CN209843347U - Ultraviolet-proof environment-friendly inorganic mineral insulated power cable - Google Patents
Ultraviolet-proof environment-friendly inorganic mineral insulated power cable Download PDFInfo
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- CN209843347U CN209843347U CN201920197486.0U CN201920197486U CN209843347U CN 209843347 U CN209843347 U CN 209843347U CN 201920197486 U CN201920197486 U CN 201920197486U CN 209843347 U CN209843347 U CN 209843347U
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- insulating layer
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- power cable
- inorganic mineral
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses an inorganic mineral insulation power cable of ultraviolet protection environment-friendly, it includes: the conductor, the insulating layer, the filler, the insulating layer of taking, the isolation jacket layer, the metal sheath layer, the restrictive coating, the insulating layer cladding is in the conductor and forms the single strand electric wire, a plurality of single strand electric wire group one-tenth stranded electric wires, take the insulating layer cladding in the stranded electric wire, space between insulating layer and the insulating layer is filled there is the filler, the isolation jacket layer cladding is in taking the insulating layer, metal sheath layer cladding is in the isolation jacket layer, the restrictive coating cladding is in the metal sheath layer, insulating layer and area insulating layer have insulating nature and fire resistance, the filler has the fire resistance, the isolation jacket layer has waterproof nature, the metal sheath layer has crushing resistance and waterproof nature, the restrictive coating has the function that blocks ultraviolet ray, smog is few during this ultraviolet protection environment-friendly inorganic mineral insulated power cable burning, the luminousness is high, can guarantee long-time power on state when the conflagration.
Description
Technical Field
The utility model relates to a power cable field, concretely relates to inorganic mineral insulation power cable of ultraviolet protection environment-friendly.
Background
With the acceleration of urban construction, various cables are used in urban centers, mainly in places with dense personnel, such as subways, airports, shopping malls, schools, hospitals and the like. The cable mainly has the functions of power transmission and the like, and needs to be electrified for a long time when a fire disaster occurs outside; the flow of personnel in a dense place is large, a fire disaster is easily caused, the smoke generated by the cable during combustion is less, and no harmful gas exists; the cable needs to be placed in a sun-lit environment for a long time.
At present, cables with excellent environmental protection performance, high fire-resistant grade and good ultraviolet resistance are not developed in densely populated places at home.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned current situation, provide an inorganic mineral insulation power cable of ultraviolet protection environment-friendly to solve above-mentioned problem.
The utility model adopts the technical proposal that: the utility model provides an inorganic mineral insulation power cable of anti ultraviolet environment-friendly, includes conductor, insulating layer, filler, takes insulating layer, isolation jacket layer, metal sheath layer, restrictive coating, the insulating layer cladding in the conductor forms the single strand electric wire, and a plurality of single strand electric wires constitute stranded electric wire, take the insulating layer cladding in the stranded electric wire, take the insulating layer with space between the insulating layer is filled there is the filler, isolation jacket layer cladding in take the insulating layer, metal sheath layer cladding in isolation jacket layer, the restrictive coating cladding in metal sheath layer, the insulating layer reaches it has insulating nature and fire resistance to take the insulating layer, the filler has fire resistance waterproof nature, isolation jacket layer has crushing resistance and waterproof nature, metal sheath layer has blocking ultraviolet function.
The utility model has the effects that: the anti-ultraviolet environment-friendly inorganic mineral insulated power cable has less smoke and high light transmittance during combustion, can ensure a long-time power-on state during fire, can be placed in an environment with solar illumination for a long time, and is very environment-friendly.
Drawings
Fig. 1 shows the structure schematic diagram of the ultraviolet-proof environment-friendly inorganic mineral insulated power cable provided by the utility model.
Detailed Description
The utility model discloses an ultraviolet protection environment-friendly inorganic mineral insulation power cable of anti ultraviolet combines the drawing to introduce in the following:
as shown in fig. 1, for the utility model provides a pair of inorganic mineral insulation power cable of anti ultraviolet environment-friendly, it includes conductor 1, insulating layer 2, filler 3, takes insulating layer 4, isolation jacket layer 5, metal sheath layer 6, restrictive coating 7, insulating layer 2 cladding in conductor 1 forms the single strand electric wire, and a plurality of single strand electric wire are constituteed to stranded electric wire, take insulating layer 4 cladding in the stranded electric wire, take insulating layer 4 with space between insulating layer 2 is filled has filler 3, isolation jacket layer 5 cladding in take insulating layer 4, metal sheath layer 6 cladding in isolation jacket layer 5, restrictive coating 7 cladding in metal sheath layer 6.
The conductor 1 is a second copper conductor which meets the national standard GB/T3956-2008 and has very good transmission electric energy characteristics.
The insulating layer 2 is made of synthetic mica tape, and the fire resistance of the insulating layer can meet the requirements of GB/T19216.21-2003 and BS 6387: 1994, the insulating property is maintained at a high temperature of over 1000 ℃, so that the normal power-on state of the cable can be ensured in case of fire.
The filler 3 is a glass fiber filling rope, and the material is not flammable and can well play a role in flame retardance.
The belt insulating layer 4 comprises two layers of mica tapes which are combined in an overlapping wrapping mode, the overlapping rate of the two layers of mica tapes is more than 30%, a secondary insulating effect can be achieved, and the fire resistance of the belt insulating layer 4 can meet the requirements of GB/T19216.21-2003 and BS 6387: 1994, requirements.
The isolation sleeve layer 5 is made of polyethylene materials and can play a role in radial water resistance and prevention of the metal sheath layer 6 from scraping the insulating layer.
The metal sheath layer 6 adopts a corrugated copper sheath, the melting point of copper is 1080 ℃, and a fire source and the insulated wire core can be well isolated when a fire disaster happens; the cable can also have the functions of pressure resistance and radial water resistance.
The sheath layer 7 is made of a mixed material of halogen-free low-smoke polyolefin and carbon black, and the carbon black can play a role in ultraviolet resistance; the oxygen index is higher than 40, and the requirement of flame retardant grade A in GB/T19666-2005 can be met; no halogen element and heavy metal are contained in the sheath material, no harmful gas is generated during combustion, and the requirement of environment-friendly ROHS can be met.
The anti-ultraviolet environment-friendly inorganic mineral insulated power cable has less smoke and high light transmittance during combustion, can ensure a long-time power-on state during fire, can be placed in an environment with solar illumination for a long time, and is very environment-friendly.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. An anti ultraviolet environment-friendly inorganic mineral insulated power cable, characterized in that it includes: conductor, insulating layer, filler, insulating layer, isolation jacket layer, metal sheath layer, restrictive coating, the insulating layer cladding in the conductor forms the sub-strand electric wire, and a plurality of sub-strand electric wires are constituteed to the sub-strand electric wire, take the insulating layer cladding in the sub-strand electric wire, take the insulating layer with space between the insulating layer is filled there is the filler, isolation jacket layer cladding in take the insulating layer, metal sheath layer cladding in isolation jacket layer, the restrictive coating cladding in the metal sheath layer, the insulating layer reaches it has insulating nature and fire resistance to take the insulating layer, the filler has the fire resistance, isolation jacket layer has waterproof nature, metal sheath layer has crushing resistance and waterproof nature, the restrictive coating has the function that blocks ultraviolet ray.
2. The power cable as claimed in claim 1, wherein the conductor is a second copper conductor in accordance with GB/T3956-2008.
3. The cable according to claim 1, wherein the insulating layer is made of synthetic mica tape, and the fire resistance of the cable meets GB/T19216.21-2003 and BS 6387: 1994, requirements.
4. The UV-protected eco-friendly inorganic mineral insulated power cable according to claim 1, wherein the filler is a glass fiber filler rope.
5. The ultraviolet-proof environment-friendly inorganic mineral-insulated power cable according to claim 1, wherein the insulating layer comprises two mica tapes, the two mica tapes are combined in an overlapping wrapping manner, the overlapping rate of the two mica tapes is more than 30%, and the fire resistance of the insulating layer can meet the requirements of GB/T19216.21-2003 and BS 6387: 1994, requirements.
6. The UV-protected eco-friendly inorganic mineral insulated power cable according to claim 1, wherein the insulation sheath layer is made of polyethylene material.
7. The uv protected environmentally friendly inorganic mineral insulated power cable of claim 1, wherein the metal sheath layer is a corrugated copper sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197486.0U CN209843347U (en) | 2019-02-14 | 2019-02-14 | Ultraviolet-proof environment-friendly inorganic mineral insulated power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197486.0U CN209843347U (en) | 2019-02-14 | 2019-02-14 | Ultraviolet-proof environment-friendly inorganic mineral insulated power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209843347U true CN209843347U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920197486.0U Active CN209843347U (en) | 2019-02-14 | 2019-02-14 | Ultraviolet-proof environment-friendly inorganic mineral insulated power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209843347U (en) |
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2019
- 2019-02-14 CN CN201920197486.0U patent/CN209843347U/en active Active
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