CN102332237A - Detecting system for display screen - Google Patents
Detecting system for display screen Download PDFInfo
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- CN102332237A CN102332237A CN201110223565A CN201110223565A CN102332237A CN 102332237 A CN102332237 A CN 102332237A CN 201110223565 A CN201110223565 A CN 201110223565A CN 201110223565 A CN201110223565 A CN 201110223565A CN 102332237 A CN102332237 A CN 102332237A
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- display screen
- detection loop
- communication device
- detection
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Abstract
The invention discloses a detecting system for a display screen, and the detecting system comprises a supervisory computer, wherein the detecting system further comprises a power supply, a circuit board connecting device, a display screen connecting device, a signal generating device, a communication device and a result displaying device; the power supply supplies power to the detecting system; the circuit board connecting device is connected with a circuit board to be detected and the signal generating device to form a first detecting loop; the first detecting loop is connected with the communication device; the display screen connecting device is connected with a display screen to be detected and the signal generating device to form a second detecting loop; the second detecting loop is connected with the communication device; and the result displaying device is connected with the communication device. The system provided by the invention has the beneficial effects that the detecting system not only can detect the semi-finished circuit board of the display screen, but also can detect the finished display screen, so that the configuration cost and maintenance overhead of an enterprise are lowered, the compatibility problem between independent systems is solved, and the work efficiency is improved.
Description
Technical field
The present invention relates to a kind of detection system, especially a kind of detection system that is used for display screen.
Background technology
Known display screen detection system adopts proving installation and the separate framework of testing apparatus mostly; Proving installation is used to detect the display screen half-finished circuit board; Testing apparatus is used to detect the finished product display screen, and this separate framework makes display screen manufacturer have to dispose two cover systems, will drop into double manpower simultaneously and carry out operation and maintenance; But also to consider the compatibility issue between two cover systems, increased many extra burdens.
Summary of the invention
To the existing the problems referred to above of existing display screen detection system, the present invention provides a kind of both can detect the display screen half-finished circuit board, can detect the detection system of finished product display screen again.
The technical scheme that technical solution problem of the present invention is adopted is:
A kind of detection system that is used for display screen; Comprise host computer; Wherein, also comprise power supply, wiring board coupling arrangement, display screen coupling arrangement, signal generation apparatus, communication device and device displaying result, said power supply is that said detection system provides electric power; Said wiring board coupling arrangement and wiring board to be measured and said signal generation apparatus are connected to form the first detection loop; The said first detection loop is connected with said communication device, and said display screen coupling arrangement and display screen to be measured and said signal generation apparatus are connected to form the second detection loop, and the said second detection loop is connected with said communication device; Said device displaying result is connected with said communication device, and said host computer is connected with said communication device; Said host computer sends the said signal generation apparatus of instruction control through said communication device and produces detection signal; Said detection signal forms consequential signal behind the first detection loop or the second detection loop; Said consequential signal imports said host computer into through said communication device; Said host computer is handled said consequential signal and is born results, and said result arrives at said device displaying result through said communication device, and said device displaying result shows said result.
The above-mentioned detection system that is used for display screen, wherein, said wiring board coupling arrangement comprises support plate, test needle-bar and jacking gear; Said support plate comprises power supply part; Said support plate is used to place wiring board to be measured and treats the power supply of survey wiring board by said power supply part, and said test needle-bar is connected with said jacking gear, and said jacking gear is controlled said test needle-bar and gone up and down; Said test needle-bar comprises a plurality of testing needles, and said a plurality of testing needles are connected with said signal generation apparatus.
The above-mentioned detection system that is used for display screen, wherein, said display screen coupling arrangement is the CAN-BUS bus connecting device.
The above-mentioned detection system that is used for display screen, wherein, said communication device is the serial digital communication device.
The above-mentioned detection system that is used for display screen; Wherein, Said device displaying result comprises the first detection loop device displaying result, second detection loop device displaying result and the switching device shifter; Said switching device shifter is connected respectively with the said second detection loop with the said first detection loop, and said switching device shifter is connected respectively with the said second detection loop device displaying result with the said first detection loop device displaying result.
The above-mentioned detection system that is used for display screen, wherein, said power supply comprises first delivery outlet and second delivery outlet, said first delivery outlet is different with the said second delivery outlet output voltage.
The above-mentioned detection system that is used for display screen wherein, also comprises travel switch, and said travel switch comprises the stroke contact, and said stroke contact is connected with said jacking gear, and said travel switch is serially connected with between said power supply and the said power supply part.
The above-mentioned pick-up unit that is used for display screen, wherein, said serial bus communication device is connected through the RS232 interface cable with said host computer.
The above-mentioned pick-up unit that is used for display screen; Wherein, Said switching device shifter is first relay and second relay; Said first relay is connected with the said first detection loop device displaying result with the said first detection loop, and said second relay is connected with the said second detection loop device displaying result with the said second detection loop.
The invention has the beneficial effects as follows:
Both can test the display screen half-finished circuit board, but test product display screen again the deployment cost and the maintenance costs of enterprise have been reduced, has overcome the compatibility issue between autonomous system, has improved work efficiency.
Description of drawings
Fig. 1 is a kind of structural representation that is used for the detection system of display screen of the present invention;
Fig. 2 is a kind of stereographic map that is used for the detection system of display screen of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as qualification of the present invention.
As shown in Figure 1, a kind of detection system that is used for display screen of the present invention comprises host computer, wherein; Also comprise power supply, wiring board coupling arrangement, display screen coupling arrangement, signal generation apparatus, communication device and device displaying result; Power supply is that detection system provides electric power, and wiring board coupling arrangement and wiring board to be measured and signal generation apparatus are connected to form the first detection loop, and the first detection loop is connected with communication device; Display screen coupling arrangement and display screen to be measured and signal generation apparatus are connected to form the second detection loop; The second detection loop is connected with communication device, and device displaying result is connected with communication device, and host computer is connected with communication device; Host computer sends the instruction control signal generation apparatus through communication device and produces detection signal; Detection signal forms consequential signal behind the first detection loop or the second detection loop; Consequential signal imports host computer into through communication device; Host computer result signal also bears results, and the result arrives at device displaying result through communication device, the device displaying result display result.
Further, as shown in Figure 2, wiring board coupling arrangement 1 comprises support plate 11, test needle-bar 12 and jacking gear 13; Support plate 11 comprises power supply part; Support plate 11 is used to place wiring board to be measured and treats the power supply of survey wiring board by power supply part, and test needle-bar 12 is connected with jacking gear 13,12 up-downs of jacking gear 13 control test needle-bars; Test needle-bar 12 comprises a plurality of testing needles 121, and a plurality of testing needles 121 are connected with signal generation apparatus.Jacking gear 13 puts down test needle-bar 12 during use, makes the test point on the test testing needle 121 contact measured wiring boards that needle-bar comprised, and then conducting first test loop.Support plate 11 is set places wiring board to be measured stably; Liftable test needle-bar 12 is set makes wiring board to be measured put into and take out more convenient; Wherein, also travel switch can be set, travel switch comprises the stroke contact; The stroke contact is connected with jacking gear 13; Travel switch is serially connected with between power supply and the power supply part, controls the power supply part of support plate 11 through the lifting travel of jacking gear 13 and whether gives wiring board power supply to be measured, can avoid support plate 11 long charged and damage wiring board to be measured like this.Counting assembly can also be set, and the up-down number of times of technique device record and demonstration jacking gear is to confirm the access times of probe, the convenient replacing opportunity of confirming probe.
Further, the display screen coupling arrangement can be the CAN-BUS bus connecting device.The CAN-BUS bus is one of most widely used open field bus in the world at present; The display screen of a lot of display device for mounting on vehicle all adopts this bus, uses this bus to make the present invention when detecting the display screen of display device for mounting on vehicle, need not to make display screen that extra detection interface is set.
Further, communication device can be the serial digital communication device.The serial digital communication device can be realized the communication with host computer easily, especially when host computer is PC or other digital devices.The serial bus communication device can be selected to be connected through the RS232 interface cable with host computer, and the RS232 interface is to use interface standard quite widely, has favorable compatibility and very strong secondary development potentiality.
Further; Device displaying result comprises the first detection loop device displaying result, second detection loop device displaying result and the switching device shifter; Switching device shifter is connected respectively with the second detection loop with the first detection loop, and switching device shifter is connected respectively with the second detection loop device displaying result with the first detection loop device displaying result.Wherein, Switching device shifter can be first relay and second relay; First relay is connected with the first detection loop device displaying result with the first detection loop; Second relay is connected with the second detection loop device displaying result with the second detection loop, utilizes the connection in the first detection loop and the second detection loop whether to control the switching of the first detection loop device displaying result and the second detection loop device displaying result; Perhaps, can directly first relay and second relay directly be connected with hand switch or programmed switch, through the switching of manual control or the programmed control first detection loop device displaying result and the second detection loop device displaying result.The first detection loop device displaying result can be special-purpose display screen; The second detection loop device displaying result can be a display screen to be measured; Adopt the display screen to be measured can the handled easily personnel, make it after connecting display screen to be measured and detection system, needn't seek special-purpose display screen in rotary head as the second detection loop device displaying result.
Further, power supply comprises first delivery outlet and second delivery outlet, and first delivery outlet is different with the second delivery outlet output voltage, can export 24V voltage like first delivery outlet, and second delivery outlet can be exported 5V voltage.Different voltages with different output can make the power supply of detection system, wiring board to be measured and display screen to be measured all be met.
The above is merely preferred embodiment of the present invention, is not so limits claim of the present invention, so the equivalent structure that all utilizations instructions of the present invention and diagramatic content have been done changes, all is included in protection scope of the present invention.
Claims (9)
1. detection system that is used for display screen; Comprise host computer; It is characterized in that, also comprise power supply, wiring board coupling arrangement, display screen coupling arrangement, signal generation apparatus, communication device and device displaying result, said power supply is that said detection system provides electric power; Said wiring board coupling arrangement and wiring board to be measured and said signal generation apparatus are connected to form the first detection loop; The said first detection loop is connected with said communication device, and said display screen coupling arrangement and display screen to be measured and said signal generation apparatus are connected to form the second detection loop, and the said second detection loop is connected with said communication device; Said device displaying result is connected with said communication device, and said host computer is connected with said communication device; Said host computer sends the said signal generation apparatus of instruction control through said communication device and produces detection signal; Said detection signal forms consequential signal behind the first detection loop or the second detection loop; Said consequential signal imports said host computer into through said communication device; Said host computer is handled said consequential signal and is born results, and said result arrives at said device displaying result through said communication device, and said device displaying result shows said result.
2. the detection system that is used for display screen according to claim 1; It is characterized in that; Said wiring board coupling arrangement comprises support plate, test needle-bar and jacking gear, and said support plate comprises power supply part, and said support plate is used to place wiring board to be measured and treats the power supply of survey wiring board by said power supply part; Said test needle-bar is connected with said jacking gear; Said jacking gear is controlled said test needle-bar and is gone up and down, and said test needle-bar comprises a plurality of testing needles, and said a plurality of testing needles are connected with said signal generation apparatus.
3. be used for the detection system of display screen according to claim 1, it is characterized in that, said display screen coupling arrangement is the CAN-BUS bus connecting device.
4. be used for the detection system of display screen according to claim 1, it is characterized in that, said communication device is the serial digital communication device.
5. the detection system that is used for display screen according to claim 1; It is characterized in that; Said device displaying result comprises the first detection loop device displaying result, second detection loop device displaying result and the switching device shifter; Said switching device shifter is connected respectively with the said second detection loop with the said first detection loop, and said switching device shifter is connected respectively with the said second detection loop device displaying result with the said first detection loop device displaying result.
6. be used for the detection system of display screen according to claim 1, it is characterized in that, said power supply comprises first delivery outlet and second delivery outlet, and said first delivery outlet is different with the said second delivery outlet output voltage.
7. like the said detection system that is used for display screen of claim 2; It is characterized in that also comprise travel switch, said travel switch comprises the stroke contact; Said stroke contact is connected with said jacking gear, and said travel switch is serially connected with between said power supply and the said power supply part.
8. like the said pick-up unit that is used for display screen of claim 4, it is characterized in that said serial bus communication device is connected through the RS232 interface cable with said host computer.
9. like the said pick-up unit that is used for display screen of claim 5; It is characterized in that; Said switching device shifter is first relay and second relay; Said first relay is connected with the said first detection loop device displaying result with the said first detection loop, and said second relay is connected with the said second detection loop device displaying result with the said second detection loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223565A CN102332237A (en) | 2011-08-05 | 2011-08-05 | Detecting system for display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223565A CN102332237A (en) | 2011-08-05 | 2011-08-05 | Detecting system for display screen |
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| CN102332237A true CN102332237A (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110223565A Pending CN102332237A (en) | 2011-08-05 | 2011-08-05 | Detecting system for display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377923A (en) * | 2018-10-30 | 2019-02-22 | 重庆先进光电显示技术研究院 | A kind of detection device and its detection method of display panel |
| CN111131588A (en) * | 2019-12-30 | 2020-05-08 | 上海闻泰电子科技有限公司 | Testing device |
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| US20030109224A1 (en) * | 1999-12-07 | 2003-06-12 | Jyri Tolonen | Method and product palette for testing electronic products |
| CN201149614Y (en) * | 2008-01-08 | 2008-11-12 | 福建捷联电子有限公司 | Signal switch plate of circuit board test control tool as well as used test system |
| CN201392368Y (en) * | 2008-11-28 | 2010-01-27 | 电子科技大学 | Characteristic impedance testing device for circuit board |
| CN102004337A (en) * | 2010-09-30 | 2011-04-06 | 无锡博一光电科技有限公司 | Liquid crystal display (LCD) test fixture and test method thereof |
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2011
- 2011-08-05 CN CN201110223565A patent/CN102332237A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030109224A1 (en) * | 1999-12-07 | 2003-06-12 | Jyri Tolonen | Method and product palette for testing electronic products |
| CN201149614Y (en) * | 2008-01-08 | 2008-11-12 | 福建捷联电子有限公司 | Signal switch plate of circuit board test control tool as well as used test system |
| CN201392368Y (en) * | 2008-11-28 | 2010-01-27 | 电子科技大学 | Characteristic impedance testing device for circuit board |
| CN102004337A (en) * | 2010-09-30 | 2011-04-06 | 无锡博一光电科技有限公司 | Liquid crystal display (LCD) test fixture and test method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377923A (en) * | 2018-10-30 | 2019-02-22 | 重庆先进光电显示技术研究院 | A kind of detection device and its detection method of display panel |
| US11176857B2 (en) | 2018-10-30 | 2021-11-16 | Chongqing Advance Display Technology Research | Display panel testing apparatus and testing method |
| CN111131588A (en) * | 2019-12-30 | 2020-05-08 | 上海闻泰电子科技有限公司 | Testing device |
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Application publication date: 20120125 |