Fuel battery electric motorcycle power system without DC-DC transformer

A technology of electric motorcycles and fuel cell stacks, which is applied in vehicle components, rider driving, transportation and packaging, etc., can solve the problems of high cost and large DC-DC converter, and achieve high utilization rate and assembly Good manufacturability and simplified control logic

Active Publication Date: 2019-08-16
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the DC-DC converter itself is large in size and expensive. If the DC-DC converter can be removed from the power system, it will be beneficial to the layout of the system in the vehicle and reduce the cost of the vehicle.

Method used

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  • Fuel battery electric motorcycle power system without DC-DC transformer
  • Fuel battery electric motorcycle power system without DC-DC transformer
  • Fuel battery electric motorcycle power system without DC-DC transformer

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Embodiment

[0033] The structure and power system topology of the present invention are as figure 2 with image 3As shown, the system has two power sources, namely fuel cell stack and lithium battery. The output terminal of the fuel cell stack 2 is connected with the relay, anti-reverse diode (integrated in the electronic component box 7 with the sensor) and the power resistor 6 in turn, and then connected in parallel with the lithium battery 4. When the system works, the fuel cell stack 2 and the lithium battery 6 jointly supply power to the motor. The hydrogen supply system of the system is arranged in the space under the pedals of the motorcycle. The hydrogen storage scheme of the high-pressure hydrogen storage tank is adopted. The hydrogen in the tank is decompressed by the two-stage pressure reducing valve to supply gas to the anode of the electric stack. Since the electric stack is air-cooled The type cathode is open, so the supply of oxygen is realized by the fan on the side of ...

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PUM

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Abstract

The invention relates to a fuel battery electric motorcycle power system without a DC-DC transformer. The fuel battery electric motorcycle power system comprises a power assembly frame, a high-pressure hydrogen tank, a fuel battery, a storage battery, a power resistor and an antireflection diode, wherein the fuel battery and the storage battery are arranged on the power assembly frame and serve aspower sources; and the high-pressure hydrogen tank is connected with an input end anode of the fuel battery through a hydrogen inlet pipeline, an output end cathode of the fuel battery is sequentially connected with a cathode of a motor through the power resistor and the antireflection diode, an output end anode of the fuel battery is connected with an anode of the motor, a lithium battery pack is adopted as the storage battery, and output end cathode and anode of the lithium battery pack are connected with the cathode and anode of the motor correspondingly. Compared with the prior art, the fuel battery electric motorcycle power system has the advantages that the control logic is simplified, the cost is lowered, layout is reasonable, and the utilization rate is high.

Description

technical field [0001] The invention relates to the field of fuel cell hybrid power systems, in particular to a fuel cell electric motorcycle power system without a DC-DC transformer. Background technique [0002] In recent years, with the frequent occurrence of extreme and abnormal climates all over the world, people pay more and more attention to environmental protection and energy saving and emission reduction. Scientists and technicians are gradually focusing more on the exploration of new energy technologies for vehicles. , of which fuel cells are the most promising form of energy. The proton exchange membrane fuel cell is a device that generates electricity through the electrochemical reaction of hydrogen and oxygen inside the stack. The product of the reaction process is only water, because it has the advantages of low operating temperature, high power density, fast response, and rapid start-up. , is considered to be one of the most suitable vehicle power sources to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M6/45B62M6/50B62M6/80B62M6/90
CPCB62M6/45B62M6/50B62M6/80B62M6/90
Inventor 张智明唐嘉楠史亮周驰章桐
Owner TONGJI UNIV
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