Title:
FIRE-FIGHTING EMERGENCY BROADCASTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/060606
Kind Code:
A1
Abstract:
A fire-fighting emergency broadcasting device, comprising a main box body, a battery box, an intercom, a controller module, a partition output module, an EMC module, a primary power amplifier module, a standby power amplifier module, a direct current-direct current converter module, a charger module, and a battery; the partition output module, the EMC module, the primary power amplifier module, the standby power amplifier module, the direct current-direct current converter module, and the charger module are disposed in the main box body, the battery is disposed in the battery box, and the main box body is disposed above the battery box; the EMC module is connected to the charger module, the controller module, the partition output module, the primary power amplifier module, and the standby power amplifier module, the charger module is connected to the battery, and the battery is used to supply power to the controller module, the partition output module, the primary power amplifier module, and the standby power amplifier module by means of the direct current-direct current converter module. The overall integration of the device is high, and the stability and reliability of the system can be improved. The present application can be widely applied to the technical field of broadcasting devices.
Inventors:
WANG HENG (CN)
GUO YUANLIN (CN)
SU GUOWEI (CN)
HE FUCHENG (CN)
LEI JIAHUI (CN)
GUAN JUNHAO (CN)
LIU QINGXUAN (CN)
GUO YUANLIN (CN)
SU GUOWEI (CN)
HE FUCHENG (CN)
LEI JIAHUI (CN)
GUAN JUNHAO (CN)
LIU QINGXUAN (CN)
Application Number:
PCT/CN2023/089671
Publication Date:
March 28, 2024
Filing Date:
April 21, 2023
Export Citation:
Assignee:
GUANGZHOU DSPPA AUDIO CO LTD (CN)
International Classes:
H04H20/59; G08B3/10; G08B17/00; H04H20/44
Foreign References:
| CN218336046U | 2023-01-17 | |||
| CN111092624A | 2020-05-01 | |||
| CN202841151U | 2013-03-27 | |||
| CN215498988U | 2022-01-11 | |||
| CN202856758U | 2013-04-03 | |||
| CN202395784U | 2012-08-22 | |||
| KR102346687B1 | 2022-01-03 |
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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