RV Air Outlet Control Using Sunlight Sensing for Faster Cooling

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Solution Overview

Problem

Conventional air conditioners for recreational vehicles fail to quickly balance temperature due to neglecting sunlight-induced temperature differences, leading to inefficient cooling and discomfort.

Innovation Solution

An air conditioning unit with photosensitive sensors and a control module that adjusts air outlet areas based on sunlight exposure, directing refrigeration to the side with the lowest resistance value, thereby controlling the refrigeration air outlet direction according to the sunlight direction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional air conditioners supply air downward at fixed angles, then the air conditioning system operates with simple control, but the temperature in the recreational vehicle cannot be reduced in a timely manner and cannot be balanced rapidly due to sunlight-induced temperature differences

Engineering Contradiction:
Improvecooling speedVSAvoidcontrol system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The air outlet angle is changed from a fixed conventional design to a dynamic adjustable design. The control module adjusts the air outlet angle in real-time based on sunlight detection, enabling the system to adapt to changing environmental conditions and rapidly balance temperature throughout the recreational vehicle.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Photosensitive sensors detect sunlight intensity and provide feedback to the control module. This feedback loop enables the system to automatically adjust air outlet angles based on real-time sunlight conditions, significantly improving cooling speed and temperature balancing without requiring complex manual intervention.

Inventive Principle:
Principle #23Feedback

2Productivity

If air conditioners use fixed air supply directions, then the device structure is simple, but the temperature balance in the recreational vehicle is impaired and cooling efficiency is reduced

Engineering Contradiction:
Improvecooling efficiencyVSAvoidair outlet control complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The air outlet direction is transformed from a static fixed structure to a dynamic adjustable structure. The system can change air outlet angles based on detected sunlight positions, maximizing cooling efficiency by directing cold air to the hottest areas of the recreational vehicle.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Different air outlet angles are applied to different regions based on local sunlight exposure. The system identifies which areas receive the most sunlight and directs cooling air preferentially to those locations, creating localized quality adjustments that optimize overall cooling efficiency.

Inventive Principle:
Principle #3Local quality

3Loss of time

If the air conditioning unit adjusts air outlet areas based on sunlight detection, then the temperature balancing speed is improved, but the device complexity increases due to additional sensors and control mechanisms

Engineering Contradiction:
Improvetemperature balancing timeVSAvoidsensor and control system complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

Photosensitive sensors continuously monitor sunlight intensity and provide real-time feedback to the control module. This automatic feedback mechanism reduces temperature balancing time by enabling rapid response to sunlight changes without requiring complex manual control systems.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The air conditioning system performs self-adjustment based on sunlight detection. The control module automatically modifies air outlet angles and areas without user intervention, reducing the time required for temperature balancing while keeping the control system relatively simple through autonomous operation.

Inventive Principle:
Principle #25Self-service

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

This solution enables rapid temperature balancing and efficient cooling in recreational vehicles, improving user comfort and reducing energy consumption by automatically adjusting air outlet areas in response to sunlight exposure.

Implementation Method 1

acquiring, by photosensitive sensors, the sunlight conditions of the recreational vehicle in parking

Methodology Applied
Scientific EffectPhotoelectric Effect: Photoelectric Effect

Data Source

PatentEP4011661B1Air conditioning unit for recreational vehicle and control method thereof
Publication Date: 2024.03.13 GUANDONG GIWEE TECH CO LTD
  • EP4011661B1 patent drawingFigure 1~3
  • EP4011661B1 patent drawingFigure 4

AI summary

The present invention concerns an air conditioning unit and a control method thereof. The control method includes the following steps: S1. detecting the operation status of an air conditioner; S2. acquiring, by photosensitive sensors, the sunlight conditions of a recreational vehicle in parking; and S3. adjusting, by a control module, air outlet areas of the air conditioning unit for the recreational vehicle according to the acquired sunlight conditions and the sunlight exposure side of the recreational vehicle in parking. The control method can adjust the air outlet areas of the air conditioner by checking the operation status of the air conditioner and acquiring the sunlight conditions of the recreational vehicle in parking through the photosensitive sensors, thereby improving the user's sense of comfort.