CN212136052U - Power cable structure - Google Patents
Power cable structure Download PDFInfo
- Publication number
- CN212136052U CN212136052U CN202021019259.8U CN202021019259U CN212136052U CN 212136052 U CN212136052 U CN 212136052U CN 202021019259 U CN202021019259 U CN 202021019259U CN 212136052 U CN212136052 U CN 212136052U
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- CN
- China
- Prior art keywords
- layer
- protective layer
- power cable
- cable
- water
- 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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- 239000010410 layer Substances 0.000 claims abstract description 57
- 239000004020 conductor Substances 0.000 claims abstract description 41
- 239000011241 protective layer Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004642 Polyimide Substances 0.000 claims abstract description 5
- 229920001721 polyimide Polymers 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 239000010949 copper Substances 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002657 fibrous material Substances 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a power cable line structure relates to cable technical field. The utility model comprises a protective layer and a plurality of conductors; a shielding layer, a water-resistant layer and an isolating layer are sequentially arranged in the protective layer; metal sheets are uniformly distributed in the protective layer along the circumference of the protective layer; a plurality of radiating fins are arranged on one side surface of the metal sheet close to the outer diameter of the protective layer; the middle part of the isolation layer is provided with a support strip; the side surface of the conductor is covered with an insulating layer; a plurality of reinforcing strips are uniformly distributed among the metal sheets; the reinforcing strips are made of polyimide fiber materials or PP rope materials; a plurality of bulges are formed on one side surface of the metal sheet close to the inner diameter of the protective layer. The utility model discloses an effect of protective layer, shielding layer, water-blocking layer, isolation layer and conductor has the effect of reaching the effect of being convenient for carry out better heat dissipation, increase tensile strength of cable, being convenient for the great span of cable to cable inside.
Description
Technical Field
The utility model belongs to the technical field of the cable, especially, relate to a power cable line structure.
Background
With the continuous enlargement of the scale of industries such as Chinese power industry, communication industry and the like, the demand for wires and cables also increases rapidly; cables are generally rope-like cables made by stranding several wires or groups of wires, each group insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable generally generates heat when in work, and the temperature of the cable is more obviously increased when the internal current is larger. The existing cable is generally not provided with a cooling structure, when the current of an inner wire core is too large, the resistance of a conductor is increased, the electric energy loss is increased, the temperature of the conductor is continuously increased, and an accident is caused when the temperature is serious; and current cable is general intensity limited, when carrying out the erection of great span, the cable often tensile strength is not enough, leads to the cable to carry out the erection of great span.
To the above problem, the utility model discloses an effect of protective layer, shielding layer, water blocking layer, isolation layer and conductor has and reaches the effect of being convenient for carry out better heat dissipation, increase cable's tensile strength, the great span of cable of being convenient for erects inside the cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable line structure, through the effect of protective layer, shielding layer, water-blocking layer, isolation layer and conductor, solved current cable not good, the tensile strength problem inadequately at during operation cooling effect.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a power cable structure, which comprises a protective layer and a plurality of conductors; a shielding layer, a water-resistant layer and an isolating layer are sequentially arranged in the protective layer;
metal sheets are uniformly distributed in the protective layer along the circumference of the protective layer; a plurality of radiating fins are arranged on one side surface of the metal sheet close to the outer diameter of the protective layer; a support strip is arranged in the middle of the isolation layer; the side surface of the conductor is covered with an insulating layer.
Furthermore, a plurality of reinforcing strips are uniformly distributed between every two adjacent metal sheets.
Further, the reinforcing strip is made of polyimide fibers or PP ropes.
Furthermore, a plurality of bulges are formed on one side surface of the metal sheet close to the inner diameter of the protective layer, so that heat dissipated to the protective layer by the conductor can be absorbed and dissipated outwards.
Furthermore, a plurality of salient points are arranged on two side faces of the radiating fin, and heat transmitted to the radiating fin is further radiated out.
Further, the waterproof tape is made of polyethylene materials or water-swelling type composite waterproof tapes.
Furthermore, the isolation layer is made of an insulating rubber material.
Furthermore, the conductors are uniformly distributed in the isolation layer; and a heat dissipation frame is arranged between every two adjacent conductors.
Furthermore, heat dissipation holes are formed in the isolation layer.
Furthermore, one side of the conductor, which is close to the supporting bar, is provided with a guide hole; the supporting bars are hollow soft tubes; the supporting bars are provided with air holes along the circumferential side surfaces and communicated with the guide holes, so that the conductors are convenient to dissipate heat.
The utility model discloses following beneficial effect has:
1. the utility model has the advantages that the metal sheets are evenly distributed in the protective layer along the circumference; the sheetmetal is close to a protective layer external diameter side and is provided with a plurality of fin, is convenient for further go out the heat transfer who transmits the sheetmetal, and the sheetmetal has also increased the tensile strength of cable conductor simultaneously, the large-span of being convenient for erects the cable conductor.
2. The utility model has the advantages that the metal sheet is provided with a plurality of bulges close to one side surface of the inner diameter of the protective layer, so that the heat emitted from the conductor to the protective layer can be absorbed and then emitted outwards; the two side surfaces of the radiating fin are provided with a plurality of salient points, and heat transmitted to the radiating fin is further radiated out.
3. The utility model discloses a be provided with the heat dissipation frame between the two adjacent conductors, the heat dissipation frame is high fire resistance nanometer glass fiber cross support, is convenient for dispel the heat to the conductor during operation, guarantees that the conductor lasts stable work.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power cable structure according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-protective layer, 2-shielding layer, 3-water-resistant layer, 4-isolation layer, 5-conductor, 6-heat dissipation frame, 7-support bar, 101-reinforcing bar, 102-metal sheet, 103-heat dissipation sheet, 104-salient point, 105-bulge, 401-heat dissipation hole, 402-guide hole, 501-insulating layer and 701-communication hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention relates to a power cable structure, which includes a protective layer 1 and a plurality of conductors 5; a shielding layer 2, a water-resistant layer 3 and an isolating layer 4 are sequentially arranged in the protective layer 1;
Preferably, as shown in fig. 2, a plurality of reinforcing strips 101 are uniformly distributed between two adjacent metal sheets 102.
Preferably, as shown in fig. 2, the reinforcing strip 101 is made of polyimide fiber or PP rope.
Preferably, as shown in fig. 2, a plurality of protrusions 105 are formed on one side of the metal sheet 102 near the inner diameter of the protection layer 1, so as to absorb and radiate heat radiated from the conductor 5 to the protection layer 1.
Preferably, as shown in fig. 2, the heat sink 103 is provided with a plurality of bumps 104 on both sides thereof, so as to further dissipate heat transferred to the heat sink 103.
Preferably, as shown in fig. 2, the water-swellable composite water-blocking tape is made of polyethylene or water-swellable composite water-blocking tape.
Preferably, as shown in fig. 2, the isolation layer 4 is made of an insulating rubber material.
Preferably, as shown in fig. 2, the plurality of conductors 5 are uniformly distributed in the isolation layer 4; a heat dissipation frame 6 is arranged between every two adjacent conductors 5, the heat dissipation frame 6 is a high-flame-retardancy nanometer glass fiber cross support, heat dissipation is convenient to conduct when the conductors 5 work, and continuous and stable work of the conductors 5 is guaranteed.
Preferably, as shown in fig. 2, heat dissipation holes 401 are formed in the isolation layer 4, and heat is transferred to the protection layer 1 through the isolation layer 4 and the heat dissipation holes 401, so that the heat is dissipated.
Preferably, as shown in fig. 2, a guide hole 402 is formed on one side of the conductor 5 close to the support bar 7; the supporting strip 7 is a hollow soft pipe; the supporting bar 7 is provided with air holes 701 along the circumferential side surface and communicated with the guide holes 402, so that the heat dissipation of the conductor 5 is facilitated.
Example two
Referring to fig. 2, the present invention relates to a power cable structure, which includes a protective layer 1 and a plurality of conductors 5; a shielding layer 2, a water-resistant layer 3 and an isolating layer 4 are sequentially arranged in the protective layer 1;
Preferably, as shown in fig. 2, a plurality of reinforcing strips 101 are uniformly distributed between two adjacent metal sheets 102.
Preferably, as shown in fig. 2, the reinforcing strip 101 is made of polyimide fiber or PP rope.
Preferably, as shown in fig. 2, the water-swellable composite water-blocking tape is made of polyethylene or water-swellable composite water-blocking tape.
Preferably, as shown in fig. 2, the isolation layer 4 is made of an insulating rubber material.
Preferably, as shown in fig. 2, the plurality of conductors 5 are uniformly distributed in the isolation layer 4; a heat dissipation frame 6 is arranged between every two adjacent conductors 5, the heat dissipation frame 6 is a high-flame-retardancy nanometer glass fiber cross support, heat dissipation is convenient to conduct when the conductors 5 work, and continuous and stable work of the conductors 5 is guaranteed.
Preferably, as shown in fig. 2, heat dissipation holes 401 are formed in the isolation layer 4, and heat is transferred to the protection layer 1 through the isolation layer 4 and the heat dissipation holes 401, so that the heat is dissipated.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A power cable structure comprises a protective layer (1) and a plurality of conductors (5); the method is characterized in that:
a shielding layer (2), a water-resistant layer (3) and an isolating layer (4) are sequentially arranged in the protective layer (1);
metal sheets (102) are uniformly distributed in the protective layer (1) along the circumference of the protective layer; a plurality of radiating fins (103) are arranged on one side surface of the metal sheet (102) close to the outer diameter of the protective layer (1);
a support strip (7) is arranged in the middle of the isolation layer (4);
the side surface of the conductor (5) is coated with an insulating layer (501).
2. A power cable structure as claimed in claim 1, wherein a plurality of reinforcing strips (101) are uniformly distributed between two adjacent metal sheets (102).
3. A power cable construction as claimed in claim 2, characterized in that the reinforcing strips (101) are of polyimide fibre material or PP rope material.
4. A power cable construction according to claim 1, 2 or 3, characterized in that the metal sheet (102) is formed with a number of protrusions (105) on the side adjacent to the inner diameter of the protective layer (1).
5. A power cable structure according to claim 4, characterized in that the heat sink (103) is provided with a plurality of protruding points (104) on both sides.
6. A power cable construction as claimed in claim 1 or 5, characterized in that the shielding (2) is a copper clad aluminium braided shielding or a copper mesh shielding; the water-blocking layer (3) is made of polyethylene materials or a water-swelling type composite water-blocking tape.
7. A power cable construction according to claim 6, characterized in that the insulating layer (4) is of an insulating rubber material.
8. A power cable construction according to claim 1 or 7, characterized in that several of said conductors (5) are evenly distributed in the isolating layer (4); and a heat dissipation frame (6) is arranged between every two adjacent conductors (5).
9. A power cable structure according to claim 8, characterized in that heat dissipation holes (401) are provided in the isolation layer (4).
10. A power cable construction as claimed in claim 1 or 9, characterized in that the conductor (5) is provided with a guide hole (402) at a side thereof adjacent to the support bar (7);
the supporting strips (7) are hollow soft tubes; the supporting bar (7) is provided with air holes (701) along the peripheral side surface and is communicated with the guide holes (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021019259.8U CN212136052U (en) | 2020-06-05 | 2020-06-05 | Power cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021019259.8U CN212136052U (en) | 2020-06-05 | 2020-06-05 | Power cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136052U true CN212136052U (en) | 2020-12-11 |
Family
ID=73684724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021019259.8U Expired - Fee Related CN212136052U (en) | 2020-06-05 | 2020-06-05 | Power cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212136052U (en) |
-
2020
- 2020-06-05 CN CN202021019259.8U patent/CN212136052U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 |