CN110195912A - Air-conditioner defrosting control method, control device and air-conditioning - Google Patents
Air-conditioner defrosting control method, control device and air-conditioning Download PDFInfo
- Publication number
- CN110195912A CN110195912A CN201910474258.8A CN201910474258A CN110195912A CN 110195912 A CN110195912 A CN 110195912A CN 201910474258 A CN201910474258 A CN 201910474258A CN 110195912 A CN110195912 A CN 110195912A
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- Prior art keywords
- air
- conditioning
- outdoor
- heat exchanger
- outdoor heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
-
- 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
Abstract
The present invention provides a kind of air-conditioner defrosting control method, control device and air-conditionings, the air-conditioner defrosting control method includes: after the air-conditioning heating, according to outdoor environment temperature, outdoor fan or hot refrigerant is selected to defrost the outdoor heat exchanger of the air-conditioning.Air-conditioner defrosting control method provided by the invention, it can be after air-conditioning heating, according to outdoor environment temperature, selection defrosts to the outdoor heat exchanger of air-conditioning using outdoor fan and hot refrigerant two ways, the running efficiency of air conditioner outdoor heat exchanger when next time, heating was opened can be effectively improved, the operational efficiency of air-conditioning entirety is promoted, and saves the energy consumption of air-conditioner defrosting.
Description
Technical field
The present invention relates to air-conditioner defrosting technical field, in particular to a kind of air-conditioner defrosting control method, control device and sky
It adjusts.
Background technique
For air conditioner when being heated, meeting frosting, outdoor heat exchanger frosting will lead to heat exchange on outdoor heat exchanger
The heat exchange efficiency of device reduces, and influences the heating effect of air-conditioning, it is therefore necessary to melt the frost being attached on outdoor heat exchanger
Change.In general air-conditioning, has to the mode that outdoor heat exchanger carries out defrost and four-way reversing valve is switched to refrigeration mode and right
Outdoor heat exchanger carry out defrost or under heating state by high temperature refrigerant via bypass pipe bypass to outdoor heat exchanger and into
The various ways such as row defrost.Existing air-conditioning only uses a kind of mode mostly and defrosts, and defrosting efficiency is low, and existing air-conditioning is
Defrost is only carried out under air-conditioning heating state, and usually without defrosting operation after heating, this will lead to next empty
When modulation heat, the low problem of heating effect.
Summary of the invention
It defrosting present invention solves the problem in that existing air-conditioning only uses a kind of mode mostly, defrosting efficiency is low, with
And existing air-conditioning only carries out defrost under air-conditioning heating state, and cause after heating usually without defrosting operation
When next air-conditioning heating, the low problem of heating effect.
To solve the above problems, the present invention provides a kind of air-conditioner defrosting control methods, comprising:
After the air-conditioning heating, according to outdoor environment temperature, select outdoor fan or hot refrigerant to the sky
The outdoor heat exchanger of tune defrosts.
Air-conditioner defrosting control method provided by the invention, can be after air-conditioning heating, according to outdoor environment temperature, choosing
It selects and is defrosted using outdoor fan and hot refrigerant two ways to the outdoor heat exchanger of air-conditioning, next system can be effectively improved
The running efficiency of air conditioner outdoor heat exchanger when heat is opened, promotes the operational efficiency of air-conditioning entirety, and saves air-conditioner defrosting
Energy consumption.
Further, after the air-conditioning heating, according to outdoor environment temperature, outdoor fan or hot refrigerant are selected
It defrosts to the outdoor heat exchanger of the air-conditioning, comprising:
The air-conditioning heating terminates and sets heating time opening, before heating time opening, according to outdoor environment temperature
Degree selects outdoor fan or hot refrigerant to defrost the outdoor heat exchanger of the air-conditioning.
Further, after the air-conditioning heating, according to outdoor environment temperature, outdoor fan or hot refrigerant are selected
It defrosts to the outdoor heat exchanger of the air-conditioning, comprising:
After the air-conditioning quilt terminates heating or timing heating manually, according to outdoor environment temperature, outdoor wind is selected
Fan or hot refrigerant defrost to the outdoor heat exchanger of the air-conditioning.
Further, the defrosting control method of the air-conditioning, further includes:
The air-conditioning is defrosted in heating operations using outdoor heat exchanger of the hot refrigerant to the air-conditioning.
Further, after the air-conditioning heating, according to outdoor environment temperature, outdoor fan or hot refrigerant are selected
It defrosts to the outdoor heat exchanger of the air-conditioning, comprising:
Judge whether outdoor environment temperature is higher than preset temperature；
If outdoor environment temperature is higher than preset temperature, carried out using outdoor heat exchanger of the outdoor fan to the air-conditioning
Defrosting；
If outdoor environment temperature is less than or equal to preset temperature, using hot refrigerant to the outdoor heat exchanger of the air-conditioning
It defrosts.
Further, during being defrosted using outdoor fan to the outdoor heat exchanger of the air-conditioning: working as room
When external environment temperature is less than or equal to preset temperature, stops outdoor fan and defrosts to the outdoor heat exchanger of the air-conditioning,
It is defrosted using outdoor heat exchanger of the hot refrigerant to the air-conditioning.
Further, during being defrosted using hot refrigerant to the outdoor heat exchanger of the air-conditioning: working as outdoor
When environment temperature is higher than preset temperature, stops hot refrigerant and defrost to the outdoor heat exchanger of the air-conditioning, using the room
External fan defrosts to the outdoor heat exchanger of the air-conditioning.
Air-conditioner defrosting control method provided by the invention, can be after air-conditioning heating, according to temperature, fan indoors
Automatically switch between Defrost mode and hot coolant defrosting mode, electricity consumed by defrosting process is effectively reduced, it is more energy saving.
A kind of air-conditioner defrosting control device, comprising:
Outdoor controller, for after the air-conditioning heating, according to outdoor environment temperature, select outdoor fan or
Hot refrigerant defrosts to the outdoor heat exchanger of the air-conditioning；
Indoor controller, for controlling the operating of the air conditioner indoor unit；
The outdoor controller and indoor controller are attached by communication mode.
Air-conditioner defrosting control device provided by the invention, can be after air-conditioning heating, according to outdoor environment temperature, choosing
It selects and is defrosted using outdoor fan and hot refrigerant two ways to the outdoor heat exchanger of air-conditioning, improve and reuse air-conditioning
When air-conditioning heating effect and operational effect, and save the energy consumption of air-conditioner defrosting.
The present invention also provides a kind of air-conditionings, including above-mentioned provided air-conditioner defrosting control device.
Air-conditioning provided by the invention can be after air-conditioning heating, according to room by using air-conditioner defrosting control device
External environment temperature, selection defrost to the outdoor heat exchanger of air-conditioning using outdoor fan and hot refrigerant two ways, improve
The heating effect and operational effect of air-conditioning when reusing air-conditioning, and save the energy consumption of air-conditioner defrosting.
Further, the air-conditioning further include:
Outdoor environment temperature sensor for detecting outdoor environment temperature, and is sent to the outdoor controller；
Outdoor heat exchanger temperature sensor for detecting the temperature of outdoor heat exchanger, and is sent to the outdoor control
Device processed；
Indoor temperature transmitter for detecting room temperature, and is sent to the indoor controller.
Therefore, the air-conditioner defrosting control device is according to outdoor environment temperature sensor and outdoor heat exchanger temperature sensing
The temperature gap data of device, judge whether outdoor heat exchanger meets defrosting condition, for according to outdoor environment temperature, choosing
It selects outdoor fan or hot refrigerant defrosts to the outdoor heat exchanger of the air-conditioning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-conditioning according to an embodiment of the present invention；
Fig. 2 is the control block diagram of air-conditioning according to an embodiment of the present invention；
Fig. 3 is the flow chart of air-conditioner defrosting control method according to an embodiment of the present invention；
Fig. 4 is that preceding air-conditioner defrosting control method flow chart is opened in timing heating according to an embodiment of the present invention；
Fig. 5 is the air-conditioner defrosting controlling party that timing heating is defrosted before opening using hot refrigerant according to an embodiment of the present invention
Method flow chart；
Fig. 6 is to terminate air-conditioner defrosting control method process at the end of heating or timing heating manually according to an embodiment of the present invention
Figure.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
The present invention provides a kind of air-conditioner defrosting control methods, comprising:
After the air-conditioning heating, according to outdoor environment temperature, select outdoor fan or hot refrigerant to the sky
The outdoor heat exchanger of tune defrosts.
Air-conditioner defrosting control method provided by the invention, can be after air-conditioning heating, according to outdoor environment temperature, choosing
It selects and is defrosted using outdoor fan and hot refrigerant two ways to the outdoor heat exchanger of air-conditioning, next system can be effectively improved
The running efficiency of air conditioner outdoor heat exchanger when heat is opened, promotes the operational efficiency of air-conditioning entirety, and saves air-conditioner defrosting
Energy consumption.
Wherein, after the air-conditioning heating, according to outdoor environment temperature, select outdoor fan or hot refrigerant to institute
The outdoor heat exchanger for stating air-conditioning defrosts, comprising:
The air-conditioning heating terminates and sets heating time opening, before heating time opening, according to outdoor environment temperature
Degree selects outdoor fan or hot refrigerant to defrost the outdoor heat exchanger of the air-conditioning；And
After the air-conditioning quilt terminates heating or timing heating manually, according to outdoor environment temperature, outdoor wind is selected
Fan or hot refrigerant defrost to the outdoor heat exchanger of the air-conditioning.
Further, the air-conditioner defrosting control method, further includes:
The air-conditioning is defrosted in heating operations using outdoor heat exchanger of the hot refrigerant to the air-conditioning.
Further, after the air-conditioning heating, according to outdoor environment temperature, outdoor fan or hot refrigerant are selected
It defrosts to the outdoor heat exchanger of the air-conditioning, comprising:
Judge whether outdoor environment temperature is higher than preset temperature；
If outdoor environment temperature is higher than preset temperature, carried out using outdoor heat exchanger of the outdoor fan to the air-conditioning
Defrosting；
If outdoor environment temperature is less than or equal to preset temperature, using hot refrigerant to the outdoor heat exchanger of the air-conditioning
It defrosts.
Further, during being defrosted using outdoor fan to the outdoor heat exchanger of the air-conditioning: working as room
When external environment temperature is less than or equal to preset temperature, stops outdoor fan and defrosts to the outdoor heat exchanger of the air-conditioning,
It is defrosted using outdoor heat exchanger of the hot refrigerant to the air-conditioning；
During being defrosted using hot refrigerant to the outdoor heat exchanger of the air-conditioning: when outdoor environment temperature height
When preset temperature, stop hot refrigerant and defrost to the outdoor heat exchanger of the air-conditioning, uses outdoor fan using described
It defrosts to the outdoor heat exchanger of the air-conditioning.
Air-conditioner defrosting control method provided by the invention, can be after air-conditioning heating, according to temperature, fan indoors
Automatically switch between Defrost mode and hot coolant defrosting mode, electricity consumed by defrosting process is effectively reduced, it is more energy saving.
A kind of air-conditioner defrosting control device, comprising:
Outdoor controller, for after the air-conditioning heating, according to outdoor environment temperature, select outdoor fan or
Hot refrigerant defrosts to the outdoor heat exchanger of the air-conditioning；
Indoor controller, for controlling the operating of the air conditioner indoor unit；
The outdoor controller and indoor controller are attached by communication mode.
Air-conditioner defrosting control device provided by the invention, can be after air-conditioning heating, according to outdoor environment temperature, choosing
It selects and is defrosted using outdoor fan and hot refrigerant two ways to the outdoor heat exchanger of air-conditioning, improve and reuse air-conditioning
When air-conditioning heating effect and operational effect, and save the energy consumption of air-conditioner defrosting.
The present invention also provides a kind of air-conditionings, including above-mentioned provided air-conditioner defrosting control device.
Air-conditioning provided by the invention can be after air-conditioning heating, according to room by using air-conditioner defrosting control device
External environment temperature, selection defrost to the outdoor heat exchanger of air-conditioning using outdoor fan and hot refrigerant two ways, improve
The heating effect and operational effect of air-conditioning when reusing air-conditioning, and save the energy consumption of air-conditioner defrosting.
Further, the air-conditioning further include:
Outdoor environment temperature sensor for detecting outdoor environment temperature, and is sent to the outdoor controller；
Outdoor heat exchanger temperature sensor for detecting the temperature of outdoor heat exchanger, and is sent to the outdoor control
Device processed；
Indoor temperature transmitter for detecting room temperature, and is sent to the indoor controller.
Therefore, the air-conditioner defrosting control device is according to outdoor environment temperature sensor and outdoor heat exchanger temperature sensing
The temperature gap data of device, judge whether outdoor heat exchanger meets defrosting condition, for according to outdoor environment temperature, choosing
It selects outdoor fan or hot refrigerant defrosts to the outdoor heat exchanger of the air-conditioning.
The defrosting control method and air-conditioning of air-conditioning of the present invention is discussed in detail below with reference to embodiment.
Embodiment one
A kind of air-conditioning is present embodiments provided, as depicted in figs. 1 and 2, which includes:
Outdoor unit, including compressor 1, four-way valve 2, outdoor heat exchanger 3, throttle mechanism 4, outdoor fan 5；
Indoor unit, including indoor heat exchanger 6, indoor fan 7 are constituted；
The indoor unit of the air-conditioning, outdoor unit are by air conditioner coolant pipeline and cable connection.
Further, the air-conditioning further includes air-conditioner defrosting control device 8, for compressor 1, four-way valve 2, throttling machine
Structure 4, outdoor fan 5, indoor fan 7 are controlled.
The air-conditioner defrosting control device 8 includes outdoor controller 10 and the control air conditioning chamber of control air-conditioner outdoor unit operating
The indoor controller 11 of interior machine operating, outdoor controller 10 and indoor controller 11 can communication mode progress by cable distribution etc.
Connection.
Further, the air-conditioning further includes outdoor environment temperature sensor 13, for detecting outdoor environment temperature；Room
Interior temperature sensor 14, for detecting room temperature；Outdoor environment temperature sensor 15, for detecting outdoor heat exchanger 3
Temperature；Remote controler 12, for setting air-conditioning time opening, timing is closed.
Further, air-conditioner defrosting control device 8 controls the drive manner of air-conditioning according to the operation of remote controler 12；Air-conditioning
Control device 8 defrost according to the temperature gap data of outdoor environment temperature sensor 13 and outdoor heat exchanger temperature sensor 15
Judge whether heat exchanger meets defrosting case, for selecting outdoor fan or heat cold according to outdoor environment temperature
Matchmaker defrosts to the outdoor heat exchanger of the air-conditioning.
Embodiment two
A kind of air-conditioner defrosting control method is present embodiments provided, as shown in figure 3, the control method of the air-conditioner defrosting,
The following steps are included:
S1, judging whether air-conditioning heats terminates, if it is, S5 is entered step, it is no to then follow the steps S2；
S2, judges whether air-conditioning meets defrosting condition, if so, thening follow the steps S3；
S3, judges whether outdoor environment temperature is greater than 0 DEG C, if so, S4 is thened follow the steps, it is no to then follow the steps S5；
S4 is defrosted using outdoor heat exchanger of the outdoor fan to air-conditioning；
S5 is defrosted using outdoor heat exchanger of the hot refrigerant to air-conditioning；
S6 judges whether to meet defrosting condition, if so, S3 is thened follow the steps, it is no to then follow the steps S7；
S7 terminates the Defrost operation to the outdoor heat exchanger of air-conditioning.
Air-conditioner defrosting control method provided by the invention, according to temperature, can select indoor wind after air-conditioning heating
Fan Defrost mode or hot coolant defrosting mode defrost to air conditioner outdoor heat exchanger, can effectively improve heating next time and open
The running efficiency of air conditioner outdoor heat exchanger when opening, promotes the operational efficiency of air-conditioning entirety, and saves the energy of air-conditioner defrosting
Consumption.
Embodiment three
Air-conditioner defrosting control method before a kind of heating time opening is present embodiments provided, as shown in figure 4, this method packet
It includes:
S11, judging whether air-conditioning heats terminates, if it is, entering step S12；
S12, judges whether air-conditioning is provided with heating time opening, if so, thening follow the steps S13；
S13, judges whether air-conditioning meets defrosting condition, if so, thening follow the steps S14；
S14, judges whether outdoor environment is greater than 0 DEG C, if so, S15 is thened follow the steps, it is no to then follow the steps S16；
S15 is defrosted using outdoor heat exchanger of the fan to air-conditioning, and executes step S18；
S16, stopping are defrosted using outdoor heat exchanger of the fan to air-conditioning；
S17 defrosts to the air-conditioning using hot refrigerant；
S18, judges whether air-conditioning meets defrosting condition, if so, thening follow the steps S19；
S19, judges whether air-conditioning reaches the heating time opening time, if so, thening follow the steps S20, otherwise returns to step
Rapid S14；
S20, air-conditioning start heating operation.
Air-conditioner defrosting control method provided by the invention, can be after air-conditioning heating, according to temperature, fan indoors
Automatically switch between Defrost mode and hot coolant defrosting mode, electricity consumed by defrosting process is effectively reduced, it is more energy saving.
Example IV
One kind is present embodiments provided when air-conditioning sets heating time opening, timing heating unlatching is preceding to utilize hot refrigerant
The air-conditioner defrosting control method to defrost, as described in Figure 5, this method comprises:
S31, judging whether air-conditioning heats terminates, if it is, entering step S32；
S32, judges whether air-conditioning is provided with heating time opening, if so, thening follow the steps S33；
S33 is judged whether there is time enough and is defrosted using outdoor heat exchanger of the hot refrigerant to air-conditioning, if
It is to then follow the steps S34, otherwise return step S33；
S34, judges whether air-conditioning meets defrosting condition；If so, S35 is thened follow the steps, it is no to then follow the steps S37；
S35, judges whether air-conditioning have passed through the time as defined in time opening, if not having, executes step S36, otherwise executes
Step S38；
S36 defrosts to air-conditioning using hot refrigerant；
S37, judges whether air-conditioning have passed through the time as defined in time opening, if not having, executes step S37, otherwise executes
Step S38；
S38, air-conditioning start heating operation.
Embodiment five
Present embodiments provide a kind of after terminating air-conditioning heating manually or timing heats, air-conditioner defrosting controlling party
Method, as shown in fig. 6, this method comprises:
S41, judging whether air-conditioning heats terminates, if it is, S42 is entered step, it is no to then follow the steps S43；
S42, judges whether air-conditioning meets defrosting condition；If so, thening follow the steps S44；
S43 is defrosted using outdoor heat exchanger of the hot refrigerant to air-conditioning；
S44, judges whether outdoor environment temperature is greater than 0 DEG C, if so, S45 is thened follow the steps, it is no to then follow the steps S46；
S45 is defrosted using outdoor heat exchanger of the outdoor fan to air-conditioning, and executes step S47；
S46, stopping is defrosted using outdoor heat exchanger of the fan to air-conditioning, and executes step S43；
S47, judges whether air-conditioning meets defrosting condition, if so, S44 is thened follow the steps, it is no to then follow the steps S48；
S48 terminates the Defrost operation to the outdoor heat exchanger of air-conditioning.
Air-conditioner defrosting control method of the present invention, can be after air-conditioning heating, and according to outdoor environment temperature, selection is used
Outdoor fan and hot refrigerant two ways defrost to the outdoor heat exchanger of air-conditioning, can effectively improve heating next time and open
When air conditioner outdoor heat exchanger running efficiency, promote the operational efficiency of air-conditioning entirety, and save the energy consumption of air-conditioner defrosting.
So far, attached drawing is had been combined to the present invention have been described in detail.According to above description, those skilled in the art are answered
When having clear understanding to air-conditioner defrosting control method of the present invention, air-conditioner defrosting control device and air-conditioning.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (10)
1. a kind of air-conditioner defrosting control method, which is characterized in that the described method includes:
After the air-conditioning heating, according to outdoor environment temperature, select outdoor fan or hot refrigerant to the air-conditioning
Outdoor heat exchanger defrosts.
2. the method according to claim 1, wherein after the air-conditioning heating, according to outdoor environment temperature
Degree selects outdoor fan or hot refrigerant to defrost the outdoor heat exchanger of the air-conditioning, comprising:
The air-conditioning heating terminates and sets heating time opening, before the air-conditioning opens heating next time, according to outdoor ring
Border temperature selects outdoor fan or hot refrigerant to defrost the outdoor heat exchanger of the air-conditioning.
3. the method according to claim 1, wherein after the air-conditioning heating, according to outdoor environment temperature
Degree selects outdoor fan or hot refrigerant to defrost the outdoor heat exchanger of the air-conditioning, comprising:
After the air-conditioning quilt terminates heating manually or timing heats, according to outdoor environment temperature, select outdoor fan or
The hot refrigerant of person defrosts to the outdoor heat exchanger of the air-conditioning.
4. the method according to claim 1, wherein the method also includes:
The air-conditioning is defrosted in heating operations using outdoor heat exchanger of the hot refrigerant to the air-conditioning.
5. according to method described in right 1, which is characterized in that after the air-conditioning heating, according to outdoor environment temperature, choosing
It selects outdoor fan or hot refrigerant defrosts to the outdoor heat exchanger of the air-conditioning, comprising:
Judge whether outdoor environment temperature is higher than preset temperature；
If outdoor environment temperature is higher than preset temperature, the outdoor heat exchanger of the air-conditioning is removed using outdoor fan
Frost；
If outdoor environment temperature is less than or equal to preset temperature, carried out using outdoor heat exchanger of the hot refrigerant to the air-conditioning
Defrosting.
6. according to the method described in claim 5, it is characterized in that, in the outdoor heat exchange using outdoor fan to the air-conditioning
During device is defrosted: when outdoor environment temperature is less than or equal to preset temperature, stopping outdoor fan to the air-conditioning
Outdoor heat exchanger defrost, defrosted using outdoor heat exchanger of the hot refrigerant to the air-conditioning.
7. according to the method described in claim 5, it is characterized in that, in the outdoor heat exchanger using hot refrigerant to the air-conditioning
During being defrosted: when outdoor environment temperature is higher than preset temperature, stopping hot refrigerant and hand over the outdoor heat of the air-conditioning
Parallel operation defrosts, and is defrosted using outdoor heat exchanger of the outdoor fan to the air-conditioning.
8. a kind of air-conditioner defrosting control device characterized by comprising
Outdoor controller, for according to outdoor environment temperature, selecting outdoor fan or heat cold after the air-conditioning heating
Matchmaker defrosts to the outdoor heat exchanger of the air-conditioning；
Indoor controller, for controlling the operating of the air conditioner indoor unit；
The outdoor controller and indoor controller are attached by communication mode.
9. a kind of air-conditioning, which is characterized in that including air-conditioner defrosting control device as claimed in claim 7.
10. air-conditioning according to claim 9, which is characterized in that further include:
Outdoor environment temperature sensor for detecting outdoor environment temperature, and is sent to the outdoor controller；
Outdoor heat exchanger temperature sensor for detecting the temperature of outdoor heat exchanger, and is sent to the outdoor controller；
Indoor temperature transmitter for detecting room temperature, and is sent to the indoor controller.
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| WO2017056158A1 (en) * | 2015-09-28 | 2017-04-06 | 三菱電機株式会社 | Air conditioner |
| CN106016581A (en) * | 2016-05-11 | 2016-10-12 | 广东美的制冷设备有限公司 | Defrosting control method and device of air conditioner |
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