CN202583106U

CN202583106U - Carbon monoxide sensor node module with positioning function

Info

Publication number: CN202583106U
Application number: CN 201220254215
Authority: CN
Inventors: 吴兴利; 田立国; 李猛; 陈志亮
Original assignee: Tianjin University of Technology
Current assignee: Tianjin University of Technology
Priority date: 2012-05-31
Filing date: 2012-05-31
Publication date: 2012-12-05
Anticipated expiration: 2022-05-31

Abstract

The utility model relates to a carbon monoxide sensor node module with a positioning function. The carbon monoxide sensor node module with the positioning function is used for detecting and acquiring the concentration of carbon monoxide in a surrounding environment of a precise spatial location and can be applied to a device for detecting carbon monoxide leakage in households and factories, thereby avoiding the occurrence of hazards. The node module comprises a controller ATmega8L (1), a carbon monoxide detection and acquisition circuit (2), a GPS (Globe Positioning System) positioning module (3), a communication interface connector (4) and a power supply circuit (5). According to the carbon monoxide sensor node module with the positioning function, the detection and acquisition of the concentration of the carbon monoxide in the surrounding environment of the precise spatial location are realized by using a carbon monoxide sensor, the GPS positioning module and a singlechip. The carbon monoxide sensor node module has the characteristics of simple structure, low cost, easiness in popularization, and the like.

Description

The carbon monoxide transducer node module that has positioning function

Technical field

The utility model relates to a kind of carbon monoxide transducer node module that has positioning function; Adopt 8 8-digit microcontrollers, carbon monoxide transducer and GPS locating module to detect and gather the carbonomonoxide concentration in the surrounding environment under the accurate locus specifically; Be applied to carbon monoxide leakage detector in family, the factory with this, avoid the generation that endangers.

Background technology

Along with the widespread use of information acquisition and intelligence computation technology rapid development and internet and mobile radio communication, technology of Internet of things has obtained application in fields such as industry, agricultural, service sector, environmental protection, traffic.Sensor technology is the basis of Internet of Things; Internet of Things will rely on sensor as data input pin; Through various sensor acquisition or obtain natural various physical quantity, chemistry amount, biomass etc., thereby raising realizes intelligentized decision-making and control to intramundane perception.

The english abbreviation of range-finding navigation/GPS (Navigation Satellite Timing And Ranging/Global Positioning System) was called for short " GPS " when GPS (Global Positioning System) was the satellite survey.This system is to be the radio-navigation positioning system on basis with the satellite; Have navigation, location and the function regularly of totipotency (land, ocean, aerospace), global, round-the-clock, continuity and real-time, can be provided accurate three-dimensional coordinate, speed and the time for all types of user.GPS equipment can provide spatial positional information accurately, and GPS technology is combined with sensor technology, technology of Internet of things, when obtaining the information of same that sensor exports, obtains spatial positional information synchronously, thereby helps the popularization of technology of Internet of things.

Wireless sensor network technology is as a gordian technique in the Internet of Things; The information of various environment or monitoring target in monitoring in real time synergistically, perception and the collection network overlay area; And it is handled; Information after the processing is sent through wireless mode, and sends the observer to the network mode of organizing multi-hop certainly.A kind of as in the wireless sensor network technology of ZigBee technology has characteristics such as cost is low, low in energy consumption, network capacity is big, data transmission is reliable, is of wide application.

Summary of the invention

The utility model technical matters to be solved is, a kind of with low cost, simple in structure, carbon monoxide transducer node module that has positioning function of being easy to promote is provided.

The technical scheme that the utility model adopted is: a kind of carbon monoxide transducer node module that has positioning function, have controller, and also comprise the Carbon Monoxide Detection Acquisition Circuit that links to each other with controller; The GPS locating module that is used to provide accurate locus that links to each other with controller; The communication interface connector that is used to carry out data transmission and function expansion that links to each other with controller.

Described Carbon Monoxide Detection Acquisition Circuit links to each other with an ADC interface of controller, is used for the variation of air carbon monoxide gas concentration and the change in voltage that causes, thereby measures the concentration of CO gas.

Described GPS locating module links to each other with the I/O mouth of controller, adopts the simulative serial port sequential to receive the coordinate information of GPS locating module output.

Described communication interface connector links to each other with the I/O mouth with the serial ports of controller, and the transmission that is used for data perhaps links to each other with the ZigBee gusset plate and carries out function expansion, forms a node in the wireless sensor network.

Description of drawings

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

Fig. 2 is the utility model Carbon Monoxide Detection Acquisition Circuit schematic diagram;

Fig. 3 is the utility model GPS locating module circuit theory diagrams;

Fig. 4 is the utility model 50 pin communication interface connector schematic diagrams;

Fig. 5 is the power circuit principle figure of the utility model.

Embodiment

Below in conjunction with accompanying drawing and instance the utility model is described further.

The carbon monoxide transducer node module that has positioning function of the utility model; Adopt carbon monoxide transducer, GPS locating module and 8 8-digit microcontrollers to detect and gather carbon monoxide gas concentration in the ambient air under the accurate locus; Can be applicable to carbon monoxide leakage detector in family, the factory, avoid the generation that endangers with this.

As shown in Figure 1, the carbon monoxide transducer node module that has positioning function of the utility model has controller (1), also comprises the Carbon Monoxide Detection Acquisition Circuit (2) that links to each other with controller; The GPS locating module (3) that is used to provide accurate locus that links to each other with controller; The communication interface connector (4) that is used for data transmission and function expansion that links to each other with controller; The power circuit that is used to provide power supply (5) that links to each other with controller, Carbon Monoxide Detection Acquisition Circuit.

As shown in Figure 2; The Carbon Monoxide Detection Acquisition Circuit is made up of MQ-7 carbon monoxide transducer and amplifying circuit; Amplifying circuit is made up of low consumed power operational amplifier TLC271; The voltage of sensor output amplifies the back through amplifying circuit and links to each other with an ADC interface of MCU controller, thereby draws corresponding carbon monoxide gas concentration through the measuring voltage variation.

As shown in Figure 3, the GPS locating module adopts global positioning satellite receiving chip Gstar series GS-89 to form, and is continuous through the I/O mouth of controller, adopts the simulative serial port sequential to accomplish the reception of gps coordinate information.

As shown in Figure 4; The carbon monoxide transducer node module that has positioning function of the utility model has the communication interface connector of 50 pins; Link to each other with the I/O mouth with the serial ports of controller; Be used for the transmission or the continuous function expansion of carrying out of ZigBee gusset plate of data, form a node in the wireless sensor network.

As shown in Figure 5; The carbon monoxide transducer node module that has positioning function of the utility model is owing to adopt battery or externally fed dual mode that power supply is provided; So switch through switch, BL8530-5V boosts and carries out power supply when chip is used for powered battery and boost; AMS1117-3.3V lowering and stabilizing blood pressure chip carries out the step-down and the voltage stabilizing of power supply when being used for externally fed.

Claims

1. a carbon monoxide transducer node module that has positioning function has controller (1), it is characterized in that, also comprises the Carbon Monoxide Detection Acquisition Circuit (2) that links to each other with controller (1); The GPS locating module (3) that links to each other with controller (1); The communication interface connector (4) that links to each other with controller (1).

2. the carbon monoxide transducer node module that has positioning function according to claim 1; It is characterized in that: described Carbon Monoxide Detection Acquisition Circuit (2) links to each other with an ADC interface of controller (1), is used for measuring carbon monoxide transducer and changes the change in voltage that causes owing to the air carbon monoxide gas concentration.

3. the carbon monoxide transducer node module that has positioning function according to claim 1; It is characterized in that: described GPS locating module (3) links to each other with the I/O mouth of controller (1), adopts the simulative serial port sequential to receive the coordinate information of GPS locating module output.

4. the carbon monoxide transducer node module that has positioning function according to claim 1 is characterized in that: described communication interface connector (4) links to each other with the I/O mouth with the serial ports of controller (1), is used for the transmission and the function expansion of data.