CN210628355U - Battery cover plate and battery module - Google Patents
Battery cover plate and battery module Download PDFInfo
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- CN210628355U CN210628355U CN201921805827.4U CN201921805827U CN210628355U CN 210628355 U CN210628355 U CN 210628355U CN 201921805827 U CN201921805827 U CN 201921805827U CN 210628355 U CN210628355 U CN 210628355U
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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 provides a battery cover plate and a battery module, wherein the battery cover plate comprises a cover plate body, a plurality of bus bars, a plurality of negative plates and a plurality of positive plates; the cover plate body is used for assembling a plurality of battery cores and a plurality of bus plates, the plurality of bus plates are used for converging the positive electrodes and the negative electrodes of the battery cores, a plurality of negative electrode plates are arranged on the cover plate body and are close to one side of the battery cores, the negative electrode plates are in contact with the negative electrodes of the battery cores and are connected with the bus plates which are located on one side of the cover plate body and close to one side of the battery cores, the plurality of positive electrode plates are arranged on one side of the cover plate body, one ends of the positive electrode plates are in contact with the positive electrodes of the battery cores, the other ends of the positive electrode plates are connected with the bus plates which are located on one side of the cover plate body and far away from the battery cores, welding of the positive electrodes.
Description
Technical Field
The utility model relates to a new forms of energy technical field particularly, relates to a battery apron and battery module.
Background
At present, the welding process of the battery module generally comprises welding the positive electrode and the negative electrode on two sides, namely welding one side where the positive electrodes of a plurality of battery cells in the battery module are located, then overturning the whole battery module, and welding one side where the negative electrodes of the plurality of battery cells in the battery module are located. And battery module's weight is very big, no matter is the manual work to carry out battery module's upset operation, still carries out battery module's upset operation all comparatively difficult through automatic form, and welding efficiency is very low.
In view of this, how to improve the welding efficiency of the battery module is a problem that needs to be solved at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a battery apron and battery module.
In a first aspect, an embodiment of the present invention provides a battery cover plate, which includes a cover plate body, a plurality of bus bars, a plurality of negative plates, and a plurality of positive plates;
the cover plate body is used for assembling a plurality of battery cores and a plurality of bus plates, the plurality of bus plates are used for converging the positive and negative outputs of the battery cores, the plurality of negative pole pieces are arranged on one side, close to the battery cores, of the cover plate body, the negative pole pieces are in contact with the negative poles of the battery cores and are connected with the bus plates, close to one side of the battery cores, of the cover plate body, the plurality of positive pole pieces are arranged on one side, far away from the battery cores, of the cover plate body, one ends of the positive pole pieces are in contact with the positive poles of the battery cores, and the other ends of the positive pole pieces are connected with the bus plates, far away from one side of the battery cores.
In an optional embodiment, the plurality of bus plates include a plurality of positive bus plates, the positive bus plates are arranged on the cover plate body at intervals on the side where the positive plates are located, and the positive bus plates are used for merging positive output of the plurality of battery cells.
In an optional embodiment, the plurality of bus plates further include a plurality of negative bus plates, the plurality of negative bus plates are arranged on one side of the cover plate body where the negative pole pieces are located at intervals, and the negative bus plates are used for merging negative output of the plurality of battery cells.
In an alternative embodiment, the plurality of bus plates further includes bus bars for connecting adjacent positive and negative bus plates.
In an optional embodiment, the plurality of bus plates further include a total positive output plate disposed on one side of the plurality of positive bus plates, the total positive output plate is connected to the plurality of positive plates located on the total positive output plate, and the total positive output plate is not connected to an adjacent negative bus plate.
In an optional embodiment, the plurality of bus plates further include a total negative output plate disposed on a side of the plurality of negative bus plates away from the total positive output plate, the total negative output plate is connected to the plurality of negative plates located on the total negative output plate, and the total negative output plate is not connected to an adjacent positive bus plate.
In an optional embodiment, the cover plate body includes a through hole, one side of the negative plate is connected to the cover plate body along an edge of the through hole, and the other side of the negative plate is in contact with the negative electrode of the battery cell.
In an optional embodiment, the cover plate body further includes a negative pressing sheet, the negative pressing sheet is disposed on a side of the negative sheet close to the battery core, and the negative pressing sheet is used for correcting a position of the negative sheet.
In an alternative embodiment, the cover plate body includes an insulating barrier disposed between the plurality of bus plates for preventing a short circuit between the plurality of bus plates.
In a second aspect, an embodiment of the present invention provides a battery module, including a bottom plate and the battery cover plate of any one of the foregoing embodiments; the bottom plate and the battery cover plate are used for fixing the plurality of battery cells between the bottom plate and the battery cover plate.
The utility model provides a beneficial effect of battery apron and battery module is:
adopt the utility model provides a battery cover plate and battery module through setting up positive plate and negative pole piece in the both sides of battery cover plate ingeniously, can accomplish the welding to the anodal and negative pole of battery module under the condition of the battery module of not overturning, has improved the welding efficiency of battery module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a battery cover plate according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery cover plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a battery cover plate according to another view angle provided by the embodiment of the present invention;
fig. 4 is a schematic partial structural view of a battery cover plate according to an embodiment of the present invention;
fig. 5 is another schematic partial structure diagram provided in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a battery module according to the present invention.
Icon: 1-a battery cover plate; 10-a cover plate body; 101-a through hole; 102-negative pole pressing piece; 20-a bus bar; 201-positive pole bus bar; 202-negative pole bus board; 203-bus bar; 204-total positive output plate; 205 — total negative output plate; 30-positive plate; 40-negative plate; 2-electric core; and 3, a bottom plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the equipment or components that are referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a battery cover plate 1 according to an embodiment of the present invention, where the battery cover plate 1 includes a cover plate body 10, a plurality of bus plates 20, a plurality of negative plates, and a plurality of positive plates 30;
the cover plate body 10 is used for assembling a plurality of battery cells 2 and a plurality of bus plates 20, the plurality of bus plates 20 are used for converging positive and negative outputs of the plurality of battery cells 2, the plurality of negative pole pieces are arranged on one side of the cover plate body 10 close to the battery cells 2, the negative pole pieces are in contact with the negative poles of the battery cells 2 and are connected with the bus plates 20 located on one side of the cover plate body 10 close to the battery cells 2, the plurality of positive pole pieces 30 are arranged on one side of the cover plate body 10 far away from the battery cells 2, one end of each positive pole piece 30 is in contact with the positive pole of the battery cell 2, and the other end of each positive pole piece 30 is connected with the bus plate 20 located on one side of the cover plate body 10 far away from the.
In this embodiment, the negative pole piece can be prewelded, and the negative pole piece can set up in the one side that apron body 10 is close to electric core 2, and electric core 2 according to current power battery module can adopt cylinder electric core 2, and its anodal and negative pole can be located same end, and the one end of keeping away from anodal also can regard as the negative pole, and wherein anodal can be located central point, and the edge of the one end at the lateral wall of electric core 2 and anodal place can all regard as the negative pole. When the negative plate is arranged on one side of the cover plate body 10 close to the battery cell 2 and the cover plate is placed on the battery cell 2, the negative plate can be aligned with the negative electrode of the battery cell 2 to be contacted, and further modulation is not needed. Positive plate 30 can be kept away from at apron body 10 through the welding setting one side of electric core 2 sets up positive plate 30 in the one side relative with the negative pole piece, can enough guarantee can not direct contact take place the short circuit between positive plate 30 and the negative pole piece, can set up positive plate 30 and negative pole piece on same apron body 10 again, has realized need not to overturn whole battery module and can accomplish the positive and negative welded operation to battery module when carrying out the anodal of battery module and negative pole and weld.
Referring to fig. 2 and fig. 2 are schematic structural diagrams of the battery cover plate 1 according to an embodiment of the present invention, the multiple bus plates 20 include multiple positive bus plates 201, the multiple positive bus plates 201 are disposed on the cover plate body 10 at intervals, where the positive plates 30 are located, and the positive bus plates 201 are used for converging positive outputs of the multiple battery cells 2.
In this embodiment, the positive electrode bus bar 201 for converging the positive electrodes of the plurality of battery cells 2 may be disposed on the same side of the cover plate body 10 as the positive electrode sheet 30, so as to facilitate the connection between the positive electrode sheet 30 and the positive electrode bus bar 201. Electric core 2 generally arranges for the rule in battery module, can set up a plurality of positive pole cylinder manifold 201 intervals on apron body 10 to the arrangement of cooperation electric core 2. The positive electrode tab 30 may be a metal sheet having a circular end to ensure contact with the positive electrode of the electric core 2, and the connecting portion at the middle of the positive electrode tab 30 may be formed in a thin rod shape in consideration of cost.
Referring to fig. 3 and fig. 3 are schematic structural diagrams of another view angle of the battery cover plate 1 according to an embodiment of the present invention, the bus plates 20 further include a plurality of negative bus plates 202, the negative bus plates 202 are disposed on the cover plate body 10 at intervals, where the negative plates 40 are located, and the negative bus plates 202 are used for collecting negative outputs of the battery cells 2.
In this embodiment, the negative electrode bus bar 202 may be disposed on the cover plate body 10 at the side where the negative electrode sheet 40 is located, and the plurality of battery cells 2 are generally regularly disposed in the battery module, so that the negative electrode bus bar 202 may be disposed at uniform intervals, so as to be conveniently matched with the battery cells 2. The negative bus bar 202 is flush with the side of the cap plate body 10 where it is located, so as to facilitate the installation of the battery cap plate 1.
Referring to fig. 4 and fig. 4 are schematic partial structural views of the battery cover plate 1 according to an embodiment of the present invention, the bus plates 20 further include bus bars 203, and the bus bars 203 are used for connecting adjacent positive bus plates 201 and negative bus plates 202.
In the present embodiment, two adjacent positive electrode bus plates 201 and two adjacent negative electrode bus plates 202 may be connected by a bus bar 203, so that the entire battery module can be normally used. For example, for a certain row of cells 2, the positive electrode and the negative electrode of the cell 2 respectively converge on the positive bus bar 201 and the negative bus bar 202 of the cell 2 through the positive plate 30 and the negative plate 40 of the cell 2, and the positive bus bar 201 of the cell 2 can be connected with the negative bus bar 202 of the previous cell 2 through the bus bar 203, and the negative bus bar 202 of the cell 2 can be connected with the positive bus bar 201 of the next cell 2 through another bus bar 203, so as to connect a plurality of cells 2 end to end through the positive bus bar 201, the negative bus bar 202 and the bus bar 203, so that the whole battery module can be normally used. In the present embodiment, a busbar (busbar) may be employed as the bus bar 203.
Referring back to fig. 2, the plurality of bus plates 20 further include a total positive output plate 204, the total positive output plate 204 is disposed on one side of the plurality of positive bus plates 201, the total positive output plate 204 is connected to the plurality of positive plates 30 located on the total positive output plate 204, and the total positive output plate 204 is not connected to the adjacent negative bus plate 202.
In this embodiment, one of the positive bus bars 201 near the edge of the cap plate body 10 may be used as the total positive output plate 204, and in the battery module, the total positive output plate 204 is used as the positive electrode of the entire battery module, so that it is not connected to the other negative bus bars 202.
Referring back to fig. 3, the bus plates 20 further include a total negative output plate 205, the total negative output plate 205 is disposed on a side of the negative bus plates 202 away from the total positive output plate 204, the total negative output plate 205 is connected to the negative tabs 40 of the total negative output plate 205, and the total negative output plate 205 is not connected to the adjacent positive bus plate 201.
On the basis of the foregoing, one of the plurality of negative bus plates 202, which is far from the total positive output plate 204, may be used as the total negative output plate 205, and in the battery module, the total negative output plate 205 is used as the negative electrode of the entire battery module, and therefore, is not connected to the other positive bus plates 201.
Referring to fig. 5 and fig. 5 are another schematic partial structure diagram according to an embodiment of the present invention, the cover plate body 10 includes a through hole 101, one side of the negative plate 40 is connected to the cover plate body 10 along an edge of the through hole 101, and the other side of the negative plate 40 is in contact with the negative electrode of the battery cell 2.
In this embodiment, the negative electrode sheet 40 may be annular, and may be disposed along the edge of the through hole 101 for accommodating the battery cell 2, and through such a configuration, it is not necessary to occupy an extra space for accommodating the negative electrode sheet 40, and the negative electrode sheet 40 and the negative electrode of the battery cell 2 can be also matched (the through hole 101 for accommodating the battery cell 2 and the position of the battery cell 2 are originally set for correspondence).
Further, the cover plate body 10 further includes a negative pressing piece 102, the negative pressing piece 102 is disposed on one side of the negative piece 40 close to the electric core 2, and the negative pressing piece 102 is used for correcting the position of the negative piece 40.
In this embodiment, a negative pressing piece 102 may also be provided, the position of the negative pressing piece 102 may be set between the battery cell 2 and the negative plate 40, the negative plate 40 is also welded at the edge of the through hole 101 of the cover plate body 10, therefore, in the installation process, the battery cell 2 may affect the position of the negative plate 40, by setting the negative pressing piece 102, the battery cell 2 is limited to a certain extent, and the position of the negative plate 40 is not excessively affected, and meanwhile, the negative pressing piece 102 also can play a role in correction in the welding process of the negative plate 40, that is, during welding, the negative pressing piece 102 may be utilized to fix the negative plate 40 at a preset position and then be welded, so as to ensure the accuracy of the welding position of the negative plate 40. The negative electrode pressing piece 102 itself is thin and does not affect the installation of the battery module.
Further, the cover plate body 10 includes an insulating barrier disposed between the plurality of bus plates 20 for preventing a short circuit from occurring between the plurality of bus plates 20.
In order to avoid short circuit between adjacent bus plates 20 by accident, an insulating barrier may be provided between the plurality of bus plates 20.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a battery module according to the present invention, the battery module includes a bottom plate 3 and the battery cover plate 1; the base plate 3 and the battery cover plate 1 are used for fixing a plurality of battery cells 2 between the base plate 3 and the battery cover plate 1.
In this embodiment, the battery cover plate 1 may be a cover plate on a side where the positive electrode of the battery cell 2 is located, and the bottom plate 3 may be a cover plate on a side of the battery cell 2 away from the positive electrode of the battery cell 2.
To sum up, adopt the embodiment of the utility model provides a welding to the anodal of battery module and negative pole can be accomplished in one side of battery module to battery cover plate and battery module to need not overturn battery module, improved welded efficiency.
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 battery cover plate is characterized by comprising a cover plate body, a plurality of bus plates, a plurality of negative plates and a plurality of positive plates;
the cover plate body is used for assembling a plurality of battery cores and a plurality of bus plates, the plurality of bus plates are used for converging the positive and negative outputs of the battery cores, the plurality of negative pole pieces are arranged on one side, close to the battery cores, of the cover plate body, the negative pole pieces are in contact with the negative poles of the battery cores and are connected with the bus plates, close to one side of the battery cores, of the cover plate body, the plurality of positive pole pieces are arranged on one side, far away from the battery cores, of the cover plate body, one ends of the positive pole pieces are in contact with the positive poles of the battery cores, and the other ends of the positive pole pieces are connected with the bus plates, far away from one side of the battery cores.
2. The battery cover plate of claim 1, wherein the plurality of bus plates comprises a plurality of positive bus plates, the plurality of positive bus plates are arranged on the cover plate body at intervals on the side where the positive plates are located, and the positive bus plates are used for merging the positive outputs of the plurality of battery cells.
3. The battery cover plate of claim 2, wherein the plurality of bus plates further comprises a plurality of negative bus plates, the plurality of negative bus plates are arranged on the cover plate body at intervals on the side where the negative pole pieces are located, and the negative bus plates are used for merging negative outputs of the plurality of battery cells.
4. The battery cover plate of claim 3, wherein the plurality of bus plates further comprises bus bars for connecting adjacent positive and negative bus plates.
5. The battery cover plate of claim 3, wherein the plurality of bus plates further comprises a total positive output plate disposed on one side of the plurality of positive bus plates, the total positive output plate being connected to the plurality of positive tabs located on the total positive output plate, the total positive output plate not being connected to an adjacent negative bus plate.
6. The battery cover plate of claim 5, wherein the plurality of bus plates further comprises a total negative output plate disposed on a side of the plurality of negative bus plates remote from the total positive output plate, the total negative output plate connected to the plurality of negative tabs on the total negative output plate, the total negative output plate not connected to an adjacent positive bus plate.
7. The battery cover plate of claim 3, wherein the cover plate body comprises a through hole, one side of the negative pole piece is connected with the cover plate body along the edge of the through hole, and the other side of the negative pole piece is in contact with the negative pole of the battery cell.
8. The battery cover plate of claim 7, wherein the cover plate body further comprises a negative pressing sheet, the negative pressing sheet is disposed on a side of the negative plate close to the battery core, and the negative pressing sheet is used for correcting the position of the negative plate.
9. The battery cover plate according to claim 1, wherein the cover plate body comprises an insulating barrier disposed between the plurality of bus plates for preventing a short circuit between the plurality of bus plates.
10. A battery module comprising a base plate and the battery cover plate according to any one of claims 1 to 9; the bottom plate and the battery cover plate are used for fixing the plurality of battery cells between the bottom plate and the battery cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805827.4U CN210628355U (en) | 2019-10-24 | 2019-10-24 | Battery cover plate and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805827.4U CN210628355U (en) | 2019-10-24 | 2019-10-24 | Battery cover plate and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210628355U true CN210628355U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921805827.4U Active CN210628355U (en) | 2019-10-24 | 2019-10-24 | Battery cover plate and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210628355U (en) |
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2019
- 2019-10-24 CN CN201921805827.4U patent/CN210628355U/en active Active
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