Sensor triggering structure of intelligent pen
By setting the movable connection of multiple components in the smart pen and the use of pogo needles, the problem of high trigger force and poor consistency of the sensor is solved, and accurate data acquisition and writing content simulation under different trigger forces are realized.
Patent Information
- Application Number
- CN202420631693.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-03-29
AI Technical Summary
The trigger force of existing smart pen sensors is high and has poor consistency, which leads to low trigger force being unable to generate signals, which easily leads to the problem of data not being collected.
By setting up a movable connection between multiple components, including refills, pressure-sensitive brackets, pogo needles, PCBA circuit boards and cameras, using pogo needles as contacts to contact pressure-sensitive, control the start and stop of the smart pen, and through the ADC The numerical change turns on the camera for handwriting simulation.
It accurately simulates the writing content when writing, improves the accuracy and consistency of data collection, and ensures the normal operation of the smart pen under different trigger forces.
Smart Images
Figure CN222281196U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smart pens, in particular to a sensor triggering structure of a smart pen. Background Art
[0002] People are becoming more and more dependent on various smart devices, and there is a growing demand for the electronicization of documents. Now there are various electronic pens for writing or drawing on touch screens or touch screens, which are then displayed on the touch screens or touch screens and saved as electronic files. However, these electronic pens can only be used on various touch screens or touchpads, and cannot be used to write or draw on traditional paper or blackboards or objects.
[0003] In the sensor trigger structure of the smart pen, the camera is triggered to collect data through a pot or a thin film pressure sensor, and then the writing content is simulated through the chip algorithm. The pot is connected and powered on to start the smart pen to reduce costs; it only works on smart pens that do not require a pen tip. The traditional thin film pressure sensor plays the role of starting the smart pen in the smart pen, and analyzes the thickness of the pen tip through pressure information and simulates it; the sensor is limited by the production process, and its trigger force is high and the consistency is poor. For lower trigger forces, no signal can be generated, which easily causes the phenomenon of no data collection. Utility Model Content
[0004] The utility model provides a sensor trigger structure of a smart pen, aiming to solve the problem that the existing sensor is limited by the production process, has a high trigger force but poor consistency, and cannot generate a signal for a low trigger force, which easily causes the phenomenon of no data collection.
[0005] To achieve the above-mentioned purpose, a sensor trigger structure of a smart pen is provided, comprising a pen core, a pen body bracket is fixedly connected to the bottom of the pen core, a camera is fixedly connected to the inner surface of the pen body bracket and near the pen core, a filter is fixedly connected to the front side of the pen body bracket, a camera pressure cover is fixedly connected to the rear side of the pen body bracket, a battery is movably connected to the rear side of the camera pressure cover, a pressure sensing bracket is fixedly connected to the bottom of the battery, a pressure sensing bracket and a pogo needle are provided on the inner surface of the pressure sensing bracket, a PCBA circuit board is fixedly connected to the rear side of the pressure sensing, a pen cap is movably connected to the rear side of the PCBA circuit board, a magnetic suction head is fixedly connected to the inner surface of the pen cap, the PCBA circuit board is detachably connected to one end of the magnetic suction head, a pen cap is movably connected to the front side of the pen core, and a magnet is provided on the inner surface of the pen cap. By setting active connections between multiple components, the assembly of the smart pen and the replacement of components can be achieved; by setting a built-in camera, data scanning can be achieved; by setting a built-in camera cover, whether the camera is turned on or not can be controlled; by injection molding inserts, the pogo pin is used as a contact piece to contact the pressure sensor to control the start and stop of the smart pen; by setting a PCBA circuit board, current and data are transmitted to the smart pen; and by setting a structural assembly between the pressure-sensing bracket and the pogo pin, elastic pre-compression can be achieved.
[0006] According to the sensor trigger structure of the smart pen, the pen core is movably connected to one end of the pressure-sensitive bracket, and the pressure-sensitive bracket is movably connected to one end of the pen body bracket. By setting a plurality of components to be movably connected, the assembly of the smart pen and the replacement of components can be achieved.
[0007] According to the sensor triggering structure of a smart pen, the bottom of the pen core is fixedly connected to a pen body bracket, the inner surface of the pen body bracket and the position close to the pen core is fixedly connected to a camera, the front side of the pen body bracket is fixedly connected to a filter, the rear side of the pen body bracket is fixedly connected to a camera pressure cover, and the pen body bracket scans data through a built-in camera. Whether to turn on the camera is controlled by setting the built-in camera cover.
[0008] According to the sensor trigger structure of a smart pen, the bottom of the battery is fixedly connected with a pressure-sensing bracket, and the inner surface of the pressure-sensing bracket is provided with a pressure sensor and a pogo pin. The pogo pin is used as a contact piece to contact the pressure sensor through injection molding to control the start and stop of the smart pen.
[0009] According to the sensor triggering structure of the smart pen, the rear side of the pressure sensor is fixedly connected with a PCBA circuit board, and the PCBA circuit board is provided to transmit current and data to the smart pen.
[0010] According to the sensor trigger structure of a smart pen, the rear side of the PCBA circuit board is movably connected to a pen cap, and the inner surface of the pen cap is fixedly connected to a magnetic suction head. The magnetic suction head is connected to the PCBA circuit board to achieve the charging function.
[0011] According to the sensor trigger structure of a smart pen, the inner surface of the pressure-sensing bracket is provided with a pressure sensor and a pogo pin, and elastic pre-pressure is achieved by arranging a structural assembly between the pressure-sensing bracket and the pogo pin.
[0012] The beneficial effects of the utility model are as follows: by setting a pogo needle, a pressure sensor, a PCBA circuit board, a USB interface, and a camera, the pressure caused by writing can trigger a strain gauge pressure sensor; after the pressure sensor is triggered, the change in the ADC value is read to turn on the camera for video recording and handwriting simulation, so that the writing font and pen stroke can be accurately simulated.
[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0015] Figure 1 This is an external structural diagram of a sensor trigger structure of a smart pen of the utility model;
[0016] Figure 2 It is a cross-sectional view of a sensor trigger structure of a smart pen of the utility model;
[0017] Figure 3 It is a partial structural cross-sectional view of a sensor trigger structure of a smart pen of the utility model;
[0018] Figure 4 This is an enlarged view of the pogo needle of the sensor trigger structure of the smart pen of the utility model.
[0019] Legend:
[0020] 1. Pen refill; 2. Magnetic head; 3. Pen body bracket; 4. Camera; 5. Camera cover; 6. Filter; 7. Battery; 8. Pressure-sensitive bracket; 9. Pressure-sensitive; 10. PCBA circuit board; 11. Pen cap; 12. USB interface; 21. Pogo pin; 22. Pen cap; 23. Magnet. DETAILED DESCRIPTION
[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0022] Reference Figures 1 to 3 The present invention provides a sensor trigger structure of a smart pen, comprising a pen core 1, a pen body bracket 3 is fixedly connected to the bottom of the pen core 1, a camera 4 is fixedly connected to the inner surface of the pen body bracket 3 and close to the pen core 1, a filter 6 is fixedly connected to the front side of the pen body bracket 3, a camera pressure cover 5 is fixedly connected to the rear side of the pen body bracket 3, a battery 7 is movably connected to the rear side of the camera pressure cover 5, a pressure sensing bracket 8 is fixedly connected to the bottom of the battery 7, a pressure sensing bracket 8 is provided with a pressure sensing 9 and a pogo needle 21 on the inner surface of the pressure sensing bracket 8, a PCBA circuit board 10 is fixedly connected to the rear side of the pressure sensing 9, a pen cover 11 is movably connected to the rear side of the PCBA circuit board 10, a magnetic suction head 2 is fixedly connected to the inner surface of the pen cover 11, the PCBA circuit board 10 is movably connected to one end of the magnetic suction head 2, a pen cap 22 is movably connected to the front side of the pen core 1, and a magnet 23 is provided on the inner surface of the pen cap 22.
[0023] The pen core 1 is movably connected to one end of the pressure-sensing bracket 8, which is movably connected to one end of the pen body bracket 3. The inner surface of the pressure-sensing bracket 8 is provided with a pressure sensor 9 and a pogo needle 21. The pressure sensor 9 adopts thick film technology and a stainless steel measuring element.
[0024] The bottom of the pen core 1 is fixedly connected to a pen body bracket 3, the inner surface of the pen body bracket 3 and a position close to the pen core 1 is fixedly connected to a camera 4, the front side of the pen body bracket 3 is fixedly connected to a filter 6, the rear side of the pen body bracket 3 is fixedly connected to a camera cover 5, and the pen body bracket 3 scans data through the built-in camera 4.
[0025] The bottom of the battery 7 is fixedly connected with a pressure-sensing bracket 8, and the inner surface of the pressure-sensing bracket 8 is provided with a pressure-sensing 9 and a pogo pin 21. Through injection molding, the pogo pin 21 is used as a contact piece to contact the pressure-sensing 9 to control the start and stop of the smart pen. The material of the pogo pin 21 is copper.
[0026] The rear side of the pressure sensor 9 is fixedly connected with a PCBA circuit board 10, which transmits current and data to the smart pen. PCB is the basis of the PCBA circuit board 10, which is usually made of insulating materials. The PCBA circuit board 10 includes various electronic components and various welding combination materials.
[0027] The rear side of the PCBA circuit board 10 is movably connected with a pen cover 11, and the inner surface of the pen cover 11 is fixedly connected with a magnetic suction head 2. Charging can be achieved by connecting the magnetic suction head 2 with the PCBA circuit board 10.
[0028] The inner surface of the pressure sensing bracket 8 is provided with a pressure sensor 9 and a pogo needle 21 , and elastic pre-pressure is achieved between the pressure sensing bracket 8 and the pogo needle 21 through structural assembly.
[0029] Working principle: When in use, the pen cap 22 is separated from the pen body of the smart pen for writing. When writing, the pressure caused by the pen core 1 triggers the strain gauge pressure sensor 9 in the pressure sensing bracket 8. After the pressure sensor 9 is triggered, the change in the ADC value is read through the PCBA circuit board 10, and the camera 4 is turned on to take pictures and simulate handwriting. The smart pen has a built-in camera to scan data and store the scanned data in the chip of the PCBA circuit board 10; after the pen core 1 stops writing, the strain gauge pressure sensor 9 in the pressure sensing bracket 8 no longer generates a sensing signal, and the PCBA circuit board 10 stops working.
[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A sensor trigger structure of a smart pen, comprising a pen core (1), characterized in that: The bottom of the pen core (1) is fixedly connected to a pen body bracket (3), the inner surface of the pen body bracket (3) and a position close to the pen core (1) is fixedly connected to a camera (4), the front side of the pen body bracket (3) is fixedly connected to a filter (6), the rear side of the pen body bracket (3) is fixedly connected to a camera pressure cover (5), the rear side of the camera pressure cover (5) is movably connected to a battery (7), the bottom of the battery (7) is fixedly connected to a pressure sensing bracket (8), and the inner surface of the pressure sensing bracket (8) is open. A pressure sensor (9) and a pogo pin (21) are provided, the rear side of the pressure sensor (9) is fixedly connected to a PCBA circuit board (10), the rear side of the PCBA circuit board (10) is movably connected to a pen cover (11), the inner surface of the pen cover (11) is fixedly connected to a magnetic suction head (2), the PCBA circuit board (10) and one end of the magnetic suction head (2) are detachably connected, the front side of the pen core (1) is movably connected to a pen cap (22), and a magnet (23) is provided on the inner surface of the pen cap (22).
2. The sensor trigger structure of a smart pen according to claim 1, characterized in that: The pen core (1) is movably connected to one end of the pressure-sensitive bracket (8), and the pressure-sensitive bracket (8) is movably connected to one end of the pen body bracket (3).
3. The sensor trigger structure of a smart pen according to claim 2, characterized in that: The pen body support (3) scans data via a built-in camera (4).
4. The sensor trigger structure of a smart pen according to claim 3, characterized in that: The pogo pin (21) is used as a contact member to contact the pressure sensor (9).
5. The sensor trigger structure of a smart pen according to claim 4, characterized in that: The PCBA circuit board (10) is used for storing data for the smart pen.
6. The sensor trigger structure of a smart pen according to claim 5, characterized in that: The magnetic suction head (2) is movably connected to one end of the PCBA circuit board (10).
7. The sensor triggering structure of a smart pen according to claim 6, characterized in that: The pressure-sensing bracket (8) and the pogo needle (21) are assembled to achieve elastic pre-pressure.