Heat-exchange cooling device and power supply circuit driver used therefore

Abstract

A heat exchange cooler capable of eliminating continuous radiation of high-frequency noise waves and reducing the man hour for the installation work, and a power circuit driving device used for it are provided. A commercial power transformer ( 311 ), which transforms commercial AC power ( 307 ) supplied from a heat generating element storing box to a specified range of voltage, is provided. Moreover, first relay ( 210 ) and second relay ( 212 ) are used for automatically switching a plurality of taps disposed at the coil of commercial power transformer ( 311 ) which keeps a wide range of commercial AC voltage from 200 V to 250 V in nominal voltage within a specified range of output voltage.

1 - 17 . (canceled) 
     
     
         18 . A power circuit driving device comprising:
 a commercial power transformer which transforms AC voltage supplied from a heat generating element storing box to a specified range of voltage; and   a tap switching unit for automatically switching a plurality of taps disposed at a coil of the commercial power transformer in order to adjust an output of the commercial power transformer within the specified range of output voltage.   
     
     
         19 . The power circuit driving device of  claim 18 ,
 wherein the tap switching unit further includes an output voltage detection unit for detecting the output voltage of the commercial power transformer and,   the tap switching is configured to automatically switch the plurality of taps based on the output voltage detected by the output detection unit.   
     
     
         20 . The power circuit driving device of  claim 19 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a primary coil of the commercial power transformer,   the plurality of switch elements are connected to the plurality of taps disposed at the primary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         21 . The power circuit driving device of  claim 19 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a secondary coil of the commercial power transformer,   the plurality of switch elements are connected to the plurality of taps disposed at the secondary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         22 . The power circuit driving device of  claim 19 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a primary coil and a secondary coil of the commercial power transformer,   the plurality of switch elements are connected to the plurality of taps disposed at the primary coil and the secondary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         23 . The power circuit driving device of  claim 18 ,
 wherein the tap switching unit further includes an input AC voltage detection unit for detecting a level of the commercial AC voltage supplied from the heat generating element storing box, and   the tap switching unit is configured to automatically switch the plurality of taps based on the level of the commercial AC voltage detected by the input AC voltage detection unit.   
     
     
         24 . The power circuit driving device of  claim 23 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a primary coil of the commercial power transformer,   the plurality of switch elements are connected to the plurality of taps disposed at the primary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         25 . The power circuit driving device of  claim 23 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a secondary coil of the commercial power transformer,   the plurality of switching elements are connected to the plurality of taps disposed at the secondary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         26 . The power circuit driving device of  claim 23 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a primary coil and a secondary coil of the commercial power transformer,   the plurality of switch elements are connected to the plurality of taps disposed at the primary coil and the secondary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         27 . The power circuit driving device of  claim 18 ,
 wherein the tap switching unit further includes an input AC voltage detection unit for detecting a level of the commercial AC voltage supplied from the heat generating element storing box, and an output voltage detection unit for detecting the output voltage of the commercial power transformer, and   the tap switching unit is configured to automatically switch the plurality of taps based on the output voltage detected by the output voltage detection unit and the level of the commercial AC voltage detected by the input AC voltage detection unit.   
     
     
         28 . The power circuit driving device of  claim 27 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a primary coil of the commercial power transformer,   the plurality switch elements are connected to the plurality of taps disposed at the primary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         29 . The power circuit driving device of  claim 27 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a secondary coil of the commercial power transformer,   the plurality of switch elements are connected to the plurality of taps disposed at the secondary coil of the commercial power transformer, and are controlled by the tap switching unit.   
     
     
         30 . The power circuit driving device of  claim 27 ,
 wherein the tap switching unit includes a plurality of switch elements,   the plurality of taps are disposed at a primary coil and a secondary coil of the commercial power transformer,   the plurality of switch elements are connected to the plurality of taps disposed at the primary coil and the secondary coil of the commercial power transformer, and are controlled by the tap switching unit.