Lighting Apparatus Shielding Cover for Safe Manual Switch Access
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Solution Overview
Problem
Existing lighting apparatuses pose safety concerns when external switches are used to adjust settings, as they can lead to direct contact with electrical components, potentially causing electric shock.
Innovation Solution
A lighting apparatus design featuring a shielding cover that conceals the manual switch, preventing direct external access and incorporating a driver circuit with a driver container and plate, along with a wire plate for secure power wire attachment, to ensure safe operation while allowing flexible settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If external switches are used to adjust settings, then ease of operation is improved, but safety deteriorates due to direct contact with electrical components
Solution Approach 1:
The device is divided into separate functional modules: the control module with manual switch is separated from the driver circuit board, and the driver container is separated from the light source. This segmentation allows the switch to be accessible while keeping electrical components enclosed, resolving the contradiction between ease of operation and safety.
Solution Approach 2:
The driver container acts as an intermediary barrier between the user-accessible manual switch and the electrical driver circuit components. This intermediary structure allows control functionality while preventing direct contact with hazardous electrical parts, simultaneously achieving ease of operation and safety.
2Object-affected harmful factors
If manual switch is concealed for safety, then safety is improved, but ease of operation deteriorates due to reduced accessibility
Solution Approach 1:
The shielding cover provides selective concealment: it covers the driver circuit board and electrical components while leaving the manual switch accessible through the driver opening. This local quality approach ensures safety for electrical parts while maintaining operational accessibility for the control interface.
Solution Approach 2:
The control functionality is segmented from the electrical components, with the manual switch positioned in the driver container's opening area that remains accessible. This segmentation allows the switch to be operable while electrical components remain enclosed, resolving the contradiction between safety and ease of operation.
3Object-affected harmful factors
If driver circuit is enclosed in container, then safety is improved, but device complexity increases
Solution Approach 1:
The driver container serves multiple functions simultaneously: it encloses and protects the driver circuit board and electrical components for safety, provides structural support for mounting the circuit board, and creates a defined space for the manual switch. This multi-functionality reduces overall device complexity while maintaining safety.
Solution Approach 2:
The driver container merges several protective and structural functions into a single component, eliminating the need for separate enclosures and mounting structures. This merging simplifies the overall device structure while achieving the safety goal of enclosing electrical components.
Data Source
AI summary
A lighting apparatus includes a fixing bracket, a driver plate, a driver circuit, a driver container, a manual switch, a shielding cover, a cover plate and a light source. The fixing bracket has a first wall, a second wall and a third wall. The first wall and the third wall are connected on two sides of the second wall. The first wall has a door opening. The driver circuit is mounted on the driver plate. The driver container is fixed to the fixing bracket. The driver container has a driver opening facing to the first wall. The manual switch disposed on the driver plate. The manual switch has a switch pin to be moved for selecting a setting of the driver circuit. The shielding cover conceals the manual switch so that users do not touch the manual switch directly from outside of the lighting apparatus.