CN220400249U - Polyvinyl chloride insulated flexible cable - Google Patents
Polyvinyl chloride insulated flexible cable Download PDFInfo
- Publication number
- CN220400249U CN220400249U CN202321789442.XU CN202321789442U CN220400249U CN 220400249 U CN220400249 U CN 220400249U CN 202321789442 U CN202321789442 U CN 202321789442U CN 220400249 U CN220400249 U CN 220400249U
- Authority
- CN
- China
- Prior art keywords
- layer
- polyvinyl chloride
- filling groove
- flame
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 31
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 31
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- 239000004831 Hot glue Substances 0.000 claims abstract description 15
- 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 14
- 239000000428 dust Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 239000003094 microcapsule Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229940097886 phosphorus 32 Drugs 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a polyvinyl chloride insulated flexible cable, which relates to the technical field of wires and cables and comprises a rubber layer, wherein a first filling groove is uniformly formed in the outer side of the rubber layer, fire extinguishing dust is filled in the first filling groove, a low-temperature hot melt adhesive film is fixedly connected to the inner part of the first filling groove and is arranged at the top end of the fire extinguishing dust, a wire insulating layer is sleeved in the rubber layer, and a flame retardant layer is sleeved in the wire insulating layer. According to the utility model, the low-temperature hot melt adhesive film is fixedly connected to the inside of the first filling groove, when a fire disaster occurs around the cable, the high-temperature flame can melt the low-temperature hot melt adhesive film, so that the fire extinguishing dust filled in the first filling groove is contacted with the flame, the purpose of extinguishing the fire is achieved, the problem that the flame ignites the polyvinyl chloride insulated flexible cable to cause a fault short circuit in a community, even ignite surrounding combustible materials to cause the situation of expanding the fire is avoided.
Description
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a polyvinyl chloride insulated flexible cable.
Background
The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion; the broad sense of electric wire and cable is also simply referred to as cable, and the narrow sense of cable is referred to as insulated cable, which can be defined as: an aggregate consisting of; one or more insulated cores, and the respective coatings, total protective layers and outer protective layers that they may have, may also have additional uninsulated conductors.
In the prior art, for example, chinese patent No.: the copper core polyvinyl chloride insulated flexible cable of CN219163057U comprises an outer bushing, a winding copper core, a central copper core and a winding copper core fixing piece.
At present, when the existing polyvinyl chloride insulated flexible cable is installed in a cell, the existing polyvinyl chloride insulated flexible cable is often laid on the outer wall of a building, but if a household fire disaster occurs in the cell, the existing polyvinyl chloride insulated flexible cable can be ignited, so that a circuit in the cell is in fault and short circuit, and even surrounding combustible materials are ignited, so that the fire disaster is enlarged.
Disclosure of Invention
The utility model aims to solve the problems that when the existing polyvinyl chloride insulated flexible cable is installed in a cell in the prior art, the existing polyvinyl chloride insulated flexible cable is often laid on the outer wall of a building, but if a household fire disaster occurs in the cell, the existing polyvinyl chloride insulated flexible cable can be ignited, so that a fault short circuit occurs in a circuit in the cell, and even surrounding combustible materials are ignited, so that the fire disaster is enlarged.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a polyvinyl chloride insulated flexible cable, includes the rubber layer, the outside of rubber layer has evenly been seted up filling tank No. one, the inside filling tank No. one is filled with the dust of putting out a fire, the inside fixedly connected with low temperature hot melt adhesive film in filling tank No. one, low temperature hot melt adhesive film sets up the top at the dust of putting out a fire, the inside wire insulating layer that has cup jointed of rubber layer, the inside of wire insulating layer has cup jointed fire-retardant layer, the inside of fire-retardant layer has cup jointed the enhancement layer, the inside of enhancement layer has cup jointed the frame layer.
Preferably, a second filling groove is formed in the outer side of the flame retardant layer, and microcapsule red phosphorus is filled in the second filling groove.
Preferably, the inside of enhancement layer has seted up the mounting hole, the inside of mounting hole is filled with carbon fiber.
Preferably, the frame layer is provided with wire holes uniformly, and wires are sleeved in the wire holes.
Preferably, a third filling hole is formed in the center of the frame layer, and heat-conducting foam is filled in the third filling hole.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, the low-temperature hot melt adhesive film is fixedly connected to the inside of the first filling groove, when a fire disaster occurs around the cable, the high-temperature flame can melt the low-temperature hot melt adhesive film, so that the fire extinguishing dust filled in the first filling groove is contacted with the flame, the purpose of extinguishing the fire is achieved, the problem that the flame ignites the polyvinyl chloride insulated flexible cable to cause a fault short circuit in a community, even ignite surrounding combustible materials to cause the situation of expanding the fire is avoided.
2. According to the utility model, the flame-retardant layer is sleeved in the wire insulation layer, when the flame ignites the rubber layer, the flame burns to the flame-retardant layer, and the microcapsule red phosphorus filled in the second filling groove has strong thermal stability and flame retardance, so that the flame can be prevented from burning the polyvinyl chloride insulation flexible cable, and the polyvinyl chloride insulation flexible cable is protected.
Drawings
Fig. 1 is a schematic perspective view of a polyvinyl chloride insulated flexible cable according to the present utility model;
fig. 2 is a cross-sectional view of a polyvinyl chloride insulated flexible electrical power cable according to the present utility model;
fig. 3 is a partial enlarged view at a in fig. 2.
Legend description: 1. a rubber layer; 11. filling the groove I; 12. extinguishing dust; 13. a low temperature hot melt adhesive film; 2. a wire insulation layer; 3. a flame retardant layer; 31. filling a groove II; 32. microcapsule red phosphorus; 4. a reinforcing layer; 41. a mounting hole; 42. a carbon fiber; 5. a frame layer; 51. a wire guide; 52. a wire; 53. filling the hole III; 54. and heat conducting foam.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
1-3, the utility model provides a polyvinyl chloride insulated flexible cable, which comprises a rubber layer 1, wherein a first filling groove 11 is uniformly formed in the outer side of the rubber layer 1, fire extinguishing dust 12 is filled in the first filling groove 11, a low-temperature hot-melt adhesive film 13 is fixedly connected to the inner part of the first filling groove 11, the low-temperature hot-melt adhesive film 13 is arranged at the top end of the fire extinguishing dust 12, a wire insulation layer 2 is sleeved in the rubber layer 1, a flame retardant layer 3 is sleeved in the wire insulation layer 2, a reinforcing layer 4 is sleeved in the flame retardant layer 3, and a frame layer 5 is sleeved in the reinforcing layer 4.
The effect that its whole embodiment 1 reaches is, through the inside fixedly connected with low temperature hot melt adhesive film 13 at filling groove 11 No. one, when the conflagration appears around the cable, high temperature flame can make low temperature hot melt adhesive film 13 melt for fill the inside fire extinguishing dust 12 of filling groove 11 and flame contact, thereby reach the purpose of putting out a fire, avoid the flame to fire this polyvinyl chloride insulation flexible cable, lead to the line to appear trouble short circuit in the district, even ignite the combustible matter around, lead to the condition that the fire situation enlarges to appear.
In embodiment 2, as shown in fig. 2 and 3, a second filling groove 31 is formed in the outer side of the flame retardant layer 3, microcapsule red phosphorus 32 is filled in the second filling groove 31, a mounting hole 41 is formed in the reinforcing layer 4, carbon fibers 42 are filled in the mounting hole 41, wire holes 51 are uniformly formed in the frame layer 5, wires 52 are sleeved in the wire holes 51, a third filling hole 53 is formed in the center of the frame layer 5, and heat-conducting foam 54 is filled in the third filling hole 53.
The effect that its whole embodiment 2 reaches is, through cup jointing flame retardant coating 3 in the inside of wire insulating layer 2, when flame ignites rubber layer 1, flame burns flame retardant coating 3, the microcapsule red phosphorus 32 of packing in No. two filling grooves 31 inside has stronger heat stability and fire resistance, can prevent the flame to the burning of this polyvinyl chloride insulation flexible cable, thereby protect this polyvinyl chloride insulation flexible cable, in addition, the inside of mounting hole 41 is filled with carbon fiber 42, the intensity of carbon fiber 42 is higher, can improve this polyvinyl chloride insulation flexible cable's bulk strength, the heat that gives off when the heat conduction foam 54 of packing in No. three filling holes 53 can transmit wire 52 during operation, thereby carry out certain heat dissipation to wire 52.
Working principle: when fire occurs around the cable, the high-temperature flame can melt the low-temperature hot melt adhesive film 13, so that the fire extinguishing dust 12 filled in the first filling groove 11 contacts with the flame, thereby achieving the purpose of extinguishing the fire, when the flame ignites the rubber layer 2, the flame can burn to the flame retardant layer 3, the microcapsule red phosphorus 32 filled in the second filling groove 31 has stronger heat stability and flame retardance, the flame can be prevented from burning the polyvinyl chloride insulated flexible cable, thereby protecting the polyvinyl chloride insulated flexible cable, in addition, the carbon fiber 42 is filled in the mounting hole 41, the strength of the carbon fiber 42 is higher, the overall strength of the polyvinyl chloride insulated flexible cable can be improved, and the heat dissipation foam 54 filled in the third filling hole 53 can transfer the heat emitted by the wire 52 during operation, thereby carrying out certain heat dissipation on the wire 52.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides a polyvinyl chloride insulation flexible cable, includes rubber layer (1), its characterized in that: the fire-extinguishing device is characterized in that a first filling groove (11) is uniformly formed in the outer side of the rubber layer (1), fire-extinguishing dust (12) is filled in the first filling groove (11), a low-temperature hot-melt adhesive film (13) is fixedly connected to the inner side of the first filling groove (11), the low-temperature hot-melt adhesive film (13) is arranged at the top end of the fire-extinguishing dust (12), a wire insulating layer (2) is sleeved inside the rubber layer (1), a flame-retardant layer (3) is sleeved inside the wire insulating layer (2), a reinforcing layer (4) is sleeved inside the flame-retardant layer (3), and a frame layer (5) is sleeved inside the reinforcing layer (4).
2. A polyvinyl chloride insulated flexible electrical cable according to claim 1 wherein: and a second filling groove (31) is formed in the outer side of the flame retardant layer (3), and microcapsule red phosphorus (32) is filled in the second filling groove (31).
3. A polyvinyl chloride insulated flexible electrical cable according to claim 1 wherein: the inside of enhancement layer (4) has seted up mounting hole (41), the inside of mounting hole (41) is filled with carbon fiber (42).
4. A polyvinyl chloride insulated flexible electrical cable according to claim 1 wherein: wire holes (51) are uniformly formed in the frame layer (5), and wires (52) are sleeved in the wire holes (51).
5. A polyvinyl chloride insulated flexible electrical cable according to claim 1 wherein: and a third filling hole (53) is formed in the center of the frame layer (5), and heat-conducting foam (54) is filled in the third filling hole (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321789442.XU CN220400249U (en) | 2023-07-10 | 2023-07-10 | Polyvinyl chloride insulated flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321789442.XU CN220400249U (en) | 2023-07-10 | 2023-07-10 | Polyvinyl chloride insulated flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400249U true CN220400249U (en) | 2024-01-26 |
Family
ID=89613329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321789442.XU Active CN220400249U (en) | 2023-07-10 | 2023-07-10 | Polyvinyl chloride insulated flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400249U (en) |
-
2023
- 2023-07-10 CN CN202321789442.XU patent/CN220400249U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |