Fuel Cell System and Vehicle Using Fuel Cell
AssigneeToyota Jidosha Kabushiki Kaisha
InventorHironori Noto
Life of this patent
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Abstract
It is possible to suppress affect an electromagnetic noise to a circuit board from outside or to the outside from the circuit board and realize stable operation of a fuel cell stack. A fuel cell system includes a fuel cell stack (4) formed by a plurality of cells overlain and a cell monitor substrate (11) for monitoring the cell voltage of the fuel cell stack (4) which are contained in a fuel cell case (14). The fuel cell stack (4) is connected to a power converter such as an inverter. The cell monitor substrate (11) is covered by a cell monitor cover (20) having a high electromagnetic wave shielding ability. The cell monitor cover (20) is formed by a conductor such as copper, iron, and aluminum.
Claims11
A vehicle comprising:
- a fuel cell system, the fuel cell system including a fuel cell stack composed of a plurality of cells stacked on top of each other;
- a circuit board for monitoring cell voltages of the fuel cell stack;
- and
- a power converter connected to the fuel cell stack, and
- a cover for covering the circuit board, the cover having electromagnetic shield property,
- wherein the cover is grounded to a conductor on the vehicle side.
A fuel cell system comprising:
- a fuel cell stack composed of a plurality of cells stacked on top of each other,
- a circuit board for monitoring cell voltages of the fuel cell stack,
- a power converter connected to the fuel cell stack,
- a stack case that houses the fuel cell stack and the circuit board and has electromagnetic shield property;
- and
- a cover that overspreads the circuit board in the stack case so as to shield electromagnetic waves emitted from the fuel cell stack to the circuit board.
A fuel cell system comprising:
- a fuel cell stack composed of a plurality of cells stacked on top of each other,
- a circuit board for monitoring cell voltages of the fuel cell stack, and
- a power converter connected to the fuel cell stack,
- wherein the circuit board is for use in monitoring cell voltages of the plurality of cells and is covered with a common cover having electromagnetic shield property.
Dependencies are inferred from the claim text.