GB24545-2019

Requirements and test methods of speed limitation system for motor vehicles

车辆车速限制系统技术要求及试验方法

GB 24545-2019 es una norma nacional china obligatoria vigente: Requirements and test methods of speed limitation system for motor vehicles. Sector: Electrónica. Enfoque: Seguridad de productos. Entrada en vigor: 1 jul 2020.

La aplicabilidad depende del alcance del producto, la vía de certificación, los avisos de la autoridad competente y las reglas de transición. Solicite una traducción o verifique la fuente antes de usar esta ficha en una decisión de cumplimiento.

Resumen de cumplimiento

Este resumen está disponible por ahora solo en inglés.

Alcance y aplicabilidad

This standard applies to maximum speed limitation devices and adjustable speed limitation devices, as well as Category M and N vehicles equipped with these devices or featuring these functions. It is mandatory for all relevant manufacturers. It does not apply to vehicles without speed limitation systems.

Requisitos técnicos

The standard specifies environmental, electrical, mechanical, climatic, and chemical load requirements for speed limitation systems, referencing standards like GB/T 28046. It also mandates electromagnetic radiation immunity and electrical transient conduction performance. Manufacturers must ensure system failure does not affect the driver's ability to control the engine via the accelerator pedal. Specific set speed limits are defined for certain vehicle types. For instance, highway buses, tourist buses, and motor caravans have a maximum set speed, while dangerous goods transport vehicles and special school buses have a lower limit. For maximum speed limitation systems, the system must prevent unauthorized adjustment or power interruption. It is prohibited to achieve speed limitation through service braking. Visual and auditory warning signals are required when the vehicle exceeds the set speed. For adjustable speed limitation systems, the system must display the adjustable limit speed (vadj_) and provide an alarm when exceeded. The driver can set the speed within specific step increments, and the function must automatically cancel when the engine is turned off.

Métodos de ensayo

The standard outlines testing procedures for both maximum and adjustable speed limitation systems. Tests can be conducted via road tests or dynamometer tests. Key evaluations include acceleration tests to verify stabilized speed and steady speed tests to ensure the system maintains the limit under full throttle. For adjustable systems, overspeed alarm tests and specific speed limitation tests are required.

Preguntas frecuentes

What products are regulated under GB 24545-2019?

It regulates speed limitation systems and Category M and N vehicles equipped with them.

Is GB 24545-2019 mandatory?

Yes, all technical content in this standard is mandatory.

Are there specific implementation dates for different requirements?

Yes, most requirements apply from the implementation date, but the speed limitation signal mark has a delayed implementation for new and existing type approvals.

The summary above provides a high-level overview of GB 24545-2019. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 24545-2019 today to access all detailed parameters, tables, and testing procedures.

Indicaciones de aplicabilidad

Tipo: Producto
CCS: T26
ICS: 43.040.30
Organismo competente: Ministry of Industry and Information Technology
Comité técnico: Ministry of Industry and Information Technology

Relaciones

Sustituye a:GB/T 24545-2009