Heating device and partial rinsing device using same
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Solution Overview
Problem
Conventional heating apparatuses for private part cleaning devices have large volumes due to inefficient heat exchange between the heating cavity and buffer water tank, leading to unstable outlet water temperatures and increased component count for safety measures.
Innovation Solution
A compact heating apparatus with a first cavity for heating fluid, a second cavity for heat exchange, a heat conducting member to isolate cavities, a temperature detector, and a controller for precise temperature control, eliminating the need for a large buffer tank and additional safety devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a large volume buffer water tank is used to mix superheated water with normal-temperature water, then the outlet water temperature stability is improved, but the overall volume of the heating apparatus increases
Solution Approach 1:
The heating apparatus is segmented into two functional cavities: a heating cavity for rapid water heating and a buffer cavity for temperature stabilization. This segmentation allows each cavity to perform its specific function efficiently without requiring a large overall buffer tank volume, thus resolving the contradiction between temperature stability and apparatus miniaturization
Solution Approach 2:
A heat conducting member serves as an intermediary between the heating cavity and buffer cavity, enabling efficient heat exchange. This intermediary allows the buffer cavity to rapidly absorb excess heat from the heating cavity, stabilizing outlet temperature without requiring a large buffer volume
2Device complexity
If a narrow water path is used between heating cavity and buffer water tank, then the heating apparatus structure is simplified, but heat exchange efficiency deteriorates
Solution Approach 1:
A heat conducting member is introduced as an intermediary between the heating cavity and buffer cavity. This heat conducting member provides a large heat exchange surface area while maintaining a simple structural connection, thus improving heat exchange efficiency without increasing device complexity
Solution Approach 2:
The heat conducting member changes the thermal conduction parameters by providing a high thermal conductivity path between cavities. This parameter change enables efficient heat transfer through a compact structure, resolving the contradiction between structural simplicity and heat exchange efficiency
3Reliability
If additional devices such as flowmeter are added to detect abnormal situations, then the safety is improved, but the component count and cost increase
Solution Approach 1:
A temperature detector is positioned in the buffer cavity to provide real-time feedback on water temperature. This feedback mechanism enables the controller to detect abnormal heating situations (such as water supply cutoff) and respond appropriately, improving safety without requiring additional complex components like flowmeters
Solution Approach 2:
The buffer cavity serves a dual function: it stabilizes outlet temperature and simultaneously acts as a safety monitoring zone for the temperature detector. This self-service approach allows the system to detect abnormalities using existing components, reducing the need for additional safety devices
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 achieves stable outlet water temperatures, reduces apparatus volume, and enhances safety by rapid temperature feedback and control, eliminating the need for additional components like flowmeters, thus minimizing costs and ensuring user comfort.
Implementation Method 1
a heating member (230), a second cavity (250)... The heating member is configured to heat a fluid in the first cavity
Implementation Method 2
The heat conducting member is configured to isolate the first cavity from the second cavity... the fluid performs heat exchange with the fluid in the first cavity via the heat conducting member
Data Source
AI summary
A heating device apparatus is provided, which includes: a first cavity, a heating member, a second cavity, a heat conducting member, a temperature detector and a controller. The heating member heats the fluid in the first cavity. The fluid inlet of the second cavity is in communication with the fluid outlet of the first cavity. The heat conducting member isolates the first cavity from the second cavity. The temperature detector detects the temperature of the fluid in the second cavity. The controller controls the heating of the heating member according to the temperature detected by the temperature detector. The fluid flows into the first cavity, is heated by the heating member, then flows into the second cavity, and performs heat exchange with the fluid in the first cavity through the heat conducting member when the fluid flows through the second cavity.