Heat-Pipe Dehumidifier Layout for Low-Power Humidity Control
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Solution Overview
Problem
Existing humidity control apparatuses face challenges in achieving high dehumidifying efficiency while minimizing power consumption due to inefficient dehumidification processes in both vapor-compression and peltier element-based systems.
Innovation Solution
A humidity control apparatus featuring a dehumidifying part with a heat-pipe configuration, a heat-insulating part, and a peltier element that absorbs heat from one side to condense working fluid on the other side, enhancing dehumidification efficiency and reducing power requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a vapor-compression dehumidifier is used to achieve high dehumidification capacity, then the dehumidification capacity is improved, but the power consumption increases and dehumidifying efficiency decreases
Solution Approach 1:
The patent utilizes the phase transition of water from liquid to vapor and back to liquid through controlled evaporation and condensation processes. The dehumidifier evaporates water into the air stream and then condenses it back, leveraging latent heat of vaporization to achieve dehumidification with minimal energy input, directly resolving the contradiction between dehumidification capacity and power consumption
Solution Approach 2:
The system uses the latent heat released during condensation to pre-cool incoming air and the evaporation process to cool the condensation surface, creating a self-sustaining thermal cycle. This self-service mechanism reduces the need for external power input while maintaining high dehumidification capacity, addressing both power consumption and efficiency concerns
2Use of energy by moving object
If a peltier element is used to cool air for dehumidification, then power consumption is reduced, but the cooling capacity and dehumidifying efficiency are low
Solution Approach 1:
The patent combines evaporative cooling, condensation, and latent heat recovery into a single integrated dehumidification system. By merging these processes, the system achieves high cooling capacity through the amplification of latent heat effects while maintaining low power consumption, resolving the contradiction between cooling capacity and power usage
Solution Approach 2:
The system leverages the phase transition of water during evaporation and condensation to amplify cooling effects. The latent heat absorbed during evaporation and released during condensation creates a thermal amplification effect that significantly increases cooling capacity without proportionally increasing power consumption
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 apparatus improves dehumidifying efficiency by reducing the sensible heat load to latent heat load ratio and lowers power consumption, allowing for precise humidity control without the need for additional humidity sensors or wick maintenance.
Implementation Method 1
a main body part (32) that is configured to encapsulate a working fluid therein and to cause a heat-pipe phenomenon
Implementation Method 2
a heat absorption part (34a) that absorbs heat from a base side part (32b) located on one side of the main body part in relation to the heat-insulating part and thereby condenses the working fluid that evaporated into gas
Implementation Method 3
a heat-insulating part (24) fitted externally to the main body part
Implementation Method 4
wherein the dehumidifying part dehumidifies the air by means of condensation of moisture on a surface of the front side part of the main body part where the working fluid in liquid form evaporates therein
Implementation Method 5
dehumidifies the air by means of condensation of moisture on a surface of the front side part of the main body part
Data Source
AI summary
A humidity control apparatus has a humidity control apparatus having a humidifying part for humidifying air and a dehumidifying part for dehumidifying to control humidity of a humidity control space. The dehumidifying part has: a main body part that is configured to encapsulate a working fluid therein and to cause a heat-pipe phenomenon. A heat-insulating part fits externally to the main body part and a heat absorption part absorbs heat from a base side part located on one side of the main body part in relation to the heat-insulating part and thereby condenses the working fluid that evaporated into gas in a front side part located on the other side of the main body part in relation to the heat-insulating part. The dehumidifying part dehumidifies the air by means of the front side part of the main body part where the working fluid in liquid form evaporates.


