Battery mounting bracket, frame assembly and vehicle

Abstract

A battery mounting rack (10) comprises a first rack (2A) including a plurality of extensions (2) arranged at intervals along a first direction (X) and a plurality of battery mounting spaces (4) provided in sequence along the first direction (X), the battery mounting space (4) being defined between two adjacent extensions (2) along the first direction (X), the battery mounting rack (10) being provided with a battery mounting structure (3) for mounting a battery (30) in the battery mounting space (4). A vehicle frame assembly and a vehicle are also disclosed.

Description

[0001] Cross-reference to related applications

[0002] This application is based on and claims priority to Chinese Patent Application No. 202310799492.4, 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. However, when vehicles have their battery packs replaced at battery swapping stations, the battery packs are often not completely depleted, resulting in energy waste. Summary of the Invention

[0005] In view of the above problems, this application provides a battery mounting bracket, a frame assembly, and a vehicle, wherein the battery mounting bracket can carry multiple batteries and select the battery to be replaced according to the actual situation, thereby improving the problem of energy waste.

[0006] In a first aspect, this application provides a battery mounting bracket, which includes a first frame. The first frame includes a plurality of extensions spaced apart along a first direction and a plurality of battery mounting spaces arranged sequentially along the first direction. The battery mounting spaces are defined between two adjacent extensions along the first direction. The battery mounting bracket is provided with a battery mounting structure for mounting a battery in the battery mounting space.

[0007] In the technical solution of this application embodiment, when installing a battery in a vehicle using such a battery mounting rack, the battery mounting rack includes multiple battery mounting spaces, and the battery mounting rack is provided with a battery mounting structure so that each battery mounting space can be used to mount a battery. This allows for individual mounting of batteries to each battery mounting space, enabling the battery mounting rack to accommodate multiple batteries. When swapping batteries, only the depleted batteries can be replaced, while the undepleted batteries are retained, thereby improving battery energy utilization and mitigating energy waste. Furthermore, when the battery mounting rack is used in a vehicle, the first direction can be set as the length direction of the vehicle, allowing the battery mounting rack to mount multiple batteries along the length of the vehicle. This increases the number of batteries that can be placed on the vehicle and also allows for increasing the dimensions of the battery mounting spaces in the length and width directions of the vehicle, thereby increasing the dimensional energy density of the batteries. Moreover, the battery mounting spaces are confined between two adjacent extensions along the first direction, which can protect the batteries and improve issues such as battery collisions and heat transfer between adjacent battery mounting spaces along the first direction.

[0008] In some embodiments, at least two battery mounting spaces on the first rack have the same length in the first direction.

[0009] In the above technical solution, since the length of at least two battery mounting spaces on the first frame is the same in the first direction, it is convenient to install batteries of the same specification in the at least two battery mounting spaces with the same length in the first direction. This allows the battery to be installed in any one of the battery mounting spaces, thereby improving installation efficiency and installation flexibility.

[0010] In some embodiments, the lengths of at least two battery mounting spaces on the first rack are not equal in the first direction.

[0011] In the above technical solution, since the lengths of at least two battery mounting spaces on the first frame are not the same in the first direction, when batteries of different specifications are installed in the at least two battery mounting spaces with different lengths in the first direction, the batteries of different specifications can be installed in the battery mounting spaces of the corresponding size, so that the setting of the battery mounting space can match the specifications of the corresponding batteries, thereby reducing the waste of installation space, and enabling the battery mounting rack to install at least two types of batteries of different specifications.

[0012] In some embodiments, the battery mounting bracket includes two first brackets spaced apart along a second direction, each first bracket including a plurality of battery mounting spaces arranged sequentially along a first direction, the second direction intersecting the first direction.

[0013] In the above technical solution, by setting the battery mounting rack to include two first racks, and each first rack includes multiple battery mounting spaces arranged sequentially along the first direction, each first rack has the function of mounting multiple batteries in the first direction, and the two first racks are arranged at intervals along the second direction, which can make full use of the space in the second direction to increase the number of batteries that the battery mounting rack can mount, thereby improving the driving range of the vehicle on a single battery swap.

[0014] In some embodiments, the extensions in the two first frames are arranged in a one-to-one correspondence along the second direction, and the two corresponding extensions have the same length extension direction and their orthographic projections along the length extension direction coincide.

[0015] In the above technical solution, through the aforementioned arrangement, the battery mounting spaces defined on the two first frames along the second direction are of the same size and correspond in position. Therefore, when installing large-sized and relatively regularly shaped batteries, the two sides of the battery can respectively cooperate with the two battery mounting spaces corresponding to each other in the second direction. This allows the two battery mounting spaces corresponding to each other in the second direction to be used together to install a large-sized battery, which helps to improve the energy density of the installed battery. Furthermore, when the extension has a battery mounting structure, the two extensions corresponding to each other in the second direction can respectively bear the load on both sides of the large-sized battery, thereby improving the battery's force balance and mounting stability.

[0016] In some embodiments, the first direction is perpendicular to the second direction, the length extension direction of the extension is the second direction, and the battery mounting spaces on the two first frames are symmetrically arranged.

[0017] In the above technical solution, the two ends of a symmetrical and large-sized battery can be mounted in two symmetrically arranged battery mounting spaces, meeting the mounting requirements of large-sized batteries. Moreover, the batteries or the local distribution of batteries installed in the symmetrical battery mounting spaces are more balanced, and the force applied to the battery mounting frame can be more even, which helps to improve the structural stability of the battery mounting frame.

[0018] In some embodiments, the battery mounting bracket further includes a second bracket connected to two first brackets spaced apart along a second direction. The second bracket includes a beam clearance groove having an opening extending along a first direction.

[0019] In the above technical solution, by setting a second frame, the two first frames A can be connected into a whole structure. For example, when the second frame is fixed to the vehicle frame, the battery mounting bracket can be fixed, so that each first frame A can reach the use position, thereby reducing the assembly difficulty of the battery mounting bracket. At the same time, the beam avoidance groove of the second frame has an opening that runs through the first direction X, so that a part of the beam can extend into the beam avoidance groove. Thus, the beam avoidance groove can avoid the beam, avoid interference between the battery mounting bracket and the beam, and improve the compactness of the fit between the battery mounting bracket and the beam. This is beneficial for using the space near the beam to install the battery, thereby increasing the size and size energy density of the battery.

[0020] In some embodiments, the second frame includes a first main body wall, which is a plurality of the first main body walls and is spaced apart along a first direction to form a battery clearance opening between two adjacent first main body walls. The battery clearance opening and the battery mounting space are disposed opposite to each other along a second direction.

[0021] In the above technical solution, by setting up a battery clearance opening, when installing a larger battery in the battery mounting space, the battery can be cleared through the clearance opening to avoid interference between the battery and the second frame, which facilitates the installation of larger batteries and helps to improve the energy density of the installed batteries.

[0022] In some embodiments, the second frame further includes a second main body wall extending along a first direction. There are two second main body walls, which are spaced apart and connected to each side of the first main body wall along a second direction, so that the beam clearance groove is defined between the first main body wall and the two second main body walls. The first frame is disposed on the side of the second main body wall away from the first main body wall in the second direction, and each extension is connected to the second main body wall.

[0023] In the above technical solution, by setting a second main body wall, multiple first main body walls and second main body walls can be connected into an integral structure, thereby reducing the difficulty of setting the second frame and defining the extension direction of the vehicle beam avoidance groove, so that it extends along the first direction. The first frame is set on the side of the second main body wall away from the first main body wall in the second direction, and each extension is connected to the side of the second main body wall away from the first main body wall in the second direction, so as to avoid interference between the extension and the vehicle beam, and to facilitate the expansion of the battery mounting space in the second direction, which is conducive to improving the size and size energy density of the battery.

[0024] In some embodiments, the height of the extension tends to decrease along the direction away from the second body wall.

[0025] In the above technical solution, by setting the height of the extension to decrease along the direction away from the second main wall, the height of the area of ​​the extension away from the second main wall is smaller. That is, the height of the end of the extension connected to the second main wall is relatively large, while the height of the end of the extension away from the second main wall is relatively small. This can enhance the connection strength between the extension and the second main wall, improve the reliability of the extension for battery mounting, and reduce the weight of the extension, thereby reducing the vehicle load.

[0026] In some embodiments, the lower edge of the extension extends along a horizontal line, the battery mounting structure is located at the lower edge of the extension, and the upper edge of the extension decreases in a direction away from the second body wall.

[0027] The above technical solution results in a lower height for the battery mounting structure, which reduces the difficulty of mounting the battery and ensures that all battery mounting structures are at the same horizontal height, thus facilitating the battery mounting operation.

[0028] In some embodiments, at least one of the first and second frames is provided with a beam connection structure.

[0029] In the above technical solution, the beam connection structure can be set on the first frame, or the beam connection structure can be set on the second frame, or the beam connection structure can be set on both the first frame and the second frame. In this way, since the second frame cooperates with the beam through the beam avoidance groove, both the second frame and the first frame can have a part close to the beam. Thus, by setting the beam connection structure to connect to the beam, it is easy to install the battery mounting bracket to the frame.

[0030] In some embodiments, the side of the extension facing the battery mounting space is provided with at least one of a heat insulation structure, a heat dissipation structure, and a buffer structure.

[0031] In the above technical solution, by setting up heat insulation structural components, the heat transfer effect between two adjacent batteries can be improved. By setting up heat dissipation structural components, the batteries can be cooled, thereby improving battery overheating. By setting up buffer structural components, the batteries can be buffered, thereby improving the rigid contact between the batteries and the buffer part, thus protecting the batteries and extending their service life.

[0032] In some embodiments, the battery mounting structure is located on the extension.

[0033] In the above technical solution, by setting the battery mounting structure in the extension, the battery mounting structure only occupies the space in the first direction X, thereby avoiding the battery mounting structure occupying space in other directions, which is beneficial to improving the size of the battery in other directions.

[0034] In some embodiments, a battery mounting structure is arranged on the side of the extension facing the battery mounting space.

[0035] In the above technical solution, by arranging a battery mounting structure on the side of the extension facing the battery mounting space, the battery mounting structure corresponds to the specific battery mounting space it faces. This allows for the mounting of the battery in the designated battery mounting space, clearly defining the correspondence between the battery mounting structure and the battery mounting space. Extending the battery into the battery mounting space allows it to connect with the battery mounting structure facing that space, thus facilitating convenient battery mounting. Furthermore, when there are multiple battery mounting spaces, there is no interference between the battery mounting structures corresponding to different spaces. This ensures that the battery mounting structure for each space has sufficient space for flexible arrangement, making it easier and more reliable to mount the battery.

[0036] In some embodiments, at least one of the multiple extensions located in the middle is a common extension. The common extension has battery mounting spaces on both sides in a first direction, and battery mounting structures are arranged on both sides of the battery mounting spaces facing both sides of the common extension.

[0037] In the above technical solution, when the number of battery mounting spaces spaced at intervals along the first direction is fixed, the number of extensions spaced at intervals along the first direction can be reduced, thereby helping to reduce costs and vehicle load.

[0038] In some embodiments, the battery mounting structures on both sides of the common extension in the first direction are misaligned in orthographic projection onto a projection plane perpendicular to the first direction.

[0039] In the above technical solution, by setting the orthographic projection misalignment of the battery 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 battery 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 enhancing the mounting reliability of the batteries.

[0040] In some embodiments, the extension includes a mounting edge protruding into the battery mounting space, and the battery 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, battery mounting structures are provided on the extensions on both sides of the battery mounting space in the first direction.

[0043] 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 battery 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, thereby improving the service life of the extensions and improving the reliability of battery mounting.

[0044] In some embodiments, the battery mounting structures on both sides of the battery mounting space in the first direction are misaligned in their orthographic projections onto a projection plane perpendicular to the first direction.

[0045] In the above technical solution, by setting the battery mounting structures on both sides of the battery mounting space to be misaligned in orthographic projection on a projection plane perpendicular to the first direction, it is further beneficial to distribute the force on the battery mounting structures on both sides, and further improve the problems of deformation and breakage of the extension caused by stress concentration. In addition, when the battery mounting structures on both sides of the shared extension in the first direction are misaligned in orthographic projection on a projection plane perpendicular to the first direction, and the battery mounting space on both sides in the first direction is also misaligned in orthographic projection on a 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.

[0046] In some embodiments, the side of the extension facing the battery mounting space is provided with a plurality of battery mounting structures, and at least two battery mounting structures are spaced apart along the length direction of the extension.

[0047] The above technical solution makes full use of the space along the length of the extension to arrange a larger number of battery mounting structures, thereby enhancing the mounting stability of the battery or increasing the number of batteries mounted in the battery mounting space.

[0048] In some embodiments, the extension is plate-shaped with its thickness direction being a first direction, its length direction being a second direction, and its width direction being the height direction.

[0049] In the above technical solution, by setting the extension portion as a plate and defining the first and second directions as described above, the battery mounting space can be located on one or both sides of the extension portion's thickness direction. This fully utilizes the length structure characteristics of the extension portion to define the battery mounting space, resulting in a smaller space occupied by the extension portion and a larger defined battery mounting space. Furthermore, the battery mounting bracket defines multiple battery mounting spaces in the extension portion's thickness direction. The distance between two adjacent battery mounting spaces in the extension portion's thickness direction is equal to the extension portion's thickness, resulting in a smaller gap between adjacent battery mounting spaces. This allows for more battery mounting spaces to be provided in the extension portion's thickness direction, further improving space utilization.

[0050] In some embodiments, the extension is provided with reinforcing ribs and / or weight-reducing structures.

[0051] In the above technical solution, reinforcing ribs are added to enhance the structural strength of the extension, improve the stress-induced deformation of the extension, and increase the reliability of the extension for battery mounting. Weight-reducing structures are also incorporated to reduce the weight of the extension, facilitating a lightweight design.

[0052] In some embodiments, the first frame also includes a reinforcement section that connects to at least two extensions.

[0053] 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.

[0054] Secondly, this application provides a vehicle frame assembly, which includes a vehicle frame and a battery mounting bracket as described in any of the above embodiments, the battery mounting bracket being used to mount a battery to the vehicle frame, the first direction being the length direction of the vehicle frame.

[0055] In the above technical solution, when the battery is installed in the vehicle using such a battery mounting rack, since the battery mounting rack includes multiple battery mounting spaces arranged sequentially along the length of the vehicle frame, the battery mounting rack can make full use of the space in the length of the vehicle frame to install more batteries. Moreover, when swapping batteries, only the batteries with depleted power can be replaced, while the batteries with undepleted power can be retained, thereby improving the energy utilization rate of the batteries and improving the problem of energy waste.

[0056] In some embodiments, the battery mounting bracket is disposed at the bottom of the vehicle frame, the vehicle frame including a beam, at least one side of the beam having a first bracket, at least a portion of the first bracket being higher than the bottom surface of the beam in the height direction of the vehicle frame.

[0057] In the above technical solution, the battery mounting space is not completely lower than the vehicle beam, but at least partially higher than the bottom surface of the vehicle beam and located on at least one side of the width direction of the vehicle beam. This allows full use of the bottom space of the vehicle frame to arrange the extension and battery mounting space, which is conducive to mounting larger batteries on the battery mounting rack, thereby increasing the driving range of the vehicle on a single battery swap.

[0058] In some embodiments, a first frame is symmetrically arranged on both sides of the beam in the width direction.

[0059] In the above technical solution, by setting the first frame on both sides of the width direction of the vehicle beam, and the first frames on both sides of the width direction of the vehicle beam are symmetrically arranged, the structure of the battery mounting frame can be simplified, the processing can be facilitated, and the space under the vehicle can be fully utilized to mount more or larger batteries.

[0060] Thirdly, this application provides a vehicle including a battery and a frame assembly as described in any of the above embodiments, wherein at least a portion of the battery is housed in a battery mounting space.

[0061] In the above technical solution, at least a portion of the battery is housed within the battery mounting space, enabling the battery to be mounted on the vehicle. This increases the battery's ground clearance, thereby increasing the vehicle's ground clearance and facilitating full utilization of the battery mounting space, thus reducing the installation space occupied by the battery. Furthermore, it allows for an increase in the number of batteries that can be mounted, enabling the selection of swappable batteries as needed and reducing energy waste.

[0062] In some embodiments, the battery is removably mounted in any battery mounting space.

[0063] In the above technical solution, the battery can be installed in any of the battery mounting spaces, which increases the versatility of the battery mounting spaces, thereby reducing the difficulty of battery mounting and improving the flexibility of battery swapping installation location selection.

[0064] In some embodiments, the vehicle includes a plurality of batteries arranged along a first direction, each battery being installed in a corresponding battery mounting space.

[0065] In the above technical solution, multiple batteries are installed one-to-one in multiple battery mounting spaces, so that multiple batteries arranged along the first direction can be mounted and installed through the first frame, that is, multiple pack mounting can be realized, thereby making full use of the space in the length direction of the vehicle to increase the number of batteries and improve the driving range of the vehicle on a single battery swap.

[0066] In some embodiments, the battery includes an upper battery portion and a lower battery portion, the upper battery portion being housed in a battery mounting space, and a mounting structure being provided between the upper and lower battery portions, the mounting structure being detachably connected to the battery mounting structure.

[0067] In the above technical solution, when the battery is mounted on the battery mounting rack, the upper part of the battery can extend into the battery mounting space. The extension can provide some protection for the upper part of the battery, thereby reducing the risk of battery damage and extending the battery's service life. At the same time, the height of the extension can be less than the height of the battery, which can reduce the height of the extension and thus reduce the weight and cost of the battery mounting rack. Moreover, setting the mounting structure between the upper and lower parts of the battery makes it possible for the battery mounting structure to be located at the lower edge of the extension, which is beneficial for battery swapping operations.

[0068] In some embodiments, in a first direction, the size of the upper part of the battery is smaller than the size of the lower part of the battery to form a stepped surface between the upper and lower parts of the battery, the bottom of the battery mounting space is open, and the stepped surface stops at the bottom of the extension.

[0069] In the above technical solution, during actual battery installation, when the upper part of the battery is inserted into the battery mounting space from bottom to top, the bottom of the extension and the stop surface of the step can be used to guide the battery to be properly installed, thus preventing the battery from extending too far into the battery mounting space and causing it to be squeezed and impacted against the vehicle floor, thereby protecting the battery. Furthermore, setting the lower part of the battery to be larger than the upper part can further increase the overall battery size to a certain extent, thereby further improving the battery's size energy density.

[0070] In some embodiments, the battery includes two battery sides and a battery center. In the width direction of the vehicle frame, 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 extends through the length direction of the vehicle frame and is open at the top to avoid a vehicle beam between the two battery sides and the battery center. At least one of the battery sides and the battery center is detachably connected to a battery mounting structure.

[0071] In the above technical solution, the battery has a clever structure. By avoiding the vehicle beam, it makes full use of the space on both sides of the width of the vehicle beam, thereby increasing the overall size of the battery and improving the size energy density of the battery. At the same time, at least one of the battery side and the battery center is detachably connected to the battery mounting structure, which helps to improve the design flexibility of the battery.

[0072] 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

[0073] 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:

[0074] Figure 1 This is a schematic diagram of the vehicle structure according to some embodiments of this application;

[0075] Figure 2 This is an exploded structural diagram of a battery according to some embodiments of this application;

[0076] 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;

[0077] Figure 4 This is a schematic diagram of the structure of a frame assembly according to some embodiments of this application;

[0078] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0079] Figure 6 This is a schematic diagram of the assembly of the vehicle frame assembly and the battery from another perspective, according to one embodiment of this application.

[0080] Figure 7 This is a schematic diagram of a battery according to one embodiment of this application;

[0081] Figure 8 for Figure 3 Enlarged view of point B in the middle;

[0082] Figure 9 A schematic diagram of a battery according to another embodiment of this application;

[0083] Figure 10 for Figure 3 A magnified view of a portion of the image;

[0084] Figure 11 This is a schematic diagram of a vehicle according to some embodiments of this application;

[0085] Figure 12 for Figure 11 A bottom view of the vehicle in the middle;

[0086] Figure 13 for Figure 12 Sectional view at EE;

[0087] Figure 14 for Figure 12 Sectional view at FF;

[0088] Figure 15This is a frontal projection view of a battery mounting bracket according to some embodiments of this application;

[0089] Figure 16 This is a cross-sectional view of a battery mounting bracket according to some embodiments of this application.

[0090] Reference numerals: Vehicle 1000, Frame assembly 100, Battery mounting bracket 10, Beam 20, Longitudinal beam 201, Crossbeam 202, Battery 30, Upper battery 30a, Lower battery 30b, Mounting structure 30c, Step surface 30d, Battery side 30e, Central battery 30f, Clearance groove 30g, Housing 301, First part 3011, Second part 3012, Battery cell 302, Controller 40, Motor 50, Frame 60; Second frame 1, First direction X, First main wall 11, Second main wall 12, Beam clearance groove 13, Battery clearance opening 14, Beam connection structure 15, First frame 2A, Extension 2, Second direction Y, Height direction of extension Z, Common extension 2a, Mounting edge 21, Reinforcing rib 22, Weight reduction structure 23, Battery mounting structure 3, Battery mounting space 4, Reinforcing part 5. Detailed Implementation

[0091] 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.

[0092] 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.

[0093] 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.

[0094] 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.

[0095] 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.

[0096] 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).

[0097] 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.

[0098] 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.

[0099] 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.

[0100] In some vehicles using related technologies, battery packs are typically mounted on a tray under the vehicle. The battery pack is placed on the tray, which is then installed under the vehicle. When a battery swap is needed, the tray is removed, the entire battery pack inside is replaced, and the tray is then reinstalled under the vehicle. However, during battery swapping, the battery pack in the tray is usually not completely depleted, resulting in energy waste.

[0101] Therefore, this application proposes a battery mounting bracket, wherein the battery mounting bracket includes a first frame, the first frame includes a plurality of extensions spaced apart along a first direction and a plurality of battery mounting spaces arranged sequentially along the first direction, the battery mounting spaces being defined between two adjacent extensions along the first direction, and the battery mounting bracket is provided with a battery mounting structure for mounting batteries in the battery mounting spaces.

[0102] When installing batteries in a vehicle using such a battery mounting rack, the rack includes multiple battery mounting spaces, and each space can be used to mount a battery. This allows for individual battery mounting to each space, enabling the rack to accommodate multiple batteries. During battery swapping, only the depleted battery can be replaced, while the partially depleted battery remains, thus improving battery energy utilization and reducing energy waste.

[0103] Furthermore, since the battery mounting space is confined between two adjacent extensions, the extensions can protect the battery, improve the problem of batteries in two adjacent battery mounting spaces arranged along the first direction from bumping each other, and improve the heat transfer problem between batteries in two adjacent battery mounting spaces arranged along the first direction, thereby improving the working reliability of the battery.

[0104] 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.

[0105] For ease of explanation, the following embodiments will use a vehicle 1000 as an example.

[0106] Please refer to Figure 1 , Figure 1This 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.

[0107] 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.

[0108] Please refer to Figure 2 , Figure 2 This 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.

[0109] 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 be composed of multiple battery cells 302 first connected in series, parallel, or a combination thereof to form a battery module, and then these 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.

[0110] 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.

[0111] 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.

[0112] 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.

[0113] 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.

[0114] 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.

[0115] like Figure 1 As shown, this application embodiment provides a battery mounting bracket 10, which is used to mount a battery 30 to the frame 60 of a vehicle 1000.

[0116] Reference Figure 3 and Figure 4 The battery mounting bracket 10 includes a first bracket 2A, which includes a plurality of extensions 2 arranged at intervals along a first direction X and a plurality of battery mounting spaces 4 arranged sequentially along the first direction X. The battery mounting spaces 4 are defined between two adjacent extensions 2 along the first direction X. The battery mounting bracket 10 is provided with a battery mounting structure 3 for mounting the battery 30 in the battery mounting space 4.

[0117] 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.

[0118] It is understandable that when the size of the battery 30 is large, the same battery 30 can be installed in multiple battery mounting spaces 4 at the same time. When the size of the battery 30 is small, one battery 30 can be set to only one battery mounting space 4, or multiple batteries 30 can be set to one battery mounting space 4 at the same time. In other words, the specific mounting method depends on the shape of the battery 30, and there are no restrictions here.

[0119] The phrase "the battery mounting rack 10 is provided with a battery mounting structure 3 for mounting the battery 30 in the battery mounting space 4" refers to the following: the battery mounting rack 10 is provided with a battery mounting structure 3 for connecting the battery 30. When the battery 30 is connected to the battery 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 the embodiments of this application, the battery mounting rack 10 includes multiple battery mounting spaces 4, and the battery mounting rack 10 is provided with a battery mounting structure 3 for each battery mounting space 4, so that each battery mounting space 4 can be used to mount the battery 30. The battery 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. The "corresponding" in the setting of the battery mounting structure 3 to the battery mounting space 4 refers to a correspondence in their relationship, including but not limited to a correspondence in position.

[0120] However, this is not the only one. For example, in some embodiments, when multiple battery mounting spaces 4 are used to mount the same battery 30, such as when two battery mounting spaces 4 are set up in the second direction Y to mount the same battery 30, the battery mounting structures 3 corresponding to these two battery mounting spaces 4 can be set to be independent of each other, or they can also be set to be linked. Thus, when the same battery 30 is mounted, the linked battery mounting structure 3 is beneficial to improving the battery swapping efficiency.

[0121] When installing the battery 30 in a vehicle using such a battery mounting bracket 10, since the battery mounting bracket 10 includes multiple battery mounting spaces 4 and has a battery mounting structure 3, each battery mounting space 4 can be used to mount the battery 30. Thus, the battery 30 can be mounted individually in each battery mounting space 4. In this way, the battery mounting bracket 10 can have the function of mounting multiple batteries 30. When swapping batteries, only the batteries 30 with depleted power can be replaced, while the batteries 30 with undepleted power can be retained. This can improve the energy utilization rate of the battery 30 and improve the problem of energy waste.

[0122] Furthermore, since the battery mounting space 4 is confined between two adjacent extensions 2, the extensions 2 can protect the battery 30, improving the problem of collisions between batteries 30 in two adjacent battery mounting spaces 4 along the first direction, and improving heat transfer between batteries 30 in two adjacent battery mounting spaces 4 along the first direction, thereby improving the operational reliability of the battery 30. In other words, the portion of the battery 30 housed within the battery mounting space 4 can be protected by the extensions 2 on both sides, improving issues such as collisions and heat transfer between batteries 30 in two adjacent battery mounting spaces 4.

[0123] The battery mounting structure 3 can be disposed on the extension 2, or it can be disposed elsewhere; this is not limited here. The distribution, quantity, and structural form of the battery mounting structures 4 can be flexibly designed to meet the mounting requirements of the battery 30. The structure of the battery mounting structure 3 is not limited; for example, it can include, but is not limited to, mounting slots, mounting holes, mounting protrusions, mounting pins, or mounting screws, etc., and this is not limited here.

[0124] For example, when the battery mounting bracket 10 is used to mount the battery 30 onto the vehicle 1000, the first direction X is set as the length direction of the vehicle 1000, and the battery mounting structure 3 is disposed on the extension 2. At this time, neither the battery mounting structure 3 nor the extension 2 occupies the space of the battery 30 in the width direction of the vehicle 1000, thereby increasing the size of the battery mounting space 4 in the width direction of the vehicle 1000 and increasing the size of the battery 30 in the width direction of the vehicle 1000, which is beneficial to improving the size 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, is also beneficial to increasing the size or number of battery mounting spaces 4 in the length direction of the vehicle 1000, thereby further improving the size energy density or number of batteries 30.

[0125] Meanwhile, multiple extensions 2 are spaced apart along the first direction X, and the battery mounting space 4 is limited between two adjacent extensions 2 along the first direction X, so that the number of battery mounting spaces 4 can be adjusted by increasing or decreasing the number of extensions 2. That is, by flexibly setting the number of extensions 2, the battery mounting rack 10 has high expandability, so that the battery mounting rack 10 can have the function of mounting multiple batteries 30 in the first direction X, that is, realize the multi-pack mounting function, thereby increasing the driving range of the vehicle 1000 per battery swap.

[0126] According to the embodiments of this application, the battery mounting bracket 10 can mount multiple batteries 30 in the first direction X, i.e., it can realize the function of mounting multiple batteries. When the battery mounting bracket 10 is used in a vehicle 1000, the first direction X can be set as the length direction of the vehicle 1000, so that the battery mounting bracket 10 can mount multiple batteries 30 along the length direction of the vehicle 1000. This is beneficial to increase the number of batteries 30 that can be arranged on the vehicle 1000, and it is also beneficial to increase the size of the battery mounting space 4 in the length and width directions of the vehicle 1000, so as to increase the size energy density of the battery 30. Moreover, the battery mounting space 4 is defined between two adjacent extensions 2 along the first direction X. The extensions 2 can be used to protect the batteries 30 and improve the problems of mutual collision and heat transfer between the batteries 30 in the two adjacent battery mounting spaces 4 along the first direction X.

[0127] In some embodiments, at least two battery mounting spaces 4 on the first frame 2A have the same length in the first direction X.

[0128] Therefore, batteries 30 of the same specification can be installed in at least two battery mounting spaces 4 with the same length in the first direction X, so that batteries 30 can be installed in either battery mounting space 4, thereby improving installation efficiency and installation flexibility.

[0129] In some embodiments, the lengths of at least two battery mounting spaces 4 on the first aircraft 2A are not equal in the first direction X.

[0130] Therefore, in order to install batteries 30 of different specifications in at least two battery mounting spaces 4 with different lengths in the first direction X, batteries 30 of different specifications can be installed in battery mounting spaces 4 of corresponding sizes, so that the setting of the battery mounting space 4 can match the specifications of the corresponding battery 30, thereby reducing the waste of installation space and enabling the battery mounting bracket 10 to install at least two types of batteries 30 of different specifications.

[0131] It is worth noting that the lengths of all battery mounting spaces 4 along the first direction X on the first 2A can be identical, inconsistent, or a combination of both. This allows for flexible configuration. When all battery mounting spaces 4 along the first direction X on the first 2A are configured such that at least two battery mounting spaces 4 have the same length along the first direction X, while at least two other battery mounting spaces 4 have inconsistent lengths along the first direction X, the flexible installation requirements for batteries of the same specification 30, as well as the installation requirements for batteries of different specifications 30, can be met.

[0132] In some embodiments, such as Figure 3 and Figure 4 As shown, the battery mounting bracket 10 includes two first brackets 2A spaced apart along the second direction Y. Each first bracket 2A includes multiple battery mounting spaces 4 arranged sequentially along the first direction X. The second direction Y intersects the first direction X, such as at an obtuse angle, an acute angle, or a right angle.

[0133] Therefore, by setting the battery mounting bracket 10 to include two first brackets 2A, and each first bracket 2A includes multiple battery mounting spaces 4 arranged sequentially along the first direction X, each first bracket 2A has the function of mounting multiple batteries 30 in the first direction X. The two first brackets 2A are arranged at intervals along the second direction Y, which can make full use of the space in the second direction Y to increase the number of batteries 30 that the battery mounting bracket 10 can mount, which is beneficial to improving the driving range of the vehicle 1000 on a single battery swap.

[0134] When the battery mounting bracket 10 is installed on the vehicle frame 60, the first direction X can be set as the length direction of the vehicle frame 60 and the second direction Y can be set as the width direction of the vehicle frame 60. Since the two first brackets 2A are spaced apart along the second direction Y, they are equivalent to being spaced apart along the width direction of the vehicle frame 60. This allows the gap between the two first brackets 2A to avoid the beam 20 of the vehicle frame 60, so that the batteries 30 can be distributed on both sides of the width of the beam 20. This gives the battery mounting bracket 10 a double-sided mounting space configuration, making full use of the bottom space of the vehicle 1000 and increasing the number of batteries 30 that can be mounted. In the embodiments of this application, the length direction of the vehicle frame 60, the length direction of the vehicle 1000, and the length direction of the beam 20 are all the same, as are the width direction of the vehicle frame 60, the width direction of the vehicle 1000, and the width direction of the beam 20.

[0135] In some embodiments, such as Figure 3 and Figure 4 As shown, the extensions 2 in the two first frames 2A are arranged in a one-to-one correspondence along the second direction Y, and the two extensions 2 are arranged in the same length extension direction, and the orthographic projections of the two extensions 2 along the length extension direction of the extensions 2 coincide.

[0136] Therefore, the battery mounting spaces 4 defined on the two first frames 2A along the second direction Y are of the same size and corresponding in position. Thus, when a large, 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 it in the second direction Y. This allows the two battery mounting spaces 4 corresponding to it in the second direction Y to be used together to install a large battery 30, which helps to improve the energy density of the installed battery 30. Furthermore, when the extension 2 has a battery mounting structure 3, the two extensions 2 corresponding to the positions along the second direction Y can respectively bear the load on both sides of the large battery 30, thereby improving the force balance and mounting stability of the battery 30.

[0137] In some embodiments, such as Figure 3 and Figure 4 As shown, the first direction X is perpendicular to the second direction Y, the length extension direction of the extension 2 is the second direction Y, and the battery mounting spaces 4 on the two first frames 2A are symmetrically arranged.

[0138] Therefore, by setting the battery mounting bracket 10 to include two first brackets 2A, and each first bracket 2A including multiple battery mounting spaces 4 arranged sequentially along the first direction X, each first bracket 2A has the function of mounting multiple batteries 30 in the first direction X. Furthermore, the two first brackets 2A are spaced apart along the second direction Y, which can fully utilize the space in the second direction Y to increase the number of batteries 30 that the battery mounting bracket 10 can mount, thus improving the driving range of the vehicle 1000 on a single battery swap. The battery mounting spaces 4 on the two first brackets 2A are symmetrically arranged, so that the two ends of symmetrical and larger batteries 30 can be mounted in the two symmetrically arranged battery mounting spaces 4, meeting the mounting requirements of large-size batteries 30. In addition, the batteries 30 installed in the symmetrical battery mounting spaces 4, or the local distribution of batteries 30, are more evenly distributed, allowing for a more uniform force application to the battery mounting bracket 10, which helps improve the structural stability of the battery mounting bracket 10.

[0139] When the battery mounting bracket 10 is installed on the vehicle frame 60, the first direction X can be set as the length direction of the vehicle frame 60 and the second direction Y can be set as the width direction of the vehicle frame 60. Since the two first brackets 2A are spaced apart along the second direction Y, the gap between the two first brackets 2A can be used to avoid the vehicle beam 20, so that the batteries 30 can be distributed on both sides of the vehicle beam 20, and multiple batteries 30 arranged along the length direction of the vehicle frame 60 can be mounted on each side of the vehicle beam 20, so that the battery mounting bracket 10 has double-sided multi-mounting space.

[0140] In some embodiments, such as Figure 3 and Figure 4 As shown, the battery mounting bracket 10 also includes a second bracket 1, which connects two first brackets 2A spaced apart along the second direction Y. The second bracket 1 includes a beam clearance groove 13, which has an opening extending along the first direction X. For example, the first direction X can be set to be consistent with the length direction of the beam 20.

[0141] Therefore, by setting up a second frame 1, the two first frames 2A can be connected into a whole structure. For example, when the second frame 1 is fixed to the vehicle frame 60, the battery mounting bracket 10 can be fixed, so that each first frame 2A can reach the use position, thereby reducing the assembly difficulty of the battery mounting bracket 10. At the same time, the beam avoidance groove 13 of the second frame 1 has an opening that runs through the first direction X, so that a part of the beam 20 can extend into the beam avoidance groove 13. Thus, the beam avoidance groove 13 can avoid the beam 20, avoid interference between the battery mounting bracket 10 and the beam 20, and improve the tightness of the fit between the battery mounting bracket 10 and the beam 20. This is beneficial for using the space near the beam 20 to set up the battery 30, thereby increasing the size and size energy density of the battery 30.

[0142] Furthermore, the top of the beam clearance groove 13 can be open, allowing the main body 1 to be pushed upwards from bottom to top, enabling the beam 20 to enter the beam clearance groove 13. This reduces the difficulty of assembling the battery mounting bracket 10 onto the vehicle frame 60, and the battery mounting bracket 10 can be subsequently installed on the already assembled vehicle frame 60, making the battery mounting bracket 10 suitable for various vehicle models. This application is not limited to this; for example, in other embodiments of this application, the beam clearance groove 13 can be configured with an open bottom. In this case, the battery mounting bracket 10 can be assembled simultaneously with the vehicle frame 60 during the assembly process.

[0143] In some embodiments, such as Figure 4 As shown, the second frame 1 includes a first main body wall 11. There are multiple first main body walls 11 and they are spaced apart along the first direction X to form a battery clearance opening 14 between two adjacent first main body walls 11. The battery clearance opening 14 and the battery mounting space 4 are arranged opposite to each other along the second direction Y.

[0144] Therefore, by providing the battery clearance opening 14, when a larger battery 30 is installed in the battery mounting space 4, the battery 30 can be cleared through the battery clearance opening 14 to avoid interference between the battery 30 and the second frame 1. For example, when a large and regularly shaped battery 30 is installed in the battery mounting bracket 10, the part of the battery 30 corresponding to the first frame 2A can extend into the battery mounting space 4, and the part of the battery 30 corresponding to the second frame 1 can extend into the battery clearance opening 14. This facilitates the installation of a larger battery 30 and helps to improve the energy density of the installed battery 30.

[0145] In some embodiments, such as Figure 4 and Figure 5 As shown, the second frame 1 also includes a second main body wall 12, which extends along the first direction X. There are two second main body walls 12, which are connected at intervals along the second direction Y to both sides of each first main body wall 11, so that the vehicle beam clearance groove 13 is limited between the first main body wall 11 and the two second main body walls 12. The first frame 2A is provided on the side of the second main body wall 12 away from the first main body wall 11 in the second direction Y, and each extension 2 is connected to the second main body wall 12.

[0146] Therefore, by setting the second main wall 12, multiple first main walls 11 and second main walls 12 can be connected into an integral structure, which makes it easier to reduce the difficulty of setting the second frame 1 and helps to define the extension direction of the vehicle beam avoidance groove 13, so that it extends along the first direction X. The first frame 2A is set on the side of the second main wall 12 away from the first main wall 11 in the second direction Y, and each extension 2 is connected to the side of the second main wall 12 away from the first main wall 11 in the second direction Y, so as to avoid interference between the extension 2 and the vehicle beam 20, and facilitates the expansion of the battery mounting space 4 in the second direction Y, which is conducive to improving the size and size energy density of the battery 30.

[0147] In some embodiments, such as Figure 4 and Figure 5 As shown, the height of the extension 2 decreases along the direction away from the second main body wall 12. It is worth noting that "decreasing trend" can mean a gradual decrease or a step-like decrease. 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.

[0148] Therefore, by setting the height of the extension 2 to decrease in the direction away from the second main body wall 12 in the second direction Y, the height of the area of ​​the extension 2 away from the second main body wall 12 is smaller.

[0149] In other words, the height of the end of the extension 2 connected to the second main body wall 12 is relatively large, while the height of the end of the extension 2 away from the second main body wall 12 is relatively small. This can enhance the connection strength between the extension 2 and the second main body wall 12, 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.

[0150] In some embodiments, such as Figure 4 and Figure 5 As shown, the lower edge of the extension 2 extends along a horizontal line, the battery mounting structure 3 is located at the lower edge of the extension 2, and the upper edge of the extension 2 decreases in a direction away from the second main body wall 12. It is worth noting that "decreasing in a direction" can mean a gradual decrease or a step-like decrease.

[0151] Therefore, by setting the lower edge of the extension 2 to extend along the horizontal line, it is beneficial that all battery mounting structures 3 are at the same horizontal height, thereby facilitating the mounting operation of the battery 30.

[0152] For example, when a tool is extended upwards to the position of the battery mounting structure 3 to connect the battery mounting structure 3 to the battery 30, the tool is raised below the extension 2, thus reducing the tool's lifting height. Furthermore, the tool does not need to extend between the battery 30 and the extension 2, eliminating the need to increase the gap between them to accommodate the tool's insertion, reducing wasted space. This allows for further increases in the size of the battery 30, thereby improving its size energy density. This also simplifies the mounting difficulty of the battery 30.

[0153] Meanwhile, the upper edge of the extension 2 tends to decrease in the direction away from the second main body wall 12, so that the height of the end of the extension 2 connected to the second main body wall 12 is relatively large, while the height of the end of the extension 2 away from the second main body wall 12 is relatively small. This can enhance the connection strength between the extension 2 and the second main body wall 12, improve the mounting reliability of the extension 2 for the battery 30, and reduce the weight of the extension 2, thereby reducing the load on the vehicle 1000.

[0154] For example, combined Figure 4 and Figure 5 The lower edge of the extension 2 is provided with a mounting edge 21. When the battery mounting structure 3 is located at the lower edge of the extension 2, it can be mounted on the mounting edge 21. In this case, the mounting edge 21 can be set to extend horizontally. This makes it easier for all battery mounting structures 3 to be located at the same horizontal height, thus facilitating the mounting operation of the battery 30.

[0155] In some embodiments, such as Figure 4 and Figure 5 As shown, at least one of the first frame 2A and the second frame 1 is provided with a beam connection structure 15.

[0156] "At least one of the first frame 2A and the second frame 1 is provided with a beam connection structure 15" includes the following: the beam connection structure 15 can be provided on the first frame 2A, or the beam connection structure 15 can be provided on the second frame 1, or the beam connection structure 15 can be provided on both the first frame 2A and the second frame 1. The specific structure of the beam connection structure 15 is not limited; for example, it can be a threaded hole, a connecting hole, or a snap-fit ​​structure, etc.

[0157] In this way, since the second frame 1 cooperates with the vehicle beam 20 through the vehicle beam clearance groove 13, both the second frame 1 and the first frame 2A can have a part close to the vehicle beam 20. Thus, by setting the vehicle beam connection structure 15 to connect to the vehicle beam 20, it is easy to install the battery mounting bracket 10 to the vehicle frame 60.

[0158] In some embodiments, the side of the extension 2 facing the battery mounting space 4 is provided with at least one of a heat insulation structure, a heat dissipation structure, and a buffer structure.

[0159] In the above technical solution, by setting up heat-insulating structural components, the battery 30 is provided with heat insulation, thereby improving the heat transfer between two adjacent batteries 30. These heat-insulating structural components include, but are not limited to, heat-insulating cotton, heat-insulating film, or other heat-insulating structures, and are not limited thereto.

[0160] By incorporating heat dissipation components, the battery 30 can be cooled, thereby mitigating overheating and reducing the risk of thermal runaway. These heat dissipation components include, but are not limited to, radiators, coolers, fans, or other cooling structures.

[0161] By incorporating a buffer structure, the battery 30 is cushioned, thereby improving the rigid contact between the battery 30 and the buffer portion, protecting the battery 30, and extending its service life. The buffer structure may include, but is not limited to, sponges, rubber components, elastic components, or other cushioning structures; no specific limitations are specified herein.

[0162] In some embodiments, such as Figure 4 and Figure 5 As shown, the battery mounting structure 3 is located on the extension 2.

[0163] In the above technical solution, by setting the battery mounting structure 3 on the extension 2, the battery mounting structure 3 only occupies space in the first direction X, thereby avoiding the space occupation of the battery mounting structure 3 in other directions, such as avoiding the space occupation of the battery mounting structure 3 in the width and height directions of the vehicle 1000. This is beneficial to increase the size of the battery 30 in these relatively limited directions (such as the width and height directions of the vehicle 1000), and improve the size energy density of the battery 30. Moreover, the space on the extension 2 is relatively large, which is conducive to flexibly setting the distribution position, number and structural form of the battery mounting structure 3 on the extension 2, so as to improve the mounting strength of the large-size battery 30.

[0164] In some embodiments, such as Figure 4 and Figure 5 As shown, a battery mounting structure 3 is arranged on the side of the extension 2 facing the battery mounting space 4.

[0165] Therefore, by arranging the battery mounting structure 3 on the side of the extension 2 facing the battery mounting space 4, the battery 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 battery 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 battery mounting structure 3 facing that space, thus facilitating the mounting of the battery 30. Furthermore, when there are multiple battery mounting spaces 4, the battery mounting structures 3 corresponding to different battery mounting spaces 4 are positioned differently and do not interfere with each other. This allows each battery mounting structure 3 corresponding to a battery mounting space 4 to have sufficient space for flexible arrangement, making it easier and more reliable to mount the battery 30.

[0166] In some embodiments, such as Figure 4 and Figure 5 As shown, at least one of the extensions 2 located in the middle is a common extension 2a. The common extension 2a has battery mounting spaces 4 on both sides in the first direction X, and battery mounting structures 3 are arranged on both sides of the battery mounting spaces 4 facing both sides of the common extension 2a.

[0167] It is worth noting that "at least one of the middle extensions 2 among the plurality of extensions 2 is a common extension 2a" means that at least one of the remaining extensions 2, excluding the two extensions on either side, among the plurality of extensions 2 arranged at intervals along the first direction X, is a common extension 2a. For example, when four extensions 2 are arranged at intervals along the first direction X, at least one of the two middle extensions 2 is a common extension 2a. The two battery mounting spaces 4 arranged adjacent to each other along the first direction X are separated by the common extension 2a.

[0168] Therefore, when the number of battery mounting spaces 4 spaced apart along the first direction X is fixed, the number of extensions 2 spaced apart along the first direction X can be reduced, thereby reducing costs and the load on the vehicle 1000. For example, in the minimum case, the number of extensions 2 spaced apart along the first direction X can be one more than the number of battery mounting spaces 4, that is, only one extension 2 is provided between two adjacent battery mounting spaces 4 along the first direction X, thereby reducing costs and the load on the vehicle 1000.

[0169] 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 only correspond to one side of the battery mounting space 4 to arrange the battery mounting structure 3, thereby reducing the load-bearing force of each extension 2 on the battery 30 and improving the mounting reliability of the battery 30.

[0170] 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.

[0171] 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.

[0172] Meanwhile, by arranging battery mounting structures 3 on both sides of the battery mounting spaces 4 facing both sides of the common extension 2a, the battery 30 can be mounted in both battery mounting spaces 4 on both sides of the common extension 2a, and the battery mounting structures 3 on both sides of the common extension 2a are integrated on the common extension 2a, which helps to reduce the difficulty of setting the battery mounting structures 3.

[0173] In some embodiments, the battery mounting structures 3 on both sides of the common extension 2a in the first direction X are misaligned in their orthographic projections onto a projection plane perpendicular to the first direction X. For example, the distance from any battery mounting structure 3 on one side of the common extension 2a to the second frame 1 in the second direction Y is different from the distance from any battery mounting structure 3 on the other side of the common extension 2a to the second frame 1 in the second direction Y.

[0174] Therefore, by setting the orthographic projection misalignment of the battery 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 battery mounting structures 3 on both sides of the common extension 2a, stress concentration can be reduced, which can lead to deformation, breakage and other problems in the common extension 2a, thereby improving the service life of the common extension 2a and enhancing the mounting reliability of the batteries 30.

[0175] In some embodiments, please refer to Figure 4 and Figure 5 The extension 2 includes a mounting edge 21 protruding into the battery mounting space 4, and the battery mounting structure 3 is located on the mounting edge 21.

[0176] Therefore, by setting the mounting edge 21, the difficulty of setting the battery mounting structure 3 is reduced, and the battery mounting structure 3 can be easily located on the side of the extension 2 facing the battery mounting space 4. Moreover, the mounting edge 21 can provide a certain direct or indirect support for the battery 30, thereby enhancing the mounting stability of the battery 30.

[0177] In some embodiments, such as Figure 4 and Figure 5 As shown, battery mounting structures 3 are provided on the extensions 2 on both sides of the battery mounting space 4 in the first direction X.

[0178] Therefore, the two sides of the battery 30 mounted in the battery mounting space 4 can be connected to the battery mounting structures 3 of the extensions 2 on both sides of the battery mounting space 4 in the first direction X, so that the extensions 2 on both sides of the battery mounting space 4 in the first direction X can both play the role of supporting the battery 30 in the battery mounting space 4. The battery mounting structures 3 on both sides can distribute the force to reduce stress concentration and thus reduce problems such as deformation and breakage of the extensions 2, improve the service life of the extensions 2, and thus improve the mounting reliability of the battery 30.

[0179] In some embodiments, the battery mounting structures 3 on both sides of the battery mounting space 4 in the first direction X are misaligned in their orthographic projections onto a projection plane perpendicular to the first direction X. For example, the distance from any battery mounting structure 3 on one side of the battery mounting space 4 to the second frame 1 in the second direction Y is different from the distance from any battery mounting structure 3 on the other side of the battery mounting space 4 to the second frame 1 in the second direction Y.

[0180] Therefore, by setting the battery 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 battery mounting structures 3, and further improve the problem of deformation and breakage of the extension 2 caused by stress concentration.

[0181] Furthermore, when the battery 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 battery 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 with the same structure, which helps to simplify the structure, facilitate processing, reduce costs, and improve assembly efficiency.

[0182] In some embodiments, the extension 2 has a plurality of battery mounting structures 3 on the side facing the battery mounting space 4, and at least two battery mounting structures 3 are provided along the length direction of the extension 2 (e.g., Figure 4 The second direction (Y) is shown in the diagram. This allows for full utilization of the space along the length of the extension 2, enabling the arrangement of a greater number of battery mounting structures 3, thereby enhancing the mounting stability of the batteries 30, or increasing the number of batteries 30 mounted within the battery mounting space 4.

[0183] In some embodiments, the extension 2 is plate-shaped with its thickness direction being the first direction X, its length direction being the second direction Y, and its width direction being the height direction Z.

[0184] Therefore, by setting the extension 2 as a plate and defining the first direction X and the second direction Y as described above, the battery mounting space 4 can be located on one or both sides in the thickness direction of the extension 2. This allows full use of the length structure characteristics of the extension 2 to define the battery mounting space 4, resulting in a smaller space occupied by the extension 2 and a larger defined battery mounting space 4.

[0185] In addition, the battery mounting bracket 10 defines a plurality of battery mounting spaces 4 in the thickness direction of the extension 2. The distance between two adjacent battery mounting spaces 4 in the thickness direction of the extension 2 is the thickness of the extension 2, which makes the gap between two adjacent battery mounting spaces 4 smaller. This allows more battery mounting spaces 4 to be provided in the thickness direction of the extension 2, which is beneficial to further improve space utilization.

[0186] For example, when the thickness direction of the extension 2 is the same as the length direction of the vehicle 1000, and the length direction of the extension 2 is the same as the width direction of the vehicle 1000, the mounting space of the battery 30 can be expanded in both the length and width directions of the vehicle 1000, thereby increasing the driving range of the vehicle 1000 on a single battery swap.

[0187] In some embodiments, please refer to Figure 5 The extension 2 is provided with reinforcing ribs 22 and / or weight-reducing structures 23.

[0188] Therefore, by setting the reinforcing rib 22, the structural strength of the extension 2 is enhanced, the stress deformation problem of the extension 2 is improved, and the mounting reliability of the extension 2 for the battery 30 is improved.

[0189] The reinforcing rib 22 may include, but is not limited to, strip-shaped reinforcing protrusions or locally thickened extensions 2, and the structural form of the reinforcing rib 22 is not limited, for example, it may be straight, curved, or intersecting, etc. No limitation is made here.

[0190] For example, when a battery 30 is mounted on the battery mounting structure 3 of the extension 2, the position of the battery mounting structure 3 of the extension 2 is subjected to concentrated force, which is prone to deformation and damage. Therefore, at least some of the reinforcing ribs 22 can be arranged corresponding to the battery mounting structure 3, thereby improving the structural strength of the extension 2 and improving the mounting reliability of the battery 30 of the extension 2 while reducing the number of reinforcing ribs 22.

[0191] For example, when the extension 2 is provided with multiple battery mounting structures 3, at least some of the reinforcing ribs 22 are arranged between adjacent battery mounting structures 3. When a battery 30 is mounted on the battery mounting structure 3 on the extension 2, the position of the battery mounting structure 3 of the extension 2 is subject to stress concentration, making it prone to deformation and damage. When at least some of the reinforcing ribs 22 are arranged between adjacent battery mounting structures 3, the structural strength of the extension 2 between adjacent battery mounting structures 3 can be enhanced, the problem of stress concentration and fracture between adjacent battery mounting structures 3 can be improved, and the mounting reliability of the extension 2 for the battery 30 can be improved.

[0192] By setting up the weight reduction structure 23, the weight of the extension 2 can be reduced, thus facilitating the lightweight design of the extension 2. The "weight reduction structure 23" may include, but is not limited to, weight reduction holes, weight reduction grooves, or thinning treatments, etc., and is not limited here.

[0193] In addition, when the extension 2 is provided with both reinforcing ribs 22 and weight-reducing structures 23, the weight of the extension 2 increases because the reinforcing ribs 22 are provided. The weight can be reduced by providing weight-reducing structures 23. In this way, the reliability and lightweight of the extension 2 can be balanced.

[0194] In some embodiments, please refer to Figure 4 The first 2A also includes a reinforcement section 5, which connects to at least two extension sections 2.

[0195] 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 mounting reliability of the battery 30.

[0196] For example, the reinforcing part 5 and the second frame 1 are respectively placed on both sides of the extension part 2 in the second direction Y.

[0197] This allows the two extensions 2 defining the battery mounting space 4 to be connected at their ends in the second direction Y via the second frame 1 and the reinforcing part 5, respectively. This creates a ring-shaped structure around the battery mounting space 4, resulting in higher structural strength, greater reliability in mounting the battery 30, more comprehensive protection of the battery 30 from the periphery, and flexible placement of the battery mounting structure 3.

[0198] Secondly, please refer to Figure 3 and Figure 4 This application provides a vehicle frame assembly 100, which includes a vehicle frame 60 and a battery mounting bracket 10 as described in any of the above embodiments. The battery mounting bracket 10 is used to mount a battery 30 to the vehicle frame 60, and the first direction X is the length direction of the vehicle frame 60.

[0199] The battery mounting bracket 10 is then installed onto the vehicle frame 60, and the battery 30 is connected to the battery mounting structure 3 to assemble the battery 30 onto the battery mounting bracket 10, so that the battery mounting bracket 10 can be used to install the battery 30 onto the vehicle frame 60.

[0200] Therefore, when the battery 30 is installed in the vehicle using such a battery mounting bracket 10, since the battery mounting bracket 10 includes multiple battery mounting spaces 4 arranged along the length of the frame 60, the battery mounting bracket 10 can make full use of the space in the length of the frame 60 to install more batteries 30. Moreover, when swapping batteries, only the batteries 30 with depleted power can be replaced, while the batteries 30 with undepleted power can be retained, thereby improving the energy utilization rate of the batteries 30 and improving the problem of energy waste.

[0201] In some embodiments, the battery mounting bracket 10 is disposed at the bottom of the frame 60, the frame 60 includes a beam 20, and at least one side of the beam 20 in the width direction is provided with a first bracket 2A. At least a portion of the first bracket 2A is higher than the bottom surface of the beam 20 in the height direction Z of the frame 60, so that at least a portion of the battery mounting space 4 is higher than the bottom surface of the beam 20.

[0202] In the embodiments of this application, the length direction of the frame 60, 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 frame 60, the width direction of the vehicle 1000, and the width direction of the beam 20. The beam 20 refers to the intermediate beam located at the bottom of the vehicle 1000 and extending along the length direction of the vehicle 1000, also known as the underbody beam. It is worth noting that the specific configuration of the beam 20 according to the embodiments of this application is not limited; for example, it can be combined with... Figure 3 and Figure 4 This may include the length direction of the vehicle 1000 (e.g. Figure 4 The two longitudinal beams 201 extending in the first direction (X) shown in the figure and along the width direction of the vehicle 1000 (e.g.) Figure 4 At least one crossbeam 202 extending in the second direction (Y) shown, and two longitudinal beams 201 are spaced apart along the width direction of the vehicle 1000, with the crossbeam 202 connecting the two longitudinal beams 201.

[0203] As a result, the battery mounting space 4 is not completely lower than the vehicle beam 20, but is at least partially higher than the bottom surface of the vehicle beam 20 and located on at least one side of the width direction of the vehicle beam 20. This allows full use of the bottom space of the frame 60 to arrange the extension 2 and the battery mounting space 4, which is conducive to mounting the larger battery 30 on the battery mounting bracket 10, thereby increasing the driving range of the vehicle 1000 times per battery swap.

[0204] In some embodiments, the first frame 2A is symmetrically arranged on both sides of the vehicle beam 20 in the width direction. That is, the first frame 2A is provided on both sides of the vehicle beam 20 in the width direction, and the first frames 2A on both sides of the vehicle beam 20 in the width direction are symmetrically arranged, which can simplify the structure of the battery mounting bracket 10, facilitate processing, and make full use of the space under the vehicle to mount more or larger batteries 30.

[0205] Thirdly, this application provides a vehicle 1000, which includes a battery 30 and a frame assembly 100 as described in any of the above embodiments, wherein at least a portion of the battery 30 is accommodated in a battery mounting space 4.

[0206] Therefore, at least a portion of the battery 30 is housed within the battery mounting space 4, enabling the battery 30 to be mounted on the vehicle 1000. This increases the ground clearance of the battery 30, thereby increasing the ground clearance of the vehicle 1000, and facilitates full utilization of the battery mounting space 4, reducing the installation space occupied by the battery 30. Furthermore, it allows for an increase in the number of batteries 30 that can be mounted, enabling the selection of swappable batteries 30 as needed, thus reducing energy waste.

[0207] For example, the bottom of the battery mounting space 4 is open, allowing the battery 30 to be inserted into the battery mounting space 4 from bottom to top, thereby facilitating the installation of the battery 30. Furthermore, the battery mounting space 4 can also be configured to be open at both the bottom and the top, thereby improving the space utilization of the battery 30 in the height direction, thereby increasing the height dimension and size energy density of the battery 30.

[0208] In some embodiments, the battery 30 is removably mounted in any battery mounting space 4.

[0209] Therefore, the battery 30 can be installed in any of the battery mounting spaces 4, which increases the versatility of the battery mounting space 4, thereby reducing the difficulty of mounting the battery 30 and improving the flexibility of choosing the location for battery swapping installation.

[0210] This application is not limited to this. For example, in other embodiments, the battery 30 may be configured as a battery mounting space 4 of a detachable size.

[0211] In some embodiments, such as Figure 3 and Figure 6 As shown, the vehicle 1000 includes a plurality of batteries 30 arranged along a first direction X, and the plurality of batteries 30 are respectively installed in a plurality of battery mounting spaces 4.

[0212] Therefore, multiple batteries 30 are installed one-to-one in multiple battery mounting spaces 4, so that multiple batteries 30 arranged along the first direction X can be mounted by the first frame 2A, that is, multiple pack mounting can be realized, thereby making full use of the space in the length direction of the vehicle 1000 to increase the number of batteries 30, so as to improve the driving range of the vehicle 1000 on a single battery swap.

[0213] In some embodiments, such as Figure 7 and Figure 8 As shown, the battery 30 includes an upper battery part 30a and a lower battery part 30b. The upper battery part 30a is accommodated in the battery mounting space 4. The battery 30 is provided with a mounting structure 30c between the upper battery part 30a and the lower battery part 30b. The mounting structure 30c is detachably connected to the battery mounting structure 3.

[0214] Therefore, when the battery 30 is mounted on the battery mounting bracket 10, the upper part 30a of the battery can extend into the battery mounting space 4. The extension 2 can provide some protection for the upper part 30a of the battery, reducing the risk of damage to the battery 30 and extending its service life. At the same time, the height of the extension 2 can be less than the height of the battery 30, which reduces the height of the extension 2 and thus reduces the weight and cost of the battery mounting bracket 10. Moreover, positioning the mounting structure 30c between the upper part 30a and the lower part 30b of the battery makes it possible for the battery mounting structure 3 to be located at the lower edge of the extension 2, which, as mentioned above, facilitates the battery swapping operation. Furthermore, the mounting structure 30c is detachably connected to the battery mounting structure 3, which reduces the difficulty of replacing the battery 30 and improves the battery swapping efficiency.

[0215] The connection methods between the mounting structure 30c and the battery mounting structure 3 include, but are not limited to: bolt connection, snap-fit ​​connection, plug-in connection, or magnetic attraction.

[0216] In some embodiments, please refer to Figure 7 and Figure 8 In the first direction X, the size of the upper part 30a of the battery is smaller than the size of the lower part 30b of the battery, so as to form a stepped surface 30d between the upper part 30a and the lower part 30b of the battery. The bottom of the battery mounting space 4 is open so that the upper part 30a of the battery can extend into the battery mounting space 4 from bottom to top. The stepped surface 30d stops at the bottom of the extension 2, so that at least a portion of the upper part 30a of the battery extends into the battery mounting space 4, and the lower part 30b of the battery is located outside the battery mounting space 4.

[0217] It is worth noting that the stop of the stepped surface 30d at the bottom of the extension 2 can be interpreted broadly, meaning that the step surface 30d and the extension 2 can achieve the stop function through direct contact or indirect contact. For example, a battery mounting structure 3 can be provided at the lower part of the extension 2, and a mounting structure 30c can be provided on the stepped surface 30d. When the mounting structure 30c and the battery mounting structure 3 are connected, the step surface 30d stops at the bottom of the extension 2.

[0218] Therefore, during the actual installation of the battery 30, when the upper part 30a of the battery is inserted into the battery mounting space 4 from bottom to top, the bottom of the extension 2 and the stop of the stepped surface 30d can be used to guide the battery 30 to be properly installed, thus preventing the battery 30 from extending excessively into the battery mounting space 4 and causing it to be squeezed and impacted against the bottom of the vehicle, thereby protecting the battery 30. Furthermore, setting the size of the lower part 30b of the battery to be larger than the size of the upper part 30a can further increase the size of the battery 30 to a certain extent, thereby further improving the size energy density of the battery 30.

[0219] In some embodiments, please refer to Figure 9 and Figure 10 The battery 30 includes two battery side portions 30e and a battery central portion 30f. In the width direction of the frame 60, the two battery side portions 30e are located on both sides of the battery central portion 30f. The top surface of the battery central portion 30f is lower than the top surface of the battery side portions 30e, so that a clearance groove 30g is formed between the two battery side portions 30e and the battery central portion 30f, which runs through the length direction of the frame 60 and has an open top to avoid the vehicle beam 20. At least one of the battery side portions 30e and the battery central portion 30f is detachably connected to the battery mounting structure 3.

[0220] "At least one of the battery side portion 30e and the battery central portion 30f is detachably connected to the battery mounting structure 3" includes: the battery side portion 30e is detachably connected to the battery mounting structure 3, or the battery central portion 30f is detachably connected to the battery mounting structure 3, or the battery side portion 30e and the battery central portion 30f are respectively detachably connected to the corresponding battery mounting structure 3.

[0221] The battery side 30e can be detachably connected to the battery mounting structure 3 via a mounting structure 30c on the battery side 30e. The position of the mounting structure 30c on the battery side 30e is not limited; for example, it can be located in the middle, upper or lower part of the battery side 30e.

[0222] The battery central portion 30f can be detachably connected to the battery mounting structure 3 via a mounting structure 30c on the battery central portion 30f. The position of the mounting structure 30c on the battery central portion 30f is not limited; for example, it can be located in the middle, upper or lower part of the battery central portion 30f.

[0223] The connection methods between the battery side 30e and / or the battery central part 30f and the battery mounting structure 30c include, but are not limited to: bolt connection, snap-fit, plug-in, or magnetic attraction.

[0224] Therefore, the battery 30 has a clever structure that avoids the vehicle beam 20 to fully utilize the space on both sides of the beam 20, thereby increasing the overall size of the battery 30 and improving its dimensional energy density. At the same time, at least one of the battery side portion 30e and the battery central portion 30f is detachably connected to the battery mounting structure 3, which enhances the design flexibility of the battery 30. Specifically, when both battery side portions 30e are connected to the battery mounting structure 3, or when both battery side portions 30e and the battery central portion 30f are connected to the battery mounting structure 3, the installation stability of the battery 30 is improved.

[0225] For example Figure 10 As shown, at least a portion of the vehicle beam 20 is located within the clearance groove 30g and above the central portion 30f of the battery. The two battery sides 30e can be located on both sides of the width direction of the vehicle beam 20, thus making full use of the space on both sides of the width direction of the vehicle beam 20 to arrange a larger battery 30.

[0226] It is worth noting that the form of the battery 30 in this application embodiment is not limited to this. For example, it may include only one battery side portion 30e, or it may include both a battery central portion 30f and a battery side portion 30e.

[0227] 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.

[0228] 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.

[0229] In some embodiments, the operating voltage range of the battery swapping system is 400V to 750V.

[0230] 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.

[0231] In some embodiments, the dimensional tolerance of the battery swapping system is within ±10 mm.

[0232] In some embodiments, the vehicle weight M1 and battery capacity Q in the battery swapping system satisfy the following conditions: 0kg < M1 ≤ 1400kg, 100kWh ≤ Q ≤ 200kWh; or 1400kg < M1 ≤ 2800kg, 200kWh < Q ≤ 400kWh; or 2800kg < M1 ≤ 4200kg, 400kWh < Q ≤ 600kWh; or 4200kg < M1 ≤ 5600kg, 600kWh < Q ≤ 800kWh.

[0233] In some embodiments, such as Figures 11-12 As shown, the battery swapping system should be replaced on a vehicle within the corresponding envelope space. The battery dimensions in the battery swapping system are as follows: Figures 13-14 Logo.

[0234] In some embodiments, reference Figures 11-14 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.

[0235] In some embodiments, reference Figures 11-14 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.

[0236] In some embodiments, reference Figures 11-14 The dimension W of the battery swapping system along the vehicle width direction must satisfy: 2300mm≤W≤2550mm.

[0237] In some embodiments, reference Figures 11-14 The total height H of the battery swapping system must satisfy: H≤680mm.

[0238] In some embodiments, reference Figures 11-14 The length L1 of the upper boss (such as the upper part 30a of the battery) of the battery swapping system shall satisfy: 600≤L1≤700.

[0239] In some embodiments, reference Figures 11-14 The width W1 of the upper two side protrusions of the battery swapping system (such as the upper part 30a of the battery side 30e) must satisfy: W1≤805mm.

[0240] In some embodiments, reference Figures 11-14 The width W2 of the upper middle boss of the battery swapping system (such as the upper part 30a of the battery center 30f) must satisfy: W2≤640mm.

[0241] In some embodiments, reference Figures 11-14 The height dimension H1 of the upper two side bosses of the battery swapping system (such as the upper part 30a of the battery side 30e) must satisfy: H1≤300mm.

[0242] In some embodiments, reference Figures 11-14 The height dimension H2 of the upper middle boss of the battery swapping system (such as the upper part 30a of the battery center 30f) must satisfy: H2≤150mm.

[0243] Currently, the main application scenarios for heavy-duty electric trucks include 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 a 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.

[0244] 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.

[0245] 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 20-30mm gap between battery swapping systems, the approximate length envelope size for each battery swapping system is 700-820mm.

[0246] 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.

[0247] 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.

[0248] Furthermore, in order to improve the compatibility and interchangeability of battery swapping, this application also proposes some embodiments of the battery mounting bracket 10.

[0249] In some embodiments, reference Figure 15 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.

[0250] In some embodiments, reference Figure 15 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.

[0251] In some embodiments, reference Figure 15 In the width direction of the vehicle (such as the second direction Y), the minimum width between the two second main body walls 12 (such as the battery clearance opening 14) is N2, and satisfies: 660mm≤N2≤680mm.

[0252] In some embodiments, reference Figure 16In 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).

[0253] 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, The battery mounting bracket includes: a first bracket, the first bracket including a plurality of extensions spaced apart along a first direction and a plurality of battery mounting spaces arranged sequentially along the first direction, the battery mounting spaces being defined between two adjacent extensions along the first direction, the battery mounting bracket being provided with a battery mounting structure for mounting a battery in the battery mounting space, the battery mounting structure being disposed on the extension.

2. The battery mounting bracket according to claim 1, characterized in that, At least two of the battery mounting spaces on the first rack have the same length in the first direction.

3. The battery mounting bracket according to claim 1, characterized in that, At least two of the battery mounting spaces on the first rack have different lengths in the first direction.

4. The battery mounting bracket according to claim 1, characterized in that, The battery mounting bracket includes two first brackets spaced apart along a second direction, each first bracket including a plurality of battery mounting spaces arranged sequentially along the first direction, the second direction intersecting the first direction.

5. The battery mounting bracket according to claim 4, characterized in that, The extensions in the two first frames are arranged in a one-to-one correspondence along the second direction, and the two corresponding extensions have the same length extension direction and their orthographic projections along the length extension direction coincide.

6. The battery mounting bracket according to claim 5, characterized in that, The first direction is perpendicular to the second direction, the length extension direction of the extension is the second direction, and the battery mounting spaces on the two first racks are symmetrically arranged.

7. The battery mounting bracket according to claim 4, characterized in that, The battery mounting bracket also includes a second bracket, which connects two first brackets spaced apart along the second direction. The second bracket includes a beam clearance groove with an opening extending through the first direction.

8. The battery mounting bracket according to claim 7, characterized in that, The second frame includes a first main body wall, which is a plurality of the first main body walls and is spaced apart along the first direction to form a battery clearance opening between two adjacent first main body walls. The battery clearance opening is disposed opposite to the battery mounting space along the second direction.

9. The battery mounting bracket according to claim 8, characterized in that, The second frame also includes a second main body wall extending along the first direction. There are two second main body walls, which are connected at intervals along the second direction to both sides of each of the first main body walls, so that the vehicle beam clearance groove is defined between the first main body wall and the two second main body walls. The first frame is disposed on the side of the second main body wall away from the first main body wall in the second direction, and each of the extensions is connected to the second main body wall.

10. The battery mounting bracket according to claim 9, characterized in that, The height of the extension tends to decrease along the direction away from the second main body wall.

11. The battery mounting bracket according to claim 10, characterized in that, The lower edge of the extension extends along a horizontal line, the battery mounting structure is located at the lower edge of the extension, and the upper edge of the extension decreases in a direction away from the second main body wall.

12. The battery mounting bracket according to claim 7, characterized in that, At least one of the first frame and the second frame is provided with a beam connection structure.

13. The battery mounting bracket according to claim 1, characterized in that, The side of the extension facing the battery mounting space is provided with at least one of a heat insulation structure, a heat dissipation structure, and a buffer structure.

14. The battery mounting bracket according to claim 1, characterized in that, The battery mounting structure is arranged on the side of the extension facing the battery mounting space.

15. The battery mounting bracket according to claim 14, characterized in that, At least one of the extensions located in the middle of the plurality of extensions is a common extension. The common extension has battery mounting spaces on both sides of the first direction, and battery mounting structures are arranged on both sides of the battery mounting spaces of the common extension facing both sides.

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

17. The battery mounting bracket according to claim 14, characterized in that, The extension includes a mounting edge protruding into the battery mounting space, and the battery mounting structure is located on the mounting edge.

18. The battery mounting bracket according to claim 13, characterized in that, The battery mounting space is provided with battery mounting structures on the extensions on both sides of the first direction.

19. The battery mounting bracket according to claim 18, characterized in that, The battery mounting structures on both sides of the battery mounting space in the first direction are misaligned in their orthographic projections onto a projection plane perpendicular to the first direction.

20. The battery mounting bracket according to claim 13, characterized in that, The extension is provided with a plurality of battery mounting structures on the side facing the battery mounting space, and at least two battery mounting structures are spaced apart along the length direction of the extension.

21. The battery mounting bracket according to any one of claims 1-20, characterized in that, The extension is plate-shaped with its thickness in the first direction, its length in the second direction, and its width in the height direction.

22. The battery mounting bracket according to any one of claims 1-20, characterized in that, The extension is provided with reinforcing ribs and / or weight-reducing structures.

23. The battery mounting bracket according to any one of claims 1-20, characterized in that, The first frame also includes a reinforcement that connects to at least two of the extensions.

24. The battery mounting bracket according to claim 1, 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.

25. 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.

26. A vehicle frame assembly, characterized in that, The vehicle includes a frame and a battery mounting bracket as described in any one of claims 1-25, the battery mounting bracket being used to mount a battery to the frame, the first direction being the length direction of the frame.

27. The frame assembly according to claim 26, characterized in that, The battery mounting bracket is installed at the bottom of the vehicle frame, which includes a beam. The first bracket is provided on at least one side of the beam in the width direction, and at least a portion of the first bracket is higher than the bottom surface of the beam in the height direction of the vehicle frame.

28. The frame assembly according to claim 27, characterized in that, The first frame is symmetrically arranged on both sides of the beam in the width direction.

29. A vehicle, characterized in that, Includes a battery and a frame assembly as described in any one of claims 26-28, wherein at least a portion of the battery is housed in the battery mounting space.

30. The vehicle according to claim 29, characterized in that, The battery can be detachably installed in any of the battery mounting spaces.

31. The vehicle according to claim 29, characterized in that, The vehicle includes a plurality of batteries arranged along the first direction, each battery being installed in a corresponding battery mounting space.

32. The vehicle according to claim 29, characterized in that, The battery includes an upper part and a lower part. The upper part of the battery is accommodated in the battery mounting space. The battery has a mounting structure located between the upper part and the lower part of the battery. The mounting structure is detachably connected to the battery mounting structure.

33. The vehicle according to claim 32, characterized in that, In the first direction, the upper part of the battery is smaller than the lower part of the battery to form a stepped surface between the upper and lower parts of the battery, the bottom of the battery mounting space is open, and the stepped surface stops at the bottom of the extension.

34. The vehicle according to any one of claims 29-33, characterized in that, The battery includes two battery sides and a battery center. In the width direction of the vehicle frame, 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 extends through the length direction of the vehicle frame and is open at the top to avoid the vehicle beam between the two battery sides and the battery center. At least one of the battery sides and the battery center is detachably connected to the battery mounting structure.

35. The vehicle according to claim 29, characterized in that, The battery's operating voltage range is 400V to 750V.

36. The vehicle according to claim 29, characterized in that, The weight M1 of the vehicle and the capacity Q of the battery satisfy the following relationships: 0kg < M1 ≤ 1400kg, 100kWh ≤ Q ≤ 200kWh; or 1400kg < M1 ≤ 2800kg, 200kWh < Q ≤ 400kWh; or 2800kg < M1 ≤ 4200kg, 400kWh < Q ≤ 600kWh; or 4200kg < M1 ≤ 5600kg, 600kWh < Q ≤ 800kWh.

37. The vehicle according to claim 29, characterized in that, The flatness of the contact interface between the battery and the battery mounting bracket is less than or equal to 4mm, and a safety gap L0 is reserved on the front and rear end faces of the battery, where L0 ≥ 50mm.

38. The vehicle according to claim 29, characterized in that, The dimensional tolerance of the battery is within ±10mm.

39. The vehicle according to claim 29, 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.

40. The vehicle according to claim 34, characterized in that, The length L1 of the upper part of the battery satisfies: 600≤L1≤700; 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.

41. The vehicle according to claim 29, characterized in that, The battery has a capacity of 150~200kWh; The vehicle has a power requirement of 400-600 kWh and uses three batteries; or, the vehicle has a power requirement of 300-400 kWh and uses two batteries; or, the vehicle has a power requirement of 150-200 kWh and uses one battery.

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