Adaptive Lighting Device with Environmental Sensing and Power Management

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Solution Overview

Problem

Current garden lamps lack the ability to adjust brightness based on environmental conditions and power availability, leading to inefficient energy use.

Innovation Solution

A lighting device with a housing containing a light source module, power supply module, control module, and sensing module, where the sensing module detects environmental information and the control module adjusts the brightness in conjunction with the remaining power supply, implementing dimming modes to conserve energy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If the light source module operates at high brightness continuously, then the lighting effect is improved, but the energy consumption increases and operation duration decreases

Engineering Contradiction:
ImprovebrightnessVSAvoidenergy consumption
Core Design Contradiction:
Illumination intensityVSUse of energy by moving object

Solution Approach 1:

The lighting device dynamically adjusts brightness based on real-time environmental conditions (ambient light levels, human presence detection) and power availability. The control module modifies the light output from high to low brightness or off state, transforming the static high-brightness operation into a dynamic adaptive system that optimizes energy consumption while maintaining lighting effectiveness.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The device incorporates sensing modules that detect ambient light levels and human presence, providing feedback to the control module. This feedback loop enables the system to automatically adjust brightness levels - maintaining high brightness when needed (dark environments, human presence) and reducing brightness when unnecessary (light environments, no presence), thereby resolving the contradiction between lighting quality and energy consumption.

Inventive Principle:
Principle #23Feedback

2Illumination intensity

If the light source module operates at high brightness, then the lighting effect is improved, but the operation duration decreases due to limited power supply

Engineering Contradiction:
ImprovebrightnessVSAvoidoperation duration
Core Design Contradiction:
Illumination intensityVSDuration of action of moving object

Solution Approach 1:

The system dynamically adjusts the operation duration at each brightness level based on power supply status. When battery charge is sufficient, the device can operate at high brightness for extended periods. When power is limited, the device automatically transitions to lower brightness modes or intermittent operation, extending the overall operation duration while maintaining adequate lighting when necessary.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The control module monitors power supply parameters (battery charge level, current consumption) and adjusts the brightness parameter accordingly. By changing the brightness parameter from maximum to reduced levels based on power availability, the system extends operation duration while maintaining lighting functionality, effectively resolving the contradiction between brightness intensity and operation duration.

Inventive Principle:
Principle #35Parameter changes

3Loss of energy

If the device continuously monitors environmental information and adjusts brightness, then energy efficiency is improved, but the device complexity increases

Engineering Contradiction:
Improveenergy efficiencyVSAvoiddevice complexity
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The sensing modules serve multiple functions: detecting ambient light levels for brightness adjustment, detecting human presence for security lighting, and potentially detecting environmental conditions for adaptive operation. By making these components multi-functional, the device achieves improved energy efficiency without proportionally increasing complexity, as the same hardware infrastructure supports multiple control strategies.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The device performs self-adjustment of brightness based on autonomous sensing of environmental conditions and power status. The control module automatically processes sensor data and modifies lighting output without user intervention, eliminating the need for complex manual control interfaces or additional control hardware, thereby achieving energy efficiency with minimal added complexity.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS11391454B2Lighting device
Publication Date: 2022.07.19 OPPLE LIGHTING CO LTD
  • US11391454B2 patent drawing
  • US11391454B2 patent drawing
  • US11391454B2 patent drawing

AI summary

The present disclosure discloses a lighting device and relates to the field of lighting technology. The lighting device includes a housing, a light source module, a power supply module, a control module, and a sensing module. The light source module, the power supply module, and the control module are collectively accommodated in an accommodating cavity of the housing. The sensing module is configured to detect environmental information, and the control module is configured to adjust brightness of the light source module in combination with remaining electric quantity of the power supply module and the environmental information, so as to adjust the brightness of the light source module according to the actual use environment and the working conditions of the lighting device itself, thereby achieving the purpose of energy saving.