CN218548726U - Battery module output electrode bus bar, battery module and battery pack - Google Patents
Battery module output electrode bus bar, battery module and battery pack Download PDFInfo
- Publication number
- CN218548726U CN218548726U CN202222858708.3U CN202222858708U CN218548726U CN 218548726 U CN218548726 U CN 218548726U CN 202222858708 U CN202222858708 U CN 202222858708U CN 218548726 U CN218548726 U CN 218548726U
- Authority
- CN
- China
- Prior art keywords
- pole
- battery module
- busbar
- output
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery module output electrode busbar, a battery module and a battery pack, wherein the positive and negative output electrode busbars are symmetrical about a central axis A-B, so that the battery module can use the same positive and negative output busbars, thereby reducing the material variety of output aluminum bars, reducing the manufacturing cost and the manufacturing period of a mold, and reducing the transportation, storage and production costs; on the other hand, because positive and negative output busbars are the same in shape and structure, in the process of assembling the battery module, the assembly device is beneficial to improving the production efficiency and reducing the assembly reject ratio.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a battery module output pole busbar, battery module and battery package.
Background
The positive output aluminum bar and the negative output aluminum bar of the existing battery module can not be interchanged during use due to different structures. In order to develop the two battery module output pole aluminum bars, two sets of stamping dies need to be developed, for the current stamping production process for producing the output pole aluminum bars by using the progressive die, the development cost of the dies is very high, and the development cost of the battery module project is undoubtedly increased by the development of the two sets of dies.
Therefore, a new technical solution is needed.
Disclosure of Invention
In view of the above problem, the utility model provides a battery module output pole busbar, battery module and battery package to overcome above-mentioned problem or solve above-mentioned problem at least partially, specifically be:
according to an aspect of the present invention, an object of the present invention is to provide a battery module output electrode busbar, including a busbar main body portion, a switching portion and a connecting portion, wherein the busbar main body portion, the connecting portion and the switching portion are sequentially connected, the busbar main body portion is used for being electrically connected with an electrical core pole, and an electrical component mounting portion is disposed at a tip of the switching portion; the busbar main body part is provided with two pole detection holes and two positioning holes, the pole detection holes can be used for detecting the central alignment degree of an output pole busbar and the poles of the battery cell at the end part of the battery module, the positioning holes are used for positioning the output pole busbar, the pole detection holes comprise a first pole detection hole and a second pole detection hole, and the positioning holes comprise a first positioning hole and a second positioning hole; along busbar main part to switching portion direction, output utmost point busbar is symmetrical structure, and first utmost point post inspection hole and second utmost point post inspection hole are for the central axis symmetry setting of output utmost point busbar, and first locating hole and second locating hole are for the central axis symmetry setting of output utmost point busbar.
Furthermore, the first pole column detection hole and the second pole column detection hole are both in the shape of circular holes with the same radius R, and the center distance D between the first pole column detection hole and the second pole column detection hole is larger than or equal to the radius R of the half-valence pole column + pole column detection hole of the battery core pole column.
Further, the electrical installation part is provided with a lock bolt hole.
Further, the lock bolt hole is an elliptical hole.
Furthermore, the radius R of the pole detection hole is 3.1 +/-0.1 mm, the center distance D of the second pole detection hole is 12 +/-0.2 mm, and the radius of the battery cell pole is 9.1 +/-0.1 mm.
According to another aspect of the present invention, the present invention further provides a battery module, which comprises a battery cell assembly and a bus bar assembly, wherein an electrode of the battery cell assembly is electrically connected to the bus bar assembly, the battery cell assembly comprises more than two battery cells stacked along the length direction of the module, and the battery cell assembly comprises battery cells located at the end portions of the two sides of the module; the bus bar assembly comprises two output electrode bus bars, and the main body parts of the output electrode bus bars are electrically connected with the poles of the battery cells at the end parts of the battery modules; the first output electrode bus bar is a total positive output electrode of the battery module, and the second output electrode is a total negative output electrode of the battery module; the first output pole busbar and the second output pole busbar are identical in structure and shape.
Furthermore, the battery module further comprises a module end plate, and the switching parts of the first output electrode bus bar and the second output electrode bus bar are fixedly arranged on the module end plate respectively.
According to another aspect of the present invention, the present invention further provides a battery pack, each of the battery modules is the battery module as described above, and the electrical connecting bar is used for electrically connecting each of the battery modules; the electric connecting bar is electrically connected with the switching part of the bus bar.
Furthermore, the electric connecting row is provided with a lock bolt hole, and a fastening bolt respectively passes through the lock bolt hole on the electric connecting row and the lock bolt hole of the electric part installation part to be fastened and connected.
Further, the electric connecting row is a connecting copper row.
The utility model provides a battery module's beneficial effect is:
the utility model provides a positive negative output pole busbar is provided with two utmost point post inspection holes and two locating holes, utmost point post inspection hole can be used to detect the central alignment degree of the utmost point post of the electric core of output pole busbar and battery module tip, the locating hole is used for right the output pole busbar is fixed a position, and positive negative output pole busbar is symmetrical about center pin A-B, makes the battery module can use the same positive negative pole output busbar, has reduced the material variety of output aluminium row, has reduced mould manufacturing cost and manufacturing cycle, has reduced transportation, storage, manufacturing cost. On the other hand, because positive and negative output busbars are the same in shape structure, in the battery module assembly process, the material variety has been reduced, is favorable to improving production efficiency and reducing the assembly defective rate.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a battery module;
fig. 2 is an enlarged view of an output electrode bus bar of the battery module;
FIG. 3 is a top and side view of an output pole buss;
fig. 4 is a schematic diagram of a structure of a cell in the cell assembly;
fig. 5 is a schematic structural view illustrating connection of two battery modules in a battery pack.
Detailed Description
Reference now will be made in detail to embodiments of the present application, one or more examples of which are illustrated in the drawings. Each example is provided by way of explanation of the application, not limitation of the application. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope or spirit of the application. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. Thus, it is intended that the present application cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. As used in this specification, the terms "first," "second," and the like may be used interchangeably to distinguish one element from another and are not intended to indicate the position or importance of each element. As used in the specification, the terms "a," "an," "the," and "said" are intended to mean that there are one or more of the elements, unless the context clearly indicates otherwise. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements other than the listed elements. Wherein like numerals indicate like elements throughout, the invention is further explained below in conjunction with specific embodiments.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a battery module; fig. 2 is an enlarged view illustrating a structure of an output electrode bus bar of the battery module; FIG. 3 is a top and side view of an output pole buss; fig. 4 is a schematic diagram of a structure of a cell in the cell assembly; fig. 5 is a schematic structural view illustrating connection of two battery modules in a battery pack.
As shown in fig. 1-4, according to an aspect of the present invention, the present invention provides a battery module output electrode busbar 1, including a busbar main body portion 11, an adapter portion 13 and a connecting portion 12, wherein the busbar main body portion 11, the connecting portion 12 and the adapter portion 13 are connected in sequence, the busbar main body portion 11 is used for electrically connecting with a pole 311 of an electric core 31, and an end portion of the adapter portion 13 is provided with an electrical component mounting portion 14; the busbar body 11 is provided with a pole detection hole 16 and a positioning hole 15, the pole detection hole 16 can be used for detecting the central alignment degree of an output pole busbar 1 and a pole 311 of a battery cell 31 at the end of a battery module, the positioning hole 15 is used for positioning the output pole busbar 1, the pole detection hole 16 comprises a first pole detection hole 161 and a second pole detection hole 162, and the positioning hole 15 comprises a first positioning hole 151 and a second positioning hole 152; along the direction from the bus bar main body 11 to the adapting part 13, the output pole bus bar 1 is of a symmetrical structure, the first pole column detection hole 161 and the second pole column detection hole 162 are symmetrically arranged relative to the central axis of the output pole bus bar 1, and the first positioning hole 151 and the second positioning hole 152 are symmetrically arranged relative to the central axis of the output pole bus bar 1.
In detail, the first pole detection hole 151 and the second pole detection hole 152 are both circular holes with the same radius R, and the center distance D between the first pole detection hole 151 and the second pole detection hole 152 is greater than or equal to the radius R of the half-valence + pole detection hole of the cell pole. The utility model adopts the structural proposal of the bus bar positive and negative output poles, and the positive and negative output poles are symmetrical about a central axis A-B; the centre-to-centre spacing D of first utmost point post inspection hole 161 and second utmost point post inspection hole 162 is more than or equal to electric core utmost point post radius + utmost point post inspection hole radius (promptly centre-to-centre spacing D is greater than or equal to electric core utmost point post radius + utmost point post inspection hole radius), when guaranteeing that the girth weld between the electric core utmost point post of output electrode busbar and tip is around the welding of one of them utmost point post inspection hole, another utmost point post inspection hole can not met to the welding seam orbit, and produces welding defect, guarantees the welding quality between output electrode busbar and electric core utmost point post.
In detail, the electrical component mounting part 14 is provided with a bolt hole.
In detail, the lock bolt hole is an elliptical hole. The output pole busbar lock bolt hole can be designed by an elliptical hole to adapt to the dimensional tolerance during the assembly of the battery core, and the tolerance precision of the positive and negative output busbars is reduced, so that the manufacturing cost of the stamping die for the positive and negative output busbars is reduced. In one embodiment, the output pole bus bar is an aluminum bar.
In detail, the radius R of the pole detection hole is 3.1 +/-0.1 mm, the center distance D of the second pole detection hole is 12 +/-0.2 mm, and the radius of the battery cell pole is 9.1 +/-0.1 mm.
According to another aspect of the present invention, the present invention further provides a battery module, which comprises an electric core assembly 3 and a bus bar assembly, wherein an electrode of the electric core assembly is electrically connected to the bus bar assembly, the electric core assembly comprises more than two electric cores stacked along the length direction of the module, and the electric core assembly comprises electric cores 31 located at the two side ends of the module; the busbar assembly 1 comprises the output electrode busbar 1 as described above, and the output electrode busbar main body part 11 is electrically connected with the pole 311 of the battery cell 31 at the end part of the battery module; the first output electrode bus bar 1a is a total positive output electrode of the battery module, and the second output electrode bus bar 1b is a total negative output electrode of the battery module; the first output pole bus bar 1a and the second output pole bus bar 1b are identical in structure and shape. The battery module can use the same positive and negative electrode output bus bars, so that the material variety of the output aluminum bar is reduced, the manufacturing cost and the manufacturing period of the die are reduced, and the transportation, storage and production cost is reduced. On the other hand, because positive and negative output busbars have the same shape and structure, in the process of assembling the battery module, the material variety is reduced, and the improvement of production efficiency and the reduction of assembly reject ratio are facilitated.
In detail, the battery module further includes a module end plate, and the adapter portions of the first output electrode bus bar 1a and the second output electrode bus bar 1b are respectively and fixedly mounted on the module end plate 4. The first output electrode bus bar 1a and the second output electrode bus bar 1b are stably supported through the module end plate 4, and connection failure caused by vibration and collision in the use process of the battery module is avoided.
As shown in fig. 5, according to another aspect of the present invention, the present invention further provides a battery pack, wherein the battery pack includes two or more battery modules as described above, and the electrical connection row 5 is used for electrically connecting each battery module; the electrical connection bar 5 is electrically connected to the adapter 13 of the busbar.
In detail, the electric connecting row is provided with a lock bolt hole, and a fastening bolt passes through the lock bolt hole on the electric connecting row and the lock bolt hole of the electric part installation part to be fastened and connected respectively. The fastening bolt can be used for locking and connecting the electric connecting bar with the output electrode bus bar, so that the locking and electric connection effects are ensured.
In detail, the electrical connection bar 5 is a connection copper bar.
The utility model provides a battery module's beneficial effect is: the utility model provides a positive negative output pole busbar is provided with two utmost point post inspection holes and two locating holes, utmost point post inspection hole can be used to detect the central alignment degree of utmost point post 311 of the electric core of output pole busbar and battery module tip, the locating hole is used for right the output pole busbar is fixed a position, and positive negative output pole busbar is about center pin A-B symmetry, makes the battery module can use the same positive negative pole output busbar, has reduced the material variety of output aluminium row, has reduced mould manufacturing cost and manufacturing cycle, has reduced transportation, storage, manufacturing cost. On the other hand, because positive and negative output busbars are the same in shape structure, in the battery module assembly process, the material variety has been reduced, is favorable to improving production efficiency and reducing the assembly defective rate.
The above is the preferred embodiment of the present invention, and to the technical personnel in the field, based on the technical scheme and the utility model essence disclosed in the present invention, can also make other deformation and improvement, but these are based on the deformation and improvement of the present invention, all should be covered in the protection scope of the present invention. This written description uses examples to disclose the application, including the best mode, and also to enable any person skilled in the art to practice the application, including making and using any devices or systems and performing any incorporated methods. The patentable scope of the application is defined by the claims, and may include other embodiments that occur to those skilled in the art. Such other embodiments are intended to be within the scope of the claims if they include structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal languages of the claims.
Claims (10)
1. The utility model provides a battery module output pole busbar, includes busbar main part, switching portion and connecting portion, the busbar main part connecting portion with switching portion connects gradually, its characterized in that:
the busbar main body part is used for being electrically connected with the battery cell pole, and the end part of the switching part is provided with an electric part mounting part;
the busbar main body part is provided with a pole detection hole and a positioning hole, the pole detection hole can be used for detecting the central alignment degree of an output pole busbar and a pole of an electric core at the end part of a battery module, the positioning hole is used for positioning the output pole busbar, the pole detection hole comprises a first pole detection hole and a second pole detection hole, and the positioning hole comprises a first positioning hole and a second positioning hole;
along busbar main part to switching portion direction, output utmost point busbar is symmetrical structure, and first utmost point post inspection hole and second utmost point post inspection hole are for the central axis symmetry setting of output utmost point busbar, and first locating hole and second locating hole are for the central axis symmetry setting of output utmost point busbar.
2. The battery module output pole bus bar of claim 1, wherein: the first pole column detection hole and the second pole column detection hole are both in the shape of circular holes with the same radius R, and the center distance D between the first pole column detection hole and the second pole column detection hole is larger than or equal to the radius R of the half-valence pole column + pole column detection hole of the battery cell.
3. The battery module output pole bus bar of claim 1, wherein: the electric installation part is provided with a lock bolt hole.
4. The battery module output electrode bus bar according to claim 3, wherein: the bolt locking holes are elliptical holes.
5. The battery module output pole bus bar of claim 2, wherein: the radius R of the pole detection hole is 3.1 +/-0.1 mm, the center distance D of the second pole detection hole is 12 +/-0.2 mm, and the radius of the battery cell pole is 9.1 +/-0.1 mm.
6. The utility model provides a battery module, includes electric core subassembly and busbar subassembly, the electrode of electric core subassembly with the busbar subassembly electricity is connected, its characterized in that:
the battery core assembly comprises more than two battery cores which are stacked along the length direction of the module, and the battery core assembly comprises battery cores which are positioned at the end parts of the two sides of the module;
the busbar assembly comprises two output pole busbars according to any one of claims 1 to 5, wherein the output pole busbar main body part is electrically connected with the pole of the battery cell at the end part of the battery module;
the first output electrode bus bar is a total positive output electrode of the battery module, and the second output electrode is a total negative output electrode of the battery module;
the first output pole busbar and the second output pole busbar are identical in structure and shape.
7. The battery module according to claim 6, wherein:
the battery module further comprises a module end plate, and the first output electrode bus bar and the second output electrode bus bar are fixedly installed on the module end plate respectively through the switching portions.
8. The utility model provides a battery pack, includes battery module and the electric connection row more than two, its characterized in that: each of the battery modules is the battery module described in claim 6 or 7, and the electrical connection bar is used for electrically connecting each of the battery modules; the electric connecting bar is electrically connected with the switching part of the bus bar.
9. The battery pack according to claim 8, wherein: the electric connecting row is provided with a lock bolt hole, and a fastening bolt penetrates through the lock bolt hole in the electric connecting row and is fastened and connected with the lock bolt hole in the electric part mounting portion.
10. The battery pack according to claim 8, wherein: the electric connecting row is a connecting copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858708.3U CN218548726U (en) | 2022-10-28 | 2022-10-28 | Battery module output electrode bus bar, battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858708.3U CN218548726U (en) | 2022-10-28 | 2022-10-28 | Battery module output electrode bus bar, battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218548726U true CN218548726U (en) | 2023-02-28 |
Family
ID=85282762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222858708.3U Active CN218548726U (en) | 2022-10-28 | 2022-10-28 | Battery module output electrode bus bar, battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218548726U (en) |
-
2022
- 2022-10-28 CN CN202222858708.3U patent/CN218548726U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110571400A (en) | power battery module bus bar and welding method thereof | |
| CN107742692A (en) | A kind of power battery module and electric car | |
| CN212695263U (en) | Battery module structure | |
| CN218548726U (en) | Battery module output electrode bus bar, battery module and battery pack | |
| CN113555633A (en) | Cylindrical battery cell double-hole clamp and battery structure applying same | |
| EP4365921A1 (en) | Capacitor module and motor inverter | |
| CN214505729U (en) | Battery module, battery pack and vehicle | |
| CN214477544U (en) | Prevent plumbous carbon battery utmost point crowd structure and plumbous carbon battery structure of antipole | |
| CN202084668U (en) | High-capacity and high-power motive module and flexible connecting strip thereof | |
| CN211879486U (en) | Utmost point ear fixed knot of soft-packaged electrical core constructs | |
| CN211125802U (en) | Power battery module busbar | |
| CN210668518U (en) | Battery module and electric automobile | |
| CN210156494U (en) | Cylinder electricity core module forming device | |
| CN113793978A (en) | Assembly structure and method of large cylindrical battery cell | |
| CN219350571U (en) | Full welding-free battery pack based on 46 series large cylindrical battery | |
| CN207690904U (en) | A kind of improved soft package battery module | |
| CN221057615U (en) | Power battery module connection structure | |
| CN220042183U (en) | Local variable cross-section thickness connection piece and battery module | |
| CN220122015U (en) | Novel cylindrical battery module | |
| CN215896627U (en) | Big cylinder electricity core module | |
| CN220604905U (en) | Busbar, battery module and battery pack | |
| CN219226537U (en) | Bus bar | |
| CN216780715U (en) | Tool for batch welding of single batteries | |
| CN218677507U (en) | Battery cell fusing structure and battery module | |
| CN211045567U (en) | Binding module leading-out busbar mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |