GB/T 31037.2-2014: Fuel cell power system used for industrial lift truck applications - Part 2: Technical specification

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Scope

1.1 Overview
This Part of GB/T 31037 specifies the technical requirements, test methods,
inspection rules, and technical documentation of the fuel cell power system
used for industrial lift truck applications.
Fuel cell power systems that power electric industrial lift trucks for indoor or
outdoor use include fuel cell power systems (referred to as power systems) and
energy storage modules. An energy storage module refers to an electrical
energy storage device that is used to start a power system, or to help or
supplement a fuel cell power system to power internal or external loads. It
consists of a lead-acid battery, a nickel-metal hydride battery, a lithium-ion
battery, a super capacitor, or other energy storage modules with corresponding
functions. This Part covers only the technical specification of the fuel cell power
system and does not include the requirements for energy storage modules.
The industrial lift trucks involved in this Part include. counterbalanced fork lift
truck, reach truck, straddle truck, pallet-stacking truck, platform truck, truck with
elevatable operation position, side-loading truck, rough terrain truck, lateral
stacking truck (both sides), lateral and front stacking truck, stacking high-lift
straddle carrier, pallet truck, platform and stillage truck, non-stacking low-lift
straddle carrier, and order picking truck.
This Part is applicable to proton exchange membrane (PEM) fuel cell power
systems that use gaseous hydrogen as the fuel and air as the oxidant.
The dangerous situations considered in this Part are limited to the safety
measures that shall be taken if the abnormal operation of the fuel cell power
system may cause damage to the power system itself.
1.2 System boundary
The schematic diagram for the system boundary is shown in Figure 1. Among
which, the components of the fuel cell power system are in the thick solid line
frames, and the entry-exit arrows at the frame boundary represent the inputs
and outputs for the fuel cell power system.
operating temperature range by heating or cooling or heat removal.
— Humidifying system. A device for humidifying fuel and oxidant (air) to
increase relative humidity.
— Water treatment system. It includes, but is not limited to piping, circulating
water pumps, valves, sensor devices, water storage and replenishment
tanks, etc. When water generated by the power system is used for
humidifying fuel or oxidant or other uses, the particles and metal ions that
are harmful to the power system shall be removed.
— Control system. It consists of sensor devices, circuits, actuators, control
devices, and software programs that are necessary for regulation and
monitoring, so that the power system’s operating parameters are able to be
kept within the manufacturer’s given limits without human intervention, thus
ensuring the normal operation of the power system.
— Power regulating system. It includes, but is not limited to DC / DC or DC /
AC, circuits, etc. The output power of the fuel cell stack will, by regulating
current and voltage according to the requirements for the power required
for the internal device of the power system and the external output power,
provide the power output that meets the requirements of use.
— Ventilation system. A system that achieves air exchange inside and outside
the power system through forced or natural means.
— Fuel cell power system. It consists of all or part of the components in the
schematic diagram for the boundary of the power system, and is combined
with an energy storage module to form a fuel cell dynamic system.
According to its different structures, it can be divided into two types. all-in-
one and integrated.
 All-in-one system. All the components of the power system are loaded
into one shell; the display and control interface or function buttons can
be installed in the place where the operator can conveniently operate
according to the actual situation.
 Integrated system. All the components of the power system are
dispersedly installed on an industrial lift truck in accordance with the
structural space and the center of gravity of the industrial lift truck.
However, all the components are connected together through circuits
or piping to form a complete set of fuel cell power system.

Basic Data

Standard ID	GB/T 31037.2-2014 (GB/T31037.2-2014)
Description (Translated English)	Fuel cell power system used for industrial lift truck applications - Part 2: Technical specification
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K82
Classification of International Standard	27.070
Word Count Estimation	18,113
Date of Issue	12/5/2014
Date of Implementation	7/1/2015
Quoted Standard	GB 156-2007; GB/T 2894; GB/T 6104; GB/T 17799.1-1999; GB/T 17799.2-2003; GB 17799.3-2012; GB 17799.4-2012; GB/T 17938-1999; GB/T 18384.3-2001; GB/T 20042.1-2005; GB/T 23645-2009; GB/T 28816-2012; GB/T 29838-2013
Regulation (derived from)	Announcement of Newly Approved National Standards 2014 No. 27
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Standard specifies the industrial lifting a vehicle fuel cell power generation system technical requirements, test methods, inspection rules and technical documents. This Standard is applicable to industrial lifting vehicles include: forklift trucks,