GB 24155-2020 PDF English
US$185.00 · In stock · Download in 9 secondsGB 24155-2020: Safety specifications for electric motorcycles and electric mopeds Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB 24155: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 24155-2020 | English | 185 |
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Safety specifications for electric motorcycles and electric mopeds
| Valid |
| GB 24155-2009 | English | 319 |
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Electric motorcycles and electric mopeds -- Safety specifications
| Obsolete |
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GB 24155-2020: Safety specifications for electric motorcycles and electric mopeds---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB24155-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.140
T 80
Replacing GB 24155-2009
Safety specifications for electric motorcycles and
electric mopeds
Issued on. MAY 29, 2020
Implemented on. OCTOBER 01, 2021
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Requirements... 6
5 Test method... 12
6 Manual... 16
1 Scope
This Standard specifies the general requirements, electrical safety
requirements, operational safety requirements, requirements for markings and
warnings, and test methods for the safety of pure electric motorcycles and pure
electric mopeds.
This Standard applies to pure electric motorcycles and pure electric mopeds
(except for special instructions, hereinafter referred to as "electric motorcycles").
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB/T 4208-2017, Degrees of protection provided by enclosure (IP code)
GB/T 5359.1, Term for motorcycles and mopeds - Part 1.Types of vehicles
GB 7258, Technical specifications for safety of power-driven vehicles
operating on roads
GB 15365, Symbols for controls - Indicators and tell tales for motorcycles
and mopeds
GB/T 18384.1-2015, Electrically propelled road vehicles - Safety
specifications - Part 1.on-board rechargeable energy storage system
(REESS)
3 Terms and definitions
Terms and definitions determined by GB/T 5359.1, GB/T 18384.3-2015 and
GB/T 19596, and the following ones are applicable to this document.
3.2 On-board charger
A device that is fixedly installed on the electric motorcycle and converts the
electric energy of the public grid into direct current to charge the on-board
energy storage device.
4 Requirements
4.1 General requirements
4.1.1 The heat that is generated by electrical components shall be avoided to
cause burning or personal burns.
4.1.2 The design of the electronic speed regulation unit shall avoid the risk of
fire or electric shock which is caused by abnormal operation or non-operation.
4.2 Electrical safety requirements
4.2.1 Power battery
4.2.2 Electric shock protection of live parts
4.2.2.1 Unless otherwise specified, the live parts whose nominal voltage is not
higher than 36 V (d.c.) and 12 V (a.c.) (rms) are not required by this Standard.
4.2.2.2 The live parts whose nominal voltage is higher than 36 V (d.c.) and 12
V (a.c.) (rms) shall be covered with insulation, that is, basic insulation or
isolation and sealing to prevent direct contact.
4.2.2.5 It shall not contain exposed wires, terminals and connection units. The
wiring on the vehicle shall be protected and not touch burrs, heat sinks, so as
not to damage the wiring insulation; the surface of the metal hole through the
insulated wire shall be smooth, round and equipped with a sleeve.
4.2.2.6 The connecting wires between the electrical components shall not be
subjected to excessive tension; the connection between the steering handle
and the frame shall not damage the insulation of the wires due to normal
rotation, and shall effectively prevent the wires from contacting moving parts.
4.2.2.10 After various waterproof tests that are carried out in accordance with
5.4, immediately measure the insulation resistance of the circuit according to
5.2 (the electric motorcycle is still wet); the insulation resistance value shall be
greater than 500 Ω/V; after standing for 24 h, the second test shall be greater
than 1 000 Ω/V.
4.2.3 Electric shock protection of exposed conductive parts
4.2.3.1 The exposed conductive parts of grade-A voltage are not required by
this Standard.
4.2.5 Overcurrent protection device
If the design function of the electric motorcycle cannot control the current that
flows from the battery to the device when the auxiliary device (such as the
charger, the power converter) is damaged, an overcurrent protection device
shall be installed at either end of the circuit.
4.3 Operational safety requirements
4.3.1 Start
4.3.2 Driving and stopping
4.3.2.1 The electric motorcycle shall remind the driver that the electric
motorcycle can start driving through the "operation preparation" symbol in GB
15365.
4.4 Requirements for markings and warnings
4.4.1 The protective cover of the power battery and the easily accessible grade-
B voltage components shall be marked with the markings that are specified in
Figure 2 in an easy-to-see position; the markings shall be clear and firm.
Note. the background color is yellow; the frame and the symbol are black.
4.4.2 The chemical type, nominal voltage and rated capacity shall be clearly
marked on the power battery for identification.
4.4.3 The split-type power battery charger shall be marked with the warning
word of "Beware of rain!”
5 Test method
5.1 General requirements for the test
5.1.1 Unless otherwise specified, the tests shall be carried out on the same
vehicle as far as possible in the factory state; the sample vehicle shall be able
to withstand all relevant tests.
5.1.2 For the test of any movable part, it shall be placed in the most unfavorable
position that may occur in normal use.
5.1.3 The accuracy of all test instruments shall meet the requirements of Table
1.
5.2 Measurement of insulation resistance
5.2.1 The electric motorcycle shall be placed in the following environment for 8
h before insulation resistance measurement.
5.2.2 The insulation resistance measurement method of the power battery is
carried out according to 5.1.3 of GB/T 18384.1-2015.
5.2.3 When measuring the insulation resistance of the power system circuit, the
power battery shall be disconnected. Apply the test voltage that is shown in
Table 2 between the power system bus and the metal frame for a period of time
until a stable reading is obtained; If a stable reading cannot be obtained within
60 s, select the minimum reading within 60 s.
>330 1 000
5.3 Withstand voltage test
5.3.1 Apply an AC voltage of 50 Hz ~ 60 Hz, 2(U0 + 1 200) V between the input
terminal of the on-board charger and the electric chassis for 1 min; record the
leakage current value of the test; U0 is the maximum effective voltage value of
the input terminal of the on-board charger.
5.4 Waterproof test
5.4.1 Vehicle wash test
Use the hose nozzle of IPX5 in GB/T 4208-2017, as shown in Figure 3.Use
clean water; spray water along the joints of the body at a flow rate of 12.5 L/min;
the distance between the nozzle and the joint of the body is 2.5 m ~ 3 m; try to
ensure that it moves at a speed of nearly 0.1 m/s; flush one cycle.
5.4.2 Rain test
Use the nozzle of IPX3 in GB/T 4208-2017, as shown in Figure 4.Use clean
water to spray from distance in the figure at a flow rate of 10 L/min; move the
nozzle as regularly as possible; spray the electric motorcycle for 5 minutes.
5.5 Potential equalization test
Use a current of more than 0.2 A to pass through any two exposed conductive
parts for at least 5 s; measure the voltage drop. The resistance value that is
calculated from the current and voltage drop shall not exceed 0.1 Ω.
5.6 Remaining battery warning test
5.6.1 The test conditions shall meet the requirements for test conditions in GB/T
24157.
5.6.2 The test is carried out according to the following steps.
6 Manual
Each vehicle shall be accompanied by a user manual. The manual shall specify
special requirements for the use and maintenance of electric motorcycles,
including at least.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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