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A vacuum chamber for thermal modal tests

A vacuum box, hot mold technology, used in material thermal analysis, instruments, measuring devices, etc.

Active Publication Date: 2020-11-13
INST OF MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Traditional modal tests are usually carried out in an open environment, but there is thermal convection between the surface of the specimen and the surrounding environment, which affects the thermal modal analysis of the structure to a certain extent. In order to eliminate or reduce the heat loss caused by convection, the design a vacuum box test environment

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  • A vacuum chamber for thermal modal tests
  • A vacuum chamber for thermal modal tests
  • A vacuum chamber for thermal modal tests

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Embodiment Construction

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] In order to facilitate the understanding of the embodiments of the present invention, further explanations will be given below with specific embodiments in conjunction with the accompanying drawings, which are not intended to limit the embodiments of the present invention.

[0017] see Figure 1-3 , the present invention provides a te...

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Abstract

The embodiment of the invention relates to a vacuum box for carrying out a thermal modal test. The vacuum box comprises a shell, an opening, a side door, a test piece mounting surface, a line guide and transmission system, annular water cooling equipment, a mounting groove, a test piece, a temperature compensator, a vibration exciter, a displacement guide rod, an acceleration sensor, a shell innerwall heat insulation tile, a heater and a vacuum machine, therefore, detection of the test piece is placed in the closed space, the purpose of eliminating or reducing heat loss caused by convection can be achieved, and the accuracy of structural thermal modal analysis is guaranteed.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of vacuum boxes, in particular to a vacuum box for carrying out thermal modal tests. Background technique [0002] Traditional modal tests are usually carried out in an open environment, but there is thermal convection between the surface of the specimen and the surrounding environment, which affects the thermal modal analysis of the structure to a certain extent. In order to eliminate or reduce the heat loss caused by convection, the design A vacuum box test environment was established. Contents of the invention [0003] In view of this, in order to solve the above technical problems or part of the technical problems, the embodiment of the present invention provides a vacuum box for carrying out thermal modal tests [0004] In the first aspect, the embodiment of the present invention provides a vacuum box for carrying out thermal modal tests, including: a shell, an opening, a si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/00
CPCG01N25/00
Inventor 黄杰郑冠男杨国伟聂雪媛黄程德宋鑫徐铭杰陈军屹
Owner INST OF MECHANICS CHINESE ACAD OF SCI
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