Sealed casing

Abstract

A sealed casing includes a container provided with a plurality of opening and houses at least one heat-generating body, and a plurality of top boards sealing the openings respectively, and is characterized in that at least one of the openings is disposed in a heat-generating area where the heat-generating body is disposed, and that a cooling unit is disposed on the top board sealing the opening in the heat-generating area.

1 . A sealed casing comprising a container provided with a plurality of openings and housing at least one heat-generating body, and a plurality of top boards sealing said openings respectively, and characterized in that at least one of said openings is disposed in a heat-generating area where the said heat-generating body is disposed, and that said top board sealing said openings of said heat-generating area and a cooling unit cooling said heat-generating body are connected. 
     
     
         2 . The sealed casing according to  claim 1 , wherein said plurality of top boards are connected with said container independently of each other. 
     
     
         3 . The sealed casing according to  claim 1 , wherein a frame shaped component is provided between said container and said top board, and that said container and said plurality of top boards, and each of said plurality of top boards are connected via said frame shaped component. 
     
     
         4 . The sealed casing according to  claim 3 , wherein said frame shaped component is silicone rubber or foamed material. 
     
     
         5 . The sealed casing according to  claim 1  wherein said cooling unit is provided with an evaporator which is connected with said heat-generating body thermally and is provided with a refrigerant inside, a condensing unit which condenses said refrigerant, and at least two connecting pipes which connect said evaporator and said condensing unit. 
     
     
         6 . The sealed casing according to  claim 5 , wherein at least one of said connecting pipes connects said evaporator and an upper part of said condensing unit, and at least one of said connecting pipes connects a lower part of said condensing unit and said evaporator. 
     
     
         7 . The sealed casing according to  claim 6 , wherein said connecting pipe which is connected with the upper part of said condensing unit is connected with an upper surface part of said evaporator, and said connecting pipe which is connected with the lower part of said condensing unit is connected with a side surface part of said evaporator. 
     
     
         8 . The sealed casing according to  claim 6 , wherein said connecting pipe which is connected with the upper part of said condensing unit carries vapor of said refrigerant evaporated in said evaporator by the heat which said heat-generating body generates to said condensing unit, and said connecting pipe which is connected with the lower part of said condensing unit carries the refrigerant liquefied in said condensing unit to said evaporator. 
     
     
         9 . The sealed casing according to  claim 1 , wherein a plurality of cooling units which is disposed respectively on said top boards which seal the openings of a plurality of heat-generating areas is provided, and said cooling units include cooling performance corresponding to heart-generating values of the corresponding heat-generating bodies. 
     
     
         10 . The sealed casing according to  claim 1 , wherein a heat radiator is installed at least on either one of an inner surface part or an outer surface part of said top board. 
     
     
         11 . The sealed casing according to  claim 5 , wherein the top board on which said condensing unit is disposed is smaller in distance with a bottom surface of said container than the top board on which said condensing unit is not disposed. 
     
     
         12 . The sealed casing according to  claim 5 , wherein said evaporator and said top board are connected via a spring. 
     
     
         13 . The sealed casing according to  claim 5 , wherein said heat-generating body and said evaporator are connected via heat conductive grease. 
     
     
         14 . The sealed casing according to  claim 5 , wherein said connecting pipe is composed by an inner layer being a metal layer and an outer layer being a resin layer, or only metal layers. 
     
     
         15 . The sealed casing according to  claim 5 , wherein said evaporator, said connecting pipe and said condensing unit are sealed and connected. 
     
     
         16 . The sealed casing according to  claim 5 , wherein materials of said evaporator and said condensing unit are aluminum or copper. 
     
     
         17 . The sealed casing according to  claim 5 , wherein said refrigerant is hydrofluorocarbon or hydrofluoroether. 
     
     
         18 . The sealed casing according to  claim 2  wherein said cooling unit is provided with an evaporator which is connected with said heat-generating body thermally and is provided with a refrigerant inside, a condensing unit which condenses said refrigerant, and at least two connecting pipes which connect said evaporator and said condensing unit. 
     
     
         19 . The sealed casing according to  claim 3  wherein said cooling unit is provided with an evaporator which is connected with said heat-generating body thermally and is provided with a refrigerant inside, a condensing unit which condenses said refrigerant, and at least two connecting pipes which connect said evaporator and said condensing unit. 
     
     
         20 . The sealed casing according to  claim 4  wherein said cooling unit is provided with an evaporator which is connected with said heat-generating body thermally and is provided with a refrigerant inside, a condensing unit which condenses said refrigerant, and at least two connecting pipes which connect said evaporator and said condensing unit.