Sub-rack with housing for receiving plug-in modules

Abstract

A sub-rack ( 1 ) for plugging and unplugging electronic plug-in modules ( 3 ) includes a housing ( 2 ) which has a front cover plate ( 5 ). Each plug-in module includes a cooling device including a heat sink ( 19 ). A liquid distributor ( 12 ) is mounted on the cover plate and in flow connection with each of the heat sinks via a feed line ( 10 ) and a return line ( 11 ), and the liquid distributor is arranged on the outside of and in the front region ( 4 ) of the sub-rack.

1 . A sub-rack for plugging and unplugging electronic plug-in modules including:
 a housing which has a front cover plate;   a cooling device for each plug-in module comprising a heat sink which is arranged on the plug-in module; and   a liquid distributor which is in flow connection with the heat sink via a feed line and a return line wherein the liquid distributor is arranged on the outside in the front region of the sub-rack.   
   
   
       2 . The sub-rack according to  claim 1 , characterized in that:
 a receptacle for receiving the liquid distributor is provided in the front region.   
   
   
       3 . The sub-rack according to  claim 2 , characterized in that:
 the receptacle is provided on the front cover plate.   
   
   
       4 . The sub-rack according to  claim 1 , characterized in that:
 the liquid distributor is fixed on the front cover plate which is detachably secured to the housing.   
   
   
       5 . The sub-rack according to  claim 1 , characterized in that:
 the plug-in module has a front plate with at least two through-holes for the return line and the feed line.   
   
   
       6 . The sub-rack according to  claim 1 , characterized in that:
 a coupling for connecting to the liquid distributor is provided on the free end of at least one of the return line and the feed line.   
   
   
       7 . The sub-rack according to  claim 6  characterized in that:
 the coupling has one of an arc shape or angled construction, preferably forming an angle between 60° and 125°.   
   
   
       8 . The sub-rack according to  claim 6 , characterized in that:
 the liquid distributor has a distributor housing with a cover side on which at least two line connections are provided for connecting to couplings, respectively.   
   
   
       9 . The sub-rack according  claim 1 , characterized in that:
 plural liquid distributors are retrofitted in the front region of the sub-rack.   
   
   
       10 . The sub-rack according to  claim 1 , characterized in that:
 the housing has opposed angular profiles in the front region, and the liquid distributor is supported by the angular profiles.   
   
   
       11 . The sub-rack according to  claim 1 , characterized in that:
 a device for air cooling is provided, so that combined air and liquid cooling is performed on at least one of the plug-in modules.   
   
   
       12 . A sub-rack for plugging and unplugging plural electronic plug-in modules including:
 a housing;   a cooling device for each of the plug-in modules which is arranged on the plug-in modules; and   a liquid distributor which is in fluid flow connection with each cooling device via a feed line and a return line, respectively, wherein the liquid distributor is arranged on the outside in the front region of the sub-rack and wherein the liquid distributor has a distributor housing on which at least two line connections are provided for connecting to couplings for the feed lines and the return lines, respectively.   
   
   
       13 . The sub-rack according to  claim 12 , characterized in that:
 the liquid distributor is fixed on a front cover plate which is detachably secured to the housing.   
   
   
       14 . The sub-rack according to  claim 12 , characterized in that:
 the couplings have one of an arc shape or angled construction, preferably forming an angle between 60° and 125°.   
   
   
       15 . The sub-rack according to  claim 12 , characterized in that:
 a device for air cooling is provided, so that combined air and liquid cooling is performed on the plug-in modules.   
   
   
       16 . A sub-rack for plugging and unplugging electronic plug-in modules including:
 a housing;   a cooling device for each of selected ones of the plug-in modules comprising a heat sink which is arranged on the plug-in modules; and   a liquid distributor which is in fluid flow connection with the respective heat sinks via feed lines and return lines wherein the liquid distributor is arranged in the front region of the sub-rack and the liquid distributor is secured on a front cover plate which is secured to the housing above the plug-in modules.   
   
   
       17 . The sub-rack according to  claim 16 , characterized in that:
 the liquid distributor has a distributor housing with a cover side on which at least two line connections are provided for connecting to couplings, respectively, the couplings being provided on the return lines and the feed lines, respectively.   
   
   
       18 . The sub-rack according to  claim 17  characterized in that:
 the couplings have one of an arc shape or angled construction, preferably forming an angle between 60° and 125°.   
   
   
       19 . The sub-rack according to  claim 16 , characterized in that:
 a device for air cooling is provided, so that combined air and liquid cooling is performed on the plug-in modules.   
   
   
       20 . A sub-rack for plugging and unplugging electronic plugin modules including:
 a housing which has a front cover plate;   a cooling device for each plug-in module comprising a heat sink which is arranged on the plugin module;   a liquid distributor which is in flow connection with the heat sink via a feed line and a return line wherein the liquid distributor is arranged on the outside in the front region of the subrack; and   the sub-rack is arranged in a cabinet which has opposed angular profiles in the front region, the liquid distributor being supported by the angular profiles.