CN210956207U

CN210956207U - Super-flexible voltage-resistant fireproof cable

Info

Publication number: CN210956207U
Application number: CN201921531736.6U
Authority: CN
Inventors: 章国榜; 段国权; 施晓宝
Original assignee: WUHAN HONGLIAN WIRE & CABLE CO LTD
Current assignee: WUHAN HONGLIAN WIRE & CABLE CO LTD
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-07-07
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a super flexible voltage-resistant fireproof cable belongs to the technical field of cables, including the cable body, the cable body mainly comprises inner tube, urceolus and a plurality of cable core, be connected through a plurality of elastic support plate between inner tube and the urceolus, and a plurality of elastic support plate separates into a plurality of cavitys with the space between inner tube and the urceolus, and a plurality of cable core is located the inside of a plurality of cavitys respectively, the surface of urceolus bonds and has the shielding layer; the shielding layer makes the cable body have good shielding signal of telecommunication ability, avoids the inside and outside emergence of cable body to interact, promotes the withstand voltage performance, and the flexible layer makes the cable body have good folding reconversion ability that receives, avoids folding excessive influence signal to switch on, and novel enhancement layer promotes cable body overall structure performance, and flame retardant coating and corrosion-resistant layer make the cable body have good fire prevention flame retardant ability and corrosion resisting property, perfect function diversity, increase of service life.

Description

Super-flexible voltage-resistant fireproof cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to super gentle withstand voltage fireproof cable.

Background

The cable is generally a cable similar to a rope formed by twisting a plurality of or a plurality of groups of wires, each group of wires are mutually insulated and are usually twisted around a center, a highly-insulated covering layer is wrapped outside the cable, the cable has the characteristics of internal electrification and external insulation, the huge production capacity formed by the Chinese cable manufacturing industry makes the world look at, along with the continuous expansion of the scale of industries such as the Chinese power industry, the data communication industry, the urban rail transit industry, the automobile industry, the shipbuilding industry and the like, the demand on the wire and the cable also rapidly increases, and the wire and the cable industry in the future has huge development potential.

Present cable is inevitable when receiving exogenic action and can receive folding when using, and the pliability is lower, produces the crease after the reconversion after folding easily, and then can influence the electric current of the inside cable core of cable and switch on, and then influence the normal use of cable, and the function is imperfect, influences people's normal communication and uses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a super flexible withstand voltage fireproof cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: super gentle voltage-resistant fireproof cable, including the cable body, the cable body mainly comprises inner tube, urceolus and a plurality of cable core, be connected through a plurality of elastic support board between inner tube and the urceolus, and a plurality of elastic support board becomes a plurality of cavity with the space separation between inner tube and the urceolus, and a plurality of cable core is located the inside of a plurality of cavity respectively, the surface bonding of urceolus has the shielding layer, the surface bonding of shielding layer has the flexible layer, a side bonding that the shielding layer was kept away from to the flexible layer has the enhancement layer, the surface coating of enhancement layer has the flame retardant coating, the surface coating of flame retardant coating has the corrosion resistant layer, the surface of cable body is provided with anti-skidding line.

Adopt above-mentioned scheme, make the cable body have good shielding signal of telecommunication ability through the shielding layer, avoid the cable body inside and outside to take place to interact, promote voltage resistance, the flexible layer makes the cable body have good folding reconversion ability that receives, avoid folding excessive influence signal to switch on, the enhancement layer promotes cable body overall structure performance, flame retardant coating and corrosion resistant layer make the cable body have good fire prevention flame retardant efficiency and corrosion resisting property, perfect function diversity, increase of service life, separate a plurality of cable cores through setting up a plurality of elastic support plate between inner tube and urceolus and protect, avoid the mutual contact between the cable core, cushion when receiving the extrusion to the cable body simultaneously, the protecting effect is good, make the cable body have certain non-skid property with the setting of cable body surface anti-skidding line.

In the above scheme, it should be noted that the polyurethane elastic rubber sheet has good elasticity and aging resistance, the polyurethane elastic rubber sheet is used as the elastic support plate to separate the plurality of cable cores for protection, the cable cores are prevented from contacting with each other and simultaneously the cable body can be protected by buffering when being extruded, the protection effect is good, the copper foil cloth woven by the copper foil and the polyester fiber has good capability of eliminating electromagnetic interference, the shielding layer is arranged on the cable body to effectively prevent the cable body from generating inductance inside and outside, the voltage resistance of the cable body is improved, the graphene continuously assembled film has excellent flexibility, the graphene continuously assembled film is used as the flexible layer to enable the cable body to have good flexibility, the capability of recovering from being folded and bent is improved, and the phenomenon that creases influence on signal guiding is avoided, so that the overall structural strength of the cable body can be effectively improved, the service life of the cable is prolonged, the intumescent perchloroethylene fireproof coating is a honeycomb-shaped heat insulation layer which is even and compact in nature and expands in case of fire, and has good heat insulation, water resistance and oil resistance, so that the cable body has good fireproof and flame-retardant capabilities, and the polyvinyl chloride corrosion-resistant coating has good corrosion resistance, so that the cable body is difficult to be damaged due to external corrosion.

In a preferred embodiment, the material of the elastic support plate is specifically a polyurethane elastic rubber plate.

Adopt above-mentioned scheme, come to support inner tube and urceolus inside as elastic support board through setting up polyurethane elastic rubber board, both can separate each cable core each other, avoid its mutual contact, can protect the cable core simultaneously, utilize elastic support board's elasticity effect to avoid the cable core to receive the damage when receiving the extrusion, extension cable core life.

In a preferred embodiment, the shielding layer is made of copper foil cloth woven by copper foil and polyester fiber.

By adopting the scheme, the influence of external electromagnetic signals on the wire core inside the cable body is avoided by arranging the shielding layer, the phenomenon of inductance inside and outside the cable body is effectively avoided, and the voltage resistance is good.

In a preferred embodiment, the flexible layer is specifically a graphene continuous assembly film.

By adopting the scheme, the cable body has good flexibility by utilizing the flexible layer, so that the cable body is easy to bend, and the service life of the cable body is prolonged.

In a preferred embodiment, the material of the fire-proof layer is specifically an intumescent perchloroethylene fire-proof coating.

Adopt above-mentioned scheme, utilize setting up of flame retardant coating to make the cable body have good fire behavior, and then the cable body takes place to burn when avoiding catching fire.

In a preferred embodiment, the corrosion-resistant layer is made of polyvinyl chloride corrosion-resistant paint.

By adopting the scheme, the corrosion-resistant layer is utilized to prevent the cable body from being corroded by the outside, and the service life of the cable body is prolonged.

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

the super-flexible voltage-resistant fireproof cable is provided with the shielding layer, the flexible layer, the reinforcing layer, the fireproof layer and the corrosion-resistant layer, the shielding layer enables the cable body to have good electric signal shielding capacity, interaction between the inside and the outside of the cable body is avoided, the voltage resistance is improved, the flexible layer enables the cable body to have good folding and original state restoring capacity, signal conduction is prevented from being influenced by excessive folding, the reinforcing layer improves the overall structural performance of the cable body, the fireproof layer and the corrosion-resistant layer enable the cable body to have good fireproof and flame-retardant capacity and corrosion resistance, functional diversity is improved, and the service life is prolonged;

this super gentle voltage-resistant fireproof cable separates a plurality of cable cores through set up a plurality of resilient support boards between inner tube and urceolus and protects, avoids the mutual contact between the cable core, cushions when receiving the extrusion to the cable body simultaneously, and the protecting effect is good, makes the cable body have certain non-skid property with setting up of cable body surface anti-skidding line.

Drawings

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

in the figure: 1. a cable body; 2. an inner barrel; 3. a cable core; 4. an outer cylinder; 5. an elastic support plate; 6. a shielding layer; 7. a flexible layer; 8. a reinforcing layer; 9. a fire barrier layer; 10. a corrosion-resistant layer; 11. and (4) anti-skid lines.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1, the utility model provides an ultra-flexible voltage-resistant fireproof cable, which comprises a cable body 1, wherein the cable body 1 mainly comprises an inner cylinder 2, an outer cylinder 4 and a plurality of cable cores 3, the inner cylinder 2 is connected with the outer cylinder 4 through a plurality of elastic supporting plates 5, and the elastic supporting plates 5 are made of polyurethane elastic rubber plates (see fig. 1); utilize a plurality of elastic support portions to protect cable core 3, can cushion receiving extruded cable body 1 simultaneously, the protecting effect is good.

The space between the inner barrel 2 and the outer barrel 4 is divided into a plurality of cavities by a plurality of elastic supporting plates 5, a plurality of cable cores 3 are respectively positioned in the cavities, a shielding layer 6 is bonded on the outer surface of the outer barrel 4, and the material of the shielding layer 6 is specifically copper foil cloth formed by weaving copper foil and polyester fiber (see figure 1); utilize shielding layer 6 to avoid the inside inductance phenomenon that takes place of cable body 1, effectively avoid the inside cable core 3 of cable body 1 to receive external electromagnetic interference.

A flexible layer 7 is bonded on the outer surface of the shielding layer 6, and the material of the flexible layer 7 is specifically a graphene continuous assembly film (see fig. 1); utilize flexible layer 7 to make cable body 1 have good pliability performance for cable body 1 has good reconversion ability after folding, avoids the crease to produce and influences the signal of telecommunication and switch on.

A reinforcing layer 8 is adhered to one side surface of the flexible layer 7 away from the shielding layer 6; the interior of the cable body 1 is protected by the reinforcing layer 8.

The outer surface of the reinforcing layer 8 is coated with a fireproof layer 9, and the fireproof layer 9 is specifically made of an intumescent perchloroethylene fireproof coating (see figure 1); the setting of flame retardant coating 9 makes cable body 1 have good fire prevention fire-retardant ability, and then avoids cable body 1 to receive the harm when the conflagration.

The outer surface of the fireproof layer 9 is coated with a corrosion-resistant layer 10, and the material of the corrosion-resistant layer 10 is specifically polyvinyl chloride corrosion-resistant paint (see fig. 1); the cable body 1 is protected by arranging the corrosion-resistant layer 10, so that the cable body is prevented from being damaged due to corrosion, and the service life of the cable body is prolonged.

The outer surface of the cable body 1 is provided with anti-skid grains 11.

When in use, a plurality of elastic supporting plates 5 are arranged between the inner barrel 2 and the outer barrel 4 to separate a plurality of cable cores 3 for protection, the mutual contact between the cable cores 3 is avoided, meanwhile, the buffer is carried out when the cable body 1 is extruded, the protection effect is good, the cable body 1 has certain antiskid property by utilizing the arrangement of the antiskid lines 11 on the surface of the cable body 1, the shielding layer 6 enables the cable body 1 to have good electric signal shielding capacity, the interaction between the inside and the outside of the cable body 1 is avoided, the voltage resistance is improved, the flexible layer 7 enables the cable body 1 to have good folding and original state restoring capacity, the signal conduction is prevented from being influenced by folding, the reinforcing layer 8 improves the overall structural performance of the cable body 1, the fireproof layer 9 and the corrosion-resistant layer 10 enable the cable body 1 to have good fireproof and flame-retardant capacities and corrosion-resistant performances, the service life is prolonged.

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. Super flexible voltage resistant fireproof cable, including cable body (1), its characterized in that: the cable body (1) mainly comprises an inner cylinder (2), an outer cylinder (4) and a plurality of cable cores (3), the inner cylinder (2) is connected with the outer cylinder (4) through a plurality of elastic supporting plates (5), and a plurality of elastic supporting plates (5) divide the space between the inner cylinder (2) and the outer cylinder (4) into a plurality of cavities, and a plurality of cable cores (3) are respectively positioned inside a plurality of cavities, the outer surface of the outer cylinder (4) is bonded with a shielding layer (6), a flexible layer (7) is bonded on the outer surface of the shielding layer (6), a reinforcing layer (8) is bonded on one side surface of the flexible layer (7) far away from the shielding layer (6), the outer surface of the reinforcing layer (8) is coated with a fireproof layer (9), the outer surface of the fireproof layer (9) is coated with a corrosion-resistant layer (10), and the outer surface of the cable body (1) is provided with anti-skid grains (11).

2. The ultra-flexible voltage-resistant fireproof cable of claim 1, wherein: the elastic support plate (5) is specifically made of a polyurethane elastic rubber plate.

3. The ultra-flexible voltage-resistant fireproof cable of claim 1, wherein: the shielding layer (6) is specifically made of copper foil cloth woven by copper foil and polyester fibers.

4. The ultra-flexible voltage-resistant fireproof cable of claim 1, wherein: the flexible layer (7) is specifically made of a graphene continuous assembly film.

5. The ultra-flexible voltage-resistant fireproof cable of claim 1, wherein: the fireproof layer (9) is made of expanded perchloroethylene fireproof paint.

6. The ultra-flexible voltage-resistant fireproof cable of claim 1, wherein: the corrosion-resistant layer (10) is specifically made of polyvinyl chloride corrosion-resistant coating.