CN202583242U

CN202583242U - Triaxial acceleration transducer node module with positioning function

Info

Publication number: CN202583242U
Application number: CN 201220251077
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: 2012-05-29
Filing date: 2012-05-29
Publication date: 2012-12-05
Anticipated expiration: 2022-05-29

Abstract

The utility model relates to a triaxial acceleration transducer node module with a positioning function, which can be used for digitally outputting accelerations in three directions, and can be used for car brake and start detection, vibration testing of machines, roads and bridges as well as alarm systems in a precise spatial position and the like. The node module comprises an ATmega8L controller (1), an acceleration detecting acquisition circuit (2), a GPS (Global Positioning System) positioning module (3), a communication interface connector (4) and a power supply circuit (5). A triaxial acceleration transducer, the GPS positioning module and a single chip microcomputer are utilized to realize the measurement of the triaxial acceleration, and the node module has the characteristics of simple structure, low cost, easiness in popularization and the like.

Description

The 3-axis acceleration sensor node module that has positioning function

Technical field

The utility model relates to a kind of 3-axis acceleration sensor node module that has positioning function; Adopt 8 8-digit microcontrollers, 3-axis acceleration sensor and GPS locating module to realize the acceleration numeral output of three directions specifically, can be used for the many aspects such as automobile brake detection starting, machinery, road and bridge vibration-testing and warning system under the accurate locus.

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, 3-axis acceleration sensor 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 3-axis acceleration sensor node module that has positioning function, have controller, and also comprise the acceleration 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 acceleration detection Acquisition Circuit links to each other through simulation twin wire universal serial bus I2C communication interface with controller, realizes the collection and the output of data.

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 acceleration 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 3-axis acceleration sensor node module that has positioning function of the utility model; Adopt 3-axis acceleration sensor, GPS locating module and 8 8-digit microcontrollers to realize the acceleration numeral output of three directions, for use in the many aspects such as automobile brake detection starting, machinery, road and bridge vibration-testing and warning system under the accurate locus.

As shown in Figure 1, the 3-axis acceleration sensor node module that has positioning function of the utility model has controller (1), also comprises the acceleration 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, acceleration detection Acquisition Circuit.

As shown in Figure 2, the acceleration detection Acquisition Circuit is carried out the collection and numeral output of 3-axis acceleration through simulation twin wire universal serial bus I2C communication interface.

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 3-axis acceleration sensor 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 3-axis acceleration sensor 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, BL8530-3.3V 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 3-axis acceleration sensor node module that has positioning function has controller (1), it is characterized in that, also comprises the acceleration 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 3-axis acceleration sensor node module that has positioning function according to claim 1; It is characterized in that: described acceleration detection Acquisition Circuit (2) links to each other through simulation twin wire universal serial bus I2C communication interface with controller (1), realizes the collection of data.

3. the 3-axis acceleration sensor 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 3-axis acceleration sensor 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.