CN100470171C - Tiny channel aluminum strip tubular mode heat pump type heat exchanger of air conditioner / air conditioning machinery - Google Patents
Tiny channel aluminum strip tubular mode heat pump type heat exchanger of air conditioner / air conditioning machinery Download PDFInfo
- Publication number
- CN100470171C CN100470171C CNB2007100996027A CN200710099602A CN100470171C CN 100470171 C CN100470171 C CN 100470171C CN B2007100996027 A CNB2007100996027 A CN B2007100996027A CN 200710099602 A CN200710099602 A CN 200710099602A CN 100470171 C CN100470171 C CN 100470171C
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- micro
- pipe
- lower collector
- 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.)
- Active
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 20
- 229910052782 aluminium Inorganic materials 0.000 title claims description 20
- 238000004378 air conditioning Methods 0.000 title description 6
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000002826 coolant Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003416 augmentation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
This invention relates to a micro-channel ribbon tube hot pump air-condition/exchanger composed of an upper collector, a lower collector, micro-channel ribbon tubes and ribs, which are plane or wave ones with drainage grooves distributed slantly against the wind to exhaust condensed water or frost water timely, in which a liquid separation structure is applied for the connection of upper and lower collectors with the micro-channel ribbon tubes to solve the problem that heat-exchange area can't be used fully since cooling agent can't flow uniformly among channels when the heat exchanger is used as an evaporator.
Description
Technical field
The present invention relates to a kind of air cooling heat exchanger of idle call, relate in particular to a kind of micro-channel aluminium strip tube-type air conditioner heat exchanger, belong to air conditioner technical field.
Background technology
Existing air-conditioner adopts fin-tube heat exchanger mostly.Along with present copper valency goes up, the production cost of existing air-conditioning improves greatly, is badly in need of adopting new augmentation of heat transfer technology, reduces cost, and reaches purpose of energy saving simultaneously.In recent years, the development of micro-scale heat transfer technology is rapid, and fine multichannel aluminium strip pipe heat exchanger just is widely used in the air conditioning for automobiles field as a kind of new type heat exchanger.Utility model patent (200510012007.6) discloses a kind of critical CO that is used to stride
2The micro-channel parallel-flow heat exchanger and the manufacture method thereof of circulation, but its range of application only limits to stride critical CO
2The gas cooler of automotive air-conditioning system should not be used as evaporimeter.
Kandlikar.S.G sums up the research about micro-channel in recent years in document " Evolution of Microchannel Flow Passages-Thermohydraulic Performa-nce and Fabrication Technology (Heat Transfer Engineering; Vol.24; Issue 4; pp.3-17) ", the clear and definite notion of micro-channel, point out that hydraulic diameter is that the passage of 0.01～0.2mm is called the microchannel, hydraulic diameter is that the passage of 0.2～3mm is called thin passage, hydraulic diameter is called conventional channels greater than the passage of 3mm, adopt micro-channel as the existing research of heat exchange element at home and abroad, but concentrate on automotive air-conditioning system.
In the existing air-conditioning system, adopt knockout to carry out separatory usually.Knockout is the auxiliary equipment between throttling arrangement and the evaporimeter, and its effect is exactly the gas-liquid two-phase cold-producing medium that throttling arrangement comes out to be assigned in each pipeline of evaporimeter equably go.But in actual motion,, cause mass flow discrepancies in the different pipes, systematic function is caused have a strong impact on because that the variation of operating mode or knockout are selected is unreasonable.Patent 200510035660.4 has been reported a kind of knockout, and the center line angle that adopts hybrid chamber and go out sap cavity is less than 90 degree, and knockout inner chamber jet end adopts the Internal Spherical Surface design, natural arc transition, and complicated but structure still shows, manufacturability is bad.
Summary of the invention
At the deficiencies in the prior art and defective, the purpose of this invention is to provide a kind of micro-channel aluminium strip tubular type heat pump type air conditioner machine heat exchanger, to solve gas-liquid two-phase cold-producing medium uneven problem of each channel flow in evaporimeter; It is further reduced cost, and augmentation of heat transfer improve the heat exchange effect, and it is simple to have technology, and price is low, the characteristics that heat transfer characteristic is good.
Purpose of the present invention is achieved through the following technical solutions:
A kind of micro-channel aluminium strip tubular type heat pump type air conditioner machine heat exchanger, it is characterized in that: this heat exchanger by upper header, lower collector pipe, be arranged on the communicating pipe and the tube connector that are arranged in parallel between the upper and lower collector and form, described communicating pipe and tube connector adopt with ribbing micro-channel aluminium strip pipe, be provided with described communicating pipe more than two, two two ends that are arranged in lower collector pipe wherein, every communicating pipe directly is communicated with upper header and lower collector pipe; The upper end of described tube connector directly is communicated with upper header, and the lower end is communicated with lower collector pipe and is deep in the liquid of lower collector pipe.
Fin of the present invention adopts the wave rib or the plain film rib of band intake chute, and is in tilted layout along the windward side.
Feature of the present invention also is: the refrigerant inlet of heat exchanger and outlet are arranged on the homonymy of heat exchanger or are separately positioned on the both sides of heat exchanger.
The present invention compared with prior art, have with advantage and outstanding effect: the present invention adopts automatic solution dividing structure, be that described communicating pipe and tube connector adopt with ribbing micro-channel aluminium strip pipe, be provided with described communicating pipe more than two, two two ends that are arranged in lower collector pipe wherein, every communicating pipe directly is communicated with upper header and lower collector pipe; The upper end of described tube connector directly is communicated with upper header, the lower end is communicated with lower collector pipe and is deep in the liquid of lower collector pipe, make liquid phase flow to upper header by tube connector, gas phase then directly flows to upper header by communicating pipe, thereby solved the gas-liquid two-phase cold-producing medium in the uneven problem of each channel flow of heat exchanger, realized that gas-liquid separates automatically, no longer needed other special liquid distributing devices; The present invention adopts micro-channel aluminium strip pipe, and the hydraulic diameter of each passage of aluminium strip pipe is less, belongs to the scope of micro-channel, but augmentation of heat transfer and improve the anti-pressure ability of pipeline not only, and can reduce total heat exchange area and refrigerant charge, and save material, reduce cost; Adopt the wave rib or the plain film rib of band intake chute simultaneously, and be in tilted layout along the windward side, condensation water or defrosting water are in time drained, reduced the frequency that air-conditioner starts, improved efficiency, it is strong, simple in structure to have an exchange capability of heat, the advantage that is easy to process.
Description of drawings
Fig. 1 is a wave mode rib micro-channel aluminium strip tubular type heat pump type air conditioner machine heat exchanger structural representation.
Fig. 2 is the waveform fin schematic diagram of band intake chute.
Fig. 3 is the structural representation of plain film rib micro-channel aluminium strip tubular type heat pump type air conditioner machine heat exchanger.
Fig. 4 is A-A sectional view.
Fig. 5 is B-B sectional view.
Fig. 6 is the C-C sectional view.
The specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and the specific embodiment are described further.
Fig. 1, Fig. 3 are micro-channel aluminium strip tubular type heat pump type air conditioner machine heat exchanger structural representation, this heat exchanger by upper header 1, lower collector pipe 2, be arranged on the communicating pipe 3 and the tube connector 4 that are arranged in parallel between the upper and lower collector and form, described communicating pipe and tube connector adopt with ribbing 5 microchannel aluminium strip pipe, described communicating pipe 3 is provided with more than two or two, two two ends that are arranged in lower collector pipe wherein, every communicating pipe directly is communicated with (as shown in Figure 5) with upper header and lower collector pipe; The upper end of described tube connector 4 directly is communicated with upper header 1, and the lower end is communicated with lower collector pipe 2 and is deep in the liquid of lower collector pipe 2 (as shown in Figure 4).Described fin 5 adopts the wave rib or the plain film rib of band intake chute 6, and is in tilted layout along the windward side.The refrigerant inlet of this heat exchanger and outlet are separately positioned on the both sides of heat exchanger, also can be arranged on the homonymy of heat exchanger.Fig. 2 is the waveform fin schematic diagram of band intake chute 6, and the shape of intake chute can be the triangle shown in the figure, also can adopt other shapes.Fig. 6 is the C-C sectional view of micro-channel aluminium strip pipe, has only provided channel cross-section among the figure and has been circular situation, and in fact, channel cross-section can adopt other shape, as rectangle, ellipse etc.The hydraulic diameter of the single passage of used aluminium strip pipe is in 0.01～3mm scope among the present invention.
Under cooling condition, this heat exchanger serves as condenser to be used, and the refrigerant superheat steam enters from upper header 1, flow downward along communicating pipe 3 and tube connector 4, and externally heat radiation simultaneously, condensing during to lower collector pipe 2 becomes single-phase subcooled liquid, will enter throttling arrangement then.The inlet of heat exchanger cold-producing medium can or be arranged in the both sides of heat exchanger at the homonymy of heat exchanger.Effect can be better when the entrance and exit of heat exchanger cold-producing medium was arranged in both sides, because can make this moment the pressure reduction of top and bottom correspondence of each communicating pipe or tube connector more approaching, the mobile of each pipeline will more even, and the heat exchange effect can be better.
Under heating condition, this heat exchanger serves as evaporimeter to be used, and the gas-liquid two-phase cold-producing medium from throttling arrangement comes out enters this heat exchanger from lower collector pipe 2, automatic solution dividing structure in the lower collector pipe 2 can make the gas-liquid two-phase cold-producing medium enter communicating pipe 3 and tube connector 4 equably, simultaneously constantly heat absorption evaporation.In evaporation process, because pipe outside wall surface temperature is lower, have condensate water or frosting phenomenon on the heat exchanger, defrosting water for condensate water or defrost process, can utilize the fin 5 that is in tilted layout along the windward side in time to drain, the defrosting water that prevents condensate water or defrost process accumulates on fin 5, increases the heat exchange thermal resistance, influences the heat exchange effect.Along with cold-producing medium to the flowing of upper header, heat absorption becomes superheated steam gradually, flows out this heat exchanger by upper header.
The present invention not only can be applied to heat pump type air conditioner, also is applicable to the similar applications that other adopt air-cooled heat exchange.
Claims (3)
1. micro-channel aluminium strip tubular type heat pump type air conditioner machine heat exchanger, it is characterized in that: this heat exchanger by upper header (1), lower collector pipe (2), be arranged on the communicating pipe (3) and the tube connector (4) that are arranged in parallel between the upper and lower collector and form, described communicating pipe and tube connector adopt the micro-channel aluminium strip pipe of with ribbing (5), described communicating pipe (3) is provided with more than two, two two ends that are arranged in lower collector pipe wherein, every communicating pipe directly is communicated with upper header and lower collector pipe; The upper end of described tube connector (4) directly is communicated with upper header (1), and the lower end is communicated with lower collector pipe (2) and is deep in the liquid of lower collector pipe.
2. according to the described micro-channel aluminium strip of claim 1 tubular type heat pump type air conditioner machine heat exchanger, it is characterized in that: described fin (5) adopts the wave rib of plain film rib or band intake chute (6), and is in tilted layout along the windward side.
3. according to the described micro-channel aluminium strip of claim 1 tubular type heat pump type air conditioner machine heat exchanger, it is characterized in that: the refrigerant inlet of heat exchanger and outlet are arranged on the homonymy of heat exchanger or are separately positioned on the both sides of heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100996027A CN100470171C (en) | 2007-05-25 | 2007-05-25 | Tiny channel aluminum strip tubular mode heat pump type heat exchanger of air conditioner / air conditioning machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100996027A CN100470171C (en) | 2007-05-25 | 2007-05-25 | Tiny channel aluminum strip tubular mode heat pump type heat exchanger of air conditioner / air conditioning machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101093123A CN101093123A (en) | 2007-12-26 |
| CN100470171C true CN100470171C (en) | 2009-03-18 |
Family
ID=38991506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100996027A Active CN100470171C (en) | 2007-05-25 | 2007-05-25 | Tiny channel aluminum strip tubular mode heat pump type heat exchanger of air conditioner / air conditioning machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100470171C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738011B (en) * | 2009-12-15 | 2012-11-21 | 清华大学 | Microfine multi-channel heat pump type air-conditioner heat exchanger with automatic liquid distribution structure |
| CN103216978B (en) * | 2013-04-02 | 2015-11-25 | 虞寿仁 | Miniature microchannel heat pump type air conditioner embeds condenser and the defrosting method thereof of heating wire |
-
2007
- 2007-05-25 CN CNB2007100996027A patent/CN100470171C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101093123A (en) | 2007-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101963418B (en) | Micro channel heat exchanger for air-conditioner heat pump | |
| CN202928427U (en) | Heat exchanger fin, heat exchanger and air conditioner | |
| CN102445100A (en) | Heat exchange tube unit, finned tube air-cooled condenser and cooling air evaporator | |
| CN210512739U (en) | Micro-channel heat exchanger and air conditioner | |
| CN102692101A (en) | Heat exchanger and air conditioner equipment | |
| CN107702382A (en) | micro-channel evaporator | |
| CN101738011B (en) | Microfine multi-channel heat pump type air-conditioner heat exchanger with automatic liquid distribution structure | |
| CN101694360B (en) | Parallel flow heat exchanger and wing band structure thereof | |
| CN100470171C (en) | Tiny channel aluminum strip tubular mode heat pump type heat exchanger of air conditioner / air conditioning machinery | |
| CN101509731A (en) | Special-shaped microchannel and exterior corrugated fin integration molding heat exchanger | |
| CN211625782U (en) | A liquid drop evaporation plant and cooling water set for cooling water set | |
| CN203231590U (en) | Novel micro-channel heat exchanger | |
| CN201555396U (en) | Heat exchanger of micro multichannel heat pump type air conditioner with automatic liquid-separating structure | |
| CN203249530U (en) | Microchannel flat tube and heat exchanger with same | |
| CN2589920Y (en) | Heterotype parallel flow condenser | |
| CN202420262U (en) | Heat exchange tube unit, finned tube type air cooling condenser and cooling air evaporator | |
| CN110425904A (en) | A kind of plate fin and micro-channel heat exchanger, air-conditioning | |
| CN115790237A (en) | Heat exchange fin structure, heat exchange tube and heat exchanger | |
| CN214039043U (en) | Micro-channel heat exchanger and air conditioning system | |
| CN212458020U (en) | Micro-channel heat exchanger | |
| CN101696861B (en) | Heat exchanger and wing band structure thereof | |
| CN101398268B (en) | Parallel flow heat exchanger | |
| CN216384679U (en) | Microchannel evaporator device | |
| CN214148435U (en) | Heat exchanger and air conditioning system with same | |
| CN201522145U (en) | Parallel heat exchanger of improved wing band structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20080111 Address after: Beijing 100084 mailbox 82 cent box Tsinghua University Patent Office Applicant after: Tsinghua University Co-applicant after: Beijing University of Technology Address before: Beijing 100084 mailbox 82 sub-box Tsinghua University Patent Office Applicant before: Tsinghua University |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |