CN212257002U - Fireproof heat-resistant cable - Google Patents
Fireproof heat-resistant cable Download PDFInfo
- Publication number
- CN212257002U CN212257002U CN202021433564.1U CN202021433564U CN212257002U CN 212257002 U CN212257002 U CN 212257002U CN 202021433564 U CN202021433564 U CN 202021433564U CN 212257002 U CN212257002 U CN 212257002U
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- China
- Prior art keywords
- support frame
- heat
- cable core
- cable
- draw
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- 239000010410 layer Substances 0.000 claims abstract description 31
- 239000011241 protective layer Substances 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 239000002826 coolant Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000112 cooling gas Substances 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 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 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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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- Electric Cable Installation (AREA)
Abstract
The utility model belongs to the technical field of cable equipment, specifically disclose a fireproof heat-resistant cable, including stranded cable core, insulating layer, filling layer and protective layer, still include along the support frame of the length direction extension of cable core, just a plurality of draw-in grooves that are used for holding respectively are seted up to support frame ring self circumference, be the division board between the adjacent draw-in groove, in order to separate the cable core adjacent in the draw-in groove, and the division board is kept away from the one end of support frame and is all buckled to same direction, and adjacent division board overlap joint is in order to seal the draw-in groove, and every strand the cable core all wraps up the insulating layer, and outside the support frame from inside to outside sets gradually filling layer and protective layer; the utility model discloses still can last the power supply when realizing taking place the conflagration.
Description
Technical Field
The utility model belongs to the technical field of the cable equipment technique and specifically relates to a heat-resisting cable of fire prevention.
Background
Cables are widely used, and are closely related to work and life of people, and the cables generally comprise a multi-strand wire core, an insulating layer, a filling layer and a flame-retardant outer sheath from inside to outside. When remote power transmission is carried out, the cable is required to be ensured to have the functions of fire prevention and flame retardation, and in order to ensure the safety of data, people hope that after a fire disaster occurs, enough time is provided for normal power supply, all data can be returned to a cage before the whole network is paralyzed, and the data are transferred to a safe place, so that the possibility of data loss is reduced to the minimum, and the accident part of cable combustion at present is that the cable is burnt by an external fire source to cause the short circuit ignition of a plurality of cable cores and can not work normally;
the existing cable is only provided with a plurality of clapboards to separate a plurality of cable cores from each other, but after a protective layer and a filling layer wrapped outside the cable are burnt, the cable cores can be separated from the clapboards and fall into a fire to be burnt.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model aims at providing a fire prevention heat-resisting cable.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a fire prevention heat-resisting cable, includes stranded cable core, insulating layer, filling layer and protective layer, still includes the edge the support frame that the length direction of cable core extends, just a plurality of being used for respectively holding have been seted up to support frame ring self circumference the draw-in groove of cable core, be the division board between the adjacent draw-in groove, in order to be adjacent cable core in the draw-in groove separates, just the division board is kept away from the one end of support frame is all buckled to same direction, and is adjacent the division board overlap joint is in order to seal the draw-in groove, every strand cable core all wraps up the insulating layer, just the outer from interior to exterior of support frame sets gradually filling layer and protective layer.
Furthermore, a heat dissipation channel is arranged in the support frame and extends along the length direction of the support frame.
Further, the heat dissipation channel is communicated with a cooling medium.
Further, the cooling medium is cooling liquid or gas.
Further, the insulating layer of each cable core is wrapped with a water-swelling water-blocking tape.
Further, the inner wall of the clamping groove is provided with an insulating coating.
Furthermore, the periphery of the support frame is wound with a steel wire or a steel wire mesh.
Furthermore, the lap joints between the isolation plates are bonded.
Compared with the prior art, the utility model provides a fire prevention heat-resisting cable structure is unusual, including stranded cable core, insulating layer, filling layer and protective layer, and still include along the support frame of the length direction extension of cable core, and a plurality of draw-in grooves that are used for holding respectively are seted up to support frame ring self circumference, be the division board between the adjacent draw-in groove, in order to separate the cable core adjacent in the draw-in groove, and the division board is kept away from the one end of support frame and all is buckled to same direction, adjacent division board overlap joint is in order to seal the draw-in groove, every strand of cable core all wraps up the insulating layer, and outside the support frame from inside to outside sets gradually filling layer and protective layer;
through set up the support frame in the middle of the stranded cable core, just the support frame is provided with the division board in order to form the draw-in groove, is used for holding the cable core makes the stranded cable core keep apart each other, and puts into at the cable core behind the draw-in groove, the division board to a lateral buckling with adjacent the division board overlap joint is sealed the draw-in groove forms a passageway to avoid when encountering external conflagration, protective layer and filling layer damage and lead to the cable core to expose, cause the cable to open circuit, because the parcel and the isolation of division board are avoided the cable core exposes or short circuit each other.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fireproof heat-resistant cable.
In the figure: 1. the cable comprises a protective layer, 2 a filling layer, 3 a cable core, 4 an insulating layer, 5 a water-swelling water-blocking tape, 6 a partition board, 7 a clamping groove, 8 a supporting frame and 9 a heat dissipation channel.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
As shown in fig. 1, the fireproof and heat-resistant cable according to the embodiment of the present invention includes a plurality of cable cores 3, an insulating layer 4, a filling layer 2 and a protective layer 1, and it should be noted that the above-described structures are common structures of existing cables and are not described in detail; this cable still includes the edge support frame 8 that the length direction of cable core 3 extends, just a plurality of being used for respectively holding have been seted up to support frame 8 ring self circumference the draw-in groove 7 of cable core 3, be division board 6 between the adjacent draw-in groove 7, so as to be adjacent cable core 3 in the draw-in groove 7 separates, just division board 6 is kept away from the one end of support frame 8 is all buckled to same direction, realizes adjacent 6 overlap joints of division board are in order to seal draw-in groove 7 hinders cable core 3 follows draw-in groove 7 breaks away from, avoids cable core 3 and naked light direct contact, every strand cable core 3 all wraps up insulating layer 4, just support frame 8 is outer from interior to exterior sets gradually filling layer 2 and protective layer 1.
Use the utility model provides a during the heat-resisting cable of fire prevention, through set up support frame 8 in the middle of the stranded cable core 3, just support frame 8 is provided with division board 6 in order to form draw-in groove 7, is used for holding cable core 3 makes stranded cable core 3 keep apart each other, and puts into at cable core 3 behind draw-in groove 7, division board 6 to a lateral buckling with adjacent division board 6 overlap joint is sealed draw-in groove 7 forms a passageway to avoid when encountering external conflagration, protective layer 1 and filling layer 2 do not damage the back and lead to cable core 3 to expose, cause the cable to open circuit, because the parcel and the isolation of division board 6 are avoided cable core 3 exposes or short circuit each other.
On the basis of the above embodiment, for better technical effect, the support frame 8 is provided with the heat dissipation channel 9 therein, the heat dissipation channel 9 extends along the length direction of the support frame 8, and the heat generated by the cable is absorbed through the heat dissipation channel 9 and is transmitted out, so that the heat dissipation of the cable is accelerated.
On the basis of the above embodiment, the heat dissipation channel 9 is filled with a cooling medium, the cooling medium absorbs heat transferred to the heat dissipation channel 9, the cooling medium may be cooling liquid or gas, the heat dissipation channel 9 may be sealed and not communicated with the outside, the cooling medium absorbs heat, or the cooling medium may be communicated with the outside, the cooling medium flows in the heat dissipation channel 9, so that heat exchange between the heat and the outside is carried away by the flow of the cooling medium, and no specific limitation is made herein.
Specifically, the support frame 8 is a long-strip cylindrical shape, the heat dissipation channel 9 is a through hole formed in the support frame 8, the through hole extends along the length direction of the support frame 8, and the support frame 8 is made of metal, so that the metal has good heat dissipation performance;
preferably, every insulating layer 4 of cable core 3 wraps up in water-swelling water-blocking tape 5, water-swelling water-blocking tape 5 meets the water and takes place the inflation to fill clearance in draw-in groove 7 realizes that cable core 3 and external world are sealed isolated, avoids influencing the external adoption water and carries out conflagration fire rescue.
Specifically, the inner wall of draw-in groove 7 sets up insulating coating, further guarantees the isolation between the cable core 3, avoids behind the insulating layer 4 damage of cable core 3, cable core 3 passes through draw-in groove 7 takes place the short circuit.
For better technological effect, the periphery winding of support frame 8 has steel wire or wire net, through steel wire or wire net reinforcement support frame 8 will including support frame 8 and cable core 3 all wrap up, avoid the division board 6 resumes deformation after buckling, in order to strengthen the leakproofness of draw-in groove 7 guarantees inseparable overlap joint between the division board 6.
Specifically, the joints between the isolation plates 6 are bonded by high temperature glue.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A fireproof heat-resistant cable comprises a plurality of cable cores (3), an insulating layer (4), a filling layer (2) and a protective layer (1), characterized in that the cable core also comprises a supporting frame (8) extending along the length direction of the cable core (3), and the circumference of the supporting frame (8) is provided with a plurality of clamping grooves (7) which are respectively used for accommodating the cable cores (3), an isolation plate (6) is arranged between the adjacent clamping grooves (7), so as to separate the cable cores (3) in the adjacent clamping grooves (7), one ends of the isolating plates (6) far away from the supporting frame (8) are bent towards the same direction, the adjacent isolating plates (6) are lapped to seal the clamping grooves (7), the insulating layer (4) is wrapped outside each cable core (3), and the support frame (8) is sequentially provided with a filling layer (2) and a protective layer (1) from inside to outside.
2. A fireproof and heat-resistant cable according to claim 1, wherein a heat dissipation channel (9) is provided in the support frame (8), and the heat dissipation channel (9) extends along the length direction of the support frame (8).
3. A fire and heat resistant cable according to claim 2, characterized in that the heat dissipation channel (9) is filled with a cooling medium.
4. A fire and heat resistant cable according to claim 3, wherein the cooling medium is a cooling liquid or gas.
5. A flameproof and heat-resistant cable according to claim 1, characterized in that the insulating layer (4) of each cable core (3) is coated with a water-swellable water-blocking tape (5).
6. Fireproof and heat-resistant cable according to claim 1, characterized in that the inner wall of the clamping groove (7) is provided with an insulating coating.
7. A fireproof and heat-resistant cable according to claim 1, wherein the support frame (8) is wrapped with steel wire or steel mesh around its periphery.
8. A fire and heat resistant cable according to claim 1, characterized in that the overlap between the insulation sheets (6) is glued.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021433564.1U CN212257002U (en) | 2020-07-20 | 2020-07-20 | Fireproof heat-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021433564.1U CN212257002U (en) | 2020-07-20 | 2020-07-20 | Fireproof heat-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212257002U true CN212257002U (en) | 2020-12-29 |
Family
ID=73979785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021433564.1U Active CN212257002U (en) | 2020-07-20 | 2020-07-20 | Fireproof heat-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212257002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
| CN115085113A (en) * | 2022-08-23 | 2022-09-20 | 山东博诚电气有限公司 | External protection structure for underground high-voltage-resistant cable |
-
2020
- 2020-07-20 CN CN202021433564.1U patent/CN212257002U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
| CN114460699B (en) * | 2021-12-27 | 2024-02-20 | 富通集团（嘉善）通信技术有限公司 | Anti-twisting optical cable |
| CN115085113A (en) * | 2022-08-23 | 2022-09-20 | 山东博诚电气有限公司 | External protection structure for underground high-voltage-resistant cable |
| CN115085113B (en) * | 2022-08-23 | 2022-11-08 | 山东博诚电气有限公司 | External protection structure for underground high-voltage-resistant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee after: Hongfeng Cable Co.,Ltd. Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee before: HENAN HONGFENG CABLE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee after: Hongfeng Cable Co.,Ltd. Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee before: Hongfeng Cable Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |