Dual-mode charging system for unmanned aerial vehicle

Abstract

The utility model discloses a dual-mode charging system for an unmanned aerial vehicle. The dual-mode charging system comprises an airport power supply device arranged on a ground airport and an airborne circuit board arranged on the unmanned aerial vehicle, the airport power supply device comprises a power supply platform, a direct insertion type charging module and a wireless charging module. A power supply module is arranged in the power supply platform. The airborne circuit board comprises an AND gate chip and an OR gate chip, and the output end of the AND gate chip is connected with the first input end of the OR gate chip; a first input end of the AND gate chip is a power supply input end and is used for receiving a first control signal sent by the power supply module, and a second input end of the AND gate chip is connected with a self-driving instrument in the unmanned aerial vehicle and is used for receiving a control level sent by the self-driving instrument; the second input end of the OR gate chip is used for receiving a second control signal of the direct insertion type charging module, and the output end of the OR gate chip is connected with a battery charging switch of the unmanned aerial vehicle. According to the utility model, the unmanned aerial vehicle with two charging modes can be charged, the manufacturing cost is saved, and the charging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane charging technical field especially relates to a unmanned plane double mode charging system. BACKGROUND

[0002] In recent years, the use of unmanned plane is very extensive, and is applied in many fields. But because the endurance time of unmanned plane is short, the battery needs to be replaced or charged generally after 20-30 minutes of continuous flight, which makes the endurance ability of unmanned plane affected, and reduces the ability of unmanned plane to perform work tasks autonomously.

[0003] At present, the charging mode of unmanned plane mainly includes three kinds, namely, direct insertion type charging, wireless charging and battery replacement type charging. Among them, the direct insertion type charging and the wireless charging both need to send a level signal meeting the charging condition to the intelligent battery inside the unmanned plane, so as to carry out the charging operation. The level signal of the direct insertion type charging depends on the controller of the unmanned plane airport, and the level signal of the wireless charging depends on the on-board computer of the unmanned plane itself. Moreover, the unmanned plane using the direct insertion type charging or the wireless charging uses different charging devices or charging systems, the structure of the charging device or the charging system is relatively complex, is not convenient to maintain, has high cost, and has low compatibility.

[0004] In the process of realizing the utility model, the inventor finds that there are at least the following problems in the prior art:

[0005] The existing direct insertion type charging or wireless charging unmanned plane uses different charging devices or charging systems, has high manufacturing cost, and has low compatibility. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a unmanned plane double mode charging system, so as to solve the technical problems that the existing direct insertion type charging or wireless charging unmanned plane uses different charging devices or charging systems, has high manufacturing cost, and has low compatibility.

[0007] The preferred technical solutions in many technical solutions provided by the utility model can produce many technical effects, which are described in detail below.

[0008] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a unmanned plane double mode charging system, which comprises: an airport power supply device arranged on the ground airport, and an on-board circuit board arranged on the unmanned plane.

[0010] The airport power supply device comprises a power supply platform, a direct insertion type charging module and a wireless charging module, and the power supply platform is internally provided with a power module.

[0011] The on-board circuit board comprises an AND gate chip and an OR gate chip, an output end of the AND gate chip is connected with a first input end of the OR gate chip; the first input end of the AND gate chip is a power input end for receiving a first control signal sent by the power module, a second input end of the AND gate chip is connected with a self-pilot in the unmanned aerial vehicle for receiving a control level sent by the self-pilot; a second input end of the OR gate chip is used for receiving a second control signal of the plug-in charging module, and an output end of the OR gate chip is connected with a battery charging switch of the unmanned aerial vehicle.

[0012] When the battery charging pin of the unmanned aerial vehicle is connected with the plug-in charging module, the plug-in charging module pulls up the second control signal to make the power switch of the unmanned aerial vehicle conductive, so as to realize charging of the battery of the unmanned aerial vehicle by the power module through the plug-in charging module.

[0013] When the unmanned aerial vehicle is coupled with the wireless charging module, the first control signal is pulled up by the unmanned aerial vehicle, and the power module supplies power to the wireless charging module; the second input end of the AND gate chip controls the battery charging switch of the unmanned aerial vehicle to be conductive or closed according to the control level sent by the self-pilot, so as to realize charging or power-off of the battery of the unmanned aerial vehicle by the power module through the wireless charging module.

[0014] Optionally, the on-board circuit board further comprises a first voltage reduction module and a second voltage reduction module; an input end of the first voltage reduction module is connected with the wireless charging module, and an output end thereof is connected with the first input end of the AND gate chip; an input end of the second voltage reduction module is connected with the plug-in charging module, and an output end thereof is connected with the second input end of the OR gate chip.

[0015] Optionally, the power supply platform comprises a relay module, and the plug-in charging module is connected with the power module through the relay module.

[0016] The relay module comprises a first relay and a second relay; the first relay is connected with the power module, and the second relay is connected with the first relay and the plug-in charging module respectively; the first relay is used for controlling opening and closing between the power module and the second relay, and the second relay is used for supplying power to the unmanned aerial vehicle according to a contact condition of a contact point of the plug-in charging module.

[0017] Optionally, the power supply platform further comprises a contactor module, one end of the contactor module is used for being connected with the power module, and the other end thereof is connected with the plug-in charging module and the wireless charging module respectively; and the relay module is used for controlling opening and closing between the power module and the plug-in charging module and the wireless charging module.

[0018] Optionally, the power supply platform further comprises a server, and the server is connected with the power module through a serial port line.

[0019] Optionally, the power supply platform further comprises a PLC control module, and the PLC control module is connected with the relay module, the contactor module and the server respectively, and the PLC control module is used for controlling the relay module and the contactor module to be turned on or turned off according to the signal received by the server.

[0020] Optionally, the direct insertion charging module comprises a centering guide rail and a contact contact point; the centering guide rail is arranged on the power supply platform and can move on the power supply platform to center the unmanned aerial vehicle; and the contact contact point is arranged on the centering guide rail and can contact with the contact leg of the unmanned aerial vehicle.

[0021] Optionally, the direct insertion charging module further comprises a CAN analyzer, and the CAN analyzer is connected with the contact contact point; when the contact leg of the unmanned aerial vehicle contacts with the contact contact point, the CAN analyzer can acquire the power information of the battery of the unmanned aerial vehicle.

[0022] Optionally, the wireless charging module comprises a wireless radio frequency unit and a wireless transmitting unit; the wireless radio frequency unit is used for receiving the radio frequency signal sent by the unmanned aerial vehicle; the wireless radio frequency unit turns on the wireless transmitting unit through the radio frequency signal, so that the wireless transmitting unit is coupled with the wireless receiving unit of the unmanned aerial vehicle, and the battery of the unmanned aerial vehicle is charged.

[0023] Optionally, the type of the AND gate chip is SN74AHC1G08DBVRG4, and the type of the OR gate chip is SN74AHC1G32DBVR.

[0024] The above technical solutions of the utility model have the following advantages or beneficial effects:

[0025] The utility model discloses an airport power supply device and airborne circuit board, and the airport power supply device comprises a power supply platform, a direct insertion charging module and a wireless charging module, the direct insertion charging module is used for contacting with the contact leg of unmanned aerial vehicle, can directly insert the charging of unmanned aerial vehicle, and the wireless charging module is used for coupling with the wireless receiving unit in unmanned aerial vehicle, can charge the wireless charging of unmanned aerial vehicle. The utility model can charge the unmanned aerial vehicle with two charging modes (direct insertion charging mode and wireless charging mode), or charge the direct insertion charging unmanned aerial vehicle and wireless charging unmanned aerial vehicle respectively, save manufacturing cost, improve the charging efficiency of unmanned aerial vehicle, and improve the compatibility of charging system. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to make the technical scheme of the embodiments of the present application clearer, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor, and the drawings are as follows:

[0027] Figure 1 is the overall work flow chart of the unmanned aerial vehicle dual-mode charging system of the embodiments of the present application;

[0028] Figure 2 is the hardware topology diagram of the airport power supply device in the embodiments of the present application;

[0029] Figure 3 is the principle diagram of the AND gate chip and OR gate chip in the airborne circuit board of the embodiments of the present application;

[0030] Figure 4 is the principle diagram of the first voltage reduction module and the second voltage reduction module in the airborne circuit board of the embodiments of the present application. DETAILED DESCRIPTION

[0031] In order to make the technical scheme of the embodiments of the present application clearer, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor, and the drawings are as follows:

[0032] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," etc., indicate the orientation or positional relationship based on the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the referred element must have a specific orientation, or be constructed and operated in a specific orientation. The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. The term "multiple" means two or more. The terms "connected" and "linked" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a communication connection, a direct connection, an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. The term "and / or" includes any and all combinations of one or more of the related listed items. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0033] To illustrate the technical solution described in this utility model, specific embodiments are described below, showing only the parts related to the embodiments of this utility model.

[0034] Example 1:

[0035] like Figure 1 As shown, this utility model provides a dual-mode charging system for unmanned aerial vehicles (UAVs), including: an airport power supply device installed at a ground airport, and an airborne circuit board installed on the UAV.

[0036] like Figures 1-2 As shown, the airport power supply device includes a power supply platform, a direct-plug charging module, and a wireless charging module. The power supply platform contains a power module.

[0037] like Figure 3 As shown, the airborne circuit board includes an AND gate chip and an OR gate chip. The output of the AND gate chip is connected to the first input of the OR gate chip. The first input of the AND gate chip is a power input terminal, used to receive a first control signal sent by the power module. The second input of the AND gate chip is connected to the autopilot in the UAV, used to receive the control level sent by the autopilot. The second input of the OR gate chip is used to receive a second control signal from the plug-in charging module. The output of the OR gate chip is connected to the battery charging switch of the UAV.

[0038] When the drone's battery charging contacts are connected to the plug-in charging module, the plug-in charging module pulls up the second control signal to turn on the drone's power switch, enabling the power module to charge the drone's battery through the plug-in charging module.

[0039] When the unmanned aerial vehicle is coupled with the wireless charging module, the first control signal is pulled high by the unmanned aerial vehicle, and is powered by the power module; and the second input end of the gate chip controls the battery charging switch of the unmanned aerial vehicle to be turned on or turned off according to the control level sent by the autopilot, so as to realize the charging or power-off of the unmanned aerial vehicle battery by the power module through the wireless charging module.

[0040] Specifically, the embodiment recorded in the utility model can charge the unmanned aerial vehicle with two charging modes (direct insertion charging mode and wireless charging mode), or charge the direct insertion charging unmanned aerial vehicle and the wireless charging unmanned aerial vehicle respectively, save the manufacturing cost, improve the charging efficiency, and improve the compatibility of the charging system. The utility model embodiment includes an airport power supply device and an airborne circuit board, the airport power supply device includes a power supply platform, a direct insertion charging module and a wireless charging module, the direct insertion charging module is used for contacting with the contact foot of the unmanned aerial vehicle, and the unmanned aerial vehicle is directly inserted and charged, and the wireless charging module is used for coupling with the wireless receiving unit in the unmanned aerial vehicle, and the unmanned aerial vehicle is wirelessly charged. It should be noted that the airport power supply device and the recorded circuit board are common.

[0041] More specifically, whether the unmanned aerial vehicle has two charging modes, or the direct insertion charging unmanned aerial vehicle or the wireless charging unmanned aerial vehicle, the airborne circuit board recorded in the embodiment needs to be arranged inside, so as to facilitate the unmanned aerial vehicle to use the unmanned aerial vehicle dual-mode charging system in the embodiment to charge. In the following, the airborne circuit board in the embodiment will be introduced in detail.

[0042] As Figure 3As shown, the on-board circuit board includes an AND gate chip U4 and an OR gate chip U2. The output end of the AND gate chip U4 is connected to the first input end of the OR gate chip U2. The first input end of the AND gate chip U4 is a power input end, and the first input end is also connected to the VCC pin of the AND gate chip U4, and a pull-up resistor R2 is connected in the path thereof. When the unmanned aerial vehicle needs to be wirelessly charged, the first control signal C_L1 at the first input end will be pulled high by the pull-up resistor R2, so that it receives the power output by the power supply module. The second input end of the AND gate chip U4 is connected to the autopilot of the wirelessly charged unmanned aerial vehicle, and the state of the second input end is controlled by the autopilot in the unmanned aerial vehicle, for receiving the control level C_NX sent by the autopilot. When the autopilot in the unmanned aerial vehicle is turned on, the wireless receiving unit inside the unmanned aerial vehicle can be manually controlled to be turned on according to the battery condition of the unmanned aerial vehicle. At this time, the wireless receiving unit will be coupled with the wireless charging module in the power supply platform. At this time, the control level C_NX at the second input end is pulled high to input a high level, and the first control signal C_L1 will be pulled high by the pull-up resistor, and the power supply module in the power supply platform will supply power. At this moment, whether the second control signal C_L2 input by the second input pin of the OR gate chip U2 is a high level or a low level, the output pin of the OR gate will output a charging signal C_O to wirelessly charge the battery of the unmanned aerial vehicle. As described above, the charging state of the unmanned aerial vehicle during wireless charging is controlled by the autopilot of the unmanned aerial vehicle itself.

[0043] The first input end of the OR gate chip U2 is connected to the output end of the AND gate chip U4, and the second input end of the OR gate chip U2 is used to receive the second control signal C_L2 of the plug-in charging module. A pull-down resistor R3 is arranged on the second input end. If the contact pin of the unmanned aerial vehicle contacts the plug-in charging module, the second input end of the OR gate chip U2 inputs a high level. At this time, the second control signal C_L2 input by the second input end of the OR gate chip U2 is a high level, and the power supply module in the power supply platform will supply power to the unmanned aerial vehicle. The output pin of the OR gate chip U2 will output a charging signal to charge the unmanned aerial vehicle through the contact pin of the unmanned aerial vehicle. Since the plug-in charging of the unmanned aerial vehicle is performed by contacting the plug-in charging module with the contact pin and charging, the charging state of the plug-in charging unmanned aerial vehicle is controlled by the power supply platform.

[0044] In the AND gate chip U4 and the OR gate chip U2, the first input end is an A pin, the second input end is a B pin, and the output end is a Y pin. The model of the AND gate chip U4 is SN74AHC1G08DBVRG4, and the model of the OR gate chip U2 is SN74AHC1G32DBVR.

[0045] As shown in FIG. 1, the power supply platform includes a power supply module, a wireless charging module, a plug-in charging module, and a control module. The power supply module is used to supply power to the unmanned aerial vehicle. The wireless charging module is used to wirelessly charge the unmanned aerial vehicle. The plug-in charging module is used to plug in and charge the unmanned aerial vehicle. The control module is used to control the power supply module, the wireless charging module, and the plug-in charging module. Figure 4As shown, the on-board circuit board further comprises a first voltage reduction module and a second voltage reduction module. The first voltage reduction module comprises a voltage reduction chip U5, an input end of the voltage reduction chip U5 being connected with the wireless charging module, for receiving a first power supply signal CC_L1 sent by the power supply module to the wireless charging module, and an output end being connected with a first input end of the AND gate chip, for outputting a first control signal C_L1. The second voltage reduction module comprises a voltage reduction chip U6, an input end of the voltage reduction chip U6 being connected with the direct insertion charging module, for receiving a second power supply signal CC_L2 sent by the power supply module, and an output end being connected with a second input end of the OR gate chip, for outputting a second control signal C_L2. The first voltage reduction module and the second voltage reduction module can reduce the input voltage of the power supply platform to 3.3V and then deliver it to the on-board circuit board, so as to turn on the unmanned aerial vehicle charging signal, and facilitate the power supply platform of the airport power supply device to supply power to the unmanned aerial vehicle battery.

[0046] It should be noted that the power supply state of the direct insertion charging module needs to be triggered after the contact pin of the unmanned aerial vehicle is connected with the direct insertion charging module, so as to supply power to the unmanned aerial vehicle. The wireless charging needs to be coupled with the wireless charging module after the pull-up resistor on the AND gate chip U4 pulls up the first control signal C_L1, so as to obtain the voltage of the power supply module and charge the unmanned aerial vehicle.

[0047] In this embodiment, the charging state of the direct insertion charging unmanned aerial vehicle is controlled by the airport power supply device, and the charging state of the wireless charging unmanned aerial vehicle is controlled by the autopilot of the unmanned aerial vehicle itself.

[0048] As an optional implementation, as shown in Figures 1-2 As shown, the power supply platform comprises a relay module, and the direct insertion charging module is connected with the power supply module through the relay module. The relay module comprises a first relay and a second relay. The first relay is connected with the power supply module, and the second relay is connected with the first relay and the direct insertion charging module respectively. The first relay is used to control the opening and closing between the power supply module and the second relay, and the second relay is used to supply power to the unmanned aerial vehicle according to the contact condition of the contact pin of the direct insertion charging module.

[0049] Specifically, as shown in Figures 1-2As shown, the relay module includes a first relay and a second relay, the first relay is arranged between the power module and the second relay, for controlling the on-off between the power module and the second relay, to control the power supply state of the power module for the plug-in charging module. The second relay is connected with the first relay and the plug-in charging module respectively, after the contact of the unmanned aerial vehicle with plug-in charging function and the plug-in charging module are connected, the second relay controls the on-off of the circuit, so that the power of the power module passes through the first relay and the second relay in turn, and finally reaches the plug-in charging module, to charge the unmanned aerial vehicle. It should be noted that the second relay is used to control the power on-off of the plug-in charging module, more specifically, the second relay can also perform model confirmation, to confirm the model of different types of plug-in charging unmanned aerial vehicles, and provide different voltages for different types of plug-in charging unmanned aerial vehicles after confirmation.

[0050] As an optional embodiment, as shown in Figures 1-2 As shown, the power supply platform further includes a contactor module, one end of the contactor module is connected with the power module, the other end is connected with the plug-in charging module and the wireless charging module respectively, and the relay module is used to control the on-off between the power module and the plug-in charging module and the wireless charging module. The contactor module is actually a contactor, the first pin and the third pin of the contactor are connected with the positive output and the negative output of the power module respectively, the third pin and the fourth pin are the positive output and the negative output respectively, and the contactor is used to output voltage and current for the plug-in charging module and the wireless charging module. The role of the contactor module is to protect the circuit and control the on-off of the circuit. Especially when the plug-in charging module is charging the unmanned aerial vehicle, the on-off between the power module and the contact of the unmanned aerial vehicle can be better controlled, so as to avoid sparks generated after the contact of the unmanned aerial vehicle with the plug-in charging module in the power-on state, and improve the safety of charging.

[0051] As an optional embodiment, as shown in Figures 1-2 As shown, the power supply platform further includes a power module, the power module is connected with the plug-in charging module through the relay module, to supply power for the plug-in charging module, and is directly connected with the wireless charging module, to supply power for the wireless charging module. Specifically, the power module is an intelligent power supply, which is adjustable voltage and current, and can charge the unmanned aerial vehicle through the plug-in charging module and the wireless charging module.

[0052] As an optional embodiment, as shown in Figure 1As shown, the contact platform further comprises a server and a PLC control module, the server is mainly used for sending and receiving commands, and is connected with the power module through a serial line to control the opening and closing of the power module. The PLC control module is in communication connection with the server, and the PLC control module can control the working state of the contactor module and the relay module according to the signal sent by the server. Among them, the PLC is connected with the first relay through the sending of Y10 signal through the pin, the PLC is connected with the second relay through the sending of Y12 signal through the pin, and the PLC is connected with the contactor through the sending of Y11 signal through the pin.

[0053] As an optional embodiment, the direct insertion charging module comprises a centering guide rail (not shown in the figure) and a contact contact (not shown in the figure); the centering guide rail is arranged on the power supply platform and can move on the power supply platform to center the direct insertion charging unmanned aerial vehicle; the contact contact is arranged on the centering guide rail, and the contact contact can contact the contact foot of the unmanned aerial vehicle. After the contact foot of the unmanned aerial vehicle is connected with the contact contact, the second relay will be opened under the action of the PLC control module. At this time, the contact contact will be powered on, and the second control signal C_L2 of the pull-up or door core chip second input end will be controlled through the contact foot of the unmanned aerial vehicle to charge the battery of the unmanned aerial vehicle. Specifically, the direct insertion charging module is used for direct insertion charging of the unmanned aerial vehicle. The direct insertion charging module comprises a centering guide rail and a contact contact. The centering guide rail can move on the power supply platform to center the direct insertion charging unmanned aerial vehicle, and the contact foot of the direct insertion charging unmanned aerial vehicle can be contacted with the contact contact after centering, which is convenient for subsequent charging.

[0054] As shown in Figure 1 The direct insertion charging module further comprises a CAN analyzer, which is connected with the contact contact. When the contact foot of the unmanned aerial vehicle contacts the contact contact, the CAN analyzer can obtain the power information of the battery of the unmanned aerial vehicle during the direct insertion charging process. The CAN analyzer is connected with the server through a serial line. After the CAN analyzer obtains the power information of the unmanned aerial vehicle during the direct insertion charging process, it can feed back to the server in real time. The server can send a signal to the PLC control module to control the opening and closing of the relay module and the contactor module, and start or stop charging the unmanned aerial vehicle.

[0055] As an optional embodiment, the wireless charging module comprises a wireless radio frequency unit and a wireless transmitting unit. The wireless radio frequency unit is used for receiving the radio frequency signal sent by the unmanned aerial vehicle. The wireless radio frequency unit opens the wireless transmitting unit through the radio frequency signal, so that the wireless transmitting unit is coupled with the wireless receiving unit of the unmanned aerial vehicle, and the battery of the unmanned aerial vehicle is charged.

[0056] Specifically, the wireless charging module is used for coupling with the unmanned aerial vehicle and wireless charging the unmanned aerial vehicle after coupling. The wireless charging module comprises a wireless radio frequency unit and a wireless transmitting unit. Since the charging state of the unmanned aerial vehicle during wireless charging is controlled by the autopilot of the unmanned aerial vehicle, the autopilot can control the wireless receiving unit in the unmanned aerial vehicle to be turned on, at this time, the control level inputted by the second input end of the gate chip U4 is high level, and the first control signal C_L1 of the first input end is pulled up by the pull-up resistor, after the wireless receiving unit is turned on, the wireless radio frequency unit receives the signal of the wireless receiving unit, and then the wireless radio frequency unit can turn on the wireless transmitting unit, so that the wireless charging module is turned on, and the power module provides power to wireless charge the unmanned aerial vehicle.

[0057] The embodiment is only one specific example, and does not indicate that the utility model is just one implementation mode.

[0058] The above is only the preferred embodiment of the utility model, and those skilled in the art know that various changes or equivalent replacements can be made to the features and embodiments without departing from the spirit and range of the utility model. In addition, the features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the utility model without departing from the spirit and range of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the utility model.

Claims

1. A dual mode charging system for drones, characterized in that, The application relates to an airport power supply device and an on-board circuit board. The airport power supply device comprises a power supply platform, a direct insertion charging module and a wireless charging module, and the power supply platform is internally provided with a power module. The on-board circuit board comprises an AND gate chip and an OR gate chip, the output end of the AND gate chip is connected with the first input end of the OR gate chip; the first input end of the AND gate chip is a power input end and is used for receiving a first control signal sent by the power module; the second input end of the AND gate chip is connected with a self-driving instrument in the unmanned aerial vehicle and is used for receiving a control level sent by the self-driving instrument; the second input end of the OR gate chip is used for receiving a second control signal of the direct insertion charging module, and the output end of the OR gate chip is connected with a battery charging switch of the unmanned aerial vehicle. When the battery charging pin of the unmanned aerial vehicle is connected with the direct insertion charging module, the direct insertion charging module pulls up the second control signal to make the power switch of the unmanned aerial vehicle conductive, so that the power module charges the battery of the unmanned aerial vehicle through the direct insertion charging module. When the unmanned aerial vehicle is coupled with the wireless charging module, the first control signal is pulled up by the unmanned aerial vehicle, the power module supplies power to the wireless charging module, the second input end of the AND gate chip controls the battery charging switch of the unmanned aerial vehicle to be conductive or closed according to the control level sent by the self-driving instrument, so that the power module charges or cuts off the power supply of the battery of the unmanned aerial vehicle through the wireless charging module. The on-board circuit board further comprises a first voltage reduction module and a second voltage reduction module; the input end of the first voltage reduction module is connected with the wireless charging module, and the output end is connected with the first input end of the AND gate chip; the input end of the second voltage reduction module is connected with the direct insertion charging module, and the output end is connected with the second input end of the OR gate chip.

2. The dual mode charging system for drones of claim 1, wherein, The power supply platform comprises a relay module, and the direct insertion charging module is connected with the power module through the relay module.

3. The dual mode charging system for drones of claim 1, wherein, The relay module comprises a first relay and a second relay; the first relay is connected with the power module, and the second relay is connected with the first relay and the direct insertion charging module respectively; the first relay is used for controlling the opening and closing between the power module and the second relay, and the second relay is used for supplying power to the unmanned aerial vehicle according to the contact condition of the contact point of the direct insertion charging module. The power supply platform further comprises a contactor module, one end of the contactor module is connected with the power module, and the other end is connected with the direct insertion charging module and the wireless charging module respectively; the relay module is used for controlling the opening and closing between the power module, the direct insertion charging module and the wireless charging module.

4. The dual mode charging system for drones of claim 3, wherein, The power supply platform further comprises a server, and the server is connected with the power module through a serial port line.

5. The dual mode charging system for drones of claim 4, wherein, ​ 6. The dual mode charging system of claim 5, wherein, The power supply platform further comprises a PLC control module connected with the relay module, the contactor module and the server respectively, and the PLC control module is configured to control the relay module and the contactor module to open or close according to the signal received by the server.

7. The dual mode charging system of claim 1, wherein, The direct insertion charging module comprises a centering guide rail and a contact contact point; the centering guide rail is arranged on the power supply platform and can move on the power supply platform to center the UAV; the contact contact point is arranged on the centering guide rail and can contact the foot of the UAV.

8. The dual mode charging system of claim 7, wherein, The direct insertion charging module further comprises a CAN analyzer connected with the contact contact point, and the CAN analyzer can obtain the power information of the battery of the UAV when the foot of the UAV contacts the contact contact point.

9. The dual mode charging system of claim 1, wherein, The wireless charging module comprises a wireless radio frequency unit and a wireless transmitting unit; the wireless radio frequency unit is configured to receive the radio frequency signal sent by the UAV, and the wireless radio frequency unit is configured to turn on the wireless transmitting unit through the radio frequency signal, so that the wireless transmitting unit is coupled with the wireless receiving unit of the UAV and charges the battery of the UAV.

10. The dual mode charging system for drones of claim 1, wherein, The model of the AND gate chip is SN74AHC1G08DBVRG4, and the model of the OR gate chip is SN74AHC1G32DBVR.

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