CN116483224A - Control method of infrared touch device and infrared touch system - Google Patents

Control method of infrared touch device and infrared touch system Download PDF

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Publication number
CN116483224A
CN116483224A CN202210044872.2A CN202210044872A CN116483224A CN 116483224 A CN116483224 A CN 116483224A CN 202210044872 A CN202210044872 A CN 202210044872A CN 116483224 A CN116483224 A CN 116483224A
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China
Prior art keywords
touch screen
screen body
infrared
controller
infrared touch
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CN202210044872.2A
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Chinese (zh)
Inventor
覃亮
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Guangzhou Zhongyuan Intelligent Technology Co ltd
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Guangzhou Zhongyuan Intelligent Technology Co ltd
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Priority to CN202210044872.2A priority Critical patent/CN116483224A/en
Publication of CN116483224A publication Critical patent/CN116483224A/en
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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
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

The application provides a control method of an infrared touch device and an infrared touch system, wherein the infrared touch device comprises at least one infrared touch screen, and the infrared touch screen comprises a touch screen body and a controller, and the control method comprises the following steps: the method comprises the steps that a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body, wherein the first controller is a controller of the first infrared touch screen, and the first touch screen body is a touch screen body of the first infrared touch screen; under the condition that a second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that emitted light rays of the first touch screen body and emitted light rays of the second touch screen body are not interfered with each other, and light net shielding information is obtained, wherein the second touch screen body is a touch screen body of the second infrared touch screen; and the first controller determines the touch position according to the light network shielding information.

Description

Control method of infrared touch device and infrared touch system
Technical Field
The present disclosure relates to the field of infrared touch, and in particular, to a control method and device for an infrared touch device, a computer readable storage medium, a processor, and an infrared touch system.
Background
The infrared components of the bilateral infrared touch control product are only arranged on the upper side and the lower side of the liquid crystal, as shown in fig. 1, wherein the upper lamp is an infrared receiving lamp, and the lower lamp is an infrared emitting lamp; the MCU of the infrared touch frame is distributed on one side; the upper side and the lower side are connected by connecting wires, so that signal transmission and power supply are realized; the two independent bilateral infrared touch control spliced products are obtained in a spliced manner, as shown in fig. 2, and the bilateral infrared touch control spliced product realizes a larger display and touch control area; when the left product and the right product are spliced, the two products are flush, and a splicing gap can be large or small or not between the two machines; when the infrared touch frames work side by side, the receiving lamps of the upper row are at the same moment, infrared signals emitted by the infrared emitters of the left infrared touch frame and the right infrared touch frame can be received at the same time, and at the moment, the phenomenon that the left infrared touch frame and the right infrared touch frame are mutually interfered can occur, so that the infrared touch frames work abnormally.
The above information disclosed in the background section is only for enhancement of understanding of the background art from the technology described herein and, therefore, may contain some information that does not form the prior art that is already known in the country to a person of ordinary skill in the art.
Disclosure of Invention
The main object of the present application is to provide a control method, a control device, a computer readable storage medium, a processor and an infrared touch system for an infrared touch device, so as to solve the problem that after the infrared touch screens are spliced in the prior art, the edge infrared signals of two adjacent infrared touch screens may interfere with each other, resulting in abnormal touch.
According to an aspect of an embodiment of the present invention, there is provided a control method of an infrared touch device including at least one infrared touch screen including a touch screen body and a controller, the method including: the method comprises the steps that a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body, wherein the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen; under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that emitted light rays of the first touch screen body and emitted light rays of a second touch screen body are not interfered with each other, and light screen shielding information is obtained, wherein the second touch screen body is the touch screen body of the second infrared touch screen; and the first controller determines a touch position according to the light network shielding information.
Optionally, at least the first controller scans the touch screen body according to the scanning information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, and light network shielding information is obtained, including: according to the scanning information, the first controller scans the first touch screen body according to a preset direction to obtain the light network shielding information, and meanwhile, the second controller scans the second touch screen body according to the preset direction, wherein the second controller is the controller of the second infrared touch screen.
Optionally, at least the first controller scans the touch screen body according to the scanning information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, and light network shielding information is obtained, including: according to the scanning information, the first controller scans the first touch screen body to obtain the light network shielding information; after the scanning is completed, the first controller generates a first preset signal, and the first preset signal is used for triggering a second controller to scan the second touch screen body, wherein the second controller is the controller of the second infrared touch screen; the first controller transmits the first predetermined signal to the second controller.
Optionally, at least the first controller scans the touch screen body according to the scanning information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, and light network shielding information is obtained, including: when a second preset signal is received, the first controller scans the first touch screen body according to the scanning information to obtain the light net shielding information, wherein the second preset signal is generated after a second controller scans the second touch screen body, and the second controller is the controller of the second infrared touch screen.
Optionally, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that emitted light rays of the first touch screen body and emitted light rays of the second touch screen body are not interfered with each other, and light net shielding information is obtained, including: under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that the emitted light rays of the first touch screen body and the emitted light rays of the second touch screen body are not interfered with each other, and a plurality of infrared signals are obtained; and the first controller performs preset processing on the infrared signals to obtain the light network shielding information, wherein the preset processing comprises analog-to-digital conversion and filtering processing.
Optionally, the touch screen body includes a touch frame, the touch frame includes a plurality of infrared emitters and a plurality of infrared receivers that set up relatively, the scanning information includes scanning parameter and the luminance parameter of infrared emitters.
According to another aspect of the embodiment of the present invention, there is further provided a control device of an infrared touch device, where the infrared touch device includes at least one infrared touch screen, the infrared touch screen includes a touch screen body and a controller, the device includes a detection unit, a scanning unit, and a determining unit, where the detection unit is configured to determine, by using a first controller, whether a second infrared touch screen is spliced to one side of a first touch screen body, where the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen; the scanning unit is used for scanning the touch screen body according to scanning information at least under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, so that emitted light rays of the first touch screen body and emitted light rays of a second touch screen body are not interfered with each other, and light net shielding information is obtained, wherein the second touch screen body is the touch screen body of the second infrared touch screen; the determining unit is used for determining a touch position by the first controller according to the light network shielding information.
According to still another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program performs any one of the methods.
According to yet another aspect of the embodiments of the present invention, there is further provided a processor, where the processor is configured to execute a program, where the program executes any one of the methods.
According to another aspect of the embodiments of the present invention, there is also provided an infrared touch system including an infrared touch device including at least one infrared touch screen including a touch screen body and a controller including a control program for executing any one of the methods.
In the control method of the infrared touch device, first, a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body; then, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other, and light network shielding information is obtained; and finally, the first controller determines a touch position according to the light network shielding information. The infrared touch device at least comprises an infrared touch screen, namely the infrared touch device can be an independent touch screen or a spliced touch screen, the method is characterized in that whether a second infrared touch screen is spliced around a first touch screen body or not is determined through the first controller, when the second infrared touch screen is detected to be spliced, the first controller scans the touch screen body according to scanning information to acquire light net shielding information, and in the scanning process, the emitted light rays of the first touch screen body and the emitted light rays of the second touch screen body are mutually noninterfere, so that the problem that when the second infrared touch screen is spliced around the first infrared touch screen, the edge infrared signals of the first infrared touch screen and the edge infrared signals of the second infrared touch screen are possibly mutually interfered, touch control messy jumping points, touch control failure, inaccurate touch control and the like are caused, and the determined touch control position is ensured to be relatively accurate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 shows a schematic diagram of a prior art infrared touch screen;
FIG. 2 shows a schematic structural diagram of an infrared touch tiled screen in the prior art;
FIG. 3 shows a flow diagram of a method of controlling an infrared touch device according to an embodiment of the present application;
FIGS. 4 and 5 respectively show scanning schematics of two tiled infrared touch screens according to embodiments of the present application;
fig. 6 shows a schematic diagram of a control device of an infrared touch device according to an embodiment of the present application.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Furthermore, in the description and in the claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, after the infrared touch screens in the prior art are spliced, the infrared signals at the edges of two adjacent infrared touch screens may interfere with each other, so as to cause abnormal touch, and in order to solve the above problem, in an exemplary embodiment of the present application, a control method, a control device, a computer readable storage medium, a processor, and an infrared touch system for an infrared touch device are provided.
According to an embodiment of the application, there is provided a control method of an infrared touch device, where the infrared touch device includes at least one infrared touch screen, and the infrared touch screen includes a touch screen body and a controller.
Fig. 3 is a flowchart of a control method of an infrared touch device according to an embodiment of the present application. As shown in fig. 3, the method comprises the steps of:
step S101, a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body, wherein the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen;
step S102, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other to obtain light screen shielding information, wherein the second touch screen body is the touch screen body of the second infrared touch screen;
Step S103, the first controller determines the touch position according to the light network shielding information.
In the control method of the infrared touch device, first, a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body; then, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other, and light network shielding information is obtained; and finally, the first controller determines the touch position according to the light network shielding information. The infrared touch device at least comprises an infrared touch screen, namely the infrared touch device can be an independent touch screen or a spliced touch screen, the method is characterized in that whether a second infrared touch screen is spliced around a first touch screen body or not is determined through the first controller, when the second infrared touch screen is detected to be spliced, the first controller scans the touch screen body according to scanning information to acquire the light screen shielding information, and in the scanning process, the emitted light rays of the first touch screen body and the emitted light rays of the second touch screen body are mutually noninterfere, so that the problems that the edge infrared signals of the first infrared touch screen and the edge infrared signals of the second infrared touch screen are possibly mutually interfered, touch control messy points, touch control failure, touch control inaccuracy and the like are caused in the scanning process are avoided, and the determined touch control position is relatively accurate.
It should be noted that, when the second infrared touch screen is spliced at one side of the first touch screen body, the first infrared touch screen and the second infrared touch screen may be connected by a wire or by a wireless connection. Among the above-mentioned infrared touch device of this application, every infrared touch screen all has a controller, and every infrared touch screen after the concatenation can all independently scan, has guaranteed like this that scanning speed is faster, the frame rate is higher and the delay is less, has guaranteed that the effect of the touch position that obtains is better, simultaneously, and independent a plurality of controllers have guaranteed that the combination mode of above-mentioned infrared touch screen is comparatively nimble, can realize that two screens, three screens and many screen combinations do not interfere with each other, and when not combining, every above-mentioned infrared touch screen all can independent operation.
Specifically, the first controller determines whether a second infrared touch screen is spliced on one side of the first touch screen body, and may be a detection unit of the first controller itself to detect whether the second infrared touch screen is spliced on one side of the first touch screen body, so as to obtain a determination result; the first controller may receive predetermined information, and obtain the determination result according to the predetermined information, where the predetermined information is information that characterizes whether a second infrared touch screen is spliced on one side of the first touch screen body.
In the practical application process, the infrared touch screen further comprises an infrared touch frame which is arranged oppositely, and a plurality of infrared emitters or infrared receivers are arranged in the infrared touch frame. The infrared touch screen may be a bilateral infrared touch screen, that is, two infrared touch frames are respectively located at two sides of the touch screen body, one infrared touch frame is provided with a plurality of infrared emitters, and the other infrared touch frame is provided with a plurality of corresponding infrared receivers; the infrared touch screen can also be a four-sided infrared touch screen, namely, four infrared touch frames are respectively positioned at the periphery of the touch screen body, and the four infrared touch frames correspond to each other in pairs. In the case where the infrared touch device is a split screen, there may be one or more second infrared touch screens, and the position of the second infrared touch screen may be on the right side of the first infrared touch screen, as shown in fig. 4, or may be below the first infrared touch screen, as shown in fig. 5, and of course, the second infrared touch screen is not limited to the above position, but may be on the left side or above the first infrared touch screen.
Specifically, the first controller can detect whether a second infrared touch screen is spliced on one side of the first touch screen body in a software command mode, for example, a command issued in a mode of a communication interface such as a USB interface is acquired, and the issued command carries information for informing the current splicing mode of the first controller; the first controller can also detect whether a second infrared touch screen is spliced on one side of the first touch screen body in a hardware circuit mode, for example, the first controller reserves a detection IO (Input/Output) interface, the spliced infrared touch screens are connected through a cable, and after connection, the first controller can automatically detect whether spliced screens exist around.
According to a specific embodiment of the present application, at least the first controller scans the touch screen body according to scanning information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, and light network shielding information is obtained, including: according to the scanning information, the first controller scans the first touch screen body according to a preset direction to obtain the light network shielding information, and meanwhile, the second controller scans the second touch screen body according to the preset direction, wherein the second controller is the controller of the second infrared touch screen. When the second infrared touch screen is spliced on one side of the first infrared touch screen, the first touch screen body and the second touch screen body are scanned along the preset direction, so that the problem that edge emission signals of the first touch screen body and the second touch screen body are mutually interfered is further avoided, and the touch control position obtained according to the obtained light screen shielding information is further ensured to be accurate.
The scanning in the predetermined direction may be scanning in a fixed direction, or may be scanning in a lamp sequence preset by software, and the preset sequence is not necessarily a fixed sequence from front to back.
In order to further avoid mutual interference of edge emission signals of the first touch screen body and the second touch screen body, in another specific embodiment of the present application, at least the first controller scans the touch screen body according to scanning information, so that emission light of the first touch screen body and emission light of the second touch screen body are not interfered with each other, and light net shielding information is obtained, including: according to the scanning information, the first controller scans the first touch screen body to obtain the light network shielding information; after the scanning is completed, the first controller generates a first preset signal, and the first preset signal is used for triggering a second controller to scan the second touch screen body, wherein the second controller is the controller of the second infrared touch screen; the first controller transmits the first predetermined signal to the second controller. In the method, the first controller scans the first touch screen body according to the scanning information to obtain the light network shielding information, and after the scanning is completed, the first controller generates the first preset signal to trigger the second controller to scan the second touch screen body, so that serial scanning between adjacent infrared touch screens is realized, the condition that infrared contactors at the joint of the two infrared touch screens are simultaneously received from infrared transmitters of the two touch screen bodies is further avoided, and the problem of mutual interference is further avoided.
In the above process, the scanning direction of the first controller to the first touch screen body and the scanning direction of the second controller to the second touch screen body may be the same or different, and a person skilled in the art may flexibly set the scanning direction according to actual situations.
In still another specific embodiment of the present application, at least the first controller scans the touch screen body according to scan information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, and light-net shielding information is obtained, including: when a second preset signal is received, the first controller scans the first touch screen body according to the scanning information to obtain the light net shielding information, wherein the second preset signal is a signal generated after a second controller scans the second touch screen body, and the second controller is the controller of the second infrared touch screen. According to the method, after the second controller scans the second touch screen body, the first controller is triggered to scan the first touch screen body according to the scanning information to obtain the light net shielding information, so that serial scanning between adjacent infrared touch screens is realized, and the problem that edge emission signals of the adjacent infrared touch screens are mutually interfered is further avoided.
In the above process, the scanning direction of the first controller to the first touch screen body and the scanning direction of the second controller to the second touch screen body may be the same or different, and a person skilled in the art may flexibly set the scanning direction according to actual situations.
It should be noted that, the first controller and the second controller may be in a hardware connection manner to implement communication, for example, through a daisy chain or other communication protocols, so as to implement synchronous scanning between the two controllers; of course, the first controller and the second controller may also realize synchronous scanning in a wireless manner, for example, in a start stage, a special synchronization signal is transmitted from an edge, and if the synchronization signal is detected at an edge, the first controller and the second controller start to enter a synchronization mode, and then realize synchronization according to a clock signal.
In order to further ensure that the obtained touch position is accurate, according to another specific embodiment of the present application, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that emitted light of the first touch screen body and emitted light of the second touch screen body do not interfere with each other, and light shielding information is obtained, including: under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that the emitted light rays of the first touch screen body and the emitted light rays of the second touch screen body are not interfered with each other, and a plurality of infrared signals are obtained; the first controller performs predetermined processing on the plurality of infrared signals to obtain the light network shielding information, wherein the predetermined processing comprises analog-to-digital conversion and filtering processing. The infrared signals obtained through scanning are subjected to preset treatments such as analog-to-digital conversion, filtering treatment and the like, so that the influence of clutter, noise and the like on the subsequent touch position is avoided, the obtained shielding information of the optical network is ensured to be accurate, and the subsequent accurate touch position is further facilitated.
In an actual application process, the touch screen body comprises a touch frame, the touch frame comprises a plurality of infrared emitters and a plurality of infrared receivers which are arranged oppositely, and the scanning information comprises scanning parameters and brightness parameters of the infrared emitters. The scanning parameters include a scanning frequency and a scanning mode, the scanning mode may be that all the infrared emitters and corresponding infrared receivers in one infrared touch screen are scanned in sequence, or that part of the infrared emitters and corresponding infrared receivers in one infrared touch screen are scanned, and the brightness parameters of the infrared emitters include parameters such as current and power. By controlling the scanning parameters and the brightness parameters, various scanning modes such as a sleep mode, a normal mode, an aging mode, a light-resistant mode and the like are realized.
In the practical application process, under the condition that the second infrared touch screen is not spliced at one side of the first touch screen body, the first controller scans the touch screen body in a conventional scanning mode without considering the mutual interference problem. When the number of the infrared touch screens is 3 or more, the method is also applicable to the control method of the application, and the description is omitted here.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
The embodiment of the application also provides a control device of the infrared touch device, where the infrared touch device includes at least one infrared touch screen, and the infrared touch screen includes a touch screen body and a controller. The following describes a control device of an infrared touch device provided in an embodiment of the present application.
Fig. 6 is a schematic diagram of a control device of an infrared touch device according to an embodiment of the present application. As shown in fig. 6, the device includes a detection unit 10, a scanning unit 20, and a determining unit 30, where the detection unit 10 is configured to determine, by using a first controller, whether a second infrared touch screen is spliced on one side of a first touch screen body, where the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen; the scanning unit 20 is configured to, when the second infrared touch screen is spliced to one side of the first touch screen body, scan the touch screen body according to at least scanning information by using the first controller, so that emitted light of the first touch screen body and emitted light of a second touch screen body do not interfere with each other, and obtain light-shielding information, where the second touch screen body is the touch screen body of the second infrared touch screen; the determining unit 30 is configured to determine a touch location according to the optical network shielding information by using the first controller.
In the control device of the infrared touch device, the first controller determines whether a second infrared touch screen is spliced on one side of the first touch screen body through the detection unit; under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information through the scanning unit, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other, and light network shielding information is obtained; and through the determining unit, the first controller determines the touch position according to the light network shielding information. The above-mentioned infrared touch device of this application includes an infrared touch screen at least, the above-mentioned infrared touch device can be the solitary touch screen promptly, also can be the touch screen of concatenation, above-mentioned device is through the above-mentioned first infrared touch screen of whether splice around the first touch screen body of above-mentioned first controller determination, when detecting the concatenation has above-mentioned second infrared touch screen, above-mentioned first controller scans above-mentioned touch screen body according to scanning information, acquire above-mentioned light net shielding information, and the transmission light of above-mentioned first touch screen body and the transmission light mutual noninterference of second touch screen body of scanning in-process, when having avoided above-mentioned first infrared touch screen splice around the second infrared touch screen, the edge infrared signal of first infrared touch screen of scanning in-process probably mutual interference with the edge infrared signal of second infrared touch screen, cause touch control messy point, touch control malfunction and touch control inaccurate scheduling problem, the comparatively accurate of the aforesaid touch control position of having guaranteed to confirm.
It should be noted that, when the second infrared touch screen is spliced at one side of the first touch screen body, the first infrared touch screen and the second infrared touch screen may be connected by a wire or by a wireless connection. Among the above-mentioned infrared touch device of this application, every infrared touch screen all has a controller, and every infrared touch screen after the concatenation can all independently scan, has guaranteed like this that scanning speed is faster, the frame rate is higher and the delay is less, has guaranteed that the effect of the touch position that obtains is better, simultaneously, and independent a plurality of controllers have guaranteed that the combination mode of above-mentioned infrared touch screen is comparatively nimble, can realize that two screens, three screens and many screen combinations do not interfere with each other, and when not combining, every above-mentioned infrared touch screen all can independent operation.
Specifically, the first controller determines whether a second infrared touch screen is spliced on one side of the first touch screen body, and may be a detection unit of the first controller itself to detect whether the second infrared touch screen is spliced on one side of the first touch screen body, so as to obtain a determination result; the first controller may receive predetermined information, and obtain the determination result according to the predetermined information, where the predetermined information is information that characterizes whether a second infrared touch screen is spliced on one side of the first touch screen body.
In the practical application process, the infrared touch screen further comprises an infrared touch frame which is arranged oppositely, and a plurality of infrared emitters or infrared receivers are arranged in the infrared touch frame. The infrared touch screen may be a bilateral infrared touch screen, that is, two infrared touch frames are respectively located at two sides of the touch screen body, one infrared touch frame is provided with a plurality of infrared emitters, and the other infrared touch frame is provided with a plurality of corresponding infrared receivers; the infrared touch screen can also be a four-sided infrared touch screen, namely, four infrared touch frames are respectively positioned at the periphery of the touch screen body, and the four infrared touch frames correspond to each other in pairs. In the case where the infrared touch device is a split screen, there may be one or more second infrared touch screens, and the position of the second infrared touch screen may be on the right side of the first infrared touch screen, as shown in fig. 4, or may be below the first infrared touch screen, as shown in fig. 5, and of course, the second infrared touch screen is not limited to the above position, but may be on the left side or above the first infrared touch screen.
Specifically, the first controller can detect whether a second infrared touch screen is spliced on one side of the first touch screen body in a software command mode, for example, a command issued in a mode of a communication interface such as a USB interface is acquired, and the issued command carries information for informing the current splicing mode of the first controller; the first controller can also detect whether a second infrared touch screen is spliced on one side of the first touch screen body in a hardware circuit mode, for example, the first controller reserves a detection IO (Input/Output) interface, the spliced infrared touch screens are connected through a cable, and after connection, the first controller can automatically detect whether spliced screens exist around.
According to a specific embodiment of the present application, the scanning unit includes a first scanning module, where the first scanning module is configured to scan the first touch screen body according to the scanning information, and the first controller scans the second touch screen body according to the predetermined direction to obtain the optical network shielding information, and meanwhile, the second controller scans the second touch screen body according to the predetermined direction, where the second controller is the controller of the second infrared touch screen. When the second infrared touch screen is spliced on one side of the first infrared touch screen, the first touch screen body and the second touch screen body are scanned along the preset direction, so that the problem that edge emission signals of the first touch screen body and the second touch screen body are mutually interfered is further avoided, and the touch control position obtained according to the obtained light screen shielding information is further ensured to be accurate.
The scanning in the predetermined direction may be scanning in a fixed direction, or may be scanning in a lamp sequence preset by software, and the preset sequence is not necessarily a fixed sequence from front to back.
In order to further avoid mutual interference of edge emission signals of the first touch screen body and the second touch screen body, in another specific embodiment of the present application, the scanning unit includes a second scanning module, a generating module, and a sending module, where the second scanning module is configured to scan the first touch screen body by the first controller according to the scanning information to obtain the optical network shielding information; the generating module is used for generating a first preset signal by the first controller after the scanning is completed, and the first preset signal is used for triggering a second controller to scan the second touch screen body, wherein the second controller is the controller of the second infrared touch screen; the transmitting module is used for the first controller to transmit the first preset signal to the second controller. In the device, the first controller scans the first touch screen body according to the scanning information to obtain the light network shielding information, and the first controller generates the first preset signal after the scanning is completed to trigger the second controller to scan the second touch screen body, so that serial scanning between adjacent infrared touch screens is realized, infrared contactors at the joint of the two infrared touch screens are further avoided, the condition of receiving infrared transmitters from the two touch screen bodies is also avoided, and the problem of mutual interference is further avoided.
In the above process, the scanning direction of the first controller to the first touch screen body and the scanning direction of the second controller to the second touch screen body may be the same or different, and a person skilled in the art may flexibly set the scanning direction according to actual situations.
In still another specific embodiment of the present application, the scanning unit includes a third scanning module, where the third scanning module is configured to scan, according to the scanning information, the first controller to scan the first touch screen body to obtain the optical network shielding information, and the second predetermined signal is a signal generated after a second controller scans the second touch screen body, where the second controller is the controller of the second infrared touch screen. According to the device, after the second controller scans the second touch screen body, the first controller is triggered to scan the first touch screen body according to the scanning information to obtain the light net shielding information, so that serial scanning between adjacent infrared touch screens is realized, and the problem that the edge emission signals of the adjacent infrared touch screens are mutually interfered is further avoided.
In the above process, the scanning direction of the first controller to the first touch screen body and the scanning direction of the second controller to the second touch screen body may be the same or different, and a person skilled in the art may flexibly set the scanning direction according to actual situations.
It should be noted that, the first controller and the second controller may be in a hardware connection manner to implement communication, for example, through a daisy chain or other communication protocols, so as to implement synchronous scanning between the two controllers; of course, the first controller and the second controller may also realize synchronous scanning in a wireless manner, for example, in a start stage, a special synchronization signal is transmitted from an edge, and if the synchronization signal is detected at an edge, the first controller and the second controller start to enter a synchronization mode, and then realize synchronization according to a clock signal.
In order to further ensure that the obtained touch position is more accurate, according to another specific embodiment of the present application, the scanning unit includes a fourth scanning module and a processing module, where the fourth scanning module is configured to, when the second infrared touch screen is spliced on one side of the first touch screen body, scan the touch screen body according to scanning information by at least the first controller, so that emitted light of the first touch screen body and emitted light of the second touch screen body do not interfere with each other, and obtain a plurality of infrared signals; the processing module is configured to perform predetermined processing on the plurality of infrared signals by the first controller to obtain the optical network shielding information, where the predetermined processing includes analog-to-digital conversion and filtering processing. The infrared signals obtained through scanning are subjected to preset treatments such as analog-to-digital conversion, filtering treatment and the like, so that the influence of clutter, noise and the like on the subsequent touch position is avoided, the obtained shielding information of the optical network is ensured to be accurate, and the subsequent accurate touch position is further facilitated.
In an actual application process, the touch screen body comprises a touch frame, the touch frame comprises a plurality of infrared emitters and a plurality of infrared receivers which are arranged oppositely, and the scanning information comprises scanning parameters and brightness parameters of the infrared emitters. The scanning parameters include a scanning frequency and a scanning mode, the scanning mode may be that all the infrared emitters and corresponding infrared receivers in one infrared touch screen are scanned in sequence, or that part of the infrared emitters and corresponding infrared receivers in one infrared touch screen are scanned, and the brightness parameters of the infrared emitters include parameters such as current and power. By controlling the scanning parameters and the brightness parameters, various scanning modes such as a sleep mode, a normal mode, an aging mode, a light-resistant mode and the like are realized.
Specifically, the infrared touch screen may be a double-sided infrared touch screen, that is, the infrared touch frame is located at two sides of the touch screen body; the infrared touch screen can also be a four-sided infrared touch screen, namely, two infrared touch frames are positioned around the touch screen body. In the case where the infrared touch device is a split screen, there may be one or more second infrared touch screens, and the position of the second infrared touch screen may be on the right side of the first infrared touch screen, as shown in fig. 4, or may be below the first infrared touch screen, as shown in fig. 5, and of course, the second infrared touch screen is not limited to the above position, but may be on the left side or above the first infrared touch screen.
In the practical application process, under the condition that the second infrared touch screen is not spliced at one side of the first touch screen body, the first controller scans the touch screen body in a conventional scanning mode without considering the mutual interference problem. When the number of the infrared touch screens is 3 or more, the infrared touch screens are also applicable to the control device of the present application, and the description thereof is omitted.
The control device of the infrared touch device comprises a processor and a memory, wherein the detection unit, the scanning unit, the determining unit and the like are all stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor includes a kernel, and the kernel fetches the corresponding program unit from the memory. The inner core can be provided with one or more than one, and the problem of abnormal touch caused by mutual interference of infrared signals at the edges of two adjacent infrared touch screens after the infrared touch screens are spliced in the prior art is solved by adjusting the parameters of the inner core.
The memory may include volatile memory, random Access Memory (RAM), and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), among other forms in computer readable media, the memory including at least one memory chip.
An embodiment of the present invention provides a computer-readable storage medium having a program stored thereon, which when executed by a processor, implements the control method of an infrared touch device described above.
The embodiment of the invention provides a processor, which is used for running a program, wherein the control method of the infrared touch device is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program stored in the memory and capable of running on the processor, wherein the processor realizes at least the following steps when executing the program:
step S101, a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body, wherein the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen;
step S102, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other to obtain light screen shielding information, wherein the second touch screen body is the touch screen body of the second infrared touch screen;
Step S103, the first controller determines the touch position according to the light network shielding information.
The device herein may be a server, PC, PAD, cell phone, etc.
The present application also provides a computer program product adapted to perform a program initialized with at least the following method steps when executed on a data processing device:
step S101, a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body, wherein the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen;
step S102, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other to obtain light screen shielding information, wherein the second touch screen body is the touch screen body of the second infrared touch screen;
step S103, the first controller determines the touch position according to the light network shielding information.
According to yet another exemplary embodiment of the present application, there is also provided an infrared touch system including an infrared touch device including at least one infrared touch screen including a touch screen body and a controller including a control program for executing any one of the above methods.
The infrared touch system comprises an infrared touch device, the infrared touch device comprises at least one infrared touch screen, namely the infrared touch device can be an independent touch screen or a spliced touch screen, the infrared touch screen comprises a touch screen body and a controller, the controller is used for executing any one of the methods, the method is used for determining whether a second infrared touch screen is spliced around the first touch screen body or not through the first controller, when the second infrared touch screen is detected to be spliced, the first controller scans the touch screen body according to scanning information to obtain the shielding information of the optical network, and in the scanning process, the emitted light rays of the first touch screen body and the emitted light rays of the second touch screen body are not interfered with each other, so that the problem that when the second infrared touch screen is spliced around the first infrared touch screen, the edge infrared signals of the first infrared touch screen and the edge infrared signals of the second infrared touch screen are possibly interfered with each other, touch points, failure, touch control and accurate touch control are ensured, and the touch control position is not accurately determined.
It should be noted that, when the second infrared touch screen is spliced at one side of the first touch screen body, the first infrared touch screen and the second infrared touch screen may be connected by a wire or by a wireless connection. Among the above-mentioned infrared touch device of this application, every infrared touch screen all has a controller, and every infrared touch screen after the concatenation can all independently scan, has guaranteed like this that scanning speed is faster, the frame rate is higher and the delay is less, has guaranteed that the effect of the touch position that obtains is better, simultaneously, and independent a plurality of controllers have guaranteed that the combination mode of above-mentioned infrared touch screen is comparatively nimble, can realize that two screens, three screens and many screen combinations do not interfere with each other, and when not combining, every above-mentioned infrared touch screen all can independent operation.
In the practical application process, the infrared touch screen further comprises an infrared touch frame which is arranged oppositely, and a plurality of infrared emitters or infrared receivers are arranged in the infrared touch frame. The infrared touch screen may be a bilateral infrared touch screen, that is, two infrared touch frames are respectively located at two sides of the touch screen body, one infrared touch frame is provided with a plurality of infrared emitters, and the other infrared touch frame is provided with a plurality of corresponding infrared receivers; the infrared touch screen can also be a four-sided infrared touch screen, namely, four infrared touch frames are respectively positioned at the periphery of the touch screen body, and the four infrared touch frames correspond to each other in pairs. In the case where the infrared touch device is a split screen, there may be one or more second infrared touch screens, and the position of the second infrared touch screen may be on the right side of the first infrared touch screen, as shown in fig. 4, or may be below the first infrared touch screen, as shown in fig. 5, and of course, the second infrared touch screen is not limited to the above position, but may be on the left side or above the first infrared touch screen.
Specifically, the first controller can detect whether a second infrared touch screen is spliced on one side of the first touch screen body in a software command mode, for example, a command issued in a mode of a communication interface such as a USB interface is acquired, and the issued command carries information for informing the current splicing mode of the first controller; the first controller can also detect whether a second infrared touch screen is spliced on one side of the first touch screen body in a hardware circuit mode, for example, the first controller reserves a detection IO (Input/Output) interface, the spliced infrared touch screens are connected through a cable, and after connection, the first controller can automatically detect whether spliced screens exist around.
According to a specific embodiment of the present application, when the second infrared touch screen is spliced on one side of the first infrared touch screen, that is, when the infrared touch device is a spliced screen, the first controller scans the first touch screen body according to the scanning information and a predetermined direction to obtain the light screen shielding information, and simultaneously, the second controller scans the second touch screen body according to the predetermined direction, where the second controller is the controller of the second infrared touch screen. When the second infrared touch screen is spliced on one side of the first infrared touch screen, the first touch screen body and the second touch screen body are scanned along the preset direction, so that the problem that edge emission signals of the first touch screen body and the second touch screen body are mutually interfered is further avoided, and the touch control position obtained according to the obtained light screen shielding information is further ensured to be accurate.
In order to further avoid mutual interference of edge emission signals of the first touch screen body and the second touch screen body, in another specific embodiment of the present application, in a case that the second infrared touch screen is spliced on one side of the first infrared touch screen, that is, in a case that the infrared touch device is a spliced screen, the first controller scans the first touch screen body according to the scanning information to obtain the light network shielding information; after the scanning is completed, the first controller generates a first preset signal, and the first preset signal is used for triggering a second controller to scan the second touch screen body, wherein the second controller is the controller of the second infrared touch screen; the first controller transmits the first predetermined signal to the second controller; and the second controller scans the second touch screen body when receiving the first preset signal. In the system, the first controller scans the first touch screen body according to the scanning information to obtain the light network shielding information, and the first controller generates the first preset signal after the scanning is completed to trigger the second controller to scan the second touch screen body, so that serial scanning between adjacent infrared touch screens is realized, infrared contactors at the joint of the two infrared touch screens are further avoided, the condition of simultaneously receiving infrared transmitters from the two touch screen bodies is further avoided, and the problem of mutual interference is further avoided.
In the above process, the scanning direction of the first controller to the first touch screen body and the scanning direction of the second controller to the second touch screen body may be the same or different, and a person skilled in the art may flexibly set the scanning direction according to actual situations.
In still another specific embodiment of the present application, when the second infrared touch screen is spliced on one side of the first infrared touch screen, that is, when the infrared touch device is a spliced screen, the second controller scans the second touch screen body; after the scanning is completed, the second controller generates a second preset signal and sends the second preset signal to the first controller, wherein the second controller is the controller of the second infrared touch screen; and when the first controller receives the second preset signal, the first controller scans the first touch screen body according to the scanning information to obtain the light network shielding information. According to the system, after the second controller scans the second touch screen body, the first controller is triggered to scan the first touch screen body according to the scanning information to obtain the light net shielding information, so that serial scanning between adjacent infrared touch screens is realized, and the problem that the edge emission signals of the adjacent infrared touch screens are mutually interfered is further avoided.
In the above process, the scanning direction of the first controller to the first touch screen body and the scanning direction of the second controller to the second touch screen body may be the same or different, and a person skilled in the art may flexibly set the scanning direction according to actual situations.
It should be noted that, the first controller and the second controller may be in a hardware connection manner to implement communication, for example, through a daisy chain or other communication protocols, so as to implement synchronous scanning between the two controllers; of course, the first controller and the second controller may also realize synchronous scanning in a wireless manner, for example, in a start stage, a special synchronization signal is transmitted from an edge, and if the synchronization signal is detected at an edge, the first controller and the second controller start to enter a synchronization mode, and then realize synchronization according to a clock signal.
In order to further ensure that the obtained touch position is more accurate, according to another specific embodiment of the present application, when the second infrared touch screen is spliced on one side of the first touch screen body, the first controller and the second controller scan the touch screen body according to scan information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, and a plurality of infrared signals are obtained; the first controller performs predetermined processing on the corresponding plurality of infrared signals, the second controller performs predetermined processing on the corresponding infrared signals to obtain the light network shielding information, and the predetermined processing includes analog-to-digital conversion and filtering processing. The infrared signals obtained through scanning are subjected to preset treatments such as analog-to-digital conversion, filtering treatment and the like, so that the influence of clutter, noise and the like on the subsequent touch position is avoided, the obtained shielding information of the optical network is ensured to be accurate, and the subsequent accurate touch position is further facilitated.
In an actual application process, the touch screen body comprises a touch frame, the touch frame comprises a plurality of infrared emitters and a plurality of infrared receivers which are arranged oppositely, and the scanning information comprises scanning parameters and brightness parameters of the infrared emitters. The scanning parameters include a scanning frequency and a scanning mode, the scanning mode may be that all the infrared emitters and corresponding infrared receivers in one infrared touch screen are scanned in sequence, or that part of the infrared emitters and corresponding infrared receivers in one infrared touch screen are scanned, and the brightness parameters of the infrared emitters include parameters such as current and power. By controlling the scanning parameters and the brightness parameters, various scanning modes such as a sleep mode, a normal mode, an aging mode, a light-resistant mode and the like are realized.
In the practical application process, under the condition that the second infrared touch screen is not spliced at one side of the first touch screen body, the first controller scans the touch screen body in a conventional scanning mode without considering the mutual interference problem.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units may be a logic function division, and there may be another division manner when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units described above, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the above-mentioned method of the various embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
1) In the control method of the infrared touch device, first, a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body; then, under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other, and light network shielding information is obtained; and finally, the first controller determines the touch position according to the light network shielding information. The infrared touch device at least comprises an infrared touch screen, namely the infrared touch device can be an independent touch screen or a spliced touch screen, the method is characterized in that whether a second infrared touch screen is spliced around a first touch screen body or not is determined through the first controller, when the second infrared touch screen is detected to be spliced, the first controller scans the touch screen body according to scanning information to acquire the light screen shielding information, and in the scanning process, the emitted light rays of the first touch screen body and the emitted light rays of the second touch screen body are mutually noninterfere, so that the problems that the edge infrared signals of the first infrared touch screen and the edge infrared signals of the second infrared touch screen are possibly mutually interfered, touch control messy points, touch control failure, touch control inaccuracy and the like are caused in the scanning process are avoided, and the determined touch control position is relatively accurate.
2) In the control device of the infrared touch device, the first controller determines whether a second infrared touch screen is spliced on one side of the first touch screen body through the detection unit; under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information through the scanning unit, so that the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other, and light network shielding information is obtained; and through the determining unit, the first controller determines the touch position according to the light network shielding information. The above-mentioned infrared touch device of this application includes an infrared touch screen at least, the above-mentioned infrared touch device can be the solitary touch screen promptly, also can be the touch screen of concatenation, above-mentioned device is through the above-mentioned first infrared touch screen of whether splice around the first touch screen body of above-mentioned first controller determination, when detecting the concatenation has above-mentioned second infrared touch screen, above-mentioned first controller scans above-mentioned touch screen body according to scanning information, acquire above-mentioned light net shielding information, and the transmission light of above-mentioned first touch screen body and the transmission light mutual noninterference of second touch screen body of scanning in-process, when having avoided above-mentioned first infrared touch screen splice around the second infrared touch screen, the edge infrared signal of first infrared touch screen of scanning in-process probably mutual interference with the edge infrared signal of second infrared touch screen, cause touch control messy point, touch control malfunction and touch control inaccurate scheduling problem, the comparatively accurate of the aforesaid touch control position of having guaranteed to confirm.
3) According to the infrared touch system, the infrared touch device comprises at least one infrared touch screen, namely the infrared touch device can be an independent touch screen or a spliced touch screen, the infrared touch screen comprises a touch screen body and a controller, the controller is used for executing any one of the methods, the method is used for determining whether a second infrared touch screen is spliced around the first touch screen body or not through the first controller, when the second infrared touch screen is detected to be spliced, the first controller scans the touch screen body according to scanning information to obtain the light screen shielding information, and in the scanning process, the emitted light of the first touch screen body and the emitted light of the second touch screen body are not interfered with each other, so that the problem that the edge infrared signals of the first infrared touch screen and the edge infrared signals of the second infrared touch screen are possibly interfered with each other in a mutual manner when the second infrared touch screen is spliced around the first infrared touch screen is avoided, the problem that the touch points are out of touch accurately controlled due to the fact that the infrared signals of the first infrared touch screen and the second infrared touch screen are in the scanning process is not detected to be in a fault mode, the touch position of the touch system is accurately determined, and the like.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. A method of controlling an infrared touch device, the infrared touch device comprising at least one infrared touch screen, the infrared touch screen comprising a touch screen body and a controller, the method comprising:
the method comprises the steps that a first controller determines whether a second infrared touch screen is spliced on one side of a first touch screen body, wherein the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen;
under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that emitted light rays of the first touch screen body and emitted light rays of a second touch screen body are not interfered with each other, and light screen shielding information is obtained, wherein the second touch screen body is the touch screen body of the second infrared touch screen;
And the first controller determines a touch position according to the light network shielding information.
2. The method of claim 1, wherein at least the first controller scans the touch screen body according to the scan information so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, to obtain the light-net shielding information, including:
according to the scanning information, the first controller scans the first touch screen body according to a preset direction to obtain the light network shielding information, and meanwhile, the second controller scans the second touch screen body according to the preset direction, wherein the second controller is the controller of the second infrared touch screen.
3. The method of claim 1, wherein at least the first controller scans the touch screen body according to the scan information so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, to obtain the light-net shielding information, including:
according to the scanning information, the first controller scans the first touch screen body to obtain the light network shielding information;
After the scanning is completed, the first controller generates a first preset signal, and the first preset signal is used for triggering a second controller to scan the second touch screen body, wherein the second controller is the controller of the second infrared touch screen;
the first controller transmits the first predetermined signal to the second controller.
4. The method of claim 1, wherein at least the first controller scans the touch screen body according to the scan information so that the emitted light of the first touch screen body and the emitted light of the second touch screen body do not interfere with each other, to obtain the light-net shielding information, including:
when a second preset signal is received, the first controller scans the first touch screen body according to the scanning information to obtain the light net shielding information, wherein the second preset signal is generated after a second controller scans the second touch screen body, and the second controller is the controller of the second infrared touch screen.
5. The method according to any one of claims 1 to 4, wherein, in a case where the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scan information, so that emitted light of the first touch screen body and emitted light of the second touch screen body do not interfere with each other, to obtain optical network shielding information, including:
Under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, at least the first controller scans the touch screen body according to scanning information, so that the emitted light rays of the first touch screen body and the emitted light rays of the second touch screen body are not interfered with each other, and a plurality of infrared signals are obtained;
and the first controller performs preset processing on the infrared signals to obtain the light network shielding information, wherein the preset processing comprises analog-to-digital conversion and filtering processing.
6. The method of any one of claims 1 to 4, wherein the touch screen body comprises a touch frame comprising a plurality of infrared emitters and a plurality of infrared receivers disposed in opposition, the scan information comprising scan parameters and brightness parameters of the infrared emitters.
7. A control device for an infrared touch device, the infrared touch device comprising at least one infrared touch screen, the infrared touch screen comprising a touch screen body and a controller, the device comprising:
the detection unit is used for determining whether a second infrared touch screen is spliced on one side of a first touch screen body or not by a first controller, wherein the first controller is the controller of the first infrared touch screen, and the first touch screen body is the touch screen body of the first infrared touch screen;
The scanning unit is used for scanning the touch screen body according to scanning information at least under the condition that the second infrared touch screen is spliced on one side of the first touch screen body, so that emitted light rays of the first touch screen body and emitted light rays of the second touch screen body are not interfered with each other, and light net shielding information is obtained, wherein the second touch screen body is the touch screen body of the second infrared touch screen;
and the determining unit is used for determining the touch position by the first controller according to the light network shielding information.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein the program performs the method of any one of claims 1 to 6.
9. A processor for running a program, wherein the program when run performs the method of any one of claims 1 to 6.
10. An infrared touch system, comprising:
an infrared touch device comprising at least one infrared touch screen, the infrared touch screen comprising a touch screen body and a controller, the controller comprising a control program for performing the method of any one of claims 1 to 6.
CN202210044872.2A 2022-01-14 2022-01-14 Control method of infrared touch device and infrared touch system Pending CN116483224A (en)

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