Wireless sensing network node capable of realizing simultaneous access of digital quantity and analog quantity

Abstract

The invention discloses a wireless sensing network node capable of realizing simultaneous access of digital quantity and analog quantity. The node comprises a sensor module, a data processing module, a short-range wireless communication module, a wireless transceiving module and a power supply module. The sensor module is a sensor group composed of a plurality of sensors, the sensor group communicates with the data processing module via a digital quantity and analog quantity multiplex interface, and the digital quantity and analog quantity multiplex interface comprises a sensor input interface, a signal input channel, an automatic distinguishing module for automatically distinguishing the type of the signal input by the signal input channel, a control module, and a digital signal processing module and an analog signal processing module controlled by the control module according to the distinguishing result of the automatic distinguishing module. The invention has reasonable design, convenient network deployment and maintenance, simple operation, good use effects, and high intelligence degree, and can satisfy actual demands of synchronous processing of analog signals and digital signals and simultaneous accessing of multiple sensor signals of different types.

Description

technical field [0001] The invention relates to a wireless sensor network node, in particular to a wireless sensor network node capable of simultaneously accessing digital quantities and analog quantities. Background technique [0002] At present, data collection is mainly carried out on-site through the data collection system, and then the collected data is manually transmitted to the data processing server for processing through wired or wireless means. This data collection method has poor real-time performance, that is, it cannot be collected or transmitted in real time. , so it cannot meet the actual needs. With the development of information technology such as communication and network, the development and construction based on wireless sensor network makes real-time data collection and real-time transmission possible. However, the construction of sensor networks has not yet entered the practical stage. The reason is that the functions of sensor network nodes cannot me...

AI Technical Summary

Problems solved by technology

However, the construction of sensor networks has not yet entered the practical stage. The reason is that the functions of sensor network nodes cannot meet the requirements, such as limited energy, limited communication capabilities, limited computing and storage capabilities, etc. Among these problems, data Acquisition and processing capabilities have become the bottleneck restricting the development of standardized and ubiquitous sensor network nodes

In terms of data collection, ordinary sensor network nodes can only collect a single data, or can only connect to one analog sensor

In terms of data processing, the sampling and analysis speed of ordinary sensor network nodes is slow, the anti-interference ability in complex environments is not high, and information misinformation is prone to occur

In addition, most of the existing wireless sensor nodes use pure analog input interfaces or pure digital input interfaces, and cannot input analog and digital quantities at the same time, so there are inconveniences in use and operation, and the need to use the same type of sensors, etc. Defects, unable to meet the actual needs of multiple sensors connected at the same time

It is precisely because of the above reasons that the current sensor network nodes cannot effectively complete the real-time information collection task.

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