CN117578019A - Assembled battery pack - Google Patents
Assembled battery pack Download PDFInfo
- Publication number
- CN117578019A CN117578019A CN202311676270.XA CN202311676270A CN117578019A CN 117578019 A CN117578019 A CN 117578019A CN 202311676270 A CN202311676270 A CN 202311676270A CN 117578019 A CN117578019 A CN 117578019A
- Authority
- CN
- China
- Prior art keywords
- parts
- mounting
- battery
- holes
- shell
- 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.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 44
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 125000006850 spacer group Chemical group 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides an assembled battery pack, which comprises a battery mounting frame and a plurality of battery units, wherein the battery mounting frame comprises two shell parts and at least two partition members, the two shell parts are assembled according to longitudinal arrangement, the two shell parts are respectively arranged at the head position and the tail position, and the at least two partition members are arranged between the two shell parts; the shell member is provided with at least two mounting grooves which are transversely arranged, two end faces of the partition member are respectively provided with at least two mounting grooves which are transversely arranged, the mounting grooves on the shell member are mutually spliced with the mounting grooves on the adjacent partition member to form a mounting cavity for mounting the battery unit, and the mounting grooves on the adjacent partition member are mutually spliced with the mounting grooves on the adjacent partition member to form the mounting cavity for mounting the battery unit; the connecting column penetrating through each partition member is further provided with a connecting column, two end parts of the connecting column are respectively propped against the two shell members, through holes are formed in positions, propped against the end parts of the connecting column, of the two shell members to enable the end parts of the connecting column to be exposed, and fixing members penetrating through the through holes to fixedly install the end parts of the connecting column on the shell members are further provided.
Description
Technical Field
The invention relates to the technical field of battery packs, in particular to an assembled battery pack.
Background
With the rapid development of the fields of electric automobiles, energy storage and the like, the demand for battery packs is continuously increasing. A battery pack is generally composed of a plurality of battery cells connected in series or parallel. In the group battery working process, the current through each battery unit is different in the flow of the inside of the group battery, and each battery unit is not uniformly used, so that after the group battery is repeatedly charged and discharged for a long time, performance difference can appear among each battery unit in the group battery, and then the problem of local damage of the group battery can appear, the existing group battery is inconvenient to detach and replace the battery unit, and the group battery can only be replaced integrally generally, so that the cost is higher.
Disclosure of Invention
The invention aims to provide a battery pack with a battery unit convenient to detach and replace.
In order to solve the technical problems, the invention provides an assembled battery pack, which comprises a battery mounting frame and a plurality of battery units arranged on the battery mounting frame, wherein the battery mounting frame comprises two shell parts and at least two partition parts, the two shell parts are assembled in a longitudinal arrangement mode, the two shell parts are respectively arranged at a head position and a tail position, and the at least two partition parts are arranged between the two shell parts; the end faces of the shell parts facing the partition parts are provided with at least two mounting grooves which are arranged transversely, the two end faces of the partition parts facing the two shell parts respectively are provided with at least two mounting grooves which are arranged transversely, the mounting grooves on the shell parts are mutually spliced with the mounting grooves on the adjacent partition parts to form a mounting cavity for mounting the battery unit, and the mounting grooves on the adjacent partition parts are mutually spliced with the mounting grooves on the adjacent partition parts to form the mounting cavity for mounting the battery unit; the connecting column penetrating through each partition member is further arranged, two end parts of the connecting column are respectively propped against the two shell members, through holes are formed in the positions, propped against the end parts of the connecting column, of the two shell members so that the end parts of the connecting column are exposed, and fixing members penetrating through the through holes are further arranged so that the end parts of the connecting column are fixedly installed on the shell members.
Preferably, screw holes are formed in two end portions of the connecting column, and the fixing piece is a bolt.
Preferably, the diameter of the through hole is smaller than the diameter of the connecting column.
Preferably, through rings are arranged on two side surfaces of each partition, supporting rings are arranged on two side surfaces of each shell, the through rings on each partition correspond to the supporting rings on each shell, and after the connecting column penetrates through the through rings on each partition, two end parts respectively extend into the supporting rings supporting against the two shell.
Preferably, through holes are formed in the groove wall between the two mounting grooves of each partition, propping holes are formed in the groove wall between the two mounting grooves of each shell, the through holes in each partition correspond to the propping holes in each shell, and after the connecting columns penetrate through the through holes in each partition, the two end parts respectively extend into the propping holes in the two shell.
The battery pack comprises a data acquisition board arranged at the top, wherein the data acquisition board is provided with an electrical detection pole piece and a temperature sensor corresponding to each battery unit, an MCU module electrically connected with each electrical detection pole piece and each temperature sensor, and a data transmission interface electrically connected with the MCU module.
The invention has the following beneficial effects: after the fixing piece passes through the through hole to fixedly mount the end part of the connecting column on the shell pieces, the connecting column can assemble and fix the two shell pieces and each partition piece together; under the condition that a certain battery unit of the assembled battery pack is damaged, a user only needs to detach the fixing piece, so that the end part of the connecting column is not fixedly arranged on the outer shell, the two outer shell pieces and each partition piece can be separated from each other, and the battery unit arranged in the installation cavity is taken out for replacement.
Drawings
Fig. 1 is a schematic view of a assembled battery.
Fig. 2 is a split schematic of a assembled battery.
Fig. 3 is a schematic view of a assembled battery with a data acquisition board.
Fig. 4 is a bottom view of the data acquisition board.
Detailed Description
The invention is further described in detail below in connection with the detailed description.
Assembled battery pack is as shown in fig. 1, and comprises a battery mounting frame and sixteen battery units 1 mounted on the battery mounting frame, wherein the battery mounting frame comprises two shell parts 2 and seven partition members 3 which are assembled in a longitudinal arrangement mode, the two shell parts 2 are respectively arranged at the head position and the tail position, and the seven partition members 3 are arranged between the two shell parts 2. As shown in fig. 2, two mounting grooves 4 arranged transversely are arranged on the end faces of the casing member 2 facing the partition member 3, two mounting grooves 4 arranged transversely are respectively arranged on the two end faces of the partition member 3 facing the two casing members 2, the mounting grooves 4 on the two end faces of the partition member 3 are corresponding in position and same in groove width, and the mounting grooves 4 on the casing member 2 correspond to the mounting grooves 4 on the partition member 3 in position and same in groove width, so that the mounting grooves 4 on the casing member 2 are mutually spliced with the adjacent partition member 3 to form two mounting cavities for mounting the battery unit 1, and the mounting grooves 4 on the adjacent partition member 3 are mutually spliced to form two mounting cavities for mounting the battery unit 1.
In this embodiment, the first and the last housing members 2 are assembled with the seven spacers 3 therebetween to form sixteen mounting cavities, and sixteen battery units 1 can be mounted. In other embodiments, more than two other number of spacers 3 may be used to form the battery mounting frame, for example, two spacers 3 are used, such that two housing members 2 are assembled with two spacers 3 to form six mounting cavities, six battery units 1 can be mounted, or three spacers 3 are used, such that two housing members 2 are assembled with three spacers 3 to form eight mounting cavities, and eight battery units 1 … … can be mounted. The battery mounting frame may also be formed by using the case member 2 having more than two other number of mounting grooves 4 and the spacer 3 having more than two other number of mounting grooves 4 on each end face, for example, using the case member 2 having three mounting grooves 4 and the spacer 3 having three mounting grooves 4 on each end face, so that twenty-four mounting cavities are enclosed after two case members 2 are combined with seven spacers 3, twenty-four battery units 1 can be mounted, or using the case member 2 having four mounting grooves 4 and the spacer 3 having four mounting grooves 4 on each end face, so that thirty-two mounting cavities are enclosed after two case members 2 are combined with seven spacers 3, thirty-two battery units 1 … … can be mounted.
In this embodiment, two through rings 8 are respectively disposed on two side surfaces of each spacer 3, two through holes 9 are formed in the groove wall between two mounting grooves 4 of each spacer 3, two propping rings 10 are respectively disposed on two side surfaces of each housing member 2, two propping holes 11 are formed in the groove wall between two mounting grooves 4 of each housing member 2, the through rings 8 on each spacer 3 correspond to the positions of the propping rings 10 on each housing member 2, and the through holes 9 on each spacer 3 correspond to the positions of the propping holes 11 on each housing member 2. The assembled battery pack is further provided with six connecting columns 5, the six connecting columns 5 penetrate through penetrating rings 8 and penetrating holes 9 on the partition pieces 3 respectively, wherein after the four connecting columns 5 penetrate through penetrating rings 8 outside two sides of the partition pieces 3, two end parts of each connecting column 5 respectively extend into supporting rings 10 supporting against the two shell pieces 2, and after the other two connecting columns 5 penetrate through the penetrating holes 9 of the partition pieces 3, two end parts of each connecting column 5 respectively extend into supporting against holes 11 supporting against the two shell pieces 2. Screw holes are formed in the two end parts of each connecting column 5, through holes 6 are formed in the positions, abutting against the end parts of the connecting columns 5, of the two shell parts 2, twelve through holes 6 are formed, the aperture of each through hole 6 is smaller than the diameter of each connecting column 5, and the twelve through holes 6 are respectively communicated into the abutting rings 10 or the abutting holes 11 so that the screw holes in the end parts of the six connecting columns 5 are exposed; the assembled battery pack is further provided with twelve bolts 7 serving as fixing members, the twelve bolts 7 are respectively arranged on two end parts of the six connecting columns 5 through the through holes 6, so that the end parts of the six connecting columns 5 are fixedly arranged on the shell members 2, and the seven partition members 7 are assembled and fixed together through the six connecting columns 5 by the two shell members 2 to form a battery mounting frame.
In the process of assembling the battery pack, a first housing member 2 is firstly placed, then two battery units 1 are placed in two mounting grooves 4 of the first housing member 2, then the first separator 3 is assembled with the first housing member 2, the mounting groove 4 of the first separator 3 and the mounting groove 4 of the first housing member 2 enclose a mounting cavity, two battery units 1 in the two mounting grooves 4 of the first housing member 2 are clamped, then the two battery units 1 are placed in the two mounting grooves 4 on the other end face of the first separator 3, then the second separator 3 is assembled with the first separator 3, the mounting groove 4 of the second separator 3 and the mounting groove 4 of the first separator 3 enclose a mounting cavity, the two battery units 1 and … … in the two mounting grooves 4 of the first separator 3 are clamped, after seven separators 3 are assembled repeatedly, the two battery cells 1 are placed in the two mounting grooves 4 of the seventh separator 3, then six connecting posts 5 are passed through the through-rings 8 and the through-holes 9 on the seven separators 3 until the ends are inserted into the through-rings 10 and the through-holes 11 that are abutted against the first casing member 2, then the second casing member 2 is spliced with the seventh separator 3, the mounting grooves 4 of the second casing member 2 and the mounting grooves 4 of the seventh separator 3 are made to enclose the mounting cavities, the two battery cells 1 in the two mounting grooves 4 of the seventh separator 3 are clamped, and the other ends of the six connecting posts 5 are inserted into the through-rings 10 and the through-holes 11 that are abutted against the second casing member 2, then twelve bolts 7 are installed through the through-holes 6 on the two ends of the six connecting posts 5, so that the ends of the six connecting posts 5 are fixedly installed on the two casing members 2, the two shell parts 2 are assembled and fixed with seven partition parts 3 through six connecting posts 5 to form a battery mounting frame, and the battery mounting frame clamps the battery units 1 in the mounting cavity to form an assembled battery pack. Under the condition that a certain battery unit 1 of the assembled battery pack is damaged, a user only needs to detach the bolts 7, the end parts of the connecting columns 5 are not fixedly installed on the outer shell 2 any more, and the two outer shell pieces 2 and the seven partition pieces 3 can be separated from each other, so that the battery unit 1 is not clamped by the installation cavity of the battery installation rack, and the user can take out the battery unit 1 installed in the installation cavity for replacement.
In other embodiments, the top of the assembled battery pack is provided with a data acquisition board 12, as shown in fig. 3 and 4, the bottom of the data acquisition board 12 is provided with an electrical detection pole piece 13 and a temperature sensor 14 corresponding to each battery unit 1 on the assembled battery pack, an MCU module (Microcontroller Unit, micro control unit) electrically connected with each electrical detection pole piece 13 and each temperature sensor 14 is arranged in the data acquisition board 12, the side edge of the data acquisition board 12 is provided with a data transmission interface 15 electrically connected with the MCU module, the MCU module detects electrical data such as voltage and current of each battery unit 1 by using the electrical detection pole piece 13, detects temperature data of each battery unit 1 by using the temperature sensor 14, and transmits the detected electrical data and temperature data to a display device by using the data transmission interface 15, so that a user can check the working state of each battery unit 1 and judge whether abnormality occurs.
The above-described embodiments are provided for the present invention only and are not intended to limit the scope of patent protection. Insubstantial changes and substitutions can be made by one skilled in the art in light of the teachings of the invention, as yet fall within the scope of the claims.
Claims (6)
1. Assembled battery, including battery mounting bracket and install a plurality of battery cell (1) on the battery mounting bracket, characterized by: the battery mounting frame comprises two shell parts (2) and at least two partition members (3) which are assembled in a longitudinal arrangement mode, wherein the two shell parts (2) are respectively arranged at the head position and the tail position, and the at least two partition members (3) are arranged between the two shell parts (2); at least two mounting grooves (4) which are arranged transversely are arranged on the end faces of the shell parts (2) facing the partition parts (3), at least two mounting grooves (4) which are arranged transversely are respectively arranged on the two end faces of the partition parts (3) facing the two shell parts (2), the mounting grooves (4) on the shell parts (2) are mutually spliced with the adjacent partition parts (3) to form a mounting cavity for mounting the battery unit (1), and the mounting grooves (4) on the adjacent partition parts (3) are mutually spliced to form a mounting cavity for mounting the battery unit (1); the connecting column (5) penetrating through each partition (3) is further arranged, two end parts of the connecting column (5) are respectively propped against the two shell parts (2), through holes (6) are formed in positions, propped against the end parts of the connecting column (5), of the two shell parts (2) to enable the end parts of the connecting column (5) to be exposed, and fixing pieces (7) penetrating through the through holes (6) to enable the end parts of the connecting column (5) to be fixedly installed on the shell parts (2) are further arranged.
2. Assembled battery according to claim 1, characterized in that the two ends of the connecting post (5) are provided with screw holes and the fixing element (7) is a bolt.
3. Assembled battery according to claim 1, characterized in that the aperture of the through hole (6) is smaller than the diameter of the connecting post (5).
4. Assembled battery according to claim 1, characterized in that the two sides of each spacer (3) are provided with through rings (8), the two sides of each housing part (2) are provided with supporting rings (10), the through rings (8) on each spacer (3) correspond to the supporting rings (10) on each housing part (2), and the two ends respectively extend into the supporting rings (10) supporting against the two housing parts (2) after the connecting posts (5) penetrate through the through rings (8) on each spacer (3).
5. Assembled battery according to claim 1 or 4, characterized in that through holes (9) are formed in the groove wall between the two mounting grooves (4) of each spacer (3), supporting holes (11) are formed in the groove wall between the two mounting grooves (4) of each housing part (2), the through holes (9) on each spacer (3) correspond to the supporting holes (11) on each housing part (2), and after the connecting posts (5) penetrate through the through holes (9) on each spacer (3), the two end parts respectively extend into the supporting holes (10) supporting against the two housing parts (2).
6. The assembled battery pack according to claim 1, comprising a data acquisition board (12) mounted on the top, wherein the data acquisition board (12) is provided with an electrical detection pole piece (13) and a temperature sensor (14) corresponding to each battery unit (1), an MCU module electrically connected with each electrical detection pole piece (13) and each temperature sensor (14), and a data transmission interface (15) electrically connected with the MCU module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311676270.XA CN117578019A (en) | 2023-12-07 | 2023-12-07 | Assembled battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311676270.XA CN117578019A (en) | 2023-12-07 | 2023-12-07 | Assembled battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117578019A true CN117578019A (en) | 2024-02-20 |
Family
ID=89889959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311676270.XA Pending CN117578019A (en) | 2023-12-07 | 2023-12-07 | Assembled battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117578019A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210313637A1 (en) * | 2018-09-20 | 2021-10-07 | Sanyo Electric Co., Ltd. | Battery module |
| US20230033443A1 (en) * | 2021-07-30 | 2023-02-02 | Flex-N-Gate Advanced Product Development, Llc | Prismatic battery cell separator and module using same |
-
2023
- 2023-12-07 CN CN202311676270.XA patent/CN117578019A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210313637A1 (en) * | 2018-09-20 | 2021-10-07 | Sanyo Electric Co., Ltd. | Battery module |
| US20230033443A1 (en) * | 2021-07-30 | 2023-02-02 | Flex-N-Gate Advanced Product Development, Llc | Prismatic battery cell separator and module using same |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |