Abnormality information control device for construction machine

• US 9,725,886 B2
• Filed: 06/20/2014
• Issued: 08/08/2017
• Est. Priority Date: 06/21/2013
• Status: Active Grant

• Current Assignee: Hitachi Construction Machinery Company Limited (Hitachi, Ltd.)
• Original Assignee: Hitachi Construction Machinery Company Limited (Hitachi, Ltd.)
• Inventors: Sugiura, Manabu, Shibata, Koichi, Aizawa, Taiki
• Primary Examiner(s): Holloway, Jason
• Application Number:
  US14/770,940
• Publication Number:
  US 20160010313A1
• Time in Patent Office: 1,145 Days
• CPC Class Codes: B60R 16/0234 related to maintenance or repairing of vehicles
• CPC Class Codes: E02F 9/2025 Particular purposes of control systems not otherwise provided for E02F3/16, E02F3/26, sub-groups of E02F3/43, E02F3/651, sub-groups of E02F3/84, E02F3/907, E02F5/145 take precedence
• CPC Class Codes: E02F 9/2292 Systems with two or more pumps
• CPC Class Codes: E02F 9/2296 Systems with a variable displacement pump
• CPC Class Codes: E02F 9/24 Safety devices , e.g. for preventing overload E02F9/226 takes precedence
• CPC Class Codes: E02F 9/268 with failure correction follow-up actions
• CPC Class Codes: G07C 2205/02 using a vehicle scan tool
• CPC Class Codes: G07C 5/006 Indicating maintenance
• CPC Class Codes: G07C 5/0808 Diagnosing performance data testing of vehicles G01M17/00; testing of electrical installation on vehicles G01R31/005

Abstract

An abnormality control device for a construction machine includes: an abnormality detection means for detecting abnormality of an apparatus installed on the construction machine; an abnormality information output means for outputting abnormality information about the apparatus detected by the abnormality detection means in an ordinary mode, and negating or avoiding outputting the abnormality information about the apparatus detected by the abnormality detection means in a maintenance mode; and a mode switch means for determining a content of maintenance work and switching a work mode between an ordinary mode and a work mode according to the content of work or a situation.

Claims

1. An abnormality control device for a construction machine, comprising:

an abnormality detection unit that detects abnormality of an apparatus installed on the construction machine;

an abnormality information output unit that outputs abnormality information about the apparatus detected by the abnormality detection unit in an ordinary mode, and negates or avoids outputting the abnormality information about the apparatus detected by the abnormality detection unit in a maintenance mode;

a mode switch unit that detects a content of maintenance work and switches a work mode between an ordinary mode and a maintenance mode according to the content of work or a situation; and

a connection unit that connects a service apparatus that performs maintenance work to a vehicle body;

wherein

the mode switch unit switches the work mode between the ordinary mode and the maintenance mode according to the content of maintenance work selected at the service apparatus or the situation of maintenance work selected at the service apparatus.

2. The abnormality control device for a construction machine according to claim 1, wherein:

the mode switch unit switches the work mode to the ordinary mode if the content of maintenance work or the situation selected at the service apparatus is to be performed in a state in which an engine is started up, or switches the work mode to the maintenance mode if the content of maintenance work or the situation selected at the service apparatus is to be performed in a state in which the engine is stopped.

3. The abnormality control device for a construction machine according to claim 1, wherein:

the mode switch unit switches the work mode to the ordinary mode when the maintenance work performed in the maintenance mode is completed.

4. The abnormality control device for a construction machine according to claim 1, wherein:

the mode switch unit switches the work mode to the ordinary mode when the service apparatus is disconnected.