Campus anti-spoofing intelligent voice recognition alarm system
The campus anti-bullying intelligent voice recognition alarm system, which integrates a main control chip and multiple circuit modules, solves the problems of untimely response and difficulty in obtaining evidence in traditional systems. It achieves efficient voice recognition and instant alarm, enhancing the real-time performance and stability of campus security management.
Patent Information
- Application Number
- CN202423038593.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Traditional campus security management systems are slow to respond, difficult to collect evidence, and complex to manage, making it difficult to effectively prevent and deal with bullying incidents.
A campus anti-bullying intelligent voice recognition alarm system was designed, integrating circuit components such as a main control chip, power module, voice module, OLED module, and WiFi module. It can identify sensitive voice words in real time and trigger alarms, supports remote monitoring and data storage, and enhances on-site intervention capabilities and system stability.
It achieves efficient voice recognition and instant alarm, provides comprehensive display and time synchronization functions, enhances on-site intervention capabilities, supports remote monitoring and data storage, facilitates users' understanding of system status, and ensures that the system can resume normal operation in abnormal situations.
Smart Images

Figure CN223651054U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of campus security and prevention equipment, specifically a campus anti-bullying intelligent voice recognition alarm system. Background Technology
[0002] School bullying is a serious social problem that severely impacts students' learning and lives. Traditional school safety management methods typically rely on manual monitoring and student reports, which suffer from problems such as untimely response and difficulty in obtaining evidence. Developing an intelligent voice recognition alarm system is of great significance in improving the efficiency and accuracy of school safety management. This system can promptly detect and address bullying incidents by monitoring and identifying abnormal sounds on campus in real time, thus protecting students' safety and mental well-being.
[0003] Existing anti-bullying measures on campus typically have the following shortcomings:
[0004] Slow response: Traditional monitoring methods rely on manual observation, which results in a slow response time and makes it difficult to detect and deal with bullying incidents in the first instance.
[0005] Difficulty in obtaining evidence: School bullying incidents often occur in hidden places, and there is a lack of effective means of collecting evidence.
[0006] Complex management: Traditional management systems require a large investment of human and material resources, resulting in high management costs and difficulty in covering all areas. Utility Model Content
[0007] (a) Technical problems to be solved
[0008] To address the shortcomings of existing technologies, this utility model provides an intelligent voice recognition alarm system for preventing bullying on campus.
[0009] (II) Technical Solution
[0010] To achieve the above objectives, this utility model provides the following technical solution: A campus anti-bullying intelligent voice recognition alarm system of this utility model includes a circuit board. The circuit board is equipped with a main control chip, a power module, a step-down chip, a clock circuit, an OLED module, a WiFi module, a filter capacitor, an audible and visual alarm circuit, a crystal oscillator circuit, a voice module, a button circuit, and a reset circuit. The circuit board has pin headers, which act as circuit bridges for inserting various electrical components and transmitting circuit signals to each component. The power module is connected to the circuit board via the step-down chip. The WiFi module, voice module, OLED module, audible and visual alarm circuit, crystal oscillator circuit, button circuit, and reset circuit are all electrically connected to the main control chip via pin headers. The main control chip is connected to the voice module, OLED module, audible and visual alarm circuit, button circuit, reset circuit, and clock circuit via the crystal oscillator circuit. The voice module is used to set and recognize sensitive voice words. The OLED module is used to connect to a display screen. The audible and visual alarm circuit is used to connect a buzzer and an indicator light. The clock circuit is connected to the display screen for automatic time synchronization. The button circuit and reset circuit are used to connect control keys and a reset key.
[0011] Preferably, the power module is provided with a power interface, the power interface is a Type-C port, and the power interface supports the input of 5V power.
[0012] More preferably, a filter capacitor is provided between the power module and the step-down chip, and the step-down chip and the power module are electrically connected to the filter capacitor.
[0013] Preferably, the step-down chip is a VCC5V-3.3V step-down chip.
[0014] Preferably, the main control chip is equipped with an SWD interface, which is used to connect an external speaker.
[0015] More preferably, the WiFi module uses the ESP8266 WiFi chip.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, this utility model provides a campus anti-bullying intelligent voice recognition alarm system, which has the following beneficial effects:
[0018] High-efficiency voice recognition and instant alarm:
[0019] The system uses a voice module to set and recognize sensitive words. When abusive or distressing words are heard from the outside world, it can quickly identify and trigger an alarm mechanism, effectively preventing school bullying incidents.
[0020] Loudspeakers broadcast warning messages to promptly alert people in the surrounding area and enhance on-site intervention capabilities.
[0021] Comprehensive display and time synchronization functions:
[0022] The OLED module connects to the display screen to show the system status and time in real time, making it easy for users to understand the system's operating status.
[0023] Flexible control and reset design:
[0024] The button circuit and reset circuit are connected to the control button and reset button respectively. Users can adjust the function parameters of the main control chip by controlling the buttons to meet their personalized needs.
[0025] The reset button restores the device to its initial state, ensuring that the system can quickly resume normal operation in abnormal situations and improving system stability.
[0026] Convenient remote monitoring and data storage:
[0027] After receiving alarm notifications, the main control chip can upload the data to the cloud via the WiFi module, enabling remote monitoring and management, allowing schools or parents to stay informed about campus safety.
[0028] Optimized power supply and circuit design:
[0029] The power module uses a Type-C power interface and supports 5V power supply, making it convenient for users to connect a power source.
[0030] A filter capacitor is installed between the power module and the step-down chip to improve power stability and ensure normal system operation.
[0031] The step-down chip uses a VCC5V-3.3V step-down chip to provide a stable 3.3V voltage to the circuit board and ensure system performance.
[0032] Enhanced alarm sound propagation:
[0033] The main control chip is equipped with an SWD interface for connecting an external speaker to enhance the propagation of the alarm sound and ensure that the alarm sound can be heard clearly even in noisy environments.
[0034] High-performance WiFi module and workflow optimization:
[0035] The WiFi module uses the ESP8266 Wi-Fi chip, which features high performance and low power consumption, enabling stable wireless connection and data transmission, and improving system response speed.
[0036] In summary, this campus anti-bullying intelligent voice recognition alarm system provides comprehensive and efficient protection for campus safety through its efficient voice recognition, instant alarm, comprehensive display and time synchronization, flexible operation and reset, convenient remote monitoring and data storage, optimized power supply and circuit design, and enhanced alarm sound propagation. Attached Figure Description
[0037] Figure 1 This is a schematic diagram of the overall system flow of this utility model;
[0038] Figure 2 This is a schematic diagram of the overall circuit structure of this utility model; Detailed Implementation
[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0040] Please see Figure 1-2 This utility model discloses a campus anti-bullying intelligent voice recognition alarm system, comprising a circuit board. The circuit board is equipped with a main control chip, a power module, a step-down chip, a clock circuit, an OLED module, a WiFi module, a filter capacitor, an audible and visual alarm circuit, a crystal oscillator circuit, a voice module, a button circuit, and a reset circuit. The circuit board has pin headers, which act as circuit bridges for inserting various electrical components and transmitting circuit signals to them. The power module is connected to the circuit board via the step-down chip. The WiFi module, voice module, OLED module, audible and visual alarm circuit, crystal oscillator circuit, button circuit, and reset circuit are all electrically connected to the main control chip via pin headers. The main control chip is connected to the voice module, OLED module, audible and visual alarm circuit, button circuit, reset circuit, and clock circuit via the crystal oscillator circuit. The voice module is used to set and recognize sensitive voice words. The OLED module is used to connect to a display screen. The audible and visual alarm circuit is used to connect a buzzer and an indicator light. The clock circuit is connected to the display screen for automatic time synchronization. The button circuit and reset circuit are used to connect control keys and a reset key.
[0041] The working principle of this campus anti-bullying intelligent voice recognition alarm system is as follows:
[0042] Power Connection and Initialization: The system connects to a 5V power supply via a power module, and a step-down chip reduces the voltage to 3.3V for use by the circuit board. The power module has a Type-C power interface that supports 5V power input.
[0043] Module Connection and Signal Transmission: The circuit board has pin headers that act as circuit bridges for inserting and connecting various electrical components and transmitting circuit signals. The WiFi module, voice module, OLED module, sound and light alarm circuit, crystal oscillator circuit, button circuit, and reset circuit are all electrically connected to the main control chip via pin headers.
[0044] Voice Recognition and Alarm: The voice module is used to set and recognize sensitive speech words. When abusive language or cries for help are heard, the voice module recognizes them and plays a warning message through a loudspeaker. If the sensitive words are recognized again, the audible and visual alarm circuit is activated, the buzzer sounds an alarm, and the indicator light flashes rapidly.
[0045] Display and Time Synchronization: The OLED module connects to the display screen to show system status and time. The clock circuit connects to the main control chip via a crystal oscillator circuit, and receives mobile data through the main control chip for automatic time synchronization, ensuring the accuracy of the time displayed on the screen.
[0046] The main control chip is connected to various electrical components through a crystal oscillator circuit, providing a precise clock signal for the entire device and ensuring that all parts of the device can work synchronously.
[0047] Control and Reset: The button circuit and reset circuit are connected to the control button and reset button respectively. The control button is used to adjust the function parameters of the main control chip, and the reset button restores the device to the initial state, ensuring that the system can resume normal operation in abnormal situations.
[0048] Remote monitoring and data storage: After receiving alarm prompts, the main control chip can upload data to the cloud via WiFi module. The main control chip can be configured with a storage module to store the audio recorded by the voice module for easy retrieval and playback later.
[0049] Working principle of the optimal solution
[0050] Power module optimization: A filter capacitor is installed between the power module and the buck converter chip to filter out noise in the power supply and improve power stability. The buck converter chip uses a VCC5V-3.3V buck converter chip to ensure that the circuit board receives a stable 3.3V voltage.
[0051] Main control chip expansion: The main control chip is equipped with an SWD interface for connecting an external speaker to enhance the propagation of alarm sounds.
[0052] WiFi module optimization: The WiFi module uses the ESP8266 Wi-Fi chip, which features high performance and low power consumption, enabling stable wireless connection and data transmission.
[0053] Workflow Optimization: After the system is powered on, turn on your mobile hotspot or WiFi hotspot, and the device will automatically connect. The time on the LED screen will automatically calibrate after connection. When sensitive words are detected, the system will immediately record audio and play a warning message. If sensitive words are detected again, the audible and visual alarm circuit will activate. The main control chip uploads the alarm information to the cloud via the WiFi module, and the alarm can be stopped via button press or remote control. Recordings can be played back and viewed on the device.
[0054] In summary, this campus anti-bullying intelligent voice recognition alarm system, through the integration of multiple circuit modules and optimized solutions, achieves efficient and stable voice recognition and alarm functions, providing strong protection for campus safety.
[0055] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A campus anti-bullying intelligent voice recognition alarm system, characterized in that, The system includes a circuit board on which a main control chip, a power module, a step-down chip, a clock circuit, an OLED module, a WiFi module, a filter capacitor, an audible and visual alarm circuit, a crystal oscillator circuit, a voice module, a button circuit, and a reset circuit are configured. The circuit board has pin headers that act as circuit bridges for inserting various electrical components and transmitting circuit signals to them. The power module is connected to the circuit board via the step-down chip. The WiFi module, voice module, OLED module, audible and visual alarm circuit, crystal oscillator circuit, button circuit, and reset circuit are all electrically connected to the main control chip via pin headers. The main control chip is connected to the voice module, OLED module, audible and visual alarm circuit, button circuit, reset circuit, and clock circuit via the crystal oscillator circuit. The voice module is used to set and recognize sensitive voice words. The OLED module is used to connect to the display screen. The audible and visual alarm circuit is used to connect a buzzer and indicator lights. The clock circuit is connected to the display screen for automatic time synchronization. The button circuit and reset circuit are used to connect control buttons and a reset button.
2. The campus anti-bullying intelligent voice recognition alarm system according to claim 1, characterized in that, The power module is equipped with a power interface, which is a Type-C port and supports 5V power supply.
3. The campus anti-bullying intelligent voice recognition alarm system according to claim 2, characterized in that, A filter capacitor is provided between the power module and the step-down chip, and the step-down chip and the power module are electrically connected to the filter capacitor.
4. The campus anti-bullying intelligent voice recognition alarm system according to claim 3, characterized in that, The step-down chip is a VCC5V-3.3V step-down chip.
5. The campus anti-bullying intelligent voice recognition alarm system according to claim 4, characterized in that, The main control chip is equipped with an SWD interface, which is used to connect an external speaker.
6. The campus anti-bullying intelligent voice recognition alarm system according to claim 5, characterized in that, The WiFi module uses the ESP8266 WiFi chip.