CN217719070U

CN217719070U - Alternating-current charging stake cable

Info

Publication number: CN217719070U
Application number: CN202220896086.0U
Authority: CN
Inventors: 陈梦迪; 许军; 肖伟玲; 梁马超; 王皓予; 吴晴
Original assignee: Aerospace Electric Group Co ltd; Aerospace Rich Cable Co ltd
Current assignee: Aerospace Electric Group Co ltd; Aerospace Rich Cable Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-11-01
Anticipated expiration: 2032-04-14

Abstract

The utility model relates to an alternating-current charging stake cable relates to power cable technical field, including cable core and cladding in the TPU oversheath in the cable core outside, the cable core is twisted by many power sinle silk and signal sinle silk and forms, wherein, the power sinle silk include power cord conductor and cladding in the first insulation layer in the power cord conductor outside, the signal sinle silk includes signal cord conductor, second insulation layer, tinned copper wire weaving layer, aluminium foil band and the TPU inner sheath of cladding in proper order from inside to outside. The utility model discloses a set up cable core and cladding in the TPU oversheath in the cable core outside for the cable is softer, and its bend radius can be less, makes the cable bulge not and distortion deformation, and the signal line is not because of crooked and external pressure broken string, and owing to set up TPU oversheath and TPU inner sheath, the difficult bulge of cable, the difficult broken string of signal line, the difficult wearing and tearing of TPU oversheath, fracture and embrittlement.

Description

Alternating-current charging stake cable

Technical Field

The utility model relates to a power cable technical field especially relates to an alternating-current charging stake cable.

Background

With the popularization of new energy automobiles, the construction of electric automobile charging infrastructures still has more defects. Fill electric pile cable as connecting the car and fill the important connection between the electric pile, fill the good and bad safe and reliable operation that electric pile cable performance will produce direct influence to filling electric pile.

Patent CN204257262U discloses a fire-resistant, oil-resistant, wear-resistant, high temperature resistant and environment-friendly power cable, thereby improving safety effects such as fire prevention, corrosion resistance, oil resistance, high temperature resistance and the like, and not spreading, burning and generating harmful gases of hydrogen halide, thereby achieving the design requirements of green and environment-friendly safe cables.

However, current fill electric pile cable and use in the open air for a long time, and the cable is often dragged, and the cable easily bulges, and the signal line is easy to break, and the oversheath is very easily worn and torn, fracture and embrittlement, for this reason, the utility model provides an alternating-current charging stake cable.

SUMMERY OF THE UTILITY MODEL

To prior art's situation, the utility model provides an alternating-current charging stake cable can effectively solve among the prior art the easy swell of cable, and the signal line is easy broken string, the problem of oversheath very easily wearing and tearing, fracture and embrittlement.

The utility model discloses a following technical scheme realizes:

the utility model provides an alternating-current charging stake cable, including cable core and cladding in the TPU oversheath in the cable core outside, the cable core is formed by many power sinle silk and signal sinle silk hank system, wherein, the power sinle silk include power cord conductor and cladding in the first insulation layer in the power cord conductor outside, the signal sinle silk includes from inside to outside in proper order clad signal line conductor, second insulation layer, tinned copper wire weaving layer, aluminium foil band and TPU inner sheath.

Furthermore, the power line conductor is formed by twisting a plurality of six types of oxygen-free copper conductors.

Further, 189 oxygen-free copper conductors are arranged in the six types of oxygen-free copper conductors, the 189 oxygen-free copper conductors are uniformly divided into seven strands, and the power line conductor is formed by reversely twisting the seven strands of the six types of oxygen-free copper conductors.

Furthermore, the cross-sectional area of the power line conductor is 5.9mm²To 6.1mm²。

Furthermore, the signal line conductor is formed by twisting six types of oxygen-free copper conductors, aramid fibers and copper foil wires.

Further, the cross-sectional area of the signal line conductor is 0.74mm²To 0.76mm²。

Further, the first and second insulating layers are made of a 150 ℃ radiation cross-linked polyolefin.

Furthermore, the TPU outer sheath and the TPU inner sheath are both made of polyurethane thermoplastic elastomer TPU which can resist the low temperature of minus 50 ℃.

Furthermore, a talcum powder layer is further arranged between the cable core and the TPU outer sheath, and the talcum powder layer is coated on the outer side of the cable core.

Furthermore, the cable core is formed by twisting three power wire cores and a signal wire core.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses a set up cable core and cladding in the TPU oversheath in the cable core outside for the cable is softer, and its bend radius can be less, makes the cable bulge not and distortion not, and the signal line is not because of crooked and external pressure broken string, and owing to set up TPU oversheath and TPU inner sheath, the difficult bulge of cable, the difficult broken string of signal line, the difficult wearing and tearing of TPU oversheath, fracture and embrittlement.

Drawings

Fig. 1 is a schematic plan view of an embodiment of an ac charging pile cable according to the present invention;

fig. 2 is a schematic perspective view of an embodiment of a power core provided in the present invention;

fig. 3 is a schematic perspective view of an embodiment of the signal wire core provided by the present invention.

Reference numerals: 1. a cable core; 11. a power supply wire core; 111. a power line conductor; 112. a first insulating layer; 12. a signal wire core; 121. a signal line conductor; 1211. six types of oxygen-free copper conductors; 1212. aramid fiber filaments; 1213. copper foil wire; 122. a second insulating layer; 123. a tinned copper wire braid layer; 124. aluminum foil wrapping tapes; 125. a TPU inner sheath; 2. a TPU outer sheath; 3. talc powder layer.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part of this application and are used for illustration purposes and not for limitation of the invention.

As shown in fig. 1 to 3, an ac charging pile cable includes a cable core 1 and a TPU outer sheath 2 covering the cable core 1, the cable core 1 is formed by twisting a plurality of power cable cores 11 and a signal cable core 12, wherein the power cable core 11 includes a power cable conductor 111 and a first insulating layer 112 covering the power cable conductor 111, and the signal cable core 12 includes a signal cable conductor 121, a second insulating layer 122, a tinned copper wire braid 123, an aluminum foil wrapping tape 124 and a TPU inner sheath 125, which are sequentially covered from inside to outside.

The utility model provides an alternating-current charging stake cable is in the use, because above-mentioned design, the cable is softer, and its bending radius can be less for the cable is not bulged and not warp, and the signal line is not because of crooked and external pressure broken string, and owing to set up TPU oversheath 2 and TPU inner sheath 125, the difficult bulge of cable, the difficult broken string of signal line, TPU oversheath 2 is difficult for wearing and tearing, fracture and embrittlement.

In order to improve various performances of the power line conductor 111, the power line conductor 111 is formed by twisting a plurality of six types of oxygen-free copper conductors. Preferably, 189 oxygen-free copper conductors are arranged in the six types of oxygen-free copper conductors, the 189 oxygen-free copper conductors are equally divided into seven strands, and the power line conductor 111 is formed by reversely twisting the seven strands of the six types of oxygen-free copper conductors. Preferably, the cross-sectional area of the power supply line conductor 111 is 5.9mm2 to 6.1mm2. The design ensures that the power line conductor 111 has high copper purity, good flexibility, small internal stress and good transmission effect.

In order to improve various performances of the signal line conductor 121, the signal line conductor 121 is formed by twisting six types of oxygen-free copper conductors 1211, aramid filaments 1212 and copper foil filaments 1213. Preferably, the cross-sectional area of the signal line conductor 121 is 0.74mm2 to 0.76mm2. The signal line conductor 121 is designed in this way to have excellent conductivity, flexibility and distortion resistance.

In order to optimize the overall performance of the ac charging post cable, the first and second

insulating layers

112 and 122 are made of 150 ℃ irradiation cross-linked polyolefin. The 150 ℃ irradiation cross-linked polyolefin has low temperature resistance of-40 ℃ and high temperature resistance of 150 ℃, and has excellent flexibility, excellent insulating property, wear resistance, oil resistance, good magnetic interference resistance, flame retardance and high flame retardance. The dose is 15Mrad-18 Mrad during irradiation, and the oil resistance and the cracking resistance of the insulating layer can be greatly improved.

In order to optimize the overall performance of the alternating current charging pile cable, the TPU outer sheath 2 and the TPU inner sheath 125 are both made of a polyurethane thermoplastic elastomer TPU resistant to a low temperature of-50 ℃. The polyurethane thermoplastic elastomer TPU resistant to the low temperature of-50 ℃ has the advantages of cold resistance, good flexibility, high mechanical strength and the like, is excellent in flame retardance, wear resistance, impact resistance, oil resistance, acid and alkali resistance, ultraviolet resistance, tear resistance, elasticity and the like, is non-toxic and pollution-free, can be recycled, and saves resources.

In order to reduce adhesion between the TPU outer sheath 2 and the cable core 1, a talc powder layer 3 is further arranged between the cable core 1 and the TPU outer sheath 2, and the talc powder layer 3 is coated on the outer side of the cable core 1. In practical application, the cable core 1 is fully extruded after passing through the talcum powder, so that the adhesion between the TPU outer sheath 2 and the cable core 1 is reduced, the contact between the TPU outer sheath 2 and the cable core 1 is reduced, the TPU outer sheath 2 and the cable core 1 are not easy to adhere, and the wire core is prevented from being broken during wire stripping.

In order to optimize the overall performance of the alternating-current charging pile cable, the cable core 1 is formed by twisting three power wire cores 11 and a signal wire core 12. As a preferred embodiment, the design is convenient for the practical application of the alternating-current charging pile cable, the production and the manufacture are convenient, and the various performances of the alternating-current charging pile cable are better.

The materials mentioned above are all the existing materials and known to those skilled in the art, and the specific components or structures of the materials are not described herein.

Compared with the prior art, the utility model provides an alternating-current charging stake cable has following beneficial effect:

the utility model discloses a set up cable core 1 and cladding in the TPU oversheath 2 in the 1 outside of cable core for the cable is softer, and its bending radius can be less, makes the cable bulge and distortion not, and the signal line is not because of crooked and external pressure broken string, and owing to set up TPU oversheath 2 and TPU inner sheath 125, the difficult bulge of cable, the difficult broken string of signal line, TPU oversheath 2 is difficult for wearing and tearing, fracture and embrittlement.

The above is only the preferred embodiment of the present invention, it is not right the limitation of the present invention in any form, all the basis the present invention discloses any simple modification, equivalent change of the technical entity to the above embodiments all fall into the protection scope of the present invention.

Claims

1. An alternating current charging pile cable is characterized by comprising a cable core and a TPU outer sheath coated on the outer side of the cable core, wherein the cable core is formed by twisting a plurality of power wire cores and signal wire cores, each power wire core comprises a power wire conductor and a first insulating layer coated on the outer side of the power wire conductor, and each signal wire core comprises a signal wire conductor, a second insulating layer, a tinned copper wire woven layer, an aluminum foil wrapping tape and a TPU inner sheath which are sequentially coated from inside to outside;

the signal line conductor is formed by twisting six types of oxygen-free copper conductors, aramid fibers and copper foil wires.

2. The ac charging post cable of claim 1, wherein said power line conductor is stranded from a plurality of six types of oxygen free copper conductors.

3. The ac charging post cable of claim 2, wherein there are 189 said six types of oxygen-free copper conductors, and 189 said six types of oxygen-free copper conductors are equally divided into seven, and said power line conductor is formed by reversely twisting seven said six types of oxygen-free copper conductors.

4. An AC charging post cable according to claim 3, wherein the cross-sectional area of the power line conductor is 5.9mm²To 6.1mm²。

5. The ac charging post cable of claim 1, wherein the signal wire conductor has a cross-sectional area of 0.74mm²To 0.76mm²。

6. An alternating current charging post cable according to any of claims 1 to 4, characterized in that the first and second insulating layers are made of a 150 ℃ radiation cross-linked polyolefin.

7. An alternating current charging post cable according to any one of claims 1 to 4, characterized in that said TPU outer sheath and TPU inner sheath are both made of a polyurethane thermoplastic elastomer TPU resistant to low temperatures of-50 ℃.

8. The alternating-current charging pile cable according to any one of claims 1 to 4, wherein a talcum powder layer is further arranged between the cable core and the TPU outer sheath, and the talcum powder layer covers the outer side of the cable core.

9. An alternating current charging pile cable according to any one of claims 1 to 4, wherein the cable core is formed by twisting three power wire cores and one signal wire core.