CN217405169U

CN217405169U - High-temperature-resistant shielded cable for new energy automobile

Info

Publication number: CN217405169U
Application number: CN202220311006.0U
Authority: CN
Inventors: 施村东; 徐峰; 吴新华
Original assignee: Nantong Zhibo Electronic Cable Co ltd
Current assignee: Nantong Zhibo Electronic Cable Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-09-09
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a new energy automobile is with high temperature resistant shielded cable, including the heat conduction metal, set up evenly distributed's mounting hole on the heat conduction metal, the inner wall of mounting hole is provided with electric core, the outside fixedly connected with heat dissipation metal of heat conduction metal, the outside of heat dissipation metal is provided with the wearing layer, the inboard fixedly connected with evenly distributed's of heat dissipation metal heat conduction piece, evenly distributed's special-shaped groove has been seted up on the heat conduction metal. The utility model discloses a, because the heat dissipation metal is located the outside of this cable, and then can be better carry out the heat exchange with the external world, the heat dissipation metal can reduce with outside air carries out the heat exchange after the temperature, and then dispels the heat to electric core through heat conduction metal, and then avoids the cable high temperature to lead to the condition of catching fire to appear to can reduce the damage that the high temperature caused this cable, improve the life of this cable.

Description

High-temperature-resistant shielding cable for new energy automobile

Technical Field

The utility model relates to a shielded cable technical field, more specifically say, relate to high temperature resistant shielded cable for new energy automobile.

Background

Shielded cables are transmission lines in which signal wires are wrapped with a metallic mesh braid. The braid is typically red copper or tin-plated copper. The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share exceed 90 percent. The total output value of the electric wire and the electric cable in China exceeds the United states worldwide, and the electric wire and the electric cable become the first country for producing the electric wire and the electric cable in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved.

At present, when the traditional high-temperature-resistant shielding cable is in normal use, certain heat can be generated inside the cable, if the heat is not dissipated in time, the fire accident condition caused by overhigh temperature inside the cable can easily occur.

SUMMERY OF THE UTILITY MODEL

To the relevant problem that exists among the prior art, the utility model aims to provide a high temperature resistant shielded cable for new energy automobile.

In order to solve the above problems, the utility model adopts the following technical proposal.

High temperature resistant shielded cable for new energy automobile, including heat conduction metal, evenly distributed's mounting hole has been seted up on the heat conduction metal, the inner wall of mounting hole is provided with electric core, heat conduction metal's outside fixedly connected with heat dissipation metal, the outside of heat dissipation metal is provided with the wearing layer, the inboard fixedly connected with evenly distributed's of heat dissipation metal heat conduction piece, evenly distributed's dysmorphism groove has been seted up on the heat conduction metal, one side of heat conduction piece is located the inside in dysmorphism groove, be provided with the trigger structure on the dysmorphism groove.

As a further description of the above technical solution:

trigger structure includes two elastic rubber, two elastic rubber's both sides all with the inner wall fixed connection in dysmorphism groove, two all constitute between elastic rubber and the dysmorphism groove has the cavity, two the inside in cavity all is filled there is carbon dioxide gas, the inner wall interlude in dysmorphism groove has two contact plates, two all the cover is equipped with the spring on the contact plate, two the both ends of spring respectively with heat conduction metal and two contact plate fixed connection.

As a further description of the above technical solution:

one side of the contact plate is fixedly connected with a radiating fin, and the outer side of the radiating fin is connected with the heat conducting metal in a sliding mode.

As a further description of the above technical solution:

the wear-resistant layer is made of a silicone rubber layer.

As a further description of the above technical solution:

one side fixedly connected with insulating layer of heat conduction piece, the material of insulating layer is the rock wool layer.

As a further description of the above technical solution:

the inner wall of the mounting hole is fixedly connected with a heat conduction rubber layer, and an inner ring of the heat conduction rubber layer is in contact with the battery core.

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

this scheme is because the heat dissipation metal is located the outside of this cable, and then can be better carry out the heat exchange with the external world, and the heat dissipation metal can reduce with outside air carries out heat exchange back temperature, and then dispels the heat to electric core through heat conduction metal, and then avoids the too high condition that leads to catching fire of cable temperature to appear to can reduce the damage that high temperature caused this cable, improve the life of this cable.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a thermally conductive metal; 2. mounting holes; 3. an electric core; 4. heat-dissipating metal; 5. a wear layer; 6. a heat conducting block; 7. a special-shaped groove; 8. a trigger structure; 801. an elastic rubber; 802. a cavity; 803. a contact plate; 804. a spring; 9. a heat sink; 10. a thermal insulation layer; 11. a heat conducting rubber layer.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;

please refer to fig. 1-3, in the present invention: high temperature resistant shielded cable for new energy automobile, including heat conduction metal 1, evenly distributed's mounting hole 2 has been seted up on heat conduction metal 1, the inner wall of mounting hole 2 is provided with electric core 3, heat conduction metal 1's outside fixedly connected with heat dissipation metal 4, heat dissipation metal 4's the outside is provided with wearing layer 5, heat dissipation metal 4's inboard fixedly connected with evenly distributed's heat conduction piece 6, evenly distributed's dysmorphism groove 7 has been seted up on heat conduction metal 1, one side of heat conduction piece 6 is located the inside in dysmorphism groove 7, be provided with on the dysmorphism groove 7 and trigger structure 8.

In the utility model, when in use, the electric core 3 can generate heat when in work, the heat can be transmitted to the heat conducting metal 1, the temperature of the heat conducting metal 1 rises along with the rise of the heat conducting metal, the heat conducting metal 1 can exchange heat with the heat radiating metal 4 after the temperature rises, the temperature of the heat radiating metal 4 can rise gradually, because the heat radiating metal 4 is positioned at the outer side of the cable, the heat can be better exchanged with the outside, the temperature of the heat radiating metal 4 can be reduced after the heat exchange with the outside air, the electric core 3 can be further radiated through the heat conducting metal 1, the condition that fire is caused by overhigh temperature of the cable can be avoided, the damage to the cable caused by high temperature can be reduced, the service life of the cable can be prolonged, the cable works efficiently for a long time, when the heat radiating effect can not be achieved, the temperature of the electric core 3 can rise gradually, the trigger structure 8 can be triggered to contact with the heat conducting block 6, this moment heat conduction piece 6 mutually supports with trigger structure 8 and can promote the radiating effect to heat dissipation metal 4, and then promotes the radiating effect to electric core 3, avoids the cable high temperature to lead to the condition of catching fire to appear to can reduce the damage that high temperature caused this cable, improve the life of this cable.

Please refer to fig. 1-3, wherein: trigger structure 8 includes two elastic rubber 801, two elastic rubber 801's both sides all with the inner wall fixed connection of dysmorphism groove 7, all constitute between two elastic rubber 801 and the dysmorphism groove 7 has cavity 802, the inside of two cavities 802 all is filled with carbon dioxide gas, the inner wall interlude of dysmorphism groove 7 has two contact plates 803, all the cover is equipped with spring 804 on two contact plates 803, the both ends of two springs 804 respectively with heat conduction metal 1 and two contact plates 803 fixed connection.

In the utility model, after the heat dissipation effect of the heat dissipation metal 4 and the heat conduction metal 1 on the battery core 3 is not achieved, the temperature of the battery core 3 will gradually rise, at this moment, the carbon dioxide gas in the cavity 802 will expand, then the elastic rubber 801 will deform, the elastic rubber 801 will push the contact plate 803 to move until the contact plate 803 contacts with the heat conduction block 6, because the heat conduction block 6 contacts with the heat dissipation metal 4, the heat dissipation metal 4 can conduct heat with the heat conduction block 6, the contact plate 803 contacts with the heat conduction block 6 again, and then the heat conduction can be conducted to the contact plate 803, because the contact plate 803 contacts with the heat conduction metal 1, and then the heat dissipation effect of the heat dissipation metal 4 on the heat conduction metal 1 can be increased, the occurrence of fire caused by the over-high temperature of the cable can be avoided, and the damage to the cable caused by the high temperature can be reduced, the service life of the cable is prolonged, and when the combustion occurs, the elastic rubber 801 is burnt and broken, and at the moment, carbon dioxide gas inside the cavity 802 can escape, so that the fire extinguishing effect is achieved.

Please refer to fig. 2 and 3, wherein: one side of the contact plate 803 is fixedly connected with a heat sink 9, and the outer side of the heat sink 9 is connected with the heat conducting metal 1 in a sliding manner.

The utility model discloses in, can increase the area of contact between contact plate 803 and the heat conduction metal 1 through the fixed fin 9 even in contact plate 803 one side, and then promote heat-conduction effect, and then improve the radiating effect that heat conduction piece 6 passes through contact plate 803 to heat conduction metal 1.

Please refer to fig. 1 and 2, wherein: the wear-resistant layer 5 is made of a silicone rubber layer.

The utility model discloses in, can make this cable have good wear-resisting effect for the silastic-layer through 5 materials of wearing layer to the silastic-layer has good radiating effect, and then improves the efficiency of heat dissipation metal 4 and external air heat exchange, and then improves the practicality of device.

Please refer to fig. 1-3, wherein: one side fixedly connected with insulating layer 10 of heat conduction piece 6, the material of insulating layer 10 is the rock wool layer.

The utility model discloses in, the insulating layer 10 through 6 one side fixed connection of heat conduction piece can prevent the heat backward flow, has certain flame retardant efficiency simultaneously, and then improves the practicality of device.

Please refer to fig. 1 and 2, wherein: the inner wall of the mounting hole 2 is fixedly connected with a heat-conducting rubber layer 11, and the inner ring of the heat-conducting rubber layer 11 is in contact with the battery cell 3.

The utility model discloses in, heat conduction rubber layer 11 through 2 inner wall fixed connection of mounting hole can play the effect insulating to electric core 3 to heat conduction on heat conduction rubber layer 11 is effectual, and then is favorable to the heat dissipation to electric core 3, improves the practicality of device.

The working principle is as follows: when the cable is used, the electric core 3 generates heat when working, the heat is then conducted to the heat conducting metal 1, the temperature of the heat conducting metal 1 rises, the heat conducting metal 1 can exchange heat with the heat radiating metal 4 after rising, the temperature of the heat radiating metal 4 gradually rises, the heat radiating metal 4 is positioned on the outer side of the cable, and further can better exchange heat with the outside, the temperature of the heat radiating metal 4 can be reduced after exchanging heat with the outside air, and further the electric core 3 is radiated through the heat conducting metal 1, so that the condition that the cable catches fire due to overhigh temperature is avoided, the damage to the cable caused by high temperature can be reduced, the service life of the cable is prolonged, the cable can work efficiently for a long time, when the heat radiating effect cannot be achieved, the temperature of the electric core 3 can gradually rise, at the moment, carbon dioxide gas in the cavity 802 expands, and then the elastic rubber 801 deforms, elastic rubber 801 then can promote contact plate 803 to remove, until contact plate 803 and heat conduction piece 6 contact, because heat conduction piece 6 and heat dissipation metal 4 contact, make heat dissipation metal 4 can carry out heat-conduction with heat conduction piece 6, contact plate 803 contacts with heat conduction piece 6 again, and then can carry out heat-conduction to contact plate 803, because contact plate 803 and heat conduction metal 1 contact again, and then can increase the radiating effect of heat dissipation metal 4 to heat conduction metal 1, avoid the too high condition that leads to catching fire of cable temperature to appear, and can reduce the damage that high temperature caused this cable, improve the life of this cable.

The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. New energy automobile is with high temperature resistant shielded cable, including heat conduction metal (1), its characterized in that: the utility model discloses a heat-conducting metal (1) and its preparation method, including heat conduction metal (1), seted up evenly distributed's mounting hole (2), the inner wall of mounting hole (2) is provided with electric core (3), the outside fixedly connected with heat dissipation metal (4) of heat conduction metal (1), the outside of heat dissipation metal (4) is provided with wearing layer (5), inboard fixedly connected with evenly distributed's of heat dissipation metal (4) heat conduction piece (6), evenly distributed's dysmorphism groove (7) have been seted up on heat conduction metal (1), one side of heat conduction piece (6) is located the inside of dysmorphism groove (7), be provided with trigger structure (8) on dysmorphism groove (7).

2. The high-temperature-resistant shielding cable for the new energy automobile according to claim 1, wherein: trigger structure (8) include two elastic rubber (801), two the both sides of elastic rubber (801) all with the inner wall fixed connection of dysmorphism groove (7), two all constitute between elastic rubber (801) and dysmorphism groove (7) cavity (802), two the inside of cavity (802) all is filled with carbon dioxide gas, the inner wall interlude of dysmorphism groove (7) has two contact plates (803), two all overlap on contact plate (803) and be equipped with spring (804), two the both ends of spring (804) respectively with heat conduction metal (1) and two contact plates (803) fixed connection.

3. The high-temperature-resistant shielding cable for the new energy automobile according to claim 2, characterized in that: one side of the contact plate (803) is fixedly connected with a radiating fin (9), and the outer side of the radiating fin (9) is connected with the heat conducting metal (1) in a sliding mode.

4. The high-temperature-resistant shielding cable for the new energy automobile according to claim 1, wherein: the wear-resistant layer (5) is made of a silicone rubber layer.

5. The high-temperature-resistant shielding cable for the new energy automobile according to claim 1, wherein: one side fixedly connected with insulating layer (10) of heat conduction piece (6), the material of insulating layer (10) is the rock wool layer.

6. The high-temperature-resistant shielding cable for the new energy automobile according to claim 1, wherein: the inner wall of the mounting hole (2) is fixedly connected with a heat-conducting rubber layer (11), and the inner ring of the heat-conducting rubber layer (11) is in contact with the battery cell (3).