CN215342766U - Square electricity core module - Google Patents
Square electricity core module Download PDFInfo
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- CN215342766U CN215342766U CN202121174637.4U CN202121174637U CN215342766U CN 215342766 U CN215342766 U CN 215342766U CN 202121174637 U CN202121174637 U CN 202121174637U CN 215342766 U CN215342766 U CN 215342766U
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- 230000005611 electricity Effects 0.000 title description 2
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 21
- 239000006260 foam Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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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
A square battery cell module comprises a battery cell group, a shell assembly, a top cover assembly, an output assembly and a pair of pole outlet assemblies, wherein the battery cell group is arranged in the shell assembly; the output assembly is electrically connected with the electric core assembly, and each lead-out row of the output assembly is arranged in one of the pole-out assemblies; the pole outlet assembly comprises three lead-out spaces which are used for being connected with other modules in series. The square battery cell module can penetrate into the series row from three directions and is used for connecting other modules in series, so that the module arrangement is convenient, the weight of the module series row is reduced, and the cost is saved; the module has the advantages of simple structure, few types of parts, light weight, reduced cost and convenient installation.
Description
Technical Field
The utility model belongs to the technical field of power batteries, and particularly relates to a square battery cell module.
Background
With the general promotion of energy conservation and environmental awareness, electric automobiles become a focus of attention of governments and automobile industries. The basic performance, the cycle characteristic and the safety performance of the power battery, which is one of the most critical systems on the electric automobile, all affect the economy, the power performance and the safety of the whole automobile. The electric core is generally presented in the form of electric core module in power battery box as the main power source of power battery, and rational design electric core module structure can effectively utilize power battery box's space size, improves energy density. At present, the battery module consisting of the square aluminum shell battery core is widely applied, the traditional battery core module is complex in design structure, various in types of parts, complex in assembly process and low in energy density. Therefore, developing a battery cell module with a reasonable structure is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a square battery cell module which is simple in structure, small in number of parts, convenient and fast to install and high in energy density.
In order to achieve the above object, the present invention provides a square electrical core module, which includes an electrical core assembly, a casing assembly, a top cover assembly, an output assembly and a pair of pole output assemblies, wherein the electrical core assembly is disposed in the casing assembly, the top cover assembly is fastened to the top end of the casing assembly, the pair of pole output assemblies are disposed at two ends of the casing assembly, and the output assembly includes a pair of lead-out rows;
the output assembly is electrically connected with the electric core assembly, and each lead-out row of the output assembly is arranged in one of the pole-out assemblies;
the pole outlet assembly comprises three lead-out spaces which are used for being connected with other modules in series.
Preferably, the housing assembly comprises a pair of end cover plates, a pair of outer end plates and a pair of side plates, the end cover plates are respectively arranged at the front end and the rear end of the electric core group, and each outer end plate is arranged at the outer side of one end cover plate;
the pair of side plates are arranged on two sides of the electric core group, and the top end and the bottom end of each side plate are respectively provided with an insulating film.
Preferably, it includes utmost point base and utmost point protective cover to go out utmost point subassembly, go out utmost point protective cover joint in utmost point base top, three space of drawing forth is located respectively go out the front end and the both sides of utmost point base, draw forth the row by the utmost point protective cover stretches into extremely in the utmost point base.
Preferably, the bottom of play utmost point base is equipped with joint portion, go out utmost point base the front end with both sides all are equipped with the protruding portion, the top of outer end plate is equipped with the mounting hole, joint portion joint in the mounting hole, play utmost point protective cover joint in the protruding portion.
Preferably, the inner top surface of the pole outlet protective cover is provided with a retaining rib.
Preferably, the surface of the end cover plate facing the electric core group is provided with four wrap angles for wrapping the electric core group, the surface of the end cover plate facing the outer end plate is provided with a protruding part, the surface of the outer end plate is provided with a matching hole, and the protruding part is inserted into the matching hole.
Preferably, the two ends of the side plate are provided with buckling parts, and the buckling parts are buckled on the surface of the outer end plate deviating from the end cover plate.
Preferably, the battery core group comprises a plurality of battery core units arranged side by side along the front-back direction, and foam is arranged between every two adjacent battery core units;
the side plates are arranged on two sides of the plurality of battery cell units through heat conduction structure glue.
Preferably, the output assembly includes an FPC assembly, a plurality of bus bars, and a pair of the lead-out bars; wherein,
each battery cell unit is provided with a pair of polar columns, and the adjacent battery cell units are connected in series through the busbar;
the FPC assembly is arranged above the electric core group, and the acquisition part of the FPC assembly is connected to at least one busbar and used for acquiring voltage and temperature signals;
the pair of lead-out rows are respectively and electrically connected with a pair of polar columns with opposite positive and negative poles at the front end and the rear end of the electric core group.
Preferably, the top cover assembly comprises a tray, an insulating upper cover and a cable tie;
the tray is arranged at the top of the electric core group, the tray is provided with a groove which is respectively matched with the FPC assembly and the bus bar, and the FPC assembly and the bus bar are clamped in the groove;
the insulating upper cover is arranged above the tray and is connected with the tray through a buckle;
the tray is provided with a hole, the insulating upper cover is provided with a plurality of tie holes, and the tie passes through the hole and the tie holes to tie the wiring harness above the insulating upper cover.
The utility model relates to a square battery cell module, which has the beneficial effects that: the module serial row can be penetrated from three directions and used for serially connecting other modules, so that the module arrangement is convenient, the weight of the module serial row is reduced, and the cost is saved; the module has the advantages of simple structure, few types of parts, light weight, reduced cost and convenient installation.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 is a schematic structural diagram of a square cell module according to an exemplary embodiment of the present invention;
fig. 2 is an exploded schematic view of a square cell module according to an exemplary embodiment of the present invention;
fig. 3 is a schematic structural diagram illustrating a pole outlet assembly of a square cell module according to an exemplary embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pole outlet base in a square battery cell module according to an exemplary embodiment of the utility model;
fig. 5 is a schematic structural diagram illustrating a pole outlet protective cover of a square cell module according to an exemplary embodiment of the present invention;
fig. 6 is a schematic structural diagram of an end cover plate of a square cell module according to an exemplary embodiment of the present invention;
fig. 7 shows a structural schematic diagram of a tray of a square cell module according to an exemplary embodiment of the utility model.
Description of reference numerals:
1. the battery pack, 11, electric core unit, 12, bubble cotton, 2, casing subassembly, 21, end cover board, 211, cornerite, 212, bellying, 22, outer end plate, 23, curb plate, 24, heat conduction structure glue, 25, insulating film, 3, top cap subassembly, 31, tray, 32, insulating upper cover, 33, ribbon, 34, buckle, 4, output subassembly, 41, FPC subassembly, 42, busbar, 43, leading-out row, 5, utmost point subassembly, 51, utmost point base, 511, lead-out space, 512, joint portion, 52, utmost point protective cover, 521, the fender muscle.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
In order to solve the problems in the prior art, as shown in fig. 1 to 7, the utility model provides a square battery cell module, which comprises a battery cell assembly 1, a casing assembly 2, a top cover assembly 3, an output assembly 4 and a pair of pole outgoing assemblies 5, wherein the battery cell assembly 1 is arranged in the casing assembly 2, the top cover assembly 3 is buckled at the top end of the casing assembly 2, the pair of pole outgoing assemblies 5 are arranged at two ends of the casing assembly 2, and the output assembly 4 comprises a pair of lead-out rows 43;
the output assembly 4 is electrically connected with the electric core assembly 1, and each lead-out row 43 of the output assembly 4 is arranged in one pole-out assembly 5;
the anode assembly 5 includes three lead-out spaces 511 for connecting other modules in series.
The square battery cell module can penetrate into the series row from three directions and is used for connecting other modules in series, so that the module arrangement is convenient, the weight of the module series row is reduced, and the cost is saved; the module has the advantages of simple structure, few types of parts, light weight, reduced cost and convenient installation.
Specifically, the housing assembly 2 comprises a pair of end cover plates 21, a pair of outer end plates 22 and a pair of side plates 23, the pair of end cover plates 21 are respectively arranged at the front end and the rear end of the electric core pack 1, and each outer end plate 22 is arranged at the outer side of one end cover plate 21;
a pair of side plates 23 are provided on both sides of the electric core pack 1, and an insulating film 25 is provided on the top and bottom ends of each side plate 23.
The side plate 23 and the outer end plate 22 are made of aluminum, and the side plate 23 and the insulating film 25 are connected through a hot-pressing film process.
The two ends of the side plate 23 are provided with fastening portions, and the fastening portions are fastened on the surface of the outer end plate 22 departing from the end cover plate 21.
A pair of side plates 23 and a pair of outer end plates 22 are spliced into a square shell and fixed with the outer end plates 22 through welding, the wrap angle 211 of the end cover plate 21 is buckled on the electric core group 1, and the protruding part 212 of the end cover plate 21 is matched with the outer end plates 22 to play a limiting role.
The cathode assembly 5 includes a cathode base 51 and a cathode protective cover 52, the cathode protective cover 52 is fastened to the top of the cathode base 51, the three lead-out spaces 511 are respectively disposed at the front end and two sides of the cathode base 51, and the lead-out row 43 extends into the cathode base 51 from the cathode protective cover 52.
The extraction space 511 is arranged at the front end and two sides of the extraction base 51 and is used for penetrating a serial connection row to be connected with other modules in series, the serial connection row can adopt a copper bar or aluminum row, wherein the extraction space 511 at the front end of the extraction base 51 is a strip-shaped hole, the extraction spaces 511 at two sides of the extraction base 51 are of a hole-shaped structure formed by splicing the extraction base 51 and the extraction protective cover 52, the top surface of the extraction protective cover 52 is provided with three side walls, one end without the side walls is provided with a groove, the extraction row 43 of the output module 4 extends into the extraction base 51 through the groove, nuts can be preset in the extraction base 51, the extraction row 43 is fixed through bolts, when other modules are required to be connected in series, the serial connection row for connecting other modules in series penetrates through the extraction space 511 to be electrically connected with the extraction row 43 in the extraction base 51, so that the serial connection module can be connected with other modules in three directions, the module arrangement is convenient, the weight of the module series row is reduced, and the cost is saved.
The bottom of play utmost point base 51 is equipped with joint portion 512, is equipped with protruding stuck point on the joint portion 512, and the front end and the both sides of play utmost point base 51 all are equipped with the protruding portion, and the top of outer end plate 22 is equipped with the mounting hole, and joint portion 512 passes through protruding stuck point joint in the mounting hole, is equipped with the bayonet socket on one of them lateral wall of play utmost point protective cover 52 for the joint is in the protruding portion of the front end of play utmost point base 51. The other two opposite side walls of the anode-outlet protective cover 52 are provided with slots, and the anode-outlet protective cover 52 can be fastened in the slots through the protruding parts from top to bottom and fastened on the anode-outlet base 51.
The inner top surface of the pole outlet protective cover 52 is provided with a retaining rib 521. The blocking rib 521 is disposed at a front end of the pole outlet protection cover 52, i.e., a side wall provided with a bayonet, and is used for limiting the front and rear directions of the pole outlet protection cover 52.
The battery cell group 1 comprises a plurality of battery cell units 11 which are arranged side by side along the front-back direction, and foam 12 is arranged between every two adjacent battery cell units 11;
a pair of side plates 23 is provided on both sides of the plurality of cell units 11 by a heat conductive structural adhesive 24.
The heat conductive structure adhesive 24 is applied to the side plates 23 in advance to be connected to the cell group 1, and the foam 12 is used to absorb dimensional tolerance and swelling amount of the cell units 11 while reducing weight.
The output module 4 includes an FPC module 41, a plurality of bus bars 42, and a pair of lead-out bars 43; wherein,
each cell unit 11 is provided with a pair of poles, including a positive pole and a negative pole, the pair of poles may be disposed at the top end of the cell unit 11, or disposed at the top end and the bottom end of the cell unit 11, and the adjacent cell units 11 are connected in series by a busbar 42;
the FPC assembly 41 is arranged above the electric core assembly 1, the FPC assembly 41 is strip-shaped, two ends of the FPC assembly 41 can be clamped on the outer end plate 22, the FPC assembly 41 comprises a plurality of collecting parts, and the collecting parts of the FPC assembly 41 are connected to at least one bus bar 42 through welding and used for collecting voltage and temperature signals;
the pair of lead-out rows 43 are respectively and electrically connected with a pair of polar columns with opposite polarities at the front end and the rear end of the electric core group 1.
The FPC assembly 41 is used for measuring voltage and temperature signals of the cell group 1, the measuring signals are transmitted through the connectors, and the bus bars 42 are arranged on two sides of the FPC assembly 41 and used for connecting the adjacent cell units 11 in series. Each busbar 42 includes a pair of electrical connection portions for electrically connecting the positive electrode and the negative electrode of two adjacent cell units 11, respectively, and each output portion is provided with a positioning hole which corresponds to a hole in one pole of one cell unit 11 one by one and is fixed by welding. The lead-out rows 43 can be copper-aluminum combined rows, and a pair of lead-out rows 43 are respectively electrically connected to the positive pole column and the negative pole column of the cell unit 11 located at the front end and the rear end of the cell group 1 to form the positive pole and the negative pole of the module.
The top cover assembly 3 comprises a tray 31, an insulating upper cover 32 and a binding belt 33;
the tray 31 is arranged at the top of the electric core group 1, the tray 31 is provided with grooves respectively matched with the FPC assembly 41 and the bus bar 42, and the FPC assembly 41 and the bus bar 42 are clamped in the grooves;
the insulating upper cover 32 is arranged above the tray 31 and is connected with the tray 31 through a buckle 34;
the tray 31 is provided with an open hole, the insulating upper cover 32 is provided with a plurality of tie holes, and the tie 33 passes through the open hole and the tie holes to bind the wire harness above the insulating upper cover 32.
Ribbon 33 is fir type ribbon 33, and insulating upper cover 32 is equipped with the opening corresponding with tray 31, through buckle 34 interconnect, and ribbon 33 passes through the trompil joint in tray 31 to the trompil that passes tray 31 upwards stretches out by the opening of insulating upper cover 32, is used for side wiring on the module, has simplified the module structure.
The insulating upper cover 32 is made of a thin PC plastic layer, and the strength is increased through a plastic suction process.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A square battery cell module is characterized by comprising a battery cell group (1), a shell component (2), a top cover component (3), an output component (4) and a pair of pole-emitting components (5), wherein the battery cell group (1) is arranged in the shell component (2), the top cover component (3) is buckled at the top end of the shell component (2), the pair of pole-emitting components (5) are arranged at two ends of the shell component (2), and the output component (4) comprises a pair of lead-out rows (43);
the output assembly (4) is electrically connected with the electric core assembly (1), and each lead-out row (43) of the output assembly (4) is arranged in one of the pole-out assemblies (5);
the pole outlet assembly (5) comprises three outlet spaces (511) for connecting with other modules in series.
2. The square battery cell module according to claim 1, wherein the casing assembly (2) comprises a pair of end cover plates (21), a pair of outer end plates (22) and a pair of side plates (23), the end cover plates (21) are respectively arranged at the front end and the rear end of the battery cell group (1), and each outer end plate (22) is arranged at the outer side of one end cover plate (21);
the pair of side plates (23) are arranged on two sides of the electric core group (1), and the top end and the bottom end of each side plate (23) are respectively provided with an insulating film (25).
3. The square cell module according to claim 2, wherein the pole outlet assembly (5) comprises a pole outlet base (51) and a pole outlet protective cover (52), the pole outlet protective cover (52) is clamped on the top of the pole outlet base (51), the three lead-out spaces (511) are respectively arranged at the front end and two sides of the pole outlet base (51), and the lead-out row (43) extends into the pole outlet base (51) from the pole outlet protective cover (52).
4. The square battery cell module according to claim 3, wherein a clamping portion (512) is disposed at a bottom of the pole outlet base (51), protrusions are disposed at the front end and the two sides of the pole outlet base (51), a mounting hole is disposed at a top of the outer end plate (22), the clamping portion (512) is clamped in the mounting hole, and the pole outlet protective cover (52) is clamped in the protrusions.
5. The square battery cell module of claim 4, wherein the top inner surface of the pole outlet protective cover (52) is provided with a blocking rib (521).
6. The square battery cell module of claim 2, wherein the surface of the end cover plate (21) facing the battery core pack (1) is provided with four corners (211) for covering the battery core pack (1), the surface of the end cover plate (21) facing the outer end plate (22) is provided with a protrusion (212), the surface of the outer end plate (22) is provided with a matching hole, and the protrusion (212) is inserted into the matching hole.
7. The square battery cell module of claim 2, wherein buckling parts are arranged at two ends of the side plate (23), and the buckling parts are buckled on the surface of the outer end plate (22) departing from the end cover plate (21).
8. The square battery cell module according to claim 3, wherein the battery core group (1) comprises a plurality of battery cell units (11) arranged side by side along the front-back direction, and foam (12) is arranged between the adjacent battery cell units (11);
the pair of side plates (23) are arranged on two sides of the plurality of battery cell units (11) through heat conduction structural adhesive (24).
9. The square cell module according to claim 8, wherein the output assembly (4) comprises an FPC assembly (41), a plurality of bus bars (42), and a pair of the lead-out bars (43); wherein,
each battery cell unit (11) is provided with a pair of poles, and the adjacent battery cell units (11) are connected in series through the busbar;
the FPC assembly (41) is arranged above the electric core group (1), and the acquisition part of the FPC assembly (41) is connected to at least one busbar (42) and is used for acquiring voltage and temperature signals;
the pair of lead-out rows (43) are respectively and electrically connected with a pair of polar columns with opposite positive and negative poles at the front end and the rear end of the electric core group (1).
10. The square cell module according to claim 9, wherein the top cover assembly (3) comprises a tray (31), an insulating upper cover (32) and a tie (33);
the tray (31) is arranged at the top of the electric core group (1), the tray (31) is provided with grooves matched with the FPC assembly (41) and the bus bar (42) respectively, and the FPC assembly (41) and the bus bar (42) are clamped in the grooves;
the insulating upper cover (32) is arranged above the tray (31) and is connected with the tray (31) through a buckle (34);
be equipped with the trompil on tray (31), insulating upper cover (32) are equipped with a plurality of bandage holes, ribbon (33) pass the trompil with the bandage hole is in order to tie up the pencil in insulating upper cover (32) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174637.4U CN215342766U (en) | 2021-05-28 | 2021-05-28 | Square electricity core module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174637.4U CN215342766U (en) | 2021-05-28 | 2021-05-28 | Square electricity core module |
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| Publication Number | Publication Date |
|---|---|
| CN215342766U true CN215342766U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121174637.4U Active CN215342766U (en) | 2021-05-28 | 2021-05-28 | Square electricity core module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115579594A (en) * | 2022-12-07 | 2023-01-06 | 惠州亿纬锂能股份有限公司 | BDU box, BDU unit and PACK box |
| CN116404375A (en) * | 2023-05-31 | 2023-07-07 | 深圳海辰储能控制技术有限公司 | Energy storage module and energy storage system |
-
2021
- 2021-05-28 CN CN202121174637.4U patent/CN215342766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115579594A (en) * | 2022-12-07 | 2023-01-06 | 惠州亿纬锂能股份有限公司 | BDU box, BDU unit and PACK box |
| CN116404375A (en) * | 2023-05-31 | 2023-07-07 | 深圳海辰储能控制技术有限公司 | Energy storage module and energy storage system |
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