Insulating flame-retardant anti-interference control cable

A technology for controlling cables and cables, applied in the direction of insulated cables, insulated conductors, cables, etc., can solve problems such as poor flame retardant effect, and achieve the effects of reducing the proportion of oxygen, enhancing structural strength, and speeding up fire extinguishing efficiency

Pending Publication Date: 2022-07-05
南静静
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the existing control cables are used, most of them are passively flame-retardant through the flame-retardant layer, resulting in poor flame-retardant effect

Method used

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  • Insulating flame-retardant anti-interference control cable
  • Insulating flame-retardant anti-interference control cable
  • Insulating flame-retardant anti-interference control cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] like Figure 1-7As shown, the present invention provides an insulating, flame-retardant and anti-interference control cable, including a cable body 1, a built-in flame-retardant device 2 is arranged inside the cable body 1, and a cut-resistant layer 8 is fixedly connected to the upper surface of the built-in flame-retardant device 2 , the bottom surface of the built-in flame retardant device 2 is fixedly connected with an insulating layer 9, and the insulating layer 9 has the effect of insulating protection. The interior of the cable body 1 is provided with an elastic support component 4, the cable body 1 will be squeezed, and the arc-shaped bearing spring 3 The top end of the spring is compressed inward under the external force. At this time, the radial spring rod 42 in the elastic support assembly 4 is also squeezed, so that the structure of the load spring 3 and the elastic support assembly 4 is deformed, and a reaction force is generated to offset the impact. Make t...

Embodiment 2

[0041] like Figure 1-7 As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the side of the carrying container 24 away from the dry powder fire extinguishing agent 21 is provided with flame retardant particles 23, and the upper surface of the built-in flame retardant device 2 is provided with flame retardant particles 23. The rupture groove, the inner wall of the elastic support assembly 4 is fixedly connected with a radial spring rod 42, the bottom end side of the radial spring rod 42 is fixedly connected with a limit bar 43, and the radial spring rod 42 installed inside the elastic support assembly 4 is radially distributed, so that the elastic force The outer wall of the support assembly 4 bears the ground deformation impact to be dispersed, avoiding excessive local stress, exceeding the bearing range of the outer wall of the elastic support assembly 4, resulting in elastic fatigue of the elastic support assembly 4 and unable...

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Abstract

The invention discloses an insulating flame-retardant anti-interference control cable, and relates to the technical field of control cables, the insulating flame-retardant anti-interference control cable comprises a cable main body, a built-in flame-retardant device is arranged in the cable main body, the upper surface of the built-in flame-retardant device is fixedly connected with an anti-cutting layer, and the bottom surface of the built-in flame-retardant device is fixedly connected with an insulating layer. And an elastic supporting assembly is arranged in the cable main body. According to the device, the dry powder extinguishing agent is extruded by expansion pressure on the outer part of the built-in flame-retardant device, then the thorns pierce into the lower bearing plate, and inert compressed gas on the bottom side of the lower bearing plate rapidly expands to push the elastic bearing plate to move upwards to extrude the bearing container to contract inwards, so that flame-retardant particles can be sprayed out through the fracture groove for flame retardance; the dry powder extinguishing agent is responsible for next fire extinguishing work, inert compressed gas reduces the proportion of oxygen and accelerates fire extinguishing efficiency, substance distribution on the left side of the flame-retardant particles is exactly opposite to that on the right side, and therefore the combustion phenomenon occurring in the cable body can be dealt with.

Description

technical field [0001] The invention relates to the technical field of control cables, in particular to an insulating, flame-retardant and anti-interference control cable. Background technique [0002] Control cables are PVC-insulated and PVC-sheathed control cables suitable for industrial and mining enterprises, energy and transportation departments, and for control and protection circuits with rated AC voltage below 450 / 750 volts. Power cables are used in the main line of the power system. It is used to transmit and distribute high-power electrical energy, and the control cable directly transmits the electrical energy from the distribution point of the power system to the power connection lines of various electrical equipment and appliances. However, the existing control cables still have certain problems in use. [0003] The following problems exist for the prior art: [0004] When the existing control cables are in use, most of them are passively flame retardant throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/295H01B7/282H01B7/18H01B7/02A62C3/16
CPCH01B7/295H01B7/282H01B7/18H01B7/1805H01B7/184H01B7/189H01B7/02A62C3/16Y02A30/14
Inventor 南静静
Owner 南静静
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