CN213339816U - High-temperature phase-change ceramic cable - Google Patents
High-temperature phase-change ceramic cable Download PDFInfo
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- CN213339816U CN213339816U CN202022352949.1U CN202022352949U CN213339816U CN 213339816 U CN213339816 U CN 213339816U CN 202022352949 U CN202022352949 U CN 202022352949U CN 213339816 U CN213339816 U CN 213339816U
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- cable
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- 239000000919 ceramic Substances 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 47
- 239000011241 protective layer Substances 0.000 claims abstract description 45
- 239000003063 flame retardant Substances 0.000 claims abstract description 30
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 22
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 11
- 238000009941 weaving Methods 0.000 claims description 11
- 239000010445 mica Substances 0.000 claims description 8
- 229910052618 mica group Inorganic materials 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 10
- 229920003020 cross-linked polyethylene Polymers 0.000 abstract description 7
- 239000004703 cross-linked polyethylene Substances 0.000 abstract description 7
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 6
- 230000006353 environmental stress Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 8
- 229910052736 halogen Inorganic materials 0.000 description 6
- 150000002367 halogens Chemical class 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000003878 thermal aging Methods 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a high temperature phase transition ceramic cable, including conductor, protective layer and flame retardant coating, the cavity has been seted up to the inner wall of protective layer, a plurality of connecting blocks of inner wall fixedly connected with of cavity, the other end fixedly connected with radiating film of connecting block, the outer wall of radiating film and the outer wall fixed connection of flame retardant coating, the inner chamber of flame retardant coating is provided with the insulating layer, the inner wall of insulating layer and the outer wall fixed connection of a plurality of conductors. The heat dissipation film through setting up is a brand-new heat conduction heat dissipation material, the fixed action to the flame retardant coating has been played to a plurality of connecting blocks of cavity cooperation of seting up, pottery silicon rubber is one kind can the porcelainizing novel compound silicon rubber material under high temperature, the phase transition is inorganic ceramic material when meetting high temperature, the insulating layer is crosslinked polyethylene material, molecular structure is stable, insulating mechanical structure, environmental stress resistance is chapped and thermal ageing resistance's performance is strong to reach the high effect of people factor of safety.
Description
Technical Field
The utility model belongs to the technical field of the cable conductor, concretely relates to high temperature phase transition ceramic cable.
Background
A cable is an electric energy or signal transmission device, generally a cable like rope formed by twisting several or several groups of wires, each group of wires is insulated from each other and usually twisted around a center, the whole outer surface is covered by a highly insulating covering layer, and the cable has the characteristics of internal electrification and external insulation. The cable is generally divided into a power cable and a communication cable, the power cable is a cable for transmitting power, and plays roles in power transmission, power distribution and power supply in a power system, the current of the power cable is generally larger, the communication cable is a cable for transmitting signals, wherein the communication cable comprises audio, digital signals and analog signals, and the cable is generally composed of a plurality of layers of structures and aims to protect the conductor at the innermost layer from being damaged by the outside.
The cable that chinese patent CN206907542U discloses, realized through the setting of encircleing pipe and guiding tube outside the cable is got rid of to the inside moisture of permeating the cable is effectual, effectively avoid moisture to stop causing the influence in the inside of cable to the normal use of cable, but along with the development of science and technology, people are also higher and higher to the performance requirement of cable, especially high temperature resistant performance, this cable structure is single, can not solve the problem of cable fire prevention effectively, be unfavorable for the security that people used, secondly this cable protection cover tensile strength and weatherability are low, short service life, produce corrosive gas during the burning easily, can cause environmental pollution, for this reason, it is very necessary to design a high temperature phase transition ceramic cable and satisfy people's demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature phase transition ceramic cable to propose current cable in the use among the above-mentioned background art of solution, because this cable structure is single, can not solve the problem of cable fire prevention effectively, secondly this cable protection cover tensile strength and wearability are low, produce corrosive gas easily during the burning, thereby lead to people's safety in utilization low and cable life weak point and cause environmental pollution's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature phase transition ceramic cable, includes conductor, protective layer and flame retardant coating, the cavity has been seted up to the inner wall of protective layer, a plurality of connecting blocks of inner wall fixedly connected with of cavity, the other end fixedly connected with heat dissipation film of connecting block, the outer wall of heat dissipation film and the outer wall fixed connection of flame retardant coating, the inner chamber of flame retardant coating is provided with the insulating layer, the inner wall of insulating layer and the outer wall fixed connection of a plurality of conductors, the outer wall fixedly connected with fixed block of protective layer.
Preferably, the protective layer includes outer protective layer, inner protective layer and weaving layer, the inner wall fixedly connected with weaving layer of outer protective layer, the inner wall fixedly connected with inner protective layer of weaving layer, the material of inner protective layer is mica.
Preferably, the fireproof layer is made of ceramic silicon rubber.
Preferably, the woven layer is made of fibers.
Preferably, the outer protective layer is made of a flame-retardant low-smoke halogen-free sheath.
Preferably, the outer wall of the insulating layer is wrapped with a filling rope.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the heat dissipation film is a brand new heat conduction and heat dissipation material and has unique crystal grain orientation, the lamellar structure can be well adapted to any surface, the arranged cavity is matched with a plurality of connecting blocks to play a role in fixing a fireproof layer, the heat generated by a conductor can be guided out by the heat dissipation film, and the heat insulation effect on the temperature of the outer layer of the protective sleeve can also be played, the ceramic silicon rubber is a novel composite silicon rubber material which can be vitrified at high temperature, all characteristics of the silicon rubber are kept at normal temperature, the ceramic silicon rubber is changed into an inorganic ceramic material when meeting high temperature, the ceramic silicon rubber is ablated to form a hard ceramic shell under the condition of fire, the ceramic silicon rubber does not drip or drop, has complete form and certain strength and electrical property, can protect a circuit from short circuit and open circuit, thereby ensuring the smoothness of electric power and communication, and maximally winning valuable rescue time, the insulation layer is made of cross-linked polyethylene material, the molecular structure is stable, the insulation mechanical structure, the environmental stress cracking resistance and the thermal aging resistance are strong, and the effect of high use safety coefficient of people is achieved.
2. The outer protective layer is made of the flame-retardant low-smoke halogen-free sheath, the cross-linked polyethylene flame-retardant material without halogen is adopted, the cable has better flame-retardant property, no halogen acid gas is emitted during cable combustion, the smoke volume of the cable is small, the cable has good weather resistance and flexibility, the basic characteristic is that in case of fire of the electric wire, the combustion can be limited in a local range, the spread is avoided, other various devices are kept, and larger loss is avoided, the filling rope mainly has the effects of keeping the cable round and improving the roundness of a cable finished product, the filling rope is also a flame-retardant material, the flame-retardant property of the cable finished product is further improved, the effects of improving the tensile resistance and the swing resistance of the cable can be also assisted, and the fiber braided layer protects the insulation from or is less damaged by the erosion of various light, heat, damp, low temperature, acid-base gas and the like and external mechanical force, the safe operation of the cable is ensured, so that the effects of long service life and no pollution to the environment during combustion are achieved.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic view of a partial structure of the woven layer of the present invention;
fig. 4 is a schematic view of a partial structure of the protective layer of the present invention.
In the figure: 1. connecting blocks; 2. a cavity; 3. a conductor; 4. an insulating layer; 5. filling a rope; 6. a fire barrier layer; 7. a heat dissipating film; 8. an outer protective layer; 9. weaving layer; 10. an inner protective layer; 11. a protective layer; 12. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high temperature phase transition ceramic cable, including conductor 3, protective layer 11 and flame retardant coating 6, cavity 2 has been seted up to protective layer 11's inner wall, a plurality of connecting blocks of inner wall fixedly connected with 1 of cavity 2, connecting block 1's other end fixedly connected with radiating film 7, the outer wall of radiating film 7 and the outer wall fixed connection of flame retardant coating 6, the material of flame retardant coating 6 is ceramic silicon rubber, the inner chamber of flame retardant coating 6 is provided with insulating layer 4, the inner wall of insulating layer 4 and the outer wall fixed connection of a plurality of conductors 3, the outer wall fixedly connected with fixed block 12 of protective layer 11.
In the embodiment, the heat dissipation film 7 is a brand-new heat conduction and dissipation material and is made of graphite flakes, the heat dissipation film has unique crystal grain orientation and uniformly conducts heat along two directions, the lamellar structure can be well adapted to any surface, the arranged cavity 2 is matched with the connecting blocks 1 to play a role in fixing the fireproof layer 6, the heat generated by the conductor 3 can be guided out by the heat dissipation film 7, the heat insulation effect on the outer layer temperature of the protective layer 11 can also be played, the ceramic silicon rubber is a novel composite silicon rubber material which can be vitrified at high temperature, all characteristics of the silicon rubber are maintained at normal temperature, the ceramic material is converted into an inorganic ceramic material when meeting high temperature, and under the condition of fire, the ceramic material is ablated by the silicon rubber to form a hard ceramic shell which does not drip or drop, has complete shape and certain strength and electrical performance, and can protect a circuit from short circuit, Open circuit to guarantee the unobstructed of electric power and communication, furthest wins the valuable rescue time, reduces casualties and loss of lives and property, insulating layer 4 is crosslinked polyethylene material, and molecular structure is stable, and insulating mechanical structure, environmental stress resistance are chapped with thermal aging's performance reinforce, and fixed block 12 that the 11 outer walls of protective layer set up makes things convenient for people to install it when using fixedly.
Example two:
as shown in fig. 1-4, on the basis of the first embodiment, the utility model provides a technical solution: protective layer 11 includes outer protective layer 8, inner protective layer 10 and weaving layer 9, and the inner wall fixedly connected with weaving layer 9 of outer protective layer 8, the inner wall fixedly connected with inner protective layer 10 of weaving layer 9, and 8 materials of outer protective layer are fire-retardant low smoke and zero halogen sheaths.
In this embodiment, the fire-retardant low smoke and zero halogen sheath is whole to adopt the crosslinked polyethylene flame retardant material who does not contain halogen, not only has better fire-retardant characteristic, and there is not haloid gas to emit when the cable burns, the smoke volume of cable is also little, the smoke volume also is close to recognized "low smoke" level, good weatherability has, and compliance, the fundamental characteristics is in case that the electric wire catches fire, can restrict the burning in local scope, do not produce and stretch, keep other various equipment, avoid causing bigger loss, the design of the different materials of 11 three-layer of protective layer, can be limited the high temperature resistant of cable that has improved, weather resistance, stretch-proofing effect.
Example three:
as shown in fig. 1-4, on the basis of the first embodiment and the second embodiment, the utility model provides a technical solution: the inner protective layer 10 is made of mica, and the outer wall of the insulating layer 4 is wound with a filling rope 5.
In the embodiment, mica is a rock-making mineral, and has the characteristics of insulation, high temperature resistance, stable physical and chemical properties, and good heat insulation, elasticity and toughness, wherein the mica insulation property is determined by the electrical property of mica, when the thickness of a mica sheet is 0.015mm, the average breakdown voltage is 2.0-5.7 kV, the breakdown strength is 133-407 kV/mm, the filling rope 5 mainly serves to keep the cable round and improve the round degree of a cable finished product, and meanwhile, the filling rope 5 is also a flame-retardant material, so that the flame retardant property of the cable finished product is further improved, and the effects of improving the tensile resistance and the swing resistance of the cable can be assisted.
Example four:
as shown in fig. 1-4, on the basis of the second embodiment, the utility model provides a technical solution: the braided layer 9 is made of fiber.
In this embodiment, the fiber braided layer is a form of its light protective layer 11, protects the insulation from or is less damaged by various kinds of light, heat, moisture, low temperature, acid and alkali gases and the like and external mechanical force, and ensures the safe operation of the cable, and the fiber braided layer is disposed in the middle of the protection, thereby enhancing the tear resistance of the protective layer 11 to enhance the strength of the protective layer 11.
The utility model discloses a theory of operation and use flow: the heat dissipation film 7 is a brand new heat conduction and dissipation material, has unique crystal grain orientation, conducts heat uniformly along two directions, the lamellar structure can adapt to any surface well, the arranged cavity 2 is matched with the plurality of connecting blocks 1 to play a role in fixing the fireproof layer 6, the heat generated by the conductor 3 can be guided out by the heat dissipation film 7, and the heat insulation effect on the outer layer temperature of the protective layer 11 can also be played, the ceramic silicon rubber is a novel composite silicon rubber material which can be vitrified at high temperature, all characteristics of the silicon rubber are kept at normal temperature, the ceramic silicon rubber is changed into an inorganic ceramic material when meeting high temperature, the insulating layer 4 is a crosslinked polyethylene material, the molecular structure is stable, the insulating mechanical structure and the environmental stress cracking resistance and the thermal aging resistance are strong, the flame-retardant low-smoke halogen-free sheath is completely made of the halogen-free crosslinked polyethylene flame-retardant material, and has better flame-retardant property, and no halogen acid gas is discharged when the cable is burnt, the smoke volume of the cable is small, the cable has good weather resistance and flexibility, the fundamental characteristic is that in case of fire accident of the electric wire, the burning can be limited in a local range, and the spreading is not generated, the mica has the characteristics of insulation, high temperature resistance, stable physical and chemical properties, good heat insulation, elasticity and toughness, the main function of the filling rope 5 is to keep the cable round and improve the roundness of the finished cable product, and can also assist in improving the stretching resistance and the swinging resistance of the cable, the fiber braided layer protects the insulation from or is less damaged by the erosion of various light, heat, damp, low temperature, acid-base gas and the like and external mechanical force, the safe operation of the cable is ensured, and the fixing block 12 arranged on the outer wall of the protective layer 11 is convenient for people to install and fix the cable when in use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high temperature phase transition ceramic cable, includes conductor (3), protective layer (11) and flame retardant coating (6), its characterized in that: cavity (2) have been seted up to the inner wall of protective layer (11), a plurality of connecting blocks (1) of inner wall fixedly connected with of cavity (2), the other end fixedly connected with heat dissipation membrane (7) of connecting block (1), the outer wall of heat dissipation membrane (7) and the outer wall fixed connection of flame retardant coating (6), the inner chamber of flame retardant coating (6) is provided with insulating layer (4), the inner wall of insulating layer (4) and the outer wall fixed connection of a plurality of conductors (3), the outer wall fixedly connected with fixed block (12) of protective layer (11).
2. A high temperature phase change ceramic cable according to claim 1, wherein: protective layer (11) include outer protective layer (8), inner protective layer (10) and weaving layer (9), the inner wall fixedly connected with weaving layer (9) of outer protective layer (8), the inner wall fixedly connected with inner protective layer (10) of weaving layer (9), the material of inner protective layer (10) is mica.
3. A high temperature phase change ceramic cable according to claim 1, wherein: the fireproof layer (6) is made of ceramic silicon rubber.
4. A high temperature phase change ceramic cable according to claim 2, wherein: the weaving layer (9) is made of fibers.
5. A high temperature phase change ceramic cable according to claim 2, wherein: the outer protective layer (8) is made of a flame-retardant low-smoke halogen-free sheath.
6. A high temperature phase change ceramic cable according to claim 1, wherein: and the outer wall of the insulating layer (4) is wound with a filling rope (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022352949.1U CN213339816U (en) | 2020-10-21 | 2020-10-21 | High-temperature phase-change ceramic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022352949.1U CN213339816U (en) | 2020-10-21 | 2020-10-21 | High-temperature phase-change ceramic cable |
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| Publication Number | Publication Date |
|---|---|
| CN213339816U true CN213339816U (en) | 2021-06-01 |
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| CN202022352949.1U Expired - Fee Related CN213339816U (en) | 2020-10-21 | 2020-10-21 | High-temperature phase-change ceramic cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936852A (en) * | 2021-09-16 | 2022-01-14 | 安徽电缆股份有限公司 | Weather-resistant cable and preparation method thereof |
-
2020
- 2020-10-21 CN CN202022352949.1U patent/CN213339816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936852A (en) * | 2021-09-16 | 2022-01-14 | 安徽电缆股份有限公司 | Weather-resistant cable and preparation method thereof |
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