Intelligent interactive teaching projection pen device
By designing an intelligent interactive teaching projection pen device, the communication connection between the manipulator with the projector with the scalable structure and the path-induced structure is achieved, and the multifunctional use and real-time projection functions of the projection pen are solved, which solves the problem of single and limited use of existing projection pens, and improves teaching interactivity and efficiency.
Patent Information
- Application Number
- CN202420927859.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing projector pens for teaching have relatively single effects and are usually used to control the page turning of slides and must be used within a fixed range.
An intelligent interactive teaching projection pen device is designed, including a control pen and a projector. The control pen is used in a multifunctional manner through a retractable structure and a path-induced structure. It can be used as a control pen, a teaching stick and an electronic pen, and communicates with the projector through a microcontroller and a communication module to realize real-time projection of the motion path.
This device not only increases the flexibility and versatility of the projector pen, but also greatly enhances the interactiveness of demonstration and teaching. Users can write and draw directly on the projection surface by controlling the pen, improving the efficiency and immediacy of the presentation.
Smart Images
Figure CN222825990U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of teaching tools, in particular to an intelligent interactive teaching projection pen device. Background Art
[0002] A teaching projection pen is an intelligent tool that combines traditional whiteboard and digital projection technology. It is used in teaching, demonstration or conference. It usually includes an intelligent electronic pen and a receiver, which can realize functions such as writing, marking, erasing and controlling the projection content on the whiteboard or projection screen.
[0003] The existing teaching projection pen has a relatively simple effect, is usually used to control the turning of slides, and must be used within a fixed range. Utility Model Content
[0004] The purpose of the utility model is to provide an intelligent interactive teaching projection pen device to solve the problem that the existing teaching projection pens in the above-mentioned background technology have a relatively simple effect, are usually used to control the turning of slides, and must be used within a fixed range.
[0005] To achieve the above object, the utility model provides the following technical solutions: an intelligent interactive teaching projection pen device, comprising a control pen and a projector, wherein the control pen and the projector exist independently of each other, and the control pen and the projector are connected to each other in communication;
[0006] The control pen includes a fixed rod, a first sliding rod is slidably connected inside the fixed rod, and a second sliding rod is slidably connected inside the first sliding rod. The control pen is a retractable structure, and path sensing structures are provided at the upper and lower ends of the control pen. A single-chip microcomputer and a communication module are integrated inside the fixed rod.
[0007] Preferably, the path sensing structure is provided with a positioning block, and a rolling ball is snap-connected inside the rolling ball, and the rolling ball is rotatably connected inside the positioning block, and a sensor is fixedly connected inside the positioning block, and the output end of the sensor faces the rolling ball.
[0008] Preferably, the bottom of the fixed rod and the top of the second sliding rod are both provided with path sensing structures, and the fixed rod and the second sliding rod are fixedly connected to the two positioning blocks respectively.
[0009] Preferably, the projector comprises a fixing seat, four suction cups symmetrically distributed in the center are fixedly connected to the bottom of the fixing seat, a rotating block is rotatably connected to the inner side of the upper end of the fixing seat, and a projection module is rotatably connected to the inner side of the upper end of the rotating block.
[0010] Preferably, a projection lens is fixedly connected to one side of the projection module, and a sensing radar is fixedly connected to the top of the projection module.
[0011] Preferably, a single chip microcomputer and a communication module are integrated inside the fixing seat, and the projector is communicatively connected with the communication module of the control pen via the communication module.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The intelligent interactive teaching projection pen device is provided with a control pen. When the control pen is in a retracted state, the control pen can be used as a control pen. When the control pen is extended, during this process, the first sliding rod will slide inside the fixed rod, and at the same time, the first sliding rod will slide inside the second sliding rod until the control pen appears as shown in FIG. Figure 4 In the state shown, the control pen can be used as a pointer;
[0014] Furthermore, a path sensing structure is provided, and the user can use the end of the control pen to move in the plane, and the ball will move on the plane. At this time, the rotation path of the ball will be captured by the sensor. The sensor transmits the movement path of the ball to the inside of the projector through the single-chip microcomputer and communication module inside the fixed rod, and the movement path of the ball is projected in the form of lines through the projector, so that the control pen can be used as an electronic pen. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the control pen of the utility model;
[0017] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0018] Figure 4 This is a schematic diagram of the structure of the control pen of the utility model;
[0019] Figure 5 It is a schematic diagram of the structure of the projector of the utility model.
[0020] In the figure: 1. control pen; 101. fixed rod; 102. first sliding rod; 103. second sliding rod; 2. projector; 201. fixed base; 202. suction cup; 203. rotating block; 204. projection module; 205. projection lens; 206. induction radar; 3. positioning block; 4. rolling ball; 5. sensor. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In a further preferred embodiment of the present invention, Figure 1 , Figure 3 and Figure 4 As shown, the control pen 1 and the projector 2 exist independently of each other, and the control pen 1 and the projector 2 are connected to each other in communication; the control pen 1 includes a fixed rod 101, a first sliding rod 102 is slidably connected inside the fixed rod 101, and a second sliding rod 103 is slidably connected inside the first sliding rod 102, the control pen 1 is a retractable structure, and the upper and lower ends of the control pen 1 are provided with path sensing structures, and a single-chip microcomputer and a communication module are integrated inside the fixed rod 101.
[0023] When the control pen 1 is in the retracted state, the control pen 1 can be used as a control pen. When the control pen 1 is extended, the first sliding rod 102 will slide inside the fixed rod 101, and the first sliding rod 102 will slide inside the second sliding rod 103 until the control pen 1 appears as shown in FIG. Figure 4 In the state shown, the control pen 1 can be used as a pointer.
[0024] The communication module uses the high-performance Wi-Fi module WM6201 of Guangzhou Zhiyuan Electronics Co., Ltd. The control pen 1 and the projector 2 exist independently of each other, but can work together through communication connection. This design allows the control pen to be used not only as an independent control device, but also in conjunction with the projector, increasing the flexibility and versatility of use.
[0025] The control pen 1 includes a plurality of sliding rods (a first sliding rod 102 and a second sliding rod 103) inside, so that it can be converted from a control pen form to a pointer form. This retractable design enables a single device to adapt to different usage scenarios and needs.
[0026] The upper and lower ends of the control pen 1 are provided with path sensing structures, which can be used to track and record the movement trajectory of the control pen, providing more possibilities for interactive projection.
[0027] The fixed rod 101 is internally integrated with a single-chip microcomputer and a communication module, which enables the control pen to not only process information independently, but also communicate with the projector to achieve more advanced data interaction and control functions.
[0028] The path sensing and communication functions of the control pen can enhance the user's interaction with the projected content. The control pen can be converted from a control pen to a pointer as needed, suitable for different demonstration and education scenarios. The integrated single-chip microcomputer and communication module can speed up data processing and improve operation efficiency.
[0029] In a further preferred embodiment of the present invention, Figure 2 As shown, the path sensing structure is provided with a positioning block 3, and the rolling ball 4 is engaged and connected inside the rolling ball 4, and the rolling ball 4 is rotatably connected inside the positioning block 3, and the positioning block 3 is fixedly connected with a sensor 5, and the output end of the sensor 5 faces the rolling ball 4, the bottom of the fixed rod 101 and the top of the second sliding rod 103 are both provided with a path sensing structure, and the fixed rod 101 and the second sliding rod 103 are fixedly connected to the two positioning blocks 3 respectively;
[0030] The user can use the end of the control pen 1 to move in the plane, and the ball 4 will move on the plane. At this time, the rotation path of the ball 4 will be captured by the sensor 5. The sensor 5 transmits the motion path of the ball 4 to the projector 2 through the single-chip microcomputer and the communication module inside the fixed rod 101, and the motion path of the ball 4 is projected in the form of lines through the projector 2, so that the control pen 1 can be used as an electronic pen. The path sensing structure includes a positioning block 3 and a ball 4. The ball 4 is connected and rotatably connected to the positioning block 3. This design allows the ball 4 to move freely in the plane, and its rotation path can be captured by the sensor 5. The sensor 5 is fixedly connected to the positioning block 3, and its output end faces the ball 4. Such a layout ensures that any movement of the ball 4 can be accurately captured by the sensor 5. The data captured by the sensor 5 is transmitted to the projector 2 through the single-chip microcomputer and the communication module inside the fixed rod 101. When the user uses the end of the control pen 1 to move in the plane, the ball 4 will move on the plane, and its rotation path is captured by the sensor 5. These data are sent to the projector 2 through the communication module inside the control pen. After receiving these data, the projector 2 projects the movement path of the ball 4 in the form of lines. In this way, the user can write and draw directly on the projection surface by controlling the pen 1.
[0031] In general, the path sensing structure tracks the movement of the control pen through the combination of the roller ball 4 and the sensor 5, and then transmits this data wirelessly to the projector to achieve real-time projection of the movement path. This design provides high-precision and smooth path tracking, which is essential for the function of the electronic pen.
[0032] The rolling ball 4 is internally engaged and rotatably connected to the positioning block 3. This design allows the rolling ball 4 to move freely in a plane, while its rotation path is captured by the sensor 5. The beneficial effect of this design is that it provides high-precision and smooth path tracking, which is essential for the electronic pen function.
[0033] The sensor 5 is fixedly connected to the inside of the positioning block 3, and its output end faces the rolling ball 4. Such a layout can ensure that any movement of the rolling ball 4 can be accurately captured by the sensor 5. The data captured by the sensor 5 is transmitted to the projector 2 through the single chip microcomputer and communication module inside the fixed rod 101, thereby realizing real-time projection of the motion path.
[0034] The motion path of the control pen 1 can be projected in real time by the projector 2 and displayed in the form of lines. This function greatly enhances the interactivity of demonstration and teaching, allowing users to intuitively draw and mark on the projection surface.
[0035] Users can write and draw directly on the projection surface through the control pen 1, which enhances the interactivity of demonstration and teaching. The real-time projection function eliminates the intermediate steps of traditional writing and drawing tools, improving the efficiency and immediacy of demonstration. The control pen 1 is not only a control device, but also has the function of an electronic pen, which is suitable for a variety of usage scenarios.
[0036] In a further preferred embodiment of the present invention, Figure 5 As shown, the projector 2 includes a fixed base 201, four suction cups 202 symmetrically distributed in the center are fixedly connected to the bottom of the fixed base 201, and a rotating block 203 is rotatably connected to the inner side of the upper end of the fixed base 201, and a projection module 204 is rotatably connected to the inner side of the upper end of the rotating block 203, a projection lens 205 is fixedly connected to one side of the projection module 204, and a sensing radar 206 is fixedly connected to the top of the projection module 204, a single-chip microcomputer and a communication module are integrated inside the fixed base 201, and the projector 2 is connected to the communication module of the control pen 1 through the communication module.
[0037] The single chip microcomputer inside the fixed seat 201 controls the rotation of the rotating block 203. Through the mutual communication between the control pen 1 and the communication module inside the projector 2, the control pen 1 and the projector 2 can sense the relative position between the control pen 1 and the projector 2. The single chip microcomputer inside the fixed seat 201 starts the rotation of the rotating block 203, so that the projection module 204 can always face the direction of the control pen 1. When the user uses the control pen 1 to write, the projection lens 205 will project the path written by the control pen 1 into a line. A sensing radar 206 is provided. The sensing radar 206 senses the angle and distance between the projection lens 205 and the plane. The angle and focal length of the projection of the projection lens 205 are adjusted according to the sensed data, so that when the projector 2 is not perpendicular to the plane, the projection lens 205 of the movement path of the control pen 1 remains normal, and the fixed seat 201 is adsorbed on the desktop as a whole through the suction cup 202, so that the overall installation of the projector 2 is more stable.
[0038] The projector 2 can sense the relative position between the control pen 1 and the control pen 1 through the internal sensing radar 206, and control the rotation of the rotating block 203 through the single chip microcomputer, so that the projection module 204 always faces the control pen 1. This function ensures that no matter where the control pen 1 is, the projector 2 can accurately capture its movement path and project it.
[0039] The sensing radar 206 not only senses the angle, but also adjusts the focal length of the projection lens 205 to ensure that the projected content remains clear even in non-vertical situations. This design improves the adaptability and ease of use of the device in different environments.
[0040] The induction radar 206 uses the Rd-03 series module of Anxinke Technology. The Rd-03 series module is developed by Shenzhen Anxinke Technology Co., Ltd. and is an integrated single-chip millimeter wave sensor SoC based on FMCW radar transceiver technology. These modules operate in the 24GHz K band and can achieve high-sensitivity motion detection and micro-motion detection; or the MS58-14172S20M4 radar sensor module of Migan Technology: This is a miniaturized 5.8G radar sensor module that uses a high-performance radar sensor with a miniaturized planar antenna. It transmits and receives high-frequency electromagnetic waves and uses the Doppler principle to detect the frequency difference between the transmitted and received signals, which is suitable for a variety of sensing scenarios; or the LD2410B radar Bluetooth two-in-one module of Hailingke: This module can sense human breathing, micro-motion, and movement, and has the characteristics of high sensitivity and small size. It has added Bluetooth function, supports BLE4.2, and can adjust the sensitivity and sensing distance through the mobile phone APP.
[0041] The suction cup 202 at the bottom of the fixing base 201 can firmly adsorb the projector 2 on the desktop, which improves the stability of the device and the safety during use. The automatic positioning and adjustment function ensures that the projected content is always clear and accurate. The ability to automatically adjust the angle and focal length enables the projector 2 to be used in different environments and angles, improving its applicability. The design of the suction cup 202 ensures the stability of the projector 2 during use and reduces the risk of accidental movement or falling.
[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0043] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. An intelligent interactive teaching projection pen device, comprising a control pen (1) and a projector (2), wherein the control pen (1) and the projector (2) exist independently of each other, and the control pen (1) and the projector (2) are connected to each other for communication; Features: The control pen (1) comprises a fixed rod (101), a first sliding rod (102) is slidably connected inside the fixed rod (101), and a second sliding rod (103) is slidably connected inside the first sliding rod (102), the control pen (1) is a retractable structure, and path sensing structures are provided at the upper and lower ends of the control pen (1), and a single-chip microcomputer and a communication module are integrated inside the fixed rod (101).
2. The intelligent interactive teaching projection pen device according to claim 1, characterized in that: The path sensing structure is provided with a positioning block (3), and the rolling ball (4) is snap-connected inside the rolling ball (4), and the rolling ball (4) is rotatably connected inside the positioning block (3), and a sensor (5) is fixedly connected inside the positioning block (3), and an output end of the sensor (5) faces the rolling ball (4).
3. The intelligent interactive teaching projection pen device according to claim 1, characterized in that: The bottom of the fixed rod (101) and the top of the second sliding rod (103) are both provided with path sensing structures, and the fixed rod (101) and the second sliding rod (103) are fixedly connected to the two positioning blocks (3) respectively.
4. The intelligent interactive teaching projection pen device according to claim 1, characterized in that: The projector (2) comprises a fixing seat (201), the bottom of the fixing seat (201) being fixedly connected to four suction cups (202) distributed symmetrically around the center, the inner side of the upper end of the fixing seat (201) being rotatably connected to a rotating block (203), and the inner side of the upper end of the rotating block (203) being rotatably connected to a projection module (204).
5. The intelligent interactive teaching projection pen device according to claim 4, characterized in that: A projection lens (205) is fixedly connected to one side of the projection module (204), and a sensing radar (206) is fixedly connected to the top of the projection module (204).
6. The intelligent interactive teaching projection pen device according to claim 5, characterized in that: A single-chip microcomputer and a communication module are integrated inside the fixing seat (201), and the projector (2) is communicatively connected with the communication module of the control pen (1) via the communication module.