CN208444655U - 35kV and following three core power cable of subitem fireproof - Google Patents
35kV and following three core power cable of subitem fireproof Download PDFInfo
- Publication number
- CN208444655U CN208444655U CN201821131555.XU CN201821131555U CN208444655U CN 208444655 U CN208444655 U CN 208444655U CN 201821131555 U CN201821131555 U CN 201821131555U CN 208444655 U CN208444655 U CN 208444655U
- Authority
- CN
- China
- Prior art keywords
- band
- outside
- subitem
- fire resisting
- packet
- 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.)
- Expired - Fee Related
Links
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a kind of 35kV and following three core power cables of subitem fireproof, solve the deficiencies in the prior art, technical solution are as follows: including three cable cores, three cable cores are packaged in ceramic fire resisting composite band, the outside packet of ceramic fire resisting composite band is equipped with inner sheath, the outside packet of inner sheath is equipped with armor, the outside packet of armor is equipped with halogen-free low-smoke high-flame band, the outside packet of halogen-free low-smoke high-flame band is equipped with oversheath, cable core includes copper conductor, conductor shield, insulating layer, insulation screen, semi-conductive buffer water-blocking band, metal screen layer and subitem ceramic fire resisting composite band, the outside packet of copper conductor is equipped with conductor shield, the outside packet of conductor shield is equipped with insulating layer, the outside packet of insulating layer is equipped with insulation screen, the outside packet of insulation screen is equipped with semi-conductive buffer water-blocking band, semiconductive The outside packet of buffer water-blocking band is equipped with metal screen layer, and packet is equipped with subitem ceramic fire resisting composite band on the outside of metal screen layer.
Description
Technical field
The utility model relates to a kind of cables, and in particular to three core electric power electricity of a kind of 35kV and following subitem fireproof
Cable.
Background technique
Used fire-resisting cable fire protecting performance is low currently on the market, can only be by 90 minutes at a temperature of 750-800 degree
Fire resistance test studies cable fire-proof structure designing technique to reach higher fire resisting running temperature and longer energization escape time
And solve ceramic polyolefin jacket material extrude or wrapped ceramic fireproof composite band technology come guarantee occur fire when,
Continue to operate normally at least 3 hours at a high temperature of 1150-1200 DEG C, still can keep insulation performance within a certain period of time, guarantees
Keep route integrality imperative when fire.
Utility model content
Utility model aims to solve the above-mentioned prior arts can only pass through 90 minutes resistance at a temperature of 750-800 degree
The problem of fire test, provide a kind of 35kV and following three core power cable of subitem fireproof.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of 35kV and following subitem fireproof
Three core power cables, including three cable cores, three cable cores are packaged in ceramic fire resisting composite band, ceramic fire resisting composite band
Outside packet is equipped with inner sheath, and the outside packet of inner sheath is equipped with armor, and the outside packet of the armor is equipped with low smoke, zero halogen high resistant
Band is fired, the outside packet of the halogen-free low-smoke high-flame band is equipped with oversheath, and the cable core includes copper conductor, conductor shielding
Layer, insulating layer, insulation screen, semi-conductive buffer water-blocking band, metal screen layer and subitem ceramic fire resisting composite band, copper conductor
Outside packet be equipped with conductor shield, conductor shield outside packet be equipped with insulating layer, insulating layer outside packet be equipped with insulation screen
Layer is covered, the outside packet of insulation screen is equipped with semi-conductive buffer water-blocking band, and the outside packet of semi-conductive buffer water-blocking band is equipped with metal
Shielded layer, metal screen layer outside packet is equipped with subitem ceramic fire resisting composite band, between cable core and ceramic fire resisting composite band
It fills out in gap equipped with glass cord.The utility model wrapped one layer of 2.0mm high-temperature buffer band and copper strips screen outside insulation shielding
Rear 0.8mm ceramic fireproof composite band is covered, heat-insulated effect is played, prevents insulated wire cores by high temperature deformation；It is filled out when stranding
It fills using glass cord, plays the effect of refractory heat-insulating；The wrapped four layers of ceramic fire resisting fire prevention composite band of stranding, plays fire resisting
Effect, after burning, crust speed is fast, crusts very rigid, closely knit, and horizontal firing can not prolong combustion with self-extinguishment, and low smoke and zero halogen hinders
Combustion polyolefin jacket plays the effect of high fire-retardance and environmental protection；Oversheath uses resistant environmental low-smoke halogen-free flame polyolefin jacket,
Play the role of environment-friendly type and high fire-retardance.
Preferably, the thickness of the insulating layer is at least twice of conductor shield thickness.
Preferably, semi-conductive buffer water-blocking band is the semi-conductive buffer water-blocking band of single layer 2.0mm；Subitem ceramic fire resisting
Composite band is with a thickness of 0.8mm.
Preferably, three cable cores are packaged in four layers of ceramic fire resisting composite band.
The substantial effect of the utility model is: wrapped one layer of 2.0mm high-temperature buffer band and copper strips screen outside insulation shielding
Rear 0.8mm ceramic fireproof composite band is covered, heat-insulated effect is played, prevents insulated wire cores by high temperature deformation；It is filled out when stranding
It fills using glass cord, plays the effect of refractory heat-insulating；The wrapped four layers of ceramic fire resisting fire prevention composite band of stranding, plays fire resisting
Effect, after burning, crust speed is fast, crusts very rigid, closely knit, and horizontal firing can not prolong combustion with self-extinguishment, and low smoke and zero halogen hinders
Combustion polyolefin jacket plays the effect of high fire-retardance and environmental protection；Oversheath uses resistant environmental low-smoke halogen-free flame polyolefin jacket,
Play the role of environment-friendly type and high fire-retardance.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure: 1, copper conductor, 2, conductor shield, 3, insulating layer, 4, insulation screen, 5, semi-conductive buffer water-blocking band,
6, metal screen layer, 7, subitem ceramic fire resisting composite band, 8, glass cord, 9, ceramic fire resisting composite band, 10, interior shield
Set, 11, armor, 12, halogen-free low-smoke high-flame band, 13, oversheath.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment:
Three core power cable (referring to attached drawing 1) of a kind of 35kV and following subitem fireproof, including three cable cores, three cables
Core is packaged in ceramic fire resisting composite band 9, and the outside packet of ceramic fire resisting composite band is equipped with inner sheath 10, the outside of inner sheath
Packet is equipped with armor 11, and the outside packet of the armor is equipped with halogen-free low-smoke high-flame band 12, the halogen-free low-smoke high-flame band
Outside packet be equipped with oversheath 13, the cable core include copper conductor 1, conductor shield 2, insulating layer 3, insulation screen 4,
The outside packet of semi-conductive buffer water-blocking band 5, metal screen layer 6 and subitem ceramic fire resisting composite band 7, copper conductor is equipped with conductor screen
Layer is covered, the outside packet of conductor shield is equipped with insulating layer, and the outside of insulating layer, which is wrapped, is equipped with insulation screen, outside insulation screen
Side packet is equipped with semi-conductive buffer water-blocking band, and the outside of semi-conductive buffer water-blocking band, which is wrapped, is equipped with metal screen layer, outside metal screen layer
Side packet is equipped with subitem ceramic fire resisting composite band, fills out in the gap between cable core and ceramic fire resisting composite band equipped with glass fibre
Rope 8.The thickness of the insulating layer is at least twice of conductor shield thickness.Semi-conductive buffer water-blocking band is single layer 2.0mm's
Semi-conductive buffer water-blocking band；Ceramic fire resisting composite band of itemizing is with a thickness of 0.8mm.Three cable cores are packaged in four layers of ceramic fire resisting
In composite band.Inner sheath and oversheath are halogen-free and low-smoke flame-retardant polyolefin sheathed.
The present embodiment 0.8mm ceramics chemoprevention after wrapped one layer of 2.0mm high-temperature buffer band and copper strip shielding outside insulation shielding
Fiery fire resisting composite band, plays heat-insulated effect, prevents insulated wire cores by high temperature deformation；Filling uses glass cord when stranding,
Play the effect of refractory heat-insulating；The wrapped four layers of ceramic fire resisting fire prevention composite band of stranding, plays the effect of fire resisting, after burning, knot
Shell speed is fast, crusts very rigid, closely knit, horizontal firing can not prolong combustion with self-extinguishment, and low-smoke and halogen-free flame retardant polyolefin jacket plays
The effect of high fire-retardance and environmental protection；Oversheath uses resistant environmental low-smoke halogen-free flame polyolefin jacket, plays environment-friendly type and height
Fire-retardant effect.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (4)
1. a kind of 35kV and following three core power cable of subitem fireproof, it is characterised in that: including three cable cores, three cable cores
It is packaged in ceramic fire resisting composite band, the outside packet of ceramic fire resisting composite band is equipped with inner sheath, and the outside packet of inner sheath is set
There is armor, the outside packet of the armor is equipped with halogen-free low-smoke high-flame band, and the outside of the halogen-free low-smoke high-flame band is wrapped
Equipped with oversheath, the cable core includes that copper conductor, conductor shield, insulating layer, insulation screen, semi-conductive buffer block water
The outside packet of band, metal screen layer and subitem ceramic fire resisting composite band, copper conductor is equipped with conductor shield, conductor shield
Outside packet is equipped with insulating layer, and the outside packet of insulating layer is equipped with insulation screen, and the outside packet of insulation screen is slow equipped with semiconductive
Waterstop is rushed, the outside packet of semi-conductive buffer water-blocking band is equipped with metal screen layer, and packet is equipped with subitem ceramics on the outside of metal screen layer
Change fire resisting composite band, fills out in the gap between cable core and ceramic fire resisting composite band equipped with glass cord.
2. 35kV according to claim 1 and following three core power cable of subitem fireproof, it is characterised in that: described exhausted
The thickness of edge layer is at least twice of conductor shield thickness.
3. 35kV according to claim 1 and following three core power cable of subitem fireproof, it is characterised in that: semiconductive
Buffer water-blocking band is the semi-conductive buffer water-blocking band of single layer 2.0mm；Ceramic fire resisting composite band of itemizing is with a thickness of 0.8mm.
4. 35kV according to claim 1 and following three core power cable of subitem fireproof, it is characterised in that: three cables
Core is packaged in four layers of ceramic fire resisting composite band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131555.XU CN208444655U (en) | 2018-07-17 | 2018-07-17 | 35kV and following three core power cable of subitem fireproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131555.XU CN208444655U (en) | 2018-07-17 | 2018-07-17 | 35kV and following three core power cable of subitem fireproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208444655U true CN208444655U (en) | 2019-01-29 |
Family
ID=65086568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821131555.XU Expired - Fee Related CN208444655U (en) | 2018-07-17 | 2018-07-17 | 35kV and following three core power cable of subitem fireproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208444655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841329A (en) * | 2019-03-28 | 2019-06-04 | 四川鑫电电缆有限公司 | Fire-resisting cable is pressed in new ceramics low bulk isolated form |
-
2018
- 2018-07-17 CN CN201821131555.XU patent/CN208444655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841329A (en) * | 2019-03-28 | 2019-06-04 | 四川鑫电电缆有限公司 | Fire-resisting cable is pressed in new ceramics low bulk isolated form |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203503356U (en) | Flexible fireproof cable | |
| CN204332473U (en) | New ceramics SiClx rubber strip fireproof environment-friendly type three-core cable | |
| CN202796113U (en) | Fire-insulating type low-smoke and halogen-free fire-resisting cable | |
| CN208444655U (en) | 35kV and following three core power cable of subitem fireproof | |
| CN211062505U (en) | Fireproof power cable | |
| CN211045061U (en) | Fireproof control cable | |
| CN208622457U (en) | A kind of subway fire prevention signal cable | |
| CN114783666B (en) | Anti-impact fire-resistant cable and preparation method thereof | |
| CN207718911U (en) | A kind of ceramic polyolefin fire resistant flame retardant cable | |
| CN105070394A (en) | Fire-proof and fire-resistant medium-voltage power cable | |
| CN206075919U (en) | A kind of fire-resisting cable | |
| CN105810334A (en) | Nano smoke-suppressant flame-retardant cable and manufacturing method thereof | |
| CN209461198U (en) | Intelligent early-warning mineral insulating flexible fireproof cable | |
| CN208689987U (en) | 35kV and the following explosion-proof three-core cable of petroleum and petrochemical industry fire resisting | |
| CN204463901U (en) | A kind of nanometer smoke-inhibiting flame retardant fire-resisting cable | |
| CN208400602U (en) | Fire-resisting cable is pressed in a kind of high fire-retardance minerals refuge floor | |
| CN209071038U (en) | A kind of high fire-retardance safety cable | |
| CN209912584U (en) | Inorganic mineral insulation fire-resistant cable filled with fireproof mud | |
| CN208834794U (en) | A kind of high-performance refractory fire resisting environmental protection medium-pressure power cable | |
| CN207337997U (en) | A kind of resistance to spray can ceramic fire-resisting cable | |
| CN202796162U (en) | Fire-retarding type halogen-free low-smoke fire-resistant cable | |
| CN111667944A (en) | Water-blocking fireproof special cable | |
| CN206541661U (en) | A kind of polyvinyl chloride insulation sheath fireproof power cable | |
| CN208689986U (en) | 35kV and the following explosion-proof single-core cable of petroleum and petrochemical industry fire resisting | |
| CN206021966U (en) | A kind of mineral fireproof cable of anti-cutting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |