CN215868748U - Polyimide polytetrafluoroethylene composite film insulated wire and cable - Google Patents

Polyimide polytetrafluoroethylene composite film insulated wire and cable Download PDF

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Publication number
CN215868748U
CN215868748U CN202122210334.XU CN202122210334U CN215868748U CN 215868748 U CN215868748 U CN 215868748U CN 202122210334 U CN202122210334 U CN 202122210334U CN 215868748 U CN215868748 U CN 215868748U
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CN
China
Prior art keywords
cable
layer
polyimide
composite film
polytetrafluoroethylene composite
Prior art date
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
CN202122210334.XU
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Chinese (zh)
Inventor
李松树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Zhengbiao Jinda Cable Group Co ltd
Original Assignee
Tianjin Zhengbiao Jinda Cable Group 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.)
Filing date
Publication date
Application filed by Tianjin Zhengbiao Jinda Cable Group Co ltd filed Critical Tianjin Zhengbiao Jinda Cable Group Co ltd
Priority to CN202122210334.XU priority Critical patent/CN215868748U/en
Application granted granted Critical
Publication of CN215868748U publication Critical patent/CN215868748U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a polyimide polytetrafluoroethylene composite film insulated wire cable which comprises a plurality of cable cores, wherein each cable core is coated with a polyfluortetraethylene mica tape, the inner side of the polyfluortetraethylene mica tape is bonded with a carbon-free thin film layer through a silicone resin adhesive, a polyimide polytetrafluoroethylene composite film is arranged outside the plurality of cable cores, a filling layer is arranged outside the cable cores on the inner side of the polyimide polytetrafluoroethylene composite film, a cellophane isolation layer, a metal mesh shielding layer, a ceramic silicone rubber layer, a flame retardant layer and an outer sheath are sequentially arranged outside the polyimide polytetrafluoroethylene composite film, a plurality of first torsion-pulling-resistant occlusion lugs are arranged on the periphery of the ceramic silicone rubber layer, and a plurality of second torsion-pulling-resistant occlusion lugs are arranged on the periphery of the flame retardant layer. The cable has good insulating property, good fire-resistant insulating effect and good flame-retardant heat-insulating property, can effectively prevent the electric breakdown phenomenon of the cable, and has high-temperature resistance grade; good torsion and tension resistance, high strength, high occlusion degree and difficult deformation and damage.

Description

Polyimide polytetrafluoroethylene composite film insulated wire and cable
Technical Field
The utility model relates to the technical field of insulated cables, in particular to a polyimide polytetrafluoroethylene composite film insulated wire and cable.
Background
The electric wire and the cable are used for transmitting electric energy. The broad term wire cable is simply referred to as cable, and the narrow term wire cable refers to insulated cable, i.e. one or more insulated cores with their respective coating, protective and outer jacket.
At present, current wire and cable is relatively poor in the aspect of fire-resistant insulation, and insulation resistance is low, has great electric leakage risk, and the cable can twist and draw sometimes in the use moreover, and intensity is not enough, and easy breaking phenomenon takes place influences life.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a polyimide polytetrafluoroethylene composite film insulated wire cable.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a polyimide polytetrafluoroethylene complex film insulated wire cable, includes a plurality of cable core, and the outer cladding of every cable core has polyfluorogold mica tape, polyfluorogold mica tape is inboard to have non-carbon thin layer through the bonding of silicone resin adhesive, and the parcel has a plurality of cable cores of non-carbon thin layer, polyfluorogold mica tape to be equipped with polyimide polytetrafluoroethylene complex film outward, polyimide polytetrafluoroethylene complex film is inboard to be equipped with the filling layer outward at the cable core, polyimide polytetrafluoroethylene complex film is equipped with cellophane isolation layer, metal mesh shielding layer, ceramic silastic-layer, fire-retardant layer and oversheath outward in proper order, ceramic silastic-layer peripheral circumference is equipped with a plurality of first antitorque and draws the lug interlock, fire-retardant layer peripheral circumference is equipped with the antitorque interlock lug that draws of a plurality of seconds.
And a reinforcing rope is arranged between two adjacent cable cores in the filling layer.
The reinforcing rope is formed by twisting a plurality of sisal hemp strands.
And a plurality of wear-resistant protective wires are arranged on the circumference of the outer wall of the outer sheath.
The first torsion-resistant pull-engagement projection is bent in a clockwise direction, and the second torsion-resistant pull-engagement projection is bent in a counterclockwise direction.
And a silver-plated protective layer is arranged outside the cable core and is positioned on the inner side of the carbon-free thin film layer.
And an anti-ultraviolet layer is arranged outside the outer sheath.
The utility model has the beneficial effects that: the insulating property of the utility model is good, the outside of the cable core is provided with the carbon-free thin film layer, the polyfluorogold mica tape and the polyimide polytetrafluoroethylene composite film, the carbon-free thin film layer has good fire-resistant insulating effect, the polyfluorogold mica tape has good flame-retardant heat-insulating property, the polyimide polytetrafluoroethylene composite film can not burn when the temperature of the cable core is overhigh, the polyimide polytetrafluoroethylene composite film is used as an insulating layer, the electric breakdown phenomenon of the cable can be effectively prevented, the high temperature resistant grade of the cellophane insulating layer is high, and the safety coefficient is high; the first torsion-resistant pulling and meshing convex block and the second torsion-resistant pulling and meshing convex block can improve the torsion resistance of the cable, the strength is increased, the meshing degree is high, and the cable is not easy to deform and damage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a cable core; 2-polyfluorogold mica tape; 3-a carbon-free thin film layer; 4-polyimide polytetrafluoroethylene composite film; 5-a filling layer; 6-a glassine paper barrier layer; 7-a metallic mesh shielding layer; 8-a silicon ceramic rubber layer; 9-a flame retardant layer; 10-an outer sheath; 11-a first anti-twist snap-on projection; 12-a second anti-twist pull snap tab; 13-a reinforcing cord; 14-wear resistant protective wire; 15-silver plating protective layer;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in figure 1, the polyimide polytetrafluoroethylene composite film insulated wire cable comprises a plurality of cable cores 1, each cable core 1 is coated with a polyfluorogold mica tape 2, the inner side of the polyfluoroan mica tape 2 is bonded with a carbon-free thin film layer 3 through a silicone resin adhesive, a plurality of cable cores 1 wrapped with the carbon-free thin film layer 3 and the polyfluoroan mica tape 2 are externally provided with a polyimide polytetrafluoroethylene composite film 4, a filling layer 5 is arranged outside the cable core 1 at the inner side of the polyimide polytetrafluoroethylene composite film 4, the polyimide polytetrafluoroethylene composite film 4 is externally provided with a cellophane isolation layer 6, a metal mesh shielding layer 7, a ceramic silicon rubber layer 8, a flame retardant layer 9 and an outer sheath 10 in sequence, a plurality of first anti-torsion pulling and meshing convex blocks 11 are arranged on the periphery of the ceramic silicon rubber layer 8, and a plurality of second anti-torsion pulling and meshing convex blocks 12 are arranged on the periphery of the flame retardant layer 9.
And a reinforcing rope 13 is arranged between every two adjacent cable cores 1 in the filling layer 5.
The reinforcing rope 13 is formed by twisting a plurality of sisal strands.
A plurality of wear-resistant protective wires 14 are arranged on the inner circumference of the outer sheath 10 close to the outer wall.
The first twist-resistant engagement projection 11 is bent in a clockwise direction, and the second twist-resistant engagement projection 12 is bent in a counterclockwise direction.
A silver-plated protective layer 15 is arranged outside the cable core 1, and the silver-plated protective layer 15 is positioned on the inner side of the carbon-free thin film layer 3.
An anti-ultraviolet layer is arranged outside the outer sheath 10.
The insulating property of the utility model is good, the non-carbon thin film layer 3, the polyfluorogold mica tape 2 and the polyimide polytetrafluoroethylene composite film 4 are arranged outside the cable core 1, the non-carbon thin film layer 3 has good fire-resistant insulating effect, the polyfluorogold mica tape 2 has good flame-retardant and heat-insulating properties, the cable core 1 can not burn when the temperature is too high, the polyimide polytetrafluoroethylene composite film 4 is used as an insulating layer, the electric breakdown phenomenon of the cable can be effectively prevented, the high-temperature resistant grade of the glass paper isolating layer 6 is high, and the safety factor is high; the first torsion-resistant pulling and meshing convex block 11 and the second torsion-resistant pulling and meshing convex block 12 can improve torsion resistance of the cable, strength is increased, meshing degree is high, and deformation and damage are not prone to occurring. The circumference of the outer wall of the outer sheath 10 is provided with a plurality of wear-resistant protective wires 14, so that the wear resistance can be improved, and the strength and the tensile property of the cable can be improved by the reinforcing ropes 13.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.

Claims (7)

1. The insulated wire and cable with the polyimide polytetrafluoroethylene composite film is characterized by comprising a plurality of cable cores (1), wherein each cable core (1) is coated with a polyfluortetraethylene mica tape (2), the inner side of each polyfluortetraethylene mica tape (2) is bonded with a carbon-free thin film layer (3) through a silicone resin adhesive, a plurality of cable cores (1) wrapped with the carbon-free thin film layers (3) and the polyfluortetraethylene mica tapes (2) are externally provided with the polyimide polytetrafluoroethylene composite film (4), the inner side of the polyimide polytetrafluoroethylene composite film (4) is provided with a filling layer (5) outside the cable cores (1), the polyimide polytetrafluoroethylene composite film (4) is sequentially provided with a glass paper isolation layer (6), a metal mesh shielding layer (7), a ceramic silicon rubber layer (8), a flame-retardant layer (9) and an outer sheath (10), the periphery of the ceramic silicon rubber layer (8) is provided with a plurality of first anti-torsion pulling interlock lugs (11), and a plurality of second anti-torsion pulling and meshing convex blocks (12) are arranged on the periphery of the flame-retardant layer (9).
2. The insulated wire and cable of claim 1, wherein the filling layer (5) is provided with a reinforcing rope (13) between two adjacent cable cores (1).
3. The insulated electric wire and cable of polyimide polytetrafluoroethylene composite film according to claim 2, wherein said reinforcing cords (13) are twisted from a plurality of sisal strands.
4. The insulated electric wire and cable of claim 3, wherein the outer sheath (10) is provided with a plurality of wear-resistant protective wires (14) at the inner circumference close to the outer wall.
5. The insulated electric wire and cable of polyimide polytetrafluoroethylene composite film according to claim 4, wherein said first twist-pull resistant engaging projection (11) is bent in a clockwise direction, and said second twist-pull resistant engaging projection (12) is bent in a counterclockwise direction.
6. The insulated electric wire and cable of the polyimide polytetrafluoroethylene composite film according to claim 5, wherein a silver-plated protective layer (15) is arranged outside the cable core (1), and the silver-plated protective layer (15) is positioned on the inner side of the carbon-free thin film layer (3).
7. The insulated electric wire and cable of polyimide polytetrafluoroethylene composite film according to claim 6, wherein the outer sheath (10) is provided with an ultraviolet-resistant layer.
CN202122210334.XU 2021-09-14 2021-09-14 Polyimide polytetrafluoroethylene composite film insulated wire and cable Expired - Fee Related CN215868748U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122210334.XU CN215868748U (en) 2021-09-14 2021-09-14 Polyimide polytetrafluoroethylene composite film insulated wire and cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122210334.XU CN215868748U (en) 2021-09-14 2021-09-14 Polyimide polytetrafluoroethylene composite film insulated wire and cable

Publications (1)

Publication Number Publication Date
CN215868748U true CN215868748U (en) 2022-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122210334.XU Expired - Fee Related CN215868748U (en) 2021-09-14 2021-09-14 Polyimide polytetrafluoroethylene composite film insulated wire and cable

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CN (1) CN215868748U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119069171A (en) * 2024-11-01 2024-12-03 四川九洲线缆有限责任公司 A compensating wire and its manufacturing process and quality inspection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119069171A (en) * 2024-11-01 2024-12-03 四川九洲线缆有限责任公司 A compensating wire and its manufacturing process and quality inspection method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20220218