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Method and system for detecting uniformity of cable foam layer

A detection method and foam layer technology are used in product detection, wire and cable fields to ensure the transmission bandwidth and solve the problem of capacitance stability.

Active Publication Date: 2021-12-14
广州市广惠通线缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to propose a method and system for detecting the uniformity of the cable foam layer to solve one or more technical problems in the prior art, and at least provide a beneficial option or create conditions

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  • Method and system for detecting uniformity of cable foam layer
  • Method and system for detecting uniformity of cable foam layer

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Embodiment Construction

[0044] The concept, specific structure and technical effects of the present disclosure will be clearly and completely described below in conjunction with the embodiments and drawings, so as to fully understand the purpose, scheme and effect of the present disclosure. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0045] like figure 1 Shown is a flow chart of a method for detecting the uniformity of the cable foam layer, combined below figure 1 To illustrate a method for detecting the uniformity of a cable foam layer according to an embodiment of the present invention, the method includes the following steps:

[0046] S100, acquiring an internal imaging image of the cable through X-ray flaw detection equipment;

[0047] S200. Divide the internal imaging image into a plurality of subregional images based on the edge curve obtained by detecting the edge of the...

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Abstract

The invention discloses a method and system for detecting the uniformity of a cable foam layer. The internal imaging image of the cable is obtained by X-ray flaw detection equipment; the internal imaging image is divided into multiple A subregional image; identify the foam layer area in the internal imaging image according to the subregional image; detect and judge whether the foam structure in the foam layer area is uniform; when the foam structure in the foam layer area is uneven, judge the cable It is unqualified, otherwise it is qualified. It can realize the uniformity detection of cables of any length, so as to identify unqualified cables that cannot guarantee that the cables have uniform transmission impedance, and eliminate the fixed length and interference of water capacitance measurement cables. It solves the problem of capacitive stability of non-destructive detection cables and ensures the stability of cable transmission bandwidth, transmission rate and data transmission.

Description

technical field [0001] The disclosure belongs to the field of wire and cable and product testing, and in particular relates to a method and system for testing the uniformity of a cable foam layer. Background technique [0002] At present, the core wire of the twisted pair generally uses three to four layers of materials, generally including plastic PE, foam layer, high-density PE, etc. The structure of the foam layer is a sponge-like structure full of bubbles. During the dynamic measurement process of the core wire, the water capacitance tester is generally used to measure the capacitance per unit length of the control cable to ensure that the cable has a uniform transmission impedance; however, the water capacitance instrument cannot accurately measure the capacitance, but by measuring the capacitance The method has restrictions on the length of the cable. If the capacitance measurement exceeds a certain length, the degree of distortion will be high, the interference will b...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/11G06T7/13G06T7/136G01N23/00
CPCG06T7/0004G06T7/11G06T7/13G06T7/136G01N23/00G06T2207/10116
Inventor 杨洁涛
Owner 广州市广惠通线缆有限公司