Overlaid type heat exchanger

Abstract

The invention relates to an overlaid type heat exchanger. The overlaid type heat exchanger comprises an upper cover plate and a lower cover plate which are vertically symmetrically arranged; a plurality of heat exchange channels are arranged between the upper cover plate and the lower cover plat; every heat exchange channel is composed of a first chip abutting against the upper cover plate, and a third chip abutting against the lower cover plate, a plurality of mutually-abutting second chips are arranged between the first chip and the third chip, closed cavities formed between every two neighboring second chips which are opposite to each other are provided with first fins, closed cavities formed between every two neighboring second chips which back to each other are provided with second fins, and the outer rim of every second fin is provided with a sealing stripe. The overlaid type heat exchanger is simple in structure and convenient to use; the first chips, the second chips and the third chips are provided with countersinks, and the second chips are arranged in opposite and back modes to form the closed cavities for mounting the first fins and the second fins, the countersinks can ensure the sealing property of the neighboring closed cavities to prevent fluid mediums from flowing into other runners and further to improve the loading capacity of the heat exchanger.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to a stacked heat exchanger. Background technique [0002] At present, the cross-sectional structure of the core body in the existing heat exchanger is as follows: figure 1 As shown, the interior of the core includes an upper partition 102 and a lower partition 101 arranged adjacently, and the upper partition 102 and the lower partition 101 are bent to form a first bending section 107 and a second bending section 108 , the upper partition 102 and the lower partition 101 adjacent to each other are closed and connected at the first bent section 107 provided upwards, so that the upper partition 102 and the lower partition 101 are formed for placing the first fins 105 At the same time, the upper partition 102 and the lower partition 101 that are adjacent to each other are closed and connected at the second bending section 108 bent downward, so that the upper partition 102 and the lower p...

AI Technical Summary

Problems solved by technology

like figure 1 As shown, the above-mentioned first cavity 103 and second cavity 104 make the core body have poor pressure bearing capacity and poor structural strength, and part of the fluid will not pass through the first fin 105 or the second fin 106 during the working process. It will circulate from the first cavity 103 or the second cavity 104, thus causing the problem of poor heat exchange efficiency

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