CN218039677U - Battery pack with sampling device - Google Patents
Battery pack with sampling device Download PDFInfo
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- CN218039677U CN218039677U CN202221759894.9U CN202221759894U CN218039677U CN 218039677 U CN218039677 U CN 218039677U CN 202221759894 U CN202221759894 U CN 202221759894U CN 218039677 U CN218039677 U CN 218039677U
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- battery pack
- circuit board
- sampling device
- battery
- electric core
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- 238000005070 sampling Methods 0.000 title claims abstract description 97
- 239000007788 liquid Substances 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- -1 Polyethylene terephthalate Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of the battery, a battery package with sampling device is disclosed. The battery pack comprises a battery core, a bus bar and a sampling device. The busbar sets up at the top of electric core and electrically connects a plurality of electric cores and forms the electric core group. The sampling device comprises a sampling circuit board, and the sampling circuit board is arranged on the first side surface of the electric core group and is electrically connected with the bus bar. The battery pack has a good heat dissipation effect, so that the phenomenon that the battery core is out of control due to the fact that the internal temperature of the battery pack is too high is effectively avoided.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery package with sampling device.
Background
In the existing power battery, temperature and voltage signals of a battery core inside a battery pack need to be collected, and then the battery management system monitors in real time, manages and adjusts the operation state of the battery pack. The temperature and the voltage signal of electric core are gathered to the pencil that traditional power battery mostly adopts, but the sampling pencil is walked the line usually complicacy, the assembly difficulty, and production efficiency is low to the pencil can occupy the inside a large amount of spaces of battery package, is unfavorable for the optimization utilization in battery package space and the improvement of efficiency in groups. Therefore, the application of the sampling circuit board is increasingly widespread.
The sampling circuit board can reduce the utilization of the internal space of the battery pack, simplify the circuit and improve the grouping efficiency. However, in the prior art, the sampling circuit board is usually arranged at the top of the battery cell, and because the temperature at the top of the battery cell is higher, the heat dissipation capability of the battery cell is influenced by the arrangement of the sampling circuit board, so that the heat dissipation effect of the battery is poor, the battery cell is easy to generate the risk of thermal runaway, and then the battery pack is exploded or catches fire.
Therefore, it is desirable to provide a battery pack with a sampling device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery package with sampling device, this battery package have good radiating effect to effectively avoid the battery package inside high temperature to cause the phenomenon of electric core thermal runaway to take place.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery pack with a sampling device, comprising a plurality of cells, the battery pack further comprising:
the bus bar is arranged at the top of the battery cells and electrically connects the battery cells to form a battery cell group;
and the sampling device comprises a sampling circuit board, the sampling circuit board is arranged on the first side face of the electric core group and is electrically connected with the bus bar.
Optionally, the electric core group is provided with a plurality of, every electric core group all is connected with the sampling circuit board, and is adjacent to establish ties through the series connection busbar between the electric core group.
Optionally, the sampling device further comprises a connector electrically connecting the sampling circuit board and the battery management system.
Optionally, the connector is arranged on the second side face of the electric core group.
Optionally, the connector and the sampling circuit board are connected by a terminal pressing line.
Optionally, the battery pack further includes a support, the support includes an end plate, a communication hole is provided on the end plate, the busbar is provided on the end plate, and is electrically connected to the electric core through the communication hole, and the sampling device is fixedly connected to the support.
Optionally, the bracket further comprises a first side plate, the first side plate is connected to the end plate and perpendicular to the end plate, and the sampling circuit board is attached to the first side plate.
Optionally, the sampling device further includes a detection element disposed on the bracket and electrically connected to the sampling circuit board.
Optionally, a fixing portion is connected to the first side plate, and the detecting element is fixed to the fixing portion.
Optionally, a liquid cooling plate is disposed on the end plate.
Optionally, a heat conducting glue is arranged between the end plate and the liquid cooling plate.
Optionally, the busbar has a first connecting portion, the first connecting portion is connected with a nickel plate, and the sampling circuit board has a second connecting portion, and the second connecting portion is connected with the nickel plate through a terminal pressing line.
Has the beneficial effects that:
the utility model provides a battery pack with sampling device, wherein, the setting of busbar can be connected a plurality of electricity core electricity and form the electric core group, carries out the electricity with sampling circuit board and busbar again and connects, consequently, sampling device can gather signals such as the temperature of electric core in this electric core group, pressure. Through setting up the sampling circuit board in the side of electric core group, can avoid the sampling circuit board to influence the heat dissipation of electric core top and busbar to effectively avoid the inside high temperature of battery package to cause the phenomenon emergence of electric core thermal runaway. In addition, because the sampling circuit board is arranged on the side surface of the electric core group, the space occupied in the height direction of the battery pack is reduced.
Drawings
Fig. 1 is a first structural schematic diagram of a partial structure of a battery pack provided by the present invention;
fig. 2 is an assembly schematic diagram of a bus bar and a sampling circuit board provided by the present invention;
FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 1;
fig. 4 is a schematic structural diagram ii of a partial structure of a battery pack provided by the present invention.
In the figure:
10. an electric core; 100. the electric core group; 200. a support; 210. end plates, 211, ribs; 212. passing through a glue hole; 220. a first side plate; 221. a fixed part; 222. a support portion; 230. a second side plate; 300. sampling the circuit board; 310. a second connecting portion; 400. a bus bar; 410. a first connection portion; 420. a positive electrode connecting part; 430. a negative electrode connecting part; 440. a substrate; 500. a connector; 600. a serial bus; 700. a positive output bus bar; 800. a negative output bus bar; 900. a liquid-cooled plate; 1000. a nickel sheet.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1, the present embodiment provides a battery pack with a sampling device, and the battery pack includes a battery cell 10, a bus bar 400, and a sampling device. The bus bar 400 is disposed on top of the battery cells 10 and electrically connects a plurality of battery cells 10 to form a battery cell group. The sampling device comprises a sampling circuit board 300, wherein the sampling circuit board 300 is arranged on the first side surface of the electric core group and is electrically connected with the bus bar 400.
Above-mentioned battery pack with sampling device, wherein, the setting of busbar 400 can be connected a plurality of electricity core 10 electricity and form the electric core group, again with sampling circuit board 300 and busbar 400 carry out the electricity and connect, consequently, signals such as the temperature of electricity core 10, pressure in this electric core group can be gathered to the sampling device. Through setting up sampling circuit board 300 in the side of electric core group, can avoid sampling circuit board 300 to influence the heat dissipation of electric core 10 top and busbar 400 to effectively avoid the battery package internal temperature too high to cause the phenomenon emergence of electric core 10 thermal runaway. In addition, since the sampling circuit board 300 is disposed at the side of the electric core pack, the space occupied in the height direction of the battery pack is reduced.
Alternatively, the sampling circuit board 300 may be a flexible flat cable. In order to save space and reduce quality and cost, the battery pack is often electrically connected to each battery cell 10 by using a flexible flat cable and sampling is performed. The flexible flat cable is a flexible electronic component, also called as FFC, and is a novel data cable formed by laminating a PET (Polyethylene terephthalate) insulating material and an extremely thin tin-plated flat copper wire through a high-tech automation equipment production line. The novel wire connector has the advantages of small volume, high density, strong function, low process difficulty and stable quality, and the quantity and the distance of wires can be freely selected to meet various connection requirements.
Further, the electric core groups are provided with a plurality of electric core groups, each electric core group is connected with a sampling circuit board 300, and adjacent electric core groups are connected in series through a series busbar 600. The positive electrode of the plurality of electric core groups connected in series is provided with a positive output bus bar 700, and the negative electrode thereof is provided with a negative output bus bar 800. The bus bar 400 is a thin copper bar with the thickness of 0.3mm, and the serial bus bar 600, the positive output bus bar 700 and the negative output bus bar 800 are made of variable cross-section copper bars and are formed by welding copper sheets with the thickness of 0.3mm and 2mm, so that the overcurrent requirement can be met, and the space can be saved.
In the battery pack of the present embodiment, each of the cell packs includes a plurality of cells 10 arranged in a rectangular parallelepiped, and the first side surface refers to a side surface in a length direction of the cell pack. The number of the electric core groups is three, and therefore, the number of the sampling circuit boards 300 is three, wherein two sampling circuit boards 300 are arranged at the outer side of the large electric core group, and one sampling circuit board 300 is clamped between two adjacent electric core groups. The three electric core groups are connected in series through two serial bus bars 600 to form a large electric core group. In other embodiments, the number of the electric core groups can be two, four or five, and the like, and the electric core groups can be arranged according to the use requirement.
The sampling device also includes a connector 500, the connector 500 electrically connecting the sampling circuit board 300 and the battery management system. Alternatively, the connector 500 may be electrically connected to the sampling circuit board 300 by means of a plug, a laser welding, or a terminal crimping. In this embodiment, the connector 500 is disposed on the second side of the electric core set, i.e. the side of the electric core set in the width direction. In other embodiments, the connector 500 and the sampling circuit board 300 may be disposed on the same plane, and the specific layout may be set according to the structures of the connector 500 and the sampling circuit board 300.
Connection structure of the bus bar 400 and the sampling circuit board 300 referring to fig. 2, specifically, the bus bar 400 has a first connection portion 410, the first connection portion 410 is connected with a nickel plate 1000, the sampling circuit board 300 has a second connection portion 310, and the second connection portion 310 is connected with the nickel plate 1000 through a terminal pressing line. The terminal line ball is the electrically conductive connected mode who uses commonly, and the model of terminal is selected according to the user demand can. By adopting the connection mode, the connection is convenient and reliable. Alternatively, the connector 500 and the sampling circuit board 300 are connected by a terminal press line. The terminal pressing line is a common electrical connection method in circuit connection, and is not described herein again. Of course, in other embodiments, the connection between the bus bar 400 and the sampling circuit board 300 and the connection between the connector 500 and the sampling circuit board 300 may also be performed by other methods such as laser welding.
Referring to fig. 3, the battery pack further includes a bracket 200, and the sampling device is fixedly connected to the bracket 200. The sampling circuit board 300 can be fixed to the holder 200 by a coupling member such as a screw, thereby preventing the sampling circuit board 300 from being displaced. The support 200 includes an end plate 210, a communication hole is provided on the end plate 210, and the bus bar 400 is provided on the end plate 210 and electrically connected to the battery cell 10 through the communication hole. Specifically. Each of the bus bars 400 includes a plurality of bus bar units connected by a base material 440, and a first connection portion 410 is located at an end of the bus bar 400. Each of the bus bar cells includes a positive electrode connection portion 420 and a negative electrode connection portion 430 connected to each other, i.e., each of the bus bar cells is capable of connecting two battery cells 10 in series. The communication holes include a positive communication hole and a negative communication hole, the positive connection portion 420 is electrically connected to the positive electrode of the battery cell 10 through the positive communication hole, and the negative connection portion 430 is electrically connected to the negative electrode of the battery cell 10 through the negative communication hole. By adopting the structure, the electrical connection between the busbar 400 and the battery cell 10 is realized, and the short circuit of the battery cell 10 caused by the displacement of the busbar 400 or the battery cell 10 can be effectively avoided. Optionally, a plurality of busbar monomers are connected in a wave shape through the base material 440, so that the battery cells 10 below the busbar 400 are arranged in a staggered manner, the purpose of fully utilizing the internal space of the battery pack is achieved, and the battery pack is ensured to have higher energy density.
The bracket 200 further comprises a first side plate 220, the first side plate 220 is connected to the end plate 210 and perpendicular to the end plate 210, and the sampling circuit board 300 is attached to the first side plate 220. In the present embodiment, the outer contour of the end plate 210 of the bracket 200 is rectangular, and has long sides and short sides, and the first side plate 220 in the present embodiment refers to a plate-shaped structure connected to the long sides of the end plate 210. Optionally, the first side plate 220 and the end plate 210 are vertically disposed and extend toward the bottom of the electric core pack. The first side plate 220 is arranged to limit the sampling circuit board 300 and ensure the position of the sampling circuit board on the side of the cell pack. Optionally, a supporting portion 222 may be disposed at a lower edge of the first side plate 220 to limit the sampling circuit board 300. In this embodiment, the supporting portion 222 is a rectangular sheet-shaped structure extending toward the bottom of the battery cell 10, and the outer side of the supporting portion is flush with the outer side of the first side plate 220. In other embodiments, the shape of the support portion 222 may be set as desired. Alternatively, the connector 500 may be fixed to a second side plate 230 of the bracket 200, and the second side plate 230 is a plate-shaped structure connected to a short side of the end plate 210. The connector 500 may be fixed to the second side plate 230 by means of bonding, clipping, or the like.
Referring to fig. 3, the battery pack further includes a sensing element disposed on the holder 200, the sensing element being electrically connected to the sampling circuit board 300. The detection element may be a temperature sensor or a pressure sensor or other components for sampling the battery cell 10. The side of the electric core group is provided with a fixing part 221, the fixing part 221 is connected to the first side plate 220, and the detecting element is fixed on the fixing part 221. The fixing portions 221 extend in the bottom direction of the battery cell 10, and a plurality of fixing portions 221 are provided, and the plurality of fixing portions 221 are provided at intervals along the long sides of the side plates. Detecting element in this embodiment is water droplet hair style temperature sensor, adopts terminal crimping mode and sampling circuit board 300 to connect, and traditional welded connection is compared to this kind of connected mode, and it is higher to have the reliability, and technology is simpler, the better advantage of economic nature. The requirement can reflect the highest regional electric core temperature of temperature in whole electric core group to electric core temperature acquisition, and is high to the design requirement, and through the emulation result, the high temperature region all is located electric core 10 from bottom up 1/3 position department, and fixed part 221 is used for fixing water droplet hair style temperature sensor in suitable position, can guarantee the precision of gathering the position, can also protect water droplet hair style temperature sensor simultaneously.
Referring to fig. 4, the end plate 210 is provided with a liquid cooling plate 900, the liquid cooling plate 900 is provided with a liquid cooling channel, the end face of the liquid cooling plate 900 is provided with a liquid inlet and a liquid outlet, and cooling liquid flows out from the liquid outlet after passing through the liquid cooling channel by introducing the cooling liquid into the liquid inlet, so that the effect of cooling the battery pack is achieved.
Further, a heat conductive adhesive (not shown) is disposed between the end plate 210 and the liquid cooling plate 900. Heat-conducting glue lays on the surface at support 200 and busbar 400, on the one hand, heat-conducting glue can bond support 200 and busbar 400, guarantee that both positions do not take place relative movement, increased the rigidity and the stability of structure, on the other hand, the battery is at the charge-discharge in-process, busbar 400 local heating is serious, heat-conducting glue set up can be with busbar 400 heat transfer to the lower position of temperature, avoid the inside local high temperature of battery, cause potential safety hazards such as electric core 10 thermal runaway. Optionally, the bracket 200 is provided with a glue passing hole 212, and the heat conducting glue can contact with the end face of the battery cell 10 through the glue passing hole 212. The heat-conducting glue can be filled in the glue passing hole 212 and directly contacts with the battery cell 10, so that the heat transfer effect of the heat-conducting glue can be fully exerted, the heat of the battery cell 10 can be rapidly dispersed, and the phenomenon of thermal runaway of the battery cell 10 can be prevented. Set up sampling circuit board 300 in the side of electric core group to heat-conducting glue can with electric core 10 top direct contact, the heat of electric core 10 and busbar 400 directly transmits to liquid cooling board 900 through heat-conducting glue, and need not through sampling circuit board 300, consequently, this battery package has good radiating effect, can effectively reduce the thermal runaway risk that causes by electric core 10 high temperature.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (12)
1. A battery pack with a sampling device, comprising a plurality of cells (10), characterized in that it further comprises:
the bus bar (400) is arranged at the top of the battery cells (10), and electrically connects a plurality of battery cells (10) to form a battery core group;
the sampling device comprises a sampling circuit board (300), wherein the sampling circuit board (300) is arranged on the first side face of the electric core group and is electrically connected with the bus bar (400).
2. The battery pack with the sampling device according to claim 1, wherein the electric core groups are provided in plurality, the sampling circuit board (300) is connected to each electric core group, and the adjacent electric core groups are connected in series through a series busbar (600).
3. The battery pack with sampling device of claim 1, further comprising a connector (500), the connector (500) electrically connecting the sampling circuit board (300) and a battery management system.
4. The battery pack with sampling device of claim 3, wherein the connector (500) is disposed at the second side of the electric core set.
5. The battery pack with a sampling device according to claim 3, wherein the connector (500) is connected with the sampling circuit board (300) through a terminal press line.
6. The battery pack with the sampling device according to claim 1, further comprising a bracket (200), wherein the bracket (200) comprises an end plate (210), a communication hole is formed on the end plate (210), the busbar (400) is arranged on the end plate (210) and electrically connected with the battery cell (10) through the communication hole, and the sampling device is fixedly connected with the bracket (200).
7. The battery pack with a sampling device of claim 6, wherein the bracket (200) further comprises a first side plate (220), the first side plate (220) is connected to the end plate (210) and is perpendicular to the end plate (210), and the sampling circuit board (300) is attached to the first side plate (220).
8. The battery pack with the sampling device according to claim 7, further comprising a detection element disposed on the bracket (200) and electrically connected to the sampling circuit board (300).
9. The battery pack with the sampling device according to claim 8, wherein a fixing portion (221) is connected to the first side plate (220), and the detection element is fixed to the fixing portion (221).
10. The battery pack with a sampling device according to claim 6, wherein the end plate (210) is provided with a liquid cooling plate (900).
11. The battery pack with the sampling device as recited in claim 10, wherein a thermally conductive glue is disposed between the end plate (210) and the liquid cooling plate (900).
12. The battery pack with the sampling device according to any one of claims 1 to 11, wherein the bus bar (400) has a first connection portion (410), the first connection portion (410) is connected with a nickel plate (1000), and the sampling circuit board (300) has a second connection portion (310), and the second connection portion (310) is connected with the nickel plate (1000) through a terminal crimping line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221759894.9U CN218039677U (en) | 2022-07-08 | 2022-07-08 | Battery pack with sampling device |
| PCT/CN2023/106614 WO2024008194A1 (en) | 2022-07-08 | 2023-07-10 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221759894.9U CN218039677U (en) | 2022-07-08 | 2022-07-08 | Battery pack with sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN218039677U true CN218039677U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221759894.9U Active CN218039677U (en) | 2022-07-08 | 2022-07-08 | Battery pack with sampling device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218039677U (en) |
| WO (1) | WO2024008194A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008194A1 (en) * | 2022-07-08 | 2024-01-11 | 湖北亿纬动力有限公司 | Battery pack |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206312964U (en) * | 2016-11-16 | 2017-07-07 | 深圳市沃特玛电池有限公司 | A kind of battery modules |
| CN211740441U (en) * | 2020-04-30 | 2020-10-23 | 中航锂电（洛阳）有限公司 | Battery temperature acquisition device and battery module with same |
| CN112259900A (en) * | 2020-10-27 | 2021-01-22 | 远景动力技术(江苏)有限公司 | Battery module, battery pack and battery thermal runaway detection method thereof |
| CN215644871U (en) * | 2021-08-20 | 2022-01-25 | 台湾立讯精密有限公司 | Battery module |
| CN216161891U (en) * | 2021-09-13 | 2022-04-01 | 恒大新能源技术(深圳)有限公司 | Battery bracket component, battery module and battery package |
| CN215911500U (en) * | 2021-09-28 | 2022-02-25 | 蜂巢能源科技有限公司 | Battery module and battery pack |
| CN216793932U (en) * | 2022-02-25 | 2022-06-21 | 重庆金康动力新能源有限公司 | Busbar subassembly and battery module |
| CN216903249U (en) * | 2022-03-15 | 2022-07-05 | 华鼎国联动力电池有限公司 | Power battery module with low pressure collection system |
| CN115172996A (en) * | 2022-07-08 | 2022-10-11 | 湖北亿纬动力有限公司 | Battery pack with CCS assembly |
| CN218039677U (en) * | 2022-07-08 | 2022-12-13 | 湖北亿纬动力有限公司 | Battery pack with sampling device |
-
2022
- 2022-07-08 CN CN202221759894.9U patent/CN218039677U/en active Active
-
2023
- 2023-07-10 WO PCT/CN2023/106614 patent/WO2024008194A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008194A1 (en) * | 2022-07-08 | 2024-01-11 | 湖北亿纬动力有限公司 | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024008194A1 (en) | 2024-01-11 |
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