CN102799316B - A kind of anti-interference infrared touching device - Google Patents
A kind of anti-interference infrared touching device Download PDFInfo
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- CN102799316B CN102799316B CN201210229332.8A CN201210229332A CN102799316B CN 102799316 B CN102799316 B CN 102799316B CN 201210229332 A CN201210229332 A CN 201210229332A CN 102799316 B CN102799316 B CN 102799316B
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Abstract
The invention belongs to touching technique field, be specifically related to a kind of anti-interference infrared touching device.It comprises touch-screen, infrared emission component, infrared receiver component and control infrared emission component, infrared receiver component and lights the control module carrying out scanning, described infrared receiver component is arranged on the first frame of touch-screen, infrared emission component be arranged on touch-screen second and third, on four frames.The present invention only arranges infrared receiver component on a touch-screen frame, decreases number and the distribution range of infrared receiver component, effectively reduces the impact of external light source from root, improves the accuracy touching location.
Description
Technical field
The invention belongs to touching technique field, be specifically related to a kind of anti-interference infrared touching device.
Background technology
Touching technique provides great convenience to man-machine interaction mode, technically also provides multiple solution.As infrared scan touching device, touching device etc. based on camera positioning.
But existing infrared scan touching device, normally has ambient light to exist in applied environment, touching device is made easily to be subject to ambient light interference.Application number be 200510035552.2 Chinese patent disclose infrared touch panel with optical lens, it arranges infrared-emitting diode at two adjacent screen body edges, at another two adjacent screen body edges, infrared receiver photosensitive tube is set, by all installing cylindrical optical lens at infrared-emitting diode and reception photosensitive tube front end, improve the infrared light effective rate of utilization that infrared transmitting tube is launched, improve the anti-light interference performance of infrared touch panel with this.But when external interference light is stronger, stray light still can affect greatly said apparatus, the impact of external interference light can not be eliminated from root.
Therefore, providing a kind of can be necessity from the touching device of the external influence of light of the minimizing of maximum possible root in fact.
Summary of the invention
The technical matters that the present invention solves overcomes the deficiencies in the prior art, provides a kind of anti-interference infrared touching device reducing external influence of light from root.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of anti-interference infrared touching device, comprise touch-screen, infrared emission component, infrared receiver component and control infrared emission component, infrared receiver component and light the control module carrying out scanning, described infrared receiver component is arranged on the first frame of touch-screen, infrared emission component be arranged on touch-screen second and third, on four frames.The present invention only arranges infrared receiver component on a touch-screen frame, decreases number and the distribution range of infrared receiver component, effectively reduces the impact of external light source from root, improves the accuracy touching location.
As a kind of preferred version, described first frame is the touch-screen frame of extraneous main light source dorsad.Infrared receiver component is arranged on the touch-screen frame of extraneous main light source dorsad, reduces external light source further to the impact of infrared receiver component.
As another kind of preferred version, described first frame is the upper side frame of touch-screen, second and third, four frames are respectively on the left frame of touch-screen, left frame and lower frame.In actual applications, whole device normally vertical ground place, extraneous main light source is generally positioned at the top of device, therefore, preferably, is arranged on the upper side frame of touch-screen by infrared receiver component.
As another kind of preferred version, described infrared emission component is arranged on the frame of touch-screen by infrared scan radiating circuit plate.
As another kind of preferred version, described infrared receiver component is arranged on the frame of touch-screen by infrared scan circuit board for receiving.
As another kind of preferred version, the infrared light that the infrared emission component on each touch-screen frame sends receives by the whole infrared receiver component correspondences on the first frame.
As further preferred version, the half infrared receiver component correspondence that first frame is arranged continuously receives the infrared light that the infrared emission component on the second frame sends, second half infrared receiver component correspondence arranged continuously on first frame receives the infrared light that the infrared emission component on the 4th frame sends, and on the first frame, all infrared receiver component correspondences receive the infrared light that the infrared emission component on the 3rd frame sends.
As a kind of preferred version, the corresponding infrared receiver component of each infrared emission component.
As another kind of preferred version, the corresponding two or more infrared receiver component of each infrared emission component.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
(1) from generally to arrange infrared receiver component on touch-screen two adjacent frames in prior art different, the present invention only arranges infrared receiver component on a touch-screen frame, decrease number and the distribution range of infrared receiver component, the impact of external light source on infrared receiver component can be reduced.
(2) realize anti-interference different from prior art by additionally increasing parts, the present invention divides other position and number just can reach jamproof object only by adjustment infrared emission component and infrared receiver component, structure is simple, with low cost, applied widely.
(3) the present invention is also according to the difference of whole device placement location, infrared receiver component is arranged according to the position of extraneous main light source, infrared receiver component is arranged on the touch-screen frame of main light source dorsad, the extraneous main light source of further minimizing, on the impact of infrared receiver component, improves the accuracy touching location further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of first specific embodiment in the present invention;
Fig. 3 is the structural representation of second specific embodiment in the present invention.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
As shown in Figure 1, for a kind of in the present invention structural representation of anti-interference infrared touching device, it comprises touch-screen 100, infrared emission component 102, infrared receiver component 103 and control module 101, control module 101 to be arranged on touch-screen 100 and to be connected with infrared emission component 102, infrared receiver component 103, controls infrared emission component 102, the lighting of infrared receiver component 103.Infrared receiver component 102 is arranged on the first frame of touch-screen 100 by infrared scan radiating circuit plate, infrared emission component 102 by infrared scan circuit board for receiving be arranged on touch-screen 100 second and third, on four frames.In order to reduce the impact of infrared receiver component 102 by external light source, infrared receiver 102 is arranged on touch-screen 100 frame of extraneous main light source 106 dorsad, namely the first frame is touch-screen 100 frame of extraneous main light source 106 dorsad, the corresponding infrared emission component 103 of one of them infrared receiver component 102, also can a corresponding two or more infrared emission component 103 of infrared receiver component 102.
As shown in Figure 1, in actual applications, whole device normally vertical ground place, extraneous main light source 106 is generally positioned at the top of device, therefore, preferably, infrared receiver component 102 is arranged on the upper side frame of touch-screen 100, arranged by infrared emission unit 103 on the left frame of touch-screen 100, left frame and lower frame, namely the first frame is the upper side frame of touch-screen 100, second and third, four frames are respectively on the left frame of touch-screen 100, left frame and lower frame.Now, be placed on the infrared receiver component 102 that infrared light that infrared emission component 103 on the left frame of touch-screen 100, left frame and lower frame launches is placed on the upper side frame of touch-screen 100 received, form left and right, lower three directions to launch, the infrared scan net on the covering only having upper direction to receive whole touch-screen 100 surface.
In a specific embodiment, the infrared light that the infrared emission component 103 on each touch-screen frame sends receives by whole infrared receiver components 102 correspondence on the first frame.As shown in Figure 2, corresponding three infrared receiver components 102 of each infrared emission component 103, infrared receiver component 102 is arranged on the upper side frame of touch-screen 100, and infrared emission component 103 is arranged on the left frame of touch-screen 100, left frame and lower frame.Wherein, the infrared light correspondence being arranged on infrared emission component 103 transmitting on left frame is received by the whole infrared receiver components 102 be arranged on upper side frame.As in Fig. 2, infrared emission component L-1 corresponding infrared receiver component U-1, U-2, U-3, infrared emission component L-2 corresponding infrared receiver component U-2, U-3, U-4, so analogize, infrared emission component L-N corresponding infrared receiver component U-N, U-N-1, U-N-2; The infrared light correspondence that the infrared emission component 103 being arranged on left frame is launched is received by the whole infrared receiver components 102 being arranged on upper side frame, as corresponding in infrared emission component R-1 infrared receiver component U-1, U-2, U-3, infrared emission component R-2 corresponding infrared receiver component U-2, U-3, U-4, so analogize, infrared emission component R-N corresponding infrared receiver component U-N, U-N-1, U-N-2.The infrared light correspondence that infrared emission component 103 on lower frame is launched received by the whole infrared receiver components 102 being arranged on touch-screen 100 upper side frame, as corresponding in infrared emission component D-1 infrared receiver component U-1, U-2, U-3, infrared emission component D-2 corresponding infrared receiver component U-2, U-3, U-4, so analogize, infrared emission component D-N corresponding infrared receiver component U-N, U-N-1, U-N-2.
In another specific embodiment, half infrared receiver component 102 correspondence that first frame is arranged continuously receives the infrared light that the infrared emission component 103 on the second frame sends, second half infrared receiver component 102 correspondence arranged continuously on first frame receives the infrared light that the infrared emission component 103 on the 4th frame sends, and on the first frame, all infrared receiver component 102 correspondences receive the infrared light that the infrared emission component 103 on the 3rd frame sends.As shown in Figure 3, corresponding three infrared receiver components 102 of each infrared emission component 103, the infrared light correspondence that the infrared emission component 103 being arranged on left frame is launched is received by the infrared receiver component 102 being arranged on upper side frame left-hand component, as corresponding in infrared emission component L-1 infrared receiver component U-K, U-K+1, U-K+2, infrared emission component L-2 corresponding infrared receiver component U-K+1, U-K+2, U-K+3, so analogize, infrared emission component L-N corresponding infrared receiver component U-N, U-N-1, U-N-2; The infrared light correspondence that the infrared emission component 103 being arranged on left frame is launched is received by the infrared receiver component 102 being arranged on upper side frame right-hand component, as corresponding in infrared emission component R-1 infrared receiver component U-1, U-2, U-3, infrared emission component R-2 corresponding infrared receiver component U-2, U-3, U-4, so analogize, infrared emission component R-N corresponding infrared receiver component U-K, U-K-1, U-K-2.The infrared light correspondence that lower frame infrared emission component 103 is launched received by the whole infrared receiver components 102 being arranged on touch-screen 100 upper side frame, as corresponding in infrared emission component D-1 infrared receiver component U-1, U-2, U-3, infrared emission component D-2 corresponding infrared receiver component U-2, U-3, U-4, so analogize, infrared emission component D-N corresponding infrared receiver component U-N, U-N-1, U-N-2.
The determination of touch point coordinate by, during lighting certain infrared emission component 103, scan the infrared receiver component 102 of its correspondence, judge whether to be blocked, as lighted infrared emission component D-1, detecting its corresponding infrared receiver component U-1, U-2, U-3, judging whether to be blocked.Whole infrared emission component 103 is lighted once as one-period to complete, comprehensive analysis each have the infrared emission component 203 and infrared receiver component 102 line that block, calculate touch point coordinate, its circular can referenced patent application number be 201110389753.2, principal name is computing method to touch point in a kind of infrared touch positioning device, present patent application is not described further.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.The amendment done within any the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (7)
1. an anti-interference infrared touching device, comprise touch-screen, infrared emission component, infrared receiver component and control infrared emission component, infrared receiver component and light the control module carrying out scanning, it is characterized in that, described infrared receiver component is arranged on the first frame of touch-screen, infrared emission component be arranged on touch-screen second and third, on four frames;
Described first frame is the upper side frame of touch-screen, second and third, four frames are respectively on the left frame of touch-screen, left frame and lower frame;
The half infrared receiver component correspondence that first frame is arranged continuously receives the infrared light that the infrared emission component on the second frame sends, second half infrared receiver component correspondence arranged continuously on first frame receives the infrared light that the infrared emission component on the 4th frame sends, and on the first frame, all infrared receiver component correspondences receive the infrared light that the infrared emission component on the 3rd frame sends.
2. anti-interference infrared touching device according to claim 1, is characterized in that, described first frame is the touch-screen frame of extraneous main light source dorsad.
3. anti-interference infrared touching device according to claim 1, is characterized in that, described infrared emission component is arranged on the frame of touch-screen by infrared scan radiating circuit plate.
4. anti-interference infrared touching device according to claim 1, is characterized in that, described infrared receiver component is arranged on the frame of touch-screen by infrared scan circuit board for receiving.
5. anti-interference infrared touching device according to claim 1, is characterized in that, the infrared light that the infrared emission component on each touch-screen frame sends receives by the whole infrared receiver component correspondences on the first frame.
6. the anti-interference infrared touching device according to any one of claim 1 to 5, is characterized in that, the corresponding infrared receiver component of each infrared emission component.
7. the anti-interference infrared touching device according to any one of claim 1 to 5, is characterized in that, the corresponding two or more infrared receiver component of each infrared emission component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210229332.8A CN102799316B (en) | 2012-07-04 | 2012-07-04 | A kind of anti-interference infrared touching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210229332.8A CN102799316B (en) | 2012-07-04 | 2012-07-04 | A kind of anti-interference infrared touching device |
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| CN102799316A CN102799316A (en) | 2012-11-28 |
| CN102799316B true CN102799316B (en) | 2016-01-20 |
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| CN201210229332.8A Expired - Fee Related CN102799316B (en) | 2012-07-04 | 2012-07-04 | A kind of anti-interference infrared touching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106201119A (en) * | 2016-06-27 | 2016-12-07 | 深圳帝显高端制造方案解决有限公司 | Touching signals method of reseptance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945514A (en) * | 2006-07-27 | 2007-04-11 | 广东威创日新电子有限公司 | Anti-interference type infrared touch device and positioning method |
| CN101604496A (en) * | 2008-06-12 | 2009-12-16 | 三星Sdi株式会社 | Display device with touch screen function |
| CN102053762A (en) * | 2009-10-30 | 2011-05-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen and touch positioning method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945514A (en) * | 2006-07-27 | 2007-04-11 | 广东威创日新电子有限公司 | Anti-interference type infrared touch device and positioning method |
| CN101604496A (en) * | 2008-06-12 | 2009-12-16 | 三星Sdi株式会社 | Display device with touch screen function |
| CN102053762A (en) * | 2009-10-30 | 2011-05-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen and touch positioning method thereof |
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Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 No. 6, color road, hi tech Industrial Development Zone, Guangdong, Guangzhou, China Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
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Granted publication date: 20160120 Termination date: 20210704 |