CN218957431U

CN218957431U - Parallel bunched overhead insulated cable for charging pile

Info

Publication number: CN218957431U
Application number: CN202223360796.0U
Authority: CN
Inventors: 周友国; 潘海非; 冯斌
Original assignee: Shanghai Hongsheng Wire&cable Co ltd
Current assignee: Shanghai Hongsheng Wire&cable Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-02
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a parallel bunched overhead insulated cable for a charging pile, which relates to the technical field of charging pile cables and comprises the following components: the protection mechanism is integrally in a cylindrical structure; the cable mechanism is arranged in the protection mechanism, the number of the cable mechanisms is three, the cable mechanism comprises a flame-retardant layer, the flame-retardant layer is arranged on the inner side of the heat dissipation layer, and conductors are arranged in the flame-retardant layer; a conductor mounted inside the cable mechanism. This parallel overhead insulated cable tied in a bundle, through protection machanism's setting, with a plurality of cable mechanism tied in a bundle for the tensile anti-broken ability of cable increases by a multiple, reduces single-phase line and easily takes place cracked probability, improves the availability factor of cable, and protection machanism can make the cable level place, and the crookedness is little, is favorable to the overhead treatment, guarantees that the position between cable and the cable is parallel state.

Description

Parallel bunched overhead insulated cable for charging pile

Technical Field

The utility model relates to the technical field of charging pile cables, in particular to a parallel bunched overhead insulated cable for a charging pile.

Background

In the life at present, for safety reasons, the storage battery car is forbidden to enter the corridor for charging or enter the district elevator, so that the outdoor charging pile is frequently used, and in the long-time use process of the cable of the outdoor charging pile, higher heat can be generated, the temperature of some cables exposed to sunlight is higher, and for safety reasons, the cables with good quality are required to be arranged.

The inventors have found that the grant numbers are: the utility model patent of CN213958644U discloses a high-temperature-resistant cable for a charging pile, which comprises a wear-resistant layer, a waterproof film, a woven tensile layer and an outer sheath through an outer protective mechanism, so that the tensile property of the cable is greatly improved, the cable can be extruded to play a buffering role, the rigid damage of extrusion to a guide core is prevented, the flexibility of the whole cable is improved, the outer layer is wear-resistant and damage-resistant, durable and not easy to damage and fracture, the high-temperature-resistant cable also has a certain waterproof property, the service life of the cable is greatly prolonged, and the high-temperature-resistant protective mechanism is composed of a flame-retardant outer sheath, a high-temperature-resistant layer, a heat-insulating layer and a fireproof coating, and the high-temperature-resistant heat-insulating coating has the characteristics of insulation, light weight, convenient construction, long service life and the like, and can not only prevent oxidation and corrosion, but also play a heat-insulating effect, so that the high-temperature resistance of the power cable is improved.

The high-temperature-resistant cable for the charging pile solves the problems that the high-temperature resistance of the existing cable is not good enough, the cable is easy to age when being used in a long-time high-temperature environment, the compression resistance and the tensile pulling resistance are poor, and the service life is low.

Disclosure of Invention

The utility model aims to solve the technical problems that the prior art has poor fixing effect and low operation safety coefficient, brings certain damage to the interests of users and is inconvenient to use, and provides a parallel bunched overhead insulated cable for a charging pile.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a parallel bundled overhead insulated cable for a charging stake, comprising:

the protection mechanism is integrally in a cylindrical structure;

the cable mechanism is arranged in the protection mechanism, the number of the cable mechanisms is three, the cable mechanism comprises a flame-retardant layer, the flame-retardant layer is arranged on the inner side of the heat dissipation layer, and conductors are arranged in the flame-retardant layer;

a conductor mounted inside the cable mechanism.

Preferably, the protection mechanism includes:

the inner side of the protective shell is provided with an outer filling layer;

and the first mounting hole is arranged on the inner side of the outer filling layer.

Preferably, the cable mechanism includes:

the inner side of the protective layer is provided with an insulating layer;

the heat insulation layer is arranged on the inner side of the heat insulation layer, and a fireproof layer is arranged on the inner side of the heat insulation layer;

the anti-pulling layer is arranged on the inner side of the fireproof layer, and a heat dissipation layer is arranged on the inner side of the anti-pulling layer;

and the flame-retardant layer is arranged on the inner side of the heat dissipation layer.

Preferably, the outer side of the protective layer is connected with the inner side of the first mounting hole.

Preferably, the conductor includes:

a conductor protection layer, wherein an inner filling layer is arranged on the inner side of the conductor protection layer;

and the second mounting hole is arranged at the inner side of the inner filling layer, the inner side of the second mounting hole is connected with wire cores, and the number of the wire cores is four.

Preferably, the outer side of the conductor protection layer is connected with the inner side of the flame retardant layer.

Preferably, the conductor is located inside the first mounting hole.

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

1. according to the parallel bunched overhead insulated cable, the plurality of cable mechanisms are bunched together through the arrangement of the protection mechanism, so that the tensile breaking resistance of the cable is multiplied, the probability of breakage of single-phase wires is reduced, the service efficiency of the cable is improved, the protection mechanism can horizontally place the cable, the curvature is small, overhead treatment is facilitated, and the positions between the cable and the cable are ensured to be in a parallel state;

2. according to the parallel bunched overhead insulated cable, due to the fact that the power supply quantity of the charging piles is large, the three-phase four-wire power supply is adopted by the wires in the parallel bunched overhead insulated cable through the arrangement of the cable mechanism, so that the unbalanced degree of the load of the three phases of the distribution transformer is reduced to be extremely small, the neutral line current is reduced, the resistance loss is reduced, and the safety coefficient of power distribution is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of a parallel bundled overhead insulated cable for a charging pile according to an embodiment of the present utility model;

FIG. 2 is a schematic side view of a parallel bundled overhead insulated cable for a charging pile according to an embodiment of the utility model;

FIG. 3 is a schematic side view of a cable mechanism for a parallel bundled overhead insulated cable for a charging pile according to an embodiment of the utility model;

FIG. 4 is a schematic cross-sectional view of a cable mechanism for a parallel bundled overhead insulated cable for a charging pile according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a conductor structure of a parallel bundle overhead insulated cable for a charging pile according to an embodiment of the present utility model.

1. A protection mechanism; 11. a protective shell; 12. an outer filling layer; 13. a first mounting hole; 2. a cable mechanism; 21. a protective layer; 22. an insulating layer; 23. a thermal insulation layer; 24. a fire-blocking layer; 25. a tensile layer; 26. a heat dissipation layer; 27. a flame retardant layer; 3. a conductor; 31. a conductor protective layer; 32. an inner filling layer; 33. a second mounting hole; 34. a wire core.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in this embodiment, a parallel bundled overhead insulated cable for a charging pile includes: the protection mechanism 1, the protection mechanism 1 is of a cylindrical structure as a whole; the cable mechanism 2, the cable mechanism 2 is installed inside the protection mechanism 1, and the number of the cable mechanisms 2 is three, and the cable mechanism 2 comprises a flame-retardant layer 27, the flame-retardant layer 27 is installed inside the heat dissipation layer 26, and the conductor 3 is installed inside the flame-retardant layer 27; the conductor 3, the conductor 3 is installed inside the cable mechanism 2.

Specifically, the protection mechanism 1 is used for installing and protecting the cable mechanism 2, so that the stability of the cable is improved, the cable mechanism 2 is a cable body, the reliability of the circuit in operation is improved, the circuit loss is reduced, and the conductor 3 is a main line of the cable in operation.

The protection mechanism 1 is further described in order to facilitate a full understanding of the specific structure and principles of the protection mechanism 1 by those skilled in the art. In the present embodiment, the protection mechanism 1 includes: a protective shell 11, an outer filling layer 12 is arranged on the inner side of the protective shell 11; and a first mounting hole 13, wherein the first mounting hole 13 is arranged on the inner side of the outer filling layer 12.

The material of protective housing 11 is hard, conveniently supports the cable, can not take place the phenomenon of bending, and outer filling layer 12 can effectively protect cable mechanism 2, prevents that cable mechanism 2 from receiving the damage.

The cable mechanism 2 is further described in order to facilitate a thorough understanding of the specific structure and principles of the cable mechanism 2 by those skilled in the art. In the present embodiment, the cable mechanism 2 includes: a protective layer 21, an insulating layer 22 being mounted on the inner side of the protective layer 21; a heat insulating layer 23, the heat insulating layer 23 is installed at the inner side of the heat insulating layer 22, and a fireproof layer 24 is arranged at the inner side of the heat insulating layer 23; the pull-resistant layer 25, the pull-resistant layer 25 is arranged on the inner side of the fireproof layer 24, and a heat dissipation layer 26 is arranged on the inner side of the pull-resistant layer 25; a flame retardant layer 27, the flame retardant layer 27 being mounted on the inner side of the heat dissipation layer 26; the outer side of the protective layer 21 is connected to the inner side of the first mounting hole 13.

The flame-retardant layer 27 can prevent internal fire, protect the circuit, and the heat-insulating layer 23 has high temperature resistance, so that the circuit is not affected by temperature, and the tensile resistance of the cable can be increased by the tensile layer 25.

The conductor 3 is further described in order to facilitate a thorough understanding of the specific structure and principles of the conductor 3 by those skilled in the art. In the present embodiment, the conductor 3 includes: a conductor protection layer 31, an inner filling layer 32 being mounted on the inner side of the conductor protection layer 31; the second mounting holes 33 are formed in the inner side of the inner filling layer 32, the inner sides of the second mounting holes 33 are connected with wire cores 34, and the number of the wire cores 34 is four; the outer side of the conductor protection layer 31 is connected to the inner side of the flame retardant layer 27; the conductor 3 is located inside the first mounting hole 13.

The second mounting hole 33 is convenient for mounting the wire core 34, and the inner filling layer 32 is made of quartz sand material, so that the wire core 34 can be protected, and the wire core 34 can be prevented from burning.

Working principle: firstly, four wire cores 34 are installed on the inner side of a second installation hole 33 of a conductor 3, then after the cable mechanism 2 is assembled in a factory according to the inner and outer sequence of a protective layer 21, an insulating layer 22, a heat insulation layer 23, a fire-proof layer 24, a tensile layer 25, a heat dissipation layer 26, a flame-retardant layer 27 and the conductor 3, the cable mechanism 2 is installed on the inner side of a first installation hole 13 of the protective mechanism 1, after the installation is completed, a cable is fixed by a supporting structure, the cable is connected to the inside of a charging pile, then power is supplied, cable wires are combined in a bunched mode, single-phase broken-wire accidents are reduced, the operation safety coefficient is improved, the lightning protection effect, the electricity larceny prevention effect and the electricity leakage prevention effect are obviously improved, and the cable mechanism has obvious advantages compared with a common overhead insulated cable. And all that is not described in detail in this specification is well known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A parallel bunched overhead insulated cable for a charging pile, comprising:

the protection mechanism (1), the whole protection mechanism (1) is in a cylindrical structure;

the cable mechanism (2), the cable mechanism (2) is installed inside the protection mechanism (1), the number of the cable mechanisms (2) is three, the cable mechanism (2) comprises a flame-retardant layer (27), the flame-retardant layer (27) is installed inside the heat dissipation layer (26), and a conductor (3) is installed inside the flame-retardant layer (27);

-a conductor (3), said conductor (3) being mounted inside the cable means (2).

2. A parallel bunched overhead insulated cable for a charging pile according to claim 1, wherein:

the protection mechanism (1) includes:

a protective shell (11), wherein an outer filling layer (12) is arranged on the inner side of the protective shell (11);

and the first mounting hole (13) is arranged on the inner side of the outer filling layer (12).

3. A parallel bunched overhead insulated cable for a charging pile according to claim 1, wherein:

the cable mechanism (2) comprises:

a protective layer (21), wherein an insulating layer (22) is mounted on the inner side of the protective layer (21);

the heat insulation layer (23), the heat insulation layer (23) is installed on the inner side of the heat insulation layer (22), and a fireproof layer (24) is arranged on the inner side of the heat insulation layer (23);

the anti-pulling layer (25) is arranged on the inner side of the fireproof layer (24), and a heat dissipation layer (26) is arranged on the inner side of the anti-pulling layer (25);

and a flame-retardant layer (27), wherein the flame-retardant layer (27) is mounted on the inner side of the heat dissipation layer (26).

4. A parallel bunched overhead insulated cable for a charging pile according to claim 3, wherein: the outer side of the protective layer (21) is connected with the inner side of the first mounting hole (13).

5. A parallel bunched overhead insulated cable for a charging pile according to claim 1, wherein:

the conductor (3) comprises:

a conductor protection layer (31), wherein an inner filling layer (32) is arranged on the inner side of the conductor protection layer (31);

and the second mounting holes (33) are formed in the inner side of the inner filling layer (32), the inner sides of the second mounting holes (33) are connected with wire cores (34), and the number of the wire cores (34) is four.

6. The parallel bunched overhead insulated cable for a charging pile of claim 5, wherein: the outer side of the conductor protection layer (31) is connected with the inner side of the flame-retardant layer (27).

7. The parallel bunched overhead insulated cable for a charging pile of claim 5, wherein: the conductor (3) is positioned inside the first mounting hole (13).