CN219418572U - PVC shielding double-sheath cable - Google Patents
PVC shielding double-sheath cable Download PDFInfo
- Publication number
- CN219418572U CN219418572U CN202320244348.XU CN202320244348U CN219418572U CN 219418572 U CN219418572 U CN 219418572U CN 202320244348 U CN202320244348 U CN 202320244348U CN 219418572 U CN219418572 U CN 219418572U
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- China
- Prior art keywords
- layer
- cable
- heat dissipation
- outer sheath
- inner core
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000004224 protection Effects 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 84
- 230000000694 effects Effects 0.000 description 6
- 230000005672 electromagnetic field Effects 0.000 description 4
- 230000009979 protective mechanism Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- -1 logical groove Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a PVC shielding double-sheath cable, which comprises a cable inner core and a heat dissipation mechanism, wherein the periphery of the cable inner core is provided with the heat dissipation mechanism, the heat dissipation mechanism comprises an outer sheath layer, through grooves, rubber belts, pistons, through holes and heat dissipation holes, the periphery of the cable inner core is coated with the outer sheath layer, the through grooves for heat dissipation are formed in the inner part of the outer sheath layer at equal intervals, the rubber belts are arranged on the surface of the outer sheath layer, the pistons inserted into the through grooves are arranged in the middle of the rubber belts, in the long-time use process of the cable, the pistons can be pushed outwards in an inner high-temperature state, the pistons can be slightly displaced until the heat dissipation holes extend to the outer part of the outer sheath layer, the heat in the cable can be dissipated from the heat dissipation holes along the through holes, and the rubber belts drive the pistons to reset after the temperature is reduced.
Description
Technical Field
The utility model relates to the technical field of double-sheath cables, in particular to a PVC shielding double-sheath cable.
Background
The cable is an aggregate composed of one or more insulated wire cores, and a coating layer, a total protection layer and an outer protection layer which can be respectively arranged on the insulated wire cores, and the cable can also be provided with additional conductors without insulation, mainly playing roles in power and signal transmission, has wide application in production and life, and has better durability.
The existing double-sheath cable has the following defects when in use: the double-sheath cable is composed of double-sheath structural layers, so that the double-sheath cable has good durability and wear resistance and long service life, but the heat dissipation performance is general due to the fact that the double-sheath structure is increased, and the high temperature generated by the inner core of the inner cable is not easy to dissipate when the double-sheath cable is used.
Disclosure of Invention
The utility model mainly aims to provide a PVC shielding double-sheath cable, which can well improve the heat dissipation effect of the cable and reduce the heating condition of the cable during use by a heat dissipation mechanism arranged on the periphery of an inner core of the cable, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a PVC shielding double-sheath cable, includes the cable inner core, still includes heat dissipation mechanism, cable inner core periphery is provided with heat dissipation mechanism, heat dissipation mechanism includes oversheath layer, logical groove, rubber tape, piston, through-hole and louvre, and cable inner core periphery cladding has the logical groove that carries out heat dissipation is offered to oversheath layer and the inside equidistance of oversheath layer, and oversheath layer surface is provided with rubber tape and rubber tape intermediate position and is provided with the piston that inserts to logical inslot portion.
Further, the cable comprises a protection mechanism, wherein the protection mechanism is arranged between the cable inner core and the outer sheath layer and comprises an insulating layer, a shielding layer and an inner sheath layer, the periphery of the cable inner core is coated with the insulating layer, the periphery of the insulating layer is coated with the shielding layer, and the inner sheath layer is arranged between the shielding layer and the outer sheath layer; the periphery of cable inner core has cladding in proper order insulating layer, shielding layer, inner sheath layer and oversheath layer, and insulating layer plays insulating isolated effect, and the shielding layer can shield electromagnetic field, and inner sheath layer and oversheath layer mutually support and play outside guard action to the cable.
Further, the positions of the rubber belts correspond to the positions of the through grooves, and the pistons are inserted into the through grooves; ensuring that the piston is in place and can move outwardly by a small amount when required.
Further, a through hole and a radiating hole are formed in the piston, and the radiating hole is communicated with the inside of the through hole; the main heat dissipation effect is realized through the cooperation of the through holes and the heat dissipation holes.
Further, the shielding layer is made of metal woven mesh, the inner sheath layers are made of PVC, and the outer sheath layers are made of polyurethane rubber; the normal use of the cable is ensured through the cooperation of each structural layer, and the overall strength of the cable is improved.
Compared with the prior art, the utility model has the following beneficial effects: the outermost periphery of the cable inner core is provided with an outer sheath layer, the surface of the outer sheath layer is provided with a rubber belt and a piston, the piston is inserted into the through groove, the piston is closed to the through groove in a normal use state, so that the surface of the outer sheath layer is closed, the inner temperature is continuously increased in the long-time use process of the cable, the piston can be pushed outwards in a high-temperature state, the piston can be slightly displaced until a heat dissipation hole extends to the outside of the outer sheath layer, the heat in the cable can be dissipated from the heat dissipation hole along the through hole, the rubber belt drives the piston to reset after the temperature is reduced, and compared with a traditional cable structure, the heat dissipation effect of the cable is further improved, and the heating condition of the cable is reduced; the periphery of cable inner core has cladding in proper order insulating layer, shielding layer, inner sheath layer and oversheath layer, and insulating layer plays insulating isolated effect, and the shielding layer can shield electromagnetic field, and inner sheath layer and oversheath layer mutually support and play outside guard action to the cable.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a PVC shielded double-sheath cable according to the present utility model.
Fig. 2 is a schematic structural diagram of a heat dissipation mechanism of a PVC shielded dual-sheath cable according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure of the PVC shielded double-sheath cable of fig. 2 at a.
In the figure: 1. a cable core; 2. a heat dissipation mechanism; 201. an outer sheath layer; 202. a through groove; 203. a rubber belt; 204. a piston; 205. a through hole; 206. a heat radiation hole; 3. a protective mechanism; 301. an insulating layer; 302. a shielding layer; 303. an inner sheath layer.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a PVC shielded double-sheath cable comprises a cable inner core 1, and further comprises a heat dissipation mechanism 2, wherein the outer periphery of the cable inner core 1 is provided with the heat dissipation mechanism 2, the heat dissipation mechanism 2 comprises an outer sheath layer 201, a through groove 202, a rubber belt 203, a piston 204, a through hole 205 and a heat dissipation hole 206, the outer periphery of the cable inner core 1 is coated with the outer sheath layer 201, the inner part of the outer sheath layer 201 is equidistantly provided with the through groove 202 for heat dissipation, the surface of the outer sheath layer 201 is provided with the rubber belt 203, and the middle position of the rubber belt 203 is provided with the piston 204 inserted into the inner part of the through groove 202.
The cable comprises a cable core 1, an outer sheath layer 201 and a protective mechanism 3, wherein the protective mechanism 3 is arranged between the cable core 1 and the outer sheath layer 201, the protective mechanism 3 comprises an insulating layer 301, a shielding layer 302 and an inner sheath layer 303, the insulating layer 301 is coated on the periphery of the cable core 1, the shielding layer 302 is coated on the periphery of the insulating layer 301, and the inner sheath layer 303 is arranged between the shielding layer 302 and the outer sheath layer 201; the periphery of the cable inner core 1 is sequentially coated with an insulating layer 301, a shielding layer 302, an inner sheath layer 303 and an outer sheath layer 201, the insulating layer 301 plays a role in insulating isolation, the shielding layer 302 can shield electromagnetic fields, and the inner sheath layer 303 and the outer sheath layer 201 are matched with each other to play an external protection role on the cable.
The position of the rubber belt 203 corresponds to the position of the through groove 202, the pistons 204 are inserted into the through groove 202, a through hole 205 and a heat dissipation hole 206 are formed in the piston 204, and the heat dissipation hole 206 is communicated with the inside of the through hole 205; ensuring that the piston 204 is in place and can move outwards by a small amount when required, the primary heat dissipation is achieved by the cooperation of the through holes 205 and the heat dissipation holes 206.
Wherein, the shielding layer 302 is made of metal woven mesh, the inner sheath layer 303 is made of PVC, and the outer sheath layer 201 is made of polyurethane rubber; the normal use of the cable is ensured through the cooperation of each structural layer, and the overall strength of the cable is improved.
It should be noted that, when the PVC shielding double-sheath cable is used, the outermost periphery of the cable inner core 1 is provided with the outer sheath layer 201, the surface of the outer sheath layer 201 is provided with the rubber belt 203 and the piston 204, and the piston 204 is inserted into the through groove 202, under the normal use state, the piston 204 closes the through groove 202, so that the surface of the outer sheath layer 201 is closed, the internal temperature is continuously raised in the long-time use process of the cable, the piston 204 can be pushed outwards in the internal high-temperature state, so that the piston 204 is slightly displaced until the heat dissipation hole 206 extends to the outside of the outer sheath layer 201, the heat in the cable can be dissipated from the position of the heat dissipation hole 206 along the through hole 205, and the rubber belt 203 drives the piston 204 to reset after the temperature reduction; the periphery of the cable inner core 1 is sequentially coated with an insulating layer 301, a shielding layer 302, an inner sheath layer 303 and an outer sheath layer 201, the insulating layer 301 plays a role in insulating isolation, the shielding layer 302 can shield electromagnetic fields, and the inner sheath layer 303 and the outer sheath layer 201 are matched with each other to play an external protection role on the cable.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a PVC shielding double-sheath cable, includes cable inner core (1), its characterized in that still includes heat dissipation mechanism (2), cable inner core (1) periphery is provided with heat dissipation mechanism (2), heat dissipation mechanism (2) are including oversheath layer (201), logical groove (202), rubber tape (203), piston (204), through-hole (205) and louvre (206), cable inner core (1) periphery cladding has oversheath layer (201) and the inside equidistance of oversheath layer (201) is offered and is carried out radiating logical groove (202), oversheath layer (201) surface is provided with rubber tape (203) and rubber tape (203) intermediate position is provided with inserts piston (204) to logical inslot (202).
2. A PVC shielded double jacketed cable according to claim 1, wherein: the novel cable comprises a cable inner core (1) and an outer sheath layer (201), and is characterized by further comprising a protection mechanism (3), wherein the protection mechanism (3) is arranged between the cable inner core (1) and the outer sheath layer (201), the protection mechanism (3) comprises an insulating layer (301), a shielding layer (302) and an inner sheath layer (303), the insulating layer (301) is coated on the periphery of the cable inner core (1), the shielding layer (302) is coated on the periphery of the insulating layer (301), and an inner sheath layer (303) is arranged between the shielding layer (302) and the outer sheath layer (201).
3. A PVC shielded double jacketed cable according to claim 1, wherein: the positions of the rubber belts (203) correspond to the positions of the through grooves (202), and the pistons (204) are inserted into the through grooves (202).
4. A PVC shielded double jacketed cable according to claim 1, wherein: a through hole (205) and a heat dissipation hole (206) are formed in the piston (204), and the heat dissipation hole (206) is communicated with the inside of the through hole (205).
5. A PVC shielded double jacketed cable according to claim 2, wherein: the shielding layer (302) is made of metal woven mesh, the inner sheath layer (303) is made of PVC, and the outer sheath layer (201) is made of polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244348.XU CN219418572U (en) | 2023-02-17 | 2023-02-17 | PVC shielding double-sheath cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244348.XU CN219418572U (en) | 2023-02-17 | 2023-02-17 | PVC shielding double-sheath cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219418572U true CN219418572U (en) | 2023-07-25 |
Family
ID=87233082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320244348.XU Active CN219418572U (en) | 2023-02-17 | 2023-02-17 | PVC shielding double-sheath cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219418572U (en) |
-
2023
- 2023-02-17 CN CN202320244348.XU patent/CN219418572U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A PVC shielded double sheathed cable Granted publication date: 20230725 Pledgee: Bank of China Limited Haiyan Branch Pledgor: HAIYAN EDSON SPECIAL CABLE Co.,Ltd. Registration number: Y2024980034553 |