Hybrid Battery Pack Control Using RGB Light Detection

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Solution Overview

Problem

Existing battery pack control methods for hybrid energy storage systems do not perform real-time detection and adaptive adjustment based on lighting conditions, leading to low accuracy in power regulation and energy management.

Innovation Solution

A battery pack control method that includes real-time detection of battery status and lighting conditions, using RGB image analysis to determine light intensity, and adjusts charging and discharging processes through IGBT controllers to optimize energy storage and management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If photoresistor is used for light detection, then the circuit can detect light conditions, but the detection accuracy is low and cannot distinguish between different light intensities and ultraviolet rays

Engineering Contradiction:
Improvelight detection accuracyVSAvoidenergy storage adaptability
Core Design Contradiction:
Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The patent replaces the traditional photoresistor-based mechanical/electrical detection system with an optical detection system using a camera to capture images. The camera captures RGB images of the battery pack, and light intensity is calculated by analyzing the average brightness of pixels in the image, achieving more accurate and versatile light condition detection that can distinguish between different light intensities and ultraviolet rays.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the detection parameter from simple resistance-based photoresistor output to multi-channel RGB color values from camera images. By calculating the average brightness from R, G, and B channel values, the system achieves more precise light intensity measurement and better adaptability for energy storage control under different lighting conditions.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If traditional control methods are used without real-time lighting detection, then the control system is simpler, but the automatic adaptability and power regulation accuracy are low

Engineering Contradiction:
Improveautomatic adaptabilityVSAvoidcontrol system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system performs self-service by automatically capturing images of the battery pack with a camera, calculating light intensity from the image data, and using this information to automatically adjust power supply regulation and energy storage control. This eliminates the need for manual intervention and achieves high automatic adaptability while the added complexity is minimal compared to the performance improvement.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If multiple battery types are connected in parallel, then the system can handle different battery characteristics, but the control complexity increases

Engineering Contradiction:
Improvemultiple battery type compatibilityVSAvoidcontrol circuit complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal control approach where a single control circuit uses camera-based light intensity detection to manage multiple different battery types connected in parallel. The system captures images, calculates light intensity, and applies unified control strategies that adapt to different battery characteristics, achieving multi-functionality without requiring separate control circuits for each battery type.

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

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

Improves the accuracy of energy storage management by dynamically adjusting charging and discharging based on lighting conditions, enhancing the adaptive capability of hybrid energy storage systems.

Implementation Method 1

The main way to develop and utilize solar energy is photovoltaic power generation

Methodology Applied
Scientific EffectPhotovoltaic effect: Photovoltaic Effect

Implementation Method 2

the detection of illumination conditions is to calculate the illumination intensity coefficient value through the color of the RGB image of the battery pack taken in real time

Methodology Applied
Scientific EffectPhotoelectric detection: Photoelectric Effect

Data Source

PatentEP4668525A1Illumination-based control method for battery pack in hybrid energy storage state
Publication Date: 2025.12.24 NAT ENG RES CENT OF ADVANCED ENERGY STORAGE MATERIALS SHENZHEN CO LTD
  • EP4668525A1 patent drawingFigure 1~2
  • EP4668525A1 patent drawingFigure 3~5
  • EP4668525A1 patent drawingFigure 6~7

AI summary

The invention discloses a battery pack control method in a mixed storage state based on light intensity, which includes step S1: detecting the status of multiple energy storage battery packs in real time. When it is in the standby state, it goes to step S2. When it is in the charging state, it goes to step S3, when it is in the discharge state, go to step S4, when it is in the simultaneous charge-discharge state, go to step S5; Step S2: When it is in the standby state: detect the lighting situation, and compare the structure with the current light intensity coefficient value and the set threshold. Adjust the circuit parameters; Step S3: Work in Buck mode when charging; Step S4: Work in Boost mode when discharging; Step S5: When in charge-discharge state, proceed according to the output-input power difference. Adjustment; Step S6: Return to step S1 and cycle through multi-energy storage battery control. This new energy power generation control method can enable the battery pack in mixed storage to safely, stably, quickly and efficiently collect and store new energy.