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Heat exchange efficiency test platform and test method of air-water heat exchanger

A technology of water heat exchanger and test platform, which is applied in the testing of machines/structural components, calorimeters, instruments, etc., and can solve problems such as increasing the difficulty of changing thermal design

Inactive Publication Date: 2014-06-11
ZHEJIANG HAIDE NEW ENERGY
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  • Abstract
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AI Technical Summary

Problems solved by technology

Since the heat transfer efficiency of the air-water heat exchanger is related to the wind speed of the air duct and the flow rate of the coolant in the air-water heat exchanger, once the internal temperature of the thermal design environment of the whole machine does not meet the design requirements, it is difficult to determine whether it is caused by the insufficient heat transfer efficiency of the heat exchanger , increasing the difficulty of thermal design changes

Method used

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  • Heat exchange efficiency test platform and test method of air-water heat exchanger
  • Heat exchange efficiency test platform and test method of air-water heat exchanger

Examples

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Embodiment Construction

[0011] Such as figure 1 , an air-water heat exchanger heat exchange efficiency test platform: the air-water heat exchanger test platform is an air-water heat exchanger, a heat source, and a fan from top to bottom; the air-water heat exchanger The water outlet is circulated through the water circuit, and the water circuit is connected to the air-water heat exchanger through the water inlet of the air-water heat exchanger.

[0012] A method for testing the heat transfer efficiency of an air-to-water heat exchanger

[0013] Step 1: Build an air-water heat exchanger heat exchange test platform. The heating power of the heat source is equal to the rated power of the air-water heat exchanger; the fan sends the heat of the heat source to the air-water heat exchanger, and the cooling liquid passes through the air-water heat exchange The amount is brought to the water circuit and dissipated, so that cold water flows into the water-intake heat exchanger, and hot water flows...

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Abstract

Disclosed is a heat exchange efficiency test platform of an air-water heat exchanger. The air-water heat exchanger test platform successively comprises an air-water heat exchanger, a heat source and a blower fan from the top to the bottom. The water outlet of the air-water heat exchanger is connected with a waterway circulating part, and the waterway circulating part is connected with the air-water heat exchanger through the water inlet of the air-water heat exchanger. According to the invention, the heat exchange efficiency of the air-water heat exchanger is tested through the establishment of the test platform so that a proper air-water heat exchanger is selected to satisfy design requirements, and the design quality of the correlation air channels of the air-water heat exchanger can be determined during a whole machine heat test process.

Description

technical field [0001] The invention relates to a test platform and a test method for the heat exchange efficiency of an air-water heat exchanger. technical background [0002] At present, wind power converters use air-water heat exchangers to absorb the heat radiated from the components in the whole machine to the air in the cabinets. Whether the air-water heat exchangers meet the standard mainly tests whether the ambient air temperature meets the design requirements. Since the heat transfer efficiency of the air-water heat exchanger is related to the wind speed of the air duct and the flow rate of the coolant in the air-water heat exchanger, once the internal temperature of the thermal design environment of the whole machine does not meet the design requirements, it is difficult to determine whether it is caused by the insufficient heat transfer efficiency of the heat exchanger , increasing the difficulty of thermal design changes. Contents of the invention [0003] The...

Claims

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Application Information

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IPC IPC(8): G01M99/00G01K17/10G01K17/08
Inventor 唐立涛杨华
Owner ZHEJIANG HAIDE NEW ENERGY
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