CN201170975Y - An integrated shielded cable for video and control signals - Google Patents

Abstract

A video and control signal integrated shielded cable belongs to the technical field of cables. Including video cable and control cable, it is characterized by a circular cable core twisted by four video cables and four control cables, and the cable core is provided with aluminum-plastic tape shielding layer and tinned copper wire mesh shielding layer and black soft The outer sheath, the aluminum-plastic tape shielding layer is wrapped around the cable core, the tinned copper wire mesh shielding layer is woven on the aluminum-plastic tape shielding layer, and the black soft outer sheath is set on the tinned copper wire mesh shielding layer. The utility model has the advantages of reasonable and compact structure, softness and small volume, and is convenient for installation and use. The cables can effectively avoid mutual interference, guarantee transmission performance, and ensure the smooth and normal operation of equipment. The cable has good flexibility and aging resistance.

Description

An integrated shielded cable for video and control signals

technical field

The utility model relates to a cable structure, which belongs to the technical field of cables.

Background technique

At present, high-performance, digital advanced electronic equipment is becoming more and more popular. Such equipment often requires multiple video cables, control cables, and power cables to be used together. It may cause interference and bring a lot of inconvenience to installation and use.

Contents of the invention

The purpose of the utility model is to provide a video and control signal integrated shielded cable with anti-interference, good transmission performance, small size and easy installation and use to meet the needs of the market.

The purpose of this utility model is achieved in this way, a comprehensive shielded cable for video and control signals, including video lines and control lines, is characterized in that it is provided with a circular cable core twisted by four video lines and four control lines, and the cable The core is equipped with aluminum-plastic tape shielding layer, tinned copper wire mesh shielding layer and black soft outer sheath, aluminum-plastic tape shielding layer is wrapped around the cable core, tinned copper wire mesh shielding layer is braided on the aluminum-plastic tape shielding layer , the black soft outer sheath is set over the tinned copper screen shield.

The video cable is formed by extruding a low-density polyethylene insulating layer on the surface of a copper wire conductor, setting a copper wire shielding net on the low-density polyethylene insulating layer, and extruding a polyvinyl chloride inner sheath on the copper wire shielding net. The control line is composed of an insulated single-wire twisted-pair flexible wire extruded with a polyvinyl chloride inner sheath, which is composed of an extruded polyvinyl chloride insulating layer on the outer surface of the copper wire conductor. The black soft outer sheath is an outer sheath made of environmentally friendly soft polyvinyl chloride material extruded on the tinned copper screen shielding layer.

The utility model has the advantages of reasonable and compact structure, softness and small volume, and is convenient for installation and use. The video lines in the cable are both closely connected and independent of each other. The inner conductor is copper wire, and the insulating layer is made of low-density polyethylene insulating material. Each cable is equipped with copper wire shielding net and PVC sheath, which can effectively avoid mutual interference. To ensure the transmission performance, the four video cables are printed with serial numbers to distinguish them. The four twisted-pair flexible wires are made of copper wire conductors, PVC insulation and sheath, which can be used to provide control signals, and are also printed with serial numbers for obvious distinction. The circular cable core composed of four video lines and four control lines is wrapped with aluminum-plastic tape shielding layer and braided tinned copper wire mesh shielding layer, so that the cable has good anti-internal and external interference performance and ensures that the equipment is stable and normal. run. The conductors of the video line and the control line are made of copper conductors, which not only make the cable have good transmission performance, but also make the cable have good flexibility. The outer sheath of the cable is made of environmentally friendly soft PVC black sheath material, which further ensures The flexibility of the cable also improves the aging resistance of the cable.

Description of drawings

Fig. 1 is a structural representation of the utility model;

In the figure: 1 copper wire conductor, 2 low-density polyethylene insulating layer, 3 copper wire shielding mesh, 4 inner sheath, 5 copper wire conductor, 6 insulating layer, 7 inner sheath, 8 aluminum-plastic tape shielding layer, 9 plating Tin-copper screen shield, 10 black soft outer sheath.

Detailed ways

A low-density polyethylene insulating layer 2 is extruded on the surface of the copper wire conductor 1, a copper wire shielding net 3 is woven on the low-density polyethylene insulating layer 2, and a polyvinyl chloride inner sheath 4 is extruded on the copper wire shielding net to make a video cable. A polyvinyl chloride insulating layer 6 is extruded on the outer surface of the copper wire conductor 5 to form an insulated single wire, and the insulated single wire is twisted into a twisted pair of flexible wires, and a polyvinyl chloride inner sheath 7 is extruded on the twisted pair of flexible wires to make a control wire. Four video lines and four control lines are twisted into a circular cable core, and the aluminum-plastic tape shielding layer 8 is wrapped around the cable core, and the tinned copper wire mesh shielding layer 9 is braided on the aluminum-plastic tape shielding layer. The outer surface of the copper screen shielding layer 9 is extruded into a black soft outer sheath 10 made of environment-friendly soft polyvinyl chloride material.

Claims (4)

1, a kind of video, the comprehensive shielded cable of control signal, comprise video line, control line, it is characterized in that being provided with four video lines and four circular cable cores that control line is twisted into, cable core is provided with plastic-aluminum band screen and tinned copper wire net screen and black soft oversheath, plastic-aluminum band screen is wrapped on cable core, tinned copper wire net screen is woven on the plastic-aluminum band screen, and black soft oversheath is arranged on the tinned copper wire net screen.

2, a kind of video according to claim 1, the comprehensive shielded cable of control signal, it is characterized in that described video line is to extrude the low density polyethylene (LDPE) insulating barrier on the copper conductors surface, the copper wire gauze screen is set on the low density polyethylene (LDPE) insulating barrier, extrudes the polyvinyl chloride inner sheath on the copper wire gauze screen and constitute.

3, a kind of video according to claim 1, the comprehensive shielded cable of control signal is characterized in that described control line is extruded by the copper conductors outer surface to extrude the polyvinyl chloride inner sheath on the twisted cord of the insulated single wire pair twist that the polyvinyl chloride insulation layer constitutes and constitute.

4, a kind of video according to claim 1, the comprehensive shielded cable of control signal is characterized in that described black soft oversheath is that the soft pvc material of environment-friendly type is extruded in the oversheath on the tinned copper wire net screen.

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