CN208796705U - A kind of low-smoke halogen-free flame-retardant electric wire and cable - Google Patents
A kind of low-smoke halogen-free flame-retardant electric wire and cable Download PDFInfo
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- CN208796705U CN208796705U CN201821551734.9U CN201821551734U CN208796705U CN 208796705 U CN208796705 U CN 208796705U CN 201821551734 U CN201821551734 U CN 201821551734U CN 208796705 U CN208796705 U CN 208796705U
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- smoke halogen
- electric wire
- cable
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Abstract
The utility model discloses a kind of low-smoke halogen-free flame-retardant electric wire and cables, including core, the core includes conductor and insulation sleeve, the inside of insulation sleeve is arranged in the conductor, the outside of the core is provided with filled layer, the outside of the filled layer and core is provided with heatproof sleeve, and the outside of the heatproof sleeve is provided with oversheath, and the oversheath is internally provided with reinforcing rib.The utility model is provided with the heatproof sleeve of silicone rubber material, the silica generated after this silastic material burning still has excellent electrical insulation capability, improve the fire-retardant stability of cable itself, it is provided with the filled layer of ceramic material, the high temperature resistance of this material can improve the heat-resisting quantity of cable itself, the poly- stability that breaks of this material improves cable tensile property itself, it is provided with oversheath made of 90 DEG C of high flame resistance, low smoke halogen-free polyolefin materials, good heat-insulated and fire retardation is played, and does not generate toxic gas.
Description
Technical field
The utility model relates to field of cable technology, specifically a kind of low-smoke halogen-free flame-retardant electric wire and cable.
Background technique
Cable has power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer cable, signal electricity
Cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc., they are led by sub-thread or multiply
Line and insulating layer composition, are transferred to another place for electric power or information from one.
But the wrapping layer of most of wire and cable of the prior art is by polyethylene, polyvinyl chloride or thermoplastic poly ammonia
Ester composition.If toxic hydrogen chloride can be discharged by meeting the fiery plastic cement containing chlorine, if hydrochloric acid can be generated by meeting water, cause in aircraft, train vehicle
Compartment or forbidden cable using this lapping in the environment of the improper ventilations such as ship.Therefore, those skilled in the art
Member provides a kind of low-smoke halogen-free flame-retardant electric wire and cable, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of low-smoke halogen-free flame-retardant electric wire and cables, to solve in above-mentioned background technique
The wrapping layer of most of wire and cable of the prior art of proposition is by polyethylene, polyvinyl chloride or thermoplastic polyurethane group
At.If toxic hydrogen chloride can be discharged by meeting the fiery plastic cement containing chlorine, if hydrochloric acid can be generated by meeting water, cause aircraft, railway carriage or
It is to be forbidden cable problem using this lapping in the environment of the improper ventilations such as ship.
To achieve the above object, the utility model provides the following technical solutions:
A kind of low-smoke halogen-free flame-retardant electric wire and cable, including core, the core include conductor and insulation sleeve, and the conductor is set
It sets in the inside of insulation sleeve, the outside of the core is provided with filled layer, and the outside of the filled layer and core is provided with heat-resisting
Set, the outside of the heatproof sleeve are provided with oversheath, and the oversheath is internally provided with reinforcing rib.
As a further solution of the present invention: the conductor is a kind of component of soft copper material, the core passes through
It is twisted closely to connect into one.
As a further solution of the present invention: a kind of component of the insulation sleeve for silicone rubber material, and insulation sleeve
Section inner circle radius be equal to conductor section radius of circle.
As a further solution of the present invention: the filled layer is a kind of structure of ceramic material resistant to high temperature
Part, and the gap of the tightly packed core of filled layer.
As a further solution of the present invention: the heatproof sleeve is a kind of component of glass fibre material, and heat-resisting
Cover tight core and filled layer.
As a further solution of the present invention: the oversheath is a kind of high flame resistance, low smoke halogen-free polyolefin material
Component.
As a further solution of the present invention: the reinforcing rib is a kind of surface by parkerized steel material
Component, and the section circular diameter of reinforcing rib is less than the thickness of oversheath.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is provided with the heatproof sleeve of silicone rubber material, the titanium dioxide generated after this silastic material burning
Silicon still has excellent electrical insulation capability, improves the fire-retardant stability of cable itself.
2, the utility model is provided with the filled layer of ceramic material, and the high temperature resistance of this material can improve cable
The poly- stability that breaks of the heat-resisting quantity of itself, this material improves cable tensile property itself.
3, the utility model is provided with oversheath made of 90 °C of high flame resistance, low smoke halogen-free polyolefin materials, and this material exists
It can be expanded rapidly in the case where flame combustion, form fine and close porous carbon layer, play good heat-insulated and fire retardation, and not
Generate toxic gas.
4, the utility model is provided with reinforcing rib, and this reinforcing rib surface passes through phosphorating treatment, can delay steel wire reinforcing rib
The generation of surface fretting wear damage, inhibits the germinating of fatigue statistic, the effective tensile property for reinforcing cable itself.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of internal structure of low-smoke halogen-free flame-retardant electric wire and cable；
Fig. 2 is a kind of external structure schematic diagram of low-smoke halogen-free flame-retardant electric wire and cable.
In figure: 1, core；2, filled layer；3, heatproof sleeve；4, oversheath；5, reinforcing rib；11, conductor；12, insulation sleeve.
Specific embodiment
Please refer to Fig. 1~2, in the utility model embodiment, a kind of low-smoke halogen-free flame-retardant electric wire and cable, including core 1, line
Core 1 includes conductor 11 and insulation sleeve 12, and the inside of insulation sleeve 12 is arranged in conductor 11, and the outside of core 1 is provided with filled layer 2,
The outside of filled layer 2 and core 1 is provided with heatproof sleeve 3, and the outside of heatproof sleeve 3 is provided with oversheath 4, and the inside of oversheath 4 is set
It is equipped with reinforcing rib 5.
In order to improve the mechanical strength of cable itself, in the present embodiment, it is preferred that conductor 11 is a kind of structure of soft copper material
Part, core 1 closely connect into one by twisted.
In order to improve the fire-retardant stability of cable itself, in the present embodiment, it is preferred that insulation sleeve 12 is a kind of silicon rubber material
The component of matter, and the section inner circle radius of insulation sleeve 12 is equal to the section radius of circle of conductor 11.
In order to improve the pull resistance and heat resistance of cable itself, in the present embodiment, it is preferred that filled layer 2 is a kind of resistance to height
The component of the ceramic material of temperature, and the gap of the tightly packed core 1 of filled layer 2.
In order to improve the heat resistance of cable itself, in the present embodiment, it is preferred that heatproof sleeve 3 is a kind of glass fibre material
The component of matter, and 3 tight core 1 of heatproof sleeve and filled layer 2.
In order to improve the low-smoke non-halogen flame-retardant performance of cable itself, in the present embodiment, it is preferred that oversheath 4 is a kind of high
The component of flame-retardant low-smoke halogen-free polyolefin material.
In order to improve the tensile property of cable itself, in the present embodiment, it is preferred that reinforcing rib 5 is that phosphorus is passed through on a kind of surface
Change the component of the steel material of processing, and the section circular diameter of reinforcing rib 5 is less than the thickness of oversheath 4.
The working principle of the utility model is: in the case that cable itself meets fire again, high flame resistance, low smoke halogen-free polyolefin material
The expansion rapidly of oversheath 4 made of expecting, forms fine and close porous carbon layer, plays good heat-insulated, fire retardation, and do not generate
Pernicious gas, 5 fire resisting of reinforcing rib is anti-oxidation, and fixed oversheath 4 is not broken, 2 thermal insulation protection core 1 of heatproof sleeve 3 and filled layer, absolutely
12 chance fire of edge set generates the still silicon dioxide insulator with excellent electrical insulation capability and protects conductor 11, and guarantee conductor 11 continues will
Electric power or information are transferred to another place from one.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (7)
1. a kind of low-smoke halogen-free flame-retardant electric wire and cable, including core (1), it is characterised in that: the core (1) includes conductor (11)
With insulation sleeve (12), the conductor (11) is arranged in the inside of insulation sleeve (12), and the outside of the core (1) is provided with filled layer
(2), the outside of the filled layer (2) and core (1) is provided with heatproof sleeve (3), and the outside of the heatproof sleeve (3) is provided with outer shield
It covers (4), the oversheath (4) is internally provided with reinforcing rib (5).
2. a kind of low-smoke halogen-free flame-retardant electric wire and cable according to claim 1, it is characterised in that: the conductor (11) is one
The component of kind soft copper material, the core (1) closely connect into one by twisted.
3. a kind of low-smoke halogen-free flame-retardant electric wire and cable according to claim 1, it is characterised in that: the insulation sleeve (12) is
A kind of component of silicone rubber material, and the section inner circle radius of insulation sleeve (12) is equal to the section radius of circle of conductor (11).
4. a kind of low-smoke halogen-free flame-retardant electric wire and cable according to claim 1, it is characterised in that: the filled layer (2) is
A kind of component of ceramic material resistant to high temperature, and the gap of filled layer (2) tightly packed core (1).
5. a kind of low-smoke halogen-free flame-retardant electric wire and cable according to claim 1, it is characterised in that: the heatproof sleeve (3) is
A kind of component of glass fibre material, and heatproof sleeve (3) tight core (1) and filled layer (2).
6. a kind of low-smoke halogen-free flame-retardant electric wire and cable according to claim 1, it is characterised in that: the oversheath (4) is
A kind of component of high flame resistance, low smoke halogen-free polyolefin material.
7. a kind of low-smoke halogen-free flame-retardant electric wire and cable according to claim 1, it is characterised in that: the reinforcing rib (5) is
A kind of component of surface Jing Guo parkerized steel material, and the section circular diameter of reinforcing rib (5) is less than the thickness of oversheath (4)
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821551734.9U CN208796705U (en) | 2018-09-21 | 2018-09-21 | A kind of low-smoke halogen-free flame-retardant electric wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821551734.9U CN208796705U (en) | 2018-09-21 | 2018-09-21 | A kind of low-smoke halogen-free flame-retardant electric wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208796705U true CN208796705U (en) | 2019-04-26 |
Family
ID=66210505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821551734.9U Expired - Fee Related CN208796705U (en) | 2018-09-21 | 2018-09-21 | A kind of low-smoke halogen-free flame-retardant electric wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208796705U (en) |
-
2018
- 2018-09-21 CN CN201821551734.9U patent/CN208796705U/en not_active Expired - Fee Related
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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: 20190426 Termination date: 20200921 |