CN208368342U - The multidirectional transmitting three dimensional coils of wireless power transmission and radio energy transmission system - Google Patents

The multidirectional transmitting three dimensional coils of wireless power transmission and radio energy transmission system Download PDF

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CN208368342U
CN208368342U CN201820906473.1U CN201820906473U CN208368342U CN 208368342 U CN208368342 U CN 208368342U CN 201820906473 U CN201820906473 U CN 201820906473U CN 208368342 U CN208368342 U CN 208368342U
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dimensional
transmitting
power transmission
wireless power
multidirectional
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诸嘉慧
李永亮
高强
刘齐
刘之方
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
State Grid Ningxia Electric Power Co Ltd
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
State Grid Ningxia Electric Power Co Ltd
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Abstract

The utility model provides a kind of multidirectional transmitting three dimensional coils of wireless power transmission and radio energy transmission system.The transmitting three dimensional coils include: three-dimensional skeleton;Wherein, three-dimensional skeleton is the three-dimensional structure of vertex connection by non-magnet material, using the load carrier as transmitting three dimensional coils using iron core as rib;It is arranged with transmitting coil on each rib of three-dimensional skeleton, for converting electrical energy into electromagnetic energy to transmit every sky.The utility model uses three-dimensional structure, not only it is able to satisfy single supply, the load of multiple and different positions while the needs of power supply, meets the needs of reception device high-freedom degree is mobile, and then promote the freedom degree and flexibility of radio energy transmission system, improve the spatially uniform in Transmission system magnetic field, reception system is reduced to the dependence of emission system, it realizes the regulated power transmission of the reception device of single source multiple load system and any spatial position, and then improves the efficiency of transmission and transmission stability of wireless power transmission.

Description

The multidirectional transmitting three dimensional coils of wireless power transmission and radio energy transmission system
Technical field
The utility model relates to wireless power transmission technical fields, multidirectional in particular to a kind of wireless power transmission Emit three dimensional coils and radio energy transmission system.
Background technique
Wireless power transmission technology (Wireless Power Transfer-WPT) is also referred to as transmitting non-contact electric energy Technology (Contactless Power Transmission-CPT), be it is a kind of by means of the invisible soft-medium in space (such as electric field, Magnetic field, microwave, laser, ultrasonic wave etc.) realize a kind of powering mode that electric energy is transferred to electrical equipment by power end, it is electric energy A kind of revolutionary progress of transmission and access.Wireless power transmission efficiently solves the problems, such as convenient, the secure accessing of power supply, Solve plug-in spark brought by traditional direct contact type Transmission Mode, carbon distribution, it is not convenient for safeguarding, be also easy to produce the problems such as abrasion, Especially security hidden trouble existing for electricity consumption in particular circumstances.
2007, the researcher of Massachusetts Institute Technology realized electric energy using high-frequency electromagnetic resonance coupled modes Intermediate range wireless transmission, when being spaced 2m distance to 60W bulb powered, efficiency is about 40%.This major progress has evoked the country again Outer researcher is improving transimission power and efficiency to the interest of magnet coupled resonant type wireless electric energy transmission technology, numerous scholars, And transmission range etc. conducts in-depth research.However wireless power transmission technology is in application process by its transmission The restriction of directionality is usually at present plane or cylindrical knot in the transmitting coil of wireless power transmission research and product scope Structure, this structure have very strong directionality, can only carry out the efficient wireless transmission of electric energy in one dimension, i.e., in conventional wireless In electric energy transmission system, receiving coil and transmitting coil are more sensitive to direction, can obtain enough biographies in a single direction Defeated power, but transimission power sharply declines when the change of direction, therefore it is mostly to be placed in parallel.
However in practical applications, for the receiving mechanism of single source multiple load system and any spatial position, receiving coil It can change with the relative space relation in magnetic field, the plane normal direction of receiving coil will occur not parallel even with magnetic direction Vertical situation reduces then the transmission characteristic in receiving coil can change with the variation of two coil plane normal angles The transmission stability of system, once that is, there are biggish opposite offset, transimission power can be with two for receiving coil and transmitting coil Coil plane normal angle becomes larger and sharply declines, and in the case where single source multi-load especially in practical application scene, does not have The efficiency of transmission and transmission stability for having the loading coil of face transmitting coil will will be greatly reduced, or even can not receive energy Amount.
Utility model content
In consideration of it, the utility model proposes a kind of multidirectional transmitting three dimensional coils of wireless power transmission and wireless power transmissions System, it is intended to solve the problems, such as that existing receiving coil and transmitting coil have opposite offset and efficiency of transmission caused to reduce.
On the one hand, the utility model proposes a kind of multidirectional transmitting three dimensional coils of wireless power transmission, the transmitting three-dimensional lines Circle includes: three-dimensional skeleton;Wherein, the three-dimensional skeleton is vertex connection by non-magnet material using iron core as rib Three-dimensional structure, using as it is described transmitting three dimensional coils load carrier;On each rib of the three-dimensional skeleton It is arranged with transmitting coil, for converting electrical energy into electromagnetic energy to transmit every sky.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, each transmitting coil is via tuning electricity Road is connected on high frequency electric source.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, the tuning circuit include serial or parallel connection Capacitor and inductance element, for so that the resonance frequency of each transmitting coil is opposite with the output frequency of the high frequency electric source It answers.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, the transmitting coil is with spiral coiling In on the rib of the three-dimensional skeleton.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, the geometric center of each transmitting coil with The geometric center of the rib of its winding is overlapped setting.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, the three-dimensional skeleton are a kind of or more The three-dimensional structure of kind polygon composition.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, the three-dimensional skeleton are hollow just more Face body.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, the iron core are cylindrical structure.
Further, the multidirectional transmitting three dimensional coils of above-mentioned wireless power transmission, the iron core are made up of Ferrite Material.
The multidirectional transmitting three dimensional coils of wireless power transmission provided by the utility model, are connected by iron core with non-magnet material It is combined into the three-dimensional skeleton of three-dimensional structure, so as to the load carrier as transmitting three dimensional coils, and 3 D stereo knot Structure has symmetry and stability, is advantageously implemented multidirectional regulated power transmission;On each rib of three-dimensional skeleton It is arranged with transmitting coil, for converting electrical energy into the electromagnetic energy of other forms to transmit every sky.Compared with prior art, should The conventional coil structure that the multidirectional transmitting three dimensional coils of wireless power transmission overcome prior art use has directional sensitivity Limitation, but three-dimensional structure is used, this three-dimensional structure transmitting coil is not only able to satisfy single supply, multiple and different positions The needs of the load while power supply set meet the needs of reception device high-freedom degree is mobile, and then promote wireless power transmission system The freedom degree and flexibility of system improve the spatially uniform in Transmission system magnetic field, reduce dependence of the reception system to emission system Property, realize the regulated power transmission of the reception device of single source multiple load system and any spatial position, and then improve radio energy The efficiency of transmission and transmission stability of transmission;Meanwhile the multidirectional transmitting three dimensional coils of the wireless power transmission are also ensured polygonal The stability for spending lower energy transmission, reduces system bulk, and this multidirectional three-dimensional transmission coil device is suitable for spatial position not Fixed sports equipment power supply.
On the other hand, the utility model also proposed a kind of radio energy transmission system, which is provided with above-mentioned wireless Electric energy transmits multidirectional transmitting three dimensional coils.
Since the multidirectional transmitting three dimensional coils of wireless power transmission have said effect, so having wireless power transmission multidirectional The radio energy transmission system of transmitting three dimensional coils also has corresponding technical effect.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the first structure signal of the multidirectional transmitting three dimensional coils of wireless power transmission provided by the embodiment of the utility model Figure;
Fig. 2 is the second structural representation of the multidirectional transmitting three dimensional coils of wireless power transmission provided by the embodiment of the utility model Figure;
Fig. 3 is the structural block diagram of radio energy transmission system provided by the embodiment of the utility model;
Fig. 4 is the multidirectional first structure signal for receiving three dimensional coils of wireless power transmission provided by the embodiment of the utility model Figure;
Fig. 5 is multidirectional the second structural representation for receiving three dimensional coils of wireless power transmission provided by the embodiment of the utility model Figure.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, the implementation in the utility model Feature in example and embodiment can be combined with each other.It is below with reference to the accompanying drawings and in conjunction with the embodiments practical new this is described in detail Type.
Emit three dimensional coils embodiment:
Referring to Fig. 1 and Fig. 2, it illustrates the preferred structures of the multidirectional transmitting three dimensional coils of wireless power transmission, as shown, The multidirectional transmitting three dimensional coils 10 of the wireless power transmission include: three-dimensional skeleton 1;Wherein, three-dimensional skeleton 1 is with iron core 11 It is the three-dimensional structure of vertex connection by non-magnet material 12, using the load carrier as transmitting three dimensional coils for rib.Three Tieing up stereochemical structure has symmetry and stability, is advantageously implemented multidirectional regulated power transmission.
Specifically, iron core 11 is cylindrical structure, to reduce abrasion of the iron core 11 to transmitting coil 2.Preferably, iron Core 11 is made up of Ferrite Material, and ferrite is a kind of with ferromagnetic metal oxide, for electrical characteristics, ferrite Resistivity ratio metal, alloy magnetic material it is much bigger, and there are also higher dielectric properties, while ferritic magnetic property is also Magnetic conductivity with higher when high frequency is shown, to improve the stability of the multidirectional transmitting three dimensional coils of the wireless power transmission. Iron core 11 according to the spatial distribution of three-dimensional structure fix, and polyhedron is combined by the connection of non-magnet material 12, i.e., Three-dimensional skeleton 1 is the three-dimensional structure of one or more polygons composition;It is further preferred that three-dimensional skeleton 1 is The regular polygons such as hollow regular polygon, such as positive tetrahedron, regular hexahedron, regular octahedron, regular dodecahedron and regular dodecahedron, Each rib to ensure three-dimensional skeleton 1 is identical, and then improves the spatially uniform in Transmission system magnetic field, reduces reception system To the dependence of emission system, while its inner hollow is convenient for for tuning circuit and high frequency electric source being arranged in three-dimensional skeleton 1 It is internal or external, and then convenient for the connection between the transmitting three dimensional coils and other conducting wires, so that the loop construction is compact.Its In, non-magnet material 12 can be chondritic.
With continued reference to Fig. 1 and Fig. 2, it is arranged with transmitting coil 2 on each rib of three-dimensional skeleton 1, is used for electric energy The electromagnetic energy of other forms is converted to transmit every sky.
Specifically, being arranged with transmitting coil 2 on each iron core 11;Preferably, each transmitting coil 2 is with spiral coiling In on the rib of three-dimensional skeleton 11 be its corresponding iron core 11 on;Preferably, transmitting coil 2 is set to its corresponding iron core 11 Middle position;It is further preferred that the geometric center of transmitting coil 2 is overlapped setting with the geometric center of the rib of its winding, i.e., The geometric center of the iron core 11 of the geometric center and its winding of each transmitting coil 2 is respectively positioned on same point.Two of each transmitting coil 2 Terminal is drawn, and is connected on high frequency electric source via tuning circuit and is connected with tuning circuit and be connected in high frequency electric source On, that is to say, that it connects with tuning circuit and is powered by high frequency electric source, realize the conversion of electric energy and transmitted every sky;Certainly, each hair Two terminals of ray circle 2 are connected in the high frequency electric source for being connected with tuning circuit after drawing.Wherein, tuning circuit include series connection or Capacitor and inductance element in parallel, for so that the resonance frequency of each transmitting coil 2 and the output frequency of high frequency electric source are corresponding, Preferably, so that the resonance frequency of each transmitting coil 2 is consistent with the output frequency of high frequency electric source.
In the case where the structure, size and resonance frequency of the transmitting coil 2 on the certain each rib of each rib length are certain, three Tieing up three-dimensional framework 11 is that polyhedron rib number is more, and the transmission direction freedom degree of the transmitting three dimensional coils is higher, the magnetic field point of sending Cloth is more uniform.
Separately below using Fig. 1 and Fig. 2 as the example of concrete application:
Embodiment 1:
As shown in Figure 1, three-dimensional skeleton 1 is regular hexahedron, 12 ribs of regular hexahedron are by the ferritic of cylindrical type Iron core 11 is constituted, and each rib is connected by the vertex that non-magnet material 12 makes, the load carrier as transmitting three dimensional coils.
It is cylindrical spiral coil respectively with spiral wrap transmitting coil 2 on each rib, the emission lines of each rib Two terminals of circle 2 are drawn, and are connected in high frequency electric source after tuned circuit.
The regular hexahedron is hollow structure, convenient for the connection between the transmitting three dimensional coils and conducting wire, tuning circuit and height Frequency power is arranged inside hollow regular polygon.
Embodiment 2
As shown in Fig. 2, three-dimensional skeleton 1 is regular dodecahedron, 30 ribs of regular dodecahedron by cylindrical type iron oxygen The iron core 11 of body is constituted, and each rib is connected to the load carrier of transmitting three dimensional coils by the vertex that non-magnet material 12 makes.
It is cylindrical spiral coil respectively with spiral wrap transmitting coil 2 on each rib, the emission lines of each rib Two terminals of circle 2 are drawn, and are connected in high frequency electric source after tuned circuit.
The regular dodecahedron is hollow structure, convenient for the connection between the transmitting three dimensional coils and conducting wire, tuning circuit with High frequency electric source is arranged inside hollow regular polygon.
To sum up, the multidirectional transmitting three dimensional coils of wireless power transmission provided in this embodiment, pass through iron core 11 and non-magnetic material 12 connection of material is combined into the three-dimensional skeleton 1 of three-dimensional structure, so as to the load carrier as transmitting three dimensional coils, and three Tieing up stereochemical structure has symmetry and stability, is advantageously implemented multidirectional regulated power transmission;Three-dimensional skeleton 1 it is every Transmitting coil 2 is arranged on a rib, for converting electrical energy into the electromagnetic energy of other forms to transmit every sky.With existing skill Art is compared, and the conventional coil structure that the multidirectional transmitting three dimensional coils of the wireless power transmission overcome prior art use has direction The limitation of sensibility, but three-dimensional structure is used, this three-dimensional structure transmitting coil is not only able to satisfy single supply, more The load of a different location while the needs of power supply, meet the needs of reception device high-freedom degree is mobile, and then promote radio The freedom degree and flexibility of energy Transmission system, improve the spatially uniform in Transmission system magnetic field, reduce reception system and are to transmitting The dependence of system, realizes the regulated power transmission of the reception device of single source multiple load system and any spatial position, and then improves The efficiency of transmission and transmission stability of wireless power transmission;Meanwhile the multidirectional transmitting three dimensional coils of the wireless power transmission can also protect The stability of the energy transmission under multi-angle is demonstrate,proved, system bulk is reduced, this multidirectional three-dimensional transmission coil device is suitable for sky Between position unfixed sports equipment power supply.
System embodiment:
The present embodiment also proposed a kind of radio energy transmission system, and it is more that above-mentioned wireless power transmission is provided in the system To transmitting three dimensional coils 10.Wherein, the specific implementation process of the multidirectional transmitting three dimensional coils 10 of wireless power transmission is referring to above stating Bright, details are not described herein for the present embodiment.
Referring to Fig. 3, it illustrates the structural block diagrams of radio energy transmission system;The system further includes that wireless power transmission is more To reception three dimensional emission coil 20, the multidirectional reception three dimensional emission coil 20 of wireless power transmission and the multidirectional transmitting of wireless power transmission The non-contact connection of three dimensional coils 10, the electromagnetic energy transmitted for receiving the multidirectional transmitting three dimensional coils 10 of wireless power transmission, and Electromagnetic energy is converted into electric energy, realizes the transmission of radio energy.
Referring to fig. 4 and Fig. 5, it illustrates the multidirectional preferred structures for receiving three dimensional coils of wireless power transmission;The radio Multidirectional reception three dimensional emission coil 20 can be transmitted, structure 3 is received as the carrying for receiving three dimensional emission coil 20 using 3 D stereo Mechanism, three-dimensional structure have symmetry and stability, are advantageously implemented multidirectional regulated power and receive;3 D stereo connects Receipts structure 3 is polyhedron, several sides are equipped with planar spiral winding 4.
Specifically, it can be polyhedron that 3 D stereo, which receives structure 3, wherein sphere is a kind of special polyhedron, Each face is a corresponding polygon, certainly, can be to be one or more between each polygon, i.e., 3 D stereo receives knot Structure 3 is that the three-dimensional structure body of one or more polygons composition includes sphere structure.3 D stereo is selected to receive structure 3 Several faces are equipped with planar spiral winding 4 on selected side, and planar spiral winding 4 is arranged in planar spiral-type, i.e., three-dimensional Several sides that solid receives structure 3 are equipped with the coil that multiturn is in planar spiral-type setting;In planar spiral winding 4, every circle Coil is polygon or round, and the geometric center of every circle coil is located at 3 D stereo and receives in the geometry of 3 corresponding side surface of structure Heart position, so that 4 size of planar spiral winding is identical on each face;Preferably, in planar spiral winding 4, every circle coil is equal The corresponding polygon in face where it, to further increase the utilization rate of coil, and then further increases the reception three-dimensional line The stability and receiving efficiency of circle.
With continued reference to Fig. 1 and Fig. 2, it is hollow regular polygon, such as positive tetrahedron, positive six face that 3 D stereo, which receives structure 3, The regular polygons such as body, regular octahedron, regular dodecahedron and regular dodecahedron and sphere, to ensure each of three-dimensional skeleton 1 Rib is identical, and then improves the spatially uniform in Transmission system magnetic field, reduce receive three dimensional emission coil 20 to transmitting coil according to Lai Xing, while its inner hollow is convenient in 3 D stereo receiving regulator rectifier circuit and load setting inside or outside structure 3, And then convenient for the connection between the reception three dimensional emission coil 20 and other conducting wires, so that the loop construction is compact, so that the knot Structure is simply easy to carry.It is influenced to eliminate the mutual inductance between the planar spiral winding 4 on each face, it is preferable that 3 D stereo The side for receiving structure 3 is equipped with ferrite;It is further preferred that ferrite is pasted on the side that 3 D stereo receives structure 3 On, planar spiral winding 4 is wound on ferrite.Structure 3 is received to ferrite and snail line in order to eliminate 3 D stereo The influence of circle 4,3 D stereo receive structure 3 and are made of non-magnetic insulating materials.
With continued reference to Fig. 1 and Fig. 2, each planar spiral winding 4 is wound on its corresponding side or each flat by a conducting wire Surface helix coil 4 is connected in series, for receiving electromagnetic energy and electromagnetic energy being converted to electric energy to realize the biography of radio energy It is defeated.
Specifically, the planar spiral winding 4 that 3 D stereo receives in structure 3 on each side has a conducting wire successively at it The spiral coiling in city on corresponding side, or be connected in series by conducting wire.Two ports of conducting wire or planar spiral winding 4 are gone here and there Two ports after connection are connected, to realize the reception of electromagnetic energy with regulator rectifier circuit and load.
Certain, each 4 structure of facial plane spiral winding, size and resonance in the 3 D stereo reception each face effective area of structure 3 In the case that frequency is certain, 3 D stereo reception 3 face number of structure is more, the energy acceptance direction freedom degree of the reception three dimensional coils Higher, output power and efficiency are more stable.
Separately below using Fig. 4 and Fig. 5 as the example of concrete application:
Embodiment 3
As shown in figure 4, receiving structure 3 as the load carrier for receiving three dimensional emission coil 20 using 3 D stereo, three-dimensional is vertical It is regular hexahedron that body, which receives structure 3, and regular hexahedron includes that 6 regular quadrangles are constituted, and each face is corresponding one positive four side Shape.
Ferrite is pasted in each face, and the planar spiral winding 4 in each face is wound on each face by a conducting wire, plane spiral shell Every circle of spin line circle 4 is regular quadrangle, and the geometric center of every circle coil is respectively positioned on the center in each face of regular hexahedron, same All circle coils are respectively positioned in the same face in face, and each planar coil size is identical.
In order to keep structure simply portable, it is hollow regular polygon that 3 D stereo, which receives structure 3,.
Embodiment 4
As shown in figure 5, receiving structure 3 as the load carrier for receiving three dimensional emission coil 20 using 3 D stereo, three-dimensional is vertical It is positive tetrahedron that body, which receives structure 3, and positive tetrahedron includes that 4 regular triangulars are constituted, and each face is corresponding one positive three side Shape.
Ferrite is pasted in each face, and the planar spiral winding 4 in each face is wound on each face by a conducting wire, plane spiral shell Every circle of spin line circle 4 is regular triangular, and the geometric center of every circle coil is respectively positioned on the center in each face of positive tetrahedron, same All circle coils are respectively positioned in the same face in face, and each planar coil size is identical.
In order to keep structure simply portable, three-dimensional structure is hollow regular polygon.
In addition, every circle coil is all polygon corresponding with face where it in embodiment 3 and embodiment 4;It can also adopt It is all round or other polygons technical solutions with every circle coil.
Since the multidirectional transmitting three dimensional coils 10 of wireless power transmission have said effect, so having wireless power transmission more Also there is corresponding technical effect to the radio energy transmission system of transmitting three dimensional coils.
Further, the multidirectional reception three dimensional coils of wireless power transmission provided in this embodiment are received with 3 D stereo and are tied Structure 3 is as the load carrier for receiving three dimensional coils 20, and three-dimensional structure has symmetry and stability, is conducive to reality Existing multidirectional regulated power transmission;It is polyhedron that 3 D stereo, which receives structure 3, several sides are equipped with snail line Circle 4, to receive electromagnetic energy and electromagnetic energy to be converted to electric energy to realize the transmission of radio energy.With prior art phase Than the multidirectional three dimensional coils that receive of the wireless power transmission overcome the conventional coil structure of prior art use with orientation-sensitive Property limitation, but use three-dimensional structure, come so that the multidirectional reception three dimensional coils of the wireless power transmission can not only receive Radio energy from multiple and different directions, this three-dimensional structure transmitting coil are not only able to satisfy single supply, multiple and different positions The needs of the load while power supply set meet the needs of receiving coil high-freedom degree is mobile, and then promote wireless power transmission system The freedom degree and flexibility of system improve the spatially uniform in Transmission system magnetic field, reduce and receive three dimensional coils to emission system Dependence, realizes the regulated power transmission of the reception device of single source multiple load system and any spatial position, and then improves wireless The efficiency of transmission and transmission stability of electric energy transmission;Meanwhile the multidirectional reception three dimensional coils of the wireless power transmission also ensure The stability of energy transmission under multi-angle, reduces system bulk, and this multidirectional three-dimensional transmission coil device is suitable for space bit Set unfixed sports equipment power supply.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (10)

1. a kind of multidirectional transmitting three dimensional coils of wireless power transmission characterized by comprising three-dimensional skeleton (1);Wherein,
The three-dimensional skeleton (1) is the 3 D stereo of vertex connection by non-magnet material (12) for rib with iron core (11) Structure, using the load carrier as the transmitting three dimensional coils;
Transmitting coil (2) are arranged on each rib of the three-dimensional skeleton (1), for converting electrical energy into electromagnetic energy To be transmitted every sky.
2. the multidirectional transmitting three dimensional coils of wireless power transmission according to claim 1, which is characterized in that each transmitting Coil (2) is connected on high frequency electric source via tuning circuit.
3. the multidirectional transmitting three dimensional coils of wireless power transmission according to claim 2, which is characterized in that
The tuning circuit includes the capacitor and inductance element of serial or parallel connection, be used for so that each transmitting coil (2) it is humorous Vibration frequency is corresponding with the output frequency of the high frequency electric source.
4. the multidirectional transmitting three dimensional coils of wireless power transmission according to any one of claims 1 to 3, which is characterized in that institute Transmitting coil (2) is stated to be spirally wound on the rib of the three-dimensional skeleton (1).
5. the multidirectional transmitting three dimensional coils of wireless power transmission according to claim 4, which is characterized in that each emission lines The geometric center of circle (2) is overlapped setting with the geometric center of the rib of its winding.
6. the multidirectional transmitting three dimensional coils of wireless power transmission according to any one of claims 1 to 3, which is characterized in that institute State the three-dimensional structure that three-dimensional skeleton (1) is one or more polygons composition.
7. the multidirectional transmitting three dimensional coils of wireless power transmission according to claim 6, which is characterized in that
The three-dimensional skeleton (1) is hollow regular polygon.
8. the multidirectional transmitting three dimensional coils of wireless power transmission according to any one of claims 1 to 3, which is characterized in that institute Stating iron core (11) is cylindrical structure.
9. the multidirectional transmitting three dimensional coils of wireless power transmission according to any one of claims 1 to 3, which is characterized in that institute Iron core (11) is stated to be made up of Ferrite Material.
10. a kind of radio energy transmission system, which is characterized in that be provided with radio as described in any one of claim 1 to 9 Multidirectional transmitting three dimensional coils can be transmitted.
CN201820906473.1U 2018-06-12 2018-06-12 The multidirectional transmitting three dimensional coils of wireless power transmission and radio energy transmission system Active CN208368342U (en)

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