WO2021056430A1 - Système intégrant une alimentation électrique et une communication sans fil, dispositif radar et véhicule aérien sans pilote - Google Patents

Système intégrant une alimentation électrique et une communication sans fil, dispositif radar et véhicule aérien sans pilote Download PDF

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Publication number
WO2021056430A1
WO2021056430A1 PCT/CN2019/108593 CN2019108593W WO2021056430A1 WO 2021056430 A1 WO2021056430 A1 WO 2021056430A1 CN 2019108593 W CN2019108593 W CN 2019108593W WO 2021056430 A1 WO2021056430 A1 WO 2021056430A1
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WO
WIPO (PCT)
Prior art keywords
soft magnetic
base
communication
power supply
metal layer
Prior art date
Application number
PCT/CN2019/108593
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English (en)
Chinese (zh)
Inventor
周万仁
张文康
孙维忠
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.)
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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 CN201980032096.0A priority Critical patent/CN112119567A/zh
Priority to PCT/CN2019/108593 priority patent/WO2021056430A1/fr
Publication of WO2021056430A1 publication Critical patent/WO2021056430A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • This application relates to the field of communication technology, and in particular to an integrated system of wireless power supply and communication, a radar device and a drone.
  • wireless power supply and wireless communication technology are widely used in radar, drones and other fields.
  • wireless power supply is usually realized by electromagnetic induction of two wireless coils
  • wireless communication is usually achieved by electromagnetic waves between two communication antennas. Coupled to achieve.
  • the space occupied by the wireless power supply and wireless communication system is usually required to be designed to be relatively small. Therefore, in a narrow space, the electromagnetic induction generated by the wireless coil and the electromagnetic wave generated by the communication interfere with each other.
  • the coupling coefficient between the wireless coils is reduced, thereby reducing the power supply efficiency of the wireless power supply, on the other hand, it interferes with the electromagnetic wave coupling between the communication antennas, thereby affecting the accuracy of wireless communication.
  • the embodiments of the present application provide an integrated system for wireless power supply and communication, a radar device, and an unmanned aerial vehicle.
  • the integrated wireless power supply and communication system of the embodiment of the present application includes a wireless power supply module and a wireless communication module.
  • the wireless power supply module includes: an electric power transmitting component, an electric power receiving component, and at least one soft magnetic component.
  • the power transmitting member and the power receiving member are spaced and opposed to each other, and the power transmitting member and/or the power receiving member are sleeved on the soft magnetic member.
  • the wireless communication module includes a first communication component and a second communication component. The first communication component passes through the power transmission component, and when the power transmission component is sleeved on the soft magnetic component, the soft magnetic component separates the first communication component and the power transmission component.
  • the second communication component passes through the power receiving member, and when the power receiving member is sleeved on the soft magnetic member, the soft magnetic member separates the second communication component and the power receiving member.
  • the first communication component and the second communication component are spaced apart and establish a wireless communication connection.
  • the radar device of the embodiment of the present application includes a casing and an integrated system of wireless power supply and communication, and the integrated system of wireless power supply and communication is provided in the casing.
  • the integrated system of wireless power supply and communication includes a wireless power supply module and a wireless communication module.
  • the wireless power supply module includes: an electric power transmitting component, an electric power receiving component, and at least one soft magnetic component.
  • the power transmitting member and the power receiving member are spaced and opposed to each other, and the power transmitting member and/or the power receiving member are sleeved on the soft magnetic member.
  • the wireless communication module includes a first communication component and a second communication component.
  • the first communication component passes through the power transmission component, and when the power transmission component is sleeved on the soft magnetic component, the soft magnetic component separates the first communication component and the power transmission component.
  • the second communication component passes through the power receiving member, and when the power receiving member is sleeved on the soft magnetic member, the soft magnetic member separates the second communication component and the power receiving member.
  • the first communication component and the second communication component are spaced apart and establish a wireless communication connection.
  • the unmanned aerial vehicle of the embodiment of the present application includes a frame, a load, and a radar device, and the radar device is installed on the frame and/or the load.
  • the radar device includes a casing and an integrated system of wireless power supply and communication, and the integrated system of wireless power supply and communication is provided in the casing.
  • the integrated system of wireless power supply and communication includes a wireless power supply module and a wireless communication module.
  • the wireless power supply module includes: an electric power transmitting component, an electric power receiving component, and at least one soft magnetic component.
  • the power transmitting member and the power receiving member are spaced and opposed to each other, and the power transmitting member and/or the power receiving member are sleeved on the soft magnetic member.
  • the wireless communication module includes a first communication component and a second communication component.
  • the first communication component passes through the power transmission component, and when the power transmission component is sleeved on the soft magnetic component, the soft magnetic component separates the first communication component and the power transmission component.
  • the second communication component passes through the power receiving member, and when the power receiving member is sleeved on the soft magnetic member, the soft magnetic member separates the second communication component and the power receiving member.
  • the first communication component and the second communication component are spaced apart and establish a wireless communication connection.
  • the integrated system of wireless power supply and communication, the radar device and the drone of the present application are provided with a soft magnetic part, which uses the soft magnetic part to separate the first communication component and the power transmission part, or/and uses the soft magnetic part to separate the second communication
  • the components and the power receiving part can confine the electromagnetic induction generated by the wireless power supply module in the soft magnetic part, avoiding the mutual interference between the electromagnetic induction of the wireless power supply module and the electromagnetic wave of the wireless communication module, and on the one hand, it ensures that the wireless power supply module
  • the coupling coefficient between the power transmitting component and the power receiving component in the group thereby ensuring the power supply efficiency of the wireless power supply; on the other hand, the electromagnetic wave coupling between the first communication component and the second communication component in the wireless power supply module is ensured to ensure The accuracy of wireless communication.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an integrated system for wireless power supply and communication according to an embodiment of the present application
  • FIG. 2 is a schematic cross-sectional view of the integrated wireless power supply and communication system shown in FIG. 1, in which the wireless power supply module is connected to an external power source and a functional device;
  • FIG. 3 is a schematic diagram of a three-dimensional structure of an integrated system for wireless power supply and communication according to another embodiment of the present application;
  • FIG. 4 is a schematic cross-sectional view of the integrated wireless power supply and communication system shown in FIG. 3;
  • FIG. 5 is a schematic cross-sectional view of a wireless power supply and communication integrated system according to still another embodiment of the present application.
  • FIG. 6 is a schematic cross-sectional view of an integrated system for wireless power supply and communication according to another embodiment of the present application.
  • FIG. 7 is a schematic cross-sectional view of an integrated system for wireless power supply and communication according to another embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a radar device according to some embodiments of the present application.
  • Fig. 9 is a schematic diagram of a three-dimensional structure of a drone according to some embodiments of the present application.
  • first and second are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality of” means two or more than two, unless otherwise specifically defined.
  • the integrated wireless power supply and communication system 100 includes a wireless power supply module 10 and a wireless communication module 20.
  • the wireless power supply module 10 includes a power transmitting component 11, a power receiving component 12 and at least one soft magnetic component 13.
  • the power transmitting member 11 and the power receiving member 12 are spaced and opposed to each other, and the power transmitting member 11 and/or the power receiving member 12 are sleeved on the soft magnetic member 13.
  • the wireless communication module 20 includes a first communication component 21 and a second communication component 22.
  • the first communication component 21 passes through the power transmission component 11.
  • the soft magnetic component 13 separates the first communication component 21 and the power transmission component 11.
  • the second communication component 22 passes through the power receiving part 12.
  • the soft magnetic part 13 separates the second communication component 22 and the power receiving part 12.
  • the first communication component 21 and the second communication component 22 are spaced apart and establish a wireless communication connection.
  • the embodiment of the present application also provides a radar device 1000.
  • the radar device 1000 includes an integrated wireless power supply and communication system 100 and a housing 200, and an integrated wireless power supply and communication system 100 is provided in the housing 200.
  • the integrated wireless power supply and communication system 100 includes a wireless power supply module 10 and a wireless communication module 20.
  • the wireless power supply module 10 includes a power transmitting component 11, a power receiving component 12 and at least one soft magnetic component 13.
  • the power transmitting member 11 and the power receiving member 12 are spaced and opposed to each other, and the power transmitting member 11 and/or the power receiving member 12 are sleeved on the soft magnetic member 13.
  • the wireless communication module 20 includes a first communication component 21 and a second communication component 22.
  • the first communication component 21 passes through the power transmission component 11.
  • the soft magnetic component 13 separates the first communication component 21 and the power transmission component 11.
  • the second communication component 22 passes through the power receiving part 12.
  • the soft magnetic part 13 separates the second communication component 22 and the power receiving part 12.
  • the first communication component 21 and the second communication component 22 are spaced apart and establish a wireless communication connection.
  • the radar device 1000 is installed on the rack 2000 and/or the load 3000.
  • the radar device 1000 includes a housing 200 and an integrated wireless power supply and communication system 100, and the integrated wireless power supply and communication system 100 is provided in the housing 200.
  • the integrated wireless power supply and communication system 100 includes a wireless power supply module 10 and a wireless communication module 20.
  • the wireless power supply module 10 includes a power transmitting component 11, a power receiving component 12 and at least one soft magnetic component 13.
  • the power transmitting member 11 and the power receiving member 12 are spaced and opposed to each other, and the power transmitting member 11 and/or the power receiving member 12 are sleeved on the soft magnetic member 13.
  • the wireless communication module 20 includes a first communication component 21 and a second communication component 22.
  • the first communication component 21 passes through the power transmission component 11.
  • the soft magnetic component 13 separates the first communication component 21 and the power transmission component 11.
  • the second communication component 22 passes through the power receiving part 12.
  • the soft magnetic part 13 separates the second communication component 22 and the power receiving part 12.
  • the first communication component 21 and the second communication component 22 are spaced apart and establish a wireless communication connection.
  • At least one soft magnetic component 13 includes one or more soft magnetic components 13.
  • the wireless power supply module 10 includes two soft magnetic parts 13, and the two soft magnetic parts 13 are a first soft magnetic part 131 and a second soft magnetic part 132 respectively.
  • the power transmitting member 11 is sleeved on the first soft magnetic member 131, and the power receiving member 12 is sleeved on the second soft magnetic member 132; or the power transmitting member 11 is sleeved on the second soft magnetic member 132, and the power receiving member 12 It is sleeved on the first soft magnetic part 131.
  • the material of the first soft magnetic member 131 and the material of the second soft magnetic member 132 may be the same or different.
  • the material of the first soft magnetic member 131 and the material of the second soft magnetic member 132 may be the same. Is ferrite; or, the material of the first soft magnetic part 131 and the material of the second soft magnetic part 132 are different, the material of the first soft magnetic part 131 is electrolytic iron, and the material of the second soft magnetic part 132 is ferrite body.
  • the materials of the first soft magnetic part 131 and the second soft magnetic part 132 only need to comply with the coercive force (Hc) of the soft magnetic part when the magnetization occurs, which is not greater than 1000 A/m, which is not limited in this application.
  • the wireless power supply module 10 only includes one soft magnetic part 13. In this case, the power transmitting part 11 may be sleeved on the soft magnetic part 13, or the power receiving part 12 may be sleeved on the soft magnetic part. 13 on.
  • the soft magnetic member 13 may wrap all the surroundings of the power transmitting member 11, or the soft magnetic member 13 may wrap a part of the power transmitting member 11.
  • the soft magnetic member 13 may wrap all the surroundings of the power receiving member 12, or the soft magnetic member 13 may wrap a part of the power receiving member 12.
  • the integrated wireless power supply and communication system 100, the radar device 1000 and the drone 10000 in the present application are provided with a soft magnetic part 13, and the soft magnetic part 13 is used to separate the first communication component 21 and the electric power transmitting part 11, or/and use
  • the soft magnetic part 13 separates the second communication component 22 and the power receiving part 12, thereby confining the electromagnetic induction generated by the wireless power supply module 10 in the soft magnetic part 13, avoiding the electromagnetic induction and wireless communication of the wireless power supply module 10
  • the electromagnetic waves of the modules 20 interfere with each other.
  • the wireless power supply module 10 ensures the coupling coefficient between the power transmitting component 11 and the power receiving component 12 in the wireless power supply module 10, thereby ensuring the power supply efficiency of the wireless power supply; on the other hand, it ensures the wireless power supply module
  • the electromagnetic wave coupling between the first communication component 21 and the second communication component 22 in 20 ensures the accuracy of wireless communication.
  • the soft magnetic member 13 a part of the power transmitting member 11 and/or the power receiving member 12 is wrapped, and the soft magnetic member 13 wraps all the surroundings of the power transmitting member 11 and/or the power receiving member 12.
  • the component 13 better confines the magnetic field between the power transmitting component 11 and/or the power receiving component 12, and avoids mutual interference between the electromagnetic induction of the wireless power supply module 10 and the electromagnetic wave of the wireless communication module 20 to a greater extent.
  • the wireless power supply module 10 includes a first soft magnetic component 131 and a second soft magnetic component 132, and combines the power transmitting component 11 and the power receiving component 11
  • the parts 12 are respectively sleeved on the first soft magnetic part 131 and the second soft magnetic part 132, and the magnetic field between the power transmitting part 11 and the power receiving part 12 can be constrained by the first soft magnetic part 131 and the second soft magnetic part 132, The restraining effect is better, and the electromagnetic induction of the wireless power supply module 10 and the electromagnetic wave of the wireless communication module 20 can interfere with each other to a greater extent.
  • the integrated wireless power supply and communication system 100 includes a first base 31, a second base 32, a wireless power supply module 10, and a wireless communication module 20.
  • the first base 31 and the second base 32 are opposed to each other.
  • the shapes of the first base 31 and the second base 32 may be the same or different.
  • the first base 31 has a cylindrical structure
  • the second base 32 is also a cylindrical structure.
  • the first base 31 has a cylindrical structure
  • the first base 31 has a rectangular parallelepiped structure, which is not limited here.
  • the shape of the first base 31 and the shape of the second base 32 are the same, and both are substantially cylindrical structures.
  • the first base 31 is provided with a first through hole 311
  • the second base 31 is provided with a second through hole 321.
  • the wireless power supply module 10 includes a first soft magnetic component 131, a second soft magnetic component 132, a power transmitting component 11, and a power receiving component 12.
  • the material of the first soft magnetic member 131 may be ferrite or electrolytic iron.
  • the first soft magnetic member 131 is disposed on the first base 31, specifically, the first soft magnetic member 131 is disposed on the surface of the first base 31 opposite to the second base 32.
  • the first soft magnetic member 131 includes a first end 1311 disposed on the first base 31 and a second end 1312 opposite to the first end 1311 of the first soft magnetic member 131.
  • the second end 1312 of the first soft magnetic member 131 is provided with a first notch 1313.
  • the first notch 1313 is used to receive the power transmitting member 11. Specifically, the first notch 1313 penetrates through the first side surface 1317 and the first side surface of the first soft magnetic member 131.
  • the first notch 1313 can completely accommodate the power transmitting member 11, or partially accommodate the power transmitting member 11.
  • the first end surface 1315 is recessed toward the first end 1311 of the first soft magnetic piece 131 to form a first groove 1316.
  • the first soft magnetic piece 131 is provided with a first end 1311 and a first groove 1316 penetrating the first soft magnetic piece 131.
  • the first groove 1316 is a circular groove
  • the first through hole 1314 is a circular through hole
  • the diameter D11 of the first groove 1316 is larger than the diameter D21 of the first through hole 1314.
  • the second end 1312 of the first soft magnetic member 131 is not limited to the first notch 1313, but can also be provided with an annular first recess.
  • the first recess only penetrates the first end surface 1315 and does not penetrate.
  • the first recess can more stably accommodate the power transmitting element 11 and can provide the power transmitting element 11 with dust-proof, waterproof, and anti-collision protection functions.
  • the power transmission member 11 can be better sleeved, and the power
  • the transmitting member 11 is sleeved on the second end 1312 of the first soft magnetic member 131, on the plane where the cross section of the first soft magnetic member 131 is located, the power transmitting member 11 will not protrude more than the first soft magnetic member 131. Many or even not protruding at all, so that the structure of the integrated wireless power supply and communication system 100 is more compact and the space utilization rate is higher.
  • the material of the second soft magnetic member 132 may be ferrite or electrolytic iron.
  • the second soft magnetic member 132 is disposed on the second base 32. Specifically, the second soft magnetic member 132 is disposed on the surface of the second base 32 opposite to the first base 31 so as to be in contact with the first soft magnetic member. 131 relative.
  • the second soft magnetic member 132 includes a first end 1321 disposed on the second base 32 and a second end 1322 opposite to the first end 1321 of the second soft magnetic member 132.
  • the second end 1322 of the second soft magnetic member 132 is provided with a second notch 1323 opposite to the first notch.
  • the second notch 1323 is used to receive the power receiving member 12.
  • the second notch 1323 penetrates the second soft magnetic member 132
  • the second end surface 1325 is recessed toward the first end 1321 of the second soft magnetic piece 132 to form a second groove 1326.
  • the second soft magnetic piece 132 is provided with a second end 1321 and a second groove 1326 that penetrate the second soft magnetic piece 132.
  • the second through hole 1324 on the bottom surface of the second through hole 1324, wherein the shape of the second groove 1326 may be the same as or different from the shape of the first groove 1326.
  • the second groove 1326 is a circular groove, a square groove, or Grooves of other shapes; the shape of the second through hole 1324 can be the same as or different from the shape of the first through hole 1314.
  • the second through hole 1324 can be a circular through hole, a square through hole, or a through hole of other shapes .
  • the second groove 1326 is a circular groove, the second through hole 1324 is a circular through hole, and the diameter D12 of the second groove 1326 is greater than the diameter D22 of the second through hole 1324.
  • the diameter D12 of the groove 1326 may be the same as or different from the diameter D11 of the first groove 1316.
  • the diameter D22 of the second through hole 1324 may be the same as or different from the diameter D21 of the first through hole 1314.
  • the second end 1322 of the second soft magnetic member 132 is not limited to the second notch 1323, but can also be provided with an annular second recess.
  • the second recess only penetrates the second end surface 1325 and does not penetrate.
  • the second recess can more stably accommodate the power receiving element 12, and can provide the power receiving element 12 with dust-proof, waterproof, anti-collision and other protection functions.
  • the power receiving member 12 can be better sleeved, and the power
  • the receiving member 12 is sleeved on the second end 1322 of the second soft magnetic member 132, on the plane where the cross section of the second soft magnetic member 132 is located, the power receiving member 12 will not protrude more than the second soft magnetic member 132. Many or even not protruding at all, so that the structure of the integrated wireless power supply and communication system 100 is more compact and the space utilization rate is higher.
  • the power transmitting member 11 is sleeved on the second end 1312 of the first soft magnetic member 131, so that the power transmitting member 11 is indirectly disposed on the first base 31. Specifically, the power transmitting member 11 is partially received in the first notch 1313 .
  • the power receiving member 12 is sleeved on the second end 1322 of the second soft magnetic member 132, so that the power receiving member 12 is indirectly disposed on the second base 32. Specifically, the power receiving member 12 is partially received in the second notch 1323 , So that the power transmitting member 11 received in the first gap 1313 and the power receiving member 12 received in the second gap 1323 are arranged opposite to each other.
  • the power transmitting element 11 includes a transmitting coil 111
  • the power receiving element 12 includes a receiving coil 121.
  • the transmitting coil 111 and the receiving coil 121 transmit electric energy through wireless power supply.
  • the transmitting coil 111 and the receiving coil 121 are respectively arranged on the first soft magnetic member 131 and the second soft magnetic member 132, and the transmitting coil 111 and the receiving coil 121 are arranged opposite to each other.
  • the power transmitting component 11 (that is, the sending coil 111) is connected to an external power source 113
  • the power receiving component 12 that is, the receiving coil 121 is connected to the functional device 123 for supplying power to the functional device 123.
  • the external power supply 113 provides electrical energy for the transmitting coil 111.
  • the transmitting coil 111 When the transmitting coil 111 is energized, an induced magnetic field is generated.
  • the receiving coil 121 receives the induced magnetic field from the transmitting coil 111, it converts the magnetic field into electrical energy and supplies it to the functional device 123.
  • 123 can be any device that needs electricity, for example, the functional device 123 can be a light source, driver, optical receiver, processor, etc. in the radar device 1000 (shown in Figure 8); for another example, the functional device 123 can be a drone 10000 (Shown in Figure 9) the flight control system, power unit, indicator light, and even camera load, etc.
  • the transmitting coil 111 may be connected to the external power source 113 through the first wire 112.
  • one end of the first wire 112 may pass through the first end 1311 of the first soft magnetic member 131 and extend to the first gap 1313
  • the other end of the first wire 112 passes through the first through hole 311 and extends to the outside of the first base 31 to be connected to the external power source 113.
  • one end of the first wire 112 can also be directly wound to the first side surface 1317 of the first soft magnetic member 131 to be electrically connected to the transmitting coil 111.
  • the receiving coil 121 can be connected to the functional device 123 through the second wire 122.
  • one end of the second wire 122 can pass through the first end 1321 of the second soft magnetic member 132 and extend to the second gap 1323 Inside, it is electrically connected to the receiving coil 121, and the other end of the second wire 122 extends through the second through hole 321 to the outside of the second base 32 to be electrically connected to the functional device 123.
  • the second wire 122 can also be directly wound to the second side surface 1327 of the second soft magnetic member 132 to be connected to the receiving coil 121.
  • the wireless communication module 20 includes a first communication component 21 and a second communication component 22.
  • the first communication component 21 penetrates the first soft magnetic component 131 and the first base 31, and the second communication component 22 penetrates the second soft magnetic component 132 and the second base 32.
  • the first communication component 21 includes a first cable 211, a first antenna unit 212 and a first connector 213.
  • the first antenna unit 212 and the first connector 213 are respectively located at both ends of the first cable 211.
  • the first antenna unit 212 is installed at the second end 1312 of the first soft magnetic member 131, the first cable 211 passes through the first soft magnetic member 131, and the first connector 213 is used to connect the signal transmitter (not shown) ) Or signal receiver (not shown).
  • the first antenna unit 212 includes an insulated first base 2121 and a first metal layer 2122 formed on the first base 2121.
  • the material of the first metal layer 2122 may be conductive materials such as copper and silver.
  • the first substrate 2121 may be an insulating material such as plastic.
  • the formation of the first metal layer 2122 on the first substrate 2121 and the electrical connection of the first metal layer 2122 with the first cable 211 may be achieved by using a PCB partial exposure copper process or a plastic plastic PVD process.
  • the first substrate 2121 can be a regular structure or an irregular structure.
  • the first substrate 2121 has a rectangular parallelepiped structure; in another example, the first substrate 2121 has a cylindrical structure; in another example, The first substrate 2121 has a cube structure.
  • the first metal layer 2122 can have a regular structure or an irregular structure.
  • the first metal layer 2122 has a rectangular parallelepiped structure; in another example, the first metal layer 2122 has a cylindrical structure; In one example, the first metal layer 2122 has a cube structure; in another example, the first metal layer 2122 has a truncated cone structure, a spherical structure, or the like.
  • the first substrate 2121 has a cylindrical structure, and the first metal layer 2122 is also a cylindrical structure.
  • the diameter D31 of the first substrate 2121 may be less than or equal to the diameter D11 of the first groove 1316, so that the first substrate 2121 can be disposed in the first groove 1316, and the diameter D41 of the first metal layer 2122 may be less than or equal to the diameter D11 of the first groove 1316.
  • the diameter D21 of the hole 1314 enables the first metal layer 2122 to be disposed in the first through hole 1314.
  • the diameter D31 of the first substrate 2121 is smaller than the diameter D11 of the first groove 1316, and the diameter D41 of the first metal layer 2122 is smaller than the diameter D21 of the first through hole 1314.
  • the diameter D11 of the first groove 1316 is greater than or equal to the largest dimension of the first base body 2121 in the radial direction of the first groove 1316;
  • the diameter D21 of the first through hole 1314 may be greater than or equal to the largest dimension of the first metal layer 2122 in the radial direction of the first through hole 1314.
  • the first cable 211 is electrically connected to the first metal layer 2122. Specifically, an end of the first cable 211 close to the second end 1312 of the first soft magnetic member 131 is provided with a first antenna unit 212, and the first cable 211 The other end passes through the first through hole 1314 of the first soft magnetic member 131, and extends through the first through hole 311 of the first base 31 to the outside of the first base 31 to be connected to the first connector 213 .
  • the first connector 213 can be connected to the signal transmitter, and the first connector 213 can also be connected to the signal receiver.
  • the first cable 211 may be a flexible cable, which can be bent. When the first cable 211 is a cylindrical cable, the smallest dimension of the first metal layer 2122 in the radial direction of the first through hole 1314 is larger than the outer diameter D51 of the first cable 211.
  • the second communication component 22 includes a second cable 221, a second antenna unit 222 and a second connector 223.
  • the second antenna unit 222 and the second connector 223 are respectively located at both ends of the second cable 221.
  • the second antenna unit 222 is installed at the second end 1322 of the second soft magnetic member 132, the second cable 221 passes through the second soft magnetic member 132, and the second connector 223 is used to connect the signal receiving member (not shown) ) Or signal transmitter (not shown).
  • the second antenna unit 222 includes an insulated second base 2221 and a second metal layer 2222 formed on the second base 2221.
  • the material of the second metal layer 2222 may be conductive materials such as copper and silver.
  • the second base 2221 may be an insulating material such as plastic.
  • the second metal layer 2222 is formed on the second substrate 2221, and the second metal layer 2222 is electrically connected to the second cable 221, which may be achieved by using a PCB partial exposure copper process or a plastic plastic PVD process.
  • the second base 2221 may be a regular structure or an irregular structure.
  • the second base 2221 is a rectangular parallelepiped structure; in another example, the second base 2221 is a cylindrical structure; in another example, The second base 2221 has a cube structure.
  • the second metal layer 2222 can have a regular structure or an irregular structure.
  • the second metal layer 2222 has a rectangular parallelepiped structure; in another example, the second metal layer 2222 has a cylindrical structure; In one example, the second metal layer 2222 has a cube structure; in another example, the second metal layer 2222 has a truncated cone structure, a spherical structure, and so on.
  • the second base 2221 has a cylindrical structure
  • the second metal layer 2222 is also a cylindrical structure.
  • the diameter D32 of the second base 2221 may be less than or equal to the diameter D12 of the second groove 1326, so that the second base 2221 can be disposed in the second groove 1326, and the diameter D42 of the second metal layer 2222 may be less than or equal to the second groove 1326.
  • the diameter D22 of the hole 1324 enables the second metal layer 2222 to be disposed in the second through hole 1324.
  • the diameter D32 of the second base 2221 is smaller than the diameter D12 of the second groove 1326
  • the diameter D42 of the second metal layer 2222 is smaller than the diameter D22 of the second through hole 1324.
  • the second base 2221 is a structure other than the cylindrical structure, it only needs to satisfy that the diameter D12 of the second groove 1326 is greater than or equal to the maximum size of the second base 2221 in the radial direction of the second groove 1326;
  • the metal layer 2222 is a structure other than the cylindrical structure, it only needs to satisfy that the diameter D22 of the second through hole 1324 is greater than or equal to the maximum size of the second metal layer 2222 in the radial direction of the second through hole 1324.
  • the second cable 221 is electrically connected to the second metal layer 2222.
  • the second cable 221 is provided with a second antenna unit 222 at one end close to the second end 1322 of the second soft magnetic member 132, and the second cable 221
  • the other end of the second base 32 passes through the second through hole 1324 of the second soft magnetic member 132, and extends through the second through hole 321 of the second base 32 to the outside of the second base 32 to be connected to the second connector 223 .
  • the second connector 223 can be connected to the signal transmitter, and the second connector 223 can also be connected to the signal receiver.
  • the second cable 221 may be a flexible cable, which can be bent.
  • the second cable 221 is a cylindrical cable
  • the smallest dimension of the second metal layer 2222 in the radial direction of the second through hole 1324 is larger than the outer diameter D52 of the second cable 221.
  • the first connector 213 is connected to the signal transmitting component, and the second connector 223 is connected to the signal receiving component.
  • the signal transmitter sends a control signal or video signal to the first connector 213
  • the first connector 213 transmits the signal to the first antenna unit 212 via the first cable 211, and the first antenna unit 212 and the second antenna unit 212
  • the antenna unit 222 is coupled (the first metal layer 2122 is coupled with the second metal layer 2222), so that the signal is sent to the second antenna unit 222 in the form of electromagnetic waves.
  • the second antenna unit 222 transmits the signal to the second connector 223 through the second cable 221, and the second connector 223 transmits the signal to the signal receiver to complete the wireless communication of the signal.
  • the integrated wireless power supply and communication system 100 in the present application is provided with a first soft magnetic part 131 and a second soft magnetic part 132, the first soft magnetic part 131 is used to separate the first communication component 21 and the power transmission part 11, and the use of The second soft magnetic part 132 separates the second communication component 22 and the power receiving part 12, so that the electromagnetic induction generated by the wireless power supply module 10 can be confined in the first soft magnetic part 131 and the second soft magnetic part 132, increasing The intensity of the magnetic field is reduced, the magnetic leakage is reduced, the electromagnetic induction between the power transmitting part 11 and the power receiving part 12 is increased, and the electromagnetic induction of the wireless power supply module 10 and the electromagnetic wave of the wireless communication module 20 are prevented from interfering with each other.
  • the coupling coefficient between the power transmitting component 11 and the power receiving component 12 in the wireless power supply module 10 is ensured, thereby ensuring the power supply efficiency of the wireless power supply; on the other hand, the first communication component 21 in the wireless power supply module 20 is ensured
  • the electromagnetic wave coupling with the second communication component 22 ensures the accuracy of wireless communication.
  • the first metal layer 2122 is disposed at the end of the first cable 211, and in the radial direction of the first through hole 1314, the smallest dimension of the first metal layer 2122 is larger than the outer diameter D51 of the first cable 211, and the first metal
  • the arrangement of the layer 2122 increases the transmitting or receiving area of the wireless communication module 20, increases the coupling coefficient of the antenna, and makes the signal transmission more stable and accurate;
  • the second metal layer 2222 is arranged at the end of the second cable 221, and at the end of the second cable 221 In the radial direction of the two through holes 1324, the smallest dimension of the second metal layer 2222 is greater than the outer diameter D52 of the second cable 221.
  • the arrangement of the second metal layer 2222 further increases the receiving or transmitting area of the wireless communication module 20, and increases The coupling coefficient of the antenna makes the signal transmission more stable and accurate.
  • the diameter D21 of the first through hole 1314 is greater than or equal to the largest dimension of the first metal layer 2122 in the radial direction of the first through hole 1314, the alternating magnetic field formed by the power transmitting member 11 and the power receiving member 12 is prevented. Passing through the first metal layer 2122, eddy current loss is formed, which avoids a large amount of heat generation and further ensures the coupling coefficient between the power transmitting component 11 and the power receiving component 12 in the wireless power supply module 10, thereby ensuring the power supply efficiency of the wireless power supply .
  • the diameter D22 of the second through hole 1324 is greater than or equal to the largest dimension of the second metal layer 2222 in the radial direction of the second through hole 1324, the alternating magnetic field formed by the power transmitting member 11 and the power receiving member 12 is prevented from passing through Through the second metal layer 2222, eddy current loss is formed, which can also avoid a large amount of heat and further ensure the coupling coefficient between the power transmitting component 11 and the power receiving component 12 in the wireless power supply module 10, thereby ensuring the power supply of the wireless power supply effectiveness.
  • the first substrate 2121 is disposed in the first groove 1316
  • the first metal layer 2122 is disposed in the first through hole 1314
  • the second substrate 2221 is disposed in the second groove 1326
  • the second metal layer 2222 is disposed in In the second through hole 1324
  • the first substrate 2121 can be protected by the first groove 1316 (dust-proof, waterproof, and anti-collision)
  • the second substrate 2221 can be protected by the second groove 1326 (dust-proof, waterproof). , Anti-collision)
  • the distance between the first metal layer 2122 and the second metal layer 2222 is relatively long, so that the antenna couples signals better.
  • first communication component 21 penetrates the first soft magnetic component 131 and the first base 31, and/or the second communication component 22 penetrates the second soft magnetic component 132 and the second base 32, it is greatly The space utilization rate of the integrated wireless power supply and communication system 100 is improved.
  • the integrated wireless power supply and communication system 100 may further include a first mounting seat 41 and a second mounting seat 42 arranged opposite to each other.
  • the first base 31 is disposed on the first mounting seat 41.
  • the second mounting base 42 is mounted on the first mounting base 41 and forms a receiving cavity 43 together with the first mounting base 41.
  • the second base 32 is disposed on the second mounting seat 42.
  • the first base 31, the second base 32, the first soft magnetic member 131, the second soft magnetic member 132, the power transmitting member 11 and the power receiving member 12 are all contained in the receiving cavity 43.
  • the first communication component 21 is partially received in the receiving cavity 43 and passes through the first mounting seat 41.
  • the second communication component 22 is partially received in the receiving cavity 43 and passes through the second mounting seat 42.
  • first base body 2121, the first metal layer 2122 and the first cable 211 in the first communication assembly 21 is housed in the receiving cavity 43, and the other end of the first cable 211 passes through the first installation
  • the seat 41 extends to the outside of the first mounting seat 41 and is connected to the first connector 213.
  • One end of the second base 2221, the second metal layer 2222, and the second cable 221 in the second communication assembly 22 is received in the accommodating cavity 43, and the other end of the second cable 221 extends through the second mounting seat 42 to the first The outside of the second mounting base 42 is connected with the second connector 223.
  • the first base 31 can be connected to the first mounting base 41 by welding, gluing, etc., so that the first base 31 is fixed on the first mounting base 41; the first base 31 can also be connected to the first mounting base 41.
  • the seat 41 is connected by means of engagement, screw connection, etc., so that the first base 31 is detachably mounted on the first mounting seat 41.
  • the second base 32 can be connected to the second mounting base 42 by welding, gluing, etc., so that the second base 32 is fixed on the second mounting base 42; the second base 32 can also be connected to the second mounting base 42
  • the seat 42 is connected by means of engagement, screw connection, etc., so that the second base 32 is detachably mounted on the second mounting seat 42.
  • the first mounting base 41 may be fixedly mounted on the second mounting base 42. That is, the first mounting seat 41 and the second mounting seat 42 are relatively fixed, and there is no rotation between the first mounting seat 41 and the second mounting seat 42.
  • the first mounting base 41 is rotatably mounted on the second mounting base 42.
  • the first mounting seat 41 rotates, and the second mounting seat 42 is fixed.
  • the first mounting base 41 is fixed and the second mounting base 42 rotates.
  • the first mounting base 41 and the second mounting base 42 rotate at the same time.
  • the first mount 41 rotates in one direction
  • the second mount 42 rotates in the opposite direction.
  • the first mounting seat 41 and the second mounting seat 42 both rotate in the same direction, but the rotation speed of the first mounting seat 41 and the rotation speed of the second mounting seat 42 are different.
  • the wireless power supply module 10 provides wireless power supply through the spaced power transmitting member 11 and the power receiving member 12, and is the first communication spaced apart
  • the component 21 and the second communication component 22 perform wireless communication. Compared with wired power supply and wired communication, it can avoid the entanglement of lines, making the application scenarios more abundant (can be applied to power supply and communication between relatively rotating devices) .
  • the present application also provides an integrated wireless power supply and communication system 300.
  • the structure of the integrated wireless power supply and communication system 300 is similar to the integrated wireless power supply and communication system shown in FIG. 2
  • the structure of the first soft magnetic member 331 is basically the same. The difference is that the first soft magnetic member 331 does not have a first groove, but only a first end 3311 penetrating the first soft magnetic member 331 and a first soft magnetic member 331.
  • the second soft magnetic member 332 does not have a second groove, but only a second through hole 3324 penetrating the first end 3321 of the second soft magnetic member 332 and the second end 3322 of the second soft magnetic member 332.
  • the first base 4121 is disposed on the first end surface 3315, and the first metal layer 4122 is received in the first through hole 3314.
  • the second base 4221 is disposed on the second end surface 3325, and the second metal layer 4222 is received in the second through hole 3324.
  • the integrated system for wireless power supply and communication 300 has basically the same beneficial effects as the integrated system for wireless power supply and communication 100, which will not be repeated here. Furthermore, the first soft magnetic member 331 does not have a first groove, and the second soft magnetic member 332 does not have a second groove. Instead, the first base 4121 is disposed on the first end surface 3315, and the second base 4221 is disposed. On the second end surface 3325, while avoiding the mutual interference between the electromagnetic induction of the wireless power supply module 30 and the electromagnetic wave of the wireless communication module 40, the manufacturing process of the first soft magnetic part 331 and the second soft magnetic part 332 is simplified.
  • FIG. 6 This application also provides an integrated wireless power supply and communication system 600.
  • the structure of the integrated wireless power supply and communication system 600 is similar to the integrated wireless power supply and communication system shown in FIG. 2
  • the structure of 100 is basically the same, the difference lies in: the number of soft magnetic parts 63 is one.
  • the power transmitting member 61 is sleeved on the soft magnetic member 63.
  • the integrated wireless power supply and communication system 600 further includes a mounting frame 633 on which the power receiving member 62 is mounted, and the mounting method may be the same as the connection manner of the power transmitting member 61 and the soft magnetic member 63.
  • the mounting frame 633 can be made of plastic material.
  • the integrated system for wireless power supply and communication 600 has basically the same beneficial effects as the integrated system for wireless power supply and communication 100, which will not be repeated here. Furthermore, the use of the mounting frame 633 instead of a soft magnetic part reduces the production cost of the integrated wireless power supply and communication system 600.
  • the structure of the integrated wireless power supply and communication system 800 is basically the same as the structure of the integrated wireless power supply and communication system 100 shown in FIG. The number is one.
  • the power receiving member 82 is sleeved on the soft magnetic member 83.
  • the integrated wireless power supply and communication system 800 further includes a mounting frame 833 on which the power transmitting component 81 is mounted, and the mounting method can be the same as the connection manner of the power receiving component 82 and the soft magnetic component 83.
  • the mounting frame 833 may be made of plastic material.
  • the integrated system 800 for wireless power supply and communication has basically the same beneficial effects as the integrated system 100 for wireless power supply and communication, which will not be repeated here. Furthermore, the use of the mounting frame 833 instead of a soft magnetic part reduces the production cost of the integrated wireless power supply and communication system 800.
  • the radar device 1000 of the embodiment of the present application includes a housing 200 and any one of the above-mentioned integrated wireless power supply and communication systems 100.
  • the integrated wireless power supply and communication system 100 is provided in the housing.
  • the radar device 1000 may include a radar module 300, the power receiving component 12 is electrically connected to the radar module 300, and the power sending component 11 is electrically connected to the external power source 113.
  • the power transmitting component 11 and the power receiving component 12 provide power to the radar device 1000.
  • the first communication component 21 can be connected to the signal transmitter through the first connector 213 on the first cable 211; the second communication component 22 can be connected to the radar module 300 (that is, the signal transmitter) through the second connector 223 on the second cable 221 Receipt).
  • the radar device 1000 of the embodiment of the present application is provided with a soft magnetic member 13, using the soft magnetic member 13 to separate the first communication component 21 from the power transmitting member 11, or/and using the soft magnetic member 13 to separate the second communication component 22 from the electrical energy
  • the receiving part 12 can confine the electromagnetic induction generated by the wireless power supply module 10 in the soft magnetic part 13, avoiding the mutual interference between the electromagnetic induction of the wireless power supply module 10 and the electromagnetic wave of the wireless communication module 20, and on the one hand, it ensures the wireless
  • the coupling coefficient between the power transmitting component 11 and the power receiving component 12 in the power supply module 10 ensures the power supply efficiency of the wireless power supply; on the other hand, it ensures that the first communication component 21 and the second communication component 22 in the wireless power supply module 20
  • the electromagnetic wave is coupled between, so as to ensure the accuracy of wireless communication.
  • the UAV 10000 in the embodiment of the present application is an agricultural drone, but is not limited to this, and may be an aerial drone or other types of drones.
  • the UAV 10000 includes a frame 2000, a payload 3000 and a radar device 1000.
  • the radar device 1000 is installed on the rack 2000, or the radar device 1000 is installed on the load 3000.
  • the frame 2000 includes a center body 2100, an arm 2200 installed on the side of the center body 2100, and a landing gear 2300 installed below the center body 2100.
  • the arm 2200 extends outward from the side of the central body 2100.
  • the frame 2000 includes a plurality of arms 2200 extending from the central body 2100 in different directions.
  • a power system 2400 is installed at the end of the arm 2200 to provide power for the UAV 10000 to fly.
  • the landing gear 2300 supports the UAV 2300 before the UAV 10000 takes off and after landing, and it has a buffer effect on the UAV 10000 when the UAV 10000 is landing, preventing the UAV 10000 from the frame 2000 or Other parts directly hit the ground and damaged.
  • the load 3000 is installed under the central body 2100, the load 3000 includes a pan/tilt, and the pan/tilt may include a camera device. In other embodiments, the load 3000 may include a water tank or the like.
  • the radar device 1000 is installed on at least one of the rack 2000 and the load 3000. In the illustrated embodiment, the radar device 1000 is installed on the landing gear 2300 of the frame 2000. Multiple radar devices 1000 can be installed at different positions of the rack 2000. In another embodiment, the radar device 1000 is installed on one side of the load 3000, and multiple radar devices 1000 may be installed at different positions of the load 3000. In one embodiment, a plurality of radar devices 1000 are installed on the rack 2000 and the load 3000.
  • the radar device 1000 transmits signals to the outside through the wireless communication module 20, and provides guidance for the flight of the UAV 10000 according to the signals. For example, the drone 10000 can be controlled to avoid obstacles according to the signal, and the flight path can be adjusted according to the terrain.
  • the radar device 1000 on the unmanned aerial vehicle 10000 in the embodiment of the present application is provided with a soft magnetic part 13, using the soft magnetic part 13 to separate the first communication component 21 and the power transmitting part 11, or/and using the soft magnetic part 13 to separate the first communication component 21 from the power transmitting part 11
  • the second communication component 22 and the power receiving part 12 can confine the electromagnetic induction generated by the wireless power supply module 10 in the soft magnetic part 13, avoiding the mutual interference between the electromagnetic induction of the wireless power supply module 10 and the electromagnetic wave of the wireless communication module 20 ,
  • the coupling coefficient between the power transmitting component 11 and the power receiving component 12 in the wireless power supply module 10 is ensured, thereby ensuring the power supply efficiency of the wireless power supply;
  • the first communication component 21 in the wireless power supply module 20 is ensured
  • the electromagnetic wave coupling with the second communication component 22 ensures the accuracy of wireless communication.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Système intégrant une alimentation électrique et une communication sans fil (100), dispositif radar (1000) et véhicule aérien sans pilote (2000). Le système intégrant une alimentation électrique et une communication sans fil (100) comprend un module d'alimentation électrique sans fil (10) et un module de communication sans fil (20), le module d'alimentation électrique sans fil (10) comprenant un émetteur d'énergie électrique (11), un récepteur d'énergie électrique (12) et un élément magnétique souple (13), et le module de communication sans fil (20) comprenant un premier ensemble de communication (21) et un second ensemble de communication (22).
PCT/CN2019/108593 2019-09-27 2019-09-27 Système intégrant une alimentation électrique et une communication sans fil, dispositif radar et véhicule aérien sans pilote WO2021056430A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980032096.0A CN112119567A (zh) 2019-09-27 2019-09-27 无线供电与通信的集成系统、雷达装置和无人机
PCT/CN2019/108593 WO2021056430A1 (fr) 2019-09-27 2019-09-27 Système intégrant une alimentation électrique et une communication sans fil, dispositif radar et véhicule aérien sans pilote

Applications Claiming Priority (1)

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PCT/CN2019/108593 WO2021056430A1 (fr) 2019-09-27 2019-09-27 Système intégrant une alimentation électrique et une communication sans fil, dispositif radar et véhicule aérien sans pilote

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CN115436882A (zh) * 2021-06-01 2022-12-06 广州极飞科技股份有限公司 旋转雷达和无人机

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CN108508431A (zh) * 2018-06-08 2018-09-07 上海禾赛光电科技有限公司 一种激光发射系统
CN108761471A (zh) * 2018-06-08 2018-11-06 上海禾赛光电科技有限公司 一种激光雷达
CN108885248A (zh) * 2017-12-18 2018-11-23 深圳市大疆创新科技有限公司 雷达装置、雷达的无线旋转装置及无人机
WO2019046503A1 (fr) * 2017-08-30 2019-03-07 Applied Signals Intelligence, Inc. Aéronef captif furtif à fréquence radio
CN109435712A (zh) * 2018-10-24 2019-03-08 哈尔滨工业大学（威海） 无人机无线充电的磁耦合结构及系统

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CN210490561U (zh) * 2019-09-27 2020-05-08 深圳市大疆创新科技有限公司 无线供电与通信的集成系统、雷达装置和无人机

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WO2019046503A1 (fr) * 2017-08-30 2019-03-07 Applied Signals Intelligence, Inc. Aéronef captif furtif à fréquence radio
CN108885248A (zh) * 2017-12-18 2018-11-23 深圳市大疆创新科技有限公司 雷达装置、雷达的无线旋转装置及无人机
CN108508431A (zh) * 2018-06-08 2018-09-07 上海禾赛光电科技有限公司 一种激光发射系统
CN108761471A (zh) * 2018-06-08 2018-11-06 上海禾赛光电科技有限公司 一种激光雷达
CN109435712A (zh) * 2018-10-24 2019-03-08 哈尔滨工业大学（威海） 无人机无线充电的磁耦合结构及系统

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