CN220873748U - Lithium battery protection device - Google Patents
Lithium battery protection device Download PDFInfo
- Publication number
- CN220873748U CN220873748U CN202322550411.5U CN202322550411U CN220873748U CN 220873748 U CN220873748 U CN 220873748U CN 202322550411 U CN202322550411 U CN 202322550411U CN 220873748 U CN220873748 U CN 220873748U
- Authority
- CN
- China
- Prior art keywords
- shell
- side plate
- positioning part
- protection
- lithium battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 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 discloses a lithium battery protection device, which comprises a shell, an inner protection shell and an outer protection frame, wherein the inner protection shell is fixed in the shell through the outer protection frame to form a containing cavity for containing a battery cell; the outer protection frame comprises a first positioning part and a second positioning part, wherein the first positioning part is sleeved on the periphery of the inner protection shell, the first positioning part is fixedly connected with the inner bottom surface of the outer shell, the second positioning part is arranged above the first positioning part, and two ends of the second positioning part are respectively connected with the first positioning part and are arranged above the inner protection shell so as to prevent the inner protection shell from being separated from the first positioning part from the upper part of the first positioning part. The inner protective shell is used for protecting the battery cell in one layer, and the outer shell is used for further protecting the battery cell; then interior protecting crust installs through outer protection frame, has not only promoted the protection effect, is convenient for fix the electric core moreover.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a lithium battery protection device.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream. The existing lithium battery pack generally comprises a shell, wherein a battery cell is integrated in the shell, the shell can protect the battery cell, but the protection force is general, and the battery cell with the structure is generally fixed through bonding, so that the firmness is poor.
Disclosure of utility model
In view of the above, the utility model discloses a lithium battery protection device which not only can improve the protection force of a lithium battery, but also is convenient for installing a battery core.
The utility model discloses a lithium battery protection device, which comprises a shell, an inner protection shell and an outer protection frame, wherein the inner protection shell is fixed in the shell through the outer protection frame to form a containing cavity for containing a battery cell;
The shell comprises a first positioning part and a second positioning part, wherein the first positioning part is sleeved on the periphery of the inner protective shell, the first positioning part is fixedly connected with the inner bottom surface of the shell, the second positioning part is arranged above the first positioning part, and two ends of the second positioning part are respectively connected with the first positioning part and are arranged above the inner protective shell so as to prevent the inner protective shell from separating from the first positioning part from the upper part of the first positioning part.
Further, the inner protective shell is a metal shell with an opening at the bottom end, the bottom end of the inner protective shell is attached to the inner bottom surface of the outer shell, and the opening is closed through the inner bottom surface of the outer shell.
Further, the first positioning part comprises a first side plate, a second side plate, a third side plate and a fourth side plate, and the first side plate, the second side plate, the third side plate and the fourth side plate are respectively arranged on the periphery of the inner protective shell and wrap the inner protective shell; and two ends of the second positioning part are respectively connected with the first side plate and the third side plate.
Further, the second positioning portion comprises a stop portion, two ends of the stop portion are respectively bent to form a connecting portion, the stop portion is located on the top surface of the inner protective shell, and the two connecting portions are located at two ends of the inner protective shell and are fixed with the first side plate and the third side plate.
Further, a first fixing part is arranged on the top surface of the first side plate, and two ends of the first fixing part extend into the top surfaces of the second side plate and the fourth side plate and are fixed through screws;
The top end of the first side plate is provided with a second fixing part which is fixedly connected with the bottom surface of the shell; the third side plate is fixedly connected with one side plate of the shell.
Further, the shell comprises a bottom shell, a top plate and a panel, wherein the bottom shell and the top plate are connected to form a shell with one end open, and the inner protecting shell and the outer protecting frame are arranged in the shell; the panel is respectively connected with the bottom shell and the panel and closes the opening.
Further, a first groove is formed in the top end of the bottom shell, and a side plate on the top plate is sleeved on the outer side of the first groove and fixed through screws; the panel is provided with a storage groove, and the bottom shell and the top plate are stored in the storage groove and fixed through screws.
Further, two handles are arranged on the panel.
Further, mounting plates are arranged on two sides of the bottom shell respectively, and mounting holes are formed in the mounting plates.
Compared with the prior art, the technical scheme disclosed by the utility model has the beneficial effects that:
The inner protective shell is used for protecting the battery cell in one layer, and the outer shell is used for further protecting the battery cell; then interior protecting crust installs through outer protection frame, has not only promoted the protection effect, is convenient for fix the electric core moreover.
Drawings
FIG. 1 is a schematic view of a lithium battery protection device;
FIG. 2 is an exploded view of a lithium battery guard;
FIG. 3 is a schematic view of the structure of the inner protective shell and the outer protective frame;
FIG. 4 is a schematic structural view of a second positioning portion;
Fig. 5 is a schematic structural view of the panel.
Detailed Description
The following description of the embodiments of the present utility model will be made with reference to the drawings in which the embodiments of the present utility model are clearly and fully described, it should be noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or there may be an intervening component at the same time. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
It should be further noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, the present utility model discloses a lithium battery protection device 100, which comprises a housing 10, an inner protection shell 21 and an outer protection frame 22, wherein the inner protection shell 21 and the outer protection frame 22 are both arranged in the housing 10, the inner protection shell 21 is used for wrapping an electric core 23, and the inner protection shell 21 is fixed in the housing 10 through the outer protection frame 22.
In the present application, a plurality of cells 23 are arranged in an array with the inner housing 21 and are arranged in series.
The inner protecting shell 21 is a metal shell with an opening at the bottom end, the bottom end of the inner protecting shell 21 is attached to the inner bottom surface of the outer shell 10, and the inner protecting shell 21 is fixed to the bottom surface of the outer shell 10 through the outer protecting frame 22. The inner protecting shell 21 is matched with the inner bottom surface of the outer shell 10 to form a containing cavity for containing the battery cell 23, the bottom end opening of the inner protecting shell 21 is closed on the inner bottom surface of the outer shell 10, and the battery cell 23 is positioned inside the inner protecting shell 21.
The outer protection frame 22 comprises a first positioning part and a second positioning part 225, the first positioning part is sleeved on the periphery of the inner protection shell 21, the first positioning part is fixedly connected with the inner bottom surface of the outer shell 10, the second positioning part 225 is arranged above the first positioning part, two ends of the second positioning part 225 are respectively connected with the first positioning part and are arranged above the inner protection shell 21 so as to prevent the inner protection shell 21 from being separated from the first positioning part from the upper part of the first positioning part.
Further, the first positioning portion includes a first side plate 221, a second side plate 222, a third side plate 223, and a fourth side plate 22, and the first side plate 221, the second side plate 222, the third side plate 223, and the fourth side plate 224 are respectively disposed at a peripheral side of the inner protection shell 21 and wrap the inner protection shell 21; both ends of the second positioning portion 225 are respectively connected to the first side plate 221 and the third side plate 223. In the present application, the first side plate 221, the second side plate 222, the third side plate 223 and the fourth side plate 224 may be connected at first positions, and the combining positions are overlapped with each other and fixed by screws, and the mode is one of connection modes, and the specific connection mode may be adjusted according to specific situations.
With continued reference to fig. 4, further, the second positioning portion 225 includes a stopper 2251, two ends of the stopper 2251 are respectively bent to form a connection portion 2252, the stopper 2251 is located on a top surface of the inner protective shell 21, and two connection portions 2252 are respectively located on two ends of the inner protective shell 21 and are fixed to the first side plate 221 and the third side plate 223.
Further, a first fixing portion 2211 is provided on the top surface of the first side plate 221, and two ends of the first fixing portion 221 extend into the top surfaces of the second side plate 222 and the fourth side plate 224 and are fixed by screws; a second fixing portion 2212 is disposed at the top end of the first side plate 221, and the second fixing portion 2212 is fixedly connected to the bottom surface of the housing 10; the third side plate 223 is fixedly connected to a side plate of the housing 10.
The shell 10 comprises a bottom shell 11, a top plate 12 and a panel 13, wherein the bottom shell 11 and the top plate 12 are connected to form a shell with one end open, and the inner protecting shell 21 and the outer protecting frame 22 are arranged in the shell; the panel 13 is connected to the bottom case 11 and the panel 12, respectively, and closes the opening. In the present application, the bottom case 11 and the top plate 12 are provided with heat radiation holes.
The top end of the bottom shell 11 is provided with a first groove 111, and a side plate on the top plate 12 is sleeved outside the first groove 111 and fixed by a screw; as shown in fig. 5, the panel 13 is provided with a receiving groove 134, and the bottom case 11 and the top plate 12 are partially received in the receiving groove 134 and fixed by screws.
Further, two handles 131 are provided on the panel 13.
Further, mounting plates 132 are respectively disposed on two sides of the bottom case 11, mounting holes 133 are disposed on the mounting plates 132, and the housing 10 can be fixed on a corresponding device through the mounting holes 133.
The present utility model can be embodied in various forms and modifications without departing from the broad spirit and scope of the utility model, and the above-described embodiments are intended to be illustrative of the utility model, but not limiting the scope of the utility model.
Claims (9)
1. The lithium battery protection device is characterized by comprising a shell, an inner protection shell and an outer protection frame, wherein the inner protection shell is fixed in the shell through the outer protection frame to form a containing cavity for containing a battery cell;
The outer protection frame comprises a first positioning part and a second positioning part, wherein the first positioning part is sleeved on the periphery of the inner protection shell, the first positioning part is fixedly connected with the inner bottom surface of the outer shell, the second positioning part is arranged above the first positioning part, and two ends of the second positioning part are respectively connected with the first positioning part and are arranged above the inner protection shell so as to prevent the inner protection shell from being separated from the first positioning part from the upper part of the first positioning part.
2. The lithium battery protection device according to claim 1, wherein the inner protection shell is a metal shell with an open bottom end, the bottom end of the inner protection shell is attached to the inner bottom surface of the outer shell, and the opening is closed by the inner bottom surface of the outer shell.
3. The lithium battery protection device according to claim 2, wherein the first positioning portion includes a first side plate, a second side plate, a third side plate, and a fourth side plate, the first side plate, the second side plate, the third side plate, and the fourth side plate being disposed on a peripheral side of the inner protection case and wrapping the inner protection case, respectively; and two ends of the second positioning part are respectively connected with the first side plate and the third side plate.
4. The lithium battery protection device according to claim 3, wherein the second positioning portion comprises a stop portion, two ends of the stop portion are respectively bent to form a connecting portion, the stop portion is located on the top surface of the inner protection shell, and two connecting portions are respectively located on two ends of the inner protection shell and are fixed with the first side plate and the third side plate.
5. The lithium battery protection device according to claim 4, wherein the top surface of the first side plate is provided with a first fixing portion, and both ends of the first fixing portion extend into the top surfaces of the second side plate and the fourth side plate and are fixed by screws;
The top end of the first side plate is provided with a second fixing part which is fixedly connected with the bottom surface of the shell; the third side plate is fixedly connected with one side plate of the shell.
6. The lithium battery protection device according to claim 5, wherein the outer case comprises a bottom case, a top plate and a panel, the bottom case and the top plate are connected to form a case with one end open, and the inner protection case and the outer protection frame are disposed in the case; the panel is respectively connected with the bottom shell and the panel and closes the opening.
7. The lithium battery protection device according to claim 6, wherein a first groove is formed in the top end of the bottom shell, and a side plate on the top plate is sleeved outside the first groove and fixed by a screw; the panel is provided with a storage groove, and the bottom shell and the top plate are stored in the storage groove and fixed through screws.
8. The lithium battery protection device according to claim 7, wherein two handles are provided on the panel.
9. The lithium battery protection device according to claim 8, wherein mounting plates are respectively arranged on two sides of the bottom shell, and mounting holes are formed in the mounting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322550411.5U CN220873748U (en) | 2023-09-19 | 2023-09-19 | Lithium battery protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322550411.5U CN220873748U (en) | 2023-09-19 | 2023-09-19 | Lithium battery protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873748U true CN220873748U (en) | 2024-04-30 |
Family
ID=90822272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322550411.5U Active CN220873748U (en) | 2023-09-19 | 2023-09-19 | Lithium battery protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873748U (en) |
-
2023
- 2023-09-19 CN CN202322550411.5U patent/CN220873748U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |