CN103399676B - The automatic detection and adjustment method of the seamless spliced touch control film of electromagnetism interference and application system - Google Patents
The automatic detection and adjustment method of the seamless spliced touch control film of electromagnetism interference and application system Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003384 imaging method Methods 0.000 claims abstract description 17
- 238000004364 calculation method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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Abstract
Present invention is disclosed automatic detection and adjustment method and the application of the seamless spliced touch control film of a kind of electromagnetism interference, including the touch control film with electromagnetism interference automatic detection and adjustment function of two or more than two, imaging display apparatus, and the calculation control unit being connected with touch control film, imaging display apparatus electric wire.The invention have the advantages that and propose the anti-interference automatic adjusting method that a kind of adjacent touch film is seamless spliced, successfully solve the electromagnetic interference problem that touch control film produces when seamless (the most closely) splices, the nanometer touch film making two or more than two can realize seamless (closely) splicing, opens more application for touch control film.
Description
Technical field
The present invention relates to technical field of touch control, be specifically related to a kind of multiple seamless spliced touch control film automatic detection and adjustment sides
Method and application system.
Background technology
Increasingly extensive along with touch technology, the application of touch-control the most increasingly diversification, simple, just due to touch control operation
The features such as victory, hommization have become the optimal interface of human-computer interaction and have popularized rapidly.Develop based on projecting type capacitor touch technology
Nanometer touch film especially by touch technology application extension to more frontier.
Along with the multimedia extensive application in life, people's pursuit diversified development especially to visual effect.Existing mesh
Front existing seamless spliced technology is to solve super large width screen-picture imaging to bring people with powerful visual impact.Seamless spliced
The development of technology experienced by hardware splicing, lap splice and soft-sided anastomosing and splicing three phases altogether.Hardware splicing has substantially segmentation
Line (i.e. physics splicing), it is impossible to realize the integration display of panorama；Lap splice refers to that the image by two scialyscopes are launched exists
Mosaic is overlapping in the way of superposition, but this splicing there will naturally be mosaic and overly bright region occurs due to brightness superposition
Disadvantage, has influence on the realization of seamless display effect；The process by edge fusion technology of the soft-sided anastomosing and splicing, had both achieved both sides
Fusion completely, eliminate again the overly bright region that lap splice causes, it is adaptable to the various curve forms such as plane, cylinder, sphere
Splicing, relatively the former two has more wide applicability.
Condenser type nanometer touch film is usually by forming a square between some X-axis and the nm-class conducting wire of some Y-axis
Battle array plane, also referred to as sensing unit.According to capacitance principle, when applying a pumping signal on sensing unit, due to self-capacitance
Existence, by between sensing unit and ground produce one with pumping signal change electric field, can be described as self-capacitance.And each
Two nm-class conducting wires of the electric capacity that the intersection of X-axis and Y-axis is formed again, X-axis and Y-axis are two electricity of electric capacity respectively
Pole, this electric capacity is exactly mutual capacitance.When the sine wave exciting signal that one amplitude of input and phase place on exciting electrode wire are fixed
Time, due to self-capacitance, the existence of mutual capacitance, the nm-class conducting wire of sensing there will be one in amplitude and phase place and pumping signal
The frequency signal relevant with the size of electric capacity.When finger not touch-control to this cross point, then the signal that exciting electrode senses
Amplitude and phase place should be constant.Therefore, the signal frequency sensed by detection exciting electrode is to present sinusoidal wave change
's.When multiple touch control films splice, when exciting signal frequency value between usual film and film is consistent, the resonance of frequency values will be produced
Phenomenon, so that nanometer touch film electromagnetic interference phenomenon occurs in touch experience, makes touch-control malfunctioning.
Summary of the invention
It is an object of the invention to provide a kind of effective seamless spliced time the electromagnetism interference of multiple touch control films automatically examine
Survey method of adjustment.The purpose of the present invention will be achieved by the following technical programs:
A kind of automatic detection and adjustment method of the seamless spliced touch control film of electromagnetism interference, the described touch control film for splicing
Including two or more than two, comprise the steps,
The total quantity step of the touch control film that S1, judgement are spliced, particularly as follows: the touch control film that all of splicing is installed
The signal connecting line of induced signal acquisition controlling surface-mounted integrated circuit is connected in a LAN by calculation control unit, according to calculating
Control unit draws the quantity of spliced touch control film to the distribution address of each touch control film；
S2, judgement interference film step, particularly as follows:
S21, detect each touch control film signal frequency respectively,
S22, that detection has the touch control film of identical exciting signal frequency is the most adjacent,
If having identical exciting signal frequency between adjacent touch control film, the most adjacent touch control film disturbs film each other, if
There is between adjacent touch control film different exciting signal frequency, adjust and automatically terminate；
S3, automatic setting procedure, described calculation control unit adjusts the electric capacity of the public capacitance unit of described interference film
Value, it is ensured that the public capacitance capacitance of the adjacent touch control film adjusted is different, it is to avoid the existence of interference film, adjusts knot the most automatically
Bundle；Otherwise, back within step S2.
Preferably, every described touch control film all includes an induced signal acquisition controlling surface-mounted integrated circuit, and described sensing is believed
Number acquisition controlling surface-mounted integrated circuit has respective public capacitance unit, and described public capacitance unit possesses adjustable capacitance capacitance
Assembly, the exciting signal frequency of described touch control film is by electric capacity present on the nm-class conducting wire of touch control film and public capacitance unit altogether
With determining.
Preferably, the nm-class conducting wire surface, inside of described touch control film is provided with anti-electromagnetic interference coating.
Preferably, the inside nm-class conducting wire arrangement edge of described touch control film carries out sparse process to wiring.
It is a further object of the present invention to provide the application system of the seamless spliced touch control film of a kind of electromagnetism interference.
A kind of application system of the seamless spliced touch control film of electromagnetism interference, including two or more than two there is anti-electricity
The touch control film of magnetic disturbance automatic detection and adjustment function, imaging display apparatus, and be connected with touch control film, imaging display apparatus electric wire
Calculation control unit.
Preferably, described imaging display apparatus is flexible imaging panel or projection imaging device, spells for multiple pictures
Connect display or an overall picture shows.
Preferably, described seamless spliced after touch control film be plane or curved surface that radian is 0 ~ 180 degree or sphere.
Preferably, described calculation control unit is for identifying having data storage and processing of described touch control film position
And can the middle control unit of transmission of video information, with the transmission port of accessible multiple touch control film interfaces, can be controlled multiple simultaneously
The automatic detection and adjustment of touch control film or individually one touch control film of control.
The invention have the advantages that the anti-interference automatic adjusting method proposing a kind of adjacent touch film, become
Merit solves the electromagnetic interference problem that touch control film produces when seamless (the most closely) splices so that two or more than two
Nanometer touch film can realize seamless (closely) splicing, opens more application for touch control film.
Accompanying drawing explanation
Fig. 1 is the flow chart of the electromagnetism interference automatic detection and adjustment of the present invention；
Fig. 2 is the exciting signal frequency schematic diagram during the electromagnetism interference automatic detection and adjustment of the present invention；
Fig. 3 is the schematic diagram of the embodiment 1 that the present invention applies；
Fig. 4 is the Another Application schematic diagram of the embodiment 1 that the present invention applies；
Fig. 5 is the schematic diagram of the embodiment 2 that the present invention applies.
Detailed description of the invention
The induced signal frequency that rationale here is that by changing multiple nanometer touch films of the present invention so that exciting electrode with
Charging-discharging cycle between induction pole is inconsistent, i.e. capacitance is inconsistent, is finally reached multiple nanometer touch films detection excitation letter
Number amplitude inconsistent, be i.e. not up to resonance effect, thus realize nanometer touch film seamless spliced time electromagnetism interference.
With reference to shown in Fig. 1, the flow process of the electromagnetism interference automatic detection and adjustment of the present invention is as follows:
The total quantity step of the touch control film that S1, judgement are spliced, particularly as follows: the touch control film that all of splicing is installed
The signal connecting line of induced signal acquisition controlling surface-mounted integrated circuit is connected in a LAN by calculation control unit, according to calculating
Control unit draws the quantity of spliced touch control film to the distribution address of each touch control film；
S2, judgement interference film step, particularly as follows:
S21, detect each touch control film signal frequency respectively,
S22, that detection has the touch control film of identical exciting signal frequency is the most adjacent,
If having identical exciting signal frequency between adjacent touch control film, the most adjacent touch control film disturbs film each other, if
There is between adjacent touch control film different exciting signal frequency, adjust and automatically terminate；
S3, automatic setting procedure, described calculation control unit adjusts the electric capacity of the public capacitance unit of described interference film
Value, it is ensured that the public capacitance capacitance of the adjacent touch control film adjusted is different, it is to avoid the existence of interference film, adjusts knot the most automatically
Bundle；Otherwise, back within step S2.
Specifically, every described touch control film all includes an induced signal acquisition controlling surface-mounted integrated circuit, described sensing
Signals collecting controls surface-mounted integrated circuit and has respective public capacitance unit, and described public capacitance unit possesses adjustable capacitance to be held
The assembly of value, the exciting signal frequency of described touch control film is by electric capacity present on the nm-class conducting wire of touch control film and public capacitance unit
Together decide on.Such as: according to rc oscillating circuit frequency computing formula f=1/2 π RC, wherein, f is the pumping signal frequency of touch control film
Rate, R is the inside nm-class conducting wire combined resistance with induced signal acquisition controlling surface-mounted integrated circuit circuit of touch control film, and C is nanometer
Wire and the combination capacitor of public capacitance unit.As in figure 2 it is shown, when R is constant, adjust the public capacitance C1=1 of two interference films
μ F, C2=2 μ F, owing to the induced signal frequency of touch control film is by electric capacity present on the nm-class conducting wire of touch control film and public capacitance list
Unit together decides on, and therefore detects that the wavelength of the exciting signal frequency of film changes, then the pumping signal frequency of two touch control films
Rate is the most different, is thus not up to resonance effect, thus realize nanometer touch film seamless spliced time electromagnetism interference.This
Sample, induced signal frequency phase-difference is the biggest, and interference effect will be the least.
Present invention further teaches the application system concentrating the touch control film with electromagnetism interference automatic detection and adjustment function.
Application Example 1, as shown in Figure 3, Figure 4, including four touch control film 1(1 that can closely splice), 1(2), 1(3),
1(4), described touch control film 1(1), 1(2), 1(3), 1(4) be the touch control film possessing and can automatically adjusting interference detection technique, described touch
Control film 1(1), 1(2), 1(3), 1(4) whipping at be induced signal acquisition controlling surface-mounted integrated circuit, described induced signal collection
Controlling that surface-mounted integrated circuit is provided with can the public capacitance unit with different capacitances of automatic detection and adjustment.One imaging display is single
Unit, described imaging display unit be four one overall pictures of display single, sliceable flexible liquid crystal panel 2(1), 2
(2), 2(3), 2(4), can be plane or curved surface that radian is 0 ~ 180 degree or sphere.One calculation control unit 3, described calculating
Control unit 3 be with multiple touch control film 1(1), 1(2), 1(3), 1(4) interface that is connected, or believed by local area network wireless
Connect number respectively touch control film 1(1), 1(2), 1(3), 1(4) middle control unit, the automatic tune of interference film detection technique is installed simultaneously
Whole software, is uniformly controlled touch control film 1(1), 1(2), 1(3), 1(4).
Automatic detection and adjustment flow process is: by calculation control unit 3 and touch control film 1(1), 1(2), 1(3), 1(4) signal is even
Connect detection splicing film 1(1), 1(2), 1(3), 1(4) number, according to detection touch control film 1(1), 1(2), 1(3), 1(4) excitation
Signal frequency determines whether to disturb the existence of film, if there is not interference, automatically adjusting and terminating；If judging adjacent touch control film
Each other during interference film, algorithm Automatic Optimal adjust the capacitance of the public capacitance unit of interference film, it is ensured that adjusted is adjacent
The touch control film public capacitance capacitance connect is different, then automatically adjust and terminate, otherwise, detection exciting signal frequency judges interference film again
Exist.
Embodiment 2, is as it is shown in figure 5, different from embodiment 1: include four touch control film 1(1 that can closely splice),
1(2), 1(3), 1(4), at its whipping induced signal acquisition controlling surface-mounted integrated circuit respectively with calculation control unit 3(1), 3(2),
3(3), 3(4) it is connected by wired or wireless mode；One imaging display unit, described imaging display unit be four individually,
The flexible liquid crystal panel 2(1 of the independent picture of sliceable display), 2(2), 2(3), 2(4).
Automatic detection and adjustment flow process is: under a LAN environment, by calculation control unit 3(1), 3(2), 3(3),
3(4) with touch control film 1(1), 1(2), 1(3), 1(4) signal is connected, setup algorithm control unit 3(1), 3(2), 3(3), 3(4) its
In one be middle control main frame, or utilize outside calculation control unit 3(5) be middle control main frame, carry out touch control film 1(1), 1(2), 1
(3), 1(4) automatic detection and adjustment.
The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and all technical sides of being formed
Case, within all falling within protection scope of the present invention.
Claims (8)
1. an automatic detection and adjustment method for the seamless spliced touch control film of electromagnetism interference, the described touch control film bag for splicing
Include two or more than two, it is characterised in that: comprise the steps,
The total quantity step of the touch control film that S1, judgement are spliced, particularly as follows: the sensing of the touch control film that all of splicing is installed
Signals collecting is controlled the signal connecting line of surface-mounted integrated circuit and is connected in a LAN by calculation control unit, according to calculating control
Unit draws the quantity of spliced touch control film to the distribution address of each touch control film；
S2, judgement interference film step, particularly as follows:
S21, detect each touch control film signal frequency respectively,
S22, that detection has the touch control film of identical exciting signal frequency is the most adjacent,
If having identical exciting signal frequency between adjacent touch control film, the most adjacent touch control film disturbs film each other, if adjacent
Touch control film between there is different exciting signal frequency, adjust and automatically terminate；
S3, automatic setting procedure, described calculation control unit adjusts the capacitance of the public capacitance unit of described interference film, really
The common electrical capacitance protecting the adjacent touch control film adjusted is different, it is to avoid the existence of interference film, then automatically adjust and terminate；Instead
It, back within step S2.
The automatic detection and adjustment method of the seamless spliced touch control film of electromagnetism interference the most according to claim 1, its feature
It is: every described touch control film all includes an induced signal acquisition controlling surface-mounted integrated circuit, described induced signal acquisition controlling
Surface-mounted integrated circuit has respective public capacitance unit, and described public capacitance unit possesses the assembly of adjustable capacitance capacitance, institute
The exciting signal frequency stating touch control film is together decided on public capacitance unit by electric capacity present on the nm-class conducting wire of touch control film.
The automatic detection and adjustment method of the seamless spliced touch control film of electromagnetism interference the most according to claim 2, its feature
It is: the nm-class conducting wire surface, inside of described touch control film is provided with anti-electromagnetic interference coating.
The automatic detection and adjustment method of the seamless spliced touch control film of electromagnetism interference the most according to claim 2, its feature
It is: the inside nm-class conducting wire arrangement edge of described touch control film carries out sparse process to wiring.
5. the application system of the seamless spliced touch control film of an electromagnetism interference, it is characterised in that: include two or more than two
The arbitrary described touch control film with electromagnetism interference automatic detection and adjustment function of claim 1-4, imaging display apparatus, with
And the calculation control unit being connected with touch control film, imaging display apparatus electric wire.
The application system of the seamless spliced touch control film of electromagnetism interference the most according to claim 5, it is characterised in that: described
Imaging display apparatus is flexible imaging panel or projection imaging device, shows for multiple picture splicings or an overall picture
Display.
7. according to the application system of the seamless spliced touch control film of the electromagnetism interference described in claim 5 or 6, it is characterised in that:
Described seamless spliced after touch control film be plane or curved surface that radian is 0 ~ 180 degree or sphere.
8. according to the application system of the seamless spliced touch control film of the electromagnetism interference described in claim 5 or 6, it is characterised in that:
Described calculation control unit is for identifying having that data store and process and can transmitting video letter of described touch control film position
The middle control unit of breath, with the transmission port of accessible multiple touch control film interfaces, can control multiple touch control films simultaneously or individually control
The automatic detection and adjustment of one touch control film of system.
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| CN201310288264.7A CN103399676B (en) | 2013-07-10 | 2013-07-10 | The automatic detection and adjustment method of the seamless spliced touch control film of electromagnetism interference and application system |
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| CN108205387A (en) * | 2016-12-19 | 2018-06-26 | 镇江华锐科技信息有限公司 | A kind of intelligent tutoring nanometer touch film |
| TWI707261B (en) * | 2019-08-06 | 2020-10-11 | 聯陽半導體股份有限公司 | Touch system control method for reducing electromagnetic interference and touch system thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169388A (en) * | 2011-04-02 | 2011-08-31 | 苏州泛普纳米科技有限公司 | Curve screen based on nanometer touch-control membrane technique and manufacturing method thereof |
| CN102789336A (en) * | 2012-07-04 | 2012-11-21 | 广东威创视讯科技股份有限公司 | Multi-screen splicing touch control method and system |
| KR20130024099A (en) * | 2011-08-30 | 2013-03-08 | 이터보터치 테크날로지 인코퍼레이티드 | Seamless capacitive touch panel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169388A (en) * | 2011-04-02 | 2011-08-31 | 苏州泛普纳米科技有限公司 | Curve screen based on nanometer touch-control membrane technique and manufacturing method thereof |
| KR20130024099A (en) * | 2011-08-30 | 2013-03-08 | 이터보터치 테크날로지 인코퍼레이티드 | Seamless capacitive touch panel |
| CN102789336A (en) * | 2012-07-04 | 2012-11-21 | 广东威创视讯科技股份有限公司 | Multi-screen splicing touch control method and system |
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