Outlet-Prong Accessory for Non-Contact Voltage Detection
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Solution Overview
Problem
Conventional non-contact voltage detectors face difficulties in accurately measuring electrical characteristics behind electrical outlets without requiring galvanic contact, often resulting in unreliable measurements or damage to the detector when attempting to insert physical components into receptacles.
Innovation Solution
The development of accessories with external conductive prongs that can be inserted into electrical outlets, allowing internal conductive prongs to transmit electrical signals to a non-contact sensor without direct contact, enabling the detection of electrical characteristics like voltage or current without damaging the detector.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional non-contact voltage detectors attempt to measure electrical characteristics behind outlets by inserting physical components into receptacles, then measurement capability is improved, but device damage risk and safety hazards increase
Solution Approach 1:
The patent introduces an intermediary accessory component that interfaces between the non-contact detector and the electrical outlet. This accessory includes conductive elements that make contact with the outlet while the detector itself remains non-contacting, thus enabling measurement capability while protecting the detector from damage risk
Solution Approach 2:
The measurement system is segmented into two separate functional components: the non-contact detector that provides safe voltage detection capability, and the accessory component that provides outlet interface capability. This segmentation allows each component to perform its function without exposing the detector to harmful contact
2Adaptability or versatility
If conventional non-contact voltage detectors attempt to measure electrical characteristics behind outlets by inserting physical components into receptacles, then measurement capability is improved, but user safety deteriorates
Solution Approach 1:
The accessory acts as an intermediary that isolates the user from direct contact with electrical circuits. The user operates the non-contact detector safely without insertion, while the accessory's conductive elements handle the electrical interface, eliminating shock risk while maintaining measurement capability
Solution Approach 2:
The patent replaces the mechanical insertion method (which creates safety hazards) with a non-contact sensing method. The detector uses electromagnetic field sensing instead of physical contact with electrical circuits, substituting a safe mechanical approach with a field-based measurement technique
3Device complexity
If non-contact electrical detectors are designed without removable accessories, then device simplicity is maintained, but measurement versatility at electrical outlets deteriorates
Solution Approach 1:
The detector system is made dynamically configurable through removable accessories. The detector itself remains simple and unchanged, but its functionality can be dynamically adapted by attaching different accessories as needed, providing versatility without permanently increasing detector complexity
Solution Approach 2:
The accessory component serves multiple functions: it provides the electrical interface for outlet measurement, maintains electrical isolation, and interfaces with the non-contact detector. This universal accessory enables the simple detector to perform multiple measurement tasks including outlet measurements
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables safe and accurate measurement of electrical characteristics at or behind electrical outlets, reducing the risk of detector damage and providing reliable data without the need for galvanic contact, thus improving user safety and measurement precision.
Implementation Method 1
An electrical signal is transmitted successively from the electrical line or circuit through the external conductive prong to the internal conductive prong. The electrical signal is transmitted by the internal conductive prong so as to be present in the sensing area of the non-contact sensor without galvanically contacting the non-contact sensor
Data Source
AI summary
Accessories are removably received by a non-contact electrical detector for measuring an electrical characteristic without galvanic contact between the accessory and a non-contact sensor in the non-contact electrical detector. In some embodiments, an accessory is positioned in a gap between first and second extensions of the non-contact electrical detector. In some embodiments, an accessory includes first and second recesses on opposite sides of the accessory. First and second clamp arms of a non-contact electrical detector are inserted within the first and second recesses to removably hold the accessory. An external conductive prong of the accessory is electrically coupled, or is selectively electrically coupleable, with an internal conductive prong of the accessory. The external conductive prong is configured to be inserted into a receptacle of an electrical outlet. In use, the accessory positions the internal conductive prong within a sensing area of the non-contact electrical sensor of the non-contact electrical detector.