Hydrogen Generator Sound-Proof Humidifying Module and Power Cooling

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Hydrogen generators produce noise due to gas flow disturbances in humidifying modules and suffer reduced efficiency from elevated temperatures, affecting user experience and electrolysis performance.

Innovation Solution

A hydrogen generator with a sound-proof shield and new power module design that includes a sound-proof cavity, heat-dissipation fins, and a detachable filter channel device to reduce noise and enhance heat dissipation, along with a stack-type assembly for improved condensation and filtration efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If gas flows through the humidifying module to humidify hydrogen, then humidification efficiency is improved, but noise is generated due to gas flow disturbances and water surface vibration

Engineering Contradiction:
Improvehumidification efficiencyVSAvoidnoise
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent extracts the harmful noise-generating function from the humidifying module by introducing a separate sound-proof shield. The gas flow path is divided into two channels: one for effective humidification and another enclosed path for noise isolation. This separates the useful humidification function from the harmful noise generation, allowing both to coexist without compromising each other.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The sound-proof shield acts as an intermediary element between the gas flow and the external environment. It introduces a water-filled cavity that serves as a mediator to absorb and dampen noise vibrations while allowing the gas flow to continue its humidification function. The shield transfers the noise energy into the water medium where it is dissipated.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If electronic components operate in the hydrogen generator, then device functionality is improved, but heat is generated that reduces electrolysis efficiency

Engineering Contradiction:
Improvedevice functionalityVSAvoidoperating temperature
Core Design Contradiction:
Adaptability or versatilityVSTemperature

Solution Approach 1:

The patent extracts the heat-generating electronic components from the main electrolysis chamber and relocates them to a separate housing structure. This spatial separation removes the harmful thermal influence from the electrolysis process while preserving the necessary electronic control functions. The electrolysis module can now operate in a cooler environment maintained by water circulation.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces passive heat accumulation with an active water circulation cooling system. Instead of relying on natural convection or radiation, a pump-driven water flow actively removes heat from electronic components and transfers it to the electrolysis water, converting a thermal problem into a controlled heat exchange process that benefits electrolysis efficiency.

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

3Duration of action of stationary object

If overall operating temperature increases due to electronic component heat, then device operation is maintained, but electrolysis efficiency is reduced

Engineering Contradiction:
Improvedevice operationVSAvoidelectrolysis efficiency
Core Design Contradiction:
Duration of action of stationary objectVSProductivity

Solution Approach 1:

The patent makes the water circulation system multi-functional: it serves both as the electrolyte for hydrogen generation and as a cooling medium for electronic components. This universal water system simultaneously supports electrolysis operations and thermal management, eliminating the need for separate cooling systems and ensuring electrolysis water remains at optimal temperature for high efficiency.

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

Solution Approach 2:

The patent establishes continuous water circulation that constantly removes heat from electronic components and delivers cooled water to the electrolysis chamber. This continuous action prevents temperature buildup that would reduce electrolysis efficiency, maintaining stable operating conditions throughout the device's operation without interruption or performance degradation.

Inventive Principle:
Principle #20Continuity of useful action

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

The design effectively blocks sound, enhances user experience, improves condensation and filtration efficiency, and maintains high operating efficiency by reducing noise and heat-related issues.

Implementation Method 1

The sound-proof shield is disposed in the humidifying chamber and has a sound-proof cavity configured to accommodate the diffusing device

Methodology Applied
Scientific EffectAcoustic absorption: Acoustic Absorption

Implementation Method 2

The power module is configured to supply electric energy to the electrolysis module and includes a base, a first circuit board, a second circuit board, and a fan. The base has a first outer surface and a second outer surface opposite to each other and includes a heat-dissipation channel located between the first outer surface and the second outer surface.

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 3

the base has a first inner surface and a second inner surface opposite to each other and includes a plurality of heat-dissipation fins. The heat-dissipation fins respectively extend inward from the first inner surface and the second inner surface into the heat-dissipation channel

Methodology Applied
Scientific EffectThermal radiation: Thermal Radiation

Implementation Method 4

The fan is disposed at one end of the base and is configured to introduce ambient air into the heat-dissipation channel

Methodology Applied
Scientific EffectForced convection: Forced Convection

Implementation Method 5

The electrolysis module is configured to receive the electrolysis water from the water tank and electrolyze the electrolysis water to generate and output a gas comprising hydrogen

Methodology Applied
Scientific EffectElectrolysis: Electrolysis

Implementation Method 6

The humidifying module is stacked above the water tank and configured to humidify the gas comprising hydrogen

Methodology Applied
Scientific EffectEvaporation: Evaporation

Data Source

PatentEP4715089A1Hydrogen generating device provided with sound insulation cover and hydrogen generating device provided with novel power module
Publication Date: 2026.03.25 LIN HSIN YUNG
  • EP4715089A1 patent drawingFigure 1
  • EP4715089A1 patent drawingFigure 2
  • EP4715089A1 patent drawingFigure 3

AI summary

Ahydrogen generator includes a water tank configured to contain electrolysis water, an electrolysis module disposed in the water tank and configured to electrolyze the electrolysis water to generate a gas comprising hydrogen, a humidifying module having a humidifying chamber configured to contain supplement water, a diffusing device disposed in the humidifying module and configured to diffuse the gas comprising hydrogen, and a sound-proof shield disposed in the humidifying module and including a sound-proof cavity, a connecting tube communicating the water tank and the diffusing device, and a gas outlet. The gas comprising hydrogen flows through the connecting tube and the diffusing device to the supplement water in the sound-proof cavity, and then passes through the gas outlet to the humidifying chamber. The sound-proof shield blocks sound generated by the gas comprising hydrogen flowing in the device, thereby improving user experience.