CN218471637U

CN218471637U - Heat-resistant and cold-resistant high-voltage cable for new energy automobile

Info

Publication number: CN218471637U
Application number: CN202221924085.9U
Authority: CN
Inventors: 潘春达; 韩锐锋; 朱道庭; 姚俊杰
Original assignee: Jiangsu Dongju Electric Co ltd
Current assignee: Jiangsu Dongju Electric Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-02-10
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a heat-resisting cold-resistant type high tension cable for new energy automobile, including the conductor with set up in the insulating layer on its surface, the isolation layer, wrap the covering shielding layer, the sheath with weave the shielding layer, the insulating layer wraps up in the circumference side of conductor, the isolation layer sets up in the surface of insulating layer, it sets up in the surface of weaving the shielding layer to weave the shielding layer, the sheath sets up in the surface around the covering shielding layer, be provided with resistance to compression mechanism between covering shielding layer and sheath, insulating layer and sheath in this heat-resisting cold-resistant type high tension cable for new energy automobile, satisfy the cable compliance requirement when can protecting the conductor, can also guarantee the high low temperature resistant performance of cable.

Description

Heat-resistant and cold-resistant high-voltage cable for new energy automobile

Technical Field

The utility model relates to a high tension cable technical field specifically is a heat-resisting cold-resistant type high tension cable for new energy automobile.

Background

The high-voltage cable is one of power cables, is used for transmitting the power cables between 1kv and 1000kv, is mostly applied to power transmission and distribution, the new energy automobile is an automobile which adopts unconventional automobile fuel as a power source (or uses conventional automobile fuel and adopts a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, forms an automobile with advanced technical principle, new technology and new structure, and needs the high-voltage cable to be connected with a storage battery and a charger when the new energy automobile is charged.

The heat-resistant cable with the publication number of CN211555562U comprises three insulating single wires with circular tangent sections in pairs and a cooling pipe, wherein the cooling pipe is positioned in a gap formed by tangency of two adjacent insulating single wires outside the three insulating single wires; the insulating single lines are formed by extruding an insulating layer outside a conductor, winding a first supporting cushion layer, extruding and wrapping a first lining layer of an ethylene propylene rubber elastomer, and the three insulating single lines and the cooling pipe are stranded into a line group; the wire group is sequentially wrapped with a wrapping belt, an extruded ethylene propylene rubber elastomer second inner liner layer and a wound second supporting cushion layer, the first supporting cushion layer and the second supporting cushion layer are polypropylene pipes, and an isolation sleeve, a corrugated copper strip and a high-temperature-resistant silicon rubber sheath are sequentially arranged outside the second supporting cushion layer. The heat-resistant cable of the utility model cools from the inside of the wire group, and the cooling pipe structure is stable and not easy to deform; and cooling liquid is introduced into the first supporting cushion layer and the second supporting cushion layer to cool the heat-resistant cable and isolate the heat-resistant cable from the external high-temperature environment. The utility model discloses heat-resisting cable can be used to the high temperature environment, nevertheless can't satisfy cold-resistant requirement when this cable is heat-resisting.

We have proposed a heat-resistant and cold-resistant high voltage cable for a new energy automobile in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat-resisting cold-resistant type high tension cable for new energy automobile to solve the cold-resistant and heat-resisting problem that can not possess simultaneously of cable that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: heat-resisting cold-resistant type high tension cable for new energy automobile includes the conductor and sets up in insulating layer, isolation layer on its surface, winds package shielding layer, sheath and weave the shielding layer, the insulating layer wraps up in the circumference side of conductor, the isolation layer sets up in the surface of insulating layer, it sets up in the circumference side of isolation layer to weave the shielding layer, set up in the surface of weaving the shielding layer around the package shielding layer, the sheath sets up in the surface around the package shielding layer, be provided with resistance to compression mechanism around between package shielding layer and the sheath.

By adopting the technical scheme, the insulating layer and the sheath can protect the conductor and meet the requirement on the flexibility of the cable, and the high and low temperature resistance of the cable can be ensured.

Furthermore, a protective layer is arranged between the insulating layer and the isolation layer.

By adopting the technical scheme, the protective layer is added to improve the protection of the conductor.

Furthermore, the woven shielding layer and the wrapping shielding layer are provided with tensile nets, and the tensile nets are fixedly connected to the circumferential side of the woven shielding layer.

Through adopting above-mentioned technical scheme, the pull resistance of cable can be improved to tensile net and braided shielding layer cooperation.

Furthermore, the pressure-resistant mechanism comprises a plurality of honeycomb-shaped pipes and a plurality of triangular pipes, wherein the adjacent honeycomb-shaped pipes are fixedly connected, and the triangular pipes are respectively and fixedly connected between the two honeycomb-shaped pipes.

Through adopting above-mentioned technical scheme, resistance to compression mechanism cooperates with the sheath and around the package shielding layer, can improve the anti extrusion performance of cable.

Furthermore, the surface fixed connection of adding the sheath is connected with and adds and protects the muscle, and adds and protect the muscle and be the heliciform.

Through adopting above-mentioned technical scheme, add and protect the muscle and can consolidate adding the protective layer.

Furthermore, the lower side of the sheath is provided with two hinged strips, and the side, close to each other, of each hinged strip is fixedly connected with a bonding block.

Through adopting above-mentioned technical scheme, the cooperation of hinge strip and bonding piece can be fixed with cylinder or plane.

Further, the materials of the sheath and the insulating layer are both cross-linked polyolefin.

By adopting the technical scheme, the cross-linked polyolefin has good heat resistance and cold resistance.

Further, the circumference side of sheath is provided with the lantern ring, the circumference side fixedly connected with connecting block of the lantern ring, two mounting grooves have been seted up to the lower extreme of connecting block, two the hinge strip is activity hinge respectively in two mounting grooves.

By adopting the technical scheme, the hinge strip and the sheath are convenient to connect.

The beneficial effects of the utility model are that:

1. the heat-resistant and cold-resistant high-voltage cable for the new energy automobile has good heat resistance and low temperature resistance.

2. The low-temperature-resistant composite material is provided with a sheath and an insulating layer, wherein the sheath and the insulating layer are made of cross-linked polyolefin, the flame retardant property and the low-temperature resistance of the cross-linked polyolefin have the characteristics of mutual offset, and the improvement of the low-temperature resistance usually reduces the flame retardant property of the material, and vice versa. By adopting the novel flame-retardant auxiliary agent, the flame-retardant property of the material is improved as much as possible while the low-temperature property is ensured, and a balance point is reached.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 first perspective view of the present embodiment;

FIG. 2 is a second perspective view of the present embodiment;

FIG. 3 is a third perspective view of the present embodiment;

fig. 4 is a partially enlarged view of a portion a in fig. 3 of the present embodiment.

In the figure:

1. a conductor;

2. an insulating layer; 3. adding a protective layer; 4. reinforcing ribs; 5. an isolation layer; 6. weaving a shielding layer; 7. a tensile net; 8. wrapping a shielding layer;

9. a compression resistance mechanism; 901. a honeycomb tube; 902. a triangular tube;

10. a sheath; 11. a collar; 12. connecting blocks; 13. hinging the strip; 14. bonding blocks; 15. and (4) mounting the groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 4, a high tension cable for heat-resisting cold-resistant type new energy automobile, including conductor 1 with set up in insulating layer 2 on its surface, the isolation layer 5, around package shielding layer 8, sheath 10 and woven shield 6, insulating layer 2 wraps up in conductor 1's circumference side, isolation layer 5 sets up in insulating layer 2's surface, woven shield 6 sets up in the circumference side of isolation layer 5, set up in woven shield 6's surface around package shielding layer 8, sheath 10 sets up in the surface around package shielding layer 8, be provided with resistance to compression mechanism 9 between package shielding layer 8 and the sheath 10, be provided with between insulating layer 2 and the isolation layer 5 with sheath 3, it improves the protectiveness to conductor 1 to add sheath 3. Braided shield 6 with around being provided with tensile net 7 between package shielding 8, and tensile net 7 fixed connection in braided shield 6's circumference side, tensile net 7 and braided shield 6 cooperation can improve the tensile nature of cable. Add the fixed surface of sheath 3 and be connected with and protect muscle 4, and protect muscle 4 with and be the heliciform, protect muscle 4 with can consolidate adding sheath 3. The materials of the sheath 10 and the insulating layer 2 are cross-linked polyolefin, the cross-linked polyolefin has good heat resistance and cold resistance, the woven shielding layer 6 is matched with the wrapped shielding layer 8, a unique shielding design is designed, a magnetic field in the cable is distributed in a concentric circle, an electric field points to and ends at the shielding layer from an inner conductor, and an electromagnetic field outside the periphery of the cable is zero, so that electromagnetic radiation is shielded, and normal operation of the electric vehicle is ensured. By adopting the novel flame-retardant auxiliary agent, the flame-retardant property of the material is improved as much as possible while the low-temperature property is ensured, and a balance point is reached.

As shown in fig. 1 to 4, two hinge strips 13 are disposed on the lower side of the sheath 10, the hinge strips 13 are formed by hinging a plurality of horizontal plates, bonding blocks 14 are fixedly connected to the sides, close to each other, of the two hinge strips 13, and the hinge strips 13 and the bonding blocks 14 can be matched and fixed with a cylinder or a plane. The circumference side of sheath 10 is provided with the lantern ring 11, and the circumference side fixedly connected with connecting block 12 of lantern ring 11, two mounting grooves 15 have been seted up to the lower extreme of connecting block 12, and two hinge strip 13 activity hinges respectively in two mounting grooves 15, and convenient hinge strip 13 is connected with sheath 10, adjusts the shape of hinge strip 13, can prevent that the cable from running indiscriminately with sheath 10 and car internal fixation through bonding piece 14.

In summary, the following steps: the materials of the sheath 10 and the insulating layer 2 are both cross-linked polyolefin, and the flame retardant property and the low temperature resistance of the cross-linked polyolefin have the characteristics of mutual offset, and the improvement of the low temperature resistance generally reduces the flame retardant property of the materials, and vice versa. Through adopting neotype fire-retardant auxiliary agent, when guaranteeing the low temperature performance, improve the fire behaviour of material as far as possible, reach a balance point, hinge strip 13 and bonding piece 14 cooperation can make things convenient for cable and car internal fixation.

All the components selected in the application are common standard components or components known to those skilled in the art, and the structure and principle of the components can be known to those skilled in the art through technical manuals or through routine experimental methods.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a heat-resisting cold-resistant type high tension cable for new energy automobile which characterized in that: the method comprises the following steps:

the cable comprises a conductor (1), and an insulating layer (2), an isolating layer (5), a wrapping shielding layer (8), a sheath (10) and a braided shielding layer (6) which are arranged on the surface of the conductor;

insulating layer (2) parcel is in the circumference side of conductor (1), isolation layer (5) set up in the surface of insulating layer (2), weave shielding layer (6) and set up in the circumference side of isolation layer (5), set up in the surface of weaving shielding layer (6) around package shielding layer (8), sheath (10) set up in the surface around package shielding layer (8), be provided with resistance to compression mechanism (9) between package shielding layer (8) and sheath (10).

2. The high-voltage cable for the heat-resistant and cold-resistant new energy automobile according to claim 1, characterized in that:

and a protective layer (3) is arranged between the insulating layer (2) and the isolating layer (5).

3. The high-voltage cable for the heat-resistant and cold-resistant new energy automobile according to claim 2, characterized in that:

weave shielding layer (6) and be provided with tensile net (7) around between package shielding layer (8), and tensile net (7) fixed connection is in the circumference side of weaving shielding layer (6).

4. The heat-resistant and cold-resistant high-voltage cable for the new energy automobile as claimed in claim 3, wherein:

the pressure-resistant mechanism (9) comprises a plurality of honeycomb-shaped pipes (901) and a plurality of triangular pipes (902), two adjacent honeycomb-shaped pipes (901) are fixedly connected, and the triangular pipes (902) are respectively and fixedly connected between the two honeycomb-shaped pipes (901).

5. The high-voltage cable for the heat-resistant and cold-resistant new energy automobile according to claim 4, characterized in that:

the surface of the protective layer (3) is fixedly connected with a protective rib (4), and the protective rib (4) is in a spiral shape.

6. The high-voltage cable for the heat-resistant and cold-resistant new energy automobile according to claim 5, characterized in that:

two hinging strips (13) are arranged on the lower side of the sheath (10), and bonding blocks (14) are fixedly connected to the sides, close to each other, of the two hinging strips (13).

7. The heat-resistant and cold-resistant high-voltage cable for the new energy automobile as claimed in claim 6, wherein:

the materials of the sheath (10) and the insulating layer (2) are cross-linked polyolefin.

8. The high-voltage cable for the heat-resistant and cold-resistant new energy automobile according to claim 7, characterized in that:

the circumference side of sheath (10) is provided with the lantern ring (11), circumference side fixedly connected with connecting block (12) of lantern ring (11), two mounting grooves (15) have been seted up to the lower extreme of connecting block (12), two articulated strip (13) swing joint respectively in two mounting grooves (15).