Heating medium temperature control device using thermoelectric element

Abstract

Disclosed herein is a heating medium temperature control device using a thermoelectric element. The heating medium temperature control device is connected to a temperature regulating apparatus and controls the temperature of a circulating heating medium. The device also includes a main tank, a heat exchange part, a heating medium circulation part, and an auxiliary heat dissipation part. The main tank accommodates the circulating heating medium and supplies the heating medium to the temperature regulating apparatus. The heat exchange part includes a thermoelectric element, a heating medium block, and a main heat dissipation part. The heating medium circulation part includes an inflow line connecting the heating medium block and the temperature regulating apparatus, and a discharge line connecting the main tank and the temperature regulating apparatus. The auxiliary heat dissipation part is connected to the main heat dissipation part.

What is claimed is: 
     
         1 . A heating medium temperature control device connected to a temperature regulating apparatus provided with a tube and controlling a temperature of the heating medium circulating through the tube, the heating medium temperature control device comprising:
 a main tank for accommodating the heating medium and supplying the heating medium to the temperature regulating apparatus;   a heat exchange part including a thermoelectric element, a heating medium block disposed on one side of the thermoelectric element and provided with a first flow path through which the heating medium returned from the temperature regulating apparatus is transferred to the main tank, and a main heat dissipation part disposed on an other side of the thermoelectric element;   a heating medium circulation part including an inflow line connecting the heating medium block and the temperature regulating apparatus, and a discharge line connecting the main tank and the temperature regulating apparatus; and   an auxiliary heat dissipation part connected to the main heat dissipation part,   wherein the main heat dissipation part comprises:   a main heat dissipation block; and   a heat dissipation flow pipe inserted into the main heat dissipation block and including a second flow path of an auxiliary heating medium, the heat dissipation flow pipe having a heat dissipation inlet and a heat dissipation outlet each formed at one end and the other end of the heat dissipation flow pipe,   the auxiliary heat dissipation part comprises:   an auxiliary thermoelectric element;   an auxiliary heating medium block disposed on one side of the auxiliary thermoelectric element and including a third flow path of the auxiliary heating medium, the auxiliary heating medium block having an auxiliary block inlet and an auxiliary block outlet each formed at one end and the other end of the auxiliary heating medium block; and   an auxiliary heating medium circulation part having an auxiliary inflow line connecting the heat dissipation outlet and the auxiliary block inlet and an auxiliary discharge line connecting the heat dissipation inlet and the auxiliary block outlet.   
     
     
         2 . The heating medium temperature control device of  claim 1 , wherein the one side of the auxiliary thermoelectric element is fixed and operates as a cooling surface for performing a cooling action. 
     
     
         3 . The heating medium temperature control device of  claim 1 , wherein the auxiliary heat dissipation part further comprises an auxiliary circulation pump for inducing circulation of the auxiliary heating medium. 
     
     
         4 . The heating medium temperature control device of  claim 1 , wherein the main heat dissipation block is provided as a plurality of main heat dissipation blocks, and the heat dissipation flow pipe extends to continuously penetrate the plurality of main heat dissipation blocks a plurality of times. 
     
     
         5 . The heating medium temperature control device of  claim 1 , further comprising:
 a sensor configured to sense the temperature of the heating medium at a preset location at a preset period or in real time; and   a controller configured to selectively operate the auxiliary heat dissipation part according to preset conditions based on information obtained from the sensor.   
     
     
         6 . The heating medium temperature control device of  claim 5 , wherein the preset conditions include a condition in which the auxiliary thermoelectric element is operated in a temperature change stage in which a first temperature is changed to a second temperature which is a target set temperature, and the auxiliary thermoelectric element is not operated in a temperature maintaining stage in which the second temperature is maintained or a preset temperature range corresponding to the second temperature is maintained. 
     
     
         7 . The heating medium temperature control device of  claim 5 , wherein the auxiliary heat dissipation part further comprises an auxiliary heat dissipation block disposed on another side of the auxiliary thermoelectric element, and an auxiliary heat dissipation fan for discharging heat-exchanged air to the outside. 
     
     
         8 . The heating medium temperature control device of  claim 1 , wherein the heating medium block comprises:
 a first body having one side in contact with the thermoelectric element and another side on which partition walls forming the first flow path are formed; and   a second body fixed to the first body while covering the first body,   wherein at least one of the partition walls includes protrusions protruding downward.   
     
     
         9 . The heating medium temperature control device of  claim 8 , wherein the protrusions are formed to be tilted at a predetermined angle depending on a flow direction of the heating medium. 
     
     
         10 . The heating medium temperature control device of  claim 1 , further comprising a connector connected to the inflow line and the discharge line,
 wherein the connector comprises:   a discharge passage and an inflow passage divided by a barrier;   a first mesh case disposed within the discharge passage and having a plurality of open holes,   a second mesh case disposed within the inflow passage and having a plurality of open holes; and   functional balls accommodated in the first mesh case and the second mesh case, respectively,   wherein the discharge passage is connected to the discharge line, and the inflow passage is connected to the inflow line.