CN220873280U - A car charging pile cable - Google Patents

Abstract

The utility model discloses an automobile charging pile cable, which comprises an outer insulating layer, wherein an inner buffer layer is fixedly connected to the outer surface of the outer insulating layer, a main compression layer is fixedly connected to the outer surface of the inner buffer layer, an outer buffer layer is fixedly connected to the outer surface of the main compression layer, and the three parts of the inner buffer layer, the main compression layer and the outer buffer layer are used for carrying out compression-resistant buffer protection on the cable.

Description

A car charging pile cable

Technical Field

The utility model relates to the technical field of cables, in particular to a car charging pile cable.

Background technique

At present, under the severe situation of world oil resource shortage and global warming, building low-carbon cars will become a new development direction for the automobile industry. New energy electric vehicle charging facilities are an important part of the new energy electric vehicle industry chain that cannot be ignored. While vigorously developing the new energy electric vehicle industry, we should also fully consider the development of charging facilities.

After searching, a car charging pile cable was disclosed in the China Public Utility Model Patent Publication No. CN205508434U. The gas filled into the cable can not only increase the insulation properties of the cable itself but also reduce the damage of the cable core to the twisting and rolling. However, the corrosion resistance of the charging pile cable is poor and the cable is outdoors for a long time, which is greatly affected by the external environment, shortening the service life of the cable. At the same time, it is easy to deform when squeezed, resulting in the cable being unable to be used normally. Therefore, a cable with strong self-protection performance is needed.

Utility Model Content

The main purpose of the utility model is to provide a car charging pile cable, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical solution adopted by the utility model is:

A car charging pile cable comprises an outer insulating layer, an inner buffer layer is fixedly connected to the outer surface of the outer insulating layer, a main pressure-resistant layer is fixedly connected to the outer surface of the inner buffer layer, an outer buffer layer is fixedly connected to the outer surface of the main pressure-resistant layer, a shielding layer is fixedly connected to the outer surface of the outer buffer layer, and a protective layer is fixedly connected to the outer surface of the shielding layer.

In order to achieve the effect of making the cable have flame retardant properties, as a car charging pile cable of the utility model, the inner wall of the outer insulating layer is fixedly connected with a flame retardant filling layer, and the material of the flame retardant filling layer is chlorinated polyethylene.

In order to achieve the effect of making the cable have insulation properties, as a car charging pile cable of the utility model, the material of the outer insulation layer is polypropylene, and the material of the inner buffer layer is polytetrafluoroethylene.

In order to achieve the effect of improving the compression resistance of the cable, as a car charging pile cable of the utility model, the material of the main compression resistance layer is natural rubber, and the material of the outer buffer layer is polytetrafluoroethylene.

In order to ensure the wear resistance and corrosion resistance of the cable surface, as a car charging pile cable of the utility model, the shielding layer is woven from copper wires, and the material of the protective layer is PVC-coated glass fiber cloth.

In order to facilitate the use of cables for charging, as a car charging pile cable of the utility model, the inner wall in the middle of the flame retardant filling layer is fixedly connected with a signal core, the inner wall of the flame retardant filling layer is fixedly connected with a main core, the number of the main cores is three, and the inner wall of the flame retardant filling layer is fixedly connected with a secondary core, the number of the secondary cores is three.

In order to achieve the effect of protecting the wire core, as a car charging pile cable of the utility model, the outer surfaces of the signal wire core, the main wire core and the auxiliary wire core are fixedly connected with a flame retardant layer, and the outer surface of the flame retardant layer is fixedly connected with an inner insulating layer.

In order to achieve the effect of making the wire core have insulating flame retardant properties, as a car charging pile cable of the utility model, the material of the flame retardant layer is non-woven fabric, and the material of the inner insulating layer is polyethylene.

Compared with the prior art, the utility model has the following beneficial effects:

1. The car charging pile cable is provided with an outer insulation layer, an inner buffer layer, a main pressure-resistant layer, an outer buffer layer, a shielding layer and a protective layer. The inner buffer layer, the main pressure-resistant layer and the outer buffer layer provide pressure-resistant buffer protection for the cable. When the cable is subjected to a large extrusion pressure, the inner buffer layer and the outer buffer layer made of polytetrafluoroethylene buffer the extrusion pressure, and the main pressure-resistant layer made of natural rubber performs post-compression recovery to ensure that the cable can recover after being deformed after being squeezed. The protective layer is made of PVC-coated glass fiber cloth and is coated on the outermost part of the cable, so that the cable has waterproof and corrosion-resistant properties. When placed outside for a long time, the cable will not be damaged, thereby extending the service life of the cable and improving the protection performance of the cable.

2. The car charging pile cable protects the signal core, main core and auxiliary core inside the cable through the setting of flame retardant layer and inner insulation layer, so that the three have insulation and flame retardant properties to prevent the internal core from being easily damaged.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a car charging pile cable according to Embodiment 1 of the present utility model;

FIG2 is a schematic diagram of the axonometric structure of a vehicle charging pile cable in Example 1 of the utility model when viewed from above;

FIG3 is a schematic diagram of a cross-sectional structure of a vehicle charging pile cable in front view according to Embodiment 1 of the present utility model;

FIG4 is an isometric structural diagram of a flame retardant filling layer in a car charging pile cable according to Embodiment 1 of the utility model;

FIG5 is a schematic diagram of the axonometric structure of the inner and outer insulation layers of a car charging pile cable in Example 1 of the utility model.

In the figure: 1. Outer insulation layer; 2. Inner buffer layer; 3. Main pressure-resistant layer; 4. Outer buffer layer; 5. Shielding layer; 6. Protective layer; 7. Flame-retardant filling layer; 8. Signal core; 9. Main core; 10. Auxiliary core; 11. Flame-retardant layer; 12. Inner insulation layer.

Detailed ways

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.

Example 1

As shown in Figures 1-5, a car charging pile cable includes an outer insulating layer 1, the outer surface of the outer insulating layer 1 is fixedly connected to an inner buffer layer 2, the outer surface of the inner buffer layer 2 is fixedly connected to a main pressure-resistant layer 3, the outer surface of the main pressure-resistant layer 3 is fixedly connected to an outer buffer layer 4, the outer surface of the outer buffer layer 4 is fixedly connected to a shielding layer 5, and the outer surface of the shielding layer 5 is fixedly connected to a protective layer 6.

During specific use, through the arrangement of the outer insulating layer 1, the inner buffer layer 2, the main pressure-resistant layer 3, the outer buffer layer 4, the shielding layer 5 and the protective layer 6, the outer insulating layer 1 can ensure the insulation performance of the cable to avoid cable leakage during charging, and the inner buffer layer 2, the main pressure-resistant layer 3 and the outer buffer layer 4 provide pressure-resistant buffer protection for the cable. When the cable is subjected to a large extrusion pressure, the inner buffer layer 2 and the outer buffer layer 4 made of polytetrafluoroethylene buffer the extrusion pressure, and the main pressure-resistant layer 3 made of natural rubber performs post-compression recovery to ensure that the cable can recover after being deformed after being squeezed. The protective layer 6 is made of PVC-coated glass fiber cloth and is coated on the outermost part of the cable, so that the cable has waterproof and corrosion-resistant properties. When placed outside for a long time, the cable will not be damaged, thereby extending the service life of the cable and improving the protective performance of the cable.

In this embodiment, a flame retardant filling layer 7 is fixedly connected to the inner wall of the outer insulating layer 1 , and the material of the flame retardant filling layer 7 is chlorinated polyethylene.

During specific use, the flame retardant filling layer 7 is provided to make the cable have flame retardant properties.

In this embodiment, the material of the outer insulating layer 1 is polypropylene, and the material of the inner buffer layer 2 is polytetrafluoroethylene.

During specific use, the outer insulating layer 1 is provided to provide the cable with insulating properties.

In this embodiment, the material of the main pressure-resistant layer 3 is natural rubber, and the material of the outer buffer layer 4 is polytetrafluoroethylene.

During specific use, the main pressure-resistant layer 3 is provided to improve the pressure-resistant performance of the cable.

In this embodiment, the shielding layer 5 is woven from copper wires, and the material of the protective layer 6 is PVC-coated glass fiber cloth.

During specific use, the protective layer 6 is provided to ensure the wear and corrosion resistance of the cable surface.

In this embodiment, a signal core 8 is fixedly connected to the inner wall in the middle of the flame retardant filling layer 7, a main core 9 is fixedly connected to the inner wall of the flame retardant filling layer 7, and the number of the main cores 9 is three; and a secondary core 10 is fixedly connected to the inner wall of the flame retardant filling layer 7, and the number of the secondary core 10 is three.

During specific use, the signal core 8, the main core 9 and the auxiliary core 10 are arranged to facilitate the charging of the cable.

In this embodiment, the outer surfaces of the signal core 8 , the main core 9 and the auxiliary core 10 are all fixedly connected with a flame retardant layer 11 , and the outer surface of the flame retardant layer 11 is fixedly connected with an inner insulating layer 12 .

During specific use, the flame retardant layer 11 and the inner insulating layer 12 are provided to protect the wire core.

In this embodiment, the material of the flame retardant layer 11 is non-woven fabric, and the material of the inner insulating layer 12 is polyethylene.

During specific use, the flame retardant layer 11 and the inner insulating layer 12 are provided to make the wire core have insulating flame retardant properties.

Working principle: The inner buffer layer 2, the main pressure-resistant layer 3 and the outer buffer layer 4 provide pressure-resistant buffer protection for the cable. When the cable is subjected to a large extrusion pressure, the inner buffer layer 2 and the outer buffer layer 4 made of polytetrafluoroethylene buffer the extrusion pressure, and the main pressure-resistant layer 3 made of natural rubber performs post-compression recovery work to ensure that the cable can recover after being deformed after being squeezed. The protective layer 6 is made of PVC-coated glass fiber cloth and is coated on the outermost part of the cable, so that the cable has waterproof and corrosion-resistant properties, and will not be damaged when placed outdoors for a long time.

The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims (5)

1. The utility model provides an automobile charging stake cable, includes outer insulating layer (1), its characterized in that: the outer surface fixedly connected with inner buffer layer (2) of outer insulating layer (1), the surface fixedly connected with owner compressive layer (3) of inner buffer layer (2), the surface fixedly connected with outer buffer layer (4) of owner compressive layer (3), the surface fixedly connected with shielding layer (5) of outer buffer layer (4), the surface fixedly connected with protective layer (6) of shielding layer (5), the inner wall fixedly connected with fire-retardant filling layer (7) of outer insulating layer (1), the material of fire-retardant filling layer (7) is chlorinated polyethylene, the inner wall fixedly connected with signal core (8) at fire-retardant filling layer (7) middle part, the inner wall fixedly connected with main core (9) of fire-retardant filling layer (7), the quantity of main core (9) is three, the inner wall fixedly connected with vice sinle silk (10) of fire-retardant filling layer (7), the quantity of vice sinle silk (10) is three, the surface fixedly connected with fire-retardant layer (11) of signal (8), main core (9) and vice sinle silk (10), fire-retardant layer (11) of fire-retardant inner surface fixedly connected with fire-retardant layer (12).

2. The automotive charging pile cable of claim 1 wherein: the material of the outer insulating layer (1) is polypropylene, and the material of the inner buffer layer (2) is polytetrafluoroethylene.

3. The automotive charging pile cable of claim 1 wherein: the main compression layer (3) is made of natural rubber, and the outer buffer layer (4) is made of polytetrafluoroethylene.

4. The automotive charging pile cable of claim 1 wherein: the shielding layer (5) is formed by braiding copper wires, and the material of the protective layer (6) is PVC coating glass fiber cloth.

5. The automotive charging pile cable of claim 1 wherein: the material of the flame-retardant layer (11) is non-woven fabric, and the material of the inner insulating layer (12) is polyethylene.