Vehicle Axial Load Display with Pulsating Signal Feedback
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Solution Overview
Problem
Existing systems for monitoring the loading status of vehicles, particularly dump trucks, fail to provide clear and attention-grabbing visual or auditory signals when the axle load approaches or exceeds the maximum permissible limit, potentially leading to overloading.
Innovation Solution
A method utilizing a control unit to output distinct signals based on the loading status, with a continuous signal when the maximum is reached and a pulsating signal when overloaded, featuring coordinated optical and acoustic sources with varying switch-on and switch-off phases, and frequency modulation to differentiate states, ensuring the operator is promptly informed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a simple static display (e.g., colored lamps) is used to indicate loading status, then the device complexity is low, but the attention-grabbing capability and information clarity are insufficient
Solution Approach 1:
The patent applies periodic action by using pulsating signals (alternating on/off states) to indicate overload conditions. This dynamic temporal pattern creates a more attention-grabbing display compared to static indicators, while still using simple lamp components. The periodic modulation encodes different loading states through different pulsation patterns, thereby improving information clarity without proportionally increasing device complexity.
Solution Approach 2:
The patent transitions from static display to dynamic display by implementing signals that change over time. Continuous signals indicate maximum load, pulsating signals indicate overload, and different pulsation patterns provide additional information. This dynamic behavior enhances the attention-grabbing capability and information clarity of the display system while maintaining relatively simple device architecture.
2Ease of operation
If no signal is output below the permissible maximum, then the device complexity is minimal, but the operator cannot be proactively informed about approaching load limits
Solution Approach 1:
The patent implements feedback by continuously monitoring the loading status and providing real-time signals to the operator. When the load approaches the maximum permissible value, the system outputs signals (continuous or pulsating) to inform the operator. This feedback mechanism improves operator awareness and enables proactive load management, while the signal generation logic remains relatively simple based on threshold comparisons.
3Loss of information
If distinct signals are used to differentiate loading states, then the information clarity is improved, but the device complexity increases due to multiple signal sources and control logic
Solution Approach 1:
The patent uses periodic action to differentiate loading states: continuous signals for maximum load and pulsating signals for overload conditions. By varying the temporal pattern (continuous vs. periodic on/off) rather than using completely different signal types or multiple independent systems, the patent achieves clear state differentiation while controlling device complexity. The same physical components can generate different signal patterns through control logic.
Solution Approach 2:
The patent applies parameter changes by modifying the temporal characteristics of the output signal (continuous vs. pulsating, different on/off ratios) to indicate different loading states. This approach allows clear differentiation of states using the same hardware components, thereby improving information clarity without proportionally increasing device complexity. The control unit adjusts signal parameters based on the detected loading condition.
Data Source
Figure 1
Figure 2A~2D
AI summary
The invention relates to a method for displaying the loading and/or the axial load of a vehicle when loading the latter using optical and/or acoustic signal sources (14), wherein different signals are provided for the following states: a) axial load/loading below a permissible maximum, b) permissible maximum reached, c) permissible maximum exceeded. The invention provides for a continuous signal to be output when the permissible maximum is reached and for a pulsating signal to be output in the event of overload.