Programmable Dehumidifier Using Absolute Humidity for Accurate Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional dehumidification systems that use relative humidity settings often fail to maintain accurate humidity levels due to surrounding conditions, leading to energy wastage and suboptimal conditions in enclosed areas, as they either constantly run or fail to operate when humidity levels deviate from set percentages.
Innovation Solution
A programmable dehumidifier system utilizing absolute humidity settings acquired from an AI system, which includes a processor, sensors, and converters to compare setpoints with real-time data, ensuring efficient operation by turning the compressor on or off based on precise humidity levels, regardless of temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional dehumidification systems use relative humidity settings, then the system can operate with simple controls, but the system fails to maintain accurate humidity levels due to surrounding conditions, leading to energy wastage and suboptimal conditions
Solution Approach 1:
The patent changes the humidity measurement parameter from relative humidity (temperature-dependent) to absolute humidity (temperature-independent). This allows the dehumidifier to accurately measure and control humidity levels without being affected by temperature variations in the surrounding environment, thereby maintaining precise humidity control while avoiding unnecessary operation and reducing energy consumption.
2Ease of operation
If the dehumidifier uses relative humidity settings, then the control system is simple to operate, but the dehumidifier may constantly run or fail to operate due to immediate area humidity variations caused by surrounding conditions
Solution Approach 1:
The system maintains ease of operation by allowing users to set target absolute humidity values through the interface, while the underlying measurement and control mechanism uses absolute humidity instead of relative humidity. This parameter change ensures the dehumidifier reliably maintains the target humidity level throughout the enclosed space without being misled by local temperature variations near the sensor, thus improving reliability while preserving user-friendly operation.
3Adaptability or versatility
If conventional systems use relative humidity, then the system can be programmed with standard percentage settings, but the system cannot distinguish between actual space humidity and immediate area humidity affected by surrounding equipment
Solution Approach 1:
By measuring absolute humidity instead of relative humidity, the system becomes adaptable to environments with varying temperatures and surrounding heat sources. Absolute humidity measurement provides accurate readings of the actual water vapor content in the air, independent of temperature fluctuations caused by nearby equipment, allowing the dehumidifier to correctly assess the overall enclosed space humidity condition.
Data Source
AI summary
An example dehumidifier system may include one or more of a processor, an input display unit, a temperature and humidity censor configured to acquire current temperature and relative humidity data, an analog-to-digital transducer configured to convert, the acquired current temperature and relative humidity data from analog to digital output, a psychrometric converter module executed by the processor to convert the relative humidity data into ratio/absolute humidity data, a digital-to-analog transducer configured to convert the ratio/absolute humidity data into an analog format, a hysteresis comparator unit configured to compare hysteresis setpoint data received from the input display unit with data received from the temperature and humidity censor, and a ratio/absolute humidity setpoint comparator unit configured to compare a ratio/absolute humidity setpoint data received from the input display unit with the converted ratio/absolute humidity data.