Fin-type heat exchanger

Abstract

A fin type heat exchanger includes a plurality of plate shaped fins disposed in spaced parallel; pipe holes formed in the preconcerted space along the length; a pipe bended a plurality of times to insert into the pipe holes; slits formed in row in the preconcerted pattern on the outsiad of the fin. Each fin, whereby there is a first row of slit groups adjacent the air intake side, and a second row of slit groups adjacent the air exhaust side. There are more slits in the first row than in the second row. The slits in the first row have a width greater than the width of the slits disposed in the second row.

Description

technical field [0001] The present invention relates to a finned heat exchanger, in particular to the finned heat exchanger which improves the arrangement of the slits formed on the fins, improves the heat exchange efficiency and reduces the noise. Background technique [0002] The structure of a general fin type heat exchanger includes a tube bent multiple times, and the fins are parallel to each other at predetermined intervals, and the tube passes through the fins. Such a heat exchanger is used in an air conditioner or the like to exchange heat between the outside air passing over the fins and the outer surface of the tubes and the working fluid flowing through the tubes. [0003] The fins receive heat from the tubes, exchanging heat with the surrounding air. That is, the heat from the tube is transferred to the fin, so that the heat transfer area is greatly increased. To further enhance this function, multiple cutouts protrude from the surface of each fin. These cuts ...

AI Technical Summary

Problems solved by technology

Consequently, the air is very unevenly crossed over the surface of the fins 12 in this region, and the large volume of air passing through these two components creates noise.

[0014] Finally, because the slits 14 formed between the tube holes 13a of the first row 12a are located on both sides of the fins 12, the manufacturing process is complicated and the overall manufacturing cost increases.

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