CN106322679A - Control method for outdoor fan of air conditioner - Google Patents
Control method for outdoor fan of air conditioner Download PDFInfo
- Publication number
- CN106322679A CN106322679A CN201610799169.7A CN201610799169A CN106322679A CN 106322679 A CN106322679 A CN 106322679A CN 201610799169 A CN201610799169 A CN 201610799169A CN 106322679 A CN106322679 A CN 106322679A
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- Prior art keywords
- outdoor
- outdoor fan
- heat exchanger
- temperature
- environment temperature
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
Abstract
The invention discloses a control method for an outdoor fan of an air conditioner. The control method comprises the following steps that the air conditioner operates in a refrigeration manner, and the outdoor environment temperature T4 is detected; when the outdoor environment temperature T4 is lager than the preset environment temperature i, the outdoor fan is controlled to be kept in the current positive rotation state; when the outdoor environment temperature T4 is smaller than the preset environment temperature i, the rotating speed of the outdoor fan and a detection object are detected, and the detection object is at least one of the running frequency F of a compressor, the temperature T3 of an outdoor heat exchanger and the pressure PL in an indoor heat exchanger; when the rotating speed of the outdoor fan is the preset rotating speed and the detection result of the detection object meets the preset conditions, the outdoor fan is controlled to do reverse rotation motion; and when the rotating speed of the outdoor fan is higher than the preset rotating speed or the detection result of the detection object does not meet the preset condition, the outdoor fan is controlled to be kept in the current positive rotation state. According to the control method, the air volume of the outdoor fan is lowered, the pressure of the condensation side is increased, and the air conditioner can output refrigerating capacity continuously.
Description
Technical field
The present invention relates to refrigerating field, especially relate to the control method of the outdoor fan of a kind of air-conditioner.
Background technology
Along with the raising of modern building design level, the heat-insulating property of building is become better and better, and some special places are such as
Meeting room, Internet bar, kitchen, machine room, use fireplace heating region, this kind of place is because equipment heating, crowded making indoor
Temperature and humidity the highest, even if when outdoor temperature is subzero, still have use air-conditioner refrigeration necessity.In outdoor temperature relatively
Running refrigeration time low, on the low side by high-tension side pressure, the compression ratio of compressor is low, and the liquid supply rate of refrigeration system is not enough, oil return meeting
Become difficulty, eventually result in compressor due to liquid hazards.
The method of existing raising cryogenic refrigeration amount and reliability mainly has following two, and one by reducing off-premises station
Rotating speed increases high side pressure, improves refrigeration system flow, thus improves refrigeration performance, and two is to be installed additional by outer on off-premises station
Putting and the return air part of off-premises station is led back to reheat condenser to improve high side pressure, method one is relatively simple, but for guarantee room
The stable operation of outer blower fan has a minimum speed requirement, in the case of outdoor temperature is relatively low, and the particularly product of high energy efficiency
Product, outdoor condenser is relatively big, even if in the case of outdoor fan has been minimum speed, condensation side pressure is still difficult to improve,
In this case heating performance under low temperature is poor, and method two is because of needs add-on device, relatively costly and operation is more complicated.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention carries
Go out the control method of the outdoor fan of a kind of air-conditioner, meet the refrigeration demand under low temperature environment.
The control method of the outdoor fan of air-conditioner according to embodiments of the present invention, described air-conditioner includes compressor, room
External heat exchanger and indoor heat exchanger, described control method comprises the steps: to control described air-conditioner refrigerating operaton, outside sensing chamber
Ambient temperature T4 also judges that whether the result detected is more than specific environment temperature i；When the outdoor environment temperature T4 detected is big
When specific environment temperature i, control described outdoor fan and keep current rotating forward state；When the described outdoor environment temperature detected
When T4 is less than specific environment temperature i, rotating speed and detection object to described outdoor fan detect, and described detection object is institute
State at least in the pressure PL in running frequency F of compressor, temperature T3 of described outdoor heat exchanger, described indoor heat exchanger
Individual；When the rotating speed described outdoor fan being detected is desired speed and the testing result of described detection object is met predetermined condition
Time, control the reversion of described outdoor fan；When detecting that the rotating speed of described outdoor fan is higher than described desired speed or to described
When detecting the testing result not met predetermined condition of object, control described outdoor fan and keep current rotating forward state.
The control method of the outdoor fan of air-conditioner according to embodiments of the present invention, when detecting that outdoor environment temperature T4 is little
In specific environment temperature i, the rotating speed being detected simultaneously by outdoor fan is desired speed and meets the testing result of detection object
During predetermined condition, control outdoor fan reversion, such that it is able to reduce off-premises station air quantity, the condensation side pressure of off-premises station can be improved
Power, it is ensured that the refrigeration circuit of air-conditioner can form pressure differential, and then can meet the refrigeration demand under low temperature environment, allows air-conditioning
The output cold that device can continue, it is ensured that comfort.
In some embodiments of the invention, described detection object is running frequency F of described compressor, described predetermined bar
Part is that running frequency F of described compressor is less than setpoint frequency f.
In some embodiments of the invention, described detection object is temperature T3 of described outdoor heat exchanger, described predetermined
Condition is that temperature T3 of described outdoor heat exchanger is less than design temperature g.
In some embodiments of the invention, described detection object is the pressure PL in described indoor heat exchanger, described pre-
Fixed condition is that the pressure PL in described indoor heat exchanger is less than setting pressure K.
In some embodiments of the invention, described detection object is that running frequency F of described compressor, described outdoor are changed
Pressure PL in temperature T3 of hot device and described indoor heat exchanger, described predetermined condition is that running frequency F of described compressor is little
Low less than the pressure PL in design temperature g or described indoor heat exchanger in temperature T3 of setpoint frequency f, described outdoor heat exchanger
In setting pressure K.
Specifically, by the coolant pressure in the arrival end of the described indoor heat exchanger of detection to obtain described indoor heat exchanger
Interior pressure PL.
In some embodiments of the invention, multiple outdoor environment temperatures are preset interval, the plurality of outdoor environment temperature
The rotating speed of interval corresponding different described outdoor fan, when the described outdoor environment temperature T4 detected is more than specific environment temperature
During i, adjust described outdoor according to the tachometer value that the outdoor environment temperature interval at the outdoor environment temperature T4 place detected is corresponding
The rotating speed of blower fan.
In some embodiments of the invention, described desired speed is minimum turn of permission during the rotating forward of described outdoor fan
Speed.
Accompanying drawing explanation
Fig. 1 is the flow chart of the control method of outdoor fan according to an embodiment of the invention；
Fig. 2 is the flow chart of the control method of outdoor fan in accordance with another embodiment of the present invention；
Fig. 3 is the flow chart of the control method of the outdoor fan according to further embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to
The embodiment that accompanying drawing describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Control method below with reference to the outdoor fan of Fig. 1-Fig. 3 detailed description air-conditioner according to embodiments of the present invention.
Wherein air-conditioner includes compressor, outdoor heat exchanger and indoor heat exchanger, it is of course possible to be understood by, and air-conditioner also includes throttling
Other elements such as device, air-conditioner can be that single cold type air-conditioner can also be for heating and air conditioner.The refrigeration principle of air-conditioner
Or heat principle for prior art, it is not described in detail.
The control method of the outdoor fan of air-conditioner according to embodiments of the present invention, comprises the steps:
Controlling air-conditioner refrigerating operaton, detection outdoor environment temperature T4 also judges that whether the result detected is more than predetermined ring
Border temperature i.
When the outdoor environment temperature T4 detected is more than specific environment temperature i, controls outdoor fan and keep current rotating forward
State, say, that outdoor fan is still in rotating forward to direct the air to outdoor heat exchanger.
When the outdoor environment temperature T4 detected is less than specific environment temperature i, then it represents that outdoor environment temperature is relatively low, this
Time the rotating speed of outdoor fan and detection object are detected, detection object is running frequency F of compressor, outdoor heat exchanger
At least one in pressure PL in temperature T3, indoor heat exchanger.In some examples of the present invention, detection object is compressor
Running frequency F, temperature T3 of outdoor heat exchanger, in pressure PL in indoor heat exchanger one.At other of the present invention
In example, detection object is the pressure PL in running frequency F of compressor, temperature T3 of outdoor heat exchanger and indoor heat exchanger.
In still other example of the present invention, detection object is that running frequency F of compressor, temperature T3 of outdoor heat exchanger, indoor are changed
The two of which in pressure PL in hot device.Wherein can be by the coil temperature of sensing chamber's external heat exchanger to obtain outdoor heat exchange
Temperature T3 of device.
When rotating speed outdoor fan being detected is desired speed and the testing result to detection object meets predetermined condition,
Control outdoor fan reversion；When detecting that the rotating speed of outdoor fan is higher than desired speed or to detecting the testing result of object not
When meeting predetermined condition, control outdoor fan and keep currently rotating forward state.When specifically, desired speed is outdoor fan rotating forward
Allow minimum speed.
During in particular, it is desirable to meet two conditions simultaneously, outdoor fan just carries out reversion and runs, wherein first condition
Be the rotating speed of outdoor fan be desired speed, second condition is that the testing result to detection object meets predetermined condition.As long as
When one of them in first condition and second condition is unsatisfactory for, outdoor fan all keeps currently rotating forward state.
When detecting running frequency F that object is only compressor, then when running frequency F of compressor is less than setpoint frequency f
Time represent to detection object testing result meet predetermined condition, in other words, predetermined condition is that running frequency F of compressor is less than
Setpoint frequency f.When detecting temperature T3 that object is only outdoor heat exchanger, then when temperature T3 of outdoor heat exchanger is less than setting temperature
Representing during degree g that the testing result to detection object meets predetermined condition, in other words, predetermined condition is temperature T3 of outdoor heat exchanger
Less than design temperature g.When detecting the pressure PL that object is only in indoor heat exchanger, then low as the pressure PL in indoor heat exchanger
Representing that in time setting pressure K the testing result to detection object meets predetermined condition, in other words, predetermined condition is indoor heat exchanger
Interior pressure PL is less than setting pressure K.
Pressure in detection object is running frequency F of compressor, temperature T3 of outdoor heat exchanger and indoor heat exchanger
During PL, predetermined condition can be that running frequency F meeting compressor is less than less than setpoint frequency f, temperature T3 of outdoor heat exchanger
Design temperature g, the pressure PL of indoor heat exchanger are less than one of them set in pressure K, or meet compressor simultaneously
Running frequency F temperature T3 less than setpoint frequency f, outdoor heat exchanger is less than less than design temperature g, the pressure PL of indoor heat exchanger
Set the two of which in pressure K, or be that running frequency F simultaneously meeting compressor is less than setpoint frequency f, outdoor heat exchange
Temperature T3 of device is less than less than the pressure PL of design temperature g and indoor heat exchanger and sets pressure K.
Pressure in detection object is running frequency F of compressor, temperature T3 of outdoor heat exchanger and indoor heat exchanger
During two of which in PL, to predetermined as a example by temperature T3 detecting object running frequency F as compressor and outdoor heat exchanger
Condition illustrates, in this case, predetermined condition can be meet running frequency F of compressor less than setpoint frequency f or
Temperature T3 of outdoor heat exchanger is less than design temperature g, and predetermined condition can also be less than for meeting running frequency F of compressor simultaneously
Temperature T3 of setpoint frequency f and outdoor heat exchanger is less than design temperature g.
Need to illustrate, when the description above controls outdoor fan holding current rotating forward state, can be control
The rotating speed that outdoor fan processed keeps current is constant, it is also possible to be the rotating speed adjusting outdoor fan according to practical situation, as long as keeping
Outdoor fan rotates forward.Also needing to illustrate, the value of specific environment temperature i can limit according to practical situation
Fixed, the such as span of specific environment temperature i can be-15 DEG C～-10 DEG C.
The control method of the outdoor fan of air-conditioner according to embodiments of the present invention, when detecting that outdoor environment temperature T4 is little
In specific environment temperature i, the rotating speed being detected simultaneously by outdoor fan is desired speed and meets the testing result of detection object
During predetermined condition, control outdoor fan reversion, such that it is able to reduce off-premises station air quantity, the condensation side pressure of off-premises station can be improved
Power, it is ensured that the refrigeration circuit of air-conditioner can form pressure differential, and then can meet the refrigeration demand under low temperature environment, allows air-conditioning
The output cold that device can continue, it is ensured that comfort.
As it is shown in figure 1, in some embodiments of the invention, detection object is running frequency F of compressor, predetermined condition
Running frequency F for compressor is less than setpoint frequency f, specifically, during refrigerating operaton, to outdoor environment temperature T4, outdoor wind
The rotating speed of machine and running frequency F of compressor detect, when outdoor environment temperature T4 ＜ specific environment temperature i, room being detected
The rotating speed D of outer blower fan is desired speed h, the running frequency F ＜ setpoint frequency f of compressor time, control outdoor fan reversion, thus
Reduce off-premises station air quantity, it is ensured that the refrigeration circuit of air-conditioner can form pressure differential so that it is defeated that air-conditioner can continue
Go out cold, it is ensured that low temperature refrigeration, it is ensured that comfort.
As in figure 2 it is shown, in some embodiments of the invention, detection object is temperature T3 of outdoor heat exchanger, predetermined bar
Part is that temperature T3 of outdoor heat exchanger is less than design temperature g.Specifically, during refrigerating operaton, to outdoor environment temperature T4, outdoor
The rotating speed of blower fan and temperature T3 of outdoor heat exchanger detect, when detect outdoor environment temperature T4 ＜ specific environment temperature i,
The rotating speed D of outdoor fan is desired speed h, the temperature T3 ＜ design temperature g of outdoor heat exchanger time, control outdoor fan reversion.
As it is shown on figure 3, in some embodiments of the invention, detection object is the pressure PL in indoor heat exchanger, predetermined
Condition is that the pressure PL in indoor heat exchanger is less than setting pressure K.Specifically, during refrigerating operaton, to outdoor environment temperature T4,
Pressure PL in the rotating speed of outdoor fan and indoor heat exchanger detects, when outdoor environment temperature T4 ＜ specific environment being detected
When temperature i, the rotating speed D of outdoor fan are the pressure PL ＜ setting pressure K in desired speed h, indoor heat exchanger, control room exogenous wind
Machine inverts, such that it is able to improve the evaporating temperature of indoor heat exchanger, improves the heating performance under low temperature of air-conditioner.
In some embodiments of the invention, detection object is temperature T3 of running frequency F of compressor, outdoor heat exchanger
With the pressure PL in indoor heat exchanger, predetermined condition is that running frequency F of compressor is less than setpoint frequency f, outdoor heat exchanger
Temperature T3 is less than less than the pressure PL in design temperature g or indoor heat exchanger and sets pressure K.Specifically, during refrigerating operaton,
Outdoor environment temperature T4, the rotating speed of outdoor fan, running frequency F of compressor, temperature T3 of outdoor heat exchanger and indoor are changed
Pressure PL in hot device detects, when outdoor environment temperature T4 ＜ specific environment temperature i, the rotating speed D of outdoor fan being detected
For desired speed h, running frequency F simultaneously meeting compressor is less than setpoint frequency f, temperature T3 of outdoor heat exchanger is less than and sets
When pressure PL in temperature g and indoor heat exchanger is less than one of them set in pressure K, control outdoor fan reversion.
In some embodiments of the invention, by the coolant pressure in the arrival end of detection indoor heat exchanger to obtain room
Pressure PL in interior heat exchanger.
According to some embodiments of the present invention, presetting multiple outdoor environment temperatures interval, multiple outdoor environment temperatures are interval
The rotating speed of corresponding different outdoor fan, when the outdoor environment temperature T4 detected is more than specific environment temperature i, according to detection
Tachometer value corresponding to the outdoor environment temperature interval at the outdoor environment temperature T4 place arrived adjusts the rotating speed of outdoor fan.Thus can
To adjust the rotating speed of outdoor fan according to practical situation so that the condensation effect of outdoor heat exchanger is optimal, improves refrigeration.Can
To be understood by, the concrete span in multiple outdoor environment temperatures interval can be defined according to practical situation.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, 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 immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (8)
1. a control method for the outdoor fan of air-conditioner, described air-conditioner includes that compressor, outdoor heat exchanger and indoor are changed
Hot device, it is characterised in that described control method comprises the steps:
Controlling described air-conditioner refrigerating operaton, detection outdoor environment temperature T4 also judges that whether the result detected is more than predetermined ring
Border temperature i；
When the outdoor environment temperature T4 detected is more than specific environment temperature i, controls described outdoor fan and keep current rotating forward
State；When the described outdoor environment temperature T4 detected is less than specific environment temperature i, rotating speed and the inspection to described outdoor fan
Surveying object to detect, described detection object is running frequency F of described compressor, temperature T3 of described outdoor heat exchanger, institute
State at least one in the pressure PL in indoor heat exchanger；
When the rotating speed described outdoor fan being detected is desired speed and the testing result of described detection object is met predetermined bar
During part, control the reversion of described outdoor fan；When detecting that the rotating speed of described outdoor fan is higher than described desired speed or to institute
When stating the testing result not met predetermined condition of detection object, control described outdoor fan and keep current rotating forward state.
The control method of the outdoor fan of air-conditioner the most according to claim 1, it is characterised in that described detection object is
Running frequency F of described compressor, described predetermined condition is that running frequency F of described compressor is less than setpoint frequency f.
The control method of the outdoor fan of air-conditioner the most according to claim 1, it is characterised in that described detection object is
Temperature T3 of described outdoor heat exchanger, described predetermined condition is that temperature T3 of described outdoor heat exchanger is less than design temperature g.
The control method of the outdoor fan of air-conditioner the most according to claim 1, it is characterised in that described detection object is
Pressure PL in described indoor heat exchanger, described predetermined condition is that the pressure PL in described indoor heat exchanger is less than setting pressure K.
The control method of the outdoor fan of air-conditioner the most according to claim 1, it is characterised in that described detection object is
Pressure PL in running frequency F of described compressor, temperature T3 of described outdoor heat exchanger and described indoor heat exchanger, described pre-
Fixed condition is that running frequency F of described compressor temperature T3 less than setpoint frequency f, described outdoor heat exchanger is less than design temperature
Pressure PL in g or described indoor heat exchanger is less than setting pressure K.
6. according to the control method of the outdoor fan of the air-conditioner described in claim 4 or 5, it is characterised in that by detection institute
State the coolant pressure in the arrival end of indoor heat exchanger with the pressure PL obtaining in described indoor heat exchanger.
The control method of the outdoor fan of air-conditioner the most according to claim 1, it is characterised in that preset multiple outdoor ring
Border temperature range, the rotating speed of the corresponding different described outdoor fan in the plurality of outdoor environment temperature interval, when the institute detected
When stating outdoor environment temperature T4 more than specific environment temperature i, according to the outdoor environment at the outdoor environment temperature T4 place detected
The rotating speed of the tachometer value described outdoor fan of adjustment that temperature range is corresponding.
The control method of the outdoor fan of air-conditioner the most according to claim 1, it is characterised in that described desired speed is
Permission minimum speed when described outdoor fan rotates forward.
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| CN201610799169.7A CN106322679B (en) | 2016-08-31 | 2016-08-31 | Control method for outdoor fan of air conditioner |
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| CN201610799169.7A CN106322679B (en) | 2016-08-31 | 2016-08-31 | Control method for outdoor fan of air conditioner |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238148A (en) * | 2017-07-20 | 2017-10-10 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit, air-conditioning and air-conditioner outdoor unit control method |
| CN107906682A (en) * | 2017-11-03 | 2018-04-13 | 广东美的暖通设备有限公司 | A kind of control method of air-conditioning system, device and air conditioner |
| CN108253603A (en) * | 2017-12-11 | 2018-07-06 | 珠海格力电器股份有限公司 | Method, apparatus, system and the air-conditioning of airconditioning control |
| CN109259744A (en) * | 2018-09-30 | 2019-01-25 | 珠海亚特兰生命工程科技有限公司 | Internal pressure monitor in high precision |
| CN110454936A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Air conditioner and its control method, device |
| WO2020024529A1 (en) * | 2018-08-01 | 2020-02-06 | 珠海格力电器股份有限公司 | Control method, apparatus and device for air conditioner outdoor fan, and air conditioner |
| CN110887189A (en) * | 2019-12-03 | 2020-03-17 | 宁波奥克斯电气股份有限公司 | Multi-split air blower rotating speed control method and device, air conditioner and storage medium |
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| CN112212472A (en) * | 2019-07-10 | 2021-01-12 | 青岛海尔（胶州）空调器有限公司 | Heating control method of fixed-frequency air conditioner under low-temperature working condition |
| CN112212473A (en) * | 2019-07-10 | 2021-01-12 | 青岛海尔（胶州）空调器有限公司 | Refrigeration control method of fixed-frequency air conditioner under high-temperature working condition |
| CN113091267A (en) * | 2021-04-16 | 2021-07-09 | 海信（广东）空调有限公司 | Control method of air conditioner |
| CN113606736A (en) * | 2021-08-17 | 2021-11-05 | 宁波奥克斯电气股份有限公司 | Air conditioner heat exchange amount control method, air conditioner control device and air conditioner |
| CN114234505A (en) * | 2021-12-20 | 2022-03-25 | 珠海格力电器股份有限公司 | Control method and device of refrigerating unit, refrigerating unit and storage medium |
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| CN107238148A (en) * | 2017-07-20 | 2017-10-10 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit, air-conditioning and air-conditioner outdoor unit control method |
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| CN111976413A (en) * | 2019-05-21 | 2020-11-24 | 长城汽车股份有限公司 | Vehicle air conditioner control device and method, vehicle air conditioner and vehicle |
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| CN110454936A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Air conditioner and its control method, device |
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| CN113091267A (en) * | 2021-04-16 | 2021-07-09 | 海信（广东）空调有限公司 | Control method of air conditioner |
| CN113091267B (en) * | 2021-04-16 | 2022-08-16 | 海信（广东）空调有限公司 | Control method of air conditioner |
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| CN113606736B (en) * | 2021-08-17 | 2022-10-11 | 宁波奥克斯电气股份有限公司 | Air conditioner heat exchange amount control method, air conditioner control device and air conditioner |
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