CN108281587B - Connection structure, current collecting plate and power supply device - Google Patents
Connection structure, current collecting plate and power supply device Download PDFInfo
- Publication number
- CN108281587B CN108281587B CN201810205977.5A CN201810205977A CN108281587B CN 108281587 B CN108281587 B CN 108281587B CN 201810205977 A CN201810205977 A CN 201810205977A CN 108281587 B CN108281587 B CN 108281587B
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- Prior art keywords
- metal plates
- connection
- current collecting
- collecting plate
- assembly
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 101
- 239000002184 metal Substances 0.000 claims abstract description 101
- 239000011241 protective layer Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H01M10/0422—Cells or battery with cylindrical casing
-
- 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
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to the technical field of battery assembly, in particular to a connecting structure, a current collecting plate and a power supply device, wherein the power supply device comprises a plurality of battery modules, the battery modules comprise the current collecting plate provided with a connecting component, the connecting structure comprises a structure body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are arranged on the structure body, the first connecting part comprises at least two metal plates, the second connecting part comprises at least two metal plates, and the connecting component is provided with at least two grooves corresponding to the at least two metal plates included in the first connecting part or at least two grooves corresponding to the at least two metal plates included in the second connecting part. Through the arrangement, the problem that the contact effect between each connecting structure and the current collecting plate of the power supply device is reduced after the power supply device is used for a long time can be effectively solved.
Description
Technical Field
The invention relates to the technical field of battery assembly, in particular to a connecting structure, a current collecting plate and a power supply device.
Background
At present, electricity used in an electric vehicle is generally stored in a power supply device mounted on the electric vehicle. The current power supply device is formed by connecting a plurality of battery modules in series, and each battery module is connected by a single battery through a current collecting plate so as to meet the electricity consumption requirement of the electric automobile.
The inventors have found that the connection between the existing battery modules is generally made by connecting current collecting plates in adjacent battery modules in series using connection structures, and the contact effect between each connection structure and the current collecting plate is reduced after the power supply device is used for a long period of time.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a connection structure, a current collecting plate, and a power supply device, which can effectively alleviate the problem of a decrease in contact effect between each connection structure and the current collecting plate after the power supply device is used for a long period of time.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:
a connection structure applied to a power supply device including a plurality of battery modules including a current collecting plate provided with a connection assembly, the connection structure including a structural body, a first connection part and a second connection part, the first connection part and the second connection part being provided to the structural body, the first connection part including at least two metal plates, the second connection part including at least two metal plates, the connection assembly being provided with at least two grooves corresponding to the at least two metal plates included in the first connection part, or with at least two grooves corresponding to the at least two metal plates included in the second connection part;
the connecting structure is connected with at least two grooves corresponding to the at least two metal plates arranged in the connecting assembly of any battery module through the at least two metal plates arranged in the first connecting part, and is connected with at least two grooves corresponding to the at least two metal plates arranged in the connecting assembly of the next battery module adjacent to the any battery module through the at least two metal plates arranged in the second connecting part.
Optionally, in the above connection structure, the first connection portion and the second connection portion are disposed on a same side of the structural body and are respectively close to two ends of the structural body.
Optionally, in the above connection structure, the metal plates included in the first connection portion are three and are sequentially arranged at intervals, and the metal plates included in the second connection portion are three and are sequentially arranged at intervals.
Optionally, in the above connection structure, the metal plates included in the first connection portion and the second connection portion are copper plates, and the shapes and sizes of the first connection portion and the second connection portion are the same, and the shapes and sizes of the metal plates are the same.
Optionally, in the above connection structure, at least one first through hole is provided at the opposite positions of the at least two metal plates included in the first connection portion, at least one second through hole is provided at the opposite positions of the at least two metal plates included in the second connection portion, the connection assembly is provided with a third through hole corresponding to the first through hole or the second through hole, the power supply device further includes a plurality of rivets, and the connection assembly and the first connection portion are fixed by the rivets passing through the first through hole and the third through hole, or the rivets passing through the second through hole and the third through hole.
Optionally, in the above connection structure, the thickness of one end of the first connection portion, which is far away from the structural body, of the at least two metal plates is smaller than the thickness of one end of the second connection portion, which is near to the structural body, and the thickness of one end of the second connection portion, which is far away from the structural body, of the at least two metal plates is smaller than the thickness of one end of the second connection portion, which is near to the structural body.
The invention also provides a current collecting plate which is applied to a power supply device comprising a plurality of battery modules and a plurality of connecting structures, wherein the connecting structures comprise a structure body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are arranged on the structure body, the first connecting part and the second connecting part respectively comprise at least two metal plates, the battery modules comprise the current collecting plate, the current collecting plate comprises a current collecting plate body and a connecting assembly, the connecting assembly is connected with the end part of the current collecting plate body, and the current collecting plate body is provided with at least two grooves matched with at least two metal plates included in the first connecting part or at least two metal plates included in the second connecting part;
the connecting structure is connected with at least two grooves formed in the connecting assembly of the current collecting plate of any battery module through at least two metal plates included in the first connecting portion, and the connecting structure is connected with at least two grooves formed in the connecting assembly of the current collecting plate of the next battery module adjacent to any battery module through at least two metal plates included in the second connecting portion.
Optionally, in the above current collecting plate, the connection assembly includes an assembly body and a protective layer, the protective layer is attached to the surface of the assembly body, the at least two grooves are formed in the assembly body, and when the at least two metal plates included in the first connection portion or the second connection portion are disposed in the at least two grooves, the protective layer contacts with the structural body and is adhered by glue.
Optionally, in the above current collecting plate, the shapes and sizes of the first connection portion and the second connection portion are the same, the metal plates included in the first connection portion are three and are sequentially arranged at intervals, and the number of the grooves arranged in the connection assembly is three and corresponds to three metal plates one by one.
The invention also provides a power supply device, which comprises a plurality of battery modules and a plurality of connecting structures, wherein each battery module comprises two current collecting plates and a plurality of single batteries arranged between the two current collecting plates, each two current collecting plates comprises a first current collecting plate and a second current collecting plate, the first current collecting plates and the second current collecting plates are connected through the plurality of single batteries, and the first current collecting plates of any battery module are connected with the second current collecting plates of the next battery module adjacent to the battery module through the connecting structures.
The invention provides a connecting structure, a current collecting plate and a power supply device, wherein the power supply device comprises a plurality of battery modules, each battery module comprises the current collecting plate provided with a connecting component, the connecting structure comprises a structure body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are arranged on the structure body, the first connecting part comprises at least two metal plates, the second connecting part comprises at least two metal plates, the connecting component is provided with at least two grooves corresponding to the at least two metal plates included in the first connecting part, or at least two grooves corresponding to the at least two metal plates included in the second connecting part. Through the arrangement, the connection effect and the stability are better when two adjacent battery modules are connected through the connection structure.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of protection of the present invention, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a power supply device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a battery module according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a connection structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a current collecting plate according to an embodiment of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic structural diagram of a groove according to an embodiment of the present invention.
Icon: 10-a power supply device; 12-a battery module; a 100-connection structure; 110-a structural body; 130-a first connection; 132-a first through hole; 150-a second connection; 152-a second via; 300-collecting plate; 310-collecting plate body; 320-a connection assembly; 322-groove; 324-a third through hole; 326-component body; 328-protective layer; 500-single battery.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2, in an embodiment of the present invention, a power supply device 10 includes a plurality of battery modules 12 and a plurality of connection structures 100, where each battery module 12 is connected by the connection structure 100, for example, any two adjacent battery modules 12 are connected by the connection structure 100.
Specifically, the battery modules 12 include current collecting plates 300, and the current collecting plates 300 in two adjacent battery modules 12 are connected by the connection structure 100.
Referring to fig. 3, an embodiment of the present invention further provides a connection structure 100 applicable to the battery module 12, where the connection structure 100 includes a structure body 110, a first connection portion 130 and a second connection portion 150, the first connection portion 130 and the second connection portion 150 are disposed on the structure body 110, the first connection portion 130 includes at least two metal plates, and the second connection portion 150 includes at least two metal plates.
Referring to fig. 4, 5 and 6, when the connecting structure 100 is applied to the above-mentioned battery module 12, the current collecting plate 300 of the battery module 12 is provided with a connecting assembly 320 and a current collecting plate body 310, and the connecting assembly 320 is connected with the current collecting plate body 310. The connection assembly 320 is provided with at least two grooves 322 corresponding to at least two metal plates included in the first connection part 130, or at least two grooves 322 corresponding to at least two metal plates included in the second connection part 150, so that when the connection structure 100 is used to connect two battery modules 12 in the power supply device 10, the connection structure 100 is connected with at least two grooves 322 corresponding to at least two metal plates provided in the connection assembly 320 of any battery module 12 through at least two metal plates included in the first connection part 130, and the connection structure 100 is connected with at least two grooves 322 corresponding to at least two metal plates provided in the connection assembly 320 of the next battery module 12 adjacent to the any battery module 12 through at least two metal plates included in the second connection part 150.
It is understood that the connection structure 100 may also be used to connect current collecting plates 300 included in any two battery modules 12, respectively.
Through the above arrangement, when the connection structure 100 is connected to the at least two grooves 322 corresponding to the at least two metal plates provided in the connection assembly 320 of the arbitrary battery module 12 through the at least two metal plates included in the first connection part 130, the metal plates included in the first connection part 130 can be fully contacted and bonded with the sidewalls of the corresponding grooves 322, and the connection structure 100 is connected to the at least two grooves 322 corresponding to the at least two metal plates provided in the connection assembly 320 of the next battery module 12 adjacent to the arbitrary battery module 12 through the at least two metal plates included in the second connection part 150, the metal plates included in the second connection part 150 can be fully contacted and bonded with the sidewalls of the corresponding grooves 322, so that the problem that the contact effect between the current collecting plates 300 of the power supply device 10 is reduced after a long time of use can be effectively alleviated, and the problem that the conductive performance is affected due to oxidation of the metal plates caused by more gaps between the metal plates and the grooves 322 can be effectively avoided.
The first connection parts 130 may be disposed at both ends of the structural body 110 in opposite directions, may be disposed at both sides of the structural body 110 in opposite directions, may be disposed at the same side of the structural body 110 in the same direction, and may be disposed according to the positional relationship of the battery modules 12 in the power supply device 10 without being limited thereto.
In general, a plurality of battery modules 12 are stacked, and therefore, in order to facilitate connection of the current collecting plates 300 in adjacent two battery modules 12. Alternatively, in the present embodiment, the first connection portion 130 and the second connection portion 150 are disposed on the same side of the structural body 110 and are respectively close to two ends of the structural body 110.
The number of the at least two metal plates included in the first connection part 130 may be, but not limited to, two, three, or four, the number of the at least two metal plates included in the second connection part 150 may be, but not limited to, two, three, or four, and the number of the metal plates included in the first connection part 130 may be the same as or different from the number of the metal plates included in the second connection part 150.
In order to make the connection between the connection structure 100 and the current collecting plate 300 better, optionally, in this embodiment, the first connection portion 130 includes three metal plates that are sequentially spaced apart, and the second connection portion 150 includes three metal plates that are sequentially spaced apart.
The first connection portion 130 and the second connection portion 150 may have the same shape or different sizes. The three metal plates included in the first connection part 130 may have the same shape or different sizes. The three metal plates included in the second connection part 150 may have the same shape or different sizes. Alternatively, in this embodiment, the first connection portion 130 and the second connection portion 150 have the same shape and size, the three metal plates included in the first connection portion 130 have the same shape and size, and the three metal plates included in the second connection portion 150 have the same shape and size.
It should be noted that the number of the grooves 322 provided in the connecting assembly 320 is also three, and the grooves correspond to the three metal plates one by one.
The metal plates included in the first and second connection parts 130 and 150 may be aluminum plates, silver plates, copper plates, or alloy plates, as long as they have good conductive properties. The structural body 110 may be made of an aluminum material, a copper material or an alloy material, and the structural body 110 may be made of a hard material or a soft material, which is not limited herein, and may be set according to actual needs.
Optionally, in this embodiment, the metal plates included in the first connection portion 130 and the second connection portion 150 are copper plates, and the material is hard, and the structural body 110 is made of copper.
In order to facilitate the arrangement of the at least two metal plates included in the first connecting portion 130 in the corresponding at least two grooves 322 and the arrangement of the at least two metal plates included in the second connecting portion 150 in the corresponding at least two grooves 322, optionally, in this embodiment, the thickness of the at least two metal plates included in the first connecting portion 130 at the end far from the structural body 110 is smaller than the thickness near the end of the structural body 110, and the thickness of the at least two metal plates included in the second connecting portion 150 at the end far from the structural body 110 is smaller than the thickness near the end of the structural body 110.
In order to further make the contact effect between the at least two metal plates of the first connecting portion 130 and the sidewalls of the corresponding at least two grooves 322 better, and make the contact effect between the at least two metal plates of the second connecting portion 150 and the sidewalls of the corresponding at least two grooves 322 better. Alternatively, in the present embodiment, at least one first through hole 132 is disposed at the opposite positions of at least two metal plates included in the first connection part 130, at least one second through hole 152 is disposed at the opposite positions of at least two metal plates included in the second connection part 150, the connection assembly 320 is disposed with a third through hole 324 corresponding to the first through hole 132 or the second through hole 152, the power supply device 10 further includes a plurality of rivets, and the connection assembly 320 and the first connection part 130 are fixed by the rivets passing through the first through hole 132 and the third through hole 324, or by the rivets passing through the second through hole 152 and the third through hole 324.
In order to further alleviate the problem that the contact effect between each current collecting plate 300 and each connection structure 100 is reduced after the power device 10 is used for a long time when the connection structure 100 is connected with the current collecting plate 300, in this embodiment, the connection assembly 320 includes an assembly body 326 and a protective layer 328, the protective layer 328 is attached to the surface of the assembly body 326, the at least two grooves 322 are disposed on the assembly body 326, and when the at least two metal plates included in the first connection portion 130 or the second connection portion 150 are disposed in the at least two grooves 322, the protective layer 328 contacts with the structure body 110 and is sealed by glue.
With the above arrangement, the problem of reduced contact effect caused by oxidation of the respective connection members 320, the metal plates in the first connection portion 130, and the metal plates in the second connection portion 150 after the power supply device 10 is used for a long period of time is further avoided.
It should be noted that, the battery module 12 includes two current collecting plates 300, the power supply device 10 further includes a plurality of unit batteries 500, the plurality of unit batteries 500 are disposed between the two current collecting plates 300, the positive electrodes of the plurality of unit batteries 500 are connected with one current collecting plate 300, the negative electrodes are connected with the other current collecting plate 300, when the plurality of battery modules 12 in the power supply device 10 are connected in series, the current collecting plate 300 in contact with the negative electrode of the unit battery 500 in any one of the two adjacent battery modules 12 is connected with the current collecting plate 300 in contact with the positive electrode of each unit battery 500 in the next battery module 12 through the connection structure 100.
In summary, the connection structure 100, the current collecting plate 300 and the power supply device 10 according to the present invention are applied to the power supply device 10 including a plurality of battery modules 12, the connection structure 100 includes a structure body 110, a first connection portion 130 and a second connection portion 150, the first connection portion 130 includes at least two metal plates, the second connection portion 150 includes at least two metal plates, and the current collecting plate 300 includes grooves 322 corresponding to the at least two metal plates disposed in the first connection portion 130 or grooves 322 corresponding to the at least two metal plates disposed in the second connection portion 150, so as to effectively alleviate the problem that the contact effect between the current collecting plates 300 of the power supply device 10 is reduced after a long time of use.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, article or apparatus that comprises the element.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A connection structure applied to a power supply device including a plurality of battery modules, characterized in that the battery modules include a current collecting plate provided with a connection assembly, the connection structure includes a structural body, a first connection part and a second connection part, the first connection part and the second connection part are provided to the structural body, the first connection part includes at least two metal plates, the second connection part includes at least two metal plates, the connection assembly is provided with at least two grooves corresponding to the at least two metal plates included in the first connection part, or at least two grooves corresponding to the at least two metal plates included in the second connection part;
the connecting structure is connected with at least two grooves corresponding to at least two metal plates arranged in a connecting assembly of any battery module through at least two metal plates arranged in the first connecting part, and is connected with at least two grooves corresponding to at least two metal plates arranged in a connecting assembly of a next battery module adjacent to any battery module through at least two metal plates arranged in the second connecting part;
the connecting assembly comprises an assembly body and a protective layer, the protective layer is attached to the surface of the assembly body, at least two grooves are formed in the assembly body, and when at least two metal plates included in the first connecting portion or the second connecting portion are arranged in the at least two grooves, the protective layer is in contact with the structural body and is adhered through glue.
2. The connection structure according to claim 1, wherein the first connection portion and the second connection portion are disposed on the same side of the structural body and are respectively adjacent to both ends of the structural body.
3. The connection structure according to claim 1, wherein the first connection portion includes three metal plates that are sequentially arranged at intervals, and the second connection portion includes three metal plates that are sequentially arranged at intervals.
4. A connection structure according to claim 3, wherein the metal plates included in the first connection portion and the second connection portion are copper plates, the first connection portion and the second connection portion are identical in shape and size, and the metal plates are identical in shape and size.
5. The connection structure according to claim 1, wherein at least one first through hole is provided at opposite positions of at least two metal plates included in the first connection portion, at least one second through hole is provided at opposite positions of at least two metal plates included in the second connection portion, the connection assembly is provided with a third through hole corresponding to the first through hole or the second through hole, the power supply device further comprises a plurality of rivets, and the connection assembly and the first connection portion are fixed by the rivets passing through the first through hole and the third through hole, or by the rivets passing through the second through hole and the third through hole.
6. The connecting structure according to claim 1, wherein the first connecting portion includes at least two metal plates having a thickness at an end thereof remote from the structural body smaller than a thickness at an end thereof close to the structural body, and the second connecting portion includes at least two metal plates having a thickness at an end thereof remote from the structural body smaller than a thickness at an end thereof close to the structural body.
7. The utility model provides a current collecting plate, is applied to the power supply unit that includes a plurality of battery modules and a plurality of connection structure, its characterized in that, connection structure includes structure body, first connecting portion and second connecting portion set up in the structure body, first connecting portion and second connecting portion set up in the same side of structure body, first connecting portion and second connecting portion include at least two metal sheets respectively, the battery module includes current collecting plate, current collecting plate includes current collecting plate body and coupling assembling, coupling assembling with the end connection of current collecting plate body, coupling assembling is provided with at least two recess that match with at least two metal sheets or two metal sheets that include in the second connecting portion that include in the first connecting portion;
the connecting structure is connected with at least two grooves arranged in a connecting assembly of a current collecting plate of any battery module through at least two metal plates included in the first connecting part, and the connecting structure is connected with at least two grooves arranged in a connecting assembly of a current collecting plate included in the next battery module adjacent to the any battery module through at least two metal plates included in the second connecting part;
the connecting assembly comprises an assembly body and a protective layer, the protective layer is attached to the surface of the assembly body, at least two grooves are formed in the assembly body, and when at least two metal plates included in the first connecting portion or the second connecting portion are arranged in the at least two grooves, the protective layer is in contact with the structural body and is adhered through glue.
8. The current collecting plate according to claim 7, wherein the first connecting portion and the second connecting portion have the same shape and size, the first connecting portion includes three metal plates and are sequentially arranged at intervals, and the number of grooves formed in the connecting assembly is three and corresponds to three metal plates one by one.
9. A power supply device, characterized by comprising a plurality of battery modules and a plurality of connecting structures according to any one of claims 1-6, wherein each battery module comprises two current collecting plates and a plurality of single batteries arranged between the two current collecting plates, each two current collecting plates comprises a first current collecting plate and a second current collecting plate, the first current collecting plates and the second current collecting plates are connected through the plurality of single batteries, and the first current collecting plate of any battery module is connected with the second current collecting plate of the next battery module adjacent to the battery module through the connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205977.5A CN108281587B (en) | 2018-03-13 | 2018-03-13 | Connection structure, current collecting plate and power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205977.5A CN108281587B (en) | 2018-03-13 | 2018-03-13 | Connection structure, current collecting plate and power supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108281587A CN108281587A (en) | 2018-07-13 |
| CN108281587B true CN108281587B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810205977.5A Active CN108281587B (en) | 2018-03-13 | 2018-03-13 | Connection structure, current collecting plate and power supply device |
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| CN (1) | CN108281587B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011150860A (en) * | 2010-01-20 | 2011-08-04 | Sanyo Electric Co Ltd | Power supply device and vehicle provided with the same |
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| KR102221801B1 (en) * | 2014-02-04 | 2021-03-02 | 삼성에스디아이 주식회사 | Busbar module |
| KR102283792B1 (en) * | 2014-08-25 | 2021-08-02 | 삼성에스디아이 주식회사 | Rechargeable battery module |
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| CN108281587A (en) | 2018-07-13 |
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