CN207881282U - Micro-channel heat exchanger - Google Patents
Micro-channel heat exchanger Download PDFInfo
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- CN207881282U CN207881282U CN201820209644.5U CN201820209644U CN207881282U CN 207881282 U CN207881282 U CN 207881282U CN 201820209644 U CN201820209644 U CN 201820209644U CN 207881282 U CN207881282 U CN 207881282U
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- heat exchanger
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- flat tube
- channel heat
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Abstract
The utility model belongs to technical field of heat exchangers more particularly to a kind of micro-channel heat exchanger.The utility model includes several flat tubes being plugged in fin, the flat tube both ends are connected separately with a header, the cross section of the header is non-circular, the distance at center to the edge of header cross section described further is unequal, the utility model compared to existing micro-channel heat exchanger volume under the same conditions, with longer flat tube length, that is the heat exchange area with bigger, improve heat exchange efficiency and heat transfer effect, and the flat tube of the utility model, which can be used, to be obliquely installed, and is effectively prevented the problem of condensed water deposits and is generated.
Description
Technical field
The utility model belongs to technical field of heat exchangers more particularly to a kind of micro-channel heat exchanger.
Background technology
Heat exchanger, is the equipment that the partial heat of hot fluid is passed to cold fluid, also known as heat exchanger, and heat exchanger is being changed
It is occupied an important position in work, oil, power, food and other many industrial productions, heat exchanger can be used as in Chemical Manufacture
Heater, cooler, condenser, evaporator and reboiler etc., are widely used.
Micro-channel heat exchanger is existing compared to the advantage that traditional heat exchanger has smaller, more lightweight, structure more variable
The header of micro-channel heat exchanger be circle, it is assumed that heat exchanger width W is because space size is defined, when flat tube width T quilts
After decision, afflux pipe diameter D also just determine must >=T+2* afflux thicknesss of pipe wall, not so flat tube can not be inserted into, therefore it is micro- logical
Road flat tube length ML is determined, and is limited fin with header interval S minimum in 3- by micro-channel heat exchanger processing technology
5cm, therefore finned length FL is determined, and flat tube length ML, finned length FL determine the heat exchange area of product, determine and change
Heat, longer heat exchange area is bigger, and heat exchange amount is better, therefore it is urgent to provide a kind of in smaller space realizes the heat exchange amount of bigger
Micro-channel heat exchanger.
For example, Chinese invention patent application discloses a kind of micro-channel heat exchanger [application number：201110219635.7], it should
Application for a patent for invention includes a kind of micro-channel heat exchanger, and the micro-channel heat exchanger is the evaporator of a refrigeration system, described
Refrigeration system also include compressor, condenser, throttling set, the micro-channel heat exchanger be full aluminium heater.
The application for a patent for invention enables refrigerant evenly distributed by the way that distribution cavity is arranged, but still is asked there are above-mentioned
Topic.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of micro-channel heat exchanger.
In order to achieve the above objectives, the utility model uses following technical proposal：
A kind of micro-channel heat exchanger, including several flat tubes being plugged in fin, the flat tube both ends are connected separately with
The cross section of a piece header, the header is non-circular.
A kind of micro-channel heat exchanger, including several flat tubes being plugged in fin, the flat tube both ends are connected separately with
The distance of a piece header, center to the edge of the header cross section is unequal.
In the upper micro-channel heat exchanger, the cross section of the header is ellipse or rectangle.
In the upper micro-channel heat exchanger, the cross section of the header is the rectangle with chamfering, the chamfering
Radius is less than wide 1/5th of rectangle.
In the upper micro-channel heat exchanger, the cross section of header tool is there are one vertical edge, and the two of vertical edge
End is connected by arc transition.
In the upper micro-channel heat exchanger, the cross section of header tool is there are one vertical edge, and the two of vertical edge
End is respectively connected with the horizontal sides vertical with vertical edge, and two one end of horizontal sides far from vertical edge are connected by arc transition.
Further include the microchannel that several are arranged in flat tube, the microchannel in the upper micro-channel heat exchanger
Both ends are connected to different headers.
In the upper micro-channel heat exchanger, the flat tube includes integrally formed interconnecting piece and heat exchanging part, the company
There are two socket part tools and is connected on different headers, and the height of two interconnecting pieces in the vertical direction differs.
In the upper micro-channel heat exchanger, the fin includes that the fin main body being fixedly connected is connected with fin main body
Side, the fin main body have flat tube buckling groove at least provided with two between two adjacent fins main body, the flat tube clamping
The width of slot is adapted with the thickness of flat tube.
In the upper micro-channel heat exchanger, the width of the fin main body is less than the half of flat tube width.
Compared with prior art, the utility model has the advantage of：
1, the utility model compared to existing micro-channel heat exchanger volume under the same conditions, have longer flat tube long
Degree, the i.e. heat exchange area with bigger, improve heat exchange efficiency and heat transfer effect.
2, the flat tube of the utility model, which can be used, is obliquely installed, and effectively prevents the problem of condensed water deposits and generates.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is the vertical view of the utility model；
Fig. 3 is a kind of schematic diagram of cross section of header；
Fig. 4 is the schematic diagram of header another kind cross section；
Fig. 5 is the schematic diagram of header another kind cross section；
Fig. 6 is another structural schematic diagram of the utility model；
Fig. 7 is the schematic diagram of fin and flat tube clamping
In figure：Header 1, flat tube 2, microchannel 3, fin 4, fin main body 41, main body connection side 42, flat tube buckling groove
43。
Specific implementation mode
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
In conjunction with shown in Fig. 1-5, a kind of micro-channel heat exchanger, including several flat tubes 2 being plugged in fin 4, described is flat
2 both ends of pipe are connected separately with a header 1, and the cross section of the header 1 is non-circular, and further, the header 1 is horizontal
The distance at the center in section to edge is unequal.
The utility model, in use, due to header 1 length of the cross section in horizontal and vertical both direction not
Together, therefore flat tube 2 is connect with the longer side of 1 cross-section lengths of header so that flat tube 2 can reach longer length, increase
The heat exchange area of micro-channel heat exchanger, then fin 4 is plugged on flat tube 2, fin 4 can be used to further increase Thermal Performance of Micro Channels
The heat exchange area of device, thus the utility model compared to existing micro-channel heat exchanger volume under the same conditions, with bigger
Heat exchange area improves heat exchange efficiency and heat transfer effect.
Micro-channel heat exchanger includes several flat tubes 2 being plugged in fin 4, and 2 both ends of flat tube are connected separately with an afflux
The cross section of pipe 1, header 1 is non-circular, and further, the distance at center to the edge of 1 cross section of header is unequal, Gu Ji
Length of the cross section of flow tube 1 in horizontal and vertical both direction is different, in use, flat tube 2 and 1 cross section of header is long
Spend the connection of longer side so that flat tube 2 can reach longer length, increase the heat exchange area of micro-channel heat exchanger, then by wing
Piece 4 is plugged on flat tube 2, and fin 4 can be used to further increase the heat exchange area of micro-channel heat exchanger, therefore the utility model is compared
Existing micro-channel heat exchanger volume under the same conditions, with bigger heat exchange area, improve heat exchange efficiency and heat exchange
Effect.
Specifically, the cross section of the header 1 is ellipse or rectangle.
Specifically, the cross section of the header 1 is the rectangle with chamfering, and the chamfer radius is less than the width of rectangle
1/5th.
Specifically, there are one vertical edges for the cross section tool of the header 1, and the both ends of vertical edge are connected by arc transition
It connects.
Specifically, the cross section tool of the header 1 is there are one vertical edge, the both ends of vertical edge be respectively connected with vertically
The vertical horizontal sides in side, two one end of horizontal sides far from vertical edge are connected by arc transition.
Above-mentioned shape can be used as the concrete shape that 1 cross section of header is processed into, as long as 1 cross section of header is in cross
To different with the length in longitudinal both direction so that flat tube 2 can reach greater depth, to increase changing for micro-channel heat exchanger
Hot area.
As shown in fig. 7, further including the microchannel 3 that several are arranged in flat tube 2, the connection of 3 both ends of the microchannel is different
Header 1, this is convenient for heat exchange agent circulation, the distribution inside heat exchanger.
In conjunction with shown in Fig. 6 and Fig. 7, the flat tube 2 includes integrally formed interconnecting piece 21 and heat exchanging part 22, the interconnecting piece
There are two 21 tools and is connected on different headers 1, and the height of two interconnecting pieces 21 in the vertical direction differs, institute
It includes that the fin main body 41 that is fixedly connected connects side 42 with fin main body to state fin 4, the fin main body 41 at least provided with two,
And there is flat tube buckling groove 43, the thickness of the width and flat tube 2 of the flat tube buckling groove 43 between two adjacent fins main body 41
It is adapted, the width of the fin main body 41 is less than the half of 2 width of flat tube.
Fin 4 includes that the fin main body 41 that is fixedly connected connects side 42 with fin main body, two adjacent fins main body 41 it
Between there is flat tube buckling groove 43, fin 4 is connected to 22 surface of heat exchanging part of flat tube 2 using flat tube buckling groove 43, heat exchanging part 22
Both ends are the interconnecting piece 21 being connect with header 1, and the height of two interconnecting pieces 21 in the vertical direction differs so that heat exchanging part
22 surfaces are inclined, and the discharge of condensed water, the same position of heat exchanging part 22 is convenient for be arranged with one from former and later two directions
A fin 4, therefore preferably, the width of fin main body 41 are less than the half of 2 width of flat tube, two such fin main body 41 it
Between also have gap, to facilitate the discharge of condensed water, effectively prevent condensed water siltation the problem of generate.
The operation principle of the utility model is：In use, since the cross section of header 1 is in horizontal and vertical both direction
On length it is different, therefore flat tube 2 is connect with the longer side of 1 cross-section lengths of header so that flat tube 2 can reach longer
Length increases the heat exchange area of micro-channel heat exchanger, and the cross section of header 1 can be ellipse, rectangle, the square with chamfering
Shape or " D " font, then fin 4 is plugged in using flat tube buckling groove 43 on flat tube 2, fin main body 41 can be used to further increase
The heat exchange area of micro-channel heat exchanger, thus the utility model compared to existing micro-channel heat exchanger volume under the same conditions,
Heat exchange area with bigger, improves heat exchange efficiency and heat transfer effect.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although header 1, flat tube 2, microchannel 3, fin 4, fin main body 41, main body connection side is used more herein
42, the terms such as flat tube buckling groove 43, but it does not preclude the possibility of using other terms.The use of these items is only for more
Easily describe and explain the essence of the utility model；It is new with this practicality to be construed as any one of the additional limitations all
Type spirit is disagreed.
Claims (10)
1. a kind of micro-channel heat exchanger, including several flat tubes (2) being plugged in fin (4), the flat tube (2) both ends difference
It is connected with a header (1), it is characterised in that：The cross section of the header (1) is non-circular.
2. a kind of micro-channel heat exchanger, including several flat tubes (2) being plugged in fin (4), the flat tube (2) both ends difference
It is connected with a header (1), it is characterised in that：The distance at center to the edge of header (1) cross section is unequal.
3. micro-channel heat exchanger as claimed in claim 1 or 2, it is characterised in that：The cross section of the header (1) is ellipse
Shape or rectangle.
4. micro-channel heat exchanger as claimed in claim 3, it is characterised in that：The cross section of the header (1) is with
The rectangle at angle, the chamfer radius are less than wide 1/5th of rectangle.
5. micro-channel heat exchanger as claimed in claim 1 or 2, it is characterised in that：The cross section of the header (1) has one
The both ends of a vertical edge, vertical edge are connected by arc transition.
6. micro-channel heat exchanger as claimed in claim 1 or 2, it is characterised in that：The cross section of the header (1) has one
The both ends of a vertical edge, vertical edge are respectively connected with the horizontal sides vertical with vertical edge, two one end of horizontal sides far from vertical edge
It is connected by arc transition.
7. micro-channel heat exchanger as claimed in claim 1 or 2, it is characterised in that：Further include that several settings are interior in flat tube (2)
Microchannel (3), microchannel (3) both ends are connected to different header (1).
8. micro-channel heat exchanger as claimed in claim 1 or 2, it is characterised in that：The flat tube (2) includes integrally formed company
Socket part (21) and heat exchanging part (22), there are two interconnecting piece (21) tools and is connected on different header (1), two
The height of interconnecting piece (21) in the vertical direction differs.
9. micro-channel heat exchanger as claimed in claim 1 or 2, it is characterised in that：The fin (4) includes the wing being fixedly connected
Piece main body (41) connects side (42) with fin main body, and the fin main body (41) is at least provided with two, and two adjacent fins master
There is flat tube buckling groove (43), the width of the flat tube buckling groove (43) to be adapted with the thickness of flat tube (2) between body (41).
10. micro-channel heat exchanger as claimed in claim 9, it is characterised in that：The width of the fin main body (41) is less than flat
Manage the half of (2) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209644.5U CN207881282U (en) | 2018-02-06 | 2018-02-06 | Micro-channel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209644.5U CN207881282U (en) | 2018-02-06 | 2018-02-06 | Micro-channel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881282U true CN207881282U (en) | 2018-09-18 |
Family
ID=63511052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209644.5U Active CN207881282U (en) | 2018-02-06 | 2018-02-06 | Micro-channel heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207881282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282664A (en) * | 2018-11-14 | 2019-01-29 | 华电重工股份有限公司 | A kind of air cooling tubes condenser and its heat-exchanging component |
| CN111795520A (en) * | 2020-07-20 | 2020-10-20 | 富奥汽车零部件股份有限公司 | Micro-channel flat tube and vehicle air conditioner condenser |
-
2018
- 2018-02-06 CN CN201820209644.5U patent/CN207881282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282664A (en) * | 2018-11-14 | 2019-01-29 | 华电重工股份有限公司 | A kind of air cooling tubes condenser and its heat-exchanging component |
| CN111795520A (en) * | 2020-07-20 | 2020-10-20 | 富奥汽车零部件股份有限公司 | Micro-channel flat tube and vehicle air conditioner condenser |
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