CN204857213U

CN204857213U - High temperature resistant high pressure resistant shielded cable of aluminium core for electric automobile

Info

Publication number: CN204857213U
Application number: CN201520396953.4U
Authority: CN
Inventors: 周力; 赵志航
Original assignee: CHANGCHUN FORCE AUTOMOTIVE WIRE Co Ltd
Current assignee: CHANGCHUN FORCE AUTOMOTIVE WIRE Co Ltd
Priority date: 2015-06-09
Filing date: 2015-06-09
Publication date: 2015-12-09
Anticipated expiration: 2025-06-09

Abstract

The utility model provides a high temperature resistant high pressure resistant shielded cable of aluminium core for electric automobile relates to car cable field, this cable of is followed interiorly and is included in proper order outward: conductive layer, insulating layer, shielding layer, isolation layer and restrictive coating, the conductive layer is formed by aluminium silk or aluminum -alloy wire transposition, insulating layer and restrictive coating are one kind among the silicon rubber materials of highly compressed resistant 105 DEG C of PVC materials more than the resistant 8KV, 125 DEG C of resistant crosslinked polyolefin material, 150 DEG C of resistant thermoplastic polyester elastomer materials or resistant 200 DEG C, the shielding layer is woven and is formed for the insulating layer adopts the diameter to be same specification tinned copper wire or aluminum -alloy wire between 0.10mm -0.40mm outward, and density is greater than 70%, the isolation layer is fibre paper tape for the cable, and thickness is 0.035mm -0.1mm. The utility model discloses a 23 of the same current -carrying capacity copper cable weight, the price is the equal of 35% of a same current -carrying capacity, has reduced the tare, greatly reduced to the consumption of the energy.

Description

The high pressure resistant shielded type cable of a kind of aluminium core fire resistant used for electric vehicle

Technical field

The utility model relates to automobile cable field, is specifically related to the high pressure resistant shielded type cable of a kind of aluminium core fire resistant used for electric vehicle.

Background technology

Along with the development of automotive engineering, in order to reduce the consumption of the energy, the discharge of decreasing pollution thing, when ensureing that automobile function normally runs, reduce complete vehicle weight is one of important goal of Automobile Design always, and the overall weight of the weight of cable in auto electric transmission occupies very large proportion.Promote the temperature resistant grade of cable, improve the ampacity of cable, can wire cross-sectional be reduced, reduce cable Unit Weight; But the temperature resistant grade of cable depends on the insulating layer material of cable, the material that general heatproof is higher, its processing method is more complicated, and cost is higher.Therefore, the temperature resistant grade of cable can not unrestrictedly promote, and meanwhile, at the position that automobile inner cable is different, the working temperature allowed in its space has a restriction, and the width of local temperature can not be allowed to improve.Under the restriction of these conditions, the approach reducing cable weight is just very limited.

Utility model content

In order to solve problems of the prior art, the utility model provides the high pressure resistant shielded type cable of a kind of novel electric vehicle aluminium core fire resistant, this cable replaces copper conductor by adopting soft aluminum or aluminum alloy multifilament to be twisted together, significantly reduce the weight of unit length cable, the premium properties such as high pressure resistant, high temperature resistant, low temperature resistant, resistant to liquid, high pressure resistant and flexibility be good that simultaneously makes cable still keep having.

The technical scheme that the utility model technical solution problem adopts is as follows:

The high pressure resistant shielded type cable of a kind of novel electric vehicle aluminium core fire resistant, this cable comprises from inside to outside successively: conductor layer, insulating barrier, screen, separator and restrictive coating; Conductor layer is by aluminium wire or aluminum-alloy wire is stranded forms, aluminum content >=99.5% of aluminium wire, aluminum content >=90% of aluminum-alloy wire, iron-holder >=0.3%, copper content >=0.15%; Filament diameter is 0.25mm-0.72mm, and monofilament radical is 37-798 root; Insulating barrier and restrictive coating are the one in the silastic material of resistance to 105 DEG C of PVC material of resistance to more than 8KV high pressure, resistance to 125 DEG C of crosslinked polyolefin materials, resistance to 150 DEG C of thermoplastic polyester elastomeric material or resistance to 200 DEG C; Screen adopts diameter to be that same specification tinned copper wire between 0.10mm-0.40mm or aluminum-alloy wire braiding form, and count is greater than 70%; Separator is cable fiber paper tape, and tape thickness is 0.035mm-0.1mm.

The beneficial effects of the utility model are: the high pressure resistant shielded type cable of aluminium core fire resistant used for electric vehicle of the present utility model, it adopts at the conductor of lighter aluminum as cable, the additional insulating barrier of conductor, screen and separator, insulation adopts special exotic material, and all can stand the high pressure of more than 8KV.This structure of the present utility model makes this battery cables be 2/3 of identical ampacity copper cable weight, and price is the equal of 35% of identical ampacity, significantly reduces tare, greatly reduces the consumption to the energy.Product meets the requirement of ISO standards ISO6722-2 and LV112-2 to aluminium core high-voltage cable.

Accompanying drawing explanation

The cutaway view of the high pressure resistant shielded type cable of a kind of novel electric vehicle of Fig. 1 the utility model aluminium core fire resistant.

In figure: 1, conductor layer, 2, insulating barrier, 3, screen, 4, separator and 5, restrictive coating.

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in further details.

The high pressure resistant shielded type cable of a kind of novel electric vehicle aluminium core fire resistant, this cable comprises from inside to outside successively: conductor layer 1, insulating barrier 2, screen 3, separator 4 and restrictive coating 5; Conductor layer 1 is by aluminium wire or aluminum-alloy wire is stranded forms, aluminum content >=99.5% of aluminium wire, aluminum content >=90% of aluminum-alloy wire, iron-holder >=0.3%, copper content >=0.15%; Filament diameter is 0.25mm-0.72mm, and monofilament radical is 37-798 root; Insulating barrier 2 and restrictive coating 5 are the one in the silastic material of resistance to 105 DEG C of PVC material of resistance to more than 8KV high pressure, resistance to 125 DEG C of crosslinked polyolefin materials, resistance to 150 DEG C of thermoplastic polyester elastomeric material or resistance to 200 DEG C; Screen 3 is outside insulating barrier; Adopt diameter to be that same specification tinned copper wire between 0.10mm-0.40mm or aluminum-alloy wire braiding form, count is greater than 70%; Separator 4 is cable fiber paper tape, and tape thickness is 0.035mm-0.1mm.The cross-sectional area of cable is 10-160mm ².Insulating barrier 2 and restrictive coating 5 are that resistance to 105 DEG C of PVC material are-40 DEG C ~ 105 DEG C long-term works; Resistance to 125 DEG C of crosslinked polyolefin materials are-40 DEG C ~ 125 DEG C long-term works; The long-term work at-40 DEG C ~ 150 DEG C of resistance to 150 DEG C of thermoplastic polyester elastomeric material; Silastic material long-term work at-40 DEG C ~ 200 DEG C of resistance to 200 DEG C.The thickness of insulating barrier 2 is 0.48mm-2.0mm; The thickness of restrictive coating 5 is 0.60-2.5mm.

Example one,

The high pressure resistant shielded type cable of aluminium core fire resistant used for electric vehicle, the cross-sectional area of cable is 85mm ², the fine aluminium skein silk of aluminium conductor structure to be 412 diameters be 0.50mm aluminum content>=99.7% closes and forms; First insulating barrier 2 is high temperature resistant PVC insulation, more than 8KV high pressure can be stood, minimum thickness is 0.90mm, and cable insulation external diameter is 9.9mm to the maximum, and screen 3 adopts the 12 0.25mm aluminum-alloy wire braidings of 24 ingot to form, braiding maximum outside diameter 10.9mm, separator 4 adopts 0.05mm cable fibrous paper wrapped, the second insulating barrier, i.e. restrictive coating 5, minimum thickness 0.90mm, cable maximum outside diameter 13.00mm.Separator 4 is cable fibrous paper lapping layer.Restrictive coating 5 is PVC sheath.The long-term temperature resistant range of AC charging cable is-40 DEG C-105 DEG C, long-term work voltage 300V.

Example two,

The high pressure resistant shielded type cable of aluminium core fire resistant used for electric vehicle, the cross-sectional area of cable is 85mm ², the fine aluminium skein silk of aluminium conductor structure to be 412 diameters be 0.50mm aluminum content>=99.7% closes and forms; First insulating barrier 2 is high temperature resistant PVC insulation, more than 8KV high pressure can be stood, minimum thickness is 0.90mm, and cable insulation external diameter is 9.9mm to the maximum, and screen 3 adopts the 12 0.25mm aluminum-alloy wire braidings of 24 ingot to form, braiding maximum outside diameter 10.9mm, separator 4 adopts 0.05mm cable fibrous paper wrapped, the second insulating barrier, i.e. restrictive coating 5, minimum thickness 0.90mm, cable maximum outside diameter 13.00mm; Separator 4 adopts cable fibrous paper wrapped; Restrictive coating 5, is coated on the restrictive coating outside separator, is high-temperature-resisting silicon rubber sheath.The long-term temperature resistant range of AC charging cable is-40 DEG C-200 DEG C, long-term work voltage 600V.

Claims

1. the high pressure resistant shielded type cable of novel electric vehicle aluminium core fire resistant, is characterized in that, this cable comprises from inside to outside successively: conductor layer, insulating barrier, screen, separator and restrictive coating; Described conductor layer is by aluminium wire or aluminum-alloy wire is stranded forms, aluminum content >=99.5% of aluminium wire, aluminum content >=90% of aluminum-alloy wire, iron-holder >=0.3%, copper content >=0.15%; Filament diameter is 0.25mm-0.72mm, and monofilament radical is 37-798 root; Described insulating barrier and restrictive coating are resistance to 105 DEG C of PVC material of resistance to more than 8KV high pressure, resistance to 125 DEG C of crosslinked polyolefin materials, wherein a kind of in the silastic material of resistance to 150 DEG C of thermoplastic polyester elastomeric material or resistance to 200 DEG C; Described screen adopts diameter to be that same specification tinned copper wire between 0.10mm-0.40mm or aluminum-alloy wire braiding form, and count is greater than 70%; Described separator is cable fiber paper tape, and tape thickness is 0.035mm-0.1mm.

2. the high pressure resistant shielded type cable of a kind of novel electric vehicle aluminium core fire resistant according to claim 1, is characterized in that, the cross-sectional area of described cable is 10-160mm ².

3. the high pressure resistant shielded type cable of a kind of novel electric vehicle aluminium core fire resistant according to claim 1, is characterized in that, described insulating barrier and restrictive coating are that resistance to 105 DEG C of PVC material are-40 DEG C ~ 105 DEG C long-term works; Resistance to 125 DEG C of crosslinked polyolefin materials are-40 DEG C ~ 125 DEG C long-term works; The long-term work at-40 DEG C ~ 150 DEG C of resistance to 150 DEG C of thermoplastic polyester elastomeric material; Silastic material long-term work at-40 DEG C ~ 200 DEG C of resistance to 200 DEG C.

4. the high pressure resistant shielded type cable of a kind of novel electric vehicle aluminium core fire resistant according to claim 1, is characterized in that, the thickness of insulating barrier is 0.48mm-2.0mm; The thickness of restrictive coating is 0.60-2.5mm.