Electronic Switch Control Circuit for Solar Lighting Sealing
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Solution Overview
Problem
Solar LED lighting products face issues with electric leakage during storage and transportation due to incomplete sealing caused by mechanical switches, leading to reduced service life and increased costs for sealing and appearance concerns.
Innovation Solution
An electronic switch control circuit is introduced, which includes solar panels, a charging circuit, photoelectric signal identification circuit, logic control circuit, enable circuit, oscillating circuit, and timing circuit, allowing for the detection of lighting/shading actions to control the system's power state, eliminating the need for mechanical switches and ensuring complete sealing without additional costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical switch is used to control circuit isolation, then battery power can be maintained, but oxidation and short circuit occur leading to decreased service life
Solution Approach 1:
The patent replaces the mechanical switch with solid-state electronic components including a control circuit and solid-state switch. These components have no moving parts that can oxidize or wear out, eliminating the oxidation and short circuit problems associated with mechanical switches. The service life is extended while maintaining battery power during storage.
Solution Approach 2:
The patent changes the operational parameters of the switch from mechanical movement to electronic control. The control circuit adjusts electrical parameters such as resistance and conductivity based on detected environmental conditions, enabling precise control of battery isolation without the physical wear and oxidation inherent in mechanical systems.
2Ease of manufacture
If a mechanical switch is used in solar LED lighting products, then circuit isolation can be achieved, but appearance is influenced and additional sealing cost is incurred
Solution Approach 1:
The patent replaces the mechanical switch with integrated electronic control components that can be mounted on the circuit board without requiring additional sealing structures. The solid-state switch and control circuit form a compact assembly that maintains product appearance while achieving circuit isolation.
Solution Approach 2:
The patent merges the switch function with the existing control circuitry of the solar LED lighting product. The control circuit integrates multiple functions including environmental sensing, logic processing, and switch control into a single integrated system, eliminating the need for separate mechanical switch components and their associated sealing requirements.
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 electronic switch control circuit effectively prevents leakage, enhances the water-proof and moisture-proof features, reduces manufacturing costs and complexity, and ensures the solar LED lighting products are completely sealed, improving reliability and appearance.
Implementation Method 1
photoelectric signal identification circuit that is coupled to a logic control circuit
Data Source
AI summary
An electronic switch control circuit for a solar lighting system and a method for controlling the same. Solar panels of the solar lighting system are respectively coupled to a charging circuit and a photoelectric signal identification circuit which is coupled to a logic control circuit and an enable circuit sequentially. The enable circuit is respectively coupled to a driving circuit and the charging circuit. The photoelectric signal identification circuit, the logic control circuit, the enable circuit and the charging circuit are respectively coupled to the common end of the driving circuit and rechargeable batteries. The electronic switch control circuit further includes a timing circuit and an oscillating circuit, wherein the oscillation circuit is coupled to the timing circuit, and the timing circuit is coupled to the logic circuit. The oscillation circuit and the timing circuit are coupled to the common end of the rechargeable batteries and the driving circuit.