CN105674505B - The control method of air conditioner refrigeration - Google Patents
The control method of air conditioner refrigeration Download PDFInfo
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- CN105674505B CN105674505B CN201610123932.4A CN201610123932A CN105674505B CN 105674505 B CN105674505 B CN 105674505B CN 201610123932 A CN201610123932 A CN 201610123932A CN 105674505 B CN105674505 B CN 105674505B
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- air conditioner
- outdoor fan
- outdoor
- control method
- revolving speed
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
The present invention discloses a kind of control method of air conditioner refrigeration, includes the following steps: to detect outdoor environment temperature T1, and outdoor environment temperature T1 is compared with the first setting value t1；As T1≤t1, control outdoor fan is rotated backward, and as T1 > t1, outdoor fan holding is rotated forward.The control method of air conditioner refrigeration according to the present invention, as T1≤t1, control outdoor fan rotates backward, as T1 > t1, outdoor fan holding rotates forward, and air quantity compares the sharp fall of air quantity when outdoor fan rotates forward to realize the reduction of condenser condensation effect when can be inverted as a result, by outdoor fan, to improve condensation lateral pressure, and then improve lower cooling capacity of the air conditioner in lower low temperature environment.
Description
Technical field
The present invention relates to air conditioner technical fields, more particularly, to a kind of control method of air conditioner refrigeration.
Background technique
In the related technology, improve air conditioner cryogenic refrigeration when refrigerating capacity method it is general there are two types of:
One is the rotation speed of fan by reducing outdoor unit, increase the pressure of high condenser pressure side, improve refrigerant flow
To improve heating performance under low temperature, although this method is simple, in order to guarantee the stable operation of outdoor fan of air conditioner, blower has
Minimum speed requirement.In the lower situation of outdoor temperature, even if outdoor fan is run using minimum speed, condensation lateral pressure is still
It is so difficult to improve, heating performance under low temperature is poor in this case.
Second is that by air-conditioner outdoor unit add-on device the return air part of outdoor unit is led back to heat condenser,
To improve high condenser pressure lateral pressure.But this method makes the higher cost of air conditioner and operation is more complex.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of control method of air conditioner refrigeration out, can effectively improve the cryogenic refrigeration energy of air conditioner in the environment of lower temperature
Power.
The control method of air conditioner refrigeration according to an embodiment of the present invention, includes the following steps: to detect outdoor environment temperature
T1, and outdoor environment temperature T1 is compared with the first setting value t1；As the T1≤t1, control outdoor fan reversely turns
Dynamic, as T1 > t1, the outdoor fan holding is rotated forward.
The control method of air conditioner refrigeration according to an embodiment of the present invention, as T1≤t1, control outdoor fan reversely turns
Dynamic, as T1 > t1, outdoor fan holding is rotated forward, as a result, by judging the big of outdoor environment temperature and the first setting value
Rotating forward and rotating backward for small control outdoor fan, when air conditioner is in lower temperature environment, can pass through outdoor
The sharp fall of air quantity when air quantity is rotated forward compared to outdoor fan when blower inverts realizes the reduction of condenser condensation effect,
To improve condensation lateral pressure, and then lower cooling capacity of the air conditioner in lower low temperature environment is improved, while also advantageous
In the stable operation for guaranteeing outdoor fan, avoids and need to be arranged on air-conditioner outdoor unit add-on device in the related technology with handle
The return air part of outdoor unit is led back to heat higher cost, the problem complicated for operation of air conditioner caused by condenser.
According to some embodiments of the present invention, the control method of air conditioner refrigeration further includes following steps: detection evaporator
Middle portion temperature T2, the revolving speed of the outdoor fan is adjusted according to the middle portion temperature T2 after outdoor fan rotates backward.
Further, which is characterized in that as 0 < T2≤s1, reduce the revolving speed of the outdoor fan of reversion；As s1 < T2
When < s2, the outdoor fan keeps current speed reversal constant；As T2 >=s2, turning for the outdoor fan of reversion is improved
Speed；As T2≤0, controls the air conditioner and shut down.
Further, the value range of the s1 and the s2 are as follows: 1 DEG C < s1 < 5 DEG C；3℃<s2<9℃.
Further, the control method of air conditioner refrigeration further includes following steps: by the outdoor environment temperature T1 and the
Two setting value t2 are compared, and as t1 < T1≤t2, are adjusted when the outdoor fan rotates forward according to the middle portion temperature T2
Revolving speed.
Further, as 0 < T2≤n1, the revolving speed of the outdoor fan of rotating forward is reduced；It is described as n1 < T2 < n2
Outdoor fan keeps current positive rotary speed constant；As T2 >=n2, the revolving speed of the outdoor fan of rotating forward is improved；When T2≤0
When, it controls the air conditioner and shuts down.
Further, the value range of the n1 and the n2 are as follows: 4 DEG C < n1 < 8 DEG C；6℃<n2<12℃.
According to some embodiments of the present invention, the first setting value t1 is -8 DEG C.
Further, the second setting value t2 is 8 DEG C.
According to some embodiments of the present invention, when the rated cooling capacity of the air conditioner is 100%, compressor is reduced
Running frequency.
Detailed description of the invention
Fig. 1 is the control of the air conditioner refrigeration according to an embodiment of the present invention when outdoor environment temperature is less than the first setting value
The schematic diagram of method processed；
Fig. 2 is according to an embodiment of the present invention when outdoor environment temperature is greater than the first setting value and less than the second setting value
Air conditioner refrigeration control method schematic diagram.
Wherein symbol is expressed as: outdoor environment temperature T1；Middle portion temperature T2；First setting value t1；Second setting value t2.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The control method of air conditioner refrigeration according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 2.Wherein, air conditioner
It can be used for adjusting room temperature, such as air conditioner can freeze to indoor environment or heat to indoor environment.
Specifically, air conditioner includes compressor, indoor heat exchanger, outdoor heat exchanger and restricting element.Wherein it is possible to manage
Solution, when air conditioner refrigeration, indoor heat exchanger is evaporator, and outdoor heat exchanger is condenser；When air conditioner heat-production, room
Interior heat exchanger is condenser, and outdoor heat exchanger is evaporator.Herein, it should be noted that refrigeration and heating about air conditioner
Principle and compressor, indoor heat exchanger, outdoor heat exchanger and restricting element structure and working principle by this field skill
Known to art personnel, no longer it is described in detail herein.
It is understood that signified air conditioner is in system in the refrigerating method of the air conditioner of the embodiment of the present invention
The air conditioner of cold state, therefore, outdoor heat exchanger herein is condenser, and indoor heat exchanger is evaporator.
As depicted in figs. 1 and 2, the control method of air conditioner refrigeration according to an embodiment of the present invention, may include walking as follows
It is rapid: detection outdoor environment temperature T1, and outdoor environment temperature T1 is compared with the first setting value t1；As T1≤t1, control
Outdoor fan processed rotates backward, and as T1 > t1, outdoor fan holding is rotated forward.Optionally, the first setting value t1 is -8 DEG C.
For example, air conditioner may include the first temperature-detecting device and control device, the first temperature-detecting device can be used
Environment temperature, that is, above-mentioned outdoor environment temperature T1 locating for detection outdoor unit of the air conditioner.Control device can be according to the first temperature
The steering of relationship control outdoor fan between the outdoor environment temperature T1 and the first setting value t1 that degree detection device detects.By
This, by judging that the size of outdoor environment temperature T1 and the first setting value t1 controls rotating forward and reversely turning for outdoor fan
It is dynamic, when air conditioner is in lower temperature environment, when air quantity is rotated forward compared to outdoor fan when can be inverted by outdoor fan
The sharp fall of air quantity realize the reduction of condenser condensation effect, to improve condensation lateral pressure, and then improve air-conditioning
Lower cooling capacity of the device in lower temperature environment, while the stable operation for guaranteeing outdoor fan is also helped, it avoids
It needs that add-on device is arranged on air-conditioner outdoor unit in the related technology and heats condensation so that the return air part of outdoor unit is led back to
The higher cost of air conditioner, problem complicated for operation caused by device.
The control method of air conditioner according to an embodiment of the present invention refrigeration, detects outdoor environment temperature T1, and by outdoor ring
Border temperature T1 is compared with the first setting value t1, and as T1≤t1, control outdoor fan is rotated backward, as T1 > t1, room
Outer blower holding rotates forward, and passes through the size control room exogenous wind for judging outdoor environment temperature T1 and the first setting value t1 as a result,
Machine rotating forward and rotating backward, when air conditioner is in lower temperature environment, wind when can be inverted by outdoor fan
Amount compares the sharp fall of air quantity when outdoor fan rotates forward to realize the reduction of condenser condensation effect, to improve condensation
Lateral pressure, and then lower cooling capacity of the air conditioner in lower temperature environment is improved, while also helping the outdoor wind of guarantee
The stable operation of machine avoids and needs to be arranged on air-conditioner outdoor unit add-on device in the related technology the return air of outdoor unit
Part is led back to heat higher cost, the problem complicated for operation of air conditioner caused by condenser.
According to some embodiments of the present invention, the control method of air conditioner refrigeration further includes following steps: detection evaporator
Middle portion temperature T2, after outdoor fan rotates backward according to middle portion temperature T2 adjust outdoor fan revolving speed.For example, air conditioner
It can also include second temperature detection device, second temperature detection device can be used for detecting the middle portion temperature T2 of evaporator, when
When the setting value t1 of outdoor environment temperature T1≤first, above-mentioned control device can control outdoor fan to rotate backward, subsequent above-mentioned control
Device processed can adjust the revolving speed of outdoor fan according to the middle portion temperature T2 of evaporator, and by adjusting the reverse speed of outdoor fan
To adjust the air volume of outdoor fan, and then condensation lateral pressure is adjusted, final realize improves air conditioner in lower temperature
Lower cooling capacity in environment.
Wherein it is possible to understand, detect the middle portion temperature T2 of evaporator the step for can be and adjusting outdoor wind
Any point-in-time before the revolving speed of machine.For example, evaporator can be detected simultaneously at the time point of detection outdoor environment temperature T1
Middle portion temperature T2.
Specifically, as shown in Figure 1, as 0 < T2≤s1, the revolving speed of the outdoor fan of reversion is reduced, for example, by outdoor wind
The revolving speed of machine reversion reduces 50rpm；As s1 < T2 < s2, outdoor fan keeps current speed reversal constant；As T2 >=s2, mention
The revolving speed of the outdoor fan of height reversion, for example, the revolving speed of outdoor fan reversion is improved 50rpm；As T2≤0, air-conditioning is controlled
Device is shut down, to prevent evaporator from freezing.
Optionally, the value range of s1 and s2 are as follows: 1 DEG C < s1 < 5 DEG C；It is 3 DEG C < s2 < 9 DEG C, simple and reliable.
In further embodiment of the present invention, the control method of air conditioner refrigeration further includes following steps: by outdoor ring
Border temperature T1 is compared with the second setting value t2, as t1 < T1≤t2, is adjusted outdoor fan according to middle portion temperature T2 and is rotated forward
When revolving speed.For example, air conditioner can also include second temperature detection device, second temperature detection device can be used for detecting steaming
The middle portion temperature T2 for sending out device, as the first setting value t1 < outdoor environment temperature setting value t2 of T1≤second, outdoor fan is positive
Rotation then adjusts the revolving speed of outdoor fan according to the middle portion temperature T2 of evaporator.
As a result, as T1≤t1, control outdoor fan rotates backward and adjusts turning for outdoor fan according to middle portion temperature T2
Speed can be conducive to improve lower cooling capacity of the air conditioner in lower temperature environment, when ring outside the first room setting value t1 <
The border setting value t2 of temperature T1≤second can adjust the air quantity of outdoor fan, and then adjust by adjusting the forward rotational speed of outdoor fan
Whole condensation lateral pressure, it is final to realize the lower cooling capacity for improving air conditioner in low temperature environment.
Optionally, the second setting value t2 is 8 DEG C.
Specifically, as shown in Fig. 2, as 0 < T2≤n1, the revolving speed of the outdoor fan of rotating forward is reduced, for example, by outdoor wind
The revolving speed that machine rotates forward reduces 50rpm；As n1 < T2 < n2, outdoor fan keeps current positive rotary speed constant；As T2 >=n2, mention
The revolving speed for the outdoor fan that height rotates forward, for example, the revolving speed that outdoor fan is rotated forward improves 50rpm；As T2≤0, air-conditioning is controlled
Device is shut down, to prevent evaporator from freezing.
Optionally, the value range of n1 and n2 are as follows: 4 DEG C < n1 < 8 DEG C；It is 6 DEG C < n2 < 12 DEG C, simple and reliable as a result,.
According to some embodiments of the present invention, when the rated cooling capacity of air conditioner is 100%, the operation of compressor is reduced
Frequency, that is to say, that when compressor reaches 100% ability output, the running frequency of compressor can be reduced, to be conducive to
Guarantee the stability and reliability of air conditioner operation.
It is described in detail below with reference to control method of Fig. 1-Fig. 2 to the air conditioner refrigeration of the embodiment of the present invention.
As depicted in figs. 1 and 2, the control method of the air conditioner refrigeration of the embodiment of the present invention includes the following steps:
Outdoor environment temperature T1 is detected, and outdoor environment temperature T1 is compared with the first setting value t1.Wherein, first
Setting value t1 is -8 DEG C.
As T1≤t1, control outdoor fan is rotated backward, and detects the middle portion temperature T2 of evaporator, reversed in outdoor fan
The revolving speed of outdoor fan is adjusted after rotation according to middle portion temperature T2.Specifically, reducing the outdoor wind of reversion as 0 < T2≤s1
The revolving speed of machine；As s1 < T2 < s2, outdoor fan keeps current speed reversal constant；As T2 >=s2, the outdoor of reversion is improved
The revolving speed of blower；As T2≤0, control air conditioner is shut down.Wherein, the value range of s1 and s2 are as follows: 1 DEG C < s1 < 5 DEG C；3℃<s2
It is < 9 DEG C, simple and reliable.
As T1 > t1, outdoor fan holding is rotated forward, and outdoor environment temperature T1 and the second setting value t2 is carried out
Compare.Wherein, the second setting value t2 is 8 DEG C.As t1 < T1≤t2, adjusted when outdoor fan rotates forward according to middle portion temperature T2
Revolving speed.Specifically, as shown in Fig. 2, as 0 < T2≤n1, the revolving speed of the outdoor fan of rotating forward is reduced；It is outdoor as n1 < T2 < n2
Blower keeps current positive rotary speed constant；As T2 >=n2, the revolving speed of the outdoor fan of rotating forward is improved；As T2≤0, control is empty
Device is adjusted to shut down, to prevent evaporator from freezing.Wherein, the value range of n1 and n2 are as follows: 4 DEG C < n1 < 8 DEG C；6 DEG C < n2 < 12 DEG C, by
This, it is simple and reliable.
When the rated cooling capacity of air conditioner is 100%, the running frequency of compressor is reduced.It specifically, can be according to above-mentioned
Step finds out the operation frequency of corresponding compressor when the maximum frequency of operation i.e. rated cooling capacity of air conditioner of compressor is 100%
Rate, and this frequency values is written in control program, in the operational process of air conditioner, when the running frequency for detecting compressor reaches
When maximum frequency of operation, the running frequency of compressor is reduced.To advantageously ensure that the stability and reliability of air conditioner operation.
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 embodiment or examples.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, modifies, replacement and variant.
Claims (8)
1. a kind of control method of air conditioner refrigeration, which comprises the steps of:
Outdoor environment temperature T1 is detected, and outdoor environment temperature T1 is compared with the first setting value t1；
As the T1≤t1, control outdoor fan is rotated backward, and detects the middle portion temperature T2 of evaporator, reversed in outdoor fan
The revolving speed of the outdoor fan is adjusted after rotation according to the middle portion temperature T2,
As 0 < T2≤s1, the revolving speed of the outdoor fan of reversion is reduced；
As s1 < T2 < s2, the outdoor fan keeps current speed reversal constant；
As T2 >=s2, the revolving speed of the outdoor fan of reversion is improved；
As T2≤0, controls the air conditioner and shut down；
As T1 > t1, the outdoor fan holding is rotated forward.
2. the control method of air conditioner refrigeration according to claim 1, which is characterized in that the value of the s1 and the s2
Range are as follows: 1 DEG C < s1 < 5 DEG C；3℃<s2<9℃.
3. the control method of air conditioner refrigeration according to claim 1, which is characterized in that further include following steps: by institute
It states outdoor environment temperature T1 to be compared with the second setting value t2, as t1 < T1≤t2, be adjusted according to the middle portion temperature T2
The revolving speed when outdoor fan rotates forward.
4. the control method of air conditioner refrigeration according to claim 3, which is characterized in that
As 0 < T2≤n1, the revolving speed of the outdoor fan of rotating forward is reduced；
As n1 < T2 < n2, the outdoor fan keeps current positive rotary speed constant；
As T2 >=n2, the revolving speed of the outdoor fan of rotating forward is improved；
As T2≤0, controls the air conditioner and shut down.
5. the control method of air conditioner refrigeration according to claim 4, which is characterized in that the value of the n1 and the n2
Range are as follows: 4 DEG C < n1 < 8 DEG C；6℃<n2<12℃.
6. the control method of air conditioner refrigeration according to claim 1, which is characterized in that the first setting value t1 is -8
℃。
7. the control method of air conditioner refrigeration according to claim 3, which is characterized in that the second setting value t2 is 8
℃。
8. the control method of the refrigeration of air conditioner described in any one of -7 according to claim 1, which is characterized in that when the air-conditioning
When the rated cooling capacity of device is 100%, the running frequency of compressor is reduced.
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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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322679B (en) * | 2016-08-31 | 2019-12-27 | 广东美的制冷设备有限公司 | Control method for outdoor fan of air conditioner |
| 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 |
| CN110081568B (en) * | 2019-05-22 | 2021-05-28 | 广东美的制冷设备有限公司 | Air conditioner, air conditioner control method and device and readable 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 |
| 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 |
| CN112611084B (en) * | 2020-11-23 | 2022-01-28 | 珠海格力电器股份有限公司 | Low-temperature refrigeration control method and system, air conditioner, medium and terminal |
| 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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