CN212365587U - Special fire-fighting double-flame-retardant cable with strong anti-interference capability - Google Patents

Special fire-fighting double-flame-retardant cable with strong anti-interference capability Download PDF

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Publication number
CN212365587U
CN212365587U CN202020789006.2U CN202020789006U CN212365587U CN 212365587 U CN212365587 U CN 212365587U CN 202020789006 U CN202020789006 U CN 202020789006U CN 212365587 U CN212365587 U CN 212365587U
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CN
China
Prior art keywords
cable
flame
retardant
fire
sleeve
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020789006.2U
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Chinese (zh)
Inventor
王长顶
王志
倪健
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Yangzhou Zhixin Electronic Technology Co ltd
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Yangzhou Zhixin Electronic Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Yangzhou Zhixin Electronic Technology Co ltd filed Critical Yangzhou Zhixin Electronic Technology Co ltd
Priority to CN202020789006.2U priority Critical patent/CN212365587U/en
Application granted granted Critical
Publication of CN212365587U publication Critical patent/CN212365587U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a fire-fighting special double flame-retardant cable with strong anti-interference capability in the cable field, which comprises an outer protective sleeve, wherein an asbestos fiber sleeve is arranged in the outer protective sleeve, a glass fiber sleeve is arranged in the asbestos fiber sleeve, a tensile steel cable is arranged in the middle of the glass fiber sleeve, a flame-retardant silica gel is sleeved outside the tensile steel cable, the flame-retardant silica gel is provided with a snap ring all around, a group of cable bodies are arranged outside the snap ring, a group of the cable bodies are provided with a basalt fiber filling layer outside, a ceramic fiber filling layer is arranged in the cable bodies, a polyethylene inner sheath is arranged in the ceramic fiber filling layer, a polyester tape wrapping layer is arranged in the polyethylene inner sheath, a tinned anaerobic soft copper wire braided shielding layer is arranged in the polyester tape wrapping layer, a plurality of cable cores are arranged in the tinned anaerobic soft copper wire braided shielding layer, and an insulating sleeve and a flame-retardant filling layer are sleeved outside, so that the anti-interference performance of the cable is greatly enhanced.

Description

Special fire-fighting double-flame-retardant cable with strong anti-interference capability
Technical Field
The utility model relates to the technical field of cables, specifically be a special two fire-retardant type cables of fire control that interference killing feature is strong.
Background
At present domestic power supply cable for fire control, mostly use and provide the electric energy at complicated high temperature scene of a fire for fire control apparatus, in order to guarantee the normal circular telegram of cable in the high temperature scene of a fire, generally need install fire-retardant protective sheath additional in the outside of cable, advance the separation to the outside flame in scene of a fire, but under the complicated environment in scene of a fire the inside wire of cable is easy to be loaded excessively and is leaded to cable from inside burning, even blow the cable, and the cable in the scene of a fire receives external disturbance easily, such as electrostatic induction, electromagnetic induction and conductive induction, the cable that reason should conduct correct signal itself also can become the emergence source of interference, influence fire control work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special two fire-retardant type cables of fire control that interference killing feature is strong to solve the inside wire of cable that proposes in the above-mentioned background art and load too big easily and lead to the cable from inside burning and receive external disturbance's problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: a fire-fighting special double-flame-retardant cable with strong anti-interference capability comprises an outer protective sleeve, wherein an asbestos fiber sleeve is inserted into the inner wall of the outer protective sleeve, the inner wall of the asbestos fiber sleeve is inserted with a glass fiber sleeve, the middle part of the inner cavity of the glass fiber sleeve is provided with a tensile steel cable, the outer surface of the tensile steel cable is sleeved with flame-retardant silica gel, the periphery of the outer surface of the flame-retardant silica gel is provided with snap rings, a group of cable bodies are arranged at the outer sides of the snap rings, a basalt fiber filling layer is arranged on the outer surface of each group of cable bodies, the inner cavity of the cable body is provided with a ceramic fiber filling layer, the inner wall of the ceramic fiber filling layer is provided with a polyethylene inner sheath, the inner wall of the polyethylene inner sheath is spliced with a polyester tape winding layer, the inner wall of the polyester tape winding layer is spliced with a tinned anaerobic soft copper wire braided shielding layer, and the inner wall of the tinned anaerobic soft copper wire braided shielding layer is spliced with a plurality of cable cores.
Preferably, the middle part of the flame-retardant silica gel is provided with a plurality of through holes.
Preferably, the middle parts of the cable cores are provided with axial ropes.
Preferably, the outer surfaces of a plurality of cable cores are sleeved with polyethylene insulating sleeves.
Preferably, a plurality of cable cores are spirally and symmetrically stranded.
Preferably, the tensile steel cable is formed by twisting a plurality of strands of copper plated wires sprayed with acrylic fibers.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a with the articulated of a plurality of cable core symmetry star types, the articulated connection form of symmetry star type can reduce the interference of external magnetic field to the cable core to the outside cover has the insulating bush, and the polyethylene insulating bush avoids between the cable core because the cable core resistance increases the overheat damage because of wearing and tearing electric current drunkenness, and fire-retardant filling layer can bear high temperature, avoids the cable to damage from inside, strengthens the interference immunity of cable greatly;
the utility model discloses a set up the hindrance that the fag end can reduce between the cable core to reduce electric capacity, can strengthen the stretch-proofing ability of cable core simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an outer protective sheath; 2. an asbestos fiber sleeve; 3. a glass fiber sleeve; 4. a tensile steel cable; 5. flame-retardant silica gel; 6. a snap ring; 7. a cable body; 8. a basalt fiber fill layer; 9. a ceramic fiber filler layer; 10. a polyethylene inner sheath; 11. a polyester tape wrap; 12. a tinned anaerobic soft copper wire braided shielding layer; 13. a cable core; 14. a shaft rope; 15. polyethylene insulating sleeve.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a fire-fighting special double-flame-retardant cable with strong anti-interference capability comprises an outer protective sleeve 1 made of flame-retardant polyethylene and having an external flame-retardant effect, an asbestos fiber sleeve 2 is inserted into the inner wall of the outer protective sleeve 1 to improve the external flame-retardant capability of the utility model, a glass fiber sleeve 3 is inserted into the inner wall of the asbestos fiber sleeve 2, the cable has the characteristics of high temperature resistance, flame retardance, insulation and the like, a tensile steel cable 4 is arranged in the middle of the inner cavity of the glass fiber sleeve 3 to improve the tensile resistance, flame-retardant silica gel 5 is sleeved on the outer surface of the tensile steel cable 4 to avoid internal combustion, snap rings 6 are arranged around the outer surface of the flame-retardant silica gel 5, a group of cable bodies 7 are arranged outside the snap rings 6, four groups are arranged, the cable bodies 7 are fixed by the snap rings 6, a basalt fiber filling layer 8 is arranged on the outer surface of, 7 inner chambers of fire-retardant cable body are provided with ceramic fibre filling layer 9, avoid the inside high temperature combustion of cable body 7 to lead to damaging, and the 9 inner walls of ceramic fibre filling layer are provided with polyethylene inner sheath 10, and it has polyester area around covering 11 to peg graft in polyethylene inner sheath 10 inner wall, and it has tin-plating anaerobic soft copper wire to weave shielding layer 12, the reinforcing to peg graft around covering 11 inner walls in the polyester area the utility model discloses an interference killing feature, tin-plating anaerobic soft copper wire weave shielding layer 12 inner wall peg graft and have a plurality of cable core 13.
Referring to fig. 1, the middle of the flame retardant silica gel 5 is provided with a plurality of through holes, so that heat emitted from the cable body 7 can be diffused, and the heat of the flame retardant silica gel 5 can be reduced;
referring to fig. 1, the central portions of the cable cores 13 are provided with the axial ropes 14, so that capacitance between the cable cores 13 is reduced, and meanwhile, tensile resistance of the cable cores 13 can be enhanced;
referring to fig. 1, the outer surfaces of the plurality of cable cores 13 are sleeved with polyethylene insulating sleeves 15, so that the cable cores 13 are prevented from being electrically contacted, the resistance of the cable body 7 is increased, and the heating speed of the cable cores 13 is increased;
referring to fig. 1, a plurality of cable cores 13 are twisted spirally and symmetrically and hinged in a star shape, so that the anti-interference capability of the cable cores 13 can be enhanced;
referring to fig. 1, the tensile steel cable 4 is formed by twisting a plurality of strands of copper-plated filaments sprayed with acrylic fibers, so as to enhance the tensile resistance and flame retardancy of the tensile steel cable 4.
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 (6)

1. The utility model provides a fire control special use is two fire-retardant type cable that interference killing feature is strong, includes outer protective sheath (1), its characterized in that: the inner wall of the outer protective sleeve (1) is spliced with an asbestos fiber sleeve (2), the inner wall of the asbestos fiber sleeve (2) is spliced with a glass fiber sleeve (3), the middle part of the inner cavity of the glass fiber sleeve (3) is provided with a tensile steel cable (4), the outer surface of the tensile steel cable (4) is sleeved with flame-retardant silica gel (5), the periphery of the outer surface of the flame-retardant silica gel (5) is provided with a snap ring (6), the outer side of the snap ring (6) is provided with a group of cable bodies (7), the outer surface of the cable bodies (7) is provided with a basalt fiber filling layer (8), the inner cavity of the cable bodies (7) is provided with a ceramic fiber filling layer (9), the inner wall of the ceramic fiber filling layer (9) is provided with a polyethylene inner sheath (10), the inner wall of the polyethylene inner sheath (10) is spliced with a polyester tape wrapping layer (11), the inner wall of the polyester, the inner wall of the tinned oxygen-free soft copper wire braided shielding layer (12) is spliced with a plurality of cable cores (13).
2. The fire-fighting special double-flame-retardant cable with strong anti-interference capability according to claim 1, characterized in that: and the middle part of the flame-retardant silica gel (5) is provided with a plurality of through holes.
3. The fire-fighting special double-flame-retardant cable with strong anti-interference capability according to claim 1, characterized in that: and the middle parts of the cable cores (13) are provided with axial ropes (14).
4. The fire-fighting special double-flame-retardant cable with strong anti-interference capability according to claim 1, characterized in that: the outer surface of the cable cores (13) is sleeved with a polyethylene insulating sleeve (15).
5. The fire-fighting special double-flame-retardant cable with strong anti-interference capability according to claim 1, characterized in that: the cable cores (13) are spirally and symmetrically stranded.
6. The fire-fighting special double-flame-retardant cable with strong anti-interference capability according to claim 1, characterized in that: the tensile steel cable (4) is formed by twisting a plurality of strands of copper plated wires sprayed with acrylic fibers.
CN202020789006.2U 2020-05-13 2020-05-13 Special fire-fighting double-flame-retardant cable with strong anti-interference capability Expired - Fee Related CN212365587U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020789006.2U CN212365587U (en) 2020-05-13 2020-05-13 Special fire-fighting double-flame-retardant cable with strong anti-interference capability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020789006.2U CN212365587U (en) 2020-05-13 2020-05-13 Special fire-fighting double-flame-retardant cable with strong anti-interference capability

Publications (1)

Publication Number Publication Date
CN212365587U true CN212365587U (en) 2021-01-15

Family

ID=74148282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020789006.2U Expired - Fee Related CN212365587U (en) 2020-05-13 2020-05-13 Special fire-fighting double-flame-retardant cable with strong anti-interference capability

Country Status (1)

Country Link
CN (1) CN212365587U (en)

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Granted publication date: 20210115