CN203151680U - Single-board test system for digital-video-broadcasting (DVB) main board - Google Patents
Single-board test system for digital-video-broadcasting (DVB) main board Download PDFInfo
- Publication number
- CN203151680U CN203151680U CN 201220627882 CN201220627882U CN203151680U CN 203151680 U CN203151680 U CN 203151680U CN 201220627882 CN201220627882 CN 201220627882 CN 201220627882 U CN201220627882 U CN 201220627882U CN 203151680 U CN203151680 U CN 203151680U
- Authority
- CN
- China
- Prior art keywords
- dvb
- box
- mainboard
- veneer
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The utility model relates to a single-board test system for a digital-video-broadcasting (DVB) main board, which comprises a personal computer, an oscillograph, a multi-way switch box, a frame separator, a display screen, a load box and a radio-frequency (RF) television box. The personal computer is in switched-on connection with the oscillograph and is respectively connected with the multi-way switch box and a single DVB main board through two serial ports arranged on the personal computer. The input terminal of the multi-way switch box is connected with the output terminal of the load box and the output terminal of the single DVB main board. The audio output terminal and the video output terminal of the multi-way switch box are respectively connected with the input terminal of the oscillograph and the input terminal of the frame separator. The input terminal of the frame separator is connected with the output terminal of the RF television box, and the output terminal of the frame separator is connected with the display screen. Television signals are input to the load box and the RF television box, and the output terminals of both the load box and the RF television box are connected with the single DVB main board. By means of the system, all the functions of the DVB main board are tested uniformly. The single-board test system for the DVB main board is high in degree of automation, rapid in test operation, high in production efficiency, low in cost, high in both test precision and test accuracy, and lower in misjudgment rate.
Description
[technical field]
The utility model belongs to the mainboard technical field of measurement and test, relates in particular to a kind of DVB mainboard single board testing system that is applied to satellite communication field.
[background technology]
At present, the market of set-top box is more and more universal, product line is also more and more abundanter, in the intense market competition general layout, pursue certain profit, except the product that will develop in the forward position, market with strive for the big market share, also to enhance productivity and quality assurance at the production line of rear end, can provide more stable product guarantee and profit margin for company.Set-top box is as one of member of home entertaining multimedia platform, function is more and more abundanter, and technology becomes increasingly complex, to such an extent as to the complexity of the production of product and test is all constantly increasing, and current, the test on most product lines is treated to the master with manual operation and decentralized; Like this, reduced efficient on the one hand, the increase of mistake has on the one hand in addition increased the possibility of judging by accident in the middle of the product testing process.
The shortcoming of prior art mainly is present in the dispersiveness of product test system, the complexity of operation, problems such as inefficient and artificial erroneous judgement.
[utility model content]
In order to solve the above-mentioned technical problem that exists in the prior art, the utility model provides a kind of can do unified test to every function of DVB mainboard, adopt PC to substitute the manual operation part simultaneously, the automaticity height, test is quick, the time is short, not only enhance productivity but also save production cost, and test precision and accuracy height, reduce the DVB mainboard single board testing system of artificial False Rate.
The technical scheme that the prior art problem that solves the utility model adopts is:
A kind of DVB mainboard single board testing system includes:
One be equipped with testing software be used for each component devices of native system is carried out initialization control, and from described component devices, read, analyze it to the test data of DVB mainboard veneer, judge whether qualified PC of described DVB mainboard veneer;
One is used for and will selects to export the oscilloscope that voltage to be measured is measured by the variable connector box;
One is used for the needs measuring voltage of described DVB mainboard veneer being selected and with the variable connector box of the picture output of RCA and Scart according to the instruction that described PC is assigned;
One is used for the video pictures signal that will be transmitted by described variable connector box and the image splitter of the video pictures signal combination compression that transmitted by the RF TV box;
The display screen that video information after the one combination compression that is used for being transmitted by described image splitter shows;
One is used for giving described DVB mainboard veneer to add the load tray of load;
An and RF TV box that is used for received television signal;
Described PC is connected with described oscilloscope conducting, and also conducting is connected with DVB mainboard veneer with described variable connector box respectively by two serial ports which is provided with for it; The input of described variable connector box also is connected with the output of described load tray and the output conducting of described DVB mainboard veneer, and the audio output which is provided with is connected with the input conducting of described oscillographic input and described image splitter respectively with video output terminals; The input of described image splitter also is connected with the output conducting of described RF TV box, and its output is connected with described display screen conducting; Described load tray and the equal input TV signal of RF TV box, and its output also is connected with described DVB mainboard veneer.
Further, described variable connector box is provided with four audio outputs and three video output terminals, is connected with the input conducting one to one of described oscillographic input and described image splitter respectively.
Further, described image splitter is four image splitters.
The utility model passes through technique scheme, combine multiple instrument and equipment every function of DVB mainboard is done unified test, adopt PC to substitute the manual operation part simultaneously, improved automaticity, can help workshop DVB mainboard single-board testing, test more function, test shorten the testing time fast, not only improved production efficiency but also save production cost, and test precision and accuracy height, simple to operate, reduce artificial False Rate.
[description of drawings]
Fig. 1 is the theory structure schematic block diagram of a kind of DVB mainboard single board testing system embodiment described in the utility model.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 and Fig. 2:
The utility model provides a kind of DVB mainboard single board testing system, includes PC 1, oscilloscope 2, variable connector box 3, image splitter 4, display screen 5, load tray 6 and RF TV box 7 that testing software is installed; Wherein, described PC 1 is connected with oscilloscope 2 conductings, also 8 conductings are connected with DVB mainboard veneer with variable connector box 3 respectively by two serial ports which is provided with for it, be mainly used in each component devices in the native system is carried out initialization control, and from described component devices, read, analyze it to the test data of DVB mainboard veneer, judge whether DVB mainboard veneer 8 is qualified; Described oscilloscope 2 is used for and will will select output voltage to be measured to measure by variable connector box 3, and the content of detection comprises: RCA, Analog Audio L/R, Scart_Audio_L/R, Scart_RGB, Video 16:9, Video 4:3,13V, 18V, 22K, no-voltage during LNB Short; The input of described variable connector box 3 also is connected with the output of load tray 6 and the output conducting of DVB mainboard veneer 8, also be provided with four audio outputs and three video output terminals on it, be connected with the input of oscilloscope 2 and the input conducting one to one of image splitter 4 respectively, the instruction that is mainly used in assigning according to PC 1 is selected the needs measuring voltage of DVB mainboard veneer 8 and the picture of RCA and Scart is exported; Described image splitter 4 is four image splitters, its input also is connected with the output conducting of RF TV box 7, and output is connected with display screen 5 conductings, is mainly used in the video pictures signal that will be transmitted by variable connector box 3 and the video pictures signal combination compression that is transmitted by RF TV box 7; Described display screen 5 is TV display screens, and the video information after the combination compression that is mainly used in being transmitted by image splitter 4 shows; Described load tray 6 and RF TV box 7 equal input TV signals, and its output also is connected with DVB mainboard veneer 8, described load tray 6 is mainly used in adding load to DVB mainboard veneer 8 that so that the 13V/18V of test Tuner, RF TV box 7 is mainly used in received television signal.
The operation principle of DVB mainboard single board testing system described in the utility model: at first, DVB mainboard veneer 8 to be measured is connected to this test macro after, each component devices carries out initialization control in 1 pair of native system of PC; Then, the TV signal that load tray 6 just receives is transferred to variable connector box 3, and to 8 loadings of DVB mainboard veneer, RF TV box 7 is transferred to image splitter 4 and DVB mainboard veneer 8 with the TV signal that receives simultaneously; Then, the instruction that variable connector box 3 is assigned according to PC 1 is selected the needs measuring voltage of DVB mainboard veneer 8, and flow to oscilloscope 2 by its four video output terminals, select output voltage to be measured to measure by 2 pairs of oscilloscopes, read the corresponding audio interface of related data and analysis and judgement DVB mainboard veneer 8 (as HDMI by PC 1 again, CVBS, Scart1, Scart2, Analog Audio L/R), whether A/D interface (Tuner) reconciliation transfer mouth (Demod) is qualified, show, perhaps the instruction assigned according to PC 1 of variable connector box 3 flows to image splitter 4 with the picture of RCA and Scart by its three video output terminals, will be by this video pictures signal and the video pictures signal combination compression that is transmitted by RF TV box 7 by image splitter 4, export display screen 5 to and carry out the demonstration of four pictures, whether the corresponding video interface of judging DVB mainboard veneer 8 is (as SPDIF, YPbPr) qualified; At last, test data is saved in the database of establishing in the PC 1.
Like this, the utility model combines multiple instrument and equipments such as PC 1, oscilloscope 2, variable connector box 3, image splitter 4, display screen 5, load tray 6 and RF TV box 7, every function to the DVB mainboard is done unified test, adopt PC to substitute the manual operation part simultaneously, improved automaticity, can help 8 tests of workshop DVB mainboard veneer, the test more function, test fast, shorten the testing time, not only improved production efficiency but also save production cost, and test precision and accuracy height, simple to operate, reduce artificial False Rate.
Above content be in conjunction with concrete optimal technical scheme to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (3)
1. a DVB mainboard single board testing system is characterized in that, includes:
One be equipped with testing software be used for each component devices of native system is carried out initialization control, and from described component devices, read, analyze it to the test data of DVB mainboard veneer, judge whether qualified PC (1) of described DVB mainboard veneer (8);
One is used for and will selects to export the oscilloscope (2) that voltage to be measured is measured by variable connector box (3);
One is used for the instruction assigned according to described PC (1) selects and with the variable connector box (3) of the picture output of RCA and Scart the measuring voltage that needs of described DVB mainboard veneer (8);
One is used for the video pictures signal that will be transmitted by described variable connector box (3) and the image splitter (4) of the video pictures signal combination compression that transmitted by RF TV box (7);
The display screen (5) that video information after the one combination compression that is used for being transmitted by described image splitter (4) shows;
One is used for giving described DVB mainboard veneer (8) to add the load tray (6) of load;
An and RF TV box (7) that is used for received television signal;
Described PC (1) is connected with described oscilloscope (2) conducting, and also conducting is connected with DVB mainboard veneer (8) with described variable connector box (3) respectively by two serial ports which is provided with for it; The input of described variable connector box (3) also is connected with the output of described load tray (6) and the output conducting of described DVB mainboard veneer (8), and the audio output which is provided with is connected with the input of described oscilloscope (2) and the input conducting of described image splitter (4) respectively with video output terminals; The input of described image splitter (4) also is connected with the output conducting of described RF TV box (7), and its output is connected with described display screen (5) conducting; Described load tray (6) and RF TV box (7) be input TV signal all, and its output also is connected with described DVB mainboard veneer (8).
2. DVB mainboard single board testing system according to claim 1, it is characterized in that: described variable connector box (3) is provided with four audio outputs and three video output terminals, is connected with the input of described oscilloscope (2) and the input conducting one to one of described image splitter (4) respectively.
3. DVB mainboard single board testing system according to claim 1 and 2, it is characterized in that: described image splitter (4) is four image splitters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627882 CN203151680U (en) | 2012-11-26 | 2012-11-26 | Single-board test system for digital-video-broadcasting (DVB) main board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627882 CN203151680U (en) | 2012-11-26 | 2012-11-26 | Single-board test system for digital-video-broadcasting (DVB) main board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203151680U true CN203151680U (en) | 2013-08-21 |
Family
ID=48979169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220627882 Expired - Fee Related CN203151680U (en) | 2012-11-26 | 2012-11-26 | Single-board test system for digital-video-broadcasting (DVB) main board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203151680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016165056A1 (en) * | 2015-04-13 | 2016-10-20 | 华为技术有限公司 | Board testing method, board and system |
| CN106657995A (en) * | 2016-10-09 | 2017-05-10 | 深圳创维数字技术有限公司 | Parameter testing method and parameter testing system based on multi-turner set-top box |
-
2012
- 2012-11-26 CN CN 201220627882 patent/CN203151680U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016165056A1 (en) * | 2015-04-13 | 2016-10-20 | 华为技术有限公司 | Board testing method, board and system |
| CN106657995A (en) * | 2016-10-09 | 2017-05-10 | 深圳创维数字技术有限公司 | Parameter testing method and parameter testing system based on multi-turner set-top box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201986083U (en) | Device for automatically detecting circuit board | |
| CN101950516B (en) | Detection system of driving plates liquid crystal television and liquid crystal display | |
| CN102087336B (en) | Method and system for detecting video/audio signal circuit board | |
| CN103024435A (en) | HDMI (high-definition multimedia interface) interface detection device and method and HDMI interface system | |
| CN102170580B (en) | Television testing method, device and system | |
| CN101577592B (en) | Radiofrequency test system and radiofrequency test method | |
| US20070109307A1 (en) | Apparatus for video graphics array testing | |
| CN203151680U (en) | Single-board test system for digital-video-broadcasting (DVB) main board | |
| CN103376401A (en) | Method and device for automatically detecting 4K2K product main control board | |
| CN202084271U (en) | Driver board detecting system for LCD TV and LCD | |
| CN102445614B (en) | Universal signal routing system for electronic product function test | |
| CN203590370U (en) | General video signal performance parameter automatic testing device | |
| CN205510305U (en) | TV core plate testing arrangement | |
| CN103856771A (en) | Image signal testing method and device | |
| US20140354296A1 (en) | Signal test device | |
| CN105045712A (en) | Test system for testing graphic processing module | |
| CN105163113B (en) | HDMI test fixture and method of testing | |
| CN202309992U (en) | Automatic television board testing system | |
| CN203027359U (en) | Plug-in card type multimedia presentation matrix switcher | |
| CN201571142U (en) | Signal switching circuit and television set test circuit | |
| CN103002313A (en) | Portable video signal testing equipment | |
| CN210325150U (en) | 16 terminal 4K display testing arrangement | |
| US8271225B2 (en) | Test system for connectors with multi-input | |
| CN102135582A (en) | Mainboard tester | |
| CN101996613B (en) | Output testing method, system and platform of electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20171126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |