Compact Type Fuel Cell Supply System

摘要

This invention provides a kind of compact type fuel cell supply system, consisting of fuel cell, DCDC converting unit, contactor, energy storage device, controller, auxiliary system, power supply output end, operation control unit, with the contactor being a normal open type high-current contactor, the output end of the fuel cell connecting the input end of DCDC converting unit, the DCDC converting unit connecting the energy storage device through the contactor, the output end of DCDC converting unit also connecting the power supply output end and the high-power auxiliary component that the auxiliary system contains, the port of the energy storage device connecting the power supply output end and auxiliary system through the contactor, the operation control unit connecting the energy storage device, DCDC converting unit, controller respectively, the controller connecting the fuel cell, DCDC converting unit, the control end of contactor, the energy storage device and the auxiliary system respectively. This invention, through reducing parts and components, improves system reliability and decreases the volume to make a system have a sufficient space for installation and maintenance, which favors heat dissipation of electronic parts and components. This invention is applicable to forklift in particular.

主权项

1. A kind of compact type fuel cell supply system, consisting of fuel cell (1), DCDC converting unit (2), contactor (3), energy storage device (4), controller (7), auxiliary system (8), which is characterized by also consisting of power supply output end (5), operation control unit (6), in which the said contactor (3) is a normal open type high-current contactor, the said DCDC converting unit (2) includes DCDC converter (21) and high-power diode (22) connecting with it,
the output end of the said fuel cell (1) connects the input end of the said DCDC converting unit (2), DCDC converting unit (2) connects the said energy storage device (4) through the said contactor (3), the output end of the said DCDC converting unit (2) also connects the said power supply output end (5) and the high-power auxiliary component (80) that the said auxiliary system (8) contains, the port of the said energy storage device (4) connects the said power supply output end (5) and auxiliary system (8) through the said contactor (3), the said operation control unit (6) connects respectively the said energy storage device (4), DCDC converting unit (2), controller (7), the said controller (7) connects respectively the said fuel cell (1), DCDC converting unit (2), the control end of contactor (3), energy storage device (4) and auxiliary system (8), the said operation control unit (6) is used to receive operation signals and supplies power for the said controller (7) and DCDC converting unit (2), the said controller (7) is used to receive the operation instructions generated by the said operation control unit (6) according to the said operation signals and control according to the said operation instructions the said contactor (3), DCDC converting unit (2), auxiliary system (8), the said controller (7) is also used to measure the state parameters of the said fuel cell (1), measure the state parameters of the said energy storage device (4), measure the state parameters of the said auxiliary system (8) and receive the state data of the said DCDC converting unit (2).