Sound amplifying device for port report

• Main Authors: YANG NANWU, WANG TAO, YANG YIJIAN, CHEN LANG
• Format: Patent
• Language: Chinese; English
• Published: 17.11.2023
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The utility model discloses a sound amplifying device for port reporting, relates to the technical field of port sound amplification, and aims to solve the problems that most of existing port loudspeakers are exposed outside, water is easily accumulated inside the existing port loudspeakers in rainy days, the inside of the existing port loudspeakers is easily overlooked and damaged after a long time, and the service life of the existing port loudspeakers is short. A sound amplification cavity is formed in the sound amplification horn main body, and a driving main body is arranged at one end of the sound amplification horn main body; the lower water jacket is arranged between the loudspeaker main body and the driving main body, a lower water hole is formed in the center of the lower water jacket, and the lower water hole penetrates through the lower water jacket; and the penetrating groove is formed in the lower water jacket, internal threads are arranged on the inner wall of the penetrating groove, the intern