CN204045257U - A kind of environmental protection fire-resisting cable - Google Patents

A kind of environmental protection fire-resisting cable Download PDF

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Publication number
CN204045257U
CN204045257U CN201420495023.XU CN201420495023U CN204045257U CN 204045257 U CN204045257 U CN 204045257U CN 201420495023 U CN201420495023 U CN 201420495023U CN 204045257 U CN204045257 U CN 204045257U
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China
Prior art keywords
environmental protection
flame retardant
cable
fire
layer
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CN201420495023.XU
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Chinese (zh)
Inventor
董吟梅
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NANYANG HUAYI ELECTRIC POWER EQUIPMENT Co Ltd
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NANYANG HUAYI ELECTRIC POWER EQUIPMENT Co Ltd
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Abstract

The utility model discloses a kind of environmental protection fire-resisting cable, relate to technical field of electric wires and cables.The outside of the copper conductor of the environmental protection fire-resisting cable that the utility model provides is coated with calcining mica layer as insulating body, the content of its fluorine, chlorine, bromine, iodine is all in environmental protection Eligibility requirements, fill gaps flame retardant type filler between copper conductor, many inorganic anti-flaming material ropes are equipped with in flame retardant type filler, cable inner core outside is also provided with low smoke, zero halogen insulating barrier, high-environmental requirement can be reached, be applicable to the fire-resistant place that environmental requirement is high, structure be simple, cost is low, lightweight and technique is simple.Between outer protective sleeve and cable inner core, be provided with protective wire sandwich layer, can improve the overall wear resistance of cable, protective wire sandwich layer is also coated with glass fiber flame retardant belt outward, further increases fire resistance and the environmental protection grade of cable.

Description

A kind of environmental protection fire-resisting cable
Technical field
The utility model relates to technical field of electric wires and cables, particularly relates to a kind of environmental protection fire-resisting cable.
Background technology
Fire-resisting cable refers to the cable that can keep certain hour safe operation in flame combustion situation.In China, common fire-resisting cable is divided into category-A and category-B: category-B cable can withstand combustion at least 90min in the flame of 750 DEG C ~ 800 DEG C and under rated voltage, and cable not breakdown (namely 3A fuse does not fuse).The basis of improving the methods such as flame retardant coating manufacturing process and increase flame retardant coating have developed again category-A fire-resisting cable, it can withstand combustion at least 90min in the flame of 950 DEG C ~ 1000 DEG C and under rated voltage, and cable not breakdown (namely 3A fuse does not fuse).The fire resistance of category-A fire-resisting cable is better than category-B.But common fire-resisting cable can only solve fire-resistant problem, for environmental issue, only do not reach high-environmental requirement by insulating barrier and sheath.
In addition, mineral insulated cable is that in fire-resisting cable, performance is preferably a kind of, and it is formed by copper core, copper sheath, magnesium oxide insulated materials processing, is called for short MI (minerl insulated cables) cable.This cable forms flame retardant coating by inorganic matter completely, and the flame retardant coating of common fire-resisting cable is composited by inorganic matter and general organic substance, and therefore the more common fire-resisting cable of the fire resistance of MI cable is more excellent and can not decompose generation corrosive gas because of burning.MI cable there is good fire-resistance property and can long-term work under 250 DEG C of high temperature, simultaneously in addition explosion-proof, corrosion resistance is strong, ampacity is large, radiation hardness, mechanical strength are high, volume is little, lightweight, life-span long, smokeless feature.But price, complex process, difficulty of construction are large, only in oily irrigated area, important timber structure public building, the fire resistant requirements such as high temperature place is high and economy acceptable occasion just can adopt the cable that this fire resistance is good.
Utility model content
The purpose of this utility model is to propose that a kind of structure is simple, cost is low, lightweight, resistance to wear good, technique is simple and can reach the environmental protection fire-resisting cable of high-environmental requirement.
For reaching this object, the utility model by the following technical solutions:
A kind of environmental protection fire-resisting cable, comprise cable inner core and outer protective sleeve, described cable inner core comprises multiple copper conductor, and the outside of each copper conductor is all coated with the first calcining mica layer, the coated low smoke, zero halogen insulating barrier in outside of described first calcining mica layer;
Protective wire sandwich layer is provided with between described outer protective sleeve and described cable inner core, described protective wire sandwich layer comprises separator, fine copper belt and is arranged at the multiple protection cores between described separator and described fine copper belt, and described fine copper belt outside is coated with glass fiber flame retardant belt;
Be filled with flame retardant type filler between described separator and described cable inner core, in described flame retardant type filler, be equipped with many inorganic anti-flaming material ropes.
Preferably, the outside of described flame retardant type filler is surrounded with unorganic glass silk ribbon and forms unorganic glass ribbon layer, and described unorganic glass ribbon layer is between described flame retardant type filler and described separator.
Preferably, the second calcining mica layer is provided with between described unorganic glass ribbon layer and described separator.
Preferably, described glass fiber flame retardant belt outside is surrounded with low smoke, zero halogen band and forms low smoke, zero halogen belting layer.
Preferably, described outer protective sleeve is low smoke, zero halogen sheath.
Preferably, described multiple protection core is along the circumferential direction distributed on the periphery of described separator.
Preferably, described copper conductor is 3 to 8.
The beneficial effects of the utility model are:
The outside of the copper conductor of the environmental protection fire-resisting cable that the utility model provides is coated with calcining mica layer as insulating body, the content of its fluorine, chlorine, bromine, iodine is all in environmental protection Eligibility requirements, fill gaps flame retardant type filler between copper conductor, many inorganic anti-flaming material ropes are equipped with in flame retardant type filler, cable inner core outside is also provided with low smoke, zero halogen insulating barrier, high-environmental requirement can be reached, be applicable to the fire-resistant place that environmental requirement is high, structure be simple, cost is low, lightweight and technique is simple;
Between outer protective sleeve and cable inner core, be provided with protective wire sandwich layer, can improve the overall wear resistance of cable, protective wire sandwich layer is also coated with glass fiber flame retardant belt outward, further increases fire resistance and the environmental protection grade of cable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the environmental protection fire-resisting cable that the utility model embodiment one provides.
In figure, 1, cable inner core; 11, copper conductor; 12, the first calcining mica layer; 13, low smoke, zero halogen insulating barrier; 2, protective wire sandwich layer; 21, separator; 22, fine copper belt; 23, core is protected; 24, glass fiber flame retardant belt; 3, low smoke, zero halogen belting layer; 4, outer protective sleeve; 5, flame retardant type filler; 6, inorganic anti-flaming material rope; 7, unorganic glass ribbon layer; 8, the second calcining mica layer.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one:
Present embodiments provide a kind of environmental protection fire-resisting cable, as shown in Figure 1, this environmental protection fire-resisting cable comprises cable inner core 1, protective wire sandwich layer 2, low smoke, zero halogen belting layer 3 and outer protective sleeve 4 from inside to outside successively.
Wherein, cable inner core 1 comprises seven copper conductors 11, and the outside of each copper conductor 11 is all coated with one deck first and calcines mica layer 12, and the first calcining mica layer 12 is as insulating body, and the content of its fluorine, chlorine, bromine, iodine is by detecting all in environmental protection Eligibility requirements.The coated low smoke, zero halogen insulating barrier 13 in outside of the first calcining mica layer 12.
Protective wire sandwich layer 2 is arranged between low smoke, zero halogen belting layer 3 and cable inner core 1; they multiple protection cores 23 comprising the separator 21 of internal layer, outer field fine copper belt 22 and be arranged between separator 21 and fine copper belt 22; wherein, separator 21 adopts low-smoke bittern-free highly fire-proof cable material of polyolefin to extrude to form.Preferably, multiple protection core 23 is along the circumferential direction distributed on the periphery of separator 21.Glass fiber flame retardant belt 24 is coated with in fine copper belt 22 outside.Effectively can be improved the overall wear resistance of cable by the setting of protective wire sandwich layer 2, extend the useful life of cable, protect its inner conductor injury-free.
Between separator 21 and cable inner core 1, be filled with flame retardant type filler 5, in flame retardant type filler 5, be equipped with many inorganic anti-flaming material ropes 6.The fire resistance of cable greatly can be improved by the setting of flame retardant type filler 5 and inorganic anti-flaming material rope 6.
Low smoke, zero halogen belting layer 3 is paperwrapped in glass fiber flame retardant belt 24 outside by low smoke, zero halogen band and is formed.
As a kind of optimal way, outer protective sleeve 4 is low smoke, zero halogen sheath.
As a kind of optimal way, be surrounded with unorganic glass silk ribbon in the outside of flame retardant type filler 5, form unorganic glass ribbon layer 7, unorganic glass ribbon layer 7 is between flame retardant type filler 5 and separator 21.
As a kind of optimal way, be provided with the second calcining mica layer 8 between unorganic glass ribbon layer 7 and separator 21, the content of its fluorine, chlorine, bromine, iodine is by detecting all in environmental protection Eligibility requirements.
The quantity of copper conductor 11 is not limited to seven, and its preferable range is 3 to 8.
The outside of the copper conductor of the environmental protection fire-resisting cable that the present embodiment provides is coated with calcining mica layer as insulating body, the content of its fluorine, chlorine, bromine, iodine is all in environmental protection Eligibility requirements, fill gaps flame retardant type filler between copper conductor, many inorganic anti-flaming material ropes are equipped with in flame retardant type filler, cable inner core outside is also provided with low smoke, zero halogen insulating barrier, high-environmental requirement can be reached, be applicable to the fire-resistant place that environmental requirement is high, structure is simple, cost is low, lightweight and technique is simple.
Between outer protective sleeve and cable inner core, be provided with protective wire sandwich layer, can improve the overall wear resistance of cable, protective wire sandwich layer is also coated with glass fiber flame retardant belt outward, further increases fire resistance and the environmental protection grade of cable.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.

Claims (7)

1. an environmental protection fire-resisting cable, comprise cable inner core (1) and outer protective sleeve (4), it is characterized in that: described cable inner core (1) comprises multiple copper conductor (11), the outside of each copper conductor (11) is all coated with the first calcining mica layer (12), the coated low smoke, zero halogen insulating barrier (13) in outside of described first calcining mica layer (12);
Protective wire sandwich layer (2) is provided with between described outer protective sleeve (4) and described cable inner core (1), described protective wire sandwich layer (2) comprises separator (21), fine copper belt (22) and is arranged at the multiple protection cores (23) between described separator (21) and described fine copper belt (22), and described fine copper belt (22) outside is coated with glass fiber flame retardant belt (24);
Be filled with flame retardant type filler (5) between described separator (21) and described cable inner core (1), in described flame retardant type filler (5), be equipped with many inorganic anti-flaming material ropes (6).
2. a kind of environmental protection fire-resisting cable according to claim 1, it is characterized in that: the outside of described flame retardant type filler (5) is surrounded with unorganic glass silk ribbon and forms unorganic glass ribbon layer (7), and described unorganic glass ribbon layer (7) is positioned between described flame retardant type filler (5) and described separator (21).
3. a kind of environmental protection fire-resisting cable according to claim 2, is characterized in that: be provided with the second calcining mica layer (8) between described unorganic glass ribbon layer (7) and described separator (21).
4. a kind of environmental protection fire-resisting cable according to any one of claims 1 to 3, is characterized in that: described glass fiber flame retardant belt (24) outside is surrounded with low smoke, zero halogen band and forms low smoke, zero halogen belting layer (3).
5. a kind of environmental protection fire-resisting cable according to any one of claims 1 to 3, is characterized in that: described outer protective sleeve (4) is low smoke, zero halogen sheath.
6. a kind of environmental protection fire-resisting cable according to any one of claims 1 to 3, is characterized in that: described multiple protection core (23) is along the circumferential direction distributed on the periphery of described separator (21).
7. a kind of environmental protection fire-resisting cable according to any one of claims 1 to 3, is characterized in that: described copper conductor (11) is 3 to 8.
CN201420495023.XU 2014-08-29 2014-08-29 A kind of environmental protection fire-resisting cable Active CN204045257U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420495023.XU CN204045257U (en) 2014-08-29 2014-08-29 A kind of environmental protection fire-resisting cable

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Application Number Priority Date Filing Date Title
CN201420495023.XU CN204045257U (en) 2014-08-29 2014-08-29 A kind of environmental protection fire-resisting cable

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CN204045257U true CN204045257U (en) 2014-12-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105244100A (en) * 2015-10-28 2016-01-13 河南开启电力实业有限公司 Fire-resistant environmentally-friendly cable and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105244100A (en) * 2015-10-28 2016-01-13 河南开启电力实业有限公司 Fire-resistant environmentally-friendly cable and manufacturing method thereof

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Environmental protection fire resistant cable

Effective date of registration: 20181120

Granted publication date: 20141224

Pledgee: Bank of China Limited Nanyang High-tech Zone Branch

Pledgor: NANYANG HUAYI ELECTRIC POWER EQUIPMENT CO., LTD.

Registration number: 2018990001093