CN210723119U - Battery pack tray and battery pack - Google Patents
Battery pack tray and battery pack Download PDFInfo
- Publication number
- CN210723119U CN210723119U CN201920883076.1U CN201920883076U CN210723119U CN 210723119 U CN210723119 U CN 210723119U CN 201920883076 U CN201920883076 U CN 201920883076U CN 210723119 U CN210723119 U CN 210723119U
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- battery pack
- reinforcing plate
- side frame
- plate
- reinforcing
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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 application discloses battery package tray and battery package, battery package tray includes: the side frame comprises a first side beam and a second side beam which are oppositely arranged along a first direction; the two ends of the cross beam are respectively connected with the first edge beam and the second edge beam; strengthen the welt, strengthen the welt and locate first boundary beam or the second boundary beam with the junction of crossbeam, strengthen the welt and have first connection face and second connection face, first connection face with the crossbeam links to each other, the second connection face with first boundary beam or the second boundary beam links to each other. The utility model provides a battery package tray, the junction of side frame and crossbeam is equipped with the enhancement welt, strengthens the welt and can strengthen the joint strength of side frame and crossbeam effectively, and the quantity of reducible welding seam, improves the inside atress condition of battery package tray, improves the mechanical strength of battery package tray.
Description
Technical Field
The application belongs to the technical field of automobile power battery manufacturing, and particularly relates to a battery pack tray and a battery pack with the same.
Background
With the development of electric vehicles, the safety problem exposed in the market frequently occurs, and as one of the cores of electric vehicles, the power battery system faces the challenge of higher and higher safety and reliability. The design scheme of the lower shell structure of the battery system commonly used at present adopts a steel sheet metal scheme and an aluminum alloy profile extrusion scheme. The battery system of the steel sheet metal scheme is generally heavier and does not meet the requirements of energy conservation and light weight of the automobile; the common aluminum alloy section extrusion scheme adopts a large number of welding seams for sealing and force transmission, the processing technology of the shell is complex, and the long-term use of the shell has the safety risks of welding seam fatigue, insufficient strength of the whole package structure, sealing failure and the like.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art.
The battery pack tray according to the embodiment of the present application includes: the side frame comprises a first side beam and a second side beam which are oppositely arranged along a first direction; the two ends of the cross beam are respectively connected with the first edge beam and the second edge beam; strengthen the welt, strengthen the welt and locate first boundary beam or the second boundary beam with the junction of crossbeam, strengthen the welt and have first connection face and second connection face, first connection face with the crossbeam links to each other, the second connection face with first boundary beam or the second boundary beam links to each other.
According to the battery package tray of the embodiment of the application, the joint of the side frame and the cross beam is provided with the reinforcing lining plate, the reinforcing lining plate can effectively enhance the connection strength of the side frame and the cross beam, the number of welding seams can be reduced, the internal stress condition of the battery package tray is improved, and the mechanical strength of the battery package tray is improved.
The application also provides a battery pack.
According to the battery pack of this application embodiment, be provided with the battery pack tray of any one of the above-mentioned embodiments.
The advantages of the battery pack and the battery pack tray are the same compared with the prior art, and are not described in detail herein.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a battery pack tray according to an embodiment of the present application;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a cross-sectional view of the side frame and bottom plate assembly of a battery pack tray according to an embodiment of the present application;
fig. 4 is a schematic view of the assembly of the cross member and the bottom plate of the battery pack tray according to the embodiment of the present application.
Reference numerals:
the tray 100 for the battery pack is provided,
side frame 1, first side frame 11, second side frame 12, third side frame 13, fourth side frame 14, open slot 15, first cavity 161, second cavity 162, third cavity 163, fourth cavity 164, mounting slot 17,
the cross beam 2, the glue overflow groove 21,
the reinforcing liner 3, the first reinforcing plate 31, the second reinforcing plate 32, the side plate 33, the reinforcing ribs 34,
the bottom plate (4) is provided with a plurality of grooves,
rivet 101, nut 102.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
Referring to fig. 1 to 4, a battery pack tray 100 according to an embodiment of the present disclosure is described, where a reinforcing structure is disposed at a joint between a side frame 1 and a cross beam 2 of the battery pack tray 100, the reinforcing structure can effectively enhance the joint strength between the side frame 1 and the cross beam 2, reduce the number of welding seams, improve the internal stress of the battery pack tray 100, and improve the mechanical strength of the battery pack tray 100.
As shown in fig. 1 to 4, a battery pack tray 100 according to an embodiment of the present application includes: side frame 1, crossbeam 2 and reinforcing liner 3.
As shown in fig. 1, the side frame 1 includes a first side frame 11, a second side frame 12, a third side frame 13 and a fourth side frame 14, wherein the first side frame 11 and the second side frame 12 are oppositely disposed along a first direction, that is, the first side frame 11 and the second side frame 12 are disposed in parallel and spaced apart along the first direction, and as shown in fig. 1, an end of the first side frame 11 and an end of the second side frame 12 are disposed flush with each other.
As shown in fig. 1, the third side member 13 and the fourth side member 14 are disposed opposite to each other in the second direction, that is, the third side member 13 and the fourth side member 14 are disposed in parallel and spaced apart from each other in the second direction, as shown in fig. 1, an end portion of the third side member 13 and an end portion of the fourth side member 14 are disposed flush with each other, and the first direction and the second direction are perpendicular to each other. As shown in fig. 1, a first edge beam 11, a third edge beam 13, a second edge beam 12, and a fourth edge beam 14 are connected end to end in sequence to form a rectangular ring-shaped frame structure, and both ends (upper end and lower end) of the side frame 1 are open.
Wherein, first boundary beam 11, third boundary beam 13, second boundary beam 12 and fourth boundary beam 14 can splice welding and connect and form, and the extruded profile cross-section of optional difference, and the mode of splice welding can adopt laser welding, TIG welding etc. or first boundary beam 11, second boundary beam 12, third boundary beam 13 and fourth boundary beam 14 can be integrated into one piece, makes the overall structure intensity of side frame 1 great, does benefit to the overall stability who promotes battery package tray 100.
Wherein, the side frame 1 material adopts aluminium alloy ex-trusions, and the material can be with 6 series or 7 series aluminium alloy materials such as 6061, 6063, 6082, and like this, the whole quality of side frame 1 is lighter, is convenient for transport, installation, and is favorable to reducing the holistic weight of battery package.
As shown in fig. 1, the cross beam 2 is installed in the side frame 1, two ends of the cross beam 2 are respectively connected with a first side beam 11 and a second side beam 12, that is, a first end of the cross beam 2 is connected with the first side beam 11, a second end of the cross beam 2 is connected with the second side beam 12, the first side beam 11 and the second side beam 12 are both perpendicular to the cross beam 2, and a third side beam 13 and a fourth side beam 14 are both spaced from the cross beam 2 in parallel, wherein the cross beam 2 is made of an aluminum alloy material, and the first side beam 11 and the second side beam 12 can be welded together with the end of the cross beam 2 by laser welding, arc welding or the like, so that the cross beam 2 is stably installed in the side frame 1.
Strengthen welt 3 and locate the junction of crossbeam 2 and side frame 1, strengthen welt 3 promptly and be aforementioned additional strengthening, as shown in fig. 1, strengthen welt 3 and locate the junction of first boundary beam 11 or second boundary beam 12 and crossbeam 2, the junction of first boundary beam 11 and crossbeam 2 promptly, the junction of second boundary beam 12 and crossbeam 2 all is equipped with strengthens welt 3, wherein, strengthen welt 3 and adopt the steel panel beating to carry out the punching press and make, and the material of strengthening welt 3 can adopt materials such as cold-rolled steel sheet, duplex steel, from this, strengthen welt 3 itself and have great structural strength and rigidity.
Thus, the reinforcing lining plate 3 is arranged at the joint of the cross beam 2 and the side frame 1, so that the connection strength of the cross beam 2 and the side frame 1 can be greatly enhanced, and the stability of the battery pack tray 100 is improved. And crossbeam 2 links to each other through strengthening welt 3 with side frame 1, can reduce crossbeam 2 and side frame 1's welding requirement under the circumstances of guaranteeing crossbeam 2 and side frame 1 joint strength, reduces welding seam quantity to improve battery package tray 100's security and reliability.
The reinforcing lining plate 3 has a first connecting surface and a second connecting surface, the first connecting surface is connected with the cross beam 2, and the second connecting surface is connected with the side frame 1, namely the second connecting surface is connected with the first side beam 11 or the second side beam 12. As shown in fig. 2, the first connecting surface of the reinforcing lining plate 3 is connected to the upper surface of the cross beam 2, and the second connecting surface of the reinforcing lining plate 3 is connected to the inner side surface of the first side beam 11 or the second side beam 12, so that the cross beam 2 and the side frame 1 are both connected to the reinforcing lining plate 3 in a surface contact manner, the cross beam 2, the side frame 1 and the reinforcing lining plate 3 can be stably contacted, and stress at each position of the connecting part is uniform, and the problem of stress concentration is not likely to occur. Like this, crossbeam 2 and side frame 1 are connected through strengthening welt 3, can strengthen connection stability and reliability effectively, do benefit to the life who prolongs battery package tray 100, are convenient for use for a long time.
According to battery package tray 100 of the embodiment of the application, the joint of side frame 1 and crossbeam 2 is equipped with reinforcing lining plate 3, reinforcing lining plate 3 can effectively strengthen the joint strength of side frame 1 and crossbeam 2, and the quantity of reducible welding seam improves the inside atress condition of battery package tray 100, improves the mechanical strength of battery package tray 100.
In some embodiments, as shown in fig. 2, the reinforcing backing 3 includes a first reinforcing plate 31 and a second reinforcing plate 32, the first reinforcing plate 31 is connected to the second reinforcing plate 32, as shown in fig. 2, the first reinforcing plate 31 extends in a horizontal direction, the second reinforcing plate 32 extends in a vertical direction, one end of the first reinforcing plate 31 near the side frame 1 is connected to the second reinforcing plate 32, a lower end of the second reinforcing plate 32 is connected to the first reinforcing plate 31, and the first reinforcing plate 31 and the second reinforcing plate 32 are perpendicular to each other.
The first connecting surface is disposed on the side of the first reinforcing plate 31 departing from the second reinforcing plate 32, the second connecting surface is disposed on the side of the second reinforcing plate 32 departing from the first reinforcing plate 31, that is, as shown in fig. 2, the side of the first reinforcing plate 31 departing from the second reinforcing plate 32 is connected to the upper surface of the cross beam 2, and the side of the second reinforcing plate 32 departing from the first reinforcing plate 31 is connected to the inner surface of the side frame 1. From this, strengthen welt 3 and crossbeam 2, side frame 1 and be the face contact and link to each other, do benefit to the structural strength who improves battery package tray 100.
As shown in fig. 2, the first reinforcing plate 31 is connected to the cross member 2 by riveting, and the side frame 1 is connected to the second reinforcing plate 32 by riveting, that is, the first edge beam 11 or the second edge beam 12 is connected to the second reinforcing plate 32 by riveting, as shown in fig. 2, the first reinforcing plate 31 and the cross member 2 are connected by two spaced rivets 101, and the side frame 1 and the second reinforcing plate 32 are connected by two spaced rivets 101. Like this, crossbeam 2 and side frame 1 weld earlier and link to each other, and pass through rivet 101 riveting with strengthening welt 3 again, have greatly strengthened crossbeam 2 and side frame 1's joint strength. Among them, the rivet 101 may be a quick rivet 101, a blind rivet 101, or the like.
As shown in fig. 2, the joint of the first reinforcing plate 31 and the second reinforcing plate 32 is provided with a reinforcing rib 34, and the reinforcing rib 34 is designed to improve the structural strength and rigidity of the reinforcing lining plate 3 itself, so that when the reinforcing lining plate 3 is mounted on the cross beam 2 and the side frame 1, the reinforcing lining plate 3 is stressed and is not easy to deform, and the cross beam 2 and the side frame 1 are stably connected.
As shown in fig. 2, the reinforcing liner 3 further includes: and a side plate 33, the side plate 33 being connected between the first reinforcing plate 31 and the second reinforcing plate 32, and both the first reinforcing plate 31 and the second reinforcing plate 32 being perpendicular to the side plate 33. As shown in fig. 2, curb plate 33 is two, and two curb plate 33 intervals are seted up in the both sides of strengthening rib 34, curb plate 33 overall structure is right triangle, and the vertical right-angle side of curb plate 33 links to each other with second reinforcing plate 32, the horizontal right-angle side of curb plate 33 links to each other with first reinforcing plate 31, and like this, curb plate 33 can play the effect of connecting and supporting between first reinforcing plate 31 and second reinforcing plate 32, guarantee that reinforced liner plate 3 has great structural strength and rigidity, do benefit to the connection stability of reinforcing crossbeam 2 and side frame 1.
As shown in fig. 3, the side frame 1 has an extruded section, and the side frame 1 defines four inner cavities with different shapes, that is, the side frame 1 includes a first cavity 161, a second cavity 162, a third cavity 163 and a fourth cavity 164 which are arranged at intervals, the first cavity 161 and the second cavity 162 are arranged along the up-down direction, and the second cavity 162, the third cavity 163 and the fourth cavity 164 are arranged along the inside-outside direction. Therefore, the side frame 1 is provided with a plurality of spaced cavity structures, so that the weight of the side frame can be reduced, the consumed section bars can be reduced, and the required production cost of the battery pack tray 100 can be saved. Wherein, the direction that is close to side frame 1 center in the inside and outside direction that this application indicates, the direction that deviates from side frame 1 center is outer.
And as shown in fig. 3, the outside limit of the first end of the side frame 1 is equipped with an open slot 15, the open slot 15 is inwards sunken, that is, the open slot 15 is outwards opened, as shown in fig. 3, the side wall of the second end of the open slot 15 departing from the side frame 1 is equipped with a connecting hole, the connecting hole is used for connecting with the upper cover flange through a threaded fastener, as shown in fig. 3, the first end of the side frame 1 is the upper end, the second end is the lower end, the upper side wall of the open slot 15 is equipped with a connecting hole. Therefore, the cross section of the side frame 1 is in an opening form, the rivet nut 102 is adopted as the threaded fastener of the upper cover flange, the threaded fastener is located in the opening area of the side frame 1, the risk that external water enters the side frame 1 through the upper cover flange nut 102 to cause corrosion and water enters the inside of the battery pack and the like can be avoided, and the use safety of the battery pack is improved.
Wherein, open slot 15 extends along the circumference of side frame 1, and open slot 15 is the rectangle cyclic annular, and from this, side frame 1 all links to each other with the upper cover flange along a plurality of positions department of circumference to make battery package tray 100 all receive fine sealed protection along each position of circumference, and each junction atress of battery package tray 100 and upper cover flange is comparatively even, and security and stability are better.
As shown in fig. 3, the battery pack tray 100 further includes: a bottom plate 4.
The bottom plate 4 is installed at the second end of the side frame 1 so that the second end is closed, the inner side wall of the second end of the side frame 1 is provided with an installation groove 17, as shown in fig. 3, the bottom plate 4 is installed at the lower end of the side frame 1, the installation groove 17 is arranged at the inner side wall of the lower end of the side frame 1, and as shown in fig. 3, the installation groove 17 is opened inwards and downwards, that is, the lower end of the side frame 1 forms a step structure at the installation groove 17. Like this, bottom plate 4 links to each other with side frame 1, and the side of bottom plate 4 is located mounting groove 17, and mounting groove 17 equals bottom plate 4's thickness along axial degree of depth for bottom plate 4 is when installing in mounting groove 17, and the lower surface of bottom plate 4 and the lower surface parallel and level of side frame 1, and then makes battery package tray 100's overall structure visual effect better.
Wherein, bottom plate 4 accessible friction stir welding, arc-welding's mode link together with side frame 1 to make bottom plate 4 and side frame 1 be connected stably, and scribble sealed glue between the inner wall of bottom plate 4 and mounting groove 17, be favorable to improving the leakproofness of bottom plate 4 and side frame 1. The bottom plate 4 can be made of an aluminum alloy flat plate, the surface of the flat plate can be provided with stamping features for improving the structural strength of the bottom plate 4, and the material of the bottom plate 4 can be Al6061, Al5083 and the like, so that the structure of the bottom plate 4 is lighter.
As shown in fig. 2 and 4, the bottom plate 4 is mounted on the side frame 1, the upper surface of the bottom plate 4 is attached to the lower surface of the cross beam 2, wherein the cross beam 2 is connected to the bottom plate 4 through the adhesive, and as shown in fig. 4, the surface of the cross beam 2 connected to the bottom plate 4 is provided with an adhesive overflow groove 21, and the adhesive overflow groove 21 is used for injecting adhesive, so that the redundant adhesive can be temporarily stored in the adhesive overflow groove 21, and sufficient adhesive is always provided between the bottom plate 4 and the cross beam 2 to ensure the connection strength, thereby improving the adhesive process.
The application also provides a battery pack.
According to the battery pack of this application embodiment, be provided with the battery pack tray 100 of any kind of above-mentioned embodiment, the junction of battery pack tray 100's side frame 1 and crossbeam 2 is equipped with strengthens welt 3, does benefit to the holistic structural strength of reinforcing battery pack, reduces the quantity of welding seam, improves the inside atress condition of battery pack tray 100, improves the mechanical strength of battery pack tray 100. And the special open slot 15 design of battery package tray 100, when linking with the upper cover flange, can avoid outside water to get into the side frame 1 inside through upper cover flange nut 102, arouse the corruption, risk such as the inside intake of battery package improves the security that the battery package used.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery pack tray, comprising:
the side frame comprises a first side beam and a second side beam which are oppositely arranged along a first direction;
the two ends of the cross beam are respectively connected with the first edge beam and the second edge beam;
strengthen the welt, strengthen the welt and locate first boundary beam or the second boundary beam with the junction of crossbeam, strengthen the welt and have first connection face and second connection face, first connection face with the crossbeam links to each other, the second connection face with first boundary beam or the second boundary beam links to each other.
2. The battery pack tray of claim 1, wherein the reinforcing liner comprises a first reinforcing plate and a second reinforcing plate, the first reinforcing plate and the second reinforcing plate are connected and perpendicular to each other, the first connecting surface is disposed on a side surface of the first reinforcing plate facing away from the second reinforcing plate, and the second connecting surface is disposed on a side surface of the second reinforcing plate facing away from the first reinforcing plate.
3. The battery pack tray of claim 2, wherein the first and second edge beams are each welded to an end of the cross beam, and the first reinforcing plate is connected to the cross beam, the first edge beam, or the second edge beam to the second reinforcing plate by riveting.
4. The battery pack tray of claim 2, wherein a joint of the first reinforcing plate and the second reinforcing plate is provided with a reinforcing rib.
5. The battery pack tray of claim 2, wherein the reinforcing patch further comprises: the side plate is connected between the first reinforcing plate and the second reinforcing plate, and the first reinforcing plate and the second reinforcing plate are perpendicular to the side plate.
6. The battery pack tray as claimed in any one of claims 1 to 5, wherein an outer side edge of the first end of the side frame is provided with an inwardly recessed open groove, and a side wall of the open groove facing away from the second end of the side frame is provided with a connecting hole for connecting with the upper cover flange.
7. The battery pack tray of claim 6, wherein the open groove extends along a circumferential direction of the side frame, and the open groove has a rectangular ring shape.
8. The battery pack tray of any one of claims 1-5, further comprising: the bottom plate is installed at the second end of the side frame to enable the second end to be closed, an installation groove is formed in the inner side wall of the second end of the side frame, the side edge of the bottom plate is located in the installation groove, and the depth of the installation groove in the axial direction is equal to the thickness of the bottom plate.
9. The battery pack tray of claim 8, wherein the cross beam is adhesively connected to the bottom plate, and an overflow groove for injecting glue is formed in a surface of the cross beam connected to the bottom plate.
10. A battery pack characterized in that a battery pack tray according to any one of claims 1 to 9 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920883076.1U CN210723119U (en) | 2019-06-12 | 2019-06-12 | Battery pack tray and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920883076.1U CN210723119U (en) | 2019-06-12 | 2019-06-12 | Battery pack tray and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210723119U true CN210723119U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920883076.1U Expired - Fee Related CN210723119U (en) | 2019-06-12 | 2019-06-12 | Battery pack tray and battery pack |
Country Status (1)
| Country | Link |
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| CN (1) | CN210723119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883711A (en) * | 2020-08-10 | 2020-11-03 | 东风(武汉)实业有限公司 | Battery package protection beam |
| CN112701408A (en) * | 2020-12-25 | 2021-04-23 | 孚能科技(赣州)股份有限公司 | Bottom plate structure of box body chassis, battery pack and automobile |
| CN114792861A (en) * | 2021-01-26 | 2022-07-26 | 苏州亿创特智能制造有限公司 | Boundary beam of battery tray, battery tray and battery pack |
-
2019
- 2019-06-12 CN CN201920883076.1U patent/CN210723119U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883711A (en) * | 2020-08-10 | 2020-11-03 | 东风(武汉)实业有限公司 | Battery package protection beam |
| CN112701408A (en) * | 2020-12-25 | 2021-04-23 | 孚能科技(赣州)股份有限公司 | Bottom plate structure of box body chassis, battery pack and automobile |
| CN112701408B (en) * | 2020-12-25 | 2022-12-09 | 孚能科技(赣州)股份有限公司 | Bottom plate structure of box body chassis, battery pack and automobile |
| CN114792861A (en) * | 2021-01-26 | 2022-07-26 | 苏州亿创特智能制造有限公司 | Boundary beam of battery tray, battery tray and battery pack |
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