Bidet Internal Drying Mechanism for Moisture Control

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Bidets are prone to moisture penetration, which can lead to corrosion of electronic components and potential electrical hazards, necessitating an effective internal drying solution to extend product lifespan and ensure user safety.

Innovation Solution

A bidet with an internal drying function featuring a humidity sensor, control unit, and drier system that generates airflow through a drying duct and guide member to direct air flow into the bidet's interior, facilitating moisture removal and preventing corrosion and electrical hazards.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If bidet is installed in bathroom with moisture exposure, then bidet can perform washing functions, but electronic components inside bidet are vulnerable to corrosion and damage

Engineering Contradiction:

Improvewashing functionVSAvoidelectronic component durability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent utilizes the moisture and humidity already present in the bathroom environment to drive the drying mechanism. The humidity sensor detects moisture levels, and the blower creates airflow that leverages the temperature differential between the warm air generated by the bidet's heating elements and the cooler ambient bathroom air, converting the harmful moisture into a beneficial drying force that protects electronic components

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

2Reliability

If bidet includes drying function with blower and duct, then moisture can be removed from inside bidet, but device complexity increases

Engineering Contradiction:

Improvemoisture removal capabilityVSAvoiddrying system structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The bidet system integrates multiple functions into unified components. The blower serves both the washing function (providing airflow for water delivery) and the drying function. The duct system is used for both water spray delivery and air circulation for drying. The temperature control system manages both heating for comfort and heating for moisture evaporation, reducing the need for separate dedicated drying components

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the drying mechanism with existing bidet components. The blower that generates water spray for washing is also used to create drying airflow. The ductwork that delivers water is repurposed or integrated with the air circulation path. The heating elements that provide thermal comfort also facilitate moisture evaporation, merging multiple functions into fewer components

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If moisture penetrates into bidet interior, then electronic components may be damaged, but user safety is compromised due to leakage current

Engineering Contradiction:

Improvecomponent protectionVSAvoidelectrical hazard

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The humidity sensor continuously monitors moisture levels inside the bidet before corrosion or electrical hazards can develop. The system proactively activates the drying function when humidity exceeds thresholds, preventing moisture accumulation that could lead to component failure or electrical leakage. This preventive approach addresses potential hazards before they manifest

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent implements a closed-loop control system where the humidity sensor provides continuous feedback on moisture levels inside the bidet. The control unit processes this feedback and automatically adjusts the blower and heating element operation accordingly. This feedback mechanism ensures moisture is removed promptly when detected, maintaining electrical safety and component protection without requiring user intervention

Inventive Principle:

Principle #23Feedback

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 system effectively removes moisture from the bidet's interior, reducing the risk of corrosion and electrical hazards, thereby extending the product's lifespan and ensuring user safety while maintaining existing component functionality.

Implementation Method 1

a blower generating air flow

Methodology Applied

Scientific EffectAir flow generation:

Implementation Method 2

a heating element heating the air

Methodology Applied

Scientific EffectHeating: Heating

Implementation Method 3

a guide member disposed on a side of the drying duct and guiding the air

Methodology Applied

Scientific EffectAir flow guidance:

Data Source

PatentEP3159458B1Bidet having internal drying function and method for drying inside of bidet

Publication Date: 2021.08.04 COWAY CO LTD

Figure 1
Figure 2~3
Figure 4~5A

AI summary

A bidet according to an embodiment of the present invention comprises: a frame having a humidity sensor; and a drier, provided on the inside of the frame, for spraying air to the genital or anal area of a user and drying the area, wherein the drier may comprise: a blower for generating the flow of air; a drying duct which is coupled to the blower so as to provide a path through which air generated by the blower flows; and a guide member which is provided at one side of the drying duct so as to guide the air into a discharge port or the inside of the frame.