CN216698566U - Battery pack box - Google Patents
Battery pack box Download PDFInfo
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- CN216698566U CN216698566U CN202123305326.XU CN202123305326U CN216698566U CN 216698566 U CN216698566 U CN 216698566U CN 202123305326 U CN202123305326 U CN 202123305326U CN 216698566 U CN216698566 U CN 216698566U
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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 relates to battery package technical field especially relates to a battery package box, includes: the aluminum-reinforced plastic box comprises a glass fiber reinforced plastic box body, a first longitudinal aluminum reinforcing member, a transverse aluminum reinforcing member and a second longitudinal aluminum reinforcing member; the first longitudinal aluminum reinforcing member is embedded in the first side part of the glass fiber reinforced plastic box body and extends along the length direction of the glass fiber reinforced plastic box body; the second longitudinal aluminum reinforcing member is embedded in a second side part of the glass fiber reinforced plastic box body, which is opposite to the first side part, and extends along the length direction of the glass fiber reinforced plastic box body; the transverse aluminum reinforcing member is embedded between the first side part and the second side part of the glass fiber reinforced plastic box body and is respectively connected with the first longitudinal aluminum reinforcing member and the second longitudinal aluminum reinforcing member. Therefore, the battery pack box body is compact in structure, high in rigidity, light in weight and simple in forming process, stability between performance and weight is achieved, and the battery pack box body plays a positive role in reducing weight and improving energy density of the whole battery pack.
Description
Technical Field
The application relates to the technical field of battery packs, in particular to a battery pack box.
Background
At present, the box body of the battery pack is mainly designed based on steel and aluminum structures, so that the weight is heavier, and the development of a box body structure of the battery pack, which has high strength and light weight and can realize large space energy, is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a battery package box, has solved the urgent need that exists among the prior art to a certain extent and has researched and developed a section intensity height, light in weight to can realize the technical problem of the box structure of the battery package of big space internal energy.
The application provides a battery package box, include: the aluminum-reinforced plastic box comprises a glass fiber reinforced plastic box body, a first longitudinal aluminum reinforcing member, a transverse aluminum reinforcing member and a second longitudinal aluminum reinforcing member;
the first longitudinal aluminum reinforcing member is embedded in the first side part of the glass fiber reinforced plastic box body and extends along the length direction of the glass fiber reinforced plastic box body;
the second longitudinal aluminum reinforcing member is embedded in a second side part of the glass fiber reinforced plastic box body, which is opposite to the first side part, and extends along the length direction of the glass fiber reinforced plastic box body;
the transverse aluminum reinforcing member is embedded between the first side part and the second side part of the glass fiber reinforced plastic box body, and the transverse aluminum reinforcing member is respectively connected with the first longitudinal aluminum reinforcing member and the second longitudinal aluminum reinforcing member.
In the above technical solution, further, the glass fiber reinforced plastic box body includes a rectangular support frame, a plurality of bottom plates, and a plurality of transverse reinforcing ribs;
the bottom plates are arranged in the supporting frame, and are sequentially arranged at intervals along the length direction of the supporting frame; the supporting frame is divided into a first area and a second area along the length direction of the supporting frame; the transverse reinforcing ribs are arranged between any two adjacent bottom plates in the first area;
the first longitudinal aluminum reinforcing member is embedded in the first side part of the supporting frame, and the second longitudinal aluminum reinforcing member is embedded in the second side part of the supporting frame; the number of the transverse aluminum reinforcing members is multiple, and the plurality of the transverse aluminum reinforcing members are arranged among the plurality of the bottom plates in the second area.
In any of the above technical solutions, further, a cross section of the first side portion of the support frame along the width direction of the support frame has a first cavity and a second cavity that are communicated with each other, and the first cavity and the second cavity form an L shape;
the first longitudinal aluminum reinforcing member comprises a plurality of reinforcing plate pieces which are arranged in parallel, and the plurality of reinforcing plate pieces are connected through connecting plate pieces; wherein a portion of the reinforcement panel is disposed within the first cavity of the first side of the support frame, and wherein another portion of the reinforcement panel is disposed within the second cavity of the first side of the support frame.
In any of the above technical solutions, further, the number of the reinforcing plate members is three, and the reinforcing plate members are respectively a first reinforcing plate member, a second reinforcing plate member and a third reinforcing plate member;
the first reinforcing plate, the second reinforcing plate and the third reinforcing plate are sequentially arranged along the width direction of the supporting frame, the first reinforcing plate and the second reinforcing plate are arranged in the first cavity, and the third reinforcing plate is arranged in the second cavity; the connecting plate extends from the first cavity into the second cavity.
In any of the above technical solutions, further, a cross section of the connecting plate along the width direction of the glass fiber reinforced plastic box body is L-shaped;
the quantity of connecting the plate is a plurality of, and is a plurality of it sets up to connect the plate along the length direction interval in order of glass steel box.
In any of the above technical solutions, further, the second longitudinal aluminum reinforcing member and the first longitudinal aluminum reinforcing member are symmetrically disposed on two side portions of the supporting frame.
In any of the above technical solutions, further, the width and height of the transverse aluminum reinforcing member in the second region and close to the first region are both greater than the width and height of the rest of the transverse aluminum reinforcing members.
In any one of the above technical solutions, further, a ratio of an area of the first region to an area of the second region ranges from (4:3) to (3: 1).
In any of the above technical solutions, further, the glass fiber reinforced plastic box further includes two first aluminum hoisting members and two second aluminum hoisting members; the two first aluminum hoisting members are respectively arranged on a first side part and a second side part of the support frame, which are positioned in the first area;
the two second aluminum hoisting members are respectively arranged on a first side part and a second side part of the support frame, which are positioned in the second area; and the first aluminum hoisting member and the second aluminum hoisting member are both provided with hoisting through holes.
In any of the above technical solutions, further, the length of the first aluminum hoisting member is greater than that of the second aluminum hoisting member.
Compared with the prior art, the beneficial effect of this application is:
in the battery package box that this application provided, whole material uses the glass steel as the main, inlays at key atress and biography power region adoption aluminium part, carries out the structure and strengthens the design, when guaranteeing intensity, helps the lightweight design, owing to alleviateed the weight of totality, and then can realize the promotion of the energy density of battery package.
Therefore, the battery pack box body is compact in structure, high in rigidity, light in weight and simple in forming process, stability between performance and weight is achieved, and the battery pack box body plays a positive role in reducing weight and improving energy density of the whole battery pack.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a battery pack case provided in an embodiment of the present application;
fig. 2 is a schematic partial structural view of a battery pack case provided in an embodiment of the present application;
fig. 3 is a partial cross-sectional view of a battery pack case provided in an embodiment of the present application;
fig. 4 is a schematic diagram showing the results of a first-order modal analysis of a battery pack assembly (a) of the prior art and a battery pack assembly (b) having the present battery pack case.
Reference numerals:
1-a glass fiber reinforced plastic box body, 11-a support frame, 111-a first area, 112-a second area, 12-a bottom plate, 13-a transverse reinforcing rib, 14-a first side, 141-a first cavity, 142-a second cavity, 15-a second side, 2-a first longitudinal aluminum reinforcing member, 21-a reinforcing plate, 211-a first reinforcing plate, 212-a second reinforcing plate, 213-a third reinforcing plate, 22-a connecting plate, 3-a transverse aluminum reinforcing member, 4-a second longitudinal aluminum reinforcing member, 5-a first aluminum hoisting member and 6-a second aluminum hoisting member.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. 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.
In the description of the present application, 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, a removable connection, or an integral 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 application can be understood in a specific case by those of ordinary skill in the art.
A battery pack case according to some embodiments of the present application is described below with reference to fig. 1 to 4.
Referring to fig. 1 and 2, an embodiment of the present application provides a battery pack case including: the glass fiber reinforced plastic box body 1, a first longitudinal aluminum reinforcing member 2, a transverse aluminum reinforcing member 3 and a second longitudinal aluminum reinforcing member 4;
wherein, the first longitudinal aluminum reinforcement member 2 is embedded in the first side portion 14 of the glass fiber reinforced plastic box body 1 and extends along the length direction of the glass fiber reinforced plastic box body 1;
the second longitudinal aluminum reinforcing member 4 is embedded in the second side portion 15 of the glass fiber reinforced plastic box body 1 opposite to the first side portion 14 and extends along the length direction of the glass fiber reinforced plastic box body 1, and it is noted that the first side portion 14 and the second side portion 15 of the general battery pack box body are used as main parts for hoisting, so that the two positions need higher strength, and the first longitudinal aluminum reinforcing member 2 and the second longitudinal aluminum reinforcing member 4 are adopted for reinforcing, so that the safety and the reliability are improved.
The transverse aluminum reinforcing member 3 is embedded between the first side part 14 and the second side part 15 of the glass fiber reinforced plastic box body 1, the transverse aluminum reinforcing member 3 is respectively connected with the first longitudinal aluminum reinforcing member 2 and the second longitudinal aluminum reinforcing member 4, and the module is placed in the area between the first side part 14 and the second side part 15, so that the transverse aluminum reinforcing member 3 is arranged at the position, the strength is increased, and the bearing capacity is improved.
Based on the structure described above, the overall material is mainly made of glass fiber reinforced plastic, and the aluminum member is embedded in the key stress and force transmission area to reinforce the structure, so that the strength is ensured, the lightweight design is facilitated, and the overall weight is reduced, so that the energy density of the battery pack can be improved (the energy density of the battery pack is equal to the total electric quantity divided by the weight, and belongs to the known performance parameters in the field).
Therefore, the battery pack box body is compact in structure, high in rigidity, light in weight and simple in forming process, stability between performance and weight is achieved, and the battery pack box body plays a positive role in reducing weight and improving energy density of the whole battery pack.
Further, preferably, the glass fiber reinforced plastic box 1 and the first longitudinal aluminum reinforcing member 2, the transverse aluminum reinforcing member 3 and the second longitudinal aluminum reinforcing member 4 can be connected by riveting, gluing, etc.
In one embodiment of the present application, preferably, as shown in fig. 1 and 2, the glass fiber reinforced plastic box 1 includes a rectangular support frame 11, a plurality of bottom plates 12, and a plurality of transverse reinforcing ribs 13;
wherein, the plurality of bottom plates 12 are arranged in the supporting frame 11, and the plurality of bottom plates 12 are sequentially arranged at intervals along the length direction of the supporting frame 11; the support frame 11 is divided into a first area 111 and a second area 112 along the length direction thereof; a transverse reinforcing rib 13 is arranged between any two adjacent bottom plates 12 in the first area 111;
the first longitudinal aluminum reinforcing member 2 is embedded in the first side part 14 of the supporting frame 11, and the second longitudinal aluminum reinforcing member 4 is embedded in the second side part 15 of the supporting frame 11; the number of the transverse aluminum reinforcing members 3 is plural, and the plural transverse aluminum reinforcing members 3 are disposed between the plural bottom plates 12 of the second region 112.
Further, it is preferable that, as shown in fig. 1 and 2, the area ratio of the first region 111 to the second region 112 is 2:1, which is in accordance with the distribution of the load bearing areas in the battery pack assembly, that is, the second region 112 is the load bearing area of the main battery pack, and thus a plurality of transverse aluminum reinforcement members 3 are provided in the second region 112 to increase the strength, but it is not limited thereto as long as the area ratio of the first region 111 to the second region 112 is satisfied in the range of (4:3) - (3:1), for example: the area ratio of the first region 111 to the second region 112 is 4:3, or the area ratio of the first region 111 to the second region 112 is 3:1, so that in the actual production process, the appropriate ratio can be selected according to actual requirements.
In this embodiment, and as will be seen from the following description, the first side portion 14 and the second side portion 15 of the supporting frame 11 generally serve as hoisting areas, so that the first side portion 14 and the second side portion 15 thereof belong to stress areas, so that the first longitudinal aluminum reinforcing member 2 and the second longitudinal aluminum reinforcing member 4 are embedded in the first side portion 14 and the second side portion 15 of the supporting frame 11, so as to improve the strength, and in addition, the transverse reinforcing ribs 13 are additionally arranged in the second area 112, i.e., the main bearing area, so as to improve the strength of the area, while other parts can adopt glass fiber reinforced plastics with lower rigidity than aluminum, and the glass fiber reinforced plastics are lighter than steel and aluminum, so that the weight of the battery pack case can be effectively reduced.
Further, the supporting frame 11, the bottom plates 12 and the transverse reinforcing ribs 13 are preferably of an integrated structure, so that the whole structure is high in strength and not easy to damage.
In one embodiment of the present application, preferably, as shown in fig. 3, a cross section of the first side portion 14 of the support frame 11 along the width direction of the support frame 11 has a first cavity 141 and a second cavity 142 communicating with each other, and the first cavity 141 and the second cavity 142 form an L shape;
the first longitudinal aluminum reinforcement member 2 includes a plurality of reinforcement plate members 21 arranged in parallel, and the plurality of reinforcement plate members 21 are connected by a connection plate member 22; wherein a portion of the reinforcement panel 21 is disposed within the first cavity 141 of the first side 14 of the support frame 11, and wherein another portion of the reinforcement panel 21 is disposed within the second cavity 142 of the first side 14 of the support frame 11.
In this embodiment, the first side portion 14 and the second side portion 15 of the supporting frame 11 are configured as a hollow cavity, which contributes to a light weight design, and on the basis of the light weight design, in order to further ensure the strength, a reinforcing plate 21 is provided in the hollow cavity to play a role of enhancing the strength, and the plurality of reinforcing plates 21 are connected together, so that the overall strength is higher.
Further, it is preferable that the first cavity 141, the second cavity 142, and the reinforcement plate 21 all extend along the length direction of the support frame 11.
In one embodiment of the present application, preferably, as shown in fig. 2 and 3, the number of the reinforcement plate members 21 is three, and is a first reinforcement plate member 211, a second reinforcement plate member 212, and a third reinforcement plate member 213; the number of the connecting plate members 22 is two, and the connecting plate members are a first connecting plate member 22 and a second connecting plate member 22;
the first reinforcing plate 211, the second reinforcing plate 212 and the third reinforcing plate 213 are sequentially disposed along the width direction of the supporting frame 11, the first reinforcing plate 211 and the second reinforcing plate 212 are disposed in the first cavity 141, and the third reinforcing plate 213 is disposed in the second cavity 142;
the connecting plate 22 extends from the first cavity 141 to the second cavity 142.
In this embodiment, two reinforcing plate members 21, that is, the first reinforcing plate member 211 and the second reinforcing plate member 212, are provided in a region where a large force is applied, and one reinforcing plate member 21, that is, the third reinforcing plate member 213, is provided in a region where a small force is applied with respect to this region, so that the strength is ensured and the lightweight design is facilitated.
In one embodiment of the present application, as shown in fig. 2, the cross section of the connecting plate 22 along the width direction of the frp box 1 is preferably L-shaped, and is mainly matched with the L-shaped structure formed by the first cavity 141 and the second cavity 142, so as to ensure the consistency after assembly.
The number of the connecting plates 22 is plural, and the plural connecting plates 22 are sequentially arranged at intervals along the length direction of the glass fiber reinforced plastic box body 1, mainly to adapt to the plural reinforcing plates 21 extending along the length direction of the glass fiber reinforced plastic box body 1, so that the whole length direction has the same connecting strength.
In one embodiment of the present application, it is preferable that the second longitudinal aluminum reinforcing member 4 is disposed at both side portions of the support frame 11 symmetrically to the first longitudinal aluminum reinforcing member 2 as shown in fig. 1 and 2, and then the structure of the second longitudinal aluminum reinforcing member 4 can be analyzed with reference to the structure of the first longitudinal aluminum reinforcing member 2.
In the embodiment, the symmetrical structure is adopted, so that the whole structure is more harmonious, the appearance is attractive, and the design cost is saved.
In one embodiment of the present application, it is preferable that the width and height of the transverse aluminum reinforcement member 3 in the second region 112 and adjacent to the first region 111 are greater than those of the remaining transverse aluminum reinforcement members 3, as shown in fig. 1.
In this embodiment, the transverse aluminum reinforcing member 3 in the second region 112 and close to the first region 111 is a member with larger stress, so it needs to be designed to be wider and thicker to improve the strength.
In one embodiment of the present application, the transverse reinforcing rib 13 may preferably be a flat plate structure, or may also be an inverted U-shaped structure with an opening facing downward along the cross section of the glass fiber reinforced plastic box 1, i.e. a structure forming a beam, and of course, is not limited thereto, and may also be selected according to actual needs.
In one embodiment of the present application, preferably, as shown in fig. 1, the glass fiber reinforced plastic box 1 further comprises two first aluminum lifting members 5 and two second aluminum lifting members 6; wherein, two first aluminum hoisting members 5 are respectively arranged on the first side portion 14 and the second side portion 15 of the support frame 11 in the first region 111;
two second aluminum lifting members 6 are respectively provided on the first side portion 14 and the second side portion 15 of the support frame 11 at the second region 112;
the length of the first aluminum hoisting member 5 is greater than that of the second aluminum hoisting member 6, mainly to ensure the balance of the hoisting process, because the structure of the battery pack assembly at the second aluminum hoisting member 6 is heavy, and the structure of the battery pack assembly at the first aluminum hoisting member 5 is light, the first aluminum hoisting member 5 needs to be designed to be relatively long, so that a plurality of hoisting positions can be conveniently arranged, and the stability of the hoisting process can be ensured;
first aluminium hoisting component 5 and second aluminium hoisting component 6 all are formed with hoisting through hole for wear to establish the rope, perhaps hang and establish the couple.
In this embodiment, the first aluminum hoisting member 5 and the second aluminum hoisting member 6 are both used for hoisting the battery pack assembly, and further, preferably, the first aluminum hoisting member 5 includes a first auxiliary mounting plate and a second auxiliary mounting plate which are vertically arranged, the first auxiliary mounting plate is attached to the outer wall of the supporting frame 11 and can be connected by riveting or the like, the plate surface of the second auxiliary mounting plate is perpendicular to the height direction of the supporting frame 11, and the hoisting through holes are formed in the second auxiliary mounting plate, the structure of the first aluminum hoisting member 5 is the same as that of the second aluminum hoisting member 6, but the second aluminum hoisting member 6 is shorter than the first aluminum hoisting member 5.
In summary, the application provides a novel battery pack box body, wherein the overall material is mainly glass fiber reinforced plastic, and aluminum parts are adopted to be embedded in key stress and force transmission areas for structure reinforcement design; the arrangement positions and the number of the aluminum pieces are reasonably optimized, so that the stability between the performance and the weight is realized, and the forming process is simple; on the premise of unchanged performance, the weight is reduced by 11.7%, the effect is obvious, the economic benefit is improved, the cost is reduced, and the positive effect is achieved on improving the energy density of the whole battery pack.
On the basis of knowing the structural characteristics, the battery pack comprising the battery pack box body is analyzed in terms of vibration performance, specifically, the battery pack assembly is analyzed in terms of constrained mode, as shown in fig. 4, the analysis result shows that the first-order overall mode is 34.9Hz and is close to reference 35Hz, and the requirement on the vibration performance of the whole battery pack is met; meanwhile, the weight of the whole box body is reduced by 11.7% compared with that of an aluminum box body, the effect is very obvious, the table I is specifically referred, the structure before optimization specifically refers to a battery pack assembly with a common battery pack box body, and the structure after optimization specifically refers to the battery pack assembly with the battery pack box body provided by the application.
In addition, as can be seen from the battery pack assembly, the first region 111 of the battery pack case is the main load-bearing region, and therefore, a plurality of transverse reinforcing ribs 13 made of aluminum are arranged in the region to ensure the strength requirement.
TABLE 1 comparison of vibration analysis results
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A battery pack case, comprising: the aluminum-reinforced plastic box comprises a glass fiber reinforced plastic box body, a first longitudinal aluminum reinforcing member, a transverse aluminum reinforcing member and a second longitudinal aluminum reinforcing member;
the first longitudinal aluminum reinforcing member is embedded in the first side part of the glass fiber reinforced plastic box body and extends along the length direction of the glass fiber reinforced plastic box body;
the second longitudinal aluminum reinforcing member is embedded in a second side part of the glass fiber reinforced plastic box body, which is opposite to the first side part, and extends along the length direction of the glass fiber reinforced plastic box body;
the transverse aluminum reinforcing member is embedded between the first side part and the second side part of the glass fiber reinforced plastic box body, and the transverse aluminum reinforcing member is respectively connected with the first longitudinal aluminum reinforcing member and the second longitudinal aluminum reinforcing member.
2. The battery pack case of claim 1, wherein the glass fiber reinforced plastic case comprises a rectangular support frame, a plurality of bottom plates, and a plurality of transverse reinforcing ribs;
the bottom plates are arranged in the supporting frame, and are sequentially arranged at intervals along the length direction of the supporting frame; the supporting frame is divided into a first area and a second area along the length direction of the supporting frame; the transverse reinforcing ribs are arranged between any two adjacent bottom plates in the first area;
the first longitudinal aluminum reinforcing member is embedded in the first side part of the supporting frame, and the second longitudinal aluminum reinforcing member is embedded in the second side part of the supporting frame; the number of the transverse aluminum reinforcing members is multiple, and the plurality of the transverse aluminum reinforcing members are arranged among the plurality of the bottom plates in the second area.
3. The battery pack case according to claim 2, wherein a cross section of the first side portion of the support frame in the width direction of the support frame has a first cavity and a second cavity that communicate with each other, and the first cavity and the second cavity form an L-shape;
the first longitudinal aluminum reinforcing member comprises a plurality of reinforcing plate pieces which are arranged in parallel, and the plurality of reinforcing plate pieces are connected through connecting plate pieces; wherein a portion of the reinforcement panel is disposed within a first cavity of the first side of the support frame, wherein another portion of the reinforcement panel is disposed within a second cavity of the first side of the support frame.
4. The battery pack case according to claim 3, wherein the number of the reinforcing plates is three, and the reinforcing plates are a first reinforcing plate, a second reinforcing plate and a third reinforcing plate, respectively;
the first reinforcing plate, the second reinforcing plate and the third reinforcing plate are sequentially arranged along the width direction of the supporting frame, the first reinforcing plate and the second reinforcing plate are arranged in the first cavity, and the third reinforcing plate is arranged in the second cavity; the connecting plate extends from the first cavity into the second cavity.
5. The battery pack case according to claim 4, wherein the connection plate has an L-shaped cross section in the width direction of the glass fiber reinforced plastic case;
the quantity of connecting the plate is a plurality of, and is a plurality of it sets up to connect the plate along the length direction interval in order of glass steel box.
6. The battery pack case according to claim 3, wherein the second longitudinal aluminum reinforcement member is provided at both side portions of the support frame symmetrically to the first longitudinal aluminum reinforcement member.
7. The battery pack case of claim 2, wherein the width and height of the transverse aluminum reinforcement member within the second region and adjacent to the first region are greater than the width and height of the remaining transverse aluminum reinforcement members.
8. The battery pack case according to claim 2, wherein the area ratio of the first region to the second region ranges from (4:3) to (3: 1).
9. The battery pack case of any one of claims 2 to 8, wherein the fiberglass case further comprises two first aluminum lifting members and two second aluminum lifting members; the two first aluminum hoisting members are respectively arranged on a first side part and a second side part of the support frame, which are positioned in the first area;
the two second aluminum hoisting members are respectively arranged on a first side part and a second side part of the support frame, which are positioned in the second area; and the first aluminum hoisting member and the second aluminum hoisting member are both provided with hoisting through holes.
10. The battery pack case of claim 9, wherein the first aluminum lifting member is longer than the second aluminum lifting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305326.XU CN216698566U (en) | 2021-12-24 | 2021-12-24 | Battery pack box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305326.XU CN216698566U (en) | 2021-12-24 | 2021-12-24 | Battery pack box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216698566U true CN216698566U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123305326.XU Active CN216698566U (en) | 2021-12-24 | 2021-12-24 | Battery pack box |
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2021
- 2021-12-24 CN CN202123305326.XU patent/CN216698566U/en active Active
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