CN107945953A - A kind of isolated form low pressure flame retardant cable - Google Patents
A kind of isolated form low pressure flame retardant cable Download PDFInfo
- Publication number
- CN107945953A CN107945953A CN201711201374.XA CN201711201374A CN107945953A CN 107945953 A CN107945953 A CN 107945953A CN 201711201374 A CN201711201374 A CN 201711201374A CN 107945953 A CN107945953 A CN 107945953A
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- China
- Prior art keywords
- layer
- coated
- low pressure
- flame retardant
- outside
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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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of isolated form low pressure flame retardant cable, cable core includes conducting wire, the conductor of conducting wire is twisted using stranded copper wire, insulating layer is coated on outside conductor, between multiple conducting wires the cable core with circular cross-section is formed filled with flame resistant filler material, lapping layer is coated on outside cable core, and fiberglass braided layer is coated on outside lapping layer, separation layer is coated on outside fiberglass braided layer, oversheath is coated on outside separation layer.Pass through the isolated form low pressure flame retardant cable of above-mentioned optimization design, it is reasonable in design, by coating fiberglass braided layer, separation layer, fire retardant jacket successively outside cable core, while ensureing the conducting power of cable, the fire resistance of cable is effectively improved, greatly improves security.
Description
Technical field
The present invention relates to field of cable technology, more particularly to a kind of isolated form low pressure flame retardant cable.
Background technology
It is fire-retardant, refer under regulation experimental condition, sample is burned, after burning things which may cause a fire disaster is removed, flame in sample vertical spread only
In prescribed limit and self-extinguish characteristic, that is, have prevent or delay flame occur or sprawling ability.Cable industry
Interior general made to flame retardant cable is required of standard GB/T/T19666-2005《Fire-retardant and fire-resistant wire and cable general rule》,
The more perfect combustion characteristics code name for defining cable of this standard, cable model, index request, test method (GB/T 18380)
Deng.In addition the GB 31247-2014 for issuing and implementing in the Ministry of Public Security in 2015《Cable and optical cable classification system for fire performance》, in GB/T
In 18380 original experimental basis, heat release and production cigarette characteristic testing equipment, the more accurate sensitive, resistance of test method are added
Combustion require higher, it is comprehensive it is stronger, to burning behavior class evaluation more science.The flame retardant cable of original ordinary construction cannot
Meet new nation's standard requirement.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of isolated form low pressure flame retardant cable.
A kind of isolated form low pressure flame retardant cable proposed by the present invention, including:Cable core, lapping layer, fiberglass braided layer, every
Absciss layer, oversheath;
Cable core includes multiple conducting wires, and each wire includes the insulating layer for being located at the conductor at middle part and being coated on outside conductor,
Conductor is twisted using stranded copper wire, and the cable with circular cross-section is formed filled with flame resistant filler material between multiple conducting wires
Core;
Lapping layer is coated on outside cable core, and fiberglass braided layer is coated on outside lapping layer, and separation layer is coated on glass
Outside fiber braiding layer, oversheath is coated on outside separation layer, and oversheath is made of fire proofing.
Preferably, insulating layer is made of XLPE insulating materials.
Preferably, lapping layer is formed using inhibiting tape is wrapped.
Preferably, cable core includes 2-5 root conducting wires.
Preferably, multiple conducting wires sectional area is equal.
Preferably, multiple conducting wires are twisted to form cable core.
Preferably, it is equipped with channelizing line in separation layer.
In the present invention, the isolated form low pressure flame retardant cable that is proposed, cable core includes conducting wire, and the conductor of conducting wire uses multiply copper
Silk is twisted, and insulating layer is coated on outside conductor, and being formed between multiple conducting wires filled with flame resistant filler material has circle
The cable core in section, lapping layer are coated on outside cable core, and fiberglass braided layer is coated on outside lapping layer, separation layer is coated on glass
Outside glass fiber braiding layer, oversheath is coated on outside separation layer.By the isolated form low pressure flame retardant cable of above-mentioned optimization design,
It is reasonable in design, by coating fiberglass braided layer, separation layer, fire retardant jacket successively outside cable core, ensure cable
While conducting power, the fire resistance of cable is effectively improved, greatly improves security.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of isolated form low pressure flame retardant cable proposed by the present invention.
Embodiment
As shown in Figure 1, Fig. 1 is a kind of structure diagram of isolated form low pressure flame retardant cable proposed by the present invention.
Reference Fig. 1, a kind of isolated form low pressure flame retardant cable proposed by the present invention, including:Cable core, lapping layer 3, glass fibre
Braiding layer 4, separation layer 5, oversheath 6;
Cable core includes multiple conducting wires, and each wire includes the insulation for being located at the conductor 11 at middle part and being coated on outside conductor 11
Layer 12, conductor 11 are twisted using stranded copper wire, and being formed between multiple conducting wires filled with flame resistant filler material 3 has circular cut
The cable core in face;
Lapping layer 3 is coated on outside cable core, and fiberglass braided layer 4 is coated on outside lapping layer 3, and separation layer 5 is coated on
Outside fiberglass braided layer 4, oversheath 6 is coated on outside separation layer 5, and oversheath 6 is made of fire proofing.
In the present embodiment, the isolated form low pressure flame retardant cable proposed, cable core include conducting wire, and the conductor of conducting wire is using more
Stock copper wire is twisted, and insulating layer is coated on outside conductor, and being formed between multiple conducting wires filled with flame resistant filler material has
The cable core of circular cross-section, lapping layer are coated on outside cable core, and fiberglass braided layer is coated on outside lapping layer, separation layer cladding
Outside fiberglass braided layer, oversheath is coated on outside separation layer.It is fire-retardant by the isolated form low pressure of above-mentioned optimization design
Cable, it is reasonable in design, by coating fiberglass braided layer, separation layer, fire retardant jacket successively outside cable core, ensure electricity
While the conducting power of cable, the fire resistance of cable is effectively improved, greatly improves security.
In order to improve fire resistance, in the specific design method of insulating layer, insulating layer 12 is made of XLPE insulating materials;
In the specific design method of lapping layer, lapping layer 3 is formed using inhibiting tape is wrapped.
In the embodiment of cable core, cable core includes 2-5 root conducting wires;Further, multiple conducting wires sectional area is equal,
Ensure the stability in cable core;In further embodiment, multiple conducting wires are twisted to form cable core, and it is steady to improve cable core
While qualitative, ensure pliability.
In order to improve cabling power transmission security, is equipped with channelizing line 7 in separation layer 5, easy to by induced current from cable
Interior export.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
- A kind of 1. isolated form low pressure flame retardant cable, it is characterised in that including:Cable core, lapping layer (3), fiberglass braided layer (4), separation layer (5), oversheath (6);Cable core includes multiple conducting wires, and each wire includes being located at the conductor (11) at middle part and is coated on the exterior insulation of conductor (11) Layer (12), conductor (11) are twisted using stranded copper wire, and being formed between multiple conducting wires filled with flame resistant filler material (3) has The cable core of circular cross-section;Lapping layer (3) is coated on outside cable core, and fiberglass braided layer (4) is coated on lapping layer (3) outside, separation layer (5) bag It is exterior to overlay on fiberglass braided layer (4), oversheath (6) is coated on separation layer (5) outside, and oversheath (6) uses fire proofing It is made.
- 2. isolated form low pressure flame retardant cable according to claim 1, it is characterised in that insulating layer (12) is insulated using XLPE Material is made.
- 3. isolated form low pressure flame retardant cable according to claim 1, it is characterised in that lapping layer (3) using inhibiting tape around Bag forms.
- 4. isolated form low pressure flame retardant cable according to claim 1, it is characterised in that cable core includes 2-5 root conducting wires.
- 5. the isolated form low pressure flame retardant cable according to claim 1 or 4, it is characterised in that multiple conducting wires sectional area is equal.
- 6. isolated form low pressure flame retardant cable according to claim 5, it is characterised in that multiple conducting wires are twisted to form cable core.
- 7. isolated form low pressure flame retardant cable according to claim 1, it is characterised in that be equipped with channelizing line in separation layer (5) (7)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711201374.XA CN107945953A (en) | 2017-11-27 | 2017-11-27 | A kind of isolated form low pressure flame retardant cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711201374.XA CN107945953A (en) | 2017-11-27 | 2017-11-27 | A kind of isolated form low pressure flame retardant cable |
Publications (1)
Publication Number | Publication Date |
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CN107945953A true CN107945953A (en) | 2018-04-20 |
Family
ID=61948922
Family Applications (1)
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CN201711201374.XA Pending CN107945953A (en) | 2017-11-27 | 2017-11-27 | A kind of isolated form low pressure flame retardant cable |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005063693A (en) * | 2003-08-14 | 2005-03-10 | Shin Etsu Chem Co Ltd | Treatment agent composition for glass fiber braided electrical wire |
CN201177994Y (en) * | 2008-04-09 | 2009-01-07 | 扬州华城电缆有限公司 | Cable for computer |
CN204257232U (en) * | 2014-11-26 | 2015-04-08 | 安徽新华电缆(集团)有限公司 | A kind of environmental protection flame retardant fireproof control cable |
CN104575807A (en) * | 2014-12-12 | 2015-04-29 | 长兴优联马科技有限公司 | High-fire-resistant power cable |
CN206401082U (en) * | 2017-01-22 | 2017-08-11 | 安徽猎塔电缆集团有限公司 | A kind of mildew resistant moistureproof power cable |
-
2017
- 2017-11-27 CN CN201711201374.XA patent/CN107945953A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005063693A (en) * | 2003-08-14 | 2005-03-10 | Shin Etsu Chem Co Ltd | Treatment agent composition for glass fiber braided electrical wire |
CN201177994Y (en) * | 2008-04-09 | 2009-01-07 | 扬州华城电缆有限公司 | Cable for computer |
CN204257232U (en) * | 2014-11-26 | 2015-04-08 | 安徽新华电缆(集团)有限公司 | A kind of environmental protection flame retardant fireproof control cable |
CN104575807A (en) * | 2014-12-12 | 2015-04-29 | 长兴优联马科技有限公司 | High-fire-resistant power cable |
CN206401082U (en) * | 2017-01-22 | 2017-08-11 | 安徽猎塔电缆集团有限公司 | A kind of mildew resistant moistureproof power cable |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |