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Visual capture system for cable film aging test and test method thereof

An aging test and visual capture technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, and using optical devices, can solve the problems of temperature changes in test chambers, affecting analysis and judgment, and large data errors, etc., to achieve Ensure normal operation, high measurement accuracy, and avoid changing effects

Inactive Publication Date: 2021-08-17
NANYANG CABLE TIANJIN
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the current experiment process, the staff need to open the door of the test chamber many times to observe the film sample, causing the internal temperature of the test chamber to change, which affects the normal progress of the experiment, which in turn causes large errors in the data and affects subsequent analysis and judgment.

Method used

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  • Visual capture system for cable film aging test and test method thereof
  • Visual capture system for cable film aging test and test method thereof
  • Visual capture system for cable film aging test and test method thereof

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Embodiment Construction

[0019] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments. Based on the embodiments of the invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the invention.

[0020] In the description of the invention, it should be noted that the terms "centre", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be configured in a specific orien...

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Abstract

The invention relates to a visual capture system for cable film aging test and a test method thereof. The visual capture system comprises a test box body, and a sample rack and an optical measuring device arranged in the test box body. One side of the test box body is opened. The optical measuring device comprises prisms rotationally connected with the two sides of the test box body, a laser transmitter arranged opposite to the prisms and a photoelectric conversion screen arranged on the side, opposite to the opening, of the inner wall of the test box body, and the sample frame is arranged between the prisms and the photoelectric conversion screen. According to the invention, the length of the to-be-measured film is obtained in real time through the photoelectric conversion screen, the mechanical property of the to-be-tested film is analyzed and judged according to the length change of the to-be-tested film, the measurement precision is high by adopting an optical mode, the length of the film in the test box can be observed without frequently opening a box door of the test box, the change of the temperature in the box body is avoided, and the normal proceeding of an experiment is ensured.

Description

technical field [0001] The invention relates to the field of length measurement for tensile tests, in particular to a visual capture system for cable film aging tests and a testing method thereof. Background technique [0002] During the storage and use of the cable, in order to avoid the oxidation of the insulating layer on the outer surface of the cable in contact with the air for a long time, it is often necessary to wrap a layer of plastic film on the outer surface of the cable to isolate the insulating layer from the air, and cover the outer surface The sheath is connected to make it have the properties of light weight, small outer diameter, high frequency of use, low loss, stable phase and high temperature resistance. In order to ensure that the cable film can be used for a long time in a high temperature environment, it is of great significance to analyze its aging characteristics in a high temperature environment, that is, the film sample is placed in a high temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/00G01N3/08G01N3/06G01B11/03
CPCG01B11/03G01N3/068G01N3/08G01N17/00G01N2203/0003G01N2203/0017G01N2203/0641
Inventor 杨茵姜亦成梁豫阳郑磊方向军陈建勋聂富强胡世国石海杨玉东
Owner NANYANG CABLE TIANJIN
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