CN207851571U - An all-in-one sensor device - Google Patents

Abstract

The utility model innovation discloses a kind of All-in-One sensor device, including temperature sensor, humidity sensor, atmospheric pressure intensity sensor, CO sensors, SO₂Sensor, NO₂Sensor, O₃Sensor and dust sensor for being detected to PM2.5 in environment, further include for carrying out the MCU processor of signal processing, the analog-to-digital conversion module being connect with MCU processor signal, the operational amplifying module being connect with analog-to-digital conversion module signal, the operational amplifying module respectively with CO sensors, SO₂Sensor, NO₂Sensor and O₃Sensor signal connects, the MCU processor is connect with temperature sensor, humidity sensor, atmospheric pressure intensity sensor and dust sensor signal respectively, with one for the output module signal that detection data exports to be connect, the MCU processor is also connect with a power module MCU processor.The overall structure of the utility model is stablized, and the stability of work can be effectively improved, and improves accuracy of detection, and easy to install and use.

Description

An all-in-one sensor device

technical field

The utility model belongs to the field of environmental monitoring, in particular to an all-in-one sensor device.

Background technique

With the development of the economy, people pay more and more attention to the atmospheric environment. The important monitoring objects for monitoring the atmospheric environment include CO, SO ₂ , NO ₂ , O ₃ , PM2.5, and PM10. At present, in order to accurately monitor the atmospheric environment, more and more atmospheric monitoring equipment is installed in cities. However, the existing devices are connected by a single sensor and the accuracy of the sensor is insufficient. The single sensor connection makes the overall structure large, inconvenient to install and use, and prone to signal problems during work.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide an all-in-one sensor device, which can effectively improve the detection accuracy and integrate to improve the working stability.

To achieve this purpose, the utility model provides an all-in-one sensor device, including a temperature sensor, a humidity sensor, an atmospheric pressure sensor, a CO sensor, a _SO sensor, a _NO sensor, _an O sensor and a sensor for monitoring PM2 in the environment. .5 The dust sensor for detection also includes an MCU processor for signal processing, an analog-to-digital conversion module connected to the MCU processor signal, and an operational amplification module connected to the analog-to-digital conversion module signal, and the operational amplification module is respectively Connect with CO sensor, _SO sensor, _NO sensor and _O sensor signal, described MCU processor is respectively connected with temperature sensor, humidity sensor, atmospheric pressure sensor and dust sensor signal, and described MCU processor is used for The signal connection of the output module for outputting the detected data, and the MCU processor is also connected with a power supply module.

Preferably, the device is also provided with a control module for performing setting operations, and the control module is connected to the MCU processor for signals.

Preferably, the device is also provided with an alarm module for alarming and an indicator light module for indicating the state of the atmospheric environment, the alarm module and the indicator light module are connected to the MCU processor signal respectively, and the alarm module and the indicator light The modules are also respectively connected to the power supply modules.

Preferably, the indicator light module is provided with a green light, a yellow light and a red light for indicating the state of the atmospheric environment.

Preferably, the power supply module is provided with a rectification and voltage stabilization module for connecting with an external power supply, a battery module connected with the rectification and voltage stabilization module, and an output control module for power output control, the rectification and voltage stabilization module and the battery module Connect with the output control module respectively.

Preferably, the output module is provided with a TTL serial port and an RS485 interface.

Preferably, the control module is provided with a display for displaying detection data.

Compared with the prior art, the utility model has the beneficial effects of:

In the utility model, the integrated connection between the MCU processor and each detection sensor makes the overall structure stable, thereby effectively improving the working stability and detection accuracy, and is convenient for installation and use. The utility model adopts the gas sensor of PPB level, which can effectively improve the detection accuracy and stability. In the utility model, the change of the atmospheric environment can be reminded in real time by setting the alarm module and the indicator light module, so as to improve the practicability. In the utility model, by setting a power supply module, the device can perform uninterrupted real-time monitoring and improve the stability of detection.

Description of drawings

Fig. 1 is a block diagram of the utility model;

Fig. 2 is further deepened structural block diagram in the utility model;

Fig. 3 is a structural block diagram of the power module in the utility model.

Detailed ways

The technical scheme of the utility model is further described in detail below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.

As shown in Figures 1-3, an all-in-one sensor device includes a temperature sensor 5, a humidity sensor 6, an atmospheric pressure sensor 7, a CO sensor 8, an SO ₂ sensor 9, a NO ₂ sensor 10, an O ₃ sensor 11 and The dust sensor 4 for detecting PM2.5 in the environment also includes an MCU processor 1 for signal processing, an analog-to-digital conversion module 2 connected to the MCU processor 1 signal, and a signal connection to the analog-to-digital conversion module 2 Operational amplification module 3, operational amplification module 3 is respectively connected with CO sensor 8, SO ₂ sensor 9, NO ₂ sensor 10 and O ₃ sensor 11 signal connection, MCU processor 1 is connected with temperature sensor 5, humidity sensor 6, atmospheric pressure sensor respectively 7 is connected to the signal of the dust sensor 4 , the MCU processor 1 is connected to an output module 12 for outputting detection data, and the MCU processor 1 is also connected to a power module 14 . The device is also provided with a control module 13 for setting operations, and the control module 13 is connected to the MCU processor 1 with signals. The control module 13 is provided with a display for displaying detection data.

In this embodiment, the MCU processor 1 is a 32-bit low-power MCU processor, which can ensure the stable operation of the module system, and the CO sensor 8, SO ₂ sensor 9, NO ₂ sensor 10, and O ₃ sensor 11 are PPB level Gas sensor, dust sensor 4 is a dust sensor using laser principle for testing PM2.5 and PM10, temperature sensor 5 is a temperature sensor with an accuracy of 0.001°C, humidity sensor 6 is a humidity sensor with an accuracy of 0.01%RH, and atmospheric pressure sensor 7 It is an atmospheric pressure sensor with an accuracy of 0.1Pa.

In this embodiment, the operational amplification module 3 adopts an extremely low-noise and strong anti-interference circuit matched with a high-precision sensor, and the analog-to-digital conversion module 2 is a 16-bit high-precision analog-to-digital converter, thereby being able to convert air CO, The weak change signals of SO ₂ , NO ₂ , and O ₃ gases are converted into high-precision digital signals. During use, the operator can set various index values through the control module 13 .

The device is also provided with an alarm module 15 for reporting to the police and an indicator light module 16 for indicating the state of the atmospheric environment. The alarm module 15 and the indicator light module 16 are connected with the MCU processor 1 signal respectively, and the alarm module 15 and the indicator light module 16 is also connected with the power module 14 respectively. The indicator light module 16 is provided with a green light, a yellow light and a red light for indicating the state of the atmospheric environment.

In this embodiment, the alarm module 15 is provided with a buzzer, and cooperates with the indicator light module 16 during operation. Carry out the alarm of setting, control indicator light module 16 bright red light simultaneously, MCU processor 1 controls indicator light module 16 bright green light when atmospheric environment is qualified, when certain index of atmospheric environment will exceed setting value, according to setting The MCU processor 1 controls the indicator light module 16 to turn on the yellow light.

The power supply module 14 is provided with a rectification and voltage stabilization module 141 for connecting with an external power supply, a battery module 142 connected with the rectification and voltage stabilization module 141 and an output control module 143 for power output control, the rectification and voltage stabilization module 141 and the battery module 142 They are connected to the output control module 143 respectively.

In this embodiment, when the power supply module 14 is connected to an external power supply, the output control module 143 controls the rectification and voltage stabilization module 141 to charge the battery module 142, and directly performs power supply output through the rectification and voltage stabilization module 141, between the power supply module 14 and the external When the power supply is disconnected, the output control module 143 outputs the power supply through the battery module 142, thereby improving the stability of the power supply.

The output module 12 is provided with a TTL serial port and an RS485 interface. Therefore, when outputting detection data, communication selection can be performed as required, which is convenient for installation and use.

In this embodiment, the dust sensor 4 can also be connected with the power supply module 14 to obtain electric energy. During work, the opening and closing of the dust sensor 4 can be controlled in real time by the MCU processor 1, so that the dust sensor 4 can be opened when used. Turn off when not in use, reducing overall power consumption.

The above are only preferred embodiments of the present utility model, and it should be understood that the present utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and Modifications can be made within the contemplation herein by the teachings above or by skill or knowledge in the relevant art. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, and should all be within the protection scope of the appended claims of the utility model.

Claims (7)

1. a kind of All-in-One sensor device, including temperature sensor (5), humidity sensor (6), atmospheric pressure intensity sensor (7), CO sensors (8), SO₂Sensor (9), NO₂Sensor (10), O₃Sensor (11) and for being detected to PM2.5 in environment Dust sensor (4), which is characterized in that further include for carrying out the MCU processor of signal processing (1) and MCU processor (1) analog-to-digital conversion module (2) of signal connection, the operational amplifying module (3) being connect with analog-to-digital conversion module (2) signal, it is described Operational amplifying module (3) respectively with CO sensors (8), SO₂Sensor (9), NO₂Sensor (10) and O₃Sensor (11) signal Connection, the MCU processor (1) respectively with temperature sensor (5), humidity sensor (6), atmospheric pressure intensity sensor (7) and powder Dust sensor (4) signal connects, the MCU processor (1) and an output module (12) for exporting detection data Signal connects, and the MCU processor (1) also connect with a power module (14).

2. a kind of All-in-One sensor device according to claim 1, which is characterized in that the present apparatus is also set up for carrying out The control module (13) of operation is set, and the control module (13) connect with MCU processor (1) signal.

3. a kind of All-in-One sensor device according to claim 1, which is characterized in that the present apparatus is additionally provided with for reporting Alert alarm module (15) and for the indicative indicating lamp module of atmospheric environment state (16), the alarm module (15) It is connect respectively with MCU processor (1) signal with indicating lamp module (16), the alarm module (15) and indicating lamp module (16) are also It is connect respectively with power module (14).

4. a kind of All-in-One sensor device according to claim 3, which is characterized in that the indicating lamp module (16) sets It is equipped with for the indicative green light of atmospheric environment state, amber light and red light.

5. a kind of All-in-One sensor device according to claim 1, which is characterized in that power module (14) setting It is useful for the rectifying and voltage-stabilizing module (141) being attached with external power supply, the battery module being connect with rectifying and voltage-stabilizing module (141) (142) and for the output control module (143) that power supply output controls, the rectifying and voltage-stabilizing module (141) and battery module (142) it is connect respectively with output control module (143).

6. a kind of All-in-One sensor device according to claim 1, which is characterized in that output module (12) setting There are TTL serial ports and RS485 interfaces.

7. a kind of All-in-One sensor device according to claim 2, which is characterized in that control module (13) setting It is useful for the display shown to detection data.