CN220021384U - Protection system based on lithium battery - Google Patents
Protection system based on lithium battery Download PDFInfo
- Publication number
- CN220021384U CN220021384U CN202321660617.7U CN202321660617U CN220021384U CN 220021384 U CN220021384 U CN 220021384U CN 202321660617 U CN202321660617 U CN 202321660617U CN 220021384 U CN220021384 U CN 220021384U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- damping spring
- protection system
- location
- positioning
- 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.)
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Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 57
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000013016 damping Methods 0.000 claims abstract description 35
- 210000005056 cell body Anatomy 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 210000004027 cell Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 230000003139 buffering effect Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- FBDMTTNVIIVBKI-UHFFFAOYSA-N [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] Chemical compound [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] FBDMTTNVIIVBKI-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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)
Abstract
The utility model relates to the technical field of lithium batteries, in particular to a protection system based on a lithium battery, which comprises a protection shell, a lithium battery body and a cover plate, wherein the interior of the protection shell is connected with a square underframe through a transverse damping spring a, the upper end of the square underframe is connected with a positioning sleeve a through a longitudinal damping spring a, the bottom end of the lithium battery body is fixedly provided with a positioning bottom block, the positioning sleeve a is in sliding sleeve connection with the bottom of the positioning bottom block, the cover plate is fixedly arranged at the upper end of the protection shell through a fastening screw, the interior of the cover plate is connected with a square top frame through a transverse damping spring b, and the bottom end of the square top frame is connected with a positioning sleeve b through a longitudinal damping spring b.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a protection system based on a lithium battery.
Background
The lithium battery is a battery using lithium metal or lithium alloy as an anode material and using a nonaqueous electrolyte solution, the interior of the lithium battery adopts a spiral winding structure, a very fine polyethylene film isolation material with very strong permeability is used for spacing between an anode and a cathode, the anode comprises a current collector composed of lithium cobalt oxide (or lithium nickel cobalt manganese oxide, lithium manganate, lithium iron phosphate and the like) and an aluminum foil, the cathode comprises a current collector composed of graphitized carbon material and a copper foil, and along with the increasing of electric automobiles, electric bicycles and electric riding tools, the lithium battery is widely applied, and a protection system is required to be matched for shock absorption and protection when the lithium battery is used.
Through retrieving, chinese patent grant publication No. CN 208690352U discloses a high accuracy lithium battery protection system, although the spring beam and the stripper plate are used for clamping and fixing the lithium battery body, and can perform transverse vibration protection, but because only the rubber buffer pad is used for performing longitudinal vibration protection on the bottom of the lithium battery, the generated longitudinal vibration protection performance is poor, the comprehensiveness of the protection effect is difficult to guarantee, and the overall protection quality of the lithium battery is affected, so we propose a protection system based on the lithium battery.
Disclosure of Invention
The present utility model is directed to a lithium battery-based protection system, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a protection system based on lithium cell, includes protecting crust, lithium cell body and apron, the inside of protecting crust is connected with back shape chassis through horizontal damping spring a, the upper end of back shape chassis is connected with position sleeve a through vertical damping spring a, the bottom mounting of lithium cell body is provided with the location backing block, position sleeve a sliding sleeve is in the location backing block bottom, the apron passes through fastening screw fixed mounting in the protecting crust upper end, the inside of apron is connected with back shape roof-rack through horizontal damping spring b, the bottom of back shape roof-rack is connected with position sleeve b through vertical damping spring b, the upper end of lithium cell body is fixed and is provided with the location kicking block, position sleeve b sliding sleeve is in the location kicking block bottom.
Preferably, the lithium battery body is fixedly provided with a binding post, and a wire through opening is formed in the position, right above the binding post, of the surface of the cover plate.
Through setting up terminal and logical line mouth, reached the purpose of being convenient for carry out the wiring to the lithium cell body.
Preferably, the cross section shapes of the positioning bottom block and the positioning top block are rectangular.
Through the arrangement, the purpose that the positioning bottom block and the positioning top block have good positioning effect is achieved.
Preferably, the side of the protective shell is provided with a plurality of first heat dissipation openings at intervals, and the two sides of the surface of the cover plate are provided with second heat dissipation openings.
Through setting up first thermovent and second thermovent, reached can carry out normal heat dissipation's purpose to the lithium cell body.
Preferably, the top surface of the cover plate is provided with a counter bore groove, and the end cap part of the fastening screw is positioned in the counter bore groove.
Preferably, the assembly blocks are fixedly arranged on two sides of the bottom end of the protective shell, and the assembly holes are formed in the surfaces of the assembly blocks.
Through setting up assembly piece and pilot hole, reached can be with the purpose of protecting crust fastening assembly in the electric motor car body.
Compared with the prior art, the utility model has the beneficial effects that:
according to the lithium battery body positioning and clamping device, the positioning sleeve a and the positioning bottom block are in close contact with each other through the longitudinal damping spring a, the positioning sleeve b and the positioning bottom block are in close contact with each other through the longitudinal damping spring b, the lithium battery body can be positioned and clamped between the positioning sleeve a and the positioning sleeve b, the transverse damping spring a and the transverse damping spring b can be used for achieving a transverse damping and buffering protection effect on the lithium battery body, the longitudinal damping spring a and the longitudinal damping spring b can be used for achieving a longitudinal damping and buffering protection effect on the lithium battery body, and the lithium battery body is well damped and buffered in the longitudinal and transverse directions, so that the comprehensiveness of the protection effect can be ensured, and the overall protection quality of the lithium battery body is improved.
Drawings
Fig. 1 is a schematic perspective view of a lithium battery-based protection system;
FIG. 2 is a schematic cross-sectional structural view of a lithium battery-based protection system;
fig. 3 is an enlarged schematic view of the portion a in fig. 2.
In the figure: 1. a protective shell; 11. a transverse damping spring a; 12. a mounting block; 2. a lithium battery body; 21. positioning a bottom block; 22. positioning a top block; 23. binding posts; 3. a cover plate; 31. a fastening screw; 32. a transverse damping spring b; 33. a counter bore groove; 4. a loop-shaped chassis; 41. a longitudinal damping spring a; 42. a positioning sleeve a; 5. a rectangular top frame; 51. a longitudinal damping spring b; 52. a positioning sleeve b; 6. a first heat radiation port; 7. a second heat radiation port; 8. a wire opening.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-3, the lithium battery-based protection system provided by the utility model comprises a protection shell 1, a lithium battery body 2 and a cover plate 3, wherein the interior of the protection shell 1 is connected with a square bottom frame 4 through a transverse damping spring a11, the upper end of the square bottom frame 4 is connected with a positioning sleeve a42 through a longitudinal damping spring a41, the bottom end of the lithium battery body 2 is fixedly provided with a positioning bottom block 21, the positioning sleeve a42 is in sliding sleeve joint with the bottom of the positioning bottom block 21, the positioning sleeve a42 is in mutual close contact with the positioning bottom block 21 through the longitudinal damping spring a41, the cover plate 3 is fixedly arranged at the upper end of the protection shell 1 through a fastening screw 31, the interior of the cover plate 3 is connected with a square top frame 5 through a transverse damping spring b32, the bottom end of the square top frame 5 is connected with a positioning sleeve b52 through a longitudinal damping spring b51, the upper end of the lithium battery body 2 is fixedly provided with a positioning top block 22, the positioning sleeve b52 is in sliding sleeve joint with the bottom of the positioning top block 22, the positioning sleeve b52 is in mutual close contact with the positioning bottom block 21, and the lithium battery body 2 can be positioned and clamped between the positioning sleeve b52 and the positioning sleeve b 52.
As a preferred embodiment in this embodiment, as shown in fig. 2, a binding post 23 is fixedly arranged on the lithium battery body 2, and a wire through hole 8 is formed on the surface of the cover plate 3 at a position right above the binding post 23, so as to achieve the purpose of facilitating the wiring of the lithium battery body 2.
As a preferred embodiment in this embodiment, as shown in fig. 2, the cross-sectional shapes of the positioning bottom block 21 and the positioning top block 22 are rectangular, so that the purpose of making the positioning bottom block 21 and the positioning top block 22 have good positioning effect is achieved.
As a preferred implementation manner in this embodiment, as shown in fig. 1, a plurality of first heat dissipation openings 6 are spaced apart from the side surface of the protective housing 1, and second heat dissipation openings 7 are formed on two sides of the surface of the cover plate 3, so that the purpose of performing normal heat dissipation treatment on the lithium battery body 2 is achieved.
As a preferred implementation of this embodiment, as shown in fig. 3, a counter bore groove 33 is formed in the top surface of the cover plate 3, and the end cap portion of the fastening screw 31 is located in the counter bore groove 33.
As a preferred implementation manner in this embodiment, as shown in fig. 2, the two sides of the bottom end of the protecting shell 1 are fixedly provided with assembling blocks 12, and the surface of the assembling blocks 12 is provided with assembling holes, so that the protecting shell 1 can be fastened and assembled in the electric vehicle body.
Working principle:
during the use, with protective housing 1 fastening assembly in the electric motor car body, make position sleeve a42 and the mutual contact of hugging closely of location bottom block 21 through vertical damping spring a41, vertical damping spring b51 makes position sleeve b52 and the mutual hugging closely of location bottom block 21 contact, can fix a position lithium cell body 2 centre gripping between position sleeve a42 and position sleeve b52, if the electric motor car body runs into jolting road conditions and takes place the shake, utilize horizontal damping spring a11 and horizontal damping spring b32 can play horizontal shock attenuation buffering protection effect to lithium cell body 2, vertical damping spring a41 and vertical damping spring b51 can play vertical shock attenuation buffering protection effect to lithium cell body 2 for lithium cell body 2 longitudinal and transverse directions all receive good shock attenuation buffering protection, thereby can ensure the comprehensiveness of protection effect.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a protection system based on lithium cell, includes protecting crust (1), lithium cell body (2) and apron (3), its characterized in that, the inside of protecting crust (1) is connected with back shape chassis (4) through horizontal damping spring a (11), the upper end of returning shape chassis (4) is connected with location cover a (42) through vertical damping spring a (41), the bottom mounting of lithium cell body (2) is provided with location bottom block (21), location cover a (42) sliding sleeve is in location bottom block (21) bottom, apron (3) are through fastening screw (31) fixed mounting in protecting crust (1) upper end, the inside of apron (3) is connected with back shape roof-rack (5) through horizontal damping spring b (32), the bottom of back shape roof-rack (5) is connected with location cover b (52) through vertical damping spring b (51), the upper end of lithium cell body (2) is fixedly provided with location roof block (22), location cover b (52) sliding sleeve is in location roof block (22) bottom.
2. The lithium battery-based protection system according to claim 1, wherein a binding post (23) is fixedly arranged on the lithium battery body (2), and a wire through port (8) is formed in the position, right above the binding post (23), of the surface of the cover plate (3).
3. The lithium battery-based protection system according to claim 1, wherein the positioning bottom block (21) and the positioning top block (22) are rectangular in cross-sectional shape.
4. The lithium battery-based protection system according to claim 1, wherein a plurality of first heat dissipation openings (6) are formed in the side surface of the protective shell (1) at intervals, and second heat dissipation openings (7) are formed in two sides of the surface of the cover plate (3).
5. The lithium battery-based protection system according to claim 1, wherein the top surface of the cover plate (3) is provided with a counter bore groove (33), and the end cap portion of the fastening screw (31) is positioned in the counter bore groove (33).
6. The lithium battery-based protection system according to claim 1, wherein the two sides of the bottom end of the protective shell (1) are fixedly provided with assembly blocks (12), and the surface of the assembly blocks (12) is provided with assembly holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660617.7U CN220021384U (en) | 2023-06-28 | 2023-06-28 | Protection system based on lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660617.7U CN220021384U (en) | 2023-06-28 | 2023-06-28 | Protection system based on lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220021384U true CN220021384U (en) | 2023-11-14 |
Family
ID=88688806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321660617.7U Active CN220021384U (en) | 2023-06-28 | 2023-06-28 | Protection system based on lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220021384U (en) |
-
2023
- 2023-06-28 CN CN202321660617.7U patent/CN220021384U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |