Device and method for reducing air humidity in a room

Abstract

A device for reducing air humidity in a room, the device comprising: a housing including an air inlet cross section and an air outlet cross section; a fan unit configured to take air into the air inlet cross section; a refrigeration unit configured to cool the air below a dew point; a first temperature measuring device configured to measure an air temperature of the air taken into the air inlet cross section; a second temperature measuring device configured to measure an air humidity of the air taken into the air inlet cross section; a third temperature measuring device configured to measure a surface temperature of a room boundary surface of the room; and a control device configured to process measured values from the first temperature measuring device, the second temperature measuring device and the third temperature measuring device to control the device for reducing the air humidity in the room.

What is claimed is: 
     
         1 . A device for reducing air humidity in a room, the device comprising:
 a housing including an air inlet cross section and an air outlet cross section;   a fan unit configured to take air into the air inlet cross section;   a refrigeration unit configured to cool the air below a dew point; and   a condensate container, configured to collect a precipitated condensate;   a first temperature measuring device configured to measure an air temperature of the air taken into the air inlet cross section;   a second temperature measuring device configured to measure an air humidity of the air taken into the air inlet cross section;   a third temperature measuring device configured to measure a surface temperature of a room boundary surface of the room; and   a control device configured to process measured values from the first temperature measuring device, the second temperature measuring device and the third temperature measuring device to control the device for reducing the air humidity in the room.   
     
     
         2 . The device according to  claim 1 , wherein the refrigeration unit includes a refrigerant cycle. 
     
     
         3 . The device according to  claim 1 , wherein the refrigeration unit is formed by a Peltier element. 
     
     
         4 . The device according to  claim 1 , the third temperature measuring device is an infrared temperature measuring device. 
     
     
         5 . The device according to  claim 1 , further comprising a heating device by which dehumidified air is heatable before exiting from the air outlet cross section. 
     
     
         6 . The device according to  claim 1 , further comprising a filter that is arranged in a portion of the air inlet cross section. 
     
     
         7 . The device according to  claim 1 , wherein the air outlet cross section is formed by at least one nozzle which is configured to generate a turbulent flow of the air exiting from the housing. 
     
     
         8 . A method for reducing air humidity in a room, the method comprising the steps:
 taking in air from the room by a fan unit through an air intake cross section into a housing of a device for reducing air humidity;   cooling the air by a refrigeration unit in the housing below a dew point;   pressing the air through an air outlet cross section from the housing; and   collecting precipitating condensate in a condensate container;   measuring an air temperature of the air taken in through the air intake cross section;   measuring an air humidity of the air taken in through the air intake cross section;   measuring a surface temperature of a room boundary surface of the room; and   processing measured values for the air temperature, the air humidity and the surface temperature; and   controlling the device for reducing the air humidity as a function of the measured values.   
     
     
         9 . The method according to  claim 8 , wherein cooling the air is performed by a refrigeration cycle. 
     
     
         10 . The method according to  claim 8 , wherein cooling the air is performed by a Peltier element. 
     
     
         11 . The method according  claim 8 , wherein the air is run after precipitating the condensate so that the air is heated by waste heat generated by the refrigeration unit. 
     
     
         12 . The method according to  claim 8 , wherein the air is run after precipitating the condensate so that the air is heated by a heating device. 
     
     
         13 . The method according to  claim 8 , wherein the air is filtered after passing through the air intake cross section. 
     
     
         15 . The method according to  claim 8 , wherein the air is flowed from the housing in a turbulent manner through at least one nozzle after precipitating the condensate.