CN210091769U

CN210091769U - High-temperature-resistant flexible wire cable

Info

Publication number: CN210091769U
Application number: CN201921043465.XU
Authority: CN
Inventors: 张俊波; 方伟丽
Original assignee: Jiangxi Shuangdi Wire And Cable Co Ltd
Current assignee: Jiangxi Shuangdi Wire And Cable Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-02-18
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a high temperature resistant soft wire and cable, relate to cable technical field, including the polyethylene insulation cover, the lateral surface of polyethylene insulation cover is equipped with the temperature resistant sheath, the inside of polyethylene insulation cover has thermal-insulated filling layer, the inside of thermal-insulated filling layer is equipped with paired line and cable conductor respectively, and the inside central point of thermal-insulated filling layer puts and has embedded center guide core, paired line and cable conductor distribute in the side of center guide core, thermal-insulated filling layer is the parcel form and covers in the surface of paired line and cable conductor, the temperature resistant sheath comprises double-deck glass fiber weaving layer and steel wire armor area, steel wire armor area is embedded in the intermediate layer position of glass fiber weaving layer intermediate position, it can be high temperature resistant to have, overcome the damage to the cable under extreme high temperature environment, thereby reduce the advantage of accident loss.

Description

High-temperature-resistant flexible wire cable

Technical Field

The utility model relates to the technical field of cables, a high temperature resistant flexible wire and cable specifically says so.

Background

The cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, wherein the cables consist of single-strand or multi-strand wires and insulating layers and are used for connecting circuits, electric appliances and the like, the outer surface of the cable needs to be subjected to insulation treatment, and generally insulating materials such as polyethylene and the like are adopted.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a high temperature resistant flexible wire and cable herein has and can be high temperature resistant, overcomes the damage to the cable under extreme high temperature environment to reduce the advantage of accident loss.

The utility model discloses a realize like this, construct a high temperature resistant flexible wire and cable, including the insulating cover of polyethylene, the lateral surface of the insulating cover of polyethylene is equipped with the temperature resistant sheath, and the inside of the insulating cover of polyethylene has thermal-insulated filling layer, and the inside of thermal-insulated filling layer is equipped with paired line and cable conductor respectively, and the central point of thermal-insulated filling layer inside puts and has embedded center and leads the core, and paired line and cable conductor distribute in the side of leading the core in center.

Furthermore, the heat insulation filling layer covers the outer surfaces of the twisted pair and the cable in a wrapping manner, in the cable, the heat insulation filling layer is different from the existing filling material, firstly, the heat insulation filling layer can be widely made of soft heat insulation materials, meanwhile, the heat insulation filling layer covers the outer surfaces of the twisted pair and the cable in the wrapping manner, so that the twisted pair and the cable are completely embedded in the heat insulation filling layer to form sealing, the general cable filling material only serves as a filled inner part, the heat insulation filling layer can play a good heat insulation protection role on the twisted pair and the cable, in addition, a heat-resistant sheath is arranged on the outer side surface of the polyethylene insulating sheath, the heat-resistant sheath consists of a double-layer glass fiber braided layer and a steel wire armored layer, the steel wire armored layer is embedded in an interlayer position in the middle position of the glass fiber braided layer, and the physical material property of, can play fine heat-resisting dampproofing effect, high temperature resistant through outside glass fiber weaving layer, the isolated heat of inside thermal-insulated filling layer combines together, overcomes the damage to the cable under extreme high temperature environment to reduce the accident loss.

Furthermore, the temperature resistant sheath comprises double-deck glass fiber weaving layer and steel wire armor area, and in the steel wire armor area was embedded in the intermediate layer position of glass fiber weaving layer intermediate position, steel wire armor area protection cable can not destroyed by external mechanical force or corroded by chemical gas etc. plays outside guard action.

Furthermore, the side of the polyethylene insulating sleeve is provided with color bands, the color bands with different colors are used for marking, and the types can be distinguished from the cross section through the arranged color bands.

Furthermore, the rubber core strip is arranged in the center guide core, and the center guide core is arranged to improve the overall folding resistance.

Furthermore, the inner side surface of the polyethylene insulating sleeve is provided with a plastic-coated aluminum strip, and the overall tensile strength is improved through the plastic-coated aluminum strip.

The utility model discloses an improve and provide a high temperature resistant flexible wire and cable here, compare with current high temperature resistant flexible wire and cable, have following advantage: have can be high temperature resistant, overcome the damage to the cable under extreme high temperature environment to reduce the advantage of accident loss, the concrete embodiment is:

the heat insulation filling layer covers the outer surfaces of the twisted pair and the cable in a wrapping manner, in the cable, the heat insulation filling layer is different from the existing filling material, firstly, the heat insulation filling layer can be widely made of soft heat insulation materials, meanwhile, the heat insulation filling layer covers the outer surfaces of the twisted pair and the cable in the wrapping manner, so that the twisted pair and the cable are completely embedded in the heat insulation filling layer to form sealing, the general cable filling material only serves as the inner filling function, the heat insulation filling layer can play a good heat insulation protection role on the twisted pair and the cable, in addition, the outer side surface of the polyethylene insulating sleeve is provided with a heat-resistant sheath, the heat-resistant sheath consists of a double-layer glass fiber braided layer and a steel wire armored belt, the steel wire armored belt is embedded in the interlayer position of the middle position of the glass fiber layer, and the physical material properties, can play fine heat-resisting dampproofing effect, high temperature resistant through outside glass fiber weaving layer, the isolated heat of inside thermal-insulated filling layer combines together, overcomes the damage to the cable under extreme high temperature environment to reduce the accident loss.

Drawings

Fig. 1 is a schematic structural view of a high temperature resistant flexible electric wire and cable of the present invention;

FIG. 2 is a heat-insulating filling layer of a high-temperature-resistant flexible electric wire and cable according to the present invention;

fig. 3 is an enlarged AO view of the high temperature resistant flexible electric wire and cable of the present invention.

Sequence numbers shown in the figures: the cable comprises a temperature-resistant sheath 1, a glass fiber braided layer 101, a steel wire armor belt 102, a polyethylene insulating sleeve 2, a heat-insulating filling layer 3, a twisted pair 4, a central conducting core 5, a rubber core strip 6, a cable 7, a color belt 8 and a plastic-coated aluminum belt 9.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings, wherein the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a high temperature resistant flexible wire cable through the improvement, as shown in the attached drawing of the specification, can be implemented as follows; including the insulating cover of polyethylene 2, the lateral surface of the insulating cover of polyethylene 2 is equipped with temperature resistant sheath 1, and the inside of the insulating cover of polyethylene 2 has thermal-insulated filling layer 3, and the inside of thermal-insulated filling layer 3 is equipped with twisted-pair 4 and cable conductor 7 respectively, and the central point of the inside of thermal-insulated filling layer 3 puts and has the embedded center and leads core 5, and twisted-pair 4 and cable conductor 7 distribute in the side of core 5 is led at the center.

In the utility model, the heat insulation filling layer 3 is wrapped on the outer surface of the twisted pair 4 and the cable 7, in the cable, the heat insulation filling layer 3 is different from the present filling material, at first, the heat insulation filling layer 3 can be made of soft heat insulation material, and the heat insulation filling layer 3 is wrapped on the outer surface of the twisted pair 4 and the cable 7, so that the twisted pair 4 and the cable 7 are completely embedded in the heat insulation filling layer 3 to form sealing, the general cable filling material only serves as the filling inner part, and the heat insulation filling layer 3 can play a good heat insulation protection role for the twisted pair 4 and the cable 7, and the outer side surface of the polyethylene insulating sleeve 2 is provided with a heat-resistant sheath 1, the heat-resistant sheath 1 is composed of a double-layer glass fiber weaving layer 101 and a steel wire armor belt 102, the steel wire armor belt 102 is embedded in the interlayer position of the glass fiber weaving layer 101, the glass fiber braided layer 101 has good heat-resistant and moisture-proof effects by utilizing the physical material properties of the glass fiber braided layer 101, and the damage to the cable is overcome under the extreme high-temperature environment through the combination of high temperature resistance of the external glass fiber braided layer 101 and heat insulation of the internal heat-insulating filling layer 3, so that the accident loss is reduced; the warm sheath 1 is composed of a double-layer glass fiber braided layer 101 and a steel wire armor belt 102, the steel wire armor belt 102 is embedded in an interlayer position in the middle of the glass fiber braided layer 101, and the steel wire armor belt 102 protects a cable from being damaged by external mechanical force or corroded by chemical gas and the like, so that an external protection effect is achieved; the side surface of the polyethylene insulating sleeve 2 is provided with color bands 8, the color bands 8 with different colors are used for marking, and the types can be distinguished from the cross section through the arranged color bands 8; a rubber core strip 6 is arranged inside the central guide core 5, and the integral folding resistance is improved through the arranged central guide core 5; the inner side surface of the polyethylene insulating sleeve 2 is provided with a plastic-coated aluminum strip 9, and the integral tensile strength is improved through the plastic-coated aluminum strip 9.

The working principle of the high-temperature-resistant flexible wire and cable is as follows: with reference to fig. 1-2, the cable is mainly distinguished from the existing filling material by the heat insulation filling layer 3, firstly, the heat insulation filling layer 3 can be made of soft heat insulation material, meanwhile, the heat insulation filling layer 3 covers the outer surfaces of the twisted pair 4 and the cable 7 in a wrapping shape, so that the twisted pair 4 and the cable 7 are completely embedded in the heat insulation filling layer 3 to form sealing, the general cable filling material only serves as a filled inner part, the heat insulation filling layer 3 can play a good heat insulation protection role for the twisted pair 4 and the cable 7, a heat-resistant sheath 1 is arranged on the outer side surface of the polyethylene insulation sheath 2, the heat-resistant sheath 1 is composed of a double-layer glass fiber braided layer 101 and a steel wire armor layer 102, the steel wire armor layer 102 is embedded in the interlayer position of the middle position of the glass fiber braided layer 101, and the physical material property of the glass fiber braided layer 101 is utilized, can play fine heat-resisting dampproofing effect, high temperature resistant through outside glass fiber weaving layer 101, the isolated heat of inside thermal-insulated filling layer 3 combines together, overcomes the damage to the cable under extreme high temperature environment to reduce the accident loss.

In conclusion; high temperature resistant soft wire and cable compares with current high temperature resistant soft wire and cable, has can be high temperature resistant, overcomes the damage to the cable under extreme high temperature environment to reduce the advantage of accident loss.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a high temperature resistant flexible wire and cable, includes polyethylene insulating cover (2), its characterized in that: the outer side surface of the polyethylene insulating sleeve (2) is provided with a temperature-resistant sheath (1), the inner part of the polyethylene insulating sleeve (2) is provided with a heat-insulating filling layer (3), the inner part of the heat-insulating filling layer (3) is respectively provided with a twisted pair (4) and a cable (7), the center position of the inner part of the heat-insulating filling layer (3) is provided with an embedded center guide core (5), and the twisted pair (4) and the cable (7) are distributed on the side surface of the center guide core (5).

2. The high temperature resistant flexible electrical cable of claim 1, wherein: the heat insulation filling layer (3) covers the outer surfaces of the twisted pair (4) and the cable (7) in a gripping and wrapping manner.

3. The high temperature resistant flexible electrical cable of claim 1, wherein: the temperature-resistant sheath (1) is composed of a double-layer glass fiber woven layer (101) and a steel wire armor belt (102), and the steel wire armor belt (102) is embedded in an interlayer position in the middle of the glass fiber woven layer (101).

4. The high temperature resistant flexible electrical cable of claim 1, wherein: the side surface of the polyethylene insulating sleeve (2) is provided with a color band (8).

5. The high temperature resistant flexible electrical cable of claim 1, wherein: the center guide core (5) is internally provided with a rubber core strip (6).

6. The high temperature resistant flexible electrical cable of claim 1, wherein: and a plastic-coated aluminum strip (9) is arranged on the inner side surface of the polyethylene insulating sleeve (2).