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Title:
MOTOR DRIVE CONTROL DEVICE, DRIVE CONTROL METHOD, FAN MOTOR, AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2018046718
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To lock rotation of a multi-phase motor even in a case where such a failure that the multi-phase motor cannot be rotatably driven is generated.SOLUTION: A motor drive control device 10 according to an embodiment comprises: a detection target circuit that includes a drive circuit including an inverter circuit 16 for rotatably driving a motor 5, and a first controller 19 controlling an operation of the inverter circuit 16, and that is a detection target of such a failure that the motor 5 cannot be rotatably driven; and a brake circuit 20 that makes the inverter circuit 16 perform short-circuit braking of the motor 5 in a case where the failure is generated at the detection target circuit.SELECTED DRAWING: Figure 2

Inventors:
TAMITSUJI TOSHIYASU
HISATOMI YUYA
Application Number:
JP2016182285A
Publication Date:
March 22, 2018
Filing Date:
September 16, 2016
Export Citation:
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Assignee:
MINEBEAMITSUMI INC
International Classes:
H02P3/22; F04D29/00
Domestic Patent References:
JP2011172300A2011-09-01
JP2016086490A2016-05-19
Attorney, Agent or Firm:
Toranomon Intellectual Property Office