WO2022041080A1 - Kit de véhicule aérien sans pilote, véhicule aérien sans pilote et dispositif de stockage - Google Patents

Kit de véhicule aérien sans pilote, véhicule aérien sans pilote et dispositif de stockage Download PDF

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Publication number
WO2022041080A1
WO2022041080A1 PCT/CN2020/111911 CN2020111911W WO2022041080A1 WO 2022041080 A1 WO2022041080 A1 WO 2022041080A1 CN 2020111911 W CN2020111911 W CN 2020111911W WO 2022041080 A1 WO2022041080 A1 WO 2022041080A1
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WO
WIPO (PCT)
Prior art keywords
unmanned aerial
aerial vehicle
near field
field communication
detection sensor
Prior art date
Application number
PCT/CN2020/111911
Other languages
English (en)
Chinese (zh)
Inventor
冯建刚
周乐
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN202080007139.2A priority Critical patent/CN113226933A/zh
Priority to PCT/CN2020/111911 priority patent/WO2022041080A1/fr
Publication of WO2022041080A1 publication Critical patent/WO2022041080A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts

Definitions

  • the invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle suit, an unmanned aerial vehicle and a storage device.
  • the detection sensor in the storage device usually uses a battery as a power supply, and then uses Bluetooth and other means to transmit signals with external devices, which leads to a high manufacturing cost of the storage device.
  • Embodiments of the present invention provide an unmanned aerial vehicle suit, an unmanned aerial vehicle, and a storage device.
  • Embodiments of the present invention provide an unmanned aerial vehicle suit including an unmanned aerial vehicle and a storage device, and the storage device can be detachably installed on the unmanned aerial vehicle.
  • the UAV includes a first near field communication assembly
  • the storage device includes a container, a detection sensor disposed in the container, and a second near field communication assembly electrically connected to the detection sensor.
  • the detection sensor is used to detect the stock of the storage in the container.
  • the second near field communication component communicates with the first near field communication component to enable power transmission and data transmission between the UAV and the detection sensor.
  • Embodiments of the present invention provide an unmanned aerial vehicle, and the unmanned aerial vehicle includes a first near field communication component.
  • the first near field communication component is used for communicating with the second near field communication component
  • the second near field communication component is used for electrical connection with a detection sensor
  • the detection sensor is used for detecting the stock of the storage object in the storage device .
  • the second near field communication component is used for communicating with the first near field communication component to realize power transmission and data transmission between the unmanned aerial vehicle and the detection sensor.
  • Embodiments of the present invention provide a storage device that can be detachably mounted on an unmanned aerial vehicle, and the unmanned aerial vehicle includes a first near field communication assembly.
  • the storage device includes a detection sensor and a second near field communication component electrically connected with the detection sensor, the detection sensor is used to detect the stock of the storage object in the storage device.
  • the second near field communication component is used for communicating with the first near field communication component to realize power transmission and data transmission between the unmanned aerial vehicle and the detection sensor.
  • the power transmission and data transmission between the unmanned aerial vehicle and the detection sensor are realized through the communication between the first near field communication component and the second near field communication component Therefore, there is no need to provide an additional battery for the detection sensor as a power supply, which can reduce the manufacturing cost of the storage device.
  • FIG. 1 is a schematic structural diagram of an unmanned aerial vehicle suit according to some embodiments of the present invention.
  • FIG. 2 is a schematic structural diagram of a storage device according to some embodiments of the present invention.
  • FIG. 3 and 4 are schematic diagrams of unmanned aerial vehicle suits according to certain embodiments of the present invention.
  • FIG. 5 is a schematic structural diagram of a first near field communication assembly and a second near field communication assembly according to some embodiments of the present invention
  • FIG. 6 is a schematic diagram of an unmanned aerial vehicle kit according to certain embodiments of the present invention.
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as “first”, “second” may expressly or implicitly include one or more of said features. In the description of the present invention, “plurality” means two or more, unless otherwise expressly and specifically defined.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection connected, or integrally connected. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
  • the unmanned aerial vehicle set 100 includes an unmanned aerial vehicle 10 and a storage device 20 , and the storage device 20 can be detachably installed on the unmanned aerial vehicle 10 .
  • the unmanned aerial vehicle 10 includes a first near field communication assembly 12, the storage device 20 includes a container 22, a detection sensor 24 disposed in the container 22, and a second near field communication assembly 26 electrically connected to the detection sensor 24, and the detection sensor 24 is used for The level of storage in the container 22 is detected.
  • the second near field communication component 26 communicates with the first near field communication component 12 to enable power transfer and data transfer between the UAV 10 and the detection sensor 24 .
  • the detection sensor in the storage device usually uses a battery as a power supply, and then uses Bluetooth and other means to transmit signals with external devices, which leads to a high manufacturing cost of the storage device.
  • the power transmission and data transmission between the unmanned aerial vehicle 10 and the detection sensor 24 are realized through the communication between the first near field communication component 12 and the second near field communication component 26 , thereby There is no need to provide an additional battery for the detection sensor 24 as a power supply, which can reduce the manufacturing cost of the storage device 20 .
  • the unmanned aerial vehicle 10 includes a power supply, and the power supply can be used to supply power to the first near field communication component 12 and the like.
  • the unmanned aerial vehicle 10 is provided with a storage portion, and the storage device 20 can be inserted into the storage portion.
  • the storage device 20 When the storage device 20 is inserted into the extreme position in the receiving portion, the first near field communication assembly 12 just corresponds to the second near field communication assembly 26 .
  • the storage device 20 can be detachably mounted on the unmanned aerial vehicle 10 through the accommodating portion.
  • the receiving portion may include threaded holes, screws and other components, and the storage device 20 may be received in the receiving portion by means of screw connection.
  • the accommodating part may further include accommodating grooves and the like, and the storage device 20 may be accommodated in the accommodating part by means of snap connection.
  • the storage device 20 can also be detachably installed on the UAV 10 through other connection methods, which is not specifically limited herein.
  • the storage device 20 When the storage device 20 is inserted into the extreme position in the receiving portion, the storage device 20 is correctly and firmly installed on the UAV 10 , and the first near field communication component 12 just corresponds to the second near field communication component 26 .
  • the first near field communication assembly 12 and the second near field communication assembly 26 are disposed opposite to each other.
  • the distance between the first near field communication component 12 and the second near field communication component 26 is less than a preset distance. In this way, the distance between the first near field communication component 12 and the second near field communication component 26 is small, which can reduce the energy consumption caused by the long distance, so that the transmission efficiency between the unmanned aerial vehicle 10 and the detection sensor 24 is higher .
  • the preset distance may be 5mm. When the distance between the first near field communication assembly 12 and the second near field communication assembly 26 is less than 5 mm, effective power transmission and data transmission can be performed between the unmanned aerial vehicle 10 and the detection sensor 24 .
  • the unmanned aerial vehicle 10 also includes a center frame 15, an arm 16 connected with the center frame 15, and a power unit 17 connected with the aircraft arm 16.
  • the power unit 17 is, for example, a propeller or the like.
  • the storage device 20 may be provided below the center frame 15 .
  • the storage device 20 may also be arranged at other positions such as the periphery of the center frame 15 , which is not specifically limited herein.
  • the detection sensor 24 sends the inventory information of the storage object to the UAV 10 through the communication between the second near field communication component 26 and the first near field communication component 12 .
  • the detection sensor 24 detects and obtains the inventory information of the stored object, it can send the inventory information of the stored object to the unmanned aerial vehicle 10 through the communication between the second near field communication component 26 and the first near field communication component 12, so that the unmanned aerial vehicle 10 It can be judged whether it is necessary to return to the flight for replenishment or whether to increase or decrease the consumption speed of the stored objects according to the inventory information of the stored objects.
  • the power of the detection sensor 24 may be less than the preset power. In this way, the power of the detection sensor 24 is relatively small, and the electrical energy transmitted by the first near field communication component 12 and the second near field communication component 26 can be sufficient to support the detection sensor 24 to work.
  • the preset power may be 27mW.
  • the first near field communication component 12 and the second near field communication component 26 are both near field communication modules (Near Field Communication, NFC) or radio frequency identification modules (Radio Frequency Identification, RFID). In one embodiment, the first near field communication component 12 and the second near field communication component 26 are both NFC, and the power transmission and data transmission.
  • NFC Near Field Communication
  • RFID Radio Frequency Identification
  • the storage item is a liquid
  • the detection sensor 24 is a liquid level gauge.
  • the liquid level gauge can measure the liquid level by measuring the pressure difference of the liquid (such as differential pressure method, etc.), or use the buoyancy principle to measure the liquid level (such as the float method, servo method, etc.), or use the electrical parameters of the liquid level sensor to produce changes.
  • method to measure the liquid level such as capacitance method, inductance method, resistance method, etc.
  • the liquid level meter uses the float method to measure the liquid level. This method uses a float as a liquid level measuring element, and detects the position of the float by mechanical, electromagnetic, optical, etc. to determine the liquid level, thereby determining the stock of liquid storage. .
  • the UAV suit 100 further includes a spray system 30 for spraying the liquid storage in the container 22 out.
  • the spray system 30 may include a liquid infusion tube and a spray head assembly, and the spray head assembly may include a spray head body, a nozzle, and the like.
  • the infusion tube is used to deliver the liquid storage in the container 22 to the spray head body, so that the liquid storage can be sprayed out through the nozzle.
  • the unmanned aerial vehicle 10 may be a plant protection drone.
  • the plant protection drone cooperates with the storage device 20 and the spraying system 30 to spray the liquid storage on crops, trees and other plants.
  • the unmanned aerial vehicle 10 can also be used for spray disinfection, for example, for disinfection during epidemic prevention.
  • Liquid storage can include pesticides, fertilizers or pharmaceuticals.
  • the pesticide, fertilizer or drug may be liquid and stored directly as a liquid; alternatively, the pesticide, fertilizer or drug may be solid, and the pesticide, fertilizer or drug may be formed into a solution and stored as a liquid.
  • the liquid storage is a pesticide, such as an insecticide, which can be sprayed by the spray system 30 on crops, trees, etc. to remove pests.
  • the storage is solid and the detection sensor 24 is a level gauge.
  • the level of solid storage in the container 22 can be detected by the level gauge.
  • the material level meter can measure the material level by means of ultrasonic waves, or measure the material level by means of radio frequency admittance, or measure the material level by means of a heavy hammer, which is not specifically limited here.
  • the material level gauge uses ultrasonic waves to measure the material level. This method transmits ultrasonic waves through ultrasonic transmitters.
  • the ultrasonic waves When the ultrasonic waves reach the surface of the solid storage, the ultrasonic waves will be reflected back, so that the reflected ultrasonic waves can be converted into According to the electric signal, the transmission time of the ultrasonic wave can be determined, and the transmission distance of the ultrasonic wave can be determined in combination with the transmission speed of the ultrasonic wave, and then the material level can be determined to determine the stock of the solid storage.
  • the UAV suit 100 further includes a spreading system 40 for spreading the solid storage within the container 22 .
  • the spreading system 40 may include a transfer channel and a silo port, and the transfer channel may transport the solid storage in the container 22 to the silo port, so that the solid storage material may be spread through the opening of the silo port.
  • the opening degree of the silo opening can also be regulated, and the spreading speed of the solid storage material can be controlled by controlling the opening degree of the silo opening.
  • the UAV 10 may be a spreading drone, which cooperates with the storage device 20 and the spreading system 40 to spread the solid storage, eg, for seeding, spreading fertilizer, and the like.
  • Solid stocks can include pesticides, fertilizers, seeds or pharmaceuticals.
  • the solid storage is seed, such as rapeseed, which can be spread by spreading system 40 .
  • the first near field communication assembly 12 includes a primary energy coil 122 and a primary signal coil 124
  • the second near field communication assembly 26 includes a secondary energy coil 262 and a secondary signal coil 264 .
  • Primary energy coil 122 communicates with secondary energy coil 262 to enable power transfer from UAV 10 to detection sensor 24 .
  • Primary signal coil 124 communicates with secondary signal coil 264 to enable data transfer between UAV 10 and detection sensor 24 .
  • the power transmission can be realized through the primary energy coil 122 and the secondary energy coil 262, and the data transmission can be realized through the primary signal coil 124 and the secondary signal coil 264.
  • the energy transmission and data transmission are carried out separately.
  • the solution is relatively easy to implement and the control logic is relatively simple. .
  • the transmission between the primary energy coil 122 and the secondary energy coil 262 may be unidirectional transmission from the primary energy coil 122 to the secondary energy coil 262; the transmission between the primary signal coil 124 and the secondary signal coil 264 may be bidirectional transmission. In this way, the UAV 10 can supply power to the storage device 20 , and bidirectional data transmission can be performed between the UAV 10 and the storage device 20 .
  • the primary energy coil 122 and the primary signal coil 124 may be arranged perpendicular to each other or parallel to each other.
  • the primary energy coil 122 and the primary signal coil 124 are arranged perpendicular to each other, between the primary energy coil 122 and the secondary energy coil 262, between the primary energy coil 122 and the secondary signal coil 264, and between the primary signal coil 124 and the secondary energy coil
  • any one coil will be coupled with the other three coils, but the structure between the primary energy coil 122 and the primary signal coil 124 is smooth and easy to install. Among them, it should be noted that when the coupling occurs between the coils, a large amount of energy loss will be caused, and the transmission of the data signal will be seriously disturbed.
  • the first near field communication assembly 12 includes a first transmission coil 126
  • the second near field communication assembly 26 includes a second transmission coil 266
  • the UAV 10 includes a first processor 18 and the storage device 20 includes a second processor 28 .
  • the first processor 18 is used to modulate the energy signal and the first data signal to obtain a modulated signal and load the modulated signal to the first transmission coil 126 for transmission.
  • the second transmission coil 266 receives the modulated signal to enable power transmission from the UAV 10 to the detection sensor 24 .
  • the second processor 28 is used for extracting and processing the first data signal to realize data transmission from the UAV 10 to the detection sensor 24 .
  • the frequency of the energy signal may be lower than the frequency of the first data signal, and the high-frequency first data signal is loaded on the relatively low-frequency energy signal to form a complex wave (ie, a modulated signal).
  • the ratio of the energy signal to the operating frequency of the first data signal may be any ratio from 1:8 to 1:10.
  • the energy The ratio of the voltage of the signal to the first data signal may be 10:1.
  • the modulated signal is transmitted through the first transmission coil 126 to the second transmission coil 266 . Since the data information in the first data signal is contained in the frequency and phase of the modulated signal, data transmission will not be affected as long as the energy loss of the modulated signal during transmission is controlled within a certain range. In order to reduce the cancellation of the first data signal and the energy signal due to the existence of the phase difference, the initial phases of the first data signal and the energy signal can be the same. is 0.
  • the first processor 18 and the second processor 28 may refer to a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application-specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processors
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the second processor 28 is used for filtering out the energy signal in the modulated signal to extract the first data signal. Since the frequency of the first data signal is greater than the frequency of the energy signal, the energy signal can be filtered out by means of high-frequency filtering, thereby extracting the first data signal.
  • the first data signal may be a control signal, through which the UAV 10 controls the storage device 20 to work.
  • the second processor 28 is used for loading the second data signal to the second transmission coil 266 for transmission.
  • the first transmission coil 126 receives the second data signal, and the second processor 28 is configured to process the second data signal to realize data transmission from the detection sensor 24 to the UAV 10.
  • the detection sensor 24 can transmit data to the UAV 10.
  • the detection sensor 24 can send the detected inventory information of the stored objects to the UAV 10, so that the UAV 10 can determine whether or not according to the inventory information of the stored objects. Need to resupply or whether to increase or decrease the rate of consumption of storage.
  • a first feature "on” or “under” a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

Abstract

L'invention concerne un kit de véhicule aérien sans pilote (100), un véhicule aérien sans pilote (10) et un dispositif de stockage (20). Le kit de véhicule aérien sans pilote (100) comprend un véhicule aérien sans pilote (10) et un dispositif de stockage (20). Le dispositif de stockage (20) peut être installé de manière amovible sur le véhicule aérien sans pilote (10). Le véhicule aérien sans pilote (10) comprend un premier composant de communication en champ proche (12). Le dispositif de stockage (20) comprend un contenant (22), un capteur de détection (24) disposé sur le contenant (22) et un second composant de communication en champ proche (26) connecté électriquement au capteur de détection (24). Le capteur de détection (24) est utilisé pour mesurer l'inventaire d'un objet de stockage dans le contenant (22) et le second composant de communication en champ proche (26) communique avec le premier composant de communication en champ proche (12) pour mettre en œuvre une transmission de puissance et une transmission de données entre le véhicule aérien sans pilote (10) et le capteur de détection (24).
PCT/CN2020/111911 2020-08-27 2020-08-27 Kit de véhicule aérien sans pilote, véhicule aérien sans pilote et dispositif de stockage WO2022041080A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080007139.2A CN113226933A (zh) 2020-08-27 2020-08-27 无人飞行器套装、无人飞行器和储存装置
PCT/CN2020/111911 WO2022041080A1 (fr) 2020-08-27 2020-08-27 Kit de véhicule aérien sans pilote, véhicule aérien sans pilote et dispositif de stockage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/111911 WO2022041080A1 (fr) 2020-08-27 2020-08-27 Kit de véhicule aérien sans pilote, véhicule aérien sans pilote et dispositif de stockage

Publications (1)

Publication Number Publication Date
WO2022041080A1 true WO2022041080A1 (fr) 2022-03-03

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PCT/CN2020/111911 WO2022041080A1 (fr) 2020-08-27 2020-08-27 Kit de véhicule aérien sans pilote, véhicule aérien sans pilote et dispositif de stockage

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WO (1) WO2022041080A1 (fr)

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