CN117457276B - Composite power cable - Google Patents
Composite power cable Download PDFInfo
- Publication number
- CN117457276B CN117457276B CN202311801775.4A CN202311801775A CN117457276B CN 117457276 B CN117457276 B CN 117457276B CN 202311801775 A CN202311801775 A CN 202311801775A CN 117457276 B CN117457276 B CN 117457276B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- armor
- metal layer
- interior
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 37
- 239000004020 conductor Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
-
- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- 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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
Landscapes
- Cable Accessories (AREA)
Abstract
The invention belongs to the technical field of cables, and particularly discloses a composite power cable which comprises an outer sleeve body and a conducting structure, wherein an outer retainer is fixedly connected to the outer wall of the outer sleeve body, the outer retainer is distributed at equal intervals along the axis of the outer sleeve body, guide grooves are formed in the outer retainer, a first inner clamping ring and a second inner clamping ring are fixedly connected to the inner wall of the outer sleeve body, an outer clamping ring is embedded between the first inner clamping ring and the second inner clamping ring, the outer clamping ring is fixedly connected to the outer wall of an armor metal layer, and the armor metal layer is sleeved on the conducting structure. When the cable is in actual use, more heat is stored in the lap joint part of the cable, the phenomenon of unstable transmission of the cable is avoided, workers can conveniently install the cable and external equipment, heat conduction on the cable can be facilitated, and heat concentration on the cable can be avoided.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly discloses a composite power cable.
Background
A composite power cable is one type of high voltage power cable, typically consisting of one or more cores, surrounded by an insulating layer and a jacket layer. These cables are commonly used for high voltage power transmission, with higher voltage levels and larger cross-sectional areas. This kind of cable can produce great heat at in-service use's in-process, and these heat are difficult for dissipation generally, form high temperature around the cable easily, and then lead to the installation department of cable to have the potential safety hazard, and the material of current cable oversheath is PVC material generally simultaneously, and this kind of material produces deformation easily when meetting high temperature, and the oversheath after receiving high temperature deformation is when receiving the extrusion, leads to oversheath and combined material to break away from easily, and then leads to the oversheath to cable combined material's protection effect to reduce.
Therefore, the existing composite power cable cannot meet the requirements in practical use, so there is an urgent need for an improved technology to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a composite power cable.
In order to achieve the above purpose, the invention provides a composite power cable, which comprises an outer sleeve body and a conducting structure, wherein an outer retainer is fixedly connected to the outer wall of the outer sleeve body, the outer retainer is distributed at equal intervals along the axis of the outer sleeve body, guide grooves are formed in the outer retainer, a first inner clamping ring and a second inner clamping ring are fixedly connected to the inner wall of the outer sleeve body, an outer clamping ring is embedded between the first inner clamping ring and the second inner clamping ring, the outer clamping ring is fixedly connected to the outer wall of an armor metal layer, and the armor metal layer is sleeved on the conducting structure.
In the above technical scheme, further, the conduction structure comprises an inner sleeve, a heat insulation filling material is embedded between the inner sleeve and the armored metal layer, and an inner armored layer is inserted in the inner sleeve.
In the above technical scheme, further, the outer wall fixedly connected with external heat conduction screw thread of interior armor, the inner wall fixedly connected with internal heat conduction screw thread of interior armor, the structure of internal heat conduction screw thread and external heat conduction screw thread is the same.
In the above technical scheme, further, the first opening has been seted up on the interior armor, overlap joint has the protrusion strip on the first opening, the integrative fixed connection of the other end of protrusion strip and interior armor.
In the above technical scheme, further, outer rand is equidistant to be distributed to the outer wall of armor metal level, outer rand is equidistant to be distributed along the axis of armor metal level, the joint hole has been seted up to the one end of outer rand, the grafting strip has been seted up to the other end of outer rand, grafting strip and joint hole mutually support.
In the above technical scheme, further, the overlap joint groove has been seted up to the position that is close to the joint hole on the armor metal level, the position fixedly connected with overlap joint strip that is close to the grafting strip on the armor metal level, the spliced eye has been seted up to the inner wall that is located the overlap joint groove on the armor metal level, the bottom surface fixedly connected with spliced pole of overlap joint strip, spliced pole passes through spliced eye and armor metal level joint.
In the above technical scheme, further, the inner wall embedding of interior armor is provided with the ferrule, the embedded groove has been seted up to the inner wall of ferrule, the inside embedding of embedded groove is provided with interior rubber circle, the one end of interior rubber circle is through stationary blade fixedly connected with mount pad, the bolt hole has been seted up on the mount pad, the outside fixedly connected with rectangle inserted bar of mount pad, rectangular channel has been seted up to the tip of ferrule, rectangular channel and rectangle inserted bar mutually support.
In the above technical scheme, further, the inner wall butt of interior rubber circle has interior protection pipe, can dismantle on the interior protection pipe and be connected with the bracing piece, the one end fixedly connected with butt circle of bracing piece deviating from interior protection pipe, butt circle and interior rubber circle concentric distribution, the equidistant distribution of axis along the band of butt circle, every two are adjacent through fixed branch strip fixed connection between the butt circle.
In the above technical scheme, further, the signal shielding filler is filled between interior protection tube and the interior armor, the inside grafting of interior protection tube has the conductor protection tube, the inside grafting of conductor protection tube has the conductor structure, it has the heat conduction filler material to fill between conductor protection tube and the interior protection tube.
Compared with the prior art, the invention has the following beneficial effects:
1. when the cable is in actual use, more heat exists at the lap joint part of the cable, and the phenomenon of unstable transmission of the cable is avoided.
2. When the cable is in actual use, workers can conveniently install the cable and external equipment.
3. When the cable is in actual use, heat conduction on the cable can be facilitated, and heat concentration on the cable can be avoided.
Drawings
FIG. 1 is a schematic diagram of a composite power cable according to the present invention;
FIG. 2 is a schematic view of the connection structure of the outer retainer, the first inner collar, the second inner collar and the outer sleeve according to the present invention;
fig. 3 is a schematic diagram of a connection structure between an armor metal layer and an outer collar according to the present invention;
FIG. 4 is a schematic diagram of the connection structure of the inner armor layer and the external heat conducting threads, and the internal heat conducting threads according to the present invention;
fig. 5 is a schematic view of a connection structure between an outer collar and an armoured metal layer according to the present invention;
FIG. 6 is a schematic view showing the connection structure of the band and the inner protective tube according to the present invention;
FIG. 7 is a schematic view of a connection structure of a ferrule and an abutment ring according to the present invention;
FIG. 8 is a schematic view showing the connection structure of the inner rubber ring and the ferrule according to the present invention.
In the figure: 1. a jacket body; 2. an armoured metal layer; 3. a thermally insulating filler material; 4. an inner sleeve; 5. an inner armor layer; 6. a conductor structure; 7. a signal shielding filler; 8. a thermally conductive filler material; 9. an inner protective tube; 10. a conductor protection tube; 11. a first inner collar; 12. a second inner collar; 13. a diversion trench; 14. an outer retainer; 15. an outer collar; 16. an internal thermally conductive thread; 17. an external thermally conductive thread; 18. a first opening; 19. a protruding strip; 20. a clamping hole; 21. a lap joint strip; 22. a plug strip; 23. inserting a connecting rod; 24. a lap joint groove; 25. a plug hole; 26. a hoop; 27. fixing the support strip; 28. a support rod; 29. an abutment ring; 30. a fixing piece; 31. an inner rubber ring; 32. an embedding groove; 33. rectangular grooves; 34. a rectangular insert rod; 35. bolt holes; 36. and (5) a mounting seat.
Detailed Description
So that the manner in which the above recited features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized below, may be had by reference to the appended drawings.
The composite power cable shown in fig. 1-8 comprises an outer sleeve body 1 and a conducting structure, wherein an outer retainer 14 is fixedly connected to the outer wall of the outer sleeve body 1, the outer retainer 14 is distributed at equal intervals along the axis of the outer sleeve body 1, guide grooves 13 are formed in the outer retainer 14, a first inner clamping ring 11 and a second inner clamping ring 12 are fixedly connected to the inner wall of the outer sleeve body 1, an outer clamping ring 15 is embedded between the first inner clamping ring 11 and the second inner clamping ring 12, the outer clamping ring 15 is fixedly connected to the outer wall of an armor metal layer 2, the armor metal layer 2 is sleeved on the conducting structure, the contact area between the outer sleeve body 1 and external equipment can be reduced when the outer retainer 14 is in actual use, volatilization heat of the outer sleeve body 1 can be facilitated, the heat dissipation efficiency of the outer retainer 14 can be further improved, and when the outer retainer 14 is subjected to thermal expansion, separation of the outer sleeve body 1 and the armor metal layer 2 can be avoided due to the arrangement of the first inner clamping ring 11 and the second inner clamping ring 12.
The conduction structure comprises an inner sleeve 4, a heat insulation filling material 3 is embedded between the inner sleeve 4 and an armor metal layer 2, an inner armor layer 5 is inserted in the inner sleeve 4, the heat insulation filling material 3 can be made of heat insulation materials common to cables in the market, and the effect of the conduction structure is to avoid external heat to be in contact with the inner sleeve 4.
The outer wall fixedly connected with external heat conduction screw thread 17 of interior armor 5, the inner wall fixedly connected with internal heat conduction screw thread 16 of interior armor 5, the structure of internal heat conduction screw thread 16 and external heat conduction screw thread 17 is the same, and the setting of internal heat conduction screw thread 16 and external heat conduction screw thread 17 can improve the heat conduction effect of interior armor 5.
The first opening 18 is formed in the inner armor layer 5, the protruding strip 19 is lapped on the first opening 18, the protruding strip 19 is fixedly connected with the other end of the inner armor layer 5, and the inner armor layer 5 can be conveniently distributed between the inner sleeve 4 and the signal shielding filling 7.
Outer clamping rings 15 are distributed on the outer wall of the armored metal layer 2 at equal intervals, the outer clamping rings 15 are distributed along the axis of the armored metal layer 2 at equal intervals, clamping holes 20 are formed in one end of each outer clamping ring 15, inserting strips 22 are formed in the other end of each outer clamping ring 15, the inserting strips 22 are matched with the clamping holes 20, and when the inserting strips 22 are inserted into the outer clamping rings 15 through the clamping holes 20, the armored metal layer 2 can wrap the heat insulation filling materials 3.
The overlap joint groove 24 has been seted up to the position that is close to joint hole 20 on the armor metal level 2, the position fixedly connected with overlap joint strip 21 that is close to grafting strip 22 on the armor metal level 2, the spliced eye 25 has been seted up to the inner wall that is located overlap joint groove 24 on the armor metal level 2, the bottom surface fixedly connected with spliced pole 23 of overlap joint strip 21, spliced pole 23 passes through spliced eye 25 and armor metal level 2 joint, when spliced pole 23 passes through spliced eye 25 and armor metal level 2 grafting, can improve armor metal level 2 to thermal-insulated packing material 3 parcel effect.
The inner wall embedding of interior armor 5 is provided with ferrule 26, embedding groove 32 has been seted up to the inner wall of ferrule 26, the inside embedding of embedding groove 32 is provided with interior rubber circle 31, the one end of interior rubber circle 31 is through stationary blade 30 fixedly connected with mount pad 36, bolt hole 35 has been seted up on the mount pad 36, the outside fixedly connected with rectangle inserted bar 34 of mount pad 36, rectangular channel 33 has been seted up to the tip of ferrule 26, rectangular channel 33 and rectangle inserted bar 34 mutually support, when the staff runs through bolt hole 35 and the inner wall connection of interior armor 5, can realize that interior rubber circle 31 drives interior protection tube 9 and fix in the inside of armor 5, can avoid signal shielding filler 7 when filling, the positional deviation of conductor structure 6.
The inner wall butt of interior rubber circle 31 has interior protection pipe 9, can dismantle on the interior protection pipe 9 and be connected with bracing piece 28, the one end fixedly connected with butt circle 29 that bracing piece 28 deviates from interior protection pipe 9, butt circle 29 and interior rubber circle 31 concentric distribution, equidistant distribution of axis along ferrule 26 of butt circle 29, through fixed branch 27 fixed connection between every two adjacent butt circles 29, when the inner wall butt of interior rubber circle 31 is on interior protection pipe 9, bracing piece 28 and the outer wall butt of interior protection pipe 9, can avoid signal shielding filler 7 when filling, the positional deviation of conductor structure 6.
The signal shielding filler 7 is filled between the inner protection tube 9 and the inner armor layer 5, the conductor protection tube 10 is inserted into the inner protection tube 9, the conductor structure 6 is inserted into the conductor protection tube 10, the heat conduction filler 8 is filled between the conductor protection tube 10 and the inner protection tube 9, and the conductor structure 6 can be protected by the arrangement of the conductor protection tube 10, so that the conductor structure 6 is prevented from being damaged easily.
When the cable is in actual use, the contact area of the outer retainer 14 and external equipment can be reduced during actual use, the heat volatilization of the outer retainer 1 can be facilitated, the diversion trench 13 is arranged, the heat dissipation efficiency of the outer retainer 14 can be further improved, when the outer retainer 14 is expanded by heating, the first inner clamping ring 11 and the second inner clamping ring 12 are arranged, the outer retainer 1 and the armor metal layer 2 can be prevented from being separated, meanwhile, the arrangement of the heat insulation filling material 3 can be prevented from being transmitted to the inner sleeve 4 by external high temperature, when the conductor structure 6 is in operation, the heat generated by the conductor structure 6 can be transmitted to the inner armor layer 5 through the inner heat conduction threads 16, the heat generated by the conductor structure 6 can be prevented from being mainly concentrated around the conductor structure 6, the conductor structure 6 is prevented from being easily damaged, the supporting rod 28 is abutted to the outer wall of the inner protection tube 9, the position of the conductor structure 6 is prevented from being offset when the signal shielding filler 7 is filled, the cable production is easy, the difficulty of the cable production is reduced, when the cable and the external equipment is installed, the operator can be prevented from being separated from the outer sleeve 1 by the cable body and the outer retainer 1.
The foregoing shows and describes the general principles of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a compound power cable, includes overcoat body (1) and conductive structure, a serial communication port, overcoat body (1) outer wall fixedly connected with outer retainer (14), outer retainer (14) are along the equidistant distribution of axis of overcoat body (1), guiding gutter (13) have been seted up on outer retainer (14), the inner wall fixedly connected with first interior collar (11) and second interior collar (12) of overcoat body (1), the embedding is provided with outer collar (15) between first interior collar (11) and second interior collar (12), outer collar (15) fixed connection is at the outer wall of armor metal layer (2), armor metal layer (2) cup joint on conductive structure, conductive structure includes interior sleeve pipe (4), it has heat-proof filling material (3) to imbed between interior sleeve pipe (4) and the armor metal layer (2), the inside grafting of interior sleeve pipe (4) has interior armor (5), the inner wall embedding of interior armor layer (5) is provided with collar (26), the inner wall embedding of collar (26) is provided with the inner wall (32) and can be dismantled on the inner wall (31) of inner tube (31) of protection sleeve (9), one end of the supporting rod (28) deviating from the inner protection tube (9) is fixedly connected with an abutting ring (29), the abutting ring (29) and the inner rubber ring (31) are concentrically distributed, the abutting rings (29) are distributed at equal intervals along the axis of the hoop (26), and every two adjacent abutting rings (29) are fixedly connected through a fixed supporting strip (27).
2. A composite power cable according to claim 1, characterized in that the outer wall of the inner armour layer (5) is fixedly connected with an external heat conducting thread (17), the inner wall of the inner armour layer (5) is fixedly connected with an internal heat conducting thread (16), and the structures of the internal heat conducting thread (16) and the external heat conducting thread (17) are identical.
3. The composite power cable according to claim 1, wherein the inner armor layer (5) is provided with a first opening (18), the first opening (18) is lapped with a protruding strip (19), and the protruding strip (19) is integrally and fixedly connected with the other end of the inner armor layer (5).
4. The composite power cable according to claim 1, wherein outer collars (15) are distributed on the outer wall of the armored metal layer (2) at equal intervals, the outer collars (15) are distributed along the axis of the armored metal layer (2) at equal intervals, clamping holes (20) are formed in one end of each outer collar (15), inserting strips (22) are formed in the other end of each outer collar (15), and the inserting strips (22) are matched with the clamping holes (20).
5. The composite power cable according to claim 1, wherein a lap joint groove (24) is formed in a part, close to the clamping hole (20), of the armored metal layer (2), a lap joint strip (21) is fixedly connected to a part, close to the plug joint strip (22), of the armored metal layer (2), a plug joint hole (25) is formed in the inner wall, located in the lap joint groove (24), of the armored metal layer (2), a plug joint rod (23) is fixedly connected to the bottom surface of the lap joint strip (21), and the plug joint rod (23) is clamped with the armored metal layer (2) through the plug joint hole (25).
6. The composite power cable according to claim 1, wherein one end of the inner rubber ring (31) is fixedly connected with a mounting seat (36) through a fixing sheet (30), a bolt hole (35) is formed in the mounting seat (36), a rectangular inserting rod (34) is fixedly connected to the outer side of the mounting seat (36), a rectangular groove (33) is formed in the end portion of the hoop (26), and the rectangular groove (33) is matched with the rectangular inserting rod (34).
7. A composite power cable according to claim 1, characterized in that a signal shielding filler (7) is filled between the inner protective tube (9) and the inner armor layer (5), a conductor protective tube (10) is inserted into the inner protective tube (9), a conductor structure (6) is inserted into the inner protective tube (10), and a heat conducting filler material (8) is filled between the conductor protective tube (10) and the inner protective tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311801775.4A CN117457276B (en) | 2023-12-26 | 2023-12-26 | Composite power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311801775.4A CN117457276B (en) | 2023-12-26 | 2023-12-26 | Composite power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117457276A CN117457276A (en) | 2024-01-26 |
| CN117457276B true CN117457276B (en) | 2024-03-19 |
Family
ID=89593373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311801775.4A Active CN117457276B (en) | 2023-12-26 | 2023-12-26 | Composite power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117457276B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101869361B1 (en) * | 2017-12-11 | 2018-06-21 | (주)인곡기술사사무소 | Supporing bar of for fastening over head distribution line |
| CN215896047U (en) * | 2021-05-27 | 2022-02-22 | 国网辽宁省电力有限公司本溪供电公司 | Composite cable with guiding gutter |
-
2023
- 2023-12-26 CN CN202311801775.4A patent/CN117457276B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101869361B1 (en) * | 2017-12-11 | 2018-06-21 | (주)인곡기술사사무소 | Supporing bar of for fastening over head distribution line |
| CN215896047U (en) * | 2021-05-27 | 2022-02-22 | 国网辽宁省电力有限公司本溪供电公司 | Composite cable with guiding gutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117457276A (en) | 2024-01-26 |
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