CN211180793U - Infrared touch pen and infrared interaction system - Google Patents
Infrared touch pen and infrared interaction system Download PDFInfo
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- CN211180793U CN211180793U CN201922317844.XU CN201922317844U CN211180793U CN 211180793 U CN211180793 U CN 211180793U CN 201922317844 U CN201922317844 U CN 201922317844U CN 211180793 U CN211180793 U CN 211180793U
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Abstract
The utility model relates to an infrared touch-control pen, nib pressure sensor, infrared transceiver, controller, communication module and the power including nib, handwriting and arrange the inside nib pressure sensor of handwriting in, the controller respectively with nib pressure sensor, infrared transceiver and communication module electrical connection, the nib pressure sensor is connected with the nib. Compared with the prior art, the multi-user interactive writing can be realized.
Description
Technical Field
The utility model belongs to the technical field of infrared touch-sensitive screen and specifically relates to an infrared touch-control pen and infrared interactive system are related to.
Background
The application of stylus in infrared touch-sensitive screen is mature relatively, and traditional stylus is mostly passive equipment, can not be with infrared touch-sensitive screen communication interaction, therefore infrared touch-sensitive screen can not effectively detect the user and write pressure, in addition because infrared touch-sensitive screen frame section bar has certain thickness, leads to traditional stylus just to have produced touch signal when not touching the touch-sensitive screen face to cause the erroneous judgement. According to the patent publication nos. CN106775014A, CN110399050A, CN110396234A and the like, a number of improvements and applications of touch pens in infrared touch screens are disclosed, wherein CN110399050A is an infrared touch pen and infrared virtual touch, an infrared emission module is passively controlled by a pen point thimble to be switched on and off, when a plurality of touch pens are touched and interacted simultaneously, a plurality of light spots are formed simultaneously, which causes signal disorder of the infrared touch screen and can not effectively detect touch points. When a plurality of touch pens write simultaneously, the infrared touch screen cannot detect and match the pressure values of the touch pens, which brings great inconvenience to multi-user interactive application of large-size infrared touch screens (such as touch walls, electronic whiteboards and the like) and seriously affects touch interactive experience.
Therefore, it is urgently needed to provide a stylus with pressure detection capable of multi-user interactive writing.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an infrared touch pen and an infrared interactive system for overcoming the above-mentioned drawbacks of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an infrared touch-control pen, includes nib, handwriting and arranges nib pressure sensor, infrared transceiver, controller, communication module and the power in handwriting inside in, the controller respectively with nib pressure sensor, infrared transceiver and communication module electrical connection, the nib pressure sensor is connected with the nib.
The nib pressure sensor include interconnect's elastic component and conductive rubber piece, conductive rubber piece and controller electrical connection, the elastic component is connected with the nib.
The communication module comprises a radio frequency unit and an antenna which are connected with each other, the radio frequency unit is arranged inside the pen body, and the antenna is arranged on the surface of the pen body.
The antenna is a loop antenna, and the loop antenna is embedded in the surface of the pen body.
The controller comprises an A/D conversion unit, and the A/D conversion unit is electrically connected with the pen point pressure sensor.
The communication module is a 2.4G communication module or a 5G communication module.
The infrared interaction system comprises the infrared touch pen, an infrared touch screen and a system controller, wherein the system controller is in wireless connection with the communication module, and the system controller is electrically connected with the infrared touch screen.
The system controller is electrically connected with the infrared touch screen through a USB cable or a serial port cable.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the system controller can judge whether each touch pen contacts the infrared touch screen or not, so that the whole interaction process is more accurate; the system controller can allocate exclusive IDs to the touch pens in interaction, so that the interaction state of each infrared touch pen is mastered, and the simultaneous writing of a plurality of touch pens is finally realized; the touch control device comprises an infrared transceiver, can generate and receive infrared signals with the same wavelength as that of an infrared touch screen, and can synchronously scan and position touch points by the infrared touch screen and the infrared transceiver during interaction, so that the touch points can be positioned more accurately, and the touch control device is favorable for realizing simultaneous writing of a plurality of touch control pens.
(2) The nib pressure sensor includes interconnect's elastic component and conductive rubber piece, and the elastic component can change the pressure of nib into continuous elasticity, and then converts continuous signal of telecommunication into through the conductive rubber piece to make the pressure of a plurality of grades of controller detectable, can make interactive effect better, be favorable to realizing writing when a plurality of touch-control pens.
(3) The communication module comprises a radio frequency unit and an antenna, the penetrability of radio frequency is strong, and the signal strength is further ensured by utilizing the antenna.
(4) The antenna is a loop antenna, and has small volume, high reliability and low cost.
Drawings
Fig. 1 is a schematic structural view of an infrared touch pen according to the present invention;
fig. 2 is a circuit topology diagram of the infrared touch pen of the present invention;
fig. 3 is a schematic structural diagram of the infrared interaction system of the present invention;
reference numerals:
1 is a pen body; 2 is a power supply; 3 is an antenna; 4 is a radio frequency unit; 5 is a controller; 6 is an infrared transceiver; 7 is a pen point pressure sensor; 8 is a pen point; 9 is an elastic piece; 10 is a system controller; 11 is an infrared touch screen; 12 is infrared light.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
The present embodiment provides an infrared touch pen, as shown in fig. 1 and fig. 2, including a pen tip 8, a pen body 1, a pen tip pressure sensor 7 disposed inside the pen body 1, an infrared transceiver 6, a controller 5, a communication module, and a power supply 2, where the controller 5 is electrically connected to the pen tip pressure sensor 7, the infrared transceiver 6, and the communication module, respectively, and the pen tip pressure sensor 7 is connected to the pen tip 8.
Specifically, the method comprises the following steps:
the pen holder of the pen body 1 is a cylinder, and the pen point of the pen body 1 is conical; the controller 5 comprises an A/D conversion unit which is electrically connected with the pen point pressure sensor 7; the communication module comprises a radio frequency unit 4 and a loop antenna which are connected with each other, the radio frequency unit 4 is arranged inside the pen body 1, the loop antenna is embedded on the surface of the pen body 1, the radio frequency unit 4 is a 2.4G or 5G radio frequency unit, and the loop antenna is a 2.4G or 5G loop antenna; the power supply 2 is a single or multiple dry batteries and supplies power to the parts needing the power supply; the controller is an MCU.
The pen point pressure sensor 7 comprises a micro spring and a conductive rubber sheet which are mutually connected, the conductive rubber sheet is electrically connected with the controller 5, and the micro spring is connected with the pen point 8; the pressure change of the pen point 8 is transmitted to the conductive rubber sheet through the compression deformation of the miniature spring, the resistance value of the conductive rubber sheet is changed due to the deformation, 1024-level pressure data values are obtained after the A/D conversion of the controller 5, and the 1024-level pressure data values are transmitted to the system controller 10 through the radio frequency unit 4 and the antenna 3.
The embodiment further provides an infrared interaction system, which includes the above infrared touch pen, further includes an infrared touch screen 11 and a system controller 10, the system controller 10 is wirelessly connected to the communication module, the system controller 10 is electrically connected to the infrared touch screen 11 through a USB cable or a serial cable, and the system controller 10 is a PC or a mobile device.
The working method of the infrared touch pen and the infrared interaction system comprises the following steps:
the pen point 8 lightly touches the infrared touch screen 11 for three seconds, the infrared touch pen can be awakened, the radio frequency unit 4 is triggered to perform high-speed multi-channel broadcasting, the infrared touch pen is connected with the system controller 10 in a matched mode, the system controller 10 allocates exclusive ID to the infrared touch pen, and a data transmission channel is established to start interaction; in the interaction process, the infrared touch pens transmit pressure signals of the pen tips 8 to the system controller 10 in real time, so that whether the pen tips 8 fall on the infrared touch screen 11 or not is accurately judged, the whole interaction process is more accurate, the exclusive ID can enable the system controller 10 to know the interaction state of each infrared touch pen, the infrared transceivers 6 of the infrared touch pens send and receive infrared light 12 with the same wavelength as that of the infrared touch screen 11, the system controller 10 simultaneously obtains the infrared light 12 received by the infrared transceivers 6 and the infrared light 12 received by the infrared touch screen 11, and the positions of the infrared touch pens are accurately judged; the existing connection can be disconnected by the pen point 8 lightly touching the infrared touch screen 11 for five seconds, and the connection needs to be reestablished in the next use.
The following is a specific example:
as shown in fig. 3, the infrared touch pens ID1, ID2, and ID3 (only 3 infrared touch pens are listed) are respectively connected to the system controller 10 by a radio frequency protocol, and obtain their own exclusive IDs, and simultaneously the system controller 10 polls and turns on the infrared transceivers 6 of the three infrared touch pens in sequence, so that the infrared transceivers 6 can transmit and receive infrared light 12 with a wavelength of 850nm or 980nm (the same as the infrared light 12 of the infrared touch screen 11), and the relative positions and touch points of the infrared touch pens ID1, ID2, and ID3 on the infrared touch screen 11 can be accurately located by synchronous scanning with the infrared touch screen 11.
In order to reduce power consumption, the radio frequency unit 4 is in a low power consumption mode when the pen tip 8 is not in contact with the touch surface, when the pen tip 8 touches normally to generate pressure, the radio frequency unit 4 restores to a normal working mode and starts to transmit the pressure value of the pen tip 8, and the system controller 10 correspondingly matches each pressure value with the touch point so as to realize related functions.
Claims (8)
1. The utility model provides an infrared touch-control pen, its characterized in that includes nib (8), handwriting (1) and places nib pressure sensor (7), infrared transceiver (6), controller (5), communication module and power (2) inside handwriting (1) in, controller (5) respectively with nib pressure sensor (7), infrared transceiver (6) and communication module electrical connection, nib pressure sensor (7) are connected with nib (8).
2. The infrared touch pen as claimed in claim 1, wherein the nib pressure sensor (7) comprises an elastic member (9) and a conductive rubber sheet connected with each other, the conductive rubber sheet is electrically connected with the controller (5), and the elastic member (9) is connected with the nib (8).
3. The infrared touch pen as claimed in claim 1, wherein the communication module comprises a radio frequency unit (4) and an antenna (3) which are connected with each other, the radio frequency unit (4) is arranged inside the pen body (1), and the antenna (3) is arranged on the surface of the pen body (1).
4. The infrared touch control pen as claimed in claim 3, characterized in that the antenna (3) is a loop antenna embedded in the surface of the pen body (1).
5. The infrared stylus according to claim 1, characterized in that the controller (5) comprises an a/D conversion unit electrically connected to the tip pressure sensor (7).
6. The infrared touch pen of claim 1, wherein the communication module is a 2.4G communication module or a 5G communication module.
7. An infrared interaction system comprising the infrared stylus of any one of claims 1-6, further comprising an infrared touch screen (11) and a system controller (10), wherein the system controller (10) is wirelessly connected to the communication module, and wherein the system controller (10) is electrically connected to the infrared touch screen (11).
8. The infrared interaction system as claimed in claim 7, wherein the system controller (10) is electrically connected to the infrared touch screen (11) via a USB cable or a serial cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922317844.XU CN211180793U (en) | 2019-12-22 | 2019-12-22 | Infrared touch pen and infrared interaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922317844.XU CN211180793U (en) | 2019-12-22 | 2019-12-22 | Infrared touch pen and infrared interaction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211180793U true CN211180793U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922317844.XU Expired - Fee Related CN211180793U (en) | 2019-12-22 | 2019-12-22 | Infrared touch pen and infrared interaction system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112912830A (en) * | 2020-12-25 | 2021-06-04 | 闻泰科技(深圳)有限公司 | Touch position identification method, device and system and computer readable storage medium |
| WO2024007408A1 (en) * | 2022-07-06 | 2024-01-11 | 深圳市康冠商用科技有限公司 | Electronic device and infrared touch frame having radio frequency signal processing function |
-
2019
- 2019-12-22 CN CN201922317844.XU patent/CN211180793U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112912830A (en) * | 2020-12-25 | 2021-06-04 | 闻泰科技(深圳)有限公司 | Touch position identification method, device and system and computer readable storage medium |
| CN112912830B (en) * | 2020-12-25 | 2023-07-11 | 闻泰科技(深圳)有限公司 | Touch position identification method, device and system and computer readable storage medium |
| WO2024007408A1 (en) * | 2022-07-06 | 2024-01-11 | 深圳市康冠商用科技有限公司 | Electronic device and infrared touch frame having radio frequency signal processing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20211222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |