CN112968241A - Lithium ion battery with built-in protection board and high safety performance - Google Patents
Lithium ion battery with built-in protection board and high safety performance Download PDFInfo
- Publication number
- CN112968241A CN112968241A CN202110127778.9A CN202110127778A CN112968241A CN 112968241 A CN112968241 A CN 112968241A CN 202110127778 A CN202110127778 A CN 202110127778A CN 112968241 A CN112968241 A CN 112968241A
- Authority
- CN
- China
- Prior art keywords
- partition plates
- built
- lithium ion
- ion battery
- main partition
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium ion battery with high safety performance and a built-in protection plate, which comprises an outer frame, wherein a protection component is placed in the outer frame, the protection component consists of two main partition plates and a plurality of groups of longitudinal components which are respectively and symmetrically arranged on the side edges of the two main partition plates, and fastening components are respectively arranged at the end parts of the two main partition plates and at the two ends of each group of longitudinal components; a through groove for penetrating one end of a longitudinal assembly is formed in the surface of each main partition plate, a plurality of groups of fixing plates are symmetrically fixed on opposite surfaces of the two main partition plates, and the number of each group of fixing plates is two; through the protective part who sets up, can separate lithium cell piece one by one to avoid certain lithium cell to appear overheated phenomenon and influence other lithium cells, improve protective capacities, make holistic security performance promoted, protective part can make according to the lithium cell piece of equidimension not and adjust simultaneously, uses more in a flexible way.
Description
Technical Field
The invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium ion battery with a built-in protection plate and high safety performance.
Background
The lithium ion battery is a secondary battery, which mainly depends on the movement of lithium ions between a positive electrode and a negative electrode to work, and Li + is inserted and extracted back and forth between the two electrodes in the charging and discharging process: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.
The existing lithium ion battery is directly placed in the shell in installation, and has no protective structure, once a certain lithium battery is overheated, the battery can be quickly transmitted to other lithium battery blocks, so that the existing lithium ion battery has great danger in actual use, and has an improvable space.
Disclosure of Invention
The present invention is directed to a lithium ion battery with a built-in protection plate having high safety performance, so as to solve the problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: a lithium ion battery with high safety performance and a built-in protection plate comprises an outer frame, wherein a protection component is placed in the outer frame, the protection component is composed of two main partition plates and a plurality of groups of longitudinal assemblies which are symmetrically arranged on the side edges of the two main partition plates respectively, and fastening assemblies are arranged at the end parts of the two main partition plates and at the two ends of each group of longitudinal assemblies; the surface of each main partition board is provided with a through groove for penetrating one end of a longitudinal assembly, a plurality of groups of fixing plates are symmetrically fixed on opposite surfaces of the two main partition boards, the number of the fixing plates in each group is two, the fixing plates are distributed on two sides of an opening of the through groove, the longitudinal assembly is composed of two symmetrical side partition boards, and a fastening assembly for penetrating one end of the through groove through the two side partition boards is fixed on the inner side surface of the top of each fixing plate.
Preferably, the fastening assembly is composed of fastening studs and fastening nuts, the fastening studs are sleeved at two ends of the fastening nuts and are in threaded connection with the fastening nuts, and the fastening studs are in through connection with the two main partition plates and two ends of the longitudinal assembly.
Preferably, the inner side of the longitudinal assembly is provided with a plurality of connecting springs, and two ends of each connecting spring are fixedly connected with the inner side surface of the side partition plate.
Preferably, a plurality of the main partition plates are installed inside.
Preferably, a plurality of lithium battery blocks are placed in the outer frame, each group of longitudinal assemblies are located on the inner sides of every two longitudinally arranged lithium battery blocks, a separation block is fixed on the surface of the side partition board facing the lithium battery blocks, and the separation block is in spacing fit with the surface of the lithium battery blocks.
Preferably, two side separators are positioned at the inner side of every two rows of the lithium battery blocks.
Preferably, the length of the side partition is one point three times of the length of the lithium battery blocks, and the length of the main partition is one point three times of the total length of each row of the lithium battery blocks.
Preferably, a plurality of partition plates are arranged in the outer frame at equal intervals, an independent cavity groove is formed between every two partition plates, quartz sand is placed in the cavity groove, a cover plate is further arranged on the inner wall of the outer frame, and screw holes for the bolts to penetrate through are formed in the edge of the cover plate and the edge of the outer frame.
Preferably, handles are symmetrically fixed on two sides of the top of the outer surface of the outer frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the lithium battery blocks can be separated one by one through the arranged protection component, so that the phenomenon that one lithium battery is overheated to influence other lithium batteries is avoided, the protection capability is improved, the overall safety performance is improved, meanwhile, the protection component can be adjusted according to the lithium battery blocks with different sizes, and the lithium battery block separation device is more flexible to use;
2. through the quartz sand that the chamber groove of design and inside were placed, both improved the protective capacities of frame, when the breakage appeared, the damaged position of understanding that can be timely improves and maintains speed simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a shield member of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the connection between the outer frame and the cover plate according to the present invention;
in the figure: 1. a handle; 2. a main partition plate; 3. a side partition plate; 4. a lithium battery block; 5. an outer frame; 6. fastening a stud; 8. a built-in spring; 9. a separation block; 12. fastening a nut; 13. a fixing plate; 14. a through groove; 15. a connecting spring; 16. a partition plate; 17. a cover plate; 18. a screw hole; 19. a cavity groove.
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 to 4, the present invention provides a technical solution: a lithium ion battery with built-in protection board that security performance is high, including the frame 5, protective member has been placed to the inside of frame 5, protective member through setting up, can separate lithium cell 4 one by one, thereby avoid certain lithium cell to appear overheated phenomenon and influence other lithium cells, improve protective capability, make holistic security performance promote, protective member can make the regulation according to lithium cell 4 of equidimension not simultaneously, it is more nimble to use, protective member comprises two main division boards 2 and the longitudinal subassembly of multiunit that symmetrically sets up respectively at two main division boards 2 sides, fastening assembly is all installed at the tip of two main division boards 2 and the both ends of the longitudinal subassembly of every group; the through groove 14 that supplies vertical subassembly one end to run through is all seted up on the surface of every main division board 2, and the opposite face department symmetry of two main division boards 2 is fixed with multiunit fixed plate 13, and the quantity of every group fixed plate 13 is two, and distributes in the opening both sides that runs through groove 14, and vertical subassembly comprises the side baffle 3 of two symmetries, and two side baffles 3 run through the fastening components who runs through groove 14 one end and fix on the top medial surface of fixed plate 13.
In this embodiment, preferably, the fastening assembly is composed of a fastening stud 6 and a fastening nut 12, the fastening stud 6 is sleeved at two ends of the fastening nut 12, the fastening stud 6 and the fastening nut are in threaded connection, and the fastening stud 6 is in through connection with the two main partition plates 2 and two ends of the longitudinal assembly.
In this embodiment, preferably, a plurality of connecting springs 15 are disposed inside the longitudinal assembly, and both ends of the connecting springs 15 are fixedly connected to the inner side surface of the side partition 3.
In this embodiment, preferably, a plurality 8 of the two main dividing plates 2 are mounted on the inner side thereof.
In this embodiment, preferably, a plurality of lithium battery blocks 4 are placed inside the outer frame 5, each group of longitudinal assemblies is located inside each two longitudinally arranged lithium battery blocks 4, a separation block 9 is fixed on the surface of the side partition plate 3 facing the lithium battery blocks 4, and the separation block 9 is in spacing fit with the surface of each lithium battery block 4.
In the present embodiment, it is preferable that two side separators 3 are disposed inside every two rows of lithium battery blocks 4.
In this embodiment, it is preferable that the length of the side partition plates 3 is one point three times the length of the lithium battery blocks 4, and the length of the main partition plate 2 is one point three times the total length of each row of the lithium battery blocks 4.
In this embodiment, it is preferred, the inside equidistance of frame 5 is provided with a plurality of division boards 16, form independent chamber groove 19 between per two division boards 16, quartz sand has been placed to this chamber groove 19 inside, the quartz sand of placing through the chamber groove 19 of design and inside, both improved frame 5's protective capacities, simultaneously when the breakage appears, the damaged position of understanding that can be timely, improve maintenance speed, the inner wall of frame 5 still is provided with apron 17, the screw 18 that supplies the bolt to run through is seted up with frame 5's edge to apron 17.
In this embodiment, preferably, the handles 1 are symmetrically fixed on both sides of the top of the outer surface of the outer frame 5.
The working principle and the using process of the invention are as follows: when the lithium battery pack protection device is used, a plurality of lithium battery blocks 4 are placed in a two-row and multi-column arrangement mode, then the distance between every two lithium battery blocks 4 is roughly adjusted, a protection component is inserted, in the insertion process, the two main partition plates 2 are placed on the inner sides of the two rows of lithium battery blocks 4, then the two side partition plates 3 are placed in every column of lithium battery blocks 4, then the fastening nuts 12 in the fastening assemblies at the two ends of the main partition plates 2 are rotated, so that the fastening nuts 12 move on the surfaces of the fastening studs 6, in the moving process, the 8 on the inner sides of the two side partition plates 3 rebound, the two side partition plates 3 are popped towards the positions of the lithium battery blocks 4, the two rows of lithium battery blocks 4 are separated, the longitudinal moving direction of the lithium battery blocks is limited, then the fastening assemblies at the two ends of the side partition plates 3 are rotated, so that one end of each side partition plate 3 moves in the through groove 14, and, guarantee the partition block 9 of 3 surfaces of side baffle all the time with the side laminating of lithium cell 4, in adjusting, fix the one end of side baffle 3 through fixed plate 13, avoid appearing the phenomenon of rocking about, adjust the completion back, carry on spacingly and separate lithium cell 4 lateral shifting direction, accomplish protective part's installation this moment, place quartz sand in division board 16 after that, the rethread bolt runs through screw 18 and fixes frame 5 and apron 17, when frame 5 department appears the damage, the inside quartz sand of division board 16 flows out, confirm the damaged position fast with this and restore.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a lithium ion battery with built-in protection shield that security performance is high, includes frame (5), protective part, its characterized in that have been placed to the inside of frame (5): the protective component is composed of two main partition plates (2) and a plurality of groups of longitudinal components which are symmetrically arranged on the side edges of the two main partition plates (2), and fastening components are arranged at the end parts of the two main partition plates (2) and the two ends of each group of longitudinal components; the surface of each main partition plate (2) is provided with a through groove (14) for one end of a longitudinal assembly to penetrate through, a plurality of groups of fixing plates (13) are symmetrically fixed on opposite surfaces of the two main partition plates (2), the number of the fixing plates (13) in each group is two, the fixing plates are distributed on two sides of an opening of the through groove (14), the longitudinal assembly is composed of two symmetrical side partition plates (3), and a fastening assembly for the two side partition plates (3) to penetrate through one end of the through groove (14) is fixed on the inner side surface of the top of the fixing plate (13).
2. A high safety lithium ion battery with built-in protection board according to claim 1, characterized in that: the fastening assembly is composed of a fastening stud (6) and a fastening nut (12), the fastening stud (6) is sleeved at two ends of the fastening nut (12) and is in threaded connection with the fastening stud (6), and the fastening stud (6) is in through connection with the two ends of the main partition plate (2) and the longitudinal assembly.
3. A high safety lithium ion battery with built-in protection board according to claim 1, characterized in that: the inner side of the longitudinal component is provided with a plurality of connecting springs (15), and two ends of each connecting spring (15) are fixedly connected with the inner side face of the side partition plate (3).
4. A high safety lithium ion battery with built-in protection board according to claim 1, characterized in that: a plurality of the main partition plates (2) are arranged at the inner sides of the two main partition plates (8).
5. A high safety lithium ion battery with built-in protection board according to claim 1, characterized in that: a plurality of lithium battery blocks (4) are placed in the outer frame (5), each group of longitudinal assemblies are arranged in every two longitudinal rows of the lithium battery blocks (4) on the inner side, a separation block (9) is fixed on the surface of the side partition plate (3) facing the lithium battery blocks (4), and the separation block (9) is in surface limiting fit with the lithium battery blocks (4).
6. A high safety lithium ion battery with built-in protection board according to claim 5, characterized in that: the two side partition plates (3) are positioned at the inner sides of every two rows of the lithium battery blocks (4).
7. A high safety lithium ion battery with built-in protection board according to claim 5, characterized in that: the length of the side partition plate (3) is one point three times of the length of the lithium battery blocks (4), and the length of the main partition plate (2) is one point three times of the total length of each row of the lithium battery blocks (4).
8. A high safety lithium ion battery with built-in protection board according to claim 1, characterized in that: the quartz sand separation device is characterized in that a plurality of partition plates (16) are arranged in the outer frame (5) at equal intervals, every two independent cavity grooves (19) are formed between the partition plates (16), quartz sand is placed in the cavity grooves (19), a cover plate (17) is further arranged on the inner wall of the outer frame (5), and screw holes (18) for bolts to penetrate through are formed in the edge of the cover plate (17) and the edge of the outer frame (5).
9. A high safety lithium ion battery with built-in protection board according to claim 8, characterized in that: handles (1) are symmetrically fixed on two sides of the top of the outer surface of the outer frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110127778.9A CN112968241B (en) | 2021-01-29 | 2021-01-29 | Lithium ion battery with high safety performance and built-in protection plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110127778.9A CN112968241B (en) | 2021-01-29 | 2021-01-29 | Lithium ion battery with high safety performance and built-in protection plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112968241A true CN112968241A (en) | 2021-06-15 |
| CN112968241B CN112968241B (en) | 2023-05-16 |
Family
ID=76272173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110127778.9A Active CN112968241B (en) | 2021-01-29 | 2021-01-29 | Lithium ion battery with high safety performance and built-in protection plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112968241B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR967301A (en) * | 1948-05-28 | 1950-10-31 | Quick-mount bracket | |
| US5542837A (en) * | 1995-01-13 | 1996-08-06 | Columbia Machine, Inc. | Mold box assembly with partition plates |
| CN203660006U (en) * | 2013-12-27 | 2014-06-18 | 赵元雷 | Cylindrical steel shell lithium-ion battery pack block mould special for electric car |
| CN208922743U (en) * | 2018-11-13 | 2019-05-31 | 安徽蓝德自动化科技有限公司 | A kind of high temperature resistant instrument board |
| CN210640286U (en) * | 2019-09-29 | 2020-05-29 | 龙牌汽车股份有限公司 | Safety structure of automobile power super battery |
| CN211469187U (en) * | 2019-10-21 | 2020-09-11 | 曾国扬 | Improve electric power check out test set of shock attenuation effect and use conveyer |
| CN112124768A (en) * | 2020-10-10 | 2020-12-25 | 沈楠 | Green battery transportation equipment with positioning structure based on green battery |
-
2021
- 2021-01-29 CN CN202110127778.9A patent/CN112968241B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR967301A (en) * | 1948-05-28 | 1950-10-31 | Quick-mount bracket | |
| US5542837A (en) * | 1995-01-13 | 1996-08-06 | Columbia Machine, Inc. | Mold box assembly with partition plates |
| CN203660006U (en) * | 2013-12-27 | 2014-06-18 | 赵元雷 | Cylindrical steel shell lithium-ion battery pack block mould special for electric car |
| CN208922743U (en) * | 2018-11-13 | 2019-05-31 | 安徽蓝德自动化科技有限公司 | A kind of high temperature resistant instrument board |
| CN210640286U (en) * | 2019-09-29 | 2020-05-29 | 龙牌汽车股份有限公司 | Safety structure of automobile power super battery |
| CN211469187U (en) * | 2019-10-21 | 2020-09-11 | 曾国扬 | Improve electric power check out test set of shock attenuation effect and use conveyer |
| CN112124768A (en) * | 2020-10-10 | 2020-12-25 | 沈楠 | Green battery transportation equipment with positioning structure based on green battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112968241B (en) | 2023-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112968241B (en) | Lithium ion battery with high safety performance and built-in protection plate | |
| CN219067037U (en) | Battery pack buffering protection frame | |
| CN216177511U (en) | Auxiliary fixing device for spot welding of lithium battery pack | |
| CN208655769U (en) | A kind of battery pack with tab cooling structure | |
| CN215377548U (en) | Lithium battery assembly structure based on semiconductor refrigeration piece | |
| CN218070067U (en) | Cylindrical lithium ion battery mounting structure | |
| CN212011172U (en) | Clamping type lithium ion battery electrode plate | |
| CN212323054U (en) | Exhaust type lithium battery for energy storage | |
| CN107732322B (en) | Shaping fixture for cluster entering groove | |
| CN110707251A (en) | Annular heat dissipation lithium cell package subassembly | |
| CN216958294U (en) | Soft packet of power battery module structure | |
| CN215266562U (en) | Combined lithium battery with auxiliary positioning structure | |
| CN212542577U (en) | Lithium ion battery pack for electric bicycle | |
| CN220086285U (en) | Lithium battery cell fixed side baffle | |
| CN210576092U (en) | Crust lithium cell module | |
| CN221928363U (en) | Tubular colloid accumulator for energy storage | |
| CN221708881U (en) | Modular battery pack | |
| CN215852536U (en) | Adjustable charging tray of lithium cell | |
| CN220086286U (en) | Tab structure and lithium battery | |
| CN219917290U (en) | Lithium ion battery device | |
| CN221150137U (en) | Explosion-proof device of cylindrical lithium ion battery pack | |
| CN215451655U (en) | Slot type fixed shell for installing lithium iron phosphate battery | |
| CN221687663U (en) | Combined all-solid-state lithium battery module | |
| CN218548808U (en) | Non-column parallel clamp for lithium battery charging | |
| CN212323160U (en) | Busbar for high-power storage battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A lithium-ion battery with high safety performance and built-in protective board Effective date of registration: 20230829 Granted publication date: 20230516 Pledgee: Hua Xia Bank Co.,Ltd. Kunming Branch Pledgor: Zhaotong Shirui Power Technology Development Co.,Ltd. Registration number: Y2023980054404 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |