CN218481999U

CN218481999U - Fill cable for electric pile

Info

Publication number: CN218481999U
Application number: CN202222026789.0U
Authority: CN
Inventors: 郑从相; 王思远; 易永发生
Original assignee: Guangzhou Cable Works Co Ltd
Current assignee: Guangzhou Cable Works Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-02-14
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a cable for charging pile, which comprises four cable cores twisted with each other, wherein the outer side of each cable core is wrapped with an outer sheath, each cable core comprises a copper conductor, an oil pipe and an insulating layer wrapped outside the copper conductor, and the copper conductors are uniformly wrapped outside the oil pipes; the utility model discloses wrap up the copper conductor in the oil pipe outside, the oil pipe both ends respectively with charge the rifle head and fill electric pile and be connected, have the coolant oil that flows in oil pipe inside, when charging electric automobile, the copper conductor can release the heat, plays the effect that the cooling reduces through the inside coolant oil of oil pipe, can guarantee for a long time that the copper conductor keeps lower temperature in the charging process, avoids the cable temperature too high, has reduced the potential safety hazard.

Description

Fill cable for electric pile

Technical Field

The utility model relates to a car charges and specifically is a fill cable for electric pile with cable technical field.

Background

Conventional high-power charging stake cable in market: the cable external diameter is big (40 ± 1 mm), and current high-power fills electric pile and uses the cable, and at the in-process that charges, the cable is easy to generate heat, uses for a long time and has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fill electric pile cable to solve current high-power electric pile cable of filling, at the in-process that charges, the cable generates heat easily, uses the problem that has great potential safety hazard for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fill cable for electric pile, includes four cable cores that strand each other, the cable core outside parcel has the oversheath, the cable core includes copper conductor, oil pipe and parcel at the outside insulating layer of copper conductor, the copper conductor evenly wraps up in the oil pipe outside.

The copper conductor is formed by twisting a copper wire and Kevlar fibers.

And fiber reinforcing ribs are arranged among the four mutually twisted cable cores.

Wherein, the outside of the insulating layer is wrapped with a polyolefin layer.

Wherein, the clearance between the cable cores is filled with a non-woven fabric wrapping layer.

Wherein, the non-woven fabrics parcel in situ parcel has fire-retardant band.

And filling ropes are uniformly filled between the outer sheath and the cable core.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses wrap up the copper conductor in the oil pipe outside, the oil pipe both ends respectively with charge the rifle head and fill electric pile and be connected, have the coolant oil that flows in oil pipe inside, when charging electric automobile, the copper conductor can release the heat, plays the effect that the cooling reduces through the inside coolant oil of oil pipe, can guarantee for a long time that the copper conductor keeps lower temperature in the charging process, avoids the cable temperature too high, has reduced the potential safety hazard.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the present invention.

In the figure: 1. a copper conductor; 2. an oil pipe; 3. an insulating layer; 4. a polyolefin layer; 5. an outer sheath; 6. fiber reinforcing ribs; 7. a non-woven fabric wrapping layer; 8. filling a rope; 9. and (4) a flame-retardant wrapping tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, the present invention provides a technical solution: a cable for a charging pile comprises four cable cores which are mutually twisted, an outer sheath 5 wraps the outer side of each cable core, each cable core comprises a copper conductor 1, an oil pipe 2 and an insulating layer 3 wrapping the outer side of the copper conductor 1, the copper conductors 1 are uniformly wrapped on the outer side of the oil pipe 2, the copper conductors 1 wrap the outer side of the oil pipe 2, when an electric automobile is charged, the copper conductors 1 can release heat, cooling oil in the oil pipes 2 plays a role in cooling and reducing, the copper conductors 1 can be guaranteed to be kept at a low temperature in the charging process for a long time, the temperature of the cable is prevented from being too high, and potential safety hazards are reduced;

wherein, 2 both ends of oil pipe are connected with the rifle head that charges respectively and fill electric pile, have added the cooling oil of flow in that 2 insides of oil pipe have, can be for the cooling of copper conductor 1 through the cooling oil in oil pipe 2.

The oil pipe 2 is made of a low-smoke halogen-free flame-retardant Teflon material at the temperature of-60 ℃ to +250 ℃, and the material has high-temperature resistance, low-temperature resistance and high conductivity, and is convenient for cooling the copper conductor 1.

The copper conductor 1 is formed by stranding a copper wire and Kevlar fibers, so that the long-time use of the cable can be ensured, the strength of the copper conductor 1 is improved, and the core breaking phenomenon of the copper conductor 1 is prevented.

In order to improve the overall strength of the cable, fiber reinforcing ribs 6 are arranged among the four cable cores which are twisted with each other, so that the cable is prevented from bending, stretching and deforming in the dragging process.

Wherein, the insulating layer 3 is made of unsaturated resin and is used for isolating the electric wire to prevent people from being injured by electric shock,

the polyolefin layer 4 wrapped outside the insulating layer 3 is made of a low-smoke halogen-free flame-retardant polyolefin material at the temperature of minus 40 ℃ to +125 ℃, and the low-smoke halogen-free flame-retardant polyolefin material has high insulation resistance and good processing performance, so that the cable can meet various severe charging environments in the market.

Wherein, in order to prevent that there is the gap inside the cable, clearance department between the cable core fills non-woven fabrics parcel layer 7 for any space is not left to the cable inside, makes the inside oxygen content of cable less, guarantees that the cable has excellent high fire-retardant, fire behaviour.

The non-woven fabric wrapping layer 7 is internally wrapped with a flame-retardant wrapping tape 9, and the flame-retardant wrapping tape 9 protects the insulating layer 3 and the polyolefin layer 4 from being damaged by armor during cable armor and plays roles of buffering and padding;

the flame-retardant wrapping tape 9 can be made of one of polyimide film, polytetrafluoroethylene film, polyester film and nylon tape.

In order to round the cable and improve the roundness of the cable, filling ropes 8 are uniformly filled between the outer sheath 5 and the cable core.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Claims

1. The utility model provides a fill cable for electric pile, includes the cable core of four mutual transposition, cable core outside parcel has oversheath (5), its characterized in that: the cable core comprises a copper conductor (1), an oil pipe (2) and an insulating layer (3) wrapped outside the copper conductor (1), and the copper conductor (1) is uniformly wrapped outside the oil pipe (2).

2. The cable for a charging pile according to claim 1, characterized in that: the copper conductor (1) is formed by twisting a copper wire and Kevlar fibers.

3. The cable for a charging pile according to claim 1, characterized in that: and fiber reinforcing ribs (6) are arranged among the four mutually twisted cable cores.

4. The cable for the charging pile according to claim 1, characterized in that: the polyolefin layer (4) is wrapped outside the insulating layer (3).

5. The cable for the charging pile according to claim 1, characterized in that: and a non-woven fabric wrapping layer (7) is filled in a gap between the cable cores.

6. The cable for a charging pile according to claim 5, characterized in that: and a flame-retardant wrapping tape (9) is wrapped in the non-woven fabric wrapping layer (7).

7. The cable for the charging pile according to claim 1, characterized in that: and filling ropes (8) are uniformly filled between the outer sheath (5) and the cable core.