Title:
ELECTRIC POWER CONSUMPTION CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/093194
Kind Code:
A1
Abstract:
Disclosed is an electric power consumption control system for a factory where a plurality of machine tools (Mi, Mp1, Mp2) are installed. A machine tool (Mi) is provided with a control device (10) whereby either the rotational acceleration/deceleration (Pi) of the motor for the machine tool (Mi) and/or the rotational speed (Si) thereof is controlled on the basis of information regarding electric power consumption (Wt) in the factory so that electric power consumption (Wt) will not exceed a specified value (We). This electric power consumption control system is also provided with electric power detection instruments (11, 12, 13) and an electric power monitoring instrument (20) which measure the electric power consumption of all the machine tools (Mi, Mp1, Mp2) installed in the factory, thereby obtaining the electric power consumption (Wt) of the factory, and provide information regarding the electric power consumption (Wt) to the control device (10) of the machine tool (Mi) equipped with the control device (10).
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Inventors:
MISHINA SHUNJI (JP)
Application Number:
PCT/JP2011/050914
Publication Date:
August 04, 2011
Filing Date:
January 20, 2011
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MISHINA SHUNJI (JP)
MISHINA SHUNJI (JP)
International Classes:
B23Q15/00; G05B19/18; G05B19/416; H02J3/00; H02P29/00
Foreign References:
| JPS6463745A | 1989-03-09 | |||
| JPS61180530A | 1986-08-13 | |||
| JPS5682909A | 1981-07-07 | |||
| JP2002236508A | 2002-08-23 | |||
| JP2006277131A | 2006-10-12 | |||
| JP4585613B1 | 2010-11-24 |
Attorney, Agent or Firm:
MITSUISHI Toshiro et al. (JP)
Toshiro Mitsuishi (JP)
Toshiro Mitsuishi (JP)
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Claims: