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Minisize motor

A micro-motor and electrode technology, applied in installation, optics, instruments, etc., can solve the problems of lens module application limitations, unfavorable miniaturization development of lens modules, complex structure, etc.

Inactive Publication Date: 2008-03-12
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cam used in the lens module has a complex structure and contains many components, which is not conducive to the miniaturization of the lens module, which limits the application of the lens module in portable electronic devices.

Method used

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Embodiment Construction

[0011] The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0012] Referring to FIG. 1 , a micromotor 10 provided by an embodiment of the present invention includes an excitation mechanism 12 and a transmission mechanism 14 .

[0013] The excitation mechanism 12 includes a cavity 11 , a conductive aqueous solution 122 , a non-conductive oily solution 123 , a first electrode 124 , a second electrode 125 and a hydrophobic insulating layer 126 .

[0014] The cavity 11 is composed of a cylindrical tube 120 and a base 121 . The cylindrical tube 120 includes an end 1200 and an open end (not shown) opposite to the end 1200 , and the end 1200 is provided with an opening 1202 . The base 121 is disposed on the open end of the cylindrical tube 120 and closes the open end of the cylindrical tube 120 . The cylindrical tube 120 can be made of glass, ceramics, etc., and its inner diameter can be equal to or smal...

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PUM

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Abstract

The utility model discloses a micro motor that consists of an excitation mechanism and a transmission mechanism. The excitation mechanism consists of a cavity, separated electricity conductive aqueous solution and non electricity conductive oily solution and an electrode are contained inside the cavity. An interface is formed between the electricity conductive aqueous solution and the non electricity conductive oily solution, the electrode is used for producing electric field and changing the form of the interface; the transmission mechanism consists of a film and a transmission unit, the film device is arranged at the place of the interface and can change forms together with the interface and consists of a hydrophilic surface that is arranged at one side of the electricity conductive solution and a water discharge surface that is arranged opposite to the hydrophilic surface at one side of the non electricity conductive oily solution. The transmission unit is connected with either the hydrophilic surface or the water discharge surface and can perform linear movement along the axial direction driven by the film. The utility model can zoom the lens module and has the advantages of simple and compact structure.

Description

technical field [0001] The invention relates to a micro-motor, in particular to a linear micro-motor applicable to the zoom adjustment of a lens module. Background technique [0002] With the development of multimedia technology, digital cameras have been widely used by people. At the same time, the rapid development of portable electronic devices in the direction of high performance and multi-function in recent years makes the combination of digital cameras and portable electronic devices a development trend of mobile multimedia technology. Currently, an electronic device with a digital camera function mainly achieves the purpose of image recording through a lens module integrated in the electronic device. [0003] Usually, the lens module converts the rotational motion of the drive motor into linear motion through the cam structure, so as to drive the optical elements of the lens module to move along the optical axis, thereby adjusting the focal length of the lens module. ...

Claims

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Application Information

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IPC IPC(8): H02N11/00G02B7/04
CPCH02N11/006
Inventor 萧博元
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD