Vehicle Closure Pressure Release for Handle-Free Secure Opening
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Solution Overview
Problem
Existing vehicle closure assemblies, such as liftgates, require manual actuation through handles for opening, which can be cumbersome and may not accommodate user convenience or security needs.
Innovation Solution
A pressure monitoring system using force-sensing resistors detects user pressure on the closure to automatically release it from a locked position, integrating with a control module to unlatch and pivot the closure without handle actuation, and incorporating authorized user detection through keyfob authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operation or handles are used to open vehicle closures, then the system structure remains simple, but ease of operation is reduced and security is compromised
Solution Approach 1:
The patent replaces manual mechanical operation (handles, knobs) with an automated pressure-sensing system. Force-sensing resistors detect pressure applied to the closure surface, and a control module automatically triggers the release mechanism, eliminating the need for manual handle operation while maintaining system simplicity through electronic automation.
Solution Approach 2:
The closure system performs self-service by automatically detecting user intent through pressure sensing and autonomously executing the release sequence. The system monitors pressure, determines when opening is desired, and activates the release mechanism without requiring manual intervention, making the system serve itself.
2Reliability
If manual handles are used for closure release, then device complexity is low, but security against unauthorized access is insufficient
Solution Approach 1:
The patent replaces simple mechanical handle operation with an electronic control system that includes force-sensing resistors and a control module. This system can distinguish between authorized and unauthorized access attempts by monitoring pressure patterns and sequences, providing enhanced security while maintaining operational simplicity through automated control.
Solution Approach 2:
The system incorporates feedback mechanisms where the control module continuously monitors pressure sensor inputs and adjusts the release sequence accordingly. The system can detect unauthorized pressure applications and respond by preventing release or alerting the user, providing security through active monitoring and responsive control.
3Ease of operation
If pressure monitoring is implemented to detect user intent, then ease of operation is improved, but device complexity increases due to additional sensors and control systems
Solution Approach 1:
The patent replaces complex multi-component mechanical operating mechanisms with a simpler electronic sensing and control system. The force-sensing resistors and control module provide intuitive pressure-based operation that is easier to use than manual handles, while the electronic system requires fewer moving parts and maintenance than mechanical linkages.
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 convenient and secure one-touch opening of vehicle closures by authorized users, enhancing user experience and preventing unauthorized access.
Implementation Method 1
monitoring the pressure using at least one force-sensing resistor
Data Source
AI summary
A closure release method includes monitoring a pressure between a closure of a vehicle and a frame of the vehicle when the closure is closed against the frame. The method further includes detecting a change in the pressure, and releasing the closure from a closed position in response to the change.