Method and apparatus for heat radiation of illumination for growing plant

Abstract

A method for radiating a heat of illumination for growing plant includes: detecting an external temperature and an internal temperature of a plant growth chamber, and when the external temperature is higher than the internal temperature, executing a first heat radiation in which a cold air generated from a cooling system of a building is introduced into a ventilation/air-conditioning duct to which a rear side of the lights is exposed. The method further includes, when the internal temperature is higher than the external temperature, executing a second heat radiation mode in which an external cold air is introduced into the ventilation/air-conditioning duct.

1 . A method for radiating a heat of illumination for growing plant comprising:
 detecting an external temperature and an internal temperature of a plant growth chamber in which multiple lights are installed, respectively;   when the external temperature is higher than the internal temperature, executing a first heat radiation mode in which a cold air generated by actuating a cooling system of a building in which the plant growth chamber is installed is introduced into a ventilation/air-conditioning duct to which a rear side of the lights is exposed; and   when the internal temperature is higher than the external temperature, executing a second heat radiation mode in which an external cold air is introduced into the ventilation/air-conditioning duct.   
     
     
         2 . The method of  claim 1 , further comprising:
 checking whether or not a heating mode is set to re-use the air introduced into the ventilation/air-conditioning duct, for a heating operation when executing the first or second heat radiation mode;   if it is determined that the heating mode is set, discharging the air introduced into the ventilation/air-conditioning duct when it reaches an outlet of the duct, to a predetermined space within the building.   
     
     
         3 . The method of  claim 2 , wherein said discharging the air includes:
 detecting a discharge temperature of the air at the outlet of the ventilation/air-conditioning duct and a building inside temperature, respectively; and   when the discharge temperature is higher than the building inside temperature, discharging the air from the outlet of the ventilation/air-conditioning duct to the predetermined space within the building.   
     
     
         4 . The method of  claim 3 , wherein the predetermined space is a space which can be arbitrarily selected by a user. 
     
     
         5 . The method of  claim 1 , further comprising:
 checking whether or not a cooling mode is set to re-use the air introduced into the ventilation/air-conditioning duct for a cooling operation when executing the first or second heat radiation mode;   if it is determined that the cooling mode is set, discharging the air introduced into the ventilation/air-conditioning duct when it reaches an outlet of the duct to a predetermined space within the building.   
     
     
         6 . The method of  claim 5 , wherein said discharging discharge air includes:
 detecting a discharge temperature of the air at the outlet of the ventilation/air-conditioning duct and a building inside temperature, respectively; and   when the discharge temperature is lower than the building inside temperature, discharging the air to the predetermined space within the building.   
     
     
         7 . The method of  claim 6 , wherein the predetermined space is a space which can be arbitrarily selected by a user. 
     
     
         8 . The method of  claim 1 , wherein the lights is one of a light emitting diode (LED), an organic LED (OLED), and a lighting appliance. 
     
     
         9 . The method of  claim 8 , wherein the OLED is one of an active matrix LED (AMOLED), and an organic electroluminescence (EL). 
     
     
         10 . The method of  claim 1 , wherein the cold air is allowed to radiate a heat generated from a heat radiation portion on a rear surface of an illumination control board opened to the interior of the ventilation/air-conditioning duct. 
     
     
         11 . The method of  claim 1 , wherein when the detected internal temperature is equal to or higher than a preset heat radiation reference temperature, the first heat radiation mode or second heat radiation mode is selectively executed, and
 when the internal temperature is lower than the preset heat radiation reference temperature, the execution of the first heat radiation mode or second heat radiation mode is stopped.   
     
     
         12 . An apparatus for radiating a heat of illumination for growing plant comprising:
 a ventilation/air-conditioning duct installed within a building having a plant growth chamber, and having a structure for circulating an air through the interior;   multiple lights installed such that a rear side thereof is exposed to the interior of the ventilation/air-conditioning duct;   an external temperature sensor for detecting an external temperature of the plant growth chamber;   an internal temperature sensor for detecting an internal temperature of the plant growth chamber; and   a control block for executing a first heat radiation mode in which a cold air generated by actuating a cooling system of the building is introduced into the ventilation/air-conditioning duct when the detected external temperature is higher than the internal temperature, and executing a second heat radiation mode in which an external cold air is introduced into the ventilation/air-conditioning duct when the detected internal temperature is higher than the external temperature.   
     
     
         13 . The apparatus of  claim 12 , further comprising:
 an illumination control board, on which the lights are provided, a heat radiation portion on a rear surface of the board being opened to the interior of the ventilation/air-conditioning duct to allow generated heat to be radiated.   
     
     
         14 . The apparatus of  claim 12 , wherein when the first or second heat radiation mode is executed in a state that a heating mode is set to re-use the air for a heating operation, the control block discharges the air introduced into the ventilation/air-conditioning duct and reaching the outlet of the duct to a predetermined space within the building. 
     
     
         15 . The apparatus of  claim 14  wherein when a discharge temperature of the air at the outlet of the ventilation/air-conditioning duct is higher than a building inside temperature, discharging the air to the predetermined space within the building. 
     
     
         16 . The apparatus of  claim 12 , wherein when the first or second heat radiation mode is executed in a state that a cooling mode is set to re-use air for a cooling operation, the control block discharges the air introduced into the ventilation/air-conditioning duct and reaching the outlet of the duct to a predetermined space within the building. 
     
     
         17 . The apparatus of  claim 16 , wherein when a discharge temperature of the air at the outlet of the ventilation/air-conditioning duct is lower than a building inside temperature, the control block discharges the air to the predetermined space within the building. 
     
     
         18 . The apparatus of  claim 12 , wherein the lights is any one of a light emitting diode (LED), an organic LED (OLED), and a lighting appliance. 
     
     
         19 . The apparatus of  claim 18 , wherein the OLED is any one of an active matrix LED (AMOLED), and an organic electroluminescence (EL). 
     
     
         20 . The apparatus of  claim 12 , wherein when the detected internal temperature is equal to or higher than a preset heat radiation reference temperature, the control block selectively executes the first heat radiation mode or second heat radiation mode, and when the internal temperature is lower than the preset heat radiation reference temperature, the control block stops the execution of the first heat radiation mode or second heat radiation mode.