CN104181373B - OLED ShortingBar voltage output automation collection method and devices - Google Patents
OLED ShortingBar voltage output automation collection method and devices Download PDFInfo
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- CN104181373B CN104181373B CN201410351782.3A CN201410351782A CN104181373B CN 104181373 B CN104181373 B CN 104181373B CN 201410351782 A CN201410351782 A CN 201410351782A CN 104181373 B CN104181373 B CN 104181373B
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Abstract
Automation collection method and device is calibrated the invention discloses the ShortingBar voltage output precisions of OLED a kind of.Apparatus of the present invention include ShortingBar, PC, collection plate and voltage monitoring module, ShortingBar input is connected with PC, ShortingBar each output end connects one to one with a branch road of collection plate respectively, all branch roads of collection plate and the input of voltage monitoring module are connected, the output end of voltage monitoring module is connected with PC, collection plate is followed successively by each branch road turn-on power, and remaining all branch road shut-offs, the magnitude of voltage of PC recording voltage monitoring module collection during a branch road conducting.The present invention, which can solve the problem that, to be measured because artificial, record, preserves test data mode, and causes testing efficiency low and the problem of not high the data precision.
Description
Technical field
The invention belongs to OLED test equipment technical fields, in particular to the ShortingBar voltage outputs of OLED a kind of
Automation collection method and device.
Background technology
Current ShortingBar (probe short connection type signal testing machine) voltage output gatherer process is all by artificial side
Formula, the interface output valve of each channel voltage is gathered using digital multimeter and is recorded manually, and gatherer process fully relies on hand by table
Probe, then contact probe touched on output interface are completed.
But there are some defects in this existing testing scheme, be mainly manifested in the following aspects：
(1) inefficiency of data acquisition, the validity of institute's gathered data can not be reviewed；
(2) process for artificially changing different output channels is cumbersome, elapsed time, easily error；
(3) test data is artificially recorded, institute's gathered data is arranged and takes considerable time, greatly reduces testing efficiency,
Plus people's kopiopia, however not excluded that misregistration phenomenon occur, the generation of invalid data is caused.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide the ShortingBar voltage outputs of OLED a kind of
Precision calibrates automation collection method and device, can solve the problem that because of artificial measurement, record, preserves test data mode, and causes
Testing efficiency is low and the problem of not high the data precision.
To achieve the above object, the ShortingBar output voltage automation collection methods of the OLED designed by the present invention,
It is characterized in that, comprises the following steps：
1) output end of ShortingBar input and voltage monitoring module is connected with PC respectively, and passes through institute
The each output end for stating PC control ShortingBar exports specific magnitude of voltage；
2) turn on the input of the voltage monitoring module and a ShortingBar output end；
3) input of the voltage monitoring module is made to gather the magnitude of voltage of the output end, and by the magnitude of voltage gathered
It is transferred to PC record；
4) turn off the connection between the input of the voltage monitoring module and the output end, and supervise the voltage
The input and next output end for controlling module are turned on, implementation steps 3)；
5) implementation steps 4 are repeated) until the PC records all ShortingBar output end voltage value, that is, complete
Collection.
Preferably, the step 1) in also include：By one of each output end of the ShortingBar and collection plate
Branch road is connected one to one, then the input of voltage monitoring module is connected with all branch roads of the collection plate；
Also include in the step 2：Enabling signal is sent to collection plate by the PC；
The step 4) in also include：The collection plate is controlled to turn off the branch of the conducting after the PC recording voltage value
Road, and turn on next branch road.
Preferably, the step 1) described in specific magnitude of voltage be output voltage according to OLED glass parameter settings
Value.
Preferably, the step 5) after the completion of PC send end signal to collection plate, the collection plate, which is received, terminates letter
The branch road of all conductings is turned off after number.
A kind of device of ShortingBar output voltage automation collection methods for above-mentioned OLED, including
ShortingBar, PC, collection plate and voltage monitoring module, the input of the ShortingBar are connected with PC, described
ShortingBar each output end connects one to one with a branch road of collection plate respectively, all of the collection plate
The input connection of road and voltage monitoring module, the output end of the voltage monitoring module is connected with PC, and the PC is to adopting
Collection plate sends enabling signal and end signal, and records the magnitude of voltage of the voltage monitoring module collection, the collection plate according to
The enabling signal of PC is followed successively by each branch road turn-on power, and remaining all branch road shut-off during a branch road conducting, described
Collection plate turns off all branch roads after receiving end signal.
Further, the collection plate includes MCU and several branch roads, and the MCU receives the PC and sends startup letter
Number and end signal and the conducting and shut-off that control each branch road.
Further, several branch roads of the collection plate are realized by iic bus, I/O expanders and relay, institute
State iic bus to be connected with MCU and I/O expanders respectively, the I/O expanders have several I/O interfaces, each I/O connects
Mouth is connected with a relay.
Further, the I/O expanders are the PCA9555D chips with 16 road I/O interfaces.
Further, the I/O expanders are made up of three PCA9555D chips, have 48 road I/O interfaces.
The operation principle of the present invention is as follows：Pass through each I/O interface in 16 road I/O interfaces in MCU control I/O expanders
Level state so as to the on off state of control relay, and connect the series connection of multiple I/O expanders using iic bus and realize 16*N
Road independence I/O interfaces formation 16*N roads branch road, the break-make of 16*N roads branch road, voltage monitoring are controlled by the on off state of relay
Module is connected with collection plate output interface, is gathered the branch voltage value currently turned on, is then realized output voltage values by PC
Automatic record.
Compared with prior art, beneficial effects of the present invention include：
(1) OLED ShortingBar voltage output collecting efficiencies are lifted：Artificial replacing output channel at present is improved,
Artificial record gathered data, the process for arranging gathered data, drastically increase data acquisition efficiency.The former manual calibration time is about
The use of automatic prover time after the present invention is about 3min/ platforms, efficiency improves 9 times for 30min/ platforms.
(2) scalability：Pass through MCU, iic bus cascade system, it is possible to achieve the I/O interfaces of multichannel independence, and institute
When the output channel of gathered data is more, advantage is more obvious.
(3) it is inexpensive：Automatic data collection OLED ShortingBar voltage outputs are handled by the matured product of in the market
The problem of data, efficiency is obtained with relatively low cost and has greatly been lifted.
Brief description of the drawings
Fig. 1 is the structural representation of OLED of the present invention ShortingBar output voltage automation collection devices.
In figure：1.ShortingBar, 2.PC machine, 3. collection plates, 3-1.MCU, 3-2.I/O expanders, 3-3. relays,
3-4.IIC buses, 4. voltage monitoring modules.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in figure 1, OLED of the present invention ShortingBar output voltage automation collection devices, including
ShortingBar1, PC 2, collection plate 3 and voltage monitoring module 4.ShortingBar1 input is connected with PC 2,
ShortingBar1 each output end connects one to one with a branch road of collection plate 3 respectively, all branch roads of collection plate 3
It is connected with the input of voltage monitoring module 4, the output end of voltage monitoring module 4 is connected with PC 2, and PC 2 is sent out to collection plate 3
Go out enabling signal and end signal, and the magnitude of voltage that recording voltage monitoring module 4 is gathered, collection plate 3 is believed according to the startup of PC 2
Each branch road turn-on power, and remaining all branch roads shut-off during a branch road conducting number are followed successively by, collection plate 3, which is received, terminates letter
All branch roads are turned off after number.Collection plate 3 includes MCU3-1 and several branch roads, MCU3-1 receive PC 2 send enabling signal and
End signal and the conducting and shut-off for controlling each branch road.
Wherein, the MCU3-1 of collection plate 3 uses STM32F103VCT6 chips, MCU3-1 by the serial line interface of chip with
PC 2 communicates；The Jtag debugging mouths of chip are upgraded and debugged as program；The TTL interfaces of chip can be received as user interface
With transmission data.MCU3-1 is connected with group of four figures pipe, is shown as passage switching state.MCU3-1 is also connected with RTC, RTC
As an independent timer, realize system reset or waken up from standby mode, RTC is set and the time can remain unchanged.
Several branch roads of collection plate 3 pass through iic bus 3-4, I/O expander 3-2 and relay 3-3 realization, iic bus
3-4 is connected with MCU3-1 and I/O expanders 3-2 respectively, and I/O expanders 3-2 has several I/O interfaces, each I/O interface
It is connected with a relay 3-3.
I/O expanders 3-2 uses PCA9555D chips, and PCA9555D chips are with interrupt output and configuration register
Long-range 16 I2C and SMBus I/O expanders.Three 48 tunnel independence I/O of PCA9555D chips formation are connected on iic bus 3-4
The voltage acquisition branch road of interface, i.e. 48 tunnel independences.
ShortingBar1 is connected with PC 2 by serial line interface.Voltage monitoring module 4 can use high accuracy number general-purpose
Table A glient34401a.
The acquisition method of above-mentioned OLED ShortingBar output voltage automation collection devices is with three PCA9555D cores
Exemplified by piece 48 tunnel independence I/O interfaces of formation, the magnitude of voltage of 48 ShortingBar output ends of automatic data collection：
1) by the output end of ShortingBar1 input and voltage monitoring module 4 respectively with PC 2) be connected, and lead to
48 output ends for crossing the control of PC 2 ShortingBar1 export specific magnitude of voltage, and specific magnitude of voltage is according to OLED glass
48 corresponding output voltage values of output end of glass parameter setting.By ShortingBar1 48 output ends and the 48 of collection plate 3
Road branch road is connected one to one, then the input of voltage monitoring module 4 is connected with all branch roads of collection plate 3.
2) enabling signal is sent to collection plate 3 by PC 2, collection plate 3 is received after enabling signal in 48 branch roads of conducting
First branch road, then the input of voltage monitoring module 4 with
ShortingBar1 first output end conducting.
3) input of voltage monitoring module 4 is made to gather the magnitude of voltage of first output end, and by the magnitude of voltage gathered
PC 2 is transferred to record；The magnitude of voltage that PC 2 is recorded is corresponded with the ShortingBar1 output ends currently turned on.
4) PC 2, which is recorded, controls the shut-off tie point of collection plate 3 after the magnitude of voltage of first output end, and makes the second branch road
Conducting, then the connection shut-off between the input of voltage monitoring module 4 and the output ends of ShortingBar1 first, voltage monitoring mould
Connection conducting between the input and the output ends of ShortingBar1 second of block 4, to the second output end implementation steps 3).
5) implementation steps 4 are repeated, PC records the second output end to the magnitude of voltage of the 48th output end successively.PC
2 send end signal to collection plate 3, and collection plate 3 receives the branch road that all conductings are turned off after end signal, completes collection.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvement are can be devised by, these improvement also should be regarded as the present invention
Protection domain.
Claims (5)
1. a kind of OLED ShortingBar output voltage automation collection methods, it is characterised in that comprise the following steps：
1) by the output end of the input of probe short connection type signal testing machine (1) and voltage monitoring module (4) respectively with PC (2)
Connection, and control each output end of probe short connection type signal testing machine (1) to export specific voltage by the PC (2)
Value；The specific magnitude of voltage is the output voltage values according to OLED glass parameter settings；The probe short connection type signal is surveyed
Each output end of test-run a machine (1) and a branch road of collection plate (3) connect one to one, then by the defeated of voltage monitoring module (4)
Enter end to be connected with all branch roads of the collection plate (3)；Several branch roads of the collection plate (3) by iic bus (3-4),
I/O expanders (3-2) and relay (3-3) realize, the iic bus (3-4) respectively with MCU (3-1) and I/O expanders (3-
2) connect；
2) input of the voltage monitoring module (4) is made to be turned on an output end of probe short connection type signal testing machine (1)；
Enabling signal is sent to collection plate (3) by the PC (2)；
3) input of the voltage monitoring module (4) is made to gather the electricity of probe short connection type signal testing machine (1) output end
Pressure value, and the magnitude of voltage gathered is transferred to PC (2) record；
4) make between the input of the voltage monitoring module (4) and probe short connection type signal testing machine (1) output end
Connection shut-off, and the input of the voltage monitoring module (4) and next output end are turned on, implementation steps 3)；The PC
Control the collection plate (3) to turn off the branch road of the conducting after machine (2) recording voltage value, and turn on next branch road；
5) implementation steps 4 are repeated) until the PC (2) records the output end electricity of all probe short connection type signal testing machines (1)
Pressure value, that is, complete collection.
2. OLED according to claim 1 ShortingBar output voltage automation collection methods, it is characterised in that：
The step 5) after the completion of PC (2) send end signal to collection plate (3), the collection plate (3) receives and closed after end signal
The branch road of disconnected all conductings.
3. a kind of device of the ShortingBar output voltage automation collection methods of OLED for described in claim 1, its
It is characterised by：It is described including probe short connection type signal testing machine (1), PC (2), collection plate (3) and voltage monitoring module (4)
The input of probe short connection type signal testing machine (1) is connected with PC (2), the probe short connection type signal testing machine (1) it is every
Individual output end is connected one to one with a branch road of collection plate (3) respectively, and all branch roads and the voltage of the collection plate (3) are supervised
Control the input connection of module (4), the output end of the voltage monitoring module (4) is connected with PC (2), the PC (2) to
Collection plate (3) sends enabling signal and end signal, and records the magnitude of voltage of the voltage monitoring module (4) collection, described to adopt
Collection plate (3) is followed successively by each branch road turn-on power according to the enabling signal of PC (2), and remaining owns during a branch road conducting
Branch road is turned off, and the collection plate (3) turns off all branch roads after receiving end signal；The collection plate (3) include MCU (3-1) and
Several branch roads, the MCU (3-1) receives the PC (2) and sends enabling signal and end signal and control each branch road
Conducting and shut-off；Several branch roads of the collection plate (3) pass through iic bus (3-4), I/O expanders (3-2) and relay
(3-3) is realized, the iic bus (3-4) is connected with MCU (3-1) and I/O expanders (3-2) respectively, the I/O expanders (3-
2) there are several I/O interfaces, each I/O interface is connected with a relay (3-3)；The voltage monitoring module (4)
The magnitude of voltage of collection is the output voltage values according to OLED glass parameter settings.
4. the device of OLED according to claim 3 ShortingBar output voltage automation collection methods, its feature
It is：The I/O expanders (3-2) are the PCA9555D chips with 16 road I/O interfaces.
5. the device of OLED according to claim 4 ShortingBar output voltage automation collection methods, its feature
It is：The I/O expanders (3-2) are made up of three PCA9555D chips, have 48 road I/O interfaces.
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| CN201410351782.3A CN104181373B (en) | 2014-07-23 | 2014-07-23 | OLED ShortingBar voltage output automation collection method and devices |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201410351782.3A CN104181373B (en) | 2014-07-23 | 2014-07-23 | OLED ShortingBar voltage output automation collection method and devices |
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| CN104181373A CN104181373A (en) | 2014-12-03 |
| CN104181373B true CN104181373B (en) | 2017-08-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5081687A (en) * | 1990-11-30 | 1992-01-14 | Photon Dynamics, Inc. | Method and apparatus for testing LCD panel array prior to shorting bar removal |
| JPH08105926A (en) * | 1994-10-05 | 1996-04-23 | Fujitsu Ltd | Wiring pattern inspection device, and wiring pattern inspection method |
| CN1236323C (en) * | 2002-09-05 | 2006-01-11 | 上海神力科技有限公司 | Device for monitoring operating voltage of each cell in fuel cells and making safety alarming as well as its method |
| JP4244971B2 (en) * | 2005-07-27 | 2009-03-25 | 株式会社デンソーウェーブ | Robot controller |
| TWI387770B (en) * | 2009-01-05 | 2013-03-01 | Chunghwa Picture Tubes Ltd | Method of testing display panel |
| CN101958092A (en) * | 2009-07-17 | 2011-01-26 | 友达光电(厦门)有限公司 | Test conversion module and display screen test method |
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Address after: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee before: Wuhan Jingce Electronic Technology Co., Ltd. |