CN205280697U - Portable atmospheric pollutants monitoring devices of high accuracy - Google Patents

The utility model discloses a portable atmospheric pollutants monitoring devices of high accuracy, including AD sampling module, temperature and humidity sensor, GPRS module, RF module and controller, detections of sampling of AD sampling pair of module air contaminant, the controller carries out analysis processes to sample data, communicates through GPRS module and RF module and host computer. The utility model discloses support solar cell, three mains operated of lithium cell and commercial power, adopted the high -speed high accuracy sampling chip of AD7606, had superiority in input protection, filtering processing, sampling channel and sampling algorithm, be furnished with the GPS module, can the place that accurate positioner is put, facilitate device is in the open air searching.

High-accuracy portable atmosphere pollution monitoring device

Technical field

This utility model relates to enviromental monitoring equipment technical field, particularly relates to a kind of high-accuracy portable atmosphere pollution monitoring device.

Background technology

Existing atmosphere pollution monitoring scheme is substantially employing sample circuit and existing atmosphere pollution gas sensor is carried out data acquisition by amplifying circuit, controller is given again through amplifying circuit amplification voltage signal, controller by judging the size of gas concentration to the analysis of voltage signal, function singleness, atmosphere pollution monitoring effect is undesirable.

Utility model content

(1) to solve the technical problem that

The purpose of this utility model seeks to overcome disadvantages mentioned above, it is desirable to provide a kind of high-accuracy portable atmosphere pollution monitoring device.

(2) technical scheme

For reaching above-mentioned purpose, high-accuracy portable atmosphere pollution of the present utility model monitoring device, including power module, for powering for whole monitoring device;

AD sampling module, carries out precise acquisition, and is converted into pollutant digital signal the contaminant information in air;

Temperature Humidity Sensor, for detecting the humiture in air, and is converted into humiture digital signal;

GPRS module and RF module, wherein, described GPRS module and host computer carry out data communication; Described RF module and host computer carry out radio communication;

GPS module, is accurately positioned monitoring device by longitude and latitude;

Memory module, display module and alarm module, described memory module is used for storing pollutant levels value information; Described display module is used for showing every terms of information; Described alarm module is used for sending warning;

Controller, for pollutant digital signal, humiture digital signal being carried out numerical analysis, and carry out interactive communication by GPRS module and RF module with host computer, meanwhile, passes through poke, display and/or warning to the result of numerical analysis.

Described power module includes solaode, lithium battery and the adapter directly powered for monitoring device, and described solaode and adapter can be all lithium cell charging.

Described AD sampling module is connected to CO sensor, NO sensor, NO₂Sensor, O₃Sensor, SO₂Sensor and PM2.5 sensor, for gathering the air pollutants information of correspondence.

Also disclose a kind of atmosphere pollution monitoring method, comprise the steps,

Power module is powered, and when indoor power supply is met and had a power failure, informs host computer outage information by GPRS and RF module;

AD sampling module gathers contaminant information, and is converted into digital signal and passes to controller;

Humiture information is transferred to controller by Temperature Humidity Sensor;

GPS module provides positional information for controller;

The contaminant information collected and humiture information and positional information are carried out storing and showing by controller, if current contamination substrate concentration exceedes preset value, start alarm module;

Wherein alarm module is by GPRS and/or RF module transmission warning message;

Controller is intercomed with host computer mutually by GPRS and/or RF module, and host computer can arrange the preset value of pollutant levels.

Further, described AD sampling module is AD7606 sampling with high precision chip.

(3) beneficial effect

Compared with prior art, the technical solution of the utility model has the advantage that 1, supports that solaode, lithium battery and civil power three power supply are powered; 2, have employed AD7606 high-speed, high precision sampling A/D chip, have superiority in input protection, Filtering Processing, sampling channel and sampling algorithm; 3, can detect that the various air pollutants concentration index of harmful gas: such as ozone and PM2.5; 4, the multiple means storage data of GPRS, RF, TF card; 5, be furnished with GPS module, can the put place of accurate location device, facilitate device to find out of doors.

Accompanying drawing explanation

Fig. 1 is high-accuracy portable atmosphere pollution of the present utility model monitoring schematic diagram of device;

Fig. 2 is this utility model high-accuracy portable atmosphere pollution monitoring device monitoring method flow diagram.

Detailed description of the invention

Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail. Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.

As it is shown in figure 1, high-accuracy portable atmosphere pollution of the present utility model monitoring device, including power module, for powering for whole monitoring device;

AD sampling module, carries out precise acquisition, and is converted into pollutant digital signal the contaminant information in air, and this signal delivers to controller, and controller is calculated, and draws concrete numerical value;

Temperature Humidity Sensor, for detecting the humiture in air, and is converted into humiture digital signal, and this signal delivers to controller, and controller is calculated, and draws concrete numerical value;

GPRS module and RF module (radio-frequency communication module), wherein, described GPRS module and host computer carry out data communication, it is provided that fault upload and SMS alarm service;

Described RF module and host computer carry out radio communication; GPRS module and RF module cooperate, and when multiple spot is expanded, closely can be communicated with one another by RF, can pass through GPRS communication and be uploaded to host computer at a distance.

GPS module, is accurately positioned monitoring device by longitude and latitude;

Memory module, display module and alarm module, described memory module is used for storing pollutant levels value information; Described display module is used for showing every terms of information; Described alarm module is used for sending warning; Monitoring information can be stored by memory module, as stored to RAM (random access memory) card, forms dual fail-safe with GPRS module and RF module, it is prevented that information loss.

Controller, for pollutant digital signal, humiture digital signal being carried out numerical analysis, and carry out interactive communication by GPRS module and RF module with host computer, meanwhile, passes through poke, display and/or warning to the result of numerical analysis.

Described power module includes solaode, lithium battery and the adapter directly powered for monitoring device, and described solaode and adapter can be all lithium cell charging.

Described AD sampling module is connected to CO sensor, NO sensor, NO₂Sensor, O₃Sensor, SO₂Sensor and PM2.5 sensor, for gathering the air pollutants information of correspondence, the difference according to pollutant levels, sensor is also different to the signal intensity of AD sampling module, when concentration value exceedes controller preset value, controller starts alarm module, triggers corresponding warning device.

Fig. 2 is the flow chart of this utility model atmosphere pollution monitoring method, comprises the steps,

Power module is powered, and when indoor power supply is met and had a power failure, informs host computer outage information by GPRS and RF module;

AD sampling module gathers contaminant information, and is converted into digital signal and passes to controller;

Humiture information is transferred to controller by Temperature Humidity Sensor;

GPS module provides positional information for controller;

The contaminant information collected and humiture information and positional information are carried out storing and showing by controller, if current contamination substrate concentration exceedes preset value, start alarm module;

Wherein alarm module is by GPRS and/or RF module transmission warning message;

Controller is intercomed with host computer mutually by GPRS and/or RF module, and host computer can arrange the preset value of pollutant levels.

In sum, above-mentioned embodiment is not restricted embodiment of the present utility model, modification that all those skilled in the art carry out on the basis of flesh and blood of the present utility model or equivalent deformation, all at technology category of the present utility model.