Title:
ELECTRICAL LEAK DETECTION CIRCUIT, BATTERY CIRCUIT BOARD, AND BATTERY POWER SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/034153
Kind Code:
A1
Abstract:
This electrical leak detection circuit (3) detects electrical leaks between a chassis ground (G) and a battery (B) insulated from the chassis ground (G). The electrical leak detection circuit (3) is provided with; a scanning signal supply unit (31) that supplies a scanning signal (TS) to an anode (B(-)); a signal pathway that leads the scanning signal (TS) supplied from the scanning signal supply unit (31) to the anode (B(-)); a voltage detection unit (32) that, as a detected voltage (Vd), detects the voltage of a connection point (P1) on the signal pathway; an electrical leak determination processing unit (343) that determines the presence of the occurrence of an electrical leak on the basis of the detected voltage (Vd); and a switch (33) that switches the presence/absence of conduction between a cathode (B(+)) and the chassis ground (G).
Inventors:
HINO SHINTARO
ASAKURA JUN
ASAKURA JUN
Application Number:
PCT/JP2013/005216
Publication Date:
March 06, 2014
Filing Date:
September 03, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
G01R31/02; H01M2/10; H01M10/42; H01M10/48; H02J7/00
Foreign References:
| JPH10221395A | 1998-08-21 | |||
| JP4917192B1 | 2012-04-18 |
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
Etsuji Kotani (JP)
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