Battery system and vehicle
A battery system ( 20 ) has first and second battery module assemblies ( 31, 32 ), a conduction housing ( 40 ), a terminal box ( 50 ), and a power electronics housing ( 60 ). The first and second battery module assemblies ( 31, 32 ) are spaced from one another so that two footwells ( 35, 36 ) are formed between the first battery module assembly ( 31 ) and the second battery module assembly ( 32 ). A first section ( 42 ) of the conduction housing ( 40 ) extends between the footwells ( 35, 36 ). A power electronics ( 61 ) is provided in the power electronics housing ( 60 ). The terminal box ( 50 ) comprises at least a first terminal ( 51 ) for a first consumer ( 91 ). First conductors ( 41 ) are provided in the conduction housing ( 40 ) and electrically interconnect the first battery module assembly ( 31 ), the second battery module assembly ( 32 ), at least a first terminal ( 51 ), and the power electronics ( 61 ).
1 . A battery system ( 20 ) for an electrically or semi-electrically operated vehicle ( 10 ), comprising:
a first battery module assembly ( 31 ) having at least a first battery module ( 33 );
a second battery module assembly ( 32 ) having at least a second battery module ( 34 ), the second battery module assembly ( 32 ) being spaced from the first battery module assembly ( 31 ) such that two footwells ( 35 , 36 ) are formed between the first and second battery module assemblies ( 31 , 32 );
a conduction housing ( 40 ) having a front section mounted on top of the first battery module assembly ( 31 ), a rear section mounted on top of the second battery module assembly ( 32 ), and an intermediate section ( 42 ) extending between the front and rear sections of conduction housing ( 40 ) and disposed between the two footwells ( 35 , 36 );
a power electronics housing ( 60 ) having power electronics ( 61 ) therein;
a terminal box ( 50 ) including at least a first terminal ( 51 ) for a first consumer ( 91 );
first conductors ( 41 ) being provided in the conduction housing ( 40 ) and electrically interconnect the first battery module assembly ( 31 ), the second battery module assembly ( 32 ), the first terminal ( 51 ), and the power electronics ( 61 ), wherein the terminal box ( 50 ) is connected to the first conductors ( 41 ) in a region adjacent to and below the intermediate section ( 42 ) of the conduction housing ( 40 ).
2 . The battery system ( 20 ) of claim 1 , wherein the power electronics housing ( 60 ) is provided at least partially on a side of the second battery module assembly ( 32 ) facing away from the first battery module assembly ( 31 ).
3 . The battery system ( 20 ) of claim 1 , wherein at least a second terminal ( 62 ) for a second consumer ( 92 ) is provided on the power electronics housing ( 60 ).
4 . The battery system ( 20 ) of claim 1 , wherein the conduction housing ( 40 ) comprises a bottom tray ( 45 ) and a lid ( 46 ), at least part of the first conductor ( 41 ) extends between the bottom tray ( 45 ) and the lid ( 46 ), the bottom tray ( 45 ) has terminal regions ( 451 , 452 , 453 , 454 ) for the first battery module assembly ( 31 ), for the second battery module assembly ( 32 ), for the terminal box ( 50 ), and for the power electronics housing ( 60 ).
5 . The battery system ( 20 ) of claim 4 , wherein the terminal box ( 50 ) is fastened to the bottom tray ( 45 ).
6 . The battery system ( 20 ) of claim 5 , further comprising at least one seal ( 401 , 402 ) at least at one sealing point selected from the group consisting of:
a region between the bottom tray ( 45 ) and the terminal box ( 50 );
a region between the bottom tray ( 45 ) and the first battery module assembly ( 31 );
a region between the bottom tray ( 45 ) and the second battery module assembly ( 32 );
a region between the bottom tray ( 45 ) and the power electronics housing ( 60 ); and
a region between the bottom tray ( 45 ) and the lid ( 46 ).
7 . The battery system ( 20 ) of claim 1 , wherein the terminal box ( 50 ) comprises at least one fuse ( 52 ) to prevent excessive current through the first conductors ( 41 ), and wherein the terminal box ( 50 ) comprises an opening ( 53 ) at its bottom with a lid ( 54 ) to allow a replacement of the fuse ( 52 ) through the opening ( 53 ) when the lid ( 54 ) is removed.
8 . A vehicle ( 10 ) configured as an electrically or semi-electrically vehicle ( 10 ) and comprising the battery system ( 20 ) of claim 4 .
9 . The vehicle of claim 8 , comprising first seats ( 11 ) and second seats ( 12 ) arranged behind the first seats ( 11 ), and the footwells ( 35 , 36 ) being in front of the second seats ( 12 ).
10 . The vehicle of claim 8 , wherein at least part of the first battery module assembly ( 31 ) is arranged under the first seats ( 11 ), and wherein at least part of the second battery module assembly ( 32 ) is arranged under the second seats ( 12 ).
11 . The vehicle of claim 8 , further comprising a connecting cable ( 93 ) connected to the first terminal ( 51 ), at least sections of the connection cable ( 93 ) extending from the first terminal ( 51 ) along the conduction housing ( 40 ) and into a front region ( 13 ) of the vehicle ( 10 ) to connect to the first consumer ( 91 ), and at least sections of the connecting cable ( 93 ) extending parallel to the conduction housing ( 40 ).
12 . The vehicle of claim 8 , further comprising removable components ( 100 ) on a bottom of the vehicle and being configured to allow a removal of the battery system ( 20 ) from the bottom of the vehicle ( 10 ).
13 . A method for manufacturing the vehicle ( 10 ) of claim 8 , the vehicle ( 10 ) comprising a body ( 15 ), a front axle ( 101 ), a rear axle ( 102 ), and a third consumer ( 91 , 92 ) having a connecting cable ( 93 ), the method comprising:
assembling the bottom tray ( 45 ) of the conduction housing ( 40 ) to the terminal box ( 50 ) from above;
positioning the first conductors ( 41 ) on the bottom tray ( 45 ) and connecting the first conductors ( 41 ) to the first battery module assembly ( 31 ), the second battery module assembly ( 32 ), the terminal box ( 50 ), and the power electronics housing ( 60 );
positioning and securing the lid ( 46 ) on the bottom tray ( 45 ) to produce the battery system ( 20 );
positioning the battery system ( 20 ), the front axle ( 101 ), the rear axle ( 102 ), and the third consumer ( 91 , 92 ) on an assembly support ( 120 );
connecting the third consumer ( 91 , 92 ) to the first terminal ( 51 ) or to the second terminal ( 62 ) via the connecting cable ( 93 );
moving the battery system ( 20 ), the front axle ( 101 ), the rear axle ( 102 ), and the third consumer ( 91 , 92 ) into the body ( 15 ) simultaneously; and
mechanically joining the battery system ( 20 ), the front axle, ( 101 ), the rear axle ( 102 ), and the third consumer ( 91 , 92 ) to the body ( 15 ).
14 . The battery system of claim 1 , wherein the first and second battery module assemblies ( 31 , 32 ) are not enclosed in a common battery box.
15 . The vehicle of claim 8 , wherein the first and second battery module assemblies ( 31 , 32 ) are not enclosed in a common battery box.