CN112701528A - Fireproof high-voltage photovoltaic cable - Google Patents
Fireproof high-voltage photovoltaic cable Download PDFInfo
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- CN112701528A CN112701528A CN202011515151.2A CN202011515151A CN112701528A CN 112701528 A CN112701528 A CN 112701528A CN 202011515151 A CN202011515151 A CN 202011515151A CN 112701528 A CN112701528 A CN 112701528A
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- layer
- movably connected
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- insulating rubber
- cylinder
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Links
- 239000000463 material Substances 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 10
- 241001330002 Bambuseae Species 0.000 claims abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 10
- 239000011425 bamboo Substances 0.000 claims abstract description 10
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 10
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims description 19
- 239000010425 asbestos Substances 0.000 claims description 8
- 229910052895 riebeckite Inorganic materials 0.000 claims description 8
- 230000009970 fire resistant effect Effects 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 claims description 3
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims 4
- 230000006378 damage Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 13
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 239000000945 filler Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 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 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 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
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/622—Screw-ring or screw-casing
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of power cables and discloses a fireproof high-voltage photovoltaic cable which comprises an electric core, wherein the surface of the electric core is movably connected with a first insulating rubber layer, the surface of the first insulating rubber layer is movably connected with a cotton yarn layer, the surface of the cotton yarn layer is movably connected with a magnesium oxide fireproof insulating layer, and the surface of the magnesium oxide fireproof insulating layer is movably connected with a filling material. This fire prevention high pressure photovoltaic cable, through setting up the drum, an internal thread section of thick bamboo, sealing washer and a rubber tube, cooperate through drum and internal thread section of thick bamboo, can be in the same place cable junction, it is comparatively easy to make the connection of cable, the waste of time has been reduced, thereby the efficiency of wiring has been improved, seal the internal thread section of thick bamboo through the sealing washer, rainwater gets into the inside of cable when avoiding raining, thereby make the cable can not damage because of the entering of rainwater, through the rubber tube, avoid the workman when the wiring, the emergence accident causes the health injury.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a fireproof high-voltage photovoltaic cable.
Background
The high-voltage cable is one of power cables, is a power cable used for transmitting power between 1kv and 1000kv, is mainly applied to power transmission and distribution, and comprises the following components from inside to outside: conductor, insulation, inner sheath, filler, outer insulation.
Among the prior art, people are when connecting the photovoltaic cable, and current connecting device is comparatively troublesome when connecting the cable, can waste a large amount of time to the efficiency of wiring has been reduced, and the ability of current cable fire prevention is poor, causes the emergence of accident easily.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fireproof high-voltage photovoltaic cable which has the advantages of being convenient for connecting the cable and improving the fireproof capacity of the cable, and solves the problems that the existing cable connecting device is troublesome in cable connection and wastes a large amount of time, so that the wiring efficiency is reduced, and the existing cable is poor in fireproof capacity and is easy to cause accidents.
The invention provides the following technical scheme: the utility model provides a fire prevention high pressure photovoltaic cable, includes electric core, the surface swing joint of electric core has first insulating rubber layer, the surface swing joint on first insulating rubber layer has cotton yarn layer, the surface swing joint on cotton yarn layer has magnesium oxide fire prevention insulating layer, magnesium oxide fire prevention insulating layer's surface swing joint has filling material, filling material's surface swing joint has ceramic flame retardant coating, ceramic flame retardant coating's surface swing joint has the glass fiber layer, the surface swing joint on glass fiber layer has the asbestos layer, the surface swing joint on asbestos layer has second insulating rubber layer, this fixedly connected with drum in the surface on second insulating rubber layer, the thread groove has been seted up on the surface of drum, the surface threaded connection of thread groove has an internal thread section of thick bamboo, first round hole has been seted up on the surface of internal thread section of thick bamboo.
Preferably, the bearing is embedded in the inner wall of the first round hole, and a second insulating rubber layer is fixedly mounted on the inner wall of the bearing.
Preferably, the surface of the internal thread cylinder is fixedly connected with a rubber cylinder, a through hole is formed in the surface of the rubber cylinder, and the inner wall of the through hole is movably connected with the surface of the second insulating rubber layer.
Preferably, the surface of the internal thread cylinder is movably connected with a sealing ring, the inner wall of the sealing ring is movably connected with the surface of the cylinder, the surface of the sealing ring is movably connected with a circular plate, a second round hole is formed in the surface of the circular plate, and the inner wall of the second round hole is fixedly connected with the surface of the cylinder.
Preferably, the filler material is ceramic fibers.
Preferably, the surface of the second insulating rubber layer is fixedly connected with an aluminum silicate fiber layer, the surface of the aluminum silicate fiber layer is fixedly connected with a touch-resistant ceramic adhesive, the surface of the aluminum silicate fiber layer and the surface of the touch-resistant ceramic adhesive are respectively and movably connected with the surface of the cylinder, and the surface of the aluminum silicate fiber layer and the surface of the touch-resistant ceramic adhesive are respectively and movably connected with the surface of the rubber cylinder.
Preferably, the filler material is a fibrous lightweight refractory material.
Compared with the prior art, the invention has the following beneficial effects:
1. this fire prevention high pressure photovoltaic cable, through setting up the drum, an internal thread section of thick bamboo, sealing washer and a rubber cylinder, cooperate through drum and internal thread section of thick bamboo, can be in the same place cable junction, it is comparatively easy to make the connection of cable, the waste of time has been reduced, thereby the efficiency of wiring has been improved, seal the internal thread section of thick bamboo through the sealing washer, rainwater gets into the inside of cable when avoiding raining, thereby make the cable can not damage because of the entering of rainwater, the rethread rubber cylinder, avoid the workman when the wiring, the accident appears and causes the health injury.
2. The fireproof high-voltage photovoltaic cable is characterized in that an aluminum silicate fiber layer, a cotton yarn layer, a ceramic fireproof layer, a magnesium oxide fireproof insulating layer and a touch-resistant ceramic adhesive are arranged, the touch-resistant ceramic adhesive and the aluminum silicate fiber layer are matched to protect the surface of a second insulating rubber layer and prevent the second insulating rubber layer from being damaged by high temperature and abrasion, the cotton yarn has high heat resistance and can only cause the evaporation of water on cotton cloth at the temperature of below 110 ℃ and cannot damage the cotton fiber, the cotton yarn has hygroscopicity and can adsorb the water inside the cable, so that the interior of the cable is ensured not to be damaged by the water, the asbestos can bear the temperature of about 1400 ℃ through the asbestos layer, the cable can be protected from being easily damaged, the ceramic has high melting point through the ceramic fireproof layer and has excellent chemical stability at high temperature, and the linear expansion coefficient of the ceramic is lower than that of metal, when the temperature changes, the ceramic has good dimensional stability, so that the fire resistance of the cable can be improved, and accidents can not easily occur.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic right sectional view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a front view of the present invention shown in FIG. 1.
In the figure: 1. an electric core; 2. an asbestos layer; 3. a layer of aluminium silicate fibres; 4. a glass fiber layer; 5. a first insulating rubber layer; 6. a cotton yarn layer; 7. touch-resistant ceramic glue; 8. a second insulating rubber layer; 9. a magnesium oxide fire-resistant insulating layer; 10. a filler material; 11. a ceramic fire barrier layer; 12. a cylinder; 13. a thread groove; 14. an internal threaded barrel; 15. a rubber cylinder; 16. a first circular hole; 17. a bearing; 18. a circular plate; 19. a seal ring; 20. a through hole; 21. a second circular aperture.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a fireproof high-voltage photovoltaic cable comprises an electrical core 1, a first insulating rubber layer 5 is movably connected to the surface of the electrical core 1, a cotton yarn layer 6 is movably connected to the surface of the first insulating rubber layer 5, a magnesium oxide fireproof insulating layer 9 is movably connected to the surface of the cotton yarn layer 6, a filling material 10 is movably connected to the surface of the magnesium oxide fireproof insulating layer 9, the filling material 10 is ceramic fiber, the filling material 10 is a fibrous light fireproof material, and has the characteristics of light weight and high temperature resistance, and has fireproof capability for the cable, so as to ensure the normal use of the cable, the ceramic fireproof layer 11 is movably connected to the surface of the filling material 10, the glass fiber layer 4 is movably connected to the surface of the ceramic fireproof layer 11, the asbestos layer 2 is movably connected to the surface of the glass fiber layer 4, and a second insulating rubber layer 8 is movably connected to the surface of, the surface of the second insulating rubber layer 8 is fixedly connected with an aluminum silicate fiber layer 3, the surface of the aluminum silicate fiber layer 3 is fixedly connected with a touch-resistant ceramic adhesive 7, the surface of the aluminum silicate fiber layer 3 and the surface of the touch-resistant ceramic adhesive 7 are respectively movably connected with the surface of a cylinder 12, the surface of the aluminum silicate fiber layer 3 and the surface of the touch-resistant ceramic adhesive 7 are respectively movably connected with the surface of a rubber cylinder 15, the aluminum silicate fiber layer 3 is a novel, light and energy-saving refractory material and has the characteristic of high temperature resistance, the second insulating rubber layer 8 is guaranteed not to be damaged under the high-temperature irradiation of the sun, the touch-resistant ceramic adhesive 7 has higher wear resistance, the second insulating rubber layer 8 is prevented from being damaged due to abrasion, the cylinder 12 is fixedly connected with the surface of the second insulating rubber layer 8, a thread groove 13 is formed in the surface of the cylinder 12, and an internal thread cylinder, the surface of the internal thread cylinder 14 is provided with a first round hole 16, the inner wall of the first round hole 16 is embedded with a bearing 17, the inner wall of the bearing 17 is fixedly provided with a second insulating rubber layer 8, the bearing 17 prevents the first round hole 16 from directly contacting with the second insulating rubber layer 8, thereby preventing the first round hole 16 from directly contacting with the second insulating rubber layer 8 to generate abrasion, thereby prolonging the service time of the second insulating rubber layer 8, the surface of the internal thread cylinder 14 is fixedly connected with a rubber cylinder 15, the surface of the rubber cylinder 15 is provided with a through hole 20, the inner wall of the through hole 20 is movably connected with the surface of the second insulating rubber layer 8, the rubber cylinder 15 is used for protecting workers when connecting cables, thereby preventing accidents when the workers connect cables, the surface of the internal thread cylinder 14 is movably connected with a sealing ring 19, the inner wall of the sealing ring 19 is movably connected with the surface of the cylinder 12, and, the surface of the circular plate 18 is provided with a second round hole 21, the inner wall of the second round hole 21 is fixedly connected with the surface of the cylinder 12, and the sealing ring 19 is used for preventing rainwater from entering the cable when the surface is rainy, so that the cable is protected from being damaged due to rainwater.
The theory of operation, through drum 12 and the cooperation of an internal thread section of thick bamboo 14 for connecting cable, through sealing washer 19, the inside that rainwater got into the cable when avoiding raining damages the cable, makes second insulating rubber layer 8 surface can not be damaged by sunlight high temperature irradiation through aluminium silicate fiber layer 3, is protecting second insulating rubber layer 8 wearing and tearing through resistant ceramic glue 7 to make second insulating rubber layer 8 can not be broken easily.
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 (7)
1. The utility model provides a fire prevention high voltage photovoltaic cable, includes electric core (1), its characterized in that: the surface of the battery core (1) is movably connected with a first insulating rubber layer (5), the surface of the first insulating rubber layer (5) is movably connected with a cotton yarn layer (6), the surface of the cotton yarn layer (6) is movably connected with a magnesium oxide fireproof insulating layer (9), the surface of the magnesium oxide fireproof insulating layer (9) is movably connected with a filling material (10), the surface of the filling material (10) is movably connected with a ceramic fireproof layer (11), the surface of the ceramic fireproof layer (11) is movably connected with a glass fiber layer (4), the surface of the glass fiber layer (4) is movably connected with an asbestos layer (2), the surface of the asbestos layer (2) is movably connected with a second insulating rubber layer (8), the surface of the second insulating rubber layer (8) is fixedly connected with a cylinder (12), and a thread groove (13) is formed in the surface of the cylinder (12), the surface of the thread groove (13) is in threaded connection with an internal thread cylinder (14), and a first round hole (16) is formed in the surface of the internal thread cylinder (14).
2. A fire-resistant high-voltage photovoltaic cable according to claim 1, characterized in that: a bearing (17) is embedded in the inner wall of the first round hole (16), and a second insulating rubber layer (8) is fixedly mounted on the inner wall of the bearing (17).
3. A fire-resistant high-voltage photovoltaic cable according to claim 1, characterized in that: the surface of the internal thread cylinder (14) is fixedly connected with a rubber cylinder (15), a through hole (20) is formed in the surface of the rubber cylinder (15), and the inner wall of the through hole (20) is movably connected with the surface of the second insulating rubber layer (8).
4. A fire-resistant high-voltage photovoltaic cable according to claim 3, characterized in that: the surface swing joint of an internal thread section of thick bamboo (14) has sealing washer (19), the inner wall of sealing washer (19) and the surface swing joint of drum (12), the surface swing joint of sealing washer (19) has plectane (18), second round hole (21) have been seted up on the surface of plectane (18), the inner wall of second round hole (21) and the fixed surface of drum (12) are connected.
5. A fire-resistant high-voltage photovoltaic cable according to claim 1, characterized in that: the filling material (10) is ceramic fiber.
6. A fire-resistant high-voltage photovoltaic cable according to claim 1, characterized in that: the surface fixed connection of second insulating rubber layer (8) has aluminium silicate fiber layer (3), the fixed surface of aluminium silicate fiber layer (3) is connected with resistant ceramic glue (7), the surface of aluminium silicate fiber layer (3) and the surface of resistant ceramic glue (7) are respectively with the surface swing joint of drum (12), the surface of aluminium silicate fiber layer (3) and the surface of resistant ceramic glue (7) are respectively with the surface swing joint of rubber tube (15).
7. A fire-resistant high-voltage photovoltaic cable according to claim 1, characterized in that: the filling material (10) is a fibrous light refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515151.2A CN112701528A (en) | 2020-12-21 | 2020-12-21 | Fireproof high-voltage photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515151.2A CN112701528A (en) | 2020-12-21 | 2020-12-21 | Fireproof high-voltage photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112701528A true CN112701528A (en) | 2021-04-23 |
Family
ID=75507688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011515151.2A Pending CN112701528A (en) | 2020-12-21 | 2020-12-21 | Fireproof high-voltage photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112701528A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2346931A1 (en) * | 2008-11-13 | 2011-07-27 | Nexans | Fireproof electric cable |
| RU181342U1 (en) * | 2018-02-14 | 2018-07-11 | Акционерное общество "Особое конструкторское бюро кабельной промышленности" | SEALED FIRE RESISTANT CABLE |
| CN207690528U (en) * | 2017-12-29 | 2018-08-03 | 瑞鑫集团有限公司 | A kind of temperature resistant silicon rubber cable |
| CN108447610A (en) * | 2018-03-26 | 2018-08-24 | 江苏通鼎光电科技有限公司 | A kind of fire-retardant fireproof cable and preparation method thereof |
| CN208489024U (en) * | 2018-07-25 | 2019-02-12 | 安徽华通电缆集团有限公司 | A kind of waterproof insulation type power cable for rail transit |
| CN209543993U (en) * | 2018-12-22 | 2019-10-25 | 东莞市大为线缆有限公司 | A kind of power cable of acid/alkali-corrosion-resistant |
| CN209729546U (en) * | 2019-05-05 | 2019-12-03 | 安徽龙庵电缆集团有限公司 | A kind of mineral insulating flexible fireproof cable |
-
2020
- 2020-12-21 CN CN202011515151.2A patent/CN112701528A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2346931A1 (en) * | 2008-11-13 | 2011-07-27 | Nexans | Fireproof electric cable |
| CN207690528U (en) * | 2017-12-29 | 2018-08-03 | 瑞鑫集团有限公司 | A kind of temperature resistant silicon rubber cable |
| RU181342U1 (en) * | 2018-02-14 | 2018-07-11 | Акционерное общество "Особое конструкторское бюро кабельной промышленности" | SEALED FIRE RESISTANT CABLE |
| CN108447610A (en) * | 2018-03-26 | 2018-08-24 | 江苏通鼎光电科技有限公司 | A kind of fire-retardant fireproof cable and preparation method thereof |
| CN208489024U (en) * | 2018-07-25 | 2019-02-12 | 安徽华通电缆集团有限公司 | A kind of waterproof insulation type power cable for rail transit |
| CN209543993U (en) * | 2018-12-22 | 2019-10-25 | 东莞市大为线缆有限公司 | A kind of power cable of acid/alkali-corrosion-resistant |
| CN209729546U (en) * | 2019-05-05 | 2019-12-03 | 安徽龙庵电缆集团有限公司 | A kind of mineral insulating flexible fireproof cable |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |
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| RJ01 | Rejection of invention patent application after publication |