CN207895903U - A kind of fire-retardant fireproof cable - Google Patents
A kind of fire-retardant fireproof cable Download PDFInfo
- Publication number
- CN207895903U CN207895903U CN201820415044.4U CN201820415044U CN207895903U CN 207895903 U CN207895903 U CN 207895903U CN 201820415044 U CN201820415044 U CN 201820415044U CN 207895903 U CN207895903 U CN 207895903U
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- Prior art keywords
- layer
- cable core
- sheath
- fire
- filled
- Prior art date
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 41
- 230000000979 retarding effect Effects 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000004411 aluminium Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000009422 external insulation Methods 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004079 fireproofing Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
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- 238000002844 melting Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model is related to a kind of fire-retardant fireproof cable, including cable core and the cable core sheath that is coated on outside cable core, the cable core includes at least 2 insulated single wires and the second filled layer；The insulated single wire includes conductor and the conductor surrounding layer that is coated on the outside of conductor；The conductor surrounding layer includes at least one layer of first filled layer；The cable core sheath includes at least one layer of third filled layer；First filled layer, the second filled layer and third filled layer contain fire protection flame retarding filler.Cable has superior fireproof flame-retardant effect, and high mechanical strength, good bending property, and heatproof, shielding properties are strong, cable high safety and reliability.
Description
Technical field
The utility model is related to a kind of cable, more particularly to a kind of fire-retardant fireproof cable.
Background technology
Mainly there are cable short circuit, overload, poor contact and external burning things which may cause a fire disaster etc. in the reason of causing cable fire.Fire occurs
After calamity, on the one hand it cannot be guaranteed that the normal power supply of circuit, causes signal transmission, emergency lighting, automatic alarm system etc. can not be just
Often work brings certain difficulty to rescue evacuation work.On the other hand, since the sheath of electric wire and insulation are by each
Kind of polymer composition, heating melting can occur rapidly after fire occurs for these high group objects, decomposition, fuel gas ignite,
Burning and diffusion four-stage.High polymer generates a large amount of cigarette and toxic gas in burning, this not only causes the drop of visibility
It is low, evacuating personnel and fire attack are affected, and toxic gas directly threatens the life security of scene of a fire personnel, while to fire
Electronics, the electrical equipment at calamity scene etc. have corrosiveness, greatly reduce safety and the service life of equipment.And to existing
Have in technology for answering machine data transmission cable that it is necessary to have more preferable fire retardant effects, it is preferably safe to use to obtain
Property.
Utility model content
The utility model aim is to transmit electricity especially for transponder data to overcome the shortcomings of existing cable technology
For cable, provide it is a kind of have the function of superior fire-retardant fireproof, high mechanical strength, good bending property, heatproof, shielding properties are by force
Fire-retardant fireproof cable.
As the one side of the utility model, the utility model proposes a kind of fire-retardant fireproof cables, including cable core and cladding
Cable core sheath outside cable core；The cable core includes at least 2 root insulated single wires；The insulated single wire includes conductor and cladding
Conductor surrounding layer on the outside of conductor；The conductor surrounding layer includes at least one layer of first filled layer；The cable core further includes
Second filled layer, and the second filled layer is filled at least between 2 insulated single wires and cable core sheath；The cable core sheath includes
At least one layer of third filled layer；First filled layer, the second filled layer and third filled layer contain fire protection flame retarding filler.
The fire protection flame retarding filler is organic fire prevention fire proofing or inorganic fire fire proofing.The inorganic fire resistance
Combustible material can be magnesium-based, aluminium base, silicon substrate, antimony base, manganese base by effective element, in addition to this can also be fire-proof flame-retardant fibre, such as
Asbestos, rock wool, glass fibre.
Further, structure species existing in the prior art can be used in conductor surrounding layer, such as successively by shielded layer and insulation
Layer composition.As a further improvement of the utility model, the conductor surrounding layer further include the inner insulating layer being arranged from the inside to the outside,
Metal screen layer and external insulation layer.And the first filled layer may be provided at it is arbitrary between two layers in insulated single wire, as this practicality
Novel is preferred, and first filled layer is between inner insulating layer and metal screen layer.Further, the conductor is preferably copper
Conductor.
Insulating polymeric material existing in the prior art can be used in the material of the inner insulating layer or the external insulation layer,
Such as resin, plastics, silicon rubber.The material of the metal screen layer in insulated single wire in the utility model is copper, aluminium etc..
Further, cable core sheath can be used structure species existing in the prior art, such as successively by belting layer, armor and
Restrictive coating forms.The cable core sheath further includes the cable set gradually from the inside to the outside as a further improvement of the utility model,
Core belting layer, composite sheath, aluminium sheath, liner layer, armor and oversheath are set between the cable core belting layer and composite sheath
It is equipped with aerial drainage line.And third filled layer may be provided at it is arbitrary between two layers in cable core sheath, as the preferred of the utility model,
The third filled layer is between the composite sheath and aluminium sheath.
Further, the material of the cable core belting layer includes polymer strip, non-woven fabrics or other known materials in the prior art
At least one of material.Further, above-mentioned aerial drainage line is copper conductor or aluminum conductor, it is preferably twisted using copper wire or aluminium wire and
At flexible conductor.One of as an improvement of the present invention, aerial drainage line is the copper wire or tinned copper wire with 7 a diameter of 0.1~0.4mm
The flexible conductor being twisted using 1+6 lay configurations.
One of improvement as the utility model, above-mentioned composite sheath include composite band and inner cushion layer, are using compound
Band extrudes by longitudinal wrap or around-packing technology and simultaneously the composite sheath that one layer of inner cushion layer is formed outside cable core band.Further, on
Insulating polymeric material existing in the prior art can be used in the material of the liner layer or oversheath stated, such as resin, plastics, silicon rubber
Glue etc..
The utility model has following advantages compared with prior art：
1, by the way that three layers of filled layer are arranged, and three layers of filled layer are separately positioned in insulated single wire, in cable core and cable
In core sheath, and three layers of filled layer is selected to select special fire proofing material respectively, prevented fires compared to one or two layers are separately provided
Flame-retardant layer, this three layers of filled layers containing fire protection flame retarding filler are used cooperatively, and achieve unexpected superior fire prevention
Flame retardant effect.And by the arrangement of well-designed each layer, while with superior fireproof flame-retardant effect, and this
The cable machinery intensity height of utility model, good bending property, heatproof, shielding properties are strong, cable high safety and reliability.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to this practicality
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Attached drawing 1 is the structural schematic diagram according to the fire-retardant fireproof cable of the utility model.
In figure, 1, insulated single wire, 2, conductor, 3, inner insulating layer, the 4, first filled layer, 5, metal screen layer, 6, external insulation
Layer, the 7, second filled layer, 8, cable core belting layer, 9, aerial drainage line, 10, composite sheath, 11, third filled layer, 12, aluminium sheath, 13,
Liner layer, 14, armor, 15, oversheath.
Specific implementation mode
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to be best understood from the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened completely is communicated to those skilled in the art.
Embodiment according to the present utility model proposes as shown in Figure 1, a kind of fire-retardant fireproof cable, including cable core and packet
Overlay on the cable core sheath outside cable core；The cable core includes at least 2 root insulated single wires 1；The insulated single wire 1 includes conductor 2
With the conductor surrounding layer being coated on the outside of conductor；The conductor surrounding layer includes at least one layer of first filled layer 4；The cable core
Further include the second filled layer, and the second filled layer is filled at least between 2 insulated single wires and cable core sheath；The cable core shield
Layer includes at least one layer of third filled layer 11；First filled layer 4, the second filled layer 7 and third filled layer 11 contain anti-
Fiery flame retardant filler.
Compared to one or two layers fire protection flame retarding layer is separately provided, by the way that three layers of filled layer, and three layers of filled layer are arranged
It is separately positioned in insulated single wire, in cable core and in cable core sheath, this three layers of filled layers containing fire protection flame retarding filler
It is used cooperatively, achieves unexpected superior fireproof flame-retardant effect.
The fire protection flame retarding filler is organic fire prevention fire proofing or inorganic fire fire proofing, the inorganic fire resistance
Combustible material can be magnesium-based, aluminium base, silicon substrate, antimony base, manganese base by effective element, in addition to this can also be fire-proof flame-retardant fibre, such as
Asbestos, rock wool, glass fibre.
Structure species existing in the prior art can be used in conductor surrounding layer, are such as made of successively shielded layer and insulating layer.
The conductor surrounding layer further includes inner insulating layer 3, the metal screen being arranged from the inside to the outside as a further improvement of the utility model,
Cover layer 5 and external insulation layer 6.And the first filled layer 4 may be provided at it is arbitrary between two layers in insulated single wire, as the utility model
It is preferred, first filled layer 4 between inner insulating layer 3 and metal screen layer 5, can more preferably play its fire protection flame retarding effect
Fruit.By the way that metal screen layer and dielectric layers are arranged in the conductor surrounding layer of insulated single wire, it can preferably enhance cable
Shielding properties and insulation performance, increase the security reliability of cable.Further, the conductor 2 is preferably copper conductor.
Polymer insulation material existing in the prior art can be used in the material of the inner insulating layer 3 or the external insulation layer 6
Material, such as resin, plastics, silicon rubber.The material of the metal screen layer 5 in insulated single wire 1 in the utility model is copper, aluminium
Deng, it will not burn, good flame resistance.
Structure species existing in the prior art can be used in cable core sheath, such as successively by belting layer, armor and restrictive coating
Composition.The cable core sheath further includes the cable core band set gradually from the inside to the outside as a further improvement of the utility model,
Layer 8, composite sheath 10, aluminium sheath 12, liner layer 13, armor 14 and oversheath 15, the cable core belting layer 8 and composite sheath
Aerial drainage line 9 is provided between 10.Pass through the structure of the cable core sheath so that cable machinery intensity height, good bending property, heatproof,
Shielding properties is strong, cable high safety and reliability.And third filled layer 11 may be provided at arbitrary between two layers in cable core sheath, make
For the preferred of the utility model, the third filled layer 11, can be more preferable between the composite sheath 10 and aluminium sheath 12
Play its fireproof flame-retardant effect.
The material of the cable core belting layer 8 includes polymer strip, non-woven fabrics or in the prior art in other known materials
It is at least one.Above-mentioned aerial drainage line 9 is copper conductor or aluminum conductor, the flexible conductor for preferably using copper wire or aluminium wire to be twisted.
One of as an improvement of the present invention, aerial drainage line is twisted using 1+6 with the copper wire or tinned copper wire of 7 a diameter of 0.1~0.4mm
The flexible conductor that structure is twisted, it has many advantages, such as that ground connection robust, shielding properties are strong, solves aerial drainage in the prior art
The line length time uses the defects of unreliable easily broken or ground connection, poor contact.
One of improvement as the utility model, above-mentioned composite sheath 10 include composite band and inner cushion layer, are using multiple
Crossed belt extrudes by longitudinal wrap or around-packing technology and simultaneously the composite sheath that one layer of inner cushion layer is formed outside cable core band, and comprehensive
Sheath is used in conjunction with each other with three layers of filled layer so that cable has better fire retardant effect.Above-mentioned liner layer 13 or
Insulating polymeric material existing in the prior art, such as resin, plastics, silicon rubber can be used in the material of oversheath 15.
Embodiment 1
A kind of fire-retardant fireproof answering machine data transmission cable shown in Fig. 1, by cable core and the cable core sheath being coated on outside cable core
Composition.The cable core is made of 4 insulated single wires 1 and the second filled layer 7.The insulated single wire 1 is by conductor 2 and is coated on
Conductor surrounding layer composition on the outside of conductor.6 shape of inner insulating layer 3, metal screen layer 5 and external insulation layer set gradually from the inside to the outside
At conductor surrounding layer, the first filled layer 4 is equipped between the inner insulating layer 3 and metal screen layer 5.It sets gradually from the inside to the outside
Cable core belting layer 8, composite sheath 10, aluminium sheath 12, liner layer 13, armor 14 and oversheath 15 form cable core shield
Layer.It is provided with aerial drainage line 9 between the cable core belting layer 8 and composite sheath 10.Between the composite sheath 10 and aluminium sheath 12
It is provided with third filled layer 11.The aerial drainage line is twisted using 1+6 with the copper wire or tinned copper wire of 7 a diameter of 0.1~0.4mm
Close the flexible conductor that structure is twisted.Composite sheath is made of composite band and inner cushion layer.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model answers institute
It states and is subject to the protection scope in claims.
Claims (5)
1. a kind of fire-retardant fireproof cable, including cable core and the cable core sheath that is coated on outside cable core, it is characterised in that：The cable core
Including at least 2 insulated single wires；The insulated single wire includes conductor and the conductor surrounding layer that is coated on the outside of conductor；The conductor
Surrounding layer includes at least one layer of first filled layer；The cable core further includes the second filled layer, and the second filled layer is filled in
At least between 2 insulated single wires and cable core sheath；The cable core sheath includes at least one layer of third filled layer；First filling
Layer, the second filled layer and third filled layer contain fire protection flame retarding filler.
2. a kind of fire-retardant fireproof cable according to claim 1, it is characterised in that：The conductor surrounding layer further includes from inner
To the inner insulating layer, metal screen layer and external insulation layer of outer setting；And first filled layer is located at inner insulating layer and metal
Between shielded layer.
3. a kind of fire-retardant fireproof cable according to claim 1 or 2, it is characterised in that：The cable core sheath further include from
In to cable core belting layer, composite sheath, aluminium sheath, liner layer, armor and the oversheath set gradually outside, the cable core band
It is provided with aerial drainage line between layer and composite sheath；And the third filled layer is between the composite sheath and aluminium sheath.
4. a kind of fire-retardant fireproof cable according to claim 3, it is characterised in that：The aerial drainage line be with 7 it is a diameter of
The copper wire or tinned copper wire of 0.1~0.4mm uses the flexible conductor that 1+6 lay configurations are twisted.
5. a kind of fire-retardant fireproof cable according to claim 3, it is characterised in that：The composite sheath include composite band and
Inner cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820415044.4U CN207895903U (en) | 2018-03-26 | 2018-03-26 | A kind of fire-retardant fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820415044.4U CN207895903U (en) | 2018-03-26 | 2018-03-26 | A kind of fire-retardant fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207895903U true CN207895903U (en) | 2018-09-21 |
Family
ID=63540031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820415044.4U Expired - Fee Related CN207895903U (en) | 2018-03-26 | 2018-03-26 | A kind of fire-retardant fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207895903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447610A (en) * | 2018-03-26 | 2018-08-24 | 江苏通鼎光电科技有限公司 | A kind of fire-retardant fireproof cable and preparation method thereof |
| CN112700912A (en) * | 2020-11-25 | 2021-04-23 | 通鼎互联信息股份有限公司 | High-strength internal shielding railway digital signal cable |
-
2018
- 2018-03-26 CN CN201820415044.4U patent/CN207895903U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447610A (en) * | 2018-03-26 | 2018-08-24 | 江苏通鼎光电科技有限公司 | A kind of fire-retardant fireproof cable and preparation method thereof |
| CN108447610B (en) * | 2018-03-26 | 2024-06-25 | 江苏通鼎光电科技有限公司 | Flame-retardant fireproof cable and manufacturing method thereof |
| CN112700912A (en) * | 2020-11-25 | 2021-04-23 | 通鼎互联信息股份有限公司 | High-strength internal shielding railway digital signal cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |