Flat pipe and heat exchanger with same
A technology for heat exchangers and flat tubes, applied in the field of flat tubes and heat exchangers using the flat tubes, can solve problems such as solder loss, difficulty in ensuring welding strength, leakage, etc., achieve sufficient heat exchange, improved heat exchange performance, The effect of improving uniformity
Pending Publication Date: 2018-06-29
ZHEJIANG YINLUN MACHINERY
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Problems solved by technology
Due to the double-fold connection at both ends of this design, the middle connection area is relatively large, and the solder far away from the tube body is difficult to attach to the tube body or the main board, which is easy to cause the loss of solder, so it is difficult to guarantee the welding strength, especially when the inner side of the flat tube uses a refrigerant medium At this time, the refrigerant inside the flat tube is in a high pressure state, which is easy to cause leakage
Method used
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Embodiment Construction
[0029] refer to figure 1 , a heat exchanger flat tube of the present invention includes a shell 21 and fins 15 arranged in the shell 21 .
[0030] combine figure 2 , the shell 21 is formed by bending and folding a flat plate, has a pair of first main side wall 10 and second main side wall 9 parallel to each other, and a connecting first main side wall 10 and second main side wall 9 Secondary side wall 13; the first main side wall 10 includes a first half wall 11 with a first end 11a and a second half wall 12 with a second end 12a, and the first half wall 11 is a flat plate structure as a whole The body 12c of the second half-wall and the second end 12a are flat plate structures respectively, the body 12c of the second half-wall is in the same plane as the first half-wall 11, and the body 12c of the second half-wall passes through to The inner bent portion 12b is connected to the second end portion 12a; the second end portion 12a is overlapped with the first end portion 11a....
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The invention discloses a heat exchanger flat pipe which comprises a shell and fins arranged in the shell. The shell is formed by bending and folding a flat plate and provided with a first main side wall and a second main side wall parallel to the first main side wall. The first main side wall comprises a first half wall body with a first end and a second half wall body with a second end, and thefirst half wall body is integrally of a flat plate structure. The main body and the second end of the second half wall body are both of a flat plate structure. The main body of the second half wall body and the first half wall body are located in the same plane, and the main body of the second half wall body is connected with the second end through an inward bent part. The second end and the firstend are in butt joint. The effective heat exchange area is large, the heat exchange performance is improved, temperature uniformity can be improved advantageously, a right-angled triangle area is formed at the butt joint position, the pipe wall firmly sucks welding fluid molten in the triangle area, and thus welding reliability is ensured.
Description
technical field [0001] The invention relates to the field of heat exchangers, in particular to the field of heat exchangers for automobile air-conditioning systems, in particular to a flat tube and a heat exchanger using the flat tube. Background technique [0002] Automobile air-conditioning heat exchanger is an important part of the automobile air-conditioning system, and the performance of the heat exchanger directly affects the performance of the air-conditioning system. The heat transfer and resistance performance of the automotive air-conditioning heat exchanger directly affect the performance of the overall air-conditioning system. At the same time, its volume directly determines the volume of the entire air-conditioning system. Therefore, the optimal design of the heat exchanger can not only effectively improve the performance of the air-conditioning system, but also improve the performance of the air-conditioning system. Compactness of vehicle assembly. At present,...
Claims
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IPC IPC(8): F28F1/40F25B39/00
CPCF28F1/40F25B39/00F25B2500/09
Inventor 丁天毅
Owner ZHEJIANG YINLUN MACHINERY