Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/006031
Kind Code:
A1
Abstract:
An electricity storage device (19) is provided with: a housing (20); a battery block part (25) having a battery pack (26); a circuit block part (31) having a conductive circuit (32) and first and second relays (37), (38); and a service plug (40) that breaks the series connection between battery cells (26A) constituting the battery pack (26). The electricity storage device (19) is further provided with: intermediate bus bars (45), (46) that connect the service plug (40) and the battery pack (26); and an insulating cover (47) that covers the conductive circuit (32) such that the intermediate bus bars (45), (46) are exposed to the outside. In the state in which the service plug (40) and the battery pack (26) are connected, the intermediate bus bars (45), (46) prevent the insulating cover (47) from coming off of the housing (20).
Inventors:
WATANABE AKIRA (JP)
WATANABE TOSHIHIKO (JP)
TAKEUCHI KEN (JP)
TANIGAKI KENTA (JP)
SUGIYAMA HARUKI (JP)
WATANABE TOSHIHIKO (JP)
TAKEUCHI KEN (JP)
TANIGAKI KENTA (JP)
SUGIYAMA HARUKI (JP)
Application Number:
PCT/JP2020/024569
Publication Date:
January 14, 2021
Filing Date:
June 23, 2020
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F9/00; B60K1/04; H02G3/16
Foreign References:
| JP2014179256A | 2014-09-25 | |||
| JP2007172893A | 2007-07-05 | |||
| JP2002012097A | 2002-01-15 | |||
| JP2005130636A | 2005-05-19 |
Attorney, Agent or Firm:
HIROWA PATENT FIRM (JP)
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