High-voltage shielding charging pile cable for electric automobile

Abstract

The utility model provides a high-voltage shielding charging pile cable for an electric automobile, which relates to the technical field of charging pile cables and comprises a cable body assembly, a shielding layer is arranged on the outer side of the cable body assembly, a reinforcing layer is arranged on the outer side of the shielding layer, a fireproof layer is arranged on the outer side of the reinforcing layer, and a protective layer is arranged on the outer side of the fireproof layer. And a wear-resistant layer is arranged on the outer side of the protective layer. According to the utility model, the protection layer is made of a polyvinyl chloride material, so that the wires in the cable are protected from being damaged by external objects, friction, extrusion and the like, the service life of the cable is prolonged, the wear-resistant layer is made of a polyurethane material, and has good elasticity and wear resistance, so that the cable is prevented from being damaged by being scratched by the external objects, and the service life of the cable is prolonged. And meanwhile, corrosion and damage of chemical substances and other corrosive substances in the environment to the cable can be resisted, the maintenance and repair cost is reduced, the enhancement layer is made of an aramid fiber material, and the mechanical performance and the tensile strength of the cable are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of charging pile cables, in particular to a high-voltage shielded charging pile cable for electric vehicles. Background Art

[0002] In recent years, electric vehicles have become an industry that the country strongly supports because of their clean and environmentally friendly nature. The charging piles that match electric vehicles have also developed rapidly accordingly. Charging pile cables are power transmission cables used to connect charging piles and electric vehicles for charging.

[0003] When using existing electric vehicle charging cables, a lot of force is needed to drag the cables, which can easily cause the cables to become entangled and rubbed, which in turn can easily cause damage to the cable surface. The cables need to be regularly maintained and repaired, which increases maintenance costs. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that a large force is needed to drag the cable, which easily leads to cable entanglement and friction, and then easily causes damage to the cable surface, and requires regular maintenance and repair of the cable, resulting in increased maintenance costs. A high-voltage shielded charging pile cable for electric vehicles is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric vehicle high-voltage shielded charging pile cable, including a cable body assembly, a shielding layer is arranged on the outside of the cable body assembly, a reinforcing layer is arranged on the outside of the shielding layer, a fireproof layer is arranged on the outside of the reinforcing layer, a protective layer is arranged on the outside of the fireproof layer, and a wear-resistant layer is arranged on the outside of the protective layer.

[0006] Preferably, the cable body assembly comprises a plurality of cable conductors, and a cable insulation layer is disposed on the outer side of the cable conductors.

[0007] Preferably, a cable braided layer is arranged on the outer side of the cable insulation layer, and a cable aluminum foil layer is arranged on the outer side of the cable braided layer.

[0008] Preferably, the thickness of the shielding layer is 0.5 mm.

[0009] Preferably, the thickness of the reinforcement layer is 0.8 mm.

[0010] Preferably, the thickness of the fireproof layer is 1 mm.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the reinforcing layer is made of aramid fiber material, which has the advantages of high strength, high modulus, high temperature resistance, etc., can enhance the mechanical properties and tensile resistance of the cable, so that the cable can withstand greater force and tensile load, reduce the damage to the cable caused by external force, and make the cable more durable. The fireproof layer is made of mica tape, which has the characteristics of high temperature resistance, fire prevention, insulation, etc., can effectively slow down the spread of flames, reduce the occurrence and spread of fire accidents, and thus help to ensure the safety of personnel and equipment. The protective layer is made of polyvinyl chloride, which is beneficial to protect the wires inside the cable from damage by external objects, friction and extrusion, and extend the service life of the cable. The wear-resistant layer is made of polyurethane material, which has good elasticity and wear resistance, avoids the cable from being damaged by scratches from external objects, and is also beneficial to resist the erosion and damage of the cable by other corrosive substances such as chemicals in the environment, further extending the service life of the cable and reducing the maintenance and repair costs.

[0013] 2. In the utility model, multiple cable conductors are made of bare soft round copper wire, and are twisted in a regular and soft manner. The wire core is soft and has good conductivity, which is beneficial to energy saving, electricity saving and money saving, low resistance, less heat generation, and at the same time makes the cable easier to bend and lay, thereby improving the flexibility of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a high-voltage shielded charging pile cable for electric vehicles;

[0015] Figure 2 The utility model provides a cross-sectional structural diagram of a high-voltage shielded charging pile cable for electric vehicles;

[0016] Figure 3 The utility model provides a layered cross-sectional structure schematic diagram of a high-voltage shielded charging pile cable for electric vehicles.

[0017] Legend: 1. Cable body assembly; 101. Cable conductor; 102. Cable insulation layer; 103. Cable braided layer; 104. Cable aluminum foil layer; 2. Shielding layer; 3. Reinforcement layer; 4. Fireproof layer; 5. Protective layer; 6. Wear-resistant layer. DETAILED DESCRIPTION

[0018] 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.

[0019] 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. Example 1

[0020] like Figure 1-Figure 3 As shown, the utility model provides a technical solution: a high-voltage shielded charging pile cable for electric vehicles, including a cable body component 1, a shielding layer 2 is arranged on the outside of the cable body component 1, a reinforcing layer 3 is arranged on the outside of the shielding layer 2, a fireproof layer 4 is arranged on the outside of the reinforcing layer 3, a protective layer 5 is arranged on the outside of the fireproof layer 4, a wear-resistant layer 6 is arranged on the outside of the protective layer 5, the thickness of the shielding layer 2 is 0.5mm, the thickness of the reinforcing layer 3 is 0.8mm, and the thickness of the fireproof layer 4 is 1mm.

[0021] In this embodiment, the shielding layer 2 adopts conductive polymer material to effectively block and absorb external electromagnetic radiation and interference signals, prevent them from affecting the signal quality inside the cable, ensure the stability and reliability of the charging pile cable during high-voltage charging, improve the anti-interference ability of the charging pile cable, and ensure the charging efficiency. The reinforcing layer 3 is made of aramid fiber material, which has the advantages of high strength, high modulus, and high temperature resistance. It can enhance the mechanical properties and tensile strength of the cable, enable the cable to withstand greater force and tensile load, reduce damage to the cable caused by external force, and make the cable more durable. The fireproof layer 4 is made of mica tape, which is resistant to high temperature. , fireproof, insulation and other characteristics, can effectively slow down the spread of flames, reduce the occurrence and spread of fire accidents, and thus help to ensure the safety of personnel and equipment. The protective layer 5 is made of polyvinyl chloride, which is beneficial to protect the wires inside the cable from damage by external objects, friction and extrusion, thereby extending the service life of the cable. The wear-resistant layer 6 is made of polyurethane, which has good elasticity and wear resistance, thereby preventing the cable from being damaged by scratches from external objects, and at the same time helping to resist erosion and damage to the cable by other corrosive substances such as chemicals in the environment, further extending the service life of the cable and reducing maintenance and repair costs. Example 2

[0022] like Figure 1-Figure 3 As shown, the cable body assembly 1 includes a plurality of cable conductors 101 , a cable insulation layer 102 is disposed on the outer side of the cable conductor 101 , a cable braided layer 103 is disposed on the outer side of the cable insulation layer 102 , and a cable aluminum foil layer 104 is disposed on the outer side of the cable braided layer 103 .

[0023] In this embodiment, multiple cable conductors 101 are made of bare soft round copper wire and are twisted in a regular soft manner. The wire core is soft and has good conductivity, which is beneficial to energy saving, electricity saving, and money saving. It has low resistance and less heat generation. At the same time, it makes the cable easier to bend and lay, thereby improving the flexibility of the cable. The cable insulation layer 102 is made of cross-linked polyethylene material, and the cable braided layer 103 is woven with tinned copper wire with a coverage rate ≥85%. The cable aluminum foil layer 104 is wrapped with aluminum-plastic composite film, and the aluminum foil overlap rate is ≥20%.

[0024] Working principle of this embodiment: When in use, first, multiple cable conductors 101 are made of bare soft round copper wire, the cable insulation layer 102 is made of cross-linked polyethylene material, the cable braided layer 103 is woven with tinned copper wire, the cable aluminum foil layer 104 is wrapped with aluminum-plastic composite film, and the shielding layer 2 is made of conductive polymer material to effectively block and absorb external electromagnetic radiation and interference signals. The reinforcement layer 3 is made of aramid fiber material, which can enhance the mechanical properties and tensile strength of the cable. The fireproof layer 4 is made of mica tape, which has the characteristics of high temperature resistance, fire prevention, insulation, etc., and can effectively slow down the spread of flames. The protective layer 5 is made of polyvinyl chloride, which is beneficial to protect the wires inside the cable from damage by external objects, friction and extrusion. The wear-resistant layer 6 is made of polyurethane material, which has good elasticity and wear resistance, avoids the cable from being damaged by scratches from external objects, extends the service life of the cable, and reduces maintenance and repair costs.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A high-voltage shielded charging pile cable for electric vehicles, comprising a cable body component (1), characterized in that: A shielding layer (2) is arranged on the outside of the cable body component (1), a reinforcing layer (3) is arranged on the outside of the shielding layer (2), a fireproof layer (4) is arranged on the outside of the reinforcing layer (3), a protective layer (5) is arranged on the outside of the fireproof layer (4), and a wear-resistant layer (6) is arranged on the outside of the protective layer (5); The cable body assembly (1) comprises a plurality of cable conductors (101), and a cable insulation layer (102) is provided on the outer side of the cable conductors (101); A cable braided layer (103) is arranged on the outer side of the cable insulation layer (102), and a cable aluminum foil layer (104) is arranged on the outer side of the cable braided layer (103).

2. The electric vehicle high voltage shielded charging pile cable according to claim 1, characterized in that: The thickness of the shielding layer (2) is 0.5 mm.

3. The electric vehicle high voltage shielded charging pile cable according to claim 1, characterized in that: The thickness of the reinforcement layer (3) is 0.8 mm.

4. The electric vehicle high voltage shielded charging pile cable according to claim 1, characterized in that: The thickness of the fireproof layer (4) is 1 mm.

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