Multi-sensor environment monitor for real-time data transmission

Abstract

The utility model discloses a multi-sensor environment monitor for real-time data transmission. The multi-sensor environment monitor comprises a surface shell, a bottom shell matched with the surface shell, a 4G external antenna with one end inserted into the surface shell, a sound cavity arranged on the surface shell, a buzzing sheet arranged on the sound cavity, a PCB assembly arranged on the bottom shell, a gas sensor, a laser dust sensor and a 4G small plate, a main control circuit, a temperature and humidity circuit, a power supply circuit, an RS485 conversion circuit, a voice output circuit, an LED lamp indicating circuit and a historical record output circuit are arranged on the PCB assembly; the corresponding ends of the main control circuit are electrically connected with the corresponding ends of a temperature and humidity circuit, a power supply circuit, an RS485 conversion circuit, a voice output circuit, a historical record output circuit, an LED lamp indicating circuit, a buzzer, a 4G small plate, a 4G external antenna, a gas sensor and a laser dust sensor. According to the utility model, the hydrogen sulfide sensor, the ammonia gas sensor, the methane gas sensor and the laser dust sensor are integrated, various pollutants can be monitored at the same time, the monitoring process is simplified, and the equipment cost is reduced.

Description

A multi-sensor environmental monitor for real-time data transmission Technical Field

[0001] This utility model relates to the field of monitoring technology, and in particular to a multi-sensor environmental monitoring device for real-time data transmission. Background Technology

[0002] In existing technologies, environmental monitoring equipment typically focuses on detecting a single type of pollutant, such as hydrogen sulfide, ammonia, or PM2.5. These devices often lack integration, complicating the monitoring process and requiring multiple devices for comprehensive monitoring. Furthermore, existing equipment has limited data processing capabilities, failing to accurately reflect environmental conditions in real time. The limited application of wireless communication technology also restricts the remote transmission and real-time monitoring of data.

[0003] With increasing demands for environmental quality, the market is increasingly seeking multifunctional, high-precision, and real-time monitoring solutions. Existing monitoring equipment falls short in terms of integration, data processing capabilities, user experience, and remote monitoring capabilities, making it difficult to meet the needs of modern environmental monitoring. Summary of the Invention

[0004] To address the problems existing in the prior art, this utility model provides a multi-sensor environmental monitor for real-time data transmission.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] This utility model provides a multi-sensor environmental monitor for real-time data transmission, including: a front shell, a bottom shell adapted to the front shell, a 4G external antenna with one end inserted into the front shell, a sound cavity set on the front shell, a buzzer plate installed on the sound cavity, a PCB board assembly, a gas sensor, a laser dust sensor, and a 4G small board set on the bottom shell.

[0007] The PCB board assembly is equipped with a main control circuit, a temperature and humidity circuit, a power supply circuit, an RS485 conversion circuit, a voice output circuit, an LED indicator circuit, and a historical record output circuit.

[0008] The corresponding terminals of the main control circuit are electrically connected to the corresponding terminals of the temperature and humidity circuit, power supply circuit, RS485 conversion circuit, voice output circuit, historical record output circuit, LED indicator circuit, buzzer, 4G board, 4G external antenna, gas sensor, and laser dust sensor, respectively.

[0009] Preferably, the faceplate is further provided with a faceplate PC sheet and a display screen, the corresponding end of which is electrically connected to the corresponding end of the main control circuit; the faceplate is also provided with an opening in the middle, a button is installed at the opening, and a sound cavity is installed below the opening.

[0010] Preferably, the sound cavity is provided with a buckle, and correspondingly, the opening of the face shell is provided with a groove that matches the buckle.

[0011] Preferably, the bottom of the bottom shell is further provided with a mounting plate, and a PCB cover plate and a sensor cover plate are also installed between the bottom shell and the mounting plate.

[0012] Preferably, the gas sensor includes a hydrogen sulfide gas sensor, an ammonia gas sensor, and a laser methane sensor; the corresponding terminals of the hydrogen sulfide gas sensor, ammonia gas sensor, and laser methane sensor are electrically connected to the corresponding terminals of the MCU.

[0013] Preferably, the main control circuit includes an MCU and its peripheral circuits, wherein the MCU is model CLM32L003K8T7.

[0014] Preferably, the temperature and humidity circuit includes a temperature and humidity sensor chip AHT20 and its peripheral circuit, and the corresponding terminal of the temperature and humidity sensor chip AHT20 is electrically connected to the corresponding terminal of the MCU.

[0015] Preferably, the power supply circuit includes a voltage regulator chip MC34063 and its peripheral circuit, an SD5333-3.3V voltage regulator chip electrically connected to the corresponding terminal of the voltage regulator chip MC34063 and its peripheral circuit; wherein the voltage regulator chip MC34063 is used to convert the 12V voltage input to the circuit into a 5V voltage, and the SD5333-3.3V voltage regulator chip is used to convert the input 5V voltage into a 3.3V voltage to power the circuit.

[0016] Preferably, the PCB board assembly is further provided with a reserved interface circuit for the NB module board, a relay, and a solenoid valve output circuit; the corresponding terminals of the MCU are electrically connected to the corresponding terminals of the reserved interface circuit for the NB module board, the relay, and the solenoid valve output circuit, respectively.

[0017] Preferably, the PCB board assembly further includes a hydrogen sulfide sensor power control circuit, a hydrogen sulfide sensor interface circuit, an ammonia sensor power control circuit, an ammonia sensor interface circuit, a laser dust sensor power control circuit, and a laser dust sensor interface circuit; the corresponding terminals of the MCU are electrically connected to the corresponding terminals of the hydrogen sulfide sensor power control circuit, the hydrogen sulfide sensor interface circuit, the ammonia sensor power control circuit, the ammonia sensor interface circuit, the laser dust sensor power control circuit, and the laser dust sensor interface circuit, respectively.

[0018] The technical solution of this utility model has the following beneficial effects:

[0019] High integration: This real-time data transmission multi-sensor environmental monitor integrates hydrogen sulfide, ammonia, methane gas sensors, and laser dust sensors, enabling it to monitor multiple pollutants simultaneously, simplifying the monitoring process and reducing equipment costs.

[0020] Strong data processing capabilities: Data processing is performed through a high-performance MCU, which improves the accuracy and reliability of the data and can reflect the environmental conditions in real time.

[0021] Excellent user experience: Equipped with a display screen and buttons, users can intuitively obtain monitoring data and configure the device via buttons, improving ease of operation.

[0022] This invention is used to monitor various gases and particulate matter in the environment and transmits the data to a remote monitoring system via wireless communication technology. It enables comprehensive environmental monitoring and timely feedback of important information to users, thus playing an important role in environmental protection, industrial safety, smart homes and other fields.

[0023] Remote monitoring capability: Supports 4G wireless data transmission, enabling real-time transmission of monitoring data to a remote monitoring center or user equipment for convenient remote monitoring and management. The MCU wirelessly transmits monitoring data to the remote monitoring center or user equipment via a 4G board and an external 4G antenna. Through an RS485 conversion circuit, the multi-sensor environmental monitor for real-time data transmission also supports the RS485 communication protocol, enabling wired data transmission with other devices.

[0024] Comprehensive alarm function: When pollutant concentration exceeds the standard, it can issue an alarm through LED lights and buzzer to promptly remind users to take appropriate measures.

[0025] This invention should also have a historical data recording function, capable of recording and displaying monitoring data such as temperature, humidity, gas concentration, and PM content over a period of time. This helps users analyze trends in environmental air quality and provides a basis for improving environmental quality. Attached Figure Description

[0026] Figure 1 is a schematic diagram of the structure of this utility model;

[0027] Figure 2 is an exploded view of the structure of this utility model;

[0028] Figure 3 is a control circuit diagram of this utility model;

[0029] Figure 4 is a circuit diagram of the main control circuit of this utility model;

[0030] Figure 5 is a circuit diagram of the power supply circuit of this utility model;

[0031] Figure 6 is a circuit diagram of the temperature and humidity circuit of this utility model;

[0032] Figure 7 is a circuit diagram of the RS485 conversion circuit of this utility model;

[0033] Figure 8 is a circuit diagram of the historical record output circuit of this utility model;

[0034] Figure 9 is a circuit diagram of the power supply control circuit and the interface circuit of the hydrogen sulfide sensor of this utility model.

[0035] Figure 10 is a circuit diagram of the power control circuit and the interface circuit of the ammonia sensor of this utility model.

[0036] Figure 11 is a circuit diagram of the power control circuit and the interface circuit of the laser dust sensor of this utility model.

[0037] Figure 12 is a circuit diagram of the LED indicator circuit of this utility model;

[0038] Figure 13 is a circuit diagram of the relay and solenoid valve output circuit of this utility model. Detailed Implementation

[0039] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0040] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0044] Referring to Figures 1 to 13, this utility model provides a multi-sensor environmental monitor for real-time data transmission, including: a front shell 3, a bottom shell 10 adapted to the front shell 3, a 4G external antenna 2 with one end inserted into the front shell 10, a sound cavity 6 disposed on the front shell 3, a buzzer 7 mounted on the sound cavity 6, a PCB board assembly 8 disposed on the bottom shell 10, a gas sensor 24, a laser dust sensor 25, and a 4G small board 12;

[0045] The PCB board assembly 8 is equipped with a main control circuit 20, a temperature and humidity circuit 22, a power supply circuit 21, an RS485 conversion circuit 23, a voice output circuit 26, an LED indicator circuit 28, and a historical record output circuit 27.

[0046] The main control circuit 20 is electrically connected to the corresponding terminals of the temperature and humidity circuit 22, the power supply circuit 21, the RS485 conversion circuit 23, the voice output circuit 26, the historical record output circuit 27, the LED indicator circuit 28, the buzzer 7, the 4G board 12, the 4G external antenna 2, the gas sensor 24, and the laser dust sensor 25.

[0047] The 4G external antenna enhances the wireless signal reception and transmission capabilities of the multi-sensor environmental monitor for real-time data transmission, ensuring the stability and reliability of data transmission. It enables remote data transmission via the 4G network, allowing the multi-sensor environmental monitor to send monitoring data to the monitoring center or user equipment.

[0048] Sound cavity 6 and buzzer 7: Provide sound output function for alarm or prompting users. When the concentration of harmful gas or particulate matter exceeds the standard, the buzzer will sound an alarm to remind the user to take appropriate measures.

[0049] Gas sensor 24 and laser dust sensor 25 are used to detect harmful gases (such as hydrogen sulfide and ammonia) and particulate matter (such as PM2.5) in the environment, respectively. By accurately measuring the concentration of gases and particulate matter, they provide a scientific basis for environmental monitoring.

[0050] Furthermore, the housing 3 is also provided with a housing PC sheet 1 and a display screen 40, the corresponding end of which is electrically connected to the corresponding end of the main control circuit 20; the housing 3 also has an opening in the middle, at which a button 5 is installed, and a sound cavity 6 is installed below the opening. The sound cavity 6 is provided with a buckle, and correspondingly, the opening of the housing 3 has a matching slot for the buckle, which facilitates disassembly and assembly; the display screen is used to display environmental data monitored by the multi-sensor environmental monitor, such as gas concentration, temperature, humidity, etc., which are transmitted in real time.

[0051] Furthermore, a mounting plate 17 is also provided at the bottom of the base shell 10, and a PCB cover plate 13 and a sensor cover plate 15 are installed between the base shell 10 and the mounting plate 17. In this embodiment, the PCB cover plate covers the PCB board assembly to protect the circuit board. The sensor cover plate covers the gas sensor and the laser dust sensor to protect the sensors from physical damage.

[0052] Furthermore, the gas sensor 24 includes a hydrogen sulfide gas sensor, an ammonia gas sensor, and a laser methane sensor. The corresponding terminals of the hydrogen sulfide gas sensor, ammonia gas sensor, and laser methane sensor are electrically connected to the corresponding terminals of the MCU, and are used to detect the concentration of hydrogen sulfide, ammonia, and methane (CH4) gas in the environment. The laser methane sensor is model MH-Z9041A.

[0053] Furthermore, the main control circuit 20 includes an MCU and its peripheral circuits, wherein the MCU is model CLM32L003K8T7.

[0054] Furthermore, the temperature and humidity circuit 22 includes a temperature and humidity sensor chip AHT20 and its peripheral circuits, with the corresponding terminal of the temperature and humidity sensor chip AHT20 electrically connected to the corresponding terminal of the MCU.

[0055] Furthermore, the power supply circuit 21 includes a voltage regulator chip MC34063 and its peripheral circuits, an SD5333-3.3V voltage regulator chip electrically connected to the corresponding terminal of the voltage regulator chip MC34063 and its peripheral circuits; wherein the voltage regulator chip MC34063 is used to convert the 12V voltage input to the circuit into a 5V voltage, and the SD5333-3.3V voltage regulator chip is used to convert the input 5V voltage into a 3.3V voltage to power the circuit.

[0056] Furthermore, the PCB board assembly 8 is also provided with an NB module board reserved interface circuit 30, a relay and solenoid valve output circuit 29; the corresponding terminals of the MCU are electrically connected to the corresponding terminals of the NB module board reserved interface circuit 30, the relay and solenoid valve output circuit 29 respectively.

[0057] Furthermore, the PCB board assembly 8 is also provided with a hydrogen sulfide sensor power control circuit 31, a hydrogen sulfide sensor interface circuit 32, an ammonia sensor power control circuit 33, an ammonia sensor interface circuit 34, a laser dust sensor power control circuit 35, and a laser dust sensor interface circuit 36; the corresponding terminals of the MCU are electrically connected to the corresponding terminals of the hydrogen sulfide sensor power control circuit 31, hydrogen sulfide sensor interface circuit 32, ammonia sensor power control circuit 33, ammonia sensor interface circuit 34, laser dust sensor power control circuit 35, and laser dust sensor interface circuit 36, respectively.

[0058] Working principle of this utility model:

[0059] The multi-sensor environmental monitor with real-time data transmission incorporates a hydrogen sulfide gas sensor, an ammonia sensor, and a laser methane sensor to detect the concentrations of hydrogen sulfide, ammonia, and methane in the environment, respectively. A laser dust sensor detects particulate matter concentrations, such as PM2.5, while a temperature and humidity sensor (e.g., AHT20) monitors ambient temperature and humidity. Sensor data is transmitted to the main control circuit (MCU) via their respective interface circuits. The MCU processes the data, displaying it in real-time on the screen 40, providing users with intuitive environmental monitoring information. When the detected gas or particulate matter concentration exceeds a preset safety threshold, the MCU triggers an alarm, illuminating the corresponding alarm LED and emitting an alarm sound via the voice output circuit. The MCU wirelessly transmits monitoring data to a remote monitoring center or user equipment via a 4G board and an external 4G antenna. Through an RS485 conversion circuit, the multi-sensor environmental monitor with real-time data transmission can also support the RS485 communication protocol, enabling wired data transmission with other devices.

[0060] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A multi-sensor environmental monitor for real-time data transmission, characterized in that, include: The system comprises a front shell, a bottom shell adapted to the front shell, a 4G external antenna with one end inserted into the front shell, a sound cavity mounted on the front shell, a buzzer mounted on the sound cavity, a PCB board assembly mounted on the bottom shell, a gas sensor, a laser dust sensor, and a 4G small board; the PCB board assembly is equipped with a main control circuit, a temperature and humidity circuit, a power supply circuit, an RS485 conversion circuit, a voice output circuit, an LED indicator circuit, and a historical record output circuit; the corresponding terminals of the main control circuit are electrically connected to the corresponding terminals of the temperature and humidity circuit, the power supply circuit, the RS485 conversion circuit, the voice output circuit, the historical record output circuit, the LED indicator circuit, the buzzer, the 4G small board, the 4G external antenna, the gas sensor, and the laser dust sensor.

2. The multi-sensor environmental monitor for real-time data transmission according to claim 1, characterized in that, The faceplate is also provided with a faceplate PC sheet and a display screen, the corresponding end of which is electrically connected to the corresponding end of the main control circuit; the faceplate is also provided with an opening in the middle, a button is installed in the opening, and a sound cavity is installed below the opening.

3. The multi-sensor environmental monitor for real-time data transmission according to claim 2, characterized in that, The sound cavity is provided with a buckle, and correspondingly, the opening of the face shell is provided with a slot that matches the buckle.

4. The multi-sensor environmental monitor for real-time data transmission according to claim 1, characterized in that, The bottom of the base is also provided with a mounting plate, and a PCB cover plate and a sensor cover plate are installed between the base and the mounting plate.

5. The multi-sensor environmental monitor for real-time data transmission according to claim 1, characterized in that, The gas sensors include a hydrogen sulfide gas sensor, an ammonia gas sensor, and a laser methane sensor; the corresponding terminals of the hydrogen sulfide gas sensor, ammonia gas sensor, and laser methane sensor are electrically connected to the corresponding terminals of the MCU.

6. The multi-sensor environmental monitor for real-time data transmission according to claim 5, characterized in that, The main control circuit includes an MCU and its peripheral circuits. The MCU model is CLM32L003K8T7.

7. The multi-sensor environmental monitor for real-time data transmission according to claim 6, characterized in that, The temperature and humidity circuit includes a temperature and humidity sensor chip AHT20 and its peripheral circuits. The corresponding terminal of the temperature and humidity sensor chip AHT20 is electrically connected to the corresponding terminal of the MCU.

8. The multi-sensor environmental monitor for real-time data transmission according to claim 1, characterized in that, The power supply circuit includes a voltage regulator chip MC34063 and its peripheral circuits, an SD5333-3.3V voltage regulator chip electrically connected to the corresponding terminal of the MC34063 and its peripheral circuits; wherein the voltage regulator chip MC34063 is used to convert the 12V voltage input to the circuit to a 5V voltage, and the SD5333-3.3V voltage regulator chip is used to convert the input 5V voltage to a 3.3V voltage to power the circuit.

9. The multi-sensor environmental monitor for real-time data transmission according to claim 7, characterized in that, The PCB board assembly is also provided with a reserved interface circuit for the NB module board, a relay, and a solenoid valve output circuit; the corresponding terminals of the MCU are electrically connected to the corresponding terminals of the reserved interface circuit for the NB module board, the relay, and the solenoid valve output circuit, respectively.

10. The multi-sensor environmental monitor for real-time data transmission according to claim 9, characterized in that, The PCB board assembly also includes a hydrogen sulfide sensor power control circuit, a hydrogen sulfide sensor interface circuit, an ammonia sensor power control circuit, an ammonia sensor interface circuit, a laser dust sensor power control circuit, and a laser dust sensor interface circuit; the corresponding terminals of the MCU are electrically connected to the corresponding terminals of the hydrogen sulfide sensor power control circuit, the hydrogen sulfide sensor interface circuit, the ammonia sensor power control circuit, the ammonia sensor interface circuit, the laser dust sensor power control circuit, and the laser dust sensor interface circuit, respectively.

Images