Vehicle Door Handle Powerline Signaling With Stabilizing Circuit
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Solution Overview
Problem
Existing communication systems for vehicle components, such as door handles, face challenges in ensuring reliable powerline communication due to variations in current strength and voltage drops, which can affect the stability and accuracy of signal transmission.
Innovation Solution
A circuit arrangement with a stabilizing device and current control mechanism is used to output transmission signals over the power supply line, adjusting current intensity to ensure reliable and stable communication, utilizing a stabilizing device integrated into the component's electronics to regulate voltage and control current flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If powerline communication is used for transmitting information from door handle to control unit, then communication functionality is achieved, but communication reliability deteriorates due to current strength variations and voltage drops
Solution Approach 1:
The patent changes the electrical parameters (current strength, voltage) of the power supply line to encode communication signals. By deliberately varying these parameters beyond normal operational ranges, the system creates distinct signal states that can be reliably detected despite background variations, thus improving communication reliability through parameter modulation.
Solution Approach 2:
The power supply line is made to serve dual functions: providing electrical power to the door handle electronics and transmitting communication signals from the door handle to the control unit. This multi-functionality eliminates the need for separate communication wiring while enabling reliable communication through the existing infrastructure.
2Reliability
If current intensity is increased to improve signal transmission, then communication range and reliability improve, but energy consumption increases
Solution Approach 1:
The communication signals are transmitted periodically through the power supply line at specific intervals rather than continuously. This periodic transmission allows the system to achieve reliable communication while minimizing energy consumption by keeping the current at normal levels between signal transmissions and only increasing intensity when communication is required.
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
This solution enables technically simple, reliable, and stable transmission of information, allowing for precise definition of current intensity and reduced variations, thereby enhancing the reliability of powerline communication in vehicle systems.
Implementation Method 1
a stabilizing device (20) electrically connecting the interface arrangement (40) to the processing arrangement (50) to provide a power supply from the supply connection stabilized to the processing arrangement (50)
Data Source
AI summary
Arrangement (10) for transmitting information in a component (2) of a vehicle (1), in particular in a door handle (2) of the vehicle (1):a processing arrangement (50) for providing information at the component (2), preferably about a detection of an activation action at the component (2),an interface arrangement (40) for providing an electrical supply connection to a control device (30) of the vehicle (1),a stabilizing device (20) electrically connecting the interface assembly (40) to the processing assembly (50) to provide a power supply from the supply connection stabilized to the processing assembly (50),a current control arrangement (60) of the processing arrangement (50), which is electrically connected to the stabilizing device (20), for using the stabilizing device (20) to output a transmission signal (S) to the interface arrangement (40) in order to transmit the provided information to the control device (30) via the supply connection.