阅读说明：本技术 一种空气环境质量检测仪 (Air environment quality detector ) 是由 马驰 朱悦 张鹏 于 2018-07-14 设计创作，主要内容包括：一种空气环境质量检测仪,属于传感器检测技术领域,是主要由传感器组、单片机系统、键盘模块、液晶显示模块、灯光报警模块、数据存储模块、通信模块和上位机组成的,其特征在于：所述传感器组和单片机系统相连接,键盘模块和单片机系统相连接,液晶显示模块、灯光报警模块、数据存储模块和通信模块均与单片机系统相连接,上位机和通信模块相连接,本发明的空气环境质量检测仪,能综合检测空气中六种气体含量,并且兼具便携、插口、报警、数据存储与传输等功能；具有较大的销售市场和较高的使用价值。(The utility model provides an air environment quality detector, belongs to sensor detection technical field, is mainly by sensor group, single chip microcomputer system, keyboard module, liquid crystal display module, light alarm module, data storage module, communication module and host computer constitution, its characterized in that: the air environment quality detector can comprehensively detect the content of six gases in the air, and has the functions of portability, socket, alarm, data storage, transmission and the like; has larger sales market and higher use value.)

1. The utility model provides an air environment quality detector, is mainly by sensor group, single chip microcomputer system, keyboard module, liquid crystal display module, light alarm module, data storage module, communication module and host computer constitution, its characterized in that: the sensor group is connected with the single chip microcomputer system, the keyboard module is connected with the single chip microcomputer system, the liquid crystal display module, the light alarm module, the data storage module and the communication module are all connected with the single chip microcomputer system, and the upper computer is connected with the communication module.

2. An air environment quality detector as claimed in claim 1, wherein: in the sensor group, the PM2.5 sensor adopts an optical concentration detection sensor GP2Y1010AU0F, the sampling period of an input signal of the sensor is 10ms +/-1 ms, and the pulse width of an input high level is 0.32ms +/-0.02 ms. The sampling of the signal is started after the input signal has high pulse and lasts for 0.28 ms; the PM10 sensor adopts a dust sensor DSM501 which is a Korean SYHITECH patent product; o is₃The sensor adopts a British import semiconductor sensor MS 2610; SO (SO)₂The sensor selects a 4502-5 gas sensor probe in AERI series products; NO₂The sensor adopts a WSP1110 type semiconductor NO₂A sensor; and the CO sensor adopts an MQ-7 carbon monoxide sensor.

3. An air environment quality detector as claimed in claim 1, wherein: the liquid crystal display module adopts an FM12864-12L dot matrix type liquid crystal display.

4. An air environment quality detector as claimed in claim 1, wherein: the light alarm module adopts LED light alarm, four-level light alarm is selected, the circuit consists of four red LED lamps and resistors, wherein a P2.0 port is connected with a P2.0/ACLK/CA2 port of the single chip microcomputer, a P2.1 port is connected with a P2.1/TAINCLK/CA3 port of the single chip microcomputer, a P2.2 port is connected with a P2.2/CAOUT/TAO/CA4 port of the single chip microcomputer, and a P2.3 port is connected with a P2.3/CAO/TAl port of the single chip microcomputer.

Technical Field

The invention relates to an air environment quality detector, and belongs to the technical field of sensor detection.

Background

Along with the increase of urbanization process, the air quality is continuously deteriorated, and the Chinese atmospheric pollution type is changed from coal-fired pollution to severe composite pollution type with coexistence of industrial emission and multi-type pollution of tail gas emission of coal-fired motor vehicles. The environmental air quality becomes the object of high concern of people, and although people can know the urban air quality information published by the environmental protection bureau air quality real-time publishing platform through the network, people can not know the air quality situation at any time and any place due to the large space limitation. Most of the mobile or handheld air quality detectors sold in the domestic market are singleDetected value of one, and collectively detecting PM2.5, PM10, O₃、SO₂、NO₂And the mobile air quality detectors with the six air quality indexes of CO are almost few. Therefore, it is imperative to develop an ambient air quality detector capable of simultaneously detecting the concentration of six pollutants. The invention develops an air environment quality detector.

Disclosure of Invention

Aiming at the defects, the invention provides an air environment quality detector.

The invention is realized by the following technical scheme: the utility model provides an air environment quality detector, is mainly by sensor group, single chip microcomputer system, keyboard module, liquid crystal display module, light alarm module, data storage module, communication module and host computer constitution, its characterized in that: the sensor group is connected with the single chip microcomputer system, the keyboard module is connected with the single chip microcomputer system, the liquid crystal display module, the light alarm module, the data storage module and the communication module are all connected with the single chip microcomputer system, and the upper computer is connected with the communication module.

In the sensor group, the PM2.5 sensor adopts an optical concentration detection sensor GP2Y1010AU0F, the sampling period of an input signal of the sensor is 10ms +/-1 ms, and the pulse width of an input high level is 0.32ms +/-0.02 ms. The sampling of the signal is started after the input signal has high pulse and lasts for 0.28 ms; the PM10 sensor adopts a dust sensor DSM501 which is a Korean SYHITECH patent product; o is₃The sensor adopts a British import semiconductor sensor MS 2610; SO (SO)₂The sensor selects a 4502-5 gas sensor probe in AERI series products; NO₂The sensor adopts a WSP1110 type semiconductor NO₂A sensor; and the CO sensor adopts an MQ-7 carbon monoxide sensor.

The liquid crystal display module adopts an FM12864-12L dot matrix type liquid crystal display.

The light alarm module adopts LED light alarm, four-level light alarm is selected, the circuit consists of four red LED lamps and resistors, wherein a P2.0 port is connected with a P2.0/ACLK/CA2 port of the single chip microcomputer, a P2.1 port is connected with a P2.1/TAINCLK/CA3 port of the single chip microcomputer, a P2.2 port is connected with a P2.2/CAOUT/TAO/CA4 port of the single chip microcomputer, and a P2.3 port is connected with a P2.3/CAO/TAl port of the single chip microcomputer.

The invention has the advantages that: the air environment quality detector can comprehensively detect the content of six gases in the air, and has the functions of portability, socket connection, alarm, data storage and transmission and the like; has larger sales market and higher use value.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention.

In the figure, the device comprises a sensor group 1, a sensor group 2, a single chip microcomputer system 3, a keyboard module 4, a liquid crystal display module 5, a light alarm module 6, a data storage module 7, a communication module 8 and an upper computer.

Detailed Description

The utility model provides an air environment quality detector, is mainly by sensor group 1, single chip microcomputer system 2, keyboard module 3, liquid crystal display module 4, light alarm module 5, data storage module 6, communication module 7 and host computer 8 constitute, its characterized in that: the sensor group 1 is connected with the single chip microcomputer system 2, the keyboard module 3 is connected with the single chip microcomputer system 2, the liquid crystal display module 4, the light alarm module 5, the data storage module 6 and the communication module 7 are all connected with the single chip microcomputer system 2, and the upper computer 8 is connected with the communication module 7.

The sensor group 1 and the PM2.5 sensors adopt an optical concentration detection sensor GP2Y1010AU0F, the sampling period of input signals of the sensors is 10ms +/-1 ms, and the pulse width of input high level is 0.32ms +/-0.02 ms. The sampling of the signal is started after the input signal has high pulse and lasts for 0.28 ms; the PM10 sensor adopts a dust sensor DSM501 which is a Korean SYHITECH patent product; o is₃The sensor adopts a British import semiconductor sensor MS 2610; SO (SO)₂The sensor selects a 4502-5 gas sensor probe in AERI series products; NO₂The sensor adopts a WSP1110 type semiconductor NO₂A sensor; a CO sensor is arranged on the base plate,

an MQ-7 carbon monoxide sensor is employed.

The liquid crystal display module 4 adopts an FM12864-12L dot matrix liquid crystal display.

The light alarm module 5 adopts LED light alarm, four-level light alarm is selected, the circuit is composed of four red LED lamps and resistors, wherein a P2.0 port is connected with a P2.0/ACLK/CA2 port of the single chip microcomputer, a P2.1 port is connected with a P2.1/TAINCLK/CA3 port of the single chip microcomputer, a P2.2 port is connected with a P2.2/CAOUT/TAO/CA4 port of the single chip microcomputer, and a P2.3 port is connected with a P2.3/CAO/TAl port of the single chip microcomputer.

When the device works, the air of the detected environment enters a sensor group, namely a PM2.5 sensor, a PM10 sensor and O₃Sensor, SO₂Sensor, NO₂The sensor and the CO sensor respectively carry out quantitative detection on the content of each parameter in the detected ambient air, and simultaneously send the detected voltage value to the single-chip microcomputer MSP430F149 through an AD interface of the single-chip microcomputer for AD conversion; the single chip microcomputer analyzes and processes the received data, corresponding parameter content values, AQI values, environmental air quality evaluation and health reminding are displayed on the liquid crystal display screen, and if the detected data exceed a preset alarm value, the light alarm module makes a synchronous response. The user can control functions of single chip microcomputer reset, data storage, communication with an upper computer and the like through the key module.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.