Speaker integrated system with sensor feedback and drive circuit

Abstract

The invention relates to a loudspeaker integrated system with a sensor feedback and driving circuit and belongs to the technical field of loudspeakers. The loudspeaker integrated system comprises a vibrating system, a magnetic circuit system and a sensor feedback system with a driving circuit. A front cover, a basin frame and a circuit board form a shell of a loudspeaker; an annular magnetic conduction plate is arranged on the circuit board; a sensor component and the driving circuit are arranged in the middle of the magnetic conduction plate; an annular magnet, a top sheet and a vibrating film are arranged on the magnetic conduction plate in sequence; the magnetic conduction plate, the magnet and an inner coil of the top sheet are provided with voice coils for driving the vibrating film to vibrate; and the sensor component and the driving circuit are connected with the voice coils and the circuit board through a lead to receive an external drive signal and provide a feedback signal. The loudspeaker integrated system has the beneficial effects that the structure is simple, the cost is low, and the driving efficiency and the tone quality of each loudspeaker can be improved; and when a plurality of loudspeakers form an array sound box, the defect of unstable array sound performance caused by inconsistent parameters of all loudspeakers in a traditional array loudspeaker can be overcome.

Description

technical field [0001] The invention belongs to the technical field of loudspeakers, in particular to a loudspeaker integrated system with sensor feedback and drive circuits. Background technique [0002] People use loudspeakers to reproduce sound, which is an important component in audio equipment. Loudspeakers are widely used in people's daily life and bring a lot of convenience. In the fields of electronic products such as automobiles, broadcasting, TV, speakers, mobile phones, MP4, computers, etc., the application of speakers can be seen almost everywhere. With the rapid development of ultra-thin speakers, tablet computers, flat-panel TVs, etc., it drives and promotes the development of speakers in the direction of thinner, lighter and smaller. [0003] The loudspeaker is mainly composed of a basin frame, a top plate, a diaphragm, a voice coil, a front cover, a magnetic plate, and a damping cloth. The sounding principle of the loudspeaker is the conversion of electric...

AI Technical Summary

Problems solved by technology

However, this technical solution can only detect the temperature of the voice coil of the speaker, which prevents the burnout of the speaker, but has no great advantages in improving the acoustic performance.

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