Method and device for testing heat dissipation performance of radiator assembly

A heat dissipation performance and heat sink technology, which is applied in the testing of machines/structural components, measuring devices, instruments, etc., can solve problems such as inaccurate heat dissipation performance parameters, achieve the effects of shortening the development cycle, improving accuracy, and reducing development costs

Active Publication Date: 2014-06-25
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of inaccurate parameters used to evaluate the heat dissipation performance of the radiator assembly in the prior art, the embodiment of the present invention provides a test method and device for the heat dissipation performance of the radiator assembly

Method used

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  • Method and device for testing heat dissipation performance of radiator assembly
  • Method and device for testing heat dissipation performance of radiator assembly
  • Method and device for testing heat dissipation performance of radiator assembly

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Experimental program
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Embodiment 1

[0075] as attached figure 1 As shown, the embodiment of the present invention provides a method for testing the heat dissipation performance of a radiator assembly, the radiator assembly has a built-in oil cooler, and the method includes:

[0076] Step 101: Obtain the operating parameters of the radiator assembly under actual vehicle conditions according to the engine and gearbox bench tests, and the operating parameters of the radiator assembly under actual vehicle conditions include at least: the inlet water temperature of the radiator , water flow of radiator, forward air temperature of radiator, air flow of radiator, oil inlet temperature of oil cooler, oil flow of oil cooler.

[0077] Step 102: According to the operating parameters of the radiator assembly under the actual vehicle working conditions, the radiator assembly is subjected to an air duct test to obtain the operating parameters of the air duct experiment of the radiator assembly. The air duct test operating par...

Embodiment 2

[0082] as attached figure 2 As shown, the embodiment of the present invention provides a method for testing the heat dissipation performance of a radiator assembly, the radiator assembly has a built-in oil cooler, and the method includes:

[0083] Step 201: According to the engine and transmission bench test, simulate the real vehicle working condition of the radiator assembly, and obtain the operating parameters of the radiator assembly under the real vehicle working condition: the inlet water temperature of the radiator, the water temperature of the radiator Flow rate, forward air temperature of radiator, air flow rate of radiator, oil inlet temperature of oil cooler, oil flow rate of oil cooler.

[0084] The car is composed of two major assemblies, the engine and the gearbox. The engine and gearbox test bench is a test bench that can fully reflect the actual performance of the whole vehicle. Various operating parameters under vehicle conditions. Since the engine and the ...

Embodiment 3

[0145] as attached Figure 4 As shown, the embodiment of the present invention provides a heat dissipation performance testing device for a radiator assembly, the radiator assembly has a built-in oil cooler, and the device includes:

[0146] The first acquisition module 301 is used to obtain the operating parameters of the radiator assembly under the actual vehicle working conditions according to the engine and gearbox bench tests, and the operating parameters of the radiator assembly under the actual vehicle operating conditions at least include: heat dissipation The water inlet temperature of the radiator, the water flow of the radiator, the forward air temperature of the radiator, the air flow of the radiator, the oil inlet temperature of the oil cooler, and the oil flow of the oil cooler.

[0147] The second acquisition module 302 is used to make the radiator assembly carry out the air duct test according to the operating parameters of the radiator assembly under the actua...

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Abstract

The invention discloses a method and device for testing the heat dissipation performance of a radiator assembly and belongs to the field of performance testing of an automobile cooling system. The method includes the first step of determining operating parameters of the radiator assembly under a real vehicle working condition through an engine and gearbox bench test, the second step of enabling the radiator assembly to simulate the real vehicle working condition to carry out testing on a wind tunnel and determining testing operating parameters of the wind tunnel of the radiator assembly on the premise of the first step, the third step of determining heat dissipation performance parameters of the radiator assembly according to the operating parameters under the real vehicle working condition and the testing operating parameters of the wind tunnel, and the fourth step of comparing the heat dissipation performance parameters with standard heat dissipation performance parameters, and determining that the radiator assembly meets the heat dissipation requirements of an engine and a gearbox if the heat dissipation performance parameters are larger than the standard heat dissipation performance parameters. Through the method and device, the real vehicle working condition can be simulated, and heat dissipation performance testing can be carried out on the radiator assembly with a built-in oil cooler, so operating parameters of the oil cooler and the operating parameters of a radiator can be accurately matched, and the accuracy degree of the heat dissipation performance parameters of the radiator assembly can be improved.

Description

technical field [0001] The invention relates to the field of performance testing of automobile cooling systems, in particular to a method and device for testing the heat dissipation performance of a radiator assembly. Background technique [0002] The radiator assembly with built-in oil cooler (hereinafter referred to as radiator assembly) is an important part in the cooling system of an automobile engine. The radiator assembly circulates water in the radiator and circulates in the oil cooler Oil is used to cool down the engine and gearbox respectively so that they can work at a suitable temperature. During the development of radiator assemblies of different materials and structures, heat dissipation performance tests need to be carried out to obtain parameters for evaluating the heat dissipation performance of the radiator assembly. Compare this parameter with the standard heat dissipation performance parameters of the engine and gearbox heat dissipation requirements. If t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M99/00
Inventor 闫杰峰
Owner CHERY AUTOMOBILE CO LTD
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