CN210606771U

CN210606771U - Photoelectric composite cable for electric automobile charging pile

Info

Publication number: CN210606771U
Application number: CN201922167024.7U
Authority: CN
Inventors: 高嘉桧
Original assignee: Nanjing Huamai Technology Co Ltd
Current assignee: Nanjing Huamai Technology Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-05-22
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses an electric automobile fills photoelectric composite cable for electric pile: the cable comprises a cable and an optical cable which are arranged in parallel, wherein the middle of the cable is connected by a connecting rib, the cable sequentially comprises a direct current conductor, a binding belt, an insulating layer, a metal weaving layer and a cable outer sheath from inside to outside, the optical cable sequentially comprises an optical fiber, a low-smoke zero-halogen tight sleeve layer, a stainless steel spiral armor tube, a metal weaving layer, an aramid fiber reinforced layer and an optical cable outer sheath from inside to outside, and the cable outer sheath, the optical cable outer sheath and the connecting rib are made of ethylene propylene diene monomer rubber materials through integral forming. The utility model discloses link direct current cable and splice bar for the optical cable as an organic whole, can realize the real-time transmission of image information among the charging process. And because the connecting ribs are thinner, the connecting ribs are convenient to separate when in construction, and the construction cost is saved. The utility model discloses well outer sheath adopts the high EPT rubber material of stability, plays effects such as resistant oil, protection against rodents ant, ultraviolet protection, is fit for using under outdoor environment.

Description

Photoelectric composite cable for electric automobile charging pile

Technical Field

The utility model relates to a cable, optical cable technical field, concretely relates to electric automobile fills photoelectric composite cable for electric pile.

Background

Along with the increasing global warming trend, there is an increasing demand for large-scale use of clean energy instead of conventional energy. The automobile reserves in China are huge, the market demand of electric automobiles using clean energy is increasing, and the era of electric automobiles is coming. Along with the growth of the electric automobile market, users put forward more diversified demands, especially communication performance, on charging pile cable products.

In the current market, the charging facility of the electric automobile only singly meets the charging requirement, and the monitoring of various states in the charging process still belongs to a blind area, so that the problems possibly encountered in the charging process cannot be solved effectively in time, and the charging efficiency is reduced. And because fill electric pile and all use under outdoor environment generally, put forward higher requirement to filling performances such as oxidation resistance, corrosion-resistant of electric pile cable.

SUMMERY OF THE UTILITY MODEL

In order to realize the real-time transmission of image information in the charging process to make things convenient for the user faster, more accurate, more clear to seek and fill various problems that probably appear in the electric pile use, improve charging efficiency, the utility model provides an electric automobile fills photoelectric composite cable for electric pile.

The utility model adopts the technical scheme as follows: the photoelectric composite cable for the electric automobile charging pile comprises cables and optical cables which are arranged in parallel, wherein the cables and the optical cables are connected through a connecting rib, the cables are sequentially provided with a direct current conductor, a ribbon, an insulating layer, a metal woven layer and a cable outer sheath from inside to outside, the optical cables are sequentially provided with an optical fiber, a low-smoke zero-halogen tight sleeve layer, a stainless steel spiral armor pipe, a metal woven layer, an aramid fiber reinforcing layer and an optical cable outer sheath from inside to outside, and the cable outer sheath, the optical cable outer sheath and the connecting rib are made of ethylene propylene diene monomer rubber materials in an integrated forming mode.

The utility model has the advantages that: the utility model discloses collect DC transmission cable and optical cable in an organic whole, can realize the real-time transmission of image information in the charging process to make things convenient for the user faster, more accurate, more clear to seek and fill various problems that probably appear in the electric pile use. And connect with using the splice bar between cable and the optical cable, can reduce the winding like this, the cable can be too in disorder, and because the splice bar department thickness is thinner, be convenient for more separate when needs, practiced thrift construction cost. And simultaneously, the utility model discloses well outer sheath material adopts the high EPT rubber material of stability, can play effects such as resistant oil, protection against rodents ant, ultraviolet protection, is fit for using under outdoor environment.

Preferably, the radial cross sections of the cable outer sheath, the optical cable outer sheath and the connecting ribs are 8-shaped.

Preferably, a V-shaped groove is formed in the middle of the connecting rib.

Preferably, the direct current conductor is a five-type tinned annealed copper wire soft conductor.

Preferably, the cable tie is a thin non-woven fabric or polyester tape.

Preferably, the insulating layer is made of an ethylene propylene diene monomer material.

Preferably, the metal braid is woven by single-layer or multi-layer tinned soft copper wires, and the weaving density is more than or equal to 85%.

Preferably, the optical cable is a single-core or multi-core round optical cable.

Drawings

Fig. 1 is a radial cross-sectional view of an embodiment of the invention.

Figure 2 is a radial cross-sectional view of a portion of a fiber optic cable according to an embodiment of the present invention.

Fig. 3 is a radial cross-sectional view of a second embodiment of the invention.

The cable comprises a cable 1, an optical cable 2, a connecting rib 3, a direct current conductor 101, a cable band 102, an insulating layer 103, metal braided

layers

104 and 205, a cable outer sheath 105, an optical fiber 201, a low-smoke zero-halogen tight sheathing layer 202, an air layer 203, a stainless steel spiral armor tube 204, an aramid fiber reinforced layer 206, a cable outer sheath 207 and a V-shaped groove 301.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

In the examples, as shown in FIGS. 1-2: the photoelectric composite cable for the electric automobile charging pile comprises a cable 1 and an optical cable 2 which are arranged in parallel, wherein the middle of the cable 1 is connected by a connecting rib 3, the cable 1 sequentially comprises a direct current conductor 101, a binding belt 102, an insulating layer 103, a metal woven layer 104 and a cable outer sheath 105 from inside to outside, the optical cable 2 sequentially comprises an optical fiber 201, a low-smoke zero-halogen tight sleeve layer 202, a stainless steel spiral armored pipe 204, a metal woven layer 205, an aramid fiber reinforced layer 206 and an optical cable outer sheath 207 from inside to outside, and the cable outer sheath 105, the optical cable outer sheath 207 and the connecting rib 3 are made of ethylene propylene diene monomer rubber materials. The utility model discloses collect DC transmission cable 1 and optical cable 2 in an organic whole, can realize the real-time transmission of image information in the charging process to make things convenient for the user faster, more accurate, more clear the various problems that probably appear in the electric pile use of looking for. And will use splice bar 3 to connect between cable 1 and the optical cable 2, can reduce the winding like this, the cable can be too in disorder, and because splice bar 3 department thickness is thinner, be convenient for more separate when needs, practiced thrift construction cost. The utility model discloses in cable oversheath 105, optical cable oversheath 207 and splice bar 3 adopt ethylene propylene diene monomer material integrated into one piece to make, and ethylene propylene diene monomer material stability is high, can play resistant oil, protection against rodents ant, effect such as ultraviolet protection, is fit for using under outdoor environment. The outer sheath can adopt an extrusion process, and the integrally formed structure is more convenient to process.

Moreover, the tight sleeve layer 202 in the optical cable 2 is made of a low-smoke halogen-free material, the material has low smoke discharge amount when being heated, and toxic gases such as hydrogen halide and the like cannot be released when the material is ignited and burned due to no halogen, so that the safety is further improved. The reinforcing layer 206 in the optical cable 2 is made of aramid fiber materials, the aramid fiber materials are high in strength and resistant to high temperature, and the reinforcing layer 206 can protect fine and fragile optical fibers from being stretched and deformed under the action of tensile force and does not affect optical transmission. In order to facilitate the stainless steel spiral armor pipe 204 to be installed outside the low smoke zero halogen tight jacket layer 202, a gap is allowed between the low smoke zero halogen tight jacket layer 202 and the stainless steel spiral armor pipe 204, and the existence of the air layer 203 in the gap can also play a certain insulation role.

In the examples, as shown in FIGS. 1-2: the radial cross section of the cable outer sheath 105, the cable outer sheath 207 and the connecting rib 3 is in an 8 shape, the thickness of the connecting rib 3 is very thin, separation is facilitated when construction is needed, and time and labor are saved. In order to facilitate tearing of the connection rib 3, in the second embodiment, as shown in fig. 3, a V-shaped groove 301 is further formed in the connection rib 3, and meanwhile, the V-shaped groove 301 can also determine the tearing position of the connection rib 3, so that the cable outer sheath 105 and the cable outer sheath 207 are prevented from being damaged when the connection rib 3 is torn.

In the examples, as shown in FIGS. 1-2: the direct current conductor 101 is five types of tin-plated annealed copper wire soft conductors, has better flexibility and conductivity than general conductors, is more suitable for the requirements of charging pile cables on bending and conductivity, has stronger corrosion resistance and oxidation resistance, and can greatly prolong the service life of the cable.

In the examples, as shown in FIGS. 1-2: the tie 102 is a non-woven fabric or polyester tape. The ribbon 102 can adopt a wrapping process, the non-woven fabric or polyester tape has good insulating property and tear strength and good flexibility, and the wrapping can provide a buffer effect when the non-woven fabric or polyester tape is wrapped to a certain thickness.

In the examples, as shown in FIGS. 1-2: the insulating layer 103 is made of an ethylene propylene diene monomer material. The insulating layer 103 can adopt an extrusion coating process, and the ethylene propylene diene monomer rubber material has excellent insulating property, excellent ageing resistance and chemical resistance and high cost performance.

In the examples, as shown in FIGS. 1-2: the metal braided

layers

104 and 205 are braided by single-layer or multi-layer tinned soft copper wires, and the braiding density is more than or equal to 85%. The tinned soft copper wire braid can shield a current magnetic field in the cable 1, can shield external electromagnetic interference at the same time, and has a good shielding effect, and the shielding performance is further improved by a high-density weaving mode with the weaving density of more than or equal to 85%. In addition, the tinned soft copper wire can also play a role in ground protection, and if the core wire of the cable 1 is damaged, the leaked current can flow into a ground net along the shielding layer, so that the effect of safety protection is played.

In the examples, as shown in FIGS. 1-2: the optical cable 2 is a single-core or multi-core round optical cable. The round optical cable has good tensile resistance.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Obvious changes or variations coming within the spirit of the invention are intended to be covered by the scope of the invention.

Claims

1. The utility model provides an electric automobile fills photoelectric composite cable for electric pile, includes parallel arrangement's cable (1) and optical cable (2), and the centre is connected its characterized in that by splice bar (3): the cable (1) is sequentially provided with a direct current conductor (101), a ribbon (102), an insulating layer (103), a metal woven layer (104) and a cable outer sheath (105) from inside to outside, the optical cable (2) is sequentially provided with an optical fiber (201), a low-smoke zero-halogen tight sleeve layer (202), a stainless steel spiral armor tube (204), a metal woven layer (205), an aramid fiber reinforced layer (206) and a cable outer sheath (207) from inside to outside, and the cable outer sheath (105), the cable outer sheath (207) and the connecting ribs (3) are integrally formed by ethylene propylene diene monomer rubber materials.

2. The photoelectric composite cable for the electric vehicle charging pile according to claim 1, characterized in that: the radial cross sections of the cable outer sheath (105), the cable outer sheath (207) and the connecting ribs (3) are 8-shaped.

3. The photoelectric composite cable for the electric vehicle charging pile according to claim 2, characterized in that: the middle part of the connecting rib (3) is provided with a V-shaped groove (301).

4. The photoelectric composite cable for the electric vehicle charging pile according to claim 1, characterized in that: the direct current conductor (101) is a five-class tin-plated annealed copper wire soft conductor.

5. The photoelectric composite cable for the electric vehicle charging pile according to claim 1, characterized in that: the bandage (102) is thin non-woven fabric or polyester tape.

6. The photoelectric composite cable for the electric vehicle charging pile according to claim 1, characterized in that: the insulating layer (103) is made of ethylene propylene diene monomer rubber material.

7. The photoelectric composite cable for the electric vehicle charging pile according to claim 1, characterized in that: the metal braided layers (104, 205) are braided by single-layer or multi-layer tinned soft copper wires, and the braiding density is more than or equal to 85%.

8. The photoelectric composite cable for the electric vehicle charging pile according to any one of claims 1 to 7, wherein: the optical cable (2) is a single-core or multi-core round optical cable.