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This standard replaces Q/JD 1920-2008 Technical Specifications for Automotive Connector.
The following main changes have been made with respect to Q/JD 1920-2008:
——The enterprise standard name is modified.
——Chapter 3 "Terms and Definitions" is revised and perfected.
——Test methods in 5.3.16 and 5.3.17 are deleted.
——Test methods in articles such as 5.3.15, 5.3.6, 5.5.2, 5.5.3, 5.5.4, 5.5.5, 5.6.1, 5.6.2, 5.6.3, 5.6.8 and 5.6.9 are revised and perfected.
——Annex C "Waterproof Grade and Corresponding Tests for Different Areas" is added.
——Some picture, font and text descriptions are arranged and corrected locally.
This standard was proposed by Chongqing Changan Automobile Company Limited.
This standard is under jurisdiction of Automotive Engineering Research Institute of Chongqing Changan Automobile Company Limited.
Drafting organization of this standard: Parts Station, Electric Fitting Development Center, Automotive Engineering Research Institute, Chongqing Changan Automobile Company Limited
Chief drafters of this standard: An Yudan and Mao Guojun
Approver of this standard: He Jugang
This standard was issued on October 10, 2008 for the first time.
It was issued on April 24, 2012 for the second time.
Technical Specifications for Automotive Connector
1 Scope
This standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of automobile connector.
This standard is applicable to single-wire and multi-wire connector in wire harness and separate connector on automobile for maintenance.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code)
QC/T 413-2002 Basic Technical Requirements for Automotive Electric Equipment
QC/T 417.1- 2001 Wire Harness Connector for Vehicle - Part 1: Definition - Test Methods and General Performance Requirements
JIS K 6259-2004 Rubber Vulcanized or Thermoplastic - Determination of Ozone Resistance
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
terminal
a kind of metal dielectric for signal transmission and energy conduction, which may be classified into male terminal and female terminal
3.2
wire accessory
the combination of terminal and conductor after crimping connection
Figure 1
3.3
sheath
the plastic part for protecting and fixing terminal to make it insulated from the outside
3.4
connector
the combination formed by the cooperation of wire accessories and sheath for realizing the connection and disconnection of circuit
3.5
buckle
the connecting element assembled on sheath for fastening and connecting with the outside
3.6
self locking
the restraining structure for preventing terminal from leaving the sheath, which may be classified into primary self locking and secondary self locking
3.7
waterproof plug
the rubber structure of conductor accessories at the outside of conductor insulation leather by crimping connection, for preventing liquid from penetrating into rubber structure through connector hole. It is only used in waterproof connector
3.8
blind plug
the rubber structure for blocking the unused hole in connector for water proofing. It is only used in waterproof connector
3.9
seal ring
the rubber structure in sheath for preventing liquid penetrating. It is only used in waterproof connector
4 Requirements
4.1 Connectors shall meet the requirements of this standard and be manufactured according to the drawings and technical documents approved by established procedures.
4.2 The requirements and quality grading of connector shall be in accordance with those specified in Table 1. As for quality grade, there are Grades A, B and C, in which Grade A is the most important quality grade, Grade B is the sub-important one and Grade C is general one.
Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Requirements 5 Test Methods 6 Inspection Rules 7 Marking, Packaging, Transportation and Storage Annex A Dimension of Mating Part Annex B Test Items after Environment Resistance Test Annex C Waterproof Grade and Corresponding Tests for Different Areas Enterprise Standard of Chongqing Changan Automobile Company Limited Explanation on Compilation of Technical Specifications for Automotive Connector
耐低压电 流性 正常环 境：≤ 5 mΩ 耐环境 性试验期间 /之后：≤ 10 mΩ A 5.4.2 通电后温 度 上升 温度上 升值＜安全温 度（见表 11） -环境温度 A 5.4.3 绝缘电阻 ≥ 100 MΩ A 5.4.4 耐高压性 无明显 的断裂或击穿 A 5.4.5
泄漏电流 非 防 水 型 ： ≤ 3 mA 防水型： ≤ 50μ A A 5.4.6
表 1（续）
项目 要求 质量 等级 试验 方法
耐 环 境 特 性 电 气 环 境 过量电流 承载 外观符 合要求，允许 护套发生轻微 变色 试验后 ，结合基本特 性评估项目和 附录 B 进行 评估。 C 5.5.1 耐浪涌 试验后 ，结合基本特 性评估项目和 附录 B 进行 评估。 C 5.5.2
机 械 环 境 耐慢速滑 动摩 擦力 试验后 ，结合基本特 性评估项目和 附录 B 进行 评估。 C 5.6.1 重复插拔 耐久 性 试验后 ，结合基本特 性评估项目和 附录 B 进行 评估。 C 5.6.2
耐振动性 试验期间 ：瞬断时间≤ 1ms；连接器 阻抗变动率≤ 7Ω /μ s。 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.6.3
耐机械冲 击力 试验期间 ：瞬断时间≤ 1ms；连接器 阻抗变动率≤ 7Ω /μ s。 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.6.4
耐跌落冲 击力 试验后 ，连接器无破 裂及任何影响 使用的损坏。 试验后 ，结合基本特 性评估项目和 附录 B 进行 评估。 C 5.6.5
气 候 环 境 耐热性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.1 耐寒性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.2 冷热冲击 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.3 复合环境 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.4 高温操作 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.5 温度 /湿 度循环 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.6 防潮性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.7 防水性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.8 结露试验 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.9 抗冻能力 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.10 防尘性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.7.11
化 学 环 境 耐盐雾性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.8.1 耐化学试 剂 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.8.2 耐二氧化 硫性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.8.3 抗应力腐 蚀 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.8.4 耐臭氧性 试验后， 结合基本特性 评估项目和附录 B 进行评估 。 C 5.8.5 注： 1）未规 定端子的接合 力应该以插值 法确认。端子 结合力的最大 值只作为参考 值，不作为验 收标准。 2）单线 连接器的端子 离脱力范围为 15N～ 45N。 未规定端子的 离脱力应该以 插值法确认。 端子离脱力 的最大值 只作为参考值 ，不作为验收 标准。 3）未规 定的截面积电 线的抗张强度 应该以插值法 确认。
