Novel high-voltage shielding cable for new energy automobile

By designing an adjustable external protective layer structure and conductive terminal connection, the problem of sheath wear after bending of medium and high-voltage cables in new energy vehicles is solved, and flexible adjustment of cable length and partial replacement is achieved, reducing the cost of use, and improving the cost of use. The cable has moisture-proof and high temperature resistance.

CN222354807UActive Publication Date: 2025-01-14HENAN PUTIAN WIRE & CABLE CO LTD
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Patent Information

Application Number
CN202420939331.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-01-14
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

After long-term bending, the outermost sheath of the medium and high-voltage cables of new energy vehicles are prone to wear and break, resulting in exposure of the shielding layer and increasing the cost of replacing the cable.

Method used

A new type of high-voltage shielded cable is designed, adopting an adjustable outer protective layer structure, connected by a circle and an L-shaped block, combined with a spring and a limiting disk to adjust and replace the cable length, making it easier to replace only when the conductive terminal is broken Damaged part.

Benefits of technology

It realizes flexible adjustment of cable length and partial replacement, reducing the cost of use. At the same time, the moisture-proof and high-temperature resistance of the cable are improved through the aluminum moisture-proof layer and the silicon carbide high-temperature resistance layer, avoiding the replacement of the entire cable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cables, and provides a novel high-voltage shielding cable for a new energy automobile, which comprises an outer protection layer, the outer surface of the outer protection layer is fixedly connected with a circle, the inner wall of the circle is provided with a plurality of clamping holes, and the outer surface of the outer protection layer is fixedly connected with a plurality of L-shaped blocks. When one outer protection layer is bent or the inner conductive terminal is broken, the pull rod can be pulled to drive the limiting disc and the clamping rod to move, and the conductive terminal is inserted into the inner part of the end hole side, so that the length of the cable body is increased, and data transmission and power-on can be performed between the cable body and the outer protection layer. And after the clamping rod is separated from the interior of the clamping hole, one outer protection layer can be separated from the other outer protection layer for replacement, and the whole very long conductive terminal does not need to be replaced, so that the use cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of cables, and in particular to a novel high-voltage shielded cable for new energy vehicles. Background Art

[0002] At present, the energy form of most motor vehicles is still oil and gas. Oil and gas are non-renewable energy sources. With the increase of use and dependence, the phenomenon of withering is becoming more and more serious, and it will cause serious environmental pollution. New energy vehicles use renewable electricity as a power source. my country's new energy vehicle industry is a rising star in the automotive industry. Its development in just over ten years has formed a relatively complete technical system, product system, standard system and management system, and has been identified as the leading direction for the future development of my country's automotive industry. The electric drive and control system is the core of electric vehicles. Electricity is transmitted to each other through high-voltage cables in the car, so the high-voltage cables in the car are the core components of power transmission and distribution. Its importance is self-evident.

[0003] Shielded cable is a transmission line that uses a metal mesh braided layer to wrap the signal line. At present, new energy vehicles mostly use high-voltage shielded cables as in-vehicle lines. Due to the small space inside the car, in order to install and arrange the shielded cable, the cable will be bent at a large angle, which will cause the outermost sheath layer of the cable to easily wear and break under long-term bending, thereby exposing the shielding layer. When the shielding layer is worn, the cable shielding in this area will fail. When damage and breakage occur, the entire cable will be replaced, increasing the cost of use. Utility Model Content

[0004] The utility model aims to solve the problem that the outermost sheath layer of the cable is easily worn and broken under long-term bending, thereby exposing the shielding layer. After the damage and breakage, the whole cable needs to be replaced, which increases the cost of use.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a new type of high-voltage shielded cable for new energy vehicles, including: an outer protective layer, the outer surface of the outer protective layer is fixedly connected to a circle, the inner wall of the circle is provided with multiple clamping holes, and the outer surface of the outer protective layer is fixedly connected to multiple L-shaped blocks.

[0006] The technical effect of adopting the above further scheme is that the overall length of the cable body can be adjusted and used according to the actual needs on site. After picking up the other outer protective layer, it is clamped into the inside of the circular groove through the circle, and then the pull rod is pulled to drive the limit plate and the clamping rod to move to one side. After movement, the clamping rod is clamped into the inside of the clamping hole, thereby connecting the two outer protective layers together.

[0007] As a preferred embodiment, a plurality of L-shaped blocks are movably embedded with pull rods, and one end of the plurality of pull rods is fixedly connected to a limiting disk.

[0008] The technical effect of adopting the above further solution is that the spring limits the limit plate, so that the clamping rod is firmly clamped inside the clamping hole to limit it.

[0009] As a preferred embodiment, the tops of the outer surfaces of the plurality of limit plates are fixedly connected with springs, and one ends of the plurality of springs are fixedly connected to the outer surfaces of the plurality of L-shaped blocks.

[0010] The technical effect of adopting the above further solution is that the spring has a limiting function, which facilitates the removal and installation of the outer protective layer.

[0011] As a preferred embodiment, the outer surfaces of the plurality of limit plates are fixedly connected with clamping rods, and the plurality of clamping rods are movably embedded in the inner wall of the outer protective layer. A circular groove is opened on the outer surface of the outer protective layer, and the circle is movably embedded in the inside of the circular groove.

[0012] The technical effect of adopting the above further solution is that the circle is stuck inside the circular groove.

[0013] As a preferred embodiment, the plurality of clamping rods are movably embedded in the plurality of clamping holes, the interior of the outer protective layer is fixedly connected with a moisture-proof layer, and the interior of the moisture-proof layer is fixedly connected with an aluminum mesh.

[0014] The technical effect of adopting the above further solution is that the moisture-proof layer is made of aluminum, has movable moisture-proof properties and makes the entire device more solid.

[0015] As a preferred implementation, a high temperature resistant layer is fixedly connected to the inner surface of the aluminum mesh, a cotton loop is fixedly connected to the inner surface of the high temperature resistant layer, and a cable body is fixedly connected to the inner surface of the cotton loop.

[0016] The technical effect of adopting the above further solution is that the material of the high temperature resistant layer is silicon carbide, which has a certain high temperature resistance.

[0017] As a preferred embodiment, a conductive terminal is fixedly connected to the outer surface of the cable body, an end hole is opened on the outer surface of the cable body, the moisture-proof layer is made of aluminum, the high temperature resistant layer is made of silicon carbide, and the inner wall of the outer protective layer is opened with multiple through holes.

[0018] The technical effect of adopting the above further solution is that the cotton ring protects the internal cable body, preventing the cable body from being damaged by external compression, and has a buffering effect.

[0019] Compared with the prior art, the advantages and positive effects of the utility model are:

[0020] 1. The utility model can adjust the overall length of the cable body when in use, and can be used according to the actual needs on site. After picking up the other outer protective layer, it is clamped into the inside of the circular groove through the circle, and then the pull rod is pulled to drive the limit plate and the clamping rod to move to one side. After the movement, the clamping rod is clamped in the inside of the clamping hole, so that the two outer protective layers are connected together. At the same time, the conductive terminal is inserted into the inside of the end hole side. At this time, the length of the cable body becomes longer, and data can be transmitted and power can be supplied between them. When one of the outer protective layers is bent or the internal conductive terminal is broken, the pull rod can be pulled to drive the limit plate and the clamping rod to move. After the clamping rod is detached from the inside of the clamping hole, one of the outer protective layers can be separated from the other outer protective layer and replaced. There is no need to replace the entire long conductive terminal, which reduces the cost of use.

[0021] 2. In the present utility model, when in use, the moisture-proof layer is made of aluminum, which has movable moisture-proof properties and makes the entire device more solid. The cotton ring protects the internal cable body to prevent the cable body from being damaged by external extrusion, and has a buffering effect. The high-temperature resistant layer is made of silicon carbide, which has certain high-temperature resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model proposes a three-dimensional structural schematic diagram of a new type of high-voltage shielded cable for new energy vehicles;

[0023] Figure 2 The utility model provides a schematic diagram of the front plan structure of a new type of high-voltage shielded cable for new energy vehicles;

[0024] Figure 3 The utility model proposes a rear view structural schematic diagram of a new type of high-voltage shielded cable for new energy vehicles;

[0025] Figure 4 The utility model provides a side view structural schematic diagram of a new type of high-voltage shielded cable for new energy vehicles.

[0026] Legend: 101, outer protective layer; 102, circle; 103, clamping hole; 104, L-shaped block; 105, spring; 106, pull rod; 107, limit plate; 108, clamping rod; 109, moisture-proof layer; 110, aluminum mesh; 111, high temperature resistant layer; 112, cotton ring; 113, cable body; 114, conductive terminal; 115, end hole; 116, through hole; 117, circular groove. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0029] See also Figure 1-4 The utility model provides a new type of high-voltage shielded cable for new energy vehicles, including: an outer protective layer 101, a circle 102 is fixedly connected to the outer surface of the outer protective layer 101, and a plurality of clamping holes 103 are opened on the inner wall of the circle 102. A plurality of L-shaped blocks 104 are fixedly connected to the outer surface of the outer protective layer 101. The overall length of the conductive terminal 114 can be adjusted and used according to the actual needs of the site. After picking up another outer protective layer 101, it is clamped into the inside of the circular groove 117 through the circle 102, and then the pull rod 106 is pulled to drive the limit plate 107 and the clamping rod 108 to move to one side. After the movement, the clamping rod 108 is clamped in the inside of the clamping hole 103, so that the two outer protective layers 101 are connected together.

[0030] like Figure 1-4 As shown, a plurality of L-shaped blocks 104 are movably embedded with pull rods 106, one end of each of the pull rods 106 is fixedly connected to a limit plate 107, and a spring 105 limits the limit plate 107, so that the clamping rod 108 is firmly clamped in the clamping hole 103 to limit it.

[0031] like Figure 1-4 As shown, the tops of the outer surfaces of the plurality of limit plates 107 are fixedly connected with springs 105, and one ends of the plurality of springs 105 are fixedly connected to the outer surfaces of the plurality of L-shaped blocks 104. The springs 105 have a limiting function, which facilitates the disassembly and installation of the outer protective layer 101.

[0032] like Figure 1-4 As shown, the outer surfaces of multiple limit plates 107 are fixedly connected with clamping rods 108, and the multiple clamping rods 108 are movably embedded in the inner wall of the outer protective layer 101. The outer surface of the outer protective layer 101 is provided with a circular groove 117, and the circle 102 is movably embedded in the inside of the circular groove 117, and the circle 102 is clamped in the inside of the circular groove 117.

[0033] like Figure 1-4As shown, multiple clamping rods 108 are movably embedded in multiple clamping holes 103, the outer protective layer 101 is fixedly connected to the inside with a moisture-proof layer 109, and the moisture-proof layer 109 is fixedly connected to the inside with an aluminum mesh 110. The moisture-proof layer 109 is made of aluminum, has movable moisture-proof properties and makes the entire device more solid.

[0034] like Figure 1-4 As shown, the inner surface of the aluminum mesh 110 is fixedly connected with a high temperature resistant layer 111, the inner surface of the high temperature resistant layer 111 is fixedly connected with a cotton ring 112, the inner surface of the cotton ring 112 is fixedly connected with a cable body 113, and the material of the high temperature resistant layer 111 is silicon carbide, which has certain high temperature resistance.

[0035] like Figure 1-4 As shown, the outer surface of the cable body 113 is fixedly connected with a conductive terminal 114, the outer surface of the cable body 113 is provided with an end hole 115, the moisture-proof layer 109 is made of aluminum, the high temperature resistant layer 111 is made of silicon carbide, the inner wall of the outer protective layer 101 is provided with a plurality of through holes 116, and the cotton ring 112 protects the internal cable body 113 to prevent the cable body 113 from being crushed by external extrusion, and has a buffering effect.

[0036] Working principle: When in use, the overall length of the conductive terminal 114 can be adjusted according to the actual needs of the site. After picking up the other outer protective layer 101, it is clamped into the inside of the circular groove 117 through the circle 102, and then the pull rod 106 is pulled to drive the limit plate 107 and the clamping rod 108 to move to one side. After moving, the clamping rod 108 is clamped in the inside of the clamping hole 103, so that the two outer protective layers 101 are connected together, and the conductive terminal 114 is inserted into the inside of the end hole 115 side. At this time, the length of the cable body 113 becomes longer, and data can be transmitted and power can be supplied between them. When one of the outer protective layers 101 is bent or the internal conductive terminal 114 is broken, the pull rod 106 can be pulled to drive the limit plate 107 and the clamping rod 108 to move. After the clamping rod 108 is detached from the inside of the clamping hole 103, one of the outer protective layers 101 can be separated from the other outer protective layer 101 and replaced. There is no need to replace the entire long conductive terminal 114, which reduces the cost of use. The moisture-proof layer 109 is made of aluminum, which has movable moisture-proof properties and makes the entire device more solid. The cotton ring 112 protects the internal cable body 113 to prevent the cable body 113 from being crushed by external extrusion and has a buffering effect. The high-temperature resistant layer 111 is made of silicon carbide and has certain high-temperature resistance.

[0037] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A new type of high-voltage shielded cable for new energy vehicles, characterized in that: include: An outer protective layer (101), wherein a circle (102) is fixedly connected to the outer surface of the outer protective layer (101), a plurality of clamping holes (103) are provided on the inner wall of the circle (102), and a plurality of L-shaped blocks (104) are fixedly connected to the outer surface of the outer protective layer (101).

2. According to claim 1, a new type of high-voltage shielded cable for new energy vehicles is characterized in that: A plurality of L-shaped blocks (104) are each movably embedded with a pull rod (106), and one end of each of the plurality of pull rods (106) is fixedly connected to a limiting disk (107).

3. A new type of high voltage shielded cable for new energy vehicles according to claim 2, characterized in that: The tops of the outer surfaces of the plurality of limit plates (107) are fixedly connected to springs (105), and one ends of the plurality of springs (105) are fixedly connected to the outer surfaces of the plurality of L-shaped blocks (104).

4. A new type of high voltage shielded cable for new energy vehicles according to claim 3, characterized in that: The outer surfaces of the plurality of limit plates (107) are all fixedly connected with clamping rods (108), and the plurality of clamping rods (108) are all movably embedded in the inner wall of the outer protective layer (101). The outer surface of the outer protective layer (101) is provided with a circular groove (117), and the circle (102) is movably embedded in the interior of the circular groove (117).

5. A new type of high voltage shielded cable for new energy vehicles according to claim 4, characterized in that: The plurality of clamping rods (108) are movably embedded in the plurality of clamping holes (103); the interior of the outer protective layer (101) is fixedly connected to a moisture-proof layer (109); and the interior of the moisture-proof layer (109) is fixedly connected to an aluminum mesh (110).

6. A new type of high voltage shielded cable for new energy vehicles according to claim 5, characterized in that: The inner surface of the aluminum mesh (110) is fixedly connected to a high temperature resistant layer (111), the inner surface of the high temperature resistant layer (111) is fixedly connected to a cotton ring (112), and the inner surface of the cotton ring (112) is fixedly connected to a cable body (113).

7. A new type of high voltage shielded cable for new energy vehicles according to claim 6, characterized in that: The outer surface of the cable body (113) is fixedly connected to a conductive terminal (114), the outer surface of the cable body (113) is provided with an end hole (115), the moisture-proof layer (109) is made of aluminum, the high-temperature resistant layer (111) is made of silicon carbide, and the inner wall of the outer protective layer (101) is provided with a plurality of through holes (116).

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