CN209266071U - A kind of rat-and-ant proof flame-retardant water-resistant power cable - Google Patents
A kind of rat-and-ant proof flame-retardant water-resistant power cable Download PDFInfo
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- CN209266071U CN209266071U CN201920197748.3U CN201920197748U CN209266071U CN 209266071 U CN209266071 U CN 209266071U CN 201920197748 U CN201920197748 U CN 201920197748U CN 209266071 U CN209266071 U CN 209266071U
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Abstract
The utility model discloses a kind of rat-and-ant proof flame-retardant water-resistant power cables, comprising: conductor, conductor shield, crosslinked polyetylene insulated layer, insulation screen, metal screen layer, water blocking layer, fire resisting separation layer, armor, restrictive coating, the conductor shield is coated on the conductor, the crosslinked polyetylene insulated layer is coated on the conductor shield, the insulation screen is coated on the crosslinked polyetylene insulated layer, the metal screen layer is coated on the insulation screen, the water blocking layer is coated on the metal screen layer, the fire resisting separation layer is coated on the water blocking layer, the armor is coated on the fire resisting separation layer, restrictive coating is coated on the armor.The rat-and-ant proof flame-retardant water-resistant power cable can be placed in water for a long time, refractory temperature up to 1000 DEG C and remains powered on 90min；With protection against rodents and the termite-proof characteristic to bite.
Description
Technical field
The utility model relates to power cable fields, and in particular to a kind of rat-and-ant proof flame-retardant water-resistant power cable.
Background technique
With the quickening in urban construction, a variety of cables are used in the center in city, the mainly place of densely populated place, example
Such as subway, airport, market, school, hospital.And cable mainly carries the functions such as the transmission of electric energy, in the field of densely populated place
Institute mouse be also it is existing, can bite cable；In southern area, termite is also very more, can also eat into erosion cable；Crowded place
Personnel's flow is big, easily causes fire；Cable is put in water for a long time sometimes.
Domestic at present also not have rat-and-ant proof, excellent fireproof performance to densely populated Site development, fire resistance rating is high, blocks water
The good cable of performance.
Utility model content
The purpose of this utility model is to provide a kind of rat-and-ant proof flame-retardant water-resistant power cable for above-mentioned status, with
It solves the above problems.
The technical solution adopted in the utility model are as follows: a kind of rat-and-ant proof flame-retardant water-resistant power cable, including conductor, absolutely
Edge layer, wrapping layer, shielded layer, sheath, armor, outer jacket, the insulating layer are coated on the conductor, the wrapping layer packet
It is overlying on the insulating layer, the shielded layer is coated on the wrapping layer, and the sheath is coated on the shielded layer, the armouring
Layer is coated on the sheath, and the outer jacket is coated on the armor, and the wrapping layer has waterproofness, the shielded layer
For anti-electromagnetic induction and anti-power supply line Conduction Interference, there is the sheath shield armor will not hurt cable core and prevent
The effect of water, the armor protect cable not by pressure injury, and the outer jacket has waterproofness.
The effect of the utility model is: the rat-and-ant proof flame-retardant water-resistant power cable can be placed in water for a long time, fire resisting
Temperature is up to 1000 DEG C and remains powered on 90min；With protection against rodents and the termite-proof characteristic to bite.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of rat-and-ant proof flame-retardant water-resistant power cable provided by the utility model.
Specific embodiment
The rat-and-ant proof flame-retardant water-resistant power cable of the utility model is introduced with reference to the accompanying drawing:
As shown in Figure 1, being a kind of rat-and-ant proof flame-retardant water-resistant power cable provided by the utility model comprising conductor
1, conductor shield 2, crosslinked polyetylene insulated layer 3, insulation screen 4, metal screen layer 5, water blocking layer 6, fire resisting separation layer 7,
Armor 8, restrictive coating 9, the conductor shield 2 are coated on the conductor 1, and the crosslinked polyetylene insulated layer 3 is coated on institute
Conductor shield 2 is stated, the insulation screen 4 is coated on the crosslinked polyetylene insulated layer 3, and the metal screen layer 5 coats
In the insulation screen 4, the water blocking layer 6 is coated on the metal screen layer 5, and the fire resisting separation layer 7 is coated on described
Water blocking layer 6, the armor 8 are coated on the fire resisting separation layer 7, and restrictive coating 9 is coated on the armor 8.
The conductor 1 is to have extraordinary biography using the 2nd kind of copper conductor met in national standard GB/T3956-2008
Defeated power performances.
The conductor shield 2, the crosslinked polyetylene insulated layer 3,4 material of the insulation screen are crosslinked polyethylene
Insulation Material can play the role of uniform electric field.
The metal screen layer 5 is overlapped using copper strips and is coated around packet mode, and for copper strips with a thickness of 0.20mm, copper strips Duplication is big
In 30%, cable itself can be played well and generates magnetic field to extraneous interference.
The water blocking layer 6 include bilayer block water expansion band and aluminium-plastic tape described in bilayer block water expand band be overlapped around
Packet, the aluminium-plastic tape are coated on the expansion band outer layer longitudinal wrap aluminium-plastic tape that blocks water, can play cable itself well and block water
Performance.
The fire resisting separation layer 7 uses high fire-retardance ceramic polyolefine material, this material can in 1000 DEG C of flame temperature,
Guarantee that cable is in normal power-up state, can keep the integrality of route in 90min, TICW 8-2012 fire resisting examination can be met
Test requirement.
The armor 8 is wrapped using double-layer stainless steel steel band gap, and clearance rate is not more than 40%, cable can be made to have anti-
The characteristic that pressure, anti-mouse bite.
The restrictive coating 9 uses low smoke, zero halogen polyolefine material, and oxygen index (OI) is higher than 40, is added in the restrictive coating 9 anti-
Mouse and termite-proof repellant.The restrictive coating 9 can reach middle flame retardant rating A grades of requirement, be added in this sheath material anti-
Mouse and termite-proof repellant can make cable have protection against rodents and the termite-proof characteristic to bite.It is " anti-that GB/T34016-2017 can be met
Mouse and ant proof wire and cable general rule " in 1 grade of anti-rat and termite-proof 1 grade of requirement.
The rat-and-ant proof flame-retardant water-resistant power cable can be placed in water for a long time, refractory temperature up to 1000 DEG C and is kept
Energization 90min；With protection against rodents and the termite-proof characteristic to bite.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of rat-and-ant proof flame-retardant water-resistant power cable, characterized in that it comprises: conductor, conductor shielding layer, crosslinking are poly-
Ethylene insulating layer, insulation screen, metal screen layer, water blocking layer, fire resisting separation layer, armor, restrictive coating, the conductor shielding
Layer is coated on the conductor, and the crosslinked polyetylene insulated layer is coated on the conductor shield, the insulation screen cladding
In the crosslinked polyetylene insulated layer, the metal screen layer is coated on the insulation screen, and the water blocking layer is coated on institute
Metal screen layer is stated, the fire resisting separation layer is coated on the water blocking layer, and the armor is coated on the fire resisting separation layer, shield
Jacket layer is coated on the armor.
2. rat-and-ant proof flame-retardant water-resistant power cable according to claim 1, which is characterized in that the conductor is to use
Meet the 2nd kind of copper conductor in national standard GB/T3956-2008.
3. rat-and-ant proof flame-retardant water-resistant power cable according to claim 1, which is characterized in that the conductor shielding
Layer, the crosslinked polyetylene insulated layer, the insulation screen material are cross-linked polyethylene insulating material.
4. rat-and-ant proof flame-retardant water-resistant power cable according to claim 1, which is characterized in that the metal screen layer
It is coated using copper strips overlapping around packet mode, copper strips is greater than 30% with a thickness of 0.20mm, copper strips Duplication.
5. rat-and-ant proof flame-retardant water-resistant power cable according to claim 1, which is characterized in that the water blocking layer includes
The bilayer bilayer described in expansion band and aluminium-plastic tape that blocks water blocks water and expands band and be overlapped wrapped, and the aluminium-plastic tape is coated on
Block water expansion band outer layer longitudinal wrap aluminium-plastic tape.
6. rat-and-ant proof flame-retardant water-resistant power cable according to claim 1, which is characterized in that the fire resisting separation layer
Using high fire-retardance ceramic polyolefine material.
7. rat-and-ant proof flame-retardant water-resistant power cable according to claim 1, which is characterized in that the armor uses
Double-layer stainless steel steel band gap is wrapped, and clearance rate is not more than 40%.
8. rat-and-ant proof flame-retardant water-resistant power cable according to claim 1, which is characterized in that the restrictive coating uses
Low smoke, zero halogen polyolefine material is added with protection against rodents and termite-proof repellant in the restrictive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197748.3U CN209266071U (en) | 2019-02-14 | 2019-02-14 | A kind of rat-and-ant proof flame-retardant water-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197748.3U CN209266071U (en) | 2019-02-14 | 2019-02-14 | A kind of rat-and-ant proof flame-retardant water-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209266071U true CN209266071U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920197748.3U Active CN209266071U (en) | 2019-02-14 | 2019-02-14 | A kind of rat-and-ant proof flame-retardant water-resistant power cable |
Country Status (1)
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| CN (1) | CN209266071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767370A (en) * | 2019-11-29 | 2020-02-07 | 广西顺业线缆有限公司 | Rat-proof and termite-proof fireproof and waterproof photoelectric combined cable |
-
2019
- 2019-02-14 CN CN201920197748.3U patent/CN209266071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767370A (en) * | 2019-11-29 | 2020-02-07 | 广西顺业线缆有限公司 | Rat-proof and termite-proof fireproof and waterproof photoelectric combined cable |
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