Disclosure of Invention
The invention aims to provide an air conditioner outdoor unit, which comprises a unit body and a grid, wherein the unit body comprises an outer casing and a condenser;
the air conditioner comprises an outer shell, a grid, a condenser, a fan, an air inlet, an air outlet, a first pipeline, a second pipeline and a fan, wherein the grid and the shell are arranged at intervals, the condenser is fixedly arranged in the outer shell, the fan is fixedly arranged on the outer shell and provided with the air inlet and the air outlet, the air inlet is connected with one end of the first pipeline, the air outlet is connected with one end of the second pipeline, the other end of the first pipeline extends out of the grid to lead to the air at the outdoor environment temperature, and the other end of the second pipeline is arranged on the side of the condenser.
According to an outdoor unit of an air conditioner provided by the present invention, further comprising: a first temperature sensor and a second temperature sensor;
the first temperature sensor is arranged at one end of the first pipeline, which is far away from the air inlet, so as to obtain the outdoor environment temperature;
the second temperature sensor is arranged on the outer surface of the condenser to acquire the temperature of the outer surface of the condenser;
controlling and adjusting an operation state of the fan based on the outdoor environment temperature and an outer surface temperature of the condenser.
According to an outdoor unit of an air conditioner provided by the present invention, the fan is disposed at least one of:
an outer surface disposed at a top of the outer housing;
an inner surface disposed at a top of the outer housing;
the outer surface is arranged on any one of the four side surfaces of the outer shell;
an inner surface provided on any one of four side surfaces of the outer case;
and an inner surface provided at the bottom of the outer case.
According to the outdoor unit of the air conditioner provided by the invention, the unit body further comprises a circuit board;
the circuit board is used for controlling and adjusting the running state of the fan.
According to an outdoor unit of an air conditioner provided by the present invention, further comprising: a positioning device;
the positioning device is in communication connection with the circuit board and used for acquiring weather state information of the day, and the circuit board controls and adjusts the running state of the fan based on the weather state information;
the weather conditions at least comprise rain and snow weather conditions and fine particle conditions in the air.
According to an outdoor unit of an air conditioner provided by the present invention, further comprising: a short-range communication module;
the short-range communication module is in communication connection with the intelligent terminal, and the circuit board is in communication connection with the intelligent terminal through the short-range communication module.
According to an outdoor unit of an air conditioner provided by the present invention, further comprising: an air guide pipe;
the air guide pipe comprises a main pipeline and a plurality of sub-pipelines which are uniformly distributed, and the main pipeline is communicated with the plurality of sub-pipelines;
the main pipeline is connected with one end of the second pipeline, which is far away from the air outlet;
the plurality of sub-pipelines are distributed on the outer surface of the condenser.
The invention also provides a control method of the air conditioner outdoor unit, which comprises the following steps:
starting a fan;
obtaining air at the outdoor environment temperature to realize heat dissipation on the condenser side;
the air at the outdoor ambient temperature is taken in by a first pipeline of the fan and is exhausted by a second pipeline of the fan.
According to the control method of the outdoor unit of the air conditioner provided by the invention, the method further comprises the following steps:
under the condition that the running state of the air conditioner outdoor unit exceeds a first preset time, determining a first temperature difference value based on a first temperature and a second temperature, wherein the first temperature is determined by a first temperature sensor, and the second temperature is determined by a second temperature sensor;
under the condition that the first temperature difference value is smaller than a first threshold value, the fan keeps a closing state;
under the condition that the first temperature difference value is larger than a first threshold value and smaller than a second threshold value, the fan is driven to be in a first gear state;
when the first temperature difference value is larger than a second threshold value and smaller than a third threshold value, the fan is driven to be in a second gear state;
under the condition that the first temperature difference value is larger than a third threshold value, driving the fan to be in a third gear state;
the fan comprises a first gear state and a preset gear state, and the first gear state is arranged from weak to strong in wind power from the preset gear state.
The control method of the air conditioner outdoor unit provided by the invention further comprises the following steps:
determining a second temperature difference value based on a third temperature and a fourth temperature every second preset time, wherein the third temperature is determined by the first temperature sensor, and the fourth temperature is determined by the second temperature sensor;
under the condition that the second temperature difference value is smaller than a first threshold value, adjusting the fan to be in a closed state;
controlling the fan to be shifted up to a first gear under the condition that the first temperature difference value is larger than a first threshold and smaller than a second threshold;
controlling the fan to be shifted up to the second gear under the condition that the first temperature difference value is larger than a second threshold value and smaller than a third threshold value;
and under the condition that the first temperature difference value is larger than a third threshold value, controlling the fan to shift up to a third gear until the fan shifts up to a preset gear state.
The control method of the air conditioner outdoor unit provided by the invention further comprises the following steps:
determining a third temperature difference value based on a fifth temperature and a sixth temperature after the fan runs in a preset gear state for more than a third preset time, wherein the fifth temperature is determined by the first temperature sensor, and the sixth temperature is determined by the second temperature sensor;
keeping the state of the fan unchanged under the condition that the third temperature difference value is smaller than the first threshold value;
under the condition that the first temperature difference value is larger than a first threshold value and smaller than a second threshold value, the rotating speed of an internal fan of the air conditioner outdoor unit is increased to a first preset rotating speed;
and under the condition that the first temperature difference value is larger than a second threshold value, the rotating speed of an internal fan of the air conditioner outdoor unit is increased to a second preset rotating speed.
The air conditioner outdoor unit comprises a shell body, a grid, an air inlet, an air outlet, a fan, a first pipeline, a second pipeline and a condenser, wherein the shell body is arranged on the shell body, the air inlet is connected with one end of the first pipeline, the air outlet is connected with one end of the second pipeline, the grid is extended out of the other end of the first pipeline, the grid is communicated with air at the outdoor environment temperature, and the other end of the second pipeline is arranged on the side of the condenser.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. The terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "first," "second," and the like in this application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. Further, "and/or" indicates at least one of the connected objects, the character "/", generally indicating that the former and latter related objects are in an "or" relationship.
Fig. 1 is a schematic structural view of an outdoor unit of an air conditioner according to an embodiment of the present invention, which discloses an outdoor unit of an air conditioner including a body 1 and a grill 2, wherein the body 1 includes an outer casing 11 and a condenser 12.
The machine body 1 is a machine body of the air conditioner outdoor unit, the shape and the size of the machine body are matched with those of the machine body of the conventional air conditioner outdoor unit on the market, the grating 2 is used for preventing the air conditioner outdoor unit from being accidentally protected and playing a role of beautifying, the grating can be a plate-shaped grating, various patterns can be arranged on the plate-shaped grating, the plate-shaped grating can be wave-shaped, linear, net-shaped or other patterns, and can also be an airtight plate-shaped grating, the shape of the grating 2 is not limited, namely, the heat exchange between the outdoor air temperature and the condenser side temperature can be realized no matter what type of grating is adopted.
The machine body 1 at least comprises an outer machine shell 11 and a condenser 12, wherein the outer machine shell 11 is arranged to cover the machine body 1, the condenser 12 is used for realizing refrigeration, the invention aims to radiate the temperature around the condenser, and a fan is usually arranged in the air conditioner outdoor unit, but the invention does not improve the radiation around the fan and does not improve the fan, but adds an additional fan on the outer machine shell 11 to realize the heat exchange between the outdoor environment temperature and the temperature at the side of the condenser.
The grille 2 and the machine body 1 are arranged at intervals, the condenser 12 is fixedly arranged in the outer machine shell 11, the fan 111 is fixedly arranged on the outer machine shell 11, the fan 111 is provided with an air inlet 112 and an air outlet 113, the air inlet 112 is connected with one end of a first pipeline 114, the air outlet 113 is connected with one end of a second pipeline 115, the other end of the first pipeline 114 extends out of the grille 2 to lead to the air of the outdoor environment temperature, and the other end of the second pipeline 115 is arranged on the side of the condenser 12.
The blower 111 is used for dissipating heat of the condenser 12, and is different from a fan in an outdoor unit of an air conditioner in the prior art, which is disposed on the outer casing 11, as shown in fig. 1, and is disposed outside the outer casing 11, and is different from a configuration in which the blower is exposed on the outer casing 11 in the prior art, the blower 111 of the present invention is provided with an air inlet 112 and an air outlet 113, further, the air inlet 112 is connected to one end of a first pipeline 114, the air outlet 113 is connected to one end of a second pipeline 115, the blower 111 improves heat exchange efficiency by the combination of the first pipeline 114 and the second pipeline 115, and is different from a technical scheme in which the blower is exposed to supply air to the condenser side, which blows hot air to the condenser and cannot play a good role in dissipating heat, and the other end of the first pipeline 114 extends out of the grille 2 to air at an outdoor ambient temperature, the other end of the second duct 115 is disposed at the condenser 12 side to more efficiently realize heat exchange between the outdoor ambient temperature and the condenser side.
The air conditioner outdoor unit comprises a shell body, a grid, an air inlet, an air outlet, a fan, a first pipeline, a second pipeline, a grid, a condenser and a fan, wherein the shell body is arranged on the shell body, the air inlet is connected with one end of the first pipeline, the air outlet is connected with one end of the second pipeline, the other end of the first pipeline extends out of the grid and leads to air at the outdoor environment temperature, and the other end of the second pipeline is arranged on the side of the condenser.
Fig. 2 is a second schematic structural diagram of an outdoor unit of an air conditioner according to the present invention, wherein the outdoor unit of the air conditioner further includes a first temperature sensor 13 and a second temperature sensor 14;
the first temperature sensor 13 is arranged at one end of the first pipeline 114 far away from the air inlet 112 to acquire the outdoor environment temperature;
the second temperature sensor 14 is disposed on the outer surface of the condenser 12 to acquire the outer surface temperature of the condenser 12;
the operation state of the fan 111 is controlled and adjusted based on the outdoor ambient temperature and the outer surface temperature of the condenser 12.
The first temperature sensor 13 is configured to acquire an outdoor environment temperature, which is an external temperature that is not affected by an outdoor unit of an air conditioner, and the second temperature sensor 14 is configured to acquire an external surface temperature of the condenser 12, and further, by acquiring the outdoor environment temperature and the external surface temperature of the condenser 12, a temperature difference between the outdoor environment temperature and the external surface temperature of the condenser 12 can be obtained, and a side surface of the temperature sensor reflects a temperature of the condenser 12 in a current state and a temperature that can be reduced by physical adjustment, so that an operation state of the fan 111 can be adjusted more accurately.
Optionally, the fan 111 is disposed in at least one of the following positions:
an outer surface disposed at a top of the outer housing;
an inner surface disposed at a top of the outer housing;
the outer surface is arranged on any one of the four side surfaces of the outer shell;
the inner surface is arranged on any one of the four side surfaces of the outer shell;
is arranged on the inner surface of the bottom of the outer casing.
As shown in fig. 2, the fan 111 is disposed on the outer surface of the top of the outer casing, but in other embodiments, the fan 111 may be disposed on the inner surface of the top of the outer casing, on the outer surface of any one of the four sides of the outer casing, on the inner surface of any one of the four sides of the outer casing, or on the inner surface of the bottom of the outer casing.
Optionally, the body 1 further comprises a circuit board 15;
the circuit board 15 is used for controlling and adjusting the operation state of the fan 111.
The circuit board 15 determines the temperatures obtained by the first temperature sensor 13 and the second temperature sensor 14, and controls the operation state of the fan 111, preferably, a power terminal of the fan 111 is plugged into a computer board 15 of the outdoor unit of the air conditioner, and the computer board 15 controls the fan 111 to be turned on. In the invention, the temperatures acquired by the first temperature sensor 13 and the second temperature sensor 14 can be judged at intervals, so that the temperature difference between the condenser side and the outdoor environment temperature is monitored in real time, and the running state of the fan 111 is adjusted in real time.
Optionally, the outdoor unit of an air conditioner shown in the present invention further includes: a positioning device 16;
the positioning device 16 is in communication connection with the circuit board 15 and is used for acquiring weather state information of the day, and the circuit board 15 controls and adjusts the running state of the fan based on the weather state information;
the weather conditions at least comprise rain and snow weather conditions and fine particle conditions in the air.
When facing rain and snow weather condition, open fan 111 this moment, can make the rain and snow pass through first pipeline and get into the air intake, and discharge from the second pipeline, and discharge the surface to condenser 12 with rain and snow, and then increased fan 111 and condenser 12 probability of breaking down, the potential safety hazard has been increased, the event acquires the weather condition information when opening outer machine in real time through positioner 16, select the rain and snow weather condition at present moment, and judge whether to open the fan based on rain and snow weather condition, factor of safety to improving fan and condenser has very big improvement.
When facing the fine particle state in the air, the dust in a large amount of air also can get into the air intake through first pipeline, and discharge from the second pipeline, and discharge a large amount of dust to the surface of condenser 12, and there is some dust probably to enter into the organism along with air condensing units's gap inside, and then increased fan 111 and condenser 12 probability of breaking down, the potential safety hazard has been increased, so acquire the weather state information when opening outer machine in real time through positioner 16, select the fine particle state at the present moment, and judge whether to open the fan based on the fine particle state, the factor of safety that improves fan and condenser has very big improvement.
Optionally, the outdoor unit of an air conditioner shown in the present invention further includes: a short-range communication module 17;
the short-range communication module 17 is in communication connection with the intelligent terminal 18, and the circuit board 15 and the intelligent terminal 18 are in communication connection through the short-range communication module 17.
The short-range communication module 17 can be bluetooth, WiFi, cellular network, etc., the circuit board 15 not only can receive the instruction information from the intelligent terminal 18 through the short-range communication module 17, but also can send the state feedback information of the fan 111 to the intelligent terminal 18 through the short-range communication module 17, and then realize that the user can look over the temperature information of the condenser of the outdoor unit of the air conditioner, the outdoor environment temperature information and the running state of the fan at home, and also can reach the control circuit board through generating the instruction, and then control the fan to realize the effect of manual regulation and control of the condenser temperature.
Optionally, the outdoor unit of an air conditioner shown in the present invention further includes: a wind guide pipe 116;
the air guide pipe 116 comprises a main pipe 117 and a plurality of sub-pipes 118 which are uniformly distributed, and the main pipe 117 is communicated with the plurality of sub-pipes 118;
the main pipeline 117 is connected to one end of the second pipeline 115 far away from the air outlet 113;
the plurality of sub-pipes 118 are disposed in a distributed manner on the outer surface of the condenser 12.
Fig. 3 is a flowchart illustrating a method for controlling an outdoor unit of an air conditioner according to an embodiment of the present invention, including:
starting a fan;
obtaining air at the outdoor environment temperature to realize heat dissipation on the condenser side;
the air at the outdoor ambient temperature is taken in by a first pipeline of the fan and is discharged by a second pipeline of the fan.
In step S101, the fan needs to be turned on first, that is, the technical solutions for performing temperature adjustment control on the condenser in the present invention are all based on turning on the fan, and those skilled in the art understand that the fan may be turned on in an intelligent control or manual control manner in the present invention.
In step S102, the present invention is directed to exchanging heat between the air at the outdoor temperature and the condenser side, but in the prior art, the fan exposed outside is disposed on the surface of the outdoor unit of the air conditioner to dissipate heat, and the heat dissipation effect is very limited in the environment where the grille blocks the air conditioner to form a relatively closed environment.
The air conditioner outdoor unit comprises a shell body, a grid, an air inlet, an air outlet, a fan, a first pipeline, a second pipeline, a grid, a condenser and a fan, wherein the shell body is arranged on the shell body, the air inlet is connected with one end of the first pipeline, the air outlet is connected with one end of the second pipeline, the other end of the first pipeline extends out of the grid and leads to air at the outdoor environment temperature, and the other end of the second pipeline is arranged on the side of the condenser.
Fig. 4 is a second flowchart illustrating a control method of an outdoor unit of an air conditioner according to the present invention, the control method further includes:
determining a first temperature difference value based on a first temperature determined by a first temperature sensor and a second temperature determined by a second temperature sensor when the operation state of the outdoor unit of the air conditioner exceeds a first preset time;
under the condition that the first temperature difference value is smaller than a first threshold value, the fan keeps a closing state;
under the condition that the first temperature difference value is larger than a first threshold value and smaller than a second threshold value, the fan is driven to be in a first gear state;
under the condition that the first temperature difference value is larger than a second threshold value and smaller than a third threshold value, the fan is driven to be in a second gear state;
under the condition that the first temperature difference value is larger than a third threshold value, driving the fan to be in a third gear state;
the fan comprises a first gear state and a preset gear state, and the first gear state is arranged from weak to strong in wind power from the preset gear state.
In step S201, the first preset time may be 5 minutes, 10 minutes or longer, and further, when the operation state of the outdoor unit of the air conditioner exceeds a certain time, a first temperature difference between the air at the outdoor environment temperature and the temperature at the condenser side is monitored, and the gear condition of the wind speed of the fan is adjusted by determining a temperature difference between the air at the outdoor environment temperature and the temperature at the condenser side. The first temperature is determined based on a first temperature sensor, the second temperature is determined based on a second temperature sensor, and a first temperature difference is determined based on the first temperature and the second temperature.
In step S202, when the first temperature difference is smaller than a first threshold, the fan is kept in the off state, where the first threshold is preferably 1 ℃, that is, in a preferred embodiment, after the air conditioner is turned on by the remote controller for 5 minutes, the temperature of the first temperature sensor is recorded as the first temperature, the second temperature of the second temperature sensor is recorded as the second temperature, and the first temperature difference between the first temperature and the second temperature is compared, and when the first temperature difference between the first temperature and the second temperature is smaller than 1 ℃, it is determined that the space in the grille is relatively large, the heat dissipation effect of the outdoor unit of the air conditioner is relatively good, and the fan is kept in the off state.
In step S203, the second threshold is 3 ℃, that is, in combination with the embodiment in step S202, when the first temperature difference is greater than 1 ℃ and less than 3 ℃, it is determined that the space in the grille is slightly small and the heat dissipation effect of the outdoor unit of the air conditioner is slightly poor, and at this time, the fan is turned on and keeps operating in the first gear state.
In step S204, the third threshold is 5 ℃, that is, with reference to the embodiment in step S203, when the first temperature difference is greater than 3 ℃ and less than 5 ℃, it is determined that the space in the grille is small and the heat dissipation effect of the outdoor unit of the air conditioner is poor, and at this time, the fan is turned on and keeps operating in the second gear state.
In step S205, when the first temperature difference is greater than 5 ℃, it is determined that the space in the grille is very small and the heat dissipation effect of the outdoor unit of the air conditioner is very poor, and at this time, the fan is turned on and keeps operating in the third gear state.
The fan comprises a first gear state and a preset gear state, the first gear state and the preset gear state are arranged from weak wind power to strong wind power, the preset gear can be a fifth gear, a sixth gear or even more gears, in fig. 4 of the invention, only the initial state of the gears in a period of time for starting the fan is shown, specifically, the gear of the wind speed of the fan can be adjusted according to whether the temperature difference between the air of the outdoor environment temperature and the temperature of the condenser side is reduced in the subsequent period of time, and the description is omitted here.
Fig. 5 is a third flowchart illustrating a control method of an outdoor unit of an air conditioner according to the present invention, the control method further includes:
determining a second temperature difference value based on a third temperature and a fourth temperature every second preset time, wherein the third temperature is determined by the first temperature sensor, and the fourth temperature is determined by the second temperature sensor;
under the condition that the second temperature difference value is smaller than a first threshold value, adjusting the fan to be in a closed state;
controlling the fan to be shifted up to a first gear under the condition that the first temperature difference value is larger than a first threshold and smaller than a second threshold;
controlling the fan to be shifted up to the second gear under the condition that the first temperature difference value is larger than a second threshold value and smaller than a third threshold value;
and under the condition that the first temperature difference value is larger than a third threshold value, controlling the fan to shift up to a third gear until the fan shifts up to a preset gear state.
In step S301, the second preset time may be 5 minutes, 6 minutes, 10 minutes or more, and in a preferred embodiment, after the air conditioner is turned on for 5 minutes and is separated again by 5 minutes from the second preset time, the third temperature of the first temperature sensor is recorded, the fourth temperature of the second temperature sensor is recorded, and a difference between the third temperature and the fourth temperature is compared.
In step S302, when the second temperature difference is less than or equal to 1 ℃, the state of the fan remains unchanged.
In step S303, when the second temperature difference is greater than 1 ℃ and less than or equal to 3 ℃, the state of the fan is increased by one gear based on the initial gear, that is, if the initial state is the off state, the fan is increased to the first gear state; if the initial gear state is the first gear state, the gear state is increased to the second gear state; and if the initial gear state is the second gear state, the gear state is increased to the third gear state, and if the initial gear state is the preset gear state, the gear state is not changed.
In step S304, when the second temperature difference is greater than 3 ℃ and less than or equal to 5 ℃, the fan state is shifted up to the second gear based on the initial gear, that is, if the initial state is the off state, the fan state is shifted up to the second gear state; if the initial gear state is the first gear state, the gear state is increased to a third gear state; and if the initial gear state is the second gear state, the gear state is increased to the fourth gear state, and if the initial gear state is the preset gear state, the gear state is not changed.
In step S305, when the second temperature difference is greater than 5 ℃, the fan state is increased to a third gear based on the initial gear, that is, if the initial state is the off state, the fan state is increased to a third gear state; if the initial gear state is the first gear state, the gear state is increased to a fourth gear state; and if the initial gear state is the second gear state, the gear is shifted to the fifth gear state, and if the initial gear state is the preset gear state, the gear is not changed.
Fig. 6 is a fourth flowchart illustrating a control method of an outdoor unit of an air conditioner according to the present invention, the control method further including:
determining a third temperature difference value based on a fifth temperature and a sixth temperature after the fan runs in a preset gear state for more than a third preset time, wherein the fifth temperature is determined by the first temperature sensor, and the sixth temperature is determined by the second temperature sensor;
keeping the state of the fan unchanged under the condition that the third temperature difference value is smaller than the first threshold value;
under the condition that the first temperature difference value is larger than a first threshold value and smaller than a second threshold value, the rotating speed of an internal fan of the air conditioner outdoor unit is increased to a first preset rotating speed;
and under the condition that the first temperature difference value is larger than a second threshold value, the rotating speed of an internal fan of the air conditioner outdoor unit is increased to a second preset rotating speed.
Those skilled in the art understand that, in step S401, the third preset time may be 5 minutes, 8 minutes, 10 minutes or more, and in a preferred embodiment, after the fan is operated for 5 minutes while maintaining the rotation speed of the highest gear, the fifth temperature of the first temperature sensor is recorded, the sixth temperature of the second temperature sensor is recorded, and a third temperature difference between the fifth temperature and the sixth temperature is compared.
In step S402, when the third temperature difference is less than or equal to 1 ℃, the state of the outdoor unit of the air conditioner remains unchanged.
In step S403, when the third temperature difference is greater than 1 ℃ and less than or equal to 3 ℃, the rotation speed of the fan of the outdoor unit of the air conditioner is increased by 100 rpm, and it should be noted that the fan of the outdoor unit of the air conditioner is different from the fan disposed on the casing of the air conditioner in the present invention, so as to achieve a greater degree of cooling.
In step S404, when the third temperature difference is greater than 3 ℃, the rotation speed of the outdoor unit of the air conditioner is increased to the rated maximum rotation speed.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.