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Vibration motor with with low magnetic flux leakage and quick response, and implementation method thereof

A fast-response, vibrating motor technology, applied in reciprocating/oscillating/vibrating magnetic circuit parts, magnetic circuit shape/style/structure, electrical components, etc., can solve the problem of low magnetic flux leakage, small electromagnetic driving force and motor Slow response and other issues to achieve the effect of ensuring reliability and stability, improving driving force, and fast response time

Inactive Publication Date: 2020-04-07
ZHEJIANG DONGYANG CHENGJI ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the mainstream Z-direction vibration motors on the market use a single magnetic steel and a magnetic frame to form a magnetic circuit assembly. This product has a large magnetic flux leakage, which cannot meet the requirements of low magnetic flux leakage for motors in the current 5G era.

Method used

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  • Vibration motor with with low magnetic flux leakage and quick response, and implementation method thereof
  • Vibration motor with with low magnetic flux leakage and quick response, and implementation method thereof
  • Vibration motor with with low magnetic flux leakage and quick response, and implementation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] see Figure 1-3 , the present invention provides the following technical solutions: a vibration motor with low flux leakage and fast response, including a casing 10, a lower bracket 1 is connected to the bottom of the casing 10, a stator assembly is connected to the top of the lower bracket 1, and the casing 10 There is a vibrator assembly inside, and the stator assembly includes an FPC circuit board 2, a coil 3 and an iron core 4, wherein the FPC circuit board 2 is connected above the lower bracket 1, and the middle position above the lower bracket 1 is connected to the iron core 4, A coil 3 is sheathed on the outside of the iron core 4, and the coil 3 is electrically connected to the FPC circuit board 2. The vibrator assembly includes a magnetic steel assembly and a mass block 9, wherein the magnetic steel assembly is connected inside the mass block 9, and the magnetic steel assembly The assembly is located outside the coil 3 , and the mass block 9 is connected above ...

Embodiment 2

[0039] The difference between this embodiment and Embodiment 1 lies in that further, the positions where the two sides of the spring 5 are respectively connected to the mass block 9 and the lower bracket 1 are provided with flat surfaces.

[0040] By adopting the above technical solution, the flat surface can be used as a welding surface for assembling the spring 5 , thereby facilitating the assembly of the spring 5 .

[0041] Further, the implementation method of the vibration motor with low magnetic flux leakage and fast response according to the present invention includes the following steps:

[0042] (1), the lower bracket 1 and the casing 10 form a closed cavity, which accommodates the vibrator assembly inside;

[0043] (2), the vibrator assembly is mainly composed of a magnetic steel assembly and a mass block 9, and the magnetic steel assembly provides a magnetic field for the motor drive;

[0044] (3), the FPC circuit board 2 and the coil 3 form a circuit, an electric ...

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PUM

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Abstract

The invention discloses a vibration motor with low magnetic flux leakage and quick response. The vibration motor comprises a shell, and a lower bracket is connected below the shell; a stator assemblyis connected above the lower bracket; an oscillator assembly is arranged in the machine shell, the FPC circuit board is connected to the upper portion of the lower bracket, an iron core is connected to the middle of the upper portion of the lower bracket, the iron core is sleeved with a coil, the coil is electrically connected with the FPC circuit board, the magnetic steel assembly is connected tothe interior of a mass block, and the mass block is connected to the upper portion of the lower bracket through a spring. The invention further discloses an implementation method of the vibration motor with the low magnetic flux leakage and quick response. The shell and the lower bracket are made of magnetic conductive materials, so that a magnetic field in the motor can be shielded, and the motor has the characteristic of low magnetic flux leakage; and the magnetic steel assembly is matched with the iron core to provide a magnetic field for motor driving, the utilization rate of the magneticfield is greatly improved, and then the driving force of the motor is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of vibration motors, and in particular relates to a vibration motor with low magnetic flux leakage and quick response and a method for realizing the same. Background technique [0002] Miniature vibration motors are indispensable components of electronic products such as mobile phones, tablet computers, and handheld game consoles, which provide users with tactile feedback. At present, mobile consumer electronics products on the market generally use vibration motors as system feedback components, such as incoming call prompts for mobile phones, vibration feedback for game consoles, and so on. Compared with traditional rotor motors, linear motors have great advantages in vibration characteristics, response time, service life, noise, etc., and they can provide a variety of vibration modes, providing users with rich and varied and delicate and realistic tactile feedback. At present, the mainstream Z-direction v...

Claims

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Application Information

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IPC IPC(8): H02K33/02H02K1/34
CPCH02K1/34H02K33/02
Inventor 严新江周杨栋
Owner ZHEJIANG DONGYANG CHENGJI ELECTRO MECHANICS CO LTD