Linear vibration motor

A linear vibration and motor technology, applied in the direction of electric components, electromechanical devices, casings/covers/supports, etc., can solve the problems of affecting the vibration of electronic products, small magnetic flux passing through the coil, and slow linear vibration response speed, etc., to achieve Conducive to miniaturized applications and reduced volume

Active Publication Date: 2015-12-30
GOERTEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the micro-vibration motor of the above-mentioned structure, the space occupied by the vibrator and the stator is relatively large, which is not conducive to the miniaturization of the motor; If it is fully utilized, the magnetic flux passing through the coil will be relatively small, and the force generated will be relatively small, which will affect the vibration effect; when moving to both ends, the magnetic flux passing through the coil in the erected magnetization method is also very small. , thus affecting the vibration feeling of electronic products, the response speed of linear vibration is slow, and the vibration feeling is small

Method used

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  • Linear vibration motor
  • Linear vibration motor
  • Linear vibration motor

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Embodiment Construction

[0025] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

[0026] The "counterweight" used in the description of the following specific embodiments may also be referred to as a "mass", which refers to a high-quality, high-density metal block that is fixed to a permanent magnet that generates vibration to enhance vibration balance.

[0027] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] In order to solve the problem of inconvenient miniaturization of the motor due to the vertical placement of the permanent magnet and the coil in ...

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Abstract

The invention provides a linear vibration motor. The linear vibration comprises a vibrator and a stator which is arranged parallel to the vibrator. The vibrator comprises a balancing weight and a vibration block which is fixedly embedded in the balancing weight, wherein permanent magnets in the vibrator and electromagnets in the stator generate interactional pushing and pulling force; changing magnetic fields are generated after the electromagnets in the stator are energized, and the vibrator is driven to do reciprocating motion in the direction parallel to the plane where the stator is located by changing the trend of the lines of magnetic force of the magnetic fields. According to the linear vibration motor, by means of repelling force between the two ends, having the same polarity, of the permanent magnets, the lines of the magnetic force of the permanent magnets can intensively penetrate through a coil, and therefore larger magnetic flux and a stronger effect of vibration sense are obtained.

Description

technical field [0001] The invention relates to the technical field of consumer electronics, and more specifically, relates to a linear vibration motor applied to portable consumer electronics products. Background technique [0002] With the development of communication technology, portable electronic products, such as mobile phones, handheld game consoles or handheld multimedia entertainment devices, have entered people's lives. In these portable electronic products, micro-vibration motors are generally used for system feedback, such as mobile phone call notifications, game console vibration feedback, and so on. However, with the development trend of thinner and lighter electronic products, various internal components also need to adapt to this trend, and the micro vibration motor is no exception. [0003] Existing miniature vibrating motors generally include an upper cover, a lower cover forming a vibration space with the upper cover, a vibrator (including counterweights ...

Claims

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Application Information

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IPC IPC(8): H02K33/00
CPCH02K33/14H02K33/18H02K5/225
Inventor 祖峰磊刘春发
Owner GOERTEK INC
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