CN211791765U - Solid-state laser radar touch television - Google Patents
Solid-state laser radar touch television Download PDFInfo
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- CN211791765U CN211791765U CN202020230753.2U CN202020230753U CN211791765U CN 211791765 U CN211791765 U CN 211791765U CN 202020230753 U CN202020230753 U CN 202020230753U CN 211791765 U CN211791765 U CN 211791765U
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Abstract
The utility model discloses a solid-state laser radar touch television, which belongs to the technical field of laser radar touch control and mainly solves the problems that the prior art has a complex structure and is difficult to popularize and apply on a large scale; the television display is fixed on a wall body, and is characterized in that: the television display device is characterized by further comprising a laser radar, a data processing module and a touch writing board, wherein the laser radar is connected with the computer host in a wired or wireless mode, the touch writing board is fixed on a wall body through a fixing device and covers the television display, and the laser radar is fixed on the wall body and is positioned above the touch writing board; the data processing module runs on the computer host, receives point cloud data sent by the laser radar, detects a touch event of a user on the touch writing board after algorithm processing, and sends the touch event to an application program to complete a touch interaction function.
Description
Technical Field
The utility model belongs to the technical field of the laser radar touch-control, concretely relates to solid-state laser radar touch TV.
Background
At present, a common conference room is provided with a wall-mounted television for demonstrating ppt and the like, and the conference room provided with a large-screen touch screen is very limited, one reason is that the conference room is expensive, small in size, not waterproof, not shockproof, not bumping and not smashing. How to make full use of current wall-hanging TV screen, can have the effect of touch-sensitive screen again is the problem that urgently needs to solve, does not have similar product in the present market yet.
The laser radar touch technology is not applied to the education industry at present, particularly in the traditional blackboard teaching, the blackboard teaching is always a medium for interaction between teachers and students, but in the electronic and digital teaching reform, more than 30% of classrooms are provided with electronic whiteboards and projectors, and the electronic whiteboards and the projectors play a great auxiliary role in teaching; whiteboard is a very convenient audio-visual teaching tool, but whiteboard exists not enoughly: namely, the high-cost, heavy, small-size, generally below 80 inches, and the mass above 40kg, is not waterproof, shockproof, collision-free and smashing-free. In addition, more than 95% of classrooms are equipped with a projection curtain and a projector, and the projector can only passively play contents and cannot meet interactive operation in the teaching process.
Chinese patent No. 201821150790.1, entitled "a non-contact virtual touch device", provides a non-contact virtual touch device, including: the guide rail platform is vertical to the display equipment, arranged above the display equipment and connected with the bracket in a turnover manner through the rotary connecting part; one end of the guide rail, which is far away from the display equipment, is provided with a sensing camera device, and the other end of the guide rail is provided with a laser light source. The technical scheme has more related parts, and adopts a sensing camera device, so that touch interaction is complicated, and the system cost is high;
chinese patent application No. 201910190662.2, patent name "interactive system of integrated radar" provides an interactive system of integrated radar, this system integration radar module and with the host computer that the radar module is connected, its characterized in that: the radar module is integrated at a fixed position of the system to form an interactive system. The touch interactive systems with different sizes are met by the number of the radar modules; the radar module is a radar module of radio frequency signals. The technical scheme has the problems that the precision is not high, the user cannot continuously write with a finger, the user cannot continuously draw a picture with high precision with the finger, the calibration is complex, the user is easily interfered and the like, and the user experience is poor in the actual use process.
The common remote video conference system in the prior art can not be touched, written by fingers, zoomed in and zoomed out, can not draw key points, can not send a bullet screen, can not send characters and photos, can not send characters and videos, can not send jobs, can not send test papers and roll calls, needs 4 ten thousand yuan for the cost of 10 branch companies, can not be used as a common white board, and can not be written by a white board pen.
At present, some schools adopt 80-inch touch liquid crystal display screen teaching, cannot write with a whiteboard pen, are often broken, cannot realize the PPT and video function, cannot accept a barrage, cannot send characters and pictures remotely, cannot send characters and videos remotely, cannot roll a roll, cannot accept documents, cannot send jobs and cannot send test papers, and the price is 3 to 5 thousands.
Disclosure of Invention
The utility model discloses a solve present touch-control screen size less and the structure is complicated, and is waterproof, does not take precautions against earthquakes, does not bump, does not pound, can not write as ordinary whiteboard pen for the whiteboard, is difficult to the problem of extensive popularization and application, provides solid-state laser radar touch TV.
The utility model discloses a solve above-mentioned technical problem and the technical scheme who takes is:
solid-state laser radar touch TV, including computer host computer and display, the computer host computer passes through wired or wireless mode and is connected with the display, the TV display is fixed in on the wall body, and its characteristics are: the television display device is characterized by further comprising a laser radar, a data processing module and a touch writing board, wherein the data processing module and the touch writing board are located in the computer host, the laser radar is connected with the computer host in a wired or wireless mode, the touch writing board is fixed on a wall through a fixing device and covers the television display, and the laser radar is fixed on the wall and is located above the touch writing board;
the periphery of the side surface of the television display is provided with a backlight lamp which is beneficial to writing on the touch writing board;
light-colored cushion strips are arranged around the surface of the television display;
when a touch mode is selected, a computer host is started, the data processing module runs on the computer host, receives point cloud data sent by a laser radar, detects a touch event of a user on the touch writing board after algorithm processing, and sends the touch event to an application program to complete a touch interaction function;
when the computer is turned off, the whiteboard pen can be used for writing on the touch writing board;
the touch writing board is made of colorless transparent toughened glass; the tempered glass needs to have certain degree of astringency to facilitate writing;
the wired connection mode comprises a 100M Ethernet network, a USB serial port and an RS232 serial port, and the wireless connection mode comprises Bluetooth and Wi-Fi.
The laser radar is a 2D laser radar and emits an optical mode to cover the touch writing board; when a user touches the touch writing board, the light film is blocked, and the light film is detected by the laser radar and the position coordinate information is calculated;
the laser radar is a solid laser radar and does not contain moving parts;
the angular resolution of the laser radar is less than or equal to 0.15 DEG, and the precision is 1 mm;
the laser radar is also provided with a fine adjustment mechanism, and the angle of the emitted optical film is adjusted through the fine adjustment mechanism so that the emitted optical film is parallel to the imaging plane;
the touch interaction method of the solid laser radar touch television is characterized by comprising the following steps: the method comprises the following steps:
fixing a laser radar above a touch writing board, and ensuring that an optical film emitted by the laser radar covers and is parallel to an imaging area through a fine adjustment mechanism;
secondly, acquiring point cloud data of the imaging area sent by the laser radar through a data processing module arranged in a computer host;
thirdly, filtering and clustering the point cloud data by a data processing module to extract touch point coordinates;
step four, the data processing module transforms the coordinates of the touch points to the upper surface of a display coordinate system from a laser radar coordinate system;
and step five, the data processing module sends the final touch event to the application program.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model adopts a miniaturized and low-cost solid laser radar, a computer host and the like to form a touch interactive system, which is easy to popularize and use; the solid laser radar is simple to install and debug and easy to use and maintain; the miniaturized solid-state laser radar does not contain moving parts, is waterproof, shockproof, anti-collision and anti-smashing, can be used as a common whiteboard pen for writing, and is stable in system operation and long in service life.
The utility model can be used for a remote video conference system and a training and teaching system, can be touched and written by hands, can be enlarged and reduced by hands, supports 40 points to touch simultaneously, can be used for interactive touch multimedia courses, can play interactive touch games, can be interactive remotely, can launch barrage, can launch characters and photos remotely, can launch characters and videos remotely, can call a roll, send a job, judge the job, push PPT before meeting, display PPT and video on a mobile phone at the same time, a computer with a foreground, and the backstage control of cell-phone, backstage cell-phone can see branch company owner's barrage, and the inquiry of owner, file and pronunciation that all people sent can write with ordinary whiteboard pen when not adding the electricity, the utility model discloses can support 100 minutes meeting places, the price is only one tenth of the similar product of prior art.
The utility model is used for teaching or long-range video conference, can realize the barrage, can roll the call, can send the operation, judge the operation, can realize 40 touch, can do interactive touch multimedia course, can play interactive touch recreation, can realize different intelligent gesture touches, can send the paper and judge the paper, can realize PPT and long-range video show simultaneously, long-range characters and photo can be sent, long-range characters and video can be sent, the speaker can share received photo or video for all personnel, can write in real time and record the screen, can directly reform transform by the current blackboard of transfinition, the price is prior art 1/10, the touch-sensitive screen size reaches 100 inches.
Drawings
FIG. 1 is a schematic structural view of the utility model;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Wherein: 1-computer host; 2-a television display; 2-1 — backlight; 2-2, pressing strips with light color; 3-laser radar; 4-touch writing board; 5, a fixing device; 6, a wall body.
Detailed Description
As shown in fig. 1 and 2, the solid-state lidar touch television comprises a computer host 1 and a television display 2, wherein the computer host 1 is connected with the television display 2 in a wired or wireless manner, and the television display 2 is fixed on a wall 6, and is characterized in that: the computer system is characterized by further comprising a laser radar 3, a data processing module and a touch writing board 4, wherein the data processing module and the touch writing board 4 are located in the computer host, the laser radar 3 is connected with the computer host 1 in a wired or wireless mode, the touch writing board 4 is fixed on a wall body 6 through a fixing device 5, as shown in figure 1, and covers the television display 2, and the laser radar 3 is fixed on the wall body 6 and located above the touch writing board 4;
a backlight 2-1 which is beneficial to writing on the touch writing board is arranged on the periphery of the side surface of the television display 2;
light-colored cushion strips 2-2 are arranged on the periphery of the surface of the television display;
when a touch mode is selected, starting a computer host 1, operating a data processing module on the computer host 1, receiving point cloud data sent by a laser radar, detecting a touch event of a user on the touch writing board 4 after algorithm processing, and sending the touch event to an application program to finish a touch interaction function;
when the writing mode is selected, the whiteboard pen can be used for writing on the touch writing board 4;
the wired connection mode comprises a 100M Ethernet network, a USB serial port and an RS232 serial port, and the wireless connection mode comprises Bluetooth and Wi-Fi.
The touch writing board 4 is made of colorless transparent toughened glass; the tempered glass needs to have certain degree of astringency to facilitate writing;
the laser radar 3 is a 2D laser radar and emits an optical mode to cover the touch writing board 4; when a user touches the touch writing board 4, the light film is blocked, and the light film is detected by the laser radar 3 and the position coordinate information is calculated;
the laser radar 3 is a solid laser radar and does not contain moving parts;
the angular resolution of the laser radar 3 is less than or equal to 0.15 degrees, and the precision is 1 mm;
the laser radar 3 is also provided with a fine adjustment mechanism, and the angle of the emitted optical film is adjusted through the fine adjustment mechanism, so that the emitted optical film is parallel to the imaging plane;
the touch interaction method of the solid laser radar touch television is characterized by comprising the following steps: the method comprises the following steps:
fixing a laser radar 3 above a touch writing board 4, and ensuring that an optical film emitted by the laser radar covers and is parallel to an imaging area through a fine adjustment mechanism;
secondly, acquiring point cloud data of the imaging area sent by the laser radar 3 by a data processing module arranged in the computer host 1;
thirdly, filtering and clustering the point cloud data by a data processing module to extract touch point coordinates;
step four, the data processing module transforms the coordinates of the touch points to the upper surface of a display coordinate system from a laser radar coordinate system;
and step five, the data processing module sends the final touch event to the application program.
Claims (8)
1. Solid-state laser radar touch TV, including computer (1) and TV display (2), computer (1) is connected with TV display (2) through wired or wireless mode, TV display (2) are fixed in on wall body (6), characterized by: the television display screen is characterized by further comprising a laser radar (3), a data processing module and a touch writing board (4), wherein the data processing module and the touch writing board are located in the computer host, the laser radar (3) is connected with the computer host (1) in a wired connection mode or a wireless connection mode, the touch writing board (4) is fixed on a wall body (6) through a fixing device (5) and covers the television display (2), and the laser radar (3) is fixed on the wall body (6) and located above the touch writing board (4);
when a touch mode is selected, a computer host (1) is started, the data processing module runs on the computer host (1), receives point cloud data sent by a laser radar, detects a touch event of a user on the touch writing board (4) after algorithm processing, and sends the touch event to an application program to complete a touch interaction function;
when the computer is turned off, the whiteboard pen can be used for writing on the touch writing board (4).
2. The solid state lidar touch television of claim 1, wherein: a backlight lamp (2-1) which is beneficial to writing on the touch writing board is arranged on the periphery of the side surface of the television display (2); light-colored cushion strips (2-2) are arranged on the periphery of the surface of the television display (2).
3. The solid state lidar touch television of claim 1, wherein: the wired connection mode comprises an Ethernet network, a USB serial port and an RS232 serial port, and the wireless connection mode comprises Bluetooth and Wi-Fi.
4. The solid state lidar touch television of claim 1, wherein: the touch writing board (4) is made of colorless transparent tempered colored glaze; the tempered glass needs to have certain astringency to facilitate writing.
5. The solid state lidar touch television of claim 1, wherein: the laser radar (3) is a 2D laser radar and emits a light mode to cover the touch writing board (4); when a user touches the touch writing board (4), the light film is blocked, and the light film is detected by the laser radar (3) and the position coordinate information is calculated.
6. The solid state lidar touch television of claim 1, wherein: the laser radar (3) is a solid laser radar and does not contain moving parts.
7. The solid state lidar touch television of claim 1, wherein: the angular resolution of the laser radar (3) is less than or equal to 0.15 degrees, and the precision is 1 mm.
8. The solid state lidar touch television of claim 1, wherein: the laser radar (3) is also provided with a fine adjustment mechanism, and the angle of the emitted optical film is adjusted through the fine adjustment mechanism, so that the emitted optical film is parallel to the imaging plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020230753.2U CN211791765U (en) | 2020-03-01 | 2020-03-01 | Solid-state laser radar touch television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020230753.2U CN211791765U (en) | 2020-03-01 | 2020-03-01 | Solid-state laser radar touch television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211791765U true CN211791765U (en) | 2020-10-27 |
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ID=72911190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020230753.2U Expired - Fee Related CN211791765U (en) | 2020-03-01 | 2020-03-01 | Solid-state laser radar touch television |
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| Country | Link |
|---|---|
| CN (1) | CN211791765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314637A (en) * | 2020-03-01 | 2020-06-19 | 北京联控科技发展有限公司 | Solid-state laser radar touch television |
| CN114913722A (en) * | 2022-06-20 | 2022-08-16 | 河南平显科技有限公司 | Intelligent blackboard with systematization function |
-
2020
- 2020-03-01 CN CN202020230753.2U patent/CN211791765U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314637A (en) * | 2020-03-01 | 2020-06-19 | 北京联控科技发展有限公司 | Solid-state laser radar touch television |
| CN114913722A (en) * | 2022-06-20 | 2022-08-16 | 河南平显科技有限公司 | Intelligent blackboard with systematization function |
| CN114913722B (en) * | 2022-06-20 | 2024-01-30 | 河南平显科技有限公司 | Intelligent blackboard with systemization function |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |