Copybook copying guidance device integrated with pressure induction feedback

Abstract

The utility model relates to the technical field of calligraphy copying devices, in particular to a copybook copying guiding device integrated with pressure induction feedback, which comprises a pressure induction unit, a data processing unit, a feedback output unit and an intelligent control system. The pressure sensing unit adopts a piezoresistor array to detect the pressure change of the contact between the pen point and the copybook in real time; the data processing unit analyzes the pressure data through the embedded processor and generates feedback information of writing strength; the feedback output unit provides visual and tactile feedback through a liquid crystal display screen and a vibration motor; the intelligent control system monitors the operation state of the device through a microcontroller and a sensor, and automatically adjusts the intensity and frequency of feedback output. The calligraphy copying device solves the problems that a traditional calligraphy copying device cannot accurately control writing strength and lacks real-time feedback.

Description

TECHNICAL FIELD

[0001] The utility model belongs to calligraphy teaching and auxiliary equipment technical field, concretely is a copybook copy guiding device of integrated pressure response feedback. BACKGROUND

[0002] With the development of calligraphy learning field, various calligraphy copy devices have been widely applied. However, these products still have some problems in actual use. For example, most of the calligraphy copy devices on the market currently only provide simple display function, lack real-time monitoring and feedback of the writing process, and cannot meet the demand of learners for accurate guidance. This leads to problems such as poor learning effect and insufficient interactivity in some scenarios. In order to improve performance, some manufacturers try to increase electronic feedback devices to improve automation level. However, such improvement often faces the problem of poor coordination between feedback system and writing equipment, making the overall system stability poor and maintenance cost high.

[0003] After searching, a calligraphy accurate copy practice device with publication number CN114973850B was disclosed on November 28, 2023. The design records the line pen trajectory and force through three groups of driving mechanisms and connecting rod mechanisms, which can drive the student's hand to reproduce the line pen trajectory and force. Although this structure can provide a certain degree of writing guidance, it relies on mechanical driving and cannot monitor the writing pressure in real time, making it difficult for learners to accurately master the changes in writing force. In addition, this design cannot provide real-time pressure feedback, so learners cannot adjust the force in a timely manner during the writing process, affecting the learning effect.

[0004] After searching, a writing tool with publication number CN109118875B was disclosed on January 14, 2020. The product detects the character and stroke characteristics during writing through a motion sensor and controls the guide element to generate a guiding force. Although this design can achieve basic writing guidance function, since its feedback system only relies on a motion sensor, it cannot monitor the writing pressure in real time, making it difficult for learners to accurately master the changes in writing force. At the same time, due to the lack of pressure response feedback, the guiding force cannot be adjusted in real time according to the changes in writing force, so learners cannot adjust the force in a timely manner during the writing process, affecting the learning effect.

[0005] The above problems show that the traditional calligraphy copy device on the market currently cannot effectively cope with the new requirements for accurate pressure control and real-time feedback in complex writing process. Therefore, the utility model provides a copybook copy guiding device integrated with pressure response feedback to overcome these shortcomings and provide a new solution that is more intelligent, efficient and adaptable to changing environments. UTILITY MODEL CONTENT

[0006] The technical problem solved by the utility model is to overcome the deficiencies of the prior art and provide a calligraphy copying guide device with integrated pressure sensing feedback.

[0007] The utility model adopts the technical scheme that a calligraphy copying guide device with integrated pressure sensing feedback comprises a pressure sensing unit, a data processing unit, a feedback output unit and an intelligent control system.

[0008] The pressure sensing unit comprises a pressure sensing resistor array, which is fixed to a substrate below the calligraphy copybook.

[0009] The shape of the pressure sensing resistor is circular, the diameter is 2mm, the thickness is 0.5mm, and the spacing between adjacent pressure sensing resistors is 1mm.

[0010] The data processing unit comprises an embedded processor, which is fixed to the other end of the substrate and connected to the pressure sensing resistor array through a data line.

[0011] The feedback output unit includes a liquid crystal display screen and a vibration motor, the liquid crystal display screen is fixed to one end of the substrate, the vibration motor is fixed to the other end of the substrate, and the liquid crystal display screen and the vibration motor are connected with the embedded processor through data lines. The liquid crystal display screen includes a display screen module and a driving circuit, both of which are fixed to one end of the substrate, the display screen module is connected with the driving circuit through data lines, and the driving circuit is connected with the embedded processor through data lines. The size of the display screen module is 4.3 inches, the resolution is 480*272 pixels, and the model of the driving circuit is ILI9486. The vibration motor includes a motor module and a driving circuit, both of which are fixed to the other end of the substrate, the motor module is connected with the driving circuit through data lines, and the driving circuit is connected with the embedded processor through data lines. The model of the motor module is 310-1024, and the model of the driving circuit is L298N.

[0012] The intelligent control system includes a microcontroller, the microcontroller is fixed to the other end of the substrate, the microcontroller is connected with the embedded processor through data lines, and the microcontroller is also connected with a sensor through data lines, the sensor is fixed to one end of the substrate and used for monitoring the running state of the device. The microcontroller includes a main control chip and a sensor interface, both of which are fixed to the other end of the substrate, the main control chip is connected with the sensor interface through data lines, and the sensor interface is connected with the sensor through data lines. The model of the main control chip is STM32F407VGT6, and the model of the sensor interface is AD7793.

[0013] The sensor includes a pressure sensor and a temperature sensor, both of which are fixed to one end of the substrate, the pressure sensor is connected with the sensor interface through data lines, and the temperature sensor is connected with the sensor interface through data lines. The model of the pressure sensor is MPXV7002DP, and the model of the temperature sensor is DS18B20.

[0014] The shape of the substrate is rectangular, the length is 300mm, the width is 200mm, and the thickness is 2mm, and the material of the substrate is a PCB board. One end of the substrate is provided with a fixing hole, and the fixing hole is used for fixing the liquid crystal display screen and the vibration motor. The other end of the substrate is provided with a fixing hole, and the fixing hole is used for fixing the embedded processor and the microcontroller.

[0015] Compared with the prior art, the integrated pressure sensing feedback copybook copying guidance device has the beneficial effects that: the integrated pressure sensing feedback copybook copying guidance device accurately captures the change of the pen tip pressure through the closely matrix arranged pressure sensitive resistance array, efficiently analyzes data by the data processing unit composed of the master control chip and the memory, provides multi-dimensional feedback by the liquid crystal display screen and the vibration motor, automatically adjusts the feedback output by the intelligent control system, and realizes accurate writing pressure monitoring, multi-dimensional feedback guidance, intelligent adjustment operation, efficient data processing and storage, and stable and reliable structure design, thereby bringing convenient, personalized and efficient copying learning experience for the user. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a kind of integrated pressure sensing feedback copybook copying guidance device's three-dimensional structure schematic view.

[0017] Figure 2 The utility model discloses the partial enlarged view of pressure sensitive resistance array in the utility model.

[0018] Figure 3 The utility model discloses the circuit connection schematic view of data processing unit in the utility model.

[0019] Figure 4 The utility model discloses the structural schematic view of feedback output unit.

[0020] Figure 5 The utility model discloses the circuit connection schematic view of intelligent control system.

[0021] In the drawing, 1, substrate 2, pressure sensitive resistance array 201, pressure sensitive resistance 3, embedded processor 4, liquid crystal display screen 401, display screen module 402, display drive circuit 5, vibration motor 501, motor module 502, vibration drive circuit 6, microcontroller 7, sensor. DETAILED DESCRIPTION

[0022] The utility model is further explained as follows. Figures 1-5 The utility model is further explained as follows.

[0023] The utility model discloses an integrated pressure response feedback's copybook imitating guiding device, and pressure -sensitive resistance array 2 is fixed on the substrate 1, and pressure -sensitive resistance 201 is arranged in matrix, and the both ends of each pressure -sensitive resistance 201 are connected with data line respectively, and data line is connected with embedded processor 3 through connector. The shape of pressure -sensitive resistance 201 is circular, and the diameter is 2mm, and the thickness is 0.5mm, and the spacing between adjacent pressure -sensitive resistance 201 is 1mm. The shape of substrate 1 is rectangle, and the length is 300mm, and the width is 200mm, and the thickness is 2mm, and the material of substrate 1 is PCB board. One end of substrate 1 is equipped with fixed hole, and is used for fixing liquid crystal display 4 and vibrating motor 5, and the other end of substrate 1 is equipped with fixed hole, and is used for fixing embedded processor 3 and microcontroller 6.

[0024] Embedded processor 3 is fixed on the other end of substrate 1, and embedded processor 3 includes main control chip and memory, and the model number of main control chip is STM32F103C8T6, and the model number of memory is W25Q64. Main control chip is connected with memory through data line, and main control chip is also connected with pressure -sensitive resistance array 2 through data line. Data processing unit generates the feedback information of writing strength by analyzing pressure data through embedded processor 3.

[0025] Liquid crystal display 4 and vibrating motor 5 are fixed on one end and the other end of substrate 1 respectively, and liquid crystal display 4 includes display screen module 401 and display drive circuit 402, and the size of display screen module is 4.3 inches, and the resolution is 480x272 pixels, and the model number of drive circuit is ILI9486. Vibrating motor 5 includes motor module 501 and vibration drive circuit 502, and the model number of motor module 501 is 310-1024, and the model number of vibration drive circuit 502 is L298N. Liquid crystal display 4 and vibrating motor 5 are connected with embedded processor 3 through data line, and liquid crystal display 4 shows the change of writing strength, and provides intuitive visual feedback, and vibrating motor 5 produces vibration according to the change of writing strength, and provides tactile feedback.

[0026] Microcontroller 6 is fixed on the other end of substrate 1, and microcontroller 6 includes main control chip and sensor interface, and the model number of main control chip is STM32F407VGT6, and the model number of sensor interface is AD7793. Microcontroller 6 is connected with embedded processor through data line, and microcontroller 6 is also connected with sensor 7 through data line, and sensor 7 includes pressure sensor and temperature sensor, and the model number of pressure sensor is MPXV7002DP, and the model number of temperature sensor is DS18B20. Sensor 7 is fixed on one end of substrate 1, and is used for monitoring the running state of device.

[0027] The data line includes signal lines and power lines, and the signal lines and the power lines are both shielded lines, the diameter of the signal lines is 0.5mm, and the diameter of the power lines is 1mm. The data line is connected with each component through a connector, the connector is of a JST XH type, the connector includes a male head and a female head, the male head is fixed to one end of the substrate, the female head is fixed to the other end of the substrate, and the male head and the female head are connected through plug-in connection. The connector is made of PBT, and the temperature resistance range of the connector is -40 DEG C to 125 DEG C.

[0028] The operation principle of the utility model is: when the user writes on the copybook, the pressure of the pen tip contacting the copybook is detected in real time through the pressure-sensitive resistor array, and the pressure data detected by the pressure-sensitive resistor array is transmitted to the embedded processor through the data line. The embedded processor analyzes the pressure data through an algorithm to generate feedback information of the writing force. The feedback information is transmitted to the liquid crystal display and the vibration motor through the data line, the liquid crystal display displays the change of the writing force to provide intuitive visual feedback, and the vibration motor generates vibration according to the change of the writing force to provide tactile feedback. The microcontroller monitors the running state of the sensor monitoring device, and automatically adjusts the intensity and frequency of the feedback output according to the external environment and internal parameters to ensure that the device operates in the best state.

[0029] Preferred mode: further, the arrangement mode of the pressure-sensitive resistor array 2 is changed from matrix arrangement to ring arrangement, so that the pressure detection is more uniform, and the blind area of detection is reduced.

[0030] Further, the connection mode of the embedded processor 3 is changed from direct fixation to detachable connection, which is convenient for maintenance and replacement.

[0031] Further, the display mode of the liquid crystal display 4 is changed from monochrome display to color display to provide more abundant visual feedback information.

[0032] Further, the installation position of the vibration motor 5 is changed from the other end of the substrate to the one end of the substrate, so that the vibration feedback is more direct and obvious.

[0033] Further, the control mode of the microcontroller 6 is changed from single control to multi-stage control to improve the accuracy of the feedback output.

[0034] Further, the monitoring mode of the sensor 7 is changed from single parameter monitoring to multi-parameter monitoring to improve the stability of the device operation.

[0035] Further, the material of the substrate 1 is changed from a PCB board to an aluminum alloy plate to improve the durability and heat dissipation performance of the device.

[0036] Further, the connection mode of the data line is changed from plug-in connection to welding connection to improve the stability and reliability of the connection.

[0037] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and in accordance with the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. A copybook writing guide device integrated with pressure sensing feedback, characterized in that, The utility model relates to a kind of pressure sensor array, including substrate (1), pressure sensor array (2), embedded processor (3), liquid crystal display (4), vibrating motor (5), microcontroller (6) and sensor (7);The pressure sensor array (2) is fixed on substrate (1), the embedded processor (3) is fixed on the other end of substrate (1), the liquid crystal display (4) is fixed on one end of substrate (1), the vibrating motor (5) is fixed on the other end of substrate (1), the microcontroller (6) is fixed on the other end of substrate (1), and the sensor (7) is fixed on one end of substrate (1).

2. The integrated pressure sensing feedback copybook guiding device according to claim 1, wherein, The pressure sensor array (2) includes several pressure sensors (201), the pressure sensors (201) are arranged in matrix, and the two ends of each pressure sensor (201) are connected with data lines respectively, the data lines are connected with the embedded processor (3) through connectors.

3. The integrated pressure sensing feedback copybook device according to claim 2, wherein, The shape of the pressure sensor (201) is circular, the diameter is 2mm, the thickness is 0.5mm, and the spacing between adjacent pressure sensors (201) is 1mm.

4. The integrated pressure sensing feedback copybook device according to claim 1, wherein, The embedded processor (3) includes a main control chip and a memory, the model of the main control chip is STM32F103C8T6, the model of the memory is W25Q64, the main control chip is connected with the memory through data lines, and the main control chip is also connected with the pressure sensor array (2) through data lines.

5. The integrated pressure sensing feedback's copybook mimicking guide device according to claim 1, wherein, The liquid crystal display (4) includes a display module (401) and a display driving circuit (402), the size of the display module (401) is 4.3 inches, the resolution is 480x272 pixels, the model of the display driving circuit (402) is ILI9486, the display module (401) is connected with the display driving circuit (402) through data lines, and the display driving circuit (402) is connected with the embedded processor (3) through data lines.

6. The integrated pressure sensing feedback copybook device according to claim 1, wherein, The vibrating motor (5) includes a motor module (501) and a vibration driving circuit (502), the model of the motor module (501) is 310-1024, the model of the vibration driving circuit (502) is L298N, the motor module (501) is connected with the vibration driving circuit (502) through data lines, and the vibration driving circuit (502) is connected with the embedded processor (3) through data lines.

7. The integrated pressure sensing feedback copybook device according to claim 1, wherein, The microcontroller (6) includes a main control chip and a sensor interface, the model of the main control chip is STM32F407VGT6, the model of the sensor interface is AD7793, the main control chip is connected with the sensor interface through data lines, and the sensor interface is connected with the sensor (7) through data lines.

8. The integrated pressure sensing feedback copybook device according to claim 1, wherein, The sensor (7) includes a pressure sensor and a temperature sensor, the model of the pressure sensor is MPXV7002DP, the model of the temperature sensor is DS18B20, the pressure sensor is connected with the sensor interface through data lines, and the temperature sensor is connected with the sensor interface through data lines;The data lines include signal lines and power lines, the diameter of the signal lines is 0.5mm, and the diameter of the power lines is 1mm.

9. The integrated pressure sensing feedback copybook device of claim 1, wherein, The shape of the substrate (1) is rectangular, the length is 300mm, the width is 200mm, the thickness is 2mm, the material of the substrate (1) is a PCB board, one end of the substrate (1) is provided with a fixing hole, and the other end of the substrate (1) is provided with a fixing hole.

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