Intelligent pen container

By integrating the main control module, display module, communication module, audio module and touch button module into the pen holder, the smart pen holder can realize information display, voice interaction and cloud album functions, solving the problem of lack of interactivity and intelligence in existing pen holders and improving office efficiency.

CN120686981APending Publication Date: 2025-09-23SHENZHEN QM SMART PANLEE TECH CO LTD
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Patent Information

Application Number
CN202510976734.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-16
Publication Date
2025-09-23

AI Technical Summary

Technical Problem

Existing pen holders lack interactivity and intelligent functions and cannot meet the needs of modern office work.

Method used

A smart pen holder is designed, which includes a main control module, display module, communication module, audio module and touch button module. It realizes information display, voice interaction and cloud album functions. The integrated control and interaction are achieved through the combination of ESP32-S3 main control chip and various electronic components.

Benefits of technology

It improves office efficiency and provides a practical and interactive intelligent experience, suitable for daily office and the information needs of party and government agencies.

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Abstract

The invention discloses an intelligent pen container, and relates to the field of intelligent office, and the intelligent pen container comprises a main control module which is used for comprehensively controlling a circuit to work; the display module is used for receiving a signal of the main control module, displaying time, weather and schedule reminding and pushing text information; the communication module is used for realizing networking, and signal conversion is carried out between the communication module and the main control module, so that the main control module reads network information; the audio module is used for converting signals input by the microphone into audio data and outputting the audio data to the main control module; compared with the prior art, the intelligent pen container has the beneficial effects that the main control module, the display module, the communication module, the audio module and the touch key module are matched with one another, so that the pen container has the functions of information display, voice interaction and cloud photo album, and the intelligent pen container is suitable for daily office scenes and also suitable for informatization office requirements of party and government organs; the intelligent experience with practicability and interaction is provided for the user, and the office and communication efficiency is effectively improved.
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Description

Technical Field

[0001] The present invention relates to the field of intelligent office, in particular to an intelligent pen holder. Background Art

[0002] Pen holders are typically made of hard materials and are wide and deep enough to store pens, pencils, and other small writing instruments. They also keep your desk tidy. More than just a storage container for writing tools, they're also an essential stationery item on your desk, helping to organize your desk and improve work efficiency. Furthermore, pen holders often serve as decorative items in various settings.

[0003] Existing pen holders mainly provide basic functions and lack interactivity and intelligence, and need to be improved. Summary of the Invention

[0004] The purpose of the present invention is to provide a smart pen holder to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A smart pen holder, comprising:

[0007] Main control module, used for comprehensive control circuit operation;

[0008] The display module is used to receive signals from the main control module to display time, weather, schedule reminders and push text messages;

[0009] The communication module is used to realize networking and perform signal conversion between the communication module and the main control module, so that the main control module can read network information;

[0010] The audio module is used to convert the signal input by the microphone into audio data and output it to the main control module; the audio data input by the main control module is converted into an electrical signal, which is output through the microphone after passing through the power amplifier;

[0011] The touch button module is used to output the user touch voltage signal to the main control module to control the working state of the main control module;

[0012] The touch button module is connected to the main control module, and the main control module is connected to the display module, communication module, and audio module; the touch button module is set on the top of the pen barrel, the display module is set on the outer surface of the pen barrel, and the main control module, communication module, and audio module are set inside the pen barrel.

[0013] As a further solution of the present invention: the main control module includes a main control chip U1, the model of the main control chip U1 is ESP32-S3, IO3, 8, 10, 11, 15, 16, 17, 18, 21, 45, 46, 47, and 48 pins of the main control chip U1 are connected to the display module, IO1, 2, 4, 38, 39, 40, 41, and 42 pins of the main control chip U1 are connected to the audio module, IO5, 6, and 7 pins of the main control chip U1 are connected to the touch button module, and IO12, 13, and 14 pins of the main control chip U1 are connected to the communication module.

[0014] As a further solution of the present invention: the display module includes a chip U2 and a display screen connector J3, the chip U2 model is ME2212AM6G, the display screen connector J3 model is FPC 0.5MM_40P H2.0, pin 4 of chip U2 is connected to one end of resistor R2 and one end of resistor R3, the other end of resistor R3 is grounded, and the other end of resistor R2 is connected to the main control module, pin 5 of chip U2 is connected to pin 33 of display screen connector J3 and the cathode of diode D1, the anode of diode D1 is connected to pin 1 of chip U2, pin 3 of chip U2 is connected to pins 34, 35, and 36 of the display screen connector through resistor R4, pins 8, 10, 15, and 17-24 of the display screen connector J3 are connected to the main control module, and pin 11 of the display screen connector J3 is connected to the main control module through resistor R68.

[0015] As a further solution of the present invention: the communication module includes a chip U4, which is an integrated 307 series CAT1 module, pin 35 of the chip U4 is connected to the first end of the antenna connector J8, and the second end of the antenna connector J8 is grounded, pin 17 of the chip U4 is connected to the collector of the transistor Q2 and one end of the resistor R27, the other end of the resistor R27 is connected to the voltage signal, the base of the transistor Q2 is connected to one end of the resistor R29 and one end of the capacitor C22, the other end of the resistor R29 is connected to the other end of the capacitor C22 and the voltage signal, and the emitter of the transistor Q2 is connected to the main control module; pin 18 of the chip U4 is connected to the emitter of the transistor Q1, the base of the transistor Q1 is connected to one end of the resistor R28 and one end of the capacitor C21, the other end of the resistor R28 is connected to the other end of the capacitor C21 and the voltage signal, the collector of the transistor Q1 is connected to one end of the resistor R30 and the main control module, and the other end of the resistor R30 is connected to the voltage signal.

[0016] As a further solution of the present invention: the communication module further includes a SIM card connector J9, and pins 1, 2, 3, and 7 of the SIM card connector J9 are connected to pins 14, 12, 13, and 11 of the chip U4.

[0017] As a further solution of the present invention: the audio module includes a chip U6, the model of chip U6 is ES8311, pin 24 of chip U6 introduces a microphone signal, pins 15, 16, 19, and 20 of chip U6 introduce microphone signals through a capacitor respectively, pins 5, 9, 10, and 11 of chip U6 are connected to the main control module through a resistor respectively, pin 3 of chip U6 is connected to one end of resistor R15 and one end of resistor R8, the other end of resistor R15 is connected to the main control module, and the other end of resistor R8 is connected to the voltage signal, pin 4 of chip U6 is connected to one end of resistor R18 and one end of resistor R7, the other end of resistor R18 is connected to the main control module, and the other end of resistor R7 is connected to the voltage signal.

[0018] As a further solution of the present invention: the audio module also includes a chip U7, the model of chip U7 is ES7210, and pins 2, 6, 8, and 9 of chip U7 are connected to the main control module through a resistor respectively. Pins 12 and 13 of chip U7 output voltage signals through a capacitor respectively, which are amplified by amplifier U9 and used as signals to drive the microphone. Pins 1 and 19 of chip U7 are respectively connected to pins 4 and 3 of chip U6.

[0019] As a further solution of the present invention: the touch button module includes touch chips U15, U16, and U17. The models of touch chips U15, U16, and U17 are TTP233H-HA6. The first end of the touch chip U15 is connected to the main control module and one end of the resistor R11, and the other end of the resistor R11 is connected to the voltage signal. Pin 3 of the touch chip U15 is connected to the first end of the touch cable J6. The first end of the touch chip U16 is connected to the main control module and one end of the resistor R9, and the other end of the resistor R9 is connected to the voltage signal. Pin 3 of the touch chip U16 is connected to the third and fourth ends of the touch cable J6. The first end of the touch chip U17 is connected to the main control module and one end of the resistor R10, and the other end of the resistor R10 is connected to the voltage signal. Pin 3 of the touch chip U17 is connected to the sixth end of the touch cable J6.

[0020] As a further solution of the present invention: the smart pen holder also includes a power supply module, which is used to realize USB-C interface access, introduce 5V voltage as the power supply, convert the 5V power supply into 3.3V voltage, and power the main control module, display module, communication module, audio module, and touch button module; the power supply module is connected to the main control module, display module, communication module, audio module, and touch button module.

[0021] Compared with the existing technology, the beneficial effects of the present invention are: the main control module, display module, communication module, audio module, and touch button module of the present invention cooperate with each other, so that the pen holder has information display, voice interaction and cloud album functions, which is not only suitable for daily office scenes, but also suitable for the information office needs of party and government agencies, providing users with a practical and interactive intelligent experience, effectively improving office and communication efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is the circuit diagram of the main control module.

[0023] Figure 2 The circuit diagram of the display module.

[0024] Figure 3 This is the circuit diagram of the communication module.

[0025] Figure 4 This is the circuit diagram of the audio module.

[0026] Figure 5 This is the circuit diagram of the touch button module.

[0027] Figure 6 This is the circuit diagram of the power module.

[0028] Figure 7 The figure shows a working diagram of a smart pen holder. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] See also Figure 1 , a smart pen holder, comprising:

[0031] Main control module, used for comprehensive control circuit operation;

[0032] The display module is used to receive signals from the main control module to display time, weather, schedule reminders and push text messages;

[0033] The communication module is used to realize networking and perform signal conversion between the communication module and the main control module, so that the main control module can read network information;

[0034] The audio module is used to convert the signal input by the microphone into audio data and output it to the main control module; the audio data input by the main control module is converted into an electrical signal, which is output through the microphone after passing through the power amplifier;

[0035] The touch button module is used to output the user touch voltage signal to the main control module to control the working state of the main control module;

[0036] The touch button module is connected to the main control module, and the main control module is connected to the display module, communication module, and audio module; the touch button module is set on the top of the pen barrel, the display module is set on the outer surface of the pen barrel, and the main control module, communication module, and audio module are set inside the pen barrel.

[0037] In this example: See Figure 1 The main control module includes a main control chip U1. The model of the main control chip U1 is ESP32-S3. The IO3, 8, 10, 11, 15, 16, 17, 18, 21, 45, 46, 47, and 48 pins of the main control chip U1 are connected to the display module. The IO1, 2, 4, 38, 39, 40, 41, and 42 pins of the main control chip U1 are connected to the audio module. The IO5, 6, and 7 pins of the main control chip U1 are connected to the touch button module. The IO12, 13, and 14 pins of the main control chip U1 are connected to the communication module.

[0038] The IO15 pin of the main control chip U1 is used for backlight and is connected to the backlight chip U2 by the main control chip U1.

[0039] IO16, 17, 18, 8, 47, 48, 21, 11, 10, 45, 46, and 3 pins are used for screen control and are connected to the display screen by the main control chip U1 through the display screen connector J3.

[0040] IO42, 41, 40, 38, and 39 pins are used for audio data and are connected by the main control chip U1 to the audio chips U6 and U7.

[0041] IO1 and IO2 pins are used to control the audio chips U6 and U7, and the main control chip U1 is connected to the control signal of the audio chip.

[0042] The IO4 pin is used to enable the audio amplifier and is connected to the audio amplifier by the main control chip U1.

[0043] IO5, 6, and 7 pins are used for key input and are connected to touch key chips U15, U16, and U17 by the main control chip U1.

[0044] IO14, 13, and 12 pins are used for communication with the CAT1 module to complete information exchange.

[0045] IO19 and 20 pins are used for USB and are connected to the power module by the main control chip U1. The power module introduces voltage through USB, and the main control chip U1 can also perform USB communication.

[0046] In this example: See Figure 2 The display module includes chip U2 and display connector J3. The chip U2 model is ME2212AM6G, and the display connector J3 model is FPC 0.5MM_40P H2.0. Pin 4 of chip U2 is connected to one end of resistor R2 and one end of resistor R3. The other end of resistor R3 is grounded, and the other end of resistor R2 is connected to the main control module. Pin 5 of chip U2 is connected to pin 33 of display connector J3 and the cathode of diode D1. The anode of diode D1 is connected to pin 1 of chip U2. Pin 3 of chip U2 is connected to pins 34, 35, and 36 of the display connector through resistor R4. Pins 8, 10, 15, and 17-24 of display connector J3 are connected to the main control module. Pin 11 of display connector J3 is connected to the main control module through resistor R68.

[0047] Chip U2 is a backlight chip that converts the control signal of the main control chip U1 into the brightness of the screen backlight and controls the brightness of the display.

[0048] In this example: See Figure 3 The communication module includes a chip U4, which is an integrated 307 series CAT1 module. Pin 35 of the chip U4 is connected to the first end of the antenna connector J8, and the second end of the antenna connector J8 is grounded. Pin 17 of the chip U4 is connected to the collector of the transistor Q2 and one end of the resistor R27. The other end of the resistor R27 is connected to the voltage signal. The base of the transistor Q2 is connected to one end of the resistor R29 and one end of the capacitor C22. The other end of the resistor R29 is connected to the other end of the capacitor C22 and the voltage signal. The emitter of the transistor Q2 is connected to the main control module; pin 18 of the chip U4 is connected to the emitter of the transistor Q1, the base of the transistor Q1 is connected to one end of the resistor R28 and one end of the capacitor C21, the other end of the resistor R28 is connected to the other end of the capacitor C21 and the voltage signal. The collector of the transistor Q1 is connected to one end of the resistor R30 and the main control module, and the other end of the resistor R30 is connected to the voltage signal.

[0049] Chip U4 connects to the base station network, enabling networking. Simultaneously, chip U4 and main control chip U1 exchange information, allowing main control chip U1 to obtain networked information. Transistors Q1 and Q2 are located in a level-shifting circuit, enabling signal conversion between chip U4 and main control chip U1.

[0050] In this example: See Figure 3 The communication module also includes a SIM card connector J9, and pins 1, 2, 3, and 7 of the SIM card connector J9 are connected to pins 14, 12, 13, and 11 of the chip U4.

[0051] The SIM card connector J9 can be used to insert a SIM card to register the device's network access permission.

[0052] In this example: See Figure 4 The audio module includes chip U6, the model of chip U6 is ES8311, pin 24 of chip U6 introduces the microphone signal, pins 15, 16, 19, and 20 of chip U6 introduce the microphone signal through a capacitor respectively, pins 5, 9, 10, and 11 of chip U6 are connected to the main control module through a resistor respectively, pin 3 of chip U6 is connected to one end of resistor R15 and one end of resistor R8, the other end of resistor R15 is connected to the main control module and one end of capacitor C9, the other end of capacitor C9 is grounded, and the other end of resistor R8 is connected to the voltage signal, pin 4 of chip U6 is connected to one end of resistor R18 and one end of resistor R7, the other end of resistor R18 is connected to the main control module and one end of capacitor C8, the other end of capacitor C8 is grounded, and the other end of resistor R7 is connected to the voltage signal.

[0053] Chip U6 converts the microphone signal into an audio signal and outputs it to the main control chip U1 for reading. Resistors R15, R18, R7, R9 and capacitors C8 and C9 convert the control signal of the main control chip U1 into a purer signal to reduce interference.

[0054] In this example: See Figure 4 The audio module also includes chip U7, the model of chip U7 is ES7210. Pins 2, 6, 8, and 9 of chip U7 are connected to the main control module through a resistor respectively. Pins 12 and 13 of chip U7 output voltage signals through a capacitor respectively, which are amplified by amplifier U9 and used as signals to drive the microphone. Pins 1 and 19 of chip U7 are connected to pins 4 and 3 of chip U6 respectively.

[0055] Chip U7 converts the audio signal from the main control chip U1 into a voltage signal, which drives the microphone after passing through amplifier U9 to realize voice prompts.

[0056] Figure 4 J4 and J7 are microphone connectors, which form a microphone driver circuit with the adjacent circuit to ensure the normal operation of the microphone. The audio signal output by the microphone is connected to the chip U6. A dual-microphone array is set here to collect clear voice.

[0057] In this example: See Figure 5The touch button module includes touch chips U15, U16, and U17. The models of touch chips U15, U16, and U17 are TTP233H-HA6. The first end of the touch chip U15 is connected to the main control module and one end of the resistor R11, and the other end of the resistor R11 is connected to the voltage signal. Pin 3 of the touch chip U15 is connected to the first end of the touch cable J6, the first end of the touch chip U16 is connected to the main control module and one end of the resistor R9, and the other end of the resistor R9 is connected to the voltage signal. Pin 3 of the touch chip U16 is connected to the third and fourth ends of the touch cable J6, the first end of the touch chip U17 is connected to the main control module and one end of the resistor R10, and the other end of the resistor R10 is connected to the voltage signal. Pin 3 of the touch chip U17 is connected to the sixth end of the touch cable J6.

[0058] When the user touches the corresponding port of the touch cable J6, it is converted into a voltage signal. The corresponding touch chip's pin 3 receives the voltage signal and feeds it back to the main control chip U1 to achieve touch control.

[0059] In this example: See Figure 6 The smart pen holder also includes a power module for realizing USB-C interface access, introducing 5V voltage as power supply, converting 5V power supply into 3.3V voltage, and supplying power to the main control module, display module, communication module, audio module, and touch button module; the power module is connected to the main control module, display module, communication module, audio module, and touch button module.

[0060] In the diagram, J5 is a USB connector connected to the USB board. J12 is a USB-C connector located on the USB board, providing power and USB communication with the main control chip U1. Chip U13 is a voltage regulator chip that converts the 5V input voltage signal from the USB to a 3.3V voltage signal. Arrows in the diagram indicate voltage signals, and triangles indicate ground.

[0061] In this example: See Figures 1 to 7 , Figure 7 The three buttons on the top are touch-sensitive buttons, and the page below is the display module. Usage: Users use touch buttons to select different pages and view daily information such as time, weather, and schedule. After network configuration is complete, the device automatically connects to the server, enabling AI interaction and cloud photo album functions. Users can also long-press the middle button at any time to input voice commands, enabling daily affairs arrangements, information queries, and various intelligent interactions. The specific process is as follows:

[0062] The main control module connects to the internet via the communication module, and relevant content is displayed on the display module. The homepage, accessed by touching the left button, displays the time, weather, schedule reminders, and text push notifications. The time function retrieves the current time for convenient office users. The weather function uses IP location to obtain local weather information, helping users plan their travels. Text push notifications display famous quotes, customized advertising messages, or gift messages, updated by the cloud.

[0063] The AI ​​interaction page supports voice interaction by short-pressing or long-pressing the center button. For AI conversations, long-pressing the center button initiates voice input, which then undergoes STT -> AI model generation -> TTS processing with the backend, enabling real-time conversations. This is suitable for daily office Q&A and simple tasks like setting reminders and searching for information. A personalized command library adapts to everyday language used in party and government agencies and common government knowledge, supporting customized voice content for the gift market.

[0064] Short-press the right button on the Cloud Album page to enter the Album page. The Album displays images uploaded by the user through the app or mini-program. The device stores and rotates the three most recently uploaded photos, making it suitable for displaying as a commemorative album or a message page in the gift market. You can set the carousel mode, interval time, and photo transition effects to enhance the display effect.

[0065] The network configuration page is accessed for the first time or by long pressing the left button. QR code configuration generates a unique network configuration QR code, which you scan using the app or mini-program to complete device WiFi binding. The network configuration process synchronizes WiFi information via BLE, enabling a secure and convenient connection.

[0066] Pop-up notifications are triggered by server push notifications. They periodically push important notifications, urgent information, or customized content, such as important meeting reminders, policy updates, or event announcements. To close a pop-up window, briefly press the center button.

[0067] This invention features information display, voice interaction, and cloud photo album functionality, making it suitable not only for everyday office work but also for the information-based office needs of Party and government agencies, and is also attractive in the gift market. This smart pen holder provides users with a practical and interactive smart experience, effectively improving office and communication efficiency.

[0068] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as exemplary and non-restrictive.

[0069] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A smart pen holder, characterized in that: The smart pen holder includes: Main control module, used for comprehensive control circuit operation; The display module is used to receive signals from the main control module to display time, weather, schedule reminders and push text messages; The communication module is used to realize networking and perform signal conversion between the communication module and the main control module, so that the main control module can read network information; The audio module is used to convert the signal input by the microphone into audio data and output it to the main control module; the audio data input by the main control module is converted into an electrical signal, which is output through the microphone after passing through the power amplifier; The touch button module is used to output the user touch voltage signal to the main control module to control the working state of the main control module; The touch button module is connected to the main control module, and the main control module is connected to the display module, the communication module, and the audio module; the touch button module is arranged on the top of the pen barrel, the display module is arranged on the outer surface of the pen barrel, and the main control module, the communication module, and the audio module are arranged inside the pen barrel; The communication module includes chip U4, which is an integrated 307 series CAT1 module. Pin 35 of chip U4 is connected to the first end of antenna connector J8, and the second end of antenna connector J8 is grounded. Pin 17 of chip U4 is connected to the collector of transistor Q2 and one end of resistor R27. The other end of resistor R27 is connected to the voltage signal. The base of transistor Q2 is connected to one end of resistor R29 and one end of capacitor C22. The other end of resistor R29 is connected to the other end of capacitor C22 and the voltage signal. The emitter of transistor Q2 is connected to the main control module; pin 18 of chip U4 is connected to the emitter of transistor Q1. The base of transistor Q1 is connected to one end of resistor R28 and one end of capacitor C21. The other end of resistor R28 is connected to the other end of capacitor C21 and the voltage signal. The collector of transistor Q1 is connected to one end of resistor R30 and the main control module, and the other end of resistor R30 is connected to the voltage signal.

2. The smart pen holder according to claim 1, characterized in that: The main control module includes a main control chip U1. The model of the main control chip U1 is ESP32-S3. Pins IO3, 8, 10, 11, 15, 16, 17, 18, 21, 45, 46, 47, and 48 of the main control chip U1 are connected to the display module. Pins IO1, 2, 4, 38, 39, 40, 41, and 42 of the main control chip U1 are connected to the audio module. Pins IO5, 6, and 7 of the main control chip U1 are connected to the touch button module. Pins IO12, 13, and 14 of the main control chip U1 are connected to the communication module.

3. The smart pen holder according to claim 1, characterized in that: The display module includes chip U2 and display connector J3. The model of chip U2 is ME2212AM6G, and the model of display connector J3 is FPC 0.5MM_40P H2.

0. Pin 4 of chip U2 is connected to one end of resistor R2 and one end of resistor R3. The other end of resistor R3 is grounded. The other end of resistor R2 is connected to the main control module. Pin 5 of chip U2 is connected to pin 33 of display connector J3 and the cathode of diode D1. The anode of diode D1 is connected to pin 1 of chip U2. Pin 3 of chip U2 is connected to pins 34, 35, and 36 of the display connector through resistor R4. Pins 8, 10, 15, and 17-24 of display connector J3 are connected to the main control module. Pin 11 of display connector J3 is connected to the main control module through resistor R68.

4. The smart pen holder according to claim 1, characterized in that: The communication module also includes a SIM card connector J9, and pins 1, 2, 3, and 7 of the SIM card connector J9 are connected to pins 14, 12, 13, and 11 of the chip U4.

5. The smart pen holder according to claim 1, characterized in that: The audio module includes chip U6, the model of chip U6 is ES8311, pin 24 of chip U6 introduces the microphone signal, pins 15, 16, 19 and 20 of chip U6 introduce the microphone signal through a capacitor respectively, pins 5, 9, 10 and 11 of chip U6 are connected to the main control module through a resistor respectively, pin 3 of chip U6 is connected to one end of resistor R15 and one end of resistor R8, the other end of resistor R15 is connected to the main control module, and the other end of resistor R8 is connected to the voltage signal, pin 4 of chip U6 is connected to one end of resistor R18 and one end of resistor R7, the other end of resistor R18 is connected to the main control module, and the other end of resistor R7 is connected to the voltage signal.

6. The smart pen holder according to claim 5, characterized in that: The audio module also includes chip U7, the model of chip U7 is ES7210. Pins 2, 6, 8, and 9 of chip U7 are connected to the main control module through a resistor respectively. Pins 12 and 13 of chip U7 output voltage signals through a capacitor respectively, which are amplified by amplifier U9 and used as signals to drive the microphone. Pins 1 and 19 of chip U7 are connected to pins 4 and 3 of chip U6 respectively.

7. The smart pen holder according to claim 1, characterized in that: The touch button module includes touch chips U15, U16, and U17. The models of touch chips U15, U16, and U17 are TTP233H-HA6. The first end of the touch chip U15 is connected to the main control module and one end of the resistor R11, and the other end of the resistor R11 is connected to the voltage signal. Pin 3 of the touch chip U15 is connected to the first end of the touch cable J6. The first end of the touch chip U16 is connected to the main control module and one end of the resistor R9. The other end of the resistor R9 is connected to the voltage signal. Pin 3 of the touch chip U16 is connected to the third and fourth ends of the touch cable J6. The first end of the touch chip U17 is connected to the main control module and one end of the resistor R10. The other end of the resistor R10 is connected to the voltage signal. Pin 3 of the touch chip U17 is connected to the sixth end of the touch cable J6.

8. The smart pen holder according to any one of claims 1 to 7, characterized in that: The smart pen holder also includes a power module for realizing USB-C interface access, introducing 5V voltage as the power supply, converting the 5V power supply into 3.3V voltage to power the main control module, display module, communication module, audio module, and touch button module; the power module is connected to the main control module, display module, communication module, audio module, and touch button module.