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Radio frequency coaxial cable medium eccentricity degree detecting method

A technology of radio frequency coaxial cable and detection method, which is applied to measurement devices, mechanical measurement devices, instruments, etc., can solve the problems of not getting the eccentricity value, increasing the investment of detection instruments, difficulty in manual measurement of insulated cables, etc., and achieving simple operation. Effect

Active Publication Date: 2012-11-07
江西联创电缆科技股份有限公司 +1
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Problems solved by technology

[0002] GB / T17737.1-2000 Radio Frequency Cable Part 1: General Specifications - General Rules, Definitions, Requirements and Test Methods 9.2 The eccentricity of the medium is determined by measuring the insulation thickness on the cross-section of the cable sample. The maximum and minimum insulation It is difficult to manually measure the thickness of a cable with a small outer diameter, and it can only be detected by a projector, which will inevitably increase the investment in testing instruments
However, by visual inspection, although it is possible to roughly determine whether the cable is eccentric, it cannot obtain an accurate eccentricity value.

Method used

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  • Radio frequency coaxial cable medium eccentricity degree detecting method
  • Radio frequency coaxial cable medium eccentricity degree detecting method
  • Radio frequency coaxial cable medium eccentricity degree detecting method

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Embodiment Construction

[0015] Such as figure 1 As shown, 1) Take a cable sample with a length of 10 cm, use a blade to cut off the insulator of a cable sample about 1-2 cm long, and turn it by hand to completely separate the inner conductor 1 from the insulator 2 of the cable sample , the insulator 2 of the cable sample can rotate around the inner conductor;

[0016] 2) With the inner conductor 1 as the center of the circle, turn the cut and rotated cable sample insulator 3, and touch whether there is a step between the two sections of insulation by hand, and stop at the largest step;

[0017] 3) Close the insulator 3 of the cut and rotated cable sample to the original separation point, measure the outer diameter of the largest part with a micrometer with a graduation of 0.01mm at the connection point and record this data L;

[0018] 4) The maximum radial thickness of the insulation Tmax=(L-inner conductor diameter) / 2;

[0019] 5) The minimum radial thickness of the insulation Tmin=D-inner conduct...

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Abstract

The invention relates to a detecting method for detecting the medium eccentricity of radio-frequency coaxial cables, which calculates the medium eccentricity via measuring the insulated maximum radial thickness and the insulated minimum radial thickness. The invention is not only practical for cables with smaller external diameter in production, but also has the advantage of simple and rapid operation.

Description

technical field [0001] The invention relates to a method for detecting eccentricity, in particular to a method for detecting the eccentricity of a radio frequency coaxial cable medium. Background technique [0002] GB / T17737.1-2000 Radio Frequency Cable Part 1: General Specifications - General Rules, Definitions, Requirements and Test Methods 9.2 The eccentricity of the medium is determined by measuring the insulation thickness on the cross-section of the cable sample. The maximum and minimum insulation It is difficult to manually measure the thickness of a cable with a small outer diameter, and it can only be detected by a projector, which will inevitably increase the investment in testing instruments. However, by visual inspection, although it is possible to roughly determine whether the cable is eccentric, it cannot obtain an accurate eccentricity value. The invention can quickly and accurately detect the medium eccentricity of the radio frequency coaxial cable only by u...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/252
Inventor 肖志军杨小强
Owner 江西联创电缆科技股份有限公司