Title:
LED DISPLAY UNIT CAPABLE OF BEING OPENED TO MEET REQUIREMENTS FOR FIRE-FIGHTING SMOKE DISCHARGE AND VENTILATION
Document Type and Number:
WIPO Patent Application WO/2023/097731
Kind Code:
A1
Abstract:
The present invention relates to the technical field of LED display, in particular to a LED display unit capable of being opened to meet requirements for fire-fighting smoke discharge and ventilation. The LED display unit comprises an LED display unit body, a mounting piece, an opening and closing driving device and a pressing device. The LED display unit body is installed on the mounting piece, and the mounting piece is installed on a display screen face by means of the opening and closing driving device and tightly pressed by means of the pressing device. The opening and closing driving device and the pressing device are provided. Once a triggering command is obtained, the pressing device operates to release the pressed mounting piece, and then the LED display unit body is opened by means of the opening and closing driving device, so that the requirements for ventilation and smoke discharge of an internal skin or an exterior skin of a building are met.
Inventors:
ZHU BIN (CN)
LV CHENGYUE (CN)
QIU JIANMING (CN)
JI LILI (CN)
GUO CHENGBING (CN)
LV CHENGYUE (CN)
QIU JIANMING (CN)
JI LILI (CN)
GUO CHENGBING (CN)
Application Number:
PCT/CN2021/136702
Publication Date:
June 08, 2023
Filing Date:
December 09, 2021
Export Citation:
Assignee:
NANJING LOPU CO LTD (CN)
International Classes:
E05F1/12; E05F15/53
Domestic Patent References:
| WO2012053760A2 | 2012-04-26 |
Foreign References:
| CN112227573A | 2021-01-15 | |||
| CN211319634U | 2020-08-21 | |||
| CN208139505U | 2018-11-23 |
Other References:
WANG, SONGFENG: "Application of Electric Window Opening System in Curtain Wall", HENAN BUILDING MATERIALS, 31 December 2010 (2010-12-31), XP009546865
YE, SHAONAN: "Discussion on Electric Opening Window System of Curtain Wall", CHINA HOMES, 30 November 2013 (2013-11-30), XP009546866
YE, SHAONAN: "Discussion on Electric Opening Window System of Curtain Wall", CHINA HOMES, 30 November 2013 (2013-11-30), XP009546866
Attorney, Agent or Firm:
CHANGZHOU BAIYETENGFEI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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