Wireless Sensor Device with Self-Powered Pulse Wire Module
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Solution Overview
Problem
Existing sensor devices and fluid flow rate measuring assemblies require a wired data connection for reading out sensed parameters, making them difficult and costly to install at inaccessible locations, as they need a permanent cable connection or easy access for data transfer.
Innovation Solution
A sensor device with a wireless data interface connected to an evaluation unit, powered by an energy generator using a pulse wire module and excitation magnetic field, allowing for energy self-sufficiency and wireless communication, eliminating the need for external energy or cable connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wired data connection is used for reading out sensed parameters, then data transmission reliability is improved, but installation complexity and cost increase due to permanent cable connections or accessibility requirements
Solution Approach 1:
The patent replaces the mechanical cable connection system with a wireless communication system. The sensor device uses wireless communication means to transmit measured values externally, eliminating the need for permanent cable connections and reducing installation complexity while maintaining data transmission reliability.
2Use of energy by moving object
If wired connections are required for power supply and data transmission, then energy supply stability is improved, but adaptability to difficult-to-access locations deteriorates
Solution Approach 1:
The sensor device incorporates an energy generator that converts ambient kinetic energy into electrical energy, enabling the device to power itself autonomously. This self-service energy supply eliminates dependency on external power sources and wired connections, significantly improving adaptability to difficult-to-access locations while maintaining operational stability.
3Reliability
If permanent cable connections are installed for data transmission, then communication reliability is improved, but installation cost and time increase
Solution Approach 1:
The patent replaces the mechanical cable installation system with a wireless communication system. The wireless communication means transmit measured values without requiring physical cable connections, dramatically reducing installation cost and time while maintaining communication reliability through wireless data transmission protocols.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables cost-effective installation at difficult-to-access locations by providing a wireless data transfer mechanism that operates independently of external power, ensuring reliable and efficient data transmission without the need for physical connections.
Implementation Method 1
an excitation magnet (20) for generating an alternating excitation magnetic field, an energy generator (22) having a pulse wire module (24) in which electric energy pulses can be generated via the alternating excitation magnetic field
Data Source
AI summary
A sensor device includes an excitation magnet which generates an alternating excitation magnetic field, an energy generator having a pulse wire module in which electric energy pulses are generatable via the alternating excitation magnetic field, at least one sensor element which senses a physical variable and which provides a sensor signal, an evaluation unit which evaluates the sensor signal, and a wireless data interface which is connected to the evaluation unit via a data connection. The at least one sensor element and the evaluation unit are each electrically connected to the energy generator and are suppliable with an electric energy thereby.