A Linear Wire Displacement Sensor, also known as a cable displacement sensor or capacitive wire displacement sensor, is a device used to measure the distance or position change of an object in a linear direction. Its structure typically includes a sensor head, wire (cable), spring, encoder, and connecting cable. The absolute Linear Wire Displacement Sensor is a specific type, through which we will introduce. 

Working Principle

In a Linear Wire Displacement Sensor, the wire is wound on a drum connected to an encoder. When the wire is pulled out or retracted, the drum rotates. For example, as illustrated, pulling the wire causes the drum to turn, which simultaneously drives the encoder to rotate. Essentially, one rotation of the internal drum corresponds to one encoder value, allowing the encoder to calculate the length of the extended wire based on the rotation angle. This principle is commonly used for high precision and long-distance measurement.

Features of Linear Wire Displacement Sensors

High Measurement Precision: Compared to traditional sensors, the Briterencoder Linear Wire Displacement Sensor offers higher precision, with absolute accuracy reaching ±0.1% and repeatability accuracy reaching ±0.01%. This is due to its self-developed high-precision absolute encoder, certified by the national patent office and holding various patents, combined with precise wiring within the wire box and multiple designs aimed at prolonging lifespan.

Easy Installation: With a relatively simple structure, the installation process is straightforward. The Briterencoder Linear Wire Displacement Sensor features multiple mounting holes on the sensor housing, along with optional dedicated brackets, allowing for quick installation in any location.

Wide Application Range: It can be used for linear displacement measurement and speed measurement in various environments and scenarios. The Briterencoder Linear Wire Displacement Sensor can measure both length and the speed during extension, serving dual purposes. It is widely used in various fields, such as AGC forklifts, cranes, gate openings, automation equipment, etc.

Simple Debugging: The Briterencoder Linear Wire Displacement Sensor is equipped with upper computer software (RS485, RS232, CAN), allowing quick parameter modifications—such as baud rate, pull-out direction, and address ID—via computer, facilitating fast debugging.

Multiple Protection Levels: In addition to regular models, the Linear Wire Displacement Sensor also includes IP68 waterproof models and EX intrinsically safe explosion-proof models, all tested by nationally recognized testing institutions, ensuring usage in various harsh conditions, and capable of safe operation in extreme temperature environments (-40°C to 85°C).

Application Fields

Due to its unique advantages, the Linear Wire Displacement Sensor is widely applied in various fields, including but not limited to:

  • Automation Industry: Used for monitoring and controlling linear displacement of various mechanical parts in machinery manufacturing, material processing, automotive manufacturing, etc.
  • Construction and Water Conservancy Industries: For measuring lift and lowering of bridges and buildings, monitoring gate switches, and water level fluctuations.
  • Engineering Field: For measuring the extension length of container front cranes, elevation and descent heights of AGC forklift platforms, etc.
  • Agricultural Automation: In agricultural machinery (such as harvesters and seeders), the Linear Wire Displacement Sensor can be used for position control and operational precision monitoring, improving agricultural productivity and quality.
  • Scientific Research and Experiments: Used in university laboratories for displacement calculations in device designs.
  • Medical Equipment: In medical devices, the Linear Wire Displacement Sensor can monitor and control the displacement in surgical robots and adjustable hospital beds, ensuring precision and safety in medical processes.
  • Construction and Civil Engineering: To monitor displacement and deformation of large structures (such as bridges, towers, dams), providing critical data for structural safety assessments and maintenance.
  • Vehicles and Traffic: In the vehicle and transportation sector, the Linear Wire Displacement Sensor can monitor displacement in car suspension systems, brake systems, and railway tracks, enhancing travel safety and comfort.
  • Robotics: In robotics technology, the Linear Wire Displacement Sensor can be used for position feedback of a robot’s joints or end-effectors, facilitating precise position control and motion planning for robots.

For more information or to make a purchase, please visit our official website at https://briterencoder.com/.Choose Briterencoder and experience the excellence of high-precision measurement!

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