CN208635259U - A kind of refrigeration system and air-conditioning - Google Patents
A kind of refrigeration system and air-conditioning Download PDFInfo
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- CN208635259U CN208635259U CN201821289082.6U CN201821289082U CN208635259U CN 208635259 U CN208635259 U CN 208635259U CN 201821289082 U CN201821289082 U CN 201821289082U CN 208635259 U CN208635259 U CN 208635259U
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- heat exchanger
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Abstract
The utility model relates to air-conditioning technical fields, more particularly to a kind of refrigeration system and air-conditioning, including refrigerant circulation circuit, refrigerant circulation circuit includes the compressor by pipeline connection, outdoor heat exchanger, outdoor throttling set, indoor heat exchanger and gas-liquid separator, compressor is connect with indoor heat exchanger and outdoor heat exchanger respectively by reversal valve, gas-liquid separator is connected on the pipeline between reversal valve and the air inlet of the compressor, it further include refrigerant driving branch, one end of refrigerant driving branch is connected to the liquid outlet of gas-liquid separator, pipeline connection between the other end and indoor heat exchanger and the reversal valve；A unlatching is selected according to outdoor environment temperature compressor and refrigerant driving branch.The utility model can make compressor stop working, and refrigerant drives branch starting, cooperation reversal valve commutation, to guarantee that refrigeration system operates normally refrigeration under working condition outside ultra-low-temperature chamber, meets the indoor refrigerating operaton of air-conditioning under extreme condition.
Description
Technical field
The utility model relates to air-conditioning technical field more particularly to a kind of refrigeration system and air-conditionings.
Background technique
For existing air conditioner heat pump system, often there is the operation demand under the conditions of some extreme operating conditions, at outdoor unit
(such as -20 DEG C and following), indoor unit are under high temperature working condition (such as 20 DEG C or more) under the conditions of ultralow-temperature operation conditions,
The case where seeking unit operation refrigeration.And conventional compressor not can guarantee normal operation under the working condition, therefore very
Difficulty meets the refrigeration demand under the conditions of this kind of extreme operating condition.
Utility model content
(1) technical problems to be solved
The technical problems to be solved in the utility model is to solve existing air-conditioning refrigeration system to be difficult to meet ultralow-temperature operation conditions
Under the conditions of refrigeration demand the problem of.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of refrigeration system, including refrigerant circulation circuit, institute
It includes gentle by the compressor of pipeline connection, outdoor heat exchanger, outdoor throttling set, indoor heat exchanger for stating refrigerant circulation circuit
Liquid/gas separator, the compressor are connect with the indoor heat exchanger and the outdoor heat exchanger respectively by reversal valve, the gas
Liquid/gas separator is connected on the pipeline between the reversal valve and the air inlet of the compressor, further includes refrigerant driving branch,
One end of the refrigerant driving branch is connected to the liquid outlet of the gas-liquid separator, the other end and the indoor heat exchanger and institute
State the pipeline connection between reversal valve；The compressor according to outdoor environment temperature and refrigerant driving branch select a unlatching.
Wherein, the refrigerant driving branch road is equipped with refrigerant booster pump.
It wherein, further include control device and the first temperature-detecting device, first temperature-detecting device is used for sensing chamber
External environment temperature, the control device respectively with the reversal valve, the compressor, the refrigerant booster pump and it is described first temperature
Spend detection device electrical connection；The control device is used for the outdoor environment temperature detected according to first temperature-detecting device
Whether it is less than preset temperature, the compressor is controlled when being greater than or equal to preset temperature and is opened；When less than preset temperature time control
The reversal valve is made to commutate and control the refrigerant booster pump unlatching.
It wherein, further include second temperature detection device, the second temperature detection device is set to the outdoor heat exchanger
Heat exchanger tube on, the outdoor heat exchanger is externally provided with blower, the control device respectively with the second temperature detection device and
The blower connection, the temperature of the heat exchanger tube of the outdoor heat exchanger for being detected according to the second temperature detection device
Control the start and stop of the blower.
Wherein, the indoor heat exchanger is one or more, and every indoor heat exchanger passes through parallel branch simultaneously respectively
Connection setting.
Wherein, the indoor throttling set is equipped in the parallel branch of every indoor heat exchanger.
Wherein, the outdoor throttling set and each indoor throttling set include electric expansion valve, capillary, heat
One of power expansion valve.
Wherein, the pipeline between the exhaust outlet of the compressor and the reversal valve is equipped with valve member.
Wherein, the valve member includes check valve, non-return valve or check-valves.
Wherein, the reversal valve includes four-way reversing valve.
The utility model additionally provides a kind of air-conditioning, including refrigeration system as described above.
(3) beneficial effect
The above-mentioned technical proposal of the utility model has the advantages that
Refrigerant is arranged in existing refrigerant circulation circuit and drives branch for the refrigeration system and air-conditioning of the utility model, cold
Matchmaker drives the liquid outlet of liquid feeding end connection gas-liquid separator bottom of branch or the liquid refrigerants of middle and lower part to stockpile position, and refrigerant drives
On pipeline between the refrigerant inlet and reversal valve of the outlet end connection indoor heat exchanger of dynamic branch；When outdoor environment temperature is normal
When rule state, refrigerant circulation circuit is operated normally, and the high temperature refrigerant gas being discharged from compressor successively passes through reversal valve, outdoor is changed
The refrigerant liquid for becoming low-temp low-pressure after hot device, outdoor throttling set enters the room heat exchanger, carries out heat exchange with room air,
To freeze to room air, the refrigerant after heat exchange, which enters gas-liquid separator by reversal valve from indoor heat exchanger, to be carried out
Gas-liquid separation, cold media gas enter compressor, and refrigerant liquid accumulates in gas-liquid separator.When outdoor environment temperature is ultralow temperature
When state, compressor be can not work normally, and the branch starting of refrigerant driving at this time directly arranges the refrigerant liquid in gas-liquid separator
Out to indoor heat exchanger, freeze to room air, the refrigerant after heat exchange passes sequentially through again after indoor heat exchanger discharge
The refrigerant liquid for becoming low-temp low-pressure after outdoor throttling set, outdoor heat exchanger, reversal valve enters in gas-liquid separator.
With this, outside the ultra-low-temperature chamber caused by the too low room temperature height of outdoor temperature under working condition, the utility model can
Compressor is set to stop working, refrigerant drives branch starting, cooperation reversal valve commutation, to guarantee the working condition outside ultra-low-temperature chamber
Lower refrigeration system operates normally refrigeration, meets the indoor refrigerating operaton of air-conditioning under extreme condition.
In addition to the utility model described above solve the technical issues of, composition technical solution technical characteristic and
Have except advantage brought by the technical characteristic of these technical solutions, the other technical characteristics of the utility model and these technologies are special
The advantages of sign is brought, will further illustrate in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is one refrigerant system configurations schematic diagram of the utility model embodiment；
Fig. 2 is two refrigerant system configurations schematic diagram of the utility model embodiment；
Fig. 3 is the flow chart that the utility model embodiment refrigeration system carries out refrigeration work.
In figure: 1: compressor；2: outdoor heat exchanger；3: outdoor throttling set；4: indoor heat exchanger；5: gas-liquid separator；
6: reversal valve；7: refrigerant booster pump；8: blower；9: valve member；10: indoor throttling set；100: refrigerant circulation circuit；200: cold
Matchmaker drives branch；A: preset temperature.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " are meant that two
A or more than two, " several ", " several ", " several groups " are meant that one or more.
Embodiment one
As shown in Figure 1, the refrigeration system that the utility model embodiment one provides, including refrigerant circulation circuit 100, refrigerant follows
Loop back path 100 includes gentle by the compressor 1 of pipeline connection, outdoor heat exchanger 2, outdoor throttling set 3, indoor heat exchanger 4
Liquid/gas separator 5, compressor 1 are connect with indoor heat exchanger 4 and outdoor heat exchanger 2 respectively by reversal valve 6, and gas-liquid separator 5 connects
It connects on the pipeline between reversal valve 6 and the air inlet of compressor 1, further includes refrigerant driving branch 200, refrigerant drives branch
200 one end are connected to the liquid outlet of gas-liquid separator 5, and refrigerant drives 200 other end of branch and indoor heat exchanger 4 and reversal valve 6
Between pipeline connection；A unlatching is selected according to outdoor environment temperature compressor 1 and refrigerant driving branch 200.
Refrigerant is arranged in existing refrigerant circulation circuit and drives branch, refrigerant driving for the refrigeration system of the utility model
The liquid outlet of liquid feeding end connection gas-liquid separator bottom or the liquid refrigerants of middle and lower part of branch stockpile position, and refrigerant drives branch
Outlet end connection indoor heat exchanger refrigerant inlet and reversal valve between pipeline on；When outdoor environment temperature is conventional sense
When, refrigerant circulation circuit operate normally, from compressor be discharged high temperature refrigerant gas successively pass through reversal valve, outdoor heat exchanger,
The refrigerant liquid for becoming low-temp low-pressure after outdoor throttling set enters the room heat exchanger, carries out heat exchange with room air, thus
Freeze to room air, the refrigerant after heat exchange enters gas-liquid separator by reversal valve from indoor heat exchanger and carries out gas-liquid
Separation, cold media gas enter compressor, and refrigerant liquid accumulates in gas-liquid separator.When outdoor environment temperature is ultra low temperature state
When, compressor can not work normally, and the refrigerant liquid in gas-liquid separator is discharged directly to by the branch starting of refrigerant driving at this time
Indoor heat exchanger freezes to room air, and the refrigerant after heat exchange passes sequentially through outdoor after indoor heat exchanger discharge again
The refrigerant liquid for becoming low-temp low-pressure after throttling set, outdoor heat exchanger, reversal valve enters in gas-liquid separator.
With this, outside the ultra-low-temperature chamber caused by the too low room temperature height of outdoor temperature under working condition, the utility model can
Compressor is set to stop working, refrigerant drives branch starting, cooperation reversal valve commutation, to guarantee the working condition outside ultra-low-temperature chamber
Lower refrigeration system operates normally refrigeration, meets the indoor refrigerating operaton of air-conditioning under extreme condition.
Wherein, refrigerant driving branch 200 is equipped with refrigerant booster pump 7.It is cold when outdoor environment temperature is ultra low temperature state
Matchmaker is pressurized pump startup, and the liquid outlet outflow low-temp low-pressure liquid refrigerants of gas-liquid separator is pressed to form cryogenic high pressure liquid refrigerants,
And be pumped into indoor heat exchanger and carry out heat exchange, then by high pressure gaseous refrigerant is discharged in indoor heat exchanger, enter back into room
High-temperature low-pressure gaseous coolant is formed by throttle valve pressure release before external heat exchanger, low-temp low-pressure liquid is converted into outdoor heat exchanger
Refrigerant flows back to gas-liquid separator.The power of refrigerant booster pump is much smaller compared with compressor, and can be with oil-free lubrication, therefore surpasses
The coefficient of performance of refrigerant pressurization pump operation and reliability have great advantages under cryogenic refrigeration operating condition, to improve ultralow
Air-conditioning uses the coefficient of performance and reliability of the cooling cycle system of refrigerant booster pump under warm cooling condition.
Wherein, as shown in figure 3, the utility model refrigeration system further includes control device and the first temperature-detecting device,
One temperature-detecting device for detecting outdoor environment temperature, control device respectively with reversal valve 6, compressor 1, refrigerant booster pump 7
It is connected with the first temperature-detecting device point；Control device is used for the outdoor environment temperature detected according to the first temperature-detecting device
Whether preset temperature a is less than, when being greater than or equal to preset temperature a, control compressor 1 is opened；When less than preset temperature a time control
Reversal valve 6 processed commutates and controls the unlatching of refrigerant booster pump 7.Outdoor environment temperature is carried out by the first temperature-detecting device first to sentence
Disconnected, when outdoor environment temperature is greater than or equal to preset temperature, i.e., outdoor environment temperature is conventional sense, and control device holding is changed
To valve position, compressor start, refrigerant booster pump is closed, refrigerant circulation circuit normal operation refrigeration mode.When outdoor environment temperature
When degree is less than preset temperature and outdoor environment temperature is ultra low temperature state, and control device makes reversal valve commutate, or first starting compression
Machine makes reversal valve commutate after establishing enough commutation pressure differences, then keeps compressor to stop again, and refrigerant booster pump is opened, ultralow
Refrigeration mode is operated under warm operating condition.
Wherein, the utility model refrigeration system further includes second temperature detection device, and second temperature detection device is set to
On the heat exchanger tube of outdoor heat exchanger 2, outdoor heat exchanger 2 is externally provided with blower 8, control device respectively with second temperature detection device and
Blower 8 connects, and the temperature of the heat exchanger tube of the outdoor heat exchanger 2 for being detected according to second temperature detection device controls blower 8
Start and stop.Blower on outdoor heat exchanger can select to open according to refrigeration system operating condition, the inspection of second temperature detection device
The temperature of the heat exchanger tube of outdoor heat exchanger is surveyed, control device judges control blower according to the detection information of second temperature detection device
Start and stop.
Wherein, indoor heat exchanger 4 is one or more, and every indoor heat exchanger 4 is arranged in parallel by parallel branch respectively.
Indoor heat exchanger number of units can need to select according to practical refrigeration.In the present embodiment, the refrigeration system of air-conditioning is with separate unit outdoor heat exchange
Device is as outdoor heat exchanger, and two indoor heat exchanger parallel connections are as indoor heat exchanger.
Wherein, the pipeline between the exhaust outlet of compressor 1 and reversal valve 6 is equipped with valve member 9.Valve member 9 includes unidirectional
Valve, non-return valve or check-valves.Valve member is arranged at exhaust outlet of compressor prevents the high pressure gaseous refrigerant by being wherein discharged from returning
Stream guarantees that refrigerant circulation circuit is unimpeded.It should be noted that as long as the valve member can play the role of conducting and interruption i.e.
Can, specific structure for the valve member and without limitation.
Wherein, reversal valve 6 includes four-way reversing valve.Four-way reversing valve includes exhaust port, return-air port, outdoor unit port
It is connected to the exhaust outlet of indoor unit port, compressor with exhaust port, outdoor unit port is connected to outdoor heat exchanger, return-air port
It is connected to the refrigerant inlet of gas-liquid separator, indoor unit port is connected to indoor heat exchanger.When outdoor environment temperature is greater than or waits
When preset temperature, the exhaust port of four-way reversing valve is connected in outdoor unit port, and return-air port and indoor unit port are connected；When
When outdoor environment temperature is less than preset temperature, the exhaust port of four-way reversing valve and indoor unit port are connected, return-air port and room
Outer generator terminal mouth is connected.
In the present embodiment, the magnitude range of preset temperature a is more than or equal to -25 DEG C and to be less than or equal to -15 DEG C.It needs
Bright, above-mentioned temperature range is only to illustrate to the temperature range of the operating temperature critical value of compressor in the system
It is bright, not merely limit to the above-mentioned temperature range enumerated, can be adjusted correspondingly according to practical situation.
Embodiment two
As shown in Fig. 2, the refrigeration system that the utility model embodiment two provides, essentially identical with above-described embodiment one, no
It is with place, indoor throttling set 10 is equipped in the parallel branch of every indoor heat exchanger 4.Outdoor throttling set 3 and each
A interior throttling set 10 includes one of electric expansion valve, capillary, heating power expansion valve.Heat exchangers in parallel branch in junction chamber
Indoor throttling set is arranged in road, is further let out to the low-temp low-pressure liquid refrigerants by flowing out on outdoor throttling set
Pressure, or preliminary pressure release throttling is carried out to the high pressure gaseous refrigerant by flowing out in indoor heat exchanger, outdoor throttling set is always
Certain aperture is kept, the indoor throttling set of every branch road can need to open according to refrigeration.
It should be noted that the first temperature-detecting device and second temperature detection device can be, temperature sensor, temperature controller
Or temperature monitor etc..It is readily appreciated that, due to the structure of the first temperature-detecting device, second temperature detection device and controller
It is well known to the skilled person with working principle, for the sake of saving length, is not detailed herein.Outdoor throttling set
Capillary, heating power expansion valve and electricity and sub- expansion valve etc. can be selected with indoor throttling set to be used to throttle to gas or liquid into property
The device of pressure release.
Embodiment three
The utility model embodiment three provides a kind of air-conditioning, including the refrigeration system in such as above-described embodiment.
In conclusion the refrigeration system of the utility model, is arranged refrigerant in existing refrigerant circulation circuit and drives branch,
The liquid outlet of liquid feeding end connection gas-liquid separator bottom or the liquid refrigerants of middle and lower part of refrigerant driving branch stockpile position, refrigerant
It drives on the pipeline between the refrigerant inlet and reversal valve of the outlet end connection indoor heat exchanger of branch；When outdoor environment temperature is
When conventional sense, refrigerant circulation circuit is operated normally, and the high temperature refrigerant gas being discharged from compressor successively passes through reversal valve, outdoor
The refrigerant liquid for becoming low-temp low-pressure after heat exchanger, outdoor throttling set enters the room heat exchanger, carries out hot friendship with room air
It changes, to freeze to room air, the refrigerant after heat exchange enters gas-liquid separator by reversal valve from indoor heat exchanger
Gas-liquid separation is carried out, cold media gas enters compressor, and refrigerant liquid accumulates in gas-liquid separator.When outdoor environment temperature is super
When low-temperature condition, compressor be can not work normally, the branch starting of refrigerant driving at this time, and the refrigerant liquid in gas-liquid separator is straight
Connect and be expelled to indoor heat exchanger, freeze to room air, the refrigerant after heat exchange after indoor heat exchanger discharge again successively
Refrigerant liquid by becoming low-temp low-pressure after outdoor throttling set, outdoor heat exchanger, reversal valve enters in gas-liquid separator.
With this, outside the ultra-low-temperature chamber caused by the too low room temperature height of outdoor temperature under working condition, the utility model can
Compressor is set to stop working, refrigerant drives branch starting, cooperation reversal valve commutation, to guarantee the working condition outside ultra-low-temperature chamber
Lower refrigeration system operates normally refrigeration, meets the indoor refrigerating operaton of air-conditioning under extreme condition.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (11)
1. a kind of refrigeration system, including refrigerant circulation circuit, the refrigerant circulation circuit include by the compressor of pipeline connection,
Outdoor heat exchanger, outdoor throttling set, indoor heat exchanger and gas-liquid separator, the compressor by reversal valve respectively with it is described
Indoor heat exchanger and outdoor heat exchanger connection, the gas-liquid separator be connected to the reversal valve and the compressor into
On pipeline between port, it is characterised in that: further include refrigerant driving branch, one end of the refrigerant driving branch and the gas
The liquid outlet of liquid/gas separator is connected to, the pipeline connection between the other end and the indoor heat exchanger and the reversal valve；According to room
Compressor described in external environment temperature and refrigerant driving branch select a unlatching.
2. refrigeration system according to claim 1, it is characterised in that: the refrigerant driving branch road is equipped with refrigerant pressurization
Pump.
3. refrigeration system according to claim 2, it is characterised in that: further include control device and the first temperature detection dress
Set, first temperature-detecting device for detecting outdoor environment temperature, the control device respectively with the reversal valve, described
The electrical connection of first temperature-detecting device described in compressor, the refrigerant booster pump；The control device is used for according to described first
Whether the outdoor environment temperature that temperature-detecting device detects is less than preset temperature, controls institute when being greater than or equal to preset temperature
State compressor unlatching；The reversal valve is controlled when being less than preset temperature to commutate and control the refrigerant booster pump unlatching.
4. refrigeration system according to claim 3, it is characterised in that: it further include second temperature detection device, described second
Temperature-detecting device is set on the outdoor heat exchanger, and the outdoor heat exchanger is externally provided with blower, the control device respectively with
The blower and second temperature detection device connection, the room for being detected according to the second temperature detection device
The temperature of external heat exchanger controls the blower start and stop.
5. refrigeration system according to claim 1, it is characterised in that: the indoor heat exchanger be one or more, more
The indoor heat exchanger is arranged in parallel by parallel branch respectively.
6. refrigeration system according to claim 5, it is characterised in that: in the parallel branch of every indoor heat exchanger
Equipped with indoor throttling set.
7. refrigeration system according to claim 6, it is characterised in that: the outdoor throttling set and each indoor section
Flowing device includes one of electric expansion valve, capillary, heating power expansion valve.
8. refrigeration system according to claim 1, it is characterised in that: the exhaust outlet of the compressor and the reversal valve it
Between pipeline be equipped with valve member.
9. refrigeration system according to claim 8, it is characterised in that: the valve member includes check valve, non-return valve or stops
Return valve.
10. refrigeration system according to claim 1, it is characterised in that: the reversal valve includes four-way reversing valve.
11. a kind of air-conditioning, it is characterised in that: including such as described in any item refrigeration systems of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289082.6U CN208635259U (en) | 2018-08-10 | 2018-08-10 | A kind of refrigeration system and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289082.6U CN208635259U (en) | 2018-08-10 | 2018-08-10 | A kind of refrigeration system and air-conditioning |
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| Publication Number | Publication Date |
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| CN208635259U true CN208635259U (en) | 2019-03-22 |
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| CN201821289082.6U Active CN208635259U (en) | 2018-08-10 | 2018-08-10 | A kind of refrigeration system and air-conditioning |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654636A (en) * | 2018-12-29 | 2019-04-19 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system and control method improving Smaller load operation refrigerating capacity |
| CN110425112A (en) * | 2019-08-12 | 2019-11-08 | 郑州海尔空调器有限公司 | The control method of the air-conditioning of anti-compressor liquid hammer and anti-compressor liquid hammer |
| CN112484180A (en) * | 2019-09-11 | 2021-03-12 | 广东美的白色家电技术创新中心有限公司 | Air conditioner |
| CN112665204A (en) * | 2020-12-25 | 2021-04-16 | 青岛海尔空调器有限总公司 | Control method and device for double-evaporator air conditioner and double-evaporator air conditioner |
| CN113009947A (en) * | 2021-03-04 | 2021-06-22 | 河南省奥瑞环保科技股份有限公司 | Temperature control device and system for independent double-path zero-gas generator |
| CN113970126A (en) * | 2020-07-07 | 2022-01-25 | 广东美的制冷设备有限公司 | Air conditioner, control method of air conditioner and storage medium |
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2018
- 2018-08-10 CN CN201821289082.6U patent/CN208635259U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654636A (en) * | 2018-12-29 | 2019-04-19 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system and control method improving Smaller load operation refrigerating capacity |
| CN109654636B (en) * | 2018-12-29 | 2020-09-01 | 广东志高暖通设备股份有限公司 | Air conditioning system for improving small-load operation refrigerating capacity and control method |
| CN110425112A (en) * | 2019-08-12 | 2019-11-08 | 郑州海尔空调器有限公司 | The control method of the air-conditioning of anti-compressor liquid hammer and anti-compressor liquid hammer |
| CN110425112B (en) * | 2019-08-12 | 2022-09-06 | 郑州海尔空调器有限公司 | Compressor liquid impact prevention air conditioner and compressor liquid impact prevention control method |
| CN112484180A (en) * | 2019-09-11 | 2021-03-12 | 广东美的白色家电技术创新中心有限公司 | Air conditioner |
| CN113970126A (en) * | 2020-07-07 | 2022-01-25 | 广东美的制冷设备有限公司 | Air conditioner, control method of air conditioner and storage medium |
| CN113970126B (en) * | 2020-07-07 | 2022-11-11 | 广东美的制冷设备有限公司 | Air conditioner, control method of air conditioner and storage medium |
| CN112665204A (en) * | 2020-12-25 | 2021-04-16 | 青岛海尔空调器有限总公司 | Control method and device for double-evaporator air conditioner and double-evaporator air conditioner |
| CN112665204B (en) * | 2020-12-25 | 2022-09-02 | 青岛海尔空调器有限总公司 | Control method and device for double-evaporator air conditioner and double-evaporator air conditioner |
| CN113009947A (en) * | 2021-03-04 | 2021-06-22 | 河南省奥瑞环保科技股份有限公司 | Temperature control device and system for independent double-path zero-gas generator |
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