CN104376901B - Aluminum conductor for automotive wiring - Google Patents
Aluminum conductor for automotive wiring Download PDFInfo
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- CN104376901B CN104376901B CN201410718993.6A CN201410718993A CN104376901B CN 104376901 B CN104376901 B CN 104376901B CN 201410718993 A CN201410718993 A CN 201410718993A CN 104376901 B CN104376901 B CN 104376901B
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- aluminum
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- monofilament
- conductor
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Abstract
The invention discloses an aluminum conductor for automotive wiring. The aluminum conductor comprises a cable core and an insulation layer wrapping the cable core. The cable core is composed of a plurality of stranded aluminum wires, the outer diameter of the section of each aluminum wire of the cable core is d=0.15-0.80mm, the product of the sum Sigma S1 of the resistance value RL in unit length of the cable core and the sectional area of the aluminum wire is RL*Sigma S1=30*10-9 omega*m to 33*10-9 omega*m, and the voidage of a cavity enclosed by the insulation layer is 0.4-1.2. The voidage is the ratio (S-Sigma S1)/ Sigma S1 of the difference between the sectional area S of the cavity of the insulation and the sectional area sum Sigma S1 of the aluminum wires in the cable core to the sectional area sum Sigma S1 of the aluminum wires. The weight of the aluminum conductor can be effectively decreased, conductor cost is lowered, the sectional area of the conductor can be effectively controlled, arrangement of the conductor is facilitated, and the aluminum conductor is widely applicable to vehicles such as cars.
Description
Technical field
The present invention relates to signal is carried out on the motor vehicles such as automobile-use cable, more particularly, to automobile controlling and power biography
The aluminum distribution cable of defeated grade.
Background technology
For the motor vehicles such as automobile, vehicle body deadweight and integral vehicle cost are evaluate its performance advantage and cost performance two
Key index.The size of vehicle weight not only directly affects fuel economy and the property safe and reliable to operation of vehicle, but also certainly
Determine the exhaust emissions amount of vehicle.
With the high performance of automobile, multifunction, the control circuit of various electronic equipments greatly increases, an automobile
Distribution cable is all more than hundreds of meters.Increase for wiring lengths such as the signal control line cable on automobile and power transmission cables,
Take up room increase, thus increasing complete vehicle weight and cost, and the increase of vehicle complete vehicle weight both can bring fuel consumption
Increase the aggravation with tail gas discharge capacity, also can affect the braking ability of automobile, then have a strong impact on the safety of automobilism.Simultaneously
The increase of automotive wiring harnesses cable, also brings the raising of auto cost, and the use cost of automobile and acquisition cost all can direct shadows
Ring the desire to buy of consumer；The increase of number of cables, can be also relate in the automobile installing space side of narrow space complexity
Just smoothly lay.In order to mitigate vehicle complete vehicle weight, the acquisition cost reducing automobile and use cost, people begin attempt to use
Aluminium replaces copper material to make automobile distribution cable.
Aluminium aboundresources, aluminium element takes up an area the 7.73% of shell constituent content, and copper only takes up an area shell constituent content not
Foot 0.01%, thus the price of aluminum is cheap more a lot of than copper.The density of especially aluminum be copper density 1/3rd less than, thus
Even if aluminium conductor sectional area brings up to the 150% of copper conductor sectional area, the weight of aluminium conductor also only has the 45% of copper conductor, and this is not
The tensile strength only making aluminium conductor still has some superiority with respect to copper conductor, and more makes the bar in same resistance value
Under part, aluminium conductor quality is only the 50% about of copper cash, so aluminium cable has lightweight, low cost advantage compared with copper cable.But
Come with some shortcomings although aluminium density is low in the practice replacing copper material with aluminium again, lightweight, but automobile cable to be kept is not
The electrical property becoming, change is big so that cable takes up space will necessarily to increase cable conductor total sectional area, and this gives cable narrow and small and answer
Carry out laying installation in miscellaneous space and bring very big difficulty, especially for the pliability improving electric wire, in order to lay
Install, electric wire cable core must take that multifilament is stranded to be formed, and monofilament its flexibility thinner of cable core is better, but cable core monofilament radical amount
Become many, the space between monofilament becomes big, finally leads to cable thicker, cable takes up space and increases once again again.So ensureing wire
In the case of electrical property and flexibility, the low-density of aluminum and many monofilament cable core all can significantly increase taking up space of electric wire, therefore, such as
What gives full play to aluminum conductor lightweight advantage, reasonable cable core structure, reduces cable core monofilament gap to greatest extent and becomes with wire volume
For matter of utmost importance.
Content of the invention
The technical problem to be solved is to provide a kind of automotive wiring harnesses aluminum conductor, and it can not only effectively mitigate leads
Line weight, reduction wire cost, and under conditions of ensureing wire electrical property, can effectively make wire volume optimization, be easy to
Conductor laying is installed.
In order to solve above-mentioned technical problem, the automotive wiring harnesses aluminum conductor of the present invention, including cable core, and it is coated on cable core
On insulating barrier, this cable core forms by some aluminum monofilament are stranded, the aluminum individual filament cross section outside diameter d=0.15mm of described cable core
0.80mm；Resistance per unit length value r of described cable corelAmass sum σ s with aluminum individual filament cross section1Long-pending rl×σs1=30 × 10-9
ω * m～33 × 10-9ω * m (Europe * rice)；Voidage in the surrounded inner chamber of described insulating barrier is 0.4 1.2.
After said structure, it is primarily due to cable core monofilament and is made with aluminium, aluminium aboundresources, price are than copper material just
Preferably, in the case of resistance identical, aluminum steel is only the 50% about of copper cash quality, using aluminum conductor as automotive wiring harnesses, can be effective
Mitigate automotive wiring harnesses weight, and the longer loss of weight of automobile wire is more obvious, cost reduces more notable, from fuel economy and reduction
Discharge aspect, the mitigation of vehicle weight can effectively reduce fuel consumption, then reduces exhaust emissions；In terms of automotive light weight technology,
Due to the mitigation of tare, braking ability increases, and improves the security reliability of automobilism；Aluminium can weigh greatly simultaneously
Multiple recovery uses.Again due to cable core individual filament cross section outside diameter d=0.15mm 0.80mm, the fineness of such monofilament is controlled in one
In rational size range so as to aluminium wire section reduces, length increases, intensity improves, and is more convenient for strengthening the pliability of wire, just
In wire laying installation in complicated small space, take into account double dominant that is flexible and taking up room.Due also to insulating barrier institute
The inner chamber void rate surrounding controls between 0.4 1.2, thus effectively reducing space occupied by aluminum conductor, is easy in automobile
Lay in installing space, reduce aluminium volume and increase adverse effect, make aluminum wire volume optimization；Reduce simultaneously
Gap between aluminum monofilament in twisted wire, makes conductor field uniformity improve again, strengthens the security reliability of electric energy transmission.Again due to
Resistance per unit length value r of cable corelAmass sum σ s with aluminum individual filament cross section1Long-pending rl×σs1=30 × 10-9ω * m～33 ×
10-9ω * m (Europe * rice) is it is achieved that the optimization of cable core resistance per unit length value and electric wire volume balances.
Further, described voidage is amassed s for insulating barrier intracavity section and is amassed and σ with some aluminum individual filament cross section in cable core
s1Difference and some aluminum individual filament cross section amass and σ s1Ratio (s- σ s1)/σs1.
Preferably, the aluminum individual filament cross section outside diameter d=0.15mm 0.45mm of described cable core；Described insulating barrier is surrounded
Inner chamber voidage is 0.45 1.20.
Preferably, the aluminum individual filament cross section outside diameter d=0.30mm 0.42mm of described cable core；Described voidage is 0.4
1.0.
Preferably, the aluminum individual filament cross section outside diameter d=0.5mm 0.8mm of described cable core；Described voidage is 0.4
0.9.
The preferred embodiment of the present invention, described cable core includes some mutually stranded strands, and each strand is by some
Aluminum monofilament is stranded to be formed, and in strand, the direction of lay of aluminum monofilament is identical or contrary with the multiple strand direction of strand.This structure
Be conducive to improving the stress of every monofilament and pliability, more enable very thinization of cable core monofilament, thus greatly enhance whole leading
The flexibility of line；If using the structure being twisted into cable core after the stranded bunchy of monofilament again through carried interest strand again, can effectively tighten cable core
Diameter, reduces the gap between aluminum monofilament in twisted wire；The surface quality of stranded aluminum conductor can be improved again, be twisted into beneficial to monofilament
Cable.
Further, described cable core is stranded successively inside-out is arranged with center portion strand and outer layer strand, this outer layer strand
There are six strands of strands, each strand direction of lay is identical, the multiple strand direction of outer layer strand is contrary with the direction of lay of strand.This structure
Ensure that monofilament and stock cabling compactness, it is to avoid loose stock is it is ensured that wire is flexible.
Further, described cable core is stranded successively inside-out is arranged with center portion strand, middle level strand and outer layer strand, in
Layer strand is identical with strand direction of lay with the multiple strand direction of outer layer strand.This structure enables the equal of every monofilament stretching force
Weighing apparatus, it is to avoid monofilament is drawing and the fracture in stranding process, makes wire have enough stretch-prooves, resist bending, anti-extrusion etc. good
Good mechanical performance.
Brief description
With reference to the accompanying drawings and detailed description automotive wiring harnesses aluminum conductor of the present invention is described further.
Fig. 1 is a kind of cross-sectional structure schematic diagram of specific embodiment of automotive wiring harnesses aluminum conductor of the present invention；
Fig. 2 is the cross-sectional structure schematic diagram of automotive wiring harnesses aluminum conductor another kind specific embodiment of the present invention；
Fig. 3 is the cross-sectional structure schematic diagram of automotive wiring harnesses another specific embodiment of aluminum conductor of the present invention；
In figure, in 1 cable core, 2 aluminum monofilament, 3 strands, 4 insulating barriers, b thickness of insulating layer, d insulating barrier
Chamber diameter, d aluminum filament diameter.
Specific embodiment
As shown in figure 1, this automotive wiring harnesses aluminum conductor bag cable core 1, cable core 1 is formed by some aluminum monofilament 2 are stranded, often
7 aluminum monofilament 2 are twisted into one strand, then twist six strands of strands again in center portion strand periphery and constitute cable core 1.In cable core 1
Periphery is coated with insulating barrier 4, and this insulating barrier 4 is the insulation by extruding the solid type insulating barrier of formation with cross-linking polyethylene materials
The material of layer 4 can also be pvc or tpu isoelectric line insulant.Insulating barrier 4 is in circular, and the wall thickness of insulating barrier 4 is b, this thickness
Degree b should keep uniform.The intracavity diameter that the inwall of insulating barrier 4 is surrounded is d, and this intracavity diameter d is equal to the stranded outer of cable core 1
Footpath, this intracavity section corresponding amasss as s.Aluminum monofilament 2 adopts aluminum or aluminum alloy material as conductor material；Aluminum monofilament 2 is
Circular elongated silk, to improve overall bulk softness, the tensile strength of cable, the section circle external diameter of single aluminum monofilament 2 is d, corresponding
Single aluminum monofilament 2 sectional area be s1, in cable core 1, the conductor cross sectional area summation of some aluminum monofilament 2 is σ s1If, by
The resistance value of the unit length (under the conditions of 20 DEG C, 1 meter long) of cable core 1 that dry root aluminum monofilament 2 is constituted is rl, the list of cable core 1
Bit length resistance value rlConductor cross sectional area sum σ s with cable core 11Product be rl×σs1, select suitable rl×σs1Make
Obtain mutually coordinated between resistance value and sectional area and volume, reach stable cable resistance value and the effect of the cable volumetric spaces optimizing
Really.The intracavity section that insulating barrier 4 is surrounded amasss and cable core some aluminums monofilament 2 conductor cross sectional area sum σ s1Between difference be s-
σs1, this difference is the void area outside cable core conductor in insulating barrier inner chamber, above-mentioned difference s- σ s1With σ s1Ratio (s-
s1)/σs1By the voidage in the surrounded inner chamber of insulating barrier 4.Cable core is that volume shared by single conductor cable is minimum in theory, but
Should be made up of some single conductor in view of factor cable cores such as cable flexibility, cable intensity and processing technique, and single conductor
Flexibility that is more thin more being conducive to raising wire and intensity, therefore consider above-mentioned factor and should preferentially determine its voidage, according to
Voidage (the s- σ s of repetition test and the actual analysis present invention1)/σs1Should be optimum between 0.4 1.2, single aluminum simultaneously
The diameter of section d of monofilament 2 is between 0.2mm 0.8mm；Resistance per unit length value r of cable corelAmass sum with aluminum individual filament cross section
σs1Long-pending rl×σs1=30 × 10-9ω * m～33 × 10-9ω * m (Europe * rice).This structure and parameter ensure that cable flexible,
The optimization equilibrium in intensity and space.
Embodiment one:
As shown in figure 1, cable core 1 is formed cable core 1 (each black circles of in figure is represented by 49 aluminum monofilament 2 are mutually stranded
A piece aluminum monofilament), aluminum monofilament 2 is with aluminium alloy as material.It is coated with insulating barrier 4, every aluminum monofilament 2 in cable core 1 periphery
Section overall diameter d=0.30mm it is contemplated that monofilament extrudes error, 49 aluminum monofilament 2 sectional area sum σ s1Control
1.25mm2—1.15mm2Between, therefore wire nominal σ s1For 1.25mm2, the aluminum conductor of this structure is applied to vehicle signal control
Line.Between 1.70mm 1.90mm, the intracavity diameter of insulating barrier 4 then controls in 1.46mm the outside diameter control of insulating barrier 4
1.66mm between.Also to should apply to aluminum monofilament 2 cross-sectional outer diameter d=0.15mm 0.45mm, insulating barrier 4 is surrounded this structure
Inner chamber voidage be 0.45 1.20 between.Resistivity r of every meter of length of cable core 1lWith 49 cable core conductor sectional area sums
σs1Product rl×σs1=30 × 10-9ω * m～33 × 10-9ω*m.
Embodiment two:
As shown in Fig. 2 cable core 1 includes 59 aluminum monofilament (in figure each black round dot represents one strand), this aluminum
Matter monofilament with pure aluminum or aluminum alloy as material, the outside diameter d=0.42mm of every aluminum monofilament.Cable core 1 is tangled structure again using two-layer,
Cable core 1 is stranded successively inside-out to be arranged with center portion strand and outer layer strand, and center portion strand is formed by 11 aluminum monofilament are stranded,
Outer layer strand is then formed by 8 aluminum monofilament are stranded.The bunchy bundle strand direction of center portion strand is left-hand (s to), its bundle strand section
Away from for 45mm, the bundle strand direction of outer layer strand is left-hand (s to), and its bundle strand pitch is 38mm；Pass through in the periphery of center portion strand
Stranded again have 6 strands of outer layer strands, and the multiple strand direction of outer layer strand is dextrad (z to), and twisting pitch again is 125mm, and that is, strand becomes
Bundle direction of lay with twist in opposite direction again, the aluminum conductor of this structure is applied to automotive power transmission line.This structure is also corresponding to be suitable for
In aluminum individual filament cross section d=0.30mm 0.42mm, the inner chamber voidage that insulating barrier 4 is surrounded is 0.4 0.9. cable core 1 every meter
Resistivity r of lengthlWith 59 cable core conductor sectional area sum σ s1Product rl×σs1=30 × 10-9ω * m～33 × 10-9
ω*m.
Embodiment three:
Automotive wiring harnesses aluminum conductor as shown in Figure 3, cable core 1 includes 1520 aluminum monofilament (in figure each black round dot
Represent one strand), this aluminum monofilament with fine aluminium as material, the outside diameter d=0.72mm of every aluminum monofilament, 1520 aluminum lists
Silk sectional area sum σ s1Control in 122mm2—113mm2Between, therefore wire nominal σ s1For 120mm2, insulating barrier 4 external diameter
17.70mm 19.70mm, the intracavity diameter of insulating barrier 4 then controls between 16.40mm 18.50mm.Cable core 1 adopts three layers
Tangle structure again, and cable core 1 is stranded successively inside-out to be arranged with center portion strand, middle level strand and outer layer strand, and per share strand all wraps
Include 80 aluminum monofilament, constitute the cable structure of 1 × 80+6 × 80+12 × 80.Center portion strand is located at the centre bit of cable core 1
Put, the bunchy direction of lay of this center portion strand is left-hand (s to), and its bundle strand pitch is 40mm, the multiple strand direction of 6 strands of middle level strands
Also it is dextrad, twisting pitch again is 140mm.There are 12 strands of outer layer strands, outer layer strand in the periphery of middle level strand by stranded again
Bundle strand direction be left-hand (s to), its bundle strand pitch is 40mm, and the multiple strand direction of 12 strands of outer layer strands is also left-hand, multiple twists section
Away from for 150mm.This structure is also to should apply to aluminum individual filament cross section external diameter 0.5mm 0.8mm, the inner chamber that insulating barrier 4 is surrounded
Voidage is 0.4 0.9, resistivity r of every meter of length of cable core 1lWith 59 cable core conductor sectional area sum σ s1Product rl×
σs1=30 × 10-9ω * m～33 × 10-9ω*m.
Above-mentioned some preferred implementations having enumerated the present invention, but the invention is not limited in this, its bundle strand structure is equal
Should carry out as the case may be selecting to determine.Ultimate principle according to the present invention can also make the modifications and variations of many, this
A little modifications and variations each fall within protection scope of the present invention.
Claims (6)
1. a kind of automotive wiring harnesses aluminum conductor, including cable core (1), and is coated on the insulating barrier (4) on cable core (1), this cable core
(1) by some aluminum monofilament (2) stranded form it is characterised in that: aluminum monofilament (2) the cross-sectional outer diameter d=of described cable core (1)
0.15mm-0.80mm；Resistance per unit length value r of described cable core (1)lWith aluminum monofilament (2) sectional area sum σ s1Long-pending rl×
σs1=30 × 10-9ω * m～33 × 10-9ω*m；Voidage in the surrounded inner chamber of described insulating barrier (4) is 0.4-1.2；
Described voidage is that insulating barrier (4) intracavity section amasss s and aluminum monofilament (2) sectional area and σ s in cable core (1)1If difference with
Dry aluminum monofilament (2) sectional area and σ s1Ratio (s- σ s1)/σs1；
Described cable core (1) includes some mutually stranded strands, and each strand is formed by some aluminum monofilament (2) are stranded, stock
In line, the direction of lay of aluminum monofilament (2) is identical or contrary with the multiple strand direction of strand.
2. automotive wiring harnesses aluminum conductor according to claim 1 it is characterised in that: the aluminum monofilament (2) of described cable core (1)
Cross-sectional outer diameter d=0.15mm-0.45mm；The inner chamber voidage that described insulating barrier (4) is surrounded is 0.45-1.20.
3. automotive wiring harnesses aluminum conductor according to claim 1 it is characterised in that: the aluminum monofilament (2) of described cable core (1)
Cross-sectional outer diameter d=0.30mm-0.42mm；Described voidage is 0.4-1.0.
4. automotive wiring harnesses aluminum conductor according to claim 1 it is characterised in that: the aluminum monofilament (2) of described cable core (1)
Cross-sectional outer diameter d=0.5mm-0.8mm；Described voidage is 0.4-0.9.
5. automotive wiring harnesses aluminum conductor according to claim 1 it is characterised in that: described cable core (1) is inside-out successively
Stranded be arranged with center portion strand and outer layer strand, this outer layer strand has six strands of strands, and each strand direction of lay is identical, outer layer strand
Multiple strand direction contrary with the direction of lay of strand.
6. automotive wiring harnesses aluminum conductor according to claim 1 it is characterised in that: described cable core (1) is inside-out successively
Stranded be arranged with center portion strand, middle level strand and outer layer strand, the multiple strand direction of middle level strand and outer layer strand is stranded with strand
Direction is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718993.6A CN104376901B (en) | 2014-12-03 | 2014-12-03 | Aluminum conductor for automotive wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718993.6A CN104376901B (en) | 2014-12-03 | 2014-12-03 | Aluminum conductor for automotive wiring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104376901A CN104376901A (en) | 2015-02-25 |
| CN104376901B true CN104376901B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410718993.6A Active CN104376901B (en) | 2014-12-03 | 2014-12-03 | Aluminum conductor for automotive wiring |
Country Status (1)
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| CN (1) | CN104376901B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931702A (en) * | 2016-06-27 | 2016-09-07 | 平高集团有限公司 | Fine-pitch flexible aluminum stranded wire and manufacturing method thereof |
| JP6113348B1 (en) * | 2016-10-18 | 2017-04-12 | Ntn株式会社 | Power cable for in-wheel motor and its wiring structure / selection method |
| EP3703083B1 (en) * | 2017-10-26 | 2022-06-22 | Furukawa Electric Co., Ltd. | Carbon nanotube composite wire, carbon nanotube-coated electric wire, and wire harness |
| JP7073871B2 (en) * | 2018-04-13 | 2022-05-24 | 日立金属株式会社 | Conductors, wires and cables |
| CN110246616A (en) * | 2019-07-10 | 2019-09-17 | 合肥达户电线电缆科技有限公司 | A kind of resist bending flexible cable |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19744667B4 (en) * | 1996-10-09 | 2007-11-22 | Kabelwerk Lausitz Gmbh | Low voltage power line for motor vehicles |
| JP4043889B2 (en) * | 2002-08-29 | 2008-02-06 | 古河電気工業株式会社 | Aluminum cable for automobile |
| CN101017712A (en) * | 2007-02-16 | 2007-08-15 | 张绍林 | Application of the copper clad aluminum magnesium alloy in the car wiring harness |
| CN101075484A (en) * | 2007-06-22 | 2007-11-21 | 苏州科宝光电科技有限公司 | Electric cable for hybrid power electric automobile |
| JP2012119073A (en) * | 2010-11-29 | 2012-06-21 | Yazaki Corp | Stranded conductor for insulated wire |
| CN204407028U (en) * | 2014-12-03 | 2015-06-17 | 江苏诸利电气有限公司 | Automotive wiring harnesses aluminum conductor |
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2014
- 2014-12-03 CN CN201410718993.6A patent/CN104376901B/en active Active
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Effective date of registration: 20191118 Address after: 224200 Industrial Centralized North District, Sizao Town, Dongtai City, Yancheng City, Jiangsu Province Patentee after: Jiangsu Zhucheng Cable Co., Ltd. Address before: 224200 Yingbin Road South, Dongtai machinery and Electronics Industrial Park, Jiangsu, Yancheng City Patentee before: JIANGSU ZHULI ELECTRIC CO., LTD. |