A heat exchanger

一种热交换器、散热片的技术，应用在热交换设备、换热器类型、换热器外壳等方向，能够解决热交换器结构复杂、热交换性能下降、温度分布不均匀等问题，达到提高热交换性能、改善流动、容易设计和制造的效果

Active Publication Date: 2010-12-08
HANON SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if one communication hole is formed at one tube, the structure of the heat exchanger is complicated due to the number of holes, and the manufacturing cost increases
Also, since a dead zone is likely to be generated due to non-uniformity of refrigerant flow, the temperature distribution is non-uniform, thereby degrading heat exchange performance
Also, it is inconvenient since the communication hole should be redesigned according to the specifications of the heat sink
Also, since a communication hole is formed at each tube, the durability is greatly reduced

Method used

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Embodiment Construction

[0052] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0053] Figure 4 is a view showing the structure of the communication hole in the heat exchanger according to the present invention, wherein, Figure 4 A shows the structure of the communication hole according to the first embodiment of the present invention, Figure 4 B shows the structure of the communication hole according to the second embodiment of the present invention, Figure 4 C shows the structure of the communication hole according to the second embodiment of the present invention. As mentioned above, the heat exchanger switches the phase of the refrigerant through heat exchange (from liquid to gas in the evaporator and from gas to liquid in the condenser) and then discharges the refrigerant. In order to perform heat exchange efficiently, it is preferable that the core (ie, the portion including the tubes and fins) has a uniform temp...

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Abstract

The present invention relates to a heat exchanger. The heat exchanger comprises a pair of header-tanks 10 having at least one partition wall 11 and at least one baffle 12; a plurality of tubes 20; and a plurality of fins 30, wherein a communication hole 15 is formed on the partition wall 11 that is positioned at a region disposed between the baffle 12 and one edge of the header- tank 10 adjacent to the baffle 12, and assuming that a distance from the baffle 12 to the one edge of the header- tank 10 is 100%, 1 - 4 communication holes 15 are formed at positions on the partition wall 11 which corresponds to an extent of 0-50%, 65-100%, or an extent of 0-50% and an extent of 65-100%.

Description

technical field [0001] The present invention relates to a heat exchanger, and more particularly to a heat exchanger capable of optimizing the position and size of a communication hole for changing a flow path in the heat exchanger. Background technique [0002] In the automobile industry, with the general increase in energy and the environment, the efficiency of various parts including fuel efficiency has been steadily improved, and the appearance of vehicles has also been diversified to meet the various needs of consumers. According to this trend, research and development have been conducted on lighter weight, smaller size, and multifunctionality of various vehicle components. Specifically, in the air conditioning unit for a vehicle, since it is generally difficult to secure a sufficient space in the engine room, efforts have been made to manufacture a heat exchange system having a small size and high efficiency. [0003] Meanwhile, the heat exchange system generally inclu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F9/00
CPCF28D1/05391F28F2250/04F28F9/0204F28D2021/0085F28F9/00F28F9/02
Inventor 吴光宪林弘永全永夏
Owner HANON SYST
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