Vacuum thermal shock cycle testing machine

A technology of cold and heat shock and cycle test, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., to achieve the effect of wide application range, small footprint and simple structure

Inactive Publication Date: 2018-10-12
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, electromagnetic heating is mostly used for smelting metal or surface quenching, and no

Method used

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  • Vacuum thermal shock cycle testing machine
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  • Vacuum thermal shock cycle testing machine

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Embodiment Construction

[0021] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0022] A vacuum thermal shock cycle testing machine, comprising a sample chamber 22, a control box 18, a heating system, a temperature measuring device and a vacuum system; in the sample chamber, a vacuum chamber frame, a vacuum chamber 4 and a Cooling device 8; the vacuum chamber frame is a hollow cylinder, communicated with the vacuum chamber 4 through the threaded sleeve 3, and the vacuum chamber frame is provided with an air inlet 9 and an air extraction hole 25; the vacuum chamber 4 is connected to the vacuum system through the air extraction hole 25 A crucible 7 is arranged in the vacuum chamber 4, and a cover sheet 6 is placed on the crucible 7 to keep warm, and the test sample is put into the crucible 7, and the crucible 7 is heated by an electromagnetic heating method; the cooling device 8 is surrou...

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Abstract

The invention belongs to the technical field of test apparatuses, and particularly relates to a vacuum thermal shock testing machine. The machine comprises a support, a controller, an induction powersupply, a temperature measuring device and a vacuum chamber. The support is provided with a vacuum chamber frame body, the vacuum chamber and a cooling device. The vacuum chamber frame body is provided with an air inlet hole and an air suction hole in order to realize thermal shock test in a vacuum environment or a protection gas environment. A crucible is arranged in the vacuum chamber, a test sample is placed in the crucible, the crucible is heated according to an induction heating principle, and a fiber cover sheet is placed on the crucible to achieve heat insulation. The temperature is measured by the temperature measuring device and is displayed in a temperature display, and the controller can automatically start or stop heating for achieving an assigned temperature and set the numberof shocks. Compared with test machines in the prior art, the vacuum thermal shock testing machine in the invention can carry out vacuum high-temperature thermal shock test, can control the vacuum degree and the thermal shock during experiments, and has the advantages of fast temperature rising speed, three-dimensional integral and compact structure, small occupied area, simple structure and wideapplication range.

Description

technical field [0001] The present invention relates to testing mechanical equipment, especially to a kind of test material structure or composite material, which can bear the degree of extreme high temperature continuous environment in an instant, so as to test the chemical reaction caused by thermal expansion and contraction in the shortest time. Thermal shock testing machine for changes or physical damage. Background technique [0002] The thermal shock testing machine is an energy-storage thermal shock test chamber. The main test products are used for testing current electronic components. The thermal shock testing machine can simulate the instantaneous change environment between high temperature and low temperature. In order to judge whether the reliability and stability of the product are qualified; it will provide you with the basis for predicting and improving the quality and reliability of the product, which is used to detect electronics, automobiles, rubber, plasti...

Claims

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Application Information

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IPC IPC(8): G01N3/60
CPCG01N3/60
Inventor 牟宗信李贺张家良刘升光
Owner DALIAN UNIV OF TECH
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