CN111240530A - Multi-point touch method of cylindrical touch display device - Google Patents
Multi-point touch method of cylindrical touch display device Download PDFInfo
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- CN111240530A CN111240530A CN202010018571.3A CN202010018571A CN111240530A CN 111240530 A CN111240530 A CN 111240530A CN 202010018571 A CN202010018571 A CN 202010018571A CN 111240530 A CN111240530 A CN 111240530A
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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
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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Abstract
The invention discloses a multi-point touch method of a cylindrical touch display device, wherein the cylindrical touch display device comprises: the device comprises a cylindrical LED display screen, a plurality of infrared transmitting ends, an infrared receiving end and a plurality of control hosts; the cylindrical LED display screen comprises a plurality of LED display units; the infrared receiving device receives a plurality of beams of infrared rays emitted by the infrared emitting device, and an infrared detection network covering the cylindrical LED display screen is formed outside the cylindrical LED display screen; the control host is preset with a corresponding control area, the control area comprises a plurality of infrared touch areas, the control host acquires position information of each touch point in the corresponding control area, so that the infrared touch area where each touch point is located is determined, and then the corresponding LED display unit is controlled to execute a preset touch response event. The embodiment of the invention can solve the multi-point interaction problem of the cylindrical LED display device.
Description
Technical Field
The invention relates to the technical field of infrared touch control, in particular to a multi-point touch control method of a cylindrical touch control display device.
Background
The LED dot matrix screen is composed of LEDs (light emitting diodes), displays characters, pictures, animation, video and the like by turning on and off the lamp beads, is a display device with all parts modularized, and generally comprises a display module, a control system and a power supply system. The LED display screen is divided into a picture-text display screen and a video display screen which are both composed of LED matrix blocks. The image-text display screen can synchronously display Chinese characters, English texts and graphics with the computer; the video display screen is controlled by a microcomputer, combines pictures and texts and images, plays various information in a real-time, synchronous and clear information transmission mode, and can also display two-dimensional and three-dimensional animation, video, television and VCD programs and live scenes. The LED display screen has bright color and strong stereoscopic impression, is static like oil paintings, is dynamic like movies, and is widely applied to stations, docks, airports, markets, hospitals, hotels, banks, stock markets, building markets, auction houses, industrial enterprise management and other public places.
In order to better show that a cylindrical LED display device (with the publication number of CN208189147U) exists in the prior art, the cylindrical LED display device can enable a user to watch pictures generated by the LED display device at different directions and different angles relatively to a planar LED display device, but the requirements of man-machine interaction of a plurality of people at different directions in the same time, namely the requirement of multi-point interaction, can not be met.
Disclosure of Invention
The embodiment of the invention provides a multi-point touch method of a cylindrical touch display device, which can respond to touch operations in different directions at the same time and solve the problem of multi-point interaction of the cylindrical LED display device.
An embodiment of the present invention provides a multi-touch method for a cylindrical touch display device, where the method is applied to the cylindrical touch display device, and the cylindrical touch display device includes: the device comprises a cylindrical LED display screen, an infrared transmitting device, an infrared receiving device and a plurality of control hosts; the cylindrical LED display screen comprises a plurality of LED display units, and the infrared emission device comprises a plurality of infrared emission ends which are annularly arranged according to a preset interval; the infrared receiving device comprises a plurality of infrared receiving ends which are arranged corresponding to the infrared transmitting ends; the infrared receiving device receives a plurality of beams of infrared rays emitted by the infrared emitting device, and an infrared detection net covering the cylindrical LED display screen is formed outside the cylindrical LED display screen; each control host is preset with a corresponding control area, each control area comprises a plurality of infrared touch areas, and each infrared touch area comprises a plurality of LED display units; each control host is connected with the LED display unit, the infrared transmitting end and the infrared receiving end in the corresponding control area;
each control host acquires the position information of each touch point in the corresponding control area according to the infrared detection network;
determining an infrared touch area where each touch point is located according to the position information of each touch point;
and controlling the LED display unit of the infrared touch area where each touch point is located to execute a preset touch response event.
Furthermore, each control host is further configured to respond to a sliding operation of a user in each corresponding infrared touch area, and obtain touch start position information and touch end position information of the sliding operation through the infrared detection network;
determining the sliding direction of the sliding operation according to the touch starting point position information and the touch end point position information;
and controlling the LED display units in the infrared touch areas according to the touch starting point position information, the touch end point position information and the sliding direction, and executing a preset sliding response event.
Furthermore, the cylindrical touch display device further comprises a cylindrical support frame, and the cylindrical LED display screen is fixed on the cylindrical support frame.
Furthermore, the cylindrical touch display device further comprises cylindrical mirror glass, and the cylindrical mirror glass is arranged between the cylindrical LED display screen and the infrared detection net.
Furthermore, the cylindrical touch display device is a vertical touch display device, the infrared emitting device is fixed on a ceiling, and the infrared receiving device is fixed on the ground.
The embodiment of the invention has the following beneficial effects:
the invention provides a multi-point touch method of a cylindrical touch display device, which is suitable for the cylindrical touch display device, the cylindrical touch display device is provided with a plurality of infrared transmitting ends and infrared receiving ends, an infrared receiving device receives a plurality of infrared rays emitted by the infrared transmitting device, an infrared detection net covering the cylindrical LED display screen is formed outside the cylindrical LED display screen, the cylindrical touch display device comprises a plurality of control hosts, each control host is provided with a corresponding control area, each control area is internally provided with a plurality of infrared touch areas, each infrared touch area is provided with a plurality of LED display units, thus an integral cylindrical LED display screen is divided into a plurality of infrared touch areas, when different users perform touch operation in different directions of the cylindrical LED display screen (for example, when the users click a certain point with fingers), the propagation of the infrared rays of the corresponding touch point is blocked, the control host connected with the infrared transmitting device and the infrared receiving device corresponding to the infrared ray with blocked transmission can acquire the position information of the touch point, then judge the infrared touch area to which the touch point belongs, and then control the LED display unit of the infrared touch area to execute the preset touch response. The cylindrical LED display screen is divided into control areas, LED display units, infrared transmitting ends and infrared receiving ends of different control areas are connected with corresponding control hosts, then the control areas are divided into a plurality of infrared touch areas, each infrared touch area serves as an independent response unit and independently responds to the operation of a user, so that the whole cylindrical LED display screen is divided into a plurality of infrared touch areas, when different users perform touch operation in different infrared touch areas, each control host respectively controls each infrared touch area in the corresponding control area, touch response events are executed, and multi-point touch of the cylindrical LED display screen is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a cylindrical touch display device according to an embodiment of the invention.
Fig. 2 is an expanded schematic view of a cylindrical LED display screen in an embodiment of the present invention.
Fig. 3 is a schematic unfolding view of the cylindrical support frame in the embodiment of the invention.
Fig. 4 is a schematic diagram of the arrangement positions of the infrared transmitting device and the infrared receiving device in the embodiment of the invention.
Fig. 5 is a schematic structural diagram of a connection between a cylindrical LED display screen and a control host according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a multi-touch method for a cylindrical touch display device, which is suitable for the cylindrical touch display device, and the cylindrical touch display device includes: the device comprises a cylindrical LED display screen, an infrared transmitting device, an infrared receiving device and a plurality of control hosts; the cylindrical LED display screen comprises a plurality of LED display units, and the infrared emission device comprises a plurality of infrared emission ends which are annularly arranged according to a preset interval; the infrared receiving device comprises a plurality of infrared receiving ends which are arranged corresponding to the infrared transmitting ends; the infrared receiving device receives a plurality of beams of infrared rays emitted by the infrared emitting device, and an infrared detection net covering the cylindrical LED display screen is formed outside the cylindrical LED display screen; each control host is preset with a corresponding control area, each control area comprises a plurality of infrared touch areas, and each infrared touch area comprises a plurality of LED display units; each control host is connected with the LED display unit, the infrared transmitting end and the infrared receiving end in the corresponding control area;
each control host acquires the position information of each touch point in the corresponding control area according to the infrared detection network;
determining an infrared touch area where each touch point is located according to the position information of each touch point;
and controlling the LED display unit of the infrared touch area where each touch point is located to execute a preset touch response event.
First, the structure of the cylindrical touch display device disclosed in the present application will be described in detail below:
an embodiment of the present invention provides a cylindrical touch display device, including: the device comprises a cylindrical LED display screen, an infrared transmitting device and an infrared receiving device; the cylindrical LED display screen, the infrared transmitting device and the infrared receiving device are all connected with a control host; the infrared emission device comprises a plurality of infrared emission ends which are annularly arranged according to a preset interval; the infrared receiving device comprises a plurality of infrared receiving ends which are arranged corresponding to the infrared transmitting ends; and the infrared receiving device receives a plurality of beams of infrared rays emitted by the infrared emitting device, and an infrared detection network covering the cylindrical LED display screen is formed outside the cylindrical LED display screen.
The invention is provided with a plurality of annularly arranged infrared transmitting ends and a plurality of corresponding infrared receiving ends; the infrared rays emitted by each infrared emitting end are received by the corresponding infrared receiving end, so that a cylindrical infrared detection network consisting of a plurality of infrared rays is formed on the periphery of the LED display screen, and the contact position information of a user can be sensed by the control host machine through the infrared detection network and the existing infrared touch screen technology, so that the operation response is realized, and the problem of interaction with the user is solved. It should be noted that the control host receives the user touch location information through the infrared detection network, so as to implement the operation response, which belongs to the existing infrared touch screen technology, and the method of the present invention is not improved.
In a preferred embodiment, the LED display screen further comprises a cylindrical support frame, and the cylindrical LED display screen is fixed on the cylindrical support frame.
In a preferred embodiment, the infrared detection device further comprises cylindrical mirror glass, and the cylindrical mirror glass is arranged between the cylindrical LED display screen and the infrared detection net. By adding a layer of mirror glass between the cylindrical LED display screen and the infrared detection net, the 'granular feeling' of a user when watching at a distance can be eliminated, and the watching effect is improved.
In a preferred embodiment, the cylindrical touch display device is a floor-standing touch display device, the top of the cylindrical mirror glass is embedded in a ceiling, and the bottom of the cylindrical mirror glass is embedded in a floor.
In a preferred embodiment, the infrared emitting device is fixed to the ceiling and the infrared receiving device is fixed to the ground.
The following describes a cylindrical touch display device provided by the present invention with reference to the accompanying drawings:
as shown in fig. 1, the whole cylindrical touch display device includes a three-layer structure, which is from inside to outside: a cylindrical LED display screen, cylindrical mirror glass and an infrared detection net (not shown in figure 1);
as shown in fig. 2, the cylindrical LED display screen is composed of a plurality of LED display units, each small square drawn in the figure represents one LED display unit, and is composed of a plurality of LED display units.
Preferably, the cylindrical LED display screen is fixed on a cylindrical support frame welded by square steel, as shown in fig. 3, fig. 3 is an expanded schematic view of the cylindrical support frame, and each square in fig. 3 is used for fixing one LED display unit.
The preferred structure of one deck at the outside of cylinder formula LED display screen is one deck cylinder formula mirror surface glass, and the preferred grey mirror surface membrane that can adopt pastes on the glass surface, sets up the main objective of this one deck structure, and is one granule when the LED lamp, and the user can feel whole picture granular sensation again when watching closely, and the display effect closely of picture is poor, consequently eliminates this kind of granular sensation through one deck cylinder formula mirror surface glass to improve the bandwagon effect of whole picture.
The cylindrical support frame, the cylindrical LED display screen and the cylindrical mirror glass form a main body part of the cylindrical touch display device, and the cylindrical touch display device further comprises an infrared transmitting device and an infrared receiving device besides the main body part. It should be noted that the infrared transmitting device mentioned here is formed by annularly arranging a plurality of infrared transmitting terminals at a certain interval, and similarly, the infrared receiving device is formed by annularly arranging a plurality of infrared receiving terminals at a certain interval, and the infrared transmitting terminals correspond to the infrared receiving terminals one to one.
The infrared emission device emits a plurality of beams of infrared rays to the infrared receiving end corresponding to the infrared receiving device through each infrared emission end, and then a cylindrical infrared detection network is formed on the outermost layer of the main body of the touch display device, which is a cylinder.
In a preferred embodiment of the present invention, the cylindrical touch display device is in a standing type, that is, the main body of the cylindrical touch display device is in a standing type, the top of the whole main body is embedded in a ceiling, the bottom of the main body is embedded in a ground, the infrared emitting ends of the infrared emitting devices are annularly distributed on the ceiling along the peripheral area of the top of the whole main body, and the infrared receiving ends of the infrared receiving devices are annularly distributed on the ground along the peripheral area of the bottom of the whole main body, as shown in fig. 4 in particular.
In other embodiments, of course, the top of the main body of the cylindrical touch display device may not be embedded into the ceiling, and the bottom of the main body may not be embedded into the ground, so that the top and the bottom of the cylindrical support frame need to extend outward to form each welding point, each infrared emitting end is welded to each welding point on the top of the cylindrical support frame, and each infrared receiving end is welded to each welding point on the bottom of the cylindrical support frame. So that an infrared detection net can be formed at the periphery of the cylindrical LED display screen.
The cylindrical touch display device further includes 3 control hosts, as shown in fig. 5, each of the 3 control hosts preferably controls the LED display units in different areas, and the control hosts are connected to the respective LED display units and to the respective infrared emitting terminals and infrared receiving terminals (not shown in fig. 5).
The following description is directed to a control method applied to the cylindrical touch display device:
firstly, the cylindrical touch display screen of the cylindrical touch display device is divided into control areas, LED display units, infrared transmitting ends and infrared receiving ends in different control areas are connected with corresponding control hosts, then the control areas are divided into a plurality of infrared touch areas, and each infrared touch area is used as an independent response unit to independently respond to the operation of a user.
The steps executed by each control host are as follows:
and A, the control host acquires the position information of each touch point in the corresponding control area according to the infrared detection network.
And B, determining the infrared touch area where each touch point is located according to the position information of each touch point.
And C, controlling an LED display unit of the infrared touch area where each touch point is located to execute a preset touch response event.
In step a, it should be noted that in this step, the "touch point" described herein may be understood as a point where a user touches the screen with a finger, and in addition, a plurality of infrared touch areas are located in the same control area, and different infrared touch areas serve as an independent response unit, and a plurality of users may perform touch operations in the same control area.
And C, after the control host computer learns the position information of each touch point in the step B, determining the infrared touch area where each touch point is located according to the range of each infrared touch area.
For step C, the touch response event may be a change of the screen of each LED display unit, and the like.
In a preferred embodiment, each of the control hosts is further configured to respond to a sliding operation of a user in each corresponding infrared touch area, and acquire touch start position information and touch end position information of the sliding operation through the infrared detection network; determining the sliding direction of the sliding operation according to the touch starting point position information and the touch end point position information; and controlling the LED display units in the infrared touch areas according to the touch starting point position information, the touch end point position information and the sliding direction, and executing a preset sliding response event. This embodiment is to perform a preset slide response event after responding to the slide operation.
The embodiment of the invention provides a multi-point touch method of a cylindrical touch display device, which is suitable for the cylindrical touch display device, the cylindrical touch display device is provided with a plurality of infrared transmitting ends and infrared receiving ends, an infrared receiving device receives a plurality of infrared rays emitted by the infrared transmitting devices, an infrared detection net covering the cylindrical LED display screen is formed outside the cylindrical LED display screen, the cylindrical touch display device comprises a plurality of control hosts, each control host is provided with a corresponding control area, each control area is internally provided with a plurality of infrared touch areas, each infrared touch area is provided with a plurality of LED display units, thus the integral cylindrical LED display screen is divided into a plurality of infrared touch areas, when different users perform touch operation in different directions of the cylindrical LED display screen (for example, when the users click a certain point with fingers), the propagation of the infrared rays corresponding to the touch point is blocked, the control host connected with the infrared transmitting device and the infrared receiving device corresponding to the infrared ray with blocked transmission can acquire the position information of the touch point, then judge the infrared touch area to which the touch point belongs, and then control the LED display unit of the infrared touch area to execute the preset touch response. The cylindrical LED display screen is divided into control areas, LED display units, infrared transmitting ends and infrared receiving ends of different control areas are connected with corresponding control hosts, then the control areas are divided into a plurality of infrared touch areas, each infrared touch area serves as an independent response unit and independently responds to the operation of a user, so that the whole cylindrical LED display screen is divided into a plurality of infrared touch areas, when different users perform touch operation in different infrared touch areas, each control host respectively controls each infrared touch area in the corresponding control area, touch response events are executed, and multi-point touch of the cylindrical LED display screen is achieved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (5)
1. A multi-touch method of a cylindrical touch display device is suitable for the cylindrical touch display device, and the cylindrical touch display device comprises: the device comprises a cylindrical LED display screen, an infrared transmitting device, an infrared receiving device and a plurality of control hosts; the cylindrical LED display screen comprises a plurality of LED display units, and the infrared emission device comprises a plurality of infrared emission ends which are annularly arranged according to a preset interval; the infrared receiving device comprises a plurality of infrared receiving ends which are arranged corresponding to the infrared transmitting ends; the infrared receiving device receives a plurality of beams of infrared rays emitted by the infrared emitting device, and an infrared detection net covering the cylindrical LED display screen is formed outside the cylindrical LED display screen; each control host is preset with a corresponding control area, each control area comprises a plurality of infrared touch areas, and each infrared touch area comprises a plurality of LED display units; each control host is connected with the LED display unit, the infrared transmitting end and the infrared receiving end in the corresponding control area;
each control host acquires the position information of each touch point in the corresponding control area according to the infrared detection network;
determining an infrared touch area where each touch point is located according to the position information of each touch point;
and controlling the LED display unit of the infrared touch area where each touch point is located to execute a preset touch response event.
2. The multi-touch method of a cylindrical touch display device according to claim 1, wherein each of the control hosts is further configured to respond to a sliding operation of a user in a corresponding infrared touch area, and obtain touch start position information and touch end position information of the sliding operation through the infrared detection network;
determining the sliding direction of the sliding operation according to the touch starting point position information and the touch end point position information;
and controlling the LED display units in the infrared touch areas according to the touch starting point position information, the touch end point position information and the sliding direction, and executing a preset sliding response event.
3. The multi-touch method of a cylindrical touch display device according to claim 1, wherein the cylindrical touch display device further comprises a cylindrical support frame, and the cylindrical LED display screen is fixed on the cylindrical support frame.
4. The multi-touch method of a cylindrical touch display device according to claim 3, wherein the cylindrical touch display device further comprises a cylindrical mirror glass, and the cylindrical mirror glass is disposed between the cylindrical LED display screen and the infrared detection net.
5. The multi-touch method of a cylindrical touch display device according to claim 4, wherein the cylindrical touch display device is a floor-standing touch display device, the infrared emitting device is fixed on a ceiling, and the infrared receiving device is fixed on a floor.
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| CN111240530B (en) | 2020-11-10 |
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