Power battery cover and power battery
AssigneeShenzhen Kedali Industry Co. Ltd.
InventorJianju Li
Life of this patent
Estimating the term…
Abstract
The present application relates to the technical field of power batteries, and specifically discloses a power battery cover and a power battery. The power battery cover includes a copper-aluminum composite terminal, a top cover, a seal, an upper plastic insulator and a lower plastic insulator. The copper-aluminum composite terminal is disposed to pass through the top cover, the upper plastic insulator and the lower plastic insulator. The copper-aluminum composite terminal includes a copper base body part and an aluminum base body part connected to each other, and a composite connection surface is formed between the aluminum base body part and the copper base body part, and sealed and wrapped by the seal.
Claims19
A power battery cover, comprising:
- a top cover;
- a copper-aluminum composite terminal, wherein the copper-aluminum composite terminal is disposed to pass through the top cover, and the copper-aluminum composite terminal comprises a copper base body part and an aluminum base body part connected to each other, wherein the copper base body part comprises a first base body part and a first column body part, the aluminum base body part comprises a second column body part and a third column body part;
- a diameter of the second column body part is equal to a diameter of the first column body part, and an end surface of the first column body part and an end surface of the second column body part are connected to form a composite connection surface;
- a seal, wherein the seal is clamped between the copper-aluminum composite terminal and the top cover, and the seal seals and wraps the composite connection surface;
- an upper plastic insulator, wherein the upper plastic insulator is disposed above the top cover, and the copper-aluminum composite terminal is disposed to pass through the upper plastic insulator;
- and
- a lower plastic insulator, wherein the lower plastic insulator is disposed below the top cover and clamped between the top cover and the copper-aluminum composite terminal.
A power battery, comprising a power battery cover, wherein the power battery cover comprises:
- a top cover;
- a copper-aluminum composite terminal, wherein the copper-aluminum composite terminal is disposed to pass through the top cover, and the copper-aluminum composite terminal comprises a copper base body part and an aluminum base body part connected to each other, wherein the copper base body part comprises a first base body part and a first column body part, the aluminum base body part comprises a second column body part and a third column body part;
- a diameter of the second column body part is equal to a diameter of the first column body part, and an end surface of the first column body part and an end surface of the second column body part are connected to form a composite connection surface;
- a seal, wherein the seal is clamped between the copper-aluminum composite terminal and the top cover, and the seal seals and wraps the composite connection surface;
- an upper plastic insulator, wherein the upper plastic insulator is disposed above the top cover, and the copper-aluminum composite terminal is disposed to pass through the upper plastic insulator;
- and
- a lower plastic insulator, wherein the lower plastic insulator is disposed below the top cover and clamped between the top cover and the copper-aluminum composite terminal.
Dependencies are inferred from the claim text.