Title:
ILLUMINATION DEVICE HAVING SILENT HIGH-VOLUME AIR DUCT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/027051
Kind Code:
A1
Abstract:
The present application discloses an illumination device having a silent high-volume air duct structure, comprising an outer shell and a lamp housing. The lamp housing is provided with a light emitting part; the lamp housing is embedded and mounted to the end surface of the outer shell; the gap between the outer circumference of the lamp housing and the inner side of the outer shell forms an air outlet passage having an outlet facing the end surface; the lamp housing is also provided with an air inlet and a suction component disposed in the air inlet; the cross section of the air outlet passage shows an accelerating air duct having a width gradually decreases from the inside to the outside and a horn-shaped opening connected to the end of the accelerating air duct and communicated with the outside. The technical solution solves the problem that the fan lamp in the prior art has a large size and generates noise.
Inventors:
ZHAO SHUN (CN)
YU HAO JUN (CN)
YU HAO JUN (CN)
Application Number:
PCT/CN2019/111546
Publication Date:
February 18, 2021
Filing Date:
October 17, 2019
Export Citation:
Assignee:
FOSHAN QAIR TECH CO LTD (CN)
International Classes:
F21S2/00; F21V29/67
Foreign References:
| CN110360475A | 2019-10-22 | |||
| CN108457878A | 2018-08-28 | |||
| CN105864075A | 2016-08-17 | |||
| CN102242737A | 2011-11-16 | |||
| US20130019619A1 | 2013-01-24 |
Attorney, Agent or Firm:
ZHONGSHAN JIEKAI PATENT&TRADEMARK FIRM (CN)
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