MULTI-CHANNEL WIRELESS VIBRATION MEASUREMENT SYSTEM

Abstract

The invention relates to a vibration measurement system in the field of Natural Sciences / Engineering that enables multi-channel vibration testing of engineering structures under artificially created and / or environmental vibrations using high-precision sensors. The invention can be used in many fields, from civil engineering to mechanical and industrial engineering, for structural vibration monitoring and damage detection. With its various measurement accuracies, temperature monitoring during measurement, and the ability to receive simultaneous data from multiple channels via wireless data transmission, the invention has many advantages over existing systems and has widespread potential for use. For example, it can be used in civil engineering to monitor the dynamic behavior of high-rise buildings according to the new earthquake regulations, to determine the material properties of structures accurately and reliably, and in mechanical engineering for damage detection using predictive approaches, etc. Furthermore, it can be used by companies working on structural vibrations (construction, machinery, etc.), academics, and large construction companies (in smart building applications, etc.).It can be used by practitioners who perform vibration measurements in structural health monitoring, as well as by institutions and organizations (municipalities, General Directorate of Highways, State Hydraulic Works, General Directorate of Foundations, Disaster and Emergency Management Presidency, etc.) that need structural vibration, hardware and software. The invention (Figure 1 / 2) is a mobile measurement system consisting of a High Precision Accelerometer (accelerometer module)(1), Microcontroller (Arduino Nano module)(2), Bluetooth (HC-05 module)(3), Li-ion Battery Charge Control Circuit (Charging module)(4), and Li-ion Battery (Battery module)(5). The three-axis accelerometer module (1) enables the reception of signals coming through the structural element. Arduino-Bluetooth modules are used to transmit the signals. The power requirements of the system are provided by the battery and charging circuit.

Claims

8 REQUESTS 1. Engineering under artificially induced and / or environmental vibrations. High-precision and multi-channel vibration testing of structures It is a multi-channel wireless vibration measurement system that enables its implementation, 5 feature; - On the xyz axes, which enable the reception of vibration signals from structures. to a 20-bit analog-to-digital converter (ADC) capable of reading data, high sensitivity (adjustable sensitivity), at high sampling frequencies To receive data, the architecture must support I2C / SPI protocols, low-high 10 It has digital filters that transmit mains noise and electromagnetic interference. Digital accelerometer, minimally affected by noise. - From the high-precision three-axis digital output accelerometer module (1) It enables the collection of vibration data and complete control of the system. microcontroller, 15 - The number of channels that enable the system to communicate wirelessly with the computer. allowing for unrestricted access to the capacity of the device to which the data will be transferred. Bluetooth allows the addition of any desired number of channels. module, - Li-ion Battery Charge Controller 20 used to charge the battery in the system. Its circuit, - It includes a Li-ion battery that provides power to the system. It is characteristic. 30

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