CN210403234U

CN210403234U - High-voltage shielding cable capable of resisting 175 ℃ in vehicle

Info

Publication number: CN210403234U
Application number: CN201920700009.1U
Authority: CN
Inventors: 尹本群; 刘凤华; 鹿向群; 娄永超; 陈长磊; 闵济云
Original assignee: Zhejiang Wanma Special Cable Technology Co ltd
Current assignee: Zhejiang Wanma Special Cable Technology Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-04-24
Anticipated expiration: 2029-05-16

Abstract

The utility model relates to a heat-resisting 175 ℃ high-voltage shielded cable in car has solved the not enough of prior art, which comprises a conductor, the conductor is the bundle silk structure of anaerobic copper wire syntropy transposition, and the conductor outsourcing is equipped with high anti silicon rubber insulation layer that tears, and the outside package of high anti silicon rubber insulation layer that tears is equipped with tinned copper wire weaving layer, the outside that tinned copper wire was woven is wrapped the package by the compound area of plastic-aluminum, the outside package of the compound area of plastic-aluminum is equipped with high anti silicon rubber oversheath that tears. The conductor adopts stranded anaerobic copper wires, and the conductor structure of syntropy transposition has improved flexibility, and minimum bend radius can reach 6D. The insulation and the sheath are made of special high-tear-resistance silicon rubber, so that the high-flexibility high-mechanical-property silicone rubber has high flexibility and good heat resistance of 175 ℃.

Description

High-voltage shielding cable capable of resisting 175 ℃ in vehicle

Technical Field

The utility model belongs to cable preparation field, a high voltage shielded cable in heat-resisting 175 ℃ car.

Background

High-voltage system circuit inside electric automobile, hybrid vehicle. At present, the most common high-voltage line insulating sheath materials in the interior of a car in China are TPE (thermoplastic elastomer), XJPE (XJPE) and other materials, market feedback is provided, and a plurality of cables can crack after being used for a long time under a high-temperature condition, so that normal operation is influenced. Therefore, the development of the high-temperature (175 ℃) resistant and high-tearing-resistant flexible cable has very important significance. At present, the main structure of the common manufacturers at home is composed of a conductor, an insulating layer, a shielding layer and an outer sheath layer. At present, domestic similar products are used for improving the heat-resisting grade of the cable, but the technology is still insufficient.

SUMMERY OF THE UTILITY MODEL

To the tradition that prior art exists but still have many cables and use for a long time under the high temperature condition, the phenomenon of ftractureing can appear, influences normal operating's technical problem, the utility model provides a heat-resisting 175 ℃ high-voltage shielded cable in car.

In order to solve the technical problem, the utility model discloses the technical scheme who takes does: the utility model provides a high-voltage shielded cable in heat-resisting 175 ℃ car, includes the conductor, the conductor is the bundle silk structure of anaerobic copper wire syntropy transposition, and the conductor outsourcing is equipped with high anti silicon rubber insulation layer that tears, and the outside package of high anti silicon rubber insulation layer that tears is equipped with the tinned copper wire weaving layer, the outside that the tinned copper wire was woven is wrapped by the compound area of plastic-aluminum and is packed, the outside package in the compound area of plastic-aluminum is equipped with high anti silicon rubber oversheath that tears. The utility model discloses an innovation point lies in that insulating, sheath material adopt high anti silicon rubber that tears. Wherein the conductor adopts a plurality of strands of anaerobic copper wires to be twisted in the same direction. The insulation and the sheath are made of special high tear-resistant silicon rubber. The beneficial effects are as follows: the conductor adopts stranded anaerobic copper wires, and the conductor structure of syntropy transposition has improved flexibility, and minimum bend radius can reach 6D. The insulation and the sheath are made of special high-tear-resistance silicon rubber, so that the high-flexibility high-mechanical-property silicone rubber has high flexibility and good heat resistance of 175 ℃.

Preferably, the center of the anaerobic copper wire bundle structure is polyester yarn, and the anaerobic copper wire and the polyester yarn are stranded in the same direction for forming. The setting of dacron silk can strengthen the utility model discloses a structural strength.

Preferably, the thickness of the high-tear-resistance silicon rubber outer sheath is greater than or equal to that of the high-tear-resistance silicon rubber insulating layer.

Preferably, the included angle between the warp of the tinned copper wire woven layer and the axis is 45 degrees, and the included angle between the weft of the tinned copper wire woven layer and the axis is 45 degrees. Set up like this, can further strengthen the utility model discloses a flexibility.

As preferred, the flexible resistant wind energy cable of twisting of ultra-low temperature is axially separated by a plurality of distances and just is provided with an annular temperature sensing acrylic ring, temperature sensing acrylic ring can dismantle the connection and be in the outside of high anti silicon rubber oversheath that tears. This setting may serve as a warning.

Preferably, the thickness of the high-tear-resistant silicone rubber outer sheath and the thickness of the high-tear-resistant silicone rubber insulating layer are greater than the radius of the conductor. The utility model discloses set up like this, keep apart the shielding layer in the high anti silica gel layer that tears of two close thickness, play high flexibility, mechanical properties is good, and is heat-resisting can reach +175 ℃, and shields perfect effect.

The utility model discloses a substantive effect is: the conductor adopts stranded anaerobic copper wires, and the conductor structure of syntropy transposition has improved flexibility, and minimum bend radius can reach 6D. The insulation and the sheath are made of special high-tear-resistance silicon rubber, so that the high-flexibility high-mechanical-property silicone rubber has high flexibility and good heat resistance of 175 ℃.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

in the figure, 1, a conductor, 2, a high-tear-resistance silicon rubber insulating layer, 3, a tinned copper wire braided layer and 4, a high-tear-resistance silicon rubber outer sheath.

Detailed Description

The following provides a more detailed description of the present invention, with reference to the accompanying drawings.

Example 1:

the utility model provides a high-voltage shielded cable in heat-resisting 175 ℃ car, as shown in figure 1, includes conductor 1, the conductor is the bundle silk structure of oxygen-free copper wire syntropy transposition, and the conductor outsourcing is equipped with high anti silicon rubber insulation layer 2 that tears, and the outside package of high anti silicon rubber insulation layer is equipped with tinned copper wire weaving layer 3, the outside that the tinned copper wire was woven is wrapped by the compound area of plastic-aluminum and is lapped, the outside package of the compound area of plastic-aluminum is equipped with high anti silicon rubber oversheath 4 that tears. The center of the anaerobic copper wire bundle structure is provided with polyester yarns, and the anaerobic copper wires and the polyester yarns are twisted in the same direction to form the polyester yarns. The thickness of the high-tear-resistance silicon rubber outer sheath is greater than or equal to that of the high-tear-resistance silicon rubber insulating layer. The included angle between the warp of the tinned copper wire woven layer and the axis is 45 degrees, and the included angle between the weft of the tinned copper wire woven layer and the axis is 45 degrees. The ultra-low temperature flexible anti-torsion wind energy cable is axially separated by a plurality of distances and is provided with an annular temperature sensing acrylic ring, and the temperature sensing acrylic ring is detachably connected to the outer side of the high anti-tearing silicone rubber outer sheath. The thickness of the high tear-resistant silicon rubber outer sheath and the thickness of the high tear-resistant silicon rubber insulating layer are larger than the radius of the conductor. The conductor adopts stranded anaerobic copper wires, and the conductor structure of syntropy transposition has improved flexibility, and minimum bend radius can reach 6D. The insulation and the sheath are made of special high-tear-resistance silicon rubber, so that the high-flexibility high-mechanical-property silicone rubber has high flexibility and good heat resistance of 175 ℃.

Example 2:

in this embodiment, the fiber copper wire woven shielding layer is wrapped on the outer side of the wrapping tape layer, an included angle between a warp of the fiber copper wire woven shielding layer and an axis is less than 45 degrees, and an included angle between a weft of the fiber copper wire woven shielding layer and the axis is greater than 45 degrees. And all the warps are tinned copper wires, and all the wefts are fiber wires. Let the copper wire can be as far as possible like this with the axis contained angle of cable a little, beneficial rather than improving flexibility.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The high-voltage shielding cable in the car with the temperature of 175 ℃ resistant is characterized by comprising a conductor, wherein the conductor is of a bundled wire structure formed by oxygen-free copper wires twisted in the same direction, a high-tear-resistant silicon rubber insulating layer is wrapped outside the conductor, a tinned copper wire braided layer is wrapped outside the high-tear-resistant silicon rubber insulating layer, the outer side of the tinned copper wire braided layer is wrapped by an aluminum-plastic composite tape, and a high-tear-resistant silicon rubber outer sheath is wrapped outside the aluminum-plastic composite tape; the center of the anaerobic copper wire bundle structure is provided with polyester yarns, and the anaerobic copper wires and the polyester yarns are twisted in the same direction to form the polyester yarns.

2. The 175 ℃ heat-resistant in-vehicle high-voltage shielded cable according to claim 1, wherein the thickness of the high-tear-resistant silicone rubber outer sheath is greater than or equal to that of the high-tear-resistant silicone rubber insulating layer.

3. The 175 ℃ heat-resistant in-vehicle high-voltage shielded cable according to claim 1, wherein the included angle between the warp of the woven tinned copper wire layer and the axis is 45 °, and the included angle between the weft of the woven tinned copper wire layer and the axis is 45 °.

4. The 175 ℃ heat-resistant in-vehicle high-voltage shielding cable according to claim 1, wherein an annular temperature sensing acrylic ring is arranged at a plurality of axial intervals of the 175 ℃ heat-resistant in-vehicle high-voltage shielding cable, and the temperature sensing acrylic ring is detachably connected to the outer side of the high tear-resistant silicone rubber outer sheath.

5. The 175 ℃ temperature-resistant in-vehicle high-voltage shielded cable according to claim 1, wherein the thickness of the high tear-resistant silicone rubber outer sheath plus the thickness of the high tear-resistant silicone rubber insulating layer is greater than the radius of the conductor.