CN109814745A - Reduce the electronic whiteboard and LCD all-in-one machine of touch-control interference - Google Patents
Reduce the electronic whiteboard and LCD all-in-one machine of touch-control interference Download PDFInfo
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- CN109814745A CN109814745A CN201810423623.8A CN201810423623A CN109814745A CN 109814745 A CN109814745 A CN 109814745A CN 201810423623 A CN201810423623 A CN 201810423623A CN 109814745 A CN109814745 A CN 109814745A
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- 230000003287 optical effect Effects 0.000 claims abstract description 21
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- 238000005516 engineering process Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229920005372 Plexiglas® Polymers 0.000 claims description 3
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 239000006058 strengthened glass Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000006117 anti-reflective coating Substances 0.000 claims description 2
- 210000004556 brain Anatomy 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 4
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- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
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- 230000004048 modification Effects 0.000 description 2
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- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
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Abstract
The invention discloses the electronic whiteboards and LCD all-in-one machine of a kind of reduction touch-control interference, including panel, host computer PC, touch-control camera control mainboard, infrared camera, optical reflection item, frame, the surrounding of panel is arranged in the frame, the host computer PC is built in panel, the touch-control camera control mainboard is connected by data line with the host computer PC, it is characterized in that, the left side of frame is arranged in the optical reflection item, top, the right, there are two the infrared camera settings, it is separately positioned on a left side for the lower end of frame, right end, the direction of the infrared camera of left end is towards the top and the right of frame；The direction of the infrared camera of right end is towards the top and the left side of frame.The present invention can guarantee reflected light, improve sensitivity, guarantee product using effect, reduce touch-control interference.
Description
Technical field
The present invention relates to electronic whiteboard field more particularly to a kind of electronic whiteboards and LCD all-in-one machine for reducing touch-control interference.
Background technique
Currently, electronic whiteboard and LCD all-in-one machine have come into operation, such as announce in 2016-06-01, notification number is
The Chinese utility model patent of CN205281444U: a kind of interactive electric whiteboard with liquid crystal touch screen, including frame body and set
It sets and includes a touch display screen with the electronic whiteboard main body on frame body, the electronic whiteboard main body, the electronic whiteboard main body
The back side is equipped with a computer main board, and the touch display screen includes a liquid crystal display and the capacitor that is arranged in front of liquid crystal display
Formula touch screen.It is for another example disclosed in 2015-06-17, the Chinese utility model patent of Publication No. CN204406365U: Yi Zhongjiao
Mutual formula electronic whiteboard and LCD all-in-one machine and the method for realizing common fluorescent clipboard, comprising: shell, flat-panel monitor, to drive
Dynamic and control display display main board, touch screen and the computer main board being electrically connected with touch screen, touch screen are mounted on flat
Plate display front, computer main board are electrically connected with display main board.
It is fast with reaction speed, precision is high, the service life is long, not by the advantages such as touching intensity size and electric current, voltage disturbance
It is widely used in school eduaction, commercial exhibitions, network interdynamic, office commander etc..Its built-in computer, collection computer and liquid crystal
Be shown in one, it is many to have the characteristics that high brightness, fine definition, interaction touch etc., it is deep by the numerous teachers and students of school, participant it is general
All over liking.
Wherein, the realization of touch screen generally uses infrared optics (or infrared light LED dot matrix) touch-control, such as Publication No.
105589606A, the Chinese invention patent that publication date is 2016-05-18: a kind of interactive electronic with video signal communication function
Blank, wherein electronic whiteboard ontology uses infrared electronic Trackpad, which includes at least two infrared
The corner of the frame of the white ontology pair of electronics, optical reflection is arranged in camera, optical reflection item, at least two infrared cameras
Item is arranged on the four edges of the frame of electronic whiteboard, has LED light source, LED light source energy directive pair in each infrared camera
The optical reflection item in face, the infrared camera for being built-in with the LED light source receive light reflection, and two adjacent infrared cameras will
The signal observed is sent to control mainboard, and control mainboard is then obtained by calculating touch point in the data of optical reflection item
Touch-control coordinate.
And infrared optics (or infrared light LED dot matrix) touch-control electronic blank and LCD (liquid crystal display) all-in-one machine are using
In the process, the optical reflection item for being commonly encountered product lower frame is blocked by dust, is brought interference touch control operation and is weakened reflected light
The problem of, it eventually leads to sensitivity decrease, influence the problem of product using effect.
Summary of the invention
The purpose of the present invention is to provide a kind of guarantee reflected light, improve sensitivity, guarantee product using effect, reduction touching
Drain the electronic whiteboard disturbed and LCD all-in-one machine.
To achieve the above object, the invention provides the following technical scheme: a kind of electronic whiteboard and LCD for reducing touch-control interference
All-in-one machine, including panel, host computer PC, touch-control camera control mainboard, infrared camera, optical reflection item, frame, it is described
The surrounding of panel is arranged in frame, and the host computer PC is built in panel, and the touch-control camera control mainboard passes through number
It is connected according to line with the host computer PC, which is characterized in that the left side, top, the right of frame is arranged in the optical reflection item,
There are two the infrared camera settings, is separately positioned on the left and right end of the lower end of frame, the infrared camera of left end
Direction is towards the top and the right of frame；The direction of the infrared camera of right end is towards the top and the left side of frame.
The beneficial effect of electronic whiteboard and LCD all-in-one machine of the present invention is, compared with prior art, anti-by changing infrared light
Direction is penetrated, product can be evaded when writing, dust is fallen naturally blocks lower frame optical reflection item, then solves interference touching
The problem of control and decrease reflection light, after using the technical solution, it ensure that reflected light, improve sensitivity, ensure that production
The using effect of product reduces touch-control interference.
It is that the outside of each infrared camera is provided with infrared optics AR mirror as a further improvement of the present invention
Piece.For protecting infrared camera and reducing ambient interference.Infrared optics AR eyeglass is embedded in making, it in frame
With not wounding in the process vulnerable to external force such as blackboard erasers, the infrared optics AR eyeglass is located at the top of the lower frame of frame.
Preferably, the infrared optics AR eyeglass plates one layer on strengthened glass surface using magnetron sputtering technology and subtracts
Reflectance coating, or reflection-reducing material is penetrated into plexiglas table substrate using nanotechnology.Increase the transmitance of eyeglass.It is described to subtract
Reflectance coating and reflection-reducing material anti-reflection wavelength 780-1000nm, the anti-reflection main preferred 800-900nm of wave band.
Preferably, the frame includes outer rim, interior frame, and in outer rim, the interior frame is set the panel fastener
It sets between outer rim and panel, the interior frame indent is provided with hollow slots, and control of product route is routed by hollow slots, is mentioned
High product integrated level and wiring are cleaner and tidier firm.
Preferably, the quadrangle close-fitting of the outer rim is provided with aerofoil profile metal plate hornblock, for increasing product stability.
Preferably, the lower frame of the frame is provided with spill accommodating groove, to place small article, such as pen, whiteboard eraser
Object.
Preferably, the lateral surface of the optical reflection item is provided with dentalation, increases reflecting effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the schematic diagram of the infrared touch-control of the present embodiment.
In figure: 1- panel；2- host computer PC；3- touch-control camera control mainboard；4- infrared camera；5- is red
Outer optics AR eyeglass；6- optical reflection item；7- spill accommodating groove；8- outer rim；9- inner frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1,2 are please referred to, the present invention provides a kind of technical solution: a kind of electronic whiteboard and LCD mono- reducing touch-control interference
Body machine, including panel 1, host computer PC2, touch-control camera control mainboard 3, infrared camera 4, optical reflection item 6, frame,
The surrounding of panel 1 is arranged in frame, and host computer PC2 is built in panel 1, and touch-control camera control mainboard 3 passes through data line
It is connected with host computer PC2, the left side, top, the right of frame is arranged in optical reflection item 6, and the lateral surface of optical reflection item 6 is set
It is equipped with dentalation, reflection can be increased, there are two the settings of infrared camera 4, it is separately positioned on the left and right end of the lower end of frame,
The direction of the infrared camera 4 of left end is towards the top and the right of frame；The direction of the infrared camera 4 of right end is towards frame
Top and the left side.
Infrared camera 4 realizes the principle of touch-control and in 2016.04.06 bulletin, notification number in CN205139876U
State's patent of invention: the touch-control principle of the interactive electric whiteboard with video signal communication function is consistent, and panel 1 is touched using infrared electronic
Plate is controlled, there is LED light source (not shown) in each infrared camera 4, the optical reflection item 6 on LED light source energy directive opposite,
The infrared camera 4 for being built-in with the LED light source receives light reflection, if without object when being operated on panel 1, it is infrared to take the photograph
The reflected light reflected on directive optical reflection item 6 can be received as first 4, once having object when being operated on panel 1, LED
Light source can not reach on optical reflection item 6, and then infrared camera 4 does not observe the reflected light of reflection then, by the principle, two
The signal that a infrared camera 4 will be observed that is sent to touch-control camera control mainboard 3, and infrared camera control mainboard 3 passes through
Its inside chip calculates touch point in the data of optical reflection item 6, obtains touch-control coordinate (X, Y), realizes the touch-control of a point, and
Human-computer interaction is realized by host computer PC2.
The outside of each infrared camera is provided with infrared optics AR eyeglass 5, and infrared optics AR eyeglass 5 is embedded in product
Outer rim 8 in, so that it is not wounded in use vulnerable to external force such as blackboard erasers, infrared optics AR eyeglass 5 is in the upper of lower frame
Side.
Wherein, infrared optics AR eyeglass 5, which can use magnetron sputtering technology and plate one layer on strengthened glass surface, subtracts
Reflectance coating, or can use nanotechnology and penetrate into reflection-reducing material in plexiglas table substrate.Antireflective coating and antireflective material
The anti-reflection wavelength of material is 780-1000nm, the anti-reflection main preferred 800-900nm of wave band.
Frame includes outer rim 8, interior frame 9, and panel 1 is buckled in outer rim 8, and interior frame 9 is arranged in outer rim 8 and face
Between plate 1,9 indent of interior frame is provided with hollow slots.
Wherein, the metal plate hornblock in aerofoil profile can be set in the quadrangle of outer rim 8.In addition, the lower frame of outer rim 8 may be used also
Spill accommodating groove 7 is set.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of electronic whiteboard and LCD all-in-one machine for reducing touch-control interference, including panel (1), host computer PC (2), touch-control are taken the photograph
As head control mainboard (3), infrared camera (4), optical reflection item (6), frame, the surrounding in panel (1) is arranged in the frame,
The host computer PC (2) is built in panel (1), and the touch-control camera control mainboard (3) passes through data line and the electricity
Brain server PC (2) is connected, it is characterised in that: the left side, top, the right of frame is arranged in the optical reflection item (6), described red
There are two outer camera (4) settings, is separately positioned on the left and right end of the lower end of frame, the infrared camera (4) of left end
Direction is towards the top and the right of frame；The direction of the infrared camera (4) of right end is towards the top and the left side of frame.
2. the electronic whiteboard and LCD all-in-one machine according to claim 1 for reducing touch-control interference, it is characterised in that: Mei Gesuo
The outside for stating infrared camera is provided with infrared optics AR eyeglass (5), and the infrared optics AR eyeglass (5) is embedded in frame
Interior, the infrared optics AR eyeglass (5) is located at the top of the lower frame of frame.
3. the electronic whiteboard and LCD all-in-one machine according to claim 2 for reducing touch-control interference, it is characterised in that: described red
Outer optics AR eyeglass (5) plates one layer of antireflective coating on strengthened glass surface using magnetron sputtering technology, or utilizes nanometer
Technology penetrates into reflection-reducing material in plexiglas table substrate.
4. the electronic whiteboard and LCD all-in-one machine according to claim 3 for reducing touch-control interference, it is characterised in that: described to subtract
Reflectance coating and the anti-reflection wavelength of reflection-reducing material are 780-1000nm.
5. the electronic whiteboard and LCD all-in-one machine according to claim 4 for reducing touch-control interference, it is characterised in that: the increasing
Saturating dominant wavelength is 800-900nm.
6. the electronic whiteboard and LCD all-in-one machine according to claim 1 for reducing touch-control interference, it is characterised in that: the side
Frame includes outer rim (8), interior frame (9), and the panel (1) is buckled in outer rim (8), and interior frame (9) setting is outside
Between frame (8) and panel (1), interior frame (9) indent is provided with hollow slots.
7. the electronic whiteboard and LCD all-in-one machine according to claim 6 for reducing touch-control interference, it is characterised in that: described outer
The quadrangle of frame (8) is provided with metal plate hornblock (9).
8. the electronic whiteboard and LCD all-in-one machine according to claim 7 for reducing touch-control interference, it is characterised in that: institute
Metal plate hornblock (9) setting is stated in aerofoil profile.
9. the electronic whiteboard and LCD all-in-one machine according to claim 1 for reducing touch-control interference, it is characterised in that: the side
The lower frame of frame is provided with spill accommodating groove (7).
10. the electronic whiteboard and LCD all-in-one machine according to claim 1 for reducing touch-control interference, it is characterised in that: the light
The lateral surface for learning reflection bar (6) is provided with dentalation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810423623.8A CN109814745A (en) | 2018-05-06 | 2018-05-06 | Reduce the electronic whiteboard and LCD all-in-one machine of touch-control interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810423623.8A CN109814745A (en) | 2018-05-06 | 2018-05-06 | Reduce the electronic whiteboard and LCD all-in-one machine of touch-control interference |
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| Publication Number | Publication Date |
|---|---|
| CN109814745A true CN109814745A (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810423623.8A Pending CN109814745A (en) | 2018-05-06 | 2018-05-06 | Reduce the electronic whiteboard and LCD all-in-one machine of touch-control interference |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202120237U (en) * | 2011-05-30 | 2012-01-18 | 广州视睿电子科技有限公司 | Optical imaging touch screen with high sensitivity |
| JP3173215U (en) * | 2011-02-25 | 2012-01-26 | 深▲セン▼市觸幕經芯科技有限公司 | touch screen |
| CN202549087U (en) * | 2012-02-16 | 2012-11-21 | 张广智 | Multimedia demonstration device based on optical touch |
| CN204423344U (en) * | 2015-01-21 | 2015-06-24 | 宁夏乾能低碳科技开发有限公司 | A kind of optical image electronic whiteboard |
| CN204537096U (en) * | 2015-01-13 | 2015-08-05 | 北京魔力科技有限公司 | A kind of four camera optical image electronic whiteboards |
| CN208283921U (en) * | 2018-05-06 | 2018-12-25 | 柯梦天 | Reduce the electronic whiteboard and LCD all-in-one machine of touch-control interference |
-
2018
- 2018-05-06 CN CN201810423623.8A patent/CN109814745A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3173215U (en) * | 2011-02-25 | 2012-01-26 | 深▲セン▼市觸幕經芯科技有限公司 | touch screen |
| CN202120237U (en) * | 2011-05-30 | 2012-01-18 | 广州视睿电子科技有限公司 | Optical imaging touch screen with high sensitivity |
| CN202549087U (en) * | 2012-02-16 | 2012-11-21 | 张广智 | Multimedia demonstration device based on optical touch |
| CN204537096U (en) * | 2015-01-13 | 2015-08-05 | 北京魔力科技有限公司 | A kind of four camera optical image electronic whiteboards |
| CN204423344U (en) * | 2015-01-21 | 2015-06-24 | 宁夏乾能低碳科技开发有限公司 | A kind of optical image electronic whiteboard |
| CN208283921U (en) * | 2018-05-06 | 2018-12-25 | 柯梦天 | Reduce the electronic whiteboard and LCD all-in-one machine of touch-control interference |
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