Detachable Downlight Shell Assembly Simplification

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing downlights have a large number of parts and a complex assembly process, leading to high costs and inefficiencies in design and manufacturing.

Innovation Solution

An easy-to-assemble detachable downlight design featuring a flat shell with a one-piece front hood and back seat, which encircles an accommodating cavity, simplifying assembly and reducing the number of parts through screw connections and eliminating the need for press fitting and clamping, allowing for easy replacement of light source panels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of stationary object

If downlights use thinner light bodies to adapt to small installation spaces, then the downlight thickness is reduced, but the number of parts increases and assembly complexity increases

Engineering Contradiction:
Improvedownlight thicknessVSAvoidassembly complexity
Core Design Contradiction:
Length of stationary objectVSDevice complexity

Solution Approach 1:

The patent merges the light-emitting module, heat dissipation module, and driving module into a single integrated light source panel. This integration reduces the number of separate parts while maintaining the thin profile, directly resolving the contradiction between reduced thickness and increased assembly complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent segments the downlight into two main detachable modules: the light source panel and the shell assembly. This segmentation allows for simplified assembly and disassembly, reducing assembly complexity while maintaining the thin overall structure through optimized module design.

Inventive Principle:
Principle #1Segmentation

2Length of stationary object

If downlights use multiple parts to achieve thin profile, then the downlight thickness is reduced, but manufacturing cost increases

Engineering Contradiction:
Improvedownlight thicknessVSAvoidmanufacturing cost
Core Design Contradiction:
Length of stationary objectVSEase of manufacture

Solution Approach 1:

The patent combines multiple functional components into integrated modules, particularly merging the light-emitting, heat dissipation, and driving functions into the light source panel. This reduces the total number of parts that need to be manufactured and assembled, thereby lowering manufacturing costs while achieving the thin profile requirement.

Inventive Principle:
Principle #5Merging (Combining)

3Length of stationary object

If downlights use integral heat radiation structures to reduce size, then the downlight thickness is reduced, but the number of parts increases

Engineering Contradiction:
Improvedownlight thicknessVSAvoidnumber of parts
Core Design Contradiction:
Length of stationary objectVSQuantity of substance

Solution Approach 1:

The patent integrates the heat dissipation function into the light source panel itself, merging the heat dissipation module with the light-emitting module. This integration eliminates the need for separate heat dissipation components, reducing the number of parts while maintaining the thin profile through efficient thermal management within the integrated panel.

Inventive Principle:
Principle #5Merging (Combining)

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 design simplifies the assembly process, reduces manufacturing costs, and enables efficient heat dissipation, making the downlight suitable for narrow spaces while extending its service life.

Implementation Method 1

The back seat conducts and dissipates heat generated by the light source panel

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

an inner side surface of the conical ring plate is a light reflection surface and faces the light-transmitting part

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentEP3945241B1Easy-to-assemble detachable downlight
Publication Date: 2024.02.21 LEEDARSON GREEN LIGHTING
  • EP3945241B1 patent drawingFigure 1~2
  • EP3945241B1 patent drawingFigure 3~4
  • EP3945241B1 patent drawingFigure 5~6

AI summary

An easy-to-assemble detachable downlight is provided, which belongs to the technical field of lamps. The downlight includes a shell and a light source panel. The shell is flat and includes a front hood and a back seat which are of an integrated structure and are detachably connected and encircle an accommodating cavity. The front hood has a light-transmitting part and a surface ring part. The back seat is used to conduct and dissipate heat and reflect light to the light-transmitting part. The light source panel is located in the accommodating cavity and is detachably mounted on he hanger 342 is also used to be aligned with a locating gap 442 formed in theto be connected to an external power supply. The provided easy-to-assemble detachable downlight is used to solve the technical problems that the existing downlight has a large number of parts for assembling and a complicated assembling process.