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Superfine pipeline heat exchanger with different inserting depth branch pipes

A technology with different insertion depths, applied to heat exchange equipment, heat exchanger shells, indirect heat exchangers, etc., can solve the problems of reducing evaporator efficiency, gas-liquid can not be evenly divided, and achieve the effect of improving efficiency

Inactive Publication Date: 2008-07-02
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing heat exchanger with this structure will have the following problems: the efficiency of the evaporator will be reduced because the gas-liquid cannot be divided evenly

Method used

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  • Superfine pipeline heat exchanger with different inserting depth branch pipes
  • Superfine pipeline heat exchanger with different inserting depth branch pipes
  • Superfine pipeline heat exchanger with different inserting depth branch pipes

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Experimental program
Comparison scheme
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Embodiment Construction

[0026] Figure 5 It is a side sectional view of the state in which the insertion depth of the branch pipe is made different in the present invention.

[0027] Such as Figure 5 As shown, the insertion depths B, B', and B" of the branch pipes are different. The insertion depth B of the above-mentioned refrigerant pipe is relatively deep at the upstream of the fluid flow inside the header. Along the forward direction of the refrigerant flow, the insertion depth B', B" gradually become smaller.

[0028] That is, from the perspective of the relationship between B, B', and B", the relational expression of B

[0029] The channel in the present invention changes the flow direction of the refrigerant up / down repeatedly through partitioning. In this channel of the present invention, the evaporation of the refrigerant can be realized through the above-mentioned process of repeatedly changing up / down and moving. . According to the characteristics of fluid flow, ...

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Abstract

This invention relates to a kind of branch pipe insert structure in the header of the heat exchanger. It can adjust the distribution of the refrigerant according to the aridity of fluid. This invention provides a kind of superfine heat exchanger that the insert depth of the branch pipe is different. It comprises hollow level header that the refrigerant can flow through, several refrigerant tubes insert in the level header, so it can distribute the refrigerant that flow in the level header. Partitions are set between the vertical refrigerant tubes in the level header; they can change the flow direction of the refrigerant. Using this invention, we can get the following effect: the refrigerant can flow uniformly according to the aridity of the fluid in the heat exchanger by adjusting the depth of the branch pipe that insert in the header. Another effect of this invention is that it can most raise the efficiency of the heat exchanger.

Description

technical field [0001] The invention relates to a branch pipe insertion structure in a header pipe in a micro channel heat exchanger (Micro Channel HeatExchanger). The invention can adjust the distribution of refrigerant according to the dryness of fluid. Background technique [0002] Generally, heat exchangers are used in air conditioners such as air conditioners or heaters that raise or lower the indoor temperature. figure 1 is a side view of the appearance of the heat exchanger, figure 2 It is an exploded view of each component structure of the heat exchanger, image 3 for figure 2 Sectional view of the branch pipe in . [0003] Referring to the above drawings, it can be seen that the existing heat exchanger is composed of the following parts, namely: the upper header 2 located above the corresponding lower header 1; several branch pipes 3; needles 6 formed between the above respective branch pipes 3. Generally speaking, in order to improve the heat exchange effici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D1/02F28F9/22F24F13/30
Inventor WU SHIJIWU SHIYUN
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD