Temperature-Based Adaptive Dehumidification System

Abstract

Disclosed is a temperature-based adaptive dehumidification system for an air-conditioning environment, including: a temperature sensing device provided to sense temperature of the air-conditioning environment to obtain environmental temperature information; a humidity sensing device provided to sense humidity of the air-conditioning environment to obtain environmental humidity information; and a dehumidifying device which obtains a referenced humidity range which corresponds to the obtained environmental temperature information by means of a calculation in reference to a predetermined reference relationship of temperature-humidity. A controller performs a comparison between the obtained environmental humidity information and the referenced humidity range thereby, and when the obtained environmental humidity information is not within the referenced humidity range, enables the dehumidifying device to perform a dehumidifying process for the air-conditioning environment so as to automatically regulate humidity to the most appropriate degree for the user according to environment temperature.

What is claimed is: 
     
         1 . A temperature-based adaptive dehumidification system for an air-conditioning environment, comprising:
 a temperature sensing device provided to sense temperature of the air-conditioning environment to obtain environmental temperature information;   a humidity sensing device provided to sense humidity of the air-conditioning environment to obtain environmental humidity information; and   a dehumidifying device including a hygroscopic wheel, a heater and a controller, wherein the hygroscopic wheel is in air communication with the air-conditioning environment to absorb moisture therefrom, the heater is in thermal connection with the hygroscopic wheel to heat moisture absorbed by the hygroscopic wheel so as to evaporate moisture from the hygroscopic wheel, and the controller is electrically connected to the temperature sensing device, the humidity sensing device and the heater in such a manner that the controller obtains a referenced humidity range which corresponds to the obtained environmental temperature information by means of a calculation in reference to a predetermined reference relationship of temperature-humidity, and then the controller performs a comparison between the obtained environmental humidity information and the referenced humidity range thereby, when the obtained environmental humidity information is not within the referenced humidity range, enabling dehumidifying device to perform a dehumidifying process for the air-conditioning environment.   
     
     
         2 . The temperature-based adaptive dehumidification system as claimed in  claim 1 , wherein when the temperature of the air-conditioning environment is in a range between 15.5° C. and 24° C., the predetermined reference relationship of temperature-humidity is a function of:
 Y≦(−20/8.5) X+(1640/17)±5, wherein X (° C.) is the temperature of the air-conditioning environment and Y (%) is the humidity of the air-conditioning environment, and 
 wherein the controller is configured to: 
 substitute the obtained environmental temperature information for the X and substitute the obtained environmental humidity information for the Y, and 
 perform the dehumidifying process for the air-conditioning environment when the obtained environmental humidity information is not within the referenced humidity range. 
 
     
     
         3 . The temperature-based adaptive dehumidification system as claimed in  claim 2 , wherein the controller is configured to, when the obtained environmental humidity information is within the referenced humidity range, not perform the dehumidifying process. 
     
     
         4 . The temperature-based adaptive dehumidification system as claimed in  claim 1 , wherein, in the predetermined reference relationship of temperature-humidity, the controller is configured to perform the dehumidifying process for the air-conditioning environment when the temperature of the air-conditioning environment is higher than 24° C., the referenced humidity range is less than or equal to 40%, and the obtained environmental humidity information is not within the referenced humidity range. 
     
     
         5 . The temperature-based adaptive dehumidification system as claimed in  claim 1 , wherein, in the predetermined reference relationship of temperature-humidity, the controller is configured to perform the dehumidifying process for the air-conditioning environment when the temperature of the air-conditioning environment is lower than 15.5° C., the referenced humidity range is greater than or equal to 60%, and the obtained environmental humidity information is not within the referenced humidity range. 
     
     
         6 . The temperature-based adaptive dehumidification system as claimed in  claim 4 , wherein the controller is configured to, when the obtained environmental humidity information is within the referenced humidity range, not perform the dehumidifying process. 
     
     
         7 . The temperature-based adaptive dehumidification system as claimed in  claim 1 , wherein the controller is configured to activate the hygroscopic wheel when the heater is performing a heating operation. 
     
     
         8 . The temperature-based adaptive dehumidification system as claimed in  claim 1 , wherein the heater is disposed in a position corresponding to a wind outflow side of the hygroscopic wheel. 
     
     
         9 . The temperature-based adaptive dehumidification system as claimed in  claim 1 , further comprising a filtering device and an air velocity sensing device,
 wherein the filtering device is disposed in a position corresponding to a wind inflow side of the hygroscopic wheel and disposed between the hygroscopic wheel and the air-conditioning environment so as to filter airflow which flows from the air-conditioning environment to the hygroscopic wheel, and   wherein the air velocity sensing device is disposed in a position between the filtering device and the hygroscopic wheel so as to sense an air velocity of the airflow which flows from the air-conditioning environment through the filtering device.   
     
     
         10 . The temperature-based adaptive dehumidification system as claimed in  claim 1 , further comprising a condensing device, wherein the condensing device and the heater are disposed at opposite sides of the hygroscopic wheel, and the condensing device is provided to condense the moisture which is evaporated by the heater and then flows through a condensation inlet of condensing device from the hygroscopic wheel to the condensing device. 
     
     
         11 . The temperature-based adaptive dehumidification system as claimed in  claim 10 , wherein the condensing device is provided with a cooling passage which is connected to an air inlet provided between the hygroscopic wheel and the air-conditioning environment. 
     
     
         12 . The temperature-based adaptive dehumidification system as claimed in  claim 10 , wherein the condensing device includes a steam guiding hood, a heat exchanger and a drainage member,
 wherein the steam guiding hood, connected to the hygroscopic wheel, forms a steam guiding passage in such a manner that an upper portion of the steam guiding passage is connected with the heat exchanger to guide the moisture evaporated by the heater to the heat exchanger, and a lower portion of the steam guiding passage is in air communication with the drainage member to drain condensation inside the steam guiding hood.   
     
     
         13 . The temperature-based adaptive dehumidification system as claimed in  claim 10 , wherein the condensing device includes a steam-water splitting member connected to a lower portion of the heat exchanger, the steam-water splitting member is provided with a water outlet and a reflux outlet located at a height level higher than that of the water outlet. 
     
     
         14 . The temperature-based adaptive dehumidification system as claimed in  claim 10 , further comprising a water tank connected to a drainage portion of the condensing device. 
     
     
         15 . The temperature-based adaptive dehumidification system as claimed in claim  13 , the steam-water splitting member further including a reflux channel and a reflux fan, wherein the reflux channel is in air communication with the reflux outlet and is connected to the heater, and the reflux fan is disposed at the reflux channel to draw airflow from the reflux outlet into the heater. 
     
     
         16 . The temperature-based adaptive dehumidification system as claimed in  claim 14 , further comprising a water level detecting device including two electrodes and a determining unit, wherein the two electrodes are provided in the water tank and each electrode has a dielectric constant detecting surface in such a manner that the dielectric constant detecting surface of one electrode faces forward the dielectric constant detecting surface of another electrode, a water level detecting space is formed between the two dielectric constant detecting surfaces, and the determining unit is connected to the two electrodes to determine a water level of the water tank according to a dielectric constant detected in the water level detecting space. 
     
     
         17 . The temperature-based adaptive dehumidification system as claimed in  claim 16 , further comprising a pump, which is electrically connected to the determining unit to pump out water from the water tank when the water level of the water tank exceeds a predetermined water level threshold. 
     
     
         18 . The temperature-based adaptive dehumidification system as claimed in  claim 5 , wherein the controller is configured to, when the obtained environmental humidity information is within the referenced humidity range, not perform the dehumidifying process. 
     
     
         19 . The temperature-based adaptive dehumidification system as claimed in  claim 12 , further comprising a water tank connected to a drainage portion of the condensing device. 
     
     
         20 . The temperature-based adaptive dehumidification system as claimed in  claim 13 , further comprising a water tank connected to a drainage portion of the condensing device.