CN105674505A - Control method for refrigerating of air conditioner - Google Patents
Control method for refrigerating of air conditioner Download PDFInfo
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- CN105674505A CN105674505A CN201610123932.4A CN201610123932A CN105674505A CN 105674505 A CN105674505 A CN 105674505A CN 201610123932 A CN201610123932 A CN 201610123932A CN 105674505 A CN105674505 A CN 105674505A
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- outdoor fan
- conditioner
- control method
- refrigeration
- outdoor
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method for refrigerating of an air conditioner. The control method for refrigerating of the air conditioner comprises the following steps: detecting an outdoor environment temperature T1, and comparing the outdoor environment temperature T1 to a first set value t1; when T1 is less than or equal to t1, controlling an outdoor fan to rotate reversely; and when T1 is greater than t1, keeping forward rotating of the outdoor fan. According to the control method for refrigerating of the air conditioner, when T1 is less than or equal to t1, the outdoor fan is controlled to rotate reversely, when T1 is greater than t1, forward rotating of the outdoor fan is kept, therefore, the air quantity of the outdoor fan when the outdoor fan rotates reversely is much lower than the air quantity of the outdoor fan when the outdoor fan rotates forwards, the condensation effect of a condenser is reduced, pressure of a condensation side is increased, and low-temperature refrigerating capacity of the air conditioner in a low-temperature environment is improved.
Description
Technical field
The present invention relates to conditioner technical field, especially relate to the control method of a kind of conditioner refrigeration.
Background technology
In correlation technique, it is to increase the method for refrigeration capacity during conditioner cryogenic refrigeration generally has two kinds:
Being the rotation speed of fan by reducing outdoor machine, increase the pressure of high condenser pressure side, it is to increase refrigerant flow is to improve heating performance under low temperature, although this kind of method is simple, but in order to ensure the steady running of outdoor fan of air conditioner, blower fan has minimum speed requirement. When external temperature is lower, even if outdoor fan adopts minimum speed to run, condensation side pressure still is difficult to improve, and heating performance under low temperature is poor in this case.
Two is lead back to add reheater condenser with the return air part outdoor machine by add-on device on air-conditioner outdoor unit, improves high condenser pressure wall pressure. But this kind of method makes, and the cost of conditioner is higher and operation is more complicated.
Summary of the invention
One of technical problem that the present invention is intended to solve in correlation technique at least to a certain extent. For this reason, the present invention proposes the control method of a kind of conditioner refrigeration, it is possible to effectively improve the cryogenic refrigeration ability of conditioner in the environment of lesser temps.
The control method of conditioner refrigeration according to embodiments of the present invention, comprises the steps: detection outdoor environment temperature T1, and is compared by outdoor environment temperature T1 and the first set(ting)value t1; As described T1≤t1, control outdoor fan rotates backward, and as T1 > t1, described outdoor fan keeps just to rotation.
The control method of conditioner refrigeration according to embodiments of the present invention, as T1≤t1, control outdoor fan rotates backward, as T1 > t1, outdoor fan keeps just to rotation, thus, by judge outdoor environment temperature and the first set(ting)value size control outdoor fan just to rotation and rotate backward, when conditioner is in lower temperature environment, when reversing by outdoor fan, air quantity is compared significantly declining of air quantity when outdoor fan rotates forward and is realized the reduction of condenser condenses effect, thus improve condensation side pressure, and then improve the cryogenic refrigeration ability of conditioner in lower low temperature environment, also help the steady running ensureing outdoor fan simultaneously, avoid the cost needing to arrange on air-conditioner outdoor unit the conditioner that add-on device leads back to add reheater condenser and cause with the return air part outdoor machine in correlation technique higher, the problem of complicated operation.
According to some embodiments of the present invention, the control method of conditioner refrigeration also comprises the steps: to detect the middle portion temperature T2 of vaporizer, adjusts the rotating speed of described outdoor fan after outdoor fan rotates backward according to described middle portion temperature T2.
Further, it is characterised in that, when 0<during T2≤s1, reduces the rotating speed of the described outdoor fan of reversion; As s1<T2,<during s2, described outdoor fan keeps current speed reversal constant; As T2>=s2, it is to increase the rotating speed of the described outdoor fan of reversion; When T2≤0, control described conditioner and shut down.
Further, the span of described s1 and described s2 is: 1 DEG C < s1 < 5 DEG C; 3 DEG C < s2 < 9 DEG C.
Further, the control method of conditioner refrigeration also comprises the steps: to compare described outdoor environment temperature T1 and the 2nd set(ting)value t2, as t1 < T1≤t2, adjust rotating speed when described outdoor fan rotates forward according to described middle portion temperature T2.
Further, when 0<during T2≤n1, reduces the rotating speed of the described outdoor fan rotated forward; As n1<T2,<during n2, described outdoor fan keeps current positive rotary speed constant; As T2>=n2, it is to increase the rotating speed of the described outdoor fan of rotating forward; When T2≤0, control described conditioner and shut down.
Further, the span of described n1 and described n2 is: 4 DEG C < n1 < 8 DEG C; 6 DEG C < n2 < 12 DEG C.
According to some embodiments of the present invention, described first set(ting)value t1 is-8 DEG C.
Further, described 2nd set(ting)value t2 is 8 DEG C.
According to some embodiments of the present invention, when the specified refrigerating duty of described conditioner is 100%, reduce the running frequency of compressor.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the control method of the refrigeration of the conditioner when outdoor environment temperature is less than the first set(ting)value according to embodiments of the present invention;
Fig. 2 is the schematic diagram of the control method of the refrigeration of the conditioner when outdoor environment temperature is greater than the first set(ting)value and is less than the 2nd set(ting)value according to embodiments of the present invention.
Wherein symbol table is illustrated as outdoor environment temperature T1; Middle portion temperature T2; First set(ting)value t1; 2nd set(ting)value t2.
Embodiment
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings. It is exemplary below by the embodiment being described with reference to the drawings, it is intended to for explaining the present invention, and limitation of the present invention can not be interpreted as.
The control method of the refrigeration of conditioner according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 2. Wherein, conditioner may be used for regulating room temp, and such as conditioner can to indoor environment refrigeration or to indoor environment system heat.
Specifically, conditioner comprises compressor, indoor heat exchanger, outdoor heat exchanger and throttling element. Wherein, it will be appreciated that when conditioner freezes, indoor heat exchanger is vaporizer, and outdoor heat exchanger is condenser; When air conditioner heat-production, indoor heat exchanger is condenser, and outdoor heat exchanger is vaporizer. Herein, it is necessary to explanation, about the refrigeration of conditioner and pyrogen processed reason, and the structure of compressor, indoor heat exchanger, outdoor heat exchanger and throttling element and principle of work are all known by those skilled in the art, are no longer described in detail herein.
It should be appreciated that in the refrigerating method of the conditioner of the embodiment of the present invention, the conditioner referred to is the conditioner being in refrigerating state, therefore, outdoor heat exchanger herein is condenser, and indoor heat exchanger is vaporizer.
As depicted in figs. 1 and 2, the control method of conditioner refrigeration according to embodiments of the present invention, it is possible to comprise the steps: detection outdoor environment temperature T1, and outdoor environment temperature T1 and the first set(ting)value t1 is compared; As T1≤t1, control outdoor fan rotates backward, and as T1 > t1, outdoor fan keeps just to rotation.Can selection of land, the first set(ting)value t1 is-8 DEG C.
Such as, conditioner can comprise the first temperature-detecting device and control device, and the first temperature-detecting device may be used for detecting the envrionment temperature residing for outdoor machine of conditioner and above-mentioned outdoor environment temperature T1. control device can turning to according to the relation control outdoor fan between the outdoor environment temperature T1 that the first temperature-detecting device detects and the first set(ting)value t1. thus, by judge outdoor environment temperature T1 and the first set(ting)value t1 size control outdoor fan just to rotation and rotate backward, when conditioner is in lower temperature environment, when reversing by outdoor fan, air quantity is compared significantly declining of air quantity when outdoor fan rotates forward and is realized the reduction of condenser condenses effect, thus improve condensation side pressure, and then improve the cryogenic refrigeration ability of conditioner in lower temperature environment, also help the steady running ensureing outdoor fan simultaneously, avoid the cost needing to arrange on air-conditioner outdoor unit the conditioner that add-on device leads back to add reheater condenser and cause with the return air part outdoor machine in correlation technique higher, the problem of complicated operation.
The control method of conditioner refrigeration according to embodiments of the present invention, detection outdoor environment temperature T1, and outdoor environment temperature T1 and the first set(ting)value t1 is compared, as T1≤t1, control outdoor fan rotates backward, as T1 > t1, outdoor fan keeps just to rotation, thus, by judge outdoor environment temperature T1 and the first set(ting)value t1 size control outdoor fan just to rotation and rotate backward, when conditioner is in lower temperature environment, when reversing by outdoor fan, air quantity is compared significantly declining of air quantity when outdoor fan rotates forward and is realized the reduction of condenser condenses effect, thus improve condensation side pressure, and then improve the cryogenic refrigeration ability of conditioner in lower temperature environment, also help the steady running ensureing outdoor fan simultaneously, avoid the cost needing to arrange on air-conditioner outdoor unit the conditioner that add-on device leads back to add reheater condenser and cause with the return air part outdoor machine in correlation technique higher, the problem of complicated operation.
According to some embodiments of the present invention, the control method of conditioner refrigeration also comprises the steps: to detect the middle portion temperature T2 of vaporizer, adjusts the rotating speed of outdoor fan after outdoor fan rotates backward according to middle portion temperature T2. Such as, conditioner can also comprise the 2nd temperature-detecting device, 2nd temperature-detecting device may be used for detecting the middle portion temperature T2 of vaporizer, as outdoor environment temperature T1≤the first set(ting)value t1, above-mentioned control device can control outdoor fan and rotate backward, above-mentioned control device can adjust the rotating speed of outdoor fan according to the middle portion temperature T2 of vaporizer subsequently, and by the reverse speed of adjustment outdoor fan to adjust the size of the air quantity of outdoor fan, and then adjustment condensation side pressure, final realization improves the cryogenic refrigeration ability of conditioner in lower temperature environment.
Wherein, it will be appreciated that this step of the middle portion temperature T2 of detection vaporizer can be any time point before the rotating speed of adjustment outdoor fan. Such as, at the time point of detection outdoor environment temperature T1, the middle portion temperature T2 of vaporizer can be detected simultaneously.
Specifically, as shown in Figure 1, when 0, < during T2≤s1, reducing the rotating speed of the outdoor fan of reversion, such as, the rotating speed reversed by outdoor fan reduces 50rpm;As s1<T2,<during s2, outdoor fan keeps current speed reversal constant; As T2>=s2, it is to increase the rotating speed of the outdoor fan of reversion, such as, the rotating speed that outdoor fan reverses is improved 50rpm; When T2≤0, control conditioner is shut down, thus prevents evaporator develops ice.
Can selection of land, the span of s1 and s2 is: 1 DEG C < s1 < 5 DEG C; 3 DEG C < s2 < 9 DEG C, simple and reliable.
In further embodiment of the present invention, the control method of conditioner refrigeration also comprises the steps: to compare outdoor environment temperature T1 and the 2nd set(ting)value t2, as t1 < T1≤t2, adjust rotating speed when outdoor fan rotates forward according to middle portion temperature T2. Such as, conditioner can also comprise the 2nd temperature-detecting device, 2nd temperature-detecting device may be used for detecting the middle portion temperature T2 of vaporizer, as first set(ting)value t1 < outdoor environment temperature T1≤the 2nd set(ting)value t2, outdoor fan, just to rotation, adjusts the rotating speed of outdoor fan subsequently according to the middle portion temperature T2 of vaporizer.
Thus, as T1≤t1, control outdoor fan rotate backward and according to middle portion temperature T2 adjust outdoor fan rotating speed, can be conducive to improving the cryogenic refrigeration ability of conditioner in lower temperature environment, as first set(ting)value t1 < outdoor environment temperature T1≤the 2nd set(ting)value t2, by adjusting the forward rotational speed of outdoor fan, the air quantity of adjustment outdoor fan, and then adjustment condensation side pressure, final realization improves the cryogenic refrigeration ability of conditioner in low temperature environment.
Can selection of land, the 2nd set(ting)value t2 is 8 DEG C.
Specifically, as shown in Figure 2, when 0,<during T2≤n1, reducing the rotating speed of the outdoor fan rotated forward, such as, the rotating speed rotated forward by outdoor fan reduces 50rpm; As n1<T2,<during n2, outdoor fan keeps current positive rotary speed constant; As T2>=n2, it is to increase the rotating speed of the outdoor fan of rotating forward, such as, the rotating speed that outdoor fan rotates forward is improved 50rpm; When T2≤0, control conditioner is shut down, thus prevents evaporator develops ice.
Can selection of land, the span of n1 and n2 is: 4 DEG C < n1 < 8 DEG C; 6 DEG C < n2 < 12 DEG C, thus, simple and reliable.
According to some embodiments of the present invention, when the specified refrigerating duty of conditioner is 100%, reduce the running frequency of compressor, that is, when compressor reaches the ability output of 100%, the running frequency of compressor can be reduced, thus be conducive to ensureing stability and the reliability of conditioner operation.
The control method freezed by the conditioner of the embodiment of the present invention below with reference to Fig. 1-Fig. 2 is described in detail.
As depicted in figs. 1 and 2, the control method of the conditioner refrigeration of the embodiment of the present invention comprises the steps:
Detection outdoor environment temperature T1, and outdoor environment temperature T1 and the first set(ting)value t1 is compared. Wherein, the first set(ting)value t1 is-8 DEG C.
As T1≤t1, control outdoor fan rotates backward, and the middle portion temperature T2 of detection vaporizer, adjusts the rotating speed of outdoor fan after outdoor fan rotates backward according to middle portion temperature T2. Specifically, when 0<during T2≤s1, reduces the rotating speed of the outdoor fan of reversion; As s1<T2,<during s2, outdoor fan keeps current speed reversal constant; As T2>=s2, it is to increase the rotating speed of the outdoor fan of reversion; When T2≤0, control conditioner is shut down. Wherein, the span of s1 and s2 is: 1 DEG C<s1<5 DEG C; 3 DEG C<s2<9 DEG C, simple and reliable.
As T1 > t1, outdoor fan keeps just to rotation, and is compared by outdoor environment temperature T1 and the 2nd set(ting)value t2.Wherein, the 2nd set(ting)value t2 is 8 DEG C. As t1 < T1≤t2, adjust rotating speed when outdoor fan rotates forward according to middle portion temperature T2. Specifically, as shown in Figure 2, when 0<during T2≤n1, reduces the rotating speed of the outdoor fan rotated forward; As n1<T2,<during n2, outdoor fan keeps current positive rotary speed constant; As T2>=n2, it is to increase the rotating speed of the outdoor fan of rotating forward; When T2≤0, control conditioner is shut down, thus prevents evaporator develops ice. Wherein, the span of n1 and n2 is: 4 DEG C<n1<8 DEG C; 6 DEG C<n2<12 DEG C, thus, simple and reliable.
When the specified refrigerating duty of conditioner is 100%, reduce the running frequency of compressor. Specifically, the maximum frequency of operation of compressor can be found out and the running frequency of compressor corresponding when the specified refrigerating duty of conditioner is 100% according to above-mentioned steps, and this frequency values is write in sequence of control, at the operational process of conditioner, when detecting that the running frequency of compressor reaches maximum frequency of operation, reduce the running frequency of compressor. Thus be conducive to ensureing stability and the reliability of conditioner operation.
In the description of this specification sheets, at least one embodiment that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained in the present invention in conjunction with concrete feature, structure, material or feature that this embodiment or example describe or example. In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example. And, the concrete feature of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner. In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can be carried out combining and combining by the technician of this area.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by the those of ordinary skill of this area within the scope of the invention.
Claims (10)
1. the control method of a conditioner refrigeration, it is characterised in that, comprise the steps:
Detection outdoor environment temperature T1, and outdoor environment temperature T1 and the first set(ting)value t1 is compared;
As described T1≤t1, control outdoor fan rotates backward, and as T1 > t1, described outdoor fan keeps just to rotation.
2. the control method of conditioner according to claim 1 refrigeration, it is characterised in that, also comprise the steps: to detect the middle portion temperature T2 of vaporizer, after outdoor fan rotates backward, adjust the rotating speed of described outdoor fan according to described middle portion temperature T2.
3. the control method of conditioner according to claim 2 refrigeration, it is characterised in that,
When 0 < during T2≤s1, reduces the rotating speed of the described outdoor fan of reversion;
As s1 < T2, < during s2, described outdoor fan keeps current speed reversal constant;
As T2 >=s2, it is to increase the rotating speed of the described outdoor fan of reversion;
When T2≤0, control described conditioner and shut down.
4. the control method of conditioner according to claim 3 refrigeration, it is characterised in that, the span of described s1 and described s2 is: 1 DEG C < s1 < 5 DEG C; 3 DEG C < s2 < 9 DEG C.
5. the control method of conditioner according to claim 2 refrigeration, it is characterized in that, also comprise the steps: to compare described outdoor environment temperature T1 and the 2nd set(ting)value t2, as t1 < T1≤t2, adjust rotating speed when described outdoor fan rotates forward according to described middle portion temperature T2.
6. the control method of conditioner according to claim 5 refrigeration, it is characterised in that,
When 0 < during T2≤n1, reduces the rotating speed of the described outdoor fan rotated forward;
As n1 < T2, < during n2, described outdoor fan keeps current positive rotary speed constant;
As T2 >=n2, it is to increase the rotating speed of the described outdoor fan of rotating forward;
When T2≤0, control described conditioner and shut down.
7. the control method of conditioner according to claim 6 refrigeration, it is characterised in that, the span of described n1 and described n2 is: 4 DEG C < n1 < 8 DEG C; 6 DEG C < n2 < 12 DEG C.
8. the control method of conditioner according to claim 1 refrigeration, it is characterised in that, described first set(ting)value t1 is-8 DEG C.
9. the control method of conditioner according to claim 5 refrigeration, it is characterised in that, described 2nd set(ting)value t2 is 8 DEG C.
10. according to any one of claim 1-9 conditioner refrigeration control method, it is characterised in that, when the specified refrigerating duty of described conditioner is 100%, reduce compressor running frequency.
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| CN201610123932.4A CN105674505B (en) | 2016-03-04 | 2016-03-04 | The control method of air conditioner refrigeration |
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| CN201610123932.4A CN105674505B (en) | 2016-03-04 | 2016-03-04 | The control method of air conditioner refrigeration |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322679A (en) * | 2016-08-31 | 2017-01-11 | 广东美的制冷设备有限公司 | Control method for outdoor fan of air conditioner |
| CN107560001A (en) * | 2017-08-23 | 2018-01-09 | 宁波奥克斯电气股份有限公司 | Low temperature refrigerating air conditioner and its control method |
| CN110081568A (en) * | 2019-05-22 | 2019-08-02 | 广东美的制冷设备有限公司 | Air conditioner and its air conditioning control method, control device and readable storage medium storing program for executing |
| CN110848888A (en) * | 2019-11-29 | 2020-02-28 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and computer storage medium |
| CN112611084A (en) * | 2020-11-23 | 2021-04-06 | 珠海格力电器股份有限公司 | Low-temperature refrigeration control method and system, air conditioner, medium and terminal |
| CN111322733B (en) * | 2020-03-09 | 2021-09-21 | 宁波奥克斯电气股份有限公司 | Air conditioner external motor steering control method and device and air conditioner |
| CN114234288A (en) * | 2021-11-12 | 2022-03-25 | 青岛海尔空调器有限总公司 | Control method and device for fresh air supply of air conditioner and air conditioner |
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| CN107560001B (en) * | 2017-08-23 | 2019-08-16 | 宁波奥克斯电气股份有限公司 | Low temperature refrigerating air conditioner and its control method |
| CN110081568A (en) * | 2019-05-22 | 2019-08-02 | 广东美的制冷设备有限公司 | Air conditioner and its air conditioning control method, control device and readable storage medium storing program for executing |
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| CN110848888A (en) * | 2019-11-29 | 2020-02-28 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and computer storage medium |
| CN110848888B (en) * | 2019-11-29 | 2021-08-27 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and computer storage medium |
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