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Details

Sealing material:Auto Parts Sensor 7700413763 Oil Pressure Sensor

Pressure environment:ordinary pressure

Temperature environment:one

Optional accessories:Pressure Sensor

Type of drive:power-driven

Applicable medium:petroleum products

Points for attention

An oil pressure sensor is a device used to detect the pressure of oil in a hydraulic system and convert the pressure signal into an electrical signal for output. It is widely applied in pressure monitoring and control in fields such as construction machinery, industrial equipment, and automobiles
I. Basic Definitions and Core Functions

Definition: A measuring element that senses changes in oil pressure through sensitive components and converts pressure values into voltage, current or digital signals by means of physical or electrical effects is regarded as the “pressure-sensing nerve” of the hydraulic system.
Core function:
Real-time monitoring: Display system pressure (such as the outlet pressure of the hydraulic pump, the working pressure of the oil cylinder);
Signal feedback: Provide pressure data for the control system (such as PLC, ECU, etc.) to achieve pressure closed-loop control;
Safety warning: When the pressure exceeds the threshold, an alarm (such as indicator lights, buzzers) will be triggered or the machine will automatically shut down.

Ii. Working Principle and Structural Composition
1. Core working principle
Based on the Pressure Resistance Effect (Piezoelectric Effect), mechanical pressure signals are converted into electrical signals through the deformation or charge change of the pressure-sensitive element. The specific process is as follows:

The oil pressure acts on the sensitive elements (such as diaphragms and strain gauges), causing them to undergo slight deformations.
Deformation causes changes in the resistance value, capacitance value or charge of the sensitive element;
The signal conditioning circuit (amplification, filtering) converts weak signals into standard electrical signals (such as 4-20mA current, 0-5V voltage) for output.

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