CN103257300B - Multipoint touch screen automatic testing equipment - Google Patents
Multipoint touch screen automatic testing equipment Download PDFInfo
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- CN103257300B CN103257300B CN201210034778.5A CN201210034778A CN103257300B CN 103257300 B CN103257300 B CN 103257300B CN 201210034778 A CN201210034778 A CN 201210034778A CN 103257300 B CN103257300 B CN 103257300B
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- resistance
- touch screen
- access point
- testing equipment
- automatic testing
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- 238000012360 testing method Methods 0.000 title claims abstract description 69
- 230000011664 signaling Effects 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 4
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Abstract
The present invention discloses a kind of multipoint touch screen automatic testing equipment, described multipoint touch screen comprise several signalling contacts of being distributed in each edge of grid matrix and with each this signalling contact several touch screen pins one to one, this proving installation comprises: test adaptor head, its one end comprises first pin corresponding with several touch screen pins described, its other end comprises several the second pins, and each described first pin corresponds to one second pin; Test circuit, it comprises several branch circuits, respectively this branch circuit comprises first, second signal access point, and whether each described signal access point respectively one_to_one corresponding, in the second pin of described test adaptor head, disconnects between the signalling contact that each described branch circuit test position is relative.Thus without the need to using expensive device, can not cause test difficulty because using multimeter indicator accurately cannot touch touch screen pin again.
Description
[technical field]
The present invention relates to a kind of automatic testing equipment, particularly relate to a kind of multipoint touch screen automatic testing equipment.
[background technology]
Along with the development that science and technology is maked rapid progress, touch screen displays is applied in daily life more and more widely, is also more and more subject to the favor of people.Meanwhile, multipoint touch screen technology is also very popular instantly.
For the realization of multipoint touch screen function, depend on the control of many pin (pin), need during testing and analysis to check the situation often organized, to confirm often group.Incorporated by reference to consulting Fig. 1, Fig. 2, Fig. 1 illustrates as a kind of structural representation of multipoint touch screen, Fig. 2 illustrate the table of comparisons into pin each in Fig. 1 and signalling contact.Need the grid matrix 11 divided multipoint touch screen 10 many in Fig. 1 to do the test of every a line and each row, for 14 row, 16 row in scheming, then need to do 30 tests, with determine every a line and each to arrange the group formed be open circuit or normally.Wherein first to arrange, then whether the loop needing test YU01 signalling contact 12 and YD01 signalling contact 12 to be formed is normal, and the pin of correspondence is the 21st pin and the 22nd pin.
When carrying out production test, the expensive equipment such as line survey are usually needed to verify; And when analyzing, usual condition needs to use multimeter to confirm grid matrix 11, due to pin comparatively dense, be difficult to accurately touching.
In view of this, be necessary to develop a kind of multipoint touch screen automatic testing equipment, to solve the problem in fact.
[summary of the invention]
Therefore, the object of this invention is to provide a kind of multipoint touch screen automatic testing equipment, thus without the need to using expensive device, can not cause test difficulty because using multimeter indicator accurately cannot touch touch screen pin again.
In order to achieve the above object, multipoint touch screen automatic testing equipment provided by the invention, described multipoint touch screen comprise several signalling contacts of being distributed in each edge of grid matrix and with each this signalling contact several touch screen pins one to one, this proving installation comprises:
Test adaptor head, its one end comprises first pin corresponding with several touch screen pins described, and its other end comprises several the second pins, and each described first pin corresponds to one second pin;
Test circuit, it comprises several branch circuits, respectively this branch circuit comprises first, second signal access point, and whether each described signal access point respectively one_to_one corresponding, in the second pin of described test adaptor head, disconnects between the signalling contact that each described branch circuit test position is relative.
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 comprise judge branch road and display branch road; The input end of described judgement branch road is first, second signal access point described, output terminal output enable signal; Described display branch road receives described enable signal and shows test results.
Optionally, described judgement branch road comprises power supply, the first resistance, the second resistance, the 3rd resistance, N-MOS pipe; Power supply described in described first resistance one termination, one end of second resistance described in described another termination of first resistance, described second resistance other end ground connection, access described first signal access point between described first resistance and described second resistance, between described second resistance and ground, access described secondary signal access point; Power supply described in described 3rd resistance one termination, the drain electrode of N-MOS pipe described in another termination of described 3rd resistance, the grid of described N-MOS pipe is connected between described secondary signal access point and 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 3rd resistance is 1000 ohm;
Optionally, described display branch road comprises light emitting diode, the 4th resistance, described 4th resistance one termination power, and the positive pole of light emitting diode described in another termination, the negative pole of described light emitting diode connects the drain electrode of described N-MOS pipe.
Optionally, described 4th resistance is 100 ohm.
Optionally, the 5th resistance is also connected between described secondary signal access point and ground.
Optionally, described 5th resistance is 100,000 ohm.
Compared to prior art, utilize object multipoint touch screen automatic testing equipment of the present invention, owing to adopting test adaptor head to be connected with described touch screen pin, then carry out automatically testing and finally showing result to described multipoint touch screen by described test circuit.Thus without the need to using expensive device, can not cause test difficulty because using multimeter indicator accurately cannot touch touch screen pin again.
[accompanying drawing explanation]
Fig. 1 illustrates the structural representation into a kind of multipoint touch screen.
Fig. 2 illustrates the table of comparisons into pin each in Fig. 1 and signalling contact.
Fig. 3 illustrates as multipoint touch screen automatic testing equipment square frame module map of the present invention.
Fig. 4 illustrates the branch circuit structural representation into multipoint touch screen automatic testing equipment one of the present invention preferred embodiment.
[embodiment]
Please continue to refer to Fig. 1, Fig. 2, then Fig. 3 is consulted in combination, and Fig. 3 illustrates as multipoint touch screen automatic testing equipment square frame module map of the present invention.
In order to achieve the above object, multipoint touch screen automatic testing equipment provided by the invention, described multipoint touch screen 10 comprise several signalling contacts 12 of being distributed in each edge of grid matrix 11 and with each this signalling contact 12 several touch screen pins 14 (these several touch screen pins 14 form Signal connector 13) one to one, this proving installation 20 comprises:
Test adaptor head 21, its one end comprises first pin 22 corresponding with several touch screen pins 14 described, and its other end comprises several the second pins 23, and each described first pin 22 corresponds to one second pin 23;
Test circuit 24, it comprises several branch circuits 25, respectively this branch circuit 25 comprises the first signal access point 26, secondary signal access point 27, whether each described signal access point respectively one_to_one corresponding, in the second pin 23 of described test adaptor head 21, disconnects between the signalling contact 12 that each described branch circuit 25 test position is relative.
Wherein, described signal converting head 21 and described test circuit 24 be separate element, and the multipoint touch screen 10 of foundation different size so can be facilitated to change described signal converting head 21, and then can reach described test circuit 24 and can have better versatility.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 determined according to the signalling contact 12 of the required test of multipoint touch screen 10 of different size).
Please continue to refer to Fig. 3, then Fig. 4 is consulted in combination, and Fig. 4 illustrates the branch circuit structural representation into multipoint touch screen automatic testing equipment one of the present invention preferred embodiment.
Wherein, described branch circuit 25 also comprises and judges branch road 28 and display branch road 29; The input end of described judgement branch road 28 is described first signal access point 26, secondary signal access point 27, output terminal output enable signal; Described display 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; Power supply 30 described in described first resistance 31 1 termination, one end of second resistance 32 described in described first another termination of resistance 31, described second resistance 32 other end ground connection, access described first signal access point 26 between described first resistance 31 and described second resistance 33, between described second resistance 32 and ground, access described secondary signal access point 27; Power supply 30 described in described 3rd resistance 33 1 termination, the drain electrode of N-MOS pipe 34 described in another termination of described 3rd resistance 33, the grid of described N-MOS pipe 34 is connected between described secondary signal access point 27 and ground, the source ground of described N-MOS pipe 34.
Wherein, described first resistance 31 resistance can be 1000 ohm, and described second resistance 32 resistance is corresponding can be 5000 ~ 10000 ohm, and the resistance of described 3rd resistance 33 is corresponding can be 1000 ohm;
Wherein, described display branch road 29 can also comprise light emitting diode 35, the 4th resistance 36, described 4th resistance 36 1 termination power 30, and the positive pole of light emitting diode 35 described in another termination, the negative pole of described light emitting diode 35 connects the drain electrode of described N-MOS pipe 34.
Wherein, described 4th resistance 36 resistance is corresponding can be 100 ohm.
In time testing, described first signal access point 26 and described secondary signal access point 27 receive the touching signal that described signalling contact 12 produces, for YU01 and YD01, the corresponding YU01 of described first signal access point 26, the corresponding YD01 of described secondary signal access point 27.When being path when 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 the conducting of described light emitting diode 35 is also luminous.Therefore, when described light emitting diode 35 is luminous, then test result is position path between relative binary signal contact 12, corresponding position; When described light emitting diode 35 is not luminous, then test result is position open circuit between relative binary signal contact 12, corresponding position.
Wherein, the 5th resistance 37 (pulllow resistance) can also be connected between described secondary signal access point 27 and ground, thus between described first signal access point 26 and described secondary signal access point 27 during short circuit, directly the grid of described N-MOS pipe 34 is drawn as low level, avoid drift.Wherein, described 5th resistance 37 resistance can be 100,000 ohm.
Compared to prior art, utilize object multipoint touch screen automatic testing equipment of the present invention, owing to adopting test adaptor head 21 to be connected with described touch screen pin 14, then carry out automatically testing and finally showing result to described multipoint touch screen 10 by described test circuit 24.Thus without the need to using expensive device, can not cause test difficulty because using multimeter indicator accurately cannot touch touch screen pin 14 again.
Claims (8)
1. a multipoint touch screen automatic testing equipment, described multipoint touch screen comprise several signalling contacts of being distributed in each edge of grid matrix and with each this signalling contact several touch screen pins one to one, it is characterized in that, this proving installation comprises:
Test adaptor head, its one end comprises first pin corresponding with several touch screen pins described, and its other end comprises several the second pins, and each described first pin corresponds to one second pin;
Test circuit, it comprises several branch circuits, respectively this branch circuit comprises first, second signal access point, and whether each described signal access point respectively one_to_one corresponding, in the second pin of described test adaptor head, disconnects between the signalling contact that each described branch circuit test position is relative;
Wherein, described branch circuit also comprise judge branch road and display branch road; The input end of described judgement branch road is first, second signal access point described, output terminal output enable signal; Described display branch road receives described enable signal and shows test results; Described judgement branch road comprises power supply, the first resistance, the second resistance, the 3rd resistance, N-MOS pipe; Power supply described in described first resistance one termination, one end of second resistance described in described another termination of first resistance, described second resistance other end ground connection, access described first signal access point between described first resistance and described second resistance, between described second resistance and ground, access described secondary signal access point; Power supply described in described 3rd resistance one termination, the drain electrode of N-MOS pipe described in another termination of described 3rd resistance, the grid of described N-MOS pipe is connected between described secondary signal access point and ground, the source ground of described N-MOS pipe.
2. multipoint touch screen automatic testing equipment as claimed in claim 1, it is characterized in that, described signal converting head and described test circuit integrate.
3. multipoint touch screen automatic testing equipment as claimed in claim 1, it is characterized in that, described signal converting head and described test circuit are separate element.
4. multipoint touch screen automatic testing equipment as claimed in claim 1, it is characterized in that, described first resistance is 1000 ohm, and described second resistance is 5000 ~ 10000 ohm, and the resistance of described 3rd resistance is 1000 ohm.
5. multipoint touch screen automatic testing equipment as claimed in claim 1, it is characterized in that, described display branch road comprises light emitting diode, the 4th resistance, described 4th resistance one termination power, the positive pole of light emitting diode described in another termination, the negative pole of described light emitting diode connects the drain electrode of described N-MOS pipe.
6. multipoint touch screen automatic testing equipment as claimed in claim 5, it is characterized in that, described 4th resistance is 100 ohm.
7. multipoint touch screen automatic testing equipment as claimed in claim 1, is characterized in that, be also connected to the 5th resistance between described secondary signal access point and ground.
8. multipoint touch screen automatic testing equipment as claimed in claim 7, it is characterized in that, described 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 |
|---|---|
| CN103257300A CN103257300A (en) | 2013-08-21 |
| CN103257300B true CN103257300B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210034778.5A Expired - Fee Related CN103257300B (en) | 2012-02-16 | 2012-02-16 | Multipoint touch screen automatic testing equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6956387B2 (en) * | 2003-08-15 | 2005-10-18 | Intel Corporation | Socket connection test modules and methods of using the same |
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2012
- 2012-02-16 CN CN201210034778.5A patent/CN103257300B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| CN103257300A (en) | 2013-08-21 |
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