CN109637732A - A kind of fireproof cable - Google Patents
A kind of fireproof cable Download PDFInfo
- Publication number
- CN109637732A CN109637732A CN201910030139.3A CN201910030139A CN109637732A CN 109637732 A CN109637732 A CN 109637732A CN 201910030139 A CN201910030139 A CN 201910030139A CN 109637732 A CN109637732 A CN 109637732A
- Authority
- CN
- China
- Prior art keywords
- halogen
- layer
- free anti
- flaming polyolefin
- polyolefin layer
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
Abstract
The invention belongs to field of cable technology, specifically a kind of fireproof cable, including electric wire, the first insulating layer, the first halogen-free anti-flaming polyolefin layer, second insulating layer, filled layer, tinfoil paper layer, the second halogen-free anti-flaming polyolefin layer, polyethylene board, venthole, third halogen-free anti-flaming polyolefin layer, inlet cylinder, inlet cylinder upper cover, dust filter screen and pipeline fan.The first halogen-free anti-flaming polyolefin layer, the second halogen-free anti-flaming polyolefin layer and third halogen-free anti-flaming polyolefin layer that the present invention is arranged can effectively prevent the generation of cable fire, avoid the drawbacks of wrapping up wire and cable without preventing fires using the package mode of traditional monolayer insulating layer；Several polyethylene boards being arranged can make to generate gap between third halogen-free anti-flaming polyolefin layer and the second halogen-free anti-flaming polyolefin layer, and the air flowing for the gap location for cooperating venthole and pipeline fan that can effectively make between third halogen-free anti-flaming polyolefin layer and the second halogen-free anti-flaming polyolefin layer, to realize heat dissipation.
Description
Technical field
The invention belongs to field of cable technology, specifically a kind of fireproof cable.
Background technique
Usually as several or made of several groups of wire strandings similar rope cable, mutually insulated between every group of conducting wire,
And be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Cable has interior energization, the spy of external insulation
Sign.
When in use, situations such as such as encountering high temperature, is easy to happen fire to conventional cable, can cause danger to the life of people,
Now most of fireproof type cables only have one layer of fire lagging on the market, and fire protection efficiency is limited；Moreover, conventional cable exists
For a long time in use, certain heat can be generated, due to there is no cooling mechanism not only to will affect cable after long-time use
The transmission efficiency of information may also will lead to the generation of fire.In consideration of it, the present invention proposes a kind of fireproof cable, there is following spy
Point:
(1) present invention proposes a kind of fireproof cable, the first halogen-free anti-flaming polyolefin layer that the present invention is arranged, the resistance of the second Halogen
Combustion polyolefin layer and third halogen-free anti-flaming polyolefin layer can effectively prevent the generation of cable fire, avoid using traditional list
The drawbacks of package mode of layer insulating wraps up wire and cable without preventing fires；
(2) present invention proposes that a kind of fireproof cable, several polyethylene boards of setting can make third halogen-free anti-flaming polyolefin
Gap is generated between layer and the second halogen-free anti-flaming polyolefin layer, and cooperates venthole and pipeline fan that can effectively make third
The air of gap location between halogen-free anti-flaming polyolefin layer and the second halogen-free anti-flaming polyolefin layer flows, to realize heat dissipation.
Summary of the invention
The object of the invention is that provide a kind of fireproof cable to solve the above-mentioned problems, the present invention be arranged first
Halogen-free anti-flaming polyolefin layer, the second halogen-free anti-flaming polyolefin layer and third halogen-free anti-flaming polyolefin layer can effectively prevent cable
The generation of fire avoids wrapping up wire and cable without fireproof disadvantage using the package mode of traditional monolayer insulating layer
End, several polyethylene boards of setting can make to generate between third halogen-free anti-flaming polyolefin layer and the second halogen-free anti-flaming polyolefin layer
Gap, and cooperate venthole and pipeline fan that can effectively make third halogen-free anti-flaming polyolefin layer and the second halogen-free flameproof poly-
The air of gap location between olefin layer flows, to realize heat dissipation.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of fireproof cable, including electric wire, fire-resistant mechanism and
Cooling mechanism；
The fire-resistant mechanism includes the first insulating layer, the first halogen-free anti-flaming polyolefin layer and second insulating layer, the electric wire
Outside successively wrap up the first insulating layer and the first halogen-free anti-flaming polyolefin layer from inside to outside, three electric wires are wrapped in together
Inside one second insulating layer, the outside of the second insulating layer is successively enclosed with tinfoil paper layer and the second halogen-free flameproof from inside to outside
Polyolefin layer, the uniform affixed several identical polyethylene boards of the outer wall of the second halogen-free anti-flaming polyolefin layer are several described poly-
Vinyl plate is fixed in the inner wall of the same third halogen-free anti-flaming polyolefin layer far from the side of the second halogen-free anti-flaming polyolefin layer；
The cooling mechanism includes inlet cylinder, on inlet cylinder and pipeline fan, the third halogen-free anti-flaming polyolefin layer
The connection of outer wall one end is equipped with inlet cylinder, and the top engaging of the inlet cylinder has inlet cylinder upper cover, and the third halogen-free flameproof is poly-
The other end connection of olefin layer outer wall is equipped with pipeline fan.
Preferably, filled layer is filled in the gap location of three electric wires inside the second insulating layer.
Preferably, the surface of several ventholes equidistantly opens up several identical ventholes.
Preferably, the top on the inlet cylinder is equipped with dust filter screen.
Preferably, the central axes of the inlet cylinder and the pipeline fan in the vertical direction are located in approximately the same plane.
Preferably, three electric wires are according to the center of circle central symmetry of second insulating layer.
Preferably, the cross sectional shape of the third halogen-free anti-flaming polyolefin layer is circular configuration.
Preferably, the outside of the third halogen-free anti-flaming polyolefin layer is enclosed with polyvinyl chloride layer, the polyvinyl chloride layer
Outside is enclosed with sheath, and magnesium powder last layer is filled between the sheath and polyvinyl chloride layer.
The beneficial effects of the present invention are:
(1) present invention proposes a kind of fireproof cable, the first halogen-free anti-flaming polyolefin layer that the present invention is arranged, the resistance of the second Halogen
Combustion polyolefin layer and third halogen-free anti-flaming polyolefin layer can effectively prevent the generation of cable fire, avoid using traditional list
The drawbacks of package mode of layer insulating wraps up wire and cable without preventing fires；
(2) present invention proposes that a kind of fireproof cable, several polyethylene boards of setting can make third halogen-free anti-flaming polyolefin
Gap is generated between layer and the second halogen-free anti-flaming polyolefin layer, and cooperates venthole and pipeline fan that can effectively make third
The air of gap location between halogen-free anti-flaming polyolefin layer and the second halogen-free anti-flaming polyolefin layer flows, to realize heat dissipation.
Detailed description of the invention
Fig. 1 is the internal left view structural representation of the present invention；
Fig. 2 is schematic diagram of internal structure of the present invention.
In figure: 1, electric wire, the 2, first insulating layer, the 3, first halogen-free anti-flaming polyolefin layer, 4, second insulating layer, 5, filling
Layer, 6, tinfoil paper layer, the 7, second halogen-free anti-flaming polyolefin layer, 8, polyethylene board, 801, venthole, 9, third halogen-free anti-flaming polyolefin
Layer, 901, polyvinyl chloride layer, 902, magnesium powder last layer, 903, sheath, 10, inlet cylinder, 11, inlet cylinder upper cover, 12, dust filtering
Net, 13, pipeline fan.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to shown in Fig. 1-2, a kind of fireproof cable, including electric wire 1, the fire-resistant mechanism for being protected to cable and
Cooling mechanism for radiating to cable；
The fire-resistant mechanism includes the first insulating layer 2, the first halogen-free anti-flaming polyolefin layer 3 and second insulating layer 4, the electricity
The first insulating layer 2 and the first halogen-free anti-flaming polyolefin layer 3 are successively wrapped up in the outside of line 1 from inside to outside, convenient for insulation and prevent fires, and three
A electric wire 1 is wrapped in inside the same second insulating layer 4, convenient for insulation, the outside of the second insulating layer 4 from it is interior to
It is successively enclosed with tinfoil paper layer 6 and the second halogen-free anti-flaming polyolefin layer 7 outside, convenient for heat dissipation, increase and decrease mechanical strength and fire prevention, described the
The uniform affixed several identical polyethylene boards 8 of the outer wall of two halogen-free anti-flaming polyolefin layers 7, third halogen-free flameproof polyene easy to support
Hydrocarbon layers 9, several polyethylene boards 8 are fixed in the same third Halogen far from the side of the second halogen-free anti-flaming polyolefin layer 7
The inner wall of fire retardant polyolefin layer 9, convenient for fire prevention；
The cooling mechanism includes inlet cylinder 10, inlet cylinder 11 and pipeline fan 13, the third halogen-free anti-flaming polyolefin
Outer wall one end connection of layer 9 is equipped with inlet cylinder 10, is convenient for air circulation, and the top engaging of the inlet cylinder 10 has on inlet cylinder
Lid 11, is easily installed dust filter screen 12, and the other end connection of 9 outer wall of third halogen-free anti-flaming polyolefin layer is equipped with pipe
Road blower 13, convenient for flowing air.
It is filled with filled layer 5 in the gap location of three electric wires 1 inside the second insulating layer 4, convenient for increasing whole machine
Tool intensity；The surface of several ventholes 801 equidistantly opens up several identical ventholes 801, convenient for ventilating；Institute
The top for stating on inlet cylinder 11 is equipped with dust filter screen 12, prevents dust from entering inside；The inlet cylinder 10 and the pipeline
The central axes of blower 13 in the vertical direction are located in approximately the same plane, convenient for ventilation；Three electric wires 1 are according to the second insulation
The center of circle central symmetry of layer 4, convenient for assembling；The cross sectional shape of the third halogen-free anti-flaming polyolefin layer 9 is circular configuration, is convenient for
Inside it by the second halogen-free anti-flaming polyolefin layer 7 package；The outside of the third halogen-free anti-flaming polyolefin layer 9 is enclosed with polychlorostyrene
Pvdf layer 901 is enclosed with sheath 903 outside the polyvinyl chloride layer 901, fills out between the sheath 903 and polyvinyl chloride layer 901
Filled with magnesium powder last layer 902, convenient for fire-retardant.
In the use of the present invention, the electric elements occurred in the application when in use open by external connection power supply and control
It closes, when in use, the first insulating layer 2 makes mutually insulated between three electric wires prevent short circuit phenomenon, and the first halogen-free flameproof is poly-
Olefin layer 3 is near electric wire 1, the guarantee for also further preventing insulating layer 2 on fire, and filled layer 5 can be very good to play increase by
The mechanical strength of two insulating layers 4 avoids first insulating layer 2 of the user when in use due to being bent outside the electric wire 1 that fractures
With the first halogen-free anti-flaming polyolefin layer 3, cause fire so as to cause the short phenomenon road between three electric wires 1, tinfoil paper layer 6 can be with
The heat transfer generated inside second insulating layer 4 is come out, while being also prevented from the case where second insulating layer 4 is ignited from the external world,
Second halogen-free anti-flaming polyolefin layer 7 and third halogen-free anti-flaming polyolefin layer are further prevented fires；
Second halogen-free anti-flaming polyolefin layer 7 and third halogen-free anti-flaming polyolefin layer 9 shape under the support of several polyethylene boards 8
At certain gap and several chambers are formed, are interconnected between several chambers by venthole 801, during electric wire 1 is run
Certain heat can be generated, heat successively transmits, and the air inside heating chamber, opening conduits blower 13, pipeline fan 13
The hot-airs of several chamber interiors is extracted out, heat is taken away, under the action of atmospheric pressure, cool ambient air from inlet cylinder 10 into
Enter in chamber, forms heat exchange, make the gap between the second halogen-free anti-flaming polyolefin layer 7 and third halogen-free anti-flaming polyolefin layer 9
The temperature at place reduces, to reduce the bulk temperature of the device, third halogen-free anti-flaming polyolefin layer 9 is equivalent to cable jacket, outside
It is hollow in set, it on the basis of can be with fireproof, realizes the flowing of jacket internal air, the heat that cable is generated is flowed by air
It takes away, to realize cooling；
Third halogen-free flameproof can be prevented by being enclosed with polyvinyl chloride layer 901 in the outside of third halogen-free anti-flaming polyolefin layer 9
Polyolefin layer 9 is corroded, and magnesium powder last layer 902 is filled between polyvinyl chloride layer 901 and sheath 903 can further realize fireproof
Function.
Wherein, halogen-free anti-flaming polyolefin layer is to be process by polyolefin by halogen-free flameproof technique, halogen-free flameproof technique
In halogen-free flame retardants use aluminium hydroxide solvent.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (8)
1. a kind of fireproof cable, it is characterised in that: including electric wire (1), the fire-resistant mechanism for being protected to cable and be used for
The cooling mechanism to radiate to cable；
The fire-resistant mechanism includes the first insulating layer (2), the first halogen-free anti-flaming polyolefin layer (3) and second insulating layer (4), described
The first insulating layer (2) and the first halogen-free anti-flaming polyolefin layer (3) are successively wrapped up in the outside of electric wire (1) from inside to outside, convenient for insulation
And fire prevention, three electric wires (1) are wrapped in the same second insulating layer (4) inside, the outside of the second insulating layer (4)
It is successively enclosed with tinfoil paper layer (6) and the second halogen-free anti-flaming polyolefin layer (7), the second halogen-free anti-flaming polyolefin layer from inside to outside
(7) the uniform affixed several identical polyethylene boards (8) of outer wall, third halogen-free anti-flaming polyolefin layer (9) easy to support, Ruo Gansuo
It states polyethylene board (8) and is fixed in the same third halogen-free flameproof polyene far from the side of the second halogen-free anti-flaming polyolefin layer (7)
The inner wall of hydrocarbon layers (9)；
The cooling mechanism includes inlet cylinder (10), inlet cylinder (11) and pipeline fan (13), the third halogen-free flameproof polyene
Outer wall one end connection of hydrocarbon layers (9) is equipped with inlet cylinder (10), is used for air circulation, and the top engaging of the inlet cylinder (10) has
Inlet cylinder upper cover (11) is easily installed dust filter screen (12), and other the one of third halogen-free anti-flaming polyolefin layer (9) outer wall
End connection is equipped with pipeline fan (13).
2. a kind of fireproof cable according to claim 1, it is characterised in that: the second insulating layer (4) is internal at three
The gap location of electric wire (1) is filled with filled layer (5).
3. a kind of fireproof cable according to claim 1, it is characterised in that: the surface of several ventholes (801) is equal
Equidistantly open up several identical ventholes (801).
4. a kind of fireproof cable according to claim 1, it is characterised in that: be equipped at the top of (11) on the inlet cylinder
Dust filter screen (12).
5. a kind of fireproof cable according to claim 1, it is characterised in that: the inlet cylinder (10) and the pipeline fan
(13) central axes in the vertical direction are located in approximately the same plane.
6. a kind of fireproof cable according to claim 1, it is characterised in that: three electric wires (1) are according to the second insulation
The center of circle central symmetry of layer (4).
7. a kind of fireproof cable according to claim 1, it is characterised in that: the third halogen-free anti-flaming polyolefin layer (9)
Cross sectional shape be circular configuration.
8. a kind of fireproof cable according to claim 1, it is characterised in that: the third halogen-free anti-flaming polyolefin layer (9)
Outside be enclosed with polyvinyl chloride layer (901), is enclosed with sheath (903), the sheath outside the polyvinyl chloride layer (901)
(903) magnesium powder last layer (902) are filled between polyvinyl chloride layer (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030139.3A CN109637732A (en) | 2019-01-14 | 2019-01-14 | A kind of fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030139.3A CN109637732A (en) | 2019-01-14 | 2019-01-14 | A kind of fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109637732A true CN109637732A (en) | 2019-04-16 |
Family
ID=66061818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030139.3A Pending CN109637732A (en) | 2019-01-14 | 2019-01-14 | A kind of fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637732A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752060A (en) * | 2019-11-04 | 2020-02-04 | 安徽恒晶电缆集团有限公司 | Cable with bending resistance and breaking resistance for high-temperature computer |
| CN111768902A (en) * | 2020-07-09 | 2020-10-13 | 安徽凌宇电缆科技有限公司 | Photovoltaic cable of marine high resistance to compression |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575813A (en) * | 2014-10-18 | 2015-04-29 | 芜湖扬宇机电技术开发有限公司 | Self-cooling cable and cooling method thereof |
| CN206236454U (en) * | 2016-04-18 | 2017-06-09 | 湖州凯博电子线缆有限公司 | Intelligent cable |
| CN207909553U (en) * | 2018-02-10 | 2018-09-25 | 浙江广来电气有限公司 | A kind of Compression-resistincable cable |
| CN207938352U (en) * | 2017-10-31 | 2018-10-02 | 深圳市金丰盛电子有限公司 | A kind of novel electron cable and its piecing devices |
-
2019
- 2019-01-14 CN CN201910030139.3A patent/CN109637732A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575813A (en) * | 2014-10-18 | 2015-04-29 | 芜湖扬宇机电技术开发有限公司 | Self-cooling cable and cooling method thereof |
| CN206236454U (en) * | 2016-04-18 | 2017-06-09 | 湖州凯博电子线缆有限公司 | Intelligent cable |
| CN207938352U (en) * | 2017-10-31 | 2018-10-02 | 深圳市金丰盛电子有限公司 | A kind of novel electron cable and its piecing devices |
| CN207909553U (en) * | 2018-02-10 | 2018-09-25 | 浙江广来电气有限公司 | A kind of Compression-resistincable cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752060A (en) * | 2019-11-04 | 2020-02-04 | 安徽恒晶电缆集团有限公司 | Cable with bending resistance and breaking resistance for high-temperature computer |
| CN111768902A (en) * | 2020-07-09 | 2020-10-13 | 安徽凌宇电缆科技有限公司 | Photovoltaic cable of marine high resistance to compression |
| CN111768902B (en) * | 2020-07-09 | 2021-12-10 | 安徽凌宇电缆科技有限公司 | Photovoltaic cable of marine high resistance to compression |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |