High-temperature-resistant flame-retardant composite power cable for new energy automobile

By adopting a combination design of hollow tube, curved plate, buffer assembly, spring and high-temperature insulation cotton layer in the composite power cable of new energy vehicles, the composite power cable is solved when poor durability and pressure under high temperature environments are encountered. The problem of shortening service life has achieved higher high temperature resistance and service life.

CN222440242UActive Publication Date: 2025-02-07WUXI HUACHENG CABLE CO LTD
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Patent Information

Application Number
CN202421723739.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-21
Publication Date
2025-02-07
Estimated Expiration
2034-07-21

AI Technical Summary

Technical Problem

The existing composite power cables have poor durability in high temperature environments, and the pressure and vibrations exposed during laying and use will shorten the service life of the cables and affect the normal operation of internal parts of new energy vehicles.

Method used

A high-temperature flame-retardant composite power cable for new energy vehicles is designed, adopting a combined structure of the first hollow tube and the arc plate, and a buffer assembly and a spring are provided therebetween, plus a high-temperature heat-resistant cotton layer and Multi-layer insulation protective cover.

Benefits of technology

Through the design of buffer components and springs, the pressure and vibration of the cable can be effectively offset, extending the service life of the cable; the high-temperature insulation cotton layer improves the high-temperature resistance of the cable and expands its application range.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of cables, and particularly relates to a high-temperature-resistant flame-retardant composite power cable for a new energy automobile, which comprises a first hollow pipe, a plurality of arc-shaped plates are annularly arranged on the outer side of the first hollow pipe, and a buffer assembly is arranged between the first hollow pipe and the arc-shaped plates. A wire core is fixedly installed on the arc-shaped plate, a first insulating layer is arranged on the outer surface of the wire core, a first protective sleeve is arranged on the outer surface of the first insulating layer, the first insulating layer is made of butadiene styrene rubber, and the first protective sleeve is made of butyl rubber. According to the cable, when the cable is stressed, the stressed pressure can be counteracted and buffered, so that a cable core in the cable can be protected, and the service life of the cable is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high temperature resistant and flame retardant composite power cable for new energy vehicles. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. The rapid development of new energy vehicles will inevitably ensure that their internal cables need to have better durability and safety.

[0003] The existing composite power cables have poor high temperature resistance when in use, and when the cables are laid and used subsequently, external pressure and vibration will directly act on the wire core inside the cables, which will seriously affect the service life of the cables themselves, and thus be detrimental to the normal operation of the internal components of new energy vehicles. Therefore, a high temperature resistant and flame retardant composite power cable for new energy vehicles is invented. Utility Model Content

[0004] In view of the above-mentioned and / or existing problems in a high temperature resistant and flame retardant composite power cable for new energy vehicles, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a high temperature resistant and flame retardant composite power cable for new energy vehicles, which can solve the above-mentioned existing problems.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A high temperature resistant and flame retardant composite power cable for new energy vehicles comprises a first hollow tube, a plurality of arc plates are arranged in a ring shape on the outer side of the first hollow tube, a buffer component is arranged between the first hollow tube and the arc plates, and a wire core is fixedly mounted on the arc plates.

[0008] As a preferred solution of the high temperature resistant and flame retardant composite power cable for new energy vehicles described in the utility model, the outer surface of the wire core is provided with a first insulating layer, and the outer surface of the first insulating layer is provided with a first protective cover.

[0009] As a preferred solution of the high temperature resistant and flame retardant composite power cable for new energy vehicles described in the utility model, the material of the first insulating layer is set to styrene-butadiene rubber, and the material of the first protective cover is set to butyl rubber.

[0010] As a preferred solution of a high-temperature resistant and flame-retardant composite power cable for new energy vehicles described in the utility model, wherein: the outer surfaces of the first protective covers are provided with a second protective cover, the outer surface of the second protective cover is provided with a second insulating layer, the outer surface of the second insulating layer is provided with a high-temperature resistant heat-insulating cotton layer, and the outer surface of the high-temperature resistant heat-insulating cotton layer is provided with a rubber protective cover.

[0011] As a preferred solution of the high temperature resistant and flame retardant composite power cable for new energy vehicles described in the utility model, the material of the second protective cover is set to butyl rubber, and the material of the second insulating layer is set to styrene-butadiene rubber.

[0012] As a preferred solution of the high-temperature resistant and flame-retardant composite power cable for new energy vehicles described in the utility model, wherein: a mounting hole is opened in the rubber protective cover, a third spring is fixedly installed in the mounting hole, and the shape of the third spring is spiral.

[0013] As a preferred solution of a high temperature resistant and flame retardant composite power cable for new energy vehicles described in the utility model, the buffer component includes:

[0014] A second hollow tube, wherein the second hollow tube is fixedly mounted on the first hollow tube;

[0015] A first solid rod, wherein the first solid rod is slidably connected in the second hollow tube, and an arc plate is fixedly mounted on one end of the first solid rod;

[0016] A first spring, one end of which is fixedly mounted on the arc-shaped plate, and the other end of which is fixedly mounted on the second hollow tube;

[0017] A chute, wherein both ends of the second hollow tube are provided with a chute;

[0018] Limiting columns, both ends of the first solid rod are fixedly installed with limiting columns, and the limiting columns are slidably connected in the sliding groove.

[0019] As a preferred solution of a high temperature resistant and flame retardant composite power cable for new energy vehicles described in the utility model, the buffer component includes:

[0020] A second solid rod, wherein the second solid rod is slidably connected to the first hollow tube, and an arc plate is fixedly mounted on one end of the second solid rod;

[0021] A second spring, one end of the second spring is fixedly mounted on the arc plate, and the other end of the second spring is fixedly mounted on the first hollow tube;

[0022] A positioning plate is fixedly mounted on the other end of the second solid rod.

[0023] Compared with existing technologies:

[0024] 1. By setting the buffer assembly and the third spring, when the cable is under pressure, the pressure can be offset and buffered, thereby protecting the wire core in the cable to increase the service life of the cable. In addition, in the utility model, double buffering of the cable can be achieved, further improving the protection effect.

[0025] 2. By setting a high-temperature resistant heat-insulating cotton layer, the high-temperature resistance of the cable can be improved. By improving the high-temperature resistance of the cable, not only the service life of the cable can be further improved, but also the scope of use of the cable can be increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic front view of the structure of Embodiment 1 of the utility model;

[0027] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0028] Figure 3 This is a cross-sectional schematic diagram of the rubber protective cover of the utility model;

[0029] Figure 4 This is a schematic diagram of the first hollow tube structure of the utility model;

[0030] Figure 5 It is a front view schematic diagram of the structure of Example 2 of the utility model.

[0031] In the figure: a first hollow tube 10, an arc-shaped plate 20, a second hollow tube 30, a first solid rod 31, a first spring 32, a slide groove 33, a limit column 34, a second solid rod 36, a second spring 37, a positioning plate 38, a core 50, a first insulating layer 51, a first protective cover 52, a second protective cover 60, a second insulating layer 70, a high temperature resistant heat-insulating cotton layer 80, a rubber protective cover 90, and a third spring 91. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] Embodiment 1:

[0034] The utility model provides a high temperature resistant and flame retardant composite power cable for new energy vehicles. Figure 1-Figure 4, comprising a first hollow tube 10, a plurality of arc plates 20 are arranged in a ring shape on the outer side of the first hollow tube 10, a buffer assembly is arranged between the first hollow tube 10 and the arc plate 20, a wire core 50 is fixedly mounted on the arc plate 20, a first insulating layer 51 is arranged on the outer surface of the wire core 50, a first protective cover 52 is arranged on the outer surface of the first insulating layer 51, the material of the first insulating layer 51 is set to styrene-butadiene rubber, the material of the first protective cover 52 is set to butyl rubber, a plurality of second protective covers 60 are arranged on the outer surface of the first protective covers 52, and the second protective covers 60 are arranged on the outer surface of the plurality of first protective covers 52. The outer surface of the sheath 60 is provided with a second insulating layer 70, and the outer surface of the second insulating layer 70 is provided with a high temperature resistant heat insulating cotton layer 80. By providing the high temperature resistant heat insulating cotton layer 80, the high temperature resistance of the cable can be improved. The outer surface of the high temperature resistant heat insulating cotton layer 80 is provided with a rubber protective sleeve 90. The material of the second protective sleeve 60 is set to butyl rubber, and the material of the second insulating layer 70 is set to styrene-butadiene rubber. A mounting hole is opened in the rubber protective sleeve 90, and a third spring 91 is fixedly installed in the mounting hole, and the shape of the third spring 91 is set to be spiral. Among them, a damper (not marked in the figure) can be provided between the first hollow tube 10 and the curved plate 20 as required.

[0035] The buffer assembly includes: a second hollow tube 30, a first solid rod 31, a first spring 32, a slide groove 33, and a limiting column 34;

[0036] The second hollow tube 30 is fixedly mounted on the first hollow tube 10, the first solid rod 31 is slidably connected in the second hollow tube 30, and one end of the first solid rod 31 is fixedly mounted on the arc plate 20, one end of the first spring 32 is fixedly mounted on the arc plate 20, and the other end of the first spring 32 is fixedly mounted on the second hollow tube 30, both ends of the second hollow tube 30 are provided with sliding grooves 33, both ends of the first solid rod 31 are fixedly mounted with limiting columns 34, and the limiting columns 34 are slidably connected in the sliding grooves 33.

[0037] Working principle: When the cable is subjected to pressure, the first spring 32 and the third spring 91 will deform to generate elastic force, and at this time, the squeezing force will be offset to a certain extent by the elastic force.

[0038] Embodiment 2:

[0039] The utility model provides a high temperature resistant and flame retardant composite power cable for new energy vehicles. Figure 5 ;

[0040] The buffer assembly includes: a second solid rod 36, a second spring 37, and a positioning plate 38;

[0041] The second solid rod 36 is slidably connected to the first hollow tube 10, and one end of the second solid rod 36 is fixedly mounted on the arc plate 20, one end of the second spring 37 is fixedly mounted on the arc plate 20, and the other end of the second spring 37 is fixedly mounted on the first hollow tube 10, and the positioning plate 38 is fixedly mounted on the other end of the second solid rod 36.

[0042] Working principle: When the cable is subjected to pressure, the second spring 37 and the third spring 91 will deform to generate elastic force, and at this time, the squeezing force will be offset to a certain extent by the elastic force.

[0043] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A high temperature resistant and flame retardant composite power cable for new energy vehicles, characterized in that: It comprises a first hollow tube (10), a plurality of arc-shaped plates (20) are arranged in a ring shape on the outer side of the first hollow tube (10), a buffer component is provided between the first hollow tube (10) and the arc-shaped plate (20), and a wire core (50) is fixedly mounted on the arc-shaped plate (20).

2. A high temperature resistant and flame retardant composite power cable for new energy vehicles according to claim 1, characterized in that: The outer surface of the wire core (50) is provided with a first insulating layer (51), and the outer surface of the first insulating layer (51) is provided with a first protective cover (52).

3. A high temperature resistant and flame retardant composite power cable for new energy vehicles according to claim 2, characterized in that: The material of the first insulating layer (51) is styrene-butadiene rubber, and the material of the first protective sleeve (52) is butyl rubber.

4. A high temperature resistant and flame retardant composite power cable for new energy vehicles according to claim 2, characterized in that: The outer surfaces of the plurality of first protective covers (52) are provided with second protective covers (60), the outer surface of the second protective covers (60) is provided with a second insulating layer (70), the outer surface of the second insulating layer (70) is provided with a high temperature resistant heat insulating cotton layer (80), and the outer surface of the high temperature resistant heat insulating cotton layer (80) is provided with a rubber protective cover (90).

5. A high temperature resistant and flame retardant composite power cable for new energy vehicles according to claim 4, characterized in that: The material of the second protective sleeve (60) is butyl rubber, and the material of the second insulating layer (70) is styrene-butadiene rubber.

6. A high temperature resistant and flame retardant composite power cable for new energy vehicles according to claim 4, characterized in that: The rubber protective sleeve (90) is provided with a mounting hole, in which a third spring (91) is fixedly mounted, and the shape of the third spring (91) is a spiral.

7. The high temperature resistant and flame retardant composite power cable for new energy vehicles according to claim 1, characterized in that: The buffer assembly comprises: A second hollow tube (30), wherein the second hollow tube (30) is fixedly mounted on the first hollow tube (10); A first solid rod (31), wherein the first solid rod (31) is slidably connected in the second hollow tube (30), and an arc-shaped plate (20) is fixedly mounted on one end of the first solid rod (31); A first spring (32), one end of the first spring (32) being fixedly mounted on the arc-shaped plate (20), and the other end of the first spring (32) being fixedly mounted on the second hollow tube (30); A slide groove (33), wherein both ends of the second hollow tube (30) are provided with a slide groove (33); A limiting column (34), wherein both ends of the first solid rod (31) are fixedly mounted with the limiting columns (34), and the limiting columns (34) are slidably connected in the sliding groove (33).

8. The high temperature resistant and flame retardant composite power cable for new energy vehicles according to claim 1, characterized in that: The buffer assembly comprises: A second solid rod (36), wherein the second solid rod (36) is slidably connected to the first hollow tube (10), and an arc plate (20) is fixedly mounted on one end of the second solid rod (36); A second spring (37), one end of the second spring (37) being fixedly mounted on the arc-shaped plate (20), and the other end of the second spring (37) being fixedly mounted on the first hollow tube (10); A positioning plate (38) is fixedly mounted on the other end of the second solid rod (36).