CN113658545A - Interactive induction system and method for LED floor tile screen - Google Patents
Interactive induction system and method for LED floor tile screen Download PDFInfo
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- CN113658545A CN113658545A CN202110956630.6A CN202110956630A CN113658545A CN 113658545 A CN113658545 A CN 113658545A CN 202110956630 A CN202110956630 A CN 202110956630A CN 113658545 A CN113658545 A CN 113658545A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The invention relates to an interactive induction system and method of an LED floor tile screen, wherein the system comprises: the peripheral device, the control device and the display device are in data connection in sequence; the control device includes: a transmitting card disposed in the video processor; the peripheral device is a notebook computer or a computer; the display device is an LED floor tile screen; the LED floor tile screen is composed of a plurality of box bodies; each box body comprises a plurality of modules and receiving cards which correspond to the modules and are in data connection with the control device; each module includes from top to bottom in proper order: the PC mask is used for protecting the display induction plate, the display induction plate and the bottom shell; a waterproof rubber ring is arranged on the contact surface of the bottom shell and the box body; the display induction plate comprises an induction module and a plurality of LED lamps, wherein the induction module is used for judging whether the LED rotary screen is contacted by an external object or not in an infrared induction and/or laser induction mode, and the LED lamps are used for displaying images according to image signals sent by the control device.
Description
Technical Field
The invention relates to the technical field of LED display screen interactive induction, in particular to an interactive induction system and method of an LED floor tile screen.
Background
With the further expansion of the LED full-color display screen application market, the LED full-color display screen is applied to occasions such as conference rooms, multimedia classrooms, stage performances, radio and studio rooms, exhibition activities and the like; the requirements of the floor tile screen are more and more extensive for occasions related to performance and ground display, the huge effect of the LED floor tile screen in stage performance is exerted, live broadcast is carried out, a wonderful scene, slow motion playback, close-up shot, special background environment construction and the like are brought to people with an on-the-spot audiovisual feast.
With the rapid development of touch technology in recent years, an LED interactive floor tile screen capable of interacting with people appears, and a novel and interesting interactive experience mode is favored by experiencers. The LED interactive floor tile screen is realized by the principle that pressure sensors, capacitive sensors, infrared sensors and the like are arranged on the floor tiles, when a person interacts with the floor tile screen, the sensors sense the position of the person and feed triggering information back to a main controller, and then the main controller outputs corresponding display effect after logical judgment. The existing LED interactive floor tile screen has the problems of single induction mode, low induction sensitivity, easy interference of induction signals, easy false triggering and the like.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides an interactive sensing system and method for an LED floor tile screen, which solves the technical problems of single sensing mode and low sensing sensitivity.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
in a first aspect, an embodiment of the present invention provides an interactive sensing system for an LED floor tile screen, including:
the peripheral device, the control device and the display device are in data connection in sequence;
the control device includes: a transmitting card disposed in the video processor;
the peripheral device is a notebook computer or a computer;
the display device is an LED floor tile screen;
the LED floor tile screen is composed of a plurality of box bodies;
each box body comprises a plurality of modules and receiving cards which correspond to the modules and are in data connection with the control device;
wherein, each module from the top down includes in proper order: the PC mask is used for protecting the display induction plate, the display induction plate and the bottom shell; a waterproof rubber ring is arranged on the contact surface of the bottom shell and the box body;
the display induction plate comprises an induction module and a plurality of LED lamps, wherein the induction module is used for judging whether the LED rotary screen is contacted by an external object or not in an infrared induction and/or laser induction mode, and the LED lamps are used for displaying images according to image signals sent by the control device.
Preferably, the first and second liquid crystal materials are,
the sensing module includes: the infrared sensing device and the laser sensing device;
the infrared induction device comprises an infrared emission device for emitting infrared rays vertical to the LED floor tile screen and an infrared receiving device for receiving the reflected infrared rays;
the laser sensing device comprises a laser emitting device and a laser receiving device, wherein the laser emitting device is used for emitting laser vertical to the LED floor tile screen, and the laser receiving device is used for receiving the reflected laser within a preset distance range;
the infrared sensing device judges whether the LED rotary screen is contacted by an external object in an infrared sensing mode to obtain a first judgment result;
the laser induction device adopts a laser induction mode to judge whether the LED floor tile screen is contacted by an external object or not, and a second judgment result is obtained.
Preferably, the first and second liquid crystal materials are,
the infrared induction device adopts the infrared induction mode to judge on the LED ceramic tile screen with whether the region that the infrared induction device corresponds receives the contact of outside object, obtains first judged result, specifically includes:
after an infrared emitting device in the infrared sensing device emits infrared rays perpendicular to the LED floor tile screen, if an infrared receiving device in the infrared sensing device does not receive the infrared rays, a first judgment result is as follows: determining that the area corresponding to the infrared sensing device on the LED floor tile screen is not contacted by an external object;
if an infrared receiving device in the infrared sensing device receives infrared rays, a first judgment result is as follows: determining that the area corresponding to the infrared sensing device on the LED floor tile screen is contacted by an external object;
the laser induction system adopts the laser induction mode to judge whether the region corresponding to the laser induction system on the LED floor tile screen is contacted by an external object, obtains a second judgment result, and specifically comprises:
after a laser emitting device in the laser sensing device emits laser perpendicular to the LED ground rotation screen, if a laser receiving device in the laser sensing device does not receive the laser, a second determination result is: determining that the area corresponding to the laser sensing device on the LED floor tile screen is not contacted by an external object;
if the laser receiving device in the laser sensing device does not receive the laser, the second determination result is: and determining that the area corresponding to the laser sensing device on the LED floor tile screen is contacted by an external object.
The preset distance range is 10 mm.
Preferably, the first and second liquid crystal materials are,
each receiving card comprises a network cable interface and a network cable outlet;
the network cable interface is connected with a sending card in the control device, and the network cable outlet is connected with a display induction plate in each module in a box body to which the receiving card belongs;
the receiving card is used for acquiring the position information of the area corresponding to the laser sensing device and/or the infrared sensing device on the LED floor tile screen when the infrared sensing device and/or the laser ranging sensing device determine that the area corresponding to the laser sensing device and/or the infrared sensing device on the LED floor tile screen is contacted by an external object when the object contacts the LED floor tile screen.
In a second aspect, the present invention provides a method for controlling an LED floor tile screen, where the method is performed by any one of the above systems, and the method includes:
s1, when an object contacts the LED floor tile screen, a sending card in the control device acquires the position information of the LED floor tile screen contacted by the object by means of the LED floor tile screen mid-infrared sensing device and the laser sensing device;
s2, feeding back the position information of the object to an external device by a sending card in the control device;
and S3, sending image signals for controlling the LED floor tile screen to control a plurality of LED lamps in the LED floor tile screen to display pictures according to preset display logic by the peripheral device based on the position information of the object.
Preferably, the S1 specifically includes:
the method comprises the steps that an infrared sensing device and a laser sensing device in the LED floor tile screen judge whether areas, corresponding to the infrared sensing device and the laser sensing device, in the LED floor tile screen are contacted by an external object in real time, a judgment result is obtained, and position information of the external object contacting the LED floor tile screen is obtained based on the judgment result;
a receiving plate in the LED floor tile screen collects the position information according to a preset collection frequency and transmits the position information to a transmitting card in a control device connected with the receiving plate;
the preset acquisition frequency is 4.15 ms/time.
Preferably, the S2 specifically includes:
the sending card in the control device transmits the position information of the object to a peripheral device connected with the sending card in the control device.
Preferably, the S3 specifically includes:
the peripheral device sends image information to a sending card in the control device based on the position information of the object;
the image information includes: video data for playback;
a sending card in the control device sends the image information to a receiving card in a module corresponding to the position of the LED floor tile screen contacted by an external object;
and the receiving card controls a display induction plate in the corresponding module to display the corresponding image according to the image information.
Preferably, the method further comprises:
and S4, respectively feeding back picture information displayed by the LED floor tile screen to a main control card and a corresponding receiving card in the control device.
(III) advantageous effects
The invention has the beneficial effects that: according to the interactive induction system and method for the LED floor tile screen, the induction module is adopted, so that compared with the prior art, the induction module can judge whether the LED floor tile screen is contacted by an external object or not by adopting two induction modes of infrared induction and laser ranging induction, and a better induction effect is achieved.
Drawings
FIG. 1 is a schematic view of an interactive induction system of an LED floor tile screen according to the present invention;
fig. 2 is a schematic structural diagram of a module in an LED floor tile screen in an interactive induction system of the LED floor tile screen according to the present invention;
FIG. 3 is a schematic diagram illustrating a sensing range of a sensing module in the module according to the embodiment of the present invention;
FIG. 4 is a flow chart of an interactive sensing method for an LED floor tile screen according to the present invention;
fig. 5 is a schematic view of an interactive sensing method of an LED floor tile screen according to the present invention in practical application.
[ description of reference ]
1: a sensing module;
2: the sensing range of the sensing module.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Referring to fig. 1, the present embodiment provides an interactive sensing system for an LED floor tile screen, including:
the device comprises a peripheral device, a control device and a display device which are sequentially connected in a data mode.
The control device includes: a transmitting card disposed in the video processor.
The peripheral device is a notebook computer or a computer.
The display device is an LED floor tile screen.
The LED floor tile screen is composed of a plurality of box bodies.
Each box body comprises a plurality of modules and receiving cards which correspond to the modules and are in data connection with the control device.
Referring to fig. 2, each module comprises, in order from top to bottom: the PC mask is used for protecting the display induction plate, the display induction plate and the bottom shell; and a waterproof rubber ring is arranged on the contact surface of the bottom shell and the box body.
In specific application, the PC mask firstly protects the LED lamp and bears the weight of people or objects, the PC mask is transparent or semitransparent, frosted effect is achieved in the place where no lamp bead emits light, and light is not transmitted or light transmission is reduced, so that the contrast of the LED display screen can be enhanced. The surface of the PC mask is provided with grooves formed by the transverse stripes and the vertical stripes, and the grooves can prevent water from accumulating on the surface and prevent the mask from being spliced by an obvious splicing seam. The plurality of pillars inside the PC mask play a role of supporting the surface of the mask, and the stress on the surface is transmitted to the surface of the box body.
In this embodiment, the LED floor tile screen can be partitioned by an algorithm, and each partition can have an independent interactive induction system, which can work independently and not interfere with each other.
In the induction module in the embodiment, a calibration clock circuit is arranged in the induction module, the clock is automatically calibrated when the induction module is started, the built-in clock is compared with a standard clock, and the clock error is small, so that the sensitivity of interactive induction is improved; and the clock correction comparison is carried out through the MCU controller, so that the method is simple and convenient.
The LED floor tile screen in the embodiment further comprises a correction module, and the correction module is used for timing algorithm management and correcting the brightness and chromaticity of the LED floor tile screen according to the pre-stored correction data.
In a specific application, referring to fig. 3, the display sensing board includes a sensing module for determining whether the LED rotary screen is contacted by an external object by using an infrared sensing and/or laser sensing manner, and a plurality of LED lamps for displaying an image according to an image signal sent by the control device, as shown in fig. 3, each sensing module 1 has a corresponding sensing range 2.
In practical application of this embodiment, the sensing module includes: infrared induction system and laser induction system.
The infrared induction device comprises an infrared emission device used for emitting infrared rays vertical to the LED floor tile screen and an infrared receiving device used for receiving the reflected infrared rays.
The laser sensing device comprises a laser emitting device and a laser receiving device, wherein the laser emitting device is used for emitting laser perpendicular to the LED floor tile screen, and the laser receiving device is used for receiving the reflected laser within a preset distance range.
The infrared sensing device judges whether the LED rotary screen is contacted by an external object in an infrared sensing mode, and a first judgment result is obtained.
The laser induction device adopts a laser induction mode to judge whether the LED floor tile screen is contacted by an external object or not, and a second judgment result is obtained.
In the practical application of this embodiment, infrared induction system adopts the infrared induction mode to judge on the LED ceramic tile screen with the region that infrared induction system corresponds receives the contact of external object, obtains first judged result, specifically includes:
after an infrared emitting device in the infrared sensing device emits infrared rays perpendicular to the LED floor tile screen, if an infrared receiving device in the infrared sensing device does not receive the infrared rays, a first judgment result is as follows: and determining that the area corresponding to the infrared sensing device on the LED floor tile screen is not contacted by an external object.
If an infrared receiving device in the infrared sensing device receives infrared rays, a first judgment result is as follows: and determining that the area corresponding to the infrared sensing device on the LED floor tile screen is contacted by an external object.
The laser induction system adopts the laser induction mode to judge whether the region corresponding to the laser induction system on the LED floor tile screen is contacted by an external object, obtains a second judgment result, and specifically comprises:
after a laser emitting device in the laser sensing device emits laser perpendicular to the LED ground rotation screen, if a laser receiving device in the laser sensing device does not receive the laser, a second determination result is: and determining that the area corresponding to the laser sensing device on the LED floor tile screen is not contacted by an external object.
If the laser receiving device in the laser sensing device does not receive the laser, the second determination result is: and determining that the area corresponding to the laser sensing device on the LED floor tile screen is contacted by an external object.
The preset distance range is 10 mm. In specific application, the distance from a sensing point of the laser sensing device to the surface of the floor tile screen, the thickness of the mask is 3-5mm, the height of the LED lamp is 1.5mm, the gap is 0.5mm, and laser emitted by the laser sensing device exceeds the surface of the floor tile screen by 3-5mm, so that the laser sensing signal is triggered more sensitively when the laser is touched by people or objects on the surface of the floor tile screen. The infrared induction is also induction triggering, and no distance requirement exists, and the induction can be triggered when the infrared is blocked.
In practical application of this embodiment, each of the receiving cards includes a network cable interface and a network cable outlet; the network cable interface is connected with a sending card in the control device, and the network cable outlet is connected with a display induction plate in each module in the box body to which the receiving card belongs.
The receiving card is used for acquiring the position information of the area corresponding to the laser sensing device and/or the infrared sensing device on the LED floor tile screen when the infrared sensing device and/or the laser ranging sensing device determine that the area corresponding to the laser sensing device and/or the infrared sensing device on the LED floor tile screen is contacted by an external object when the object contacts the LED floor tile screen.
In the interactive induction system of LED ceramic tile screen in this embodiment, owing to adopt the response module, for prior art, it can adopt two kinds of response modes of infrared induction and laser rangefinder response to judge whether LED changes the screen and receives the contact of external object, has reached better response effect.
Referring to fig. 4 and 5, the present embodiment further provides a method for controlling an LED floor tile screen, the method being performed by any one of the above systems, the method comprising:
and S1, when the object contacts the LED floor tile screen, the sending card in the control device acquires the position information of the LED floor tile screen contacted by the object by means of the LED floor tile screen mid-infrared sensing device and the laser sensing device.
And S2, feeding back the position information of the object to an external device by a sending card in the control device.
And S3, sending image signals for controlling the LED floor tile screen to control a plurality of LED lamps in the LED floor tile screen to display pictures according to preset display logic by the peripheral device based on the position information of the object.
In practical application of this embodiment, the S1 specifically includes: the method comprises the steps that an infrared sensing device and a laser sensing device in the LED floor tile screen judge whether areas, corresponding to the infrared sensing device and the laser sensing device, in the LED floor tile screen are contacted by an external object or not in real time, a judgment result is obtained, and position information of the external object contacting the LED floor tile screen is obtained based on the judgment result.
And a receiving plate in the LED floor tile screen collects the position information according to a preset collection frequency and transmits the position information to a sending card in a control device connected with the receiving plate. The preset acquisition frequency is 4.15 ms/time.
In the control system of the LED floor tile screen in this embodiment, the response time of the triggering of the LED floor tile screen is 0.02 second, the collecting speed of the receiving board is 4.15 ms/time, and the time for the sensing module to transmit the signal to the control system is 16.6ms (60 /second).
In practical application of this embodiment, the S2 specifically includes: the sending card in the control device transmits the position information of the object to a peripheral device connected with the sending card in the control device.
In practical application of this embodiment, the S3 specifically includes:
the peripheral device transmits image information to a transmission card in the control device based on the position information of the object.
The image information includes: video data for playback.
In a specific application, all display pictures in the LED floor tile screen are video data sent by an external device, the video data are stored in a playing system of the external device (a computer or a notebook computer), the playing system is software of a control system, and the playing software of the control system after receiving the position information can play FLASH animation preset in the software and display animation effects synthesized by videos.
A sending card in the control device sends the image information to a receiving card in a module corresponding to the position of the LED floor tile screen contacted by an external object;
and the receiving card controls a display induction plate in the corresponding module to display the corresponding image according to the image information.
In practical application of this embodiment, the method further includes:
and S4, respectively feeding back picture information displayed by the LED floor tile screen to a main control card and a corresponding receiving card in the control device.
In the interactive sensing method for the LED floor tile screen in the embodiment, the sensing module is adopted, so that compared with the prior art, the two sensing modes of infrared sensing and laser ranging sensing can be adopted to judge whether the LED floor tile screen is contacted by an external object, and a better sensing effect is achieved.
Since the system described in the above embodiment of the present invention is a system used for implementing the method of the above embodiment of the present invention, a person skilled in the art can understand the specific structure and the modification of the system based on the method described in the above embodiment of the present invention, and thus the detailed description is omitted here. All systems adopted by the method of the above embodiments of the present invention are within the intended scope of the present invention.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the terms first, second, third and the like are for convenience only and do not denote any order. These words are to be understood as part of the name of the component.
Furthermore, it should be noted that in the description of the present specification, the description of the term "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the claims should be construed to include preferred embodiments and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention should also include such modifications and variations.
Claims (9)
1. An interactive induction system of LED ceramic tile screen, its characterized in that includes:
the peripheral device, the control device and the display device are in data connection in sequence;
the control device includes: a transmitting card disposed in the video processor;
the peripheral device is a notebook computer or a computer;
the display device is an LED floor tile screen;
the LED floor tile screen is composed of a plurality of box bodies;
each box body comprises a plurality of modules and receiving cards which correspond to the modules and are in data connection with the control device;
wherein, each module from the top down includes in proper order: the PC mask is used for protecting the display induction plate, the display induction plate and the bottom shell; a waterproof rubber ring is arranged on the contact surface of the bottom shell and the box body;
the display induction plate comprises an induction module and a plurality of LED lamps, wherein the induction module is used for judging whether the LED rotary screen is contacted by an external object or not in an infrared induction and/or laser induction mode, and the LED lamps are used for displaying images according to image signals sent by the control device.
2. The system of claim 1,
the sensing module includes: the infrared sensing device and the laser sensing device;
the infrared induction device comprises an infrared emission device for emitting infrared rays vertical to the LED floor tile screen and an infrared receiving device for receiving the reflected infrared rays;
the laser sensing device comprises a laser emitting device and a laser receiving device, wherein the laser emitting device is used for emitting laser vertical to the LED floor tile screen, and the laser receiving device is used for receiving the reflected laser within a preset distance range;
the infrared sensing device judges whether the LED rotary screen is contacted by an external object in an infrared sensing mode to obtain a first judgment result;
the laser induction device adopts a laser induction mode to judge whether the LED floor tile screen is contacted by an external object or not, and a second judgment result is obtained.
3. The system of claim 2,
the infrared induction device adopts the infrared induction mode to judge on the LED ceramic tile screen with whether the region that the infrared induction device corresponds receives the contact of outside object, obtains first judged result, specifically includes:
after an infrared emitting device in the infrared sensing device emits infrared rays perpendicular to the LED floor tile screen, if an infrared receiving device in the infrared sensing device does not receive the infrared rays, a first judgment result is as follows: determining that the area corresponding to the infrared sensing device on the LED floor tile screen is not contacted by an external object;
if an infrared receiving device in the infrared sensing device receives infrared rays, a first judgment result is as follows: determining that the area corresponding to the infrared sensing device on the LED floor tile screen is contacted by an external object;
the laser induction system adopts the laser induction mode to judge whether the region corresponding to the laser induction system on the LED floor tile screen is contacted by an external object, obtains a second judgment result, and specifically comprises:
after a laser emitting device in the laser sensing device emits laser perpendicular to the LED ground rotation screen, if a laser receiving device in the laser sensing device does not receive the laser, a second determination result is: determining that the area corresponding to the laser sensing device on the LED floor tile screen is not contacted by an external object;
if the laser receiving device in the laser sensing device does not receive the laser, the second determination result is: and determining that the area corresponding to the laser sensing device on the LED floor tile screen is contacted by an external object.
The preset distance range is 10 mm.
4. The system of claim 3,
each receiving card comprises a network cable interface and a network cable outlet;
the network cable interface is connected with a sending card in the control device, and the network cable outlet is connected with a display induction plate in each module in a box body to which the receiving card belongs;
the receiving card is used for acquiring the position information of the area corresponding to the laser sensing device and/or the infrared sensing device on the LED floor tile screen when the infrared sensing device and/or the laser ranging sensing device determine that the area corresponding to the laser sensing device and/or the infrared sensing device on the LED floor tile screen is contacted by an external object when the object contacts the LED floor tile screen.
5. A method of controlling an LED floor tile screen, the method being performed by the system of any one of claims 1-4, the method comprising:
s1, when an object contacts the LED floor tile screen, a sending card in the control device acquires the position information of the LED floor tile screen contacted by the object by means of the LED floor tile screen mid-infrared sensing device and the laser sensing device;
s2, feeding back the position information of the object to an external device by a sending card in the control device;
and S3, sending image signals for controlling the LED floor tile screen to control a plurality of LED lamps in the LED floor tile screen to display pictures according to preset display logic by the peripheral device based on the position information of the object.
6. The method according to claim 5, wherein the S1 specifically comprises:
the method comprises the steps that an infrared sensing device and a laser sensing device in the LED floor tile screen judge whether areas, corresponding to the infrared sensing device and the laser sensing device, in the LED floor tile screen are contacted by an external object in real time, a judgment result is obtained, and position information of the external object contacting the LED floor tile screen is obtained based on the judgment result;
a receiving plate in the LED floor tile screen collects the position information according to a preset collection frequency and transmits the position information to a transmitting card in a control device connected with the receiving plate;
the preset acquisition frequency is 4.15 ms/time.
7. The method according to claim 6, wherein the S2 specifically includes:
the sending card in the control device transmits the position information of the object to a peripheral device connected with the sending card in the control device.
8. The method according to claim 7, wherein the S3 specifically includes:
the peripheral device sends image information to a sending card in the control device based on the position information of the object;
the image information includes: video data for playback;
a sending card in the control device sends the image information to a receiving card in a module corresponding to the position of the LED floor tile screen contacted by an external object;
and the receiving card controls a display induction plate in the corresponding module to display the corresponding image according to the image information.
9. The method of claim 8, further comprising:
and S4, respectively feeding back picture information displayed by the LED floor tile screen to a main control card and a corresponding receiving card in the control device.
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| CN202110956630.6A CN113658545A (en) | 2021-08-19 | 2021-08-19 | Interactive induction system and method for LED floor tile screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114550642A (en) * | 2022-02-23 | 2022-05-27 | 深圳市鼎力显示科技有限公司 | LED interactive display floor tile screen |
| CN114915819A (en) * | 2022-03-30 | 2022-08-16 | 卡莱特云科技股份有限公司 | Data interaction method, device and system based on interactive screen |
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