CN113639453B - Method and device for controlling frequency stability of air conditioner compressor and electronic equipment - Google Patents
Method and device for controlling frequency stability of air conditioner compressor and electronic equipment Download PDFInfo
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- CN113639453B CN113639453B CN202110931953.XA CN202110931953A CN113639453B CN 113639453 B CN113639453 B CN 113639453B CN 202110931953 A CN202110931953 A CN 202110931953A CN 113639453 B CN113639453 B CN 113639453B
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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
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Abstract
The invention provides a method and a device for controlling the frequency stability of an air conditioner compressor and electronic equipment. The invention provides a method for controlling the frequency stability of an air conditioner compressor, which comprises the following steps: presetting a plurality of exhaust protection temperatures; presetting corresponding frequency control information based on each exhaust protection temperature; acquiring the exhaust temperature of the compressor, and executing frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature; and if the executed frequency control information is one-time shutdown or two-time down-conversion operation at the first rate, starting an exhaust protection mode. The control method for controlling the frequency stability of the air conditioner compressor can reduce the temperature difference between adjacent exhaust protection temperature points, thereby reducing the frequency rising and reducing the amplitude of the compressor, enabling the compressor to rapidly achieve stable operation under severe working conditions, reducing the noise of the compressor, and simultaneously increasing the temperature interval for keeping the compressor to operate at the current frequency, so that the compressor more rapidly tends to operate stably.
Description
Technical Field
The invention relates to the technical field of air condition compressors, in particular to a method for controlling the frequency stability of an air condition compressor, a device for controlling the frequency stability of the air condition compressor and electronic equipment.
Background
When the air conditioner operates under abominable operating mode, when compressor exhaust temperature surpassed limit frequency temperature control point, the compressor chance operation of falling the frequence in order to reduce exhaust temperature, after exhaust temperature reduces, compressor operating frequency can rise again, so go on repeatedly and go up and down frequently, and compressor frequency is unstable, can produce great noise, has influenced user's experience.
Disclosure of Invention
The invention provides a method for controlling the frequency stability of an air conditioner compressor, a device for controlling the frequency stability of the air conditioner compressor and electronic equipment, which are used for solving the defect of unstable compressor frequency in the prior art.
The invention provides a method for controlling the frequency stability of an air conditioner compressor, which comprises the following steps: presetting a plurality of exhaust protection temperatures; presetting corresponding frequency control information based on each exhaust protection temperature; acquiring the exhaust temperature of a compressor, and executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature; and if the executed frequency control information is one-time shutdown or two-time down-conversion operation at the first rate, starting an exhaust protection mode.
According to the method for controlling the frequency stability of the air conditioner compressor provided by the invention, the step of presetting a plurality of exhaust protection temperatures further comprises the following steps: presetting a first exhaust protection temperature, a second exhaust protection temperature, a third exhaust protection temperature, a fourth exhaust protection heat preservation temperature and a fifth exhaust protection temperature; wherein the first exhaust protection temperature, the second exhaust protection temperature, the third exhaust protection temperature, the fourth exhaust protection temperature and the fifth exhaust protection temperature are sequentially increased in temperature value.
According to the method for controlling the frequency stability of the air conditioner compressor provided by the invention, the step of obtaining the exhaust temperature of the compressor and executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature further comprises the following steps: when the exhaust temperature is equal to the first exhaust protection temperature, controlling the compressor to perform up-conversion operation; when the exhaust temperature is equal to the second exhaust protection temperature, controlling a compressor to keep running at the current frequency; controlling a compressor to run down at a second rate when the discharge temperature is equal to the third discharge protection temperature.
According to the method for controlling the frequency stability of the air conditioner compressor provided by the invention, when the exhaust temperature is equal to the third exhaust protection temperature, the step of controlling the compressor to run down at the second speed further comprises the following steps: presetting a sixth exhaust protection temperature, and controlling a compressor to keep running at the current frequency when the exhaust temperature is equal to the sixth exhaust protection temperature; wherein the sixth exhaust protection temperature is greater than the second exhaust protection temperature and less than the third exhaust protection temperature.
According to the method for controlling the frequency stability of the air conditioner compressor provided by the invention, the step of obtaining the exhaust temperature of the compressor and executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature further comprises the following steps: controlling a compressor to run down at the first rate when the discharge temperature is equal to the fourth discharge protection temperature; when the exhaust temperature is equal to the sixth exhaust protection temperature, controlling a compressor to keep operating at the current frequency; wherein the first rate is greater than the second rate.
According to the method for controlling the frequency stability of the air conditioner compressor provided by the invention, the step of acquiring the exhaust temperature of the compressor and executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature further comprises the following steps: and when the exhaust temperature is reduced to the first exhaust protection temperature, controlling the compressor to perform up-frequency operation.
According to the method for controlling the frequency stability of the air conditioner compressor provided by the invention, the step of obtaining the exhaust temperature of the compressor and executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature further comprises the following steps: and when the exhaust temperature is equal to the fifth exhaust protection temperature, controlling the compressor to stop.
According to the method for controlling the frequency stability of the air conditioner compressor provided by the invention, if the executed frequency control information is one shutdown or two times of frequency reduction operation at the first rate, the step of starting the exhaust protection mode further comprises the following steps: and when the compressor operates at every frequency reduction, the temperature value of the second exhaust protection temperature is preset to be reduced by a preset degree, and the reduced temperature value is determined as the second exhaust protection temperature.
The invention provides a device for controlling the frequency stability of an air-conditioning compressor, which comprises: the first preset module is used for presetting a plurality of exhaust protection temperatures; a second preset module for presetting corresponding frequency control information based on each exhaust protection temperature; an acquisition module for acquiring an exhaust temperature, the acquisition module further for acquiring a number of times frequency control information is executed; the judging module is used for judging whether the exhaust temperature is equal to the exhaust protection temperature or not; and the control module is used for controlling the compressor to execute frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature, and the control module is also used for starting an exhaust protection mode when the executed frequency control information is one-time shutdown or two-time frequency reduction operation at a first rate.
The invention provides electronic equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and is characterized in that the processor executes the program to realize the method for controlling the frequency stability of the air conditioner compressor.
According to the control method for controlling the frequency stability of the air conditioner compressor, provided by the invention, the temperature difference between adjacent exhaust protection temperature points can be reduced by presetting a plurality of exhaust protection temperatures and presetting frequency control information corresponding to each exhaust protection temperature, so that the frequency increasing and decreasing amplitude of the compressor is reduced, the compressor can rapidly achieve stable operation under severe working conditions, and the noise of the compressor is reduced. By setting the exhaust protection mode, the temperature interval for keeping the compressor to operate at the current frequency can be increased, and the compressor can more quickly tend to operate stably.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method for controlling frequency stabilization of an air conditioner compressor provided by the present invention;
FIG. 2 is a logic diagram illustrating a method for controlling frequency stabilization of an air conditioner compressor according to the present invention;
fig. 3 is a schematic structural diagram of an apparatus for controlling frequency stabilization of an air conditioner compressor according to the present invention;
FIG. 4 is a schematic diagram of an electronic device provided by the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The features of the terms first and second in the description and in the claims of the invention may explicitly or implicitly comprise one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The method and apparatus for controlling the frequency stabilization of the air conditioner compressor according to the present invention will be described with reference to fig. 1 to 4.
As shown in fig. 1, in one embodiment of the present invention, a method for controlling the frequency stabilization of an air conditioner compressor includes the steps of:
step 01: a plurality of exhaust protection temperatures are preset.
Specifically, in the prior art, the number of preset discharge protection temperatures is small, usually two, and when the discharge temperature is equal to the first discharge protection temperature, the compressor is operated at an increased frequency, and when the discharge temperature is equal to the second discharge protection temperature, the compressor is operated at a decreased frequency. After the compressor operates in a frequency reducing mode, the exhaust temperature of the compressor can be reduced, when the exhaust temperature is reduced to the first exhaust protection temperature, the compressor operates in a frequency increasing mode, when the exhaust temperature is equal to the second exhaust protection temperature again, the compressor operates in a frequency reducing mode again, the compressor operates in a frequency increasing mode repeatedly, the frequency increasing and decreasing amplitude of the compressor is large, the frequency is unstable, and large noise is generated. In the embodiment of the invention, a plurality of exhaust protection temperatures are preset, for example, more than three exhaust protection temperatures are preset, so that the temperature difference between adjacent exhaust protection temperatures can be reduced, the frequency increasing and decreasing amplitude of the compressor is reduced, and the frequency is stable.
For example, if 5 exhaust protection temperatures are preset, the temperature values of the 5 exhaust protection temperatures are respectively: 85 ℃, 92 ℃, 98 ℃, 102 ℃ and 110 ℃.
Step 02: the corresponding frequency control information is preset based on each exhaust protection temperature.
Specifically, different frequency control information is preset for different exhaust protection temperatures, and when the exhaust temperature of the compressor reaches the preset exhaust protection temperature, the compressor can be controlled to operate according to the preset frequency control information.
For example, if the preset protection temperature is 85 ℃, the corresponding frequency control information is the up-conversion operation of the compressor, if the preset protection temperature is 92 ℃, the corresponding frequency control information is the operation of the compressor according to the current frequency, if the preset protection temperature is 102 ℃, the corresponding frequency control information is the down-conversion operation of the compressor.
Step 03: and acquiring the exhaust temperature, and executing frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is greater than the exhaust protection temperature.
Specifically, after the air conditioner is started, the compressor is in frequency-up operation, the exhaust temperature of the compressor can be gradually increased, when the exhaust temperature reaches a first exhaust protection temperature, the compressor can be controlled to work according to the frequency control information corresponding to the exhaust protection temperature, and when the exhaust temperature reaches a second exhaust protection temperature, the compressor can be controlled to work according to the frequency control information corresponding to the exhaust protection temperature.
For example, if the first discharge protection temperature is 85 ℃, the preset corresponding frequency control information is that the compressor is in the up-conversion operation, the compressor is controlled to be in the up-conversion operation when the discharge temperature of the compressor reaches 85 ℃, and if the second discharge protection temperature is 92 ℃, the compressor is controlled to be in the current frequency operation when the discharge temperature of the compressor reaches 92 ℃.
Step 04: and if the executed frequency control information is one-time shutdown or two-time down-conversion operation at the first rate, starting an exhaust protection mode.
Specifically, the frequency control information corresponding to the highest value of the preset exhaust protection temperatures is used for controlling the compressor to stop, and the frequency control information corresponding to the next highest value of the preset exhaust protection temperatures is used for reducing the frequency at the first rate. When the exhaust temperature of the compressor reaches the highest value of the preset exhaust protection temperatures, the compressor is stopped, and the exhaust protection mode is started at the moment.
Or when the exhaust temperature of the compressor reaches the next highest value of the preset exhaust protection temperatures, the compressor operates in a frequency reduction mode at the first rate, after the frequency reduction, the compressor operates in a frequency increase mode when the exhaust temperature is lower, and when the exhaust temperature reaches the next highest value of the preset exhaust protection temperatures again, the compressor operates in a frequency reduction mode at the first rate again, and at the moment, the exhaust protection mode is started. After the exhaust protection mode is started, the compressor keeps the exhaust protection temperature value of the current frequency operation to be reduced by a certain degree every time the compressor operates in a frequency reduction mode until the frequency of the compressor is stable.
According to the control method for controlling the frequency stability of the air conditioner compressor, provided by the invention, the temperature difference between adjacent exhaust protection temperature points can be reduced by presetting a plurality of exhaust protection temperatures and presetting frequency control information corresponding to each exhaust protection temperature, so that the frequency increasing and decreasing amplitude of the compressor is reduced, the compressor can rapidly achieve stable operation under severe working conditions, and the noise of the compressor is reduced. By setting the exhaust protection mode, the temperature interval for keeping the compressor to operate at the current frequency can be increased, and the compressor can more quickly tend to operate stably.
Further, in one embodiment of the present invention, the step of presetting a plurality of exhaust protection temperatures further comprises: presetting a first exhaust protection temperature, a second exhaust protection temperature, a third exhaust protection temperature, a fourth exhaust protection temperature and a fifth exhaust protection temperature; and the temperature values of the first exhaust protection temperature, the second exhaust protection temperature, the third exhaust protection temperature, the fourth exhaust protection temperature and the fifth exhaust protection temperature are sequentially increased.
Specifically, in the present embodiment, there are 5 preset exhaust gas protection temperatures, and each exhaust gas protection temperature is gradually increased. For example, the temperature values of 5 exhaust protection temperatures can be preset as follows: the first exhaust protection temperature is 85 ℃, the second exhaust protection temperature is 92 ℃, the third exhaust protection temperature is 98 ℃, the fourth exhaust protection temperature is 102 ℃, and the fifth exhaust protection temperature is 110 ℃.
It can be understood that: the above-mentioned 5 preset exhaust protection temperature values are only one embodiment of the present invention, and the specific values of the exhaust protection temperature may be set separately as needed.
It should be noted that: in this embodiment, the detected discharge temperature is the temperature of the gas discharged after the compressor performs work, so that the detected discharge temperature is the discharge temperature after the compressor adjusts the frequency after a period of time after the compressor adjusts the frequency. For example, when the compressor is in the up-conversion operation, the compressor needs to be controlled to perform the down-conversion operation when the discharge temperature reaches the discharge protection temperature, and the discharge temperature will decrease after the compressor has been in the down-conversion operation for a certain time.
As shown in fig. 2, in an embodiment of the present invention, the step of obtaining the discharge temperature of the compressor, and when the discharge temperature is equal to the discharge protection temperature, executing the frequency control information corresponding to the discharge protection temperature further includes: when the exhaust temperature is equal to the first exhaust protection temperature, controlling the compressor to perform up-conversion operation; when the exhaust temperature is equal to the second exhaust protection temperature, controlling the compressor to keep the current frequency running; when the discharge temperature is equal to the third discharge protection temperature, the compressor is controlled to run down at a second rate.
Specifically, in the present embodiment, the corresponding frequency control information is preset to control the compressor up-conversion operation based on the first exhaust protection temperature. When the discharge temperature of the compressor is equal to the first discharge protection temperature, for example, the discharge temperature is equal to 85 ℃, the compressor is in frequency-up operation, and the discharge temperature of the compressor is increased accordingly.
Further, in the present embodiment, based on the second discharge protection temperature, the preset corresponding frequency control information maintains the current frequency operation for controlling the compressor. When the discharge temperature is equal to the second discharge protection temperature, for example, the discharge temperature is equal to 92 ℃, the compressor keeps the current frequency operation.
Further, in this embodiment, based on the third discharge protection temperature, the preset corresponding frequency control information is to control the compressor to operate down at the second speed. When the compressor maintains the current frequency operation, the compressor is down-cycled at a second rate when the discharge temperature is equal to a third discharge protection temperature, such as a discharge temperature equal to 98 deg.C. At this time, the compressor needs to be down-clocked because the discharge temperature of the compressor is high, the compressor can be down-clocked slowly because the difference between the third discharge protection temperature and the second discharge protection temperature is small, and optionally, the second speed of the compressor can be 10s/Hz.
Further, after the compressor operates at the second speed, the discharge temperature of the compressor decreases accordingly, and at this time, a sixth discharge protection temperature needs to be preset, and when the discharge temperature of the compressor decreases to the sixth discharge protection temperature, the compressor is controlled to keep operating at the current frequency, specifically, the sixth discharge protection temperature is greater than the second discharge protection temperature and less than the third discharge protection temperature.
Specifically, assuming that the preset sixth exhaust protection temperature is 97 ℃, the frequency control information corresponding to the sixth exhaust protection temperature is used for controlling the compressor to keep the current frequency operation. When the compressor operates at the second speed, the discharge temperature of the compressor is reduced, and when the discharge temperature of the compressor is reduced to 97 ℃, the compressor is controlled to keep operating at the current frequency. Because the exhaust of the compressor has hysteresis, when the compressor keeps the current frequency operation, the exhaust temperature can also be reduced, if the exhaust temperature is more than or equal to the second exhaust protection temperature, the execution is carried out according to the frequency control information of the second exhaust protection temperature, and the compressor keeps the current frequency operation; and if the exhaust temperature is reduced to the first exhaust protection temperature, executing according to the frequency control information of the first exhaust protection temperature, and increasing the frequency of the compressor.
And when the exhaust temperature of the compressor is equal to the fourth exhaust protection temperature, controlling the compressor to run down at a first speed, wherein the first speed is greater than the second speed.
Specifically, in this embodiment, the corresponding frequency control information is preset to control the compressor to run down at the first rate based on the fourth discharge protection temperature. When the exhaust temperature reaches the third exhaust protection temperature, the compressor operates at the second rate, because the exhaust has hysteresis, when the second rate is smaller, the exhaust temperature reaches the fourth exhaust protection temperature, when the exhaust temperature reaches the fourth exhaust protection temperature, if the exhaust temperature is equal to 102 ℃, the compressor operates at the first rate. At this time, since the discharge temperature of the compressor is high, the compressor needs to be operated in a down-conversion mode, since the difference between the fourth discharge protection temperature and the second discharge protection temperature is large, the compressor needs to be rapidly operated in a down-conversion mode, and alternatively, the first speed of the compressor may be 1s/Hz.
Further, in the present embodiment, when the compressor is down-operated at the first rate, the compressor is controlled to maintain the current frequency operation when the discharge temperature is lowered to the sixth discharge protection temperature. When the compressor keeps the current frequency operation, the exhaust temperature can also drop to a certain extent due to the hysteresis of the exhaust, if the exhaust temperature drops to the second exhaust protection temperature or stops dropping within the interval that the second exhaust protection temperature is higher than the sixth exhaust protection temperature, then the frequency of the compressor is in a stable state, and the compressor keeps the current frequency operation; if the exhaust temperature is reduced to the first exhaust protection temperature or is higher than the first exhaust protection temperature and lower than the second exhaust protection temperature, the reduction is stopped, at the moment, the frequency of the compressor is lower, and the frequency of the compressor needs to be increased to be stable.
As shown in fig. 2, in an embodiment of the present invention, the step of obtaining the discharge temperature of the compressor, and when the discharge temperature is equal to the discharge protection temperature, the step of executing the frequency control information corresponding to the discharge protection temperature further includes: and when the exhaust temperature is equal to the fifth exhaust protection temperature, controlling the compressor to stop.
Specifically, in the present embodiment, the corresponding frequency control information is preset to control the compressor to stop based on the fifth discharge protection temperature. When the discharge temperature of the compressor is too high, the compressor can be controlled to stop when the fifth discharge protection temperature is reached, and optionally, the fifth discharge protection temperature can be 110 ℃ or other temperatures.
As shown in fig. 2, in an embodiment of the present invention, if the executed frequency control information is a first shutdown or a second shutdown at a first rate, the step of starting the exhaust protection mode further includes: and when the compressor operates at every frequency reduction, the temperature value of the preset second exhaust protection temperature is reduced by a preset degree, and the reduced temperature value is determined as the second exhaust protection temperature.
Specifically, the temperature value of the second discharge protection temperature is decreased by a preset degree each time the compressor is down-cycled during operation of the compressor. For example, if the preset degree is 1 ℃, when the discharge temperature of the compressor reaches the third discharge protection temperature, the compressor performs a frequency reduction operation, at this time, the second discharge protection temperature is decreased from 92 ℃ to 91 ℃, when the discharge temperature reaches the fourth discharge protection temperature, the compressor performs a frequency reduction operation again, at this time, the second discharge protection temperature is decreased from 91 ℃ to 90 ℃. Further, after the compressor is down-converted, if the discharge temperature is low, the compressor is controlled to be up-converted, and when the discharge temperature reaches the third discharge protection temperature again, the compressor is down-converted again, and at this time, the second discharge protection temperature is 89 ℃. Supposing that after the compressor operates in a frequency-reducing mode, the exhaust temperature does not decrease when the exhaust temperature decreases to 93 ℃, at the moment, the frequency of the compressor is stable, the second exhaust protection temperature 89 ℃ at the moment is stored in the system, after the air conditioner is powered on again, when the exhaust temperature of the compressor triggers the exhaust protection mode again, the value of the second exhaust protection temperature is 89 ℃, namely when the exhaust temperature of the compressor reaches 89 ℃, the compressor starts to keep the current frequency to operate, so that the temperature interval for keeping the current frequency operation of the compressor is enlarged, and the compressor can more quickly tend to operate stably.
According to the method for controlling the frequency stability of the air conditioner compressor, provided by the embodiment of the invention, the second exhaust protection temperature is added between the first exhaust protection temperature and the third exhaust protection temperature, so that the temperature difference between the first exhaust protection temperature and the third exhaust protection temperature is reduced, the frequency raising amplitude of the compressor is reduced, and the frequency of the compressor tends to be stable more quickly. The temperature difference between the third exhaust protection temperature and the second exhaust protection temperature is reduced by additionally arranging the sixth exhaust protection temperature; the frequency reduction amplitude of the compressor is reduced, so that the frequency of the compressor can quickly tend to be stable, and the noise of the compressor is reduced. Through setting up the exhaust protection mode, increased the compressor and kept the temperature interval of current frequency operation, made the compressor can tend to stable operation more fast.
The embodiment of the invention also provides the air conditioner, and the exhaust pipe of the air conditioner compressor is provided with the temperature sensor to detect the exhaust temperature of the compressor.
The following describes an apparatus for controlling frequency stabilization of an air conditioner compressor according to the present invention, and the apparatus for controlling frequency stabilization of an air conditioner compressor described below and the method for controlling frequency stabilization of an air conditioner compressor described above may be referred to in correspondence with each other.
As shown in fig. 3, the apparatus for controlling the frequency stability of the air conditioner compressor according to the embodiment of the present invention includes: the device comprises a first presetting module 101, a second presetting module 102, an obtaining module 103, a judging module 104 and a control module 105. The first preset module 101 is configured to preset a plurality of exhaust protection temperatures, the second preset module 102 is configured to preset corresponding frequency control information based on each exhaust protection temperature, the obtaining module 103 is configured to obtain an exhaust temperature, the obtaining module 103 is further configured to obtain the number of times of executing the frequency control information, the determining module 104 is configured to determine whether the exhaust temperature is equal to the exhaust protection temperature, the control module 105 is configured to control the compressor to execute the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature, and meanwhile, the control module 105 is further configured to start an exhaust protection mode when the executed frequency control information is one-time shutdown or two-time frequency-reduction operation at a first rate.
Further, the first preset module 101 is further configured to preset a first exhaust protection temperature, a second exhaust protection temperature, a third exhaust protection temperature, a fourth exhaust protection temperature, a fifth exhaust protection temperature, and a sixth exhaust protection temperature.
The determining module 104 is further configured to determine whether the exhaust temperature is equal to a first exhaust protection temperature, a second exhaust protection temperature, a third exhaust protection temperature, a fourth exhaust protection temperature, a fifth exhaust protection temperature, and a sixth exhaust protection temperature.
The control module 105 is further configured to control the compressor to increase in frequency when the discharge temperature is equal to the first discharge protection temperature; when the exhaust temperature is equal to the second exhaust protection temperature, controlling the compressor to keep the current frequency running; when the exhaust temperature is equal to the third exhaust protection temperature, controlling the compressor to run at a second speed in a frequency reduction mode; when the exhaust temperature is equal to the sixth exhaust protection temperature, controlling the compressor to keep the current frequency running; when the exhaust temperature is equal to the fourth exhaust protection temperature, controlling the compressor to run at a first rate; and when the exhaust temperature is equal to the fifth exhaust protection temperature, controlling the compressor to stop.
Further, in an embodiment of the present invention, the apparatus for controlling the frequency stability of the air conditioner compressor further includes a second preset module and a determining module, wherein the second preset module is configured to preset a reduction degree of the temperature value of the second exhaust protection temperature when the compressor operates at a reduced frequency once. The determination module is used for determining a temperature value of the second exhaust protection temperature when the exhaust protection mode is started.
As shown in fig. 4, an embodiment of the present invention further provides an electronic device, where the electronic device may include: a processor (processor) 810, a communication Interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication Interface 820 and the memory 830 communicate with each other via the communication bus 840. The processor 810 may call logic instructions in the memory 830 to perform a method of controlling the frequency stabilization of the air conditioner compressor.
It should be noted that, when being implemented specifically, the electronic device in this embodiment may be a server, a PC, or other devices, as long as the structure includes the processor 810, the communication interface 820, the memory 830, and the communication bus 840 shown in fig. 4, where the processor 810, the communication interface 820, and the memory 830 complete mutual communication through the communication bus 840, and the processor 810 may call the logic instructions in the memory 830 to execute the above method. The embodiment does not limit the specific implementation form of the electronic device.
In addition, the logic instructions in the memory 830 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to execute a method for controlling air purification provided by the above methods, the method comprising: presetting a plurality of exhaust protection temperatures; presetting corresponding frequency control information based on each exhaust protection temperature; acquiring the exhaust temperature of a compressor, and executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature; and if the executed frequency control information is one-time shutdown or two-time down-conversion operation at the first rate, starting an exhaust protection mode.
In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, is implemented to perform the control method for air purification provided above, the method including: presetting a plurality of exhaust protection temperatures; presetting corresponding frequency control information based on each exhaust protection temperature; acquiring the exhaust temperature of a compressor, and executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature; and if the executed frequency control information is one-time shutdown or two-time down-conversion operation at the first rate, starting an exhaust protection mode.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. A method for controlling the frequency stability of an air conditioner compressor is characterized by comprising the following steps:
presetting a first exhaust protection temperature, a second exhaust protection temperature, a third exhaust protection temperature, a fourth exhaust protection temperature and a fifth exhaust protection temperature; wherein the temperature values of the first exhaust protection temperature, the second exhaust protection temperature, the third exhaust protection temperature, the fourth exhaust protection temperature, and the fifth exhaust protection temperature are sequentially increased;
presetting corresponding frequency control information based on each exhaust protection temperature;
acquiring the exhaust temperature of a compressor, executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature,
wherein when the exhaust temperature is equal to the first exhaust protection temperature, controlling the compressor to perform frequency-up operation; when the exhaust temperature is equal to the second exhaust protection temperature, controlling a compressor to keep operating at the current frequency; when the exhaust temperature is equal to the third exhaust protection temperature, controlling the compressor to operate at a second speed in a frequency reduction mode, presetting a sixth exhaust protection temperature, when the exhaust temperature is equal to the sixth exhaust protection temperature, controlling the compressor to keep operating at the current frequency, when the compressor keeps operating at the current frequency, if the exhaust temperature is greater than or equal to the second exhaust protection temperature, controlling the compressor to keep operating at the current frequency, and if the exhaust temperature is equal to the first exhaust protection temperature, controlling the compressor to operate at an increased frequency; wherein the sixth exhaust protection temperature is greater than the second exhaust protection temperature and less than the third exhaust protection temperature;
if the executed frequency control information is one-time shutdown or two-time frequency reduction operation at a first rate, starting an exhaust protection mode;
the step of obtaining the exhaust temperature of the compressor, and when the exhaust temperature is equal to the exhaust protection temperature, executing the frequency control information corresponding to the exhaust protection temperature further includes:
controlling a compressor to run down at the first rate when the discharge temperature is equal to the fourth discharge protection temperature;
when the exhaust temperature is equal to the sixth exhaust protection temperature, controlling a compressor to keep operating at the current frequency; wherein the first rate is greater than the second rate;
the step of obtaining the exhaust temperature of the compressor, and when the exhaust temperature is equal to the exhaust protection temperature, executing the frequency control information corresponding to the exhaust protection temperature further includes:
when the exhaust temperature is reduced to the first exhaust protection temperature, controlling the compressor to perform up-conversion operation;
the step of obtaining the discharge temperature of the compressor, and when the discharge temperature is equal to the discharge protection temperature, executing the frequency control information corresponding to the discharge protection temperature further includes:
when the exhaust temperature is equal to the fifth exhaust protection temperature, controlling a compressor to stop;
the step of starting the exhaust protection mode if the executed frequency control information is one shutdown or two times of reduced frequency operation at the first rate further comprises:
and when the compressor operates at the lower frequency once, the temperature value of the second exhaust protection temperature is reduced by a preset degree, and the reduced temperature value is determined as the second exhaust protection temperature.
2. An apparatus for controlling frequency stabilization of an air conditioner compressor, comprising:
the first preset module is used for presetting a first exhaust protection temperature, a second exhaust protection temperature, a third exhaust protection temperature, a fourth exhaust protection temperature, a fifth exhaust protection temperature and a sixth exhaust protection temperature;
a second preset module for presetting corresponding frequency control information based on each exhaust protection temperature;
an acquisition module for acquiring an exhaust temperature, the acquisition module further for acquiring a number of times frequency control information is executed;
the judging module is used for judging the relation between the exhaust temperature and the exhaust protection temperature;
a control module for executing the frequency control information corresponding to the exhaust protection temperature when the exhaust temperature is equal to the exhaust protection temperature,
wherein when the discharge temperature is equal to the first discharge protection temperature, controlling a compressor to perform up-conversion operation; when the exhaust temperature is equal to the second exhaust protection temperature, controlling a compressor to keep running at the current frequency; controlling a compressor to run down at a second rate when the discharge temperature is equal to the third discharge protection temperature; when the exhaust temperature is equal to the sixth exhaust protection temperature, controlling the compressor to keep running at the current frequency, when the compressor keeps running at the current frequency, if the exhaust temperature is greater than or equal to the second exhaust protection temperature, controlling the compressor to keep running at the current frequency, and if the exhaust temperature is equal to the first exhaust protection temperature, controlling the compressor to run at an increased frequency; wherein the sixth exhaust protection temperature is greater than the second exhaust protection temperature and less than the third exhaust protection temperature;
if the executed frequency control information is one-time shutdown or two-time frequency reduction operation at a first rate, starting an exhaust protection mode;
controlling a compressor to run down at the first rate when the discharge temperature is equal to the fourth discharge protection temperature;
when the exhaust temperature is equal to the sixth exhaust protection temperature, controlling a compressor to keep running at the current frequency; wherein the first rate is greater than the second rate;
when the exhaust temperature is reduced to the first exhaust protection temperature, controlling the compressor to perform up-conversion operation;
when the exhaust temperature is equal to the fifth exhaust protection temperature, controlling a compressor to stop;
and when the compressor operates at the lower frequency once, the temperature value of the second exhaust protection temperature is reduced by a preset degree, and the reduced temperature value is determined as the second exhaust protection temperature.
3. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for controlling the frequency stabilization of an air conditioner compressor according to claim 1 when executing the program.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110931953.XA CN113639453B (en) | 2021-08-13 | 2021-08-13 | Method and device for controlling frequency stability of air conditioner compressor and electronic equipment |
| PCT/CN2022/082786 WO2023015899A1 (en) | 2021-08-13 | 2022-03-24 | Method and apparatus for controlling frequency stability of air conditioner compressor, and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110931953.XA CN113639453B (en) | 2021-08-13 | 2021-08-13 | Method and device for controlling frequency stability of air conditioner compressor and electronic equipment |
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| CN113639453A CN113639453A (en) | 2021-11-12 |
| CN113639453B true CN113639453B (en) | 2023-02-17 |
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| CN113639453B (en) * | 2021-08-13 | 2023-02-17 | 青岛海尔空调器有限总公司 | Method and device for controlling frequency stability of air conditioner compressor and electronic equipment |
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| JP4027273B2 (en) * | 2003-06-19 | 2007-12-26 | 松下電器産業株式会社 | Air conditioner |
| CN107084124B (en) * | 2017-05-18 | 2019-04-30 | 广州视源电子科技股份有限公司 | A kind of frequency limit control method and system for frequency-changeable compressor |
| CN107036256B (en) * | 2017-05-31 | 2019-06-11 | 广东美的制冷设备有限公司 | The control method of delivery temperature, the control device of delivery temperature and air conditioner |
| CN107255340B (en) * | 2017-06-14 | 2020-02-04 | 青岛海尔空调器有限总公司 | Control method and control system for preventing compressor of inverter air conditioner from overheating |
| CN110595015B (en) * | 2019-09-25 | 2020-12-11 | 珠海格力电器股份有限公司 | Adjusting method and device of frequency conversion equipment |
| CN111023420B (en) * | 2019-12-27 | 2021-08-20 | 宁波奥克斯电气股份有限公司 | Compressor quick start control method and device, air conditioner and storage medium |
| CN112178978B (en) * | 2020-10-15 | 2022-04-12 | 广东纽恩泰新能源科技发展有限公司 | Protection control method for overhigh exhaust temperature of variable frequency heat pump |
| CN112611089B (en) * | 2020-12-21 | 2022-05-20 | 苏州金俊智能科技有限公司 | Control method for preventing air conditioner from repeatedly exhausting protection |
| CN113639453B (en) * | 2021-08-13 | 2023-02-17 | 青岛海尔空调器有限总公司 | Method and device for controlling frequency stability of air conditioner compressor and electronic equipment |
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| WO2023015899A1 (en) | 2023-02-16 |
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