CN109249834A - A kind of fast charge electric power station system - Google Patents
A kind of fast charge electric power station system Download PDFInfo
- Publication number
- CN109249834A CN109249834A CN201811321222.8A CN201811321222A CN109249834A CN 109249834 A CN109249834 A CN 109249834A CN 201811321222 A CN201811321222 A CN 201811321222A CN 109249834 A CN109249834 A CN 109249834A
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- Prior art keywords
- energy
- power
- voltage
- fast charge
- battery pack
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of fast charge electric power station systems, the system structure in fast charge power station includes: expansible energy-storage module, power battery pack and corresponding bidirectional DC voltage translation circuit including several parallel connections, connect, each branch independently receives the control of administrative unit with charging quickly stake；Power grid power supply module, including AC/DC voltage conversion circuit and the input of three-phase and four-line alternating current, it is in parallel with expansible energy-storage module；Charging quickly stake is connect with energy storage for power supply module, is transmitted electricity by charging connector to pond to be charged；Energy management unit is connect with expansible energy-storage module and power grid power supply module respectively, is sent and is instructed to each control circuit.Compared with prior art, the present invention has many advantages, such as that saving cost, work efficiency is high, configuration is flexible and environmentally friendly.
Description
Technical field
The present invention relates to charging technique fields, more particularly, to a kind of fast charge electric power station system.
Background technique
Electric car has that environmental protection, use cost be low, Yi Wei as the new traffic tool developed rapidly in recent years
The advantages that repairing maintenance, Chinese city environmental protection pressure to pole in the case where, the popularization of electric car be one not
Hold the national industry guiding argued again.As electric car technological direction maturation shapes, the hair of electric automobile charging station matched with its
Exhibition also becomes inevitable.
However building up for electric automobile charging station net is not easily able in a short time, main cause is fast to electric car
Speed charging needs instantaneous powerful power power, and normal grid is unable to satisfy, it is necessary to build special charging network, this is related to entirely
National grid transformation, non-to be overnight able to achieve, if electric car is without high-power fast charge, charging process is very long, gives day
It is often used and brings inconvenience, be then difficult to realize the universal of electric car, on the other hand, theoretically power battery capacity declines
When reducing to 80%, just it is not suitable for continuing to use on vehicle, needs to do corresponding retired processing, with new-energy automobile in recent years
How the surge of quantity handles a large amount of retired power battery and has become the hot issue paid close attention in the industry.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of fast charge electric power station systems.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of fast charge electric power station system, comprising:
Energy-storage module can be expanded, it is described to expand storage for meeting power station energy storage and meeting the energy work rate demand of fast charge
Energy module includes multiple DC/DC voltage changers and multiple power battery packs；
Power grid power supply module, the power grid power supply mould insufficient for supplementing the energy work rate that can expand energy-storage module
Block includes AC/DC voltage changer and the three-phase and four-line cable for being set to the AC/DC voltage converter output；
Charging quickly stake for connecting with the power grid power supply module and each branch for expanding energy-storage module, and is led to
Electric connection is overcharged to transmit electricity to on-vehicle battery to be filled；
Energy management unit, for being connect with the power grid power supply module and each branch for expanding energy-storage module,
And corresponding send instructs.
Further, multiple power battery packs are connected in parallel with each other, and the power battery pack includes that electric vehicle changes electricity
Idle battery pack and the retired rear battery pack recycled.
Further, the input terminal of each DC/DC voltage changer is correspondingly connected with each power battery pack,
The output end branch of each DC/DC voltage changer is connect with the charging quickly stake, the DC/DC voltage changer
The number of number and the power battery pack matches.
Further, it is opened including multiple in each DC/DC voltage changer and in the AC/DC voltage changer
Tube elements are closed, the energy management unit is by each switch tube elements of independent control with the energy of control system and power grid
The charge and discharge process of exchange process and each power battery pack.
Further, each switch tube elements are semiconductor controllable switch tube device, and the semiconductor is controllably opened
Closing tube device includes MOSFET and IGBT.
Further, each DC/DC voltage changer is bidirectional, dc/DC voltage converter, for described
The conversion back and forth of output end and input source when power battery pack charge and discharge.
Further, the AC/DC voltage changer be two-way exchange/DC voltage converter and respectively with the fast charge
Electric stake, the energy management unit are connected with power grid, for when the power battery pack is fed to power grid that the DC/DC is electric
The high direct voltage inversion decompression of buckling parallel operation output is three-phase alternating voltage to input the power grid, when the power battery pack is filled
The three-phase and four-line alternating voltage boosting of the power grid is rectified into high straightening when the electric or described power grid is transmitted electricity to the charging quickly stake
Galvanic electricity described can expand energy-storage module or the charging quickly stake to input.
Compared with prior art, the invention has the following advantages that
(1) energy source is divided into expansible energy-storage module and power grid when fast charge power station proposed by the invention is to charging electric car
Power supply module can reduce fast charge using battery pack power supply in energy-storage module when carrying out high-power fast charge and impact to power grid bring,
When energy-storage module is difficult to meet charge power demand supplement can be suitably provided by power grid power supply module.
(2) power battery pack of the present invention includes that electric vehicle changes the idle battery pack of electricity and the retired rear battery pack recycled,
Retired power battery can cascade utilization, be truly realized and make the best use of everything, extend the service life of power battery, and energy storage cost
It is low；It is parallel with sufficient amount of power battery pack and plug and play in expansible energy-storage module, removes the electricity for meeting requirement
Chi Bao changes for automobile, makes power station that can have both electrical changing station function, is quickly and effectively that vehicle provides sufficient power source, changes
Battery pack can supplement energy-storage module.
(3) the expansible every branch of energy-storage module of the present invention is respectively connected by a DC/DC electric pressure converter, system it is reliable
Property it is high and easy to maintenance；Using time-of-use tariffs to power grid peak load shifting, in network load peak period from energy-storage module to power grid
Feed obtains electric energy for energy-storage module charging, to obtain electricity price differential income from power grid in network load trough period.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention；
Drawing reference numeral explanation:
1 is energy management unit；2 be power battery pack；3 be DC/DC voltage changer；4 be AC/DC voltage changer；5
For charging quickly stake.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
Embodiment
It is as shown in Figure 1 a kind of system structure diagram of fast charge electric power station system of the present invention, includes energy management unit
1: it connect, is used for the independently transmitted instruction of each controlling brancher with power grid power supply module and each branch of expansible energy-storage module respectively,
The charge and discharge process of the energy exchange processes and each battery pack of control system and power grid；The power battery pack 2 of several parallel connections: including
The battery pack and electric vehicle recycled after retired changes the battery pack left unused after electricity, with corresponding DC/DC voltage changer 3
Input terminal connection；DC/DC voltage changer 3 is bidirectional, dc/DC voltage converter: and the connection of charging quickly stake 5 and and power grid
Power supply module is in parallel, and when battery discharge completes output boosting, can carry out input decompression, each DC/DC voltage in battery charging
3 composed structure of converter is identical, and each switching tube is by energy management unit independent control；AC/DC voltage in power grid power supply module
Converter 4 is two-way exchange/DC voltage converter and connect respectively with charging quickly stake 5, energy management unit 1 and power grid,
Switching tube includes that MOSFET or IGBT are controlled by energy management unit 1, is by high direct voltage decompression inversion when for battery discharge
Three-phase alternating voltage boosting is rectified into high direct voltage when three-phase alternating voltage and charging；Charging quickly stake 5: its input terminal and power grid
Power supply module is connected with each branch of expansible energy-storage module, is transmitted electricity by charging connector to on-vehicle battery to be filled.
Working method of the invention is as follows:
When for electric vehicle rapid charging, the battery pack of expansible energy-storage module provides demand power, in shortage by power grid
Supplement；When network load peak period, fed if energy-storage module energy is more than needed to power grid；When network load trough period, by power grid
Taking electricity is that energy-storage module battery pack charges.
Working principle of the present invention is as follows:
When fast charge, on-vehicle battery to be filled is connect by charging connector with charging quickly stake 5, and the present invention starts to work, energy pipe
It manages unit 1 and issues instruction, the switching tube for controlling DC/DC voltage changer 3 in energy-storage module is switched on and off, and each battery pack puts
Electricity output DC low-voltage generates stable DC high pressure in 5 input terminal of charging quickly stake via after the boosting of each DC/DC voltage changer 3,
Charging connector output electric energy is to realize on-vehicle battery fast charge, if energy-storage module is unable to satisfy significant power demand, energy management list
Member 1 takes electricity to power grid by control 4 switching tube of AC/DC voltage changer, and AC/DC voltage changer 4 exchanges three-phase and four-line defeated
Enter voltage carry out exchange turn direct current, boosting inverter output stable DC high pressure, to supplement deficit power；When grid-connected feed, energy
Administrative unit 1, which controls 3 switching tube of DC/DC voltage changer in energy-storage module, makes each battery pack discharge, Input transformation circuit it is straight
It flows low pressure and generates stable DC high pressure in 4 decompression DC side of AC/DC voltage changer after the boosting of each DC/DC voltage changer 3,
Energy management unit 1 controls 4 switching tube of AC/DC voltage changer and works so that the high direct voltage that AC/DC voltage changer 4 inputs
Inversion decompression conveys electric energy to power grid for three-phase and four-line alternating voltage；When energy-storage module battery pack charges, energy management unit 1 is controlled
AC/DC voltage changer 4 processed works in boosting rectification state, AC/DC voltage changer 4 by three-phase and four-line AC-input voltage into
Row exchange turns direct current, boosting inverter is stable DC high pressure, further inputs DC/DC voltage changer 3, energy management unit 1
Control DC/DC voltage changer 3 works in decompression state, and it is each electricity of energy-storage module that DC/DC voltage changer 3, which exports DC low-voltage,
Chi Bao charging.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (7)
1. a kind of fast charge electric power station system characterized by comprising
Energy-storage module can be expanded, it is described to expand energy storage mould for meeting power station energy storage and meeting the energy work rate demand of fast charge
Block includes multiple DC/DC voltage changers (3) and multiple power battery packs (2)；
Power grid power supply module, for supplementing the energy work rate deficiency that can expand energy-storage module, the power grid power supply module packet
It includes AC/DC voltage changer (4) and is set to the three-phase and four-line cable of AC/DC voltage changer (4) output end；
Charging quickly stake (5) for connecting with the power grid power supply module and each branch for expanding energy-storage module, and passes through
Charging connector is transmitted electricity to on-vehicle battery to be filled；
Energy management unit (1), for being connect with the power grid power supply module and each branch for expanding energy-storage module, and
It is corresponding to send instruction.
2. a kind of fast charge electric power station system according to claim 1, which is characterized in that multiple power battery packs (2) that
This is connected in parallel, and the power battery pack (2) includes that electric vehicle changes the idle battery pack of electricity and the retired rear battery pack recycled.
3. a kind of fast charge electric power station system according to claim 1, which is characterized in that each DC/DC voltage changer
(3) input terminal is correspondingly connected with each power battery pack (2), the output end of each DC/DC voltage changer (3)
Branch is connect with the charging quickly stake (5), number and the power battery pack (2) of the DC/DC voltage changer (3)
Number matches.
4. a kind of fast charge electric power station system according to claim 1, which is characterized in that each DC/DC voltage changer
It (3) in and include multiple switch tube elements in the AC/DC voltage changer (4), the energy management unit (1) passes through only
The vertical each switch tube elements of control are with the energy exchange processes and each power battery pack (2) of control system and power grid
Charge and discharge process.
5. a kind of fast charge electric power station system according to claim 4, which is characterized in that each switch tube elements are half
Conductor controllable switch tube device, the semiconductor controllable switch tube device includes MOSFET and IGBT.
6. a kind of fast charge electric power station system according to claim 1, which is characterized in that each DC/DC voltage changer
(3) it is bidirectional, dc/DC voltage converter, is used for output end and input source when the power battery (2) packet charge and discharge
It converts back and forth.
7. a kind of fast charge electric power station system according to claim 1, which is characterized in that the AC/DC voltage changer (4) is
Two-way exchange/DC voltage converter is simultaneously connect with the charging quickly stake (5), the energy management unit (1) and power grid respectively,
High direct voltage inversion for exporting the DC/DC voltage changer (3) when the power battery pack (2) is fed to power grid
Decompression is three-phase alternating voltage to input the power grid, when the power battery pack (2) charging or the power grid are to the fast charge
The boosting of the three-phase and four-line alternating voltage of the power grid is rectified into high voltage direct current when electric stake (5) is transmitted electricity to input and described can expand
Energy-storage module or the charging quickly stake (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321222.8A CN109249834A (en) | 2018-11-07 | 2018-11-07 | A kind of fast charge electric power station system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321222.8A CN109249834A (en) | 2018-11-07 | 2018-11-07 | A kind of fast charge electric power station system |
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| CN109249834A true CN109249834A (en) | 2019-01-22 |
Family
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| CN201811321222.8A Pending CN109249834A (en) | 2018-11-07 | 2018-11-07 | A kind of fast charge electric power station system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112805A (en) * | 2019-05-21 | 2019-08-09 | 南昌黑鲨科技有限公司 | Battery charge-discharge control method, system, mobile terminal and storage medium |
| CN111262298A (en) * | 2020-03-09 | 2020-06-09 | 上海度普新能源科技有限公司 | Charging pile and charging control method and circuit thereof |
| CN111619392A (en) * | 2020-05-14 | 2020-09-04 | 东莞市楚联电子科技有限公司 | Charging method of charging pile and charging pile |
| CN112060962A (en) * | 2020-09-25 | 2020-12-11 | 吴百发 | Multi-power-supply intelligent quick-charging energy management system |
| CN112968522A (en) * | 2021-02-20 | 2021-06-15 | 国网重庆市电力公司电力科学研究院 | Multi-load direct regulation and control system and method thereof |
| CN116470558A (en) * | 2023-05-18 | 2023-07-21 | 中国华能集团清洁能源技术研究院有限公司 | Energy storage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111262298B (en) * | 2020-03-09 | 2021-11-23 | 上海度普新能源科技有限公司 | Charging pile and charging control method and circuit thereof |
| CN111619392A (en) * | 2020-05-14 | 2020-09-04 | 东莞市楚联电子科技有限公司 | Charging method of charging pile and charging pile |
| CN112060962A (en) * | 2020-09-25 | 2020-12-11 | 吴百发 | Multi-power-supply intelligent quick-charging energy management system |
| CN112968522A (en) * | 2021-02-20 | 2021-06-15 | 国网重庆市电力公司电力科学研究院 | Multi-load direct regulation and control system and method thereof |
| CN116470558A (en) * | 2023-05-18 | 2023-07-21 | 中国华能集团清洁能源技术研究院有限公司 | Energy storage system |
| CN116470558B (en) * | 2023-05-18 | 2024-02-06 | 中国华能集团清洁能源技术研究院有限公司 | Energy storage system |
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Application publication date: 20190122 |