CN204463911U - A kind of fire resistant Multifunctional cable - Google Patents
A kind of fire resistant Multifunctional cable Download PDFInfo
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- CN204463911U CN204463911U CN201520038195.9U CN201520038195U CN204463911U CN 204463911 U CN204463911 U CN 204463911U CN 201520038195 U CN201520038195 U CN 201520038195U CN 204463911 U CN204463911 U CN 204463911U
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Abstract
The utility model discloses a kind of fire resistant Multifunctional cable, cable core comprises two wire groups and a signal group, each wire group is formed by three wire strandings, three wire outsides are coated with the first lapping layer, signal group forms by three holding wires are stranded, three holding wire outsides are coated with the second lapping layer, two wire groups are parallel longitudinal with a signal line group, elastic hose is provided with between wire group and signal group, 3rd lapping layer, restrictive coating, thermal insulation layer and armour are coated on cable core outside successively, and wherein armour adopts steel band to indulge bag and form.The fire resistant Multifunctional cable that the utility model proposes, on the one hand, cable core inside forms thermal conducting path, make cable core interior environment temperature balanced, on the other hand, thermal insulation layer and armour are established in cable core outside, are hedged off from the outer world cable core inside, when hot environment and breaking out of fire, cable core still can normally work.
Description
Technical field
The utility model relates to field, particularly relates to a kind of fire resistant Multifunctional cable.
Background technology
Common multifunctional cable adopts the material such as conventional polyvinyl chloride, cross-linked polyolefin as insulation and sheath material, and these materials can be aging rapidly until cable breaks down in cable overload or high temperature occasion etc.In the art, the basic ideas strengthening Multifunctional cable resistance to elevated temperatures are select the material with very high thermal resistivity as thermal insulation layer, and increase insulation thickness, play temperature insulating by the thermal resistance mode improving thermal insulation layer.Such structure can play the effect stopping cable environment for use high temperature, but the heat also blocking cable transmission electric energy and produce, and finally causes cable premature aging or affects the current capacity of cable.In addition, during electric power transfer, the electromagnetic induction produced because of the imbalance in magnetic field, cable place can cause magnetic hysteresis loss, makes electric cable heating, reduces useful life equally.Therefore, how to produce the Multifunctional cable of a kind of resistance to elevated temperatures excellence, Stability Analysis of Structures, advantages of good shielding performance, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Utility model content
For solving the technical problem existed in background technology, the utility model proposes a kind of fire resistant Multifunctional cable, high temperature resistant, fire prevention, can realize the comprehensive transmission of electric power and signal.
A kind of fire resistant Multifunctional cable that the utility model proposes, comprising: cable core, the 3rd lapping layer, restrictive coating, thermal insulation layer and armour;
Cable core comprises two wire groups and a signal group, each wire group is formed by three wire strandings, three wire outsides are coated with the first lapping layer, every root wire comprises the conductor being positioned at middle part and the first insulating barrier being coated on conductor outside, signal group forms by three holding wires are stranded, three holding wire outsides are coated with the second lapping layer, every root holding wire comprises the signal body being positioned at middle part and the second insulating barrier being coated on signal external body, two wire groups are parallel longitudinal with a signal line group, elastic hose is provided with between wire group and signal group, elastic hose is made up of Heat Conduction Material, its tube wall is provided with thermal vias,
3rd lapping layer is coated on cable core outside, and it is outside that restrictive coating is coated on the 3rd lapping layer, and thermal insulation layer is coated on restrictive coating outside, and armour is coated on thermal insulation layer outside, and armour adopts steel band to indulge bag and forms.
Preferably, the first lapping layer employing metallo-plastic composite band is wrapped forms.
Preferably, be provided with three elastic hoses in cable core, two elastic hoses lay respectively at away from another wire group side between a wire group and signal group, another elastic hose between two wire groups away from signal group side.
Preferably, wire and holding wire in cable core circumferentially.
In the utility model, the fire resistant Multifunctional cable proposed, cable core comprises two wire groups and a signal group, each wire group is formed by three wire strandings, three wire outsides are coated with the first lapping layer, signal group forms by three holding wires are stranded, three holding wire outsides are coated with the second lapping layer, two wire groups are parallel longitudinal with a signal line group, elastic hose is provided with between wire group and signal group, 3rd lapping layer is coated on cable core outside, it is outside that restrictive coating is coated on the 3rd lapping layer, thermal insulation layer is coated on restrictive coating outside, armour is coated on thermal insulation layer outside, armour adopts steel band to indulge bag and forms.By the fire resistant Multifunctional cable of above-mentioned optimal design, on the one hand, cable core inside forms thermal conducting path, the heat produced during core work is discharged from elastic hose, makes cable core interior environment temperature balanced, on the other hand, thermal insulation layer and armour are established in cable core outside, be hedged off from the outer world cable core inside, when hot environment and breaking out of fire, cable core still can normally work.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of fire resistant Multifunctional cable that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of fire resistant Multifunctional cable that the utility model proposes.
With reference to Fig. 1, a kind of fire resistant Multifunctional cable that the utility model proposes, comprising: cable core, the 3rd lapping layer 3, restrictive coating 4, thermal insulation layer 5 and armour 6;
Cable core comprises two wire groups, a signal group and three elastic hoses 7, each wire group forms by three wires 21 are stranded, three wire 21 outsides are coated with the second lapping layer 22, every root wire 21 comprises the conductor 211 being positioned at middle part and the second insulating barrier 212 being coated on conductor 211 outside, signal group forms by three holding wires 11 are stranded, three holding wire 11 outsides are coated with the first lapping layer 12, first lapping layer 12 adopts that metallo-plastic composite band is wrapped to be formed, every root holding wire 11 comprises the signal body 111 being positioned at middle part and the first insulating barrier 112 being coated on signal body 111 outside, two wire groups are parallel longitudinal with a signal line group, elastic hose 7 is made up of Heat Conduction Material, its tube wall is provided with thermal vias, wire 21 and holding wire 11 in cable core circumferentially, two elastic hoses 7 lay respectively between a wire group and signal group away from another wire group side, another elastic hose 7 between two wire groups away from signal group side, be provided with wire and holding wire in cable core, realize the duplicate transmissions of electric power and signal,
3rd lapping layer 3 is coated on cable core outside, and it is outside that restrictive coating 4 is coated on the 3rd lapping layer 3, and it is outside that thermal insulation layer 5 is coated on restrictive coating 4, and it is outside that armour 6 is coated on thermal insulation layer 5, and armour 6 adopts steel band to indulge bag and forms.
In the present embodiment, the fire resistant Multifunctional cable proposed, cable core comprises two wire groups and a signal group, each wire group is formed by three wire strandings, three wire outsides are coated with the first lapping layer, signal group forms by three holding wires are stranded, three holding wire outsides are coated with the second lapping layer, two wire groups are parallel longitudinal with a signal line group, elastic hose is provided with between wire group and signal group, 3rd lapping layer is coated on cable core outside, it is outside that restrictive coating is coated on the 3rd lapping layer, thermal insulation layer is coated on restrictive coating outside, armour is coated on thermal insulation layer outside, armour adopts steel band to indulge bag and forms.By the fire resistant Multifunctional cable of above-mentioned optimal design, on the one hand, cable core inside forms thermal conducting path, make cable core interior environment temperature balanced, on the other hand, thermal insulation layer and armour are established in cable core outside, are hedged off from the outer world cable core inside, when hot environment and breaking out of fire, cable core still can normally work.
In a specific embodiment, in cable core, two elastic hoses 7 lay respectively between a wire group and signal group away from another wire group side, another elastic hose 7 between two wire groups away from signal group side, ensure cable operationally in cable core heat can enter elastic hose 7 by louvre and dispel the heat.
The armour that steel band indulges bag on the one hand can protect inner cable core when fire occurs, cable can be prevented on the other hand to be subject to mouse ant and sting and bite.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (4)
1. a fire resistant Multifunctional cable, is characterized in that, comprising: cable core, the 3rd lapping layer (3), restrictive coating (4), thermal insulation layer (5) and armour (6);
Cable core comprises two wire groups and a signal group, each wire group forms by three wires (21) are stranded, three wire (21) outsides are coated with the first lapping layer (22), every root wire (21) comprises the conductor (211) being positioned at middle part and the first insulating barrier (212) being coated on conductor (211) outside, signal group forms by three holding wires (11) are stranded, three holding wire (11) outsides are coated with the second lapping layer (12), every root holding wire (11) comprises the signal body (111) being positioned at middle part and the second insulating barrier (112) being coated on signal body (111) outside, two wire groups are parallel longitudinal with a signal line group, elastic hose (7) is provided with between wire group and signal group, elastic hose (7) is made up of Heat Conduction Material, its tube wall is provided with thermal vias,
3rd lapping layer (3) is coated on cable core outside, it is outside that restrictive coating (4) is coated on the 3rd lapping layer (3), it is outside that thermal insulation layer (5) is coated on restrictive coating (4), it is outside that armour (6) is coated on thermal insulation layer (5), and armour (6) adopts steel band to indulge bag and forms.
2. fire resistant Multifunctional cable according to claim 1, is characterized in that, the first lapping layer (12) employing metallo-plastic composite band is wrapped to be formed.
3. fire resistant Multifunctional cable according to claim 1, it is characterized in that, three elastic hoses (7) are provided with in cable core, two elastic hoses (7) lay respectively at away from another wire group side between a wire group and signal group, another elastic hose (7) between two wire groups away from signal group side.
4. fire resistant Multifunctional cable according to claim 1, is characterized in that, wire (21) and holding wire (11) in cable core circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038195.9U CN204463911U (en) | 2015-01-20 | 2015-01-20 | A kind of fire resistant Multifunctional cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038195.9U CN204463911U (en) | 2015-01-20 | 2015-01-20 | A kind of fire resistant Multifunctional cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204463911U true CN204463911U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520038195.9U Expired - Fee Related CN204463911U (en) | 2015-01-20 | 2015-01-20 | A kind of fire resistant Multifunctional cable |
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| Country | Link |
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| CN (1) | CN204463911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599773A (en) * | 2015-01-20 | 2015-05-06 | 安徽德源电缆集团有限公司 | High temperature resistance and fire prevention multifunctional cable |
-
2015
- 2015-01-20 CN CN201520038195.9U patent/CN204463911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599773A (en) * | 2015-01-20 | 2015-05-06 | 安徽德源电缆集团有限公司 | High temperature resistance and fire prevention multifunctional cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160120 |
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| EXPY | Termination of patent right or utility model |