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Title:
VIBRATION POWER GENERATOR AND LIGHTING EQUIPMENT
Document Type and Number:
Japanese Patent JP2014064380
Kind Code:
A
Abstract:

To provide a vibration power generator and lighting equipment in each of which a permanent magnet can be stably and continuously vibrated.

A vibration power generator 1 includes: a guide member 10 which is a cylindrical member; a movable element 50 which is provided so as to be movable in an axial direction on an inner side of the guide member 10, and provided with a permanent magnet 51; a coil 14 which is wound around the guide member 10; a shield member 2 which is a cylindrical member with an inner diameter larger than an outer diameter of the guide member 10, covers the guide member 10 from an outer side in a state in which a central axis of the shield member 2 becomes substantially the same as the central axis of the guide member 10, and electromagnetically shields the inside ; and a pair of fixing members 3 which covers openings on both ends of the shield member 2, and fixes the guide member 10 to the shield member 2 by holding the guide member 10 from both sides in the axial direction. The fixing members 3 fix the guide member 10 to the shield member 2 in a state where the guide member 10 is not in contact with the shield member 2.


Inventors:
KATAYAMA SHINGO
IIJIMA RYUTA
Application Number:
JP2012207677A
Publication Date:
April 10, 2014
Filing Date:
September 21, 2012
Export Citation:
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Assignee:
BROTHER IND LTD
International Classes:
H02K35/02; F21L4/00; F21Y101/02
Domestic Patent References:
JP2011250611A2011-12-08
JP2009148144A2009-07-02
JPH11119907A1999-04-30
Attorney, Agent or Firm:
Hisashi Yamamoto
Tomohiro Inayama