Remote Cable Cutting Tool Control With Trigger-Lock Enablement
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Solution Overview
Problem
Existing cutting tools lack remote control capabilities, making it difficult to perform operations like cutting live electrical cables safely and efficiently, especially in hard-to-reach locations such as underwater environments, where manual operation poses hazards to workers.
Innovation Solution
A cutting tool system that includes a body with two blades, an actuator, and a controller capable of wireless communication with a remote device, allowing for remote operation through a user interface with buttons and indicators, enabling the cutting tool to be controlled from a safe distance by sending signals to move the blades relative to each other.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual operation of cutting tool is used, then worker can directly control the cutting action, but worker is exposed to hazards especially when cutting live electrical cables or working in hard-to-reach locations
Solution Approach 1:
A remote control device serves as an intermediary between the operator and the cutting tool. The remote control transmits signals wirelessly to the cutting tool's controller, enabling the operator to control blade movement from a safe distance. This mediator allows direct control capability to be maintained while eliminating the operator's exposure to hazardous environments such as live electrical cables or underwater settings.
2Reliability
If remote control capability is added to cutting tool, then worker safety is improved by reducing exposure to hazards, but device complexity increases due to wireless communication components
Solution Approach 1:
The cutting tool is designed with multi-functionality by integrating both manual operation capability and remote control capability into a single device. The control system can operate in multiple modes: direct manual control when the tool is used in safe environments, and remote control when safety requires distance from hazards. This universal design allows the same device to adapt to different operational contexts without requiring separate tools.
3Reliability
If trigger lock mechanism is implemented, then accidental activation is prevented, but ease of operation is reduced due to additional steps required to activate cutting
Solution Approach 1:
The trigger lock mechanism requires preliminary action - the operator must first engage the trigger and then activate the lock to enable cutting. This two-step process ensures intentional activation by requiring deliberate sequential actions. The preliminary engagement of the trigger followed by lock activation prevents accidental cutting while maintaining operational efficiency for intended cutting actions.
Data Source
AI summary
An example system includes a cutting tool and a device configured to remotely control the cutting tool. The device is configured to establish a wireless communication with the cutting tool, and the cutting tool is configured to send a first signal to the device indicating that the cutting tool is enabled to be operated remotely responsive to the cutting tool receiving information indicating that a trigger is locked in an “on” state and a remote switch is in a first position. The device is configured to send a second signal to the cutting tool indicating a request to cause the cutting tool to perform a cutting operation responsive to receiving information indicative of actuation of at least one button of a user interface of the device.