Wear-resistant power cable for new energy automobile

Abstract

The utility model discloses a wear-resistant power cable for a new energy automobile, which comprises a cable body and an outer sheath, the outer sheath is made of polyurethane material, the cable body comprises a plurality of conductor units, copper core wires are wrapped in the conductor units, each copper core wire is formed by twisting a plurality of strands of copper wires, a wire shielding layer is wrapped on the outer wall of the plurality of strands of copper wires, and the outer sheath is made of polyurethane material. The outer wall of the wire shielding layer is wrapped by the wire insulating layer, the outer wall of the wire insulating layer is wrapped by the braided sheath, the cable can be effectively protected from being influenced by external factors through the use of the outer sheath made of polyurethane materials, and the conductor units are matched to isolate the copper core wires, so that the conductor units are not interfered with one another, the wire transmission is stable, and the service life of the cable is prolonged. The wear-resistant, corrosion-resistant, high-temperature-resistant and other characteristics of the cable are achieved, the problems that the cable is damaged and the overall structure is changed and damaged due to external factors such as wear, high temperature and corrosion are solved, the service life of the cable is prolonged, and the use safety of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a wear-resistant power cable for new energy vehicles. Background Art

[0002] With the continuous development and progress of new energy technology, there are more and more fields for new energy application. In the automotive industry, new energy vehicles are rapidly seizing the market share of fuel vehicles. In the production process of new energy vehicles, it is necessary to use power cables to wire new energy vehicles. In order to ensure the safety of use, the cables used need to have high strength and wear resistance.

[0003] Most of the existing automotive power transmission cables are composed of a conductor and an insulating sheath structure wrapped around the outer surface of the conductor, and the conductor is made of multiple strands of copper wire twisted together. However, since the car is a means of transportation in daily life, it will be in an outdoor environment for a long time during use, and the cable is a power cable, which is an extremely important component of the car. Therefore, the cable used must have high indicators in high temperature resistance, low temperature resistance, pressure resistance and wear resistance. However, during the use of the current new energy vehicle power cable, due to long-term use, the cable is affected by the temperature generated by the operation of the automobile equipment, the external temperature, and the friction during use. The cable will cause serious wear of the cable, deformation of the internal core wire, and overall structural changes and damage. It is easy to short-circuit, which poses a serious threat to the safety of the car. Therefore, a cable that can withstand the influence of high and low temperature environments and has high wear resistance and softness is needed to ensure the normal use and production wiring of the car. Utility Model Content

[0004] The purpose of the utility model is to provide a wear-resistant power cable for new energy vehicles. Through the use of an outer sheath made of polyurethane material, the cable can have excellent wear resistance, corrosion resistance, oil resistance and high temperature resistance, and can effectively protect the cable from external factors. In addition, a plurality of conductor units are used to isolate the copper core wires, so that the conductor units do not interfere with each other, the wire transmission is stable, and the cable's wear resistance, corrosion resistance and high temperature resistance are achieved. The cable is prevented from being damaged by external factors such as wear, high temperature and corrosion, and the overall structure is changed and damaged, thereby extending the service life of the cable and improving the safety of the cable.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant power cable for new energy vehicles, comprising a cable body and an outer sheath, the outer sheath is made of polyurethane material, the cable body comprises a plurality of conductor units, the conductor units are wrapped with a copper core conductor, the copper core conductor is formed by twisting a plurality of copper wires, the outer walls of the plurality of copper wires are wrapped with a conductor shielding layer, the outer wall of the conductor shielding layer is wrapped with a conductor insulation layer, the outer wall of the conductor insulation layer is wrapped with a braided sheath, the center position of the reinforcement strip is wrapped with a steel wire strip, and the steel wire strip is woven from a plurality of fine steel wires.

[0006] The beneficial effects of the utility model are as follows: by using the outer sheath of polyurethane material, the wear resistance, corrosion resistance and high temperature resistance of the cable can be improved, and the wire shielding layer and the wire insulation layer can be used to protect multiple conductor units to prevent mutual interference between the multiple conductor units, and can shield the magnetic field from each other to ensure the normal use of the conductor units, and improve the safety of the cable body. The braided sheath can wrap and protect a single conductor unit. By using steel wire strips, the tensile strength of the cable body can be enhanced, and the cable body can be protected to prevent the pulling of external force, which may cause the cable to break due to excessive pulling force. By using steel wire strips, the tensile strength of the cable body can be improved, thereby extending the service life of the conductor unit:

[0007] In order to protect the conductor unit and prevent the tension from damaging the conductor unit:

[0008] In order to protect multiple monomer units, improve the wear resistance of the cable body and ensure the safety of the cable body:

[0009] As a further improvement of the above technical solution: a reinforcement strip is provided between the plurality of conductor units, a plurality of grooves are provided on the outer edge of the reinforcement strip, and the plurality of grooves correspond one-to-one to the plurality of conductor units.

[0010] The beneficial effects of this improvement are: by using the reinforcing strip, the plurality of conductor units can be limited, and the tensile and compressive resistance of the conductor units can be improved, so that the internal structure of the cable body is evenly stressed. By using a plurality of grooves, the position of the single unit is fixed and will not move at will, and the friction between the plurality of conductor units is prevented, which affects the normal use:

[0011] In order to limit the conductor unit and ensure that the force on the conductor unit is uniform:

[0012] As a further improvement of the above technical solution: a wrapping layer is provided on the outer side of the plurality of conductor units.

[0013] The beneficial effects of this improvement are: through the use of the wrapping layer, it can effectively play a buffering and cushioning role, ensure the safety and reliability of the cable during use, and at the same time, reduce interference, improve the quality of the cable itself, and extend the service life of the cable:

[0014] In order to protect the cables and improve the safety and reliability of use:

[0015] As a further improvement of the above technical solution: the outer wall of the wrapping layer is wrapped with an inner sheath.

[0016] The beneficial effects of this improvement are: through the use of the inner sheath, the internal structure of the cable body can be effectively protected to ensure that it is not affected by the surrounding environment and to ensure the normal operation of the cable. At the same time, it can be sealed and moisture-proof to prevent the cable from being damaged by the external environment, causing erosion and mechanical damage to the cable:

[0017] In order to protect the internal structure of the cable body and improve the safety of use:

[0018] As a further improvement of the above technical solution: an aramid yarn braided reinforcement layer is wrapped between the inner sheath and the outer sheath.

[0019] The beneficial effects of this improvement are: through the use of the aramid yarn braided reinforcement layer, the overall strength and tensile resistance of the cable body can be enhanced, the toughness of the cable can be improved, and it has the advantages of high strength and light weight, and has good corrosion resistance:

[0020] In order to achieve the toughness of the cable itself and improve the strength of the cable:

[0021] As a further improvement of the above technical solution: the gap between the wrapping layer and the plurality of conductor units is filled with a filling layer.

[0022] The beneficial effects of this improvement are: through the function of the filling layer, the gap inside the cable can be filled, the mechanical strength of the cable can be increased, the structure inside the cable can be protected from deformation and damage, the overall structure of the cable can be maintained, and the conductor can be prevented from bending and damage:

[0023] In order to fill the gaps between the multiple conductor units, the conductor units are protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 An isometric structural schematic diagram provided for the utility model;

[0025] Figure 2 A top view provided for the utility model;

[0026] Figure 3 The utility model provides Figure 2Cross-section view at AA in the middle.

[0027] In the figure, 1, cable body; 2, outer sheath; 101, conductor unit; 102, copper core conductor; 103, copper wire; 104, conductor shielding layer; 105, conductor insulation layer; 106, braided sheath; 11, reinforcement strip; 12, groove; 21, wrapping layer; 31, inner sheath; 41, aramid wire braided reinforcement layer; 51, steel wire strip; 61, filling layer. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0029] like Figures 1 to 3As shown, the wear-resistant power cable for new energy vehicles provided by the embodiment of the utility model comprises a cable body 1 and an outer sheath 2. The outer sheath 2 is made of polyurethane material. The use of the outer sheath 2 made of polyurethane material can improve the wear resistance, corrosion resistance and high temperature resistance of the cable body 1, and ensure that the cable body 1 will not be damaged by factors such as high temperature friction and corrosion during use, resulting in the problem of short circuit of the cable body 1, thereby improving the safety and stability of the use of the cable body 1. The cable body 1 comprises a plurality of conductor units 101. A copper core conductor 102 is wrapped in the conductor unit 101. The copper core conductor 102 is formed by twisting a plurality of copper wires 103. By using the copper core conductor 102 formed by twisting a plurality of copper wires 103, The flexibility of the copper core conductor 102 can be improved, and the heat dissipation of the copper core conductor 102 is convenient. The outer wall of the multi-strand copper wire 103 is wrapped with a conductor shielding layer 104, and the outer wall of the conductor shielding layer 104 is wrapped with a conductor insulation layer 105. The five conductor shielding layers 104 and the five conductor insulation layers 105 can shield and protect the corresponding copper core conductors 102 respectively, so as to avoid the five copper core conductors 102 from contacting and interfering with each other. At the same time, the magnetic field is shielded from each other to ensure the normal use of the copper core conductor 102. The outer wall of the conductor insulation layer 105 is wrapped with a braided sheath 106. The plurality of braided sheaths 106 can protect the corresponding conductor units 101 respectively, and improve the safety of the conductor units 101. The center position of the reinforcing strip 11 is wrapped with a steel wire strip 51. The steel wire strip 51 is wrapped with a steel wire strip 51. The wire strip 51 is woven from multiple strands of fine steel wires. Through the effect of the steel wire rope, the tensile resistance of the cable body 1 can be enhanced to prevent the danger of the cable body 1 breaking due to excessive tension, thereby improving the safety of the cable use. A reinforcing strip 11 is provided between the multiple conductor units 101. Through the use of the reinforcing strip 11, the five conductor units 101 can be supported to ensure the stability of the internal structure of the cable body 1. A plurality of grooves 12 are provided on the outer edge of the reinforcing strip 11. The plurality of grooves 12 correspond to the plurality of conductor units 101 one by one, and the five grooves 12 on the reinforcing strip 11 can limit and stabilize the corresponding conductor units 101 to ensure that the five conductor units 101 are evenly stressed during the use of the cable body 1, thereby avoiding uneven stress and causing the conductors to break. In order to solve the problem that the conductor unit 101 is damaged, the cable is damaged and short-circuited, and the normal use is affected, a plurality of conductor units 101 are provided with a sheath 21 on the outside, the sheath 21 can protect the five conductor units 101, and improve the internal structural strength of the cable body 1, and the gap between the sheath 21 and the plurality of conductor units 101 is filled with a filling layer 61, and the filling of the filling layer 61 can fill the gap between the sheath 21 and the five conductor units 101, which can effectively prevent fire, flame retardant and moisture, and protect the five conductor units 101, and the outer wall of the sheath 21 is wrapped with an inner sheath 31, and the use of the inner sheath 31 can protect the cable from the influence of the surrounding environment, and ensure that the cable body 1 can operate normally and safely,The cable body 1 is sealed and moisture-proof, and the mechanical properties of the cable body 1 are enhanced. The inner sheath 31 and the outer sheath 2 are wrapped with an aramid yarn braided reinforcement layer 41. The aramid yarn braided reinforcement layer 41 can enhance the overall strength and tensile resistance of the cable body 1, improve the toughness of the cable, and has the advantages of high strength and light weight.

[0030] The working principle and use process of the utility model are as follows: when in use, firstly, the outer sheath 2 of the cable body 1 can well protect the internal structure of the cable body 1. The outer sheath 2 is made of polyurethane material, and has high wear resistance, corrosion resistance and high temperature resistance, which increases the safety of the cable body 1. At the same time, with the cooperation of multiple wire shielding layers 104 and wire insulation layers 105, the corresponding conductor units 101 can be protected to prevent the conductor units 101 from interfering with each other and ensure the normal transmission of current. At the same time, with the use of the reinforcing strip 11 and the five grooves 12, the five conductor units 101 can be limited to prevent the conductor units 101 from moving at will, thereby providing The stability of the internal structure of the high cable body 1 can make the five conductor units 101 bear force evenly, and use the filling layer 61 to fill the gap between the sheath 21 and the five conductor units 101, stabilize the five conductor units 101, and protect the conductor units 101, effectively playing the role of fire prevention, flame retardancy and moisture resistance. The outer sheath 2 and the inner sheath 31 are used in coordination to effectively protect the entire cable body 1, so that the cable can be resistant to high temperature, wear and corrosion, and protect the structure of the cable body 1 to prevent deformation and damage of the internal structure, affecting the safe use of the cable body 1 and causing the risk of cable short circuit, thereby realizing the use process of the entire power cable.

[0031] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wear-resistant power cable for new energy vehicles, comprising a cable body (1) and an outer sheath (2), characterized in that: The outer sheath (2) is made of polyurethane material. The cable body (1) comprises a plurality of conductor units (101). A copper core conductor (102) is wrapped in the conductor unit (101). The copper core conductor (102) is formed by twisting a plurality of copper wires (103). The outer wall of the plurality of copper wires (103) is wrapped with a conductor shielding layer (104). The outer wall of the conductor shielding layer (104) is wrapped with a conductor insulation layer (105). The outer wall of the conductor insulation layer (105) is wrapped with a braided sheath (106). Reinforcement strips (11) are provided between the plurality of conductor units (101). The center of the reinforcement strip (11) is wrapped with a steel wire strip (51). The steel wire strip (51) is braided from a plurality of fine steel wires.

2. The wear-resistant power cable for new energy vehicles according to claim 1 is characterized in that: A plurality of grooves (12) are formed on the outer edge of the reinforcement strip (11), and the plurality of grooves (12) correspond one-to-one to the plurality of conductor units (101).

3. The wear-resistant power cable for new energy vehicles according to claim 1, characterized in that: A wrapping layer (21) is provided outside the plurality of conductor units (101).

4. The wear-resistant power cable for new energy vehicles according to claim 3 is characterized in that: The outer wall of the wrapping layer (21) is wrapped with an inner sheath (31).

5. The wear-resistant power cable for new energy vehicles according to claim 4, characterized in that: An aramid yarn braided reinforcement layer (41) is wrapped between the inner sheath (31) and the outer sheath (2).

6. The wear-resistant power cable for new energy vehicles according to claim 3, characterized in that: The gap between the wrapping layer (21) and the plurality of conductor units (101) is filled with a filling layer (61).

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