Air-conditioning light-emitting system

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Solution Overview

Problem

Existing air-conditioning light-emitting systems lack the ability to efficiently control multiple light emitting units in conjunction with air-conditioning units, leading to inefficiencies in lighting and temperature control within a space.

Innovation Solution

An air-conditioning light-emitting system comprising multiple air-conditioning units and light emitting units connected via communication means, allowing for coordinated control of lighting and temperature through a control unit, eliminating the need for direct connections between light emitting units and providing power supply from air-conditioning units.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If light emitting units are directly connected to each other for control, then control capability is improved, but device complexity increases

Engineering Contradiction:
Improvecontrol capabilityVSAvoidconnection structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent introduces air conditioning units as intermediary devices that relay control signals between the controller and light emitting units. The controller communicates with air conditioning units, which then communicate with connected light emitting units, eliminating the need for direct connections between all light emitting units while maintaining full control capability.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If separate power sources are provided for light emitting units, then power supply reliability is improved, but device complexity increases

Engineering Contradiction:
Improvepower supply reliabilityVSAvoidpower supply structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the power supply function into the existing air conditioning units. The air conditioning units that already operate in the space are utilized to provide power to the light emitting units, eliminating the need for separate power sources while maintaining reliable power supply through the established air conditioning infrastructure.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The air conditioning units are given a dual function: they continue to provide air conditioning while simultaneously serving as power supply units for the light emitting units. This multi-functionality reduces overall system complexity by eliminating dedicated power supply components.

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

3Measurement precision

If multiple communication lines are installed for controlling light emitting units, then control precision is improved, but installation complexity increases

Engineering Contradiction:
Improvecontrol precisionVSAvoidinstallation complexity
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The air conditioning units serve as communication intermediaries that relay control signals between the controller and light emitting units. This approach maintains precise control capability while utilizing existing communication infrastructure of the air conditioning system, thereby avoiding the need to install separate dedicated communication lines for lighting control.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP3749061B1Air-conditioning light-emitting system
Publication Date: 2023.03.22 DAIKIN INDUSTRIES LTD
  • EP3749061B1 patent drawingFigure 1
  • EP3749061B1 patent drawingFigure 2
  • EP3749061B1 patent drawingFigure 3

AI summary

Provided is an air-conditioning light-emitting system capable of controlling a plurality of light emitting units that illuminate a space air-conditioned by a plurality of air conditioning units. An air-conditioning light-emitting system (100) including a plurality of indoor units (3) and a plurality of light emitting units (9) includes an indoor communication line (77) that connects the indoor units (3) to each other, light source electric wires (78a to 78i) that connects the indoor units (3) and the light emitting units (9) respectively, and a control unit (70) that controls the plurality of light emitting units (9) using the indoor communication line (77) and the light source electric wires (78a to 78i).