Photovoltaic intelligent control early warning system

Abstract

The utility model discloses a photovoltaic intelligent control early warning system comprising a control module, and a power supply module, an environment detection module, a data transmission module, a video monitoring module, a voice module and an infrared detection module which are connected with the control module. The power supply module comprises a lithium battery, and a power supply control unit, a current and voltage monitoring unit, a solar charging unit and a power supply conversion unit which are connected with the lithium battery, and the current and voltage monitoring unit is used for collecting the charging state and power consumption data of the lithium battery and sending the data to the power supply control unit; the power supply control unit performs power distribution and charging adjustment according to the state of the lithium battery, the power supply conversion unit is used for converting 12.6 V voltage output by the lithium battery into 5V voltage and 3.3 V voltage to be supplied to the outside and other modules for use, and the solar charging unit adopts a solar cell panel to charge the lithium battery; a safe and continuous power supply can be provided to ensure stable operation of the system; the comprehensive monitoring of the photovoltaic panel is realized, and the photovoltaic panel is effectively managed.

Description

Technical Field

[0001] This utility model relates to the field of monitoring circuit technology, specifically to a photovoltaic intelligent control and early warning system. Background Technology

[0002] With the continuous development of renewable energy, solar photovoltaic power generation has become one of the important directions for global energy structure adjustment. As an important energy facility, improving the operational efficiency and ensuring the stability and safety of photovoltaic power plants has become a widely concerned issue in the industry. Currently, the monitoring systems of photovoltaic power plants mainly rely on traditional hardware equipment and data acquisition systems, evaluating power generation by measuring parameters such as voltage, current, illuminance, temperature, and humidity. However, existing monitoring systems have the following shortcomings: Limited monitoring methods: Most photovoltaic panel monitoring systems rely only on voltage and current monitoring, lacking timely identification and feedback of changes in the external environment (such as temperature, humidity, and illuminance) and panel damage, and are prone to monitoring interruptions due to insufficient power supply. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a photovoltaic intelligent control and early warning system.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A photovoltaic intelligent control and early warning system includes a control module and a power supply module, an environmental detection module, a data transmission module, a video monitoring module, a voice module, and an infrared detection module, all connected to the control module.

[0006] The power module includes a lithium battery and a power control unit, a current and voltage monitoring unit, a solar charging unit, and a power conversion unit connected to the lithium battery. The current and voltage monitoring unit is used to collect the charging status and power consumption data of the lithium battery and send them to the power control unit. The power control unit performs power distribution and charging adjustment according to the status of the lithium battery. The power conversion unit is used to convert the 12.6V voltage output by the lithium battery into 5V and 3.3V voltages to supply external and other modules. The solar charging unit uses a solar panel to charge the lithium battery.

[0007] The environmental monitoring module includes a temperature and humidity sensor and a light sensor; the video monitoring module is used to acquire real-time image data; and the infrared detection module is used to detect whether the photovoltaic panel has any defects.

[0008] The environmental detection module, video monitoring module, and detection module send the collected data to the control module, and the control module communicates with external devices through the data transmission module.

[0009] In this utility model, preferably, the control module includes a main control chip U11 and peripheral circuits connected to the main control chip U11. The peripheral circuits include a crystal oscillator circuit, an indicator light circuit, a reset circuit, and a serial port connection circuit. Pins 12, 13, and 94 of the main control chip U11 are connected to the crystal oscillator circuit, pins 12 and 14 of the main control chip U11 are connected to the reset circuit, and pins 68 and 69 of the main control chip U11 are connected to the serial port connection circuit.

[0010] In this invention, preferably, the temperature and humidity sensor includes a sensor controller U2, which is an SHT30-DIS-B10KS series sensor. The sensor controller U2 is connected to pins 92 and 93 of the main control chip U11. The light sensor includes a sensor controller U3, which is an BH1750FVI-TR series sensor. The sensor controller U3 is connected to pins 38 and 39 of the main control chip U11.

[0011] In this utility model, preferably, the video monitoring module includes an ESP32CAM camera unit, which includes a debugger U4, a converter U5, a signal processor U7, a slide switch SW2, and connectors H5 and H6. The converter U5 is connected to the main control chip U11 through the serial port connection circuit.

[0012] In this utility model, preferably, pins 30-34 of the main control chip U11 are connected to the infrared detection module via connector H2, and the infrared detection module includes an RC522 card reader.

[0013] In this utility model, preferably, the voice module adopts an ASRPro voice unit, which includes an interface U73 and a slide switch SW3. Pins 3 and 4 of the interface U73 are connected to pins 83 and 80 of the main control chip U11, and pins 1 and 2 of the interface U73 are connected to pins 2 and 5 of the slide switch SW3.

[0014] In this utility model, preferably, the solar charging unit includes a charging manager U4 and a connector U1. The connector U1 is connected to the solar panel. Pin 2 of the connector U1 is connected in series with a diode D1 to ground, and the diode D1 prevents reverse current flow. Pin 15 of the charging manager U4 is connected to pins 1-3 of a field-effect transistor Q1. Pins 5-9 of the field-effect transistor Q1 are connected to pin 2 of the connector U1. The charging manager U4 controls the charging current flow by controlling the field-effect transistor Q1. Pin 14 of the charging manager U4 is connected to the lithium battery. Pin 14 is also connected to resistors R14 and R15, which are then connected to inductor L1 and diode D3, and finally to pins 5-9 of field-effect transistor Q2. Pins 1-3 of field-effect transistor Q2 are connected to pins 1 and 15 of charging manager U4. Meanwhile, pin 14 of charging manager U4 is connected in series with resistors R16 and R17 and then grounded. A capacitor C11 is also connected in parallel across resistor R16. Pin 14 of charging manager U4 is also connected in series with capacitors C12, C13, C14, C15, and C16 and then grounded. Capacitors C11-C16 form an output filter circuit, which is used to filter and regulate the current of the input lithium battery.

[0015] In this utility model, preferably, the power control unit includes a power controller OSC1, which uses an STM32F103C8 T6TR series chip. The power controller OSC1 is connected to a download circuit, a reset button circuit, and a power crystal oscillator circuit. Pins 5 and 6 of the power controller OSC1 are connected to the power crystal oscillator circuit, pin 7 is connected to the reset button circuit, and pins 34 and 37 are connected to the download circuit.

[0016] In this utility model, preferably, the current and voltage monitoring unit includes a monitor U71. Pins 8-10 of the monitor U71 are connected to the circuit between the charging manager U4 and the connector U1. A capacitor C64 is connected between pin 10 and pin 8 of the monitor U71. Resistors R54 and R55 are connected in series across the two ends of the capacitor C64 for filtering. A sampling resistor R53 is also connected in series in the connection circuit between the charging manager U4 and the connector U1. Pins 4 and 5 of the monitor U71 are connected to pins 29 and 30 of the power controller OSC1. Capacitors C179-C182, C165-C167, and C58 are connected in series in the circuit connecting the monitor U71 to the output terminal of the connector U1 and the input terminal of the charging manager U4, and then grounded. The connected capacitors are used for filtering.

[0017] In this invention, preferably, the power module further includes a Type-C interface charging circuit. The Type-C interface charging circuit includes a charging interface USB4. Outputs A9 and B9 of the charging interface USB4 are connected to pins 1, 3, 8, and 4 of the Type-C charging controller U10. Pin 5 of the Type-C charging controller U10 is connected to the lithium battery. A resistor R22 and a diode LED3 are connected in series between pin 8 and the charging interface USB4. A diode D5 is also connected in series between pin 4 and the charging interface USB4. Pin 6 of the Type-C charging controller U10 is connected to ground after a resistor R23 is connected in series. The charging current can be set through the resistor R23. The connection circuit between the Type-C charging controller U10 and the lithium battery also filters the current input to the lithium battery by connecting capacitors C27-C30 in series and then grounding.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] The system of this utility model has a complete power supply module, which can provide a safe and continuous power supply to ensure stable system operation. At the same time, the system collects external environmental data of the photovoltaic panel by integrating multiple sensors, captures real-time images of the external environment of the photovoltaic panel through a video monitoring module, collects and detects the presence of defects on the photovoltaic panel through an infrared detection module, and provides timely feedback on the status of the photovoltaic panel through a data transmission module. This enables comprehensive monitoring of the photovoltaic panel. The system has a simple structure and is easy to implement, and can monitor the status of the photovoltaic panel at any time for effective management. Attached Figure Description

[0020] Figure 1 This is a circuit diagram of the control module described in this utility model.

[0021] Figure 2 This is a circuit diagram of the environmental detection module described in this utility model.

[0022] Figure 3 This is a circuit diagram of the video surveillance module described in this utility model.

[0023] Figure 4 This is a circuit diagram of the voice module described in this utility model.

[0024] Figure 5 This is a circuit diagram of the data transmission module described in this utility model.

[0025] Figure 6 This is a circuit diagram of the current and voltage monitoring unit, solar charging unit, and power conversion unit described in this utility model.

[0026] Figure 7This is a circuit diagram of the power control unit described in this utility model. Detailed Implementation

[0027] 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.

[0028] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is described as "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is described as "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] Please see Figure 1-7This utility model provides a photovoltaic intelligent control and early warning system in a preferred embodiment. By collecting and monitoring multiple data on the external environment of the photovoltaic panel, users can easily understand the real-time environmental conditions. The system uses a video monitoring module, a voice module, and an infrared detection module to capture image data in real time. The infrared detection module also collects and detects whether there are any defects on the photovoltaic panel. The data transmission module provides timely feedback on the condition of the photovoltaic panel. At the same time, a complete power supply system is set up to ensure that the monitoring and early warning system can operate stably for a long time and avoid monitoring interruption due to power failure. The early warning system specifically includes a control module and, connected to the control module, a power module, an environmental detection module, a data transmission module, a video monitoring module, a voice module, and an infrared detection module. The power module includes a lithium battery and, connected to the lithium battery, a power control unit, a current and voltage monitoring unit, a solar charging unit, and a power conversion unit. The current and voltage monitoring unit collects the charging status and power consumption data of the lithium battery and sends it to the power control unit. The power control unit distributes power and adjusts charging according to the lithium battery's status. The power conversion unit converts the 12.6V output voltage of the lithium battery into 5V and 3.3V voltages for external use and other modules. The solar charging unit uses a solar panel to charge the lithium battery. The environmental detection module includes a temperature and humidity sensor and a light sensor. The video monitoring module collects real-time image data. The infrared detection module detects defects in the photovoltaic panel. The environmental detection module, video monitoring module, and detection module send the collected data to the control module. The control module communicates with external devices through the data transmission module.

[0031] Please see Figure 1 In this embodiment, the control module includes a main control chip U11 and peripheral circuits connected to the main control chip U11. The main control chip U11 uses an STM32F407VET6 microcontroller unit, which can integrate multiple sensors, communication, and image recognition. The peripheral circuits include a crystal oscillator circuit, an indicator light circuit, a reset circuit, and a serial port connection circuit. Pins 12, 13, and 94 of the main control chip U11 are connected to the crystal oscillator circuit. Pins 12 and 14 of the main control chip U11 are connected to the reset circuit. Pins 68 and 69 of the main control chip U11 are connected to the serial port connection circuit.

[0032] Please see Figure 2In this embodiment, multiple sensor modules are integrated on the main control board. The temperature and humidity sensor includes a sensor controller U2, which uses an SHT30-DIS-B10KS series sensor to collect ambient temperature and humidity data. The sensor controller U2 is connected to pins 92 and 93 of the main control chip U11, and the collected temperature and humidity data are sent to the sensor controller U2. The light sensor includes a sensor controller U3, which uses a BH1750FVI-TR series sensor to collect ambient light intensity data. The sensor controller U3 is connected to pins 38 and 39 of the main control chip U11, and the light intensity data is sent to the main control chip U11 for processing.

[0033] Please see Figure 3 In this embodiment, the video monitoring module includes an ESP32CAM camera unit. The ESP32CAM camera unit includes a debugger U4, a converter U5, a signal processor U7, a slide switch SW2, and connectors H5 and H6. The converter U5 is connected to the main control chip U11 via the serial port connection circuit. The ESP32CAM camera unit can capture real-time image data around the photovoltaic panel and transmit the image data to the main control chip U11.

[0034] Please see Figure 2 In this embodiment, pins 30-34 of the main control chip U11 are connected to the infrared detection module via connector H2. The infrared detection module includes an RC522 card reader. It monitors specific states in the system via infrared signals and sends relevant feedback to the main control chip U11. Through this type of module, the system can not only perform environmental monitoring but also provide functions such as user authentication.

[0035] Please see Figure 4 In this embodiment, the voice module uses an ASRPro voice unit, which includes an interface U73 and a slide switch SW3. Pins 3 and 4 of the interface U73 are connected to pins 83 and 80 of the main control chip U11, and pins 1 and 2 of the interface U73 are connected to pins 2 and 5 of the slide switch SW3. The ASRPro voice unit provides voice recognition functionality, allowing users to control the system via voice commands, thus enhancing the interactivity of the overall early warning system.

[0036] Please see Figure 5In this embodiment, the data transmission module includes a communicator U71, which uses an ESP8266 Wi-Fi module. Pins 11, 12, 19, and 20 of the communicator U71 are connected to pins 60, 61, 67, and 66 of the main control chip U11. The main control chip U11 transmits real-time data (temperature, humidity, and illuminance, etc.) to a cloud server for storage and analysis through the communicator U71. Simultaneously, image data can also be transmitted to the server through the communicator U71 for remote viewing.

[0037] In this embodiment, the main control chip U11 is also connected to a touch serial port screen, providing users with an intuitive operating interface. Through the touchscreen, users can view camera images and obtain real-time data (such as temperature, humidity, voltage, current, power, etc.). The touchscreen not only displays data but also serves as the primary tool for user interaction with the system, allowing direct control and system status queries on the screen.

[0038] Please see Figure 6 In this embodiment, the solar charging unit includes a charging manager U4 and a connector U1. The connector U1 is connected to the solar panel. Pin 2 of the connector U1 is connected in series with a diode D1 to ground. The diode D1 prevents reverse current flow. Pin 15 of the charging manager U4 is connected to pins 1-3 of a field-effect transistor Q1. Pins 5-9 of the field-effect transistor Q1 are connected to pin 2 of the connector U1. The charging manager U4 controls the charging current flow by controlling the field-effect transistor Q1. Pin 14 of the charging manager U4 is connected to the lithium battery. Pin 14 is connected to resistors R14 and R15, which are then connected to inductor L1 and diode D3, and finally to pins 5-9 of field-effect transistor Q2. Pins 1-3 of the field-effect transistor Q2 are connected to pins 1 and 15 of the charging manager U4. Pin 14 of the charging manager U4 is connected in series with resistors R16 and R17 and then grounded. A capacitor C11 is connected in parallel across resistor R16. Pin 14 of the charging manager U4 is also connected in series with capacitors C12, C13, C14, C15, and C16 and then grounded. Capacitors C11-C16 form an output filter circuit used to filter and regulate the input lithium battery current. The solar panel converts solar energy into electrical energy, and the solar charging circuit converts the voltage and current to make it suitable for charging the lithium battery. The function of this circuit is to ensure that the voltage generated by the solar panel is converted into a stable voltage required by the battery and can provide the current needed for charging.

[0039] Please see Figure 7In this embodiment, the power control unit includes a power controller OSC1. The power controller OSC1 uses an STM32F103C8 T6TR series chip. The power controller OSC1 is connected to a download circuit, a reset button circuit, and a power crystal oscillator circuit. Pins 5 and 6 of the power controller OSC1 are connected to the power crystal oscillator circuit, pin 7 is connected to the reset button circuit, and pins 34 and 37 are connected to the download circuit.

[0040] Please see Figure 6 In this embodiment, the current and voltage monitoring unit includes a monitor U71. Pins 8-10 of the monitor U71 are connected to the circuit between the charging manager U4 and the connector U1. A capacitor C64 is connected between pin 10 and pin 8 of the monitor U71. Resistors R54 and R55 are connected in series across capacitor C64 for filtering. A sampling resistor R53 is also connected in series in the connection circuit between the charging manager U4 and the connector U1. Pins 4 and 5 of the monitor U71 are connected to pins 29 and 30 of the power controller OSC1. Capacitors C179-C182, C165-C167, and C58 are connected in series in the circuit connecting the monitor U71 to the output terminal of the connector U1 and the input terminal of the charging manager U4, and then grounded. These capacitors are used for filtering. The monitor U71 uses an INA226 series chip, which can accurately detect the current, voltage, and power values ​​in the circuit. The monitor U71 collects real-time data on battery charging status and power consumption, and transmits this information to the main control chip U11. The main control chip U11 is responsible for receiving this data, processing it, and adjusting the charging strategy and power distribution based on the real-time battery status.

[0041] Please see Figure 6In this embodiment, the power module further includes a Type-C interface charging circuit. This circuit includes a charging interface USB4. Outputs A9 and B9 of the USB4 interface are connected to pins 1, 3, 8, and 4 of the Type-C charging controller U10. Pin 5 of the Type-C charging controller U10 is connected to the lithium battery. A resistor R22 and a diode LED3 are connected in series between pin 8 and the USB4 interface. A diode D5 is also connected in series between pin 4 and the USB4 interface. Pin 6 of the Type-C charging controller U10 is connected to ground via a resistor R23. The charging current can be set using resistor R23. The connection circuit between the Type-C charging controller U10 and the lithium battery also filters the current input to the lithium battery by connecting capacitors C27-C30 in series and then grounding. The Type-C interface charging circuit provides a convenient and efficient charging method and ensures safe and fast charging of the lithium battery through the management of charging current and voltage.

[0042] Please see Figure 6 In this embodiment, the power conversion unit includes converter U69 and converter U79. Converter U69 is connected in series with switch SW2 to the lithium battery, converting the 12.6V battery voltage to a stable 5V voltage. The input of converter U79 is connected to the output of converter U69, and converter U79 converts the 5V voltage to a 3.3V output to provide a stable power supply for low-power devices. The power conversion unit makes the power module suitable for the power supply needs of various devices, ensuring stable output voltage and avoiding damage to external devices due to voltage fluctuations.

[0043] Please see Figure 6 In this embodiment, the power module further includes a charging protection circuit, which includes a protector U5 connected between the lithium batteries. The protector U5, connected to field-effect transistors Q3 and Q4, provides overcharge or over-discharge protection for the lithium batteries. Specifically, when the lithium battery is in normal charging mode, the CO pin of the protector U5 outputs a signal to turn on Q3, allowing current to flow and charge the lithium battery. When the protector U5 detects overcharging (the voltage of a certain lithium battery reaches the overcharge threshold), the CO pin output signal changes, turning off Q3 and cutting off the charging circuit to prevent damage from overcharging. Discharge control: Under normal discharge conditions, the DO pin output signal turns on Q4, allowing the lithium battery to discharge. When the chip detects over-discharge (the voltage of a certain lithium battery reaches the over-discharge threshold), the DO pin output signal changes, turning off Q4 and cutting off the discharge circuit to prevent over-discharge of the lithium battery.

[0044] The above description is a detailed description of the preferred embodiments of the present utility model. However, the embodiments are not intended to limit the scope of the patent application of the present utility model. All equivalent changes or modifications made under the technical spirit of the present utility model should fall within the patent scope covered by the present utility model.

Claims

1. A photovoltaic smart control warning system, characterized in that, It includes a control module and, connected to the control module, a power module, an environmental detection module, a data transmission module, a video monitoring module, a voice module, and an infrared detection module. The power module includes a lithium battery and a power control unit, a current and voltage monitoring unit, a solar charging unit, and a power conversion unit connected to the lithium battery. The current and voltage monitoring unit is used to collect the charging status and power consumption data of the lithium battery and send them to the power control unit. The power control unit performs power distribution and charging adjustment according to the status of the lithium battery. The power conversion unit is used to convert the 12.6V voltage output by the lithium battery into 5V and 3.3V voltages to supply external and other modules. The solar charging unit uses a solar panel to charge the lithium battery. The environmental monitoring module includes a temperature and humidity sensor and a light sensor; the video monitoring module is used to acquire real-time image data; and the infrared detection module is used to detect whether the photovoltaic panel has any defects. The environmental detection module, video monitoring module, and detection module send the collected data to the control module, and the control module communicates with external devices through the data transmission module.

2. A photovoltaic smart control warning system according to claim 1, wherein, The control module includes a main control chip U11 and peripheral circuits connected to the main control chip U11. The peripheral circuits include a crystal oscillator circuit, an indicator light circuit, a reset circuit, and a serial port connection circuit. Pins 12, 13, and 94 of the main control chip U11 are connected to the crystal oscillator circuit. Pins 12 and 14 of the main control chip U11 are connected to the reset circuit. Pins 68 and 69 of the main control chip U11 are connected to the serial port connection circuit.

3. A photovoltaic smart control warning system according to claim 2, wherein, The temperature and humidity sensor includes a sensor controller U2, which uses an SHT30-DIS-B10KS series sensor. The sensor controller U2 is connected to pins 92 and 93 of the main control chip U11. The light sensor includes a sensor controller U3, which uses a BH1750FVI-TR series sensor. The sensor controller U3 is connected to pins 38 and 39 of the main control chip U11.

4. The photovoltaic intelligent control warning system according to claim 2, characterized in that, The video monitoring module includes an ESP32CAM camera unit, which includes a debugger U4, a converter U5, a signal processor U7, a slide switch SW2, and connectors H5 and H6. The converter U5 is connected to the main control chip U11 through the serial port connection circuit.

5. A photovoltaic smart control warning system according to claim 4, wherein, Pins 30-34 of the main control chip U11 are connected to the infrared detection module via connector H2. The infrared detection module includes an RC522 card reader.

6. The photovoltaic smart control warning system of claim 2, wherein, The voice module uses an ASRPro voice unit, which includes an interface U73 and a slide switch SW3. Pins 3 and 4 of the interface U73 are connected to pins 83 and 80 of the main control chip U11, and pins 1 and 2 of the interface U73 are connected to pins 2 and 5 of the slide switch SW3.

7. The photovoltaic smart control warning system of claim 1, wherein, The solar charging unit includes a charging manager U4 and a connector U1. The connector U1 is connected to the solar panel. Pin 2 of the connector U1 is connected in series with a diode D1 to ground. Pin 15 of the charging manager U4 is connected to pins 1-3 of a field-effect transistor Q1. Pins 5-9 of the field-effect transistor Q1 are connected to pin 2 of the connector U1. Pin 14 of the charging manager U4 is connected to the lithium battery. Pin 14 of the charging manager U4 is also connected to resistors R14 and R15, which are then connected to inductor L1 and diode D3, which are then connected to pins 5-9 of the field-effect transistor Q2. Pins 1-3 of the field-effect transistor Q2 are connected to pins 1 and 15 of the charging manager U4. Pin 14 of the charging manager U4 is connected in series with resistors R16 and R17 and then grounded. A capacitor C11 is also connected in parallel across resistor R16.

8. A photovoltaic smart control warning system according to claim 7, wherein, The power control unit includes a power controller OSC1, which uses an STM32F103C8 T6TR series chip. The power controller OSC1 is connected to a download circuit, a reset button circuit, and a power crystal oscillator circuit. Pins 5 and 6 of the power controller OSC1 are connected to the power crystal oscillator circuit, pin 7 is connected to the reset button circuit, and pins 34 and 37 are connected to the download circuit.

9. A photovoltaic smart control warning system according to claim 8, wherein, The current and voltage monitoring unit includes a monitor U71. Pins 8-10 of the monitor U71 are connected to the circuit between the charging manager U4 and the connector U1. A capacitor C64 is connected between pin 10 and pin 8 of the monitor U71. Resistors R54 and R55 are connected in series across the two ends of the capacitor C64 for filtering. A sampling resistor R53 is also connected in series in the connection circuit between the charging manager U4 and the connector U1. Pins 4 and 5 of the monitor U71 are connected to pins 29 and 30 of the power controller OSC1. Capacitors C179-C182, C165-C167, and C58 are connected in series in the circuit connecting the monitor U71 to the output terminal of the connector U1 and the input terminal of the charging manager U4, and then grounded. The connected capacitors are used for filtering.

10. The photovoltaic smart control warning system of claim 1, wherein, The power module also includes a Type-C interface charging circuit, which includes a charging interface USB4. Outputs A9 and B9 of the charging interface USB4 are connected to pins 1, 3, 8, and 4 of the Type-C charging controller U10. Pin 5 of the Type-C charging controller U10 is connected to the lithium battery. A resistor R22 and a diode LED3 are connected in series between pin 8 and the charging interface USB4. A diode D5 is also connected in series between pin 4 and the charging interface USB4. Pin 6 of the Type-C charging controller U10 is connected in series with a resistor R23 and then grounded. The charging current can be set through the resistor R23.

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