CN201868954U - Electric automobile charging station system with energy storage devices - Google Patents
Electric automobile charging station system with energy storage devices Download PDFInfo
- Publication number
- CN201868954U CN201868954U CN2010205747742U CN201020574774U CN201868954U CN 201868954 U CN201868954 U CN 201868954U CN 2010205747742 U CN2010205747742 U CN 2010205747742U CN 201020574774 U CN201020574774 U CN 201020574774U CN 201868954 U CN201868954 U CN 201868954U
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- electric automobile
- charging station
- storage device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
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Abstract
The utility model discloses an electric automobile charging station system with energy storage devices. The electric automobile charging station system comprises an AC supply power network, monitoring equipment and charging equipment, wherein the AC supply power network is accessed into the electric automobile charging station system through a high-voltage relay protection cabinet, a three-phase transformer and a low-voltage relay protection cabinet; the monitoring equipment is used for completing the monitoring and controlling of the electric automobile charging station system and directing the operation of the whole electric automobile charging station; the electric automobile charging station system further comprises energy storage equipment including a plurality of energy storage equipment groups, and each energy storage equipment group consists of a plurality of switch controllers and an energy storage device; and the charging equipment comprises a plurality of charging equipment groups, and each charging equipment group consists of a plurality of switch controllers and a charging post. The electric automobile charging station system effectively alleviates impact on the power network due to rapid charging, relieves the pressure of the power network, provides charging services for various electric automobiles of different manufacturers, and has the advantages of convenience in charging service, simplicity and flexibility in operation, and convenience in maintenance.
Description
Technical field
The utility model belongs to electric automobile and technical field of power systems, is specifically related to a kind of electric automobile charging station and configuration and operation method that has energy storage device.
Background technology
Along with the enhancing gradually of serious day by day and people's environmental consciousness of energy crisis, the clean energy resource power vehicle has obtained broad development and has applied, wherein especially with the Development Technology of electric automobile maturation the most.The charging form of electric automobile mainly can be divided into the replacing battery pack and charging station/stake is charged these two kinds.
Because the power of vehicle requires and size differs, vehicle-mounted space is limited and arrange that difference is very big, therefore the required battery capacity size of different vehicle, the configuration and the size of battery pack are difficult to standardization, usually the charging modes of employing replacing battery pack generally is applicable to the vehicle power supply of particular types, such as the motorbus that enough spaces are arranged or the haulage vehicle that adopt modular standard cell group; Or specify the charging station of changing battery pack specially for the motor vehicle of some types of a certain company.This mode scope of application is little, versatility is poor, can't satisfy the charging demand of motor vehicle of all kinds.
And the charging station of vehicle/stake charging modes almost is applicable to the charging of all motor vehicles.Charging at present has two kinds of mode of operations: normal speed charging modes (being full of in general 6～8 hours), and the most generally the electric household vehicle is in parking lot charging down time; Quick charge, motor vehicle at charging station with the electric energy that was full of more than 80% in 15～20 minutes.Yet adopt the normal speed charging, the charging rate of vehicle is too slow, is difficult to satisfy the ageing requirement of commerial vehicle and long-distance operational vehicle.Compare with the normal speed charging modes, the quick charge technology can satisfy the ageing requirement of vehicle, but several normal charging currents that decuple of the charging current of its each car, can bring rush of current to electrical network, when a large amount of electric automobiles concentrates on charging station quick charge simultaneously, energy required in short time is very big, can produce the huge impact electric current, the stability and safety operation of electrical network will be threatened, even meeting damaged line, grid equipments such as transformer, therefore relevant transformer station and circuit certainly will will carry out dilatation, but the average utilization of the transformer station of dilatation and capacity of trunk is very low, does not calculate economically.The charging station quick charge is general many on the daytime of peak of power consumption in addition, not only can increase the burden of electrical network, the electric cost height.
How both economic, efficient, safety and solve problem that electric automobile utilizes the charging station charging reliably for the applying of motor vehicle, and guarantee economy, the safety of operation of power networks and efficiently be significant.Therefore be necessary to develop a kind of charging station scheme charging station be excessive to the charging impulse current of electrical network to solve effectively, transformer station and a series of Technological Economy difficult problems such as capacity of trunk is excessive and utilance is low.
Summary of the invention
Goal of the invention: at the deficiencies in the prior art, the purpose of this utility model provides a kind of electric automobile charging station system that has energy storage device, so that it is when satisfying the electric vehicle rapid charging demand, when overcoming electric vehicle rapid charging the electric power that electrical network caused is impacted, significantly reduce required substation capacity of electric automobile charging station and capacity of trunk, guarantee power network safety operation.Another purpose of the present utility model provides a kind of above-mentioned electric automobile charging station system that has energy storage device and gets control method.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution adopted in the utility model is as follows: a kind of electric automobile charging station system that has energy storage device comprises Alternating Current Power Supply electrical network, watch-dog and charging device; Described Alternating Current Power Supply electrical network inserts the electric automobile charging station system by high pressure relaying protection cabinet, three-phase transformer and low pressure relaying protection cabinet; Watch-dog is finished the monitoring of electric automobile charging station system and control, instructs the operation of whole electric automobile charging station system; Also comprise energy storage device; Energy storage device contains some energy storage device groups, and each energy storage device group is made of some on-off controllers and energy storage device; Described charging device contains some charging device groups, and each charging device group is made of some on-off controllers and charging pile.
The energy storage mode of described energy storage device adopts independent energy storage mode or combined accumulation energy mode.
The energy-storage travelling wave tube of described energy storage device is the combination of the energy-storage travelling wave tube or the dissimilar energy-storage travelling wave tube of single type.
A kind of control method of the above-mentioned electric automobile charging station system that has energy storage device, is carried out the charging energy storage of charging station energy storage device at the low power consumption period; The peak of power consumption period, give charging electric vehicle with energy storage device institute electric energy stored; Feed back to electrical network with the surplus electric energy peak period of shortage of electric power, uses for the user.
The electric automobile charging station system that has energy storage device of the present utility model partly is made up of AC network electric power system, watch-dog, energy storage device, charging device etc.
The AC network electric power system is made of high pressure relaying protection cabinet, three-phase transformer and low pressure relaying protection cabinet; Between the high-pressure side that is connected in high-voltage alternating electrical network and three-phase transformer of high pressure relaying protection cabinet, the low-pressure side of three-phase transformer connects low pressure relaying protection cabinet, realizes isolating and protective effect.
Watch-dog is the core of whole system, mainly finish the control between control (energy accumulating state or regenerating condition), energy storage device and the charging device (user) of flow of power between system monitoring (comprising electric network information monitoring, energy accumulating state monitoring, charged state monitoring), energy storage device and the AC network, instruct the running status of whole charging station system.When charging electric vehicle, when promptly energy requirement being arranged, the energy storage device energy balance of watch-dog supervisory control system and electric network information etc.
Energy storage device contains some energy storage device groups, and each energy storage device group is made of some on-off controllers and energy storage device, and its quantity is decided on the scale of institute's construction charging station.Wherein energy storage device is energy storage devices such as lithium titanate battery, super capacitor.The selection energy storage device need be considered the cost performance that recycles life-span, operating temperature range, charge efficiency, energy density, charging station scale and equipment of equipment etc., accomplishes to distribute rationally.Simultaneously, described energy storage device can adopt single energy storage mode, also can adopt the combined accumulation energy mode.
Charging device contains some charging pile groups, and each fill device group is made of some on-off controllers and charging pile, and its quantity is decided on the scale of institute's construction charging station.
Beneficial effect: compare with equipment of the prior art, of the present utility model have a following advantage: can effectively alleviate quick charge to the impact that electrical network brings, slow down electrical network pressure, the electricity grid substation that need not charging station is connected carries out large-scale dilatation; Can be embodied as different manufacturers, dissimilar various electric automobiles provide the charging service; The charging service is convenient, and the operation simple and flexible is easy to maintenance; Can buy power at the low low power consumption of electricity price is stored in the energy storage device, and in the high peak of power consumption of electricity price the energy of energy storage device is sold to electric motor car client or electrical network, thereby obtains bigger income, and helps peak clipping Pinggu of electrical network.
Description of drawings
Fig. 1 is the composition schematic diagram that the utility model has the electric automobile charging station system of energy storage device.
Fig. 2 is the schematic diagram that adopts the normal accumulation of energy charge operation of electric automobile charging station system that has energy storage device, wherein only contains one group of energy storage device, one group of charging device.
Fig. 3 adopts to have the schematic diagram of the electric automobile charging station system of energy storage device with surplus electric energy feedback grid during the electrical network peak of power consumption, wherein only contains one group of energy storage device, one group of charging device.
Fig. 4 adopts the electric automobile charging station system that has energy storage device to give the schematic diagram of the normal quick charge operation of motor vehicle by charging device, wherein only contains one group of energy storage device, one group of charging device.
Embodiment
Below in conjunction with accompanying drawing the utility model is further explained.
The configuration of electric automobile charging station system: as shown in Figure 1, have the basic structure composition diagram of the electric automobile charging station system of energy storage device for the utility model.The electric automobile charging station system that this has energy storage device comprises Alternating Current Power Supply electrical network 1, watch-dog 2, charging device 4 and energy storage device 3; Alternating Current Power Supply electrical network 1 inserts the electric automobile charging station system by high pressure relaying protection cabinet, three-phase transformer and low pressure relaying protection cabinet; Watch-dog 2 is finished the monitoring of electric automobile charging station system and control, instructs the operation of whole electric automobile charging station system; Energy storage device 3 contains some energy storage device groups, and each energy storage device group is made of some on-off controllers and energy storage device; Described charging device 4 contains some charging device groups, and each charging device group is made of some on-off controllers and charging pile.Wherein the selection of energy storage device is particularly important for this.The energy storage device of charging station can adopt super capacitor and lithium titanate battery combination or adopt the lithium titanate battery to constitute energy storage device separately, this mainly be since the lithium titanate cell charging times can reach 20000 times, operating temperature range is wide, charge rate is fast, energy density is higher, though and the super capacitor energy density is not very high, but has very high power density, can adopt high current charge-discharge, the speed that discharges and recharges is fast and pattern is simple, is quick charge truly, long service life.
Generally, the capacity of energy storage device will be much larger than the required energy of single electric automobile, for the better utilization energy, optimize charge efficiency, when configuration has the electric automobile charging station of energy storage device, can be one or a several energy storage device band number charging device, such as five charging electric vehicle equipment of an energy storage device control.
The control method of electric automobile charging station system: as shown in Figure 2, the schematic diagram when having the normal accumulation of energy charging of the charging station work of energy storage device for employing.Charging station is energy storage device charging accumulation of energy in the low power consumption period generally.Low power consumption is much more general at night, and the quantity of the automobile that charges simultaneously is also less, at this moment between in the section charging station obtain the energy storage device charging accumulation of energy that electric power is given charging station to charge normal speed from electrical network, the energy storage time that generally charges is about 6-8 hour.Watch-dog is mainly monitored information such as electric network information and energy storage device stored energy state.
Belong to peak of power consumption daytime, this moment, charging station mainly was that the electric energy that will store charges for the electric automobile user to electric motor car, and it moves schematic diagram as shown in Figure 4 normally.At this moment, watch-dog is mainly monitored information such as electric network information, energy storage device stored energy residual state, charger operating state.
In addition if the energy storage of charging station has more surplus in certain period, peak of power consumption period by day, under the situation that guarantees the charging station operate as normal, charging station can be realized the energy feedback with by the electrical network demand electric energy of surplus being fed back to grid company.At this moment, energy Flow flows to AC network by energy storage device, and its operation schematic diagram as shown in Figure 3.Charging station still can obtain extra income from the price difference that energy storage device discharges and recharges.At this moment, watch-dog is mainly monitored information such as electric network information and energy storage device energy stored surplus.
When charging station work energy stored can not satisfy electric automobile electricity consumption demand, charging station can directly utilize AC network to give electric automobile with normal speed charging (non-immediate mode charging), to keep charging station normal operation to a certain extent.
The maintenance of electric automobile charging station system expansion: if the electric automobile of this area increases, charging station just needs dilatation, sets up more energy storage device and charging device and get final product, invest lessly, extends simply.
If certain one or more energy storage device need safeguard or change the time, can be isolated this equipment by the switch that draws back these equipment input and output both sides, and can not have influence on the operate as normal of other equipment, very simple and convenient.
Claims (3)
1. an electric automobile charging station system that has energy storage device comprises Alternating Current Power Supply electrical network, watch-dog and charging device; Described Alternating Current Power Supply electrical network inserts the electric automobile charging station system by high pressure relaying protection cabinet, three-phase transformer and low pressure relaying protection cabinet; Watch-dog is finished the monitoring of electric automobile charging station system and control, instructs the operation of whole electric automobile charging station system; It is characterized in that: also comprise energy storage device; Energy storage device contains some energy storage device groups, and each energy storage device group is made of some on-off controllers and energy storage device; Described charging device contains some charging device groups, and each charging device group is made of some on-off controllers and charging pile.
2. according to claims 1 described electric automobile charging station system that has energy storage device, it is characterized in that: the energy storage mode of described energy storage device adopts independent energy storage mode or combined accumulation energy mode.
3. according to claims 1 described electric automobile charging station system that has energy storage device, it is characterized in that: the energy-storage travelling wave tube of described energy storage device is the combination of the energy-storage travelling wave tube or the dissimilar energy-storage travelling wave tube of single type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205747742U CN201868954U (en) | 2010-10-25 | 2010-10-25 | Electric automobile charging station system with energy storage devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205747742U CN201868954U (en) | 2010-10-25 | 2010-10-25 | Electric automobile charging station system with energy storage devices |
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| Publication Number | Publication Date |
|---|---|
| CN201868954U true CN201868954U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205747742U Expired - Fee Related CN201868954U (en) | 2010-10-25 | 2010-10-25 | Electric automobile charging station system with energy storage devices |
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| CN (1) | CN201868954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958567A (en) * | 2010-10-25 | 2011-01-26 | 东南大学 | Electromobile charging station system with energy storing device and control method thereof |
| JP7511677B2 (en) | 2020-06-23 | 2024-07-05 | トヨタ モーター ノース アメリカ，インコーポレイティド | Energy sharing based on demand |
-
2010
- 2010-10-25 CN CN2010205747742U patent/CN201868954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958567A (en) * | 2010-10-25 | 2011-01-26 | 东南大学 | Electromobile charging station system with energy storing device and control method thereof |
| JP7511677B2 (en) | 2020-06-23 | 2024-07-05 | トヨタ モーター ノース アメリカ，インコーポレイティド | Energy sharing based on demand |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20131025 |