Fast-response horizontal vibration micro motor

摘要

A fast-response horizontal vibration micro motor that includes a housing, a cover plate, a vibration assembly and coils. The cover plate is installed on the housing; the vibration assembly is suspended in the installation space; the coils are located at positions a certain distance above the vibration assembly; the vibration assembly can perform reciprocating vibration in a direction substantially parallel to the bottom surface of the housing, and also enables the two elastic supporting members located on the two opposite sidewalls to be correspondingly stretched and compressed during vibration; the vibration assembly includes a vibration block, and the vibration block is provided with at least three installation through holes and permanent magnets installed in the installation through holes. The arrangement of the three permanent magnets increases the response speed of the motor, and the arrangement of the two serially-connected coils also increases the response speed of the motor.

主权项

1. A fast-response horizontal vibration micro motor, comprising
a housing; a cover plate, wherein said housing is provided on the cover plate and forms an installation space with the cover plate; elastic supporting members provided on two opposite walls of said housing; a vibration assembly suspended in said installation space through positioning of said elastic supporting members; and a coil located at a certain distance from a surface of said vibration assembly, wherein: said vibration assembly is operable to perform reciprocating vibration in a direction substantially parallel to a bottom surface of said housing under the action of magnetic field force, and the two elastic supporting members provided on two opposite walls are operable to be extruded and be compressed during the vibration; said vibration assembly comprises a vibration block, provided with at least three installation through holes, and permanent magnets installed in the installation through holes; said elastic supporting member comprises
a first connecting part, fixed on one end of said vibration block, said end is on a side parallel to said reciprocating vibration direction;a second connecting part, fixed on one side of said housing, which is parallel to said reciprocating vibration direction; anda central connecting part which forms a slot by connecting said first connecting part and said second connecting part; said slot extends substantially parallel to said reciprocating vibration direction, and said slot is adapted for holding and installing an end of said vibration block extending along said reciprocating vibration direction; and a rubber block is provided on an opposite plane of a connection plane between said first connecting part and said vibration block and/or an opposite plane of a connection plane between said second connecting part and housing.