CN219497449U - High-flame-retardant high-temperature-resistant composite heat-shrinkable tube for electric automobile - Google Patents

Abstract

The utility model discloses a high-flame-retardant high-temperature-resistant composite heat shrinkage tube for an electric automobile, which relates to the technical field of heat shrinkage tubes and specifically comprises a heat shrinkage tube body, wherein a protective layer is fixedly connected to the inner wall of the heat shrinkage tube body and comprises a reinforcing layer, a heat insulation layer, fireproof cloth and a flame-retardant layer, an insulating layer is fixedly connected to the lower surface of the protective layer, a shielding layer is fixedly connected to the lower surface of the insulating layer, a nickel-copper plating conductive foam layer is fixedly connected to the inner wall of the shielding layer, and an aluminum foil fiber composite layer is fixedly connected to the lower surface of the nickel-copper plating conductive foam layer. This high fire-retardant high temperature resistant composite pyrocondensation pipe for electric automobile, through the setting of insulating layer, the effectual high temperature that produces the pyrocondensation pipe body is isolated, through the enhancement layer setting, the effectual extrusion strength that has increased the pyrocondensation pipe body, it is low to avoid the extrusion, leads to the pyrocondensation pipe body to be impaired easily, has prolonged life widely, has played the effect of protection.

Description

High-flame-retardant high-temperature-resistant composite heat-shrinkable tube for electric automobile

Technical Field

The utility model relates to the technical field of heat shrinkable tubes, in particular to a high-flame-retardant high-temperature-resistant composite heat shrinkable tube for an electric automobile.

Background

At present, the battery pack of the new energy automobile is widely connected by a copper bar mode. The traditional heat-shrinkable sleeve can play roles of insulation, temperature resistance and flame retardance. However, the effective insulation voltage in the traditional heat-shrinkable sleeve is less than 2000v; the flame retardant property is V1, and the use temperature is in the range of-20 ℃ to 105 ℃; although the traditional heat-shrinkable sleeve can meet the current battery pack requirements, with the development of new energy battery technology and the expansion of application places, high-power battery packs are continuously appeared, so that higher requirements are put on the highest and lowest suitable working temperatures of the heat-shrinkable sleeve.

The Chinese patent application publication CN202121621256.6 discloses a wire shielding heat shrinkage pipe which is one of pipelines and is a special polyolefin heat shrinkage sleeve, and the heat shrinkage pipe joint in the market is more in number and is easy to crack, bulge and poor in compactness; when meeting complex working environment and special conditions, the high-flame-retardant high-temperature-resistant composite heat shrinkage tube cannot play a good role in protection, so that the high-flame-retardant high-temperature-resistant composite heat shrinkage tube for the electric automobile is required.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the high-flame-retardant high-temperature-resistant composite heat-shrinkable tube for the electric automobile, and solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high fire-retardant high temperature resistant composite pyrocondensation pipe for electric automobile, includes the pyrocondensation pipe body, the inner wall fixedly connected with inoxidizing coating of pyrocondensation pipe body, the inoxidizing coating includes enhancement layer, insulating layer, fire prevention cloth and fire-retardant layer, the lower surface fixedly connected with insulating layer of inoxidizing coating, the lower surface fixedly connected with shielding layer of insulating layer, the inner wall fixedly connected with nickel plating copper conductive foam layer of shielding layer, the lower surface fixedly connected with aluminium foil fiber composite layer of the conductive foam layer of nickel plating copper.

Optionally, the inner wall fixedly connected with stainless steel metal fiber of enhancement layer, stainless steel metal fiber is inside the enhancement layer in the well font distribution.

Optionally, the inner wall of enhancement layer has seted up the air vent, the quantity of air vent is four, four the bleeder vent is the symmetry setting.

Optionally, the lower surface of enhancement layer and insulating layer fixed connection, the lower surface and the fire prevention cloth fixed connection of insulating layer.

Optionally, the lower surface of the fireproof cloth is fixedly connected with the flame-retardant layer, and the flame-retardant layer is made of a ceramic polymer composite material.

Optionally, the heat insulation layer is made of ceramic silicon rubber and polyolefin, and the fireproof cloth is made of silicon rubber coated glass fiber cloth.

Optionally, the aluminum foil fiber composite layer and the nickel-plated copper conductive foam layer are connected on the inner wall of the shielding layer through pp glue.

Optionally, the material of insulating layer is PVC polyethylene, the insulating layer is located the surface of shielding layer.

(III) beneficial effects

The utility model provides a high-flame-retardant high-temperature-resistant composite heat-shrinkable tube for an electric automobile, which has the following beneficial effects:

1. this high fire-retardant high temperature resistant composite pyrocondensation pipe for electric automobile through the setting of inoxidizing coating, makes the device possess the effect of protection, through the cooperation setting of inoxidizing coating and pyrocondensation pipe body, can protect the fire of the inside production of pyrocondensation pipe body through the setting of fire-retardant layer, can block effectively to the inside fire of pyrocondensation pipe body, through the setting of insulating layer, the effectual high temperature to the inside production of pyrocondensation pipe body is isolated, through the enhancement layer setting, the effectual extrusion intensity that has increased to the pyrocondensation pipe body, avoid the extrusion slightly to hang down, lead to the pyrocondensation pipe body to be impaired easily, life has been prolonged widely, thereby play the effect of protection, the purpose of protection has been reached.

2. This high fire-retardant high temperature resistant composite pyrocondensation pipe for electric automobile through the setting of pyrocondensation pipe body, makes the device possess the effectual effect of shielding, through the cooperation setting of pyrocondensation pipe body and shielding layer, can make the pyrocondensation pipe body have two-layer shielding effect in the in-process of using, can effectually shield inside, has improved the holistic shielding nature of this pyrocondensation pipe, has enlarged its application range, and then through the insulating layer, has improved the insulating effect of pyrocondensation pipe body greatly to play insulating shielding's effect, reached insulating shielding's purpose.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic side view in cross section of the present utility model;

FIG. 3 is a schematic view of the structure of the shielding layer of the present utility model in cross section;

FIG. 4 is a schematic view of the structure of the reinforcement layer of the present utility model in cross-section.

In the figure: 1. a heat-shrinkable tube body; 2. a protective layer; 201. a reinforcing layer; 202. a thermal insulation layer; 203. fireproof cloth; 204. a flame retardant layer; 3. an insulating layer; 4. a shielding layer; 401. plating a nickel-copper conductive foam layer; 402. an aluminum foil fiber composite layer; 5. stainless steel metal fibers; 6. and (5) ventilation holes.

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.

Example 1

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a high fire-retardant high temperature resistant composite pyrocondensation pipe for electric automobile, including pyrocondensation pipe body 1, the inner wall fixedly connected with inoxidizing coating 2 of pyrocondensation pipe body 1, inoxidizing coating 2 includes enhancement layer 201, insulating layer 202, fire prevention cloth 203 and fire-retardant layer 204, the inner wall fixedly connected with stainless steel metal fiber 5 of enhancement layer 201, stainless steel metal fiber 5 is the well font and distributes inside enhancement layer 201, bleeder vent 6 has been seted up to the inner wall of enhancement layer 201, the quantity of bleeder vent 6 is four, four bleeder vents 6 are the symmetry setting, the lower surface and the insulating layer 202 fixed connection of enhancement layer 201, the lower surface and the fire prevention cloth 203 fixed connection of insulating layer 202, the lower surface and the fire-retardant layer 204 fixed connection of fire prevention cloth 203, the material of fire-retardant layer 204 is by the high polymer combined material that can porcelain, the lower surface fixedly connected with insulating layer 3 of inoxidizing coating 2, the lower surface fixedly connected with shielding layer 4 of insulating layer 3, the inner wall fixedly connected with nickel copper plating conductive bubble cotton layer 401 of shielding layer 4, the lower surface fixedly connected with aluminium foil fiber composite layer 402 of nickel plating copper conductive bubble cotton layer 401.

This high fire-retardant high temperature resistant composite pyrocondensation pipe for electric automobile during the use, through the setting of inoxidizing coating 2, make the device possess the effect of protection, through the cooperation setting of inoxidizing coating 2 and pyrocondensation pipe body 1, can protect the fire that the pyrocondensation pipe body 1 is inside through the setting of fire-retardant layer 204, can block effectively to the inside fire of pyrocondensation pipe body 1, the setting through insulating layer 202, the effectual high temperature that produces the inside of pyrocondensation pipe body 1 is isolated, through enhancement layer 201 setting, the effectual extrusion strength that has increased to pyrocondensation pipe body 1, avoid the extrusion slightly low, lead to the pyrocondensation pipe body 1 to be impaired easily, life has been prolonged widely, thereby the effect of protection has been played, the purpose of protection has been reached.

Example 2

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a high fire-retardant high temperature resistant composite pyrocondensation pipe for electric automobile, including pyrocondensation pipe body 1, the inner wall fixedly connected with inoxidizing coating 2 of pyrocondensation pipe body 1, inoxidizing coating 2 includes enhancement layer 201, insulating layer 202, fire prevention cloth 203 and fire-retardant layer 204, the material of insulating layer 202 comprises ceramic silicone rubber and polyolefin, the material of fire prevention cloth 203 is silicone rubber coating glass fiber cloth, connect the inner wall at shielding layer 4 through pp glue between aluminium foil fiber composite layer 402 and the nickel copper plating conductive foam layer 401, the material of insulating layer 3 is PVC polyethylene, insulating layer 3 is located the surface of shielding layer 4, the lower surface fixedly connected with insulating layer 3 of inoxidizing coating 2, the lower surface fixedly connected with shielding layer 4 of insulating layer 3, the inner wall fixedly connected with nickel copper plating conductive foam layer 401 of shielding layer 4, the lower surface fixedly connected with aluminium foil fiber composite layer 402 of nickel copper plating conductive foam layer 401.

When the high-flame-retardant high-temperature-resistant composite heat shrinkage tube for the electric automobile is used, the heat shrinkage tube body 1 is arranged, the device has a good shielding effect, the heat shrinkage tube body 1 and the shielding layer 4 are matched, the heat shrinkage tube body 1 can be provided with two layers of shielding effects in the using process, the inside can be effectively shielded, the integral shielding performance of the heat shrinkage tube body 1 is improved, the application range of the heat shrinkage tube is enlarged, and then the insulating effect of the heat shrinkage tube body 1 is greatly improved through the insulating layer 3, so that the effect of insulating shielding is achieved, and the purpose of insulating shielding is achieved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. High fire-retardant high temperature resistant composite heat shrinkage pipe for electric automobile, including heat shrinkage pipe body (1), its characterized in that: the inner wall fixedly connected with inoxidizing coating (2) of pyrocondensation pipe body (1), inoxidizing coating (2) are including enhancement layer (201), insulating layer (202), fire prevention cloth (203) and fire-retardant layer (204), the lower fixed surface of inoxidizing coating (2) is connected with insulating layer (3), the lower fixed surface of insulating layer (3) is connected with shielding layer (4), the inner wall fixedly connected with nickel plating copper conductive foam layer (401) of shielding layer (4), the lower fixed surface of nickel plating copper conductive foam layer (401) is connected with aluminium foil fiber composite layer (402).

2. The high-flame-retardant and high-temperature-resistant composite heat-shrinkable tube for electric automobiles according to claim 1, wherein: the inner wall of the reinforcing layer (201) is fixedly connected with stainless steel metal fibers (5), and the stainless steel metal fibers (5) are distributed inside the reinforcing layer (201) in a groined shape.

3. The high-flame-retardant and high-temperature-resistant composite heat-shrinkable tube for electric automobiles according to claim 2, wherein: the inner wall of the reinforcing layer (201) is provided with four air holes (6), and the four air holes (6) are symmetrically arranged.

4. The high-flame-retardant and high-temperature-resistant composite heat-shrinkable tube for electric automobiles according to claim 3, wherein: the lower surface of the reinforcing layer (201) is fixedly connected with the heat insulation layer (202), and the lower surface of the heat insulation layer (202) is fixedly connected with the fireproof cloth (203).

5. The high-flame-retardant and high-temperature-resistant composite heat-shrinkable tube for electric automobiles according to claim 4, wherein: the lower surface of the fireproof cloth (203) is fixedly connected with the flame-retardant layer (204), and the flame-retardant layer (204) is made of a ceramic polymer composite material.

6. The high-flame-retardant and high-temperature-resistant composite heat-shrinkable tube for electric automobiles according to claim 5, wherein: the heat insulation layer (202) is made of ceramic silicon rubber and polyolefin, and the fireproof cloth (203) is made of silicon rubber coated glass fiber cloth.

7. The high-flame-retardant and high-temperature-resistant composite heat-shrinkable tube for electric automobiles according to claim 6, wherein: the aluminum foil fiber composite layer (402) and the nickel-plated copper conductive foam layer (401) are connected to the inner wall of the shielding layer (4) through pp glue.

8. The high-flame-retardant and high-temperature-resistant composite heat-shrinkable tube for electric automobiles according to claim 7, wherein: the insulating layer (3) is made of PVC polyethylene, and the insulating layer (3) is positioned on the outer surface of the shielding layer (4).