CN114976499A - Electricity core coupling assembling and battery module - Google Patents
Electricity core coupling assembling and battery module Download PDFInfo
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- CN114976499A CN114976499A CN202210586742.1A CN202210586742A CN114976499A CN 114976499 A CN114976499 A CN 114976499A CN 202210586742 A CN202210586742 A CN 202210586742A CN 114976499 A CN114976499 A CN 114976499A
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- 230000008878 coupling Effects 0.000 title claims description 10
- 238000010168 coupling process Methods 0.000 title claims description 10
- 238000005859 coupling reaction Methods 0.000 title claims description 10
- 230000005611 electricity Effects 0.000 title description 4
- 239000000615 nonconductor Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- 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
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
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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
- 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
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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
- 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
- H01M50/514—Methods for interconnecting adjacent batteries or cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a cell connecting assembly and a battery module, belonging to the technical field of battery modules, wherein the cell connecting assembly comprises a first holding structure, a second holding structure and a connecting structure, and the first holding structure and the second holding structure are electrically connected through the connecting structure; the first holding structure and the second holding structure respectively comprise a fixed part and a movable part; the first end and the connection structure of fixed part are connected, and the second end of fixed part and the first end swing joint of movable part, the second end of movable part can be when embracing the state tightly, with the first end direct connection or the indirect connection of fixed part, and form annular space when the second end of movable part is connected with the first end of fixed part to hold electric core utmost point post tightly. The embodiment of the disclosure can reduce the maintenance efficiency and cost of the battery cell while satisfying the better conductive connection effect between the battery cells.
Description
Technical Field
The utility model belongs to the technical field of the battery module, concretely relates to electricity core coupling assembling and battery module.
Background
With the rapid development of new energy industry, people have higher and higher requirements on battery systems, such as higher battery energy density (i.e. battery module) and higher safety of the battery module. The battery module is passed through the series-parallel connection by a plurality of electric cores and constitutes, realizes the series-parallel connection through electric connector between the electric core, and present electric connector is mostly simple sheetmetal, through the sheetmetal welding between two electric core utmost point posts. However, the overcurrent area formed by the electrical connection between the simple metal sheet and the battery cell is small, and the charging and discharging efficiency of the battery module is influenced. In addition, the mode of utilizing the sheetmetal welded connection two electric cores is not firm, causes the phenomenon of desoldering easily to cost of maintenance is higher, and probably causes the harm to other electric cores in the maintenance process, can't carry out the maintenance of single electric core even, can only replace whole battery module, has further improved battery cost of maintenance.
Disclosure of Invention
This disclosure aims at solving one of the technical problem that exists among the prior art at least, provides a electricity core coupling assembling and battery module, when satisfying better electrically conductive connection effect between the electric core, can reduce electric core maintenance efficiency and cost.
In a first aspect, a technical solution adopted to solve the technical problem of the present disclosure is an electrical core connection assembly, which includes a first clasping structure, a second clasping structure, and a connection structure, wherein the first clasping structure and the second clasping structure are electrically connected through the connection structure; the first holding structure and the second holding structure respectively comprise a fixed part and a movable part;
the first end of fixed part with connection structure connects, the second end of fixed part with the first end swing joint of movable part, the second end of movable part can when holding the state tightly, with the first end direct connection or the indirect connection of fixed part, just the second end of movable part with form annular space when the first end of fixed part is connected to hold electric core utmost point post tightly.
In some examples, the movable component includes a face connection portion and at least one branch portion; the first end of the surface connecting part is movably connected with the second end of the fixed part; the second end of the surface connecting part is fixedly connected with the first end of each branch part; the second end of each branch portion can be in when the state of hugging closely, with the first end direct connection of fixed part or indirect connection, and each the second end of branch portion with the annular space that forms when the first end of fixed part is connected, in order to hug closely electric core utmost point post.
In some examples, the thickness of the branch is between 0.5mm and 1.5 mm.
In some examples, the first and second clasping structures each further comprise a first connecting member; the second end of the fixed part is movably connected with the first end of the movable part through the first connecting part.
In some examples, the second end of the movable component includes a first slot structure and the first end of the fixed component includes a second slot structure that mates with the first slot structure; when the clamping device is in a tightly-holding state, the first clamping groove structure is directly connected with the second clamping groove structure; or,
the first holding structure further comprises a second connecting part; the second end of the movable component can be indirectly connected with the first end of the fixed component through the second connecting component in a hugging state.
In some examples, the second connection member includes a pin.
In some examples, the connecting structure is a unitary structure with the stationary component.
In some examples, a non-conductive component is also included; the non-conductor component comprises a through hole;
the connecting structure is connected with the fixing part through one through hole.
In a second aspect, an embodiment of the present disclosure further provides a battery module, which includes at least two battery cells and the battery cell connection assembly of any one of the first aspects; and two adjacent battery cores form electric conduction through the battery core connecting component.
In some examples, the cell comprises a cell post; the battery cell pole is provided with a notch;
the battery cell connecting assembly comprises a first holding structure, a second holding structure and a connecting structure; the first holding structure and the second holding structure are electrically connected through the connecting structure; the first holding structure and the second holding structure respectively comprise a fixed part and a movable part;
the first end of fixed part with connection structure's connection, the second end of fixed part with the first end swing joint of movable part, the second end of movable part can be when holding the state tightly, through the breach, with the first end lug connection or the indirect connection of fixed part, just the second end of movable part with form annular space when the first end of fixed part is connected, in order to hold tightly electric core utmost point post.
Drawings
Fig. 1a is a top view of a cell connection assembly provided in an embodiment of the present disclosure;
fig. 1b is a front view of a cell connection assembly provided in an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a movable component provided in the embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a fixing component provided in the embodiment of the present disclosure;
FIG. 4 is a schematic view of a movable connection between a stationary component and a movable component provided by an embodiment of the present disclosure;
fig. 5 is a schematic connection diagram of a second connection part provided in the embodiment of the present disclosure;
fig. 6 is a schematic diagram of a battery module according to an embodiment of the disclosure;
fig. 7 is a schematic view of an assembly of a clasping structure and a battery cell provided in the embodiment of the present disclosure;
fig. 8 is a schematic side plate structure diagram of a battery module according to an embodiment of the disclosure;
fig. 9 is an assembly diagram of a battery cell provided in an embodiment of the present disclosure.
Detailed Description
For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In a first aspect, fig. 1a is a top view of a cell connection assembly provided in an embodiment of the present disclosure, and fig. 1b is a front view of the cell connection assembly provided in an embodiment of the present disclosure, and as shown in fig. 1a and fig. 1b, a cell connection assembly 100 includes a first clasping structure 11, a second clasping structure 12, and a connection structure 13. The first and second clasping structures 11 and 12 may be electrically connected by a connecting structure 13.
The first and second clasping structures 11 and 12 each include a fixed component 21 (including a fixed component 211 and a fixed component 212) and a movable component 22 (including a movable component 221 and a movable component 222), wherein 211 denotes the fixed component of the first clasping structure 11, 212 denotes the fixed component of the second clasping structure 12, 221 denotes the movable component of the first clasping structure 11, and 222 denotes the movable component of the second clasping structure 12.
The first end a (including a1 and a2) of the fixed part 21 is connected with the connecting structure 13, the second end B (including B1 and B2) of the fixed part 21 is movably connected with the first end C (including C1 and C2) of the movable part 22, the second end D (including D1 and D2) of the movable part 22 can be directly or indirectly connected with the first end a of the fixed part 21 in a clasping state, and an annular space is formed when the second end D of the movable part 22 is connected with the first end a of the fixed part 21 so as to clasp the cell pole 14.
For the first clasping structure 11, the first end a1 of the fixing part 211 is connected with the first end E of the connecting structure 13, the second end B1 of the fixing part 211 is movably connected with the first end C1 of the movable part 221, the second end D1 of the movable part 221 can be directly or indirectly connected with the first end a1 of the fixing part 211 when in a clasping state, and an annular space is formed when the second end D1 of the movable part 221 is connected with the first end a1 of the fixing part 211 so as to clasp the first battery post.
For the second clasping structure 12, the first end a2 of the fixed component 212 is connected with the second end F of the connecting structure 13, the second end B2 of the fixed component 212 is movably connected with the first end C2 of the movable component 222, the second end D2 of the movable component 222 can be directly or indirectly connected with the first end a2 of the fixed component 212 in the clasping state, and an annular space is formed when the second end D2 of the movable component 222 is connected with the first end a2 of the fixed component 212, so as to clasp the second cell pole.
In the embodiment of the disclosure, the annular space formed by the first clasping structure 11 and the annular space formed by the second clasping structure 12 clasp the first cell pole and the second cell pole respectively, and the connecting component 13 is utilized to realize better conductive connection between two cells, and the annular space formed by the clasping structures can improve the overcurrent area between the cell connecting component 100 and the cell pole 14, so as to improve the charging and discharging efficiency of the battery module; in addition, when the second end D of the movable component 22 is in a clasping state, the second end D is directly or indirectly connected with the first end of the fixed component, and the battery cell is easy to detach in a battery cell maintenance state, so that the battery cell can be replaced in a targeted manner, the maintenance cost is saved, the maintenance efficiency is high, and the safety is high.
The first clasping structure 11 and the second clasping structure 12 are the same, and hereinafter, the clasping structure refers to either one of the first clasping structure 11 and the second clasping structure 12.
In some examples, fig. 2 is a specific structural schematic diagram of a movable component provided in the embodiment of the present disclosure, and as shown in fig. 2, the movable component 22 includes a surface connection portion 22a and at least one branch portion 22 b; the first end C of the surface connecting part 22a is movably connected with the second end B of the fixed part 21; the second end G1 of the surface connecting portion 22a is fixedly connected to the first end G2 of each branch portion 22 b; the second end D of each branch portion 22b can be directly connected or indirectly connected with the first end a of the fixing member 21 in the clasping state, and an annular space is formed when the second end D of each branch portion 22b is connected with the first end a of the fixing member 21, so as to clasp the cell post 14.
The surface connecting portion 22a and the branch portion 22b are integrally configured. Alternatively, the surface connecting portion 22a and the branch portion 22b are welded or connected by another connecting member.
In some examples, fig. 3 is a specific structural diagram of a fixed component provided in an embodiment of the present disclosure, and as shown in fig. 3, the fixed component 21 is a surface connecting component, and the surface connecting component has the same structure as the surface connecting portion 22a in the movable component 22.
The cell post 14 includes a side surface, an upper base, and a lower base. When the clasping structure is in a clasping state, the fixing part 21 is a first part annular wall of the annular space and is tightly attached to the side surface of the battery post 14 in the length direction of the battery post 14; the surface connecting part 22a is a second part annular wall of the annular space and is tightly attached to the side surface of the cell pole 14; each branch portion 22b is a third partial annular wall of the annular space, and is tightly attached to the side surface of the cell pole 14.
In the embodiment of the present disclosure, the surface connecting portions 22a in the fixed component 21 (the surface connecting portion 22 a) and the movable component 22 are utilized, so that a higher electrical connection area between the fixed component 21 and the movable component 22 and the cell post 14 can be ensured, that is, an overcurrent (current path) area between the cells is increased.
In some examples, branch 22b may comprise a thin metal sheet, and the thickness of branch 22b may be between 0.5mm-1.5 mm.
In some examples, in order to ensure that the first and second clasping structures 11 and 12 are tightly connected with the cell pole 14, a plurality of branch portions 22b may be provided to improve the connection strength. The number of the branch portions 22b may be set according to an actual application scenario and experience, and the embodiment of the present disclosure is not particularly limited. The plurality of branch portions 22b may be arranged in an array along the longitudinal direction of the side surface of the fixed member 21 or the movable member 22, and the second ends D of the plurality of branch portions 22b are located on the same axis in the longitudinal direction of the side surface of the fixed member 21 or the movable member 22.
Further, the branch portion 22b may be made of a metal material with good toughness, so that when the second end D of the branch portion 22b is connected to the first end a of the fixing member 21, the fixing member 21 and the movable member 22 can be tightly attached to the cell post 14, and the connection strength can be further improved.
In some examples, the first and second clasping structures 11, 12 each further comprise a first connecting member 111; the second end B of the fixed member 21 is movably connected to the first end C of the movable member 22 through a first connecting member 111. The movable part 22 is detachable from the fixed part 21. The movable part 22 can rotate about the first coupling part 111. The first coupling member 111 is assembled in the longitudinal direction of the side of the fixed member 21 or the movable member 22.
The first connecting part 111 comprises a hinge or a pin. Fig. 4 is a schematic view illustrating the movable connection between the fixed part and the movable part according to the embodiment of the disclosure, and as shown in fig. 4, the first connection part 111 is a hinge and includes a first connection body 111a (see fig. 3) and a second connection body 111b (see fig. 2). The first connecting body 111a is arranged at the fixed part 21 and located at the second end B of the fixed part 21, and the first connecting body 111a is a hollow cylinder; the second connecting body 111b is disposed at the movable part 22 and located at the first end C of the movable part 22 (i.e., the first end C of the face connecting part 22 a), and the second connecting body 111 has a radius smaller than the hollow radius of the hollow cylinder. The second connection body 111B may be inserted into the first connection body 111a to movably connect the second end B of the fixed member 21 with the first end C of the movable member 22.
In some examples, the first connecting member 111 is a pin. The fixing member 21 includes a first connection hole at the second end B of the fixing member 21; the movable member 22 includes a second coupling hole and is located at a first end C of the movable member 22 (i.e., the first end C of the face connection portion 22 a). Pins are inserted through the first and second coupling holes to couple the movable part 22 and the fixed part 21, respectively.
In some examples, the second end D of the movable member 22 includes a first slot structure, and the first end a of the fixed member 21 includes a second slot structure that mates with the first slot structure; when holding the state tightly, first draw-in groove structure and second draw-in groove structure lug connection.
Specifically, the movable part 22 includes a branch portion 22b, the first slot structure may be disposed at a second end D of the branch portion 22b, and when the movable part is in a clasping state, the first slot structure of the branch portion 22b and the second slot structure of the first end a of the fixed part 21 are concentrically overlapped, and then are fixed in series by using pins to realize a clamping connection, or are hooked and locked with each other to realize a clamping connection.
In some examples, fig. 5 is a schematic connection diagram of a second connection component provided in the embodiment of the present disclosure, and as shown in fig. 5, each of the first and second fastening structures 11 and 12 further includes a second connection component 112; the second end D of the movable member 22 can be indirectly connected to the first end a of the fixed member 21 via the second connecting member 112 in the clasped state.
Specifically, the movable member 22 includes a branch portion 22b, and a first via hole 220 is provided at a second end D of the branch portion 22b in the thickness direction thereof; a second via hole 210 is provided in the first end a of the fixing member 21 in the thickness direction thereof; in the clasped state, the second connecting member 112 passes through the first and second through holes 220 and 210 to connect the movable member 22 and the fixed member 21.
The second connecting member 112 may include, but is not limited to, a pin.
In some examples, as shown in fig. 1, the connecting structure 13 is a unitary structure with the securing component (including securing component 211 and securing component 212). Specifically, the first end E of the connecting structure 13 is connected with the first end a1 of the fixing part 211 as an integral structure; the second end F of the connecting structure 13 is connected to the first end a2 of the fixing member 212 as a unitary structure.
Of course, instead of providing the connecting structure 13 and the fixing member as an integral structure, it is also possible to provide that the first end E of the connecting structure 13 is welded to the first end a1 of the fixing member 211 and the second end F of the connecting structure 13 is welded to the first end a2 of the fixing member 212.
It should be noted that the connection structure 13 may be a surface connection structure to increase an area of flow between the first cell pole and the second cell pole.
In some examples, the materials of the first clasping structure 11, the second clasping structure 12 and the connecting structure 13 are all metal conductive materials.
In some examples, as shown in fig. 1, the cell connection assembly further includes a non-conductor component 15; the non-conductive part 15 comprises a through hole; the connecting structure 13 is connected to the fixing part 21 by a through-going hole.
The non-conductive component may be a plastic part, the material of which is a non-conductive material.
It should be noted that, after the first fastening structure 11, the second fastening structure 12 and the connecting structure 13 are assembled, the non-conductor part 15 is formed by an injection molding process, and at this time, the connecting structure 13 is embedded into the non-conductor part 15 through the through hole.
In a second aspect, an embodiment of the present disclosure further provides a battery module, and fig. 6 is a schematic diagram of the battery module provided in the embodiment of the present disclosure. As shown in fig. 6, the battery module 600 includes at least two battery cells 101 and the battery connection assembly 100 of any one of the first aspects. Two adjacent battery cells 101 are electrically connected by the battery connecting assembly 100.
The embodiment of the present disclosure utilizes the battery connection assembly 100 provided in the first aspect to realize electrical conduction between two battery cores 101, that is, an annular space formed by the first clasping structure 11 and an annular space formed by the second clasping structure 12 clasp the first battery core pole and the second battery core pole respectively, and utilizes the connection component 13 to realize better electrical conduction connection between two battery cores 101. In addition, when the second end D of the movable part 22 is in a clasping state, the second end D is directly or indirectly connected with the first end a of the fixed part 21, and the battery cell is easy to detach in a battery cell maintenance state, so that the battery cell can be replaced in a targeted manner, the maintenance cost is saved, the maintenance efficiency is high, and the safety is high.
In some examples, fig. 7 is a schematic diagram of assembling the clasping structure and the battery cell provided by the embodiment of the present disclosure, and as shown in fig. 2 and 7, the movable component 22 includes a surface connection portion 22a and at least one branch portion 22 b. When the branch portion 22b includes a plurality of branches, the plurality of branches 22b are arranged in an array along the axial direction of the cell post 14. The battery cell 101 includes a cell post 14; the cell pole 14 is provided with a notch 141. The notches 141 are provided in the same number as the branches 22b and are provided correspondingly. This kind sets up breach 141 on electric core utmost point post 14, and utilizes branch portion 22b and the cooperation of breach 141 to realize that battery coupling assembling 110 and electric core utmost point post 14 hold tightly the mode, easily dismantles under electric core maintenance state, can pointed change electric core, practices thrift the maintenance cost, and maintenance efficiency is high, and the security is stronger.
As shown in fig. 1, the cell connection assembly 100 includes a first clasping structure 11, a second clasping structure 12 and a connection structure 13; the first clasping structure 11 and the second clasping structure 12 are electrically connected through a connecting structure 13; the first and second clasping structures 11 and 12 each comprise a fixed part 21 and a movable part 22.
Taking any one of the first clasping structure 11 and the second clasping structure 12 as an example, the first end a of the fixed component 21 is connected to the connecting structure 13, the second end B of the fixed component 21 is movably connected to the first end C of the movable component 22, the second end D of the movable component 22 can be directly or indirectly connected to the first end a of the fixed component 21 through the notch 72 when clasping the battery cell pole, and the second end D of the movable component 22 forms an annular space when being connected to the first end a of the fixed component 21.
Specifically, the notch 141 includes an inlet 141a and an outlet 141 b. The second end D of the movable member 22 can pass through the inlet 141a and the outlet 141b to be directly or indirectly connected with the first end a of the fixed member 21 in the clasped state.
In some examples, fig. 8 is a schematic side plate structure diagram of a battery module provided in an embodiment of the present disclosure, and as shown in fig. 8, the battery module 600 includes a side plate 61, and a fixing groove 62 is provided on the side plate 61 and used for fixing the cell connecting assembly 100.
In some examples, fig. 9 is an assembly diagram of a battery cell provided in an embodiment of the present disclosure, and as shown in fig. 9, the battery cell module 600 further includes an end plate 63 and a bottom plate 64, where a groove 65 is formed in the bottom plate 64 for fixing the battery cell 101.
The end plate 63 and the bottom plate 64 are provided as an integral structure, which can simplify the assembly process and provide assembly efficiency.
The battery cell module 600 further includes a pressing plate 66 for fixing and pressing the plurality of battery cells 101.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these are to be considered as the scope of the disclosure.
Claims (10)
1. A battery cell connecting assembly comprises a first holding structure, a second holding structure and a connecting structure, wherein the first holding structure and the second holding structure are electrically connected through the connecting structure; the first clasping structure and the second clasping structure respectively comprise a fixed part and a movable part;
the first end of fixed part with connection structure connects, the second end of fixed part with the first end swing joint of movable part, the second end of movable part can when holding the state tightly, with the first end direct connection or the indirect connection of fixed part, just the second end of movable part with form annular space when the first end of fixed part is connected to hold electric core utmost point post tightly.
2. The cell connection assembly of claim 1, wherein the movable component comprises a face connection portion and at least one branch portion; the first end of the surface connecting part is movably connected with the second end of the fixed part; the second end of the surface connecting part is fixedly connected with the first end of each branch part; the second end of each branch portion can be in when the state of hugging closely, with the first end direct connection of fixed part or indirect connection, and each the second end of branch portion with the annular space that forms when the first end of fixed part is connected, in order to hug closely electric core utmost point post.
3. The cell connection assembly of claim 2, wherein the branch portion has a thickness between 0.5mm-1.5 mm.
4. The cell connection assembly of claim 1, wherein the first and second clasping structures each further comprise a first connection component; the second end of the fixed part is movably connected with the first end of the movable part through the first connecting part.
5. The cell connection assembly of claim 1, wherein the second end of the movable member includes a first slot structure and the first end of the stationary member includes a second slot structure that mates with the first slot structure; when the clamping device is in a tightly-holding state, the first clamping groove structure is directly connected with the second clamping groove structure; or,
the first holding structure further comprises a second connecting part; the second end of the movable component can be indirectly connected with the first end of the fixed component through the second connecting component in a hugging state.
6. The cell connection assembly of claim 5, wherein the second connection member comprises a pin.
7. The cell connection assembly of claim 1, wherein the connection structure is a unitary structure with the securing component.
8. The cell connection assembly of claim 1 or 7, further comprising a non-conductive component; the non-conductor component comprises a through hole;
the connecting structure is connected with the fixing part through one through hole.
9. A battery module comprising at least two cells and the cell connection assembly of any one of claims 1-9; two adjacent electric cores pass through electric core coupling assembling constitutes the electric conductance.
10. The battery module of claim 9, wherein the cells comprise cell poles; the battery cell pole is provided with a notch;
the battery cell connecting assembly comprises a first holding structure, a second holding structure and a connecting structure; the first holding structure and the second holding structure are electrically connected through the connecting structure; the first holding structure and the second holding structure respectively comprise a fixed part and a movable part;
the first end of fixed part with connection structure's connection, the second end of fixed part with the first end swing joint of movable part, the second end of movable part can be when holding the state tightly, through the breach, with the first end lug connection or the indirect connection of fixed part, just the second end of movable part with form annular space when the first end of fixed part is connected, in order to hold tightly electric core utmost point post.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210586742.1A CN114976499B (en) | 2022-05-27 | 2022-05-27 | Battery cell connecting assembly and battery module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210586742.1A CN114976499B (en) | 2022-05-27 | 2022-05-27 | Battery cell connecting assembly and battery module |
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| CN114976499A true CN114976499A (en) | 2022-08-30 |
| CN114976499B CN114976499B (en) | 2024-05-17 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| FR3049113A1 (en) * | 2016-03-21 | 2017-09-22 | Airbus Operations Sas | STRUCTURAL ELEMENT SHIPPING A BATTERY |
| CN206471360U (en) * | 2016-12-30 | 2017-09-05 | 荆州市沃特玛电池有限公司 | A kind of aluminum shell column battery structure |
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| US20200152928A1 (en) * | 2018-11-13 | 2020-05-14 | Contemporary Amperex Technology Co., Limited | Output electrode base, battery module and battery pack |
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| CN209496941U (en) * | 2019-03-04 | 2019-10-15 | 桑顿新能源科技有限公司 | Screw assembly, fastener constructions and battery modules |
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| CN215266578U (en) * | 2021-11-24 | 2021-12-21 | 江门市朗达锂电池有限公司 | Connecting sheet for lithium battery |
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| CN114976499B (en) | 2024-05-17 |
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