CN103257300A - Automatic testing device for multipoint touch screen - Google Patents
Automatic testing device for multipoint touch screen Download PDFInfo
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- CN103257300A CN103257300A CN2012100347785A CN201210034778A CN103257300A CN 103257300 A CN103257300 A CN 103257300A CN 2012100347785 A CN2012100347785 A CN 2012100347785A CN 201210034778 A CN201210034778 A CN 201210034778A CN 103257300 A CN103257300 A CN 103257300A
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- touch screen
- multiple spot
- automatic testing
- access point
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 230000011664 signaling Effects 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
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Abstract
The invention discloses an automatic testing device for a multipoint touch screen. The multipoint touch-screen comprises a plurality of signal contacts and a plurality of touch-screen pins, wherein the signals contacts are distributed at all edges of a grid array, and the touch-screen pins correspond to the signal contacts one by one. The testing device comprises a testing adapter and a testing circuit, wherein first pins corresponding to the touch-screen pins are arranged at one end of the testing adapter, a plurality of second pins are arranged at the other end of the testing adaptor, the first pins correspond to one second pin, the testing circuit comprises a plurality of branch circuits, each branch circuit comprises a first signal access point and a second signal access point, all the signal access points correspond to the second pins of the testing adapter respectively one by one, and the branch circuits are used for testing that whether the signal contacts located at opposite positions are disconnected or not. Thus expensive equipment cannot be needed, and testing difficulties due to the use of a universal meter cannot be caused, wherein accurate touch to the touch-screen pins cannot be achieved by a meter hand.
Description
[technical field]
The present invention relates to a kind of automatic testing equipment, particularly relate to a kind of multiple spot touch screen automatic testing equipment.
[background technology]
Along with the development that science and technology is maked rapid progress, touch screen displays is used by people's daily life more and more widely, also more and more is subjected to people's favor.Simultaneously, multiple spot touch screen technology is also very popular instantly.
For the realization of multiple spot touch screen functionality, depend on the control of many pin (pin), need check every group situation when test and analysis, to confirm every group.Please in conjunction with consulting Fig. 1, Fig. 2, Fig. 1 illustrates to a kind of structural representation of multiple spot touch screen, Fig. 2 and illustrates the table of comparisons into each pin and signalling contact among Fig. 1.Need do the test of each row and each row to the more putting grid matrix 11 that touch screen 10 divides among Fig. 1, classify example as with 14 row, 16 in scheming, then need to do 30 tests, to determine that each row and each are listed as formed group and open circuit or normally.Whether wherein first to classify example as, it is normal with YD01 signalling contact 12 formed loops then to need to test YU01 signalling contact 12, and corresponding pin is the 21st pin and the 22nd pin.
When carrying out production test, need expensive equipment such as line survey to verify usually; And when analyzing, usual condition need use multimeter that grid matrix 11 is confirmed, because the pin comparatively dense is difficult to accurately touching.
In view of this, be necessary to develop a kind of multiple spot touch screen automatic testing equipment in fact, to address the above problem.
[summary of the invention]
Therefore, the purpose of this invention is to provide a kind of multiple spot touch screen automatic testing equipment, thereby can need not to use expensive device, can not cause the test difficulty because using the multimeter indicator accurately to touch the touch screen pin again.
In order to achieve the above object, multiple spot touch screen automatic testing equipment provided by the invention, described multiple spot touch screen comprise several signalling contacts of being distributed in each edge of grid matrix and with several touch screen pins one to one of this signalling contact respectively, this proving installation comprises:
Test adaptor head, one end comprise first pin corresponding with described several touch screen pins, and its other end comprises several second pins, and each described first pin is corresponding to one second pin;
Test circuit, it comprises several branch circuits, whether respectively this branch circuit comprises first, second signal access point, and each described signal access point is respectively one by one corresponding to second pin of described test adaptor head, disconnect between the relative signalling contact of each described branch circuit test position.
Optionally, described signal converting head and described test circuit integrate.
Optionally, described signal converting head and described test circuit are separate element.
Optionally, described branch circuit also comprises and judges branch road and show branch road; The input end of described judgement branch road is described first, second signal access point, the output terminal output enable signal; Described demonstration branch road receives described enable signal and shows test results.
Optionally, described judgement branch road comprises power supply, first resistance, second resistance, the 3rd resistance, N-MOS pipe; The described power supply of described first resistance, one termination, one end of described second resistance of described another termination of first resistance, the described second resistance other end ground connection, insert the described first signal access point between described first resistance and described second resistance, insert described secondary signal access point between described second resistance and ground; The described power supply of described the 3rd resistance one termination, the drain electrode of the described N-MOS pipe of another termination of described the 3rd resistance, the grid of described N-MOS pipe is connected between described secondary signal access point and the ground, the source ground of described N-MOS pipe.
Optionally, described first resistance is 1000 ohm, and described second resistance is 5000～10000 ohm, and the resistance of described the 3rd resistance is 1000 ohm;
Optionally, described demonstration branch road comprises light emitting diode, the 4th resistance, described the 4th resistance one termination power, and the positive pole of the described light emitting diode of another termination, the negative pole of described light emitting diode connects the drain electrode of described N-MOS pipe.
Optionally, described the 4th resistance is 100 ohm.
Optionally, also be connected to the 5th resistance between described secondary signal access point and the ground.
Optionally, described the 5th resistance is 100,000 ohm.
Compared to prior art, utilize purpose multiple spot touch screen automatic testing equipment of the present invention, owing to adopt the test adaptor head to link to each other with described touch screen pin, by described test circuit described multiple spot touch screen is tested automatically again and finally shown the result.Thereby can need not to use expensive device, can not cause the test difficulty because using the multimeter indicator accurately to touch the touch screen pin again.
[description of drawings]
Fig. 1 illustrates the structural representation into a kind of multiple spot touch screen.
Fig. 2 illustrates the table of comparisons into each pin and signalling contact among Fig. 1.
Fig. 3 illustrates and is multiple spot touch screen automatic testing equipment square frame module map of the present invention.
Fig. 4 illustrates the branch circuit structural representation into multiple spot touch screen automatic testing equipment of the present invention one preferred embodiment.
[embodiment]
Please continue to consult Fig. 1, Fig. 2, in conjunction with consulting Fig. 3, Fig. 3 illustrates and is multiple spot touch screen automatic testing equipment square frame module map of the present invention again.
In order to achieve the above object, multiple spot touch screen automatic testing equipment provided by the invention, described multiple spot touch screen 10 comprise several signalling contacts 12 of being distributed in grid matrix 11 each edge and with several touch screen pins 14 (these several touch screen pins 14 are formed Signal connectors 13) one to one of this signalling contact 12 respectively, this proving installation 20 comprises:
Wherein, described signal converting head 21 and described test circuit 24 be separate element, so can be conveniently according to the described signal converting head 21 of multiple spot touch screen 10 replacings of different size, and then can reach described test circuit 24 better generality can be arranged.Certainly, described signal converting head 21 can also integrate with described test circuit 24.
Wherein, described test circuit 24 comprises 26,30 or 35 branch circuits 25 (number of branch circuit 25 is decided according to the signalling contact 12 of the multiple spot touch screen 10 required tests of different size).
Please continue to consult Fig. 3, in conjunction with consulting Fig. 4, Fig. 4 illustrates the branch circuit structural representation into multiple spot touch screen automatic testing equipment of the present invention one preferred embodiment again.
Wherein, described branch circuit 25 also comprises judgement branch road 28 and shows branch road 29; The input end of described judgement branch road 28 is the described first signal access point 26, secondary signal access point 27, the output terminal output enable signal; Described demonstration branch road 29 receives described enable signal and shows test results.
Wherein, described judgement branch road can comprise power supply 30, first resistance 31, second resistance 32, the 3rd resistance 33, N-MOS pipe 34; The described power supply 30 of described first resistance, 31 1 terminations, one end of described second resistance 32 of described first resistance, 31 another terminations, described second resistance, 32 other end ground connection, 33 of described first resistance 31 and described second resistance insert the described first signal access point 26, insert described secondary signal access point 27 between described second resistance 32 and ground; The described power supply 30 of described the 3rd resistance 33 1 terminations, the drain electrode of the described N-MOS pipe 34 of another termination of described the 3rd resistance 33, the grid of described N-MOS pipe 34 is connected between described secondary signal access point 27 and the ground, the source ground of described N-MOS pipe 34.
Wherein, described first resistance, 31 resistances can be 1000 ohm, and described second resistance, 32 resistances are corresponding can be 5000～10000 ohm, and the resistance of described the 3rd resistance 33 is corresponding can be 1000 ohm;
Wherein, described demonstration branch road 29 can also comprise light emitting diode 35, the 4th resistance 36, and described the 4th resistance 36 1 termination powers 30, the positive pole of the described light emitting diode 35 of another termination, the negative pole of described light emitting diode 35 connect the drain electrode of described N-MOS pipe 34.
Wherein, described the 4th resistance 36 resistances are corresponding can be 100 ohm.
When test, the described first signal access point 26 receives the touching signal that described signalling contact 12 produces with described secondary signal access point 27, be example with YU01 and YD01, the described first signal access point, 26 corresponding YU01, described secondary signal access point 27 corresponding YD01.When being path between YU01 and YD01, the grid of described N-MOS pipe 34 is high level, the drain electrode output low level of described N-MOS pipe 34, and described light emitting diode 35 conductings are also luminous.Therefore, luminous when described light emitting diode 35, then test result is 12 the position paths in relative binary signal contact, corresponding position; Not luminous when described light emitting diode 35, then test result is to open circuit in 12 positions, relative binary signal contact, corresponding position.
Wherein, can also be connected to the 5th resistance 37 (pull low resistance) between described secondary signal access point 27 and the ground, thereby when the described first signal access point 26 and 27 short circuits of described secondary signal access point, direct grid with described N-MOS pipe 34 draws and is low level, avoids drift.Wherein, described the 5th resistance 37 resistances can be 100,000 ohm.
Compared to prior art, utilize purpose multiple spot touch screen automatic testing equipment of the present invention, owing to adopt test adaptor head 21 to link to each other with described touch screen pin 14, test automatically by 24 pairs of described multiple spot touch screens 10 of described test circuit again and finally show the result.Thereby can need not to use expensive device, can not cause the test difficulty because using the multimeter indicator accurately to touch touch screen pin 14 again.
Claims (10)
1. multiple spot touch screen automatic testing equipment, described multiple spot touch screen comprise several signalling contacts of being distributed in each edge of grid matrix and with several touch screen pins one to one of this signalling contact respectively, it is characterized in that this proving installation comprises:
Test adaptor head, one end comprise first pin corresponding with described several touch screen pins, and its other end comprises several second pins, and each described first pin is corresponding to one second pin;
Test circuit, it comprises several branch circuits, whether respectively this branch circuit comprises first, second signal access point, and each described signal access point is respectively one by one corresponding to second pin of described test adaptor head, disconnect between the relative signalling contact of each described branch circuit test position.
2. multiple spot touch screen automatic testing equipment as claimed in claim 1 is characterized in that, described signal converting head and described test circuit integrate.
3. multiple spot touch screen automatic testing equipment as claimed in claim 1 is characterized in that, described signal converting head and described test circuit are separate element.
4. as claim 2 or 3 described multiple spot touch screen automatic testing equipments, it is characterized in that described branch circuit also comprises to be judged branch road and show branch road; The input end of described judgement branch road is described first, second signal access point, the output terminal output enable signal; Described demonstration branch road receives described enable signal and shows test results.
5. multiple spot touch screen automatic testing equipment as claimed in claim 4 is characterized in that, described judgement branch road comprises power supply, first resistance, second resistance, the 3rd resistance, N-MOS pipe; The described power supply of described first resistance, one termination, one end of described second resistance of described another termination of first resistance, the described second resistance other end ground connection, insert the described first signal access point between described first resistance and described second resistance, insert described secondary signal access point between described second resistance and ground; The described power supply of described the 3rd resistance one termination, the drain electrode of the described N-MOS pipe of another termination of described the 3rd resistance, the grid of described N-MOS pipe is connected between described secondary signal access point and the ground, the source ground of described N-MOS pipe.
6. multiple spot touch screen automatic testing equipment as claimed in claim 5 is characterized in that, described first resistance is 1000 ohm, and described second resistance is 5000～10000 ohm, and the resistance of described the 3rd resistance is 1000 ohm;
7. multiple spot touch screen automatic testing equipment as claimed in claim 4, it is characterized in that, described demonstration branch road comprises light emitting diode, the 4th resistance, described the 4th resistance one termination power, the positive pole of the described light emitting diode of another termination, the negative pole of described light emitting diode connects the drain electrode of described N-MOS pipe.
8. multiple spot touch screen automatic testing equipment as claimed in claim 7 is characterized in that, described the 4th resistance is 100 ohm.
9. multiple spot touch screen automatic testing equipment as claimed in claim 5 is characterized in that, also is connected to the 5th resistance between described secondary signal access point and the ground.
10. multiple spot touch screen automatic testing equipment as claimed in claim 9 is characterized in that, described the 5th resistance is 100,000 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210034778.5A CN103257300B (en) | 2012-02-16 | 2012-02-16 | Multipoint touch screen automatic testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210034778.5A CN103257300B (en) | 2012-02-16 | 2012-02-16 | Multipoint touch screen automatic testing equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN103257300A true CN103257300A (en) | 2013-08-21 |
| CN103257300B CN103257300B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210034778.5A Expired - Fee Related CN103257300B (en) | 2012-02-16 | 2012-02-16 | Multipoint touch screen automatic testing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324410A (en) * | 2015-06-19 | 2017-01-11 | 神讯电脑(昆山)有限公司 | Touch screen testing device |
| CN110208678A (en) * | 2019-06-14 | 2019-09-06 | 武汉天马微电子有限公司 | PCB switching system and fault testing method |
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| US20050035754A1 (en) * | 2003-08-15 | 2005-02-17 | Ho Swee Cheng | Socket connection test modules and methods of using the same |
| CN1808651A (en) * | 2006-01-13 | 2006-07-26 | 冯利 | Multi-functional safe touch power supply switch |
| CN101344563A (en) * | 2008-08-25 | 2009-01-14 | 苏州莱迪斯特电子有限公司 | Automatic test equipment and method for touch device |
| CN101782616A (en) * | 2010-03-02 | 2010-07-21 | 苏州日和科技有限公司 | Testing device for touch screens |
| CN201716401U (en) * | 2010-06-30 | 2011-01-19 | 深圳创维－Rgb电子有限公司 | Key control board detection device |
| TW201110004A (en) * | 2009-09-14 | 2011-03-16 | Raydium Semiconductor Corp | Touch sensing apparatus and touch sensing method |
| CN102121956A (en) * | 2010-11-26 | 2011-07-13 | 苏州佳世达电通有限公司 | Detection method and system of capacitance-type touch screen |
| CN202494737U (en) * | 2012-02-16 | 2012-10-17 | 神讯电脑(昆山)有限公司 | Automatic test device for multipoint touch screen |
-
2012
- 2012-02-16 CN CN201210034778.5A patent/CN103257300B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050035754A1 (en) * | 2003-08-15 | 2005-02-17 | Ho Swee Cheng | Socket connection test modules and methods of using the same |
| CN1808651A (en) * | 2006-01-13 | 2006-07-26 | 冯利 | Multi-functional safe touch power supply switch |
| CN101344563A (en) * | 2008-08-25 | 2009-01-14 | 苏州莱迪斯特电子有限公司 | Automatic test equipment and method for touch device |
| TW201110004A (en) * | 2009-09-14 | 2011-03-16 | Raydium Semiconductor Corp | Touch sensing apparatus and touch sensing method |
| CN101782616A (en) * | 2010-03-02 | 2010-07-21 | 苏州日和科技有限公司 | Testing device for touch screens |
| CN201716401U (en) * | 2010-06-30 | 2011-01-19 | 深圳创维－Rgb电子有限公司 | Key control board detection device |
| CN102121956A (en) * | 2010-11-26 | 2011-07-13 | 苏州佳世达电通有限公司 | Detection method and system of capacitance-type touch screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324410A (en) * | 2015-06-19 | 2017-01-11 | 神讯电脑(昆山)有限公司 | Touch screen testing device |
| CN106324410B (en) * | 2015-06-19 | 2019-03-01 | 神讯电脑(昆山)有限公司 | Testing device for touch screens |
| CN110208678A (en) * | 2019-06-14 | 2019-09-06 | 武汉天马微电子有限公司 | PCB switching system and fault testing method |
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| Publication number | Publication date |
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| CN103257300B (en) | 2016-01-20 |
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Granted publication date: 20160120 |