Mining intrinsic safety type holder provided with loudspeaker and microphone and capable of rapidly replacing dome camera cover

• Main Authors: CUI ZHIDONG, FAN BAOLIANG, JIN YONG
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PICTORIAL COMMUNICATION, e.g. TELEVISION; PUBLIC ADDRESS SYSTEMS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention discloses a mining intrinsic safety type holder provided with a loudspeaker and a microphone and capable of rapidly replacing a dome camera cover, and the holder comprises a shell, an upper cover, a support, a fixing base, the ball machine cover and a cradle head movement, the upper cover is arranged above the shell in a matched mode, the shell is fixedly connected with the support, the ball machine cover is arranged below the shell, the holder movement is arranged at the bottom of the shell in a matched mode through the fixing base, a loudspeaker, a microphone and a control panel are further arranged in the shell, and the control panel is electrically connected with the loudspeaker, the microphone and the holder movement. The device has a power amplifier circuit function, can realize a bidirectional intercommunication function between a ground video monitoring center and an underground coal mine, can quickly and conveniently replace the dome camera cover in a humid environment with heavy dust a