The invention discloses a kind of new-energy automobile battery cases with shock-absorbing protecting function, including cabinet, case lid and handle, the cabinet top is provided with case lid, position is provided with handle among case lid upper surface, the cabinets cavity is provided with bearing plate, position is provided with arc-shaped steel among bearing plate bottom, arc-shaped.
How can a battery pack box reduce the displacement?
Jia Feng et al. optimized components such as the carrying beam of the battery pack and box cover, which reduced the battery pack box mass by 41.7 kg, solved the problem of stress concentration on the bearing beam, and resulted in a maximum displacement reduction of 3.6 mm under quasi-static operating conditions .
How does a rigid column affect a battery pack box?
In the analysis of the vehicle side impact test, the rigid column invades the electric vehicle, which deforms the sill beam and the side of the battery pack box. Figure 10 shows the distribution of the stress nephogram of the battery pack box during the collision.
What is a battery pack box structure?
The power battery is the only source of power for battery electric vehicles, and the safety of the battery pack box structure provides an important guarantee for the safe driving of battery electric vehicles. The battery pack box structure shall be of good shock resistance, impact resistance, and durability.
How does a battery pack box work?
The battery pack box is bolted to the chassis structure of the vehicle through the lifting lugs and fixed to the chassis of the vehicle. The internal structure of the battery pack box is shown in Fig. 8. The structure includes the upper-pressure rod, the upper-pressure cover, and the inner frame.
Can aluminum and high-strength steel connect a battery pack box?
Li et al. analyzed the connection between aluminum and high-strength steel, expounded on the current status of the connection technology of new energy vehicle battery pack boxes, and put forward the point of view that the connection-related issues such as matrix damage, interface failure, and long welding cycle need to be further studied .
Where is the battery pack box arranged?
The battery pack box of the target vehicle is arranged under the chassis, below the floor of the passenger compartment, disassembled from the electric vehicle. The appearance structure of the box is shown in Fig. 3. After removing the upper cover, the battery pack module is presented, and the structure is shown in Fig. 4.