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Apparatus for realizing low-consumption wireless monitor

A low-power, wireless technology, applied in the direction of data exchange through path configuration, signal transmission systems, instruments, etc., can solve problems such as susceptibility to interference, false alarms, poor anti-interference ability, etc., to enhance anti-interference ability, install Easy to use and strong anti-interference ability

Active Publication Date: 2007-11-21
北京必创科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the on-site wiring construction is complicated, requiring a large number of cables, and the sensor installation is extremely inconvenient; moreover, once the sensors and cables are installed, it is difficult to add or change monitoring points; at the same time, the signals collected by the sensors are analog signals, Not suitable for long-distance transmission, susceptible to interference, affecting measurement accuracy, and generating false alarms
[0005] In order to solve the problem of sensor analog signal transmission, the common improvement method is to increase the signal transmission distance by using optical fiber, bus and other technologies, but this cannot completely save the transmission cable
[0006] With the development of wireless technology, wireless transmission technologies such as Bluetooth, WI-FI, and digital radio are currently used to transmit sensor signals through wireless networks, which effectively saves on-site wiring cables and complex wiring construction processes for cables. But at the same time, due to some shortcomings of wireless transmission technologies such as Bluetooth, WI-FI, and digital radio, such as high power consumption, poor anti-interference ability, small network capacity, poor network scalability, and high cost, it is not suitable for For wireless sensor network applications including large-scale sensors

Method used

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  • Apparatus for realizing low-consumption wireless monitor
  • Apparatus for realizing low-consumption wireless monitor
  • Apparatus for realizing low-consumption wireless monitor

Examples

Experimental program
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Embodiment 1

[0063] FIG. 2 is a schematic structural diagram of a device for implementing low-power wireless monitoring according to Embodiment 1 of the present invention. Referring to Fig. 2, the device includes: a sensor 10, a data conditioning acquisition processing module 11, a wireless communication module 12 and a power supply module 13, wherein,

[0064] The sensor 10 collects on-site information of the monitoring point according to the trigger signal output by the data conditioning acquisition processing module 11, and outputs the collected information to the data conditioning acquisition processing module 11 for processing.

[0065] In practical applications, the sensor 10 can be a vibration acceleration sensor for vibration monitoring of buildings such as mechanical equipment or bridges, such as a micro-electromechanical system (MEMS, Micro Electron Mechanical System) acceleration sensor, or a piezoelectric acceleration sensor, or other types such as electric charge Or a built-in...

Embodiment 2

[0090] In the first embodiment, the conditioning and filtering sub-module 21 includes an integrating sub-module 22, which integrates the conditioning and filtering acceleration value to obtain a velocity value, and further integrates the velocity value to obtain a displacement value. In practical applications, if it is applied in the field of vibration monitoring, an integration sub-module 32 (shown by a dotted line in the figure), such as a software integration algorithm, can also be set in the main processing sub-module 24 . FIG. 3 is a schematic structural diagram of a device for implementing low-power wireless monitoring according to Embodiment 2 of the present invention. Referring to FIG. 3, the difference from FIG. 2 is that the signal collected from the sensor 10 is conditioned and filtered by the conditioning and filtering sub-module 21, and then output to the A / D analog-to-digital converter 240 for analog-to-digital conversion, and the converted signal is digitally fil...

Embodiment 3

[0092] In Embodiment 1 and Embodiment 2, the sensor 10 is a vibration acceleration sensor. In practical applications, the sensor 10 can also be a temperature sensor, strain sensor, displacement sensor and pressure sensor for temperature, strain, displacement or pressure monitoring. FIG. 4 is a schematic structural diagram of a device for implementing low-power wireless monitoring according to Embodiment 3 of the present invention. Referring to Fig. 4, the difference from Fig. 2 and Fig. 3 is that since the sensor 10 is a temperature sensor, a strain sensor, a displacement sensor or a pressure sensor, it is no longer necessary to adjust the filter sub-module 41 and the A / D analog-to-digital converter 240 The integral sub-module 22 between, or the integral sub-module 32 between the digital filter 241 and the numerical calculator 243; meanwhile, the conditioning filter sub-module 41 is also slightly different in structure and function, and is used for regulating temperature, strai...

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Abstract

A device used for realizing radio monitor in low energy consumption mode is prepared as triggering transducer to collect signal by data-processing module according to period preset by itself, calculating value of collected signal and comparing calculated value result with preset alarm value, storing said value result and setting data-processing module to be on dormant state if said value result is less than said alarm value or otherwise triggering up radio communication module to transmit all collected values to central gateway by data-process module then setting data processing module continuously to be on dormant state.

Description

technical field [0001] The invention relates to wireless monitoring technology, in particular to a device for realizing low power consumption wireless monitoring. Background technique [0002] Sensors are widely used in the field of monitoring. By permanently installing sensors online or regular inspections on key parts of mechanical equipment, bridges, buildings, etc., the parameters of monitoring key parts or equipment operating conditions are obtained, and the operating status of key parts or equipment is monitored. Carry out fault diagnosis analysis or alarm. [0003] For the method of monitoring by inspection, it is necessary for monitoring personnel to regularly carry sensors and other monitoring tools, install sensors at multiple monitoring points on site, collect them one by one, and then record the collected information and bring it back for analysis and processing. This method requires monitoring personnel to have certain relevant knowledge; moreover, for on-site ...

Claims

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Application Information

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IPC IPC(8): G08C17/02H04L12/28
Inventor 唐智斌张俊辉
Owner 北京必创科技股份有限公司
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