CN1773186A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN1773186A CN1773186A CNA2005100564414A CN200510056441A CN1773186A CN 1773186 A CN1773186 A CN 1773186A CN A2005100564414 A CNA2005100564414 A CN A2005100564414A CN 200510056441 A CN200510056441 A CN 200510056441A CN 1773186 A CN1773186 A CN 1773186A
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- CN
- China
- Prior art keywords
- heat exchanger
- passage
- channel
- refrigerator pipes
- cold
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- 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.)
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a heat exchanger characterized in that the refrigeration pipe structure comprises a plurality of parallel fins, U-shaped refrigeration pipe running through the pins, a plurality of connecting pipes connecting adjacent refrigeration pipe terminal. Furthermore, a plurality of independent channels formed by refrigeration pipe and connecting pipe is taking the center part of the heat exchanger as axes and is set to even number and is upper-and-lower symmetrical. The inlet and outlet are formed at the close channel. Therefore, the invention may reduce the pressure reduction of the heat exchanger during heating operation and keep the equilibrium among respective channel to improve the heat exchanger performance and facilitate to form the distributor for separating each channel and the collector collecting each channel.
Description
Technical field
The present invention relates to a kind of heat exchanger of air conditioner, relate in particular to the channel design of heat exchanger.
Background technology
Usually the air conditioner that is formed by indoor set 20 and off-premises station 10 is when refrigerating operaton (A direction), as shown in Figure 1, cools off condensing in outdoor heat converter 14 and carries out heat exchange with outdoor air from the high-temperature high-pressure refrigerant gas of compressor discharge.
That is, the high-pressure refrigerant of liquefaction flows into expansion valve 16, and the high-pressure refrigerant of inflow expansion valve 16 becomes low pressure refrigerant and inflow indoor heat exchanger 18 at expansion valve 16.By utilizing the heat exchange action of the indoor air of cold-producing medium evaporative cooling, make it become gas refrigerant at indoor heat converter 18, gas refrigerant flow into the cold-producing medium of boil down to HTHP in the compressor 12 again, carries out the cold-producing medium circulation repeatedly with this.
In contrast, air conditioner reversely carries out the circulation of above-mentioned cold-producing medium when heating operation (B direction), and heats the heat exchange action of room air at indoor heat converter 18.
As shown in Figure 2, existing heat exchanger 118 is combined by overhead heat exchanger 118a and lower heat exchanger 118b and forms.Overhead heat exchanger 118a and lower heat exchanger 118b are provided with side by side by the tabular a plurality of fins 121 with certain area, and each fin connects a plurality of U type refrigerator pipes 122 makes each fin close mutually.The end of each refrigerator pipes 122 is connected by the tube connector 123 that part is the U type.
Overhead heat exchanger 118a and lower heat exchanger 118b, each forms 2 row with vertical direction, forms 24 sections with horizontal direction.Overhead heat exchanger 118a has 3 autonomous channel 122a, 122b, the 122c that is divided into 3 streams, and lower heat exchanger 118b has 3 independently passage 122d, 122e, 122f too.Formed 3 streams of overhead heat exchanger 118a and lower heat exchanger 118b all have the structure that flows out cold-producing medium by the left upper end inflow cold-producing medium of heat exchanger 118 from bottom righthand side.
But, this existing heat exchanger, because overhead heat exchanger and lower heat exchanger connect together, the also corresponding trend that diminishes of heat exchanger size when the size that therefore can not satisfy off-premises station diminishes.
In addition because this heat exchanger forms by 3 channel designs, when the path length of each passage, indoor heating operation the decline of pressure big, so cold-producing medium vaporization and reduction heat exchanger effectiveness easily.
Have, the form of all passages can not be consistent because odd chanel is respectively arranged, so can not keep in balance between each passage again.
And, refrigerant inlet 123a, the 123b of each passage, 123c are separated by at a certain distance, therefore refrigerant outlet 133a, the 13b of each passage, 133c also are separated by at a certain distance, and forming the distributor that is separated into the autonomous channel and compiling is the gatherer difficulty relatively of a passage.
Summary of the invention
The present invention is in order to solve aforesaid problem, and the pressure of heat exchanger descended when its purpose was to reduce heating operation.
Another object of the present invention is to remove that each is interchannel unbalanced and keep the equilibrium of passage, to improve the performance of heat exchanger.
Another object of the present invention is to reduce the distance between each passage refrigerant inlet, and being convenient to form the distributor that is separated into the autonomous channel and compiling is the gatherer of a passage
Heat exchanger provided by the present invention in order to achieve the above object is characterized in that: have a plurality of fins, a plurality of U-shaped refrigerator pipes that connect described fin that are set up in parallel, a plurality of tube connectors that connect adjacent refrigerator pipes end; And described refrigerator pipes and tube connector combine and a plurality of autonomous channels of forming are that a top and the bottom symmetry is made as even numbers with the central part of heat exchanger.
Have, described heat exchanger is characterized in that again: described heat exchanger has 2 row of above-below direction, 24 sections of left and right directions.
Have, described heat exchanger is characterised in that again: described heat exchanger has 4 independently passages, and each autonomous channel is for being made up of 6 refrigerator pipes and 5 tube connectors respectively.
Have again, described heat exchanger is characterised in that: described heat exchanger forms first passage, second channel, third channel, four-way respectively by its top, and formation flows into the inflow entrance of cold-producing medium and the flow export of outflow cold-producing medium on each passage, and the inflow entrance of first passage and second channel and flow export are adjacent respectively, and the inflow entrance of third channel and four-way and flow export are adjacent respectively.
Have, described heat exchanger is characterised in that again: the inflow entrance of each passage directly connects the distributor that makes each passage of refrigerant flow direction, and the flow export of each passage directly connects the gatherer of the cold-producing medium that compiles each passage.
Have, heat exchanger provided by the present invention is characterized in that again: have a plurality of fins, a plurality of U-shaped refrigerator pipes that connect described fin that are set up in parallel, a plurality of tube connectors that connect adjacent refrigerator pipes end; And described refrigerator pipes and tube connector combine and form a plurality of independently passages, and the length that described a plurality of passage is each passage is identical, to be used to keep the equilibrium of passage.
Have, described heat exchanger is characterised in that again: described heat exchanger has 2 row, 24 sections of left and right directions of above-below direction, and forms 4 independently passages on the described heat exchanger.
Have, described heat exchanger is characterised in that again: on the described heat exchanger refrigerator pipes is set, and only to described column direction setting.
Have, described heat exchanger is characterised in that again: first row that each passage comprised only are connected by a tube connector with secondary series.
Have, described heat exchanger is characterised in that again: each passage for along first row that form the cold-producing medium inflow entrance, through behind the described tube connector that connection described first row and secondary series refrigerator pipes, change its direction of advance and be connected to form a passage along the described secondary series that forms the cold-producing medium flow export and with described flow export.
Description of drawings
Fig. 1 is the generalized schematic of common air conditioner system;
Fig. 2 is existing heat exchanger side figure;
Fig. 3 is according to heat exchanger provided by the present invention side figure.
The specific embodiment
To most preferred embodiment provided by the present invention, described in detail below with reference to accompanying drawing 3.
As shown in Figure 3, by the heat exchanger 14 that the embodiment of the invention provided, have the described fin 22 of a plurality of fins 22, lateral direction penetrating that is set up in parallel along plate face direction and a plurality of U type refrigerator pipes 24 of arranging at certain intervals, connect a plurality of U type tube connectors 26 of a pair of adjacent refrigerator pipes 24.
First row respectively have 4 cold-producing medium inflow entrance 30a, 30b, 30c, 30d, and secondary series respectively has 4 cold-producing medium flow export 40a, 40b, 40c, 40d.Cold-producing medium input pipe 35 connects to the distributor 45 of each channel allocation cold-producing medium and cold-producing medium inflow entrance 30a, 30b, 30c, 30d, and cold-producing medium efferent duct 37 connects and compiles branch to the gatherer 46 of the cold-producing medium of each passage and cold-producing medium flow export 40a, 40b, 40c, 40d.
4 independently passage 28a, 28b, 28c, 28d are formed by 6 refrigerator pipes and 5 tube connectors respectively.Each is refrigerator pipes 24 and tube connector 26 with same quantity of passage 28a, 28b, 28c, 28d independently, therefore 4 independently the path of passage 28a, 28b, 28c, 28d is identical, therefore the pressure that descends is identical, can keep interchannel equilibrium.
24 directions (above-below direction) by row of 6 refrigerator pipes that form each passage are provided with, form the direction (above-below direction) that 4 tube connectors in 5 tube connectors of each passage are located at row and connect refrigerator pipes, have only the tube connector section of a being located at direction (left and right directions), connect first row and the secondary series of each passage.
Flow into the cold-producing medium of first passage 28a, flow into and advance from the inflow entrance 30a that is formed at 6 sections of row along the top of a row A, and change directions to two row B by a tube connector 26 that connects one section of one section of row and 2 row, advance and from being formed at the flow export 40a outflow of 6 sections of two row to the bottom again at two row B.
Flow into the cold-producing medium of second channel 28b, flow into by the inflow entrance 30b that is formed at 7 sections of row, advance to the bottom along a row A, change directions to two row B, advance and from being formed at the flow export 40b outflow of 7 sections of two row to top from two row B again by a tube connector that connects 12 sections of 12 sections of row and two row.
Form each passage thus, make the cold-producing medium inflow entrance 30b of the cold-producing medium inflow entrance 30a of first passage and second channel adjacent, the cold-producing medium flow export 40b of the cold-producing medium flow export 40a of first passage and second channel is also adjacent.Equally, the cold-producing medium flow export 40d of the cold-producing medium flow export 40c of adjacent, the third channel of the cold-producing medium inflow entrance 30d of third channel cold-producing medium inflow entrance 30c and four-way and four-way is also adjacent.
Because two pairs of cold-producing medium inflow entrances are adjacent respectively with the cold-producing medium flow export, so cold-producing medium inflow entrance 30a, 30b, 30c, 30d and cold-producing medium flow export 40a, 40b, 40c, 40d can be concentrated on a place, can reduce the size of distributor 45 and gatherer 46 or the length of cold-producing medium input pipe 35 and cold-producing medium efferent duct 37.
As mentioned above, compare with existing 24 sections 3 channel designs of 2 row, the structure of 24 sections 4 passages of 2 row can reduce by a path that passage had.Reduce the pressure that cold-producing medium is reduced owing to friction thus when refrigerator pipes flows.
Have, because each passage has the refrigerator pipes 24 and the tube connector 26 of same quantity, so the length of each passage is identical, the pressure that cold-producing medium descends when flowing through each passage is also identical again.Thus, prevent the decline of the interchannel unbalanced heat exchanger performance of bringing.
Have, the cold-producing medium flow export 40b of the cold-producing medium flow export 40a of adjacent, the first passage of the cold-producing medium inflow entrance 30b of the cold-producing medium inflow entrance 30a of first passage and second channel and second channel is adjacent when forming each passage again.Equally, the cold-producing medium flow export 40d of the cold-producing medium flow export 40c of adjacent, the third channel of the cold-producing medium inflow entrance 30d of third channel cold-producing medium inflow entrance 30c and four-way and four-way is also adjacent.So cold-producing medium inflow entrance 30a, 30b, 30c, 30d and cold-producing medium flow export 40a, 40b, 40c, 40d can be concentrated on a place, can reduce the size of distributor 45 and gatherer 46 or the length of cold-producing medium input pipe 35 and cold-producing medium efferent duct 37.
More than most preferred embodiment of the present invention is illustrated.The present invention is not limited to the structure of described 4 passages of the foregoing description, and the central part that also goes for heat exchanger is the heat exchanger that 6 passages of a top and the bottom symmetry, 8 passages etc. have even-numbered channels.
According to heat exchanger of the present invention, the pressure of heat exchanger descends in the time of can reducing heating operation, and keeps each interchannel equilibrium, prevents because the decline of the unbalanced heat exchanger performance of bringing of passage.And because reduced the cold-producing medium inflow entrance of each passage and the distance between the cold-producing medium flow export, institute is so that form the distributor of each passage of separation and the gatherer of collection channel.
Claims (10)
1. heat exchanger is characterized in that:
Have a plurality of fins, a plurality of U-shaped refrigerator pipes that connect described fin that are set up in parallel, a plurality of tube connectors that connect adjacent refrigerator pipes end; And,
Described refrigerator pipes and tube connector combine and a plurality of autonomous channels of forming are that a top and the bottom symmetry is made as even numbers with the central part of heat exchanger.
2. heat exchanger according to claim 1 is characterized in that described heat exchanger has 2 row of above-below direction, 24 sections of left and right directions.
3. heat exchanger according to claim 2 it is characterized in that described heat exchanger has 4 independently passages, and each autonomous channel is for being made up of 6 refrigerator pipes and 5 tube connectors respectively.
4. heat exchanger according to claim 3, it is characterized in that forming first passage, second channel, third channel, four-way respectively by its top, and each passage forms the inflow entrance that flows into cold-producing medium and flows out the cold-producing medium flow export, and the inflow entrance of first passage and second channel is adjacent respectively with flow export, the inflow entrance of third channel and four-way is adjacent with the flow export difference.
5. heat exchanger according to claim 4 it is characterized in that the inflow entrance of each passage directly connects the distributor that makes each passage of refrigerant flow direction, and the flow export of each passage directly connects the gatherer that compiles each passage cold-producing medium.
6. heat exchanger is characterized in that:
Have a plurality of fins, a plurality of U-shaped refrigerator pipes that connect described fin that are set up in parallel, a plurality of tube connectors that connect adjacent refrigerator pipes end; And,
Described refrigerator pipes and tube connector combine and form a plurality of independently passages, and the length that described a plurality of passage is each passage is identical, to be used to keep the equilibrium of passage.
7. heat exchanger according to claim 6 is characterized in that described heat exchanger has 24 sections of 2 row of above-below direction, left and right directions, and forms 4 independently passages on the described heat exchanger.
8. heat exchanger according to claim 7 is characterized in that on the described heat exchanger refrigerator pipes being set, and only to described column direction setting.
9. heat exchanger according to claim 8 is characterized in that first row that each passage comprises only are connected by a tube connector with secondary series.
10. according to the described heat exchanger of claim 9, it is characterized in that each passage for along first row that form refrigerant inlet, through behind the described tube connector that connection described first row and secondary series refrigerator pipes, change its direction of advance and be connected along the described secondary series that forms refrigerant outlet and with described outlet and form a passage.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040091833A KR20060044044A (en) | 2004-11-11 | 2004-11-11 | Heat exchanger |
| KR91833/04 | 2004-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1773186A true CN1773186A (en) | 2006-05-17 |
Family
ID=36760269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100564414A Pending CN1773186A (en) | 2004-11-11 | 2005-03-23 | Heat exchanger |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20060044044A (en) |
| CN (1) | CN1773186A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375943A (en) * | 2012-04-27 | 2013-10-30 | 珠海格力电器股份有限公司 | Evaporator |
| CN103486771A (en) * | 2012-06-14 | 2014-01-01 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner with same |
| CN105258401A (en) * | 2015-10-23 | 2016-01-20 | 上海龙阳精密复合铜管有限公司 | Heat exchanger and heat pump type air conditioner system provided with heat exchanger |
| WO2022237164A1 (en) * | 2021-05-08 | 2022-11-17 | 青岛海尔空调器有限总公司 | Split type air conditioner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102078299B1 (en) | 2013-04-02 | 2020-02-18 | 삼성디스플레이 주식회사 | Display appatus having anttena |
-
2004
- 2004-11-11 KR KR1020040091833A patent/KR20060044044A/en not_active Application Discontinuation
-
2005
- 2005-03-23 CN CNA2005100564414A patent/CN1773186A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375943A (en) * | 2012-04-27 | 2013-10-30 | 珠海格力电器股份有限公司 | Evaporator |
| CN103375943B (en) * | 2012-04-27 | 2015-12-09 | 珠海格力电器股份有限公司 | Evaporimeter |
| CN103486771A (en) * | 2012-06-14 | 2014-01-01 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner with same |
| CN103486771B (en) * | 2012-06-14 | 2016-06-01 | 珠海格力电器股份有限公司 | A kind of interchanger and there is the conditioner of this interchanger |
| CN105258401A (en) * | 2015-10-23 | 2016-01-20 | 上海龙阳精密复合铜管有限公司 | Heat exchanger and heat pump type air conditioner system provided with heat exchanger |
| WO2022237164A1 (en) * | 2021-05-08 | 2022-11-17 | 青岛海尔空调器有限总公司 | Split type air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060044044A (en) | 2006-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |