CN221057194U - High-voltage shielding cable - Google Patents

High-voltage shielding cable Download PDF

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Publication number
CN221057194U
CN221057194U CN202323104719.3U CN202323104719U CN221057194U CN 221057194 U CN221057194 U CN 221057194U CN 202323104719 U CN202323104719 U CN 202323104719U CN 221057194 U CN221057194 U CN 221057194U
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China
Prior art keywords
layer
shielding
inner sheath
insulating inner
heat
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Active
Application number
CN202323104719.3U
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Chinese (zh)
Inventor
郑怀蜀
周岳
王官德
杨继军
徐金虎
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Zhejiang Gengu Cable Co ltd
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Zhejiang Gengu Cable Co ltd
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Priority to CN202323104719.3U priority Critical patent/CN221057194U/en
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Abstract

The utility model discloses a high-voltage shielding cable, which comprises a conductor wire core, wherein an insulating inner sheath layer, a shielding layer and an outer sheath layer are sequentially arranged outside the conductor wire core, a first radiating layer is arranged between the insulating inner sheath layer and the shielding layer, the first radiating layer comprises a plurality of radiating fins, a heat-conducting silicone grease layer is further arranged on the outer surface of the insulating inner sheath layer, the radiating fins are uniformly distributed between the heat-conducting silicone grease layer and the shielding layer, a separation cavity is arranged between two adjacent radiating fins, and a heat-conducting silicone adhesive layer is arranged between the shielding layer and the insulating outer sheath layer.

Description

High-voltage shielding cable
Technical Field
The utility model relates to the field of cables, in particular to a high-voltage shielding cable.
Background
The wire and cable are used to transmit electrical (magnetic) energy, information and wire products for electromagnetic energy conversion. The broad sense of electric wire and cable is also simply referred to as cable, and the narrow sense of cable is referred to as insulated cable, which can be defined as: an aggregate consisting of; one or more insulated cores, and the respective coatings, total protective layers and outer protective layers that they may have, may also have additional uninsulated conductors.
Along with the development of automobile industry, the application of the automobile of new energy is wider and wider, and the electric power of automobile is often transmitted through high-voltage cable, and along with cable current-carrying capacity is big, its calorific capacity also can correspondingly increase, if cable temperature resistance is not enough, can lead to the cable to burn out, and then probably can take place electric leakage, cause harm to automobile and personnel, present cable can't satisfy the needs of using, and high-voltage cable needs to bear high voltage heavy current, can produce strong electromagnetic interference to surrounding electronic equipment, influence electronic equipment's normal operating, thereby produce the potential safety hazard, propose a solution below aiming at above problem.
Disclosure of utility model
The utility model aims to provide a high-voltage shielding cable, which solves the problems that the existing cable is low in temperature resistance and electromagnetic interference can be generated when the cable bears current due to the fact that the heat productivity is increased due to the large current carrying capacity, and potential safety hazards are easy to generate when the operation of electronic equipment is affected.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a high-voltage shield cable, includes the conductor core, the outside of conductor core is insulating inner sheath layer, shielding layer and oversheath layer in proper order, be equipped with heat dissipation layer one between insulating inner sheath layer and the shielding layer, heat dissipation layer one includes a plurality of fin, still be equipped with heat conduction silicone grease layer on the surface of insulating inner sheath layer, fin evenly distributed is between heat conduction silicone grease layer and shielding layer, two are adjacent be equipped with the partition chamber between the fin, be equipped with the heat conduction silica gel layer between shielding layer and the insulating oversheath layer.
Preferably, a cross-shaped separation piece is further arranged between the conductor wire core and the insulating inner sheath layer, the conductor wire core is divided into four conductor installation areas through the separation piece, a heat absorption pipe is arranged in the middle of the separation piece, a plurality of storage grooves are further formed in the separation piece, and cooling liquid is filled in the heat absorption pipe and the storage grooves.
Preferably, the shielding layer comprises a metal layer and a film layer, the metal layer is woven into a net structure by metal wires, and the film layer is of a metal film-shaped structure.
Preferably, the insulating inner sheath layer is formed by polytetrafluoroethylene extrusion molding.
Preferably, the outer sheath layer adopts a semi-rigid flame-retardant PVC sheath.
The beneficial effects are that: the conductors inside the conductor cores are respectively arranged in the four installation areas through the separating pieces, so that the situation that the high-voltage cable is overheated when carrying current due to the fact that too many conductors are arranged together is prevented, and the cooling effect is achieved when the cable heats due to the heat absorption pipe on the separating pieces and the cooling liquid in the object placing groove;
The insulation inner sheath formed by polytetrafluoroethylene extrusion molding ensures insulation and heat resistance of the cable, improves the safety of the cable, and plays a role in shielding electromagnetic interference through the shielding layer;
The first heat dissipation layer and the second heat dissipation layer in the cable further improve the heat dissipation performance of the cable.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
Fig. 2 is a schematic structural view for showing the separator.
Reference numerals: 1. a conductor core; 2. an insulating inner sheath layer; 3. a shielding layer; 4. an outer sheath layer; 5. a first heat dissipation layer; 6. a heat sink; 7. a thermally conductive silicone grease layer; 8. a separation chamber; 9. a thermally conductive silicone layer; 10. a partition; 11. a heat absorbing pipe; 12. a storage groove; 13. a metal layer; 14. a thin film layer.
Detailed Description
The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present utility model are intended to be comprehended within the scope of the present utility model.
See fig. 1 to 2 for a high voltage shielded cable, which comprises a conductor core 1, and is characterized in that the outside of the conductor core 1 is sequentially provided with an insulating inner sheath layer 2, a shielding layer 3 and an outer sheath layer 4, and the insulating inner sheath layer 2 plays a role in insulating protection, the shielding layer 3 can play a role in shielding electromagnetic interference, and the outer sheath layer 4 is utilized to further improve the safety of the cable.
Still be equipped with the cross separating piece 10 between conductor core 1 and the insulating inner sheath layer 2, conductor core 1 divide into four conductor installation district through separating piece 10, thereby install the conductor in four conductor installation district respectively with the inside conductor of conductor core 1 through separating piece 10, thereby it is together to have prevented that too much conductor from installing and make high-voltage cable take place overheated at bearing current, the mid-mounting of separating piece 10 has heat absorption tube 11, still offered a plurality of storage tanks 12 on the separating piece 10, heat absorption tube 11 and storage tank 12 are interior all to be filled with the coolant liquid, the heat absorption tube 11 on the separating piece 10 and the coolant liquid in the storage tank 12 play the effect of cooling when making the cable generate heat.
Be equipped with heat dissipation layer one 5 between insulating inner sheath layer 2 and the shielding layer 3, thereby can improve the heat dispersion of cable through heat dissipation layer one 5, heat dissipation layer one 5 includes a plurality of fin 6, still be equipped with heat conduction silicone grease layer 7 on the surface of insulating inner sheath layer 2, when the inside overheated of conductor linearity, heat can be conducted to insulating inner sheath layer 2, thereby can come out the heat conduction of insulating inner sheath layer 2 through heat conduction silicone grease layer 7, fin 6 evenly distributed is between heat conduction silicone grease layer 7 and shielding layer 3, be equipped with separation chamber 8 between two adjacent fin 6 through the fin, thereby prevent the unable fine conduction of heat of fin 6 too close heat through separation chamber 8, be equipped with heat conduction silicone gel layer 9 between shielding layer 3 and the insulating oversheath layer 4, can further conduct out the cable with heat through heat conduction silicone gel layer 9.
The insulating inner sheath layer 2 adopts polytetrafluoroethylene extrusion molding, and thereby can play better guard action to conductor core 1 through polytetrafluoroethylene insulating high temperature resistant characteristic, and outer sheath layer 4 adopts half-hard fire-retardant PVC sheath, and half-hard fire-retardant PVC sheath hardness is higher, and the scratch resistance is good, can satisfy the requirement of high-voltage cable construction. Meanwhile, the cable has higher resistivity, can meet the pressure-resistant requirement of the cable outer sheath, and can also meet the place with the flame-retardant requirement due to the very good flame-retardant property.
The shielding layer 3 comprises a metal layer 13 and a film layer 14, the metal layer 13 is woven into a net structure by metal wires, the film layer 14 is of a metal film structure, and electromagnetic interference of the cable to the outside can be prevented by the double-layer shielding structure of the metal layer 13 and the film layer 14.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a high-voltage shield cable, includes conductor core (1), its characterized in that, the outside of conductor core (1) is insulating inner sheath layer (2), shielding layer (3) and oversheath layer (4) in proper order, be equipped with heat dissipation layer one (5) between insulating inner sheath layer (2) and shielding layer (3), heat dissipation layer one (5) include a plurality of fin (6), still be equipped with heat conduction silicone grease layer (7) on the surface of insulating inner sheath layer (2), fin (6) evenly distributed is between heat conduction silicone grease layer (7) and shielding layer (3), two adjacent be equipped with between fin (6) and separate chamber (8), be equipped with heat conduction silicone gel layer (9) between shielding layer (3) and the insulating oversheath layer (4).
2. The high-voltage shielding cable according to claim 1, characterized in that a cross-shaped partition (10) is further arranged between the conductor core (1) and the insulating inner sheath layer (2), the conductor core (1) is divided into four conductor installation areas through the partition (10), a heat absorption pipe (11) is installed in the middle of the partition (10), a plurality of storage grooves (12) are further formed in the partition (10), and cooling liquid is filled in the heat absorption pipe (11) and the storage grooves (12).
3. A high voltage shielded cable according to claim 1, wherein the shielding layer (3) comprises a metal layer (13) and a film layer (14), the metal layer (13) is woven into a net-like structure by metal wires, and the film layer (14) is of a metal film-like structure.
4. A high voltage shielded cable according to claim 1, wherein said insulating inner sheath layer (2) is formed by extrusion of polytetrafluoroethylene.
5. A high voltage shielded cable according to claim 1, wherein the outer jacket layer (4) is a semi-rigid flame retardant PVC jacket.
CN202323104719.3U 2023-11-16 2023-11-16 High-voltage shielding cable Active CN221057194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323104719.3U CN221057194U (en) 2023-11-16 2023-11-16 High-voltage shielding cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323104719.3U CN221057194U (en) 2023-11-16 2023-11-16 High-voltage shielding cable

Publications (1)

Publication Number Publication Date
CN221057194U true CN221057194U (en) 2024-05-31

Family

ID=91205769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323104719.3U Active CN221057194U (en) 2023-11-16 2023-11-16 High-voltage shielding cable

Country Status (1)

Country Link
CN (1) CN221057194U (en)

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