Battery shunt implementation systems and methods
A battery system includes battery cells to store electrical energy and to output electrical power. The battery system further includes a housing, a shunt, a control board, and a connector assembly. The housing includes a cavity that the shunt is disposed in and is in direct contact with, where the cavity facilitates dissipating torsional force exerted on the shunt. The control board is disposed within the housing and includes sensing circuitry to determine an operational parameter of the battery cells and control circuitry to facilitate controlling operation of the battery cells based on the operational parameter. The connector assembly electrically couples the shunt to the sensing circuitry via a spacing connector and a securing connector. The spacing connector is disposed between the control board and an inner surface of the housing while the securing connector extends through the shunt to couple to the spacing connector through the housing.
1 . A battery system, comprising:
one or more battery cells configured to store electrical energy and to output electrical power using the electrical energy;
a first housing comprising a cavity formed on a first outer surface of the first housing;
a shunt disposed within the cavity formed in the first housing and in direct contact with the first housing;
a control board disposed within the first housing, wherein the control board comprises sensing circuitry;
a first connector assembly that electrically couples the shunt to the sensing circuitry of the control board, wherein the first connector assembly comprises a first spacing connector, and a first securing connector that extends through the shunt and is coupled to the first spacing connector through the first housing; and
a second connector assembly that electrically couples the shunt to the sensing circuitry of the control board, wherein the second connector assembly comprises a second spacing connector, and a second securing connector that extends through the shunt and is coupled to the second spacing connector through the first housing.
2 . The battery system of claim 1 , comprising a first bus bar electrically coupled between the one or more battery cells and the shunt, wherein the shunt comprises a first shunt post directly coupled to the first bus bar.
3 . The battery system of claim 2 , wherein the first shunt post extends from the shunt in a direction parallel to a first side surface of the shunt.
4 . The battery system of claim 1 , comprising a second bus bar electrically coupled to the shunt, wherein the shunt comprises a second shunt post directly coupled to the second bus bar.
5 . The battery system of claim 1 , wherein the first housing comprises press fit ridges formed along a first sidewall of the cavity to facilitate securing the shunt within the cavity.
6 . The battery system of claim 1 , comprising a battery module, wherein the battery module comprises:
a second housing, wherein the one or more battery cells, the shunt, and the control board are disposed within the second housing; and
a battery terminal configured to electrically couple the battery module to an electrical device, wherein the shunt is electrically coupled between the one or more battery cells and the battery terminal.
7 . The battery system of claim 1 , wherein the sensing circuitry is configured to determine an operational parameter of the one or more battery cells using the shunt.
8 . The battery system of claim 1 , wherein:
the first securing connector is configured to be coupled to a first end of the first spacing connector through the control board; and
the first securing connector is configured to be coupled to a second end of the second spacing connector opposite the first end.
9 . The battery system of claim 8 , wherein:
the first spacing connector comprises a conductive bridge; and
the first securing connector and the second securing connector each comprise a screw where each screw extends through the shunt with the screws extending through opposite surfaces of the first housing respectively, and with each screw extending through the conductive bridge.
10 . A battery system, comprising:
a housing comprising a cavity formed on a first outer surface of the housing;
a shunt disposed within the cavity formed in the housing and in direct contact with the housing, wherein the shunt is configured to be electrically coupled to a bus bar of the battery system;
a control board disposed within the housing, wherein the control board comprises sensing circuitry configured to determine an operational parameter of the battery system;
a first connector assembly that electrically couples the shunt to the sensing circuitry of the control board, wherein the first connector assembly comprises a first spacing connector, and a first securing connector that extends through the shunt and is coupled to the first spacing connector through the housing; and
a second connector assembly that electrically couples the shunt to the sensing circuitry of the control board, wherein the second connector assembly comprises a second spacing connector, and a second securing connector that extends through the shunt and is coupled to the second spacing connector through the housing.
11 . The battery system of claim 10 , wherein the shunt comprises a first shunt post and a second shunt post, wherein the shunt is configured to be electrically coupled to the bus bar via the first shunt post or the second shunt post.
12 . The battery system of claim 10 , wherein the housing comprises an insulative material configured to impede a current flow through the housing.
13 . The battery system of claim 10 , wherein:
the first spacing connector comprises a conductive bridge;
the first securing connector and the second securing connector each comprise a screw where each screw extends through the shunt with the screws extending through opposite surfaces of the housing respectively, and with each screw extending through the conductive bridge;
the second spacing connector comprises a receptacle cup secured to the control board; and
the second securing connector comprises a press fit pin that extends into the receptacle cup.
14 . The battery system of claim 10 , wherein a current is configured to flow through the shunt, the first connector assembly, the second connector assembly, and the control board, wherein the operational parameter is an amount of the current.
15 . The battery system of claim 13 , wherein with sensing circuitry is implemented to determine an operational parameter of the battery system.
16 . The battery system of claim 15 , wherein a current is implemented to flow through the shunt, the two oppositely opposed screws, the conductive bridge, and the control board, wherein the operational parameter is an amount of the current.
17 . A battery system, comprising:
one or more battery cells configured to store electrical energy and to output electrical power using the electrical energy;
a first housing comprising a cavity formed on a first outer surface of the first housing;
a shunt disposed within the cavity formed in the first housing and in direct contact with the first housing;
a control board disposed within the first housing, wherein the control board comprises sensing circuitry;
a first connector assembly that electrically couples the shunt to the sensing circuitry of the control board, wherein the first connector assembly comprises a first spacing connector, and a first securing connector that extends through the shunt and is coupled to the first spacing connector through the first housing; and
a battery module, wherein the battery module comprises:
a second housing, wherein the one or more battery cells, the shunt, and the control board are disposed within the second housing; and
a battery terminal configured to electrically couple the battery module to an electrical device, wherein the shunt is electrically coupled between the one or more battery cells and the battery terminal.
18 . The battery system of claim 17 , comprising a first bus bar electrically coupled between the one or more battery cells and the shunt, wherein the shunt comprises a first shunt post directly coupled to the first bus bar.
19 . The battery system of claim 18 , wherein the first shunt post extends from the shunt in a direction parallel to a first side surface of the shunt.
20 . The battery system of claim 17 , comprising a second bus bar electrically coupled to the shunt, wherein the shunt comprises a second shunt post directly coupled to the second bus bar.
21 . The battery system of claim 17 , comprising a second connector assembly that electrically couples the shunt to the sensing circuitry of the control board, wherein the second connector assembly comprises a second spacing connector, and a second securing connector that extends through the shunt and is coupled to the second spacing connector through the first housing.
22 . The battery system of claim 21 , wherein:
the first securing connector is configured to be coupled to a first end of the first spacing connector through the control board; and
the first securing connector is configured to be coupled to a second end of the second spacing connector opposite the first end.
23 . The battery system of claim 22 , wherein:
the first spacing connector comprises a conductive bridge; and
the first securing connector and the second securing connector each comprise a screw where each screw extends through the shunt with the screws extending through opposite surfaces of the first housing respectively, and with each screw extending through the conductive bridge.
24 . The battery system of claim 17 , wherein the first housing comprises press fit ridges formed along a first sidewall of the cavity to facilitate securing the shunt within the cavity.
25 . The battery system of claim 17 , wherein the sensing circuitry is configured to determine an operational parameter of the one or more battery cells using the shunt.