Embedded self-energy supply wireless monitoring device of rotor equipment

Abstract

The invention discloses an embedded self-energy supply wireless monitoring device of rotor equipment, comprising a piezoelectric module, wherein the piezoelectric module is connected with a recovery control circuit, and the recovery control circuit is connected with a wireless module. The device is installed in a foundation with obvious vibration characteristics of the rotor equipment; when the rotor equipment operates, periodic pressure is generated to act on the piezoelectric module; and the periodic pressure is converted into a single-polarity semi-wave vibration signal by the recovery control circuit to carry out A / D acquisition and is sent by the wireless module. According to the embedded self-energy supply wireless monitoring device, vibration energy generated in the operation process can be recovered, and can be used for driving the wireless monitoring device to work, and power supply, additional monitoring sensors and conditioning equipment are not required. The embedded self-energy supply wireless monitoring device has the functions of abnormal state monitoring and vibration energy collecting, is convenient to maintain and is free from maintaining and has low cost.

Description

technical field [0001] The invention relates to the technical field of rotor equipment state monitoring, in particular to an embedded self-powered wireless monitoring device for rotor equipment. Background technique [0002] The condition monitoring device of the rotor equipment is very important for the rotor equipment. The abnormal condition of the rotor equipment can be monitored through the condition monitoring device to ensure its good operation, reduce the accident rate, and greatly reduce the loss. However, the current common rotor equipment condition monitoring devices monitor the vibration of the rotor through the acceleration sensor installed on the shaft seat or the eddy current sensor installed at the paraxial position, and monitor its operating status through the data acquisition and analysis system. There are generally the following deficiencies: (1) installation is very inconvenient, and in some cases the installation of monitoring equipment may even affect th...

AI Technical Summary

Problems solved by technology

However, the current common rotor equipment condition monitoring devices monitor the vibration of the rotor through the acceleration sensor installed on the shaft seat or the eddy current sensor installed at the paraxial position, and monitor its operating status through the data acquisition and analysis system. There are generally the following deficiencies: (1) installation is very inconvenient, and in some cases the installation of monitoring equipment may even affect the normal operation of the equipment, and the installation requirements of monitoring sensors such as acceleration sensors and eddy current sensors are very strict and difficult; (2) monitoring The equipment needs a special power supply, and when the equipment is in good condition, it consumes a lot of unnecessary energy; (3) The signal obtained by the monitoring sensor requires special equipment to be adjusted, calculated and analyzed to obtain the abnormality of the rotor equipment Vibration information, the process is complicated; (4) It is necessary to regularly maintain the monitoring sensors and conditioning and analysis equipment, and the cost is high

Images