CN208134120U - Highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid - Google Patents
Highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid Download PDFInfo
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- CN208134120U CN208134120U CN201820362683.9U CN201820362683U CN208134120U CN 208134120 U CN208134120 U CN 208134120U CN 201820362683 U CN201820362683 U CN 201820362683U CN 208134120 U CN208134120 U CN 208134120U
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Abstract
The utility model discloses highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid, and charging station is separately positioned on the two sides of highway, and charging station mainly includes Generation Side and load side；Generation Side includes renewable energy generating system, energy-accumulating power station and DC bus, and the output end of renewable energy generating system is linked into DC bus by DC-DC converter, and energy-accumulating power station is connected by bidirectional DC-DC converter with DC bus；Load side includes double mode alternating current-direct current charging pile and ac bus, and DC bus is connected by DC-AC converter with ac bus；It is connected between the DC bus of the opposite charging station in highway two sides by the energy line that mutually helps.The utility model builds light-storage-sufficiently cloth alternating current-direct current mixed connection micro-capacitance sensor, new-energy automobile is provided in the long-distance current relay charging of intercity or highway, low new-energy automobile energy-storage battery energy density, dependence power grid construction, " opening not far " etc. is solved and applies problem.
Description
Technical field
The utility model relates to charging stations, and in particular to a kind of highway distribution light-storage-fills alternating current-direct current mixed connection microgrid
Self-service charging station.
Background technique
New-energy automobile industry is in the ascendant.It is obtained under the promotion energetically of national related industry policy recent years
It is fast-developing.The new-energy automobile ownership in China is with annual 30% speed increase at present, relevant industry also by
Gradually grow, quickly grows.
On the one hand, the development bottleneck of new-energy automobile depends on high specific energy, long-life, the height of energy-storage battery technology
(effect charge and discharge) performance, cost effective industry solution；On the other hand, the popularization and application of new-energy automobile is promoted again restricted
In the influence of the infrastructure constructions such as charging pile, new-energy automobile O&M value-added service cloud platform lag.The former needs energy storage new
The technologies such as material, new process continue to break through, the innovation and application that the latter needs that related industry policy pushes, new technology is integrated etc..
Currently, the new-energy automobile in China is due to the factors limit such as stored energy power battery specific energy is low, the service life is short, charging station is few
System is mainly run in big and medium-sized cities and suburban area.Due to factors such as course continuation mileage is short, charging station construction difficulties, complete to restrict
The extensive popularization and application of new-energy automobile, presently mainly city bus, part bus and family are ridden instead of walk car form
It is using.It just turns turtle when new-energy automobile leaves big and medium-sized cities.Currently, the construction of charging station is mainly covered in power grid
Lid and Highways ' have the place of power circuit that could build, and concentrate on big and medium-sized cities or suburbs construction, and charging station substantially
Construction need the examination & approval of the relevant departments such as electric power, territory or urban planning unit, process is complicated, the period is long, at high cost.
In existing canonical correlation patented technology, patent document CN201520795046 discloses light storage and fills integrated parking
Canopy, integrate photovoltaic power generation, battery energy storage, intelligent charger carport, but in view of specifically answering along expressway
With occasion, it is necessary to could be installed in the place for having power grid, such as expressway gas station, expressway gas station generally distance is all very
Far, the continuation of the journey of electric car is constrained.
Patent document CN201510632403 discloses the wind-light storage charging station system based on distributed common DC bus,
Photovoltaic, wind-power electricity generation are accessed using the framework of single DC bus, they are that electric car charges as energy-accumulating power station, but disclosed skill
Charging station direct current networking has been briefly described in art content, is not directly applicable in highway charging station scheme.
Patent document CN201611006478 discloses a kind of electric automobile charging station power supply system based on independent micro-grid,
System includes AC/DC bus, microgrid management system, provides diesel engine, photovoltaic, blower access, but without reference to highway
Distributed Application along the system topological optimization of application scenarios and highway, is especially arranged symmetrically the interconnection of charging station along the line
Energy mutually helps scheme.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of highway distribution light-
The self-service charging station of alternating current-direct current mixed connection microgrid is stored up-filled, " can only be walked not in city and suburbs use with solving current new-energy automobile
Far ", " without electric stake " the problem of.
To achieve the above object, the technical solution of the utility model is：
Highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid, and the charging station is separately positioned on institute
The two sides of highway are stated, the charging station includes Generation Side and load side；The Generation Side include renewable energy generating system,
The output end of energy-accumulating power station and DC bus, renewable energy generating system is converted by the DC-DC with maximal power tracing
Device is linked into DC bus, and energy-accumulating power station is connected with DC bus；The load side includes double mode (AC/DC) charging
Stake and ac bus, DC bus are connected by DC-AC converter with ac bus, the double mode of a portion (friendship/
Direct current) input terminal of charging pile is connected with DC bus, the input terminal of the double mode of another part (hand over/straight) charging pile and friendship
Stream bus is connected；It is connected between the DC bus of the opposite charging station in highway two sides by the energy line that mutually helps.
The renewable energy generating system is photovoltaic array, and photovoltaic array is installed on the ownership of 3-5 meters of highway two sides
In range.
The energy-accumulating power station mainly by with BMS battery pack and bidirectional DC-DC converter form, with BMS electricity
Pond group is connected by bidirectional DC-DC converter with DC bus.
The charging station further includes monitoring management platform, and the monitoring management platform is respectively and with maximal power tracing
DC-DC converter, the battery pack with BMS and double mode (AC/DC) charging pile are connected, to monitor photovoltaic battle array respectively
The work shape of the power generation output situations of column, the working condition of battery pack with BMS and double mode (AC/DC) charging pile
State.
Double mode (AC/DC) charging pile two sides in the arc-shaped for being arranged in highway.
It further includes monitor terminal that the highway distribution light-storage-, which fills the self-service charging station of alternating current-direct current mixed connection microgrid, institute
It states monitoring management platform and it being monitored to, obtaining monitoring data is uploaded to cloud, cloud platform provides charging station maintenance and vehicle simultaneously
Main two aspect real time data information of charging service, i.e.,：Monitor terminal obtains monitoring data (power station equipment operation by cloud in real time
Status data), also charging station service information data is provided (such as car owner：Charging station location can use charging pile quantity, power station electricity
Energy situation etc.).
The DC bus is the DC bus of 750V or more.
The photovoltaic array is installed using ground or the mounting means of photovoltaic carport.
The energy line that mutually helps is installed by the way of aerial or buried.
The utility model compared with prior art, the beneficial effect is that：
1, the dependence to traditional power grid has been evaded completely, certainly using the photovoltaic-energy storage-charging electric automobile for dispersing to minimize
The relay of charging station is helped to be arranged, it is low to current stored energy power battery specific energy, the service life is short, course continuation mileage (200-300 kilometers) has
The technical bottlenecks problems such as limit provide good solution, also open bigger application market for the application of Photovoltaic new energy
It is the direct-coupling of grid-connected power generation system and electric car, and direct new energy electric power driving automobile truly.
2, the direct-current grid that photovoltaic-energy storage is constituted, in load side by using alternating current-direct current mixing micro-capacitance sensor topological optimization
Configuration, the high-efficiency and economic operation for meeting the needs of multi-mode (AC and DC charging) charging pile, realizing charging station system.System
For self alternating current-direct current mixing micro-capacitance sensor, the charging station construction being arranged symmetrically by highway two sides and mutually Ji DC bus
Uneven, efficiently mutual Ji reliability service of the symmetric charge station because of two-way charging wagon flow is realized in connection.The system topological is not necessarily to bulk power grid
Access, eliminates high distribution network construction cost.
3, the charging station can realize unattended, intelligent operation and the self-service charging service in cloud.Generally for 10 trolleys
For the charging station installation occupied area of charging in 500 ㎡ or so, installation implementation engineering is more much smaller than conventional gasoline station, saves phase
Cost is closed, convenient for building along highway, being fully solved new-energy automobile by relay along the line.
Detailed description of the invention
Fig. 1 is that the utility model embodiment highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid
A kind of application schematic diagram；
Fig. 2 is that the utility model embodiment highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid
Electrical connection diagram；
Fig. 3 is that the utility model embodiment highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid
Another application schematic diagram.
Specific embodiment
The content of the utility model is described in further details with reference to the accompanying drawings and detailed description.
Embodiment：
As shown in Figure 1, highway distribution light-storage-provided in this embodiment fills the self-service charging of alternating current-direct current mixed connection microgrid
The arrangement of Zhan Yan highway straight line, the place that building site selection does not have trees to shade on highway both sides, roadside are relatively right
Claim each self installation one charging station, as shown in Fig. 2, the charging station includes Generation Side and load side；Wherein, Generation Side mainly wraps
Include photovoltaic array 1, battery pack 2 and direct current with BMS (BATTERY MANAGEMENT SYSTEM, battery management system)
Bus.Using existing freeway net, upper along it to install photovoltaic array 1, every 20 kilometers or shorter of distance is in high speed
Photovoltaic array 1 is installed, photovoltaic array 1 can take ground to install or photovoltaic carport within the scope of the ownership that 3-5 meters of both sides of highway
Mounting means, the output end of photovoltaic array 1 by the DC-DC converter with maximal power tracing (MPPT) function by being accessed
Into DC bus, to be built into the middle-size and small-size direct-current grid system of 750V or more or higher voltage (such as 10kV) DC bus
System, and there is the battery pack of BMS to be connect by bidirectional DC-DC converter with the DC bus of 750V or higher voltage grade for this,
Stable DC bus-bar voltage is established by two-way isolation DC-DC converter, the bus and Generation Side DC bus simultaneously connect.It is two-way
DC-DC converter is multiple module paralleling structure, is suitable for wide input battery voltage range, in this way, one caused by photovoltaic array
Part electricity can be stored in the battery pack with BMS by bidirectional DC-DC converter, and works as electricity caused by photovoltaic array
When not being able to satisfy the power demand of load side, the battery pack with BMS can convey electricity into DC bus, to realize energy
Maximally utilize.
And the load side mainly includes double mode (AC/DC) charging pile 3 and ac bus, DC bus passes through DC-
AC converter is connected with ac bus, to realize the conversion of DC communication, double mode (AC/DC) charging of a portion
The input terminal of stake is connected with DC bus, the input terminal and ac bus phase of the double mode AC/DC charging pile of another part
Connection, to meet the needs for handing over straight charging pile and other loads.That is, load side (charging pile and other loads) is using friendship
The mode of direct current mixing has operation monitoring, human-computer interaction, power generation prediction, load prediction, energy-accumulating power station SOC real-time measurement etc.,
It can be achieved to distribute rationally.
And the construction of charging station, it (can be filled new according to the configuration quantity and daily available electric energy size of charging pile
The quantity of energy vehicle) plan the installed capacity of self-service charging station.Such as：One self-service charging station (8 stakes), every stake daily may be used
There is provided the charge volume (10x50kWh=500kWh) of 10 trolleys, chargeable vehicle number is a self-service charging station for there are 8 stakes daily
80, total electricity consumption is 8x10x50kWh=4000kWh, and every daily generation is in 4000kWh, then according to South Guangdong area
Solar irradiation, installing solar photovoltaic component should stand ground area about at 1.5-2MW or so (considering that non-optimal azimuth is corrected)
20000 square meters, if calculated in Highways ' two sides installation (3 meters of broadband), length is 6666 meters, and two sides install 3333 meters or so,
Even if having the both sides of the road of landscape tree to install in both sides of highway, every 20 kilometers are installed a self-service charging station, selection over long distances
One only 3000 meters long of best daylighting installation section is to be relatively easy to.The place for not having trees to shade, selection is freer,
Generating effect is also preferable.There is the section property of can choose of bridge to avoid implementing.
In addition, the electricity in order to more uniformly fully utilize two charging stations, as shown in Fig. 1 or 3, highway two sides
It is connected between the DC bus of opposite charging station by the energy line 4 that mutually helps, energy mutually helps line 4 by the way of buried, and two
The tie point on side is：Tie point A and tie point B, two way charging vehicle may be implemented can be uneven, two energy-accumulating power stations
Energy mutually helps, it can realize the dilatation of charging station, such as：In peak period of going out of the city, the vehicle flowrate of a direction is larger, and another
The vehicle flowrate very little in direction can alleviate the charging station pressure of single direction, realize energy storage by the parallel connection of the charging station of two sides
The energy in power station mutually helps.
One kind as the present embodiment is preferred, as shown in figure 3, above-mentioned double mode (AC/DC) charging pile is in the arc-shaped
The two sides of highway are arranged in, effectively to save installation space.
Preferably, above-mentioned charging station further includes monitoring management platform and monitor terminal to another kind as the present embodiment,
The monitoring management platform is respectively and the DC-DC converter with maximal power tracing, battery pack and double mode with BMS
(AC/DC) charging pile is connected, to monitor the generating state of photovoltaic array respectively, the work shape of the battery pack with BMS
The information such as the working condition (charging, standby, be full of, abnormal) of state and double mode (AC/DC) charging pile, to understand charging
The operating condition stood, and the related data information of the monitored acquisition of monitoring management platform can then be uploaded to self-service charging station cloud
Platform, charging station relevant staff or new-energy automobile car owner then can be real-time by monitor terminal (such as cell phone application)
The data information of decorrelation, to realize the operation conditions for knowing charging station anywhere or anytime.That is, photovoltaic, energy storage, charging
Machine, monitoring management constitute the framework of independent AC-DC mixing micro-capacitance sensor, and whole system receives the scheduling of monitoring management platform monitoring,
It realizes unattended fully automatic operation, is provided simultaneously with long-range cloud monitoring with cloud and car owner's charging service function is provided.
It should be noted that can also combine or replace by the way of other renewable energy generating systems such as wind-power electricity generation
For photovoltaic array power generation.
For above-described embodiment simply to illustrate that the technical ideas and features of the present invention, its purpose is allows this field
Interior those of ordinary skill can understand the content of the utility model and implement accordingly, can not limit the utility model with this
Protection scope.The equivalent changes or modifications that all essence according to the content of the present invention is made, should all cover in this reality
With in novel protection scope.
Claims (8)
- It-is stored up -1. highway distribution light and fills the self-service charging station of alternating current-direct current mixed connection microgrid, which is characterized in that the charging station point The two sides of the highway are not set, and the charging station mainly includes Generation Side and load side；The Generation Side is including again Raw energy electricity generation system, energy-accumulating power station and DC bus, the output end of renewable energy generating system pass through with maximum power The DC-DC converter of tracking is linked into DC bus, and energy-accumulating power station is connected with DC bus；The load side includes bimodulus Formula alternating current-direct current charging pile and ac bus, DC bus are connected by DC-AC converter with ac bus, a portion The input terminal of double mode alternating current-direct current charging pile be connected with DC bus, the double mode alternating current-direct current charging pile of another part it is defeated Enter end and ac bus is directly connected to；It is mutually helped line phase between the DC bus of the opposite charging station in highway two sides by energy Connection.
- 2. highway distribution light-storage-as described in claim 1 fills the self-service charging station of alternating current-direct current mixed connection microgrid, feature It is, the renewable energy generating system is photovoltaic array, and photovoltaic array is installed on the ownership range of 3-5 meters of highway two sides It is interior.
- 3. highway distribution light-storage-as claimed in claim 1 or 2 fills the self-service charging station of alternating current-direct current mixed connection microgrid, special Sign is, the energy-accumulating power station mainly by with BMS battery pack and bidirectional DC-DC converter form, the battery with BMS Group is connected by two-way isolation DC-DC converter with DC bus.
- 4. highway distribution light-storage-as claimed in claim 3 fills the self-service charging station of alternating current-direct current mixed connection microgrid, feature It is, the charging station further includes monitoring management platform, and the monitoring management platform is respectively and the DC- with maximal power tracing DC converter, the battery pack with BMS and double mode alternating current-direct current charging pile are connected, to monitor the hair of photovoltaic array respectively The working condition of electricity output situation, the working condition of battery pack with BMS and double mode alternating current-direct current charging pile.
- 5. highway distribution light-storage-as described in claim 1 fills the self-service charging station of alternating current-direct current mixed connection microgrid, feature It is, the double mode alternating current-direct current charging pile two sides in the arc-shaped for being arranged in highway.
- 6. highway distribution light-storage-as claimed in claim 4 fills the self-service charging station of alternating current-direct current mixed connection microgrid, feature It is, further includes monitor terminal, it is monitored that obtaining monitoring data is uploaded to self-service charging station cloud by the monitoring management platform Platform is held, monitor terminal obtains monitoring data by cloud in real time；Meanwhile cloud platform also provides car owner's real time charging service letter Breath.
- 7. highway distribution light-storage-as claimed in claim 3 fills the self-service charging station of alternating current-direct current mixed connection microgrid, feature It is, the DC bus is the DC bus of 750V or more.
- 8. highway distribution light-storage-as claimed in claim 2 fills the self-service charging station of alternating current-direct current mixed connection microgrid, feature It is, the photovoltaic array is installed using ground or the mounting means of photovoltaic carport.
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| CN201820362683.9U CN208134120U (en) | 2018-03-16 | 2018-03-16 | Highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid |
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| CN201820362683.9U CN208134120U (en) | 2018-03-16 | 2018-03-16 | Highway distribution light-storage-fills the self-service charging station of alternating current-direct current mixed connection microgrid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394298A (en) * | 2018-03-16 | 2018-08-14 | 中国科学院广州能源研究所 | Highway distribution light-storage-fills the self-service charging station of alternating current-direct current series-parallel connection microgrid |
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- 2018-03-16 CN CN201820362683.9U patent/CN208134120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394298A (en) * | 2018-03-16 | 2018-08-14 | 中国科学院广州能源研究所 | Highway distribution light-storage-fills the self-service charging station of alternating current-direct current series-parallel connection microgrid |
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