CN219696653U - Battery pack and energy storage system comprising same - Google Patents
Battery pack and energy storage system comprising same Download PDFInfo
- Publication number
- CN219696653U CN219696653U CN202321342784.7U CN202321342784U CN219696653U CN 219696653 U CN219696653 U CN 219696653U CN 202321342784 U CN202321342784 U CN 202321342784U CN 219696653 U CN219696653 U CN 219696653U
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- Prior art keywords
- panel
- battery pack
- battery
- voltage
- battery module
- Prior art date
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- 238000004146 energy storage Methods 0.000 title claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 23
- 230000001012 protector Effects 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 9
- 230000002349 favourable effect Effects 0.000 description 11
- 230000010354 integration Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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
Abstract
The utility model provides a battery pack and an energy storage system comprising the battery pack. The battery pack includes: a battery module; the integrated sampling assembly is arranged at the top of the battery module and is electrically connected with the battery module; the panel is positioned at one end of the battery module and is arranged at intervals with the battery module; the high-voltage connector is integrated on the panel and is electrically connected with the high-voltage output end of the integrated sampling assembly through the conductive element; the conductive element is pre-buried in the panel, and the both ends of conductive element extend out of the panel and are connected to the high-voltage electric connector and the high-voltage output end respectively. The high-voltage electric connector is integrated on the panel, and the high-voltage electric connector does not need to be configured independently, so that the structure of the battery pack is simplified, and the cost is reduced. Meanwhile, the whole volume of the battery pack is also reduced. In addition, the conductive element for realizing the electric connection between the high-voltage electric connector and the high-voltage output end is embedded in the panel, which is beneficial to protecting the conductive element, simplifying the structure of the battery pack and reducing the whole volume of the battery pack.
Description
Technical Field
The utility model relates to the field of battery packs, in particular to a battery pack and an energy storage system comprising the battery pack.
Background
An energy storage battery is a device for directly converting chemical energy into electric energy, is a battery designed to be rechargeable, realizes recharging through reversible chemical reaction, is one type of battery, and belongs to secondary batteries. The working principle of the energy storage battery is as follows: the internal active material is regenerated by external electric energy during charging, the electric energy is stored as chemical energy, and the chemical energy is converted into electric energy again for output when discharging is needed.
The panel is an end plate at one end of the battery pack, is used as a cladding structure outside the battery pack, is an important structure in the energy storage battery, is used for protecting the internal battery module and other structures, and simultaneously provides the functions of supporting and fixing the battery pack.
In order to achieve the electrical connection of the battery module inside the battery pack with the external battery management system, it is necessary to provide corresponding high-voltage connectors and low-voltage connectors. In the prior art, the high-voltage connector and the low-voltage connector are both independently mounted on the panel, so that the structure of the battery pack is complex, and the processing cost is high. Meanwhile, the corresponding structure is also arranged between the panel and the battery module, and occupies more space inside the battery pack, so that the whole volume of the battery pack is larger.
Disclosure of Invention
The utility model aims to overcome the defects of complex structure, high processing cost and large whole volume of a battery pack in the prior art, and provides the battery pack and an energy storage system comprising the battery pack.
The utility model solves the technical problems by the following technical scheme:
a battery pack, the battery pack comprising:
a battery module;
the integrated sampling assembly is arranged at the top of the battery module and is electrically connected with the battery module;
the panel is positioned at one end of the battery module and is arranged at intervals with the battery module; a kind of electronic device with high-pressure air-conditioning system
The high-voltage electric connector is integrated on the panel and is electrically connected with the high-voltage output end of the integrated sampling assembly through a conductive element;
the conductive element is pre-buried in the panel, and two ends of the conductive element extend out of the panel and are respectively connected with the high-voltage electric connector and the high-voltage output end.
In this scheme, high-voltage electric connector integration is on the panel, need not to dispose the high-voltage electric connector who is connected to on the panel alone, has saved connection structure and the switching pencil that are used for realizing high-voltage electric connector and panel connection or installation, is favorable to simplifying the structure of battery package, and then is favorable to reduce cost. Meanwhile, the whole volume of the battery pack is also reduced. In addition, the conductive element for realizing the electric connection between the high-voltage electric connector and the high-voltage output end is embedded in the panel, which is beneficial to protecting the conductive element, simplifying the structure of the battery pack and reducing the whole volume of the battery pack.
Preferably, a protruding part is formed on the panel at a position for arranging the high-voltage electric connector, and extends towards one side of the panel away from the battery module, so that an accommodating cavity is formed on one side of the protruding part towards the battery module;
one end of the conductive element, which is close to the high-voltage electric connector, extends into the accommodating cavity, and one end of the high-voltage electric connector is positioned in the accommodating cavity, while the other end extends out of the protruding part.
In this scheme, adopt above-mentioned structure setting, the holding chamber can hold conductive element and partial high-voltage electric connector, for conductive element and high-voltage electric connector's setting provides the space, has improved the space utilization between panel and the battery module, is favorable to further reducing the whole volume of battery package.
Preferably, the conductive element is a copper bar.
In this scheme, adopt above-mentioned structure setting, copper bar and high-voltage electric connector, battery module directly link to each other, have cancelled switching copper bar and insulated column in comparison with prior art, are favorable to reduce cost, also are favorable to simplifying the overall structure of battery package.
Preferably, the battery pack further comprises a battery management system integrated on the panel;
the low-voltage output end of the integrated sampling assembly is electrically connected with the battery management system.
In this scheme, adopt above-mentioned structure setting, battery management system integration is on the panel, and not set up independently with the panel, compares in prior art, has cancelled battery management system's casing and corresponding switching pencil, can simplify the overall structure of battery package to a great extent, and can further reduce the overall dimension of battery package.
Preferably, the battery management system is integrated on one side of the panel away from the battery module;
the low-voltage output end is spliced with a connecting terminal of the battery management system.
In this scheme, adopt above-mentioned structure setting, utilized the space on the panel better, simultaneously, compare in one side towards battery module in the integration for battery management system's connecting terminal and integrated sampling assembly's low pressure output distance is slightly far away, for the connection of both provides great operating space, conveniently realizes the connection of both. In addition, the low-voltage output end and the connecting terminal of the battery management system are connected in a plugging mode, the implementation mode is simple, the connecting point can be reduced while the cost is reduced, the error rate of the wire harness is reduced, and the reliability of the electric connector is guaranteed.
Preferably, the low-voltage output end is provided with a connecting part and a bending part which are connected end to end from the integrated sampling assembly towards the direction approaching to the battery management system;
wherein, the bending part is spliced with the connecting terminal.
In this scheme, adopt above-mentioned structure setting, the structure of low pressure output is simpler, and the setting of bending part also conveniently realizes being connected with battery management system's connecting terminal.
Preferably, the battery pack further includes a protector configured to be fused when a voltage exceeds a preset value;
wherein, the both ends of protection piece are respectively electric connection in battery module and high-voltage electric connector.
In this scheme, adopt above-mentioned structure setting, the protection piece can be fused when the voltage is too big to can play the effect of high voltage protection, be favorable to guaranteeing the security of battery package.
Preferably, the protection piece is embedded in one side of the panel facing the battery module.
In this scheme, adopt above-mentioned structure setting, the protection piece inlays and locates the panel, and not expose in the outside, has both saved or reduced the space occupation of protection piece in the panel outside, has improved the space utilization of panel itself, simultaneously, also can play the guard action to the protection piece, prevents interference or the collision on other structure and the protection piece emergence position to be favorable to guaranteeing that the protection piece does not receive the influence of outside structure, and then also be favorable to guaranteeing that the protection piece can normally function.
Preferably, the protection piece is embedded in the panel through injection molding with the panel.
In this scheme, adopt above-mentioned structure setting, saved other structure that realize protection piece and panel connection, be favorable to further simplifying the overall structure of battery package. Meanwhile, the protection piece can be reliably embedded on the panel by adopting injection molding, so that the normal use of the protection piece is guaranteed.
The utility model also provides an energy storage system which comprises a frame body and the battery pack, wherein the battery pack is arranged in the frame body. The utility model has the positive progress effects that:
in the battery pack, the high-voltage electric connector is integrated on the panel, and the high-voltage electric connector connected to the panel does not need to be configured independently, so that a connecting structure and a switching wire harness for connecting or installing the high-voltage electric connector and the panel are omitted, the structure of the battery pack is simplified, and cost is reduced. Meanwhile, the whole volume of the battery pack is also reduced. In addition, the conductive element for realizing the electric connection between the high-voltage electric connector and the high-voltage output end is embedded in the panel, which is beneficial to protecting the conductive element, simplifying the structure of the battery pack and reducing the whole volume of the battery pack.
Drawings
Fig. 1 is a schematic view illustrating a portion of a battery pack according to an embodiment of the present utility model.
Fig. 2 is a schematic top view of a battery pack according to an embodiment of the utility model.
Fig. 3 is a schematic view illustrating a structure of a panel of a battery pack according to a first embodiment of the present utility model.
Fig. 4 is a schematic structural view of a panel of a battery pack according to a second view angle of an embodiment of the present utility model.
Fig. 5 is a schematic structural view illustrating a third view of a panel of a battery pack according to an embodiment of the present utility model.
Fig. 6 is a schematic structural view illustrating a fourth view of a panel of a battery pack according to an embodiment of the present utility model.
Fig. 7 is a schematic structural view of a panel of a battery pack according to a fifth embodiment of the present utility model.
Fig. 8 is a schematic structural view of a panel of a battery pack according to a sixth view angle of an embodiment of the present utility model.
Description of the reference numerals
10 battery module
20 Integrated sampling Assembly
201 high voltage output terminal
202 low voltage output terminal
203 connecting portion
204 bending part
30 panel
301 bulge
302 accommodation cavity
40 high-voltage electric connector
50 bottom plate
60 conductive element
70 battery management system
701 connection terminal
80 protector
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.
The utility model solves the technical problems by the following technical scheme:
as shown in fig. 1 to 8, the present embodiment provides a battery pack including a battery module 10, an integrated sampling assembly 20, a panel 30, and a high-voltage electrical connector 40. Wherein the integrated sampling assembly 20 is mounted on the top of the battery module 10 and electrically connected thereto; the panel 30 is positioned at one end of the battery module 10 and spaced apart therefrom; the high voltage electrical connector 40 is integrated on the panel 30, the high voltage electrical connector 40 being electrically connected to the high voltage output 201 of the integrated sampling assembly 20 via the conductive element 60. The conductive element 60 is pre-embedded in the panel 30, and two ends of the conductive element 60 extend out of the panel 30 and are respectively connected to the high-voltage connector 40 and the high-voltage output terminal 201.
In this embodiment, the high-voltage electrical connector 40 is integrated on the panel 30, and the high-voltage electrical connector 40 connected to the panel 30 does not need to be configured separately, so that a connection structure and a switching harness for connecting or installing the high-voltage electrical connector 40 to the panel 30 are omitted, which is beneficial to simplifying the structure of the battery pack and further reducing the cost. Meanwhile, the whole volume of the battery pack is also reduced. In addition, the conductive element 60 for electrically connecting the high-voltage connector 40 and the high-voltage output terminal 201 is embedded in the panel 30, which is beneficial to protecting the conductive element 60, simplifying the structure of the battery pack and reducing the overall volume of the battery pack.
The specific material and structure of the conductive element 60 are not particularly limited, as long as the electrical connection between the high-voltage connector 40 and the high-voltage output terminal 201 of the integrated sampling assembly 20 can be achieved. In particular, in the present embodiment, the conductive elements 60 are provided as copper bars. So set up, copper bar and high-voltage electric connector 40, battery module 10 directly link to each other, have cancelled switching copper bar and insulating column in comparison with prior art, are favorable to reduce cost, also are favorable to simplifying the overall structure of battery package.
In addition, the pre-buried position of the conductive element 60 on the panel 30 is not particularly limited, as long as the electrical connection between the high-voltage connector 40 and the high-voltage output terminal 201 of the integrated sampling assembly 20 can be achieved without affecting the arrangement of other structural members.
Also shown in fig. 1 and 2 is a bottom plate 50 of the battery pack, and a battery film stack and a faceplate 30 are provided on the bottom plate 50, and the faceplate 30 may be detachably connected to the bottom plate 50 by screw connection or the like, or otherwise.
It should be noted that, the battery pack provided in this embodiment is specifically an energy storage battery pack.
As shown in fig. 1 to 5, a protrusion 301 is formed on the panel 30 at a position for disposing the high-voltage electrical connector 40, and the protrusion 301 extends toward a side of the panel 30 facing away from the battery module 10 such that a receiving cavity 302 is formed at a side of the protrusion 301 facing toward the battery module 10. One end of the conductive element 60 near the high-voltage electrical connector 40 extends into the accommodating cavity 302, and one end of the high-voltage electrical connector 40 is located in the accommodating cavity 302, and the other end extends out of the protruding portion 301.
The accommodating cavity 302 can accommodate the conductive element 60 and a part of the high-voltage electrical connector 40, so that a space is provided for the conductive element 60 and the high-voltage electrical connector 40, the space utilization rate between the panel 30 and the battery module 10 is improved, and the overall volume of the battery pack is further reduced. In addition, the high-voltage electrical connector 40
It should be noted that the above-mentioned arrangement of the conductive element 60 and the high-voltage connector 40 is only a preferred arrangement, but in practice, any arrangement applicable to the arrangement and the corresponding arrangement of the conductive element 60 and the high-voltage connector 40 may be selected in order to electrically connect the high-voltage connector 40 and the high-voltage output terminal 201.
As will be appreciated with reference to fig. 1-5, the battery pack further includes a battery management system 70, the battery management system 70 being integrated on the panel 30, the low voltage output 202 of the integrated sampling assembly 20 being electrically connected to the battery management system 70.
Wherein, the battery management system 70 is integrated on the panel 30, rather than being independently disposed with the panel 30, and compared with the prior art, the housing of the battery management system 70 and the corresponding switching harness are omitted, so that the overall structure of the battery pack can be simplified to a greater extent, and the overall size of the battery pack can be further reduced.
Further, the battery management system 70 is integrated on the side of the panel 30 facing away from the battery module 10, and the low voltage output 202 is plugged into the connection terminal 701 of the battery management system 70.
In this way, the space on the panel 30 is better utilized, and meanwhile, compared with the space integrated on the side facing the battery module 10, the connection terminal 701 of the battery management system 70 and the low voltage output end 202 of the integrated sampling assembly 20 are slightly far away, so that a larger operation space is provided for the connection of the two, and the connection of the two is convenient to realize. In addition, the connection between the low-voltage output end 202 and the connection terminal 701 of the battery management system 70 is realized in a plugging manner, so that the implementation manner is simple, the connection points can be reduced while the cost is reduced, the error rate of the wire harness is reduced, and the reliability of the electric connector is ensured.
It should be noted that in other alternative embodiments, the battery management system 70 may be integrated on the side of the panel 30 facing away from the battery module 10, or at other alternative locations in the panel 30. In other alternative embodiments, the connection terminal 701 of the battery management system 70 and the low voltage output 202 of the integrated sampling assembly 20 may be connected in a manner other than plugging, so long as the electrical connection between the two is achieved.
Further, from the integrated sampling assembly 20 toward the battery management system 70, the low voltage output terminal 202 has a connection portion 203 and a bending portion 204 connected end to end, and the bending portion 204 is plugged with the connection terminal 701. The structure of the low voltage output terminal 202 is relatively simple, and the bent portion 204 is also convenient for connecting with the connection terminal 701 of the battery management system 70.
As will be appreciated in conjunction with fig. 1 and 2, the connection 203 of the low voltage output 202 extends from the edge of the integrated sampling assembly 20 toward the panel 30, and the connection 203 of the low voltage output 202 extends just to the panel 30, such that the bent portion 204 fits just to the side wall of the side of the panel 30 where the battery management system 70 is disposed. By this arrangement, the rigidity of the low voltage output terminal 202 is improved, which is advantageous in ensuring the reliability of the electrical connection between the low voltage output terminal 202 and the connection terminal 701 of the battery management system 70.
As shown in fig. 6, the battery pack further includes a protector 80, the protector 80 being configured to be fused when the voltage exceeds a preset value, both ends of the protector 80 being electrically connected to the battery module 10 and the high-voltage electrical connector 40, respectively.
The protection member 80 can be fused when the voltage is too high, so that the protection member can play a role in high-voltage protection, and the safety of the battery pack is guaranteed.
As a preferable arrangement, the protector 80 of the present embodiment is provided as a copper bar narrow diameter. In practice, the protection 80 functions as a fuse,
further, the protector 80 is embedded at a side of the panel 30 facing the battery module 10. Wherein, the protection piece 80 is embedded in the panel 30, but not exposed outside, thereby not only omitting or reducing the space occupation of the protection piece 80 outside the panel 30 and improving the space utilization rate of the panel 30, but also protecting the protection piece 80 and preventing other structural members from interfering or colliding with the protection piece 80 in position, thereby being beneficial to ensuring that the protection piece 80 is not influenced by external structural members, and further being beneficial to ensuring that the protection piece 80 can normally function.
In this embodiment, the panel 30 may be directly seen from the outside of the protection member 80, so that it is convenient to determine whether the voltage reaches the threshold value by observing whether the protection member 80 is fused.
In addition, the positions and the number of the protector 80 are not particularly limited as long as the high-voltage protection function is provided.
Further, the protector 80 is embedded in the panel 30 by injection molding with the panel 30. By this arrangement, other structural members for connecting the protector 80 and the panel 30 are omitted, which is advantageous for further simplifying the overall structure of the battery pack. Meanwhile, the protection piece 80 can be reliably embedded on the panel 30 by adopting injection molding, so that the normal use of the protection piece 80 is ensured.
In summary, the panel 30 in the present embodiment is integrated with the high-voltage electrical connector 40 and the battery management system 70, and meanwhile, the panel 30 is embedded with the protection member 80 and the conductive element 60, wherein the high-voltage electrical connector 40 is directly plugged with the connection terminal 701 of the battery management system 70 through the conductive element 60 and the high-voltage output terminal 201 of the integrated sampling assembly 20, so that the structure of the battery pack is simplified to a greater extent, which is beneficial to reducing the cost and the overall volume of the battery pack. Meanwhile, the protection member 80 can also play a role in high-voltage protection, which is beneficial to ensuring the safety of the battery pack.
The embodiment also provides an energy storage system, which comprises a frame body and the battery pack, wherein the battery pack is arranged in the frame body. The energy storage system may be an energy storage container including a small container.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (10)
1. A battery pack, the battery pack comprising:
a battery module;
the integrated sampling assembly is arranged at the top of the battery module and is electrically connected with the battery module;
the panel is positioned at one end of the battery module and is arranged at intervals with the battery module; a kind of electronic device with high-pressure air-conditioning system
The high-voltage electric connector is integrated on the panel and is electrically connected with the high-voltage output end of the integrated sampling assembly through a conductive element;
the conductive element is pre-buried in the panel, and two ends of the conductive element extend out of the panel and are respectively connected with the high-voltage electric connector and the high-voltage output end.
2. The battery pack according to claim 1, wherein a boss is formed on the panel at a position for disposing the high-voltage electrical connector, the boss extending toward a side of the panel facing away from the battery module such that a receiving cavity is formed on a side of the boss facing toward the battery module;
one end of the conductive element, which is close to the high-voltage electric connector, extends into the accommodating cavity, and one end of the high-voltage electric connector is positioned in the accommodating cavity, while the other end extends out of the protruding part.
3. The battery pack of claim 1, wherein the conductive elements are copper bars.
4. The battery pack of claim 1, further comprising a battery management system integrated on the panel;
the low-voltage output end of the integrated sampling assembly is electrically connected with the battery management system.
5. The battery pack of claim 4, wherein the battery management system is integrated on a side of the panel facing away from the battery module;
the low-voltage output end is spliced with a connecting terminal of the battery management system.
6. The battery pack of claim 5, wherein the low voltage output has an end-to-end connection and a bend from the integrated sampling assembly toward a direction proximate the battery management system;
wherein, the bending part is spliced with the connecting terminal.
7. The battery pack of claim 1, further comprising a protector configured to be fused when a voltage exceeds a preset value;
wherein, the both ends of protection piece are respectively electric connection in battery module and high-voltage electric connector.
8. The battery pack according to claim 7, wherein the protector is embedded in a side of the panel facing the battery module.
9. The battery pack of claim 8, wherein the protector is embedded in the panel by injection molding with the panel.
10. An energy storage system comprising a housing and a battery pack according to any one of claims 1-9, the battery pack being disposed within the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342784.7U CN219696653U (en) | 2023-05-30 | 2023-05-30 | Battery pack and energy storage system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342784.7U CN219696653U (en) | 2023-05-30 | 2023-05-30 | Battery pack and energy storage system comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219696653U true CN219696653U (en) | 2023-09-15 |
Family
ID=87965717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321342784.7U Active CN219696653U (en) | 2023-05-30 | 2023-05-30 | Battery pack and energy storage system comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219696653U (en) |
-
2023
- 2023-05-30 CN CN202321342784.7U patent/CN219696653U/en active Active
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