CN206639650U - A kind of fire-retardant composite power cable - Google Patents
A kind of fire-retardant composite power cable Download PDFInfo
- Publication number
- CN206639650U CN206639650U CN201720433853.3U CN201720433853U CN206639650U CN 206639650 U CN206639650 U CN 206639650U CN 201720433853 U CN201720433853 U CN 201720433853U CN 206639650 U CN206639650 U CN 206639650U
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- circular
- fire
- outside
- core
- conductor
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Abstract
The utility model discloses a kind of fire-retardant composite power cable, including circular cable core, the cable core is closed and formed by a fan-shaped control conductor, a fan-shaped insulated wire cores, the fire-retardant core of a sector and a fan-shaped optical fiber core group；Aluminium foil layer is provided with outside cable core；Outer conductor layer is externally provided with aluminium foil layer, metal armor layers, polyethylene outer sheath are sequentially provided with outside outer conductor layer；Finally, polyurethane thermal pipe is cased with outside polyethylene outer sheath.There is the utility model intensity height, impact resistance, the prestressing force of resistance to environmental aging to split, be corrosion-resistant, be low temperature resistant, easy welding, easy construction, strict sealing ne-leakage, also with unit weight is light, intensity is high, adiabatic, sound insulation, fire-retardant, cold-resistant, anti-corrosion, does not absorb water, the excellent characteristics such as simple and quick construction.
Description
Technical field
Cable conductor field is the utility model is related to, specifically a kind of fire-retardant composite power cable of two-conductor structure.
Background technology
With taking place frequently for fire incident, people, which are recognized electric wire fire risk, constantly to deepen, and relevant department is to electricity
The requirement of the performances such as line fireproofing and block burn of cable also more and more higher.Because cable fire has, sprawling is fast, it is difficult to put out a fire to save life and property, produces secondary danger
Evil, the features such as recovery time is long, can bring huge loss to the lives and properties of national economy and the people.Therefore people couple
The fire-retardant of electric wire, fire performance, security reliability propose harsher service condition.Such as fire prevention, explosion-proof, overload energy
Power is strong, and service life length, under Fire Conditions, Fire lift, fire pump need to keep the normal operation in certain time, and cable exists
Low-smoke low-halogen low toxicity after burning, or even the particular/special requirements such as smokeless halogen-free is nontoxic.Cable-flame retardant, fire prevention measure are to reduce ignition of cable
Prolong the important means of combustion, key is being relied mainly on prevention, and all kinds of flame retardant cables, fire-resisting cable, fireproof cable are used widely.
Burning, which occurs, for any material must all possess following three conditions：Combustible, oxidant and temperature（Ignition source）.It is empty
The oxygen contained in gas is a kind of oxidant, and therefore, in Cable Construction Design, sky is reduced in gap with this between reducing cable
The presence of gas is a kind of conventional method, and therefore, prior art is frequently with setting glass cord, glass fibers in being filled in cable
Fire-retardant or refractory material the methods such as band, mica tape, asbestos cord are tieed up, fire-retardant, the fire resistance of cable can be improved.In order to reduce
Gap between core, also usually uses sector conductor in the prior art, and extruded insulation forms stranding after segment conductor-core, can made
Gap is minimized between core, but the gap between sheath still has.Especially the processing of sector conductor was producing
Many problems and drawback in journey be present：First, technology difficulty is big, it is right in order to meet the enough flexibilities of sector conductor and stability
The design of conductor structure, moulds of industrial equipment, the characteristic requirements of equipment are higher；Second, to prevent moisture penetrates into from wanting conductor to adopt
With compact conductor, to improve the fill factor of wire, reduced outside diameter reduces gap between conductor, and to be sector press sector conductor,
Every layer of shape is different, the difficulty increase pressed；Third, easily electric field is caused to be concentrated in each angle process of sector conductor
With damage cable insulation.
With the rapid development of information industry, Intellectual district has turned into the development trend of modern architecture, by by
The comprehensive wiring system of the compositions such as composite cable is the communication in intelligent construction, computer and various equipment and facility, one
Comprehensive wiring system is included under conditions of fixed, is interconnected to form complete supporting entirety, to realize highly intelligentized requirement.
Therefore often require that power cable, control cable and optical fiber progress is compound.
Utility model content
The utility model is in order to solve problems of the prior art, there is provided a kind of unit weight is light, intensity is high, it is adiabatic,
Sound insulation, fire-retardant, cold-resistant, anti-corrosion, do not absorb water, the fire-retardant composite power cable of simple and quick construction.
A kind of fire-retardant composite power cable described in the utility model, including circular cable core, the cable core is by a fan-shaped control
Core, a fan-shaped insulated wire cores, the fire-retardant core of a sector and a fan-shaped optical fiber core group processed close to be formed；Outside cable core
It is provided with aluminium foil layer；Outer conductor layer is externally provided with aluminium foil layer, metal armor layers, outer protective polyethylene are sequentially provided with outside outer conductor layer
Set；Finally, polyurethane thermal pipe is cased with outside polyethylene outer sheath；Described outer conductor layer includes shielding inhibiting tape, shielding resistance
Combustion band is provided with four axisymmetric round insulation cores up and down, in the round insulation core above shielding inhibiting tape
And between the round insulation core of shielding inhibiting tape left and in the round insulation core below shielding inhibiting tape
And a pair of symmetrical circular fire-retardant cores are provided between the round insulation core of shielding inhibiting tape right；Hindered positioned at shielding
Fire the round insulation core with top and hindered between round insulation core of the shielding inhibiting tape by side and positioned at shielding
Fire the round insulation core with lower section and a pair of symmetrical circles are provided between the round insulation core of shielding inhibiting tape left
Shape control conductor.
Further improve, described fan-shaped control conductor is by circular control conductor, the circle being extruded in outside circular control conductor
Shape controls insulating barrier and the wrapped fan-shaped screen layer outside circular control insulating barrier to form.
Further improve, described fan-shaped insulated wire cores are by circular aluminium conductor, the first circle being extruded in outside circular aluminium conductor
Shape insulating barrier, the wrapped glass fibre belt outside the first circular insulating layer and the wrapped fan-shaped screen layer outside glass fibre belt are formed.
Further improve, described fan-shaped fire-retardant core is by circular copper conductors, the second circle being extruded in outside circular copper conductors
Shape insulating barrier and the wrapped fan-shaped screen layer outside the second circular insulating layer are formed.
Further improve, described fan-shaped optical fiber cable core is made up of optical fiber and the wrapped fan-shaped screen layer outside optical fiber.
Further improve, described circular control conductor is by circle control conductor and is extruded in outside circular control conductor
Circular insulating layer is formed.
Further improve, described round insulation core is by circular aluminium conductor, the first circle being extruded in outside circular aluminium conductor
Shape insulating barrier and the wrapped glass fibre belt outside the first circular insulating layer are formed.
Further improve, described circular fire-retardant core by circular copper conductors and be extruded in outside circular copper conductors second
Circular insulating layer is formed.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model carries control conductor, can be with simultaneous transmission electric power and control signal, with optical fiber cable core, can be with
Simultaneous transmission electric power and transmission signal, realize photoelectricity transmission, realize a kind of composite cable structure.
2nd, the cable core of cable is combined by multiple cores for sector structure, compact-sized, gap between segment conductor-core
It is very little, it is not necessary to using glass cord, glass fiber tape, mica tape, asbestos cord etc. be fire-retardant or refractory material is carried out
Filling, reduces production cost, flame-retardant dependable performance.
3rd, provided with inner and outer conductor, electromagnetic energy is confined to the media between internal and external conductor, therefore with decay
Small, shielding properties is high.
4th, when outer conductor is grounded, external electric field does not interfere with inside, and internal electric field does not interfere with outside yet, so coaxial electrical
Cable outer conductor ground connection has the benefit that shielding internal/external signal interferes with each other, and can improve signal quality, and improve signal transmission rate.
5th, it is used for reducing interference of the outer bound pair irrelevant signal to transmission signal using the seal and shielding of aluminium foil, moreover it is possible to
Increase the electric conductivity of conductor, the current-carrying capacity of wire in itself can be slowed down.
6th, using polyethylene outer sheath addition polymerization urethane composite thermal-insulating pipe so that cable has intensity height, impact resistance, resistance to environment
Aging prestressing force splits, is corrosion-resistant, is low temperature resistant, easy welding, easy construction, ne-leakage is strictly sealed, also with unit weight is light, intensity
Height, thermal insulation, sound insulation, fire-retardant, cold-resistant, anti-corrosion, not absorbing water, the excellent characteristics such as simple and quick construction, adaptive temperature is+120 DEG C--
196 DEG C so that cable, because icing causes communication signal transmissions to interrupt, causes the economic loss that can not be saved in ice and snow weather.
7th, in laying, it is not necessary to build huge trench by laying bricks or stones, insulating tube only need to be buried to people underground, therefore greatly reduce work
Journey is taken up an area, and reduces earthwork excavated volume about more than 50%, is reduced civil engineering and is built by laying bricks or stones and amount of concrete 90%.Meanwhile insulating tube processing and
The parallel progress of live ditching, only needs field joint, can shorten the duration about more than 50%.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of fire-retardant composite power cable as shown in Figure 1, including circular cable core, the cable core is by a fan-shaped control line
Core, a fan-shaped insulated wire cores, the fire-retardant core of a sector and a fan-shaped optical fiber core group close to be formed；Set outside cable core
There is aluminium foil layer 10；Outer conductor layer is externally provided with aluminium foil layer, metal armor layers 11, outer protective polyethylene are sequentially provided with outside outer conductor layer
Set 12；Finally, polyurethane thermal pipe 13 is cased with outside polyethylene outer sheath；Described outer conductor layer includes shielding inhibiting tape 14,
Shielding inhibiting tape is provided with four axisymmetric round insulation cores up and down, in the circle above shielding inhibiting tape absolutely
Edge core and between the round insulation core of shielding inhibiting tape left and in the circle below shielding inhibiting tape absolutely
Edge core and a pair of symmetrical circular fire-retardant cores are provided between the round insulation core of shielding inhibiting tape right；Positioned at
Shield inhibiting tape above round insulation core and positioned at shielding inhibiting tape by side round insulation core between and positioned at
Shield the round insulation core below inhibiting tape and be provided with a pair pairs between the round insulation core of shielding inhibiting tape left
The circular control conductor of title.
Wherein, described fan-shaped insulated wire cores are by circular aluminium conductor 1, the first round insulation being extruded in outside circular aluminium conductor
Layer 2, the wrapped glass fibre belt 3 outside the first circular insulating layer and the wrapped fan-shaped screen layer 9 outside glass fibre belt are formed；Described
Fan-shaped control conductor is by circular control conductor 4, the circular control insulating barrier 5 being extruded in outside circular control conductor and wrapped in circle
Fan-shaped screen layer 9 outside shape control insulating barrier is formed；Described fan-shaped fire-retardant core by circular copper conductors 6, be extruded in circular copper
The second circular insulating layer 7 and the wrapped fan-shaped screen layer 9 outside the second circular insulating layer outside conductor are formed；Described sector
Optical fiber cable core is made up of optical fiber 8 and the wrapped fan-shaped screen layer 9 outside optical fiber.
Wherein, described circular control conductor is by circular control conductor 4 and the circle being extruded in outside circular control conductor
Control insulating barrier 5 is formed, and described round insulation core is by circular aluminium conductor 1, the first circle being extruded in outside circular aluminium conductor
Insulating barrier 2 and the wrapped glass fibre belt 3 outside the first circular insulating layer are formed, and described circular fire-retardant core is by circular copper conductors
6 and the second circular insulating layer 7 for being extruded in outside circular copper conductors form.
The utility model concrete application approach is a lot, and described above is only preferred embodiment of the present utility model, should
Point out, for those skilled in the art, on the premise of the utility model principle is not departed from, can also make
Go out some improvement, these improvement also should be regarded as the scope of protection of the utility model.
Claims (8)
- A kind of 1. fire-retardant composite power cable, it is characterised in that：Including circular cable core, the cable core by a fan-shaped control conductor, A piece fan-shaped insulated wire cores, the fire-retardant core of a sector and a fan-shaped optical fiber core group close to be formed；It is provided with outside cable core Aluminium foil layer；Outer conductor layer is externally provided with aluminium foil layer, metal armor layers, polyethylene outer sheath are sequentially provided with outside outer conductor layer；Most Afterwards, polyurethane thermal pipe is cased with outside polyethylene outer sheath；Described outer conductor layer includes shielding inhibiting tape, shields inhibiting tape Four axisymmetric round insulation cores are provided with up and down, in the round insulation core above shielding inhibiting tape and are located at Between the round insulation core of shielding inhibiting tape left and in the round insulation core below shielding inhibiting tape and it is located at A pair of symmetrical circular fire-retardant cores are provided between the round insulation core of shielding inhibiting tape right；On shielding inhibiting tape Side round insulation core and positioned at shielding inhibiting tape by side round insulation core between and positioned at shielding inhibiting tape under The round insulation core of side and a pair of symmetrical circular control is provided between the round insulation core of shielding inhibiting tape left Core.
- 2. fire-retardant composite power cable according to claim 1, it is characterised in that：Described fan-shaped control conductor is by circle Control conductor, the circular control insulating barrier being extruded in outside circular control conductor and the wrapped sector outside circular control insulating barrier Screen layer is formed.
- 3. fire-retardant composite power cable according to claim 1, it is characterised in that：Described fan-shaped insulated wire cores are by circle Aluminium conductor, the first circular insulating layer being extruded in outside circular aluminium conductor, wrapped glass fibre belt outside the first circular insulating layer and The wrapped fan-shaped screen layer outside glass fibre belt is formed.
- 4. fire-retardant composite power cable according to claim 1, it is characterised in that：Described fan-shaped fire-retardant core is by circle Copper conductor, the second circular insulating layer being extruded in outside circular copper conductors and the wrapped fan-shaped shielding outside the second circular insulating layer Layer is formed.
- 5. fire-retardant composite power cable according to claim 1, it is characterised in that：Described fan-shaped optical fiber cable core is by optical fiber And the wrapped fan-shaped screen layer outside optical fiber is formed.
- 6. fire-retardant composite power cable according to claim 1, it is characterised in that：Described circular control conductor is by circle Control conductor and the circular control insulating barrier being extruded in outside circular control conductor are formed.
- 7. fire-retardant composite power cable according to claim 1, it is characterised in that：Described round insulation core is by circle Aluminium conductor, the first circular insulating layer being extruded in outside circular aluminium conductor and the wrapped glass fibre belt structure outside the first circular insulating layer Into.
- 8. fire-retardant composite power cable according to claim 1, it is characterised in that：Described circular fire-retardant core is by circle Copper conductor and the second circular insulating layer being extruded in outside circular copper conductors are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433853.3U CN206639650U (en) | 2017-04-24 | 2017-04-24 | A kind of fire-retardant composite power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433853.3U CN206639650U (en) | 2017-04-24 | 2017-04-24 | A kind of fire-retardant composite power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206639650U true CN206639650U (en) | 2017-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720433853.3U Expired - Fee Related CN206639650U (en) | 2017-04-24 | 2017-04-24 | A kind of fire-retardant composite power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206639650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731369A (en) * | 2017-11-17 | 2018-02-23 | 江苏凯达电缆有限公司 | A kind of anti-severe cold power cable for wind power generation |
-
2017
- 2017-04-24 CN CN201720433853.3U patent/CN206639650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731369A (en) * | 2017-11-17 | 2018-02-23 | 江苏凯达电缆有限公司 | A kind of anti-severe cold power cable for wind power generation |
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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: 20171114 |