Heat exchanger fins and heat exchangers
A heat exchanger and fin technology, applied in heat exchange equipment, lighting and heating equipment, tubular elements, etc., can solve the problems of smaller flow area, increased wind resistance, and lower overall performance of fins, so as to improve overall performance , reduce the wind resistance of fins, and balance the effect of heat transfer performance
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Embodiment 1
[0029] This preferred embodiment provides a heat exchanger fin. Such as figure 1 and figure 2 As shown, the fin 1 includes a connected fin body 11 and a fin edge 12, the fin body 11 is provided with a flat tube groove 111 for passing through the flat tube 2, and the fin body 11 and / or the fin edge A support 101 is protrudingly provided on the surface of 12 . The support member 101 is in the shape of an arch bridge, and opening structures are provided on both sides of the support member 101 , and the opening structures form the wind passage 102 along the surface of the fin 1 .
[0030] The wind passing channel 102 formed between the support member 101 and the surface of the fin 1 is beneficial to reduce the wind resistance of the fin, the comprehensive performance of the fin 1 is further improved, and the noise generated when the wind flows through the fin 1 is reduced.
[0031] A plurality of arched fin bridges 112 are arranged on the fin body 11 . Opening structures are ...
Embodiment 2
[0037] This preferred embodiment provides a heat exchanger fin whose structure is basically the same as that of the first preferred embodiment. The fin includes a connected fin body and a fin edge, the fin body is provided with a flat tube groove for passing through a flat tube, and a support member is protrudingly provided on the surface of the fin body and / or the fin edge , the supporting member is in the shape of an arch bridge, and opening structures are arranged on both sides of the supporting member, and the opening structures form air passages along the surface of the fins.
[0038] The difference is that no other structures (fin bridges, corrugated protrusions, ribs, etc.) Fin wind resistance.
Embodiment 3
[0040] This preferred embodiment provides a heat exchanger. Such as image 3 and Figure 4 As shown, the heat exchanger includes a plurality of flat tubes 2 and a plurality of fins 1 as described in the preferred embodiment 1 or 2, and the flat tubes 2 are snapped into the flat tube grooves 111 .
[0041] The supporting piece separates two adjacent fins at a certain distance to ensure that there is enough wind to flow through the fins, and avoid serious performance attenuation of the whole machine due to condensation and frost.
[0042] Each fin 1 is sequentially stacked forward to form a fin group, and a plurality of flat tubes 2 are respectively snapped into the flat tube grooves 111 of the fin group, and the distance between the fins is equal to the height of the support; or, the plurality of fins 1. The fin group is formed by stacking forward and reverse in sequence, and a plurality of flat tubes 2 are respectively snapped into the flat tube grooves 111 of the fin group....
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