CN109455097A - A kind of segmented wireless charging system - Google Patents
A kind of segmented wireless charging system Download PDFInfo
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- CN109455097A CN109455097A CN201811625387.4A CN201811625387A CN109455097A CN 109455097 A CN109455097 A CN 109455097A CN 201811625387 A CN201811625387 A CN 201811625387A CN 109455097 A CN109455097 A CN 109455097A
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- 230000001154 acute effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005452 bending Methods 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application discloses a kind of segmented wireless charging system, including multiple charge coils, each charge coil includes stem, middle part and the tail portion that the number of turns is consistent, is formed into a loop by road direction connection；Wherein, multiple charge coils arrange on road direction according to same centre-height, inclination angle identical with road level plane, the distance between the tail portion of each charge coil and the adjacent stem of next charge coil are pre-determined distance, and projection of the tail portion of each charge coil on road direction, it can be overlapped with projection of the stem of next charge coil on road direction.Since coil vehicle-mounted in the present invention is by when reaching an overlapped stitchess tail portion while reaching the stem of next charge coil, vehicle-mounted coil cuts the transmission power of next charge coil when cutting out the transmission power of first charge coil, Distribution of Magnetic Field between charge coil is more balanced, power transmission fluctuation reduces, and extends the service life of on-vehicle battery.
Description
Technical field
The present invention relates to wireless power transmission technical field, in particular to a kind of segmented wireless charging system.
Background technique
In recent years, with gradually mature, the wireless charging of automobile batteries of the popularization of new-energy automobile and magnetic resonance theory
Also it has been to be concerned by more and more people, many depots all have been equipped with static wireless charging.In order to solve automobile batteries continuation of the journey
Bottleneck, on highway using dynamic radio charging scheme be suggested.Such scheme imagination is laid with a system under carriage way
Column transmitting coil, to the uninterrupted wireless charging of electric car in traveling, to effectively extend the mileage travelled of electric car.Root
According to layout type, transmitting coil can be divided into long guideway formula with two kinds of segmented.Long guideway formula can make in driving direction guarantee compared with
Long a distance transimission power is stablized, but leakage magnetic flux is larger, is lost also more serious；Segmented takes local power, referring to Fig. 1
It is shown, only start the transmitting coil of vehicle bottom when vehicle passes through coil, leakage magnetic flux and loss are all relatively small, but there are power
Violent problem is fluctuated in transmission, has larger impact to battery life.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that current those skilled in the art need to solve
Problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of power transmissions to fluctuate lesser segmented wireless charging system
System.Its concrete scheme is as follows:
A kind of segmented wireless charging system, including multiple charge coils, each charge coil include the number of turns one
It causes, by stem, middle part and the tail portion of road direction connection forming circuit；
Wherein, multiple charge coils are according to same centre-height, inclination angle identical with road level plane described
Arranged on road direction, between the tail portion of each charge coil and the stem of adjacent next charge coil away from
From for pre-determined distance, and projection of the tail portion of each charge coil on the road direction, with next charging
Projection of the stem of coil on the road direction can be overlapped.
Preferably, the inclination angle of the multiple charge coil and the road surface level is zero.
Preferably, the stem of each charge coil and tail portion are center symmetric relation.
Preferably, the stem of each charge coil and tail portion are the rectangle that width is less than the middle part of the charge coil
Frame.
Preferably, the ratio between the stem of each charge coil, middle part and width of tail portion are 2:5:2.
Preferably, the length ratio at the stem of each charge coil and middle part, tail portion and the length ratio at middle part are equal
For preset length ratio, the preset length is than any number between 1/3-1/2.
Preferably, the stem of each charge coil and tail portion are the right angle that width is equal to the middle part of the charge coil
Triangle frame.
Preferably, the angle of the right angle trigonometry frame of the middle part of each charge coil and stem, each described
The angle of the right angle trigonometry frame at the middle part and tail portion of charge coil is default angle, the default angle be greater than etc.
Any number in 15 ° and less than or equal to 45 °.
Preferably, multiple charge coils are square coil, and are acute angle with the inclination angle of the road surface level.
Preferably, the inclination angle of each charge coil and the road surface level is default inclination angle, and described preset is inclined
Angle is any number for being less than or equal to 15 ° greater than 0 °.
The invention discloses a kind of segmented wireless charging system, including multiple charge coils, each charge coil
It include stem, middle part and the tail portion that the number of turns is consistent, is formed into a loop by road direction connection；Wherein, multiple charge coils
It is arranged on the road direction according to same centre-height, inclination angle identical with road level plane, each charging cable
The distance between the tail portion of circle and the adjacent stem of next charge coil are pre-determined distance, and each charging cable
Projection of the tail portion of circle on the road direction, with the throwing of the stem of next charge coil on the road direction
Shadow can be overlapped.Due to specific Position Design between charge coil in the present invention, make the tail portion of each charge coil and next
Projection of the stem of coil on road direction can be overlapped, therefore vehicle-mounted coil is by reaching same when an overlapped stitchess tail portion
When reach the stem of next charge coil, vehicle-mounted coil cuts next fill when cutting out the transmission power of first charge coil
The transmission power of electric coil, the Distribution of Magnetic Field between charge coil is more balanced, and power transmission fluctuation reduces, and extends on-vehicle battery
Service life.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is that the coil row of segmented wireless charging system in the prior art lists intention；
Fig. 2 is the dynamic radio charging common circuit topology figure in field；
Fig. 3 lists intention for the coil row of segmented wireless charging system a kind of in the embodiment of the present invention；
Fig. 4 lists intention for the coil row of segmented wireless charging system a kind of in the embodiment of the present invention；
Fig. 5 is the corresponding reception power curve of segmented wireless charging system of the prior art；
Fig. 6 is a kind of reception power curve of segmented wireless charging system in the embodiment of the present invention；
Fig. 7 lists intention for the coil row of segmented wireless charging system a kind of in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of segmented wireless charging systems, including multiple charge coils, each described to fill
Electric coil includes stem, middle part and the tail portion that the number of turns is consistent, is formed into a loop by road direction connection；
Wherein, multiple charge coils are according to same centre-height, inclination angle identical with road level plane described
Arranged on road direction, between the tail portion of each charge coil and the stem of adjacent next charge coil away from
From for pre-determined distance, and projection of the tail portion of each charge coil on the road direction, with next charging
Projection of the stem of coil on the road direction can be overlapped.
It is understood that the concrete shape of charge coil is not prescribed by, but stem, middle part in each charge coil
It is consistent with tail portion the number of turns and connect into circuit, become a complete coil.In orientation, multiple charge coils are in road
Road arranges on direction, and road direction arrangement is also pressed in stem, middle part and the tail portion of each charge coil, and road direction here is true
Determine the vector direction of single direction, head and the tail are adjacent between charge coil, the stem of each charge coil and last charging cable
The tail portion of circle is separated by pre-determined distance, and the tail portion of each charge coil and the stem of next charge coil are separated by pre-determined distance.
Specifically, projection of the tail portion of each charge coil on the road direction, with next charging
Projection of the stem of coil on the road direction can be overlapped, it is meant that spatially the tail portion of each charge coil with it is next
Though the stem of a charge coil does not contact, the vehicle-mounted coil of electric car along road direction when driving, when vehicle-mounted coil
The tail portion of a charge coil is reached, while reaching the stem of next coil, therefore vehicle-mounted coil can receive front and back simultaneously
The transmission power of two charge coils.
In dynamic radio charging field, the circuit topology generallyd use is LCCL-LCCL, and as shown in Figure 2, wherein Lp is road
Charge coil on road surface, Ls are vehicle-mounted coil, and the reception power of vehicle-mounted coil is P2=I2U2, receive bus current and areWherein U2 is the voltage for the on-vehicle battery connecting with vehicle-mounted coil, is held essentially constant, M1 is charging cable
The mutual inductance of Lp and vehicle-mounted coil Ls are enclosed, U1 is the DC voltage of charge coil, and L1, L2 are auxiliary induction, and ω is resonance angular frequency.
It is learnt by analyzing above, in order to guarantee the reception power stability of vehicle-mounted coil, should guarantee that mutual inductance M1 stablizes as far as possible.
And when vehicle-mounted coil along road direction pass through a charge coil to work independently, mutual inductance M1 can change from small to big again by
Become smaller greatly, the variation tendency for receiving power P 2 is same.And according to the position distribution of charge coil in the present embodiment, vehicle-mounted line
Circle can receive the transmission power of former and later two charge coils simultaneously, then after first charge coil starts, under delayed startup
One charge coil, the mutual inductance of first charge coil tail portion and vehicle-mounted coil, with next coil stem and vehicle-mounted coil
Mutual inductance superposition, the transmission power fluctuation that vehicle-mounted coil receives are smaller.In order to realize this effect, between adjacent charge coil
It needs to be arranged appropriate pre-determined distance, while to guarantee the projection and the stem of latter charge coil of previous charge coil tail portion
Projection can be overlapped, and the percentage cooperation pre-determined distance that lap accounts for former projection is designed.
The invention discloses a kind of segmented wireless charging system, including multiple charge coils, each charge coil
It include stem, middle part and the tail portion that the number of turns is consistent, is formed into a loop by road direction connection；Wherein, multiple charge coils
It is arranged on the road direction according to same centre-height, inclination angle identical with road level plane, each charging cable
The distance between the tail portion of circle and the adjacent stem of next charge coil are pre-determined distance, and each charging cable
Projection of the tail portion of circle on the road direction, with the throwing of the stem of next charge coil on the road direction
Shadow can be overlapped.Due to specific Position Design between charge coil in the present invention, make the tail portion of each charge coil and next
Projection of the stem of coil on road direction can be overlapped, therefore vehicle-mounted coil is by reaching same when an overlapped stitchess tail portion
When reach the stem of next charge coil, vehicle-mounted coil cuts next fill when cutting out the transmission power of first charge coil
The transmission power of electric coil, the Distribution of Magnetic Field between charge coil is more balanced, and power transmission fluctuation reduces, and extends on-vehicle battery
Service life.
The embodiment of the invention discloses a kind of specific segmented wireless charging systems, relative to a upper embodiment, this reality
It applies example and further instruction and optimization has been made to technical solution.It is specific:
The inclination angle of the multiple charge coil and the road surface level is zero.
It is understood that inclination angle be zero mean charge coil tiling be mounted in road surface level, with the prior art
Fig. 1 it is similar, but at this time charge coil need to meet " tail portion of each charge coil road direction projection and next fill
The stem of electric coil can be overlapped in the projection of road direction " requirement, therefore the shape of charge coil and unconventional rectangle,
But the polymorphic structure that other stem tail portions can cooperate.
Further, the stem of each charge coil and tail portion are center symmetric relation.
It is understood that cooperate between centrosymmetric charge coil it is more convenient, as the stem in charge coil
With the concrete shape of tail portion, rectangular shaped rim can be, be also possible to right angle frame, can also be other shapes, here not
Its concrete shape is limited, but preferential selection technique production is simple, the preferable scheme of effect.
Specifically, when the stem of each charge coil and tail portion are the rectangular edges that width is less than the middle part of the charge coil
Frame, as shown in figure 3,For road direction, in charge coil ABCDEFGH, stem is rectangle A ' ABC, and tail portion is rectangle E '
EFG, it is readily understood that middle part is rectangle A ' DE ' H.
As a preferred solution, be usually arranged each charge coil stem, middle part and the width of tail portion it
Than determining the gap of former and later two charge coils perpendicular to road for AB:A ' D:EF=2:5:2 in 2:5:2 namely Fig. 3
Width on direction；Similar, the stem of each charge coil and length ratio, tail portion and the middle part at middle part are usually set
Length ratio be preset length ratio, the preset length than between 1/3-1/2 any number namely Fig. 3 in AA ': AH
=E ' E:DH=N, wherein the value range of preset length ratio N is between 1/3-1/2.
In addition to this, the lap A " E ", lap A " E " and stem of projection have also been marked in Fig. 3 with overstriking line segment
Gap width in road direction of the length of AA ' or tail portion EE ' than determining former and later two charge coils, this length is than one
As be set between 0.6-0.8.
Or each charge coil stem and tail portion be width be equal to the charge coil middle part right angle
Triangle frame, as shown in figure 4,For road direction, in charge coil ABCD, stem is right angle trigonometry frame A ' AB, and tail portion is
Right angle trigonometry frame C ' CD, it is easy to which available middle part is rectangle A ' BC ' D, has marked the weight of projection in figure with overstriking line segment
Gap of the length than determining former and later two charge coils of folded part A " C ", lap A " C " and stem AA ' or tail portion EE '
In the width of road direction, this length than is generally set between 0.6-0.8.
Specifically, the angle of the right angle trigonometry frame at the middle part and stem of each charge coil, each described
The angle of the right angle trigonometry frame at the middle part and tail portion of charge coil is default angle, the default angle be greater than etc.
Any number in 15 ° and less than or equal to 45 °.
The value of default angle is usually chosen to be ∠ ABA'=∠ in 30 ° namely Fig. 4 by embodiment as one preferred
CDC'=30 °.
The manufacture craft of rectangular emanation coil in compared with the prior art, the charge coil in the present embodiment can be more complicated
It is some, wherein square frame cannot be used on the shelling machine of charge coil, and will be using the abnormity of cooperation charge coil structure
Structure increased in cost；The rectangular emanation coil of the prior art is rearranged using same square core, the present embodiment
In the magnetic sheet of charge coil need by special cutting, arrangement；Litz wire bending in coiling charge coil in the present embodiment
It is more.
Different segmented wireless charging systems is tested, the reception function of vehicle-mounted coil when electric car crosses is obtained
Rate curve, wherein Fig. 5 corresponding diagram 1, Fig. 6 corresponding diagram 3, it can be clearly seen that, the power transmission fluctuation of the present embodiment may be significantly smaller.
The embodiment of the invention discloses a kind of specific segmented wireless charging systems, relative to a upper embodiment, this reality
It applies example and further instruction and optimization has been made to technical solution.
It specifically, the multiple charge coil is square coil, and is acute angle with the inclination angle of the road surface level.
It is shown in Figure 7,For road direction, the stem of each charge coil ABCD is rectangle A ' ABB ' in figure, and tail portion is
Rectangle C ' CDD ', middle part are rectangle A ' B ' C ' D ', and the inclination angle with road surface level is default inclination angle theta, and usually default inclination angle theta is
It is less than or equal to 15 ° of any number greater than 0 °, dash area is what former and later two charge coils were projected in road surface level in figure
Lap.Stem, middle part and the tail portion that can be seen that charge coil in the present embodiment, actually by a complete square
What shape coil was determined according to the positional relationship with adjacent rectangle coil.
In the present embodiment, the production of charge coil is same as the prior art, but has inclination angle with road surface level when installation,
It is observed in space vertical angles, it can be seen that the projection weight of the stem of the tail portion of a charge coil and next charge coil
It is folded, therefore also reached while vehicle-mounted coil passes through previous charge coil tail portion and passed through next charge coil stem effect, from
And mutual inductance is superimposed, and reduces the fluctuation that vehicle-mounted coil receives power.
Specifically, when using Fig. 7 as with reference to actual coil installation is carried out, it is general using reversed installation, it first places last
One charge coil, on the stem that the tail portion of previous charge coil is carried to the latter charge coil, successively by this rule
Installation, last entirety are potted in underground.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of segmented wireless charging system provided by the present invention is described in detail above, it is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand originally
The method and its core concept of invention；At the same time, for those skilled in the art, according to the thought of the present invention, specific
There will be changes in embodiment and application range, in conclusion the content of the present specification should not be construed as to of the invention
Limitation.
Claims (10)
1. a kind of segmented wireless charging system, which is characterized in that including multiple charge coils, each charge coil is wrapped
Include stem, middle part and the tail portion that the number of turns is consistent, is formed into a loop by road direction connection；
Wherein, multiple charge coils are according to same centre-height, inclination angle identical with road level plane in the road
It is arranged on direction, the tail portion of each charge coil and the distance between the stem of adjacent next charge coil are
Pre-determined distance, and projection of the tail portion of each charge coil on the road direction, with next charge coil
Projection of the stem on the road direction can be overlapped.
2. segmented wireless charging system according to claim 1, which is characterized in that
The inclination angle of the multiple charge coil and the road surface level is zero.
3. segmented wireless charging system according to claim 2, which is characterized in that
The stem of each charge coil and tail portion are center symmetric relation.
4. segmented wireless charging system according to claim 3, which is characterized in that
The stem of each charge coil and tail portion are the rectangular shaped rim that width is less than the middle part of the charge coil.
5. segmented wireless charging system according to claim 4, which is characterized in that
The ratio between stem, middle part and width of tail portion of each charge coil are 2:5:2.
6. segmented wireless charging system according to claim 5, which is characterized in that the stem of each charge coil with
Length ratio, tail portion and the length ratio at middle part at middle part are preset length ratio, and the preset length is than between 1/3-1/2
Any number.
7. segmented wireless charging system according to claim 3, which is characterized in that
The stem of each charge coil and tail portion are the right angle trigonometry frame that width is equal to the middle part of the charge coil.
8. segmented wireless charging system according to claim 7, which is characterized in that the middle part of each charge coil with
The angle of the right angle trigonometry frame of stem, the middle part of each charge coil and tail portion the right angle trigonometry frame
Angle is default angle, and the default angle is any number more than or equal to 15 ° and less than or equal to 45 °.
9. segmented wireless charging system according to claim 1, which is characterized in that multiple charge coils are rectangle
Coil, and be acute angle with the inclination angle of the road surface level.
10. segmented wireless charging system according to claim 9, which is characterized in that each charge coil with it is described
The inclination angle of road surface level is default inclination angle, and the default inclination angle is any number for being less than or equal to 15 ° greater than 0 °.
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| CN201811625387.4A CN109455097B (en) | 2018-12-28 | 2018-12-28 | Sectional type wireless charging system |
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| CN201811625387.4A CN109455097B (en) | 2018-12-28 | 2018-12-28 | Sectional type wireless charging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601381A (en) * | 2019-10-29 | 2019-12-20 | 广东工业大学 | Non-contact power rail mobile power supply device and voltage-stabilizing output control method |
| CN111509866A (en) * | 2020-03-31 | 2020-08-07 | 中国科学院电工研究所 | Multi-receiving-coil rail transit contactless power supply device with segmented transmitting coils |
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| CN111509866A (en) * | 2020-03-31 | 2020-08-07 | 中国科学院电工研究所 | Multi-receiving-coil rail transit contactless power supply device with segmented transmitting coils |
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| CN109455097B (en) | 2024-02-13 |
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