A UAV charging and battery replacement system based on wireless charging technology

Abstract

The present application proposes a drone charging and battery replacement system based on wireless charging technology, which belongs to the field of drone wireless charging technology. The system includes: multiple drones, a battery charging area, a battery storage area and a control device. Among them, all drones are equipped with a main battery box and a secondary battery. The main battery box is a disposable battery box, and the drone and the main battery box are docked by electromagnetic induction; the battery charging area includes multiple charging positions with a first charging coil, and the charging position is docked with the main battery box by electromagnetic induction; a first transportation path is set between the drone battery replacement area and the battery charging area, and a second transportation path is set between the battery storage area and the drone battery replacement area; a transportation channel is set between the battery charging area and the battery storage area. The present application can realize the rapid power supply of a large number of drones, improve the charging efficiency of drones, and avoid the problem of exposed battery contacts.

Description

Technical Field

[0001] The present application relates to the field of wireless charging technology for drones, and in particular to a drone charging and battery replacement system based on wireless charging technology. Background Art

[0002] Drones, equipped with a variety of sensors, can quickly, efficiently, and accurately collect and process data, offering significant application value in areas such as urban traffic patrols, power facility inspections, and rapid logistics transportation. However, due to limitations in size and battery capacity, drone endurance has been a significant challenge hindering their development and application. Existing drone charging methods have the following issues:

[0003] First, the method of charging the drone after landing is slow and time-consuming, making it unsuitable for scenarios with high energy consumption and high frequency of deployment.

[0004] Secondly, replacing drone batteries manually requires high labor costs, is inefficient, and has large limitations, making it unsuitable for unmanned scenarios. How to achieve rapid power replenishment for large quantities of drones under unmanned conditions has become a technical challenge in this field. In order to ensure the continuity of drone operations and improve the utilization rate of drones, the battery replacement solution is more advantageous than the charging solution. In a Chinese invention patent entitled "An Unmanned Battery Replacement Station for Power Inspection Drones" with authorization announcement number CN113276725B, a drone battery replacement station in an unmanned scenario is proposed. However, the invention fails to solve the problem of exposed drone battery contacts. The drone battery replacement station proposed in the invention cannot adapt to complex environments. For example, if used in rainy and snowy weather, it will cause a short circuit in the entire battery replacement system. In addition, the exposed battery contacts are easily damaged, resulting in poor contact of the battery replacement system.

[0005] Therefore, it is necessary to propose a solution to improve one or more problems existing in the above-mentioned related technical solutions.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to ordinary technicians in this field. Summary of the Invention

[0007] The present invention provides a charging and battery replacement system for a drone based on wireless charging technology, the system comprising:

[0008] Multiple drones, all of which are equipped with a main battery box and a secondary battery. The main battery box is a disposable battery box containing a main battery. The drones are docked with the main battery box via electromagnetic induction.

[0009] A drone battery replacement area, comprising multiple parking areas, each of which is only capable of parking one drone during the same charging period;

[0010] a battery charging area, the battery charging area including a plurality of charging positions, each of which is provided with a first discharge coil, the lower end of which is connected to a power supply device, and the charging position is connected to the main battery box via electromagnetic induction;

[0011] A battery storage area, wherein the battery storage area is provided with a plurality of storage positions, wherein the storage positions are used to store the fully charged main battery boxes;

[0012] A control device, the control device being respectively communicatively connected to all the drones, the drone battery replacement area, the battery charging area, the battery storage area, and all the discarded main battery boxes;

[0013] Among them, all the drones, the drone battery replacement area, the battery charging area, the battery storage area and all the discarded main battery boxes are communicated and connected with each other; a first transportation path is set between the drone battery replacement area and the battery charging area, and a second transportation path is set between the battery storage area and the drone battery replacement area; the battery charging area and the battery storage area are provided with a transportation channel.

[0014] In an exemplary embodiment of the present application, the main battery box is hung below the drone, and the auxiliary battery is arranged in the bottom cabin of the drone.

[0015] In an exemplary embodiment of the present application, the charging and battery replacement process of the drone includes the following steps:

[0016] The UAV flies above the helipad and hovers at a preset height;

[0017] The power subsystem inside the drone switches the power source to the secondary battery as power input, and relies on the secondary battery to maintain the drone in a hovering state;

[0018] After the control device detects the stability of the hovering state of the drone, dropping the main battery box to be charged;

[0019] The control device controls the main battery box to move along the first transport path to the idle charging position for charging. After the main battery box is fully charged, the control device controls the fully charged main battery box to move to the idle storage position.

[0020] The control device controls the fully charged main battery box in the battery storage area to move to the landing pad below the drone to be replaced;

[0021] The drone is locked and connected to the fully charged main battery box using a bracket, and the power subsystem switches the power source to the main battery box as power input, completing the charging and battery replacement process of the drone.

[0022] In an exemplary embodiment of the present application, the main battery box includes:

[0023] A housing, wherein the upper cover of the housing is provided with a shell cover, a first charging coil is provided on the bottom inner end surface of the housing, one end of the first charging coil is connected to the bottom inner end surface of the housing, and the other end of the first charging coil is connected to a first shielding ferrite; a plurality of driving wheels are provided at the lower end of the housing; and a pair of corresponding brackets are provided on both sides of the housing;

[0024] A second discharge coil is provided on the inner end surface of the shell cover, the upper end of the second discharge coil is connected to the inner end surface of the shell cover, and the lower end of the second discharge coil is connected to a second shielding ferrite;

[0025] A plurality of induction components, all of which are arranged on the head of the shell;

[0026] a signal receiving component, the signal receiving component being arranged at the rear portion of the housing;

[0027] wherein, in the space formed by the shell and the shell cover, the main battery is arranged between the first shielding ferrite and the second shielding ferrite, and there are gaps between the main battery and the first shielding ferrite and the second shielding ferrite respectively;

[0028] Inside the shell, an inverter and a rectifier and voltage stabilizer are provided at one end close to the head of the shell, and the inverter and the rectifier and voltage stabilizer are respectively connected to the main battery. A central processing unit is provided at one end close to the tail of the shell, and the central processing unit is respectively connected to the first charging coil, the second discharging coil, all the induction components, the signal receiving component, the inverter and the rectifier and voltage stabilizer.

[0029] In an exemplary embodiment of the present application, the plurality of inductive components include an inductive array and at least one ultrasonic probe, and both the inductive array and the ultrasonic probe are disposed on the head of the shell.

[0030] In an exemplary embodiment of the present application, the first discharging coil and the first charging coil charge the main battery through electromagnetic induction.

[0031] In an exemplary embodiment of the present application, a second charging coil is provided at the bottom of the drone, and a third shielding ferrite is provided at the lower end of the second charging coil. After the drone is tightly connected to the fully charged main battery box, the second discharge coil and the second charging coil provide power to the drone through electromagnetic induction.

[0032] In an exemplary embodiment of the present application, an exit connected to the first transport path is respectively provided on one side of all the helipads, and an entrance connected to the second transport path is respectively provided on the other side of all the helipads. The main battery box to be charged drives out from the exit and arrives at the charging position via the first transport path, and the fully charged main battery box drives into the helipad from the entrance via the second transport path.

[0033] In an exemplary embodiment of the present application, the main battery is a lithium polymer battery.

[0034] Beneficial effects:

[0035] This application provides a UAV charging and battery replacement system based on wireless charging technology, which has at least the following beneficial effects:

[0036] (1) The present application provides a UAV battery replacement area, which includes multiple parking aprons; a battery charging area, which includes multiple charging positions; a battery storage area, which includes multiple storage positions; and a control device to control the charging and battery replacement process of the UAV, thereby achieving rapid power supply for a large number of UAVs and improving the charging efficiency of the UAVs.

[0037] (2) This application avoids the problem of exposed battery contacts by designing the main battery box as a disposable, removable, and rechargeable structure;

[0038] (3) The present application achieves wireless charging during the charging and power supply process of the drone by designing the drone and the main battery box to be docked by electromagnetic induction, and the charging position is docked with the main battery box by electromagnetic induction. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification, are used to explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can derive other drawings based on these drawings without inventive effort.

[0040] Figure 1 A schematic diagram showing the partitioning of a UAV charging and battery replacement system in an exemplary embodiment of the present application is shown;

[0041] Figure 2 A schematic diagram showing the steps of the charging and battery replacement process of a drone in an exemplary embodiment of the present application;

[0042] Figure 3 A schematic diagram showing a battery replacement process for a drone in an exemplary embodiment of the present application;

[0043] Figure 4 A schematic diagram showing circuit switching between the UAV power system, the main battery box, and the auxiliary battery in an exemplary embodiment of the present application is shown;

[0044] Figure 5a A schematic diagram showing the external structure of the main battery box in an exemplary embodiment of the present application is shown;

[0045] Figure 5b A schematic diagram showing the internal structure of the main battery box in an exemplary embodiment of the present application is shown;

[0046] Figure 5c A schematic diagram showing the structure of the drone and the main battery box mounted in an exemplary embodiment of the present application;

[0047] Figure 6 A schematic diagram showing the wiring connection between the power system and the main battery box of the drone in an exemplary embodiment of the present application is shown;

[0048] Figure 7 A schematic diagram showing the principle of charging and battery replacement for a drone in an exemplary embodiment of the present application is shown.

[0049] In the figure, 100, main battery box; 110, shell; 111, first charging coil; 112, first shielding ferrite; 113, driving wheel; 114, bracket; 115, inductor array; 116, ultrasonic probe; 117, signal receiving element; 120, shell cover; 121, second discharge coil; 122, second shielding ferrite; 130, main battery; 140, inverter; 150, rectifier and voltage regulator; 160, central processing unit; 200, drone; 210, second charging coil; 220, third shielding ferrite. DETAILED DESCRIPTION

[0050] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concepts of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0051] In addition, the accompanying drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. Identical reference numerals in the figures denote identical or similar parts, and thus repetitive descriptions thereof will be omitted. Some of the blocks shown in the accompanying drawings are functional entities that do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software, in one or more hardware modules or integrated circuits, or in different networks and / or processor devices and / or microcontroller devices.

[0052] This example embodiment provides a UAV charging and battery replacement system based on wireless charging technology, such as Figure 1 As shown, the system may include:

[0053] Multiple drones, all equipped with a main battery box and secondary batteries. The main battery box is a disposable battery box that contains the main battery. The drones and the main battery box are docked through electromagnetic induction.

[0054] The drone battery replacement area includes multiple parking areas, each of which only allows one drone to park during the same charging time.

[0055] The battery charging area includes multiple charging positions, each of which is provided with a first discharge coil, the lower end of which is connected to a power supply device, and the charging position is connected to the main battery box through electromagnetic induction;

[0056] The battery storage area is provided with multiple storage locations for storing fully charged main battery boxes;

[0057] The control device is respectively connected to all drones, the drone battery replacement area, the battery charging area, the battery storage area and all the dropped main battery boxes;

[0058] Among them, all drones, drone battery replacement areas, battery charging areas, battery storage areas and all discarded main battery boxes are communicated and connected with each other; a first transportation path is set between the drone battery replacement area and the battery charging area, and a second transportation path is set between the battery storage area and the drone battery replacement area; and a transportation channel is set in the battery charging area and the battery storage area.

[0059] The present application provides a UAV charging and battery replacement system based on wireless charging technology, which has at least the following beneficial effects:

[0060] (1) The present application provides a UAV battery replacement area, which includes multiple parking aprons; a battery charging area, which includes multiple charging positions; a battery storage area, which includes multiple storage positions; and a control device to control the charging and battery replacement process of the UAV, thereby achieving rapid power supply for a large number of UAVs and improving the charging efficiency of the UAVs.

[0061] (2) This application avoids the problem of exposed battery contacts by designing the main battery box as a disposable, removable, and rechargeable structure;

[0062] (3) The present application achieves wireless charging during the charging and power supply process of the drone by designing the drone and the main battery box to be docked by electromagnetic induction, and the charging position is docked with the main battery box by electromagnetic induction.

[0063] The UAV charging and battery replacement system based on wireless charging technology proposed in this example embodiment is now described in more detail.

[0064] This application adopts the design concept of "battery swap station dispatching and drone autonomous battery swapping". Figure 1 As can be seen, this application divides the entire base station into different functional areas, including:

[0065] The UAV battery swap area has multiple parking lots set up in the UAV battery swap area. The UAV battery swap area is marked with H, and all parking lots are marked with H combined with Arabic numerals. In this embodiment, 6 parking lots are set up in the UAV battery swap area, marked as H1, H2, H3, H4, H5 and H6 respectively. Figure 1 As you can see, each landing pad has an exit above it, all connected to the first transport path. Main battery packs waiting to be charged are transported from these exits via the first transport path to an available charging position within the battery charging area. Each landing pad has an entrance below it, all connected to the second transport path. Fully charged main battery packs are transported onto the landing pad via the second transport path.

[0066] The battery charging area has multiple charging positions. The battery charging area is marked with C, and all charging positions are marked with C combined with Arabic numerals. In this embodiment, 6 charging positions are set in the battery charging area, which are marked as C1, C2, C3, C4, C5 and C6. Figure 1 It can be seen that the battery charging area is connected to the first transport path and to the battery storage area, that is, a transport channel is provided.

[0067] The battery storage area has multiple storage locations. The battery storage area is marked with B, and all storage locations are marked with B combined with Arabic numerals. In this embodiment, 9 storage locations are set in the battery storage area, which are marked as B1, B2, B3, B4, B5, B6, B7, B8 and B9. Figure 1 It can be seen that the battery storage area is connected to the second transport path, and the fully charged main battery box is driven into the apron from the entrance via the second transport path.

[0068] Furthermore, the provision of different transport paths and channels can prevent congestion and collision during the movement of the main battery box.

[0069] Control device, by Figure 1 It can be seen that the entire base station is covered by WIFI signals. All main battery boxes and nearby drones will automatically be assigned corresponding IP addresses and identifications to access the intranet. The entire base station is uniformly controlled and dispatched by the control device. Different functional areas are assigned different identifications and independent names. For example, the drone battery replacement area mentioned above is identified as H, the battery charging area is identified as C, and the battery storage area is identified as B. The paths between different functional areas are fixed. The control device only needs to send instructions to different functional areas to the movable main battery box, and the main battery box will move along the unique path.

[0070] In one embodiment, Figure 2 and Figure 3 As shown in the figure, within the entire base station, the process of charging and replacing the battery of the drone includes the following steps:

[0071] Step S101: The drone flies above the landing pad, connects to the intranet and hovers at a preset height.

[0072] Step S102: The power subsystem inside the drone switches the power source to the secondary battery as the power input, and relies on the secondary battery to keep the drone in a hovering state.

[0073] Furthermore, the drone's need for rapid battery swapping requires adjustments to its power layout. Since drones need to maintain a short hovering state after dropping the main battery pack, they also need a smaller onboard battery as a secondary battery in addition to the high-capacity main battery. These two batteries can be switched autonomously by the drone, and after the drone's battery swap is complete, the main battery pack can recharge the secondary battery.

[0074] Furthermore, if Figure 4As shown, the drone's main battery compartment houses the main battery, inverter, and rectifier / voltage regulator components, while the secondary battery serves as an onboard battery. Single-pole double-throw (SPDT) switches S1 and S2 are used to switch the connection between the main and secondary battery compartments and the drone's power subsystem. When SPDT switch S1 is closed downward, switch S2 is open, connecting the main battery compartment to the drone's power subsystem and providing power to the system. When SPDT switch S1 is closed upward, switch S2 is closed, connecting the secondary battery to the drone's power subsystem and simultaneously charging the secondary battery from the main battery compartment until it is fully charged. A voltage-stabilizing capacitor is used to filter voltage fluctuations during the switching process. Thus, by controlling the switching of different switches by the drone, switching between the main and secondary batteries and recharging energy can be achieved.

[0075] Step S103: After the control device detects the stability of the hovering state of the drone, it drops the main battery box to be charged.

[0076] Step S104: the control device controls the main battery box to move along the first transport path to an idle charging position for charging. After the main battery box is fully charged, the control device controls the fully charged main battery box to move to an idle storage position.

[0077] Furthermore, if Figure 5a 、 Figure 5b and Figure 5c As shown, in order to achieve wireless charging and mobility of the main battery box 100, the internal and external structures of the main battery box 100 are specifically designed in this embodiment.

[0078] The main battery box 100 includes:

[0079] The housing 110 is provided with a cover 120 on the upper portion of the housing 110. A first charging coil 111 is provided on the inner end surface of the bottom of the housing 110. One end of the first charging coil 111 is connected to the inner end surface of the bottom of the housing 110, and the other end of the first charging coil 111 is connected to a first shielding ferrite 112. A plurality of driving wheels 113 are provided at the lower end of the housing 110. A pair of corresponding hangers 114 are provided on both sides of the housing 110.

[0080] A second discharge coil 121 is provided on the inner end surface of the housing cover 120 . The upper end of the second discharge coil 121 is connected to the inner end surface of the housing cover 120 , and the lower end of the second discharge coil 121 is connected to a second shielding ferrite 122 .

[0081] Various sensing components, all of which are arranged at the head of the housing 110;

[0082] Furthermore, in this embodiment, the various sensing components are preferably provided at the top of the housing 110, including an inductor array 115 and two ultrasonic probes 116. The two ultrasonic probes 116 are symmetrically positioned below the inductor array 115. The inductor array 115 detects electromagnetic signals to guide the main battery box 100. The ultrasonic probes 116 detect echo signals, thereby enabling the main battery box 100 to avoid obstacles.

[0083] A signal receiving element 117 is provided at the rear of the housing 110 ;

[0084] In which, in the space formed by the shell 110 and the shell cover 120, a main battery 130 is arranged between the first shielding ferrite 112 and the second shielding ferrite 122, and there is a gap between the main battery 130 and the first shielding ferrite 112 and the second shielding ferrite 122 respectively; in this embodiment, the main battery 130 is preferably a lithium polymer battery.

[0085] Inside the shell 110, an inverter 140 and a rectifier and voltage stabilizer 150 are provided at one end near the head of the shell 110. The inverter 140 and the rectifier and voltage stabilizer 150 are respectively connected to the main battery 130. A central processing unit 160 is provided at one end near the tail of the shell 110. The central processing unit 160 is respectively connected to the first charging coil 111, the second discharging coil 121, all inductive components, the signal receiving component 117, the inverter 140 and the rectifier and voltage stabilizer 150.

[0086] Furthermore, a first discharge coil is provided at each charging position, and a power supply device is connected to the lower end of the first discharge coil. The first discharge coil and the first charging coil 111 realize wireless charging of the main battery 130 by electromagnetic induction.

[0087] Furthermore, a second charging coil 210 is provided at the bottom of the drone 200. A third shielding ferrite 220 is provided at the lower end of the second charging coil 210. When the drone 200 is securely connected to the fully charged main battery pack 100, the second discharge coil 121 and the second charging coil 210 wirelessly charge the drone 200 via electromagnetic induction.

[0088] Further, by Figure 6As shown, the main battery 130 converts direct current (DC) into high-frequency alternating current (AC) via the inverter 140 and resonant circuit, generating a high-frequency electromagnetic field through the second discharge coil 121. The arrangement of the first shielding ferrite 112, the second shielding ferrite 122, and the third shielding ferrite 220 confines the electromagnetic field between the coils, thereby improving the electromagnetic coupling coefficient and the efficiency of coil energy transfer. After receiving the high-frequency electromagnetic field, the drone 200's second charging coil 210 is compensated and regulated by the drone's resonant circuit to generate high-frequency AC power. This power is then converted to stable DC power by the drone's rectifier and voltage regulator 150, which then supplies the drone's power subsystem.

[0089] Step S105: The control device controls the fully charged main battery box in the battery storage area to move to the apron below the drone to be replaced.

[0090] Step S106: The drone uses the bracket to lock and connect with the fully charged main battery box, and the power subsystem switches the power source to the main battery box as the power input, completing the charging and battery replacement process of the drone.

[0091] The principle of the entire charging and battery replacement process of the drone is as follows Figure 7 As shown, the drone navigates to the base station based on Beidou positioning. The drone saves the configuration information and password of the base station network. After identifying the network WIFI and SSID of the base station, it will automatically connect and send a battery replacement request. After the base station receives the drone's battery replacement request, the control device traverses the entire drone battery replacement area starting from position H1. If the helipad is occupied, the control device displays the location of the helipad as 1, otherwise it displays 0. The base station determines the unoccupied helipad, sends the location of the helipad to the drone, and turns on the indicator light of the helipad to assist the drone's electronic map in guiding the drone to be replaced to the top of the helipad. Figure 7 The battery swap station is the base station.

[0092] Simultaneously, the base station traverses the battery charging area and battery storage area, identifying available charging locations and the storage location of a fully charged main battery pack. As the main battery pack enters the designated landing pad, the base station's control unit activates electromagnetic guidance on a unique path from the battery storage area to the landing pad, guiding the fully charged main battery pack to the designated landing pad and then disabling guidance. The drone arrives at the designated landing pad, descends to a hovering altitude, and then drops the main battery pack, transmitting status information to the control unit. The control unit then activates electromagnetic guidance on a unique path from the landing pad to the battery charging area. The dropped main battery pack, awaiting charging, moves to the designated charging location and wirelessly charges. The drone identifies the location of the fully charged main battery pack and, using a brief boost from the secondary battery, lands on the fully charged main battery pack, locking and docking, completing the entire charging and battery swapping process.

[0093] The drone charging and battery replacement system based on wireless charging technology proposed in this application, first of all, can avoid the ablation problem caused by the exposed charging contacts of the battery through the special design of the main battery box and wireless charging technology; secondly, this application adopts the idea of ​​Daxian battery replacement station and the battery replacement scheduling method, which can simultaneously replace the batteries of a large number of drones, greatly improving the power replacement efficiency of drones; finally, the special design of the main battery box makes it movable, so that it can replace the landing gear of the drone, and can also guide charging by itself, thereby realizing the automatic replacement and safe charging of the drone's battery.

[0094] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of this application, the meaning of "plurality" is two or more, unless otherwise clearly specified.

[0095] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

[0096] The above is only a specific implementation method of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with this technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in this application, and these modifications or replacements should be included in the scope of protection of the present application.

[0097] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of this application and include common knowledge or customary techniques in the art that are not disclosed herein.

Claims

1. A UAV charging and battery replacement system based on wireless charging technology, characterized in that: The system includes: Multiple drones, all of which are equipped with a main battery box and a secondary battery. The main battery box is a disposable battery box containing a main battery. The drones are docked with the main battery box via electromagnetic induction. A drone battery replacement area, comprising multiple parking areas, each of which is only capable of parking one drone during the same charging period; a battery charging area, the battery charging area including a plurality of charging positions, each of which is provided with a first discharge coil, the lower end of which is connected to a power supply device, and the charging position is connected to the main battery box via electromagnetic induction; A battery storage area, wherein the battery storage area is provided with a plurality of storage positions, wherein the storage positions are used to store the fully charged main battery boxes; A control device, the control device being respectively communicatively connected to all the drones, the drone battery replacement area, the battery charging area, the battery storage area, and all the discarded main battery boxes; Among them, all the drones, the drone battery replacement area, the battery charging area, the battery storage area and all the discarded main battery boxes are communicated and connected with each other; a first transportation path is set between the drone battery replacement area and the battery charging area, and a second transportation path is set between the battery storage area and the drone battery replacement area; the battery charging area and the battery storage area are provided with a transportation channel.

2. The UAV charging and battery replacement system based on wireless charging technology according to claim 1 is characterized in that: The main battery box is hung below the drone, and the auxiliary battery is arranged in the bottom cabin of the drone.

3. The UAV charging and battery replacement system based on wireless charging technology according to claim 2 is characterized in that: The charging and battery replacement process of the drone includes the following steps: The UAV flies above the helipad and hovers at a preset height; The power subsystem inside the drone switches the power source to the secondary battery as power input, and relies on the secondary battery to maintain the drone in a hovering state; After the control device detects the stability of the hovering state of the drone, dropping the main battery box to be charged; The control device controls the main battery box to move along the first transport path to the idle charging position for charging. After the main battery box is fully charged, the control device controls the fully charged main battery box to move to the idle storage position. The control device controls the fully charged main battery box in the battery storage area to move to the landing pad below the drone to be replaced; The drone is locked and connected to the fully charged main battery box using a bracket, and the power subsystem switches the power source to the main battery box as power input, completing the charging and battery replacement process of the drone.

4. The UAV charging and battery replacement system based on wireless charging technology according to claim 3 is characterized in that: The main battery box includes: A housing, wherein the upper cover of the housing is provided with a shell cover, a first charging coil is provided on the bottom inner end surface of the housing, one end of the first charging coil is connected to the bottom inner end surface of the housing, and the other end of the first charging coil is connected to a first shielding ferrite; a plurality of driving wheels are provided at the lower end of the housing; and a pair of corresponding brackets are provided on both sides of the housing; A second discharge coil is provided on the inner end surface of the shell cover, the upper end of the second discharge coil is connected to the inner end surface of the shell cover, and the lower end of the second discharge coil is connected to a second shielding ferrite; A plurality of induction components, all of which are arranged on the head of the shell; a signal receiving component, the signal receiving component being arranged at the rear portion of the housing; wherein, in the space formed by the shell and the shell cover, the main battery is arranged between the first shielding ferrite and the second shielding ferrite, and there are gaps between the main battery and the first shielding ferrite and the second shielding ferrite respectively; Inside the shell, an inverter and a rectifier and voltage stabilizer are provided at one end close to the head of the shell, and the inverter and the rectifier and voltage stabilizer are respectively connected to the main battery. A central processing unit is provided at one end close to the tail of the shell, and the central processing unit is respectively connected to the first charging coil, the second discharging coil, all the induction components, the signal receiving component, the inverter and the rectifier and voltage stabilizer.

5. The UAV charging and battery replacement system based on wireless charging technology according to claim 4 is characterized in that: The various inductive components include an inductive array and at least one ultrasonic probe, and both the inductive array and the ultrasonic probe are arranged on the head of the shell.

6. The UAV charging and battery replacement system based on wireless charging technology according to claim 4 is characterized in that: The first discharging coil and the first charging coil charge the main battery through electromagnetic induction.

7. The UAV charging and battery replacement system based on wireless charging technology according to claim 6 is characterized in that: A second charging coil is provided at the bottom of the drone, and a third shielding ferrite is provided at the lower end of the second charging coil. After the drone is tightly connected to the fully charged main battery box, the second discharge coil and the second charging coil provide power to the drone through electromagnetic induction.

8. The UAV charging and battery replacement system based on wireless charging technology according to claim 7 is characterized in that: An exit connected to the first transport path is provided on one side of all the helipads, and an entrance connected to the second transport path is provided on the other side of all the helipads. The main battery box to be charged drives out from the exit and arrives at the charging position via the first transport path, and the fully charged main battery box drives into the helipad via the second transport path and the entrance.

9. The UAV charging and battery replacement system based on wireless charging technology according to any one of claims 1 to 8, characterized in that: The main battery is a lithium polymer battery.

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