CN105426147B - A kind of splicing display device and control method - Google Patents
A kind of splicing display device and control method Download PDFInfo
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- CN105426147B CN105426147B CN201510754584.6A CN201510754584A CN105426147B CN 105426147 B CN105426147 B CN 105426147B CN 201510754584 A CN201510754584 A CN 201510754584A CN 105426147 B CN105426147 B CN 105426147B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Controls And Circuits For Display Device (AREA)
- User Interface Of Digital Computer (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of splicing display device and control method, the system comprises: spliced display wall for displaying images；For emitting and receiving the infrared touch frame of infrared signal, the surrounding of the spliced display wall is arranged in the infrared touch frame；Multiple display screens for controlling spliced display wall carry out tiled display or release the splicing controller of tiled display；For generating the laser pen of laser beam, the laser beam blocks infrared ray when stroke so that the intensity for the infrared signal that infrared touch frame receives changes in the infrared touch frame；The host MCU of control instruction is generated for the variation according to the intensity of infrared signal received.Infrared touch frame by being mounted on the surrounding of spliced display wall by the present invention, it is controlled using the tiled display that laser pen realizes spliced display wall, PC serial ports is not used to be controlled, without the program for installing complexity on computers, simplify display control program, it is easy to operate, it provides users with the convenient.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of splicing display device and control methods.
Background technique
Large-screen splicing display control unit is spliced and combined by multiple mosaic display screens, as single after splicing
Display is chiefly used in safety monitoring, large-scale activity or classroom instruction using that can also show content respectively.Existing spliced display wall
It is essentially all to carry out operating software using the mouse of PC to do various functions in system controlling software operation.But with touch screen
The rise of calculating equipment, the control software of existing tiled display wall system, spliced display wall system controlling software signal
It opens, mobile scaling and closing work account for 90% or more of spliced display wall system software controls execution substantially, existing software
The operation that interface executes similar signal window on the touchscreen needs multiple point touching to execute, and especially window needs to open ideal bit
Set the operation with size, poor operation convenience, and also it is complicated for operation, and need in PC installation special tool.
Therefore, the prior art has much room for improvement and improves.
Summary of the invention
In view of the deficiencies in the prior art, it is an object of that present invention to provide a kind of splicing display device and control methods, it is intended to
It solves spliced display wall display in the prior art and needs installation special tool on computers, when having splicing and releasing splicing, operation
Trouble, is unfavorable for the defect that user uses.
Technical scheme is as follows:
A kind of splicing display device, wherein device includes:
Spliced display wall for displaying images；
For emitting and receiving the infrared touch frame of infrared signal, the infrared touch frame is arranged in the spliced display wall
Surrounding；
Multiple display screens for controlling spliced display wall carry out tiled display or release the splicing controller of tiled display；
For generating the laser pen of laser beam, the laser beam blocked when stroke in the infrared touch frame infrared ray with
The intensity for the infrared signal for receiving infrared touch frame changes；
The host MCU of control instruction is generated for the variation according to the intensity of infrared signal received；
Wherein the spliced display wall is connected with the splicing controller, the infrared touch frame respectively, the host MCU
It is connected respectively with the infrared touch frame, the spliced display wall.
The splicing display device, wherein several display screens are provided on the spliced display wall, after each display screen
A corresponding display controller is provided with to connect after every display controller serial ports interconnects with the splicing controller,
The abscissa of the coordinate value of coordinate points on each display screen of spliced display wall on vertical central axis is correspondingly arranged as display screen
ID。
The splicing display device, wherein the infrared touch frame is connect by USB plug with the host MCU, infrared
The variation respective coordinates change point of the intensity of the infrared signal received is sent to the host MCU by touching box.
The splicing display device, wherein the infrared touch frame is a square box, is in the left side of square box and upside
Infrared launcher is infrared receiving device on the right side of square box and downside.
When infrared receiving device detects that the infrared intensity of the corresponding coordinate points of several display screen ID changes, successively obtain
The coordinate point value of access variation；Several coordinate point values are sequentially output to host MCU by USB interface；Host MCU identification is earliest
Received coordinate point value, obtain with the infrared intensity corresponding display screen ID in changed position earliest, and by display screen ID
And it is sent to splicing controller；Splicing controller controls corresponding display screen and is spliced or released concatenation.
Splicing display device described in any of the above-described, wherein the laser pen uses green laser pen.
A kind of control method for splicing display device described in any of the above embodiments, wherein method includes:
A, the ID of several display screens and storage on spliced display wall are preset；
B, the laser beam stroke in the infrared touch frame generated with laser pen；
C, it when infrared touching box detects that the intensity of received infrared signal changes, obtains strong with infrared signal
The degree corresponding display screen ID in changed position earliest, splicing controller control the corresponding display screen of the display screen ID into
Row splicing releases concatenation.
The control method of the splicing display device, wherein the step A is specifically included:
A1, in advance the coordinate value of the coordinate points on display screen each on spliced display wall on vertical central axis is set as showing
The ID of screen.
The tiled display control method based on laser pen and infrared touch frame, wherein the step C is specifically included:
C1, detect that the intensity of the infrared signal of the corresponding coordinate points of several display screen ID changes when infrared touching box
When, successively obtain the coordinate point value of several variations；
C2, infrared touch frame are sequentially output several coordinate point values to host MCU by USB interface；
C3, host MCU identify received coordinate point value earliest, obtain and the intensity of infrared signal changed position earliest
Corresponding display screen ID is set, and by display screen ID and is sent to splicing controller；
C4, splicing controller control corresponding display screen and are spliced or released concatenation.
The control method of the splicing display device, wherein the step B is specifically included:
B1, laser pen laser beam needing the display screen that operates to vertically move close to a left side for the display screen for needing to operate
It holds or moves horizontally close to the top for the display screen for needing to operate.
The control method of splicing display device described in any of the above-described, wherein the laser pen uses green laser pen.
The utility model has the advantages that the present invention is realized by the way that infrared touch frame to be mounted on to the surrounding of spliced display wall using laser pen
The tiled display control of spliced display wall, does not use PC serial ports and is controlled, without installing complicated journey on computers
Sequence simplifies display control program, easy to operate, provides users with the convenient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the preferred embodiment of splicing display device of the invention of the invention.
Fig. 2 is a kind of flow chart of the preferred embodiment of the control method of splicing display device of the invention.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, below to the present invention further specifically
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of structural schematic diagrams of the preferred embodiment of splicing display device, in the present invention with 2X3
Spliced display wall for illustrate tiled display control device.As shown in Figure 1, described device includes:
Spliced display wall 100 for displaying images；
For emitting and receiving the infrared touch frame 200 of infrared signal, the infrared touch frame setting is aobvious in the splicing
Show the surrounding 100 of wall；
Multiple display screens for controlling spliced display wall carry out tiled display or release the splicing controller of tiled display
300；
For generating the laser pen 500 of laser beam, the laser beam blocks red in the infrared touch frame 200 when stroke
Outside line is so that the intensity for the infrared signal that infrared touch frame receives changes；
The host MCU 400 of control instruction is generated for the variation according to the intensity of infrared signal received；
Wherein the spliced display wall 100 is connected with the splicing controller 300, the infrared touch frame 200 respectively, institute
Host MCU400 is stated to be connected with the infrared touch frame 200, the spliced display wall 300 respectively.Wherein splicing controller 300
Video input interface includes but is not limited to DVI(Digital Visual Interface, digital visual interface), VGA(Video
Graphics Array, Video Graphics Array), CVBS(Composite Video Broadcast Signal, composite video is wide
Broadcast signal), HDMI(High Definition Multimedia Interface, high-definition multimedia interface) etc. a variety of views
Frequency input format interface.The output of splicing controller 300, which is used, to be connected by DVI signaling interface with spliced display wall 100, is passed through
DVI signaling interface inputs spliced display wall 100 and controls signal.
Infrared system output signal disappears and recovery time is related with laser irradiation, power and time.It is any nontransparent
Object can change the infrared ray parameter in touching box coordinate points, and realize to touch screen operation.
As shown in Figure 1, presetting the ID of every machine, which is the position where the display screen of each apparatus control.
As shown in Figure 1, each coordinate points of A, B, C, D, E, F on spliced display wall 100, are distributed on every piece of screen vertical central axis, coordinate value
Respectively represent every piece of position screen ID.The corresponding display screen of each coordinate points of A, B, C, D, E, F can be denoted as 1 by we respectively, 2,3,
4,5,6.I.e. the corresponding machine ID of display screen 1, that is, A coordinate points, the position of display screen 1 are also the corresponding coordinate values of A coordinate points.
When it is implemented, being provided with several display screens on the spliced display wall, one is provided with after each display screen
Corresponding display controller is connect, spliced display wall after every display controller serial ports interconnects with the splicing controller
Each display screen on the abscissas of coordinate value of coordinate points on vertical central axis be correspondingly arranged the ID for display screen.Such as Fig. 1 institute
Show, 6 display screens are provided on spliced display wall, and corresponding each display screen is by the display control of a control display screen job
Device.6 display controllers are connected by RJ45, and RJ45 is the one of telecommunications outlet in wiring system (i.e. communication exit) connector
Kind, connector is made of plug (connector, crystal head) and socket (module).RJ is the abbreviation of Registered Jack, Chinese meaning
Think to be " socket of registration ".
Further, the infrared touch frame is connect by USB plug with the host MCU, and infrared touch frame will receive
To the variation respective coordinates change point of intensity of infrared signal be sent to the host MCU.Specifically, times of spliced display wall
Display controller of anticipating is to interconnect.Therefore the output of infrared touch frame can be connected any one by USB plug and be shown
Show controller, before controller can by the transmission mode of RX/TX by the output respective coordinates of infrared touch frame change into
Row transmission, until sending data to splicing controller.
The infrared touch frame is a square box, is infrared launcher in the left side of square box and upside, in square box
Right side and downside be infrared receiving device.Infrared receiving device detects the infrared strong of the corresponding coordinate points of several display screen ID
When degree changes, the coordinate point value of several variations is successively obtained；Several coordinate point values are sequentially output to host by USB interface
MCU；Host MCU identifies received coordinate point value earliest, and changed position is corresponding aobvious earliest with infrared intensity for acquisition
Display screen ID, and by display screen ID and it is sent to splicing controller；Splicing controller controls corresponding display screen and is spliced or solved
Except concatenation.
As shown in Figure 1, the left side of infrared touch frame is provided with this 6 infrared emissions of D1a, D2a, D3a, D4a, D5a, D6a
Device, D1b, D2b, D3b, D4b, D5b, D6b6 infrared receiving devices of the corresponding setting in right side, and the upside of infrared touch frame
Provided with D7a, D8a, D9a, totally 3 infrared launchers, downside have been correspondingly arranged D7b, D8b, D9b totally 3 infrared receiver dresses
It sets.It is red received by the corresponding coordinate points of display screen on 9 infrared receiving device real-time detection spliced display walls in figure
Outer luminous intensity, when blocking there is no foreign matter, the infrared luminous intensity that infrared receiving device detects is constant, but detects and work as
Before the infrared luminous intensity that receives change, then obtain the data of the changed coordinate points of infrared luminous intensity, and send
The operation of next step is carried out to host MCU.
Specifically, because green laser is convenient for eye recognition irradiation position, and it is not dazzling, it is not easy to fatigue, therefore laser
Pen uses green laser pen.And in order to which there is enough influences on infrared ray, the power of green laser pen cannot be too small, it is ensured that
Laser column is high-visible.Therefore the best irradiation distance of laser pen is 10M, and the power bracket of laser pen is 200-250mw or so,
Spot diameter is preferably 12mm.
In the embodiment of the present invention, user needs to carry out the display screen 1 under independent display state into concatenation, figure
Arrow in 1 is the moving direction of laser pen.
Laser column is radiated at certain coordinate points (if figure is D point) locating upper left corner shielded with green laser pen, vertical past
Lower movement, speed should not be too fast (from one piece of screen upper left side to uniform movement speed 3-4 seconds of lower left).In this way in tiled display
D, E, F coordinate points infra-red intensity on wall can change, and infrared receiver end can successively sense the coordinate of 3 variations
Point, and 3 coordinate point datas are exported by USB interface and give host MCU.It similarly can also be mobile in every piece of screen upper lateral.
Main engine bed MCU receives 3 different coordinate points delta datas, only identifies to first data, confirmation first
The ID of a variation coordinate points (D point) gives next machine in output TX/RX (transmission and receiving unit) by decoding coding, under
One machine input TX/RX is decoded to MCU finally arrives splicing controller in output TX/RX, realizes concatenation by agreement,
It is primary in operation by this under splicing state, so that it may to release splicing (single aobvious mode).
Other points (A, B, C point) splicing control mode can operate in a similar manner and (only identify first delta data),
The other function of splicing controller is for example scaled etc. and can also be realized with this system.
On the basis of the above system embodiment, the present invention also provides the control method of splicing display device a kind of compared with
The flow chart of good embodiment, as shown in Figure 2, which comprises
Step S100, the ID of several display screens and storage on spliced display wall are preset.
Step S200, the laser beam stroke in the infrared touch frame generated with laser pen.
Further, laser pen uses green laser pen.Therefore the best irradiation distance of laser pen is 10M, laser pen
Power bracket is 200-250mw or so, and spot diameter is preferably 12mm.Specifically as described in above-mentioned apparatus.Wherein certain speed is
When referring to that laser pen moves vertically to following from above from one piece of display screen, 3-4 seconds time, prevents the mobile speed of laser pen speed
Spend fast, infrared receiving device is simultaneously not detected infrared intensity and changes.
Step S300, when infrared touching box detects that the intensity of received infrared signal changes, obtain with it is infrared
The corresponding display screen ID in changed position, the splicing controller control display screen ID are corresponding earliest for the intensity of signal
Display screen is spliced or is released concatenation.
Specifically, the step S100 is specifically included:
Step S10, the coordinate value of the coordinate points on display screen each on spliced display wall on vertical central axis is arranged in advance
For the ID of display screen.
In further embodiment, the step S300 is specifically included:
Step S301, when infrared touching box detects the intensity hair of the infrared signal of the corresponding coordinate points of several display screen ID
When changing, infrared receiving device successively obtains the coordinate point value of several variations；
Step S302, infrared touch frame is sequentially output several coordinate point values to host MCU by USB interface；
Step S303, host MCU identifies received coordinate point value earliest, obtains and becomes earliest with the intensity of infrared signal
The corresponding display screen ID in the position of change, and by display screen ID and it is sent to splicing controller；
Step S304, the corresponding display screen of splicing controller control is spliced or is released concatenation.
Specifically, the step S200 is specifically included:
Step S201, the laser beam of laser pen is needing the display screen operated to vertically move close to the display screen for needing to operate
Left end or move horizontally close to the top of display screen for needing to operate.
When it is implemented, with green laser pen, (green laser is convenient for eye recognition irradiation position, and not dazzling, unsuitable
Fatigue) laser column is radiated to upper left corner of certain coordinate points (if figure is D point) locating screen, it is vertically moving down, speed should not
It is too fast (from one piece of screen upper left side to uniform movement speed 3-4 second of lower left) as shown in Figure 1.In this way on spliced display wall
D, E, F coordinate points infra-red intensity can change, and infrared receiver end can successively sense the coordinate points of 3 variations, and lead to
It crosses USB interface and exports 3 coordinate point datas and give host MCU.
By above method embodiment it is found that the present invention provides a kind of control method of splicing display device, it is utilized every
The uniqueness and touching box infrared induction technology of the ID of platform machine, is mounted on spliced display wall surrounding for infrared touch frame, leads to
The laser column for crossing green laser pen is moved up and down in the left end of a display screen to change the strong and weak ginseng of certain coordinate points infrared ray
Number (at most has 3 coordinate points that can change) simultaneously, senses this variation at infrared receiver end, and then infrared touch frame exports
This infrared intensity signal intensity point coordinate data (being sequentially output 3 change point coordinates), board MCU identify these data validations
First variation coordinate points ID, finally by the serial port protocol (TX/RX communication) of board MCU and controller, controller confirmation behaviour
Make intensity change point (first variation coordinate points ID) board (splicing or releasing splicing) of infrared signal.It is communicated using TX/RX
Next machine is passed to until controller, controller application serial port protocol realizes the control to spliced display wall, completes splicing
Show wall tiled display.
In conclusion described device includes: for showing the present invention provides a kind of splicing display device and control method
The spliced display wall of image；For emitting and receiving the infrared touch frame of infrared signal, the infrared touch frame is arranged described
The surrounding of spliced display wall；Multiple display screens for controlling spliced display wall carry out tiled display or release the spelling of tiled display
Connect controller；For generating the laser pen of laser beam, the laser beam blocks infrared ray when stroke in the infrared touch frame
So that the intensity for the infrared signal that infrared touch frame receives changes；For according to the intensity of infrared signal received
Variation generates the host MCU of control instruction；Wherein the spliced display wall respectively with the splicing controller, the infrared touch
Frame is connected, and the host MCU is connected with the infrared touch frame, the spliced display wall respectively.The present invention is by by infrared touching
The surrounding that frame is mounted on spliced display wall is touched, is controlled, is not used using the tiled display that laser pen realizes spliced display wall
PC serial ports is controlled, and without complicated program is installed on computers, simplifies display control program, easy to operate, for
Family provides convenience.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of splicing display device characterized by comprising
Spliced display wall for displaying images；Preset the ID of several display screens and storage on spliced display wall；
For emitting and receiving the infrared touch frame of infrared signal, the infrared touch frame is arranged in the four of the spliced display wall
Week；
Multiple display screens for controlling spliced display wall carry out tiled display or release the splicing controller of tiled display；
For generating the laser pen of laser beam, the laser beam blocks infrared ray so that red when stroke in the infrared touch frame
The intensity for the infrared signal that outer touching box receives changes；When infrared touching box detects the intensity of received infrared signal
When changing, obtain and the intensity of the infrared signal corresponding display screen ID in changed position earliest, splicing controller
It controls the corresponding display screen of the display screen ID and is spliced or released concatenation；
The host MCU of control instruction is generated for the variation according to the intensity of infrared signal received；
Wherein the spliced display wall is connected with the splicing controller, the infrared touch frame respectively, the host MCU difference
It is connected with the infrared touch frame, the spliced display wall.
2. splicing display device according to claim 1, which is characterized in that it is aobvious to be provided with several on the spliced display wall
Display screen is provided with a corresponding display controller after each display screen, after every display controller serial ports interconnects, with institute
State splicing controller connection, the abscissa pair of the coordinate value of the coordinate points on each display screen of spliced display wall on vertical central axis
It should be set as the ID of display screen.
3. splicing display device according to claim 2, which is characterized in that the infrared touch frame passes through USB plug and institute
Host MCU connection is stated, the variation respective coordinates change point of the intensity of the infrared signal received is sent to institute by infrared touch frame
State host MCU.
4. splicing display device according to claim 3, which is characterized in that the infrared touch frame is a square box, in side
The left side and upside of shape frame are infrared launcher, are infrared receiving device on the right side of square box and downside；Infrared receiver dress
It sets when detecting that the infrared intensity of the corresponding coordinate points of several display screen ID changes, successively obtains the coordinate points of several variations
Value；Several coordinate point values are sequentially output to host MCU by USB interface；Host MCU identifies received coordinate point value earliest, obtains
Take with the infrared intensity corresponding display screen ID in changed position earliest, and by display screen ID and be sent to splicing control
Device；Splicing controller controls corresponding display screen and is spliced or released concatenation.
5. any one of -4 splicing display device according to claim 1, which is characterized in that the laser pen uses green laser
Pen.
6. a kind of control method for splicing display device such as described in any one of claim 1 to 5, which is characterized in that side
Method includes:
A, the ID of several display screens and storage on spliced display wall are preset；
B, the laser beam stroke in the infrared touch frame generated with laser pen；
C, it when infrared touching box detects that the intensity of received infrared signal changes, obtains with the intensity of infrared signal most
The early corresponding display screen ID in changed position, splicing controller control the corresponding display screen of the display screen ID and are spelled
Connect or release concatenation.
7. the control method of splicing display device according to claim 6, which is characterized in that the step A is specifically included:
A1, by the coordinate value of the coordinate points on display screen each on spliced display wall on vertical central axis display screen is set in advance
ID。
8. the control method of splicing display device according to claim 7, which is characterized in that the step C is specifically included:
C1, when infrared touching box detects that the intensity of the infrared signal of the corresponding coordinate points of several display screen ID changes,
Successively obtain the coordinate point value of several variations；
C2, infrared touch frame are sequentially output several coordinate point values to host MCU by USB interface；
C3, host MCU identify received coordinate point value earliest, obtain and the intensity of infrared signal changed position phase earliest
Corresponding display screen ID, and by display screen ID and it is sent to splicing controller；
C4, splicing controller control corresponding display screen and are spliced or released concatenation.
9. the control method of splicing display device according to claim 8, which is characterized in that the step B is specifically included:
B1, laser pen laser beam need the display screen that operates vertically move close to the display screen for needing to operate left end or
It moves horizontally close to the top for the display screen for needing to operate.
10. according to the control method of any one of the claim 6-9 splicing display device, which is characterized in that the laser pen
Using green laser pen.
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| CN106227628B (en) * | 2016-07-25 | 2019-06-28 | 青岛海信电器股份有限公司 | A kind of test method and device of mosaic screen |
| CN106484196A (en) * | 2016-10-13 | 2017-03-08 | 广州视睿电子科技有限公司 | Touch detection method and device based on infrared light |
| CN111857391A (en) * | 2019-04-25 | 2020-10-30 | 上海宽祥电子科技有限公司 | Touch screen splicing system capable of being freely configured and control method |
| TWI731691B (en) * | 2020-05-21 | 2021-06-21 | 緯創資通股份有限公司 | Light-emitting diode system and module |
| CN212380069U (en) * | 2020-06-22 | 2021-01-19 | 重庆康佳光电技术研究院有限公司 | Splicing display device |
| CN111857633A (en) * | 2020-07-30 | 2020-10-30 | 京东方科技集团股份有限公司 | Display unit and spliced screen |
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| CN104898900A (en) * | 2015-06-25 | 2015-09-09 | 广州华欣电子科技有限公司 | Infrared touch frame scanning method and infrared touch frame |
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