Dual Tank Flushing Assembly with Vacuum Breaker
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Solution Overview
Problem
Conventional toilet flushing systems face challenges such as electrical assembly damage from water leaks, insufficient flushing water volume, inadequate flushing speed, and inefficient water usage, particularly in toilets with limited space and rectangle-shaped or sharp turning inner surfaces, leading to incomplete bowl cleaning and inefficient water consumption.
Innovation Solution
The design incorporates a flushing assembly with a dual water tank system, a vacuum breaker, and a check valve to separate electrical components from water passages, enhance water supply volume, and optimize water flow for effective bowl cleaning and faeces discharge, using a jet flow element and siphon jet holes to ensure thorough flushing and water savings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the water tank height is increased to enlarge flushing water volume, then the flushing water volume is improved, but the toilet bottom profile becomes larger and the structure more complex
Solution Approach 1:
The water tank is divided into two separate tanks: a main water tank and an auxiliary water tank. The main water tank stores flushing water while the auxiliary water tank stores clean water for replenishment. This segmentation allows the flushing water volume to be sufficient without requiring excessive total tank volume, as the auxiliary tank can be positioned in the air gap space above the main tank's water level.
Solution Approach 2:
The auxiliary water tank is positioned in the air gap space above the main water tank, utilizing vertical three-dimensional space rather than only horizontal expansion. This allows the system to increase water storage capacity without increasing the toilet's horizontal footprint, effectively using the vertical dimension to resolve the space constraint.
2Reliability
If water passage elements are arranged at both left and right sides to ensure clean water supply, then the water supply reliability is improved, but the electrical assembly is exposed to water leak risk
Solution Approach 1:
The electrical assembly is extracted and positioned outside the water tank area, specifically in the air gap space above the main water tank. This separation removes the electrical components from the water-prone environment while maintaining water supply reliability through the dual-tank configuration with the vacuum breaker positioned near the water inlet.
3Device complexity
If a single water tank is used to simplify the structure, then the device complexity is reduced, but the flushing water volume becomes insufficient
Solution Approach 1:
The main water tank and auxiliary water tank are merged into a unified water supply system where both tanks work together to provide sufficient flushing water volume. The vacuum breaker connects both tanks to the water inlet, allowing them to function as an integrated system while maintaining structural simplicity through shared components.
4Device complexity
If the water tank is positioned at the right side to match the water input port, then the water flow path is simplified, but the electrical assembly must cross water passage elements increasing leak risk
Solution Approach 1:
The electrical assembly is extracted from the water tank area and positioned in the air gap space above the main water tank. This allows the water tank to be positioned at the right side for simplified water flow path while the electrical components remain in a dry environment, eliminating the contradiction between water flow simplification and electrical safety.
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 separates electrical and water systems, increases flushing water volume, ensures thorough bowl cleaning, and reduces water consumption by optimizing water flow and using the siphon effect for efficient faeces discharge.
Implementation Method 1
a vacuum breaker... to make sure that clean water is conveyed into a water tank
Implementation Method 2
using a jet flow element and siphon jet holes to ensure thorough flushing and water savings
Data Source
AI summary
A check valve includes a lower sealing element; an upper sealing element including a flexible part configured to seal the lower sealing element; and a supporting element including a plurality of hollow parts. The supporting element is configured to be mounted in the lower sealing element and mounted at a side where clean water flows into the lower sealing element.