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Design of low-power consumption wireless biosensor network node

A technology of biosensors and network nodes, applied in the design field of low-power wireless biosensor network nodes, can solve problems such as instability of bio-cured films, and achieve the effect of simple peripheral circuits

Inactive Publication Date: 2015-04-29
郭月梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the biocured film is unstable

Method used

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  • Design of low-power consumption wireless biosensor network node
  • Design of low-power consumption wireless biosensor network node
  • Design of low-power consumption wireless biosensor network node

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0029] The present invention is described in detail below in conjunction with accompanying drawing and embodiment

[0030] Firstly, by programming the communication between the microprocessor and DS18B20, the range of temperature detection can be set, and the temperature of the environment where the node is located can be transmitted to the server in real time through the chip for observation and recording.

[0031] Then build the system network. Several designed wireless sensor nodes are placed in different places within a certain range, and the nodes are connected to laboratory PCs (servers) through serial ports to form a small-scale wireless ad hoc network. And finish debugging.

[0032] After setting up the topology nodes, determine the conditions for node testing: the operating voltage is 3.3V, the radio frequency is 2.454GHz, and the RF output power is 1dBm. Record the energy consumption of the node in different working states: when the MCU is active, when the MCU is a...

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PUM

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Abstract

The invention relates to design of a sensor network node, and provides design of a low-power consumption wireless biosensor network node. The wireless biosensor network node is an underlying core for a wireless biosensor network to achieve application functions, and is an undertaker for achieving task management, data acquisition, power consumption management and other functions. The invention provides a design scheme of the low-power consumption wireless biosensor network node. According to the design scheme, a microprocessor module adopts an MSP430 chip, a wireless transceiving module adopts an NRF401 chip and a temperature sensor module DS18B20, a power module uses two dry batteries for supplying power, and a power management chip is a low-power consumption chip TPS60211 in a programmable-control working mode. On an aspect of wireless communication, selfassembly of the wireless biosensor network and automatic convergence of monitoring data are achieved on the basis of a ZigBee technology. The wireless biosensor network node adopting the design scheme has the characteristics of low power consumption and high precision, and has the function of monitoring the ambient temperature around the node in real time.

Description

technical field [0001] The invention belongs to the technical fields of wireless communication, biosensor technology, biomedical technology, and information collection and processing, and particularly refers to the design of a low-power wireless biosensor network node. Background technique [0002] A wireless sensor is a special device that can acquire and process information. Biosensors are instruments that are sensitive to biological substances and convert their concentrations into electrical signals for detection. It is made of immobilized biosensitive materials as recognition elements (including enzymes, antibodies, antigens, microorganisms, cells, tissues, nucleic acids and other biologically active substances) and appropriate physical and chemical transducers (such as oxygen electrodes, photosensitive tubes, field effect tubes, Piezoelectric crystals, etc.) and an analysis tool or system composed of a signal amplification device. Biosensors have the functions of rece...

Claims

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Application Information

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IPC IPC(8): H04W16/18H04W84/18
CPCH04W16/18H04W84/18Y02D30/70
Inventor 郭月梅
Owner 郭月梅