Title:
BATTERY POWER SOURCE APPARATUS OF ELECTRIC CAR
Document Type and Number:
WIPO Patent Application WO/2003/047902
Kind Code:
A1
Abstract:
Batteries ECU’s (2a−2f) are provided with communication means and connected with a connection cable (6) for communication. A master battery ECU (2a) is always supplied with an operation power, and slave batteries ECU’s (2b−2f) through a relay contct (16). For the running end of a car, the master battery ECU (2a) collects required data on the slave batteries ECU (2b−2f) and stores it and then controls the relay contact (16) to be off. For the running start of the car, the relay contact (16) is switched on, and the master battery ECU (2a) transmits required data to the slave batteries (2b−2f).
Inventors:
NAKAO YOSHITADA (JP)
Application Number:
PCT/JP2002/012468
Publication Date:
June 12, 2003
Filing Date:
November 28, 2002
Export Citation:
Assignee:
PANASONIC EV ENERGY CO LTD (JP)
NAKAO YOSHITADA (JP)
NAKAO YOSHITADA (JP)
International Classes:
B60L3/00; B60L11/18; H02J7/34; B60R16/02; B60W10/26; B60W20/00; H01M10/44; H01M10/48; H02J7/00; H02J7/14; (IPC1-7): B60L3/00; H02J7/00
Foreign References:
| US6020717A | 2000-02-01 | |||
| JP2000074786A | 2000-03-14 | |||
| JPH11150873A | 1999-06-02 | |||
| JP2002354703A | 2002-12-06 |
Other References:
See also references of EP 1462299A4
Attorney, Agent or Firm:
Ishihara, Masaru (Tatsuno Nishi-tenma Bldg. 1-6, Nishi-tenma
3-chome, Kita-k, Osaka-shi Osaka, JP)
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