CN-121989662-A - Battery module vibration isolation

Abstract

The battery module is vibration isolated. A vibration damping mounting system mounts a battery module to a chassis of a vehicle includes a top mount coupled to the battery module, a lower mount coupled to at least one of a mounting bracket on a rear panel of the battery module and a bottom surface of the battery module, and a vibration damping element coupled to the lower mount. The vibration damping element may be at least one of a rubber damper, a spring, a torsion bar, and an air bag damper. The vibration damping element may be controlled by passive damping or active damping.

Inventors

• RICHARDS KIERAN J

Assignees

• 康明斯公司

Dates

Publication Date

20260508

Application Date

20251031

Priority Date

20241101

Claims (20)

1. 1. A vibration damping mounting system configured to mount a battery module to a chassis of a vehicle, comprising: a top mount coupled to the battery module; A lower mount coupled to at least one of a mounting bracket on the rear panel of the battery module and a bottom surface of the battery module, and A vibration damping element coupled to the lower mount.
2. 2. The vibration damping mounting system of claim 1, wherein the lower mount comprises a lower chassis mount extending from the chassis of the vehicle, and a lower battery mount extending from at least one of the mounting bracket on the rear panel of the battery module and the bottom surface of the battery module.
3. 3. The vibration damping mounting system of claim 2, wherein the lower chassis mount and the lower battery mount each comprise a pivot point configured for hinged movement such that the position of the battery module relative to the vehicle chassis changes.
4. 4. A vibration damping mounting system according to any one of claims 1 to 3, wherein the top mount comprises a chassis mounting pin.
5. 5. A vibration damping mounting system according to any one of claims 1 to 3, wherein the vibration damping element is one of a damper and a torsion bar.
6. 6. A vibration damping mounting system according to any one of claims 1 to 3, wherein the vibration damping element comprises a spring and a damper.
7. 7. A vibration damping mounting system according to any one of claims 1 to 3, wherein the vibration damping element is an air bag damper, wherein the air bag damper comprises a pneumatic valve that controls the damping rate of the air bag damper.
8. 8. A vibration damping mounting system according to any one of claims 1 to 3, wherein the vibration damping element is a passive damping element having a fixed damping rate.
9. 9. The vibration damping mounting system of claim 8, wherein the vibration damping element is a rubber damper, and wherein the rubber damper is one of a disk, a pad, a bumper block, a guard, and a block.
10. 10. The vibration damping mounting system of claim 8, wherein the vibration damping element is a rubber damper, and wherein the rubber damper is filled with a viscous material.
11. 11. A vibration damping mounting system configured to mount a battery module to a chassis of a vehicle, comprising: a top mount coupled to the battery module; a lower mount coupled to at least one of a mounting bracket on a rear panel of the battery module or a bottom surface of the battery module; A vibration damping element coupled to the lower mount, and An accelerometer module, the accelerometer module comprising: an accelerometer configured to determine acceleration forces experienced by the battery module in about 6 degrees of freedom in X, Y and Z axes; an actuator configured to increase or decrease a damping rate of the vibration damping element, and A control unit configured to receive signals from the accelerometer and to send instructions to the actuator.
12. 12. The vibration damped mounting system of claim 11, wherein the accelerometer module further comprises a GPS module configured to collect GPS data, and wherein the GPS data comprises at least one of a change in terrain elevation, a sharp turn on a road, a travel speed of the vehicle, and a real-time location of the vehicle.
13. 13. The vibration damping mounting system of claim 11, wherein the accelerometer module further comprises a GPS module configured to collect GPS data, and wherein the control unit is further configured to receive the GPS data from the GPS and create a predictive map based on the GPS data.
14. 14. The vibration damping mounting system of any one of claims 11-13, wherein the control unit is disposed on the vehicle.
15. 15. The vibration damping mounting system of any one of claims 11 to 13 wherein the control unit is located remotely from the vehicle, wherein the accelerometer and the actuator are located on the vehicle.
16. 16. A method of controlling a vibration damping system of a battery module using real-time active damping, comprising: transmitting an accelerometer signal from the accelerometer to the control unit; Wherein the accelerometer transmits signals for indicating 6 degrees of freedom vibration in X, Y and Z axes; processing the accelerometer signal from the accelerometer with the control unit to determine a vibration damping required to dampen the vibrations of the battery module; transmitting a damping rate signal from the control unit to the actuator, and The damping rate of the vibration damping element is adjusted by actuating the actuator such that the damping rate of the vibration damping element dampens the vibrations of the battery module.
17. 17. The method of claim 16, the method further comprising: transmitting the GPS data to a control unit; Creating a predictive map of predicted vibration of the battery module based on the GPS data; determining the location of the battery module in the predictive map, and The damping rate of the vibration damping element is adjusted by the actuator according to the position of the battery module in the prediction map to minimize vibration of the battery module.
18. 18. The method of claim 17, wherein the GPS data includes information related to at least one of altitude changes, terrain, sharp bends in the road, and speed of the vehicle.
19. 19. The method of any one of claims 16 to 18, wherein adjusting the damping rate comprises the actuator adjusting a pneumatic valve of a balloon vibration damping element to increase or decrease the damping rate of the balloon vibration damping element.
20. 20. The method of any of claims 16-18, wherein adjusting the damping rate comprises the actuator adjusting at least one of spring compression, spring rate, torsion, and damper shock absorbing capacity to increase or decrease the damping rate of the vibration damping element.

Description

Battery module vibration isolation Technical Field The present disclosure relates generally to a battery module vibration isolation system for mounting a battery module on a large equipment vehicle (e.g., a mining truck). Background Large equipment vehicles, such as haul trucks, mining vehicles, cranes, bulldozers, etc., may require high power sources to accommodate the workload and/or the vast size of the vehicle. Large utility vehicles may be equipped with battery packs to increase peak power output during hill climbing, assist braking, recover energy during downhill climbing, and provide other forms of power to the engine. Large utility vehicles may experience rough terrain, vibration, steep uphill and downhill, and other movements during operation, resulting in shock and vibration transfer to the vehicle chassis. These shocks and vibrations may damage the battery module coupled to the vehicle chassis if not effectively managed or damped. Disclosure of Invention The present disclosure provides a vibration damping mounting system configured to mount a battery module to a vehicle chassis, including a top mount coupled to the battery module, a lower mount coupled to at least one of a mounting bracket on a rear panel of the battery module and a bottom surface of the battery module, and a vibration damping element coupled to the lower mount. In another aspect of the vibration damping mounting system, the lower mount includes a lower chassis mount extending from the vehicle chassis and a lower battery mount extending from at least one of a mounting bracket on the battery module rear panel and a battery module bottom surface. Further, the lower chassis mount and the lower battery mount each include a pivot point configured to effect a hinge motion to vary the position of the battery module relative to the vehicle chassis. In yet another aspect of the vibration damping mounting system, the top mount includes a chassis mounting pin. In another aspect of the vibration damping mounting system, the vibration damping element is one of a damper and a torsion bar. In another aspect of the vibration damping mounting system, the vibration damping element comprises a spring. In another aspect of the vibration damping mounting system, the vibration damping element includes a spring and a damper. In another aspect of the vibration damping mounting system, the vibration damping element is an air bag damper. In addition, the air bag damper includes a pneumatic valve for controlling a damping rate of the air bag damper. In a further aspect of the vibration damping mounting system, the vibration damping element is a passive damping element having a fixed damping rate. In another aspect of the vibration damping mounting system, the vibration damping element is a rubber damper. Further, the rubber damper is one of a disk, a washer, a bumper, a guard, or a block. In yet another aspect, the rubber damper is internally filled with a viscous material. The present disclosure also provides a vibration damping mounting system configured to mount a battery module to a vehicle chassis, including a top mount coupled to the battery module, a lower mount coupled to at least one of a mounting bracket on a rear panel of the battery module and a bottom surface of the battery module, a vibration damping element coupled to the lower mount, and an accelerometer module. The accelerometer module includes an accelerometer configured to measure acceleration forces of the battery module in X, Y and Z-axis directions of about 6 degrees of freedom, an actuator for increasing or decreasing a damping rate of the vibration damping element, and a control unit configured to receive signals from the accelerometer and send instructions to the actuator. In another aspect of the accelerometer module, the accelerometer module further comprises a GPS module configured to acquire GPS data. In addition, the GPS data includes at least one of terrain elevation changes, road sharp bends, vehicle travel speed, and vehicle position. In yet another aspect of the vibration damping mounting system, the control unit is further configured to receive GPS data from the GPS and generate a predictive map based on the GPS data. In another aspect of the vibration damping mounting system, the control unit is disposed on the vehicle. In one aspect of the vibration damping mounting system, the control unit is located remotely from the vehicle. Furthermore, the accelerometer and the actuator are provided on the vehicle. The present disclosure further provides a method of controlling a vibration damping system of a battery module using real-time active damping, the method comprising transmitting an accelerometer signal from the accelerometer to a control unit, processing the accelerometer signal from the accelerometer with the control unit to determine how much vibration damping is required to dampen vibration of the battery module, transmitting a damping rate signal from the control uni