CN219534124U

CN219534124U - High temperature resistant cable subassembly

Info

Publication number: CN219534124U
Application number: CN202320745295.XU
Authority: CN
Inventors: 娄贝贝; 孙南东; 黄艳吉
Original assignee: Shanghai Canglong Electromechanical Equipment Co ltd
Current assignee: Shanghai Canglong Electromechanical Equipment Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-15
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to a high-temperature-resistant cable assembly, which comprises a plurality of conductors, wherein the outer side of each conductor is wrapped with a crosslinked polyethylene insulating layer, the outer side of each crosslinked polyethylene insulating layer is provided with a first high-temperature-resistant fireproof layer, the outer side of each conductor is wrapped with a wrapping layer, a filling layer is arranged in a gap of the inner side of the wrapping layer, the outer side of the wrapping layer is wrapped with an inner liner layer, the outer side of the inner liner layer is sleeved with an armor layer, and the outer side of the armor layer is provided with a polyvinyl chloride sheath layer.

Description

High temperature resistant cable subassembly

Technical Field

The utility model relates to the technical field of cables, in particular to a high-temperature-resistant cable assembly.

Background

A cable is an electrical energy or signal transmission device, typically made of one or more mutually insulated conductors and an outer insulating protective layer, conducting wires that transmit electrical power or information from one place to another.

However, the existing electric wire and cable has poor high temperature resistance effect, high ambient temperature, insulation aging and scorching phenomena are easy to occur to common cables at high temperature, and combustion can be caused when the common cables are severe, so that the common cables lose performance, are easy to damage, and cannot normally transmit signals or electric energy.

Disclosure of Invention

The utility model aims to provide a high-temperature-resistant cable assembly, which solves the problems of poor high-temperature-resistant effect and easy ignition of cables in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a high temperature resistant cable subassembly, includes many conductors, every the outside parcel of conductor is provided with crosslinked polyethylene insulating layer, every crosslinked polyethylene insulating layer's outside is including being provided with first high temperature resistant flame retardant coating, many follows the outside parcel of conductor is provided with around the covering, the inboard clearance of around the covering is provided with the filling layer, the outside parcel of around the covering is provided with the inner liner, the outside cover of inner liner is equipped with the armor, the outside of armor is provided with polyvinyl chloride restrictive coating.

As a further scheme of the utility model: an antioxidant layer is sprayed on the outer side of the polyvinyl chloride sheath layer, so that the antioxidant effect of the outer surface of the polyvinyl chloride sheath layer is enhanced.

As still further aspects of the utility model: the inner side of the polyvinyl chloride sheath layer is sprayed with a fireproof coating, so that the fireproof effect of the polyvinyl chloride sheath layer is enhanced.

As still further aspects of the utility model: and a fireproof cotton layer is arranged between the inner liner and the wrapping layer, so that the overall fireproof effect is enhanced.

As still further aspects of the utility model: and a high-temperature-resistant glass fiber layer is arranged between the armor layer and the inner liner layer, so that the overall heat insulation and fire prevention effects are further enhanced.

As still further aspects of the utility model: the filling layer comprises solid rubber, a filling groove is formed in the solid rubber, a flame-retardant cotton layer is filled in the filling groove, and the fixing effect and the flame-retardant effect between conductors are enhanced.

Compared with the prior art, the utility model has the advantages that:

1. the high-temperature-resistant fire-proof insulating cable comprises a plurality of conductors, wherein the outer side of each conductor is wrapped with a crosslinked polyethylene insulating layer for insulating and protecting the conductors, and the outer side of each crosslinked polyethylene insulating layer is provided with a high-temperature-resistant fire-proof layer, so that each conductor can be independently subjected to high-temperature-resistant fire-proof protection, if the high temperature generated by the crosslinked polyethylene insulating layer burns, the high-temperature-resistant fire-proof layers can be isolated, the protection effect of each conductor is enhanced, and the high-temperature-resistant fire-proof layers are preferably fire-resistant mica tapes and can be used for conducting fire-resistant protection.

2. According to the utility model, after the plurality of independently isolated conductors are wound and fixed together through the wrapping layer, the filling layer is filled in the gap at the inner side of the wrapping layer, so that the fixing stability among the plurality of conductors is improved, the wrapping layer is wrapped and arranged at the outer side of the wrapping layer, the wrapping effect of the wrapping layer on the plurality of conductors can be enhanced, the mounting stability is improved, the armor layer is sleeved at the outer side of the inner layer, the high-temperature-resistant fireproof protection effect of the inner layer can be enhanced, the polyvinyl chloride sheath layer is arranged at the outer side of the armor layer, and the polyvinyl chloride sheath layer is used for integral surface wear resistance, high-temperature resistance and fireproof protection.

3. According to the utility model, the oxidation resistance of the surface of the polyvinyl chloride sheath layer can be enhanced by the arrangement of the oxidation resistance layer, the aging speed of the polyvinyl chloride sheath layer is reduced, the integral high-temperature sunlight resistance effect is improved, the fireproof coating is sprayed on the inner side of the polyvinyl chloride sheath layer, the fireproof performance of the polyvinyl chloride sheath layer is enhanced, the fireproof cotton layer is arranged between the inner liner and the wrapping layer, the inner and outer fireproof effects of the wrapping layer can be further improved by the arrangement of the fireproof cotton layer, the flame retardance is realized, and the integral high-temperature resistance fireproof effect is enhanced.

Drawings

FIG. 1 is a schematic view of the overall structure of a high temperature resistant cable assembly according to the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a schematic view of a side connection structure between a support bearing and a rotor according to the present utility model;

FIG. 4 is a schematic view of the connection structure among the conductor, the crosslinked polyethylene insulating layer, the high temperature resistant fireproof layer and the filling layer in the utility model;

fig. 5 is a schematic diagram of the overall structure of the polyvinyl chloride sheath layer in the present utility model.

In the figure: 1. a conductor; 2. a crosslinked polyethylene insulating layer; 3. a high temperature resistant fire resistant layer; 4. wrapping the layer; 5. a filling layer; 6. an inner liner layer; 7. an armor layer; 8. a polyvinyl chloride sheath layer; 9. an oxidation resistant layer; 10. a fireproof coating; 11. a fireproof cotton layer; 12. a high temperature resistant fiberglass layer; 13. a solid rubber; 14. filling the groove; 15. a flame retardant cotton layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1 to 5, in an embodiment of the present utility model:

the utility model provides a high temperature resistant cable subassembly, including many conductors 1, every conductor 1's outside parcel is provided with crosslinked polyethylene insulating layer 2, crosslinked polyethylene insulating layer 2 is used for the insulating protection of conductor 1, every crosslinked polyethylene insulating layer 2's outside is including being provided with high temperature resistant flame retardant coating 3, high temperature resistant flame retardant coating 3 can be solitary carry out high temperature resistant flame retardant protection to every conductor 1, many conductor 1's outside parcel is provided with around covering 4, it is used for twining together many conductors 1 to fix around covering 4, be provided with filling layer 5 around covering 4's inboard clearance, filling layer 5's setting is used for filling the gap between the adjacent conductor 1, improve the fixed stability between many conductors 1, around covering 4's outside parcel is provided with inner liner 6, inner liner 6's setting can strengthen around covering 4 to the parcel effect between many conductors 1, improve installation stability, inner liner 6's outside cover is equipped with armor 7, armor 7's setting can strengthen 6 high temperature resistant flame retardant protection effect, armor 7's outside is provided with polyvinyl chloride sheath 8, polyvinyl chloride sheath 8 is used for whole surface for high temperature resistant protection, wear-resistant protection.

In the embodiment of the utility model, the following steps are included: the outside spraying of polyvinyl chloride restrictive coating 8 has antioxidation coating 9, and antioxidation coating 9's setting can strengthen polyvinyl chloride restrictive coating 8 surface oxidation resistance, reduces polyvinyl chloride restrictive coating 8's ageing speed, improves holistic high temperature resistant sunshine effect, and polyvinyl chloride restrictive coating 8's inboard spraying has fire prevention coating 10, strengthens polyvinyl chloride restrictive coating 8's fire behavior.

In the embodiment of the utility model, the following steps are included: be provided with fireproof cotton layer 11 between inner liner 6 and the cladding 4, the setting of fireproof cotton layer 11 can further improve the inside and outside fireproof effect around cladding 4, realizes fire-retardant, strengthens holistic high temperature resistant fireproof effect.

In the embodiment of the utility model, the following steps are included: high temperature resistant glass fiber layer 12 is provided between armor 7 and inner liner 6, and the setting of high temperature resistant glass fiber layer 12 can be further isolated external high temperature, strengthens holistic flame retardant efficiency.

In the embodiment of the utility model, the following steps are included: the filling layer 5 comprises solid rubber 13, the solid rubber 13 is made of soft rubber materials with certain supporting performance and is used for keeping gaps among the conductors 1, shaping among the conductors 1 is achieved, the solid rubber 13 is provided with a filling groove 14, the filling groove 14 is filled with a flame-retardant cotton layer 15, the flame-retardant cotton layer 15 can achieve isolation among the conductors 1, flame retardance during high-temperature combustion is achieved, the situation of high-temperature combustion is avoided, and the overall high-temperature resistant effect is improved.

Example 2:

referring to fig. 1 to 5, the present utility model relates to a high temperature resistant cable assembly, which comprises a plurality of conductors 1, wherein the outer side of each conductor 1 is wrapped with a crosslinked polyethylene insulating layer 2 for insulating protection of the conductor 1, and the outer side of each crosslinked polyethylene insulating layer 2 comprises a high temperature resistant fireproof layer 3, so that each conductor 1 can be individually subjected to high temperature resistant fireproof protection, if high temperature generated by the crosslinked polyethylene insulating layer 2 burns, the high temperature resistant fireproof layer 3 can be used for isolating, the protection effect of each conductor 1 is enhanced, the high temperature resistant fireproof layer 3 is preferably a fireproof mica tape, and the conductors 1 can be subjected to flame retardant protection.

Example 3:

referring to fig. 1 to 5, on the basis of embodiment 2, after a plurality of individually isolated conductors 1 are wound and fixed together by wrapping a wrapping layer 4, and a filling layer 5 is filled in the inner side gap of the wrapping layer 4, the fixing stability between the plurality of conductors 1 is improved, an inner liner 6 is wrapped and arranged on the outer side of the wrapping layer 4, the wrapping effect of the wrapping layer 4 on the plurality of conductors 1 can be enhanced, the installation stability is improved, an armor layer 7 is sleeved and arranged on the outer side of the inner liner 6, the high-temperature-resistant fireproof protection effect of the inner liner 6 can be enhanced, a polyvinyl chloride sheath layer 8 is arranged on the outer side of the armor layer 7, the polyvinyl chloride sheath layer 8 is used for overall surface abrasion resistance, high-temperature resistance and fireproof protection, an oxidation-resistant layer 9 is sprayed and coated on the outer side of the polyvinyl chloride sheath layer 8, the surface oxidation resistance of the polyvinyl chloride sheath layer 8 is reduced, the overall high-temperature-resistant sunlight effect is improved, a fireproof coating 10 is sprayed and arranged on the inner side of the polyvinyl chloride sheath layer 8, the fireproof performance of the inner liner 6 and the wrapping layer 4 is enhanced, a fireproof cotton layer 11 is arranged between the inner liner 6 and the wrapping layer 4, the overall fireproof protection effect can be further enhanced, and the fireproof protection effect of the inner and outer fireproof protection can be further enhanced.

In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.

Claims

1. The utility model provides a high temperature resistant cable subassembly, includes many conductors (1), every the outside parcel of conductor (1) is provided with crosslinked polyethylene insulating layer (2), its characterized in that: every the outside of crosslinked polyethylene insulating layer (2) is including being provided with high temperature resistant flame retardant coating (3), is provided with around covering (4) with the outside parcel of conductor (1), around the inboard clearance of covering (4) is provided with filling layer (5), around the outside parcel of covering (4) is provided with inner liner (6), the outside cover of inner liner (6) is equipped with armor (7), the outside of armor (7) is provided with polyvinyl chloride restrictive coating (8).

2. A high temperature resistant cable assembly according to claim 1, wherein: an antioxidant layer (9) is sprayed on the outer side of the polyvinyl chloride sheath layer (8).

3. A high temperature resistant cable assembly according to claim 2, wherein: the inner side of the polyvinyl chloride sheath layer (8) is sprayed with a fireproof coating (10).

4. A high temperature resistant cable assembly according to claim 1, wherein: and a fireproof cotton layer (11) is arranged between the inner liner layer (6) and the wrapping layer (4).

5. The high temperature resistant cable assembly of claim 4 wherein: a high-temperature resistant glass fiber layer (12) is arranged between the armor layer (7) and the inner liner layer (6).

6. A high temperature resistant cable assembly according to claim 1, wherein: the filling layer (5) comprises solid rubber (13), a filling groove (14) is formed in the solid rubber (13), and a flame-retardant cotton layer (15) is filled in the filling groove (14).