CN104102087B - A kind of test device for micro-sound coil motor - Google Patents
A kind of test device for micro-sound coil motor Download PDFInfo
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- CN104102087B CN104102087B CN201410390059.6A CN201410390059A CN104102087B CN 104102087 B CN104102087 B CN 104102087B CN 201410390059 A CN201410390059 A CN 201410390059A CN 104102087 B CN104102087 B CN 104102087B
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- coil motor
- sound coil
- position detecting
- detecting device
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Abstract
The invention discloses a kind of test device for micro-sound coil motor, including a laser generator, at least 3 position detecting devices being uniformly located at micro-sound coil motor surrounding oblique upper, at least 3 bundle laser launched by described laser generator, it is directed at the rotor of micro-sound coil motor evenly and at intervals, described position detecting device receives the laser signal after rotor diffuse-reflectance, when the rotor is moving, position detecting device is according to the laser signal of change, the displacement of output micro-sound coil motor generation and deflection.Detection efficiency of the present invention is high, precision high, to micro-sound coil motor not damaged, the detection for micro-sound coil motor provides new simpler detection mode.
Description
Technical field
The present invention relates to the test device of micro-sound coil motor, particularly relate to detect the test equipment of autofocus motor and optical anti-vibration motor.
Background technology
Micro-sound coil motor is widely used in the portable electric appts such as smart mobile phone, panel computer, development along with voice coil motor, its kind gets more and more, function is more and more abundanter, can stable constantly normally work after coming into operation in order to ensure it, its property have to be passed through well detection and verify.
Motor detection equipment the most on the market is required on micro-sound coil motor install a false camera lens, and so false camera lens must fix with voice coil motor, causes on voice coil motor for installing the thread damage of true camera lens, causes motor failure.And use the mode that micro-sound coil motor is detected by false camera lens, its detection time is longer, efficiency is the lowest, the structure of detection device is complicated, if during detection, precision and the position of false camera lens are uncertain, may result in the inaccurate of detection, produce erroneous judgement so that motor can not fully meet the market demand.
Therefore, the detection equipment how providing one to can be used for accurate measurement micro-sound coil motor (autofocus motor and optical anti-vibration motor) performance parameter is the technical problem that industry is urgently to be resolved hurrily.
Summary of the invention
The present invention is to solve technical problem present in above-mentioned prior art, a kind of test device for micro-sound coil motor is proposed, including a laser generator, at least 3 position detecting devices being uniformly located at micro-sound coil motor surrounding oblique upper, at least 3 bundle laser launched by described laser generator, it is directed at the rotor of micro-sound coil motor evenly and at intervals, described position detecting device receives the laser signal after rotor diffuse-reflectance, when the rotor is moving, 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, described position detecting device is PSD position sensor.
In another embodiment, described position detecting device is photographic head.
The present invention uses laser generator and position detecting device to detect displacement and the deflection of micro-sound coil motor, need not be fixedly connected with miniature voice coil loudspeaker voice coil, the micro-sound coil motor hardware of precision will not be damaged, and compared with false camera lens, accuracy of detection is higher, the detection time is short, enormously simplify the detection operation of micro-sound coil motor.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present invention；
Fig. 2 is the top view of the micro-sound coil motor of the present invention.
Detailed description of the invention
Below in conjunction with meeting the specific embodiment describing the present invention in detail; following specific embodiment is only in order to illustrate the design of the present invention; those of ordinary skill in the art can make various deformation and change under the design of the present invention, within these deformation and change are included in protection scope of the present invention.
nullAs shown in Figure 1，Test device for micro-sound coil motor proposed by the invention mainly includes two kinds of parts: laser generator 1 and position detecting device 2，Laser generator 1 is arranged on the top of micro-sound coil motor 3，Position detecting device 2 is then located at the oblique upper of micro-sound coil motor 3 surrounding，In circulating type，Position detecting device 2 is at least provided with 3，Laser generator 1 can launch at least 3 bundle laser，It is directed at the rotor 31 of micro-sound coil motor 3 evenly and at intervals，Then the laser signal after rotor 31 diffuse-reflectance is received by position detecting device 2，Rotor 31 is when static，Position detecting device 2 can detect corresponding laser signal，When rotor 31 moves，Laser signal can change，Then position detecting device 2 is according to the laser signal of change，The displacement of output micro-sound coil motor 3 generation and deflection.
In one embodiment, position detecting device 2 can use PSD position sensor, quantity can arrange more than 3, in the present embodiment, laser generator 1 have issued 4 bundle laser, be respectively aligned to rotor 31 all directions to four points, PSD position sensor is provided with 4, it is respectively used to receive 4 laser signals, by detecting the change of 4 laser signals, the displacement of micro-sound coil motor 3 can be exported, by the change of 2 laser signals on detection diagonal, the deflection of micro-sound coil motor 3 can be exported.
In other embodiments, position detecting device 2 can also use shooting first-class, falls within protection scope of the present invention equally.
In the present embodiment, available laser generator model can select that 5mW, 650nm be general, one in Melles Griot/05-LHP-151, and the model of PSD position sensor can select the one in DRX-2DPSD-14AMD, DRX-2DPSD-JT01, DRX-1DPSD-A01.The present invention, by using laser generator 1 and corresponding position detecting device 2, can accurately draw the moving situation of micro-sound coil motor 3, and compared with prior art, structure is simpler, and testing result is more accurate.
Claims (3)
1. the test device for micro-sound coil motor, it is characterised in that including:
Laser generator, for launching at least 3 bundle laser, is directed at the rotor of micro-sound coil motor evenly and at intervals；
Position detecting device, described position detecting device is uniformly arranged at least 3 in micro-sound coil motor surrounding oblique upper, for receiving the laser signal after rotor diffuse-reflectance, when the rotor is moving, position detecting device is according to the laser signal of change, the displacement of output micro-sound coil motor generation and deflection.
2. the test device for micro-sound coil motor as claimed in claim 1, it is characterised in that described position detecting device is PSD position sensor.
3. the test device for micro-sound coil motor as claimed in claim 1, it is characterised in that described position detecting device is photographic head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390059.6A CN104102087B (en) | 2014-08-08 | 2014-08-08 | A kind of test device for micro-sound coil motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390059.6A CN104102087B (en) | 2014-08-08 | 2014-08-08 | A kind of test device for micro-sound coil motor |
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| Publication Number | Publication Date |
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| CN104102087A CN104102087A (en) | 2014-10-15 |
| CN104102087B true CN104102087B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410390059.6A Active CN104102087B (en) | 2014-08-08 | 2014-08-08 | A kind of test device for micro-sound coil motor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116316039B (en) * | 2023-05-16 | 2023-08-22 | 度亘核芯光电技术(苏州)有限公司 | Method for testing ring laser |
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| KR20130076289A (en) * | 2011-12-28 | 2013-07-08 | 삼성전기주식회사 | Integrated test apparatus for camera module |
| CN203324017U (en) * | 2013-06-26 | 2013-12-04 | 昆山丘钛微电子科技有限公司 | Performance test system for camera VCM motor |
| CN104111418A (en) * | 2013-04-19 | 2014-10-22 | 群光电子(苏州)有限公司 | VCM (voice coil motor) jitter detection machine |
| CN204028558U (en) * | 2014-08-08 | 2014-12-17 | 深圳市世尊科技有限公司 | A kind of proving installation for micro-sound coil motor |
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2014
- 2014-08-08 CN CN201410390059.6A patent/CN104102087B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090107125A (en) * | 2008-04-08 | 2009-10-13 | (주)리캠 | Tilt measuring apparatus of VCM lens and measurement method thereof and a computer-readable medium thereof |
| CN101750869A (en) * | 2008-12-05 | 2010-06-23 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor testing device |
| CN101833234A (en) * | 2009-03-13 | 2010-09-15 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor testing device and auxiliary device thereof |
| KR20130076289A (en) * | 2011-12-28 | 2013-07-08 | 삼성전기주식회사 | Integrated test apparatus for camera module |
| CN103076567A (en) * | 2012-12-28 | 2013-05-01 | 昆山丘钛微电子科技有限公司 | VCM (Voice Coil Motor) motor performance test system and test method |
| CN104111418A (en) * | 2013-04-19 | 2014-10-22 | 群光电子(苏州)有限公司 | VCM (voice coil motor) jitter detection machine |
| CN203324017U (en) * | 2013-06-26 | 2013-12-04 | 昆山丘钛微电子科技有限公司 | Performance test system for camera VCM motor |
| CN204028558U (en) * | 2014-08-08 | 2014-12-17 | 深圳市世尊科技有限公司 | A kind of proving installation for micro-sound coil motor |
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| CN104102087A (en) | 2014-10-15 |
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