CN211455373U - Cable with improved insulation - Google Patents
Cable with improved insulation Download PDFInfo
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- CN211455373U CN211455373U CN202020198638.1U CN202020198638U CN211455373U CN 211455373 U CN211455373 U CN 211455373U CN 202020198638 U CN202020198638 U CN 202020198638U CN 211455373 U CN211455373 U CN 211455373U
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- cable
- heat dissipation
- protective layer
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Abstract
The utility model provides a cable, which relates to the technical field of power equipment and aims to solve the technical problems of low heat dissipation performance of the cable and heavy weight of a cable heat dissipation part in the prior art, and comprises a heat conduction pipe, a heat dissipation part, a heat conduction plate, a protection layer and a wire core; the sinle silk outside includes the protective layer, the protective layer contains insulating layer and shielding layer, inside a plurality of sinle silks of cable are the annular and arrange, a plurality of sinle silk centers are provided with the heat pipe, the outside of every sinle silk is provided with more than one heat-conducting plate, the heat-conducting plate is connected with heat pipe or heat dissipation piece respectively, the cable outside also is provided with the protective layer, it pierces through the outside protective layer of cable and partially outstanding in the protective layer to be provided with heat dissipation piece and heat dissipation piece one end between protective layer and sinle silk, the heat pipe, heat dissipation piece and heat-conducting plate. The utility model is used for reinforcing cable heat-sinking capability and lightening heat-radiating part weight.
Description
Technical Field
The utility model belongs to the technical field of the power equipment technique and specifically relates to a cable is related to.
Background
The cable is more and more widely applied to a high-voltage power system, the main purpose is to transmit current, in the electrifying process, the conductor is heated, heat can be transferred to an external protective layer, the protective layer comprises a sheath layer and an insulating sheath material which are organic materials, the cable can age at high temperature and gradually lose the original performance, the power consumption is increased along with the development of the society, the current carrying capacity of the cable is required to be larger and larger, the heat productivity is increased along with the increase of load, and if the current carrying capacity of the power cable exceeds the limit bearing capacity of the power cable, a fire disaster can be caused due to untimely heat dissipation, so that the loss of life and property is caused.
At present, the power cable on the market has poor heat dissipation performance when transmitting high voltage electricity, or reduces the heat dissipation capacity by reducing the load charge of the power cable, or improves the heat dissipation effect of the cable by reducing the thickness of the cable core, but the possibility that the cable is damaged is increased, so that the heat dissipation performance of the power cable is poor, and the current-carrying capacity is low.
The applicant has found that the prior art has at least the following technical problems:
the heat dissipation performance of the power cable in the market is poor when high voltage is transmitted, the heat productivity is increased along with the increase of load, and a fire disaster is caused due to the untimely heat dissipation, so that the loss of life and property is caused;
the existing cable reduces the heat dissipation capacity by reducing the load charge or improves the heat dissipation effect of the cable by reducing the thickness of the cable core, but the problem of low current-carrying capacity of the cable is caused or the possibility of damaging the cable is increased;
although the heat dissipation capability is improved after the heat dissipation device is added to the existing cable, the weight of the cable is increased and the cost is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable to solve the technical problem that cable heat dispersion performance that exists is not high among the prior art, cable heat dissipation part weight is big, the utility model provides a many technological effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a cable, which comprises a heat conduction pipe, a heat radiation part, a heat conduction plate, a protection layer and a wire core; the sinle silk outside includes the protective layer, the protective layer contains insulating layer and shielding layer, inside a plurality of sinle silks of cable are the annular and arrange, a plurality of sinle silk centers are provided with the heat pipe, the outside of every sinle silk is provided with more than one heat-conducting plate, the heat-conducting plate is connected with heat pipe or heat dissipation piece respectively, the cable outside also is provided with the protective layer, it pierces through the outside protective layer of cable and partially outstanding in the protective layer to be provided with heat dissipation piece and heat dissipation piece one end between protective layer and sinle silk, the heat pipe, heat dissipation piece and heat-conducting plate.
Preferably, the heat conduction pipe and the heat conduction plate connected with the heat conduction pipe are both of a hollow structure.
Preferably, one end of the heat sink penetrating the protective layer is provided with a flange along the circumferential direction of the cable.
Preferably, the heat-conducting plate is arc-shaped and the wire core is clamped between the two heat-conducting plates.
Preferably, the heat conducting plate is oppositely arranged outside the wire core.
Preferably, the insulating layer is made of cross-linked polyethylene.
Preferably, the thickness of the insulating layer does not exceed 0.3 mm.
Preferably, the voids of each core are filled with a refractory filler.
Preferably, the shielding layer is a braided layer made of red copper or tin-plated copper.
The utility model provides a cable, which is provided with a plurality of groups of heat-conducting plates, heat-radiating pieces connected with the heat-conducting plates and heat-conducting pipes, thereby being convenient for radiating the power cable and ensuring that the cable is not easy to influence the power transmission work due to self-heating;
the wire core respectively transmits heat to the heat dissipation part and the two heat dissipation parts of the heat conduction pipe through the heat conduction plate, and the heat dissipation part dissipates the heat to the outside through the part communicated to the outside; the heat conduction pipe and the heat conduction plate connected with the heat conduction pipe are hollow, and circulating cooling liquid can be injected into the hollow heat conduction plate to reduce the temperature of the cable;
the graphene coating sprayed on the outer layer of the heat-conducting component can improve the heat-radiating capacity, and the graphene can reduce the weight of the heat-radiating component by up to 30%.
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 cross-sectional view of an embodiment of a cable according to the present invention.
In the figure: 1. a heat conducting pipe; 2. a heat sink; 3. a heat conducting plate; 4. a protective layer; 5. and a wire core.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes in detail embodiments of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.
Referring to fig. 1, the utility model provides a cable, which comprises a heat conduction pipe 1, a heat radiation part 2, a heat conduction plate 3, a protection layer 4 and a wire core 5; 5 outsides of sinle silk include protective layer 4, protective layer 4 contains insulating layer and shielding layer, the inside a plurality of sinle silks 5 of cable are the annular and arrange, a plurality of sinle silks 5 center is provided with heat pipe 1, the outside of every sinle silk 5 is provided with more than one heat-conducting plate 3, heat-conducting plate 3 is connected with heat pipe 1 or heat dissipation piece 2 respectively, the cable outside also is provided with protective layer 4, it pierces through the outside protective layer 4 of cable and partially outstanding in protective layer 4 to be provided with heat dissipation piece 2 and 2 one end of heat dissipation piece between protective layer 4 and sinle silk 5, heat pipe 1, heat dissipation piece 2 and 3 outsides of heat-conducting plate all have graphite alkene. The heat-conducting plates 3, the heat-radiating pieces 2 connected with the heat-conducting plates 3 and the heat-conducting pipes 1 are arranged, so that heat radiation of the power cable is facilitated, and the cable is not easy to influence work due to self-heating; the wire core 5 respectively transmits heat to the heat dissipation parts 2 and the heat conduction pipe 1 through the heat conduction plate 3, the heat dissipation parts 2 and the heat conduction plate 3 dissipate the heat to the outside through the part communicated to the outside,
graphene is a heat conduction material with excellent performance, the heat dissipation coefficient of a commonly used heat conduction material aluminum alloy is 180-200W/m.K, the radiation coefficient is 0.1-0.4, the heat dissipation coefficient of graphene can reach 5300W/m.K, the radiation coefficient of graphene is 0.95-0.98, the heat dissipation performance is far superior to that of aluminum alloy, a graphene layer can be formed on the surface of a radiator in a surface spraying mode, the heat dissipation can be improved, the usage amount of the heat conduction material can be reduced, and the weight of a heat dissipation part can be reduced.
Further, the thickness of the graphene layer is 100-500 μm.
Referring to fig. 1, as an alternative embodiment, the heat conductive pipes 1 and the heat conductive plates 3 connected to the heat conductive pipes 1 are both hollow structures. The heat conduction pipe 1 and the heat conduction plate 3 connected with the heat conduction pipe 1 are hollow and can be filled with circulating cooling liquid to reduce the temperature of the power cable.
Referring to fig. 1, as an alternative embodiment, one end of the heat sink 2 penetrating the protective layer 4 is provided with a flange along the circumferential direction of the cable. The arc-shaped flange part of the heat radiating piece 2 of the device is arranged outside the cable, the arc-shaped flange part is stronger than the cable in integrity, and meanwhile, the arc-shaped flange part has better heat radiating effect than the external contact surface.
Further, the heat dissipation members 2 may be disposed along the length direction of the cable or may be disposed at intervals along the length direction of the cable.
Referring to fig. 1, as an alternative embodiment, the heat-conducting plates 3 are arc-shaped and the wire core 5 is sandwiched between two heat-conducting plates 3. The arc heat-conducting plate 3 is better with the bigger heat conduction effect of the contact surface of sinle silk 5.
Referring to fig. 1, as an alternative embodiment, the heat conducting plate 3 is oppositely disposed outside the wire core 5.
In an alternative embodiment, the insulating layer is made of cross-linked polyethylene.
As an alternative embodiment, the thickness of the insulating layer does not exceed 0.3 mm.
As an alternative embodiment, the voids of the individual wire cores 5 are filled with a refractory filler.
In an alternative embodiment, the shielding layer is a braided layer made of red copper or tin-plated copper.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A cable, characterized by: comprises a heat conduction pipe (1), a heat dissipation part (2), a heat conduction plate (3), a protection layer (4) and a wire core (5);
sinle silk (5) outside includes protective layer (4), protective layer (4) contain insulating layer and shielding layer, the cable is inside a plurality of sinle silk (5) are the annular and arrange, and are a plurality of sinle silk (5) center is provided with heat pipe (1), every the outside of sinle silk (5) is provided with more than one heat-conducting plate (3), heat-conducting plate (3) respectively with heat pipe (1) or heat dissipation piece (2) are connected, the cable outside also is provided with protective layer (4) with be provided with between sinle silk (5) heat dissipation piece (2) just heat dissipation piece (2) one end pierces through the cable is outside protective layer (4) and part salient in protective layer (4) are outside, heat pipe (1), heat dissipation piece (2) and heat-conducting plate (3) outer all have graphite alkene layer just heat pipe (1), The heat dissipation piece (2) and the heat conduction plate (3) are made of 5052 aluminum alloy.
2. The cable of claim 1, wherein: the heat conduction pipe (1) and the heat conduction plate (3) connected with the heat conduction pipe (1) are both of a hollow structure.
3. The cable of claim 1, wherein: one end of the heat dissipation piece (2) penetrating through the protective layer (4) is provided with a flange along the circumferential direction of the cable.
4. The cable of claim 1, wherein: the heat-conducting plates (3) are arc-shaped, and the wire cores (5) are clamped between the two heat-conducting plates (3).
5. The cable of claim 4, wherein: the heat-conducting plate (3) is oppositely arranged outside the wire core (5).
6. The cable of claim 1, wherein: the insulating layer is made of cross-linked polyethylene.
7. The cable of claim 6, wherein: the thickness of the insulating layer is not more than 0.3 mm.
8. The cable of claim 1, wherein: the gaps of the wire cores (5) are filled with refractory fillers.
9. The cable of claim 1, wherein: the shielding layer is a braided layer made of red copper or tin-plated copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198638.1U CN211455373U (en) | 2020-02-24 | 2020-02-24 | Cable with improved insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198638.1U CN211455373U (en) | 2020-02-24 | 2020-02-24 | Cable with improved insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211455373U true CN211455373U (en) | 2020-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020198638.1U Expired - Fee Related CN211455373U (en) | 2020-02-24 | 2020-02-24 | Cable with improved insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211455373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731601A (en) * | 2020-12-19 | 2021-04-30 | 常熟迅联光电科技有限公司 | Butterfly-shaped leading-in optical cable and photoelectric hybrid cable |
-
2020
- 2020-02-24 CN CN202020198638.1U patent/CN211455373U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731601A (en) * | 2020-12-19 | 2021-04-30 | 常熟迅联光电科技有限公司 | Butterfly-shaped leading-in optical cable and photoelectric hybrid cable |
| CN112731601B (en) * | 2020-12-19 | 2022-06-17 | 深圳市特发信息光网科技股份有限公司 | Butterfly-shaped leading-in optical cable and photoelectric hybrid cable |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 |