Presumably, you are not familiar with the word what is the principle of vibration sensor, and you don't know what its general meaning is. Now let's find out. What does the vibration sensor do? There are the following points to note: when we were in college, teachers often talked about the principle of vibration sensors. Now it's just in use. Share it with everyone! What does the principle of vibration sensor mean? Worth learning! The vibration sensor mainly monitors the vibration of rotating machinery. Each kind of equipment has its own vibration standard, which exceeds the vibration value, indicating that the machine is out of order, so the vibration sensor plays a role in protecting vibration. Vibration sensors are divided into magnetoelectric sensors and piezoelectric sensors. Magnetoelectric sensor has simple structure and low price, but its accuracy is poor. Piezoelectric sensor is commonly used now, which has high measurement accuracy. The vibration sensor first senses the vibration acceleration, then obtains the velocity through integration, and then obtains the displacement through secondary integration, but the acceleration and displacement will be affected by the frequency. At the same time, the national vibration standard is called vibration intensity, which is the effective value of vibration speed, so the vibration speed is usually monitored. I specialize in vibration. If you have any questions, please feel free to communicate. The following are the working principles and uses of these vibration sensors. 1. Eddy current vibration sensor Eddy current vibration sensor is a kind of vibration sensor based on eddy current effect and belongs to non-contact sensor. Eddy current vibration sensor measures the vibration parameters of the object through the change of the distance between the sensor end and the measured object. Eddy current vibration sensor is mainly used to measure vibration displacement. 2. Inductive vibration sensor Inductive vibration sensor is a kind of vibration sensor designed according to the principle of electromagnetic induction. Inductive vibration sensor is equipped with magnet and magnetic conductor, which can convert mechanical vibration parameters into electrical parameters when measuring object vibration. Inductive vibration sensor can be used to measure parameters such as vibration speed and acceleration. 3. Capacitive vibration sensor Capacitive vibration sensor obtains variable capacitance by changing the gap or common area, and then obtains mechanical vibration parameters by measuring the capacitance. Capacitive vibration sensors are divided into two types: variable gap type and variable common area type. The former can be used to measure linear vibration displacement, and the latter can be used to measure angular displacement of torsional vibration. 4. Piezoelectric vibration sensor Piezoelectric vibration sensor uses the piezoelectric effect of crystal to measure vibration. When the vibration of the measured object forms pressure on the piezoelectric vibration sensor, the crystal element will generate corresponding charges, which can be converted into vibration parameters. Piezoelectric vibration sensors can also be divided into piezoelectric acceleration sensors, piezoelectric force sensors and impedance heads. 5. Resistance strain vibration sensor The resistance strain vibration sensor is a kind of vibration sensor which uses the change of resistance to represent the mechanical vibration of the measured object. There are many ways to realize the resistance strain vibration sensor, and many kinds of sensing elements can be applied, among which the resistance strain gauge is the most common one. Principle of vibration sensor, how much acceleration can it bear? The system uses high-quality laser probe ZLDS 100 for non-contact measurement, records the motion trajectory of the measured object during vibration, and subtracts the minimum value from the maximum value to get the amplitude. When the amplitude exceeds the specified value, the alarm signal can be set by software. The sampling frequency is high, which can accurately restore the motion trajectory of the measured object. Various filters are used to make the measurement results more stable. It is widely used, for example, it can be used in building engineering to monitor the vibration of buildings in real time and ensure the construction safety; Monitor vibration in real time, reflect the working state of equipment in time, and realize alarm output. ◆ Ultra-high resolution, up to 0.05um；; ◆ High response frequency, 9400Hz；; ◆ Connect the production system and reflect the equipment status in time; ◆ Accurately restore the vibration trajectory and obtain the peak value; ◆ Comprehensive detection, which can control multiple measuring points to detect at the same time and comprehensively process data, and can connect 127 measuring points at most; ◆ The test data can be accessed into the enterprise intranet, such as ERP；; ◆ High-quality laser displacement probe ZLDS 100, suitable for surfaces of various materials; ◆ Deviation alarm can be realized according to special requirements; ◆ The system is mature and stable, and the software algorithm has high reliability and high availability; ◆ Mechanical positioning is firm and accurate, and non-contact measurement has no damage; High efficiency, solving the measurement mode that cannot be realized manually, and improving the production quality; The above are some sharing of the principle of vibration sensor. Are you clear? Typing is not easy. This is also some common sense that my physics teacher said when I was studying before. Now I want to share it with you. I hope everyone will read it carefully and understand it next time! Dear recognition is my greatest motivation!