Unmanned aerial vehicle centering platform control circuit

Abstract

The utility model discloses an unmanned aerial vehicle centering platform control circuit which comprises an MCU system module, a plurality of limiting detection interfaces, a plurality of position detection interfaces and a plurality of stepping motor interfaces. And each position detection interface is used for connecting different position detection sensors and is respectively connected with the MCU system module. And each limiting detection interface is used for connecting different limiting sensors and is in signal connection with the MCU system module. And each stepping motor interface is used for connecting different stepping motors and is connected with the MCU system module through different stepping motor driving modules. The MCU system module monitors the position of the centering rod in real time through the position detection sensor connected with the position detection interface so as to control the stepping motor connected with the corresponding stepping motor interface to drive the centering rod to move, and the moving range of the centering rod is limited through the limiting sensor connected with the limiting detection interface. Therefore, the unmanned aerial vehicle is pushed to a proper position of the centering platform.

Description

Technical Field

[0001] The utility model relates to the technical field of take-off or landing devices of unmanned aerial vehicles, and particularly relates to a control circuit for an unmanned aerial vehicle centering platform. Background Art

[0002] The centering mechanism of an unmanned aerial vehicle is mainly arranged in the parking cabin of the unmanned aerial vehicle and is used to automatically adjust the unmanned aerial vehicle to a proper position on the parking platform so as to complete the storage of the unmanned aerial vehicle.

[0003] For example, the patent with the publication number CN220616242U discloses a centering device for an unmanned aerial vehicle parking apron. Two transverse centering levers are both arranged on the top of a workbench and are both connected with a transverse centering mechanism; two longitudinal centering levers are both arranged on the top of the workbench and are both connected with a longitudinal centering mechanism; the longitudinal centering mechanism is used to drive the two longitudinal centering levers to move towards each other on a transverse axis, and the transverse centering mechanism is used to drive the two transverse centering levers to move towards each other on a longitudinal axis, so as to push the unmanned aerial vehicle to a preset position on the workbench, thereby completing the centering operation. However, in the centering operation, if the moving distance of the transverse centering lever or the longitudinal centering lever is too large or too small, it is possible that the unmanned aerial vehicle cannot be pushed to a proper position on the workbench, resulting in the failure of centering the unmanned aerial vehicle. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a control circuit for an unmanned aerial vehicle centering platform, which can be connected with sensors for detecting the positions of centering levers to control the movement of the centering levers. The specific technical solutions are as follows:

[0005] A control circuit for an unmanned aerial vehicle centering platform is provided. The centering platform is provided with multiple centering levers. In a first implementable manner, it includes:

[0006] An MCU system module;

[0007] Multiple limit detection interfaces, which are connected with the MCU system module through a multiplexed first input isolation circuit;

[0008] Multiple position detection interfaces, which are connected with the MCU system module through a multiplexed second input isolation circuit;

[0009] Multiple stepping motor interfaces, which are respectively electrically connected with a multiplexed stepping motor drive module provided, and the stepping motor drive module is drivingly connected with the MCU system module.

[0010] Combined with the first implementable manner, in a second implementable manner, it further includes:

[0011] A power management module, with a power input interface connected to a power input terminal;

[0012] The charging management module has its charging input end connected to the power output end of the power management module, and its control end is signal-connected to the MCU system module via a charging switch control circuit;

[0013] The battery interface is connected to the charging output end of the charging management module via a charging interface.

[0014] Combined with the second implementation manner, in the third implementation manner, a current detection circuit and a voltage detection circuit are provided between the charging interface and the charging output end.

[0015] Combined with the first implementation manner, in the fourth implementation manner, a temperature and humidity sensor is further included, and this temperature and humidity sensor is signal-connected to the MCU system module.

[0016] Combined with the first implementation manner, in the fifth implementation manner, a lighting interface is further included, and this lighting interface is connected to the MCU system module via an isolation circuit.

[0017] Combined with the fifth implementation manner, in the sixth implementation manner, the lighting interface includes an RGB lamp interface and a contour lamp interface, and the RGB lamp interface and the contour lamp interface are respectively signal-connected to the MCU system module via corresponding isolation circuits.

[0018] Combined with the first implementation manner, in the seventh implementation manner, an internal debugging interface is further included, and this internal debugging interface is signal-connected to the MCU system module.

[0019] Combined with the seventh implementation manner, in the eighth implementation manner, the internal debugging interface includes an SWD interface and a UART interface, and the SWD interface and the UART interface are respectively signal-connected to the corresponding interface ends of the MCU system module.

[0020] Combined with the first implementation manner, in the ninth implementation manner, a CAN bus interface is further included, and this CAN bus interface is communicatively connected to the MCU system module via a CAN driver module.

[0021] Advantageous effects: By adopting the control circuit of the drone centering platform of the present utility model, the MCU system module can be connected to a position detection sensor through the provided position detection interface, so as to monitor the position of the centering rod in real time through the position detection sensor, thereby controlling the stepper motor connected to the corresponding stepper motor interface to drive the centering rod to move and push the drone to a suitable position. It can also be connected to a limit sensor arranged at a preset position through the provided limit detection interface. When the centering rod moves to the preset position, the limit sensor can send a signal to the MCU system module to control the stepper motor connected to the corresponding stepper motor interface to stop driving the centering rod to move, thereby achieving the purpose of limiting the movement range of the centering rod. Description of the Drawings

[0022] To more clearly illustrate the specific embodiments of the present invention, the accompanying drawings required for the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0023] Figure 1 It is the schematic diagram of the control circuit of the drone centering platform provided by an embodiment of the present invention;

[0024] Figure 2 It is the schematic diagram of the circuit of the power management module and the charging management module provided by an embodiment of the present invention;

[0025] Figure 3 It is the schematic diagram of the current detection circuit and the voltage detection circuit provided by an embodiment of the present invention;

[0026] Figure 4 It is the schematic diagram of the circuit of the RGB lamp interface and the contour lamp interface provided by an embodiment of the present invention;

[0027] Figure 5 It is the schematic diagram of the circuit of the internal debugging interface and the CAN bus interface provided by an embodiment of the present invention. Specific Embodiments

[0028] The embodiments of the technical solution of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, so they are only examples and cannot be used to limit the protection scope of the present invention.

[0029] As Figure 1 shown in the schematic diagram of the control circuit of the drone centering platform, the centering platform is provided with multiple centering rods, and the control circuit includes:

[0030] MCU system module;

[0031] Multiple limit detection interfaces, connected to the MCU system module through multiple first input isolation circuits;

[0032] Multiple position detection interfaces, connected to the MCU system module through multiple second input isolation circuits;

[0033] Multiple stepper motor interfaces, respectively electrically connected to multiple stepper motor drive modules provided, and the stepper motor drive modules are drivingly connected to the MCU system module.

[0034] Specifically, the control circuit of the centering platform includes an MCU system module, multiple limit detection interfaces, multiple position detection interfaces and multiple stepper motor interfaces. Figure 1The connection circuit of the stepping motor interface, limit detection interface, and position detection interface corresponding to a single centering rod with the MCU system module.

[0035] Each position detection interface is respectively used to connect different position detection sensors, and is respectively connected to the IO pin signal of the MCU system module through different second input isolation circuits to ensure the reliability of signal transmission.

[0036] Each limit detection interface is respectively used to connect limit sensors located at different positions, and is respectively connected to the IO pin signal of the MCU system module through different first input isolation circuits to ensure the reliability of signal transmission.

[0037] Each stepping motor interface is respectively used to connect different stepping motors, and is respectively connected to the PWM pin of the MCU system module through different stepping motor drive modules.

[0038] The position sensor can real-time monitor the position of the centering push rod, and send the position information to the MCU system module through the connected position detection interface. The MCU system module can then generate corresponding PWM control signals according to the received position information, and send them to the corresponding stepping motor drive modules to drive the stepping motors connected to the corresponding stepping motor interfaces to push the centering rod to move, so as to push the UAV to the appropriate position on the centering platform.

[0039] During the centering process of the UAV, the limit sensor can real-time monitor whether the centering rod exceeds the preset position. When the centering rod reaches the preset position, the limit sensor can send a signal to the MCU system module through the connected limit detection interface. The MCU system module immediately stops sending PWM control signals to the stepping motor drive module to control the stepping motor to stop driving the centering rod, so as to achieve the purpose of limiting the movement range of the centering rod.

[0040] In this embodiment, optionally, it further includes:

[0041] A power management module, with a power input interface connected to the power input terminal;

[0042] A charging management module, with a charging input terminal connected to the power output terminal of the power management module, and a control terminal connected to the MCU system module through a charging switch control circuit;

[0043] A battery interface, connected to the charging output terminal of the charging management module through a charging interface.

[0044] Specifically, as Figure 2As shown, the control circuit further includes a power management module, a charging pipeline module, and a battery interface. The power management module is provided with a power input terminal and a power output terminal. Its power input terminal is connected to a power input interface, and an external power source can be connected through the power input interface. The power output terminal can be connected to the charging input terminal of the charging management module to supply power to the charging management module.

[0045] The charging management module is provided with a charging input terminal, a control terminal, and a charging output terminal. Among them, the charging input terminal is connected to the power output terminal of the power management module, and the charging output terminal is connected to the battery interface through a charging interface. This battery interface is used to connect to the UAV battery to charge the UAV. The control terminal is connected to the IO pin of the MCU system module through a charging switch circuit, and the MCU system module can control the charging management module to charge the UAV connected to the battery interface through the charging switch circuit.

[0046] In this embodiment, optionally, a current detection circuit and a voltage detection circuit are provided between the charging interface and the charging output terminal. Specifically, as Figure 3 shown, a current detection circuit and a voltage detection circuit are provided between the charging output terminal of the charging management module and the charging interface. The current detection circuit and the voltage detection circuit can detect the charging current and charging voltage output by the charging management module and feedback the detection results to the MCU system module so that the MCU system module can monitor the charging situation of the charging management module in real time.

[0047] In this embodiment, optionally, it further includes a temperature and humidity sensor, and the temperature and humidity sensor is signal-connected to the MCU system module. Specifically, the control circuit further includes a temperature and humidity sensor, and the temperature and humidity sensor can be signal-connected to the SPI interface of the MCU system module. The temperature and humidity sensor can monitor the temperature and humidity of the environment where the centering platform is located in real time and feedback the monitoring results to the MCU system module so that the MCU system module can obtain the surrounding environmental parameters in real time.

[0048] In this embodiment, optionally, as Figure 4 shown, it further includes a light interface, and the light interface is connected to the MCU system module through an isolation circuit. Specifically, the control circuit further includes a light interface, and the light interface is connected to the MCU system module through an isolation circuit. Various signal lights arranged on the centering platform can be connected through the light interface, and the MCU system module can control the various signal lights to work to guide the UAV to accurately land on the centering platform.

[0049] In this embodiment, optionally, the light interface includes an RGB light interface and a contour light interface, and the RGB light interface and the contour light interface are respectively signal-connected to the MCU system module through corresponding isolation circuits.

[0050] Specifically, the lighting interface includes an RGB lamp interface and a contour lamp interface. The RGB lamp interface can be connected to an RGB lamp and is connected to the PWM pin of the MCU system module via an isolation circuit. The contour lamp interface can be connected to the contour lamps arranged around the centering platform and is connected to the IO pin of the MCU system module via an output isolation circuit. When the drone lands, the MCU system module can output corresponding PWM control signals through the RGB lamp interface to control the connected RGB lamp to emit corresponding lighting signals, so as to enable the drone to locate the centering platform. At the same time, the contour lamps of the centering platform can be controlled to light up through the contour lamp interface to mark the contour of the centering platform, so that the drone can land in the area of the centering platform.

[0051] In this embodiment, optionally, as Figure 5 shown, it further includes an internal debugging interface, and this internal debugging interface is signal-connected to the MCU system module. Specifically, the control circuit further includes an internal debugging interface, and other devices can be externally connected through the internal debugging interface for system maintenance and fault diagnosis.

[0052] In this embodiment, optionally, the internal debugging interface includes an SWD interface and a UART interface, and the SWD interface and the UART interface are respectively signal-connected to the corresponding interface terminals of the MCU system module.

[0053] Specifically, the internal debugging interface includes an SWD interface and a UART interface. Among them, the UART interface is connected to the UART pin of the MCU system module, and the SWD interface is connected to the SWD pin of the MCU system module. The MCU system module can be connected to devices with different interface types through the SWD interface and the UART interface to expand the applicable range of the system.

[0054] In this embodiment, optionally, it further includes a CAN bus interface, and this CAN bus interface is communicatively connected to the MCU system module via a CAN driver module.

[0055] Specifically, the control circuit further includes a CAN bus interface, and this CAN bus interface is connected to the CAN pin of the MCU system module through a CAN driver module. In this way, the MCU system module can communicate with other systems through the CAN bus interface for information interaction with other systems.

[0056] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the present invention, and they should all be covered within the scope of the claims and the description of the present invention.

Claims

1. A control circuit for a centering platform of an unmanned aerial vehicle, wherein the centering platform is provided with a plurality of centering rods, characterized in that: include: MCU system module; Multiple limit detection interfaces are connected to the MCU system module through multiple first input isolation circuits; Multiple position detection interfaces are connected to the MCU system module through multiple second input isolation circuits; The multiple stepper motor interfaces are electrically connected to the set multi-channel stepper motor driving modules respectively, and the stepper motor driving module is drivingly connected to the MCU system module.

2. The UAV centering platform control circuit according to claim 1, characterized in that: Also includes: A power management module, wherein a power input terminal is connected to a power input interface; A charging management module, wherein the charging input terminal is connected to the power output terminal of the power management module, and the control terminal is connected to the MCU system module signal via the charging switch control circuit; The battery interface is connected to the charging output end of the charging management module via the charging interface.

3. The UAV centering platform control circuit according to claim 2, characterized in that: A current detection circuit and a voltage detection circuit are arranged between the charging interface and the charging output end.

4. The UAV centering platform control circuit according to claim 1, characterized in that: It also includes a temperature and humidity sensor, which is connected to the MCU system module signal.

5. The UAV centering platform control circuit according to claim 1, characterized in that: It also includes a lighting interface, which is connected to the MCU system module via an isolation circuit.

6. The UAV centering platform control circuit according to claim 5, characterized in that: The lighting interface includes an RGB light interface and a contour light interface, and the RGB light interface and the contour light interface are respectively connected to the MCU system module signal via corresponding isolation circuits.

7. The UAV centering platform control circuit according to claim 1, characterized in that: It also includes an internal debugging interface, which is connected to the MCU system module signal.

8. The UAV centering platform control circuit according to claim 7, characterized in that: The internal debugging interface includes a SWD interface and a UART interface, and the SWD interface and the UART interface are respectively connected to corresponding interface end signals of the MCU system module.

9. The UAV centering platform control circuit according to claim 1, characterized in that: It also includes a CAN bus interface, which is communicatively connected with the MCU system module via a CAN driver module.

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