CN103941112B - System and method for detecting multiple image signals - Google Patents
System and method for detecting multiple image signals Download PDFInfo
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- CN103941112B CN103941112B CN201310067797.2A CN201310067797A CN103941112B CN 103941112 B CN103941112 B CN 103941112B CN 201310067797 A CN201310067797 A CN 201310067797A CN 103941112 B CN103941112 B CN 103941112B
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Abstract
The invention relates to a detection system and a detection method of multiple image signals, which are used for detecting a display card to be detected. The detection system comprises a detection tool, a test host, a display module and an image acquisition module. The detection tool comprises an electrical slot and an output switcher. Each electrical terminal of the display card to be tested is electrically connected with the corresponding ports respectively. The test host transmits a test signal to the display card to be tested through the test software. The output switcher guides each electrical terminal to output the image signal correspondingly. The display module correspondingly presents a test picture of the display card to be tested on each electrical terminal. The image capturing module captures each test picture and converts the test pictures into a plurality of test information. The test host respectively compares each test information with each display information and correspondingly judges whether each electrical terminal is normal, so that the multi-image signal detection system and the detection method thereof can detect different electrical terminals of the display card to be detected at one time.
Description
【Technical field】
The present invention relates to a kind of detecting system and its detection method, particularly one kind can disposably automatic detection it is to be measured aobvious
Block the whether normal multiple video signals detecting system of imaging function and its detection method of each electric terminal.
【Background technology】
With Display Technique and the continuous progress of hardware science and technology, constantly pushed away applied to the display function in computer system old
Go out new.Such as three-dimensional (3D) three-dimensional imaging, the true image simulation of plan, or even the function such as real-time imaging acquisition and combined imaging is not
Standard specification that is disconnected to be developed, and receiving as widely consumer.Due to consumer's wanting for computer system display function
Continuous lifting is asked, the display interface that video card is supported also no longer is only limitted to simple static image and shown.Current video card is necessary
Possesses dynamic and display interface that three-dimensional (3D) stereopsis is shown, therefore presently commercially available video card is integrated with video signal figure mostly
Figurate number group (Video Graphics Array, VGA) interface, digital video interface (Digital Visual Interface,
) and clear degree multimedia interface (High Definition Multimedia Interface, HDMI) etc. the difference of high image quality DVI
The multiple display interface of image and audio function.
Described in brought forward, in order to ensure the quality of video card, faulty materials are avoided to come into the market, video card manufacturer generally dispatches from the factory in video card
The preceding various display interfaces that can be all directed to adapter outward appearance, each connection terminal and video card carry out QC and detection.Commonly use at present
Detection mode all detects video card one by one in a manual manner, and testing staff is sequentially electrically connected with detection instrument test each of video card
Whether connecting terminal is normal.Testing staff is completed after being electrically connected with the detection program of terminal for the one of video card, it is necessary to is restarted
Detecting system, then another electric connection terminal of video card is electrically connected in calculation machine manually via testing staff, side
It can be detected for another electric connection terminal of video card.Start is electrically plugged due to foregoing repetition, causes overall inspection
Flow gauge is very slow, while also takes a lot of work very much.
In addition, in general video card testing process, testing staff is generally in visual examination video card difference display interface
Whether phase, color range and the color saturation of existing picture meet standard.If testing staff has found the electricity connection end of video card
Son is abnormal, or phase, color range and the color saturation of different display interfaces presentation picture are not inconsistent standardization, then detect people
Member judges this video card for faulty materials, that is, video card must be repaired or must not sold.
However, not only spacious day is time-consuming for these modes for being detected item by item manually, and every video card must be tested
Project it is very more, therefore obviously do not have efficiency manually.In addition, because tester in test process all with naked eyes
Judged, so since erroneous judgement causes faulty materials to be not detected among out, or it is the machine that normal product are judged as faulty materials
Can be also quite high, production cost and the in the future increase of maintenance cost are caused indirectly.Therefore the effect of video card testing process how is lifted
Rate, and have detection accuracy concurrently simultaneously, and then reduce production and in the future maintenance cost, it has also become the important topic of manufacturer.
【The content of the invention】
In view of the above problems, the invention reside in one kind is provided being capable of disposable each electric terminal of automatic detection video card to be measured
The whether normal multiple video signals detecting system of imaging function and its detection method, so as to which the detection mode for solving to commonly use all must
It is whether normal that the artificial each electric connection terminal for detecting video card one by one must be dependent on, cause overall testing process very spacious day to be given up
When the problem of.
In addition, the present invention method of testing that also solves to commonly use all visually to be judged, causes to judge probability by accident and remained high,
The defects of causing production cost and the in the future increase of maintenance cost indirectly.
The present invention provides a kind of detecting system of multiple video signals, to detect a display adapter to be measured, wherein to be measured
Video card has the multiple electric terminals for supporting different display interfaces.Detecting system includes a detection tool, a test main frame, one
Display module and an image acquisition module.Video card to be measured is electrically inserted in test main frame, and test main frame stores a detection
Software and video card to be measured are in multiple display informations of each display interface；Detection tool is electrically connected at test main frame, and detection is controlled
Tool includes an electrical slot and an output switch；Wherein electrical slot has multiple ports, video card to be measured it is each electrically
Terminal is electrically connected in corresponding each port；Output switch is electrically connected at port, output switch guide end
Mouth one image signal of an output therein.Wherein, test main frame by the detection signal of inspection software transmission one to video card to be measured, according to
Sequence tests each electric terminal of video card to be measured, and detection tool guides each electric terminal by output switch and corresponds to image output news
Number.Display module is electrically connected at measurement jig, and display module receives image signal, and corresponding presentation video card to be measured is in each electrical
The test pictures of terminal.Image acquisition module is electrically connected at test main frame, and image acquisition module captures display module respectively
Each test pictures, and multiple test information backs are converted to test main frame, test main frame is compared respectively respectively by inspection software
Information and each display information are tested, and corresponds to and judges whether each electric terminal of video card to be measured and each display interface are normal.
In a preferred embodiment, display information is to be inserted in a standard shows adapter of electrical slot according to detection
The image signal of the corresponding output of signal.
In a preferred embodiment, test main frame is compared in each test information and each display information respectively by inspection software
Each image coordinate value and three primary colors numerical value.
In a preferred embodiment, image acquisition module is the test pictures of continuous acquisition display module respectively, and changes
It is test information back to test main frame, test main frame is coincided test information by inspection software, and contrastive test information and aobvious
Show that whether information overlaps.
In a preferred embodiment, inspection software also has a test interface, and test main frame sets aobvious via test interface
Show module and image acquisition module, and test main frame via test interface in display module present video card to be measured electric terminal or
Whether each display interface is normal.
Corresponding foregoing detecting system, the present invention additionally provides a kind of detection method of multiple video signals, including following step
Suddenly：A video card to be measured is electrically plugged in an electrical slot, make video card to be measured multiple electric terminals be electrically connected at corresponding to it is more
Individual port；With the detection signal of inspection software transmission one of a test main frame to video card to be measured, each of video card to be measured is sequentially tested
Electric terminal, detect tool and one image signal of each electric terminal output is guided by output switch；With a display module root
It is corresponding that video card to be measured is presented in the test pictures of each electric terminal according to image signal；Captured respectively with an image acquisition module aobvious
Show the test pictures of module, and be converted to multiple test information backs to test main frame；It is and soft by the detection of test main frame
Part sequentially compares each test information and multiple display informations of test main frame storage, if respectively test information is consistent with each display information
Close, judge that the display interface of video card to be measured is normal；If respectively test information is not met with each display information, the aobvious of video card to be measured is judged
Show interface exception.
In a preferred embodiment, each test information is sequentially compared by the inspection software of test main frame to store up with test main frame
The step of each display information deposited, includes：Test main frame is to compare each test information and the coordinate value of each image in each display information
And three primary colors numerical value；And if the coordinate value and three primary colors numerical value of each test each image of information are consistent with each display information, sentence
The display interface of disconnected video card to be measured is normal；If respectively the coordinate value of test each image of information and three primary colors numerical value and each display information are not
Unanimously, then judge that the display interface of video card to be measured is abnormal.
In a preferred embodiment, foregoing multiple detection method is further comprising the steps of：It is continuous with image acquisition module
The test pictures of display module are captured, and are converted to test information back to test main frame；And test main frame is soft by detecting
Part, which coincides, tests information；And whether test main frame contrastive test information and display information overlap, if test information is believed with display
Breath overlaps completely, then judges that the display interface of video card to be measured is normal；If test information not exclusively overlaps with display information, judge
The display interface of video card to be measured is abnormal.
In a preferred embodiment, display information is to be inserted in a standard shows adapter of electrical slot according to detection
The image signal of the corresponding output of signal, and it is stored in detecting host.
In a preferred embodiment, foregoing multiple detection method is further comprising the steps of：Test main frame is soft via testing
The test interface setting brightness of display module of part, saturation degree and comparative, and the focal length of image acquisition module, brightness,
Aperture and image capture time.
In a preferred embodiment, foregoing multiple detection method is further comprising the steps of：The inspection software of test main frame
The display interface of video card to be measured is presented as normally or extremely in display module via a test interface.
The effect of of the invention, is, corresponds to multiple ports of each electric terminal of video card to be measured on tool by detecting, detection
Main frame can sequentially detect image signal caused by each electric terminal, and the output switch by detecting tool guides respectively
Foregoing image signal is to display module.Therefore testing staff restarting systems and needn't pull out after each electric terminal is detected
Insert another electric terminal.The detecting system of the present invention is capable of each electricity of disposable each display interface of automatic detection video card to be measured support
Property terminal it is whether normal, so as to reduce the burden of testing staff, and significantly shorten the time of video card testing process, and then help
In the shipment efficiency of increase product.
In addition, each test by the way that each electric terminal output of video card to be measured is presented in detecting system of the present invention with display module
Picture, and each test pictures are captured by image acquisition module, test signal is converted to, detection main frame is surveyed via comparison
Signal and the built-in display information for standard video card are tried, the corresponding each electric terminal for judging video card to be measured and corresponding display connect
Whether mouth is normal.The present invention, with the determining program of visual examination, helps to reduce with image acquisition module and detection main frame substitution
The burden of testing staff, and the probability of erroneous judgement is reduced, so as to lift the QC of whole detection flow, increase the yield and drop of product
Maintenance cost after low day.
Feature, implementation and effect for the present invention, schema is hereby coordinated to make most preferred embodiment detailed description as follows.
【Brief description of the drawings】
Fig. 1 is the stereogram of detecting system of the present invention.
Fig. 2 is the component diagram of detecting system of the present invention.
Fig. 3 is provided the step flow chart of detection method by first embodiment of the invention.
Fig. 4 is provided the schematic diagram of detection method by first embodiment of the invention.
Fig. 5 is provided the step flow chart of detection method by second embodiment of the invention.
Fig. 6 A are provided the schematic diagram of detection method by second embodiment of the invention.
Fig. 6 B are provided the schematic diagram of detection method by second embodiment of the invention.
Primary clustering symbol description：
10 detecting systems 101 detect tool
The 1011 electrical ports of slot 1012,1013,1014
The test main frame of 1015 output switch 102
The image acquisition module of 103 display module 104
20 electric terminals of video card 22,23,24 to be measured
【Embodiment】
As shown in Figures 1 and 2, the embodiment of the detecting system 10 of multiple video signals of the present invention, it is to be measured aobvious to detect one
Card 20.Video card 20 to be measured has the multiple electric terminals 22,23,24 for supporting different display interfaces, electric terminal described herein
It is including but not limited to visual graphic array (Video Graphics Array, VGA), Digital Video Interface (Digital
Visual Interface, DVI) and clear degree multimedia interface (the High Definition Multimedia of high image quality
Interface, HDMI) the different electrical signals ports such as display port (Display Port, DP) to be to be presented different images and sound
The display interface of sound function.
The detecting system 10 of one embodiment of the invention includes a detection tool 101, a test main frame 102, one shows mould
The image acquisition module 104 of block 103 and one.
As shown in Fig. 2 detection tool 101 includes an electrical output switch 1015 of slot 1011 and one.Electrically insert
Groove 1011 has multiple ports 1012,1013,1014；Port 1012,1013,1014 described herein is corresponding video card 20 to be measured
Each electric terminal 22,23,24.Illustrate：Port A 1012 is corresponding HDMI electric terminals A 22 counterpart port；Port
B 1013 is corresponding VGA electric terminals B 23 counterpart port, and is not limited.When video card 20 to be measured is detected, respectively
Electric terminal 22,23,24 is electrically connected in corresponding each port 1012,1013,1014.
Described in brought forward, output switch 1015 is electrically connected at port 1012,1013,1014, and output switch 1015 has
The function of signal switching, with guider port 1012,1013,1014 image output signals therein.For ease of the more of the present invention
Re-detection system 10 detects different video cards simultaneously, and sequentially or concurrently detects the different detection projects of video card, of the invention
Output switch 1015 can use multiple display converter (KVM) to reach the purpose of video card multitask detection.
In addition, video card 20 to be measured is electrically inserted in test main frame 102.Test main frame 102 store an inspection software and
Each model video card is in multiple display informations of each display interface.Inspection software is to carry out video card detection for detecting system 10
On the way, this inspection software has a test interface.Test main frame 102 sets various detection functions and program through thus test interface,
Display brightness, screen resolution, saturation degree, contrast, tone and picture switching time including display module 103 etc. are different
Image shows that the image captures such as focal length, resolution ratio, aperture time or the aperture size of variable and image acquisition module 104 become
Amount.
Meanwhile video card to be measured is presented in display module 103 via test interface in test main frame 102 in subsequent detection flow
Whether 20 is normal, so that tester is confirmed.
Display information described herein is for image signal of each model standard video card according to the corresponding output of detection signal, example
If video card is in the normal images picture of each display interface (VGA, DVI or HDMI), a standard video card is plugged in inspection by testing staff
Image signal caused by measurement fixture 101, and test main frame 102 is stored in, carry out video card 20 to be measured with for test main frame 102
Display interface detection or comparison purposes.
Described in brought forward, in this detecting system 10, test main frame 102 detects signal by inspection software transmission one, sequentially
Each electric terminal 22,23,24 of video card 20 to be measured is tested, detection tool 101 guides each electrically end by output switch 1015
Sub 22,23,24 corresponding image output signals.Display module 103 receives image signal, and corresponding presentation video card 20 to be measured is in each aobvious
Show the test pictures of interface, that is, each aobvious of video card 20 to be measured is presented in display module 103 by inspection software in test main frame 102
Show the different test pictures of interface.
In the present embodiment, the detection signal of test main frame 102 is each electric terminal 22,23,24 for controlling video card to be measured
Test pictures of different shapes are presented with three primary colors in output, and the color block or shape that right test pictures are presented can be according to detections
Demand, voluntarily adjusted and changed by this area person, and be not limited.
In addition, as shown in Fig. 2 image acquisition module 104 is electrically connected at test main frame 102.Image acquisition module 104 wraps
Include but be not limited to digital camera, camera or the picture that is built into inside test main frame 102 capture Software tool, this area person can
Voluntarily change and adjust.It is right in the detection process of video card for example, if image acquisition module 104 is digital camera
Accurate foregoing display module 103, captures each test pictures of display module 103 respectively, and is converted to multiple test information backs
To test main frame 102.Test information described herein is to capture the test of display module 103 via image acquisition module 104
Picture, for the use that test main frame 102 is compared and judged with the display information of internal memory, its detailed detection process, hold invention
People is described in detail in subsequent paragraph.
It is worth noting that, in embodiment involved in the present invention, display module 103 and image acquisition module 104
Number be not limited with one group, detection efficiency such as to be lifted, the detecting system 10 of the present embodiment can be provided with multigroup aobvious simultaneously
Show module 103 and image acquisition module 104, to be presented and capture multigroup test information simultaneously, therefore test main frame 102 can
Selectivity is carried out item by item or synchronous detection for the different display interfaces of video card 20 to be measured.
As shown in figure 3, when tester is with the detection side of implementation the present embodiment of Multiple detection system 10 of first embodiment
During method, video card 20 to be measured is electrically plugged in electrical slot 1011, makes each electric terminal 22,23,24 of video card 20 to be measured electric respectively
Property be connected to corresponding to port 1012,1013,1014 (S101)；Then, with the inspection software transmission detection news of test main frame 102
Number to video card 20 (S105) to be measured.
Secondly, each electric terminal 22,23,24 (S110) of video card 20 to be measured is sequentially tested according to detection signal, and passed through
Output switch 1015 guides each electric terminal 22,23,24 and exports different image signals (S115), and transmits image signal extremely
Display module 103.
Secondly, display module 103 is corresponding that video card 20 to be measured is presented in each electric terminal 22,23,24 according to image signal
Test pictures (S120).Image acquisition module 104 captures the test pictures of display module 103 respectively, and is converted to multiple tests
Information back is to test main frame 102 (S125), and in other words, test main frame 102 is captured to be measured aobvious by image acquisition module 104
Block 20 each electric terminals 22,23,24 to export, be presented in the image signal of display module 103.
As in the previous paragraph, for increase detection efficiency, display module 103 and image acquisition module involved by the present embodiment
104 number can be according to the corresponding increase of display interface number or adjustment of video card 20 to be measured, to reach while be directed to different displays
The purpose that interface is detected, inventor do not repeat herein.
Thereafter, as shown in figure 4, the inspection software of test main frame 102 sequentially compare it is each test information stored up with test main frame 102
The multiple display informations deposited, such as the inspection software of test main frame 102 are sequentially compared in each test information and each display information respectively
The coordinate value and three primary colors numerical value (S130) of image；By judging that each electric terminal 22,23,24 of video card 20 to be measured is presented aobvious
Show whether interface there are the abnormal problems such as aberration or pixel-shift, so as to judge whether the display interface of video card to be measured is normal.
If respectively the coordinate value of each image of test information and three primary colors numerical value are consistent with the respectively display information, video card to be measured
20 each electric terminal 22,23,24 is normal.For example, red circular A and red circular in display information in test information
D coordinate value is all identical with three primary colors numerical value, while tests the seat of the square B of blueness and the square E of blueness in display information in information
Scale value is all identical with three primary colors numerical value, and tests the three primary colors numerical value of F around C and display information Green around information Green
Also identical, then test main frame 102 judges that the display interface of video card 20 to be measured is normal (S135), the inspection software of test main frame 102
Each electric terminal 22,23,24 of video card 20 to be measured is presented as normally (S140) in display module 103 via test interface.
On the contrary, if respectively test information and each display information are inconsistent, judge that the display of the display adapter to be measured connects
It is mouthful abnormal, such as red circular A and red circular D coordinate value in display information and three primary colors numerical value not phase in test information
Together, or in test information the square B of blueness and the square E of blueness in display information coordinate value differ with three primary colors numerical value, or
It is that the three primary colors numerical value for testing C and F around display information Green around information Green differs, then judges video card 20 to be measured
Display interface it is abnormal (S145), then it represents that the electric terminal possible breakdown of this display interface, the inspection software of test main frame 102
It is failure that the corresponding electric terminal 22,23 or 24 of video card 20 to be measured its one, which is presented, in display module 103 via test interface
(S150), it is necessary to carry out follow-up maintenance and carry out same test again or be directly judged as faulty materials.
In this way, this implementation can compare the seat of each image in each test information and each display information by test main frame 102
Whether scale value and three primary colors numerical value, each display interface of automatic decision video card 20 to be measured have aberration or pixel-shift etc. to ask extremely
Topic, so as to infer it is each corresponding to electric terminal 22,23,24 whether failure.Test main frame 102 is simultaneously presented by display module 103
Testing result, so that testing staff notes down, or it is embedded in database by test main frame 102, is subsequently checked with profit automatically
And maintenance, with sharp follow-up adjustment and improve testing process.
It refer to Fig. 1,2 and 5, detecting system 10 and its detection method and the first embodiment substantially phase of second embodiment
Similar, its difference is, in the present embodiment, the detection signal of test main frame 102 is each electrically end of control video card 20 to be measured
Test pictures of the output of son 22,23,24 based on lines, the color block or shape that right test pictures are presented can be according to detections
Demand, voluntarily adjusted and changed by this area person, and be not limited.
In addition, the image acquisition module 104 of the present embodiment is the test pictures of continuous acquisition display module 103, and change
For test information back to test main frame 102.The test main frame 102 of the present embodiment is the above-mentioned test that coincided by inspection software
Information, and whether contrastive test information overlaps, to judge the test picture of each electric terminal 22,23,24 of video card 20 to be measured presentation
Whether face has jitter phenomenon, so as to judge whether each electric terminal 22,23,24 of video card 20 to be measured is normal.
The continuous test pictures for capturing display module 103 described herein are to capture 30 test pictures in continuous in 1 second
Image, and be converted to test information back to test main frame 102, and the present embodiment continuously captures the time of picture and number can be according to
Change, be not limited according to demand is corresponding.
Therefore, as shown in figure 5, in the detection method of the present embodiment, step S220 is interrogated with display module 103 according to image
Number, it is corresponding present video card 20 to be measured in the test pictures of each electric terminal 22,23,24 be based on lines, and step S225 with
Image acquisition module 104 continuously captures the test pictures of display module 103, and is converted to test information back to test main frame
102。
In addition, the detection method of the present embodiment test main frame 102 is the test information for coinciding foregoing by inspection software
(S230), whether the lines on the contrastive test information of test main frame 102 and each picture of display information overlap (S235), to judge to treat
Whether each display interface for surveying video card 20 is normal.
If the lines on each picture overlap completely as shown in Figure 6A, phenomenon of the display interface without shake is represented, therefore survey
Examination main frame 102 judges that the display interface of video card 20 to be measured is normal (S240), and the detection body of test main frame 102 is via test interface
The electric terminal 22,23,24 that video card 20 to be measured is presented in display module 103 is normal (S245).
Relatively, if the lines on each picture do not overlap completely as shown in Figure 6B, or it is the phenomenon that lines have overstriking,
Represent that the lines of every image are slightly different and have the phenomenon of shake, therefore judge that the display interface of video card 20 to be measured is abnormal
(S250), and the electric terminal of video card 20 to be measured is presented via test interface in display module 103 for the detection body of test main frame 102
22nd, 23,24 be abnormal (S255), it is necessary to carries out follow-up maintenance and carries out same test again or be directly judged as faulty materials.
In this way, this implementation can be compared by test main frame 102 in each test information continuously captured and each display information
Whether the lines of each image overlap, and whether each display interface of automatic decision video card 20 to be measured offsets or jitter phenomenon etc. is abnormal
Problem, so as to as first embodiment infer it is each corresponding to electric terminal 22,23,24 whether failure, and be in by display module 103
It is existing, so that testing staff notes down, or it is embedded in automatically in database by test main frame 102, is subsequently checked and repaired with profit,
With sharp follow-up adjustment and improve testing process.
It refer to Fig. 1 to Fig. 6 B, the detecting system 10 and its detection method combination first embodiment of 3rd embodiment are to survey
Try the coordinate value and three primary colors numerical value of each image in the contrastive test information of main frame 102 and display information, automatic decision video card to be measured
Whether 20 each display interface has the testing process of the abnormal problems such as aberration or pixel-shift, and second embodiment to test master
Whether lines overlap completely in the contrastive test information of machine 102 and display information, or are the phenomenon that lines have overstriking, automatic decision
Whether each display interface of video card 20 to be measured has the testing process of the abnormal problems such as picture skew or shake, and detailed step refer to
First embodiment and second embodiment, are not repeated herein, and therefore, the detection method of the present embodiment is compared to first embodiment and
Two embodiments are aobvious more accurate and comprehensive.
The detecting system and its detection method of the invention described above, disposably automatic detection video card to be measured it can be supported except foregoing
Whether normal each electric terminal of each display interface is, so as to the burden with reduction testing staff, and significantly shortens video card inspection
The time of flow gauge, so the advantages of help to increase the shipment efficiency of product outside, with can be by aobvious in detecting system of the present invention
Show that the different types of test pictures of each electric terminal output of video card to be measured are presented in module, and by image acquisition module with difference
Mode captures each test pictures, is converted to test signal, enables detection main frame with each in contrastive test information and display information
Whether the coordinate value and three primary colors numerical value of image, each display interface of automatic decision video card to be measured have aberration or pixel-shift etc. different
Chang Wenti, or whether overlapped completely with lines in contrastive test information and display information, or be that lines have showing for overstriking
As whether each display interface of automatic decision video card to be measured has the abnormal problems such as picture skew or shake, can more lead test
Machine is capable of detecting when whether each electric terminal of video card to be measured and corresponding display interface are normal, substitute the judgement with visual examination
Program, help to reduce the burden of testing staff, and reduce the probability of erroneous judgement, so as to lift the QC of whole detection flow, increase
Add the yield of product and reduce maintenance cost in the future.
Although embodiments of the invention are provided as described above, be so not limited to the present invention, any to be familiar with related art techniques
Person, without departing from the spirit and scope of the present invention, such as according to the shape described in the present patent application scope, construction, feature and number
Amount, which is worked as, can do a little change, therefore the scope of patent protection of the present invention must regard claim institute circle appended by this specification
The person of determining is defined.
Claims (7)
1. a kind of detecting system of multiple video signals, to detect a video card to be measured, supported not wherein the video card to be measured has
With multiple electric terminals of display interface, it is characterised in that the detecting system includes：
One test main frame, the video card to be measured are electrically inserted in the test main frame, and it is soft that the test main frame stores a detection
Part and the video card to be measured are passed in multiple display informations of each display interface, the test main frame by the inspection software
A detection signal is sent to the video card to be measured, sequentially tests each electric terminal of the video card to be measured；
One detection tool, including：One electrical slot, there is multiple ports, each electric terminal difference of the video card to be measured
It is electrically connected at corresponding each port；And an output switch, it is electrically connected at the port, the output switching
Device guides one image signal of one of the multiple port output；
One display module, the output switch is electrically connected at, the display module receives the image signal, and is in correspondingly
The existing video card to be measured is in the test pictures of each electric terminal；And
One image acquisition module, is electrically connected at the test main frame, and the image acquisition module continuously captures the display mould
Each test pictures of block, and multiple test information backs are converted to the test main frame；
Wherein, the test main frame compares each test information and each display information respectively by the inspection software,
And correspond to and judge whether each electric terminal of the video card to be measured and each display interface are normal；Wherein described display information is
It is inserted in image signal of the standard video card of the electrically slot according to the corresponding output of detection signal, the detection signal
It is that each electric terminal for controlling the video card to be measured exports test pictures based on lines.
2. detecting system as claimed in claim 1, it is characterised in that the test main frame is coincided institute by the inspection software
State test information, and compare it is described test information and the display information whether overlaps, with judge video card to be measured it is each electrically hold
Whether the test pictures that son is presented have jitter phenomenon, so as to judge whether each electric terminal of video card to be measured is normal.
3. detecting system as claimed in claim 1, it is characterised in that wherein described inspection software also has a test interface,
The test main frame sets the display module and the image acquisition module, and the test main frame via the test interface
Via the test interface in the display module present the video card to be measured the electric terminal or each display interface whether
Normally.
4. a kind of detection method of multiple video signals, it is characterised in that the detection method of the multiple video signals includes following step
Suddenly：
A video card to be measured is electrically plugged in an electrical slot, makes multiple electric terminals of the video card to be measured be electrically connected at correspondingly
Multiple ports；
With the detection signal of inspection software transmission one of a test main frame to the video card to be measured, the video card to be measured is sequentially tested
Each electric terminal；
Each electric terminal is guided by an output switch with a detection tool and exports an image signal；
The image signal is received with a display module, it is corresponding that the video card to be measured is presented in the test picture of each electric terminal
Face, the test pictures are based on lines；
The test pictures of the display module are continuously captured with an image acquisition module, and are converted to multiple test information backs extremely
The test main frame；And
Sequentially compare what each test information stored with the test main frame by the inspection software of the test main frame
Multiple display informations, if each test information is consistent with each display information, judge that the display of the video card to be measured connects
Mouth is normal；If each test information is not met with each display information, judge that the display interface of the video card to be measured is abnormal,
The display information is that the standard video card for being inserted in the electrically slot is interrogated according to the image of the corresponding output of detection signal
Number.
5. the detection method of multiple video signals as claimed in claim 4, it is characterised in that the detection method of the multiple video signals
It is further comprising the steps of：
The test main frame is coincided the test information by the inspection software；And
The test main frame compares the test information and whether the display information overlaps, to judge each electrical of video card to be measured
Whether the test pictures that terminal is presented have jitter phenomenon, so as to judge whether each electric terminal of video card to be measured is normal, if described
Multiple test information overlap completely with the display information, then judge that the display interface of the video card to be measured is normal；If the survey
Examination information not exclusively overlaps with the display information, then judges that the display interface of the video card to be measured is abnormal.
6. the detection method of multiple video signals as claimed in claim 4, it is characterised in that the detection method of the multiple video signals
It is further comprising the steps of：
The test main frame sets the brightness of the display module, saturation degree and right via a test interface of the inspection software
Than degree, and the focal length of the image acquisition module, brightness, aperture and image capture time.
7. the detection method of multiple video signals as claimed in claim 4, it is characterised in that the detection method of the multiple video signals
It is further comprising the steps of：
The video card to be measured is presented in the display module via a test interface in the inspection software of the test main frame
Display interface is normal or abnormal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102102132 | 2013-01-18 | ||
| TW102102132A TWI475237B (en) | 2013-01-18 | 2013-01-18 | Inspection system for mutiple image signals and inspection method thereof |
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| Publication Number | Publication Date |
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| CN103941112A CN103941112A (en) | 2014-07-23 |
| CN103941112B true CN103941112B (en) | 2017-12-15 |
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| TW (1) | TWI475237B (en) |
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| TWI565953B (en) * | 2014-12-26 | 2017-01-11 | 技嘉科技股份有限公司 | Display signal test fixture and test method |
| CN106713904A (en) * | 2016-12-20 | 2017-05-24 | 郑州云海信息技术有限公司 | VGA interface test method, apparatus and system |
| CN109298314B (en) * | 2018-09-21 | 2020-08-28 | 福建工程学院 | Circuit board port plugging life test system and method based on image processing |
| CN111526357B (en) * | 2020-04-14 | 2021-06-29 | 艾瑞思检测技术(苏州)有限公司 | Display card interface machine testing method based on PCA learning |
| US11355040B2 (en) * | 2020-11-11 | 2022-06-07 | Novatek Microelectronics Corp. | Method and test equipment for inspecting functionality of display device |
| CN112881888B (en) * | 2021-01-15 | 2022-11-22 | 苏州浪潮智能科技有限公司 | Testing device and method for VGA interface protection circuit of server display card |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7113880B1 (en) * | 2004-02-04 | 2006-09-26 | American Megatrends, Inc. | Video testing via pixel comparison to known image |
| CN100539715C (en) * | 2004-04-28 | 2009-09-09 | 广达电脑股份有限公司 | The test macro of portable electron device and method |
| CN100562134C (en) * | 2006-07-05 | 2009-11-18 | 珠海格力电器股份有限公司 | Test system and test method of digital display device |
| US20090144007A1 (en) * | 2007-11-29 | 2009-06-04 | Jose Moreira | System and method for electronic testing of devices |
| CN101515243A (en) * | 2008-02-21 | 2009-08-26 | 鸿富锦精密工业（深圳）有限公司 | Graphic display card test system and method |
| TW200939016A (en) * | 2008-03-14 | 2009-09-16 | Hon Hai Prec Ind Co Ltd | Testing system and method for video card |
| WO2009139774A1 (en) * | 2008-05-15 | 2009-11-19 | Hewlett-Packard Development Company, L.P. | Monitoring quality of video signals |
| TW201003089A (en) * | 2008-07-04 | 2010-01-16 | Hon Hai Prec Ind Co Ltd | Testing method for image showing function of an electronic device |
| TWI377354B (en) * | 2008-09-15 | 2012-11-21 | Himax Tech Ltd | Testing device and testing method for display |
| CN101727373A (en) * | 2008-10-16 | 2010-06-09 | 和硕联合科技股份有限公司 | Display card testing device and method |
| CN101996613B (en) * | 2009-08-20 | 2013-07-31 | 纬创资通股份有限公司 | Output testing method, system and platform of electronic device |
| TWM397528U (en) * | 2010-08-23 | 2011-02-01 | Maintek Comp Suzhou Co Ltd | Testing system for graphics card |
| TWI418816B (en) * | 2011-03-02 | 2013-12-11 | Nat Univ Chung Hsing | Error checking system for high resolution and high frequency image processing chip |
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| Publication number | Publication date |
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| TWI475237B (en) | 2015-03-01 |
| CN103941112A (en) | 2014-07-23 |
| TW201430362A (en) | 2014-08-01 |
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