Rotatable Electrical Probe for Tight Spaces
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Solution Overview
Problem
Traditional multimeters and electrical test devices are cumbersome to use, particularly when trying to reach obstructed or hard-to-access conductive areas, and can be dangerous due to the risk of accidental power application.
Innovation Solution
A probe device with a user interface opposite a finger-gripping surface, allowing one-handed operation to measure attributes or apply power to electronic circuits, featuring a rotatable probe body, an inductive clamp, and safety mechanisms to prevent accidental power application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional pen-like terminals are used to measure voltage, then measurement capability is provided, but the device becomes clumsy to use and difficult to maneuver in tight spaces
Solution Approach 1:
The probe device incorporates a rotatable probe body that can rotate relative to the handle, allowing the probe tip to be dynamically repositioned to access different areas. This dynamic adjustment capability enables the device to adapt to various testing scenarios including tight spaces and obstructed areas, improving ease of operation without requiring multiple separate devices
Solution Approach 2:
The probe device is divided into distinct functional segments: a handle for gripping and control, a rotatable probe body for positioning, and a probe tip for measurement. This segmentation allows each component to be optimized independently while working together as an integrated system, reducing overall complexity while maintaining functionality
2Adaptability or versatility
If alligator clips with cables are used to reach around obstructions, then access to hard-to-reach areas is improved, but the device becomes clumsy and line of sight is blocked
Solution Approach 1:
The rotatable probe body allows the user to dynamically adjust the probe tip orientation while maintaining a clear view of the measurement area. Unlike fixed alligator clips on cables, the probe tip can be rotated to point in different directions while the user maintains visual contact with the test point, improving both adaptability and ease of operation
3Adaptability or versatility
If power sourcing functionality is provided simultaneously with multi-meter functionality, then device versatility is improved, but safety risks increase due to potential accidental power application
Solution Approach 1:
The device requires the user to deliberately activate power sourcing mode before power can be applied. This preliminary action of pressing and holding the button ensures the user consciously decides to enable power functionality, preventing accidental power application while maintaining the versatility of having both power sourcing and measurement capabilities in one device
Solution Approach 2:
The device provides visual feedback through an LED indicator that illuminates when power sourcing mode is active. This feedback mechanism allows the user to immediately see when power is being applied, preventing accidental contact and enhancing safety while maintaining full functional versatility
4Productivity
If the user interface is positioned on the device body, then two-handed operation is required, but this reduces operational efficiency in tight spaces
Solution Approach 1:
The user interface buttons are integrated directly onto the handle grip, merging the control functions with the gripping function. This allows the user to operate the device with one hand by pressing buttons on the grip while holding the handle, eliminating the need for two-handed operation and improving productivity in tight spaces without significantly increasing device complexity
Data Source
AI summary
A probe device has a main body and a probe body with different joints, where each joint rotates along different rotatable directions relative to one another. A user of the probe device may rotate the probe body relative to the main body along two separate rotatable axes to reach behind areas that are difficult to reach into using a probe device without rotatable components.