Four-in-one environment monitoring sensor

Abstract

The invention relates to a four-in-one environment monitoring sensor. A master control module is electrically connected with a temperature module, a smoke detection module, a double-flash detection module and a whistling detection module; the power supply module is electrically connected with the main control module, the temperature module, the smoke detection module, the double-flash detection module and the whistling detection module through universal cables; the main control module controls the temperature modules to collect temperature. Controlling the smoke detection module to perform smoke detection; controlling a double-flashing detection module to monitor the state of a double-flashing lamp of the vehicle in real time; the whistling detection module is controlled to capture and recognize whistling sound; the method is realized on the same four-in-one environment monitoring sensor. The technical problems that an existing sensor environment monitoring device for the roll-on-roll-off ship is single in function, needs to be provided with a plurality of independent sensors, is high in cost, complex in maintenance, poor in expandability, large in transformation difficulty for in-use ships, high in cost and the like are solved.

Description

Technical Field

[0001] Embodiments of this invention relate to a multi-parameter integrated sensor suitable for complex and harsh environments. This sensor employs integrated power supply and communication technology, enabling simultaneous power supply and data communication via a single cable. It is used to monitor multiple key signals in real time, and when an anomaly is detected, it can trigger an emergency response mechanism through a connected server. Specifically, it relates to a four-in-one environmental monitoring sensor. Background Technology

[0002] Existing marine environmental monitoring equipment for roll-on / roll-off vessels has limited functionality. For example, it can monitor equipment anomalies in specific scenarios. However, for indicators related to thermal runaway of new energy vehicle batteries (temperature, smoke concentration, specific flashing frequencies, horn blasts, etc.), multiple independent sensors need to be deployed, which is costly, complex to maintain, and has poor scalability. For ships already in use, retrofitting is difficult and costly. Furthermore, under long-distance voyage conditions, the equipment is greatly affected by large fluctuations in external temperature and humidity, making ordinary sensors prone to failure. Finally, there is a lack of unified monitoring methods for early warning signals of thermal runaway of new energy vehicle batteries (such as double flashing frequencies and horn blasts), making it difficult to achieve multi-signal fusion analysis. Summary of the Invention

[0003] The purpose of this invention is to provide a four-in-one environmental monitoring sensor that integrates temperature, smoke, double flash, and horn detection functions, thereby reducing the number of devices required.

[0004] To achieve the above objectives, embodiments of the present invention provide a four-in-one environmental monitoring sensor, comprising:

[0005] Main control module;

[0006] A temperature module, wherein the main control module is electrically connected to the temperature module;

[0007] A smoke detection module, wherein the main control module is electrically connected to the smoke detection module;

[0008] A dual-flash detection module, which is also electrically connected to the main control module;

[0009] The horn detection module is electrically connected to the main control module.

[0010] Power supply module; the power supply module is electrically connected to the main control module, the temperature module, the smoke detection module, the double flash detection module and the horn detection module via a general-purpose cable;

[0011] The main control module controls the temperature module to collect temperature; controls the smoke detection module to perform smoke detection; controls the hazard light detection module to monitor the status of the vehicle's hazard lights in real time; and controls the horn detection module to capture and identify horn sounds; and all of these are implemented on the same four-in-one environmental monitoring sensor.

[0012] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the main control module is simultaneously connected to a wireless communication module, and the wireless communication module communicates wirelessly with the outside world.

[0013] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the main control module further includes:

[0014] A microcontroller is configured in the main control module; the microcontroller executes control algorithms, data processing, and system scheduling on the data input from the temperature module, the smoke detection module, the double flash detection module, and the horn detection module;

[0015] The storage module is connected to the microcontroller via a data channel;

[0016] The power management module electrically connects the microcontroller and the storage module; the power management module is electrically connected to the power supply module; the power management module monitors overvoltage, undervoltage, and overtemperature conditions.

[0017] An input / output interface module is provided in the main control module; the input / output interface module is connected to the temperature module, the smoke detection module, the double flash detection module and the horn detection module for input / output connection and data transmission.

[0018] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the temperature module further includes:

[0019] A thermistor is installed in the temperature module; the thermistor is used to acquire external ambient temperature signals.

[0020] A signal amplification circuit is provided, wherein the thermistor is connected to the input terminal of the signal amplification circuit; the signal amplification circuit amplifies the temperature signal acquired by the thermistor.

[0021] An analog-to-digital converter (ADC) is connected to the input terminal of the signal amplification circuit; the ADC performs analog-to-digital conversion; the output terminal of the ADC is connected to the microcontroller of the main control module for data processing; the main control module controls the input / output interface module to output the temperature signal.

[0022] Both the signal amplification circuit and the analog-to-digital conversion module are electrically connected to the power supply module, which provides power to them.

[0023] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the smoke detection module further includes:

[0024] A smoke sensing unit is provided in the smoke detection module; it is used to collect smoke signals.

[0025] A signal processing circuit is provided, wherein the smoke sensing unit is connected to the input terminal of the signal processing circuit; the signal processing circuit amplifies and performs analog-to-digital conversion on the smoke sensing signal collected by the smoke sensing unit.

[0026] The output of the signal processing circuit is connected to the microcontroller of the main control module for data processing; the display alarm output module is driven by the signal processing circuit; the main control module controls the input / output interface module to output the display alarm output module, outputting display signals and alarm signals.

[0027] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the dual-flash detection module further includes:

[0028] A dual-flash detection sensing unit is provided in the dual-flash detection module. The dual-flash detection sensing unit receives a dual-flash signal at its input terminal and its output terminal is connected to the microcontroller of the main control module for data processing.

[0029] An execution unit is electrically connected to the microcontroller, and the microcontroller controls the execution unit to output a double-flash detection signal;

[0030] The main control module controls the input / output interface module to output the induction double flash signal.

[0031] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the horn detection module further includes:

[0032] A sound acquisition unit is provided in the horn detection module, and a sound signal is input to the input terminal of the sound acquisition unit;

[0033] The signal processing unit is electrically connected to the output of the sound acquisition unit; it amplifies and shapes the sound signal.

[0034] The output of the signal processing unit is connected to the microcontroller of the main control module to perform data processing on the amplified and sound wave shaped sound signal;

[0035] The main control module controls the input / output interface module to simultaneously output the detected sound signal.

[0036] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the power supply module further includes:

[0037] An input interface is provided in the power supply module; the input interface is connected to an AC power source.

[0038] A rectifier circuit is connected to the input terminal of the rectifier circuit at the output terminal of the input interface; converting the AC power supply to DC power supply.

[0039] A filter capacitor is connected in parallel with the rectifier circuit to smooth the DC power supply output by the rectifier circuit.

[0040] The DC-DC conversion module is connected to the input terminal of the rectifier circuit at the output terminal; the output terminal of the DC-DC conversion module outputs DC power supplies of different voltages; the DC-DC conversion module is electrically connected to the main control module, the temperature module, the smoke detection module, the double flash detection module, and the horn detection module via a POE cable.

[0041] An output protection module is connected in parallel to the output terminal of the DC-DC conversion module.

[0042] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the sound acquisition unit uses a microphone array combined with a deep learning algorithm, achieving a recognition accuracy of >90%.

[0043] Furthermore, in the four-in-one environmental monitoring sensor described in the invention, the wireless communication module is WiFi, GPGS, or 5G.

[0044] Compared with the prior art, the embodiments of the present invention employ a main control module electrically connected to the temperature module; the main control module electrically connected to the smoke detection module; the hazard light detection module also electrically connected to the main control module; the horn detection module electrically connected to the main control module; and the power supply module electrically connected to the main control module, temperature module, smoke detection module, hazard light detection module, and horn detection module via a universal cable. The main control module controls the temperature module to collect temperature; controls the smoke detection module to perform smoke detection; controls the hazard light detection module to monitor the status of the vehicle's hazard lights in real time; and controls the horn detection module to capture and identify the horn sound. All of these are implemented on a single four-in-one environmental monitoring sensor. This solves the technical problems of existing roll-on / roll-off marine sensor environmental monitoring equipment having limited functionality. For example, it can monitor equipment anomalies in specific scenarios, but for indicators related to thermal runaway of new energy vehicle batteries (temperature, smoke concentration, specific flashing frequency, horn, etc.), multiple independent sensors need to be deployed, resulting in high cost, complex maintenance, poor scalability, and high cost for retrofitting in-use ships. Furthermore, under long-distance navigation conditions, the large fluctuations in external temperature and humidity significantly impact the performance of ordinary sensors, making them prone to failure. Finally, there is a lack of unified monitoring methods for thermal runaway warning signals of new energy vehicle batteries (such as flashing lights and horn blasts), hindering the fusion and analysis of multiple signals. Therefore, a four-in-one environmental monitoring sensor integrating temperature, smoke, flashing lights, and horn detection functions has been developed, reducing the number of devices required. Attached Figure Description

[0045] Figure 1 This is a schematic diagram of the internal structure of the present invention;

[0046] Figure 2 This is a schematic diagram of the power supply module of the present invention;

[0047] Figure 3 This is a schematic diagram of the main control module structure of the present invention;

[0048] Figure 4 This is a schematic diagram of the temperature module structure of the present invention;

[0049] Figure 5 This is a schematic diagram of the smoke detection module structure of the present invention;

[0050] Figure 6 This is a schematic diagram of the dual-flash detection module structure of the present invention;

[0051] Figure 7 This is a schematic diagram of the horn detection module of the present invention. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of this invention clearer, the various embodiments of this invention will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this invention to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.

[0053] Embodiments of the present invention relate to a four-in-one environmental monitoring sensor, such as... Figures 1-7 As shown, it includes:

[0054] In this embodiment, a main control module 10 is provided in the four-in-one environmental monitoring sensor;

[0055] The main control module 10 is electrically connected to the temperature module 20; the main control module 10 controls the temperature module 20 to control the temperature.

[0056] The main control module 10 is electrically connected to the smoke detection module 30; the main control module 10 controls the smoke detection module 30 to detect smoke.

[0057] The dual-flash detection module 40 is also electrically connected to the main control module 10; the main control module 10 controls the dual-flash detection module 40 to detect the dual-flash signal.

[0058] The horn detection module 50 is electrically connected to the main control module 10.

[0059] Power supply module 60; Power supply module 60 is electrically connected to main control module 10, temperature module 20, smoke detection module 30, double flash detection module 40 and horn detection module 50 via a general cable;

[0060] The main control module 10 controls the temperature module 20 to collect temperature; controls the smoke detection module 30 to perform smoke detection; controls the hazard light detection module 40 to monitor the status of the vehicle's hazard lights in real time; and controls the horn detection module 50 to capture and identify horn sounds; all of which are implemented on the same four-in-one environmental monitoring sensor.

[0061] In this embodiment, the temperature detection module 20 adopts a high-performance temperature sensing element and combines intelligent signal processing technology to achieve wide-range temperature monitoring and accurate data calibration. It can stably output reliable temperature measurement values ​​in complex environments and meet the high-precision temperature measurement needs of diverse scenarios.

[0062] The smoke detection module 30 in this embodiment adopts advanced sensing technology, has a wide range of smoke concentration monitoring capabilities and fast response characteristics, can capture smoke signals in real time in various environments and output accurate detection results, effectively meeting the fire early warning and safety monitoring needs in different scenarios.

[0063] In this embodiment, the dual-flicker detection module 40 is a high-temperature resistant photoelectric sensor that calculates the flicker frequency by changing the light intensity.

[0064] The horn detection module 50 in this embodiment adopts a solution that combines microphone array and noise reduction technology. Through intelligent signal processing and pattern recognition algorithms, it can accurately capture and identify horn sounds, effectively distinguish target sound sources in complex noise environments, and meet the sound signal detection needs of scenarios such as traffic monitoring and safety warning.

[0065] The power supply module 60 in this embodiment adopts an integrated energy management solution, which realizes stable power supply for various types of loads through efficient power conversion technology, supports the power consumption requirements of the entire system and adapts to different power levels of input. The built-in intelligent power management unit ensures stable and reliable output voltage, and provides continuous and efficient power support for the detection module and control unit.

[0066] This embodiment addresses the limitations of existing marine environmental monitoring devices for roll-on / roll-off vessels. These devices often lack functionality, requiring multiple independent sensors for monitoring specific anomalies, such as those related to thermal runaway in new energy vehicle batteries (temperature, smoke concentration, specific flashing frequencies, horn blasts, etc.). This results in high costs, complex maintenance, poor scalability, and significant modification difficulties and costs for existing vessels. Furthermore, under long-distance voyages, the devices are highly susceptible to temperature and humidity fluctuations, making ordinary sensors prone to failure. Finally, there is a lack of unified monitoring methods for thermal runaway warning signals in new energy vehicle batteries (such as double flashing frequencies and horn blasts), hindering multi-signal fusion analysis. This embodiment proposes a four-in-one environmental monitoring sensor that integrates temperature, smoke, double flashing, and horn detection functions, reducing the number of devices required.

[0067] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the main control module 10 is simultaneously connected to the wireless communication module 70, which communicates wirelessly with external devices. The main control module 10 controls the wireless communication module 70 to perform wireless communication.

[0068] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the main control module 10 also includes:

[0069] A microcontroller 11 is set in the main control module 10; the microcontroller 11 executes control algorithms, data processing and system scheduling on the data input from the temperature module 20, smoke detection module 30, double flash detection module 40 and horn detection module 50; the microcontroller 11 is mainly used to control the temperature module 20, smoke detection module 30, double flash detection module 40 and horn detection module 50.

[0070] The microcontroller 11 is connected to the storage module 12 via a data channel; the storage module 12 is used to store data.

[0071] The microcontroller 11 and the storage module 12 are electrically connected to the power management module 13; the power management module 13 is electrically connected to the power supply module 60; the power management module 13 monitors overvoltage, undervoltage, and overtemperature conditions; the power management module 13 monitors the power supply.

[0072] An input / output interface module 14 is set in the main control module 10. The input / output interface module 14 is connected to the temperature module 20, smoke detection module 30, double flash detection module 40 and horn detection module 50 for input / output and data transmission. The input / output interface module 14 is mainly used for input / output control.

[0073] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the temperature module 20 includes:

[0074] A thermistor 21 is set in the temperature module 20; the thermistor 21 is used to collect the external ambient temperature signal; the thermistor 21 plays the role of collecting temperature.

[0075] Thermistor 21 is connected to the input terminal of signal amplification circuit 22; signal amplification circuit 22 amplifies the temperature signal collected by thermistor 21; signal amplification circuit 22 amplifies the temperature signal collected by thermistor 21.

[0076] The output of the signal amplification circuit 22 is connected to the input of the analog-to-digital converter module 23; the analog-to-digital converter module 23 performs analog-to-digital conversion; the analog-to-digital converter module 23 serves as the analog-to-digital converter; the output of the analog-to-digital converter module 23 is connected to the microcontroller 11 of the main control module 10 for data processing; the main control module 10 controls the input / output interface module 14 to output a temperature signal;

[0077] The signal amplification circuit 22 and the analog-to-digital conversion module 23 are both electrically connected to the power supply module 60, which provides power to them.

[0078] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7As shown, the smoke detection module 30 also includes:

[0079] A smoke sensing unit 31 is set in the smoke detection module 30 to collect smoke signals; the smoke sensing unit 31 plays the role of collecting smoke signals.

[0080] The smoke sensor unit 31 is connected to the input terminal of the signal processing circuit 32; the signal processing circuit 32 amplifies and performs analog-to-digital conversion on the smoke sensor signal collected by the smoke sensor unit 31; the signal processing circuit 32 amplifies and performs analog-to-digital conversion on the collected smoke sensor signal.

[0081] The output of the signal processing circuit 32 is connected to the microcontroller 11 of the main control module 10 for data processing; the alarm output module 33 is driven by the signal processing circuit 32; the main control module 10 controls the input / output interface module 14 to output the alarm output module 33, and outputs display signals and alarm signals.

[0082] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the dual-flash detection module 40 also includes:

[0083] A dual-flash detection sensing unit 41 is set in the dual-flash detection module 40. The input terminal of the dual-flash detection sensing unit 41 is input with a dual-flash signal. The output terminal of the dual-flash detection sensing unit 41 is connected to the microcontroller 11 of the main control module 10 for data processing. The dual-flash detection sensing unit 41 is used to sense the dual-flash signal.

[0084] The execution unit 42 is electrically connected to the microcontroller 11, and the microcontroller 11 controls the execution unit 42 to output a double flash detection signal; the execution unit 42 serves to output a double flash detection signal.

[0085] The main control module 10 controls the input / output interface module 14 to output a dual-flash signal.

[0086] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the horn detection module 50 also includes:

[0087] A sound acquisition unit 51 is set in the horn detection module 50, and a sound signal is input to the input terminal of the sound acquisition unit 51; the sound acquisition unit 51 is used to acquire the sound signal.

[0088] The output of the sound acquisition unit 51 is electrically connected to the signal processing unit 52; the sound signal is amplified and the sound wave is shaped; the signal processing unit 52 plays the role of amplifying and shaping the sound signal.

[0089] The output of the signal processing unit 52 is connected to the microcontroller 11 of the main control module 10 to perform data processing on the amplified and sound wave shaped sound signal;

[0090] The main control module 10 controls the input / output interface module 14 to simultaneously output the detected sound signal.

[0091] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the power supply module 60 also includes:

[0092] An input interface 61 is provided in the power supply module 60; the input interface 61 is connected to an AC power source; the input interface 61 is used to connect to an AC power source.

[0093] The output terminal of the input interface 61 is connected to the input terminal of the rectifier circuit 62; the AC power supply is converted to DC power supply; the rectifier circuit 62 performs rectification.

[0094] The filter capacitor 63 is connected in parallel with the rectifier circuit 62; it smooths the DC power supply output by the rectifier circuit 62; the filter capacitor 63 plays a filtering role.

[0095] The output terminal of the rectifier circuit 62 is connected to the input terminal of the DC-DC converter module 64; the output terminal of the DC-DC converter module 64 outputs DC power supplies of different voltages; the DC-DC converter module 64 is electrically connected to the main control module 10, temperature module 20, smoke detection module 30, double flash detection module 40 and horn detection module 50 through a POE cable; the DC-DC converter module 64 converts DC power into DC power supplies of different voltages.

[0096] An output protection module 65 is connected in parallel to the output of the DC-DC converter module 64. The output protection module 65 serves as power supply protection.

[0097] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the sound acquisition unit 51 uses a microphone array combined with a deep learning algorithm, achieving a recognition accuracy of >90%.

[0098] To address the aforementioned technical issues, the four-in-one environmental monitoring sensor in this embodiment, such as... Figures 1-7 As shown, the wireless communication module 70 is WiFi, GPGS, or 5G.

[0099] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes in form and detail may be made without departing from the spirit and scope of the present invention.

Claims

1. A four-in-one environmental monitoring sensor, characterized in that, include: Main control module; A temperature module, wherein the main control module is electrically connected to the temperature module; A smoke detection module, wherein the main control module is electrically connected to the smoke detection module; A dual-flash detection module, which is also electrically connected to the main control module; A horn detection module, which is electrically connected to the main control module; Power supply module; The power supply module is electrically connected to the main control module, the temperature module, the smoke detection module, the double flash detection module, and the horn detection module via a general-purpose cable; The main control module controls the temperature module to collect temperature data. The system controls the smoke detection module to detect smoke; controls the hazard light detection module to monitor the status of the vehicle's hazard lights in real time; controls the horn detection module to capture and identify horn sounds; and implements all of these features on the same four-in-one environmental monitoring sensor.

2. The four-in-one environmental monitoring sensor according to claim 1, characterized in that, The main control module is simultaneously connected to the wireless communication module, which communicates wirelessly with external devices.

3. The four-in-one environmental monitoring sensor according to claim 2, characterized in that, The main control module also includes: A microcontroller is configured in the main control module; the microcontroller executes control algorithms, data processing, and system scheduling on the data input from the temperature module, the smoke detection module, the double flash detection module, and the horn detection module; The storage module is connected to the microcontroller via a data channel; The power management module electrically connects the microcontroller and the storage module; the power management module is electrically connected to the power supply module; the power management module monitors overvoltage, undervoltage, and overtemperature conditions. An input / output interface module is provided in the main control module; the input / output interface module is connected to the temperature module, the smoke detection module, the double flash detection module and the horn detection module for input / output connection and data transmission.

4. The four-in-one environmental monitoring sensor according to claim 1, characterized in that, The temperature module also includes: A thermistor is installed in the temperature module; the thermistor is used to acquire external ambient temperature signals. A signal amplification circuit is provided, wherein the thermistor is connected to the input terminal of the signal amplification circuit; the signal amplification circuit amplifies the temperature signal acquired by the thermistor. An analog-to-digital converter (ADC) is connected to the input terminal of the signal amplification circuit; the ADC performs analog-to-digital conversion; the output terminal of the ADC is connected to the microcontroller of the main control module for data processing; the main control module controls the input / output interface module to output the temperature signal. Both the signal amplification circuit and the analog-to-digital conversion module are electrically connected to the power supply module, which provides power to them.

5. The four-in-one environmental monitoring sensor according to claim 1, characterized in that, The smoke detection module further includes: A smoke sensing unit is provided in the smoke detection module; it is used to collect smoke signals. A signal processing circuit is provided, wherein the smoke sensing unit is connected to the input terminal of the signal processing circuit; the signal processing circuit amplifies and performs analog-to-digital conversion on the smoke sensing signal collected by the smoke sensing unit. The output of the signal processing circuit is connected to the microcontroller of the main control module for data processing; the display alarm output module is driven by the signal processing circuit; the main control module controls the input / output interface module to output the display alarm output module, outputting display signals and alarm signals.

6. The four-in-one environmental monitoring sensor according to claim 1, characterized in that, The dual-flash detection module also includes: A dual-flash detection sensing unit is provided in the dual-flash detection module. The dual-flash detection sensing unit receives a dual-flash signal at its input terminal and its output terminal is connected to the microcontroller of the main control module for data processing. An execution unit is electrically connected to the microcontroller, and the microcontroller controls the execution unit to output a double-flash detection signal; The main control module controls the input / output interface module to output the induction double flash signal.

7. The four-in-one environmental monitoring sensor according to claim 1, characterized in that, The aforementioned horn detection module further includes: A sound acquisition unit is provided in the horn detection module, and a sound signal is input to the input terminal of the sound acquisition unit; The signal processing unit is electrically connected to the output of the sound acquisition unit; it amplifies and shapes the sound signal. The output of the signal processing unit is connected to the microcontroller of the main control module to perform data processing on the amplified and sound wave shaped sound signal; The main control module controls the input / output interface module to simultaneously output the detected sound signal.

8. The four-in-one environmental monitoring sensor according to claim 1, characterized in that, The power supply module further includes: An input interface is provided in the power supply module; the input interface is connected to an AC power source. A rectifier circuit is connected to the input terminal of the rectifier circuit at the output terminal of the input interface; converting the AC power supply to DC power supply. A filter capacitor is connected in parallel with the rectifier circuit to smooth the DC power supply output by the rectifier circuit. The DC-DC conversion module is connected to the input terminal of the rectifier circuit at the output terminal; the output terminal of the DC-DC conversion module outputs DC power supplies of different voltages; the DC-DC conversion module is electrically connected to the main control module, the temperature module, the smoke detection module, the double flash detection module, and the horn detection module via a POE cable. An output protection module is connected in parallel to the output terminal of the DC-DC conversion module.

9. The four-in-one environmental monitoring sensor according to claim 7, characterized in that, The sound acquisition unit uses a microphone array combined with a deep learning algorithm, achieving a recognition accuracy of >90%.

10. The four-in-one environmental monitoring sensor according to claim 2, characterized in that, The wireless communication module is WiFi, GPGS, or 5G.

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