CN113587356A - Control method and device for preventing heating of air conditioner from being blocked and air conditioner - Google Patents
Control method and device for preventing heating of air conditioner from being blocked and air conditioner Download PDFInfo
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- CN113587356A CN113587356A CN202110614982.3A CN202110614982A CN113587356A CN 113587356 A CN113587356 A CN 113587356A CN 202110614982 A CN202110614982 A CN 202110614982A CN 113587356 A CN113587356 A CN 113587356A
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—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
- F24F11/88—Electrical aspects, e.g. 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method and a control device for preventing heating of an air conditioner from being blocked and the air conditioner, wherein the method comprises the following steps: if the air conditioner heats until the temperature of the inner ring reaches the preset temperature, stopping the air conditioner; if the shutdown time is longer than or equal to the restart time, restarting heating; acquiring the running time when the temperature of an inner ring of the air conditioner reaches a first temperature threshold; and increasing and decreasing the restart duration according to the operation duration. According to the invention, the heating is forcibly restarted by setting the restarting time length, and the restarting time length is increased or decreased according to the operation time length when the temperature of the inner ring reaches the temperature, so that the heating can be prevented from being held back, the indoor comfort is ensured, the restarting frequency can be reduced, and the energy is saved and the consumption is reduced on the premise of not changing the appearance and not causing the cold wind blowing problem.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and device for preventing heating of an air conditioner from being blocked and the air conditioner.
Background
When the air conditioner is in heating operation, when the indoor temperature is increased to a set value, the air conditioner is stopped when reaching the temperature; after the air conditioner is shut down, the temperature of a heat exchanger in an inner machine of the air conditioner is still high, if an inner motor and an air guide door are directly closed, a closed environment is formed inside the inner machine, waste heat of the heat exchanger cannot be dissipated, and therefore the air conditioner cannot be restarted even if the temperature of the indoor environment is reduced to a restarting condition (the temperature of the inner ring is lower than a set value of 1-2 ℃), and the problem that the air conditioner cannot be restarted due to heating and is locked is caused.
The existing air conditioner anti-suffocation scheme usually adopts the following modes: one is to open a hole on the outer shell of the indoor unit, so that indoor air can enter the indoor unit, the internal temperature of the indoor unit can be reduced, and the heat is prevented from being blocked, but the structure of the indoor unit needs to be changed in the scheme, so that the appearance is influenced; the other is that when reaching warm machine halt, the compressor is halted, but the indoor fan still keeps operating, and the air guide door is opened to prevent cold wind position, can reduce the inside temperature of indoor set and prevent that the heat is held back to death, but this scheme has the risk that the part blows cold wind in the room or blows cold wind when user's height is higher, and is more power-wasting.
Disclosure of Invention
The invention solves the problems that the appearance is influenced by changing the structure or cold air blowing and electricity waste are caused in the conventional air conditioner heat blocking prevention scheme.
In order to solve the above problems, the present invention provides a control method for preventing heating from being blocked by an air conditioner, wherein the method comprises: if the air conditioner heats until the temperature of the inner ring reaches the preset temperature, stopping the air conditioner; if the shutdown time is longer than or equal to the restart time, restarting heating; acquiring the running time when the temperature of an inner ring of the air conditioner reaches a first temperature threshold; and increasing or decreasing the restart duration according to the operation duration.
According to the invention, the heating is forcibly restarted by setting the restarting time length, and the restarting time length is increased or decreased according to the operation time length when the temperature of the inner ring reaches the temperature, so that the heating can be prevented from being held back, the indoor comfort is ensured, the restarting frequency can be reduced, and the energy is saved and the consumption is reduced on the premise of not changing the appearance and not causing the cold wind blowing problem.
Optionally, increasing or decreasing the restart duration according to the operation duration includes: and if the operation duration is less than a first operation duration threshold, increasing the restart duration.
The invention increases the restart time length under the condition that the running time length when the temperature of the inner ring reaches the temperature is less than the threshold value, can prevent heating from being blocked, can restart quickly and ensures the indoor temperature.
Optionally, increasing or decreasing the restart duration according to the operation duration includes: if the operation duration is greater than or equal to the first operation duration threshold and less than a second operation duration threshold, keeping the restart duration unchanged; the second operating duration threshold is greater than the first operating duration threshold; and if the operation time length is greater than or equal to the second operation time length threshold value, reducing the restart time length.
The invention also sets an adjusting mechanism of the restarting duration, thereby more finely controlling the restarting duration, being capable of quickly restarting and ensuring the indoor temperature.
Optionally, if the air conditioner heats to the inner ring temperature and reaches the preset temperature, the control is stopped, including: if the temperature of the inner ring of the air conditioner is greater than the second temperature threshold value, stopping the air conditioner; the second temperature threshold is the sum of the temperature set by the user and the temperature difference value.
The invention sets the temperature reaching shutdown condition of the air conditioner, executes shutdown operation when the inner ring temperature is higher than the set temperature of the user by a certain difference value, and can ensure the comfort of the user.
Optionally, the first temperature threshold is a difference between the user-set temperature and the temperature difference value.
According to the invention, the temperature reaching verification condition of the air conditioner after forced restart is set, so that whether the heat is blocked is judged according to the time when the temperature of the inner ring reaches a certain difference value lower than the temperature set by a user, the indoor temperature stability can be improved, and the comfort of the user is ensured.
Optionally, the value range of the restart duration is 8-15 min; and/or the value range of the first operation time length threshold is 30-90 s.
The invention provides specific values of the restart time and the first operation time threshold, can effectively prevent the heating from being suppressed, reduces the starting times and ensures the indoor temperature of the heating.
Optionally, the value range of the second operation time length threshold is 2-5 min.
The invention provides a specific value of the second operation time length threshold, which can effectively prevent the heating from being blocked, reduce the starting times and ensure the indoor temperature of the heating.
The invention provides a control device for preventing the heating of an air conditioner from being blocked, which comprises: the heating shutdown module is used for controlling shutdown if the air conditioner heats until the temperature of the inner ring reaches a preset temperature; the heating restarting module is used for restarting heating if the shutdown time length is greater than or equal to the restarting time length; the time length obtaining module is used for obtaining the operation time length when the temperature of the inner ring of the air conditioner reaches a first temperature threshold value; and the restarting duration adjusting module is used for increasing and decreasing the restarting duration according to the running duration.
The invention provides an air conditioner, which comprises a computer readable storage medium and a processor, wherein a computer program is stored in the computer readable storage medium, and when the computer program is read and run by the processor, the control method for preventing the heating of the air conditioner from being blocked is realized.
The invention provides a computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and when the computer program is read and executed by a processor, the control method for preventing the heating of the air conditioner from being blocked is realized.
The control device for preventing heating of the air conditioner from being blocked, the air conditioner and the computer readable storage medium can achieve the same technical effect as the control method for preventing heating of the air conditioner from being blocked.
Drawings
Fig. 1 is a schematic flow chart of a control method for preventing heating from being held down by an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of another control method for preventing heating from being throttled in the air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control device for preventing heating from being locked by an air conditioner according to an embodiment of the present invention.
Description of reference numerals:
301-a heating shutdown module; 302-a heating restart module; 303-duration obtaining module; 304-restart duration adjustment module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Fig. 1 is a schematic flow chart of a control method for preventing heating from being held down by an air conditioner in an embodiment of the invention, wherein the method comprises the following steps:
and S102, if the air conditioner heats until the temperature of the inner ring reaches the preset temperature, stopping the air conditioner.
After the air conditioner is started, heating operation is carried out, the inner ring temperature is continuously acquired by the inner ring sensor, and when the inner ring temperature meets a preset shutdown condition, generally reaching the preset temperature, the air conditioner is controlled to be shut down.
The preset temperature can be the sum of the temperature set by the user and the temperature difference value, and the second temperature threshold is set to be the temperature T set by the userSetting upSum T of temperature difference value Delta TSetting upAnd + delta T, if the temperature of the inner ring of the air conditioner is greater than a second temperature threshold value, stopping the air conditioner. In order to ensure the heating effect, the machine is generally not stopped immediately when the temperature collected by the inner ring sensor reaches the temperature set by the user, but a temperature difference value delta T is set, and when the temperature of the inner ring is higher than the temperature set by the user and the difference value reaches the temperature difference value delta T, the machine is stopped at the temperature.
And S104, if the shutdown time is longer than or equal to the restart time, restarting heating.
In order to prevent thermal lock-out, a restart duration is set. If the heating is not restarted before the temperature-reaching shutdown reaches the restart duration, the air conditioner is forcibly restarted when the restart duration is reached, so that the problem that the air conditioner cannot be started due to high-temperature blockage is avoided.
And S106, acquiring the running time when the temperature of the inner ring of the air conditioner reaches a first temperature threshold value.
Recording the running time when the temperature of the inner ring reaches a first temperature threshold, recording the running time when the temperature of the inner ring reaches the first temperature threshold, and executing temperature-reaching shutdown when the temperature of the inner ring continues to rise and reaches the second temperature threshold. Optionally, the first temperature threshold is the user-set temperature TSetting upDifference T from the above temperature difference value DeltaTSetting up- Δ T. The first temperature threshold is set as the difference to serve as the end time of recording the running time after the heating is restarted, the second temperature threshold is set as the sum to serve as the temperature condition of the temperature-reaching shutdown after the heating is restarted, the time judgment condition of the restarting time can be accurately obtained, the indoor environment temperature can be maintained near the set value of the user, and the comfort of the user experience is ensured. The first temperature threshold is 2 × Δ T lower than the second temperature threshold.
After the running duration is obtained, the duration of the next restart duration may be determined according to the length of the running duration, for example, the running duration may be increased or shortened on the basis of the restart duration, so as to obtain an updated restart duration.
And S108, increasing and decreasing the restart time length according to the running time length.
Optionally, if the operation duration is less than the first operation duration threshold, the restart duration is increased.
When running for a period of time tOperation ofWhen the temperature of the inner ring is lower than the temperature of the inner ring, the temperature of the inner ring collected by the inner ring sensor reaches the temperature quickly, that is, the air conditioner does not restart and heat because the indoor temperature is higher than the temperature of the air conditioner before, but the heat blocking fault does not occur. The air conditioner controls the restarting heating according to the increased restarting duration, can prevent the heating from being suffocated, ensures the indoor temperature, can reduce the restarting frequency, saves energy and reduces consumption.
According to the control method for preventing the heating of the air conditioner from being blocked, the heating is forcibly restarted by setting the restarting time length, the restarting time length is increased or decreased according to the operation time length when the temperature of the inner ring is reached, the heating can be prevented from being blocked, the indoor comfort is ensured, the restarting frequency can be reduced, and the energy saving and consumption reduction are realized on the premise that the appearance is not changed and the cold wind blowing problem does not occur.
On the basis of the above steps, increasing or decreasing the restart duration according to the operation duration may further include the following restart duration adjustment step:
and if the operation time length is greater than or equal to the first operation time length threshold and less than the second operation time length threshold, keeping the restart time length unchanged.
When the running time is long, it is indicated that the temperature can be reached only after the startup heating is restarted, which indicates that the air conditioner cannot be started because the internal machine side is blocked due to high temperature before the air conditioner is restarted and heated, and the restarting time needs to be shortened at this moment to restart quickly and ensure the indoor temperature.
To control the restart duration more finely, the run duration t is setOperation ofIs greater than or equal to the first operating duration threshold t1The interval range of (a) is further divided into two parts, namely, on the basis of setting the first operation time length threshold value, a second operation time length threshold value t is also set2The second operation time length threshold t2Is greater than the first operating time threshold t1. If t2＞tOperation of≥t1Keeping the restart duration unchanged; if tOperation of≥t2The restart duration is reduced.
And if the operation time length is greater than or equal to the second operation time length threshold value, reducing the restart time length.
Optionally, the restart duration ranges from 8 min to 15 min. The value range of the first operation time length threshold is 30-90 s. The value range of the second operation time length threshold is 2-5 min. The value range of the temperature difference value is 1-3 ℃; the value range of the temperature set by the user is 20-30 ℃.
Referring to fig. 2, a schematic flow chart of a control method for preventing heating from being blocked includes the following steps:
s201, the air conditioner is heated and started to run, and T is recordedInner ring、TSetting up。
S202, judging whether T is satisfiedInner ring≥TSetting up+ Δ T. If yes, go to S203; if not, the process continues to S202. If the indoor temperature meets the requirement, the machine is stopped at the temperature; and if the indoor temperature does not meet the requirement, continuing heating operation.
S203, judging whether t is satisfiedStop≥t0. If yes, executing S204; if not, the process continues to S203.
When the downtime satisfies tStop≥t0When the air conditioner is restarted for heating, t0Is the restart duration.
S204, recording TInner ring、TSetting upAnd TInner ring≥TSetting up-a running time period T of Δ TOperation of。
S205, determine whether t is satisfiedOperation of≥t1. If yes, executing S207; if not, go to S206.
S206, restarting duration t0Prolonging for 5 min.
S207, judging whether t is satisfiedOperation of≥t2. If yes, go to S209; if not, go to step S208.
S208, restarting duration t0Remain unchanged.
S209, restarting duration t0The time is reduced by 3 min.
According to the control method for preventing the heating of the air conditioner from being blocked, after the heating is stopped when the heating reaches the temperature, the initial restart time is set, and after the stop time meets the restart time, the air conditioner is forcibly restarted, so that the problem that the air conditioner cannot be started due to the high-temperature blocking is avoided; after the temperature is reached, the shutdown is restarted, the restarting time is adjusted according to the running time when the inner ring temperature meets the condition, the restarting frequency is reduced on the premise of ensuring the indoor temperature, and the energy is saved and the consumption is reduced; therefore, under the premise of not changing the appearance and not blowing cold air, the high-temperature blocking is prevented, and the indoor comfort is ensured.
Fig. 3 is a schematic structural diagram of a control device for preventing heating from being throttled in an embodiment of the present invention, where the control device for preventing heating from being throttled in an air conditioner includes:
the heating shutdown module 301 is used for controlling shutdown if the air conditioner heats until the temperature of the inner ring reaches a preset temperature;
a heating restart module 302, configured to restart heating if the shutdown duration is greater than or equal to the restart duration;
a duration obtaining module 303, configured to obtain an operation duration when the temperature of the inner ring of the air conditioner reaches a first temperature threshold;
and a restart duration adjusting module 304, configured to increase or decrease the restart duration according to the operation duration.
The control device that the air conditioner heating was prevented blocking and is died, through long forced restart heating of restarting when setting up to and the time long increase and decrease should restart long when reaching the operation of temperature according to the inner ring temperature, can both prevent to heat and block and die under the prerequisite that does not change the outward appearance and do not appear the cold wind and blow people problem, guarantee indoor travelling comfort, can reduce again and restart the number of times, energy saving and consumption reduction.
Optionally, as an embodiment, the restart duration adjusting module 304 is specifically configured to: and if the operation duration is less than a first operation duration threshold, increasing the restart duration.
Optionally, as an embodiment, the restart duration adjusting module 304 is specifically configured to: if the operation duration is greater than or equal to the first operation duration threshold and less than a second operation duration threshold, keeping the restart duration unchanged; the second operating duration threshold is greater than the first operating duration threshold; and if the operation time length is greater than or equal to the second operation time length threshold value, reducing the restart time length.
Optionally, as an embodiment, the heating shutdown module 301 is specifically configured to: if the temperature of the inner ring of the air conditioner is greater than the second temperature threshold value, stopping the air conditioner; the second temperature threshold is the sum of the temperature set by the user and the temperature difference value.
Optionally, as an embodiment, the first temperature threshold is a difference between the user-set temperature and the temperature difference value.
Optionally, as an embodiment, the restart duration ranges from 8 to 15 min; and/or the value range of the first operation time length threshold is 30-90 s.
Optionally, as an embodiment, a value range of the second operation duration threshold is 2 to 5 min.
The embodiment of the invention also provides an air conditioner, which comprises a computer readable storage medium and a processor, wherein the computer readable storage medium is used for storing a computer program, and the computer program is read by the processor and runs to realize the control method for preventing the heating of the air conditioner from being blocked.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is read and executed by a processor, the method provided in the foregoing embodiment is implemented, and the same technical effect can be achieved, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
Of course, those skilled in the art will understand that all or part of the processes in the methods of the above embodiments may be implemented by instructing the control device to perform operations through a computer, and the programs may be stored in a computer-readable storage medium, and when executed, the programs may include the processes of the above method embodiments, where the storage medium may be a memory, a magnetic disk, an optical disk, and the like.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The control device for preventing heating from being held back of the air conditioner and the air conditioner disclosed in the embodiment correspond to the control method for preventing heating from being held back of the air conditioner disclosed in the above embodiment, so that the description is relatively simple, and relevant points can be obtained by referring to the description of the method part.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A control method for preventing the heating of an air conditioner from being blocked is characterized by comprising the following steps:
if the air conditioner heats until the temperature of the inner ring reaches the preset temperature, stopping the air conditioner;
if the shutdown time is longer than or equal to the restart time, restarting heating;
acquiring the running time when the temperature of an inner ring of the air conditioner reaches a first temperature threshold;
and increasing or decreasing the restart duration according to the operation duration.
2. The method for controlling heating and anti-suffocating of an air conditioner according to claim 1, wherein the increasing or decreasing the restart duration according to the operation duration comprises:
and if the operation duration is less than a first operation duration threshold, increasing the restart duration.
3. The method for controlling heating and anti-suffocating of an air conditioner according to claim 1, wherein the increasing or decreasing the restart duration according to the operation duration comprises:
if the operation duration is greater than or equal to the first operation duration threshold and less than a second operation duration threshold, keeping the restart duration unchanged; the second operating duration threshold is greater than the first operating duration threshold;
and if the operation time length is greater than or equal to the second operation time length threshold value, reducing the restart time length.
4. The method as claimed in claim 1, wherein the step of controlling the shutdown if the air conditioner heats to the temperature of the inner loop reaching the preset temperature comprises:
if the temperature of the inner ring of the air conditioner is greater than the second temperature threshold value, stopping the air conditioner; the second temperature threshold is the sum of the temperature set by the user and the temperature difference value.
5. The control method for preventing heating and suffocating of air conditioner according to claim 4, wherein said first temperature threshold is the difference between said user-set temperature and said temperature difference.
6. The control method for preventing heating and suffocating of the air conditioner according to any one of claims 1 to 5, wherein the restart duration is in a range of 8-15 min; and/or the value range of the first operation time length threshold is 30-90 s.
7. The control method for preventing heating and suffocating of the air conditioner according to any one of claims 2 to 5, wherein the value of the second operation time threshold ranges from 2 min to 5 min.
8. The utility model provides an air conditioner heats and prevents stifled controlling means who dies, its characterized in that, the device includes:
the heating shutdown module is used for controlling shutdown if the air conditioner heats until the temperature of the inner ring reaches a preset temperature;
the heating restarting module is used for restarting heating if the shutdown time length is greater than or equal to the restarting time length;
the time length obtaining module is used for obtaining the operation time length when the temperature of the inner ring of the air conditioner reaches a first temperature threshold value;
and the restarting duration adjusting module is used for increasing and decreasing the restarting duration according to the running duration.
9. An air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the method of any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements the method according to any one of claims 1-7.
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| CN114183889A (en) * | 2021-12-23 | 2022-03-15 | 邵阳学院 | Control method and control device of air conditioner and air conditioner |
| CN114198862A (en) * | 2021-11-26 | 2022-03-18 | 青岛海尔空调电子有限公司 | Air conditioner control method and device and air conditioner |
| CN115597101A (en) * | 2022-10-20 | 2023-01-13 | 珠海格力电器股份有限公司（Cn） | Temperature control method and device for heating equipment, heating equipment and storage medium |
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