Lamp Cap with Built-in Micro Switch for LED Tube
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Solution Overview
Problem
Current LED tube lighting systems pose a safety risk due to the need for separate switches, which can lead to accidental power activation when inserting the tube into the lamp holder.
Innovation Solution
A built-in switch cap with a micro switch that is activated upon insertion of the LED tube into the lamp holder, featuring a press-button mechanism that connects and disconnects the power source safely and efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a separate switch box is installed on the wall to control the LED tube, then the power control function is achieved, but the device complexity and installation difficulty increase
Solution Approach 1:
The patent combines the switch function directly into the lamp cap structure, merging two separate components (lamp cap and switch) into one integrated unit. The micro switch is installed within the lamp cap body, eliminating the need for a separate wall-mounted switch box while maintaining the power control function.
Solution Approach 2:
The lamp cap is designed to perform multiple functions: it serves as both the electrical connection component and the power control component. The integrated design allows the lamp cap to universally handle both power transmission and power switching operations.
2Ease of manufacture
If the switch is open before inserting the LED tube, then the installation process is simple, but the safety risk of accidental power activation increases
Solution Approach 1:
The micro switch is pre-configured in the open state within the lamp cap. When the LED tube is inserted, the pressing button automatically triggers the switch to close, ensuring power is only activated after proper installation. This preliminary setup prevents accidental power activation during the insertion process.
Solution Approach 2:
The pressing button mechanism serves as an intermediary between the tube insertion action and the power switch activation. It mediates the transition from mechanical insertion to electrical connection, ensuring that power is only supplied when the tube is properly in place and the button is pressed.
3Reliability
If a built-in micro switch is installed in the lamp cap, then the safety risk is reduced and power control is improved, but the manufacturing complexity increases
Solution Approach 1:
The patent employs a micro switch and pressing button mechanism that are designed to be cost-effective and simple in structure. These components are chosen to be inexpensive and easy to replace, reducing the impact of increased manufacturing complexity while maintaining safety improvements.
4Ease of operation
If external switches are used to control the LED tube, then the power control function is achieved, but the overall system volume and installation space increase
Solution Approach 1:
The switch function is merged into the lamp cap, eliminating the need for separate external switches and reducing the overall system volume. The integrated design consolidates multiple functions into a single compact component.
Solution Approach 2:
The micro switch and pressing button are nested within the lamp cap structure, with the pressing button extending through a through-hole in the end closure. This nested arrangement allows the control mechanism to be housed within the existing lamp cap volume without requiring additional external space.
Data Source
AI summary
The invention discloses a built-in switch cap, including a cylinder body, one end of which is open for setting a tube, the other end is closed and is provided with pins and connected with a drive power. There is a micro-switch installed in the cap to control the ON/OFF of the drive power; a flexible button is provided to press the above micro switch, the press button is bulging from on the closed side of the cylinder body. The invention discloses a LED tube, which at least has one cap. The invention uses the micro switch installed in the lamp cap, pressing the button on the cap when touching the switch, the power source supplies power, increasing the safety of products. The cap also can directly replace the existing cap, with a strong commonality.