CN211350766U - Shell for lithium ion storage battery pack and lithium ion storage battery pack - Google Patents
Shell for lithium ion storage battery pack and lithium ion storage battery pack Download PDFInfo
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- CN211350766U CN211350766U CN202020303944.7U CN202020303944U CN211350766U CN 211350766 U CN211350766 U CN 211350766U CN 202020303944 U CN202020303944 U CN 202020303944U CN 211350766 U CN211350766 U CN 211350766U
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- side plate
- lithium ion
- battery pack
- plate
- storage battery
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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
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Abstract
The utility model discloses a shell and lithium ion battery for lithium ion battery group, it belongs to the lithium ion battery technical field for the spacecraft, lithium ion battery group shell include the bottom plate and with preceding curb plate, posterior lateral plate, left side board and right side board that the bottom plate is perpendicular to be connected, the bottom plate, preceding curb plate, posterior lateral plate, left side board and right side board enclose and establish and form the accommodation space, preceding curb plate, posterior lateral plate, left side board and right side board have all seted up the lightening hole, and preceding curb plate, posterior lateral plate, left side board and right side board all are equipped with the lightening recess; the shell for the lithium ion storage battery pack further comprises reinforcing ribs, and the reinforcing ribs are arranged in the weight reducing holes. A lithium ion storage battery pack comprises a storage battery module and the shell for the lithium ion storage battery pack, wherein the storage battery module is arranged in the accommodating space. The utility model discloses make lithium ion storage battery's weight reduction.
Description
Technical Field
The utility model relates to a lithium ion battery technical field for the spacecraft especially relates to a shell and lithium ion storage battery for lithium ion storage battery.
Background
The lithium ion storage battery has the advantages of high specific energy, high charging and discharging efficiency, low self-discharging rate, long service life and the like. With the increasing maturity of lithium ion storage battery technology, the lithium ion storage battery has a very wide application prospect in the field of aerospace power supplies.
Currently, a lithium ion battery pack for space applications generally includes a battery module and a closed casing for enclosing the battery module. The battery module is coated by the closed shell to effectively protect the battery module.
However, in the prior art, the weight of the closed casing is relatively large, which leads to a relatively large weight of the lithium-ion battery pack. When the lithium ion storage battery pack is installed on the whole star deck of the space station, the weight of the space station is undoubtedly increased, and the light-weight design of the space station is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shell and lithium ion storage battery for lithium ion storage battery to solve the lithium ion storage battery's that exists among the prior art weight too big, be unfavorable for the technical problem of the lightweight design of space station.
As the conception, the utility model adopts the technical proposal that:
a shell for a lithium ion storage battery pack comprises a bottom plate, and a front side plate, a rear side plate, a left side plate and a right side plate which are vertically connected with the bottom plate, wherein the bottom plate, the front side plate, the rear side plate, the left side plate and the right side plate are surrounded to form an accommodating space,
the front side plate, the rear side plate, the left side plate and the right side plate are all provided with lightening holes, and the front side plate, the rear side plate, the left side plate and the right side plate are all provided with lightening grooves;
the shell for the lithium ion storage battery pack further comprises reinforcing ribs, and the reinforcing ribs are arranged in the weight reducing holes.
Optionally, the reinforcing rib is in a cross shape.
Optionally, a first mounting groove is formed in the front side plate, and the front end of the bottom plate is mounted in the first mounting groove.
Optionally, the front side plate is provided with a first front side plate transverse rib and a second front side plate transverse rib at intervals, and the first front side plate transverse rib and the second front side plate transverse rib form the first mounting groove therebetween.
Optionally, a second mounting groove is formed in the rear side plate, and the rear end of the bottom plate is mounted in the second mounting groove.
Optionally, the rear side plate is provided with a first rear side plate transverse rib and a second rear side plate transverse rib at intervals, and the first rear side plate transverse rib and the second rear side plate transverse rib form a second mounting groove therebetween.
Optionally, the front side plate and the rear side plate are both provided with mounting lugs, and the mounting lugs are provided with connecting holes.
Optionally, the upper surface of the bottom plate is provided with a positioning groove.
Optionally, the casing for the lithium ion battery pack further includes an upper cover plate, one end of the upper cover plate is connected to the left side plate, and the other end of the upper cover plate is connected to the right side plate.
The lithium ion storage battery pack comprises a storage battery module and the shell for the lithium ion storage battery pack, wherein the storage battery module is arranged in the accommodating space.
The utility model provides a shell for lithium ion storage battery and lithium ion storage battery use, the weight of shell for lithium ion storage battery can greatly reduced by the setting of lightening hole; the arrangement of the weight-reducing groove is equivalent to the reduction of the wall thickness of a local area of the shell for the lithium ion storage battery pack; the combination of the two makes the weight of the shell for the lithium ion storage battery pack reduced, and further contributes to the light weight design of the space station. Meanwhile, in the embodiment, in order to prevent the structural strength of the shell for the lithium ion storage battery pack from being reduced due to the lightening holes, the reinforcing ribs are arranged in each lightening hole, so that the structural strength of the shell for the lithium ion storage battery pack is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a viewing angle of a lithium ion battery pack provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of the lithium ion battery pack of fig. 1 from another perspective;
fig. 3 is a schematic structural diagram of a casing for a lithium ion battery pack according to an embodiment of the present invention;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic view of the front panel of FIG. 3 from another perspective;
fig. 6 is a structural view of the right side plate in fig. 3 from another perspective.
In the figure:
1. a base plate; 11. a butting block;
2. a front side plate; 21. a first mounting groove; 22. a first front side plate cross ridge; 23. a second front side plate transverse edge; 26. a first connection hole; 27. an external electrical connector; 28. grounding piles;
25. mounting a support lug; 251. an insulating sleeve;
3. a rear side plate; 31. a second mounting groove; 32. the first rear side plate is transversely ridged; 33. the second rear side plate is transversely ridged; 34. a second connection hole;
4. a left side plate;
5. a right side plate; 51. a fourth mounting groove; 52. a first right side plate cross ridge; 53. the second right side plate is transversely ridged; 54. a first connection bump; 55. a fourth connection hole;
6. lightening holes;
7. a weight-reducing groove;
8. reinforcing ribs;
9. an upper cover plate;
110. a battery module is provided.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, in order to reduce the weight of the lithium ion battery pack, the present embodiment provides a lithium ion battery pack which is lighter in weight compared to the prior art and is advantageous for lightweight design of products.
Referring to fig. 1 and 2, the present embodiment provides a lithium ion battery pack including a battery module 110 and a case for the lithium ion battery pack for enclosing the battery module 110.
Referring to fig. 1, in this embodiment, the housing for the lithium ion battery pack includes a bottom plate 1, and a front side plate 2, a rear side plate 3, a left side plate 4, and a right side plate 5 vertically connected to the bottom plate 1, where the bottom plate 1, the front side plate 2, the rear side plate 3, the left side plate 4, and the right side plate 5 enclose to form an accommodating space, and the battery module 110 is disposed in the accommodating space.
In order to avoid the technical problems that the weight of the lithium ion storage battery pack is too large and the design of the space station is not favorable for light weight in the prior art, in the embodiment, the front side plate 2, the rear side plate 3, the left side plate 4 and the right side plate 5 are all provided with lightening holes 6, and the front side plate 2, the rear side plate 3, the left side plate 4 and the right side plate 5 are all provided with lightening grooves 7. The shell for the lithium ion storage battery pack further comprises reinforcing ribs 8, and each weight-reducing hole 6 is internally provided with a reinforcing rib 8.
In the embodiment, the weight of the shell for the lithium ion storage battery pack can be greatly reduced by arranging the lightening holes 6; the weight reduction groove 7 is arranged, which is equivalent to the reduction of the wall thickness of a local area of the shell for the lithium ion storage battery pack; the combination of the two makes the weight of the shell for the lithium ion storage battery pack reduced, and further contributes to the light weight design of the space station. Meanwhile, in the embodiment, in order to prevent the structural strength of the shell for the lithium ion battery pack from being reduced due to the lightening holes 6, the reinforcing ribs 8 are arranged in each lightening hole 6, so that the structural strength of the shell for the lithium ion battery pack is ensured.
Specifically, in the present embodiment, the front side plate 2, the rear side plate 3, the left side plate 4 and the right side plate 5 are all in directions, the lightening holes 6 on the front side plate 2, the rear side plate 3, the left side plate 4 and the right side plate 5 are all square holes, and the centers of the lightening holes 6 coincide with the geometric centers of the side plates, so as to reduce the weight of the side plates to the maximum.
Optionally, in this embodiment, the reinforcing rib 8 is disposed in the lightening hole 6 in a cross shape.
In this embodiment, the battery module 110 includes a plurality of battery cells and a fixing bracket, and the plurality of battery cells are fixed in the fixing bracket. Optionally, 8-to-4-string 18650 lithium ion batteries are adopted to form a 20Ah lithium ion battery module; preferably, two temperature sampling points may be designed in the battery module 110; preferably, two heating plates may be designed in the battery module 110 as temperature sampling points, and the two heating plates may be primary backups of each other.
When the battery module 110 is placed in the accommodating space, the weight of the battery module 110 is borne by the bottom plate 1, and therefore, the installation stability of the bottom plate 1 needs to be ensured.
Referring to fig. 4 to 6, the front side plate 2 is provided with a first mounting groove 21, and the front end of the bottom plate 1 is mounted in the first mounting groove 21. Specifically, the lower side of the front side plate 2 is provided with a first front side plate transverse rib 22 and a second front side plate transverse rib 23 at intervals, and a first mounting groove 21 is formed between the first front side plate transverse rib 22 and the second front side plate transverse rib 23.
Meanwhile, a second mounting groove 31 is formed in the rear side plate 3, and the rear end of the bottom plate 1 is mounted in the second mounting groove 31. Specifically, the lower side of the rear side plate 3 is provided with a first rear side plate transverse rib 32 and a second rear side plate transverse rib 33 at intervals, and a second mounting groove 31 is formed between the first rear side plate transverse rib 32 and the second rear side plate transverse rib 33.
Meanwhile, in order to position and install the left end and the right end of the bottom plate 1, a third installation groove is formed in the left side plate 4, and the left end of the bottom plate 1 is installed in the third installation groove. Specifically, the downside interval of left side board 4 is provided with that the stupefied is violently stupefied with the second left side board of first left side board, and the stupefied and second left side board of first left side board violently forms the third mounting groove between stupefied. The right side plate 5 is provided with a fourth mounting groove 51, and the right end of the bottom plate 1 is mounted in the fourth mounting groove 51. Specifically, a first right-side plate transverse rib 52 and a second right-side plate transverse rib 53 are arranged at intervals on the lower side of the right-side plate 5, and a fourth mounting groove 51 is formed between the first right-side plate transverse rib 52 and the second right-side plate transverse rib 53.
Further, in order to enable the lithium ion battery pack to be mounted on the whole star deck of the space station, in this embodiment, the front side plate 2 and the rear side plate 3 are both provided with mounting lugs 25, and the mounting lugs 25 are provided with connecting holes.
Specifically, two ends of the lower side of the front side plate 2 are respectively provided with one mounting lug 25, and two ends of the lower side of the rear side plate 3 are respectively provided with one mounting lug 25. An insulating sleeve 251 is embedded in the connecting hole to ensure the insulating installation between the lithium ion storage battery pack and the whole satellite cabin plate.
Further, in order to position the battery module 110, the upper surface of the base plate 1 is provided with a positioning groove.
Further, in order to complete the packaging of the battery module 110, the casing for a lithium ion battery pack further includes an upper cover plate 9, one end of the upper cover plate 9 is connected to the left side plate 4, and the other end of the upper cover plate 9 is connected to the right side plate 5.
Referring to fig. 6, in order to connect the upper cover plate 9 with the right side plate 5, both ends of the upper side of the right side plate 5 are provided with first connection protrusions 54 connected with the upper cover plate 9. Correspondingly, both ends of the upper side of the left side plate 4 are provided with second connecting projections connected with the upper cover plate 9.
Preferably, the left side plate 4 and the right side plate 5 are identical in structure and convenient to install.
Four corners of the front side plate 2 are provided with first connecting holes 26 with axes parallel to the front side plate 2, two first connecting holes 26 at one end are used for being communicated with the front end of the left side plate 4, and two first connecting holes 26 at the other end are used for being communicated with the front end of the right side plate 4; the four corners of the rear side plate 3 are respectively provided with a second connecting hole 34 the axis of which is parallel to the rear side plate 3, two second connecting holes 34 at one end are used for being communicated with the rear end of the left side plate 4, and two second connecting holes 34 at the other end are used for being communicated with the rear end of the right side plate 5; the four corners of the left side plate 4 are provided with third connecting holes with axes vertical to the left side plate 4; four corners of the right side plate 5 are each provided with a fourth connection hole 55 whose axis is perpendicular to the right side plate 5.
When in connection, two adjacent side plates are vertically connected and are matched with bolts or screws through the connecting holes to realize connection. Specifically, the first bolt connects the right side plate 5 and the front side plate 2 through the fourth connection hole 55 and the first connection hole 26; the second bolt passes through the fourth connecting hole 55 and the second connecting hole 34 in sequence to connect the right side plate 5 and the rear side plate 3; the third bolt passes third connecting hole and second connecting hole 34 in proper order and is connected left side board 4 and posterior lateral plate 3, and the fourth bolt passes third connecting hole and first connecting hole 26 in proper order and is connected left side board 4 and preceding curb plate 2, realizes enclosing of four curb plates and closes.
Four curb plates enclose and close the back and can be with the border around bottom plate 1 joint respectively in first mounting groove 21, second mounting groove 31, third mounting groove and fourth mounting groove 51. Meanwhile, in order to further ensure the installation stability of the bottom plate 1, the front edge and the rear edge of the lower surface of the bottom plate 1 are both provided with abutting blocks 11, the abutting blocks 11 at the front edge are positioned in the first installation groove 21 and abut against the second front side plate transverse edge 23, and the first fastening screws sequentially penetrate through the second front side plate transverse edge 23 and the abutting blocks 11 at the front edge; the abutting block 11 at the rear edge is positioned in the second mounting groove 31 and is abutted with the second rear side plate transverse edge 33. The second fastening screw sequentially passes through the second rear side plate transverse ridge 33 and the abutting block 11 at the rear edge; the fastening of the base plate 1 is completed. Preferably, 3 abutting blocks 11 are arranged along the lower surface of the front edge of the bottom plate 1 at intervals, and 3 abutting blocks 11 are also arranged along the lower surface of the rear edge of the bottom plate 1 at intervals.
Optionally, two external electrical connector mounting ports are reserved at the upper end of the front side plate 2, an external electrical connector 27 is mounted at each external electrical connector mounting port, and an external controller can be connected with the lithium ion battery pack through the external electrical connector 27; optionally, a grounding pile 28 is further disposed on the front side plate 2, and high-resistance grounding can be achieved through a grounding resistor and the grounding pile 28.
Preferably, an insulating layer is arranged on the mounting surface of the lithium ion storage battery pack so as to realize the insulating mounting between the lithium ion storage battery pack and the whole satellite bin plate. Optionally, the insulating layer is a polyimide film attached to the mounting surface. Preferably, the flatness of the mounting surface of the lithium ion secondary battery pack is better than 0.2mm/(100mm × 100 mm).
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a shell for lithium ion storage battery, include bottom plate (1) and with preceding curb plate (2), posterior lateral plate (3), left side board (4) and right side board (5) that bottom plate (1) is perpendicular to be connected, bottom plate (1) preceding curb plate (2) posterior lateral plate (3) left side board (4) and right side board (5) enclose and establish formation accommodation space, its characterized in that:
the front side plate (2), the rear side plate (3), the left side plate (4) and the right side plate (5) are all provided with lightening holes (6), and the front side plate (2), the rear side plate (3), the left side plate (4) and the right side plate (5) are all provided with lightening grooves (7);
the shell for the lithium ion storage battery pack further comprises reinforcing ribs (8), and the reinforcing ribs (8) are arranged in the lightening holes (6).
2. The casing for a lithium ion battery pack according to claim 1, wherein the reinforcing rib (8) is in a cross shape.
3. The casing for a lithium ion battery pack according to claim 1, wherein a first mounting groove (21) is provided on the front side plate (2), and the front end of the bottom plate (1) is mounted in the first mounting groove (21).
4. The casing for the lithium ion battery pack according to claim 3, wherein a first front side plate transverse rib (22) and a second front side plate transverse rib (23) are arranged on the front side plate (2) at intervals, and the first mounting groove (21) is formed between the first front side plate transverse rib (22) and the second front side plate transverse rib (23).
5. The casing for a lithium ion battery pack according to claim 3, wherein a second mounting groove (31) is provided on the rear side plate (3), and the rear end of the bottom plate (1) is mounted in the second mounting groove (31).
6. The casing for the lithium ion battery pack according to claim 5, wherein the rear side plate (3) is provided with a first rear side plate transverse rib (32) and a second rear side plate transverse rib (33) at intervals, and the second mounting groove (31) is formed between the first rear side plate transverse rib (32) and the second rear side plate transverse rib (33).
7. The casing for a lithium ion battery pack according to claim 1, wherein mounting lugs (25) are provided on both the front side plate (2) and the rear side plate (3), and a connecting hole is provided on the mounting lug (25).
8. The casing for a lithium ion battery pack according to any one of claims 1 to 7, wherein the upper surface of the base plate (1) is provided with a positioning groove (11).
9. The casing for a lithium ion battery pack according to any one of claims 1 to 7, further comprising an upper cover plate (9), wherein one end of the upper cover plate (9) is connected to the left side plate (4), and the other end of the upper cover plate (9) is connected to the right side plate (5).
10. A lithium ion battery pack comprising a battery module (110), characterized by further comprising a casing for a lithium ion battery pack according to any one of claims 1 to 9, said battery module (110) being disposed in said accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020303944.7U CN211350766U (en) | 2020-03-12 | 2020-03-12 | Shell for lithium ion storage battery pack and lithium ion storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020303944.7U CN211350766U (en) | 2020-03-12 | 2020-03-12 | Shell for lithium ion storage battery pack and lithium ion storage battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN211350766U true CN211350766U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020303944.7U Active CN211350766U (en) | 2020-03-12 | 2020-03-12 | Shell for lithium ion storage battery pack and lithium ion storage battery pack |
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| CN (1) | CN211350766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115692994A (en) * | 2022-11-10 | 2023-02-03 | 苏州馥昶空间技术有限公司 | Lithium battery pack for microsatellite |
-
2020
- 2020-03-12 CN CN202020303944.7U patent/CN211350766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115692994A (en) * | 2022-11-10 | 2023-02-03 | 苏州馥昶空间技术有限公司 | Lithium battery pack for microsatellite |
| CN115692994B (en) * | 2022-11-10 | 2023-11-21 | 苏州馥昶空间技术有限公司 | Lithium battery pack for microsatellite |
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