CN207458648U - Multicore flame-retardant low-smoke halogen-free controls cable - Google Patents

Multicore flame-retardant low-smoke halogen-free controls cable Download PDF

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Publication number
CN207458648U
CN207458648U CN201721631322.1U CN201721631322U CN207458648U CN 207458648 U CN207458648 U CN 207458648U CN 201721631322 U CN201721631322 U CN 201721631322U CN 207458648 U CN207458648 U CN 207458648U
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China
Prior art keywords
retardant
flame
layer
low
smoke halogen
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Active
Application number
CN201721631322.1U
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Chinese (zh)
Inventor
樊玉广
骆蜜
覃超甜
林浩明
伍镇鸿
唐国莲
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.)
Guangxi Shunye Cable Co Ltd
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Guangxi Shunye Cable Co Ltd
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Priority to CN201721631322.1U priority Critical patent/CN207458648U/en
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Abstract

The utility model discloses a kind of multicore flame-retardant low-smoke halogen-frees to control cable, and including cable conductor, cable conductor is outwards enclosed with insulating layer, filled layer, separation layer, shielded layer, sheath, armor, flame-retardant layer, outer jacket and protective layer successively.Wherein filled layer is flame-retardant low-smoke halogen-free glass fibre gasket for packing;Armor is bimetallic strip;Flame-retardant layer is Flame-retardant ceramic low-smoke zero-halogen fire-resistant composite wrapping tape;The material of outer jacket is low smoke halogen-free flame-retardant polyolefin.The multicore flame-retardant low-smoke halogen-free control cable of the utility model, has the characteristics that high temperature resistant, resistance to dragging, wear-resisting, anticorrosion, rat-and-ant proof.

Description

Multicore flame-retardant low-smoke halogen-free controls cable
Technical field
The utility model controls cable more particularly to a kind of multicore flame-retardant low-smoke halogen-free, belongs to field of cables.
Background technology
Control cable be suitable for ac rated voltage 450/750V and it is following automatically control or monitor system, electrical instrumentation company The occasions transmission line such as connect, with the development of the society, control cable is widely used, due to controlling the application environment electromagnetism of cable Interference etc. is very high, and the sheath material of general cable is easily ignited, if fire resistance is poor, these materials once burn, Generate a large amount of dense smoke containing extremely toxic substance, to environment, human body it is very harmful.The key project of nation-building at present is such as high The engineerings such as iron station, airport, subway light rail, these engineerings can use substantial amounts of control electricity during construction and use Cable.How to develop has the characteristics that high temperature resistant, resistance to dragging, wear-resisting, anticorrosion, rat-and-ant proof.It is again special suitable for fire-fighting simultaneously The requirement of occasion.And when fire occurs, rate of propagation is slow, and smoke density is low, it is seen that degree is high, and pernicious gas burst size is small, is convenient for Personnel withdraw.And the corrosivity of burning gases is small, also avoids the environment-friendly cable actually industry to instrument and equipment damage Urgent problem to be solved.
The information for being disclosed in the background section is merely intended to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form Technology.
Utility model content
The purpose of this utility model is to provide a kind of multicore flame-retardant low-smoke halogen-frees to control cable, with high temperature resistant, resistance to The features such as dragging, wear-resisting, anticorrosion, rat-and-ant proof.
To achieve the above object, the utility model provides a kind of multicore flame-retardant low-smoke halogen-free control cable, including electricity Cable conductor, cable conductor are outwards enclosed with insulating layer, filled layer, separation layer, shielded layer, sheath, armor, fire-retardant successively Layer, outer jacket and protective layer.Wherein filled layer is flame-retardant low-smoke halogen-free glass fibre gasket for packing;Armor is bimetallic strip; Flame-retardant layer is Flame-retardant ceramic low-smoke zero-halogen fire-resistant composite wrapping tape;The material of outer jacket is low smoke halogen-free flame-retardant polyolefin.
Preferably, in above-mentioned technical proposal, cable conductor is metallic conductor.
Preferably, in above-mentioned technical proposal, the material of insulating layer is crosslinked polyethylene.
Preferably, in above-mentioned technical proposal, separation layer is polypropylene band.
Preferably, in above-mentioned technical proposal, shielded layer is compound copper-plastics band or aluminium-plastic tape.
Preferably, in above-mentioned technical proposal, sheath is low smoke halogen-free flame-retardant polyolefin.
Preferably, in above-mentioned technical proposal, protective layer is polyamide.
Compared with prior art, the multicore flame-retardant low-smoke halogen-free control cable of the utility model, has high temperature resistant, resistance to drags Drag, be wear-resisting, anticorrosion, rat-and-ant proof the features such as.Simultaneously again suitable for the requirement of fire-fighting special occasions.It is climing and when fire occurs It is slow to prolong speed, smoke density is low, it is seen that degree is high, and pernicious gas burst size is small, is withdrawn convenient for personnel.And the corrosivity of burning gases It is small, also avoid the advantageous effect to instrument and equipment damage.
Description of the drawings
Fig. 1 is the transverse sectional view of multicore flame-retardant low-smoke halogen-free control cable according to the present utility model.
Main Reference Numerals explanation:
1- cable conductors, 2- insulating layers, 3- filled layers, 4- separation layers, 5- shielded layers, 6- sheaths, 7- armors, 8- resistances Fire layer, 9- outer jackets, 10- protective layers.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality New protection domain is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members Part or other components.
As shown in Figure 1, Fig. 1 is the schematic cross-section of multicore flame-retardant low-smoke halogen-free control cable according to the present utility model. Cable is controlled according to the multicore flame-retardant low-smoke halogen-free of specific embodiment of the present invention, including cable conductor 1, cable conductor 1 Outwards insulating layer 2, filled layer 3, separation layer 4, shielded layer 5, sheath 6, armor 7, flame-retardant layer 8, outer jacket 9 are enclosed with successively With protective layer 10.
In some embodiments, cable conductor 1 is twisted the metallic conductor pressed for multiple conducting wires, and insulating layer 2 is adopted Composition is extruded with crosslinked polyethylene.Insulating layer 2 is overlapped using synthetic mica tape and is formed around double-baging, and Duplication is not less than 20%. Filled layer 3 uses flame-retardant low-smoke halogen-free glass fibre gasket for packing.Separation layer 4 is overlapped wrapped composition using polypropylene band.In order to The interference free performance of cable is improved, shielded layer 5 is formed using copper strip shielding or plastic-aluminum combined shielding, is answered in copper strip shielding or plastic-aluminum The circular copper wire or tin-plating round copper wire of a placed longitudinally a diameter of 0.52mm (outside separation layer 4) under shielding is closed, to form drainage Line.
In some embodiments, sheath 6 and outer jacket 9 extruded using low-smoke and halogen-free flame retardant polyolefin jacket material and Into.
In some embodiments, bite to improve the twisting resistance of cable and rat-and-ant proof, crashworthiness, in sheath 6 It is outer to form armor 7 using bimetallic strip spiral is wrapped.
In some embodiments, trigger to solve conventional power cable due to fire-retardant, fire-proof high-temperature resistant performance is insufficient Security risk, the wrapped low-smoke non-halogen flame-retardant ceramic fire resisting composite band outside armor 7 form flame-retardant layer 8.
In some embodiments, in order to solve Traditional control cable because wear-resisting, cold-resistant, oil resistant, anticorrosion, rat-and-ant proof are gnawed The security risk of initiation is stung, is extruded outside outer jacket 9 using polyamide (Transparent color low smoke zero-halogen nylon) and forms protective layer 10.
In conclusion the multicore flame-retardant low-smoke halogen-free control cable of the utility model, compared with prior art with resistance to height The features such as warm, resistance to dragging, wear-resisting, anticorrosion, rat-and-ant proof.Simultaneously again suitable for the requirement of fire-fighting special occasions.And when fire is sent out When raw, rate of propagation is slow, and smoke density is low, it is seen that degree is high, and pernicious gas burst size is small, is withdrawn convenient for personnel.And burning gases Corrosivity it is small, the advantages of also avoiding damaging instrument and equipment.
The description of the foregoing specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explain the certain principles of the utility model And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (7)

1. a kind of multicore flame-retardant low-smoke halogen-free controls cable, which is characterized in that including:
Cable conductor is outwards enclosed with insulating layer, filled layer, separation layer, shielded layer, sheath, armor, fire-retardant successively Layer, outer jacket and protective layer;
Wherein described filled layer is flame-retardant low-smoke halogen-free glass fibre gasket for packing;The armor is bimetallic strip;It is described fire-retardant Layer is Flame-retardant ceramic low-smoke zero-halogen fire-resistant composite wrapping tape;The material of the outer jacket is low smoke halogen-free flame-retardant polyolefin.
2. multicore flame-retardant low-smoke halogen-free according to claim 1 controls cable, which is characterized in that the cable conductor is gold Belong to conductor.
3. multicore flame-retardant low-smoke halogen-free according to claim 1 controls cable, which is characterized in that the material of the insulating layer For crosslinked polyethylene.
4. multicore flame-retardant low-smoke halogen-free according to claim 1 controls cable, which is characterized in that the separation layer is poly- third Dilute band.
5. multicore flame-retardant low-smoke halogen-free according to claim 1 controls cable, which is characterized in that the shielded layer is moulded for copper Composite band or aluminium-plastic tape.
6. multicore flame-retardant low-smoke halogen-free according to claim 1 controls cable, which is characterized in that the sheath is low cigarette Halogen-free anti-flaming polyolefin.
7. multicore flame-retardant low-smoke halogen-free according to claim 1 controls cable, which is characterized in that the protective layer is polyamides Amine.
CN201721631322.1U 2017-11-29 2017-11-29 Multicore flame-retardant low-smoke halogen-free controls cable Active CN207458648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721631322.1U CN207458648U (en) 2017-11-29 2017-11-29 Multicore flame-retardant low-smoke halogen-free controls cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721631322.1U CN207458648U (en) 2017-11-29 2017-11-29 Multicore flame-retardant low-smoke halogen-free controls cable

Publications (1)

Publication Number Publication Date
CN207458648U true CN207458648U (en) 2018-06-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111785432A (en) * 2020-07-16 2020-10-16 安徽渡江电缆集团有限公司 Halogen-free flame-retardant control cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111785432A (en) * 2020-07-16 2020-10-16 安徽渡江电缆集团有限公司 Halogen-free flame-retardant control cable

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