| 摘要 |
Provided is a voltage detection device for a fuel cell, which is capable of measuring a cell voltage even in a case where fuel is not supplied to a cell. A plurality of cells are classified into five blocks of a first block to a fifth block, and each block is provided with a voltage detecting IC. Each of the voltage detecting ICs operates through the supply of power from a cell voltage in the block to which the voltage detecting IC is connected, and one voltage detector IC (21-1) among the voltage detecting ICs operates through the supply of power from a DC/DC converter 42. Therefore, even when the cell voltage is reduced for reasons such as fuel not being supplied to the cell, the detection of the cell voltage by the voltage detecting IC (21-1) may be realized. Therefore, even when the cell voltage that is detected by the voltage detecting IC (21-1) exceeds a threshold voltage, the voltage detection by the respective voltage detecting ICs is initiated. As a result, the voltage detection may be realized with high accuracy. |
