CN205827988U - One is pressed fire-resisting cable - Google Patents
One is pressed fire-resisting cable Download PDFInfo
- Publication number
- CN205827988U CN205827988U CN201620825274.9U CN201620825274U CN205827988U CN 205827988 U CN205827988 U CN 205827988U CN 201620825274 U CN201620825274 U CN 201620825274U CN 205827988 U CN205827988 U CN 205827988U
- Authority
- CN
- China
- Prior art keywords
- fire
- resistant
- layer
- resisting cable
- flame retardant
- 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
One is pressed fire-resisting cable, it includes flame retardant coating and one or more insulated wire cores being arranged in flame retardant coating, described flame retardant coating includes fire-resistant insulating layer and is arranged at the fire-resistant armor of fire-resistant insulating layer outer surface, and this fire-resistant insulating layer is formed by multilamellar aerogel heat-insulating band is wrapped；It utilize low-density, high porosity, lower thermal conductivity new and effective heat preserving and insulating material aeroge as the fire-resistant insulating layer of cable thus the defect overcoming existing midium voltage cable can not meet fire resistant requirements, and overall structure is scientific and reasonable, lightweight, simple installation, use safety, non-environmental-pollution, has significant economic benefit and social benefit；It is widely used in connection power supply or the signal control use of FPE facility.
Description
Technical field
This utility model relates to pressing in one fire-resisting cable.
Background technology
Along with socioeconomic development, the use of power cable also gets more and more, and the safety problem of cable also becomes everybody
Focus of attention；Along with people are to environmental protection, the enhancing of security against fire consciousness, and socioeconomic high speed development, subway, tunnel
The place of the important job facilities such as road, power plant, nuclear power station and the densely populated place such as large supermarket, conference and exhibition center gets more and more,
The security performance of 6～35kV midium voltage cables is had higher requirement by this, it is desirable to cable remains to maintain one under flame conditions
The normal power supply of section time and communication, in order to escape and rescue, thus reducing casualties and property loss；But in due to
Pressure, the production technology of high tension cable itself and prescription are high, and middle pressure, high tension cable itself have high electric field intensity, because of
This is extremely difficult meets fire-resistant requirement, it is also not possible to as low-voltage cable at the outer wrapped mica tape of conductor thread core thus reach
Fire-resistant characteristic.
Summary of the invention
For above-mentioned situation, this utility model purpose is to provide in one presses fire-resisting cable, and it utilizes low-density, Gao Kong
Gap rate, the new and effective heat preserving and insulating material aeroge of lower thermal conductivity as the fire-resistant insulating layer of cable thus overcome existing middle pressure
Cable can not meet the defect of fire resistant requirements；And overall structure is scientific and reasonable, lightweight, simple installation, use safety, acyclic
Environment pollution, wide market, it is simple to promote the use of.
For realizing above-mentioned task, pressing fire-resisting cable in one, it includes flame retardant coating and one be arranged in flame retardant coating
Or many insulated wire cores, described flame retardant coating includes fire-resistant insulating layer and is arranged at the fire-resistant armor of fire-resistant insulating layer outer surface,
This fire-resistant insulating layer is formed by multilamellar aerogel heat-insulating band is wrapped.
For realizing this utility model structure, effect optimization, its further step: described every insulated wire cores includes from interior
To the conductor set gradually outward, conductor shield, insulating barrier, insulation screen, metal screen layer；This metal screen layer uses
The copper strips overlap of 0.1mm is wrapped to be formed.
Many insulated wire cores in described flame retardant coating are 2～5, and many arrange stranding between insulated wire cores and flame retardant coating
Lapping layer.
Described conductor is the circular stranded copper conductor pressed or aluminium conductor, and to press coefficient be 0.92.
Described conductor shield, insulating barrier and insulation screen use extrusion molding of three-layer co-extruding machine head.
Described conductor shield, insulating barrier and insulation screen are both needed to cross-link, and the degree of cross linking >=80%.
Described conductor shield and insulation screen are semiconductive material.
The thickness of described fire-resistant insulating layer is 3～6mm.
Described fire-resistant armor uses that double-deck galvanized steel strip gap is wrapped forms.
Arranging restrictive coating outside described fire-resistant armor, this restrictive coating uses low-smoke halide-free fireproof composite polyolefine material.
Pressing fire-resisting cable in this utility model one, it includes setting gradually from outside to inside restrictive coating, fire-resistant armor, resistance to
Fire insulating layer and one or more insulated wire cores；Every insulated wire cores includes conductor, the conductor screen set gradually from the inside to the outside
Covering layer, insulating barrier, insulation screen, metal screen layer, this fire-resistant insulating layer is by the wrapped skill of multilamellar aerogel heat-insulating band
Art scheme；It utilizes resistance to as cable of new and effective heat preserving and insulating material aeroge of low-density, high porosity, lower thermal conductivity
Fire insulating layer thus overcome existing midium voltage cable can not meet the defect of fire resistant requirements, and overall structure is scientific and reasonable, weight
Gently, simple installation, use safety, non-environmental-pollution, there is significant economic benefit and social benefit.
This utility model produced beneficial effect compared to existing technology:
I, the aerogel heat-insulating band that this utility model uses is a kind of heat preserving and insulating material flexible, new and effective, be based on
Nanometer micropore principle is also processed into through special process, and this material has ultralow heat conductivity, super insulation performance, low heat capacity
Amount, excellent pull resistance, heat stability and high hydrophobic, overall fire prevention reaches A level and does not fires, and takes into account safe and environment-friendly, nontoxic etc. all
Many characteristics；
II, this utility model uses aerogel heat-insulating band to make fire-resistant insulating layer, the heat stability excellent because of it and high hydrophobic
Property, can make cable can in the case of 750 DEG C of burn, fire-fighting spraying, vibrations continued power, thus effectively reduce personnel wound
Die and property loss；
III, the aerogel heat-insulating band that this utility model uses is lightweight, good heat-insulation effect, and softness and construction usage are convenient,
Will not discharge harmful and noxious substance in high temperature and the scene of a fire, environment friendly and pollution-free, cable security performance is high, can be widely used for preventing fires resistance to
The occasion that fire class requirement is higher；
IV, armor of the present utility model uses that double-deck galvanized steel strip gap is wrapped forms, after overall parcel cable, and can
Play the mechanical protection to fire-resistant insulating layer, isolation flame impingement, the effect of Quick uniform heat conduction can be played again；
V, restrictive coating of the present utility model uses low-smoke halide-free fireproof composite polyolefine material, belongs to environmental protection flame retardant antioxidative
Material, non-environmental-pollution, and there is the features such as good high-low temperature resistant, wear-resisting, solvent resistant, fire-retardant, aging resistance, it is effectively increased
Service life.
This utility model is widely used in connection power supply or the signal control use of FPE facility.
Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structure sectional view of the present utility model.
In figure: 1-conductor, 2-conductor shield, 3-insulating barrier, 4-insulation screen, 5-metal screen layer, 6-stranding around
Covering, the fire-resistant insulating layer of 7-, the fire-resistant armor of 8-, 9-restrictive coating, 10-oversheath.
Detailed description of the invention
Referring to the drawings, this utility model is achieved in that in one pressure fire-resisting cable, and it includes flame retardant coating and setting
One or more insulated wire cores in flame retardant coating；Described flame retardant coating includes fire-resistant insulating layer and is arranged at fire-resistant insulating layer appearance
The fire-resistant armor in face, this fire-resistant insulating layer is formed and its thickness is 3～6mm, this airsetting by multilamellar aerogel heat-insulating band is wrapped
Glue insulating band is a kind of heat preserving and insulating material flexible, new and effective, is based on nanometer micropore principle and through special process processing system
Becoming, this material has ultralow heat conductivity, super insulation performance, and low heat capacity, excellent pull resistance, heat stability and height are hated
Aqueous, overall fire prevention reaches A level and does not fires, and takes into account many characteristics such as safe and environment-friendly, nontoxic, and preferential employing silica aerogel is made fire-resistant
Insulating layer；Described fire-resistant armor uses that double-deck galvanized steel strip gap is wrapped forms, and can play the machinery to fire-resistant insulating layer
Protection, can play again isolation flame impingement, the effect of Quick uniform heat conduction.
As it is shown in figure 1, every insulated wire cores of the present utility model includes conductor, the conductor shielding set gradually from the inside to the outside
Layer, insulating barrier, insulation screen, metal screen layer；Described conductor shield and insulation screen are semiconductive material, described
The copper strips overlap of metal screen layer employing 0.1mm is wrapped to be formed, and can shield electric jamming, equalize electric field, it is ensured that insulation shielding
(semi-conductive screen) is earth potential (neutral point), also can ensure that earth-fault current passes through；Described conductor presses for circle is stranded
Copper conductor or aluminium conductor, and to press coefficient be 0.92；Described conductor shield, insulating barrier and insulation screen use three layers altogether
Squeeze extrusion molding of head, and this conductor shield, insulating barrier and insulation screen be both needed to cross-link at high temperature under high pressure,
And the degree of cross linking >=80%.
With reference to accompanying drawing, many insulated wire cores in flame retardant coating of the present utility model are 2～5, and many insulated wire cores with
Arranging stranding lapping layer between flame retardant coating, this stranding lapping layer includes the gap filling between many insulated wire cores is contained water suction
The inserts of resin, the most wrapped alkali-free glass fibre band, this glass fiber tape environment-protecting asepsis, and there is high temperature resistant and fire line
Can, heat-proof quality is excellent；Arranging restrictive coating outside described flame retardant coating, this restrictive coating uses low-smoke halide-free fireproof composite polyolefine material, institute
Stating and can arrange oversheath outside restrictive coating again, this oversheath uses resistant to elevated temperatures perfluoroethylene-propylene to extrude and forms.
In conjunction with accompanying drawing, embodiment one of the present utility model: a kind of single-core medium-voltage fire-resisting cable, it includes the most successively
Restrictive coating, fire-resistant armor, fire-resistant insulating layer and an insulated wire cores are set；This insulated wire cores includes the most successively
The conductor of setting, conductor shield, insulating barrier, insulation screen, metal screen layer；This metal screen layer uses the copper of 0.1mm
Band is overlapping wrapped to be formed, and this conductor is the circular stranded copper conductor pressed or aluminium conductor, and to press coefficient be 0.92；This conductor screen
Cover layer, insulating barrier and insulation screen and use extrusion molding of three-layer co-extruding machine head, and be both needed to hand at high temperature under high pressure
Connection, and the degree of cross linking >=80%；This fire-resistant insulating layer is formed and its thickness is 3～6mm by multilamellar aerogel heat-insulating band is wrapped, and this is resistance to
Fire armor uses that double-deck galvanized steel strip gap is wrapped forms, and this restrictive coating uses low-smoke halide-free fireproof composite polyolefine material.
In conjunction with accompanying drawing, embodiment two of the present utility model: pressing fire-resisting cable in a kind of three cores, it includes the most successively
Restrictive coating, fire-resistant armor, fire-resistant insulating layer, stranding lapping layer and three insulated wire cores are set；Every insulated wire cores includes
The conductor that sets gradually from the inside to the outside, conductor shield, insulating barrier, insulation screen, metal screen layer；This metal screen layer is adopted
Wrapped forming with the copper strips of 0.1mm is overlapping, this conductor is the circular stranded copper conductor pressed or aluminium conductor, and presses coefficient and be
0.92；This conductor shield, insulating barrier and insulation screen use extrusion molding of three-layer co-extruding machine head, and are both needed at high temperature
Cross-link under high pressure, and the degree of cross linking >=80%；This stranding lapping layer includes containing the gap filling between three insulated wire cores
There are the inserts of water-absorbing resin, the most wrapped alkali-free glass fibre band；This fire-resistant insulating layer is wrapped by multilamellar aerogel heat-insulating band
Forming and its thickness is 3～6mm, this fire-resistant armor uses that double-deck galvanized steel strip gap is wrapped forms, and this restrictive coating uses low
Cigarette halogen-free anti-flaming polyolefin material, can arrange oversheath, it is possible to be not provided with oversheath outside restrictive coating.
This utility model also provides for the manufacture method of a kind of middle pressure fire-resisting cable, comprises the following steps: 1. by many copper wires
Or aluminium wire is stranded and presses molding, is formed and presses circular copper conductors or aluminium conductor；2. use three-layer co-extruded stretched wire production line tightly
Pressure round conductor last time extrusion conductor shield, insulating barrier, insulation screen；3. use metallic shield winding machine at covered wire
Wrapped copper strips on core, forms insulated wire cores；4. by three insulated wire cores strandings on cabling machine, cable core is formed into；⑤
Use winding machine becoming the thick aerogel heat-insulating band of cable core outer wrapped 3～6mm, form fire-resistant insulating layer；6. in fire-resistant thermal insulation
Around steel band of double-baging on Ceng, form fire-resistant armor；7. outside fire-resistant armor, extrude one layer of low smoke halogen-free flame-retardant polyolefin make
Sheath material, ultimately forms middle pressure fire-resisting cable.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations；All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. one kind is pressed fire-resisting cable, it is characterised in that include flame retardant coating and one or more insulation being arranged in flame retardant coating
Core, described flame retardant coating includes fire-resistant insulating layer and is arranged at the fire-resistant armor of fire-resistant insulating layer outer surface, this fire-resistant thermal insulation
Layer is formed by multilamellar aerogel heat-insulating band is wrapped.
One the most according to claim 1 is pressed fire-resisting cable, it is characterised in that described every insulated wire cores includes from interior
To the conductor set gradually outward, conductor shield, insulating barrier, insulation screen, metal screen layer；This metal screen layer uses
The copper strips overlap of 0.1mm is wrapped to be formed.
One the most according to claim 1 is pressed fire-resisting cable, it is characterised in that many covered wires in described flame retardant coating
Core is 2～5, and many arrange stranding lapping layer between insulated wire cores and flame retardant coating.
One the most according to claim 2 is pressed fire-resisting cable, it is characterised in that described conductor is that circle is stranded to press
Copper conductor or aluminium conductor, and to press coefficient be 0.92.
One the most according to claim 2 is pressed fire-resisting cable, it is characterised in that described conductor shield, insulating barrier and absolutely
Edge screen layer uses extrusion molding of three-layer co-extruding machine head.
One the most according to claim 2 is pressed fire-resisting cable, it is characterised in that described conductor shield, insulating barrier and absolutely
Edge screen layer is both needed to cross-link, and the degree of cross linking >=80%.
One the most according to claim 2 is pressed fire-resisting cable, it is characterised in that described conductor shield and insulation shielding
Layer is semiconductive material.
In one the most according to claim 1 press fire-resisting cable, it is characterised in that the thickness of described fire-resistant insulating layer be 3～
6mm。
One the most according to claim 1 is pressed fire-resisting cable, it is characterised in that described fire-resistant armor uses duplex plating
Zinc steel band gap is wrapped to be formed.
One the most according to claim 1 is pressed fire-resisting cable, it is characterised in that outside described fire-resistant armor, sheath is set
Layer, this restrictive coating uses low-smoke halide-free fireproof composite polyolefine material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825274.9U CN205827988U (en) | 2016-08-01 | 2016-08-01 | One is pressed fire-resisting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825274.9U CN205827988U (en) | 2016-08-01 | 2016-08-01 | One is pressed fire-resisting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205827988U true CN205827988U (en) | 2016-12-21 |
Family
ID=57557014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620825274.9U Expired - Fee Related CN205827988U (en) | 2016-08-01 | 2016-08-01 | One is pressed fire-resisting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205827988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116705409A (en) * | 2023-08-03 | 2023-09-05 | 湖南华菱线缆股份有限公司 | Medium-voltage fireproof cable |
-
2016
- 2016-08-01 CN CN201620825274.9U patent/CN205827988U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116705409A (en) * | 2023-08-03 | 2023-09-05 | 湖南华菱线缆股份有限公司 | Medium-voltage fireproof cable |
| CN116705409B (en) * | 2023-08-03 | 2023-09-29 | 湖南华菱线缆股份有限公司 | Medium-voltage fireproof cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206639628U (en) | A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable | |
| CN211907047U (en) | Energy-saving environment-friendly high-flame-retardant high-fire-resistant cable | |
| CN108630341A (en) | Pressure crane cable and preparation method thereof in a kind of intelligent testing warm type optical fiber composite fire-proof | |
| CN206388542U (en) | A kind of square cable for rolling stock | |
| CN204229893U (en) | A kind of fire-proof medium-voltage cable | |
| CN203338847U (en) | Medium-voltage fire-resisting power cable | |
| CN209374085U (en) | CM grades of fire-retarded fiber communication lines | |
| CN203102901U (en) | Novel halogen-free low-smoke flame-retardant fire-resistant control cable for rail traffic | |
| CN104810094A (en) | Crosslinked polyethylene insulating and refractory armored cable with rated voltage of 10 KV and manufacturing method thereof | |
| CN202796224U (en) | Medium-voltage fire-proof power cable | |
| CN205827988U (en) | One is pressed fire-resisting cable | |
| CN206672703U (en) | The fire-retardant composite power cable of copper core low smoke, zero halogen copper strips armouring | |
| CN203406054U (en) | Fireproof aluminum conductor cable | |
| CN105976913A (en) | Improved-type medium-voltage fireproof power cable | |
| CN208077662U (en) | A kind of extruded insulation fireproof power cable | |
| CN205943517U (en) | Fire -resistant power cable of improved generation middling pressure | |
| CN206877752U (en) | A kind of fire-retardant waterproofing type optoelectronic composite cable of colliery central tubular | |
| CN105070394A (en) | Fire-proof and fire-resistant medium-voltage power cable | |
| CN206363798U (en) | A kind of fire proof power cable | |
| CN206312616U (en) | Fireproof power cable is pressed in a kind of high fire-retardance | |
| CN205376186U (en) | Fine compound medium voltage cable of resistant firelight | |
| CN205028715U (en) | Novel flame resistant cable | |
| CN210692124U (en) | Transposition equipment of polyethylene high flame retardant power cable | |
| CN203102990U (en) | Novel halogen-free low-smoke flame-retardant fire-resistant power cable for rail traffic | |
| CN203433876U (en) | Low-smoke halogen-free control cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161221 Termination date: 20190801 |