WO2020113386A1 - Dispositif de commande de vitesse électronique, dispositif d'alimentation et véhicule aérien sans pilote - Google Patents

Dispositif de commande de vitesse électronique, dispositif d'alimentation et véhicule aérien sans pilote Download PDF

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Publication number
WO2020113386A1
WO2020113386A1 PCT/CN2018/118995 CN2018118995W WO2020113386A1 WO 2020113386 A1 WO2020113386 A1 WO 2020113386A1 CN 2018118995 W CN2018118995 W CN 2018118995W WO 2020113386 A1 WO2020113386 A1 WO 2020113386A1
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WO
WIPO (PCT)
Prior art keywords
housing
conductive
electronic governor
circuit board
fastener
Prior art date
Application number
PCT/CN2018/118995
Other languages
English (en)
Chinese (zh)
Inventor
张弛
王建伟
吴晓龙
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 CN201880039259.3A priority Critical patent/CN110876266A/zh
Priority to PCT/CN2018/118995 priority patent/WO2020113386A1/fr
Publication of WO2020113386A1 publication Critical patent/WO2020113386A1/fr

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    • 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
    • B64D31/00—Power plant control; Arrangement thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/19—Propulsion using electrically powered motors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
    • H05K5/0056—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for protecting electronic components against vibration and moisture, e.g. potting, holders for relatively large capacitors

Definitions

  • This application relates to the technical field of unmanned aerial vehicles, in particular to an electronic governor, a power device and an unmanned aerial vehicle.
  • Unmanned aerial vehicles have the advantages of flexible maneuverability, fast response, unmanned flight, and easy control. Therefore, they are widely used in agriculture, ocean, exploration, photography, disaster prevention and reduction, crop production estimation and other fields.
  • UAVs usually include a propeller and a motor connected to the propeller, where the motor is usually controlled by an electronic governor to achieve various operating actions of the UAV.
  • the electronic governor can accept the control signal of the receiver or flight control system, and control the motor operation according to the control signal.
  • the traditional electronic governor is usually installed in the arm. When the electronic governor fails and needs to be repaired, it is often difficult to achieve rapid disassembly and replacement. If the traditional electronic governor is installed on the arm of the aircraft barely, its waterproof performance and anti-collision performance are difficult to guarantee.
  • This application provides an electronic governor, power plant and unmanned aerial vehicle, aiming to realize the rapid disassembly and replacement of the electronic governor, improve the maintenance efficiency of the electronic governor, and guarantee the waterproof performance of the electronic governor and Shockproof performance.
  • an electronic governor for an unmanned aerial vehicle including a fuselage, a flight control system disposed inside the fuselage, and disposed inside the fuselage Power supply, an arm connected to the fuselage, and a motor provided at one end of the arm, the electronic governor is installed outside the arm and includes:
  • the second shell is detachably connected to the first shell and surrounds the first shell to form an accommodation space, and the second shell is provided with an installation portion;
  • the circuit board is accommodated in the accommodation space;
  • a first connector provided outside the first housing, for electrically connecting with the motor
  • a second connector for electrically connecting the power supply and the flight control system is provided outside the first housing, and the second connector includes a first conductive component for electrically connecting to the power supply;
  • a first fastener to fix the first connector on the first housing and electrically connect the first connector and the circuit board
  • a second fastener to fix the first conductive component on the first housing and electrically connect the first conductive component and the circuit board;
  • the first waterproof component is sleeved on the outside of the first fastener, and is used to seal a gap between the first housing and the first fastener.
  • a power device for providing flying power for an unmanned aerial vehicle including a fuselage, a flight control system disposed inside the fuselage, and a The power supply inside the body and the arm connected to the body include:
  • An electronic governor electrically connected to the motor, is used to drive the motor to rotate;
  • the electronic governor includes:
  • the second shell is detachably connected to the first shell and surrounds the first shell to form an accommodation space, and the second shell is provided with an installation portion;
  • the circuit board is accommodated in the accommodation space;
  • a first connector provided outside the first housing, for electrically connecting with the motor
  • a second connector for electrically connecting the power supply and the flight control system is provided outside the first housing, and the second connector includes a first conductive component for electrically connecting to the power supply;
  • a first fastener to fix the first connector on the first housing and electrically connect the first connector and the circuit board
  • a second fastener to fix the first conductive component on the first housing and electrically connect the first conductive component and the circuit board;
  • the first waterproof component is sleeved on the outside of the first fastener, and is used to seal a gap between the first housing and the first fastener.
  • an unmanned aerial vehicle including:
  • a machine arm connected to the fuselage
  • the motor is provided at one end of the arm to provide flying power for the unmanned aerial vehicle
  • the electronic governor is installed outside the arm and electrically connected to the motor to drive the motor to rotate;
  • the electronic governor includes:
  • the second shell is detachably connected to the first shell and surrounds the first shell to form an accommodation space, and the second shell is provided with an installation portion;
  • the circuit board is accommodated in the accommodation space;
  • a first connector provided outside the first housing, for electrically connecting with the motor
  • a second connector for electrically connecting the power supply and the flight control system is provided outside the first housing, and the second connector includes a first conductive component for electrically connecting to the power supply;
  • a first fastener to fix the first connector on the first housing and electrically connect the first connector and the circuit board
  • a second fastener to fix the first conductive component on the first housing and electrically connect the first conductive component and the circuit board;
  • the first waterproof component is sleeved on the outside of the first fastener, and is used to seal a gap between the first housing and the first fastener.
  • the electronic governor, power device and unmanned aerial vehicle provided by the present application, because the electronic governor is installed outside the arm, the first case and the second case are detachably connected, and the circuit board is accommodated in the first case and In the receiving space formed by the second casing. Therefore, on the one hand, the first case and the second case can protect the circuit board and have an anti-collision effect; on the other hand, there is no need to remove the electronic governor from the inside of the arm and take it out or first When the governor is removed from the ESC mount, the first housing and the second housing can be disassembled, so that the internal parts of the electronic governor, such as the circuit board, can be quickly overhauled and/or replaced, improving the overhaul Operational and maintenance efficiency.
  • the first fastener is externally covered with the first waterproof component, it is prevented that external water and other substances enter the accommodation space from the gap between the connection between the first housing and the first fastener and are damaged
  • the circuit board ensures the working reliability of the electronic governor.
  • FIG. 1 is a schematic structural diagram of a drone provided by an embodiment of the present application.
  • FIG. 2 is a partial schematic diagram of the drone in FIG. 1, which shows the arm, electronic governor, electronic adjustable mount, motor, and propeller;
  • FIG. 3 is a schematic structural diagram of an electronic governor provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of the explosion of the electronic governor in FIG. 3;
  • FIG. 5 is a partial schematic diagram of the electronic governor in FIG. 4;
  • FIG. 6 is a schematic cross-sectional view of the electronic governor of FIG. 3 along a plane
  • FIG. 7 is a partial enlarged schematic view of the electronic governor in FIG. 6 at A;
  • FIG. 8 is a schematic cross-sectional view of the electronic governor of FIG. 3 along another plane;
  • FIG. 9 is a schematic structural view of the first housing in FIG. 4 at an angle
  • FIG. 10 is a schematic view of the structure of the second housing in FIG. 4 at an angle
  • FIG. 11 is a schematic structural view of the first waterproof member of FIG. 4 at an angle
  • FIG. 12 is a schematic structural view of the second waterproof member of FIG. 4 at an angle
  • FIG. 13 is a schematic structural view of the ESC mounting base in FIG. 2 at an angle;
  • 600 electronic governor; 610, housing; 611, first housing; 611a, first through hole; 611b, second through hole; 611c, socket portion; 611d, first surface; 611e, second surface; 611f, first side; 611g, coupling hole; 611h, stepped surface; 612, second housing; 612a, mounting part; 612b, matching part; 612c, installation hole; 613, receiving space;
  • 620 circuit board; 621, first conductive post; 621a, hollow part; 621b, transition part; 621c base part; 621d, fixing hole; 622, second conductive post; 623, second electrical connection part;
  • first connector 631, first conductive member; 631c, first penetration hole; 632, first package member; 632a, third surface; 632b, fourth surface; 632c, first connection portion; 632d, First opening; 632e, second opening; 632f, mounting groove;
  • first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
  • features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless otherwise specifically limited.
  • the UAV 100 provided by the embodiment of the present application can be used for agricultural plant protection, such as watering or spraying pesticides and nutrient solution for agricultural forestry crops or plants; the UAV 100 can also be used for electronic equipment such as cameras and cameras. The device performs tasks such as patrol and exploration.
  • the UAV 100 may be a rotary-wing unmanned aerial vehicle, a fixed-wing unmanned aerial vehicle, an unmanned helicopter, or a fixed-wing-rotor hybrid unmanned aerial vehicle.
  • the rotorless unmanned aerial vehicle may be a single-rotor aircraft, a double-rotor aircraft, a three-rotor aircraft, a four-rotor aircraft, a six-rotor aircraft, an eight-rotor aircraft, a ten-rotor aircraft, a twelve-rotor aircraft, and so on.
  • an embodiment of a certain aspect of the present invention provides an unmanned aerial vehicle 100.
  • the unmanned aerial vehicle 100 includes a fuselage 200, an arm 300, a motor 400, an electronic governor 600, an ESC mount 500, a propeller 700, a flight control system 830, and a power supply 820.
  • the arm 300 is connected to the body 200 and extends from the body 200, and the motor 400 is installed at one end of the arm 300.
  • the motor 400 is connected to the propeller 700 to provide flying power for the UAV 100.
  • the electronic speed governor 600 is mounted on the arm 300 through the ESC mount 500, and the flight control system is installed inside the fuselage.
  • the motor 400, the flight control system 830, and the motor 400 are electrically connected to the electronic governor 600, respectively, so that the electronic governor 600 can control the speed and/or direction of rotation of the motor 400.
  • the UAV 100 is a six-rotor unmanned aerial vehicle.
  • the number of the arm 300 is six, and the number of the motor 400, the electronic governor 600, the ESC mount 500 and the propeller 700 are the same as the number of the arm 300.
  • Each arm 300 is correspondingly provided with a motor 400, Electronic governor 600, electronic governor mounting base 500 and propeller 700. It can be understood that, in other embodiments, the motor 400, the electronic governor 600, the ESC mount 500, and the propeller 700 may be designed in any other suitable number, type, or arrangement according to actual requirements.
  • the arm 300 has a hollow structure to reduce the overall weight of the UAV 100 and improve the battery life.
  • the motor 400 may be disposed at any suitable part of the arm 300.
  • the motor 400 may be provided at the end of the arm 300 or close to the end of the arm 300.
  • the arm 300 can be designed into any shape according to actual requirements, such as a round tube, a square tube, or an oval tube.
  • the arm 300 has a circular tubular structure.
  • the arm 300 may be a carbon tube or a plastic tube made of carbon fiber material.
  • the motor 400 may be a three-phase motor, and the motor 400 may work under the control of the electronic governor 600. Different wiring methods of the motor 400 will affect the steering of the motor 400.
  • different motors 400 may require different rotation directions to rotate the UAV 100 as a whole, for example, adjacent motors 400 rotate in opposite directions, so that multiple motors 400 and propellers 700 act on the fuselage The torque at 200 cancels each other out. Therefore, the steering of the motor 400 is of great significance for the smooth flight of the UAV 100, and the steering of the motor 400 can be set accordingly through different connection methods of the motor 400 and the three-phase line 810.
  • the electronic speed governor 600 can be used to control the working state of the motor, such as controlling the motor to rotate forward, reverse, and accelerate rotation.
  • the electronic governor 600 may be installed on the aircraft arm and connected to the flight control system.
  • the electronic governor 600 controls the working state of the motor after receiving the control command of the flight control system. Please refer to FIGS. 2 to 12.
  • the electronic governor 600 is installed outside the arm 300.
  • the electronic governor 600 includes a housing 610, a circuit board 620, a first connector 630, a first fastener 641, a second fastener 642, a first waterproof assembly 650, and a second connector 670.
  • the second connector 670 includes a first conductive component 671 and a second conductive component 672.
  • the housing 610 includes a first housing 611 and a second housing 612.
  • the first casing 611 and the second casing 612 form an accommodating space 613 for accommodating the circuit board 620, protecting the circuit board 620, providing an anti-collision effect, and preventing the circuit board 620 from being corroded by dust or moisture.
  • the first housing 611 has a first through hole 611a, a second through hole 611b, a socket portion 611c, a first surface 611d, a second surface 611e, and a first side surface 611f.
  • the first surface 611d and the second surface 611e are two surfaces opposite to the first housing 611, wherein the first surface 611d is disposed toward the receiving space 613.
  • both the first through hole 611a and the second through hole 611b penetrate the first surface 611d and the second surface 611e, and communicate with the receiving space 613.
  • the first through hole 611a is used for the first fastener 641 to pass through to electrically connect the first connector 630 and the circuit board 620.
  • the second through hole 611b is used for passing through the second fastener 642 to electrically connect the circuit board 620 and the first conductive component 671.
  • the socket portion 611 is opened on the first side surface 611f and communicates with the receiving space 613 for the second conductive component 672 to pass through to electrically connect the circuit board 620 and the second conductive component 672.
  • the ESC mounting base 500 is a base for mounting the electronic governor 600 on the arm 300.
  • the ESC mounting base 500 has an assembling portion 510 and a groove 520, so that the electronic governor 600 can be mounted on the arm 300 through the ESC mounting base 500.
  • a mounting portion 612a is provided on the second housing 612, and the mounting portion 612a and the mounting portion 510 are detachably connected to install the electronic governor 600 on the machine The outside of the arm 300.
  • the mounting portion 612a is a mounting hole
  • the mounting portion 510 is a mounting hole
  • fasteners such as screws penetrate the mounting portion 612a and the mounting portion 510 to fix the second housing 612 and the ESC mounting base 500
  • the arm 300 is interposed between the second housing 612 and the ESC mounting base 500, and then the electronic governor 600 is fixed to the outside of the arm 300.
  • the mounting portion 612a and the assembling portion 510 may select any suitable connection method according to actual needs, for example, designing the mounting portion 612a as a slot, the assembling portion 510 as a buckle, or the mounting portion 612a It is designed as a buckle, and the assembling portion 510 is designed as a buckle.
  • the mounting portion 612a and the assembling portion 510 are combined by buckling or the like, as long as the second housing 612 and the ESC mounting base 500 can be detachably connected.
  • the electronic governor 600 when the electronic governor 600 fails, the electronic governor 600 can be disassembled without removing and removing the electronic governor 600 from the inside of the arm, thereby carrying out the electronic governor 600 Quick maintenance and/or replacement, improve the operability and maintenance efficiency of maintenance.
  • a side of the second housing 612 facing away from the receiving space 613 is provided with a matching portion 612 b to cooperate with the ESC mounting base 500 to form a penetrating portion for the arm 300 to pass through.
  • the fitting portion 612b is an arc-shaped concave portion
  • the groove 520 is an arc-shaped groove
  • the penetration portion is a closed ring-shaped through-hole structure.
  • the fitting portion 612b, the groove 520 and the penetrating portion may be designed into any shape or structure according to actual needs, for example, the penetrating portion is a non-closed ring-shaped through-hole structure or a square through-hole structure , Elliptical through-hole structure, etc., and even the matching portion 612b may be a planar structure, as long as the penetrating portion can be used for the arm 300 to penetrate, and the electronic governor 600 can be mounted on the arm 300 through the electronic adjustable mount 500 .
  • the number of the fitting portions 612b may be designed to be any suitable number according to actual needs, such as one, two, three, or more.
  • the number of the matching portions 612b is two, and the two matching portions 612b are arranged at intervals in the insertion direction of the arm 300. In this way, not only can the electronic governor 600 be stably mounted on the arm 300, but also raw materials can be saved and The overall weight of the UAV 100 improves battery life.
  • the first housing 611 and the second housing 612 are detachably connected.
  • the first housing 611 and the second housing 612 can design any suitable connection structure according to different requirements, such as snap-fitting, screw connection, etc., as long as the two can be detachably connected.
  • the first housing 611 is provided with a coupling hole 611g
  • the second housing 612 is provided with an installation hole 612c
  • the installation hole 612c is a through hole
  • screws and other fasteners are provided with installation holes 612c and the coupling hole 611g, thereby fixing the first housing 611 and the second housing 612.
  • the coupling hole 611g may also be designed as a through hole, and fasteners such as screws penetrate the coupling hole 611g and the mounting hole 612c, thereby fixing the first housing 611 and the second housing 612 .
  • the first housing 611 and the second housing 612 are detachably connected, and the circuit board 620 is housed It is located in the receiving space 613 formed by the first casing 611 and the second casing 612, so there is no need to remove the electronic governor 600 from the inside of the arm 300 and take it out or first to remove the electronic governor 600 from the ESC mount 500
  • the first housing 611 and the second housing 612 can be directly disassembled, so as to quickly repair and/or replace the internal components of the electronic governor 600, such as the circuit board 620, to improve the operability of the repair And maintenance efficiency.
  • the electronic governor 600 During operation, the electronic governor 600 generates a large amount of heat.
  • the first shell 611 and the second shell 612 may be made of metals such as copper, copper alloy, aluminum alloy, or conductive materials such as conductive plastic and conductive rubber.
  • both the first shell 611 and the second shell 612 are metal parts, such as aluminum alloy.
  • the circuit board 620 is installed in the receiving space 613. Specifically, the circuit board 620 may be carried on the second housing 612. The circuit board 620 may be laid with control lines and integrated with electronic components such as capacitors, inductors, diodes, and the like. The circuit board 620 can be electrically connected to the motor 400, the flight control system 830 and the power supply 820.
  • the circuit board 620 is provided with a first conductive post 621 and a second conductive post 622.
  • the first conductive post 621 is connected to the first fastener 641 to electrically connect the circuit board 620 and the first connector 630.
  • the second conductive post 622 is connected to the second fastener 642 to electrically connect the circuit board 620 and the first conductive component 671.
  • the structure of the second conductive pillar 622 is the same as the structure of the first conductive pillar 624.
  • the first conductive pillar 621 is taken as an example for description here.
  • the first conductive pillar 621 includes a hollow portion 621a, a transition portion 621b, and a base portion 621c.
  • the hollow portion 621a has a fixing hole 621d adapted to the first fastener 641.
  • One end of the transition portion 621b is connected to the hollow portion 621a, and the other end of the transition portion 621b is connected to the base portion 621c.
  • the outline dimension of the transition portion 621b is larger than the outline dimensions of the hollow portion 621a and the base portion 621c to save raw materials.
  • One end of the base portion 621c is connected to the hollow portion 621a, and the other end of the base portion 621c is electrically connected to the circuit board 620. It can be understood that in other embodiments, the transition portion 621b may be omitted, and the hollow portion 621a is directly connected to the base portion 621c.
  • the first connector 630 is used to electrically connect the motor 400 and the electronic governor 600.
  • the first connector 630 includes a first conductive member 631 and a first packaging member 632.
  • the first conductive member 631 is electrically connected to one end of the three-phase line 810.
  • the first conductive member 631 may be made of conductive materials such as copper, copper alloy, aluminum alloy, conductive plastic, and conductive rubber.
  • the first conductive member 631 is encapsulated in the first packaging member 632, and the first conductive member 631 is at least partially exposed from the first packaging member 632.
  • the first conductive member 631 includes a conductive ring and a joint part.
  • the conductive ring is fixedly connected to the joint part.
  • the conductive ring and the joint are integrally formed. It can be understood that, in other embodiments, the conductive ring and the joint portion may also be independent components. In this case, the conductive ring and the joint portion may be fixed by welding or the like.
  • the conductive ring has a first through hole 631c for the first fastener 641 to pass through.
  • the first fastener 641 is a screw
  • the stud of the first fastener 641 may pass through the first through hole 631c and be electrically connected to the circuit board 620
  • the nut of the first fastener 641 may be electrically conductive
  • the side of the ring facing away from the circuit board 620 resists to be electrically connected to the conductive ring.
  • the joint part is used to electrically connect the conductive coil and the three-phase line 810.
  • the first packaging member 632 is used to encapsulate the first conductive member 631, and the first packaging member 632 may also encapsulate part of the three-phase line 810.
  • the connected three-phase line 810 and the first conductive member 631 can be fixed together in the injection mold, and the first package 632 can be obtained by injection molding and other processes.
  • the first package 632 may be made of an insulating material, for example, the material of the first package 632 may be plastic.
  • the overall shape of the first package 632 may be square, round, trapezoidal, etc., which is not limited herein. When the motor 400 and the circuit board 620 are connected, the first package 632 may be disposed on the first housing 611.
  • the first package 632 has a third surface 632a, a fourth surface 632b and a first connection portion 632c that are disposed opposite to each other.
  • the first connection portion 632c penetrates the third surface 632a and the fourth surface 632b, and the fourth surface 632b is disposed toward the first housing 611.
  • the first connection portion 632c includes a first opening 632d and a second opening 632e that communicate with each other.
  • the conductive ring is provided at the connection between the first opening 632d and the second opening 632e, and both the first opening 632d and the second opening 632e communicate with the first through hole 631c.
  • the fourth surface 632b of the first package 632 may be combined with the second surface 611e of the first housing 611. Specifically, it may be that the fourth surface 632b of the first package 632 abuts on the second surface 611e of the first housing 611.
  • the first fastener 641 penetrates the first opening 632d, the first penetration hole 631c, the second opening 632e, and the first through hole 611a to electrically connect the first conductive member 631 and the circuit board 620.
  • the first conductive member 631 may be exposed from the first connecting portion 632c to allow the first fastener 641 to be installed on the first connecting portion 632c and electrically connect the first conductive member 631 and Circuit board 620.
  • the conductive ring may be exposed from the first opening 632d.
  • the first opening 632d may be formed on the third surface 632a, and the second opening 632e may be formed on the fourth surface 632b.
  • the cross-sectional size of the first opening portion 632d is larger than the cross-sectional size of the second opening portion 632e, and the cross-sectional size of the first opening portion 632d is adapted to the maximum cross-sectional size of the first fastener 641.
  • the size of the first opening 632d can just accommodate the head of the screw, while the second opening 632e cannot provide a housing space for the screw head. Therefore, when the user needs to install the first connector 630, only the first connector 630 is connected to the fourth surface 632b and the second surface 611e of the first housing 611, and the first opening portion near the third surface 632a is exposed In this state, the user can securely connect the first connector 630 to the first housing 611 through the first fastener 641. Therefore, the first connector 630 ensures that the motor 400 and the electronic governor 600 are connected according to a predetermined connection mode, preventing the user from installing the first connector 630 upside down.
  • the first fastener 641 is a screw.
  • the head of the first fastener 641 can all be received in the first opening 632d without protruding from the third surface 632a. It can also be determined whether the first fastener 641 protrudes from the third surface 632a to determine whether it is correctly installed and installed in place. It can be understood that in other embodiments, the head of the first fastener 641 may also be partially received in the first opening 632d, as long as the first fastener 641 can realize the electrical connection between the first conductive member 631 and the circuit board 620 Just connect.
  • the first fastener 641 may be any other suitable structure, as long as the first fastener 641 can realize the electrical connection between the first conductive member 631 and the circuit board 620, and can connect the first connector 630 1.
  • the first housing 611 and the circuit board 620 can be fastened.
  • the user Since the first conductive member 631 is electrically connected to the three-phase line 810 and the other end of the three-phase line 810 is electrically connected to the motor 400, the user only needs to expose the first conductive material through the conductive first fastener 641 when installing When the component 631 is connected to the circuit board 620, the purpose of electrically connecting the motor 400 and the electronic governor 600 can be achieved.
  • the number of the first conductive members 631 is plural, the number of the first connecting portions 632c is plural, and each first conductive member 631 is exposed from a corresponding one of the first connecting portions 632c.
  • the number of the first conductive members 631 is three, each first conductive member 631 is connected to one of the three-phase lines 810, and a plurality of first conductive members 631 are packaged together in the same first package In 632, the three-phase line 810 will not be scattered, and the structure is compact.
  • the number of the first connecting portions 632c is plural, and each first conductive member 631 is exposed from the corresponding one of the first connecting portions 632c, and a plurality of first fasteners 641 may be provided, each of the first fasteners 641 passing through The first connecting portion 632c and the first conductive member 631 are electrically connected to the circuit board 620 and the first connector 630.
  • the number of the first through holes 611a may also be plural, and each of the first through holes 611a is aligned with one first connecting portion 632c.
  • the number of the first conductive members 631 is not limited to the above-mentioned three examples, and different numbers can be set according to different requirements, for example, the number of the first conductive members 631 is one, two, four, five, six or more.
  • the first conductive component 671 and the second conductive component 672 are both disposed outside the first housing 611.
  • the first conductive component 671 is used for electrical connection with the power supply 820
  • the second conductive component 672 is used for electrical connection with the flight control system 830.
  • the first conductive component 671 includes a second conductive member 671a and a second packaging member 671b.
  • the second conductive member 671a has a second through hole 671c, which is electrically connected to the power supply 820 through a wire.
  • the second package 671b has a fifth surface 671d, a sixth surface 671e, and a second connection portion 671f.
  • the second conductive member 671a is packaged in the second packaging member 671b.
  • the second connection portion 671f penetrates the fifth surface 671d and the sixth surface 671e, and communicates with the second penetration hole 671c.
  • the sixth surface 671e of the second package 671b may be combined with the second surface 611e of the first housing 611.
  • the sixth surface 671e of the second package 671b may bear against the second surface of the first housing.
  • the second fastener 642 penetrates the second connection portion 671f, the second penetration hole 671c, and the second through hole 611b to electrically connect the second conductive member 671a and the circuit board 620.
  • the second conductive member 671a may be exposed from the second connecting portion 671f to allow the second fastener 642 to be installed on the second connecting portion 671f and electrically connect the first conductive member and the circuit board 620.
  • the cross-sectional dimension of the portion of the second connecting portion 671f near the fifth surface 671d is larger than the cross-sectional dimension of the portion of the second connecting portion 671f near the sixth surface 671e.
  • the cross-sectional size of the portion of the second connecting portion 671f near the fifth surface 671d is adapted to the size of the second fastener 642.
  • the portion of the second connecting portion 671f near the fifth surface 671d can just accommodate the head of the screw, while the portion of the second connecting portion 671f near the sixth surface 671e cannot provide the screw head Accommodate space. Therefore, when the user needs to install the first conductive component 671, the user can pass the second fastener only when the first conductive component 671 is in a state where the sixth surface 671e is combined with the second surface of the first housing and the fifth surface 671d is exposed 642 fixedly connects the first conductive component 671 to the first housing. Therefore, the first conductive component 671 ensures that the motor and the electronic governor 600 are connected according to a predetermined connection mode, and prevents the user from installing the first conductive component 671 upside down.
  • the second fastener 642 is a screw. After the second fastener 642 is installed in place, the head of the second fastener 642 can be entirely accommodated in the second connecting portion 671f without being removed from the The five surfaces 671d are protruding, and the user can also judge whether the second fastener 642 protrudes from the fifth surface 671d to determine whether the second fastener 642 is correctly installed and installed in place. It can be understood that in other embodiments, the head of the second fastener 642 may also be partially accommodated in the second opening 632e, as long as the second fastener 642 can realize the electrical connection between the second conductive member 671a and the circuit board 620 Just connect.
  • the second conductive member 671a is electrically connected to the power source 820 through a wire. Specifically, the second conductive member 671a is electrically connected to one end of the wire, and the other end of the wire is electrically connected to the power supply 820. Therefore, the user only needs to expose the exposed second conductive member 671a through the conductive second fastener 642 during installation When connected to the circuit board 620, the purpose of electrically connecting the power supply and the electronic governor 600 can be achieved.
  • the number of the first conductive components 671 is two, each second package 671b is provided with a second connection portion 671f, and each second conductive component 671a is exposed from the corresponding first connection portion 632c
  • One of the second conductive members 671a is connected to the positive electrode of the power supply 820, and the other second conductive member 671a is connected to the negative electrode of the power supply 820.
  • the first conductive component 671 may be designed into any other suitable structure according to different requirements.
  • the second package 671b is provided with two second connection parts 671f and two second conductive parts 671a It is provided on the same second package 671b as long as the first conductive component 671 can electrically connect the power supply 820 and the circuit board 620.
  • the second conductive component 672 has a first electrical connection portion 672a.
  • the circuit board 620 is provided with a second electrical connection portion 623.
  • the first electrical connection portion 672a is inserted into the socket portion 611c and electrically connected to the second electrical connection portion 623.
  • the first electrical connection portion 672a may be at least one of a metal male head, a metal female head, a metal contact, or the like.
  • the second electrical connection portion 623 is at least one of a metal female head, a metal male head, a metal contact, and the like that cooperate with the first electrical connection portion 672a.
  • the first fastener 641 and the second fastener 642 may be made of conductive materials such as copper, copper alloy, aluminum alloy, conductive plastic, and conductive rubber.
  • the first fastener 641 is also provided outside A first waterproof component 650 is provided to seal the gap between the first housing 611 and the first fastener 641.
  • the first waterproof component 650 includes a first waterproof member 651 and a second waterproof member 652.
  • the first waterproof member 651 is provided on the first surface 611d of the first housing 611 to prevent water from flowing into the storage space from the first through hole 611a.
  • the first waterproof member 651 includes a body 651a and a first hole structure 651b. The opposite sides of the body 651a abut the first surface 611d of the first housing 611 and the transition portion 621b of the first conductive post 621, respectively.
  • the first hole structure 651b is used to penetrate the hollow portion 621a of the first conductive pillar 621, and has a hollow boss 651c protruding from the body 651a. The outside of the hollow boss 651c abuts on the first through hole 611a and is in interference fit with the first through hole 611a.
  • the first fastener 641 connects the first connector 630, the first housing 611, and the first conductive
  • the first housing 611 and/or the hollow portion 621a of the first conductive post 621 will press the hollow boss 651 to prevent water from passing through the first through hole 611a and passing through the first conductive post 621 and the first
  • the gap at the connection of a through hole 611a enters the receiving space 613, which improves the waterproof performance of the electronic governor 600.
  • the shape of the first hole structure 651b can be designed into any suitable shape according to actual requirements, such as a round hole structure, a square hole structure, an elliptical hole structure, etc., as long as the first fastener 641 can be penetrated.
  • the first hole structure 651b is a round hole structure.
  • the first waterproof member 651 may further include a convex portion 651d.
  • the convex portion 651d is provided on the side of the main body 651a facing away from the second housing 612.
  • the convex portion 651d is an annular structure, which is spaced apart from the first hole structure 651b along the radial direction of the first hole structure 651b.
  • the convex portion 651d has an interference fit with the first surface 611d of the first housing 611.
  • the transition portion 621b of the first housing 611 and/or the first conductive post 621 may press the protrusion In the portion 651d, even if water flows from the gap between the first through hole 611a and the hollow portion of the first conductive post 621 to the first surface 611d of the first housing 611, the convex portion 651d can prevent the water from further entering the receiving space 613 , Play the role of secondary waterproof, further improve the waterproof performance of electronic governor 600. It can be understood that in other embodiments, the convex portion 651d may be omitted.
  • the number of the first hole structures 651b is three, and each first hole structure 651b is correspondingly provided with a convex portion 651d. It can be understood that, in other embodiments, the number of the first hole structures 651b and the number of the first hole structures 651b may also be set according to different requirements, for example, one, two or more.
  • the second waterproof member 652 is disposed on the second surface 611e of the first housing 611 and is used to seal the connection between the first housing 611 and the first connector 630 to prevent water from flowing into the receiving space 613 from the first through hole 611a To further improve the waterproof effect of the electronic governor 600.
  • a mounting groove 632f is provided on the fourth surface 632b of the first package 632, and the second waterproof member 652 has a second hole structure 652a for the first connection portion 632c to face the fourth surface 632b Perforated, the second waterproof member 652 is used to prevent water from entering the first through hole 611a.
  • a side of the first through hole 611a facing the second surface 611e has a stepped surface 611h, an end of the first connecting portion facing the fourth surface 632b abuts on the stepped surface 611h, and two opposite sides of the second waterproof member 652 The sides abut the end of the first through hole 611a toward the second surface 611e and the bottom wall of the mounting groove 632f, respectively.
  • the number of the second hole structures 652a can be designed as one, two, three or more according to different requirements. When the number of the second hole structures 652a is two or more, connecting ribs 652b are connected between adjacent second hole structures 652a, and the outer outline size of the second hole structures 652a is larger than the outline size of the connection ribs 652b.
  • Both the first waterproof member 651 and the second waterproof member 652 are waterproof elastic members, such as elastic members made of rubber or other materials.
  • first fastener 641 fits the first connector 630, the first housing, and the first conductive post in place
  • first housing and/or the first connector 630 will press the first waterproof member 651 and/or
  • the second waterproof member 652 causes the first waterproof member 651 and/or the second waterproof member 652 to elastically deform, thereby playing a waterproof role, and improving the waterproof performance of the electronic governor 600.
  • the third surface 632a of the first connector 630 is further provided with a first protective cover 681, and a side of the first conductive component 671 facing away from the circuit board 620 is provided with a second protective cover 682.
  • the first protective cover 681 covers the end of the first connecting portion 632c close to the third surface 632a to prevent water from entering the first connecting portion 632c; the second protective cover 682 and the second connecting portion 671f face away from the second fastener 642 One end to prevent water from entering the second connection portion 671f, thereby further improving the waterproof performance of the electronic governor 600.
  • the first protective cover 681 and the first connector 630 can be screwed, and the first protective cover 681 and the first fastener 641 are glued together.
  • the second protective cover 682 and the first conductive component 671 may be screwed, and the second protective cover 682 and the second fastener 642 are glued together.
  • the first protective cover 681 may be installed according to different requirements, for example, it is only screwed to the first connector 630 and is spaced apart from the first fastener 641.
  • the second protective cover 682 can also be installed according to different requirements, which will not be repeated here.
  • the electronic governor 600 further includes a protective cover 687.
  • the protective cover 687 is connected to the second surface 611e of the first housing 611 and is provided outside the first protective cover 681 and the first connector 630 to prevent water from entering the first connection of the first package 632 Department, to further improve the waterproof performance.
  • the protective cover 687 and the first housing 611 can be designed with connection methods such as screw connection, snap connection, and glue connection according to different requirements.
  • the circuit board 620 is placed on the second housing 612.
  • the first waterproof member 651 is placed on the circuit board 620 so that the first conductive pillar 621 passes through the first hole structure 651b of the first waterproof member 651.
  • the first housing 611 is placed on the second housing 612 such that the first through hole 611a corresponds to the position of the first conductive post 621, and the second through hole 611b corresponds to the position of the second conductive post 622.
  • the second waterproof member 652 is placed on the second surface 611e of the first housing 611 so that the second waterproof member 652 abuts the end of the first through hole 61a facing the second surface 611e.
  • the first connector 630 is placed on the second surface 611e of the first housing 611 so that the second waterproof member 652 is located on the mounting groove 632f.
  • the first fastener 6412 is penetrated through the first connection portion 632c, the first penetration hole 631c, and the first through hole 611a to connect with the first conductive post 621 to electrically connect the first conductive member 631 and the circuit board 620.
  • the second fastener 642 is threaded through the second connecting portion 671f, the second threaded hole 671c, and the second through hole 611b to the second conductive post 622 to electrically connect the second conductive member 671a and the circuit board 620.
  • the first protective cover 681 is connected to the first package 632, and the second protective cover 682 is connected to the second package 671b.
  • the protective cover 687 is connected to the first housing 611.
  • the first casing 611 and the second casing 612 are locked by screws and other fasteners, and the assembly of the electronic governor 600 is completed.
  • the electronic governor 600, the power device and the unmanned aerial vehicle 100 provided in the above embodiments, since the electronic governor 600 is installed outside the arm 300, the first casing 611 and the second casing 612 are detachably connected, and the circuit board 620 is accommodated in the accommodation space 613 formed by the first casing 611 and the second casing 612.
  • the first housing 611 and the second housing 612 can protect the circuit board 620 and have an anti-collision effect; on the other hand, there is no need to remove the electronic governor 600 from the inside of the arm 300 and take it out Or first remove the electronic governor 600 from the ESC mount 500, the first housing 611 and the second housing 612 can be disassembled, so that the internal components of the electronic governor 600, such as the circuit board 620 Quick maintenance and/or replacement, improve the operability and maintenance efficiency of maintenance.
  • the circuit board 620 ensures the working reliability of the electronic governor 600.
  • the electronic governor 600 of this embodiment is substantially the same as the electronic governor 600 of the first embodiment, the difference is that the waterproof structure is further added on the basis of the first embodiment.
  • the electronic governor 600 further includes a second waterproof component 660 sleeved outside the second fastener 642 for sealing the first housing 611 and the second The gap at the joint of the fastener 642.
  • the second waterproof assembly 660 includes a third waterproof member 661 and a fourth waterproof member 662.
  • the third waterproof member 661 is provided on the first surface 611d to seal the gap between the connection between the first housing 611 and the second fastener 642.
  • the structure of the third waterproof member 661 is substantially the same as the structure of the first waterproof member 651, the difference is that, in this embodiment, the third waterproof member 661 has only one first hole structure 651b and convex Department 651d.
  • the structure of the same part of the third waterproof member 661 and the first waterproof member 651 has been described in detail in the first embodiment, and will not be repeated here.
  • the fourth waterproof member 662 is provided on the second surface 611e to seal the connection between the first housing 611 and the second connector 670. Specifically, the fourth waterproof member 662 is provided on the second surface 611e to seal the connection between the first housing 611 and the second connector 670 to prevent water from flowing into the receiving space 613 from the second through hole 611b. In this embodiment, the fourth waterproof member 662 is a waterproof seal ring. It can be understood that in other embodiments, the fourth waterproof member 662 may be omitted.
  • Both the third waterproof member 661 and the fourth waterproof member 662 are waterproof elastic members.
  • the second fastener 642 assembles the first conductive component 671, the first housing 611, and the second conductive post 622 in place, the first housing 611 and/or the first conductive component 671 will press the third waterproof member 661 And/or the fourth waterproof member 662, so that the third waterproof member 661 and/or the fourth waterproof member 662 are elastically deformed, thereby playing a role of waterproof, and improving the waterproof performance of the electronic governor 600.
  • the electronic governor 600 further includes a fifth waterproof member 683 provided at the connection between the first housing 611 and the second housing 612 to prevent Water enters the accommodating space 613 from the gap at the connection between the first casing 611 and the second casing 612 to damage the circuit board 620 and improve the waterproof performance of the electronic governor 600.
  • the fifth waterproof member 683 is a waterproof seal ring.
  • the fifth waterproof member 683 can be designed into any suitable shape according to different requirements, such as a circle, a square, an ellipse, etc., as long as it is compatible with the first housing 611 and the second housing 612 to prevent water from flowing from the first housing 611
  • the connection point with the second casing 612 may enter the accommodation space 613.
  • the electronic governor 600 further includes a sixth waterproof member 684.
  • the sixth waterproof member 684 is provided at the connection between the socket portion 611c and the first electrical connection portion 672a.
  • the sixth waterproof member 684 is provided at the connection between the second conductive element 672 and the socket portion 611c.
  • the second conductive component 672 further has a limiting groove, and the sixth waterproof member 684 is disposed in the socket portion 611c and located on the limiting groove.
  • the sixth waterproof member is made of a material having elasticity, such as rubber, foam, or the like.
  • the sixth waterproof member 684 has an interference fit with the socket portion 611c.
  • the sixth waterproof member 684 can play a role of sealing the gap between the second conductive component 672 and the socket portion, preventing rainwater and other substances from entering the storage space along the socket portion 611c and damaging its interior Circuit board 620. It can be understood that in other embodiments, the sixth waterproof member 684 may also be made of other suitable materials, as long as the sixth waterproof member 684 can prevent rainwater and other substances from entering the receiving space along the socket portion 611c and damaging the circuit board 620. can.
  • the electronic governor 600 of this embodiment is substantially the same as the electronic governor 600 of the first embodiment. The difference is that the electronic governor 600 further includes a first heat sink 685.
  • the electronic governor 600 also includes a first heat sink 685.
  • the first heat dissipation member 685 is provided on the first surface 611d and used to conduct heat generated by the circuit board 620.
  • the heat generated by the operation of the circuit board 620 can be quickly transferred to the outside world through the first housing 611 and the first heat dissipation member 685.
  • the structure of the first heat dissipation member 685 may be designed as any suitable structure according to different requirements, for example, as at least one of heat dissipation fins, heat dissipation blades, heat dissipation cylinders, and the like.
  • the first heat dissipation member 685 includes a plurality of heat dissipation fins 685a, the plurality of heat dissipation fins are arranged side by side, and the heat dissipation surfaces of the plurality of heat dissipation fins 685a are parallel to each other, so as to increase the heat dissipation area and improve the circuit board 620 Heat dissipation efficiency.
  • first heat sink 685 and the first housing 611 may be integrally formed.
  • first heat dissipation member 685 and the first housing 611 may also be independent components, which are connected by connecting members such as glue, snaps, and screws.
  • the electronic governor 600 further includes a second heat dissipation member 686.
  • the second heat dissipation member 686 is disposed on the side of the second housing 612 facing the receiving space 613, and is in contact with the circuit board 620, and is used to guide the heat generated by the circuit board 620.
  • the second heat dissipation member 686 is a heat dissipation boss, which is protruding from the second housing 612, and the side of the second heat dissipation member 686 facing the receiving space abuts the circuit board 620, so that the circuit board 620 works
  • the heat generated at the time may be conducted to the outside through the second heat dissipation member 686, or may be conducted to the outside through the air in the gap formed by the second heat dissipation member 686, the second housing 612, and the circuit board 620.
  • the second heat sink 686 is integrally formed with the second housing 612.
  • the shape of the second heat sink 686 is H-shaped.
  • the second heat dissipation member may be designed into any suitable shape according to different requirements, for example, L-shaped, I-shaped, or Wang-shaped.
  • the second heat dissipation member 686 and the second housing 612 may also be independent components, which are connected by connecting members such as glue, snaps, and screws.
  • the power plant provided in the second aspect of the present invention and the unmanned aerial vehicle 100 provided in the third aspect of the present invention all include the electronic governor 600 described in the foregoing multiple embodiments, and thus have all the benefits of any of the above technical solutions. The technical effect will not be repeated here.
  • connection should be understood in a broad sense, for example, it can be fixed connection or detachable Connect, or connect integrally. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the connection between two elements or the interaction between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.
  • the first feature “above” or “below” the second feature may include the direct contact of the first and second features, or may include the first and second features Contact not directly but through another feature between them.
  • the first feature is “above”, “above” and “above” the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontal than the second feature.

Abstract

L'invention concerne un dispositif de commande de vitesse électronique, un dispositif d'alimentation et un véhicule aérien sans pilote. Le dispositif de commande de vitesse électronique est monté à l'extérieur d'un bras, et comprend un premier boîtier (611), un second boîtier (612), une carte de circuit imprimé (620), un premier connecteur (630), un second connecteur (670), un premier élément de fixation (641), un second élément de fixation (642) et un premier ensemble étanche à l'eau (650). Le premier boîtier (611) est relié de manière amovible au second boîtier (612) pour former, d'une manière fermée, un espace de logement pour recevoir la carte de circuit imprimé (620), et le premier ensemble étanche à l'eau (650) est utilisé pour sceller un espace au niveau de l'articulation entre le premier boîtier (611) et le premier élément de fixation (641). Les composants internes du dispositif de commande de vitesse électronique peuvent être réparés rapidement, ce qui améliore l'exploitabilité et l'efficacité de réparation.
PCT/CN2018/118995 2018-12-03 2018-12-03 Dispositif de commande de vitesse électronique, dispositif d'alimentation et véhicule aérien sans pilote WO2020113386A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880039259.3A CN110876266A (zh) 2018-12-03 2018-12-03 电子调速器、动力装置及无人飞行器
PCT/CN2018/118995 WO2020113386A1 (fr) 2018-12-03 2018-12-03 Dispositif de commande de vitesse électronique, dispositif d'alimentation et véhicule aérien sans pilote

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/118995 WO2020113386A1 (fr) 2018-12-03 2018-12-03 Dispositif de commande de vitesse électronique, dispositif d'alimentation et véhicule aérien sans pilote

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WO2020113386A1 true WO2020113386A1 (fr) 2020-06-11

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