CN213042701U

CN213042701U - Anti-oxidation flame-retardant copper core cable

Info

Publication number: CN213042701U
Application number: CN202021583933.5U
Authority: CN
Inventors: 李强; 胡正平; 李冰清; 胡军; 石文豪
Original assignee: Hubei Hongqi Sunshine Wires & Cables Co ltd
Current assignee: Hubei Hongqi Sunshine Wires & Cables Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-23
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an anti-oxidant fire-retardant copper core cable relates to copper core cable technical field, for solving the outside most rubber materials of copper core cable among the prior art, just is ignited easily when meetting naked light in the use, just at this moment probably leads to the exposed dangerous problem that causes the electric shock easily in the outside air of inside copper core conductor. The utility model discloses a fire-retardant rubber sleeve pipe, including fire-retardant rubber sleeve pipe, fire-retardant rubber sleeve pipe's upper and lower both sides are provided with the arc wainscot, and the upper and lower both sides of fire-retardant rubber sleeve pipe are provided with horizontal wainscot, the inside of arc wainscot and horizontal wainscot is provided with the cavity gas tank, and is provided with the interval between the cavity gas tank, the inside in cavity gas tank is provided with fills the dry powder, and fills the surface of dry powder and be provided with the film, fire-retardant rubber sleeve pipe's inboard is provided with weaves the metal mesh layer, and weaves metal mesh layer and fire-retardant rubber sleeve pipe.

Description

Anti-oxidation flame-retardant copper core cable

Technical Field

The utility model relates to a copper core cable technical field specifically is an anti-oxidant fire-retardant copper core cable.

Background

The wire and cable is used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coating layers, total protective layers and outer protective layers, and the cable may also have additional non-insulated conductors, wherein the power cable is formed by extruding an insulating layer on the conductor, such as an overhead insulated cable, or by twisting several cores, such as an overhead insulated cable with more than two cores, or by adding a sheath layer, such as a plastic/rubber covered wire cable. The main process technologies comprise drawing, stranding, insulation extrusion, cabling, armor, sheath extrusion and the like, and different process combinations of various products have certain differences.

However, most of the existing copper core cables are made of rubber materials, and are easily ignited when exposed to open fire in the using process, so that the copper core conductors inside the cables are exposed in the outside air, and the danger of electric shock is easily caused; therefore, the existing requirements are not met, and an antioxidant flame-retardant copper-core cable is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-oxidant fire-retardant copper core cable to solve the outside most rubber materials of copper core cable that proposes in the above-mentioned background art, just ignited easily when meetting naked light in the use, at this moment probably leads to the exposed dangerous problem that causes the electric shock easily in the outside air of inside copper core conductor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-oxidant fire-retardant copper core cable, includes fire-retardant rubber sleeve pipe, the fire-retardant rubber sheathed tube left and right sides is provided with the arc wainscot, and fire-retardant rubber sheathed tube upper and lower both sides are provided with horizontal wainscot, the inside of arc wainscot and horizontal wainscot is provided with cavity gas tank, and is provided with the interval between the cavity gas tank, the inside in cavity gas tank is provided with fills the dry powder, and fills the surface of dry powder and be provided with the film, fire-retardant rubber sheathed tube inboard is provided with weaves the metal mesh layer, and weaves the metal mesh layer and be connected with the laminating of fire-retardant rubber sleeve pipe, the upper and lower both sides of weaving the inside of metal mesh layer all are.

Preferably, the thickness of the arc-shaped facing and the horizontal facing is five millimeters, and the height of the cavity air groove is three millimeters.

Preferably, the inboard of the cotton board of fire prevention is provided with the copper core cable, and the copper core cable has threely, be provided with between copper core cable and the cotton board of fire prevention and pack the mineral, and pack mineral and copper core cable and the cotton board laminating of fire prevention and be connected.

Preferably, the copper core cable comprises a copper core conductor, an insulation shielding layer is arranged on the outer side of the copper core conductor, and the insulation shielding layer is attached to the copper core conductor.

Preferably, the outside on insulating barrier is provided with sealed oxygen layer that separates, and sealed oxygen layer that separates and insulating barrier laminating is connected, the surface on sealed oxygen layer that separates is provided with anti-oxidant coating.

Preferably, the outer side of the sealed oxygen barrier layer is provided with an outer flame-retardant leather sheath, and the outer flame-retardant leather sheath is attached to the sealed oxygen barrier layer.

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

1. the utility model discloses a cavity air pocket divide into three layer construction with whole fire-retardant rubber sleeve pipe, be the cavity air pocket structure of center department and the glue line structure of both sides respectively, when fire-retardant rubber sleeve pipe meets the naked light, it can be ignited at first to be located outermost glue line structure, and along with glue line structure's burning, the intensity of a fire will stretch cavity air pocket department, in case expose the cavity air pocket on sleeve pipe surface, the inside dry powder of packing of air pocket will leak out, cover on sheathed tube surface through the dry powder, and put out the flame on sleeve pipe surface, from playing fire-retardant effect, and put out the back at the intensity of a fire, it just can not receive the influence of the intensity of a fire to be located innermost glue line structure, sheathed tube whole parcel nature just can not receive serious influence like this, avoid inside cable to expose.

Drawings

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

FIG. 2 is an overall side view of the present invention;

fig. 3 is a schematic diagram of the structure of the cavity air groove of the present invention.

In the figure: 1. a flame retardant rubber sleeve; 2. arc-shaped veneering; 3. horizontally facing; 4. a copper-core cable; 5. a cavity gas tank; 6. a fire-proof cotton board; 7. weaving a metal mesh layer; 8. filling dry powder; 9. a copper-core conductor; 10. an insulating shield layer; 11. sealing the oxygen barrier layer; 12. an outer flame-retardant leather sheath; 13. and (4) filling minerals.

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.

Referring to fig. 1-3, the present invention provides an embodiment: an anti-oxidation flame-retardant copper core cable comprises a flame-retardant rubber sleeve 1, which can extinguish the fire or delay the fire spreading speed through the self structure even in the case of slight fire, arc veneers 2 are arranged on the left and right sides of the flame-retardant rubber sleeve 1, horizontal veneers 3 are arranged on the upper and lower sides of the flame-retardant rubber sleeve 1, cavity air grooves 5 are arranged inside the arc veneers 2 and the horizontal veneers 3, and intervals are arranged between the cavity air grooves 5, the reserved intervals are used for ensuring the strength of the sleeve structure and avoiding the damage of the sleeve in the process of arranging circuits, dry powder 8 is filled inside the cavity air grooves 5, volatile decomposers of inorganic salt in the dry powder and free radicals or active radicals generated by fuel in the combustion process have chemical inhibition and side catalysis, so that the combustion chain reaction is interrupted to extinguish the fire, and the powder of the dry powder falls outside the surface of the combustible, the chemical reaction occurs, a glass-shaped covering layer is formed under the action of high temperature, oxygen is isolated, and fire is extinguished, in addition, partial diluted oxygen release and cooling effects are achieved, a film is arranged on the outer surface of the filled dry powder 8, the dry powder is injected into the film for sealing, the dry powder is prevented from being affected by moisture, a woven metal mesh layer 7 is arranged on the inner side of the flame-retardant rubber sleeve 1 and plays a role in protection, the woven metal mesh layer 7 is connected with the flame-retardant rubber sleeve 1 in an attaching mode, the upper side and the lower side of the inner portion of the woven metal mesh layer 7 are respectively provided with a fireproof cotton plate 6, the fireproof cotton plates 6 are connected with the woven metal mesh layer 7 in an attaching mode, the fireproof cotton plates 6 are used for protecting the inner cables under the condition that the outer sleeve is completely burnt due to large fire, the spreading of the fire is isolated, and time.

Further, the thickness of the arc-shaped veneering 2 and the horizontal veneering 3 is five millimeters, the height of the cavity air groove 5 is three millimeters, the whole flame-retardant rubber sleeve 1 is divided into three layers through the cavity air groove 5, the three layers are respectively the cavity air groove 5 structure at the center and the adhesive layer structures at two sides, when the flame-retardant rubber sleeve 1 encounters open fire, the adhesive layer structure at the outermost layer is ignited firstly, the fire spreads to the cavity air groove 5 along with the combustion of the adhesive layer structures, once the cavity air groove 5 at the surface of the sleeve is exposed, the dry powder 8 filled in the air groove can be leaked out, the surface of the sleeve is covered with the dry powder, the flame on the surface of the sleeve is extinguished, the flame-retardant effect is achieved, and after the fire is extinguished, the adhesive layer structure at the innermost layer cannot be influenced by the fire, so that the whole wrapping performance of the sleeve cannot be seriously influenced, the cables inside are prevented from being exposed.

Further, the inboard of the cotton board of fire prevention 6 is provided with copper core cable 4, and copper core cable 4 has threely, is provided with between copper core cable 4 and the cotton board of fire prevention 6 and fills mineral 13, and fills mineral 13 and copper core cable 4 and the cotton board 6 laminating of fire prevention and be connected, fills mineral 13 and prevents that plastic deformation from appearing in the cable.

Further, the copper core cable 4 comprises a copper core conductor 9, an insulation shielding layer 10 is arranged on the outer side of the copper core conductor 9, and the insulation shielding layer 10 is attached to the copper core conductor 9.

Further, the outside of insulating barrier 10 is provided with sealed oxygen layer 11 that separates, and sealed oxygen layer 11 that separates is connected with the laminating of insulating barrier 10, and sealed surface that separates oxygen layer 11 is provided with anti-oxidant coating, and sealed oxygen layer 11 that separates can completely cut off the inside that the air entered into copper core cable 4, avoids causing the conductor surface oxidation phenomenon to appear.

Further, the outer side of the sealed oxygen isolation layer 11 is provided with an outer flame-retardant leather sheath 12, the outer flame-retardant leather sheath 12 is attached to the sealed oxygen isolation layer 11, the outer flame-retardant leather sheath 12 is made of flame-retardant materials, a certain fireproof and heat-insulating effect can be achieved, and the inner conductor is prevented from being exposed in the air.

The working principle is as follows: when the flame-retardant rubber sleeve is used, dry powder is injected into the film for sealing, the dry powder is prevented from being influenced by moisture through the film, then the film filled with the dry powder is placed in the cavity air groove 5 on the surface of the sleeve, the whole flame-retardant rubber sleeve 1 is divided into three layers through the cavity air groove 5, namely, the cavity air groove 5 structure at the center and the glue layer structures at two sides respectively, when the flame-retardant rubber sleeve 1 encounters naked fire, the glue layer structure at the outermost layer is ignited firstly, the fire can spread to the cavity air groove 5 along with the combustion of the glue layer structures, once the cavity air groove 5 on the surface of the sleeve is exposed, the dry powder 8 filled in the air groove can leak out, the surface of the sleeve is covered with the dry powder, the flame on the surface of the sleeve is extinguished, the flame-retardant effect is achieved, and after the fire is extinguished, the glue layer structure at the innermost layer can not be influenced by the fire, the sheathed tube whole parcel nature just can not receive serious influence like this, avoids inside cable to expose, still is provided with one deck fire prevention cotton board 6 in sheathed tube inboard at last, and fire prevention cotton board 6 is that the intensity of a fire is great so that the inside cable provides the protection under the condition that outside sleeve pipe was burnt completely, and the stretching of separation intensity of a fire provides time for the rescue.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an anti-oxidant fire-retardant copper core cable, includes fire-retardant rubber sleeve pipe (1), its characterized in that: the left and right sides of flame retardant rubber sleeve pipe (1) is provided with arc wainscot (2), and the upper and lower both sides of flame retardant rubber sleeve pipe (1) are provided with horizontal wainscot (3), the inside of arc wainscot (2) and horizontal wainscot (3) is provided with cavity air groove (5), and is provided with the interval between cavity air groove (5), the inside of cavity air groove (5) is provided with fills dry powder (8), and the surface of filling dry powder (8) is provided with the film, the inboard of flame retardant rubber sleeve pipe (1) is provided with weaves metal mesh layer (7), and weaves metal mesh layer (7) and is connected with flame retardant rubber sleeve pipe (1) laminating, the upper and lower both sides of weaving metal mesh layer (7) inside all are provided with fire prevention cotton board (6), and fire prevention cotton board (6) and weave metal mesh layer (7) laminating and be connected.

2. The oxidation-resistant flame-retardant copper-core cable according to claim 1, characterized in that: the thickness of the arc-shaped veneering (2) and the thickness of the horizontal veneering (3) are five millimeters, and the height of the cavity air groove (5) is three millimeters.

3. The oxidation-resistant flame-retardant copper-core cable according to claim 1, characterized in that: the inboard of fire prevention cotton board (6) is provided with copper core cable (4), and copper core cable (4) have threely, be provided with between copper core cable (4) and fire prevention cotton board (6) and pack mineral (13), and pack mineral (13) and copper core cable (4) and fire prevention cotton board (6) laminating and be connected.

4. The oxidation-resistant flame-retardant copper-core cable according to claim 3, characterized in that: copper core cable (4) include copper core conductor (9), the outside of copper core conductor (9) is provided with insulating shielding layer (10), and insulating shielding layer (10) are connected with copper core conductor (9) laminating.

5. The antioxidant flame retardant copper core cable according to claim 4, wherein: the outside of insulating barrier layer (10) is provided with sealed oxygen layer (11) that separates, and sealed oxygen layer (11) that separates is connected with insulating barrier layer (10) laminating, the surface that seals oxygen layer (11) that separates is provided with anti-oxidant coating.

6. The antioxidant flame retardant copper core cable according to claim 5, characterized in that: the outer side of the sealed oxygen isolation layer (11) is provided with an outer flame-retardant leather sheath (12), and the outer flame-retardant leather sheath (12) is attached to the sealed oxygen isolation layer (11).