CN203826089U - Fire-resisting computer cable - Google Patents
Fire-resisting computer cable Download PDFInfo
- Publication number
- CN203826089U CN203826089U CN201420090883.5U CN201420090883U CN203826089U CN 203826089 U CN203826089 U CN 203826089U CN 201420090883 U CN201420090883 U CN 201420090883U CN 203826089 U CN203826089 U CN 203826089U
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- CN
- China
- Prior art keywords
- fire
- flame retardant
- retardant coating
- insulation core
- outer conductor
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Abstract
The utility model discloses a fire-resisting computer cable, which comprises a central conductor. The central conductor comprises at least two central insulated wire core groups, a first fire-resisting layer coating the central insulated wire core groups, and first flame retardant material filled between the central insulated wire core groups and the first fire-resisting layer. Outer conductors are uniformly and sequentially distributed outside the first fire-resisting layer. The outer conductors are sequentially coated with a third fire-resisting layer, a fiber rope braiding layer and an outer sheath layer. Gaps between the outer conductors and the first fire-resisting layer and the third fire-resisting layer are filled with third flame retardant material. The outer conductors are placed in parallel and longitudinal mode in the third flame retardant material. Two ends of the short axis of each outer conductor are respectively close to the first fire-resisting layer and the third fire-resisting layer. The fire-resisting and high temperature-resisting performance of the computer cable is greatly improved, insulation aging risks of the computer cable are reduced, and the time when the computer cable is energized normally for use in the case of fire can be prolonged to the greatest extent possible.
Description
Technical field
The utility model relates to technical field of electric wires and cables, relates in particular to a kind of fire safe type computer cable.
Background technology
Along with the development of China's economy, the civilian and industrial plants such as heavy construction, undergrond street, large-scale power station and modernization industrial and mineral class enterprise also grow with each passing day to the demand of the computer cable of fire safe type.Tradition fire safe type computer cable adopts directly coated refractory material of conductor, when running into naked light and be heated for a long time, refractory material can shrink and come off, not only pollute the environment and also can damage production work personnel health, and the design of traditional fireproof computer cable cannot allow cable possess high fire-resistant, high heat-resisting performance.
Publication number is that the invention of CN102820091A discloses a kind of fireproof computer cable on December 12nd, 2012, at core peripheral hardware, put the total lapping layer of polyester band, polypropylene is set between the core in the total lapping layer of polyester band and fills material, at the total lapping layer of polyester band, set gradually copper outward and mould compound total screen, the fire-retardant belting layer of oxygen barrier and rat-and-ant proof low smoke zero halogen external sheath layer, and mould between compound total screen, along described cable length direction, copper free wire drainage thread is set at the total lapping layer of polyester band and copper.The present invention has good rat-and-ant proof, shielding, and fire resistance is good, and when burning smog very few, non-corrosiveness gas is overflowed.But this fireproof computer cable has, overcoat fire-resistant, heat-proof quality is less, and fire and heat endurance performance is limited.When computer cable is met naked light like this, flame retardant coating can not maintain cable work maximum time, can not be of a specified duration as far as possible provide the valuable time when the fire fighting escape for people.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of fire safe type computer cable, greatly improve the fireproof high-temperature resistant performance of computer cable, reduce the risk of computer cable ageing of insulation, extend as far as possible to greatest extent computer cable and meeting the time that under condition of a fire condition, normal power-up is used.
A kind of fire safe type computer cable the utility model proposes, comprise center conductor, the cross section of center conductor is circular, center conductor by least two central insulation core groups, be coated on the first flame retardant coating outside central insulation core group and be filled in central insulation core group and the first flame retardant coating between the first fire proofing form, central insulation core group consists of at least two central insulation core pair twists, and central insulation core group is circular layout in the first fire proofing, at the first flame retardant coating outer conductor of evenly arranging successively outward, the cross section of outer conductor is oval, outer conductor is by the external insulation core of at least two pair twists, be coated on the second flame retardant coating outside external insulation core, and the second fire proofing being filled between external insulation core and the second flame retardant coating forms, at outer conductor, be coated successively the 3rd flame retardant coating outward, cordage braid and external sheath layer, wherein cordage braid floods flame retardant coating, at outer conductor and the first flame retardant coating, gap-fill the 3rd fire proofing between the 3rd flame retardant coating, parallel vertical being placed in the 3rd fire proofing of outer conductor, and the two ends of outer conductor minor axis are respectively near the first flame retardant coating and the 3rd flame retardant coating.
Preferably, the first flame retardant coating, the second flame retardant coating, the 3rd flame retardant coating are made by ceramic rubber.
Preferably, the first fire proofing, the second fire proofing, the 3rd fire proofing are fireproof glass silk gasket for packing.
Preferably, external insulation core by outer conductor and the fireproof mica belt, the tincopper fuse wire braided armor that are coated on successively outside outer conductor form, central insulation core by center conductor and the fireproof mica belt, the tincopper fuse wire braided armor that are coated on successively outside center conductor form.Avoided, between central insulation core and external insulation core, screen is not set and caused interference to each other.
Preferably, the ceramic rubber mass that the first flame retardant coating, the second flame retardant coating, the 3rd flame retardant coating adopt, comprise following weight portion composition: polyvinyl chloride-based body rubber: 90～110 parts, silicon dioxide: 30～70 parts, lubricating oil: 10～30 parts, heavy metal complex: 0.1～10 part, coupling agent: 3～10 parts, fire retardant: 10～20 parts, Vitrified powder: 50～60 parts, vulcanizing agent: 1～5 part.Above-mentioned material is mixing in kneader, through vacuumizing, add kneader, mixing even, form bulk ceramic rubber, cooling, add vulcanizing agent and open refining, obtain fire-retardant ceramic rubber.The ceramic rubber that above-mentioned material is made is good flame retardation effect not only, once meet fire with regard to ablated one-tenth ceramic package, extends as far as possible to greatest extent conductor and is meeting the time that under condition of a fire condition, normal power-up is used.Owing to being added with heavy metal complex, can make the sintering temperature of fire-retardant ceramic rubber reduce, and can improve preparation feedback speed, improved production efficiency, reduced production cost.
Preferably, the ceramic rubber mass that the first flame retardant coating, the second flame retardant coating, the 3rd flame retardant coating adopt, comprise following weight portion composition: polyvinyl chloride-based body rubber: 95～100 parts, silicon dioxide: 40～60 parts, lubricating oil: 15～25 parts, heavy metal complex: 3～5 parts, coupling agent: 4～6 parts, fire retardant: 13～17 parts, Vitrified powder: 52～56 parts, vulcanizing agent: 2～3 parts.
The utility model improves the fireproof high-temperature resistant performance of computer cable greatly, reduces the risk of computer cable ageing of insulation, by multiple layer refractory layer is set, extends as far as possible to greatest extent computer cable and is meeting the time that under condition of a fire condition, normal power-up is used.The utility model the 3rd flame retardant coating, the second flame retardant coating have extended outer conductor normal service time, and outer conductor is evenly arranged outward successively at the first flame retardant coating, avoids outer conductor to lose efficacy simultaneously.When outer conductor lost efficacy, the normal service time of the utility model the first flame retardant coating elongation center conductor, center conductor is circular layout in the first flame retardant coating, avoids center conductor to lose efficacy simultaneously, of a specified duration as far as possible provides the valuable time when the fire fighting escape for people.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of fire safe type computer cable that the utility model proposes.
Fig. 2 is the center conductor cross section structure schematic diagram of a kind of fire safe type computer cable that the utility model proposes.
Fig. 3 is the outer conductor cross section structure schematic diagram of a kind of fire safe type computer cable that the utility model proposes.
Embodiment
As shown in Figures 1 to 3, Fig. 1 is the cross section structure schematic diagram of a kind of fire safe type computer cable that the utility model proposes; Fig. 2 is the center conductor cross section structure schematic diagram of a kind of fire safe type computer cable that the utility model proposes; Fig. 3 is the outer conductor cross section structure schematic diagram of a kind of fire safe type computer cable that the utility model proposes.
With reference to Fig. 1～3, a kind of fire safe type computer cable the utility model proposes, comprise center conductor 1, the cross section of center conductor 1 is circular, center conductor 1 by four central insulation core groups, be coated on the first flame retardant coating 12 outside central insulation core group and be filled in central insulation core group and the first flame retardant coating 12 between the first fire proofing 13 form, central insulation core group consists of two central insulation core 11 pair twists, and central insulation core group is circular layout in the first fire proofing 13, the outer conductor 2 of evenly arranging successively outside the first flame retardant coating 12, the cross section of outer conductor 2 is oval, outer conductor 2 is by the external insulation core 21 of two pair twists, be coated on the second flame retardant coating 22 outside external insulation core 21, and the second fire proofing 23 being filled between external insulation core 21 and the second flame retardant coating 22 forms, outside outer conductor 2, be coated successively the 3rd flame retardant coating 3, cordage braid 4 and external sheath layer 5, wherein cordage braid 4 floods flame retardant coatings, at outer conductor 2 and the first flame retardant coating 12, gap-fill the 3rd fire proofing 6 between the 3rd flame retardant coating 3, parallel vertical being placed in the 3rd fire proofing 6 of outer conductor 2, and the two ends of outer conductor 2 minor axises are respectively near the first flame retardant coating 12 and the 3rd flame retardant coating 3.
Wherein, the first flame retardant coating 12, the second flame retardant coating 22, the 3rd flame retardant coating 3 are made by ceramic rubber.The first fire proofing 13, the second fire proofing 23, the 3rd fire proofing 6 are fireproof glass silk gasket for packing.External insulation core 21 consists of outer conductor 211 and the fireproof mica belt 212, the tincopper fuse wire braided armor 213 that are coated on successively outside outer conductor 211, and central insulation core 11 consists of center conductor 111 and the fireproof mica belt 112, the tincopper fuse wire braided armor 113 that are coated on successively outside center conductor 111.Avoided, between central insulation core and external insulation core, screen is not set and caused interference to each other.
Wherein, the ceramic rubber mass that the first flame retardant coating 12, the second flame retardant coating 22, the 3rd flame retardant coating 3 adopt, comprise following weight portion composition: polyvinyl chloride-based body rubber: 90～110 parts, silicon dioxide: 30～70 parts, lubricating oil: 10～30 parts, heavy metal complex: 0.1～10 part, coupling agent: 3～10 parts, fire retardant: 10～20 parts, Vitrified powder: 50～60 parts, vulcanizing agent: 1～5 part.Above-mentioned material is mixing in kneader, through vacuumizing, add kneader, mixing even, form bulk ceramic rubber, cooling, add vulcanizing agent and open refining, obtain fire-retardant ceramic rubber.The ceramic rubber that above-mentioned material is made is good flame retardation effect not only, once meet fire with regard to ablated one-tenth ceramic package, extends as far as possible to greatest extent conductor and is meeting the time that under condition of a fire condition, normal power-up is used.Owing to being added with heavy metal complex, can make the sintering temperature of fire-retardant ceramic rubber reduce, and can improve preparation feedback speed, improved production efficiency, reduced production cost.
In specific embodiment, the ceramic rubber mass that the first flame retardant coating 12, the second flame retardant coating 22, the 3rd flame retardant coating 3 adopt, comprise following weight portion composition: polyvinyl chloride-based body rubber: 96 parts, silicon dioxide: 50 parts, lubricating oil: 20 parts, heavy metal complex: 4 parts, coupling agent: 5 parts, fire retardant: 15 parts, Vitrified powder: 55 parts, vulcanizing agent: 2.5 parts.
The utility model improves the fireproof high-temperature resistant performance of computer cable greatly, reduces the risk of computer cable ageing of insulation, by multiple layer refractory layer is set, extends as far as possible to greatest extent computer cable and is meeting the time that under condition of a fire condition, normal power-up is used.The utility model the 3rd flame retardant coating 3, the second flame retardant coating 22 have extended outer conductor 2 normal service time, and outer conductor 2 is evenly arranged successively outside the first flame retardant coating 12, avoids outer conductor 2 to lose efficacy simultaneously.When outer conductor 2 lost efficacy, the normal service time of the utility model first flame retardant coating 12 elongation center's conductors 1, center conductor 1 is circular layout in the first flame retardant coating 12, avoids center conductor 1 to lose efficacy simultaneously, of a specified duration as far as possible provides the valuable time when the fire fighting escape for people.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. a fire safe type computer cable, it is characterized in that, comprise center conductor (1), the cross section of center conductor (1) is circular, center conductor (1) by least two central insulation core groups, be coated on the first flame retardant coating (12) outside central insulation core group and be filled in central insulation core group and the first flame retardant coating (12) between the first fire proofing (13) form, central insulation core group consists of at least two central insulation cores (11) pair twist, and central insulation core group is circular layout in the first fire proofing (13), the outer conductor (2) of evenly arranging successively outside the first flame retardant coating (12), the cross section of outer conductor (2) is oval, outer conductor (2) is by the external insulation core (21) of at least two pair twists, be coated on outer the second flame retardant coating (22) of external insulation core (21), and the second fire proofing (23) being filled between external insulation core (21) and the second flame retardant coating (22) forms, outside outer conductor (2), be coated successively the 3rd flame retardant coating (3), cordage braid (4) and external sheath layer (5), wherein cordage braid floods flame retardant coating, at outer conductor (2) and the first flame retardant coating (12), gap-fill the 3rd fire proofing (6) between the 3rd flame retardant coating (3), parallel vertical being placed in the 3rd fire proofing (6) of outer conductor (2), and the two ends of outer conductor (2) minor axis are respectively near the first flame retardant coating (12) and the 3rd flame retardant coating (3).
2. fire safe type computer cable according to claim 1, is characterized in that, the first flame retardant coating (12), the second flame retardant coating (22), the 3rd flame retardant coating (3) are made by ceramic rubber.
3. fire safe type computer cable according to claim 1, is characterized in that, the first fire proofing (13), the second fire proofing (23), the 3rd fire proofing (6) are fireproof glass silk gasket for packing.
4. fire safe type computer cable according to claim 1, it is characterized in that, external insulation core (21) is by outer conductor (211) and be coated on successively the outer fireproof mica belt (212) of outer conductor (211), tincopper fuse wire braided armor (213) forms, and central insulation core (11) is by center conductor (111) and be coated on successively the outer fireproof mica belt (112) of center conductor (111), tincopper fuse wire braided armor (113) forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090883.5U CN203826089U (en) | 2014-03-01 | 2014-03-01 | Fire-resisting computer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090883.5U CN203826089U (en) | 2014-03-01 | 2014-03-01 | Fire-resisting computer cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826089U true CN203826089U (en) | 2014-09-10 |
Family
ID=51481563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420090883.5U Withdrawn - After Issue CN203826089U (en) | 2014-03-01 | 2014-03-01 | Fire-resisting computer cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903758A (en) * | 2014-03-01 | 2014-07-02 | 安徽海容电缆有限公司 | Fireproof computer cable |
| CN107887064A (en) * | 2017-10-19 | 2018-04-06 | 芜湖缆胜电缆新材料有限公司 | A kind of anti-twist communication cable |
| CN111009351A (en) * | 2019-12-26 | 2020-04-14 | 安徽国电电缆股份有限公司 | Anti-deformation communication cable |
-
2014
- 2014-03-01 CN CN201420090883.5U patent/CN203826089U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903758A (en) * | 2014-03-01 | 2014-07-02 | 安徽海容电缆有限公司 | Fireproof computer cable |
| CN107887064A (en) * | 2017-10-19 | 2018-04-06 | 芜湖缆胜电缆新材料有限公司 | A kind of anti-twist communication cable |
| CN111009351A (en) * | 2019-12-26 | 2020-04-14 | 安徽国电电缆股份有限公司 | Anti-deformation communication cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |