CN212484959U

CN212484959U - Flexible flame-retardant oil-resistant medium-voltage wind energy cable

Info

Publication number: CN212484959U
Application number: CN202021401991.1U
Authority: CN
Inventors: 蓝燕舞; 吴盼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-05
Anticipated expiration: 2030-07-16

Abstract

The utility model relates to the technical field of wind energy cables, in particular to a flexible flame-retardant oil-resistant medium-voltage wind energy cable, which comprises a cable body, wherein the interior of the cable body is provided with an inner core group, the inner core group comprises a first cable core, the upper side of the inner core group is provided with the first cable core, the interior of the first cable core is provided with an inner conductive core, the outer wall of the inner conductive core is provided with a core protection layer, the outer wall of the core protection layer is provided with a core insulation layer, the interior of the first cable core and the lower side of the first cable core are provided with a second cable core, the interior of the cable body and the outer wall of the inner core group are provided with a fireproof filling layer, the outer wall of the fireproof filling layer is provided with a braided shielding layer, the outer wall of the braided shielding layer is provided with an outer flame-retardant layer, and, convenient operation, abundant functions, higher stability and practicability and certain popularization value.

Description

Flexible flame-retardant oil-resistant medium-voltage wind energy cable

Technical Field

The utility model relates to a wind energy cable technical field specifically is a flexible fire-retardant resistant oily medium voltage wind energy cable.

Background

The cable is the essential carrying equipment of electric power and electronic information transmission in people's life, and different service environments can adopt the cable of different models, and the cable all comprises single strand or stranded wire and insulating layer, uses as connecting circuit, electrical apparatus, and wire and cable are used for transmission of electricity (magnetism) ability, information and the wire rod product that realizes electromagnetic energy conversion, and the wire and cable of generalized also is called the cable for short for the sake of a short term, and the cable of narrow sense refers to insulating cable, and it can be defined as: an aggregate consisting of; one or more insulated wire cores, and a coating layer, a total protective layer and an outer protective layer which may be respectively arranged on the insulated wire cores, and the cable can also be provided with additional uninsulated conductors, along with the rapid economic development of China, higher requirements are provided for the safety, stability and supply of the power industry, the acceleration of the development speed and the quality improvement of the matched cable industry are important guarantees for sustainable development, along with the continuous expansion of the industry field, the cable is widely applied in different environments, and the cable is generally required to be used in wind power generation places.

The flame retardant property of the existing wind energy cable usually has some defects, which leads to short service life, so that a flexible flame retardant oil-resistant medium-voltage wind energy cable is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible fire-retardant resistant oily middling pressure wind energy cable 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:

a flexible flame-retardant oil-resistant medium-voltage wind energy cable comprises a cable body, wherein an internal wire core group is arranged inside the cable body, the inner wire core group comprises a first cable core, the upper side of the inner wire core group is provided with the first cable core, an inner conductive core is arranged inside the first cable core, a core protective layer is arranged on the outer wall of the inner conductive core, a core insulation layer is arranged on the outer wall of the core protection layer, a second core is arranged inside the first cable core and at the lower side of the first cable core, the fireproof filling layer is arranged inside the cable body and on the outer wall of the inner wire core group, the braided shielding layer is arranged on the outer wall of the fireproof filling layer, the outer wall of the braided shielding layer is provided with an external flame-retardant layer, the outer wall of the external flame-retardant layer is provided with an external protective sleeve, and the outside of the external protective sleeve is provided with a fireproof coating.

Preferably, the internal conductive core is woven by seven strands of galvanized copper wires, one strand is arranged at the center of the seven strands of galvanized copper wires, and the rest strands are circumferentially arranged on the outer wall of the copper wire at the center.

Preferably, the wire core protective layer is made of chloroprene rubber.

Preferably, the wire core insulating layer is made by winding mica fireproof wrapping tapes.

Preferably, the fireproof filling layer is made of glass fiber and flame-retardant polypropylene reticular tearing fiber in a mixing mode.

Preferably, the braided shielding layer is woven by tinned copper wires.

Preferably, the outer flame-retardant layer is made of polytetrafluoroethylene.

Preferably, the external protective sleeve is made of ceramic silicone rubber.

Preferably, the fireproof coating is formed by coating a mica fireproof coating.

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

1. the utility model discloses in, the symmetrical formula structure of internal core group through setting up makes the cable body be oblate structure to make the cable body compare in traditional cylindrical structure flexibility stronger, prevent that fire filling layer, outside fire-retardant layer isotructure can play the effect of multiple fire prevention in addition, the material of sinle silk inoxidizing coating is selected and to be improved overall structure's oil resistance to a certain extent.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is the utility model discloses a cable core inner structure schematic diagram.

In the figure: 1-a cable body, 2-an inner wire core group, 3-a first cable wire core, 4-an inner conductive core, 5-a wire core protective layer, 6-a wire core insulating layer, 7-a second wire core, 8-a fireproof filling layer, 9-a braided shielding layer, 10-an outer flame retardant layer, 11-an outer protective sleeve and 12-a fireproof coating.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a flexible flame-retardant oil-resistant medium-voltage wind energy cable comprises a cable body 1, wherein an inner wire core group 2 is arranged inside the cable body 1, the cable body 1 is of an oblate structure due to the symmetrical structure of the inner wire core group 2, so that the cable body 1 is more flexible than a traditional cylindrical structure, the inner wire core group 2 comprises a first cable wire core 3, a first cable wire core 3 is arranged on the upper side of the inner wire core group 2, an inner conductive core 4 is arranged inside the first cable wire core 3, a wire core protective layer 5 is arranged on the outer wall of the inner conductive core 4, a wire core insulating layer 6 is arranged on the outer wall of the wire core protective layer 5, a second wire core 7 is arranged inside the first cable wire core 3 and positioned on the lower side of the first cable wire core 3, a fireproof filling layer 8 is arranged inside the cable body 1 and positioned on the outer wall of the inner wire core group 2, and a braided shielding layer 9 is arranged on the outer, the outer wall of the braided shielding layer 9 is provided with an outer flame-retardant layer 10, the fireproof filling layer 8, the outer flame-retardant layer 10 and other structures can play a role of multiple fire prevention, the material selection of the core protective layer 5 can improve the oil resistance of the whole structure to a certain extent, the outer wall of the outer flame-retardant layer 10 is provided with an outer protective sleeve 11, the outer part of the outer protective sleeve 11 is provided with a fireproof coating 12, the inner conductive core 4 is woven by seven strands of galvanized copper wires, one strand is arranged at the center of the seven strands of galvanized copper wires, the rest are arranged on the outer wall of the copper wires at the center in a circumferential manner, the core protective layer 5 is made of chloroprene rubber, the core insulating layer 6 is made by winding mica fireproof wrapping belts, the fireproof filling layer 8 is made by mixing glass fibers and flame-retardant polypropylene reticular tear fibers, the braided shielding layer 9 is woven by using tinned, the external protective sleeve 11 is made of ceramic silicon rubber, and the fireproof coating 12 is made of mica fireproof coating.

The utility model discloses work flow: during the use, the symmetrical formula structure of internal core group 2 makes cable body 1 be oblate structure to make cable body 1 compare in traditional cylindrical structure flexibility stronger, fire prevention filling layer 8, outside fire-retardant layer 10 isotructure can play the effect of multiple fire prevention in addition, and the material of sinle silk inoxidizing coating 5 is selected and to be improved overall structure's oil resistance to a certain extent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible fire-retardant resistant oily middling pressure wind energy cable, includes cable body (1), its characterized in that: the cable comprises a cable body (1), wherein the inside of the cable body (1) is provided with an inner wire core group (2), the inner wire core group (2) comprises a first cable wire core (3), the upper side of the inner wire core group (2) is provided with a first cable wire core (3), the inside of the first cable wire core (3) is provided with an inner conductive core (4), the outer wall of the inner conductive core (4) is provided with a wire core protective layer (5), the outer wall of the wire core protective layer (5) is provided with a wire core insulating layer (6), the inside of the first cable wire core (3) and the lower side positioned on the first cable wire core (3) are provided with a second wire core (7), the inside of the cable body (1) and the outer wall positioned on the inner wire core group (2) are provided with a fireproof filling layer (8), the outer wall of the fireproof filling layer (8) is provided with a braided shielding layer (9), the outer wall of the braided shielding layer, the outer wall of the outer flame-retardant layer (10) is provided with an outer protective sleeve (11), and the outer part of the outer protective sleeve (11) is provided with a fireproof coating (12).

2. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the internal conductive core (4) is woven by seven strands of galvanized copper wires, one strand is arranged at the center of the seven strands of galvanized copper wires, and the rest strands are circumferentially arranged on the outer wall of the copper wire at the center.

3. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the wire core protective layer (5) is made of chloroprene rubber.

4. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the wire core insulating layer (6) is made by winding mica fireproof wrapping tapes.

5. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the fireproof filling layer (8) is made of glass fiber and flame-retardant polypropylene reticular tearing fiber in a mixing mode.

6. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the braided shielding layer (9) is woven by tinned copper wires.

7. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the outer flame-retardant layer (10) is made of polytetrafluoroethylene.

8. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the external protective sleeve (11) is made of ceramic silicon rubber.

9. The flexible flame-retardant oil-resistant medium-pressure wind energy cable according to claim 1, characterized in that: the fireproof coating (12) is formed by coating mica fireproof coatings.