Battery test rig

Abstract

The present invention relates to a battery test rig, comprising a test cell ( 3 ) in which a battery ( 2 ) to be tested is arranged, a holder ( 13 ) which is arranged in the test cell ( 3 ) and is able to hold the battery ( 2 ), a regulation unit ( 4 ) which can be connected to a battery ( 2 ) arranged in the holder ( 13 ), at least one sensor device ( 5, 6 ) for monitoring the battery ( 2 ), wherein the sensor device ( 5, 6 ) is connected to the regulation unit ( 4 ), and a cooling apparatus ( 7 ), which is connected to the regulation unit ( 4 ) and is designed to cool the battery ( 2 ) in the test cell ( 3 ) from the outside in a hazard situation.

1 . A battery test rig comprising:
 a test cell ( 3 ) in which a battery ( 2 ) to be tested is arranged,   a holder ( 13 ) which is arranged in the test cell ( 3 ) and is able to hold the battery ( 2 ),   a regulation unit ( 4 ) which can be connected to a battery ( 2 ) arranged in the holder ( 13 ),   at least one sensor device ( 5 ,  6 ) for monitoring the battery ( 2 ), the sensor device ( 5 ,  6 ) being connected to the regulation unit ( 4 ), and   a cooling apparatus ( 7 ) which is connected to the regulation unit ( 4 ) and is designed to cool the battery ( 2 ) in the test cell ( 3 ) from the outside in a hazard situation.   
     
     
         2 . The battery test rig as claimed in  claim 1 , characterized in that the cooling apparatus ( 7 ) comprises a pressure vessel ( 8 ), which is filled with cooling medium and is connected to the test cell ( 3 ) via a line ( 10 ), and a switching valve ( 11 ) which is connected to the regulation unit, the switching valve ( 11 ) being arranged in the line ( 10 ) and being able to be opened and closed using the regulation unit ( 4 ) in order to lead cooling medium to the battery ( 2 ). 
     
     
         3 . The battery test rig as claimed in  claim 2 , characterized in that the cooling apparatus ( 7 ) also comprises a nozzle ( 12 ) which is arranged in the test cell ( 3 ) in order to lead the cooling medium to the battery ( 2 ). 
     
     
         4 . The battery test rig as claimed in  claim 1 , characterized in that the cooling apparatus comprises at least one Peltier unit ( 18 ) which is arranged in the test cell ( 3 ) in order to cool the battery ( 2 ). 
     
     
         5 . The battery test rig as claimed in  claim 4 , characterized by a multiplicity of Peltier units ( 18 ) which are arranged in the form of a pyramid. 
     
     
         6 . The battery test rig as claimed in  claim 4 , characterized in that the cooling apparatus also comprises a heat exchanger ( 19 ) which is connected to the Peltier unit ( 18 ) in order to transfer heat from the Peltier unit ( 18 ) to an outer side of the test cell ( 3 ). 
     
     
         7 . The battery test rig as claimed in  claim 1 , characterized in that the sensor device comprises at least one of a temperature sensor ( 6 ), a pressure sensor ( 5 ), and a force sensor. 
     
     
         8 . The battery test rig as claimed in  claim 1 , also comprising a suction apparatus ( 14 ) in order to suction medium from the test cell ( 3 ). 
     
     
         9 . The battery test rig as claimed in  claim 1 , also comprising a current interruption device in order to interrupt a current generated by the battery. 
     
     
         10 . The battery test rig as claimed in  claim 1 , comprising at least one first cooling apparatus ( 7 ) and one second cooling apparatus ( 17 ). 
     
     
         11 . The battery test rig as claimed in  claim 1 , characterized in that the sensor device comprises a temperature sensor ( 6 ). 
     
     
         12 . The battery test rig as claimed in  claim 1 , characterized in that the sensor device comprises a pressure sensor ( 5 ). 
     
     
         13 . The battery test rig as claimed in  claim 1 , characterized in that the sensor device comprises a force sensor. 
     
     
         14 . The battery test rig as claimed in  claim 13 , characterized in that the force sensor is at least one of a strain gage and a distance sensor. 
     
     
         15 . The battery test rig as claimed in  claim 13 , characterized in that the force sensor is a strain gage. 
     
     
         16 . The battery test rig as claimed in  claim 13 , characterized in that the force sensor is a distance sensor. 
     
     
         17 . The battery test rig as claimed in  claim 1 , also comprising a suction apparatus ( 14 ) in order to generate a vacuum in the test cell ( 3 ).