CN104810933B - The osmosis type guide rail structure powered for electric automobile dynamic radio - Google Patents
The osmosis type guide rail structure powered for electric automobile dynamic radio Download PDFInfo
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- CN104810933B CN104810933B CN201510216700.9A CN201510216700A CN104810933B CN 104810933 B CN104810933 B CN 104810933B CN 201510216700 A CN201510216700 A CN 201510216700A CN 104810933 B CN104810933 B CN 104810933B
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Abstract
The invention discloses a kind of osmosis type guide rail structure powered for electric automobile dynamic radio, including guide rail coil and magnetic core, the magnetic core is uniformly distributed into two rows along rail length direction, and the guide rail coil is segmented coiling along rail length direction and fitted with the magnetic core, it is characterised in that：Changeover portion is provided at both ends with each section of guide rail coil, the changeover portion of adjacent two sections of guide rail coils is mutually overlapped, and projection of the changeover portion of wherein one section guide rail coil in rail length direction is at least part of to be located on the changeover portion of another section of guide rail coil, power back-off coil is also wound with the changeover portion at every section of guide rail coil two ends, and the power back-off coil with the guide rail coil is formed by same excitation wire continuous coiling.Its remarkable result is：Mutual inductance on changeover portion being capable of smooth transition, it is ensured that the reliable injection of electrical supply rail energy, maintains the stabilization of pick-up voltage, the reliability and stability of system are higher.
Description
Technical field
It is a kind of for oozing that electric automobile dynamic radio is powered specifically the present invention relates to wireless power technology
Saturating type guide rail structure.
Background technology
In recent years, in order to solve short electric automobile course continuation mileage and on-vehicle battery group heaviness and high cost the problems such as.People
The dynamic inductive power supply technology of the electric automobile based on non-contact type electric energy transmission principle is proposed, it can be to run in journey
Electric automobile provides online power supply or charge function, so that the weight of on-vehicle battery group is reduced, while reducing electric automobile
Holistic cost, extends the course continuation mileage of electric automobile.
And in the electric automobile dynamic radio electric power system based on electromagnetic induction principle, shoe is generally up to number public affairs
In or dozens of kilometres, electric current therein is usually kilohertz, tens of or even hundreds of amperes high-frequency ac.Led to reduce
Loss on rail, it will usually use multistage subsection Guide Rail Design.
As shown in figure 1, using segmentation cascade guide rail form as energy transmitter structure, each guide rail is become by simple electric energy
Changing device obtains energy from power network, when running car is above a certain section of guide rail, corresponds to that section of guide rail energization work, passes through
Guide rail subsection setup, reduces the energy transmission efficiency used line amount, effectively improve system of single hop guide rail.
But the problem of it is present is：
The trigger mechanism of existing segmentation cascade guide rail form, its single hop guide rail is usually arranged as rectangular configuration, with car
Movement, guide rail area can be divided into non-access area, access area and normal power supply region, be accessed when mechanism for picking enters
During region, its corresponding guide rail energization work, and other guide rails are in holding state.Thus since, if complete with mechanism for picking
It is co-ordinate zero point into access area, with the increase of mechanism for picking displacement, the mutual inductance value changes of electromagnetic coupling mechanisms are such as
Shown in Fig. 2.
As seen in Figure 2, in access area, the mutual inductance value changes amplitude of electromagnetic coupling mechanisms is larger, and picks up electricity
Pressure is proportional relation with mutual inductance value, so the amplitude of variation in access area pick-up voltage is larger.It is horizontal seat at the time of the change of current
When being designated as 0, pick-up voltage value is very small, and this not providing sufficiently large for electric automobile in access area energy shoe
Driving power, so as to cause change of current decompression problem.
The content of the invention
It is a kind of for oozing that electric automobile dynamic radio is powered it is an object of the invention to propose in order to solve the above problems
Saturating type guide rail structure, change of current decompression is solved the problems, such as by the improvement to guide rail structure.
To reach above-mentioned purpose, the technical solution adopted in the present invention is as follows：
A kind of osmosis type guide rail structure powered for electric automobile dynamic radio, including guide rail coil and magnetic core, it is described
Magnetic core is uniformly distributed into two rows along rail length direction, the guide rail coil along rail length direction be segmented coiling and with the magnetic
Core is fitted, and its key is：Changeover portion, the changeover portion of adjacent two sections of guide rail coils are provided at both ends with each section of guide rail coil
Mutual overlap joint, and wherein one section guide rail coil projection of the changeover portion in rail length direction it is at least part of be located at it is another
On the changeover portion of section guide rail coil, power back-off coil is also wound with the changeover portion at every section of guide rail coil two ends, and it is described
Power back-off coil with the guide rail coil is formed by same excitation wire continuous coiling.
The present invention is by two sections of adjacent guide rail Cross slot interferences, while increasing power back-off coil so that electric automobile dynamic
Electromagnetic inductance of the wireless power guide rail on changeover portion can accomplish smooth transition, it is ensured that pick up the steady of end pick-up voltage
It is fixed, improve the safety and reliability of system.
As further describing, the guide rail coil is planar coil, and the changeover portion of the guide rail coil one end is set to raised
Structure, the changeover portion of the other end is set to the sunk structure matched with the bulge-structure, and adjacent two sections of guide rail coils pass through recessed
It is convex to coordinate overlap joint.
Further, the bulge-structure on the guide rail coil changeover portion is located at the side or centre of coil end face.
As another implementation, the guide rail coil is planar coil, and the changeover portion at the guide rail coil two ends is set to
Triangle is trapezoidal, and adjacent two sections of guide rail coils coordinate overlap joint by hypotenuse on changeover portion or trapezoidal hypotenuse.
Yet further, the power back-off coil is planar coil, and the power back-off coil winding is in the guide rail line
Enclose above or below the changeover portion of two ends, and the shape of the power back-off coil and the shape of the guide rail coil two ends changeover portion
It is adapted.
Preferably, the number of turn of the power back-off coil is more than or equal to the number of turn of the guide rail coil.
The present invention remarkable result be：Although being powered using multistage guide rail segmented dynamic radio, by by transition
Section Cross slot interference, while adding power bucking coil so that mutual inductance on changeover portion being capable of smooth transition, it is ensured that power supply
The reliable injection of guide rail energy, maintains the stabilization of pick-up voltage, and the reliability and stability of system are higher.
Brief description of the drawings
Fig. 1 is the theory diagram of electric automobile dynamic radio electric power system；
Fig. 2 is existing dynamic radio electric power system mutual inductance with the change curve for moving horizontally distance；
Fig. 3 is the guide rail structure schematic diagram of first embodiment of the invention；
Fig. 4 is two sections of guide rails infiltration graph of a relation of first embodiment of the invention；
Fig. 5 is the mutual inductance change curve of first embodiment of the invention；
Fig. 6 is the guide rail structure schematic diagram of second embodiment of the invention, and wherein Fig. 6 (a) is two sections of guide rail infiltration graphs of a relation,
Fig. 6 (b) is the partial schematic diagram of changeover portion；
Fig. 7 is the mutual inductance change curve of second embodiment of the invention；
Fig. 8 is the guide rail structure schematic diagram of third embodiment of the invention, and wherein Fig. 8 (a) is two sections of guide rail infiltration graphs of a relation,
Fig. 8 (b) is the partial schematic diagram of changeover portion；
Fig. 9 is the mutual inductance change curve of third embodiment of the invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figure 3-Figure 5, a kind of osmosis type guide rail structure powered for electric automobile dynamic radio, including guide rail line
Circle 1 and magnetic core 2, the magnetic core 2 is uniformly distributed into two rows along rail length direction, and the guide rail coil 1 is along rail length direction
Segmentation coiling is simultaneously fitted with the magnetic core 2, and changeover portion, adjacent two sections of guide rail lines are provided at both ends with each section of guide rail coil 1
Circle 1 changeover portion mutually overlap, and wherein one section guide rail coil 1 changeover portion rail length direction projection at least one
Part is located on the changeover portion of another section of guide rail coil 1, and power benefit is also wound with the changeover portion at every section of two ends of guide rail coil 1
Coil 3 is repaid, and the power back-off coil 3 with the guide rail coil 1 is formed by same excitation wire continuous coiling.
The guide rail coil 1 is can be seen that for planar coil from Fig. 3-Fig. 4, and the changeover portion of the one end of guide rail coil 1 is set to
Bulge-structure, the changeover portion of the other end is set to the sunk structure matched with the bulge-structure, and adjacent two sections of guide rail coils lead to
Male-female engagement is crossed to overlap, and the bulge-structure on the changeover portion of guide rail coil 1 is located at the side of coil end face.
It is ζ with the number of turn ratio of guide rail coil 1 to make the number of turn of power back-off coil 3.With access area and normal power supply area
The critical point in domain is 0 point of coordinate, and pick-up winding is in the surface of power back-off coil 3, when pick-up winding is moved horizontally, not
Under same ζ, the mutual inductance change curve of the electromagnetic coupling mechanisms is as shown in Figure 5.
Guide rail structure constructed by the present embodiment can also have certain perturbation in the mutual inductance that access area is provided, so
And compared with the ordinary rectangular guide rail shown in Fig. 2, perturbation range is comparatively stablized.In addition by adjusting ζ value, it can adjust
The value of access area mutual inductance, more than in several ζ values, when ζ=1.5,1.75, the perturbation range of mutual inductance compared with
Small, the perturbation of its pick-up voltage is smaller, and is not in decompression phenomenon.
Embodiment 2：
As shown in fig. 6, the difference of embodiment 2 and embodiment 1 is, the bulge-structure on the changeover portion of guide rail coil 1
Positioned at the centre of coil end face, and also it is wound with the adaptable power back-off coil of shape, as seen in Figure 7, this example
Middle head and the tail realize interpenetrating between two sections of guide rails by " bumps " structure, as pick-up winding moves horizontally distance change,
" recessed " the type structure of the electromagnetic coupling mechanisms can provide more stable mutual inductance value, especially as ζ=1.25, its mutual inductance value
Stablize the most relatively.
Embodiment 3：
As shown in figure 8, the difference of the present embodiment and other embodiments is, the guide rail coil 1 is planar coil, and this is led
The changeover portion at the two ends of path circle 1 is set to triangle or trapezoidal, and adjacent two sections of guide rail coils 1 by changeover portion triangle it is oblique
Side or trapezoidal hypotenuse coordinate overlap joint.
Using the guide rail structure designed by the present embodiment, the mutual inductance value of its electromagnetic coupling mechanisms with pick-up winding move horizontally away from
From change curve as shown in figure 9, as ζ ＞ 1, the mutual inductance value of electromagnetic coupling mechanisms in most of region will be greater than in access area
The mutual inductance value of normal operation region, if the voltage regulation way at pickup end is boosting, the structure is not suitable for, if pickup end voltage stabilizing is drop
Pressure, then the structure is more easy to meet system requirements.
In above-mentioned various embodiments, the power back-off coil 3 is planar coil, the coiling of power back-off coil 3
Above or below the two ends changeover portion of guide rail coil 1, and the shape of the power back-off coil 3 and the guide rail coil 1
The shape of two ends changeover portion is adapted, and in order to meet the stabilization of pick-up voltage, can be seen that by the change curve of mutual inductance
When implementing, the number of turn of the power back-off coil 3 should be more than or equal to the number of turn of the guide rail coil 1.
Claims (5)
1. a kind of osmosis type guide rail structure powered for electric automobile dynamic radio, including guide rail coil (1) and magnetic core (2),
The magnetic core (2) is uniformly distributed into two rows along rail length direction, and the guide rail coil (1) is segmented coiling along rail length direction
And fitted with the magnetic core (2), it is characterised in that：Changeover portion, adjacent two sections are provided at both ends with each section of guide rail coil (1)
The changeover portion of guide rail coil (1) is mutually overlapped, and wherein one section guide rail coil (1) changeover portion rail length direction throwing
Shadow is at least part of to be located on the changeover portion of another section of guide rail coil (1), at the changeover portion at every section of guide rail coil (1) two ends
Power back-off coil (3) is also wound with, and the power back-off coil (3) and the guide rail coil (1) they are by same excitation
Line continuous coiling is formed；
The guide rail coil (1) is planar coil；
The power back-off coil (3) is planar coil, and the power back-off coil (3) is wound on guide rail coil (1) two ends
Above or below changeover portion, and the shape of the power back-off coil (3) and the shape of guide rail coil (1) two ends changeover portion
It is adapted.
2. the osmosis type guide rail structure according to claim 1 powered for electric automobile dynamic radio, it is characterised in that：
The changeover portion of guide rail coil (1) one end is set to bulge-structure, and the changeover portion of the other end is set to match with the bulge-structure
Sunk structure, adjacent two sections of guide rail coils are overlapped by male-female engagement.
3. the osmosis type guide rail structure according to claim 2 powered for electric automobile dynamic radio, it is characterised in that：
Bulge-structure on guide rail coil (1) changeover portion is located at the side or centre of coil end face.
4. the osmosis type guide rail structure according to claim 1 powered for electric automobile dynamic radio, it is characterised in that：
The guide rail coil (1) is planar coil, and the changeover portion at guide rail coil (1) two ends is set to triangle or trapezoidal, and adjacent two
Section guide rail coil (1) is coordinated by hypotenuse on changeover portion or trapezoidal hypotenuse to be overlapped.
5. the osmosis type guide rail structure according to claim 1 powered for electric automobile dynamic radio, it is characterised in that：
The number of turn of the power back-off coil (3) is more than or equal to the number of turn of the guide rail coil (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216700.9A CN104810933B (en) | 2015-04-30 | 2015-04-30 | The osmosis type guide rail structure powered for electric automobile dynamic radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216700.9A CN104810933B (en) | 2015-04-30 | 2015-04-30 | The osmosis type guide rail structure powered for electric automobile dynamic radio |
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| Publication Number | Publication Date |
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| CN104810933A CN104810933A (en) | 2015-07-29 |
| CN104810933B true CN104810933B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510216700.9A Active CN104810933B (en) | 2015-04-30 | 2015-04-30 | The osmosis type guide rail structure powered for electric automobile dynamic radio |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406563B (en) * | 2015-11-24 | 2018-04-24 | 东南大学 | A kind of electric automobile dynamic radio electric power system is segmented transmitting coil switching method |
| CN106887902B (en) * | 2017-03-21 | 2019-04-16 | 重庆大学 | The electromagnetic coupling mechanisms of electric vehicle wireless power |
| CN108819793B (en) * | 2018-08-20 | 2022-05-24 | 广西电网有限责任公司电力科学研究院 | Dual-mode electric vehicle dynamic wireless charging system and control method thereof |
| CN109572458B (en) * | 2018-12-25 | 2024-05-28 | 华北电力大学（保定） | Dynamic wireless charging system of dual-band electric automobile and guide rail switching method thereof |
| CN111845389B (en) * | 2019-04-28 | 2022-06-07 | 中车株洲电力机车研究所有限公司 | Energy transmission device |
| CN111016693B (en) * | 2019-11-27 | 2021-03-09 | 上海电机学院 | Wireless charging system of electric steam suitable for under multi-angle bend |
| 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 |
| CN111681860B (en) * | 2020-05-17 | 2024-02-27 | 上海电机学院 | Magnetic coupling resonance trolley dynamic wireless charging primary side transmitting coil |
| CN112564301A (en) * | 2020-12-09 | 2021-03-26 | 国网江苏省电力有限公司 | Cross coupling suppression structure and method in guide rail type wireless power transmission system |
| CN113300480B (en) * | 2021-06-07 | 2023-03-31 | 哈尔滨工业大学 | Two-phase X-shaped dynamic wireless power supply guide rail with strong lateral movement capability and constant received power |
| CN114334437B (en) * | 2022-01-07 | 2023-06-30 | 重庆前卫无线电能传输研究院有限公司 | Winding method of energy transmitting coil and multi-stage guide rail wireless energy transmission system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120105002A1 (en) * | 2010-10-29 | 2012-05-03 | Alevo, Inc | Method and apparatus for automated charging of electrically powered moving objects |
| CN102693819B (en) * | 2012-06-04 | 2016-01-20 | 南京航空航天大学 | Rail mounted non-contact transformer and the former limit winding arrangement method of magnetic can be gathered |
| CN102856964B (en) * | 2012-10-10 | 2014-12-10 | 中国矿业大学 | Three-phase wireless charging system and charging method for electric automobile |
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Effective date of registration: 20200824 Address after: 402760 No. 92 Donglin Avenue, Biquan Street, Bishan District, Chongqing (No. 52 Factory Building) Patentee after: Chongqing Huachuang Intelligent Technology Research Institute Co.,Ltd. Address before: No.5-2, no.66-1, shabin Road, Shapingba District, Chongqing Patentee before: Wang Zhihui Effective date of registration: 20200824 Address after: No.5-2, no.66-1, shabin Road, Shapingba District, Chongqing Patentee after: Wang Zhihui Address before: 400044 Shapingba street, Shapingba District, Chongqing, No. 174 Patentee before: Chongqing University |
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