Unmanned aerial vehicle cabin control circuit

Abstract

The utility model provides an unmanned aerial vehicle cabin control circuit which comprises an MCU system module, an extension sliding table, a take-off and landing platform cabin door switch, a take-off and landing platform cabin door switch detector and a take-off and landing platform cabin door electric control lock. The first motor control module is connected with the MCU system module through a plurality of paths of first input isolation circuits; the take-off and landing platform cabin door switch comprises a plurality of second motor interfaces which are electrically connected with an arranged second motor control module respectively, and the second motor control module is connected with the MCU system module; the take-off and landing platform cabin door switch detection module comprises a plurality of second limiting detection interfaces which are connected with the MCU system module through a plurality of paths of second input isolation circuits; and the lifting platform cabin door electric control lock comprises a plurality of third motor interfaces and a plurality of third limiting detection interfaces, and is connected with the MCU system module through a plurality of paths of third input isolation circuits and a first output isolation circuit. The cabin door can effectively improve the operation convenience and safety of the cabin door and the automatic storage convenience of the unmanned aerial vehicle, and has wide popularization and application prospects.

Description

Technical Field

[0001] The utility model relates to the technical field of UAV cabins, and particularly relates to a control circuit for a UAV cabin. Background Art

[0002] A UAV is an unmanned aircraft controlled by a radio remote control device and a self - contained program control device. Due to its unmanned characteristics, it can avoid personnel being injured in dangerous environments. Therefore, it can replace traditional aircraft for patrol and reconnaissance work in dangerous areas. Generally, a UAV needs a platform to achieve lifting and lowering. In order to meet the requirement that the UAV can safely lift and lower in various fields, currently, some people set the lifting platform of the UAV on a vehicle. For example, the Chinese patent with the publication number CN112373373A discloses a device with a landing pad set on the roof of a vehicle. When taking off, the UAV is placed on the landing pad, and when landing, the UAV is taken off from the landing pad. The operation is troublesome and the storage function cannot be realized. Therefore, it is necessary to design a safe and reliable control circuit for the UAV cabin to improve the convenience and safety of cabin door operation and the convenience of UAV automatic storage. Content of the Utility Model

[0003] Aiming at the deficiencies of the existing technology, the utility model provides a control circuit for a UAV cabin, which effectively improves the convenience and safety of cabin door operation and the convenience of UAV automatic storage.

[0004] A control circuit for a UAV cabin includes an MCU system module, an extension slide, a landing platform cabin door switch, a landing platform cabin door switch detection, and a landing platform cabin door electric lock, where:

[0005] The extension slide includes a plurality of first motor interfaces and a plurality of first limit detection interfaces, and is connected to the MCU system module through a multi - path first input isolation circuit and a first motor control module. The MCU system module is used to control the expansion and contraction of the extension slide;

[0006] The landing platform cabin door switch includes a plurality of second motor interfaces, which are respectively electrically connected to a set second motor control module. The second motor control module is connected to the MCU system module. The MCU system module is used to control the opening and closing of the landing platform cabin door;

[0007] The landing platform cabin door switch detection includes a plurality of second limit detection interfaces and is connected to the MCU system module through a multi - path second input isolation circuit;

[0008] The landing platform cabin door electric lock includes a plurality of third motor interfaces and a plurality of third limit detection interfaces, and is connected to the MCU system module through a multi - path third input isolation circuit and a first output isolation circuit. The MCU system module is used to control the locking and unlocking of the landing platform cabin door electric lock.

[0009] Further, it also includes a power management module, and a power input interface is connected to the power input terminal.

[0010] Further, it also includes a parameter storage module, and the parameter storage module is communicatively connected to the MCU system module.

[0011] Further, it also includes a CAN bus interface, and this CAN bus interface is communicatively connected to the MCU system module via a CAN drive module.

[0012] Further, it also includes a lighting interface, and this lighting interface is connected to the MCU system module via an isolation circuit.

[0013] Further, 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.

[0014] Further, it also includes an internal debugging interface, and this internal debugging interface is signal-connected to the MCU system module.

[0015] Further, 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.

[0016] Advantageous effects: By adopting the drone cabin control circuit of the present utility model, the MCU system module can be connected to a position detection sensor through each set limit detection interface, so as to monitor the positions of the cabin door and the sliding table in real time through the position detection sensor, thereby controlling the motor connected to the corresponding motor interface to open and close the cabin door, controlling the telescopic expansion of the sliding table, and controlling the locking and unlocking of the electronic control lock, which can effectively improve the convenience and safety of cabin door operation and the convenience of automatic storage of the drone. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.

[0018] Figure 1 It is a structural block diagram of the drone cabin control circuit provided by an embodiment of the present utility model;

[0019] Figure 2 It is a circuit structure diagram of the MCU system module of the drone cabin control circuit provided by an embodiment of the present utility model;

[0020] Figure 3 The circuit structure diagram of the 12V 20A power input interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0021] Figure 4 The circuit structure diagram of the 5V 2A power input interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0022] Figure 5 The circuit structure diagram of the 3.3V 1A power input interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0023] Figure 6 The circuit structure diagram of the 24V 1A power input interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0024] Figure 7 The schematic diagram of each motor interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0025] Figure 8 The circuit structure diagram of each limit detection interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0026] Figure 9 The circuit structure diagram of each lighting interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0027] Figure 10 The circuit structure diagram of the CAN bus interface of the UAV cabin control circuit provided by an embodiment of the present utility model;

[0028] Figure 11 The circuit structure diagram of the internal debugging interface of the UAV cabin control circuit provided by an embodiment of the present utility model. Specific embodiments

[0029] Next, embodiments of the technical solutions of the present utility model will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model, so they are only examples and cannot be used to limit the protection scope of the present utility model.

[0030] It should be noted that unless otherwise specified, the technical terms or scientific terms used in this application should have the ordinary meaning understood by those skilled in the art to which the present utility model belongs.

[0031] In one embodiment, as Figures 1-8 shown, a UAV cabin control circuit includes an MCU system module;

[0032] The extension slide table includes multiple first motor interfaces and multiple first limit detection interfaces, and is connected to the MCU system module through a multi-channel first input isolation circuit and a first motor control module. The MCU system module is used to control the extension and contraction of the extension slide table;

[0033] The takeoff and landing platform hatch switch includes multiple second motor interfaces, which are respectively electrically connected to the provided second motor control module. The second motor control module is connected to the MCU system module. The MCU system module is used to control the opening and closing of the takeoff and landing platform hatch;

[0034] The takeoff and landing platform hatch switch detection includes multiple second limit detection interfaces, and is connected to the MCU system module through a multi-channel second input isolation circuit;

[0035] The takeoff and landing platform hatch electric control lock includes multiple third motor interfaces and multiple third limit detection interfaces, and is connected to the MCU system module through a multi-channel third input isolation circuit and a first output isolation circuit. The MCU system module is used to control the locking and unlocking of the takeoff and landing platform hatch electric control lock.

[0036] In this embodiment, optionally, the extension slide table interface may include 2 first motor interfaces and 4 first limit detection interfaces. Each first limit detection interface is respectively used to connect different slide table position detection sensors, 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. Each first motor interface is respectively used to connect different motors, and is connected to the PWM pin of the MCU system module through the first motor control module.

[0037] The slide table position detection sensor can real-time monitor the position of the slide table slide bar, and send the position information to the MCU system module through the connected first limit detection interface. The MCU system module can generate corresponding PWM control signals according to the received position information, and send them to the corresponding first motor control module to drive the motors connected to the corresponding multiple first motor interfaces to push the slide table slide bar to move, so as to control the extension and contraction of the slide table.

[0038] In this embodiment, optionally, the takeoff and landing platform hatch switch may include 4 second motor interfaces. Each second motor interface is respectively used to connect different motors, and is connected to the PWM pin of the MCU system module through the second motor control module.

[0039] In this embodiment, optionally, the takeoff and landing platform hatch switch detection may include 4 second limit detection interfaces. Each second limit detection interface is respectively used to connect different hatch 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.

[0040] The hatch position detection sensor can monitor the position of the hatch in real time, and send the position information to the MCU system module through the connected second limit 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 second motor control module to drive the motor connected to the corresponding motor interface to push the hatch to move, thereby controlling the opening and closing of the hatch.

[0041] In this embodiment, optionally, the electric control lock interface of the takeoff and landing platform hatch can include 2 third motor interfaces and 2 third limit detection interfaces. Each third limit detection interface is respectively used to connect different hatch switch state sensors, and is respectively connected to the IO pin signal of the MCU system module through different third input isolation circuits to ensure the reliability of signal transmission. Each third motor interface is respectively used to connect different motors and is connected to the PWM pin of the MCU system module through a first output isolation circuit.

[0042] The hatch switch state sensor can monitor the state of the hatch switch in real time, and send the state information of the hatch switch to the MCU system module through the connected third limit detection interface. The MCU system module can then generate corresponding PWM control signals according to the received state information of the hatch switch and send them to the corresponding third motor interface through the first output isolation circuit to drive the motor connected to the corresponding third motor interface to push the electric control lock to move, thereby controlling the locking and unlocking of the electric control lock.

[0043] In this embodiment, optionally, it further includes a power management module, and the power input end is connected with a power input interface; the power management module is provided with a power input end and a power output end. Its power input end is connected with a power input interface, and an external power supply can be connected through the power input interface.

[0044] In this embodiment, optionally, it further includes a parameter storage module, and the parameter storage module is communicatively connected with the MCU system module. The parameter storage module is used to store and manage the configuration parameters and calibration data of the MCU system module.

[0045] In this embodiment, optionally, as Figure 10 shown, it further includes a CAN bus interface, and the CAN bus interface is communicatively connected with the MCU system module through a CAN driver module.

[0046] Specifically, the control circuit further includes a CAN bus interface, and the 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 to facilitate information interaction with other systems.

[0047] In this embodiment, optionally, asFigure 9 As shown, it further includes a lighting interface, which is connected to the MCU system module through an isolation circuit. Specifically, the control circuit further includes a lighting interface, which is connected to the MCU system module through an isolation circuit. Through the lighting interface, various signal lights arranged on the extension sliding table can be connected, and the MCU system module can control the operation of various signal lights to guide the drone to accurately land on the extension sliding table.

[0048] In this embodiment, optionally, 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 through corresponding isolation circuits.

[0049] Specifically, the lighting interface includes an RGB light interface and a contour light interface. The RGB light interface can be connected to an RGB light and is connected to the PWM pin of the MCU system module through an isolation circuit. The contour light interface can be connected to the contour lights arranged around the takeoff and landing platform and is connected to the IO pin of the MCU system module through an output isolation circuit. When opening and closing the hatch, the MCU system module can output corresponding PWM control signals through the RGB light interface to control the connected RGB lights to emit corresponding light signals. At the same time, the MCU system module can control each contour light of the takeoff and landing platform to light up to mark the contour of the takeoff and landing platform.

[0050] In this embodiment, optionally, as Figure 11 shown, it further includes an internal debugging interface, which is 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.

[0051] 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 connected to the corresponding interface ends of the MCU system module.

[0052] 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 connect devices with different interface types through the SWD interface and the UART interface to expand the applicable range of the system.

[0053] The MCU system module of the present utility model can be connected to a position detection sensor through a set limit detection interface, so as to monitor the positions of the hatch and the sliding table in real time through the position detection sensor, thereby controlling the motor connected to the corresponding motor interface to open and close the hatch, controlling the telescopic expansion of the sliding table, and controlling the locking and unlocking of the electric control lock. It can effectively improve the convenience and safety of hatch operation and the convenience of automatic storage of unmanned aerial vehicles, and has broad application prospects for popularization.

[0054] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model 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 recorded 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 utility model, and they should all be covered by the scope of the claims and the description of the present utility model.

Claims

1. A control circuit for a drone cabin, characterized in that, It includes an MCU system module, an extension slide, a landing platform hatch switch, a landing platform hatch switch detector, and an electric control lock for the landing platform hatch, where: The extension slide includes a plurality of first motor interfaces and a plurality of first limit detection interfaces, and is connected to the MCU system module through a multi-channel first input isolation circuit and a first motor control module. The MCU system module is used to control the extension and retraction of the extension slide. The landing platform hatch switch includes a plurality of second motor interfaces, which are respectively electrically connected to the provided second motor control module. The second motor control module is connected to the MCU system module. The MCU system module is used to control the opening and closing of the landing platform hatch. The landing platform hatch switch detector includes a plurality of second limit detection interfaces and is connected to the MCU system module through a multi-channel second input isolation circuit. The electric control lock for the landing platform hatch includes a plurality of third motor interfaces and a plurality of third limit detection interfaces, and is connected to the MCU system module through a multi-channel third input isolation circuit and a first output isolation circuit. The MCU system module is used to control the locking and unlocking of the electric control lock for the landing platform hatch.

2. The control circuit of a drone cabin according to claim 1, wherein It further includes a power management module, and a power input interface is connected to the power input terminal.

3. The control circuit for the drone cabin according to claim 1, characterized in that, It further includes a parameter storage module, and the parameter storage module is communicatively connected to the MCU system module.

4. The control circuit of a drone cabin according to claim 1, characterized in that, It further includes a CAN bus interface, and this CAN bus interface is communicatively connected to the MCU system module through a CAN driver module.

5. The drone cabin control circuit according to claim 1, wherein It further includes a lighting interface, and this lighting interface is connected to the MCU system module through an isolation circuit.

6. The drone cabin control circuit according to claim 5, wherein 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 through corresponding isolation circuits.

7. The drone cabin control circuit according to claim 1, wherein, It further includes an internal debugging interface, and this internal debugging interface is signal-connected to the MCU system module.

8. The drone cabin control circuit according to claim 7, characterized in that, 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.

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