High-temperature-resistant cable for electric vehicle

Abstract

The utility model belongs to the technical field of cables, and particularly relates to a high-temperature-resistant cable for an electric vehicle, which comprises two groups of cable cores and a plurality of protective layers arranged on the peripheries of the two groups of cable cores, and each protective layer sequentially comprises an outer edge layer, a high-temperature-resistant layer, a reinforcing layer and a corrosion-resistant layer outwards along the radial direction of the cable cores, the outer edge layer, the high-temperature-resistant layer, the reinforcing layer and the corrosion-resistant layer are sequentially wrapped together, a connecting piece is bonded to the outer wall of the corrosion-resistant layer, a first connecting piece and a second connecting piece are fixed to the two ends of the connecting piece respectively and are connected in a bonded mode, and hook-and-loop fasteners are arranged on the two faces of the first connecting piece and the two faces of the second connecting piece respectively. The front face and the back face of the first connecting piece are hook-and-loop fastener hook faces, and the front face and the back face of the second connecting piece are hook-and-loop fastener loop faces. The cable provided by the utility model can be used in a high-temperature environment, the insulation performance of the cable is improved, the cable is convenient to fix and arrange, the operation is simple, and the practicability is strong.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a cable for electric vehicles with high temperature resistance. Background Art

[0002] Electric vehicles use batteries as energy sources, and use controllers, motors and other components to convert electrical energy into mechanical energy to change speed by controlling the current. With the development of social economy, electric vehicles are widely favored as an energy-saving and environmentally friendly short-distance transportation tool. Electric vehicles are generally connected to the power supply through cables to charge the battery. The quality of the cables of electric vehicles determines the service life of electric vehicles to a certain extent.

[0003] According to patent number CN201620518658.6, an environmentally friendly cable is disclosed, characterized in that it includes a metal conductive core, a heat-conducting ceramic body is provided on the metal conductive core, a stainless steel heat-conducting layer is provided on the periphery of the heat-conducting ceramic body, a heat-insulating ceramic layer is provided on the periphery of the stainless steel heat-conducting layer, a water-passing gap is formed between the stainless steel heat-conducting layer and the heat-insulating ceramic layer, a plurality of stainless steel heat-exchange fins are provided in the water-passing gap, the inner ends of the stainless steel heat-exchange fins are fixed on the stainless steel heat-conducting layer, and the outer ends are inserted into the mounting blind holes of the heat-insulating ceramic layer, and the outer side of the heat-insulating ceramic layer is provided with a foaming layer, an inner PVC layer, an outer PVC layer and a dyed rat-repellent layer distributed from the inside to the outside in sequence.

[0004] The prior art has the following problems:

[0005] When an electric vehicle is charging, the cable will generate a relatively high temperature. The existing cables have a low temperature resistance level and are not easy to fix when laid in the electric vehicle. The cables are prone to entanglement, which makes the safety of the cables at work unguaranteed and difficult to organize and maintain. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a cable for electric vehicles with high temperature resistance, which solves the current problems.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A cable for electric vehicles with high temperature resistance comprises two groups of cable cores and a plurality of protective layers arranged on the peripheries of the two groups of cable cores, wherein the protective layers radially outward from the cable cores are an outer edge layer, a high temperature resistant layer, a reinforcing layer and a corrosion resistant layer in sequence, and the outer edge layer, the high temperature resistant layer, the reinforcing layer and the corrosion resistant layer are sequentially coated together, a connecting piece is bonded to the outer wall of the corrosion resistant layer, a first connecting piece and a second connecting piece are respectively fixed at both ends of the connecting piece, and the first connecting piece is bonded to the second connecting piece.

[0009] As a preferred technical solution of the utility model, Velcro is provided on both sides of the first connecting piece and the second connecting piece, the front and back sides of the first connecting piece are both Velcro hook sides, and the front and back sides of the second connecting piece are both Velcro fleece sides.

[0010] As a preferred technical solution of the utility model, a cable core protection layer and a cable core insulation layer are arranged radially outward of the two groups of cable cores, and the cable core protection layer, the cable core insulation layer and the cable core are coated together.

[0011] As a preferred technical solution of the utility model, the reinforcement layer is a plurality of groups of reinforcement ropes, the number of the reinforcement ropes is 10-20 groups, and the plurality of groups of reinforcement ropes are equidistantly arranged between the high temperature resistant layer and the corrosion resistant layer.

[0012] As a preferred technical solution of the utility model, the reinforcing rope is woven from polyester and polypropylene and has a thickness of 0.3-0.8 mm.

[0013] As a preferred technical solution of the utility model, the high temperature resistant layer is a high temperature resistant coating layer.

[0014] As a preferred technical solution of the utility model, the outer edge layer is synthetic resin.

[0015] As a preferred technical solution of the utility model, the corrosion-resistant layer is made of polytetrafluoroethylene material.

[0016] Compared with the prior art, the utility model provides a cable for electric vehicles with high temperature resistance, which has the following beneficial effects:

[0017] 1. This electric vehicle cable with high temperature resistance improves the corrosion resistance reliability of the cable by providing a reinforcement layer and a corrosion-resistant layer, and is combined with a reinforcement layer to enhance the impact resistance and extrusion resistance of the cable. The outer edge layer and the high temperature resistant layer are provided so that the cable can be used in a high temperature environment, while improving the insulation performance of the cable;

[0018] 2. This high-temperature resistant cable for electric vehicles is equipped with a connecting piece to realize the installation of the first connecting piece and the second connecting piece and the cable. The second connecting piece and the first connecting piece are equipped with a Velcro hook surface and a Velcro fleece surface, so that the cable can be fixed on the electric vehicle and wrapped around the cable when not in use, which is convenient for fixing the cable, easy to organize, simple to operate, and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2It is a schematic diagram of the structure when the second connecting piece and the first connecting piece are bonded together in the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0022] In the figure: 1. cable core; 2. cable core insulation layer; 3. cable core protection layer; 4. outer edge layer; 5. high temperature resistant layer; 6. connecting piece; 7. second connecting piece; 8. reinforcing rope; 9. first connecting piece; 10. corrosion resistant layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 In this embodiment: a cable for electric vehicles with high temperature resistance comprises two groups of cable cores 1 and a plurality of protective layers arranged on the periphery of the two groups of cable cores 1, and the protective layers radially outward from the cable core 1 are an outer edge layer 4, a high temperature resistant layer 5, a reinforcement layer and a corrosion resistant layer 10, the outer edge layer 4, the high temperature resistant layer 5, the reinforcement layer and the corrosion resistant layer 10 are sequentially wrapped together, and a connecting piece 6 is bonded to the outer wall of the corrosion resistant layer 10, and a first connecting piece 9 and a second connecting piece 7 are respectively fixed at both ends of the connecting piece 6, and the first connecting piece 9 is bonded to the second connecting piece 7.

[0025] In this embodiment, Velcro is provided on both sides of the first connecting piece 9 and the second connecting piece 7. The front and back sides of the first connecting piece 9 are both Velcro hook surfaces, and the front and back sides of the second connecting piece 7 are both Velcro fur surfaces. When the cable is not in use, the first connecting piece 9 and the second connecting piece 7 are wrapped around the cable, and the Velcro hook surface of the first connecting piece 9 and the Velcro fur surface of the second connecting piece 7 are bonded together. The first connecting piece 9 and the second connecting piece 7 can be wrapped around the cable when not in use, and the cable can be fixed on the electric vehicle by turning them over, which is convenient for fixing the cable and easy to organize.

[0026] In the present embodiment, a cable core protective layer 3 and a cable core insulating layer 2 are arranged radially outward of the two groups of cable cores 1. The cable core protective layer 3, the cable core insulating layer 2 and the cable core 1 are wrapped together. The cable core 1 is located inside the cable core protective layer 3 and the cable core insulating layer 2. The cable core insulating layer 2 is composed of modified polypropylene insulating material, which can better play an insulating effect, and is combined with an outer edge layer 4, double insulation, which can play a good protective role for the cable core 1.

[0027] In this embodiment, the reinforcement layer is a plurality of groups of reinforcement ropes 8, the number of the reinforcement ropes 8 is 10-20 groups, and the plurality of groups of reinforcement ropes 8 are equidistantly arranged between the high temperature resistant layer 5 and the corrosion resistant layer 10. By adding a plurality of groups of reinforcement ropes 8, the strength of the cable is enhanced, and in combination with the corrosion resistant layer 10, the interior of the cable is effectively protected, thereby increasing the service life of the cable.

[0028] In this embodiment, the reinforcing rope 8 is woven from polyester and polypropylene and has a thickness of 0.3-0.8 mm, which improves the tensile strength of the cable and prevents the cable from being pulled and causing the cable core to break, thus affecting the service life of the cable.

[0029] In this embodiment, the high temperature resistant layer 5 is a high temperature resistant coating layer, which can improve the high temperature resistance of the cable.

[0030] In this embodiment, the outer edge layer 4 is a synthetic resin, which is combined with a material to provide double insulation protection for the wire core 1 inside the cable, thereby improving the safety of the cable for electric vehicles.

[0031] In this embodiment, the corrosion-resistant layer 10 is made of polytetrafluoroethylene material to improve the corrosion resistance reliability of the cable.

[0032] The working principle and use process of the utility model: when in use, the corrosion resistance reliability of the cable is improved by setting the reinforcement layer and the corrosion-resistant layer 10. The reinforcement layer is a plurality of groups of reinforcement ropes 8, and the plurality of groups of reinforcement ropes 8 are equidistantly arranged between the high temperature resistant layer 5 and the corrosion-resistant layer 10, thereby enhancing the impact and extrusion resistance of the cable. By adding the outer edge layer 4 and the high temperature resistant layer 5, the cable can be used in a high temperature environment, and at the same time, the insulation performance of the cable is improved. The second connecting piece 7 and the first connecting piece 9 cooperate to pull the second connecting piece 7 and the first connecting piece 9 apart, and then turn the two over to fix the cable on the electric vehicle. When not in use, wrap the cable around it to facilitate cable fixation and arrangement.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cable for electric vehicles with high temperature resistance, comprising two groups of cable cores (1) and a plurality of protective layers arranged on the peripheries of the two groups of cable cores (1), characterized in that: The protective layers radially outward from the cable core (1) are, in sequence, an outer edge layer (4), a high temperature resistant layer (5), a reinforcement layer, and a corrosion resistant layer (10); the outer edge layer (4), the high temperature resistant layer (5), the reinforcement layer, and the corrosion resistant layer (10) are sequentially wrapped together; a connecting piece (6) is bonded to the outer wall of the corrosion resistant layer (10); a first connecting piece (9) and a second connecting piece (7) are respectively fixed at both ends of the connecting piece (6); and the first connecting piece (9) and the second connecting piece (7) are bonded and connected.

2. The high temperature resistant cable for electric vehicles according to claim 1, characterized in that: Velcro is provided on both sides of the first connecting piece (9) and the second connecting piece (7); the front and back sides of the first connecting piece (9) are both Velcro hook sides, and the front and back sides of the second connecting piece (7) are both Velcro fleece sides.

3. The high temperature resistant cable for electric vehicles according to claim 1, characterized in that: A cable core protective layer (3) and a cable core insulating layer (2) are provided radially outwardly of the two groups of cable cores (1); the cable core protective layer (3), the cable core insulating layer (2) and the cable core (1) are sheathed together.

4. The high temperature resistant cable for electric vehicles according to claim 1, characterized in that: The reinforcement layer is a plurality of groups of reinforcement ropes (8), the number of the reinforcement ropes (8) is 10-20 groups, and the plurality of groups of reinforcement ropes (8) are equidistantly arranged between the high temperature resistant layer (5) and the corrosion resistant layer (10).

5. The high temperature resistant cable for electric vehicles according to claim 4, characterized in that: The reinforcing rope (8) is braided from polyester and polypropylene and has a thickness of 0.3-0.8 mm.

6. The high temperature resistant cable for electric vehicles according to claim 1, characterized in that: The high temperature resistant layer (5) is a high temperature resistant coating layer.

7. The high temperature resistant cable for electric vehicles according to claim 1, characterized in that: The outer edge layer (4) is made of synthetic resin.

8. The high temperature resistant cable for electric vehicles according to claim 1, characterized in that: The corrosion-resistant layer (10) is made of polytetrafluoroethylene material.

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