CN210837911U - Bus bar output pole seat, battery module and battery pack - Google Patents
Bus bar output pole seat, battery module and battery pack Download PDFInfo
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- CN210837911U CN210837911U CN201922389311.2U CN201922389311U CN210837911U CN 210837911 U CN210837911 U CN 210837911U CN 201922389311 U CN201922389311 U CN 201922389311U CN 210837911 U CN210837911 U CN 210837911U
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- busbar
- bus bar
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- output pole
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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
Abstract
The utility model relates to a power battery wraps technical field, provides a busbar output polar seat, battery module and battery package. Busbar output utmost point seat include support, electrically conductive piece, elastic component and output utmost point busbar, output utmost point busbar detachably installs in the support, the elastic component sets up to provide the biasing force towards the output utmost point busbar to electrically conductive all the time, so that the external busbar that is located between output utmost point busbar and the electrically conductive piece can contact with output utmost point busbar and electrically conductive piece respectively, at least one in electrically conductive piece and the elastic component sets up to can operating in order to overcome the biasing force, so that external busbar can stretch into between output utmost point busbar and the electrically conductive piece. The utility model discloses a surface and output pole busbar and the inseparable laminating between the electrically conductive piece about the external busbar, and then realized electrically conductive connection, left out the setting of traditional bolt, improved assembly efficiency, practiced thrift the cost of labor.
Description
Technical Field
The utility model relates to a power battery wraps technical field, in particular to busbar output polar seat, battery module and battery package.
Background
Generally, a modular output pole assembly includes an output pole bus bar, which refers to the portion of the output pole bus bar that extends out of the bus bar above the module, and a holder for receiving the output pole bus bar. In the assembly process of the modules, the output electrode bus bars of the adjacent modules are connected through the external bus bar.
The existing output electrode bus bar and the external bus bar are usually fixed by bolts, and the bolts sequentially penetrate through the output electrode bus bar and the external bus bar to realize connection between the output electrode bus bar and the external bus bar, but the traditional bolt connection mode has the following problems:
1. adopt the bolt fastening, the bolt has moment attenuation risk for long-time use. In addition, when the bolt is tightened, the bus bar rotates along with the bolt to generate a reverse torque, so that the risk of torque attenuation and loosening of the bolt is increased;
2. the bolt is fixed by a special electric gun, the special electric gun is very high in price and needs to be charged for use, the torque needs to be rechecked by workers after the bolt is tightened, the assembly efficiency is low, and the labor cost is high;
3. the fastening bolt is used as a standard component, and personnel management and inventory are needed in the use process, so that additional management cost is generated.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a bus bar output electrode holder, a battery module and a battery pack, which can realize reliable conductive connection between an external bus bar and an output electrode bus bar.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a busbar output pole socket comprises a support, a conductive piece, an elastic piece and an output pole busbar, wherein the output pole busbar is detachably mounted on the support, the elastic piece is arranged to always provide a biasing force towards the output pole busbar for the conductive piece, so that an external busbar positioned between the output pole busbar and the conductive piece can be respectively contacted with the output pole busbar and the conductive piece, and at least one of the conductive piece and the elastic piece is arranged to be operable to overcome the biasing force, so that the external busbar can extend into the output pole busbar and between the conductive pieces.
Optionally, a cavity capable of accommodating the conductive piece is arranged in the support, the busbar output electrode holder comprises a guide post arranged in the cavity, and the conductive piece is slidably arranged on the guide post.
Optionally, a base integrally arranged with the support is arranged at the bottom of the cavity, the guide column is arranged on the base, and the elastic piece is sleeved on the guide column and located between the conductive piece and the base.
Optionally, the outer wall of the guide post is provided with an elastic protrusion, the conductive piece is of a hollow structure with an opening at the bottom and is sleeved on the guide post, the inner wall of the conductive piece is provided with a sliding groove for the elastic protrusion to slide, and stopping portions for limiting the elastic protrusion to separate from the sliding groove are arranged at two ends of the sliding groove.
Optionally, the support is provided with limiting members for limiting the positions of the output electrode busbars, the number of the limiting members is set to be at least two, the limiting members are arranged on the inner wall of the support and oppositely arranged, the limiting members are arranged to protrude inwards along the inner wall, each limiting member is provided with a guide surface arranged in an inclined manner and a stop surface arranged at the bottom of the guide surface, and the guide surface is arranged to guide the output electrode busbars to slide downwards so that the output electrode busbars are stopped at the bottom of the stop surface.
Optionally, the holder has a mounting surface for receiving the external bus bar, the conductive member has a connection surface capable of contacting the external bus bar, and the conductive member is provided with a pressing member for pressing the conductive member so that the connection surface can be lower than the mounting surface.
Optionally, a positioning element capable of penetrating through the external bus bar and the output electrode bus bar is arranged at the top of the conductive element.
Optionally, the busbar output pole socket comprises an upper cover detachably mounted to the support.
The utility model discloses the second aspect provides a battery module, including busbar, external busbar, two at least module units and above-mentioned arbitrary scheme busbar output polar seat, the busbar output polar seat reaches the quantity one-to-one of module unit, the busbar sets up the top of module unit, the output utmost point busbar is followed the busbar extends the setting, external busbar is connected in adjacent two the output utmost point busbar, the upper and lower two sides of external busbar respectively with the output utmost point busbar with electrically conductive piece contacts.
The utility model discloses the third aspect provides a battery package, including above-mentioned scheme battery module.
Compared with the prior art, busbar output polar seat have following advantage:
the utility model discloses a busbar output polar seat utilizes the biasing effect of elastic component to electrically conductive piece, has realized the inseparable laminating between external busbar lower surface and output pole busbar and the electrically conductive piece, and then has realized the reliable electrically conductive connection between external busbar and the output pole busbar, has left out the setting of traditional bolt, has avoided bolt moment decay and anti-pine problem, can realize the convenient connection between external busbar and the output pole busbar, has improved assembly efficiency, has practiced thrift the cost of labor.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a bus bar output electrode holder according to an embodiment of the present invention;
FIG. 2 is a front view of the busbar output pole mount of FIG. 1.
Description of reference numerals:
1-support, 2-electrically conductive piece, 3-elastic piece, 4-locating piece, 5-guide post, 6-base, 7-elastic bulge, 8-guide surface, 9-installation surface, 10-connection surface, 11-pressing piece, 12-locating piece.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
With reference to fig. 1 and 2, according to an aspect of the present invention, there is provided a busbar output electrode holder, including a support 1, a conductive member 2, an elastic member 3, and an output electrode busbar, wherein the output electrode busbar is detachably mounted to the support 1, the elastic member 3 is set to be always in opposition to the conductive member 2 to provide a biasing force toward the output electrode busbar, so that the output electrode busbar and an external busbar between the conductive members 2 can respectively contact with the output electrode busbar and the conductive members 2, the conductive members 2 and at least one of the elastic members 3 are set to be operable to overcome the biasing force, so that the external busbar can extend into the output electrode busbar and between the conductive members 2.
In the installation process, firstly, the output electrode bus bar is assembled on the support 1, at the moment, the conductive piece 2 can be abutted against the output electrode bus bar under the action of biasing force provided by the elastic piece 3, then, the conductive piece 2 and at least one of the elastic pieces 3 are operated to overcome the biasing force, the external bus bar extends into the space between the output electrode bus bar and the conductive piece 2, the conductive piece 2 continues to press the external bus bar under the action of the biasing force of the elastic pieces 3, and then the upper surface and the lower surface of the external bus bar are tightly attached to the output electrode bus bar and the conductive piece.
It can be seen that, the utility model discloses a busbar output utmost point seat utilizes the biasing effect of elastic component to electrically conductive, realized the reliable electrically conductive connection between external busbar and the output utmost point busbar, can realize the convenient connection between external busbar and the output utmost point busbar, assembly efficiency is improved, the cost of labor has been practiced thrift, and simultaneously, through the setting of having left out traditional bolt, and then a series of problems brought by the bolt installation have been overcome, for example, bolt moment decay and anti-pine problem have been avoided, need not to use special electric gun in the installation, the setting of a standard component has been lacked, certain administrative expense can also be saved.
It should be noted that, in order to save the installation space and facilitate the installation of the conductive device 2, a cavity capable of accommodating the conductive device 2 is arranged in the support 1, the bus bar output electrode holder includes a guide post 5 arranged in the cavity, and the conductive device 2 is slidably arranged on the guide post 5. It can be understood that the conductive member 2 can slide along the guide post 5 by the biasing force of the elastic member 3 to the conductive member 2.
Of course, the elastic member 3 may be disposed in any suitable manner as long as it is ensured that the conductive member 2 can be provided with a biasing force. In this embodiment, a base 6 integrally disposed with the support 1 is disposed at the bottom of the cavity, the guide post 5 is disposed on the base 6, and the elastic member 3 is sleeved on the guide post 5 and located between the conductive member 2 and the base 6. The elastic member 3 may be a spring, two ends of the spring abut against the conductive member 2 and the base 6, and the spring is always in a compressed state, so as to ensure that the conductive member 2 can be provided with a biasing force toward the output electrode bus bar. It should be noted that the base 6, the guide post 5 and the support 1 may be integrally formed by injection molding.
In addition, the conductive member 2 may be slidably connected to the guide post 5 in any suitable manner, as long as it can move under the bias force to make it always abut against the external bus bar or the output electrode bus bar. Further, the outer wall of the guide post 5 is provided with an elastic bulge 7, the elastic bulge 7 can realize elastic expansion so as to be located on the same plane with the outer wall of the guide post 5, the conductive piece 2 is of a hollow structure with an opening at the bottom and is sleeved on the guide post 5, the inner wall of the conductive piece 2 is provided with a sliding groove for the elastic bulge 7 to slide, and stopping parts for limiting the elastic bulge 7 to separate from the sliding groove are arranged at two ends of the sliding groove. In the installation process of the conductive piece 2, the elastic bulge 7 is extruded to be hidden on the outer wall surface of the guide post 5, then the conductive piece 2 is sleeved, the elastic bulge 7 is kept in a pressed state under the action of the stopping part at first until the conductive piece 2 moves to the state that the elastic bulge 7 contacts the sliding groove, and the elastic bulge 7 is released in the sliding groove, so that the sliding of the elastic bulge 7 in the sliding groove can be realized, and the separation from the sliding groove in the sliding process can be avoided.
Considering that the output electrode busbar needs to be limited and fixed in the installation process, the support 1 is provided with the limiting parts 4, in order to ensure the stability in the fixing process, the number of the limiting parts 4 is set to be at least two and is relatively set on the inner wall of the support 1, the limiting parts 4 are set to be along the inner wall which protrudes inwards, the limiting parts 4 are provided with guide surfaces 8 which are obliquely arranged and stop surfaces which are arranged at the bottoms of the guide surfaces 8, and the guide surfaces 8 are set to be capable of guiding the output electrode busbar to slide downwards along the guide surfaces 8 so as to stop the output electrode busbar at the bottoms of the stop surfaces. The locating part 4 can ensure the stability of the output electrode bus bar in the support 1, and meanwhile, the external bus bar can be respectively abutted against the conductive part 2 and the output electrode bus bar under the action of the biasing force of the elastic part 3 through the limiting of the output electrode bus bar.
It can be understood that the holder 1 has a mounting surface 9 for receiving the external bus bar, the conductive member 2 has a connecting surface 10 capable of contacting with the external bus bar, and since the conductive member 2 will abut against the output electrode bus bar under the bias force, in order to facilitate the installation of the external bus bar, the conductive member 2 is provided with a pressing member 11 for pressing the conductive member 2 so that the connecting surface 10 can be lower than the mounting surface 9. By pressing the pressing piece 11 so that the connection surface 10 is lower than the mounting surface 9, thereby facilitating the placement of the external bus bar on the mounting surface 9, and then releasing the pressing piece 11, the conductive member 2 is brought into contact with the external bus bar by the elastic member 3. The pressing member 11 may be disposed at any position of the conductive member 2 as long as the conductive member 2 can be operated, and the output electrode bus bar is correspondingly provided with a through hole through which the pressing member 11 can pass.
In order to prevent the external bus bar from slipping off from the bus bar output electrode base in the conductive connection process, the top of the conductive piece 2 is provided with a positioning piece 12 which can penetrate through the external bus bar and the output electrode bus bar. Correspondingly, the external bus bar and the output electrode bus bar are respectively and correspondingly provided with positioning holes matched with the positioning pieces. Realize the location effect, setting element 12 sets up to outstanding in connecting face 10, thereby at the in-process of installation external busbar, setting element 12 can be outstanding in installation face 9, fix a position in order to the assembly of external busbar, in addition, because behind release pressing member 11, setting element 12 can pass the locating hole on the output pole busbar, consequently, after electrically conductive connection is accomplished, external busbar can overlap all the time and establish on setting element 12 and be located between electrically conductive 2 and the output pole busbar, effectively prevent the drunkenness of external busbar, and then guaranteed the stability and the reliability of electrically conductive connection.
It should be noted that the conductive member 2 may be designed as the structure shown in the figures, or may be designed to have a through hole penetrating through the interior, the conductive member 2 is also sleeved on the guide post 5, and by using the limitation of the sliding groove and the stopping portion, when the conductive member 2 slides to the limit state, a part of the guide post 5 still protrudes out of the connection surface 10, at this time, the guide post 5 may be used as the positioning member 12, which further facilitates the manufacturing of the component.
In order to better protect the conductive parts on the support 1, the busbar output pole socket comprises an upper cover which is detachably mounted on the support 1. Of course, the guide post 5 and the conductive member 2 are made of conductive materials, and the upper cover and the support 1 are made of insulating materials.
The utility model discloses the second aspect provides a battery module, including busbar, external busbar, two at least module units and above-mentioned arbitrary scheme busbar output polar seat, the busbar output polar seat reaches the quantity one-to-one of module unit, the busbar sets up the top of module unit, the output utmost point busbar is followed the busbar extends the setting, external busbar is connected in adjacent two the output utmost point busbar, the upper and lower two sides of external busbar respectively with the output utmost point busbar with electrically conductive piece 2 contacts. The utility model discloses a link to each other through external busbar between the module unit among the battery module, adopt electrically conductive the being connected between external busbar and the output pole busbar simultaneously, left out the setting of traditional bolt, avoided bolt moment decay and anti-pine problem, improved assembly efficiency, practiced thrift the cost of labor.
The utility model discloses the third aspect provides a battery package, including above-mentioned scheme battery module. The battery pack has all the advantages of the battery module, and redundant description is omitted here.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The bus bar output pole socket is characterized by comprising a support (1), a conductive piece (2), an elastic piece (3) and an output pole bus bar, wherein the output pole bus bar is detachably mounted on the support (1), the elastic piece (3) is arranged to always provide a biasing force towards the output pole bus bar for the conductive piece (2), so that an external bus bar between the output pole bus bar and the conductive piece (2) can be respectively contacted with the output pole bus bar and the conductive piece (2), and at least one of the conductive piece (2) and the elastic piece (3) is arranged to be capable of operating to overcome the biasing force, so that the external bus bar can extend into a position between the output pole bus bar and the conductive piece (2).
2. The busbar output pole socket according to claim 1, wherein a cavity capable of accommodating the conductive member (2) is formed in the support (1), the busbar output pole socket comprises a guide post (5) arranged in the cavity, and the conductive member (2) is slidably arranged on the guide post (5).
3. The busbar output pole socket according to claim 2, wherein the bottom of the cavity is provided with a base (6) integrally arranged with the support (1), the guide post (5) is arranged on the base (6), and the elastic member (3) is sleeved on the guide post (5) and is positioned between the conductive member (2) and the base (6).
4. The busbar output pole socket according to claim 2, wherein the outer wall of the guide post (5) is provided with an elastic protrusion (7), the conductive member (2) is of a hollow structure with an open bottom and is sleeved on the guide post (5), the inner wall of the conductive member (2) is provided with a sliding groove for the elastic protrusion (7) to slide, and two ends of the sliding groove are provided with stopping portions for limiting the elastic protrusion (7) to be separated from the sliding groove.
5. The busbar output pole socket according to claim 1, wherein the support (1) is provided with limiting members (4) for limiting the positions of the output pole busbars, the number of the limiting members (4) is at least two, the limiting members (4) are oppositely arranged on the inner wall of the support (1), the limiting members (4) are arranged to protrude inwards along the inner wall, the limiting members (4) are provided with guide surfaces (8) which are obliquely arranged and stop surfaces which are arranged at the bottoms of the guide surfaces (8), and the guide surfaces (8) are arranged to guide the output pole busbars to slide downwards so that the output pole busbars are stopped at the bottoms of the stop surfaces.
6. The busbar output pole socket according to claim 1, wherein the holder (1) has a mounting surface (9) for receiving the external busbar, the conductive member (2) has a connection surface (10) contactable with the external busbar, and the conductive member (2) is provided with a pressing member (11) for pressing the conductive member (2) so that the connection surface (10) can be lower than the mounting surface (9).
7. The busbar output pole socket according to claim 1, wherein a positioning piece (12) capable of penetrating the external busbar and the output pole busbar is arranged on the top of the conductive piece (2).
8. The busbar output pole socket according to claim 1, comprising an upper cover removably mounted to the support (1).
9. A battery module, comprising a bus bar, an external bus bar, at least two module units, and the bus bar output electrode holder of any one of claims 1 to 8, wherein the number of the bus bar, the bus bar output electrode holder, and the module units is one-to-one, the bus bar is disposed on the top of the module unit, the output electrode bus bar extends along the bus bar, the external bus bar is connected to two adjacent output electrode bus bars, and the upper and lower surfaces of the external bus bar are respectively in contact with the output electrode bus bar and the conductive member (2).
10. A battery pack comprising the battery module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389311.2U CN210837911U (en) | 2019-12-26 | 2019-12-26 | Bus bar output pole seat, battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389311.2U CN210837911U (en) | 2019-12-26 | 2019-12-26 | Bus bar output pole seat, battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210837911U true CN210837911U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922389311.2U Active CN210837911U (en) | 2019-12-26 | 2019-12-26 | Bus bar output pole seat, battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210837911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143470A1 (en) * | 2020-12-30 | 2022-07-07 | 蜂巢能源科技股份有限公司 | Module output electrode structure |
-
2019
- 2019-12-26 CN CN201922389311.2U patent/CN210837911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143470A1 (en) * | 2020-12-30 | 2022-07-07 | 蜂巢能源科技股份有限公司 | Module output electrode structure |
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