CN202455168U - Power grid architecture based on large-scale wireless electric energy transmission technology - Google Patents

Power grid architecture based on large-scale wireless electric energy transmission technology Download PDF

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Publication number
CN202455168U
CN202455168U CN2012201030138U CN201220103013U CN202455168U CN 202455168 U CN202455168 U CN 202455168U CN 2012201030138 U CN2012201030138 U CN 2012201030138U CN 201220103013 U CN201220103013 U CN 201220103013U CN 202455168 U CN202455168 U CN 202455168U
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CN
China
Prior art keywords
electric energy
emitter
distributed power
electrical network
transmission technology
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Expired - Fee Related
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CN2012201030138U
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Chinese (zh)
Inventor
黄学良
李军
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Southeast University
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Southeast University
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Priority to CN2012201030138U priority Critical patent/CN202455168U/en
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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
    • 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
    • Y02T90/167Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y02T90/168
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12Remote or cooperative charging

Abstract

The utility model discloses a power grid architecture based on the large-scale wireless electric energy transmission technology. The power grid architecture includes electric vehicles and vehicle-mounted batteries, wherein the vehicle-mounted batteries are arranged on the electric vehicles. The power grid architecture is characterized by further including receiving devices, transmitting devices, underground cables and distributed power supplies, wherein the distributed power supplies are arranged near to highways; the transmitting devices are continuously buried below the highway pavements, are connected with the nearby distributed power supplies through the underground cables, and receive electric energy from the distributed power supplies; and the receiving devices are arranged on the electric vehicles, wireless power transmission is achieved between the receiving devices and the transmitting devices, and the vehicle-mounted batteries are charged by the receiving devices through the received electric energy. The power grid structure can solve the problems in remote areas with rich renewable energies that the electric energy can be neither transmitted to the outside nor consumed locally.

Description

Electrical network framework based on the large-scale wireless electric energy transmission technology
Technical field
The utility model relates to electric power system power delivery and network architecture method, belongs to the power transmission and distribution technical field.
Background technology
Along with the popularization of ev industry, the interaction technique of charging electric vehicle technology and electric automobile and electrical network has obtained increasing attention.The basis of these two types of technology all is the wired charging technique of electric automobile at present, promptly accomplishes charging process by means of charging cable connection charging pile and electric automobile on-vehicle battery.
The wired charging technique of electric automobile wireless charging compared with techniques is convenient more, safety.Realize mainly utilizing the electromagnetic induction principle between vehicle-mounted coil and the power transmit coils to carry out promptly induction wireless charging at present in the world to electric automobile wireless charging Study on Technology.When this mode is connected the alternating current of certain frequency when elementary coil, in secondary coil, will produce certain electric current through electromagnetic induction, thereby energy will be transferred to receiving terminal from transmission ends.Advantage is that through-put power is bigger.Shortcoming is that the controller volume is bigger; Existence than air gaps makes the coupled relation of system's formation belong to loose coupling, causes leakage field and excitatory suitable thus, even than excitatory height; Transmission range is shorter, is used for mm, cm level power delivery more.
The another kind of important implementation of wireless technology of transmission of electricity---magnet coupled resonant type wireless technology of transmission of electricity; System adopts the resonance object of two same frequencys to produce very strong intercoupling; Energy is mutual between two articles; Utilize coil and place the plate condenser at two ends, form resonant circuit jointly, realize the wireless transmission of energy.Advantage is to utilize magnetic field to pass through near field transmission, and radiation is little, and directivity is less demanding; The moderate distance transmission, efficiency of transmission is higher; Power transfer does not receive spatial obstacle thing (non magnetic) influence; Laser propagation effect and frequency and antenna size are in close relations.Shortcoming is high to power requirement, and high-frequency, high-power realization be difficulty.With induction wireless charging compared with techniques, the magnet coupled resonant type wireless charging technique can overcome all drawbacks of induction charging technique well in theory, realizes the practicability of electric automobile wireless charging technology.
The electric power system power transmission method of appearing as of magnet coupled resonant type wireless technology of transmission of electricity provides another kind of not by means of the selection of overhead transmission line/power cable.In traditional electrical network framework, overhead transmission line/power cable plays irreplaceable effect in its power transmission and distribution link; Electric automobile by based on the wireless charging technology carries out the conveying of high-power electric energy as carrier, makes a kind of novel power grid architecture design based on the high-power electric energy transmission method of no power transmission line mode become possibility.
The utility model content
The purpose of the utility model is to provide a kind of electrical network framework based on the large-scale wireless electric energy transmission technology, its can solve electric energy that the abundant remote districts of regenerative resource exist can't send outside, can't the local problem that consumes.
In order to reach above-mentioned purpose, the technical scheme that the utility model adopted is:
Electrical network framework based on the large-scale wireless electric energy transmission technology comprises electric automobile and on-vehicle battery, and wherein, electric automobile is provided with on-vehicle battery; Also comprise receiving system, emitter, underground cable and distributed power source; Wherein, distributed power source is located near the highway, and emitter is embedded in the highway pavement below continuously; Said emitter is connected by underground cable with near distributed power source, and receives electric energy from distributed power source; Electric automobile is provided with receiving system, and itself and emitter are set up the power wireless transmission, and utilizes the electric energy that receives to be charging on-vehicle battery.
Adopt induction between above-mentioned emitter and the receiving system or the magnet coupled resonant type transfer mode carries out the power transmission.
Be equipped with the pressure sensor whether the vehicle process can the perception road surface be arranged on above-mentioned each emitter, and at vehicle through out-of-date output emission electric energy.
Above-mentioned electrical network also comprises energy-storage units, and said energy-storage units is corresponding one by one with emitter, is connected with distributed power source through underground cable.
Be equipped with wireless communication unit on above-mentioned each emitter and the on-vehicle battery, set up radio communication with the metering device of toll station place or near setting respectively and be connected, transmit sale of electricity and receive electric data.
After adopting such scheme, the utility model helps to solve the power delivery and the consumption problem in regenerative resource from far-off regions power station, promotes dissolving of renewable energy power generation.
Description of drawings
Fig. 1 is the overall architecture principle schematic of the utility model.
Embodiment
Below will combine accompanying drawing, the technical scheme of the utility model will be elaborated.
As shown in Figure 1, the utility model provides a kind of electrical network framework based on the large-scale wireless electric energy transmission technology, comprises electric automobile and on-vehicle battery; Wherein, electric automobile is provided with on-vehicle battery, and conventional electric-powered automobile supply power mode is to obtain electric power by a distant place electric power transmission network power is provided; When electric automobile quantity more for a long time, can know that the load of traditional electrical network will be very heavy, therefore; The utility model improves on this basis, and the electrical network framework that is provided also comprises receiving system, emitter, underground cable and distributed power source, wherein; Some distributed power sources are set near highway; And below highway pavement, bury emitter continuously underground, said emitter is connected by underground cable with near distributed power source, and receives electric energy from distributed power source; Electric automobile is provided with receiving system, and itself and emitter are set up the power wireless transmission, specifically can adopt the electromagnetic wave transfer mode, and utilizes the electric energy that receives to be charging on-vehicle battery, thereby accomplishes the establishment of electrical network framework.
In the present embodiment; The electric energy that emitter sends through near the distributed power source underground cable reception highway; With its through rectification, inversion, boost, several links in the step-down are transformed to suitable electromagnetic wave form; Through the method for wireless transmit, send the receiving system of the electric automobile of process on the highway to, can adopt electromagnetic wave transfer modes such as induction, magnet coupled resonant type to carry out the power transmission between emitter and the receiving system.
Receiving system is accepted the control of vehicle intelligent terminal, and has two-way information interaction between the two; After receiving system receives electric energy, through rectification, inversion, boost, the some links in the step-down, converting suitable form into is charging on-vehicle battery; Until being full of, thereby accomplish replenishing of self-energy, by the storage capacity of automobile mounted battery; When being gone out, power delivery replenished electric automobile institute power consumption; Realize wireless power transmission, described on-vehicle battery receives the control of vehicle intelligent terminal, and carries out two-way information interaction with it.
When the electric automobile quantity of process on the highway is abundant; Can the electric energy that distributed power source sends be transmitted out continuously by emitter, receiving system, on-vehicle battery; Realize that the high-power electric energy transmission of wireless transmission of electricity consumes with local; Receive electromagnetic wave, the whole flow process of charging on-vehicle battery from distributed power source generating, emitter launching electromagnetic wave, receiving system, accomplished the necessary generating of electrical network, transmission of electricity, each link of electricity consumption, thereby accomplished the establishment of electrical network framework; Simultaneously, correspondingly reduce electric automobile electric power transmission network has obtained the electric power of respective numbers from a distant place, alleviated the load burden of traditional electrical network.
In the present embodiment; In order to improve the utilization ratio of electric energy, on each emitter, also be provided with pressure sensor, and on the connection line of distributed power source and each emitter; Also be respectively equipped with an energy-storage units, said energy-storage units connects distributed power source through underground cable; But whether described pressure sensor perception road surface has the vehicle process; Thereby whether decision exports the emission electric energy, or temporarily quits work, as vehicle through out-of-date; Outwards electric energy is launched in output; And when not having vehicle through out-of-date, emitter can temporarily quit work, and the electric energy of distributed power source output will be stored in the energy-storage units this moment.
In addition; Wireless communication unit can all be set on each emitter and on-vehicle battery; Said wireless communication unit all can be set up radio communication with the metering device of toll station place or near setting and be connected, and transmits sale of electricity respectively and receives electric data, thereby be convenient to real-time deal.
Above embodiment is merely the technological thought of explanation the utility model; Can not limit the protection range of the utility model with this; Every technological thought that proposes according to the utility model, any change of on the technical scheme basis, being done all falls within the utility model protection range.

Claims (5)

1. based on the electrical network framework of large-scale wireless electric energy transmission technology, comprise electric automobile and on-vehicle battery, wherein, electric automobile is provided with on-vehicle battery; It is characterized in that: also comprise receiving system, emitter, underground cable and distributed power source; Wherein, Distributed power source is located near the highway; Emitter is embedded in the highway pavement below continuously, and said emitter is connected by underground cable with near distributed power source, and receives electric energy from distributed power source; Electric automobile is provided with receiving system, and itself and emitter are set up the power wireless transmission, and utilizes the electric energy that receives to be charging on-vehicle battery.
2. the electrical network framework based on the large-scale wireless electric energy transmission technology as claimed in claim 1 is characterized in that: adopt induction between said emitter and the receiving system or the magnet coupled resonant type transfer mode carries out the power transmission.
3. the electrical network framework based on the large-scale wireless electric energy transmission technology as claimed in claim 1 is characterized in that: be equipped with the pressure sensor whether the vehicle process can the perception road surface be arranged on said each emitter, and at vehicle through out-of-date output emission electric energy.
4. like claim 1 or 3 described electrical network frameworks based on the large-scale wireless electric energy transmission technology, it is characterized in that: said electrical network framework also comprises energy-storage units, and said energy-storage units is corresponding one by one with emitter, is connected with distributed power source through underground cable.
5. the electrical network framework based on the large-scale wireless electric energy transmission technology as claimed in claim 1; It is characterized in that: be equipped with wireless communication unit on said each emitter and the on-vehicle battery; Set up radio communication with the metering device of toll station place or near setting respectively and be connected, transmit sale of electricity and receive electric data.
CN2012201030138U 2012-03-19 2012-03-19 Power grid architecture based on large-scale wireless electric energy transmission technology Expired - Fee Related CN202455168U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102593963A (en) * 2012-03-19 2012-07-18 东南大学 Power grid architecture based on large-scale wireless electric energy transmission technology
CN103280853A (en) * 2013-05-23 2013-09-04 奇瑞汽车股份有限公司 Transmitting tower type remote automobile charging system and charging method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102593963A (en) * 2012-03-19 2012-07-18 东南大学 Power grid architecture based on large-scale wireless electric energy transmission technology
CN103280853A (en) * 2013-05-23 2013-09-04 奇瑞汽车股份有限公司 Transmitting tower type remote automobile charging system and charging method

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

Granted publication date: 20120926

Termination date: 20140319

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