Patent ID: 9097770
Filing Date: 2015-08-04
Classification: G01R

Abstract:
1. A battery voltage detection device configured to detect voltages of battery cells of an assembled battery comprising a plurality of battery modules connected in series by a connection member, wherein each of the battery modules comprises a plurality of battery cells connected in series, the battery voltage detection device comprising: a monitoring section comprising a voltage detector that detect the voltages of the battery cells, wherein the monitoring section monitors the voltages of the battery cells based on a detection result of the voltage detector; and a plurality of voltage input terminals connected to the monitoring section; wherein each of the battery modules includes a plurality of voltage detection terminals connected to a positive electrode and a negative electrode of each of the modules as well as connecting points of the battery cells; wherein a number of the voltage input terminals in the battery voltage detection device is different from the number of the voltage detection terminals in one or a plurality of the battery modules; and wherein the battery voltage detection device is arranged in plurals and the voltage detection terminals are connected to the voltage input terminals without leaving remains.