Electric power equipment, and electronic device and power supply element inspection equipment using same

Abstract

An electric power equipment has a main body case, a plurality of power supply elements provided in the main body case, and a fire-extinguishing agent discharge space disposed facing the plurality of power supply elements. The fire-extinguishing agent discharge space includes fire-extinguishing agent spray space having a plurality of fire-extinguishing agent spray holes for spraying a fire-extinguishing agent toward the plurality of power supply elements, and a fire-extinguishing agent supply space coupled to the fire-extinguishing agent spray space via a plurality of fire-extinguishing supply holes. A fire-extinguishing agent tank is coupled to the fire-extinguishing agent supply space via a shutoff valve.

1 . An electric power equipment comprising:
 a main body case including an accommodation space for power supply element and a fire-extinguishing agent discharge space; and   a plurality of power supply elements disposed in the accommodation space for power supply element of the main body case,   wherein the fire-extinguishing agent discharge space includes a fire-extinguishing agent spray space for spraying a fire-extinguishing agent toward the plurality of power supply elements, and a fire-extinguishing agent supply space for supplying the fire-extinguishing agent to the fire-extinguishing agent spray space,   a first wall separating the fire-extinguishing agent spray space from the accommodation space for power supply element is provided with a plurality of fire-extinguishing agent spray holes,   a second wall separating the fire-extinguishing agent spray space from the fire-extinguishing agent supply space is provided with a plurality of fire-extinguishing agent supply holes, and   a fire-extinguishing agent tank is coupled to the fire-extinguishing agent supply space via a shutoff valve.   
     
     
         2 . The electric power equipment according to  claim 1 ,
 wherein the fire-extinguishing agent spray space and the fire-extinguishing agent supply space are sequentially provided from a lower part to an upper part above the plurality of power supply elements.   
     
     
         3 . The electric power equipment according to  claim 1 ,
 wherein one or more of the fire-extinguishing agent spray holes are allowed to face each of the plurality of power supply elements.   
     
     
         4 . The electric power equipment according to  claim 1 ,
 wherein a number of the fire-extinguishing agent supply holes is made to be smaller than a number of the fire-extinguishing agent spray holes, and an opening area of each of the fire-extinguishing agent supply holes is made to be larger than an opening area of each of the fire-extinguishing agent spray holes.   
     
     
         5 . The electric power equipment according to  claim 1 ,
 wherein the second wall is convex and concave with respect to the fire-extinguishing agent supply space, and a concave portion is provided with the fire-extinguishing agent supply holes.   
     
     
         6 . The electric power equipment according to  claim 1 ,
 wherein a surface of the first wall is hydrophilic and a surface of the second wall is water-repellent.   
     
     
         7 . The electric power equipment according to  claim 1 ,
 wherein the first and second walls are formed of a metal plate, and a surface of a metal plate forming the first wall is roughened and a surface of a metal plate forming the second wall is mirror-finished.   
     
     
         8 . The electric power equipment according to  claim 1 ,
 wherein the power supply elements are one of batteries are capacitors.   
     
     
         9 . The electric power equipment according to  claim 1 ,
 wherein the shutoff valve is configured to be opened by an output from an abnormal state detector provided in the main body case.   
     
     
         10 . The electric power equipment according to  claim 9 ,
 wherein the abnormal state detector includes one of a impact detector and a temperature detector.   
     
     
         11 . An electronic device comprising a motor and an electric power equipment as an electric power source for the motor, the electric power equipment including:
 a main body case including an accommodation space for power supply element and a fire-extinguishing agent discharge space;   a plurality of power supply elements disposed in the accommodation space for power supply element of the main body case;   a first wall separating the fire-extinguishing agent discharge space from the accommodation space for power supply element, the first wall being provided with a plurality of fire-extinguishing agent spray holes;   a second wall dividing the fire-extinguishing agent discharge space into a fire-extinguishing agent supply space and a fire-extinguishing agent spray space next to the accommodation space for power supply element via the first wall, the second wall being provided with a plurality of fire-extinguishing agent supply holes; and   a fire-extinguishing agent tank coupled to the fire-extinguishing agent supply space via a shutoff valve.   
     
     
         12 . A power supply element inspection equipment comprising:
 a main body case including an accommodation space configured to accommodate a power supply element and a fire-extinguishing agent discharge space;   a first wall separating the fire-extinguishing agent discharge space from the accommodation space, the first wall being provided with a fire-extinguishing agent spray hole;   a second wall dividing the fire-extinguishing agent discharge space into a fire-extinguishing agent supply space and a fire-extinguishing agent spray space next to the accommodation space via the first wall, the second wall being provided with a fire-extinguishing agent supply hole;   a fire-extinguishing agent tank coupled to the fire-extinguishing agent supply space via a shutoff valve; and   an inspection system configured to inspect properties of the power supply element accommodated in the accommodation space.   
     
     
         13 . An electronic device comprising a power-generation system and an electric power equipment as an electric power storage for the power-generation system, the electric power equipment including:
 a main body case including an accommodation space for power supply element and a fire-extinguishing agent discharge space;   a plurality of power supply elements disposed in the accommodation space for power supply element of the main body case;   a first wall separating the fire-extinguishing agent discharge space from the accommodation space for power supply element, the first wall being provided with a plurality of fire-extinguishing agent spray holes;   a second wall dividing the fire-extinguishing agent discharge space into a fire-extinguishing agent supply space and a fire-extinguishing agent spray space next to the accommodation space for power supply element via the first wall, the second wall being provided with a plurality of fire-extinguishing agent supply holes; and   a fire-extinguishing agent tank coupled to the fire-extinguishing agent supply space via a shutoff valve.