In the highly developed modern industry, the development of modern testing technology towards digitalization and informatization has become an inevitable development trend, and the front end of the test system is a sensor. It is the soul of the entire test system.It is the rapid development of IC technology and computer technology in recent years, providing a good and reliable scientific and technological foundation for the development of sensors.The development of the sensor is good, and digital, multi -function and intelligence are important features of the development of modern sensors.
Vibration sensor structure
The electric sensor is based on the principle of electromagnetic induction, that is, when the conductor of the motion cuts the magnetic force line in a fixed magnetic field, the two ends of the conductor will feel the electromotive force. Therefore, the sensor produced by this principle is called an electric sensor.The relative electric sensor is a displacement sensor from the principle of mechanical receiving. Since the electromagnetic induction law is applied in the electrical transformation principle, the electric potential generated by it is proportional to the measured vibration speed, so it is actually a speed sensor.
Vibration sensor type
1. Relative electric sensor Relators Electric sensor is a displacement sensor from the principle of mechanical receiving. Because the electromagnetic sensing electrical law is applied in the principle of electromechanical transformation, the electricity generated is proportional to the vibration speed of the measured vibration, so soIt is actually a speed sensor.2. Electric vortex sensor Electric vortex sensor is a relatively non -contact sensor. It measures the vibration displacement or amplitude of the object through the distance changes between the sensor end and the measured object.3. The inductive sensor inductor sensor can convert the changes in the measured mechanical vibration parameters into changes in the electrical ginseng signal.Therefore, there are two forms of inductive sensors. One is the variable gap, and the other is the variable -conducting magnetic area.
Vibration sensor verification
Under normal circumstances, the sensitivity, frequency characteristics and linear range of the sensor are only verified.The verification of the vibration sensor is generally performed on a standard vibration platform or a shock platform.At present, the method of sensor verification is the main method of standardization, comparative law calibration, random law calibration, interconnected law calibration, and gravity law.In order to maintain the accuracy and security of measurement data at all times, we should check the vibration sensor regularly.In the process of verification, we must pay attention to the verification of the vibration sensor is to check whether the instrument meets the standard indicators to see how much is the difference from the standard value.of.There are many indicators of the vibration sensor that can be checked. National standards or local standards depends on the authority of testing to determine which standard to choose as a reference.
Vibration sensor price
Vibration sensor principle
Vibration sensor is currently widely used alarm detection sensor. It feels the parameters of mechanical motion vibration (such as vibration speed, frequency, acceleration, etc.) and convert to available output signals through the internal voltage ceramics with spring heavy hammer structure.After LM358 and other transportation, large and output control signals.Because the vibration sensor is also a type of electromechanical conversion device, it is sometimes called converter, picker, etc.The vibration sensor is one of the key components in the test technology. It has the advantages of low cost, high sensitivity, stable work, and large scope of vibration detection.Eighty vehicle alarms use this type of sensor.

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