CN109900977A - The test method in touch screen service life - Google Patents
The test method in touch screen service life Download PDFInfo
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- CN109900977A CN109900977A CN201711302957.1A CN201711302957A CN109900977A CN 109900977 A CN109900977 A CN 109900977A CN 201711302957 A CN201711302957 A CN 201711302957A CN 109900977 A CN109900977 A CN 109900977A
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- touch screen
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Abstract
A kind of touch screen life testing method includes the following steps: the test board provided one with aperture and at least one test pearl；One screen to be measured is provided, while arbitrarily selecting a test zone with touch function on the screen to be measured；One vibration test board is provided, the screen to be measured and the test board are fixed on the vibration test board, the test board is located on the screen to be measured and test zone described in the aperture face, the test ball are placed in the aperture；The vibration test board vibration；Check whether the function of the screen to be measured is normal every a predetermined time；Record the screen to be measured testing time and each test result each time.
Description
Technical field
The present invention relates to a kind of test methods in touch screen service life.
Background technique
In recent years, touch screen is easy to operate with its, the advantages such as direct have been widely used in the fields such as mobile phone, computer.
Common touch screen can be divided into capacitive touch screen and resistive touch screen.Capacitive touch screen by ambient temperature,
The good place of the larger and suitable environmental condition of the such environmental effects such as humidity, ground aridity, dust uses.Resistive touch screen
Influence to environmental factors such as dust, steam is smaller, therefore is more suitable for the place that environment is more complex, severe.For many industry
For tablet computer, production environment is relatively poor, generally requires installation resistive touch screen.
However, the production firm of resistive touch screen is numerous, the resistive touch of each manufacturer how is quickly tested out
Screen quality and service life are particularly important.In the prior art, the test resistance formula touch screen service life generally utilizes the touch screen service life to survey
Test-run a machine tests the service life by clicking to cross or tap, but the time needed for such method test touch screen service life is longer, and
It is larger for a certain fixed point or line test error.Therefore, the longevity of touch screen how quickly, efficiently, is accurately tested out
The method of life, and can be comformed by the test method select in multi-touch screen manufacturer last a long time, superior touch screen
It is particularly important.
Summary of the invention
In view of this, the present invention provides a kind of high efficiency, the test method of high-precision touch screen.
A kind of test method in touch screen service life, includes the following steps:
One test board with aperture and at least one test pearl are provided；
One screen to be measured is provided, while arbitrarily selecting a test zone with touch function on the screen to be measured；
One vibration test board is provided, the screen to be measured and the test board are fixed on the vibration test board,
The test board is located on the screen to be measured and test zone described in the aperture face, the test ball are placed in the aperture
It is interior；
The vibration test board vibration；
Check whether the function of the screen to be measured is normal every a predetermined time；
Record the screen to be measured testing time and each test result each time.
Further, the aperture is rounded and runs through the upper and lower surface of the test board.
Further, the test pearl is steel ball, and the quantity of the test pearl is that multiple and specification is all the same, each test
The diameter of pearl is 8mm, quality 0.002kg.
Further, the test zone is rounded and the diameter of the test zone is equal to the diameter of the aperture.
Further, the screen to be measured and test board are fixed on the vibration test board by fixed frame.
Further, the mode of vibration of the vibration test board is sinusoidal vibration, the vibration of the vibration test board
Frequency is 10Hz-40Hz.
Further, the test pearl is greater than the touch force range of the screen to be measured to the percussion power of screen to be measured, be less than to
Survey the maximum endurance range of screen.
Further, the test pearl is 2.5N to the percussion power of screen to be measured.
Further, the whether normal method of function for checking the screen to be measured is, with test ball described in the screen to be measured
It is rolled around on test zone and whether the track for analyzing the test ball scribing line is continuous, if the rail that the test ball draws lines every time
It is normal that mark continuously then represents the screen function to be measured, if the test ball draws lines, track occurs breaking or discontinuous, and
The track that test ball cannot be drawn in the broken string or discrete regions in any case represents the screen damage to be measured.
Further, the diameter of the test ball is 25.4mm, quality 66g.
In the test method in touch screen service life described in the embodiment of the present invention, by utilizing test pearl on vibration rig
Screen to be measured is tapped, and carries out screen Function detection to be measured using test ball at every predetermined time, to realize the inspection of screen to be measured
Survey efficiently, it is quick, and entire test process be test zone on the screen to be measured is tested so that the error of test compared with
It is small.Further, the touch screen service life described in the embodiment of the present invention without special purchase touch screen life test instrument, also reduces
Production cost.
Detailed description of the invention
Fig. 1 show the beta version provided in the test method of touch screen service life described in the embodiment of the present invention and test
Pearl schematic diagram.
Fig. 2 show the screen schematic diagram to be measured provided in the test method of touch screen service life described in the embodiment of the present invention；
Fig. 3 show the vibration test board provided in touch screen life testing method described in the embodiment of the present invention and will
Screen to be measured, test board and test pearl be placed on the vibration test board after structural schematic diagram.
Fig. 4, which is shown in the test method of touch screen service life described in the embodiment of the present invention, passes through a fixed frame for screen to be measured
The schematic diagram being fixed on vibration test board.
Fig. 5 show inspection and judges the normally functioning schematic diagram of screen to be measured.
Fig. 6 show inspection and judges the vitiable schematic diagram of screen function to be measured.
Fig. 7 a-7e show through the embodiment of the present invention touch screen life detecting method A corresponding to different vendor,
B, the result schematic diagram of its function is checked after five kinds of resistive touch screen tests of C, D, E.
Main element symbol description
Above-mentioned attached drawing is further illustrated the present invention by following specific embodiment.
Specific embodiment
Below by the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear, complete
Site preparation description, it is clear that described embodiment is only some embodiments of the invention, rather than whole embodiment party
Formula.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
The noun of locality " first " used herein, " second " be so that the position of first substrate described in the used time defines,
And it does not limit.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The test method of touch screen service life described in the embodiment of the present invention includes the following steps:
Step 1: as shown in Figure 1, providing a test board 10 and 6 test pearls 20 with aperture 11.
In embodiments of the present invention, the aperture 11 of the test board 10 is rounded, and the aperture runs through the test board
10 upper and lower surface.The diameter of the aperture 11 is 50mm.The test pearl 20 is steel ball, the specification phase of the test pearl 20
Together, each 20 diameter of test pearl is 8mm, and the quality of each test pearl is 0.002kg.
Step 2: it as shown in Fig. 2, providing a screen 30 to be measured, and arbitrarily selects one to have on the screen 30 to be measured and touches function
The test zone 31 of energy.
In embodiments of the present invention, the screen to be measured 30 is resistive touch screen.The test zone is rounded, the survey
It tries regional diameter and is equal to 50mm.
Step 3: as shown in figure 3, providing a vibration test board 40, and the screen 30 to be measured is placed on the vibration
It tests on board, while being put into test board 10 on the screen 30 to be measured and being put into 6 tests in the aperture 11
Pearl 20.
After the test board 10 is placed on the screen to be measured 30, the aperture 11 of the test board 10 and the screen 30 to be measured
Upper selected test zone 31 is just corresponding.The diameter of the aperture 11 is equal to the diameter of the test zone 31.
Step 4: as shown in figure 4, providing a fixed frame 50, the screen 30 to be measured is fixed on by the fixed frame 50
On the vibration test board 40.
In other embodiments, the screen to be measured 30 can also be by other devices, such as are mechanically anchored in the vibration
It tests on board 40, and is not limited to fixed form defined by present embodiment.
Step 5: reaffirm that the screen to be measured 30 has been completely fixed on the vibration test board 40, in institute
It states and vibration-testing mode and vibration parameters is set in the control computer of vibration test board 40.
In embodiments of the present invention, the mode of vibration that the vibration test board 40 is arranged in the control computer is positive
Chord vibration, and the vibration frequency of the vibration test board 40 is set are as follows: 10Hz-40Hz；The amplitude of the vibration test board 40 is
10mm；The vibration-testing time of the vibration test board 40 is 5min；The scanning speed of the vibration test board 40 is 1oct/
min；The test pearl 20 touches the number of screen 30 to be measured are as follows: 6500 times/5min/1 test pearl.
In embodiments of the present invention, the speed V=π * f*D of the test pearl 20, wherein the f represents vibration rig
The frequency of platform 40, takes f=40Hz；D represents the amplitude of vibration test board 40, takes D=0.01m.According to momentum theorem F*t=m*
(V2-V1), wherein m=0.002kg, t=0.002s, in this way, calculating the test pearl 20 to screen to be measured according to momentum theorem
Percussion power F=m* (V2-V1)/t=0.002* [1.256- (- 1.256)]/0.002=2.5N.
Generally, the touch force of resistive touch screen is generally 0.8N~1.5N, and resistive touch screen is able to bear most
It is no more than 50N energetically.The test pearl 20, which taps touch screen, will guarantee that screen is not broken into pieces and can accelerate the mill of screen 30 to be measured
Damage speed.
Therefore, in embodiments of the present invention, the percussion power F=2.5N being calculated according to above-mentioned parameter is touched greater than resistance-type
The touch force range 0.8N~1.5N for touching screen, maximum less than resistive touch screen withstand forces 50N, therefore percussion power F=
2.5N will not be such that screen breaks into pieces, but can accelerate the rate of wear of touch screen, be that the percussion power F of such size is for testing
Than better suited.
Step 6: checked whether the function of screen 30 to be measured is normal every 5 minutes.
In embodiments of the present invention, the whether normal method of 30 function of screen to be measured is checked are as follows: it with diameter is 25.4mm,
Quality is that the test ball of 66g rolls around the track for judging the test ball scribing line on the test zone 31 of screen 30 to be measured
It is whether continuous.
As shown in figure 5, if a part any in the test zone can draw line and each lines continuously if represent
The function of screen 30 to be measured is normal.Conversely, as shown in fig. 6, being somebody's turn to do if having broken string or discrete regions in the test zone 31
Broken string draws not outlet in region in any case, stops scribing line detection, and the screen 30 to be measured damages.
Step 7: the screen to be measured 30 each testing time and test result are recorded.
According to this in the embodiment of the present invention the above-mentioned touch screen service life test method, can to different vendor produce touch screen
It is tested, so that the test result according to record judges the service life length and quality of the touch screen of different vendor's production.
In the test method in touch screen service life described in the embodiment of the present invention, by utilizing test pearl on vibration rig
20 tap screen to be measured, and carry out 30 Function detection of screen to be measured using test ball every 5 minutes, so that the detection of screen to be measured 30 is more
Efficiently, fast, and be on the screen 30 to be measured one selection test zone 31 test so that test error compared with
It is small.Further, the touch screen service life described in the embodiment of the present invention without special purchase touch screen life test instrument, also reduces
Production cost.
Further, the present invention also specifically provides the test method according to the touch screen service life described in above embodiment,
Test result, the data that five kinds of A, B, C, D, E of the resistive touch screen service life that detection is provided by different vendor obtains.
It is tested as shown in Figure 7a for resistive touch screen A according to touch screen life testing method in above embodiment
Still normal picture schematic diagram after 60min.If Fig. 7 b is resistive touch screen B according to the touch screen service life in above embodiment
After test method tests 150min, the picture schematic diagram of the touch screen B damage is detected.If Fig. 7 c is resistive touch screen C
After touch screen life testing method test 15min in above embodiment, the picture schematic diagram of touch screen C damage.Such as figure
7d is resistive touch screen D damage after resistive touch screen D tests 30min according to the test method of touch screen in above-described embodiment
Bad picture schematic diagram.If Fig. 7 e is test method test 45min of the resistive touch screen E according to touch screen in above-described embodiment
Afterwards, the picture schematic diagram of resistive touch screen E damage.
Further table 1 has recorded the test result in the service life for the resistive touch screen that above-mentioned A, B, C, D, E manufacturer provides
It is as follows:
Table 1
The data recorded from above-mentioned table 1 can simply, efficiently learn that the service life of resistive touch screen A and quality are best,
The service life of resistive touch screen D, E and quality are taken second place, and the service life of resistive touch screen B, C is most short, quality is worst.
It is understood that for those of ordinary skill in the art, can do in accordance with the technical idea of the present invention
Various other changes and modifications out, and all these changes and deformation all should belong to the protection of claim of the invention
Range.
Claims (10)
1. a kind of test method in touch screen service life, includes the following steps:
One test board with aperture and at least one test pearl are provided；
One screen to be measured is provided, while arbitrarily selecting a test zone with touch function on the screen to be measured；
One vibration test board is provided, the screen to be measured and the test board are fixed on the vibration test board, it is described
Test board is located on the screen to be measured and test zone described in the aperture face, the test pearl are placed in the aperture；
The vibration test board vibration；
Check whether the function of the screen to be measured is normal every a predetermined time；And
Record the screen to be measured testing time and each test result each time.
2. the test method in touch screen service life as described in claim 1, it is characterised in that: the aperture is rounded and through described
The upper and lower surface of test board.
3. the test method in touch screen service life as claimed in claim 2, it is characterised in that: the test pearl is steel ball, the survey
The quantity for trying pearl is that multiple and specification is all the same, and the diameter of each test pearl is 8mm, quality 0.002kg.
4. the test method in touch screen service life as claimed in claim 3, it is characterised in that: the test zone is rounded and described
The diameter of test zone is equal to the diameter of the aperture.
5. the test method in touch screen service life as claimed in claim 4, it is characterised in that: by fixed frame by the screen to be measured and
Test board is fixed on the vibration test board.
6. the test method in touch screen service life as claimed in claim 5, it is characterised in that: the vibration side of the vibration test board
Formula is sinusoidal vibration, and the vibration frequency of the vibration test board is 10Hz-40Hz.
7. the test method in touch screen service life as claimed in claim 6, it is characterised in that: percussion of the test pearl to screen to be measured
Power is greater than the touch force range of the screen to be measured, less than the maximum endurance range of screen to be measured.
8. the test method in touch screen service life as claimed in claim 6, it is characterised in that: percussion of the test pearl to screen to be measured
Power is 2.5N.
9. the test method in touch screen service life as claimed in claim 6, it is characterised in that: whether the function of the inspection screen to be measured
Normal method is the rail for rolling around and analyzing the test ball scribing line on the test zone of screen to be measured with test ball
Whether mark is continuous, and it is normal to represent the screen function to be measured if the track that draws lines every time of test ball is continuous, if described
Test ball setting-out track occurs breaking or discontinuous, and cannot draw test in the broken string or discrete regions in any case
The track of ball represents the screen damage to be measured.
10. the test method in touch screen service life as claimed in claim 9, it is characterised in that: it is described test ball diameter be
25.4mm, quality 66g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711302957.1A CN109900977A (en) | 2017-12-08 | 2017-12-08 | The test method in touch screen service life |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711302957.1A CN109900977A (en) | 2017-12-08 | 2017-12-08 | The test method in touch screen service life |
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ID=66941522
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| CN201711302957.1A Pending CN109900977A (en) | 2017-12-08 | 2017-12-08 | The test method in touch screen service life |
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|---|---|---|---|---|
| US5078019A (en) * | 1989-05-26 | 1992-01-07 | Alps Electric Co., Ltd. | Trackball device |
| CN101763196A (en) * | 2010-01-18 | 2010-06-30 | 友达光电股份有限公司 | Method for detecting linearity of touch panel |
| CN102879687A (en) * | 2012-09-29 | 2013-01-16 | 深圳市深越光电技术有限公司 | Automatic detection device for touch screen |
| CN104035604A (en) * | 2013-03-06 | 2014-09-10 | 达丰(上海)电脑有限公司 | Touch screen multipoint testing device |
| CN104075865A (en) * | 2013-03-25 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Touch panel anti-impact performance testing method |
| CN205749176U (en) * | 2015-11-03 | 2016-11-30 | 嘉兴市产品质量检验检测院 | Solar energy glass abrasion wear test machine |
| CN106501112A (en) * | 2016-10-19 | 2017-03-15 | 中国工程物理研究院总体工程研究所 | Centrifugal friction assay device |
| CN206019976U (en) * | 2016-08-11 | 2017-03-15 | 德凯宜特（昆山）检测有限公司 | A kind of Anti-shock test device of automobile display screen |
| CN107356468A (en) * | 2017-07-13 | 2017-11-17 | 森科五金(深圳)有限公司 | A kind of wearability test device and method |
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2017
- 2017-12-08 CN CN201711302957.1A patent/CN109900977A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078019A (en) * | 1989-05-26 | 1992-01-07 | Alps Electric Co., Ltd. | Trackball device |
| CN101763196A (en) * | 2010-01-18 | 2010-06-30 | 友达光电股份有限公司 | Method for detecting linearity of touch panel |
| CN102879687A (en) * | 2012-09-29 | 2013-01-16 | 深圳市深越光电技术有限公司 | Automatic detection device for touch screen |
| CN104035604A (en) * | 2013-03-06 | 2014-09-10 | 达丰(上海)电脑有限公司 | Touch screen multipoint testing device |
| CN104075865A (en) * | 2013-03-25 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Touch panel anti-impact performance testing method |
| CN205749176U (en) * | 2015-11-03 | 2016-11-30 | 嘉兴市产品质量检验检测院 | Solar energy glass abrasion wear test machine |
| CN206019976U (en) * | 2016-08-11 | 2017-03-15 | 德凯宜特（昆山）检测有限公司 | A kind of Anti-shock test device of automobile display screen |
| CN106501112A (en) * | 2016-10-19 | 2017-03-15 | 中国工程物理研究院总体工程研究所 | Centrifugal friction assay device |
| CN107356468A (en) * | 2017-07-13 | 2017-11-17 | 森科五金(深圳)有限公司 | A kind of wearability test device and method |
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Application publication date: 20190618 |