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% y# A+ N( i9 L/ m汽车线束是汽车电路的网络主体,没有线束也就不存在汽车电路。近年来,新能源汽车及智能汽车的快速发展,市场对汽车线束的需求也大大增长。然而需求量增加的同时,产品质量的要求也提到了新的高度。那么怎样的线束产品符合各大主机厂的验收标准要求呢?今天将介绍标准ISO14572-2011——《道路车辆屏蔽或非屏蔽的单芯或多芯电线-基础和高性能电线的测试方法和要求解读》
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; g. ?1 H5 A3 Y标准名称:
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ISO 14572-2011: Road vehicles — Round, sheathed, 60 V and 600 V screened and unscreened single- or multi-core cables — Test methods and requirements for basic- and high-peRFormance cables8 ], _8 @( ~* B+ I' O$ Q$ q
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ISO 14572-2011:道路车辆 -60V和600V屏蔽或非屏蔽的单芯或多芯电线-基础和高性能电线的测试方法和要求。$ m0 [3 x2 \, Y5 P
% F, Q5 _7 M/ |4 s3 }主要测试项目如下:
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4 w" W) w3 |1 M6 \( ?1、视觉外观 Visual appearance
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2、电缆外径 Outside cable diameter" m {/ A' ]4 M0 P/ D! v% N
/ m0 m7 W% A. z3、护套椭圆度 Ovality of sheath
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4、护套厚度 Thickness of sheath
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5、电连续性 Electrical continuity
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6、耐电压 Withstand voltage! A; p( f: d5 D% N3 Y+ q
. ^( r1 [- P+ v. t7、屏蔽直流电阻 D.C resistance of the screen ISO 14572 Section 6.3.23 h7 C1 t0 Q y. |! ^3 j& W
9 A, @" j+ M, w+ z; k8、屏蔽效率(线注入法) Screening effectiveness (Line injection); X3 s" a( n: x- D5 @/ _
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9、屏蔽效率(三同轴法) Screening effectiveness (Tri-axial method)
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I8 l6 E3 n4 z/ M10、屏蔽效率(辐射衰减) Screening effectiveness (Absorbing clamp method)" e$ x) @& W$ a5 o( W
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11、高温压力 Pressure test at high temperature( Q- [2 f9 z7 h7 @/ p
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12、护套附着力 Adhesion of sheath% S* H: S# h3 K0 }8 p
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13、循环弯曲 Cyclic bending% j; z1 I% O/ Z% l& t
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14、低温卷绕 Winding at low temperature
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15、低温冲击 Impact at low temperature
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16、耐磨 Resistance to abrasion
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17、3000h长期热老化 Long-term heat ageing, 3 000 h
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18、240h短期热老化 Short-term heat ageing, 240 h
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19、热过载 Thermal overload
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20、护套热收缩 Shrinkage by heat of sheath
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9 o3 C f+ j0 G7 t8 z! R- ~21、耐化学试剂 Resistance to chemicals
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22、护套标志耐久性 Durability of sheath marking- P0 O# I" |/ X
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23、耐臭氧 Resistance to ozone
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, w1 f- R' _- W/ [24、温度和湿度交变 Temperature and humidity cycling
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25、抗延燃 Resistance to flame propagation
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26、人工大气老化 Artificial weathering9 y" J& Z3 ~' H5 g4 D6 |4 |
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