CN108169996A - A kind of test method of stereo camera shooting module motor characteristics, apparatus and system - Google Patents
A kind of test method of stereo camera shooting module motor characteristics, apparatus and system Download PDFInfo
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- CN108169996A CN108169996A CN201711446317.8A CN201711446317A CN108169996A CN 108169996 A CN108169996 A CN 108169996A CN 201711446317 A CN201711446317 A CN 201711446317A CN 108169996 A CN108169996 A CN 108169996A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B43/00—Testing correct operation of photographic apparatus or parts thereof
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
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Abstract
The embodiment of the invention discloses a kind of test method of stereo camera shooting module motor characteristics, apparatus and systems.Wherein, system includes stereo camera shooting module, distance measuring sensor group, test fixture and microprocessor.Stereo camera shooting module includes a plurality of lenses, and each camera lens uniquely corresponds to a motor；Distance measuring sensor number is identical with camera lens number, and is corresponded, and distance measuring sensor and corresponding camera lens are located at same optical axis with camera lens；Distance measuring sensor be used for acquire corresponding camera lens motor driving under mobile data information and be sent to microprocessor；Test fixture works for starting stereo camera shooting module；Microprocessor drives each motor movement using pre-set current value, obtains the mobile data information that each distance measuring sensor is sent, and according to the driving current of each motor and the mobile data information of corresponding camera lens, draw the kinetic characteristic curve of each motor.The technical solution that the application provides realizes motor performance when test each motor of stereo camera shooting module is focused simultaneously.
Description
Technical field
The present embodiments relate to motor characteristics technical field of measurement and test, more particularly to a kind of stereo camera shooting module motor spy
The test method of property, apparatus and system.
Background technology
As user is higher and higher to the quality requirement for being imaged picture, camera shooting, photographic equipment technology is forced to continue to develop, with
Obtain high quality, high-definition picture.
The optics quality of camera lens and the size of sensor determine the quality of camera imaging, and with picture pick-up device (such as
Mobile terminal) light, thin requirement, the optics quality of size sensor and camera lens is restricted.And the pixel of single camera exists
Toward facing bottleneck during eminence development, it is impossible to obtain high quality picture by pixel is improved, for example, for mobile phone camera and
Speech, 20,000,000 pixels have reached capacity.In addition, user, which does not need to mobile phone, realizes so high pixel, need instead faster
Focusing speed changes aperture soft focus, night bat noise reduction, improves picture element, improves the functions such as dynamic range, 3D modeling, optical zoom.And
By single camera, can not fully achieve even if assist some algorithms.Therefore, multi-cam comes into being.
In multi-cam field, often an imaging sensor, i.e. camera and image sensing is configured in a camera
Device is one-to-one configuration, and the integrated level of imaging sensor is not high, since the cost of imaging sensor is higher, the camera shooting of this structure
Head mould group is not only of high cost, function is single, and it is larger to also result in entire camera module volume, be unfavorable for miniaturization with it is highly integrated
Change, stereo camera shooting module is born.Stereo camera shooting module includes multiple cameras, an imaging sensor, and each camera pair
Answer a unique drive motor.
Motor is a kind of movement for converting electrical energy into the device of mechanical energy, and realizing linear type and limited pivot angle.Motor
Characteristic curve can reflect the heeling condition of entire camera module assembled state, the operating status of motor, camera lens and sensor
Deng to detect the important parameter of camera module defective products, accurate motor characteristics curve can easily and accurately analyze camera module
Focusing failure the problems such as, advantageously ensure that the quality of entire camera module.
The motor characteristics of stereo camera shooting module are tested, test test in the prior art is only capable of pair of test single motor
Burnt function, test speed is slow, and can not test motor performance when more money motors are focused simultaneously simultaneously.
It is those skilled in the art's urgent problem to be solved in consideration of it, how to test the motor characteristics of stereo camera shooting module.
Invention content
The purpose of the embodiment of the present invention is to provide a kind of test method of stereo camera shooting module motor characteristics, realizes test
Motor performance when each motor of stereo camera shooting module is focused simultaneously.
In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：
On the one hand the embodiment of the present invention provides a kind of test system of stereo camera shooting module motor characteristics, including：
Stereo camera shooting module, distance measuring sensor group, test fixture and microprocessor；
The stereo camera shooting module includes a plurality of lenses, and each camera lens uniquely corresponds to a motor；
Distance measuring sensor number in the distance measuring sensor group is identical with the camera lens number in the stereo camera shooting module,
Distance measuring sensor is corresponded with camera lens, and distance measuring sensor and corresponding camera lens are located at same optical axis；Distance measuring sensor is used
In acquiring mobile data information under motor driving of corresponding camera lens and be sent to the microprocessor；
The test fixture is connected respectively with the stereo camera shooting module and the microprocessor, for starting the solid
Camera module works；
The microprocessor is connected respectively with the stereo camera shooting module and the distance measuring sensor group, default for utilizing
Current value drives each motor movement, obtains the mobile data information that each distance measuring sensor is sent, and according to the driving electricity of each motor
The mobile data information of stream and corresponding camera lens draws the kinetic characteristic curve of each motor.
Optionally, the distance measuring sensor is laser sensor.
Optionally, it further includes：
Test fixture, the test fixture are described for fixing the stereo camera shooting module and the distance measuring sensor group
Stereo camera shooting module is arranged on the test fixture center.
Optionally, the stereo camera shooting module includes an imaging sensor.
Optionally, it further includes：
Display, for showing the kinetic characteristic curve of each motor to user.
Optionally, it further includes：
Alarm, for when detecting motor operation exception, carrying out alarm.
On the other hand the embodiment of the present invention provides a kind of test method of stereo camera shooting module motor characteristics, including：
The instruction for starting the work of stereo camera shooting module is sent to test fixture；
Each motor movement of the stereo camera shooting module is driven according to preset driving current value；
It obtains distance measuring sensor and acquires mobile data information of the corresponding camera lens under motor driving；
According to the driving current of each motor and the mobile data information of corresponding camera lens, the kinetic characteristic for drawing each motor is bent
Line；
Wherein, distance measuring sensor number is identical with the camera lens number in the stereo camera shooting module, distance measuring sensor and mirror
Head corresponds, and distance measuring sensor and corresponding camera lens are located at same optical axis.
Optionally, it further includes：
The kinetic characteristic curve of each motor is shown to user.
Optionally, it further includes：
When detecting motor operation exception, alarm is carried out.
The embodiment of the present invention finally provides a kind of test device of stereo camera shooting module motor characteristics, including：
Starting module, for sending the instruction for starting the work of stereo camera shooting module to test fixture；
Drive module, for driving each motor movement of the stereo camera shooting module according to preset driving current value；
Information module is obtained, mobile data letter of the corresponding camera lens under motor driving is acquired for obtaining distance measuring sensor
Breath；
Test curve module is drawn, for the driving current according to each motor and the mobile data information of corresponding camera lens, is painted
Make the kinetic characteristic curve of each motor；
Wherein, distance measuring sensor number is identical with the camera lens number in the stereo camera shooting module, distance measuring sensor and mirror
Head corresponds, and distance measuring sensor and corresponding camera lens are located at same optical axis.
An embodiment of the present invention provides a kind of test system of stereo camera shooting module motor characteristics, including stereo camera shooting mould
Group, distance measuring sensor group, test fixture and microprocessor.Stereo camera shooting module includes a plurality of lenses, and each camera lens uniquely corresponds to
One motor；Distance measuring sensor number in distance measuring sensor group is identical with the camera lens number in stereo camera shooting module, and ranging passes
Sensor is corresponded with camera lens, and distance measuring sensor and corresponding camera lens are located at same optical axis；Distance measuring sensor is used to acquire
Mobile data information of the corresponding camera lens under motor driving is simultaneously sent to microprocessor；Test fixture respectively with stereo camera shooting module
It is connected with microprocessor, for starting the work of stereo camera shooting module；Microprocessor senses respectively with stereo camera shooting module and ranging
Device group is connected, and for driving each motor movement using pre-set current value, obtains each distance measuring sensor and sends mobile data information, and
According to the driving current of each motor and the mobile data information of corresponding camera lens, the kinetic characteristic curve of each motor is drawn.
The advantages of technical solution that the application provides, is, by driving each motor movement of stereo camera shooting module simultaneously simultaneously
Displacement distance of each camera lens under motor driving is acquired using distance measuring sensor, realizes test each motor of stereo camera shooting module
Motor performance when focusing simultaneously, also solves vertical the problem of not only solving single motor function test defect in the prior art
The interactional problem of performance between motor, greatly shortens test motor performance when each camera lens is focused simultaneously in body camera module
Time, improve motor performance test efficiency.
In addition, the embodiment of the present invention provides corresponding device also directed to the test system of stereo camera shooting module motor characteristics
And application method, further such that the system has more feasibility, described device and method have the advantages that corresponding.
Description of the drawings
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is only this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of specific embodiment party of the test system of stereo camera shooting module motor characteristics provided in an embodiment of the present invention
The structure diagram of formula；
Fig. 2 is motor movement characteristic curve schematic diagram provided in an embodiment of the present invention；
Fig. 3 is another specific implementation of the test system of stereo camera shooting module motor characteristics provided in an embodiment of the present invention
The structure diagram of mode；
Fig. 4 is the structure diagram of illustrative example provided in an embodiment of the present invention；
Fig. 5 is the flow signal of the test method of another stereo camera shooting module motor characteristics provided in an embodiment of the present invention
Figure；
Fig. 6 is a kind of specific embodiment party of the test device of stereo camera shooting module motor characteristics provided in an embodiment of the present invention
The structure diagram of formula.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment be only part of the embodiment of the present invention rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
Term " first ", " second ", " third " " in the description and claims of this application and above-mentioned attached drawing
Four " etc. be for distinguishing different objects rather than for describing specific sequence.In addition term " comprising " and " having " and
Their any deformations, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method,
The step of system, product or equipment are not limited to list or unit, but the step of may include not listing or unit.
After the technical solution of the embodiment of the present invention is described, the various nonrestrictive realities of detailed description below the application
Apply mode.
Referring to Fig. 1, Fig. 1 is the test system of stereo camera shooting module motor characteristics provided in an embodiment of the present invention in a kind of tool
Structure chart under body embodiment, the system may include：
Stereo camera shooting module 1, distance measuring sensor group 2, test fixture 3 and microprocessor 4.
Stereo camera shooting module 1 includes a plurality of lenses, and each camera lens uniquely corresponds to a motor, and camera lens is under the driving of motor
It is moved.In a kind of specific embodiment, stereo camera shooting module 1 is more camera lenses and single sensitive chip, certainly, photosensitive core
Piece also can not be 1, and still, the number of sensitive chip is less than the number of camera lens.
Distance measuring sensor number in distance measuring sensor group 2 is identical with the camera lens number in stereo camera shooting module, and ranging passes
Sensor is corresponded with camera lens, and distance measuring sensor and corresponding camera lens are located at same optical axis.
Distance measuring sensor be used for acquire corresponding camera lens motor driving under mobile data information and be sent to microprocessor
4。
In view of the accuracy of ranging, laser sensor can be used as distance measuring sensor, certainly, other surveys can also be used
Away from sensor, the application does not do this any restriction.
Laser sensor includes transmitting terminal and receiving terminal, transmitting terminal shoot laser to camera lens surface, and receiving terminal is received in mirror
The light beam of head surface reflection, identifies the position of camera lens or camera lens height, detects camera lens in short transverse in the process
On movement, by obtain camera lens height variable quantity realize ranging.
Each laser sensor is corresponding with camera lens, in the front for being arranged on corresponding camera motion direction.
Test fixture 3 is connected respectively with stereo camera shooting module 1 and microprocessor 4, for starting the work of stereo camera shooting module.
Instruction is sent by the corresponding software in microprocessor 4, the camera and motor started in stereo camera shooting module 1 starts to transport
It is dynamic.
Microprocessor 4 is connected respectively with stereo camera shooting module 1 and distance measuring sensor group 2.Distance measuring sensor and microprocessor 4
It can be connected with interface, be connected with USB interface or serial ports, then not influence the realization of the application.
Microprocessor 4 drives each motor movement using pre-set current value, and corresponding camera lens is driven during motor movement
Mobile, each distance measuring sensor acquires the mobile data of corresponding camera lens in distance measuring sensor group 2, and microprocessor 4 receives each ranging and passes
The mobile data information that sensor is sent then according to the driving current of each motor and the mobile data information of corresponding camera lens, is drawn
The kinetic characteristic curve of each motor, such as Fig. 2 show the motor movement characteristic curve of the stereo camera shooting module of three camera lenses,
In Fig. 2, abscissa is the driving current value (mA) of each motor, and ordinate is the amount of exercise (um) of motor/camera lens.
Microprocessor 4 can drive each motor in stereo camera shooting module 1 to move simultaneously simultaneously, can also drive wherein several
A to be moved, this does not influence the realization of the application.
The kinetic characteristic curve of motor can reflect the operating status of motor, the focus function of camera lens and entire stereo camera shooting
The imaging effect of module.For example, if motor operation is normal, in the range of linearity of kinetic characteristic curve, driving IC increases phase
Same electric current output, camera lens will increase identical displacement distance, and approximation is using MTF extreme higher positions as the monosymmetric curve of axis.
If VCM operation exceptions, there are quadratic slopes for kinetic characteristic curve, and in the range of linearity, it is defeated that driving IC increases identical electric current
Go out, lens location is not it is possible that different variable quantity, curve have symmetry.
In technical solution provided in an embodiment of the present invention, by driving each motor movement of stereo camera shooting module simultaneously simultaneously
Displacement distance of each camera lens under motor driving is acquired using distance measuring sensor, realizes test each motor of stereo camera shooting module
Motor performance when focusing simultaneously, also solves vertical the problem of not only solving single motor function test defect in the prior art
The interactional problem of performance between motor, greatly shortens test motor performance when each camera lens is focused simultaneously in body camera module
Time, improve motor performance test efficiency.
Based on above-described embodiment, present invention also provides another embodiment, referring to Fig. 3, including stereo camera shooting
Except module 1, distance measuring sensor group 2, test fixture 3 and microprocessor 4, the test system of stereo camera shooting module motor characteristics is also
It may include test fixture 5, display 6 and alarm 7, in the different embodiment party of the test system of stereo camera shooting module motor characteristics
In formula, test fixture 5, display 6 and alarm 7 can carry out arbitrary combination, and the application does not do this any restriction.
Test fixture 5, test fixture are used to fix stereo camera shooting module 1 and distance measuring sensor group 2, stereo camera shooting module 1
It is arranged on test fixture center.
Display 6, for showing the kinetic characteristic curve of each motor to user.
By showing the kinetic characteristic curve of each motor to user, so that user has found motor operation exception in time, favorably
In the efficiency for promoting electric motors performance test.
Alarm 7, for when the temperature of voice coil motor is more than predetermined threshold value, carrying out alarm.
Preferably, alarm 5 can be buzzer siren, and certainly or other kinds of, the application does not make this any
It limits.
Find motor operation exception in time convenient for user, avoiding user, saving user and investigate has due to mistakes and omissions of slipping up
The time of problem motor is conducive to be promoted the working efficiency of user, ensures the image quality of entire camera module.
The principle and thought for understanding technical scheme, this Shen are more clearly understood for the ease of those skilled in the art
A specific embodiment please be additionally provide, is please referred to shown in Fig. 4, the test system of stereo camera shooting module motor characteristics specifically may be used
Including：
Stereo camera shooting module 41, laser sensor 42, test fixture, test fixture and the Wei Chu of three-lens list sensitive chip
Manage device.Stereo camera shooting module 41 is fixed on test fixture center by test fixture, and each laser sensor 42 is fixed on solid takes the photograph
On the position that the same optical axis of camera lens is corresponded to as module 41.Test fixture respectively with stereo camera shooting module 41 and microprocessor phase
Even, start stereo camera shooting module 41 to work；Microprocessor is connected respectively with stereo camera shooting module 41 and laser sensor group, utilizes
Pre-set current value drives each motor movement, obtains the mobile data information that each laser sensor is sent, and according to the drive of each motor
The mobile data information of streaming current and corresponding camera lens draws the kinetic characteristic curve of each motor.
From the foregoing, it will be observed that the embodiment of the present application realizes motor when test each motor of stereo camera shooting module is focused simultaneously
Can, improve the efficiency that motor performance is tested.
The embodiment of the present invention provides corresponding test method also directed to the test system of stereo camera shooting module motor characteristics,
Further such that the system has more practicability.It is introduced below to provided in an embodiment of the present invention, it is described below vertical
The test system of the test method of body camera module motor characteristics and above-described stereo camera shooting module motor characteristics can be mutual
To should refer to.
Referring first to Fig. 5, Fig. 5 is a kind of test method of stereo camera shooting module motor characteristics provided in an embodiment of the present invention
Flow diagram, the embodiment of the present invention may include the following contents：
S501：The instruction for starting the work of stereo camera shooting module is sent to test fixture.
S502：Each motor movement of the stereo camera shooting module is driven according to preset driving current value.
S503：It obtains distance measuring sensor and acquires mobile data information of the corresponding camera lens under motor driving.
S504：According to the driving current of each motor and the mobile data information of corresponding camera lens, the movement for drawing each motor is special
Linearity curve.
Distance measuring sensor number is identical with the camera lens number in the stereo camera shooting module, and distance measuring sensor and camera lens are one by one
It is corresponding, and distance measuring sensor and corresponding camera lens are located at same optical axis.
It, can also be to user after the kinetic characteristic curve that each motor is calculated in a kind of specific embodiment
Show the kinetic characteristic curve of each motor.
Optionally, in a kind of specific embodiment, when detecting motor operation exception, alarm is carried out.
The specific implementation process of the test method of stereo camera shooting module motor characteristics can refer to described in the embodiment of the present invention
The associated description of the process that function implements in system embodiment is stated, details are not described herein again.
From the foregoing, it will be observed that the embodiment of the present invention by driving each motor movement of stereo camera shooting module and being passed using ranging simultaneously
Sensor acquires the displacement distance of each camera lens under motor driving, when realizing test each motor of stereo camera shooting module and focusing simultaneously
Motor performance, the problem of not only solving single motor function test defect in the prior art, also solve stereo camera shooting module
In each camera lens interactional problem of performance between motor when focusing simultaneously, greatly shorten the time of test motor performance, carry
The efficiency of motor performance test is risen.
The embodiment of the present invention provides corresponding device also directed to the test method of stereo camera shooting module motor characteristics, hereafter
The test device of the stereo camera shooting module motor characteristics of description and the test system of above-described stereo camera shooting module motor characteristics
System can correspond reference.
Referring to Fig. 6, Fig. 6 is the test device of stereo camera shooting module motor characteristics provided in an embodiment of the present invention in a kind of tool
Structure chart under body embodiment, the device may include
Starting module 601, for sending the instruction for starting the work of stereo camera shooting module to test fixture.
Drive module 602, for according to each motor movement of preset driving current value driving stereo camera shooting module.
Information module 603 is obtained, mobile data of the corresponding camera lens under motor driving is acquired for obtaining distance measuring sensor
Information.
Test curve module 604 is drawn, for the driving current according to each motor and the mobile data information of corresponding camera lens,
Draw the kinetic characteristic curve of each motor.
Wherein, distance measuring sensor number is identical with the camera lens number in stereo camera shooting module, distance measuring sensor and camera lens one
One corresponds to, and distance measuring sensor and corresponding camera lens are located at same optical axis.
The function of each function module of the test device of stereo camera shooting module motor characteristics of the embodiment of the present invention realizes process
The associated description of the process that function implements in above system embodiment is can refer to, details are not described herein again.
From the foregoing, it will be observed that the embodiment of the present application realizes motor when test each motor of stereo camera shooting module is focused simultaneously
Can, improve the efficiency that motor performance is tested.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other
The difference of embodiment, just to refer each other for same or similar part between each embodiment.For dress disclosed in embodiment
For putting, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description
And algorithm steps, can be realized with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.Profession
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
It can directly be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above to a kind of test method, device and the system of stereo camera shooting module motor characteristics provided by the present invention into
It has gone and has been discussed in detail.Specific case used herein is expounded the principle of the present invention and embodiment, implements above
The explanation of example is merely used to help understand the method and its core concept of the present invention.It should be pointed out that for the general of the art
For logical technical staff, without departing from the principle of the present invention, can also to the present invention, some improvement and modification can also be carried out, this
A little improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of test system of stereo camera shooting module motor characteristics, which is characterized in that including：
Stereo camera shooting module, distance measuring sensor group, test fixture and microprocessor；
The stereo camera shooting module includes a plurality of lenses, and each camera lens uniquely corresponds to a motor；
Distance measuring sensor number in the distance measuring sensor group is identical with the camera lens number in the stereo camera shooting module, ranging
Sensor is corresponded with camera lens, and distance measuring sensor and corresponding camera lens are located at same optical axis；Distance measuring sensor is used to adopt
Collect corresponding camera lens motor driving under mobile data information and be sent to the microprocessor；
The test fixture is connected respectively with the stereo camera shooting module and the microprocessor, for starting the stereo camera shooting
Module works；
The microprocessor is connected respectively with the stereo camera shooting module and the distance measuring sensor group, for utilizing predetermined current
Value drives each motor movement, obtains the mobile data information that each distance measuring sensor is sent, and according to the driving current of each motor with
The mobile data information of corresponding camera lens draws the kinetic characteristic curve of each motor.
2. the test system of stereo camera shooting module motor characteristics according to claim 1, which is characterized in that the ranging passes
Sensor is laser sensor.
3. the test system of stereo camera shooting module motor characteristics according to claim 1, which is characterized in that further include：
Test fixture, the test fixture are used to fix the stereo camera shooting module and the distance measuring sensor group, the solid
Camera module is arranged on the test fixture center.
4. the test system of the stereo camera shooting module motor characteristics according to claim 1-3 any one, which is characterized in that
The stereo camera shooting module includes an imaging sensor.
5. the test system of stereo camera shooting module motor characteristics according to claim 4, which is characterized in that further include：
Display, for showing the kinetic characteristic curve of each motor to user.
6. the test system of stereo camera shooting module motor characteristics according to claim 5, which is characterized in that further include：
Alarm, for when detecting motor operation exception, carrying out alarm.
7. a kind of test method of stereo camera shooting module motor characteristics, which is characterized in that including：
The instruction for starting the work of stereo camera shooting module is sent to test fixture；
Each motor movement of the stereo camera shooting module is driven according to preset driving current value；
It obtains distance measuring sensor and acquires mobile data information of the corresponding camera lens under motor driving；
According to the driving current of each motor and the mobile data information of corresponding camera lens, the kinetic characteristic curve of each motor is drawn；
Wherein, distance measuring sensor number is identical with the camera lens number in the stereo camera shooting module, distance measuring sensor and camera lens one
One corresponds to, and distance measuring sensor and corresponding camera lens are located at same optical axis.
8. the test method of stereo camera shooting module motor characteristics according to claim 7, which is characterized in that further include：
The kinetic characteristic curve of each motor is shown to user.
9. the test method of stereo camera shooting module motor characteristics according to claim 7, which is characterized in that further include：
When detecting motor operation exception, alarm is carried out.
10. a kind of test device of stereo camera shooting module motor characteristics, which is characterized in that
Starting module, for sending the instruction for starting the work of stereo camera shooting module to test fixture；
Drive module, for driving each motor movement of the stereo camera shooting module according to preset driving current value；
Information module is obtained, mobile data information of the corresponding camera lens under motor driving is acquired for obtaining distance measuring sensor；
Test curve module is drawn, for the driving current according to each motor and the mobile data information of corresponding camera lens, is drawn each
The kinetic characteristic curve of motor；
Wherein, distance measuring sensor number is identical with the camera lens number in the stereo camera shooting module, distance measuring sensor and camera lens one
One corresponds to, and distance measuring sensor and corresponding camera lens are located at same optical axis.
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| CN113747147A (en) * | 2021-08-17 | 2021-12-03 | 荣耀终端有限公司 | Camera module testing equipment and camera module testing method |
| CN114088360A (en) * | 2020-08-25 | 2022-02-25 | 宁波舜宇光电信息有限公司 | Motor detection method, motor and lens assembly method and clamping device |
| CN114222115A (en) * | 2021-12-16 | 2022-03-22 | 昆山丘钛微电子科技股份有限公司 | Optical anti-shake calibration method, device, equipment and medium |
| CN115277989A (en) * | 2021-04-29 | 2022-11-01 | 北京小米移动软件有限公司 | Electronic device |
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