CN112968241B - Lithium ion battery with high safety performance and built-in protection plate - Google Patents
Lithium ion battery with high safety performance and built-in protection plate Download PDFInfo
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- CN112968241B CN112968241B CN202110127778.9A CN202110127778A CN112968241B CN 112968241 B CN112968241 B CN 112968241B CN 202110127778 A CN202110127778 A CN 202110127778A CN 112968241 B CN112968241 B CN 112968241B
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- plates
- lithium battery
- fastening
- longitudinal
- outer frame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—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
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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
Abstract
The invention discloses a lithium ion battery with high safety performance and built-in protection plates, which comprises an outer frame, wherein a protection part is arranged in the outer frame, the protection part consists of two main separation plates and a plurality of groups of longitudinal components which are respectively and symmetrically arranged at the side edges of the two main separation plates, and fastening components are arranged at the end parts of the two main separation plates and at the two ends of each group of longitudinal components; the surface of each main separation plate is provided with a through groove for one end of the longitudinal assembly to penetrate, a plurality of groups of fixing plates are symmetrically fixed at opposite faces of the two main separation plates, and the number of each group of fixing plates is two; can separate lithium cell piece one by one through the protective component who sets up to avoid certain lithium cell to appear overheated phenomenon and influence other lithium cells, improve the protective capability, make holistic security performance obtain promoting, protective component can make the regulation according to the lithium cell piece of equidimension simultaneously, use more nimble.
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
Lithium ion batteries are secondary batteries that operate primarily by means of lithium ions moving between a positive electrode and a negative electrode, li+ being inserted and extracted back and forth between the two electrodes during charge and discharge: during charging, li+ is deintercalated 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 when discharging.
In the installation of the existing lithium ion battery, the battery is directly placed in the shell, no structure capable of protecting is provided, once one lithium battery is overheated, the phenomenon can be rapidly transmitted to other lithium battery blocks, and therefore, the lithium ion battery has high danger in actual use, and has an improvable space.
Disclosure of Invention
The invention aims to provide a lithium ion battery with high safety performance and a built-in protection plate, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the lithium ion battery with high safety performance and built-in protection board comprises an outer frame, wherein a protection component is placed in the outer frame, the protection component consists of two main separation boards and a plurality of groups of longitudinal components which are symmetrically arranged on the side edges of the two main separation boards respectively, and fastening components are arranged at the end parts of the two main separation boards and at the two ends of each group of longitudinal components; every the surface of main division board has all offered the groove that runs through that supplies vertical subassembly one end to run through, two the opposite face department symmetry of main division board is fixed with multiunit fixed plate, every group the quantity of fixed plate is two, and distributes run through the opening both sides in groove, vertical subassembly comprises two symmetrical side baffle, two the side baffle runs through the fastening assembly who runs through groove one end is fixed on the top medial surface of fixed plate.
Preferably, the fastening assembly is composed of a fastening stud and a fastening nut, the fastening stud is sleeved at two ends of the fastening nut and is in threaded connection with the fastening nut, and the fastening stud is in penetrating connection with two ends of the main partition plate and the longitudinal assembly.
Preferably, a plurality of connecting springs are arranged on the inner side of the longitudinal assembly, and two ends of each connecting spring are fixedly connected with the inner side surface of the side partition plate.
Preferably, a plurality of internal springs are installed at the inner sides of the two main separation plates.
Preferably, a plurality of lithium battery blocks are placed in the outer frame, each group of longitudinal assemblies is located on the inner side of each two lithium battery blocks which are longitudinally arranged, a separation block is fixed on the surface of each side partition plate, facing the lithium battery block, of each side partition plate, and the separation block is in limiting fit with the surface of each lithium battery block.
Preferably, two of the side separators are located inside each two rows of the lithium battery blocks.
Preferably, the length of the side separator is three times as long as one point of the length of the lithium battery block, and the length of the main separator is three times as long as one point of the total length of each row of the lithium battery block.
Preferably, a plurality of partition plates are arranged in the outer frame at equal intervals, independent cavity grooves are formed between every two partition plates, quartz sand is placed in the cavity grooves, a cover plate is further arranged on the inner wall of the outer frame, and screw holes for the bolts to penetrate are formed in the edges of the cover plate and the outer frame.
Preferably, handles are symmetrically fixed on the 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. through the protective component, the lithium battery blocks can be separated one by one, so that the phenomenon that certain lithium battery is overheated to influence other lithium batteries is avoided, the protective capability is improved, the overall safety performance is improved, meanwhile, the protective component can be adjusted according to the lithium battery blocks with different sizes, and the use is more flexible;
2. through the cavity groove of design and the quartz sand of inside placing, both improved the protective capability of frame, when the damage appears, the position of knowing the damage that simultaneously can be timely improves maintenance speed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the protective member of the present invention;
FIG. 3 is an enlarged schematic view of area A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic diagram showing 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 separator; 4. a lithium battery block; 5. an outer frame; 6. a fastening stud; 8. a built-in spring; 9. a separation block; 12. a fastening 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. and a cavity groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a lithium ion battery that security performance is high has built-in protection shield, including frame 5, the protection component has been placed to the inside of frame 5, can separate lithium cell piece 4 one by one through the protection component that sets up, thereby avoid certain lithium cell to appear overheated phenomenon and influence other lithium cells, improve the protective capability, make holistic security performance obtain promoting, protection component can make the regulation according to the lithium cell piece 4 of equidimension simultaneously, it is more nimble to use, the protection component comprises two main division boards 2 and the multiunit longitudinal assembly of symmetry setting in two main division boards 2 side respectively, fastening assembly is all installed to the tip of two main division boards 2 and the both ends of every longitudinal assembly of group; the surface of every main division board 2 has all offered the through groove 14 that supplies longitudinal module one end to run through, and the opposite face department symmetry of two main division boards 2 is fixed with multiunit fixed plate 13, and the quantity of every fixed plate 13 of group is two, and distributes in the opening both sides that runs through groove 14, and longitudinal module comprises two symmetrical side baffle 3, and two side baffle 3 run through the fastening assembly who runs through groove 14 one end and fix on the top medial surface of fixed plate 13.
In this embodiment, the fastening assembly is preferably 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 the fastening stud 6 is in threaded connection with two ends of the two main separation plates 2 and the longitudinal assembly.
In this embodiment, preferably, a plurality of connecting springs 15 are disposed on the inner side of the longitudinal assembly, and both ends of the connecting springs 15 are fixedly connected with the inner side surface of the side partition 3.
In the present embodiment, it is preferable that a plurality of internal springs 8 are mounted on the inner sides of the two main separation plates 2.
In this embodiment, preferably, a plurality of lithium battery blocks 4 are placed in the outer frame 5, each group of longitudinal components is located inside each two longitudinally arranged lithium battery blocks 4, a separation block 9 is fixed on the surface of the side separator 3 facing the lithium battery blocks 4, and the separation block 9 is in spacing fit with the surface of the lithium battery block 4.
In the present embodiment, preferably, two side separators 3 are located inside each two rows of lithium battery blocks 4.
In the present embodiment, it is preferable that the length of the side separator 3 is three times as long as one point of the length of the lithium battery block 4, and the length of the main separator 2 is three times as long as one point of the total length of each row of lithium battery blocks 4.
In this embodiment, preferably, a plurality of division boards 16 are arranged at equal intervals in the outer frame 5, an independent cavity groove 19 is formed between every two division boards 16, quartz sand is placed in the cavity groove 19, the protection capability of the outer frame 5 is improved by the designed cavity groove 19 and the quartz sand placed in the cavity groove, meanwhile, when breakage occurs, the breakage position can be timely known, the maintenance speed is improved, a cover plate 17 is further arranged on the inner wall of the outer frame 5, and screw holes 18 for the bolts to penetrate are formed in the edges of the cover plate 17 and the outer frame 5.
In this embodiment, preferably, 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 flow of the invention are as follows: when the lithium battery block 4 is used, a plurality of lithium battery blocks 4 are firstly placed according to a placing mode of two rows and a plurality of columns, then the distance between the lithium battery blocks 4 is approximately adjusted for insertion of a protection part, in the insertion, two main separation plates 2 are placed on the inner sides of the two rows of lithium battery blocks 4, then two side separation plates 3 are placed in each column of lithium battery blocks 4, then fastening nuts 12 in fastening assemblies at two ends of the main separation plates 2 are rotated, so that the fastening nuts 12 move on the surfaces of fastening studs 6, in the moving process, built-in springs 8 on the inner sides of the two side separation plates 3 rebound to pop up the two side separation plates 3 towards the positions of the lithium battery blocks 4, thereby separating the two rows of lithium battery blocks 4 and limiting the longitudinal moving direction of the two side separation plates, then rotate the fastening components at both ends of side baffle 3 for the one end of side baffle 3 is in running through the inslot 14 and is removed, in the removal, also through the resilience of connecting spring 15, guarantee that the separation piece 9 of side baffle 3 surface is laminated with the side of lithium cell piece 4 all the time, in adjusting, fix the one end of side baffle 3 through fixed plate 13, avoid appearing rocking about the phenomenon, after the regulation is accomplished, carry out spacing and separation with lithium cell piece 4 lateral movement direction, accomplish the installation of guard element at this moment, place quartz sand in division board 16 afterwards, rethread bolt runs through screw 18 and is fixed frame 5 and apron 17, when frame 5 department appears the damage, the quartz sand of division board 16 inside flows out, with this quick determination damage position and restoration.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a lithium ion battery that security performance is high has built-in protection shield, includes frame (5), the protection component has been placed to the inside of frame (5), its characterized in that: the protection component consists of two main separation plates (2) and a plurality of groups of longitudinal components which are symmetrically arranged on the side edges of the two main separation plates (2), and fastening components are arranged at the end parts of the two main separation plates (2) and at 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 component to penetrate through, a plurality of groups of fixing plates (13) are symmetrically fixed at opposite faces of the two main partition plates (2), the number of each group of fixing plates (13) is two and distributed on two sides of an opening of the through groove (14), the longitudinal component consists of two symmetrical side partition plates (3), and the two side partition plates (3) penetrate through a fastening component at one end of the through groove (14) and are fixed on the inner side face of the top of the fixing plate (13); the fastening assembly consists 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 nut, and the fastening stud (6) is in penetrating connection with two main separation plates (2) and two ends of the longitudinal assembly; the inner side of the longitudinal assembly is provided with a plurality of connecting springs (15), and two ends of each connecting spring (15) are fixedly connected with the inner side surface of the side partition plate (3); a plurality of built-in springs (8) are arranged on the inner sides of the two main separation plates (2), a plurality of lithium battery blocks (4) are arranged in the outer frame (5), each group of longitudinal assemblies are arranged on the inner sides of every two lithium battery blocks (4) which are longitudinally arranged, a separation block (9) is fixed on the surface of each side separation plate (3) facing the lithium battery block (4), and the separation blocks (9) are in spacing fit with the surface of each lithium battery block (4); the two side separators (3) are positioned on the inner sides of every two rows of the lithium battery blocks (4); the length of the side separation plate (3) is three times as long as one point of the length of the lithium battery block (4), and the length of the main separation plate (2) is three times as long as one point of the total length of each row of the lithium battery block (4); a plurality of partition plates (16) are arranged in the outer frame (5) at equal intervals, independent cavity grooves (19) are formed between every two 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 a bolt to penetrate are formed in the edges of the cover plate (17) and the outer frame (5); handles (1) are symmetrically fixed on the 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 CN112968241A (en) | 2021-06-15 |
| CN112968241B true CN112968241B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110127778.9A Active CN112968241B (en) | 2021-01-29 | 2021-01-29 | Lithium ion battery with high safety performance and built-in protection plate |
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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 |
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| CN112968241A (en) | 2021-06-15 |
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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 |