CN103995623B - Non-contact type touch screen control device - Google Patents
Non-contact type touch screen control device Download PDFInfo
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- CN103995623B CN103995623B CN201410207039.0A CN201410207039A CN103995623B CN 103995623 B CN103995623 B CN 103995623B CN 201410207039 A CN201410207039 A CN 201410207039A CN 103995623 B CN103995623 B CN 103995623B
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Abstract
The invention provides a non-contact type touch screen control device, and belongs to the photoelectric field. The non-contact type touch screen control device is used for solving the problem that an existing non-contact type touch screen control scheme is complex in implementation and poor in reliability, and cannot conduct non-contact type operation on a far-distance large touch screen. The non-contact type touch screen control device comprises a handheld light-emitting device and a touch screen pasted film, the handheld light-emitting device provides light beams within a first appointed wavelength scope, and the touch screen pasted film is pasted to the surface of a touch capacitance screen to be controlled and sequentially comprises a first transparent protection layer, a multi-point isolating layer, a photoelectric induction layer and a second transparent protection layer in the direction from the surface of the touch capacitance screen to be controlled to the outer side. When the photoelectric induction layer is irradiated by the light beams within the first appointed wavelength scope, the irradiated part is broken down, and the broken-down irradiated part is in contact with the surface of the touch capacitance screen to be controlled through the multi-point isolating layer and the first transparent protection layer. The non-contact type touch screen control device is simple in structure, free of limitation of the touch screen size and the external environment and high in touch screen control reliability.
Description
Technical field
The present invention relates to photoelectric field, more particularly, to a kind of contactless touch screen control device.
Background technology
Nearly 5 years, smart mobile phone captured the primary seat in mobile communication terminal market, meanwhile, disappears to meet
The diversified life of the person of expense and entertainment requirements, various application softwaries produce therewith, while providing service, also for moving
The operational approach of dynamic terminal is that the interactivity between user and equipment proposes new requirement.12 traditional key operations and later
Full key board disc apparatus, far can not meet the operating function that a feast for the eyes app provides the user, now, touch display
Screen technology is arisen at the historic moment, and using the most simply, easily mode makes consumer complete to operate, reaches unprecedented man-machine interaction body
Test.This technology is applied simultaneously to panel computer, notebook computer, the significantly various terminal equipment such as display screen, captures rapidly
Market.It is the most natural input medium, with modern to save space and man-machine display interface aesthetic with interactive will
The lifting asked, traditional mechanical key mode is gradually replaced by touch screen.
To distinguish according to know-why, touch screen substantially can be divided into five basic kind: vector pressure sensing technology touches
Touch screen, resistive technologies touch screen, capacitance technology touch screen, infrared technology touch screen, surface acoustic wave technique touch screen.Wherein early
The vector pressure sensing technology touch screen of phase has had logged out the stage of history, although infrared touch panel is cheap, its
Housing is broken, easily produces light interference, distortion etc. in the case of curved surface, leads to service condition little.The positioning of resistive touch screen
Accurately, but price is quite high, and be afraid of scrape rapid wear.Surface acoustic wave touch screen solves the various defects of conventional touch screen, clearly
Uprising it is adaptable to various occasions, defect is that the water droplet of screen surfaces, dust can make touch screen slow up, or even cannot work.Electricity
Hold touch screen design theory well although its image distortion problems has much room for improvement, but it is still touch dress most widely used at this stage
One of put, its principle is to stick the metal capacitance material of layer of transparent in glass surface, and these special metal capacitance materials claim
For metal level, metal level has multiple touch positioning units.When finger (electric conductor) touches on metal level, the electricity of electric shock
Appearance will change so that the oscillator frequency being attached thereto changes, and can determine touch by measurement frequency change
Dot position information.
With the development of intelligent terminal, touch display screen becomes indispensable display device, although but contact action
Convenient, but require finger completely operating of contacts in person, many times can not meet the demand of use, particularly meeting, class
The significantly touch display screen of hall, this is the limiting factor that original smooth human-computer interaction operation brings much inconvenience.Remove
Operational limit beyond, free-hand complete touch operation is also easy to screen is caused certain dirt and damage, simultaneously
It is unfavorable for the consideration of health aspect.If a kind of method can be had under conditions of non-touching, complete the operation of touch screen, realize very well
Human-computer interaction function, it will be the much progress in intelligent terminal's control operation.
Although the operation of existing touch screen technology is convenient, it but has certain qualificationss, such as must we itself
Finger completely contacts in person, and this just brings certain operational issue.In such as cold winter, what we were frequently encountered by is exactly
Both hands with glove cannot operate to touch screen product.In addition handss touch mode and are dfficult to apply to long-range significantly touch display
Screen.With scientific and technological development, either give lessons in campus or the meeting of company is given a lecture, even our family's LCD TV,
Touch screen all has been obtained for being widely applied, but most significantly touch display screen is generally only to carry out some letters with laser pen
Single page turning, luminous point indicates, can not complete the operation of other complexity at all；Simultaneously using the restriction of distance and screen size, lead
Cause us cannot carry out manual operation in real time, this just in vain waste good touch screen resource, also make again to disappear simultaneously
The person's of expense interactive reduction in use, has returned to the stage of original non-tactile display screen.Except operational limitation, apprentice
The complete touch operation of handss is also easy to screen is caused certain damage, and these oil stains, the long-term existence of spot not only have influence on
The display degree of screen, the sensitivity to operation simultaneously also has very big impact, and a lot of consumers have been found that touching of life-time service
Screen can produce operation bradykinesia, the even phenomenon of screen sliding, and this leverages the user's body of the smoothness that intelligent terminal brings
Test.And in public, some touch-screen equipments use for substantial amounts of recurrent population, free-hand operation do not meet simultaneously yet health and
Health is convenient to consider that practical, convenient touch screen has but become the approach of pathophoresiss.
Accordingly, it would be desirable to a kind of contactless touch screen control program, it is capable of in the case of not contacting touch screen
Control to touch screen.Have both at home and abroad a lot of scholars for above-mentioned related, close problem propose multiple solutions thinking and
Scheme, substantially has following several.
First, be also concentrate the most, the most scheme of user is it is simply that thought based on image procossing.Before screen
Square specified location places one or more video camera, and its angles and positions has and more clearly requires, then to screen before
Many operation diagram pictures carry out Quick Acquisition in short-term.Pc machine, by the collection to image, is contrasted with original image, Jing Guofu
Miscellaneous parser, draws operation conclusion, and instruction display screen is operated.This thought is applied in different patents, paper, relates to
And the instruction operation of laser pen, the operation of the operation of gesture, even some dimensional posture.But the shortcoming of the program is to ring
The restriction in border requires very high, needs to set up external camera head and is connected with touch screen displays and pc machine, does not have and generally fit
With property and animal migration, and computer is also required to just to complete above-mentioned behaviour through the analysis of complicated algorithm and image processing techniquess
Make, it is desirable to have a powerful data base supports, and the image of multi collect is carried out storing, analyzes, thus completing image
Analysis contrast is it is ensured that operate the accuracy of identification.Meanwhile, the collection of image has been required for environment, light, operator's clothing etc.
Certain consideration, situation is complicated and inevitably produces the error in identification.
Second, being to make an issue of in itself in screen, lay two-layer capacitor layers, between there is certain gap, and two layer capacitances
Touch positioning unit between layer is interspersed.Because the area with the touch unit on the metal level of capacitance plate itself increases
When, it is possible to achieve contactless input, that is, finger need not completely attach to screen, but when having certain distance, touching after increase
Touch the capacitance variations that positioning unit just can sense that the action of operation object brings.But the area due to touching positioning unit increases
Big, in the case that the capacitance plate gross area is set, the number of touch unit can be led to reduce, and then make under the precision of input
Fall, this kind of scheme lays to improve the position detection accuracy operating during noncontact using the capacitor layers of multilamellar.Although the program has
Effect easily achieves contactless operation, but has certain limitations for non-contacting distance, and the operation for giant-screen
Still helpless, it is not very big to meaning in the man-machine interaction experience of contactless operation screen.
Third, being also a kind of instantly very popular scheme, i.e. mesh control operation.Eyeball can be when infrared beam irradiates
Infrared light spot is reflected on cornea, and infrared light spot can form the differential seat angle in two directions anyhow, this differential seat angle with pupil center
Change with the rotation of eyeball.Built-in camera above screen is a miniature detection means, can read difference big
Little, it is compared with the interval angles benchmark of the eye control focusing prestoring.Then, through a series of image procossing, regard
Line analysis, motion analyses etc., notification screen equipment completes to operate.This kind of method seems novel convenient, but daily due to eyes
Action is excessively complicated, extra operation occurs unavoidably in operation, such as blinks, and suddenly turns mesh and sees other places etc., this
Casual little trick also can be collected by micro detecting device a bit, as operational instruction, thus bringing much extra
Amount of calculation, brings operational erroneous judgement simultaneously.In addition, the degree of restriction of the method also very high must be requested that screen has front
Camera head, or external camera head, and eyes for mobile phone, must be put down in the range of detection means can photograph
The Miniature Terminals such as plate computer still meet requirement, and then cannot realize operating for remote significantly display screen.
In sum, the direct processing ease of existing touch screen presence handss causes to touch screen necessarily to damage, easily passes
Dye disease and a lot of occasion in there is a problem of can not directly using handss operation touch-screen, and existing non-touch under conditions of
The scheme that touch screen is controlled exists to be realized complicated, poor reliability and cannot carry out noncontact to long-distance large touch screen
The problem of formula operation.
Content of the invention
The present invention provides a kind of contactless touch screen control device, directly grasps for solving existing touch screen presence handss
Make easily touch screen to be caused necessarily to damage, easily infect in disease and a lot of occasion and exist and can not directly be touched with bringing drill to an end
The problem of screen, and existing contactless touch screen control program realizes complicated, poor reliability and long-distance large cannot be touched
Touch the problem that screen carries out contactless operation.
For solving above-mentioned technical problem, the present invention provides a kind of contactless touch screen control device, comprising: hand-held lighting sets
Standby, the light beam of the first designated wavelength range is provided；Touch screen pad pasting, is affixed on touch electric capacity screen surfaces to be controlled, from described to be controlled
On the touch electric capacity screen surfaces direction laterally of system, described touch screen pad pasting includes the first protective clear layer, multiple spot isolation successively
Layer, optoelectronic induction layer and the second protective clear layer；Described optoelectronic induction layer is being penetrated the first finger coming by described hand-held luminaire
When the light beam of wavelength range irradiates, irradiated site punctures, the described irradiated site puncturing pass through described multiple spot sealing coat with
First protective clear layer is contacted with described touch electric capacity screen surfaces to be controlled.
Preferably, described hand-held luminaire include first light beam generate emitter, electric supply installation, mcu processor, first
Switch and beam control unit；Described electric supply installation is connected and is with needing all parts of power supply in described hand-held luminaire
Its power supply；Described first switch, beam control unit are all connected with described mcu processor；Described first switch is a fast resilience
Switch key, the first triggering end for making described mcu processor when being in down state comes into force；Described beam control unit
For making down the second triggering end of described mcu processor come into force in working order；Described mcu processor is in the first triggering end or
Two triggering ends control described first light beam to generate the light beam that emitter continuously generates described first designated wavelength range during coming into force
And so that it is projected from specified location；Wherein, described mcu processor is higher than right to the response priority of the second triggering end active states
The response priority of the first triggering end active states.
Preferably, described beam control unit includes beam splitting microscope group and is arranged at the control block in a chute；Described point
Bundle microscope group is arranged at described first light beam and generates on the light direction of emitter, sends out for described first light beam is generated emitter
The light beam of a branch of first designated wavelength range going out is divided into the light beam of two bundle first designated wavelength range with certain angle
Go out；Described control block under user control in described chute slide, described control block be in described chute first specify
In the range of when described beam control unit be in off working state, described control block is in the second specified range in described chute
When interior, described beam control unit is in running order；Described control block is also connected with described beam splitting microscope group, for from
The corresponding lens movement of described beam splitting microscope group is driven, to adjust described beam splitting when moving in the second specified range in described chute
The angle of the light beam of two bundle the first designated wavelength range of microscope group output.
Preferably, described hand-held luminaire also includes second switch and the second light beam being connected with described mcu processor
Generate emitter；Described second switch is used for making the 3rd triggering end of described mcu processor come into force in switch closure；Described
Mcu processor controls described second light beam generation emitter to continuously generate the second specified wavelength model during the 3rd triggering end comes into force
The light beam that encloses simultaneously makes it project from specified location；Described mcu processor is low to the response priority of the 3rd triggering end active states
In the response priority to the first triggering end active states.
Preferably, when described control block moves in the second specified range in described chute, described beam splitting microscope group output
Two bundle the first designated wavelength range light beams angle range of accommodation be 0 degree to 100 degree.
Preferably, described second designated wavelength range is 650-660nm.
Preferably, described first designated wavelength range is 515-520nm.
The having the beneficial effect that of the technique scheme of the present invention:
The contactless touch screen control device that the present invention provides passes through the touch screen pad pasting of hand-held luminaire and special construction
Cooperation, special wavelength light beam can be controlled to realize the operation of contactless touch screen by hand-held luminaire, realize to touching
Touch the clicking of screen, long by, multipoint operation, amplify, reduce screen display etc. and control, and realize returning function by the 3rd switch,
Reduce many finger operations of touch-screen mobile phone completely.This device need not change the structure of original touch screen, for distinct device, such as intelligence
The touch screen pad pasting of size and its touch screen surface matching only need to be affixed on tactile by energy mobile phone, panel computer, significantly touch display screen curtain etc.
Screen surfaces, you can carry out non-contact type touch control operation using hand-held luminaire, have applied range, are not subject to equipment chi itself
The advantage that very little and external environment limits.With respect to existing contactless touch screen control program, camera head need not be set up, also not
The storage of line algorithm and image library must be entered, operation instantaneity is strong, and structure is simple, has very strong animal migration, to touch screen simultaneously
Control reliability high, have good market prospect and actual application value.
Brief description
Fig. 1 is the structural representation of contactless touch screen control device provided in an embodiment of the present invention；
The structure that is preferable to carry out of the hand-held luminaire in the contactless touch screen control device that Fig. 2 provides for the present invention is shown
It is intended to；
The another of hand-held luminaire in the contactless touch screen control device that Fig. 3 provides for the present invention is preferable to carry out tying
Structure schematic diagram；
Fig. 4 is preferable to carry out outside drawing in kind for hand-held luminaire shown in Fig. 3.
[description of reference numerals]:
1st, hand-held luminaire；
2nd, touch screen pad pasting；
3rd, touch capacitance plate；
11st, the first light beam generates emitter；
12nd, electric supply installation；
13rd, mcu processor；
14th, first switch；
15th, beam control unit；
16th, second switch；
17th, the second light beam generates emitter；
18th, chute；
19th, control block；
20th, light-emitting window；
21st, the first protective clear layer；
22nd, multiple spot sealing coat；
23rd, optoelectronic induction layer；
24th, the second protective clear layer.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
Realize complicated, poor reliability and cannot be right for solving existing contactless touch screen control program in prior art
Long-distance large touch screen carries out the problem of contactless operation, and the embodiment of the present invention provides a kind of contactless touch screen to control dress
Put, as shown in figure 1, this device includes the hand-held luminaire 1 using cooperatively and touch screen pad pasting 2.Wherein, hand-held luminaire 1
The light beam of the first designated wavelength range is provided；Touch screen pad pasting 2 is affixed on touch capacitance plate 3 surface to be controlled, touches to be controlled
Touch on the direction laterally of the surface of capacitance plate 3, touch screen pad pasting 2 includes successively: the first protective clear layer 21, multiple spot sealing coat
22nd, optoelectronic induction layer 23 and the second protective clear layer 24.Wherein, the direct and air contact of the second protective clear layer 24, is transparent
Protective layer, there is very high transparency, do not affect display function, prevent the impurity of in the air, solid object to pad pasting simultaneously
Core layer causes to wear and tear, and serves fine defencive function.22 optoelectronic induction layers 23 of multiple spot sealing coat and the touch electric capacity of lower section
Screen 3 separates some gaps.First protective clear layer 21 is used for protecting multiple spot sealing coat 22, prevents it and touches between capacitance plate 3
Abrasion.Optoelectronic induction layer 23 is similar to a light sensor that can detect light in the first designated wavelength range, by handss
Hold luminaire and penetrate irradiated site when the light beam of the first designated wavelength range come irradiates and puncture, the irradiated site puncturing is logical
The touch positioning unit crossing multiple spot sealing coat 22 and the first protective clear layer 21 with touch capacitance plate 3 surface to be controlled connects
Touch, then touch electric capacity at contact position for the capacitance plate 3 change so that with touch capacitance plate 3 connecting place agitator frequency
Rate changes, and the function that touch capacitance plate 3 has in itself can obtain the position of touch point by measuring the change of this frequency
Confidence ceases.Operation principle due to touching capacitance plate 3 is prior art, is not the emphasis of the present invention, here is omitted.
The structure that is preferable to carry out of the hand-held luminaire in the contactless touch screen control device that Fig. 2 provides for the present invention is shown
It is intended to, this hand-held luminaire includes the first light beam and generates emitter 11, electric supply installation 12, mcu processor 13, first switch 14
With beam control unit 15.Wherein, electric supply installation 11 is connected with all parts needing power supply in hand-held luminaire and is it
Power supply.First switch 14, beam control unit 15 are all connected with mcu processor 13；First switch 14 for one return to spring switch by
Key, for making the first triggering end of mcu processor 13 come into force when being in down state ("On" state)；Beam control unit 15
For making down the second triggering end of mcu processor 13 come into force in working order；Mcu processor 13 touches in the first triggering end or second
Make a start and during coming into force, control the first light beam generation emitter 11 to continuously generate the light beam of the first designated wavelength range and make it from finger
Positioning puts injection；Wherein, mcu processor 13 is higher than that the first triggering end is given birth to the response priority of the second triggering end active states
The response priority of effect state.For example, it is possible to from the existing mcu with least two triggering ends with different priorities
Processor, then by first switch 14 be connected to the first triggering end of mcu processor 13 and can make high level circuit that it comes into force it
Between, when so can achieve that first switch 14 is pressed, it can be made to come into force what the first triggering end of mcu processor 13 connected
High level circuit communication, when first switch 14 is upspring, what the first triggering end of mcu processor 13 connected can make the height that it comes into force
Level circuit disconnects, thus realizing the control of the first triggering end to mcu processor 13 for the first switch 14.Beam control unit 15
Control to the second triggering end of mcu processor 13 can be realized using similar principle.
It can be seen that, the hand-held luminaire shown in Fig. 2, when beam control unit 15 is in off working state, short is opened by first
Close 14, this hand-held luminaire can realize the short time light irradiation of the specified location to touch screen pad pasting, that is, complete user and adopt
With the clicking operation to the touch capacitance plate below touch screen pad pasting for this hand-held luminaire.And work as and so that beam control unit 15 is in
For a long time during working condition, you can realizing hand-held luminaire continuously uninterruptedly provides the light beam of the first designated wavelength range,
Thus user touch screen pad pasting can be realized irradiate for a long time using this light beam thus complete to touch capacitance plate long when
Between by hitting function, or this hand-held luminaire hand-held makes the light beam of the first designated wavelength range move on touch screen pad pasting, real
Now it is similar to linear slide effect on the touchscreen during finger manipulation touch screen.
Preferably, in order to realize clicking on to realize the operation of multi-point touch on screen similar to two fingers simultaneously, complete
Become the function of the display of such as amplification picture or the page.Light beam control in above-mentioned hand-held luminaire provided in an embodiment of the present invention
Unit processed includes beam splitting microscope group and is arranged at the control block in a chute.Beam splitting microscope group is arranged at the first light beam and generates emitter
Light direction on, have for the first light beam being generated the light beam of a branch of first designated wavelength range that emitter sends being divided into
The light beam of two bundle the first designated wavelength range of certain angle projects.Control block is slided under user control in chute, controls
When in the first specified range that block is in chute, beam control unit is in off working state, and control block is in chute
When in two specified ranges, beam control unit is in running order；Control block is also connected with beam splitting microscope group, for from cunning
The corresponding lens movement of beam splitting microscope group is driven, to adjust two bundles of beam splitting microscope group output when moving in the second specified range in groove
The angle of the light beam of the first designated wavelength range.Thus, slided back and forth in the second specified range in chute by adjusting control block
Dynamic, it is possible to achieve the beam divergence angle of the first designated wavelength range of handheld device output from large to small or changes from small to big, that is, real
The hot spot being now irradiated on touch screen pad pasting from large to small or changes from small to big, thus reaching the multi-point touch to touch screen for the similar finger
Operating effect.Preferably, when control block moves in the second specified range in chute, two bundles first of beam splitting microscope group output
The angle range of accommodation of the light beam of designated wavelength range is 0 degree to 100 degree.
Fig. 3 show another preferred reality of the hand-held luminaire in the contactless touch screen control device of present invention offer
Apply structural representation, hand-held luminaire in this contactless touch screen control device be may also include and is connected with mcu processor
Second switch 16 and the second light beam generate emitter 17.Second switch 16 is used for making the of mcu processor 13 in switch closure
Three triggering ends come into force；Mcu processor 13 controls the second light beam generation emitter 17 to continuously generate during the 3rd triggering end comes into force
The light beam of the second designated wavelength range simultaneously makes it project from specified location；The sound to the 3rd triggering end active states for the mcu processor
Priority is answered to be less than the response priority to the first triggering end active states.Wherein, in this contactless touch screen control device
Touch screen pad pasting is inoperative to the light beam of the second designated wavelength range, and that is, the light beam of the second designated wavelength range is irradiated to Fig. 1 institute
When on the optoelectronic induction layer 23 in the touch screen pad pasting 2 showing, optoelectronic induction layer 23 can't be breakdown, now the second specified wavelength model
The light beam enclosing is touching the function that capacitance plate 3 just only plays the instruction screen of similar existing laser pen.
Preferably, above-mentioned first designated wavelength range is the green light band of 515-520nm.
Preferably, above-mentioned second designated wavelength range is 650-660nm, the HONGGUANG ripple that is, existing laser stylus are commonly used
Section.
What Fig. 4 showed hand-held luminaire shown in Fig. 3 is preferable to carry out outside drawing in kind.In Fig. 4, " power " button is
First switch 14, " on/off " button is second switch 16, and beam control unit includes beam splitting microscope group and (not shown in Fig. 4, is in
Device interior) and it is arranged at control block 19 in a chute 18, " break " region shown in chute 18 downside is described to make light
Bundle control unit is in the first specified range of off working state, and the high order end of " hold " printed words in figure chute 18 is to make light
The second in running order specified range of bundle control unit；In Fig. 4, light-emitting window 20 is that the first light beam generates emitter 11 and the
Two light beams generate the light-emitting window of emitter 17.The first light beam in Fig. 3 generates emitter 11, electric supply installation 12, mcu processor 13
Generate emitter 17 with the second light beam and be arranged at this device interior, therefore not shown in the diagram.
The concrete operations function of hand-held luminaire shown in Fig. 4 is as follows:
1) press second switch " on/off ", second switch is the working condition of switch closure, if now at control block 19
In " break " position, and first switch " power " button do not press, then the 3rd triggering end of mcu processor 13 comes into force, at mcu
Reason device 13 controls the second light beam generation emitter 17 to continuously generate the light beam of the second designated wavelength range (as λ=650～660nm
Red light beam) and so that this light beam is projected from light-emitting window 20, now this handheld device is similar to common laser pen, only has indicator panel
The function of curtain, user can carry out position instruction using the light beam that it sends on touch screen.
2) when user needs to complete the clicking operation to touch capacitance plate 3, flicking first switch " power " is only needed to press
Key, if now control block 19 is in, and " " position, the first triggering end of mcu processor 13 comes into force break, and mcu processor 13 exists
" power " button controls the first light beam generation emitter 11 to continuously generate the first designated wavelength range during being in down state
Light beam (as the green beam of λ=515-520nm) simultaneously makes this light beam project from light-emitting window 20, and in the quick bullet of " power " button
Act the light beam stopping when recovering that the first light beam generates emitter 11 generation the first designated wavelength range, thus realize finger touching a little
Hit the imitation effect touching capacitance plate 3.
3) if desired keep for a long time to touch capacitance plate 3 then control block 19 can be pushed to chute 18 by the state of hitting
" hold " printed words so that the second triggering end of mcu processor 13 is come into force to high order end region, now mcu processor 13 will control
First light beam generates emitter 11 and keeps generating the light beam of the first designated wavelength range, and in " hold " position, light-emitting window 20 projects
The angle of light beams of two bundle the first designated wavelength range be 0 degree, when control block 19 toward in figure shown in the left side of chute 18 push away
When dynamic, the angle of the light beam of two bundle the first designated wavelength range that light-emitting window 20 projects constantly increases, and so can change two bundles
The angle of emergent ray, is touching click on capacitance plate 3 similar to two fingers simultaneously, is helping realize the operation of multi-point touch,
Complete the function of the display of such as amplification picture or the page.It can be seen that, beam angle is controlled by control block 19 push-and-pull, operation is very
Conveniently, freely.
Contactless touch screen control device provided in an embodiment of the present invention passes through touching of hand-held luminaire and special construction
The cooperation of screen pad pasting, can control special wavelength light beam to realize the operation of contactless touch screen by hand-held luminaire, real
Now to the clicking of touch screen, long by, multipoint operation, amplify, reduce screen display etc. and control, and realize returning by the 3rd switch
Function, reduces many finger operations of touch-screen mobile phone completely.This device need not change the structure of original touch screen, sets for difference
Standby, such as smart mobile phone, panel computer, significantly touch display screen curtain etc., only need to be by the touch screen patch of size and its touch screen surface matching
Film is affixed on touch screen surface, you can carry out non-contact type touch control operation using hand-held luminaire, has applied range, is not set
Itself size standby and the advantage of external environment restriction.With respect to existing contactless touch screen control program, shooting need not be set up
Device, also need not enter the storage of line algorithm and image library, and operation instantaneity is strong, and structure is simple, has very strong animal migration simultaneously,
High to the control reliability of touch screen, there are good market prospect and actual application value.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of contactless touch screen control device is it is characterised in that include:
Hand-held luminaire, provides the light beam of the first designated wavelength range；
Touch screen pad pasting, is affixed on touch electric capacity screen surfaces to be controlled, to be controlled touches electric capacity screen surfaces laterally from described
On direction, it is transparency protected that described touch screen pad pasting includes the first protective clear layer, multiple spot sealing coat, optoelectronic induction layer and second successively
Layer；Described optoelectronic induction layer irradiation portion when the light beam being penetrated the first designated wavelength range come by described hand-held luminaire irradiates
Position punctures, and the described irradiated site puncturing passes through described multiple spot sealing coat and the first protective clear layer and described to be controlled
Touch electric capacity screen surfaces touch positioning unit contact, touch electric capacity at contact position for the capacitance plate change so that
Change with the described oscillator frequency touching capacitance plate connecting place, the described capacitance plate that touches passes through to measure the change of this frequency
To obtain the positional information of touch point.
2. as claimed in claim 1 contactless touch screen control device it is characterised in that described hand-held luminaire includes
One light beam generates emitter, electric supply installation, mcu processor, first switch and beam control unit；
Described electric supply installation with need all parts of power supply to be connected in described hand-held luminaire and be its power supply；
Described first switch, beam control unit are all connected with described mcu processor；Described first switch returns to spring switch for one
Button, the first triggering end for making described mcu processor when being in down state comes into force；Described beam control unit is used for
The second triggering end of described mcu processor is made down to come into force in working order；
Described mcu processor controls described first light beam to generate emitter even during the first triggering end or the second triggering end come into force
The light beam of described first designated wavelength range of continuous generation simultaneously makes it project from specified location；Wherein, described mcu processor is to second
The response priority of triggering end active states is higher than the response priority to the first triggering end active states.
3. as claimed in claim 2 contactless touch screen control device it is characterised in that described beam control unit includes point
Restraint microscope group and be arranged at the control block in a chute；
Described beam splitting microscope group is arranged at described first light beam and generates on the light direction of emitter, for giving birth to described first light beam
The light beam of a branch of first designated wavelength range that one-tenth emitter sends is divided into the two bundle first specified wavelength models with certain angle
The light beam enclosing projects；
Described control block under user control in described chute slide, described control block be in described chute first specify
In the range of when described beam control unit be in off working state, described control block is in the second specified range in described chute
When interior, described beam control unit is in running order；Described control block is also connected with described beam splitting microscope group, for from
The corresponding lens movement of described beam splitting microscope group is driven, to adjust described beam splitting when moving in the second specified range in described chute
The angle of the light beam of two bundle the first designated wavelength range of microscope group output.
4. as claimed in claim 3 contactless touch screen control device it is characterised in that described hand-held luminaire also includes
The second switch being connected with described mcu processor and the second light beam generate emitter；
Described second switch is used for making the 3rd triggering end of described mcu processor come into force in switch closure；Described mcu processor
Described second light beam is controlled to generate the light beam that emitter continuously generates the second designated wavelength range during the 3rd triggering end comes into force
And so that it is projected from specified location；Described mcu processor is less than to first to the response priority of the 3rd triggering end active states
The response priority of triggering end active states.
5. as claimed in claim 3 contactless touch screen control device it is characterised in that described control block is in described chute
The second specified range in when moving, the angle of the light beams of two bundle the first designated wavelength range of described beam splitting microscope group output is adjusted
Scope is 0 degree to 100 degree.
6. as claimed in claim 4 contactless touch screen control device it is characterised in that described second designated wavelength range is
650-660nm.
7. the contactless touch screen control device as described in any one of claim 1 to 5 is it is characterised in that described first specifies
Wave-length coverage is 515-520nm.
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| CN201410207039.0A CN103995623B (en) | 2014-05-16 | 2014-05-16 | Non-contact type touch screen control device |
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| CN103995623B true CN103995623B (en) | 2017-02-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074543A1 (en) * | 2014-11-11 | 2016-05-19 | 国民技术股份有限公司 | Method, device for peripheral location on capacitive touch screen, touch control device and peripheral |
| CN106849930A (en) * | 2015-12-03 | 2017-06-13 | 苏州宝时得电动工具有限公司 | Non-contact switch |
| CN107066141B (en) * | 2017-01-23 | 2020-05-01 | 合肥鑫晟光电科技有限公司 | Touch module, manufacturing method thereof, touch display screen and pulse laser pen |
| CN107168591B (en) * | 2017-07-05 | 2020-03-27 | 京东方科技集团股份有限公司 | Optical touch panel and display device |
| CN109298799B (en) * | 2017-07-24 | 2020-08-11 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof, display device and method for optically controlling display device |
| CN110244878A (en) * | 2019-06-21 | 2019-09-17 | 四川点燃科技有限公司 | A kind of non-contact type touch control screen and control method |
| CN111414047B (en) * | 2020-03-05 | 2021-08-17 | 联想(北京)有限公司 | Touch screen control method, electronic device and storage medium |
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