Systematic classification and characteristics of automotive connectors
1. Classified by Connection Technology
1.1 Plug in connector
Technical features: Adopting a plug and socket plug-in structure, supporting fast plugging and unplugging operations
Core advantages: assembly efficiency increased by 30%, maintenance operation time reduced by 50%
Typical applications: Electrical nodes that require frequent replacement, such as in vehicle ECU and sensor modules
1.2 Crimp type connector
Technical feature: Utilizing cold crimping technology to achieve physical bonding of metal conductors
Reliability index: Contact resistance ≤ 5m Ω, anti vibration level up to 10G@2000Hz
Applicable scenarios: Vibration sensitive areas such as engine compartment wiring harnesses and chassis control systems
1.3 Welded connectors
Process requirements: Must meet IPC-A-610 welding standard
Mechanical properties: Tensile strength ≥ 50N, bending resistance>1000 times
Application limitation: Repair requires specialized tools, suitable for fixed installation positions such as instrument panel assemblies
2. Classified by functional system
2.1 Power transmission system
Environmental requirements: able to withstand temperature changes of -40 ℃~150 ℃, IP6K9K protection level
Special design: gold-plated contacts, dual locking structure, fuel corrosion resistant shell
Typical components: engine wiring harness connector, OBD diagnostic interface
2.2 Vehicle Control System
Protection features: IP67 waterproof design, anti micro corrosion treatment
Connection density: 0.64mm pitch miniaturization design, multi-channel integration
Application examples: door control module connector, electric seat connector
2.3 Security Protection System
Reliability standard: Meets ISO 26262 ASIL-D functional safety requirements
Special certification: The airbag connector must pass the USCAR-2 impact test
Technical parameters: Signal transmission delay<10ns, failure rate<1ppm
2.4 Intelligent Interaction System
Transmission performance: Supports USB 3.2/HDMI 2.0 protocol, with a speed of up to 20Gbps
Electromagnetic compatibility: Complies with CISPR25 Class5 radiation standard
Innovative applications: HUD projection connector, intelligent cockpit fiber optic interface