CN103076567A - VCM (Voice Coil Motor) motor performance test system and test method - Google Patents
VCM (Voice Coil Motor) motor performance test system and test method Download PDFInfo
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- CN103076567A CN103076567A CN2012105859489A CN201210585948A CN103076567A CN 103076567 A CN103076567 A CN 103076567A CN 2012105859489 A CN2012105859489 A CN 2012105859489A CN 201210585948 A CN201210585948 A CN 201210585948A CN 103076567 A CN103076567 A CN 103076567A
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Abstract
The invention discloses a VCM (Voice Coil Motor) motor performance test system and test method. The test system comprises a VCM motor test fixture, a VCM driving module, a special test PC (Personal Computer), a laser controller, a laser position tester and a power supply module, wherein the VCM driving module can drive and control the current of a VCM motor to be tested and can be communicated with the special test PC; the special test PC has a visual interface and can be communicated with the VCM driving module; the laser position tester can detect the displacement data of the VCM motor to be tested under different driving currents and transmit the displacement data to the laser controller, and the laser controller can process the displacement data and transmit to the special test PC; and the power supply module can provide a power supply for the laser controller and the VCM motor to be tested. The test system can simply, conveniently and accurately test and evaluate the starting current and the linear fall-back characteristic of the VCM motor and further evaluate whether the VCM motor conforms to the requirement.
Description
Technical field
The present invention relates to a kind of test macro and method of testing, specifically relate to a kind of VCM motor performance test macro and method of testing.
Background technology
The VCM motor is the abbreviation of the first English alphabet of Vioce Coil Motor, be commonly called as voice coil motor or voice coil motor, the VCM motor is little because taking board area, reliability is high, can support the characteristics such as high-power, and be widely used in the magnetic arm driving of mobile phone zoom and hard disk, the VCM motor is the important component part in the camera module, it has not only determined automatic focusing (AF) ability of camera module, it simultaneously also is the critical component of judging a camera module performance excellence, but, in the process of camera module volume production, the bad phenomenon of a large amount of VCM starts often appears, cause the camera module normally automatically to focus, and parsing power, near burnt, the burnt test all effected that waits far away, its main cause is that VCM motor individual character is bad, therefore, need in advance the performance of VCM motor to be tested, flow in the product volume production process to get rid of the single product of bad VCM, guarantee the product quality of camera module, but, also be not specifically designed to proving installation and effective method of testing that the VCM motor performance is tested at present, simple, convenient, accurately the performance of VCM detected.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention proposes a kind of VCM motor performance test macro and method of testing, can be simply, starting current and the linear characteristic that falls after rise to the VCM motor convenient, that prepare carry out test evaluation, and then estimate this VCM motor and whether meet the requirements.
Technical scheme of the present invention is achieved in that
A kind of VCM motor performance test macro, comprise VCM motor detecting anchor clamps, the VCM driver module, test special-purpose PC, laser controller, laser position tester and power module, described power module is connected with VCM motor to be measured with described laser controller respectively, described laser controller is connected with described laser position tester, described laser position controller is connected with VCM motor to be measured by described VCM motor detecting anchor clamps, described VCM driver module is connected with the special-purpose PC of test with VCM motor to be measured respectively, described VCM driver module can drive and control the electric current of VCM motor to be measured, and can communicate by letter with the special-purpose PC of described test, the special-purpose PC of described test has visualization interface, and can communicate by letter with described VCM driver module, described laser position tester can detect the displacement data under the VCM motor different driving electric current to be measured, and this displacement data is transferred to described laser controller, described laser controller can be processed this displacement data, and being transferred to the special-purpose PC of described test, described power module can provide power supply for described laser controller and VCM motor to be measured.
As a further improvement on the present invention, described VCM driver module is connected by the usb communication interface with the special-purpose PC of described test.
As a further improvement on the present invention, described laser controller is connected by serial communication interface with the special-purpose PC of described test.
A kind of method of testing of VCM motor performance test macro comprises the steps:
A, the drive current by VCM driver module quantified controlling VCM motor to be measured, and give test special-purpose PC the drive current data transmission;
B, detect the displacement data of VCM motor to be measured under the different driving electric current by the laser position tester, and after processing by laser controller this displacement data is transferred to the special-purpose PC of test;
C, by testing special-purpose PC the displacement data of VCM motor to be measured under the different driving electric current is carried out analytical calculation again, obtain starting current and the linear regression characteristic of VCM motor to be measured.
The invention has the beneficial effects as follows: the invention provides a kind of VCM motor performance test macro and method of testing, drive and control the electric current of VCM motor to be measured by the VCM driver module, and give test special-purpose PC the drive current data transmission, then, detect the displacement of VCM motor under the different driving electric current by the laser position tester, and after processing by laser controller this displacement data is transferred to the special-purpose PC of test, by testing special-purpose PC the displacement data of VCM motor to be measured under the different driving electric current is carried out analytical calculation again, can access starting current and the linear regression characteristic of VCM motor to be measured, whether thereby realizing estimating this VCM motor meets the requirements, especially, the VCM driver module is connected by the usb communication interface with the special-purpose PC of test, and laser controller is connected by serial communication interface with the special-purpose PC of test.
Description of drawings
Fig. 1 is structural principle synoptic diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of VCM motor performance test macro, comprise VCM motor detecting anchor clamps, the VCM driver module, test special-purpose PC, laser controller, laser position tester and power module, described power module is connected with VCM motor to be measured with described laser controller respectively, described laser controller is connected with described laser position tester, described laser position controller is connected with VCM motor to be measured by described VCM motor detecting anchor clamps, described VCM driver module is connected with the special-purpose PC of test with VCM motor to be measured respectively, described VCM driver module can drive and control the electric current of VCM motor to be measured, and can communicate by letter with the special-purpose PC of described test, the special-purpose PC of described test has visualization interface, and can communicate by letter with described VCM driver module, described laser position tester can detect the displacement data under the VCM motor different driving electric current to be measured, and this displacement data is transferred to described laser controller, described laser controller can be processed this displacement data, and be transferred to the special-purpose PC of described test, described power module can provide power supply for described laser controller and VCM motor to be measured, like this, at first, drive and control the electric current of VCM motor to be measured by the VCM driver module, and give test special-purpose PC the drive current data transmission, then, detect the displacement of VCM motor under the different driving electric current by the laser position tester, and after processing by laser controller this displacement data is transferred to the special-purpose PC of test, by testing special-purpose PC the displacement data of VCM motor to be measured under the different driving electric current is carried out analytical calculation again, can access starting current and the linear regression characteristic of VCM motor to be measured, whether meet the requirements thereby realize estimating this VCM motor.
Preferably, described VCM driver module is connected by the usb communication interface with the special-purpose PC of described test.
Preferably, described laser controller is connected by serial communication interface with the special-purpose PC of described test.
A kind of method of testing of VCM motor performance test macro comprises the steps:
A, the drive current by VCM driver module quantified controlling VCM motor to be measured, and give test special-purpose PC the drive current data transmission;
B, detect the displacement data of VCM motor to be measured under the different driving electric current by the laser position tester, and after processing by laser controller this displacement data is transferred to the special-purpose PC of test;
C, by testing special-purpose PC the displacement data of VCM motor to be measured under the different driving electric current is carried out analytical calculation again, obtain starting current and the linear regression characteristic of VCM motor to be measured.
Above embodiment is with reference to accompanying drawing; to a preferred embodiment of the present invention will be described in detail; those skilled in the art is by carrying out modification or the change on the various forms to above-described embodiment, but do not deviate from the situation of essence of the present invention, all drops within protection scope of the present invention.
Claims (4)
1. VCM motor performance test macro, it is characterized in that: comprise VCM motor detecting anchor clamps, the VCM driver module, test special-purpose PC, laser controller, laser position tester and power module, described power module is connected with VCM motor to be measured with described laser controller respectively, described laser controller is connected with described laser position tester, described laser position controller is connected with VCM motor to be measured by described VCM motor detecting anchor clamps, described VCM driver module is connected with the special-purpose PC of test with VCM motor to be measured respectively, described VCM driver module can drive and control the electric current of VCM motor to be measured, and can communicate by letter with the special-purpose PC of described test, the special-purpose PC of described test has visualization interface, and can communicate by letter with described VCM driver module, described laser position tester can detect the displacement data under the VCM motor different driving electric current to be measured, and this displacement data is transferred to described laser controller, described laser controller can be processed this displacement data, and being transferred to the special-purpose PC of described test, described power module can provide power supply for described laser controller and VCM motor to be measured.
2. VCM motor performance test macro according to claim 1, it is characterized in that: described VCM driver module is connected by the usb communication interface with the special-purpose PC of described test.
3. VCM motor performance test macro according to claim 1, it is characterized in that: described laser controller is connected by serial communication interface with the special-purpose PC of described test.
4. the method for testing such as each described VCM motor performance test macro of claim 1-3 is characterized in that: comprise the steps:
A, the drive current by VCM driver module quantified controlling VCM motor to be measured, and give test special-purpose PC the drive current data transmission;
B, detect the displacement data of VCM motor to be measured under the different driving electric current by the laser position tester, and after processing by laser controller this displacement data is transferred to the special-purpose PC of test;
C, by testing special-purpose PC the displacement data of VCM motor to be measured under the different driving electric current is carried out analytical calculation again, obtain starting current and the linear regression characteristic of VCM motor to be measured.
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| CN2012105859489A CN103076567A (en) | 2012-12-28 | 2012-12-28 | VCM (Voice Coil Motor) motor performance test system and test method |
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| CN2012105859489A CN103076567A (en) | 2012-12-28 | 2012-12-28 | VCM (Voice Coil Motor) motor performance test system and test method |
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Cited By (9)
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| CN103837828A (en) * | 2014-03-27 | 2014-06-04 | 广东欧珀移动通信有限公司 | Travel curve test method and system of camera-shooting mode motor and mobile terminal |
| CN104102087A (en) * | 2014-08-08 | 2014-10-15 | 深圳市世尊科技有限公司 | Testing device for micro voice coil motor |
| CN105699898A (en) * | 2016-04-14 | 2016-06-22 | 昆山丘钛微电子科技有限公司 | Device and method for testing stand-off height of Voil Coil Motor (VCM) |
| CN106597193A (en) * | 2016-11-11 | 2017-04-26 | 歌尔股份有限公司 | Camera module group detection method, device and instrument |
| CN108405363A (en) * | 2018-02-06 | 2018-08-17 | 江西森阳科技股份有限公司 | voice coil motor detection device and detection method |
| CN109495737A (en) * | 2018-12-07 | 2019-03-19 | 重庆市天实精工科技有限公司 | A kind of voice coil motor life-span test system |
| CN111948533A (en) * | 2019-05-17 | 2020-11-17 | 友华科技(香港)有限公司 | Closed-loop motor detection method |
| CN112731143A (en) * | 2020-12-18 | 2021-04-30 | 昆山丘钛光电科技有限公司 | Motor test circuit |
| CN113376520A (en) * | 2021-06-07 | 2021-09-10 | 重庆市天实精工科技有限公司 | VCM linear testing method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837828A (en) * | 2014-03-27 | 2014-06-04 | 广东欧珀移动通信有限公司 | Travel curve test method and system of camera-shooting mode motor and mobile terminal |
| CN104102087A (en) * | 2014-08-08 | 2014-10-15 | 深圳市世尊科技有限公司 | Testing device for micro voice coil motor |
| CN104102087B (en) * | 2014-08-08 | 2016-09-28 | 深圳市世尊科技有限公司 | A kind of test device for micro-sound coil motor |
| CN105699898A (en) * | 2016-04-14 | 2016-06-22 | 昆山丘钛微电子科技有限公司 | Device and method for testing stand-off height of Voil Coil Motor (VCM) |
| CN106597193A (en) * | 2016-11-11 | 2017-04-26 | 歌尔股份有限公司 | Camera module group detection method, device and instrument |
| CN108405363B (en) * | 2018-02-06 | 2023-09-05 | 江西森阳科技股份有限公司 | Voice coil motor detection equipment and detection method |
| CN108405363A (en) * | 2018-02-06 | 2018-08-17 | 江西森阳科技股份有限公司 | voice coil motor detection device and detection method |
| CN109495737A (en) * | 2018-12-07 | 2019-03-19 | 重庆市天实精工科技有限公司 | A kind of voice coil motor life-span test system |
| CN109495737B (en) * | 2018-12-07 | 2020-09-08 | 重庆市天实精工科技有限公司 | Voice coil motor life test system |
| CN111948533A (en) * | 2019-05-17 | 2020-11-17 | 友华科技(香港)有限公司 | Closed-loop motor detection method |
| CN112731143A (en) * | 2020-12-18 | 2021-04-30 | 昆山丘钛光电科技有限公司 | Motor test circuit |
| CN112731143B (en) * | 2020-12-18 | 2023-07-18 | 昆山丘钛光电科技有限公司 | Motor test circuit |
| CN113376520A (en) * | 2021-06-07 | 2021-09-10 | 重庆市天实精工科技有限公司 | VCM linear testing method |
| CN113376520B (en) * | 2021-06-07 | 2022-12-27 | 重庆市天实精工科技有限公司 | VCM linear testing method |
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