Battery mounting rack, frame assembly and vehicle

Abstract

The battery mounting rack comprises a rack body, a mounting structure and a butt joint structure, the rack body is suitable for being mounted on a vehicle body, the mounting structure is integrated on the rack body and used for mounting a battery, and the butt joint structure is also integrated on the rack body and used for being connected with the vehicle body and being in butt joint with the battery. And the battery and the vehicle body form circuit and / or liquid path communication.

Description

[0001] Cross-reference to related applications

[0002] This application is based on and claims priority to Chinese Patent Application No. 202310799478.4, filed on June 30, 2023, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of batteries, specifically to a battery mounting bracket, a frame assembly, and a vehicle. Background Technology

[0004] Energy conservation and emission reduction are key to the sustainable development of the automotive industry, and electric vehicles, due to their energy-saving and environmentally friendly advantages, have become an important component of this sustainable development. For electric vehicles, battery technology is a crucial factor in their development. Battery swapping in vehicles not only requires battery removal and installation but also the connection of wiring and piping between the battery and the vehicle, resulting in relatively low swapping efficiency. Summary of the Invention

[0005] In view of the above problems, this application provides a battery mounting bracket, a frame assembly, and a vehicle, which can improve battery swapping efficiency and battery swapping success rate.

[0006] In a first aspect, this application provides a battery mounting bracket, including: a bracket body, a docking structure, and a mounting structure. The bracket body is adapted to be installed on a vehicle body. The mounting structure is integrated on the bracket body and is used to mount a battery. The docking structure is also integrated on the bracket body and is used to connect the vehicle body and the docking battery so that the battery and the vehicle body form an electrical and / or liquid circuit connection.

[0007] In the technical solution of this application embodiment, by integrating both the mounting structure and the docking structure onto the frame body, when installing the battery on the vehicle body using such a battery mounting frame, the battery can be mounted and installed through the mounting structure integrated on the frame body, and the electrical and / or fluid circuits between the battery and the vehicle body can be connected through the docking structure integrated on the frame body. This eliminates the need for connecting wires and pipes, simplifying the cumbersome battery swapping operation and improving swapping efficiency. Furthermore, since both the mounting structure and the docking structure are integrated onto the frame body, the reference benchmark for the battery mounting connection position is consistent with that for the water and electricity docking position; that is, the reference benchmark is the frame body itself, thereby improving the battery swapping success rate.

[0008] In some embodiments, the frame body includes a main body and an extension. The main body is adapted to be installed on a vehicle body, a docking structure is provided on the main body, one end of the extension is connected to the main body, the other end extends in a direction away from the main body, and a mounting structure is provided on the extension.

[0009] In the above technical solution, since the frame body includes a main body and an extension, and one end of the extension is connected to the main body and the other end extends away from the main body, the docking structure and the mounting structure are respectively set in the main body and the extension, that is, the docking structure and the mounting structure are respectively set in different positions of the frame body, so as to avoid the mounting structure and the docking structure from interfering with each other, which helps to reduce the difficulty of the docking structure and the mounting structure in matching with the battery 30.

[0010] In some embodiments, the main body includes a beam clearance groove having an opening extending in a first direction, and the mating structure is located within the beam clearance groove.

[0011] In the above technical solution, by providing a beam clearance groove on the main body, at least a portion of the beam can extend into the beam clearance groove when the main body is connected to the vehicle body, making the connection between the main body and the vehicle body more compact. Furthermore, by setting the docking structure within the beam clearance groove, on the one hand, the space within the beam clearance groove can be fully utilized to improve space utilization and reduce the space occupied by the docking structure on other positions of the battery mounting bracket. On the other hand, the docking structure can be protected by the inner wall of the beam clearance groove, reducing the probability of the docking structure being damaged by impacts and improving the problem of the docking structure failing due to corrosion caused by mud and water.

[0012] In some embodiments, the main body includes a plurality of first main body walls spaced apart along a first direction, with an avoidance opening formed between two adjacent first main body walls, and the docking interface of the docking structure is higher than the first main body wall and is provided corresponding to the avoidance opening.

[0013] In the above technical solution, because the docking interface of the docking structure is higher than the first main body wall, the docking interface of the docking structure has a greater height from the ground, which provides better protection. Furthermore, the height setting of the docking interface helps save space, increasing the height of the battery, improving the tightness of the fit between the battery mounting bracket and the battery, making full use of space, and increasing the size and energy density of the battery. Moreover, by providing an clearance opening, when the battery is mounted on the battery mounting bracket, a portion of the battery can extend upwards into the clearance opening and dock with the docking interface of the docking structure, thus meeting the docking requirements.

[0014] In some embodiments, the docking structure includes a support frame and a docking device. The support frame includes a support portion and a support leg portion. The docking device is disposed on the support portion. The support leg portion extends from both ends of the support portion in a first direction toward the first main body wall and is connected to the first main body wall.

[0015] In the above technical solution, by setting the docking device on the support portion and setting the support legs to extend from both ends of the support portion in the first direction X toward the first main body and connect them to the first main body wall, the support portion can be spaced apart from the first main body wall. This allows the support frame to be constructed in a shape that can avoid the battery upwards, and facilitates increasing the installation height of the docking device, thus saving space to increase the height of the battery. Furthermore, when the first direction X is the length direction of the vehicle, setting the two support legs on both sides of the support portion in the first direction X only occupies the space of the battery in the length direction of the vehicle. This space is relatively ample, reducing the space occupied by the battery in the width direction of the vehicle, which is beneficial for increasing the size and energy density of the battery in the width direction of the vehicle.

[0016] In some embodiments, the support portion has a first weight-reducing structure, and / or, the connection between the support leg portion and the support portion is provided with a first reinforcing structure.

[0017] In the above technical solution, by setting a first weight-reducing structure on the load-bearing part, the weight of the load-bearing part is reduced, thereby reducing the weight of the docking structure, to achieve a lightweight design of the docking structure. And / or by setting a first reinforcing structure at the connection between the load-bearing part and the support leg, the structural strength of the connection between the load-bearing part and the support leg is enhanced, reducing the possibility of breakage at the connection between the support leg and the load-bearing part.

[0018] In some embodiments, the support frame is a single molded part and is assembled and connected to the first main body wall.

[0019] In the above technical solution, by setting the support frame as an integrally molded part, the difficulty of setting the support frame is reduced, and the overall structural strength of the support frame is guaranteed. Furthermore, the support frame is assembled and connected with the first main body wall, which reduces the difficulty of assembling and disassembling the support frame and the first main body wall, and improves the production efficiency of the battery mounting bracket.

[0020] In some embodiments, the clearance openings are a plurality of openings spaced apart along a first direction, and each clearance opening is provided with a docking structure.

[0021] In the above technical solution, by setting multiple clearance openings, when multiple batteries are mounted on the battery mounting rack, the circuit and / or fluid circuit of multiple batteries can be connected to the vehicle body through multiple docking structures. That is, each battery can achieve the connection requirement with the vehicle body's circuit and / or fluid circuit through the docking of the corresponding docking structure. Thus, the vehicle can achieve individual connection with each battery through the corresponding docking structure, which is beneficial for each battery to work independently or be controlled independently by the vehicle body.

[0022] In some embodiments, the main body includes a second main body wall extending along a first direction. There are two second main body walls that are spaced apart along a second direction that intersects the first direction. The two second main body walls are connected to the two ends of each first main body wall in the second direction to form a top-open vehicle beam clearance groove between the first main body wall and the second main body wall. The extension is connected to the second main body wall and is located on the side of the second main body wall away from the first main body wall in the second direction.

[0023] In the above technical solution, by setting a second main body wall, multiple first and second main body walls can be connected into an integral structure, thereby reducing the difficulty of setting and molding the main body and defining the extension direction of the beam avoidance groove, allowing it to extend along the first direction. Furthermore, since the top of the beam avoidance groove is open, the main body can be pushed upwards from bottom to top, allowing the beam to enter the groove. This reduces the difficulty of assembling the battery mounting bracket to the vehicle body, and the battery mounting bracket can be subsequently installed on an already assembled vehicle body, making it suitable for various vehicle models. Moreover, connecting the extension to the side of the second main body wall away from the first main body wall in the second direction increases the length of the extension in the second direction while avoiding interference between the extension and the beam, thus expanding the battery mounting space in the second direction. It also facilitates the connection between the extension and the main body.

[0024] In some embodiments, one side of the main body is provided with a plurality of extensions spaced apart along a first direction, and a battery mounting space is defined between two adjacent extensions.

[0025] In the above technical solution, by providing multiple extensions spaced apart along a first direction on one side of the main body, the battery mounting space is limited between two adjacent extensions along the first direction, and the extensions can be used to protect the battery. When the first direction is set to the length direction of the vehicle, and the mounting structure is set on the extensions, neither the mounting structure nor the extensions will occupy the battery space in the width direction of the vehicle. This increases the size of the battery mounting space in the width direction of the vehicle, thereby increasing the size of the battery in the width direction and improving the dimensional energy density of the battery. Moreover, setting the first direction to the length direction of the vehicle, since the length of the vehicle is relatively large, also helps to increase the size or number of battery mounting spaces in the length direction of the vehicle, thereby further improving the dimensional energy density or number of batteries.

[0026] In some embodiments, one side of the main body is provided with a plurality of battery mounting spaces spaced apart along a first direction, and there are a plurality of docking structures spaced apart along the first direction, and the plurality of docking structures and the plurality of battery mounting spaces are arranged opposite to each other along a second direction intersecting the first direction.

[0027] In the above technical solution, by setting multiple battery mounting spaces spaced apart along a first direction on one side of the main body, the battery mounting rack can have the function of mounting multiple batteries in the first direction, that is, realizing the multi-pack mounting function, which is conducive to flexible battery swapping. Moreover, the docking structure is set opposite to the battery mounting space along the second direction. The distribution direction of the docking structure does not occupy the space of the battery mounting space in the first direction. That is, while the docking structure docks with the battery, it does not occupy the space in the arrangement direction of the multiple battery mounting spaces. This is conducive to increasing the number or size of the battery mounting spaces arranged along the first direction, improving space utilization, and enabling the battery mounting rack to mount more or larger batteries.

[0028] In some embodiments, a mounting structure is arranged on the side of the extension facing the battery mounting space.

[0029] In the above technical solution, by arranging a mounting structure on the side of the extension facing the battery mounting space, the mounting structure corresponds to the specific battery mounting space it faces. This allows for the mounting of the battery to be mounted in that particular battery mounting space, thus clearly defining the correspondence between the mounting structure and the battery mounting space. Extending the battery into the battery mounting space allows it to connect with the mounting structure facing that space, facilitating convenient battery mounting. Furthermore, when there are multiple battery mounting spaces, the mounting structures corresponding to different spaces are positioned differently and do not interfere with each other. This ensures that the mounting structure for each battery mounting space has sufficient space for flexible placement, making it easier and more reliable to mount the battery.

[0030] In some embodiments, at least one of the extensions arranged along the first direction is a common extension, and the common extension has battery mounting spaces on both sides of the first direction, and mounting structures are arranged on both sides of the battery mounting spaces facing both sides of the common extension.

[0031] In the above technical solution, when the number of battery mounting spaces spaced at intervals along the extension direction of the main body is fixed, the number of extensions spaced at intervals along the extension direction of the main body can be reduced, thereby helping to reduce costs and vehicle load. Furthermore, since mounting structures are arranged on both sides of the battery mounting spaces facing both sides of the common extension, batteries in two adjacent battery mounting spaces in the first direction can be mounted on the mounting structures on both sides of the common extension, making battery mounting more compact and reducing the difficulty of setting up the mounting structures.

[0032] In some embodiments, the mounting structures on both sides of the common extension are misaligned in their orthographic projections onto a projection plane perpendicular to the first direction.

[0033] In the above technical solution, by setting the orthographic projection misalignment of the mounting structures on both sides of the common extension on the projection plane perpendicular to the first direction, the stress distribution of the common extension is made more reasonable. When the batteries in the battery mounting spaces on both sides of the common extension are connected to the mounting structures on both sides of the common extension, stress concentration can be reduced, which can lead to deformation, breakage and other problems in the common extension, thereby improving the service life of the common extension and thus improving the mounting reliability of the batteries.

[0034] In some embodiments, mounting structures are provided on the extensions on both sides of the battery mounting space in the first direction.

[0035] In the above technical solution, the extensions on both sides of the battery mounting space in the first direction can both serve to support the battery in the battery mounting space. The mounting structures on both sides can distribute the force to reduce stress concentration and thus reduce problems such as deformation and breakage of the extensions, improve the service life of the shared extensions, and thereby improve the mounting reliability of the battery.

[0036] In some embodiments, the mounting structures on both sides of the battery mounting space are misaligned in their orthographic projections onto a projection plane perpendicular to the first direction.

[0037] In the above technical solution, by setting the mounting structures on both sides of the battery mounting space to be misaligned in orthographic projection on the projection plane in the first direction, it is further beneficial to distribute the stress on the mounting structures on both sides, and to further improve the problems of deformation and breakage of the extension caused by stress concentration. In addition, when the mounting structures on both sides of the shared extension in the first direction are misaligned in orthographic projection on the projection plane perpendicular to the first direction, and the mounting structures on both sides of the battery mounting space in the first direction are also misaligned in orthographic projection on the projection plane perpendicular to the first direction, multiple extensions can be constructed with the same structure, which simplifies the structure, facilitates processing, reduces costs, and improves assembly efficiency.

[0038] In some embodiments, the side of the extension facing the battery mounting space is provided with a plurality of mounting structures, and at least two of the mounting structures are arranged at intervals along the length direction of the extension.

[0039] The above technical solution is conducive to making full use of the space in the length direction of the extension and arranging a larger number of mounting structures, thereby enhancing the mounting stability of the battery or increasing the number of batteries mounted in the battery mounting space.

[0040] In some embodiments, the extension includes a mounting edge protruding into the battery mounting space, and the mounting structure is located on the mounting edge.

[0041] In the above technical solution, by setting a mounting edge, the difficulty of setting the mounting structure is reduced, and it is easy to realize that the mounting structure is located on the side of the extension facing the battery mounting space. Moreover, the mounting edge can provide a certain direct or indirect support for the battery to enhance the mounting stability of the battery.

[0042] In some embodiments, the mounting edge is located at the lower edge in the height direction of the extension.

[0043] In the above technical solution, the mounting structure is positioned at a low height, which helps to reduce the maintenance difficulty of the mounting structure, facilitates the loading and connection between the mounting structure and the battery, improves the compactness of the fit between the battery and the extension, reduces space waste, and allows the space saved to further increase the size of the battery, thereby further improving the size energy density of the battery.

[0044] In some embodiments, the length direction of the mounting edge is the same as the extension direction of the extension portion; wherein, a plurality of mounting structures are provided on the mounting edge at intervals along the length direction of the mounting edge, or, the mounting structure on the mounting edge is configured as one and extends along the length direction of the mounting edge.

[0045] In the above technical solution, since the length direction of the mounting edge is the same as the extension direction of the extension, it is beneficial to reduce the processing difficulty of the mounting edge, so that the mounting edge has a larger length dimension and more mounting structures are set. The multiple mounting structures are spaced apart along the length direction of the mounting edge, which is beneficial to enhance the mounting stability of the battery or to increase the number of batteries mounted on the mounting edge.

[0046] Alternatively, by setting only one mounting structure extending along the length of the mounting edge, the manufacturing difficulty of the mounting structure can be reduced. Since the mounting structure extends along the length of the mounting edge, that is, the length direction of the mounting structure is consistent with the length direction of the mounting edge, the length dimension of the mounting structure is larger, with a larger stress area, or more connection positions, so as to facilitate simultaneous connection with multiple connection structures on the battery, improve the battery mounting reliability, or facilitate the simultaneous mounting of multiple batteries.

[0047] In some embodiments, the battery mounting bracket further includes a reinforcement for connecting at least two extensions located on the same side of the main body.

[0048] The above technical solution helps to enhance the overall structural strength of the battery mounting bracket, reduce deformation caused by stress on the extension, and improve the reliability of battery mounting.

[0049] In some embodiments, the main body has extensions on both sides in a second direction intersecting the first direction.

[0050] In the above technical solution, the space in the first direction and the second direction can be fully utilized to mount batteries on both sides of the main body in the second direction Y. For example, the same battery can be mounted on two parts located on both sides of the main body, or two batteries located on both sides of the main body can be mounted, thereby increasing the size of the mounted batteries or increasing the number of mounted batteries.

[0051] In some embodiments, the two sides of the main body in the second direction extend in the same direction, and the projections of the two sides of the main body in the second direction coincide along the orthographic projection of the extension direction.

[0052] In the above technical solution, the first extension and the first extension can simultaneously mount the same battery on both sides of the vehicle beam width direction. In this way, the battery size can be made larger, so as to reduce the number of batteries and reduce the complexity of battery swapping.

[0053] In some embodiments, the height of the extension tends to decrease along the direction away from the main body.

[0054] In the above technical solution, by setting the height of the extension to decrease along the direction away from the main body, the height of the end of the extension connected to the main body is relatively large, while the height of the end of the extension away from the main body is relatively small. This can enhance the connection strength between the extension and the main body, improve the reliability of the extension for battery mounting, and reduce the weight of the extension, thereby reducing the vehicle load.

[0055] In some embodiments, the mounting structure is located at the lower edge of the extension, the lower edge of the extension extends along a horizontal line, and the upper edge of the extension tends to decrease in a direction away from the main body.

[0056] In the above technical solution, by setting the mounting structure at the lower edge of the extension in the height direction, the height of the mounting structure is lower, which makes it easier to mount the battery. The lower edge of the extension extends along the horizontal line, which is conducive to the mounting structure being at the same horizontal height, thus facilitating the battery mounting operation. At the same time, the upper edge of the extension decreases in the direction away from the main body, so that the height of the end of the extension connected to the main body is relatively large, while the height of the end of the extension away from the main body is relatively small. This can enhance the connection strength between the extension and the main body, improve the reliability of the extension for mounting the battery, and reduce the weight of the extension, thereby reducing the vehicle load.

[0057] In some embodiments, the extension is provided with a second weight-reducing structure and / or a second reinforcing structure.

[0058] In the above technical solution, by setting a second weight-reducing structure, the weight of the extension is reduced, which helps to achieve a lightweight design of the extension; and / or by setting a second reinforcing structure, the structural strength of the extension is enhanced, which helps to improve the stress deformation problem of the extension.

[0059] Secondly, embodiments of this application provide a vehicle frame assembly, including: a vehicle beam, the vehicle beam including two longitudinal beams extending along a first direction and spaced apart along a second direction; a battery mounting bracket of any of the above embodiments, the bracket body being mounted to the vehicle beam, and a docking structure being located between the two longitudinal beams.

[0060] In the above technical solution, by placing the docking structure between the two longitudinal beams of the vehicle beam, the two longitudinal beams can play a certain protective role for the docking structure, thereby reducing damage to the docking structure, extending the service life of the docking structure, and enabling the docking structure to make full use of the space between the two longitudinal beams to improve space utilization, which is conducive to increasing the size and energy density of the battery.

[0061] In some embodiments, the docking interface of the docking structure is higher than the bottom surface of the longitudinal beam and is positioned downwards.

[0062] In the above technical solution, because the docking interface of the docking structure is higher than the bottom surface of the longitudinal beam, the docking interface has a greater height from the ground, providing better protection. Furthermore, the height of the docking interface helps save space, allowing for a larger battery height so that at least a portion of the battery can extend between the two longitudinal beams. This improves the compactness of the battery mounting bracket and the battery, fully utilizing space and increasing the battery size and energy density. Moreover, by setting the docking interface downwards, the battery can be connected to the docking structure while being mounted from bottom to top, thereby improving battery swapping efficiency.

[0063] Thirdly, embodiments of this application provide a vehicle including a battery and a frame assembly of any of the above embodiments, wherein the battery is mounted on a mounting structure and docked with a docking structure.

[0064] In the above technical solution, a frame assembly is set up to mount the battery using a mounting structure, and a docking structure is used to connect the battery and the vehicle body in terms of circuit and / or fluid circuits to meet the docking requirements of the battery and the vehicle body in terms of circuit and / or fluid circuits. By integrating the mounting structure and the docking structure onto the frame body, the position reference points of the two are consistent, which helps to improve the battery swapping efficiency and the battery swapping success rate.

[0065] In some embodiments, the battery includes two battery sides and a battery center. In the width direction of the vehicle beam, the two battery sides are located on both sides of the battery center. The top surface of the battery center is lower than the top surface of the battery sides to form a clearance groove that runs through the length direction of the vehicle beam and is open at the top to avoid the vehicle beam. The battery sides are detachably connected to the mounting structure, and the top of the battery center has a docking portion that docks with the docking structure.

[0066] In the aforementioned technical solution, the battery structure is ingenious. By avoiding the vehicle beam, it fully utilizes the space on both sides of the beam's width, thereby increasing the overall size of the battery and improving its dimensional energy density. When both sides of the battery are connected to the mounting structure, the battery's mounting reliability and stability are enhanced. The docking point is located at the top of the central part of the battery, allowing for easy docking between the battery's docking point and the docking structure between the two longitudinal beams as the battery moves upwards along the vehicle's height.

[0067] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0068] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiments below. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0069] Figure 1 This is a schematic diagram of the vehicle structure according to some embodiments of this application;

[0070] Figure 2 Exploded structural diagrams of batteries according to some embodiments of this application;

[0071] Figure 3 This is a schematic diagram illustrating the assembly of the vehicle frame assembly and the battery according to some embodiments of this application;

[0072] Figure 4 This is a schematic diagram of a battery mounting bracket according to some embodiments of this application;

[0073] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0074] Figure 6 This is a partial enlarged view of a battery mounting bracket according to another embodiment of this application;

[0075] Figure 7 for Figure 4 Enlarged view of point B in the middle;

[0076] Figure 8 This is a schematic diagram of a battery according to one embodiment of this application;

[0077] Figure 9 This is a schematic diagram of a vehicle according to some embodiments of this application;

[0078] Figure 10 for Figure 9 A bottom view of the vehicle in the middle;

[0079] Figure 11 for Figure 10 Sectional view at EE;

[0080] Figure 12 for Figure 10 Sectional view at FF;

[0081] Figure 13 This is a frontal projection view of a battery mounting bracket according to some embodiments of this application;

[0082] Figure 14 This is a cross-sectional view of a battery mounting bracket according to some embodiments of this application.

[0083] Reference numerals: Vehicle 1000, Body 101, Frame Assembly 100, Battery Mounting Bracket 10, Beam 20, Longitudinal Beam 201, Crossbeam 202, Battery 30, Battery Side 30a, Battery Central Section 30b, Clearance Groove 30c, Connecting Part 30d, Housing 301, First Part 3011, Second Part 3012, Battery Cell 302, Controller 40, Motor 50, Frame Body 10a, Main Body 1, First Direction X, First Main Body Wall 11 Second main wall 12, vehicle beam clearance groove 13, clearance opening 14, vehicle beam connecting structure 15, extension 2, second direction Y, height direction of extension Z, common extension 2a, second weight reduction structure 21, second reinforcing structure 22, mounting edge 24, mounting structure 3, battery mounting space 4, reinforcing part 5, docking structure 6, support frame 61, support part 611, outrigger part 612, first weight reduction structure 613, first reinforcing structure 614, docking device 62. Detailed Implementation

[0084] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0085] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0086] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0087] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0088] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, X and / or Y can represent: X existing alone, X and Y existing simultaneously, and Y existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0089] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0090] In the description of the embodiments of this application, the technical terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0091] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0092] Judging from the current market situation, the application of power batteries is becoming increasingly widespread. Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power, and solar power plants, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. With the continuous expansion of the application areas of power batteries, the market demand is also constantly increasing.

[0093] In some vehicles with related technologies, the power battery is installed at the bottom of the vehicle, and the power battery needs to be connected to the vehicle's electrical circuit and fluid circuit through wires and pipes. However, the operation of connecting wires and pipes is cumbersome, the battery swapping efficiency is low, and the suspension of wires and pipes poses a risk of disconnection and damage, affecting the reliability of the electrical circuit and fluid circuit connection between the vehicle and the power battery.

[0094] Therefore, this application proposes a battery mounting bracket, wherein the battery mounting bracket includes a bracket body, a mounting structure and a docking structure. The bracket body is adapted to be installed on a vehicle body. The mounting structure is integrated on the bracket body and is used to mount the battery. The docking structure is also integrated on the bracket body and is used to connect the vehicle body and the docking battery so that the battery and the vehicle body form an electrical and / or liquid circuit connection.

[0095] When installing batteries in vehicles using this battery mounting bracket, the battery can be mounted via the integrated mounting structure on the bracket body, and the electrical and / or fluid circuits between the battery and the vehicle body can be connected via the integrated docking structure on the bracket body. This eliminates the need for connecting wires and pipes, simplifying the cumbersome battery swapping operation, improving battery swapping efficiency, and reducing or eliminating the risk of disconnection and damage to suspended wires and pipes, thus improving the reliability of electrical and / or fluid circuit connections. Furthermore, since both the mounting and docking structures are integrated into the bracket body, the reference point for the battery mounting connection is consistent with the reference point for the electrical and fluid connections—that is, the bracket body is the reference point for both—thereby improving the success rate of battery swapping.

[0096] However, if the mounting structure is only set on the frame body, while the docking structure is set outside the frame body, such as on other mounting brackets spaced apart from the frame body, or on the vehicle body, such as on the vehicle beam, the reference points of the mounting structure and the docking structure will be inconsistent. Therefore, there will be some deviation in the relative positional accuracy of the mounting structure and the docking structure, which may lead to mounting connection failure or water and electricity connection failure, affecting the battery swapping efficiency and battery swapping success rate.

[0097] In short, given the increasing demand for improved battery swapping efficiency, the battery mounting bracket of this application embodiment can improve swapping efficiency and success rate.

[0098] The battery disclosed in this application can be used in electrical devices that use batteries as a power source or in various energy storage systems that use batteries as energy storage elements. Electrical devices can be, but are not limited to, mobile phones, tablets, laptops, electric toys, power tools, electric vehicles, electric cars, ships, spacecraft, etc. Electric toys can include stationary or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Spacecraft can include airplanes, rockets, space shuttles, and spacecraft, etc.

[0099] For ease of explanation, the following embodiments will use a vehicle 1000 as an example.

[0100] Please refer to Figure 1 , Figure 1 This is a schematic diagram of the structure of a vehicle 1000 provided in some embodiments of this application. The vehicle 1000 can be a gasoline-powered vehicle, a natural gas-powered vehicle, or a new energy vehicle. The new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle, or a range-extended electric vehicle, etc. A battery 30 is disposed inside the vehicle 1000, and the battery 30 can be located at the bottom, front, or rear of the vehicle 1000. The battery 30 can be used to power the vehicle 1000; for example, the battery 30 can serve as the operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 40 and a motor 50. The controller 40 is used to control the battery 30 to supply power to the motor 50, for example, to meet the power needs of the vehicle 1000 during startup, navigation, and driving.

[0101] In some embodiments of this application, the battery 30 can not only serve as the operating power source for the vehicle 1000, but also as the driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0102] Please refer to Figure 2 , Figure 2This is an exploded view of a battery 30 provided in some embodiments of this application. The battery 30 includes a housing 301 and battery cells 302, with the battery cells 302 housed within the housing 301. The housing 301 provides space for the battery cells 302, and can have various structures. In some embodiments, reference is made to... Figure 2 The housing 301 may include a first part 3011 and a second part 3012, which overlap each other, defining a space for accommodating the battery cell 302. The second part 3012 may be a hollow structure with an open end, and the first part 3011 may be a plate-like structure, covering the open end of the second part 3012 so that the first part 3011 and the second part 3012 together define the space. Alternatively, both the first part 3011 and the second part 3012 may be hollow structures with an open end on one side, with the open end of the first part 3011 covering the open end of the second part 3012. Of course, the housing 301 formed by the first part 3011 and the second part 3012 can be of various shapes, such as a cylinder or a cuboid.

[0103] The battery 30 may include multiple battery cells 302, which can be connected in series, parallel, or a combination thereof. A combination of series and parallel connections means that multiple battery cells 302 are connected in both series and parallel configurations. Multiple battery cells 302 can be directly connected in series, parallel, or a combination thereof, and then the entire assembly of the multiple battery cells 302 is housed within a housing 301. Alternatively, the battery 30 can also be composed of multiple battery cells 302 first connected in series, parallel, or a combination thereof to form a battery module, and then these battery modules are connected in series, parallel, or a combination thereof to form a whole, which is also housed within the housing 301. The battery 30 may also include other structures; for example, it may include a busbar for electrical connection between the multiple battery cells 302.

[0104] In this application, the battery cell 302 may include lithium-ion secondary batteries, lithium-ion primary batteries, lithium-sulfur batteries, sodium-lithium-ion batteries, sodium-ion batteries, or magnesium-ion batteries, etc., and the embodiments of this application are not limited to this. The battery cell 302 may be cylindrical, flat, cuboid, or other shapes, etc., and the embodiments of this application are not limited to this. The battery cell 302 is generally divided into three types according to the packaging method: cylindrical battery cells, square battery cells, and pouch battery cells, and the embodiments of this application are not limited to this.

[0105] The battery cell 302 includes a casing, an electrode assembly, and an electrolyte. The casing houses the electrode assembly and the electrolyte. The electrode assembly consists of a positive electrode, a negative electrode, and a separator. The battery cell 302 primarily functions by the movement of metal ions between the positive and negative electrode plates. The separator is not limited in material; for example, it can be made of polypropylene or polyethylene.

[0106] A positive electrode typically includes a positive current collector and a positive active material layer. The positive active material layer is directly or indirectly coated onto the positive current collector. The positive current collector without a positive active material layer protrudes from the one with a positive active material layer, serving as the positive electrode tab. Taking a lithium-ion battery as an example, the material of the positive current collector can be aluminum, and the material of the positive active material layer can be lithium cobalt oxide, lithium iron phosphate, ternary lithium, or lithium manganese oxide, etc.

[0107] A negative electrode typically includes a negative current collector and a negative active material layer. The negative active material layer is directly or indirectly coated onto the negative current collector. The negative current collector without a negative active material layer protrudes from the negative current collector with a negative active material layer, and the negative current collector without a negative active material layer serves as the negative electrode tab. The material of the negative current collector can be copper, and the material of the negative active material layer can be carbon or silicon, etc.

[0108] To ensure that a large current can be passed without melting, multiple positive electrode tabs are stacked together, and multiple negative electrode tabs are stacked together. The electrode assembly can be a wound structure or a stacked structure, and the embodiments of this application are not limited to these.

[0109] like Figure 1 , Figure 3 and Figure 4 As shown, this application embodiment provides a battery mounting bracket 10 for mounting a battery 30 to a vehicle body 101. The battery mounting bracket 10 includes a bracket body 10a, a mounting structure 3, and a docking structure 6. The bracket body 10a is adapted to be mounted to the vehicle body 101. The mounting structure 3 is integrated on the bracket body 10a and is used to mount the battery 30. The docking structure 6 is also integrated on the bracket body 10a and is used to connect the vehicle body 101 and the docking battery 30, so that the battery 30 and the vehicle body 101 form electrical and / or fluid circuit communication.

[0110] It is worth noting that the battery mounting bracket 10 in this application embodiment can be used for chassis-based battery swapping of vehicle 1000. Chassis-based battery swapping refers to a method of replenishing vehicle energy by flexibly replacing the battery swapping system installed under the vehicle chassis. The swappable battery system refers to the power battery system (hereinafter referred to as battery 30) that is completely replaced during the battery swapping process of vehicle 1000. Exemplarily, the battery swapping system generally includes: a power battery, a battery management system, a battery swapping electrical interface, a battery swapping cooling interface, and a battery swapping mechanical interface, etc., and can be charged and discharged in a non-vehicle-mounted state. The terminology and definitions in this application embodiment can be referenced in GB / T 19596 Electric Vehicle Terminology.

[0111] Therefore, by integrating the mounting structure 3 onto the frame body 10a, when the frame body 10a is installed on the vehicle body 101, the battery 30 is mounted onto the frame body 10a through the connection between the mounting structure 3 and the battery 30. Furthermore, by integrating the docking structure 6 onto the frame body 10a, when the battery 30 is mounted onto the frame body 10a through the mounting structure 3, the battery 30 can dock with the docking structure 6 to form a circuit and / or liquid circuit connection. The docking structure 6 also has a connection relationship with the vehicle body 101, thus also forming a circuit and / or liquid circuit connection. This satisfies the requirement that the battery 30 achieves circuit and / or liquid circuit connection with the vehicle body 101 through docking with the docking structure 6.

[0112] The structure of the mounting structure 3 is not limited, and may include, but is not limited to, mounting slots, mounting holes, mounting protrusions, mounting pins, or mounting screws. The connection method between the docking structure 6 and the vehicle body 101 is also not limited. For example, it may be connected by docking terminals or by connecting wires and / or pipes.

[0113] For example, when the docking structure 6 is used to achieve circuit connection, it can be used for current transfer between the vehicle 1000 and the battery 30, enabling the battery 30 to supply power to the vehicle 1000 and the vehicle 1000 to control the battery 30. For example, when the docking structure 6 is used to achieve fluid circuit connection, it can be used for heat transfer between the vehicle 1000's thermal management system and the battery 30, thereby using the thermal management system to regulate the temperature of the battery 30 to improve its operational reliability and safety. Alternatively, the thermal management system can absorb the waste heat from the battery 30 to meet the heat source requirements of the vehicle 1000's heat pump air conditioning system, etc., which will not be elaborated here. Therefore, by setting the docking structure 6 on the battery mounting bracket 10, the connection requirements of the battery 30 and the vehicle body 101's circuits and / or fluid circuits can be met through the structural design of the battery mounting bracket 10, thus simplifying the structural design of the vehicle body 101 and the battery 30. It should be noted that the location of the docking structure 6 is not limited and can be selected according to the specific shape of the battery mounting bracket 10.

[0114] In some embodiments, the docking structure 6 may include a first docking structure and a second docking structure. The first docking structure is used to dock with the circuit terminals on the battery 30, and the second docking structure is used to dock with the liquid passage port on the battery 30. The relative positions of the first and second docking structures are not limited; for example, they can be spaced apart horizontally, left-right, or front-back, so that the first and second docking structures do not interfere with each other when docking. Of course, the first and second docking structures described above are only illustrative examples of some docking structures 6 and do not represent a limitation thereof.

[0115] When installing the battery 30 onto the vehicle body 101 using such a battery mounting bracket 10, the battery 30 can be mounted using the mounting structure 3 integrated on the bracket body 10a, and the electrical and / or fluid circuits between the battery 30 and the vehicle body 101 can be connected using the docking structure 6 integrated on the bracket body 10a. This eliminates the need for connecting wires and pipes, simplifying the cumbersome battery swapping operation and improving swapping efficiency. Furthermore, since both the mounting structure 3 and the docking structure 6 are integrated on the bracket body 10a, the mounting connection position of the battery 30 is consistent with the reference point for the water and electricity docking position, i.e., the reference point is the bracket body 10a, thereby improving the success rate of battery swapping.

[0116] In some embodiments, please refer to Figure 4 The frame body 10a includes: a main body 1 and an extension 2.

[0117] Please refer to Figure 3 and Figure 4The main body 1 is adapted to be installed on the vehicle body 101, the docking structure 6 is provided on the main body 1, one end of the extension 2 is connected to the main body 1, and the other end extends in a direction away from the main body 1, and the mounting structure 3 is provided on the extension 2.

[0118] "One end of the extension 2 is connected to the main body 1, and the other end extends in a direction away from the main body 1" includes one end of the extension 2 being connected to the main body 1 and the other end extending obliquely or vertically in a direction away from the main body 1, that is, the specific extension direction of the extension 2 is not limited.

[0119] Therefore, by setting the docking structure 6 on the main body 1, it is convenient to connect the vehicle body 101 and the docking structure 6 when the main body 1 is installed on the vehicle body 101. The mounting structure 3 is set on the extension 2, so that the docking structure 6 and the mounting structure 3 are respectively set at different positions on the frame body 10a, so as to prevent the mounting structure 3 and the docking structure 6 from interfering with each other, which helps to reduce the difficulty of matching the docking structure 6 and the mounting structure 3 with the battery 30.

[0120] Furthermore, when the extension 2 is along the width direction of the vehicle body 101 (e.g.) Figure 4 When the battery 30 extends in the second direction (Y) as shown, the extension 2 can be located in the length direction of the vehicle body 101 (e.g., in the direction of the second direction Y). Figure 4 On one side of the first direction (X) shown, since the length dimension of the vehicle body 101 is relatively sufficient compared to the width dimension, the extension 2 and the mounting structure 3 provided on the extension 2 are configured to both occupy the space of the battery 30 in the length direction of the vehicle body 101. This can help reduce the space occupied by the battery 30 in the width direction of the vehicle body 101, thereby helping to increase the size of the battery 30 in the width direction of the vehicle body 101 and improve the size energy density of the battery 30.

[0121] In some embodiments, please refer to Figure 4 The main body 1 includes a beam avoidance groove 13, which has an opening extending along a first direction X. The docking structure 6 is located within the beam avoidance groove 13. For example, the first direction X can be set to be consistent with the length direction of the beam 20 of the vehicle body 101. In the embodiments of this application, the length direction of the vehicle body 101, the length direction of the vehicle 1000, and the length direction of the beam 20 are all consistent, as are the width direction of the vehicle body 101, the width direction of the vehicle 1000, and the width direction of the beam 20.

[0122] Therefore, by providing a beam clearance groove 13 on the main body 1, at least a portion of the beam 20 can extend into the beam clearance groove 13 when the main body 1 is connected to the vehicle body 101. The extension direction of the beam 20 is the same as the through direction of the opening, thus avoiding interference between the battery mounting bracket 10 and the beam 20, improving the tightness of the fit between the battery mounting bracket 10 and the beam 20, and facilitating the use of space near the beam 20 to install the battery 30, thereby increasing the size and dimensional energy density of the battery 30. Moreover, by providing the docking structure 6 within the beam clearance groove 13, the space within the beam clearance groove 13 can be fully utilized to improve space utilization, and it is easier to reduce the space occupied by the docking structure 6 in other positions of the battery mounting bracket 10, thereby increasing the size and dimensional energy density of the battery 30. Furthermore, the docking structure 6 is protected by the inner wall of the vehicle beam avoidance groove 13, reducing the probability of the docking structure 6 being damaged by impacts, improving the problem of the docking structure 6 being corroded and failed by mud and water, improving the reliability and stability of the docking, and reducing the risk of electrical failures caused by mud and splashing water erosion. Moreover, the docking structure 6 does not occupy space other than the vehicle beam 20, and will not interfere with the connection between the battery mounting bracket 10 and the vehicle beam 20 or the battery 30. At the same time, it helps to shorten the distance between the vehicle body 101 and the docking structure 6, thereby reducing the difficulty of connecting the vehicle body 101 and the docking structure 6.

[0123] For example, a beam connection structure 15 can be provided on the main body 1 to connect the main body 1 with the beam 20. In this way, since the main body 1 cooperates with the beam 20 through the beam clearance groove 13, both the main body 1 and the extension 2 can have a portion close to the beam 20. Thus, by providing the beam connection structure 15 to connect to the beam 20, it is convenient to install the battery mounting bracket 10 onto the beam 20.

[0124] In some embodiments, please refer to Figure 4 The main body 1 includes a plurality of first main body walls 11 spaced apart along a first direction X. An avoidance opening 14 is formed between two adjacent first main body walls 11. The docking interface (such as an electrical interface and / or a fluid interface) of the docking structure 6 is higher than the first main body wall 11 and is provided corresponding to the avoidance opening 14. Here, the height direction of the vehicle body 101 is defined as the up-down direction. The height direction of the vehicle body 101 is consistent with the height direction of the vehicle 1000, both being up-down in the direction of gravity.

[0125] Therefore, because the docking interface of the docking structure 6 is higher than the first main body wall 11, the docking interface of the docking structure 6 has a greater height from the ground, which provides better protection. Furthermore, the height of the docking interface of the docking structure 6 helps save space, allowing for an increase in the height of the battery 30, improving the tightness of the fit between the battery mounting bracket 10 and the battery 30, fully utilizing space, and increasing the size and energy density of the battery 30. Moreover, by providing the clearance opening 14, when the battery 30 is mounted on the battery mounting bracket 10, a portion of the battery 30 can extend upwards into the clearance opening 14 and dock with the docking interface of the docking structure 6, thus meeting the docking requirements.

[0126] In some embodiments, please refer to Figure 7 The docking structure 6 includes a support frame 61 and a docking device 62. The support frame 61 includes a support part 611 and a support leg part 612. The docking device 62 is disposed on the support part 611. The support leg part 612 extends from both ends of the support part 611 in the first direction X toward the first main body wall 11 and is connected to the first main body wall 11.

[0127] In the above technical solution, by setting the docking device 62 on the support portion 611 and setting the support legs 612 to extend from both ends of the support portion 611 in the first direction X toward the first main body portion 1 and connect them to the first main body wall 11, the support portion 611 can be spaced apart from the first main body wall 11. This allows the support frame 61 to be constructed in a shape that can avoid the battery 30 upwards, and facilitates increasing the installation height of the docking device 62, thus saving space to increase the height of the battery 30. Furthermore, when the first direction X is the length direction of the vehicle 1000, setting the two support legs 612 on both sides of the support portion 611 in the first direction X only occupies the space of the battery 30 in the length direction of the vehicle 1000. This space is relatively ample, reducing the space occupied by the battery 30 in the width direction of the vehicle 1000, which is beneficial for improving the size and energy density of the battery 30 in the width direction of the vehicle 1000.

[0128] In some embodiments, please refer to Figure 7 The supporting part 611 has a first weight reduction structure 613, and / or the connection between the support leg part 612 and the supporting part 611 is provided with a first reinforcing structure 614.

[0129] Therefore, by providing a first weight-reducing structure 613 on the support portion 611, the weight of the support portion 611 is reduced, thereby reducing the weight of the docking structure 6, thus achieving a lightweight design for the docking structure 6. The first weight-reducing structure 613 may include, but is not limited to, weight-reducing holes, weight-reducing grooves, or thinning treatments.

[0130] Therefore, by providing a first reinforcing structure 614 at the connection between the load-bearing part 611 and the support leg part 612, the structural strength of the connection between the load-bearing part 611 and the support leg part 612 is enhanced, reducing the possibility of breakage at the connection between the support leg part 612 and the load-bearing part 611. This helps to reduce the thickness of the load-bearing part 611 and the support leg part 612, thereby achieving a lightweight design for the docking structure 6. The first reinforcing structure 614 may include, but is not limited to, reinforcing ribs, strip-shaped reinforcing protrusions, or locally thickened extensions 2. When the first reinforcing structure 614 is set as a reinforcing rib, the structural shape of the reinforcing rib is not limited, for example, it can be straight, curved, or intersecting, etc.

[0131] In some embodiments, please refer to Figure 7 The support frame 61 is an integrally formed part and is assembled and connected with the first main body wall 11.

[0132] Therefore, by setting the support frame 61 as an integrally molded part, the difficulty of setting the support frame 61 is reduced, and the overall structural strength of the support frame 61 is guaranteed. Furthermore, the support frame 61 is assembled and connected with the first main body wall 11, which reduces the assembly difficulty of the support frame 61 and the first main body wall 11 and improves the production efficiency of the battery mounting bracket 10.

[0133] In addition, the support frame 61 may not be a one-piece molded part; for example, the support part 611 and the leg part 612 may be assembled and connected.

[0134] Among them, "assembly connection" includes, but is not limited to, welding connection, bolt connection, snap-fit ​​connection, or plug-in connection.

[0135] In some embodiments, please refer to Figure 4 The clearance openings 14 are multiple and spaced apart along the first direction X, and each clearance opening 14 is provided with a docking structure 6.

[0136] Therefore, by setting multiple clearance openings 14, when multiple batteries 30 are mounted on the battery mounting bracket 10, the multiple docking structures 6 can be used to realize the circuit and / or fluid connection requirements between the multiple batteries 30 and the vehicle body 101 respectively. That is, each battery 30 can realize the circuit and / or fluid connection requirements with the vehicle body 101 through docking with the corresponding docking structure 6. Thus, the vehicle 1000 can realize individual connection with each battery 30 through the corresponding docking structure 6, which is beneficial for each battery 30 to work independently or be controlled independently by the vehicle body 101.

[0137] In some embodiments, please refer to Figure 4 and Figure 7The main body 1 includes a second main body wall 12 extending along a first direction X. There are two second main body walls 12, which are spaced apart along a second direction Y. The second direction Y intersects the first direction X (e.g., at an acute angle, an obtuse angle, or a right angle). The two second main body walls 12 are connected to the two ends of each first main body wall 11 in the second direction Y to form a top-open vehicle beam clearance groove 13 between the first main body wall 11 and the second main body wall 12. The extension 2 is connected to the second main body wall 12.

[0138] Therefore, by setting the second main body wall 12, multiple first main body walls 11 and second main body walls 12 can be connected into an integral structure, thereby reducing the difficulty of setting and molding the main body 1, and helping to define the extension direction of the beam avoidance groove 13, so that it extends along the first direction X. Furthermore, since the top of the beam avoidance groove 13 is open, the main body 1 can be pushed upward from bottom to top, allowing the beam 20 to enter the beam avoidance groove 13. This helps to reduce the difficulty of assembling the battery mounting bracket 10 to the vehicle body 101. The battery mounting bracket 10 can be installed on the already assembled vehicle body 101, making the battery mounting bracket 10 applicable to various vehicle models. This application is not limited to this. For example, in other embodiments of this application, the beam avoidance groove 13 can be set to have an open bottom. In this case, the battery mounting bracket 10 can be assembled with the vehicle body 101 simultaneously during the assembly process.

[0139] Please refer to Figure 4 and Figure 5 The extension 2 is connected to the side of the second main body wall 12 away from the first main body wall 11 in the second direction Y. This can increase the length of the extension 2 in the second direction Y while avoiding interference between the extension 2 and the vehicle beam 20, thereby facilitating the expansion of the battery mounting space 4 in the second direction Y. It also facilitates the connection between the extension 2 and the main body 1.

[0140] In some embodiments, please refer to Figure 4 The main body 1 has a plurality of extensions 2 arranged at intervals along the first direction X on one side, and a battery mounting space 4 is defined between two adjacent extensions 2.

[0141] Therefore, by providing a plurality of extensions 2 arranged at intervals along the first direction X on one side of the main body 1, the battery mounting space 4 is limited between two adjacent extensions 2 along the first direction X, and the extensions 2 can be used to protect the battery 30.

[0142] Furthermore, when the first direction X is set as the length direction of the vehicle 1000, and the mounting structure 3 is mounted on the extension 2, neither the mounting structure 3 nor the extension 2 occupies the space of the battery 30 in the width direction of the vehicle 1000. This increases the size of the battery mounting space 4 in the width direction of the vehicle 1000, thereby increasing the size of the battery 30 in the width direction and improving the dimensional energy density of the battery 30. Moreover, setting the first direction X as the length direction of the vehicle 1000, since the length space of the vehicle 1000 is relatively large, also helps to increase the size or number of battery mounting spaces 4 in the length direction of the vehicle 1000, thereby further improving the dimensional energy density or number of batteries 30.

[0143] In some embodiments, please refer to Figure 4 The main body 1 has a plurality of battery mounting spaces 4 arranged at intervals along the first direction X on one side.

[0144] In the above technical solution, by providing multiple battery mounting spaces 4 spaced apart along the first direction X on one side of the main body 1, the battery mounting bracket 10 can be equipped with the function of mounting multiple batteries 30 in the first direction X, that is, realizing the multi-pack mounting function, which is conducive to flexible battery swapping. Moreover, by providing the extension 2 to define the battery mounting spaces 4, the problems of mutual collision and heat transfer between batteries 30 in two adjacent battery mounting spaces 4 along the first direction X can be improved.

[0145] In some embodiments, please refer to Figure 4 When the main body 1 has a plurality of battery mounting spaces 4 spaced apart along the first direction X on one side, the docking structure 6 can be configured as a plurality of spaced apart along the first direction X, and the plurality of docking structures 6 and the plurality of battery mounting spaces 4 are arranged opposite to each other along the second direction Y, and the second direction Y intersects the first direction X (for example, at an acute angle, an obtuse angle, or a right angle).

[0146] Therefore, the distribution direction of the docking structure 6 does not occupy the space of the battery mounting space 4 in the first direction X. That is, while docking with the battery 30, the docking structure 6 will not occupy the space in the arrangement direction of multiple battery mounting spaces 4. This is conducive to increasing the number or size of battery mounting spaces 4 arranged along the first direction X, improving space utilization, and enabling the battery mounting rack 10 to mount more or larger batteries 30.

[0147] In some embodiments, the battery mounting space 4 and the clearance opening 14 can both be configured as multiple openings spaced apart along the length direction (e.g., the first direction X) of the vehicle beam 20, and the clearance opening 14 corresponds one-to-one with the battery mounting space 4 along the width direction (e.g., the second direction Y) of the vehicle beam 20. Each clearance opening 14 is respectively provided with a docking structure 6. Thus, when the size of the battery 30 is large, the part of the battery 30 corresponding to the battery mounting space 4 can extend into the battery mounting space 4, and the part corresponding to the clearance opening 14 can extend into the clearance opening 14 to dock with the docking structure 6.

[0148] In some embodiments, please refer to Figure 4 A mounting structure 3 is arranged on the side of the extension 2 facing the battery mounting space 4.

[0149] In embodiments of this application, the battery mounting rack 10 is provided with a mounting structure 3 for connecting a battery 30. When the battery 30 is connected to the mounting structure 3, at least a portion of the battery 30 can be stored within the battery mounting space 4, presenting a mounted state. In some embodiments of this application, when the battery mounting rack 10 includes multiple battery mounting spaces 4, the battery mounting rack 10 is provided with a mounting structure 3 for each battery mounting space 4, so that each battery mounting space 4 can be used to mount a battery 30. The mounting structures 3 corresponding to different battery mounting spaces 4 can be independent of each other, so that the mounted battery 30 in each battery mounting space 4 can be replaced individually.

[0150] Therefore, by arranging the mounting structure 3 on the side of the extension 2 facing the battery mounting space 4, the mounting structure 3 corresponds to the specific battery mounting space 4 it faces, and is used to mount the battery 30 in that battery mounting space 4. This clearly defines the correspondence between the mounting structure 3 and the battery mounting space 4. Inserting the battery 30 into the battery mounting space 4 allows it to connect with the mounting structure 3 facing that space, thus facilitating the mounting of the battery 30. Furthermore, when there are multiple battery mounting spaces 4, the mounting structures 3 corresponding to different battery mounting spaces 4 are positioned differently and do not interfere with each other. This allows the mounting structure 3 for each battery mounting space 4 to have sufficient space for flexible arrangement, making it easier and more reliable to mount the battery 30.

[0151] In some embodiments, please refer to Figure 4 Among the multiple extensions 2 arranged along the first direction X, at least one extension 2 located in the middle is a common extension 2a. The common extension 2a has battery mounting spaces 4 on both sides of the battery mounting spaces 4 facing both sides of the common extension 2a, and mounting structures 3 are arranged on both sides of the battery mounting spaces 4 facing both sides of the common extension 2a.

[0152] It is worth noting that "at least one extension 2 located in the middle of a plurality of extensions 2 arranged along the first direction X" means that at least one extension 2 other than the two extensions 2 on both sides of a plurality of extensions 2 arranged at intervals along the first direction X is a shared extension 2a. For example Figure 3 When the first direction X is the length direction of the vehicle 1000 and the second direction Y is the width direction of the vehicle 1000, four extensions 2 are provided on one side of the width of the beam 20, and at least one of the two middle extensions 2 is a common extension 2a.

[0153] In this embodiment, mounting structures 3 are arranged on both sides of the battery mounting space 4 facing both sides of the common extension 2a, so that the batteries 30 in two adjacent battery mounting spaces 4 in the first direction X can be mounted on the mounting structures 3 on both sides of the common extension 2a, so that the mounting of the batteries 30 is more compact and the difficulty of setting the mounting structures 3 is reduced.

[0154] Therefore, when the number of battery mounting spaces 4 arranged at intervals along the first direction X is fixed, the number of extensions 2 arranged at intervals along the first direction X can be reduced. For example, in the minimum case, the number of extensions 2 on the width side of the vehicle beam 20 can be one more than the number of mounting spaces, that is, only one extension 2 is provided between two adjacent battery mounting spaces 4 along the first direction X, which helps to reduce costs and reduce the load of the vehicle 1000.

[0155] However, this application is not limited to this. For example, two extensions 2 can be provided between two adjacent battery mounting spaces 4 along the first direction X. In this way, each extension 2 can be arranged with a mounting structure 3 only on one side of the battery mounting space 4, thereby reducing the load-bearing force of each extension 2 on the battery 30 and improving the mounting reliability of the battery 30.

[0156] For example, please refer to again Figure 4 The battery mounting bracket 10 includes four extensions 2 spaced apart along a first direction X, and the four extensions 2 define three battery mounting spaces 4, with the two middle extensions 2 being common extensions 2a. Of course, the number of battery mounting spaces 4 described above is only for illustrative purposes. For example, the battery mounting spaces 4 provided in the first direction X of the battery mounting bracket 10 may also be two, three, five, or more, etc., depending on the specific needs of the vehicle 1000.

[0157] Furthermore, the number of extensions 2 is not necessarily one more than the number of battery mounting spaces 4. For example, three battery mounting spaces 4 can be defined by five or six extensions 2. However, it is understood that when the number of extensions 2 is not necessarily one more than the number of battery mounting spaces 4, the number of extensions 2 used can be reduced, thereby reducing the cost and weight of the battery mounting bracket 10.

[0158] In some embodiments, the orthographic projections of the mounting structures 3 on both sides of the common extension 2a onto a projection plane perpendicular to the first direction X are misaligned. For example, the distance from any mounting structure 3 on one side of the common extension 2a to the main body 1 in the second direction Y is different from the distance from any mounting structure 3 on the other side of the common extension 2a to the main body 1 in the second direction Y.

[0159] Therefore, by setting the orthographic projection misalignment of the mounting structures 3 on both sides of the common extension 2a onto the projection plane perpendicular to the first direction X, the stress distribution of the common extension 2a is made more reasonable. When the batteries 30 in the battery mounting spaces 4 on both sides of the common extension 2a are connected to the mounting structures 3 on both sides of the common extension 2a, stress concentration can be reduced, which can lead to deformation and breakage of the extension 2, thereby improving the service life of the common extension 2a and enhancing the mounting reliability of the batteries 30.

[0160] In some embodiments, please refer to Figure 4 The battery mounting space 4 is provided with mounting structures 3 on both sides of the extension 2 in the first direction X.

[0161] Therefore, the extensions 2 on both sides of the battery mounting space 4 in the first direction X can both serve to support the battery 30 in the battery mounting space 4. The mounting structures 3 on both sides can distribute the force to reduce stress concentration and prevent problems such as deformation and breakage of the extensions 2, thereby improving the service life of the common extension 2a and improving the mounting reliability of the battery 30.

[0162] In some embodiments, the orthographic projections of the mounting structures 3 on both sides of the battery mounting space 4 onto a projection plane perpendicular to the first direction X are misaligned. For example, the distance from any mounting structure 3 on one side of the battery mounting space 4 to the main body 1 in the second direction Y is different from the distance from any mounting structure 3 on the other side of the battery mounting space 4 to the main body 1 in the second direction Y.

[0163] Therefore, by setting the mounting structures 3 on both sides of the battery mounting space 4 to be misaligned in the orthographic projection on the projection plane perpendicular to the first direction X, it is further beneficial to distribute the force on both sides of the mounting structures 3, and further improve the problem of deformation and breakage of the extension 2 caused by stress concentration.

[0164] Furthermore, when the mounting structures 3 on both sides of the common extension 2a in the first direction X are misaligned in the orthographic projection on the projection plane perpendicular to the first direction X, and the mounting structures 3 on both sides of the battery mounting space 4 in the first direction X are misaligned in the orthographic projection on the projection plane perpendicular to the first direction X, multiple extensions 2 can be constructed as the same structure, which helps to simplify the structure, facilitate processing, reduce costs, and improve assembly efficiency.

[0165] Of course, this application is not limited to this. For example, the mounting structures 3 on both sides of the common extension 2a in the first direction X can be configured to overlap in their orthographic projections on the projection plane perpendicular to the first direction X. In this case, the orthographic projections of the mounting structures 3 on both sides of the battery mounting space 4 in the first direction X can also overlap in their orthographic projections on the projection plane of the first direction X, thereby simplifying the processing and reducing the cost.

[0166] In some embodiments, the extension 2 has a plurality of mounting structures 3 on the side facing the battery mounting space 4, and at least two of the mounting structures 3 are along the length direction of the extension 2 (e.g., Figure 4 The second direction (Y) is arranged at intervals as shown.

[0167] This allows for full utilization of the space along the length of the extension 2, enabling the arrangement of a greater number of mounting structures 3, thereby enhancing the mounting stability of the battery 30 or increasing the number of batteries 30 mounted within the battery mounting space 4.

[0168] In some embodiments, please refer to Figure 4 The extension 2 includes a mounting edge 24 protruding into the battery mounting space 4, and the mounting structure 3 is located on the mounting edge 24.

[0169] For example, the mounting edge 24 protrudes in the direction of the first direction X toward the interior of the battery mounting space 4.

[0170] In this way, by setting the mounting edge 24, the difficulty of setting the mounting structure 3 is reduced, and the mounting structure 3 can be easily located on the side of the extension 2 facing the battery mounting space 4. Moreover, the mounting edge 24 can provide a certain direct or indirect support for the battery 30, thereby enhancing the mounting stability of the battery 30.

[0171] In some embodiments, please refer to Figure 4 The mounting edge 24 is located at the lower edge of the extension 2 in the height direction Z.

[0172] This results in a lower installation height for the mounting structure 3, which reduces the difficulty of maintenance and facilitates the connection between the mounting structure 3 and the battery 30. It also improves the compactness of the fit between the battery 30 and the extension 2, reduces space waste, and allows for further increases in the size of the battery 30 by utilizing the saved space, thereby further improving the size energy density of the battery 30.

[0173] For example, when a tool is extended upwards to the position of the mounting structure 3 to mount the mounting structure 3 and the battery 30, the tool is raised to a position lower than the extension 2, thereby reducing the lifting height of the tool. Moreover, the tool does not need to extend between the battery 30 and the extension 2, and there is no need to increase the gap between the battery 30 and the extension 2 to meet the tool's insertion requirements, reducing space waste. The space saved can be used to further increase the size of the battery 30, thereby further improving the size energy density of the battery 30.

[0174] In some embodiments, please refer to Figure 4 The length direction of the mounting edge 24 is the same as the extension direction of the extension 2; where, please refer to Figure 5 , Figure 5 This is a partial enlarged view of a battery mounting bracket 10 according to an embodiment of the present application. Multiple mounting structures 3 are provided on the mounting edge 24 at intervals along the length direction of the mounting edge 24.

[0175] Therefore, since the length direction of the mounting edge 24 is the same as the length direction of the extension 2, it is beneficial to reduce the processing difficulty of the mounting edge 24, so that the mounting edge 24 has a larger length dimension and more mounting structures 3 are set. The multiple mounting structures 3 are spaced apart along the length direction of the mounting edge 24, which is beneficial to enhance the mounting stability of the battery 30, or to increase the number of batteries 30 mounted on the mounting edge 24.

[0176] Alternatively, please refer to Figure 6 , Figure 6 This is a partial enlarged view of a battery mounting bracket 10 according to another embodiment of this application. The mounting structure 3 on the mounting edge 24 is configured as one and extends along the length direction of the mounting edge 24.

[0177] In the above technical solution, since the length direction of the mounting edge 24 is the same as the extension direction of the extension 2, it is beneficial to reduce the processing difficulty of the mounting edge 24, so that the mounting edge 24 has a larger length dimension and more mounting structures 3 are set. The multiple mounting structures 3 are spaced apart along the length direction of the mounting edge 24, which is beneficial to enhance the mounting stability of the battery 30, or to increase the number of batteries 30 mounted on the mounting edge 24.

[0178] Alternatively, a single mounting structure 3 extending along the length of the mounting edge 24 can be provided on the mounting edge 24. This reduces the manufacturing difficulty of the mounting structure 3. Furthermore, since the mounting structure 3 extends along the length of the mounting edge 24, its length direction is consistent with that of the mounting edge 24, resulting in a larger mounting structure 3 with a larger load-bearing area or more connection points. This facilitates simultaneous connection with multiple connection structures on the battery 30, improving the mounting reliability of the battery 30, or allowing for the simultaneous mounting of multiple batteries 30.

[0179] In some embodiments, please refer to Figure 4 The battery mounting bracket 10 also includes a reinforcing part 5, which is used to connect at least two extensions 2 located on the same side of the main body 1.

[0180] It is worth noting that this embodiment applies to both cases where "at least one extension 2 is arranged on each of the two sides in the width direction of the main body 1" and "an extension 2 is arranged on one side in the width direction of the main body 1". Furthermore, the at least two extensions 2 connected by the reinforcing part 5 can be adjacent or non-adjacent.

[0181] Furthermore, it is worth noting that the width direction of the main body 1 is consistent with the width direction of the beam 20, that is, the left-right direction of the vehicle 1000. For example, at least two extensions 2 on the left side of the main body 1 are connected by a reinforcing part 5, and / or at least two extensions 2 on the right side of the main body 1 are connected by a reinforcing part 5.

[0182] This helps to enhance the overall structural strength of the battery mounting bracket 10, reduce the deformation caused by the stress on the extension 2, and improve the reliability of mounting the battery 30.

[0183] For example, the reinforcing part 5 and the main body part 1 are respectively positioned on both sides of the extension part 2 in the second direction Y. This allows the two ends of the two extension parts 2 defining the battery mounting space 4 in the second direction Y to be connected via the main body part 1 and the reinforcing part 5, respectively. This results in a ring-shaped structure around the battery mounting space 4, which has higher structural strength, higher reliability for mounting the battery 30, and provides more comprehensive protection for the battery 30 from the periphery. Furthermore, it allows for flexible selection of the position of the mounting structure 3.

[0184] In some embodiments, please refer to Figure 4 The main body 1 has extensions 2 arranged on both sides in the second direction Y.

[0185] Therefore, batteries 30 can be mounted on both sides of the main body 1 in the second direction Y. For example, the same battery 30 can be mounted on two parts located on both sides of the main body 1, or two batteries 30 located on both sides of the main body 1 can be mounted, thereby increasing the size of the mounted batteries 30 or increasing the number of mounted batteries 30.

[0186] Furthermore, since each of the two sides of the main body 1 in the second direction Y has the function of mounting multiple batteries 30 in the first direction X, the size of the battery mounting bracket 10 in the second direction Y can be fully utilized to increase the number of batteries 30 that the battery mounting bracket 10 can mount, thereby making full use of the space of the battery mounting bracket 10 in the second direction Y and improving the driving range of the vehicle 1000 on a single battery swap.

[0187] For example, when the battery mounting bracket 10 is installed on the vehicle body 101, the main body 1 can be fixed to the vehicle beam 20, so that the battery 30 can be distributed on both sides of the vehicle beam 20, so that the battery mounting bracket 10 has a double-sided mounting space form to make full use of the vehicle under space.

[0188] In some embodiments, the two side extensions 2 of the main body 1 in the second direction Y have the same extension direction, and the projections of the two side extensions 2 of the main body 1 in the second direction Y coincide in the orthographic projection along the extension direction.

[0189] Therefore, the battery mounting spaces 4 defined by the extensions 2 on both sides of the main body 1 in the second direction Y are of the same size and corresponding in position. Thus, when a large-sized and relatively regularly shaped battery 30 is installed on the battery mounting bracket 10, the two sides of the battery 30 can respectively cooperate with the two battery mounting spaces 4 corresponding to the two sides of the main body 1 in the second direction Y. This allows the two battery mounting spaces 4 on both sides of the main body 1 to be used together to install a large-sized battery 30, which helps to improve the energy density of the installed battery 30. Furthermore, when the extensions 2 have mounting structures 3, the two extensions 2 corresponding to the positions in the second direction Y can respectively bear the load on both sides of the large-sized battery 30, thereby improving the force balance and mounting stability of the battery 30.

[0190] In some embodiments, please refer to Figure 4 The height of the extension 2 tends to decrease along the direction away from the main body 1.

[0191] It is worth noting that "showing a decreasing trend" can mean either a gradual decrease or a step-like decrease.

[0192] Therefore, by setting the height of the extension 2 to decrease in the second direction Y along the direction away from the main body 1, the height of the area of ​​the extension 2 away from the main body 1 is smaller.

[0193] In other words, the height of the end of the extension 2 connected to the main body 1 is relatively large, while the height of the end of the extension 2 away from the main body 1 is relatively small. This can enhance the connection strength between the extension 2 and the main body 1, improve the reliability of the extension 2 for mounting the battery 30, and reduce the weight of the extension 2, thereby reducing the load on the vehicle 1000.

[0194] In some embodiments, please refer to Figure 4 The mounting structure 3 is located at the lower edge of the extension 2, the lower edge of the extension 2 extends along a horizontal line, and the upper edge of the extension 2 tends to decrease in a direction away from the main body 1. Here, the two ends in the height direction Z of the extension 2 are defined as the upper and lower ends. When the height direction Z of the extension 2 is consistent with the height direction of the vehicle 1000, the two ends in the height direction Z of the extension 2 are also the upper and lower ends in the direction of gravity.

[0195] Therefore, by setting the mounting structure 3 at the lower edge of the extension 2 in the height direction Z, and with the lower edge of the extension 2 extending along the horizontal line, it is beneficial for all battery mounting structures 3 to be at the same height and have a low height, which is beneficial for the loading and connection of the battery mounting structure 3 and the battery 30, making it easier to reduce the mounting difficulty of the battery 30, and also helps to save space for battery swapping operations, and improve the size and energy density of the battery.

[0196] For example, when the mounting structure 3 is located at the lower edge of the extension 2, such as on the mounting edge 24, and the mounting edge 24 is located at the lower edge of the extension 2, the lower edge of the extension 2 can be set to extend horizontally, while the upper edge of the extension 2 tends to decrease in a direction away from the main body 1. It is worth noting that "increasing in a direction" can mean gradually decreasing or decreasing in a step-like manner. This makes it advantageous for all mounting structures 3 to be located at the same horizontal height, thereby facilitating the mounting operation of the battery 30.

[0197] The lower edge of the extension 2 extends along a horizontal line, which facilitates the mounting structure 3 to be at the same horizontal height, thereby simplifying the mounting operation of the battery 30. At the same time, the upper edge of the extension 2 decreases in the direction away from the main body 1, so that the height of the end of the extension 2 connected to the main body 1 is relatively large, while the height of the end of the extension 2 away from the main body 1 is relatively small. This enhances the connection strength between the extension 2 and the main body 1, improves the reliability of the extension 2 for mounting the battery 30, and reduces the weight of the extension 2, thereby reducing the load on the vehicle 1000.

[0198] In some embodiments, please refer to Figure 5 or Figure 6 The extension 2 is provided with a second weight reduction structure 21 and / or a second reinforcing structure 22.

[0199] Therefore, by setting the second weight-reduction structure 21, the weight of the extension 2 can be reduced, thus facilitating a lightweight design for the extension 2. The second weight-reduction structure 21 may include, but is not limited to, weight-reduction holes, weight-reduction grooves, or thinning processes.

[0200] Therefore, by setting the second reinforcing structure 22, the structural strength of the extension 2 is enhanced, and the problem of deformation under stress in the extension 2 is improved. The second reinforcing structure 22 may include, but is not limited to, reinforcing ribs, strip-shaped reinforcing protrusions, or local thickening of the extension 2. When the first reinforcing structure 614 is set as a reinforcing rib, the structural shape of the reinforcing rib is not limited, for example, it can be straight, curved, or intersecting, etc.

[0201] In addition, when the extension 2 is provided with both the second weight reduction structure 21 and the second reinforcing structure 22, the weight of the extension 2 increases because the second reinforcing structure 22 is provided. The weight can be reduced by providing the second weight reduction structure 21. In this way, the reliability and lightweight of the extension 2 can be balanced.

[0202] Secondly, please refer to Figure 3 and Figure 4 This application provides a vehicle frame assembly 100, including: a vehicle beam 20 and a battery mounting bracket 10 of any of the above embodiments. The vehicle beam 20 includes two longitudinal beams 201 extending along a first direction X and spaced apart along a second direction Y. The frame body 10a is mounted to the vehicle beam 20, and the docking structure 6 is located between the two longitudinal beams 201.

[0203] It is worth noting that the specific configuration of the vehicle beam 20 according to the embodiments of this application is not limited, for example... Figure 3 As shown, the vehicle beam 20 may include two longitudinal beams 201 extending along the length direction of the vehicle and at least one transverse beam 202 extending along the width direction of the vehicle. The two longitudinal beams 201 are spaced apart along the width direction of the vehicle, and the transverse beam 202 connects the two longitudinal beams 201. Since the vehicle beam 20 includes two longitudinal beams 201 extending along a first direction X and spaced apart along a second direction Y, the second direction Y can be set to be orthogonal to the first direction X.

[0204] Therefore, the docking structure 6 is located between the two longitudinal beams 201, which can provide a certain degree of protection for the docking structure 6, thereby reducing damage to the docking structure 6 and extending its service life. It also allows the docking structure 6 to fully utilize the space between the two longitudinal beams 201, improving space utilization and facilitating a reduction in the volume of the battery mounting bracket 10, thus increasing the capacity of the battery 30. Furthermore, the portion of the docking structure 6 located between the two longitudinal beams 201 is protected by them, reducing the probability of the docking structure 6 being damaged by impacts, mitigating the problem of corrosion failure caused by mud and water, improving the reliability and stability of the docking, and reducing the risk of electrical failures caused by mud and splashing water erosion. Moreover, the docking structure 6 does not occupy space outside the vehicle beam 20 and does not interfere with the fit between the battery mounting bracket 10, the vehicle beam 20, and the battery 30.

[0205] In some embodiments, the docking interface of the docking structure 6 is higher than the bottom surface of the longitudinal beam 201 and is positioned downwards.

[0206] Therefore, because the docking interface of the docking structure 6 is higher than the bottom surface of the longitudinal beam 201, the docking interface of the docking structure 6 has a greater height from the ground, which provides better protection. Furthermore, the height of the docking interface of the docking structure 6 helps save space, allowing for a larger height of the battery 30 so that at least a portion of the battery 30 can extend between the two longitudinal beams 201. This improves the tightness of the fit between the battery mounting bracket 10 and the battery 30, fully utilizing space and increasing the battery's size and energy density. Moreover, by setting the docking interface downwards, the battery 30 can be docked with the docking structure 6 while being mounted from bottom to top, thereby improving battery swapping efficiency.

[0207] In this way, the docking direction of the battery 30 when it is connected to the vehicle 1000 is arranged along the height direction of the vehicle 1000. Since the battery 30 is also arranged along the height direction of the vehicle 1000 when it is mounted on the vehicle 1000, the docking direction of the battery 30 can coincide with the battery swapping direction. Therefore, there is no need to set up docking space in the length or width direction of the vehicle 1000, which improves space utilization. Furthermore, the mounting and docking of the battery 30 can be carried out in the same direction, thereby improving the battery swapping efficiency.

[0208] Thirdly, this application provides a vehicle 1000, including a battery 30 and a frame assembly 100 of any of the above embodiments. The battery 30 is mounted on a mounting structure 3 and docked with a docking structure 6. It is worth noting that the sum of all parts of the vehicle 1000 except for the battery 30 and the battery mounting bracket 10 can be understood as the vehicle body 101, and the vehicle beam 20 is a part of the vehicle body 101.

[0209] Therefore, by setting up the frame assembly 100, the battery 30 is mounted using the mounting structure 3, and the battery 30 and the vehicle body 101 are connected by the docking structure 6 to meet the docking requirements of the battery 30 and the vehicle body 101. This simplifies the structural design of the docking point between the vehicle body 101 and the battery 30. Furthermore, by integrating both the mounting structure 3 and the docking structure 6 onto the frame body 10a, their positions are aligned, thereby improving the battery swapping efficiency and success rate.

[0210] In some embodiments, please refer to Figure 8 , Figure 8 This is a simplified structural diagram of the battery 30 in some embodiments of this application.

[0211] The battery 30 includes two battery side portions 30a and a battery central portion 30b. In the width direction of the vehicle beam 20, the two battery side portions 30a are located on both sides of the battery central portion 30b. The top surface of the battery central portion 30b is lower than the top surface of the battery side portions 30a, so that a clearance groove 30c is formed between the two battery side portions 30a and the battery central portion 30b, which runs through the length direction of the vehicle beam 20 and has an open top to avoid the vehicle beam 20. The battery side portions 30a are detachably connected to the mounting structure 3. The top of the battery central portion 30b has a docking portion 30d that docks with the docking structure 6.

[0212] Therefore, by setting the top surface of the central portion 30b of the battery to be lower than the top surface of the side portion 30a of the battery, a clearance groove 30c is formed between the two side portions 30a and the central portion 30b of the battery. In this way, when the battery 30 is actually installed, the clearance groove 30c can be used to avoid the vehicle beam 20, so as to avoid interference between the battery 30 and the vehicle beam 20. The space on both sides of the width of the vehicle beam 20 is fully utilized to install the battery 30, thereby increasing the overall size of the battery 30 and improving the size energy density of the battery 30.

[0213] The battery side portion 30a is detachably connected to the mounting structure 3, and the top of the battery central portion 30b has a mating part 30d. This allows the mating structure 6 and the mounting structure 3 to be distributed separately, avoiding concentrated connection points, reducing assembly difficulty, and facilitating mounting and mating requirements. Furthermore, when both battery side portions 30a are connected to the mounting structure 3, the mounting reliability and stability of the battery 30 are improved.

[0214] It is worth noting that the docking part 30d is located at the top of the central part 30b of the battery, so that when the battery 30 moves from bottom to top along the height direction of the vehicle 1000, the docking part 30d of the battery 30 can be easily docked with the docking structure 6 between the two longitudinal beams 201. This helps to reduce the difficulty of battery swapping operation, improve battery swapping efficiency, and save the space required for battery swapping operation.

[0215] For example Figure 3 As shown, in the width direction of the beam 20 (e.g.) Figure 3 When extensions 2 are provided on both sides of the second direction Y shown and the battery 30 is mounted on the vehicle beam 20, at least a portion of the vehicle beam 20 is located in the clearance groove 30c and above the central part 30b of the battery. The two battery side parts 30a can be respectively mounted in the battery mounting space 4 on both sides of the width direction of the vehicle beam 20, so as to make full use of the space in the width direction of the vehicle beam 20 to arrange a larger battery 30.

[0216] Furthermore, when the docking interface of the docking structure 6 is set downwards, the battery 30 can be docked with the docking structure 6 simultaneously while being mounted on the mounting structure 3 from bottom to top. This allows the docking space when the battery 30 docks with the vehicle 1000 to be arranged along the height direction of the vehicle 1000. Since the battery 30's battery swapping movement space is also arranged along the height direction of the vehicle 1000 when it is mounted on the vehicle 1000, the docking direction of the battery 30 can coincide with the battery swapping movement direction. This eliminates the need to set additional docking space in the length or width direction of the vehicle 1000, thereby improving space utilization and allowing battery swapping and battery docking to be carried out simultaneously, thus improving battery swapping efficiency.

[0217] The connection methods between the battery side portion 30a and the mounting structure 3 include, but are not limited to, bolt connection, snap-fit, plug-in connection, or magnetic engagement. Furthermore, the battery side portion 30a can be connected to the mounting structure 3 at the top, middle, or bottom. For example, the upper end of the battery side portion 30a can be set higher than the bottom surface of the vehicle beam 20, while the lower end of the battery side portion 30a can be set lower than the bottom surface of the vehicle beam 20, thereby fully utilizing the space on both sides of the width of the vehicle beam 20.

[0218] In recent years, battery swapping has become an important way for pure electric commercial vehicles to replenish energy in applications such as logistics, ports, and mines, and the construction of battery swapping stations has been accelerating. To ensure the universality and interchangeability of battery swapping, and to fully utilize battery swapping stations, charging equipment, and other battery swapping facilities, thus reducing resource waste, further efforts are being made.

[0219] This application proposes several embodiments of chassis-based battery swapping to improve compatibility and interchangeability. However, the following embodiments are not limited to pure electric vehicles; other types of battery swapping vehicles can also be used as a reference.

[0220] In some embodiments, the operating voltage range of the battery swapping system is 400V to 750V.

[0221] In some embodiments, the flatness of the battery swapping contact surface of the battery swapping system is ≤4mm. Specifically, the contact interface between the battery swapping system and the battery mounting bracket should be a single plane with no convex structures, and the flatness should be less than 4mm.

[0222] In some embodiments, the dimensional tolerance of the battery swapping system is within ±10 mm.

[0223] In some embodiments, the vehicle weight M1 and battery capacity Q in the battery swapping system satisfy the following conditions: 0 kg < M1 ≤ 1400 kg, 100 kWh ≤ Q ≤ 200 kWh; or 1400 kg < M1 ≤ 2800 kg, 200 kWh < Q ≤ 400 kWh; or 2800 kg < M1 ≤ 4200 kg, 400 kWh < Q ≤ 600 kWh; or 4200 kg < M1 ≤ 5600 kg, 600 kWh < Q ≤ 800 kWh.

[0224] In some embodiments, such as Figures 9-10 As shown, the battery swapping system should be replaced on the vehicle within the corresponding envelope space. The battery dimensions in the battery swapping system are as follows: Figures 11-12 Logo.

[0225] In some embodiments, reference Figures 9-12 The front and rear ends of the battery swapping system are reserved with a safety gap L0 between them and the vehicle, and L0 ≥ 50 mm.

[0226] In some embodiments, reference Figures 9-12 The dimensions L of the battery swapping system along the length of the vehicle must satisfy: 700mm≤L≤900mm; or 1500mm≤L≤1700mm; or 2300mm≤L≤2500mm; or 3100mm≤L≤3300mm.

[0227] In some embodiments, reference Figures 9-12 The dimension W of the battery swapping system along the vehicle width direction must satisfy: 2300mm≤W≤2550mm.

[0228] In some embodiments, reference Figures 9-12 The total height H of the battery swapping system must satisfy: H≤680mm.

[0229] In some embodiments, reference Figures 9-12 The length L1 of the upper boss (such as the upper part of the battery) of the battery swapping system shall satisfy: 600mm≤L1≤700mm.

[0230] In some embodiments, reference Figures 9-12 The width W1 of the upper two side bosses of the battery swapping system (such as the upper part of the battery side 30a) must satisfy: W1≤805mm.

[0231] In some embodiments, reference Figures 9-12 The width W2 of the upper middle boss of the battery swapping system (such as the upper part of the battery in the central part 30a) must satisfy: W2≤640mm.

[0232] In some embodiments, reference Figures 9-12 The height dimension H1 of the upper two side bosses of the battery swapping system (such as the upper part of the battery side 30a) must satisfy: H1≤300mm.

[0233] In some embodiments, reference Figures 9-12 The height dimension H2 of the upper middle boss of the battery swapping system (such as the upper part of the battery in the central part 30a) must satisfy: H2≤150mm.

[0234] Currently, the main application scenarios for heavy-duty electric trucks are long-haul logistics, short- and medium-distance operations (such as urban construction waste transportation), and closed operation scenarios (such as ports). The power demand can be roughly divided into three types: 400-600kWh, 300-400kWh, and 150-200kWh. Based on this power series, it can be seen that the standard package solution can be flexibly configured to suit different scenarios. For example, the power capacity of the standard battery swapping system is around 150-200kWh. Three standard battery swapping systems (referred to as three-pack), two standard battery swapping systems (referred to as two-pack), or a single standard battery swapping system (referred to as single pack) can be used to meet the power demand.

[0235] Currently, the main models of heavy-duty electric trucks include: 6x4 tractor trucks, 4x2 tractor trucks, 8x4 dump trucks, 6x4 dump trucks, 4x2 cargo trucks, and 6x4 cargo trucks. Among them, the 6x4 tractor trucks and 8x4 dump trucks have relatively short wheelbases, while other models are compatible. Specifically, the 6x4 tractor truck: the ideal wheelbase for a traditional gasoline truck is 3300mm, but currently, it cannot accommodate a large battery capacity. For rear-mounted battery swapping models, the wheelbase has been extended to 3800mm, but this space still cannot accommodate the target battery capacity. Currently, it is suggested that the wheelbase be extended to 4200mm to allocate battery space based on this wheelbase. The 8x4 dump truck: some are used in urban areas, and some in mining areas. The 8x4 dump truck in mining areas has a longer wheelbase to ensure transport capacity; the increased wheelbase allows for the placement of the target battery capacity. In urban 8x4 dump trucks, the wheelbase of traditional fuel vehicles is 2500-2600mm, which is not enough space to accommodate the target battery capacity. For models with rear-mounted battery swapping, the wheelbase is extended to 3200-3300mm, and the chassis battery swapping can be based on this extended wheelbase to allocate battery space.

[0236] The space constraints at the front end of the battery include: leaf springs and their supports, which are generally around 1600-1800mm in the industry under heavy load conditions (900mm on one side). The space constraints at the rear end of the battery include: mudguards, approximately 700mm from the wheel center. A 50mm safety clearance is reserved at both the front and rear ends of the battery. Therefore, the approximate envelope size of the battery swapping system for a 6x4 tractor is: 4200-900-700-100=2500mm (three packs), and for an 8x4 dump truck, it is approximately: 3300-900-700-100=1600mm (two packs). Based on the envelope space of these two battery swapping systems, and considering a gap of 20-30mm between battery swapping systems, the approximate length envelope size of each battery swapping system is 700-820mm.

[0237] When designing a battery swapping system, the width envelope should not exceed the vehicle width required by regulations, such as the width of a heavy-duty electric truck, which is 2550mm.

[0238] When designing the height envelope of the battery swapping system, it is considered that the upper part of the battery swapping system maintains a 20mm gap with the upper wing surface of the vehicle beam, and the bottom surface of the battery swapping system maintains a ground clearance of 300mm or 400mm or more. The ground clearance of the upper wing surface of the vehicle beam is generally 1000-1100mm. Therefore, the height envelope of the battery swapping system is approximately 580-780mm.

[0239] Furthermore, in order to improve the compatibility and interchangeability of battery swapping, this application also proposes some embodiments of the battery mounting bracket 10.

[0240] In some embodiments, reference Figure 13 In the longitudinal direction of the vehicle (such as the first direction X), the length of the battery mounting space 4 is Y1, and satisfies: 620mm≤Y1≤720mm.

[0241] In some embodiments, reference Figure 13 In the width direction of the vehicle (such as the second direction Y), the width of the battery mounting space 4 is N1, and satisfies: 690mm≤N1≤815mm.

[0242] In some embodiments, reference Figure 13 In the width direction of the vehicle (such as the second direction Y), the minimum width between the two second main walls 12 (or the width of the clearance opening 15) is N2, and satisfies: 660mm≤N2≤680mm.

[0243] In some embodiments, reference Figure 14In the width direction of the vehicle (e.g., the second direction Y), the total width of the battery mounting bracket 10 is P, and in the length direction of the vehicle (e.g., the first direction X), the total length of the battery mounting bracket 10 is R, and satisfies the following: 2300mm≤P≤2550mm, 700mm≤R≤900mm (e.g., having only one battery mounting space 4), or 1500mm≤R≤1700mm (e.g., having two battery mounting spaces 4), or 2300mm≤R≤2500mm (e.g., having three battery mounting spaces 4), or 3100mm≤R≤3300mm (e.g., having four battery mounting spaces 4).

[0244] The above embodiments are merely illustrative of the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A battery mounting bracket, characterized in that, include: A frame body, the frame body being adapted to be installed onto a vehicle body; A mounting structure, which is integrated on the frame body and is used to mount batteries; A docking structure is also integrated on the frame body and is used to connect the vehicle body and dock the battery so that the battery and the vehicle body form a circuit and / or liquid circuit connection.

2. The battery mounting bracket according to claim 1, characterized in that, The frame body includes: The main body is adapted to be installed onto the vehicle body, and the docking structure is disposed on the main body. An extension portion, one end of which is connected to the main body portion, and the other end of which extends away from the main body portion, wherein the mounting structure is disposed on the extension portion.

3. The battery mounting bracket according to claim 2, characterized in that, The main body includes a beam clearance groove, the beam clearance groove having an opening extending in a first direction, and the docking structure is located within the beam clearance groove.

4. The battery mounting bracket according to claim 3, characterized in that, The main body includes a plurality of first main body walls spaced apart along the first direction, with an avoidance opening formed between two adjacent first main body walls, and the docking interface of the docking structure is higher than the first main body wall and is provided corresponding to the avoidance opening.

5. The battery mounting bracket according to claim 4, characterized in that, The docking structure includes a support frame and a docking device. The support frame includes a support portion and a support leg portion. The docking device is disposed on the support portion. The support leg portion extends from both ends of the support portion in the first direction toward the first main body wall and is connected to the first main body wall.

6. The battery mounting bracket according to claim 5, characterized in that, The load-bearing part has a first weight-reducing structure, and / or the connection between the support leg and the load-bearing part is provided with a first reinforcing structure.

7. The battery mounting bracket according to claim 5, characterized in that, The support frame is a one-piece molded part and is assembled and connected to the first main body wall.

8. The battery mounting bracket according to claim 4, characterized in that, The clearance openings are a plurality of those spaced apart along the first direction, and each clearance opening is respectively provided with the docking structure.

9. The battery mounting bracket according to claim 4, characterized in that, The main body includes a second main body wall extending along the first direction. There are two second main body walls, which are spaced apart along a second direction intersecting the first direction. The two second main body walls are connected to the two ends of each of the first main body walls in the second direction to form the top-open vehicle beam clearance groove between the first main body wall and the second main body wall. The extension is connected to the second main body wall and is located on the side of the second main body wall away from the first main body wall in the second direction.

10. The battery mounting bracket according to claim 2, characterized in that, The main body has a plurality of extensions arranged at intervals along a first direction on one side, and a battery mounting space is defined between two adjacent extensions.

11. The battery mounting bracket according to claim 10, characterized in that, The main body has a plurality of battery mounting spaces spaced apart along the first direction on one side. The docking structures are multiple and spaced apart along the first direction, and the multiple docking structures and the multiple battery mounting spaces are arranged opposite to each other along a second direction intersecting the first direction.

12. The battery mounting bracket according to claim 10, characterized in that, The mounting structure is arranged on the side of the extension facing the battery mounting space.

13. The battery mounting bracket according to claim 12, characterized in that, Among the plurality of extensions arranged along the first direction, at least one of the middle extensions is a common extension. The common extension has battery mounting spaces on both sides of the length direction of the main body, and mounting structures are arranged on both sides of the battery mounting spaces of the common extension.

14. The battery mounting bracket according to claim 13, characterized in that, The mounting structures on both sides of the common extension are misaligned in their orthographic projections onto a projection plane perpendicular to the first direction.

15. The battery mounting bracket according to claim 12, characterized in that, The battery mounting space is provided with mounting structures on the extensions on both sides of the first direction.

16. The battery mounting bracket according to claim 15, characterized in that, The mounting structures on both sides of the battery mounting space are misaligned in their orthogonal projections onto a projection plane perpendicular to the first direction.

17. The battery mounting bracket according to claim 12, characterized in that, The extension is provided with a plurality of mounting structures on the side facing the battery mounting space, and at least two of the mounting structures are arranged at intervals along the length direction of the extension.

18. The battery mounting bracket according to claim 12, characterized in that, The extension includes a mounting edge protruding into the battery mounting space, and the mounting structure is located on the mounting edge.

19. The battery mounting bracket according to claim 18, characterized in that, The mounting edge is located at the lower edge of the extension in the height direction.

20. The battery mounting bracket according to claim 18, characterized in that, The length direction of the mounting edge is the same as the extension direction of the extension portion; wherein, a plurality of mounting structures are provided on the mounting edge at intervals along the length direction of the mounting edge, or, the mounting structure on the mounting edge is configured as one and extends along the length direction of the mounting edge.

21. The battery mounting bracket according to claim 11, characterized in that, The battery mounting bracket also includes a reinforcing section for connecting at least two of the extensions located on the same side of the main body.

22. The battery mounting bracket according to claim 10, characterized in that, The main body has extensions arranged on both sides in a second direction that intersects with the first direction.

23. The battery mounting bracket according to claim 22, characterized in that, The extensions on both sides of the main body in the second direction extend in the same direction, and the projections of the extensions on both sides of the main body in the second direction coincide along the orthographic projection of the extension direction.

24. The battery mounting bracket according to any one of claims 2-23, characterized in that, The height of the extension tends to decrease along the direction away from the main body.

25. The battery mounting bracket according to claim 24, characterized in that, The mounting structure is located at the lower edge of the extension, the lower edge of the extension extends along a horizontal line, and the upper edge of the extension decreases in a direction away from the main body.

26. The battery mounting bracket according to any one of claims 2-23, characterized in that, The extension is provided with a second weight-reducing structure and / or a second reinforcing structure.

27. The battery mounting bracket according to claim 10, characterized in that, The battery mounting bracket is used in a vehicle, the first direction being the length direction of the vehicle, and the width direction of the vehicle being the second direction; In the longitudinal direction of the vehicle, the total length of the battery mounting bracket is R, and the length of the battery mounting space is Y1; Y1 satisfies: 620mm≤Y1≤720mm; R satisfies: 700mm≤R≤900mm, or 1500mm≤R≤1700mm, or 2300mm≤R≤2500mm, or 3100mm≤R≤3300mm; In the width direction of the vehicle, the total width of the battery mounting bracket is P, and the width of the battery mounting space is N1; N1 satisfies: 690mm≤N1≤815mm; P satisfies: 2300mm≤P≤2550mm.

28. The battery mounting bracket according to claim 9, characterized in that, In the second direction, the minimum width between the two second main body walls is N2, which satisfies: 660mm≤N2≤680mm.

29. A vehicle frame assembly, characterized in that, include: A vehicle beam, the vehicle beam comprising two longitudinal beams extending along a first direction and spaced apart along a second direction; The battery mounting bracket as described in any one of claims 1-28, wherein the bracket body is mounted to the vehicle beam, and the docking structure is located between the two longitudinal beams.

30. The frame assembly according to claim 29, characterized in that, The docking interface of the docking structure is higher than the bottom surface of the longitudinal beam and is set downwards.

31. A vehicle, characterized in that, Includes a battery and a frame assembly as described in claim 29 or 30, wherein the battery is mounted on the mounting structure and docked to the docking structure.

32. The vehicle according to claim 31, characterized in that, The battery includes two battery side portions and a battery central portion. In the width direction of the vehicle beam, the two battery side portions are respectively located on both sides of the battery central portion. The top surface of the battery central portion is lower than the top surface of the battery side portions to form a clearance groove that runs through the length direction of the vehicle beam and is open at the top to avoid the vehicle beam between the two battery side portions and the battery central portion. The battery side portions are detachably connected to the mounting structure, and the top of the battery central portion has a docking part that docks with the docking structure.

33. The vehicle according to claim 31, characterized in that, The flatness of the contact interface between the battery and the battery mounting bracket is less than or equal to 4 mm.

34. The vehicle according to claim 31, characterized in that, The dimension L of the battery along the length direction of the vehicle satisfies: 700mm≤L≤900mm, or 1500mm≤L≤1700mm, or 2300mm≤L≤2500mm, or 3100mm≤L≤3300mm; the dimension W of the battery along the width direction of the vehicle satisfies: 2300mm≤W≤2550mm; the total height H of the battery satisfies: H≤680mm, or 580mm≤H≤780mm.

35. The vehicle according to claim 32, characterized in that, The length L1 of the upper part of the battery satisfies: 600mm≤L1≤700mm; the width W1 of the upper part of the battery on the side satisfies: W1≤805mm; the width W2 of the upper part of the battery in the center satisfies: W2≤640mm; the height H1 of the upper part of the battery on the side satisfies: H1≤300mm; and the height H2 of the upper part of the battery in the center satisfies: H2≤150mm.

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