Wireless Anti-Theft Terminal for Operational Vehicles
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Solution Overview
Problem
Existing anti-theft devices for operational vehicles, such as cranes and aerial operation vehicles, complicate the process of canceling the anti-theft mode due to the lack of a suitable input device for security codes, making it cumbersome for users to operate the vehicles.
Innovation Solution
An anti-theft device with a wireless operation terminal that performs identification authentication with the vehicle's controller, allowing for easy cancellation of the anti-theft mode and automatic switching to operational modes, such as the outrigger operation mode, eliminating the need for manual security code input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a security code input method using existing switches is used, then the anti-theft function is provided, but the operation becomes complicated and troublesome
Solution Approach 1:
A wireless operation terminal is introduced as an intermediary device between the user and the vehicle controller. This terminal performs identification authentication and communicates with the controller to cancel the anti-theft mode, serving as a mediator that simplifies the user's interaction while maintaining security through authenticated communication.
Solution Approach 2:
The mechanical switch-based security code input system is replaced with a wireless communication system. The wireless operation terminal transmits authentication signals wirelessly to the controller, eliminating the need for manual switch operations and security code input, thereby simplifying the cancellation process while maintaining anti-theft functionality.
2Reliability
If multiple switches are used for security code input, then authentication is possible, but the device complexity increases
Solution Approach 1:
The wireless operation terminal acts as an external intermediary that consolidates authentication functionality. Instead of distributing authentication switches throughout the vehicle interface, all authentication logic is centralized in the wireless terminal, which then communicates with the controller through a simple wireless link, reducing overall system complexity.
Solution Approach 2:
The authentication function is extracted from the vehicle's existing switch system and placed into a separate wireless operation terminal. This extraction removes the complexity of integrating multiple switches into the vehicle's control interface while maintaining the authentication capability in a dedicated, portable device.
3Reliability
If the anti-theft mode is maintained by locking the control valve, then theft prevention is reliable, but the vehicle cannot be operated normally
Solution Approach 1:
The system dynamically switches between anti-theft mode and normal operation mode based on authentication. The travel regulation unit maintains the outrigger device in a grounded state during anti-theft mode, and upon successful authentication via the wireless terminal, the system transitions to allow normal operation, enabling the vehicle to be brought into a travel-ready state.
Solution Approach 2:
The anti-theft measure is applied in advance by maintaining the outrigger device in a grounded state that prevents vehicle movement. This preliminary action ensures theft prevention before any unauthorized operation can occur, and the system is designed to easily reverse this state through authenticated wireless communication.
Data Source
AI summary
An anti-theft device of an operational vehicle, in which an operation of cancelling an anti-theft mode is simply and easily performed, is provided. The anti-theft device includes: a travel regulation unit (70) which maintains, when the anti-theft mode is set, the operational vehicle (1) in a state where the operational vehicle (1) cannot travel; and a wireless operation terminal (80) which wirelessly operates an operational device (20). When the wireless operation terminal (80) communicates with a controller (70), the wireless operation terminal (80) performs identification authentication, and when the identification authentication between the wireless operation terminal (80) and the controller (70) is successfully performed, the travel regulation unit (70) cancels the anti-theft mode. Since the wireless operation terminal (80) is only made to communicate with the controller (70), and thus the anti-theft mode is cancelled, the operation of cancelling the anti-theft mode is simply and easily performed.