CN106016499A - Outdoor heat exchanger, air conditioner with outdoor heat exchanger and control method of air conditioner - Google Patents
Outdoor heat exchanger, air conditioner with outdoor heat exchanger and control method of air conditioner Download PDFInfo
- Publication number
- CN106016499A CN106016499A CN201610323346.4A CN201610323346A CN106016499A CN 106016499 A CN106016499 A CN 106016499A CN 201610323346 A CN201610323346 A CN 201610323346A CN 106016499 A CN106016499 A CN 106016499A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- heat exchanger
- exchange tubes
- air
- conditioner
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010257 thawing Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000002826 coolant Substances 0.000 claims description 16
- 238000004378 air conditioning Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract 5
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention provides an outdoor heat exchanger, an air conditioner with the outdoor heat exchanger and a control method of the air conditioner. This outdoor heat exchanger includes: the heat exchanger comprises a first heat exchange pipe set and a second heat exchange pipe set, wherein the second heat exchange pipe set is positioned below the first heat exchange pipe set; the liquid separation head is communicated with the first heat exchange tube group; the liquid separation head is connected with the second heat exchange tube group through the controllable valve; according to the outdoor heat exchanger adopting the technical scheme, the first heat exchange pipe group, the second heat exchange pipe group and the liquid separation head are arranged, the second heat exchange pipe group is positioned below the first heat exchange pipe group, the liquid separation head is communicated with the first heat exchange pipe group, the liquid separation head is connected with the second heat exchange pipe group through the controllable valve, and the second heat exchange pipe group is controlled by controlling the opening and closing of the controllable valve, so that different heat exchange positions of the outdoor heat exchanger are selected under different working modes, and a better defrosting effect is achieved.
Description
Technical field
The present invention relates to air-conditioning equipment field, in particular to a kind of outdoor heat exchanger and air-conditioner and the air-conditioner with it
Control method.
Background technology
Air-conditioning equipment is time especially multi-connected air conditioning system heats in the winter time, on the U-tube of outdoor heat exchanger all can frosting, especially
It is that frosting is the most serious when outdoor low temperature and high humidity.Off-premises station frosting can cause inner air flow resistance to increase, increase and change
Thermal resistance is so that off-premises station exchange capability of heat declines.In order to ensure the Effec-tive Function of air-conditioning, general air-conditioning is after a certain time of operation
Can defrost automatically into defrosting mode, during defrosting, the water of thawing flows to the chassis of off-premises station along the outer wall of U-tube,
Flow away from osculum again, in the process, be positioned on the U-tube of off-premises station bottom because for a long time have water thus Guan Wen the most very
Low, defrosting effect is undesirable, defrosting is the cleanest.
For the technical problem that off-premises station defrosting effect of the prior art is undesirable, effective solution is the most not yet proposed.
Summary of the invention
A kind of outdoor heat exchanger of offer is provided and there is its air-conditioner and the control method of air-conditioner, with
Solve the technical problem that in prior art, off-premises station defrosting effect is undesirable.
To achieve these goals, according to an aspect of the invention, it is provided a kind of outdoor heat exchanger, including: the first heat exchange
Pipe group and the second set of heat exchange tubes, wherein, the second set of heat exchange tubes is positioned at the lower section of the first set of heat exchange tubes；Liquid-dividing head, with the first heat exchange
Pipe group connects；Controllable valve, liquid-dividing head is connected by controllable valve and the second set of heat exchange tubes.
Further, the first set of heat exchange tubes includes many heat exchanger tubes.
Further, the second set of heat exchange tubes includes many heat exchanger tubes.
Further, heat exchanger tube is U-shaped heat exchanger tube.
Further, the liquid-dividing head many heat exchanger tubes by controllable valve and the second set of heat exchange tubes are positioned at a heat exchange of bottom
Pipe connects.
Further, controllable valve is electromagnetic valve.
According to the second aspect of the invention, it is provided that a kind of air-conditioner, including: outdoor heat exchanger, outdoor heat exchanger is above-mentioned
The outdoor heat exchanger of content.
According to the third aspect of the present invention, it is provided that the control method of a kind of air-conditioner, air-conditioner is the air-conditioner of foregoing,
Control method includes: when refrigeration mode, and the controllable valve of the controller control room external heat exchanger of air-conditioner is opened, and makes from sky
The gaseous coolant adjusting the high pressure-temperature of the compressor of device carries out heat exchange by the first set of heat exchange tubes and second set of heat exchange tubes of air-conditioner；
When heating mode, controller controls controllable valve and cuts out, and makes the low-temp low-pressure liquid refrigerants of the indoor heat exchanger from air-conditioner
Heat exchange is carried out by the first set of heat exchange tubes of air-conditioner.
Further, control method also includes: when defrosting mode, and controller controls controllable valve and opens, and makes from compressor
The gaseous coolant of high pressure-temperature defrosted by the first set of heat exchange tubes and the second set of heat exchange tubes.
The outdoor heat exchanger of application technical solution of the present invention, by arranging the first set of heat exchange tubes, the second set of heat exchange tubes and liquid-dividing head,
Second set of heat exchange tubes is positioned at the lower section of the first set of heat exchange tubes, liquid-dividing head and the connection of the first set of heat exchange tubes, and liquid-dividing head passes through controllable valve
It is connected with the second set of heat exchange tubes, by controlling the opening and closing of controllable valve, the second set of heat exchange tubes is controlled, thus realizes
Under different working modes, select the various heat exchange position of outdoor heat exchanger, and then reach more preferable defrosting effect.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below
Will be with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The Figure of description of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is optional outdoor heat exchanger attachment structure schematic diagram within air-conditioning systems according to embodiments of the present invention；
Fig. 2 is optional outdoor heat exchanger structural representation according to embodiments of the present invention；And
Fig. 3 is optional outdoor heat exchanger control structure block diagram according to embodiments of the present invention.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, liquid-dividing head；20, controllable valve；30, controller；40, compressor；50, cross valve.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only the present invention
The embodiment of a part rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, all should belong to the scope of protection of the invention.
Outdoor heat exchanger according to embodiments of the present invention, as depicted in figs. 1 and 2, including: the first set of heat exchange tubes, the second heat exchange
Pipe group and liquid-dividing head 10, wherein, the second set of heat exchange tubes is positioned at the lower section of the first set of heat exchange tubes；Liquid-dividing head 10 and the first set of heat exchange tubes
Directly connection；Liquid-dividing head 10 is connected with the second set of heat exchange tubes by controllable valve 20.
The outdoor heat exchanger of application technical solution of the present invention, by arranging the first set of heat exchange tubes, the second set of heat exchange tubes and liquid-dividing head 10,
Second set of heat exchange tubes is positioned at the lower section of the first set of heat exchange tubes, and liquid-dividing head 10 connects with the first set of heat exchange tubes, and liquid-dividing head 10 passes through can
Control valve 20 is connected with the second set of heat exchange tubes, controls the second set of heat exchange tubes by controlling the opening and closing of controllable valve 20
System, thus realize selecting the various heat exchange position of outdoor heat exchanger under different working modes, and then reach more preferable defrosting effect.
When being embodied as, the first set of heat exchange tubes and the second set of heat exchange tubes include many heat exchanger tubes respectively, and alternatively, heat exchanger tube is U
Shape heat exchanger tube, controllable valve 20 is electromagnetic valve, and the heat exchanger tube in the first set of heat exchange tubes is respectively by connecting tube with liquid-dividing head 10 even
Connecing, the heat exchanger tube in the second set of heat exchange tubes is connected with liquid-dividing head by controllable valve 20 respectively.Owing to the second set of heat exchange tubes being positioned at
A piece heat exchanger tube surface of foot has water to cover always, and temperature is minimum, therefore, alternatively, only by position in the second set of heat exchange tubes
A heat exchanger tube in bottom is connected with liquid-dividing head 10 by controllable valve 20.As it is shown in figure 1, liquid-dividing head 10 passes through four-way
Valve 50 is connected with the compressor 40 of air-conditioner.As it is shown on figure 3, controllable valve 20 is connected with the controller 30 of air-conditioner, connect
The control of controlled device 30, in process of refrigerastion, controllable valve 20 is opened, the equal energy of all heat exchanger tubes in the second set of heat exchange tubes
Normal through coolant, the first set of heat exchange tubes and the second set of heat exchange tubes normally work, thus the refrigeration of air-conditioning is not resulted in impact.
In heating operations, too low due to temperature in order to avoid the heat exchanger tube in the second set of heat exchange tubes, easy frosting, and difficult after frosting
With defrosting, therefore, in heating operations, controllable valve 20 is closed, and passes through without coolant in the heat exchanger tube in the second set of heat exchange tubes,
So that the temperature of the second set of heat exchange tubes is unlikely to too low, avoid frosting as far as possible.During defrosting, controllable valve 20 is opened,
All heat exchanger tubes in second set of heat exchange tubes all can be normal through coolant, and the high pressure gaseous coolant from compressor 40 passes through institute
Some heat exchanger tubes pair, heat exchanger tube defrosts, owing to the heat exchanger tube in the second set of heat exchange tubes is less substantially without frosting or frosting,
Can be fully erased by the frosting in the second set of heat exchange tubes by high pressure gaseous coolant.
According to second embodiment of the invention, it is provided that a kind of air-conditioner, this air-conditioner includes the outdoor heat exchanger of above-described embodiment,
The air-conditioner using the outdoor heat exchanger of above-described embodiment can effectively reduce the heat exchanger tube knot of outdoor heat exchanger bottom when heating
Frost such that it is able to reach preferable defrosting effect.
The 3rd embodiment according to the present invention, it is provided that the control method of a kind of air-conditioner, this air-conditioner is above-described embodiment
Air-conditioner, this control method includes herein below:
When refrigeration mode, the controllable valve 20 of the controller 30 control room external heat exchanger of air-conditioner is opened, and makes from air-conditioner
The gaseous coolant of high pressure-temperature of compressor 40 carry out heat exchange by the first set of heat exchange tubes and second set of heat exchange tubes of air-conditioner；
When heating mode, controller 30 controls controllable valve 20 and cuts out, and the low temperature making the indoor heat exchanger from air-conditioner is low
Pressure liquid refrigerants carries out heat exchange by the first set of heat exchange tubes of air-conditioner.
In process of refrigerastion, controllable valve 20 is opened, all heat exchanger tubes in the second set of heat exchange tubes all can normal through coolant,
One set of heat exchange tubes and the second set of heat exchange tubes normally work, thus the refrigeration of air-conditioning is not resulted in impact.In heating operations, for
Avoid heat exchanger tube in the second set of heat exchange tubes too low due to temperature, easy frosting, and be difficult to defrost after frosting, therefore,
In heating operations, controllable valve 20 is closed, and passes through without coolant in the heat exchanger tube in the second set of heat exchange tubes, so that the second heat exchanger tube
The temperature of group is unlikely to too low, avoids frosting as far as possible.
Further, this control method includes herein below: when defrosting mode, and controller 30 controls controllable valve 20 and opens,
The gaseous coolant making the high pressure-temperature from compressor 40 is defrosted by the first set of heat exchange tubes and the second set of heat exchange tubes.In defrosting
During, controllable valve 20 is opened, and all heat exchanger tubes in the second set of heat exchange tubes all can be normal through coolant, from compressor 40
High pressure gaseous coolant by all of heat exchanger tube pair, heat exchanger tube defrosts, due to the heat exchanger tube in the second set of heat exchange tubes
Frosting relatively basic will not frosting or frosting less, can be complete by the frosting in the second set of heat exchange tubes by high pressure gaseous coolant
Clear all.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. an outdoor heat exchanger, it is characterised in that including:
First set of heat exchange tubes and the second set of heat exchange tubes, wherein, described second set of heat exchange tubes is positioned at described first set of heat exchange tubes
Lower section；
Liquid-dividing head (10), connects with described first set of heat exchange tubes；
Controllable valve (20), described liquid-dividing head is connected with described second set of heat exchange tubes by described controllable valve (20).
Outdoor heat exchanger the most according to claim 1, it is characterised in that described first set of heat exchange tubes includes many heat exchanger tubes.
Outdoor heat exchanger the most according to claim 1, it is characterised in that described second set of heat exchange tubes includes many heat exchanger tubes.
4. according to the outdoor heat exchanger described in Claims 2 or 3, it is characterised in that described heat exchanger tube is U-shaped heat exchanger tube.
Outdoor heat exchanger the most according to claim 3, it is characterised in that described liquid-dividing head (10) passes through described controllable valve
(20) it is connected with the described heat exchanger tube being positioned at bottom in many described heat exchanger tubes of described second set of heat exchange tubes.
Outdoor heat exchanger the most according to claim 1, it is characterised in that described controllable valve is electromagnetic valve.
7. an air-conditioner, including: outdoor heat exchanger, it is characterised in that described outdoor heat exchanger is to appoint in claim 1 to 6
One described outdoor heat exchanger.
8. the control method of an air-conditioner, it is characterised in that described air-conditioner is the air-conditioner described in claim 7, described control
Method processed includes:
When refrigeration mode, the controller (30) of described air-conditioner controls the controllable valve (20) of described outdoor heat exchanger
Open, make the gaseous coolant of the high pressure-temperature of the compressor (40) from described air-conditioner pass through the first of described air-conditioner
Set of heat exchange tubes and described second set of heat exchange tubes carry out heat exchange；
When heating mode, described controller (30) controls described controllable valve (20) and cuts out, and makes from described air-conditioning
The low-temp low-pressure liquid refrigerants of the indoor heat exchanger of device carries out heat exchange by the first set of heat exchange tubes of described air-conditioner.
Control method the most according to claim 8, it is characterised in that described control method also includes:
When defrosting mode, described controller (30) controls described controllable valve (20) and opens, and makes from described compression
The gaseous coolant of the high pressure-temperature of machine (40) is defrosted by described first set of heat exchange tubes and described second set of heat exchange tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323346.4A CN106016499A (en) | 2016-05-13 | 2016-05-13 | Outdoor heat exchanger, air conditioner with outdoor heat exchanger and control method of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323346.4A CN106016499A (en) | 2016-05-13 | 2016-05-13 | Outdoor heat exchanger, air conditioner with outdoor heat exchanger and control method of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106016499A true CN106016499A (en) | 2016-10-12 |
Family
ID=57097280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610323346.4A Pending CN106016499A (en) | 2016-05-13 | 2016-05-13 | Outdoor heat exchanger, air conditioner with outdoor heat exchanger and control method of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106016499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539477A (en) * | 2018-10-31 | 2019-03-29 | 青岛海尔空调电子有限公司 | Multi-online air-conditioning system and its defrosting control method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871675A (en) * | 2009-04-24 | 2010-10-27 | 日立空调·家用电器株式会社 | Air conditioner |
| CN203478750U (en) * | 2013-09-12 | 2014-03-12 | 海信（山东）空调有限公司 | Refrigerating system with defrosting function and air conditioner |
| CN203907965U (en) * | 2014-04-30 | 2014-10-29 | 广东美的集团芜湖制冷设备有限公司 | An air-conditioner heat exchange system |
| CN104879945A (en) * | 2015-06-26 | 2015-09-02 | 珠海格力电器股份有限公司 | Air conditioning system and heat pump unit |
| CN204830612U (en) * | 2015-06-24 | 2015-12-02 | 广东芬尼克兹节能设备有限公司 | Prevent heat pump system that heat exchanger bottom freezes, frosts |
| CN204987281U (en) * | 2015-09-09 | 2016-01-20 | 广东美的暖通设备有限公司 | Many on line systems and outdoor heat exchanger and off -premises station thereof |
| CN204987564U (en) * | 2015-07-17 | 2016-01-20 | 珠海格力电器股份有限公司 | Heat exchanger assembly and heat pump unit |
| CN205783399U (en) * | 2016-05-13 | 2016-12-07 | 珠海格力电器股份有限公司 | Outdoor heat exchanger and air conditioner with same |
-
2016
- 2016-05-13 CN CN201610323346.4A patent/CN106016499A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871675A (en) * | 2009-04-24 | 2010-10-27 | 日立空调·家用电器株式会社 | Air conditioner |
| CN203478750U (en) * | 2013-09-12 | 2014-03-12 | 海信（山东）空调有限公司 | Refrigerating system with defrosting function and air conditioner |
| CN203907965U (en) * | 2014-04-30 | 2014-10-29 | 广东美的集团芜湖制冷设备有限公司 | An air-conditioner heat exchange system |
| CN204830612U (en) * | 2015-06-24 | 2015-12-02 | 广东芬尼克兹节能设备有限公司 | Prevent heat pump system that heat exchanger bottom freezes, frosts |
| CN104879945A (en) * | 2015-06-26 | 2015-09-02 | 珠海格力电器股份有限公司 | Air conditioning system and heat pump unit |
| CN204987564U (en) * | 2015-07-17 | 2016-01-20 | 珠海格力电器股份有限公司 | Heat exchanger assembly and heat pump unit |
| CN204987281U (en) * | 2015-09-09 | 2016-01-20 | 广东美的暖通设备有限公司 | Many on line systems and outdoor heat exchanger and off -premises station thereof |
| CN205783399U (en) * | 2016-05-13 | 2016-12-07 | 珠海格力电器股份有限公司 | Outdoor heat exchanger and air conditioner with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539477A (en) * | 2018-10-31 | 2019-03-29 | 青岛海尔空调电子有限公司 | Multi-online air-conditioning system and its defrosting control method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |