CN210467416U - Power cable with heat dissipation chamber way - Google Patents
Power cable with heat dissipation chamber way Download PDFInfo
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- CN210467416U CN210467416U CN201921143776.3U CN201921143776U CN210467416U CN 210467416 U CN210467416 U CN 210467416U CN 201921143776 U CN201921143776 U CN 201921143776U CN 210467416 U CN210467416 U CN 210467416U
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Abstract
The utility model relates to the technical field of cables, in particular to a power cable with a heat dissipation cavity channel; the cable comprises a plurality of wire cores, an insulating layer and a shielding layer, wherein the plurality of wire cores are mutually twisted to form a cable core; the cable comprises a cable core, a shielding layer, a plurality of I-shaped heat conductors, a plurality of radiating cavities and a plurality of radiating cavities, wherein the insulating layer is wrapped outside the cable core, the shielding layer is positioned outside the insulating layer, the I-shaped heat conductors are fixedly arranged between the shielding layer and the insulating layer, and the radiating cavities are formed between the inner sides of two adjacent I-shaped heat conductors and the shielding layer and the outer sides of the insulating layer; an outer sheath layer is arranged on the outer side of the shielding layer and made of silicon rubber material; a metal lead fluid penetrates through the shielding layer and the outer sheath layer, one end of the metal lead fluid is in contact with the I-shaped heat conductor, and the other end of the metal lead fluid extends out of the outer sheath layer to be in contact with the ground; the utility model is used for solve current power cable heat abstractor's radiating efficiency low, the problem that the structure is complicated.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a power cable with heat dissipation chamber says.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
Because the power cable needs to transmit current with larger voltage, the current can generate a large amount of heat, the heat dissipation is not timely, and the phenomenon of cable combustion can be generated; the conventional heat dissipation of the power cable usually achieves the purpose of heat dissipation by reducing the thickness of the cable, the heat dissipation mode is low in efficiency and unobvious in heat dissipation, and meanwhile, the performance of the cable is inevitably reduced due to the reduction of the thickness of the cable.
The Chinese utility model patent with the publication number of CN208093242U discloses a cable with a heat dissipation cavity, which comprises a heat dissipation cable and a cable, wherein the outer surface of the heat dissipation cable is provided with a cable shell, a protective layer is arranged inside the cable shell, the protective layer is tightly attached in the cable shell, the left side of the protective layer is provided with a heat dissipation layer, the inner part of the heat dissipation cable is provided with a central shaft, the central shaft is connected in the heat dissipation cable in a penetrating way, the outer surface of the central shaft is provided with a support plate, the support plate is fixedly connected in the central shaft, a bottom plate is arranged below the support plate, the bottom plate is connected in the; although the problem of cable heat dissipation is solved to a certain extent, the structure is complicated, the heat of the power cable is generated from the wire core to the insulating layer, the shielding layer and the like at first, the device separates a plurality of cables and only leads out the heat of the outermost layer, and the heat dissipation is not obvious and low in efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable with heat dissipation chamber is said to solve the problem that heat abstractor's radiating efficiency is low among the current power cable that provides in the above-mentioned background art, the structure is complicated.
In order to achieve the above object, the utility model provides a following technical scheme: a power cable with a heat dissipation cavity channel comprises a plurality of wire cores, an insulating layer and a shielding layer, wherein the plurality of wire cores are mutually twisted to form a cable core; the cable comprises a cable core and is characterized in that an insulating layer is wrapped on the outer side of the cable core, a shielding layer is positioned on the outer side of the insulating layer, a plurality of I-shaped heat conductors are fixedly arranged between the shielding layer and the insulating layer, grooves corresponding to two ends of the I-shaped heat conductors are formed in the inner side of the shielding layer and the outer side of the insulating layer, the I-shaped heat conductors are placed in the grooves and fixedly connected with the shielding layer and the insulating layer, and the I-shaped heat conductors are made of copper materials; a heat dissipation cavity is formed between the inner sides of the two adjacent I-shaped heat conductors and the shielding layer and the outer side of the insulating layer; the shielding layer is an aluminum-plastic composite belt; an outer sheath layer is arranged on the outer side of the shielding layer and made of silicon rubber materials; the shielding layer and the outer sheath layer are internally provided with a metal lead fluid in a penetrating mode, the metal lead fluid is a cylindrical steel needle, one end of the metal lead fluid is in contact with the I-shaped heat conductor, and the other end of the metal lead fluid extends out of the outer sheath layer to be in contact with the ground.
In order to enable the wire core to have a shielding function, the wire core is a copper conductor with a tin-plated surface.
In order to enable the cable to have excellent insulating performance, the insulating layer is made of polyvinyl chloride materials, and the thickness of the insulating layer is 3 millimeters.
In order to facilitate the separation of the I-shaped heat conductors from the heat dissipation cavity and stably support the inner space of the heat dissipation cavity, the number of the I-shaped heat conductors is 4, and the I-shaped heat conductors are uniformly arranged in the annular cavity between the shielding layer and the insulating layer.
In order to enable the outer sheath layer to have a certain heat dissipation effect and improve the heat dissipation efficiency, a honeycomb type cavity is arranged inside the outer sheath layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. a plurality of I-shaped heat conductors are fixedly arranged between the shielding layer and the insulating layer, grooves corresponding to two ends of the I-shaped heat conductors are formed in the inner side of the shielding layer and the outer side of the insulating layer, the I-shaped heat conductors are placed in the grooves and fixedly connected with the shielding layer and the insulating layer, and the I-shaped heat conductors are made of copper materials; a heat dissipation cavity is formed between the inner sides of the two adjacent I-shaped heat conductors and the shielding layer and the outer side of the insulating layer; the heat that the cable produced transmits the insulating layer, and the heat will be located "worker" style of calligraphy heat conductor conduction in the insulating layer outside, enters into the heat dissipation cavity, prevents that the cable heat from gathering and causing the phenomenon of cable burning.
2. A metal lead fluid penetrates through the shielding layer and the outer sheath layer, the metal lead fluid is a cylindrical steel needle, one end of the metal lead fluid is in contact with the I-shaped heat conductor, and the other end of the metal lead fluid extends out of the outer sheath layer to be in contact with the ground; the metal drainage body can conduct heat in the heat dissipation cavity to the ground in time, and current flowing out of the insulating layer due to long-term use of the cable is also guided to the ground, so that the cable is prevented from being broken down by the current.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is a schematic structural view of the heat conductor shaped like the Chinese character 'i'.
In the figure: 1. a wire core; 2. an insulating layer; 3. an I-shaped heat conductor; 4. A heat dissipation cavity; 5. A shielding layer; 6. an outer jacket layer; 7. a hornet cell type cavity; 8. a metal drainage fluid; 9. and a cable core.
Detailed Description
The present invention will be further described with reference to the following embodiments, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-2, a power cable with a heat dissipation channel includes a plurality of cores 1, an insulating layer 2 and a shielding layer 5, wherein the cores 1 are twisted with each other to form a cable core 9; the outer side of the cable core 9 is coated with an insulating layer 2; the shielding layer 5 is positioned on the outer side of the insulating layer 2, a plurality of I-shaped heat conductors 3 are fixedly arranged between the shielding layer 5 and the insulating layer 2, grooves corresponding to two ends of the I-shaped heat conductors 3 are formed in the inner side of the shielding layer 5 and the outer side of the insulating layer 2, the I-shaped heat conductors 3 are placed in the grooves and fixedly connected with the shielding layer 5 and the insulating layer 2, and the I-shaped heat conductors 3 are made of copper materials; a heat dissipation cavity 4 is formed between two adjacent I-shaped heat conductors 3 and between the inner side of the shielding layer 5 and the outer side of the insulating layer 2; the shielding layer 5 is an aluminum-plastic composite belt; an outer sheath layer 6 is arranged on the outer side of the shielding layer 5, and the outer sheath layer 6 is made of silicon rubber material; the shielding layer 5 and the inner part of the outer sheath layer 6 are provided with a metal lead fluid 8 in a penetrating mode, the metal lead fluid 8 is arranged along the cross section direction of the cable, the metal lead fluid 8 is a cylindrical steel needle, the diameter of the metal lead fluid 8 is 1 millimeter, one end of the metal lead fluid 8 is in contact with the I-shaped heat conductor 3, the other end of the metal lead fluid 8 extends out of the outer sheath layer 6 to be in contact with the ground, and the I-shaped heat conductor 3 can be provided with one or more.
Specifically, please refer to fig. 1, the wire core 1 is a copper conductor with a tin-plated surface, so that the wire core 1 has a shielding function.
Specifically, please refer to fig. 1, the insulating layer 2 is made of polyvinyl chloride, and the thickness of the insulating layer 2 is 3 mm, so that the cable has excellent insulating performance.
Specifically, please refer to fig. 1-2, the number of the i-shaped heat conductors 3 is 4, and the i-shaped heat conductors are uniformly arranged in the annular cavity between the shielding layer 5 and the insulating layer 2, so that the i-shaped heat conductors 3 are conveniently separated to form the heat dissipation cavity 4, and the internal space of the heat dissipation cavity 4 is stably supported, so that the heat dissipation cavity 4 is not extruded and deformed due to the action of external force.
Specifically, please refer to fig. 1, the inner portion of the outer sheath layer 6 is provided with the honeycomb-shaped cavity 7, so that the outer sheath layer 6 also has a certain heat dissipation effect, and the heat dissipation efficiency is improved.
The utility model discloses a theory of operation: electrifying the wire core 1 for electric power transportation, transmitting a large amount of heat generated by the wire core 1 to the insulating layer 2, and conducting the heat of the insulating layer 2 to the heat dissipation cavity 4 by the I-shaped heat conductor positioned outside the insulating layer 2, so as to disperse the heat generated by the wire core 1 and reduce the temperature; then, the metal lead fluid 8 in contact with the I-shaped heat conductor penetrates through the shielding layer 5 and the outer sheath layer 6, and heat and part of leaked current are transmitted to the ground, so that the heat dissipation efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a power cable with heat dissipation chamber says, includes several sinle silk (1), insulating layer (2) and shielding layer (5), its characterized in that: the plurality of wire cores (1) are mutually twisted to form a cable core (9); the cable comprises a cable core (9) and is characterized in that an insulating layer (2) is coated on the outer side of the cable core (9), a shielding layer (5) is positioned on the outer side of the insulating layer (2), a plurality of I-shaped heat conductors (3) are fixedly arranged between the shielding layer (5) and the insulating layer (2), grooves corresponding to two ends of the I-shaped heat conductors (3) are formed in the inner side of the shielding layer (5) and the outer side of the insulating layer (2), the I-shaped heat conductors (3) are placed in the grooves and fixedly connected with the shielding layer (5) and the insulating layer (2), and the I-shaped heat conductors (3) are made of copper materials; a heat dissipation cavity (4) is formed between the inner sides of the two adjacent I-shaped heat conductors (3) and the shielding layer (5) and the outer side of the insulating layer (2); the shielding layer (5) is an aluminum-plastic composite belt; an outer sheath layer (6) is arranged on the outer side of the shielding layer (5), and the outer sheath layer (6) is made of a silicon rubber material; the shielding layer (5) and the outer sheath layer (6) are internally provided with a metal lead fluid (8) in a penetrating mode, the metal lead fluid (8) is a cylindrical steel needle, one end of the metal lead fluid (8) is in contact with the I-shaped heat conductor (3), and the other end of the metal lead fluid (8) extends out of the outer sheath layer (6) to be in contact with the ground.
2. The power cable with the heat dissipation channel as set forth in claim 1, wherein: the wire core (1) is a copper conductor with a tin-plated surface.
3. The power cable with the heat dissipation channel as set forth in claim 1, wherein: the insulating layer (2) is made of polyvinyl chloride materials, and the thickness of the insulating layer (2) is 3 millimeters.
4. The power cable with the heat dissipation channel as set forth in claim 1, wherein: the number of the I-shaped heat conductors (3) is 4, and the I-shaped heat conductors are uniformly arranged in the annular cavity between the shielding layer (5) and the insulating layer (2).
5. The power cable with the heat dissipation channel as set forth in claim 1, wherein: the inner part of the outer sheath layer (6) is provided with a honeycomb type cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143776.3U CN210467416U (en) | 2019-07-21 | 2019-07-21 | Power cable with heat dissipation chamber way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143776.3U CN210467416U (en) | 2019-07-21 | 2019-07-21 | Power cable with heat dissipation chamber way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210467416U true CN210467416U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921143776.3U Active CN210467416U (en) | 2019-07-21 | 2019-07-21 | Power cable with heat dissipation chamber way |
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| CN (1) | CN210467416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864170A (en) * | 2022-05-07 | 2022-08-05 | 济南圣通电力线缆有限公司 | Explosion-proof cable for electric power engineering |
-
2019
- 2019-07-21 CN CN201921143776.3U patent/CN210467416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864170A (en) * | 2022-05-07 | 2022-08-05 | 济南圣通电力线缆有限公司 | Explosion-proof cable for electric power engineering |
| CN114864170B (en) * | 2022-05-07 | 2023-08-22 | 济南圣通电力线缆有限公司 | Explosion-proof cable for power engineering |
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