CN216054850U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
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- CN216054850U CN216054850U CN202122590592.5U CN202122590592U CN216054850U CN 216054850 U CN216054850 U CN 216054850U CN 202122590592 U CN202122590592 U CN 202122590592U CN 216054850 U CN216054850 U CN 216054850U
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- lithium ion
- electrode
- ion battery
- control board
- battery cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a lithium ion battery, and relates to the technical field of batteries. The lithium ion battery comprises a cylindrical shell, an electric core and a control panel, wherein the electric core is accommodated in the cylindrical shell and is annularly provided with a roller groove, the control panel is embedded into the roller groove, a first electrode is arranged on the control panel, and the first electrode is electrically connected with one of a positive electrode and a negative electrode of the electric core. The lithium ion battery provided by the utility model has the characteristics of convenience in assembly and high efficiency.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a lithium ion battery.
Background
At present, the two ends of a lithium ion battery on the market are respectively provided with a positive electrode cover plate and a negative electrode cover plate, and the positive electrode cover plate and the negative electrode cover plate are connected with a shell in a welding mode in the production and assembly process, so that the operation is complex, and the assembly efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lithium ion battery which has the characteristics of convenience in assembly and high efficiency.
The utility model provides a technical scheme that:
a lithium ion battery comprises a cylindrical shell, an electric core and a control panel, wherein the electric core is contained in the cylindrical shell, the cylindrical shell is respectively provided with a closed end and an open end, a roller groove is annularly formed in the inner side wall of the open end, the control panel is embedded into the roller groove, a first electrode is arranged on the control panel, and the first electrode is electrically connected with one of the anode and the cathode of the electric core.
Further, the control panel is further provided with a switching part, the switching part and the first electrode are insulated from each other, the remaining one of the positive electrode and the negative electrode of the battery cell is electrically connected with the switching part, and the switching part is embedded into the roller groove and is electrically connected with the cylindrical shell.
Further, a second electrode is arranged on the end wall of the closed end in a protruding mode, and the second electrode is electrically connected with the adapter part through the cylindrical shell.
Furthermore, one end of the battery cell, which is close to the control board, is respectively provided with a positive electrode guide pin and a negative electrode guide pin in a protruding manner, one of the positive electrode guide pin and the negative electrode guide pin is electrically connected with the first electrode, and the remaining one of the positive electrode guide pin and the negative electrode guide pin is electrically connected with the switching part.
Furthermore, the inner wall of the opening end is also provided with a limiting bulge in an annular direction, one side of the limiting bulge is connected with the groove wall of one side, close to the battery cell, of the roller groove, and one side, far away from the roller groove, of the limiting bulge is in contact with the end wall of the battery cell.
Further, the end wall of the opening end is connected with the groove wall of one side, away from the battery core, of the roller groove, and the end wall of the opening end is attached to one side, away from the battery core, of the control panel.
Furthermore, the first electrode is convexly arranged on one side of the control board, which is far away from the battery core, and the first electrode extends out of the cylindrical shell from the opening end.
Further, the cylindrical shell and the battery cell are cylindrical, the control panel is circular, and the cylindrical shell and the battery cell and the control panel are coaxially arranged.
Further, the control panel is also provided with a pressure relief hole.
Furthermore, the control panel is also provided with an LED light outlet.
Compared with the prior art, one end of the cylindrical shell of the lithium ion battery provided by the utility model is closed, and the open end of the cylindrical shell is matched with the control board by arranging the roller groove structure, so that the battery core is blocked and serves as an electrode of the battery. Compared with the existing lithium ion battery with two welded ends, the lithium ion battery pack is convenient and fast to assemble. Therefore, the lithium ion battery provided by the utility model has the beneficial effects that: the assembling process is convenient and fast, and the labor cost and the time cost are saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the utility model and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a cross-sectional view of a lithium ion battery provided in a first embodiment of the present invention;
fig. 2 is an exploded schematic view of a lithium ion battery according to a first embodiment of the present invention;
fig. 3 is a cross-sectional view of a lithium ion battery provided in a second embodiment of the present invention;
fig. 4 is an exploded schematic view of a lithium ion battery according to a second embodiment of the present invention.
Icon: 100-a lithium ion battery; 110-a cylindrical housing; 111-closed end; 1111-a second electrode; 113-open end; 1131, roller groove; 1133, a limiting bulge; 130-electric core; 131-positive electrode guide pin; 133-negative pole guide pin; 150-a control panel; 151-first electrode; 153-an adaptor; 155-pressure relief hole; 157-LED light exit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
First embodiment
Referring to fig. 1 and fig. 2, fig. 1 is a cross-sectional view of a lithium ion battery 100 provided in this embodiment, and fig. 2 is an exploded schematic view of the lithium ion battery 100 provided in this embodiment.
The lithium ion battery 100 provided in this embodiment includes a cylindrical casing 110, a battery cell 130 and a control board 150, the battery cell 130 is accommodated in the cylindrical casing 110, the cylindrical casing 110 is respectively provided with a closed end 111 and an open end 113, a roller groove 1131 is circumferentially recessed on an inner side wall of the open end 113, that is, the roller groove 1131 is an annular groove coaxially disposed with the cylindrical casing 110.
The control plate 150 is inserted into the roller groove 1131, the first electrode 151 is disposed on the control plate 150, the first electrode 151 is electrically connected to the positive electrode of the battery cell 130, and the closed end 111 of the cylindrical casing 110 is electrically connected to the negative electrode of the battery cell 130. That is, the positive electrode of the lithium ion battery 100 provided in this embodiment is the first electrode 151 disposed on the control board 150, and the negative electrode is the closed end 111 of the cylindrical casing 110.
The lithium ion battery 100 provided by the embodiment has the advantages that the roller groove 1131 is formed in the opening end 113 of the cylindrical shell 110, the control board 150 is embedded into the roller groove 1131 to seal the cylindrical shell 110, and compared with an assembly mode that an anode cover plate and a cathode cover plate are welded on the market respectively, the operation is more convenient, the assembly efficiency is higher, and the labor cost and the time cost are saved.
In this embodiment, the control board 150 is further provided with a switching portion 153, the switching portion 153 is insulated from the first electrode 151, the end surface of the battery cell 130 near one end of the control board 150 is convexly provided with a positive guide pin 131 and a negative guide pin 133, the positive guide pin 131 and the negative guide pin 133 are both welded to the control board 150, the positive guide pin 131 is electrically connected to the first electrode 151, and the negative guide pin 133 is electrically connected to the switching portion 153.
It can be understood that the adaptor 153 is disposed on the periphery of the control board 150, the first electrode 151 is disposed at the center of the control board 150, and the first electrode 151 is isolated from the adaptor 153 by an insulating material.
The adapter 153 is inserted into the roller groove 1131 disposed at the open end 113 to achieve electrical connection with the cylindrical housing 110, the end wall of the closed end 111 is convexly provided with a second electrode 1111, the second electrode 1111 is electrically connected with the negative electrode guide pin 133 through the cylindrical housing 110 and the adapter 153, and the second electrode 1111 is a negative electrode of the lithium ion battery 100 provided in this embodiment.
In fact, in this embodiment, a limiting protrusion 1133 is further annularly and convexly disposed on the inner wall of the open end 113, the limiting protrusion 1133 is located between the control board 150 and the battery cell 130 in the axial direction of the cylindrical casing 110, and the limiting protrusion 1133 plays a role of limiting the battery cell 130, and separates the end wall of the battery cell 130 from the control board 150.
In this embodiment, one side of the limiting protrusion 1133 in the axial direction of the cylindrical casing 110 is connected to the roller groove 1131, and one side of the limiting protrusion 1133, which is away from the roller groove 1131 in the axial direction of the cylindrical casing 110, is in contact with the end wall of the battery cell 130, so that the limitation on the battery cell 130 is realized, and the battery cell 130 is prevented from impacting the control board 150.
It is understood that, in the actual production and assembly process, the limiting protrusion 1133 is formed after the battery cell 130 is inserted into the cylindrical housing 110 from the open end 113. In this embodiment, the cylindrical casing 110 and the battery cell 130 are both cylindrical, the control board 150 is also circular, the roller groove 1131 and the limiting protrusion 1133 are both circular, and the cylindrical casing 110, the battery cell 130 and the control board 150 are coaxially disposed.
In order to improve the fixing effect on the control board 150, in this embodiment, the end wall of the open end 113 of the cylindrical casing 110 is engaged with the groove wall of one side of the roller groove 1131 away from the battery cell 130, that is, the end wall of the open end 113 and the groove wall of one side of the roller groove 1131 away from the battery cell 130 are coplanar, the end wall of the open end 113 is attached to one side of the control board 150 away from the battery cell 130, the contact area is increased, and the locking effect on the control board 150 is improved.
In this embodiment, the first electrode 151 is a positive cap, the positive cap is convexly disposed on one side of the control board 150 away from the battery cell 130, and the positive cap extends out of the cylindrical casing 110 from the open end 113, that is, the positive cap protrudes out of the end wall of the open end 113. The second electrode 1111 is a negative electrode boss protruding from the end wall of the closed end 111.
In addition, in this embodiment, the control board 150 is further provided with a pressure relief hole 155 and an LED light outlet 157, and the pressure relief hole 155 is used for quickly relieving pressure when the electrical core 130 is short-circuited or is externally burned, so as to prevent explosion. The LED light-emitting hole 157 is electrically connected to the control board 150, and is used for displaying the charge and discharge states of the lithium ion battery 100.
Second embodiment
Referring to fig. 3 and fig. 4, fig. 3 is a cross-sectional view of the lithium ion battery 100 provided in the present embodiment, and fig. 4 is an exploded schematic view of the lithium ion battery 100 provided in the present embodiment.
Similarly, the lithium ion battery 100 provided in this embodiment includes a cylindrical casing 110, a battery cell 130 and a control board 150, the battery cell 130 is accommodated in the cylindrical casing 110, the cylindrical casing 110 is respectively provided with a closed end 111 and an open end 113, a roller groove 1131 is circumferentially recessed on an inner side wall of the open end 113, that is, the roller groove 1131 is an annular groove coaxially disposed with the cylindrical casing 110.
Unlike the first embodiment in which the control plate 150 is inserted into the roller groove 1131 and the first electrode 151 is disposed on the control plate 150, the first electrode 151 is electrically connected to the negative electrode of the battery cell 130, and the closed end 111 of the cylindrical casing 110 is electrically connected to the positive electrode of the battery cell 130. That is, the positive electrode of the lithium ion battery 100 provided in this embodiment is the closed end 111 of the cylindrical casing 110, and the negative electrode is the first electrode 151 disposed on the control board 150.
In this embodiment, the control board 150 is also provided with an adapter 153, the adapter 153 is insulated from the first electrode 151, the end surface of the battery cell 130 near one end of the control board 150 is provided with a positive guide pin 131 and a negative guide pin 133 in a protruding manner, the positive guide pin 131 and the negative guide pin 133 are both welded to the control board 150, the negative guide pin 133 is electrically connected to the first electrode 151, and the positive guide pin 131 is electrically connected to the adapter 153.
The adapter 153 is inserted into the roller groove 1131 disposed at the open end 113 to achieve electrical connection with the cylindrical housing 110, the second electrode 1111 is disposed on the end wall of the closed end 111 in a protruding manner, the second electrode 1111 is electrically connected with the positive electrode lead 131 through the cylindrical housing 110 and the adapter 153, and the second electrode 1111 is the positive electrode of the lithium ion battery 100 provided in this embodiment.
In addition, a limiting protrusion 1133 is convexly and circumferentially arranged on the inner wall of the open end 113, the limiting protrusion 1133 is located between the control board 150 and the battery cell 130 in the axial direction of the cylindrical casing 110, and the limiting protrusion 1133 plays a role in limiting the battery cell 130, so as to separate the end wall of the battery cell 130 from the control board 150.
In this embodiment, one side of the limiting protrusion 1133 is connected to the roller groove 1131, and one side of the limiting protrusion away from the roller groove 1131 is in contact with the end wall of the battery cell 130, so that the battery cell 130 is limited, and the battery cell 130 is prevented from impacting the control board 150.
It is understood that, compared to the first embodiment, in this embodiment, the first electrode 151 is a negative electrode boss, the second electrode 1111 is a positive electrode cap, the negative electrode boss is protruded on the side of the control plate 150 away from the battery cell 130, and the positive electrode cap is protruded on the end wall of the closed end 111.
In summary, according to the lithium ion battery 100 provided by the present invention, the roller groove 1131 is disposed at the open end 113 of the cylindrical casing 110, the control board 150 is embedded in the roller groove 1131 to realize the sealing of the cylindrical casing 110, and the control board 150 and the closed end 111 of the cylindrical casing 110 are respectively used as two electrodes of the lithium ion battery 100, compared with the assembly method of separately welding the positive cover plate and the negative cover plate on the market, the operation is more convenient, the assembly efficiency is higher, and the labor cost and the time cost are saved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A lithium ion battery is characterized by comprising a cylindrical shell, an electric core and a control panel, wherein the electric core is contained in the cylindrical shell, the cylindrical shell is respectively provided with a closed end and an open end, a roller groove is annularly formed in the inner side wall of the open end, the control panel is embedded into the roller groove, a first electrode is arranged on the control panel, and the first electrode is electrically connected with one of the anode and the cathode of the electric core.
2. The lithium ion battery of claim 1, wherein the control board is further provided with an adapter, the adapter and the first electrode are insulated from each other, the remaining one of the positive electrode and the negative electrode of the battery cell is electrically connected to the adapter, and the adapter is embedded in the roller groove and electrically connected to the cylindrical shell.
3. The lithium ion battery of claim 2, wherein a second electrode is convexly disposed on the end wall of the closed end, and the second electrode is electrically connected to the adaptor through the cylindrical housing.
4. The lithium ion battery of claim 2, wherein one end of the battery cell close to the control board is respectively provided with a positive electrode guide pin and a negative electrode guide pin in a protruding manner, one of the positive electrode guide pin and the negative electrode guide pin is electrically connected with the first electrode, and the remaining one of the positive electrode guide pin and the negative electrode guide pin is electrically connected with the switching part.
5. The lithium ion battery of claim 1, wherein a limiting protrusion is further disposed on the inner wall of the open end in an annular direction, one side of the limiting protrusion is connected to a groove wall of the roller groove on a side close to the battery cell, and one side of the limiting protrusion away from the roller groove is in contact with an end wall of the battery cell.
6. The lithium ion battery of claim 1, wherein an end wall of an open end is engaged with a side wall of the roller groove away from the battery cell, and the end wall of the open end is attached to a side of the control board away from the battery cell.
7. The lithium ion battery of claim 1, wherein the first electrode is protruded from a side of the control board away from the battery cell, and the first electrode protrudes from the cylindrical shell through the open end.
8. The lithium ion battery of claim 1, wherein the cylindrical housing and the battery cell are both cylindrical, the control board is circular, and the cylindrical housing is coaxial with the battery cell and the control board.
9. The lithium ion battery of claim 1, wherein the control board is further provided with a pressure relief hole.
10. The lithium ion battery of claim 1, wherein the control board is further provided with an LED light outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122590592.5U CN216054850U (en) | 2021-10-26 | 2021-10-26 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122590592.5U CN216054850U (en) | 2021-10-26 | 2021-10-26 | Lithium ion battery |
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| CN216054850U true CN216054850U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122590592.5U Active CN216054850U (en) | 2021-10-26 | 2021-10-26 | Lithium ion battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051361A1 (en) * | 2022-09-07 | 2024-03-14 | 深圳爱能仕新能源有限公司 | Lithium battery |
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2021
- 2021-10-26 CN CN202122590592.5U patent/CN216054850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051361A1 (en) * | 2022-09-07 | 2024-03-14 | 深圳爱能仕新能源有限公司 | Lithium battery |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230620 Address after: Building B401, Building 7, Phase 2, Dongjiu Innovation Technology Park, No. 73 Xiali South Road, Xialilang Community, Nanwan Street, Longgang District, Shenzhen City, Guangdong Province, 518100 Patentee after: Shenzhen Ainengshi New Energy Co.,Ltd. Address before: 518000 1904, block a, shenfang building, No. 2001, Huaqiang North Road, Huahang community, Huaqiang North Street, Futian District, Shenzhen, Guangdong Province Patentee before: Ineos Technology (Shenzhen) Co.,Ltd. |
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| TR01 | Transfer of patent right |