CN216250964U - Battery pack module - Google Patents
Battery pack module Download PDFInfo
- Publication number
- CN216250964U CN216250964U CN202122560248.1U CN202122560248U CN216250964U CN 216250964 U CN216250964 U CN 216250964U CN 202122560248 U CN202122560248 U CN 202122560248U CN 216250964 U CN216250964 U CN 216250964U
- Authority
- CN
- China
- Prior art keywords
- module
- pcb
- board
- upper cover
- row
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005192 partition Methods 0.000 claims abstract description 55
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a battery pack module, which comprises a module shell, a module upper cover plate, a plurality of single batteries, a PCB acquisition board and a BMS lithium battery protection board, wherein the single batteries, the PCB acquisition board and the BMS lithium battery protection board are arranged in the module shell, the single batteries are arranged in the module shell in a matrix manner, each row of single batteries are arranged between two adjacent transverse partition boards in the module shell or between the module shell and the transverse partition boards, and two adjacent single batteries in each row of single batteries are separated by two corresponding longitudinal partition boards on the two transverse partition boards. According to the utility model, the transverse partition plate and the longitudinal partition plate are arranged in the module shell, so that the adjacent single electric cores are separated, and a heat dissipation expansion gap or a heat dissipation expansion groove is formed between the adjacent single electric cores in a row of single electric cores, so that the heat dissipation space and the expansion space of the electric cores are increased, and the safety and reliability of the battery pack module are improved.
Description
Technical Field
The utility model relates to the technical field of power battery systems, in particular to a battery pack module.
Background
With the vigorous support of national policies, new energy electric vehicles become more and more popular in China, and meanwhile, the safety problem of the electric vehicles is also more and more serious. At present, a power battery used by a new energy electric automobile is mainly a lithium ion battery. When the battery pack is used, a certain number of batteries of the lithium ion batteries are overlapped and assembled together in a series or parallel connection mode to form a battery module, and then the battery module is installed in the battery box body to finally form the battery pack for use. However, during the use of the electric vehicle, the single electric core in the battery pack is likely to generate heat and expand by heat, which may cause a safety accident.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery pack module which is simple in structure, increases a heat dissipation space and an expansion space between single electric cores, and improves the safety and reliability of the battery pack module.
The technical scheme of the utility model is as follows:
a battery pack module comprises a module shell, a module upper cover plate, a plurality of single battery cells arranged in the module shell, a PCB (printed circuit board) acquisition board and a BMS (battery management system) lithium battery protection board;
the module shell is internally provided with at least one transverse partition plate, each transverse partition plate is fixedly provided with a row of longitudinal partition plates vertical to the transverse partition plate, the part of each transverse partition plate, which is positioned between two adjacent longitudinal partition plates, is provided with a heat dissipation expansion groove with an upward opening, each transverse partition plate and a row of longitudinal partition plates on the transverse partition plates are consistent in top end horizontal height and bottom end horizontal height, two rows of longitudinal partition plates on any two adjacent transverse partition plates are in one-to-one correspondence, and a heat dissipation expansion gap is formed between two rows of longitudinal partition plates on two adjacent transverse partition plates;
the single battery cores are arranged in a matrix, each row of single battery cores is arranged between two adjacent transverse clapboards or between the module shell and the transverse clapboards, and two adjacent single battery cores in each row of single battery cores are separated by two corresponding longitudinal clapboards on the two transverse clapboards;
the PCB acquisition board is connected to the top end of the module shell, and an overcurrent bar on the PCB acquisition board is welded with the single electric core;
BMS lithium battery protection board be located PCB acquisition board top and be connected with PCB acquisition board communication, the module upper cover plate links firmly in the top of module casing, and BMS lithium battery protection board and PCB acquisition board encapsulate in the inner chamber of module upper cover plate.
Two long limit inner walls of module casing on all be provided with the check blend stop of one row of vertical setting, every row of check blend stop and adjacent transverse baffle go up one row of longitudinal baffle one-to-one, form heat dissipation expansion gap between check blend stop and the longitudinal baffle that corresponds.
The battery pack module still including the tray frame, the tray frame is located the PCB and gathers the board under, tray frame and PCB gather the board and all pass through bolted connection on the PCB fixed column on module casing top, be provided with a plurality of electric core welding hole of stepping down on the tray frame, and the temperature-sensing hole of stepping down, be fixed with the shelves strip of violently indulging cross arrangement on the lower terminal surface of tray frame, the electric core constant head tank of a plurality of matrix arrangements is cut apart into with the lower terminal surface of tray frame to the shelves strip, the top of a plurality of single electric cores is located the electric core constant head tank that corresponds, be provided with a plurality of location screw posts on the up end of tray frame, a plurality of locating holes on PCB collection board and the BMS lithium battery protection board are located respectively on a plurality of location screw posts, thereby make PCB collection board and BMS lithium battery protection board location connection on the tray frame.
The PCB gathers the board on be provided with and is used for overflowing the row of being connected with single electric core, be provided with the temperature sensor who is connected with the PCB collection board on the lower terminal surface of PCB collection board, be provided with the connector of being connected with the PCB collection board on the up end of PCB collection board, the PCB collection board carries out the communication through connector and BMS lithium battery protection board and is connected.
An insulating plate is arranged between the PCB acquisition board and the BMS lithium battery protection board.
The module upper cover plate is provided with a mounting hole, and a connecting bolt penetrates through the mounting hole on the module upper cover plate and is positioned and connected to an upper cover fixing column at the top end of the module shell; the bottom end of the upper cover plate of the module is provided with a circle of raised sealing clamping strips, the top end of the module shell is provided with a circle of sealing clamping grooves, sealing glue is arranged in the sealing clamping grooves, and the circle of sealing clamping strips of the upper cover plate of the module are clamped in the circle of sealing clamping grooves of the module shell; the module upper cover plate is provided with a positioning rib plate used for pressing the limiting PCB collecting plate on the inner top surface, and the module upper cover plate is further provided with a waterproof vent valve and a waterproof glue filling structure.
The utility model has the advantages that:
(1) according to the utility model, the transverse partition plate and the longitudinal partition plate are arranged in the module shell, so that the adjacent single electric cores are separated, and a heat dissipation expansion gap or a heat dissipation expansion groove is formed between the adjacent single electric cores in a row of single electric cores, so that the heat dissipation space and the expansion space of the electric cores are increased, and the safety and reliability of the battery pack module are improved;
(2) the PCB acquisition board is integrated with the wiring harness, the overcurrent bar, the temperature sensor and the connector, so that the PCB acquisition board is connected with the single battery core through the overcurrent bar and outputs a voltage acquisition signal, the connector enables the PCB acquisition board to be connected with the BMS lithium battery protection board, and the module is neat in whole and free of complex wiring harnesses;
(3) the battery cell positioning groove of the tray separates the single battery cells, and the positioning screw column of the tray is used for positioning and connecting the PCB acquisition board and the BMS lithium battery protection board;
(4) the utility model is provided with the insulating plate for insulating protection and preventing the BMS lithium battery protection plate and the PCB acquisition plate from contacting short circuit.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic structural diagram of the module housing according to the present invention.
Fig. 3 is a schematic top view of the tray rack of the present invention.
Fig. 4 is a schematic bottom view of the tray rack of the present invention.
Fig. 5 is a schematic top view of the PCB acquisition board of the present invention.
Fig. 6 is a schematic bottom view of the PCB collecting board of the present invention.
FIG. 7 is a schematic top view of the top cover plate of the module of the present invention.
FIG. 8 is a schematic bottom view of the upper cover plate of the module of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a battery pack module comprises a module housing 1, a module upper cover plate 2, sixteen single cells 3 arranged in the module housing 1, a tray frame 4, a PCB acquisition board 5, an insulating board 6 and a BMS lithium battery protection board 7;
a transverse partition plate 11 is arranged in the module shell 1, a row of longitudinal partition plates 12 perpendicular to the transverse partition plates 11 are fixed on the transverse partition plates 11, a heat dissipation expansion groove 13 with an upward opening is formed in a part, located between every two adjacent longitudinal partition plates 12, of each transverse partition plate 11, the transverse partition plates 11 and the row of longitudinal partition plates 12 on the transverse partition plates 11 are consistent in top end horizontal height and bottom end horizontal height, a row of vertically arranged grid barrier strips 14 are arranged on the inner walls of two long edges of the module shell 1, each row of grid barrier strips 14 is in one-to-one correspondence with the row of longitudinal partition plates 12 on the adjacent transverse partition plates 11, and heat dissipation expansion gaps are formed between the grid barrier strips 14 and the corresponding longitudinal partition plates 12;
sixteen single electric cores 3 are arranged in a matrix, two rows of single electric cores 3 are arranged between the module shell 1 and the transverse partition plates 11, and two adjacent single electric cores 3 in each row of single electric cores are separated by two corresponding longitudinal partition plates 12 on the two transverse partition plates 11 or the longitudinal partition plates 12 and the corresponding grid barrier strips 14;
the tray frame 4 is positioned under the PCB acquisition board 5, the tray frame 4 and the PCB acquisition board 5 are both connected to a PCB fixing column 15 at the top end of the module shell 1 through a bolt, thirty-two cell welding abdicating holes 41 and a temperature sensing abdicating hole 42 are arranged on the tray frame 4, a blocking strip 43 which is transversely and longitudinally crossed is fixed on the lower end surface of the tray frame 4, the blocking strip 43 divides the lower end surface of the tray frame 4 into sixteen matrix-arranged cell positioning slots 44, the top ends of sixteen single cells 3 are positioned in the corresponding cell positioning slots 44, four positioning screw columns 45 are arranged on the upper end surface of the tray frame 4, and four positioning holes 51 on the PCB acquisition board 5 and the lithium battery protection board 7 are positioned on the four positioning screw columns 45, so that the PCB acquisition board 5 and the lithium battery protection board 7 are positioned and connected to the tray frame 4;
the PCB acquisition board 5 is provided with an overcurrent bar 52 used for being connected with the single electric core 3, the lower end face of the PCB acquisition board 5 is provided with a temperature sensor 53 connected with the PCB acquisition board 5, the upper end face of the PCB acquisition board 5 is provided with a connector 54 connected with the PCB acquisition board, and the PCB acquisition board 5 is in communication connection with the BMS lithium battery protection board 7 through the connector 54;
the BMS lithium battery protection board 7 is positioned above the PCB acquisition board 5 and is in communication connection with the PCB acquisition board 5, and an insulation board 6 is arranged between the PCB acquisition board 5 and the BMS lithium battery protection board 7;
be provided with mounting hole 21 on module upper cover plate 2, connecting bolt passes mounting hole 21 location connection on the module upper cover plate on the upper cover fixed column 16 on 1 top of module casing, 2 bottom of module upper cover plate are provided with the bellied sealed draw-in groove 22 of round, the top of module casing is provided with the sealed draw-in groove 17 of round, be provided with sealed glue in the sealed draw-in groove 17, the sealed draw-in groove 17 of round of draw-in groove of module casing is arranged in to the sealed draw-in groove 22 card of module upper cover plate, BMS lithium battery protection board 7 and PCB acquisition board 5 encapsulate in the inner chamber of module upper cover plate 2, be provided with the location gusset 23 that is used for pressing to put spacing PCB acquisition board on the interior top surface of module upper cover plate 2, still install waterproof breather valve 24 (see figure 1) and waterproof encapsulating structure 25 on module upper cover plate 2.
When the battery pack module is installed, firstly, sixteen single electric cores 3 are arranged in a module shell 1, each row of the single electric cores 3 is arranged between two adjacent transverse partition plates 11 or between the module shell 1 and the transverse partition plates 11, and two adjacent single electric cores 3 in each row of the single electric cores are separated by two corresponding longitudinal partition plates 12 or longitudinal partition plates 12 and corresponding grid baffle strips 14 on the two transverse partition plates 11, then a tray frame 4 and a PCB acquisition board 5 are both connected on a PCB fixing column 15 at the top end of the module shell 1 through bolts, a positioning hole 51 of the PCB acquisition board 5 is positioned on a positioning screw column 45 of the tray frame 4, then an overcurrent row 52 on the PCB acquisition board 5 is welded with a pole piece of the single electric core 3, a temperature sensor 53 on the PCB acquisition board 5 penetrates through a temperature sensing yielding hole 42 on the tray frame to be in contact with the single electric core 3 for acquiring temperature, then an insulation board 6 and a protection board of a lithium battery 7 are positioned on the positioning screw column 45 of the tray frame 4, BMS lithium battery protection board 7 is connected the communication with connector 54 on the PCB acquisition board 5, thereby gather the electric core temperature and the voltage signal transmission that board 5 gathered with the PCB and give BMS lithium battery protection board 7, arrange the sealed draw-in groove 17 of the round of module casing 1 in with the sealed card strip 22 card of module upper cover plate 2 at last, pass mounting hole 21 location connection on module upper cover plate 2 on the upper cover fixed column 16 on module casing 1 top with connecting bolt again, thereby with module upper cover plate 2 fixed connection in the top of module casing 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a battery pack module which characterized in that: the battery pack comprises a module shell, a module upper cover plate, a plurality of single battery cells arranged in the module shell, a PCB acquisition board and a BMS lithium battery protection board;
the module shell is internally provided with at least one transverse partition plate, each transverse partition plate is fixedly provided with a row of longitudinal partition plates vertical to the transverse partition plate, the part of each transverse partition plate, which is positioned between two adjacent longitudinal partition plates, is provided with a heat dissipation expansion groove with an upward opening, each transverse partition plate and a row of longitudinal partition plates on the transverse partition plates are consistent in top end horizontal height and bottom end horizontal height, two rows of longitudinal partition plates on any two adjacent transverse partition plates are in one-to-one correspondence, and a heat dissipation expansion gap is formed between two rows of longitudinal partition plates on two adjacent transverse partition plates;
the single battery cores are arranged in a matrix, each row of single battery cores is arranged between two adjacent transverse clapboards or between the module shell and the transverse clapboards, and two adjacent single battery cores in each row of single battery cores are separated by two corresponding longitudinal clapboards on the two transverse clapboards;
the PCB acquisition board is connected to the top end of the module shell, and an overcurrent bar on the PCB acquisition board is welded with the single electric core;
BMS lithium battery protection board be located PCB acquisition board top and be connected with PCB acquisition board communication, the module upper cover plate links firmly in the top of module casing, and BMS lithium battery protection board and PCB acquisition board encapsulate in the inner chamber of module upper cover plate.
2. The battery pack module as claimed in claim 1, wherein: two long limit inner walls of module casing on all be provided with the check blend stop of one row of vertical setting, every row of check blend stop and adjacent transverse baffle go up one row of longitudinal baffle one-to-one, form heat dissipation expansion gap between check blend stop and the longitudinal baffle that corresponds.
3. The battery pack module as claimed in claim 1, wherein: the battery pack module still including the tray frame, the tray frame is located the PCB and gathers the board under, tray frame and PCB gather the board and all pass through bolted connection on the PCB fixed column on module casing top, be provided with a plurality of electric core welding hole of stepping down on the tray frame, and the temperature-sensing hole of stepping down, be fixed with the shelves strip of violently indulging cross arrangement on the lower terminal surface of tray frame, the electric core constant head tank of a plurality of matrix arrangements is cut apart into with the lower terminal surface of tray frame to the shelves strip, the top of a plurality of single electric cores is located the electric core constant head tank that corresponds, be provided with a plurality of location screw posts on the up end of tray frame, a plurality of locating holes on PCB collection board and the BMS lithium battery protection board are located respectively on a plurality of location screw posts, thereby make PCB collection board and BMS lithium battery protection board location connection on the tray frame.
4. The battery pack module as claimed in claim 1, wherein: the PCB gathers the board on be provided with and is used for overflowing the row of being connected with single electric core, be provided with the temperature sensor who is connected with the PCB collection board on the lower terminal surface of PCB collection board, be provided with the connector of being connected with the PCB collection board on the up end of PCB collection board, the PCB collection board carries out the communication through connector and BMS lithium battery protection board and is connected.
5. The battery pack module as claimed in claim 1, wherein: an insulating plate is arranged between the PCB acquisition board and the BMS lithium battery protection board.
6. The battery pack module as claimed in claim 1, wherein: the module upper cover plate is provided with a mounting hole, and a connecting bolt penetrates through the mounting hole on the module upper cover plate and is positioned and connected to an upper cover fixing column at the top end of the module shell; the bottom end of the upper cover plate of the module is provided with a circle of raised sealing clamping strips, the top end of the module shell is provided with a circle of sealing clamping grooves, sealing glue is arranged in the sealing clamping grooves, and the circle of sealing clamping strips of the upper cover plate of the module are clamped in the circle of sealing clamping grooves of the module shell; the module upper cover plate is provided with a positioning rib plate used for pressing the limiting PCB collecting plate on the inner top surface, and the module upper cover plate is further provided with a waterproof vent valve and a waterproof glue filling structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122560248.1U CN216250964U (en) | 2021-10-22 | 2021-10-22 | Battery pack module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122560248.1U CN216250964U (en) | 2021-10-22 | 2021-10-22 | Battery pack module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250964U true CN216250964U (en) | 2022-04-08 |
Family
ID=80990274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122560248.1U Active CN216250964U (en) | 2021-10-22 | 2021-10-22 | Battery pack module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216250964U (en) |
-
2021
- 2021-10-22 CN CN202122560248.1U patent/CN216250964U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108140765B (en) | Battery module | |
| CN210349920U (en) | Soft packet of lithium cell module structure | |
| CN212695263U (en) | Battery module structure | |
| CN113764799A (en) | Single battery, battery module and battery pack | |
| CN113224435B (en) | High specific energy battery pack | |
| CN107507933A (en) | A kind of back-to-back type rectangular cell module | |
| CN108206248B (en) | Integrated cover plate for battery module | |
| CN214505696U (en) | Battery module for vehicle | |
| CN216250964U (en) | Battery pack module | |
| CN114388968A (en) | Non-module battery pack integration device adopting soft package battery core | |
| CN112635883B (en) | New energy automobile battery package | |
| CN117013285B (en) | High-low voltage integrated connecting piece, BDU and processing method thereof | |
| CN211828986U (en) | Battery box | |
| US10930908B2 (en) | Battery module housing, battery module, battery pack, battery and vehicle, and also method for producing a battery module, a battery pack and a battery | |
| CN216054966U (en) | High specific energy battery pack | |
| CN216213802U (en) | Single battery, battery module and battery pack | |
| CN105977555A (en) | Modular battery pack system | |
| CN221080294U (en) | Non-bus bar battery module and battery pack | |
| CN216698629U (en) | Battery module and battery pack | |
| CN112490575B (en) | Battery module unitized construction | |
| CN113410565A (en) | Simplified installation method of energy storage battery | |
| KR20200059688A (en) | Electric wiring guide frame for power supply module | |
| CN103515556A (en) | Battery module combination structure suitable for quick-change battery box of pure electric bus | |
| CN203481299U (en) | Battery module combined structure suitable for quick-change battery box of pure electric bus | |
| CN218101500U (en) | Battery module structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |