Forklift Fuel Cell Supply System
First Claim
1. An improved forklift fuel cell supply system consists of enclosure 90 and the fuel cell system 100, DCDC converting unit 2, contactor 3, energy storage device 4, controller 7 provided in the said enclosure 90, which also consists of the power supply output end 5 provided outside the said enclosure 90 and the operation control unit 6, electric isolation board 901, hydrogen storage system, filling valve 95 provided in the said enclosure 90, in which the said contactor 3 is a normal open type high-current contactor, the said DCDC converting unit 2 includes the DCDC converter 21 and high-power diode 22 connecting with it,The said fuel cell system 100 connects the said DCDC converting unit 2, contactor 3, power supply output end 5, the said controller 7 connects the said fuel cell system 100, operation control unit 6, contactor 3, the said energy storage device 4 connects the said controller 7, operation control unit 6 and contactor 3,The said electric isolation board 901 divides the space of the said enclosure 90 into electronic system space and gas supply space, the said fuel cell system 100, DCDC converting unit 2, contactor 3, energy storage device 4, controller 7, operation control unit 6, filling valve 95 are located in the said electronic system space, the said hydrogen storage system is located in the said gas supply space, the said gas supply space is located at the lower part of the said electronic system space.
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Accused Products
Abstract
This invention provides an improved forklift fuel cell supply system consists of enclosure 90 and the fuel cell system 100, DCDC converting unit 2, contactor 3, energy storage device 4, controller 7 provided in the said enclosure 90, which also consists of the power supply output end 5 provided outside the said enclosure 90 and the operation control unit 6, electric isolation board 901, hydrogen storage system, filling valve 95 provided in the said enclosure 90, in which the said contactor 3 is a normal open type high-current contactor, the said DCDC converting unit 2 includes the DCDC converter 21 and high-power diode 22 connecting with it. This invention is compact in structure and facilitates such work as system installation, overhaul and maintenance, etc. This invention can contain an energy storage device with a higher capacity, making the energy storage device be in a charging and discharging condition with a low multiplying factor and extending the service life of the energy storage device and the time for which the system can be left unused.
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Citations
20 Claims
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1. An improved forklift fuel cell supply system consists of enclosure 90 and the fuel cell system 100, DCDC converting unit 2, contactor 3, energy storage device 4, controller 7 provided in the said enclosure 90, which also consists of the power supply output end 5 provided outside the said enclosure 90 and the operation control unit 6, electric isolation board 901, hydrogen storage system, filling valve 95 provided in the said enclosure 90, in which the said contactor 3 is a normal open type high-current contactor, the said DCDC converting unit 2 includes the DCDC converter 21 and high-power diode 22 connecting with it,
The said fuel cell system 100 connects the said DCDC converting unit 2, contactor 3, power supply output end 5, the said controller 7 connects the said fuel cell system 100, operation control unit 6, contactor 3, the said energy storage device 4 connects the said controller 7, operation control unit 6 and contactor 3, The said electric isolation board 901 divides the space of the said enclosure 90 into electronic system space and gas supply space, the said fuel cell system 100, DCDC converting unit 2, contactor 3, energy storage device 4, controller 7, operation control unit 6, filling valve 95 are located in the said electronic system space, the said hydrogen storage system is located in the said gas supply space, the said gas supply space is located at the lower part of the said electronic system space.
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11. A forklift fuel cell supply system comprising:
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a fuel cell system, an energy storage device, and an open type high-current contactor; a DCDC converting unit further comprising a DCDC converter and a high-power diode; said fuel cell system, said energy storage device, and said contactor disposed in an enclosure, said enclosure further comprising a power supply output end disposed outside said enclosure; a controller, operation control unit, electric isolation board, hydrogen storage system, and filling valve disposed within said enclosure; said controller in communication with said fuel cell system, an operation control unit, and said contactor; said energy storage device in communication with said controller, said operation control unit and said contactor; said fuel cell system in communication with said DCDC converting unit, said contactor, and said power supply output end; said electric isolation board divides the space of the said enclosure into an electronic system space and a gas supply space, said gas supply space being disposed at the lower part of said electronic system space; said fuel cell system, said DCDC converting unit, said contactor, said energy storage device, said controller, said operation control unit, and said filling valve are disposed in the said electronic system space; and said hydrogen storage system is located in the said gas supply space. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification