CN216915504U - Battery tray, battery module and vehicle - Google Patents
Battery tray, battery module and vehicle Download PDFInfo
- Publication number
- CN216915504U CN216915504U CN202220658509.5U CN202220658509U CN216915504U CN 216915504 U CN216915504 U CN 216915504U CN 202220658509 U CN202220658509 U CN 202220658509U CN 216915504 U CN216915504 U CN 216915504U
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- battery tray
- outer frame
- bottom plate
- battery
- mounting step
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a battery tray, a battery module and a vehicle, wherein the battery tray comprises: the aluminum alloy frame comprises a bottom plate and a first frame, wherein the first frame is installed on the side portion of the bottom plate, the first frame comprises an outer frame shell made of aluminum alloy and a reinforcing piece made of steel, an accommodating cavity is formed in the outer frame shell, and the reinforcing piece is fixedly installed in the accommodating cavity. The technical scheme of the utility model aims to improve the structural strength of the frame of the battery tray so as to ensure the working performance of the battery module.
Description
Technical Field
The utility model relates to the field of vehicle accessories, in particular to a battery tray, a battery module and a vehicle.
Background
With the increasing share of the electric vehicle market, the safety of the electric vehicle is more and more concerned, wherein the safety of the battery module is the most important, the battery module comprises a power battery and a battery tray for installing the power battery, and the battery tray is also used for protecting the battery. However, in the existing battery tray, the frame of the battery tray has poor structural strength and is easy to deform, so that the power battery is not stably installed, and even the structure of the power battery is possibly damaged, thereby greatly affecting the working performance of the battery module.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a battery tray, aiming at improving the structural strength of a frame of the battery tray so as to ensure the working performance of a battery module.
In order to achieve the above object, the present invention provides a battery tray, comprising:
a base plate; and
the first frame is installed on the side portion of the bottom plate and comprises an outer frame shell made of aluminum alloy and a reinforcing piece made of steel, a containing cavity is formed in the outer frame shell, and the reinforcing piece is fixedly installed in the containing cavity.
Optionally, the reinforcement and the outer frame housing are connected by at least one of a fastener and an adhesive.
Optionally, the reinforcing member includes main part and connecting plate that are connected, the main part includes relative and first lateral part and the second lateral part of establishing, first lateral part is equipped with the connection concave part, the connection concave part orientation the second lateral part is sunken, and be connected in the second lateral part, the one side of connecting the concave part and deviating from the second lateral part is formed with the connection breach, the connecting plate covers the connection breach sets up.
Alternatively, when the reinforcing member and the outer frame housing are connected by the fastening member, the outer frame housing is connected to the connecting plate by the fastening member.
Optionally, when the reinforcing member and the outer frame shell are connected by the adhesive, the adhesive is a structural adhesive or an expansion adhesive.
Optionally, the second side portion is provided with a glue storage groove, and the glue storage groove is used for filling the adhesive.
Optionally, the main body part is integrally formed by stamping or rolling.
Optionally, the battery tray further includes a second frame made of an aluminum alloy, the first frame is mounted on the bottom plate along a length direction of the bottom plate, and the second frame is mounted on a side portion of the bottom plate along a width direction of the bottom plate.
Optionally, the first frame and the second frame are connected by welding.
Optionally, the outer frame casing is provided with a first mounting step, and the bottom plate is lapped on the first mounting step.
Optionally, the outer frame shell is provided with a first bearing portion and a second bearing portion, the first bearing portion is convexly arranged from the first mounting step towards the direction deviating from the upper surface of the bottom plate, the second bearing portion is convexly arranged from the first mounting step towards the side deviating from the end surface of the bottom plate, and the first bearing portion is internally provided with the accommodating cavity.
Optionally, the outer frame shell is provided with a second mounting step connected to the first mounting step, the second mounting step is arranged opposite to the upper surface of the bottom plate, and the battery tray is further provided with a sealing strip in interference fit between the bottom plate and the second mounting step.
The utility model further provides a battery module which comprises a power battery and the battery tray, wherein the power battery is arranged on the battery tray.
The utility model further provides a vehicle which comprises the battery module.
In the technical scheme of the utility model, the outer frame shell of the first frame is made of the aluminum alloy material, the reinforcing piece made of the steel material is accommodated in the outer frame shell, the steel has high structural strength, and the bending resistance is superior to that of the aluminum alloy, so that the outer frame shell cannot be easily deformed under the support of the reinforcing piece, the bending resistance of the frame is improved, the structural strength of the battery tray is ensured, and the battery tray can be used for stably mounting the power battery so as to ensure the normal work of the power battery. In addition, the size of the reinforcing part installed in the outer frame shell is not too large, excessive weight cannot be added to the battery tray, and the lightweight design of the battery tray can be guaranteed.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a battery tray according to an embodiment of the present invention;
fig. 2 is a partial structural sectional view of one embodiment of the battery tray of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Base plate | 2211 | A |
| 200 | |
2212 | |
| 210 | |
2213 | Connecting |
| 211 | Containing |
2214 | |
| 212 | |
2215 | |
| 213 | |
222 | Connecting |
| 214 | First bearing |
300 | Fastening |
| 215 | Second bearing |
400 | |
| 220 | Reinforcing |
500 | |
| 221 | |
600 | Sealing strip |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a battery tray.
Referring to fig. 1 and 2, in the present invention, the battery tray includes a bottom plate 100 and a first frame 200, the first frame 200 is mounted on a side portion of the bottom plate 100, the first frame 200 includes an outer frame case 210 made of an aluminum alloy material and a reinforcement member 220 made of a steel material, a receiving cavity 211 is formed in the outer frame case 210, and the reinforcement member 220 is fixedly mounted in the receiving cavity 211.
Among the prior art, battery tray's frame generally adopts the aluminum alloy material to make, and the bending resistance of aluminum alloy is poor, and structural strength is not enough, leads to the frame to warp easily, is unfavorable for power battery stable erection, and when the frame warp seriously, can invade power battery even, causes destruction to power battery's structure, has greatly influenced battery module's working property.
In the utility model, the outer frame shell 210 of the first frame 200 is made of an aluminum alloy material, and the reinforcing member 220 made of a steel material is accommodated in the outer frame shell, so that the steel has high structural strength and bending resistance superior to that of the aluminum alloy, and therefore, the outer frame shell 210 cannot be easily deformed under the support of the reinforcing member 220, thereby improving the bending resistance of the frame to ensure the structural strength of the battery tray, so that the battery tray can be used for stably mounting a power battery to ensure the normal operation of the power battery. In addition, the volume of the reinforcing member 220 installed in the outer frame case 210 is not too large, so that excessive weight is not added to the battery tray, and the lightweight design of the battery tray can be ensured.
Further, the reinforcing member 220 and the outer frame case 210 are coupled by at least one of a fastener 300 and an adhesive 400. The fastening member 300 and the adhesive 400 can both provide for the reinforcing member 220 and the outer frame shell 210 to be fixedly connected, and the reinforcing member 220 can be fixedly connected to the outer frame shell 210 in a single manner, for example, only by the fastening member 300 or only by the adhesive 400, or can be fixedly connected to the outer frame shell 210 in a combined manner by the fastening member 300 and the adhesive 400. Of course, in other embodiments, the reinforcing member 220 and the outer frame shell 210 may be connected by welding or by snap-fit or plug-in connection.
Further, in the present embodiment, the reinforcing member 220 includes a main body 221 and a connecting plate 222 connected to each other, the main body 221 includes a first side 2211 and a second side 2212 opposite to each other, the first side 2211 is provided with a connecting concave portion 2213, the connecting concave portion 2213 is concave toward the second side 2212 and is connected to the second side 2212, a connecting notch 2214 is formed on a side of the connecting concave portion 2213 facing away from the second side 2212, and the connecting plate 222 is disposed to cover the connecting notch 2214. In this embodiment, the reinforcing member 220 is substantially in a shape of a Chinese character 'mu', and has sufficient compressive strength and tensile strength, so that the reinforcing member 220 can have sufficient bending resistance, and can well support the outer frame shell 210 in the accommodating cavity 211 to prevent the outer frame shell 210 from bending and deforming. In addition, for the reinforcement member 220 in this embodiment, the connecting plate 222 may be fixedly mounted on the main body portion 221 after the main body portion 221 is integrally formed, so as to improve the processing convenience of the reinforcement member 220 and ensure the production efficiency of the reinforcement member 220, wherein the main body portion 221 may be integrally formed by stamping or rolling, and the connecting plate 222 may be connected to the first side portion 2211 by welding. Of course, in other embodiments, the main body 221 and the connecting plate 222 may be integrally formed with the reinforcing member 220 by casting, and the structure of the reinforcing member 220 is not limited to the "t" shape, and only needs to ensure a certain compressive strength in the longitudinal direction and a certain tensile strength in the transverse direction.
In an embodiment, the reinforcing member 220 and the outer frame shell 210 are connected by the fastener 300 and the adhesive 400, that is, the reinforcing member 220 and the outer frame shell 210 are connected in a composite manner, so that the connection stability of the reinforcing member 220 and the outer frame shell 210 can be improved, and when one of the connection manners fails, the reinforcing member 220 can still be relatively fixed to the outer frame shell 210. Without loss of generality, in the present embodiment, the fastening member 300 and the adhesive 400 are respectively used for fixedly connecting two opposite sides of the reinforcing member 220 with the outer frame shell 210.
Specifically, the outer frame shell 210 is connected to the connecting plate 222 through the fastening member 300, wherein the fastening member 300 may be a bolt, a screw, a welding nail, or the like, it can be understood that both the fastening member 300 and the connecting plate need to be provided with a mounting hole for the fastening member 300 to pass through, the connecting plate 222 has a simple structure, and the mounting hole is convenient to process, which is beneficial to ensuring the production efficiency of the reinforcing member 220. Of course, in other embodiments, a cylindrical structure may be welded to the main body 221, and a mounting hole is formed for the fastening member 300 to be fixedly connected.
Further, the second side portion 2212 is provided with a glue storage groove 2215, and the glue storage groove 2215 is used for filling the adhesive 400, so that the contact area between the second side portion 2212 and the adhesive 400 can be increased, and the installation stability of the reinforcing member 220 and the outer frame shell 210 can be improved. Wherein, the adhesive 400 is a structural adhesive or an expansion adhesive. The structural adhesive can bear large load, is aging-resistant, fatigue-resistant and corrosion-resistant, has stable performance in the expected life, can ensure that the reinforcing part 220 and the outer frame shell 210 are stably connected, has good adhesive force on steel by expansion adhesive, is uniformly foamed after curing, has good elasticity and corrosion resistance, and therefore, the reinforcing part 220 and the outer frame shell 210 are adhesively connected by any one, and can be stably and durably bonded. Of course, in other embodiments, the adhesive 400 may be a liquid type adhesive or other solid type adhesive.
In one embodiment, the battery tray further includes a second frame 500 made of an aluminum alloy, the first frame 200 is mounted on the bottom plate 100 along a length direction of the bottom plate 100, and the second frame 500 is mounted on a side portion of the bottom plate 100 along a width direction of the bottom plate 100. It can be understood that, because the width of bottom plate 100 is less, the battery tray is difficult to take place bending deformation in the width direction of bottom plate 100, consequently, sets up the material of second frame 500 into single aluminum alloy material, and the light in weight of second frame 500 is favorable to the lightweight design of guarantee battery tray. Because the length of bottom plate 100 is longer, there is the risk of bending deformation in the length direction of bottom plate 100 for the battery layer board, and first frame 200 is installed along the length direction of bottom plate 100, and under the supporting action of reinforcement 220, bottom plate 100 and first frame 200 are difficult for taking place bending deformation in the length direction of bottom plate 100, have promoted the bending resistance of battery tray in the length direction of bottom plate 100 from this to the structural strength of guarantee battery tray, so that the battery tray can supply power battery to install stably.
Further, in the present embodiment, the first frame 200 and the second frame 500 are connected by welding. Specifically, the two ends of the second frame 500 are welded and fixed to the outer frame housing 210 of the first frame 200, the second frame 500 and the outer frame housing 210 are made of aluminum alloy, and the welding and fixing stability is high, so that the structural stability of the battery tray is further improved. Of course, in other embodiments, the first bezel 200 and the second bezel 500 may be fixedly connected by means of a snap fit or an adhesive or a screw lock.
In an embodiment, the outer frame housing 210 is provided with a first mounting step 212, and the bottom plate 100 is overlapped on the first mounting step 212. The first mounting step 212 is provided to facilitate positioning and assembling of the bottom plate 100 and the outer frame housing 210. Wherein, the end of the base plate 100 may be connected to the step surface of the first mounting step 212 by means of bonding, welding, or the like.
Further, in this embodiment, the outer frame housing 210 is further provided with a second mounting step 213 connected to the first mounting step 212, the second mounting step 213 is disposed opposite to the upper surface of the bottom plate 100, and the battery tray is further provided with a sealing strip 600, wherein the sealing strip 600 is in interference fit between the bottom plate 100 and the second mounting step 213. Thus, the sealing strip 600 is arranged on the inner side of the joint of the outer frame shell 210 and the bottom plate 100 to realize the sealing connection of the bottom plate 100 and the outer frame shell 210, and the water in the external environment is prevented from permeating into the battery tray to influence the safety performance of the battery.
In addition, the second frame 500 may also be provided with mounting steps for overlapping the bottom plate 100, so as to facilitate the positioning and assembly of the bottom plate 100 and the second frame 500. Similarly, the bottom plate 100 is fixedly connected to the mounting step by bonding or welding, and further, the second frame 500 may further be provided with another mounting step for interference fit of the sealing strip 600, so as to achieve sealed connection between the second frame 500 and the bottom plate 100.
Further, in this embodiment, the outer frame shell 210 is provided with a first force-bearing portion 214 and a second force-bearing portion 215, the first force-bearing portion 214 is protruded from the first mounting step 212 toward a direction away from the upper surface of the base plate 100, the second force-bearing portion 215 is protruded from the first mounting step 212 toward a side away from the end surface of the base plate 100, and the first force-bearing portion 214 is provided with the accommodating cavity 211 therein. First load-bearing part 214 and second load-bearing part 215 play the supporting role respectively in different positions, can share the atress of the junction of bottom plate 100 and first frame 200, avoid the junction stress of bottom plate 100 and first frame 200 too concentrated, lead to first frame 200 and bottom plate 100 to be connected unstably, and cause the battery tray to take place structural damage, cause power battery installation unstable, influence the working property of battery module. The first force bearing part 214 is provided with an accommodating cavity 211 for accommodating the mounting reinforcing part 220, so that the first frame 200 can better support the power battery, and a plurality of cavity structures are formed in the second force bearing part 215, so that the weight of the first frame 200 is further reduced, and the lightweight design of the battery tray is guaranteed.
The present invention further provides a battery module, which includes a power battery and a battery tray, wherein the power battery is mounted on the battery tray, and the specific structure of the battery tray refers to the above embodiments.
The utility model further provides a vehicle comprising the battery module, so that all technical solutions of all the embodiments are adopted, and at least all beneficial effects brought by the technical solutions of the embodiments are achieved, and detailed description is omitted.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A battery tray, characterized by comprising
A base plate; and
the first frame is installed on the side portion of the bottom plate and comprises an outer frame shell made of aluminum alloy and a reinforcing piece made of steel, a containing cavity is formed in the outer frame shell, and the reinforcing piece is fixedly installed in the containing cavity.
2. The battery tray of claim 1, wherein the reinforcing member and the outer frame housing are connected by at least one of a fastener and an adhesive.
3. The battery tray according to claim 2, wherein the reinforcing member includes a main body portion and a connecting plate connected to each other, the main body portion includes a first side portion and a second side portion arranged opposite to each other, the first side portion is provided with a connecting recess portion recessed toward the second side portion and connected to the second side portion, a side of the connecting recess portion facing away from the second side portion is formed with a connecting notch, and the connecting plate is arranged to cover the connecting notch.
4. The battery tray according to claim 3, wherein when the reinforcing member and the outer frame housing are connected by the fastening member, the outer frame housing is connected to the connecting plate by the fastening member;
or, when the reinforcement and the outer frame shell are connected by the adhesive, the adhesive is a structural adhesive or an expansion adhesive, and/or the second side is provided with a glue storage groove for filling the adhesive;
and/or the main body part is integrally formed by stamping or rolling.
5. The battery tray according to claim 1, further comprising a second frame made of an aluminum alloy, wherein the first frame is attached to the bottom plate along a length direction of the bottom plate, and the second frame is attached to a side portion of the bottom plate along a width direction of the bottom plate.
6. The battery tray of claim 5, wherein the first rim and the second rim are connected by welding.
7. The battery tray according to claim 1, wherein the outer frame case is provided with a first mounting step, and the bottom plate is lapped over the first mounting step.
8. The battery tray of claim 7, wherein the outer frame shell is provided with a first bearing portion and a second bearing portion, the first bearing portion is arranged in a protruding manner from the first mounting step in a direction away from the upper surface of the bottom plate, the second bearing portion is arranged in a protruding manner from the first mounting step in a direction away from one side of the end surface of the bottom plate, and the first bearing portion is internally provided with the accommodating cavity;
and/or the outer frame shell is provided with a second mounting step connected with the first mounting step, the second mounting step is arranged on the upper surface of the base plate, the battery tray is further provided with a sealing strip, and the sealing strip is in interference fit between the base plate and the second mounting step.
9. A battery module comprising a power battery and the battery tray of any one of claims 1 to 8, wherein the power battery is mounted to the battery tray.
10. A vehicle characterized by comprising the battery module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658509.5U CN216915504U (en) | 2022-03-24 | 2022-03-24 | Battery tray, battery module and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658509.5U CN216915504U (en) | 2022-03-24 | 2022-03-24 | Battery tray, battery module and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216915504U true CN216915504U (en) | 2022-07-08 |
Family
ID=82229743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220658509.5U Active CN216915504U (en) | 2022-03-24 | 2022-03-24 | Battery tray, battery module and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216915504U (en) |
-
2022
- 2022-03-24 CN CN202220658509.5U patent/CN216915504U/en active Active
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