CN206131793U - High -efficient microchannel heat exchanger - Google Patents
High -efficient microchannel heat exchanger Download PDFInfo
- Publication number
- CN206131793U CN206131793U CN201621054613.4U CN201621054613U CN206131793U CN 206131793 U CN206131793 U CN 206131793U CN 201621054613 U CN201621054613 U CN 201621054613U CN 206131793 U CN206131793 U CN 206131793U
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- flat
- tube
- flat tube
- heat exchanger
- wall
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a high -efficient microchannel heat exchanger, belong to the heat exchanger field, it includes the pressure manifold, a plurality of settings are at the flat pipe and the heat transfer fin of setting between adjacent flat pipe of pressure manifold below, be equipped with the location mouth on the pressure manifold, a location mouthful interpolation has the division board, the division board divide into import pipe and outlet pipe with the pressure manifold, every flat pipe divide into the flat pipe of first section with import pipe intercommunication, with the flat pipe of second section of outlet pipe intercommunication and the flat pipe of third section of first flat pipe of section of intercommunication and the flat pipe of second section, every flat pipe includes flat body and sets up the inner tube in flat body, the both ends of inner tube are sealed, form the microchannel between outer wall of the inner tube and the flat pipe inner wall, be equipped with at least one partition bead that is used for separating the microchannel between outer wall of the inner tube and the flat pipe inner wall. Compared with the prior art, this microchannel heat exchanger separates the heat exchange tube for import pipe and outlet pipe, saves a pressure manifold, reduces manufacturing cost, and flat pipe adopts non - 90 degrees to buckle simultaneously, increases the inner tube, improves heat exchange efficiency.
Description
Technical field
The present invention relates to field of heat exchangers, particularly efficient micro-channel heat exchanger.
Background technology
In recent years, air conditioner industry fast development, chief component one of of the heat exchanger as air-conditioning, it is also desirable to according to city
Requirement in terms of is improved, optimization design；Micro-channel heat exchanger has high cooling efficiency, small volume, lightweight, resistance to pressure energy
The features such as power is strong, has larger market in field of air conditioning.
In prior art, micro-channel heat exchanger is mainly made up of micro-channel flat, radiating fin and header；Header leads to
Often it is two, the two ends of micro-channel flat is arranged at, for distributing and collecting cold-producing medium；It is undulatory or with shutter shape
The radiating fin is arranged between adjacent micro-channel flat, to enhanced heat exchange device and the heat exchange efficiency of air side；In order to
Preferably heat exchange efficiency is obtained, in the inside of header dividing plate is provided with, can be by the flowing of micro-channel heat exchanger inner refrigerant point
Into several flow processs, and according to the flat tube number of each flow process of actual requirement reasonable distribution.
The header of micro-channel heat exchanger is typically made from multiple components, and needs multi-step process, such as punching and weldering
Connect, for micro-channel flat and radiating fin, in manufacture process, the processing cost of header and be welded into
This increases all can the processing cost of heat exchanger, while in use header is also easier to go wrong.
The content of the invention
For the problems referred to above, the invention provides efficiently micro-channel heat exchanger, the micro-channel heat exchanger simple structure, improve
Heat exchange efficiency simultaneously reduces manufacturing cost.
The technical solution used in the present invention is：
Efficient micro-channel heat exchanger, including header, multiple flat tubes being arranged on below header and be arranged on adjacent
Heat exchange fin between flat tube, header is provided with positioning port, is inserted with demarcation strip in positioning port, demarcation strip by header be divided into into
Mouthful pipe and outlet, each flat tube be divided into the second segment flat tube that the first paragraph flat tube connected with inlet tube connects with outlet and
3rd section of flat tube of connection first paragraph flat tube and second segment flat tube, each flat tube includes flat tube body and is arranged in flat tube body
Inner tube, the closed at both ends of inner tube forms microchannel between outer wall of inner tube and flat inboard wall of tube body, outer wall of inner tube and flat inboard wall of tube body it
Between be provided with least one for separating the separation fin of microchannel.
Preferably, the angle in each flat tube between first paragraph flat tube and the 3rd section of flat tube is 90 ° ~ 160 °.
Preferably, the angle in each flat tube between second segment flat tube and the 3rd section of flat tube is 90 ° ~ 160 °.
Preferably, flat inboard wall of tube body is provided with least one first detents, and outer wall of inner tube is provided with least one
Two detents, separate fin and insert between corresponding first detent and the second detent.
It is highly preferred that being additionally provided with multiple flat tube bodies radiating grooves for increasing heat radiation area on the inwall of flat tube body.
It is highly preferred that the outer wall of inner tube is provided with multiple inner tubes radiating grooves for increasing heat radiation area.
Preferably, rubber groove is provided with positioning port, in demarcation strip insertion rubber groove.
Compared with prior art, the beneficial effects of the present invention is：The present invention provides efficient micro-channel heat exchanger, and adopting will
Heat exchanger tube is divided into inlet tube and outlet, and the two ends of flat tube are connected respectively with inlet tube and outlet, saves a header,
Manufacturing cost is reduced, while flat tube is bent using non-90 degree, increases inner tube, increase the flow process of fluid in flat tube, improve heat exchange effect
Rate.
Description of the drawings
The stereogram of the efficient micro-channel heat exchanger that Fig. 1 is provided for the present invention；
The explosive view of header in the efficient micro-channel heat exchanger that Fig. 2 is provided for the present invention；
The schematic diagram of flat tube in the efficient micro-channel heat exchanger that Fig. 3 is provided for the present invention；
The partial enlarged drawing A-A of flat tube in the efficient micro-channel heat exchanger that Fig. 4 is provided for the present invention.
Specific embodiment
Fig. 1 to Fig. 4, the preferred embodiment of the efficient micro-channel heat exchanger provided for the present invention.As shown in Figures 1 to 4,
The micro-channel heat exchanger, including header 10, multiple flat tubes 20 for being arranged on the lower section of header 10 and it is arranged on adjacent flat tube
Heat exchange fin 30 between 20, header 10 is provided with positioning port 11, positioning port 11 and is inserted with demarcation strip 12, and demarcation strip 12 will collect
10 points of flow tube is inlet tube 101 and outlet 102, so enters fluid, fluid Jing flat tubes 20 and heat exchange fin from inlet tube 101
30 radiatings, flow out from outlet 102.It should be noted that rubber groove 111 is provided with positioning port 11, the insertion rubber of demarcation strip 12
In groove 111, it is ensured that the accurate positioning of demarcation strip 12, good airproof performance between inlet tube 101 and outlet 102.
As shown in figure 3,20 points of each flat tube is the first paragraph flat tube 201 that connects with inlet tube 101 and outlet 102 connecting
Logical second segment flat tube 202 and the 3rd section of flat tube 203 for connecting first paragraph flat tube 201 and second segment flat tube 202.It is excellent as one kind
Embodiment is selected, the angle α in each flat tube 20 between first paragraph flat tube 201 and the 3rd section of flat tube 203 is 90 ° ~ 160 °, each
Angle β in flat tube between second segment flat tube 202 and the 3rd section of flat tube 203 is 90 ° ~ 160 °, and such first paragraph flat tube 201 is relative
It is obliquely installed in the 3rd section of flat tube 203, second segment flat tube 202 is obliquely installed relative to the 3rd section of flat tube 203, extends fluid flat
Flow process in pipe 20, extends fluid flow time, is conducive to improving radiating efficiency.In addition, angle α can be identical with angle β, also may be used
Differ.In order to easily manufactured, angle α is identical with angle β.Each flat tube 20 can be formed using bending technique.
As shown in figure 4, each flat tube 20 includes flat tube body 21 and the inner tube 22 being arranged in flat tube body 21, inner tube 22
Closed at both ends, forms microchannel 23 between the outer wall of inner tube 22 and the inwall of flat tube body 21, the outer wall of inner tube 22 and the inwall of flat tube body 21 it
Between be provided with least one for separating the separation fin 24 of microchannel 23.The inwall of flat tube body 21 is provided with least one first positioning
Groove 211, the outer wall of inner tube 22 is provided with least one second detents 221, separates fin 24 and inserts corresponding first positioning
Between the detent 221 of groove 211 and second, so can at any time according to demand, change separates the position of fin 24, so as to change
Division to microchannel 23.
Multiple flat tubes radiating grooves 212 for increasing heat radiation area are additionally provided with the inwall of flat tube body 21.Inner tube 22
Outer wall is provided with multiple inner tubes radiating grooves 222 for increasing heat radiation area, and such increasing heat radiation area improves radiating effect
Rate.
In sum, technical scheme can realize foregoing invention purpose, and the knot of the present invention with sufficiently effective
Structure and the principle of work and power all sufficiently verified in embodiment, expected effect and purpose can be reached, without departing substantially from this
On the premise of the principle and essence of invention, various changes or modifications can be made to inventive embodiment.Therefore, the present invention includes
All be previously mentioned in patent claim in the range of all replacement contents, it is any to be made in scope of the present invention patent
Equivalence changes, all belong to this case application the scope of the claims within.
Claims (7)
1. efficient micro-channel heat exchanger, it is characterised in that including header, multiple flat tubes being arranged on below header and set
The heat exchange fin between adjacent flat tube is put, header is provided with positioning port, be inserted with demarcation strip in positioning port, demarcation strip is by afflux
Pipe is divided into inlet tube and outlet, and each flat tube is divided into second that the first paragraph flat tube connected with inlet tube is connected with outlet
Section flat tube and the 3rd section of flat tube for connecting first paragraph flat tube and second segment flat tube, each flat tube includes flat tube body and is arranged on flat
Inner tube in body, the closed at both ends of inner tube forms microchannel, outer wall of inner tube and flat tube between outer wall of inner tube and flat inboard wall of tube body
Being provided with least one between wall in vivo is used to separate the separation fin of microchannel.
2. micro-channel heat exchanger according to claim 1, it is characterised in that：First paragraph flat tube and the 3rd section in each flat tube
Angle between flat tube is 90 ° ~ 160 °.
3. micro-channel heat exchanger according to claim 1, it is characterised in that：Second segment flat tube and the 3rd section in each flat tube
Angle between flat tube is 90 ° ~ 160 °.
4. micro-channel heat exchanger according to claim 1, it is characterised in that：Flat inboard wall of tube body is provided with least one first
Detent, outer wall of inner tube is provided with least one second detents, separate fin insert corresponding first detent and
Between second detent.
5. micro-channel heat exchanger according to claim 1, it is characterised in that：Multiple being used for is additionally provided with the inwall of flat tube body
The flat tube body radiating groove of increasing heat radiation area.
6. micro-channel heat exchanger according to claim 1, it is characterised in that：The outer wall of inner tube is provided with multiple for increasing
The inner tube radiating groove of area of dissipation.
7. micro-channel heat exchanger according to claim 1, it is characterised in that：Rubber groove is provided with positioning port, demarcation strip is inserted
Enter in rubber groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621054613.4U CN206131793U (en) | 2016-09-13 | 2016-09-13 | High -efficient microchannel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621054613.4U CN206131793U (en) | 2016-09-13 | 2016-09-13 | High -efficient microchannel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206131793U true CN206131793U (en) | 2017-04-26 |
Family
ID=58569972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621054613.4U Expired - Fee Related CN206131793U (en) | 2016-09-13 | 2016-09-13 | High -efficient microchannel heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206131793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944951A (en) * | 2021-04-01 | 2021-06-11 | 哈尔滨理工大学 | Microchannel heat exchanger and shunting structure |
-
2016
- 2016-09-13 CN CN201621054613.4U patent/CN206131793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944951A (en) * | 2021-04-01 | 2021-06-11 | 哈尔滨理工大学 | Microchannel heat exchanger and shunting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20200913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |