CN210223651U

CN210223651U - Fire-resistant electric pile cable that fills

Info

Publication number: CN210223651U
Application number: CN201921729884.9U
Authority: CN
Inventors: Kui Lin; 林奎; Wenchao Li; 李文超; Deqiong Hu; 胡德琼; Dejun Xie; 谢德军
Original assignee: Sichuan Weike Cable Co Ltd
Current assignee: Sichuan Weike Cable Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-03-31
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a fire-resistant electric pile cable that fills in cable technical field, which comprises a conductor, the shielding layer has been cup jointed in the outer wall winding of conductor, the inner sheath has been cup jointed to the outer wall crowded package of shielding layer, the outer wall of inner sheath is provided with interior indent, the outer wall winding of inner sheath has been cup jointed fire-resistant mica tape around the package inlayer, fire-resistant mica tape is provided with fire-retardant polypropylene filling rope layer around the outer wall of package inlayer, fire-resistant mica tape has been cup jointed around the package skin to the outer wall winding of fire-retardant polypropylene filling rope layer, fire-resistant mica tape has cup jointed the oversheath around the outer crowded package of outer wall, the outer wall of oversheath is provided with the indent, the outer wall of oversheath has been cup jointed, the outer wall of wearing layer is provided with the louvre, the device simple structure, effectively improve the life of cable, avoid the oversheath long.

Description

Fire-resistant electric pile cable that fills

Technical Field

The utility model discloses a fire-resistant electric pile cable that fills specifically is cable technical field.

Background

A fire can burn out the integrated wiring system, interrupting network transmission. Meanwhile, if the cable generates a large amount of toxic gas and smoke dust in the combustion process, the escape of people is greatly affected, and even the cable becomes a potential safety hazard. Therefore, engineers in various countries are tightening research on more secure fire cables for data backup and personnel.

The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The development of electric vehicles is mainly related to the development of charging technology, and the charging problem for electric vehicles is a technical problem which is critical to maintain the operation of electric vehicles. Electric automobile fills electric pile most and lies in the region of unmanned guard, and these states of filling around electric pile are hardly obtained timely effectual measuring most of the time. Once the cable current power exceeds the rated value, the temperature of the conductor rises, and the insulation outside the conductor is heated, so that a fire disaster easily occurs, and great economic property loss is caused. Simultaneously because operational environment's requirement, the performance requirement to the cable is high, fill electric pile cable must light in weight, be convenient for remove, tensile strength is high, avoid dragging the process and cause the damage to the cable, current fill electric pile cable because the car mouth that charges differs, cable length need set up longer length value, and the user need drag the cable when using to charge and remove, the cable outer wall produces the friction with ground contact this moment, the phenomenon that very easily leads to the cable outer wall to damage for a long time takes place.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-resistant electric pile cable that fills to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-resistant electric pile cable that fills, includes the conductor, the shielding layer has been cup jointed in the outer wall winding of conductor, the inner sheath has been cup jointed to the outer wall crowded package of shielding layer, the outer wall of inner sheath is provided with interior indent, the outer wall winding of inner sheath has been cup jointed fire-resistant mica tape around the package inlayer, fire-resistant mica tape is provided with fire-retardant polypropylene filling rope layer around the outer wall of package inlayer, fire-resistant mica tape has been cup jointed around the package skin in the outer wall winding of fire-retardant polypropylene filling rope layer, fire-resistant mica tape has been cup jointed the oversheath around the outer wall crowded package of package, the outer wall of oversheath is provided with the indent, the outer wall of oversheath has been cup.

Preferably, the inner pressed groove is a longitudinal pressed groove of the inner sheath.

Preferably, the outer indent is a transverse indent of the outer sheath.

Preferably, the heat dissipation holes penetrate through the outer wall of the wear-resistant layer.

Preferably, the shielding layer is a tinned copper wire shielding net layer.

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

1) the outer wall of the outer sheath is provided with the wear-resistant layer, the wear-resistant layer prevents the outer sheath from directly contacting with the ground, damage caused by long-time use friction of the outer sheath is avoided, the wear-resistant layer is uniformly sleeved on the outer wall of the outer sheath, the overall flexibility of the cable is not influenced, and in addition, only a single wear-resistant layer needs to be replaced when the single wear-resistant layer is damaged, and the wear-resistant layer does not need to be integrally replaced;

2) the outer wall of sheath is provided with interior indent including this device, is provided with outer indent at the outer wall of outer sheath, and interior indent flexible has improved the compressive property of inner sheath, and outer indent flexible has improved the flexibility of oversheath, the bending of the cable of being convenient for, this device simple structure effectively improves the life of cable, avoids the long-time damage that leads to with ground friction of oversheath, improves the flexibility and the crushing resistance of cable.

Drawings

Fig. 1 is a schematic view of the fire-resistant charging pile cable in front view;

fig. 2 is a partial schematic view of the fire-resistant charging pile cable viewed from the right;

fig. 3 is the utility model discloses fire-resistant electric pile cable front view section view schematic diagram that fills.

In the figure: 100 conductors, 110 shielding layers, 200 inner sheaths, 210 inner pressing grooves, 300 fire-resistant mica tapes wrapping inner layers, 310 flame-retardant polypropylene filling rope layers, 320 fire-resistant mica tapes wrapping outer layers, 400 outer sheaths, 410 outer pressing grooves, 500 wear-resistant layers and 510 heat dissipation holes.

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

The utility model provides a fire-resistant electric pile cable that fills effectively improves the life of cable, avoids the oversheath long-time damage that leads to with ground friction, improves the flexibility and the crushing resistance of cable, please refer to fig. 1 and 3, including conductor 100, the outer wall winding of conductor 100 has cup jointed shielding layer 110, shielding layer 110 is used for avoiding interference signal to get into the inlayer, conductor 100 disturbs and reduces the loss of transmission signal simultaneously, shielding layer 110 is tinned copper wire shielding net layer, is convenient for the heat to leave through shielding layer 110;

referring to fig. 1 and 2 again, the inner sheath 200 is sleeved on the outer wall of the shielding layer 110 in an extruded manner, the inner sheath 200 is provided with an inner pressure groove 210 on the outer wall, the inner sheath 200 is a polyvinyl chloride sheath, the inner pressure groove 210 is used for increasing the surface area of the inner sheath 200, the inner pressure groove 210 is a longitudinal pressure groove of the inner sheath 200, and the inner pressure groove 210 improves the pressure resistance of the inner sheath 200;

referring to fig. 1 and 2 again, the outer wall of the inner sheath 200 is wrapped and sleeved with a fire-resistant mica tape wrapped inner layer 300, the outer wall of the fire-resistant mica tape wrapped inner layer 300 is provided with a flame-retardant polypropylene filling rope layer 310, the outer wall of the flame-retardant polypropylene filling rope layer 310 is wrapped and sleeved with a fire-resistant mica tape wrapped outer layer 320, and the fire-resistant mica tape wrapped inner layer 300, the flame-retardant polypropylene filling rope layer 310 and the fire-resistant mica tape wrapped outer layer 320 are used for improving the fire resistance and the flame retardance of the cable;

referring to fig. 1, 2 and 3, an outer sheath 400 is wrapped around the outer wall of the outer layer 320, the outer wall of the outer sheath 400 is provided with an outer pressing groove 410, the outer sheath 400 is used for enhancing insulation performance and protecting a cable from mechanical damage, the outer pressing groove 410 is used for increasing the surface area of the outer sheath 400, and the outer pressing groove 410 is a transverse pressing groove of the outer sheath 400 and used for bending the outer sheath 400;

referring to fig. 1, 2 and 3 again, the outer wall of the outer sheath 400 is sleeved with the wear-resistant layer 500, the outer wall of the wear-resistant layer 500 is provided with heat dissipation holes 510, the wear-resistant layer 500 is used for preventing the outer sheath 400 from rubbing with the ground, the heat dissipation holes 510 penetrate through the outer wall of the wear-resistant layer 500, and the heat dissipation holes 510 are used for heat dissipation of the cable.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a fire-resistant electric pile cable that fills which characterized in that: comprises a conductor (100), wherein the outer wall of the conductor (100) is wound and sleeved with a shielding layer (110), the outer wall of the shielding layer (110) is sleeved with an inner sheath (200) in an extrusion manner, the outer wall of the inner sheath (200) is provided with an inner pressure groove (210), the outer wall of the inner sheath (200) is wound and sleeved with a fire-resistant mica tape wrapping inner layer (300), the fire-resistant mica tape is provided with a flame-retardant polypropylene filling rope layer (310) on the outer wall of the lapping inner layer (300), the outer wall of the flame-retardant polypropylene filling rope layer (310) is wound and sleeved with a fire-resistant mica tape wrapping outer layer (320), the outer wall of the fire-resistant mica tape wrapping outer layer (320) is extruded and sleeved with an outer sheath (400), the outer wall of oversheath (400) is provided with outer indent (410), the outer wall of oversheath (400) has cup jointed wearing layer (500), the outer wall of wearing layer (500) is provided with louvre (510).

2. The fire-resistant charging pile cable of claim 1, wherein: the inner pressure groove (210) is a longitudinal pressure groove of the inner sheath (200).

3. The fire-resistant charging pile cable of claim 1, wherein: the outer pressing groove (410) is a transverse pressing groove of the outer sheath (400).

4. The fire-resistant charging pile cable of claim 1, wherein: the heat dissipation holes (510) penetrate through the outer wall of the wear-resistant layer (500).

5. The fire-resistant charging pile cable of claim 1, wherein: the shielding layer (110) is a tinned copper wire shielding net layer.