A broadband motor

Abstract

The present invention relates to a wide-band motor, which includes a casing, at least one coil, a magnetic assembly and a connecting part; the magnetic assembly is arranged in the casing, the coil is wound outside or inside the casing, and the magnetic assembly includes a first magnetic part , the second magnetic piece, the third magnetic piece and the fourth magnetic piece, the first magnetic piece and the second magnetic piece are respectively arranged on the left and right sides of the connecting piece, the connecting piece, the first magnetic piece and the second magnetic piece A vibrator assembly is formed; a third magnetic member is provided on a side of the first magnetic member away from the vibrator assembly, and a fourth magnetic member is provided on a side of the second magnetic member away from the vibrator assembly. The magnetic field of the motor vibrator assembly and the magnetic field of the motor housing provided by the present invention repel each other to achieve force balance, so that the vibrator is suspended inside the motor. The vibrator assembly is inside the motor housing, and there are repulsive forces at both ends, and the forces at both ends of the vibrator assembly are balanced. , the magnetic field polarity of this structure can be completely reversed.

Description

technical field [0001] The invention relates to the technical field of vibration motors, in particular to a broadband motor. Background technique [0002] Current vibration motors in the electronics industry, such as vibration motors in mobile phones, vibration motors in game controllers and VR controllers, generally use rotor motors or traditional linear motors, and the vibration effect of rotor motors is single. Although traditional linear motors can provide a certain vibration effect experience, the response frequency bandwidth is narrow, which makes it difficult to meet consumers' requirements for wider frequency band vibration effects. At the same time, the traditional linear motor uses a metal or plastic spring structure, which has reliability risks such as spring breakage and noise, and is difficult to manufacture and high in cost. [0003] Patent document CN207691660U discloses a linear vibration motor, the motor includes a housing, a stator assembly accommodated an...

AI Technical Summary

Problems solved by technology

[0007] The above-mentioned patent literature adopts the one-sided force balance design of the asymmetric magnetic field, emphasizing the feedback of the striking effect, and the magnetic hammer needs more space for movement

At the same time, the single-sided force balance design cannot avoid the friction between the magnetic hammer and the inner wall of the moving cavity, resulting in noise and other quality problems. At the same time, some of its designs use mechanical springs, which cannot avoid reliability risks caused by spring breakage

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