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Thermal vacuum test chamber

A technology of thermal vacuum test and evacuation system, used in instruments, measuring devices, scientific instruments, etc., can solve the problems of the speed and sensitivity of the change of cold and heat being not optimal, etc.

Active Publication Date: 2022-07-26
上海吉通力实验设备有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of manufacturing volume, the speed and sensitivity of controlling the change of cold and heat are not optimal

Method used

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Embodiment 1

[0036] see Figure 1 to Figure 6 , a thermal vacuum test box in the present invention includes a tank body 1 fixed on the ground with feet 7, a main heat sink tube with one end open, a cold plate storage table 10, a vacuum pumping system, a temperature adjustment system, an equipment control and monitoring system, Box 11, electrical cabinet 12 with control unit;

[0037] The inner wall of the main heat sink tube is coated with aviation black paint, and the lower part of the main heat sink tube is fixed in the tank body 1 with a bracket 6;

[0038] The cold plate storage platform 10 is connected in the main heat sink by rail 5;

[0039] The temperature adjustment system includes a silicone oil heating pipe welded on the inner wall of the main heat sink, a silicone oil pump set connected with the silicone oil heating pipe and a valve on the heating pipe, a liquid nitrogen cooling pipe welded on the inner wall of the main heat sink, The liquid nitrogen pump group connected with...

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Abstract

The invention relates to the technical field of thermal vacuum test chambers, in particular to a thermal vacuum test chamber. The silicone oil heating pipe adopts a number of first arc-shaped pipes connected in parallel between two parallel first straight pipes, and the tails of the two first straight pipes are bent to form a silicone oil bent pipe portion, and the silicone oil bends The end of the folded tube part penetrates the main heat sink tube, and the tail ends of the two silicone oil folded tube parts located between the main heat sink tube and the tank are merged into the oil inlet manifold, the oil outlet manifold, and the inlet end of the oil inlet manifold respectively. The outlet end of the main oil outlet pipe penetrates the outer wall of the tank and is connected to the inlet and outlet of the silicone oil pump group, and the silicone oil pump group is also provided with a crude oil inlet and outlet. Compared with the prior art, the invention can expand the area of ​​the heat sink as much as possible in a limited tank, improve the efficiency and sensitivity of the heat sink, and ensure the uniformity of temperature.

Description

technical field [0001] The invention relates to the technical field of thermal vacuum test chambers, in particular to a thermal vacuum test chamber. Background technique [0002] The thermal vacuum test chamber is mainly used to create an environment with high vacuum and alternating heat sink temperature to measure the performance of electronic equipment in these environments. [0003] The heat sink tube in the existing tank is generally a circular tube, and black paint is painted on its inner wall to provide a cool black background, simulating a space environment. However, due to the influence of the manufacturing volume, the speed and sensitivity of controlling the change of cold and heat are not optimal. SUMMARY OF THE INVENTION [0004] The purpose of the present invention is to overcome the deficiencies of the prior art, by adopting a heat sink tube with a special structure and supplemented by a silicone oil heating tube and a liquid nitrogen cooling tube that match ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00
CPCG01N17/002
Inventor 周锡渝
Owner 上海吉通力实验设备有限公司
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