Energy supplementing device

Abstract

This application relates to the field of charging and swapping, and discloses a power replenishment device, including: a base with a battery; a transmission device disposed on the base and electrically connected to the battery, used to deliver electrical energy to the device; and multiple moving modules, divided into a first group of moving modules and a second group of moving modules, the travel direction of the first group of moving modules intersecting the travel direction of the second group of moving modules. Each moving module includes a drive component and a drive wheel mechanism. The drive component is connected to the base and has a movable part that can move along the height direction of the power replenishment device. The drive wheel mechanism is mounted on the movable part. The drive component can drive the drive wheel mechanism to move up and down. When it is necessary to switch the travel direction, the moving module in the corresponding direction extends to the ground to bear the weight and travel, while the other group of moving modules retracts and lifts off the ground to avoid scratches and interference. The two travel directions can be switched stably and smoothly, and the travel direction can be switched without a turning radius.

Description

Technical Field

[0001] This application relates to the field of charging and swapping technology, specifically to energy replenishment devices. Background Technology

[0002] With the continuous growth of electric vehicle ownership and the limited density of fixed charging piles, mobile charging devices have become an essential tool for emergency vehicle charging and charging at nearby parking spaces. They can flexibly reach the location of vehicles waiting to be charged to complete the charging and alleviate range anxiety.

[0003] Existing mobile energy replenishment devices mostly adopt a four-wheel walking chassis structure. Due to the constraint of wheelbase, the overall minimum steering diameter is relatively large, resulting in insufficient flexibility in scenarios such as underground parking lots or narrow parking spaces. Summary of the Invention

[0004] This application provides a power replenishment device to solve or improve the problem of large turning space required for power replenishment devices in related technologies.

[0005] This application provides a power replenishment device, comprising: The base is equipped with a battery; A transmission device is provided on the base and electrically connected to the battery, and is used to transmit electrical energy to the electrical equipment; Multiple mobile modules are divided into a first group of mobile modules and a second group of mobile modules. The travel direction of the first group of mobile modules intersects with the travel direction of the second group of mobile modules. Each mobile module includes a drive component and a drive wheel mechanism. The drive component is connected to the base and has a movable part that can move along the height direction of the power replenishment device. The drive wheel mechanism is mounted on the movable part.

[0006] In one alternative embodiment, the moving module further includes a buffer assembly, and the drive wheel mechanism includes: The mounting part is rotatably connected to the moving part, and the rotation axis of the mounting part intersects with or is not parallel to the moving direction of the moving part; the buffer assembly is connected to the moving part and the mounting part. The rotating part is rotatably connected to the mounting part and is used to drive the energy replenishment device to move.

[0007] In one alternative embodiment, the drive wheel mechanism includes a hub motor and a tire fitted on the outside of the hub motor, the mounting portion includes a pivot of the hub motor, and the rotating portion includes the housing of the hub motor and the tire; Alternatively, the drive wheel mechanism includes a drive motor and a wheel body connected to the output shaft of the drive motor, the mounting part includes the housing of the drive motor, and the rotating part includes the wheel body.

[0008] In one optional embodiment, the power replenishment device has a traveling mode and a braking mode. In the traveling mode, one of the first group of moving modules and the second group of moving modules is in contact with the ground, while the other is lifted off the ground. In the braking mode, both the first group of moving modules and the second group of moving modules are in contact with the ground.

[0009] In one optional embodiment, the power replenishment device further includes a positioning component disposed on the base, the positioning component being adapted to a positioning structure on the electrical equipment to enable the transmission device to dock with the electrical equipment.

[0010] In one alternative embodiment, the positioning component includes multiple radars, wherein four of the radars are arranged in a rectangular configuration, and at least one additional radar is arranged within the area enclosed by the lines connecting the four radars. Each radar is adapted to the positioning structure in a one-to-one correspondence, and the transmission device is arranged within the area.

[0011] In one optional implementation, the transmission device includes: A wireless power transmission coil is electrically connected to the battery and is used to wirelessly transmit electrical energy to the electrical device. And / or, a charging component, electrically connected to the battery, and provided with conductive contacts that can make contact with electrical equipment, the conductive contacts being disposed on the surface of the base.

[0012] In one alternative embodiment, the power replenishment device further includes a communication component disposed on the base.

[0013] In one alternative embodiment, the communication component includes a communication coil, which is arranged around the inner or outer side of the wireless transmission coil, and the conductive contacts are located inside or outside the wireless transmission coil.

[0014] In one optional embodiment, the side of the base for docking with the electrical equipment is provided with an air outlet, and the energy replenishment device further includes a fan and an air duct assembly, wherein the air outlet of the fan is connected to the air outlet through the air duct assembly.

[0015] In one optional embodiment, the energy replenishment device further includes a wind vane, which is adjustablely disposed at the air outlet and used to open or close the air outlet or adjust the air outlet's airflow direction.

[0016] In one optional embodiment, the air outlets are provided on all four edges of the base, and each air outlet is provided with a wind plate. Along the circumference of the base, at least a portion of the wind plates of each air outlet are deflected and tilted in the same direction of rotation.

[0017] In one optional embodiment, the air outlet is provided with at least one set of air vanes arranged along the edge of the base; Along the extension direction of the edge of the seat, the tilt angles of each of the wind vanes in the same group increase or decrease sequentially.

[0018] In one alternative embodiment, the air duct assembly further extends to the location of the battery, and the air duct assembly is provided with a purge port facing the battery; And / or, the energy replenishment device further includes a temperature regulation component, which is located on the air outlet path of the fan outlet and is used to heat or cool the airflow generated by the fan.

[0019] The energy replenishment device provided in this application can drive the drive wheel mechanism to move up and down through the moving parts of the drive component. When it is necessary to switch the direction of travel, the moving module in the corresponding direction extends to the ground to bear the load and travel, while the other moving module retracts and lifts off the ground to avoid scratches and interference. The two directions of travel can be switched stably and smoothly, and the direction of travel can be switched without turning radius.

[0020] Therefore, by using a first group of moving modules and a second group of moving modules arranged in intersecting directions, along with vertically movable components, the charging device can switch between two modes of travel: forward and backward straight movement and left and right lateral movement. It does not rely on the steering sway of a traditional four-wheel chassis, thus eliminating the limitation of wheelbase on the turning radius. The minimum turning space occupied is small, which improves the mobility of the charging device in confined spaces such as narrow passages and compact parking spaces in underground parking lots, and allows it to easily approach the equipment to be charged to complete the charging operation.

[0021] In addition, the drive assembly is used to raise and lower the seat to adapt to the height of the electrical equipment. That is, when the drive assembly of the moving module is activated, it can raise or lower the overall height of the seat from the ground. For example, when it is necessary to drill under the vehicle chassis to carry out energy replenishment work, the moving part of the drive assembly is raised relative to the seat, and the seat is lowered as a whole while the drive wheel mechanism supports the ground. The height of the energy replenishment device can be compressed to the size that matches the clearance of the vehicle chassis, so that the energy replenishment device can be smoothly extended into the space under the vehicle. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 A top view of a power replenishment device provided in an embodiment of this application; Figure 2 A side view of a power replenishment device provided in an embodiment of this application; Figure 3 for Figure 2 Another perspective view of the central energy replenishment device; Figure 4 This is a schematic diagram of the structure of the air duct assembly provided in the embodiments of this application.

[0024] Explanation of reference numerals in the attached figures: 1. Base; 101. Air vent; 2. Battery; 3. Transmission device; 301. Wireless transmission coil; 302. Conductive contact; 4. Mobility module; 4a. First group of mobility modules; 4b. Second group of mobility modules; 401. Drive assembly; 4011. Connector; 4012. Moving part; 402. Drive wheel mechanism; 4021. Mounting part; 4022. Rotating part; 403. Buffer assembly; 5. Positioning components; 501. Radar; 6. Communication coil; 7. Air vane; 8. Fan; 9. Air duct assembly; 901. Purge port; 10. Temperature regulation assembly. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0026] With the continuous growth of electric vehicle ownership and the limited density of fixed charging piles, mobile charging devices have become an essential tool for emergency vehicle charging and charging at nearby parking spaces. They can flexibly reach the location of vehicles waiting to be charged to complete the charging and alleviate range anxiety.

[0027] Existing mobile energy replenishment devices mostly adopt a four-wheel walking chassis structure. Due to the constraint of wheelbase, the overall minimum steering diameter is relatively large, resulting in insufficient flexibility in scenarios such as underground parking lots or narrow parking spaces.

[0028] To address or improve the problem of large turning space required for energy replenishment devices in related technologies, this application provides an energy replenishment device.

[0029] The following is combined Figures 1 to 4 This describes the energy replenishment device provided in the embodiments of this application.

[0030] Specifically, the power replenishment device includes a base 1, a transmission device 3, and a moving module 4.

[0031] The seat 1 is equipped with a battery 2. For example, the seat 1 has a receiving cavity, and the battery 2 is arranged inside the receiving cavity of the seat 1. The battery 2 can be used to power the charging device and electrical equipment. It should be understood that the electrical equipment here includes, but is not limited to, vehicles.

[0032] The transmission device 3 is mounted on the base 1 and electrically connected to the battery 2. The transmission device 3 is used to adapt to the electrical equipment and transmit electrical energy to the electrical equipment.

[0033] refer to Figure 3 There are multiple mobile modules 4, which are divided into a first group of mobile modules 4a and a second group of mobile modules 4b. The travel direction of the first group of mobile modules 4a intersects with the travel direction of the second group of mobile modules 4b; for example, the travel direction of the first group of mobile modules 4a is perpendicular to the travel direction of the second group of mobile modules 4b. Optionally, the travel direction of the first group of mobile modules 4a is the front-back direction of the power replenishment device, and the travel direction of the second group of mobile modules 4b is the left-right direction of the power replenishment device.

[0034] Furthermore, the mobile module 4 includes a drive assembly 401 and a drive wheel mechanism 402. The drive assembly 401 is connected to the base 1 and has a movable member 4012 that can move along the height direction of the power replenishment device. The drive wheel mechanism 402 is mounted on the movable member 4012. It should be understood that the drive wheel mechanism 402 is configured as a power wheel for driving the power replenishment device to move.

[0035] Optionally, the drive assembly 401 also includes a connector 4011 connected to the base 1. For example, the connector 4011 is screwed, welded, or integrally formed with the base 1. The connector 4011 and the moving member 4012 can slide relative to each other along the height direction of the power supply device. For example, the drive assembly 401 can be configured as a pneumatic cylinder, hydraulic cylinder, or electric cylinder; correspondingly, the cylinder body of the drive assembly 401 is the connector 4011, and the push rod is the moving member 4012; conversely, the reverse is also possible. Alternatively, the drive assembly 401 can also be a rack and pinion mechanism or a lead screw and nut mechanism.

[0036] During forward and backward movement, the first moving module 4a can be lowered to contact the ground and the second moving module 4b can be raised to detach from the ground, driven by the moving part 4012 of the drive assembly 401. During left and right movement, the second moving module 4b can be lowered to contact the ground and the first moving module 4a can be raised to detach from the ground, driven by the moving part 4012 of the drive assembly 401.

[0037] The energy replenishment device provided in this embodiment can drive the drive wheel mechanism 402 to move up and down through the moving part 4012 of the drive component 401. When it is necessary to switch the direction of travel, the moving module 4 in the corresponding direction extends to the ground to bear the load and travel, while the other moving module 4 retracts and lifts off the ground to avoid scraping and interference. The two directions of travel can be switched stably and smoothly, and the direction of travel can be switched without turning radius.

[0038] Therefore, by employing a first set of moving modules 4a and a second set of moving modules 4b arranged in intersecting directions of travel, in conjunction with a vertically moving moving component 4012, the energy replenishment device can switch between two travel modes: forward and backward straight movement and left and right lateral movement. It does not rely on the steering sway of a traditional four-wheel chassis, thus eliminating the limitation of wheelbase on the turning radius. The minimum turning space occupied is small, which improves the mobility of the energy replenishment device in confined spaces such as narrow passages and compact parking spaces in underground parking lots, and allows it to easily approach the equipment to be charged to complete the energy replenishment operation.

[0039] Furthermore, the drive assembly 401 is used to drive the seat 1 to rise and fall to adapt to the height of the electrical equipment. That is, when the drive assembly 401 of the moving module 4 is activated, it can raise or lower the overall height of the seat 1 from the ground. For example, when it is necessary to drill under the vehicle chassis to carry out energy replenishment work, the moving part 4012 of the drive assembly 401 is raised relative to the seat 1, and the seat 1 is lowered as a whole while the drive wheel mechanism 402 supports the ground. The height of the energy replenishment device can be compressed to the size that adapts to the clearance of the vehicle chassis, so that the energy replenishment device can be smoothly extended into the space under the vehicle.

[0040] Furthermore, the driving wheel mechanism 402 of at least one of the first moving module 4a and the second moving module 4b can adjust its direction of travel through the difference in speed between the wheels. That is, when the two driving wheel mechanisms 402 of the first moving module 4a or the second moving module 4b rotate at different speeds, the charging device can complete small-radius turns or turns on the spot, without being physically limited by wheelbase and turning radius. At the same time, combined with the lifting and lowering switching of the first moving module 4a and the second moving module 4b, it can quickly switch between straight-line mode and lateral movement mode, and can also achieve attitude adjustment through differential steering in straight-line mode or lateral movement mode, such as aligning with the charging position or fine-tuning its position between obstacles.

[0041] Optionally, at least one of the first set of moving modules 4a and the second set of moving modules 4b includes four moving modules 4, and the four moving modules 4 are arranged in a rectangular pattern. This configuration allows the first set of moving modules 4a or the second set of moving modules 4b to form four-corner supports, which can distribute the load, reduce the pressure on the individual drive wheel mechanism 402, and improve grip and driving stability. Simultaneously, the four-corner supports facilitate symmetrical force distribution and torque balance. During the alternating lifting and lowering and changing of the direction of travel of the first set of moving modules 4a and the second set of moving modules 4b, the platform's posture changes more smoothly, and it is less prone to significant tilting or swaying.

[0042] In some embodiments provided in this application, the mobile module 4 further includes a buffer assembly 403, and the drive wheel mechanism 402 includes a mounting portion 4021 and a rotating portion 4022.

[0043] The mounting portion 4021 is rotatably connected to the moving member 4012, for example, the mounting portion 4021 and the moving member 4012 are hinged. The rotation axis of the mounting portion 4021 intersects or is not parallel to the movement direction of the moving member 4012. Specifically, the movement direction of the moving member 4012 is the height direction of the energy replenishment device, and the rotation axis of the mounting portion 4021 extends horizontally, making them perpendicular. The buffer assembly 403 is connected to the moving member 4012 and the mounting portion 4021. Optionally, the buffer assembly 403 can be configured as a shock absorber. For example, both ends of the buffer assembly 403 are rotatably connected to the moving member 4012 and the mounting portion 4021, respectively.

[0044] The rotating part 4022 is rotatably connected to the mounting part 4021 and is used to drive the energy replenishment device to move. That is, the rotating part 4022 is used to contact the ground and can roll on the ground, thereby driving the energy replenishment device to move.

[0045] In this embodiment, the buffer assembly 403 is disposed between the moving part 4012 and the mounting part 4021 of the drive wheel. When small gravel, floor joints, slight depressions or bumps appear on the ground during travel, the impact force will be transmitted to the rotating part 4022 and the mounting part 4021 first. The mounting part 4021 rotates and drives the buffer assembly 403, so that the buffer assembly 403 absorbs the bumps and vibrations, and prevents the vibrations from being directly transmitted along the drive assembly 401 to the precision components such as the battery 2 and the transmission device 3 inside the seat body 1. The battery 2 or the line connector will not become loose or damaged due to continuous shaking, and the operating noise of the charging device will also be reduced.

[0046] Meanwhile, the mounting part 4021 can rotate around the horizontal axis. In conjunction with the buffer assembly 403, it can form an adaptive floating effect when the single drive wheel mechanism 402 encounters a height difference, and will not cause the seat 1 to tilt significantly. For example, when the ground under the vehicle is uneven, the seat 1 can still maintain a stable posture, so that the transmission device 3 and the electrical equipment can work together stably.

[0047] In addition, the drive wheel mechanism 402, through the rotatable mounting part 4021 and the buffer assembly 403, can deflect upwards to avoid small obstacles when it encounters them. The buffer assembly 403 is simultaneously compressed elastically, and the drive wheel can smoothly roll over protruding debris, making it less likely to get stuck between gravel and improving its passability.

[0048] In some embodiments provided in this application, the drive wheel mechanism 402 includes a hub motor and a tire fitted onto the outside of the hub motor. Correspondingly, the mounting portion 4021 includes a pivot of the hub motor, and the rotating portion 4022 includes the housing of the hub motor and the tire. It should be understood that the pivot can be directly rotatably connected to the moving member 4012, or it can be connected to the moving member 4012 via an adapter. For example, the pivot is fixedly connected to the adapter, and the adapter is rotatably connected to the moving member 4012.

[0049] In this embodiment, the hub motor can be integrated inside the tire, thereby eliminating the need for components such as the drive shaft and differential, making the structure of the mobile module 4 more compact and facilitating the arrangement of the battery 2 and transmission device 3 inside the seat 1. Simultaneously, the hub motor can rotate independently, and in conjunction with differential steering, it can achieve speed and torque distribution, improving the steering flexibility and position adjustment accuracy of the power replenishment device in confined spaces.

[0050] It is understood that the drive wheel mechanism 402 is not limited to the hub motor form described above. For example, in other embodiments provided in this application, the drive wheel mechanism 402 includes a drive motor and a wheel body connected to the output shaft of the drive motor. Accordingly, the mounting part 4021 includes the housing of the drive motor, and the rotating part 4022 includes the wheel body. It should be understood that the housing can be directly rotatably connected to the moving part 4012, or it can be connected to the moving part 4012 through an adapter. For example, the housing is fixedly connected to the adapter, and the adapter is rotatably connected to the moving part 4012.

[0051] In this embodiment, the drive motor and wheels are designed as separate structures, allowing for flexible selection of a more powerful motor or wheels of different specifications according to load requirements, adapting to various load-bearing and speed requirements, and providing better expandability. Simultaneously, the housing and moving part 4012 are rotatably connected, and together with the buffer assembly 403, they form a shock-absorbing structure, reducing the impact of ground impacts on the seat 1 and battery 2, ensuring stable driving.

[0052] In some embodiments provided in this application, the power replenishment device has a traveling mode and a braking mode. In the traveling mode, one of the first set of moving modules 4a and the second set of moving modules 4b is in contact with the ground, while the other is lifted off the ground. In the braking mode, both the first set of moving modules 4a and the second set of moving modules 4b are in contact with the ground.

[0053] In this embodiment, in driving mode, only the first set of moving modules 4a or the second set of moving modules 4b is grounded and driven, while the other set of moving modules 4b is raised without frictional resistance. In braking mode, the first set of moving modules 4a and the second set of moving modules 4b descend simultaneously to contact the ground. The drive wheel mechanism 402, which was originally in the non-driving direction, can now act as a friction wheel, closely contacting the ground. It relies on the friction between the wheel surface and the ground to absorb kinetic energy to achieve deceleration or parking. This is equivalent to using the existing drive wheel mechanism 402 on the vehicle as a friction braking element, which can eliminate or simplify the independent braking mechanism, reduce the overall weight, cost, and potential failure points.

[0054] In addition, when the energy replenishment device charges vehicles and other electrical equipment, it switches to braking mode. The first set of mobile modules 4a and the second set of mobile modules 4b are all on the ground. This can prevent the energy replenishment device from accidentally shifting by using friction braking, and also improve stability by increasing the grounding area and support span.

[0055] In some embodiments provided in this application, the power replenishment device further includes a positioning component 5, which is disposed on the base 1. The positioning component 5 is used to adapt to the positioning structure on the electrical equipment so that the transmission device 3 can dock with the electrical equipment. Optionally, the positioning component 5 may be a visual positioning component, a mechanical guiding component, an ultrasonic or infrared ranging component, or a laser scanning positioning component.

[0056] In this embodiment, after the power replenishment device is moved into place, the positioning component 5 can guide the transmission device 3 to accurately connect with the power receiving interface of the power-consuming equipment, reduce the reliance on manual operation, reduce repeated plugging or interface wear caused by alignment deviation, and improve the safety and automation of the power replenishment process.

[0057] refer to Figure 1 As shown, in some embodiments provided in this application, the positioning component 5 includes multiple radars 501, wherein four radars 501 are arranged in a rectangular pattern, and at least one additional radar 501 is arranged within the area enclosed by the lines connecting the four radars 501. Each radar 501 is adapted to the positioning structure in a one-to-one correspondence, and the transmission device 3 is arranged within the area enclosed by the lines connecting the four radars 501. For example, the radar 501 is a millimeter-wave radar or a lidar.

[0058] In this embodiment, the positioning component 5 of the power replenishment device includes at least five radars, of which four peripheral radars are arranged in a rectangular quadrant, and the remaining central radar is located within the rectangular area enclosed by the four peripheral radars. The charging transmission device 3 is also located within this rectangular area. The vehicle and other electrical equipment are equipped with four paired peripheral vehicle-side radars and one central vehicle-side radar. A fixed pairing rule is preset between the vehicle-side radars and the corresponding radars of the power replenishment device. Each paired radar and the vehicle-side radar establish a dedicated signal channel, allowing only the paired radars to transmit data to each other. For example, both the power replenishment device's radar 501 and the vehicle-side radar are millimeter-wave radars or lidars.

[0059] During operation, the vehicle-mounted radar emits millimeter-wave or laser detection signals carrying unique identifiers and vehicle coordinate system position parameters. Each radar on the charging device only receives signals from its paired vehicle-mounted radar. After receiving the signal, it first performs identity verification. Once the match is successful, it analyzes the distance, angle, signal strength, and vehicle-mounted radar coordinates between the two radars. The charging device's control system integrates information collected by all paired radars. Based on a single set of data, it calculates the relative position between the vehicle-mounted radar and the corresponding radar on the charging device. By fusing multiple sets of data, it can calculate the vehicle's position, tilt attitude, and deflection angle relative to the charging device, thereby locking the charging location coordinates. The control system sends walking commands based on the charging location coordinates to control the movement of the mobile module 4. During the movement, the radar 501 can continuously send and receive signals to update the relative position in real time, thereby correcting the movement path until the transmission device 3 docks with the vehicle's charging location.

[0060] This configuration, with its rectangular four-corner radar 501 and central radar 501, allows for the free combination of multiple positioning triangles. Utilizing the fundamental mathematical principle of three points defining a two-dimensional plane, coordinate calculations are performed, resulting in higher positioning fault tolerance. For example, even if a single-point radar 501 experiences slight signal fluctuations or obstruction, the other multiple triangular positioning combinations can still stably calculate the relative position, minimizing the loss of positioning reference. The four-corner rectangular radar 501 can construct the overall vehicle outline orientation, while the central radar 501 calibrates the center offset. The multiple triangular matrices mutually verify and correct each other, resulting in better positioning accuracy without relying on high-end hardware for precision.

[0061] In some embodiments provided in this application, the transmission device 3 includes at least one of a wireless transmission coil 301 and a charging component. Preferably, the transmission device 3 includes a wireless transmission coil 301 and a charging component.

[0062] The wireless power transmission coil 301 is electrically connected to the battery 2 and is used to wirelessly transmit electrical energy to the electrical equipment. Correspondingly, the electrical equipment is equipped with a wireless receiving coil. The wireless power transmission coil 301 and the wireless receiving coil are adapted to complete the wireless transmission of electrical energy.

[0063] The charging assembly is electrically connected to the battery 2 and is provided with conductive contacts 302 that can make contact with electrical devices. The conductive contacts 302 are disposed on the surface of the base 1. Specifically, the conductive contacts 302 are used to make contact with corresponding contacts of the electrical devices. It should be understood that the charging assembly also includes wires or electrical components for guiding electrical energy from the battery 2 to the conductive contacts 302.

[0064] In this embodiment, the wireless power transmission coil 301 and the battery 2 inside the base 1 are electrically connected. Power is transmitted wirelessly via electromagnetic coupling with the wireless receiving coil at the vehicle end, eliminating the need for plugging and unplugging connectors. Power transmission is initiated directly after alignment, saving the need for plugging operations. This makes operation simpler in scenarios with confined spaces under the vehicle or obstructed visibility, and avoids issues such as plug wear, bending, or pulling. The charging component relies on exposed conductive contacts 302 to make contact with the corresponding contacts of the electrical device to conduct power. This contact-based power transmission results in lower energy loss and a higher upper limit of transmission power, making it better suited for high-power charging conditions. Furthermore, if one charging method fails to function properly due to environmental interference or mechanical malfunction, it can be switched to another method to complete the charging, preventing emergency charging failure due to a single fault.

[0065] Furthermore, in wireless power transmission mode, energy is transmitted through electromagnetic field coupling. There are no exposed conductors or plug-in interfaces between the wireless power transmission coil 301 and the wireless receiving coil of the power-consuming device, eliminating the problems of gaps and the ingress of rainwater and dust. Simultaneously, when the charging component uses a direct contact design with conductive contacts 302, the traditional plug-in / plug-out action is also unnecessary. The conductive contacts 302 can be designed as planar contact or magnetic contact structures. The main body of the charging component is encapsulated on the surface of the base 1 or under a protective cover, with only the contact surface of the conductive contacts 302 exposed, forming a seal between the conductive contacts 302 and the base 1.

[0066] Therefore, both modes can eliminate the need for a plug-in port structure design. There are no plug-in gaps at the external power transmission position, and the sealing protection at the junction of the base 1 and the power transmission component is easier to do. Dust and moisture are less likely to penetrate into the internal circuit and battery 2 area, thus reducing the risk of leakage, short circuit, and component corrosion failure. In addition, the plug-in-free structure also eliminates the problems of repeated plugging and unplugging wear, pin deformation and loosening, and the power supply connection stability is better in the long term.

[0067] In some embodiments provided in this application, the power replenishment device further includes a communication component disposed on the base 1. The communication component can communicate with the electrical device or with a remote control center. For example, the communication component includes, but is not limited to, a mobile communication module, a short-range wireless communication module, or a Bluetooth module.

[0068] In this embodiment, the communication component enables data interaction between the power supply device and the power-consuming equipment. Working in conjunction with the positioning radar 501, both ends can transmit positioning data such as the radar 501's identification, coordinate distance, and attitude angle, ensuring smooth pairing identification and location calculation. Furthermore, during the charging phase, electrical parameters such as voltage, current, power level, and temperature can be exchanged, enabling functions such as charging power adjustment, overvoltage and overcurrent protection, and automatic shutdown upon full charge.

[0069] In addition, the charging device can also connect to a remote control center. This setup allows the charging device to upload its real-time location, alignment status, charging power, equipment temperature, remaining power, and fault alarm information to the backend. It can also receive control commands from the control center, such as assigning it to a designated parking space for charging or adjusting charging parameters.

[0070] In some embodiments provided in this application, the communication component includes a communication coil 6, which is arranged around the inner or outer side of the wireless transmission coil 301, and conductive contacts 302 are arranged inside or outside the wireless transmission coil 301.

[0071] In this embodiment, the communication coil 6 is surrounded on the inner or outer side of the wireless transmission coil 301, and the conductive contact 302 is also arranged on the inner or outer side of the wireless transmission coil 301. The three can share the same installation area without occupying additional surface space of the base 1. The overall volume is smaller and more suitable for arrangement in the limited space of the power supply device. At the same time, the communication coil 6 and the transmission device 3 are integrated in the same installation area, which makes it easier to carry out unified protection and heat dissipation design for the communication coil 6 and the transmission device 3.

[0072] To avoid mutual interference between the communication coil 6 and the wireless transmission coil 301, frequency differentiation and isolation can be adopted. For example, the wireless transmission coil 301 uses a first operating frequency band, and the communication coil 6 uses a second operating frequency band. The frequency bands of the first and second operating frequency bands are staggered, and filter circuits are added to their circuits to filter out inter-frequency noise. Alternatively, a time-division multiplexing operating mechanism can be adopted, that is, only one set is allowed to work at a time. For example, communication transmission and reception are suspended during the power transmission phase, and power output is briefly suspended during the communication verification and parameter exchange phases. Alternatively, a magnetic shielding plate can be installed between the communication coil 6 and the wireless transmission coil 301 to reduce electromagnetic interference between them.

[0073] Alternatively, the communication coil 6 can be split into two coil segments with opposite winding directions. These two segments can be arranged together inside or outside the wireless transmission coil 301, relying on magnetic fields to cancel out interference. For example, the two coil segments can be the same size and number of turns, but wound in opposite directions, and connected in series to form a complete communication coil 6. The alternating magnetic field generated by the wireless transmission coil 301 covers both coil segments, inducing interference voltages of equal amplitude but opposite polarity within each segment. These voltages cancel each other out, thereby reducing interference noise from the transmission electromagnetic field.

[0074] It should be understood that the above methods for eliminating interference can be chosen individually or used in any combination.

[0075] In some embodiments provided in this application, the side of the base 1 used for docking with electrical equipment is provided with an air outlet 101. The power supply device also includes a fan 8 and an air duct assembly 9, with the air outlet of the fan 8 connected to the air outlet 101 through the air duct assembly 9.

[0076] In this embodiment, the fan 8 delivers airflow to the outlet 101 of the docking area via the air duct assembly 9. During charging, the airflow can directly blow onto the docking area of ​​the electrical equipment, achieving multiple functions. First, it can continuously remove the heat generated by the wireless coil and conductive contacts 302 at the docking position, reducing the charging interface temperature and preventing high temperatures from causing coil insulation aging and contact oxidation and erosion, thus ensuring stable charging operation. Second, the airflow can dry any residual water or condensation in the docking area, eliminating the risk of leakage and short circuits caused by moisture. Third, the airflow can blow away dust, mud, debris, and other impurities, preventing debris from getting stuck between the contact points and causing poor contact or wear.

[0077] In some embodiments provided in this application, the energy replenishment device further includes a fan plate 7, which is angle-adjustably disposed at the air outlet 101 and used to open or close the air outlet 101 or adjust the air outlet direction of the air outlet 101. Optionally, the fan plate 7 is rotatably connected to the base 1 and can be driven to rotate by a drive mechanism to achieve angle adjustment. For example, the drive mechanism includes, but is not limited to, a motor and a cylinder. Of course, in other embodiments, the angle of the fan plate 7 can also be manually adjusted by screwing a nut onto the rotating shaft that locks the fan plate 7, and by loosening the nut, the angle of the fan plate 7 can be manually adjusted.

[0078] In this embodiment, the air deflector 7 opens when purging or heat dissipation is required, allowing the air outlet 101 to open. When the fan 8 is not operating, the air deflector 7 closes the air outlet 101, preventing dust, sand, insects, or liquids from entering the air duct assembly 9 and the fan 8 from the outside, thus avoiding air duct blockage or fan 8 jamming and improving the protection level of the energy replenishment device. Furthermore, the angle of the air deflector 7 is adjustable, allowing the airflow direction to be adjusted according to actual needs, guiding the airflow to the most needed position, or adjusting the airflow pattern and effect.

[0079] In some embodiments provided in this application, air outlets 101 are provided on all four edges of the seat 1. For example, the seat 1 has four edges, and each edge is provided with an air outlet 101, which extends along the extension direction of the corresponding edge. Each air outlet 101 is provided with a wind vane 7. Along the circumference of the seat 1, at least a portion of the wind vane 7 of each air outlet 101 is deflected and tilted in the same direction of rotation. (Refer to...) Figure 1 In the figure, the air vanes 7 of each air outlet 101 are tilted in a clockwise direction, causing the blowing airflow to form a swirling flow in a clockwise direction. Of course, in other embodiments of this application, the air vanes 7 of each air outlet 101 may also be tilted in a counterclockwise direction.

[0080] In this embodiment, airflows are simultaneously ejected from all four sides of the base 1, tilted in the same direction (such as clockwise or counterclockwise). These airflows converge at the docking area between the base 1 and the electrical equipment to form a ring-shaped rotating airflow, referred to as a vortex. The vortex formed by simultaneous air supply from all four sides has a higher intensity and can wrap the entire charging docking area in the rotating airflow 360 degrees, better covering all parts that need heat dissipation or purging, and improving the purging effect.

[0081] In addition, the annular vortex has both axial and circumferential tangential components near the docking area, which can generate continuous tangential shear on the water film in the docking area, making it easier to break the surface tension, causing water to gather and be thrown outward. At the same time, it has a stronger suction effect on dust and sand in the gaps, making the cleaning of dead corners more thorough and less likely to leave water stains or impurities.

[0082] In some embodiments provided in this application, the air outlet 101 is provided with at least one set of air vanes 7 arranged along the edge of the seat 1.

[0083] Along the extension direction of the edge of the base 1, the tilt angles of the various air vanes 7 within the same group increase or decrease sequentially. Optionally, the air outlet 101 is provided with one, two, three, four, or five groups of air vanes 7. Optionally, refer to Figure 1 The number of wind vanes 7 in the same group is four, for reference. Figure 4 The tilt angle of the wind plate 7 refers to the angle B between the wind plate 7 and the horizontal plane. The difference between the angles of two adjacent wind plates 7 is 3 to 10 degrees. For example, the difference between the angles of two adjacent wind plates 7 is 3 degrees, 5 degrees, 7 degrees or 10 degrees.

[0084] In this embodiment, the tilt angle of the air vanes 7 changes sequentially, resulting in different tangential velocity components in the airflow ejected along the edge direction. Air vanes 7 with larger angles generate airflow closer to a direct blow, while air vanes 7 with smaller angles generate rotating airflow. The two mix within the same air outlet 101 to form a stepped vortex, rather than a uniform rotating airflow. That is, by arranging multiple sets of air vanes 7 along the edge of the base 1, and making the tilt angle of each air vane 7 within the same set increase or decrease sequentially along the edge extension direction, a spiral vortex with an angle gradient can be formed at the docking area.

[0085] Specifically, the spiral vortex can continuously change the direction of force applied to the water film and impurities, more effectively breaking the surface tension and throwing the water out in all directions, while simultaneously entraining and sucking away floating dust and sand from the contact gaps and coil surface, thus improving the purging effect.

[0086] Optionally, the air outlet 101 is provided with multiple sets of air vanes 7 arranged along the edge of the base 1. Along the extension direction of the edge of the base 1, among two adjacent sets of air vanes 7, the tilt angle of one set of air vanes 7 increases sequentially, and the tilt angle of the other set of air vanes 7 decreases sequentially.

[0087] In this embodiment, multiple sets of air vanes 7 are arranged on the edge of the seat 1. Along the edge extension direction, in two adjacent sets of air vanes 7, the tilt angle of one set of air vanes 7 increases sequentially, and the tilt angle of the other set of air vanes 7 decreases sequentially, so that the tangential component of the airflow alternately changes, thereby continuously changing the force direction and shear intensity on the water film and impurities, more effectively breaking the surface tension and throwing the water out in all directions.

[0088] Optionally, in two adjacent air outlets 101, the tilt angle of the air vanes 7 in each group of one air outlet 101 increases sequentially, while the tilt angle of the air vanes 7 in each group of the other air outlet 101 decreases sequentially.

[0089] In this embodiment, two adjacent air outlets 101 are grouped with the angle of the air vane 7 increasing sequentially in one group and the angle of the air vane 7 decreasing sequentially in the other group. This makes the tangential velocity gradient of the airflow ejected from the adjacent air outlets 101 different, thereby enhancing the flow field disturbance after the airflow is superimposed, breaking the symmetry of pure unidirectional swirling flow, and further improving the spiral sweeping effect and heat exchange uniformity.

[0090] In some embodiments provided in this application, the air duct assembly 9 also extends to the location of the battery 2, and the air duct assembly 9 is provided with a purge port 901 facing the battery 2.

[0091] In this embodiment, the air duct assembly 9 not only delivers airflow to the air outlets 101 around the base 1, but also extends to the location of the battery 2 inside the charging device, and opens a purge port 901 facing the battery 2 at the corresponding location. When the fan 8 is working, a portion of the airflow acts on the surface of the battery 2 through the purge port 901, actively cooling the battery 2, promptly removing the heat generated during charging and discharging, reducing the rate of temperature rise of the battery 2, and delaying charging current limiting or protection shutdown triggered by high temperature, thereby improving charging efficiency and system stability.

[0092] In some embodiments provided in this application, the energy replenishment device further includes a temperature regulation component 10, which is disposed on the air outlet path of the fan 8 and is used to heat or cool the airflow generated by the fan 8. For example, the temperature regulation component 10 includes a heat pump heat exchange module, or the temperature regulation component 10 includes an electric heating component for heating and a water-cooled finned heat exchanger or a semiconductor refrigeration module for cooling.

[0093] In this embodiment, the temperature regulating component 10 is arranged on the necessary passage of the airflow sent out by the fan 8, and can heat or cool the air flowing through it. Part of the treated airflow is sent to each air outlet 101 of the base 1 to form a vortex, and the other part is blown out from the purge port 901 along the extended air duct to the position of the device battery 2.

[0094] For example, in low-temperature operating conditions with low ambient temperature, the temperature regulation component 10 heats the airflow. The warm airflow blows towards the docking area, which can quickly melt the thin layer of ice on the surface and accelerate the evaporation of residual water vapor, preventing low-temperature water accumulation and ice formation that covers the conductive contacts 302. At the same time, the warm airflow blows through the battery 2, preventing the battery 2 from losing activity, its charging capacity from decreasing, and its charging and discharging internal resistance from increasing in low-temperature environments, thus ensuring stable charging power in low-temperature environments.

[0095] In high-temperature environments or during long-term high-power charging, the temperature regulation component 10 lowers the airflow temperature. The low-temperature airflow simultaneously cools the wireless transmission coil 301, conductive contacts 302, communication coil 6, and battery 2, quickly removing operating heat, suppressing overall temperature rise, and reducing safety hazards such as high-temperature aging of the coil insulation layer, contact oxidation and ablation, and overheating and bulging of the battery 2, as well as thermal runaway. Simultaneously, the power replenishment device relies on the same temperature-regulating airflow to perform multiple functions, including cleaning and drying the docking area, temperature control of the transmission device 3 and communication coil 6, and temperature control of its own battery 2. This eliminates the need for separate heating and cooling equipment, reducing the number of components and the overall space occupied by the device.

[0096] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application, and all such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A power replenishment device, characterized in that, include: The base (1) is equipped with a battery (2); A transmission device (3) is provided on the base (1) and electrically connected to the battery (2) for transmitting electrical energy to the electrical equipment; Multiple mobile modules (4) are divided into a first group of mobile modules (4a) and a second group of mobile modules (4b). The travel direction of the first group of mobile modules (4a) intersects with the travel direction of the second group of mobile modules (4b). The mobile module (4) includes a drive assembly (401) and a drive wheel mechanism (402). The drive assembly (401) is connected to the base (1) and has a movable member (4012) that can move along the height direction of the energy replenishment device. The drive wheel mechanism (402) is mounted on the movable member (4012).

2. The energy replenishment device according to claim 1, characterized in that, The mobile module (4) further includes a buffer assembly (403), and the drive wheel mechanism (402) includes: The mounting part (4021) is rotatably connected to the moving part (4012), and the rotation axis of the mounting part (4021) intersects or is not parallel to the moving direction of the moving part (4012). The buffer assembly (403) is connected to the moving part (4012) and the mounting part (4021). The rotating part (4022) is rotatably connected to the mounting part (4021) and is used to drive the energy replenishment device to move.

3. The energy replenishment device according to claim 2, characterized in that, The drive wheel mechanism (402) includes a hub motor and a tire fitted on the outside of the hub motor. The mounting part (4021) includes a pivot of the hub motor. The rotating part (4022) includes the housing of the hub motor and the tire. Alternatively, the drive wheel mechanism (402) includes a drive motor and a wheel body connected to the output shaft of the drive motor, the mounting part (4021) includes the housing of the drive motor, and the rotating part (4022) includes the wheel body.

4. The energy replenishment device according to claim 1, characterized in that, The energy replenishment device has a traveling mode and a braking mode. In the traveling mode, one of the first group of moving modules (4a) and the second group of moving modules (4b) is in contact with the ground, while the other is lifted off the ground. In the braking mode, both the first group of moving modules (4a) and the second group of moving modules (4b) are in contact with the ground.

5. The energy replenishment device according to any one of claims 1-4, characterized in that, The power replenishment device also includes a positioning component (5), which is disposed on the base (1). The positioning component (5) is used to adapt to the positioning structure on the power equipment so that the transmission device (3) can be connected to the power equipment.

6. The energy replenishment device according to claim 5, characterized in that, The positioning component (5) includes multiple radars (501), wherein four of the radars (501) are arranged in a rectangular pattern, and at least one other radar (501) is arranged in the area enclosed by the line connecting the four radars (501). Each radar (501) is adapted to the positioning structure in a one-to-one correspondence, and the transmission device (3) is arranged in the area.

7. The energy replenishment device according to any one of claims 1-4, characterized in that, The transmission device (3) includes: A wireless power transmission coil (301) is electrically connected to the battery (2) and is used to wirelessly transmit electrical energy to the electrical device; And / or, a charging component, electrically connected to the battery (2), and provided with conductive contacts (302) that can make contact with electrical equipment, the conductive contacts (302) being disposed on the surface of the base (1).

8. The energy replenishment device according to claim 7, characterized in that, The power replenishment device also includes a communication component, which is disposed on the base (1).

9. The energy replenishment device according to claim 8, characterized in that, The communication component includes a communication coil (6), which is arranged around the inside or outside of the wireless transmission coil (301), and the conductive contact (302) is arranged inside or outside the wireless transmission coil (301).

10. The energy replenishment device according to any one of claims 1-4, characterized in that, The base (1) has an air outlet (101) on the side for connecting with electrical equipment. The energy replenishment device also includes a fan (8) and a duct assembly (9). The air outlet of the fan (8) is connected to the air outlet (101) through the duct assembly (9).

11. The energy replenishment device according to claim 10, characterized in that, The energy replenishment device also includes a wind plate (7), which is angle-adjustable at the air outlet (101) and is used to open or close the air outlet (101) or adjust the air outlet (101) air outlet direction.

12. The energy replenishment device according to claim 11, characterized in that, The seat (1) is provided with air outlets (101) on all four sides, and each air outlet (101) is provided with a wind plate (7). Along the circumference of the seat (1), at least part of the wind plate (7) of each air outlet (101) is tilted in the same direction of rotation.

13. The energy replenishment device according to claim 11, characterized in that, The air outlet (101) is provided with at least one set of air panels (7) arranged along the edge of the seat (1); Along the extension direction of the edge of the seat (1), the tilt angles of each of the wind plates (7) in the same group increase or decrease sequentially.

14. The energy replenishment device according to claim 10, characterized in that, The air duct assembly (9) also extends to the location of the battery (2), and the air duct assembly (9) is provided with a purge port (901) facing the battery (2). And / or, the energy replenishment device further includes a temperature regulation component (10), which is located on the air outlet path of the fan (8) and is used to heat or cool the airflow generated by the fan (8).

Images