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Flat tube fin penetrating type micro-channel evaporator for direct-cooling refrigerator

A direct-cooling refrigerator and micro-channel technology, applied in the field of heat exchange, can solve the problems of unfavorable defrosting and drainage, poor application of refrigerator air ducts, etc., and achieve the effect of less pipe material usage, convenient assembly, and less filling volume

Inactive Publication Date: 2015-08-26
JIANGSU QIJIANG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, all the flat tubes of the heat exchanger in this technology are connected to and pass through the same heat exchange fin. This design cannot be well applied to refrigerator air ducts with special structures, and for refrigerator evaporators with relatively frequent frosting, The heat exchange fins are made as a whole, which is not conducive to defrosting and drainage

Method used

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  • Flat tube fin penetrating type micro-channel evaporator for direct-cooling refrigerator
  • Flat tube fin penetrating type micro-channel evaporator for direct-cooling refrigerator
  • Flat tube fin penetrating type micro-channel evaporator for direct-cooling refrigerator

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Embodiment 1

[0025] Such as figure 1 As shown in -4, this embodiment includes: microchannel flat tube 1, rectangular heat sink 2, wherein: the center of the rectangular heat sink 2 has a hole 3 with the same shape and cross-sectional area as the flat tube 1, and the microchannel flat tube 1 vertically passes through the hole 3 in the center of the rectangular heat sink, especially the different layers and different rows of flat tubes 1 pass through independent heat sinks 2, and the heat sinks are not connected together. This design makes the evaporator more suitable for the refrigerator air duct with special structure when it is twisted and installed, and it is easier to defrost and drain water.

[0026] During processing, the aluminum strip with good thermal conductivity is stamped into heat-exchanging rectangular heat sinks 1, and rectangular holes 3 with an area slightly larger than the microchannel flat tube are punched out at equidistant positions on it, and the rectangular heat sinks...

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Abstract

The invention discloses a flat tube fin penetrating type micro-channel evaporator for a direct-cooling refrigerator, and belongs to the field of heat exchange. The evaporator comprises a micro-channel flat tube and a plurality of rectangular radiating fins arranged on the micro-channel flat tube, the rectangular radiating fins are mutually parallel and equally spaced, through holes are formed in the rectangular radiating fins, and the sectional shape of each through hole is matched with that of the micro-channel flat tube, so that the micro-channel flat tube axially penetrates the rectangular radiating fins. By the aid of the phase change of refrigerants, radiating efficiency is improved, and the heat exchange area of the evaporator is enlarged by the aid of the easily bending performance of the aluminum micro-channel flat tube. The evaporator is fine in heat exchange effect and simple to manufacture.

Description

technical field [0001] The invention relates to a technology in the field of heat exchange, in particular to a flat tube through-sheet microchannel evaporator for a direct cooling refrigerator. Background technique [0002] In recent years, the awareness of energy conservation and environmental protection in the refrigeration industry at home and abroad has increased, and the application of micro-channel heat exchangers in the refrigeration industry has attracted more and more attention. The evaporator is an important part of the refrigeration system of the refrigerator, and the improvement of its performance is of great help to the improvement of the performance of the entire system of the refrigerator. The development of a high-efficiency refrigerator evaporator is not only related to the overall operating performance of the refrigerator, but also related to the manufacturing cost of the refrigerator. The development of a refrigerator heat exchanger with good process perfo...

Claims

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Application Information

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IPC IPC(8): F25B39/02
CPCF25B39/02F25B2339/0242
Inventor 陈江平张成全朱宇骁陈晓宁
Owner JIANGSU QIJIANG IND
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