CN108931039A - A kind of air conditioner control system and air regulator - Google Patents
A kind of air conditioner control system and air regulator Download PDFInfo
- Publication number
- CN108931039A CN108931039A CN201810967432.8A CN201810967432A CN108931039A CN 108931039 A CN108931039 A CN 108931039A CN 201810967432 A CN201810967432 A CN 201810967432A CN 108931039 A CN108931039 A CN 108931039A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- air conditioner
- circuit
- control system
- outdoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention provides a kind of air conditioner control system, includes compressor, reversal valve, outdoor heat exchanger, indoor heat exchanger and throttling set；Compressor inlet is connected to by reversal valve with outdoor heat exchanger；By the first circuit communication, throttling set is set on the first circuit for outdoor heat exchanger and indoor heat exchanger；Indoor heat exchanger is connected to by reversal valve with compressor inlet；Heat-exchanger rig is additionally provided on first circuit, heat-exchanger rig is set between throttling set and outdoor heat exchanger；Scheme provided by the invention improves the evaporating temperature of air-conditioning system, inhibits air conditioner frosting, improves air conditioner runing time, reduces unit and enters defrost number, avoids air conditioner from frequently entering defrost operating condition, to improve heating capacity and comfort.
Description
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of air conditioner control system and air regulator.
Background technique
Existing air conditioner is in heating operation, when outdoor environment temperature is lower, when air conditioner evaporating temperature is less than 0 DEG C,
Air conditioner is easy to appear frosting, and as frost thickness increases, evaporating temperature continues to reduce, so that heating capacity declined
Fastly, air conditioner frequently enters defrosting, to cause the reduction of room comfort；The problem is more general in the operation of existing air conditioner
Time, the comfort of air conditioner is reduced, customer complaint is be easy to cause.
Based on above-mentioned air conditioner in heating operation, there has been no relevant solutions；Therefore compel
Effective scheme to be sought be essential to solve the above problems.
Summary of the invention
The purpose of the present invention is shortcoming present in view of the above technology, a kind of air conditioner control system and sky are proposed
Gas adjuster, it is intended to solve the problems, such as to be easy frosting when existing air conditioner low-temperature heating.
The present invention provides a kind of air conditioner control system, includes compressor, reversal valve, outdoor heat exchanger, indoor heat exchange
Device and throttling set；Compressor outlet is connected to outdoor heat exchanger or indoor heat transmitter respectively by reversal valve；Outdoor is changed
By the first circuit communication, throttling set is set on the first circuit for hot device and indoor heat exchanger；Compressor inlet is by changing
It is connected to respectively with indoor heat exchanger or outdoor heat exchanger to valve；Heat-exchanger rig is additionally provided on first circuit, heat-exchanger rig is set to
Between throttling set and outdoor heat exchanger.
Further, throttling set includes first throttling device and second throttling device；Outdoor heat exchanger and interior are changed
Hot device is also connected to by second servo loop；First throttling device is set on the first circuit；Second throttling device is set to second time
On the road；First circuit and second servo loop are arranged in parallel.
Further, heat-exchanger rig is sheathed on first circuit, for adjusting refrigerant temperature on the first circuit.
Further, heat-exchanger rig is sheathed on the circuit of exhaust outlet of compressor simultaneously, for absorbing exhaust outlet of compressor
Refrigerant heat adjust refrigerant temperature on the first circuit.
Further, heat-exchanger rig is plate heat exchanger；When plate heat exchanger is used for air conditioner low temperature heating, to first time
Road refrigerant is heated, to improve the evaporating temperature of air conditioner.
Further, air conditioner low temperature heating is when outdoor environment temperature is lower than 3 DEG C；Plate heat exchanger is used for first
Refrigerant is heated on circuit, to defrost.
Further, throttling set is electric expansion valve；Reversal valve is four-way valve.
Further, when outdoor environment temperature is lower than 3 DEG C, when air-conditioning heating, first throttling device is opened, the second throttling dress
Set closing；The refrigerant of indoor heat exchanger enters outdoor heat exchanger after the first circuit exchanges heat；When outdoor environment temperature is higher than 3
DEG C, when air conditioner heat-production, first throttling device is closed, and second throttling device is opened；The refrigerant of indoor heat exchanger passes through second time
Road enters outdoor heat exchanger.
When outdoor environment temperature is lower than 3 DEG C, when air-conditioning heating, and air conditioner running time T is greater than preset time Tmin, when
After the temperature and outdoor environment temperature preset difference value Δ T of outdoor heat exchanger meet defrost preset condition, first throttling device aperture
It opens to maximum, second throttling device is closed, and air conditioner carries out hot gas defrosting；As the continuous T three times of air conditioner runing timei+1> Ti
Or Ti+1> preset time TmaxWhen, reversal valve commutation, system is converted to refrigeration mode, and first throttling device is opened, the second throttling
Device is closed；Compressor refrigerant enters outdoor heat exchanger by reversal valve commutation, then enters heat-exchanger rig by the first circuit, and
It is returned in compressor by indoor heat exchanger.
Correspondingly, in conjunction with above scheme, the present invention also provides a kind of air regulators；It include control system, the control
System processed is air conditioner control system described above.
A kind of air conditioner control system and air regulator provided by the invention, by outdoor heat exchanger and the first electronics
Plate heat exchanger is set between expansion valve, and the high temperature refrigerant that compressor is discharged, by heat exchange, is improved with by low temperature refrigerant
The evaporating temperature of air-conditioning system inhibits air conditioner frosting, to improve heating capacity and comfort；Scheme provided by the invention,
In the operation of low-temperature heating operating condition, by improving evaporating temperature, frosting velocity is reduced, air conditioner runing time is improved, reduces machine
Group enters defrost number, so that air conditioner be avoided to frequently enter defrost operating condition.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Below with reference to attached drawing, the invention will be further described:
Fig. 1 is a kind of air conditioner control system structural schematic diagram of the present invention.
In figure: 1, compressor；2, four-way valve；3, plate heat exchanger；4, outdoor heat exchanger；5, indoor heat exchanger；6, second
Electric expansion valve；7, the first electric expansion valve.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of air conditioner control system, it include compressor 1, reversal valve, outdoor heat exchange
Device 4, indoor heat exchanger 5 and throttling set；In the present embodiment, reversal valve is preferably four-way valve 2, and throttling set is electronic expansion
Valve；1 gas outlet of compressor is connected to outdoor heat exchanger 4 or the switching of indoor heat exchanger 5 respectively by four-way valve 2；Outdoor heat exchanger 4
With indoor heat exchanger 5 by the first circuit communication, throttling set is set on the first circuit, and 1 air inlet of compressor is also logical
It crosses four-way valve 2 to be connected to indoor heat exchanger 5 or the switching of outdoor heat exchanger 4 respectively, so as to form cold under refrigeration or heating condition
Matchmaker's circulation loop；Specifically, under heating condition, four-way Vavle switching, so that 1 gas outlet of compressor is by four-way valve 2 and interior
Heat exchanger 5 is connected to, and enters outdoor heat exchanger 4 after throttling by the first circuit, then returned to through four-way valve 2 by outdoor heat exchanger 4
The air entry of compressor 1；Under cooling condition, four-way Vavle switching, so that 1 gas outlet of compressor is changed by four-way valve 2 with outdoor
Hot device 4 is connected to, and enters the room heat exchanger 5 after throttling by the first circuit, then return to pressure through four-way valve 2 by outdoor heat exchanger 4
The air entry of contracting machine 1；Further, it is additionally provided with heat-exchanger rig on the first circuit, heat-exchanger rig is set to throttling set and outdoor
It between heat exchanger 4, is used under low-temperature heating operating condition, heat-exchanger rig exchanges heat to the refrigerant on the first circuit, improves first
Evaporator refrigerant temperature on circuit, to carry out defrost；Using the above scheme, air conditioner knot can be inhibited when low-temperature heating is run
Frost extends air conditioner runing time, improves heating capacity and heating comfort, meets the heating needs of different regions.
Preferably, in conjunction with above scheme, as shown in Figure 1, in the present embodiment, throttling set include first throttling device and
Second throttling device；First throttling device is the first electric expansion valve 7；Second throttling device is the second electric expansion valve 6；It is outdoor
Heat exchanger 4 is also connected to by second servo loop with indoor heat exchanger 5；First electric expansion valve 7 is set on the first circuit；Second electricity
Sub- expansion valve 6 is set on second servo loop；And the first circuit and second servo loop are arranged in parallel；Using the above scheme, make to have leisure
Adjust device in low-temperature heating, heat exchange defrost can be carried out by independent first circuit, avoid using nominal situation flow path without
Method reaches expected defrosting effect, can be worked normally by second servo loop under nominal situation.
Preferably, in conjunction with above scheme, as shown in Figure 1, in the present embodiment, heat-exchanger rig is plate heat exchanger, and plate
Formula heat exchanger 3 is sheathed on the circuit of 1 exhaust outlet of compressor simultaneously, is adjusted for absorbing the refrigerant heat of 1 exhaust outlet of compressor
Save refrigerant temperature on the first circuit.
Preferably, in conjunction with above scheme, as shown in Figure 1, heat-exchanger rig is plate heat exchanger 3 in the present embodiment；It is board-like to change
When hot device 3 is used for air conditioner low temperature heating, refrigerant on the first circuit is heated, so that the evaporating temperature of air conditioner is improved, with
This inhibits frosting.
Preferably, in conjunction with above scheme, as shown in Figure 1, air conditioner low temperature heating is that outdoor environment temperature is low in the present embodiment
When 3 DEG C, air conditioner starts heating mode；Plate heat exchanger 3 is used for heat to refrigerant on the first circuit, to carry out
Defrosting.
Preferably, in conjunction with above scheme, as shown in Figure 1, in the present embodiment, when outdoor environment temperature is lower than 3 DEG C, air-conditioning system
When hot, the first electric expansion valve 7 is opened, and the second electric expansion valve 6 is closed, and the refrigerant of indoor heat exchanger 5 is changed by the first circuit
Enter outdoor heat exchanger 4 after heat；Air-conditioner coolant circulation flow direction are as follows: 1 → four-way valve of compressor, 2 → indoor heat exchanger 5 → the first
2 → compressor of electric expansion valve 7 → plate heat exchanger, 3 → outdoor heat exchanger, 4 → four-way valve 10；
When outdoor environment temperature is higher than 3 DEG C, when air conditioner heat-production, the first electric expansion valve 7 is closed, the second electric expansion valve
6 open, and the refrigerant of indoor heat exchanger 5 enters outdoor heat exchanger by second servo loop；Air-conditioner coolant circulation flow direction are as follows: compressor
1 → four-way valve, 2 → indoor heat exchanger, 5 → the second 2 → compressor of electric expansion valve 6 → outdoor heat exchanger, 4 → four-way valve 1 maintains
Normal heating state.
Preferably, in conjunction with above scheme, as shown in Figure 1, in the present embodiment, when outdoor environment temperature is lower than 3 DEG C, air-conditioning system
When hot, and air conditioner running time T is greater than preset time Tmin, preset time TminGenerally 35min to 40min, consider according to
According to including: first, preventing the frequent startup-shutdown of air conditioner, running comfort is reduced；The second, prevent air conditioner runing time too long,
Cause heat exchanger frosting blocked up, influences reliability operation；When the temperature and outdoor environment temperature preset difference value Δ of outdoor heat exchanger 4
After T meets defrost preset condition, air conditioner enters defrosting, is defrosted using hot gas defrosting mode, and the first electric expansion valve 7 is opened
Degree is opened to maximum, and the second electric expansion valve 6 is closed, and air conditioner carries out hot gas defrosting；Refrigerant circulation flow direction are as follows: compressor 1 → tetra-
2 → indoor heat exchanger of port valve, 5 → the first 4 → four-way valve of electric expansion valve 7 → plate heat exchanger, 3 → outdoor heat exchanger, 2 → compression
Machine 1；Refrigerant carries out hot friendship after indoor heat exchanger, again by the high temperature refrigerant that plate heat exchanger 3 and compressor 1 are discharged
It changes, improves the refrigerant temperature for entering outdoor heat exchanger 4, accelerate defrost；After satisfaction exits defrost condition, defrost time Ti is recorded
(i=0,1,2 ...)；Specifically, the absolute difference of Δ T value outdoor heat exchanger and outdoor environment temperature, value and outdoor environment temperature
Spend it is related, it is as follows according to experimental results value:
| Outdoor environment temperature | ΔT |
| - 4 DEG C of outdoor environment temperature≤3 DEG C < | 9℃ |
| - 10 DEG C of outdoor environment temperature≤- 4 DEG C < | 6℃ |
| Outdoor environment temperature≤- 10 DEG C | 4℃ |
As the continuous T three times of air conditioner runing timei+1> TiOr Ti+1> preset time TmaxWhen, it is preferable that preset time
TmaxIt is general to choose 14min, the preset time TmaxConsider foundation are as follows: first, defrost overlong time are led without enough heat defrosts
Defrosting effect is caused to be deteriorated, room temperature, which reduces, influences comfort；Second, prevent outdoor heat exchanger medium temperature from adopting value wrong, lead
Frostless defrost is caused, reliability is influenced；Four-way valve 2 commutates, and system is converted to refrigeration mode, and the first electric expansion valve 7 is opened, and second
Electric expansion valve 6 is closed；1 refrigerant of compressor enters outdoor heat exchanger 4 by the commutation of four-way valve 2, then is entered by the first circuit
Plate heat exchanger 3, and returned in compressor 1 by indoor heat exchanger 5；Specifically, refrigerant flow direction are as follows: 1 → four-way of compressor
2 → outdoor heat exchanger of valve, 4 → plate heat exchanger, 3 → the first electric expansion valve 7 → outdoor heat exchanger, 4 → four-way valve, 2 → compressor
1；Heat exchange is carried out by the high temperature refrigerant that plate heat exchanger 3 and compressor 1 are discharged by the refrigerant of outdoor heat exchanger 4, is improved
Suction superheat prevents compressor air suction band liquid；After completing defrost, record defrost number is reset, and judgement enters defrost again
When, repeat above-mentioned defrosting control method.
Correspondingly, in conjunction with above scheme, the present invention also provides a kind of air regulators；It include control system, the control
System processed is air conditioner control system described above.
A kind of air conditioner control system and air regulator provided by the invention, by outdoor heat exchanger and the first electronics
Plate heat exchanger is set between expansion valve, and the high temperature refrigerant that compressor is discharged, by heat exchange, is improved with by low temperature refrigerant
The evaporating temperature of air-conditioning system inhibits air conditioner frosting, to improve heating capacity and comfort；Scheme provided by the invention,
In the operation of low-temperature heating operating condition, by improving evaporating temperature, frosting velocity is reduced, air conditioner runing time is improved, reduces machine
Group enters defrost number, so that air conditioner be avoided to frequently enter defrost operating condition.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications or equivalent example modified to equivalent change are made to technical solution of the present invention.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection scope of the technical program.
Claims (10)
1. a kind of air conditioner control system, which is characterized in that include compressor, reversal valve, outdoor heat exchanger, indoor heat exchanger
And throttling set；The compressor outlet by the reversal valve respectively with the outdoor heat exchanger or the indoor heat transfer
Device connection；By the first circuit communication, the throttling set is set to described for the outdoor heat exchanger and the indoor heat exchanger
On first circuit；The compressor inlet by the reversal valve respectively with the indoor heat exchanger or the outdoor heat exchanger
Connection；Heat-exchanger rig is additionally provided on first circuit, the heat-exchanger rig is set to the throttling set and the outdoor is changed
Between hot device.
2. air conditioner control system according to claim 1, which is characterized in that the throttling set includes first throttle
Device and second throttling device；The outdoor heat exchanger also passes through second servo loop with the indoor heat exchanger and is connected to；Described first
Throttling set is set on first circuit；The second throttling device is set on the second servo loop；Described first time
Road and the second servo loop are arranged in parallel.
3. air conditioner control system according to claim 1, which is characterized in that the heat-exchanger rig is sheathed on described first
On circuit, for adjusting refrigerant temperature on first circuit.
4. air conditioner control system according to claim 3, which is characterized in that the heat-exchanger rig is sheathed on described simultaneously
On the circuit of exhaust outlet of compressor, adjusted for absorbing the refrigerant heat of the exhaust outlet of compressor cold on first circuit
Matchmaker's temperature.
5. air conditioner control system according to claim 1, which is characterized in that the heat-exchanger rig is plate heat exchanger；
When the plate heat exchanger is used for air conditioner low temperature heating, to be heated to refrigerant on first circuit, to improve air-conditioning
The evaporating temperature of device.
6. air conditioner control system according to claim 5, which is characterized in that the air conditioner low temperature heating is outdoor environment
When temperature is lower than 3 DEG C, air conditioner starts heating mode；The plate heat exchanger is used for carry out to refrigerant on first circuit
Heating, to defrost.
7. air conditioner control system according to any one of claims 1 to 6, which is characterized in that the throttling set is electricity
Sub- expansion valve；The reversal valve is four-way valve.
8. air conditioner control system according to claim 2, which is characterized in that when outdoor environment temperature be lower than 3 DEG C, air-conditioning
When heating, the first throttling device is opened, and the second throttling device is closed；Described in the refrigerant of the indoor heat exchanger passes through
Enter the outdoor heat exchanger after the heat exchange of first circuit；When outdoor environment temperature is higher than 3 DEG C, when air conditioner heat-production, described first
Throttling set is closed, and the second throttling device is opened；The refrigerant of the indoor heat exchanger enters institute by the second servo loop
State outdoor heat exchanger.
9. air conditioner control system according to claim 2, which is characterized in that when outdoor environment temperature be lower than 3 DEG C, air-conditioning
When heating, and air conditioner running time T is greater than preset time Tmin, when the temperature and outdoor environment temperature of outdoor heat exchanger are default
After difference DELTA T meets defrost preset condition, the first throttling device aperture is opened to maximum, and the second throttling device is closed,
Air conditioner carries out hot gas defrosting；
As the continuous T three times of air conditioner runing timei+1> TiOr Ti+1> preset time TmaxWhen, the reversal valve commutation, system turns
It is changed to refrigeration mode, the first throttling device is opened, and the second throttling device is closed；Described in the compressor refrigerant passes through
Reversal valve commutation enters the outdoor heat exchanger, then enters the heat-exchanger rig by first circuit, and pass through the room
Interior heat exchanger returns in the compressor.
10. a kind of air regulator；Include control system, which is characterized in that the control system be the claims 1 to
9 described in any item air conditioner control systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967432.8A CN108931039A (en) | 2018-08-23 | 2018-08-23 | A kind of air conditioner control system and air regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967432.8A CN108931039A (en) | 2018-08-23 | 2018-08-23 | A kind of air conditioner control system and air regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108931039A true CN108931039A (en) | 2018-12-04 |
Family
ID=64445859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810967432.8A Withdrawn CN108931039A (en) | 2018-08-23 | 2018-08-23 | A kind of air conditioner control system and air regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108931039A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030665A (en) * | 2019-04-19 | 2019-07-19 | 宁波奥克斯电气股份有限公司 | A kind of defrosting control method, device and air conditioner |
| CN112413818A (en) * | 2019-08-23 | 2021-02-26 | Tcl空调器(中山)有限公司 | Control method of air conditioner, air conditioner and storage medium |
| CN112984708A (en) * | 2021-03-03 | 2021-06-18 | 广东Tcl智能暖通设备有限公司 | Air conditioner defrosting method, air conditioner control method and air conditioner |
| CN113251474A (en) * | 2021-04-28 | 2021-08-13 | 青岛海尔空调器有限总公司 | Air conditioner with double compressors |
| CN113465021A (en) * | 2021-04-28 | 2021-10-01 | 青岛海尔空调器有限总公司 | Control method for dual-compressor air conditioner |
| CN113551305A (en) * | 2020-04-26 | 2021-10-26 | 海信（山东）空调有限公司 | Air conditioner with double heat exchangers and control method thereof |
| CN113639491A (en) * | 2021-07-07 | 2021-11-12 | 青岛海尔空调电子有限公司 | Method and device for defrosting heat pump equipment and hot water unit |
-
2018
- 2018-08-23 CN CN201810967432.8A patent/CN108931039A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030665A (en) * | 2019-04-19 | 2019-07-19 | 宁波奥克斯电气股份有限公司 | A kind of defrosting control method, device and air conditioner |
| CN110030665B (en) * | 2019-04-19 | 2021-07-16 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device and air conditioner |
| CN112413818A (en) * | 2019-08-23 | 2021-02-26 | Tcl空调器(中山)有限公司 | Control method of air conditioner, air conditioner and storage medium |
| CN113551305A (en) * | 2020-04-26 | 2021-10-26 | 海信（山东）空调有限公司 | Air conditioner with double heat exchangers and control method thereof |
| CN113551305B (en) * | 2020-04-26 | 2022-08-12 | 海信空调有限公司 | Air conditioner with double heat exchangers and control method thereof |
| CN112984708A (en) * | 2021-03-03 | 2021-06-18 | 广东Tcl智能暖通设备有限公司 | Air conditioner defrosting method, air conditioner control method and air conditioner |
| CN113251474A (en) * | 2021-04-28 | 2021-08-13 | 青岛海尔空调器有限总公司 | Air conditioner with double compressors |
| CN113465021A (en) * | 2021-04-28 | 2021-10-01 | 青岛海尔空调器有限总公司 | Control method for dual-compressor air conditioner |
| CN113639491A (en) * | 2021-07-07 | 2021-11-12 | 青岛海尔空调电子有限公司 | Method and device for defrosting heat pump equipment and hot water unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108931039A (en) | A kind of air conditioner control system and air regulator | |
| US4711094A (en) | Reverse cycle heat reclaim coil and subcooling method | |
| WO2019134509A1 (en) | Outdoor unit, air conditioning system, and control method | |
| JPS636368A (en) | Air conditioner | |
| EP2829821B1 (en) | Heat pump | |
| WO2020186906A1 (en) | Defrosting control method for air conditioner and air conditioner | |
| CN113154522B (en) | Multi-connected air conditioner system and defrosting control method | |
| WO2021169261A1 (en) | Air conditioner and control method for achieving defrosting during heating thereof | |
| WO2021068358A1 (en) | Multi-line defrosting control method | |
| CN208936426U (en) | A kind of air conditioner control system and air regulator | |
| CN112444001A (en) | Air conditioner | |
| CN112444000A (en) | Air conditioner | |
| CN112443997A (en) | Air conditioner | |
| CN108007016A (en) | The control method of heat pump system and heat pump system | |
| WO2022110761A1 (en) | Air conditioner | |
| CN108800440B (en) | Air conditioner and control method thereof | |
| CN213480643U (en) | Heat pump system and air conditioning equipment | |
| CN107499089A (en) | A kind of electric automobile heat-pump air-conditioning system and its method of work | |
| CN113375376A (en) | Integrated heat pump system and control method thereof | |
| CN113776223B (en) | Double-enhanced vapor injection refrigeration system | |
| CN206514567U (en) | A kind of air conditioner | |
| CN206683155U (en) | Air-conditioning system | |
| CN113685916A (en) | Air conditioning system and control method thereof | |
| CN115265014A (en) | Refrigeration system of air conditioner and control method of refrigeration system of air conditioner | |
| CN112444002A (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181204 |
|
| WW01 | Invention patent application withdrawn after publication |