Atomizer Electrode Connection Layout for Low-Resistance Contact

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Solution Overview

Problem

Existing atomization assemblies face issues with unreliable and labor-intensive electrode connections due to poor welding and large contact resistance, which affect the stability and ease of assembly.

Innovation Solution

An atomization assembly design featuring a cover, base, and heating assembly with a support for the heating element, where electrodes are transversely integrated and bent to connect with electrical connection parts, allowing for elastic contact and electroplated surfaces to prevent oxidation, ensuring stable and reliable electrical connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a lead is welded to the heating element for connection, then contact resistance is low and resistance is stable, but poor welding occurs easily and manual assembly is required consuming large labor

Engineering Contradiction:
Improveconnection reliabilityVSAvoidassembly efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent removes the lead component entirely from the connection system. Instead of welding a lead to the heating element, the heating element's own electrical connection part is directly exposed and contacted by the electrode, eliminating the intermediate lead component that caused welding issues and manual assembly requirements.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The heating element serves its own dual function: it both heats the liquid and provides the electrical connection interface. The electrical connection part of the heating element directly contacts the electrode without requiring external leads or complex welding processes, enabling automatic assembly.

Inventive Principle:
Principle #25Self-service

2Ease of manufacture

If electrodes are in direct contact with contacts at the bottom of heating element, then assembly is simple, but contact resistance is large and contact is poor due to size accuracy issues and deformation

Engineering Contradiction:
Improveassembly simplicityVSAvoidcontact stability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent changes the contact interface from a vertical bottom-contact configuration to a side-contact configuration. The electrode contacts the electrical connection part laterally rather than from below, moving the contact point to a different spatial dimension where dimensional tolerance and deformation have less impact on contact quality.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

Instead of the electrode contacting the bottom of the heating element (conventional approach), the invention inverts the contact orientation so that the electrode contacts the side of the electrical connection part. This inversion allows for better dimensional tolerance and more stable electrical contact.

Inventive Principle:
Principle #13The other way round (Inversion)

3Reliability

If electrical connection part is bent to connect with electrode, then connection reliability is improved and automatic assembly is enabled, but manufacturing complexity increases

Engineering Contradiction:
Improvecontact reliabilityVSAvoidstructural complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent changes the geometric parameters of the electrical connection part by bending it into different configurations (first bending to side, or first bending to side then bending to bottom, or engaging into support). These parameter changes enable reliable contact and automatic assembly while keeping the overall structure relatively simple.

Inventive Principle:
Principle #35Parameter changes

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

Facilitates easy and reliable electrode connections, reduces labor requirements, and minimizes contact resistance, enhancing the assembly's stability and performance.

Implementation Method 1

the main part comprises a heating circuit configured for generating heat to heat and atomize liquid

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

electroplated surfaces to prevent oxidation

Methodology Applied
Scientific EffectElectroplating: Electroplating

Data Source

PatentEP4205579B1Atomization assembly capable of realizing reliable connection of electrodes, and atomization device
Publication Date: 2026.02.18 SHENZHEN HUACHENGDA PRECISION INDUSTRY CO LTD
  • EP4205579B1 patent drawingFigure 1
  • EP4205579B1 patent drawingFigure 2
  • EP4205579B1 patent drawingFigure 3~4

AI summary

An atomization assembly includes a heating assembly, a cover, a base and an electrode. The heating assembly includes a heating element and a support. A compartment is disposed on one of the cover and the base and is open towards the other one of the cover and the base. The heating assembly is disposed in the compartment. The heating element is transversely integrated with the top of the support to be supported by the support. The heating assembly is sandwiched between the cover and the base. The heating element includes a main part used for heating and atomizing liquid and an electrical connection part connected to the main part. The electrical connection part is bent from the top of the support to one side of the support. The electrode is in contact with the portion, bent to one side of the support, of the electrical connection part.