CN204732942U - The electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner - Google Patents
The electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner Download PDFInfo
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- CN204732942U CN204732942U CN201520278261.XU CN201520278261U CN204732942U CN 204732942 U CN204732942 U CN 204732942U CN 201520278261 U CN201520278261 U CN 201520278261U CN 204732942 U CN204732942 U CN 204732942U
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- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model discloses a kind of electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner, comprise power supply, heterogeneous high-frequency inversion network, former limit heterogeneous resonance compensation network, the heterogeneous guide rail mechanism in former limit, secondary magnetic energy mechanism for picking, secondary resonance compensation network, transformation of electrical energy and charging network and on-vehicle battery, by electromagnetic induction coupling principle, realize dynamically charging to the electric automobile in traveling.The utility model, by optimizing each phase guide rail cable position layout, realizes the approximate equalization of road surface internal magnetic field on a large scale, ensures still to ensure efficient Energy Transfer when freely travelling in electric automobile is on a large scale, thus efficiently charges for on-vehicle battery.The utility model has automobile, and to control difficulty low, and construction cost is low, and charge efficiency is high, and electric automobile such as freely can to travel at the advantage.
Description
Technical field
The utility model relates to dynamic induction charging field, electric automobile road surface, specifically a kind of electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner.
Background technology
Inductively coupled power transfer technology is by electromagnetic induction coupling principle, achieve the near radio transmission of electric energy, solve the problem such as device wearing and tearing, loose contact, contact sparking that conventional contact powder technology brings, there is the advantages such as safe, flexible, convenient, attractive in appearance.Guide tracked inductively coupled power transfer technology has wide market application foreground in the large merit power mobile devices wireless power field such as rail electric locomotive, electric automobile, harbour straddle truck, elevator.Extensively the guide tracked inductively coupled power transfer system of research and apply substantially all adopts single-phase guide rail topological structure at present, rail electric locomotive, harbour straddle truck, elevator etc. are had to the equipment of trapped orbit operation, the guide tracked inductively coupled power transfer system of this pattern due to secondary mechanism for picking relative fixing with former limit guide rail position, the equipment that can ensure ensures that in moving process efficient energy picks up all the time.And for the unfixed mobile device of the running orbits such as electric automobile, there is following problem in single-phase guide rail type inductively electric energy powering mode: single-phase guide rail type inductively coupled power transfer system requires higher to the horizontal relative positional accuracy between mechanism for picking and former limit guide rail, mechanism for picking laterally departs from directly over guide rail slightly, and pickup power will be greatly affected.But because electric automobile is all for there being people to drive, and the mankind can not drive a car and realize high-precision positioning requirements like this.Therefore, in order to realize electric automobile efficiently energy pickup in the process of moving, usually adopt and strengthen mechanism for picking or install high-precision track placer additional for electric automobile, this creates the equipment cost of costliness to a certain extent.And due to external factors such as the own errors of positioner, electric motor car can not ensure that in running efficient energy picks up all the time.
Summary of the invention
The purpose of this utility model is the defect existed to overcome prior art, a kind of simplicity of design, the guide tracked inductively coupled power transfer system that with low cost, electric automobile one-movement-freedom-degree is high are provided, ensure that the rail-free mobile device such as electric automobile efficient energy in running picks up, and without the need to the tracks positioned technology of costliness and device.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner, comprise power supply and on-vehicle battery, also comprise, heterogeneous high-frequency inversion network, heterogeneous resonance compensation network, the heterogeneous guide rail mechanism in former limit, secondary magnetic energy mechanism for picking, secondary resonance compensation network, transformation of electrical energy and charging network;
The secondary magnetic energy mechanism for picking that can move freely is provided with above the array of the heterogeneous guide rail mechanism in former limit;
Power supply provides direct current, direct current is after heterogeneous high-frequency inversion network and heterogeneous resonance compensation network, high-frequency alternating current is produced in the heterogeneous guide rail mechanism in former limit, form Mutual Inductance Coupling magnetic field between the heterogeneous guide rail mechanism in former limit and secondary magnetic energy mechanism for picking, the magnetic energy of pickup is given charging on-vehicle battery by secondary magnetic energy mechanism for picking after secondary resonance compensation network and transformation of electrical energy and charging network.
Further, the inverter used in heterogeneous high-frequency inversion network is the heterogeneous high-frequency inverter of full-bridge type, for producing the high-frequency alternating current of about 20kHz in each phase guide rail coil of former limit;
Further, described heterogeneous resonance compensation network and secondary resonance compensation network adopt series, parallel or LCL resonance topological to connect;
Further, described former limit heterogeneous guide rail mechanism array adopts triangular form mode or star-like mode to connect;
Further, described secondary magnetic energy mechanism for picking is cuboid mechanism, coiling three dimensional coils in rectangular parallelepiped core mechanism;
Further, on described secondary magnetic energy mechanism for picking, the three dimensional coils of coiling is after compensating network, connect into series connected mode after first rectification, ensure that effective superposition of each coil mechanism interrogation energy, for follow-up transformation of electrical energy and charging network provide maximum direct voltage.
Compared with prior art, the electric automobile road surface dynamic high-efficiency induction charging system of a kind of rail-free positioner that the utility model proposes, by optimizing each phase guide rail cable position layout, realize the approximate equalization of road surface internal magnetic field on a large scale, ensure still to ensure efficient Energy Transfer when freely travelling in electric automobile is on a large scale, thus efficiently charge for on-vehicle battery.Adopt heterogeneous guide rail layout, reduce the hi-Fix requirement of mechanism for picking, realize the constant pickup of power on a large scale with a simple mechanism for picking.The utility model overcomes in the guide tracked inductively coupled power transfer device of traditional single phase, the mechanism for picking that electric automobile is installed needs accurately former limit, location guide rail coil, transverse movable scope is little, power delivery capabilities has a strong impact on by former limit guide rail position, the shortcomings such as electric automobile one-movement-freedom-degree is limited.Having automobile, to control difficulty low, and construction cost is low, and charge efficiency is high, and electric automobile such as freely can to travel at the advantage.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model.
Fig. 2 is three-phase high-frequency inversion main circuit schematic diagram of the present utility model.
Fig. 3 is the star-like connection diagram of the three-phase guide rail mechanism of the utility model embodiment.
Fig. 4 is the triangular form connection diagram of the three-phase guide rail mechanism of another embodiment of the utility model.
Fig. 5 is the orthogonal coiling schematic diagram of magnetic path of the present utility model and mechanism for picking.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner, comprise power supply and on-vehicle battery, it is characterized in that: also comprise, heterogeneous high-frequency inversion network, heterogeneous resonance compensation network, the heterogeneous guide rail mechanism in former limit, secondary magnetic energy mechanism for picking, secondary resonance compensation network, transformation of electrical energy and charging network;
The secondary magnetic energy mechanism for picking that can move freely is provided with above the array of the heterogeneous guide rail mechanism in former limit;
Power supply provides direct current, direct current is after heterogeneous high-frequency inversion network and heterogeneous resonance compensation network, high-frequency alternating current is produced in the heterogeneous guide rail mechanism in former limit, form Mutual Inductance Coupling magnetic field between the heterogeneous guide rail mechanism in former limit and secondary magnetic energy mechanism for picking, the magnetic energy of pickup is given charging on-vehicle battery by secondary magnetic energy mechanism for picking after secondary resonance compensation network and transformation of electrical energy and charging network.
Further, the inverter used in heterogeneous high-frequency inversion network is the heterogeneous high-frequency inverter of full-bridge type, for producing the high-frequency alternating current of about 20kHz in each phase guide rail coil of former limit.Fig. 2 is the three-phase guide rail-type inductive electric energy transmission system high-frequency inverter circuit of the utility model embodiment, and this high-frequency inverter circuit can adopt voltage-type or current-mode inverter circuit; For voltage-type full bridge inverter, input dc power Vin sends into the three-phase inverting circuit be made up of S1 ~ S6 switching device after the filter circuit that Lf, Cf form, and by effectively controlling this inverter circuit, exports A, B, C three-phase high-frequency alternating current.
Further, described heterogeneous resonance compensation network and secondary resonance compensation network adopt series, parallel or LCL resonance topological to connect.Parallel three phase resonance connects, and is mainly used in current mode three-phase inverter; Three-phase series resonance connects, and is mainly used in voltage-type three-phase inverter; For LCL resonance topological connected mode, by Rational choice resonant network parameter, only have active power to be delivered to secondary, and reactive power all circulates in lc circuit, thus decrease input power grade; LCL resonant network employs voltage to current converter simultaneously provides constant track electric current, has higher power factor.For different circuit working occasion, choose reasonable resonance compensation mode, can reactive power in effectively minimizing system, improves power delivery capabilities and the efficiency of system.
Further, described former limit heterogeneous guide rail mechanism array adopts triangular form mode or star-like mode to connect.Fig. 3 and Fig. 4 is the connected mode schematic diagram of the three-phase guide rail-type inductive electric energy transmission system guide rail of the utility model embodiment, and wherein, Fig. 3 adopts star-like connected mode, and Fig. 4 adopts triangular form connected mode; Three-phase alternating current A, B, C phase place that high-frequency inverter circuit produces differs 120 degree successively, A+, B+, C+ are connected with A, B, C respectively, because electric current in A-, B-, C-is contrary with A+, B+, C+ sense of current, therefore, in A-, B-, C-, current ratio A+, B+, C+ phase place fall behind 180 degree successively, by balanced distribution three phase orbit, thus produce the high-frequency ac guide rail layout that A+, C-, B+, A-, C+, a B-respectively differ 60 degree mutually.The heterogeneous guide rail mechanism in former limit adopts heterogeneous guide rail topology, heterogeneous guide rail layout decreases the hi-Fix requirement of mechanism for picking, use a simple mechanism for picking can realize the constant pickup of power on a large scale, by suitable space and electrical isolation, between each phase magnetic field, produce constructive interference to meet Energy Transfer.
Further, described secondary magnetic energy mechanism for picking is cuboid mechanism, coiling three dimensional coils in rectangular parallelepiped core mechanism.Figure 5 shows that magnetic path and the orthogonal coiling schematic diagram of mechanism for picking of the utility model embodiment, subsurface is embedded in by A+, C-, B+, A-, C+, B-three-phase former limit magnetic energy guide rail mechanism that totally 6 guide rails form, secondary magnetic energy mechanism for picking is made up of orthogonal being wound on rectangular parallelepiped core of three dimensional coils, this mechanism for picking is placed on electric automobile chassis, move with electric automobile, because the distribution of three-phase guide rail is wide, three-phase mechanism for picking can ensure electric automobile efficient energy pickup under situation of movement on a large scale.Secondary magnetic energy mechanism for picking can above the heterogeneous guide rail in former limit on a large scale in move freely, mechanism for picking will pick up the magnetic energy that arrives by charging to electric automobile vehicle mounted electric pond after secondary resonance compensation network, transformation of electrical energy and charging network.
Further, on described secondary magnetic energy mechanism for picking, the three dimensional coils of coiling is after compensating network, connect into series connected mode after first rectification, ensure that effective superposition of each coil mechanism interrogation energy, for follow-up transformation of electrical energy and charging network provide maximum direct voltage.Three-phase pick-up winding is connected after can connecting into first rectification after resonance compensation network, rectification after first series connection, rectification after first parallel connection, 4 kinds of patterns in parallel after first rectification: first rectification mode after series connection, this pattern Problems existing is when some coil is low to (primary coil and a secondary coil) coupling coefficient, the induced potential that can excite is lower, be equivalent to large inductance of connecting in circuit, and the induced potential phase place that three inductance excite is not necessarily identical, is unfavorable for whole mechanism for picking continuous operation; First rear rectification output mode in parallel, Problems existing is when some coupling coefficient is low, and the pickup inductance causing coupling coefficient larger is shorted decoupling zero, causes whole mechanism for picking not work; Paralleling model after first rectification, the maximum of Problems existing to be the voltage provided to load be pick-up voltage in three mechanism for picking, be unfavorable for the utilization of other two coils, and connect the superposition of three pick-up winding pick-up voltages after first rectification, achieve the energy that three coils pick up and be fully used.
Claims (6)
1. the electric automobile road surface dynamic high-efficiency induction charging system of a rail-free positioner, comprise power supply and on-vehicle battery, it is characterized in that: also comprise, heterogeneous high-frequency inversion network, heterogeneous resonance compensation network, the heterogeneous guide rail mechanism in former limit, secondary magnetic energy mechanism for picking, secondary resonance compensation network, transformation of electrical energy and charging network;
The secondary magnetic energy mechanism for picking that can move freely is provided with above the array of the heterogeneous guide rail mechanism in former limit;
Power supply provides direct current, direct current is after heterogeneous high-frequency inversion network and heterogeneous resonance compensation network, high-frequency alternating current is produced in the heterogeneous guide rail mechanism in former limit, form Mutual Inductance Coupling magnetic field between the heterogeneous guide rail mechanism in former limit and secondary magnetic energy mechanism for picking, the magnetic energy of pickup is given charging on-vehicle battery by secondary magnetic energy mechanism for picking after secondary resonance compensation network and transformation of electrical energy and charging network.
2. the electric automobile road surface dynamic high-efficiency induction charging system of a kind of rail-free positioner according to claim 1, is characterized in that: the inverter used in heterogeneous high-frequency inversion network is the heterogeneous high-frequency inverter of full-bridge type.
3. the electric automobile road surface dynamic high-efficiency induction charging system of a kind of rail-free positioner according to claim 1, is characterized in that: described heterogeneous resonance compensation network and secondary resonance compensation network adopt series, parallel or LCL resonance topological to connect.
4. the electric automobile road surface dynamic high-efficiency induction charging system of a kind of rail-free positioner according to claim 1, is characterized in that: described former limit heterogeneous guide rail mechanism array adopts triangular form mode or star-like mode to connect.
5. the electric automobile road surface dynamic high-efficiency induction charging system of a kind of rail-free positioner according to claim 1, is characterized in that: described secondary magnetic energy mechanism for picking is cuboid mechanism, coiling three dimensional coils in rectangular parallelepiped core mechanism.
6. the electric automobile road surface dynamic high-efficiency induction charging system of a kind of rail-free positioner according to claim 5, it is characterized in that: on described secondary magnetic energy mechanism for picking, the three dimensional coils of coiling is after compensating network, connect into series connected mode after first rectification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520278261.XU CN204732942U (en) | 2015-04-30 | 2015-04-30 | The electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner |
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| CN201520278261.XU CN204732942U (en) | 2015-04-30 | 2015-04-30 | The electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901400A (en) * | 2015-04-30 | 2015-09-09 | 凯思特徐州传动科技有限公司 | Electric automobile road dynamic high-efficiency induction charging system of railless positioning apparatus |
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2015
- 2015-04-30 CN CN201520278261.XU patent/CN204732942U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901400A (en) * | 2015-04-30 | 2015-09-09 | 凯思特徐州传动科技有限公司 | Electric automobile road dynamic high-efficiency induction charging system of railless positioning apparatus |
| CN104901400B (en) * | 2015-04-30 | 2018-01-19 | 徐州凯思特机电科技有限公司 | A kind of electric automobile road surface dynamic high-efficiency induction charging system of rail-free positioner |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160430 |