CN104133177B - Device for detecting kinetic characteristic of micro voice-coil motor - Google Patents
Device for detecting kinetic characteristic of micro voice-coil motor Download PDFInfo
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- CN104133177B CN104133177B CN201410410377.4A CN201410410377A CN104133177B CN 104133177 B CN104133177 B CN 104133177B CN 201410410377 A CN201410410377 A CN 201410410377A CN 104133177 B CN104133177 B CN 104133177B
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Abstract
The invention discloses a device for detecting the kinetic characteristic of a micro voice-coil motor. The device comprises a base, an optical lens, a laser generator, a first position detecting device, a second position detecting device and a third position detecting device, wherein the base is used for installing and fixing the micro voice-coil motor, the optical lens is arranged in the micro voice-coil motor, the laser generator, the first position detecting device and the second position detecting device are arranged above the micro voice-coil motor, and the third position detecting device is arranged below the micro voice-coil motor. The device can detect the kinetic characteristic of the micro voice-coil motor comprehensively, and the detection precision is high; meanwhile, the application range is wide, and the optical anti-vibration micro voice-coil motor which can not be detected in the prior art can be well detected.
Description
Technical field
The present invention relates to the test device of micro-sound coil motor, particularly relate to a kind of device measuring auto-focusing micro-sound coil motor and optical anti-vibration micro-sound coil motor.
Background technology
The camera function of digital camera and part smart mobile phone is gradually improved at present.Smart mobile phone has become equipment indispensable in people's daily life, autofocus motor or the optical anti-vibration motor of smart mobile phone coupling have been one of main flow mobile phone standard configuration parts on market, such as Fructus Mali pumilae, Samsung, the company such as LG has issued the mobile phone of band optical anti-vibration camera function the most.For above auto-focusing and optical anti-vibration motor, the most accurate performance accurately detecting these motors and judge its most qualified be the problem that must solve.The total movement characterisitic parameter of micro-sound coil motor cannot be measured by existing detection device, and is only capable of autofocus motor is carried out performance detection.
Therefore, how designing the most accurate, the applied widely device measuring micro-sound coil motor kinetic characteristic of a kind of simple in construction, detection is industry technical problem urgently to be resolved hurrily.
Summary of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of device measuring micro-sound coil motor kinetic characteristic, and this apparatus structure is simple, detection is the most accurate and applied widely.
The technical solution used in the present invention is, designs a kind of device measuring micro-sound coil motor kinetic characteristic, including: base, it is used for installing and fix micro-sound coil motor；Optical lens, is located in micro-sound coil motor, and glass that optical lens by barrel, is fixed on barrel end face and the optical lens being fixed on barrel bottom surface are constituted, and described glass can realize diffuse-reflectance, reflection and transmission；Laser generator, sends beam of laser and laser tilts directive optical lens；Primary importance detection device, tilts to be located at the upper side of micro-sound coil motor, for receiving the laser signal after glass-reflected, and the drift angle parameter during detection motor movement；Second position detection device, tilts to be located at opposite side above micro-sound coil motor, for receiving the laser signal after glass diffuse-reflectance, and the movement travel parameter on detection motor vertical direction；3rd position detecting device, is located at the lower section of described micro-sound coil motor, for receiving the laser signal after optical lens transmission, and the movement travel parameter in detection motor horizontal direction.
In one embodiment, described position detecting device is PSD position sensor, and glass can be ground glass, and described first and third position detecting device is Two-dimensional PSD position sensor, and described second position detection device is one-dimensional PSD position sensor.Described first, second and third position detecting device can also be disposed as Two-dimensional PSD position sensor.
In another embodiment, described position sensor is photographic head.
On described base, side is provided with positioner, opposite side is provided with column, described column is provided with lower cantalever and the upper cantilever of regulating height, described lower cantalever end is provided with the adjusting bracket of adjustable inclination, described upper cantilever end is provided with the fixed mount of adjustable inclination, upper cantilever end is located at by described laser generator, described primary importance detection device is fixed in described fixed mount, and described second position detection device is fixed in described adjusting bracket；Described positioner is provided with the detent accommodating described micro-sound coil motor, is provided with the fixed groove of fixing described 3rd position detecting device below described detent.
Described detent outer openings, the open side of detent is additionally provided with regulation clamp device, described regulation clamp device includes: be located at the slide rail of detent open side, being placed on slide rail can be towards the guide pad of detent motion, tail end is fixed on the push rod of guide pad lateral surface, is fixed on the fastening block of guide pad medial surface, is located at slide rail outer end and the support through described push rod front end, described push rod is provided with screw thread, and described support is provided with the screwed hole coordinated with push rod.
Compared with prior art, the present invention can carry out complete detection to the kinetic characteristic of micro-sound coil motor, and the precision of detection is high, and meanwhile, the present invention is applied widely, also can well detect the optical anti-vibration micro-sound coil motor that cannot detect in prior art.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail, wherein:
Fig. 1 is the light path principle schematic diagram of the present invention；
Fig. 2 is the structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1, the device that the present invention proposes, including: it is used for the base 6 installing and fixing micro-sound coil motor, the optical lens 1 being located in micro-sound coil motor, it is located at the laser generator 2 above micro-sound coil motor, primary importance detection device 3 and second position detection device 4, is located at the 3rd position detecting device 5 below micro-sound coil motor.Optical lens is false camera lens, detects each kinematic parameter of micro-sound coil motor for aided location detection device, and optical lens 1 is installed on the installation site of true camera lens on micro-sound coil motor.
Glass 102 that optical lens 1 by barrel 101, is fixed on barrel 101 end face and the optical lens 103 being fixed on barrel 101 bottom surface are constituted, glass 102 can realize reflection, diffuse-reflectance and transmission to the light irradiated thereon, glass 102 can use ground glass, barrel 101 uses aluminium, is used for fixing ground glass 102 and optical lens 103.Laser generator 2 sends beam of laser and laser tilts directive optical lens 1.Primary importance detection device 3 tilts to be located at the upper side of micro-sound coil motor, for receiving the laser signal after ground glass 102 reflects.Second position detection device 4 tilts to be located at opposite side above micro-sound coil motor, for receiving the laser signal after ground glass 102 diffuse-reflectance.3rd position detecting device 5 is for receiving the laser signal after optical lens 103 transmission.When micro-sound coil motor drives optical lens 1 to move up and down and left-right and front-back swings, on ground glass 102, the angles and positions of reflection, diffuse-reflectance and transmission light are different, first, second and third position detecting device is according to the laser signal of change, the displacement of output micro-sound coil motor generation and deflection.
In one embodiment, position detecting device is PSD position sensor, and first and third position detecting device is Two-dimensional PSD position sensor, and second position detection device is one-dimensional PSD position sensor.During detection, when laser spots is radiated on optical lens 1, the parameters such as a part of light can be irradiated in primary importance detection device (Two-dimensional PSD position sensor) 3 above after being reflected, the drift angle during detecting motor movement；A part of light is after diffuse-reflectance, the second position sensor (one-dimensional PSD position sensor) 4 above motor-side can be fixed on accept, for detecting the parameters such as movement travel on motor vertical direction, irreflexive light has only to the parameter in a direction, therefore uses this position to use one-dimensional PSD position sensor；Another part light can pass through ground glass 102, through the optical lens 103 of lower section, is radiated on the 3rd position detecting device (Two-dimensional PSD position sensor) 5 below motor, for detecting the parameters such as movement travel in motor horizontal direction.By above three set detecting devices, the detection of all parameters of autofocus motor and optical anti-vibration motor can be realized.Certainly, first, second and third position detecting device can also be disposed as Two-dimensional PSD position sensor by actual application.
In another embodiment, position sensor is first-class for shooting, falls within protection scope of the present invention equally.
As shown in Figure 2, side on base 6 is provided with positioner, opposite side is provided with column 7, column 7 is provided with lower cantalever 8 and the upper cantilever 10 of regulating height, lower cantalever 8 end is provided with the adjusting bracket 9 of adjustable inclination, upper cantilever 10 end is provided with the fixed mount 11 of adjustable inclination, upper cantilever 10 end is located at by laser generator 2, and primary importance detection device 3 is fixed in fixed mount 11, and second position detection device 4 is fixed in adjusting bracket 9；Positioner is provided with the detent 12 accommodating micro-sound coil motor, is provided with the fixed groove fixing the 3rd position detecting device 5 below detent 12, and micro-sound coil motor is located in detent 12, and the 3rd position detecting device 5 is located in fixed groove.
Upper and lower cantilevered trailing end is provided with the clamp port coordinated with column 7, clamp port both sides are provided with lock screw, unclamp lock screw can the height of upper and lower cantilever be adjusted, laser generator 2 and primary importance detection device 3 can adjust upper-lower height position by upper cantilever 10, primary importance detection device 3 can also adjust its obliquity by fixed mount 11, and second position detection device 4 can adjust upper-lower height position by lower cantalever 8.
Detent 12 outer openings, the open side of detent 12 is additionally provided with regulation clamp device, regulation clamp device includes: be located at the slide rail 13 of detent 12 open side, being placed on slide rail 13 can be towards the guide pad 14 of detent 12 motion, tail end is fixed on the push rod 15 of guide pad 14 lateral surface, is fixed on the fastening block 16 of guide pad 14 medial surface, is located at slide rail 13 outer end and the support 17 through push rod 15 front end, push rod 15 is provided with screw thread, and support 17 is provided with the screwed hole coordinated with push rod 15.During use, after putting into micro-sound coil motor, inside rotating push rod 15, push rod 15 promotes fastening block 16 to hold out against micro-sound coil motor side along slide rail 13, had both facilitated the detection of micro-sound coil motor to install, and can reliably fix micro-sound coil motor again.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (7)
1. the device measuring micro-sound coil motor kinetic characteristic, it is characterised in that including:
Base, is used for installing and fix micro-sound coil motor；
Optical lens, is located in micro-sound coil motor, and glass that optical lens by barrel, is fixed on barrel end face and the optical lens being fixed on barrel bottom surface are constituted, and described glass can realize diffuse-reflectance, reflection and transmission；
Laser generator, sends beam of laser and laser tilts directive optical lens；
Primary importance detection device, tilts to be located at the upper side of micro-sound coil motor, for receiving the laser signal after glass-reflected, and the drift angle parameter during detection motor movement；
Second position detection device, tilts to be located at opposite side above micro-sound coil motor, for receiving the laser signal after glass diffuse-reflectance, and the movement travel parameter on detection motor vertical direction；
3rd position detecting device, is located at the lower section of described micro-sound coil motor, for receiving the laser signal after optical lens transmission, and the movement travel parameter in detection motor horizontal direction.
2. device as claimed in claim 1, it is characterised in that described position detecting device is PSD position sensor.
3. device as claimed in claim 2, it is characterised in that described first and third position detecting device is Two-dimensional PSD position sensor, described second position detection device is one-dimensional PSD position sensor.
4. device as claimed in claim 1, it is characterised in that described position sensor is photographic head.
5. device as claimed in claim 1, it is characterised in that described glass is ground glass.
6. device as claimed in claim 1, it is characterized in that, on described base, side is provided with positioner, opposite side is provided with column, described column is provided with lower cantalever and the upper cantilever of regulating height, described lower cantalever end is provided with the adjusting bracket of adjustable inclination, and described upper cantilever end is provided with the fixed mount of adjustable inclination, and upper cantilever end is located at by described laser generator, described primary importance detection device is fixed in described fixed mount, and described second position detection device is fixed in described adjusting bracket；
Described positioner is provided with the detent accommodating described micro-sound coil motor, is provided with the fixed groove of fixing described 3rd position detecting device below described detent.
7. device as claimed in claim 6, it is characterized in that, described detent outer openings, the open side of detent is additionally provided with regulation clamp device, described regulation clamp device includes: be located at the slide rail of detent open side, being placed on slide rail can be towards the guide pad of detent motion, tail end is fixed on the push rod of guide pad lateral surface, it is fixed on the fastening block of guide pad medial surface, it is located at slide rail outer end and the support through described push rod front end, described push rod is provided with screw thread, and described support is provided with the screwed hole coordinated with push rod.
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| CN201410410377.4A CN104133177B (en) | 2014-08-19 | 2014-08-19 | Device for detecting kinetic characteristic of micro voice-coil motor |
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| CN201410410377.4A CN104133177B (en) | 2014-08-19 | 2014-08-19 | Device for detecting kinetic characteristic of micro voice-coil motor |
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| CN104133177B true CN104133177B (en) | 2017-01-11 |
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| CN104950256B (en) * | 2015-06-19 | 2017-09-29 | 杨继刚 | VCM motor mechanism for testing and test system and method for testing comprising it |
| CN110763999A (en) * | 2019-11-12 | 2020-02-07 | 昆山龙雨智能科技有限公司 | False lens for SMA motor detection and SMA motor detection device |
| CN110940916A (en) * | 2019-12-06 | 2020-03-31 | 昆山龙雨智能科技有限公司 | Automatic false camera lens device of dismouting of SMA motor test |
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| CN103093767A (en) * | 2011-11-01 | 2013-05-08 | 欧姆龙株式会社 | Focusing device and laser processing device |
| CN204028326U (en) * | 2014-08-19 | 2014-12-17 | 深圳市世尊科技有限公司 | A kind of device measuring micro-sound coil motor kinetic characteristic |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AT412028B (en) * | 2001-11-09 | 2004-08-26 | Riegl Laser Measurement Sys | DEVICE FOR RECORDING AN OBJECT SPACE |
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| JP4566728B2 (en) * | 2004-07-01 | 2010-10-20 | 株式会社デンソー | Pointer instrument |
| CN101364054A (en) * | 2008-09-05 | 2009-02-11 | 中国计量学院 | Auto focusing device for controlling exposal image-forming quality of CTP system |
| CN102095688A (en) * | 2011-03-08 | 2011-06-15 | 中国人民解放军总装备部工程兵科研一所 | Equipment for measuring laser performance of material |
| CN103093767A (en) * | 2011-11-01 | 2013-05-08 | 欧姆龙株式会社 | Focusing device and laser processing device |
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