Dimmable LED Lamp Tube with Dual Switch Control
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Solution Overview
Problem
Conventional LED lamp tubes consume excessive electricity as they are often turned on at full power and cannot be frequently turned on and off, leading to high energy consumption, especially in public places like classrooms and hotels.
Innovation Solution
A dimmable lamp tube design featuring a brightness adjustment switch, power adjustment switch, and advanced circuitry, including a rectification filter circuit, constant-current control circuit, low-dropout regulating power source circuit, leakage protection circuit, and intelligent control circuit, allowing for adjustable brightness and power levels, integrated with a wall switch, microwave radar control, and human body infrared module for comprehensive control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If LED lamp tubes are applied to public places like classrooms and hotels, then lighting efficiency and energy-saving benefits are improved, but electricity consumption increases when lights are left on at full power continuously
Solution Approach 1:
The lamp tube incorporates a dimming control circuit that enables dynamic adjustment of brightness levels. Users can switch between different brightness modes (full brightness, half brightness, quarter brightness) according to actual lighting needs, transforming the static full-power operation into a dynamic adjustable system that reduces energy consumption while maintaining lighting functionality.
Solution Approach 2:
The patent changes the operating parameter of the LED lamp tube from fixed full power to variable brightness levels. By introducing a dimming control circuit with multiple brightness modes, the system allows parameter adjustment of light output to match different usage scenarios, thereby reducing unnecessary energy consumption in public places.
2Illumination intensity
If lighting devices are turned on at full power continuously in public places, then lighting requirements are met, but electricity consumption becomes extremely high
Solution Approach 1:
The lamp tube incorporates a dimming control circuit that enables dynamic adjustment of brightness levels. Users can switch between different brightness modes (full brightness, half brightness, quarter brightness) according to actual lighting needs, transforming the static full-power operation into a dynamic adjustable system that reduces energy consumption while maintaining lighting functionality.
Solution Approach 2:
Instead of always operating at full power, the system allows partial action by providing multiple brightness levels. When full lighting intensity is not required, the lamp can operate at reduced brightness (half or quarter power), avoiding excessive energy consumption while still meeting the minimum lighting requirements for public places.
3Use of energy by stationary object
If lighting devices are frequently turned on and off in public places, then energy consumption is reduced, but the lighting system becomes complex with multiple control mechanisms
Solution Approach 1:
The lamp tube integrates multiple functions into a single device: it combines full-power operation mode, dimming control mode, and automatic control mode. The dimming control circuit serves multiple purposes including manual brightness adjustment, automatic brightness adjustment based on sensor input, and power management, reducing the need for separate control systems while enabling flexible energy consumption management.
Solution Approach 2:
The lamp tube incorporates automatic control functionality where sensors (such as light sensors or motion sensors) automatically detect environmental conditions and adjust lighting accordingly. The system can automatically dim or turn off when ambient light is sufficient or when no motion is detected, eliminating the need for manual frequent switching and reducing control mechanism complexity through autonomous operation.
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 dimmable lamp tube reduces electricity consumption by allowing adjustable brightness and power levels, enhancing safety with leakage protection, and offering flexible control mechanisms, while maintaining high commercial value without significant cost increases.
Implementation Method 1
The circuit board further includes a rectification filter circuit
Implementation Method 2
The circuit board further includes a rectification filter circuit
Implementation Method 3
The circuit board further includes a rectification filter circuit and a constant-current control circuit. The rectification filter circuit is connected to the constant-current control circuit and the constant-current control circuit is connected to the light-emitting elements.
Implementation Method 4
The circuit board further includes a low-dropout regulating power source circuit and the rectification filter circuit is connected to the low-dropout regulating power source circuit.
Implementation Method 5
The circuit board further includes a leakage protection circuit is connected to the rectification filter circuit and the low-dropout regulating power source circuit.
Implementation Method 6
The circuit board further includes an intelligent control circuit. The brightness adjustment switch connection terminal and the power adjustment switch connection terminal are connected to the intelligent control circuit.
Implementation Method 7
The light-emitting elements are light-emitting diode beads.
Data Source
AI summary
A dimmable lamp tube is provided, which includes a first lamp head, a second lamp head and a lamp tube body. The first lamp head has a brightness adjustment switch. The second lamp head has a power adjustment switch. The lamp tube body includes a circuit board and a plurality of light-emitting elements. The light-emitting elements are disposed on the circuit board. The circuit board includes a brightness adjustment switch connection terminal and a power adjustment switch connection terminal. The brightness adjustment switch is connected to the brightness adjustment switch connection terminal and the power adjustment switch is connected to the power adjustment switch connection terminal.