CN113757903A - Air conditioner starting control method, air conditioner starting control device and air conditioner - Google Patents
Air conditioner starting control method, air conditioner starting control device and air conditioner Download PDFInfo
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- CN113757903A CN113757903A CN202110973332.8A CN202110973332A CN113757903A CN 113757903 A CN113757903 A CN 113757903A CN 202110973332 A CN202110973332 A CN 202110973332A CN 113757903 A CN113757903 A CN 113757903A
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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
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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
- F24F11/70—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
- F24F11/88—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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides an air conditioner starting control method, an air conditioner starting control device and an air conditioner, and relates to the field of air conditioner control. The method comprises the following steps: after the compressor is started to operate, acquiring the current exhaust temperature of the compressor; judging whether the current exhaust temperature is greater than or equal to a preset pre-protection temperature or not; if yes, determining the exhaust temperature rising rate; and after the determination, adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor, and controlling the compressor to operate according to the adjusted operating frequency. According to the method, after the current exhaust temperature reaches the preset preposed protection temperature and before the protection temperature, the exhaust temperature rising condition is identified according to the exhaust temperature rising rate and the state of the compressor running frequency, the running frequency of the compressor is timely adjusted, and the exhaust temperature of the compressor can be effectively controlled, so that the air conditioner shutdown phenomenon can be effectively avoided, the running reliability of the air conditioner at the starting stage is improved, and the use experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to an air conditioner starting control method, an air conditioner starting control device and an air conditioner.
Background
When the heat pump type air conditioner is under a high load, in order to ensure the cooling and heating effects of the air conditioner, the set operation frequency of the compressor is usually higher, under the condition of the high load and high operation frequency of the compressor, the rising rate of the exhaust temperature of the air conditioner during starting operation is higher, and when the exhaust temperature exceeds the protection temperature of the compressor, the air conditioner compressor stops, so that the use experience of a user is influenced.
Disclosure of Invention
The first purpose of the present invention is to provide an air conditioner start control method, so as to solve the technical problems existing in the prior art that shutdown protection occurs at the air conditioner start stage, the operation is not reliable, and the user experience is not good.
The invention provides an air conditioner starting control method, which is applied to an air conditioner and comprises the following steps:
after the compressor is started to operate, acquiring the current exhaust temperature of the compressor;
judging whether the current exhaust temperature is greater than or equal to a preset pre-protection temperature or not; the preset preposed protection temperature is less than the protection temperature of the compressor;
if yes, determining the exhaust temperature rising rate;
after the exhaust temperature rising rate is determined, adjusting the running frequency of the compressor according to the exhaust temperature rising rate and the state of the running frequency of the compressor, and controlling the compressor to run according to the adjusted running frequency; wherein the states of the compressor operation frequency include a rising state and a steady state.
The air conditioner starting control method provided by the invention can produce the following beneficial effects:
according to the air conditioner starting control method provided by the invention, before the exhaust temperature of the compressor reaches the protection temperature, the operation frequency of the compressor is actively adjusted, and the parameters to be referred to for adjustment not only comprise the current exhaust temperature, but also comprise the exhaust temperature rising rate, namely the rising speed of the exhaust temperature, and the state of the compressor operation frequency, namely whether the compressor operation frequency is rising or stable, namely, besides the current exhaust temperature, the method provided by the invention also takes the states of the exhaust temperature rising rate and the compressor operation frequency as the reference parameters of the compressor exhaust protection. In other words, after the current exhaust temperature reaches the preset pre-protection temperature and before the current exhaust temperature reaches the protection temperature, the method provided by the invention identifies the rising condition of the exhaust temperature through the rising rate of the exhaust temperature and the state of the compressor running frequency, predicts the rising trend of the current exhaust temperature, timely adjusts the running frequency of the compressor, and can effectively control the exhaust temperature of the compressor, thereby effectively avoiding the air conditioner shutdown phenomenon caused by the reasons of the overshoot of the exhaust temperature, the lag of the exhaust behind the system and the like.
Further, the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor includes:
judging whether the exhaust temperature rising rate is greater than or equal to a first preset protection rate or not;
if so, judging whether the exhaust temperature rising rate is greater than or equal to a second preset protection rate or not; wherein the second preset protection rate is greater than the first preset protection rate;
if so, judging whether the running frequency of the compressor is in an ascending state;
and if so, controlling the running frequency of the compressor to be unchanged.
Under this technical scheme, when exhaust temperature rising rate is more than or equal to the second and predetermines protection rate, exhaust temperature rising rate is very fast promptly, and the operating frequency of compressor is in when the rising state, the operating frequency of control compressor stops rising, so, can control exhaust temperature to effectively avoid the shut down that exhaust temperature rises and overshoots the reason and leads to, can make the compressor move with higher operating frequency again, thereby realize the state that the user set for fast.
Further, the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further includes:
and if the exhaust temperature rising rate is greater than or equal to the second preset protection rate and the running frequency of the compressor is in a stable state, reducing the running frequency of the compressor.
Under the technical scheme, when the exhaust temperature rising rate is greater than or equal to the second preset protection rate, namely the exhaust temperature rising rate is high, but the operation frequency of the compressor is in a stable state, the operation frequency of the compressor is reduced to reduce the exhaust temperature rising rate, for example, the exhaust temperature rising rate can be reduced by 5 Hz.
Further, the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further includes:
if the exhaust temperature rising rate is greater than or equal to the first preset protection rate but less than the second preset protection rate, judging whether the running frequency of the compressor is in a rising state;
if so, the rate of increasing the frequency of the compressor is reduced.
Under this technical scheme, when the exhaust temperature rising rate is located between first preset protection rate and the second preset protection rate, that is to say, the exhaust temperature rising rate is slower, but the operating frequency of compressor is in the rising state, reduce the rising rate of compressor, in order to reduce the rising rate of exhaust temperature, for example: the compressor ramp rate can be reduced to half the original ramp rate.
Further, the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further includes:
and if the exhaust temperature rising rate is greater than or equal to the first preset protection rate but less than the second preset protection rate and the running frequency of the compressor is in a stable state, controlling the running frequency of the compressor to be unchanged.
Under this technical scheme, when exhaust temperature rising rate is located between first preset protection rate and the second preset protection rate, exhaust temperature rising rate is slower promptly, and the operating frequency of compressor is in steady state, the operating frequency of control compressor is unchangeable.
Further, the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further includes:
and if the exhaust temperature rising rate is smaller than the first preset protection rate, controlling the running frequency of the compressor to be unchanged.
Under this technical scheme, exhaust temperature rising rate is less than first preset protection rate, and exhaust temperature rising rate is slower, so, the operating frequency of control compressor is unchangeable.
Further, after the compressor is started to operate for a preset first time, the current exhaust temperature of the compressor is obtained.
Under the technical scheme, the exhaust temperature of the compressor rises to a certain temperature after the compressor is started and operated for a certain time, so that the current exhaust temperature is obtained immediately without starting the compressor, the rationality of the method is ensured, and the execution steps of the method are reduced. Wherein, the preset first time period may be 2 min.
Further, the method further comprises: if the current exhaust temperature is smaller than the preset pre-protection temperature, acquiring the current accumulated operation time of the compressor, and judging whether the current accumulated operation time is smaller than or equal to a preset second time;
if so, after the preset first time interval, acquiring the exhaust temperature of the compressor again, and executing the subsequent steps.
Under the technical scheme, within the preset second time, if the current exhaust temperature is less than the preset preposed protection temperature, the exhaust temperature of the compressor is acquired every other preset first time, so that the exhaust temperature can be acquired in time within the preset second time, and corresponding actions are executed. The preset second time period may be 30 min.
Further, the method further comprises: and if the current accumulated running time is longer than the preset second time, controlling the compressor to continue running.
Under the technical scheme, after the compressor is started to operate for a second time, if the current exhaust temperature is lower than the preset preposed protection temperature, the compressor is controlled to continue to operate.
Further, the method further comprises: and after the compressor operates for a preset third time according to the adjusted operating frequency, determining the exhaust temperature rising rate again, and executing the subsequent steps.
Under the technical scheme, the rising rate of the exhaust temperature is reduced to some extent after the compressor is controlled to run for a certain time according to the adjusted running frequency, so that the rising rate of the exhaust temperature is determined again, and the subsequent steps are executed until the rising rate of the exhaust temperature is reduced to be smaller than the preset first protection rate. Wherein, the third preset time period may be 1 min.
The second objective of the present invention is to provide an air conditioner start control device, so as to solve the technical problems existing in the prior art that shutdown protection occurs at the start stage of the air conditioner, the operation is not reliable, and the user experience is not good.
The invention provides an air conditioner starting control device, which is applied to an air conditioner and comprises:
the first acquisition module is used for acquiring the current exhaust temperature of the compressor after the compressor is started to operate;
the first judgment module is used for judging whether the current exhaust temperature is greater than or equal to a preset pre-protection temperature or not; the preset preposed protection temperature is less than the protection temperature of the compressor;
the speed determining module is used for determining the exhaust temperature rising speed if the exhaust temperature rising speed is larger than the preset exhaust temperature rising speed;
the frequency adjusting module is used for adjusting the running frequency of the compressor according to the exhaust temperature rising rate and the state of the running frequency of the compressor after determining the exhaust temperature rising rate, and controlling the compressor to run according to the adjusted running frequency; wherein the states of the compressor operation frequency include a rising state and a steady state.
The air conditioner starting control device provided by the invention can effectively avoid the phenomenon of air conditioner shutdown caused by the reasons of exhaust temperature overshoot, exhaust lag behind a system and the like, thereby improving the operation reliability of the air conditioner in the starting stage and the use feeling of a user.
The third objective of the present invention is to provide an air conditioner, so as to solve the technical problems existing in the prior art that shutdown protection occurs at the start-up stage of the air conditioner, the operation is not reliable, and the user experience is not good.
The air conditioner provided by the invention comprises a compressor and a processor, wherein the processor can execute the air conditioner starting control method.
The air conditioner provided by the invention can effectively avoid the shutdown phenomenon of the air conditioner caused by the reasons of exhaust temperature overshoot, exhaust lag behind a system and the like, thereby improving the operation reliability of the air conditioner in the starting stage and the use feeling of a user.
A fourth object of the present invention is to provide a computer-readable storage medium, so as to solve the technical problems existing in the prior art that shutdown protection occurs at the start-up stage of an air conditioner, operation is not reliable, and user experience is poor.
The computer-readable storage medium stores a computer program, and when the computer program is read and executed by a processor, the method for controlling the starting of the air conditioner is realized.
The computer readable storage medium provided by the invention can effectively avoid the phenomenon of air conditioner shutdown caused by the reasons of exhaust temperature overshoot, exhaust lag behind a system and the like when a computer program in the computer readable storage medium runs, thereby improving the running reliability of the air conditioner in the starting stage and the use feeling of a user.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a logic diagram of an air conditioner start control method according to the present invention;
FIG. 2 is a flowchart of an air conditioner start control method according to the present invention;
fig. 3 is a schematic diagram of an air conditioner start control device provided by the invention.
Description of reference numerals:
100-a first acquisition module; 200-a first judgment module; 300-a rate determination module; 400-frequency 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. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment provides an air conditioner starting control method, which is applied to an air conditioner and comprises the following steps of:
and S102, after the compressor is started to operate, acquiring the current exhaust temperature T of the compressor.
Specifically, the current discharge temperature T of the compressor may be obtained after the compressor is started to operate for a preset first time period. For example, the preset first time period may be 2min, and after the compressor is started and operated for 2min, the current exhaust temperature T of the compressor is obtained. Because the exhaust temperature of the compressor rises to a certain temperature after the compressor is started and operated for a certain time, the current exhaust temperature is obtained immediately instead of the compressor being started, so that the rationality of the method is ensured, and the execution steps of the method are reduced.
S104, judging whether the current exhaust temperature T is more than or equal to the preset pre-protection temperature TFront protectionThat is, it is judged whether or not the current exhaust temperature and the preset pre-guard temperature satisfy T ≧ TFront protection(ii) a Wherein, in advanceSetting a pre-protection temperature TFront protectionLess than the protection temperature of the compressor.
In particular, the preset pre-protection temperature T of the compressorFront protectionCan be set to 100 ℃ or less, i.e., T Front protection100 ℃ or less, e.g., TFront protection80 ℃. Of course, this arrangement is suitable for the case where the protection temperature of the compressor is higher than 100 ℃, and when the protection temperature of the compressor is lower than 100 ℃, the preset pre-protection temperature T may be further reducedFront protection。
And S106, if so, determining the exhaust temperature rising rate v.
Specifically, the exhaust temperature rising rate v is a change value of the exhaust temperature per unit time.
S108, after the exhaust temperature rising rate v is determined, adjusting the running frequency f of the compressor according to the exhaust temperature rising rate v and the state of the running frequency of the compressor, and controlling the compressor to run according to the adjusted running frequency; wherein, the states of the compressor operation frequency include a rising state and a steady state.
In the air conditioner start control method provided by this embodiment, before the discharge temperature T of the compressor reaches the protection temperature, the operation frequency f of the compressor is actively adjusted, and the parameters to be referred to for adjustment include not only the current discharge temperature T, but also the discharge temperature increase rate v, i.e., the speed of the discharge temperature increase, and whether the compressor operation frequency is increased or stabilized, i.e., in addition to the current discharge temperature T, the method provided by this embodiment also takes the states of the discharge temperature increase rate v and the compressor operation frequency as the reference parameters for the discharge protection of the compressor. In other words, the present embodiment provides a method for reaching the pre-set pre-guard temperature T when the current exhaust temperature T reaches the pre-set pre-guard temperature TFront protectionAnd then before reaching the protection temperature, identifying the rising condition of the exhaust temperature according to the rising rate v of the exhaust temperature and the state of the running frequency of the compressor, predicting the rising trend of the current exhaust temperature T, adjusting the running frequency f of the compressor in time, and effectively controlling the exhaust temperature of the compressor, thereby effectively avoiding the problems of the overshoot of the exhaust temperature and the lag of the exhaust in the system and the likeThe air conditioner is stopped, that is, the method provided by the embodiment adopts more reasonable reference parameters for the exhaust protection of the compressor, so that the operation reliability of the air conditioner at the starting stage and the use feeling of a user are improved.
Specifically, in this embodiment, as shown in fig. 2, the step of adjusting the operating frequency f of the compressor according to the exhaust temperature rising rate v and the state of the operating frequency of the compressor includes:
s210, judging whether the exhaust temperature rising speed v is larger than or equal to a first preset protection speed v1That is, the exhaust temperature rising rate v and the first preset guard rate v are judged1Whether v is more than or equal to v1(ii) a Wherein the first preset protection rate v1The value range of (A) can be set to be less than or equal to v at 3 ℃/min17 ℃/min or less, e.g., 5 ℃/min with v 1.
S220, if yes, judging whether the exhaust temperature rising speed v is larger than or equal to a second preset protection speed v2That is, the exhaust temperature rising rate v and the second preset guard rate v are judged2Whether v is more than or equal to v2(ii) a (ii) a Wherein the second predetermined protection rate is greater than the first predetermined protection rate, i.e. v2≥v1。
In particular, v2＝X*v1Wherein X > 0. More specifically, X is 1.5.
S230, if yes, judging whether the running frequency f of the compressor is in an ascending state:
and S231, if yes, controlling the running frequency of the compressor to be unchanged. In other words, when the exhaust temperature rising rate is greater than or equal to the second preset protection rate, namely the exhaust temperature rising rate is high, and the operating frequency of the compressor is in a rising state, the operating frequency of the compressor is controlled to stop rising, so that the exhaust temperature can be controlled, the shutdown caused by the overshoot of the exhaust temperature rising and the like can be effectively avoided, the compressor can be operated at the high operating frequency, and the state set by a user can be quickly realized.
And S232, if not, namely the running frequency of the compressor is in a stable state, reducing the running frequency of the compressor. In other words, when the exhaust temperature rising rate is equal to or greater than the second preset guard rate, that is, the exhaust temperature rising rate is fast, but the operating frequency of the compressor is in a steady state, the operating frequency of the compressor is decreased to decrease the rising rate of the exhaust temperature, for example, by 5 Hz.
Specifically, in this embodiment, as shown in fig. 2, the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate v and the state of the operating frequency of the compressor further includes:
s240, if the exhaust temperature rising rate is greater than or equal to a first preset protection rate but less than a second preset protection rate, judging whether the running frequency of the compressor is in a rising state;
and S241, if yes, reducing the frequency increasing rate of the compressor. In other words, when the exhaust temperature rising rate is between the first preset protection rate and the second preset protection rate, that is, the exhaust temperature rising rate is slow, but the operation frequency of the compressor is in a rising state, the frequency rising rate of the compressor is reduced to reduce the rising rate of the exhaust temperature, for example: the compressor's ramp rate can be reduced to half the original ramp rate, i.e., f ═ f/2.
And S242, if not, namely the operation frequency of the compressor is in a stable state, controlling the operation frequency of the compressor to be unchanged. In other words, when the exhaust temperature rising rate is between the first preset protection rate and the second preset protection rate, that is, the exhaust temperature rising rate is slow, and the operating frequency of the compressor is in a steady state, the operating frequency of the compressor is controlled to be unchanged.
Specifically, in this embodiment, the step of adjusting the operating frequency of the compressor according to the exhaust temperature increase rate and the state of the operating frequency of the compressor further includes:
and S250, if the exhaust temperature rising rate is smaller than the first preset protection rate, controlling the running frequency of the compressor to be unchanged. Because, when the exhaust temperature rising rate is smaller than the first preset guard rate, the exhaust temperature rising rate is slow.
Specifically, in this embodiment, continuing as shown in fig. 2, the method further includes:
if the current exhaust temperature is smaller than the preset preposed protection temperature, acquiring the current accumulated operation time of the compressor, and judging whether the current accumulated operation time is smaller than or equal to a preset second time:
if yes, after the first time is preset at intervals, the exhaust temperature of the compressor is obtained again, and the subsequent steps are executed. Within the preset second time period, if the current exhaust temperature is smaller than the preset pre-protection temperature, the exhaust temperature of the compressor is acquired once every preset first time period, so that the exhaust temperature can be acquired in time within the preset second time period, and corresponding actions are executed. The preset second time period may be 30 min.
If not, namely, if the current accumulated running time is longer than the preset second time, controlling the compressor to continue running.
Specifically, in this embodiment, please continue to fig. 2, the method further includes:
and S260, after the compressor operates for a preset third time according to the adjusted operating frequency, determining the exhaust temperature rising rate again, and executing the subsequent steps. And controlling the compressor to operate for a certain time according to the adjusted operating frequency, and then reducing the rising rate of the exhaust temperature, so that the rising rate of the exhaust temperature is determined again, and the subsequent steps are executed until the rising rate of the exhaust temperature is reduced to be smaller than the preset first protection rate. Wherein, the third preset time period may be 1 min.
This embodiment still provides an air conditioner start control device, is applied to the air conditioner, and the device includes:
the first obtaining module 100 is used for obtaining the current exhaust temperature of the compressor after the compressor is started to operate;
the first judgment module 200 is used for judging whether the current exhaust temperature is greater than or equal to a preset pre-protection temperature; the preset preposed protection temperature is less than the protection temperature of the compressor;
a rate determination module 300 configured to determine an exhaust temperature rise rate if yes;
the frequency adjusting module 400 is configured to adjust an operating frequency of the compressor according to the exhaust temperature increase rate and a state of the operating frequency of the compressor after determining the exhaust temperature increase rate, and control the compressor to operate according to the adjusted operating frequency; wherein, the states of the compressor operation frequency include a rising state and a steady state.
The air conditioner starting control device provided by the embodiment can effectively avoid the phenomenon of air conditioner shutdown caused by the reasons of exhaust temperature overshoot, exhaust lag behind a system and the like, thereby improving the operation reliability of the air conditioner starting stage and the use feeling of a user.
Specifically, in this embodiment, the first obtaining module 100 is configured to obtain the current exhaust temperature of the compressor after the compressor starts to operate for a preset first time period.
Specifically, in this embodiment, the apparatus further includes
The second acquisition module is used for acquiring the current accumulated running time of the compressor if the current exhaust temperature is less than the preset preposed protection temperature;
the second judgment module is used for judging whether the current accumulated running time is less than or equal to a preset second time; if so, after the preset first time interval, acquiring the exhaust temperature of the compressor again, and executing the subsequent steps; if not, controlling the compressor to continue to operate.
The embodiment also provides an air conditioner, which comprises a compressor and a processor, wherein the processor can execute the method. The air conditioner can effectively avoid the phenomenon of air conditioner shutdown caused by the reasons of exhaust temperature overshoot, exhaust lag behind a system and the like, thereby improving the operation reliability of the air conditioner in the starting stage and the use feeling of a user.
The present embodiment also provides a computer-readable storage medium, which stores a computer program, and when the computer program is read and executed by a processor, the computer program implements the method described above. The computer readable storage medium, when the computer program runs, can effectively avoid the phenomenon of air conditioner shutdown caused by the reasons of exhaust temperature overshoot and exhaust lag behind the system, and the like, thereby improving the operation reliability of the air conditioner in the starting stage and the use feeling of users.
Finally, it is further 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.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. The air conditioner starting control method is applied to an air conditioner and comprises the following steps:
after the compressor is started to operate, acquiring the current exhaust temperature of the compressor;
judging whether the current exhaust temperature is greater than or equal to a preset pre-protection temperature or not; the preset preposed protection temperature is less than the protection temperature of the compressor;
if yes, determining the exhaust temperature rising rate;
after the exhaust temperature rising rate is determined, adjusting the running frequency of the compressor according to the exhaust temperature rising rate and the state of the running frequency of the compressor, and controlling the compressor to run according to the adjusted running frequency; wherein the states of the compressor operation frequency include a rising state and a steady state.
2. The air conditioner start-up control method as set forth in claim 1, wherein the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor comprises:
judging whether the exhaust temperature rising rate is greater than or equal to a first preset protection rate or not;
if so, judging whether the exhaust temperature rising rate is greater than or equal to a second preset protection rate or not; wherein the second preset protection rate is greater than the first preset protection rate;
if so, judging whether the running frequency of the compressor is in an ascending state;
and if so, controlling the running frequency of the compressor to be unchanged.
3. The air conditioner start-up control method as set forth in claim 2, wherein the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further comprises:
and if the exhaust temperature rising rate is greater than or equal to the second preset protection rate and the running frequency of the compressor is in a stable state, reducing the running frequency of the compressor.
4. The air conditioner start-up control method as set forth in claim 2, wherein the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further comprises:
if the exhaust temperature rising rate is greater than or equal to the first preset protection rate but less than the second preset protection rate, judging whether the running frequency of the compressor is in a rising state;
if so, the rate of increasing the frequency of the compressor is reduced.
5. The air conditioner start-up control method as set forth in claim 4, wherein the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further comprises:
and if the exhaust temperature rising rate is greater than or equal to the first preset protection rate but less than the second preset protection rate and the running frequency of the compressor is in a stable state, controlling the running frequency of the compressor to be unchanged.
6. The air conditioner start-up control method as set forth in claim 2, wherein the step of adjusting the operating frequency of the compressor according to the exhaust temperature rising rate and the state of the operating frequency of the compressor further comprises:
and if the exhaust temperature rising rate is smaller than the first preset protection rate, controlling the running frequency of the compressor to be unchanged.
7. The air conditioner start-up control method according to claim 1, wherein the current discharge temperature of the compressor is obtained after the compressor is started up to operate for a preset first time period.
8. The air conditioner start-up control method according to claim 7, characterized by further comprising: if the current exhaust temperature is smaller than the preset pre-protection temperature, acquiring the current accumulated operation time of the compressor, and judging whether the current accumulated operation time is smaller than or equal to a preset second time;
if so, after the preset first time interval, acquiring the exhaust temperature of the compressor again, and executing the subsequent steps.
9. The air conditioner start-up control method according to claim 8, characterized by further comprising: and if the current accumulated running time is longer than the preset second time, controlling the compressor to continue running.
10. The air conditioner start-up control method according to claim 1, characterized by further comprising: and after the compressor operates for a preset third time according to the adjusted operating frequency, determining the exhaust temperature rising rate again, and executing the subsequent steps.
11. The utility model provides an air conditioner start control device which characterized in that, is applied to the air conditioner, includes:
the first acquisition module is used for acquiring the current exhaust temperature of the compressor after the compressor is started to operate;
the first judgment module is used for judging whether the current exhaust temperature is greater than or equal to a preset pre-protection temperature or not; the preset preposed protection temperature is less than the protection temperature of the compressor;
the speed determining module is used for determining the exhaust temperature rising speed if the exhaust temperature rising speed is larger than the preset exhaust temperature rising speed;
the frequency adjusting module is used for adjusting the running frequency of the compressor according to the exhaust temperature rising rate and the state of the running frequency of the compressor after determining the exhaust temperature rising rate, and controlling the compressor to run according to the adjusted running frequency; wherein the states of the compressor operation frequency include a rising state and a steady state.
12. An air conditioner comprising a compressor and a processor, said processor being capable of performing the method of any one of claims 1-10.
13. 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 1-10.
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| CN117052643A (en) * | 2023-10-11 | 2023-11-14 | 浙江极氪汽车研究开发有限公司 | Control method and control system of electric compressor, air conditioning system and vehicle |
| CN117052643B (en) * | 2023-10-11 | 2024-04-26 | 浙江极氪汽车研究开发有限公司 | Control method and control system of electric compressor, air conditioning system and vehicle |
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| CN113757903B (en) | 2023-02-10 |
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