CN205748278U - The detection device of voice coil motor - Google Patents
The detection device of voice coil motor Download PDFInfo
- Publication number
- CN205748278U CN205748278U CN201620475673.7U CN201620475673U CN205748278U CN 205748278 U CN205748278 U CN 205748278U CN 201620475673 U CN201620475673 U CN 201620475673U CN 205748278 U CN205748278 U CN 205748278U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- coil motor
- detection device
- workbench
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses the detection device of voice coil motor, including frame, workbench, laser generator, primary importance detection device, second position detection device, 3rd position detecting device and positioning device of voice coil motor, described workbench is arranged in frame, described positioning device of voice coil motor is arranged on the table, described positioning device of voice coil motor is provided with the locating slot accommodating voice coil motor, described locating slot inwall is provided with fastening assembly, described laser generator is fixed in frame and is positioned at the top of voice coil motor, launch the laser of the rotor test point of three beams alignment voice coil motor.The hardware of voice coil motor will not be caused damage by this utility model, and accuracy of detection is higher, and the detection time is short, simplifies the detection operation of voice coil motor, alleviates the labor intensity of workman, and operating aspect is practical.
Description
Technical field
This utility model relates to detecting device technique field, particularly relates to the detection device of voice coil motor.
Background technology
Micro-sound coil motor is widely used in the portable electric appts such as smart mobile phone, panel computer, along with
The development of voice coil motor, its kind gets more and more, and function is more and more abundanter, in order to enable subject
Form image clearly in the camera, it is often necessary to utilize magazine lens driving apparatus to control the position of camera lens
Put or moving lens is to complete good focusing.At present, this process is typically the completeest by control circuit
Becoming, therefore, this function is referred to as automatically focusing on, and its Main Function is can to control camera lens along camera lens optical axis
Direction is moved, thus changes the distance between camera lens and projected picture.
Can stable constantly normally work after coming into operation in order to ensure it, its property have to be through very
Good detection and checking.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and the voice coil motor proposed
Detection device.
To achieve these goals, this utility model adopts the technical scheme that
The detection device of voice coil motor, including frame, workbench, laser generator, primary importance detection dress
Put, the second position detects device, the 3rd position detecting device and positioning device of voice coil motor, described workbench
Being arranged in frame, described positioning device of voice coil motor is arranged on the table, described voice coil motor location dress
Putting and be provided with the locating slot accommodating voice coil motor, described locating slot inwall is provided with fastening assembly, described laser
Generator is fixed in frame and is positioned at the top of voice coil motor, launches the rotor inspection of three beams alignment voice coil motor
The laser of measuring point, described primary importance detection device, the second position detection device, the 3rd position detecting device
It is uniformly arranged on the oblique upper of voice coil motor by connecting rod and matches with described laser generator.
Preferably, described primary importance detection device, the second position detection device, the 3rd position detecting device
For PSD position sensor.
Preferably, described fastening assembly includes that multiple elastomer block, the plurality of elastomer block are arranged on locating slot
On inwall, and the cross section of described elastomer block is trapezoidal.
Preferably, lowering or hoisting gear, described lifting it are additionally provided with between described positioning device of voice coil motor and workbench
Device includes electric pushrod, and the outfan of described electric pushrod is fixing with the bottom of positioning device of voice coil motor even
Connect.
In this utility model, use laser generator and position detecting device to the displacement of voice coil motor and deflection
Detect, use elastomer block as fastening assembly voice coil motor be fixed and position, will not be to voice coil loudspeaker voice coil
The hardware of motor causes damage, and accuracy of detection is higher, and the detection time is short, simplifies the detection work of voice coil motor
Sequence, alleviates the labor intensity of workman, and operating aspect is practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of the detection device of the voice coil motor that the utility model proposes；
Fig. 2 is the generalized section of positioning device of voice coil motor.
In figure: 1 frame, 2 workbench, 3 laser generators, 4 primary importance detection device, 5 seconds
Put detection device, 6 the 3rd position detecting devices, 7 positioning device of voice coil motor, 8 locating slots, 9 elasticity
Block, 10 lowering or hoisting gears.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.
With reference to Fig. 1-2, the detection device of voice coil motor, including frame 1, workbench 2, laser generator
3, primary importance detection device 4, the second position detection device the 5, the 3rd position detecting device 6 and voice coil loudspeaker voice coil horse
Reaching positioner 7, workbench 2 is arranged in frame 1, and positioning device of voice coil motor 7 is arranged on workbench
On 2, positioning device of voice coil motor 7 is provided with the locating slot 8 accommodating voice coil motor, on locating slot 8 inwall
Being provided with fastening assembly, laser generator 3 is fixed in frame 1 and is positioned at the top of voice coil motor, launches three
The laser of the rotor test point of bundle alignment voice coil motor, primary importance detection device 4, second position detection dress
Put the 5, the 3rd position detecting device 6 and be uniformly arranged on oblique upper and the laser of voice coil motor by connecting rod
Generator 3 matches.
Primary importance detection device 4, second position detection device the 5, the 3rd position detecting device 6 are PSD
Position sensor, fastening assembly includes that multiple elastomer block 9, multiple elastomer block 9 are arranged on the interior of locating slot 8
On wall, and the cross section of elastomer block 9 is trapezoidal, also sets between positioning device of voice coil motor 7 and workbench 2
Having lowering or hoisting gear 10, lowering or hoisting gear 10 to include electric pushrod, the outfan of electric pushrod is fixed with voice coil motor
The bottom of position device 7 is fixing to be connected.
The rotor of voice coil motor when static, primary importance detection device 4, the second position detection device 5,
3rd position detecting device 6 can detect the laser signal after test point diffuse-reflectance, when the rotor of voice coil motor
During motion, laser signal can change, then primary importance detection device 4, second position detection device
5, the 3rd position detecting device 6 is according to the laser signal of change, the displacement of output detections point, uses laser
Displacement and the deflection of voice coil motor are detected by generator 3 and position detecting device, use elastomer block 9 to make
For fastening assembly voice coil motor it is fixed and positions, the hardware of voice coil motor will not be caused damage, inspection
Surveying precision higher, the detection time is short, simplifies the detection operation of voice coil motor, and the work alleviating workman is strong
Degree, operating aspect, practical.
The above, only this utility model preferably detailed description of the invention, but protection model of the present utility model
Enclose and be not limited thereto, the technology model that any those familiar with the art discloses at this utility model
In enclosing, conceive in addition equivalent or change according to the technical solution of the utility model and utility model thereof, all
Should contain within protection domain of the present utility model.
Claims (4)
1. the detection device of voice coil motor, it is characterised in that: include that frame, workbench, laser occur
Device, primary importance detection device, second position detection device, the 3rd position detecting device and voice coil motor are fixed
Position device, described workbench is arranged in frame, and described positioning device of voice coil motor is arranged on the table,
Described positioning device of voice coil motor is provided with the locating slot accommodating voice coil motor, and described locating slot inwall is provided with
Fastening assembly, described laser generator is fixed in frame and is positioned at the top of voice coil motor, launches three beams pair
The laser of the rotor test point of quasi-voice coil motor, described primary importance detection device, second position detection dress
Put, the 3rd position detecting device by connecting rod be uniformly arranged on voice coil motor oblique upper and with described laser
Generator matches.
The detection device of voice coil motor the most according to claim 1, it is characterised in that: described first
Position detecting device, second position detection device, the 3rd position detecting device are PSD position sensor.
The detection device of voice coil motor the most according to claim 1, it is characterised in that: described fastening
Assembly includes that multiple elastomer block, the plurality of elastomer block are arranged on the inwall of locating slot, and described elastomer block
Cross section be trapezoidal.
The detection device of voice coil motor the most according to claim 1, it is characterised in that: described voice coil loudspeaker voice coil
Being additionally provided with lowering or hoisting gear between motor positioner and workbench, described lowering or hoisting gear includes electric pushrod, institute
The bottom of the outfan and positioning device of voice coil motor of stating electric pushrod is fixed and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620475673.7U CN205748278U (en) | 2016-05-24 | 2016-05-24 | The detection device of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620475673.7U CN205748278U (en) | 2016-05-24 | 2016-05-24 | The detection device of voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748278U true CN205748278U (en) | 2016-11-30 |
Family
ID=57361873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620475673.7U Expired - Fee Related CN205748278U (en) | 2016-05-24 | 2016-05-24 | The detection device of voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI741529B (en) * | 2020-03-17 | 2021-10-01 | 致新科技股份有限公司 | Measurement apparatus for camera module |
-
2016
- 2016-05-24 CN CN201620475673.7U patent/CN205748278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI741529B (en) * | 2020-03-17 | 2021-10-01 | 致新科技股份有限公司 | Measurement apparatus for camera module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 |