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Fireproof cable

A technology of fireproof cables and fireproof coatings, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of high cost, affecting the use of cables, and increased weight, and achieve the effects of stable product structure, enhanced fire resistance, and small bending radius

Inactive Publication Date: 2014-10-15
QINGDAO HUAKAI OCEAN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the fireproof cables in the prior art, the protective layer mostly adopts the traditional copper sheath structure. This structure not only wastes metal resources, but also costs high, and increases the weight, which affects the use of the cable.
Furthermore, this kind of fireproof cable has poor impact resistance and is difficult to bend, resulting in time-consuming and laborious construction during the installation of the fireproof cable, which is likely to cause safety hazards
Finally, the preparation process of this kind of fireproof cable is complicated and troublesome, requiring multi-step welding, which is time-consuming and laborious

Method used

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Embodiment Construction

[0017] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited to this Example.

[0018] The middle part of the present invention has an inner core conductor 1, and there are three inner core conductors 1. The inner core conductor is wrapped with a layer of inner filling layer 2, and the inner filling layer 2 is wrapped with a layer of inner braiding layer 3. The inner braiding layer 3 It is woven from quartz sand. The material is light in texture and has high fire resistance. It can maintain a high temperature of 800 degrees for 1 hour. The inner braiding layer 3 is filled with a filling layer 4, the inner filling layer 2 and the filling layer 4 are fireproof asbestos, and the filling layer 4 is wrapped with a braiding layer 5, and the braiding layer 5 is also made of quartz sand. Woven. Before the weaving of the quartz sand, a layer of fire-resistant paint is applied to itself,...

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Abstract

The invention relates to the technical field of cable equipment, and in particular relates to a fireproof cable. The fireproof cable comprises an inner core conductor, an inner filling layer, an inner knitting layer, a filling layer and a knitting layer; the inner core conductor is positioned in the fireproof cable; both the inner knitting layer and the knitting layer are knitted through quartz sand. According to the fireproof cable, the traditional copper sheath structure is changed, the problems like complex structure, inconvenient mounting, heavy structure and large bending radius of the traditional copper sheath are effectively solved, and a great significance; in addition, a heat sensing device arranged is convenient to monitor temperature on real time, and thus fire can be prevented.

Description

technical field [0001] The invention relates to the technical field of cable equipment, in particular to a fireproof cable. Background technique [0002] The cable industry is the second largest industry in China after the automobile industry. The product variety satisfaction rate and domestic market share both exceed 90%. As one of the most important cable product R&D and production bases in the world, China currently has Fire resistance, high temperature and low temperature resistance, low inductance and low noise, green environmental protection, low smoke and zero halogen, anti-ant and rodent, waterproof and moisture-proof series of cable products with unique performance and special structure, and have formed a certain productivity. [0003] At present, with the continuous improvement of social security and system safety requirements, the corresponding requirements for cables are increasing, especially fireproof cables. However, in the fireproof cables in the prior art, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/29
Inventor 邢栋李京刘本生张旭明
Owner QINGDAO HUAKAI OCEAN SCI & TECH