CN206947000U - Cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind - Google Patents

Cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind Download PDF

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Publication number
CN206947000U
CN206947000U CN201720826451.XU CN201720826451U CN206947000U CN 206947000 U CN206947000 U CN 206947000U CN 201720826451 U CN201720826451 U CN 201720826451U CN 206947000 U CN206947000 U CN 206947000U
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China
Prior art keywords
cable
steel
separation sleeve
ceramic
lsoh
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CN201720826451.XU
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Chinese (zh)
Inventor
周海燕
章泽培
游坤华
黎伟泽
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GUANGDONG CABLE WORKS CO Ltd
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GUANGDONG CABLE WORKS CO Ltd
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Priority to CN201720826451.XU priority Critical patent/CN206947000U/en
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Abstract

The utility model discloses cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind,LSOH anti-flaming sheath is not dripped including cable body and,The inside for not dripping LSOH anti-flaming sheath is provided with cable body,Steel-tape armouring is provided with the cable body,The steel-tape armouring is connected by not dripping LSOH anti-flaming sheath with cable body,The rear of the steel-tape armouring is provided with ceramic separation sleeve,The ceramic separation sleeve is connected by steel-tape armouring with not dripping LSOH anti-flaming sheath,The rear of the ceramic separation sleeve is provided with oxygen barrier layer,The oxygen barrier layer is connected by ceramic separation sleeve with steel-tape armouring,The rear of the oxygen barrier layer is provided with wrapped glass fibre belt,The wrapped glass fibre belt is connected by oxygen barrier layer with ceramic separation sleeve,The device sets ceramic refractory material,Hard ceramic shape housing can be quickly converted under flame,Add fire resistance,Secondly this material has resistance to compression,Tension and erosion resistance,It is simple in construction,It is easily achieved.

Description

Cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind
Technical field
Electric power accessories field is the utility model is related to, is specially that cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind. Belong to power cable field.
Background technology
Cable is typically the cable for the similar rope that by several or several groups of wires (every group at least two) are twisted, by electricity Power or information are transferred to the wire at another place at one, mutually insulated between every group of wire, and are often twisted into around a center, Whole outside is surrounded by the coating of high-insulation.Cable has interior energization, the feature of external insulation, and cable hasPower cableControl CableCompensating cableShielded cableHigh-temperature cableComputer cableSignal cableCoaxial cableFire-resisting cableMarine electric CableMine cableAluminium alloy cableEtc., cable is mostly direct current cables, and outdoor laying is more, need protection against the tide, insolation proof, it is cold-resistant, Heat-resisting, uvioresistant, the chemical substances such as anti-soda acid are also needed under some special environment.
At present, as the fast development of economy and the continuous improvement of living standards of the people, society's electricity consumption amount greatly increase, respectively The steep increasing of kind electrical equipment consumption, but existing cable is weaker in terms of fire prevention, waterproof and decay resistance, secondly lacks soft Soft to be unfavorable for bending use, these are all physical presence and urgent problem.
Utility model content
The purpose of this utility model is pressing cross-linking polyethylene insulated fire resistant fire-resisting cable in one kind is provided, and solves background The problem of proposed in technology.
To solve the above problems, the utility model provides following technical scheme:Cross-linking polyethylene insulated fire resistant is pressed in one kind Fire-resisting cable, including cable body and LSOH anti-flaming sheath is not dripped, it is described not drip the interior of LSOH anti-flaming sheath Portion is provided with cable body, is provided with steel-tape armouring in the cable body, the steel-tape armouring is not by dripping LSOH anti-flaming Sheath is connected with cable body, and the rear of the steel-tape armouring is provided with ceramic separation sleeve, and the ceramic separation sleeve passes through steel Band armouring is connected with not dripping LSOH anti-flaming sheath, and the rear of the ceramic separation sleeve is provided with oxygen barrier layer, the oxygen barrier Layer is connected by ceramic separation sleeve with steel-tape armouring, and the rear of the oxygen barrier layer is provided with wrapped glass fibre belt, the wrapped glass Band is connected by oxygen barrier layer with ceramic separation sleeve.
As a kind of preferred embodiment of the present utility model, the inside of the wrapped glass fibre belt is filled provided with ceramic Rope, the ceramic gasket for packing are connected by wrapped glass fibre belt with oxygen barrier layer.
As a kind of preferred embodiment of the present utility model, twisted copper conductors, institute are provided with the ceramic gasket for packing State twisted copper conductors and be externally provided with inner shield, the outer layer of the inner shield is provided with crosslinked polyetylene insulated, and the crosslinked polyethylene is exhausted Edge is connected by inner shield with twisted copper conductors.
As a kind of preferred embodiment of the present utility model, the crosslinked polyetylene insulated outside is provided with external shield, The external shield is connected by crosslinked polyetylene insulated with inner shield.
As a kind of preferred embodiment of the present utility model, the outside of the external shield is provided with copper strip shielding, the copper Band shielding passes through external shield and crosslinked polyetylene insulated connection.
Compared with prior art, the beneficial effects of the utility model are as follows:
1. setting steel-tape armouring by hereinto pressing in cross-linking polyethylene insulated fire resistant fire-resisting cable, the anti-of cable is added Performance is pressed, secondly wrapped glass fibre belt is connected by oxygen barrier layer with ceramic separation sleeve, adds fire resistance, can be fast under flame Speed is converted into hard ceramic shape housing, and temperature is higher, and housing is harder, and housing fusion temperature is up to 3000 DEG C.
2. by setting a twisted copper conductors in the inner side of inner shield, twisted copper conductors first use copper content More than more than 99.97% copper wire is twisted, and electric conductivity is excellent, and secondly twisted copper conductors are added by carrying out bundle line after welding Work, pliability is added, strengthen the efficiency that the bending of whole cable uses.
Brief description of the drawings
Fig. 1 is that cross-linking polyethylene insulated fire resistant fire-resisting cable structural representation is pressed in the utility model one kind;
Fig. 2 is that cross-linking polyethylene insulated fire resistant fire-resisting cable side schematic view is pressed in the utility model one kind;
In figure:1- cable bodies, 2- do not drip LSOH anti-flaming sheath, 3- steel-tape armourings, 4- ceramics separation sleeve, 5- The wrapped glass fibre belt of oxygen barrier layer, 6-, 7- ceramics gasket for packing, 8- copper strip shieldings, 9- external shields, 10- are crosslinked polyetylene insulated, 11- Inner shield, 12- twisted copper conductors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 to Fig. 2 is referred to, the utility model provides a kind of technical scheme:Cross-linking polyethylene insulated fire resistant is pressed in one kind Fire-resisting cable, including cable body 1 and do not drip LSOH anti-flaming sheath 2, the LSOH anti-flaming sheath 2 that do not drip Inside is provided with cable body 1, is provided with steel-tape armouring 3 in the cable body 1, the steel-tape armouring 3 is low by not dripping Halogen Cigarette fire retardant jacket 2 is connected with cable body 1, and the rear of the steel-tape armouring 3 is provided with ceramic separation sleeve 4, the ceramic every 4 be connected from set by steel-tape armouring 3 with not dripping LSOH anti-flaming sheath 2, the rear of the ceramic separation sleeve 4 provided with every Oxygen layer 5, the oxygen barrier layer 5 are connected by ceramic separation sleeve 4 with steel-tape armouring 3, and the rear of the oxygen barrier layer 5 is provided with wrapped glass Fibre ribbons 6, the wrapped glass fibre belt 6 are connected by oxygen barrier layer 5 with ceramic separation sleeve 4.
The inside of wrapped glass fibre belt 6 is provided with ceramic gasket for packing 7, the ceramic gasket for packing 7 by wrapped glass fibre belt 6 with Oxygen barrier layer 5 connects, and wrapped glass fibre belt 6 adds anti-flammability and durability.
Twisted copper conductors 12 are provided with ceramic gasket for packing 7, the twisted copper conductors 12 are externally provided with inner shield 11, described interior The outer layer of shielding 11 passes through inner shield 11 and twisted copper conductors provided with crosslinked polyetylene insulated 10, described crosslinked polyetylene insulated 10 12 connections, the setting of polyethylene insulation 10 are easy to insulate.
Crosslinked polyetylene insulated 10 outside is provided with external shield 9, the external shield 9 by crosslinked polyetylene insulated 10 with it is interior The connection of shielding 11, external shield 9 further increase insulating properties.
The outside of external shield 9 is provided with copper strip shielding 8, and the copper strip shielding 8 passes through external shield 9 and crosslinked polyetylene insulated 10 Connection, copper strip shielding 8 serve the purpose of separation of ceramic gasket for packing 7.
Use process:It is entirely middle first to press cross-linking polyethylene insulated fire resistant fire-resisting cable as the mode wrapped up layer by layer, outermost Layer, which is provided that, does not drip LSOH anti-flaming sheath 2, does not drip LSOH anti-flaming sheath 2 and is formed by sheath material pressing Circle flat pattern cable there are multiple advantages, serve the effect of Global Macros for cable, secondly steel-tape armouring 3 adds whole electricity The compressive property of cable, protection being served to inner body, wrapped glass fibre belt 6 is connected by oxygen barrier layer 5 with ceramic separation sleeve 4, Fire resistance is added, then the current-carrying of ceramic separation sleeve 4 and overload capacity are big, and Long-term service temperature can be to 90 DEG C, in short-term Between refractory temperature up to 950 DEG C, while also have fairly good mechanical strength, resistance to compression, tension, antiseptic power strong.
Finally it should be noted that:Preferred embodiment of the present utility model is the foregoing is only, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., It should be included within the scope of protection of the utility model.

Claims (5)

1. pressing cross-linking polyethylene insulated fire resistant fire-resisting cable in one kind, including cable body (1) and do not drip LSOH anti-flaming Sheath (2), the inside for not dripping LSOH anti-flaming sheath (2) are provided with cable body (1), it is characterised in that:The electricity Steel-tape armouring (3) is provided with cable body (1), the steel-tape armouring (3) is not by dripping LSOH anti-flaming sheath (2) and cable Body (1) connects, and the rear of the steel-tape armouring (3) is provided with ceramic separation sleeve (4), and the ceramic separation sleeve (4) passes through Steel-tape armouring (3) is connected with not dripping LSOH anti-flaming sheath (2), and the rear of the ceramic separation sleeve (4) is provided with oxygen barrier Layer (5), the oxygen barrier layer (5) are connected by ceramic separation sleeve (4) with steel-tape armouring (3), and the rear of the oxygen barrier layer (5) is set There is wrapped glass fibre belt (6), the wrapped glass fibre belt (6) is connected by oxygen barrier layer (5) with ceramic separation sleeve (4).
2. press cross-linking polyethylene insulated fire resistant fire-resisting cable in one kind according to claim 1, it is characterised in that:It is described around The inside of bag glass fibre belt (6) is provided with ceramic gasket for packing (7), the ceramic gasket for packing (7) by wrapped glass fibre belt (6) with every Oxygen layer (5) connects.
3. press cross-linking polyethylene insulated fire resistant fire-resisting cable in one kind according to claim 2, it is characterised in that:The pottery Twisted copper conductors (12) are provided with porcelain gasket for packing (7), the twisted copper conductors (12) are externally provided with inner shield (11), the interior screen The outer layer for covering (11) is provided with crosslinked polyetylene insulated (10), and crosslinked polyetylene insulated (10) are by inner shield (11) with being twisted Copper conductor (12) connects.
4. press cross-linking polyethylene insulated fire resistant fire-resisting cable in one kind according to claim 3, it is characterised in that:The friendship The outside of connection polyethylene insulation (10) is provided with external shield (9), and the external shield (9) passes through crosslinked polyetylene insulated (10) and interior screen Cover (11) connection.
5. press cross-linking polyethylene insulated fire resistant fire-resisting cable in one kind according to claim 4, it is characterised in that:It is described outer The outside of shielding (9) is provided with copper strip shielding (8), and the copper strip shielding (8) passes through external shield (9) and crosslinked polyetylene insulated (10) Connection.
CN201720826451.XU 2017-07-10 2017-07-10 Cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind Active CN206947000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720826451.XU CN206947000U (en) 2017-07-10 2017-07-10 Cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720826451.XU CN206947000U (en) 2017-07-10 2017-07-10 Cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind

Publications (1)

Publication Number Publication Date
CN206947000U true CN206947000U (en) 2018-01-30

Family

ID=61368356

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720826451.XU Active CN206947000U (en) 2017-07-10 2017-07-10 Cross-linking polyethylene insulated fire resistant fire-resisting cable is pressed in one kind

Country Status (1)

Country Link
CN (1) CN206947000U (en)

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