Battery swap chassis and vehicle

Abstract

This application provides a battery swapping chassis and vehicle. The battery swapping chassis includes a frame assembly, a battery device, and a door assembly. The door assembly includes a drive device and a door panel. The door assembly has a closed state and an open state. In the closed state, the door panel and the frame assembly form a receiving space, with the side of the receiving space away from the frame assembly open. At least a portion of the battery device is located within the receiving space, and at least a portion of the door panel is located on the side of the battery device along a second direction. In the open state, the frame assembly forms an access channel along a first direction, which is used for the battery device to enter and exit the space on the side of the frame assembly along the first direction along the second direction. The drive device can drive the door panel to move. The battery swapping chassis in this application embodiment is beneficial for expanding the space for the battery device to move with the battery swapping equipment during battery swapping operations, reducing the probability of interference during battery swapping operations, and improving the efficiency of battery swapping operations.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, specifically to a battery swapping chassis and vehicle. Background Technology

[0002] In related technologies, after a vehicle enters a battery swapping station, the battery swapping equipment is removed from the bottom of the vehicle to replace the battery, thereby realizing the battery swapping operation.

[0003] In some cases, due to the vehicle's chassis height limitations, during the process of the battery swapping equipment entering the vehicle's underside to remove the battery device or leaving the vehicle after removing the battery device, the battery swapping equipment and battery device are prone to interfering with other parts of the vehicle in the horizontal direction, which adversely affects the efficiency of the battery swapping operation. Utility Model Content

[0004] In view of this, the embodiments of this application aim to provide a battery swapping chassis and vehicle that are conducive to battery swapping operations at different heights.

[0005] To achieve this objective, the technical solution of this application embodiment is implemented as follows:

[0006] This application provides a battery swapping chassis, including:

[0007] Chassis components;

[0008] The battery unit is detachably connected to the vehicle frame assembly;

[0009] A door assembly includes a drive unit and a door panel, the door assembly having a closed state and an open state. In the closed state, the door panel is in a closed position to enclose a receiving space with the frame assembly, the receiving space being open on one side of the frame assembly along a first direction and away from the frame assembly, at least a portion of the battery device being located within the receiving space, and at least a portion of the door panel being located on one side of the battery device along a second direction, the first direction being perpendicular to the second direction. In the open state, the door panel is in an open position to form an access passage on one side of the frame assembly along the first direction, the access passage being for the battery device to enter and exit the space on one side of the frame assembly along the first direction along the second direction. The drive unit is capable of driving the door panel to move between the closed position and the open position.

[0010] The battery swapping chassis in this embodiment switches between a closed state and an open state via a door assembly. On the one hand, the door panel protects the battery device; on the other hand, it allows the battery device to enter and exit the space on one side of the frame assembly through the access channel formed after the door panel is opened. This expands the space for the battery device to move with the battery swapping equipment during battery swapping operations, reduces the probability of interference during battery swapping operations, improves the efficiency of battery swapping operations, and is applicable to battery swapping chassis and equipment of different sizes.

[0011] In some embodiments, the open position is located on the side of the closed position closer to the frame assembly along the first direction. This increases the space available for the battery pack to move with the battery swapping equipment during the swapping operation, further improving the convenience of the swapping process.

[0012] In some embodiments, in the open state, in a projection plane perpendicular to the second direction, the projection of the battery device along the second direction is outside the projection range of the door panel along the second direction. This facilitates increasing the size of the access passage, allows for easier translation of the battery device along the second direction, and improves the efficiency of battery swapping operations.

[0013] In some embodiments, the driving device includes a driving assembly, a first link, and a second link. One end of the first link is rotatably engaged with a first position of the frame assembly, and the other end is hinged to a second position of the door panel. One end of the second link is hinged to a third position of the frame assembly, and the other end is hinged to a fourth position of the door panel. The first position and the third position are spaced apart, and the second position and the fourth position are also spaced apart. The driving assembly drives the first link to rotate. This allows for a larger range of motion of the door panel in the first direction while reducing its range of motion in the second direction, thus reducing the risk of the door panel colliding with external objects in the second direction during movement.

[0014] In some embodiments, the frame assembly includes a mounting bracket and a protective plate. The first and third positions are located on the mounting bracket, the battery device is located on one side of the mounting bracket along the first direction, and the protective plate includes a side protection portion located on one side of the mounting bracket along the second direction. Both the first and second links are hinged to the mounting bracket. Thus, the side protection portion protects the hinged positions of the first and second links, reducing the risk of damage to these hinged positions from impacts by external objects.

[0015] In some embodiments, a portion of at least one of the first and second links is bent to form a clearance space, one side of which is open. In the open state, the door panel is located on the side of the side protection portion away from the mounting bracket, and a portion of the side protection portion is located within the clearance space through the open position of the clearance space. This increases the protection range of the side protection portion over the respective hinged positions of the first and second links, reducing the risk of interference between the movement of the first and second links and the side protection portion.

[0016] In some embodiments, the drive assembly includes a gear, a rack, and a driver. The gear is rotatably connected to the first position, the first connecting rod is fixedly connected to the gear, the rack meshes with the gear, and the driver can drive the rack to extend or retract. Thus, using a gear and rack transmission method results in a simple and compact transmission structure, which helps reduce space occupation and allows for the output of a larger torque to drive the first connecting rod to rotate promptly.

[0017] In some embodiments, the number of door assemblies is at least two, and in the closed state, the two door panels are respectively located on one side of opposite sides of the battery device along the second direction. This allows the battery device to enter and exit one side of the frame assembly space from both sides of the second direction, improving the convenience of battery swapping operations.

[0018] In some embodiments, the frame assembly includes a body longitudinal beam and a mounting bracket. The mounting bracket is fixed to one side of the body longitudinal beam along the second direction, the drive unit is disposed on the mounting bracket, and the battery unit is located on one side of the body longitudinal beam and the mounting bracket along the first direction. In this way, the loads of the mounting bracket, door panel, and drive unit are all transferred to the body longitudinal beam, which helps improve installation stability and the smoothness of door panel movement.

[0019] This application also provides a vehicle that includes a battery swapping chassis as described in any of the foregoing embodiments.

[0020] Thus, by adopting the battery swapping chassis in the aforementioned embodiments, it is beneficial to carry out battery swapping operations when the vehicle has a low ground clearance, which improves the convenience of replacing the vehicle's battery device. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a vehicle according to one embodiment of this application;

[0022] Figure 2 This is an exploded schematic diagram of a battery device in one embodiment of this application;

[0023] Figure 3This is a schematic diagram of a battery swapping chassis in one embodiment of this application;

[0024] Figure 4 for Figure 3 A schematic diagram of the Chinese embodiment from another perspective, showing the hatch assembly in the closed state and the door panel in the closed position;

[0025] Figure 5 for Figure 4 An enlarged view of position A in the middle;

[0026] Figure 6 for Figure 3 A schematic diagram of the Chinese embodiment from another perspective, showing the door assembly in the open state and the door panel in the open position;

[0027] Figure 7 for Figure 6 An enlarged view of position B in the middle.

[0028] Explanation of reference numerals in the attached figures

[0029] 1000, Vehicle; 100, Battery swapping chassis; 100a, Accommodation space; 100b, Access passage; 110, Frame assembly; 110a, First position; 110b, Third position; 111, Body longitudinal beam; 112, Mounting bracket; 113, Protective plate; 1131, Side protection; 1132, Top protection; 120, Battery assembly; 121, Housing; 1211, First housing; 1212, Second housing; 122. Battery cell; 130. Door assembly; 131. Drive unit; 1311. Drive assembly; 1311a. Driver; 1311b. Rack; 1311c. Gear; 1312. First link; 1312a. Clearance space; 1313. Second link; 132. Door panel; 132a. Second position; 132b. Fourth position; 133. Battery swapping connector; 200. Controller; 300. Motor. Detailed Implementation

[0030] It should be noted that, unless otherwise specified, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed descriptions in the specific implementation should be understood as explanations of the purpose of this application and should not be regarded as undue limitations on this application.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit this application; the terms “comprising” and “having”, and any variations thereof, in the specification and description of the drawings of this application are intended to cover non-exclusive inclusion.

[0032] In the description of the embodiments of this application, technical terms such as "first," "second," and "third" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0033] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0034] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0035] In the description of the embodiments of this application, for ease of explanation, as shown in the accompanying drawings, the direction of arrow X is referred to as the "first direction"; the direction of arrow Y is referred to as the "second direction"; and the direction of arrow Z is referred to as the "third direction".

[0036] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the terms in the embodiments of this application can be understood according to the specific circumstances.

[0037] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical term "contact" should be interpreted broadly, and can be direct contact, contact through an intermediate medium layer, contact between two contacting parties with substantially no interaction force, or contact between two contacting parties with interaction force.

[0038] See Figure 2The battery apparatus mentioned in the embodiments of this application may include one or more battery cell assemblies for providing voltage and capacity. A battery cell assembly may include multiple battery cells 122, which are connected in series, parallel, or mixed connections via a busbar.

[0039] In some embodiments, a battery cell assembly is typically formed by arranging multiple battery cells 122.

[0040] As an example, a battery cell assembly can be a battery module, which is formed by arranging and fixing multiple battery cells together to form an independent module. As another example, a battery module can be formed by bundling multiple battery cells together with cable ties.

[0041] In some embodiments, the battery device may be a battery pack, which includes a housing and one or more individual battery cells housed within the housing 121.

[0042] As an example, the battery cell assembly can be a battery module, which can be housed in a housing by fixing the battery module in the housing.

[0043] As an example, the battery cell assembly can also be housed in the housing by directly fixing multiple battery cells 122 to the housing.

[0044] As an example, see Figure 2 The housing 121 may include a first housing 1211 and a second housing 1212. The first housing 1211 and the second housing 1212 are fastened together to form a closed space inside the housing 121 to house the battery cell assembly. Here, "closed" refers to covering or closing, which can be sealed or unsealed. The first housing may be a top cover or a bottom plate.

[0045] As an example, the housing 121 may include a top cover, a frame, and a bottom plate. The top cover and the bottom plate are respectively connected to the frame, so that the interior of the housing forms an enclosed space to accommodate the battery cell assembly.

[0046] In some embodiments, the housing 121 may be part of the vehicle's chassis structure. For example, a portion of the housing 121 may be at least a portion of the vehicle's floor, or a portion of the housing 121 may be at least a portion of the vehicle's crossbeams and longitudinal beams.

[0047] In this embodiment of the application, the battery cell 122 can be a secondary battery. A secondary battery refers to a battery cell 122 that can be used again after being discharged by recharging to activate the active materials.

[0048] The battery cell 122 can be a lithium-ion battery, sodium-ion battery, sodium-lithium-ion battery, lithium metal battery, sodium metal battery, lithium-sulfur battery, magnesium-ion battery, nickel-metal hydride battery, nickel-cadmium battery, lead-acid battery, etc., and the embodiments of this application are not limited to this.

[0049] In the following embodiments, for ease of explanation, a vehicle 1000 is used as an example of an electrical device according to an embodiment of this application. The description is as follows, with reference to the accompanying drawings.

[0050] Figure 1 This is a schematic diagram of the structure of a vehicle 1000 provided in one embodiment of this application. The vehicle 1000 can be a gasoline-powered vehicle, a natural gas-powered vehicle, or a new energy vehicle. The new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle, or a range-extended electric vehicle, etc. Figure 1 As shown, a battery device 120 is installed inside the vehicle 1000. The battery device 120 can be located at the bottom, front, or rear of the vehicle 1000. The battery device 120 can be used to power the vehicle 1000; for example, the battery device 120 can serve as the operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300. The controller 200 is used to control the battery device 120 to supply power to the motor 300, for example, to meet the power needs of the vehicle 1000 during starting, navigation, and driving.

[0051] In some embodiments of this application, the battery device 120 can not only serve as the operating power source for the vehicle 1000, but also as the driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0052] The embodiments of this application will now be described in detail.

[0053] In related technologies, after a vehicle enters a battery swapping station, the battery swapping equipment in the station moves to the bottom of the vehicle to remove the original battery pack and replace it with a new one. The battery swapping equipment can be an RGV (Rail Guided Vehicle), an AGV (Automated Guided Vehicle), or similar equipment.

[0054] In some cases, the vehicle's chassis height is low, resulting in a small distance between the battery pack located at the bottom of the vehicle and the ground. When the battery swapping station lacks a trench for the movement of the swapping equipment, the limited vertical space allows for interference between the swapping equipment and other parts of the vehicle in the horizontal direction, negatively impacting the efficiency of the swapping operation.

[0055] Based on the aforementioned technical problems, this application aims to provide a battery swapping chassis and vehicle. The battery swapping chassis includes a door assembly, with the door panel located on one side of the battery device along a second direction. When the door assembly is in an open state, the door panel is in an open position, allowing one side of the frame assembly to form an access channel for the battery device to enter and exit the space on one side of the frame assembly along a first direction along the second direction. Thus, in the closed state, the door panel protects the battery device; in the open state, the battery swapping equipment of the swapping station can drive the battery device to move along the second direction. This helps reduce the risk of interference between the battery swapping equipment and the battery device and other parts of the vehicle, especially when the battery device has a low ground clearance.

[0056] Specifically, see Figure 3 , Figure 4 and Figure 6 This application provides a battery swapping chassis 100 for use in a vehicle 1000. The battery swapping chassis 100 includes a frame assembly 110, a battery device 120, and a door assembly 130.

[0057] The battery unit 120 is detachably connected to the frame assembly 110.

[0058] The door assembly 130 includes a drive unit 131 and a door panel 132. The door assembly 130 includes a closed state and an open state. In the closed state, the door panel 132 is in a closed position to form a receiving space 100a with the frame assembly 110. The receiving space 100a is open on one side of the frame assembly 110 along a first direction and on the side away from the frame assembly 110. At least a portion of the battery device 120 is located within the receiving space 100a. At least a portion of the door panel 132 is located on one side of the battery device 120 along a second direction. The first direction is perpendicular to the second direction. In the open state, the door panel 132 is in an open position to form an access passage 100b on one side of the frame assembly 110 along the first direction. The access passage 100b is used for the battery device 120 to enter and exit the space on one side of the frame assembly 110 along the first direction along the second direction. The drive unit 131 is capable of driving the door panel 132 to move between the closed position and the open position.

[0059] During normal operation of the vehicle 1000, the battery device 120 and the frame assembly 110 are fixedly connected so that the battery device 120 can stably supply power to other electrical equipment in the vehicle 1000. During the battery swapping operation, the battery device 120 can be separated from the frame assembly 110 so that the battery swapping equipment can take away the separated battery device 120 and connect the new battery device 120 to the frame assembly 110.

[0060] The frame assembly 110 is the main load-bearing structure of the battery swapping chassis 100 and is used to provide mounting positions for other devices of the battery swapping chassis 100, such as wheel axles, drive motors and other devices.

[0061] The specific method by which the battery device 120 and the frame assembly 110 are detachably connected is not limited. For example, the frame assembly 110 is provided with a threaded hole, the battery device 120 is provided with a through hole, and a screw or bolt passes through the through hole of the battery device 120 and then engages with the threaded hole on the frame assembly 110.

[0062] The closed position refers to the spatial position of the door panel 132 when it is closed; the open position refers to the spatial position of the door panel 132 when it is open. It is understandable that the closed position and the open position are different.

[0063] In the closed state, the door panel 132 and the frame assembly 110 provide a certain degree of protection for the battery device 120 by forming a receiving space 100a. It is understood that under normal driving conditions, the door assembly 130 is in the closed state, and the door panel 132 blocks the impact of foreign objects on the battery device 120.

[0064] The accommodating space 100a is open on the side away from the frame assembly 110, which helps to reduce the overall size of the battery swapping chassis 100 along the first direction.

[0065] Understandably, in the closed state, the door panel 132 can block the battery device 120 in the second direction so that even when the battery device 120 is separated from the frame assembly 110, the battery device 120 cannot move away from the frame assembly 110 in the second direction.

[0066] In the open state, the door panel 132 no longer obstructs the battery device 120 along the second direction, so that after the battery device 120 is separated from the frame assembly 110, it can leave the space on the side of the frame assembly 110 along the first direction where the original battery device 120 was located through the formed access channel 100b along the second direction, and the new battery device 120 can enter the space on the side of the frame assembly 110 along the first direction through the access channel 100b along the second direction, and then connect with the frame assembly 110.

[0067] The door panel 132 is moved by the drive device 131, so that the door assembly 130 switches between the closed state and the open state.

[0068] The battery swapping chassis 100 in this embodiment can switch between a closed state and an open state via the door assembly 130. On the one hand, the door panel 132 can protect the battery device 120; on the other hand, it allows the battery device 120 to enter and exit the space on one side of the frame assembly 110 through the entry and exit channel 100b formed after opening the door panel 132. This is beneficial for expanding the space for the battery device 120 to move with the battery swapping equipment during battery swapping operations, reducing the probability of interference during battery swapping operations, improving the efficiency of battery swapping operations, and making it suitable for battery swapping chassis 100 and battery swapping equipment of different sizes.

[0069] In some embodiments, the first direction is the height direction, and the battery device 120 is located on the bottom side of the frame assembly 110. Thus, the open side of the accommodating space 100a away from the frame assembly 110 helps to lower the center of gravity of the battery swapping chassis 100.

[0070] In some embodiments, see Figure 4 and Figure 6 The open position is located on the side of the frame assembly 110 along the first direction from the closed position.

[0071] In other words, during the transition from the closed state to the open state, the door panel 132 moves toward the frame assembly 110 in the first direction, and the resulting access passage 100b is connected to the open position of the accommodating space 100a in the closed state.

[0072] This increases the space for the battery device 120 to move with the battery swapping equipment during battery swapping operations, further improving the convenience of battery swapping operations.

[0073] In some embodiments, see Figure 4 and Figure 6 The open position is located on the side away from the battery device 120 along the second direction from the closed position.

[0074] This reduces the risk of interference between the door panel 132 and the battery device 120 during movement.

[0075] In some embodiments, see Figure 3 The drive unit 131 is located on the frame assembly 110.

[0076] This helps reduce the risk of interference between the drive device 131 and the battery device 120 during the transition between the off and on states, and also helps reduce the probability of interference between the drive device 131 and the battery swapping equipment in the on state.

[0077] In some embodiments, see Figure 6 and Figure 7 In the open state, in the projection plane perpendicular to the second direction, the projection of the battery device 120 along the second direction is outside the projection range of the door panel 132 along the second direction.

[0078] This allows for an increase in the size of the access channel 100b, facilitating the translational movement of the battery device 120 along the second direction and improving the efficiency of the battery swapping operation.

[0079] The specific method by which the drive device 131 drives the door panel 132 to move is not limited.

[0080] For example, see Figure 5 The drive unit 131 includes a drive assembly 1311, a first link 1312, and a second link 1313. One end of the first link 1312 is rotatably engaged with a first position 110a of the frame assembly 110, and the other end is hinged to a second position 132a of the door panel 132. One end of the second link 1313 is hinged to a third position 110b of the frame assembly 110, and the other end is hinged to a fourth position 132b of the door panel 132. The first position 110a and the third position 110b are spaced apart, and the second position 132a and the fourth position 132b are spaced apart. The drive assembly 1311 drives the first link 1312 to rotate.

[0081] The first link 1312 is rotatable relative to the frame assembly 110 and relative to the door panel 132; the second link 1313 is rotatable relative to the frame assembly 110 and relative to the door panel 132. The first link 1312, the second link 1313, the door panel 132, and the frame assembly 110 together form a double crank mechanism.

[0082] This is beneficial to increase the range of motion of the door panel 132 in the first direction while reducing the range of motion of the door panel 132 in the second direction, which helps to reduce the risk of the door panel 132 colliding with external objects in the second direction during movement.

[0083] In some embodiments, the rotation axis of the first link 1312 relative to the frame assembly 110, the rotation axis of the first link 1312 relative to the door panel 132, the rotation axis of the second link 1313 relative to the frame assembly 110, and the rotation axis of the second link 1313 relative to the door panel 132 are parallel to each other and extend along a third direction. The first direction, the second direction, and the third direction are relative to each other, so that the movement trajectory of the door panel 132 can be fixed.

[0084] The minimum distance between the axis of rotation of the first link 1312 relative to the frame assembly 110 and the axis of rotation of the first link 1312 relative to the door panel 132 is the first distance. The minimum distance between the axis of rotation of the second link 1313 relative to the frame assembly 110 and the axis of rotation of the second link 1313 relative to the door panel 132 is the second distance. The first distance and the second distance can be the same or different.

[0085] In some embodiments, see Figure 5 The second position 132a and the fourth position 132b are located on the inner side of the door panel 132 along the second direction, close to the battery swapping chassis 100. This helps to reduce the risk of damage to the hinge positions of the first link 1312 and the second link 1313 with the door panel 132 due to impact from external objects during the movement of the door panel 132.

[0086] In some embodiments, see Figure 3 , Figure 4 and Figure 5 The frame assembly 110 includes a mounting bracket 112 and a protective plate 113. The first position 110a and the third position 110b are located on the mounting bracket 112. The battery device 120 is located on one side of the mounting bracket 112 along a first direction. The protective plate 113 includes a side protection portion 1131, which is located on one side of the mounting bracket 112 along a second direction. The first link 1312 and the second link 1313 are both hinged to the mounting bracket 112.

[0087] Thus, the side protection part 1131 can protect the hinge positions of the first link 1312 and the second link 1313 respectively, reducing the risk of damage to the hinge positions of the first link 1312 and the second link 1313 with the mounting bracket 112 caused by impact from external objects.

[0088] In some embodiments, see Figure 5 The protective plate 113 also includes a top protective portion 1132, at least a portion of which is located on the side of the mounting bracket 112 away from the battery device 120 and connected to the side protective portion 1131. This helps to reduce the probability of an external object colliding with the hinged positions of the first link 1312 and the second link 1313 with the mounting bracket 112 in the first direction.

[0089] In some embodiments where the protective plate 113 is provided, see [reference]. Figure 5 and Figure 7 The drive assembly 1311 is mounted on the mounting bracket 112 so that the protective plate 113 can provide a certain degree of protection for the drive assembly 1311 and reduce the probability of the drive assembly 1311 being damaged by impact from external objects.

[0090] In some embodiments, see Figure 5 and Figure 7 A portion of at least one of the first link 1312 and the second link 1313 is bent to form a clearance space 1312a. One side of the clearance space 1312a is open. In the open state, the door panel 132 is located on the side of the side protection part 1131 away from the mounting bracket 112. A portion of the side protection part 1131 is located within the clearance space 1312a through the open position of the clearance space 1312a.

[0091] In other words, at least one of the first link 1312 and the second link 1313 is not a straight rod.

[0092] This increases the protection range of the side protection part 1131 for the respective hinge positions of the first link 1312 and the second link 1313, and reduces the risk of interference between the movement of the first link 1312 and the movement of the second link 1313 and the side protection part 1131.

[0093] The specific form of the driver component 1311 is not limited.

[0094] For example, see Figure 5 The drive assembly 1311 includes a gear 1311c, a rack 1311b, and a driver 1311a. The gear 1311c is rotatably connected to the first position 110a, the first connecting rod 1312 is fixedly connected to the gear 1311c, the rack 1311b meshes with the gear 1311c, and the driver 1311a can drive the rack 1311b to extend and retract.

[0095] It is understandable that the axis of rotation of gear 1311c is the same axis of rotation of the first link 1312 relative to the frame assembly 110.

[0096] Thus, the transmission method using gear 1311c and rack 1311b results in a simple and compact transmission structure, which helps to reduce space occupation and output a larger torque so as to drive the first connecting rod 1312 to rotate in a timely manner.

[0097] In some embodiments, the battery swapping chassis 100 also includes an air source that can supply air to the braking system of the vehicle 1000 to enable the vehicle 1000 to stop.

[0098] The specific type of driver 1311a is not limited.

[0099] For example, the driver 1311a is a linear cylinder, the cylinder body of which is fixed to the mounting bracket 112, and the piston rod is fixed to the rack 1311b. Using a linear cylinder allows for direct use of the existing air source in the battery swapping chassis 100, which helps to simplify the structure of the battery swapping chassis 100 and reduce the number of parts.

[0100] The specific type of air source is not limited, such as an air pump or air tank. The controller 200 of the vehicle 1000 controls the on / off connection between the air source and the linear cylinder by controlling the solenoid valve.

[0101] In some embodiments, there are multiple drive devices 131, which are located on the same side of the frame assembly 110 along the second direction and are arranged along the third direction, so that the door panel 132 is subjected to uniform force during movement, which helps to keep the movement of the door panel 132 stable.

[0102] In some embodiments, see Figure 3 The number of door assemblies 130 is at least two, and in the closed state, the two door panels 132 are located on one side of opposite sides of the battery assembly 120 along the second direction.

[0103] In this way, the battery device 120 can enter and exit one side of the frame assembly 110 from both sides in the second direction, which helps to improve the convenience of battery swapping operations.

[0104] In some embodiments, see Figure 3 , Figure 4 and Figure 6 The frame assembly 110 includes a body longitudinal beam 111 and a mounting bracket 112. The mounting bracket 112 is fixed to one side of the body longitudinal beam 111 along a second direction. The drive unit 131 is disposed on the mounting bracket 112. The battery unit 120 is located on one side of the body longitudinal beam 111 and the mounting bracket 112 along a first direction.

[0105] The longitudinal beam 111 of the vehicle body, also known as the main beam, is the main load-bearing structure of the frame assembly 110.

[0106] In this way, the loads of the mounting bracket 112, door panel 132 and drive unit 131 are all transferred to the vehicle body longitudinal beam 111, which helps to improve installation stability and the smoothness of the movement of door panel 132.

[0107] The vehicle body longitudinal beam 111 extends along the third direction.

[0108] In some embodiments, see Figure 3 The battery swapping chassis 100 includes a battery swapping connector 133, and the number of body longitudinal beams 111 is at least two and the two body longitudinal beams 111 are spaced apart along a second direction. The battery swapping connector 133 is located between the two body longitudinal beams 111 and can be electrically connected to the battery device 120 to transmit electrical energy.

[0109] In this way, by utilizing the space between the longitudinal beams 111 of the vehicle body to arrange the battery swapping connector 133, the space between the longitudinal beams 111 of the vehicle body can be effectively utilized, thereby improving the space utilization rate.

[0110] The battery swapping connector 133 is provided with a medium channel. When the battery device 120 is connected to the vehicle frame assembly 110, the medium channel can communicate with the heat exchange channel of the heat exchange component in the battery device 120, so that the heat exchange medium can flow between the medium channel and the heat exchange channel.

[0111] The battery swapping connector 133 is installed on the longitudinal beam 111 of the vehicle body.

[0112] The battery swapping chassis 100 in one embodiment of this application is as follows:

[0113] The battery swapping chassis 100 includes a frame assembly 110, a battery pack 120, and a door assembly 130. The battery pack 120 is detachably connected to the frame assembly 110. The door assembly 130 includes a drive unit 131 and a door panel 132. The door assembly 130 has a closed state and an open state. In the closed state, the door panel 132 is in a closed position to form a receiving space 100a with the frame assembly 110. The receiving space 100a is open on one side of the frame assembly 110 along a first direction and on the side away from the frame assembly 110. At least a portion of the battery assembly 120 is located within the receiving space 100a, and at least a portion of the door panel 132 is located on one side of the battery assembly 120 along a second direction, the first direction being perpendicular to the second direction. In the open state, the door panel 132 is in an open position such that the frame assembly 110 forms an access passage 100b along one side of the first direction. The access passage 100b is used for the battery assembly 120 to enter and exit the space along the first direction of the frame assembly 110 along the second direction. The drive device 131 is capable of driving the door panel 132 to move between a closed position and an open position. The open position is located on the side of the frame assembly 110 along the first direction from the closed position. In the open state, in a projection plane perpendicular to the second direction, the projection of the battery assembly 120 along the second direction is outside the projection range of the door panel 132 along the second direction. The drive unit 131 includes a drive assembly 1311, a first link 1312, and a second link 1313. One end of the first link 1312 is rotatably engaged with a first position 110a of the frame assembly 110, and the other end is hinged to a second position 132a of the door panel 132. One end of the second link 1313 is hinged to a third position 110b of the frame assembly 110, and the other end is hinged to a fourth position 132b of the door panel 132. The first position 110a and the third position 110b are spaced apart, and the second position 132a and the fourth position 132b are spaced apart. The drive assembly 1311 drives the first link 1312 to rotate. The frame assembly 110 includes a mounting bracket 112 and a protective plate 113. A first position 110a and a third position 110b are located on the mounting bracket 112. The battery assembly 120 is located on one side of the mounting bracket 112 along a first direction. The protective plate 113 includes a side protection portion 1131 located on one side of the mounting bracket 112 along a second direction. A first link 1312 and a second link 1313 are both hinged to the mounting bracket 112. A portion of at least one of the first link 1312 and the second link 1313 is bent to form a clearance space 1312a. One side of the clearance space 1312a is open. In the open state, the door panel 132 is located on the side of the side protection portion 1131 opposite to the mounting bracket 112. A portion of the side protection portion 1131 is located within the clearance space 1312a through its open position.The drive assembly 1311 includes a gear 1311c, a rack 1311b, and a driver 1311a. The gear 1311c is rotatably connected to a first position 110a, a first connecting rod 1312 is fixedly connected to the gear 1311c, the rack 1311b meshes with the gear 1311c, and the driver 1311a can drive the rack 1311b to extend and retract. There are at least two door assemblies 130. In the closed state, the two door panels 132 are located on one side of the battery unit 120 along a second direction. The frame assembly 110 includes a body longitudinal beam 111 and a mounting bracket 112. The mounting bracket 112 is fixed to one side of the body longitudinal beam 111 along the second direction, the drive unit 131 is located on the mounting bracket 112, and the battery unit 120 is located on one side of the body longitudinal beam 111 and the mounting bracket 112 along a first direction.

[0114] This application also provides a vehicle 1000, which includes a battery swapping chassis 100 as described in any of the foregoing embodiments.

[0115] Thus, by adopting the battery swapping chassis 100 in the aforementioned embodiments, it is beneficial to carry out battery swapping operations when the ground clearance of the vehicle 1000 is small, and it is beneficial to improve the convenience of replacing the battery device 120 of the vehicle 1000.

[0116] During the battery swapping operation, vehicle 1000 enters the pre-designated battery swapping area of ​​the station and interacts with the station's control equipment. Vehicle 1000 brakes to a stop and sends a stop ready signal to the control equipment. The control equipment then sends a power-off signal to vehicle 1000 based on the stop ready signal. Vehicle 1000, in turn, sends a power-off ready signal to the control equipment. The control equipment then sends a door assembly opening signal to vehicle 1000. Vehicle 1000 controls drive device 131 to move door panel 132, causing door assembly 130 to change from a closed state to an open state. Vehicle 1000 then sends a door assembly opening ready signal to the control equipment, which then controls the battery swapping equipment to enter through access channel 100b. The battery unit 120 is located in the space opposite to the frame assembly 110 in the first direction. The battery swapping equipment removes the original battery unit 120 and installs a new battery unit 120 and drives away from the vehicle 1000. The battery swapping equipment sends a battery swapping completion signal to the station control equipment. The station control equipment receives the battery swapping completion signal and sends a door assembly closing signal to the vehicle 1000. The vehicle 1000 controls the drive device 131 to drive the door panel 132 to move, so that the door assembly 130 changes from the open state to the closed state. The vehicle 1000 sends a door assembly closing ready signal to the station control equipment. The station control equipment sends a power-on signal to the vehicle 1000 according to the door assembly closing ready signal. The vehicle 1000 is powered on and leaves the battery swapping station after releasing the brake.

[0117] Understandably, the PLC (Programmable Logic Controller) in the battery swapping equipment can receive instructions from the station control equipment and feed back the specific execution status of the battery swapping equipment to the station control.

[0118] In some embodiments, the second direction is the width direction of the vehicle, and the third direction is the length direction of the vehicle.

[0119] The various embodiments / implementations provided in this application can be combined with each other without creating contradictions.

[0120] The above are merely preferred embodiments of this application and are not intended to limit the embodiments in this application. For those skilled in the art, the embodiments of this application can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the embodiments of this application should be included within the protection scope of the embodiments of this application.

Claims

1. A battery swapping chassis, characterized in that, include: Chassis components; The battery unit is detachably connected to the vehicle frame assembly; A door assembly includes a drive unit and a door panel, the door assembly having a closed state and an open state. In the closed state, the door panel is in a closed position to enclose a receiving space with the frame assembly, the receiving space being open on one side of the frame assembly along a first direction and away from the frame assembly, at least a portion of the battery device being located within the receiving space, and at least a portion of the door panel being located on one side of the battery device along a second direction, the first direction being perpendicular to the second direction. In the open state, the door panel is in an open position to form an access passage on one side of the frame assembly along the first direction, the access passage being for the battery device to enter and exit the space on one side of the frame assembly along the first direction along the second direction. The drive unit is capable of driving the door panel to move between the closed position and the open position.

2. The battery swapping chassis according to claim 1, characterized in that, The open position is located on the side of the frame assembly along the first direction from the closed position.

3. The battery swapping chassis according to claim 1, characterized in that, In the open state, in the projection plane perpendicular to the second direction, the projection of the battery device along the second direction is outside the projection range of the door panel along the second direction.

4. The battery swapping chassis according to claim 1, characterized in that, The driving device includes a driving assembly, a first link, and a second link. One end of the first link is rotatably engaged with a first position of the frame assembly, and the other end is hinged to a second position of the door panel. One end of the second link is hinged to a third position of the frame assembly, and the other end is hinged to a fourth position of the door panel. The first position and the third position are spaced apart, and the second position and the fourth position are spaced apart. The driving assembly drives the first link to rotate.

5. The battery swapping chassis according to claim 4, characterized in that, The frame assembly includes a mounting bracket and a protective plate. The first position and the third position are located on the mounting bracket. The battery device is located on one side of the mounting bracket along the first direction. The protective plate includes a side protection portion located on one side of the mounting bracket along the second direction. The first link and the second link are both hinged to the mounting bracket.

6. The battery swapping chassis according to claim 5, characterized in that, A portion of at least one of the first link and the second link is bent to form a clearance space, one side of which is open. In the open state, the door panel is located on the side of the side protection part away from the mounting bracket, and a portion of the side protection part is located within the clearance space through the open position of the clearance space.

7. The battery swapping chassis according to claim 4, characterized in that, The drive assembly includes a gear, a rack, and a driver. The gear is rotatably connected to the first position, the first connecting rod is fixedly connected to the gear, the rack meshes with the gear, and the driver can drive the rack to extend and retract.

8. The battery swapping chassis according to claim 1, characterized in that, The number of door assemblies is at least two, and in the closed state, the two door panels are respectively located on one side of opposite sides of the battery device along the second direction.

9. The battery swapping chassis according to claim 1, characterized in that, The vehicle frame assembly includes a body longitudinal beam and a mounting bracket. The mounting bracket is fixed to one side of the body longitudinal beam along the second direction. The drive unit is disposed on the mounting bracket. The battery unit is located on one side of the body longitudinal beam and the mounting bracket along the first direction.

10. A vehicle, characterized in that, The vehicle includes a battery swapping chassis as described in any one of claims 1-9.

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