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CN201184967Y - Control circuit for multifunctional instantaneously-heated type water jug - Google Patents

Control circuit for multifunctional instantaneously-heated type water jug Download PDF

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Publication number
CN201184967Y
CN201184967Y CNU2008200471315U CN200820047131U CN201184967Y CN 201184967 Y CN201184967 Y CN 201184967Y CN U2008200471315 U CNU2008200471315 U CN U2008200471315U CN 200820047131 U CN200820047131 U CN 200820047131U CN 201184967 Y CN201184967 Y CN 201184967Y
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China
Prior art keywords
circuit
water
heating type
instant heating
type kettle
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Expired - Fee Related
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CNU2008200471315U
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Chinese (zh)
Inventor
顾永洪
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Zhongshan Mester Industry Co Ltd
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Individual
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Abstract

The utility model discloses a multifunctional instant kettle control circuit which comprises a warm water switch and a hot water switch, and also comprises a main control circuit, a water level detecting circuit, a cup detecting circuit, a water discharge amount selecting circuit, a water discharge circuit, a heating circuit, a temperature detecting circuit and a power circuit, wherein, the main control circuit is respectively connected with the warm water switch and the hot water switch; the water level detecting circuit, the cup detecting circuit, the water discharge amount selecting circuit, the water discharge circuit, the heating circuit and the temperature detecting circuit are connected with the main control circuit; and the power circuit provides power for the above circuits. The utility model aims to provide a multifunctional instant kettle control circuit with functional diversity and simpler circuits. The multifunctional instant kettle control circuit has the advantages of water shortage and dry out prevention, no water flowing out without cup, water discharge amount selection according to cup capacity, fast heating, etc.

Description

The control circuit of multi-functional Instant heating type kettle
[technical field]
The utility model relates to a kind of Instant heating type kettle, relates in particular to a kind of control circuit of multi-functional Instant heating type kettle.
[background technology]
The applicant has submitted five parts of patented claims on April 24th, 2008 to simultaneously to State Patent Office, title is respectively: can regulate waterdrainage amount Instant heating type kettle control circuit, can sensed water level Instant heating type kettle control circuit, can detect the Instant heating type kettle control circuit of whether placing water tumbler, Instant heating type kettle control circuit that can the fast and stable heating, the control circuit of multi-functional Instant heating type kettle, the utility model is a portion wherein.More single, the control circuit more complicated of existing Instant heating type kettle control circuit function ratio is necessary head it off for this reason.
[utility model content l
The utility model has overcome the deficiency of above-mentioned technology, and the control circuit of the fairly simple multi-functional Instant heating type kettle of a kind of diverse in function, circuit is provided.
For achieving the above object, the utility model has adopted following technical proposal:
The control circuit of multi-functional Instant heating type kettle includes warm water switch, hot-water switch, it is characterized in that, also includes:
One governor circuit that is connected respectively with warm water switch, hot-water switch, it is controlled following water tumbler testing circuit, waterdrainage amount and selects circuit, the circuit that discharges water, heater circuit, temperature sensing circuit to carry out work when Instant heating type kettle water level is normal, and just controls the circuit that discharges water discharge water when the closed water delivering orifice that detects Instant heating type kettle at the water tumbler testing circuit simultaneously of warm water switch or hot-water switch is placed with cup;
One water level detection circuit, it can detect the water level of Instant heating type kettle, and sends water level signal to governor circuit;
One water tumbler testing circuit, whether its water delivering orifice place of detecting Instant heating type kettle is placed with the water intaking cup, and sends the signal that detects to governor circuit;
One waterdrainage amount is selected circuit, and it can change the discharge water timing circuit setting-up time of circuit working of governor circuit internal control;
One circuit that discharges water that is connected with governor circuit, it carries out work when warm water switch or hot-water switch closure;
One heater circuit that is connected with governor circuit, it carries out work when hot-water switch is closed;
One temperature sensing circuit, it carries out temperature detection to the water in the Instant heating type kettle when heat-obtaining water, carry out heating in the fixed temperature scope to start governor circuit control heater circuit;
One power circuit, it is the foregoing circuit power supply.
The control circuit of aforesaid multi-functional Instant heating type kettle is characterized in that, described governor circuit is a control chip, and its model is EM78P417.
The control circuit of aforesaid multi-functional Instant heating type kettle, it is characterized in that, described water level detection circuit include one can sensed water level tongue tube, the one end is connected with the water level detecting signal input part of control chip, and should be connected with 5 volts of power supplys by the 16 resistance simultaneously by end; The other end ground connection of tongue tube.
The control circuit of aforesaid multi-functional Instant heating type kettle, it is characterized in that described water tumbler testing circuit includes photoelectronic coupler, light emitting diode on it and triode are arranged on the both sides of intake, the positive pole of light emitting diode connects 5 volts of power supplys, the minus earth of light emitting diode; Three collectors of taking over of photoelectronic coupler are connected with glass detection signal input end that has of control chip, and three collectors of taking over are connected on 5 volts of power supplys by the 5th resistance simultaneously, three grounded emitters of taking over.
The control circuit of aforesaid multi-functional Instant heating type kettle, it is characterized in that, waterdrainage amount selects circuit to include slide rheostat, the one end links to each other respectively with an end of the 5th resistance, an end of second electric capacity, the flow control signal input end of control chip, 5 volts of power supplys of another termination of the 5th resistance, the other end ground connection of second electric capacity; The other end ground connection of slide rheostat.
The control circuit of aforesaid multi-functional Instant heating type kettle is characterized in that temperature sensing circuit includes thermistor, and the one end as above is connected with the temperature detection signal input end of control chip, its other end ground connection.
The control circuit of aforesaid multi-functional Instant heating type kettle, it is characterized in that, the described circuit that discharges water includes water pump, input end of water pump is connected on the negative pole of diode successively behind two the 3rd reverse diodes of series connection, and diode cathode is connected on the control signal output ends that discharges water of control chip by the 4th resistance simultaneously; The positive pole of diode is connected with an ac input end of power circuit.
The control circuit of aforesaid multi-functional Instant heating type kettle, it is characterized in that described heater circuit includes heater, heater one end ground connection, the other end is connected with the stationary contact of often opening of relay, and the moving contact of relay is connected with an ac input end of power circuit; Coil one end of relay is connected with 12 volts of power supplys, and the other end is connected with the collector of the 4th triode, the grounded emitter of the 4th triode, and the base stage of the 4th triode is connected with the heating control signal output ends of control chip by the 15 resistance.
The control circuit of aforesaid multi-functional Instant heating type kettle is characterized in that, also includes the lack of water warning circuit that is connected with governor circuit, and it is reported to the police when water level detection circuit detects lack of water.
The control circuit of aforesaid multi-functional Instant heating type kettle, it is characterized in that, the lack of water warning circuit includes loudspeaker, an one input end is connected on 12 volts of power supplys by the 14 resistance, another input end is connected on the collector of the 3rd triode, the grounded emitter of the 3rd triode, the base stage of the 3rd triode is connected on the lack of water alarm signal output ends of control chip by the 13 resistance.
The beneficial effects of the utility model are:
1, because the utility model comprises water level detection circuit, the tongue tube of water level detection circuit can be in that the water level in the Instant heating type kettle be low when the lack of water phenomenon occurring, import the lack of water signal by the water level detecting signal input part to governor circuit, governor circuit is controlled circuit such as the coupled circuit that discharges water, heater circuit and is quit work, prevent the phenomenon of dry combustion method like this, increased the security that Instant heating type kettle uses.
2, owing to the utlity model has the water tumbler testing circuit, the water tumbler testing circuit can be placed with cup at the intake place and place the signal of cup to governor circuit input, and governor circuit is just controlled the circuit that the discharges water work that discharges water under the situation of warm water switch, hot-water switch closure when obtaining this signal.Strengthen the security of water intaking so greatly, reduced the chance that some naughty child's are scalded.
3, select circuit owing to the utlity model has waterdrainage amount, select the slide rheostat of circuit to change the setting-up time that its resistance changes control chip internal clocking circuit by regulating waterdrainage amount, the working time of circuit thereby control discharges water.Slide rheostat is provided with a plurality of resistance shelves, and each resistance retaining all distinguish corresponding different waterdrainage amount, can select the waterdrainage amount shelves according to the capacity of cup when people fetch water like this, and when water will be expired, water stops outflow automatically, and was very convenient when fetching water like this.
4, the utility model includes temperature sensing circuit, temperature sensing circuit detects the temperature of the water in the Instant heating type kettle, temperature sensing circuit is to governor circuit input temp detection signal, when the temperature of water is lower than 120 ℃, governor circuit sends to heater circuit and starts working signal, and heater circuit begins to be the water heating.When the temperature of water was higher than 130 ℃, governor circuit sent silence signal to heater circuit, and heater circuit stops to be the water heating.Control remains between 120 ℃ and 130 ℃ the temperature of water always repeatedly, has improved the efficient of heating.
5, the utility model diverse in function, circuit structure are fairly simple.
6, of the present utility model safe, energy-conservation, be rich in hommization.
[description of drawings]
Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:
Fig. 1 is a block scheme of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
[embodiment]
As shown in Figure 1, the control circuit of multi-functional Instant heating type kettle includes warm water switch SW 1, hot-water switch SW2, also includes:
The one governor circuit A that is connected respectively with warm water switch SW 1, hot-water switch SW2, it is controlled following water tumbler testing circuit C, waterdrainage amount and selects circuit D, the circuit E that discharges water, heater circuit F, temperature sensing circuit G to carry out work when Instant heating type kettle water level is normal, and just controls the circuit E that discharges water discharge water when the closed water delivering orifice that detects Instant heating type kettle at water tumbler testing circuit C simultaneously of warm water switch SW 1 or hot-water switch SW2 is placed with cup;
One water level detection circuit B, it can detect the water level of Instant heating type kettle, and sends water level signal to governor circuit A;
One water tumbler testing circuit C, whether its water delivering orifice place of detecting Instant heating type kettle is placed with the water intaking cup, and sends the signal that detects to governor circuit A;
One waterdrainage amount is selected circuit D, and it can change the discharge water timing circuit setting-up time of circuit E work of governor circuit A internal control;
The one circuit E that discharges water that is connected with governor circuit A, it carries out work when warm water switch SW 1 or hot-water switch SW2 closure;
The one heater circuit F that is connected with governor circuit A, it carries out work when hot-water switch SW2 is closed;
One temperature sensing circuit G, it carries out temperature detection to the water in the Instant heating type kettle when heat-obtaining water, carry out heating in the fixed temperature scope to start governor circuit A control heater circuit F;
One power circuit H, it is the foregoing circuit power supply.
As shown in Figure 2, described governor circuit A is a control chip U1, and model is EM78P417.The warm water switching signal input end P67/AD7 of control chip U1 is connected respectively with the 11 resistance R 11 1 ends with an end of warm water switch SW 1,5 volts of power supplys of the 11 resistance R 11 another terminations, one end of warm water switch SW 1 is connected respectively with the end of hot-water switch SW2, is parallel with the 6th capacitor C 6 at warm water switch SW 1 two ends; The other end of hot-water switch SW2 is connected with hot-water switch signal input part P50/INT, is connected on 5 volts of power supplys by the 12 resistance R 12 simultaneously, and hot-water switch SW2 is parallel with the 7th capacitor C 7.
Described water level detection circuit B include one can sensed water level tongue tube JK1, the one end is connected with the water level detecting signal input part P60/AD0 of control chip U1, and should be connected with 5 volts of power supplys by the 16 resistance R 16 simultaneously by end; The other end ground connection of tongue tube JK1.
Described water tumbler testing circuit C includes photoelectronic coupler U2, and light emitting diode on it and triode are arranged on the both sides of intake, and the positive pole of light emitting diode connects 5 volts of power supplys, the minus earth of light emitting diode; Three collectors of taking over of photoelectronic coupler U2 are connected with glass detection signal input end P54/OSC0 that has of control chip U1, and three collectors of taking over are connected on 5 volts of power supplys by the 5th resistance R 5 simultaneously, three grounded emitters of taking over.
Described waterdrainage amount selects circuit D to include slide rheostat W1, the one end links to each other respectively with an end of the 5th resistance R 5, an end of second capacitor C 2, the waterdrainage amount signal input end P61/AD1 of control chip U1,5 volts of power supplys of another termination of the 5th resistance R 5, the other end ground connection of second capacitor C 2; The other end ground connection of slide rheostat W1.
Described temperature sensing circuit G includes thermistor RT, and the one end is connected its other end ground connection with the temperature detection signal input end P62/AD2 of control chip U1.
The described circuit E that discharges water includes water pump E1, input end of water pump E1 is connected on the negative pole of diode SCR successively behind two the 3rd reverse diode D3 of series connection, and the negative pole of diode SCR is connected on the control signal output ends P53/PWM3 that discharges water of control chip U1 by the 4th resistance R 4 simultaneously; The positive pole of diode SCR is connected with the ac input end of power circuit H.
Described heater circuit F includes heater F1, heater F1 one end ground connection, and the other end is connected with the stationary contact of often opening of relay SPDTRELAY5, and the moving contact of relay SPDTRELAY5 is connected with the ac input end of power circuit H; Coil one end of relay SPDTRELAY5 is connected with 12 volts of power supplys, the other end is connected with the collector of the 4th triode Q4, the grounded emitter of the 4th triode Q4, the base stage of the 4th triode Q4 is connected with the heating control signal output ends P52/PWM2 of control chip U1 by the 15 resistance R 15.Also be parallel with diode D4 at the two ends of the coil of relay SPDTRELAY5 in addition, it is anodal to be connected with the collector of the 4th triode Q4, and negative pole is connected with 12 volts of power supplys, and the coil of diode D4 when working plays the voltage-limiting protection effect.
The utility model also includes the lack of water warning circuit I that is connected with governor circuit A, and it is reported to the police when water level detection circuit B detects lack of water.Lack of water warning circuit I includes loudspeaker SPK1, an one input end is connected on 12 volts of power supplys by the 14 resistance R 14, another input end is connected on the collector of the 3rd triode Q3, the grounded emitter of the 3rd triode Q3, the base stage of the 3rd triode Q3 is connected on the lack of water alarm signal output ends P51/PWM1 of control chip U1 by the 13 resistance R 13.
Described control chip U1 also is connected with water level indication LED 2, and its positive pole is connected with 5 volts of power supplys, and its negative pole is connected on the level indication signal output terminal P63/AD3 of control chip U1 by the tenth resistance R 10.When being in exsiccosis, water level indication LED 2 can carry out luminous the indication under the control of control chip U1.
Described control chip U1 also is connected with warm water indication LED 3, and its positive pole is connected with 5 volts of power supplys, and its negative pole is connected on the warm water indicator signal output terminal P64/AD4 of control chip U1 by the 9th resistance R 9.When getting warm water, warm water indication LED 3 can carry out luminous, and expression is in gets the warm water duty.
Described control chip U1 also is connected with hot water indication LED 4, and its positive pole is connected with 5 volts of power supplys, and its negative pole is connected on the hot water indicator signal output terminal P65/AD5 of control chip U1 by the 8th resistance R 8.Hot water indication LED 4 can carry out luminous, and expression is in the heat-obtaining water conservancy project and makes state.
Described control chip U1 also has been connected with cup indication LED 5, and its positive pole is connected with 5 volts of power supplys, and its negative pole is connected on having on glass indicator signal output terminal P63/AD3 of control chip U1 by the 7th resistance R 7.When intake is placed with cup, there is cup indication LED 5 luminously to show.
Principle of work of the present utility model is as follows: existing is example with heat-obtaining water, at first tongue tube JK1 detects the water level in the Instant heating type kettle, when water level is low when the lack of water phenomenon occurring, tongue tube JK1 imports the lack of water signal by water level detecting signal input part P60/AD0 to control chip U1, the coupled circuit such as the circuit E that discharges water, heater circuit F of control chip U1 control quit work, glittering and the loudspeaker SPK1 lack of water warning circuit of water level indication LED 2 reports to the police, to prevent the existing picture of dry combustion method; When water level just often, the control chip U1 control circuit such as circuit E, heater circuit F that discharge water are in wait state.
Cup is positioned over the intake place of Instant heating type kettle, promptly there is cup to be placed between the light emitting diode and triode of photoelectronic coupler U2, photoelectronic coupler U2 ends, 5 volts of power supplys by the 5th resistance R 5 to a glass detection signal input end P54/OSC0 input high level signal is arranged, control chip U1 controls the circuit E that discharges water and is in the duty of awaiting orders, if there is not cup to be placed on the intake place, promptly there is not cup to be placed between the light emitting diode and triode of photoelectronic coupler U2, photoelectronic coupler U2 conducting, photoelectronic coupler U2 is to glass detection signal input end P54/OSC0 input low level signal that has of control chip U1, the whether closure work that do not discharge water of circuit E hot-water switch SW2 no matter control chip U1 control discharges water.
Select the waterdrainage amount shelves according to the capacity of water intaking cup then, promptly regulate slide rheostat W1 and realize.Then cup is put into Instant heating type kettle water delivering orifice place and presses hot-water switch SW2, hot water indication this moment LED 4 carries out luminous expression and is in the heat-obtaining water state, the heating control signal output ends P52/PWM2 of control chip U1 is to the 4th triode Q4 input Continuity signal simultaneously, relay SPDTRELAY5 coil has electric current to pass through, make the moving contact of relay SPDTRELAY5 and often open stationary contact and be connected, it is the water heating that heater F1 energising begins; The control signal output ends P53/PWM3 that discharges water of control chip U1 sends to water pump E1 and starts working signal in heating, water pump E1 begins timing working, when the time then water pump E1 stop outwards to discharge water, at this moment hot water is just with brimmer, hot-water switch SW2 is with automatic tripping.Finishing the heat-obtaining water conservancy project does.
The process that in the process of heat-obtaining water, also has the heating of fixed temperature scope in addition, thermistor RT detects the temperature of the water in the Instant heating type kettle, thermistor RT passes through temperature detection signal input end P62/AD2 to control chip U1 input temp detection signal, when the temperature of water is lower than 120 ℃, control chip U1 sends to heater F1 by heating control signal output ends P52/PWM2 and starts working signal, and heater F1 begins to be the water heating.When the temperature of water was higher than 130 ℃, control chip U1 sent silence signal by heating control signal output ends P52/PWM2 to heater F1, and heater F1 stops to be the water heating.Control remains between 120 ℃ and 130 ℃ the temperature of water always repeatedly.
And the circuit working that discharges water when getting warm water, and heater circuit and temperature sensing circuit quit work.Other the course of work is the same, here is not described in detail.

Claims (10)

1, the control circuit of multi-functional Instant heating type kettle includes warm water switch (SW1), hot-water switch (SW2), it is characterized in that, also includes:
One governor circuit (A) that is connected respectively with warm water switch (SW1), hot-water switch (SW2), it is controlled following water tumbler testing circuit (C), waterdrainage amount and selects circuit (D), the circuit that discharges water (E), heater circuit (F), temperature sensing circuit (G) to carry out work when Instant heating type kettle water level is normal, and just controls the circuit that discharges water (E) discharge water when the closed water delivering orifice that detects Instant heating type kettle at water tumbler testing circuit (C) simultaneously of warm water switch (SW1) or hot-water switch (SW2) is placed with cup;
One water level detection circuit (B), it can detect the water level of Instant heating type kettle, and sends water level signal to governor circuit (A);
One water tumbler testing circuit (C), whether its water delivering orifice place of detecting Instant heating type kettle is placed with the water intaking cup, and sends the signal that detects to governor circuit (A);
One waterdrainage amount is selected circuit (D), and it can change the discharge water timing circuit setting-up time of circuit (E) work of governor circuit (A) internal control;
One circuit that discharges water (E) that is connected with governor circuit (A), it carries out work when warm water switch (SW1) or hot-water switch (SW2) closure;
One heater circuit (F) that is connected with governor circuit (A), it carries out work when hot-water switch (SW2) is closed;
One temperature sensing circuit (G), it carries out temperature detection to the water in the Instant heating type kettle when heat-obtaining water, carry out heating in the fixed temperature scope to start governor circuit (A) control heater circuit (F);
One power circuit (H), it is the foregoing circuit power supply.
2, the control circuit of multi-functional Instant heating type kettle according to claim 1 is characterized in that, described governor circuit (A) is a control chip (U1), and its model is EM78P417.
3, the control circuit of multi-functional Instant heating type kettle according to claim 1 and 2, it is characterized in that, described water level detection circuit (B) include one can sensed water level tongue tube (JK1), the one end is connected with the water level detecting signal input part (P60/AD0) of control chip (U1), and should be connected with 5 volts of power supplys by the 16 resistance (R16) simultaneously by end; The other end ground connection of tongue tube (JK1).
4, the control circuit of multi-functional Instant heating type kettle according to claim 3, it is characterized in that, described water tumbler testing circuit (C) includes photoelectronic coupler (U2), light emitting diode on it and triode are arranged on the both sides of intake, the positive pole of light emitting diode connects 5 volts of power supplys, the minus earth of light emitting diode; Three collectors of taking over of photoelectronic coupler (U2) are connected with glass detection signal input end (P54/OSC0) that has of control chip (U1), and three collectors of taking over are connected on 5 volts of power supplys by the 5th resistance (R5) simultaneously, three grounded emitters of taking over.
5, the control circuit of multi-functional Instant heating type kettle according to claim 4, it is characterized in that, waterdrainage amount selects circuit (D) to include slide rheostat (W1), the one end links to each other respectively with an end of the 5th resistance (R5), an end of second electric capacity (C2), the waterdrainage amount signal input end (P61/AD1) of control chip (U1), 5 volts of power supplys of another termination of the 5th resistance (R5), the other end ground connection of second electric capacity (C2); The other end ground connection of slide rheostat (W1).
6, the control circuit of multi-functional Instant heating type kettle according to claim 5, it is characterized in that, temperature sensing circuit (G) includes thermistor (RT), and the one end is connected its other end ground connection with the temperature detection signal input end (P62/AD2) of control chip (U1).
7, the control circuit of multi-functional Instant heating type kettle according to claim 6, it is characterized in that, the described circuit that discharges water (E) includes water pump (E1), input end of water pump (E1) is connected on the negative pole of diode (SCR) successively behind two reverse the 3rd diodes (D3) of series connection, and the negative pole of diode (SCR) is connected on the control signal output ends that discharges water (P53/PWM3) of control chip (U1) by the 4th resistance (R4) simultaneously; The positive pole of diode (SCR) is connected with an ac input end of power circuit (H).
8, the control circuit of multi-functional Instant heating type kettle according to claim 7, it is characterized in that, described heater circuit (F) includes heater (F1), heater (F1) end ground connection, the other end is connected with the stationary contact of often opening of relay (SPDTRELAY5), and the moving contact of relay (SPDTRELAY5) is connected with an ac input end of power circuit (H); Coil one end of relay (SPDTRELAY5) is connected with 12 volts of power supplys, the other end is connected with the collector of the 4th triode (Q4), the grounded emitter of the 4th triode (Q4), the base stage of the 4th triode (Q4) is connected with the heating control signal output ends (P52/PWM2) of control chip (U1) by the 15 resistance (R15).
9, the control circuit of multi-functional Instant heating type kettle according to claim 8 is characterized in that, also includes the lack of water warning circuit (I) that is connected with governor circuit (A), and it is reported to the police when detecting lack of water at water level detection circuit (B).
10, the control circuit of multi-functional Instant heating type kettle according to claim 9, it is characterized in that, lack of water warning circuit (I) includes loudspeaker (SPK1), an one input end is connected on 12 volts of power supplys by the 14 resistance (R14), another input end is connected on the collector of the 3rd triode (Q3), the grounded emitter of the 3rd triode (Q3), the base stage of the 3rd triode (Q3) is connected on the lack of water alarm signal output ends (P51/PWM1) of control chip (U1) by the 13 resistance (R13).
CNU2008200471315U 2008-04-24 2008-04-24 Control circuit for multifunctional instantaneously-heated type water jug Expired - Fee Related CN201184967Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200471315U CN201184967Y (en) 2008-04-24 2008-04-24 Control circuit for multifunctional instantaneously-heated type water jug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200471315U CN201184967Y (en) 2008-04-24 2008-04-24 Control circuit for multifunctional instantaneously-heated type water jug

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Publication Number Publication Date
CN201184967Y true CN201184967Y (en) 2009-01-21

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102525267A (en) * 2011-12-07 2012-07-04 张永超 Control circuit of electric kettle
CN102722200A (en) * 2012-06-08 2012-10-10 美的集团有限公司 Quantitative instant heating kettle control circuit and control method thereof
CN103519679A (en) * 2012-07-05 2014-01-22 成都达瑞斯科技有限公司 Efficient and energy-saving electric kettle
CN105595738A (en) * 2016-02-23 2016-05-25 苏州经贸职业技术学院 Cup used for blind people
CN106419548A (en) * 2016-09-22 2017-02-22 于林静 Tea bar machine with online water-preparing function

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102525267A (en) * 2011-12-07 2012-07-04 张永超 Control circuit of electric kettle
CN102722200A (en) * 2012-06-08 2012-10-10 美的集团有限公司 Quantitative instant heating kettle control circuit and control method thereof
CN103519679A (en) * 2012-07-05 2014-01-22 成都达瑞斯科技有限公司 Efficient and energy-saving electric kettle
CN105595738A (en) * 2016-02-23 2016-05-25 苏州经贸职业技术学院 Cup used for blind people
CN106419548A (en) * 2016-09-22 2017-02-22 于林静 Tea bar machine with online water-preparing function

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