CN203840065U - An electric sightseeing vehicle electromagnetic resonance type radio electric energy transmission system - Google Patents

An electric sightseeing vehicle electromagnetic resonance type radio electric energy transmission system Download PDF

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Publication number
CN203840065U
CN203840065U CN201420115292.9U CN201420115292U CN203840065U CN 203840065 U CN203840065 U CN 203840065U CN 201420115292 U CN201420115292 U CN 201420115292U CN 203840065 U CN203840065 U CN 203840065U
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circuit
phase
diode
wireless
voltage
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Expired - Fee Related
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CN201420115292.9U
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Chinese (zh)
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董经贵
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Jiangsu Yadi Science and Technology Development Co Ltd
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Jiangsu Yadi Science and Technology Development Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

The utility model brings forward a tourism sightseeing fixed point operation electric sightseeing vehicle electromagnetic resonance type radio electric energy transmission system. The sightseeing vehicle electromagnetic resonance type radio electric energy transmission system comprises a radio electric energy emission circuit arranged on a parking charging point and a radio electric energy receiving circuit installed on a sightseeing vehicle. The radio electric energy emission circuit comprises a high frequency transformation power supply and a wireless emission antenna resonance circuit. The radio electric energy receiving circuit comprises a wireless reception antenna resonance circuit, a high frequency rectification circuit, a capacitor set and a motor speed regulation module which are sequentially connected. The sightseeing vehicle electromagnetic resonance type radio electric energy transmission system also comprises a reception end voltage and current detection circuit. The utility model employs a design technique of large power, low frequency and high efficiency fixed point operation super capacitance energy storage electric automobile electromagnetic resonance type wireless rapid charging, and a switch member employs a common IGBT. As for the tourism sightseeing fixed point operation electric vehicle, through the employing of super capacitance energy storage, high speed fixed point charging and reduction of energy storage capacity, purposes of reduction of a size, reduction of weight and reduction of costs are realized.

Description

Electric sightseeing vehicle electromagentic resonance formula radio energy transmission system
Technical field
The utility model relates to electric sightseeing vehicle electromagentic resonance formula radio energy transmission system, the fixed point of especially going sightseeing operation electric sightseeing vehicle electromagentic resonance formula radio energy transmission system.
Background technology
Electric sightseeing vehicle wireless charging adopts contactless electric energy transmission technology, at present three kinds of conventional wireless charging technology: radio wave formula or microwave type, induction and electromagentic resonance formula.Radio wave formula, because magnetic flux is to space omnidirectional radiation, the power that can receive is very little; Microwave mode, easily causes interference, energy beam to be difficult to concentrate to communication, and directionality is poor, and efficiency of transmission is low; Inductionly by magnetic Field Coupling, respond to and be associated, but transmission range is shorter, how in mm level; Electromagentic resonance formula, adopts two same frequency resonant circuits, utilizes magnetic field to pass through near field transmission, and radiation is little, has directivity, moderate distance transmission, and efficiency of transmission is higher.Electromagentic resonance formula wireless charging provides brand-new thinking for high efficiency energy under low coupling coefficient transmits.With respect to induction type mobile charging system, resonant transmission range is farther, can reach several meters, and can the omnibearing delivery of electrical energy in implementation space.Adopt at present the operating frequency of MHz, electric energy transmitting is at several hectowatts, from practical very large distance in addition.Electromagentic resonance formula wireless charging is because the higher electric automobile power supply occasion that is more suitable for of efficiency.Conventional electric energy energy storage at present has lead acid accumulator, lithium ion battery and super capacitor, due to the distinguishing feature that super capacitor long service life, environment-adapting ability are strong, fugitive rate of the time that discharges and recharges is high, energy density is high, be more suitable for the energy storage of fixed point operation electric automobile.
Summary of the invention
The utility model is in conjunction with going sightseeing electric sightseeing vehicle high-power applications demand, a kind of fixed point operation electric sightseeing vehicle electromagentic resonance formula radio energy transmission system of going sightseeing is proposed, for fixed point operation electric sightseeing vehicle, adopt super capacitor energy-storage, high speed and fixed-point charging, reduce stored energy capacitance, reach the target that reduces volume, reduces weight and minimizing cost.
The technical scheme providing according to the utility model, described electric sightseeing vehicle electromagentic resonance formula radio energy transmission system comprises and is arranged on the radio energy radiating circuit of stopping for charging point and is arranged on the radio energy receiving circuit on electric sightseeing vehicle; Described radio energy radiating circuit comprises high frequency conversion power supply and wireless transmission antenna resonant tank; Described wireless transmission antenna resonant tank is in series by wireless transmission coil L1 and resonance building-out capacitor C1; The main circuit of described high frequency conversion power supply comprises: the output of rectified three-phase circuit connects single-phase inversion circuit, and the output of single-phase inversion circuit is connected to wireless transmission antenna resonant tank; The control circuit of high frequency conversion power supply comprises transmitting terminal voltage and current detection circuit, phase-locked loop frequency tracking circuit, phase-shift control circuit and the inverse changing driving circuit connecting successively; The input of described transmitting terminal voltage and current detection circuit is connected to wireless transmission antenna resonant tank, and the output of inverse changing driving circuit connects single-phase inversion circuit, and the input of phase-shift control circuit connects receive data by wireless circuit; Described radio energy receiving circuit comprises wireless receiving antenna resonance loop, high-frequency rectification circuit, capacitance group, the electric machine speed regulation module connecting successively, and the input of receiving-end voltage current detection circuit is connected to wireless receiving antenna resonance loop; Described wireless receiving antenna resonance loop is in series by receiving coil L2, resonance compensation capacitor C 2, described capacitance group comprises super capacitor energy storage device and the super capacitor charging voltage and current testing circuit that is connected to super capacitor energy storage device charging end, and described receiving-end voltage current detection circuit is connected wireless data transtation mission circuit with the output of super capacitor charging voltage and current testing circuit.
Further, described rectified three-phase circuit is the diode three-phase bridge rectifier circuit that 6 diodes form, between two outputs of diode three-phase bridge rectifier circuit, connect filter capacitor C0, described single-phase inversion circuit is comprised of 4 IGBT switching tubes and its anti-paralleled diode, wherein diode VD1 is connected with diode VD3 negative electrode and is connected the output cathode of rectified three-phase circuit, diode VD2 is connected with diode VD4 anode and is connected to the output negative pole of rectified three-phase circuit, diode VD2 negative electrode and diode VD1 anodic bonding are to circuit node a1, diode VD4 negative electrode and diode VD3 anodic bonding are to circuit node b1, input three-phase alternating voltage Ua, Ub, Uc are transformed into direct voltage through diode three-phase bridge rectifier circuit and filter capacitor C0, through single-phase inversion circuit, are transformed into high-frequency ac voltage, from a1, b1 point, export.
Described high-frequency rectification circuit is the single-phase high frequency rectifier circuit that 4 diodes form.
Described super capacitor energy storage device is composed in parallel by super capacitor string.
The utility model has the advantages that: adopt wireless charging to replace wired charging, eliminate the electric spark that attaching plug produces in plug process, affect the trouble that plug life-span and loose contact bring, facilitate charging operations; Adopt and reduce radio energy transmitted frequency, greatly reduce the impact of Electromagnetic Radiation on Environment; Adopt super capacitor energy-storage can when stopping a train at a target point, realize quick charge.
Accompanying drawing explanation
Fig. 1 is electric sightseeing vehicle magnet coupled resonant type wireless charge operation schematic diagram.
Fig. 2 is the utility model circuit structure block diagram.
Fig. 3 is high frequency conversion electric power main circuit and transmitting antenna resonant tank schematic diagram.
Fig. 4 is reception antenna resonant tank and high-frequency rectification circuit schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, described electric sightseeing vehicle electromagentic resonance formula radio energy transmission system comprises and is arranged on the radio energy radiating circuit of a plurality of stopping for charging points and is arranged on the radio energy receiving circuit on electric sightseeing vehicle.
As shown in Figure 2, described radio energy radiating circuit comprises high frequency conversion power supply and wireless transmission antenna resonant tank; Described wireless transmission antenna resonant tank is in series by wireless transmission coil L1 and resonance building-out capacitor C1; The main circuit of described high frequency conversion power supply comprises: the output of rectified three-phase circuit connects single-phase inversion circuit, and the output of single-phase inversion circuit is connected to wireless transmission antenna resonant tank; The control circuit of high frequency conversion power supply comprises transmitting terminal voltage and current detection circuit, phase-locked loop frequency tracking circuit, phase-shift control circuit and the inverse changing driving circuit connecting successively; The input of described transmitting terminal voltage and current detection circuit is connected to wireless transmission antenna resonant tank, and the output of inverse changing driving circuit connects single-phase inversion circuit, and the input of phase-shift control circuit connects receive data by wireless circuit.
Described radio energy receiving circuit comprises wireless receiving antenna resonance loop, high-frequency rectification circuit, capacitance group, the electric machine speed regulation module connecting successively, and the input of receiving-end voltage current detection circuit is connected to wireless receiving antenna resonance loop; Described wireless receiving antenna resonance loop is in series by receiving coil L2, resonance compensation capacitor C 2, described capacitance group comprises super capacitor energy storage device and the super capacitor charging voltage and current testing circuit that is connected to super capacitor energy storage device charging end, and described receiving-end voltage current detection circuit is connected wireless data transtation mission circuit with the output of super capacitor charging voltage and current testing circuit.
The voltage and current detection circuit of transmitting terminal and receiving terminal is used the voltage sensor (voltage detector component) and the current sensor (current measuring element) that are serially connected in resonant tank to form.
Described motor speed regulation system comprises rotating speed detection module, motor controller, motor driver, the brushless DC motor connecting successively, can use conventional electric vehicle motor governing system.
As Fig. 1, described a plurality of stopping for charging points, the operate power of its 2 distances and electric sightseeing vehicle determines the electric energy energy that each charge point need to be charged.If two stopping for charging points distance is L, the operate power of electric sightseeing vehicle is Pe, and average running speed is v, running time t=L/v, the rechargeable electrical energy of the minimum needs of electric sightseeing vehicle charge point is W=Pe*t.The charging interval tc that charge point requires is less than t running time, and charge power is Pc=W/tc.In the electromagentic resonance formula radio energy radiating circuit of described charge point, high frequency conversion power supply is transformed to high-frequency ac square-wave voltage by three-phase alternating current input voltage, its frequency-tracking wireless transmission resonance frequency, wireless transmission antenna resonant tank is launched the high frequency voltage of high frequency conversion power supply output by magnetic coupling series resonance mode.In the described electromagentic resonance formula radio energy receiving circuit being arranged on electric sightseeing vehicle, wireless receiving antenna resonance loop receives electric energy by series resonance, high-frequency rectification circuit becomes direct voltage by the high frequency voltage transformation that receives resonant tank, to capacitance group charging, capacitance group plays the effect of filtering simultaneously.The voltage of motor speed regulation system control capacitance group output, the rotating speed of adjusting motor.Control circuit comprises that receiving-end voltage current detection circuit and capacitance group electric current and voltage detect loop.
As Fig. 2, in described high frequency conversion power supply, three-phase alternating current input voltage is transformed into direct voltage through rectification circuit, single-phase inversion circuit (adopting full bridge inverter in figure) becomes controlled high-frequency ac voltage by DC voltage conversion, transmitting terminal voltage and current detection circuit detects inverter output voltage and electric current, by output voltage and the frequency of phase-locked loop frequency tracking circuit, phase-shift control circuit and inverse changing driving circuit control inverter; In described wireless transmission antenna resonant tank, transmitting coil L1 and resonance building-out capacitor C1 form series resonant tank, and the electric energy of inverter output is launched by electromagnetic coupled; In the described electromagentic resonance formula radio energy receiving circuit being arranged on electric sightseeing vehicle, receiving coil L2 and resonance building-out capacitor C2 form series resonant tank and receive electric energy, high-frequency rectification circuit becomes direct voltage by the high frequency voltage transformation that receives resonant tank, to capacitance group charging, capacitance group plays the effect of filtering simultaneously.The voltage of motor speed regulation system control capacitance group output, the rotating speed of adjusting motor.Control circuit comprises that receiving-end voltage current detection circuit and capacitance group electric current and voltage detect loop.
As shown in Figure 3, in described high frequency conversion power supply, rectified three-phase circuit is the diode three-phase bridge rectifier circuit that 6 diode D1-6 form, between two outputs of diode three-phase bridge rectifier circuit, connect filter capacitor C0, described single-phase inversion circuit is comprised of 4 IGBT switching tubes and its anti-paralleled diode, wherein diode VD1 is connected with diode VD3 negative electrode and is connected the output cathode of rectified three-phase circuit, diode VD2 is connected with diode VD4 anode and is connected to the output negative pole of rectified three-phase circuit, diode VD2 negative electrode and diode VD1 anodic bonding are to circuit node a1, diode VD4 negative electrode and diode VD3 anodic bonding are to circuit node b1.
Diode three-phase bridge rectifier circuit and filter capacitor C0 that input three-phase alternating voltage Ua, Ub, Uc form through diode D1-6 are transformed into direct voltage, the single-phase inversion circuit forming through IGBT switching tube VT1, VT2, VT3, VT4 and its anti-paralleled diode VD1, VD2, VD3, VD4 is transformed into high-frequency ac voltage, from a1, b1 point, exports.Inverter, from the direct voltage of a1, b1 point output, is connected to the input L1a and the L1b that transmitting coil L1 and resonance building-out capacitor C1, consist of resonant tank; The alternating voltage that wireless transmission antenna resonant tank is ordered inverter a1, b1, by consisting of resonant tank transmitting electric energy transmitting coil L1 and resonance building-out capacitor C1.
As shown in Figure 4, the radio energy receiving circuit being arranged on electric sightseeing vehicle comprises single-phase high frequency rectifier circuit, the super capacitor energy storage device that is formed resonance receiving loop, is comprised of diode Dr1-4 by receiving coil L2 and resonance building-out capacitor C2.
By receiving coil L2 and resonance building-out capacitor C2, form resonant tank, by electromagnetic coupled, receive the electric energy from transmitting coil transmission, by a2, b2 tie point, export; The alternating voltage that single-phase high frequency rectifier circuit is ordered input a2, b2 is transformed into direct voltage by the single phase rectifier circuit being comprised of diode Dr1-4; Super capacitor energy storage device is comprised of a plurality of super capacitor connection in series-parallel, and super capacitor energy storage device plays filter action.
The utility model adopts conventional electronic switching device can realize the wireless quick charge of electric sightseeing vehicle super capacitor.Adopt technology high-power, the wireless quick charge of low frequency high efficiency fixed point operation super capacitor energy-storage electric sightseeing vehicle electromagentic resonance formula, switching device adopts conventional IGBT pipe.

Claims (4)

1. electric sightseeing vehicle electromagentic resonance formula radio energy transmission system, is characterized in that: comprise and be arranged on the radio energy radiating circuit of stopping for charging point and be arranged on the radio energy receiving circuit on electric sightseeing vehicle; Described radio energy radiating circuit comprises high frequency conversion power supply and wireless transmission antenna resonant tank; Described wireless transmission antenna resonant tank is in series by wireless transmission coil L1 and resonance building-out capacitor C1; The main circuit of described high frequency conversion power supply comprises: the output of rectified three-phase circuit connects single-phase inversion circuit, and the output of single-phase inversion circuit is connected to wireless transmission antenna resonant tank; The control circuit of high frequency conversion power supply comprises transmitting terminal voltage and current detection circuit, phase-locked loop frequency tracking circuit, phase-shift control circuit and the inverse changing driving circuit connecting successively; The input of described transmitting terminal voltage and current detection circuit is connected to wireless transmission antenna resonant tank, and the output of inverse changing driving circuit connects single-phase inversion circuit, and the input of phase-shift control circuit connects receive data by wireless circuit;
Described radio energy receiving circuit comprises wireless receiving antenna resonance loop, high-frequency rectification circuit, capacitance group, the electric machine speed regulation module connecting successively, and the input of receiving-end voltage current detection circuit is connected to wireless receiving antenna resonance loop; Described wireless receiving antenna resonance loop is in series by receiving coil L2, resonance compensation capacitor C 2, described capacitance group comprises super capacitor energy storage device and the super capacitor charging voltage and current testing circuit that is connected to super capacitor energy storage device charging end, and described receiving-end voltage current detection circuit is connected wireless data transtation mission circuit with the output of super capacitor charging voltage and current testing circuit.
2. electric sightseeing vehicle electromagentic resonance formula radio energy transmission system according to claim 1, it is characterized in that, described rectified three-phase circuit is the diode three-phase bridge rectifier circuit that 6 diodes form, between two outputs of diode three-phase bridge rectifier circuit, connect filter capacitor C0, described single-phase inversion circuit is comprised of 4 IGBT switching tubes and its anti-paralleled diode, wherein diode VD1 is connected with diode VD3 negative electrode and is connected the output cathode of rectified three-phase circuit, diode VD2 is connected with diode VD4 anode and is connected to the output negative pole of rectified three-phase circuit, diode VD2 negative electrode and diode VD1 anodic bonding are to circuit node a1, diode VD4 negative electrode and diode VD3 anodic bonding are to circuit node b1, input three-phase alternating voltage Ua, Ub, Uc are transformed into direct voltage through diode three-phase bridge rectifier circuit and filter capacitor C0, through single-phase inversion circuit, are transformed into high-frequency ac voltage, from a1, b1 point, export.
3. electric sightseeing vehicle electromagentic resonance formula radio energy transmission system according to claim 1, is characterized in that, described high-frequency rectification circuit is the single-phase high frequency rectifier circuit that 4 diodes form.
4. electric sightseeing vehicle electromagentic resonance formula radio energy transmission system according to claim 1, is characterized in that, described super capacitor energy storage device is comprised of super capacitor connection in series-parallel.
CN201420115292.9U 2014-03-13 2014-03-13 An electric sightseeing vehicle electromagnetic resonance type radio electric energy transmission system Expired - Fee Related CN203840065U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103872794A (en) * 2014-03-13 2014-06-18 江苏雅迪科技发展有限公司 Electromagnetic resonance wireless electric energy transmission system of electric tour vehicle
CN107878226A (en) * 2017-10-23 2018-04-06 华南理工大学 A kind of novel electric vehicle magnetic resonance type wireless charging circuit and control method
CN108631449A (en) * 2018-05-10 2018-10-09 常州星宇车灯股份有限公司 A kind of radio energy transmission system of automobile tail light
CN110040013A (en) * 2019-05-13 2019-07-23 无锡市沃乐思科技有限公司 Vertical Circulating stereo garage wireless power supply system with electric car charging

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103872794A (en) * 2014-03-13 2014-06-18 江苏雅迪科技发展有限公司 Electromagnetic resonance wireless electric energy transmission system of electric tour vehicle
CN103872794B (en) * 2014-03-13 2017-01-04 江苏雅迪科技发展有限公司 Electric sightseeing vehicle electromagentic resonance formula radio energy transmission system
CN107878226A (en) * 2017-10-23 2018-04-06 华南理工大学 A kind of novel electric vehicle magnetic resonance type wireless charging circuit and control method
CN108631449A (en) * 2018-05-10 2018-10-09 常州星宇车灯股份有限公司 A kind of radio energy transmission system of automobile tail light
CN108631449B (en) * 2018-05-10 2024-03-22 常州星宇车灯股份有限公司 Wireless power transmission system of automobile tail lamp
CN110040013A (en) * 2019-05-13 2019-07-23 无锡市沃乐思科技有限公司 Vertical Circulating stereo garage wireless power supply system with electric car charging

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140917

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