Micro-channel parallel flow evaporator

A micro-channel, parallel flow technology, applied in evaporators/condensers, refrigeration components, refrigerators, etc., can solve the problems of increased experimental and simulation analysis workload, many adjustment parameters, complex structure, etc., to improve refrigeration capacity and The effect of uniformity of air temperature distribution, uniform pressure distribution and uniform pressure field distribution

Active Publication Date: 2011-08-03
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
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Problems solved by technology

However, through analysis, it is found that the first type is easy to generate a negative pressure zone at the inlet of the liquid collector, which leads to the backflow of the refrigerant in the first few flat tubes. The second type is too complicated in structure and has too many adjustment parameters, resulting in a large number of experiments and simulations. Analytical workload, category III not applicable on single-row microchannel parallel flow evaporators

Method used

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  • Micro-channel parallel flow evaporator
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  • Micro-channel parallel flow evaporator

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Embodiment 1

[0025] Such as figure 1 As shown, this embodiment includes: an upper liquid collection pipe assembly 1, several evenly arranged flat pipes 2, two end caps 3 and a lower liquid collection pipe 4, wherein: the two end faces of the upper liquid collection pipe assembly 1 are respectively connected to The two end caps 3 are connected, the top of the upper liquid collecting pipe assembly 1 is connected with a device containing refrigerant, and the two ends of each flat tube 2 are respectively connected with the bottom of the upper liquid collecting pipe assembly 1 and the lower liquid collecting pipe 4 .

[0026] The upper liquid collection pipe assembly 1 includes: a refrigerant distribution pipe 6 and an upper liquid collection pipe main board 7, wherein: the refrigerant distribution pipe 6 is connected to the upper liquid collection pipe main board 7, and the top of the refrigerant distribution pipe 6 is connected to the inner The refrigerant device is connected, and the bottom ...

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Abstract

The invention discloses a micro-channel parallel flow evaporator, which relates to the technical field of air conditioning systems. The micro-channel parallel flow evaporator comprises an upper liquid collection tube component, a plurality of flat tubes arrayed uniformly, two end covers and a lower liquid collection tube, wherein two end surfaces of the upper liquid collection tube component are connected with the two end covers respectively, and two ends of each flat tube are connected with the bottom of the upper liquid collection tube component and the lower liquid collection tube respectively. By the invention, the uniform flowing of a refrigerant into each flat tube is guaranteed, the refrigerating capability and the air outlet temperature distribution uniformity of the evaporator are improved, the efficiency is improved, and the comfortableness is also improved.

Description

technical field [0001] The invention relates to a device in the technical field of air conditioning systems, in particular to a microchannel parallel flow evaporator. Background technique [0002] my country has now developed into the world's second largest consumer market for refrigeration and air-conditioning equipment and the largest producer. The refrigeration and air-conditioning industry has become an important part of my country's national economy. However, looking at the status quo of global economic and social development, today's refrigeration and air-conditioning industry is facing huge challenges and pressures in terms of energy conservation and environmental protection. The heat exchanger is an important part of the refrigeration and air-conditioning system. The four major components of the refrigeration and air-conditioning system are compressors, expansion valves, condensers and evaporators, and the two major components are heat exchangers. Therefore, the per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B39/02
Inventor 陈江平施骏业
Owner SHANGHAI JIAO TONG UNIV
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