Power amplifier device with heat dissipation function

• Main Author: LIANG NIANZHONG
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2019
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS; PUBLIC ADDRESS SYSTEMS

The utility model discloses a power amplifier device with a heat dissipation function. Power amplifier case, a power amplifier cavity is formed in one side of the power amplifier case; a cover plate is fixed at the opening end of the power amplifier cavity; a fixing plate is fixed to the bottom end of the outer wall of the side, close to the power amplifier cavity, of the cover plate, a corresponding circuit board and an electronic device are arranged at the top of the fixing plate, auxiliary cavities are formed in the two ends of the side, away from the cover plate, of the outer wall of the top of the power amplifier box, and a plurality of first cooling fins are fixed between the inner walls of the auxiliary cavities and the power amplifier cavity. According to the utility model, the inner wall of the auxiliary cavity is connected with the inner wall of the power amplifier cavity through the plurality of first radiating fins; therefore, the heat in the power amplifier cavity is dissipated by using the first