T/CHINABICYCLE 8-2021 Active Group standards

T/CHINABICYCLE 8-2021 Sensor for electric assist bicycles

Publish Date: 2021-12-09 Implement Date: 2022-02-10 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CHINABICYCLE 8-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Motorcycles and motorized bicycles

Publish Date: 2021-12-09

Implement Date: 2022-02-10

Scope

Scope: This document specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, and storage for power assist sensors used in electric-assisted bicycles. This document applies to the development, production, and inspection of power assist sensors for electric-assisted bicycles that use batteries as auxiliary energy sources (hereinafter referred to as "sensors"). Main technical content: 1. Scope: This document specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, and storage for power assist sensors used in electric-assisted bicycles. This document applies to the development, production, and inspection of power assist sensors for electric-assisted bicycles that use batteries as auxiliary energy sources. 2. Definitions of terms related to power assist sensors: - Linearity, conformity, resolution, hysteresis, linearity, zero-point output drift, full-scale output drift, thermal zero-point offset, and thermal full-scale output offset are defined as terms in GB/T 18459-2001 "Calculation Methods for Main Static Performance Indices of Sensors". - A sensor that can identify the cyclist's pedaling force or pedaling speed, or can simultaneously identify both pedaling force and pedaling speed, is defined as a power assist sensor. - For "output speed signal pulse count", it is defined as the number of speed signal outputs per complete rotation of the crankshaft during pedaling. 3. Requirements and calculation methods for basic sensor performance: - To ensure stable assisted speed, the requirements for speed sensor output signal pulse count and uniformity are specified. According to GB/T 18459-2001 "Calculation Methods for Main Static Performance Indices of Sensors", the requirements for basic performance items such as zero-point output drift, thermal zero-point drift, full-scale output drift, and thermal full-scale output drif