CN107462796B - Automatic testing device for touch screen - Google Patents
Automatic testing device for touch screen Download PDFInfo
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- CN107462796B CN107462796B CN201710799435.0A CN201710799435A CN107462796B CN 107462796 B CN107462796 B CN 107462796B CN 201710799435 A CN201710799435 A CN 201710799435A CN 107462796 B CN107462796 B CN 107462796B
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- touch screen
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 239000006260 foam Substances 0.000 claims abstract description 17
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an automatic testing device for a touch screen, which comprises a rack; a positioning unit; the driving unit is arranged on the rack and comprises a driving block and a triaxial driver, and the driving block is arranged at the output end of the triaxial driver; and the touch control testing module comprises a single-point touch control head and a multi-point touch control head which are respectively arranged on the driving block, wherein the multi-point touch control head comprises a plurality of conductive foam, and the driving block controls the single-point touch control head and the plurality of conductive foam to slide and press on the touch screen so as to finish the test. According to the invention, the notebook is opened to a specific angle through the positioning unit, so that the touch screen is opposite to the industrial camera in the vision judging module, the relative position and the screen size of the touch screen are judged and calculated after the image processing of the processor, and therefore the driving unit is controlled to drive the touch testing module to finish the mouse function test and the multi-point touch test, and the testing result is obtained according to the response condition of the touch screen.
Description
Technical Field
The invention belongs to the technical field of touch screen testing, and particularly relates to an automatic testing device for a notebook computer touch screen.
Background
Along with the rapid development of electronic technology, the display screen of the notebook computer has a touch function, which also makes the notebook computer one more step in factory detection. At present, most of tests on a touch screen assembly line of a notebook computer are finished by means of both hands and visual inspection of an operator, the operator slides on the touch screen by fingers, and the notebook computer touch screen reacts to judge that the function of the touch screen is good. The mode obviously has great problems, consumes labor, has low repeated action intelligence, and is not easy to trust.
Disclosure of Invention
The invention aims to provide an automatic testing device for a touch screen, which replaces manual testing, solves various adverse factors brought by labor force to enterprises, improves efficiency, stabilizes production and ensures quality.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an automatic testing device for a touch screen, comprising:
the rack is arranged above the testing station of the conveying line;
the positioning unit is arranged on the test station, and the touch screen of the notebook computer to be tested is opened to a first set angle on the test station through the positioning unit;
the driving unit is arranged on the rack and comprises a driving block and a triaxial driver, and the driving block is arranged at the output end of the triaxial driver; and
the touch testing module is opposite to the touch screen and comprises a single-point touch head and a multi-point touch head which are respectively arranged on the driving block, the multi-point touch head comprises a plurality of conductive foam, and the driving block controls the single-point touch head and the plurality of conductive foam to slide and press on the touch screen to finish testing.
The device comprises a touch screen, a visual judging module, a touch screen and a display, wherein the visual judging module comprises an industrial camera, a processor and an image display, the industrial camera is opposite to the touch screen, and the processor is respectively in communication connection with the industrial camera and the image display.
The first setting angle is 90 degrees, and the positioning unit comprises a rear cover positioning block perpendicular to the conveying line and a front end pushing block capable of pushing the notebook computer to move towards the rear cover positioning block.
The rear cover positioning block is provided with a contact switch, the front end pushing block is driven by the first air cylinder, and the contact switch is in control connection with a driver of the first air cylinder.
The contact parts of the rear cover positioning block, the front end pushing block and the notebook are provided with buffer rollers.
The pressure protection device comprises a second cylinder fixed on the driving block, a piston rod of the second cylinder is connected with the single-point touch control head through a connecting rod, an extension spring is sleeved on the connecting rod, two ends of the extension spring are respectively fixed on the driving block and the piston rod of the second cylinder, and the second cylinder is connected with the processor in a control mode.
The pressing force of the single-point touch head on the touch screen is not more than 200 g.
Wherein, be provided with the third cylinder on the drive block, be provided with the mounting disc on the piston rod of third cylinder, a plurality of conductive foam are fixed in on the mounting disc, and the third cylinder is connected with the processor control.
The conductive foam consists of flame-retardant PU foam and conductive fiber cloth wrapped outside the flame-retardant PU foam.
Compared with the prior art, the automatic testing device for the touch screen has the beneficial effects that the notebook is opened to a specific angle through the positioning unit, so that the touch screen is opposite to an industrial camera in the vision judging module, the relative position and the screen size of the touch screen are judged and calculated after the image processing of the processor, the driving unit is controlled to drive the touch testing module to complete the mouse function test and the multi-point touch test, the testing result is obtained according to the response condition of the touch screen, the manual operation can be completely replaced, the accurate positioning is not needed, the mixed casting test of screens with various sizes and production lines can be aimed, the labor is saved, the measurement is reliable, the degree of automation is high, and the universality is high.
Drawings
FIG. 1 is a schematic diagram of a touch screen automatic test device according to an embodiment of the present invention;
FIG. 2 is a side view of an automatic testing device for touch screens provided by an embodiment of the present invention;
fig. 3 is an enlarged view at a in fig. 2.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1-3, the present embodiment provides an automatic testing device for a touch screen, including:
the rack 5 is arranged above the testing station of the conveying line 7;
the positioning unit 1 is arranged on the test station, and the touch screen 6 of the notebook to be tested is opened to a first set angle on the test station through the positioning unit 1;
the visual judgment module 2 is arranged on the frame 5 and comprises an industrial camera 21, a processor and an image display, wherein the industrial camera 21 is arranged opposite to the touch screen 6, and the processor is respectively in communication connection with the industrial camera 21 and the image display;
the driving unit 3 is arranged on the frame 5 and comprises a driving block 31 and a triaxial driver 32, and the driving block 31 is arranged at the output end of the triaxial driver 32; and
the touch test module 4 is arranged opposite to the touch screen 6 and comprises a single-point touch head 41 and a multi-point touch head which are respectively arranged on the driving block 31, wherein the multi-point touch head comprises a plurality of conductive foam 42, and the driving block 31 controls the single-point touch head 41 and the plurality of conductive foam 42 to slide and press on the touch screen 6 so as to finish the test.
In this embodiment, the first setting angle is 90 degrees, and the positioning unit 1 includes a rear cover positioning block 11 disposed perpendicular to the conveying line 7 and a front end pushing block 12 capable of pushing the notebook to move toward the rear cover positioning block 11. The 90 degrees are optimal settings, and the vertical settings can be realized only by pushing the notebook computer to the vertical rear cover positioning block 11 by the front end pushing block 12, but it should be noted that the opening angle of the notebook computer is more than 90 degrees at the front workstation of the production line.
The rear cover positioning block 11 is provided with a contact switch, the front end pushing block 12 is driven by the first air cylinder 13, and the contact switch is in control connection with a driver of the first air cylinder 13. The rear cover positioning block 11 is used for enabling the touch screen 6 to be opened to a specific angle and plays a role in supporting the back during testing of the touch screen 6.
The contact parts of the rear cover positioning block 11, the front end pushing block 12 and the notebook are all provided with buffer rollers. The wheel shafts of the buffer rollers are perpendicular to the plane of the production line, so that the notebook computer is driven by the production line to allow small displacement errors, and the buffer rollers have buffer effect on collision.
A pressure protection device is arranged between the single-point touch head 41 and the driving block 31, the pressure protection device comprises a second air cylinder 43 fixed on the driving block 31, a piston rod of the second air cylinder 43 is connected with the single-point touch head 41 through a connecting rod, an extension spring 44 is sleeved on the connecting rod, two ends of the extension spring 44 are respectively fixed on the driving block 31 and the piston rod of the second air cylinder 43, and the second air cylinder 43 is connected with the processor in a control manner. The pressure protection is provided by a second air cylinder 43 arranged according to the force requirement of the single-point touch head 41 on the touch screen 6, and the air pressure is regulated to change the rebound feedback force. Here, the pressing force of the single-point touch head 41 against the touch screen 6 is set to be not more than 200 g.
The driving block 31 is also provided with a third air cylinder 45, a piston rod of the third air cylinder 45 is provided with a mounting disc 46, a plurality of conductive foam 42 are fixed on the mounting disc 46, and the third air cylinder 45 is in control connection with the processor. The third cylinder 45 controls the conductive foam 42 on the mounting plate 46 to slide and press on the touch screen 6, and simulates a multi-touch test.
The conductive foam 42 is composed of flame-retardant PU foam and conductive fiber cloth wrapped outside the flame-retardant PU foam, and the structure of the conductive foam simulates human fingers. It should be noted that, a touch conductive pen commonly used in the market is not adopted here, because when a plurality of contacts are simultaneously arranged on the touch screen 6, the response passing rate of the touch screen 6 is not high, the test result is affected, and the conductive foam 42 is a better scheme obtained after autonomous long-term experiment.
In summary, according to the automatic testing device for the touch screen, the notebook computer is opened to a specific angle through the positioning unit, so that the touch screen is opposite to the industrial camera in the vision judging module, the relative position and the screen size of the touch screen are judged and calculated after the image processing of the processor, the driving unit is controlled to drive the touch testing module to complete the mouse function test and the multi-point touch test, the testing result is obtained according to the response condition of the touch screen, the automatic testing device can completely replace manual operation, accurate positioning is not needed, the mixed casting test of screens with various sizes and production lines can be conducted, the labor is saved, the measurement is reliable, the degree of automation is high, and the universality is strong.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (8)
1. An automatic testing device for a touch screen, comprising:
the rack is arranged above the testing station of the conveying line;
the positioning unit is arranged on the test station, a touch screen of the notebook to be tested is opened to a first set angle on the test station through the positioning unit, the first set angle is 90 degrees, and the positioning unit comprises a rear cover positioning block perpendicular to the conveying line and a front end pushing block capable of pushing the notebook to move towards the rear cover positioning block;
the driving unit is arranged on the rack and comprises a driving block and a triaxial driver, and the driving block is arranged at the output end of the triaxial driver; and
the touch testing module is opposite to the touch screen, and comprises a single-point touch head and a multi-point touch head which are arranged on the driving block respectively, wherein the multi-point touch head comprises a plurality of conductive foam, the driving block controls the single-point touch head and the plurality of conductive foam to slide and press on the touch screen to finish testing, a pressure protection device is arranged between the single-point touch head and the driving block and comprises a second cylinder fixed on the driving block, a piston rod of the second cylinder is connected with the single-point touch head through a connecting rod, a stretching spring is sleeved on the connecting rod, and two ends of the stretching spring are respectively fixed on the driving block and the piston rod of the second cylinder.
2. The automatic test equipment for touch screens according to claim 1, wherein: the visual judgment module comprises an industrial camera, a processor and an image display, wherein the industrial camera is opposite to the touch screen, and the processor is respectively in communication connection with the industrial camera and the image display.
3. The automatic test equipment for touch screens according to claim 1, wherein: the rear cover positioning block is provided with a contact switch, the front end pushing block is driven by a first cylinder, and the contact switch is in control connection with a driver of the first cylinder.
4. The automatic test equipment for touch screens according to claim 1, wherein: and buffer rollers are arranged at the contact parts of the rear cover positioning block, the front end pushing block and the notebook computer.
5. The automatic touch screen testing device of claim 2, wherein: the second cylinder is in control connection with the processor.
6. The automatic test equipment for touch screens according to claim 1, wherein: the pressing force of the single-point touch head on the touch screen is not more than 200 g.
7. The automatic touch screen testing device of claim 2, wherein: the driving block is provided with a third air cylinder, a piston rod of the third air cylinder is provided with a mounting plate, a plurality of conductive foam is fixed on the mounting plate, and the third air cylinder is in control connection with the processor.
8. The automatic test equipment for touch screens according to claim 1, wherein: the conductive foam is composed of flame-retardant PU foam and conductive fiber cloth wrapped outside the flame-retardant PU foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710799435.0A CN107462796B (en) | 2017-09-07 | 2017-09-07 | Automatic testing device for touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710799435.0A CN107462796B (en) | 2017-09-07 | 2017-09-07 | Automatic testing device for touch screen |
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| Publication Number | Publication Date |
|---|---|
| CN107462796A CN107462796A (en) | 2017-12-12 |
| CN107462796B true CN107462796B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710799435.0A Active CN107462796B (en) | 2017-09-07 | 2017-09-07 | Automatic testing device for touch screen |
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| Country | Link |
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| CN (1) | CN107462796B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032875B (en) * | 2018-08-21 | 2023-09-22 | 苏州市计量测试院 | Touch performance testing device |
| CN108983010A (en) * | 2018-09-19 | 2018-12-11 | 昆山迈致治具科技有限公司 | A kind of testing touch screen machine |
| CN109850511A (en) * | 2018-12-28 | 2019-06-07 | 深圳市达实智控科技股份有限公司 | Automatic test device |
| CN109839558A (en) * | 2019-01-24 | 2019-06-04 | 嘉兴行适安车联网信息科技有限公司 | A kind of touch screen Auto-Test System and its test method |
| CN114754677B (en) * | 2022-04-14 | 2022-10-14 | 平方和(北京)科技有限公司 | Device and method for automatic accurate positioning in touch screen and touch pen test equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193038A (en) * | 2010-03-05 | 2011-09-21 | 启迪科技股份有限公司 | Test equipment for touch panel |
| CN207263848U (en) * | 2017-09-07 | 2018-04-20 | 无锡达蒙科技有限公司 | A kind of touch-screen automatic testing equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10120474B2 (en) * | 2010-12-09 | 2018-11-06 | T-Mobile Usa, Inc. | Touch screen testing platform for engaging a dynamically positioned target feature |
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2017
- 2017-09-07 CN CN201710799435.0A patent/CN107462796B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193038A (en) * | 2010-03-05 | 2011-09-21 | 启迪科技股份有限公司 | Test equipment for touch panel |
| CN207263848U (en) * | 2017-09-07 | 2018-04-20 | 无锡达蒙科技有限公司 | A kind of touch-screen automatic testing equipment |
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| CN107462796A (en) | 2017-12-12 |
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