CN107703395A - A kind of pulse test system and method for testing for vehicle-carrying display screen - Google Patents
A kind of pulse test system and method for testing for vehicle-carrying display screen Download PDFInfo
- Publication number
- CN107703395A CN107703395A CN201711043038.7A CN201711043038A CN107703395A CN 107703395 A CN107703395 A CN 107703395A CN 201711043038 A CN201711043038 A CN 201711043038A CN 107703395 A CN107703395 A CN 107703395A
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- Prior art keywords
- vehicle
- display screen
- carrying display
- host computer
- test
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses a kind of pulse test system for vehicle-carrying display screen, including host computer and impulse mechanism；The host computer is unidirectionally connected with Pulse Width Control mechanism, and control impulse mechanism produces required electric property pulse；The host computer is directly bi-directionally connected with vehicle-carrying display screen, and host computer directly reads the test mode of vehicle-carrying display screen.The present invention also discloses a kind of pulse test method for vehicle-carrying display screen in addition.The test system and method for testing of the present invention can realize test automation, be monitored in real time without manpower；And when an exception occurs, scene can be maintained, avoids abnormality from disappearing, and notify tester to analyze in time.
Description
Technical field
The present invention relates to vehicle-carrying display screen test, more particularly to a kind of pulse test system and survey for vehicle-carrying display screen
Method for testing.
Background technology
Automobile using display screen needs to carry out various functions test, such as electric performance test or touch durability test.Existing
Have in dependence test, providing various electric test pulses typically by pulsing unit carries out function, by tester during test
Member's monitoring in real time, various the problem of existing are recorded, or using monitoring device, transfer whether monitor data inquiry has after a test
It is abnormal.
Either personnel monitor in real time, or call monitor data inquired about, be required to take the plenty of time, and
For personnel without under real-time monitoring condition, unexpected abnormality state can not suspend test, maintain scene.
The content of the invention
It is a primary object of the present invention to provide a kind of pulse test system and method for testing for vehicle-carrying display screen, purport
Improving the automaticity of test.
To achieve the above object, the present invention provides a kind of pulse test system for vehicle-carrying display screen, including host computer
And impulse mechanism；The host computer is unidirectionally connected with Pulse Width Control mechanism, needed for control impulse mechanism generation
Electric property pulse；The host computer is directly bi-directionally connected with vehicle-carrying display screen, and host computer directly reads car-mounted display
The test mode of screen.
Preferably, the pulse test system also includes driving plate, and the host computer passes through driving plate and vehicle-carrying display screen
It is attached；The host computer is bi-directionally connected with driving plate；The driving plate is unidirectionally connected with vehicle-carrying display screen.
Preferably, the pulse test system also includes monitoring collection mechanism；The host computer passes through monitoring collection mechanism
Communicated with vehicle-carrying display screen, the host computer is bi-directionally connected with monitoring collection mechanism, PC control monitoring collection
Mechanism is acquired for the functional status of vehicle-carrying display screen and the result of collection is fed back into host computer.
Preferably, the system also includes touch control mechanism, and the touch control mechanism is sent out with host computer, pulse respectively
Life structure and automobile-used display screen are unidirectionally connected.
Preferably, the parameter of the electric property pulse includes level value, level duration and level conversion time.
The present invention also discloses a kind of pulse test method for vehicle-carrying display screen in addition, comprises the following steps:
S01 host computers communicate with impulse mechanism, and control impulse mechanism produces required pulse to vehicle-carrying display screen；
S02 vehicle-carrying display screens are after it have received electric property impulse disturbances caused by impulse mechanism, by host computer collecting vehicle
Carry the functional status of display screen；
S03 host computers judge whether the function of vehicle-carrying display screen is normal according to the result of feedback；Next parameter is carried out when normal
Test；When abnormal, next step is performed；
S04 maintains existing parameter to continue to output by PC control impulse mechanism, and abnormality is fed back into test
Personnel, the Analysis of Abnormal State is carried out by tester.
Preferably, it is further comprising the steps of：S05 carries out touch durability test to vehicle-carrying display screen.
Preferably, described touch durability test specifically includes：
A. host computer communicates with impulse mechanism, and control impulse mechanism produces required during vehicle-carrying display screen normal work
Level, drive vehicle-carrying display screen normal work；
B. PC control touch control mechanism, simulation actual use, it is dynamic to perform touch in the touch feedback area of vehicle-carrying display screen
Make；
C. after performing touch action, host computer is acquired to the functional status of vehicle-carrying display screen and feeds back host computer；
D. host computer judges whether the touch function of now vehicle-carrying display screen is normal for the situation of feedback；Carried out down when normal
The test of one parameter；When abnormal, next step is performed；
F. maintain existing parameter to continue to output by PC control impulse mechanism, and abnormality is fed back into test
Personnel, the Analysis of Abnormal State is carried out by tester.
Preferably, the image information of vehicle-carrying display screen is acquired using monitoring collection mechanism and feeds back to host computer.
Preferably, judge whether that normal step specifically includes：
Gather display picture during vehicle-carrying display screen normal work in advance by monitoring collection mechanism, and feed back to host computer, it is upper
Machine is handled according to the display picture information of feedback and records the pattern contour of now display picture, color and brightness；
The collection of monitoring collection mechanism have received the display picture of the vehicle-carrying display screen by test and feed back to host computer, host computer
The display picture when display picture and normal work that are obtained according to feedback is contrasted, and judges whether vehicle-carrying display screen is normal.
The test system and method for testing of the present invention has the advantages that：
1. integrated system automates, caused pulse required for presetting impulse mechanism and monitoring comparison data etc., i.e.,
Test automation can be achieved, monitored in real time without manpower；
2. scene when an exception occurs, can be maintained, abnormality is avoided to disappear, and from notifying tester to analyze in time；
3. abnormal situation occurs by monitoring collection mechanism record product and abnormal process occurs, be advantageous to problem analysis；
4. after can monitoring each touch action in real time, whether touch function has the situation of failure.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 is the structural representation of the embodiment of the present invention 3.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1
As shown in figure 1, a kind of pulse test system for vehicle-carrying display screen includes host computer, impulse mechanism and touches control
Mechanism processed；Host computer is unidirectionally connected with Pulse Width Control mechanism, and control impulse mechanism produces required electric property pulse；On
Position machine is directly bi-directionally connected with vehicle-carrying display screen, and host computer directly reads the test mode of vehicle-carrying display screen.Touch control mechanism
Unidirectionally it is connected with host computer, impulse mechanism and automobile-used display screen respectively, the touch for test carriage display screen is resistance to
Long property.
The pulse test system of the present embodiment can be used for the electric performance test of test vehicle-carrying display screen and touch durability
Test, when carrying out electric performance test, the arteries and veins of corresponding detecting electric performance is sent by PC control Pulse Width Control mechanism
Punching, and host computer and vehicle-carrying display screen is directly connected to, the test parameter of the vehicle-carrying display screen after read test, and by its with just
Often parameter during work is contrasted, and draws test result.
When needing to carry out touch durability test, vehicle-carrying display screen directly communicates with host computer, anti-by point coordinates is touched
Host computer is fed to, when the default touch point under coordinate and normal operating conditions matches, then judges that touch function is normal；Work as seat
When mark is with default touch point mismatch or without coordinates feedback, then touch function exception is can determine whether.
Embodiment 2
As shown in Fig. 2 present embodiment discloses a kind of pulse test system for including driving plate, the system includes host computer, arteries and veins
Rush generating mechanism, driving plate and touch control mechanism；Host computer is unidirectionally connected with Pulse Width Control mechanism, controls impulse mechanism
Electric property pulse needed for producing；Host computer is attached by driving plate and vehicle-carrying display screen；Host computer enters with driving plate
Row is bi-directionally connected；The driving plate is unidirectionally connected with vehicle-carrying display screen；Host computer reads vehicle-carrying display screen by driving plate
Test mode；Touch control mechanism is unidirectionally connected with host computer, impulse mechanism and automobile-used display screen respectively, simulation
Touch action, the touch durability for test carriage display screen.
The pulse test system of the present embodiment can be used for the electric performance test of test vehicle-carrying display screen and touch durability
Test, when carrying out electric performance test, the arteries and veins of corresponding detecting electric performance is sent by PC control Pulse Width Control mechanism
Punching, and host computer is directly connected to by driving plate and vehicle-carrying display screen, the test that vehicle-carrying display screen is read using driving plate is joined
Number, and itself and parameter during normal work are contrasted, draw test result.
When needing to carry out touch durability test, vehicle-carrying display screen is communicated by driving plate with host computer, by touch point
Coordinates feedback when the default touch point under coordinate and normal operating conditions matches, is then judging touch function just to host computer
Often；When coordinate is with default touch point mismatch or without coordinates feedback, then touch function exception is can determine whether.
Embodiment 3
As shown in figure 3, present embodiment discloses a kind of pulse test system for vehicle-carrying display screen；Including host computer, monitoring
Collecting mechanism, impulse mechanism and touch control mechanism, host computer are unidirectionally connected with Pulse Width Control mechanism, control pulse generation
Mechanism produces required electric property pulse, and host computer is communicated by monitoring collection mechanism with vehicle-carrying display screen, host computer
Mechanism is bi-directionally connected with monitoring collection, and PC control monitoring collection mechanism is carried out for the functional status of vehicle-carrying display screen
Gather and the result of collection is fed back into host computer.Touch control mechanism respectively with host computer, impulse mechanism and automobile-used aobvious
Display screen is unidirectionally connected, and simulates actual touch action, the touch durability for test carriage display screen.
The present embodiment also discloses the pulse test method based on the system in addition, and this method specifically includes following steps：
S01 host computers communicate with impulse mechanism, and control impulse mechanism produces required electrical resistance to vehicle-carrying display screen
Energy impulse, electric property pulse key parameter include level value, level duration and level conversion time etc.；
S02 vehicle-carrying display screens are supervised after it have received electric property impulse disturbances caused by impulse mechanism by PC control
The result is simultaneously fed back to host computer by the functional status of control collecting mechanism collection vehicle-carrying display screen；
The result that S03 host computers feed back according to monitoring collection mechanism judges whether the function of vehicle-carrying display screen is normal；Enter when normal
The test of the next parameter of row；When abnormal, next step is performed；
S04 maintains existing parameter to continue to output by PC control impulse mechanism, and abnormality is fed back into test
Personnel, the Analysis of Abnormal State is carried out by tester.
For how to judge whether product function is normal, specific implementation can be gathered vehicle-mounted in advance by monitoring collection mechanism
Display picture during display screen normal work, and host computer is fed back to, host computer is located according to the display picture information of feedback
Manage and record the pattern contour of now display picture, the key message such as color and brightness.
And after vehicle-carrying display screen have received electric property impulse disturbances caused by pulse generating system, monitoring collection system
The now display picture of product is gathered again and feeds back to host computer, is handled by host computer and is extracted the pattern of now display picture
The information such as profile, color and brightness, compared with information when normal work pair, if can match, it can determine whether now product work
Normally, if can not match, it can determine whether product now operation irregularity.
The test system of the present embodiment can also carry out touch durability test to vehicle-carrying display screen, specifically include：
A. host computer communicates with impulse mechanism, and control impulse mechanism produces required during vehicle-carrying display screen normal work
Level, drive vehicle-carrying display screen normal work；
B. PC control touch control mechanism, simulation actual use, it is dynamic to perform touch in the touch feedback area of vehicle-carrying display screen
Make；
C. after performing touch action, host computer is acquired to the functional status of vehicle-carrying display screen and feeds back host computer；
D. host computer judges whether the touch function of now vehicle-carrying display screen is normal for the situation of feedback；Carried out down when normal
The test of one parameter；When abnormal, next step is performed；
F. maintain existing parameter to continue to output by PC control impulse mechanism, and abnormality is fed back into test
Personnel, the Analysis of Abnormal State is carried out by tester.
For how to judge whether product function is normal, specific implementation is gathered vehicle-mounted aobvious in advance by monitoring collection mechanism
Display picture during display screen normal work, and host computer is fed back to, host computer is handled according to the display picture information of feedback
And record the pattern contour of now display picture, color and brightness；
The collection of monitoring collection mechanism have received the display picture by the vehicle-carrying display screen of touching test and feed back to host computer, on
Just whether display picture when display picture and normal work that position machine obtains according to feedback is contrasted, judge vehicle-carrying display screen
Often.
Test system disclosed in the present embodiment and method of testing can realize test automation, be monitored in real time without manpower.
Test system disclosed in the present embodiment not can be used for the durability test of electric performance test and touch-screen singly, when need
When testing other functions of vehicle-carrying display screen, as long as changing touch control mechanism into corresponding functional test mechanism i.e.
Other functions of vehicle-carrying display screen can be tested.The preferred embodiments of the present invention are these are only, not thereby limit this hair
Bright the scope of the claims, every equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion, or directly
Connect or be used in other related technical areas indirectly, be included within the scope of the present invention.
Claims (10)
- A kind of 1. pulse test system for vehicle-carrying display screen, it is characterised in that：Including host computer and impulse mechanism；The host computer is unidirectionally connected with Pulse Width Control mechanism, and control impulse mechanism produces required electric property arteries and veins Punching；The host computer is directly bi-directionally connected with vehicle-carrying display screen, and host computer directly reads the test shape of vehicle-carrying display screen State.
- 2. it is used for the pulse test system of vehicle-carrying display screen as claimed in claim 1, it is characterised in that：The pulse test system System also includes driving plate, and the host computer is attached by driving plate and vehicle-carrying display screen；The host computer enters with driving plate Row is bi-directionally connected；The driving plate is unidirectionally connected with vehicle-carrying display screen.
- 3. it is used for the pulse test system of vehicle-carrying display screen as claimed in claim 1, it is characterised in that：The pulse test system System also includes monitoring collection mechanism；The host computer is communicated by monitoring collection mechanism with vehicle-carrying display screen, and the host computer enters with monitoring collection mechanism Row is bi-directionally connected, and PC control monitoring collection mechanism is acquired for the functional status of vehicle-carrying display screen and by the knot of collection Fruit feeds back to host computer.
- 4. the pulse test system for vehicle-carrying display screen as described in claim any one of 1-3, it is characterised in that：The system System also includes touch control mechanism, and the touch control mechanism is entered with host computer, impulse mechanism and automobile-used display screen respectively The unidirectional connection of row.
- 5. it is used for the pulse test system of vehicle-carrying display screen as claimed in claim 4, it is characterised in that：The electric property arteries and veins The parameter of punching includes level value, level duration and level conversion time.
- A kind of 6. pulse test method for vehicle-carrying display screen：Comprise the following steps:S01 host computers communicate with impulse mechanism, and control impulse mechanism produces required pulse to vehicle-carrying display screen；S02 vehicle-carrying display screens are after it have received electric property impulse disturbances caused by impulse mechanism, by host computer collecting vehicle Carry the functional status of display screen；S03 host computers judge whether the function of vehicle-carrying display screen is normal according to the result of feedback；Next parameter is carried out when normal Test；When abnormal, next step is performed；S04 maintains existing parameter to continue to output by PC control impulse mechanism, and abnormality is fed back into test Personnel, the Analysis of Abnormal State is carried out by tester.
- 7. it is used for the pulse test method of vehicle-carrying display screen as claimed in claim 6, it is characterised in that：Also include following step Suddenly：S05 carries out touch durability test to vehicle-carrying display screen.
- 8. it is used for the pulse test method of vehicle-carrying display screen as claimed in claim 7, it is characterised in that：Described touch durability test specifically includes：A. host computer communicates with impulse mechanism, and control impulse mechanism produces required during vehicle-carrying display screen normal work Level, drive vehicle-carrying display screen normal work；B. PC control touch control mechanism, simulation actual use, it is dynamic to perform touch in the touch feedback area of vehicle-carrying display screen Make；C. after performing touch action, host computer is acquired to the functional status of vehicle-carrying display screen and feeds back host computer；D. host computer judges whether the touch function of now vehicle-carrying display screen is normal for the situation of feedback；Carried out down when normal The test of one parameter；When abnormal, next step is performed；F. maintain existing parameter to continue to output by PC control impulse mechanism, and abnormality is fed back into test Personnel, the Analysis of Abnormal State is carried out by tester.
- 9. the pulse test method for vehicle-carrying display screen as described in claim any one of 6-8, it is characterised in that：Using Monitoring collection mechanism is acquired to the image information of vehicle-carrying display screen and feeds back to host computer.
- 10. it is used for the pulse test method of vehicle-carrying display screen as claimed in claim 9, it is characterised in that：Judge whether normal The step of specifically include：Gather display picture during vehicle-carrying display screen normal work in advance by monitoring collection mechanism, and feed back to host computer, it is upper Machine is handled according to the display picture information of feedback and records the pattern contour of now display picture, color and brightness；The collection of monitoring collection mechanism have received the display picture of the vehicle-carrying display screen by test and feed back to host computer, host computer The display picture when display picture and normal work that are obtained according to feedback is contrasted, and judges whether vehicle-carrying display screen is normal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711043038.7A CN107703395A (en) | 2017-10-31 | 2017-10-31 | A kind of pulse test system and method for testing for vehicle-carrying display screen |
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| CN201711043038.7A CN107703395A (en) | 2017-10-31 | 2017-10-31 | A kind of pulse test system and method for testing for vehicle-carrying display screen |
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| CN108874605A (en) * | 2018-06-29 | 2018-11-23 | Oppo广东移动通信有限公司 | Display screen test method, device, electronic equipment and storage medium |
| CN108918991A (en) * | 2018-05-17 | 2018-11-30 | 中科创达软件股份有限公司 | A kind of car electrics power supply changes automatization test system and its test method |
| CN112614452A (en) * | 2020-12-25 | 2021-04-06 | 惠州市德赛西威汽车电子股份有限公司 | Display screen stability testing method and device based on LabVIEW and storage medium |
| CN113702726A (en) * | 2020-05-21 | 2021-11-26 | 株洲中车时代电气股份有限公司 | Automatic testing device and method for vehicle-mounted display |
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