CN111755160A

CN111755160A - Speed sensor connecting cable

Info

Publication number: CN111755160A
Application number: CN202010669508.6A
Authority: CN
Inventors: 王兴祥; 李训祥; 何顺春; 胡云昌; 卢金鑫; 何正兴; 吴万超
Original assignee: Anhui Kangliya Co ltd
Current assignee: Anhui Kangliya Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-09

Abstract

The invention relates to the technical field of power cables and discloses a speed sensor connecting cable which comprises a cable, wherein a plurality of conductors are arranged inside the cable, a layer of natural butylbenzene insulation is wrapped on the outer sides of the conductors, the plurality of conductors are embedded in an inner sheath, filling is arranged in the inner sheath, an armor layer is wrapped on the outer side of the inner sheath, an outer sheath is wrapped on the outer side of the armor layer, a plurality of strip-shaped cavities are formed in the inner sheath, a plurality of arc-shaped cavities are formed in the outer sheath, and the arc-shaped cavities are located on the outer side of the armor layer and distributed. This kind of speedtransmitter connecting cable has seted up a plurality of arc cavitys through the inside at the oversheath for the whole raw materials for production quality of oversheath descends, plays the protection to the environment in the production link, and the arc cavity intussuseption is filled with flame retardant gas in addition, makes the arc cavity in the oversheath have certain elasticity, takes place collapsing of arc cavity when avoiding the oversheath outer wall pressurized.

Description

Speed sensor connecting cable

Technical Field

The invention relates to the technical field of power cables, in particular to a speed sensor connecting cable.

Background

The connecting cable usually uses the purity of copper content of the wire to represent the quality of the wire, and 6N represents that the copper content of the wire reaches 99.99997 percent. The high-performance copper wire is mainly composed of multi-core wires, and also comprises a single copper wire or a plurality of copper wires with thick calibers.

The existing connecting cable generally comprises a series of structures such as a conductor, natural styrene-butadiene insulation, filling, an inner sheath, an armor layer and an outer sheath, wherein the outer sheath is generally made of rubber and generally has a solid structure, more rubber raw materials are required to be consumed, the manufacturing cost of the cable is higher, meanwhile, the cable is not beneficial to environmental protection, and the outer sheath is located on the outermost side of the cable but does not have certain flame retardance.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the speed sensor connecting cable which has the advantages that the quality of the whole production raw materials of the outer sheath is reduced by arranging the plurality of arc-shaped cavities in the outer sheath, the environment is protected in the production link, in addition, the arc-shaped cavities are filled with flame retardant gas, the arc-shaped cavities in the outer sheath have certain elasticity, the arc-shaped cavities are prevented from collapsing when the outer wall of the outer sheath is pressed, and the like, and the problems in the background art are solved.

(II) technical scheme

In order to realize the purposes that the quality of the whole production raw materials of the outer sheath is reduced and the environment is protected in the production link by arranging the plurality of arc-shaped cavities in the outer sheath, and in addition, the arc-shaped cavities are filled with flame retardant gas, so that the arc-shaped cavities in the outer sheath have certain elasticity and the arc-shaped cavities are prevented from collapsing when the outer wall of the outer sheath is pressed, the invention provides the following technical scheme:

the utility model provides a speedtransmitter connecting cable, includes the cable, the inside of cable is provided with the multi-beam conductor, and the outside parcel of conductor has the natural butylbenzene of one deck to be insulating, the multi-beam the conductor inlays and locates in an inner sheath, and is provided with the packing in the inner sheath, the outside parcel of inner sheath has the one deck armor, the outside parcel of armor has the one deck oversheath, a plurality of bar chambeies have been seted up to the inside of inner sheath, a plurality of arc cavity has been seted up to the inside of oversheath, and is a plurality of the arc cavity is located the armor outside and distributes, and is a plurality of the bar chamber is located fills outside symmetric distribution, it is provided with fire-retardant packing to fill.

Preferably, the arc-shaped cavities are filled with flame-retardant gas, and the arc-shaped cavities surround the armor layer in a spring shape.

Preferably, the flame retardant gas located in the arc-shaped cavity is carbon dioxide gas.

Preferably, the strip-shaped cavity is filled with a halogen-free cross-linked polyethylene flame-retardant material.

Preferably, the armor layer is made of aluminum alloy wires in a weaving mode.

Preferably, the filling is a glass fiber material filling.

Preferably, the flame-retardant filler is made of a halogen-free cross-linked polyethylene flame-retardant material.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. this kind of speedtransmitter connecting cable has seted up a plurality of arc cavitys through the inside at the oversheath for the whole raw materials for production quality of oversheath descends, plays the protection to the environment in the production link, and the arc cavity intussuseption is filled with flame retardant gas in addition, makes the arc cavity in the oversheath have certain elasticity, takes place collapsing of arc cavity when avoiding the oversheath outer wall pressurized.

2. This kind of speed sensor connecting cable, the interior flame retardant gas of arc cavity can further play the effect that prevents the cable burning, and the bar intracavity is filled there is not halogenous crosslinked polyethylene flame retardant material, and the while is fire-retardant fills and also adopts not halogenous crosslinked polyethylene flame retardant material to make, and this kind of flame retardant material not only has better fire-retardant characteristic, does not have haloid gas to emit when the cable burning moreover, and the fuming volume of cable is also little.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention.

In the figure: 1. a cable; 2. a conductor; 3. insulating natural butylbenzene; 4. filling; 5. an inner sheath; 6. an armor layer; 7. an outer sheath; 8. a strip-shaped cavity; 9. an arc-shaped cavity; 10. and (4) flame-retardant filling.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a speed sensor connecting cable comprises a cable 1, a plurality of conductors 2 are arranged inside the cable 1, a layer of natural butylbenzene insulation 3 is wrapped outside the conductors 2, the plurality of conductors 2 are embedded in an inner sheath 5, a filler 4 is arranged in the inner sheath 5, the filler 4 is filled with glass fiber materials and plays a role in protecting wire harnesses in the cable 1, an armor layer 6 is wrapped outside the inner sheath 5, the armor layer 6 is made of aluminum alloy wires for weaving armors, an outer sheath 7 is wrapped outside the armor layer 6, a plurality of strip-shaped cavities 8 are formed in the inner sheath 5, the weight of the inner sheath 5 is reduced due to the arrangement of the strip-shaped cavities 8, a non-halogen cross-linked polyethylene flame retardant material is filled in the strip-shaped cavities 8, a plurality of arc-shaped cavities 9 are formed in the outer sheath 7, and the plurality of arc-shaped cavities 9 are distributed outside the armor layer 6, arc cavity 9 sets up the raw materials use amount that has reduced oversheath 7, make the production of oversheath 7 more environmental protection, arc cavity 9 intussuseption is filled with flame retardant gas, flame retardant gas who lies in arc cavity 9 in this embodiment is carbon dioxide gas, and a plurality of arc cavities 9 are the spring form around the 6 outsides of armor, realize oversheath 7 to the protection of encirclement of armor 6 from this, a plurality of bar-shaped chambeies 8 are located and fill 4 outside symmetric distributions, fill 4 inside fire-retardant packings 10 that are provided with, fire-retardant packings 10 also adopt not halogenous crosslinked polyethylene fire retardant material to make, this kind of fire retardant material not only has better fire-retardant characteristic, and there is not haloid gas to emit when the cable burning, the smoke volume of cable is also little.

The working principle is as follows: firstly, when an operator uses the cable, the plurality of arc-shaped cavities 9 are formed in the outer sheath 7, so that the loss of the whole production raw materials of the outer sheath 7 is reduced, the environment is protected, in addition, the arc-shaped cavities 9 are filled with flame retardant gas, the arc-shaped cavities 9 in the outer sheath 7 have certain elasticity, the collapse of the arc-shaped cavities 9 is avoided when the outer wall of the outer sheath 7 is pressed, in addition, the flame retardant gas is carbon dioxide gas, the effect of preventing the cable 1 from burning is further achieved, the bar-shaped cavities 8 are filled with non-halogen cross-linked polyethylene flame retardant materials, meanwhile, the flame retardant filling 10 is also made of the non-halogen cross-linked polyethylene flame retardant materials, the flame retardant material not only has better flame retardant property, but also no halogen acid gas is emitted when the cable burns, and the smoke generation amount of the cable is small.

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. A speed sensor connecting cable comprises a cable (1), wherein a plurality of conductors (2) are arranged inside the cable (1), a layer of natural butylbenzene insulation (3) is wrapped on the outer side of each conductor (2), the plurality of conductors (2) are embedded in an inner sheath (5), filling (4) is arranged in the inner sheath (5), an armor layer (6) is wrapped on the outer side of the inner sheath (5), and an outer sheath (7) is wrapped on the outer side of the armor layer (6);

the method is characterized in that:

a plurality of strip-shaped cavities (8) are formed in the inner sheath (5), a plurality of arc-shaped cavities (9) are formed in the outer sheath (7), the arc-shaped cavities (9) are located on the outer side of the armor layer (6) and are distributed, the strip-shaped cavities (8) are located on the outer side of the filler (4) and are symmetrically distributed, and flame-retardant filler (10) is arranged inside the filler (4).

2. A speed sensor connection cable according to claim 1, wherein: the arc-shaped cavities (9) are filled with flame-retardant gas, and the arc-shaped cavities (9) are spring-shaped and surround the outer side of the armor layer (6).

3. A speed sensor connection cable according to claim 2, wherein: the flame-retardant gas in the arc-shaped cavity (9) is carbon dioxide gas.

4. A speed sensor connection cable according to claim 1, wherein: and a cross-linked polyethylene flame-retardant material without halogen is filled in the strip-shaped cavity (8).

5. A speed sensor connection cable according to claim 1, wherein: the armor layer (6) is made of aluminum alloy wires in a weaving mode.

6. A speed sensor connection cable according to claim 1, wherein: the filling (4) is filled with glass fiber materials.

7. A speed sensor connection cable according to claim 1, wherein: the flame-retardant filler (10) is made of a halogen-free cross-linked polyethylene flame-retardant material.