CN103852391A - Method and system for testing wear resistance of touch screen - Google Patents
Method and system for testing wear resistance of touch screen Download PDFInfo
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- CN103852391A CN103852391A CN201210499732.0A CN201210499732A CN103852391A CN 103852391 A CN103852391 A CN 103852391A CN 201210499732 A CN201210499732 A CN 201210499732A CN 103852391 A CN103852391 A CN 103852391A
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Abstract
The invention provides a method for testing wear resistance of a touch screen. The method comprises the following steps of raising the touch screen facing down, putting the touch screen into an incubator, putting weights for quality setting in the center of the touch screen, adjusting an incubator temperature and test time, carrying out a high-temperature aging test, then turning the touch screen over, carrying out the high-temperature aging test again at the same test temperature for the same time, carrying out recovery based on the normal mechanism, determining a test position of the touch screen and a test tool, carrying out a wear resistance test by repeatedly moving the test tool at the test position at a set angle by a set force preset times, carrying out routine inspection on the touch screen and outputting an inspection result. The invention also provides a system for testing wear resistance of the touch screen. The method and system can fast detect inner defects of a plastic housing with metal inserts and can determine if the touch screen used in a low-temperature environment for a long time can satisfy use requirements.
Description
Technical field
The present invention relates to a kind of method of testing, relate in particular to a kind of method of testing and test macro of touch-screen wearing quality.
Background technology
Touch-screen (touch screen) is called again " touch screen ", " contact panel ", it is a kind of induction type liquid crystal indicator that receives the input signals such as contact, in the time having contacted the graphic button on screen, haptic feedback system on screen can drive various hookup mechanisms according to the formula of programming in advance, can be in order to replace mechanical push button panel, and produce lively visual and sound effects by liquid crystal display picture.Touch-screen is as a kind of up-to-date computer input apparatus, and it is the simplest, convenient, natural a kind of man-machine interaction mode at present.
Touch Screen except given user more directly, easily operating experience, also make the profile of mobile phone become that fashion is frivolous more, increase the cordial feeling of man-machine direct interaction, caused warmly pursuing of consumer, also opened the journey that touch-screen strides forward to main flow operation and control interface simultaneously.It is more and more extensive that touch-screen applications scope has become, from the control/operating system of the shop equipment of industrial use, the electronic enquiry facility of public information inquiry, the cash machine of commercial use, to mobile phone, the PDA(Personal Digital Assistant of consumer electronics, palm PC), digital camera etc. all can see the figure of Touch Screen, the market developing prospect of touch-screen is very tempting.
Along with touch-screen applications is more and more extensive, the reliability of touch-screen and durability more and more cause everybody attention, but touch-screen method for testing reliability only limits to some conventional performance tests at present, such as impedance between touch-screen terminal, the linearity, insulation impedances etc., cannot assess touch-screen in hot environment and after long-term use, and whether the wearing quality of touch-screen can meet user's requirement.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiency that above-mentioned prior art exists, and a kind of method of testing and test macro of touch-screen wearing quality are proposed, by the high temperature ageing test to touch-screen, just judge rapidly after long-term use, whether touch-screen can meet request for utilization, and shield wearing quality by test touch, expose the thin spot of touch-screen in material, structural design.
For solving the problems of the technologies described above, the present invention proposes a kind of method of testing of touch-screen wearing quality, comprise the steps: after touch-screen is padded down to put in incubator, place in the middle part of touch-screen the counterweight of setting quality again, regulate temperature and the test duration of incubator, carry out high temperature ageing test, then touch-screen is overturn, keep temperature and test duration, carry out again high temperature ageing test; From incubator, take out touch-screen, touch-screen placement is no less than to setting-up time at normal temperatures and carries out the recovery of normality mechanism, then touch-screen is fixed on test platform upward; Determine test position and the testing tool of touch-screen, testing tool with set angle and setting dynamics in test position motion preset times repeatedly to carry out wearability test, set angle scope is 30 ° to 60 °, and setting dynamics scope is 8N to 12N, and preset times is 25 times; Touch-screen is checked routinely to outgoing inspection result.
Preferably, the temperature of incubator is 60 ° of C, and the test duration is 120 hours, and setting quality is 50g.
Preferably, setting-up time is 2 hours.
Preferably, test position is the p-wire apart from 1/3 place, edge of touch-screen.
Preferably, testing tool is the B2 pencil-lead being fixed on thrust meter.
Preferably, the diameter range of B2 pencil-lead is 4mm to 6mm.
Preferably, the diameter of B2 pencil-lead is 7mm.
Preferably, set angle is 45 °, and setting dynamics is 10N.
The present invention also proposes a kind of test macro of touch-screen wearing quality, comprising: for the aging equipment of high temperature ageing test; For the bracing or strutting arrangement at the padded touch-screen of aging equipment; For the testing tool of wearability test; For the test platform of fixing touch-screen; For the testing fixture checking routinely; And for the output unit of outgoing inspection result.
Compared with prior art, the method of testing of touch-screen wearing quality of the present invention and test macro, carry out high temperature ageing test by touch-screen, can short time fast detecting go out the defect with metal insert plastic casing inherence, screen in advance, verify bad sample, the q&r that improves product, has improved the market competitiveness.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the method for testing of touch-screen wearing quality of the present invention.
Fig. 2 is the structured flowchart of the test macro of touch-screen wearing quality of the present invention.
Description of reference numerals is as follows: aging equipment 11 bracing or strutting arrangement 12 test platform 13 testing tool 14 testing fixture 15 output unit 16 touch-screens 2
Embodiment
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Refer to Fig. 1, the method for testing of touch-screen wearing quality of the present invention, comprises the steps:
Before official testing, can also comprise step S101.
Step S101: check routinely, comprise: check the surface of touch-screen whether occur dirty, unfilled corner, slight crack and bubble diameter be less than the phenomenons such as 0.2mm, touch screen function whether normal, touch location whether accurately, whether impedance meets the requirements between terminal, whether insulation impedance is greater than 20M Ω, whether the linearity is less than 1.5%, can confirm the key property of touch-screen and quality status like this, guarantee the validity of follow-up test.In the present embodiment, touch-screen is of a size of 3.6 cun.
Step S102: put in incubator after touch-screen is padded down, then place in the middle part of touch-screen the counterweight of setting quality, regulate temperature and the test duration of incubator, carry out high temperature ageing test, again touch-screen is overturn, keep temperature and test duration, carry out again high temperature ageing test.Wherein, the temperature of incubator is 60 ° of C, and the test duration is 120 hours, and the setting quality of counterweight is 50g.
Be specially, use the steel cushion block of 4 10mm*10mm*10mm, by touch-screen smooth being positioned in incubator down, adopting steel cushion block by padded 4 angles of touch-screen, then in the middle of touch-screen, place 50g counterweight, Temperature of Warm Case is adjusted into 60 ℃, test duration is adjusted into 120 hours, starts incubator and carries out high temperature ageing test, after within 120 hours, being completed, touch-screen overturn and be placed under 60 ℃ of environment, proceeding high temperature ageing test in 120 hours.
Step S103: take out touch-screen from incubator, touch-screen placement is no less than to setting-up time at normal temperatures and carries out the recovery of normality mechanism, then described touch-screen is fixed on test platform upward.Wherein, setting-up time is 2 hours.
Step S104: determine test position and the testing tool of touch-screen, testing tool with set angle and setting dynamics in test position motion preset times repeatedly to carry out wearability test.
Wherein, test position is the p-wire apart from 1/3 place, four edge, touch-screen upper and lower, left and right.Testing tool is preferably hardness 25 ° of HS(Shore hardness) to the B2 pencil between 35 ° of HS, pencil is whittled into the diameter range that reveals pen core between 4mm to 6mm, the scope of set angle, between 30 ° to 60 °, is set the scope of dynamics between 8N to 12N, and preset times is 25 times.
Be specially, pencil is not cut to end to be fixed together with thrust meter, the pencil point that is 5mm by the diameter that reveals pen core is aimed at the p-wire of touch-screen, make pencil and touch screen surface form 45° angle, the angle that keeps pencil and touch-screen to form, use thrust meter to apply the thrust of a 10N to testing touch screen line, every p-wire need carry out the wearability test of 25 times continuously.
Step S105: according to step S101, again touch-screen is checked routinely, and outgoing inspection result.If testing result is that product is defective, stop test, and the abnormal cause of test products is analyzed, notice design department rectifies and improves extremely for test, so just guarantees to exist the product of design defect to be just resolved in the design phase.
Refer to Fig. 2, the present invention also proposes a kind of test macro of touch-screen wearing quality, comprising: for the aging equipment 11 of high temperature ageing test, for the bracing or strutting arrangement 12 at the padded touch-screen 2 of aging equipment, for the testing tool 14 of wearability test, for the test platform 13 of fixing touch-screen 2, for the testing fixture 15 that checks routinely and for the output unit 16 of outgoing inspection result.In the present embodiment, aging equipment 11 is incubator, and bracing or strutting arrangement 12 is for being padded on the cushion block at 2 four angles of touch-screen, and testing tool 14 is for being fixed on the B2 pencil-lead on thrust meter, and pick-up unit 15 is detecting instrument, the display screen that output unit 16 is computer.Wherein, detecting instrument and dataphone, be transferred to computer test result, and computer expert crosses display screen and shows result.If find the defect on touch-screen 2, computer will recording defect place, is the design illumination foundation of product.
Compared with prior art, after the method for testing of touch-screen wearing quality of the present invention and test macro are tested by high temperature ageing touch-screen being carried out 240 hours, carry out again wearability test, can find out the thin spot of product design, can short time fast detecting go out the defect with metal insert plastic casing inherence, screen in advance, verify bad sample, improve the q&r of product, improved the market competitiveness.
The foregoing is only better possible embodiments of the present invention, not limit the scope of the invention.The equivalent structure that all utilizations instructions of the present invention and accompanying drawing content have been done changes, and is all included in protection scope of the present invention.
Claims (9)
1. a method of testing for touch-screen wearing quality, is characterized in that, comprises the steps:
After described touch-screen is padded down, put in incubator, place in the middle part of described touch-screen the counterweight of setting quality again, regulate temperature and the test duration of described incubator, carry out high temperature ageing test, again described touch-screen upset, keep described temperature and test duration, carry out again described high temperature ageing test;
From described incubator, take out described touch-screen, described touch-screen placement is no less than to setting-up time at normal temperatures and carries out the recovery of normality mechanism, then described touch-screen is fixed on test platform upward;
Determine test position and the testing tool of described touch-screen, described testing tool with set angle and setting dynamics in described test position motion preset times repeatedly to carry out wearability test, described set angle scope is 30 ° to 60 °, described setting dynamics scope is 8N to 12N, and described preset times is 25 times;
Described touch-screen is checked routinely to outgoing inspection result.
2. the method for testing of touch-screen wearing quality as claimed in claim 1, is characterized in that, the temperature of described incubator is 60 ° of C, and the described test duration is 120 hours, and described setting quality is 50g.
3. the method for testing of touch-screen wearing quality as claimed in claim 1, is characterized in that, described setting-up time is 2 hours.
4. the method for testing of touch-screen wearing quality as claimed in claim 1, is characterized in that, described test position is the p-wire at 1/3 place, edge of the described touch-screen of distance.
5. the method for testing of touch-screen wearing quality as claimed in claim 1, is characterized in that, described testing tool is the B2 pencil-lead being fixed on thrust meter.
6. the method for testing of touch-screen wearing quality as claimed in claim 5, is characterized in that, the diameter range of described B2 pencil-lead is 4mm to 6mm.
7. the method for testing of touch-screen wearing quality as claimed in claim 1, is characterized in that, the diameter of described B2 pencil-lead is 7mm.
8. the method for testing of touch-screen wearing quality as claimed in claim 1, is characterized in that, described set angle is 45 °, and described setting dynamics is 10N.
9. a test macro for touch-screen wearing quality, is characterized in that, comprising:
For the aging equipment of described high temperature ageing test;
For the bracing or strutting arrangement at the padded described touch-screen of described aging equipment;
For the testing tool of described wearability test;
For the test platform of fixing described touch-screen;
Be used for the testing fixture checking routinely described in carrying out; And
For the output unit of outgoing inspection result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210499732.0A CN103852391A (en) | 2012-11-28 | 2012-11-28 | Method and system for testing wear resistance of touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210499732.0A CN103852391A (en) | 2012-11-28 | 2012-11-28 | Method and system for testing wear resistance of touch screen |
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| CN103852391A true CN103852391A (en) | 2014-06-11 |
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| CN201210499732.0A Pending CN103852391A (en) | 2012-11-28 | 2012-11-28 | Method and system for testing wear resistance of touch screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132756A (en) * | 2019-06-04 | 2019-08-16 | Oppo广东移动通信有限公司 | The test method of shell |
| CN113075117A (en) * | 2021-04-01 | 2021-07-06 | 汕头超声显示器技术有限公司 | Aging method of display screen plastic cover plate |
| CN113466579A (en) * | 2021-05-31 | 2021-10-01 | 深圳市航盛电子股份有限公司 | High-temperature aging automatic test monitoring method and system for vehicle-mounted product |
| CN117312805A (en) * | 2023-11-29 | 2023-12-29 | 江苏纳帝电子科技有限公司 | Analysis method for high-low temperature tolerance test of touch screen finished product |
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| US20070229109A1 (en) * | 2005-03-29 | 2007-10-04 | Nec Lcd Technologies, Ltd. | Carriage for liquid crystal module |
| CN201548468U (en) * | 2009-12-04 | 2010-08-11 | 北京沃华慧通测控技术有限公司 | Touch screen click scratch testing machine |
| CN102235954A (en) * | 2010-04-21 | 2011-11-09 | 鸿富锦精密工业（深圳）有限公司 | System and method for testing touch screen |
| CN102036042B (en) * | 2009-09-28 | 2013-06-19 | 南阳首控光电有限公司 | Laser television |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070229109A1 (en) * | 2005-03-29 | 2007-10-04 | Nec Lcd Technologies, Ltd. | Carriage for liquid crystal module |
| CN102036042B (en) * | 2009-09-28 | 2013-06-19 | 南阳首控光电有限公司 | Laser television |
| CN201548468U (en) * | 2009-12-04 | 2010-08-11 | 北京沃华慧通测控技术有限公司 | Touch screen click scratch testing machine |
| CN102235954A (en) * | 2010-04-21 | 2011-11-09 | 鸿富锦精密工业（深圳）有限公司 | System and method for testing touch screen |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132756A (en) * | 2019-06-04 | 2019-08-16 | Oppo广东移动通信有限公司 | The test method of shell |
| CN113075117A (en) * | 2021-04-01 | 2021-07-06 | 汕头超声显示器技术有限公司 | Aging method of display screen plastic cover plate |
| CN113466579A (en) * | 2021-05-31 | 2021-10-01 | 深圳市航盛电子股份有限公司 | High-temperature aging automatic test monitoring method and system for vehicle-mounted product |
| CN117312805A (en) * | 2023-11-29 | 2023-12-29 | 江苏纳帝电子科技有限公司 | Analysis method for high-low temperature tolerance test of touch screen finished product |
| CN117312805B (en) * | 2023-11-29 | 2024-02-20 | 江苏纳帝电子科技有限公司 | Analysis method for high-low temperature tolerance test of touch screen finished product |
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Application publication date: 20140611 |