The component module of the wireless sensor is packaged in a casing, and when it is working, it will be powered by a battery or a vibration generator to form a wireless sensor network node, which is composed of randomly distributed micro nodes integrated with sensors, data processing units and communication modules. The way the organization forms the network.
It can collect the digital signal of the device and transmit it to the wireless gateway of the monitoring center through the wireless sensor network, and directly send it to the computer for analysis and processing. The wireless sensor can also transmit the entire time history signal collected in real time if needed.
The monitoring center can also wirelessly transmit information such as control and parameter settings to the node through the gateway. The data conditioning acquisition processing module passes the weak signal outputted by the sensor to the conditioning circuit after amplification, filtering, etc., and then sends it to the analog-to-digital converter, converts it into a digital signal, and sends it to the main processor for digital signal processing to calculate the effective value of the sensor, and the displacement. Value, etc.
Resistive sensor:
Fabric tension measurement and control principle
Straight slide potentiometer controls cylinder piston stroke
Piezoresistive sensor measures the working principle of the liquid level
MQN type gas sensitive resistor structure and measuring circuit
How the bubble level works
Diffused silicon pressure sensor
Strain acceleration sensor
Weighing level gauge
Electronic belt scale
Electronic crane scale
Load cell is used to measure the principle of truck scale
Principle of liquid tank scale
TiO2 oxygen concentration sensor structure and measuring circuit
Potentiometer sensor
Ceramic humidity sensor
Principle of porous alumina moisture sensitive capacitor
Basic variable gap capacitive sensor and differential variable gap capacitive sensor work principle
Variable area capacitive sensor working principle
Principle of object position detection using proximity switches
Light column shows the principle of coded level gauge
Capacitive pressure sensor
Differential pressure level gauge a
Differential pressure level gauge b
Differential pressure level gauge c
Capacitance level gauge schematic
Capacitance thickness gauge
Capacitive acceleration sensor
Capacitive oil gauge principle
Principle of measuring the flow by frequency difference method
Air conduction type ultrasonic generation, structure of receiver
Two types of ultrasonic applications
Ultrasonic probe structure
Principle of ultrasonic flowmeter
Principle of ultrasonic thickness measurement
Ultrasonic measurement of density principle
Ultrasonic measurement of liquid level principle
Ultrasonic burglar alarm
Longitudinal wave inspection
Transverse wave flaw detection
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