Flat Plate Cooling Device and Method for Using the Same

Abstract

In a cooling device using an ebullient cooling system, a cooling device becomes larger when a degree of freedom of the arrangement in installing it in electronic equipment is increased, and that it is impossible to obtain a sufficient degree of freedom of the arrangement, therefore, a flat plate cooling device according to an exemplary aspect of the invention includes a plate-like container including a first flat plate and a second flat plate opposite to the first flat plate; a refrigerant enclosed in the plate-like container; and a guiding wall unit connecting the first flat plate to the second flat plate and controlling a flow of the refrigerant in the plate-like container; wherein the plate-like container includes a heat receiving area which is thermally connected to a heating element disposed on at least one of the first flat plate and the second flat plate; and the guiding wall unit includes a pair of guiding walls, and the guiding walls are disposed on opposite sides of the heat receiving area.

1 . A flat plate cooling device, comprising:
 a plate-like container comprising a first flat plate and a second flat plate opposite to the first flat plate;   a refrigerant enclosed in the plate-like container; and   a guiding wall unit connecting the first flat plate to the second flat plate and controlling a flow of the refrigerant in the plate-like container; wherein the plate-like container comprises a heat receiving area which is thermally connected to a heating element disposed on at least one of the first flat plate and the second flat plate; and   the guiding wall unit comprises a pair of guiding walls, and the guiding walls are disposed on opposite sides of the heat receiving area.   
     
     
         2 . The flat plate cooling device according to  claim 1 ,
 wherein an interval between the pair of guiding walls is equal to or larger than the width of the heat receiving area and not larger than the outer perimeter of the heat receiving area.   
     
     
         3 . The flat plate cooling device according to  claim 1 ,
 wherein the guiding walls are disposed extending parallel to one side in a longitudinal direction of the plate-like container.   
     
     
         4 . The flat plate cooling device according to  claim 1 ,
 wherein the guiding walls are disposed inclined with respect to a straight line parallel to one side in a longitudinal direction of the plate-like container.   
     
     
         5 . The flat plate cooling device according to  claim 4 ,
 wherein the pair of guiding walls is disposed symmetrically with respect to the straight line parallel to one side in a longitudinal direction of the plate-like container.   
     
     
         6 . The flat plate cooling device according to  claim 1 ,
 wherein a vapor-liquid interface of the refrigerant is located higher than the lower limit of the heat receiving area in the vertical direction.   
     
     
         7 . The flat plate cooling device according to  claim 1 ,
 wherein the heat receiving area is disposed near the center of one side in a longitudinal direction of the plate-like container.   
     
     
         8 . The flat plate cooling device according to  claim 1 ,
 wherein the plate-like container comprises a heat radiation area which is thermally connected to a heat radiating unit disposed on at least one of the first flat plate and the second flat plate; and   the heat radiation area is disposed uniformly in the plate-like container.   
     
     
         9 . A method for using a flat plate cooling device, comprising the steps of:
 using the flat plate cooling device according to  claim 1  switching between   a first arrangement state where a straight line parallel to one side in a longitudinal direction of the plate-like container is parallel to the vertical direction and   a second arrangement state where to be disposed upside down in the vertical direction inversely with the first arrangement state.   
     
     
         10 . A method for using a flat plate cooling device, comprising the steps of:
 using the flat plate cooling device according to  claim 4  switching between   a first arrangement state where a straight line parallel to one side in a longitudinal direction of the plate-like container is parallel to the vertical direction and   a third arrangement state where a straight line parallel to one side in a longitudinal direction of the plate-like container is perpendicular to the vertical direction.   
     
     
         11 . The flat plate cooling device according to  claim 3 ,
 wherein a vapor-liquid interface of the refrigerant is located higher than the lower limit of the heat receiving area in the vertical direction.   
     
     
         12 . The flat plate cooling device according to  claim 3 ,
 wherein the heat receiving area is disposed near the center of one side in a longitudinal direction of the plate-like container.   
     
     
         13 . The flat plate cooling device according to  claim 3 ,
 wherein the plate-like container comprises a heat radiation area which is thermally connected to a heat radiating unit disposed on at least one of the first flat plate and the second flat plate; and   the heat radiation area is disposed uniformly in the plate-like container.   
     
     
         14 . A method for using a flat plate cooling device, comprising the steps of:
 using the flat plate cooling device according to  claim 3  switching between   a first arrangement state where a straight line parallel to one side in a longitudinal direction of the plate-like container is parallel to the vertical direction and   a second arrangement state where to be disposed upside down in the vertical direction inversely with the first arrangement state.   
     
     
         15 . The flat plate cooling device according to  claim 4 ,
 wherein a vapor-liquid interface of the refrigerant is located higher than the lower limit of the heat receiving area in the vertical direction.   
     
     
         16 . The flat plate cooling device according to  claim 4 ,
 wherein the heat receiving area is disposed near the center of one side in a longitudinal direction of the plate-like container.   
     
     
         17 . The flat plate cooling device according to  claim 4 ,
 wherein the plate-like container comprises a heat radiation area which is thermally connected to a heat radiating unit disposed on at least one of the first flat plate and the second flat plate; and   the heat radiation area is disposed uniformly in the plate-like container.   
     
     
         18 . A method for using a flat plate cooling device, comprising the steps of:
 using the flat plate cooling device according to  claim 4  switching between   a first arrangement state where a straight line parallel to one side in a longitudinal direction of the plate-like container is parallel to the vertical direction and   a second arrangement state where to be disposed upside down in the vertical direction inversely with the first arrangement state.   
     
     
         19 . A method for using a flat plate cooling device, comprising the steps of:
 using the flat plate cooling device according to  claim 5  switching between   a first arrangement state where a straight line parallel to one side in a longitudinal direction of the plate-like container is parallel to the vertical direction and   a third arrangement state where a straight line parallel to one side in a longitudinal direction of the plate-like container is perpendicular to the vertical direction.