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ISO 7176-21
Wheelchairs — Part 21: Requirements and test methods for electromagnetic compatibility of electrically powered wheelchairs and scooters, and battery chargers
轮椅 — 第 21 部分：电动轮椅和踏板车以及电池充电器的电磁兼容性要求和测试方法
Normative references 规范性参考
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.以下参考文件对于本文件的应用是必不可少的。 对于注明日期的参考文献，仅引用的版本适用。 对于未注明日期的引用文件，引用文件的最新版本（包括任何修改）适用。
- ISO 7176-5, Wheelchairs — Part 5: Determination of dimensions, mass and manoeuvring space
- ISO 7176-9, Wheelchairs — Part 9: Climatic tests for electric wheelchairs
- ISO 7176-15, Wheelchairs — Part 15: Requirements for information disclosure, documentation and labelling
- ISO 7176-22, Wheelchairs — Part 22: Set-up procedures
- IEC 61000-3-2, Electromagnetic compatibility (EMC) — Part 3-2: Limits — Limits for harmonic current emissions (equipment input current u 16 A per phase)
- IEC 61000-3-3, Electromagnetic compatibility (EMC) — Part 3-3: Limits — Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current u 16 A per phase and not subject to conditional connection
- IEC 61000-4-2, Electromagnetic compatibility (EMC) — Part 4-2: Testing and measurement techniques — Electrostatic discharge immunity test
- IEC 61000-4-3, Electromagnetic compatibility (EMC) — Part 4-3: Testing and measurement techniques — Radiated, radio-frequency, electromagnetic field immunity test
- IEC 61000-4-4, Electromagnetic compatibility (EMC) — Part 4-4: Testing and measurement techniques — Electrical fast transient/burst immunity test
- IEC 61000-4-5, Electromagnetic compatibility (EMC) — Part 4-5: Testing and measurement techniques — Surge immunity test
- IEC 61000-4-6, Electromagnetic compatibility (EMC) — Part 4-6: Testing and measurement techniques — Immunity to conducted disturbances, induced by radio-frequency fields
- IEC 61000-4-8, Electromagnetic compatibility (EMC) — Part 4-8: Testing and measurement techniques — Power frequency magnetic field immunity test
- IEC 61000-4-11, Electromagnetic compatibility (EMC) — Part 4-11: Testing and measurement techniques — Voltage dips, short interruptions and voltage variations immunity tests
- CISPR 11, Industrial, scientific and medical (ISM) radio-frequency equipment — Electromagnetic disturbance characteristics — Limits and methods of measurement
轮椅驱动器
Radiated emissions 辐射发射 - RE
When tested in accordance with 9.2.1, the wheelchair shall meet the radiated emissions limits specified in CISPR 11 for group 1, class B equipment.
Electrostatic discharge immunity 静电放电抗扰度 - ESD
±4kV ±8kV
Radiated r.f. field immunity 辐射射频 场免疫 - RS
20 V/m, from 26 MHz to 2,5 GHz:
Power frequency magnetic field immunity 工频磁场抗扰度 - PFMF
level 4 specified in IEC 61000-4-8, at 50 Hz and 60 Hz:
Stability of speed and direction 速度和方向的稳定性
对于 A、B、C、D、E 和 F 类轮椅（带电子速度控制的轮椅），平均轮规定计算的速度变化不应超过±20%。
注意 正值表示速度增加，而负值表示速度降低，不带电子控制的不作要求。
对于 A 类和 D 类轮椅（带电子差速转向的轮椅），差速轮规定计算的速度变化不应超过 ± 25%。
Wheelchairs with an on-board battery charger 带车载电池充电器的轮椅
Mains terminal disturbances 电源端子干扰
When tested in accordance with 9.1.1, the wheelchair shall meet the mains terminal disturbance limits specified in CISPR 11 for group 1, class B equipment.
class B group 1 equipment - mains power port
Radiated emissions 辐射发射 - RE
When tested in accordance with 9.2.1, the wheelchair shall meet the radiated emissions limits specified in CISPR 11 for group 1, class B equipment.
class B group 1 equipment - Electromagnetic radiation disturbance
Harmonic current emissions 谐波电流发射
When tested in accordance with 9.3.1, the wheelchair shall meet the requirements of IEC 61000-3-2.
Voltage fluctuations and flicke
When tested in accordance with 9.4.1, the wheelchair shall meet the requirements of IEC 61000-3-3.
Electrostatic discharge immunity 静电放电抗扰度 - ESD
± 6 kV for contact discharges
± 8 kV for air discharges
Radiated r.f. field immunity 辐射射频 场免疫 - RS
20 V/m, from 26 MHz to 2,5 GHz:
3 V/m from 80 MHz to 1,0 GHz:
Fast transient/burst immunity 快速瞬态/突发抗扰度
level 2 specified in IEC 61000-4-4:
Surge immunity 浪涌免疫 雷击测试 Surge
level 3 specified in IEC 61000-4-5
Conducted disturbance immunity
level 2 specified in IEC 61000-4-6, from 150 kHz to 80 MHz:
Voltage dips and short interruptions immunity
Class 2 test level specified in IEC 61000-4-11, during each dip/interruption and for 2 s following each dip/interruption:
Power frequency magnetic field immunity
level 4 specified in IEC 61000-4-8, at 50 Hz and 60 Hz:
Stability of speed and direction 速度和方向的稳定性
对于 A、B、C、D、E 和 F 类轮椅（带电子速度控制的轮椅），平均轮规定计算的速度变化不应超过±20%。
注意 正值表示速度增加，而负值表示速度降低，不带电子控制的不作要求。
对于 A 类和 D 类轮椅（带电子差速转向的轮椅），差速轮规定计算的速度变化不应超过 ± 25%。
Off-board and carry-on battery chargers 非车载和随身电池充电器
Mains terminal disturbances
When tested in accordance with 9.1.2, the battery charger shall meet the mains terminal disturbance limits specified in CISPR 11 for group 1, class B equipment
Radiated emissions
When tested in accordance with 9.2.3, the battery charger shall meet the radiated emissions limits specified in CISPR 11 for group 1, class B equipment.
Harmonic current emissions
When tested in accordance with 9.3.2, the battery charger shall meet the requirements of IEC 61000-3-2.
Voltage fluctuations and flicker
When tested in accordance with 9.4.2, the battery charger shall meet the requirements of IEC 61000-3-3.
Electrostatic discharge immunity± 6 kV for contact discharges
± 8 kV for air discharges
Radiated r.f. field immunity
3V/m from 80 MHz to 1,0 GHz, the battery charger shall continue to operate in accordance with its specification without operator intervention
3V/m 从 80 MHz 到 1,0 GHz，电池充电器应继续按照其规格运行，不能人员干预
Fast transient/burst immunity
level 2 specified in IEC 61000-4-4, the battery charger shall continue to operate in accordance with its specification without operator intervention.
IEC 61000-4-4 中规定的 2 级，电池充电器应继续按照其规范运行，无需操作员干预。
Surge immunity
level 2 specified in IEC 61000-4-5, the battery charger shall continue to operate in accordance with its specification without operator intervention.
IEC 61000-4-5 中规定的 2 级，电池充电器应继续按照其规范运行，无需操作员干预。
Conducted disturbance immunity
level 2 specified in IEC 61000-4-6, from 150 kHz to 80 MHz, the battery charger shall continue to operate in accordance with its specification without operator intervention.
IEC 61000-4-6 中规定的 2 级，从 150 kHz 到 80 MHz，电池充电器应继续按照其规范运行，不能人员干预。
Voltage dips and short interruptions immunity
Class 2 test level specified in IEC 61000-4-11, the battery charger may exhibit a temporary loss of function or degradation of performance, but it shall cease when the disturbance ceases, and the charger shall recover its normal performance without operator intervention.
IEC 61000-4-11 中规定的 2 类测试级别，电池充电器可能会出现暂时的功能丧失或性能下降，但当干扰停止时，它会停止，并且充电器会在没有操作员干预的情况下恢复其正常性能。
ISO 7176-21-2009 标准下载
ISO 7176-21-2009.pdf
(7.87 MB, 下载次数: 27)
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