CN202190087U - Distributed electric automobile charging system capable of supplying multi energy sources - Google Patents

Distributed electric automobile charging system capable of supplying multi energy sources Download PDF

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Publication number
CN202190087U
CN202190087U CN2011202009568U CN201120200956U CN202190087U CN 202190087 U CN202190087 U CN 202190087U CN 2011202009568 U CN2011202009568 U CN 2011202009568U CN 201120200956 U CN201120200956 U CN 201120200956U CN 202190087 U CN202190087 U CN 202190087U
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Prior art keywords
charging
energy
power generation
electric automobile
convertor assembly
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CN2011202009568U
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朱昌亚
洪光岱
汤能文
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Ten Pao Electronics (Huizhou) Co Ltd
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Ten Pao Electronics (Huizhou) 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects

Abstract

The utility model relates to a distributed electric automobile charging system capable of supplying multi energy sources, comprising a plurality of parallelly arranged DC (direct current) charging devices and AC(Alternating Current) charging devices, DC charging control devices and AC charging control devices corresponding with the DC charging devices and AC charging devices, a photovoltaic generating device, a wind power generating device and an AC/DC converter. The electric energy of the photovoltaic generating device, the wind power generating device and AC power grids can all be outputted to the DC charging devices and the AC charging devices after the conversion of the AC/DC converter to realize different kinds of charging for an electric automobile; or the electric energy can be fed back to the AC power grids through the AC/DC converter to realize energy storage. The electric automobile charging system employs solar energy and wind energy as energy supply sources to charge for the electric automobile; the electric energy can be converted and is merged into the AC power grids when no electric automobiles need charging; the electric automobile charging system possesses the characteristics of cleanness, high efficiency, diversification of charging modes, high practical feasibility, a wide scope of application, etc.

Description

A kind of distributed electric automobile charging system that supplies the multipotency source
Technical field
The present invention relates to the electric vehicle engineering field, specifically be meant a kind of distributed electric automobile charging system that supplies the multipotency source.
Background technology
Along with energy crisis is closed on day by day, the fail safe of nuclear energy is also queried, and various countries have begun sight is turned to from unsafe nuclear energy the new forms of energy such as solar energy, wind energy of clean and effective more, and cleaning new energy will become main energy sources from now on.Solar energy has progressed into our daily life at present, and wind power generation is just progressively follow-up also, the trend that the arriving in electric automobile epoch can't stop especially.How with this three's integrated application, drive our life farthest to utilize solar energy and wind energy as clean energy resource, becoming one is worth constantly exploring and the problem of research.
Summary of the invention
The problem that the present invention need solve provides a kind of distributed electric automobile charging system that supplies the multipotency source; This system can combine wind power generation, solar power generation and supply with the source as the energy of electric automobile charge-discharge system with commercial electrical network three, and has multiple charging terminal to accomplish the charging electric vehicle function.
For addressing the above problem; The technical scheme that the present invention takes is: a kind of distributed electric automobile charging system that supplies the multipotency source; Comprise: dc charging device and AC charging device that plurality of parallel is provided with; And corresponding with dc charging device and AC charging device respectively DC charging control device and AC charging control device, photovoltaic power generation apparatus, wind power generation plant and AC/DC convertor assembly.Said AC/DC convertor assembly output positive and negative charge is connected with the both positive and negative polarity of AC charging device and dc charging device respectively; Said photovoltaic power generation apparatus, wind power generation plant and AC network electric energy are all realized variety classes electric motor car charging through exporting to dc charging device and AC charging device after the conversion of AC/DC convertor assembly; The energy of perhaps said photovoltaic power generation apparatus and wind power generation plant is fed back into AC network through the AC/DC convertor assembly and realizes energy storage.
Preferably, said AC charging device set inside DC-AC inverter, the direct current energy that the DC-AC inverter provides the AC/DC convertor assembly convert AC energy that electric automobile adapts to into and achieve a butt joint and receive the charging electric vehicle of AC charging.
Preferably, in the said dc charging device dc converter is set, dc converter is connected with the AC/DC convertor assembly, and it is accepted after the direct current energy conversion of different electric pressures to accepting the charging electric vehicle of DC charging.
Preferably; Said AC/DC convertor assembly comprises control unit and three phase full bridge inverter circuit; Said three phase full bridge inverter circuit comprises six power switch pipes, and said six power switch pipes are connected in twos and constituted one group of switch, three groups of switch in parallel after the series connection; The tie point of two switches connects filter unit respectively in every group of switch; Connect AC network and photovoltaic power generation apparatus, wind power generation plant output by filter unit, introduce AC signal, control unit is gathered AC side voltage, current signal and is realized the conversion of AC-to DC and AC energy is carried out power factor correction according to the signal output pwm signal power controlling switching tube of gathering.
Preferably; Said photovoltaic power generation apparatus and wind power generation plant are all built-in converts direct current energy the inverter of AC energy into, inverter converts the direct current energy of photovoltaic power generation apparatus or wind power generation plant output into AC energy and is fed back into electrical network or offers the AC/DC convertor assembly and then be charging electric vehicle.
Preferably, said AC charging control device all is connected communication with the interior battery management system (BMS) of electric automobile with the DC charging control device.
Compared with prior art, the beneficial effect of the utility model is:
(1) said charging system for electric automobile employing solar energy, wind energy are charging electric vehicle as the energy supply source; And after can electric energy being changed under the no charging electric vehicle situation, incorporate AC network into, have characteristics such as clean and effective, safety non-pollution, charging modes diversification; Its practical feasibility is high, and is applied widely, can be arranged at places such as office buildings, megastore, parking lot, residential quarter, Public Parking and electric automobile specialty charging station;
(2) said AC/DC convertor assembly possesses power factor correction (APFC) function; Can make voltage, electric current homophase or the anti-phase of ac input end; Its input power factor is near 1; And need not the harmonic elimination filter that provides independent, fully improve utilization of power efficient, and will also be reduced to minimum the pollution of electrical network.
Description of drawings
Fig. 1 is the composition structural representation block diagram of said charging system for electric automobile;
Fig. 2 is the photovoltaic power generation apparatus structure chart of said charging system for electric automobile;
Fig. 3 is the wind power generation device structure figure of said charging system for electric automobile;
Fig. 4 is that said AC/DC convertor assembly structure is formed principle schematic.
Embodiment
For the ease of those skilled in the art's understanding, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 1; The distributed electric automobile charging system in the supplied multipotency source that the utility model disclosed; Comprise wind power generation plant, photovoltaic power generation apparatus; The two is connected with the high-power AC/DC convertor assembly that possesses the APFC function, also comprises dc charging device, AC charging device and DC charging control device and AC charging control device.
Wherein, Photovoltaic power generation apparatus also connects the AC/DC convertor assembly through above-mentioned power cable; As shown in Figure 2; Photovoltaic power generation apparatus comprises solar-energy photo-voltaic cell, and the direct current energy that the photovoltaic DC-to-AC converter that is connected with solar-energy photo-voltaic cell, photovoltaic DC-to-AC converter (inverter) are exported the solar-energy photo-voltaic cell conversion by the control of photovoltaic inverter controller converts AC energy to and exports to AC network or supply with the AC/DC convertor assembly.
Wind power generation plant is connected through power cable with the AC/DC convertor assembly, is used for converting available wind energy to the three-phase alternating current electric energy and offers the AC/DC convertor assembly.As shown in Figure 3; Wind power generation plant comprises wind-driven generator; The electric energy that the Power Conversion unit (inverter) that is connected with wind-driven generator, Power Conversion unit are exported the wind-driven generator conversion by the control of wind-force electricity generating controller carries out exporting to AC network or supplying with the AC/DC convertor assembly behind the Power Conversion.
The AC/DC convertor assembly adopts the translation circuit that possesses power factor correction (APFC) function; Its output positive and negative charge is electrically connected with the input of each charging device respectively through power cable, and can accept to offer the AC/DC charging device after the various energy resources formal transformation.As shown in Figure 4, the AC/DC convertor assembly comprises control unit and three phase full bridge inverter circuit, and said three phase full bridge inverter circuit comprises six power switch pipe Q1-Q6, equal diode of reverse parallel connection between the source electrode of each power switch pipe and the drain electrode.Six power switch pipe Q1-Q6 connect in twos and constitute one group of switch; Three groups of switch in parallel after the series connection; The tie point of two switches connects filter unit respectively in every group of switch; Connect AC network and photovoltaic power generation apparatus, wind power generation plant output by filter unit; Introduce AC signal, control unit is gathered AC side voltage, current signal and is realized the conversion of AC-to DC and AC energy is carried out power factor correction according to the signal output pwm signal power controlling switching tube Q1-Q6 that gathers.
Like this, wind power generation plant can be fed back into electrical network with the AC energy of its output when abundant or its output energy surpasses charging electric vehicle power at wind energy resources; Simultaneously photovoltaic power generation apparatus sunshine fully or its output energy when surpassing charging electric vehicle power; Can the direct current energy that photovoltaic power generation apparatus provides be fed back into electrical network through its inner inverter with direct current energy equally, natural energy resources is utilized.
Dc charging device is electrically connected with the AC/DC convertor assembly, and its set inside dc converter can be realized to charging electric vehicle according to its output dc voltage grade of electric automobile power battery electric pressure adjustment.A plurality of dc charging devices are set in the native system, and each dc charging device parallel connection can be a plurality of charging electric vehicles simultaneously; Also can be by the inner control module of dc charging device according to the charging electric vehicle power demand; Autonomous decision needs the charging module quantity of unlatching; Reach power match (for example open two dc charging devices simultaneously reach power match then be a charging electric vehicle jointly), realize the dilatation of dc charging device thus.The DC charging control device is used to control above-mentioned dc charging device and accomplishes the DC-to-dc conversion, for electric automobile provides suitable voltage and current; But all communications of DC charging control device and cell management system of electric automobile BMS and AC/DC convertor assembly are coordinated control and are accomplished the DC charging to electric automobile.
The AC charging device receives the direct current energy that the AC/DC convertor assembly provides; Its set inside inverter; Effect is to convert the direct current energy that the AC/DC convertor assembly provides into AC energy, and charges according to the alternating voltage grade realization plug-in type Electric Vehicle's Alternating trickle charge mode of electric automobile power battery demand.The AC charging control device also carries out communication with cell management system of electric automobile BMS, AC/DC convertor assembly, coordinates control AC charging device and converts direct current into alternating current, accomplishes the AC charging function to electric automobile.
The not concrete functional module of introducing all can adopt ripe functional circuit of the prior art in the utility model, repeats no more at this.
The foregoing description is merely more preferably execution mode of the utility model, and the utility model can also have other implementation.Do not breaking away under the utility model design prerequisite, to its any minor variations of doing and be equal to the protection range that replacement all belongs to the utility model.

Claims (8)

1. distributed electric automobile charging system that can supply the multipotency source; Comprise dc charging device and AC charging device that plurality of parallel is provided with; And corresponding with dc charging device and AC charging device respectively DC charging control device and AC charging control device; It is characterized in that, also comprise photovoltaic power generation apparatus, wind power generation plant and AC/DC convertor assembly, said AC/DC convertor assembly output positive and negative charge is connected with the both positive and negative polarity of AC charging device and dc charging device respectively; Said photovoltaic power generation apparatus, wind power generation plant and AC network electric energy are all realized variety classes electric motor car charging through exporting to dc charging device and AC charging device after the conversion of AC/DC convertor assembly; The energy of perhaps said photovoltaic power generation apparatus and wind power generation plant is fed back into AC network through the AC/DC convertor assembly and realizes energy storage.
2. the distributed electric automobile charging system that supplies the multipotency source according to claim 1; It is characterized in that; Said AC charging device set inside DC-AC inverter, the direct current energy that the DC-AC inverter provides the AC/DC convertor assembly convert AC energy that electric automobile adapts to into and achieve a butt joint and receive the charging electric vehicle of AC charging.
3. the distributed electric automobile charging system that supplies the multipotency source according to claim 2; It is characterized in that; In the said dc charging device dc converter is set; Dc converter is connected with the AC/DC convertor assembly, and it is accepted after the direct current energy conversion of different electric pressures to accepting the charging electric vehicle of DC charging.
4. the distributed electric automobile charging system that supplies the multipotency source according to claim 3; It is characterized in that; Said photovoltaic power generation apparatus and wind power generation plant are all built-in to convert direct current energy the inverter of AC energy into, and inverter converts the direct current energy of photovoltaic power generation apparatus or wind power generation plant output into AC energy and is fed back into electrical network or offers the AC/DC convertor assembly and then be charging electric vehicle.
5. the distributed electric automobile charging system that supplies the multipotency source according to claim 4 is characterized in that, said AC charging control device all is connected communication with the interior battery management system BMS of electric automobile with the DC charging control device.
6. the distributed electric automobile charging system that supplies the multipotency source according to claim 5 is characterized in that, said photovoltaic power generation apparatus, wind power generation plant and AC network all connect the AC/DC convertor assembly through power cable.
7. according to any described distributed electric automobile charging system that supplies the multipotency source among the claim 1-6; It is characterized in that; Said AC/DC convertor assembly comprises control unit and three phase full bridge inverter circuit; Said three phase full bridge inverter circuit comprises six power switch pipe Q1-Q6, and said six power switch pipe Q1-Q6 connect in twos and constitute one group of switch, three groups of switch in parallel after the series connection; The tie point of two switches connects filter unit respectively in every group of switch; Connect AC network and photovoltaic power generation apparatus, wind power generation plant output by filter unit, introduce AC signal, control unit is gathered AC side voltage, current signal and is realized the conversion of AC-to DC and AC energy is carried out power factor correction according to the signal output pwm signal power controlling switching tube Q1-Q6 that gathers.
8. the distributed electric automobile charging system that supplies the multipotency source according to claim 7 is characterized in that, the AC/DC convertor assembly also comprise six respectively with the diode of power switch pipe Q1-Q6 reverse parallel connection.
CN2011202009568U 2012-01-17 2012-01-17 Distributed electric automobile charging system capable of supplying multi energy sources Active CN202190087U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103560567A (en) * 2013-11-18 2014-02-05 常州永安公共自行车系统股份有限公司 Station power management module
CN103633717A (en) * 2012-08-24 2014-03-12 国家电网公司 Charging system of electric car charging station
CN104467098A (en) * 2014-12-12 2015-03-25 青岛海汇德电气有限公司 Charging control system and method for electromobile
CN106541845A (en) * 2016-11-25 2017-03-29 上海工程技术大学 A kind of wireless electric automobile charging system actual and control method
CN110901471A (en) * 2019-11-19 2020-03-24 广州东方电科自动化有限公司 Rapidly-extensible electric automobile flexible direct-current charging system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103633717A (en) * 2012-08-24 2014-03-12 国家电网公司 Charging system of electric car charging station
CN103560567A (en) * 2013-11-18 2014-02-05 常州永安公共自行车系统股份有限公司 Station power management module
CN104467098A (en) * 2014-12-12 2015-03-25 青岛海汇德电气有限公司 Charging control system and method for electromobile
CN106541845A (en) * 2016-11-25 2017-03-29 上海工程技术大学 A kind of wireless electric automobile charging system actual and control method
CN110901471A (en) * 2019-11-19 2020-03-24 广州东方电科自动化有限公司 Rapidly-extensible electric automobile flexible direct-current charging system

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