CN203518375U - Air conditioner circulating device - Google Patents
Air conditioner circulating device Download PDFInfo
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- CN203518375U CN203518375U CN201320670362.2U CN201320670362U CN203518375U CN 203518375 U CN203518375 U CN 203518375U CN 201320670362 U CN201320670362 U CN 201320670362U CN 203518375 U CN203518375 U CN 203518375U
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- 238000005338 heat storage Methods 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000001172 regenerating effect Effects 0.000 claims description 59
- 238000004378 air conditioning Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 9
- 239000011232 storage material Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 29
- 238000010257 thawing Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 40
- 238000009825 accumulation Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 230000008520 organization Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model provides an air conditioner circulating device. According to the utility model discloses an air conditioner circulating device, which comprises a compressor, a four-way valve, an outdoor heat exchanger, a throttling element and an indoor heat exchanger which are sequentially communicated; the first end of the heat storage device is communicated to a pipeline between the second port of the outdoor heat exchanger and the second port of the indoor heat exchanger through a first node, and the second end of the heat storage device is communicated to a pipeline between the first port of the indoor heat exchanger and the fourth interface of the four-way valve through a second node; a first electromagnetic valve is arranged on a pipeline between the second end of the heat storage device and the second node; and a second electromagnetic valve is arranged between the first node and the second port of the indoor heat exchanger. The utility model can realize continuous heating and store in the heat storage device when in operation and heating; the heat stored in the heat storage device is released during defrosting, and an intermittent heating mode and temperature difference change are avoided, so that the design structure is simple, the user feels comfortable, and the design structure is simple and easy to realize.
Description
Technical field
The utility model relates to field of air conditioning, especially, relates to a kind of Air-conditioning Cycle device.
Background technology
Heat pump machine, when defrost, need to adopt is shut down, running refrigerating circulation and externally machine carry out defrost, shut down indoor comfort degree impact very greatly, the defrost pattern technology adopting in industry at present has: the continuous defrost of accumulation of heat.Existing disclosed form has: the used heat of compressor is carried out to accumulation of heat, but it is large in the waste heat of low temperature condition lower compression machine, to receive the impact of atmospheric temperature, amount of stored heat may exist the situation of accumulation of heat deficiency.
Except this.Current some problems of regenerative apparatus ubiquity: 1), in the situation of summer high-temperature, compressor cylinder temperature is high, and now the high heat in regenerative apparatus does not recycle purposes, and regenerative apparatus utilization rate is reduced greatly.2) under low temperature condition, low-temperature heating capacity is the amount of type important consideration, if the waste thermal energy of the compressor of regenerative apparatus accumulation of heat can be filled in system, for improving low-temperature heating capacity, is the major issue that accumulation of heat field need to be considered.
Utility model content
The utility model object is to provide a kind of Air-conditioning Cycle device, to solve in prior art defrost process, needs to shut down on the larger technical problem of indoor temperature impact.
For achieving the above object, the utility model provides a kind of Air-conditioning Cycle device, comprises the compressor, cross valve, outdoor heat exchanger, restricting element and the indoor heat exchanger that are communicated with successively; The first interface of cross valve is connected with the port of export of compressor; The second interface of cross valve is connected with the first port of outdoor heat exchanger; The 3rd interface of cross valve is connected with the arrival end of compressor; The 4th interface of cross valve is connected with the first port of indoor heat exchanger; Regenerative apparatus, the first end of regenerative apparatus is communicated on the pipeline between the second port of outdoor heat exchanger and the second port of indoor heat exchanger by first node, and the second end of regenerative apparatus is communicated on the pipeline between the first port of indoor heat exchanger and the 4th interface of cross valve by Section Point; On the second end of regenerative apparatus and the pipeline between Section Point, be provided with the first magnetic valve; Between the second port of first node and indoor heat exchanger, the second magnetic valve is set.
Further, Air-conditioning Cycle device also comprises tonifying Qi branch road, one end of tonifying Qi branch road is connected with the secondary air compensating mouth of compressor, and the other end of tonifying Qi branch road is connected with the 3rd port of regenerative apparatus, between the 3rd end of regenerative apparatus and the secondary air compensating mouth of compressor, is provided with the 3rd magnetic valve.
Further, regenerative apparatus arranges or is connected by by-pass stack with the exhaust apparatus laminating of compressor.
Further, in regenerative apparatus, be provided with phase change heat storage material or sensible heat heat-storing material.
Further, throttling original paper is arranged on second port and the pipeline between first node of outdoor heat exchanger.
Further, on the first end of regenerative apparatus and the pipeline between first node, be provided with capillary.
Further, between the second port of outdoor heat exchanger and the second port of indoor heat exchanger, be provided with stop valve.
Further, between the 4th interface of cross valve and the first port of indoor heat exchanger, be provided with stop valve.
The utlity model has following beneficial effect:
The utility model makes heat pump type air conditioner when operation heats, can realize continuous heating to be stored in regenerative apparatus; During defrost, by the thermal release storing in regenerative apparatus, heating mode and the difference variation project organization that can not produce discontinuous are simple, make user feel comfortable, and project organization is simple, are easy to realize.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of Air-conditioning Cycle device of the present utility model;
Fig. 2 is that the system refrigerant during according to the refrigerating operaton of Air-conditioning Cycle device of the present utility model moves towards schematic diagram;
Fig. 3 is that the system refrigerant during according to the heating operation of Air-conditioning Cycle device of the present utility model moves towards schematic diagram;
Fig. 4 is that the refrigerant during according to the defrost of Air-conditioning Cycle device of the present utility model moves towards schematic diagram;
Fig. 5 is according to the schematic diagram of the Air-conditioning Cycle device that comprises two-stage enthalpy increasing air supply compressor of the present utility model;
Fig. 6 is according to increasing enthalpy operation schematic diagram under the high-temperature condition of the Air-conditioning Cycle device that comprises two-stage enthalpy increasing air supply compressor of the present utility model; And
Fig. 7 is according to secondary air compensating operation schematic diagram under the low temperature condition of the Air-conditioning Cycle device that comprises two-stage enthalpy increasing air supply compressor of the present utility model.
Reference numeral in accompanying drawing is as follows: 10, compressor; 20, indoor heat exchanger; 30, outdoor heat exchanger; 40, throttling original paper; 50, cross valve; 61, the first magnetic valve; 62, the second magnetic valve; 63, the 3rd magnetic valve; 70, capillary; 80, regenerative apparatus.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1 to Fig. 4, according to Air-conditioning Cycle device of the present utility model, comprising: the compressor 10, cross valve 50, outdoor heat exchanger 30, throttling original paper 40 and the indoor heat exchanger 20 that are communicated with successively; The first interface of cross valve 50 is connected with the port of export of compressor 10; The second interface of cross valve 50 is connected with the first port of outdoor heat exchanger 30; The 3rd interface of cross valve 50 is connected with the arrival end of compressor 10; The 4th interface of cross valve 50 is connected with the first port of indoor heat exchanger 20; Regenerative apparatus 80, the first end of regenerative apparatus 80 is communicated on the pipeline between the second port of outdoor heat exchanger 30 and the second port of indoor heat exchanger 20 by first node A, and the second end of regenerative apparatus 80 is communicated on the pipeline between the first port of indoor heat exchanger 20 and the 4th interface of cross valve 50 by Section Point B; On the second end of regenerative apparatus 80 and the pipeline between Section Point B, be provided with the first magnetic valve 61; Between first node A and the second port of indoor heat exchanger 20, the second magnetic valve 62 is set.
Referring to Fig. 1 to Fig. 4, the utility model Air-conditioning Cycle device, be specifically related to a kind of can continuous heating the Air-conditioning Cycle device of operation, comprise the compressor 10, cross valve 50, outdoor heat exchanger 30, restricting element 40, the second magnetic valve 62, stop valve, indoor heat exchanger 20, stop valve, the cross valve 50 that sequentially connect; Also comprise the regenerative apparatus 80 and the first magnetic valve 61 that are connected in parallel with indoor heat exchanger and the second magnetic valve 62; Certain between regenerative apparatus 80 one end and restricting element 40 and the second magnetic valve 62 is a bit as first node A is connected.The other one end of regenerative apparatus is connected with one end of the first magnetic valve 61, and other one end and the compressor air-discharging of the first magnetic valve 61 are connected in Section Point B; Air-conditioning system by control magnetic valve can be under heating condition can by the used heat of compressor, the form with phase change heat storage material latent heat be kept in regenerative apparatus 80 automatically, in the air-conditioning system Defrost operation stage, will automatically discharge its heat; Solved air-conditioning system indoor problem that can not heat in defrost process, made the heat pump type air conditioning system can continuous heating.
Referring to Fig. 1 to Fig. 4, the circulation theory figure that Fig. 1 is, figure bis-and the figure tri-in accompanying drawing is shown in relevant refrigeration mode, heating mode circulation.Filled arrows on figure represents that refrigerant arrow flows to.While moving above-mentioned two-mode, the first magnetic valve 61 is in closed condition, and the system of utility model is just simplified for common contrary Carnot cycle schematic diagram like this.This motion is quoted is that the exhaust gas heat of compressor 10 heats heat-storing material, so when normal operation heating mode, can control the first magnetic valve 61 and open heat-storing material is heated, closes this first magnetic valve 61 after completing heating.
Referring to Fig. 3, filled arrows is that heating mode refrigerant flows to; Hollow arrow is that accumulation of heat refrigerant flows to, and normally heats+heat-accumulating process; High-temperature gas refrigerant enters cross valve 50 from compressor 10 exhaust outlets out, under the guide effect of cross valve 50, enters indoor heat exchanger 20; High temperature refrigerant, carrying out forced-convection heat transfer, passes to room heat, promotes room temperature.Reduce temperature and obtain approaching saturated refrigerant through the second magnetic valve 62 of standard-sized sheet, enter and in restricting element 40, carry out throttling, the refrigerant that pressure and temperature further reduces enters outdoor heat exchanger, absorbs herein the thermal procession of heat, and the refrigerant of saturation state is got back to compressor subsequently.
Hollow arrow direction accumulation of heat part refrigerant flows to, and working portion refrigerant is shown in filled arrows.When normal heating operation is after a period of time, in order to give regenerative apparatus bypass exhaust heating heat-storing material, related device need move as follows:
Open the first magnetic valve 61, allow the exhaust bypass of high temperature enter regenerative apparatus branch road, the heat of high temperature refrigerant is absorbed heat by the heat-storing material in regenerative apparatus, refrigerant after being cooled converges at first node A with the refrigerant through indoor heat exchanger, and all refrigerants that converge flow into outer machine and complete whole circulation.
Referring to Fig. 4, carry out continuous heating+defrost process:
When continuing of heating carries out, outdoor heat exchanger 30 surface temperatures fall too low, will frosting on outdoor heat exchanger 30, affect the heat exchange efficiency of complete machine, and in order to improve effect, just must carry out defrost to complete machine.
Controller is to system defrost signal, and compressor 10 frequencies are reduced to fixed frequency, and cross valve 50 pressure at two ends reach after certain equilibrium, turns to cross valve 50 power down, makes to become refrigerating state.The second magnetic valve 62 is also in closed condition.Respective cycle is as follows:
The gaseous coolant of high temperature is after cross valve 50, with regard to directly entering outside, carry out defrost, refrigerant after defrost turns at first node A after restricting element 40 throttlings, flow in regenerative apparatus 80, because accumulation of heat during previously heating state has heat, so low temperature refrigerant absorbs heat herein, refrigerant undergoes phase transition heat absorption, self is originally heated into saturated gaseous coolant, subsequently along with refrigerator pipes flows back to compressor 10.In upper process, indoor heat exchanger 20 not lower refrigerant flows through evaporimeter, so now in order to improve indoor comfort degree, can open interior dynamo-electric heating tube additional heat, has so both met defrost demand and has guaranteed indoor comfort.
Referring to Fig. 5 to Fig. 7, Air-conditioning Cycle device also comprises tonifying Qi branch road, one end of tonifying Qi branch road is connected with the secondary air compensating mouth of compressor 10, the other end of tonifying Qi branch road is connected with the 3rd port of regenerative apparatus 80, between the 3rd end of regenerative apparatus 80 and the secondary air compensating mouth of compressor 10, is provided with the 3rd magnetic valve 63.By the single-stage compressor in replacement utility model one, it is Dual-level enthalpy adding compressor, the purposes of regenerative apparatus not only can meet and can realize continuous heating like this, also can in summer high temperature situation, for increasing enthalpy, use, can also the mode by secondary air compensating improve refrigerant circulation in low temperature condition, improve low-temperature heating capacity.
Be on existing heat pump type air corditioning system, to have additional bypass cock 06 and the coolant connecting tube 101 being connected with system, use double-stage compressor.
Referring to Fig. 5, whole circulation theory figure.When the 3rd magnetic valve 63 cuts out, the normal refrigeration mode that this circulation theory figure is corresponding; Heating mode; Heat accumulation of heat pattern; Continuous heating pattern is identical with endless form and the refrigerant flow direction in utility model one.
When the 3rd magnetic valve 63 is opened, can be divided into following two kinds of modes and realize in high-temperature refrigeration and low-temperature heating situation regenerative apparatus and store heat performance and increase enthalpy tonifying Qi effect.
Referring to Fig. 6, summer outdoor temperature high temperature, refrigeration mode when operation circulation and effect:
High-temperature gas refrigerant enters cross valve 50 from compressor 10 exhaust outlets out, under the guide effect of cross valve 50, enters outdoor heat exchanger 20, high temperature refrigerant is forced-convection heat transfer herein, heat is passed to outdoor, reduce temperature and obtain approaching saturated refrigerant through restricting element 40, refrigerant under (the 3rd magnetic valve 63 is opened rear) normal refrigerating operaton is after having gone out restricting element 40, understand the coolant distribution of some low temperature in regenerative apparatus 80, before entering regenerative apparatus 80, need to carry out further step-down to this part refrigerant, increase the follow-up degree of superheat and guarantee secondary suction pressure, the refrigerant that further reduces temperature absorbs heat in regenerative apparatus 80, self be heated to form saturated or oversaturated gas, the temperature of heat-storing material is reduced.The secondary air compensating that this portion gas is inhaled into compressor 10 increases enthalpy mouth.Complete the circulation of this part refrigerant.The setting of this mode can realize secondary and increase enthalpy, improves compressor cycle amount, reduces condensing pressure.High-temperature refrigeration amount is had to certain lifting impact.
Referring to Fig. 7, winter heating operation circulation and effect:
High-temperature gas refrigerant enters cross valve 50 from compressor 10 exhaust outlets out, under the guide effect of cross valve 50, enters indoor heat exchanger 20; High temperature refrigerant is forced-convection heat transfer herein, heat is passed to indoor, improved the temperature in room, approach saturated refrigerant through before entering throttling components and parts, (the 3rd magnetic valve 63 is opened rear) wherein a part of refrigerant flows in regenerative apparatus 80 under the throttling action of capillary 70, the refrigerant that reduces temperature absorbs heat in regenerative apparatus 80, self is heated to form saturated or oversaturated gas, and the secondary that this portion gas is inhaled into compressor increases culvert mouthful.Improve refrigerant circulation, improve low-temperature heating capacity.
Air-conditioning Cycle device can be realized in summer during running refrigerating by controlling magnetic valve, bypass part low pressure refrigerant is absorbed heat in regenerative apparatus 80, improve on the one hand compressor 10 internal circulating loads, can by this mode, reduce the internal high temperature of regenerative apparatus 80 under high-temperature condition on the one hand in addition, prevent the rotten potential problem that waits of heat-storing material long term high temperature.
Referring to Fig. 1 to Fig. 7, on the second port of outdoor heat exchanger 30 and the pipeline between first node A, be provided with throttling original paper 40.On pipeline between the first end of regenerative apparatus 80 and first node A, be provided with capillary 70.Between the second port of outdoor heat exchanger 30 and the second port of indoor heat exchanger 20, be provided with stop valve.Between the 4th interface of cross valve 50 and the first port of indoor heat exchanger 20, be provided with stop valve.Magnetic valve can use electric expansion valve to replace.
A control method for Air-conditioning Cycle device, in the course of the work, makes regenerative apparatus 80 absorb compressor 10 heats and store; By closing the first magnetic valve 61, close the defrost branch road parallel with indoor heat exchanger 20; In defrost process, close the second magnetic valve 62, make refrigerant by regenerative apparatus 80, take away the heat of storage; Open the first magnetic valve 61 refrigerant is absorbed after the heat of regenerative apparatus 80, by defrost branch road, carry out defrost.
In the course of the work, open the 3rd magnetic valve 63, by 80 pairs of compressors of regenerative apparatus 10, carry out tonifying Qi.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
The utility model makes heat pump type air conditioner when operation heats, can realize continuous heating to be stored in regenerative apparatus; During defrost, by the thermal release storing in regenerative apparatus, heating mode and the difference variation project organization that can not produce discontinuous are simple, make user feel comfortable, and project organization is simple, are easy to realize.This accumulation of heat form can be avoided the not foot point of compressor used heat form accumulation of heat.Increase the circulation theory of twin-stage air supply compressor, realized that the circulation under high temperature and low temperature different condition repeatedly utilizes to regenerative apparatus in existing accumulation of heat circulation, improved use field and the scope of existing regenerative apparatus.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an Air-conditioning Cycle device, is characterized in that, comprising:
The compressor (10), cross valve (50), outdoor heat exchanger (30), restricting element (40) and the indoor heat exchanger (20) that are communicated with successively;
The first interface of described cross valve (50) is connected with the port of export of described compressor (10);
The second interface of described cross valve (50) is connected with the first port of described outdoor heat exchanger (30);
The 3rd interface of described cross valve (50) is connected with the arrival end of described compressor (10);
The 4th interface of described cross valve (50) is connected with the first port of described indoor heat exchanger (20);
Regenerative apparatus (80), the first end of described regenerative apparatus (80) is communicated on the pipeline between the second port of described outdoor heat exchanger (30) and the second port of described indoor heat exchanger (20) by first node (A), and the second end of described regenerative apparatus (80) is communicated on the pipeline between the first port of described indoor heat exchanger (20) and the 4th interface of described cross valve (50) by Section Point (B);
On pipeline between the second end of described regenerative apparatus (80) and described Section Point (B), be provided with the first magnetic valve (61);
The second magnetic valve (62) is set between the second port of described first node (A) and described indoor heat exchanger (20).
2. Air-conditioning Cycle device according to claim 1, it is characterized in that, also comprise tonifying Qi branch road, one end of described tonifying Qi branch road is connected with the secondary air compensating mouth of described compressor (10), the other end of described tonifying Qi branch road is connected with the 3rd port of described regenerative apparatus (80), between the 3rd end of described regenerative apparatus (80) and the secondary air compensating mouth of described compressor (10), is provided with the 3rd magnetic valve (63).
3. Air-conditioning Cycle device according to claim 1 and 2, is characterized in that, described regenerative apparatus (80) arranges or is connected by by-pass stack with the exhaust apparatus laminating of described compressor (10).
4. Air-conditioning Cycle device according to claim 3, is characterized in that, is provided with phase change heat storage material or sensible heat heat-storing material in described regenerative apparatus (80).
5. Air-conditioning Cycle device according to claim 1, is characterized in that, described throttling original paper (40) is arranged on second port and the pipeline between described first node (A) of described outdoor heat exchanger (30).
6. Air-conditioning Cycle device according to claim 1 and 2, is characterized in that, on the pipeline between the first end of described regenerative apparatus (80) and first node (A), is provided with capillary (70).
7. Air-conditioning Cycle device according to claim 6, is characterized in that, between the second port of described outdoor heat exchanger (30) and the second port of indoor heat exchanger (20), is provided with stop valve.
8. Air-conditioning Cycle device according to claim 7, is characterized in that, between the 4th interface of described cross valve (50) and the first port of described indoor heat exchanger (20), is provided with stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670362.2U CN203518375U (en) | 2013-10-28 | 2013-10-28 | Air conditioner circulating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670362.2U CN203518375U (en) | 2013-10-28 | 2013-10-28 | Air conditioner circulating device |
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| CN203518375U true CN203518375U (en) | 2014-04-02 |
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| CN201320670362.2U Expired - Fee Related CN203518375U (en) | 2013-10-28 | 2013-10-28 | Air conditioner circulating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567074A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner circulating device and control method thereof |
| CN105180274A (en) * | 2015-08-26 | 2015-12-23 | 珠海格力电器股份有限公司 | Air conditioning system and adjusting method using same |
| CN108692485A (en) * | 2018-07-09 | 2018-10-23 | 中国科学院广州能源研究所 | The ultralow-temperature air energy heat pump unit of quickly defrosting |
| CN109307354A (en) * | 2018-09-17 | 2019-02-05 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN110500664A (en) * | 2019-08-14 | 2019-11-26 | 海信（山东）空调有限公司 | A kind of air-conditioner outdoor unit, air-conditioning and its control method and device |
| CN114484614A (en) * | 2022-01-11 | 2022-05-13 | 北京小米移动软件有限公司 | Indoor heat exchanger, air conditioner and defrosting control method |
-
2013
- 2013-10-28 CN CN201320670362.2U patent/CN203518375U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567074A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner circulating device and control method thereof |
| CN105180274A (en) * | 2015-08-26 | 2015-12-23 | 珠海格力电器股份有限公司 | Air conditioning system and adjusting method using same |
| CN108692485A (en) * | 2018-07-09 | 2018-10-23 | 中国科学院广州能源研究所 | The ultralow-temperature air energy heat pump unit of quickly defrosting |
| CN108692485B (en) * | 2018-07-09 | 2024-04-09 | 中国科学院广州能源研究所 | Ultralow-temperature air-source heat pump unit capable of quickly defrosting |
| CN109307354A (en) * | 2018-09-17 | 2019-02-05 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN109307354B (en) * | 2018-09-17 | 2023-08-08 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN110500664A (en) * | 2019-08-14 | 2019-11-26 | 海信（山东）空调有限公司 | A kind of air-conditioner outdoor unit, air-conditioning and its control method and device |
| CN110500664B (en) * | 2019-08-14 | 2021-02-23 | 海信（山东）空调有限公司 | Air conditioner outdoor unit, air conditioner and control method and device of air conditioner |
| CN114484614A (en) * | 2022-01-11 | 2022-05-13 | 北京小米移动软件有限公司 | Indoor heat exchanger, air conditioner and defrosting control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20211028 |