Vibration exciter for electronic product and electronic product

• Main Authors: Zhu, Yueguang, Wang, Yongqiang, Mao, Dongsheng, Shi, Dezhang
• Format: Patent
• Language: English
• Published: 16.04.2024
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DEAF-AID SETS; DYNAMO-ELECTRIC MACHINES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; GENERATION; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

A vibration exciter for an electronic product comprises a first vibration assembly comprising a first casing (101) and a magnetic circuit assembly below thereof; a second vibration assembly comprising a second casing (105) and at least two groups of coils (102) above thereof and on two sides of the magnetic circuit assembly; the magnetic circuit assembly comprises a central magnet (103b) and at least two side magnets (103a, 103b) in a vibration direction, the magnetizing directions of the two side magnets are parallel to an axial direction of the coils, directions of magnetic poles are opposite; the central magnet comprises at least two groups of magnets (103b, 1032b) in a direction perpendicular to the vibration direction, the magnetizing directions of the at least two groups of magnets are parallel to the vibration direction the directions of the magnetic poles are opposite. The electronic product is also disclosed.