Title:
照明器具
Document Type and Number:
Japanese Patent JP7165871
Kind Code:
B2
Abstract:
To remove a gas without entering water into a battery case from an external side even if an inner pressure in the battery case housing a secondary battery is increased.SOLUTION: A lighting apparatus comprises: a regular-use lighting device; an emergency lighting device; a battery unit 9A; and a fixture main body. The regular-use lighting device performs a regular lighting. The emergency lighting device performs an emergency lighting. The battery unit 9A supplies a power to the emergency lighting device. The fixture main body houses the regular-use lighting device, the emergency lighting device, and the battery unit 9A. The fixture main body has a top plate and a pair of side plates. The top plate has a long rectangular flat plate shape. The pair of side plates is projected from each of two end edges along a longitudinal direction of the top plate toward a lower direction. The battery unit 9A is arranged between the regular-use lighting device and the top plate of the fixture main body. The battery unit 9A comprises: a power storage battery 9B; and a battery case 90. The battery case 90 includes a filter 971, and houses the power storage battery 9B. The filter 971 has gas permeability and waterproofness.SELECTED DRAWING: Figure 16
Inventors:
Shinichi Nagaoka
Nobuhisa Nakamura
Hirokazu Saegusa
Kazuki Kawada
Nobuhisa Nakamura
Hirokazu Saegusa
Kazuki Kawada
Application Number:
JP2021093935A
Publication Date:
November 07, 2022
Filing Date:
June 03, 2021
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H01M50/24; F21S9/02; F21V15/01; F21V23/00; H01M50/204; H01M50/213; H01M50/317
Domestic Patent References:
| JP53007981U | ||||
| JP2006147216A | ||||
| JP48075487U | ||||
| JP2016134204A | ||||
| JP2005310729A |
Foreign References:
| US20100002411 |
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office