Temperature control system for high-precision pressure-resistant gas

A temperature control system and high-precision technology, applied in thermometers, thermometer testing/calibration, measuring devices, etc., can solve problems such as inability to withstand pressure, temperature uniformity cannot reach ±1°C, and gas temperature cannot be truly displayed. The effect of withstand voltage requirements, improving stability and high efficiency

Inactive Publication Date: 2019-01-15
芜湖天航装备技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The existing technology has the following disadvantages: 1. The temperature measurement accuracy and temperature control requirements cannot meet the product process requirements; 2. The same c

Method used

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  • Temperature control system for high-precision pressure-resistant gas
  • Temperature control system for high-precision pressure-resistant gas
  • Temperature control system for high-precision pressure-resistant gas

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[0022] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further explained below.

[0023] Such as Figure 1 to Figure 3 As shown, a high-precision pressure-resistant gas temperature control system includes a box body 1, a universal wheel 2 installed at the bottom of the box body 1, and a heating chamber 3 through which compressed gas is introduced and heated. The test cavity 4 where the test piece is installed, the heating cavity 3 and the test cavity 4 are connected by a pipe, and the box body 1 is provided with a control system 5 connected to the heating cavity 3 and the test cavity 4.

[0024] The heating chamber 3, the test chamber 4, and the pipe are all wrapped with an insulation layer 6, which is made of asbestos material and has a thickness of not less than 50mm.

[0025] The heating chamber 3 includes a heating box 31 in which an electric heating element 32 connected to...

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Abstract

The invention relates to a temperature control system for the high-precision pressure-resistant gas, which comprises a box body, universal wheels arranged at the bottom of the box body. A heating chamber and a testing chamber are provided inside the box body, wherein the heating chamber is used for inletting and heating the compressed gas, and the testing chamber is used for arranging devices to-be- tested. The heating chamber is connected to the testing by pipes. The box body is provided with a control cabinet, which is connected to the heating chamber and the testing chamber. The heating chamber comprises a heating box. An electric heating element, which is connected to the control cabinet through a junction box, is arranged inside the heating box. The heating box is connected to an interface, which pass through the box body. The testing chamber comprises a heat preservation box, the heat preservation box is connected to an outlet regulating valve located outside the box body, and amounting hole connect to the devices to-be-tested is arranged at the top of the heat preservation box. According to the temperature control system for the high-precision pressure-resistant gas, whichadopts a design that separates the heating chamber from the testing chamber, to achieve the purpose of testing the true gas temperature, thereby meeting the requirements of high-precision of +/-1 DEGC in the temperature control and the temperature measurement; and further meeting the requirements of the withstand voltage; and improving the stability and efficiency of the adjustment of the temperature sensor.

Description

Technical field [0001] The invention relates to the technical field of gas temperature control, in particular to a high-precision pressure-resistant gas temperature control system. Background technique [0002] As we all know, the types of parts and components on the aerospace aircraft are complicated and the structure is complicated. As one of the important parts of the aircraft, the temperature sensor is very important to the aircraft's flight safety at high altitude. Therefore, the temperature sensor needs to be tested. [0003] At present, the temperature sensor as the test piece is generally tested by dry well furnace equipment. Compressed air is entered from the equipment inlet to the equipment cavity, and the pressure is adjusted by the pressure regulating valve to the pressure value required by the product, and then the heating control box power supply is turned on. The air is heated and heated to the specified value as required. The product is adjusted according to the tem...

Claims

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Application Information

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IPC IPC(8): G01K15/00
CPCG01K15/002G01K15/007
Inventor 兰朝辉李文杰吴小路陈为贵
Owner 芜湖天航装备技术有限公司
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