CN203276219U - Touch screen testing system - Google Patents

Touch screen testing system Download PDF

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Publication number
CN203276219U
CN203276219U CN 201320253989 CN201320253989U CN203276219U CN 203276219 U CN203276219 U CN 203276219U CN 201320253989 CN201320253989 CN 201320253989 CN 201320253989 U CN201320253989 U CN 201320253989U CN 203276219 U CN203276219 U CN 203276219U
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China
Prior art keywords
touch
signal
test
screen
control chip
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Expired - Fee Related
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CN 201320253989
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Chinese (zh)
Inventor
池天能
关赛新
蔡荣军
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Suzhou OFilm Tech Co Ltd
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Suzhou OFilm Tech Co Ltd
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Priority to CN 201320253989 priority Critical patent/CN203276219U/en
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Abstract

The utility model provides a touch screen testing system. Testing touch information of a touch screen is received through a touch control chip corresponding to the touch screen and arranged on a test plate, a corresponding testing pulse signal is sent to a signal processing module, the signal processing module is used for processing the testing pulse signal, so as to obtain a testing signal which can be identified by an upper computer, the testing signal is sent to the upper computer, and the upper computer judges whether the testing signal is consistent with a preset judging signal, and if the testing signal is consistent with the judging signal, the touch screen is a good product correspondingly. As the test plate for bridging is added, the touch screen can be tested when the control chip of the touch screen is positioned on each of the main boards of electronic products such as mobile phones and PCs.

Description

The testing touch screen system
Technical field
The utility model relates to the touch screen technology field, particularly relates to a kind of testing touch screen system.
Background technology
Touch-screen is a kind of induction type liquid crystal indicator that receives the input signals such as contact, touch-screen can be mobile phone, PC(personal computer, personal computer) touch-screen on is simple, convenient, the most natural present a kind of man-machine interaction mode.It has given multimedia with brand-new looks, is extremely attractive brand-new multimedia interactive equipment.Be mainly used in inquiry, leader's office, Industry Control, military commanding, electronic game, choosing song or selecting dish, multimedia teaching, real estate presell of public information etc.For guaranteeing that touch screen function is good, must carry out functional test to touch-screen.
Traditional testing touch screen method is to being positioned at touch-screen FPC(Flexible Printed Circuit, flexible print circuit) signal of the control chip of plate output processes, and judges according to the signal after processing whether touch-screen is qualified.When being positioned at the mainboard of the electronic products such as mobile phone, flat board when control chip, the FPC plate of touch-screen is just drawn the signalling channel of touch-screen, and traditional method of testing can't be tested.
The utility model content
Based on this, when being necessary to provide a kind of mainboard that is positioned at the electronic products such as mobile phone, flat board when control chip, the testing touch screen system that can test touch-screen.
A kind of testing touch screen system, comprise test board, signal processing module and host computer, described test board connects the signalling channel interface of touch-screen, described host computer is connected with described test board by described signal processing module, described test board comprises the touch-control chip corresponding with described touch-screen, described touch-control chip is provided with signaling interface and communication interface, the signaling interface of described touch-control chip connects the signalling channel interface of described touch-screen, and the communication interface of described touch-control chip connects described signal processing module; Described touch-control chip is used for receiving the test touching information of described touch-screen, and sends corresponding test pulse signal to described signal processing module; Described signal processing module is processed described test pulse signal, obtains the test signal of described upper function identification, and described test signal is sent to described host computer; Described host computer judges described test signal judges with default whether signal is consistent, if described test signal is consistent with described judgement signal, corresponding touch-screen is non-defective unit.
In embodiment, described test board comprises connector and breakout box therein, and the signaling interface of described touch-control chip is connected with the signalling channel interface of described touch-screen by described connector; The communication interface of described touch-control chip connects described signal processing module by described breakout box.
Therein in embodiment, the signalling channel interface of described touch-screen comprises driving channel interface and induction channels interface, described connector is connected with the signaling interface of induction channels circuit with described touch-control chip by driving port line, and described driving port line and induction channels circuit are not parallel to each other.
In embodiment, the communication interface of described touch-control chip is connected with described breakout box by communication line therein, and described communication line and described driving port line and induction channels circuit are all not parallel, and all do not intersect.
Therein in embodiment, described host computer comprises initialization unit, described initialization unit is carried out hardware initialization to signal processing module, described touch-control chip is after described initialization unit is carried out hardware initialization to described signal processing module, receive the test touching information of described touch-screen, and send corresponding test pulse signal to described signal processing module.
Therein in embodiment, described host computer comprises receiving element and comparing unit, described receiving element is used for receiving test instruction, described host computer is controlled described comparing unit and is judged that described test signal judges with default whether signal is consistent after described receiving element receives described test instruction.
In embodiment, described host computer comprises alarm unit therein, and described alarm unit is used for giving the alarm when the described test signal of described host computer judgement and judgement signal are inconsistent.
Above-mentioned testing touch screen system, by being arranged at test board, and the touch-control chip corresponding with touch-screen receives the test touching information of touch-screen, and send corresponding test pulse signal to signal processing module, signal processing module is processed the test pulse signal, obtains the test signal of upper function identification and is sent to host computer, and host computer judges that test signal judges with default whether signal is consistent, if test signal is consistent with the judgement signal, corresponding touch-screen is non-defective unit.Owing to having increased the test board that plays the bridge joint effect, when the control chip of touch-screen is positioned on the mainboard of the electronic products such as mobile phone, PC, also can test touch-screen.
Description of drawings
Fig. 1 is the structural drawing of testing touch screen system in an embodiment;
Fig. 2 is the structural drawing of testing touch screen system in another embodiment.
Embodiment
Touch-screen is a kind of induction type liquid crystal indicator that receives the input signal such as contact, is simple, convenient, the most natural a kind of man-machine interaction mode at present.It has given multimedia with brand-new looks, is extremely attractive brand-new multimedia interactive equipment.For guaranteeing that touch screen function is good, must carry out functional test to touch-screen.The testing touch screen system that the utility model provides, by being arranged at test board, and the touch-control chip corresponding with touch-screen receives the test touching information of touch-screen, and send corresponding test pulse signal to signal processing module, signal processing module is processed the test pulse signal, obtain the test signal of upper function identification and be sent to host computer, host computer judges that test signal judges with default whether signal is consistent, if test signal is consistent with the judgement signal, corresponding touch-screen is non-defective unit.Owing to having increased the test board that plays the bridge joint effect, when the control chip of touch-screen is positioned on the mainboard of the electronic products such as mobile phone, PC, also can test touch-screen.
Be elaborated below in conjunction with the embodiment of accompanying drawing to the testing touch screen system.
A kind of testing touch screen system, touch-screen can be resistive touch screen, capacitive touch screen etc.As shown in Figure 1, the testing touch screen system comprises test board 110, signal processing module 120 and host computer 130, and host computer 130 can be PC(personal compute, PC) or notebook etc.Test board 110 connects the signalling channel interface of touch-screen 200, and host computer 130 connects 110 by signal processing module 120 and test board and connects.
Test board 110 comprises touch-control chip 112, can according to touch-control chip 112 pinout design touch-control chip 112 peripheral circuits, use designing requirement to meet touch-control chip 112.Touch-control chip 112 is provided with signaling interface and communication interface, and the signaling interface of touch-control chip 112 connects the signalling channel interface of touch-screen 200, and the communication interface of touch-control chip 112 connects signal processing module 120.
Touch-control chip 112 is used for receiving the test touching information of touch-screen 200, and sends corresponding test pulse signal to signal processing module 120.Test touching information can comprise touch position, touching area and touching duration etc., and touch-control chip 112 is corresponding with touch-screen 200, can select corresponding touch-control chip according to the model of touch-screen, and a kind of touch-control chip is applicable to the touch-screen of Multiple Type.
Signal processing module 120 is used for the test pulse signal is processed, and obtains the test signal that host computer 130 can be identified, and host computer 130 is stated in the test signal transmission.In the present embodiment, signal processing module 120 can pass through USB(Universal Serial BUS, USB (universal serial bus)) interface is connected with host computer 130.
Host computer 130 is used for judging test signal judges with default whether signal is consistent, if test signal is consistent with the judgement signal, corresponding touch-screen is non-defective unit, and test stops, and can again test after the replacing touch-screen.If test signal is inconsistent with the judgement signal, corresponding touch-screen is defective products.In the present embodiment, test signal and judgement signal are direct current signal.Be appreciated that in other embodiments test signal and judgement signal can be also other signals, only need satisfy host computer 130 and can identify and get final product.
In the present embodiment, when touch-screen 200 is tested, the each test touching information that receives of touch-control chip 112 is all identical, and the default judgement signal of 130 need of host computer just can judge a plurality of touch-screens continuously, can test touch-screen 200 easily and fast.In other embodiments, but the test of each test touching information part is identical, can be all not identical yet, but need host computer 130 to preset the judgement signal of a plurality of correspondences.
As shown in 2, test board 110 can comprise connector 114 and breakout box 116, and the signaling interface of touch-control chip 112 is connected with the signalling channel interface of touch-screen 200 by connector 114; The communication interface of touch-control chip 112 connects signal processing module 120 by breakout box 116.
Connector 114 is provided with the signalling channel corresponding with the signalling channel interface of touch-screen 200 and the transmission channel corresponding with the signaling interface of touch-control chip 112, the signaling interface of touch-control chip 112 is connected with the signalling channel interface of touch-screen 200 by connector 114, is connected with the signalling channel interface of touch-screen 200 with the signaling interface of realizing touch-control chip 112.Breakout box 116 is provided with the input channel corresponding with the communication interface of touch-control chip 112 and the output channel corresponding with the input interface of signal processing module 120, is connected with signal processing module 120 with the communication interface that realizes touch-control chip 112.In other embodiments, test board 110 also can not comprise connector 114 and breakout box 116, but at test board 110 outer setting interface conversion circuits, realizes the interface conversion between touch-screen 200, touch-control chip 112 and signal processing module 120.
Particularly, the signalling channel interface of touch-screen 200 can comprise driving channel interface and induction channels.Connector 114 is connected with the signaling interface of induction channels circuit with touch-control chip 112 by driving port line, driving port line and induction channels circuit can intersect and also can not intersect, be not parallel to each other as long as satisfy, to avoid driving the signal mutual interference mutually of transmitting in port line and induction channels circuit, and reduce the accuracy of testing, thereby realize touch-screen 200 is carried out the test of high accuracy.If drive port line and induction channels crossing elimination, can be set to square crossing, can further avoid the signal phase mutual interference of transmitting.
The communication interface of touch-control chip 112 is connected with breakout box 116 by communication line, and touch-control chip 112 sends the test pulse signal to breakout box 116, then is sent to signal processing module 120 by breakout box 116.In the present embodiment, communication line can be designed to and drive port line and the induction channels circuit is all not parallel, and does not all intersect.Design can be avoided driving the signal that transmits in port line and induction channels circuit and disturbed by the test pulse signal in communication line like this, when touch-screen 200 is tested, can further improve test accuracy.
Above-mentioned testing touch screen system, by being arranged at test board 110, and the touch-control chip 112 corresponding with touch-screen 200, receive the test touching information of touch-screen 200, and send corresponding test pulse signal to signal processing module 120,120 pairs of test pulse signals of signal processing module are processed, and obtain the test signal that host computer 130 can identify and are sent to host computer 130, and host computer 130 judges that test signal judges with default whether signal is consistent.If test signal is consistent with the judgement signal, corresponding touch-screen 200 is non-defective unit.Owing to having increased the test board 110 that plays the bridge joint effect, when the control chip of touch-screen 200 is positioned on the mainboard of the electronic products such as mobile phone, PC, also can test touch-screen 200.
In embodiment, host computer 130 can comprise initialization unit therein, and described initialization unit is used for signal processing module 120 is carried out hardware initialization, causes to avoid occurring the program sideslip in test process crashing, and can't measure touch-screen 200.Touch-control chip 112 is accepted the test touching information of touch-screen 200 after initialization unit is carried out hardware initialization to signal processing module 120, and sends corresponding test pulse signal to signal processing module 120.
Continuation is with reference to Fig. 2, host computer also can comprise receiving element 132 and comparing unit, receiving element 132 is used for receiving test instruction, host computer 130 is after receiving element 132 receives test instruction, control ratio judges with default whether signal is consistent than the unit judges test signal, test instruction can send by various ways, as send or click by mouse test icon of host computer 130 display interfaces etc. by pushbutton switch.when the touch-screen 200 that will need to test with after test board 110 is connected, touch-control chip 112 receives test touching information in real time, and send corresponding test pulse signal to signal processing module 120, signal processing module 120 is processed the test pulse signal and is obtained test signal and be sent to host computer 130, host computer 130 is after receiving element 132 receives test instruction, just can control comparing unit judges test signal, can avoid maloperation, improve testing touch screen Systems balanth and security, host computer 130 need not judge the test signal that receives in real time simultaneously, reduced the working load of host computer 130, can avoid host computer 130 because of the overload paralysis, and can't test touch-screen 200.
Host computer 130 also can comprise alarm unit 134, and alarm unit 134 is used for giving the alarm when host computer 130 judgement test signals are inconsistent with the judgement signal, makes the staff can in time find defective products, guarantees to exist the touch-screen of defective can not come into the market.Also can be convenient to the technician defective products is carried out change in design, and again utilize this testing touch screen system to test to the touch-screen after change in design, defective products is carried out change in design can avoid waste, and effectively reduces production costs.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (7)

1. a testing touch screen system, is characterized in that, comprises test board, signal processing module and host computer, and described test board connects the signalling channel interface of touch-screen, and described host computer is connected with described test board by described signal processing module,
Described test board comprises the touch-control chip corresponding with described touch-screen, described touch-control chip is provided with signaling interface and communication interface, the signaling interface of described touch-control chip connects the signalling channel interface of described touch-screen, and the communication interface of described touch-control chip connects described signal processing module; Described touch-control chip is used for receiving the test touching information of described touch-screen, and sends corresponding test pulse signal to described signal processing module;
Described signal processing module is processed described test pulse signal, obtains the test signal of described upper function identification, and described test signal is sent to described host computer;
Described host computer judges described test signal judges with default whether signal is consistent, if described test signal is consistent with described judgement signal, corresponding touch-screen is non-defective unit.
2. testing touch screen according to claim 1 system, is characterized in that, described test board comprises connector and breakout box, and the signaling interface of described touch-control chip is connected with the signalling channel interface of described touch-screen by described connector; The communication interface of described touch-control chip connects described signal processing module by described breakout box.
3. testing touch screen according to claim 2 system, it is characterized in that, the signalling channel interface of described touch-screen comprises driving channel interface and induction channels interface, described connector is connected with the signaling interface of induction channels circuit with described touch-control chip by driving port line, and described driving port line and induction channels circuit are not parallel to each other.
4. testing touch screen according to claim 3 system, it is characterized in that, the communication interface of described touch-control chip is connected with described breakout box by communication line, and described communication line and described driving port line and induction channels circuit are all not parallel, and all do not intersect.
5. testing touch screen according to claim 1 system, it is characterized in that, described host computer comprises initialization unit, described initialization unit is carried out hardware initialization to signal processing module, described touch-control chip is after described initialization unit is carried out hardware initialization to described signal processing module, receive the test touching information of described touch-screen, and send corresponding test pulse signal to described signal processing module.
6. testing touch screen according to claim 1 system, it is characterized in that, described host computer comprises receiving element and comparing unit, described receiving element is used for receiving test instruction, described host computer is controlled described comparing unit and is judged that described test signal judges with default whether signal is consistent after described receiving element receives described test instruction.
7. the described testing touch screen of according to claim 1 to 6 any one system, is characterized in that, described host computer comprises alarm unit, and described alarm unit is used for giving the alarm when the described test signal of described host computer judgement and judgement signal are inconsistent.
CN 201320253989 2013-05-10 2013-05-10 Touch screen testing system Expired - Fee Related CN203276219U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103245864A (en) * 2013-05-10 2013-08-14 苏州欧菲光科技有限公司 Touch screen testing system and method
CN106990892A (en) * 2017-03-03 2017-07-28 惠州Tcl移动通信有限公司 A kind of method and system of picture Dynamic Announce

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103245864A (en) * 2013-05-10 2013-08-14 苏州欧菲光科技有限公司 Touch screen testing system and method
CN106990892A (en) * 2017-03-03 2017-07-28 惠州Tcl移动通信有限公司 A kind of method and system of picture Dynamic Announce

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131106

Termination date: 20160510

CF01 Termination of patent right due to non-payment of annual fee