CN205783399U - Outdoor heat exchanger and air conditioner with same - Google Patents
Outdoor heat exchanger and air conditioner with same Download PDFInfo
- Publication number
- CN205783399U CN205783399U CN201620436553.6U CN201620436553U CN205783399U CN 205783399 U CN205783399 U CN 205783399U CN 201620436553 U CN201620436553 U CN 201620436553U CN 205783399 U CN205783399 U CN 205783399U
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- CN
- China
- Prior art keywords
- heat exchange
- heat exchanger
- exchange tubes
- exchange pipe
- controllable valve
- 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.)
- Expired - Fee Related
Links
- 238000010257 thawing Methods 0.000 abstract description 15
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract 2
- 239000002826 coolant Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 4
- 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
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification 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
- 239000003507 refrigerant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model provides an outdoor heat exchanger and have its 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; use the utility model discloses technical scheme's outdoor heat exchanger, through setting up first heat exchange pipe group, second heat exchange pipe group and branch liquid head, second heat exchange pipe group is located the below of first heat exchange pipe group, divide liquid head and first heat exchange pipe group intercommunication, divide the liquid head to pass through controllable valve and second heat exchange pipe group link, through controlling opening and closing of controllable valve and controlling second heat exchange pipe group, thereby realize selecting outdoor heat exchanger's different heat transfer positions under different mode, and then reach better defrosting effect.
Description
Technical field
This utility model relates to air-conditioning equipment field, in particular to a kind of outdoor heat exchanger and the air-conditioner with it.
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.
Utility model content
Main purpose of the present utility model is provide a kind of outdoor heat exchanger and have its air-conditioner, to solve in prior art
The technical problem that off-premises station defrosting effect is undesirable.
To achieve these goals, according to an aspect of the present utility model, it is provided that a kind of outdoor heat exchanger, including: first
Set of heat exchange tubes 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 first
Set of heat exchange tubes 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 second aspect of the present utility model, it is provided that a kind of air-conditioner, including: outdoor heat exchanger, outdoor heat exchanger is
The outdoor heat exchanger of foregoing.
According to the 3rd aspect of the present utility model, it is provided that the control method of a kind of air-conditioner, air-conditioner is the sky of foregoing
Adjusting device, 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
Gaseous coolant from the high pressure-temperature of the compressor of air-conditioner is carried out by the first set of heat exchange tubes and second set of heat exchange tubes of air-conditioner
Heat exchange;When heating mode, controller controls controllable valve and cuts out, and makes the low-temp low-pressure liquid of the indoor heat exchanger from air-conditioner
State coolant carries out heat exchange 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 solutions of the utility model, by arranging the first set of heat exchange tubes, the second set of heat exchange tubes and separatory
Head, the 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 is by controlled
Valve and the second set of heat exchange tubes connect, and are controlled the second set of heat exchange tubes by controlling the opening and closing of controllable valve, thus
Realize selecting the various heat exchange position of outdoor heat exchanger under different working modes, and then reach more preferable defrosting effect.
In addition to objects, features and advantages described above, this utility model also has other objects, features and advantages.
Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
The Figure of description constituting a part of the present utility model is further appreciated by of the present utility model for providing, and this practicality is new
The schematic description and description of type is used for explaining this utility model, is not intended that improper restriction of the present utility model.Attached
In figure:
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 this utility model and the feature in embodiment can be mutual
Combination.Describe this utility model 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 this utility model scheme, below in conjunction with in this utility model embodiment
Accompanying drawing, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment
It is only the embodiment of this utility model part rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, all should belong to this reality
By novel protected scope.
According to the outdoor heat exchanger of this utility model embodiment, as depicted in figs. 1 and 2, including: the first set of heat exchange tubes, second
Set of heat exchange tubes 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 heat exchange
Pipe group directly connects;Liquid-dividing head is connected with the second set of heat exchange tubes by controllable valve 20.
The outdoor heat exchanger of application technical solutions of the utility model, by arranging the first set of heat exchange tubes, the second set of heat exchange tubes and separatory
10, the 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, liquid-dividing head 10
It is connected with the second set of heat exchange tubes by controllable valve 20, by controlling the opening and closing of controllable valve 20 to the second set of heat exchange tubes
It is controlled, thus realizes selecting the various heat exchange position of outdoor heat exchanger under different working modes, and then reach preferably to remove
Frost 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 this utility model, it is provided that a kind of air-conditioner, this air-conditioner includes that the outdoor of above-described embodiment is changed
Hot device, uses the air-conditioner of the outdoor heat exchanger of above-described embodiment can effectively reduce the heat exchange of outdoor heat exchanger bottom when heating
Pipe frosting such that it is able to reach preferable defrosting effect.
According to the 3rd embodiment of the present utility model, it is provided that the control method of a kind of air-conditioner, this air-conditioner is above-mentioned enforcement
The air-conditioner of example, 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 preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (7)
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620436553.6U CN205783399U (en) | 2016-05-13 | 2016-05-13 | Outdoor heat exchanger and air conditioner with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620436553.6U CN205783399U (en) | 2016-05-13 | 2016-05-13 | Outdoor heat exchanger and air conditioner with same |
Publications (1)
Publication Number | Publication Date |
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CN205783399U true CN205783399U (en) | 2016-12-07 |
Family
ID=57409715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620436553.6U Expired - Fee Related CN205783399U (en) | 2016-05-13 | 2016-05-13 | Outdoor heat exchanger and air conditioner with same |
Country Status (1)
Country | Link |
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CN (1) | CN205783399U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106016499A (en) * | 2016-05-13 | 2016-10-12 | 珠海格力电器股份有限公司 | Outdoor heat exchanger, air conditioner with outdoor heat exchanger and control method of air conditioner |
-
2016
- 2016-05-13 CN CN201620436553.6U patent/CN205783399U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106016499A (en) * | 2016-05-13 | 2016-10-12 | 珠海格力电器股份有限公司 | Outdoor heat exchanger, air conditioner with outdoor heat exchanger and control method of air conditioner |
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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: 20161207 |