CN218160620U - Large cylindrical battery cell grouping structure - Google Patents
Large cylindrical battery cell grouping structure Download PDFInfo
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- CN218160620U CN218160620U CN202222119520.7U CN202222119520U CN218160620U CN 218160620 U CN218160620 U CN 218160620U CN 202222119520 U CN202222119520 U CN 202222119520U CN 218160620 U CN218160620 U CN 218160620U
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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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Abstract
The utility model provides a big cylinder electricity core block structure relates to the technical field of new forms of energy, and this big cylinder electricity core block structure includes block structure main part, block structure main part includes at least a pair of plastic support group, and is a pair of plastic support group includes two plastic support groups, two be provided with the epoxy board between the plastic support group. The utility model provides a grouped structure main body of a large cylindrical battery cell grouped structure, which comprises at least a pair of plastic bracket groups, wherein a plurality of large cylindrical battery cells are arranged between two plastic bracket groups of each pair of plastic bracket groups; according to the actual use demand, adjust the logarithm of the plastic support group of group structure main part and change the series connection or the parallel connection of adjacent plastic support group, realize nimble collocation, realize different series-parallel connections to satisfy the output requirement.
Description
Technical Field
The utility model belongs to the technical field of the technique of the new forms of energy and specifically relates to a big cylinder electricity core group structure is related to.
Background
The block structure of big cylinder electricity core on the market is rare, based on the unique 40135 big cylinder electricity core structure of this company, satisfying under the condition of safety demand, optimize the cost as far as possible, need solve the fixed and aluminium row welding scheduling problem that overflows of the unitized structural support of electricity core, guarantee to stand out the price/performance ratio advantage under reliable and stable condition, utilize the series-parallel connection to realize the output requirement of different voltages and power.
The cost of a single battery cell is too high, the cost budget of the PACK level is squeezed, and a cost boundary under the premise that the product quality meets needs to be explored; the structure of the battery core, the unevenness of the negative electrode, the thin welding surface of the positive electrode, and the examination of the welding process and the quality guarantee; the flexibility is not enough to the platform demand of difference, needs redesign different specifications's accessory etc. in groups.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a big cylinder electricity core block structure of aim at to alleviate the not enough technical problem of current big cylinder electricity core block structure flexibility.
The utility model provides a large cylindrical battery cell grouping structure, which comprises a grouping structure main body, wherein the grouping structure main body comprises at least one pair of plastic bracket groups, the pair of plastic bracket groups comprises two plastic bracket groups, and an epoxy plate is arranged between the two plastic bracket groups;
the plastic support group comprises two plastic supports, a plurality of cell assembling positions are arranged on the plastic supports, a plurality of large cylindrical cells are arranged in front of the two plastic supports, and two ends of each large cylindrical cell are respectively assembled in two corresponding cell assembling positions of the two plastic supports;
a first connecting hole is formed in the side face of the plastic support in the length direction; a first welding aluminum bar used for connecting a plurality of large cylindrical battery cells in series or in parallel is arranged between the epoxy plate and the plastic support, an extending part is arranged on the first welding aluminum bar, and the extending part extends to the side surface of the plastic support and is provided with a first through hole corresponding to the first connecting hole;
a connecting copper bar is arranged between the two plastic bracket sets, two ends of the connecting copper bar are respectively provided with a connecting part, and the connecting parts are provided with second through holes corresponding to the first connecting holes; the two plastic support groups are connected in series or in parallel by passing through the first through hole and the second through hole and then being screwed in the first connecting hole through screws.
In an optional embodiment, a second connecting hole is formed in the side face of each plastic support, a connecting sheet is arranged between the two plastic supports, and two ends of the connecting sheet are respectively provided with a first fixing hole; the screw passes through the first fixing hole and then is screwed in the second connecting hole, so that the two plastic support groups form a whole.
In optional implementation, be provided with first joint hole on the plastic support, the screw rod is connected with the nut after passing a plurality of plastic support's first joint hole in proper order from the downthehole back of inserting of the first joint of the plastic support of the one end of unitized construction main part.
In an optional embodiment, the connecting copper bar further comprises a protective cover, the protective cover is covered on the connecting copper bar, a second threaded hole is formed in the plastic support, and a fixing plate is arranged on the protective cover; and a screw penetrates through the fixing plate to be connected with the second threaded hole, so that the protective cover is fixed on the plastic support.
In an optional embodiment, the battery pack further comprises a side surface insulating sheet, two sides of the pack structure main body are respectively provided with one side surface insulating sheet, and a second welding aluminum row for connecting the large cylindrical battery cells in series or in parallel is arranged between the side surface insulating sheet and the plastic bracket; the second welding aluminium is arranged and is provided with the collection portion of buckling, the side of plastic support is provided with the joint groove that matches with the collection portion of buckling.
In an alternative embodiment, the battery pack further comprises a protection plate disposed at an upper end of the unitized structure body;
a fixing column is arranged on the plastic bracket, and a third threaded hole is formed in the fixing column;
the side surface insulating sheet comprises side mounting plates arranged on two sides of the side surface insulating sheet, and third through holes matched with the fixing columns are formed in the side mounting plates;
a third connecting hole corresponding to the fixing column is formed in the protection plate; and a screw passes through the third connecting hole to be connected with a third threaded hole of the fixing column, so that the protection plate is fixed on the grouped structure main body.
In an optional embodiment, 8 battery cell assembling positions are arranged on the plastic bracket, and the 8 battery cell assembling positions are arranged in two rows and two columns;
and the cell assembling position is provided with pole hole positions for exposing the positive pole and the negative pole of the large cylindrical cell, and the first welding aluminum bar and the second welding aluminum bar are respectively welded with the large cylindrical cell.
In an optional embodiment, a positioning column is arranged on the plastic support, and the extending direction of the positioning column is the same as the length direction of the large cylindrical battery cell;
and the second welding aluminum row is provided with a positioning hole corresponding to the positioning column, and the positioning column is arranged in the positioning hole in a penetrating manner.
In an optional embodiment, a stamping pit is arranged on one side of the second welding aluminum row away from the large cylindrical battery core, and a welding hole is arranged in the stamping pit.
In an optional embodiment, four stamping recesses are arranged on the second welding aluminum row, and the four stamping recesses are arranged in two rows and two columns.
The utility model provides a grouped structure main body of a large cylindrical battery cell grouped structure, which comprises at least a pair of plastic bracket groups, wherein a plurality of large cylindrical battery cells are arranged between two plastic bracket groups of each pair of plastic bracket groups; according to the in-service use demand, adjust the logarithm of the plastics support group of group's structure main part and change the series connection of adjacent plastics support group or connect in parallel, realize nimble collocation, realize different series-parallel to satisfy the output requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large cylindrical battery cell grouping structure provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a plastic support of the large cylindrical battery cell grouping structure shown in fig. 1;
fig. 3 is a schematic structural view of another angle of the plastic support of the large cylindrical battery cell grouping structure shown in fig. 1;
fig. 4 is a structural diagram of another angle of the plastic support of the large cylindrical battery cell grouping structure shown in fig. 1;
fig. 5 is a schematic view of an internal structure of a large cylindrical battery cell grouping structure provided in an embodiment of the present invention;
fig. 6 is a partially enlarged view a of an internal structural diagram a of the large cylindrical cell grouping structure shown in fig. 5;
fig. 7 is a partial enlarged view of B of an internal structural schematic diagram of the large cylindrical cell grouping structure shown in fig. 5;
fig. 8 is a schematic diagram illustrating an installation position of a plastic bracket of a large cylindrical battery cell grouping structure according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a first welding aluminum row and a connection copper bar connected in a large cylindrical battery cell group structure provided by the embodiment of the present invention.
An icon: 100-large cylindrical battery cells; 200-a protective plate; 300-side insulating sheet; 400-a protective cover; 401-a fixation plate; 500-a plastic support; 501-battery core assembling position; 502-a second threaded hole; 503-fixed column; 504-second connection hole; 505-a first connection hole; 506-a clamping groove; 507-pole hole site; 508-a first snap hole; 600-connecting a copper bar; 601-a connecting part; 700-connecting piece; 800-positioning columns; 900-second welding aluminum row; 901-bending collection part; 902-welding holes; 903-punching a pit; 110-screw; 120-epoxy board; 130-a first welded aluminum row; 131-an extension.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that 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.
Examples
Referring to fig. 1 to 9, the utility model provides a large cylindrical battery cell grouping structure, which comprises a grouping structure main body, wherein the grouping structure main body comprises at least one pair of plastic support groups, the pair of plastic support groups comprises two plastic support groups, and an epoxy plate 120 is arranged between the two plastic support groups;
the plastic support group comprises two plastic supports 500, a plurality of cell assembling positions 501 are arranged on the plastic supports 500, a plurality of large cylindrical cells 100 are arranged in front of the two plastic supports 500, and two ends of each large cylindrical cell 100 are respectively assembled in the two corresponding cell assembling positions 501 of the two plastic supports 500;
a first connection hole 505 is formed in a side surface of the plastic bracket 500 in the length direction; a first welding aluminum row 130 used for connecting a plurality of large cylindrical battery cells 100 in series or in parallel is arranged between the epoxy plate 120 and the plastic support 500, an extension portion 131 is arranged on the first welding aluminum row 130, and the extension portion 131 extends to the side surface of the plastic support 500 and is provided with a first through hole corresponding to the first connection hole 505;
a connecting copper bar 600 is arranged between the two plastic bracket sets, two ends of the connecting copper bar 600 are respectively provided with a connecting part 601, and the connecting parts 601 are provided with second through holes corresponding to the first connecting holes 505; the two plastic bracket sets are connected in series or in parallel by passing through the first through hole and the second through hole through screws and then being screwed in the first connecting hole 505.
In an alternative embodiment, a second connecting hole 504 is formed on a side surface of each plastic bracket 500, a connecting piece 700 is arranged between the two plastic brackets 500, and two ends of the connecting piece 700 are respectively provided with a first fixing hole; the two plastic bracket sets are integrated into a whole by screwing the screws into the second connecting holes 504 after passing through the first fixing holes.
In some embodiments, the large cylindrical cell unitized structure comprises a unitized structure body comprising at least one pair of plastic bracket sets, the pair of plastic bracket sets comprising two plastic bracket sets; an epoxy plate 120 is arranged between the two plastic bracket groups, and the epoxy plate 120 is used for separating the two plastic bracket groups.
In order to facilitate the production of the plastic support 500, the structures of the plastic supports 500 are generally the same, and all the plastic supports 500 are provided with the cell assembling positions 501; in order to enable two adjacent plastic supports 500 to be connected in series or in parallel, a first welding aluminum bar 130 is arranged on the plastic support 500, the first welding aluminum bar 130 is connected with the large cylindrical battery core 100 on the plastic support 500, the extending part 131 of the first welding aluminum bar 130 extends to the side surface of the plastic support 500, and a first through hole is arranged on the first welding aluminum bar 130; a first connection hole 505 is provided on the plastic bracket 500, and a nut is provided in the first connection hole 505 or the first connection hole 505 has a screw thread therein.
Connecting copper bar 600 has two connecting portion 601, sets up a second through-hole on each connecting portion 601, and the screw can be through passing first through-hole and second through-hole after the spiro union in first connecting hole 505 like this, even connect copper bar 600 and first welding aluminium bar 130 and be connected, realized two adjacent plastics support group internal series connection or parallelly connected like this.
The grouped structure main body comprises one pair, two pairs or multiple pairs of plastic support groups according to actual needs, wherein the two plastic support groups are connected in series or in parallel according to needs, and then different series-parallel connection can be flexibly realized by adopting small module collocation to meet the output requirement.
Referring to fig. 2, 3 and 4, in an alternative embodiment, a first fastening hole 508 is formed in the plastic bracket 500, and the screw 110 is inserted into the first fastening hole 508 of the plastic bracket 500 at one end of the unitized structure body, and then sequentially passes through the first fastening holes 508 of the plurality of plastic brackets 500 and is connected to a nut.
In some embodiments, the plastic brackets 500 are provided with first fastening holes 508, one end of the screw 110 can pass through the first fastening holes 508, and a nut is disposed at the first fastening hole 508 on one of the plastic brackets 500; the grouped structure main body comprises a pair of plastic support groups, the two plastic support groups comprise four plastic supports 500, the screw 110 sequentially penetrates through first clamping holes 508 on the four plastic supports 500 and then is connected with the nut, and then the four plastic supports 500 form a whole, so that the large cylindrical battery cell 100 between the two plastic supports 500 can be firmly fixed.
Referring to fig. 1, in an alternative embodiment, the connecting copper bar connecting structure further includes a protective cover 400, the protective cover 400 is covered on the connecting copper bar 600, a second threaded hole 502 is formed in the plastic support 500, and a fixing plate 401 is arranged on the protective cover 400; the protective cover 400 is fixed to the plastic bracket 500 by screws inserted through the fixing plate 401 and coupled to the second screw holes 502.
In order to better protect the connecting copper bar 600 located at the side of the plastic bracket 500 and reduce the contact between the foreign matter and the connecting copper bar 600, a protective cover 400 is provided on the plastic bracket 500, and the protective cover is provided outside the connecting copper bar 600.
The protective cover 400 comprises a fixing plate 401, a screw is arranged on the fixing plate 401, and the screw is connected with a second threaded hole 502 on the plastic bracket 500, so that the protective cover 400 is fixed on the plastic bracket 500.
Because the connecting copper bar 600 is used for connecting the first welding aluminum bar 130 of the two plastic bracket sets, the connecting copper bar 600 is simultaneously positioned on the two plastic brackets 500, the protective cover 400 is provided with two fixing plates 401, and each fixing plate 401 is respectively connected with one plastic bracket 500.
In an optional embodiment, the battery pack further comprises a side surface insulation sheet 300, two sides of the pack structure main body are respectively provided with one side surface insulation sheet 300, and a second welding aluminum row 900 for connecting the plurality of large cylindrical battery cells 100 in series or in parallel is arranged between the side surface insulation sheet 300 and the plastic bracket 500; the second welding aluminum row 900 is provided with a bending collection part 901, and the side surface of the plastic support 500 is provided with a clamping groove 506 matched with the bending collection part 901.
The positive and negative ends of the large cylindrical battery cells 100 are respectively used for connecting the first welding aluminum bar 130 and the second welding aluminum bar 900 in series or in parallel; be provided with collection portion 901 of buckling on second welding aluminium row 900, this collection portion 901 of buckling is located the side of plastic support 500, makes things convenient for the welding of collection terminal and collection portion 901 of buckling to avoid the interference and the clearance problem of big cylinder electricity core integrated configuration.
In an alternative embodiment, the battery pack further comprises a protection plate 200, wherein the protection plate 200 is arranged at the upper end of the unitized structure body;
a fixing column 503 is arranged on the plastic bracket 500, and a third threaded hole is formed in the fixing column 503;
the side surface insulating sheet 300 comprises side mounting plates arranged at two sides of the side surface insulating sheet 300, and third through holes matched with the fixing columns 503 are arranged on the side mounting plates;
a third connecting hole corresponding to the fixing column 503 is formed in the protection plate 200; and a screw passes through the third connecting hole to be connected with a third threaded hole of the fixing column 503, so that the protection plate 200 is fixed on the unitized structure main body.
In an optional embodiment, 8 cell assembling positions 501 are arranged on the plastic support 500, and the 8 cell assembling positions 501 are arranged in two rows and two columns;
the cell assembling position 501 is provided with a pole hole position 507 for exposing the positive pole and the negative pole of the large cylindrical cell 100, and the first welding aluminum bar 130 and the second welding aluminum bar 900 are respectively welded with the large cylindrical cell 100.
In an optional embodiment, a positioning column 800 is disposed on the plastic support 500, and an extending direction of the positioning column 800 is the same as a length direction of the large cylindrical battery cell 100;
a positioning hole corresponding to the positioning column 800 is formed in the second aluminum row 900, and the positioning column 800 is inserted into the positioning hole.
Referring to fig. 7, in an alternative embodiment, a stamping pit 903 is provided on a side of the second welding aluminum row 900 away from the large cylindrical battery cell 100, and a welding hole 902 is provided in the stamping pit 903.
In an alternative embodiment, four stamping recesses 903 are disposed in the second welding aluminum row 900, and the four stamping recesses 903 are disposed in two rows and two columns.
The utility model provides a grouped structure main body of a large cylindrical battery cell grouped structure, which comprises at least a pair of plastic bracket groups, wherein a plurality of large cylindrical battery cells 100 are arranged between two plastic bracket groups of each pair of plastic bracket groups; according to the actual use demand, adjust the logarithm of the plastic support group of group structure main part and change the series connection or the parallel connection of adjacent plastic support group, realize nimble collocation, realize different series-parallel connections to satisfy the output requirement.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The large cylindrical battery cell grouping structure is characterized by comprising a grouping structure main body, wherein the grouping structure main body comprises at least one pair of plastic bracket groups, the pair of plastic bracket groups comprises two plastic bracket groups, and an epoxy plate (120) is arranged between the two plastic bracket groups;
the plastic support group comprises two plastic supports (500), a plurality of cell assembling positions (501) are arranged on the plastic supports (500), a plurality of large cylindrical cells (100) are arranged in front of the two plastic supports (500), and two ends of each large cylindrical cell (100) are respectively assembled in two corresponding cell assembling positions (501) of the two plastic supports (500);
a first connecting hole (505) is formed in the side surface of the plastic bracket (500) in the length direction; a first welding aluminum row (130) used for connecting a plurality of large cylindrical battery cells (100) in series or in parallel is arranged between the epoxy plate (120) and the plastic bracket (500), an extending part (131) is arranged on the first welding aluminum row (130), and the extending part (131) extends to the side surface of the plastic bracket (500) and is provided with a first through hole corresponding to the first connecting hole (505);
a connecting copper bar (600) is arranged between the two plastic support groups, two ends of the connecting copper bar (600) are respectively provided with a connecting part (601), and the connecting parts (601) are provided with second through holes corresponding to the first connecting holes (505); the two plastic bracket groups are connected in series or in parallel by passing through the first through hole and the second through hole through screws and then being screwed in the first connecting hole (505).
2. The large cylindrical battery cell grouping structure of claim 1, wherein a second connecting hole (504) is formed in the side surface of each plastic support (500), a connecting sheet (700) is arranged between the two plastic supports (500), and two ends of each connecting sheet (700) are respectively provided with a first fixing hole; the two plastic support groups form a whole by screwing the screws in the second connecting holes (504) after passing through the first fixing holes.
3. The large cylindrical battery cell grouping structure of claim 2, wherein the plastic support (500) is provided with a first clamping hole (508), and the screw (110) is inserted into the first clamping hole (508) of the plastic support (500) at one end of the grouping structure body, and then sequentially passes through the first clamping holes (508) of the plurality of plastic supports (500) and is connected with the nut.
4. The large cylindrical battery cell grouping structure of claim 1, further comprising a protective cover (400), wherein the protective cover (400) covers the connecting copper bar (600), a second threaded hole (502) is formed in the plastic support (500), and a fixing plate (401) is arranged on the protective cover (400); the protective cover (400) is fixed on the plastic bracket (500) by connecting a screw through a fixing plate (401) and a second threaded hole (502).
5. The large cylindrical battery cell grouping structure of claim 1, further comprising a side surface insulation sheet (300), wherein one side surface insulation sheet (300) is disposed on each of two sides of the grouping structure body, and a second welded aluminum row (900) for connecting a plurality of large cylindrical battery cells (100) in series or in parallel is disposed between the side surface insulation sheet (300) and the plastic bracket (500); the second welding aluminum row (900) is provided with a bending collection part (901), and the side face of the plastic support (500) is provided with a clamping groove (506) matched with the bending collection part (901).
6. The large cylindrical cell grouping structure of claim 5, further comprising a protection plate (200), wherein the protection plate (200) is disposed at an upper end of the grouping structure body;
a fixing column (503) is arranged on the plastic support (500), and a third threaded hole is formed in the fixing column (503);
the side surface insulating sheet (300) comprises side mounting plates arranged on two sides of the side surface insulating sheet (300), and third through holes matched with fixing columns (503) are formed in the side mounting plates;
a third connecting hole corresponding to the fixing column (503) is formed in the protection plate (200); and a screw passes through the third connecting hole to be connected with a third threaded hole of the fixing column (503), so that the protection plate (200) is fixed on the grouped structure main body.
7. The large cylindrical battery cell grouping structure according to claim 5, wherein 8 battery cell assembling positions (501) are arranged on the plastic support (500), and the 8 battery cell assembling positions (501) are arranged in two rows and two columns;
the cell assembling position (501) is provided with a pole hole position (507) for exposing the positive pole and the negative pole of the large cylindrical cell (100), and the first welding aluminum bar (130) and the second welding aluminum bar (900) are respectively welded with the large cylindrical cell (100).
8. The large cylindrical battery cell grouping structure of claim 7, wherein the plastic support (500) is provided with positioning pillars (800), and the extending direction of the positioning pillars (800) is the same as the length direction of the large cylindrical battery cells (100);
a positioning hole corresponding to the positioning column (800) is formed in the second welding aluminum row (900), and the positioning column (800) penetrates through the positioning hole.
9. The large cylindrical cell battery structure of claim 8, wherein a side of the second welded aluminum row (900) away from the large cylindrical cell (100) is provided with a stamped dimple (903), and a welded hole (902) is provided in the stamped dimple (903).
10. The large cylindrical battery cell grouping structure of claim 8, wherein four stamping dimples (903) are arranged on the second welded aluminum row (900), and the four stamping dimples (903) are arranged in two rows and two columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222119520.7U CN218160620U (en) | 2022-08-11 | 2022-08-11 | Large cylindrical battery cell grouping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222119520.7U CN218160620U (en) | 2022-08-11 | 2022-08-11 | Large cylindrical battery cell grouping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218160620U true CN218160620U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222119520.7U Active CN218160620U (en) | 2022-08-11 | 2022-08-11 | Large cylindrical battery cell grouping structure |
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| Country | Link |
|---|---|
| CN (1) | CN218160620U (en) |
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- 2022-08-11 CN CN202222119520.7U patent/CN218160620U/en active Active
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