Title:
POWER SUPPLY DEVICE, AUTOMATIC STEERING VEHICLE, AND POWER SUPPLY METHOD
Document Type and Number:
WIPO Patent Application WO/2020/188848
Kind Code:
A1
Abstract:
This power supply device (20) is provided with: a first power supply system (21) for supplying power to a motor (9) for rotary-driving a traveling wheel (7); a transformation device (22) for transforming voltage by being supplied with a part of the power from the first power supply system (21); a second power supply system (31) for supplying electric power transformed by the transformation device (22) to a steering device (10); and a first backup power supply (35) for supplying power to the transformation device (22). The first backup power supply (35) makes it possible to supply the power to the transformation device (22) when the voltage of the power detected by a VD (21b) of the first power supply system (21) becomes smaller than a predetermined value.
Inventors:
SHIMIZU KAZUTAKA (JP)
KIMURA KEISUKE (JP)
HAYASHI EIGO (JP)
KIMURA KEISUKE (JP)
HAYASHI EIGO (JP)
Application Number:
PCT/JP2019/032026
Publication Date:
September 24, 2020
Filing Date:
August 15, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENG LTD (JP)
International Classes:
B60L1/00; B60T7/12; B61B13/00; B61C3/02; B62D5/04; B62D6/00
Foreign References:
| JP2011011653A | 2011-01-20 | |||
| JPH06191418A | 1994-07-12 | |||
| JPS4960416U | 1974-05-28 | |||
| JP2012249462A | 2012-12-13 | |||
| JP2000050408A | 2000-02-18 | |||
| JP2014147197A | 2014-08-14 | |||
| JP2011255757A | 2011-12-22 | |||
| JP2011019326A | 2011-01-27 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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