UV Lamp Socket Leakage Detection for Water Immersion Shock Protection
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Solution Overview
Problem
Existing UV sanitation systems face risks of electrical shock due to water exposure and electrical leakage, which are not effectively detected, posing safety hazards to users and operators.
Innovation Solution
A UV sanitation system with a lamp base and socket configuration that includes a detecting pin and hole arrangement to monitor for electrical leakage, coupled with a circuit that disables power when a leakage threshold is exceeded, ensuring safety by interrupting power supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional waterproofing methods (o-ring, strainer element) are used to isolate lamp base and socket from water, then hermetic isolation is achieved, but the system remains vulnerable to leakage over time due to o-ring degradation, quartz sleeve breakage, and thermal expansion/contraction
Solution Approach 1:
The detecting pin is pre-positioned in the lamp socket to detect water intrusion before it reaches the electrical connection points. This preliminary detection mechanism activates the alarm and disconnects power before actual electrical leakage occurs, preventing the harmful effect rather than just containing it.
Solution Approach 2:
The system incorporates a feedback mechanism where the detecting pin continuously monitors for water presence and triggers an alarm signal and power disconnection when water is detected. This closed-loop feedback ensures immediate response to potential leakage conditions, maintaining safety throughout the component's service life.
2Productivity
If the UV sanitation system is disposed directly in sewage to improve disinfection efficiency, then sterilization efficiency is enhanced, but the risk of electrical leakage and shock hazard increases due to constant water exposure
Solution Approach 1:
The detecting pin acts as an intermediary element between the water environment and the electrical components. It provides early warning and triggers power disconnection before water can bridge the electrical contacts, thus mediating the interaction between water and electricity to prevent shock hazards while allowing direct immersion operation.
Solution Approach 2:
The system applies preliminary anti-action by detecting water presence and disconnecting power before electrical leakage can occur. This preventive measure counteracts the potential harmful effect of water exposure on electrical components, enabling safe direct immersion in sewage environments.
3Device complexity
If no leakage detection mechanism is present, then the system structure remains simple, but electrical leakage goes undetected posing hidden safety dangers to users and operators
Solution Approach 1:
The detecting pin is integrated into the lamp socket structure itself, utilizing the existing electrical circuitry to provide detection functionality. This self-service approach adds minimal complexity while effectively detecting water presence and preventing electrical leakage hazards.
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
The system effectively detects and prevents electrical shock by disabling power when leakage exceeds a predetermined threshold, enhancing user safety and system operation.
Implementation Method 1
when the exposed portion of the detecting pin is exposed to a sufficient volume of a conductive substance
Data Source
AI summary
A water immersive electric shock protection apparatus for an ultraviolet (UV) sanitation system and an electrical circuit arrangement for operating same, the apparatus including a lamp base having a proximal end configured to be mounted to a tube of a UV lamp and a distal end having a plurality of connecting pins extending therefrom, the plurality of connecting pins arranged to deliver electrical power to the UV lamp, a lamp socket having a plurality of connecting holes corresponding to the plurality of connecting pins and configured to receive said connecting pins, a first electrical circuit disposed in communication with the plurality of connecting holes and extending to and connectable with an electrical power source, the first electrical circuit arranged to deliver electrical power from the power source to the plurality of connecting pins when received in the corresponding plurality of connecting holes and when the electrical power source is turned on, a detecting pin extending from the distal end of the lamp socket and including an exposed portion, a detecting hole formed in the lamp socket, configured to receive the detecting pin when the plurality of connecting holes said receive the plurality of connecting pins, a second electrical circuit disposed in communication with the detecting hole which receives a leakage signal from the first electrical circuit when the exposed portion of the detecting pin is exposed to a sufficient volume of a conductive substance, and a detecting device connected to the second electrical circuit and configured to detect the leakage signal, to compare the leakage signal to a predetermined set value, and to turn off the electrical power source when the leakage signal exceeds the predetermined set value.