CN202905200U - Electric car and battery cable thereof - Google Patents
Electric car and battery cable thereof Download PDFInfo
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- CN202905200U CN202905200U CN 201220526144 CN201220526144U CN202905200U CN 202905200 U CN202905200 U CN 202905200U CN 201220526144 CN201220526144 CN 201220526144 CN 201220526144 U CN201220526144 U CN 201220526144U CN 202905200 U CN202905200 U CN 202905200U
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Abstract
The utility model discloses an electric car and a battery cable thereof. The battery cable comprises a wire core and an insulating layer (1) which coats the wire core, and the wire core is a composite wire with an inner core which is a metal inner core (3). The metal inner core (3) is coated by a copper layer (2), and the density of the metal inner core (3) is less than the density of the copper layer (2). According to the battery cable provided by the utility model, the composite wire is employed as the wire core of the battery cable. The metal inner core of the composite wire is wrapped by the copper layer from outside, and since a high frequency signal has a 'skin effect' characteristic, when a copper-coated metal wire transmits the high frequency signal, the copper-coated metal wire has same conducting performance with a pure copper wire. Since the wire core of the utility model has the composite properties of the electrical conductivity of copper and small density at the same time, the weight of the battery cable can be greatly reduced.
Description
Technical field
The utility model relates to technical field of electric wires and cables, particularly a kind of electric automobile and battery cables thereof.
Background technology
Electric motor car is exactly take electric power as driving in brief, the car take electric power as the energy.Electric motor car divides by type and can be divided into: electric bicycle, battery-operated motor cycle, electric automobile, electro-tricycle, fuel oil power-assisted dual-purpose electric car.
At present electric automobile is just in the fashionable whole world, and transmits in order to reduce the electric automobile vehicle load and to improve electric vehicle-mounted battery current, is the direction that each electric automobile manufacturer makes great efforts.But traditional vehicle all is to adopt the electric wire of bare conductor structure as conductor with electric wire at present.This kind bare conductor density is very high, but current-carrying is lower, in order to increase current-carrying, must increase the diameter of wire core, causes the electric automobile vehicle load to increase.
Therefore, how to improve current-carrying, then reduce vehicle-mounted electric wire weight, become the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of battery cables, to improve current-carrying, then reduces vehicle-mounted electric wire weight.
For achieving the above object, the utility model provides following technical scheme:
A kind of battery cables, comprise wire core and the insulating barrier that is coated on the described wire core outside, described wire core is composite wire, and its inner core is metal inside, be enclosed with the copper layer in the described metal inside outside, and the density of described metal inside is less than the density of described copper layer.
Preferably, in above-mentioned battery cables, described wire core is the copper-coated aluminum electric wire core.
Preferably, in above-mentioned battery cables, described wire core is the copper covered steel wire core.
Preferably, in above-mentioned battery cables, described insulating barrier is rubber insulation.
Preferably, in above-mentioned battery cables, described insulating barrier is the ethylene propylene diene rubber insulating barrier.
A kind of electric automobile comprises battery and the cable that links to each other with described battery, and described cable is as above each described battery cables.
Can find out that from above-mentioned technical scheme the battery cables that the utility model provides adopts composite wire as the wire core of battery cables.This composite wire is at its metal inside outside parcel copper layer, because high-frequency signal has the characteristics of " skin effect ", so the copper-clad metal wire has the electric conductivity identical with pure copper wire when transmitting high-frequency signal.Wire core of the present utility model possesses the little composite attribute of the conductivity of copper and density simultaneously, therefore can significantly reduce the weight of battery cables.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the battery cables that Fig. 1 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of battery cables, to improve current-carrying, then reduce vehicle-mounted electric wire weight.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the structural representation of the battery cables that Fig. 1 provides for the utility model embodiment.
The battery cables that the utility model embodiment provides comprises wire core and the insulating barrier 1 that is coated on the wire core outside, and insulating barrier 1 is used to wire core that protection and insulation effect are provided.Of the present utility model focusing on, wire core are composite wire, and its inner core is metal inside 3, be enclosed with copper layer 2 in metal inside 3 outsides, and the density of metal inside 3 are less than the density of copper layer 2.
The battery cables that the utility model provides adopts composite wire as the wire core of battery cables.This composite wire is at its metal inside 3 outsides parcel copper layer 2, because high-frequency signal has the characteristics of " skin effect ", so the copper-clad metal wire has the electric conductivity identical with pure copper wire when transmitting high-frequency signal.Wire core of the present utility model possesses the little composite attribute of the conductivity of copper and density simultaneously, therefore can significantly reduce the weight of battery cables.
In the present embodiment, the said wires core is the copper-coated aluminum electric wire core, and namely wherein metal inside 3 is the aluminium inner core.The copper-coated aluminum electric wire core adopts advanced clad welded manufacturing technology, and high-quality copper layer is coated on the outer surface of aluminium bar with one heart, and makes and form firmly interatomic metallurgical binding between copper layer and the aluminium bar.Make two kinds of different metal materials be combined into indivisible integral body, can resemble processing and make drawing and annealing in process the single wire.The density of aluminium is lower than the density of copper, so the battery cables that provides of the utility model both had the high conductivity of copper, has again the advantage of aluminium lightweight.
In the present embodiment, the said wires core also is the copper covered steel wire core.Namely wherein metal inside 3 is the steel inner core, the copper covered steel wire core is the composite wire of the peripheral parcel of steel inner core copper layer, and it utilizes the skin effect of high frequency low voltage signal, walks along the surface at high frequency region, so as long as copper layer thickness reaches certain limit, the signal of certain frequency band just can be guaranteed to transmit.Copper plays the effect of conducting electrical signals, and steel wire is then played a supporting role.
In order further to optimize technique scheme, the insulating barrier 1 that the utility model provides is preferably the ethylene propylene diene rubber insulating barrier for rubber insulation.Ethylene propylene diene rubber is the terpolymer of ethene, propylene and non-conjugated diene hydrocarbon, and its chemical stability is good, and resistance to wear, elasticity and oil resistance are higher, so that battery cables can normally use under-40C-130 ℃ oil pollution environment.
The electric automobile that the utility model embodiment provides comprises battery and the cable that links to each other with battery, and wherein, cable is the as above disclosed battery cables of embodiment.Because this electric automobile has above-mentioned battery cables, therefore have all technique effects of above-mentioned battery cables concurrently, this paper does not repeat them here.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. battery cables, comprise wire core and the insulating barrier (1) that is coated on the described wire core outside, it is characterized in that, described wire core is composite wire, and its inner core is metal inside (3), be enclosed with copper layer (2) in described metal inside (3) outside, and the density of described metal inside (3) is less than the density of described copper layer (2).
2. battery cables according to claim 1 is characterized in that, described wire core is the copper-coated aluminum electric wire core.
3. battery cables according to claim 1 is characterized in that, described wire core is the copper covered steel wire core.
4. each described battery cables is characterized in that according to claim 1-3, and described insulating barrier (1) is rubber insulation.
5. battery cables according to claim 4 is characterized in that, described insulating barrier (1) is the ethylene propylene diene rubber insulating barrier.
6. an electric automobile comprises battery and the cable that links to each other with described battery, it is characterized in that, described cable is such as each described battery cables of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220526144 CN202905200U (en) | 2012-10-15 | 2012-10-15 | Electric car and battery cable thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220526144 CN202905200U (en) | 2012-10-15 | 2012-10-15 | Electric car and battery cable thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905200U true CN202905200U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220526144 Expired - Fee Related CN202905200U (en) | 2012-10-15 | 2012-10-15 | Electric car and battery cable thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337276A (en) * | 2013-06-13 | 2013-10-02 | 苏州科宝光电科技有限公司 | Super soft plumbic acid resistant battery cable |
| EP3683806A1 (en) * | 2019-01-17 | 2020-07-22 | Yazaki Corporation | Cable conductor |
-
2012
- 2012-10-15 CN CN 201220526144 patent/CN202905200U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337276A (en) * | 2013-06-13 | 2013-10-02 | 苏州科宝光电科技有限公司 | Super soft plumbic acid resistant battery cable |
| EP3683806A1 (en) * | 2019-01-17 | 2020-07-22 | Yazaki Corporation | Cable conductor |
| CN111446030A (en) * | 2019-01-17 | 2020-07-24 | 矢崎总业株式会社 | Electric wire conductor |
| US11211182B2 (en) * | 2019-01-17 | 2021-12-28 | Yazaki Corporation | Cable conductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20181015 |