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High-pressure hydrogen fatigue test environmental chamber for workpieces

A high-pressure hydrogen and fatigue testing technology, applied in the testing of mechanical components, testing of machine/structural components, measuring devices, etc., to achieve the effect of simple structure and reasonable design

Pending Publication Date: 2020-07-24
MAXIMATOR SHANGHAI FLUID ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the environmental chambers on the market can only provide high and low temperature environments, and there are no protective measures for physical explosions of key components.

Method used

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  • High-pressure hydrogen fatigue test environmental chamber for workpieces
  • High-pressure hydrogen fatigue test environmental chamber for workpieces
  • High-pressure hydrogen fatigue test environmental chamber for workpieces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] An environmental chamber for high-pressure hydrogen fatigue testing of key parts, which includes an environmental chamber 1 and a host 2, the environmental chamber 1 is located in an explosion-proof area, and the host 2 is located in a non-explosion-proof area; the environmental chamber 1 is vertically A partition 1-1 is provided, and the partition 1-1 is fixedly connected with the environmental cabin 1, and the interior of the environmental cabin 1 is divided into an environmental chamber 1-2 and a temperature control room 1-3, and the upper part of the partition 1-1 is provided with The circulating air outlet is provided with a circulating air inlet at the lower part, and the environmental chamber 1-2 and the temperature control room 1-3 are respectively connected through the circulating air outlet and the circulating air inlet to form a circulating air duct. The temperature control room 1-3 is composed of A forced circulation device 3, a heat exchanger 4, and an evapo...

Embodiment 2

[0053] A hydrogen storage bottle high-pressure hydrogen fatigue test environment cabin, on the basis of embodiment 1, further said host 2 also includes a humidifier 2-10, and the humidifier 2-10 is connected to the environment cabin body 1 through a pipeline to form a humidification system, The environmental cabin 1 is also provided with a water vapor outlet, which communicates with the temperature control room and is located below the forced circulation device 3; the evaporator is equipped with a number of dehumidification pipes to form a dehumidification system. A water receiving tray is also installed in the temperature control room, and the water receiving tray is located below the evaporator; preferably, the humidifier 2-10 is an external stainless steel boiler humidifier; the host 2 also includes an operating system 2-9, the A temperature sensor and a humidity control sensor are also installed in front of the air outlet. The operating system 2-9 controls and connects the ...

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Abstract

The invention relates to a high-pressure hydrogen fatigue test environmental chamber for workpieces. The environmental chamber comprises an environmental chamber body and a mainframe, wherein a partition board is vertically arranged in the environmental chamber body and divides the environmental chamber body into an environmental chamber and a temperature control chamber, and a forced circulationdevice, a heat exchanger and an evaporator are sequentially mounted in the temperature control chamber from top to bottom; the mainframe comprises a liquid storage tank, a compression device, a firstcondensation device, an expansion valve, a heating oil tank, a heater and a circulating oil pump; the liquid storage tank is connected with the compression device through a pipeline, the compression device is connected with the first condensation device through a pipeline, the first condensation device is connected with the expansion valve through a pipeline, the expansion valve is connected withthe evaporator through a pipeline, and the evaporator is connected with the liquid storage tank through a pipeline; and the heating oil tank is connected with the circulating oil pump through a pipeline, the circulating oil pump is connected with the heat exchanger through a pipeline, the heat exchanger is connected with the heating oil tank through a pipeline, and the heater is mounted in the heating oil tank. The physical explosion protection and high and low temperature wet environment can be provided for high-pressure hydrogen charging and discharging fatigue test of the workpieces.

Description

technical field [0001] The invention relates to the field of gas physical explosion protection and environmental chambers, in particular to an environmental chamber for high-pressure hydrogen fatigue testing of workpieces. Background technique [0002] The test of the workpiece (vehicle high-pressure hydrogen storage bottle or vehicle-mounted high-voltage key components) is a high-pressure hydrogen inflation and deflation fatigue test in a high-low temperature environment. During the test, there is a risk of physical explosion of the hydrogen storage bottle or key components. The environmental chambers currently available on the market can only provide high and low temperature environments, and there are no protective measures for key components in case of physical explosion. Therefore, there is a special need for an environmental chamber that can provide both high and low temperature environments and safe physical explosion protection. Contents of the invention [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G05D27/02F25B29/00
CPCF25B29/003G01M13/00G05D27/02
Inventor 杨晓明姜之颖戴和新
Owner MAXIMATOR SHANGHAI FLUID ENG
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