Parking Brake Control for Load Compartment Safety
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Solution Overview
Problem
Existing systems fail to effectively prevent the loss of goods from a vehicle's load compartment during transportation, leading to accidents and administrative penalties.
Innovation Solution
The system automatically activates and maintains the parking brake when the vehicle is stopped and the load compartment is open or not perfectly closed, with an optional push button on the dashboard to deactivate the system in cars, ensuring the load compartment is securely closed before the vehicle can move.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the parking brake is automatically activated when the load compartment is open, then goods loss is prevented, but the ease of operation deteriorates due to reduced driver control
Solution Approach 1:
The system applies preliminary anti-action by automatically activating the parking brake when the load compartment is detected as open, preventing the vehicle from moving and thus preventing goods loss before it can occur. This counteracts the potential harmful action of accidental vehicle movement.
Solution Approach 2:
The system implements feedback through control lights that continuously monitor and signal the status of the load compartment to the driver. When the compartment is open, a warning light activates, providing real-time feedback about the system state and the reason for parking brake activation, allowing the driver to understand and respond to the system's actions.
2Reliability
If the system unconditionally inhibits parking brake deactivation when the load compartment is open, then safety is improved, but the device complexity increases due to additional control mechanisms
Solution Approach 1:
The system merges the parking brake control function with the load compartment monitoring function into a single integrated system. The same control unit that monitors the compartment status also manages the parking brake activation and deactivation, reducing the need for separate complex control mechanisms while maintaining safety.
Solution Approach 2:
The control system exhibits multi-functionality by performing both the monitoring of load compartment status and the management of parking brake operation. This universal approach allows a single system to handle multiple safety-related functions, reducing overall system complexity while maintaining comprehensive safety control.
3Ease of operation
If control lights signal the incorrect closing of the load compartment, then the driver notices the issue, but the loss of information occurs if the driver ignores or misses the signal
Solution Approach 1:
The system takes preliminary action by activating the parking brake automatically when the load compartment is detected as open, before the driver can potentially ignore or miss the control light signal. This ensures the safety function is executed regardless of driver attention or response to the warning signal.
Solution Approach 2:
The system performs self-service by automatically monitoring the load compartment status and controlling the parking brake without requiring driver intervention or attention. The system serves itself by detecting the open compartment condition and independently activating the safety measure, reducing reliance on driver response to control signals.
Data Source
Figure 1
AI summary
Method of prevention of the loss of goods, in particular from a vehicle for goods transportation or goods and passenger transportation, comprising a first step of activating and/or automatically maintaining active the parking brake when two conditions are satisfied (A) the vehicle is stopped AND (B) the load compartment is open or not closed correctly. SINGLE FIGURE