CN207816042U - Efficient micro-channel heat exchanger - Google Patents

Abstract

The utility model discloses a kind of efficient micro-channel heat exchangers, including the first header and the second header, it is parallel between first header and the second header to be equipped with multiple flat tubes, there are multiple channels being connected with the first header and the second header in the flat tube, it is equipped with the first header between the flat tube and is equipped with first interface and second interface, the flat tube is equipped with several heat exchange fins, heat exchange enhancing support component is equipped between adjacent heat exchange fin, it is connected by uniform heat exchange structure between heat exchange fin on the outside of the flat tube of most both sides.The utility model has the advantages of simple in structure, good effect of heat exchange.

Description

Efficient micro-channel heat exchanger

Technical field

The utility model belongs to mechanical equipment technical field, is related to heat exchanger, is changed more particularly, to a kind of efficient microchannel Hot device.

Background technology

The engineering background of microchannel (micro-channel heat exchanger) is cold from the last century 80's high-density electronic device But the heat transfer problem of the microelectromechanical systems occurred with the nineties.Micro-channel heat exchanger can be divided into miniature micro- logical by appearance and size Road heat exchanger and large scale micro-channel heat exchanger.

Miniature micro-channel heat exchanger is designed a kind of compact-sized, light to meet the needs of electronics industry development Ingeniously, efficient heat exchanger, structure type have tablet cross-current type micro heat exchanger, the porous micro heat exchanger of sintered meshwork formula.

It is empty that large scale micro-channel heat exchanger is mainly used in traditional industrial refrigeration, UTILIZATION OF VESIDUAL HEAT IN, air conditioning for automobiles, household Tune, Teat pump boiler etc..Its structure type has concurrent flow tubular radiator and three-dimensional cross-current type radiator.

Utility model content

The purpose of this utility model be in view of the above-mentioned problems, providing a kind of efficient micro-channel heat exchanger, have it is simple in structure, The advantages of good effect of heat exchange.

In order to achieve the above objectives, the utility model uses following technical proposal：This efficient micro-channel heat exchanger, including the One header and the second header, it is parallel equipped with multiple flat tubes between first header and the second header, it is described There are multiple channels being connected with the first header and the second header in flat tube, the first afflux is equipped between the flat tube Pipe is equipped with first interface and second interface, and the flat tube is equipped with several heat exchange fins, is set between adjacent heat exchange fin There is heat exchange enhancing support component, is located between the heat exchange fin on the outside of the flat tube of most both sides and is connected by uniform heat exchange structure.

Preferably, the heat exchange enhancing support component includes multiple polygon aluminium being set between heat exchange fin Material, multiple polygon aluminiums are sequentially connected.

Preferably, the polygon aluminium is regular polygon aluminium, the center of the polygon aluminium, which has, to be changed Thermal current passway.

Preferably, the plane of regular polygon aluminium and the side of heat exchange fin is welded to connect.

Preferably, the uniform heat exchange structure includes the arc aluminum heat conducting plate that the heat exchange fin in outside is connected.

Preferably, the outside of the uniform heat exchange structure is equipped with protect-ing frame structure.

Preferably, the protect-ing frame structure covers at the outside of uniform heat exchange structure, the both ends of the protect-ing frame structure It is connected respectively with the first header and the second header.

Compared with prior art, the utility model has the advantage of：By the way that heat exchange enhancing is arranged between heat exchange fin Support component, can not only enhance the mechanical strength of heat exchange fin, while increase whole heat exchange area, improve heat exchanger The coefficient of heat transfer, and the heat exchange fin in outside is connected by uniform heat exchange structure so that each heat exchange fin of equipment heat exchange system Number is almost the same, improves the stability of equipment.

Description of the drawings

Fig. 1 is the schematic diagram of heat exchanger provided by the utility model.

Fig. 2 is the schematic diagram of heat exchange fin provided by the utility model.

Fig. 3 is the schematic diagram of flat tube provided by the utility model.

Fig. 4 is the schematic diagram of pull slot provided by the utility model.

Fig. 5 is the sectional view of flat tube provided by the utility model.

In figure, the first header 1, the second header 2, flat tube 3, channel 31, first interface 4, second interface 5, heat exchange wing Piece 6, uniform heat exchange structure 8, expands chute 32, arcuate structure 33, polygon aluminium 71, heat exchange air-flow at heat exchange enhancing support component 7 Channel 72, arc aluminum heat conducting plate 81, protect-ing frame structure 82, pull slot 9, sheet metal 91, limiting plate 92, pull plate 93.

Specific implementation mode

As shown in Figure 1, this programme includes the first header 1 and the second header 2, the first header 1 and the second header 2 Between it is parallel be equipped with multiple flat tubes 3, there are in flat tube 3 multiple channels being connected with the first header 1 and the second header 2 31, it is equipped with the first header 1 between flat tube 3 and is equipped with first interface 4 and second interface 5, flat tube 3 is equipped with several heat exchange fins 6, heat exchange enhancing support component 7 is equipped between adjacent heat exchange fin 6, be located at 3 outside of flat tube of most both sides heat exchange fin 6 it Between by uniform heat exchange structure 8 be connected；By the way that heat exchange enhancing support component is arranged between heat exchange fin, it can not only enhance and change The mechanical strength of hot fin, while whole heat exchange area is increased, improve the coefficient of heat transfer of heat exchanger, and the heat exchange in outside Fin is connected by uniform heat exchange structure so that each heat exchange fin coefficient of heat transfer of equipment is almost the same, improves equipment Stability.

As shown in Fig. 2, heat exchange enhancing support component 7 includes multiple polygon aluminiums 71 being set between heat exchange fin 6, Multiple polygon aluminiums 71 are sequentially connected.

Wherein, polygon aluminium 71 is regular polygon aluminium, and the center of polygon aluminium 71 has heat exchange gas channel 72, The plane of regular polygon aluminium and the side of heat exchange fin 6 are welded to connect, and have higher mechanical strength, while can enhance sky Gas convection current, further increases heat exchange property.

Specifically, uniform heat exchange structure 8 includes the arc aluminum heat conducting plate 81 that the heat exchange fin 6 in outside is connected；Uniformly The outside of heat exchange structure 8 is equipped with protect-ing frame structure 82, and protect-ing frame structure 82 covers at the outside of uniform heat exchange structure 8, protect-ing frame structure 82 Both ends be connected respectively with the first header 1 and the second header 2.Protect-ing frame structure can prevent arc aluminum heat conducting plate by broken It is bad, improve the stability of equipment.

As shown in Figure 3, Figure 4, in order to enable pull slot is preferably bonded with channel, pull slot 9 includes flexible gold Belong to thin slice 91, the shape of sheet metal 91 is consistent with the bottom shape in channel 31.One end of pull slot 9 is equipped with vertically downward Limiting plate 92, limiting plate 92 is set to the outside of 31 higher end of channel, and limiting plate 92 is equipped with pull plate 93.Pull slot energy The refrigerant flowing in flat tube is enough guided, and pull plate can be taken out to and be removed remaining refrigerant after a period of use, is improved The heat exchange efficiency of equipment.

In order to save space, pull plate 93 is arc spring lamination, and arc spring lamination fits in limiting plate 92 when being squeezed by external force Surface, arc spring lamination are in outwardly convex when not squeezed by external force.

As shown in figure 5, the bottom in channel 31 is arcwall face, pull slot 9 is set on arcwall face.Channel 31 be obliquely installed in The pull slot 9 for drain is equipped in flat tube 3, in channel 31, the side wall in channel 31 offers at least one expansion chute 32, expands stream The side wall of slot is arcuate structure 33.

Further, 31 both sides of channel offer 2 expansion chutes 32, and expansion chute 32 is arc groove body, and expanding chute can be with Increase the flow of refrigerant, while also increasing the contact area of refrigerant and vias inner walls, heat exchange efficiency can be improved.In order to reduce Refrigerant is remained and is condensed in channel, and the angle of inclination in channel 31 is 10~30 °, and non-condensing refrigerant can be promoted to make in gravity With lower landing.

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 the first header 1, the second header 2, flat tube 3, channel 31, first interface 4, is used more herein Two interfaces 5, heat exchange enhancing support component 7, uniform heat exchange structure 8, expand chute 32, arcuate structure 33, polygon at heat exchange fin 6 Aluminium 71, heat exchange gas channel 72, arc aluminum heat conducting plate 81, protect-ing frame structure 82, pull slot 9, sheet metal 91, limiting plate 92, Pull plate 93.Equal terms, but it does not preclude the possibility of using other terms.The use of these items is only for more easily The essence for describing and explaining the utility model, is construed as any one of the additional limitations all and is and the spirit of the present invention It disagrees.

Claims (7)

1. a kind of efficient micro-channel heat exchanger, including the first header (1) and the second header (2), first header (1) parallel between the second header (2) to be equipped with multiple flat tubes (3), there is multiple and the first header in the flat tube (3) (1) channel (31) being connected with the second header (2) is equipped with the first header (1) between the flat tube (3) and is equipped with the One interface (4) and second interface (5), which is characterized in that the flat tube (3) is equipped with several heat exchange fins (6), and adjacent changes It is equipped with heat exchange enhancing support component (7) between hot fin (6), is located between the heat exchange fin (6) on the outside of the flat tube (3) of most both sides It is connected by uniform heat exchange structure (8).

2. efficient micro-channel heat exchanger according to claim 1, it is characterised in that：The heat exchange enhances support component (7) include multiple polygon aluminiums (71) being set between heat exchange fin (6), multiple polygon aluminiums (71) are sequentially connected.

3. efficient micro-channel heat exchanger according to claim 2, it is characterised in that：The polygon aluminium (71) is just The center of polygon aluminium, the polygon aluminium (71) has heat exchange gas channel (72).

4. efficient micro-channel heat exchanger according to claim 3, it is characterised in that：The plane of the regular polygon aluminium It is welded to connect with the side of heat exchange fin (6).

5. efficient micro-channel heat exchanger according to claim 1, it is characterised in that：Uniform heat exchange structure (8) packet Include the arc aluminum heat conducting plate (81) that the heat exchange fin (6) in outside is connected.

6. efficient micro-channel heat exchanger according to claim 5, it is characterised in that：The uniform heat exchange structure (8) Outside is equipped with protect-ing frame structure (82).

7. efficient micro-channel heat exchanger according to claim 6, it is characterised in that：The protect-ing frame structure (82) covers at The outside of uniform heat exchange structure (8), the both ends of the protect-ing frame structure (82) respectively with the first header (1) and the second header (2) it is connected.