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Cable waterproof structure, cable system and cable waterproof sealing method

A waterproof structure and waterproof sealing technology, which is applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of poor waterproof sealing of cables, poor waterproof sealing, and poor waterproof sealing effect, and achieve good waterproof sealing and ensure effective transmission. Effect

Inactive Publication Date: 2017-12-12
HONGSHANG HEAT SHRINKABLE MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The first object of the present invention is to provide a waterproof structure for cables, aiming at improving the problem of poor cable waterproof sealing
[0004] The second object of the present invention is to provide a cable system, which aims to improve the problems of poor waterproof sealing and short service life of the cable system
[0005] The third object of the present invention is to provide a waterproof sealing method for cables, which aims to improve the problem of single waterproof sealing method for cables and poor waterproof sealing effect

Method used

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  • Cable waterproof structure, cable system and cable waterproof sealing method
  • Cable waterproof structure, cable system and cable waterproof sealing method
  • Cable waterproof structure, cable system and cable waterproof sealing method

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Embodiment Construction

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the implementation modes in the present invention, al...

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Abstract

The present invention discloses a cable waterproof structure, a cable system and a cable waterproof sealing method, pertaining to the field of cable waterproofing. The cable waterproof structure comprises a first sealant, a second sealant, a third sealant, a fourth sealant, a first insulating tube, a second insulating tube, a third insulating tube and a first finger sleeve. The first sealant wraps a ground wire, the first insulating tube sleeves the first sealant, the second sealant wraps the first insulating tube, the first finger sleeve sleeves the second sealant, and the third sealant wraps the end part of the first finger sleeve, wherein the end part is close to metal terminals. The second insulating tube sleeves wire cores of the cables, the fourth sealant wraps the metal terminals, and the third insulating tube sleeves the fourth sealant. The cable system comprises the waterproof structure. The cable waterproof structure and the cable system have good waterproof tightness. The cable waterproof sealing method can ensure good waterproof tightness and long using time of heat shrinkable cable accessories for multi-line controlling and measuring cables in a nuclear power plant.

Description

technical field [0001] The invention relates to the field of cable waterproofing, in particular to a cable waterproof structure, a cable system and a cable waterproof sealing method. Background technique [0002] The working environment of cables in nuclear power plants is very harsh. During the entire service life, cables must withstand electric fields, temperatures, oxygen, nuclear radiation, steam moisture, ozone, and chemicals under nuclear environmental conditions, as well as mechanical stress, thermal deformation, vibration and wear fatigue, The comprehensive effect of creep and other physical reasons intersecting together. For heat-shrinkable cable accessories used in nuclear power plants, due to the special environmental conditions of the place of use, high safety is required, that is, it is required not only to have excellent electrical properties, mechanical physical properties and flame-retardant properties that general heat-shrinkable cable accessories have. , s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/282H01R31/06
CPCH01B7/282H01B7/2825H01R31/06
Inventor 焦怀德钟晓光翟永爱康应洲
Owner HONGSHANG HEAT SHRINKABLE MATERIALS
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