CN220209237U - Battery pack and power device - Google Patents
Battery pack and power device Download PDFInfo
- Publication number
- CN220209237U CN220209237U CN202321705179.1U CN202321705179U CN220209237U CN 220209237 U CN220209237 U CN 220209237U CN 202321705179 U CN202321705179 U CN 202321705179U CN 220209237 U CN220209237 U CN 220209237U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- battery
- collection
- installation space
- collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 210000005069 ears Anatomy 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000005070 sampling Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a battery pack and a power device, wherein the battery pack comprises: the battery pack comprises a shell, a battery pack and a collection assembly, wherein a first installation space and a second installation space which are arranged along a first direction are formed in the shell, and an insulation space which extends along a second direction is arranged between the first installation space and the second installation space; the two groups of battery packs are respectively arranged in the first installation space and the second installation space; at least a portion of collection subassembly extends along the second direction and locates insulating space, and collection subassembly is used for gathering the information of every group battery, and this battery package can utilize insulating space between the group battery to gather the arrangement of subassembly, gathers the arrangement of subassembly and does not influence the whole volume of battery package, and the performance of battery package is better, and manufacturing cost is lower.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a battery pack and a power device.
Background
In the prior art, the scheme of sampling to the group battery in the battery package adopts more and gathers the structure in group battery both sides or in the big face of top individual layer, when arranging the structure in group battery both sides with gathering, the hoist and mount process is got to the clamp of group battery and is caused the destruction to gathering the structure easily, the transportation to sampling tray assembly receives the influence, and, whether with gathering the structure individual layer large tracts of land arrangement in the top or both sides of group battery, all can influence the installation welding of busbar, after the installation of busbar need be arranged in to the installation of gathering the structure, production efficiency has been reduced, manufacturing cost has been improved, there is improvement space.
Disclosure of Invention
In view of the above, the present utility model aims to provide a battery pack that can utilize an insulation space between battery packs to perform arrangement of collection components, the arrangement of the collection components does not affect the overall volume of the battery pack, the performance of the battery pack is better, and the production cost is lower.
The utility model also provides a power device with the battery pack.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a battery pack, comprising: a housing having a first installation space and a second installation space arranged in a first direction therein, an insulation space extending in a second direction being provided between the first installation space and the second installation space; the two groups of battery packs are respectively arranged in the first installation space and the second installation space; the collection assembly, at least a portion of collection assembly extends along the second direction and locates insulating space, collection assembly is used for gathering every group the information of group battery.
Further, the battery pack is provided with an insulating bracket for installing the busbar, and the acquisition assembly is arranged above the insulating bracket, and the height of the acquisition assembly is not more than the height of the highest point of the battery pack.
Further, collection subassembly includes at least one collection strip, collection strip includes body portion and a plurality of collection ear, a plurality of collection ear intervals are located body portion, collection ear with the group battery electricity is connected in order to gather information, collection strip is an organic whole spare.
Further, each group of battery packs comprises a plurality of battery modules connected in series, each group of battery modules comprises a plurality of battery cells connected in parallel, and the acquisition assembly is used for acquiring information of each battery module.
Further, the collection strip is a plurality of, and is a plurality of collection strip stacks the setting, and is adjacent collection strip gather ear in the length direction dislocation set of body portion.
Further, the collecting assembly further comprises an output plate, the output plate is located at one side of the battery pack in the second direction, and the body portions of the collecting strips are electrically connected with the output plate respectively.
Further, the output plate has a first surface and a second surface disposed opposite to each other, wherein a portion of the body portion is electrically connected to the first surface and another portion of the body portion is electrically connected to the second surface.
Further, each collecting lug is connected with a busbar of the corresponding battery module in a welding mode.
Further, the collection strip comprises an insulating film layer and a conductive circuit layer clamped between the two insulating film layers, and a part of the conductive circuit layer is exposed out of one insulating film layer to be in contact with the bus bar.
Compared with the prior art, the battery pack provided by the utility model has the following advantages:
according to the battery pack, the collection components can be arranged by utilizing the insulation space between the battery packs, the arrangement of the collection components does not affect the whole volume of the battery pack, the performance of the battery pack is better, and the production cost is lower.
A power plant according to another aspect of the utility model includes a battery pack as described above.
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. In the drawings:
fig. 1 is a partial schematic structure of a battery pack according to an embodiment of the present utility model;
fig. 2 is a partial schematic structure of a battery pack according to an embodiment of the present utility model;
fig. 3 is a partial structure schematic view of a battery pack according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a partial structure of an acquisition assembly according to an embodiment of the utility model;
FIG. 5 is an exploded view of an acquisition assembly according to an embodiment of the present utility model;
fig. 6 is a cross-sectional view of the collection tab of the collection bar in contact with the bus bar.
Reference numerals illustrate:
1-shell, 2-battery pack, 21-battery module, 211-battery cell, 3-collection assembly, 31-collection strip, 311-body part, 312-collection ear, 313-insulating film layer, 314-conductive circuit layer, 32-output board, 321-first surface, 322-second surface, 4-insulating bracket and 5-busbar.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
A battery pack according to an embodiment of the present utility model is described below with reference to fig. 1 to 6.
As shown in fig. 1 to 6, the battery pack includes: a housing 1, a battery pack 2 and a collection assembly 3.
For different battery packs, different module arrangement schemes are adopted, wherein part of battery packs are suitable for dividing the space defined in the shell 1 into at least two installation spaces for accommodating the battery packs 2 through a spacing structure, specifically, the shell 1 can be internally provided with a first installation space and a second installation space which are arranged along a first direction, the two groups of battery packs 2 are respectively arranged in the first installation space and the second installation space, an insulation space which extends along a second direction is arranged between the first installation space and the second installation space, insulation isolation between the battery packs 2 in the first installation space and the battery packs 2 in the second installation space is realized, potential difference breakdown at two ends is avoided, circuit short circuit is caused, and the safety of the battery packs is influenced.
In the prior art, the scheme of sampling to the group battery in the battery package adopts more and gathers the structure in group battery both sides or in the big face of top individual layer, when arranging the structure in group battery both sides with gathering, the hoist and mount process is got to the clamp of group battery and is caused the destruction to gathering the structure easily, receives the influence to the transportation of sampling tray assembly, and whether with gathering the structure individual layer large tracts of land arrangement in the top or both sides of group battery, all can influence the installation welding of busbar, after the installation of busbar need be arranged in to the installation of gathering the structure, reduced production efficiency, improved manufacturing cost.
Therefore, the utility model designs the battery pack which is provided with the collecting part of the collecting component 3 in the insulation space between the first installation space and the second installation space for arranging the battery pack 2, and therefore, the collecting component 3 not only can conveniently collect data of the battery pack 2 on two sides, but also can collect information of the battery pack 2 at the position closest to the battery pack 2, the collecting component 3 and the battery pack 2 can be directly connected, the structure for connecting the collecting component 3 and the battery pack 2 is not required, the production process is simplified, the production cost is reduced, the arrangement of the collecting component 3 is prevented from influencing the arrangement of the bus bars 5 on the battery pack 2, the damage to the collecting component 3 caused by the clamping and lifting process of the battery pack 2 is avoided, and the battery pack 2 is more convenient to transport.
Specifically, the collection component 3 is configured to collect information of each battery pack 2, and at least a portion of the collection component 3 extends along the second direction and is disposed in the insulation space, so that the collection component 3 is disposed in the insulation space between the battery packs 2 and 2 in the battery pack.
That is, the insulating space between the first installation space and the second installation space insulates the first installation space from the second installation space, the insulating space is provided with a spacing structure made of insulating materials to realize the insulating isolation of the battery pack 2 in the first installation space and the battery pack 2 in the second installation space, the insulating space is simultaneously provided with the collecting component 3, the collecting component 3 can be arranged at the top of the spacing structure between the first installation space and the second installation space for realizing the insulating isolation between the first installation space and the second installation space, so that the information of the battery pack 2 is collected by utilizing the partial space, and the performance and the production cost of the battery pack are influenced by the arrangement of the collecting component 3 while the direct connection of the collecting component 3 and the battery pack 2 are ensured.
According to the battery pack provided by the embodiment of the utility model, the collection assemblies 3 can be arranged by utilizing the insulation space between the battery packs 2, the arrangement of the collection assemblies 3 does not additionally occupy other spaces in the battery pack, the whole volume of the battery pack is not influenced, the performance of the battery pack is better, and the production cost is lower.
As shown in fig. 1, the battery pack 2 is provided with an insulating bracket 4 for installing a busbar 5, the collecting assembly 3 is arranged above the insulating bracket 4, and the height of the collecting assembly is not more than the height of the highest point of the battery pack 2, so that the collecting assembly 3 is arranged by utilizing the gap between the insulating bracket 4 and the highest point of the battery pack 2, the whole volume of a battery pack is prevented from being influenced by the arrangement of the collecting assembly 3, and insulation isolation between the collecting assembly 3 and a battery is realized by utilizing the insulating bracket 4.
Referring to fig. 1, 4 and 5, the collecting assembly 3 includes at least one collecting bar 31, that is, the collecting bar 31 may be one or more, further, the collecting bar 31 includes a body portion 311 and a plurality of collecting ears 312, the body portion 311 is used for transmission of information, the plurality of collecting ears 312 are arranged at intervals on the body portion 311, the collecting ears 312 are electrically connected with the battery pack 2 to collect information, and the information collected by the collecting ears 312 is transmitted to an information processing portion in the battery pack through the body portion 311.
The collecting strip 31 is an integral piece, in some embodiments, the cutting die mechanical cutting process can be used for processing the collecting strip, the collecting lug 312 and the body portion 311 are integrally processed and formed, the procedure of connecting the collecting lug 312 and the body portion 311 in the production process is reduced, and the processing cost is reduced.
As shown in fig. 1 to 3, each battery pack 2 includes a plurality of battery modules 21 connected in series, and the collection assembly 3 is used for collecting information of each battery module 21. The collecting lugs 312 of the collecting strips 31 are correspondingly connected at the busbar 5 at the two sides of the battery modules 21 in series, and the collecting lugs 312 can respectively acquire voltage information at the two sides of the battery modules 21.
The battery modules 21 may be sequentially arranged in the second direction, so that the collecting tabs 312 extending from the collecting bar 31 extending in the second direction can be conveniently connected with the bus bars 5 on two sides of the battery modules 21.
Each group of battery modules 21 comprises one or more parallel battery cells 211, in some embodiments, the battery pack 2 is arranged in the installation space, wherein each battery cell in the battery pack 2 is sequentially connected in parallel in the first direction, the battery modules 21 formed after being connected in parallel are sequentially connected in series in the second direction, and then are connected in series with the battery modules 21 connected in series in the adjacent installation space, at the moment, the potential difference of two sides of the insulation space is larger, and the arrangement of the insulation space can avoid the potential difference from influencing the safety of the battery pack too much. Further, in some embodiments, referring to fig. 1-3, the battery cell 211 is a cylindrical battery.
As shown in fig. 4 and 5, the collection strips 31 are multiple, and the collection strips 31 can collect the information of different battery packs 2 respectively, or collect the information of different positions on the same battery pack 2 respectively, and through adopting the collection strips 31 to collect the information of the battery packs 2 respectively, the width of the collection strips 31 can be reduced, the collection strips 31 are prevented from being too wide to influence the arrangement of other structures in the battery pack 2, the whole volume of the battery pack is not influenced by the arrangement of the collection strips 31, the large area at the top of the battery pack 2 is not required to be occupied, and the welding of the bus bar 5 is not influenced.
The collection strips 31 are stacked, so that the collection strips 31 can be concentrated in the insulating space with narrow width, the collection lugs 312 of the adjacent collection strips 31 are arranged in a staggered manner in the length direction of the body part 311, so that the collection strips 31 can be respectively connected with the bus bars 5 on two sides of different battery modules 21 in the battery pack 2 to acquire information of different battery modules 21, or respectively acquire information of different battery packs 2, and structural redundancy is avoided.
Referring to fig. 1, 4 and 5, the collecting assembly 3 further includes an output board 32, and the body portions 311 of the plurality of collecting bars 31 are electrically connected to the output board 32, respectively, so as to collect information collected by the collecting bars 31 to the output board 32, so as to achieve collection and transmission of the collected information. In the second orientation, the output plate 32 is located on one side of the battery pack 2, and in some embodiments, the output plate 32 is disposed between the positive and negative output poles of the battery pack, so that the output plate 32 is disposed using the space between the positive and negative output poles, avoiding that the disposition of the output plate 32 affects the overall volume of the battery pack.
Further, the output plate 32 has a first surface 321 and a second surface 322 that are disposed opposite to each other, and in some embodiments, the first surface 321 of the output plate 32 faces one side of the battery module 21 and the second surface 322 faces the outside, wherein a portion of the body portion 311 is electrically connected to the first surface 321 and another portion of the body portion 311 is electrically connected to the second surface 322, whereby both surfaces of the output plate 32 can be used for welding with the body portion 311, thereby reducing the length of the bending portion of the body portion 311 between the welding point for connecting the output plate 32 and the portion disposed in the insulation space, reducing the material required for processing and manufacturing the collection bar 31, improving the substrate layout rate, reducing the production cost, and also avoiding the installation of the collection bar 31 occupying a larger space in the battery pack.
The output board 32 may be a slave board of a battery management system or may also be a sampling interface adapter board, when the slave board is a slave board of the battery management system, the output board 32 is only required to be externally connected by a small connector with 2-4 pins, the output board 32 can be designed smaller, when the slave board is a sampling interface adapter board, the connectors with corresponding collection loop pins are required to be matched, and the size of the output board 32 is adjusted according to the size of the connectors.
Further, each of the collecting tabs 312 is welded to the bus bar 5 of the corresponding battery module 21 to ensure the stability of the collecting process. As shown in fig. 6, the collecting bar 31 includes an insulating film 313 and a conductive circuit layer 314 sandwiched between the two insulating film 313, and a portion of the conductive circuit layer 314 is exposed to one of the insulating films to contact with the bus bar 5, so that the conductive circuit layer 314 can be directly soldered with the bus bar 5. In some embodiments, ultrasonic welding is used between the pickup lug 312 and the busbar 5.
In some embodiments, the conductive trace layer 314 may be a copper foil material or an aluminum foil material.
In some embodiments, the width of the space available for disposing the collection bar at the upper portion of the insulating space may be 15mm to 35mm to avoid the disposition of the insulating space from affecting the volume of the battery pack as a whole while securing the insulating distance between the first mounting space and the second mounting space.
In some embodiments, the insulating support 4 has a gap of 20mm height from the inner wall of the housing 1, which gap can be used for the arrangement of the sampling assembly.
According to another aspect of the present utility model, a power plant includes the battery pack described in the above embodiment. Other constructions of power plants are well known to those skilled in the art and will not be described in detail herein.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A battery pack, comprising:
a housing having a first installation space and a second installation space arranged in a first direction therein, an insulation space extending in a second direction being provided between the first installation space and the second installation space;
the two groups of battery packs are respectively arranged in the first installation space and the second installation space;
the collection assembly, at least a portion of collection assembly extends along the second direction and locates insulating space, collection assembly is used for gathering every group the information of group battery.
2. The battery pack according to claim 1, wherein the battery pack is provided with an insulating bracket for mounting the bus bar, and the collecting assembly is provided above the insulating bracket, and has a height not exceeding a height of a highest point of the battery pack.
3. The battery pack of claim 1, wherein the collection assembly comprises at least one collection strip, the collection strip comprises a body portion and a plurality of collection ears, the plurality of collection ears are spaced apart from the body portion, the collection ears are electrically connected with the battery pack to collect information, and the collection strip is an integral piece.
4. The battery pack according to claim 3, wherein each of the battery packs comprises a plurality of battery modules connected in series, each of the battery modules comprises a plurality of battery cells connected in parallel, and the acquisition assembly is used for acquiring information of each of the battery modules.
5. The battery pack according to claim 4, wherein the plurality of collecting strips are stacked, and the collecting lugs of adjacent collecting strips are arranged in a staggered manner in the length direction of the body portion.
6. The battery pack of claim 5, wherein the collection assembly further comprises an output plate, the output plate being located on one side of the battery pack in the second direction, the body portions of the plurality of collection bars being electrically connected to the output plate, respectively.
7. The battery pack of claim 6, wherein the output plate has oppositely disposed first and second surfaces, wherein a portion of the body portion is electrically connected to the first surface and another portion of the body portion is electrically connected to the second surface.
8. The battery pack of claim 4, wherein each of the collection tabs is welded to a corresponding bus bar of the battery module.
9. The battery pack according to claim 8, wherein the collection bar includes an insulating film layer and a conductive wiring layer interposed between two of the insulating film layers, a portion of the conductive wiring layer being exposed to one of the insulating films to be in contact with the bus bar.
10. A power plant comprising a battery pack according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705179.1U CN220209237U (en) | 2023-06-30 | 2023-06-30 | Battery pack and power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705179.1U CN220209237U (en) | 2023-06-30 | 2023-06-30 | Battery pack and power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209237U true CN220209237U (en) | 2023-12-19 |
Family
ID=89142530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321705179.1U Active CN220209237U (en) | 2023-06-30 | 2023-06-30 | Battery pack and power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209237U (en) |
-
2023
- 2023-06-30 CN CN202321705179.1U patent/CN220209237U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |