CN102104792B - Control system and method for signal test of video image array - Google Patents
Control system and method for signal test of video image array Download PDFInfo
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- CN102104792B CN102104792B CN200910311817XA CN200910311817A CN102104792B CN 102104792 B CN102104792 B CN 102104792B CN 200910311817X A CN200910311817X A CN 200910311817XA CN 200910311817 A CN200910311817 A CN 200910311817A CN 102104792 B CN102104792 B CN 102104792B
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Abstract
The invention provides a control system for a signal test of a video image array, which comprises a configuration module, a signal channel selector control module and a digital oscillometer control module. The configuration module is used for configuring a connection path and the connection time of respective video image array signals to be tested in a test period; the signal channel selector control module is used for controlling the connection of an input channel and an output channel of a signal channel selector to form the path, wherein the image array signal to be tested is input to a digital oscillometer through the path; and the digital oscillometer control module is used for sending a control signal to the digital oscillometer to start the digital oscillometer and analyzing the image array signal to be tested, which is input to the digital oscillometer, so as to obtain test analysis data of the image array signal to be tested. When the control system is implemented, the testing efficiency of the video image array signal can be improved.
Description
Technical field
The present invention relates to the picture signal field tests, relate in particular to signal test of video image array control system and method.
Background technology
At video image array (Video Graphics Array, VGA) in signal testing, the signal of required measurement has five (H Sync, V Sync, R, G and B), and tester generally adopts digital oscilloscope, the signal probe that right digital oscilloscope provides only has four, and the signal probe that each test all needs the tester to change digital oscilloscope accesses the signal of required test.There is following shortcoming in this test control method:
(1) need the tester at the other signal probe of changing digital oscilloscope of determinand, to access the signal of required measurement, cause human cost increase and testing efficiency low;
(2) signal probe of replacing digital oscilloscope has been accelerated the wearing and tearing of the signal probe of digital oscilloscope.
Summary of the invention
In view of above content is necessary to provide a kind of signal test of video image array control system.This system operates in computer, and described computer is connected with digital oscilloscope, signalling channel selector.This system comprises: configuration module, and be used to configuring the path parameter of each video image array signal to be measured in the test period, described path parameter comprises I/O channel and the connect hours of the signalling channel selector of each measured signal process; Signalling channel selector control module, connect for input channel and output channel according to above-mentioned path parameter control signal channel to channel adapter, makes each video image array signal to be measured input to digital oscilloscope via this connection; And digital oscilloscope control module, for within the connect hours of each video image array signal to be measured, to digital oscilloscope, sending control signal, start the testing image array signal that the digital oscilloscope analysis inputs to digital oscilloscope, obtain the testing and analysis data of all testing image array signals.
In view of above content also is necessary to provide a kind of signal test of video image array control method.The method comprises: (a) configure the path parameter of each video image array signal to be measured in the test period, described path parameter comprises I/O channel and the connect hours of the signalling channel selector of each measured signal process; (b) according to input channel and the output channel of above-mentioned path parameter control signal channel to channel adapter, connect, make each video image array signal to be measured input to digital oscilloscope via this connection; (c) within the connect hours of each video image array signal to be measured, to digital oscilloscope, send control signal, start the testing image array signal that the digital oscilloscope analysis inputs to digital oscilloscope, obtain the testing and analysis data of all video image array signals to be measured.
By signal test of video image array control system provided by the invention and method, reduced the wearing and tearing of the signal probe of digital oscilloscope, improved the testing efficiency of video image array signal.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the applied environment of signal test of video image array control system of the present invention.
Fig. 2 is the signalling channel selector comprises in this preferred embodiment input channel and the schematic diagram of output channel.
Fig. 3 is an object lesson of the path parameter of each video image array signal to be measured.
Fig. 4 is the flow chart of signal test of video image array control method of the present invention.
Embodiment
As shown in Figure 1, be the schematic diagram of the applied environment of signal test of video image array control system of the present invention.The flow direction of video image array signal to be measured is in test process: video image array signal to be measured is from determinand 10, and described determinand 10 is electronic equipments that any needs carry out signal test of video image array.Above-mentioned video image array signal to be measured inputs to signalling channel selector 20 via the input channel of signalling channel selector 20, output channel via signalling channel selector 20 exports digital oscilloscope 30 to again, and described signalling channel selector 20 has five input channels and four output channels of program-controlled connection.
Consulting shown in Figure 2ly, is signalling channel selector 20 comprises in this preferred embodiment input channel and the schematic diagram of output channel.In figure, signalling channel selector 20 comprises five input channels and four output channels.Described five input channels comprise the first input channel, the second input channel, the 3rd input channel, the 4th input channel and the 5th input channel.Described four output channels comprise the first output channel, the second output channel, the 3rd output channel and the 4th output channel.Described five input channels are for accessing five video image array signals to be measured of determinand, as shown in Figure 2, five of determinand video image array signal H Sync to be measured, V Sync, R, G and B access respectively the first input channel, the second input channel, the 3rd input channel, the 4th input channel and the 5th input channel.Described four output channels are for being connected with four signal probes of digital oscilloscope 30.As shown in Figure 2, four output channels are connected with first signal probe, secondary signal probe, the 3rd signal probe and the 4th signal probe of digital oscilloscope 30 respectively.Described digital oscilloscope 30 is be used to analyzing video image array signal, and 30 pairs of above-mentioned video image array signals of this digital oscilloscope obtain testing and analysis data after analyzing, and finally this testing and analysis data is read into computer 40.This signal test of video image array control system 100 (hereinafter to be referred as this system 100) runs on computer 40, and this system 100 comprises:
Configuration module 401, for after testing equipment connection work completes, configure the path parameter of each video image array signal to be measured in the test period, described path parameter comprises I/O channel and the connect hours of the signalling channel selector 20 of each measured signal process.Described testing equipment connection work is by five input channels of the corresponding access of five the video image array signals signalling channel selector 20 of determinand 10 outputs; Four output channels of signalling channel selector 20 are connected with four signal probes of digital oscilloscope 30.Please refer to shown in Figure 3ly, is an object lesson of the path parameter of each video image array signal to be measured.
Signalling channel selector control module 402, connect for input channel and output channel according to above-mentioned path parameter control signal channel to channel adapter 20, makes each video image array signal to be measured input to digital oscilloscope via this connection.For example, the first input channel of signalling channel selector 20 is connected with the first output channel of signalling channel selector 20, the 5th input channel of signalling channel selector 20 is connected with the first output channel of signalling channel selector 20.
Digital oscilloscope control module 403, for within the connect hours of each video image array signal to be measured, to digital oscilloscope 30, send control signal and start the testing image array signal that digital oscilloscope 30 analyses input to digital oscilloscope 30, obtain the testing and analysis data of all testing image array signals.
Described digital oscilloscope control module 403 is also for after completing a test period, from digital oscilloscope 30, reading in the testing and analysis data of all testing image array signals.
Message processing module 404, generate the test report of this signal test of video image array for the testing and analysis data according to above-mentioned all testing image array signals that read in.
As shown in Figure 4, be the flow chart of signal test of video image array control method of the present invention.
Step S402, preparation process, by five input channels of five video image array signal access signalling channel selectors 20 of determinand 10 outputs.Four output channels of signalling channel selector 20 are connected with four signal probes of digital oscilloscope 30.As shown in Figure 2, five video image array signal H Sync to be measured, V Sync, R, G and B access respectively the first input channel, the second input channel, the 3rd input channel, the 4th input channel and the 5th input channel.Described four output channels are for being connected with four signal probes of digital oscilloscope 30.As shown in Figure 2, four output channels are connected with first signal probe, secondary signal probe, the 3rd signal probe and the 4th signal probe of digital oscilloscope 30 respectively.
Step S404, by the path parameter of each video image array signal to be measured in configuration module 401 configuration test period, described path parameter comprises I/O channel and the connect hours of the signalling channel selector 20 of each measured signal process.Described testing equipment connection work is by five input channels of the corresponding access of five the video image array signals signalling channel selector 20 of determinand 10 outputs; Four output channels of signalling channel selector 20 are connected with four signal probes of digital oscilloscope 30.Please refer to shown in Figure 3ly, is an object lesson of the path parameter of each video image array signal to be measured.
Step S406, signalling channel selector control module 402 connects according to input channel and the output channel of above-mentioned path parameter control signal channel to channel adapter 20, makes each video image array signal to be measured input to digital oscilloscope via this connection.For example, the first input channel of signalling channel selector 20 is connected with the first output channel of signalling channel selector 20, the 5th input channel of signalling channel selector 20 is connected with the first output channel of signalling channel selector 20.
Step S408, digital oscilloscope control module 403 is within the connect hours of each video image array signal to be measured, to digital oscilloscope 30, send control signal and start the testing image array signal that digital oscilloscope 30 analyses input to digital oscilloscope 30, obtain the testing and analysis data of all testing image array signals.
Step S410, after a test period completed, digital oscilloscope control module 403 was from reading in the testing and analysis data of all testing image array signals digital oscilloscope 30.
Step S412, message processing module 404 generate the test report of this signal test of video image array according to above-mentioned testing and analysis data of reading in.
Finally it should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (10)
1. signal test of video image array control system, this system operates in computer, and described computer is connected with digital oscilloscope, signalling channel selector, it is characterized in that, and this system comprises:
Configuration module, for configuring the path parameter of each video image array signal to be measured in the test period, described path parameter comprises I/O channel and the connect hours of the signalling channel selector of each measured signal process, wherein, have the output channel of signalling channel selector of two measured signal processes identical, and stagger sequentially the time that the input channel of these two measured signal processes and output channel connect;
Signalling channel selector control module, connect for input channel and output channel according to above-mentioned path parameter control signal channel to channel adapter, makes each video image array signal to be measured input to digital oscilloscope via this connection;
The digital oscilloscope control module, for within the connect hours of each video image array signal to be measured, to digital oscilloscope, sending control signal, start the testing image array signal that the digital oscilloscope analysis inputs to digital oscilloscope, obtain the testing and analysis data of all testing image array signals.
2. signal test of video image array control system as claimed in claim 1, it is characterized in that, described digital oscilloscope control module is also for after completing a test period, from digital oscilloscope, reading in the testing and analysis data of all testing image array signals.
3. signal test of video image array control system as claimed in claim 2, it is characterized in that, this system also comprises message processing module, for the testing and analysis data according to above-mentioned all testing image array signals that read in, generates the test report of this video image array signal.
4. signal test of video image array control system as claimed in claim 1, is characterized in that, described signalling channel selector comprises five input channels and four output channels of program-controlled connection.
5. signal test of video image array control system as claimed in claim 4, it is characterized in that, described video image array signal to be measured has five, these five video image array signals to be measured are connected with five input channels of described signalling channel selector respectively, and four output channels of described signalling channel selector are connected with four signal probes of digital oscilloscope respectively.
6. a signal test of video image array control method, is characterized in that, the method comprises:
(a) configure the path parameter of each video image array signal to be measured in the test period, described path parameter comprises I/O channel and the connect hours of the signalling channel selector of each measured signal process, wherein, have the output channel of signalling channel selector of two measured signal processes identical, and stagger sequentially the time that the input channel of these two measured signal processes and output channel connect;
(b) according to input channel and the output channel of above-mentioned path parameter control signal channel to channel adapter, connect, make each video image array signal to be measured input to digital oscilloscope via this connection;
(c) within the connect hours of each video image array signal to be measured, to digital oscilloscope, send control signal, start the testing image array signal that the digital oscilloscope analysis inputs to digital oscilloscope, obtain the testing and analysis data of all video image array signals to be measured.
7. signal test of video image array control method as claimed in claim 6, is characterized in that, in step (c), also comprises afterwards step:
(d) after a test period completes, from digital oscilloscope, reading in the testing and analysis data of all testing image array signals.
8. signal test of video image array control method as claimed in claim 7 also comprises step afterwards in step (d):
(e) according to the testing and analysis data of reading in, generate the test report of this signal test of video image array.
9. signal test of video image array control method as claimed in claim 6, is characterized in that, described signalling channel selector comprises five input channels and four output channels of program-controlled connection.
10. signal test of video image array control method as claimed in claim 9, it is characterized in that, described video image array signal to be measured has five, these five video image array signals to be measured are connected with five input channels of described signalling channel selector respectively, and four output channels of described signalling channel selector are connected with four signal probes of digital oscilloscope respectively.
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| CN103207367B (en) * | 2012-01-13 | 2015-05-20 | 迈普通信技术股份有限公司 | Multi-path signal testing method, system and device for printed board |
| CN103376380B (en) * | 2013-07-04 | 2016-12-28 | 曙光信息产业(北京)有限公司 | A kind of test system and method |
| CN105979257B (en) * | 2016-05-17 | 2018-06-26 | 京东方科技集团股份有限公司 | A kind of VGA signal measurement apparatus and method |
| CN106851265B (en) * | 2017-03-28 | 2018-09-04 | 深圳市九洲电器有限公司 | Multi-tuner set-top box produces detection method and system |
| CN109068132B (en) * | 2018-08-22 | 2020-05-12 | 广州视源电子科技股份有限公司 | VBO display interface test method, device, equipment and storage medium |
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