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Condensed water discharge performance testing experiment table for micro-channel evaporator

A technology for testing experiments and evaporators, which is used in the testing of machines/structural components, instruments, measuring devices, etc.

Pending Publication Date: 2018-02-16
TIANJIN UNIV OF COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, there is currently no device that can effectively detect the condensed water discharge performance of the microchannel evaporator, so as to reliably grasp the heat transfer performance of the microchannel evaporator

Method used

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  • Condensed water discharge performance testing experiment table for micro-channel evaporator
  • Condensed water discharge performance testing experiment table for micro-channel evaporator
  • Condensed water discharge performance testing experiment table for micro-channel evaporator

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Embodiment Construction

[0039] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0040] see figure 1 , the present invention provides a condensed water discharge performance test bench for a microchannel evaporator, comprising a compressor 1, the refrigerant outlet at the right end of the compressor 1 passes through an oil separator 2 and the refrigerant inlet at the left end of the condenser 3 connected (through pipelines);

[0041] The refrigerant outlet at the right end of the condenser 3 communicates with the refrigerant inlet at the right end of a thermal expansion valve 6 through a mass flow meter 4 and a solenoid valve 5 (through a pipeline);

[0042] The refrigerant outlet at the left end of the thermal expansion valve 6 communicates with the refrigerant inlet at the lower right end of a microchannel evaporator ...

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Abstract

The invention discloses a condensed water discharge performance testing experiment table for a micro-channel evaporator, and the experiment table comprises a compressor. A refrigerant outlet at the right end of the compressor is communicated with a refrigerant inlet at the left end of a condenser through an oil separator. A refrigerant outlet at the right end of the condenser is communicated witha refrigerant inlet at the right end of a thermostatic expansion valve through a mass flow meter and a solenoid valve. A refrigerant outlet at the left end of the thermostatic expansion valve is communicated with a refrigerant inlet at the lower part of the right end of the micro-channel evaporator through a first stop valve. A refrigerant outlet at the upper part of the right end of the micro-channel evaporator is communicated with a refrigerant inlet at the left end of the compressor through a second stop valve. The micro-channel evaporator is located in a hollow and sealed air channel. Theexperiment table can achieve the effective detection of the discharge performances of condensed water in the micro-channel evaporator, can reliably obtain the heat exchange performances of the micro-channel evaporator, and has the great significance in production and practice.

Description

technical field [0001] The invention relates to the technical field of refrigeration, in particular to a condensed water discharge performance test bench for a microchannel evaporator. Background technique [0002] At present, microchannel heat exchangers have been widely used as condensers, and have the advantages of low overall cost, high efficiency, energy saving, and space saving. The problem is that when the surface temperature of the fins it has is lower than the inlet air dew point temperature of the micro-channel evaporator, condensed water will be generated on the fins. At the same time, since the fins of the micro-channel heat exchanger are mostly louver fins, Its structure is easily blocked by water droplets, resulting in poor discharge capacity of condensed water, and the surface condensation of the micro-channel evaporator will seriously affect the heat transfer effect of the micro-channel evaporator, which will easily cause the heat transfer performance of the ...

Claims

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Application Information

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IPC IPC(8): G01M99/00
CPCG01M99/005G01M99/008
Inventor 陈华段鼎立
Owner TIANJIN UNIV OF COMMERCE
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