CN112325458B - Air conditioner control method, computer device, and computer-readable storage medium - Google Patents
Air conditioner control method, computer device, and computer-readable storage medium Download PDFInfo
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- CN112325458B CN112325458B CN202011222746.9A CN202011222746A CN112325458B CN 112325458 B CN112325458 B CN 112325458B CN 202011222746 A CN202011222746 A CN 202011222746A CN 112325458 B CN112325458 B CN 112325458B
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- frequency
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- temperature
- condenser
- air conditioner
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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
- F24F11/64—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
- F24F11/70—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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The invention provides an air conditioner control method, a computer device and a computer readable storage medium, wherein the method comprises the following steps: when the overload frequency reduction mode is entered, judging whether the phase current of the compressor is greater than or equal to the phase current of the low-frequency limit of the compressor, if so, acquiring the temperature of the condenser; the compressor operating frequency is controlled according to the range in which the condenser temperature is located. The computer device comprises a controller, and the controller is used for realizing the air conditioner control method when executing the computer program stored in the memory. The computer-readable storage medium, on which a computer program is stored, the computer program, when executed by a controller, implementing the air-conditioning control method described above. By applying the air conditioner control method, the problem that the frequency of the compressor cannot be reduced due to overhigh current of the compressor after the air conditioner enters an overload frequency reduction mode can be avoided, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method, a computer device applying the air conditioner control method and a computer readable storage medium applying the air conditioner control method.
Background
The air conditioner is a temperature control device, and aims to improve the comfort of users, and the variable frequency air conditioner can adjust the operation frequency in real time according to the actual use environment, so the comfort of the users is higher. However, in the use process of the variable frequency air conditioner, under severe environment or special conditions and when the load of an air conditioning system is overlarge, the air conditioner can perform frequency limiting and frequency reducing treatment in order to ensure reliable operation, so that the air conditioner is prevented from being shut down in a protection mode and even being damaged. However, since the conventional inverter compressor is complex to control, in order to prevent the situation that the compressor has low frequency and large current (which may cause unstable control or even shutdown of the compressor), a low-frequency limiting current value of the compressor is set, and when the compressor current is greater than the low-frequency limiting current value, the air conditioner is prohibited from further reducing the operating frequency of the compressor, so that when the air conditioner enters an overload frequency-reduction mode, the compressor current is too high, thereby limiting the operating frequency of the compressor from further reducing the frequency, causing the load of the whole machine to be unable to be reduced, and finally, the situation of protective shutdown occurs.
Therefore, the problem that the load of the whole machine cannot be reduced due to the fact that the frequency of the compressor is limited to be lowered because the current of the compressor is too high needs to be further solved.
Disclosure of Invention
The first purpose of the present invention is to provide an air conditioner control method that can avoid the situation that the frequency of the compressor cannot be reduced due to the over-high current of the compressor after entering the overload frequency reduction mode, and improve the user experience.
The second objective of the present invention is to provide a computer device capable of avoiding the situation that the frequency of the compressor cannot be reduced due to the over-high current of the compressor after entering the overload frequency-reduction mode, thereby improving the user experience.
A third objective of the present invention is to provide a computer-readable storage medium capable of avoiding that the frequency of a compressor cannot be reduced due to too high current of the compressor after entering an overload frequency-reduction mode, and improving user experience.
In order to achieve the first object, the present invention provides an air conditioner control method comprising: when the overload frequency reduction mode is entered, judging whether the phase current of the compressor is greater than or equal to the phase current of the low-frequency limit of the compressor, if so, acquiring the temperature of the condenser; the compressor operating frequency is controlled according to the range in which the condenser temperature is located.
According to the scheme, when the air conditioner control method enters the overload frequency reduction mode, the compressor is still in an overload state after the overload frequency reduction mode is entered according to the magnitude of the phase current of the compressor, the operating frequency of the compressor is controlled according to the temperature range of the condenser, the frequency control opportunity of the compressor is intelligently judged, the control accuracy is improved, the problem that the frequency of the compressor cannot be reduced due to overhigh current of the compressor is avoided, and the user experience is improved while the reliability of the air conditioner is ensured.
In a further aspect, the step of controlling the compressor operating frequency according to the range of the condenser temperature comprises: when the temperature of the condenser is smaller than a first temperature threshold value, the overload frequency reduction mode is exited; when the temperature of the condenser is greater than or equal to a first temperature threshold and less than a second temperature threshold, the compressor is maintained to operate at the current compressor operation frequency; when the temperature of the condenser is greater than or equal to the second temperature threshold and less than a third temperature threshold, reducing the frequency of the current compressor operation frequency by a preset amplitude; entering an overload protection shutdown mode when the condenser temperature is greater than or equal to a third temperature threshold.
Therefore, when the operation frequency of the compressor is controlled according to the range of the condenser temperature, the range of the condenser temperature can be accurately controlled, the control performance of the air conditioner is improved, the operation performance of the air conditioner is ensured, and the experience of a user is improved.
In a further aspect, after the step of down-converting the current compressor operating frequency by a predetermined amplitude, the method further includes: judging whether the running frequency of the compressor after the frequency reduction is less than or equal to the minimum reliable running frequency or not, and if so, acquiring the temperature of the condenser after the frequency reduction; and controlling the running frequency of the compressor according to the range of the temperature of the condenser subjected to frequency reduction.
Therefore, in order to guarantee the operation performance of the air conditioner, after the current compressor operation frequency is subjected to frequency reduction by a preset amplitude, whether the operation frequency of the compressor subjected to frequency reduction is smaller than or equal to the minimum reliable operation frequency needs to be further judged, and when the operation frequency of the compressor subjected to frequency reduction is smaller than or equal to the minimum reliable operation frequency, the operation frequency of the compressor is further controlled through the range of the temperature of the condenser subjected to frequency reduction, so that the control accuracy of the air conditioner is improved, and the reliability of the air conditioner is improved.
In a further aspect, the step of controlling the operating frequency of the compressor according to the range of the temperature of the down-converted condenser includes: when the temperature of the condenser after the frequency reduction is smaller than a first temperature threshold value, the overload frequency reduction mode is exited; when the temperature of the condenser after the frequency reduction is greater than or equal to the first temperature threshold and less than a third temperature threshold, the compressor is maintained to operate at the minimum reliable operation frequency; and when the temperature of the condenser after the frequency reduction is greater than or equal to a third temperature threshold value, entering an overload protection shutdown mode.
Therefore, the running frequency of the compressor is accurately controlled in the range of the temperature of the condenser subjected to frequency reduction, the control performance of the air conditioner is improved, and the user experience is improved.
In a further aspect, the overload down-conversion mode is: the compressor is controlled to operate at a preset limit frequency.
Therefore, when the frequency conversion mode is overloaded, the compressor is controlled to operate at the preset limit frequency, and the protective shutdown caused by overhigh operation frequency of the compressor is prevented.
In a further aspect, before entering the overload down-conversion mode, the method further includes: and judging whether the air conditioner meets the condition of entering the overload frequency reduction mode, and if so, entering the overload frequency reduction mode.
Therefore, before entering the overload frequency reduction mode, whether the air conditioner meets the condition of entering the overload frequency reduction mode needs to be judged, and the air conditioner enters the overload frequency reduction mode when the condition is met, so that the running performance of the air conditioner is guaranteed.
In a further aspect, the condition for entering the overload down-conversion mode includes: the current of the whole air conditioner is greater than a first preset current value; or the compressor phase current is greater than a second preset current value.
Therefore, the overload frequency reduction mode is triggered in various modes, and the reliability of the air conditioner is improved.
In order to achieve the second object of the present invention, the present invention provides a computer device including a processor and a memory, wherein the memory stores a computer program, and the computer program implements the steps of the air conditioner control method when being executed by the processor.
In order to achieve the third object of the present invention, the present invention provides a computer readable storage medium having stored thereon a computer program, which when executed by a controller, implements the steps of the air conditioner control method described above.
Drawings
Fig. 1 is a flowchart of an embodiment of an air conditioner control method according to the present invention.
Fig. 2 is a flowchart of the steps of controlling the operating frequency of the compressor according to the range of the condenser temperature in the embodiment of the air conditioning control method of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
The air conditioner control method is an application program applied to an air conditioner and is used for avoiding that the frequency of the compressor cannot be reduced due to overhigh current of the compressor after the air conditioner enters an overload frequency reduction mode. The invention also provides a computer device which comprises a controller, wherein the controller is used for realizing the steps of the air conditioner control method when executing the computer program stored in the memory. The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a controller, implements the steps of the air-conditioning control method described above.
The embodiment of the air conditioner control method comprises the following steps:
the air conditioner control method is an application program in the air conditioner and is used for avoiding that the frequency of the compressor cannot be reduced due to overhigh current of the compressor after the air conditioner enters an overload frequency reduction mode.
As shown in fig. 1, when the air conditioner control method according to the present invention is in operation, step S1 is executed first to determine whether the air conditioner satisfies the condition for entering the overload frequency reduction mode. In order to prevent the compressor from being shut down due to protection when the operating frequency of the compressor is too high, whether the air conditioner meets the condition of entering the overload frequency reduction mode needs to be judged, so that the air conditioner can enter the overload frequency reduction mode when the condition is met, and the safe operation of the air conditioner is guaranteed. The condition for entering the overload down-conversion mode can be set according to actual needs, and in this embodiment, the condition for entering the overload down-conversion mode includes: the bus current of the whole air conditioner is greater than a first preset current value; or the compressor phase current is greater than a second preset current value.
If the condition for entering the overload frequency-reducing mode is not satisfied, the step S1 is continuously executed to continuously detect whether the air conditioner satisfies the condition for entering the overload frequency-reducing mode. When the air conditioner satisfies the condition of entering the overload down-conversion mode, step S2 is executed to enter the overload down-conversion mode. Wherein, the overload frequency-reducing mode is as follows: the compressor is controlled to operate at a preset limit frequency. And when in the overload frequency reduction mode, the compressor is controlled to operate at a preset limit frequency, so that the protective shutdown caused by overhigh operation frequency of the compressor is prevented.
When entering the overload frequency-reducing mode, step S3 is executed to determine whether the phase current of the compressor is greater than or equal to the phase current of the low-frequency-limiting of the compressor. And the low-frequency limiting phase current of the compressor is obtained according to experimental data. After entering the overload frequency reduction mode, the compressor runs at the preset limit frequency, under the normal condition, the running frequency of the compressor is reduced, so that the load of the air conditioner is reduced, but when the load of the whole machine is higher, the current of the compressor is overhigh, so that the running frequency of the compressor is limited to be further reduced, and therefore, after the compressor runs at the preset limit frequency, whether the phase current of the compressor is overhigh is judged.
If the phase current of the compressor is smaller than the phase current of the low-frequency limit of the compressor, the current of the compressor is considered to be in the acceptable range, and therefore, the step S2 is continuously executed, the overload frequency reduction mode is entered, and the compressor is controlled to operate at the preset limit frequency.
If the phase current of the compressor is judged to be greater than or equal to the phase current of the low-frequency limiting frequency of the compressor, the step S4 is executed to obtain the temperature of the condenser. After the compressor operates at the preset limiting frequency, the phase current of the compressor is greater than or equal to the phase current of the low-frequency limit of the compressor, and the phase current of the compressor is considered to be too high, so that the operating frequency of the compressor cannot be effectively reduced, and therefore further frequency reduction measures need to be taken. The condenser temperature is one of important parameters for judging the air conditioning load, and the air conditioning load can be judged according to the condenser temperature. Therefore, when the phase current of the compressor is greater than or equal to the phase current of the low-frequency limiting frequency of the compressor, the temperature of the condenser is obtained so as to further control the frequency of the compressor.
After the condenser temperature is obtained, step S5 is executed to control the compressor operation frequency according to the range of the condenser temperature. After the temperature of the condenser is obtained, in order to better control the frequency of the compressor, the time for controlling the frequency of the compressor is intelligently judged, and the operation frequency of the compressor is controlled according to the range of the temperature of the condenser, so that the operation performance of the air conditioner is ensured, and meanwhile, the condition that the frequency of the compressor cannot be reduced due to overhigh current of the compressor is avoided.
In this embodiment, the step of controlling the operating frequency of the compressor according to the range of the condenser temperature includes: and when the condenser temperature is less than the first temperature threshold, the overload frequency reduction mode is exited. The first temperature threshold is preset according to experimental data. When the operation frequency of the compressor is controlled according to the range of the temperature of the condenser, if the temperature of the condenser is smaller than a first temperature threshold value, the air conditioner can normally operate, and therefore, the overload frequency reduction mode exits, and the air conditioner enters a normal working state.
The step of controlling the compressor operating frequency according to the range in which the condenser temperature is located further comprises: when the condenser temperature is greater than or equal to the first temperature threshold and less than the second temperature threshold, the compressor is maintained operating at the current compressor operating frequency. The second temperature threshold is preset according to experimental data, and the second temperature threshold is larger than the first temperature threshold. If the condenser temperature is greater than or equal to the first temperature threshold and less than the second temperature threshold, it is considered that the compressor operation frequency needs to be prevented from further increasing, and meanwhile, in order to guarantee the user experience, the compressor is maintained to operate at the current compressor operation frequency.
Referring to fig. 2, when the step of controlling the operating frequency of the compressor according to the range of the condenser temperature is performed, step S11 is further performed to determine whether the condenser temperature is greater than or equal to the second temperature threshold and less than the third temperature threshold. If not, the process returns to step S11. If yes, step S12 is executed to down-convert the current compressor operating frequency by a predetermined amplitude. When the temperature of the condenser is greater than or equal to the second temperature threshold and less than the third temperature threshold, the operation frequency of the compressor is considered to be too high, but still in a controllable state, the operation frequency of the compressor needs to be further reduced, and the operation performance of the air conditioner is guaranteed. The third temperature threshold and the preset amplitude are preset according to experimental data, and the third temperature threshold is larger than the second temperature threshold.
After the current compressor operating frequency is down-converted by the preset amplitude, step S13 is executed to determine whether the down-converted compressor operating frequency is less than or equal to the minimum reliable operating frequency. In order to guarantee the operation performance of the air conditioner and the experience of a user, after the frequency reduction, whether the operation frequency of the compressor after the frequency reduction is smaller than or equal to the minimum reliable operation frequency needs to be judged.
And when the running frequency of the compressor after the frequency reduction is greater than the minimum reliable running frequency, returning to the step S11 to judge whether the frequency reduction is needed again. When the operating frequency of the compressor after frequency reduction is less than or equal to the minimum reliable operating frequency, step S14 is executed to obtain the condenser temperature after frequency reduction. When the operating frequency of the compressor after frequency reduction is less than or equal to the minimum reliable operating frequency, the load state of the air conditioner needs to be further judged so as to further control the operating frequency of the compressor, and therefore, the temperature of the condenser after frequency reduction needs to be obtained to determine the load state of the air conditioner.
After the temperature of the condenser after the frequency reduction is obtained, step S15 is executed, and the operating frequency of the compressor is controlled according to the range of the temperature of the condenser after the frequency reduction. When the running frequency of the compressor after frequency reduction is less than or equal to the minimum reliable running frequency, the running frequency of the compressor is further controlled through the range of the temperature of the condenser after frequency reduction, the control accuracy of the air conditioner is improved, and therefore the reliability of the air conditioner is improved.
In this embodiment, the step of controlling the operating frequency of the compressor according to the range of the temperature of the down-converted condenser includes: when the temperature of the condenser after the frequency reduction is smaller than a first temperature threshold value, the overload frequency reduction mode is exited; when the temperature of the condenser after the frequency reduction is greater than or equal to the first temperature threshold and less than a third temperature threshold, the compressor is maintained to operate at the minimum reliable operation frequency; and when the temperature of the condenser after the frequency reduction is greater than or equal to a third temperature threshold value, entering an overload protection shutdown mode.
When the operation frequency of the compressor is controlled according to the range of the temperature of the condenser after frequency reduction, if the temperature of the condenser after frequency reduction is smaller than a first temperature threshold value, the air conditioner can normally operate, and therefore, the air conditioner exits from an overload frequency reduction mode and enters a normal working state. If the temperature of the condenser after the frequency reduction is greater than or equal to the first temperature threshold and less than the third temperature threshold, it is considered that the operation frequency of the compressor needs to be prevented from further increasing, and meanwhile, in order to guarantee the user experience, the compressor is maintained to operate at the minimum reliable operation frequency. When the temperature of the condenser after the frequency reduction is greater than or equal to the third temperature threshold value, the operation frequency of the compressor is considered to exceed the controllable range, and an overload protection shutdown mode needs to be entered to avoid the damage of the air conditioner.
Further, the step of controlling the compressor operation frequency according to the range in which the condenser temperature is located when step S5 is performed further includes: entering an overload protection shutdown mode when the condenser temperature is greater than or equal to a third temperature threshold. When the temperature of the condenser is greater than or equal to the third temperature threshold value, the running frequency of the compressor exceeds a controllable range, an overload protection shutdown mode needs to be entered, and the air conditioner is prevented from being damaged.
The embodiment of the computer device comprises:
the computer device of the embodiment comprises a controller, and the steps in the air conditioner control method embodiment are realized when the controller executes a computer program.
For example, a computer program may be partitioned into one or more modules, which are stored in a memory and executed by a controller to implement the present invention. One or more of the modules may be a sequence of computer program instruction segments for describing the execution of a computer program in a computer device that is capable of performing certain functions.
The computer device may include, but is not limited to, a controller, a memory. Those skilled in the art will appreciate that the computer apparatus may include more or fewer components, or combine certain components, or different components, e.g., the computer apparatus may also include input-output devices, network access devices, buses, etc.
For example, the controller may be a Central Processing Unit (CPU), other general purpose controller, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable Gate Array (FPGA) or other programmable logic device, discrete Gate or transistor logic, discrete hardware components, and so on. The general controller may be a microcontroller or the controller may be any conventional controller or the like. The controller is the control center of the computer device and connects the various parts of the entire computer device using various interfaces and lines.
The memory may be used to store computer programs and/or modules, and the controller may implement various functions of the computer apparatus by executing or otherwise executing the computer programs and/or modules stored in the memory and invoking data stored in the memory. For example, the memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (e.g., a sound receiving function, a sound-to-text function, etc.), and the like; the storage data area may store data (e.g., audio data, text data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Computer-readable storage medium embodiments:
the modules integrated by the computer apparatus of the above embodiments, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on such understanding, all or part of the flow of the air conditioner control method embodiment may also be implemented by instructing related hardware through a computer program, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a controller, the steps of the air conditioner control method embodiment may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The storage medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
Therefore, when the air conditioner control method enters the overload frequency reduction mode, the compressor is still in an overload state after the overload frequency reduction mode is entered according to the judgment of the phase current of the compressor, the operating frequency of the compressor is controlled according to the temperature range of the condenser, the frequency control opportunity of the compressor is intelligently judged, the control accuracy is improved, the problem that the frequency of the compressor cannot be reduced due to overhigh current of the compressor is avoided, and the user experience is improved while the reliability of the air conditioner is ensured.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept also fall within the protection scope of the present invention.
Claims (6)
1. An air conditioner control method is characterized in that: the method comprises the following steps:
judging whether the air conditioner meets the condition of entering an overload frequency reduction mode, if so, entering the overload frequency reduction mode, wherein the condition of entering the overload frequency reduction mode comprises the following steps: the bus current of the whole air conditioner is greater than a first preset current value or the phase current of the compressor is greater than a second preset current value;
when the overload frequency reduction mode is entered, judging whether the phase current of the compressor is greater than or equal to the phase current of the low-frequency limit of the compressor, if so, acquiring the temperature of the condenser;
controlling the running frequency of the compressor according to the temperature range of the condenser;
wherein the step of controlling the compressor operating frequency according to the range in which the condenser temperature is located comprises: exiting the overload down mode when the condenser temperature is less than a first temperature threshold; when the condenser temperature is greater than or equal to the first temperature threshold and less than a second temperature threshold, the compressor is maintained to operate at a current compressor operating frequency; when the temperature of the condenser is greater than or equal to the second temperature threshold and less than a third temperature threshold, reducing the frequency of the current compressor operation frequency by a preset amplitude; entering an overload protection shutdown mode when the condenser temperature is greater than or equal to the third temperature threshold.
2. The air conditioner control method according to claim 1, characterized in that:
after the step of down-converting the current compressor operating frequency by the preset magnitude, the method further comprises:
judging whether the running frequency of the compressor after the frequency reduction is less than or equal to the minimum reliable running frequency or not, and if so, acquiring the temperature of the condenser after the frequency reduction;
and controlling the running frequency of the compressor according to the range of the temperature of the condenser subjected to frequency reduction.
3. The air conditioner control method according to claim 2, characterized in that:
the step of controlling the operating frequency of the compressor according to the range of the temperature of the down-converted condenser comprises the following steps:
when the temperature of the condenser after the frequency reduction is smaller than the first temperature threshold value, the overload frequency reduction mode is exited;
when the de-clocked condenser temperature is greater than or equal to the first temperature threshold and less than the third temperature threshold, the compressor is maintained operating at the minimum reliable operating frequency;
and when the temperature of the condenser after the frequency reduction is greater than or equal to the third temperature threshold value, entering an overload protection shutdown mode.
4. The air conditioner control method according to any one of claims 1 to 3, characterized in that:
the overload frequency reduction mode is as follows:
the compressor is controlled to operate at a preset limit frequency.
5. A computer device comprising a processor and a memory, wherein: the memory stores a computer program that, when executed by the processor, implements the steps of the air conditioning control method according to any one of claims 1 to 4.
6. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when executed by a controller, implements the steps of the air conditioning control method of any of claims 1 to 4.
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| CN113310186A (en) * | 2021-06-02 | 2021-08-27 | 四川长虹空调有限公司 | Control method for compressor at high temperature of variable frequency air conditioner coil pipe |
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| CN114110985B (en) * | 2021-11-30 | 2023-10-27 | 佛山市顺德区和而泰电子科技有限公司 | Compressor frequency control method of variable frequency air conditioner |
| CN114234358B (en) * | 2021-12-27 | 2022-12-13 | 珠海格力电器股份有限公司 | Air conditioner shutdown protection adjusting method and air conditioner |
| CN115164354B (en) * | 2022-07-08 | 2023-09-22 | 宁波奥克斯电气股份有限公司 | Down-conversion protection control method and device, air conditioner and storage medium |
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