CN114204700A - Receiving end device, coupling mechanism and robot based on LCL compensation topology - Google Patents
Receiving end device, coupling mechanism and robot based on LCL compensation topology Download PDFInfo
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- CN114204700A CN114204700A CN202111477134.9A CN202111477134A CN114204700A CN 114204700 A CN114204700 A CN 114204700A CN 202111477134 A CN202111477134 A CN 202111477134A CN 114204700 A CN114204700 A CN 114204700A
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- 230000008878 coupling Effects 0.000 title claims abstract description 26
- 238000010168 coupling process Methods 0.000 title claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 13
- 239000012792 core layer Substances 0.000 claims description 12
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
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- 230000005540 biological transmission Effects 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007600 charging Methods 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 238000010280 constant potential charging Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
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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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
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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
- H02J50/05—Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive coupling
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
Abstract
The application provides a receiving terminal device, coupling mechanism and robot based on LCL compensation topology, includes: the receiving coil, the receiving compensation coil and the receiving compensation capacitor are arranged in the receiving coil; the receiving coil and the receiving compensation coil are integrated and designed on the same plane, so that the receiving coil and the receiving compensation coil are more compact in structure, the space position is saved, and the overall volume of a receiving end device is reduced; meanwhile, the receiving coil and the receiving compensation coil are mutually coupled, the receiving compensation coil and the transmitting coil are mutually decoupled, after the receiving coil and the transmitting coil are mutually coupled, the transmitting coil wirelessly transmits electric energy to the receiving coil, and wireless electric energy transmission of an original secondary side is not influenced after the receiving coil and the receiving compensation coil are integrally designed.
Description
Technical Field
The invention belongs to the technical field of wireless power transmission, and particularly relates to a receiving end device based on LCL compensation topology, a coupling mechanism and a robot.
Background
The wireless power transmission technology is a novel energy transmission technology for realizing the distance transmission of electric power from an air medium based on the electromagnetic induction principle. The technology has the advantages of high reliability, good flexibility, low maintenance cost, strong environmental affinity and the like, is widely concerned by many scientific research institutes and companies at home and abroad, and becomes the most active research hotspot in the field of electrical engineering in recent years. For the coil and the compensation network of the magnetic coupling mechanism of the wireless charging system, foreign research institutes have conducted research to a certain extent, and the magnetic coupling resonant wireless charging system with double LCL variable parameter compensation is provided and used for constant current and constant voltage charging. At present, a receiving coil and a receiving compensation coil in an LCL topology are independently arranged at a receiving end of an electromagnetic coupling mechanism, occupy most space respectively, and do not consider the integrated design of the receiving coil and the receiving compensation coil.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a receiving end device based on LCL compensation topology, a coupling mechanism and a robot, and aims to solve the problems that in the prior art, a receiving coil and a receiving compensation coil in the LCL topology are independently arranged at the receiving end of an electromagnetic coupling mechanism, occupy most of space respectively, and do not consider the integrated design of the receiving coil and the receiving compensation coil.
In order to solve the above problems, the present invention is implemented as follows:
the invention provides a receiving end device based on LCL compensation topology, comprising:
the receiving coil, the receiving compensation coil and the receiving compensation capacitor are arranged in the receiving coil;
the receiving coil and the receiving compensation coil are integrated on the same plane;
the receiving coil is coupled with the receiving compensation coil, the receiving compensation coil is decoupled with the transmitting coil, and after the receiving coil is coupled with the transmitting coil, the transmitting coil wirelessly transmits electric energy to the receiving coil.
Furthermore, the receiving coil comprises a double-D-shaped coil wound by the same wire and a rectangular planar coil positioned on the periphery of the double-D-shaped coil, and the receiving compensation coil is a rectangular planar coil.
Further, the receiving compensation coil is located at the outer periphery of the receiving coil.
Further, a magnetic core layer is arranged on one side, away from the transmitting coil, of the receiving coil.
Further, a magnetic shielding layer is arranged on one side, away from the receiving coil, of the magnetic core layer.
Further, the magnetic shield layer is an aluminum plate.
The invention also provides a coupling mechanism based on the LCL compensation topology, which comprises a transmitting end device and any one of the receiving end devices based on the LCL compensation topology;
the transmitting terminal device comprises a transmitting coil and is connected with an external power supply;
the receiving end device comprises a receiving coil, a receiving compensation coil and a receiving compensation capacitor;
the receiving coil and the receiving compensation coil are integrated on the same plane;
the receiving coil is coupled with the receiving compensation coil, the receiving compensation coil is decoupled with the transmitting coil, and after the receiving coil is coupled with the transmitting coil, the transmitting coil wirelessly transmits electric energy to the receiving coil.
Further, the transmitting coil is a double-D type coil; the receiving coil comprises a double-D type coil and a rectangular plane coil, the double-D type coil is formed by winding the same wire, the rectangular plane coil is located on the periphery of the double-D type coil, and the receiving compensation coil is a rectangular plane coil.
The invention also provides a robot which comprises any one of the receiving end device based on the LCL compensation topology.
Advantageous effects
The application provides a receiving terminal device, coupling mechanism and robot based on LCL compensation topology, includes: the receiving coil, the receiving compensation coil and the receiving compensation capacitor are arranged in the receiving coil; the receiving coil and the receiving compensation coil are integrated and designed on the same plane, so that the receiving coil and the receiving compensation coil are more compact in structure, the space position is saved, and the overall volume of a receiving end device is reduced; meanwhile, the receiving coil and the receiving compensation coil are mutually coupled, the receiving compensation coil and the transmitting coil are mutually decoupled, after the receiving coil and the transmitting coil are mutually coupled, the transmitting coil wirelessly transmits electric energy to the receiving coil, and wireless electric energy transmission of an original secondary side is not influenced after the receiving coil and the receiving compensation coil are integrally designed.
The receiving end device based on the LCL compensation topology is applied to the robot, and the occupation amount of the receiving coil and the receiving compensation coil to the space volume can be reduced, so that the volume of the receiving end of the magnetic coupling mechanism in the robot is reduced, the space of the robot is enlarged, and the comfort of the robot 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 winding diagram of a receiving coil according to the present embodiment;
fig. 2 is a winding diagram of a transmitting coil according to the present embodiment;
fig. 3 is a schematic winding diagram illustrating the integration of a receiving coil and a receiving compensation coil provided in this embodiment;
fig. 4 is a schematic diagram of a secondary LCL topology according to this embodiment;
fig. 5 is a schematic diagram of an equivalent transformation based on the secondary LCL topology shown in fig. 4 according to this embodiment;
description of the drawings:
a receiving coil 10 and a receiving compensation coil 20.
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.
Example one
In order to solve prior art, receiving coil and receiving compensation coil among the LCL topology set up the receiving terminal at electromagnetic coupling mechanism alone, occupy most space respectively, do not consider the problem that both integrated designs, and this application provides a receiving terminal device based on LCL compensation topology, includes:
a receiving coil 10, a receiving compensation coil 20 and a receiving compensation capacitor; in this embodiment, the receiving coil 10 and the receiving compensation coil 20 are integrated and designed on the same plane, so that the technical defect that the receiving coil 10 and the receiving compensation coil 20 need to be separately arranged to occupy a large volume space in the prior art is overcome, and the structures of the receiving coil and the receiving compensation coil are more compact, thereby saving the space position and reducing the overall volume of the receiving end device; meanwhile, the receiving coil 10 and the receiving compensation coil 20 are mutually coupled, the receiving compensation coil 20 and the transmitting coil are mutually decoupled, after the receiving coil 10 and the transmitting coil are mutually coupled, the transmitting coil wirelessly transmits electric energy to the receiving coil 10, and wireless electric energy transmission of an original secondary side is not influenced after the receiving coil 10 and the receiving compensation coil 20 are integrally designed.
Optionally, referring to fig. 1, fig. 1 is a winding schematic diagram of a receiving coil 10, where the receiving coil 10 includes a double-D coil formed by winding the same wire and a rectangular planar coil located at the periphery of the double-D coil, and the receiving compensation coil 20 is a rectangular planar coil, such a coil structure design realizes mutual coupling between the receiving coil 10 and the receiving compensation coil 20, and since there is coupling between the receiving coil 10 and the receiving compensation coil 20, the self-inductance of the receiving end coil is enhanced, and the amount of wire used by the receiving end coil is reduced. Optionally, referring to fig. 2, fig. 2 is a winding diagram of a transmitting coil, the transmitting coil is a double-D coil, such a coil structure design realizes mutual decoupling of the receiving compensation coil 20 and the transmitting coil, and the receiving coil 10 and the transmitting coil are mutually coupled. The transmitting coil and the receiving compensation coil 20 of the embodiment are decoupled from each other, and due to the mutual coupling effect between the receiving coil 10 and the receiving compensation coil 20, the volume of the receiving end coil can be reduced under the condition that the primary and secondary side electric energy transmission is not influenced, and the wire consumption of the receiving end coil is reduced.
Alternatively, referring to fig. 3, fig. 3 is a schematic winding diagram of the receiving coil 10 integrated with the receiving compensation coil 20, and the receiving compensation coil 20 is located at the outer periphery of the receiving coil 10.
Optionally, a magnetic core layer is disposed on a side of the receiving coil 10 away from the transmitting coil, the magnetic core layer may increase the degree of magnetic coupling, and the magnetic core layer may be implemented by using a ferrite material.
Optionally, a magnetic shielding layer is disposed on a side of the magnetic core layer away from the receiving coil 10, and the magnetic shielding layer is used for magnetic shielding.
Optionally, in this embodiment, the whole coupling mechanism is designed by integrating the receiving end coil based on the LCL-LCL topology, the secondary LCL topology is as shown in fig. 4, and fig. 4 shows L1 (i.e. the receiving coil 10), L2 (i.e. the receiving compensation coil 20), and the receiving compensation capacitor (i.e. C)1) Equivalent load resistance (i.e., R)eq) In the design of this embodiment, L1 and L2 are coupled with each other, the primary side transmitting coil and L1 are coupled with each other to perform wireless power transmission, and the primary side transmitting coil and L2 are decoupled from each other, so that no influence is exerted on wireless power transmission of the primary side and the secondary side. The coupling of L1 and L2 converts the topology equivalence as shown in FIG. 5, where Z is1＝jωM，Z2M is the mutual inductance between L1 and L2. From the above, the following formula can be obtained:
calculating to obtain:
from the above, when L1 is coupled with L2, the system stability can be maintained by adjusting Z3, and meanwhile, since L1 is coupled with L2, the inductance of the secondary side is equivalent to the sum of the original inductance of the secondary side and the mutual inductance of the compensation inductance of the secondary side, that is, L1 is equivalent to L1+ M, and L2 is equivalent to L2+ M. When the original secondary side mutual inductance is not changed, the wire consumption of the secondary side coil can be properly reduced, and the weight of the secondary side can be reduced in terms of the wire consumption.
Example two
The present embodiment provides a coupling mechanism based on an LCL compensation topology, including a transmitting end device, a receiving end device based on the LCL compensation topology in any one of the embodiments;
the transmitting terminal device comprises a transmitting coil and is connected with an external power supply;
the receiving end device comprises a receiving coil 10, a receiving compensation coil 20 and a receiving compensation capacitor;
in this embodiment, the receiving coil 10 and the receiving compensation coil 20 are integrated and designed on the same plane, so that the technical defect that the receiving coil 10 and the receiving compensation coil 20 need to be separately arranged to occupy a large volume space in the prior art is overcome, and the structures of the receiving coil and the receiving compensation coil are more compact, thereby saving the space position and reducing the overall volume of the receiving end device; meanwhile, the receiving coil 10 and the receiving compensation coil 20 are mutually coupled, the receiving compensation coil 20 and the transmitting coil are mutually decoupled, after the receiving coil 10 and the transmitting coil are mutually coupled, the transmitting coil wirelessly transmits electric energy to the receiving coil 10, and wireless electric energy transmission of an original secondary side is not influenced after the receiving coil 10 and the receiving compensation coil 20 are integrally designed.
Optionally, referring to fig. 1, fig. 1 is a winding schematic diagram of a receiving coil 10, where the receiving coil 10 includes a double-D coil formed by winding the same wire and a rectangular planar coil located at the periphery of the double-D coil, and the receiving compensation coil 20 is a rectangular planar coil, such a coil structure design realizes mutual coupling between the receiving coil 10 and the receiving compensation coil 20, and since there is coupling between the receiving coil 10 and the receiving compensation coil 20, the self-inductance of the receiving end coil is enhanced, and the amount of wire used by the receiving end coil is reduced. Optionally, referring to fig. 2, fig. 2 is a winding diagram of a transmitting coil, the transmitting coil is a double-D coil, such a coil structure design realizes mutual decoupling of the receiving compensation coil 20 and the transmitting coil, and the receiving coil 10 and the transmitting coil are mutually coupled. The transmitting coil and the receiving compensation coil 20 of the embodiment are decoupled from each other, and due to the mutual coupling effect between the receiving coil 10 and the receiving compensation coil 20, the volume of the receiving end coil can be reduced under the condition that the primary and secondary side electric energy transmission is not influenced, and the wire consumption of the receiving end coil is reduced.
Alternatively, referring to fig. 3, fig. 3 is a schematic winding diagram of the receiving coil 10 integrated with the receiving compensation coil 20, and the receiving compensation coil 20 is located at the outer periphery of the receiving coil 10.
Optionally, a magnetic core layer is disposed on a side of the receiving coil 10 away from the transmitting coil, the magnetic core layer may increase the degree of magnetic coupling, and the magnetic core layer may be implemented by using a ferrite material.
Optionally, a magnetic shielding layer is disposed on a side of the magnetic core layer away from the receiving coil 10, and the magnetic shielding layer is used for magnetic shielding.
Optionally, in this embodiment, the whole coupling mechanism is designed by integrating the receiving end coil based on the LCL-LCL topology, the secondary LCL topology is as shown in fig. 4, and fig. 4 shows L1 (i.e. the receiving coil 10), L2 (i.e. the receiving compensation coil 20), and the receiving compensation capacitor (i.e. C)1) Equivalent load resistance (i.e., R)eq) In the design of this embodiment, L1 and L2 are coupled with each other, the primary side transmitting coil and L1 are coupled with each other to perform wireless power transmission, and the primary side transmitting coil and L2 are decoupled from each other, so that no influence is exerted on wireless power transmission of the primary side and the secondary side. The coupling of L1 and L2 converts the topology equivalence as shown in FIG. 5, where Z is1＝jωM，Z2M is the mutual inductance between L1 and L2. From the above, the following formula can be obtained:
calculating to obtain:
from the above, when L1 is coupled with L2, the system stability can be maintained by adjusting Z3, and meanwhile, since L1 is coupled with L2, the inductance of the secondary side is equivalent to the sum of the original inductance of the secondary side and the mutual inductance of the compensation inductance of the secondary side, that is, L1 is equivalent to L1+ M, and L2 is equivalent to L2+ M. When the original secondary side mutual inductance is not changed, the wire consumption of the secondary side coil can be properly reduced, and the weight of the secondary side can be reduced in terms of the wire consumption.
EXAMPLE III
The present embodiment provides a robot, including the receiving end device based on the LCL compensation topology in any one of the first to third embodiments. The structure and the function of the receiving end device in this embodiment refer to the description in the first embodiment, and are not described herein again.
The structure of the receiving end device in the first embodiment is applied to the robot, so that the occupation amount of the receiving coil 10 and the receiving compensation coil 20 to the space volume can be reduced, the volume of the receiving end of the magnetic coupling mechanism in the robot is reduced, the space of the robot is enlarged, and the comfort of the robot is improved.
Those of ordinary skill in the art will appreciate that the elements of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components of the examples have been described above generally in terms of their functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present application, it should be understood that the division of the unit is only one division of logical functions, and other division manners may be used in actual implementation, for example, multiple units may be combined into one unit, one unit may be split into multiple units, or some features may be omitted.
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 (9)
1. A receiving end apparatus based on LCL compensation topology, comprising:
the receiving coil, the receiving compensation coil and the receiving compensation capacitor are arranged in the receiving coil;
the receiving coil and the receiving compensation coil are integrated on the same plane;
the receiving coil is coupled with the receiving compensation coil, the receiving compensation coil is decoupled with the transmitting coil, and after the receiving coil is coupled with the transmitting coil, the transmitting coil wirelessly transmits electric energy to the receiving coil.
2. The receiving end device based on the LCL compensation topology of claim 1, wherein the receiving coil comprises a double-D coil wound by a same wire and a rectangular planar coil located at the periphery of the double-D coil, and the receiving compensation coil is a rectangular planar coil.
3. The receiving end device based on the LCL compensation topology of claim 2, wherein the receiving compensation coil is located at the outer circumference of the receiving coil.
4. The receiving end device based on the LCL compensation topology according to any one of claims 1 to 3, wherein a magnetic core layer is disposed on a side of the receiving coil away from the transmitting coil.
5. The receiving end device based on the LCL compensation topology of claim 4, wherein a magnetic shielding layer is disposed on a side of the magnetic core layer away from the receiving coil.
6. The receiving end device according to claim 5, wherein the magnetic shielding layer is an aluminum plate.
7. A coupling mechanism based on LCL compensation topology, comprising a transmitting end device, a receiving end device according to any of claims 1 to 6;
the transmitting terminal device comprises a transmitting coil and is connected with an external power supply;
the receiving end device comprises a receiving coil, a receiving compensation coil and a receiving compensation capacitor;
the receiving coil and the receiving compensation coil are integrated on the same plane;
the receiving coil is coupled with the receiving compensation coil, the receiving compensation coil is decoupled with the transmitting coil, and after the receiving coil is coupled with the transmitting coil, the transmitting coil wirelessly transmits electric energy to the receiving coil.
8. The receiving end device based on the LCL compensation topology of claim 7, wherein the transmitting coil is a dual D-type coil; the receiving coil comprises a double-D type coil and a rectangular plane coil, the double-D type coil is formed by winding the same wire, the rectangular plane coil is located on the periphery of the double-D type coil, and the receiving compensation coil is a rectangular plane coil.
9. A robot characterized by comprising a receiver apparatus according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111477134.9A CN114204700B (en) | 2021-12-06 | 2021-12-06 | LCL compensation topology-based receiving end device, coupling mechanism and robot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111477134.9A CN114204700B (en) | 2021-12-06 | 2021-12-06 | LCL compensation topology-based receiving end device, coupling mechanism and robot |
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| CN114204700A true CN114204700A (en) | 2022-03-18 |
| CN114204700B CN114204700B (en) | 2024-03-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19820882C1 (en) * | 1998-05-09 | 1999-10-28 | Daimler Chrysler Ag | Noncontact torque measurement arrangement |
| CN106205986A (en) * | 2016-08-15 | 2016-12-07 | 上海交通大学 | Bipolarity Wireless charging coil |
| CN106876116A (en) * | 2017-03-07 | 2017-06-20 | 张智敏 | New double square structure wireless charge coil |
| US20170240055A1 (en) * | 2016-02-18 | 2017-08-24 | Denso International America, Inc. | Optimized Compensation Coils For Wireless Power Transfer System |
| CN109560587A (en) * | 2018-12-21 | 2019-04-02 | 北京理工大学 | A kind of wireless compensating charge optimization device of bilateral LCC |
| CN113708506A (en) * | 2021-08-19 | 2021-11-26 | 广西电网有限责任公司电力科学研究院 | Wireless anti skew coupling mechanism that charges |
-
2021
- 2021-12-06 CN CN202111477134.9A patent/CN114204700B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19820882C1 (en) * | 1998-05-09 | 1999-10-28 | Daimler Chrysler Ag | Noncontact torque measurement arrangement |
| US20170240055A1 (en) * | 2016-02-18 | 2017-08-24 | Denso International America, Inc. | Optimized Compensation Coils For Wireless Power Transfer System |
| CN106205986A (en) * | 2016-08-15 | 2016-12-07 | 上海交通大学 | Bipolarity Wireless charging coil |
| CN106876116A (en) * | 2017-03-07 | 2017-06-20 | 张智敏 | New double square structure wireless charge coil |
| CN109560587A (en) * | 2018-12-21 | 2019-04-02 | 北京理工大学 | A kind of wireless compensating charge optimization device of bilateral LCC |
| CN113708506A (en) * | 2021-08-19 | 2021-11-26 | 广西电网有限责任公司电力科学研究院 | Wireless anti skew coupling mechanism that charges |
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| CN114204700B (en) | 2024-03-19 |
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