CN110400896B - Battery cell serial module support, battery cell serial module and assembly method thereof - Google Patents
Battery cell serial module support, battery cell serial module and assembly method thereof Download PDFInfo
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- CN110400896B CN110400896B CN201910784173.XA CN201910784173A CN110400896B CN 110400896 B CN110400896 B CN 110400896B CN 201910784173 A CN201910784173 A CN 201910784173A CN 110400896 B CN110400896 B CN 110400896B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 180
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 43
- 238000005452 bending Methods 0.000 claims description 18
- 238000003475 lamination Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 2
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 1
- 238000007789 sealing 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
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/256—Carrying devices, e.g. belts
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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
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a battery cell serial module support, a battery cell serial module and an assembly method thereof, wherein the battery cell serial module support comprises: a first lug welding platform is arranged at one end of the module bracket main body, first lug welding through grooves are formed in two sides of the first lug welding platform, and a partition plate is arranged between adjacent first lug welding platforms; the other end of the lead-out tab is provided with a second tab welding platform, a second tab welding through groove is formed in the lead-out tab welding platform, two sides of the second tab welding platform are provided with lead-out tab welding platforms, one side, far away from the second tab welding platform, of the lead-out tab welding platform is provided with a lead-out tab welding through groove, and the height of the second tab welding platform is higher than that of the lead-out tab welding platform; the module line ball lid detachably closes on the module support main part. The battery cell serial module support solves the problem that short circuit is easy to occur in the later use process due to insufficient insulation distance between the battery cell serial points or the positive and negative electrode welding points of the traditional perforation module support.
Description
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a battery cell serial module support, a battery cell serial module and an assembly method thereof, which are suitable for single-pit soft-package battery cells.
Background
In the application of the new energy battery, the welding processing of the battery core needs to pay attention to the short circuit protection of the battery core edge sealing and the electrode lug. Especially, soft package monomer electric core, because soft package electric core thickness is thinner and the electric core has the problem of single hole design, easily lead to the interval between the series connection tie point too little, in the in-process of module processing and later stage in-process of using, all easily take place the short circuit, form very big potential safety hazard.
Disclosure of Invention
The invention mainly aims to provide a battery cell serial module support, a battery cell serial module and an assembly method thereof, which are used for solving the problem that battery cells in the prior art, particularly single-pit soft-package battery cells, are easy to short in serial grouping processing and later use processes.
In order to achieve the above object, according to one aspect of the present invention, there is provided a cell series module holder comprising: the module support comprises a module support body, wherein one end of the module support body is provided with a plurality of first lug welding platforms, two sides of each first lug welding platform are respectively provided with a first lug welding through groove, adjacent first lug welding platforms are separated by a partition plate, the other end of the module support body is provided with a second lug welding platform, the second lug welding platforms are provided with a plurality of second lug welding through grooves, two sides of each second lug welding platform are respectively provided with a lead-out lug welding platform, one side of each lead-out lug welding platform, far away from each second lug welding platform, is provided with a lead-out lug welding through groove, and the height of each second lug welding platform is higher than that of each lead-out lug welding platform; the module line ball lid, detachably lid closes on the module support main part, and module line ball lid separates second pole ear welded platform and draws forth pole ear welded platform, and the both sides of module line ball lid and draw forth pole ear welded platform looks interval and form the power line welding groove that is used for placing positive and negative pole power line.
Further, the module line ball lid includes two curb plates, and the inboard of curb plate is equipped with a plurality of dogbones, and second lug welded platform's both sides are equipped with the draw-in groove with dogbone matched with, and the module line ball lid passes through dogbone and draw-in groove joint lid on the module support main part.
Further, the lower side of the side plate is provided with a line ball cover positioning tooth, and the lead-out tab welding platform is provided with a line ball cover positioning hole matched with the line ball cover positioning tooth.
Further, the top surface of the module line ball lid is equipped with an opening, and the both sides of second lug welded platform all are equipped with an upward extending flange, and in the flange stretched into the opening, a line ball lid constant head tank was seted up to the one end of flange, and the end plate of module line ball lid was arranged in the line ball lid constant head tank.
Further, the upper portion of curb plate is equipped with the epitaxial plate of outwards extending, and the interval forms power line welding groove between epitaxial plate and the leading-out tab welded platform, and the length of epitaxial plate is shorter than the length of curb plate, and the tip of epitaxial plate is equipped with the arc outlet.
According to another aspect of the present invention, there is provided a cell series module including: the battery cell serial module support is the battery cell serial module support; the plurality of battery cores are arranged in a way that different poles of the plurality of battery cores are opposite to the lamination, and first lugs at one end of the plurality of battery cores extend out of the plurality of first lug welding grooves respectively and are welded above the first lug welding platform in a two-by-two bending way; the second lugs at the other ends of the plurality of battery cells extend out of the second lug welding through grooves and are welded above the second lug welding platform in a two-by-two bending manner, and the lead-out lugs positioned on the outer sides extend out of the lead-out lug welding through grooves and are bent above the lead-out lug welding platform; the positive and negative electrode power lines are arranged in the power line welding groove and are welded with the leading-out lugs, and the positive and negative electrode power lines are led out from the module line pressing cover.
According to still another aspect of the present invention, there is provided an assembling method of a battery cell serial module, including the steps of:
S1, arranging a plurality of battery cores opposite to each other in a lamination manner;
S2, mounting the module support main body at one end of the battery cell, which is provided with the tab; extending the first tabs from the first tab welding through grooves, and welding adjacent first tabs above the first tab welding platform in a pairwise bending manner; extending the second lugs from the second lug welding through grooves and welding the second lugs above the second lug welding platform in a pairwise bending manner; leading the leading-out tab to extend out of the leading-out tab welding through groove and fold to the upper part of the leading-out tab welding platform;
And S3, welding the positive and negative power lines on the leading-out lugs, covering the module line pressing cover on the module support main body, and bending the positive and negative power lines upwards to lead out the module line pressing cover.
By applying the technical scheme of the invention, a first lug welding platform is arranged at one end of a module support main body, a second lug welding platform and a lead-out lug welding platform are arranged at the other end of the module support main body, a partition board is arranged among the plurality of first lug welding platforms to separate the first lug welding platforms, and the second lug welding platform and the lead-out lug welding platform are divided into an upper layer and a lower layer through height difference; when the battery is assembled, a first tab at one end of the battery core after a plurality of battery cores are overlapped passes through the first tab welding through groove and is welded on a first tab welding platform in a pairwise bending manner; passing a second lug positioned in the middle of the other end of the battery cell through the second lug welding through groove and welding the second lugs on the second lug welding platform in a pairwise bending manner; and folding the lead-out tab positioned on the outer side to the upper part of the lead-out tab welding platform, welding the lead-out tab with the positive and negative power lines, and then covering the module pressing line cover. This electric core series connection module support makes between the electric core bend series connection welding point and divide into upper and lower two-layer, the upper strata is the series connection welding point between the electric core to set up the baffle and make guaranteed enough big insulating distance between the welding point, the lower floor is positive negative pole power line and draws forth the tab welding point, distance between upper strata and the lower floor has guaranteed to draw forth sufficient insulating distance between tab welding point and the electric core series connection welding point, also guaranteed to have sufficient processing space between the hookup point, the processing that has solved current perforation module support combination electric core series connection point or between the positive negative pole welding point insulating interval inadequately leads to and the problem that appears the short circuit easily in the later stage use.
The invention will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
Fig. 1 is a schematic structural diagram of a battery cell serial module support according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating a disassembled structure of a battery cell serial module support according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a module holder body in a battery cell serial module holder according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a module wire pressing cover in a battery cell serial module bracket according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a series-connected cell module according to an embodiment of the invention.
Fig. 6 is a partial enlarged view at a in fig. 5.
Fig. 7 is a partial enlarged view at B in fig. 5.
Fig. 8 is a schematic diagram illustrating a disassembled structure of a serial cell module according to an embodiment of the invention.
Fig. 9 is a schematic cross-sectional view of a battery cell serial module at a first tab welding platform according to an embodiment of the invention.
Fig. 10 is a partial enlarged view at C in fig. 9.
Fig. 11 is a schematic cross-sectional view of a battery cell serial module at a second tab soldering stage and a lead tab soldering stage according to an embodiment of the present invention.
Fig. 12 is a partial enlarged view at D in fig. 11.
Wherein the above figures include the following reference numerals:
10. A module bracket main body; 11. a first tab welding platform; 12. a second lug welding platform; 13. leading out a tab welding platform; 20. a module wire pressing cover; 21. a power line welding groove; 22. a side plate; 23. convex teeth; 24. positioning teeth of the wire pressing cover; 25. an opening; 26. an end plate; 27. an epitaxial plate; 28. an arc outlet; 30. positive and negative electrode power lines; 40. a battery cell; 41. a first tab; 42. a second lug; 43. leading out a tab; 111. the first tab is welded with the through groove; 112. a partition plate; 121. welding through grooves on the second lug; 122. a clamping groove; 123. a flange; 131. leading out a tab welding through groove; 132. a line pressing cover positioning hole; 1221. and a line pressing cover positioning groove.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the invention, but the scope of the invention is not limited to the specific embodiments shown. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Unless defined otherwise, all technical and scientific terms used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to facilitate distinguishing between corresponding features. Also, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate a relative positional relationship, which changes accordingly when the absolute position of the object to be described changes.
Example 1
Referring to fig. 1 to 4, a battery cell serial module support according to an embodiment of the present invention is a battery cell 4-series module support (a battery module is formed by connecting 4 unit battery cells 40 in series). As can be seen from the figure, the cell series module support mainly comprises: a module holder body 10 and a module press cover 20. One end of the module support main body 10 is provided with a plurality of first tab welding platforms 11, two sides of each first tab welding platform 11 are provided with a first tab welding through groove 111, and adjacent first tab welding platforms 11 are separated by a partition 112; the other end of the module bracket main body 10 is provided with a second lug welding platform 12, a plurality of second lug welding through grooves 121 are formed in the second lug welding platform 12, two sides of the second lug welding platform 12 are provided with an outgoing lug welding platform 13, and one side, far away from the second lug welding platform 12, of the outgoing lug welding platform 13 is provided with an outgoing lug welding through groove 131; and, the height of the second tab welding platform 12 is higher than the height of the lead tab welding platform 13. The module wire pressing cover 20 is detachably covered on the module support body 10, and when the module wire pressing cover 20 is covered, the second lug welding platform 12 is separated from the lead-out lug welding platform 13, and two sides of the module wire pressing cover 20 are separated from the lead-out lug welding platform 13, so that a power wire welding groove 21 for placing the positive and negative power wires 30 is formed.
In the battery cell serial module support, a first lug welding platform 11 is arranged at one end of a module support main body 10, a second lug welding platform 12 and a lead-out lug welding platform 13 are arranged at the other end, a partition 112 is arranged between adjacent first lug welding platforms 11 to separate the first lug welding platforms from the lead-out lug welding platform 13, and the second lug welding platform 12 and the lead-out lug welding platform 13 are divided into an upper layer and a lower layer through height difference; during assembly, the first tab 41 at one end of the battery cell 40 passes through the first tab welding through groove 111 after the battery cells 40 are overlapped, and is bent and welded on the first tab welding platform 11 in pairs; the second lug 42 positioned in the middle at the other end of the battery cell 40 passes through the second lug welding through groove 121 and is welded on the second lug welding platform 12 in a two-by-two bending way; the lead tab 43 positioned on the outer side is folded to the upper side of the lead tab welding platform 13 and welded with the positive and negative electrode power lines 30, and then the module pressing line cover 20 is covered.
The battery cell serial connection module support enables bending serial connection welding points between the battery cells 40 to be divided into an upper layer and a lower layer, the upper layer is a serial connection welding point between the battery cells 40, a partition 112 is arranged to enable a sufficient insulation distance between the welding points to be ensured, the lower layer is a welding point (positive electrode and negative electrode of a battery module) of a positive electrode and negative electrode power line 30 and a lead-out tab 43, the distance between the upper layer and the lower layer ensures a sufficient insulation distance between the welding point of the lead-out tab 43 and the serial connection welding point of the battery cells 40, sufficient processing space between connection points is ensured, and the problem that short circuits easily occur in processing and later use processes caused by insufficient insulation distance between the battery cell serial connection points or the positive electrode welding point of the conventional perforation module support is solved. The battery cell serial module support is suitable for various types of single battery cell serial modules, and is particularly suitable for single-pit soft-package single battery cell serial modules with thinner thickness.
Specifically, referring to fig. 1, 2 and 4, the module wire pressing cover 20 includes two side plates 22, a plurality of teeth 23 are disposed on the inner sides of the side plates 22, clamping grooves 122 matched with the teeth 23 are disposed on two sides of the second lug welding platform 12, and the module wire pressing cover 20 is clamped and covered on the module bracket body 10 through the teeth 23 and the clamping grooves 122. The module pressing line cover 20 is clamped and covered on the module support main body 10 through the cooperation of the convex teeth 23 and the clamping grooves 122, and the module pressing line cover is simple in structure, convenient to install and reliable in connection.
Further, in order to better position the module wire pressing cover 20 and make the module wire pressing cover 20 more stably cover the module bracket main body 10, in this embodiment, wire pressing cover positioning teeth 24 are further disposed at the lower side of the side plate 22, and wire pressing cover positioning holes 132 matched with the wire pressing cover positioning teeth 24 are formed on the lead tab welding platform 13. So set up, when closing module line ball lid 20 on module support main part 10, insert line ball lid positioning tooth 24 in line ball lid locating hole 132, press die set line ball lid 20 downwards makes protruding tooth 23 embedding draw-in groove 122.
Referring to fig. 2 and 4, in the present embodiment, the top surface of the module wire pressing cover 20 is provided with an opening 25, and two sides of the second lug welding platform 12 are provided with an upwardly extending flange 123; when the module pressing cover 20 is covered, the flange 123 extends into the opening 25, one end of the flange 123 is provided with a pressing cover positioning groove 1221, and the end plate 26 of the module pressing cover 20 is disposed in the pressing cover positioning groove 1221. By the arrangement, on one hand, the connection between the module pressing cover 20 and the module bracket main body 10 can be more stable; on the other hand, the second tab welding platform 12 and the lead tab welding platform 13 can be completely separated, and the condition that the second tab 42 and the lead tab 43 are short-circuited in the welding and using processes is better avoided.
Specifically, referring to fig. 1,2 and 4, in the present embodiment, the upper portion of the side plate 22 is provided with an outwardly extending extension plate 27, and the extension plate 27 is spaced apart from the lead tab welding platform 13 to form a power line welding groove 21; the length of the extension plate 27 is shorter than that of the side plate 22, and an arc-shaped outlet 28 is provided at the end of the extension plate 27. After the positive and negative electrode power lines 30 are welded on the lead-out lugs 43, the module pressing line cover 20 is covered, so that the positive and negative electrode power lines 30 are bent upwards and led out upwards from the arc-shaped wire outlet 28.
Example 2
Referring to fig. 5 to 12, a serial module of cells according to an embodiment of the invention, specifically, the serial module support of cells is a serial module of cells 4. As can be seen from the figure, the cell series module mainly comprises: the battery cell serial module support, the positive and negative electrode power lines 30 and a plurality of battery cells 40.
Wherein the cell series module support is the cell series module support in embodiment 1; the multiple cells 40 are opposite to each other and are arranged in a stacked manner (i.e., the positive electrode of one cell 40 is opposite to the negative electrode of the adjacent cell 40, and the negative electrode of the cell is opposite to the positive electrode of the adjacent cell 40); the first tabs 41 at one end of the plurality of battery cells 40 extend out of the plurality of first tab welding through grooves 111 respectively, and are welded above the first tab welding platform 11 in a pair-by-pair bending manner; the second lugs 42 at the other ends of the plurality of battery cells 40 extend out from the second lug welding grooves 121 and are welded above the second lug welding platform 12 in a two-by-two bending manner; the lead tab 43 positioned on the outer side extends out of the lead tab welding groove 131 and is folded to the upper side of the lead tab welding platform 13; the positive and negative electrode power lines 30 are arranged in the power line welding groove 21 and are welded with the leading-out lugs 43, and the positive and negative electrode power lines 30 are led out from the module pressing line cover 20.
According to the battery cell serial module, the battery cells 40 are opposite to the lamination, and the battery cell serial module support in the embodiment 1 is adopted for assembly, so that enough processing space is ensured for serial welding points between the battery cells 40 and positive and negative electrode welding points of the module, insulation distances for processing and later use between the welding points are ensured, the safety performance of the module in processing and use is greatly improved, and the problem that short circuit is easy to occur due to too small space between the welding points of the conventional battery module (especially a thinner single-pit soft-package battery module) is effectively solved.
The battery cell serial module is assembled by the following method:
the first step: arranging a plurality of battery cores 40 opposite to the lamination;
And a second step of: the module bracket main body 10 is arranged at one end of the battery cell 40 provided with the tab; extending the first tabs 41 from the first tab welding through grooves 111, and welding adjacent first tabs 41 above the first tab welding platform 11 in a pairwise bending manner; extending the second lugs 42 from the second lug welding grooves 121 and welding the second lugs to the upper part of the second lug welding platform 12 in a bending manner; the lead tab 43 extends out of the lead tab welding groove 131 and is folded over the lead tab welding platform 13;
And a third step of: the positive and negative electrode power lines 30 are welded to the lead-out lugs 43, and then the module wire pressing cover 20 is covered on the module bracket body 10, and the positive and negative electrode power lines 30 are bent upward and led out from the module wire pressing cover 20.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A series-connected cell module support comprising:
The module support comprises a module support body (10), wherein one end of the module support body (10) is provided with a plurality of first lug welding platforms (11), two sides of each first lug welding platform (11) are respectively provided with a first lug welding through groove (111), adjacent first lug welding platforms (11) are separated by a partition plate (112), the other end of the module support body (10) is provided with a second lug welding platform (12), a plurality of second lug welding through grooves (121) are formed in the second lug welding platform (12), two sides of the second lug welding platform (12) are respectively provided with an outgoing lug welding platform (13), one side of each outgoing lug welding platform (13) away from the second lug welding platform (12) is provided with an outgoing lug welding through groove (131), and the height of each second lug welding platform (12) is higher than that of each outgoing lug welding platform (13);
the module line pressing cover (20) is detachably covered on the module support main body (10), the module line pressing cover (20) separates the second lug welding platform (12) from the lead-out lug welding platform (13), and power line welding grooves (21) for placing the positive and negative power lines (30) are formed on two sides of the module line pressing cover (20) and are separated from the lead-out lug welding platform (13);
the module line pressing cover (20) comprises two side plates (22), a plurality of convex teeth (23) are arranged on the inner sides of the side plates (22), clamping grooves (122) matched with the convex teeth (23) are formed on the two sides of the second lug welding platform (12), and the module line pressing cover (20) is clamped and covered on the module support main body (10) through the convex teeth (23) and the clamping grooves (122);
the lower side of the side plate (22) is provided with a wire pressing cover positioning tooth (24), and the lead-out tab welding platform (13) is provided with a wire pressing cover positioning hole (132) matched with the wire pressing cover positioning tooth (24);
the top surface of module line ball lid (20) is equipped with an opening (25), the both sides of second lug welded platform (12) all are equipped with flange (123) that upwards extend, flange (123) stretch into in opening (25), line ball lid constant head tank (1221) are seted up to one end of flange (123), end plate (26) of module line ball lid (20) are arranged in line ball lid constant head tank (1221).
2. The battery cell serial module support according to claim 1, wherein an outward extending extension plate (27) is arranged at the upper part of the side plate (22), the power line welding grooves (21) are formed between the extension plate (27) and the lead-out tab welding platform (13) at intervals, the length of the extension plate (27) is shorter than that of the side plate (22), and an arc-shaped outlet (28) is arranged at the end part of the extension plate (27).
3. The utility model provides a electricity core series connection module, its characterized in that, electricity core series connection module includes:
a cell series module support, which is the cell series module support of claim 1 or 2;
A plurality of battery cells (40), wherein a plurality of battery cells (40) are opposite to each other in a lamination manner, and first lugs (41) at one end of the battery cells (40) extend out of a plurality of first lug welding through grooves (111) respectively and are welded above the first lug welding platform (11) in a bending manner; a plurality of second lugs (42) at the other end of the battery core (40) extend out of the second lug welding through grooves (121) and are welded above the second lug welding platform (12) in a two-by-two bending mode, and lead-out lugs (43) positioned on the outer side extend out of the lead-out lug welding through grooves (131) and are folded above the lead-out lug welding platform (13);
The positive and negative power lines (30) are arranged in the power line welding groove (21) and are welded with the leading-out lugs (43), and the positive and negative power lines (30) are led out from the module line pressing cover (20).
4. The method of assembling a series cell module of claim 3, comprising the steps of:
s1, arranging a plurality of battery cores (40) opposite to each other in a lamination manner;
S2, mounting the module support main body (10) at one end of the battery cell (40) provided with the tab; extending the first electrode lugs (41) from the first electrode lug welding through grooves (111), and welding adjacent first electrode lugs (41) above the first electrode lug welding platform (11) in a pairwise bending manner; extending the second lugs (42) from the second lug welding through grooves (121) and welding the second lugs above the second lug welding platform (12) in a pair by pair bending manner; extending the lead-out tab (43) from the lead-out tab welding through groove (131) and folding the lead-out tab to the upper part of the lead-out tab welding platform (13);
S3, welding the positive and negative power lines (30) on the leading-out lugs (43), covering the module pressing line cover (20) on the module support main body (10), and bending the positive and negative power lines (30) upwards to be led out from the module pressing line cover (20).
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| CN201910784173.XA CN110400896B (en) | 2019-08-23 | 2019-08-23 | Battery cell serial module support, battery cell serial module and assembly method thereof |
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| CN201910784173.XA CN110400896B (en) | 2019-08-23 | 2019-08-23 | Battery cell serial module support, battery cell serial module and assembly method thereof |
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| CN110400896A CN110400896A (en) | 2019-11-01 |
| CN110400896B true CN110400896B (en) | 2024-07-23 |
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|---|---|---|---|---|
| CN110957451B (en) * | 2019-12-27 | 2024-10-25 | 湖南电将军新能源有限公司 | Ultrasonic welding switching fixing frame for quick-charging battery pack |
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