CN212032735U - Fireproof cable convenient to cut off - Google Patents
Fireproof cable convenient to cut off Download PDFInfo
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- CN212032735U CN212032735U CN202021141795.5U CN202021141795U CN212032735U CN 212032735 U CN212032735 U CN 212032735U CN 202021141795 U CN202021141795 U CN 202021141795U CN 212032735 U CN212032735 U CN 212032735U
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- 230000002265 prevention Effects 0.000 claims abstract description 17
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 86
- 239000003063 flame retardant Substances 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 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 description 18
- 230000004927 fusion Effects 0.000 claims description 17
- 239000011241 protective layer Substances 0.000 claims description 9
- 230000009970 fire resistant effect Effects 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 12
- 239000004020 conductor Substances 0.000 abstract description 8
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 6
- 239000008397 galvanized steel Substances 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000009421 internal insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a fireproof cable convenient to cut off, including stating the cable body, the cable body is formed by the concatenation of multistage conductive core head and the tail, be provided with the self-imposed-cutting subassembly on the cable body, the self-imposed-cutting subassembly includes the stereoplasm piece that conductive core end fixing set up, the outer fault and the interior fault of fusing of the fire prevention inflation body and the cladding fire prevention inflation body of the fire prevention inflation body that adjacent conductive core hookup location set up, the stereoplasm piece sets up in the tip of the fire prevention inflation body, the one end fixed connection of conductive core is kept away from to outer fault and stereoplasm piece, the one end fixed connection that interior fault and stereoplasm piece are close to conductive core. The utility model discloses outer melting layer and interior melting layer all fuse when taking place the conflagration, fire prevention expanded material takes place to expand in order to promote stereoplasm piece to both sides, and the stereoplasm piece drives the direction removal that the conductor core orientation was kept away from each other to this connection between each section of automatic cutout cable body prevents that the intensity of a fire from stretching along the trend of cable, has the effect that reduces the conflagration loss.
Description
Technical Field
The utility model belongs to the technical field of the cable technique and specifically relates to a fireproof cable convenient to cut off is related to.
Background
Cables are typically made by stranding several or more groups of at least two conductors, each group insulated from one another and often twisted around a center, with an outer layer of the conductors typically being coated with an insulating layer, and a jacket over the insulating layer to protect the conductors from damage. However, when the cable is used for transmitting electric power, a cable fire accident still happens occasionally, and the cable is ignited, which may be caused by the fault of the cable itself or may be caused by the fact that other equipment is ignited and then runs to the cable in series.
At present, chinese utility model patent of publication No. CN202523464U discloses a fireproof cable, including sinle silk, internal insulation layer, fire-retardant foam layer, metal inoxidizing coating, the oversheath that sets gradually from interior to exterior, be equipped with at least one sinle silk in the internal insulation layer, fire-retardant foam layer is microbubble honeycomb structure, and the metal inoxidizing coating is woven by the metal filament line and is formed. When the cable meets open fire, the fireproof performance of the cable can be enhanced through the multi-layer fireproof design.
The above prior art solutions have the following drawbacks: in order to reduce the number of connectors between cables, a whole longer cable is usually used, and once a fire occurs, the flame will spread rapidly along the cable, and the fire will grow in a short time, resulting in unpredictable losses.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a fireproof cable convenient to cut off, automatic cutout is connected between each section cable when the conflagration takes place, prevents that the intensity of a fire from stretching along the trend of cable, has the effect that reduces the conflagration loss.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a fireproof cable convenient to cut off, includes states the cable body, the cable body is formed by the concatenation of multistage conductive core end to end, be provided with the self-cutting subassembly on the cable body, the self-cutting subassembly includes stereoplasm piece, adjacent that conductive core end fixing set up the fire prevention inflation body and the cladding that conductive core hookup location set up the outer fault and the interior fault of melting of fire prevention inflation body, the stereoplasm piece set up in the tip of fire prevention inflation body, outer fault of melting with the stereoplasm piece is kept away from conductive core's one end fixed connection, interior fault of melting with the stereoplasm piece is close to conductive core's one end fixed connection.
Through adopting above-mentioned technical scheme, the fire prevention inflation body is made by fire prevention inflation material, fire prevention inflation material has good thermal expansion performance and heat-proof quality, outer fusing layer and interior fusing layer all fuse when the conflagration breaing out, fire prevention inflation material takes place the inflation, the fire prevention inflation body of inflation promotes the stereoplasm piece to both sides this moment, the stereoplasm piece drives the direction removal that the electrically conductive sinle silk orientation was kept away from each other, with the connection between each section of this automatic cutout cable body, and fire prevention inflation material fills between the electrically conductive sinle silk of disconnection, further prevent that the intensity of a fire from stretching along the trend of cable, the effect that has reduction conflagration loss.
The present invention may be further configured in a preferred embodiment as: the periphery of the conductive wire core is fixedly provided with a heat conduction column with good heat conduction performance, and the heat conduction column penetrates through the hard sheet and penetrates into the fireproof expansion body.
By adopting the technical scheme, the heat conducting column adopts the hot-dip galvanized steel wire which has good heat conducting performance, the arrangement of the heat conducting column is favorable for transferring heat to the fireproof expansion body, and the fireproof expansion body is rapidly heated and expanded through the heat conducting column when a fire disaster occurs, so that the fireproof performance of the cable is improved; and the hot-dip galvanized steel wire is corrosion-resistant, good in toughness and high in tensile strength, so that the cable is prevented from being damaged in the transportation and installation processes, and the cable body is well protected.
The present invention may be further configured in a preferred embodiment as: and a compression spring and a tension line are arranged in the fireproof expansion body, two ends of the tension line are respectively and fixedly connected with two ends of the compression spring, and two ends of the compression spring are abutted against the hard sheet.
Through adopting above-mentioned technical scheme, the taut line is made by PVC, the both ends of taut line respectively with compression spring's both ends fixed connection, make compression spring keep the contraction state, when the conflagration breaing out, the taut line is heated fusing, compression spring is expanded this moment, compression spring's elastic force effect is flicked stereoplasm piece to both sides, is favorable to the direction that the electric core orientation was kept away from each other to remove, thereby the effect of cable body automatic cutout has been strengthened.
The present invention may be further configured in a preferred embodiment as: the side wall of the conductive wire core is fixedly provided with an insulating layer, and a groove for mounting the hard sheet is formed in the outer side wall of the insulating layer.
Through adopting above-mentioned technical scheme, the insulating layer is made by rubber, and rubber nonconducting and texture are soft, play the effect of electrical insulation and protection electric conductor core, and stereoplasm piece fixed mounting is in the recess, and when the stereoplasm piece drove electric conductor core and moved to both sides, the recess formed the restriction to the stereoplasm piece, prevented that the stereoplasm piece from breaking away from electric conductor core to the effect of cable body automatic cutout has been ensured.
The present invention may be further configured in a preferred embodiment as: one end of the conductive wire core protrudes out of the end face of the insulating layer, the other end of the conductive wire core is recessed in the insulating layer, and the protruding end of the conductive wire core is adjacent to the insulating layer in a plug-in fit mode.
Through adopting above-mentioned technical scheme, the protrusion end of conductive core inserts rather than adjacent insulating layer in, the tip laminating of adjacent conductive core this moment makes things convenient for adjacent conductive core's connection, and the insulating layer is to conductive core's restriction, prevents that conductive core from taking place the dislocation to the direction of its axis of perpendicular to the normal use of fireproof cable has been guaranteed.
The present invention may be further configured in a preferred embodiment as: and flanges for coating the hard sheet are fixedly connected to two ends of the outer fusion layer, and the flanges are tightly abutted to the hard sheet.
By adopting the technical scheme, the outer fusing layer and the inner fusing layer are respectively fixed at the upper end and the lower end of the hard sheet, so that the adjacent conductive wire cores can be fixedly connected, the outer fusing layer is coated on the hard sheet by the arranged flange, and the hard sheet is limited, so that the fixing effect between the outer fusing layer and the hard sheet is enhanced, and the stability of connection between the adjacent conductive wire cores in transportation and use is further enhanced.
The present invention may be further configured in a preferred embodiment as: the outer side wall of the insulating layer is coated with a flame-retardant layer, and the flame-retardant layer is fixedly arranged on one side, away from the fireproof expansion body, of the hard sheet.
By adopting the technical scheme, the flame-retardant layer is made of alkali-free glass fibers, the alkali-free glass fibers are glass fibers with low alkali metal oxide content, and the alkali-free glass fibers are inorganic fibers, so that the flame-retardant cable has a good flame-retardant effect, and the fire resistance of the cable is improved.
The present invention may be further configured in a preferred embodiment as: and a protective layer for coating the whole cable body is fixedly arranged on the outer side wall of the flame-retardant layer.
By adopting the technical scheme, the protective layer adopts the crosslinked polyethylene, the crosslinked polyethylene utilizes a chemical method or a physical method to change polyethylene molecules from a linear molecular structure into a three-dimensional reticular structure, the modified polyethylene has good heat resistance and insulativity and high mechanical property, so that the fireproof, wear-resistant and impact-resistant properties of the cable are enhanced, and the protective layer coats the whole cable body to enhance the connection stability of the multi-section conductive wire cores.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when a fire disaster happens, the outer fusing layer and the inner fusing layer are fused, the fireproof expansion material expands to push the hard sheet to two sides, and the hard sheet drives the conductive wire cores to move towards the direction away from each other, so that the connection among all sections of the cable body is automatically cut off, and the fire is prevented from spreading along the direction of the cable;
2. the heat conducting column adopts hot-dip galvanized steel wires, so that heat can be transferred to the fireproof expansion body, and the fireproof expansion body is rapidly heated and expanded through the heat conducting column when a fire disaster occurs, so that the fireproof performance of the cable is improved;
3. taut line and compression spring's fixed connection compression spring keep the contraction state, and when the conflagration breaing out, taut line fusing of being heated, compression spring expand in order to bounce the stereoplasm piece to both sides, are favorable to the direction that the conductor core kept away from each other to remove, have strengthened the effect that cable body automatic cutout.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Reference numerals: 11. a conductive wire core; 12. an insulating layer; 121. a groove; 2. a self-disconnect assembly; 21. a hard plate; 22. an outer fusion layer; 221. a flange; 23. an internal fusion layer; 24. a fire-resistant intumescent body; 241. a compression spring; 242. tensioning the wire; 3. a flame retardant layer; 31. a heat-conducting column; 4. and a protective layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a fireproof cable convenient to cut off, including the cable body, from cutting off subassembly 2, fire-retardant layer 3 and protective layer 4. The cable body is divided into a plurality of sections of conductive wire cores 11, the conductive wire cores 11 are copper conductive wires, and the head and the tail of the adjacent conductive wire cores 11 are spliced and the end faces of the adjacent conductive wire cores 11 are attached.
Referring to fig. 1, an insulating layer 12 is sleeved and fixedly connected to a circumferential side wall of the conductive wire core 11, and a cross section of the insulating layer 12 is circular, and is made of rubber, which is non-conductive and soft, and has an effect of electrically insulating and protecting the conductive wire core 11. The one end protrusion insulating layer 12's of conductive core 11 terminal surface, the other end is sunken in the inside of insulating layer 12, and the protruding end of adjacent conductive core 11 is pegged graft with insulating layer 12 and is cooperated, prevents that adjacent conductive core 11 from taking place the dislocation to the direction of its axis of perpendicular to this normal use who guarantees fireproof cable.
Referring to fig. 1, the self-cutting assembly 2 is disposed on the cable body, and the self-cutting assembly 2 includes a hard sheet 21, a fireproof expansion body 24, an outer fusion layer 22, and an inner fusion layer 23. The hard sheet 21 is made of mica, which has good insulation and heat-insulating properties and is resistant to high temperatures. The hard sheet 21 is a circular ring-shaped sheet structure, the outer side wall of the end portion of the insulating layer 12 is provided with a groove 121, the lower portion of the hard sheet 21 is attached to and fixedly connected with the inner wall of the groove 121, and the groove 121 limits the hard sheet 21 and prevents the hard sheet 21 from being separated from the conductive wire core 11.
Referring to fig. 1, the outer fusing layer 22 and the inner fusing layer 23 are both made of PVC, the cross sections of the outer fusing layer 22 and the inner fusing layer 23 are both circular, and both ends of the outer fusing layer 22 and the inner fusing layer 23 are fixedly connected with the hard pieces 21 on the adjacent conductive wire cores 11. The inner fusing layer 23 is arranged at one end, far away from the conductive wire core 11, of the hard sheet 21, the inner side wall of the inner fusing layer is attached to and fixedly connected with the outer side wall of the insulating layer 12, the outer fusing layer 22 is arranged at one end, far away from the conductive wire core 11, of the hard sheet 21, and flanges 221 are formed at two ends of the outer fusing layer 22 in a uniform body mode. The flanges 221 are annular, the outer side walls of the flanges are flush with the outer side walls of the outer fusion layer 22, the side walls, close to each other, of the two flanges 221 are respectively abutted against the side walls, far away from each other, of the two hard plates 21, and at the moment, the outer fusion layer 22 covers the hard plates 21, so that the fixing effect between the outer fusion layer 22 and the hard plates 21 is enhanced.
Referring to fig. 1, the fireproof expansion body 24 is a block-shaped structure with an annular cross section, and the fireproof expansion body 24 covers the connection position of the adjacent conductive wire cores 11 and covers the outer fusion layer 22, the inner fusion layer 23 and the hard sheet 21 on the adjacent conductive wire cores 11. The fireproof expansion body 24 is made of fireproof expansion materials and has good thermal expansion performance and heat insulation performance, the outer fusion layer 22 and the inner fusion layer 23 are all fused when a fire disaster happens, the fireproof expansion materials expand and push the hard pieces 21 to two sides, and the hard pieces 21 drive the conductive wire cores 11 to move towards the direction away from each other, so that the connection between sections of the cable body is automatically cut off, and the fire is prevented from spreading along the trend of the cable.
Referring to fig. 1, the cross section of the flame retardant layer 3 is circular, and is disposed on one side of the hard sheet 21 away from the fireproof expansion body 24, the inner side wall of the flame retardant layer 3 is fixedly connected with the outer side wall of the insulating layer 12, the outer side wall of the flame retardant layer is flush with the outer side wall of the hard sheet 21, and the two ends of the flame retardant layer are fixedly connected with the hard sheets 21 at the two ends of the same conductive wire core 11. The flame-retardant layer 3 is made of alkali-free glass fiber which is inorganic fiber and has good flame-retardant effect, so that the fire resistance of the cable is improved. The protective layer 4 is cylindrical and covers the whole cable body, and the inner side wall of the protective layer 4 is fixedly connected with the flame-retardant layer 3 and the outer side wall of the outer fusion layer 22. The protective layer 4 is made of cross-linked polyethylene which has good heat resistance and insulativity, enhances the fireproof, wear-resistant and impact-resistant performances of the cable, and has high mechanical performance, thereby enhancing the connection stability of the multi-section conductive wire core 11.
Referring to fig. 1, a heat conduction column 31 is fixedly disposed on the periphery of the conductive wire core 11, and the heat conduction column 31 is made of a hot-dip galvanized steel wire, and the length direction of the hot-dip galvanized steel wire is consistent with the length direction of the conductive wire core 11. As shown in fig. 2, the heat-conducting columns 31 are uniformly distributed along the circumferential direction of the conductive core 11. The middle part of the heat conducting column 31 is positioned in the flame retardant layer 3, and both ends of the heat conducting column penetrate through the hard sheet 21 and penetrate into the fireproof expansion body 24. The hot dip galvanized steel wire has good heat conduction performance, and when a fire disaster happens, the heat conduction column 31 rapidly conducts heat to the fireproof expansion body 24, so that the fireproof expansion body 24 is heated to expand, and the fireproof performance of the cable is improved. A compression spring 241 and a tension line 242 are arranged in the fireproof expansion body 24, the compression spring 241 is sleeved on the heat conduction column 31, and two ends of the compression spring are abutted against the hard sheets 21 on the adjacent conductive wire cores 11. Both ends of straining line 242 respectively with compression spring 241's both ends fixed connection, make compression spring 241 keep the contraction state, strain line 242 and make by PVC, when the conflagration breaing out, strain line 242 is heated the fusing, compression spring 241 is expanded, and its elastic force effect is flicked stereoplasm piece 21 to both sides, is favorable to the direction removal of keeping away from mutually towards conductive core 11 to the effect of cable body automatic cutout has been strengthened.
The implementation principle of the embodiment is as follows: fireproof expansion body 24 is made by fireproof expansion material, fireproof expansion material has good thermal expansion performance and heat-proof quality, outer fusing layer 22 and interior fusing layer 23 all fuse when the conflagration breaing out, fireproof expansion material takes place the inflation, the expanded fireproof expansion body 24 promotes stereoplasm piece 21 to both sides this moment, stereoplasm piece 21 drives the direction removal that electrically conductive sinle silk 11 orientation kept away from each other, with the connection between each section of this automatic cutout cable body, and fireproof expansion material fills between the electrically conductive sinle silk 11 of disconnection, further prevented that the intensity of a fire from stretching along the trend of cable.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a fireproof cable convenient to cut off, includes and states the cable body, its characterized in that: the cable body is formed by the concatenation of multistage conductive core (11) end to end, be provided with on the cable body from cutting off subassembly (2), include from cutting off subassembly (2) hard piece (21), adjacent that conductive core (11) end fixing set up conductive core (11) hookup location sets up fire prevention inflation body (24) and cladding the outer fusion layer (22) and interior fusion layer (23) of fire prevention inflation body (24), hard piece (21) set up in the tip of fire prevention inflation body (24), outer fusion layer (22) with hard piece (21) is kept away from the one end fixed connection of conductive core (11), interior fusion layer (23) with hard piece (21) are close to the one end fixed connection of conductive core (11).
2. A severable fire-resistant cable according to claim 1 wherein: the periphery side of the conductive wire core (11) is fixedly provided with a heat conduction column (31) with good heat conduction performance, and the heat conduction column (31) penetrates through the hard sheet (21) and penetrates into the fireproof expansion body (24).
3. A severable fire-resistant cable according to claim 1 wherein: a compression spring (241) and a tension line (242) are arranged in the fireproof expansion body (24), two ends of the tension line (242) are fixedly connected with two ends of the compression spring (241), and two ends of the compression spring (241) are abutted against the hard sheet (21).
4. A severable fire-resistant cable according to claim 1 wherein: the side wall of the periphery of the conductive wire core (11) is fixedly provided with an insulating layer (12), and a groove (121) for mounting the hard sheet (21) is formed in the outer side wall of the insulating layer (12).
5. A severable fire-resistant cable according to claim 4 wherein: one end of the conductive wire core (11) protrudes out of the end face of the insulating layer (12), the other end of the conductive wire core is recessed in the insulating layer (12), and the protruding end of the conductive wire core (11) is adjacent to the insulating layer (12) in a plug-in fit mode.
6. A severable fire-resistant cable according to claim 1 wherein: two ends of the outer fusing layer (22) are fixedly connected with flanges (221) wrapping the hard sheet (21), and the flanges (221) are tightly abutted to the hard sheet (21).
7. A severable fire-resistant cable according to claim 4 wherein: the outer side wall of the insulating layer (12) is coated with a flame-retardant layer (3), and the flame-retardant layer (3) is fixedly arranged on one side, away from the fireproof expansion body (24), of the hard sheet (21).
8. A severable fire-resistant cable according to claim 7 wherein: and a protective layer (4) for coating the whole cable body is fixedly arranged on the outer side wall of the flame-retardant layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141795.5U CN212032735U (en) | 2020-06-18 | 2020-06-18 | Fireproof cable convenient to cut off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141795.5U CN212032735U (en) | 2020-06-18 | 2020-06-18 | Fireproof cable convenient to cut off |
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| CN212032735U true CN212032735U (en) | 2020-11-27 |
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| CN202021141795.5U Expired - Fee Related CN212032735U (en) | 2020-06-18 | 2020-06-18 | Fireproof cable convenient to cut off |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112768133A (en) * | 2020-12-30 | 2021-05-07 | 金太阳电缆有限公司 | Low-voltage fireproof cable |
| CN112965191A (en) * | 2021-01-22 | 2021-06-15 | 解正刚 | Optical cable protection is with preventing separately protector that ignites in succession |
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| CN114743725A (en) * | 2022-04-15 | 2022-07-12 | 江苏迅达线缆有限公司 | High-strength fire-resistant cable |
| CN115377744A (en) * | 2022-09-13 | 2022-11-22 | 晶锋集团股份有限公司 | A kind of anti-shock and anti-short circuit explosion-proof cable and its production process |
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| CN116189982A (en) * | 2023-03-24 | 2023-05-30 | 深圳中缆电缆集团有限公司 | A kind of heat-bearing strong carbon core cable |
| CN116525189A (en) * | 2023-07-04 | 2023-08-01 | 广州澳通电线电缆有限公司 | Inorganic material high flame-retardant fireproof cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112768133B (en) * | 2020-12-30 | 2022-04-26 | 金太阳电缆有限公司 | Low-voltage fireproof cable |
| CN112768133A (en) * | 2020-12-30 | 2021-05-07 | 金太阳电缆有限公司 | Low-voltage fireproof cable |
| CN112965191A (en) * | 2021-01-22 | 2021-06-15 | 解正刚 | Optical cable protection is with preventing separately protector that ignites in succession |
| CN114743725B (en) * | 2022-04-15 | 2024-06-07 | 江苏迅达线缆有限公司 | High-strength fire-resistant cable |
| CN114743725A (en) * | 2022-04-15 | 2022-07-12 | 江苏迅达线缆有限公司 | High-strength fire-resistant cable |
| CN114718543A (en) * | 2022-04-19 | 2022-07-08 | 山东科技大学 | A pipeline cutting device and method for realizing mobile gas injection of underground coal gasification |
| CN115377744A (en) * | 2022-09-13 | 2022-11-22 | 晶锋集团股份有限公司 | A kind of anti-shock and anti-short circuit explosion-proof cable and its production process |
| CN115881361A (en) * | 2022-12-27 | 2023-03-31 | 许德祥 | A high temperature resistant cable for charging pile |
| CN116189982A (en) * | 2023-03-24 | 2023-05-30 | 深圳中缆电缆集团有限公司 | A kind of heat-bearing strong carbon core cable |
| CN116189982B (en) * | 2023-03-24 | 2025-07-15 | 广东华新电缆实业有限公司 | Carbon core cable with strong heat resistance |
| CN116525189A (en) * | 2023-07-04 | 2023-08-01 | 广州澳通电线电缆有限公司 | Inorganic material high flame-retardant fireproof cable |
| CN116525189B (en) * | 2023-07-04 | 2023-12-12 | 广州澳通电线电缆有限公司 | Inorganic material high flame-retardant fireproof cable |
| CN117116547A (en) * | 2023-10-24 | 2023-11-24 | 广州宇洪科技股份有限公司 | Photoelectric composite cable and production system thereof |
| CN117116547B (en) * | 2023-10-24 | 2024-01-26 | 广州宇洪科技股份有限公司 | Optoelectronic composite cable and its production system |
| CN118507124A (en) * | 2024-06-19 | 2024-08-16 | 无锡市胜华电缆有限公司 | Fireproof cable for charging station |
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Granted publication date: 20201127 |