CN204407028U - Automotive wiring harnesses aluminum conductor - Google Patents

Automotive wiring harnesses aluminum conductor Download PDF

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Publication number
CN204407028U
CN204407028U CN201420744267.7U CN201420744267U CN204407028U CN 204407028 U CN204407028 U CN 204407028U CN 201420744267 U CN201420744267 U CN 201420744267U CN 204407028 U CN204407028 U CN 204407028U
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China
Prior art keywords
cable core
strand
aluminium matter
monofilament
aluminum conductor
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Expired - Fee Related
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CN201420744267.7U
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Chinese (zh)
Inventor
朱汉青
陈渊
朱华倩
柳磊
何雨晴
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JIANGSU ZHULI ELECTRIC Co Ltd
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JIANGSU ZHULI ELECTRIC Co Ltd
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Abstract

The utility model discloses a kind of automotive wiring harnesses aluminum conductor, comprise cable core, and be coated on the insulating barrier on cable core, this cable core forms by some aluminium matter monofilament are stranded, the aluminium matter individual filament cross section outside diameter d=0.15mm-0.80mm of described cable core; The resistance per unit length value R of described cable core lsum ∑ S is amassed with aluminium matter individual filament cross section 1long-pending R l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m; Described insulating barrier the voidage surrounded in inner chamber be 0.4-1.2.Described voidage is that insulating barrier intracavity section amasss some aluminium matter individual filament cross section sum ∑ S in S and cable core 1difference and some aluminium matter individual filament cross section sum ∑ S 1ratio (S-∑ S 1)/∑ S 1.This aluminum conductor effectively can not only alleviate wire weight, reduces wire cost, and can effective pilot sectional area, is convenient to conductor laying installation, is widely used in the motor vehicles such as automobile.

Description

Automotive wiring harnesses aluminum conductor
Technical field
The utility model relates to automobile-use cable, particularly relates to the aluminium matter distribution cable carrying out signal controlling and power transmission etc. on the motor vehicles such as automobile.
Background technology
For the motor vehicles such as automobile, vehicle body deadweight and integral vehicle cost evaluate two key indexs of its performance advantage and cost performance.The size of vehicle weight not only directly affects the fuel economy of vehicle and property safe and reliable to operation, but also determines the exhaust emissions amount of vehicle.
Along with high performance, the multifunction of automobile, the control circuit of various electronic equipment greatly increases, and the distribution cable of an automobile is all more than hundreds of rice.The wiring lengths such as the signal controlling cable on automobile and power transmission cable increase, take up room increase, thus strengthen complete vehicle weight and cost, and the increase of vehicle complete vehicle weight both can bring the increase of fuel consumption and the aggravation of tail gas discharge capacity, also can affect the braking ability of automobile, then have a strong impact on the fail safe of automobilism.The increase of automotive wiring harnesses cable, also bring the raising of auto cost, and the use cost of automobile and acquisition cost all directly can affect the desire to buy of consumer simultaneously; The increase of number of cables, can be also related at narrow space, the automobile installing space of complexity be convenient lays smoothly.In order to alleviate vehicle complete vehicle weight, the acquisition cost reducing automobile and use cost, people start trial aluminium and replace copper material to make automobile distribution cable.
Aluminium aboundresources, aluminium element takes up an area 7.73% of shell constituent content, and copper only takes up an area shell constituent content less than 0.01%, and thus the cost ratio copper of aluminium is cheaply a lot.Especially the density of aluminium be copper density 1/3rd less than, even if thus aluminium conductor sectional area brings up to 150% of copper conductor sectional area, the weight of aluminium conductor also only has 45% of copper conductor, this not only makes the tensile strength of aluminium conductor still have some superiority relative to copper conductor, and more make aluminium conductor quality under the condition of same resistance value be only about 50% of copper cash, so aluminium cable has lightweight, that cost is low advantage compared with copper cable.But replace with aluminium coming with some shortcomings again in the practice of copper material, although aluminium density is low, lightweight, but keep the electrical property that automobile cable is constant, cable conductor total sectional area will inevitably be increased, cable is taken up space and becomes large, this gives cable narrow and small and carry out laying installation in the space of complexity and bring very large difficulty, especially in order to improve the pliability of electric wire, so that laying installation, electric wire cable core must take that multifilament is stranded to be formed, monofilament its flexibility thinner of cable core is better, but the quantitative change of cable core monofilament radical is many, space between monofilament becomes large, finally cause again cable thicker, cable takes up space and increases once again.So under guarantee wire electrical property and flexibility situation, the low-density of aluminium and many monofilament cable core all can obviously increase taking up space of electric wire, therefore, how to give full play to aluminum conductor lightweight advantage, reasonable cable core structure, reduces cable core monofilament gap to greatest extent and wire volume becomes matter of utmost importance.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of automotive wiring harnesses aluminum conductor, it effectively can not only alleviate wire weight, reduce wire cost, and under the condition ensureing wire electrical property, effectively can make the optimization of wire volume, be convenient to conductor laying and install.
In order to solve the problems of the technologies described above, automotive wiring harnesses aluminum conductor of the present utility model, comprises cable core, and is coated on the insulating barrier on cable core, and this cable core forms by some aluminium matter monofilament are stranded, the aluminium matter individual filament cross section outside diameter d=0.15mm-0.80mm of described cable core; The resistance per unit length value R of described cable core lsum ∑ S is amassed with aluminium matter individual filament cross section 1long-pending R l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m(Europe * rice); Described insulating barrier the voidage surrounded in inner chamber be 0.4-1.2.
After adopting said structure, first because cable core monofilament is made with aluminium, aluminium aboundresources, cost ratio copper material are cheap, when resistance is identical, aluminum steel is only about 50% of copper cash quality, using aluminum conductor as automotive wiring harnesses, can effectively alleviate automotive wiring harnesses weight, and the longer loss of weight of automobile wire is more obvious, cost reduces more remarkable, from fuel economy and reduction discharge aspect, alleviating of vehicle weight effectively can reduce fuel consume, then reduces exhaust emissions; From automotive light weight technology aspect, due to alleviating of tare, braking ability increases, and improves the security reliability of automobilism; Aluminium can repeat greatly to reclaim and use simultaneously.Again due to cable core individual filament cross section outside diameter d=0.15mm-0.80mm, the fineness of such monofilament is controlled in a rational size range, make the reduction of its aluminium wire cross section, length increases, intensity improves, be more convenient for strengthening the pliability of wire, being convenient to wire laying installation in complicated small space, having taken into account the flexible double dominant with taking up room.In the inner chamber also surrounded due to insulating barrier, voidage controls between 0.4-1.2, thus effectively reduce space occupied by aluminum conductor, be convenient to lay in automobile installing space, reduce aluminium volume and increase adverse effect, make aluminium matter wire volume optimization; Reduce the gap in twisted wire between aluminium matter monofilament simultaneously, make again conductor field uniformity improve, strengthen the security reliability of delivery of electrical energy.Again due to the resistance per unit length value R of cable core lsum ∑ S is amassed with aluminium matter individual filament cross section 1long-pending R l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m(Europe * rice), achieve the Optimization Balancing of cable core resistance per unit length value and electric wire volume.
Further, described voidage is that insulating barrier intracavity section amasss the difference of some aluminium matter individual filament cross section sum ∑ S1 in S and cable core and some aluminium matter individual filament cross section sum ∑ S 1ratio (S-∑ S 1)/∑ S 1.
Preferably, aluminium matter individual filament cross section outside diameter d=0.15mm-0. 45mm of described cable core; The inner chamber voidage that described insulating barrier surrounds is 0.45-1.20.
Preferably, aluminium matter individual filament cross section outside diameter d=0.30 mm-0.42 mm of described cable core; Described voidage is 0.4-1.0.
Preferably, aluminium matter individual filament cross section outside diameter d=0.5 mm-0.8 mm of described cable core; Described voidage is 0.4-0.9.
Preferred implementation of the present utility model, described cable core includes some mutually stranded strands, and each strand forms by some aluminium matter monofilament are stranded, and in strand, the direction of lay of aluminium matter monofilament is identical or contrary with the multiple strand direction of strand.This structure is conducive to the stressed and pliability improving every root monofilament, more can realize the attenuate of cable core monofilament, thus greatly strengthen the flexibility of whole wire; Be twisted into the structure of cable core after adopting the stranded bunchy of monofilament again through some strands of strands again, can effectively tighten cable core diameter, reduce the gap between aluminium matter monofilament in twisted wire; The surface quality of stranded aluminum conductor can be improved again, be beneficial to monofilament twisted synthesizing cable.
Further, described cable core is from inner outside stranded arrangement intentionally portion's strand and outer strand successively, and this outer strand has six strands of strands, and each strand direction of lay is identical, and the multiple strand direction of outer strand is contrary with the direction of lay of strand.Such a construction ensures monofilament and stock cabling compactness, avoid loose stock, ensure that wire is flexible.
Further, described cable core is from inner outside stranded arrangement intentionally portion's strand, middle level strand and outer strand successively, and middle level strand is identical with strand direction of lay with the multiple strand direction of outer strand.This structure can realize the equilibrium of every root monofilament stretching force, avoids monofilament in the fracture drawn and in stranding process, makes wire have the good mechanical performance such as enough stretch-prooves, resist bending, anti-extrusion.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model automotive wiring harnesses aluminum conductor is described further.
Fig. 1 is the cross-sectional structure schematic diagram of a kind of embodiment of the utility model automotive wiring harnesses aluminum conductor;
Fig. 2 is the cross-sectional structure schematic diagram of the another kind of embodiment of the utility model automotive wiring harnesses aluminum conductor;
Fig. 3 is the cross-sectional structure schematic diagram of another embodiment of the utility model automotive wiring harnesses aluminum conductor;
In figure, 1-cable core, 2-aluminium matter monofilament, 3-strand, 4-insulating barrier, B-thickness of insulating layer, D-insulating barrier intracavity diameter, d-aluminium matter filament diameter.
Embodiment
As shown in Figure 1, this automotive wiring harnesses aluminum conductor bag cable core 1, cable core 1 forms by some aluminium matter monofilament 2 are stranded, and every 7 aluminium matter monofilament 2 are twisted into one strand, then twist six strands of strands again in strand periphery, heart portion and form cable core 1.Be coated with insulating barrier 4 in the periphery of cable core 1, this insulating barrier 4 is with cross-linking polyethylene materials by extruding the solid type insulating barrier of formation, and the material of insulating barrier 4 can also be PVC or TPU isoelectric line insulating material.Insulating barrier 4 is in circular, and the wall thickness of insulating barrier 4 is B, and this thickness B should keep even.The intracavity diameter that the inwall of insulating barrier 4 surrounds is D, and this intracavity diameter D equals the stranded external diameter of cable core 1, and this corresponding intracavity section amasss as S.Aluminium matter monofilament 2 adopts aluminum or aluminum alloy material as conductor material; Aluminium matter monofilament 2 is circular elongated silk, and to improve overall bulk softness, the tensile strength of cable, the cross section circle external diameter of single aluminium matter monofilament 2 is d, and the sectional area of corresponding single aluminium matter monofilament 2 is S 1, in cable core 1, the cross-sectional area of conductor of some aluminium matter monofilament 2 amasss summation is ∑ S 1, the resistance value of the unit length of the cable core 1 be made up of some aluminium matter monofilament 2 (under 20 DEG C of conditions, 1 meter long) is R l, the resistance per unit length value R of cable core 1 lsum ∑ S is amassed with the cross-sectional area of conductor of cable core 1 1product be R l ×∑ S 1, select suitable R l ×∑ S 1make mutually to coordinate between resistance value and sectional area and volume, reach the effect of the cable volumetric spaces of stable cable resistance value and optimization.The intracavity section that insulating barrier 4 surrounds is long-pending amasss sum ∑ S with cable core some aluminium matter monofilament 2 cross-sectional area of conductor 1between difference be S-∑ S 1, this difference is the void area in insulating barrier inner chamber outside cable core conductor, above-mentioned difference S-∑ S 1with ∑ S 1ratio (S-∑ S 1)/∑ S 1surround by insulating barrier 4 voidage in inner chamber.Cable core volume shared by single conductor cable is minimum in theory, but consider that the factor cable cores such as cable flexibility, cable intensity and processing technology should be made up of some single conductor, and single conductor is more carefully more conducive to the flexibility and the intensity that improve wire, therefore consider above-mentioned factor and should preferentially determine its voidage, according to repetition test and actual analysis voidage of the present utility model (S-∑ S 1)/∑ S 1optimum between should be 0.4-1.2, the diameter of section d of single aluminium matter monofilament 2 is between 0.2mm-0.8mm simultaneously; The resistance per unit length value R of cable core lthe long-pending R of sum ∑ S1 is amassed with aluminium matter individual filament cross section l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m(Europe * rice).This structure and parameter ensure that cable is flexible, the optimization in intensity and space is balanced.
Embodiment one:
As shown in Figure 1, cable core 1 forms each black round dot in cable core 1(figure represent an aluminium matter monofilament by 19 aluminium matter monofilament 2 is mutually stranded), aluminium matter monofilament 2 take aluminium alloy as material.Be coated with insulating barrier 4 in cable core 1 periphery, the cross section overall diameter d=0.30mm of every root aluminium matter monofilament 2, considers that monofilament extrudes error, and 19 aluminium matter monofilament 2 sectional area sum ∑ S1 control at 1.25 mm 2-1.15 mm 2between, therefore wire nominal ∑ S1 is 1.25 mm 2, the aluminum conductor of this structure is applied to vehicle signal control line.The external diameter of insulating barrier 4 controls between 1.70mm-1.90mm, and the intracavity diameter of insulating barrier 4 then controls between 1.46mm-1.66mm.This structure also correspondence is applicable to aluminium matter monofilament 2 cross-sectional outer diameter d=0.15mm-0.45mm, and the inner chamber voidage that insulating barrier 4 surrounds is between 0.45-1.20.The resistivity R of cable core 1 every meter of length lwith 19 cable core conductor sectional area sum ∑ S 1product R l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m.
Embodiment two:
As shown in Figure 2, cable core 1 includes each black round dot in 59 aluminium matter monofilament 2(figure and represents one strand), this aluminium matter monofilament 2 with pure aluminum or aluminum alloy for material, the outside diameter d=0.42mm of every root aluminium matter monofilament.Cable core 1 adopts the two-layer structure that tangles again, and cable core 1 is from inner outwards stranded arrangement intentionally portion's strand and outer strand successively, and heart portion strand forms by 11 aluminium matter monofilament are stranded, and outer strand then forms by 8 aluminium matter monofilament are stranded.The bunchy bundle strand direction of heart portion strand is left-hand (S to), and its bundle strand pitch is 45mm, and the bundle strand direction of outer strand is left-hand (S to), and its bundle strand pitch is 38mm; Have 6 strands of outer strands in the periphery of heart portion strand by stranded again, the multiple strand direction of outer strand is dextrad (Z-direction), and twisting pitch is again 125mm, and namely strand bunchy direction of lay is with to twist direction again contrary, and the aluminum conductor of this structure is applied to automotive power transmission line.This structure also correspondence is applicable to aluminium matter monofilament 2 cross section d=0.30mm-0.42mm, and the inner chamber voidage that insulating barrier 4 surrounds is the resistivity R of 0.4-0.9. cable core 1 every meter of length lwith 59 cable core conductor sectional area sum ∑ S 1product R l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m.
Embodiment three:
Automotive wiring harnesses aluminum conductor as shown in Figure 3, cable core 1 comprises each black round dot in 1520 aluminium matter monofilament 2(figure and represents one strand), this aluminium matter monofilament 2 take fine aluminium as material, the outside diameter d=0.72mm of every root aluminium matter monofilament 2, and 1520 aluminium matter monofilament 2 sectional area sum ∑ S1 control at 122 mm 2-113 mm 2between, therefore wire nominal ∑ S1 is 120 mm 2, 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 the three layers of structure that tangles again, and cable core 1 is from inner outside stranded arrangement intentionally portion's strand, middle level strand and outer strand successively, and per share strand has included 80 aluminium matter monofilament, forms the cable structure of 1 × 80+6 × 80+12 × 80.Heart portion strand is positioned at the center of cable core 1, and the bunchy direction of lay of this heart portion strand is left-hand (S to), and its bundle strand pitch is 40mm, and the multiple strand direction of 6 strands of middle level strands also be dextrad, and strand pitch is 140mm again.Have 12 strands of outer strands in the periphery of middle level strand by stranded again, the bundle strand direction of outer strand is left-hand (S to), and its bundle strand pitch is 40mm, and the multiple strand direction of 12 strands of outer strands also be left-hand, and strand pitch is 150mm again.This structure also correspondence is applicable to aluminium matter monofilament 2 cross-sectional outer diameter 0.5mm-0.8mm, and the inner chamber voidage that insulating barrier 4 surrounds is 0.4-0.9, the resistivity R of cable core 1 every meter of length lwith 59 cable core conductor sectional area sum ∑ S 1product R l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m.
Above-mentionedly enumerated preferred implementations more of the present utility model, but the utility model is not limited thereto, its bundle structure that tangles all should carry out selection as the case may be and determines.Can also make many improvement and conversion according to general principle of the present utility model, these improve and conversion all falls in protection range of the present utility model.

Claims (8)

1. an automotive wiring harnesses aluminum conductor, comprise cable core (1), and the insulating barrier (4) be coated on cable core (1), this cable core (1) forms by some aluminium matter monofilament (2) are stranded, it is characterized in that: aluminium matter monofilament (2) cross-sectional outer diameter d=0.15mm-0.80mm of described cable core (1); The resistance per unit length value R of described cable core (1) lwith aluminium matter monofilament (2) sectional area sum ∑ S 1long-pending R l ×∑ S 1=30 ×10 -9Ω * m ~ 33 ×10 -9Ω * m; Described insulating barrier (4) the voidage surrounded in inner chamber be 0.4-1.2.
2. automotive wiring harnesses aluminum conductor according to claim 1, is characterized in that: described voidage is that insulating barrier (4) intracavity section amasss some aluminium matter monofilament (2) sectional areas and ∑ S in S and cable core (1) 1difference and some aluminium matter monofilament (2) sectional areas and ∑ S 1ratio (S-∑ S 1)/∑ S 1.
3. automotive wiring harnesses aluminum conductor according to claim 1 and 2, is characterized in that: aluminium matter monofilament (2) cross-sectional outer diameter d=0.15mm-0. 45mm of described cable core (1); The inner chamber voidage that described insulating barrier (4) surrounds is 0.45-1.20.
4. automotive wiring harnesses aluminum conductor according to claim 1 and 2, is characterized in that: aluminium matter monofilament (2) cross-sectional outer diameter d=0.30 mm-0.42 mm of described cable core (1); Described voidage is 0.4-1.0.
5. automotive wiring harnesses aluminum conductor according to claim 1 and 2, is characterized in that: aluminium matter monofilament (2) cross-sectional outer diameter d=0.5 mm-0.8 mm of described cable core (1); Described voidage is 0.4-0.9.
6. automotive wiring harnesses aluminum conductor according to claim 1 and 2, it is characterized in that: described cable core (1) includes some mutually stranded strands, each strand forms by some aluminium matter monofilament (2) are stranded, and in strand, the direction of lay of aluminium matter monofilament (2) is identical or contrary with the multiple strand direction of strand.
7. automotive wiring harnesses aluminum conductor according to claim 6, it is characterized in that: described cable core (1) is from inner outside stranded arrangement intentionally portion's strand and outer strand successively, this outer strand has six strands of strands, each strand direction of lay is identical, and the multiple strand direction of outer strand is contrary with the direction of lay of strand.
8. automotive wiring harnesses aluminum conductor according to claim 6, it is characterized in that: described cable core (1) is from inner outside stranded arrangement intentionally portion's strand, middle level strand and outer strand successively, and middle level strand is identical with strand direction of lay with the multiple strand direction of outer strand.
CN201420744267.7U 2014-12-03 2014-12-03 Automotive wiring harnesses aluminum conductor Expired - Fee Related CN204407028U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104376901A (en) * 2014-12-03 2015-02-25 江苏诸利电气有限公司 Aluminum conductor for automotive wiring
CN110211728A (en) * 2015-09-30 2019-09-06 住友电气工业株式会社 Multicore cable
CN110337700A (en) * 2017-03-09 2019-10-15 住友电装株式会社 The manufacturing method of wire conductor, insulated electric conductor, harness, wire conductor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104376901A (en) * 2014-12-03 2015-02-25 江苏诸利电气有限公司 Aluminum conductor for automotive wiring
CN110211728A (en) * 2015-09-30 2019-09-06 住友电气工业株式会社 Multicore cable
CN110211728B (en) * 2015-09-30 2020-08-18 住友电气工业株式会社 Multi-core cable
CN110337700A (en) * 2017-03-09 2019-10-15 住友电装株式会社 The manufacturing method of wire conductor, insulated electric conductor, harness, wire conductor

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150617

Termination date: 20161203