CN109767866A - A kind of ceramic fire-proof high-temperature resistant cable - Google Patents
A kind of ceramic fire-proof high-temperature resistant cable Download PDFInfo
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- CN109767866A CN109767866A CN201811517517.2A CN201811517517A CN109767866A CN 109767866 A CN109767866 A CN 109767866A CN 201811517517 A CN201811517517 A CN 201811517517A CN 109767866 A CN109767866 A CN 109767866A
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- layer
- temperature
- temperature resistant
- insulating layer
- conductor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
A kind of ceramic fire-proof high-temperature resistant cable, the insulating layer being successively wrapped in outside the conductor including at least two conductors and from inside to outside, shielded layer and protective case, the conductor and the insulating layer form conductive unit, being filled between the conductor and the insulating layer prevents flat gasket for packing, wrapping layer is coated on the outside of the insulating layer, the periphery of the wrapping layer is wound with braiding layer, the braiding layer is externally provided with high-temperature-resistant layer, the high-temperature-resistant layer is coated with graphite ene coatings, the shielded layer is arranged on the outside of the graphite ene coatings, the outer surface of the protective case is equipped with reflective layer.Its structure is simple, using hierarchical design, have the function of each layer according to the position where it different, and then improve the ageing resistance of cable entirety and resisting temperature, climacteric, effectively ambient temperature can be thermally shielded, the operating temperature inside control cable is maintained, influence of the ambient temperature to control cable is reduced, there is good high-temperature resistant result and cold-resistant effect.
Description
Technical field
The present invention relates to power grid ancillary equipment fields, are related to cable more particularly to a kind of ceramic fire-proof high-temperature resistant cable.
Background technique
Cable generally refers to the cable for the similar rope that by several or several groups of conducting wires (every group at least two) are twisted, often
Mutually insulated between group conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Cable tool
There are interior energization, the feature of external insulation.Cable is generally divided into power cable and communication cable.Power cable refers to for transmitting electric power
A kind of cable, play transmission of electricity, distribution, power supply function in the power system, general by the electric current of power cable is all bigger；
Communication cable refers to a kind of cable for transmitting signal, including transmission audio, digital signal and analog signal.General electricity
It is, by extraneous injury, mainly to include from the inside to the outside to protect the conductor of innermost layer not that cable, which is all by the purpose of several layers of structure compositions,
Conductor layer, conductor shield, insulating layer, insulation screen, buffer layer and oversheath.
With the development of science and technology, demand of the people to cable is more and more, therewith also increasingly to the performance requirement of cable
Height, especially high temperature resistance.A large amount of heat can be generated when excessive by the electric current of conductor, if thermally conductive in time cannot dissipate
Heat will rapidly shorten the service life of cable, and existing high temperature-resistant cable, generally existing structure setting is unreasonable, and operation is not
The problems such as enough steady, conductor conductivity and high temperature resistance are general, cannot fully meet current demand.In consideration of it, a have
The cable of fabulous high temperature resistance just accords with the demands of the market.
Summary of the invention
In view of the above problems, the present invention provides one kind and overcomes defect in the prior art, structurally reasonable ceramics
Chemoprevention fire high temperature-resistant cable.
The technical solution of the invention is as follows: a kind of ceramic fire-proof high-temperature resistant cable, including at least two conductors and by
It is interior to be led to the insulating layer, shielded layer and the protective case that are successively wrapped in outside the conductor outside, the conductor and insulating layer formation
Electric unit, filled with flat gasket for packing is prevented between the conductor and the insulating layer, be coated on the outside of the insulating layer around
Covering, the periphery of the wrapping layer are wound with braiding layer, and the braiding layer is externally provided with high-temperature-resistant layer, the high-temperature-resistant layer outer cladding
There are graphite ene coatings, the shielded layer is arranged on the outside of the graphite ene coatings, and the outer surface of the protective case is equipped with reflective
Layer.
A further improvement of the present invention is that: the conductor is that more nickel plating copper wires or tinned copper wire are twisted and press composition
Cable core.
A further improvement of the present invention is that: the material of the insulating layer is the mixing of neoprene and polyimide resin
Object is constituted using the mode of extruding.
Neoprene has good physical mechanical property, and oil resistant is heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, resistance toization
Reagent, tensile strength, elongation and reversible crystallinity with higher, cementability are good；Polyimide resin is comprehensive
One of optimal high-molecular organic material of energy, high temperature resistant is up to 400 DEG C or more, -200~300 DEG C of long-term use temperature range, without bright
Aobvious fusing point, high insulating property, 103 hertz of lower 4 .0 of dielectric constant, the dielectric loss only .007 of 0 .004~0 belong to F to H class B insulation material
Material is cooperated with neoprene using it, the insulating materials to be formed is made to have the characteristics such as high temperature resistant, fire-retardant.
A further improvement of the present invention is that: heat dissipation film is covered on the outer wall of the insulating layer, the heat dissipation film is to receive
Rice carbon heat dissipation film.
It can be radiated by increasing heat dissipation film for conductor, nano-sized carbon heat dissipation film is orientated with unique crystal grain, along two sides
It is laminar structured to be well adapted for any surface to uniform heat conduction, Homogeneouslly-radiating while also provided in terms of thickness heat every
From, and the cost of nano-sized carbon heat dissipation film is not high, wrapping up heat dissipation film on the insulating layer can effectively radiate for conductor.
A further improvement of the present invention is that: the wrapping layer is fire resisting gluing glass wool cloth band or mica tape, the volume
Tissue layer be ceramic plastic wire according to 1 repeatedly 2 vertical wovens form, the high-temperature-resistant layer be thermostable fluorine plastic layer or woven high temperature
Tape sintering or sintering silicone resin or four fluorine emulsions, the graphite ene coatings with a thickness of 0 .03-0 .05mm.
Mica tape is a kind of high performance mica insulation product, has excellent high temperature resistance and flame resistance energy, is fitted
For meeting the volatilization that harmful vapors are substantially not present when open fire burning in various fire-resisting cables.
Ceramic plastic wire porcelain in flame combustion environment forms being dielectrically separated from for cable in hot environment；Setting
Graphite ene coatings, graphene are the carbon materials with two-dimensional nanostructure, have ultra-high conductivity and preferable hydrophobicity, conducting wire
It does not freeze, can be very good to reduce ice damage, improve the security reliability of transmission line of electricity operation.
A further improvement of the present invention is that: the conductive unit diameter accounts for the 1/4-1/3 of cable body diameter.
A further improvement of the present invention is that: the protective case be one of silicon rubber, Ceramic silicon rubber, with a thickness of
2mm-10mm。
Ceramic silicon rubber has the characteristics such as splendid fire prevention, fire-retardant, low cigarette, nontoxic, and residue is hard after burning
Ceramic shell, hard shell is not molten in fire hazard environment and do not drip, can be cold by fiery 90min at a temperature of 950 DEG C -1000 DEG C
But 15min route keeps integrality.
A further improvement of the present invention is that: the material of the reflective layer is glass powder, nano-silicon and nano-titanium dioxide
Mixture, mixing ratio 4:3:2.
The use of glass powder, nano-silicon and nano-titanium dioxide then improves its anti-ageing property, and it is good can to assign insulating materials
Photostability, while the reflective layer reflection efficiency formed it into is high, it may have certain self-cleaning, have remove contamination well
Therefore ability selects it to do the material of reflective layer, advantageously reduce the insolation of sunlight, and then improves its anti-ageing property.
The beneficial effects of the present invention are: its structure is simple, Integral sealing makes each layer according to its institute using hierarchical design
Position have the function of different, and then improve the ageing resistance of cable entirety and resisting temperature, climacteric, can be effective
Ambient temperature is thermally shielded, maintain control cable inside operating temperature, reduce ambient temperature to control cable influence,
With good high-temperature resistant result and cold-resistant effect, so that conductive unit operation is most steady reliable, using effect is most ideal, this production
Product whole service life is long, applied widely, and raw material sources are extensive, meets actual operation requirements.
Accompanying drawing content
Fig. 1 is structural schematic diagram of the invention；
Wherein: 1- conductor, 2- insulating layer, 3- shielded layer, 4- protective case, 5- gasket for packing, 6- wrapping layer, 7- are woven into, the resistance to height of 8-
Warm layer, 9- graphite ene coatings, 10- reflective layer, 11- heat dissipation film.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and is further retouched in detail
It states, the embodiment is only for explaining the present invention, does not constitute and limits to protection scope of the present invention.
As figure, a kind of ceramic fire-proof high-temperature resistant cable provided in this embodiment, including three conductors 1 and from inside to outside according to
The secondary insulating layer 2 being wrapped in outside the conductor 1, shielded layer 3 and protective case 4, the conductor 1, which is that more nickel plating copper wires are twisted, to press
The cable core of composition, the conductor 1 and the insulating layer 2 form conductive unit, and the conductive unit diameter accounts for cable body diameter
1/3, filled with preventing flat gasket for packing 5 between the conductor 1 and the insulating layer 2, be coated on the outside of the insulating layer 2
Wrapping layer 6, the periphery of the wrapping layer 6 are wound with braiding layer 7, and the braiding layer 7 is externally provided with high-temperature-resistant layer 8, the high temperature resistant
Layer 8 is coated with graphite ene coatings 9, and the setting of shielded layer 3 is in 9 outside of graphite ene coatings, the appearance of the protective case 4
Face is equipped with reflective layer 10, and heat dissipation film 11(is covered on the outer wall of the insulating layer 2 and is arranged in insulating layer 2 and the wrapping layer 6
Between), the heat dissipation film 11 is nano-sized carbon heat dissipation film.
The material of the insulating layer is the mixture of neoprene and polyimide resin, is constituted using the mode of extruding.Chlorine
Buna has good physical mechanical property, and oil resistant is heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, chemical-resistant reagent, tool
There are higher tensile strength, elongation and reversible crystallinity, cementability is good；Polyimide resin, which is that comprehensive performance is optimal, to be had
One of machine high molecular material, for high temperature resistant up to 400 DEG C or more, -200~300 DEG C of long-term use temperature range, no sharp melting point is high
Insulation performance, 103 hertz of lower 4 .0 of dielectric constant, only the .007 of 0 .004~0, category F use it to H class F insulating material F to dielectric loss
Cooperate with neoprene, makes the insulating materials to be formed that there are the characteristics such as high temperature resistant, fire-retardant.
It is radiated by increasing heat dissipation film for conductor, nano-sized carbon heat dissipation film is orientated with unique crystal grain, in both directions
Uniform heat conduction, laminar structured to be well adapted for any surface, Homogeneouslly-radiating while, which also provides in terms of thickness, to be thermally isolated,
And the cost of nano-sized carbon heat dissipation film is not high, wrapping up heat dissipation film on the insulating layer can effectively radiate for conductor.
The wrapped layer material uses fireproof high-temperature resistant mica tape, and the braiding layer repeatedly 2 is hung down by ceramic plastic wire according to 1
Directly weave, the high-temperature-resistant layer be sintering silicone resin, the graphite ene coatings with a thickness of 0 .5mm.Mica tape is a kind of
High performance mica insulation product has excellent high temperature resistance and flame resistance energy, suitable for various fire-resisting cables,
Meet the volatilization that harmful vapors are substantially not present when open fire burning；Ceramic plastic wire porcelain in flame combustion environment, forms
Cable is dielectrically separated from hot environment；Silicone resin has excellent heat resistance, cold resistance, weatherability, electrical insulating property, hydrophobicity
And anti-sticking release property etc.；Graphite ene coatings are set, and graphene is the carbon material with two-dimensional nanostructure, has ultra-high conductivity
With preferable hydrophobicity, conducting wire does not freeze, and can be very good to reduce ice damage, improves the security reliability of transmission line of electricity operation.
The protection cover material uses refractory ceramics SiClx rubber, with a thickness of 5mm.Ceramic silicon rubber has splendid
The characteristics such as fire prevention, fire-retardant, low cigarette, nontoxic, residue is hard ceramic shell after burning, hard shell in fire hazard environment not
It melts and does not drip, can be at a temperature of 950 DEG C -1000 DEG C, by fiery 90min, cooling 15min route keeps integrality, is guaranteeing fire
In the case of calamity power transmission it is unobstructed in play firm protective effect, and Ceramic silicon rubber product wants equipment without special
It asks, processing technology is simple, can reduce production energy consumption save the cost.
The material of the reflective layer be glass powder, nano-silicon and nano-titanium dioxide mixture, mixing ratio 4:3:
2.The use of glass powder, nano-silicon and nano-titanium dioxide then improves its anti-ageing property, and it is steady can to assign the good light of insulating materials
It is qualitative, while the reflective layer reflection efficiency formed it into is high, it may have certain self-cleaning has good clean-up capability,
Therefore, it selects it to do the material of reflective layer, advantageously reduces the insolation of sunlight, and then improve its anti-ageing property.
The beneficial effect of the present embodiment is: its structure is simple, Integral sealing, using hierarchical design, makes each layer according to it
The position at place has the function of ageing resistances and resisting temperature, climacteric, Ke Yiyou different, and then that improve cable entirety
Effect is thermally shielded ambient temperature, maintains the operating temperature inside control cable, reduces ambient temperature to the shadow of control cable
It rings, there is good high-temperature resistant result and cold-resistant effect, so that conductive unit operation is most steady reliable, using effect is most ideal,
This product whole service life is long, applied widely, and raw material sources are extensive, meets actual operation requirements.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and invention
It is invention the principle of the present invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of ceramic fire-proof high-temperature resistant cable, it is characterised in that: successively wrap up including at least two conductors and from inside to outside
Insulating layer, shielded layer and protective case outside the conductor, the conductor and the insulating layer form conductive unit, the conductor
Filled with flat gasket for packing is prevented between the insulating layer, wrapping layer, the wrapping layer are coated on the outside of the insulating layer
Periphery be wound with braiding layer, the braiding layer is externally provided with high-temperature-resistant layer, and the high-temperature-resistant layer is coated with graphite ene coatings, institute
It states shielded layer to be arranged on the outside of the graphite ene coatings, the outer surface of the protective case is equipped with reflective layer.
2. a kind of ceramic fire-proof high-temperature resistant cable according to claim 1, it is characterised in that: the conductor is more platings
Nickel-copper wire or the twisted cable core for pressing composition of tinned copper wire.
3. a kind of ceramic fire-proof high-temperature resistant cable according to claim 1, it is characterised in that: the material of the insulating layer
For the mixture of neoprene and polyimide resin, constituted using the mode of extruding.
4. a kind of ceramic fire-proof high-temperature resistant cable according to claim 1, it is characterised in that: the outer wall of the insulating layer
On be covered with heat dissipation film, the heat dissipation film is nano-sized carbon heat dissipation film.
5. a kind of ceramic fire-proof high-temperature resistant cable according to claim 1, it is characterised in that: the wrapping layer is fire resisting
Gluing glass wool cloth band or mica tape, the braiding layer by ceramic plastic wire according to 1 repeatedly 2 vertical wovens form, the resistance to height
Warm layer is that thermostable fluorine plastic layer or woven high temperature tape are sintered or are sintered silicone resin or four fluorine emulsions, the graphite ene coatings
With a thickness of 0 .03-0 .05mm.
6. a kind of ceramic fire-proof high-temperature resistant cable according to claim 1, it is characterised in that: the conductive unit diameter
Account for the 1/4-1/3 of cable body diameter.
7. a kind of ceramic fire-proof high-temperature resistant cable according to claim 1, it is characterised in that: the protective case is silicon rubber
One of glue, Ceramic silicon rubber, with a thickness of 2mm-10mm.
8. a kind of ceramic fire-proof high-temperature resistant cable according to claim 1, it is characterised in that: the material of the reflective layer
For the mixture of glass powder, nano-silicon and nano-titanium dioxide, mixing ratio 4:3:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517517.2A CN109767866A (en) | 2018-12-12 | 2018-12-12 | A kind of ceramic fire-proof high-temperature resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517517.2A CN109767866A (en) | 2018-12-12 | 2018-12-12 | A kind of ceramic fire-proof high-temperature resistant cable |
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| Publication Number | Publication Date |
|---|---|
| CN109767866A true CN109767866A (en) | 2019-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811517517.2A Pending CN109767866A (en) | 2018-12-12 | 2018-12-12 | A kind of ceramic fire-proof high-temperature resistant cable |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156005A (en) * | 2021-11-11 | 2022-03-08 | 江苏永鼎电气有限公司 | High-temperature sealing adhesive conductor and application thereof in automobile wire harness |
| WO2024022020A1 (en) * | 2022-07-27 | 2024-02-01 | 河源市可顺绝缘材料有限公司 | Insulated wire |
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| CN106067342A (en) * | 2016-05-21 | 2016-11-02 | 国网山东省电力公司高唐县供电公司 | High temperature resistant aging resistance cable |
| CN106409398A (en) * | 2015-07-27 | 2017-02-15 | 无锡市群星线缆有限公司 | Flexible fireproof cable |
| CN107945914A (en) * | 2017-11-24 | 2018-04-20 | 安徽国华电缆集团有限公司 | A kind of fluoroplastic high-temperature-resistant power cable |
| CN207319777U (en) * | 2017-08-21 | 2018-05-04 | 无锡市苏南电缆有限公司 | A kind of high temperature-resistant cable |
| CN108231237A (en) * | 2016-12-15 | 2018-06-29 | 西安仁科电子科技有限公司 | A kind of high and cold cable of high temperature resistant |
| CN207781250U (en) * | 2018-02-11 | 2018-08-28 | 广州锦新通信有限责任公司 | High temperature-resistant cable |
-
2018
- 2018-12-12 CN CN201811517517.2A patent/CN109767866A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409398A (en) * | 2015-07-27 | 2017-02-15 | 无锡市群星线缆有限公司 | Flexible fireproof cable |
| CN106067342A (en) * | 2016-05-21 | 2016-11-02 | 国网山东省电力公司高唐县供电公司 | High temperature resistant aging resistance cable |
| CN108231237A (en) * | 2016-12-15 | 2018-06-29 | 西安仁科电子科技有限公司 | A kind of high and cold cable of high temperature resistant |
| CN207319777U (en) * | 2017-08-21 | 2018-05-04 | 无锡市苏南电缆有限公司 | A kind of high temperature-resistant cable |
| CN107945914A (en) * | 2017-11-24 | 2018-04-20 | 安徽国华电缆集团有限公司 | A kind of fluoroplastic high-temperature-resistant power cable |
| CN207781250U (en) * | 2018-02-11 | 2018-08-28 | 广州锦新通信有限责任公司 | High temperature-resistant cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156005A (en) * | 2021-11-11 | 2022-03-08 | 江苏永鼎电气有限公司 | High-temperature sealing adhesive conductor and application thereof in automobile wire harness |
| WO2024022020A1 (en) * | 2022-07-27 | 2024-02-01 | 河源市可顺绝缘材料有限公司 | Insulated wire |
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Application publication date: 20190517 |
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