Liquid-Cooled Cabinet Sealing With Optical Status Indication

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Solution Overview

Problem

Liquid cooling methods for electronic devices require sealing, which prevents the determination of operating statuses of electronic components, and existing solutions do not effectively combine sealing with the ability to monitor component status.

Innovation Solution

An electronic device with a housing and an indication module that includes a sealing assembly with a light-transmitting portion, allowing light from an indicator light to pass through and indicate the operating status while maintaining sealing, and a coolant circulation system with a coolant distribution unit for continuous heat dissipation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If the housing is sealed for liquid cooling, then heat dissipation performance is improved, but the operating status of electronic components cannot be determined

Engineering Contradiction:
Improveheat dissipation performanceVSAvoidoperating status information
Core Design Contradiction:
TemperatureVSLoss of information

Solution Approach 1:

A light-transmitting sealing assembly is introduced as an intermediary component that allows light to pass through while maintaining the seal. The sealing assembly includes a light-transmitting portion that enables optical communication between the interior and exterior of the sealed housing, allowing users to monitor operating status through light variations without compromising the liquid seal integrity

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The indicator light changes its light emission state (on/off or color variation) to indicate the operating status of electronic components. This optical signaling method allows information transmission through the light-transmitting sealing assembly, converting internal electrical states into visible optical signals that can be perceived externally while maintaining sealing

Inventive Principle:
Principle #32Color changes

2Loss of information

If a sealing assembly with light-transmitting portion is used, then operating status can be monitored, but the sealing performance may be compromised

Engineering Contradiction:
Improveoperating status monitoringVSAvoidsealing performance
Core Design Contradiction:
Loss of informationVSReliability

Solution Approach 1:

The sealing function and light transmission function are merged into a single integrated sealing assembly. The light-transmitting portion is incorporated directly into the sealing structure, allowing both sealing and optical communication to coexist without requiring separate components that might compromise either function

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The sealing assembly utilizes composite material structures that combine sealing-capable materials with light-transmitting properties. This allows the same component to provide both the liquid seal necessary for cooling and the optical transparency needed for status indication

Inventive Principle:
Principle #40Composite materials

3Device complexity

If the indicator light is mounted directly in the housing, then the structure is simplified, but the housing sealing is compromised

Engineering Contradiction:
Improvestructure complexityVSAvoidhousing sealing
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The mounting slot is segmented into two portions: a first portion for receiving the sealing assembly and a second portion for receiving the indicator light. This segmentation allows the sealing assembly to be positioned separately from the light source, enabling the seal to maintain integrity while the light can pass through the light-transmitting portion to indicate status

Inventive Principle:
Principle #1Segmentation

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 solution enables the monitoring of operating statuses through light variations while ensuring effective sealing and continuous liquid-cooling heat dissipation, enhancing the sealing performance and usability of the electronic device.

Implementation Method 1

The sealing assembly includes a light-transmitting portion, and the light emitted by the indicator light is capable of passing through the light-transmitting portion to reach the exterior of the housing

Methodology Applied
Scientific EffectLight transmission: Light

Implementation Method 2

a liquid cooling method is generally used to perform full-immersion heat dissipation on electronic components inside electronic devices

Methodology Applied
Scientific EffectLiquid cooling: Convection

Implementation Method 3

The accommodation cavity is configured to accommodate a cooling medium

Methodology Applied
Scientific EffectHeat dissipation: Heat Exchanger

Data Source

PatentUS20250275087A1Electronic device and liquid-cooled cabinet
Publication Date: 2025.08.28 XFUSION DIGITAL TECH CO LTD
  • US20250275087A1 patent drawing
  • US20250275087A1 patent drawing
  • US20250275087A1 patent drawing

AI summary

Provided in this disclosure are an electronic device and a liquid-cooled cabinet. The electronic device includes a housing and an indication module. The housing is provided with an accommodation cavity and a mounting slot. The mounting slot is in communication with the accommodation cavity and the exterior of the housing. The accommodation cavity is configured to accommodate a cooling medium. The indication module includes an indicator light and a sealing assembly. The indicator light and the sealing assembly are mounted in the mounting slot. The sealing assembly is located on a side of the indicator light facing away from the accommodation cavity and seals the mounting slot. The sealing assembly includes a light-transmitting portion, and the light emitted by the indicator light can pass through the light-transmitting portion to reach the exterior of the housing.