CN105548791A - Capacitive touch screen line detection system - Google Patents
Capacitive touch screen line detection system Download PDFInfo
- Publication number
- CN105548791A CN105548791A CN201510966933.0A CN201510966933A CN105548791A CN 105548791 A CN105548791 A CN 105548791A CN 201510966933 A CN201510966933 A CN 201510966933A CN 105548791 A CN105548791 A CN 105548791A
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- China
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- touch screen
- capacitive touch
- line detection
- detection system
- screen line
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/302—Contactless testing
Abstract
The invention relates to a capacitive touch screen line detection system and belongs to the touch screen line detection technology field. The system comprises a lamp box, a working bench, a fixing arm and a slide adjusting group. The working bench is fixed above the lamp box. The fixing arm is fixedly connected to a side surface of the working bench and the lamp box. The slide adjusting group can move up and down on the fixing arm. The system adopts projection equipment with high pertinence to carry out detection assistance. Compared to past manual detection (a hand-held magnifier), the system possesses characteristics of high definition, high efficiency and high operation sustainability. Simultaneously, the structure is simple, cost is low and there are many other characteristics. Production efficiency can be increased, a product misjudgment rate is reduced and a product yield rate is increased.
Description
Technical field
The present invention relates to touch-screen wireline inspection technical field, be specifically related to a kind of capacitive touch screen line detection system.
Background technology
Touch-screen is a kind of positioning equipment, by sensor passes information such as infrared ray, resistance variations, capacitance variations, user can directly with hand to computer input coordinate information, it with mouse, keyboard is the same, is a kind of input equipment.Touch-screen because of its have simple and convenient, reaction velocity fast, save space, be easy to the advantages such as interchange and be widely used in various electronic product.Modal touch-screen is capacitive touch screen on the market at present, and the advantages such as capacitive touch screen is long with the life-span, transmittance is high become most widely used touch-screen.
Capacitive touch screen is the important accessory of a kind of mobile intelligent terminal (mobile phone, panel computer etc.), the production procedure of capacitive touch screen is: in large glass baseplate plating ito film, and carry out being coated with, expose, develop, the operation such as etching final in stamp ITO pattern at large glass baseplate, form touch-screen circuit, then touch-screen circuit carried out cutting, connect the operations such as IC, pressing FPC, binding face glass sheet and form complete touch-screen product, and touch-screen product is carried out test, dispatch from the factory.Because its circuit is extremely meticulous, in process of production because technique, raw material, the various factors such as artificial exist the bad phenomenon such as line short, open circuit.The mode of detection line traditional at present detects on light table for the hand-held magnifier of workman, or finished product place in circuit test board is carried out simulation test.Some Enterprises can buy complexity, expensive checkout equipment, but the equipment of costliness improves production cost, is unfavorable for promoting and using.
Can only be detected by corresponding finished product by finished product place in circuit board test, but touch-screen itself is formed by multi-layer film structure laminating, detect to the finished product stage, if it is bad to there is circuit, then full sheet is scrapped, instead of individual layer is scrapped again.So, generally adopt manual detection, guarantee before lamination coating, detect that the circuit of individual layer is bad.Means due to manual detection comprise light table and detect and blue-ray light irradiation, and the copper lines on touch-screen can be placed directly on light table, then observes with magnifier, and live width line-spacing is about 15-40um, and namely general hand magnifying glass can be observed.Then need to use blue-ray light to irradiate for the ITO circuit that touch-screen be cannot see (transmittance is higher), this sharpness compared with metallic circuit is poor, easily judges by accident when enlargement ratio deficiency.Cause operating personnel easily tired because of long-time hand magnifier observation eyes, cause efficiency to decline.Therefore, there is manual detection efficiency low, human cost is high, and False Rate also can exist the defects such as unstable because of proficiency.
Existing disclosed a kind of line detection apparatus, comprise worktable, holder, adjustment rack and magnifier, described adjustment rack comprises upper arm and underarm, the lower end of underarm by the first pivot pin and holder hinged, the upper end of underarm and the lower end of upper arm are hinged with the first coupling assembling respectively, upper end and the magnifier of upper arm are hinged, and side on the table, the upper end of upper arm.Though this line detection apparatus improves detection efficiency to a certain extent, but still there is the shortcomings such as complex structure, complex operation and the easy fatigue of the rear eyes of long-time magnifier observation.
Summary of the invention
The object of the invention is to the defect overcoming prior art, provide a kind of capacitive touch screen line detection system, this detection system improves the deficiency of conventional touch screen circuit inspect method, enhances productivity, and reduces product False Rate, improves product yield.Possess the features such as structure is simple, with low cost simultaneously.
To achieve these goals, a kind of capacitive touch screen line detection system provided by the invention, comprise lamp box, worktable, fixed arm, slidable adjustment group, described worktable is fixed on the top of lamp box, described fixed arm is fixedly connected on the side of worktable and lamp box, and described slidable adjustment group can move up and down on fixed arm.Utilize slidable adjustment group to move up and down the capacitive touch screen circuit that adjusting operating platform is placed at fixed arm, make that it is clear, be exaggerated accurately after present.
Further, described lamp box is airtight lamp box, is provided with two light sources and light source switching push button in lamp box, is provided with light shield bottom two described light sources.Light source is from lamp box toward top direct projection, and light shield is used for light beam and collects, and is radiated on capacitive touch screen circuit, is presented by clear by worktable; Light source switching push button can between two light sources toggle lights as required.
Further, two described light sources are ordinary light source and blue light source.Blue light source, mainly for ITO opaque line, makes its line clear present.
Further, described worktable comprises the glass platform being arranged on scattering sheet above light source, light transmission piece and being positioned at above scattering sheet and light transmission piece.Light source collects light beam by light shield, makes it by scattering sheet and light transmission piece, is radiated at glass platform, the clear capacitive touch screen circuit presented in glass platform.
Further, described light transmission piece is positioned at scattering sheet normal position, and with scattering sheet keeping parallelism.Scattering sheet can break up light beam, allows uniform light distribute, and it is equally distributed for making by the light of light transmission piece.
Further, described slidable adjustment group comprises the sliding shoe be arranged on fixed arm, adjusting knob, amplification module, reflective projection surface and pivot pin, described sliding shoe is movably connected on fixed arm by adjusting knob, described amplification module is fixedly connected on sliding shoe, described reflective projection surface by pivot pin and sliding shoe hinged.Regulate the position of sliding shoe by adjusting knob, make to amplify module and can amplify capacitive touch screen circuit in glass platform more clear, more accurately, amplify module and be made up of, for Nonlinear magnify multiple different lens set; Reflective projection surface is used for projection.
Further, described reflective projection surface is positioned at and amplifies above module, and forms angle theta with amplification module, and described angle theta is: 0 ° of < θ <90 °.
Preferably, described reflective projection surface forms angle theta with amplification module, and described angle theta is: 30 ° of < θ <60 °.
Further, described amplification module is positioned at the normal position of worktable, and with table plane keeping parallelism.Ensure that light beam irradiation can be exaggerated module clearly to the capacitive touch screen circuit in glass platform and amplify, the observation circuit of the clear patterns that staff can be presented by projection.
Beneficial effect of the present invention:
(1) the present invention discloses a kind of capacitive touch screen line detection system, in this detection system, light beam sends from light source, through scattering sheet, light transmission piece, glass placement platform, then through product, coming the amplification module of top, through amplifying, then being projected to metope to reflective projection surface, so far, namely product image presents.Be intended to the deficiency improving conventional touch screen circuit inspect method, enhance productivity, reduce product False Rate, improve product yield.
(2) the present invention is based on traditional projector equipment, add the amplification module for wire sizes size and the blue-ray light (cold light lamp) for ITO opaque line, and add scattering sheet, parallelization process is carried out to the light beam of blue-ray light, guarantees to carry out effectively, accurately detecting to touch-screen circuit.
(3) the present invention adopts projector equipment with strong points to carry out detection to assist, be different from manual detection (hand magnifier) in the past, possess the feature that sharpness is strong, efficiency is high, operation sustainability is higher.
(4) detection system disclosed by the invention has the features such as structure is simple, with low cost, can enhance productivity, and reduces product False Rate, improves product yield.
Accompanying drawing explanation
Fig. 1 is a kind of capacitive touch screen line detection system of the present invention structural representation.
Description of reference numerals: 10 is lamp box, 11 is light source, and 12 is light shield, and 20 is worktable, and 21 is scattering sheet, 22 is light transmission piece, and 23 is glass platform, and 30 is fixed arm, and 31 is sliding shoe, 32 is adjusting knob, and 33 for amplifying module, and 34 is reflective projection surface, and 35 is pivot pin.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, a kind of capacitive touch screen line detection system, comprise lamp box 10, worktable 20, fixed arm 30, slidable adjustment group, described worktable 20 is fixed on the top of lamp box 10, described fixed arm 30 is fixedly connected on the side of worktable 20 and lamp box 10, and described slidable adjustment group can move up and down on fixed arm 30.Described lamp box 10 is airtight lamp box, is provided with two light sources 11 and light source switching push button (not shown in FIG.) in lamp box 10, is provided with light shield 12 bottom two described light sources 11.Described two light sources 11 are ordinary light source and blue light source.Utilize slidable adjustment group to move up and down the capacitive touch screen circuit that adjusting operating platform is placed at fixed arm, make that it is clear, be exaggerated accurately after present; Light source is from lamp box toward top direct projection, and light shield is used for light beam and collects, and is radiated on capacitive touch screen circuit, is presented by clear by worktable; Light source switching push button can between two light sources toggle lights as required, blue light source, mainly for ITO opaque line, makes its line clear present.
Described worktable 20 comprises the glass platform 23 being arranged on scattering sheet 21 above light source 11, light transmission piece 22 and being positioned at above scattering sheet 21 and light transmission piece 22.Described light transmission piece 22 is positioned at scattering sheet 21 normal position, and with scattering sheet 21 keeping parallelism.Light source collects light beam by light shield, makes it by scattering sheet and light transmission piece, is radiated at glass platform, the clear capacitive touch screen circuit presented in glass platform, scattering sheet can break up light beam, allows uniform light distribute, and it is equally distributed for making by the light of light transmission piece.
Described slidable adjustment group comprises the sliding shoe 31 be arranged on fixed arm 30, adjusting knob 32, amplifies module 33, reflective projection surface 34 and pivot pin 35, described sliding shoe 31 is movably connected on fixed arm 30 by adjusting knob 32, described amplification module 33 is fixedly connected on sliding shoe 31, and described reflective projection surface 34 is hinged by pivot pin 35 and sliding shoe 31.Regulate the position of sliding shoe by adjusting knob, make to amplify module and can amplify capacitive touch screen circuit in glass platform more clear, more accurately, amplify module and be made up of, for Nonlinear magnify multiple different lens set; Reflective projection surface is used for projection.Described amplification module 33 is positioned at the normal position of worktable 20, and with worktable 20 plane keeping parallelism.Ensure that light beam irradiation can be exaggerated module clearly to the capacitive touch screen circuit in glass platform and amplify, the observation circuit of the clear patterns that staff can be presented by projection.Described reflective projection surface 34 is positioned at and amplifies above module 33, and form angle theta with amplification module 33, described angle theta is: 0 ° of < θ <90 °, and preferably, described angle theta is: 30 ° of < θ <60 °.
During work, the light source switching push button on lamp box 10 is regulated according to actual conditions, light beam sends from light source 11, light shield 12 pinching light beam, makes its scattering sheet 21 through worktable 20, light transmission piece 22, glass platform 23, then through the product be placed in glass platform 23, come the amplification module 33 of top, through the amplification of module, then be projected to metope to reflective projection surface 34, so far, namely product image presents.Product only need be placed on glass platform 23 by operating personnel, can directly at projecting plane observed image; Observation copper lines and ITO line only need toggle lights, simple, convenient, and can not occur when observing because situations such as long-time excess eye-usings.Projecting plane without specific demand, generally smooth metope, capacitive touch screen is all produced in dust-free workshop, the body of wall of dust-free workshop is generally metal clip central layer, metope surface usually smooth, smooth, color and luster is consistent, and the facial mask of metal wallboard stands intact, and can serve as projecting plane completely.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a capacitive touch screen line detection system, it is characterized in that, comprise lamp box (10), worktable (20), fixed arm (30), slidable adjustment group, described worktable (20) is fixed on the top of lamp box (10), described fixed arm (30) is fixedly connected on the side of worktable (20) and lamp box (10), and described slidable adjustment group can move up and down on fixed arm (30).
2. a kind of capacitive touch screen line detection system according to claim 1, it is characterized in that, described lamp box (10) is airtight lamp box, is provided with two light sources (11) and light source switching push button in lamp box, and two described light source (11) bottoms are provided with light shield (12).
3. a kind of capacitive touch screen line detection system according to claim 2, is characterized in that, two described light sources (11) are ordinary light source and blue light source.
4. a kind of capacitive touch screen line detection system according to claim 2, it is characterized in that, described worktable (20) comprises the scattering sheet (21), light transmission piece (22) and the glass platform (23) that is positioned at above scattering sheet (21) and light transmission piece (22) that are arranged on light source (11) top.
5. a kind of capacitive touch screen line detection system according to claim 4, is characterized in that, described light transmission piece (22) is positioned at scattering sheet (21) normal position, and with scattering sheet (21) keeping parallelism.
6. a kind of capacitive touch screen line detection system according to claim 1, it is characterized in that, described slidable adjustment group comprises the sliding shoe (31) be arranged on fixed arm (30), adjusting knob (32), amplifies module (33), reflective projection surface (34) and pivot pin (35), described sliding shoe (31) is movably connected on fixed arm (30) by adjusting knob (32), described amplification module (33) is fixedly connected on sliding shoe (31), and described reflective projection surface (34) is hinged by pivot pin (35) and sliding shoe (31).
7. a kind of capacitive touch screen line detection system according to claim 6, it is characterized in that, described reflective projection surface (34) is positioned at and amplifies module (33) top, and forming angle theta with amplification module (33), described angle theta is: 0 ° of < θ <90 °.
8. a kind of capacitive touch screen line detection system according to claim 7, it is characterized in that, described reflective projection surface (34) forms angle theta with amplification module (33), and described angle theta is: 30 ° of < θ <60 °.
9. a kind of capacitive touch screen line detection system according to claim 6, is characterized in that, described amplification module (33) is positioned at the normal position of worktable (20), and with worktable (20) plane keeping parallelism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966933.0A CN105548791B (en) | 2015-12-22 | 2015-12-22 | A kind of capacitive touch screen line detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510966933.0A CN105548791B (en) | 2015-12-22 | 2015-12-22 | A kind of capacitive touch screen line detection system |
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| Publication Number | Publication Date |
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| CN105548791A true CN105548791A (en) | 2016-05-04 |
| CN105548791B CN105548791B (en) | 2018-10-26 |
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| CN201510966933.0A Expired - Fee Related CN105548791B (en) | 2015-12-22 | 2015-12-22 | A kind of capacitive touch screen line detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226157A (en) * | 2017-12-27 | 2018-06-29 | 信利光电股份有限公司 | A kind of touch screen examination device |
| CN109003474A (en) * | 2018-09-27 | 2018-12-14 | 成都柴可夫电器设备有限公司 | A kind of auxiliary system carrying out prewiring based on imaging display techniques |
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| US20140098065A1 (en) * | 2012-10-04 | 2014-04-10 | Corning Incorporated | Touch screen systems and methods for sensing touch screen displacement |
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| CN203838664U (en) * | 2013-12-06 | 2014-09-17 | 合肥联宝信息技术有限公司 | Electric finger for testing touch screen |
| US20150330891A1 (en) * | 2014-05-15 | 2015-11-19 | Boe Technology Group Co., Ltd. | Inspection device and inspection system for display substrate |
| CN105115978A (en) * | 2015-09-09 | 2015-12-02 | 山东华芯富创电子科技有限公司 | Touch screen detection jig |
| CN205263232U (en) * | 2015-12-22 | 2016-05-25 | 广东泰通科技股份有限公司 | Capacitive touch screen line detection system |
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2015
- 2015-12-22 CN CN201510966933.0A patent/CN105548791B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140098065A1 (en) * | 2012-10-04 | 2014-04-10 | Corning Incorporated | Touch screen systems and methods for sensing touch screen displacement |
| CN203838664U (en) * | 2013-12-06 | 2014-09-17 | 合肥联宝信息技术有限公司 | Electric finger for testing touch screen |
| CN203837655U (en) * | 2014-05-06 | 2014-09-17 | 昆山瑞鸿诚自动化设备科技有限公司 | Appearance detection equipment |
| US20150330891A1 (en) * | 2014-05-15 | 2015-11-19 | Boe Technology Group Co., Ltd. | Inspection device and inspection system for display substrate |
| CN105115978A (en) * | 2015-09-09 | 2015-12-02 | 山东华芯富创电子科技有限公司 | Touch screen detection jig |
| CN205263232U (en) * | 2015-12-22 | 2016-05-25 | 广东泰通科技股份有限公司 | Capacitive touch screen line detection system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226157A (en) * | 2017-12-27 | 2018-06-29 | 信利光电股份有限公司 | A kind of touch screen examination device |
| CN109003474A (en) * | 2018-09-27 | 2018-12-14 | 成都柴可夫电器设备有限公司 | A kind of auxiliary system carrying out prewiring based on imaging display techniques |
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| CN105548791B (en) | 2018-10-26 |
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Granted publication date: 20181026 Termination date: 20201222 |