High-voltage cable with high safety

By introducing bending-resistant components into high-voltage cables, the problem of damage to the outer layer of high-voltage cables when bending is solved, the bending strength and safety are improved, and the service life is extended.

CN222867293UActive Publication Date: 2025-05-13LANGFANG SAN ELECTRIC CABLE CO LTD
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Patent Information

Application Number
CN202421422191.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-05-13
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

High-voltage cables are susceptible to excessive bending during the layout process, resulting in damage to the outer layer, reducing safety and affecting service life.

Method used

A high-voltage cable including a high-voltage cable body and a bending resistant assembly is designed. The bending resistant assembly includes a bending resistant member and a bending groove. The force is transmitted to the dispersed part through the bending resistant member, and is buffered by the buffer portion after dispersion to improve bending strength and safety.

Benefits of technology

By setting up bending resistant components, the bending strength and safety of high-voltage cables are improved, the service life is extended, and the force of high-voltage cables is effectively buffered.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a high-voltage cable with high safety, which belongs to the technical field of high-voltage cables and comprises a high-voltage cable body and a bending-resistant component. The high-voltage cable body comprises an outer protective layer, an inner protective layer, a flame-retardant layer, an insulating layer, a cable core protective layer and a cable core body; the inner protection layer is arranged in the outer protection layer through the bending-resistant assembly; the flame-retardant layer is arranged in the inner protective layer; the insulating layer is arranged in the flame-retardant layer; the wire core protection layer is arranged in the insulating layer; the plurality of wire core bodies are arranged in the wire core protection layer in an annular array; the bending-resistant assembly comprises a bending-resistant piece and a bending-resistant groove. The plurality of bending-resistant pieces are fixedly arranged on the inner protection layer in an annular array; according to the high-voltage cable with high safety, the bending strength of the high-voltage cable body can be improved, acting force borne by the high-voltage cable body when the high-voltage cable body is bent can be buffered, the safety of the high-voltage cable body is greatly improved, and therefore the service life of the high-voltage cable body is prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of high-voltage cables, in particular to a high-voltage cable with high safety. Background Art

[0002] Cable is a general term for items such as optical cables and electrical cables. Cables have many uses, mainly used for control installation, connecting equipment, transmitting electricity and other multiple functions. They are common and indispensable in daily life. Since cables are charged, installation requires special caution. High-voltage cables are a type of cable, which refers to cables used to transmit between 1kv-1000kv, and are mostly used in power transmission and distribution.

[0003] At present, high-voltage cables on the market are easily subjected to excessive bending during arrangement, which may cause damage to the outer layer of the high-voltage cables. This will not only reduce the safety of the high-voltage cables, but also affect the service life of the high-voltage cables. Utility Model Content

[0004] The purpose of the utility model is to provide a high-voltage cable with high safety to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-voltage cable with high safety, comprising a high-voltage cable body and a bend-resistant component; wherein the high-voltage cable body comprises an outer protective layer, an inner protective layer, a flame retardant layer, an insulating layer, a core protective layer and a core body; the inner protective layer is arranged in the outer protective layer through the bend-resistant component; the flame retardant layer is arranged in the inner protective layer; the insulating layer is arranged in the flame retardant layer; the core protective layer is arranged in the insulating layer; a plurality of core bodies are arranged in the core protective layer in an annular array; wherein the bend-resistant component comprises bend-resistant parts and bend-resistant grooves; a plurality of the bend-resistant parts are fixedly arranged on the inner protective layer in an annular array and fixedly connected to the outer protective layer; the bend-resistant parts are symmetrically provided with bend-resistant grooves on both sides.

[0006] As a preferred embodiment, the bending-resistant groove includes a buffer portion and a dispersion portion; the buffer portion is an arc-shaped structure.

[0007] As a preferred embodiment, there are two dispersing parts, each of which is in an inclined structure, and a distance between two dispersing parts close to the buffer part is smaller than a distance between two dispersing parts away from the buffer part.

[0008] As a preferred embodiment, the buffer portion and the two dispersion portions form an arched structure with an opening direction facing outward.

[0009] As a preferred embodiment, it further comprises a pressure-bearing component; the pressure-bearing component is arranged on the dispersion portion.

[0010] As a preferred embodiment, the pressure-bearing component includes a connecting member and a pressure-bearing member; the connecting member is fixedly arranged on the dispersion portion; and two ends of the pressure-bearing member are respectively fixedly connected to two opposite ends of the connecting members.

[0011] As a preferred embodiment, the pressure bearing member has a Z-shaped structure.

[0012] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0013] The high-voltage cable with high safety is provided with a bending-resistant component. When the high-voltage cable body is bent, the outer protective layer, the inner protective layer, the flame-retardant layer, the insulating layer, the core protective layer and the core body will bend, so that the bending-resistant component will bend, and the force applied to the high-voltage cable body will be transmitted to the dispersion part through the bending-resistant component, so that the dispersion part disperses the force, and after the dispersion, the force will be buffered by the buffer part. This can not only improve the bending strength of the high-voltage cable body, but also buffer the force applied to the high-voltage cable body when it is bent, thereby greatly improving the safety of the high-voltage cable body and extending the service life of the high-voltage cable body.

[0014] The high-voltage cable with high safety is provided with connecting parts and pressure-bearing parts, so that when the dispersion part disperses the force, it will transfer part of the force to the connecting part, and the connecting part will transfer the force to the pressure-bearing part. The shape of the pressure-bearing part can withstand and buffer this part of the force, further improving the service life of the high-voltage cable body, and the Z-shaped pressure-bearing part can not only play a good supporting role, but also better withstand the force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the partial structure disassembly of the utility model;

[0019] Figure 4 For the utility model Figure 2 Enlarged schematic diagram at point A in the middle.

[0020] Description of reference numerals:

[0021] In the figure:

[0022] 1. High-voltage cable body; 2. Bending-resistant components; 3. Pressure-bearing components;

[0023] 101, outer protective layer; 102, inner protective layer; 103, flame retardant layer; 104, insulating layer; 105, core protective layer; 106, core body;

[0024] 201, bending-resistant parts; 202, bending-resistant grooves;

[0025] 2021, buffer unit; 2022, dispersion unit;

[0026] 301. Connecting parts; 302. Pressure-bearing parts. DETAILED DESCRIPTION

[0027] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0028] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0029] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0030] See also Figures 1 to 4As shown, this embodiment includes a high-voltage cable body 1 and a bending-resistant component 2; wherein the high-voltage cable body 1 includes an outer protective layer 101, an inner protective layer 102, a flame retardant layer 103, an insulating layer 104, a core protective layer 105 and a core body 106; the inner protective layer 102 is arranged in the outer protective layer 101 through the bending-resistant component 2; the flame retardant layer 103 is arranged in the inner protective layer 102; the insulating layer 104 is arranged in the flame retardant layer 103; the core protective layer 105 is arranged in the insulating layer 104; three core bodies 106 are arranged in the core protective layer 105 in an annular array; wherein the bending-resistant component 2 includes a bending-resistant part 201 and a bending-resistant groove 202; if A plurality of bending-resistant parts 201 are fixedly arranged on the inner protective layer 102 in a ring array and fixedly connected to the outer protective layer 101; bending-resistant grooves 202 are symmetrically opened on both sides of the bending-resistant parts 201; wherein, the bending-resistant grooves 202 include a buffer portion 2021 and a dispersion portion 2022; the buffer portion 2021 is an arc-shaped structure, and there are two dispersion portions 2022, which are inclined structures, and the distance between the two dispersion portions 2022 close to one end of the buffer portion 2021 is smaller than the distance between the two dispersion portions 2022 away from one end of the buffer portion 2021, and the buffer portion 2021 and the two dispersion portions 2022 constitute an arched structure with the opening direction facing outward.

[0031] The utility model provides a bending-resistant component 2. When the high-voltage cable body 1 is bent, the outer protective layer 101, the inner protective layer 102, the flame-retardant layer 103, the insulating layer 104, the core protective layer 105 and the core body 106 will bend, so that the bending-resistant component 201 will bend, and the force applied to the high-voltage cable body 1 will be transmitted to the dispersion part 2022 through the bending-resistant component 201, so that the dispersion part 2022 disperses the force, and after the dispersion, the force will be buffered by the buffer part 2021. This can not only improve the bending strength of the high-voltage cable body 1, but also buffer the force applied to the high-voltage cable body 1 when it is bent, thereby greatly improving the safety of the high-voltage cable body 1 and extending the service life of the high-voltage cable body 1.

[0032] As a preferred embodiment, it also includes a pressure-bearing component 3; the pressure-bearing component 3 is arranged on the dispersion part 2022; wherein, the pressure-bearing component 3 includes a connecting member 301 and a pressure-bearing member 302; the connecting member 301 is fixed on the dispersion part 2022; the two ends of the pressure-bearing member 302 are respectively fixedly connected to the opposite ends of the two connecting members 301; wherein, the pressure-bearing member 302 is a Z-shaped structure.

[0033] The utility model provides a connecting piece 301 and a pressure-bearing piece 302, so that when the dispersion part 2022 disperses the force, it will transfer part of the force to the connecting piece 301, so that the connecting piece 301 transfers the force to the pressure-bearing piece 302, and the shape of the pressure-bearing piece 302 can withstand and buffer this part of the force, thereby further improving the service life of the high-voltage cable body 1, and the Z-shaped pressure-bearing piece 302 can not only play a good supporting role, but also better withstand the force.

[0034] How it works

[0035] The high-voltage cable with high safety can well protect the wire core body 106 by providing the outer protective layer 101 and the inner protective layer 102 when the high-voltage cable body 1 rubs against other objects. The flame retardant layer 103 can prevent the high-voltage cable body 1 from burning, thereby improving the flame retardancy of the high-voltage cable body 1. The insulating layer 104 can prevent the staff from contacting the current in the high-voltage cable body 1. The wire core protective layer 105 can protect the wire core body 106. When the high-voltage cable body 1 is bent, the outer protective layer 101 and the inner protective layer 103 can prevent the high-voltage cable body 1 from burning, thereby improving the flame retardancy of the high-voltage cable body 1. 02. The flame retardant layer 103, the insulating layer 104, the core protection layer 105 and the core body 106 will bend, causing the anti-bending part 201 to bend, so that the force on the high-voltage cable body 1 will be transmitted to the dispersion part 2022 through the anti-bending part 201, so that the dispersion part 2022 disperses the force, and after dispersion, it will be buffered by the buffer part 2021, and when dispersing the force, the dispersion part 2022 will transmit part of the force to the connecting part 301, so that the connecting part 301 transmits the force to the pressure-bearing part 302, so that the shape of the pressure-bearing part 302 can withstand and buffer this part of the force.

[0036] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-voltage cable with high safety, characterized in that: include: High voltage cable body (1); The high-voltage cable body (1) comprises an outer protective layer (101), an inner protective layer (102), a flame retardant layer (103), an insulating layer (104), a core protective layer (105) and a core body (106); the inner protective layer (102) is arranged in the outer protective layer (101) through a bending-resistant component (2); the flame retardant layer (103) is arranged in the inner protective layer (102); the insulating layer (104) is arranged in the flame retardant layer (103); the core protective layer (105) is arranged in the insulating layer (104); and a plurality of core bodies (106) are arranged in a ring array in the core protective layer (105); The bending-resistant component (2) comprises a bending-resistant part (201) and a bending-resistant groove (202); a plurality of the bending-resistant parts (201) are fixedly arranged on the inner protective layer (102) in a ring array and fixedly connected to the outer protective layer (101); and the bending-resistant grooves (202) are symmetrically provided on both sides of the bending-resistant part (201).

2. A high-safety high-voltage cable according to claim 1, characterized in that: The bending-resistant groove (202) comprises a buffer portion (2021) and a dispersion portion (2022); the buffer portion (2021) is in an arc-shaped structure.

3. A high-safety high-voltage cable according to claim 2, characterized in that: The number of the dispersion parts (2022) is two, the dispersion parts (2022) are in an inclined structure, and the distance between the two dispersion parts (2022) at one end close to the buffer part (2021) is smaller than the distance between the two dispersion parts (2022) at one end away from the buffer part (2021).

4. A high-safety high-voltage cable according to claim 3, characterized in that: The buffer portion (2021) and the two dispersion portions (2022) form an arched structure with the opening direction facing outwards.

5. A high-safety high-voltage cable according to claim 4, characterized in that: Also includes: A pressure-bearing component (3) is arranged on the dispersion portion (2022).

6. A high-safety high-voltage cable according to claim 5, characterized in that: The pressure bearing component (3) comprises: A connecting member (301) is fixedly mounted on the dispersing portion (2022); The pressure-bearing member (302) has two ends fixedly connected to the opposite ends of the two connecting members (301) respectively.

7. A high-safety high-voltage cable according to claim 6, characterized in that: The pressure bearing member (302) has a Z-shaped structure.