Battery replacing device suitable for various types of battery packs

Abstract

The utility model relates to a battery replacing device suitable for various types of battery packs, which comprises a bearing platform, a switching mechanism arranged on the bearing platform, and a first unlocking docking mechanism and a second unlocking docking mechanism which are respectively arranged on the switching mechanism, and the switching mechanism drives the first unlocking docking mechanism and the second unlocking docking mechanism to rotate so as to carry out battery replacement on different types of battery packs. According to the battery replacing device of the battery pack, the battery replacing function of the equipment is achieved under the condition that the equipment is extremely simple, more accurate control and feedback are provided, and the battery replacing adaptability of a vehicle is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle battery replacement, especially a battery replacement device suitable for various types of battery packs. BACKGROUND

[0002] In order to improve the endurance of electric vehicles, the technology of installing battery packs in electric vehicles can be used to remove and replace new battery packs at any time. When the battery pack needs to be removed from the bottom of the electric vehicle, the docking mechanism of the battery replacement equipment is used to dock the battery pack of the electric vehicle, and the battery pack is taken out of the electric vehicle. However, due to the differences in the connection structure of the electric vehicle and the battery pack, different connection structures of the electric vehicle need to use different types of docking mechanisms to dock the battery pack to realize the access operation of the battery pack, so that a battery replacement equipment can only provide battery replacement service for electric vehicles with a single battery pack connection structure, resulting in poor adaptability and low matching degree of the battery replacement equipment.

[0003] In order to face two or even more types of battery packs, a highly adaptable and high-matching-degree battery replacement equipment is necessary, which can expand the channel for innovative development of the battery replacement industry, and cooperate with a variety of battery replacement methods to meet higher battery replacement needs.

[0004] In view of the above problems, in the prior art, a pull rod type switching battery replacement equipment is disclosed, which can switch and replace two different types of battery packs, but its structure is complex, it uses a linear conversion rotation method to switch, which will lose a lot of transmission torque and cause too much resistance, and this method belongs to indirect switching, the transmission torque is not large enough and will cause unstable battery replacement, which has safety hazards and is not easy to maintain. UTILITY MODEL CONTENTS

[0005] In view of the above, it is necessary to provide a battery replacement device suitable for various types of battery packs with high precision, strong adaptability and fast switching speed.

[0006] Therefore, the utility model provides a battery replacement device suitable for various types of battery packs, which comprises a bearing platform, a switching mechanism installed on the bearing platform, a first unlocking docking mechanism and a second unlocking docking mechanism respectively installed on the switching mechanism, and the switching mechanism drives the first unlocking docking mechanism and the second unlocking docking mechanism to rotate to replace different types of battery packs.

[0007] According to the battery replacing device suitable for various types of battery packs, the switching mechanism comprises a first mounting plate, a second mounting plate, a fixed bottom plate, a servo drive assembly and a gear transmission assembly mounted on the fixed bottom plate, the output end of the servo drive assembly is in transmission connection with the gear transmission assembly, the first mounting plate and the second mounting plate are fixedly connected at an angle, the fixed bottom plate is mounted on the first mounting plate or the second mounting plate, the first unlocking docking mechanism is mounted on the first mounting plate, and the second unlocking docking mechanism is mounted on the second mounting plate.

[0008] According to the battery replacing device suitable for various types of battery packs, the first mounting plate and the second mounting plate are integrally formed.

[0009] According to the battery replacing device suitable for various types of battery packs, the angle of the first mounting plate and the second mounting plate is 90°.

[0010] According to the battery replacing device suitable for various types of battery packs, the switching mechanism further comprises a stop-to-position assembly.

[0011] According to the battery replacing device suitable for various types of battery packs, the stop-to-position assembly comprises a stop-to-position sensor and a stop column for limiting the rotation angle of the first mounting plate or the second mounting plate.

[0012] According to the battery replacing device suitable for various types of battery packs, the bearing platform is provided with a support frame, and the two ends of the first mounting plate and the second mounting plate are respectively provided with a rotating bottom plate, and the rotating bottom plate is in rotating connection with the support frame.

[0013] According to the battery replacing device suitable for various types of battery packs, the servo drive assembly comprises a speed reducer mounting seat, a speed reducer mounted on the speed reducer mounting seat and a servo motor in transmission connection with the speed reducer.

[0014] According to the battery replacing device suitable for various types of battery packs, the gear transmission assembly comprises a driving gear and a driven gear, the driving gear is in transmission connection with the servo drive assembly, the driven gear is mounted on the fixed bottom plate, and the driving gear is in meshing connection with the driven gear.

[0015] According to the battery replacing device suitable for various types of battery packs, the first unlocking docking mechanism comprises a first unlocking mechanism and a first guide mechanism, and the second unlocking docking mechanism comprises a second unlocking mechanism and a second guide mechanism.

[0016] Compared with the prior art, the battery replacing device suitable for multiple types of battery packs described above realizes switching of the first unlocking docking mechanism and the second unlocking docking mechanism through the switching mechanism, realizes high-precision and smooth overturning with stopping and moving, is suitable for unlocking and replacing batteries of multiple types of battery packs, and is more convenient for assembly and later maintenance and repair due to the simple structure, so as to realize cost utilization maximization. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific implementation, the drawings required to be used in the implementation will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0018] Figure 1 is a structural schematic view of the battery replacing device suitable for multiple types of battery packs of the present application.

[0019] Figure 2 is a bearing platform structural schematic view of the battery replacing device suitable for multiple types of battery packs of the present application.

[0020] Figure 3 is a first direction structural schematic view of the switching mechanism of the battery replacing device suitable for multiple types of battery packs of the present application.

[0021] Figure 4 is a second direction structural schematic view of the switching mechanism of the battery replacing device suitable for multiple types of battery packs of the present application.

[0022] Figure 5 is a corresponding structural schematic view of the first unlocking docking mechanism of the battery replacing device suitable for multiple types of battery packs of the present application.

[0023] Figure 6 is a first unlocking docking mechanism structural schematic view of the battery replacing device suitable for multiple types of battery packs of the present application.

[0024] Figure 7 is a corresponding unlocking sectional view of the first unlocking docking mechanism of the battery replacing device suitable for multiple types of battery packs of the present application.

[0025] Figure 8 is a corresponding structural schematic view of the second unlocking docking mechanism of the battery replacing device suitable for multiple types of battery packs of the present application.

[0026] Figure 9 is a second unlocking docking mechanism structural schematic view of the battery replacing device suitable for multiple types of battery packs of the present application.

[0027] Figure 10The utility model discloses a second unlocking docking mechanism of the battery replacing device of the utility model is corresponding to the unlocking sectional view of the battery replacing device of the utility model.

[0028] Main element symbol explanation

[0029] 1-bearing platform;2-switching mechanism;3-first unlocking docking mechanism;4-second unlocking docking mechanism;5-first mounting plate;6-second mounting plate;7-fixed bottom plate;8-servo drive assembly;9-gear transmission assembly;10-stop in place assembly;11-support frame;12-rotating bottom plate;13-driving gear;14-driven gear;15-first unlocking mechanism;16-first guide mechanism;17-second unlocking mechanism;18-second guide mechanism;19-first type battery pack;20-first type battery pack lock device;21-first type battery pack guide seat;22-second type battery pack;23-second type battery pack lock device;24-second type battery pack guide seat.

[0030] The following specific embodiments will further illustrate the utility model in connection with the above-mentioned drawings. Specific embodiments

[0031] In order to enable the above-mentioned purpose, features and advantages of the utility model to be more clearly understood, the utility model will be described in detail below in connection with the drawings and specific embodiments. It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict. In the following description, a lot of specific details are set forth in order to fully understand the utility model, and the described embodiments are only some of the embodiments of the utility model, but not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] 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 the utility model belongs. The terms used in the specification herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model.

[0033] In each embodiment, for the purpose of facilitating description and not limiting the utility model, the term "connection" used in the utility model patent application specification and claims is not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "below", "left", "right" and the like are only used to indicate relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship also changes accordingly.

[0034] As Figures 1 to 10As shown, a battery replacement device suitable for various types of battery packs includes a bearing platform 1, a switching mechanism 2 mounted on the bearing platform 1, a first unlocking docking mechanism 3 and a second unlocking docking mechanism 4 mounted on the switching mechanism 2 respectively, and the switching mechanism 2 drives the first unlocking docking mechanism 3 and the second unlocking docking mechanism 4 to rotate to replace different types of battery packs.

[0035] The switching mechanism 2 includes a first mounting plate 5, a second mounting plate 6, a fixed bottom plate 7, a servo drive assembly 8, and a gear transmission assembly 9 mounted on the fixed bottom plate 7. The output end of the servo drive assembly 8 is in transmission connection with the gear transmission assembly 9. The first mounting plate 5 and the second mounting plate 6 are fixedly connected at an angle. The fixed bottom plate 7 is mounted on the first mounting plate 5 or the second mounting plate 6. The first unlocking docking mechanism 3 is mounted on the first mounting plate 5, and the second unlocking docking mechanism 4 is mounted on the second mounting plate 6.

[0036] The first mounting plate 5 and the second mounting plate 6 are integrally formed, which is more stable in structure.

[0037] The angle between the first mounting plate 5 and the second mounting plate 6 is 90°.

[0038] The switching mechanism 2 further includes a stop-to-position assembly 10. The stop-to-position assembly 10 includes a stop-to-position sensor and a stop column limiting the rotation angle of the first mounting plate 5 or the second mounting plate 6.

[0039] The bearing platform 1 is provided with a support frame 11. The two ends of the first mounting plate 5 and the second mounting plate 6 are respectively provided with a rotating bottom plate 12, which is in rotating connection with the support frame 11.

[0040] The servo drive assembly 8 includes a speed reducer mounting seat, a speed reducer mounted on the speed reducer mounting seat, and a servo motor in transmission connection with the speed reducer.

[0041] The gear transmission assembly 9 includes a driving gear 13 and a driven gear 14. The driving gear 13 is in transmission connection with the servo drive assembly 8. The driven gear 14 is mounted on the fixed bottom plate 7. The driving gear 13 is in meshing connection with the driven gear 14.

[0042] The first unlocking docking mechanism 3 includes a first unlocking mechanism 15 and a first guide mechanism 16. The second unlocking docking mechanism 4 includes a second unlocking mechanism 17 and a second guide mechanism 18.

[0043] Switching mechanism 2 generally has two groups, symmetrically distributed on both sides of the bearing platform 1, the rotating base plate 12 at both ends of each group of switching mechanism 2 provides a rotating support shaft for rotating switching, which is the first rotating axis of the switching mechanism 2. Gear transmission assembly 9 is composed of gears with different numbers of teeth, forming a certain reduction ratio, its driving gear 13 is fixedly connected with servo drive assembly 8 to provide power, its driven gear 14 is fixedly connected with fixed base plate 7 and rotates together, the rotating axis of driven gear 14 coincides with the first rotating axis, ensuring stable transmission of transmission torque. The servo motor provides the required torque and precise control pulse to determine the rotation angle of the switching mechanism 2, the speed reducer provides the required reduction ratio, so that the control of the rotation of the switching mechanism 2 is more subtle and a larger torque is obtained to ensure the stability of the rotation, and the speed reducer mounting seat installs the servo motor and the speed reducer on the bearing platform 1 as a support point. The stop column ensures that the switching mechanism only rotates between 0° and 90°, and provides a temporary stable support surface for the switching mechanism 2 at 0° and 90° positions respectively, so that the unlocking docking process after switching is more accurate and stable. The in-place sensor detects to determine whether the switching mechanism is at 0° or 90° position, so as to identify the first unlocking docking mechanism 3 or the second unlocking docking mechanism 4 corresponding thereto.

[0044] The switching mechanism 2 of the utility model compares the pull rod type switching mechanism, the pull rod type switching uses linear motion to convert rotation, and the switching mechanism 2 adopts a more direct transmission mode to transmit rotary motion by rotary motion, torque transmission is more efficient, controllability of stop and motion is more superior, and resistance and destructive couple are reduced in the stress problem, so that the simple and reliable space structure is more convenient for assembly and later maintenance and repair, and is superior to the pull rod type switching mechanism.

[0045] The first unlocking docking mechanism 3 corresponds to the first type battery pack 19, and the first unlocking docking mechanism 3 is composed of a first unlocking mechanism 15 and a first guide mechanism 16, and the corresponding first type battery pack 19 is composed of a first type battery pack lock device 20 and a first type battery pack guide seat 21. The first unlocking mechanism 15 and the first guide mechanism 16 are fixedly installed on the first mounting plate 5 of the switching mechanism 2, and the first type battery pack lock device 20 and the first type battery pack guide seat 21 are fixedly installed on the first type battery pack 19. The first unlocking mechanism 15 corresponds to unlocking the first type battery pack lock device 20, and the first guide mechanism 16 corresponds to positioning the first type battery pack guide seat 21.

[0046] The second unlocking docking mechanism 4 corresponds to the second type battery pack 22, and the second unlocking docking mechanism 4 is composed of a second unlocking mechanism 17 and a second guiding mechanism 18. The second type battery pack 22 is composed of a second type battery pack locking device 23 and a second type battery pack guiding seat 24. The second unlocking mechanism 17 and the second guiding mechanism 18 are both fixedly installed on the second mounting plate 6 of the switching mechanism 2. The second type battery pack locking device 23 and the second type battery pack guiding seat 24 are both fixedly installed on the second type battery pack 22. The second unlocking mechanism 17 corresponds to unlocking the second type battery pack locking device 23. The second guiding mechanism 18 corresponds to positioning the second type battery pack guiding seat 24.

[0047] The battery replacement method is characterized in that vehicle information is first received, wherein the vehicle information includes the type of the battery pack. If it is determined that the battery pack is of the first type, the switching mechanism 2 switches the first unlocking docking mechanism 3 to dock the first type battery pack 19. If it is determined that the battery pack is of the second type, the switching mechanism 2 switches the second unlocking docking mechanism 4 to dock the second type battery pack 22. The switching mechanism 2 switches the first unlocking docking mechanism 3 to dock the first type battery pack 19. The gear transmission assembly 9 of the switching mechanism 2 rotates, so that the plane of the first unlocking docking mechanism 3 connected to the first mounting plate 5 faces the battery pack to dock the first type battery pack 19. Alternatively, the switching mechanism 2 switches the second unlocking docking mechanism 4 to dock the second type battery pack 22. The gear transmission assembly 9 of the switching mechanism 2 rotates, so that the plane of the second unlocking docking mechanism 4 connected to the second mounting plate 6 faces the battery pack to dock the second type battery pack 22. Finally, normal unlocking and battery replacement are started.

[0048] The bearing platform 1 is located at the bottom layer and has the functions of walking, floating, floating return, and fixed installation. The two switching mechanisms 2 are located on both sides of the bearing platform 1 and are symmetrically distributed. The first unlocking docking mechanism 3 and the second unlocking docking mechanism 4 are respectively located on the first mounting plate 5 and the second mounting plate 6 of the switching mechanism 2 and are at a 90° angle with each other, so that the rotation space and angle are more suitable for battery replacement. The two sides are also symmetrically distributed with the switching mechanism 2.

[0049] When the switching function needs to be realized, the servo motor drives the gear transmission assembly 9 to rotate, so that the fixed bottom plate 7 is flipped from 0° to 90° or from 90° to 0°, and the first unlocking docking mechanism 3 is switched to the second unlocking docking mechanism 4 or the second unlocking docking mechanism 4 is switched to the first unlocking docking mechanism 3, so as to realize adaptive docking and battery replacement of different types of battery packs. Specifically, the first unlocking docking mechanism 3 can be set to correspond to 0°, and the second unlocking docking mechanism 4 can be set to correspond to 90°. When the switching mechanism 2 is switched to the 0° position of the first unlocking docking mechanism 3, the stop column position is on the first unlocking docking mechanism 3 to ensure the stability of subsequent unlocking, and is locked by the servo motor brake. When the switching mechanism 2 is switched to the 90° position of the second unlocking docking mechanism 4, the stop column is on the second unlocking docking mechanism 4 to ensure the stability of subsequent unlocking, and is locked by the servo motor brake.

[0050] When the vehicle to be replaced is identified as the first type of battery pack 19, the switching mechanism 2 is flipped to the first unlocking docking mechanism 3. The first guiding mechanism 16 in the first unlocking docking mechanism 3 corresponds to the first type of battery pack guiding seat 21 on the first type of battery pack 19, and then the first unlocking mechanism 15 unlocks the first type of battery pack locking device 20. After unlocking, the discharged battery is removed. The replacement equipment moves and transports the full battery. The locking sequence is opposite to the unlocking sequence, that is, the whole process of replacing the first type of battery pack 19. In this embodiment, the first unlocking docking mechanism 3 is a buckle type unlocking mechanism, which can correspond to the EU5 vehicle. The first unlocking mechanism 15 is a dial unlocking mechanism and a push rod pushing device. The first guiding mechanism 16 is two guiding claws. The first type of battery pack locking device 20 is a connecting rod lock. The first type of battery pack guiding seat 21 is a positioning seat on the EU5 battery pack. The push rod pushing device applies force to the guiding claw 1 to push and pull the battery pack into a pre-unlocking state, and then the dial unlocking mechanism unlocks the connecting rod lock. The locking process is opposite to the unlocking process.

[0051] When the vehicle to be replaced is identified as the second type of battery pack 22, the switching mechanism 2 is flipped to the second unlocking docking mechanism 4. The second guiding mechanism 18 in the second unlocking docking mechanism 4 corresponds to the second type of battery pack guiding seat 24 on the second type of battery pack 22, and then the second unlocking mechanism 17 unlocks the second type of battery pack locking device 23. After unlocking, the discharged battery is removed. The replacement equipment moves and transports the full battery. The locking sequence is opposite to the unlocking sequence, that is, the whole process of replacing the second type of battery pack 22. In this embodiment, the second unlocking docking mechanism 4 is a rotary pressure type unlocking mechanism, which can correspond to the E70 vehicle. The second unlocking mechanism 17 is a rotary pressure unlocking device. The second guiding mechanism 18 is a guiding pin and a front guiding device. The second type of battery pack guiding seat 24 is a pin hole on the E70 battery pack. The rotary pressure unlocking device unlocks the E70 vehicle battery pack. The locking process is opposite to the unlocking process.

[0052] Adopt gear transmission switching, complement with mechanical stop post and in place sensor positioning, realize high precision smooth overturning with stop and move, to realize adapting to multiple types of battery pack unlocking and battery swap, and with its simple structure makes the assembly and later maintenance and repair more convenient, to realize cost utilization maximization;

[0053] Two kinds of unlocking docking mechanisms adopt 90° distribution, switching is quick, positioning is accurate;

[0054] The battery swap method logic presents chain reaction progressive, complement with reliable mechanical structure and high precision sensor detection, realize quick battery swap and excellent adaptability battery swap.

[0055] In the several specific embodiments provided by the present application, it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. In addition, obviously, the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. The words "first", "second" and the like are used to indicate names, not any specific order.

[0056] The above embodiments are only used to illustrate the technical solutions of the present application and not to limit it, although the present application has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.

Claims

1.A battery swap device adapted to multiple types of battery packs, characterized in that: The switching mechanism drives the first unlocking docking mechanism and the second unlocking docking mechanism to rotate to change the battery pack of different types. 2.The battery swap device adapted to various types of battery packs of claim 1, wherein, The switching mechanism comprises a first mounting plate, a second mounting plate, a fixed bottom plate, a servo drive assembly and a gear transmission assembly mounted on the fixed bottom plate, the output end of the servo drive assembly is in transmission connection with the gear transmission assembly, the first mounting plate and the second mounting plate are fixedly connected at an angle, the fixed bottom plate is mounted on the first mounting plate or the second mounting plate, the first unlocking docking mechanism is mounted on the first mounting plate, and the second unlocking docking mechanism is mounted on the second mounting plate. 3.The battery swap device adapted to various types of battery packs of claim 2, wherein, The first mounting plate and the second mounting plate are integrally formed. 4.The battery swap device adapted to various types of battery packs of claim 2, wherein, The angle of the first mounting plate and the second mounting plate is 90°. 5.The battery swap device adapted to various types of battery packs of claim 2, wherein, The switching mechanism further comprises a stop-to-position assembly. 6.The battery swap device adapted to various types of battery packs of claim 5, wherein, The stop-to-position assembly comprises a stop-to-position sensor and a stop column for limiting the rotation angle of the first mounting plate or the second mounting plate. 7.The battery swapping device adapted to various types of battery packs of claim 2, wherein, The support frame is arranged on the bearing platform, and both ends of the first mounting plate and the second mounting plate are respectively provided with a rotating bottom plate in rotation connection with the support frame. 8.The battery swapping device adapted to various types of battery packs of claim 2, wherein, The servo drive assembly comprises a speed reducer mounting seat, a speed reducer mounted on the speed reducer mounting seat and a servo motor in transmission connection with the speed reducer. 9.The battery swapping device adapted to various types of battery packs of claim 2, wherein, The gear transmission assembly comprises a driving gear and a driven gear, the driving gear is in transmission connection with the servo drive assembly, the driven gear is mounted on the fixed bottom plate, and the driving gear is in meshing connection with the driven gear. 10.The battery swap device adapted to various types of battery packs of claim 2, wherein, The first unlocking docking mechanism comprises a first unlocking mechanism and a first guide mechanism, and the second unlocking docking mechanism comprises a second unlocking mechanism and a second guide mechanism.

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