CN214702353U

CN214702353U - Air environment quality monitor

Info

Publication number: CN214702353U
Application number: CN202120974572.5U
Authority: CN
Inventors: 陈振宇
Original assignee: Jiangsu Yijiazhi Home Technology Co ltd
Current assignee: Jiangsu Yijiazhi Home Technology Co ltd
Priority date: 2021-05-09
Filing date: 2021-05-09
Publication date: 2021-11-12
Anticipated expiration: 2031-05-09

Abstract

The utility model discloses an air environment quality monitor, which relates to the field of monitors and aims at the incomplete detection content of the existing air environment quality monitors on the market, and cannot provide real-time and effective air environment detection data, the following proposal is proposed, which comprises a base, a fixed rod is fixedly arranged at the top of the base, a control box is arranged in the middle of the fixed rod, a display screen is arranged at the top of the control box, the display screen is connected with a fixed rod, a supporting plate is arranged at the top of the fixed rod, a temperature and humidity sensitive element is fixedly arranged at the top of the supporting plate, a formaldehyde sensitive element is arranged on one side of the temperature and humidity sensitive element, and the other side of the temperature and humidity sensitive element is provided with a dust-raising sensitive element, one side of the dust-raising sensitive element is provided with a carbon dioxide sensitive element, and the top of the fixed rod is fixedly provided with a TVOC sensitive element. The air environment quality monitor is convenient for providing effective environment detection data in real time.

Description

Air environment quality monitor

Technical Field

The utility model relates to a monitor field especially relates to air environment quality monitor.

Background

With the issuance and implementation of various environmental protection policy and regulations established by the state, local governments at all levels increasingly attach importance to environmental management in jurisdictions, and meanwhile, the investment on environmental monitoring and emergency monitoring is increased, atmospheric environmental quality monitoring ground stations are planned and installed in various regions successively, but the monitoring stations can only measure the average air quality of the local regions, and the portable air quality monitoring equipment has the characteristics of more convenience and rapidness for multi-point urban mobile environment monitoring, air quality emergency monitoring after emergency event processing and irregular sampling inspection of key pollution enterprises.

Aiming at the problems that the air environment quality detector in the market at present has incomplete detection content and cannot provide real-time effective air environment detection data, the air environment quality monitor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air circumstance quality monitoring appearance has solved the air circumstance quality detection appearance content of detecting that exists on the market at present and is not comprehensive, and can't provide the problem of real-time effectual air circumstance detection data.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

air circumstance quality monitoring appearance, the on-line screen storage device comprises a base, the top fixed mounting of base has the dead lever, the mid-mounting of dead lever has the control box, the top of control box is provided with the display screen, just the display screen is connected with the dead lever, the top of dead lever is provided with the backup pad, just the top fixed mounting of backup pad has humiture sensing element, one side of humiture sensing element is provided with formaldehyde sensing element, just the opposite side of humiture sensing element is provided with raise dust sensing element, one side of raise dust sensing element is provided with carbon dioxide sensing element, the top fixed mounting of dead lever has TVOC sensing element.

Preferably, a battery part is arranged in the control box, a circuit board is arranged at the top of the battery part, and a microcontroller is arranged in the circuit board.

Preferably, the battery part is provided with three voltages, namely 5V, 3.3V and 1.8V, the 3.3V supplies power for part of the sensor element, the communication chip and the microcontroller part, the 3.3V linear output is 1.8V, and the 1.8V supplies power for part of the sensor element.

Preferably, the circuit board comprises a reset circuit, a crystal oscillator circuit and a communication circuit, and the reset circuit adopts low-level reset.

Preferably, the temperature and humidity sensitive element is built on a brand new and optimized CMOSens chip, has very high product reliability and precision specification, and has brand new functional design: enhanced signal processing, optional I2C address, programmable temperature and humidity limit alarm mode.

Preferably, the TVOC sensor is based on cmos sens technology, and can provide a complete sensor system on a single chip by a temperature controlled micro heater plate and a humidity compensated room air quality signal.

The utility model has the advantages that:

the utility model provides an air circumstance quality monitoring appearance, at first initialize the microcontroller peripheral hardware, mainly contain GPIO, TIMER, NVIC, USART, WATCHDOG, SYSTICK etc, the second step is through TVOC sensing element collection TVOC data and calibration temperature data, and handle TVOC data, secondly acquire formaldehyde data through formaldehyde sensing element, and handle formaldehyde data, rethread carbon dioxide sensing element acquires carbon dioxide data, and handle it, acquire humiture data through humiture sensing element after that, and handle it, acquire PM1.0 through the raise dust sensing element at last, PM2.5, PM 10's data and handle it, the third step is handled MODBUS-RTU agreement, be convenient for at last show data through the display screen.

In conclusion, the device is convenient to provide monitoring of eight environmental data of temperature, humidity, PM1.0, PM2.5, PM10, formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC) and carbon dioxide at a time, and the device can provide effective environmental detection data in real time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a hardware architecture diagram of the present invention.

Fig. 3 is a reset circuit diagram of the present invention.

Fig. 4 is a circuit diagram of the present invention.

Fig. 5 is a circuit diagram of power conversion of the present invention.

Fig. 6 is a circuit diagram of power conversion of the present invention.

Fig. 7 is a circuit diagram of the crystal oscillator circuit of the present invention.

Reference numbers in the figures: 1. a base; 2. fixing the rod; 3. a control box; 4. a battery portion; 5. a circuit board; 6. a display screen; 7. a formaldehyde sensing element; 8. a temperature and humidity sensitive element; 9. a TVOC sensitive element; 10. a dust sensing element; 11. a carbon dioxide sensing element; 12. a support plate; 13. a microcontroller; 14. a reset circuit; 15. a crystal oscillator circuit; 16. a communication circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, air environment quality monitor, the top fixed mounting of base 1 has dead lever 2, the mid-mounting of dead lever 2 has control box 3, the top of control box 3 is provided with display screen 6, just display screen 6 is connected with dead lever 2, the top of dead lever 2 is provided with backup pad 12, just the top fixed mounting of backup pad 12 has humiture sensing element 8, one side of humiture sensing element 8 is provided with formaldehyde sensing element 7, just the opposite side of humiture sensing element 8 is provided with raise dust sensing element 10, one side of raise dust sensing element 10 is provided with carbon dioxide sensing element 11, the top fixed mounting of dead lever 2 has TVOC sensing element 9.

In this embodiment, the inside of control box 3 is provided with battery part 4, battery part 4's top is provided with circuit board 5, just circuit board 5's inside is provided with microcontroller 13, and microcontroller 13 is convenient for carry out information processing, battery part 4 is provided with three kinds of voltages, is 5V, 3.3V and 1.8V respectively, and 3.3V is partial sensing element, communication chip and the partial power supply of microcontroller 13, and 3.3V linear output 1.8V, 1.8V are partial sensor element power supply, circuit board 5 includes reset circuit 14, crystal oscillator circuit 15 and communication circuit 16, just reset circuit 14 adopts the low level to reset.

In addition, the temperature and humidity sensitive element 8 is built on a brand new and optimized CMOSens chip, has very high product reliability and precision specification, and has brand new functional design: enhanced signal processing, optional I2C address, programmable temperature and humidity limit alarm mode, the TVOC sensor 9 is based on cmos ens technology, temperature controlled micro heater plate and humidity compensated indoor air quality signal, can provide a complete sensor system on a single chip.

The type of the microcontroller 13 is: Cortex-M3.

When the utility model is used, firstly, the device is fixed at a reserved position through the base 1 arranged at the bottom of the device, and the device is connected with an external power supply;

after the device is fixed, firstly, the peripheral of the microcontroller 13 is initialized, and the peripheral mainly comprises GPIO, TIMER, NVIC, USART, WATCHDOG, SYSTICK and the like, secondly, TVOC data and calibration temperature data are acquired through a TVOC sensitive element 9, the TVOC data are processed, secondly, formaldehyde data are acquired through a formaldehyde sensitive element 7, the formaldehyde data are processed, thirdly, carbon dioxide data are acquired through a carbon dioxide sensitive element 11, the carbon dioxide data are processed, thirdly, temperature and humidity data are acquired through a temperature and humidity sensitive element 8 and processed, finally, data of PM1.0, PM2.5 and PM10 are acquired through a dust sensitive element 10 and processed, thirdly, an MODBUS-RTU protocol is processed, and finally, the data are displayed through a display screen 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The air environment quality monitor comprises a base (1) and is characterized in that a fixed rod (2) is fixedly arranged at the top of the base (1), a control box (3) is arranged in the middle of the fixed rod (2), a display screen (6) is arranged at the top of the control box (3), the display screen (6) is connected with the fixed rod (2), the top of the fixed rod (2) is provided with a supporting plate (12), and the top of the supporting plate (12) is fixedly provided with a temperature and humidity sensitive element (8), a formaldehyde sensitive element (7) is arranged on one side of the temperature and humidity sensitive element (8), and a dust-raising sensitive element (10) is arranged on the other side of the temperature and humidity sensitive element (8), a carbon dioxide sensitive element (11) is arranged on one side of the dust sensitive element (10), the top of the fixed rod (2) is fixedly provided with a TVOC sensitive element (9).

2. The air environment quality monitor according to claim 1, characterized in that a battery part (4) is arranged inside the control box (3), a circuit board (5) is arranged on top of the battery part (4), and a microcontroller (13) is arranged inside the circuit board (5).

3. The air environment quality monitor according to claim 2, wherein the battery part (4) is provided with three voltages, 5V, 3.3V and 1.8V, 3.3V partially supplies power to the sensing element, the communication chip and the microcontroller (13), 3.3V outputs 1.8V linearly, and 1.8V supplies power to the sensing element.

4. The air environment quality monitor according to claim 2, wherein the circuit board (5) comprises a reset circuit (14), a crystal oscillator circuit (15) and a communication circuit (16), and the reset circuit (14) adopts a low level reset.

5. The air environment quality monitor according to claim 1, wherein the temperature and humidity sensitive element (8) is built on a brand new and optimized cmos ens chip, enhanced signal processing, selectable I2C address, programmable temperature and humidity limit alarm mode.

6. Air environment quality monitor according to claim 1, characterized in that the TVOC sensor (9) is based on cmos sens technology, temperature controlled micro heater plates and humidity compensated room air quality signals, capable of providing a complete sensor system on a single chip.