Title:
CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2020137343
Kind Code:
A
Abstract:
To provide a construction machine capable of disconnecting a power supply of an electrical device excluding an urea SCR controller, and selecting the disconnection of the power supply of the electrical device including the urea SCR controller.SOLUTION: A plus side main coupling wire 27 connects electrical devices 21 and 22 and a plus terminal 26A of a battery 26. A plus side disconnection switch 28 is provided to the plus side main coupling wire 27 to connect or disconnect the electrical devices 21 and 22 and the plus terminal 26A of the battery 26. A plus side sub-coupling wire 30 connects an urea SCR controller 25 and the plus terminal 26A of the battery 26 at a position on an upstream side of the pulse side disconnection switch 28. A minus side main coupling wire 32 connects a minus terminal 26B of the battery 26 and a ground. A minus side disconnection switch 33 is provided to the minus side main coupling wire 32 to connect or disconnect the minus terminal 26B of the battery 26 and the ground.SELECTED DRAWING: Figure 2
Inventors:
TAGO TAKASHI
HIROKI TAKENORI
MURAKADO TOMOYA
ITO HIRONORI
MACHIDA DAIKI
MATSUMOTO JUNYA
HIROKI TAKENORI
MURAKADO TOMOYA
ITO HIRONORI
MACHIDA DAIKI
MATSUMOTO JUNYA
Application Number:
JP2019031342A
Publication Date:
August 31, 2020
Filing Date:
February 25, 2019
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
H02J7/00; E02F9/00
Domestic Patent References:
| JP2019107927A | 2019-07-04 | |||
| JP2016034793A | 2016-03-17 | |||
| JP2011172408A | 2011-09-01 | |||
| JP2011063234A | 2011-03-31 |
Attorney, Agent or Firm:
Hirowa Patent Office
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