Title:
照明器具
Document Type and Number:
Japanese Patent JP7471491
Kind Code:
B2
Abstract:
To provide a luminaire that comprises a light source unit that restrains heat from affecting an electric wire connected to a terminal block.SOLUTION: A luminaire comprises an arm to be fitted to a fitting object part, and a light source rockably fitted to the arm. The light source unit comprises: a light source part for emitting light; a heat sink in which one surface fitted with the light source part, and another surface on the side opposite to the one surface are formed, and for dissipating heat generated from the light source part; and a power supply unit arranged on the other surface of the heat sink, and for supplying power to the light source part. The power supply unit comprises: a power supply circuit; a terminal block to which an electric wire for supplying power to the power supply circuit is connected; and a case housing the power supply circuit and the terminal block, and in which a space provided adjacently to the arm, and into which the electric wire is inserted is formed.SELECTED DRAWING: Figure 2
Inventors:
Masakata Tsuji
Application Number:
JP2023077905A
Publication Date:
April 19, 2024
Filing Date:
May 10, 2023
Export Citation:
Assignee:
Mitsubishi Electric Corporation
Mitsubishi Electric Lighting Co., Ltd.
Mitsubishi Electric Lighting Co., Ltd.
International Classes:
F21S8/04; F21V15/01; F21V19/00; F21V21/30; F21V23/00; F21V29/503; F21V29/508; F21V29/77
Domestic Patent References:
| JP2018077957A | ||||
| JP7045116A |
Attorney, Agent or Firm:
Patent Attorney Corporation Kisa Patent and Trademark Office