Aquarium Water Filter Floating Ball Alerting Mechanism

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Solution Overview

Problem

Existing water filtration systems for aquariums lack a mechanism to timely alert users when the filter cartridge becomes saturated, leading to poor water quality and premature replacement, affecting fish health and causing unnecessary costs.

Innovation Solution

A plug-in water filter with a floating-ball-type indicating apparatus comprising a floating ball, connecting rod, and color scale that alerts users to replace the cartridge when the water level rises due to blockage, using a transparent visual cover to display an alerting color when the filter cartridge is blocked.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If no indication mechanism is provided, then the device structure remains simple, but users cannot timely detect filter cartridge blockage, leading to poor water quality and fish health issues

Engineering Contradiction:
Improvewater qualityVSAvoiddevice structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The filter system performs self-detection of blockage status through the floating ball mechanism that automatically responds to water level changes caused by filter cartridge saturation, eliminating the need for external monitoring devices or user intervention to detect blockage

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system provides visual feedback to users through the color scale that becomes visible when the floating ball rises to a certain water level, creating a closed-loop information system that informs users of filter cartridge status without complex electronics

Inventive Principle:
Principle #23Feedback

2Reliability

If filter cartridge is replaced prematurely, then water quality is maintained, but usage costs increase due to unnecessary replacements

Engineering Contradiction:
Improvewater qualityVSAvoidusage cost
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The patent replaces electronic sensors and automated systems with a simple mechanical floating ball indicator system that provides sufficient information for timely filter cartridge replacement, achieving reliable monitoring at minimal cost

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

3Difficulty of detecting and measuring

If floating ball indicator is added to detect water level rise, then filter cartridge blockage can be detected, but device complexity increases

Engineering Contradiction:
Improveblockage detectionVSAvoidindicating apparatus
Core Design Contradiction:
Difficulty of detecting and measuringVSDevice complexity

Solution Approach 1:

The patent employs inexpensive, simple components like a floating ball, connecting rod, and color scale that can be easily manufactured and replaced if needed, providing effective blockage detection without investing in complex or expensive monitoring systems

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The system uses color as a visual signal mechanism where the color scale becomes visible or changes appearance based on water level, providing intuitive blockage detection through optical rather than mechanical or electronic means

Inventive Principle:
Principle #32Color 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

The solution effectively reminds users to replace the filter cartridge in a timely manner, ensuring water quality and reducing unnecessary replacements, thus saving usage costs and maintaining healthy aquarium conditions.

Implementation Method 1

a floating ball, a connecting rod and a color scale, the connecting rod mounted rotatably on an inside vertical wall of the filter or an inner surface of the filter upper cover with the help of a hinge support, wherein the floating ball is arranged at the front end of the connecting rod

Methodology Applied
Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Data Source

PatentEP3009179B1Water filter with filter cartridge block alerting and alerting method
Publication Date: 2019.08.07 SHENZHEN XING RISHENG INDAL
  • EP3009179B1 patent drawingFigure 1
  • EP3009179B1 patent drawingFigure 2
  • EP3009179B1 patent drawingFigure 3

AI summary

A water filter with alarm function for indicating blockage of a filter cartridge thereof and an alarm method are provided. The filter main body (3) is provided with a filter cartridge (4) and is arranged with a before-filtering water cavity (31). A filter upper cover (1) covers the top of the filter main body (3). The before-filtering water cavity (31) is accommodated with a floating-ball-type indicating apparatus (2), which comprises a floating ball (21), a connecting rod (22) and a color scale (23). The connecting rod (22) is mounted rotatably on an inner surface of the filter upper cover (1) with the aid of a hinge support (12). The floating ball (21) is arranged at the front end of the connecting rod (22). The color scale is also arranged on the connecting rod (22). A transparent visual cover (11) that matches with the color scale (23) is arranged on the upper surface of the filter upper cover (1).