CA3219039A1

CA3219039A1 - Control method, control apparatus, kitchen appliance, and readable storage medium

Info

Publication number: CA3219039A1
Application number: CA3219039A
Authority: CA
Inventors: Yulei LIU
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2021-09-09
Filing date: 2022-03-28
Publication date: 2023-03-16
Also published as: WO2023035590A1; EP4317801A1; EP4317801A4; US20240085029A1

Abstract

Provided are a control method, a control apparatus, a kitchen appliance, and a readable storage medium. The control method includes: obtaining an oil fume concentration based on oil fume data outputted by an oil fume sensor (10); selecting one speed adjustment curve from a plurality of speed adjustment curves, and controlling operation of a kitchen appliance based on the selected speed adjustment curve and the oil fume concentration; obtaining an adjustment curve by processing a current speed adjustment curve based on an obtained manual speed adjustment operation; and controlling operation of the kitchen appliance by using the adjustment curve. By means of the method, a user can adjust the speed adjustment curve of the kitchen appliance based on a personal habit or preference, which meets user requirements.

Description

CA Application CP ST Ref: 41700/00002 1 CONTROL METHOD, CONTROL APPARATUS, KITCHEN

2 APPLIANCE, AND READABLE STORAGE MEDIUM

3 CROSS-REFERENCE TO RELATED APPLICATIONS

4 [0001] The present application is based on and claims priorities to Chinese Patent Application No. 202111056165.7, filed on September 09, 2021, and Chinese Patent 6 Application No. 202111149278.1, filed on September 29, 2021, which are incorporated 7 herein by reference in their entireties.

9 [0002] The present disclosure relates to the field of kitchen appliance technologies, and more particularly, to a control method, a control apparatus, a kitchen appliance, and a 11 readable storage medium.

13 [0003] Along with the intelligent development of kitchen appliances, a range hood with 14 automatic speed adjustment has gradually moved into mainstream in the industry. A plurality of sensors is used for most range hood products to detect physical quantities related to the 16 cooking process, such as dust, organic matter, a temperature, and a sound. Furthermore, the 17 physical quantities are converted into an oil fume concentration through a corresponding 18 algorithm to adjust an operation state of a fan. The most products are preset with one or more 19 speed adjustment curves at manufacture to be selected by users. During practical application, users with different cooking habits have different tolerances for oil fume.
Although same 21 fume volume is observed, different gears of the fan are expected. That is, the fixed speed 22 adjustment curve cannot meet user requirements.

24 [0004] Embodiments of the present disclosure provide a control method, a kitchen appliance, and a readable storage medium.
26 [0005] The control method according to the embodiments of the present disclosure 27 includes: obtaining an oil fume concentration based on oil fume data outputted by an oil fume 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 sensor; selecting one speed adjustment curve from a plurality of speed adjustment curves, and 2 controlling operation of a kitchen appliance based on the selected speed adjustment curve and 3 the oil fume concentration; obtaining an adjustment curve by processing a current speed 4 adjustment curve based on an obtained manual speed adjustment operation;
and controlling operation of the kitchen appliance by using the adjustment curve.
6 [0006] In the above-mentioned control method, in a case of controlling the operation of 7 the kitchen appliance by selecting the speed adjustment curve based on the oil fume 8 concentration, the manual speed adjustment operation is obtained, and the adjustment curve is 9 obtained by processing the speed adjustment curve based on the manual speed adjustment operation. In this way, a user can adjust the speed adjustment curve of the kitchen appliance 11 based on a personal habit or preference, which meets user requirements.
12 [0007] In some embodiments, the control method further includes:
obtaining the plurality 13 of speed adjustment curves from a server, and updating the plurality of speed adjustment 14 curves into the kitchen appliance.
[0008] In some embodiments, the control method further includes: uploading the 16 adjustment curve into a server for storage.
17 [0009] In some embodiments, the oil fume sensor includes at least one of an optical 18 sensor or an organic molecule sensor.
19 [0010] In some embodiments, the obtaining the adjustment curve by processing the current speed adjustment curve based on the obtained manual speed adjustment operation 21 includes: when the manual speed adjustment operation is an upshift operation, selecting a 22 speed adjustment curve having a slope greater than a slope of the current speed adjustment 23 curve as the adjustment curve; and when the manual speed adjustment operation is a 24 downshift operation, selecting a speed adjustment curve having a slope smaller than the slope of the current speed adjustment curve as the adjustment curve.
26 [0011] In some embodiments, the obtaining the adjustment curve by processing the 27 current speed adjustment curve based on the obtained manual speed adjustment operation 28 includes: when the manual speed adjustment operation is an upshift operation and a slope of 29 the current speed adjustment curve is a maximum slope among slopes of the plurality of speed adjustment curves, increasing the slope of the current speed adjustment curve to obtain 31 the adjustment curve; and when the manual speed adjustment operation is a downshift 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 operation and a slope of the current speed adjustment curve is a minimum slope among the 2 slopes of the plurality of speed adjustment curves, reducing the slope of the current speed 3 adjustment curve to obtain the adjustment curve.
4 [0012] In some embodiments, the control method includes: when the obtained manual speed adjustment operation is a misoperation, removing the obtained manual adjustment 6 operation.
7 [0013] In some embodiments, the control method includes: obtaining temperature 8 information of a kitchen and gas component information of the kitchen;
determining whether 9 to turn on a fan of the kitchen appliance based on the temperature information and the gas component information; obtaining humidity information of the kitchen and dust information 11 of the kitchen; and determining whether to adjust an operation parameter of the fan based on 12 the humidity information and the dust information.
13 [0014] In some embodiments, the determining whether to turn on the fan of the kitchen 14 appliance based on the temperature information and the gas component information includes:
when the temperature information is greater than a first temperature threshold and the gas 16 component information is greater than a first component threshold, determining to turn on the 17 fan of the kitchen appliance; and when the temperature information is smaller than the first 18 temperature threshold and/or the gas component information is smaller than the first 19 component threshold, determining not to turn on the fan of the kitchen appliance.
[0015] In some embodiments, the determining whether to adjust the operation parameter 21 of the fan based on the humidity information and the dust information includes: when the 22 humidity information is greater than a first humidity threshold, increasing air volume of the 23 fan; when the humidity information is smaller than the first humidity threshold and greater 24 than a second humidity threshold, keeping the operation parameter of the fan unchanged, the second humidity threshold being smaller than the first humidity threshold; and when the 26 humidity information is smaller than the second humidity threshold, reducing the air volume 27 of the fan.
28 [0016] In some embodiments, the determining whether to adjust the operation parameter 29 of the fan based on the humidity information and the dust information further includes: when the dust information is greater than a first dust threshold, increasing air volume of the fan;
31 when the dust information is smaller than the first dust threshold and greater than a second 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 dust threshold, keeping the operation parameter of the fan unchanged, the second dust 2 threshold being smaller than the first dust threshold; and when the dust information is smaller 3 than the second dust threshold, reducing the air volume of the fan.
4 [0017] In some embodiments, the control method further includes: when the temperature information is smaller than a second temperature threshold, the gas component information is 6 smaller than a second component threshold, the humidity information is smaller than a third 7 humidity threshold, and the dust information is smaller than a third dust threshold, 8 determining to turn off the fan of the kitchen appliance.
9 [0018] In some embodiments, the control method further includes:
determining a cooking habit based on temperature information, gas component information, humidity information, 11 and dust information.
12 [0019] A control apparatus according to the embodiments of the present disclosure 13 includes: an obtaining module configured to obtain an oil fume concentration based on oil 14 fume data outputted by a fume sensor; a control module configured to select one speed adjustment curve from a plurality of speed adjustment curves based on the oil fume 16 concentration and control operation of a kitchen appliance by using the selected speed 17 adjustment curve; and an adjustment module configured to obtain an adjustment curve by 18 processing a current speed adjustment curve based on an obtained manual speed adjustment 19 operation. The control module is configured to control operation of the kitchen appliance by using the adjustment curve.
21 [0020] A kitchen appliance according to the embodiments of the present disclosure 22 includes: the control apparatus and the fan according to the above-mentioned embodiments.
23 The control apparatus is electrically connected to the fan.
24 [0021] In some embodiments, the kitchen appliance further includes: a temperature sensor configured to obtain the temperature information of the kitchen; a gas component 26 sensor configured to obtain the gas component information of the kitchen; a humidity sensor 27 configured to obtain the humidity information of the kitchen; and a dust sensor configured to 28 obtain the dust information of the kitchen. The control apparatus is connected to the 29 temperature sensor, the gas component sensor, the humidity sensor, and the dust sensor, and configured to determine whether to turn on the fan based on the temperature information and 31 the gas component information, and configured to determine whether to adjust the operation 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 parameter of the fan based on the humidity information and the dust information. The fan is 2 configured to operate based on the operation parameter.
3 [0022] In some embodiments, the control apparatus is further configured to determine to 4 turn off the fan of the kitchen appliance, when the temperature information is smaller than a second temperature threshold, the gas component information is smaller than a second 6 component threshold, the humidity information is smaller than a third humidity threshold, 7 and the dust information is smaller than a fourth dust threshold.
8 [0023] In some embodiments, the control apparatus is further configured to determine a 9 cooking habit based on the temperature information, the gas component information, the humidity information, and the dust information.
11 [0024] A kitchen appliance according to the embodiments of the present disclosure 12 includes: a processor; and a memory. The processor is configured to execute a computer 13 program stored in the memory to perform the control method according to any one of the 14 above-mentioned embodiments.
[0025] A readable storage medium according to the embodiments of the present 16 disclosure has a computer program stored thereon. The computer program, when executed by 17 a processor, implements the control method according to any one of the above-mentioned 18 embodiments.
19 [0026] With the above-mentioned kitchen appliance and readable storage medium, in a case of controlling the operation of the kitchen appliance by selecting the speed adjustment 21 curve based on the oil fume concentration, the manual speed adjustment operation is obtained, 22 and the adjustment curve is obtained by processing the speed adjustment curve based on the 23 manual speed adjustment operation. In this way, a user can adjust the speed adjustment curve 24 of the kitchen appliance based on a personal habit or preference, which meets user requirements.
26 [0027] Additional aspects and advantages of the embodiments of present disclosure will 27 be provided at least in part in the following description, or will become apparent in part from 28 the following description, or can be learned from the practice of the embodiments of the 29 present disclosure.

5 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 2 [0028] These and other aspects and advantages of embodiments of the present disclosure 3 will become apparent and more readily appreciated from the following descriptions made 4 with reference to the accompanying drawings.
[0029] FIG. 1 is a flowchart of a control method according to an embodiment of the

6 present disclosure.

7 [0030] FIG. 2 is a schematic diagram of modules of a kitchen appliance according to an

8 embodiment of the present disclosure.

9 [0031] FIG. 3 is a schematic diagram of speed adjustment curves according to an embodiment of the present disclosure.
11 [0032] FIG. 4 is a schematic diagram of modules of a kitchen appliance according to an 12 embodiment of the present disclosure.
13 [0033] FIG. 5 is a schematic diagram of modules of a kitchen appliance according to an 14 embodiment of the present disclosure.
[0034] FIG. 6 is another flowchart of a control method according to an embodiment of 16 the present disclosure.
17 [0035] FIG. 7 is yet another flowchart of a control method according to an embodiment 18 of the present disclosure.
19 [0036] FIG. 8 is still yet another flowchart of a control method according to an embodiment of the present disclosure.
21 [0037] FIG. 9 is still yet another flowchart of a control method according to an 22 embodiment of the present disclosure.
23 [0038] FIG. 10 is a schematic diagram of modules of a kitchen appliance according to an 24 embodiment of the present disclosure.
[0039] FIG. 11 is a schematic diagram of a structure of a kitchen appliance according to 26 an embodiment of the present disclosure.
27 [0040] FIG. 12 is a schematic diagram of a structure of a detection apparatus according to 28 an embodiment of the present disclosure.
29 [0041] Reference numerals for primary features:
[0042] kitchen appliance 100, oil fume sensor 10, power supply board 12, fan 14, 31 controller 16, processor 18, memory 20, obtaining module 22, control module 24, adjustment 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 module 26, control apparatus 200, humidity sensor 30, dust sensor 40, temperature sensor 50, 2 gas component sensor 60, detection apparatus 70, housing 71, upper housing 71a, lower 3 housing 71b, fin 73, upper fin 731, first ventilation recess 7311, lower fin 732, second 4 ventilation recess 7321, ventilation hole 74, accommodation cavity 75, air outlet 76, and box body 80.

7 [0043] The embodiments of the present disclosure will be described in detail below with 8 reference to examples thereof as illustrated in the accompanying drawings, throughout which 9 same or similar elements, or elements having same or similar functions, are denoted by same or similar reference numerals. The embodiments described below with reference to the 11 drawings are illustrative only, and are intended to explain rather than limit the present 12 disclosure.
13 [0044] Various embodiments or examples for implementing different structures of the 14 embodiments of the present disclosure are provided below. In order to simplify the description of the embodiments of the present disclosure, components and arrangements of 16 specific examples are described herein. These specific examples are merely for the purpose of 17 illustration, rather than limiting the present disclosure. Further, the same reference numerals 18 and/or reference letters may appear in different examples of the embodiments of the present 19 disclosure for the purpose of simplicity and clarity, instead of indicating a relationship between respective embodiments and/or arrangements. In addition, the embodiments of the 21 present disclosure provide examples of various specific processes and materials. However, 22 applications of other processes and/or the use of other materials are conceivable for those of 23 ordinary skill in the art.
24 [0045] In the description of the embodiments of the present disclosure, terms such as "first" and "second" are used herein for purposes of description and are not intended to 26 indicate or imply relative importance, or to implicitly show the number of indicated technical 27 features. Thus, the feature defined with "first" and "second" may explicitly or implicitly 28 include one or more of this feature. In the description of the present disclosure, "a plurality of"
29 means two or more, unless specified otherwise.
[0046] In the description of the embodiments of the present disclosure, it should be noted 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 that, unless otherwise clearly specified and limited, terms such as "installed", "connected", 2 "connected to" and the like should be understood in a broad sense. For example, it may be a 3 fixed connection or a detachable connection or connection as one piece;
mechanical 4 connection or electrical connection or mutual communication; direct connection or indirect connection through an intermediate; internal communication of two components or the 6 interaction relationship between two components. For those of ordinary skill in the art, the 7 specific meaning of the above-mentioned terms in the present disclosure can be understood 8 according to specific circumstances.
9 [0047] Referring to FIG. 1 and FIG. 2, a control method according to the embodiments of the present disclosure includes actions at steps S12 to S18.
11 [0048] At step S12, an oil fume concentration is obtained based on oil fume data 12 outputted by an oil fume sensor 10.
13 [0049] At step S14, a speed adjustment curve is selected from a plurality of speed 14 adjustment curves, and operation of a kitchen appliance is controlled based on the selected speed adjustment curve and the oil fume concentration.
16 [0050] At step S16, an adjustment curve is obtained by processing a current speed 17 adjustment curve based on an obtained manual speed adjustment operation.
18 [0051] At step S18, operation of the kitchen appliance is controlled by using the 19 adjustment curve.
[0052] In the above-mentioned control method, in a case of controlling the operation of 21 the kitchen appliance by selecting the speed adjustment curve based on the oil fume 22 concentration, the manual speed adjustment operation is obtained, and the adjustment curve is 23 obtained by processing the speed adjustment curve based on the manual speed adjustment 24 operation. In this way, a user can adjust the speed adjustment curve of the kitchen appliance based on a personal habit or preference, which meets user requirements.
26 [0053] In some embodiments, the oil fume sensor 10 may be mounted on the kitchen 27 appliance or elsewhere outside the kitchen appliance, such as, on a wall. The oil fume sensor 28 10 may be in a wired or wireless connection to a controller 16 of the kitchen appliance.
29 Therefore, the controller 16 can obtain the oil fume data outputted by the oil fume sensor 10 and calculate the oil fume concentration based on the oil fume data outputted by the oil fume 31 sensor 10. Thus, the controller 16 controls the operation of the fan by selecting, based on the 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 oil fume concentration from the plurality of speed adjustment curves, a speed adjustment 2 curve matching with the oil fume concentration. For example, a rotation speed, a current or a 3 voltage of the fan are controlled. The wireless connection includes, but is not limited to, 4 Bluetooth, Infrared, WI FI, ZigBee, NFC, etc.
[0054] The kitchen appliance includes a range hood, an integrated stove, and other 6 appliances that have an oil fume exhaust function. It can be understood that the range hood 7 may be a frequency conversion range hood. The integrated stove includes a range hood, 8 which may be a frequency conversion range hood. In the example of FIG. 2, the kitchen 9 appliance is a range hood. The range hood may be an upper exhaust range hood, a lower exhaust range hood or a side exhaust range hood. The range hood is not specifically limited 11 to these examples. The kitchen appliance incudes a power supply board 12 and a fan 14. The 12 power supply board 12 is electrically connected to the controller 16 and the fan 14. The 13 controller 16 is connected to the oil fume sensor 10. When in operation, the fan 14 drives 14 blades to rotate to suck away the oil fume. After the oil fume data collected by the oil fume sensor 10 is logically processed by the controller 16, the speed adjustment curve is 16 determined by the controller 16, and an instruction (including the speed adjustment curve) is 17 sent from the controller 16 to the power supply board 12. Operation of a load, such as the fan 18 14, is driven by the power supply board 12 to suck away the oil fume. A
fume exhaust speed 19 or an oil fume suction force is determined by the rotation speed of the fan. The controller 16 may be mounted on a main control board or a computer board or a control board.
21 [0055] The oil fume sensor 10 may be disposed based on a pre-calibrated position. For 22 example, the oil fume sensor 10 may be disposed at a fume suction port of the range hood, or 23 may be disposed at an air outlet of a volute of the fan 14, or may be disposed in a flue of a 24 check valve. The position of the oil fume sensor 10 is not specifically limited to these examples.
26 [0056] It can be understood that the oil fume sensor 10 may be disposed at a plurality of 27 positions of the range hood, and ultimate oil fume volume is obtained by processing data of 28 oil fume volume collected by a plurality of oil fume sensors 10 (such as taking an average, or 29 allocating different weights based on different positions and calculating by the weights).
[0057] It can be understood that in order to reduce a contamination degree of the oil fume 31 sensor 10 due to the oil fume, a shielding structure or a sealing structure may be disposed 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 outside or inside the oil fume sensor 10. Therefore, attachment of the oil fume to an optical 2 device or a sensor device is reduced. The oil fume sensor 10 may be fixed on the range hood 3 through screw fixation, interference fit, snap-fit, welding, etc.
4 [0058] A speed adjustment button is disposed on a body of the range hood, and the user can operate the speed adjustment button to adjust a wind force of the fan 14, so the wind 6 force can be adjusted to be an oil fume suction force as desired by the user. When the user 7 operates the speed adjustment button, a manual speed adjustment operation may be generated.
8 The speed adjustment button may include a touch screen, a button, a knob, a sliding key, etc.
9 The speed adjustment button includes an upshift button and a downshift button. The manual speed adjustment operation may also be inputted through a terminal that communicates with 11 the kitchen appliance. The terminal includes, but is not limited to, a mobile phone, a tablet 12 computer, a personal computer, a smart wearable device, a remote controller, etc. The user 13 may perform the manual speed adjustment operation on an application program interface of 14 the terminal, and the generated manual speed adjustment operation is transmitted into the kitchen appliance. In addition, the manual speed adjustment operation may be inputted 16 through a voice. For example, the user may speak a voice request, such as "Increase wind 17 speed", "Upshift", "Increase air volume", or similar sentences, to the kitchen appliance or the 18 terminal. The kitchen appliance or the terminal obtains the manual upshift operation by 19 collecting the voice.
[0059] Referring to FIG. 3, in an embodiment as illustrated in FIG. 3, eight speed 21 adjustment curves, which are L1, L2, L3, L4, ..., L8 from top to bottom, are built into a 22 kitchen appliance. Slopes of the speed adjustment curves in a sequence from L1 to L8 23 gradually increase. That is, a voltage of the fan 14 increases sensitivity to the oil fume 24 concentration. A horizontal coordinate corresponding to the speed adjustment curve is the oil fume concentration, and a vertical coordinate corresponding to the speed adjustment curve is 26 the voltage of the fan 14. That is, a correspondence between the voltage of the fan 14 and the 27 oil fume concentration is expressed as the speed adjustment curve.
Generally, the kitchen 28 appliance can control the air volume by using one of the eight speed adjustment curves by 29 default, for example, using the speed adjustment curve L4 by default.
Based on a collected oil fume concentration, a corresponding voltage of the fan 14 is obtained in accordance with the 31 speed adjustment curve L4, and then operation of the fan 14 is controlled.
1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 [0060] It can be understood that in other embodiments, the speed adjustment curve may 2 be a correspondence between a current of the fan 14 and the oil fume concentration, or may 3 be a correspondence between a rotation speed of the fan 14 and the oil fume concentration, or 4 may be a correspondence between a power of the fan 14 and the oil fume concentration. The correspondence is not specifically limited to these examples. The speed adjustment curve 6 substantially represents a correspondence between the oil fume concentration and the air 7 volume of the fan 14, aiming at meeting requirements in different operation conditions.
8 [0061] In some embodiments, the plurality of speed adjustment curves may be pre-stored 9 locally into the kitchen appliance when the kitchen appliance is at manufacture. In this way, even if the kitchen appliance has no access to the intemet, the air volume of the fan 14 can be 11 adaptively controlled.
12 [0062] In some embodiments, the control method further includes:
obtaining the plurality 13 of speed adjustment curves from a server, and updating the plurality of speed adjustment 14 curves into the kitchen appliance. In this way, the speed adjustment curve of the kitchen appliance can be updated.
16 [0063] In some embodiments, the plurality of speed adjustment curves may be pre-stored 17 in the server (a cloud) when the kitchen appliance is at manufacture.
When the kitchen 18 appliance has an access to the internet for a first time, the speed adjustment curves of the 19 kitchen appliance may be updated by downloading the plurality of speed adjustment curves from the server and storing the plurality of speed adjustment curves into the kitchen 21 appliance.
22 [0064] The kitchen appliance may have an automatic mode. When the user uses the 23 automatic mode, the speed adjustment curves from the cloud are first read by the kitchen 24 appliance and then configured into a local control program of the kitchen appliance. Then, the oil fume concentration is calculated by the kitchen appliance. Further, matching of the air 26 volume is performed by controlling the operation of the kitchen appliance based on a speed 27 adjustment curve corresponding to the oil fume concentration.
28 [0065] In some embodiments, the control method further includes:
uploading the 29 adjustment curve into a server for storage. In this way, the kitchen appliance can obtain a latest speed adjustment curve subjected to the user's adjustment.
31 [0066] In the embodiments of the present disclosure, the kitchen appliance is configured 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 to obtain the adjustment curve through automatic optimal adjustment of the speed adjustment 2 curve based on a user's manual intervention form in the automatic mode, and synchronize the 3 adjustment curve into the server. In this way, big data statistics for a long period is facilitated, 4 and a foundation is provided for deep habit learning. Overall performance of the kitchen appliance, when in use, is increasingly close to a psychological expectation of the user.
6 Therefore, each device has its own personality. Thus, a satisfaction rate of the product is 7 improved.
8 [0067] In some embodiments, the oil fume sensor 10 includes at least one of an optical 9 sensor or an organic molecule sensor. In this way, a selection for the fume sensor 10 is flexible.
11 [0068] In some embodiments, the oil fume sensor 10 may use the optical sensor including 12 a light emitting unit and a light receiving unit. In an embodiment, the light emitting unit and 13 the light receiving unit may be opposite to each other. During the operation of the oil fume 14 sensor 10, light (e.g., infrared light) emitted by the light emitting unit passes through the oil fume in the flue, and the light emitted by the light emitting unit and passing through the oil 16 fume is received by the light receiving unit. Light intensity received by the light receiving 17 unit is negatively correlated with the oil fume volume due to shielding of the oil fume.
18 Real-time oil fume volume can be obtained by pre-calibrating the negative correlation, and 19 the controller 16 is configured to obtain an oil fume suction capacity matching with the oil fume volume by controlling the rotation speed of the fan 14 based on the oil fume volume. In 21 addition, one light emitting unit and one light receiving unit may be provided, or one light 22 emitting unit may correspond to two or more light receiving units.
23 [0069] In another embodiment, the light emitting unit and the light receiving unit may be 24 disposed at an angle. During the operation of the oil fume sensor 10, the light (e.g., the infrared light) emitted by the light emitting unit passes through the oil fume in the flue, and 26 light subject to reflection of oil fume particles is received by the light receiving unit. Due to 27 that more light emitted by the light emitting unit is reflected with more oil fume volume, the 28 light intensity received by the light receiving unit is positively correlated with the oil fume 29 volume. Real-time oil fume volume can be obtained by pre-calibrating the positive correlation, and the controller 16 is configured to obtain an oil fume suction capacity 31 matching with the oil fume volume by controlling the rotation speed of the fan 14 based on 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 the oil fume volume.
2 [0070] The oil fume sensor 10 may use the organic molecular sensor (e.g., Volatile 3 Organic Compounds sensor, VOC sensor). The VOC sensor has a collection opening. The oil 4 fume is generated and diffused into the VOC sensor through the collection opening. An organic gas component in the oil fume is detected by the VOC sensor, and then the real-time 6 oil fume volume can be determined, and the controller 16 is configured to obtain the oil fume 7 suction capacity matching with the oil fume volume by controlling the rotation speed of the 8 fan 14 based on the oil fume volume.
9 [0071] The oil fume sensor 10 may use the optical sensor and the organic molecule sensor, which may be disposed at different positions to obtain an oil fume depth at a corresponding 11 position. Ultimate oil fume concentration may be an average between an oil fume 12 concentration detected by the optical sensor and an oil fume concentration detected by the 13 organic molecule sensor, or a value calculated based on different weights.
14 [0072] In some embodiments, the obtaining the adjustment curve by processing the current speed adjustment curve based on the obtained manual speed adjustment operation 16 includes: when the manual speed adjustment operation is an upshift operation, selecting a 17 speed adjustment curve having a slope greater than a slope of the current speed adjustment 18 curve as the adjustment curve; and when the manual speed adjustment operation is a 19 downshift operation, selecting a speed adjustment curve having a slope smaller than the slope of the current speed adjustment curve as the adjustment curve. In this way, the air volume 21 matching with the user requirements can be obtained to meet the user requirements.
22 [0073] In some embodiments, referring to FIG. 3, when the user selects the automatic 23 mode, the kitchen appliance uses the speed adjustment curve L4 by default and the operation 24 of the kitchen appliance is controlled based on the oil fume depth. For example, a corresponding air volume is obtained by controlling the voltage of the fan 14.
26 [0074] When the manual adjustment operation is obtained, it is indicated that the user is 27 intended to control the current air volume. When the manual speed adjustment operation is 28 the upshift operation, it is indicated that the user is intended to increase the air volume. In this 29 case, another speed adjustment curve such as the speed adjustment curve L5 or the speed adjustment curve L6 may be selected. The slope of the selected speed adjustment curve is 31 greater than the slope of the current speed adjustment curve, i.e., in the case of the same Oil 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 fume depth, a speed adjustment curve having a larger slope corresponds to larger air volume.
2 The selected speed adjustment curve serves as the adjustment curve.
3 [0075] It should be noted that, when the obtained manual speed adjustment operation is to 4 upshift one gear, the speed adjustment curve L5 is selected as the adjustment curve on the basis of the speed adjustment curve L4. When the obtained manual speed adjustment 6 operation is to upshift two gears, the speed adjustment curve L6 is selected as the adjustment 7 curve on the basis of the speed adjustment curve L4, and so forth.
8 [0076] When the manual speed adjustment operation is the downshift operation, it is 9 indicated that the user is intended to reduce the air volume. In this case, another speed adjustment curve such as the speed adjustment curve L3 or the speed adjustment curve L2 11 may be selected. The slope of the selected speed adjustment curve is smaller than the slope of 12 the current speed adjustment curve, i.e., in the case of the same oil fume depth, a speed 13 adjustment curve having a smaller slope corresponds to smaller air volume. The selected 14 speed adjustment curve serves as the adjustment curve.
[0077] It should be noted that, when the obtained manual speed adjustment operation is to 16 downshift one gear, the speed adjustment curve L3 is selected as the adjustment curve on the 17 basis of the speed adjustment curve L4. When the obtained manual speed adjustment 18 operation is to downshift two gears, the speed adjustment curve L2 is selected as the 19 adjustment curve on the basis of the speed adjustment curve L4, and so forth.
[0078] It can be understood that, in other embodiments, a gear shift direction (upshift or 21 downshift) is determined based on the manual speed adjustment operation, and a suitable 22 speed adjustment curve is selected through a dichotomy. For example, in the case of the 23 upshift operation, the adjustment curve is obtained by doubling the slope of the current speed 24 adjustment curve. In the case of the downshift operation, the adjustment curve is obtained by halving the slope of the current speed adjustment curve.
26 [0079] In some embodiments, the obtaining the adjustment curve by processing the 27 current speed adjustment curve based on the obtained manual speed adjustment operation 28 includes: when the manual speed adjustment operation is an upshift operation and a slope of 29 the current speed adjustment curve is a maximum slope among slopes of the plurality of speed adjustment curves, increasing the slope of the current speed adjustment curve to obtain 31 the adjustment curve; and when the manual speed adjustment operation is a downshift 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 operation and a slope of the current speed adjustment curve is a minimum slope among the 2 slopes of the plurality of speed adjustment curves, reducing the slope of the current speed 3 adjustment curve to obtain the adjustment curve. In this way, the air volume matching with 4 the user requirements can be obtained, and the user requirements can be satisfied.
[0080] In some embodiments, when a current speed adjustment curvature is a curvature 6 of a speed adjustment curve having a maximum slope among slopes of all speed adjustment 7 curves, the user continues to perform the upshift operation. Then, the adjustment curve is 8 obtained by increasing the speed adjustment curve having the maximum slope. For example, 9 the adjustment curve is obtained by multiplying the slope of the adjustment curve having the maximum slope by a coefficient greater than 1. For example, a current speed adjustment 11 curve is L8, and the speed adjustment curve L8 has a maximum slope K8.
When the user 12 continues to perform the upshift operation, the adjustment curve is obtained by multiplying 13 the slope K8 of the speed adjustment curve L8 by 1.2, and the slope of the adjustment curve 14 is K8*1.2. It can be understood that a slope upper limit value may be set. When the slope of the adjustment curve is calculated based on the upshift operation to be greater than the slope 16 upper limit value, the slope of the current speed adjustment curve remains unchanged. In 17 some embodiments, the kitchen appliance is controlled to issue a sound prompt and/or a light 18 prompt that the air volume cannot continue to be increased.
19 [0081] When the current speed adjustment curvature is a curvature of a speed adjustment curve having a minimum slope among the slopes of all the speed adjustment curves, the user 21 continues to perform the downshift operation. Then, the adjustment curve is obtained by 22 reducing the speed adjustment curve having the minimum slope. For example, the adjustment 23 curve is obtained by multiplying the slope of the adjustment curve having the minimum slope 24 by a coefficient smaller than 1. For example, a current speed adjustment curve is L1, and the speed adjustment curve L1 has a minimum slope K1. When the user continues to perform the 26 downshift operation, the adjustment curve is obtained by multiplying the slope K1 of the 27 speed adjustment curve L1 by 0.8, and the slope of the adjustment curve is K1*0.8. It can be 28 understood that a slope lower limit value may be set. When the slope of the adjustment curve 29 is calculated based on the downshift operation to be smaller than the slope lower limit value, the slope of the current speed adjustment curve remains unchanged. In some embodiments, 31 the kitchen appliance is controlled to issue a sound prompt and/or a light prompt that the air 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 volume cannot continue to be reduced.
2 [0082] In some embodiments, the control method includes: when the obtained manual 3 speed adjustment operation is a misoperation, removing the obtained manual adjustment 4 operation. In this way, the user's habitual or preferred setting can be accurately obtained.
[0083] In some embodiments, the misoperation may be an operation triggered due to the 6 user's carelessness. For example, the user is intended to perform a downshift operation.
7 During implementation of the operation, after the user presses down an upshift button, it is 8 found that a wrong button is pressed. Then, the user presses the downshift operation 9 immediately. Such operation may be considered the misoperation.
[0084] Therefore, in one embodiment, when the manual speed adjustment operation is 11 obtained for the first time, another or a plurality of manual speed adjustment operations is 12 obtained again within a predetermined duration, and one manual speed adjustment operation 13 in the other or the plurality of manual speed adjustment operations is opposite to the manual 14 speed adjustment operation obtained for the first time. In this case, the manual speed adjustment operations may be considered as the misoperations and be removed. A
specific 16 value of the predetermined duration may be obtained based on an empirical value, or a test, or 17 a simulation.
18 [0085] In an example, when the kitchen appliance operates in the automatic mode at the 19 speed adjustment curve L4, an upshift operation is obtained at a time point TO; and within a predetermined duration T, a downshift operation is obtained, or a plurality of manual speed 21 adjustment operations including the downshift operation are obtained. In this case, the 22 obtained manual speed adjustment operations within a time period from TO
to TO+T are 23 considered by the kitchen appliance to be the misoperations and are removed. That is, the 24 kitchen appliance does not respond to these manual speed adjustment operations and still operates at the speed adjustment curve L4.
26 [0086] Referring to FIG. 4, a control apparatus 200 according to the embodiments of the 27 present disclosure includes: an obtaining module 22 configured to obtain an oil fume 28 concentration based on oil fume data outputted by an oil fume sensor 10;
a control module 24 29 configured to select one speed adjustment curve from a plurality of speed adjustment curves based on the oil fume concentration and control operation of a kitchen appliance by using the 31 selected speed adjustment curve; and an adjustment module 26 configured to obtain an 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 adjustment curve by processing a current speed adjustment curve based on an obtained 2 manual speed adjustment operation. The control module 24 is configured to control operation 3 of the kitchen appliance by using the adjustment curve.
4 [0087] In the control apparatus 200, in a case of controlling the operation of the kitchen appliance by selecting the speed adjustment curve based on the oil fume concentration, the 6 manual speed adjustment operation is obtained, and the adjustment curve is obtained by 7 processing the speed adjustment curve based on the manual speed adjustment operation. In 8 this way, the user can adjust the speed adjustment curve of the kitchen appliance based on the 9 personal habit or preference, which meets the user requirements.
[0088] It should be noted that the above-mentioned description of the embodiments and 11 advantageous effects of the control method is applicable to the control apparatus of this 12 embodiment, and details thereof will not be described herein in order to avoid redundancy.
13 [0089] Referring to FIG. 4, a kitchen appliance 100 according to the embodiments of the 14 present disclosure includes the control apparatus 200 and the fan 14 in the above-mentioned embodiments. The control apparatus 200 is electrically connected to the fan 14.
16 [0090] In the above-mentioned kitchen appliance 100, in a case of controlling the 17 operation of the kitchen appliance 100 by selecting the speed adjustment curve based on the 18 oil fume concentration, the manual speed adjustment operation is obtained, and the 19 adjustment curve is obtained by processing the speed adjustment curve based on the manual speed adjustment operation. In this way, the user can adjust the speed adjustment curve of the 21 kitchen appliance 100 based on the personal habit or preference, which meets the user 22 requirements.
23 [0091] It should be noted that the above-mentioned description of the embodiments and 24 advantageous effects of the control method is applicable to the kitchen appliance of this embodiment, and details thereof will not be described herein in order to avoid redundancy.
26 [0092] Referring to FIG. 5, a kitchen appliance 100 according to the embodiments of the 27 present disclosure includes a processor 18 and a memory 20. The processor is configured to 28 execute a computer program stored in the memory to perform the control method according 29 to any one of the above-mentioned embodiments.
[0093] In the above-mentioned kitchen appliance 100, in a case of controlling the 31 operation of the kitchen appliance 100 by selecting the speed adjustment curve based on the 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 oil fume concentration, the manual speed adjustment operation is obtained, and the 2 adjustment curve is obtained by processing the speed adjustment curve based on the manual 3 speed adjustment operation. In this way, the user can adjust the speed adjustment curve of the 4 kitchen appliance 100 based on the personal habit or preference, which meets the user requirements.
6 [0094] It should be noted that the above-mentioned description of the embodiments and 7 advantageous effects of the control method is applicable to the kitchen appliance of this 8 embodiment, and details thereof will not be described herein in order to avoid redundancy.
9 [0095] In some embodiments, the kitchen appliance 100 further includes a fan 14, and the processor 18 and/or the memory 20 may be integrated in the controller 16. The controller 16 11 is electrically connected to the fan 14, and the operation of the fan 14 is controlled by the 12 controller 16 based on the speed adjustment curve.
13 [0096] For example, the processor 18 executes a computer program stored in the memory 14 20 to perform actions at the following steps.
[0097] At step S12, an oil fume concentration is obtained based on oil fume data 16 outputted by an oil fume sensor 10.
17 [0098] At step S14, a speed adjustment curve is selected from a plurality of speed 18 adjustment curves, and operation of a kitchen appliance is controlled based on the selected 19 speed adjustment curve and the oil fume concentration.
[0099] At step S16, an adjustment curve is obtained by processing a current speed 21 adjustment curve based on an obtained manual speed adjustment operation.
22 [00100] At step S18, operation of the kitchen appliance is controlled by using the 23 adjustment curve.
24 [00101] The embodiments of the present disclosure provide a readable storage medium.
The readable storage medium has a computer program stored thereon. The computer program, 26 when executed by a processor, implements the control method according to any one of the 27 above-mentioned embodiments.
28 [00102] In the above-mentioned readable storage medium, in a case of controlling the 29 operation of the kitchen appliance 100 by selecting the speed adjustment curve based on the oil fume concentration, the manual speed adjustment operation is obtained, and the 31 adjustment curve is obtained by processing the speed adjustment curve based on the manual 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 speed adjustment operation. In this way, the user can adjust the speed adjustment curve of the 2 kitchen appliance 100 based on the personal habit or preference, which meets the user 3 requirements.
4 [00103] Referring to FIG. 6, the embodiments of the present disclosure provide a control method for a kitchen appliance 100. The control method includes actions at the following 6 steps.
7 [00104] At step S10, temperature information of a kitchen and gas component information 8 of the kitchen are obtained.
9 [00105] At step S20, whether to turn on a fan 14 of the kitchen appliance 100 is determined based on the temperature information and the gas component information.
11 [00106] At step S30, humidity information of the kitchen and dust information of the 12 kitchen are obtained.
13 [00107] At step S40, whether to adjust an operation parameter of the fan 14 is determined 14 based on the humidity information and the dust information.
[00108] In the control method for the kitchen appliance 100 according to the present 16 disclosure, whether the user starts cooking or not is first determined based on the temperature 17 information and the gas component information. Therefore, the fan 14 is controlled to operate 18 in time to prevent the oil fume spreading in the kitchen before the fan 14 is turned on. Then, 19 the operation parameter of the fan 14 is adjusted or remains unchanged by obtaining the humidity information of the kitchen and the dust information of the kitchen.
Therefore, the air 21 volume of the fan 14 matches with a content of the oil fume and water vapor of the kitchen.
22 [00109] In this embodiment, the temperature information represents a temperature of the 23 kitchen and may represent a temperature of a cooking appliance. Because an ambient 24 environment temperature of the cooking appliance increases while the user is cooking, the temperature information may represent the ambient environment temperature of the cooking 26 appliance, for example, a temperature at a position inside the kitchen appliance 100.
27 [00110] The gas component information represents a gas component of the kitchen and is 28 related to oil fume generated during cooking. Specific gas, such as polycyclic aromatic 29 hydrocarbon, may be generated during the cooking to generate the oil fume. Therefore, whether the user starts the cooking can be determined based on the gas component 31 information.

1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 [00111] When it is known that a temperature of a current kitchen rises based on the 2 temperature information and that the current kitchen has gas generated during the cooking 3 based on the gas component information, it can be considered that the user is cooking.
4 Therefore, the fan 14 is turned on in time. Compared with an existing kitchen appliance that whether to turn on the fan is determined only depends on the dust information, the 6 embodiments of the present disclosure can perform the operation of turning on the fan 14 7 faster. In this way, a situation that the oil fume has spread in the kitchen before the fan 14 just 8 starts to be turned on is effectively avoided.
9 [00112] It should be noted that, after the fan 14 is turned on, an initial operation parameter of the fan 14 may be adjusted based on actual use, a simulation result, etc.
In some 11 embodiments, there is usually not much oil fume at the beginning of the cooking. In this case, 12 a smaller initial operation parameter of the fan 14 may be set. As the cooking gets underway, 13 the humidity information and the dust information are collected with gradually increasing oil 14 fume. In this case, the operation parameter may be increased based on the humidity information and the dust information.
16 [00113] The humidity information represents humidity of the kitchen.
During the cooking, 17 the humidity information increases due to generation of the water vapor.
The fan 14 may be 18 used to suck and discharge the water vapor to prevent the kitchen being too humid. Therefore, 19 the operation parameter of the fan 14 may be adjusted based on the humidity information to facilitate timely discharge of the water vapor of the kitchen.
21 [00114] The dust information represents particles of the kitchen, and the particles may 22 include oil fume particles, the water vapor, etc. The operation parameter required for the fan 23 14 increases as an amount of dust represented by the dust information increases. Therefore, 24 the operation parameter of the fan 14 is adjusted based on the dust information. It should be noted that in the case of the same dust information, the operation parameter of the fan 14 may 26 be smaller in a case of much water vapor and a few oil fume particles, and the operation 27 parameter of the fan 14 may be larger in a case of a little water vapor and many oil fume 28 particles.
29 [00115] It should be noted that whether to adjust the operation parameter of the fan 14 is determined based solely on the humidity information or the dust information.
For example, 31 the humidity information indicates that the kitchen environment reaches certain humidity, and 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 it may be determined to adjust the operation parameter of the fan 14 and increase the air 2 volume of the fan 14. For example, the dust information indicates that the kitchen 3 environment has a certain amount of dust, and it may be determined to adjust the operation 4 parameter of the fan 14 and increase the air volume of the fan 14.
Whether to turn on the fan 14 is determined based on the temperature information and the gas component information, 6 and the operation parameter is adjusted based on the humidity information and the dust 7 information, in the embodiments of the present disclosure. Therefore, mistaken startup of the 8 fan 14 can be effectively avoided. For example, when the kitchen has high humidity under 9 plum rain, the fan 14 cannot be mistakenly turned on due to the humidity information. For another example, when the user uses flour in the kitchen, the fan 14 cannot be mistakenly 11 turned on due to the dust information.
12 [00116] It is worth adding that the kitchen appliance 100 may have a component such as a 13 lamp and an air conditioner. It may be determined to turn on the lamp together while 14 determining to turn on the fan 14 based on the temperature information and the gas component information; OT it is determined to turn on the air conditioner based on the 16 temperature information and to adjust an operation parameter of the air conditioner based on 17 the temperature information.
18 [00117] In some embodiments, referring to FIG. 7, the action at the step 520 includes 19 actions at steps 521 and S23.
[00118] At step S21, when the temperature information is greater than a first temperature 21 threshold and the gas component information is greater than a first component threshold, it is 22 determined to turn on the fan 60 of the kitchen appliance 100.
23 [00119] At step S23, when the temperature information is smaller than the first 24 temperature threshold and/or the gas component information is smaller than the first component threshold, it is determined not to turn on the fan 14 of the kitchen appliance 100.
26 [00120] With such setting, the mistaken startup of the fan 14 is avoided due to wrong 27 measurement of the temperature information or the gas component information. Mutual 28 confirmation of the temperature information and the gas component information ensures that 29 the fan 14 is turned on when the user starts the cooking.
[00121] In this embodiment, a speed of obtaining the temperature information and the gas 31 component information is faster than a speed of obtaining the humidity information and the 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 dust information. Therefore, whether to turn on the fan 14 is determined based on the 2 temperature information and the gas component information. In this way, it is possible to 3 quickly respond to the oil fume generated during the cooking.
4 [00122] The first temperature threshold may have many options, which may be set based on actual use requirements, the simulation result, etc. The first temperature threshold is not 6 specifically limited to these examples.
7 [00123] The first component threshold may have many options, which may be set based on 8 the actual use requirements, the simulation result, etc. The first component threshold is not 9 specifically limited to these examples.
[00124] In some embodiments, referring to FIG. 8, the action at the step S40 includes 11 actions at steps S41 to S43.
12 [00125] At step S41, when the humidity information is greater than a first humidity 13 threshold, air volume of the fan 14 is increased.
14 [00126] At step S42, when the humidity information is smaller than the first humidity threshold and greater than a second humidity threshold, the operation parameter of the fan 60 16 is kept unchanged. The second humidity threshold is smaller than the first humidity 17 threshold.
18 [00127] At step S43, when the humidity information is smaller than the second humidity 19 threshold, the air volume of the fan 14 is reduced.
[00128] With such setting, the air volume of the fan 14 can be adjusted based on the 21 humidity information. As a result, the air volume of the fan 14 matches with the humidity 22 environment of the kitchen.
23 [00129] In this embodiment, the first humidity threshold and the second humidity 24 threshold may have many options, which may be set based on the actual use requirements, the simulation result, etc. The first humidity threshold and the second humidity threshold are 26 not specifically limited to these examples. The increased or reduced air volume of the fan 14 27 may be set by a producer during production, or may be set by the user based on the use 28 requirements. The increased or reduced air volume is not specifically limited to these 29 examples.
[00130] In some embodiments, referring to FIG. 9, the action at the step S40 includes 31 actions at steps S45 to S47.

1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 [00131] At step S45, when the dust information is greater than a first dust threshold, air 2 volume of the fan 14 is increased.
3 [00132] At step S46, when the dust information is smaller than the first dust threshold and 4 greater than a second dust threshold, the operation parameter of the fan 60 is kept unchanged.
The second dust threshold is smaller than the first dust threshold.
6 [00133] At step S47, when the dust information is smaller than the second dust threshold, 7 the air volume of the fan 14 is reduced.
8 [00134] With such setting, the air volume of the fan 14 can be adjusted based on the dust 9 information. As a result, the air volume of the fan 14 matches with the dust environment of the kitchen.
11 [00135] In this embodiment, the first dust threshold and the second dust threshold may 12 have many options, which may be set based on the actual use requirements, the simulation 13 result, etc. The first dust threshold and the second dust threshold are not specifically limited 14 to these examples. The increased or reduced air volume of the fan 14 may be set by the producer during the production, or may be set by the user based on the use requirements. The 16 increased or reduced air volume are not specifically limited to these examples.
17 [00136] It should be noted that, whether to adjust the operation parameter of the fan 14 18 may be determined based simultaneously on the humidity information and the dust 19 information.
[00137] For example, when the humidity information is greater than the first humidity 21 threshold and the dust information is greater than the first dust threshold, the air volume of 22 the fan 60 is increased. For example, when the humidity information is greater than the first 23 humidity threshold and the dust information is smaller than the second dust threshold, the air 24 volume of the fan 60 is kept unchanged. For example, when the humidity information is smaller than the second humidity threshold and the dust information is smaller than the 26 second dust threshold, the air volume of the fan 14 is reduced.
27 [00138] In this case, the specifically reduced or increased air volume may be calculated 28 based on addition or subtraction of the air volume value obtained based on the humidity 29 information and the air volume value obtained based on the dust information. The reduced or increased air volume is not specifically limited to the examples.
31 [00139] Whether to adjust the operation parameter of the fan 14 may be determined based 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 on the humidity information and the dust information.
2 [00140] For example, the humidity information is first obtained, and the step S41, step S42, 3 or step S43 is performed based on the humidity information. Then, the dust information is 4 obtained, and the step S45, step S46, or step S47 is performed based on the dust information.
[00141] In one embodiment, when the humidity information is greater than the first 6 humidity threshold, the air volume of the fan 14 is increased based on the humidity 7 information. Then, the dust information is obtained to be smaller than the second dust 8 threshold, and the air volume of the fan 14 is reduced based on the dust information.
9 [00142] It should be noted that the increased or reduced air volume based on the humidity information may be the same as or different from the increased or reduced air volume based 11 on the dust information. In one embodiment, according to the fact that the increased air 12 volume based on the dust information is greater than the increased air volume based on the 13 humidity information, when the dust information is greater than the first dust threshold and 14 the humidity information is smaller than the second humidity threshold, the air volume of the fan 14 is increased. Moreover, the increased air volume of the fan 14 is to subtract the 16 increased air volume based on the humidity information from the increased air volume based 17 on the dust information.
18 [00143] In some embodiments, the control method for the kitchen appliance 100 further 19 includes: when the temperature information is smaller than a second temperature threshold, the gas component information is smaller than a second component threshold, the humidity 21 information is smaller than a third humidity threshold, and the dust information is smaller 22 than a third dust threshold, determining to turn off the fan 14 of the kitchen appliance 100.
23 [00144] With such setting, when the user stops cooking, the fan 14 is turned off. Therefore, 24 energy is saved.
[00145] In this embodiment, the second temperature threshold is smaller than the first 26 temperature threshold. The second component threshold is smaller than the second 27 component threshold. The third humidity threshold is smaller than the second humidity 28 threshold. The third dust threshold is smaller than the second dust threshold.
29 [00146] In some embodiments, the control method for the kitchen appliance 100 further includes: determining a cooking habit based on temperature information, gas component 31 information, humidity information, and dust information.

1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 [00147] In this way, the user is timely reminded of information of kitchen appliance 100 2 based on the determined cooking habit. Therefore, good experience is brought to the user. In 3 addition, a health reminder, a menu recommendation and other services can be performed on 4 the user based on the cooking habit.
[00148] Referring to FIG. 10 and FIG. 11, the embodiments of the present disclosure 6 provides a kitchen appliance 100. The kitchen appliance 100 includes a temperature sensor 50, 7 a gas component sensor 60, a humidity sensor 30, a dust sensor 40, a control apparatus 200, 8 and a fan 14. The temperature sensor 50 is configured to obtain the temperature information 9 of the kitchen. The gas component sensor 60 is configured to obtain the gas component information of the kitchen. The humidity sensor 30 is configured to obtain the humidity 11 information of the kitchen. The dust sensor 40 is configured to obtain dust information of the 12 kitchen. The control apparatus 200 is connected to the temperature sensor 10, the gas 13 component sensor 60, the humidity sensor 30, and the dust sensor 40, and configured to 14 determine whether to turn on the fan 14 of the kitchen appliance 100 based on the temperature information and the gas component information, and configured to determine 16 whether to adjust the operation parameter of the fan 60 based on the humidity information 17 and the dust information.
18 [00149] In the kitchen appliance 100 according to the embodiments of the present 19 disclosure, whether the user starts the cooking or not is first determined based on the temperature information and the gas component information. Therefore, the operation of the 21 fan 14 is controlled in time to prevent the oil fume spreading in the kitchen before the fan 14 22 is turned on. Then, the operation parameter of the fan 14 is adjusted or remains unchanged by 23 obtaining the humidity information of the kitchen and the dust information of the kitchen.
24 Therefore, the air volume of the fan 14 matches with the content of the oil fume and water vapor of the kitchen.
26 [00150] In some embodiments, the kitchen appliance 100 is an upper exhaust kitchen 27 appliance 100. It should be noted that and in some other embodiments, the kitchen appliance 28 100 may be a lower exhaust kitchen appliance 100 or a side exhaust kitchen appliance 100.
29 The kitchen appliance is not specifically limited to these examples.
Hereinafter, the upper exhaust kitchen appliance 100 is taken as an example of the kitchen appliance 100 for 31 detailed description. In some embodiments, the kitchen appliance 100 may include, but is not 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 limited to, a range hood, an integrated stove, and other appliances, which have an oil fume 2 exhaust function. The kitchen appliance 100 is taken as an example of the range hood for 3 description. The range hood may be a frequency conversion range hood.
4 [00151] The kitchen appliance 100 according to the embodiments of the present disclosure includes, but is not limited to, a detection apparatus 70, a box body, a flow guide plate 6 assembly, and a check valve. The temperature sensor 50, the gas component sensor 60, the 7 humidity sensor 30, and the dust sensor 40 are mounted in the detection apparatus 70, and the 8 box body is disposed on the flow guide plate assembly. A fume gathering cavity and a 9 plurality of function buttons are formed on the flow guide plate assembly. An oil net and a top plate are disposed in the fume gathering cavity, and the plurality of function buttons may be 11 configured for the user to input an operation instruction. The fan 14 is disposed in the box 12 body and includes a volute, a fan, an air inlet, and an air outlet. The fan is disposed in the 13 volute, and a volute air duct is formed in the volute. The air inlet is used for the oil fume to 14 enter the fan 14, and the air outlet is in communication with the volute air duct to discharge the oil fume out of the fan 14. The check valve is connected to a top of the box body, and a 16 check valve air duct is formed in the check valve. It can be understood that the check valve 17 refers to a valve with an opening and closing member as a circular valve clack, which 18 generates an action with its own weight and pressure of a medium to block backflow of the 19 medium. The check valve may be a lift check valve and a swing check valve. The detection apparatus 70 should be disposed at a position through which gas with the oil fume passes in 21 the kitchen appliance 100, for example, a center of a flow guide plate, the air inlet of the fan 22 14, etc. Therefore, the gas with the oil fume can enter the detection apparatus 70 for 23 detection.
24 [00152] The temperature sensor 50 may be a thermal resistance sensor, a thermocouple sensor, etc.. The temperature sensor is not specifically limited to these examples. The gas 26 component sensor 60 may be an Integrated Volatile Organic Compound (TVOC) sensor, an 27 infrared gas sensor, etc. The gas component sensor is not specifically limited to these 28 examples. The humidity sensor 30 may be a resistive sensor, a capacitive sensor, etc. The 29 humidity sensor is not specifically limited to these examples. It should be noted that the humidity sensor 30 and the temperature sensor 50 may be a same sensor, i.e., the sensor is an 31 integrated temperature and humidity sensor 30. The dust sensor 40 may be an infrared 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 detection sensor or a laser detection sensor, etc. The dust sensor is not specifically limited to 2 these examples. In the following embodiments, the dust sensor 40 is the infrared detection 3 sensor for detailed description.
4 [00153] The dust sensor 40 may include a light emitting assembly and a light receiving assembly. The light emitting assembly may be configured to emit light. The light receiving 6 assembly is configured to receive the light emitted from the light emitting assembly, and 7 further output an electrical signal based on the received light to facilitate the control 8 apparatus 200 to obtain the dust information. In one embodiment, when the dust particles 9 pass through an optical path of infrared light emitted from the light emitting assembly, the infrared light can be shielded, scattered, and diffracted. That is, the dust particles have an 11 effect on intensity of the light received by the light receiving assembly as emitted from the 12 light emitting assembly. Therefore, the light received by the light receiving assembly 13 undergoes a change to determine a concentration of the dust particles based on the change.
14 [00154] In some embodiments, a communication module may be disposed in the control apparatus 200 and may be connected to a mobile terminal such as a mobile phone, a tablet, a 16 computer, etc. Therefore, the user can easily control other components of the kitchen 17 appliance 100 through the control apparatus 200. In addition, the control apparatus 200 can 18 upload the humidity information, the gas composition information, the temperature 19 information, the dust information, etc., into the mobile terminal. Thus, the mobile terminal can determine the user's dietary patterns based on the various types of information to provide 21 the user with a service such as a cleaning reminder, and a menu recommendation based on the 22 dietary patterns.
23 [00155] In some embodiments, referring to FIG. 12, the detection apparatus 70 further 24 includes a housing 71. The housing 71 includes an upper housing 71a and a lower housing 71b, both of which enclose to form an accommodation cavity 75. The housing 71 further 26 includes an air inlet (not identified) and an air outlet 76, both of which are in communication 27 with the accommodating cavity 75. Each of the humidity sensor 30, the gas component sensor 28 60, the humidity sensor 30, the dust sensor 40, and the control apparatus 200 is mounted in 29 the accommodation cavity 75.
[00156] With such setting, the housing 71 can protect the humidity sensor 30, the gas 31 component sensor 60, the humidity sensor 30, the dust sensor 40, and the control apparatus 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 200. Moreover, mounting of the humidity sensor 30, the gas component sensor 60, the 2 humidity sensor 30, the dust sensor 40, and the control apparatus 200 is facilitated.
3 [00157] In this embodiment, after the user starts the cooking, airflow moves under the 4 action of the fan 14 and enters the accommodation cavity 75 through the air inlet. Gas in the accommodation cavity 75 is detected by the humidity sensor 30, the gas component sensor 60, 6 the humidity sensor 50, and the dust sensor 40. The detected gas is discharged from the 7 detection apparatus 70 through the air outlet 76.
8 [00158] The housing 71 may be in many shapes, such as a cuboid, a sphere, a vertebral 9 body, etc. The housing is not specifically limited to these examples. In one embodiment, the housing 71 is shuttle-shaped, i.e., an outer diameter of the housing 71 first gradually increases 11 from top to bottom and then gradually decreases from top to bottom. In this way, oil droplets 12 condensed on an outer wall of the housing 71 can naturally drip under the action of gravity.
13 As a result, a speed at which the outer wall of the housing 71 is polluted by oil stains is 14 reduced.
[00159] The accommodation cavity 75 may be in many shapes, such as the cuboid, the 16 sphere, the vertebral body, etc. The shape of the accommodation cavity 75 may be adapted to 17 the shape of the housing 71. The accommodation cavity is not specifically limited to these 18 examples.
19 [00160] The air inlet is used for the airflow to enter the accommodation cavity 75. The air outlet 76 is used for the airflow in the accommodation cavity 75 to exit from the 21 accommodation cavity 75. A plurality of relative positional relations between the air inlet and 22 the air outlet 76 are provided. For example, the air inlet and the air outlet 76 may be located 23 at a left end and a right end of the accommodation cavity 75, and the air inlet is located at 24 same level as the air outlet 76. For example, the air inlet and the air outlet 76 are located at an end of the accommodation cavity 75, and the air inlet is located at a lower level than the air 26 outlet 76. Other examples are not enumerated herein.
27 [00161] In some embodiments, the air inlet and the air outlet 76 may be located at two 28 ends of the accommodation cavity 75. The gas from the air inlet is discharged into the 29 accommodation cavity 75 and moves away from the air inlet, and therefore the gas can be close to the air outlet 76 while being away from the air inlet. In this way, a probability that 31 the oil fume particles can be discharged out of the air outlet 76 at a faster speed after entering 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 the accommodation chamber 75 from the air inlet. As a result, a probability that the oil fume 2 particles spread in the accommodation cavity 75 and pollute the accommodation cavity 75 is 3 reduced.
4 [00162] In some embodiments, the air inlet and the air outlet 76 may be located at an upper end and a lower end of the accommodation cavity 75, and the air inlet is located 6 directly below the air outlet 76. Because the gas generally moves upwards, the gas entering 7 the accommodation cavity 75 from the air inlet can naturally move to the air outlet 76 to be 8 discharged. Therefore, the probability of the oil fume particles spreading in the 9 accommodation cavity 75 is further reduced. With such setting, the moving positions of the gas are relatively concentrated, which can easily detect the gas.
11 [00163] In some embodiments, referring to FIG. 12, the housing 71 includes a plurality of 12 fins 73. A ventilation hole 74 is formed on each of the plurality fin 73. The plurality of fins 73 13 is arranged at intervals, and an interval is formed between two adjacent fins for mounting of 14 the humidity sensor 30 and/or the gas component sensor 60 and/or the humidity sensor 30 and/or the dust sensor 40.
16 [00164] With such setting, the plurality of fins 73 can limit a position of the humidity 17 sensor 30 and/or the gas component sensor 60 and/or the humidity sensor 30 and/or the dust 18 sensor 40 to realize the mounting of the humidity sensor 30 and/or the gas component sensor 19 60 and/or the humidity sensor 30 and/or the dust sensor 40.
[00165] In this embodiment, the detection apparatus 70 may include a mounting portion.
21 The mounting portion and the housing 71 enclose to form a receptacle cavity. The plurality 22 of fins 73 are mounted in the receptacle cavity. The gas in the accommodation cavity 75 is 23 detected by the humidity sensor 30 and/or the gas component sensor 60 and/or the humidity 24 sensor 30 and/or the dust sensor 40 through the ventilation hole 74. In this way, an inner diameter of the receptacle cavity continuously changes with the plurality of fins 73. Therefore, 26 the oil fume particles entering the settlement cavity can be adsorbed on the plurality of fins 27 73. Thus, the probability of contact between the oil fume particles and the humidity sensor 30 28 and/or the gas component sensor 60 and/or the humidity sensor 30 and/or the dust sensor 40 29 is reduced.
[00166] The ventilation hole 74 of the fin 73 may be of a circular shape and may shape the 31 light when the dust sensor 40 is the infrared detection sensor. Each of the plurality of fins 73 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 may be connected to the mounting portion, or may be connected to the upper housing 71a, or 2 may be connected to the lower housing 71b. The plurality of fins 73 may be partially 3 connected to the upper housing 71a and partially connected to the lower housing 71b. In this 4 way, the plurality of fins 73 may be engaged with each other as the upper housing 71a and the lower housing 71b fit together.
6 [00167] In some embodiments, referring to FIG. 12, the fin 73 includes an upper fin 731 7 and a lower fin 732. An end of the upper fin 731 is connected to the upper housing 71a, and 8 another end of the upper fin 731 has a concave to form a first ventilation recess 7311. An end 9 of the lower fin 732 is connected to the lower housing 71b, and another end of the lower fin 732 has a concave to form a second ventilation recess 7321. The first ventilation recess 7311 11 and the second ventilation recess 7321 fit together to form the ventilation hole 74.
12 [00168] With such setting, the upper fin 731 and the lower fin 732 fit together to form the 13 ventilation hole. During the production, the upper fin 731 having the first ventilation recess 14 7311 and the lower fin 732 having the second ventilation recess 7321 are produced separately.
Therefore, demolding is easily achieved.
16 [00169] The embodiments of the present disclosure further provide a computer-readable 17 storage medium. The computer-readable storage medium has a computer program stored 18 thereon. The program, when executed by a processor, implements the steps of the control 19 method for the kitchen appliance 100 according to any one of the above-mentioned embodiments.
21 [00170] In the computer-readable storage medium according to the embodiments of the 22 present disclosure, whether the user starts the cooking or not is first determined based on the 23 temperature information and the gas component information. Therefore, the operation of the 24 fan 14 is controlled in time to prevent the oil fume spreading in the kitchen before the fan 14 is turned on. Then, the operation parameter of the fan 14 is adjusted or remains unchanged by 26 obtaining the humidity information of the kitchen and the dust information of the kitchen.
27 Therefore, the air volume of the fan 14 matches with the content of the oil fume and water 28 vapor of the kitchen.
29 [00171] The computer-readable storage medium may be provided in the kitchen appliance 100 or in a cloud server. The kitchen appliance 100 may communicate with the cloud server 31 to obtain a corresponding program.
1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 [00172] It can be understood that the computer program may include computer program 2 codes. The computer program codes may be in a form of source codes, object codes, an 3 executable file, or some intermediate forms, etc. The computer-readable medium may include 4 any entity or device capable of carrying the computer program codes, a recording medium, a USB disk, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, a 6 Read-Only Memory (ROM), a Random Access Memory (RAM), and a software distribution 7 medium, etc.
8 [00173] The control apparatus 200 is a single-chip microcomputer having an integrated 9 processor, memory, communication module, etc. The processor may refer to a processor included in the control apparatus 200. The processor may be a Central Processing Unit (CPU), 11 another general-purpose processor, a Digital Signal Processor (DSP), an Application Specific 12 Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other programmable 13 logic devices, a discrete gate or a transistor logic device, a discrete hardware component, etc.
14 [00174] It should be noted that the above-mentioned description of the embodiments and advantageous effects of the control method is applicable to the readable storage medium of 16 this embodiment, and details thereof will not be described herein in order to avoid 17 redundancy.
18 [00175] In some embodiments, the readable storage medium may be mounted in the 19 kitchen appliance 100, or may be mounted in a server or other terminals.
The kitchen appliance 100 communicates with the server or other terminals to obtain a corresponding 21 program.
22 [00176] In the description of this specification, descriptions with reference to the terms "an 23 embodiment", "some embodiments", "certain embodiments", "illustrative embodiments", 24 "examples", "specific examples", or "some examples" etc., mean that specific features, structure, materials or characteristics described in conjunction with the embodiment or 26 example are included in at least one embodiment or example of the present disclosure. In this 27 specification, the schematic representations of the above terms do not necessarily refer to the 28 same embodiment or example. Moreover, the described specific features, structures, materials 29 or characteristics may be combined in any one or more embodiments or examples in a suitable manner.
31 [00177] Any process or method described in a flowchart or described herein in other ways 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 may be understood to include one or more modules, segments, or portions of codes of 2 executable instructions for achieving specific logical functions or steps in the process. The 3 scope of a preferred embodiment of the present disclosure includes other implementations. A
4 function may be performed not in a sequence shown or discussed, including a substantially simultaneous manner or a reverse sequence based on the function involved, which should be 6 understood by those skilled in the art to which the embodiments of the present disclosure 7 belong.
8 [00178] The logic and/or step described in other manners herein or shown in the flowchart, 9 e.g., a particular sequence table of executable instructions for realizing the logical function, may be specifically achieved in any computer-readable medium to be used by an instruction 11 execution system, device or equipment (such as a system based on computers, a system 12 including a processing module, or other systems capable of obtaining instructions from the 13 instruction execution system, device and equipment and executing the instructions), or to be 14 used in combination with the instruction execution system, device and equipment. As to the specification, "the computer-readable medium" may be any device adaptive for including, 16 storing, communicating, propagating or transferring programs to be used by or in 17 combination with the instruction execution system, device or equipment.
More specific 18 examples of the computer-readable medium include but are not limited to:
an electronic 19 connection (an electronic device) with one or more wires, a portable computer enclosure (a magnetic device), a random access memory (RAM), a read only memory (ROM), an erasable 21 programmable read-only memory (EPROM or a flash memory), an optical fiber device and a 22 portable compact disk read-only memory (CDROM). In addition, the computer-readable 23 medium may even be a paper or other appropriate medium capable of printing programs 24 thereon, this is because, for example, the paper or other appropriate medium may be optically scanned and then edited, decrypted or processed with other appropriate methods when 26 necessary to obtain the programs in an electric manner, and then the programs may be stored 27 in the computer memories.
28 [00179] It should be understood that each part of the present disclosure may be realized by 29 the hardware, software, firmware or their combination. In the above embodiments, a plurality of steps or methods may be realized by the software or firmware stored in the memory and 31 executed by the appropriate instruction execution system. For example, if it is realized by the 1384-7111-4248, v. 1 CA Application CP ST Ref: 41700/00002 1 hardware, likewise in another embodiment, the steps or methods may be realized by one or a 2 combination of the following techniques known in the art: a discrete logic circuit having a 3 logic gate circuit for realizing a logic function of a data signal, an application-specific 4 integrated circuit having an appropriate combination logic gate circuit, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.
6 [00180] It would be understood by those skilled in the art that all or a part of the steps 7 carried by the method in the above-described embodiments may be completed by relevant 8 hardware instructed by a program. The program may be stored in a computer-readable 9 storage medium. When the program is executed, one or a combination of the steps of the method in the above-described embodiments may be completed.
11 [00181] In addition, individual functional units in the embodiments of the present 12 disclosure may be integrated in one processing module or may be separately physically 13 present, or two or more units may be integrated in one module. The integrated module as 14 described above may be achieved in the form of hardware, or may be achieved in the form of a software functional module. If the integrated module is achieved in the form of a software 16 functional module and sold or used as a separate product, the integrated module may also be 17 stored in a computer-readable storage medium.
18 [00182] The storage medium mentioned above may be read-only memories, magnetic 19 disks or CD, etc.
[00183] Although embodiments of the present disclosure have been shown and described, 21 it would be appreciated by those skilled in the art that the above embodiments cannot be 22 construed to limiting the present disclosure, and changes, modifications, alternatives, and 23 alterations can be made in the embodiments without departing from scope of the present 24 disclosure.

1384-7111-4248, v. 1

Claims

What is claimed is:

1. A control method, comprising:
obtaining an oil fume concentration based on oil fume data outputted by an oil fume sensor;
selecting one speed adjustment curve from a plurality of speed adjustment curves, and controlling operation of a kitchen appliance based on the selected speed adjustment curve and the oil fume concentration;
obtaining an adjustment curve by processing a current speed adjustment curve based on an obtained manual speed adjustment operation; and controlling operation of the kitchen appliance by using the adjustment curve.

2. The control method according to claim 1, further comprising:
obtaining the plurality of speed adjustment curves from a server, and updating the plurality of speed adjustment curves into the kitchen appliance.

3. The control method according to claim 1, further comprising:
uploading the adjustment curve into a server for storage.

4. The control method according to claim 1, wherein the oil fume sensor comprises at least one of an optical sensor or an organic molecule sensor.

5. The control method according to claim 1, wherein said obtaining the adjustment curve by processing the current speed adjustment curve based on the obtained manual speed adjustment operation comprises:
when the manual speed adjustment operation is an upshift operation, selecting a speed adjustment curve having a slope greater than a slope of the current speed adjustment curve as the adjustment curve; and when the manual speed adjustment operation is a downshift operation, selecting a speed adjustment curve having a slope smaller than the slope of the current speed adjustment curve as the adjustment curve.

6. The control method according to claim 1, wherein said obtaining the adjustment curve by processing the current speed adjustment curve based on the obtained manual speed adjustment operation comprises:
when the manual speed adjustment operation is an upshift operation and a slope of the current speed adjustment curve is a maximum slope among slopes of the plurality of speed adjustment curves, increasing the slope of the current speed adjustment curve to obtain the adjustment curve; and when the manual speed adjustment operation is a downshift operation and a slope of the current speed adjustment curve is a minimum slope among the slopes of the plurality of speed adjustment curves, reducing the slope of the current speed adjustment curve to obtain the adjustment curve.

7. The control method according to claim 1, comprising:
when the obtained manual speed adjustment operation is a misoperation, removing the obtained manual adjustment operation.

8. The control method according to claim 1, comprising:
obtaining temperature information of a kitchen and gas component information of the kitchen;
determining whether to turn on a fan of the kitchen appliance based on the temperature information and the gas component information;
obtaining humidity information of the kitchen and dust information of the kitchen; and determining whether to adjust an operation parameter of the fan based on the humidity information and the dust information.

9. The control method according to claim 8, wherein said determining whether to turn on the fan of the kitchen appliance based on the temperature information and the gas component information comprises:

when the temperature information is greater than a first temperature threshold and the gas component information is greater than a first component threshold, determining to turn on the fan of the kitchen appliance; and when the temperature information is smaller than the first temperature threshold and/or the gas component information is smaller than the first component threshold, determining not to turn on the fan of the kitchen appliance.

10. The control method according to claim 8, wherein said determining whether to adjust the operation parameter of the fan based on the humidity information and the dust informati on comprises:
when the humidity information is greater than a first humidity threshold, increasing air volume of the fan;
when the humidity information is smaller than the first humidity threshold and greater than a second humidity threshold, keeping the operation parameter of the fan unchanged, the second humidity threshold being smaller than the first humidity threshold; and when the humidity information is smaller than the second humidity threshold, reducing the air volume of the fan.

11. The control method according to claim 8, wherein said determining whether to adjust the operation parameter of the fan based on the humidity information and the dust information further comprises:
when the dust information is greater than a first dust threshold, increasing air volume of the fan;
when the dust information is smaller than the first dust threshold and greater than a second dust threshold, keeping the operation parameter of the fan unchanged, the second dust threshold being smaller than the first dust threshold; and when the dust information is smaller than the second dust threshold, reducing the air volume of the fan.

12. The control method according to claim 8, further comprising:
when the temperature information is smaller than a second temperature threshold, the gas component information is smaller than a second component threshold, the humidity information is smaller than a third humidity threshold, and the dust information is smaller than a third dust threshold, determining to turn off the fan of the kitchen appliance.

13. The control method according to claim 1, further comprising:
determining a cooking habit based on temperature information, gas component information, humidity information, and dust information.

14.A control apparatus, comprising:
an obtaining module configured to obtain an oil fume concentration based on oil fume data outputted by a fume sensor;
a control module configured to select one speed adjustment curve from a plurality of speed adjustment curves based on the oil fume concentration and control operation of a kitchen appliance by using the selected speed adjustment curve; and an adjustment module configured to obtain an adjustment curve by processing a current speed adjustment curve based on an obtained manual speed adjustment operation, wherein the control module is configured to control operation of the kitchen appliance by using the adjustment curve.

15.A kitchen appliance, comprising:
a control apparatus; and the fan according to claim 8, wherein the control apparatus is electrically connected to the fan.

16. The kitchen appliance according to claim 15, further comprising:
a temperature sensor configured to obtain the temperature information of the kitchen;
a gas component sensor configured to obtain the gas component information of the kitchen;
a humidity sensor configured to obtain the humidity information of the kitchen; and a dust sensor configured to obtain the dust information of the kitchen, wherein:
the control apparatus is connected to the temperature sensor, the gas component sensor, the humidity sensor, and the dust sensor, and configured to determine whether to turn on the fan based on the temperature information and the gas component information, and configured to determine whether to adjust the operation parameter of the fan based on the humidity information and the dust information; and the fan is configured to operate based on the operation parameter.

17. The kitchen appliance according to claim 16, wherein the control apparatus is further configured to determine to turn off the fan of the kitchen appliance, when the temperature information is smaller than a second temperature threshold, the gas component information is smaller than a second component threshold, the humidity information is smaller than a third humidity threshold, and the dust information is smaller than a fourth dust threshold.

18. The kitchen appliance according to claim 16, wherein the control apparatus is further configured to determine a cooking habit based on the temperature information, the gas component information, the humidity information, and the dust information.

19.A kitchen appliance, comprising:
a processor; and a memory, wherein the processor is configured to execute a computer program stored in the memory to perform the control method according to any one of claims 1 to 13.

20. A readable storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the control method according to any one of claims 1 to 13.