CN108819730A - Non-contact power supply system of electric automobile - Google Patents
Non-contact power supply system of electric automobile Download PDFInfo
- Publication number
- CN108819730A CN108819730A CN201810303694.4A CN201810303694A CN108819730A CN 108819730 A CN108819730 A CN 108819730A CN 201810303694 A CN201810303694 A CN 201810303694A CN 108819730 A CN108819730 A CN 108819730A
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- electric energy
- coil
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- electric
- management platform
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- 239000003990 capacitor Substances 0.000 claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 238000007600 charging Methods 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000010248 power generation Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H02J7/025—
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a non-contact power supply system of an electric automobile, which comprises a roadbed, a tire type secondary side coil, a super capacitor, a storage battery, a permanent magnet synchronous motor, an electric energy management platform and a motor driving management platform, wherein the roadbed is provided with a primary side charging coil; the tire type secondary side coil receives the electric energy of the roadbed primary side charging coil and then transmits the electric energy to the electric energy management platform, and the electric energy is rectified by the electric energy management platform and then charges the storage battery; the electric energy of the storage battery drives the permanent magnet synchronous motor to rotate through the motor driving management platform to work as a motor; when the slope goes down, the permanent magnet synchronous motor is used as a generator to generate electricity, and the electric energy is stored in the super capacitor; when the electric quantity of the battery is insufficient, the super capacitor charges the storage battery, and when the electric quantity of the battery is sufficient, the super capacitor discharges to the primary side charging coil after inversion of the electric energy management platform. The invention can keep the primary coil and the secondary coil of the non-contact charging circuit at constant positions due to the close contact between the roadbed and the tire, thereby obtaining stable coupling coefficient and realizing high-efficiency high-power transmission.
Description
Technical field
The invention belongs to electric vehicle engineering fields, are to be related to a kind of electric car non-contact power system more specifically
System.
Background technique
For environmental protection and the demand of social sustainable development, electric car using more and more extensive, electronic vapour
One premise of the large-scale promotion application of vehicle is exactly the development construction of electrically-charging equipment.Contactless power supply system has in electric car
Good application prospect, but it is based on roadbed out-of-flatness, lead to primary coil and the secondary coil coupling of non-contact charge circuit
Index variation causes energy coupling efficiency of transmission lower, limitation charging rated power.If realizing high power transmission, need to increase
Circuit hardware cost input and base attachment investment, this directly improves complete machine manufacturing cost.
Summary of the invention
In view of this, the present invention provides one kind in roadbed out-of-flatness, it is also able to achieve the stabilizing circuit coefficient of coup, into
And low cost, the electric car contactless power supply system that transmission electric energy is neatly realized.
A kind of electric car contactless power supply system, including：
The roadbed for laying primary side charge coil, the rubber-tyred secondary coil being mounted on automobile tire；The primary side charging
Coil connection power supply unit simultaneously realizes electric energy transmitted in both directions by non-contact couple with rubber-tyred secondary coil；The rubber-tyred pair
Sideline circle is connected with electric energy management platform, the electric energy management platform is connect with battery, super capacitor, the battery and
Motor driven management platform is connected, and the motor driven management platform connects permanent magnet synchronous motor；Rubber-tyred pair sideline
Circle receive be transferred to after the electric energy of primary side charge coil electric energy management platform it is rectified after charge a battery；The battery
Electric energy by motor driven manage platform output driving permanent magnet synchronous motor rotation, make the permanent magnet synchronous motor as electronic
Machine work, drives automobilism；The permanent magnet synchronous motor works as generator in automobile downhill and generates electricity, by power storage
Into super capacitor；When the not enough power supply of the battery, super capacitor charges to battery；When the electricity abundance of battery,
The electric energy of the super capacitor is put by rubber-tyred secondary coil to primary side charge coil after electric energy management platform inversion processing
Electricity.
The primary side charge coil is connected with power grid, in the case where being used for electric car descending and battery circuit abundance,
It is discharged from the rubber-tyred secondary coil to primary side charge coil, and is set by the power grid to the lighting apparatus of connection and monitoring
Available electricity.
The power supply unit includes power station, wind power generation plant and device of solar generating.
Wherein, the electric energy management platform includes：
Rectifier, for the AC rectification from rubber-tyred secondary coil at direct current, and it is backward through steady pressure treatment
Battery charging；
Inverter, for, at alternating current and after steady pressure treatment, passing through tire to the DC inverter from super capacitor
Formula secondary coil discharges to the primary side charge coil below roadbed.
The present invention is due to the primary side charge coil and rubber-tyred secondary coil in the roadbed using laying primary side charge coil
Contactless coupling, even if roadbed out-of-flatness, can also make non-for electric energy transmitted in both directions since roadbed and tire interface are close
Contact charging circuit primary coil and secondary coil are maintained at constant position, to obtain stablizing the coefficient of coup, by rationally setting
The gap (such as within 5cm) of coil is counted, to can realize that high-efficiency high-power transmits.
In addition, the primary side charge coil below the roadbed is connected with power grid, in electric car descending and battery circuit
It in the case where abundance, is discharged from the rubber-tyred secondary coil to primary side charge coil, and by the power grid to the photograph of connection
Bright equipment and monitoring device power supply, to reach the interior circulation of micro-capacitance sensor.
Electric car contactless power supply system of the present invention receives the charging of the primary side under roadbed by rubber-tyred secondary coil
It is transferred to electric energy management platform after the electric energy of coil, charges a battery after electric energy management platform rectification processing；Battery
Electric energy manages platform by motor driven to drive permanent magnet synchronous motor to rotate, and permanent magnet synchronous motor is as motor work at this time
Make.According to road grade situation, when descending, as electrical power generators, power storage stores permanent magnet synchronous motor into super capacitor
In battery capacity deficiency situation, super capacitor charges to battery.In accumulator electric-quantity abundance situation, super capacitor passes through electric energy
It manages after platform inversion is handled to roadbed coil discharge, so as to reach the interior circulation of micro-capacitance sensor.
Detailed description of the invention
Fig. 1 shows electric car contactless power supply system system block diagram according to the present invention；
Fig. 2 shows electric car contactless power supply system systematic schematic diagrams according to the present invention；
Fig. 3 shows electric car contactless power supply system micro-capacitance sensor structure chart according to the present invention；
Fig. 4 shows electric car contactless power supply system controlling electric energy logic chart according to the present invention；
Fig. 5 shows electric car contactless power supply system roadbed primary coil structure chart according to the present invention.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Attached drawing is closed, the present invention will be described in further detail.
It should be pointed out that present invention relates particularly to electric car, including but not limited to plug-in hybrid-power automobile, pure
Electric car etc..
Fig. 1 diagrammatically illustrates the system block diagram of electric car contactless power supply system according to the present invention.
As shown in Figure 1, a kind of electric car contactless power supply system, including：
Lay the roadbed 101 of primary side charge coil, rubber-tyred secondary coil 102, super capacitor 105, battery 104, forever
Magnetic-synchro motor 107, electric energy management platform 103 and motor driven manage platform 106.Rubber-tyred secondary coil 102 receives road
It is transferred to electric energy management platform 103 after the electric energy of base side charge coil, gives electric power storage after 103 rectification of electric energy management platform processing
It charges in pond 104；The electric energy of battery 104 drives permanent magnet synchronous motor 107 to rotate by motor driven management platform 106, this
When permanent magnet synchronous motor 107 be used as electric motor operation.According to road grade situation, when descending, permanent magnet synchronous motor 107 is as hair
Electric power generation, power storage is into super capacitor 105, and in the case of 104 not enough power supply of battery, super capacitor 105 is to battery
104 chargings.In 104 electricity abundance situation of battery, super capacitor 105 handles the road Hou Xiang by 103 inversion of electric energy management platform
Primary side charge coil electric discharge under base.
Primary side charge coil under roadbed connects power grid, can be to include the standard configurations lighting apparatus electricity consumption such as street lamp and monitoring device
Electricity consumption, to reach the interior circulation of micro-capacitance sensor.
Wherein, rubber-tyred secondary coil 102 can be electrically connected by the charge and discharge electric wire that tire axis is arranged with electric energy management platform
It taps into and charges to battery, or in 104 electricity abundance situation of battery, realized by the super capacitor connected under roadbed
Primary side charge coil discharges.
The electric energy management platform 103, battery 104, super capacitor 105 constitute the battery management module of system, described
Motor driven manages platform 106, permanent magnet synchronous motor 1075 constitutes the motor drive module of system, laying primary side charge coil
Roadbed 101, rubber-tyred secondary coil 102 constitute the charging module of system.
Fig. 2 diagrammatically illustrates the systematic schematic diagram of electric car contactless power supply system according to the present invention.
The lower primary side charge coil laid of roadbed 101 of primary side charge coil is laid as primary coil 201 and power grid phase
Even, the secondary coil being laid in the automobile tire of rubber-tyred secondary coil 102 is as secondary coil 202, when running car is in band
When having on the roadbed of primary coil, energy conversion is generated by electromagnetic induction between primary coil and secondary coil, in secondary coil
Upper generation alternating current, the alternating current on secondary coil can be guided to by the charge and discharge electric wire that tire axis is arranged electric energy management platform into
And it charges to battery.Since roadbed and tire interface are close, even if roadbed out-of-flatness, it can also make non-contact charge circuit primary side
Coil and secondary coil are maintained at constant position, to obtain stablizing the coefficient of coup.
Preferably, the winding space between primary side charge coil and rubber-tyred secondary coil may be implemented efficiently within 5cm
High power transmission.
Coil on the rubber-tyred secondary coil may include two kinds of forms, the circular coil 203 of such as three layers superposition,
The oblong coil 204 of three layers of superposition.
Fig. 3 diagrammatically illustrates electric car contactless power supply system micro-capacitance sensor structure chart according to the present invention.
Primary coil under roadbed is connected with power station 305, at the same also with wind power generation plant 302, device of solar generating
301 are connected, and in the case where 304 descending of electric car and sufficient battery capacity, discharge to primary coil, and power grid can be packet
Lighting apparatus power supply and monitoring device power supply containing street lamp 303, to reach the interior circulation of micro-capacitance sensor.
Fig. 4 diagrammatically illustrates electric car contactless power supply system controlling electric energy logic chart according to the present invention.
The primary coil being embedded under roadbed is powered by power supply system 401, including power station, wind electricity generating system, solar energy hair
Electric installation power supply, is charged with the secondary coil in tire on vehicle by electromagnetic induction, and generated alternating current passes through battery
Electric energy management platform in management module 404 charges after being rectified into direct current to battery, and then battery can be electric motor of automobile
Drive module 405 provides driving force and all kinds of electric power supplies.
In automobile downhill, the permanent magnet synchronous motor in electric motor of automobile drive module 405 is produced electricl energy as generator, when
It when accumulator electric-quantity deficiency in battery management module 404, charges to battery, otherwise by the secondary coil in tire to road
Primary coil power supply under base, carries out energy regenerating recycling.
Partially a part of automobile itself on vehicle, part is directly embedded in underground under vehicle, in a non contact fashion to automobile into
Row charging, is omitted the attachment facility of such as charging gun, has saved construction cost.
Fig. 5 diagrammatically illustrates the structure of primary coil in electric car contactless power supply system roadbed according to the present invention
Figure.
Corresponding with the structure in the secondary coil in tire, primary side charge coil also may include two kinds of forms in roadbed,
As shown in figure 5, the circular coil 501 of three layers of superposition, the oblong coil 502 of three layers of superposition.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of electric car contactless power supply system, which is characterized in that including laying the roadbed of primary side charge coil, being mounted on
Rubber-tyred secondary coil on automobile tire；The primary side charge coil connects power supply unit and passes through with rubber-tyred secondary coil
Electric energy transmitted in both directions is realized in non-contact coupling；The rubber-tyred secondary coil is connected with electric energy management platform, the electric energy pipe
Platform is connect with battery, super capacitor, and the battery is connected with motor driven management platform, the motor driven pipe
Platform connects permanent magnet synchronous motor；The rubber-tyred secondary coil is transferred to electric energy after receiving the electric energy of primary side charge coil
It charges a battery after management platform is rectified；The electric energy of the battery manages platform output driving permanent magnetism by motor driven
Synchronous motor rotation makes the permanent magnet synchronous motor as electric motor operation, drives automobilism；The permanent magnet synchronous motor exists
It works and generates electricity as generator when automobile downhill, by power storage into super capacitor；When the not enough power supply of the battery, surpass
Grade capacitor charges to battery；When the electricity abundance of battery, the electric energy of the super capacitor through electric energy management platform inversion at
It is discharged by rubber-tyred secondary coil to primary side charge coil after reason.
2. electric car contactless power supply system according to claim 1, which is characterized in that the primary side charge coil with
Power grid is connected, for electric car descending and in the case that battery circuit is sufficient, from the rubber-tyred secondary coil to primary side
Charge coil electric discharge, and the lighting apparatus and monitoring device by the power grid to connection are powered.
3. electric car contactless power supply system according to claim 1, which is characterized in that the power supply unit includes electricity
It stands, wind power generation plant and device of solar generating.
4. electric car contactless power supply system according to claim 1, which is characterized in that the electric energy management platform packet
It includes：
Rectifier, for the AC rectification from rubber-tyred secondary coil at direct current, and to electric power storage after steady pressure treatment
Pond charging；
Inverter, for, at alternating current and after steady pressure treatment, passing through rubber-tyred pair to the DC inverter from super capacitor
The electric discharge of the primary side charge coil below roadbed is enclosed in sideline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810303694.4A CN108819730A (en) | 2018-04-03 | 2018-04-03 | Non-contact power supply system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810303694.4A CN108819730A (en) | 2018-04-03 | 2018-04-03 | Non-contact power supply system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108819730A true CN108819730A (en) | 2018-11-16 |
Family
ID=64155370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810303694.4A Pending CN108819730A (en) | 2018-04-03 | 2018-04-03 | Non-contact power supply system of electric automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN108819730A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6412604B1 (en) * | 1999-05-25 | 2002-07-02 | Inventio Ag | Device for transferring energy to a vehicle of a transportation system |
| CN101771290A (en) * | 2010-01-29 | 2010-07-07 | 奇瑞汽车股份有限公司 | Electric car power supply and charging and discharging method thereof |
| CN102035239A (en) * | 2011-01-11 | 2011-04-27 | 王干 | Movable electric automobile wireless charging device |
| CN102848928A (en) * | 2012-10-15 | 2013-01-02 | 长春中信光电科技发展有限公司 | Wireless power supply driving method and device for electric automobile or electric motorcycle |
| CN104333145A (en) * | 2014-10-18 | 2015-02-04 | 刘跃进 | Electric vehicle-used rechargeable tire and tire-type wireless charging belt system |
| CN104935020A (en) * | 2014-03-17 | 2015-09-23 | 比亚迪股份有限公司 | Wireless charging system for electric vehicle and wireless charging method thereof |
-
2018
- 2018-04-03 CN CN201810303694.4A patent/CN108819730A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6412604B1 (en) * | 1999-05-25 | 2002-07-02 | Inventio Ag | Device for transferring energy to a vehicle of a transportation system |
| CN101771290A (en) * | 2010-01-29 | 2010-07-07 | 奇瑞汽车股份有限公司 | Electric car power supply and charging and discharging method thereof |
| CN102035239A (en) * | 2011-01-11 | 2011-04-27 | 王干 | Movable electric automobile wireless charging device |
| CN102848928A (en) * | 2012-10-15 | 2013-01-02 | 长春中信光电科技发展有限公司 | Wireless power supply driving method and device for electric automobile or electric motorcycle |
| CN104935020A (en) * | 2014-03-17 | 2015-09-23 | 比亚迪股份有限公司 | Wireless charging system for electric vehicle and wireless charging method thereof |
| CN104333145A (en) * | 2014-10-18 | 2015-02-04 | 刘跃进 | Electric vehicle-used rechargeable tire and tire-type wireless charging belt system |
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Application publication date: 20181116 |