CN108758976A - Control method, device and the air-conditioning with it of air-conditioning - Google Patents
Control method, device and the air-conditioning with it of air-conditioning Download PDFInfo
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- CN108758976A CN108758976A CN201810629187.XA CN201810629187A CN108758976A CN 108758976 A CN108758976 A CN 108758976A CN 201810629187 A CN201810629187 A CN 201810629187A CN 108758976 A CN108758976 A CN 108758976A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
-
- 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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/20—Sunlight
Abstract
The invention discloses a kind of control method of air-conditioning, device and with its air-conditioning, wherein method includes：Identification air-conditioning inner compressor is run according to minimum operating frequency；Obtain the target operating frequency at compressor current time；Obtain the outdoor sunshine amount at air-conditioning current time；According to target operating frequency and outdoor sunshine amount, judge whether that control increases the aperture of the electric expansion valve in air-conditioning；If it is judged that needing to control the aperture for increasing electric expansion valve, then the aperture of the electric expansion valve in air-conditioning is controlled to target aperture.Thus, avoid the high frequent start and stop of Split type air conditioner, it is energy saving, improve the reliability of compressor, improve indoor thermal comfort, indoor cooling and heating load variation is predicted according to outdoor sunshine amount, and the technical issues of refrigerating capacity is more than indoor actual demand cold is exported when solving air-conditioning low-limit frequency operation in the prior art.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of control method of air-conditioning, device and the air-conditioning with it.
Background technology
Currently, the control mode of conventional convertible frequency air-conditioner is compressor high frequency operation after booting, indoor temperature rapid decrease,
When indoor temperature drops to some value lower than remote controler set temperature (i.e.：Da Wen shutdown offsets, generally 1 DEG C~5 DEG C, root
Do not stop according to each factory settings) when, air-conditioning can reach temperature and shut down.After shutdown, indoor temperature no longer because air-conditioning under the influence of drop, with
Time increases, and when indoor temperature goes back up to the condition of Auto Power On, air-conditioning can reopen again.And with indoor temperature and remote control
Compressor operating frequency can also reduce therewith during the difference of device set temperature reduces, finally the stage pressure before shutdown
Contracting chance is run with lowest power, and air conditioner refrigerating ability is made to be preferably minimized, and is no longer declined with being maintained room temperature.According to refrigeration
The regulation of outdoor environment each dimension time of origin when operating mode is run, wherein 24 DEG C~28 DEG C account in cold operating mode total time
40%, it, can if refrigerating capacity even if air conditioner operation parameters do not change by refrigeration principle it is found that when outdoor temperature declines
Become larger.
In the related technology, when indoor temperature is shut down close to up to temperature, when compressor operating lower frequency, due to refrigerant flow rate
Slowly, in order to ensure that target exhaust value, the target exhaust degree of superheat or target suction superheat, electronic expansion valve opening can constantly subtract
Small, but if outdoor temperature is begun to decline at this time, air conditioner refrigerating ability can slowly increase, and being more than indoor required refrigeration needs
Ask, easily cause air-conditioning repeatedly starting and stopping at this time, greatly reduce indoor room temperature thermal comfort, also to compressor can
It affects by property.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, first purpose of the present invention is to propose a kind of control method of air-conditioning, Split type air conditioner is avoided
High frequent start and stop, it is energy saving, the reliability of compressor is improved, indoor thermal comfort is improved, according to outdoor day
Indoor cooling and heating load variation is predicted according to amount, and output refrigerating capacity is more than room when solving air-conditioning low-limit frequency operation in the prior art
The technical issues of interior actual demand cold.
Second object of the present invention is to propose a kind of control device of air-conditioning.
Third object of the present invention is to propose a kind of air-conditioning.
Fourth object of the present invention is to propose a kind of electronic equipment.
The 5th purpose of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of control method of air-conditioning, the air-conditioning
It runs, the described method comprises the following steps in cooling mode：Identify that the air-conditioning inner compressor is transported according to minimum operating frequency
Row；Obtain the first object running frequency at the compressor current time；Obtain the first outdoor day at the air-conditioning current time
According to amount；According to the first object running frequency and the first outdoor sunshine amount, judge whether that control increases in the air-conditioning
Electric expansion valve aperture；If it is judged that needing to control the aperture for increasing the electric expansion valve, then the air-conditioning is controlled
The aperture of interior electric expansion valve is to target aperture.
The control method of the air-conditioning of the embodiment of the present invention can identify that air-conditioning inner compressor is transported according to minimum operating frequency
Row, and the first object running frequency at compressor current time is obtained, and the first outdoor sunshine amount at air-conditioning current time is obtained,
And according to first object running frequency and the first outdoor sunshine amount, judge whether that control increases opening for the electric expansion valve in air-conditioning
Degree；If it is judged that needing to control the aperture for increasing electric expansion valve, then the aperture of the electric expansion valve in air-conditioning is controlled to mesh
Aperture is marked, the high frequent start and stop of Split type air conditioner are avoided, it is energy saving, the reliability of compressor is improved, is improved
Indoor thermal comfort predicts that indoor cooling and heating load changes according to outdoor sunshine amount, it is minimum to solve air-conditioning in the prior art
The technical issues of output refrigerating capacity is more than indoor actual demand cold when frequency is run.
In addition, the control method of air-conditioning according to the above embodiment of the present invention can also have following additional technology special
Sign：
In one embodiment of the invention, the identification air-conditioning inner compressor is run according to minimum operating frequency,
Including：The running frequency for obtaining the compressor current time, by the running frequency at current time and the minimum operating frequency
It is compared, if the running frequency at current time is consistent with the minimum operating frequency, it is determined that the compressor is according to institute
State minimum operating frequency operation.
In one embodiment of the invention, described according to the first object running frequency and the first outdoor sunshine
Amount judges whether that control increases the aperture of the electric expansion valve in the air-conditioning, including：Judge the first object running frequency
Whether current time corresponding first frequency threshold value is less than or equal to；Judge the described first outdoor sunshine amount whether be less than or
Equal to preset first sunshine amount threshold value；If the first object running frequency is corresponded to less than or equal to the current time
First frequency threshold value and the first outdoor sunshine amount be less than or equal to the first sunshine amount threshold value, then judge to need
Control increases the aperture of the electric expansion valve.
In one embodiment of the invention, the first object running frequency for judging current time whether be less than or
Equal to the current time first frequency threshold value before further include：Obtain the object run frequency of the compressor previous moment
Rate obtains the frequency-splitting of previous moment according to the target operating frequency of previous moment and the minimum operating frequency；According to institute
The frequency-splitting for stating minimum operating frequency and previous moment obtains the current time corresponding first frequency threshold value.
In one embodiment of the invention, the control increases the aperture of the electric expansion valve in the air-conditioning to target
After aperture, further include：Duration to the electric expansion valve in the target aperture carries out timing, when described continue
Between reach the preset time after, then control the electric expansion valve and be restored to initial opening from the target aperture；Wherein, described
Initial opening is the aperture that the electric expansion valve is given tacit consent under the refrigeration mode.
In one embodiment of the invention, the control electric expansion valve is restored to initially from the target aperture
Aperture, including：Obtain second target operating frequency at the compressor current time；Obtain the outer sunshine of second Room at current time
Measurement；If second target operating frequency at the current time is more than current time corresponding second frequency threshold value or described
The outer sunshine amount of the second Room at current time is more than the second sunshine amount threshold value or the outer sunshine amount of the second Room at the current time is big
In sunshine amount outside the second Room of previous moment, then controls the electric expansion valve and be restored to initial opening from the target aperture.
In one embodiment of the invention, the control method of above-mentioned air-conditioning further includes：If the current time
Second target operating frequency is less than or equal to outside the second frequency threshold value at the current time and the second Room at the current time
The outer sunshine amount of second Room at sunshine amount is less than or equal to the second sunshine amount threshold value either current time be less than or
Equal to sunshine amount outside the second Room of the previous moment, then continue the aperture that control increases the electric expansion valve.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of control device of air-conditioning, including：Identification
Module, for identification the air-conditioning inner compressor run according to minimum operating frequency；First acquisition module, for obtaining the pressure
The first object running frequency at contracting machine current time；Second acquisition module, the first Room for obtaining the air-conditioning current time
Outer sunshine amount；Judgment module, for according to the first object running frequency and the first outdoor sunshine amount, judging whether to control
System increases the aperture of the electric expansion valve in the air-conditioning；Control module, for judging to need to control to increase the electronics
When the aperture of expansion valve, the aperture of the electric expansion valve in the air-conditioning is controlled to target aperture.
The control device of the air-conditioning of the embodiment of the present invention can identify air-conditioning inner compressor according to minimum by identification module
Running frequency is run, and the first object running frequency at compressor current time is obtained by the first acquisition module, and passes through the
Two acquisition modules obtain the first outdoor sunshine amount at air-conditioning current time, and by judgment module according to first object running frequency
With the first outdoor sunshine amount, judge whether that control increases the aperture of the electric expansion valve in air-conditioning, and sentencing by control module
When the aperture for needs control increase electric expansion valve of breaking, the aperture of the electric expansion valve in air-conditioning is controlled to target aperture, is kept away
Exempt from the high frequent start and stop of Split type air conditioner, it is energy saving, the reliability of compressor is improved, indoor heat is improved and relaxes
Adaptive predicts that indoor cooling and heating load changes according to outdoor sunshine amount, when solving air-conditioning low-limit frequency operation in the prior art
Export the technical issues of refrigerating capacity is more than indoor actual demand cold.
In addition, the control device of air-conditioning according to the above embodiment of the present invention can also have following additional technology special
Sign：
In one embodiment of the invention, the identification module, is specifically used for：Obtain the compressor current time
The running frequency at current time is compared by running frequency with the minimum operating frequency, if the operation frequency at current time
Rate is consistent with the minimum operating frequency, it is determined that the compressor is run according to the minimum operating frequency.
In one embodiment of the invention, the judgment module, is specifically used for：Judge the first object running frequency
Whether current time corresponding first frequency threshold value is less than or equal to；Judge the described first outdoor sunshine amount whether be less than or
Equal to preset first sunshine amount threshold value；If the first object running frequency is less than or equal to current time corresponding the
The one frequency threshold and first outdoor sunshine amount is less than or equal to the first sunshine amount threshold value, then judge to need to control
Increase the aperture of the electric expansion valve.
In one embodiment of the invention, the judgment module, is additionally operable to：In the first object fortune for judging current time
Whether line frequency is less than or equal to before the first frequency threshold value currently carved, and obtains the mesh of the compressor previous moment
Mark running frequency obtains the difference on the frequency of previous moment according to the target operating frequency of previous moment and the minimum operating frequency
Value；According to the frequency-splitting of the minimum operating frequency and previous moment, the current time corresponding first frequency threshold is obtained
Value.
In one embodiment of the invention, the control device of above-mentioned air-conditioning further includes：Timing module, for increasing
After the aperture to target aperture for adding the electric expansion valve in the air-conditioning, to the electric expansion valve in the target aperture
Duration carries out timing；The control module is additionally operable to after the duration reaching the preset time, control the electricity
Sub- expansion valve is restored to initial opening from the target aperture；Wherein, the initial opening is the electric expansion valve described
The aperture given tacit consent under refrigeration mode.
In one embodiment of the invention, the control module, is specifically used for：Obtain the compressor current time
Second target operating frequency；Obtain the outer sunshine measurement of second Room at current time；If second target at the current time is transported
Line frequency is more than the current time corresponding second frequency threshold value or the outer sunshine amount of the second Room at the current time is more than
Second sunshine amount threshold value or the outer sunshine amount of the second Room at the current time are more than the outer sunshine of second Room of the previous moment
Amount, then control the electric expansion valve and be restored to initial opening from the target aperture.
In one embodiment of the invention, the control module, is additionally operable to：If second target at the current time
Running frequency is less than or equal to the second frequency threshold value at the current time and the outer sunshine amount of the second Room at the current time is small
It is less than or equal to equal to sunshine amount outside the second sunshine amount threshold value or the second Room at the current time in either previous
The outer sunshine amount of the second Room at moment, then continue the aperture that control increases the electric expansion valve.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of air-conditioning comprising above-mentioned air-conditioning
Control device.
The air-conditioning of the embodiment of the present invention avoids the compressor of Split type air conditioner by the control device of above-mentioned air-conditioning
Frequent start-stop, it is energy saving, the reliability of compressor is improved, indoor thermal comfort is improved, it is pre- according to outdoor sunshine amount
Indoor cooling and heating load variation is surveyed, output refrigerating capacity is more than indoor practical when solving air-conditioning low-limit frequency operation in the prior art
The technical issues of demand cold.
In order to achieve the above objectives, fourth aspect present invention embodiment proposes a kind of electronic equipment, including memory, processing
Device；Wherein, the processor can perform to run with described by reading the executable program code stored in the memory
The corresponding program of program code, for realizing the control method of above-mentioned air-conditioning.
The electronic equipment of the embodiment of the present invention avoids Split type air conditioner by executing the control method of above-mentioned air-conditioning
High frequent start and stop, it is energy saving, improve the reliability of compressor, indoor thermal comfort improved, according to outdoor
Sunshine amount predicts indoor cooling and heating load variation, and output refrigerating capacity is more than when solving air-conditioning low-limit frequency operation in the prior art
The technical issues of indoor actual demand cold.
In order to achieve the above objectives, fifth aspect present invention embodiment proposes a kind of non-transitory computer-readable storage medium
Matter is stored thereon with computer program, which realizes the control method of above-mentioned air-conditioning when being executed by processor.
The non-transitorycomputer readable storage medium of the embodiment of the present invention, by the controlling party for executing above-mentioned air-conditioning
Method avoids the high frequent start and stop of Split type air conditioner, energy saving, improves the reliability of compressor, improves interior
Thermal comfort, predict that indoor cooling and heating load changes according to outdoor sunshine amount, solve air-conditioning low-limit frequency in the prior art
The technical issues of refrigerating capacity is more than indoor actual demand cold is exported when operation.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the flow chart according to the control method of the air-conditioning of the embodiment of the present invention；
Fig. 2 is the schematic diagram that electric expansion valve corresponds to sunshine amount adjustment；
Fig. 3 is the flow chart according to the control method of the air-conditioning of one embodiment of the invention；
Fig. 4 is indoor temperature change generated in case schematic diagram under normal refrigerating mode and antifreeze awake pattern；
Fig. 5 is the flow chart according to the control method of the air-conditioning of a specific embodiment of the invention；
Fig. 6 is the block diagram according to the control device of the air-conditioning of the embodiment of the present invention；
Fig. 7 is the block diagram according to the air-conditioning of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Control method, device and the sky with it of the air-conditioning proposed according to embodiments of the present invention are described with reference to the accompanying drawings
It adjusts.
Fig. 1 is the flow chart of the control method of the air-conditioning of the embodiment of the present invention.Air-conditioning is run in cooling mode, such as Fig. 1
Shown, the control method of the air-conditioning includes the following steps：
S1, identification air-conditioning inner compressor are run according to minimum operating frequency.
It specifically, can be by data collecting module collected in a period inner compressor frequency, to identify that compressor is pressed
According to minimum operating frequency, due to compressor reliability design reasons, the minimum operating frequency of compressor is generally 10~25Hz, respectively
There are different differences in producer.
In addition, the frequency due to compressor is unstable, when its steady operation is in a certain running frequency, it is possible to can because
Mutation so that the running frequency of compressor is being higher or lower than in a flash current operation frequency.Therefore, in order to improve identification
Accuracy, after compressor is in minimum operating frequency certain time, to determine that it runs according to minimum operating frequency.
It should be understood that as the air-conditioning opening time increases, air conditioner refrigerating amount increases, and compressor can be by initial air-conditioning system
Highest frequency when cold boot continuously decreases, and when indoor temperature is reduced near preset temperature, the frequency of compressor is possible to
It is reduced to minimum operating frequency, when compressor of air conditioner running frequency is reduced to low-limit frequency, target operating frequency is still below most
Low running frequency then shows that the ability of air-conditioning output at this time is more than the refrigerating capacity of indoor needs at present.
Optionally, in one embodiment of the invention, can by obtain compressor current time running frequency, and
The running frequency at current time is compared with minimum operating frequency, if the running frequency at current time and minimum operation frequency
Rate is consistent, it is determined that compressor is run according to minimum operating frequency.
That is, during air conditioner refrigerating mode operation, if if the running frequency at compressor current time is held
Continuous a period of time keeps consistent with minimum operating frequency, then illustrates that compressor is run according to minimum operating frequency.
S2 obtains the first object running frequency at compressor current time.
S3 obtains the first outdoor sunshine amount at air-conditioning current time.
Specifically, first object running frequency is the first object running frequency for the next step that air-conditioning is sent to compressor,
Wherein, any frequency can be transmitted to compressor in air-conditioning internal machine instruction, and the difference of indoor temperature and set temperature is smaller, the pressure of transmission
Contracting unit frequency is lower；First outdoor sunshine amount can be obtained by temperature sensor measurement.
S4 judges whether that control increases the electronics in air-conditioning according to first object running frequency and the first outdoor sunshine amount
The aperture of expansion valve.
S5 then controls the electric expansion valve in air-conditioning if it is judged that needing to control the aperture for increasing electric expansion valve
Aperture is to target aperture.
Specifically, air conditioner operation refrigeration mode when, can be according to the size of first object running frequency, first outdoor
Sunshine amount come determine the need for control increase air-conditioning in electric expansion valve aperture and judging control increase air-conditioning
The aperture of interior electric expansion valve then controls the aperture for increasing the electric expansion valve in air-conditioning.
Specifically, the numerical value of calibration first outdoor sunshine amount and electronic expansion valve opening can be carried out in advance, to establish
Mapping relations are stored in preset table, as shown in table 1, when the electronics for being determined that control is needed to increase in air-conditioning according to step S4
When the aperture of expansion valve, so that it may directly obtain the adjusting of corresponding electronic expansion valve opening from above-mentioned preset table.
Table 1
Specifically, in conjunction with table 1 and Fig. 2, the operation of next step electric expansion valve can be adjusted according to outdoor insolation amount Lx and is opened
Degree, wherein electronic expansion valve opening meets K=f (Lx), and refrigeration system is adjusted by increasing the adjusting of electronic expansion valve opening
Refrigerant circulation achieve the purpose that reduce indoor refrigerating capacity output, L1 is default outdoor insolation amount, corresponding Kx is K
(Lx), compressor operating minimum can running frequency and target frequency when being less than Fmin-X1 at the outer temperature of the respective chamber/chambers tested
Electronic expansion valve opening when room temperature does not decline.
As a result, by the detection and judgement to first object running frequency, electric expansion valve is carried out according to outdoor temperature
It adjusts, when can reach that refrigeration duty is relatively low under user's sleep state, avoids air-conditioning repeatedly starting and stopping, indoor temperature stabilization is made to set
Within temperature range, indoor thermal comfort is improved, output refrigeration when solving air-conditioning low-limit frequency operation in the prior art
Amount is more than the technical issues of indoor actual demand cold, while also avoiding high frequent start and stop, and improve compressor can
By property, and power consumption greatly reduces.
In one embodiment of the invention, as shown in figure 3, according to first object running frequency and the first outdoor sunshine
Amount judges whether that control increases the aperture of the electric expansion valve in air-conditioning, includes the following steps：
S301, judges whether first object running frequency is less than or equal to current time corresponding first frequency threshold value.
S302, judges whether the first outdoor sunshine amount is less than or equal to preset first sunshine amount threshold value.
S303, if first object running frequency is less than or equal to current time corresponding first frequency threshold value and outdoor
Sunshine amount is less than or equal to the first sunshine amount threshold value, then judges to need to control the aperture for increasing electric expansion valve.
Specifically, preset first sunshine amount threshold value can be learnt by those skilled in the art according to actual conditions,
In, when air-conditioning is in normal refrigerating state, and when first object running frequency, the first outdoor sunshine amount meet following operation items
When part, control increases the aperture of electric expansion valve.
S304, if first object running frequency is more than current time corresponding first frequency threshold value, or outdoor sunshine
Amount is more than the first sunshine amount threshold value, then maintains the aperture of control electric expansion valve.
Specifically, the first sunshine amount threshold value can be learnt by those skilled in the art according to actual conditions, wherein work as sky
It mediates in normal refrigerating state, if first object running frequency is more than current time corresponding first frequency threshold value or room
Outer sunshine amount is more than the first sunshine amount threshold value, then needs the aperture for maintaining control electric expansion valve.
From the foregoing, it will be observed that in the embodiment of the present invention, control increases the condition that electronic expansion valve opening needs meet and is：
(1) current operation frequency of compressor is minimum operating frequency；
(2) first object running frequency is less than or equal to (Fmin-X1), wherein Fmin is minimum operating frequency, and X1 is
The target operating frequency of previous moment and the difference of minimum operating frequency, the first frequency threshold value at (Fmin-X1) i.e. current time.
In one embodiment of the invention, current time corresponding first frequency threshold value can be according to minimum operating frequency
It is obtained with the frequency-splitting of previous moment, and the frequency-splitting of previous moment can pass through the target of acquisition compressor previous moment
Running frequency and minimum operating frequency obtain.Therefore, current time corresponding first frequency threshold value can be by obtaining compressor
The target operating frequency and minimum operating frequency of previous moment obtain, to further compare first object running frequency with
The size of current time corresponding first frequency threshold value.
It should be noted that the first frequency threshold value at current time, or preset frequency threshold, it can't be with
The variation of target frequency also changes.
(3) first outdoor sunshine amounts are less than or equal to the preset first outdoor sunshine amount threshold value.
Further, in one embodiment of the invention, control increases the aperture of the electric expansion valve in air-conditioning to mesh
After marking aperture, further include：Duration to electric expansion valve in target aperture carries out timing, is preset when the duration reaches
Time after, then control electric expansion valve and be restored to initial opening from target aperture；Wherein, initial opening is that electric expansion valve exists
The aperture given tacit consent under refrigeration mode.
Specifically, after the aperture to target aperture that control increases the electric expansion valve in air-conditioning, to avoid the occurrence of use
The situation of family body-sensing discomfort can carry out timing by the duration to electric expansion valve in target aperture, work as the duration
After reaching the preset time, control electric expansion valve is restored to initial opening from target aperture, wherein the preset time can be by
Actual conditions are set, and are not particularly limited herein.
In one embodiment of the invention, control electric expansion valve is restored to initial opening from target aperture, including：It obtains
Take second target operating frequency at compressor current time；Obtain the outer sunshine measurement of second Room at current time；If when current
The second target operating frequency carved is more than current time corresponding second frequency threshold value or the outer sunshine of the second Room at current time
Amount is more than the outer sunshine amount of second Room of previous moment more than the second sunshine amount threshold value or the outer sunshine amount of the second Room at current time,
It then controls electric expansion valve and is restored to initial opening from target aperture.
Specifically, after the aperture to target aperture that control increases the electric expansion valve in air-conditioning, detection pressure can be continued
The outer sunshine amount of second target operating frequency and second Room at contracting machine current time, when meeting one in following conditions, control
Electric expansion valve is restored to initial opening from target aperture, to effectively increase indoor thermal comfort, solves existing skill
The technical issues of output refrigerating capacity is more than indoor actual demand cold when air-conditioning low-limit frequency is run in art, meet the need of user
It asks.
From the foregoing, it will be observed that in the embodiment of the present invention, control electric expansion valve is restored to initial opening from target aperture and needs completely
Foot condition be：
(1) the outer sunshine amount of second Room is more than the second sunshine amount threshold value；
(2) second target operating frequencies are more than (Fmin-X2), wherein Fmin-X2 is the second frequency threshold at current time
Value, X2 are the target operating frequency difference of minimum operating frequency and previous moment.
In one embodiment of the invention, the control method of above-mentioned air-conditioning further includes：If the second of current time
Target operating frequency is less than or equal to the second frequency threshold value at current time and the outer sunshine amount of the second Room at current time is less than or
Person is equal to the second sunshine amount threshold value or the outer sunshine amount of the second Room at current time is less than or equal to the second Room of previous moment
Outer sunshine amount then continues the aperture that control increases electric expansion valve.
Specifically, after the aperture to target aperture that control increases the electric expansion valve in air-conditioning, detection pressure can be continued
The outer sunshine amount of second target operating frequency and second Room at contracting machine current time continues when meeting one in following conditions
Control increases the aperture of electric expansion valve, to effectively increase indoor thermal comfort, solves in the prior art that air-conditioning is most
It the technical issues of output refrigerating capacity is more than indoor actual demand cold when low frequency is run, meets the needs of users.
From the foregoing, it will be observed that in the embodiment of the present invention, control electric expansion valve is restored to initial opening from target aperture and needs completely
Foot condition be：
(1) the outer sunshine amount of second Room is less than or equal to the second sunshine amount threshold value；
(2) second target operating frequencies are less than or equal to (Fmin-X2), wherein Fmin-X2 is second frequency at current time
Rate threshold value, X2 are the target operating frequency difference of minimum operating frequency and previous moment.
In addition, the control mode of current electronic expansion valve for frequency change air conditioner is generally gas exhaust inspecting, i.e., according to exhaust desired value
Electronic expansion valve opening is controlled, can also be controlled by the target exhaust degree of superheat and target suction superheat, normally freezed
In the case of, as shown in Fig. 4 (a), when indoor temperature is shut down close to up to temperature, when compressor operating lower frequency, due to refrigerant flow rate
Slowly, in order to ensure that target exhaust value, the target exhaust degree of superheat or target suction superheat, electronic expansion valve opening can constantly subtract
Small, but if outdoor temperature is begun to decline at this time, air conditioner refrigerating ability can slowly increase, and being more than indoor required refrigeration needs
Ask, easily cause air-conditioning repeatedly starting and stopping at this time, greatly reduce indoor room temperature thermal comfort, also to compressor can
It affects by property, is unfavorable for the rest of user, reduce the comfort level of user；As shown in Fig. 4 (b), dropped by controlling
The air output of low latitude tune can make indoor rate of temperature change greatly reduce, to effectively increase indoor thermal comfort,
The technical issues of output refrigerating capacity is more than indoor actual demand cold when solving air-conditioning low-limit frequency operation in the prior art.Its
In, it is to be shut down after air-conditioning reaches set temperature to be shut down up to temperature, has certain temperature to mend between general set temperature and shutdown temperature
It repays, i.e., shutdown temperature is more slightly lower than set temperature.
As shown in figure 5, in one particular embodiment of the present invention, the control method of above-mentioned air-conditioning, including following step
Suddenly：
S501, air-conditioning booting.
S502, operation of air conditioner normal refrigerating mode.
S503, judges whether the first outdoor sunshine amount is less than preset first sunshine amount threshold value, if so, thening follow the steps
Otherwise S504 executes step S502.
S504 judges that sunshine amount is less than or equal to upper time hop counts value outside current generation room, if so, thening follow the steps
Otherwise S505 executes step S502.
S505, current operation frequency are minimum operating frequency, and judge whether first object running frequency is less than or waits
In current time corresponding first frequency threshold value, if so, S506 is thened follow the steps, it is no to then follow the steps S502.
S506 adjusts electric expansion valve to outdoor sunshine amount and corresponds to aperture.
S507 judges that target frequency is more than (Fmin-X2) or current outdoor sunshine amount is more than upper time hop counts value, such as
Fruit is to then follow the steps S502, no to then follow the steps S508.
S508 maintains current operating conditions, and after operation b minutes, executes step S503.
For example, in 30 DEG C of outdoor temperature, user opens air-conditioning, 28 DEG C of set temperature, and the time is at night 22:00,
User individually turns on the aircondition in bedroom, and when sleeping into the late into the night, indoor temperature reaches 26 DEG C or so, and running frequency is reduced to minimum can
Running frequency 12Hz, outdoor insolation amount persistently reduce, and arrive threshold value L1Hereinafter, but still greater than threshold value L2.Indoor transmission target frequency
8Hz is instructed, and the time is morning 2:00, it opens to relax immediately and sleeps pattern, K (L1)=390, adjusting electronic expansion valve opening are 390 steps,
It is sent to the target frequency and the average outdoor insolation amount of time period of compressor every 10 minutes detection interiors, if indoor transmission
Compressor target frequency is higher than 10Hz, or outdoor insolation amount is more than insolation amount outside threshold value or this period room and is more than a upper periodic quantity,
Present mode is then exited, electric expansion valve is run according to normal target gas exhaust inspecting rule control, otherwise, according to the room monitored
Outer intensity of illumination continues to adjust electronic expansion valve opening.
The control method of the air-conditioning proposed according to embodiments of the present invention can identify air-conditioning inner compressor according to minimum operation
Frequency is run, and obtains the first object running frequency at compressor current time, and obtains first outdoor at air-conditioning current time
Sunshine amount, and according to first object running frequency and the first outdoor sunshine amount, judge whether that the electronics that control increases in air-conditioning is swollen
The aperture of swollen valve；If it is judged that needing to control the aperture for increasing electric expansion valve, then the electric expansion valve in air-conditioning is controlled
Aperture avoids the high frequent start and stop of Split type air conditioner to target aperture, energy saving, improves the reliable of compressor
Property, indoor thermal comfort is improved, predicts that indoor cooling and heating load changes, and solves in the prior art according to outdoor sunshine amount
The technical issues of output refrigerating capacity is more than indoor actual demand cold when air-conditioning low-limit frequency is run.
Fig. 6 is the block diagram of the control device of the air-conditioning of the embodiment of the present invention.
As shown in fig. 6, the control device of the air-conditioning includes：Identification module 100, the first acquisition module 200, judgment module
300, judgment module 400 and control module 500.
Wherein, air-conditioning inner compressor is run identification module 100 according to minimum operating frequency for identification.First acquisition module
The 200 first object running frequency for obtaining compressor current time.Second acquisition module 300 for obtain air-conditioning it is current when
The the first outdoor sunshine amount carved.Judgment module 400 is used for according to first object running frequency and the first outdoor sunshine amount, and judgement is
No control increases the aperture of the electric expansion valve in air-conditioning.Control module 500 is used to judge to need control increase electronics swollen
When the aperture of swollen valve, the aperture of the electric expansion valve in air-conditioning is controlled to target aperture.
In one embodiment of the invention, identification module 100 is specifically used for：Obtain the operation frequency at compressor current time
The running frequency at current time is compared by rate with minimum operating frequency, if the running frequency at current time and minimum fortune
Line frequency is consistent, it is determined that compressor is run according to minimum operating frequency.
In one embodiment of the invention, judgment module 400 is specifically used for：Judge whether first object running frequency is small
In or equal to current time corresponding first frequency threshold value；It is preset to judge whether the first outdoor sunshine amount is less than or equal to
First sunshine amount threshold value；If first object running frequency is less than or equal to current time corresponding first frequency threshold value and the
One outdoor sunshine amount is less than or equal to the first sunshine amount threshold value, then judges to need to control the aperture for increasing electric expansion valve.
In one embodiment of the invention, judgment module 400 is additionally operable to：In the first object operation for judging current time
Whether frequency is less than or equal to before the first frequency threshold value currently carved, and obtains the object run frequency of compressor previous moment
Rate obtains the frequency-splitting of previous moment according to the target operating frequency and minimum operating frequency of previous moment；According to minimum fortune
The frequency-splitting of line frequency and previous moment obtains current time corresponding first frequency threshold value.
In one embodiment of the invention, the control device of above-mentioned air-conditioning further includes：Timing module (is not drawn in figure
Go out).Timing module is used for after the aperture to target aperture for increasing the electric expansion valve in air-conditioning, to electric expansion valve in mesh
The duration for marking aperture carries out timing；Control module is additionally operable to after the duration reaching the preset time, and control electronics is swollen
Swollen valve is restored to initial opening from target aperture；Wherein, initial opening is the aperture that electric expansion valve is given tacit consent in cooling mode.
In one embodiment of the invention, control module 500 is specifically used for：Obtain second mesh at compressor current time
Mark running frequency；Obtain the outer sunshine measurement of second Room at current time；If second target operating frequency at current time is more than
The outer sunshine amount of second Room at current time corresponding second frequency threshold value either current time be more than the second sunshine amount threshold value or
The outer sunshine amount of the second Room at current time is more than the outer sunshine amount of second Room of previous moment, then controls electric expansion valve and opened from target
Degree is restored to initial opening.
In one embodiment of the invention, control module 500 is additionally operable to：If the second object run frequency at current time
Rate is less than or equal to the second frequency threshold value at current time and the outer sunshine amount of the second Room at current time is less than or equal to second
Sunshine amount threshold value or the outer sunshine amount of the second Room at current time are less than or equal to the outer sunshine amount of second Room of previous moment, then
Continue the aperture that control increases electric expansion valve.
It should be noted that the explanation of the aforementioned control method embodiment to air-conditioning is also applied for the sky of the embodiment
The control device of tune, details are not described herein again.
The control device of the air-conditioning proposed according to embodiments of the present invention can identify air-conditioning inner compressor by identification module
It is run according to minimum operating frequency, and obtains the first object running frequency at compressor current time by the first acquisition module,
And the first outdoor sunshine amount at air-conditioning current time is obtained by the second acquisition module, and by judgment module according to first object
Running frequency and the first outdoor sunshine amount, judge whether that control increases the aperture of the electric expansion valve in air-conditioning, and pass through control
Module controls the aperture of the electric expansion valve in air-conditioning to target when judging to need to control the aperture for increasing electric expansion valve
Aperture avoids the high frequent start and stop of Split type air conditioner, energy saving, improves the reliability of compressor, improves room
Interior thermal comfort predicts that indoor cooling and heating load changes according to outdoor sunshine amount, solves air-conditioning lowest frequency in the prior art
The technical issues of output refrigerating capacity is more than indoor actual demand cold when rate is run.
In addition, as shown in fig. 7, the embodiment of the present invention also proposed a kind of air-conditioning 10, which includes above-mentioned air-conditioning
Control device 20.
The air-conditioning proposed according to embodiments of the present invention avoids Split type air conditioner by the control device of above-mentioned air-conditioning
High frequent start and stop, it is energy saving, improve the reliability of compressor, indoor thermal comfort improved, according to outdoor
Sunshine amount predicts indoor cooling and heating load variation, and output refrigerating capacity is more than when solving air-conditioning low-limit frequency operation in the prior art
The technical issues of indoor actual demand cold.
The embodiment of the present invention also proposed a kind of electronic equipment, including memory, processor；Wherein, processor passes through reading
The executable program code stored in access to memory runs program corresponding with executable program code, above-mentioned for realizing
Air-conditioning control method.
The electronic equipment proposed according to embodiments of the present invention is avoided point by executing the control method of above-mentioned air-conditioning
The high frequent start and stop of body air conditioner, it is energy saving, the reliability of compressor is improved, indoor thermal comfort is improved,
Indoor cooling and heating load variation is predicted according to outdoor sunshine amount, output system when solving air-conditioning low-limit frequency operation in the prior art
Cold is more than the technical issues of indoor actual demand cold.
The embodiment of the present invention also proposed a kind of non-transitorycomputer readable storage medium, be stored thereon with computer journey
Sequence, the program realize the control method of above-mentioned air-conditioning when being executed by processor.
The non-transitorycomputer readable storage medium proposed according to embodiments of the present invention, by executing above-mentioned air-conditioning
Control method avoids the high frequent start and stop of Split type air conditioner, energy saving, improves the reliability of compressor, improves
Indoor thermal comfort predicts that indoor cooling and heating load changes according to outdoor sunshine amount, solves in the prior art that air-conditioning is most
The technical issues of output refrigerating capacity is more than indoor actual demand cold when low frequency is run.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (17)
1. a kind of control method of air-conditioning, which is characterized in that the air-conditioning is run in cooling mode, and the method includes following
Step：
Identify that the air-conditioning inner compressor is run according to minimum operating frequency；
Obtain the first object running frequency at the compressor current time；
Obtain the first outdoor sunshine amount at the air-conditioning current time；
According to the first object running frequency and the first outdoor sunshine amount, judge whether that control increases in the air-conditioning
The aperture of electric expansion valve；
If it is judged that needing to control the aperture for increasing the electric expansion valve, then the electric expansion valve in the air-conditioning is controlled
Aperture is to target aperture.
2. according to the method described in claim 1, it is characterized in that, the identification air-conditioning inner compressor is according to minimum operation
Frequency is run, including：
The running frequency for obtaining the compressor current time, by the running frequency at current time and the minimum operating frequency into
Row compares, if the running frequency at current time is consistent with the minimum operating frequency, it is determined that the compressor is according to described
Minimum operating frequency is run.
3. according to the method described in claim 1, it is characterized in that, described according to the first object running frequency and described
One outdoor sunshine amount judges whether that control increases the aperture of the electric expansion valve in the air-conditioning, including：
Judge whether the first object running frequency is less than or equal to current time corresponding first frequency threshold value；
Judge whether the described first outdoor sunshine amount is less than or equal to preset first sunshine amount threshold value；
If the first object running frequency is less than or equal to the current time corresponding first frequency threshold value and described
First outdoor sunshine amount is less than or equal to the first sunshine amount threshold value, then judges to need to control to increase the electronic expansion
The aperture of valve.
4. according to the method described in claim 3, it is characterized in that, described judge that the first object running frequency at current time is
Further include before the no first frequency threshold value less than or equal to the current time：
The target operating frequency for obtaining the compressor previous moment, according to the target operating frequency of previous moment and described minimum
Running frequency obtains the frequency-splitting of previous moment；
According to the frequency-splitting of the minimum operating frequency and previous moment, the current time corresponding first frequency threshold is obtained
Value.
5. according to claim 1-4 any one of them methods, which is characterized in that the control increases the electronics in the air-conditioning
After the aperture of expansion valve to target aperture, further include：
Duration to the electric expansion valve in the target aperture carries out timing, when duration arrival is preset
After time, then controls the electric expansion valve and be restored to initial opening from the target aperture；Wherein, the initial opening is institute
State the aperture that electric expansion valve is given tacit consent under the refrigeration mode.
6. according to the method described in claim 5, it is characterized in that, described control the electric expansion valve from the target aperture
It is restored to initial opening, including：
Obtain second target operating frequency at the compressor current time；
Obtain the outer sunshine measurement of second Room at current time；
If second target operating frequency at the current time is more than current time corresponding second frequency threshold value or described
The outer sunshine amount of the second Room at current time is more than the second sunshine amount threshold value or the outer sunshine amount of the second Room at the current time is big
In sunshine amount outside the second Room of previous moment, then controls the electric expansion valve and be restored to initial opening from the target aperture.
7. according to the method described in claim 6, it is characterized in that, further including：
If second target operating frequency at the current time be less than or equal to the current time second frequency threshold value and
The outer sunshine amount of the second Room at the current time is less than or equal to the second sunshine amount threshold value or the current time
The outer sunshine amount of second Room is less than or equal to the outer sunshine amount of second Room of the previous moment, then continues control and increase the electronics
The aperture of expansion valve.
8. a kind of control device of air-conditioning, which is characterized in that including：
Identification module, for identification the air-conditioning inner compressor run according to minimum operating frequency；
First acquisition module, the first object running frequency for obtaining the compressor current time；
Second acquisition module, the first outdoor sunshine amount for obtaining the air-conditioning current time；
Judgment module, for according to the first object running frequency and the first outdoor sunshine amount, judging whether that control increases
Add the aperture of the electric expansion valve in the air-conditioning；
Control module, for when judging to need to control the aperture for increasing the electric expansion valve, controlling in the air-conditioning
The aperture of electric expansion valve is to target aperture.
9. device according to claim 8, which is characterized in that the identification module is specifically used for：
The running frequency for obtaining the compressor current time, by the running frequency at current time and the minimum operating frequency into
Row compares, if the running frequency at current time is consistent with the minimum operating frequency, it is determined that the compressor is according to described
Minimum operating frequency is run.
10. device according to claim 8, which is characterized in that the judgment module is specifically used for：
Judge whether the first object running frequency is less than or equal to current time corresponding first frequency threshold value；
Judge whether the described first outdoor sunshine amount is less than or equal to preset first sunshine amount threshold value；
If the first object running frequency is less than or equal to the current time corresponding first frequency threshold value and described
First outdoor sunshine amount is less than or equal to the first sunshine amount threshold value, then judges to need to control to increase the electronic expansion
The aperture of valve.
11. device according to claim 10, which is characterized in that the judgment module is additionally operable to：
Whether it is less than or equal to the first frequency threshold at the current time in the first object running frequency for judging current time
Before value, the target operating frequency of the compressor previous moment is obtained, according to the target operating frequency of previous moment and described
Minimum operating frequency obtains the frequency-splitting of previous moment；
According to the frequency-splitting of the minimum operating frequency and previous moment, corresponding first frequency threshold of presently described moment is obtained
Value.
12. according to claim 8-11 any one of them devices, which is characterized in that further include：
Timing module is used for after the aperture to target aperture for increasing the electric expansion valve in the air-conditioning, to the electronics
Expansion valve carries out timing in the duration of the target aperture；
The control module is additionally operable to after the duration reaching the preset time, control the electric expansion valve from institute
It states target aperture and is restored to initial opening；Wherein, the initial opening is that the electric expansion valve is write from memory under the refrigeration mode
The aperture recognized.
13. device according to claim 12, which is characterized in that the control module is specifically used for：
Obtain second target operating frequency at the compressor current time；
Obtain the outer sunshine measurement of second Room at current time；
If second target operating frequency at the current time be more than the current time corresponding second frequency threshold value or
The outer sunshine amount of the second Room at the current time is more than the second sunshine amount threshold value or the outer sunshine of the second Room at the current time
Amount then controls the electric expansion valve and is restored to just from the target aperture more than the outer sunshine amount of the second Room of the previous moment
Beginning aperture.
14. device according to claim 13, which is characterized in that the control module is additionally operable to：
If second target operating frequency at the current time be less than or equal to the current time second frequency threshold value and
The outer sunshine amount of the second Room at the current time is less than or equal to the second sunshine amount threshold value or the current time
The outer sunshine amount of second Room is less than or equal to the outer sunshine amount of second Room of previous moment, then continues control and increase the electronic expansion
The aperture of valve.
15. a kind of air-conditioning, which is characterized in that include the control device of claim 8-14 any one of them air-conditionings.
16. a kind of electronic equipment, which is characterized in that including memory, processor；
Wherein, the processor can perform to run with described by reading the executable program code stored in the memory
The corresponding program of program code, for realizing the control method of the air-conditioning as described in any in claim 1-7.
17. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program
The control method of the air-conditioning as described in any in claim 1-7 is realized when being executed by processor.
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| CN111397142A (en) * | 2020-04-16 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Control method and device for electronic expansion valve of air conditioner, air conditioner and storage medium |
| CN112078321A (en) * | 2019-06-13 | 2020-12-15 | 杭州三花研究院有限公司 | Control method and vehicle thermal management system |
| CN113551437A (en) * | 2020-04-23 | 2021-10-26 | 日立江森自控空调有限公司 | Air conditioning system and control method |
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