CN204757465U - Little channel evaporator of easy drainage of piece formula is worn with flat pipe to intercooling refrigerator - Google Patents
Little channel evaporator of easy drainage of piece formula is worn with flat pipe to intercooling refrigerator Download PDFInfo
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- CN204757465U CN204757465U CN201520414804.6U CN201520414804U CN204757465U CN 204757465 U CN204757465 U CN 204757465U CN 201520414804 U CN201520414804 U CN 201520414804U CN 204757465 U CN204757465 U CN 204757465U
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- micro
- channel
- flat tube
- flat
- refrigerator
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a little channel evaporator of easy drainage of piece formula is worn with flat pipe to intercooling refrigerator in heat transfer field, includes: micro channel flat tube and a plurality of rectangular cooling fin who sets up on micro channel flat tube, wherein: parallel just interval is equal mutually between the rectangular cooling fin, rectangular cooling fin is last be equipped with with micro channel flat tube's cross sectional shape assorted through -hole to make the micro channel flat tube axial to pass rectangular cooling fin. The utility model discloses the flat tube spacing of steerable horizontal direction after bending for the mutual stagger arrangement of two -layer flat pipe from top to bottom, the drainage of being convenient for, simultaneously the utility model discloses utilize the refrigerant phase transition to improve the radiating efficiency, utilize aluminum product micro channel flat tube's the buckling nature that exchanges simultaneously, increased the heat transfer area of evaporimeter.
Description
Technical field
The utility model relates to a kind of technology of field of heat exchange, specifically a kind of flat tube slice penetrating type mini channel evaporimeter for indirect cool refrigerator.
Background technology
The enhancing of recent domestic refrigeration industry energy-conserving and environment-protective consciousness, the application of micro-channel heat exchanger in refrigeration industry more and more receives the concern of people.Evaporimeter is as the important component part of refrigerator refrigeration system, and the raising of its performance is very helpful for the raising tool of refrigerator whole system performance.Develop efficient evaporator of refrigerator, not only be related to the overall operation performance of refrigerator, also be related to the manufacturing cost of refrigerator, development technology performance be good, refrigerator heat exchanger that heat transfer efficiency is high, rational in infrastructure, refrigerator Energy Efficiency Ratio can be improved, reduce manufacturing cost, increase usage space.
Micro-channel heat exchanger is the new type heat exchanger utilizing microchannel enhanced heat exchange theory to realize high efficient heat exchanging performance, relative to traditional copper pipe aluminium radiator fin formula heat exchanger, has energy-conservation, environmental protection (reducing cold-producing medium, recyclable), lightweight, the advantages such as low cost.The channel diameter of its heat exchange tubing is usually at 0.1 ~ 1mm, and adopt all-aluminium construction, more traditional copper pipe ?aluminium radiator fin heat exchanger can improve systematic function 20%, reduces refrigerant charge 40%, and reduces product cost 10%.Its aluminium parts all adopts extruding, die casting, full-automatic assembling grade for high efficient technology, can realize large-scale production, is the main flow of current refrigeration industry heat exchanger development, therefore develops a refrigerator micro-channel evaporator and have very high practical value.
Through finding the retrieval of prior art, Chinese patent literature CN102121798A, open (bulletin) day 2011.07.13, disclose a kind of flat tube-fin heat exchanger with double-side vortex generator, comprise the flat tube along gas flow direction arrangement and the fin be enclosed within flat tube, described fin is provided with the hole of suit flat tube, and punching press two is distinguished to vortex generators upwards and two to downward vortex generators in the both sides up and down in each hole, and on fin, leave corresponding aperture; The leading edge point of first pair of vortex generators is upwards positioned at the front end tangent line in the hole of suit flat tube, and the leading edge point of second pair of vortex generators is upwards positioned at the intermediate vertical line in the hole of suit flat tube.But all flat tubes of the heat exchanger in this technology all connect and pass same heat exchanger fin, such design well can not be applied to the special refrigerator air duct of structure, and for the evaporator of refrigerator of frost related frequency, heat exchanger fin is made an entirety and is unfavorable for defrost draining.
Utility model content
The utility model is for prior art above shortcomings, the easy draining micro-channel evaporator of a kind of indirect cool refrigerator flat tube sheet assemble is proposed, utilize cold-producing medium phase transformation to improve radiating efficiency, utilize the easy bending of aluminium micro-channel flat simultaneously, increase the heat exchange area of evaporimeter; The utility model good effect of heat exchange, manufacture are simply.
The utility model is achieved through the following technical solutions:
The utility model comprises: micro-channel flat and some rectangular radiators be arranged in micro-channel flat, wherein: parallel to each other and spacing is equal between rectangular radiator; Rectangular radiator is provided with the through hole matched with the cross sectional shape of micro-channel flat, to make micro-channel flat axially across rectangular radiator.
Described micro-channel flat carries out spiral bending, bending times >=1 according to refrigerator air duct size and actual heat exchange area, and the interval between the micro-channel flat be parallel to each other after bending adjusts according to air channel structure size.
Described spiral bending refers to: the parametric equation of the axis of the micro-channel flat part of dogleg section meets: x
2+ y
2=r
2, and y>=0.
Described micro-channel flat width be 10 ?40mm, thickness be 1 ?3mm, hole count 5 ?40.
During described evaporimeter integral installation and horizontal plane or in an acute angle.
Described micro-channel flat, rectangular radiator all adopt aluminium material.
Technique effect
Compared with prior art, the structure of the utility model particular design contributes to the coefficient of heat transfer improving heat exchanger, and controllable levels direction flat tube spacing after bending, makes the mutual stagger arrangement of upper and lower two-layer flat tube, be convenient to draining; In addition, this device refrigerant charge is few, and tubing uses few, and processing technology is simple, easy to assembly, can be used to alternative conventional refrigerator evaporimeter.Controllable levels direction flat tube spacing after bending, makes the mutual stagger arrangement of upper and lower two-layer flat tube, is convenient to draining.
Accompanying drawing explanation
Fig. 1 is micro-channel evaporator perspective view described in the utility model;
Fig. 2 is fin schematic cross-section described in the utility model;
Fig. 3 is the gas flow schematic diagram of the utility model fin different installation;
In figure: (a) is non-perpendicular setting, (b) is vertical setting;
Fig. 4 is the utility model torsional mode schematic diagram.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As figure 1 ?shown in 4, the present embodiment comprises: micro-channel flat 1, rectangular radiator 2, wherein: rectangular radiator 2 center has and flat tube 1 shape, hole 3 that sectional area is identical, described micro-channel flat 1 passes perpendicularly through the hole 3 at rectangular radiator center, especially, described different layers and different rows of flat pipes 1 are through separate fin 2, and fin is not connected.Such design makes evaporimeter reverse when installing and is more applicable for the special refrigerator air duct of structure, and defrost draining is more prone to.
Add man-hour, by aluminium strip good for heat conductivility through striking out heat exchange fin 1, and equidistant position stamps out the rectangular opening 3 that area is a bit larger tham micro-channel flat thereon, fin 2 is put into particular mold with a determining deviation arrangement, then micro-channel flat 2 is passed from rectangular opening 3.Fin 2 is welded with micro-channel flat 1, as requested bending is carried out to flat tube subsequently, get final product the micro-channel evaporator that processing cost utility model describes.
Described micro-channel flat width be 10 ?40mm, thickness be 1 ?3mm, hole count 5 ?40.
Described horizontal direction bending can use Novel torsional mode (Fig. 4), flat tube 3 spacing in controllable levels direction after bending, make the stagger arrangement mutually of upper and lower two-layer flat tube 3, be convenient to draining, the parametric equation of the axis of the micro-channel flat part of this dogleg section meets: x
2+ y
2=r
2, and y>=0.
Described fin 2 can perpendicular to horizontal plane, also can with horizontal plane alternating inclinations, increase turbulent flow reinforced heat exchange, as shown in Fig. 3 (a) He (b).
Described micro-channel flat 1, fin 2 all adopt aluminium material.
Claims (5)
1. the easy draining micro-channel evaporator of indirect cool refrigerator flat tube sheet assemble, is characterized in that, comprising: micro-channel flat and some rectangular radiators be arranged in micro-channel flat, wherein: parallel to each other and spacing is equal between rectangular radiator;
Described rectangular radiator is provided with the through hole matched with the cross sectional shape of micro-channel flat, to make micro-channel flat axially across rectangular radiator;
Described micro-channel flat carries out spiral bending, bending times >=1 according to refrigerator air duct size and actual heat exchange area.
2. the easy draining micro-channel evaporator of indirect cool refrigerator flat tube sheet assemble according to claim 1, it is characterized in that, described micro-channel flat width is 10-20mm, and thickness is 1.5-2.5mm.
3. the easy draining micro-channel evaporator of indirect cool refrigerator flat tube sheet assemble according to claim 1, is characterized in that, during described evaporimeter integral installation and horizontal plane or in an acute angle.
4. the easy draining micro-channel evaporator of indirect cool refrigerator flat tube sheet assemble according to claim 1, it is characterized in that, described micro-channel flat, rectangular radiator all adopt aluminium material.
5. the easy draining micro-channel evaporator of indirect cool refrigerator flat tube sheet assemble according to claim 1, it is characterized in that, described spiral bending refers to: the parametric equation of the axis of the micro-channel flat part of dogleg section meets: x
2+ y
2=r
2, and y>=0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414804.6U CN204757465U (en) | 2015-06-16 | 2015-06-16 | Little channel evaporator of easy drainage of piece formula is worn with flat pipe to intercooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414804.6U CN204757465U (en) | 2015-06-16 | 2015-06-16 | Little channel evaporator of easy drainage of piece formula is worn with flat pipe to intercooling refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204757465U true CN204757465U (en) | 2015-11-11 |
Family
ID=54472167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520414804.6U Expired - Fee Related CN204757465U (en) | 2015-06-16 | 2015-06-16 | Little channel evaporator of easy drainage of piece formula is worn with flat pipe to intercooling refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204757465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864634A (en) * | 2015-06-16 | 2015-08-26 | 江苏启江实业有限公司 | Flat pipe plate-fin easy-drainage microchannel evaporator for inter-cooled refrigerator |
| CN105588373A (en) * | 2016-02-03 | 2016-05-18 | 合肥太通制冷科技有限公司 | Novel biplate type skew fin evaporator |
-
2015
- 2015-06-16 CN CN201520414804.6U patent/CN204757465U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864634A (en) * | 2015-06-16 | 2015-08-26 | 江苏启江实业有限公司 | Flat pipe plate-fin easy-drainage microchannel evaporator for inter-cooled refrigerator |
| CN105588373A (en) * | 2016-02-03 | 2016-05-18 | 合肥太通制冷科技有限公司 | Novel biplate type skew fin evaporator |
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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: 20151111 Termination date: 20180616 |