CN-224217865-U - Adapter, energy storage device and electric equipment

Abstract

The application discloses an adapter, an energy storage device and electric equipment, wherein the adapter comprises a body, a first adapter body and a second adapter body, the first adapter body and the second adapter body are positioned on two opposite sides of the body in the width direction and are arranged at intervals with the body, a first fusing part is connected between the first adapter body and the body, a second fusing part is connected between the second adapter body and the body, the first fusing part and the second fusing part are oppositely arranged in the width direction of the body, the first fusing part separates a gap between the first adapter body and the body into a first gap and a second gap in the length direction of the adapter, the second fusing part separates the gap between the second adapter body and the body into a third gap and a fourth gap, the first gap and the second gap are arranged in a staggered mode, and the third gap and the fourth gap are arranged in a staggered mode in the length direction of the adapter.

Inventors

• JIN DONGMING
• Gong Shiding
• Xiao Hepan

Assignees

• 厦门海辰储能科技股份有限公司

Dates

Publication Date

20260508

Application Date

20250429

Claims (11)

1. 1. The adapter is characterized by comprising a body, a first adapter body and a second adapter body, wherein the first adapter body and the second adapter body are positioned on two opposite sides of the body in the width direction and are arranged at intervals with the body; a first fusing part is connected between the first adapter body and the body, a second fusing part is connected between the second adapter body and the body, and the first fusing part and the second fusing part are oppositely arranged in the width direction of the body; In the length direction of the adaptor, the first fusing part divides a gap between the first adaptor and the body into a first gap and a second gap, and the second fusing part divides a gap between the second adaptor and the body into a third gap and a fourth gap; In the length direction of the adaptor, the first gap and the second gap are arranged in a staggered mode, and the third gap and the fourth gap are arranged in a staggered mode.
2. 2. The adapter according to claim 1, wherein the first slit and the second slit portion are disposed offset in a length direction of the adapter, and the third slit and the fourth slit portion are disposed offset.
3. 3. The adapter according to claim 1, wherein a welding portion is provided on the body, the welding portion being located between the first slit and the third slit, and a thickness of the welding portion being smaller than a thickness of other portions of the body.
4. 4. The adapter according to claim 3, wherein the body is further provided with an escape opening penetrating through a surface in a thickness direction of the body and an end away from the welded portion, the escape opening being located between the second slit and the fourth slit.
5. 5. The adapter according to any one of claims 1-4 wherein the body comprises a first section and a second section, the first section and the second section being connected along the length of the body, the first section having a width greater than a width of the second section, the first section and the first adapter forming the first gap therebetween, the first section and the second adapter forming the third gap therebetween.
6. 6. The adapter according to claim 5, wherein the first adapter body comprises a first portion and a second portion connected to the first portion, the second portion extending toward a side of the first section of the body with a first extension, the first fuse connected to the first extension and the first section; The second adapter comprises a third part and a fourth part connected with the third part, a second extension part extends towards one side of the first section of the body, the second fusing part is connected with the second extension part and the first section, a second gap is formed between the second section and the second part, and a fourth gap is formed between the second section and the fourth part.
7. 7. The adapter is characterized by comprising a body, a first adapter body and a second adapter body, wherein the first adapter body and the second adapter body are positioned on two opposite sides of the body in the width direction and are arranged at intervals with the body; The first adapter comprises a first part and a second part connected with the first part, a first extension part extends towards one side of the body from the second part, the second adapter comprises a third part and a fourth part connected with the third part, a second extension part extends towards one side of the body from the fourth part, A first fusing part is connected between the first extension part and the body, and a first gap is formed between the first part and the body; a second fusing part is connected between the second extension part and the body, and a third gap is formed between the body and the third part; The second part and the fourth part are opposite to each other in the width direction of the adapter, the second part, the fourth part, the first extension part and the second extension part enclose with one end of the body to form an avoidance opening, in the length direction of the adapter, the avoidance opening is opposite to part of the first gap and part of the third gap, and the orthographic projection of the first fusing part and the second fusing part in the length direction of the adapter is completely located in the avoidance opening.
8. 8. The adapter according to claim 7, wherein a weld is provided on the body, the weld being located between the first and third slits, the weld having a thickness that is less than a thickness of other portions of the body.
9. 9. The adapter according to claim 7, wherein the body includes a first end and a second end, the first end and the second end being disposed opposite along a length of the body, the second end being contoured in an arc that projects toward the first end; The end part of the first fusing part, which is away from the first gap, is connected with the side surface of the second part and the second end, and the end part of the second fusing part, which is away from the third gap, is connected with the side surface of the fourth part and the second end.
10. 10. An energy storage device comprising an end cap assembly, an electrode assembly and the adapter of any one of claims 1-9, wherein the end cap assembly comprises a pole, the electrode assembly comprises two pole lugs, the adapter is connected to one side of the end cap assembly facing the electrode assembly, the pole lugs are welded to and communicated with the body, and the first adapter and the second adapter are respectively connected with and communicated with the pole lugs.
11. 11. A powered device comprising the energy storage device of claim 10 for storing electrical energy.

Description

Adapter, energy storage device and electric equipment Technical Field The application relates to the technical field of energy storage, in particular to an energy storage device and electric equipment. Background Secondary batteries, also called rechargeable batteries or secondary batteries, are batteries that can be used continuously by activating active materials by charging after the battery is discharged. The recyclable characteristic of the secondary battery gradually becomes a main power source of electric equipment, and as the demand of the secondary battery gradually increases, people have higher requirements on energy density and safety and reliability. The switching piece is a main component for connecting the battery core and the pole, and how to ensure the safety and the reliability is a problem to be solved in industry under the premise of ensuring the energy density. Disclosure of utility model The application provides an adapter, an energy storage device and electric equipment, wherein the adapter has enough overcurrent capacity and can ensure the safety performance of an electric core. The embodiment provides an adapter, which comprises a body, a first adapter body and a second adapter body, wherein the first adapter body and the second adapter body are positioned on two opposite sides of the body in the width direction and are arranged at intervals with the body; A first fusing part is connected between the first adapter body and the body, two fusing parts are connected between the second adapter body and the body, and the first fusing part and the second fusing part are oppositely arranged in the width direction of the body; In the length direction of the adaptor, the first fusing part divides a gap between the first adaptor and the body into a first gap and a second gap, and the second fusing part divides a gap between the second adaptor and the body into a third gap and a fourth gap; In the length direction of the adaptor, the first gap and the second gap are arranged in a staggered mode, and the third gap and the fourth gap are arranged in a staggered mode. In this embodiment, the first slit and the second slit are located on opposite sides of the first fusing part and are dislocated, that is, in the width direction of the connecting piece, the width of the overlapping portion between the first slit and the second slit is the width of the first fusing part, compared with the width of the first fusing part when the first slit and the second slit are completely overlapped, and under the condition that the first slit or the second slit is not present, the width of the first fusing part is smaller, that is, the overcurrent area is smaller, the overcurrent area of the first fusing part is reduced under the premise of ensuring the connection strength and the processing technology, so that the first fusing part can be fused more quickly, the fusing rate of the first adapter is improved, and the safety performance is improved. Similarly, the third gap and the fourth gap are located on opposite sides of the second fusing part and are staggered, the width of the second fusing part of the embodiment is smaller, the second fusing part can be fused more quickly on the premise of ensuring the connection strength, the fusing speed of the second switching body is improved, and the safety performance is improved. Moreover, the first gap and the second gap are arranged in a staggered manner, and the third gap and the fourth gap are arranged in a staggered manner, which is equivalent to increasing the area of the first adapter body and the area of the second adapter body, so that the first adapter body and the second adapter body have enough area to promote overcurrent, and the overcurrent capacity of the adapter is further improved. In one embodiment, in the length direction of the adaptor, the first slit and the second slit are arranged in a staggered manner, and the third slit and the fourth slit are arranged in a staggered manner. In one embodiment, the body is provided with a welding part, the welding part is located between the first gap and the third gap, and the thickness of the welding part is greater than that of other parts of the body. In one embodiment, the body is further provided with an avoidance port, the avoidance port penetrates through the surface of the body in the thickness direction and is far away from one end of the welding portion, and the avoidance port is located between the second gap and the fourth gap. In one embodiment, the body includes a first section and a second section, the first section and the second section are connected along the length direction of the body, the width of the first section is greater than the width of the second section, the first section and the first adapter form the first gap therebetween, and the first section and the second adapter form the third gap therebetween. In one embodiment, the first adapter body comprises a first part and a second pa