Battery mounting frame, vehicle frame assembly and vehicle

Abstract

A battery mounting frame, comprising: a frame body (10a), a mounting structure (3) and a docking structure (6); the frame body (10a) is adapted to be mounted to a vehicle body (101); the mounting structure (3) is integrated into the frame body (10a) and is used for mounting of a battery (30); the docking structure (6) is also integrated into the frame body (10a) and is used for connecting to the vehicle body (101) and docking the battery (30), so that the battery (30) is in circuit and / or liquid connection with the vehicle body (101). Further disclosed are a vehicle frame assembly and a vehicle.

Description

Battery mounting rack, frame assembly and vehicle

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application is based on the Chinese patent application with application number 202310799478.4 and application date June 30, 2023, and claims the priority of the above-mentioned Chinese patent application. The entire content of the above-mentioned Chinese patent application is hereby introduced into this application as a reference. Technical Field

[0003] The present application relates to the field of batteries, and in particular to a battery mounting rack, a frame assembly and a vehicle. Background Art

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

[0005] Summary of the Invention

[0006] In view of the above problems, the present application provides a battery mounting rack, a frame assembly and a vehicle, which can improve the efficiency and success rate of battery replacement.

[0007] In the first aspect, the present application provides a battery mounting rack, comprising: a rack body, a docking structure and a mounting structure, the rack body being suitable for being installed on a vehicle body, the mounting structure being integrated on the rack body and being used to mount a battery, the docking structure being also integrated on the rack body and being used to connect the vehicle body and the docking battery so that the battery and the vehicle body form a circuit and / or fluid connection.

[0008] In the technical solution of the embodiment of the present application, by integrating both the mounting structure and the docking structure on the frame body, when such a battery mounting rack is used to install the battery on the vehicle body, the mounting structure integrated on the frame body can be used to achieve the mounting installation of the battery, and the docking structure integrated on the frame body can be used to achieve the circuit and / or fluid communication between the battery and the vehicle body, thereby eliminating the need to connect wires and pipes, simplifying the cumbersome battery replacement operation, and improving the battery replacement efficiency. Moreover, because both the mounting structure and the docking structure are integrated on the frame body, the reference datum of the battery mounting connection position and the water and electricity docking position are consistent, that is, the reference datum is the frame body, thereby improving the success rate of battery replacement.

[0009] In some embodiments, the frame body includes: a main body and an extension part, the main body is suitable for being installed on the vehicle body, the docking structure is provided on the main body, one end of the extension part is connected to the main body, and the other end extends in a direction away from the main body, and the mounting structure is provided on the extension part.

[0010] In the above technical solution, since the frame body includes a main body and an extension part, and one end of the extension part is connected to the main body and the other end extends in a direction away from the main body, the docking structure and the mounting structure are respectively arranged on the main body and the extension part, that is, the docking structure and the mounting structure are respectively arranged at different positions of the frame body to avoid mutual interference between the mounting structure and the docking structure, which is conducive to reducing the difficulty of matching the docking structure and the mounting structure with the battery 30.

[0011] In some embodiments, the main body includes a beam avoidance groove, the beam avoidance groove has an opening extending through along a first direction, and the docking structure is located in the beam avoidance groove.

[0012] In the above technical solution, a beam avoidance groove is provided on the main body so that when the main body is connected to the vehicle body, at least part of the beam can extend into the beam avoidance groove, so that the connection between the main body and the vehicle body is more compact. Moreover, by providing the docking structure in the beam avoidance groove, on the one hand, the space in the beam avoidance groove can be fully utilized to improve space utilization, and it is convenient to reduce the space occupied by the docking structure at other positions of the battery mounting frame. On the other hand, the docking structure can obtain the protection of the inner wall of the beam avoidance groove, so as to reduce the probability of the docking structure being damaged by collision, and improve the problem of the docking structure being corroded and failed by mud and water.

[0013] In some embodiments, the main body includes a plurality of first main body walls spaced apart along a first direction, with an avoidance opening formed between two adjacent first main body walls, and the docking interface of the docking structure is higher than the first main body wall and is arranged corresponding to the avoidance opening.

[0014] In the above technical solution, because the docking interface of the docking structure is higher than the first main body wall, the docking interface of the docking structure is higher off the ground, providing better protection. Furthermore, the height setting of the docking interface of the docking structure helps save space, thereby increasing the height dimension of the battery, improving the compactness of the fit between the battery mounting rack and the battery, fully utilizing space, and increasing the size and dimensional energy density of the battery. Furthermore, by providing an escape opening, when the battery is mounted on the battery mounting rack, a portion of the battery can extend upward into the escape opening and dock with the docking interface of the docking structure, thereby meeting docking requirements.

[0015] In some embodiments, the docking structure includes a supporting frame and a docking device, the supporting frame includes a supporting portion and a supporting leg portion, the docking device is arranged on the supporting portion, and the supporting leg portion extends from both ends of the supporting portion in the first direction toward the first main body wall and is connected to the first main body wall.

[0016] In the above technical solution, by arranging the docking device on the load-bearing portion and providing support legs extending from both ends of the load-bearing portion in the first direction X toward the first main body portion and connected to the first main body wall, the load-bearing portion can be spaced apart from the first main body wall, thereby enabling the load-bearing frame to be constructed in a shape that can avoid the battery upward. This also facilitates increasing the installation height of the docking device, thereby saving space and increasing the height of the battery. Furthermore, when the first direction X is the longitudinal direction of the vehicle, arranging the two support legs on both sides of the load-bearing portion in the first direction X only occupies space in the longitudinal direction of the vehicle, where space is relatively sufficient. This can reduce the space occupied by the battery in the width direction of the vehicle, thereby facilitating an increase in the size and energy density of the battery in the width direction of the vehicle.

[0017] In some embodiments, the bearing portion has a first weight-reducing structure, and / or a first reinforcement structure is provided at the connection between the leg portion and the bearing portion.

[0018] In the above technical solution, a first weight-reducing structure is provided on the load-bearing portion to reduce the weight of the load-bearing portion, thereby reducing the weight of the docking structure, thereby achieving a lightweight design of the docking structure. And / or a first reinforcement structure is provided at the connection between the load-bearing portion and the leg portion to enhance the structural strength of the connection between the load-bearing portion and the leg portion, thereby reducing the possibility of fracture at the connection between the leg portion and the load-bearing portion.

[0019] In some embodiments, the supporting frame is an integrally formed part and is assembled and connected to the first main body wall.

[0020] In the above technical solution, the supporting frame is set as an integrally formed part to reduce the difficulty of setting up the supporting frame and to ensure the overall structural strength of the supporting frame. The supporting frame is assembled and connected to the first main body wall to reduce the difficulty of loading and unloading the supporting frame and the first main body wall, thereby improving the production efficiency of the battery mounting frame.

[0021] In some embodiments, there are a plurality of avoidance openings spaced apart along the first direction, and each avoidance opening is provided with a corresponding docking structure.

[0022] In the above technical solution, by setting up multiple avoidance openings, when multiple batteries are mounted on the battery mounting rack, the docking requirements of multiple batteries with the circuits and / or liquid circuits of the vehicle body can be respectively achieved through multiple docking structures, that is, each battery can achieve the connection requirements with the circuits and / or liquid circuits of the vehicle body through the docking of the corresponding docking structure, so that the vehicle can achieve separate connection with each battery through the corresponding docking structure, which is conducive to each battery being powered separately or being controlled separately by the vehicle body.

[0023] In some embodiments, the main body portion includes a second main body wall extending along a first direction, there are two second main body walls and they are spaced apart along a second direction intersecting the first direction, the two second main body walls are connected at both ends of each first main body wall in the second direction to form a top-open vehicle beam avoidance groove between the first main body wall and the second main body wall, and the extension portion is connected to the second main body wall and is located on the side of the second main body wall away from the first main body wall in the second direction.

[0024] In the above technical solution, by providing a second main body wall, multiple first and second main body walls can be connected to form an integral structure, thereby simplifying the arrangement and molding of the main body and facilitating the definition of the extension direction of the beam avoidance slot, allowing it to extend in the first direction. Furthermore, since the top of the beam avoidance slot is open, the main body can be pushed upward from the bottom to allow the beam to enter the beam avoidance slot, thereby simplifying the assembly of the battery mount onto the vehicle body. The battery mount can be subsequently installed on an already assembled vehicle body, making the battery mount compatible with a variety of vehicle models. Furthermore, connecting the extension portion to the side of the second main body wall in the second direction, away from the first main body wall, increases the length of the extension portion in the second direction while preventing interference between the extension portion and the beam, thereby facilitating the expansion of the battery mounting space in the second direction. This also facilitates the connection of the extension portion to the main body.

[0025] In some embodiments, a plurality of extensions arranged at intervals along a first direction are provided on one side of the main body, and a battery mounting space is defined between two adjacent extensions.

[0026] In the above technical solution, by providing a plurality of extensions spaced apart along a first direction on one side of the main body, the battery mounting space is confined between two adjacent extensions along the first direction, and the extensions can be utilized to protect the battery. When the first direction is set as the length direction of the vehicle, and the mounting structure is provided on the extensions, neither the mounting structure nor the extensions occupy the space for the battery in the width direction of the vehicle, thereby increasing the size of the battery mounting space in the width direction of the vehicle, improving the size of the battery in the width direction of the vehicle, and facilitating an improvement in the size-energy density of the battery. Moreover, when the first direction is set as the length direction of the vehicle, since the length space of the vehicle is relatively large, it is also beneficial to increase the size or number of the battery mounting space in the length direction of the vehicle, thereby further improving the size-energy density or number of the battery.

[0027] In some embodiments, one side of the main body is provided with multiple battery mounting spaces spaced apart along a first direction, there are multiple docking structures spaced apart along the first direction, and the multiple docking structures and the multiple battery mounting spaces are arranged opposite to each other along a second direction intersecting the first direction.

[0028] In the above technical solution, a plurality of battery mounting spaces are arranged at intervals along the first direction on one side of the main body, so that the battery mounting rack can have the function of mounting multiple batteries in the first direction, that is, realizing the multi-pack mounting function, which is conducive to realizing flexible battery replacement, and the docking structure is arranged relative to the battery mounting space along the second direction, and the distribution direction of the docking structure does not occupy the space of the battery mounting space in the first direction, that is, the docking structure will not occupy the space in the arrangement direction of multiple battery mounting spaces while realizing docking with the battery, which is conducive to increasing the number or size of the battery mounting spaces arranged along the first direction, improving space utilization, and enabling the battery mounting rack to mount more or larger batteries.

[0029] In some embodiments, a mounting structure is arranged on a side of the extension portion facing the battery mounting space.

[0030] In the above technical solution, by arranging the mounting structure on the side of the extension portion facing the battery mounting space, the mounting structure corresponds to the battery mounting space that it faces, and is used to mount the battery in the battery mounting space that the mounting structure faces. This makes it possible to clearly identify the corresponding relationship between the mounting structure and the battery mounting space. When the battery is inserted into the battery mounting space, it can be connected to the mounting structure facing the battery mounting space, thereby conveniently achieving battery mounting. Moreover, when there are multiple battery mounting spaces, the mounting structures corresponding to different battery mounting spaces are arranged at different positions and do not interfere with each other, so that the mounting structures corresponding to each battery mounting space can have sufficient space for flexible arrangement, so that the mounting structures can more easily and reliably mount the battery.

[0031] In some embodiments, at least one extension portion located in the middle of multiple extension portions arranged along the first direction is a common extension portion, and the common extension portion has battery mounting spaces on both sides in the first direction, and mounting structures are arranged on both sides of the battery mounting spaces facing both sides of the common extension portion.

[0032] In the above technical solution, when the number of battery mounting spaces spaced apart along the extension direction of the main body is fixed, the number of extensions spaced apart along the extension direction of the main body can be reduced, thereby reducing costs and vehicle load. Furthermore, because mounting structures are arranged on either side of the battery mounting spaces facing both sides of a common extension, batteries in two adjacent battery mounting spaces in the first direction can be mounted on the mounting structures on either side of the common extension, making battery mounting more compact and reducing the difficulty of installing the mounting structures.

[0033] In some embodiments, the mounting structures on both sides of the common extension portion are misaligned in their orthographic projections on a projection plane perpendicular to the first direction.

[0034] In the above technical solution, by setting the mounting structures on both sides of the common extension part to be staggered in the projection of the projection plane perpendicular to the first direction, the force distribution of the common extension part is made more reasonable. When the batteries in the battery mounting spaces on both sides of the common extension part are respectively connected to the mounting structures on both sides of the common extension part, stress concentration can be reduced to cause deformation, fracture and other problems in the common extension part, thereby improving the service life of the common extension part and thus improving the mounting reliability of the battery.

[0035] In some embodiments, mounting structures are provided on the extension portions on both sides of the battery mounting space in the first direction.

[0036] In the above technical solution, the extension parts on both sides of the battery mounting space in the first direction can both play the role of supporting the batteries in the battery mounting space. The mounting structures on both sides can disperse the force to reduce stress concentration and cause deformation, fracture and other problems in the extension parts, thereby increasing the service life of the common extension parts and improving the mounting reliability of the battery.

[0037] In some embodiments, the mounting structures on both sides of the battery mounting space are misaligned in their orthographic projections on a projection plane perpendicular to the first direction.

[0038] In the above technical solution, by arranging the mounting structures on both sides of the battery mounting space to be offset in their orthographic projections on the projection plane in the first direction, the mounting structures on both sides are further facilitated to disperse the stress, further alleviating stress concentration that can cause deformation and fracture of the extension. In addition, when the mounting structures on both sides of the common extension in the first direction are offset in their orthographic projections on the projection plane perpendicular to the first direction, and the mounting structures on both sides of the battery mounting space in the first direction are offset in their orthographic projections on the projection plane perpendicular to the first direction, the multiple extensions can be constructed with the same structure, thereby simplifying the structure, facilitating processing, reducing costs, and improving assembly efficiency.

[0039] In some embodiments, a plurality of mounting structures are provided on a side of the extension portion facing the battery mounting space, and at least two of the mounting structures are spaced apart along the length direction of the extension portion.

[0040] In the above technical solution, it is beneficial to fully utilize the space in the length direction of the extension part and arrange more mounting structures, thereby enhancing the mounting stability of the battery, or increasing the number of batteries mounted in the battery mounting space.

[0041] In some embodiments, the extension portion includes a mounting edge protruding toward the battery mounting space, and the mounting structure is located on the mounting edge.

[0042] In the above technical solution, by setting a mounting edge, it is helpful to reduce the difficulty of setting up the mounting structure, and it is easy to realize that the mounting structure is located on the side of the extension part facing the battery mounting space. Moreover, the mounting edge can play a certain direct or indirect supporting role on the battery to enhance the mounting stability of the battery.

[0043] In some embodiments, the mounting edge is located at a lower edge of the extension portion in a height direction.

[0044] In the above technical solution, the mounting structure is set at a lower height, which is conducive to reducing the difficulty of maintaining the mounting structure, and is beneficial to the loading connection between the mounting structure and the battery, and improves the compactness of the battery and the extension part, reduces space waste, and utilizes the saved space to further increase the size of the battery, thereby further improving the size energy density of the battery.

[0045] In some embodiments, the length direction of the mounting edge is the same as the extension direction of the extension portion; wherein, the mounting edge is provided with a plurality of mounting structures arranged at intervals along the length direction of the mounting edge, or the mounting structure on the mounting edge is configured as one and extends along the length direction of the mounting edge.

[0046] In the above technical solution, since the length direction of the mounting edge is the same as the extension direction of the extension part, it is beneficial to reduce the processing difficulty of the mounting edge, so that the mounting edge has a larger length dimension and a larger number of mounting structures are set. Multiple mounting structures are set along the length direction of the mounting edge, which is beneficial to enhance the mounting stability of the battery, or to increase the number of batteries mounted on the mounting edge.

[0047] Alternatively, by providing only one mounting structure on the mounting edge that extends along the length direction of the mounting edge, it is helpful to reduce the processing difficulty of the mounting structure, and the mounting structure extends along the length direction of the mounting edge, that is, the length direction of the mounting structure is consistent with the length direction of the mounting edge, so that the length dimension of the mounting structure is larger, with a larger force-bearing area, or with more connection positions, so as to facilitate simultaneous connection with multiple connection structures on the battery, improve the mounting reliability of the battery, or facilitate simultaneous mounting of multiple batteries.

[0048] In some embodiments, the battery mounting bracket further includes a reinforcing portion configured to connect at least two extending portions located on the same side of the main body portion.

[0049] In the above technical solution, it is beneficial to enhance the overall structural strength of the battery mounting frame, reduce the deformation caused by the force on the extension part, and improve the mounting reliability of the battery.

[0050] In some embodiments, the main body is provided with extension portions on both sides thereof in a second direction intersecting the first direction.

[0051] In the above technical solution, the space in the first direction and the second direction can be fully utilized to utilize the space on both sides of the main body in the second direction Y to mount batteries respectively. For example, the two parts of the same battery located on both sides of the main body can be mounted respectively, or the two batteries located on both sides of the main body can be mounted respectively, thereby increasing the size of the mounted battery or increasing the number of mounted batteries.

[0052] In some embodiments, the extension directions of the extension portions on both sides of the main body in the second direction are the same, and the orthographic projections of the projections of the extension portions on both sides of the main body in the second direction coincide with each other.

[0053] In the above technical solution, the first extension part and the second extension part can simultaneously mount the two parts of the same battery located on both sides of the width direction of the vehicle beam. In this way, the size of the battery can be made larger to reduce the number of batteries and reduce the complexity of battery replacement.

[0054] In some embodiments, the height of the extension portion decreases in a direction away from the main body portion.

[0055] In the above technical solution, by setting the height of the extension part to decrease in the direction away from the main body, the height of the end of the extension part connected to the main body is relatively large, and the height of the end of the extension part away from the main body is relatively small, thereby enhancing the connection strength between the extension part and the main body, improving the reliability of the extension part for mounting the battery, and reducing the weight of the extension part and reducing the load on the vehicle.

[0056] In some embodiments, the mounting structure is located at a lower edge of the extension portion, the lower edge of the extension portion extends along a horizontal line, and the upper edge of the extension portion has a decreasing trend in a direction away from the main body portion.

[0057] In the above technical solution, by arranging the mounting structure at the lower edge in the height direction of the extension part, the height of the mounting structure is lowered, which is convenient for reducing the difficulty of mounting the battery, and the lower edge of the extension part extends along the horizontal line, which is beneficial for the mounting structures to be at the same horizontal height, thereby facilitating the battery mounting operation. At the same time, the upper edge of the extension part tends to decrease in the direction away from the main body part, so that the height of the end of the extension part connected to the main body part is relatively large, and the height of the end of the extension part away from the main body part is relatively small, thereby enhancing the connection strength between the extension part and the main body part, improving the reliability of the extension part for mounting the battery, and reducing the weight of the extension part and reducing the load on the vehicle.

[0058] In some embodiments, a second weight-reducing structure and / or a second reinforcement structure is provided on the extension portion.

[0059] In the above technical solution, a second weight-reducing structure is provided to reduce the weight of the extension part and realize a lightweight design of the extension part; and / or a second reinforcing structure is provided to enhance the structural strength of the extension part and improve the problem of deformation of the extension part under stress.

[0060] In a second aspect, an embodiment of the present application provides a vehicle frame assembly, comprising: a vehicle beam, the vehicle beam comprising two longitudinal beams extending along a first direction and spaced apart along a second direction; a battery mounting rack according to any of the above embodiments, wherein the rack body is mounted to the vehicle beam, and the docking structure is located between the two longitudinal beams.

[0061] In the above technical solution, by arranging the docking structure between the two longitudinal beams of the vehicle beam, the two longitudinal beams can be used to protect the docking structure to a certain extent, thereby reducing damage to the docking structure, which is beneficial to extending the service life of the docking structure, and enabling the docking structure to fully utilize the space between the two longitudinal beams to improve space utilization, which is beneficial to increasing the size and dimensional energy density of the battery.

[0062] In some embodiments, the docking interface of the docking structure is higher than the bottom surface of the longitudinal beam and is arranged downward.

[0063] In the above technical solution, since the docking interface of the docking structure is higher than the bottom surface of the longitudinal beam, the docking interface of the docking structure is higher off the ground, which can provide better protection. In addition, the height setting of the docking interface of the docking structure is conducive to saving space, thereby increasing the height of the battery so that at least part of the battery can extend between the two longitudinal beams, improving the compactness of the battery mounting frame and the battery, making full use of the space, and increasing the size and dimensional energy density of the battery. Moreover, by setting the docking interface downward, the battery can be mounted from the bottom up while being docked with the docking structure, thereby improving the efficiency of battery replacement.

[0064] In a third aspect, an embodiment of the present application provides a vehicle, comprising a battery and a frame assembly according to any one of the above embodiments, wherein the battery is mounted on a mounting structure and docked with a docking structure.

[0065] In the above technical solution, a frame assembly is provided to realize the mounting of the battery by utilizing the mounting structure, and the battery and the vehicle body are connected to form a circuit and / or liquid path through the docking structure to meet the docking requirements of the circuit and / or liquid path of the battery and the vehicle body. By integrating the mounting structure and the docking structure on the frame body so that the positions of the two are consistent with the reference benchmark, it is beneficial to improve the battery replacement efficiency and the battery replacement success rate.

[0066] In some embodiments, the battery includes two battery side portions and a battery central portion. In the width direction of the vehicle beam, the two battery side portions are respectively located on both sides of the battery central portion, and the top surface of the battery central portion is lower than the top surface of the battery side portions, so as to form a clearance groove between the two battery side portions and the battery central portion, which passes through the length direction of the vehicle beam and has an open top for avoiding the vehicle beam. The battery side portions are detachably connected to the mounting structure, and the top of the battery central portion has a docking portion for docking with the docking structure.

[0067] In the above technical solution, the battery structure is ingenious. By avoiding the vehicle beam and fully utilizing the space on both sides of the beam's width, the overall battery size can be increased, thereby improving the battery's size and energy density. When the battery sides are connected to the mounting structure on both sides, the battery mounting reliability and stability can be improved. The docking point is located at the top of the central portion of the battery, so that when the battery moves from bottom to top along the height direction of the vehicle, it can easily dock with the docking structure between the two longitudinal beams.

[0068] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present application. The same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0070] FIG1 is a schematic structural diagram of a vehicle according to some embodiments of the present application;

[0071] FIG2 is a schematic diagram of the exploded structure of a battery according to some embodiments of the present application;

[0072] FIG3 is a schematic diagram of the assembly of a frame assembly and a battery according to some embodiments of the present application;

[0073] FIG4 is a schematic diagram of a battery mounting rack according to some embodiments of the present application;

[0074] Figure 5 is an enlarged view of point A in Figure 4;

[0075] FIG6 is a partial enlarged view of a battery mounting rack according to another embodiment of the present application;

[0076] FIG7 is an enlarged view of point B in FIG4 ;

[0077] FIG8 is a schematic diagram of a battery according to an embodiment of the present application;

[0078] FIG9 is a schematic diagram of a vehicle according to some embodiments of the present application;

[0079] FIG10 is a bottom view of the vehicle in FIG9 ;

[0080] FIG11 is a cross-sectional view of a point EE in FIG9 ;

[0081] FIG12 is a cross-sectional view at FF in FIG9 ;

[0082] FIG13 is an orthographic view of a battery mounting rack according to some embodiments of the present application;

[0083] FIG14 is a cross-sectional view of a battery mounting rack according to some embodiments of the present application.

[0084] Reference numerals: vehicle 1000, vehicle body 101, frame assembly 100, battery mounting frame 10, vehicle beam 20, longitudinal beam 201, transverse beam 202, battery 30, battery side portion 30a, battery center portion 30b, clearance groove 30c, docking portion 30d, box body 301, first part 3011, second part 3012, battery cell 302, controller 40, motor 50, frame body 10a, main body 1, first direction X, first main body wall 11, second main body wall 12, vehicle beam avoidance groove 13, avoidance opening 14, vehicle beam connecting structure 15, extension portion 2, second direction Y, height direction Z of extension portion, common extension portion 2a, second weight reduction structure 21, Second reinforcement structure 22 , mounting edge 24 , mounting structure 3 , battery mounting space 4 , reinforcement portion 5 , docking structure 6 , support frame 61 , support portion 611 , support leg portion 612 , first weight reduction structure 613 , first reinforcement structure 614 , docking device 62 . DETAILED DESCRIPTION

[0085] The following embodiments of the technical solution of the present application will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application and are therefore only examples and are not intended to limit the scope of protection of the present application.

[0086] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.

[0087] In the description of the embodiments of this application, the technical terms "first" and "second" are used only to distinguish different objects and should not be understood to indicate or imply relative importance or implicitly specify the quantity, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.

[0088] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0089] In the description of the embodiments of this application, the term "and / or" is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, X and / or Y can represent the following three situations: X exists alone, X and Y exist simultaneously, and Y exists alone. In addition, the character " / " in this document generally indicates that the related objects are in an "or" relationship.

[0090] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0091] In the description of the embodiments of the present application, the technical terms "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limiting the embodiments of the present application.

[0092] In the description of the embodiments of the present application, unless otherwise expressly specified or limited, technical terms such as "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or interaction between two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application based on specific circumstances.

[0093] Current market developments indicate that power batteries are becoming increasingly widely used. They are not only used in energy storage systems such as hydropower, thermal, wind, and solar power plants, but are also widely used in electric vehicles like electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. As power battery applications continue to expand, market demand is also growing.

[0094] In some vehicles in the related art, the power battery is installed at the bottom of the vehicle, and the power battery needs to be connected to the vehicle's circuit and fluid circuits through wires and pipes. However, the operation of connecting the wires and pipes is cumbersome, the battery replacement efficiency is low, and there is a risk of disconnection and damage when the wires and pipes are suspended, which affects the reliability of the circuit and fluid circuit connection between the vehicle and the power battery.

[0095] To this end, the present application proposes a battery mounting rack, wherein the battery mounting rack includes a rack body, a mounting structure and a docking structure. The rack body is suitable for being installed on a vehicle body, the mounting structure is integrated on the rack body and is used to mount the battery, and the docking structure is also integrated on the rack body and is used to connect the vehicle body and dock the battery so that the battery and the vehicle body form a circuit and / or liquid circuit connection.

[0096] When using such a battery mounting rack to install the battery on a vehicle, the mounting structure integrated on the rack body can be used to achieve the mounting of the battery, and the docking structure integrated on the rack body can be used to achieve the circuit and / or fluid connection between the battery and the vehicle body. This eliminates the need to connect wires and pipes, simplifies the tedious battery replacement operation, improves the battery replacement efficiency, and reduces or avoids the risk of disconnection and damage caused by hanging wires and pipes, thereby improving the reliability of the circuit and / or fluid connection. Moreover, since both the mounting structure and the docking structure are integrated on the rack body, the mounting connection position of the battery is consistent with the reference base of the water and electricity docking position, that is, the reference base is the rack body, thereby improving the success rate of battery replacement.

[0097] However, if the mounting structure is only set on the frame body and the docking structure is set outside the frame body, for example, the docking structure is set on other mounting frames spaced apart from the frame body, or the docking structure is set on the vehicle body, for example, on the vehicle beam of the vehicle body, the reference datums of the mounting structure and the docking structure are inconsistent. Therefore, there will be some deviations in the relative position accuracy of the mounting structure and the docking structure, and there will be hidden dangers of mounting connection failure or water-power docking failure, which will affect the battery replacement efficiency and battery replacement success rate.

[0098] In short, in the context of increasing demand for battery replacement efficiency, the battery mounting rack of the embodiment of the present application can improve the battery replacement efficiency and the battery replacement success rate.

[0099] The battery disclosed in the embodiments of the present application can be used in electrical devices that use the battery as a power source or various energy storage systems that use the battery as an energy storage element. The electrical device can be, but is not limited to, a mobile phone, a tablet, a laptop computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft, and the like. Among them, the electric toy can include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, and the like, and the spacecraft can include airplanes, rockets, space shuttles, and spacecraft, and the like.

[0100] For the convenience of description, the following embodiments are described using a vehicle 1000 as an example of an embodiment of the present application.

[0101] Please refer to Figure 1, which is a schematic structural diagram of a vehicle 1000 provided in some embodiments of the present application. The vehicle 1000 can be a fuel vehicle, a gas vehicle or a new energy vehicle. The new energy vehicle can be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 30 is provided inside the vehicle 1000, and the battery 30 can be provided at the bottom, head or tail of the vehicle 1000. The battery 30 can be used to power the vehicle 1000. For example, the battery 30 can serve as an 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 power the motor 50, for example, for starting, navigating and driving the vehicle 1000.

[0102] In some embodiments of the present application, the battery 30 can serve not only as an operating power source for the vehicle 1000 , but also as a driving power source for the vehicle 1000 , replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000 .

[0103] Please refer to Figure 2, which is an exploded view of a battery 30 provided in some embodiments of the present application. The battery 30 includes a housing 301 and a battery cell 302, and the battery cell 302 is accommodated in the housing 301. The housing 301 is used to provide a storage space for the battery cell 302, and the housing 301 can adopt a variety of structures. In some embodiments, referring to Figure 2, the housing 301 can include a first portion 3011 and a second portion 3012, and the first portion 3011 and the second portion 3012 cover each other, and the first portion 3011 and the second portion 3012 jointly define a storage space for accommodating the battery cell 302. The second portion 3012 may be a hollow structure with an opening at one end, and the first portion 3011 may be a plate-like structure, with the first portion 3011 covering the opening of the second portion 3012, so that the first portion 3011 and the second portion 3012 jointly define a storage space. The first portion 3011 and the second portion 3012 may also be hollow structures with an opening at one end, with the opening of the first portion 3011 covering the opening of the second portion 3012. Of course, the box 301 formed by the first portion 3011 and the second portion 3012 may have various shapes, such as a cylinder, a rectangular parallelepiped, etc.

[0104] The battery 30 may include a battery cell 302. There may be multiple battery cells 302, and the multiple battery cells 302 may be connected in series, in parallel, or in a hybrid connection. A hybrid connection refers to a combination of series and parallel connections among the multiple battery cells 302. The multiple battery cells 302 may be directly connected in series, in parallel, or in a hybrid connection, and then the entire battery cell 302 may be housed within the housing 301. Alternatively, the battery 30 may be constructed by first connecting multiple battery cells 302 in series, in parallel, or in a hybrid connection to form a battery module, which is then connected in series, in parallel, or in a hybrid connection to form a complete battery module, and then housed within the housing 301. The battery 30 may also include other structures, such as a busbar for electrically connecting the multiple battery cells 302.

[0105] In this application, battery cells 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 this embodiment of the application does not limit this. Battery cells 302 may be cylindrical, flat, rectangular, or other shapes, and this embodiment of the application does not limit this. Battery cells 302 are generally divided into three types based on the packaging method: cylindrical battery cells, prismatic battery cells, and soft-pack battery cells, and this embodiment of the application does not limit this.

[0106] Battery cell 302 includes a housing, an electrode assembly, and an electrolyte. The housing houses the electrode assembly and electrolyte. The electrode assembly consists of a positive electrode sheet, a negative electrode sheet, and a separator. Battery cell 302 primarily operates by the movement of metal ions between the positive and negative electrode sheets. The separator can be made of any material, for example, polypropylene or polyethylene.

[0107] A positive electrode sheet generally includes a positive current collector and a positive active material layer. The positive active material layer is directly or indirectly coated on the positive current collector. The uncoated positive current collector protrudes from the coated positive current collector, serving as the positive tab. For lithium-ion batteries, for example, the positive current collector can be made of aluminum, and the positive active material layer can be made of lithium cobalt oxide, lithium iron phosphate, ternary lithium, or lithium manganese oxide.

[0108] A negative electrode sheet generally includes a negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is directly or indirectly coated on the negative electrode current collector. The negative electrode current collector not coated with the negative electrode active material layer protrudes from the negative electrode current collector coated with the negative electrode active material layer, and the negative electrode current collector not coated with the negative electrode active material layer serves as the negative electrode tab. The negative electrode current collector can be made of copper, and the negative electrode active material layer can be made of carbon, silicon, or other materials.

[0109] To ensure that high currents can pass 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 laminated structure, but the embodiments of the present application are not limited thereto.

[0110] As shown in Figures 1, 3, and 4, an embodiment of the present application provides a battery mounting rack 10 for mounting a battery 30 on a vehicle body 101. The battery mounting rack 10 includes a rack body 10a, a mounting structure 3, and a docking structure 6. The rack body 10a is suitable for mounting on the vehicle body 101. The mounting structure 3 is integrated into the rack body 10a and is used to mount the battery 30. The docking structure 6 is also integrated into the rack body 10a and is used to connect to the vehicle body 101 and dock the battery 30, so that the battery 30 and the vehicle body 101 form an electrical circuit and / or fluid communication.

[0111] It is worth noting that the battery mounting frame 10 of the embodiment of the present application can be used for chassis-type battery swapping of the vehicle 1000. The battery swapping under frame refers to a method of realizing vehicle energy replenishment by flexibly replacing the battery swapping battery system installed under the chassis of the whole vehicle. Among them, the swappable battery system refers to a power battery system (referred to as battery 30 in this application) that is replaced as a whole during the battery swapping process of the vehicle 1000. Exemplarily, the battery swapping battery 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., which can be charged and discharged in a non-vehicle state. The terms and definitions of the embodiments of the present application can be referred to GB / T 19596 Electric Vehicle Terminology.

[0112] Therefore, by integrating the mounting structure 3 on the frame body 10a, when the frame body 10a is installed on the vehicle body 101, the battery 30 is mounted on the frame body 10a through the connection between the mounting structure 3 and the battery 30, and by integrating the docking structure 6 on the frame body 10a, when the battery 30 is mounted on the frame body 10a through the mounting structure 3, the battery 30 can dock with the docking structure 6 to form a circuit and / or liquid path connection, and the docking structure 6 also has a connection relationship with the vehicle body 101, and also forms a circuit and / or liquid path connection, thereby satisfying the battery 30 to achieve circuit and / or liquid path connection with the vehicle body 101 through docking with the docking structure 6.

[0113] The structure of the mounting structure 3 is not limited, and may include, but is not limited to, a mounting slot, a mounting hole, a mounting protrusion, a mounting pin, or a mounting screw, etc. The connection method between the docking structure 6 and the vehicle body 101 is also not limited, and may be achieved by docking via docking terminals, or by plugging in wires and / or pipes.

[0114] For example, when the docking structure 6 is used to achieve circuit connectivity, it can be used for current transfer between the vehicle 1000 and the battery 30, so that the battery 30 can supply power to the vehicle 1000 and the vehicle 1000 can control the battery 30. For example, when the docking structure 6 is used to achieve fluid communication, it can be used for heat transfer between the thermal management system of the vehicle 1000 and the battery 30, thereby using the thermal management system to adjust the temperature of the battery 30 to improve the working reliability and safety of the battery 30, or the thermal management system can be used to absorb the waste heat of the battery 30 to meet the heat source requirements of the heat pump air conditioning system of the vehicle 1000, etc., which will not be described in detail here. Therefore, by providing the docking structure 6 on the battery mounting frame 10, the connection requirements of the circuit and / or fluid circuit between the battery 30 and the vehicle body 101 can be met by the structural design of the battery mounting frame 10, thereby simplifying the structural design of the vehicle body 101 and the battery 30. It should be noted that the location of the docking structure 6 is not limited and can be specifically selected according to the shape of the battery mounting frame 10.

[0115] In some embodiments, the docking structure 6 may include a first docking structure and a second docking structure, wherein the first docking structure is configured to dock with a circuit terminal on the battery 30, and the second docking structure is configured to dock with a fluid port on the battery 30. The relative positions of the first docking structure and the second docking structure are not limited; for example, they may be spaced apart in the horizontal direction, such as left and right, or front and back, so that the first docking structure and the second docking structure do not interfere with each other when docked. Of course, the first docking structure and the second docking structure described above are merely examples of a portion of the docking structure 6 and do not constitute a limitation thereto.

[0116] When using such a battery mounting rack 10 to mount a battery 30 on a vehicle body 101, the mounting structure 3 integrated on the rack body 10a can be used to mount the battery 30, and the docking structure 6 integrated on the rack body 10a can be used to connect the circuit and / or fluid between the battery 30 and the vehicle body 101. This eliminates the need to connect wires and pipes, simplifies the cumbersome battery replacement operation, and improves battery replacement efficiency. Furthermore, because both the mounting structure 3 and the docking structure 6 are integrated on the rack body 10a, the mounting connection position of the battery 30 is consistent with the reference base of the water and electricity docking position, that is, the reference base is the rack body 10a, thereby improving the success rate of battery replacement.

[0117] In some embodiments, referring to FIG. 4 , the frame body 10 a includes a main portion 1 and an extension portion 2 .

[0118] Please refer to Figures 3 and 4. The main body 1 is suitable for installation on the vehicle body 101. The docking structure 6 is provided on the main body 1. One end of the extension 2 is connected to the main body 1, and the other end extends in a direction away from the main body 1. The mounting structure 3 is provided on the extension 2.

[0119] “One end of the extension portion 2 is connected to the main portion 1, and the other end extends in a direction away from the main portion 1” includes that one end of the extension portion 2 is connected to the main portion 1 and the other end extends obliquely or vertically in a direction away from the main portion 1, etc., that is, the specific extension direction of the extension portion 2 is not limited.

[0120] Therefore, by setting the docking structure 6 on the main body 1, the connection between the vehicle body 101 and the docking structure 6 is facilitated when the main body 1 is installed on the vehicle body 101, and the mounting structure 3 is set on the extension part 2, so that the docking structure 6 and the mounting structure 3 are respectively set at different positions of the frame body 10a to prevent the mounting structure 3 and the docking structure 6 from interfering with each other, which is conducive to reducing the difficulty of matching the docking structure 6 and the mounting structure 3 with the battery 30.

[0121] In addition, when the extension portion 2 extends along the width direction of the vehicle body 101 (for example, the second direction Y shown in Figure 4), the extension portion 2 can be located on one side of the battery 30 in the length direction of the vehicle body 101 (for example, the first direction X shown in Figure 4). Since the length dimension of the vehicle body 101 is relatively sufficient relative to the width dimension, the extension portion 2 and the mounting structure 3 provided on the extension portion 2 are configured to occupy the space of the battery 30 in the length direction of the vehicle body 101, which can help reduce the space occupied by the battery 30 in the width direction of the vehicle body 101, thereby helping to increase the size of the battery 30 in the width direction of the vehicle body 101 and improve the size energy density of the battery 30.

[0122] In some embodiments, referring to FIG. 4 , the main body 1 includes a beam avoidance groove 13 having an opening extending along a first direction X. The docking structure 6 is located within the beam avoidance groove 13. For example, the first direction X can be set to coincide with the length of the beam 20 of the vehicle body 101. In the embodiments of the present application, the length of the vehicle body 101, the length of the vehicle 1000, and the length of the beam 20 are all consistent, and the width of the vehicle body 101, the width of the vehicle 1000, and the width of the beam 20 are all consistent.

[0123] Thus, by providing the beam avoidance groove 13 in the main body 1, when the main body 1 is connected to the vehicle body 101, at least a portion of the beam 20 can extend into the beam avoidance groove 13. The extension direction of the beam 20 is the same as the through-direction of the opening, thus preventing interference between the battery mounting bracket 10 and the beam 20. This improves the compactness of the fit between the battery mounting bracket 10 and the beam 20, facilitates the use of the space near the beam 20 to install the battery 30, and thus helps increase the size and dimensional energy density of the battery 30. Furthermore, by arranging the docking structure 6 within the beam avoidance groove 13, the space within the beam avoidance groove 13 can be fully utilized, thereby improving space utilization and facilitating the reduction of the space occupied by the docking structure 6 in other locations of the battery mounting bracket 10, thereby increasing the size and dimensional energy density of the battery 30. Furthermore, the docking structure 6 is protected by the inner wall of the beam avoidance groove 13, reducing the probability of damage to the docking structure 6 due to bumps and collisions, improving the problem of corrosion and failure of the docking structure 6 due to mud and water, etc., improving the reliability and stability of the docking, and reducing the risk of electrical failure caused by erosion of the docking structure 6 by mud and splashing water. Furthermore, the docking structure 6 does not occupy space outside the beam 20 and does not interfere with the connection between the battery mounting bracket 10 and the beam 20 or the battery 30. At the same time, it helps to shorten the distance between the vehicle body 101 and the docking structure 6, thereby reducing the difficulty of connecting the vehicle body 101 to the docking structure 6.

[0124] For example, a beam connection structure 15 can be provided on the main body 1 to connect the main body 1 to the beam 20. Thus, since the main body 1 cooperates with the beam 20 via the beam avoidance groove 13, both the main body 1 and the extension 2 can have portions close to the beam 20. Thus, by providing the beam connection structure 15 to connect to the beam 20, it is possible to facilitate installation of the battery mounting bracket 10 to the beam 20.

[0125] In some embodiments, referring to FIG. 4 , the main body 1 includes a plurality of first main body walls 11 spaced apart along a first direction X. A clearance opening 14 is formed between adjacent first main body walls 11. The docking interface of the docking structure 6 (e.g., an electrical circuit interface and / or a fluid interface) is higher than the first main body wall 11 and is provided corresponding to the clearance opening 14. Here, the height direction of the vehicle body 101 is defined as the up-down direction. The height direction of the vehicle body 101 is consistent with the height direction of the vehicle 1000, both being up-down in the direction of gravity.

[0126] Thus, because the docking interface of the docking structure 6 is higher than the first main body wall 11, the docking interface of the docking structure 6 is higher off the ground, providing better protection. Furthermore, the height setting of the docking interface of the docking structure 6 helps save space, thereby increasing the height dimension of the battery 30, improving the compactness of the fit between the battery mounting frame 10 and the battery 30, and fully utilizing space to increase the size and dimensional energy density of the battery 30. Furthermore, by providing the avoidance opening 14, when the battery 30 is mounted on the battery mounting frame 10, a portion of the battery 30 can extend upward into the avoidance opening 14 and dock with the docking interface of the docking structure 6, thereby meeting docking requirements.

[0127] In some embodiments, please refer to Figure 7, the docking structure 6 includes a supporting frame 61 and a docking device 62, the supporting frame 61 includes a supporting portion 611 and a supporting leg portion 612, the docking device 62 is arranged on the supporting portion 611, and the supporting leg portion 612 extends from both ends of the supporting portion 611 in the first direction X toward the first main wall 11 and is connected to the first main wall 11.

[0128] In the above technical solution, by arranging the docking device 62 on the load-bearing portion 611 and providing support legs 612 extending from both ends of the load-bearing portion 611 in the first direction X toward the first main body portion 1 and connected to the first main body wall 11, the load-bearing portion 611 can be spaced apart from the first main body wall 11. This allows the load-bearing portion 611 to be configured to evade the battery 30 upwards, and facilitates increasing the height of the docking device 62, thereby saving space and increasing the height of the battery 30. Furthermore, when the first direction X is the longitudinal direction of the vehicle 1000, the two support legs 612 are provided on both sides of the load-bearing portion 611 in the first direction X. This allows the battery 30 to occupy only the space in the longitudinal direction of the vehicle 1000, where space is relatively abundant. This reduces the space occupied by the battery 30 in the width direction of the vehicle 1000, thereby increasing the size and energy density of the battery 30 in the width direction of the vehicle 1000.

[0129] In some embodiments, referring to FIG. 7 , the supporting portion 611 has a first weight-reducing structure 613 , and / or a first reinforcement structure 614 is provided at the connection between the leg portion 612 and the supporting portion 611 .

[0130] Thus, by providing the first weight-reducing structure 613 on the bearing portion 611, the weight of the bearing portion 611 is reduced, thereby reducing the weight of the docking structure 6, thereby achieving a lightweight design of the docking structure 6. The first weight-reducing structure 613 may include, but is not limited to, weight-reducing holes, weight-reducing grooves, or thinning treatments.

[0131] Thus, by providing the first reinforcement structure 614 at the connection between the load-bearing portion 611 and the leg portion 612, the structural strength of the connection between the load-bearing portion 611 and the leg portion 612 is enhanced, and the possibility of fracture at the connection between the leg portion 612 and the load-bearing portion 611 is reduced, thereby facilitating a reduction in the thickness of the load-bearing portion 611 and the leg portion 612, thereby achieving a lightweight design of the docking structure 6. The first reinforcement structure 614 may include, but is not limited to, reinforcement ribs, strip-shaped reinforcement protrusions, or partially thickened portions of the extension portion 2. When the first reinforcement structure 614 is configured as a reinforcement rib, the structural form of the reinforcement rib is not limited, and may be, for example, linear, curved, or cross-shaped.

[0132] In some embodiments, referring to FIG. 7 , the supporting frame 61 is an integrally formed component and is assembled and connected to the first main body wall 11 .

[0133] Therefore, by setting the carrier frame 61 as an integrally formed part, the difficulty of setting the carrier frame 61 is reduced, and it is beneficial to ensure the overall structural strength of the carrier frame 61, and the carrier frame 61 is assembled and connected to the first main body wall 11, so as to reduce the difficulty of assembling the carrier frame 61 and the first main body wall 11, and improve the production efficiency of the battery mounting frame 10.

[0134] In addition, the supporting frame 61 may not be an integrally formed part. For example, it may be an assembled connection between the supporting portion 611 and the supporting leg portion 612 .

[0135] Here, "assembly connection" includes but is not limited to welding connection, connection by bolts, clamping, plugging, etc.

[0136] In some embodiments, referring to FIG. 4 , a plurality of avoidance openings 14 are spaced apart along the first direction X, and each avoidance opening 14 is correspondingly provided with a docking structure 6 .

[0137] Therefore, by setting up multiple avoidance openings 14, when multiple batteries 30 are mounted on the battery mounting rack 10, the connection requirements of the circuits and / or liquid circuits of the multiple batteries 30 with the vehicle body 101 can be respectively achieved through multiple docking structures 6, that is, each battery 30 can achieve the connection requirements of the circuits and / or liquid circuits with the vehicle body 101 through the docking of the corresponding docking structure 6, so that the vehicle 1000 can achieve separate connection with each battery 30 through the corresponding docking structure 6, which is conducive to each battery 30 being powered separately or being controlled separately by the vehicle body 101.

[0138] In some embodiments, referring to Figures 4 and 7, the main body 1 includes two second main body walls 12 extending along the first direction X, and the second main body walls 12 are two and are arranged at intervals along the second direction Y. The second direction Y intersects with the first direction X (such as at an acute angle, an obtuse angle, or a right angle). The two second main body walls 12 are connected to the two ends of each first main body wall 11 in the second direction Y to form a top-open vehicle beam avoidance groove 13 between the first main body wall 11 and the second main body wall 12, and the extension portion 2 is connected to the second main body wall 12.

[0139] Thus, by providing the second main body wall 12, the plurality of first main body walls 11 and second main body walls 12 can be connected to form an integral structure, thereby facilitating the reduction of the difficulty in setting up and forming the main body 1, and facilitating the definition of the extension direction of the beam avoidance groove 13, so that it extends along the first direction X. Moreover, since the top of the beam avoidance groove 13 is open, the main body 1 can be pushed upward from the bottom to allow the beam 20 to enter the beam avoidance groove 13, thereby facilitating the reduction of the difficulty in assembling the battery mounting bracket 10 to the vehicle body 101. The battery mounting bracket 10 can be subsequently installed on the vehicle body 101 that has been assembled, making the battery mounting bracket 10 suitable for use in a variety of vehicle models. The present application is not limited thereto. For example, in other embodiments of the present application, the beam avoidance groove 13 can also be provided with an open bottom. In this case, the battery mounting bracket 10 can be assembled with the vehicle body 101 simultaneously during the assembly of the vehicle body 101.

[0140] 4 and 5 , the extension 2 is connected to the side of the second main body wall 12 that is away from the first main body wall 11 in the second direction Y. This can prevent the extension 2 from interfering with the vehicle beam 20 while increasing the length of the extension 2 in the second direction Y, thereby facilitating the expansion of the battery mounting space 4 in the second direction Y. Furthermore, the connection between the extension 2 and the main body 1 is facilitated.

[0141] In some embodiments, referring to FIG. 4 , a plurality of extension portions 2 arranged at intervals along a first direction X are provided on one side of the main body 1 , and a battery mounting space 4 is defined between two adjacent extension portions 2 .

[0142] Thus, by providing a plurality of extensions 2 spaced apart along the first direction X on one side of the main body 1 , the battery mounting space 4 is defined between two adjacent extensions 2 along the first direction X, and the extensions 2 can be used to protect the battery 30 .

[0143] Furthermore, when the first direction X is set as the longitudinal direction of the vehicle 1000 and the mounting structure 3 is disposed on the extension portion 2, neither the mounting structure 3 nor the extension portion 2 occupies the space available for the battery 30 in the width direction of the vehicle 1000. This increases the size of the battery mounting space 4 in the width direction of the vehicle 1000, thereby increasing the size of the battery 30 in the width direction of the vehicle 1000 and facilitating an improvement in the size-energy density of the battery 30. Furthermore, when the first direction X is set as the longitudinal direction of the vehicle 1000, since the longitudinal space of the vehicle 1000 is relatively large, it is also advantageous to increase the size or number of the battery mounting spaces 4 in the longitudinal direction of the vehicle 1000, thereby further increasing the size-energy density or number of the batteries 30.

[0144] In some embodiments, referring to FIG. 4 , a plurality of battery mounting spaces 4 spaced apart along a first direction X are defined on one side of the main body 1 .

[0145] In the above technical solution, by providing a plurality of battery mounting spaces 4 spaced apart along a first direction X on one side of the main body 1, the battery mounting rack 10 is capable of mounting multiple batteries 30 in the first direction X, i.e., realizing a multi-pack mounting function, thereby facilitating flexible battery replacement. Furthermore, by providing the extension 2 to define the battery mounting spaces 4, problems such as collision and heat transfer between batteries 30 in two adjacent battery mounting spaces 4 along the first direction X can be alleviated.

[0146] In some embodiments, referring to FIG. 4 , when a plurality of battery mounting spaces 4 are provided on one side of the main body 1 and spaced apart along a first direction X, a plurality of docking structures 6 can be provided and spaced apart along the first direction X, and the plurality of docking structures 6 are arranged opposite to the plurality of battery mounting spaces 4 along a second direction Y, where the second direction Y intersects the first direction X (e.g., at an acute angle, an obtuse angle, or a right angle).

[0147] Therefore, the distribution direction of the docking structure 6 does not occupy the space of the battery mounting space 4 in the first direction X, that is, while the docking structure 6 achieves docking with the battery 30, it will not occupy the space in the arrangement direction of multiple battery mounting spaces 4, which is conducive to increasing the number or size of the battery mounting spaces 4 arranged along the first direction X, improving space utilization, and enabling the battery mounting rack 10 to mount more or larger batteries 30.

[0148] In some embodiments, both the battery mounting spaces 4 and the avoidance openings 14 can be provided as a plurality of spaced-apart portions along the length direction (e.g., the first direction X) of the vehicle beam 20, and the avoidance openings 14 correspond one-to-one with the battery mounting spaces 4 along the width direction (e.g., the second direction Y) of the vehicle beam 20. Each avoidance opening 14 is provided with a corresponding docking structure 6. Thus, when the battery 30 is relatively large, the portion of the battery 30 corresponding to the battery mounting space 4 can extend into the battery mounting space 4, and the portion of the battery 30 corresponding to the avoidance opening 14 can extend into the avoidance opening 14 to dock with the docking structure 6.

[0149] In some embodiments, referring to FIG. 4 , a mounting structure 3 is disposed on a side of the extension portion 2 facing the battery mounting space 4 .

[0150] In an embodiment of the present application, the battery mounting rack 10 is provided with a mounting structure 3 that can be connected to a battery 30. When the battery 30 is connected to the mounting structure 3, at least a portion of the battery 30 can be stored in the battery mounting space 4, presenting a mounted state. In some embodiments of the present application, when the battery mounting rack 10 includes multiple battery mounting spaces 4, the battery mounting rack 10 is provided with a mounting structure 3 corresponding to each battery mounting space 4, so that each battery mounting space 4 can be used to mount a battery 30. The mounting structures 3 corresponding to different battery mounting spaces 4 can be independent of each other, so that each battery mounting space 4 can be individually removed and replaced with a mounted battery 30.

[0151] Thus, by arranging the mounting structure 3 on the side of the extension portion 2 facing the battery mounting space 4, the mounting structure 3 corresponds to the battery mounting space 4 that the mounting structure 3 faces, and is used to mount the battery 30 in the battery mounting space 4 that the mounting structure 3 faces. This makes it possible to clearly identify the corresponding relationship between the mounting structure 3 and the battery mounting space 4. When the battery 30 is inserted into the battery mounting space 4, it can be connected to the mounting structure 3 facing the battery mounting space 4, thereby conveniently mounting the battery 30. Moreover, when there are multiple battery mounting spaces 4, the mounting structures 3 corresponding to different battery mounting spaces 4 are arranged at different positions and do not interfere with each other. This allows the mounting structures 3 corresponding to each battery mounting space 4 to have sufficient space for flexible arrangement, making it easier and more reliable for the mounting structures 3 to mount the battery 30.

[0152] In some embodiments, please refer to Figure 4, at least one extension portion 2 located in the middle of the multiple extension portions 2 arranged along the first direction X is a common extension portion 2a, and the common extension portion 2a has a battery mounting space 4 on both sides of the first direction X, and the mounting structures 3 are arranged on both sides of the battery mounting space 4 facing both sides of the common extension portion 2a.

[0153] It is worth noting that "at least one central extension portion 2 among the plurality of extension portions 2 arranged along the first direction X" means that, except for the two extension portions 2 on either side of the plurality of extension portions 2 arranged in an interval along the first direction X, the remaining at least one extension portion 2 is a common extension portion 2a. For example, in Figure 3 , when the first direction X is the length of the vehicle 1000 and the second direction Y is the width of the vehicle 1000, four extension portions 2 are provided on one width side of the beam 20, and at least one of the two central extension portions 2 is a common extension portion 2a.

[0154] Among them, the mounting structures 3 are respectively arranged on both sides of the battery mounting space 4 facing both sides of the common extension part 2a, so that the batteries 30 in the two adjacent battery mounting spaces 4 in the first direction X can be respectively mounted on the mounting structures 3 on both sides of the common extension part 2a, so that the mounting of the batteries 30 is more compact and helps to reduce the difficulty of setting up the mounting structure 3.

[0155] Therefore, when the number of battery mounting spaces 4 arranged at intervals along the first direction X is fixed, the number of extensions 2 arranged at intervals along the first direction X can be reduced. For example, in the minimum case, the number of extensions 2 on one side of the width of the vehicle beam 20 can be one more than the number of mounting spaces, that is, only one extension 2 is set between two adjacent battery mounting spaces 4 along the first direction X, which is beneficial to reducing costs and reducing the load of the vehicle 1000.

[0156] However, the present application is not limited to this. For example, two extension portions 2 may be provided between two adjacent battery mounting spaces 4 along the first direction X. In this way, each extension portion 2 may be provided with a mounting structure 3 corresponding only to the battery mounting space 4 on one side, thereby reducing the bearing force of each extension portion 2 on the battery 30 and improving the mounting reliability of the battery 30.

[0157] For example, referring again to FIG. 4 , the battery mounting rack 10 includes four extensions 2 spaced apart along a first direction X. The four extensions 2 define three battery mounting spaces 4, with the two middle extensions 2 serving as a common extension 2a. Of course, the number of battery mounting spaces 4 described above is merely illustrative. For example, the battery mounting rack 10 may also include two, three, five, or more battery mounting spaces 4 disposed along the first direction X, depending on the specific requirements of the vehicle 1000.

[0158] Furthermore, the number of extensions 2 may not be simply one more than the number of battery mounting spaces 4. For example, three battery mounting spaces 4 may be defined by five or six extensions 2. However, it will be appreciated that when the number of extensions 2 is not simply 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 rack 10.

[0159] In some embodiments, the orthographic projections of the mounting structures 3 on both sides of the common extension portion 2a on a projection plane perpendicular to the first direction X are offset. For example, the distance from any mounting structure 3 on one side of the common extension portion 2a to the main body 1 in the second direction Y is different from the distance from any mounting structure 3 on the other side of the common extension portion 2a to the main body 1 in the second direction Y.

[0160] Therefore, by setting the mounting structures 3 on both sides of the common extension part 2a to be misaligned in the projection on the projection plane perpendicular to the first direction X, the force distribution of the common extension part 2a is made more reasonable. When the batteries 30 in the battery mounting spaces 4 on both sides of the common extension part 2a are respectively connected to the mounting structures 3 on both sides of the common extension part 2a, stress concentration can be reduced to cause deformation, fracture and other problems of the extension part 2, thereby improving the service life of the common extension part 2a and enhancing the mounting reliability of the battery 30.

[0161] In some embodiments, referring to FIG. 4 , a mounting structure 3 is provided on the extension portion 2 on both sides of the battery mounting space 4 in the first direction X.

[0162] Therefore, the extension parts 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, and the mounting structures 3 on both sides can disperse the force to reduce stress concentration and cause deformation, fracture and other problems in the extension part 2, thereby increasing the service life of the common extension part 2a and improving the mounting reliability of the battery 30.

[0163] In some embodiments, the orthographic projections of the mounting structures 3 on both sides of the battery mounting space 4 on a projection plane perpendicular to the first direction X are misaligned. For example, the distance from any mounting structure 3 on one side of the battery mounting space 4 to the main body 1 in the second direction Y is different from the distance from any mounting structure 3 on the other side of the battery mounting space 4 to the main body 1 in the second direction Y.

[0164] Therefore, by setting the mounting structures 3 on both sides of the battery mounting space 4 to be staggered in the projection on the projection plane perpendicular to the first direction X, it is further beneficial to disperse the force on the mounting structures 3 on both sides, and further improve the problems of deformation and fracture of the extension part 2 caused by stress concentration.

[0165] In addition, when the mounting structures 3 on both sides of the common extension portion 2a in the first direction X are misaligned in their orthographic projections on the projection plane perpendicular to the first direction X, and the mounting structures 3 on both sides of the battery mounting space 4 in the first direction X are misaligned in their orthographic projections on the projection plane perpendicular to the first direction X, multiple extension portions 2 can be constructed into the same structure, which is conducive to simplifying the structure, facilitating processing, reducing costs, and improving assembly efficiency.

[0166] Of course, the present application is not limited to this. For example, the mounting structures 3 on both sides of the common extension portion 2a in the first direction X can also be set so that their orthographic projections on the projection plane perpendicular to the first direction X coincide with each other. At this time, the orthographic projections of the mounting structures 3 on both sides of the battery mounting space 4 in the first direction X on the projection plane in the first direction X can also coincide with each other, thereby simplifying processing and reducing costs.

[0167] In some embodiments, a plurality of mounting structures 3 are provided on one side of the extension portion 2 facing the battery mounting space 4 , and at least two mounting structures 3 are spaced apart along the length direction of the extension portion 2 (eg, the second direction Y shown in FIG. 4 ).

[0168] In this way, it is beneficial to fully utilize the space in the length direction of the extension part 2 and arrange more mounting structures 3, thereby enhancing the mounting stability of the battery 30, or increasing the number of batteries 30 mounted in the battery mounting space 4.

[0169] In some embodiments, referring to FIG. 4 , the extension portion 2 includes a mounting edge 24 protruding toward the battery mounting space 4 , and the mounting structure 3 is located on the mounting edge 24 .

[0170] For example, the mounting edge 24 protrudes along the first direction X toward the interior of the battery mounting space 4 .

[0171] In this way, by setting the mounting edge 24, it is helpful to reduce the difficulty of setting the mounting structure 3, and it is easy to realize that the mounting structure 3 is located on the side of the extension part 2 facing the battery mounting space 4. Moreover, the mounting edge 24 can play a certain direct or indirect supporting role on the battery 30 to enhance the mounting stability of the battery 30.

[0172] In some embodiments, referring to FIG. 4 , the mounting edge 24 is located at the lower edge of the extending portion 2 in the height direction Z.

[0173] As a result, the mounting structure 3 is set at a lower height, which is conducive to reducing the difficulty of maintaining the mounting structure 3, and is conducive to the loading connection between the mounting structure 3 and the battery 30, and improves the compactness of the fit between the battery 30 and the extension part 2, reduces space waste, and utilizes the saved space to further increase the size of the battery 30, thereby further improving the size energy density of the battery 30.

[0174] For example, when a tool is used to extend upward to the position of the mounting structure 3 to perform the mounting connection between the mounting structure 3 and the battery 30, the raised position of the tool is lower than the extension part 2, so that the lifting height of the tool can be reduced, and the tool does not need to be extended between the battery 30 and the extension part 2. There is no need to increase the gap between the battery 30 and the extension part 2 to meet the tool's insertion requirements, thereby reducing space waste and utilizing the saved space to further increase the size of the battery 30, thereby further improving the size energy density of the battery 30.

[0175] In some embodiments, please refer to Figure 4, the length direction of the mounting edge 24 is the same as the extension direction of the extension portion 2; wherein, please refer to Figure 5, Figure 5 is a partial enlarged view of the battery mounting rack 10 of an embodiment of the present application, and the mounting edge 24 is provided with a plurality of mounting structures 3 arranged at intervals along the length direction of the mounting edge 24.

[0176] Therefore, since the length direction of the mounting edge 24 is the same as the length direction of the extension part 2, it is beneficial to reduce the processing difficulty of the mounting edge 24, so that the mounting edge 24 has a larger length dimension and a larger number of mounting structures 3 are set. Multiple mounting structures 3 are set along the length direction of the mounting edge 24, which is beneficial to enhance the mounting stability of the battery 30, or to increase the number of batteries 30 mounted on the mounting edge 24.

[0177] Alternatively, please refer to FIG. 6 , which is a partial enlarged view of a battery mounting rack 10 according to another embodiment of the present application. The mounting structure 3 on the mounting edge 24 is configured as one and extends along the length direction of the mounting edge 24 .

[0178] In the above technical solution, since the length direction of the mounting edge 24 is the same as the extension direction of the extension part 2, it is beneficial to reduce the processing difficulty of the mounting edge 24, so that the mounting edge 24 has a larger length dimension and a larger number of mounting structures 3 are set. Multiple mounting structures 3 are set along the length direction of the mounting edge 24, which is beneficial to enhance the mounting stability of the battery 30, or to increase the number of batteries 30 mounted on the mounting edge 24.

[0179] Alternatively, only one mounting structure 3 extending along the length of the mounting edge 24 may be provided on the mounting edge 24. Thus, by providing only one mounting structure 3 on the mounting edge 24, the difficulty of manufacturing the mounting structure 3 is reduced. Furthermore, the mounting structure 3 extends along the length of the mounting edge 24, i.e., the length of the mounting structure 3 is consistent with the length of the mounting edge 24. This allows the mounting structure 3 to be larger, with a larger force-bearing area, or to have more connection locations, thereby facilitating simultaneous connection with multiple connection structures on the battery 30, thereby improving the mounting reliability of the battery 30, or facilitating simultaneous mounting of multiple batteries 30.

[0180] In some embodiments, referring to FIG. 4 , the battery mounting bracket 10 further includes a reinforcing portion 5 , which is configured to connect at least two extending portions 2 located on the same side of the main body 1 .

[0181] It is worth noting that this embodiment is applicable to both the cases of "at least one extension portion 2 being arranged on each of the two sides in the width direction of the main body 1" and "an extension portion 2 being arranged on one side in the width direction of the main body 1." Furthermore, the at least two extension portions 2 connected by the reinforcement portion 5 may be adjacent or non-adjacent.

[0182] Furthermore, it is worth noting that the width direction of the main body 1 is consistent with the width direction of the vehicle beam 20, that is, the left-right direction of the vehicle 1000. For example, at least two extensions 2 on the left side of the main body 1 are connected by the reinforcement 5, and / or at least two extensions 2 on the right side of the main body 1 are connected by the reinforcement 5.

[0183] This helps to enhance the overall structural strength of the battery mounting rack 10 , reduce deformation of the extension portion 2 caused by stress, and improve the mounting reliability of the battery 30 .

[0184] For example, the reinforcement portion 5 and the main body 1 are positioned on either side of the extension portion 2 in the second direction Y. Thus, the two extension portions 2 defining the battery mounting space 4 are connected at both ends in the second direction Y via the main body 1 and the reinforcement portion 5, respectively. This creates a ring-shaped structure around the battery mounting space 4, providing greater structural strength, improved mounting reliability for the battery 30, and more comprehensive circumferential protection for the battery 30. Furthermore, the location of the mounting structure 3 can be flexibly selected.

[0185] In some embodiments, referring to FIG. 4 , the main body 1 is provided with extension portions 2 on both sides thereof in the second direction Y.

[0186] Thus, the batteries 30 can be mounted separately using the spaces on both sides of the main body 1 in the second direction Y. For example, the two parts of the same battery 30 located on both sides of the main body 1 can be mounted separately, or the two batteries 30 located on both sides of the main body 1 can be mounted separately, thereby increasing the size of the mounted battery 30 or increasing the number of mounted batteries 30.

[0187] In addition, when each of the two sides of the main body 1 in the second direction Y has the function of mounting multiple batteries 30 in the first direction X, the size of the battery mounting frame 10 in the second direction Y can be fully utilized to increase the number of batteries 30 that can be mounted on the battery mounting frame 10, so as to fully utilize the space of the battery mounting frame 10 in the second direction Y, and is beneficial to improving the cruising range of the vehicle 1000 on a single battery replacement.

[0188] For example, when the battery mounting rack 10 is installed on the vehicle body 101, the main body 1 can be fixed to the vehicle beam 20 so that the batteries 30 can be distributed on both sides of the vehicle beam 20, that is, the battery mounting rack 10 has a double-sided mounting space form to fully utilize the space under the vehicle.

[0189] In some embodiments, the extension directions of the extension portions 2 on both sides of the main body 1 in the second direction Y are the same, and the orthographic projections of the projections of the extension portions 2 on both sides of the main body 1 in the second direction Y coincide with each other.

[0190] As a result, the battery mounting spaces 4 defined by the extensions 2 on both sides of the main body 1 in the second direction Y are of the same size and correspondingly positioned. Therefore, when the battery mounting rack 10 is mounted on a large, relatively regularly shaped battery 30, the two side portions of the battery 30 can respectively cooperate with the two battery mounting spaces 4 correspondingly provided on both sides of the main body 1 in the second direction Y. In this way, the two battery mounting spaces 4 correspondingly provided on both sides of the main body 1 can be used to mount a large battery 30, thereby improving the energy density of the installed battery 30. Furthermore, when the extension 2 has a mounting structure 3, the two extensions 2 correspondingly positioned along the second direction Y can respectively support the two side portions of the large battery 30, thereby improving the force balance and mounting stability of the battery 30.

[0191] In some embodiments, referring to FIG. 4 , the height of the extension portion 2 decreases as it moves away from the main body 1 .

[0192] It is worth noting that "showing a decreasing trend" can mean a gradual decrease or a step-by-step decrease.

[0193] Therefore, by setting the height of the extension portion 2 to decrease in the direction away from the main body 1 in the second direction Y, the height of the extension portion 2 in the region away from the main body 1 is smaller.

[0194] That is to say, the height of the end portion of the extension portion 2 connected to the main portion 1 is relatively large, while the height of the end portion of the extension portion 2 away from the main portion 1 is relatively small, thereby enhancing the connection strength between the extension portion 2 and the main portion 1, improving the reliability of the extension portion 2 for mounting the battery 30, and reducing the weight of the extension portion 2, thereby reducing the load of the vehicle 1000.

[0195] In some embodiments, referring to FIG. 4 , the mounting structure 3 is located at the lower edge of the extension portion 2 . The lower edge of the extension portion 2 extends horizontally, and the upper edge of the extension portion 2 decreases in a direction away from the main body portion 1 . Here, the ends of the extension portion 2 in the height direction Z are defined as the upper and lower ends. When the height direction Z of the extension portion 2 coincides with the height direction of the vehicle 1000 , the ends of the extension portion 2 in the height direction Z are also the upper and lower ends in the direction of gravity.

[0196] Therefore, by setting the mounting structure 3 at the lower edge of the extension part 2 in the height direction Z, and the lower edge of the extension part 2 extending along the horizontal line, it is beneficial for the battery mounting structures 3 to be located at the same height and at a lower height, which is beneficial for the loading connection between the battery mounting structure 3 and the battery 30, and is convenient for reducing the difficulty of mounting the battery 30, and is beneficial for saving battery replacement operation space, and is beneficial for increasing the size and energy density of the battery.

[0197] For example, when the mounting structure 3 is located at the lower edge of the extension portion 2, for example, on the mounting edge 24, and the mounting edge 24 is located at the lower edge of the extension portion 2, the lower edge of the extension portion 2 can be configured to extend horizontally, while the upper edge of the extension portion 2 decreases in a direction away from the main body portion 1. It is worth noting that the "decreasing trend" can be a gradual decrease or a step-by-step decrease. This helps to ensure that the mounting structures 3 are all at the same level, thereby facilitating the mounting operation of the battery 30.

[0198] The lower edge of the extension 2 extends horizontally, facilitating the placement of the mounting structure 3 at the same level, thereby facilitating the mounting of the battery 30. Furthermore, the upper edge of the extension 2 decreases as it moves away from the main body 1, resulting in a relatively high height at the end of the extension 2 connected to the main body 1 and a relatively low height at the end away from the main body 1. This strengthens the connection between the extension 2 and the main body 1, improving the reliability of the extension 2 in mounting the battery 30, and reducing the weight of the extension 2, thereby reducing the load on the vehicle 1000.

[0199] In some embodiments, referring to FIG. 5 or FIG. 6 , a second weight-reducing structure 21 and / or a second reinforcing structure 22 is provided on the extension portion 2 .

[0200] Thus, by providing the second weight-reducing structure 21, the weight of the extension portion 2 is reduced, thereby facilitating a lightweight design of the extension portion 2. The second weight-reducing structure 21 may include but is not limited to a weight-reducing hole, a weight-reducing groove, or a thinning treatment.

[0201] Therefore, by providing the second reinforcement structure 22, the structural strength of the extension portion 2 is enhanced, and the deformation problem of the extension portion 2 under stress is improved. The second reinforcement structure 22 may include, but is not limited to, reinforcement ribs, strip-shaped reinforcement protrusions, or a partially thickened portion of the extension portion 2. When the first reinforcement structure 614 is provided as a reinforcement rib, the structural form of the reinforcement rib is not limited, for example, it can be linear, curved, or cross-shaped, etc.

[0202] In addition, when the second weight-reducing structure 21 and the second reinforcement structure 22 are simultaneously provided on the extension part 2, the weight of the extension part 2 increases due to the provision of the second reinforcement structure 22, and the weight can be reduced by providing the second weight-reducing structure 21. In this way, the reliability and lightweight of the extension part 2 can be taken into account.

[0203] In the second aspect, please refer to Figures 3 and 4. An embodiment of the present application provides a frame assembly 100, including: a vehicle beam 20 and a battery mounting frame 10 of any of the above embodiments, the vehicle beam 20 includes two longitudinal beams 201 extending along a first direction X and spaced apart along a second direction Y, the frame body 10a is installed to the vehicle beam 20, and the docking structure 6 is located between the two longitudinal beams 201.

[0204] It is worth noting that the specific configuration of the vehicle beam 20 according to the embodiment of the present application is not limited. For example, as shown in FIG3 , the vehicle beam 20 may include two longitudinal beams 201 extending along the length of the vehicle and at least one transverse beam 202 extending along the width of the vehicle. The two longitudinal beams 201 are spaced apart along the width of the vehicle, and the transverse beam 202 is connected between the two longitudinal beams 201. Because the vehicle beam 20 includes two longitudinal beams 201 extending along the first direction X and spaced apart along the second direction Y, the second direction Y can be set to be orthogonal to the first direction X.

[0205] Thus, the docking structure 6 is located between the two longitudinal beams 201, and the two longitudinal beams 201 can provide a certain degree of protection for the docking structure 6, thereby reducing damage to the docking structure 6 and extending its service life. The docking structure 6 can also fully utilize the space between the two longitudinal beams 201, thereby improving space utilization and facilitating a reduction in the volume of the battery mounting rack 10, thereby increasing the capacity of the battery 30. Furthermore, the portion of the docking structure 6 located between the two longitudinal beams 201 is protected by the two longitudinal beams 201, thereby reducing the probability of damage to the docking structure 6 from collisions and improving the problem of corrosion failure of the docking structure 6 due to mud and water. This improves the reliability and stability of the docking and reduces the risk of electrical failure of the docking structure 6 due to erosion by mud and splashing water. Furthermore, the docking structure 6 does not need to occupy space outside the vehicle beam 20 and does not interfere with the coordination of the battery mounting rack 10 with the vehicle beam 20 and the battery 30.

[0206] In some embodiments, the docking interface of the docking structure 6 is higher than the bottom surface of the longitudinal beam 201 and is arranged downward.

[0207] Therefore, since the docking interface of the docking structure 6 is higher than the bottom surface of the longitudinal beam 201, the docking interface of the docking structure 6 is at a greater height from the ground, which can provide better protection. In addition, the height setting of the docking interface of the docking structure 6 is conducive to saving space, thereby increasing the height of the battery 30 so that at least part of the battery 30 can extend between the two longitudinal beams 201, improving the compactness of the battery mounting frame 10 and the battery 30, making full use of the space, and increasing the size and dimensional energy density of the battery. Moreover, by setting the docking interface downward, the battery 30 can be mounted from the bottom up while being docked with the docking structure 6, thereby improving the efficiency of battery replacement.

[0208] In this way, the docking direction of the battery 30 when docking with the vehicle 1000 is arranged along the height direction of the vehicle 1000, and since the battery 30 is mounted on the vehicle 1000, the battery replacement movement direction of the battery 30 is also arranged along the height direction of the vehicle 1000, so that the docking direction of the battery 30 can coincide with the battery replacement movement direction, and there is no need to set up additional docking space in the length or width direction of the vehicle 1000 to improve space utilization, and the battery 30 can be mounted and docked in the same direction, thereby improving the battery replacement efficiency.

[0209] Thirdly, embodiments of the present application provide a vehicle 1000 comprising a battery 30 and a frame assembly 100 according to any of the aforementioned embodiments. The battery 30 is mounted on a mounting structure 3 and docked with a docking structure 6. It is worth noting that the sum of all components of the vehicle 1000 other than the battery 30 and the battery mounting bracket 10 can be understood as the vehicle body 101, and the beam 20 is a portion of the vehicle body 101.

[0210] Therefore, by setting up the frame assembly 100, the battery 30 can be mounted by utilizing the mounting structure 3, and the battery 30 is connected to the vehicle body 101 through the docking structure 6 to form a circuit and / or liquid path to meet the docking requirements of the circuit and / or liquid path of the battery 30 and the vehicle body 101, thereby simplifying the structural design of the docking point between the vehicle body 101 and the battery 30. Among them, by integrating the mounting structure 3 and the docking structure 6 on the frame body 10a, the positions of the two are consistent with the reference base, thereby improving the battery replacement efficiency and battery replacement success rate of the battery 30.

[0211] In some embodiments, please refer to FIG. 8 , which is a simplified structural diagram of a battery 30 in some embodiments of the present application.

[0212] The battery 30 includes two battery side portions 30a and a battery central portion 30b. In the width direction of the vehicle beam 20, the two battery side portions 30a are respectively located on both sides of the battery central portion 30b, and the top surface of the battery central portion 30b is lower than the top surface of the battery side portions 30a, so as to form a clearance groove 30c between the two battery side portions 30a and the battery central portion 30b, which runs through the length direction of the vehicle beam 20 and has an open top for avoiding the vehicle beam 20. The battery side portions 30a are detachably connected to the mounting structure 3, and the top of the battery central portion 30b has a docking portion 30d for docking with the docking structure 6.

[0213] Thus, by setting the top surface of the battery center portion 30b lower than the top surface of the battery side portions 30a, a clearance groove 30c is formed between the two battery side portions 30a and the battery center portion 30b. Thus, when the battery 30 is actually installed, the clearance groove 30c can be used to avoid interference with the vehicle beam 20, thereby fully utilizing the space on both sides of the width of the vehicle beam 20 to install the battery 30. This allows the overall size of the battery 30 to be increased, thereby improving the size and energy density of the battery 30.

[0214] The battery side portion 30a is detachably connected to the mounting structure 3, and the top of the battery center portion 30b has a docking portion 30d. This allows the docking structure 6 and the mounting structure 3 to be dispersed, avoiding a centralized connection point. This reduces assembly difficulty and facilitates meeting mounting and docking requirements. Furthermore, when both battery side portions 30a are connected to the mounting structure 3, the mounting reliability and stability of the battery 30 are improved.

[0215] It is worth noting that the docking part 30d is arranged at the top of the central part 30b of the battery, so that when the battery 30 moves from bottom to top along the height direction of the vehicle 1000, the docking part 30d of the battery 30 can be easily docked with the docking structure 6 between the two longitudinal beams 201, which is conducive to reducing the difficulty of battery replacement operation, improving battery replacement efficiency, and saving the space required for battery replacement operation.

[0216] For example, as shown in FIG3 , when the extension portions 2 are provided on both sides of the vehicle beam 20 in the width direction (the second direction Y shown in FIG3 ) and the battery 30 is mounted on the vehicle beam 20 , at least a portion of the vehicle beam 20 is located within the clearance groove 30 c and above the battery central portion 30 b , and the two battery side portions 30 a can be mounted respectively within the battery mounting spaces 4 on both sides in the width direction of the vehicle beam 20 , thereby fully utilizing the space in the width direction of the vehicle beam 20 to accommodate a larger battery 30 .

[0217] Furthermore, when the docking interface of the docking structure 6 is set downward, the battery 30 can be docked with the docking structure 6 while being mounted on the mounting structure 3 from bottom to top. In this way, the docking space when the battery 30 is docked with the vehicle 1000 is arranged along the height direction of the vehicle 1000, and since the battery 30 is mounted on the vehicle 1000, the battery replacement moving space of the battery 30 is also arranged along the height direction of the vehicle 1000, so that the docking direction of the battery 30 can coincide with the battery replacement moving direction, and there is no need to set up an additional docking space in the length or width direction of the vehicle 1000, so as to improve space utilization, and the battery 30 battery replacement and battery 30 docking can be carried out simultaneously, thereby improving the battery replacement efficiency.

[0218] The battery side portion 30a can be connected to the mounting structure 3 by, but is not limited to, bolting, snap-fitting, plugging, or magnetic engagement. Furthermore, the battery side portion 30a can be connected to the mounting structure 3 at the top, middle, or bottom. For example, the top of the battery side portion 30a can be positioned higher than the bottom surface of the vehicle beam 20, while the bottom of the battery side portion 30a can be positioned lower than the bottom surface of the vehicle beam 20, thereby fully utilizing the space on both sides of the width of the vehicle beam 20.

[0219] In recent years, battery swapping has become an important way for commercial electric vehicles to replenish energy in certain application scenarios such as logistics, docks, and mines. The construction of battery swap stations has also begun to accelerate. To ensure universal interchangeability of battery swaps, battery swap stations, charging equipment, and other battery swap facilities can be fully utilized to reduce resource waste.

[0220] This application proposes some embodiments of chassis-type battery swapping to improve the compatibility and interchangeability of battery swapping. However, the following embodiments are not limited to pure electric vehicles and can be used for reference in other types of battery swapping vehicles.

[0221] In some embodiments, the operating voltage range of the battery replacement system is: 400V~750V.

[0222] 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 frame should be a flat surface with no convex structures, and the flatness should be less than 4mm.

[0223] In some embodiments, the dimensional tolerance of the battery replacement system is within ±10 mm.

[0224] In some embodiments, the weight M1 of the vehicle and the battery charge Q in the battery swap system satisfy: 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.

[0225] In some embodiments, as shown in Figures 9-10, the battery swap system should be replaced on a vehicle with a corresponding envelope space, and the battery size in the battery swap system is indicated in Figures 11-12.

[0226] In some embodiments, referring to Figures 9-12, a safety gap L0 is reserved between the front and rear end faces of the battery replacement system and the entire vehicle, and L0 ≥ 50mm.

[0227] In some embodiments, referring to Figures 9-12, the dimension L of the battery replacement system along the vehicle length direction satisfies: 700mm≤L≤900mm; or 1500mm≤L≤1700mm; or 2300mm≤L≤2500mm; or 3100mm≤L≤3300mm.

[0228] In some embodiments, referring to Figures 9-12, the dimension W of the battery replacement system along the vehicle width direction satisfies: 2300mm≤W≤2550mm.

[0229] In some embodiments, referring to Figures 9-12, the total height H of the battery replacement system satisfies: H≤680mm.

[0230] In some embodiments, referring to Figures 9-12, the length dimension L1 of the upper boss of the battery replacement system (such as the upper part of the battery) satisfies: 600mm≤L1≤700mm.

[0231] In some embodiments, referring to Figures 9-12, the width dimension W1 of the bosses on both sides of the upper layer of the battery replacement system (such as the upper part of the battery side 30a) satisfies: W1≤805mm.

[0232] In some embodiments, referring to Figures 9-12, the width dimension W2 of the upper middle boss of the battery replacement system (such as the upper part of the battery in the central part 30a of the battery) satisfies: W2≤640mm.

[0233] In some embodiments, referring to Figures 9-12, the height dimension H1 of the bosses on both sides of the upper layer of the battery replacement system (such as the upper part of the battery side 30a) satisfies: H1≤300mm.

[0234] In some embodiments, referring to Figures 9-12, the height dimension H2 of the upper middle boss of the battery replacement system (such as the upper part of the battery center 30a) satisfies: H2≤150mm.

[0235] At present, the application scenarios of heavy-duty electric vehicles mainly include trunk logistics, medium and short-distance operations (such as urban 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 matched to suit different scenarios. For example, if the power of the standard battery swap system is around 150-200kWh, three standard battery swap battery systems (referred to as three packages), or two standard battery swap battery systems (referred to as double packages), or a single standard battery swap battery system (referred to as single package) can be used to meet the power demand.

[0236] 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. The 6x4 tractor trucks and 8x4 dump trucks have relatively short wheelbases, while other models are compatible. Regarding 6x4 tractor trucks, the wheelbase of traditional gasoline trucks is 3300mm, which is ideal, but currently cannot accommodate a large battery capacity. For rear-mounted battery swap models, the wheelbase is currently extended to 3800mm, but this space cannot accommodate the target battery capacity. Currently, we are promoting clients to extend the wheelbase to 4200mm, and then break down the battery space based on this wheelbase. Regarding 8x4 dump trucks, there are both urban and mining applications. For mining applications, the longer wheelbase of 8x4 dump trucks ensures transport capacity, and the increased wheelbase allows for the required battery capacity. The wheelbase of traditional fuel vehicles in urban 8*4 dump trucks is 2500~2600mm, and this space cannot accommodate the target power. For models with rear-mounted battery swapping, the wheelbase is extended to 3200~3300mm. Chassis battery swapping can be based on this extended wheelbase to decompose the battery space.

[0237] The space limiting factors at the front end of the battery include: leaf springs and their brackets. Considering heavy loads, the industry generally has a space of around 1600 to 1800 mm (900 mm on one side). The space limiting factors at the rear end of the battery include: fenders, which are about 700 mm away from the center of the wheel. A 50 mm safety gap is reserved at the front and rear ends of the battery. The envelope size of the battery swap system for a 6*4 tractor is approximately 4200-900-700-100 = 2500 mm (three packages), and the envelope size of the battery swap system for an 8*4 dump truck is approximately 3300-900-700-100 = 1600 mm (two packages). Based on the envelope space of the above two battery swap systems, considering the 20 to 30 mm gap between the battery swap systems, the length envelope size of each battery swap system is approximately 700 to 820 mm.

[0238] When designing the width envelope of the battery swap system, it is sufficient to consider not exceeding the vehicle width required by regulations. For example, the width of a heavy-duty electric truck is 2550mm.

[0239] When designing the height envelope size of the battery swap system, it is considered that a 20mm gap is maintained between the upper end of the battery swap system and the upper wing surface of the vehicle beam, and a ground clearance of 300mm or more or 400mm is maintained between the bottom of the battery swap system and the ground. The height of the upper wing surface of the vehicle beam from the ground is generally 1000-1100mm. Therefore, the height envelope size of the battery swap system is approximately 580-780mm.

[0240] Furthermore, in order to improve the compatibility and interchangeability of battery replacement, the present application also proposes some embodiments of the battery mounting bracket 10.

[0241] In some embodiments, referring to FIG. 13 , in the longitudinal direction of the vehicle (eg, the first direction X), the length of the battery mounting space 4 is Y1 and satisfies: 620 mm ≤ Y1 ≤ 720 mm.

[0242] In some embodiments, referring to FIG. 13 , in the width direction of the vehicle (eg, the second direction Y), the width of the battery mounting space 4 is N1 and satisfies: 690 mm ≤ N1 ≤ 815 mm.

[0243] In some embodiments, referring to FIG. 13 , in the width direction of the vehicle (eg, the second direction Y), the minimum width between the two second main body walls 12 (or the width of the avoidance opening 15 ) is N2 and satisfies: 660 mm ≤ N2 ≤ 680 mm.

[0244] In some embodiments, referring to Figure 14, in the width direction of the vehicle (such as the second direction Y), the total width of the battery mounting rack 10 is P, and in the length direction of the vehicle (such as the first direction X), the total length of the battery mounting rack 10 is R, and satisfies: 2300mm≤P≤2550mm, 700mm≤R≤900mm (for example, there is only one battery mounting space 4), or 1500mm≤R≤1700mm (for example, there are two battery mounting spaces 4), or 2300mm≤R≤2500mm (for example, there are three battery mounting spaces 4), or 3100mm≤R≤3300mm (for example, there are four battery mounting spaces 4).

[0245] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A battery mounting rack, wherein: include: A frame body, the frame body being suitable for being mounted on a vehicle body; A mounting structure, which is integrated on the frame body and is used to mount a battery; A docking structure is also integrated on the frame body and is used to connect the vehicle body and dock the battery so that the battery and the vehicle body form an electrical circuit and / or a fluid path connection.

2. The battery mounting rack according to claim 1, wherein: The frame body comprises: A main body, the main body is suitable for being mounted on the vehicle body, and the docking structure is provided on the main body; An extension portion, one end of which is connected to the main body portion, and the other end of which extends in a direction away from the main body portion, and the mounting structure is arranged on the extension portion.

3. The battery mounting rack according to claim 2, wherein: The main body comprises a beam avoidance groove, the beam avoidance groove has an opening penetrating along a first direction, and the docking structure is located in the beam avoidance groove.

4. The battery mounting rack according to claim 3, wherein: The main body portion includes a plurality of first main body walls spaced apart along the first direction, an escape opening is formed between two adjacent first main body walls, and the docking interface of the docking structure is higher than the first main body wall and is arranged corresponding to the escape opening.

5. The battery mounting rack according to claim 4, wherein: The docking structure includes a load-bearing frame and a docking device, the load-bearing frame includes a load-bearing portion and a leg portion, the docking device is arranged on the load-bearing portion, and the leg portion extends from both ends of the load-bearing portion in the first direction toward the first main body wall and is connected to the first main body wall.

6. The battery mounting rack according to claim 5, wherein: The bearing portion has a first weight-reducing structure, and / or a first reinforcement structure is provided at a connection between the leg portion and the bearing portion.

7. The battery mounting rack according to claim 5 or 6, wherein: The supporting frame is an integrally formed part and is assembled and connected with the first main body wall.

8. The battery mounting rack according to any one of claims 4 to 7, wherein: The avoidance openings are multiple and spaced apart along the first direction, and each of the avoidance openings is correspondingly provided with the docking structure.

9. The battery mounting rack according to any one of claims 4 to 8, wherein: The main body portion includes a second main body wall extending along the first direction, wherein there are two second main body walls and the second main body walls are spaced apart from each other along a second direction intersecting the first direction, and the two second main body walls are connected at both ends of each first main body wall in the second direction to form the vehicle beam avoidance groove with an open top between the first main body wall and the second main body wall, and the extension portion is connected to the second main body wall and is located on a side of the second main body wall away from the first main body wall in the second direction.

10. The battery mounting rack according to any one of claims 2 to 9, wherein: A plurality of the extension parts are arranged at intervals along a first direction on one side of the main body, and a battery mounting space is defined between two adjacent extension parts.

11. The battery mounting rack according to claim 10, wherein: One side of the main body is provided with a plurality of battery mounting spaces spaced apart along the first direction, the docking structures are multiple and spaced apart along the first direction, and the plurality of docking structures and the plurality of battery mounting spaces are arranged opposite to each other along a second direction intersecting the first direction.

12. The battery mounting rack according to claim 10 or 11, wherein: The mounting structure is arranged on a side of the extending portion facing the battery mounting space.

13. The battery mounting rack according to claim 12, wherein: At least one of the extension portions located in the middle among the multiple extension portions arranged along the first direction is a common extension portion, and the common extension portion has the battery mounting space on both sides of the length direction of the main body, and the mounting structures are arranged on both sides of the battery mounting space facing both sides of the common extension portion.

14. The battery mounting rack according to claim 13, wherein: The orthographic projections of the mounting structures on both sides of the common extension portion on a projection plane perpendicular to the first direction are misaligned.

15. The battery mounting rack according to any one of claims 12 to 14, wherein: The mounting structures are provided on the extension portions on both sides of the battery mounting space in the first direction.

16. The battery mounting rack according to claim 15, wherein: The orthographic projections of the mounting structures on both sides of the battery mounting space on a projection plane perpendicular to the first direction are misaligned.

17. The battery mounting rack according to any one of claims 12 to 16, wherein: A plurality of the mounting structures are provided on one side of the extension portion facing the battery mounting space, and at least two of the mounting structures are spaced apart along the length direction of the extension portion.

18. The battery mounting rack according to any one of claims 12 to 17, wherein: The extension portion includes a mounting edge protruding toward the battery mounting space, and the mounting structure is located on the mounting edge.

19. The battery mounting rack according to claim 18, wherein: The mounting edge is located at the lower edge of the extending portion in the height direction.

20. The battery mounting rack according to claim 18 or 19, wherein: The length direction of the mounting edge is the same as the extension direction of the extension portion; wherein, the mounting edge is provided with a plurality of mounting structures arranged at intervals along the length direction of the mounting edge, or the mounting structure on the mounting edge is configured as one and extends along the length direction of the mounting edge.

21. The battery mounting rack according to any one of claims 11 to 20, wherein: The battery mounting frame further includes a reinforcing portion, and the reinforcing portion is used to connect at least two of the extending portions located on the same side of the main body portion.

22. The battery mounting rack according to any one of claims 10 to 21, wherein: The extension portions are respectively arranged at both sides of the main body in a second direction intersecting the first direction.

23. The battery mounting rack according to claim 22, wherein: The extending directions of the extending portions on both sides of the main body in the second direction are the same, and the orthographic projections of the projections of the extending portions on both sides of the main body in the second direction along the extending direction coincide with each other.

24. The battery mounting rack according to any one of claims 2 to 23, wherein: The height of the extension portion decreases along a direction away from the main body portion.

25. The battery mounting rack according to claim 24, wherein: The mounting structure is located at the lower edge of the extension portion, the lower edge of the extension portion extends along a horizontal line, and the upper edge of the extension portion has a decreasing trend in a direction away from the main body portion.

26. The battery mounting rack according to any one of claims 2 to 25, wherein: The extension portion is provided with a second weight-reducing structure and / or a second reinforcement structure.

27. A vehicle frame assembly, wherein: include: A vehicle beam, the vehicle beam comprising two longitudinal beams extending in a first direction and spaced apart in a second direction; The battery mounting rack as described in any one of claims 1-26, wherein the rack body is mounted to the vehicle beam, and the docking structure is located between the two longitudinal beams.

28. The frame assembly of claim 27, wherein: The docking interface of the docking structure is higher than the bottom surface of the longitudinal beam and is arranged downward.

29. A vehicle, wherein: It comprises a battery and a frame assembly as claimed in claim 27 or 28, wherein the battery is mounted on the mounting structure and docked with the docking structure.

30. The vehicle of claim 29, wherein: The battery includes two battery side portions and a battery central portion. In the width direction of the vehicle beam, the two battery side portions are respectively located on both sides of the battery central portion, and the top surface of the battery central portion is lower than the top surface of the battery side portions, so as to form a clearance groove that runs through the length direction of the vehicle beam and has an open top for avoiding the vehicle beam between the two battery side portions and the battery central portion. The battery side portions are detachably connected to the mounting structure, and the top of the battery central portion has a docking portion that docks with the docking structure.

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