CN105572130B - Touch screen terminal test method and equipment - Google Patents
Touch screen terminal test method and equipment Download PDFInfo
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- CN105572130B CN105572130B CN201510922216.8A CN201510922216A CN105572130B CN 105572130 B CN105572130 B CN 105572130B CN 201510922216 A CN201510922216 A CN 201510922216A CN 105572130 B CN105572130 B CN 105572130B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
The embodiment of the present application discloses a kind of touch screen terminal test equipment and method.By multiaxial motion platform courses contact action bar, the operation that the top contact of contact action bar is made to be set on the screen of tested touch screen terminal, and the pressure information of the screen of the tested touch screen terminal of top contact touching is obtained by pressure sensor, the continuous snapshots of industrial camera are controlled according to the pressure information, the reaction speed for being tested touch screen terminal is calculated and analyzed according to the image data of the pressure information and gained of taking pictures, completes test.Scheme provided by the embodiments of the present application can be automatically performed the reaction speed test of touch screen terminal, more accurate than manual testing, act it is more consistent, it is more efficient, using image data as assessment foundation, closer to user's visual experience, and the result precision for calculating analysis is high.
Description
Technical field
The present invention relates to terminal test technical field more particularly to a kind of touch screen terminal test methods and equipment.
Background technology
Touch screen terminal, such as touch-screen mobile phone and touch screen tablet computer, the reaction speed for user's operation are touch screen terminals
Important performance indexes, the fluency and stability of the height relationship touch screen terminal of reaction speed are of close concern to each other with user experience.
After touch screen terminal refers to that user operates screen to the reaction speed of user's operation, touch screen terminal is shown according to the operation
The speed of correspondence image, the operation include click and slip etc..The test of reaction speed is the main interior of touch screen terminal test
Hold, although the factor for influencing touch screen terminal reaction speed includes physical characteristic, touch screen terminal system and the correlation touch screen in itself
Application software, but the test of the reaction speed to touch screen terminal, it is intended to obtain touch screen under current application software and current system
The reaction speed of terminal, to understand the performance of touch screen terminal under the present circumstances, as the reference of design of hardware and software, test is in itself
Do not make a concrete analysis of reason.
The related specific targets of touch screen terminal reaction speed, including response performance frame per second, sliding capability time delay and sliding
Energy frame per second etc..Response performance frame per second refers to after the clicking operation of user, such as carries out startup application in user, lights screen or go out
After the clicking operations such as screen, variation frame per second of the screen change from starting to end.Sliding capability time delay refers to cunning of the screen in user
After dynamic operation occurs, the time delay between screen change starting point, such as slided in the desktop slip of user or contacts list
After operations is waited to occur, the time delay between desktop slip or contacts list slip occurs for screen.Sliding capability frame per second refers in user
After carrying out slide, such as after the operations such as progress desktop slip or contacts list slip, screen change is from starting to end
Variation frame per second.
The test of touch screen terminal reaction speed at present is based on manual testing or virtual test, and manual testing is by some letters
Single tool such as camera and software for calculation, manually operates touch screen terminal, then takes pictures, and obtains test data, reuses meter
Software is calculated to calculate reaction speed index of correlation；Virtual test is then to be implanted into Software Testing Tool in touch screen terminal in advance, from
Internal system interface obtains source of screen correlation real time data to carry out test analysis.Manual testing's method, at current touch screen end
Development cycle at end is short, iteration updating decision, shipment amount is big, test case is more and it is numerous and diverse in the case of, can not realize and connect for a long time
Continuous test, efficiency are low；And accuracy is low, and subjectivity is big, the difference between tester or even between company, can all cause to survey
The disunity of method for testing and testing standard, it is also difficult to which reunification describes and analysis.Virtual measuring method is then not over touch screen
The physical screen of terminal is operated, it is impossible to and truly analog subscriber operates, and can not be perceived unanimously with user, and accuracy is not high,
And since the operating system of many touch screen terminals is closed system, it is difficult to be implanted into Software Testing Tool, the scope of application is small.
Invention content
To overcome the problems, such as that touch screen terminal testing efficiency and accuracy are low in the relevant technologies, it is whole that the application provides a kind of touch screen
Hold test method and equipment.
According to the embodiment of the present application in a first aspect, provide a kind of touch screen terminal test equipment, including：
Frame, the frame include pedestal and camera support, and the camera support connect or is integrally formed with the pedestal；
Multiaxial motion platform is installed in the frame, and the multiaxial motion platform is by multiple single axial movement mechanisms and control
Make the kinetic control system composition of each single axial movement mechanism action；
Touch screen terminal pallet, the touch screen terminal pallet connect or are integrally formed with the frame；
Contact action bar is installed in the single axial movement mechanism of the multiaxial motion platform, the top of the contact action bar
End contact is connect with pressure sensor, the stroke model that the contact action bar is reached by the movement of the multiaxial motion platform
It encloses, covers test scope when tested touch screen terminal is placed in the touch screen terminal pallet, and pass through the multiaxial motion platform
Movement, it is whole that minimum range between the top contact of the contact action bar and the touch screen terminal pallet is less than tested touch screen
The thickness at end；
At least one industrial camera is installed on the camera support, and the camera lens of the industrial camera is towards the touch screen
Terminal tray, the control system of taking pictures of the industrial camera are connect with the pressure sensor.
Optionally, the multiaxial motion platform is XYZ three-axis moving systems, and Y-axis motion is assembled in the pedestal
Both ends, X-axis motion is installed on the Y-axis motion, and Z axis motion is installed on the X-axis fitness machine
On structure, the contact action bar is installed on the Z axis motion.
Optionally, the camera support is located at the top of the multiaxial motion platform, and the camera support and the X-axis
Motion is parallel.
Optionally, it is provided with rectangular recess in the touch screen terminal pallet or lock is installed, wherein, the rectangle is recessed
The width of slot is more than the width of tested touch screen terminal, and the length of the rectangular recess is more than the length of tested touch screen terminal, described
The camera lens of industrial camera is used to tested touch screen terminal being locked in the touch screen terminal support towards the rectangular recess, the lock
Disk.
Optionally, the touch screen terminal test equipment, including two industrial cameras, in described two industrial cameras at least
One is high-speed industrial camera.
Optionally, the control system of taking pictures of the kinetic control system of the multiaxial motion platform and the industrial camera is with surveying
Try control centre's connection.
Corresponding to the embodiment of the present application in a first aspect, according to the second aspect of the embodiment of the present application, a kind of touch screen is provided
Terminal test method, including：
Obtain multiaxial motion platform kinematic parameter；
The positioning of contact action bar and the touch screen control stick are controlled according to the multiaxial motion platform kinematic parameter
The operation trace of top contact；
Obtain letter of the top contact according to operation trace pressure sensor when being operated on tested touch screen terminal
Number；
Bat of the industrial camera to the screen of the tested touch screen terminal is controlled according to the signal of the pressure sensor
According to using the signal initial time of the pressure sensor as the initial time of taking pictures of the industrial camera；
Obtain the industrial camera take pictures gained image data；
The test index of the tested touch screen terminal is calculated according to described image data.
Optionally, the test index that the tested touch screen terminal is calculated according to described image data, including：
The variable quantity of pixel between calculating per two field pictures；
The screen time of refreshed image and the screen last refreshed image for the first time are judged according to the variable quantity
Time；
According to the time of the initial time of taking pictures, the time of the refreshed image for the first time, the last refreshed image with
And the frame per second of the industrial camera, calculate the screen sliding time of the tested touch screen terminal or screen-refresh frame per second.
Optionally, the touch screen terminal test method, obtain the industrial camera take pictures gained image data after,
Before the test index that the tested touch screen terminal is calculated according to described image data, further include and described image data are carried out in advance
Processing, the pretreatment include：
The image data of every frame is filtered；
The corresponding pixel value of consecutive frame image is subtracted each other to obtain frames differencing；
Self-adaption binaryzation processing is carried out to described image frame difference；
The variable quantity of pixel, is to calculate per two field pictures it according to described image frame difference between the every two field pictures of calculating
Between pixel variable quantity.
Optionally, the touch screen terminal test method, further includes：It shows the test index, and the test is referred to
Mark and described image data are uploaded to cloud service platform.
Technical solution provided by the embodiments of the present application by multiaxial motion platform courses contact action bar, makes contact action bar
The operation that is set on the screen of tested touch screen terminal of top contact, and contact touching in top is obtained by pressure sensor
The pressure information of the screen of tested touch screen terminal controls taking pictures for industrial camera, according to the pressure according to the pressure information
The image data of information and gained of taking pictures is calculated and is analyzed to the reaction speed for being tested touch screen terminal, completes test.This
Apply for the scheme that embodiment provides, the reaction speed test of touch screen terminal can be automatically performed, it is more accurate than manual testing, it moves
Make it is more consistent, it is more efficient, using image data as assessment foundation, closer to user's visual experience, and calculate analysis
As a result precision is high.In addition it using pressure sensor in the equipment that the embodiment of the present application is provided, can realize in the shortest time
It detects the time of the tested touch screen terminal screen of touching, triggers industrial camera at the first time and take pictures, record tested touch screen terminal screen
The details of curtain variation solves the problems, such as that other test method node mistakes cause data inaccurate.
It should be understood that above general description and following detailed description are only exemplary and explanatory, not
The application can be limited.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structure diagram of touch screen terminal test equipment shown in one exemplary embodiment of the application.
Fig. 2 is a kind of flow diagram of touch screen terminal test method shown in one exemplary embodiment of the application.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
For comprehensive understanding the application, numerous concrete details are referred in the following detailed description, but this field skill
Art personnel are it should be understood that the application may not need these details and realize.In other embodiments, it is not described in detail known
Method, process, component and circuit, obscured in order to avoid undesirably resulting in embodiment.
Fig. 1 is a kind of structure diagram of touch screen terminal test equipment shown in one exemplary embodiment of the application.Such as Fig. 1
Shown, the equipment includes frame 29, triaxial movement platform 34, touch screen terminal pallet 28, contact action bar 33, pressure sensor
23rd, general industry camera 21 and high-speed industrial camera 22.
Wherein, the frame 29 includes pedestal 30 and camera support 31, and the camera support 31 passes through with the pedestal 30
Side support 35 connects, and pedestal and camera support are all welded with side support.The pedestal and the camera support can also be with
Side support is detachably connected, such as is fitted together by detachable installation elements.The pedestal can also be with the frame
It is integrally formed, the camera support can also be integrally formed with the frame.General industry camera 21 and high-speed industrial camera 22
It nestles up and is installed on the camera support 31, the camera lens of two cameras is both facing to the touch screen terminal pallet 28.
Triaxial movement platform 34 is installed in the frame 29, and the triaxial movement platform is by X-axis motion 26, Y-axis
The kinetic control system composition of motion 25 and Z axis motion 27 and each single axial movement mechanism action of control, Ge Gedan
Shaft movement mechanism respectively includes axis moving assembly and axis slide assemblies.Wherein, Y-axis motion 25 is assembled in the pedestal 30
Both ends, X-axis motion 26 are installed on 25 on the Y-axis motion, and Z axis motion 27 is installed on the X-axis fitness machine
On structure 26, the contact action bar 33 is installed on the Z axis motion 27.Triaxial movement platform is by its kinetic control system
Control controls, and motor program can be written in kinetic control system, defined movement is completed by performing motor program, including
Translation of the Y-axis motion along pedestal both ends sliding rail, translation of the X-axis motion along the sliding rail being installed on Y-axis motion,
And translation of the Z axis motion along the sliding rail being installed on X-axis motion.Pass through X-axis motion, Y-axis motion
Movement with Z axis motion can position contact action bar 33 and be made as defined in the contact action bar 33 completes
Sliding action.
The top of the contact action bar 33 be top contact, the top contact can be capacitance pen contact, Neng Gou
Operation makes touch screen that reflection and variation occur on touch screen.During test, tested touch screen terminal 32 is positioned in touch screen terminal pallet 28, and three
Axis motion platform completes the action that program is specified with contact action bar on the screen of tested touch screen terminal.The touch screen terminal
Pallet can the frame be integrally formed, such as using the pedestal of the frame as touch screen terminal pallet or in the frame
Pedestal on impact tray shape as touch screen terminal pallet.The touch screen terminal pallet can also it is separately formed (such as into
Type is rectangular disk) afterwards with the tube chamber welds with base or it is bonding or by be buckled etc. removable connectors and the pedestal it is removable
Unload connection.When the touch screen terminal pallet and the pedestal are integrally formed or weld together, touch screen terminal pallet will not be because
The movement or vibrations of frame and move, stability is high, is conducive to contact action bar to being tested the operation of touch screen terminal.One
In kind preferred embodiment, rectangular recess is provided in the touch screen terminal pallet, the width of the rectangular recess is more than quilt
The width of touch screen terminal is surveyed, the length of the rectangular recess is more than the length of tested touch screen terminal, and preferred mode is described
The width and length of rectangular recess are slightly larger than the width and length of tested touch screen terminal, such as all more than 0.5cm, tested in this way to touch
Screen terminal can relatively stable be positioned in the rectangular recess, with prevent contact action bar operation be tested touch screen terminal when,
Tested touch screen terminal moves.Tested touch screen terminal is generally not limited to a kind of model, to improve the versatility of equipment, another
In a kind of preferred embodiment, the rectangular recess could be provided as that length or the structure of width can be changed, such as described
The side installation flexible clamp piece of rectangular recess adjusts the size of rectangular recess in test according to the size of tested touch screen terminal,
So that tested touch screen terminal can be fixed in the rectangular recess.In another preferred embodiment, the touch screen terminal
Lock in pallet is set, for tested touch screen terminal to be locked in the touch screen terminal pallet, is thus tested touch screen terminal position
Fixation is put, tested touch screen terminal can be better protected from and moved during the test.If it is set in touch screen terminal pallet
The rectangular recess of tested touch screen terminal is placed, then the camera lens of the industrial camera is towards the rectangular recess, so as to take pictures more
To be accurate, if being not provided with placing the rectangular recess of tested touch screen terminal in touch screen terminal pallet, can be adjusted in test
The position of tested touch screen terminal, enables the camera lens of industrial camera to be preferably directed at tested touch screen terminal, therefore in touch screen terminal
The rectangular recess is set to be also beneficial to the alignment lens of industrial camera in pallet, removes from and manually adjusting.
Contact action bar 33 is installed on the Z axis motion 27 of the triaxial movement platform.The contact action bar leads to
The stroke range that the movement of the triaxial movement platform is reached is crossed, can cover and tested touch is placed in the touch screen terminal pallet
Shield test scope during terminal, the usual test scope is the screen ranges of tested touch screen terminal, that is to say, that passes through three axis
The action of the X-axis of motion platform, Y-axis and Z axis motion, can be positioned at the test scope by the contact action bar
It is interior, and the operation trace of the touch screen control stick is no more than the test scope.And pass through the triaxial movement platform
Movement, the minimum range between the top contact of the contact action bar and the touch screen terminal pallet are less than tested touch screen terminal
Thickness so that contact action bar can touch tested touch screen terminal.
The top contact of contact action bar 33 is connect with pressure sensor 23, when top contact and the screen of tested touch screen terminal
During curtain touching, pressure sensor will obtain the pressure information touched and generated, in the technical solution of the application, the pressure information
Predominantly touch the temporal information of the pressure correlation of generation.The pressure sensor is connect with the top contact, can be pressure
Force snesor and top contact one, that is, top contact is per se with the function of pressure sensor, such as condenser type
Pressure sensor is combined as top contact with the first body of capacitive touch, and pressure sensor directly acquires the pressure letter that top contact generates
Breath.The pressure sensor can also be detached with the top contact, be installed on the contact action bar, passed through micro-displacement
Conversion element is connect with the top contact, in one embodiment, the contact action bar by with the Z axis motion
It the cantilever that is fixedly connected and is fixedly connected with the cantilever and the vertical bar parallel with the Z axis motion forms, pressure
Sensor is installed on the cantilever, and this structure is conducive to the installation of various model pressure sensors, will not with equipment other
Part generates conflict.The pressure sensor can also be installed on the Z axis motion, and converts member by micro-displacement
Part is connect with the top contact.
The pressure sensor 23 is connect with the general industry camera 21 and high-speed industrial camera 22 by signal wire.It surveys
In examination, when contact action bar starts to operate, the moment of touch screen terminal is tested in touch screen, that is, pressure sensor is got initially
The moment of pressure signal starts the start time point taken pictures, therefore the higher the better for the sensitivity of pressure sensor for two cameras,
Preferably, the sensitivity of the pressure sensor is greater than or equal to 0.01mV/g, and the value is according to the bats of two selected cameras
It according to the signal delay situation between speed and pressure sensor and two cameras, integrates to obtain by many experiments, when pressure passes
When the sensitivity of sensor is not less than 0.01mV/g, the reaction time of taking pictures of camera can meet the requirements, that is, camera starts to clap
According to time and contact action bar start the time synchronization of operation.
The present embodiment has used two industrial cameras, and one is general industry camera, and one is high-speed industrial camera, described
High-speed industrial camera can select frame rate in the high-speed industrial camera of more than 240fps, corresponding to top contact in tested movement
Each micromotion on terminal screen can obtain pictures more than 24 frames of screen for subsequent calculating and data point
Analysis.Whether in place the picture shot described in general industry camera is then mainly used for judging the movement of each shaft movement mechanism, judges institute
State whether contact action bar in place and judges whether the operation trace of contact action bar is correct, so as to which each axis is assisted to transport
Motivation structure correctly moves, and by the image of general industry camera captured in real-time, image is observed in real time, according to the figure
As come the image data that carries out above-mentioned judgement or obtain the shooting of general industry camera, according to each axis of described image data analysis
Whether the location of pixels of motion and contact action bar meets the parameter of setting, if the movement of each shaft movement mechanism less than
Position, for example, X-axis motion do not move to setting position or the contact action bar not in place, that is, contact action bar
The operation trace mistake of Wrong localization or contact action bar can then be adjusted each shaft movement mechanism, such as to each axis
Motion is corrected or adjusts the kinematic parameter of corresponding kinetic control system to ensure that each shaft movement mechanism can be just
Really movement, so as to also ensure that contact action bar can be operated correctly in correct position.When implementing the present invention, such as
There is very high positional accuracy in fruit three-axis moving mechanism under the control of kinetic control system, can also only use a high speed work
Industry camera obtains image data.It is preferably cooperated by two cameras, to obtain more accurately image data.It needs
It is bright, carry out subsequent calculating and data analysis due to needing a large amount of pictures, high-speed industrial camera be it is indispensable,
A that is the touch screen terminal test equipment at least high-speed industrial camera.
The general industry camera and the high-speed industrial camera are nestled up and are installed on the camera support.The present embodiment
In, during test, tested touch screen terminal is placed in touch screen terminal pallet, and the touch screen terminal pallet is connect, therefore be with pedestal
The tested touch screen terminal is operated, the contact action bar is downward, and the camera lens of two cameras is also directed downwardly, therefore preferably
, as shown in Figure 1, the camera support is located at the top of the triaxial movement platform, and the camera support and the X-axis
Motion is parallel so that it is convenient to shooting of the camera to the screen of tested touch screen terminal.
In one embodiment, the touch screen terminal test equipment further includes shell, frame 29, triaxial movement platform
34th, touch screen terminal pallet 28, contact action bar 33, pressure sensor 23, general industry camera 21 and high-speed industrial camera 22 are equal
In shell, the shell can make general industry camera 21 and high-speed industrial camera 22 when taking pictures from external environmental light
The influence of line improves the quality of shooting photo.
In one embodiment, the touch screen terminal test equipment, further includes barn door, and the barn door is installed on
On the frame, at least one industrial camera is located under the barn door, and the barn door can obstruct the light, and make general
Logical industrial camera 21 and high-speed industrial camera 22 shoot the matter of photo when taking pictures from the influence of external environment light, raising
Amount, the barn door may be arranged as adjustable size and block the form of angle, to be adjusted according to the light of test environment
Barn door to adjust the influence of general industry camera 21 and the light suffered when taking pictures of high-speed industrial camera 22, is improved and is clapped
Take the photograph the quality of photo.
In one embodiment, the touch screen terminal pallet can also be detached with pedestal, but be set and the frame
Side, such as the front side edge in Fig. 1, and being connect with two front side frames of front side edge sets on the touch screen terminal pallet
Have a buckle, during test, tested touch screen terminal be snapped it is fixed on the touch screen terminal pallet.In this case, the touch screen
Operating lever is facing forward, is towards touch screen terminal pallet, since touch screen terminal pallet is parallel with X-axis motion, is
Facilitate shooting, camera support is also parallel with X-axis motion, but is set to one opposite with side where the touch screen terminal pallet
Back side edge in side, such as Fig. 1, camera support are connect with the frame by two rear side stents, are installed on camera support
Camera lens towards the touch screen terminal pallet.
Under the drive of the triaxial movement platform, the top contact of contact action bar to being tested the screen of touch screen terminal,
It can click and (move up and down completion along Z axis motion to click), left and right linear slide on the screen and in institute
Tandem on screen is stated to slide, wherein, using the both direction along X-axis motion as left and right directions, with along Y-axis fitness machine
The both direction of structure is front-rear direction.
In one embodiment, the triaxial movement platform can also replace with two axis motion platforms, such as will be in Fig. 1
Y-axis motion fix, contact action bar only translates along sliding rail of X-axis motion or so and along Z axis motion
Sliding rail upper and lower translation, in this case, the top contact of contact action bar only click (along Z the screen for being tested touch screen terminal
Shaft movement mechanism, which moves up and down, to be completed to click) and left and right linear slide on the screen, wherein, with along X-axis fitness machine
The both direction of structure is left and right directions.
In another embodiment, the triaxial movement platform may be replaced by four axes motion platform, such as in Z axis
A R shaft movement mechanism is further added by motion, the R shaft movement mechanisms are rotary shaft, in this way, the top of contact action bar
Contact can be clicked to the screen of tested touch screen terminal and (move up and down completion along Z axis motion to click), in the screen
On left and right linear slide, tandem on the screen slide and by the driving of R shaft movement mechanisms on the screen
Camber line slide, wherein, using the both direction along X-axis motion as left and right directions, using the both direction along Y-axis motion as
Front-rear direction.It should be noted that triaxial movement platform can also be replaced according to the operation on the screen needed for test
Other multiaxial motion platforms are changed to, to complete the increasingly complex operation of setting.
In the embodiment of the present application, test control center, the kinetic control system of the triaxial movement platform, Yi Jisuo are set
The control system of taking pictures for stating general industry camera and the high-speed industrial camera is connect with test control center, by testing and control
The heart uniformly completes the relevant setting of kinetic control system program and the relevant setting of control system program of taking pictures, and receives institute
Kinetic control system and the motion-dependent data and image data of the control system return of taking pictures are stated, and according to movement dependency number
According to the calculating and data analysis tested to kinetic control system and according to needed for image data completes test.Setting is surveyed
Examination control centre more aspect tester, which concentrates, to be set and is operated.The test control center can also be with cloud platform phase
Even, test data is shared.
Touch screen terminal test equipment provided by the embodiments of the present application by multiaxial motion platform courses contact action bar, makes to touch
Shield the operation that the top contact of operating lever is set on the screen of tested touch screen terminal, carry out analog manual operation, and by pressing
Force snesor obtains the pressure information of the screen of the tested touch screen terminal of top contact touching, can realize and be detected in the shortest time
To the time of the tested touch screen terminal screen of touching, industrial camera is triggered at the first time and takes pictures to obtain the change of tested touch screen terminal screen
Change, solve the problems, such as that other test method node mistakes cause data inaccurate, according to the pressure information and gained of taking pictures
Image data to be tested touch screen terminal reaction speed carry out calculating analysis, be automatically performed test, and can be surveyed in real time
Examination analysis.The equipment is automatically performed the reaction speed test of touch screen terminal, has more high accuracy and efficiency than manual testing,
And using image data as assessment foundation, closer to user's visual experience, calculate the result precision higher of analysis.
Fig. 2 is a kind of flow diagram of touch screen terminal test method shown in one exemplary embodiment of the application, described
Method uses touch screen terminal test equipment as shown in Figure 1, as shown in Fig. 2, the method includes：
Step S101 obtains multiaxial motion platform kinematic parameter；
Step S102, according to the multiaxial motion platform kinematic parameter control contact action bar positioning and it is described touch
Shield the operation trace of the top contact of control stick；
Step S103, obtaining the top contact, the pressure when being operated on tested touch screen terminal passes according to the operation trace
The signal of sensor；
Step S104 controls the industrial camera to the tested touch screen terminal according to the signal of the pressure sensor
Screen is taken pictures, using the signal initial time of the pressure sensor as the initial time of taking pictures of the industrial camera；
Step S105, obtain the industrial camera take pictures gained image data；
Step S106 calculates the test index of the tested touch screen terminal according to described image data.
When carrying out touch screen terminal test, UI or survey of the tester by the kinetic control system of multiaxial motion platform
Try control centre UI, input multiaxial motion platform kinematic parameter, alternatively, by multiaxial motion platform kinematic parameter pre-save in
In configuration file or database, the control system or test control center of multiaxial motion platform read institute after test starts
It states configuration file or database obtains multiaxial motion platform kinematic parameter.The multiaxial motion platform kinematic parameter includes multiaxis
The positional parameter of each shaft movement mechanism in motion platform, for example, the X-axis of triaxial movement platform, Y-axis and Z axis motion relative to
The distance that respective default location needs translate, the default location of each axis refer to the original staring position of each axis, also known as each axis
Zero-bit.After the multiaxial motion platform kinematic parameter further includes each axis positioning, contact action bar is made to carry out operation institute on touch screen
The trajectory parameters needed, that is, realize that the kinematic parameter of each axis needed for the operation of contact action bar, such as contact action bar exist
Linear slide operation is carried out on the screen of tested touch screen terminal, and the track of linear slide operation is parallel with X-axis, then needs
X-axis motion is determined after positioning relative to the translation direction of position location and distance, the translation direction and distance are exactly
This makes contact action bar complete the trajectory parameters needed for operation.
The kinetic control system of multiaxial motion platform is got after multiaxial motion platform kinematic parameter or in testing and control
After the heart sends the multiaxial motion platform kinematic parameter of acquisition to the kinetic control system connected to it, the motion control
System performs relative program according to the multiaxial motion platform kinematic parameter, and control drives the motor of each shaft movement mechanism, passes through
The motor controls the movement of each shaft movement mechanism, including controlling contact action according to the multiaxial motion platform kinematic parameter
After the positioning of bar and the positioning of contact action bar, the operation trace of the top contact of the touch screen control stick.Need what is illustrated
It is that before starting test, tested touch screen terminal has been placed in position specified in touch screen terminal pallet.
In one embodiment, the touch screen terminal test equipment used is equipped with general industry camera and high-speed industrial phase
Machine then controls the positioning of contact action bar and the top of the touch screen control stick according to the multiaxial motion platform kinematic parameter
The operation trace of contact is held, can also be included：Obtain the image data of the general industry camera；According to the general industry phase
The image data of machine judges whether the positioning and the operation trace are correct；If the positioning and the operation trace
It is incorrect, return to step S101, to reacquire multiaxial motion platform kinematic parameter, to control Multi-shaft movement mechanism movement just
Really, so as to ensure that the positioning of contact action bar and operation trace are correct.
In contact action bar when being operated on the screen of tested touch screen terminal, the top contact is obtained according to operation
The signal of track pressure sensor when being operated on tested touch screen terminal, the signal include contact action bar operation whole process
Each pressure information and corresponding temporal information, the temporal information include operation time started and operation end time.It is described
Operation time started, that is, pressure information start generate time, that is, contact action bar top contact in tested touch screen terminal
Screen on start moment of operation, that is, top contact touches the moment of the screen, correspondingly, at the end of the operation
Between time for finally disappearing for pressure information.
The control system connection of taking pictures of pressure sensor and industrial camera, when the operation for getting contact action bar starts
Between moment, triggering industrial camera takes pictures to tested touch screen terminal screen, that is, is risen with the signal of the pressure sensor
Begin the initial time of taking pictures that the time is the industrial camera.It should be noted that after the completion of primary test, all by pressure sensing
Device is zeroed, and when testing every time in this way, signal initial time, that is, top contact of pressure sensor touches the first time of screen, together
When the industrial camera that sets out take pictures, therefore the signal initial time of pressure sensor is also the initial time of taking pictures of industrial camera.
At the end of contact action bar, the corresponding temporal information of pressure information finally generated operates the end time, is
The reaction speed of test touch screen terminal screen does not terminate taking pictures for industrial camera while operating and terminating.It is tied in operation
When terminate to take pictures and can preset after beam, such as be set in advance in operation and terminate to terminate to take pictures again after 10s, to be shielded
Reaction image of the curtain after operation, end time of taking pictures can preset in the control system of taking pictures of industrial camera,
It can also be preset in test control center, and preset parameter is sent to control of taking pictures by test control center
System.
After industrial camera is taken pictures, obtain the industrial camera and take pictures the image data of gained, that is, from industry
The image data taken pictures is read in the control system of taking pictures of camera, described image data include the temporal information per frame image
With the information such as pixel.Before the test index of the tested touch screen terminal is calculated according to image data, if image data matter
It measures bad, image data can be pre-processed, including denoising and filtering etc., be conducive to more accurately be calculated knot in this way
Fruit.Then the test index is calculated according to image data or pretreated image data.
The pretreatment can include：
(a1) image data of every frame is filtered.
Wherein it is possible to using median filtering algorithm, such as core size is filtered for the median filtering algorithm of 3x3, with
Inhibit the influence of more apparent noise.
(a2) consecutive frame image respective pixel value is subtracted each other to obtain frames differencing.Described image frame difference is also referred to as difference diagram
Picture.
(a3) self-adaption binaryzation processing is carried out to the difference image.
Carrying out self-adaption binaryzation to the difference image can make the difference image better adapt to different tests
Background and foreground and background can be better discriminated between.In the case of ambient brightness variation less, pixel value in binary picture
Variation can be determined as background pixel less than the pixel of preset threshold value, if the pixel value variation of some regions is very greatly in figure,
Can be foreground pixel region by these zone markers, it is believed that be caused by moving object in image, before label
Scape pixel region can determine the position of moving target in the picture.
In the case where ambient brightness changes greatly, such as screen intensity can also be sent out some touch screen terminals in operation
The situation for changing, the pretreatment can also include carrying out homomorphic filtering, and cooperation homomorphic filtering can also be after filtering on the same stage
A medium filtering is being carried out, preferably to eliminate camera imaging noise, the preferably difference between resolution image.
The test index that the tested touch screen terminal is calculated according to described image data, can include：
The variable quantity of pixel between calculating per two field pictures；
The screen time of refreshed image and the screen last refreshed image for the first time are judged according to the variable quantity
Time；
According to the time of the initial time of taking pictures, the time of the refreshed image for the first time, the last refreshed image with
And the frame per second of the industrial camera, calculate the screen sliding time of the tested touch screen terminal or screen-refresh frame per second.
According to the image data taken pictures by industrial camera, calculate adjacent two field pictures pixel variable quantity or
It after above-mentioned pre-processed, traverses pretreated image data and is changed statistics, obtain the variable quantity of adjacent two frame, need
It is noted that having carried out the calculating that pixel value between consecutive frame image subtracts each other in above-mentioned pretreatment, frames differencing is obtained, is equivalent to
Tentatively the variable quantity of adjacent two field pictures pixel is obtained.The variable quantity of adjacent two field pictures pixel can directly use subtraction,
But this mode resultant error is larger, other variable quantity computational methods can also be used to calculate the variable quantity, can also subtracted
The variable quantity is calculated on the basis of method with reference to other computational methods.
After obtaining variable quantity data, traversal analyzes all image datas, according to preset start frame threshold value, variable quantity is small
It is determined as the start frame of screen response in the frame of threshold value, the time of screen refreshed image for the first time is obtained, further according to preset end
Variable quantity is determined as end frame more than end frame threshold value, obtains the time of screen last refreshed image by frame threshold value.Wherein,
Start frame threshold value and end frame threshold value can determine according to image data precision, the empirical value that can also be obtained according to many experiments
It determines.
When what is tested is the screen sliding time, that is, test contact action bar carries out being tested touch screen terminal screen during screen sliding operation
Response condition when, using the time of screen refreshed image for the first time as screen sliding initial time, with the time of screen last refreshed image
For the screen sliding end time, then screen sliding time=(screen sliding end time-screen sliding initial time)/high-speed industrial cameras frame rate.
When what is tested is application response time, that is, contact action bar passes through click or an application is opened in other actions
Afterwards, this application open time, using screen for the first time refreshed image time be application response initial time, with screen last refreshing
The time of image is the application response end time, then application response time=(when application response end time-application response originates
Between)/high-speed industrial cameras frame rate.
Except screen sliding response time or application response time can be calculated, the refreshing of tested touch screen terminal screen can also be calculated
Frame per second., the tested touch screen terminal screen of test refreshing frame per second, that is, test contact action bar is tested after refresh operation is carried out
The response condition of touch screen terminal screen, by taking pictures to obtain after image data or obtaining image data and pre-processed
Afterwards, the variable quantity of pixel between every two field pictures is calculated, further according to preset leading portion invalid data threshold value, will be less than
The data of leading portion invalid number threshold value are removed as leading portion invalid data, will be big according to preset back segment invalid data threshold value
It is removed in the data of the invalid threshold value of back segment as back segment invalid data, obtains intermediate valid data.Wherein leading portion invalid data threshold
Value and back segment invalid data threshold value can be determined according to the empirical value that many experiments obtain.Then it is drawn according to intermediate valid data
Wavy curve by the first frame of intermediate valid data, changes start frame as frame per second, the last frame of intermediate valid data is made
Change end frame for frame per second, using the corresponding frame number of intermediate valid data as frame number is refreshed, the refreshing frame per second of screen, quilt is calculated
Survey refreshing frame per second=refreshing frame number/((frame per second variation end frame-frame per second variation start frame)/camera frame speed of touch screen terminal screen
Rate).
The relevant algorithm of test index is stored among calculating and analysis system, such as test control center, is being got
After gained image data of taking pictures, test index is calculated according to the algorithm.After calculating analysis, it can show as a result, may be used also
It is shared so that the test index and described image data are uploaded to cloud service platform.
The touch screen terminal test method that the embodiment of the present application is provided, it is automatic complete using touch screen terminal equipment shown in FIG. 1
Into the test of touch screen terminal screen reaction speed, there is more high accuracy and efficiency than manual testing, convenient for batch testing, and with
Image data, closer to user's visual experience, calculates the result precision higher of analysis as assessment foundation.
By the description of above embodiment of the method, it is apparent to those skilled in the art that the application can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to by hardware, but in many cases the former
It is more preferably embodiment.Based on such understanding, the technical solution of the application substantially makes tribute to the prior art in other words
The part offered can be embodied in the form of software product, and be stored in a storage medium, including some instructions to
So that a smart machine performs all or part of step of each embodiment the method for the application.And aforementioned storage medium
Including：Read-only memory (ROM), random access memory (RAM), magnetic disc or CD etc. are various can to store data and program
The medium of code.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Point just to refer each other, and the highlights of each of the examples are difference from other examples.Described above sets
Standby and system embodiment is only schematical, can select according to the actual needs some or all of module therein and come in fact
The purpose of existing this embodiment scheme.Those of ordinary skill in the art are without creative efforts, you can to understand
And implement.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any this practical relationships or backward.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or set
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in the process, method, article or apparatus that includes the element.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.A variety of modifications of these embodiments will be apparent to one skilled in the art, it is as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (10)
1. a kind of touch screen terminal test equipment, which is characterized in that including：
Frame, the frame include pedestal and camera support, and the camera support connect or is integrally formed with the pedestal；
Multiaxial motion platform is installed in the frame, and the multiaxial motion platform is each by multiple single axial movement mechanisms and control
The kinetic control system composition of a single axial movement mechanism action；
Touch screen terminal pallet, the touch screen terminal pallet connect or are integrally formed with the frame；
Contact action bar is installed in the single axial movement mechanism of the multiaxial motion platform, and the top of the contact action bar is touched
Head is connect with pressure sensor, the stroke range that the contact action bar is reached by the movement of the multiaxial motion platform,
Test scope when tested touch screen terminal is placed in the touch screen terminal pallet is covered, and passes through the fortune of the multiaxial motion platform
Dynamic, the minimum range between the top contact of the contact action bar and the touch screen terminal pallet is less than tested touch screen terminal
Thickness；
At least one industrial camera is installed on the camera support, and the camera lens of the industrial camera is towards the touch screen terminal
Pallet, the control system of taking pictures of the industrial camera are connect with the pressure sensor.
2. touch screen terminal test equipment as described in claim 1, which is characterized in that the multiaxial motion platform is tri- axis of XYZ
Kinematic system, Y-axis motion are assembled in the both ends of the pedestal, and X-axis motion is installed on the Y-axis motion
On, Z axis motion is installed on the X-axis motion, and the contact action bar is installed on the Z axis motion
On.
3. touch screen terminal test equipment as claimed in claim 2, which is characterized in that the camera support is located at multiaxis fortune
The top of moving platform, and the camera support is parallel with the X-axis motion.
4. touch screen terminal test equipment as described in any one of claims 1 to 3, which is characterized in that the touch screen terminal pallet
In be provided with rectangular recess or lock be installed,
The width of the rectangular recess is more than the width of tested touch screen terminal, and the length of the rectangular recess is more than tested touch screen end
The length at end, towards the rectangular recess, the lock is used to tested touch screen terminal being locked in the camera lens of the industrial camera
The touch screen terminal pallet.
5. touch screen terminal test equipment as described in claim 1, which is characterized in that described two including two industrial cameras
At least one in industrial camera is high-speed industrial camera.
6. touch screen terminal test equipment as described in claim 1, which is characterized in that the motion control of the multiaxial motion platform
System and the control system of taking pictures of the industrial camera are connect with test control center.
7. a kind of touch screen terminal test method using the touch screen terminal test equipment as described in any one of claim 1 to 6, special
Sign is, including：
Obtain multiaxial motion platform kinematic parameter；
The positioning of contact action bar and the top of the touch screen control stick are controlled according to the multiaxial motion platform kinematic parameter
The operation trace of contact；
Obtain signal of the top contact according to operation trace pressure sensor when being operated on tested touch screen terminal；
The industrial camera taking pictures to the screen of the tested touch screen terminal is controlled according to the signal of the pressure sensor, with
The signal initial time of the pressure sensor is the initial time of taking pictures of the industrial camera；
Obtain the industrial camera take pictures gained image data；
The test index of the tested touch screen terminal is calculated according to described image data.
8. touch screen terminal test method as claimed in claim 7, which is characterized in that described to calculate institute according to described image data
The test index of tested touch screen terminal is stated, including：
The variable quantity of pixel between calculating per two field pictures；
According to the variable quantity judge the screen for the first time the time of refreshed image and the screen last refreshed image when
Between；
According to the initial time of taking pictures, the time of the refreshed image for the first time, the time of the last refreshed image and institute
The frame per second of industrial camera is stated, calculates the screen sliding time of the tested touch screen terminal or screen-refresh frame per second.
9. touch screen terminal test method as claimed in claim 7, which is characterized in that obtained by taking pictures in the acquisition industrial camera
Image data after, before the test index that the tested touch screen terminal is calculated according to described image data, further include to institute
It states image data to be pre-processed, the pretreatment includes：
The image data of every frame is filtered；
The corresponding pixel value of consecutive frame image is subtracted each other to obtain frames differencing；
Self-adaption binaryzation processing is carried out to described image frame difference；
The variable quantity of pixel between the every two field pictures of calculating is according to picture between the every two field pictures of described image frame difference calculating
The variable quantity of element.
10. touch screen terminal test method according to claim 7, which is characterized in that further include：Show that the test refers to
Mark, and the test index and described image data are uploaded to cloud service platform.
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| CN109254491B (en) * | 2017-07-13 | 2021-06-04 | 宁波舜宇光电信息有限公司 | Batch test equipment and method for camera modules |
| CN108073529A (en) * | 2017-08-17 | 2018-05-25 | 北京微应软件科技有限公司 | The input and output analogy method and simulation system of mobile terminal |
| CN107328784B (en) * | 2017-08-17 | 2023-08-15 | 歌尔股份有限公司 | Wristband screen detection device and method |
| CN107592397A (en) * | 2017-09-22 | 2018-01-16 | 苏州惠邦科信息技术有限公司 | The method of handset touch panel performance test |
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