Level switch vibration type
The Level switch vibration type uses piezoelectric components to drive and detect the vibration of the fork body. Driven by piezoelectric ceramics, the tuning fork body vibrates at a certain mechanical resonance frequency. When in contact with the measured liquid, the resonance frequency of the fork body will significantly decrease.
Description
Shandong Aipuxin Automation Instrument Co., Ltd. is one of leading manufacturers and suppliers of level switch vibration type in China, also supports customized service with low price. Please rest assured to wholesale cheap level switch vibration type in stock here from our factory.
Technical Parameter
Product Introduction:
Level switch vibration type can be defined as an electronic device that allows the user to switch between two different audio signals and/or sources in a seamless manner. The main purpose of this device is to provide an efficient way to mix two audio signals without causing any interruption to the output. In this article, we will discuss its basic principles and working principles.
The level switch vibration type is essentially a sound switching device that allows the user to choose between two audio sources. When the device switches to one of its inputs, the signal from that source is passed to the output while the other source is disconnected. This is accomplished using relays that connect the selected source to the output. A relay is an electromechanical switch controlled by an electrical signal, usually generated by a small transistor or comparator.
The device consists of several components such as resistors, capacitors, diodes, transistors, comparators, relays, and switches. The basic circuit diagram consists of input stage, switching stage, output stage and power supply. The input stage consists of two audio input jacks, each connected to a voltage follower. A voltage follower is an electronic circuit that produces an output equal to its input voltage, but with a much lower output impedance. This helps reduce the impact of loading on the audio signal.
The switching stage consists of a comparator IC that generates an output signal proportional to the difference between the two input signals. The comparator output controls the relay driver circuit, which turns the relay on and off. The output of the selected input source is fed to an output stage designed to provide a proper impedance match to the load. The output stage is usually a high-quality audio amplifier that provides gain to the audio signal and then passes it to the audio output jack.
The device's power supply is designed to provide a stable, clean DC voltage to all components of the circuit. It is usually a linear power supply that uses a voltage regulator to maintain a constant output voltage.
The level switch vibration type is based on the principle of piezoelectric crystal vibration. Piezoelectric crystals generate electric charges when subjected to mechanical stress, a phenomenon called the piezoelectric effect. By detecting the change in the vibration frequency of the tuning fork, the circuit part converts this change into a switching signal, thereby realizing the detection and control of the liquid level.
Product Features
product details
Product Application
Installation case
The level switch vibration type is mainly used for liquid level measurement in low-cost, non-explosion-proof, high-temperature environments. It is especially suitable for liquid level measurement in narrow spaces or pipes, and for measuring hot water in heat pump devices. Short 40mm or 100mm prongs minimize insertion length and allow easy installation in pipes or vessels from any angle. It can even be installed on small diameter pipes. By selecting the direct load switching electronics option, this device is ideal for reliable pump control, and the level switch vibrating version can be used to prevent the pump from running dry.
About Packaging
certificate
12 month warranty period; Lifetime maintenance free
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