CN111023298A - Control method and device for preventing direct blowing during refrigeration of air conditioner, storage medium and air conditioner - Google Patents
Control method and device for preventing direct blowing during refrigeration of air conditioner, storage medium and air conditioner Download PDFInfo
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- 238000007664 blowing Methods 0.000 title claims abstract description 64
- 238000005057 refrigeration Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000003507 refrigerant Substances 0.000 claims abstract description 104
- 230000002265 prevention Effects 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims description 45
- 230000006870 function Effects 0.000 claims description 44
- 238000004590 computer program Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
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- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method and a device for preventing direct blowing during refrigeration of an air conditioner, a storage medium and the air conditioner, wherein the control method comprises the following steps: when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the coil temperatures of the upper evaporator and the lower evaporator are respectively detected through the upper coil temperature sensor and the lower coil temperature sensor, and the opening of the lower electronic expansion valve is adjusted according to the upper coil temperature and the lower coil temperature so as to reduce the flow of a refrigerant flowing into the lower evaporator; detect current indoor ambient temperature through temperature sensor, when the difference of current indoor ambient temperature and refrigeration settlement temperature is not more than preset temperature threshold, through the aperture of electronic expansion valve under the indoor control ware adjustment, make down the refrigerant passageway close, the refrigerant passes through the knockout and flows in the evaporimeter, goes up air outlet output cold wind to realize preventing directly blowing function. The invention can effectively prevent cold air from blowing directly on the basis of maintaining the requirement of indoor temperature, and enables the indoor temperature to be uniform, thereby improving the comfort.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a method and a device for controlling refrigeration and direct blowing prevention of an air conditioner, a computer readable storage medium and the air conditioner.
Background
At present, some air conditioners in the market have refrigeration and direct blowing prevention functions, for example, the direct blowing prevention function of some brands of air conditioners is to close a wind deflector of the air conditioner and output cold air by using micropores on the wind deflector.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a method and an apparatus for controlling refrigeration and direct-blowing prevention of an air conditioner, a computer-readable storage medium, and an air conditioner, which can effectively prevent cold air from being directly blown and make the indoor temperature uniform on the basis of maintaining the indoor temperature requirement, thereby improving the comfort.
In order to solve the technical problem, an embodiment of the present invention provides a method for controlling refrigeration and blow-through prevention of an air conditioner, where the method is applied to an air conditioner with two air outlets arranged longitudinally, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, and the upper air outlet and the lower air outlet correspond to separate air ducts respectively; the evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid separator, the upper evaporator corresponds to the upper air outlet, and the lower evaporator corresponds to the lower air outlet; the upper evaporator is provided with an upper coil temperature sensor, and the lower evaporator is provided with a lower coil temperature sensor; a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid separator and is used for controlling the flow of the refrigerant and controlling the circulation and closing of the lower refrigerant channel; the method comprises the following steps:
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, detecting the temperature of an upper coil of the upper evaporator through the upper coil temperature sensor, detecting the temperature of a lower coil of the lower evaporator through the lower coil temperature sensor, and adjusting the opening of the lower electronic expansion valve according to the temperature of the upper coil and the temperature of the lower coil so as to reduce the flow of a refrigerant flowing into the lower evaporator;
detect current indoor ambient temperature through temperature sensor to calculate current indoor ambient temperature with the first difference of the refrigeration settlement temperature of air conditioner, when first difference is not more than predetermined temperature threshold value, will through indoor controller the aperture of lower electronic expansion valve is adjusted to minimum aperture, makes down the refrigerant passageway is in the closed condition, and the refrigerant passes through the knockout flows in go up the evaporimeter, go up air outlet output cold wind to realize preventing directly blowing function.
Further, the method adjusts the opening degree of the lower electronic expansion valve according to the upper coil pipe temperature and the lower coil pipe temperature by the following steps:
calculating a second difference value between the upper coil temperature and a preset coil temperature threshold value;
comparing the lower coil temperature to the second difference;
when the temperature of the lower coil pipe is larger than the second difference value, the opening degree of the lower electronic expansion valve is increased through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value;
and when the temperature of the lower coil pipe is smaller than the second difference value, reducing the opening degree of the lower electronic expansion valve through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value.
Further, while adjusting the opening degree of the lower electronic expansion valve according to the upper coil pipe temperature and the lower coil pipe temperature, the method further includes:
the angle of the lower air deflector of the lower air outlet is adjusted through the indoor controller, so that the lower air deflector is adjusted to the minimum angle in any direction.
Further, while the opening degree of the lower electronic expansion valve is adjusted to the minimum opening degree by the indoor controller, the method further includes:
and adjusting the angle of the upper air deflector of the upper air outlet through the indoor controller, so that the upper air outlet outputs cold air upwards.
Further, the method further comprises:
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls a lower fan corresponding to the lower air outlet to stop rotating, so that air is not discharged from the lower air outlet; or the like, or, alternatively,
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls the lower fan corresponding to the lower air outlet to operate, so that the lower air outlet outputs natural air.
Furthermore, an upper electronic expansion valve is arranged in an upper refrigerant channel between the upper evaporator and the liquid separator, and the upper electronic expansion valve is used for controlling the flow of the refrigerant and controlling the circulation and closing of the upper refrigerant channel.
Furthermore, the upper air outlet comprises a first upper air outlet and a second upper air outlet which are arranged in parallel, the upper evaporator is divided into a first upper evaporator and a second upper evaporator through a first liquid distributor, the first upper evaporator corresponds to the first upper air outlet, and the second upper evaporator corresponds to the second upper air outlet; and/or the first and/or second light sources,
the lower air outlet comprises a first lower air outlet and a second lower air outlet which are arranged in parallel, the lower evaporator is divided into a first lower evaporator and a second lower evaporator through a second liquid distributor, the first lower evaporator corresponds to the first lower air outlet, and the second lower evaporator corresponds to the second lower air outlet.
In order to solve the technical problem, an embodiment of the present invention further provides a control device for preventing direct blowing during refrigeration of an air conditioner, wherein the device is installed in the air conditioner with two air outlets longitudinally arranged, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, and the upper air outlet and the lower air outlet respectively correspond to separate air ducts; the evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid separator, the upper evaporator corresponds to the upper air outlet, and the lower evaporator corresponds to the lower air outlet; the upper evaporator is provided with an upper coil temperature sensor, and the lower evaporator is provided with a lower coil temperature sensor; a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid separator and is used for controlling the flow of the refrigerant and controlling the circulation and closing of the lower refrigerant channel; the device comprises:
the first direct-blowing prevention control module is used for detecting the temperature of an upper coil of the upper evaporator through the upper coil temperature sensor and the temperature of a lower coil of the lower evaporator through the lower coil temperature sensor when the air conditioner is in a refrigeration mode and the direct-blowing prevention function is started, and adjusting the opening of the lower electronic expansion valve according to the temperature of the upper coil and the temperature of the lower coil so as to reduce the flow of refrigerant flowing into the lower evaporator;
and the second direct-blowing prevention control module is used for detecting the current indoor environment temperature through the temperature sensor and calculating a first difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner, when the first difference value is not larger than a preset temperature threshold value, the opening degree of the lower electronic expansion valve is adjusted to be the minimum opening degree through the indoor controller, so that the lower refrigerant channel is in a closed state, the refrigerant flows into the upper evaporator through the liquid distributor, and the upper air outlet outputs cold air to realize the direct-blowing prevention function.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; when the computer program runs, the computer program controls the equipment where the computer readable storage medium is located to execute any one of the control methods for air conditioner refrigeration and blow-through prevention.
The embodiment of the invention also provides an air conditioner, which comprises a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor realizes the control method for refrigerating and preventing blow-through of the air conditioner when executing the computer program.
Compared with the prior art, the embodiment of the invention provides a control method and a device for preventing direct blowing of air conditioner refrigeration, a computer readable storage medium and an air conditioner, wherein two air outlets are longitudinally arranged on the air conditioner, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, the upper air outlet and the lower air outlet respectively correspond to separate air channels, an evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid distributor, the upper evaporator corresponds to the upper air outlet, the lower evaporator corresponds to the lower air outlet, the upper evaporator is provided with an upper coil temperature sensor, the lower evaporator is provided with a lower coil temperature sensor, a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid distributor, and the lower electronic expansion valve is used for controlling the flow of a refrigerant and controlling the circulation and closing of the lower refrigerant channel; when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the upper coil pipe temperature of the upper evaporator is detected through the upper coil pipe temperature sensor, the lower coil pipe temperature of the lower evaporator is detected through the lower coil pipe temperature sensor, the opening degree of the lower electronic expansion valve is adjusted according to the upper coil pipe temperature and the lower coil pipe temperature so as to reduce the flow rate of refrigerant flowing into the lower evaporator, meanwhile, the current indoor environment temperature is detected through the temperature sensor, a first difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner is calculated, when the first difference value is not larger than a preset temperature threshold value, the opening degree of the lower electronic expansion valve is adjusted to the minimum opening degree through the indoor controller, the lower refrigerant channel is in a closed state, the refrigerant flows into the upper evaporator through the liquid distributor, the upper air outlet outputs cold air, the direct blowing prevention function is realized, and the indoor temperature requirement can be maintained, effectively prevent cold wind from blowing directly to make indoor temperature even, thereby improve the travelling comfort.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a control method for preventing blow-through of air conditioner refrigeration provided by the present invention;
FIG. 2 is a schematic external view of an air conditioner according to a preferred embodiment of the present invention;
fig. 3A to 3B are schematic structural views of an evaporator of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an internal structure of an air conditioner according to an embodiment of the present invention;
FIG. 5 is a schematic external view of another preferred embodiment of an air conditioner according to the present invention;
FIG. 6 is a block diagram of the control device for preventing the direct blowing during the cooling of the air conditioner according to a preferred embodiment of the present invention;
fig. 7 is a block diagram of an air conditioner according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
The embodiment of the invention provides a control method for preventing direct blowing during refrigeration of an air conditioner, which is suitable for the air conditioner with two air outlets longitudinally, wherein an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, and the upper air outlet and the lower air outlet respectively correspond to separate air ducts; the evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid separator, the upper evaporator corresponds to the upper air outlet, and the lower evaporator corresponds to the lower air outlet; the upper evaporator is provided with an upper coil temperature sensor, and the lower evaporator is provided with a lower coil temperature sensor; a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid separator and is used for controlling the flow of the refrigerant and controlling the circulation and closing of the lower refrigerant channel; the method includes steps S11 to S12:
step S11, when the air conditioner is in a cooling mode and the direct blowing prevention function is started, detecting the upper coil temperature of the upper evaporator through the upper coil temperature sensor, detecting the lower coil temperature of the lower evaporator through the lower coil temperature sensor, and adjusting the opening of the lower electronic expansion valve according to the upper coil temperature and the lower coil temperature to reduce the flow of the refrigerant flowing into the lower evaporator;
and step S12, detecting the current indoor environment temperature through a temperature sensor, calculating a first difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner, adjusting the opening degree of the lower electronic expansion valve to the minimum opening degree through an indoor controller when the first difference value is not larger than a preset temperature threshold value, enabling the lower refrigerant channel to be in a closed state, enabling the refrigerant to flow into the upper evaporator through the liquid separator, and enabling the upper air outlet to output cold air so as to achieve a direct blowing prevention function.
As shown in fig. 2, the air conditioner (e.g. a vertical or cabinet air conditioner) is provided with two air outlets, i.e. an upper air outlet and a lower air outlet, wherein, the upper air outlet is arranged at the top of the air conditioner (higher position) and can rotate at any angle within 360 degrees to supply air or supply air towards a certain fixed position, the lower air outlet is arranged in the middle of the air conditioner (lower position, but can not be arranged at the bottom of the air conditioner, and is limited by installation conditions, the bottom can be shielded by furniture such as sofa or TV cabinet, and the air outlet of the lower air outlet is influenced), the upper air outlet and the lower air outlet are respectively corresponding to independent air channels, the upper air channel and the lower air channel are separated by using a partition plate, air leakage between the two air channels is prevented, an upper air deflector of the upper air outlet can swing left and right, and a lower air deflector of the lower air outlet can swing up and down and left and right, so that various combined air outlet forms are realized; as shown in fig. 3 to 4, the evaporator body of the air conditioner is designed as an integral body, and is divided into two parts, namely, an upper evaporator and a lower evaporator, by a liquid separator, the upper evaporator corresponds to an upper air outlet, the lower evaporator corresponds to a lower air outlet, correspondingly, a refrigerant channel of the evaporator is also divided into two parts, namely, an upper refrigerant channel and a lower refrigerant channel, by the liquid separator, a lower electronic expansion valve is arranged in the lower refrigerant channel between the lower evaporator and the liquid separator, the lower electronic expansion valve can be used for controlling the flow rate of the refrigerant flowing into the lower evaporator through the lower refrigerant channel and controlling the circulation and the closing of the lower refrigerant channel, in addition, an upper coil pipe temperature sensor is arranged in an upper coil pipe corresponding to the upper evaporator and can be used for detecting the evaporation temperature of the upper evaporator, and a lower coil pipe temperature sensor is arranged in a lower coil pipe corresponding to the lower evaporator and can be used for detecting the evaporation temperature of the lower evaporator.
Specifically, when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the current upper coil temperature of the upper evaporator is detected through the upper coil temperature sensor, the current lower coil temperature of the lower evaporator is detected through the lower coil temperature sensor, the indoor controller of the air conditioner adjusts the opening degree of the lower electronic expansion valve according to the detected upper coil temperature and the detected lower coil temperature, the flow of the refrigerant flowing into the lower evaporator is reduced, the evaporation temperature of the lower evaporator is increased due to the reduction of the refrigerant flow, and the outlet air temperature of the lower air outlet is increased; meanwhile, the current indoor environment temperature is detected through a temperature sensor (the temperature sensor is arranged in the air conditioner or is an external temperature sensor), a first temperature difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner is calculated, the first temperature difference value obtained through calculation is compared with a preset temperature threshold value, when the first temperature difference value is not larger than the preset temperature threshold value, the opening degree of a lower electronic expansion valve is adjusted to be the minimum opening degree through an indoor controller, a lower refrigerant channel is in a closed state, no refrigerant flows into a lower evaporator at the moment, the refrigerant only flows into an upper evaporator through an upper refrigerant channel after passing through a liquid separator, evaporation and indoor air heat exchange are carried out in the upper evaporator, cold air is output from a corresponding upper air outlet and is used for cooling the indoor to maintain the indoor temperature stable, and the output cold air naturally sinks, the indoor temperature is uniform, and meanwhile, only the upper air outlet outputs cold air, and the position of the upper air outlet is higher, so that the cold air cannot blow people, and the direct blowing prevention function is realized.
It should be noted that, when the first temperature difference is greater than the preset temperature threshold, it indicates that the indoor ambient temperature does not meet the corresponding temperature requirement, and then the process returns to step S11.
It can be understood that, when the air conditioner is in the refrigeration mode, and the anti-blow-through function (or quit the anti-blow-through function) is not opened, the opening degree of the electronic expansion valve resets to the maximum opening degree under the control of the indoor controller of the air conditioner, so that the lower refrigerant channel is in the maximum flow circulation state, the refrigerant is divided into two parts after passing through the liquid separator, one part flows into the upper evaporator through the upper refrigerant channel, the other part flows into the lower evaporator through the lower refrigerant channel, the upper evaporator and the lower evaporator exchange heat simultaneously, the corresponding upper air outlet and the corresponding lower air outlet output cold air respectively, and the refrigeration function is realized.
The embodiment of the invention provides a control method for preventing direct blowing of air conditioner refrigeration, which is characterized in that two air outlets are longitudinally arranged on an air conditioner, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, an evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid separator, the upper evaporator corresponds to the upper air outlet, the lower evaporator corresponds to the lower air outlet, the upper evaporator is provided with an upper coil temperature sensor, the lower evaporator is provided with a lower coil temperature sensor, a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid separator, and the lower electronic expansion valve is used for controlling the flow of a refrigerant and controlling the circulation and closing of the lower refrigerant channel; when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the opening degree of the lower electronic expansion valve is adjusted according to the detected upper coil pipe temperature and the detected lower coil pipe temperature to reduce the flow rate of a refrigerant flowing into the lower evaporator and prevent the temperature of cold air output by the lower air outlet from being too low, then the current indoor environment temperature is detected through the temperature sensor, when the first temperature difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner is not more than a preset temperature threshold value, the opening degree of the lower electronic expansion valve is adjusted to the minimum opening degree through the indoor controller, so that the lower refrigerant channel is in a closed state, the refrigerant flows into the upper evaporator through the liquid separator, the upper air outlet outputs cold air, the direct blowing prevention function is realized, the direct blowing of the cold air can be effectively prevented on the basis of maintaining the indoor temperature requirement, the indoor temperature is uniform, and the comfort is, the user experience is better.
In another preferred embodiment, the method adjusts the opening degree of the lower electronic expansion valve according to the upper coil pipe temperature and the lower coil pipe temperature by the following steps:
calculating a second difference value between the upper coil temperature and a preset coil temperature threshold value;
comparing the lower coil temperature to the second difference;
when the temperature of the lower coil pipe is larger than the second difference value, the opening degree of the lower electronic expansion valve is increased through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value;
and when the temperature of the lower coil pipe is smaller than the second difference value, reducing the opening degree of the lower electronic expansion valve through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value.
Specifically, with reference to the above embodiment, after the upper coil temperature sensor detects the current upper coil temperature of the upper evaporator, and the lower coil temperature sensor detects the current lower coil temperature of the lower evaporator, the indoor controller of the air conditioner calculates a second temperature difference between the detected upper coil temperature and a preset coil temperature threshold, compares the detected lower coil temperature with the calculated second temperature difference, and when the lower coil temperature is greater than the second temperature difference, it indicates that the opening degree of the lower electronic expansion valve is too small at this time (the initial opening degree of the lower electronic expansion valve may be set according to actual needs), increases the opening degree of the lower electronic expansion valve through the indoor controller until the lower coil temperature is equal to the second difference, stops increasing the opening degree of the lower electronic expansion valve, and when the lower coil temperature is less than the second temperature difference, when the opening degree of the lower electronic expansion valve is too large, the opening degree of the lower electronic expansion valve is reduced through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value, and the reduction of the opening degree of the lower electronic expansion valve is stopped, so that the cold air output by the lower air outlet is maintained at a certain temperature, the temperature of the cold air output by the lower air outlet is effectively prevented from being too low, the cold air can be prevented from blowing directly to a certain degree, and the comfort level is improved.
In yet another preferred embodiment, while adjusting the opening degree of the lower electronic expansion valve according to the upper coil temperature and the lower coil temperature, the method further includes:
the angle of the lower air deflector of the lower air outlet is adjusted through the indoor controller, so that the lower air deflector is adjusted to the minimum angle in any direction.
Specifically, in combination with the above embodiment, the indoor controller of the air conditioner adjusts the opening degree of the lower electronic expansion valve according to the detected upper coil temperature and lower coil temperature, so as to reduce the flow rate of the refrigerant flowing into the lower evaporator, so that the evaporation temperature of the lower evaporator is increased due to the reduction of the refrigerant flow rate, the outlet air temperature of the lower air outlet is increased, and meanwhile, the angle of the lower air deflector of the lower air outlet is adjusted by the indoor controller, so that the lower air deflector is adjusted to the minimum angle in any one of the upper direction, the lower direction, the left direction and the right direction, and thus, the direct blowing of cold air can be further prevented.
In still another preferred embodiment, while the opening degree of the lower electronic expansion valve is adjusted to the minimum opening degree by the indoor controller, the method further includes:
and adjusting the angle of the upper air deflector of the upper air outlet through the indoor controller, so that the upper air outlet outputs cold air upwards.
Specifically, with the above embodiment, the opening degree of the lower electronic expansion valve is adjusted to the minimum opening degree by the indoor controller, so that the lower refrigerant channel is in the closed state, the refrigerant flows into the upper evaporator through the liquid separator, the upper air outlet outputs cold air, and meanwhile, the angle of the upper air deflector of the upper air outlet is adjusted by the indoor controller, so that the upper air outlet outputs cold air upwards.
In the aspect of air flow control, the angle of the upper air deflector of the upper air outlet is adjusted, for example, the upper air deflector is horizontally inclined, so that cold air output by the upper air outlet is blown out obliquely upwards, and the cold air can be further prevented from blowing directly.
In yet another preferred embodiment, the method further comprises:
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls a lower fan corresponding to the lower air outlet to stop rotating, so that air is not discharged from the lower air outlet; or the like, or, alternatively,
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls the lower fan corresponding to the lower air outlet to operate, so that the lower air outlet outputs natural air.
Specifically, combine above-mentioned embodiment, be in the refrigeration mode when the air conditioner, and open when preventing the blow-through function, will be the aperture adjustment of electronic expansion valve down to minimum aperture through indoor controller, make lower refrigerant passageway be in the closed condition, only go up air outlet output cold wind, to lower air outlet, can be through the lower fan (lower motor) stall that indoor controller control lower air outlet corresponds, make lower air outlet not go out the air, also can continue to operate through the lower fan that indoor controller control lower air outlet corresponds, because lower refrigerant passageway that lower evaporimeter corresponds has closed this moment, the air can not carry out the heat transfer with lower evaporimeter when the evaporimeter down, consequently what air outlet output down is the natural wind the same with indoor air temperature.
As an improvement of the above scheme, an upper electronic expansion valve is disposed in an upper refrigerant passage between the upper evaporator and the liquid separator, and the upper electronic expansion valve is used for controlling the flow rate of the refrigerant and controlling the circulation and closing of the upper refrigerant passage.
Specifically, in combination with the above-mentioned embodiment, the upper refrigerant channel between the upper evaporator and the liquid separator is provided with the upper electronic expansion valve for controlling the flow rate of the refrigerant flowing into the upper evaporator through the upper refrigerant channel and controlling the circulation and closing of the upper refrigerant channel, so that the upper refrigerant channel can be controlled individually to realize different functions, such as a zoned air supply function (different temperatures and different speeds, different heights, different left and right temperatures, and the like), a temperature and humidity control function, a heating and cold air prevention function improvement, a defrosting improvement function, a sleep or silent mode improvement function, a non-cooling and dehumidifying function, and the like.
It should be noted that, the upper electronic expansion valve and the lower electronic expansion valve in the embodiment of the present invention may be disposed on the inlet side and the outlet side of the refrigerant flowing direction, preferably on the inlet side, and if disposed on the outlet side of the refrigerant flowing direction, since there are always more refrigerants and compressor lubricating oil remaining in the evaporator and cannot circulate in the whole refrigeration system, the compressor lubrication may be poor and the lifetime may be shortened or may fail.
As shown in fig. 3B and fig. 5, as an improvement of the above scheme, the upper air outlet includes a first upper air outlet and a second upper air outlet which are parallel to each other, the upper evaporator is divided into a first upper evaporator and a second upper evaporator by a first liquid distributor, the first upper evaporator corresponds to the first upper air outlet, and the second upper evaporator corresponds to the second upper air outlet; and/or the first and/or second light sources,
the lower air outlet comprises a first lower air outlet and a second lower air outlet which are arranged in parallel, the lower evaporator is divided into a first lower evaporator and a second lower evaporator through a second liquid distributor, the first lower evaporator corresponds to the first lower air outlet, and the second lower evaporator corresponds to the second lower air outlet.
Specifically, in combination with the above-mentioned embodiments, both the upper air outlet and the lower air outlet can be expanded into two or more parallel air outlets (as shown in fig. 5, the lower air outlet is expanded into a first lower air outlet and a second lower air outlet which are parallel up and down), and correspondingly, the upper evaporator and the lower evaporator also need to be divided into two or more evaporators by the liquid distributor, each evaporator corresponds to one air outlet, and a corresponding electronic expansion valve can be arranged in a refrigerant channel (such as a refrigerant inlet) corresponding to each partial evaporator, and is used for controlling the flow rate of the refrigerant flowing through and controlling the circulation and closing of the corresponding refrigerant channel, each partial evaporator and the air outlet can be controlled individually or in combination, thereby realize more air-out combination schemes to can carry out more careful regulation to the air conditioner, the travelling comfort is better.
The embodiment of the invention also provides a device for controlling refrigeration and direct blowing prevention of an air conditioner, which can realize all the processes of the control method for preventing refrigeration and direct blowing of the air conditioner in any embodiment, and the functions and the realized technical effects of all the modules in the device are respectively the same as those of the control method for preventing refrigeration and direct blowing of the air conditioner in the embodiment, and are not repeated herein.
Referring to fig. 6, it is a block diagram of a preferred embodiment of a control device for preventing direct blowing during refrigeration of an air conditioner, the device is installed in an air conditioner with two air outlets arranged longitudinally, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, and the upper air outlet and the lower air outlet correspond to separate air ducts respectively; the evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid separator, the upper evaporator corresponds to the upper air outlet, and the lower evaporator corresponds to the lower air outlet; the upper evaporator is provided with an upper coil temperature sensor, and the lower evaporator is provided with a lower coil temperature sensor; a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid separator and is used for controlling the flow of the refrigerant and controlling the circulation and closing of the lower refrigerant channel; the device comprises:
the first direct-blowing prevention control module 11 is configured to, when the air conditioner is in a cooling mode and the direct-blowing prevention function is turned on, detect a temperature of an upper coil of the upper evaporator by using the upper coil temperature sensor, detect a temperature of a lower coil of the lower evaporator by using the lower coil temperature sensor, and adjust an opening of the lower electronic expansion valve according to the temperature of the upper coil and the temperature of the lower coil, so as to reduce a flow rate of a refrigerant flowing into the lower evaporator;
and the second direct-blowing prevention control module 12 is used for detecting the current indoor environment temperature through a temperature sensor, calculating a first difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner, and when the first difference value is not greater than a preset temperature threshold value, adjusting the opening degree of the lower electronic expansion valve to a minimum opening degree through an indoor controller, so that the lower refrigerant channel is in a closed state, the refrigerant flows into the upper evaporator through the liquid distributor, and the upper air outlet outputs cold air to realize a direct-blowing prevention function.
Preferably, the first anti-blow-through control module 11 specifically adjusts the opening degree of the lower electronic expansion valve according to the upper coil pipe temperature and the lower coil pipe temperature by the following steps:
calculating a second difference value between the upper coil temperature and a preset coil temperature threshold value;
comparing the lower coil temperature to the second difference;
when the temperature of the lower coil pipe is larger than the second difference value, the opening degree of the lower electronic expansion valve is increased through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value;
and when the temperature of the lower coil pipe is smaller than the second difference value, reducing the opening degree of the lower electronic expansion valve through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value.
Preferably, while adjusting the opening degree of the lower electronic expansion valve according to the upper coil pipe temperature and the lower coil pipe temperature, the apparatus further includes:
and the lower air deflector adjusting module is used for adjusting the angle of the lower air deflector of the lower air outlet through the indoor controller so that the lower air deflector is adjusted to the minimum angle in any direction.
Preferably, while the opening degree of the lower electronic expansion valve is adjusted to the minimum opening degree by the indoor controller, the apparatus further comprises:
and the upper air deflector adjusting module is used for adjusting the angle of the upper air deflector of the upper air outlet through the indoor controller so that the upper air outlet outputs cold air upwards.
Preferably, the apparatus further comprises a lower fan control module for:
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls a lower fan corresponding to the lower air outlet to stop rotating, so that air is not discharged from the lower air outlet; or the like, or, alternatively,
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls the lower fan corresponding to the lower air outlet to operate, so that the lower air outlet outputs natural air.
Preferably, an upper electronic expansion valve is disposed in an upper refrigerant passage between the upper evaporator and the liquid separator, and the upper electronic expansion valve is configured to control a flow rate of the refrigerant and control circulation and closing of the upper refrigerant passage.
Preferably, the upper air outlet includes a first upper air outlet and a second upper air outlet which are parallel, the upper evaporator is divided into a first upper evaporator and a second upper evaporator by a first liquid divider, the first upper evaporator corresponds to the first upper air outlet, and the second upper evaporator corresponds to the second upper air outlet; and/or the first and/or second light sources,
the lower air outlet comprises a first lower air outlet and a second lower air outlet which are arranged in parallel, the lower evaporator is divided into a first lower evaporator and a second lower evaporator through a second liquid distributor, the first lower evaporator corresponds to the first lower air outlet, and the second lower evaporator corresponds to the second lower air outlet.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; when the computer program runs, the device where the computer readable storage medium is located is controlled to execute the method for controlling cooling and blow-through prevention of the air conditioner according to any one of the above embodiments.
An embodiment of the present invention further provides an air conditioner, which is shown in fig. 7 and is a block diagram of a preferred embodiment of the air conditioner provided by the present invention, the air conditioner includes a processor 10, a memory 20, and a computer program stored in the memory 20 and configured to be executed by the processor 10, and the processor 10, when executing the computer program, implements the control method for preventing air conditioner from cooling and directly blowing according to any of the embodiments.
Preferably, the computer program can be divided into one or more modules/units (e.g. computer program 1, computer program 2,) which are stored in the memory 20 and executed by the processor 10 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program in the air conditioner.
The Processor 10 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc., the general purpose Processor may be a microprocessor, or the Processor 10 may be any conventional Processor, the Processor 10 is a control center of the air conditioner, and various interfaces and lines are used to connect various parts of the air conditioner.
The memory 20 mainly includes a program storage area that may store an operating system, an application program required for at least one function, and the like, and a data storage area that may store related data and the like. In addition, the memory 20 may be a high speed random access memory, may also be a non-volatile memory, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card), and the like, or the memory 20 may also be other volatile solid state memory devices.
It should be noted that the air conditioner may include, but is not limited to, a processor and a memory, and those skilled in the art will understand that the structural block diagram of fig. 7 is only an example of the air conditioner, and does not constitute a limitation of the air conditioner, and may include more or less components than those shown, or combine some components, or different components.
To sum up, the embodiment of the invention provides a method and a device for controlling refrigeration and direct blowing prevention of an air conditioner, a computer-readable storage medium and the air conditioner, wherein the air conditioner is longitudinally provided with two air outlets, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, the upper air outlet and the lower air outlet respectively correspond to separate air channels, an evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid distributor, the upper evaporator corresponds to the upper air outlet, the lower evaporator corresponds to the lower air outlet, the upper evaporator is provided with an upper coil temperature sensor, the lower evaporator is provided with a lower coil temperature sensor, a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid distributor, and the lower electronic expansion valve is used for controlling the flow of a refrigerant and controlling the circulation and the closing of the lower refrigerant; when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the upper coil pipe temperature of the upper evaporator is detected through the upper coil pipe temperature sensor, the lower coil pipe temperature of the lower evaporator is detected through the lower coil pipe temperature sensor, the opening degree of the lower electronic expansion valve is adjusted according to the upper coil pipe temperature and the lower coil pipe temperature so as to reduce the flow rate of refrigerant flowing into the lower evaporator, meanwhile, the current indoor environment temperature is detected through the temperature sensor, a first difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner is calculated, when the first difference value is not larger than a preset temperature threshold value, the opening degree of the lower electronic expansion valve is adjusted to the minimum opening degree through the indoor controller, the lower refrigerant channel is in a closed state, the refrigerant flows into the upper evaporator through the liquid distributor, the upper air outlet outputs cold air, the direct blowing prevention function is realized, and the indoor temperature requirement can be maintained, effectively prevent cold wind from blowing directly to make indoor temperature even, thereby improve the travelling comfort.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A control method for preventing air conditioner refrigeration from direct blowing is characterized in that the method is suitable for an air conditioner with two air outlets arranged longitudinally, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, and the upper air outlet and the lower air outlet respectively correspond to separate air channels; the evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid separator, the upper evaporator corresponds to the upper air outlet, and the lower evaporator corresponds to the lower air outlet; the upper evaporator is provided with an upper coil temperature sensor, and the lower evaporator is provided with a lower coil temperature sensor; a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid separator and is used for controlling the flow of the refrigerant and controlling the circulation and closing of the lower refrigerant channel; the method comprises the following steps:
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, detecting the temperature of an upper coil of the upper evaporator through the upper coil temperature sensor, detecting the temperature of a lower coil of the lower evaporator through the lower coil temperature sensor, and adjusting the opening of the lower electronic expansion valve according to the temperature of the upper coil and the temperature of the lower coil so as to reduce the flow of a refrigerant flowing into the lower evaporator;
detect current indoor ambient temperature through temperature sensor to calculate current indoor ambient temperature with the first difference of the refrigeration settlement temperature of air conditioner, when first difference is not more than predetermined temperature threshold value, will through indoor controller the aperture of lower electronic expansion valve is adjusted to minimum aperture, makes down the refrigerant passageway is in the closed condition, and the refrigerant passes through the knockout flows in go up the evaporimeter, go up air outlet output cold wind to realize preventing directly blowing function.
2. The method for controlling cooling and blow-through prevention of an air conditioner according to claim 1, wherein the method adjusts the opening degree of the lower electronic expansion valve according to the upper coil temperature and the lower coil temperature by:
calculating a second difference value between the upper coil temperature and a preset coil temperature threshold value;
comparing the lower coil temperature to the second difference;
when the temperature of the lower coil pipe is larger than the second difference value, the opening degree of the lower electronic expansion valve is increased through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value;
and when the temperature of the lower coil pipe is smaller than the second difference value, reducing the opening degree of the lower electronic expansion valve through the indoor controller until the temperature of the lower coil pipe is equal to the second difference value.
3. The method for controlling cooling and blow-through prevention of an air conditioner according to claim 1, wherein while adjusting the opening degree of the lower electronic expansion valve according to the upper coil temperature and the lower coil temperature, the method further comprises:
the angle of the lower air deflector of the lower air outlet is adjusted through the indoor controller, so that the lower air deflector is adjusted to the minimum angle in any direction.
4. The method of controlling cooling and blow-through prevention of an air conditioner according to claim 1, wherein while the opening degree of the lower electronic expansion valve is adjusted to a minimum opening degree by an indoor controller, the method further comprises:
and adjusting the angle of the upper air deflector of the upper air outlet through the indoor controller, so that the upper air outlet outputs cold air upwards.
5. The method for controlling cooling blow-through prevention of an air conditioner as set forth in claim 1, wherein said method further includes:
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls a lower fan corresponding to the lower air outlet to stop rotating, so that air is not discharged from the lower air outlet; or the like, or, alternatively,
when the air conditioner is in a refrigeration mode and the direct blowing prevention function is started, the indoor controller controls the lower fan corresponding to the lower air outlet to operate, so that the lower air outlet outputs natural air.
6. An air conditioner refrigeration blow-through prevention control method as claimed in any one of claims 1 to 5, wherein an upper electronic expansion valve is provided in an upper refrigerant passage between the upper evaporator and the liquid separator, the upper electronic expansion valve being used for controlling the flow rate of the refrigerant and controlling the circulation and closing of the upper refrigerant passage.
7. The method as claimed in any one of claims 1 to 5, wherein the upper outlet comprises a first upper outlet and a second upper outlet arranged side by side, the upper evaporator is divided into a first upper evaporator and a second upper evaporator by a first liquid divider, the first upper evaporator corresponds to the first upper outlet, and the second upper evaporator corresponds to the second upper outlet; and/or the first and/or second light sources,
the lower air outlet comprises a first lower air outlet and a second lower air outlet which are arranged in parallel, the lower evaporator is divided into a first lower evaporator and a second lower evaporator through a second liquid distributor, the first lower evaporator corresponds to the first lower air outlet, and the second lower evaporator corresponds to the second lower air outlet.
8. A control device for preventing direct blowing during refrigeration of an air conditioner is characterized in that the device is installed in the air conditioner with two air outlets longitudinally, an upper air outlet is arranged at the top of the air conditioner, a lower air outlet is arranged in the middle of the air conditioner, and the upper air outlet and the lower air outlet respectively correspond to separate air channels; the evaporator of the air conditioner is divided into an upper evaporator and a lower evaporator through a liquid separator, the upper evaporator corresponds to the upper air outlet, and the lower evaporator corresponds to the lower air outlet; the upper evaporator is provided with an upper coil temperature sensor, and the lower evaporator is provided with a lower coil temperature sensor; a lower electronic expansion valve is arranged in a lower refrigerant channel between the lower evaporator and the liquid separator and is used for controlling the flow of the refrigerant and controlling the circulation and closing of the lower refrigerant channel; the device comprises:
the first direct-blowing prevention control module is used for detecting the temperature of an upper coil of the upper evaporator through the upper coil temperature sensor and the temperature of a lower coil of the lower evaporator through the lower coil temperature sensor when the air conditioner is in a refrigeration mode and the direct-blowing prevention function is started, and adjusting the opening of the lower electronic expansion valve according to the temperature of the upper coil and the temperature of the lower coil so as to reduce the flow of refrigerant flowing into the lower evaporator;
and the second direct-blowing prevention control module is used for detecting the current indoor environment temperature through the temperature sensor and calculating a first difference value between the current indoor environment temperature and the refrigeration set temperature of the air conditioner, when the first difference value is not larger than a preset temperature threshold value, the opening degree of the lower electronic expansion valve is adjusted to be the minimum opening degree through the indoor controller, so that the lower refrigerant channel is in a closed state, the refrigerant flows into the upper evaporator through the liquid distributor, and the upper air outlet outputs cold air to realize the direct-blowing prevention function.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program; wherein the computer program controls the device where the computer readable storage medium is located to execute the control method for preventing the air conditioner from refrigerating and directly blowing when running according to any one of claims 1 to 7.
10. An air conditioner, comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the control method for preventing air conditioner from cooling and blow-through when executing the computer program according to any one of claims 1 to 7.
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Application publication date: 20200417 |
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