CN206864285U - A kind of wireless charging magnetic coupling arrangement for multi-load - Google Patents
A kind of wireless charging magnetic coupling arrangement for multi-load Download PDFInfo
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- CN206864285U CN206864285U CN201720526660.2U CN201720526660U CN206864285U CN 206864285 U CN206864285 U CN 206864285U CN 201720526660 U CN201720526660 U CN 201720526660U CN 206864285 U CN206864285 U CN 206864285U
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Abstract
A kind of wireless charging magnetic coupling arrangement for multi-load, including transmitting coil and some receiving coils are the utility model is related to, the receiving coil is matrix pattern quadrature coil or double king's structure quadrature coils；Transmitting coil is made up of some wire races being parallel to each other, and the sense of current is opposite in arbitrary neighborhood wire race；Matrix pattern quadrature coil includes orthogonal first magnetic core and the second magnetic core, the end of first magnetic core and the second magnetic core is respectively arranged with the 3rd magnetic core normal thereto, and the first winding, the second winding, the tertiary winding are respectively arranged with the first magnetic core, on the second magnetic core and on the outside of four the 3rd magnetic cores；Double king's structure quadrature coils have carried out secondary extend in the end of orthogonal first magnetic core and the second magnetic core and extended.The utility model can realize that receiving coil effectively evenly receives magnetic field energy in the range of transmitting coil, have the electric energy efficiency of transmission of the higher coefficient of coup and Geng Gao.
Description
Technical field
It the utility model is related to a kind of wireless charging magnetic coupling arrangement for multi-load.
Background technology
That wireless power transmission technology has is convenient, without mechanical loss, without characteristics such as electric sparks, in a variety of particular surroundings such as people
The fields such as internal portion, mine, high voltage environment, underwater, electric automobile have applications well prospect, obtain in recent years academia and
The extensive concern of business circles.
The magnetic coupling arrangement of wireless power transmission technology mainly uses planar spiral coil, traditional magnetic coupling knot at present
In structure, the single transmitting lateral coil of generally use and reception lateral coil.The magnetic field of single transmitting coil transmitting is fixed, and
Single receiving coil can only receive the magnetic field of a certain specific direction again, if the magnetic direction that transmitting coil is launched is with receiving line
Enclose the magnetic direction that can receive it is inconsistent when, then receiving coil can only receiving portion magnetic field energy, this is also resulted in
The reduction of the coefficient of coup of magnetic coupling arrangement.Mainly there are following several magnetic coupling arrangement designs at present：
1. two coupling coil face schemes and its derivative
The typical patent for having Ningbo Wei E Electronic Science and Technology Co., Ltd.s《A kind of transmitting coil structure of high quality factor》
（Application number：201520036919.6）And《A kind of electric energy receives structure and radio energy receiving module》（Application number：
201521018507.6）；But in the technical scheme, face transmitting lateral coil and the relative position for receiving lateral coil are relatively solid
Fixed, it is necessary to assure not misplaced in both vertical direction, plane must be parallel where two coils, if certain angle be present,
The coefficient of coup declines quickly, and place, which limit the convenience that wireless charging device uses.
2. multiple coil stacked arrangements are as emitting side coil version
The typical patent for having oceangoing voyage Science and Technology Ltd. in Shenzhen《A kind of wireless charging device》（Application number
201310156410.0）, as shown in figure 4, and City University of Hong Kong patent " be used for improve planar inductive charging platform
Can "（Application number 200680030162.3）；But in the technical scheme, array emitter coil can realize the certain free degree of plane
Wireless charging, but its transmitting coil winding path grow, conductor resistance is big, and winding loss is larger, and cost improve.
3. isosceles triangle distribution coil is launched, cross quadrature coil reception scheme
The typical patent for having University of Fuzhou《A kind of wireless power transmission magnetic coupling arrangement and its circuit》（Application number
201210463307.6）；But in the technical scheme, for transmitting coil, winding path length, and there is more right angle, wire electricity
Resistance is big so that overall winding loss increase.For receiving coil, z-axis direction receives winding coupled poor performance, and cost carries
It is high.
4. magnetic field tracking servo structure
Typically have University Of Chongqing wears glad etc. patent《A kind of magnetic field tracking servo mechanism control and its controlling party
Method》（Application number：201010572170.9）；But, it is necessary to be additionally provided magnetic field tracking servo-drive system in the technical scheme, and deposit
The mechanical life the problem of, it is frequently used in some specific occasions.
5. plane magnetic resonators and the plane magnetic resonators with toroidal cavity resonator coil
Typically there is United States radio power company（WiTricity ）Patent《Wireless power transmission in the vehicles》
（Application number：201480027153.3）；But in the technical scheme, for receiving coil one, winding turns length is long, winding damage
Consumption is big and cost is higher, for receiving coil two, although winding turns length reduces, and adds the ring for receiving z-axis direction magnetic field
Shape winding, but if it is intended to reducing x, y-axis direction receives winding turns length it is necessary to reduce guiding magnetic core outermost sectional area, meeting
Causing magnetic resistance excessive, collect x, the ability in the magnetic field that y directions pass over is substantially insufficient, x, and the coefficient of coup in y directions is not high, this
It is conflict.
The content of the invention
In view of this, the purpose of this utility model be to provide a kind of wireless charging magnetic coupling arrangement for multi-load and
It its circuit, can realize that receiving coil effectively evenly receives magnetic field energy in the range of transmitting coil, there is higher coupling
The electric energy efficiency of transmission of coefficient and Geng Gao.
The utility model is realized using following technical scheme to achieve the above object：
A kind of wireless charging magnetic coupling arrangement for multi-load, it is characterised in that：Including transmitting coil and with the hair
Some receiving coils of ray circle coupling, the receiving coil is matrix pattern quadrature coil or double king's structure quadrature coils；
The transmitting coil is made up of some wire races being parallel to each other, and the sense of current is consistent in same wire race, arbitrarily
The sense of current is opposite in adjacent wires race；
The matrix pattern quadrature coil includes orthogonal first magnetic core and the second magnetic core, first magnetic core and second
The end of magnetic core is respectively arranged with the 3rd magnetic core normal thereto, and the first winding is provided with the first magnetic core, is set on the second magnetic core
The second winding is equipped with, the outside bag of four the 3rd magnetic cores is provided with the tertiary winding, and the first winding, the second winding, the tertiary winding are two-by-two
Vertically；
Double king's structure quadrature coils include orthogonal first magnetic core and the second magnetic core, first magnetic core and
The end of two magnetic cores is respectively arranged with the 3rd magnetic core normal thereto, is provided with the first winding on the first magnetic core, on the second magnetic core
It is provided with the second winding；The 4th magnetic core, the 3rd magnetic core both sides edge are provided with the outside of 3rd magnetic core of the first magnetic core wherein one end
And be provided with the tertiary winding on the first magnetic core direction；The 4th magnetic core is provided with the outside of 3rd magnetic core of the second magnetic core wherein one end,
3rd magnetic core both sides are provided with the 4th winding along on the second magnetic core direction.
Further, the transmitting coil is that Multi-layer Parallel or interlayer are connected.
Further, the corner of the transmitting coil is right angle, obtuse angle or fillet.
Further, the bottom side of the transmitting coil is provided with magnetic core or magnet.
Further, in the matrix pattern quadrature coil, the 3rd magnetic core and the first magnetic core, the second magnetic core are in same plane
Or the 3rd magnetic core less than the first magnetic core, the second magnetic core set.
Further, in the matrix pattern quadrature coil, the tertiary winding is rectangle winding or circular winding.
Further, in double king's structure quadrature coils, the length of the 4th magnetic core is more than or equal to the 3rd magnetic core.
The utility model has the advantages that compared with prior art：The utility model is launched including current-return-type
Coil and the three-dimensional orthogonal receiving coil of optimization, can realize that receiving terminal effectively evenly receives magnetic field in the range of transmitting coil
Energy, there is the electric energy efficiency of transmission of the higher coefficient of coup and Geng Gao, relative position occurs in receiving side and emitting side magnetic structure
The skew or certain lift-off put（The distance between emitting side and receiving side magnetic structure）When, it also can guarantee that enough coupled systemes
Number, there is obvious advantage in emitting side and the unfixed occasion of receiving side magnetic structure relative position.Low EMI, structure phase
To it is simple, be easily achieved, the wireless power transmission of various power occasions is all suitable for, therefore can be used for transmitting high-power power.
Brief description of the drawings
Figure 1A is the transmitting coil current direction schematic diagram of the embodiment of the utility model one.
Figure 1B is the transmitting coil PCB winding cross-section schematic diagrames of the embodiment of the utility model one.
Fig. 1 C are the transmitting coil copper cash winding cross-section schematic diagrames of the embodiment of the utility model one.
Fig. 1 D are the transmitting coil litz line winding cross-sectional views of the embodiment of the utility model one.
Fig. 2 is the Distribution of Magnetic Field figure of existing snail type coil.
Fig. 3 is the Distribution of Magnetic Field figure of transmitting coil of the present utility model.
Fig. 4 A are the transmitting coils that the embodiment corner of the utility model one is right angle.
Fig. 4 B are the transmitting coils that the embodiment corner of the utility model one is obtuse angle.
Fig. 4 C are the transmitting coils that the embodiment corner of the utility model one is fillet.
Fig. 5 is the transmitting coil of the Multi-layer Parallel of the embodiment of the utility model one.
Fig. 6 is the transmitting coil of the interlayer series connection of the embodiment of the utility model one.
Fig. 7 A are that the double-deck PCB of the embodiment of the utility model one turns back the multiturn transmitting coil top layer of winding.
Fig. 7 B are that the double-deck PCB of the embodiment of the utility model one turns back the multiturn transmitting coil bottom of winding.
Fig. 7 C are that the double-deck PCB of the embodiment of the utility model one turns back the multiturn transmitting coil of winding.
Fig. 8 A are the matrix pattern quadrature coils of the utility model embodiment one.
Fig. 8 B are the matrix pattern quadrature coils of the utility model embodiment two.
Fig. 8 C are the matrix pattern quadrature coils of the utility model embodiment three.
Fig. 9 A are the structural representations of the utility model position 1.
Fig. 9 B are Fig. 9 A corresponding magnetic circuit figures.
Fig. 9 C are the structural representations of the utility model position 2.
Fig. 9 D are Fig. 9 C corresponding magnetic circuit figures.
Fig. 9 E are the position views that Fig. 9 A rotate counterclockwise 45 °.
Fig. 9 F are the position views that Fig. 9 A rotate counterclockwise 90 °.
Figure 10 is double king's structure quadrature coils of the embodiment of the utility model one.
Figure 11 A are the transmitting coil spliced maps of the embodiment of the utility model one.
Figure 11 B are the transmitting coil spliced maps of another embodiment of the utility model.
Figure 12 is overall structure diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to the utility model.
The present embodiment provides a kind of wireless charging magnetic coupling coil, it is characterised in that：Including a transmitting coil and with it is described
Some receiving coils of transmitting coil coupling, the receiving coil is matrix pattern quadrature coil or double king's structure quadrature coils；
In the present embodiment, the transmitting coil is current-return-type planar rectangular coil, by it is some be parallel to each other lead
Line segment（Or wire race）Composition, arbitrary neighborhood conducting line segment（Or wire race）The sense of current is on the contrary, sense of current phase in each wire race
Together；It is the current direction schematic diagram of the transmitting coil as shown in Figure 1A, 1101 represent that the vertical paper of electric current in conductor flows into,
1102 represent the vertical paper outflow of electric current in conductor, and the electric current flowing formed it into is distributed to be formed between adjacent wires in opposite
Direction of current flow, transmitting coil form an emission of magnetic field plane, its magnetic field radiated can be controlled in certain model
In enclosing, 1301,1302 in Figure 1B represent adjacent Liang Ge wires race, are represented using PCB windings, 1303,1304 in Fig. 1 C
Adjacent Liang Ge wires race, adjacent Liang Ge wires race is represented using copper cash winding, 1305,1306 in Fig. 1 D, using Litz
Line winding.
In the present embodiment, there are the high-permeability materials such as magnetic core or magnet the transmitting coil bottom side, and increase magnetic core can
Magnetic coupling is improved, reduces magnetic field exposure.In order to further reduce magnetic field exposure, sheet metal can be increased on the downside of magnetic core.
The transmitting coil can be, but not limited to as plain conductor, and can be, but not limited to copper cash includes tinned wird, silver-plated
Copper cash or Litz lines etc..
Please comparison diagram 2 and Fig. 3, in figure, 1201 and 1211 represent the magnetic lines of force, and 1202 and 1212 represent windings（Carry above
The conducting line segment arrived（Or wire race））, 1203 and 1213 represent magnetic core, it can be seen that the magnetic field exposure of the transmitting coil of the present embodiment
Relatively small, magnetic field is concentrated mainly in transmitting coil platform surface certain limit, and the transmitting coil structure of the present embodiment has
The less advantage of leakage magnetic field.
In above-described embodiment, the corner of the transmitting coil can be, but not limited to right angle, obtuse angle, fillet etc., please divide
Other reference picture 4A, Fig. 4 B and Fig. 4 C, wherein, 1402,1412,1422 be winding, and 1401,1411,1421 be current input terminal,
1403rd, 1413,1423 be current output terminal.With in another embodiment, in order to increase winding conduction cross-sectional area, reducing winding damage
Consumption, transmitting coil can use the set-up mode of Multi-layer Parallel, i.e., described transmitting coil can also be lattice coil, and corner
Right angle, obtuse angle, fillet etc. are can be, but not limited to, by taking the lattice coil of fillet as an example, refer to Fig. 5, its current path is specific such as
Under：Top layer current path：Electric current flows into through terminal 1601, flows through PCB top layers winding 1602, is most flowed out afterwards through 1603 terminals;It is logical
The face of hole 1601,1604,1607, the face of through hole 1603,1606,1609；Middle level current path:Electric current flows into through terminal 1601,
Into the middle level through hole 1604 with the face of top layer through hole 1601, PCB middle levels winding 1605 is flowed through, from middle level through hole 1606, is entered
With the top layer through hole 1603 of the face of middle level through hole 1606, most flowed out afterwards through terminal 1603;Bottom current path：Electric current is through terminal
1601 flow into, by way of middle level through hole 1604, into the bottom through hole 1607 with the face of top layer through hole 1601, flow through PCB bottoms around
Group 1608, from bottom through hole 1609, by way of middle level through hole 1606, into the top layer through hole 1603 with the face of bottom through hole 1609,
Most flowed out afterwards through terminal 1603.
In another embodiment, in order to improve primary side transmitting magnetic field intensity, transmitting coil can also use interlayer series connection
Set-up mode, Fig. 6 is refer to, still by taking fillet as an example, its current path is specific as follows：Electric current flows into through terminal 1701, stream
Through PCB top layers winding 1702, from top layer through hole 1703, into the bottom through hole 1704 with the face of top layer through hole 1703, pass through
PCB bottoms winding 1705, most flowed out afterwards through 1706 terminals.
In another embodiment, transmitting coil can be turned back winding using bilayer（Top layer containing PCB and PCB bottoms）, to increase
Add the transmitting coil number of turn, remained unchanged so as to improve primary side transmitting magnetic field intensity by taking fillet as an example, refer to Fig. 7 A, 7B, 7C, its electricity
Flow path is specific as follows：Electric current flows into through terminal 1801, flows through PCB top layers winding 1802, from top layer through hole 1803, into top
The bottom through hole 1804 of the layer face of through hole 1803, flows through PCB bottoms winding 1805, from bottom through hole 1806, leads into bottom
The top layer through hole 1807 of the face of hole 1806, flow through PCB top layers winding 1808, from top layer through hole 1809, into top layer through hole
The bottom through hole 1810 of 1809 faces, flow through PCB bottoms winding 1811, from bottom through hole 1812, into bottom through hole 1812
The top layer through hole 1813 of face, flow through PCB top layers winding 1814, from top layer through hole 1815, into the face of top layer through hole 1815
Bottom through hole 1816, flow through PCB bottoms winding 1817, most flowed out afterwards through terminal 1818.
Fig. 8 A are refer to, the matrix pattern quadrature coil includes the orthogonal magnetic core of first magnetic core 2004 and second
2005, the end of the magnetic core 2005 of the first magnetic core 2004 and second be respectively arranged with the 3rd magnetic core 2006 normal thereto,
2007th, 2008 and 2009, the first winding 2002 is provided with the first magnetic core 2004, and 2005 are provided with the second winding on the second magnetic core
2001, the outside bags of four the 3rd magnetic cores 2006,2007,2008 and 2009 is provided with the tertiary winding 2003, the first winding 2002, the
Two windings 2001, the tertiary winding 2003 are vertical two-by-two, and in the present embodiment, the 3rd magnetic core 2006,2007,2008 and 2009 is less than
Contacted with each other between first magnetic core and the second magnetic core and three；The length of first magnetic core and the second magnetic core is about in adjacent wires race
1 times of distance of point, 1 times of the 3rd magnetic core distance about distance at adjacent wires race midpoint being parallel to each other, three it is orthogonal around
Do not coupled between group, be respectively induced the magnetic-field component of three orthogonal directions, this receiving side quadrature coil structure can not only fill
Divide the magnetic-field component of sensing all directions, and the addition of all directions coefficient of coup can make the overall coefficient of coup relatively flat
It is even, it can be maintained in certain scope, improve overall coupling performance.The magnetic core outermost of 3rd magnetic core increase guiding magnetic field energy
Sectional area, magnetic resistance is reduced as far as possible, collect the magnetic field that transmitting coil passes over.
It is the matrix pattern quadrature coil of another embodiment as shown in Figure 8 B, compared with Fig. 8 A illustrated embodiments, difference
It is, the 3rd magnetic core 2016,2017,2018 and 2019 and the first magnetic core 2014 and the second magnetic core 2015 are in same plane,
In Fig. 8 A and Fig. 8 B illustrated embodiments, the tertiary winding is rectangle.
It is the matrix pattern quadrature coil of another embodiment as shown in Figure 8 C, compared with Fig. 8 B illustrated embodiments, difference
It is, the tertiary winding 2023 is circle, and corresponding 3rd magnetic core 2024 is circular arc with matching.
Above three kinds of structures are all matrix pattern structures, if with above-mentioned current-return-type planar rectangular transmitting coil
It is engaged, receiving coil on the direction perpendicular with current direction when moving horizontally, i.e. Fig. 9 A and the X side shown in Fig. 9 C
Peak-to-valley value is presented to, magnetic field distribution, in position shown in Fig. 9 A, just for one-in-and-one-out two parts wire among, have one
Partial magnetic field cancels each other, and valley is presented；Peak value is then presented in position shown in Fig. 9 C.If there was only one group of line in one direction
Circle, then peak-to-valley value is presented in the inevitable horizontal displacements with X-direction of voltage V1 that winding 1 senses, at this time just needs in the party
To respectively introducing winding 2, and correspondingly carry out second to end and extend again, double king's structure cross lines as shown in Figure 10 are formed
Circle.
Figure 10 is refer to, double king's structure quadrature coils include the orthogonal magnetic core of first magnetic core 2035 and second
2036, the end of the magnetic core 2035 of the first magnetic core 2035 and second be respectively arranged with the 3rd magnetic core 2037 normal thereto,
2038th, 2039 and 2040, the first winding 2033 is provided with the first magnetic core 2035, and the second winding is provided with the second magnetic core 2036
2031；The outside of 3rd magnetic core 2039 of the first magnetic core 2035 wherein one end is provided with the 4th magnetic core 2042, the He of the 3rd magnetic core 2039
4th magnetic core 2042 is linked together by the extension of the first magnetic core 2035, and the both sides of the 3rd magnetic core 2039 are along the first magnetic core
The tertiary winding 2034 is provided with 2035 directions；The outside of 3rd magnetic core 2038 of the second magnetic core 2036 wherein one end is provided with the 4th
Magnetic core 2041, the 3rd magnetic core 2038 and the 4th magnetic core 2041 are linked together by the extension of the second magnetic core 2036, and the 3rd
The both sides of magnetic core 2038 are provided with the 4th winding 2032 along on the direction of the second magnetic core 2036；The length of first magnetic core and the second magnetic core
About 1.5 times of the distance at adjacent wires race midpoint, be parallel to each other the 3rd magnetic core distance about adjacent wires race midpoint away from
From 1 times, 0.5 times of the 4th magnetic core and the 3rd magnetic core distance about distance at adjacent wires race midpoint with one end.
As shown in Figure 9 A, as shown in Figure 9 B, the schematic diagram of position 2 as shown in Figure 9 C, corresponds to magnetic to corresponding magnetic circuit to the schematic diagram of position 1
As shown in fig. 9d, in figure, 2101,2111,2121,2131 represent transmitting coils on road, and the actual sign of a circle transmitting coil is more in figure
Circle, 2102,2112,2122,2132 represent receiving coil, and hollow arrow 2103,2113,2123,2133 represents the sense of current, first
Arrow 2114,2134 that tail connects represents magnetic line of force trend, during in position 2, the voltage V1 of the one of winding sensing in x directions
During in valley, the voltage V2 of another winding sensing in x directions is in peak value, and the voltage V2 of the two winding sensings in x directions is entered
Row superposition, the kurtosis of the total voltage induced on x directions will weaken a lot, tend to be flat, and new receiving coil can be
Any position translation rotation and holding receive energy and remain stable on transmitting coil platform.
The receiving coil can rotate freely in x/y plane, can receive magnetic field, using double king's structure quadrature coils as
Example, as shown in Fig. 9 E and Fig. 9 F, Fig. 9 E are represented relative to the position 1 shown in Fig. 9 A, in 45 degree of x/y plane rotate counterclockwise, Fig. 9 F
Represent relative to the position 1 shown in Fig. 9 A, in 90 degree of x/y plane rotate counterclockwise.
In the present embodiment, in double king's structure quadrature coils, the length of the 4th magnetic core is more than or equal to the 3rd magnetic core,
And a, c, the e that can be changed by change in the size such as Figure 10 of the 3rd magnetic core and the 4th magnetic core change the size of induced voltage, lead to
The number of turn of two windings in same direction is crossed so that total induced voltage tends to be steady, two groups of windings interlink more magnetic force as far as possible
Line.
The transmitting coil can arbitrarily splice, be expanded to the plane of departure, while can keep field homogeneity, can use
Series connection splicing or splicing in parallel.Series connection joining method shown in Figure 11 A can infinitely splice, extend to the left and right sides, shown in Figure 11 B
Joining method in parallel can also infinitely splice, extend to the left and right sides.
The overall structure diagram of the present embodiment is as shown in figure 12.Wherein, 2201 be transmitting coil, 2202,2203,2204
For receiving coil.
The foregoing is only preferred embodiment of the present utility model, it is all done according to present utility model application the scope of the claims it is equal
Deng change and modification, it should all belong to covering scope of the present utility model.
Claims (7)
- A kind of 1. wireless charging magnetic coupling arrangement for multi-load, it is characterised in that：Including transmitting coil and with the transmitting Some receiving coils of coil coupling, the receiving coil is matrix pattern quadrature coil or double king's structure quadrature coils；The transmitting coil is made up of some wire races being parallel to each other, and the sense of current is consistent in same wire race, arbitrary neighborhood The sense of current is opposite in wire race；The matrix pattern quadrature coil includes orthogonal first magnetic core and the second magnetic core, first magnetic core and the second magnetic core End be respectively arranged with the 3rd magnetic core normal thereto, the first winding is provided with the first magnetic core, is provided with the second magnetic core Second winding, the outside bag of four the 3rd magnetic cores are provided with the tertiary winding, and the first winding, the second winding, the tertiary winding are vertical two-by-two；Double king's structure quadrature coils include orthogonal first magnetic core and the second magnetic core, first magnetic core and the second magnetic The end of core is respectively arranged with the 3rd magnetic core normal thereto, and the first winding is provided with the first magnetic core, is set on the second magnetic core There is the second winding；It is provided with the 4th magnetic core on the outside of 3rd magnetic core of the first magnetic core wherein one end, the 3rd magnetic core both sides are along the The tertiary winding is provided with one magnetic core direction；The 4th magnetic core is provided with the outside of 3rd magnetic core of the second magnetic core wherein one end, this Three magnetic core both sides are provided with the 4th winding along on the second magnetic core direction.
- 2. the wireless charging magnetic coupling arrangement according to claim 1 for multi-load, it is characterised in that：The emission lines Enclose as Multi-layer Parallel or interlayer series connection.
- 3. the wireless charging magnetic coupling arrangement according to claim 1 for multi-load, it is characterised in that：The emission lines The corner of circle is right angle, obtuse angle or fillet.
- 4. the wireless charging magnetic coupling arrangement according to claim 1 for multi-load, it is characterised in that：The emission lines The bottom side of circle is provided with magnetic core or magnet.
- 5. the wireless charging magnetic coupling arrangement according to claim 1 for multi-load, it is characterised in that：The matrix pattern In quadrature coil, the 3rd magnetic core and the first magnetic core, the second magnetic core are in same plane or the 3rd magnetic core less than the first magnetic core, second Magnetic core is set.
- 6. the wireless charging magnetic coupling arrangement according to claim 1 for multi-load, it is characterised in that：The matrix pattern In quadrature coil, the tertiary winding is rectangle winding or circular winding.
- 7. the wireless charging magnetic coupling arrangement according to claim 1 for multi-load, it is characterised in that：Double king's knots In structure quadrature coil, the length of the 4th magnetic core is more than or equal to the 3rd magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526660.2U CN206864285U (en) | 2017-05-12 | 2017-05-12 | A kind of wireless charging magnetic coupling arrangement for multi-load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526660.2U CN206864285U (en) | 2017-05-12 | 2017-05-12 | A kind of wireless charging magnetic coupling arrangement for multi-load |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952710A (en) * | 2017-05-12 | 2017-07-14 | 福州大学 | A kind of wireless charging magnetic coupling arrangement and its circuit for multi-load |
| CN113960507A (en) * | 2021-10-20 | 2022-01-21 | 全球能源互联网研究院有限公司 | Device for acquiring three-dimensional space magnetic field information and energy |
-
2017
- 2017-05-12 CN CN201720526660.2U patent/CN206864285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952710A (en) * | 2017-05-12 | 2017-07-14 | 福州大学 | A kind of wireless charging magnetic coupling arrangement and its circuit for multi-load |
| CN113960507A (en) * | 2021-10-20 | 2022-01-21 | 全球能源互联网研究院有限公司 | Device for acquiring three-dimensional space magnetic field information and energy |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |