CN111775738A - Coupling mechanism for improving anti-deviation capability of unmanned aerial vehicle wireless charging system - Google Patents
Coupling mechanism for improving anti-deviation capability of unmanned aerial vehicle wireless charging system Download PDFInfo
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- CN111775738A CN111775738A CN202010735010.5A CN202010735010A CN111775738A CN 111775738 A CN111775738 A CN 111775738A CN 202010735010 A CN202010735010 A CN 202010735010A CN 111775738 A CN111775738 A CN 111775738A
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- coil
- receiving
- coupling mechanism
- transmitting
- wireless charging
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2871—Pancake coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/10—Air crafts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention belongs to the technical field of wireless power transmission, and particularly relates to a coupling mechanism for improving the anti-offset capability of a wireless charging system of an unmanned aerial vehicle, wherein the coupling mechanism comprises a transmitting mechanism and a receiving mechanism, a receiving coil of the receiving mechanism is positioned above a transmitting coil of the transmitting mechanism, and the receiving coil and the transmitting coil are mutually coupled; the transmitting coil is a clip-shaped planar coil formed by winding a conducting wire in a plane, and an uncoiled area is reserved in the middle of the clip-shaped planar coil; the receiving coil is a spiral tubular coil formed by winding a conducting wire. The transmitting coil adopts a square planar coil, the receiving coil adopts a spiral tubular coil, and the primary side magnetic field generated by the primary side structure and the secondary side structure is more uniform, the mutual inductance fluctuation of the primary side coil and the secondary side coil is smaller when the receiving coil deviates, the output power of the wireless charging system is more stable, and the deviation resistance of the wireless charging system is improved.
Description
Technical Field
The invention belongs to the technical field of wireless power transmission, and particularly relates to a coupling mechanism for improving the anti-offset capacity of a wireless charging system of an unmanned aerial vehicle.
Background
The use of patrolling and examining unmanned aerial vehicle can impel and patrol and examine mode transition and industry and upgrade, realizes intelligent patrolling and examining, is the necessary route of building and developing smart power grids. Unmanned aerial vehicle patrols and examines and has saved a series of high-order complicated actions such as artifical climbing to can not receive complicated ground environment influence, possess safety, high-efficient advantage, can know the behavior of transformer substation under anytime, any environment, realize reducing by a wide margin and patrol and examine the cost, guarantee to patrol and examine the quality. However, the contact charging mode adopted by the unmanned aerial vehicle has the problems of easy abrasion of a plug, poor environmental adaptability, strong human intervention factor and the like.
The wireless power transmission technology based on magnetic field inductive coupling provides an idea for solving the problem of unmanned aerial vehicle charging. On one hand, wireless charging is adopted, and the direct contact between the electric energy transmitting side and the electric energy receiving side is avoided, so that the charging reliability is greatly improved; on the other hand, wireless charging combines the intelligent management platform, changes the intelligent charging that realizes unmanned aerial vehicle. However, the transmission performance of the wireless charging system is closely related to the mutual inductance between the electric energy transmitting side and the electric energy receiving side, and the unmanned aerial vehicle is easy to deviate due to the deviation of the positioning precision when landing, so that the mutual inductance between the electric energy transmitting side and the electric energy receiving side is changed, and the output power of the system fluctuates, and the charging characteristic is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a coupling mechanism for improving the anti-offset capability of a wireless charging system of an unmanned aerial vehicle, wherein a transmitting coil adopts a square-wave planar coil, and a receiving coil adopts a spiral tubular coil.
The invention provides a coupling mechanism for improving the anti-offset capability of a wireless charging system of an unmanned aerial vehicle, which comprises a transmitting mechanism and a receiving mechanism, wherein a receiving coil of the receiving mechanism is positioned above a transmitting coil of the transmitting mechanism, and the receiving coil and the transmitting coil are coupled with each other;
the transmitting coil is a clip-shaped planar coil formed by winding a conducting wire in a plane, and an uncoiled area is reserved in the middle of the clip-shaped planar coil;
the receiving coil is a spiral tubular coil formed by winding a conducting wire.
Preferably, the receiving mechanism further comprises a magnetic core, the receiving coil is a spiral tubular coil formed by winding a conducting wire along the magnetic core, and the magnetic core is a hollow magnetic core.
Preferably, the magnetic core is a hollow cylindrical structure spliced by a plurality of magnetic sheets.
Preferably, the receiving mechanism further comprises a coil framework, and the plurality of magnetic sheets are attached to the outer wall of the coil framework so as to splice the magnetic core with the hollow columnar structure.
Preferably, the coil framework is a hollow cylindrical structure or a hollow elliptic cylindrical structure, and the magnetic sheet is of an arc structure matched with the outer wall of the coil framework.
Preferably, the coil skeleton is a regular polygon columnar structure, the number of the magnetic sheets is the same as the number of the edges of the regular polygon, the magnetic sheets are blocky, and the size of one magnetic sheet is matched with the size of one outer side face of the coil skeleton.
Preferably, the two ends of the coil framework are respectively provided with a limiting separation blade, and the size of the limiting separation blade is larger than that of the cross section of the coil framework.
Preferably, the launching mechanism is arranged on an unmanned aerial vehicle landing platform, and the receiving mechanism is arranged on the unmanned aerial vehicle.
According to the technical scheme, the transmitting coil adopts a square planar coil, the receiving coil adopts a spiral tubular coil, and the primary side magnetic field generated by the primary side structure and the secondary side structure is uniform, the mutual inductance fluctuation of the primary side coil and the secondary side coil is small when the receiving coil deviates, the output power of the wireless charging system is stable, and the deviation resistance of the wireless charging system is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a transmission schematic diagram of a wireless charging system in the present embodiment;
fig. 2 is a schematic structural diagram of a coupling mechanism for improving the anti-offset capability of the wireless charging system of the unmanned aerial vehicle in this embodiment;
FIG. 3 is a schematic structural diagram of a bobbin and a core in the present embodiment;
FIG. 4 is an exploded view of the receiving mechanism of the present embodiment;
FIG. 5 is a simulation diagram of the anti-offset characteristic of the coupling mechanism in this embodiment;
fig. 6 is a table of simulation data of the anti-offset characteristic of the coupling mechanism in this embodiment.
Reference numerals:
1-transmitting coil, 2-receiving coil, 3-coil framework, 4-magnetic core and 5-limiting baffle
51-magnetic sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
The wireless charging system of this embodiment is applied to the field of unmanned aerial vehicles or other fields, and as shown in fig. 1, is a transmission schematic diagram of the wireless charging system of this embodiment, and the wireless charging system realizes wireless transmission of electric energy through magnetic field inductive coupling between a primary side transmitting coil and a secondary side receiving coil. Unmanned aerial vehicle is patrolling and examining the in-process, in order to improve duration, can berth and carry out wireless charging on unmanned aerial vehicle descending platform, transmitting mechanism sets up on unmanned aerial vehicle descending platform, receiving mechanism sets up on unmanned aerial vehicle, transmitting mechanism's transmitting coil 1 transmits the electric energy for receiving mechanism's receiving coil 2 on unmanned aerial vehicle through wireless transmission on the unmanned aerial vehicle descending platform, and then for the unmanned aerial vehicle power supply. When unmanned aerial vehicle stops on unmanned aerial vehicle landing platform, because positioning deviation, the relative position of transmitting coil 1 and receiving coil 2 can inevitably take place the deviation.
The embodiment provides a coupling mechanism for improving the anti-offset capability of a wireless charging system of an unmanned aerial vehicle, as shown in fig. 2, the coupling mechanism comprises a transmitting mechanism and a receiving mechanism, a receiving coil 2 of the receiving mechanism is located above a transmitting coil 1 of the transmitting mechanism, and the receiving coil 2 and the transmitting coil 1 are coupled with each other;
the transmitting coil 1 is a clip-shaped planar coil formed by winding a conducting wire in a plane, and an uncoiled area is reserved in the middle of the clip-shaped planar coil;
the receiving coil 2 is a spiral tubular coil formed by winding a lead spirally upwards or/and spirally downwards.
The transmitting coil 1 in this embodiment is a planar coil in a shape of a square-wave, which can generate a relatively uniform magnetic field. According to the size of the transmitting coil 1, when the ratio of the inner diameter to the outer diameter of the square-wave planar coil is 30-90%, a better uniform magnetic field can be obtained. The inner diameter of the loop-shaped planar coil is indicated as the distance L1 between the center and the inner edge of the loop-shaped planar coil, the outer diameter of the loop-shaped planar coil is indicated as the distance L2 between the center and the outer edge of the loop-shaped planar coil, and L1/L2 is the ratio of the inner diameter to the outer diameter. According to research and experiments of the inventor, compared with the square planar coil, the middle part of the square planar coil of the transmitting coil 1 of the embodiment is provided with an uncoiled area, the ratio of the inner diameter to the outer diameter of the square planar coil is 30% -90%, and a more uniform magnetic field can be obtained compared with the square planar coil. For example, when the outer diameter of the planar loop coil is 180mm and the inner diameter is 157.5mm, that is, the ratio of the inner diameter to the outer diameter of the planar loop coil is 87.5%, a good uniform magnetic field can be obtained, and when a high-frequency alternating current is applied to the coil of the loop structure, the magnetic field generated right above the coil is distributed uniformly, and the coil has a good anti-offset characteristic.
The receiving mechanism of this embodiment still includes magnetic core 4, receiving coil 2 is the helical tube form coil that adopts the wire to form along the coiling of magnetic core 4, magnetic core 4 is hollow magnetic core 4.
In this embodiment, in order to increase the mutual inductance of the primary and secondary coils, the magnetic core 4 is provided on the secondary side, and in order to reduce the weight of the drone, the hollow magnetic core 4 is used, and the receiving coil 2 is a helical tubular coil wound around the hollow magnetic core 4. The secondary side structure has the advantages that the size is small, the weight is light, the hollow magnetic core 4 has strong constraint on magnetic lines, the self inductance of the receiving coil 2 is large, the capacity of receiving the magnetic field of the primary side transmitting coil 1 is strong, and therefore when the receiving coil 2 of the secondary side moves above the primary side transmitting coil 1, the coupling mutual inductance of the primary side coil and the secondary side coil is high, the mutual inductance fluctuation is small, the output power of a wireless charging system is stable, and the wireless charging system has a better anti-offset characteristic.
The receiving mechanism of this embodiment still includes coil skeleton 3, magnetic core 4 is formed by the concatenation of a plurality of magnetic sheets 51, and a plurality of magnetic sheets 51 are laminated on coil skeleton 3's the outer wall to splice into hollow column structure's magnetic core 4. In the present embodiment, the hollow magnetic core 4 is formed by attaching the magnetic sheet 51 to the bobbin 3, which is not only simple in structure, but also easy for mass production and low in production cost. The coil framework 3 is also of a hollow structure and is made of plastic materials, so that the weight of the secondary side is further reduced.
The bobbin 3 of the present embodiment may adopt various structures; the coil framework 3 can adopt a hollow cylindrical structure or a hollow elliptic cylindrical structure, the magnetic sheet 51 is an arc-shaped structure matched with the outer wall of the coil framework 3, and the magnetic core 4 formed in the way is also of a hollow cylindrical structure or a hollow elliptic cylindrical structure. Coil skeleton 3 also can adopt regular polygon column structure, the quantity of magnetic sheet 51 is the same with regular polygon's limit number, magnetic sheet 51 is cubic, a magnetic sheet 51 size with coil skeleton 3's a lateral surface's size looks adaptation, as coil skeleton 3 that fig. 2-4 show just is regular quadrilateral column structure, through four magnetic sheets 51 laminating on coil skeleton 3's four lateral surfaces, form regular quadrilateral column structure's magnetic core 4.
In this embodiment, two ends of the coil framework 3 are respectively provided with a limiting blocking piece 5, and the size of the limiting blocking piece 5 is larger than that of the cross section of the coil framework 3. In this embodiment, when the wire is wound around the magnetic core 4, the two limiting blocking pieces 5 play a role in limiting and fixing the coil, so as to prevent the wire from being wound around the coil frame 3.
As shown in fig. 5, a simulation diagram of the offset characteristic when simulation is applied using the coupling mechanism of the present embodiment is shown. The two abscissa axes in the figure represent the X-axis direction offset dx (mm) and the Y-axis direction offset dy (mm), respectively, and the ordinate axis represents the mutual inductance m (uh) of the primary and secondary coils.
As shown in fig. 6, a simulation data table (corresponding to the graph in fig. 5) of the anti-offset characteristic when simulation is applied using the coupling mechanism of the present embodiment is shown. Dx (mm) represents an offset amount in the X axis direction, dy (mm) represents an offset amount in the Y axis direction, freq (khz) represents a frequency, lp (uh) represents a self inductance of the receiving coil 2, and m (uh) represents a mutual inductance of the primary and secondary coils.
As can be seen from the graph in fig. 5 and the table in fig. 6, with respect to the origin of coordinates without offset, when the offset distance of the receiving coil 2 in the X-axis direction is within a range of plus or minus 40mm and the offset distance in the Y-axis direction is within a range of plus or minus 40mm, the mutual inductance fluctuation value of the primary and secondary side coils is within a range of 6.88 to 7.32, the mutual inductance fluctuation is small, the power output by the system is stable, and a good anti-offset characteristic can be obtained.
In summary, the coupling mechanism of the present embodiment has the following beneficial effects:
1. the problem of power fluctuation of the unmanned aerial vehicle wireless charging system is solved; a battery carried by the unmanned aerial vehicle generally needs to be subjected to constant-current and constant-voltage charging stages, and the charging power needs to be kept stable in the charging process; the coupling mechanism that this embodiment provided has better anti skew nature to realize that unmanned aerial vehicle takes place the circumstances such as skew and also can guarantee that output is comparatively steady in charging process, undulant less, thereby improved the fluctuation of the operating power that the wireless charging system during operation skew of unmanned aerial vehicle leads to.
2. The problem of light weight of an unmanned aerial vehicle wireless charging system is solved; this embodiment is from the angle of coupling mechanism design, through proposing a coupling mechanism design based on hollow magnetic core 4 to realize mutual inductance as far as possible under the circumstances coupling mechanism's lightweight, thereby alleviate unmanned aerial vehicle's weight, improve unmanned aerial vehicle's duration.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A coupling mechanism for improving the anti-offset capability of a wireless charging system of an unmanned aerial vehicle is characterized by comprising a transmitting mechanism and a receiving mechanism, wherein a receiving coil of the receiving mechanism is positioned above a transmitting coil of the transmitting mechanism, and the receiving coil and the transmitting coil are coupled with each other;
the transmitting coil is a clip-shaped planar coil formed by winding a conducting wire in a plane, and an uncoiled area is reserved in the middle of the clip-shaped planar coil;
the receiving coil is a spiral tubular coil formed by winding a conducting wire.
2. The coupling mechanism of claim 1, wherein the receiving mechanism further comprises a magnetic core, the receiving coil is a spiral tubular coil formed by winding a conducting wire along the magnetic core, and the magnetic core is a hollow magnetic core.
3. The coupling mechanism of claim 2, wherein the magnetic core is a hollow cylindrical structure formed by splicing a plurality of magnetic sheets.
4. The coupling mechanism of claim 3, wherein the receiving mechanism further comprises a coil frame, and the plurality of magnetic sheets are attached to the outer wall of the coil frame so as to be spliced into a magnetic core of a hollow cylindrical structure.
5. The coupling mechanism of claim 4, wherein the bobbin is a hollow cylinder structure or a hollow elliptic cylinder structure.
6. The coupling mechanism of claim 5, wherein the magnetic sheet is an arc-shaped structure matched with the outer wall of the coil frame.
7. The coupling mechanism of claim 4, wherein the bobbin is a regular polygonal column structure.
8. The coupling mechanism of claim 7, wherein the number of the magnetic sheets is the same as the number of the regular polygon sides, the magnetic sheets are in a block shape, and the size of one magnetic sheet is matched with the size of one outer side surface of the coil frame.
9. The coupling mechanism of claim 4, wherein two ends of the bobbin are respectively provided with a limiting blocking piece, and the size of the limiting blocking piece is larger than that of the cross section of the bobbin.
10. The coupling mechanism of claim 1, wherein the transmitter is disposed on a landing platform of the drone, and the receiver is disposed on the drone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735010.5A CN111775738A (en) | 2020-07-28 | 2020-07-28 | Coupling mechanism for improving anti-deviation capability of unmanned aerial vehicle wireless charging system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010735010.5A CN111775738A (en) | 2020-07-28 | 2020-07-28 | Coupling mechanism for improving anti-deviation capability of unmanned aerial vehicle wireless charging system |
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| CN111775738A true CN111775738A (en) | 2020-10-16 |
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| CN202010735010.5A Pending CN111775738A (en) | 2020-07-28 | 2020-07-28 | Coupling mechanism for improving anti-deviation capability of unmanned aerial vehicle wireless charging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113852210A (en) * | 2021-09-29 | 2021-12-28 | 福州大学 | Three-dimensional coil structure capable of widening charging area of wireless charging system |
| CN115664059A (en) * | 2022-11-14 | 2023-01-31 | 鹏讯科技(大连)有限公司 | Anti-deviation wireless charging coupling mechanism and design and manufacturing method thereof |
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| CN115664059B (en) * | 2022-11-14 | 2023-06-16 | 鹏讯科技(大连)有限公司 | Anti-offset wireless charging coupling mechanism and design and manufacturing method thereof |
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