CN220984713U - Battery pack and energy storage system - Google Patents
Battery pack and energy storage system Download PDFInfo
- Publication number
- CN220984713U CN220984713U CN202322496348.1U CN202322496348U CN220984713U CN 220984713 U CN220984713 U CN 220984713U CN 202322496348 U CN202322496348 U CN 202322496348U CN 220984713 U CN220984713 U CN 220984713U
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- China
- Prior art keywords
- plate
- sealing
- top cover
- battery pack
- upper opening
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- 238000004146 energy storage Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 230000002093 peripheral effect Effects 0.000 claims description 24
- 239000011324 bead Substances 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery pack and an energy storage system, wherein the battery pack comprises: main shell, top cap, sealing ring and battery module. The main shell is provided with a cavity and a top plate, the top plate is provided with an upper opening, the upper opening is communicated with the cavity, and sealing matching ribs are arranged on the top plate along the periphery of the edge of the upper opening. The top cover is connected to the main shell, and the top cover covers the sealing matching ribs and the upper opening. The sealing ring is arranged between the sealing matching rib and the top cover so as to seal a gap between the top cover and the sealing matching rib. The battery module is arranged in the cavity and is provided with a plurality of electric cores. According to the battery pack, the top plate is arranged on the main shell, the top plate is provided with the upper opening, the sealing matching rib is arranged on the periphery of the upper opening, the sealing ring is conveniently arranged on the sealing matching rib, the sealing between the sealing matching rib and the top cover is realized, the sealing effect is good, and the condition that liquid is permeated into the battery pack due to poor sealing is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of energy storage batteries, in particular to a battery pack and an energy storage system.
Background
The battery pack has a wide application range as a new energy storage unit, and can provide electric energy for new energy vehicles or outdoor energy storage equipment, for example. Existing battery packs generally include a main case, a top wall, and a battery module. The main shell is provided with a bottom wall and a peripheral side wall, a cavity is formed by surrounding the bottom wall and the peripheral side wall, the battery module is arranged in the cavity, and the top wall is detachably connected with the upper edge of the peripheral side wall of the main shell so as to seal the cavity. The battery pack needs to be subjected to sealing treatment in application to ensure the safety of the battery module inside the battery pack and prevent external rainwater from flowing in through gaps on the battery pack. If sealing treatment is not carried out, outside rainwater can flow to the battery pack in rainy days, and rainwater can permeate into the battery pack through gaps on the battery pack, so that the battery module in the battery pack is short-circuited, and potential safety hazards are caused. In the prior art, the roof and the week lateral wall detachable of battery package are connected, and the upper edge a week direct contact of roof and week lateral wall is connected, and the junction has the gap, need do sealed processing, but directly set up seal structure between roof and the week lateral wall, and the degree of difficulty is big, and sealed effect is general, appears liquid easily and infiltrate the inside problem that damages the battery module of battery package through the gap between roof and the week lateral wall.
In view of this, the present utility model has been made.
Disclosure of utility model
The utility model provides a battery pack and an energy storage system.
The application provides the following technical scheme:
A first object of the present application is to provide a battery pack including:
the main shell is provided with a cavity and a top plate, the top plate is provided with an upper opening, the upper opening is communicated with the cavity, and sealing matching ribs are arranged on the top plate along the periphery of the upper opening;
The top cover is connected to the main shell and covers the sealing matching rib and the upper opening;
The sealing ring is arranged between the sealing matching rib and the top cover so as to seal a gap between the top cover and the sealing matching rib;
the battery module is arranged in the cavity and is provided with a plurality of electric cores.
Optionally, the sealing matching rib comprises a ring plate and a standing rib;
The annular plate is parallel to the top plate, the annular plate and the top plate are arranged at intervals, and the annular plate extends along the circumferential direction of the upper opening;
The vertical ribs are arranged around the upper opening in a circle and are respectively connected with the top plate and the annular plate;
The sealing ring is pressed and configured on the ring plate and the top cover.
Optionally, the top cover comprises a main sealing plate and a side plate arranged along the periphery of the main sealing plate;
the sealing ring is positioned between the main sealing plate and the ring plate;
the side plates are fixedly connected to the sealing matching ribs.
Optionally, the battery pack comprises a plurality of blocks, each block is arranged at intervals along the extending direction of the stud, and the blocks are welded on the stud,
One end of a fastener is connected to the block through the side plate.
Optionally, an upper electric connector is arranged on the top cover;
The main shell is provided with a bottom plate opposite to the top cover;
And a lower electric connector is arranged on the bottom plate.
A second object of the present application is to provide an energy storage system, which includes a plurality of battery packs as described above, and each of the battery packs is stacked one above the other.
Optionally, the main shell has a peripheral side plate and a bottom plate;
one end of the peripheral side plate is provided with the top plate;
The bottom plate is arranged in the peripheral side plate, and one periphery of the bottom plate is connected with the inner wall of the peripheral side plate;
A positioning matching groove is formed between the bottom plate and the peripheral side plate, and the cavity is formed between the bottom plate and the top plate;
In two adjacent battery packs from top to bottom, the top cap of one is embedded in the locating matching groove of the other.
Optionally, a lower opening is formed at one end of the peripheral side plate, which is away from the top cover, and an annular contact plate is arranged at the periphery of the lower opening;
The annular contact plate is parallel to the bottom plate;
In the two battery packs which are adjacent up and down, the annular contact plate of one is sleeved on the side plate of the top cover of the other.
Optionally, the annular contact plate has first plate segments located at four corners of the peripheral plate and second plate segments located between adjacent first plate segments;
The first plate section is L-shaped, and the width of the first plate section is larger than that of the second plate section;
The first plate section is in contact with a side plate of the top cover, and the second plate section and the side plate have a gap.
Alternatively, in two battery packs adjacent one above the other, the upper connector of one is connected to the lower connector of the other.
By adopting the technical scheme, the application has the following beneficial effects:
According to the battery pack, the top plate is arranged on the main shell, the top plate is provided with the upper opening, the sealing matching rib is arranged on the periphery of the upper opening, the sealing ring is conveniently arranged on the sealing matching rib, the sealing between the sealing matching rib and the top cover is realized, the sealing effect is good, and the condition that liquid is permeated into the battery pack due to poor sealing is greatly reduced.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
Fig. 1 is a schematic view of an external structure of a battery pack according to an embodiment of the present application;
fig. 2 is another view of a battery pack according to an embodiment of the present application;
Fig. 3 is a schematic view of a structure of a battery pack with a top cover removed according to an embodiment of the present application;
FIG. 4 is an enlarged view of FIG. 3 at A;
Fig. 5 is a schematic structural view of a top cover of a battery pack according to an embodiment of the present application;
FIG. 6 is an enlarged view at B in FIG. 2;
Fig. 7 is an external structural schematic diagram of an energy storage system according to an embodiment of the present application.
In the figure: the main case 1, the top plate 11, the seal engaging ribs 111, the ring plate 1111, the seal ring 1111a, the studs 1112, the blocks 1112a, the bottom plate 12, the lower electrical connector 121, the peripheral side plate 13, the annular contact plate 131, the first plate segment 1311, the second plate segment 1312, the top cover 2, the main seal plate 21, the upper electrical connector 211, the side plate 22, the connection holes 221, and the battery module 3.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component 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 utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 7, a first embodiment of the present application provides a battery pack including: the main casing 1, the top cover 2, the sealing ring 1111a, and the battery module 3. The main shell 1 is provided with a cavity and a top plate 11, the top plate 11 is provided with an upper opening, the upper opening is communicated with the cavity, and sealing matching ribs 111 are arranged on the top plate 11 along the periphery of the edge of the upper opening. The top cover 2 is connected to the main casing 1, and the top cover 2 covers the seal engaging ribs 111 and the upper opening. The seal ring 1111a is disposed between the seal engagement rib 111 and the top cover 2 to close a gap between the top cover 2 and the seal engagement rib 111. The battery module 3 is disposed in the cavity, and the battery module 3 has a plurality of electric cores. According to the battery pack, the top plate 11 is arranged on the main shell 1, the top plate 11 is provided with the upper opening, the sealing matching rib 111 is arranged on the periphery of the upper opening, the sealing ring 1111a is conveniently arranged on the sealing matching rib 111, the sealing between the sealing matching rib 111 and the top cover 2 is realized, the sealing effect is good, and the condition that liquid is permeated into the battery pack due to poor sealing is greatly reduced.
As shown in fig. 4, the seal engaging rib 111 includes a ring plate 1111 and a stud 1112, the ring plate 1111 is parallel to the top plate 11, the ring plate 1111 and the top plate 11 are spaced apart, the ring plate 1111 extends along the circumference of the upper opening, the stud 1112 is disposed around the upper opening, and the stud 1112 connects the top plate 11 and the ring plate 1111, respectively, and the seal ring 1111a is configured with the ring plate 1111 and the top cover 2 in a pressed manner. The ring plate 1111 has an upper surface parallel to the top plate 11, and the sealing ring 1111a may be an annular sheet body, so that the sealing ring 1111a may be conveniently attached to the upper surface of the ring plate 1111, and when the top cover 2 is covered on the upper opening, the top cover 2 may compress the sealing ring 1111a between the ring plate 1111 and the top cover 2, so that the sealing effect is good.
As shown in fig. 5, the top cover 2 includes a main sealing plate 21 and a side plate 22 disposed along a periphery of an edge of the main sealing plate 21, the sealing ring 1111a is located between the main sealing plate 21 and the ring 1111, and the side plate 22 is fixedly connected to the sealing engagement rib 111.
In one possible embodiment, as shown in fig. 3 and 4, the battery pack includes a plurality of blocks 1112a, each of the blocks 1112a is disposed at intervals in sequence along the extension direction of the studs 1112, the blocks 1112a are welded to the studs 1112, and one end of a fastener is connected to the blocks 1112a through the side plate 22. The block 1112a is provided with a threaded hole, the side plate 22 is provided with a plurality of connecting holes 221, and the connecting holes 221 are sequentially arranged at intervals along the extending direction of the side plate 22. The fastening member may be a screw, when the top cover 2 is covered on the upper opening, a rod body of the screw may penetrate through the connecting hole 221 on the side plate 22 to be connected to the threaded hole on the block 1112a, and a cap body of the fastening member is limited at an outer edge of the connecting hole 221. In this way, the top cover 2 is fixedly connected to the shell, the screw is only connected to the block 1112a, and the whole circumference of the upright 1112 is not penetrated by the screw, so that the sealing performance is good, and rainwater is not easy to infiltrate.
As shown in fig. 1 and 2, the top cover 2 is provided with an upper electrical connector 211, the main housing 1 has a bottom plate 12 opposite to the top cover 2, and the bottom plate 12 is provided with a lower electrical connector 121. The upper electrical connector 211 is disposed on the main seal plate 21. A plurality of battery packs according to the present application are stacked up and down in order, and among the adjacent battery packs, the upper electrical connector 211 of one can be connected to the lower electrical connector 121 of the other to achieve electrical connection of the plurality of battery packs, and the plurality of battery packs are stacked up and down to achieve a desired voltage.
Example two
As shown in fig. 7, the embodiment of the application also provides an energy storage system, which comprises a plurality of battery packs as described above, and each battery pack is stacked one above the other. Among the adjacent battery packs, the upper electrical connector 211 of one can be communicated with the lower electrical connector 121 of the other to realize the electrical communication of a plurality of battery packs, and the plurality of battery packs are stacked up and down to reach the voltage required by the energy storage system of the application.
The main casing 1 is provided with a peripheral side plate 13 and a bottom plate 12, one end of the peripheral side plate 13 is provided with the top plate 11, the bottom plate 12 is arranged in the peripheral side plate 13, the periphery of the bottom plate 12 is connected with the inner wall of the peripheral side plate 13, a positioning matching groove is formed between the bottom plate 12 and the peripheral side plate 13, a cavity is formed between the bottom plate 12 and the top plate 11, and in two vertically adjacent battery packs, the top cover 2 of one battery pack is embedded in the positioning matching groove of the other battery pack. The positioning of two adjacent battery packs up and down is realized, and the two adjacent battery packs are prevented from moving in the horizontal direction, so that the energy storage system is unstable to place, and potential safety hazards are caused.
The side plate 13 is far away from one end of the top cover 2 and is provided with a lower opening, an annular contact plate 131 is arranged on the periphery of the lower opening, the annular contact plate 131 is parallel to the bottom plate 12, and in two vertically adjacent battery packs, the annular contact plate 131 of one battery pack is sleeved on the side plate 22 of the top cover 2 of the other battery pack.
In one possible embodiment, as shown in fig. 6, the annular contact plate 131 has first plate segments 1311 located at four corners of the peripheral plate 13 and second plate segments 1312 located between adjacent first plate segments 1311, the first plate segments 1311 being L-shaped, the first plate segments 1311 having a width greater than the width of the second plate segments 1312, the first plate segments 1311 being in contact with the side plates 22 of the top cover 2, the second plate segments 1312 and the side plates 22 having a gap. The stress points of the battery pack are at four corners, if the sizes of the top plate 11 and the positioning matching groove are completely consistent, the requirement on the precision of production and processing is very high, and the width of the first plate section 1311 is larger than that of the second plate section 1312, so that the requirement on the mounting precision is not high, the alignment adjustment can be facilitated, and the assembly is easy.
In two battery packs adjacent to each other, the upper connector of one is connected to the lower connector 121 of the other. Among the adjacent battery packs, the upper electrical connector 211 of one can be communicated with the lower electrical connector 121 of the other to realize the electrical communication of a plurality of battery packs, and the plurality of battery packs are stacked up and down to reach the voltage required by the energy storage system of the application.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.
Claims (10)
1. A battery pack, comprising:
the main shell is provided with a cavity and a top plate, the top plate is provided with an upper opening, the upper opening is communicated with the cavity, and sealing matching ribs are arranged on the top plate along the periphery of the upper opening;
The top cover is connected to the main shell and covers the sealing matching rib and the upper opening;
The sealing ring is arranged between the sealing matching rib and the top cover so as to seal a gap between the top cover and the sealing matching rib;
the battery module is arranged in the cavity and is provided with a plurality of electric cores.
2. The battery pack of claim 1, wherein the seal mating bead comprises a ring plate and a stud;
The annular plate is parallel to the top plate, the annular plate and the top plate are arranged at intervals, and the annular plate extends along the circumferential direction of the upper opening;
The vertical ribs are arranged around the upper opening in a circle and are respectively connected with the top plate and the annular plate;
The sealing ring is pressed and configured on the ring plate and the top cover.
3. The battery pack of claim 2, wherein the top cover includes a main sealing plate and a side plate disposed along a periphery of the main sealing plate;
the sealing ring is positioned between the main sealing plate and the ring plate;
the side plates are fixedly connected to the sealing matching ribs.
4. The battery pack of claim 3, comprising a plurality of blocks, each of the blocks being disposed at intervals in sequence along the extending direction of the stud, and the blocks being welded to the stud,
One end of a fastener is connected to the block through the side plate.
5. The battery pack of any one of claims 1-4, wherein an upper electrical connector is provided on the top cover;
The main shell is provided with a bottom plate opposite to the top cover;
And a lower electric connector is arranged on the bottom plate.
6. An energy storage system, comprising: a plurality of the battery packs according to any one of claims 1 to 5, each of the battery packs being stacked one above the other.
7. The energy storage system of claim 6, wherein said main housing has a peripheral side panel and a bottom panel;
one end of the peripheral side plate is provided with the top plate;
The bottom plate is arranged in the peripheral side plate, and one periphery of the bottom plate is connected with the inner wall of the peripheral side plate;
A positioning matching groove is formed between the bottom plate and the peripheral side plate, and the cavity is formed between the bottom plate and the top plate;
In two adjacent battery packs from top to bottom, the top cap of one is embedded in the locating matching groove of the other.
8. The energy storage system of claim 7, wherein the peripheral side plate has a lower opening at an end facing away from the top cover, and an annular contact plate is disposed along a periphery of the lower opening;
The annular contact plate is parallel to the bottom plate;
In the two battery packs which are adjacent up and down, the annular contact plate of one is sleeved on the side plate of the top cover of the other.
9. The energy storage system of claim 8, wherein the annular contact plate has first plate segments located at four corners of the peripheral plate and second plate segments located between adjacent first plate segments;
The first plate section is L-shaped, and the width of the first plate section is larger than that of the second plate section;
The first plate section is in contact with a side plate of the top cover, and the second plate section and the side plate have a gap.
10. The energy storage system of any of claims 6-9, wherein an upper connector of one of the two adjacent battery packs is connected to a lower connector of the other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322496348.1U CN220984713U (en) | 2023-09-14 | 2023-09-14 | Battery pack and energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322496348.1U CN220984713U (en) | 2023-09-14 | 2023-09-14 | Battery pack and energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984713U true CN220984713U (en) | 2024-05-17 |
Family
ID=91065118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322496348.1U Active CN220984713U (en) | 2023-09-14 | 2023-09-14 | Battery pack and energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984713U (en) |
-
2023
- 2023-09-14 CN CN202322496348.1U patent/CN220984713U/en active Active
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