Intelligent calibration digital clock

Abstract

The utility model provides a kind of intelligent calibration digital clock belongs to electronic clock technical field, it solves the technical problems such as existing electronic clock time error, calibration inconvenience and man-machine interaction experience poor etc. Including rotating counterweight seat, electronic clock is equipped between the two supporting arms of rotating counterweight seat, buzzer is equipped in electronic clock, alarm button and thirteen input buttons are equipped on electronic clock, rear end cover is screw-connected on the back side of electronic clock, control panel is equipped between electronic clock and rear end cover, four electronic display tubes are equipped on control panel;Wireless communication module, button response module, data processing module, buzzer control module, display driving module, power management module and data storage module are equipped on control panel. The utility model wireless network automatic synchronization standard time, realize high-precision automatic calibration, have the advantages such as multi-angle viewing, intelligent alarm clock reminding and multiple display modes, effectively improve the practicability and use experience of electronic clock.

Description

Technical Field

[0001] This utility model belongs to the field of electronic clock technology, and relates to an intelligent calibration clock, particularly an intelligent calibration digital clock. Background Technology

[0002] With the development of electronic technology, digital clocks have been widely used in daily life and work. Traditional electronic clocks mainly use crystal oscillators as time references, but due to factors such as temperature changes and component aging, timing errors can accumulate, requiring regular manual calibration.

[0003] In recent years, smart clocks using the Network Time Protocol (NTP) have emerged, obtaining standard time by connecting to the internet. However, most existing products suffer from the following shortcomings: relatively simple functions, lack of comprehensive alarm management and multiple display modes; poor human-computer interaction experience, and complex setup and operation processes.

[0004] Therefore, we propose an intelligent calibration digital clock that achieves multi-angle suspension through a U-shaped rotating counterweight and damping shaft, features an anti-slip tooth design for easy operation, a built-in charging port for convenient charging, automatic network calibration of time, support for multiple display modes, intelligent recognition of button operations, provides rich time information, collaborative operation of various modules, intelligent power management to reduce power consumption, secure data storage, and comprehensive intelligent reminder functions. Summary of the Invention

[0005] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing an intelligent calibration digital clock. The technical problem this invention aims to solve is: how to achieve intelligent clock calibration, and how to realize multi-mode clock display and intelligent alarm setting and reminders.

[0006] The objective of this utility model can be achieved through the following technical solutions: A smart calibration digital clock includes a rotating counterweight base with a U-shaped structure. An electronic clock is rotatably mounted between two arms of the rotating counterweight base via a damping shaft. The electronic clock contains a buzzer and has an alarm button and thirteen input buttons. The alarm button is located on the top outer side of the electronic clock, and the thirteen input buttons are located on the left and right sides of the alarm button. A rear end cover is screwed to the rear side of the electronic clock. A control board is located between the electronic clock and the rear end cover. The control board has four electronic display tubes embedded in the electronic clock and extending to the front display area of ​​the electronic clock. A rechargeable battery is integrated into the control board. The control board is equipped with a wireless communication module, a button response module, a data processing module, a buzzer control module, a display driver module, a power management module, a data storage module, and a clock calibration module.

[0007] The working principle of this utility model is as follows: the rotating counterweight seat enables the electronic clock to rotate stably and maintain any position through its U-shaped structure and damping shaft. The alarm button and input button on the electronic clock are used for user operation. The wireless communication module on the control board automatically connects to the WiFi network and obtains standard time data from the time server. The clock calibration module automatically calibrates the local time based on this data. The data processing module parses the time information and manages the alarm clock settings. The display driving module controls four electronic display tubes to display the current time, alarm time, or switch between displaying seconds and year information. The button response module detects the user's operation of the alarm button and input button to switch the display mode, set or delete the alarm. The data storage module stores the alarm clock parameters. When the current time matches the set alarm time, the buzzer control module drives the buzzer to ring. The power management module coordinates the charging and discharging of the rechargeable battery to ensure stable system operation.

[0008] The electronic clock has a mounting slot on its rear side and a clearance opening extending to the front of the inside of the electronic clock. The control board is set in the mounting slot, and four electronic display tubes are embedded in the clearance opening. The input buttons include ten numeric buttons and three function buttons.

[0009] With the above structure, the mounting slot is used to accommodate the control board. The clearance opening on the electronic clock extends from the rear to the front inside, allowing the four electronic display tubes on the control board to be embedded inside the clearance opening and display facing forward. Users input time parameters by operating ten numeric buttons and switch functions by using three function buttons. The control board works in coordination with its integrated functional modules to ensure the complete realization of time display, alarm clock setting, automatic calibration, and ringing reminder functions.

[0010] The outer side of the rear end cover is provided with several anti-slip teeth evenly distributed in a circle. The front side of the rear end cover has a tightening ring, which is screwed into the mounting groove. The rear side of the rear end cover has a charging port.

[0011] With the above structure, the anti-slip teeth on the outer side of the rear cover increase the coefficient of friction, providing users with a reliable grip surface. Users can easily rotate the rear cover to screw the front tightening ring into the mounting groove, forming a stable enclosure for the control board. A charging port is provided on the rear side of the rear cover, allowing the device to charge the rechargeable battery on the control board while it is fully assembled. This enables convenient power management and ensures the continuous and stable operation of each functional module.

[0012] The wireless communication module uses an ESP8266 chip, which automatically connects to the Internet through its built-in WiFi connection function and connects to a preset NTP time server to periodically obtain standard time data. It interacts with the data processing module through a serial communication interface, periodically synchronizes the time and receives the returned time parameters, and has a built-in network reconnection mechanism to automatically reconnect when the network is abnormal.

[0013] With the above structure, the wireless communication module automatically connects to the preset NTP time server via its built-in WiFi connection function to periodically obtain standard time data. This module establishes data interaction with the data processing module through a serial communication interface, transmitting the obtained standard time data to the data processing module for parsing and processing, and coordinating time synchronization through the data processing module. The wireless communication module automatically detects network connection anomalies through a network reconnection mechanism and automatically triggers the reconnection procedure to ensure the continuous and stable operation of the time synchronization function, thereby ensuring the accuracy of the electronic clock's time display.

[0014] The button response module monitors and collects the input signals from the alarm button, ten numeric buttons, and three function buttons in real time. Through signal filtering and debouncing, it accurately identifies the user's short press and long press operation types, and transmits the processed instruction data to the data processing module to coordinate the function response of each system. It also calls the corresponding processing logic according to the button operation mode: the numeric buttons are used for time parameter input, and the three function buttons correspond to alarm clock display switching, time setting confirmation / cancellation, and display mode cycling functions, respectively.

[0015] Using the above structure, the button response module monitors and collects the input signals from the alarm button, ten numeric buttons, and three function buttons in real time. Through signal filtering and debouncing, it accurately identifies the user's short press and long press operation types. The collected operation signals are then sent to the data processing module, which parses them and calls the corresponding processing logic. The module coordinates with the display driver module to update the display content of the four electronic display tubes and saves the alarm clock parameters set by the user through the data storage module.

[0016] The data processing module is responsible for coordinating the data interaction and logic control of each functional module: parsing the NTP time data transmitted by the wireless communication module, comparing the generated standard time parameters with the current local time maintained internally by the electronic clock, and outputting corresponding calibration commands to the electronic clock and the four electronic display tubes respectively based on the comparison results; receiving command data transmitted by the button response module, calling the alarm clock setting, time adjustment and display mode switching logic, and sending a trigger signal to the buzzer control module when the time matches by comparing the current time with the alarm clock setting parameters in the data storage module in real time.

[0017] Using the above structure, the data processing module is responsible for coordinating the data interaction and logic control of each functional module, parsing the NTP time data transmitted by the wireless communication module and generating time parameters of year, month, day, hour, minute, and second. After comparing it with the current time, it outputs corresponding calibration commands to the electronic clock and the four electronic display tubes respectively. At the same time, this module receives the command data transmitted by the button response module, calls the alarm clock setting, time adjustment, and display mode switching logic, saves the user-set parameters through the data storage module, and compares the current time with the stored alarm clock parameters in real time. When the time matches, it sends a trigger signal to the buzzer control module, thereby realizing the complete and coordinated operation of automatic time calibration, intelligent alarm reminder, and human-computer interaction functions.

[0018] The buzzer control module receives the trigger signal sent by the data processing module, controls the buzzer to emit a prompt tone through the built-in drive circuit, supports multiple audio mode outputs, produces intermittent ringing when the alarm is triggered, and realizes the manual alarm-stopping function by monitoring the input signal of the button response module.

[0019] With the above structure, the buzzer control module receives the trigger signal sent by the data processing module, converts the digital signal into the corresponding audio signal through the built-in drive circuit, and controls the buzzer to emit a prompt tone. The module supports multiple audio mode outputs, generates intermittent ringing when the alarm is triggered, and immediately stops ringing when any button operation is detected by the input signal of the button response module in real time, realizing the manual alarm shutdown function. At the same time, it has an automatic delay shutdown mechanism to ensure that the alarm will automatically stop when no one is operating it, thereby realizing precise control and energy-saving management of the buzzer.

[0020] The display driver module receives time data and display mode instructions transmitted by the data processing module, and drives four electronic display tubes to display time information; it has built-in multi-mode display logic, which includes normal hour and minute display, second display, and year display.

[0021] Using the above structure, the display driver module receives time data and display mode instructions transmitted by the data processing module, and drives the four electronic display tubes to display time information such as hour, minute, second, and year respectively through the dynamic scanning circuit. The module has built-in multi-mode display logic, which supports the cyclic switching of normal hour and minute display, second display and year display modes triggered by input buttons, as well as the display of set time parameters in alarm clock setting mode.

[0022] The power management module integrates a charge and discharge control circuit to monitor battery voltage and charging status in real time; it also has a multi-channel voltage output function to provide stable operating voltage for each functional unit.

[0023] With the above structure, the power management module integrates a charging and discharging control circuit. It connects to an external power source through the charging port on the rear cover to intelligently charge the rechargeable battery on the control board and monitors the battery voltage and charging status in real time. The module has a multi-channel voltage output function to provide stable operating voltage for the functional units of the wireless communication module, display driver module, and data processing module.

[0024] The data storage module uses a non-volatile memory chip and is connected to the data processing module through a serial communication interface to stably store the alarm clock time parameters and system configuration data set by the user. It has a power failure protection function to ensure that the stored data is not lost when the power supply is abnormal, and supports fast read and write access to the data.

[0025] With the above structure, the data storage module uses a non-volatile memory chip and connects to the data processing module through a serial communication interface. It stably stores multiple alarm time parameters set by the user through input buttons, as well as other system function logic configuration data. The module has a power failure protection function to ensure that the stored data is not lost when the power supply is abnormal, and supports fast read and write access to the data. It provides reliable data support for the data processing module's real-time time comparison, alarm trigger judgment, and system parameter recovery. At the same time, the data verification mechanism ensures the integrity and accuracy of the stored information.

[0026] Compared with existing technologies, this intelligent calibration digital clock has the following advantages: 1. By rotating the U-shaped structure of the counterweight base in conjunction with the damping shaft, the electronic clock can achieve multi-angle hovering function. Combined with the anti-slip teeth of the rear cover and the built-in charging port, the device achieves stability, ease of operation and convenient charging.

[0027] 2. The wireless communication module automatically connects to the NTP time server to achieve accurate automatic time synchronization. Combined with the multiple display modes supported by the display driver module and the intelligent button recognition of the button response module, it provides rich time information and flexible human-computer interaction methods.

[0028] 3. The data processing module coordinates the collaborative work of various functional modules, the power management module realizes intelligent charging and discharging and multi-channel voltage distribution, the data storage module ensures the safe storage of parameters, and the buzzer control module provides intelligent reminder functions, forming a highly integrated and low-power complete system solution. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of this utility model.

[0030] Figure 2 This is an exploded view of the front side of this utility model.

[0031] Figure 3 This is an exploded view of the rear side of this utility model.

[0032] In the diagram: 1. Rotating counterweight; 2. Electronic clock; 3. Rear end cover; 4. Input button; 5. Alarm button; 6. Electronic display tube; 7. Control board; 8. Charging port; 9. Tightening ring; 10. Anti-slip teeth; 11. Clearance opening. Detailed Implementation

[0033] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0034] like Figures 1-3 As shown, this intelligent calibration digital clock includes a rotating counterweight 1, which has a U-shaped structure. An electronic clock 2 is mounted between the two arms of the rotating counterweight 1 via a damping shaft. The electronic clock 2 has a buzzer inside and an alarm button 5 and thirteen input buttons 4 on it. The alarm button 5 is located on the top outer side of the electronic clock 2, and the thirteen input buttons 4 are located on the left and right sides of the alarm button 5. A rear end cover 3 is screwed to the rear side of the electronic clock 2. A control board 7 is located between the electronic clock 2 and the rear end cover 3. The control board 7 has four electronic display tubes 6, which are embedded in the electronic clock 2 and extend to the front display area of ​​the electronic clock 2. A rechargeable battery is integrated on the control board 7. The control board 7 is equipped with a wireless communication module, a button response module, a data processing module, a buzzer control module, a display driver module, a power management module, a data storage module, and a clock calibration module.

[0035] In this embodiment, the rotating counterweight 1 enables the electronic clock 2 to rotate stably and maintain any position through its U-shaped structure and damping shaft. The alarm button 5 and input button 4 on the electronic clock 2 are used for user operation. The wireless communication module on the control board 7 automatically connects to the WiFi network and obtains standard time data from the time server. The clock calibration module automatically calibrates the local time based on this data. The data processing module parses the time information and manages the alarm clock settings. The display driving module controls the four electronic display tubes 6 to display the current time, alarm time, or switch the display of seconds, year, and other information. The button response module detects the user's operation on the alarm button 5 and input button 4 to switch the display mode, set or delete the alarm. The data storage module stores the alarm clock parameters. When the current time matches the set alarm time, the buzzer control module drives the buzzer to ring. The power management module coordinates the charging and discharging of the rechargeable battery to ensure stable system operation.

[0036] The electronic clock 2 has a mounting slot on the rear side and a clearance opening 11 extending to the front of the electronic clock. The control board 7 is set in the mounting slot, and four electronic display tubes 6 are embedded in the clearance opening 11. The input button 4 includes ten numeric buttons and three function buttons.

[0037] In this embodiment, the mounting slot is used to accommodate the control board 7. The clearance 11 on the electronic clock 2 extends from the rear to the front inside, so that the four electronic display tubes 6 on the control board 7 can be embedded inside the clearance 11 and displayed facing forward. The user inputs time parameters by operating ten numeric buttons and performs function switching by three function buttons. The control board 7 works in coordination with its integrated functional modules to ensure the complete realization of time display, alarm clock setting, automatic calibration and ringing reminder functions.

[0038] The outer side of the rear end cover 3 is provided with several anti-slip teeth 10 evenly distributed in a circle. The front side of the rear end cover 3 has a tightening ring 9, which is screwed into the mounting groove. The rear side of the rear end cover 3 has a charging port 8.

[0039] In this embodiment, several anti-slip teeth 10 increase the coefficient of friction, providing users with a reliable grip surface. This allows users to rotate the rear end cover 3 so that the front tightening ring 9 is screwed into the mounting groove, forming a stable enclosure for the control board 7. The rear end cover 3 has a charging port 8 on its rear side, allowing the device to charge the rechargeable battery on the control board 7 while it is in a fully assembled state. This enables convenient power management and ensures the continuous and stable operation of each functional module.

[0040] The wireless communication module uses the ESP8266 chip, which automatically connects to the Internet through its built-in WiFi connection function and connects to the preset NTP time server to periodically obtain standard time data. It interacts with the data processing module through the serial communication interface, periodically synchronizes the time and receives the returned time parameters, and has a built-in network reconnection mechanism to automatically reconnect when the network is abnormal.

[0041] In this embodiment, the wireless communication module automatically connects to a preset NTP time server via its built-in WiFi connection function to periodically obtain standard time data. The module establishes data interaction with the data processing module through a serial communication interface, transmitting the obtained standard time data to the data processing module for parsing and processing, and coordinating time synchronization through the data processing module. The wireless communication module automatically detects network connection anomalies through a network reconnection mechanism and automatically triggers a reconnection procedure to ensure the continuous and stable operation of the time synchronization function, thereby ensuring the time display accuracy of the electronic clock 2.

[0042] The button response module monitors and collects the input signals of the alarm button 5, ten numeric buttons, and three function buttons in real time. Through signal filtering and debouncing, it accurately identifies different operation types such as short press and long press by the user, and transmits the processed instruction data to the data processing module to coordinate the function response of each system. It also calls the corresponding processing logic according to the button operation mode: the numeric buttons are used for time parameter input, and the three function buttons correspond to alarm clock display switching, time setting confirmation / cancellation, and display mode cycle switching functions, respectively.

[0043] In this embodiment, the button response module monitors and collects the input signals of the alarm button 5, the ten numeric buttons, and the three function buttons in real time. Through signal filtering and debouncing processing, it accurately identifies the user's short press and long press operation types. The collected operation signals are then sent to the data processing module. After parsing, the data processing module calls the corresponding processing logic, coordinates the display driver module to update the display content of the four electronic display tubes 6, and saves the alarm clock parameters set by the user through the data storage module.

[0044] The data processing module is responsible for coordinating the data interaction and logic control of various functional modules: parsing the NTP time data transmitted by the wireless communication module, comparing the generated standard time parameters with the current local time maintained inside the electronic clock 2, and outputting corresponding calibration commands to the electronic clock 2 and the four electronic display tubes 6 respectively based on the comparison results; receiving the command data transmitted by the button response module, calling the alarm clock setting, time adjustment and display mode switching logic, and sending a trigger signal to the buzzer control module when the time matches by comparing the current time with the alarm clock setting parameters in the data storage module in real time.

[0045] In this embodiment, the data processing module is responsible for coordinating the data interaction and logic control of various functional modules, parsing the NTP time data transmitted by the wireless communication module and generating time parameters such as year, month, day, hour, minute, and second. After comparing with the current time, it outputs corresponding calibration commands to the electronic clock 2 and the four electronic display tubes 6 respectively. At the same time, the module receives the command data transmitted by the button response module, calls the alarm clock setting, time adjustment, and display mode switching logic, saves the user-set parameters through the data storage module, and compares the current time with the stored alarm clock parameters in real time. When the time matches, it sends a trigger signal to the buzzer control module, thereby realizing the complete coordinated operation of automatic time calibration, intelligent alarm clock reminder, and human-computer interaction functions.

[0046] The buzzer control module receives the trigger signal sent by the data processing module, controls the buzzer to emit a prompt tone through the built-in drive circuit, supports multiple audio mode outputs, produces intermittent ringing when the alarm is triggered, and realizes the manual alarm-stopping function by monitoring the input signal of the button response module.

[0047] In this embodiment, the buzzer control module receives the trigger signal sent by the data processing module, converts the digital signal into a corresponding audio signal through the built-in drive circuit, and controls the buzzer to emit a prompt tone. The module supports multiple audio mode outputs, generates intermittent ringing when the alarm is triggered, and immediately stops ringing when any button operation is detected by the input signal of the button response module in real time, realizing the manual alarm shutdown function. It also has an automatic delay shutdown mechanism to ensure that the alarm will automatically stop when no one is operating it, thereby realizing precise control and energy-saving management of the buzzer.

[0048] The display driver module receives time data and display mode instructions transmitted from the data processing module, and drives four electronic display tubes 6 to display time information; it has built-in multi-mode display logic, which displays normal hours and minutes, seconds and years.

[0049] In this embodiment, the display driver module receives time data and display mode instructions transmitted by the data processing module, and drives the four electronic display tubes 6 to display time information such as hours, minutes, seconds, and years respectively through the dynamic scanning circuit. The module has built-in multi-mode display logic, which supports the cyclic switching of normal hour and minute display, second display and year display modes triggered by the input button 4, as well as the display of set time parameters in the alarm clock setting state.

[0050] The power management module integrates a charge and discharge control circuit to monitor battery voltage and charging status in real time; it also features multiple voltage outputs to provide stable operating voltage for each functional unit.

[0051] In this embodiment, the power management module integrates a charging and discharging control circuit. It connects to an external power source through the charging port 8 of the rear cover 3 to intelligently charge the rechargeable battery on the control board 7 and monitors the battery voltage and charging status in real time. The module has a multi-channel voltage output function to provide stable operating voltage for various functional units such as the wireless communication module, display driver module, and data processing module.

[0052] The data storage module uses a non-volatile memory chip and connects to the data processing module through a serial communication interface to stably store user-set alarm time parameters and system configuration data; it has a power failure protection function to ensure that the stored data is not lost in the event of power failure, and supports fast read and write access to the data.

[0053] In this embodiment, the data storage module uses a non-volatile memory chip and is connected to the data processing module through a serial communication interface. It stably stores multiple alarm time parameters set by the user through input button 4, as well as other system function logic configuration data. The module has a power failure protection function to ensure that the stored data is not lost when the power supply is abnormal, and supports fast read and write access to the data. It provides reliable data support for the real-time time comparison, alarm trigger judgment and system parameter recovery of the data processing module, and at the same time, the integrity and accuracy of the stored information are ensured through a data verification mechanism.

[0054] The working principle of this utility model is as follows: The rotating counterweight 1 enables the electronic clock 2 to rotate stably and maintain any position through its U-shaped structure and damping shaft; the rear side of the electronic clock 2 is provided with a mounting groove and an extension opening 11 extending to the front side of the interior; the control board 7 is set in the mounting groove, and four electronic display tubes 6 are embedded in the extension opening 11 to display time information facing forward; the rear cover 3 is screwed into the mounting groove through the front tightening ring 9, and its outer side is provided with circumferentially distributed anti-slip teeth 10 to provide a reliable grip surface; a charging port 8 is opened on the rear side for intelligent charging of the rechargeable battery on the control board 7 through the power management module; the wireless communication module on the control board 7 uses an ESP8266 chip to automatically connect to WiFi and obtain standard time data from a preset NTP time server, and automatically calibrates the local time through the clock calibration module; the button response module monitors the alarm button 5, ten numeric buttons and three function buttons in real time. The button input signal is processed through signal filtering and debouncing to identify short-press and long-press operations, and the instruction data is transmitted to the data processing module. The data processing module parses the time data and manages the alarm clock settings, coordinates the display driver module to update the display content of the electronic display tube 6 (supporting multiple display modes such as normal hours, minutes, seconds, and year), and sends a trigger signal to the buzzer control module when the time matches by comparing the current time with the alarm clock parameters stored in the data storage module. The buzzer control module drives the buzzer to emit intermittent sounds and supports manual alarm shutdown and automatic shutdown mechanisms. The power management module integrates a charging and discharging control circuit, provides multiple stable voltages and optimizes power consumption. The data storage module uses a non-volatile memory chip to save alarm clock parameters and system configuration, and has power failure protection and data verification functions to ensure that all modules work together to achieve complete operation of automatic time calibration, intelligent alarm reminders and human-computer interaction.

[0055] In summary, by rotating the U-shaped structure of the counterweight 1 in conjunction with the damping shaft, the electronic clock 2 is equipped with a multi-angle hovering function. Combined with the anti-slip teeth 10 of the rear cover 3 and the built-in charging port 8, the device achieves stability, ease of operation, and convenient charging. The wireless communication module automatically connects to the NTP time server to achieve accurate automatic time synchronization. Combined with the multiple display modes supported by the display driver module and the intelligent button recognition of the button response module, it provides rich time information and flexible human-computer interaction methods. The data processing module coordinates the collaborative work of various functional modules, the power management module realizes intelligent charging and discharging and multi-channel voltage distribution, the data storage module ensures the safe storage of parameters, and the buzzer control module provides intelligent reminder functions, forming a highly integrated and low-power complete system solution.

[0056] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A smart calibration digital clock, comprising a rotating counterweight (1), characterized in that, The rotating counterweight (1) has a U-shaped structure. An electronic clock (2) is mounted between the two arms of the rotating counterweight (1) via a damping shaft. The electronic clock (2) has a buzzer inside. The electronic clock (2) has an alarm button (5) and thirteen input buttons (4). The alarm button (5) is located on the top of the outer side of the electronic clock (2). The thirteen input buttons (4) are located on the left and right sides of the alarm button (5). A rear end cover (3) is screwed to the rear side of the electronic clock (2). A control board (7) is provided between the electronic clock (2) and the rear end cover (3). The control board (7) has four electronic display tubes (6). The four electronic display tubes (6) are embedded in the electronic clock (2) and extend to the front display area of ​​the electronic clock (2). A rechargeable battery is integrated on the control board (7). The control board (7) is equipped with a wireless communication module, a button response module, a data processing module, a buzzer control module, a display driver module, a power management module, a data storage module and a clock calibration module.

2. The intelligent calibration digital clock according to claim 1, characterized in that, The electronic clock (2) has a mounting slot on the rear side and a clearance opening (11) extending to the front of the electronic clock. The control board (7) is set in the mounting slot and four electronic display tubes (6) are embedded in the clearance opening (11). The input button (4) includes ten number buttons and three function buttons.

3. The intelligent calibration digital clock according to claim 2, characterized in that, The outer side of the rear end cover (3) is provided with several anti-slip teeth (10) evenly distributed in a circle. The front side of the rear end cover (3) has a tightening ring (9), which is screwed into the mounting groove. The rear side of the rear end cover (3) has a charging port (8).

4. The intelligent calibration digital clock according to claim 3, characterized in that, The wireless communication module uses an ESP8266 chip, which automatically connects to the Internet through its built-in WiFi connection function and connects to a preset NTP time server to periodically obtain standard time data. It interacts with the data processing module through a serial communication interface, periodically synchronizes the time and receives the returned time parameters, and has a built-in network reconnection mechanism to automatically reconnect when the network is abnormal.

5. The intelligent calibration digital clock according to claim 4, characterized in that, The button response module monitors and collects the input signals of the alarm button (5), ten numeric buttons and three function buttons in real time. It accurately identifies the user's short press and long press operation types through signal filtering and debouncing processing, and transmits the processed instruction data to the data processing module to coordinate the function response of each system. It also calls the corresponding processing logic according to the button operation mode: the numeric buttons are used for time parameter input, and the three function buttons correspond to alarm clock display switching, time setting confirmation / cancellation and display mode cycle switching functions, respectively.

6. The intelligent calibration digital clock according to claim 5, characterized in that, The data processing module is responsible for coordinating the data interaction and logic control of each functional module: parsing the NTP time data transmitted by the wireless communication module, comparing the generated standard time parameters with the current local time maintained inside the electronic clock (2), and outputting corresponding calibration instructions to the electronic clock (2) and the four electronic display tubes (6) respectively according to the comparison results; receiving the instruction data transmitted by the button response module, calling the alarm clock setting, time adjustment and display mode switching logic, and sending a trigger signal to the buzzer control module when the time matches by comparing the current time with the alarm clock setting parameters in the data storage module in real time.

7. The intelligent calibration digital clock according to claim 6, characterized in that, The buzzer control module receives the trigger signal sent by the data processing module, controls the buzzer to emit a prompt tone through the built-in drive circuit, supports multiple audio mode outputs, produces intermittent ringing when the alarm is triggered, and realizes the manual alarm-stopping function by monitoring the input signal of the button response module. The display driver module receives time data and display mode instructions transmitted by the data processing module, and drives four electronic display tubes (6) to display time information; it has built-in multi-mode display logic, which is normal hour and minute display, second display and year display.

8. The intelligent calibration digital clock according to claim 7, characterized in that, The power management module integrates a charge and discharge control circuit, monitors battery voltage and charging status in real time, and has a multi-channel voltage output function to provide stable operating voltage for each functional unit. The data storage module uses a non-volatile memory chip and is connected to the data processing module through a serial communication interface to stably store the alarm clock time parameters and system configuration data set by the user. It has a power failure protection function to ensure that the stored data is not lost when the power supply is abnormal, and supports fast read and write access to the data.

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