Industrial grade unmanned aerial vehicle honeycomb charging device based on wireless power transmission

Abstract

The utility model discloses an industrial grade unmanned aerial vehicle honeycomb charging device based on wireless power transmission, and relates to the unmanned aerial vehicle charging device technology field, the industrial grade unmanned aerial vehicle honeycomb charging device comprises a counterweight pedestal and a rotating part arranged on the upper end surface of the counterweight pedestal, the rotating part is provided with a lifting part, and one end of the lifting part far away from the rotating part is provided with a camera; the lifting part is provided with a lifting sliding block capable of moving up and down, the lifting sliding block is provided with a translation part, and the translation part is provided with a wireless charging unit capable of moving horizontally. The system is stable in structure and simple to control and operate, the wireless charging unit has the characteristics of high efficiency, high power and the like, and the system is suitable for high-power unmanned aerial vehicles with different sizes and different take-off modes.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned aerial vehicle wireless charging technical field especially, it relates to a kind of industrial grade unmanned aerial vehicle honeycomb charging device based on wireless power transmission. BACKGROUND

[0002] In recent years, as the emerging productivity of low-altitude economy, the unmanned aerial vehicle industry promotes the development of economy and society increasingly highlights, and has become the important engine leading the development of low-altitude economy. As the important platform of unmanned aerial vehicle application, unmanned aerial vehicle nest system becomes the hotspot of research and development.

[0003] The unmanned aerial vehicle wireless charging nest structure has a box structure at the present stage, the overall structure of the unmanned aerial vehicle wireless charging nest is like a cubic box, there is a linear guide rail on the upper part of the box, which is used for opening and closing the opening and closing device on the top of the box, and the bottom of the box is provided with a wireless charging module. This box structure unmanned aerial vehicle wireless charging device has complex control structure, needs multi-axis motor, and the body volume is limited, the take-off direction is only vertical direction, only suitable for small and medium-sized four-rotor unmanned aerial vehicle. In addition to the box structure, there is also a multi-position disc structure, such as the Chinese patent with the patent number CN216269972U and the name of a kind of expandable unmanned aerial vehicle wireless charging automatic multi-position nest, the unmanned aerial vehicle wireless charging nest contains two mechanical arms, and the wireless charging device is placed at the bottom of the whole structure. The nest control is complex, and the unmanned aerial vehicle can only land in the specified position to complete the charging, which puts forward high requirements for the precision of unmanned aerial vehicle landing, and is not conducive to the use in complex environment. There is also an unmanned aerial vehicle nest design based on layering structure, such as the Chinese patent with the patent number CN119231777A and the name of a kind of multi-way wireless power transmission system and method based on layering coupling mechanism. The design is similar to the drawer structure. When the unmanned aerial vehicle lands, the drawer opens and extends the apron. The unmanned aerial vehicle lands on the apron, and then the device pulls back the apron. The unmanned aerial vehicle starts charging. The control unit of this structure is simple, but the space is limited and only suitable for small power unmanned aerial vehicle. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of industrial grade unmanned aerial vehicle honeycomb charging device based on wireless power transmission, solve the technical problems such as the small unmanned aerial vehicle charging space in prior art, the restriction to the size of unmanned aerial vehicle.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of industrial grade unmanned aerial vehicle honeycomb charging device based on wireless power transmission, including counterweight base and the rotation part of setting on the upper end surface of counterweight base, rotation part is equipped with lifting part, and the end of lifting part away from rotation part is equipped with camera;

[0007] The lifting part is provided with a lifting slider capable of moving up and down, the lifting slider is provided with a translation part, and the translation part is provided with a wireless charging unit capable of moving horizontally.

[0008] In some embodiments, the rotating part comprises a speed reducer, the speed reducer is provided with a rotating motor, the output shaft of the speed reducer is provided with a rotating disc, and the upper end surface of the rotating disc is provided with the lifting part. The rotating motor is driven to rotate the speed reducer, thereby driving the rotating disc to rotate, so that the lifting part and the translation part can be horizontally rotated.

[0009] In some embodiments, the lifting part comprises a lifting guide rail and a lead screw arranged on the lifting guide rail, the lead screw is provided with a lifting motor at the end away from the rotating disc, and the lifting slider is fixed on the nut of the lead screw. The lifting motor is driven to rotate the lead screw, thereby driving the nut to move up and down, so as to realize the function of lifting the translation part.

[0010] In some embodiments, the translation part comprises a horizontal guide rail and a translation slider arranged on the horizontal guide rail, one end of the horizontal guide rail is provided with a pulley, the other end is provided with a stretching motor, a belt is sleeved on the pulley and the output shaft of the stretching motor, and one end of the translation slider is fixed on the belt. The stretching motor is driven to rotate in the forward and reverse directions, thereby driving the belt to move left and right, so that the translation slider moves horizontally on the horizontal guide rail.

[0011] In some embodiments, in order to increase the stability of the translation part, a steel cable is further included, the lifting slider is provided with a support rod, one end of the steel cable is connected to the support rod, and the other end is connected to the end of the horizontal guide rail away from the lifting slider.

[0012] In some embodiments, the lower end surface of the counterweight base is provided with a foot pad, thereby increasing the stability of the whole device.

[0013] In some embodiments, a control system is further included, the control system comprises a visual system and a mechanical arm control system, the visual system adopts a visual processor, the visual processor is connected with a camera through a serial port and connected with the control system through a network port, and the microprocessor of the control system is connected with the motors of the rotating part, the lifting part and the translation part through a motor driving system.

[0014] In some embodiments, the wireless charging unit comprises a PFC module, an LLC module, a full-bridge inverter module, a coil and a compensation module and a synchronous rectification module connected in sequence, and the control system is connected with the wireless charging unit through wireless communication.

[0015] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0016] The utility model has the nest structure of visual identification and three-axis mechanical coordination work, and the control is simple and reliable, and is suitable for different size specifications, different take-off modes and high-power unmanned aerial vehicles.

[0017] The utility model has mechanical structure stable, convenient advantages such as charging, and wireless charging unit charging efficiency is high, and the output is 48V20A. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is structure schematic diagram of wireless charging unit of the utility model;

[0020] Figure 3 It is structure schematic diagram of control system of the utility model;

[0021] Figure 4 It is work flow schematic diagram of control system of the utility model.

[0022] In the drawing: 1, camera, 2, lifting motor, 3, cable, 4, wireless charging unit, 5, stretch guide rail, 6, lifting slide, 7, stretch motor, 8, lifting guide rail, 9, rotary motor, 10, turntable, 11, speed reducer, 12, foot pad, 13, counterweight base, 14, screw rod, 15, translation slide, 16, support rod, 17, horizontal guide rail. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0024] Please refer to Figure 1 A kind of industrial grade unmanned aerial vehicle honeycomb charging device based on wireless power transmission, including counterweight base 13 and the rotating part of setting on the upper end surface of counterweight base 13, rotating part is equipped with lifting part, lifting part is equipped with translation part, wireless charging unit 4 is installed on the translation part.

[0025] Specific structure is as follows:

[0026] The lower end surface of the counterweight base 13 is installed with 4 foot pads 12, so as to keep the balance of the counterweight base 13.

[0027] The rotating part includes a rotating motor 9 and a speed reducer 11, the output shaft of the rotating motor 9 is connected to the input end of the speed reducer, the output shaft of the speed reducer 11 is fixedly installed with a rotating disc 10, and the upper end surface of the rotating disc 10 is fixedly installed with a lifting part. When the rotating motor 9 drives the speed reducer 11 to operate, the speed reducer 11 can drive the rotating disc 11 to rotate, thereby driving the lifting part to rotate, so that the translation part arranged on the lifting part is rotated to facilitate the wireless charging unit 4 to charge the unmanned aerial vehicle.

[0028] The lifting part includes a lifting guide rail 8 and a lead screw 14 installed on the lifting guide rail 8, and a lifting sliding block 6 is installed on the nut of the lead screw 14. The lifting guide rail 8 is vertically installed on the rotating disc 10, and a lifting motor 2 is installed on the other end away from the rotating disc 10, the lifting motor 2 drives the lead screw 14 to rotate, and the lifting sliding block 6 is fixed on the nut of the lead screw 14 and can slide on the lifting guide rail 8.

[0029] The translation part includes a horizontal guide rail 17 and a translation sliding block 15 installed on the horizontal guide rail 17. The horizontal guide rail 17 is fixedly installed on the lifting sliding block 8, a pulley is installed on one end away from the lifting sliding block 6, and a stretching motor 7 is installed on the other end, a belt is sleeved on the output shaft of the pulley and the stretching motor 7, and one end of the translation sliding block 15 is fixed on the belt and can slide on the horizontal guide rail. The belt is driven to rotate by the stretching motor 7, thereby driving the translation sliding block 15 to move horizontally on the horizontal guide rail 17.

[0030] In order to increase the stability of the translation part, a vertical support rod 16 is installed on the lifting sliding block 6, and the stability is increased by a steel cable 3, that is, one end of the steel cable 3 is fixedly connected to the support rod 16, and the other end is fixedly connected to one end of the horizontal guide rail 17 away from the lifting sliding block 6.

[0031] The translation sliding block 15 is installed with a wireless charging unit 4, and the wireless charging unit 4 realizes horizontal movement through the translation sliding block 15.

[0032] As Figure 2 As shown in the figure, the wireless charging unit 4 includes a PFC module, an LLC module, a full-bridge inverter module, a coil and a compensation module, and a synchronous rectification module connected in sequence, and the control system is connected with the wireless charging unit 4 through wireless communication.

[0033] The wireless charging unit 4 is powered by 220V 50Hz mains, the PFC module is used for power factor correction, reduces loss, the LLC module is used for voltage conversion, the output voltage is converted into DC 90V, the full-bridge inverter module is mainly used for converting DC 90V into AC 90V of 85KHz, for exciting the coil, then the receiving coil is coupled to the energy, and is transmitted to the synchronous rectification module, finally, 48V 20A is outputted.

[0034] As shown in Figure 3 The power supply provides power for the whole device, and the control system includes a visual system and a mechanical arm control system. The visual system adopts a visual processor, which is an NVIDIA Jetson OrinNX processor, has an NVIDIA Ampere architecture GPU and An A78AE CPU, and a new generation of deep learning and vision accelerator. High-speed IO, 102GB / s memory bandwidth and 12GB DRAM can feed multiple concurrent AI application pipelines. The visual processor is connected with the camera 1 through a serial port and connected with the microprocessor of the control system through a network port. The camera 1 transmits the coordinate information of the unmanned aerial vehicle to the image recognition unit of the visual processor through the serial port, the visual processor processes the coordinate information, and then transmits the coordinate information to the mechanical arm control system through the network port. The microprocessor adopts an STM32 series microcontroller (in this embodiment, an STM32F103VET6 microcontroller), and is connected with the lifting motor 2, the stretching motor 7 and the rotating motor 9 (all of which are 5718 motors in this embodiment) through a motor driving system (in this embodiment, an LW556 driver).

[0035] The working principle of the utility model is:

[0036] As shown in Figure 4When the UAV lands (lands on the ground or the UAV rack), the camera 1 captures the UAV, the image recognition unit in the visual processor works, and then the position coordinates of the UAV are transmitted to the mechanical arm control system through position calculation. The motor drive control system controls the three motors on the mechanical arm (rotation part, lifting part and translation part) in turn, so that the wireless charging unit 4 finally moves above the wireless charging receiving end of the UAV, and charging begins. When the charging is completed, the wireless charging return signal is sent to the mechanical arm control system, the mechanical arm is reset, and the UAV takes off.

Claims

1. An industrial-grade drone cellular charging device based on wireless power transmission, characterized in that, It includes a counterweight base (13) and a rotating part disposed on the upper surface of the counterweight base (13). The rotating part is provided with a lifting part, and a camera (1) is provided at the end of the lifting part away from the rotating part. The lifting part is provided with a lifting slider (6) that can move up and down, and the lifting slider (6) is provided with a translation part, on which a wireless charging unit (4) that can move horizontally is installed.

2. The industrial-grade drone cellular charging device based on wireless power transmission according to claim 1, characterized in that, The rotating part includes a speed reducer (11), a rotary motor (9) is provided on the speed reducer (11), a turntable (10) is provided on the output shaft of the speed reducer (11), and a lifting part is provided on the upper end face of the turntable (10).

3. The industrial-grade drone cellular charging device based on wireless power transmission according to claim 1, characterized in that, The lifting unit includes a lifting guide rail (8) and a lead screw (14) mounted on the lifting guide rail (8). A lifting motor (2) is provided at one end of the lead screw (14) away from the turntable (10). The lifting slider (6) is fixed on the nut of the lead screw (14).

4. The industrial-grade drone cellular charging device based on wireless power transmission according to claim 1, characterized in that, The translation part includes a horizontal guide rail (17) and a translation slider (15) set on the horizontal guide rail (17). One end of the horizontal guide rail (17) is provided with a pulley, and the other end is provided with a tension motor (7). A belt is sleeved on the output shaft of the pulley and the tension motor (7). One end of the translation slider (15) is fixed on the belt.

5. An industrial-grade UAV cellular charging device based on wireless power transmission according to claim 4, characterized in that, It also includes a steel cable (3), and the lifting slider (6) is provided with a support rod (16). One end of the steel cable (3) is connected to the support rod (16), and the other end is connected to the end of the horizontal guide rail (17) away from the lifting slider (6).

6. The industrial-grade drone cellular charging device based on wireless power transmission according to claim 1, characterized in that, The lower end face of the counterweight base (13) is provided with a foot pad (12).

7. An industrial-grade drone cellular charging device based on wireless power transmission according to claim 1, characterized in that, It also includes a control system, which includes a vision system and a robotic arm control system. The vision system uses a vision processor, which is connected to a camera via a serial port and to the control system via a network port. The microprocessor of the control system is connected to the motors in the rotating part, lifting part and translation part via a motor drive system.

8. An industrial-grade drone cellular charging device based on wireless power transmission according to claim 7, characterized in that, The wireless charging unit (4) includes a PFC module, an LLC module, a full-bridge inverter module, a coil and compensation module and a synchronous rectification module connected in sequence. The control system is connected to the wireless charging unit (4) via wireless communication.

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