CN203950567U - A kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator - Google Patents
A kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator Download PDFInfo
- Publication number
- CN203950567U CN203950567U CN201420173215.9U CN201420173215U CN203950567U CN 203950567 U CN203950567 U CN 203950567U CN 201420173215 U CN201420173215 U CN 201420173215U CN 203950567 U CN203950567 U CN 203950567U
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- insulation layer
- mineral
- alloy separator
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 77
- 239000011707 mineral Substances 0.000 title claims abstract description 77
- 238000009413 insulation Methods 0.000 title claims abstract description 74
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 40
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000003365 glass fiber Substances 0.000 claims abstract description 9
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 9
- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- 239000000395 magnesium oxide Substances 0.000 description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 7
- 239000012774 insulation material Substances 0.000 description 6
- 239000010445 mica Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910052618 mica group Inorganic materials 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004079 fireproofing Methods 0.000 description 2
- 229910052628 phlogopite Inorganic materials 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
A kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator of the utility model, comprise conductor thread core, the external diameter of described conductor thread core is enclosed with mineral insulation layer from inside to outside, aluminium alloy separator and dichroic layer, the described mineral insulation layer that is enclosed with, the described conductor thread core of aluminium alloy separator and dichroic layer is wrapped up by a mineral matter fire proof heat-insulation layer, space between described mineral matter fire proof heat-insulation layer and described dichroic layer is filled with fire-retardant material, on the external diameter of described mineral matter fire proof heat-insulation layer, be enclosed with glass fiber inhibiting tape, the skin of described glass fiber inhibiting tape is enclosed with fire retardant jacket.It is simple in structure, use, easy for installation, simple to operate, and cost is low, and the construction period of cable shortens, and whole investment reduces, the conductor non junction of cable, the electric property of cable is safer, applied widely, and long service life has safe and reliable effect.
Description
Technical field
The utility model belongs to power cable, relates in particular to the flexible heat-insulating, fire-preventing pre-branched cable of a kind of mineral insulation with aluminium alloy separator.
Background technology
Power cable is one of most important part in electric power system and electric power system, and fireproof cable has higher specification requirement and more complicated structure, existing mineral insulation fireproof cable has improved fireproofing of cable performance significantly, but on waterproof and shockproof properties, need to improve.
Utility model content
The technical problems to be solved in the utility model is to provide the flexible heat-insulating, fire-preventing cable of a kind of mineral insulation with aluminium alloy separator, makes fireproof cable have better waterproof and shockproof properties.
For addressing the above problem, the utility model adopts following technical scheme:
A kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator, comprise conductor thread core, the external diameter of described conductor thread core is enclosed with mineral insulation layer from inside to outside, aluminium alloy separator and dichroic layer, the described mineral insulation layer that is enclosed with, the described conductor thread core of aluminium alloy separator and dichroic layer is wrapped up by a mineral matter fire proof heat-insulation layer, space between described mineral matter fire proof heat-insulation layer and described dichroic layer is filled with fire-retardant material, on the external diameter of described mineral matter fire proof heat-insulation layer, be enclosed with glass fiber inhibiting tape, the skin of described glass fiber inhibiting tape is enclosed with fire retardant jacket.
As preferred technical scheme, the material of described mineral insulation layer is the mineral insulation material that contains magnesium oxide material or mica or contains aluminium oxide or the mineral insulation material of mica, and the thickness of described mineral insulation layer is 0.6mm～2.0mm.
As preferred technical scheme, the thickness of described aluminium alloy separator is 0.6mm～1.8mm.
As preferred technical scheme, the thickness of described dichroic layer is 0.6mm～2.6mm.
As preferred technical scheme, described mineral matter fire proof heat-insulation layer adopts the fire prevention material that contains magnetic, magnesium oxide, pottery, and described mineral matter fire proof heat-insulation layer can also adopt the fire prevention material that contains magnetic, aluminium oxide, pottery; The thickness of described mineral matter fire proof heat-insulation layer is more than or equal to 2.8.mm.
As preferred technical scheme, the sectional area of described conductor thread core is 1.5 square millimeters～630 square millimeters.
The beneficial effect of a kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator of the utility model is: adopted all good mineral insulation layer and the mineral matter fire proof heat-insulation layers of insulation and fire protecting performance; The aluminium alloy separator being wrapped on the external diameter of mineral insulation layer has the fixedly effect of mineral insulation layer, by conductor thread core and water and steam isolation, makes cable have good water resistance simultaneously; Aluminium alloy separator can also effectively be protected cable conductor core, avoids because of vibrations and impacts the damage producing.It is simple in structure, use, easy for installation, simple to operate, and cost is low, and the construction period of cable shortens, and whole investment reduces, the conductor non junction of cable, the electric property of cable is safer, applied widely, and long service life has safe and reliable effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator of the utility model;
Fig. 2 is the stereogram of a kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator of the utility model.
Embodiment
Consult a kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator shown in Fig. 1 and Fig. 2, comprise conductor thread core 1, the external diameter of described conductor thread core 1 is enclosed with mineral insulation layer 2 from inside to outside, aluminium alloy separator 3 and dichroic layer 4, the described mineral insulation layer 2 that is enclosed with, the described conductor thread core 1 of aluminium alloy separator 3 and dichroic layer 4 is by a mineral matter fire proof heat-insulation layer 5 parcels, space between described mineral matter fire proof heat-insulation layer 5 and described dichroic layer 4 is filled with fire-retardant material 6, on the external diameter of described mineral matter fire proof heat-insulation layer 5, be enclosed with glass fiber inhibiting tape 7, the skin of described glass fiber inhibiting tape 7 is enclosed with fire retardant jacket 8.
The material of described mineral insulation layer 2 is the mineral insulation materials that contain magnesium oxide material or mica or contains aluminium oxide or the mineral insulation material of mica, and the thickness of described mineral insulation layer 2 is 0.6mm～2.0mm.
The thickness of described aluminium alloy separator 3 is 0.6mm～1.8mm.The thickness of described dichroic layer 4 is 0.6mm～2.6mm.
Described mineral matter fire proof heat-insulation layer 2 adopts the fire prevention material that contains magnetic, magnesium oxide, pottery, and described mineral matter fire proof heat-insulation layer 2 can also adopt the fire prevention material that contains magnetic, aluminium oxide, pottery; The thickness of described mineral matter fire proof heat-insulation layer 2 is more than or equal to 2.8.mm.By the wrapped rear injection moulding of layering mode mineral matter fire proof heat-insulation layer 2 is wrapping to junction uniformly.
The flexible heat-insulating, fire-preventing cable of described mineral insulation is 1～5 core power cable, and the sectional area of every described conductor thread core 1 is 1.5 square millimeters～630 square millimeters.
The thickness of the sectional area of conductor thread core, mineral insulation layer thickness, aluminium alloy separator and the relation table of dichroic layer thickness are as follows:
| Conductor nominal cross mm2 | Mineral insulation layer thickness mm | Aluminium alloy separation layer thickness mm | Polyolefin dichroic layer thickness mm |
| 1.5～16 | 0.7 | 0.8 | 0.7 |
| 25 | 0.9 | 0.9 | 0.9 |
| 35 | 0.9 | 0.9 | 0.9 |
| 50 | 1.0 | 1.0 | 1.0 |
| 70 | 1.0 | 1.0 | 1.1 |
| 95 | 1.0 | 1.0 | 1.1 |
| 120 | 1.0 | 1.0 | 1.2 |
| 150 | 1.0 | 1.0 | 1.4 |
| 185 | 1.0 | 1.0 | 1.6 |
| 240 | 1.0 | 1.0 | 1.7 |
| 300 | 1.0 | 1.0 | 1.8 |
| 400 | 1.0 | 1.0 | 2.0 |
| 500 | 1.0 | 1.0 | 2.2 |
| 630 | 1.0 | 1.0 | 2.4 |
In embodiment as described in Figure 2:
The flexible heat-insulating, fire-preventing cable of the described mineral insulation with aluminium alloy separator is four-core power cable, is provided with four copper conductor thread cores that are enclosed with described mineral insulation layer and dichroic layer; The sectional area of every described conductor thread core is 50 square millimeters; The material of described mineral insulation layer is the mineral insulation material that contains magnesium oxide and mica, and the thickness of mineral insulation layer is 1.0mm; The thickness of aluminium alloy separator is 1.0mm, and the thickness of dichroic layer is 1.0mm, and the material of dichroic layer is low-smoke halogen-free polyolefin; The thickness of described mineral matter fire proof heat-insulation layer is 3.5mm, and the material of mineral matter fire proof heat-insulation layer is the fire proofing material that contains magnetic, magnesium oxide, pottery; On the external diameter of mineral matter fire proof heat-insulation layer, be enclosed with glass fiber inhibiting tape; Outermost layer at cable is enclosed with LSOH anti-flaming sheath; Single branch cable length of the present embodiment can reach 2000 meters.
The mineral insulation material that contains magnesium oxide and mica has good insulation property, but its moulding and fixed performance are poor, therefore on the external diameter of mineral insulation layer, be wrapped in aluminium alloy separator, aluminium alloy separator has the fixedly effect of mineral insulation layer, by conductor thread core and water and steam isolation, make cable there is good water resistance simultaneously; Aluminium alloy separator can also effectively be protected cable conductor core, avoids because of vibrations and impacts the damage producing.
Dichroic layer adopts tinctorial property and the good low-smoke halogen-free polyolefin of processability, and dichroic layer can be attached on aluminium alloy separator securely.
The beneficial effect of a kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator of the utility model is: adopted all good mineral insulation layer and the mineral matter fire proof heat-insulation layers of insulation and fire protecting performance; The aluminium alloy separator being wrapped on the external diameter of mineral insulation layer has the fixedly effect of mineral insulation layer, by conductor thread core and water and steam isolation, makes cable have good water resistance simultaneously; Aluminium alloy separator can also effectively be protected cable conductor core, avoids because of vibrations and impacts the damage producing.It is simple in structure, use, easy for installation, simple to operate, and cost is low, and the construction period of cable shortens, and whole investment reduces, the conductor non junction of cable, the electric property of cable is safer, applied widely, and long service life has safe and reliable effect.
The above, be only embodiment of the present utility model, but protection range of the present utility model is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claims were limited.
Claims (6)
1. the mineral insulation fire resistant flexible branch cable with aluminium alloy separator, it is characterized in that: comprise conductor thread core, the external diameter of described conductor thread core is enclosed with mineral insulation layer from inside to outside, aluminium alloy separator and dichroic layer, the described mineral insulation layer that is enclosed with, the described conductor thread core of aluminium alloy separator and dichroic layer is wrapped up by a mineral matter fire proof heat-insulation layer, space between described mineral matter fire proof heat-insulation layer and described dichroic layer is filled with fire-retardant material, on the external diameter of described mineral matter fire proof heat-insulation layer, be enclosed with glass fiber inhibiting tape, the skin of described glass fiber inhibiting tape is enclosed with fire retardant jacket.
2. the mineral insulation fire resistant flexible branch cable with aluminium alloy separator according to claim 1, is characterized in that: the thickness of described mineral insulation layer is 0.6mm～2.0mm.
3. the mineral insulation fire resistant flexible branch cable with aluminium alloy separator according to claim 1, is characterized in that: the thickness of described aluminium alloy separator is 0.6mm～1.8mm.
4. the mineral insulation fire resistant flexible branch cable with aluminium alloy separator according to claim 1, is characterized in that: the thickness of described dichroic layer is 0.6mm～2.6mm.
5. the mineral insulation fire resistant flexible branch cable with aluminium alloy separator according to claim 1, is characterized in that: the thickness of described mineral matter fire proof heat-insulation layer is more than or equal to 2.8.mm.
6. the mineral insulation fire resistant flexible branch cable with aluminium alloy separator according to claim 1, is characterized in that: the sectional area of described conductor thread core is 1.5 square millimeters～630 square millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173215.9U CN203950567U (en) | 2014-04-11 | 2014-04-11 | A kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173215.9U CN203950567U (en) | 2014-04-11 | 2014-04-11 | A kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950567U true CN203950567U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173215.9U Expired - Lifetime CN203950567U (en) | 2014-04-11 | 2014-04-11 | A kind of mineral insulation fire resistant flexible branch cable with aluminium alloy separator |
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| Country | Link |
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| CN (1) | CN203950567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538102A (en) * | 2015-01-09 | 2015-04-22 | 四川金正方线缆有限公司 | Isolation magnesium oxide insulation fireproof cable |
-
2014
- 2014-04-11 CN CN201420173215.9U patent/CN203950567U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538102A (en) * | 2015-01-09 | 2015-04-22 | 四川金正方线缆有限公司 | Isolation magnesium oxide insulation fireproof cable |
| CN104538102B (en) * | 2015-01-09 | 2017-02-22 | 四川金正方线缆有限公司 | Isolation magnesium oxide insulation fireproof cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |