Vehicle Locking Access Control for Emergency Battery Failure
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Solution Overview
Problem
Existing motor vehicle locking systems face reliability issues when the central battery fails, leading to potential unauthorized access and tampering risks due to external auxiliary energy supplies.
Innovation Solution
A closure element is designed to block access to the auxiliary energy supply in a closed position, with a blocking unit ensuring secure access only during emergency operations, using a control unit and energy store to unblock the element when necessary, and disconnecting the supply from the central battery in the blocked state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the auxiliary energy supply is made accessible from the outside for emergency operations, then the reliability of the locking system is improved, but the risk of unauthorized access and tampering increases
Solution Approach 1:
The closure element is pre-configured to block access to the auxiliary energy supply in normal operation. The blocking unit is pre-positioned to prevent unauthorized access, while the control unit monitors battery status in advance to determine when unblocking is necessary for emergency operations.
Solution Approach 2:
The closure element acts as an intermediary barrier between the external environment and the auxiliary energy supply. It physically blocks access during normal operation but can be controlled to open when emergency conditions are detected, mediating between security requirements and emergency access needs.
2Object-affected harmful factors
If the closure element is blocked to prevent unauthorized access, then security is improved, but access during emergencies may be delayed
Solution Approach 1:
The control unit continuously monitors the voltage level of the central battery and provides feedback on the battery's operational status. When the voltage drops below a threshold indicating emergency conditions, the control unit automatically activates the blocking unit to unblock the closure element, enabling rapid access without manual intervention.
Solution Approach 2:
The system monitors its own battery status and automatically triggers the unblocking mechanism when emergency conditions are detected. The blocking unit is activated by the control unit based on voltage monitoring, allowing the system to service itself by removing restrictions when needed without external intervention.
3Object-affected harmful factors
If the blocking unit is always active to prevent access, then security is maintained, but the device complexity increases
Solution Approach 1:
The blocking unit is integrated with the existing closure element and control unit of the locking system. The control unit that already manages the closure element's opening/closing operations is extended to also control the blocking unit based on battery voltage monitoring, merging multiple functions into existing components rather than adding entirely separate systems.
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
Enhances security and reliability by preventing unauthorized access to vehicle electronics and ensuring the locking system functions during emergencies without compromising security.
Implementation Method 1
an electrical energy store for the blocking unit is provided, wherein the blocking unit is unblocked by means of the energy stored in the energy store
Data Source
AI summary
A method of operating a motor vehicle locking system including an electric drive for providing a locking function, a central battery of the motor vehicle supplies electrical energy to the electric drive during normal operation, an auxiliary energy supply supplies electrical energy to the central battery and is arranged in a closure arrangement of the motor vehicle, the closure element is configured to assume an open and a closed position. Access to the auxiliary energy supply is blocked by the closure element in the closed position and cleared in the open position. The central battery is monitored by a control unit to check whether an emergency operation criterion is satisfied. The closure element is locked in the closed position by means of a lock unit, and when the emergency operation criterion is satisfied, the lock unit is actuated by the control unit to unlock the closure element.