4results about How to "Avoid interpolation" patented technology

The embodiment of the utility model provides a kind of secondary battery and electronic device, secondary battery includes: shell, define accommodating cavity;Cover plate component, for sealing shell;Two groups of electrode components, oppositely set in accommodating cavity, cover plate component includes adapter piece, two groups of electrode components include main body and negative electrode tab extending from main body respectively, negative electrode tab is electrically connected to adapter piece;First adhesive tape, set in the inner side of negative electrode tab away from shell;Reinforcing layer, at least part of reinforcing layer is located on negative electrode tab, wherein, in the thickness direction of each group of electrode components, the orthographic projection of reinforcing layer is completely located in first adhesive tape.The above technical scheme of the utility model, at least can prevent negative electrode tab to wrinkle by reinforcing layer, simultaneously avoid reinforcing layer to fall off and influence battery performance.

This utility model relates to the field of new energy battery technology and discloses a battery cell and a battery pack. The battery cell has a vertical first direction and a second direction. The battery cell includes: an electrode assembly, including a main body and a tab, the tab including a connecting part connected to the main body and a bent part connected to the connecting part; a cover plate, including a plate body and a lower plastic part connected to the plate body; a pole, fixedly connected to the plate body; an adapter piece, electrically connecting the pole and the tab; one of the adapter piece and the lower plastic part is provided with a positioning post and the other is provided with a first positioning hole, the positioning post and the first positioning hole are provided at least two at intervals along the second direction, the positioning post passes through the first positioning hole along the first direction; a bracket, sandwiched between the main body and the bent part, the bracket supports the bent part along the first direction, the bracket is provided with a second positioning hole that passes through the bracket along the first direction, the second positioning hole corresponds one-to-one with the positioning post, the positioning post passes through the second positioning hole along the first direction.

The invention relates to the technical field of in-pump flow field analysis, and discloses an in-pump flow field prediction method based on an arbitrary shape immersion boundary method, a terminal and a medium. The method comprises the following steps: importing a fixed boundary part model in a pump, and analyzing and identifying a fluid domain according to the model; dividing a fluid domain grid based on a Cartesian grid, and refining a local grid of the fluid domain grid to generate a computational domain of the pump body; importing a rotating part model in the pump, and combining the fluid domain grid and the rotating part model to update the computational domain; setting a rotation parameter, a boundary condition, a used solving format and a turbulence model, and completing initialization; and solving the flow field by using an immersion boundary method based on any shape. According to the method, the impeller is virtually embedded into the fluid domain grid, the solid-liquid boundary is automatically identified and processed, the rigid body speed of the impeller is forcibly applied through a constructive force item, the speed field and the pressure field in the pump are rapidly and accurately solved under the condition that a complex body-fitted grid does not need to be generated, and the simulation efficiency and the prediction precision are improved.

The application relates to the technical field of battery processing, in particular to a battery and a battery pack. The battery comprises: a battery cell; a tab connected to the battery cell; a sleeve structure comprising an insulating sleeve and a reinforcing rib, the insulating sleeve is sleeved on the tab, and the reinforcing rib is connected to the insulating sleeve. The reinforcing rib is used for providing radial restoring force, so that the insulating sleeve is tightly attached to the tab after being sleeved on the tab. The insulating sleeve is sleeved on the tab, and the reinforcing rib provides additional radial restoring force, so that the insulating sleeve can be tightly attached to the tab after being sleeved on the tab. The multiple tabs are shaped and regularized, the tabs are prevented from being folded and inserted during the assembly process, and after the assembly of the battery cell is completed, the insulating sleeve is recovered, the tabs are insulated and isolated, the tabs are prevented from contacting the pole pieces to cause internal short circuit, the problems of tab redundant insertion and internal short circuit failure are effectively solved, and the safety and reliability of the battery cell are improved.