CN209401350U - A kind of B1 grades of power cable - Google Patents
A kind of B1 grades of power cable Download PDFInfo
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- CN209401350U CN209401350U CN201820427752.XU CN201820427752U CN209401350U CN 209401350 U CN209401350 U CN 209401350U CN 201820427752 U CN201820427752 U CN 201820427752U CN 209401350 U CN209401350 U CN 209401350U
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Abstract
The utility model discloses a kind of B1 grades of power cables, including core and surrounding layer；The core is provided with 4~6, and core is located at the inside of surrounding layer, and fills in the outside of core filled with glass fiber rope；The core includes conductor, fire-resistant isinglass belt wrapping layer and XLPE insulating layer；Fire-resistant isinglass belt wrapping layer and XLPE insulating layer are successively wrapped up on the outside of the conductor；The first glass fibre belt wrapping layer, ceramic polyolefin oxygen barrier, the second glass fibre belt wrapping layer, double-tape armor layer and halogen-free and low-smoke flame-retardant polyolefin oversheath are disposed in the surrounding layer from inside to outside.It insulate using made of XLPE cross-linking polyethylene materials, insulation performance can be effectively improved, guarantee the safety in utilization of cable；To ceramic polyolefin insulating effect when glass fibre belt wrapping layer plays dropping and premature combustion when isolation is burnt, ceramic polyolefin oxygen barrier forms ceramic after combustion, and effective starvation enters insulating layer, and isolation flame passes in conductor wire core.
Description
Technical field
The utility model relates to a kind of cable, specifically a kind of B1 grades of power cable.
Background technique
Fire-resisting cable popular in industry and fireproof cable are all made of copper sheath, aluminium sheath or stainless steel sheath at present.On
State made of material that cable material is at high cost, Cable Bending Radius is big, it is necessary to pack using dedicated Electric cable coil, during installation
Operation difficulty is quite big, mineral insulated cable often connector installation it is not in place in the case where, the material moisture absorption causes insulation resistance inclined
Low, serious to cause punch through, cable is not just available.And production length receives equipment limit, it is necessary to use dedicated equipment
It is produced, invests the disadvantages of big.
Utility model content
The purpose of this utility model is to provide a kind of B1 grades of power cables, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of B1 grades of power cable, including core and surrounding layer；The core is provided with 4~6, and core is located at surrounding layer
Inside, and the outside of core filled with glass fiber rope fill；The core include conductor, fire-resistant isinglass belt wrapping layer and
XLPE insulating layer；Fire-resistant isinglass belt wrapping layer and XLPE insulating layer are successively wrapped up on the outside of the conductor；By interior in the surrounding layer
It is disposed with the first glass fibre belt wrapping layer, ceramic polyolefin oxygen barrier, the second glass fibre belt wrapping layer, double-tape armor outward
Layer and halogen-free and low-smoke flame-retardant polyolefin oversheath.
Further: the conductor is twisted by more copper wires, and single copper wire outer diameter is 1.6~1.8mm, copper wire setting
There are 5~8, conductor resistance is less than 1.15 Ω/km.
Further: the fire-resistant isinglass belt wrapping layer is enclosed at least two layers, the mica tape of fire-resistant isinglass belt wrapping layer
Duplication is greater than 50%.
Further: the wrapped Duplication of glass fibre belt of the first glass fibre belt wrapping layer and the second glass fibre belt wrapping layer is big
In 30%.
It is further: the ceramic polyolefin oxygen barrier with a thickness of 1.8~2.0mm.
Further: 0.18~0.2mm of thickness of the double-tape armor layer, Duplication are more than or equal to 50%.
It is further: the halogen-free and low-smoke flame-retardant polyolefin oversheath with a thickness of 1.6~2.0mm.
Compared with prior art, the utility model has the beneficial effects that
1, wrapped mica tape plays enhancing fire resistance and improves insulation performance outside conductor；
2, it insulate using made of XLPE cross-linking polyethylene materials, insulation performance can be effectively improved, guarantee the use of cable
Safety；
3, ceramic polyolefin is completely cut off when glass fibre belt wrapping layer plays dropping and premature combustion when isolation is burnt and is made
With, it is ensured that pass through test；
4, ceramic polyolefin oxygen barrier forms ceramic after combustion, and effective starvation enters insulating layer, isolation fire
Flame passes in conductor wire core；
5, all material is low smoke, zero halogen material, is had environmentally friendly, at low cost；
6, cable is soft, and laying is convenient, greatly reduces the difficulty in installation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of B1 grades of power cable.
In figure: 1- conductor, 2- fire-resistant isinglass belt wrapping layer, 3-XLPE insulating layer, the filling of 4- glass fiber rope, the first glass fibre belt of 5-
Wrapping layer, 6- ceramic polyolefin oxygen barrier, 7- the second glass fibre belt wrapping layer, 8- double-tape armor layer, 9- LSOH anti-flaming
Polyolefin oversheath.
Specific embodiment
Please refer to figure, in the utility model embodiment, a kind of B1 grades of power cable, including core and surrounding layer；The line
Core is provided with 4~6, and core is located at the inside of surrounding layer, and in the outside of core filled with glass fiber rope filling 4.
The core includes conductor 1, fire-resistant isinglass belt wrapping layer 2 and XLPE insulating layer 3；The conductor 1 is by more copper
Silk is twisted, and single copper wire outer diameter is 1.6~1.8mm, and copper wire is provided with 5~8, and 1 resistance of conductor is less than 1.15 Ω/km；
Fire-resistant isinglass belt wrapping layer 2 and XLPE insulating layer 3 are successively wrapped up in 1 outside of the conductor, fire-resistant isinglass belt wrapping layer 2 be enclosed with to
Two layers few, the mica tape Duplication of fire-resistant isinglass belt wrapping layer 2 is greater than 50%；The XLPE insulating layer 3 uses self cross-linking materials
XLPE crosslinked polyethylene is extruded on conductor wire core by minimum 0.7mm thickness, and insulation resistance constant is greater than 3.67M Ω km.
Be disposed with from inside to outside in the surrounding layer the first glass fibre belt wrapping layer 5, ceramic polyolefin oxygen barrier 6,
Second glass fibre belt wrapping layer 7, double-tape armor layer 8 and halogen-free and low-smoke flame-retardant polyolefin oversheath 9；First glass fibre belt is wrapped
The wrapped Duplication of glass fibre belt of layer 5 and the second glass fibre belt wrapping layer 7 is all larger than 30%；The thickness of the ceramic polyolefin oxygen barrier 6
Degree is 1.8~2.0mm；0.18~0.2mm of thickness of the double-tape armor layer 8, Duplication are more than or equal to 50%；The Halogen
Low-smoke flame-proof polyolefin oversheath 9 with a thickness of 1.6~2.0mm.
1, wrapped mica tape plays enhancing fire resistance and improves insulation performance outside conductor；
2, it insulate using made of XLPE cross-linking polyethylene materials, insulation performance can be effectively improved, guarantee the use of cable
Safety；
3, ceramic polyolefin is completely cut off when glass fibre belt wrapping layer plays dropping and premature combustion when isolation is burnt and is made
With, it is ensured that pass through test；
4, ceramic polyolefin oxygen barrier forms ceramic after combustion, and effective starvation enters insulating layer, isolation fire
Flame passes in conductor wire core；
5, all material is low smoke, zero halogen material, is had environmentally friendly, at low cost；
6, cable is soft, and laying is convenient, greatly reduces the difficulty in installation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of B1 grades of power cable, including core and surrounding layer；It is characterized by: the core is provided with 4~6, core
Positioned at the inside of surrounding layer, and in the outside of core filled with glass fiber rope filling (4)；The core includes conductor (1), resistance to
Fiery Mica tape layer (2) and XLPE insulating layer (3)；Successively wrapped up on the outside of the conductor (1) fire-resistant isinglass belt wrapping layer (2) and
XLPE insulating layer (3)；The first glass fibre belt wrapping layer (5), ceramic polyolefin are disposed in the surrounding layer from inside to outside
Oxygen barrier layer (6), the second glass fibre belt wrapping layer (7), double-tape armor layer (8) and halogen-free and low-smoke flame-retardant polyolefin oversheath (9).
2. a kind of B1 grades of power cables according to claim 1, it is characterised in that: conductor (1) the You Duogen copper wire twists
It closes, single copper wire outer diameter is 1.6~1.8mm, and copper wire is provided with 5~8, and conductor (1) resistance is less than 1.15 Ω/km.
3. a kind of B1 grades of power cables according to claim 1, it is characterised in that: the fire-resistant isinglass belt wrapping layer (2)
It is enclosed at least two layers, the mica tape Duplication of fire-resistant isinglass belt wrapping layer (2) is greater than 50%.
4. a kind of B1 grades of power cables according to claim 1, it is characterised in that: the first glass fibre belt wrapping layer (5)
30% is all larger than with the wrapped Duplication of glass fibre belt of the second glass fibre belt wrapping layer (7).
5. a kind of B1 grades of power cables according to claim 1, it is characterised in that: the ceramic polyolefin oxygen barrier
(6) with a thickness of 1.8~2.0mm.
6. a kind of B1 grades of power cables according to claim 1, it is characterised in that: the thickness of the double-tape armor layer (8)
0.18~0.2mm is spent, Duplication is more than or equal to 50%.
7. a kind of B1 grades of power cables according to claim 1, it is characterised in that: outside the halogen-free and low-smoke flame-retardant polyolefin
Sheath (9) with a thickness of 1.6~2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427752.XU CN209401350U (en) | 2018-03-28 | 2018-03-28 | A kind of B1 grades of power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427752.XU CN209401350U (en) | 2018-03-28 | 2018-03-28 | A kind of B1 grades of power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401350U true CN209401350U (en) | 2019-09-17 |
Family
ID=67876241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820427752.XU Active CN209401350U (en) | 2018-03-28 | 2018-03-28 | A kind of B1 grades of power cable |
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| Country | Link |
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| CN (1) | CN209401350U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648784A (en) * | 2019-09-26 | 2020-01-03 | 深圳市利路通科技实业有限公司 | Low-power fire-resistant alarm cable and processing method thereof |
| CN112578512A (en) * | 2019-09-27 | 2021-03-30 | 通鼎互联信息股份有限公司 | Fire-resistant communication optical cable |
| CN112885508A (en) * | 2021-02-08 | 2021-06-01 | 人民电缆集团有限公司 | Fire-resistant polyvinyl chloride insulated cable and cladding device of production usefulness thereof |
| CN113035428A (en) * | 2021-02-02 | 2021-06-25 | 安徽铁信光电科技有限公司 | Flame-retardant digital signal cable for rail transit and production process |
| CN113539552A (en) * | 2021-07-21 | 2021-10-22 | 安徽怡和电缆有限公司 | Cross-linked polyethylene insulated B1-grade flexible fire-resistant cable |
-
2018
- 2018-03-28 CN CN201820427752.XU patent/CN209401350U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648784A (en) * | 2019-09-26 | 2020-01-03 | 深圳市利路通科技实业有限公司 | Low-power fire-resistant alarm cable and processing method thereof |
| CN112578512A (en) * | 2019-09-27 | 2021-03-30 | 通鼎互联信息股份有限公司 | Fire-resistant communication optical cable |
| CN113035428A (en) * | 2021-02-02 | 2021-06-25 | 安徽铁信光电科技有限公司 | Flame-retardant digital signal cable for rail transit and production process |
| CN112885508A (en) * | 2021-02-08 | 2021-06-01 | 人民电缆集团有限公司 | Fire-resistant polyvinyl chloride insulated cable and cladding device of production usefulness thereof |
| CN112885508B (en) * | 2021-02-08 | 2021-09-07 | 人民电缆集团有限公司 | Fire-resistant polyvinyl chloride insulated cable and cladding device of production usefulness thereof |
| CN113539552A (en) * | 2021-07-21 | 2021-10-22 | 安徽怡和电缆有限公司 | Cross-linked polyethylene insulated B1-grade flexible fire-resistant cable |
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