CN107176048A - A kind of charging system of electric vehicle parking - Google Patents
A kind of charging system of electric vehicle parking Download PDFInfo
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- CN107176048A CN107176048A CN201710423067.XA CN201710423067A CN107176048A CN 107176048 A CN107176048 A CN 107176048A CN 201710423067 A CN201710423067 A CN 201710423067A CN 107176048 A CN107176048 A CN 107176048A
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- charging
- charging pile
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- pile
- charging system
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- 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
- 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
Abstract
The present invention is applied to electric car charging field, there is provided a kind of charging system of electric vehicle parking, the charging system includes main charging pile, from charging pile and some charging guns, it is described to be electrically connected with the main charging pile from charging pile, some charging guns are respectively arranged at the main charging pile and described from charging pile, the charging system being related in the present invention, flexible topology, with reference to place, car number, circuit, the key element features such as operation, day part can not only be efficiently combined with to be charged, alleviation station can also be concentrated, build stake, the solution of many pressure such as artificial, save cost.
Description
Technical field
The invention belongs to the charging system in electric car charging field, more particularly to a kind of electric vehicle parking.
Background technology
At present, domestic existing charge mode mainly has following four：
The i.e. mold filling formula 1. vehicle enters the station：After each car is according to sequence operation several times of dispatching a car, you can charged, electric energy will have been consumed
All supplement is finished；After charging terminates, re-enter sequence of dispatching a car is come into operation.
Vehicle concentrates charge mode.Each car completes same day operation afterwards several times according to sequence operation of dispatching a car, and now stops car
Put to charging pile and treat that the paddy phase carries out disposable, charging for a long time, having consumed electric energy, all supplement is finished, and next day puts into battalion again
Fortune.
Vehicle, which enters the station, mends electricity and charging binding pattern.After each car is according to sequence operation several times of dispatching a car, mended into charging station
Electricity, but need not will consume electric energy and all fill, electricity metering is mended using the electric energy needed for the number of times that reruns as criterion, completes one
After the operation for determining number of times, vehicle is stopped into field, the concentration charging of paddy phase at night is carried out.
Battery changes pattern.After vehicle is according to sequence operation several times of dispatching a car, into electrical changing station, the battery consumed is torn open
Under, change one group of full electric battery, you can dispatch a car sequence into next round.The battery changed be arranged at take turns daytime current charge or
Night disposably concentrates charging.But not only construction cost is high for the pattern, and battery and vehicle contact point are unstable, and fault rate is high.
In above-mentioned several schemes, the characteristics of having one jointly, exactly the quantitative requirement to charging pile is high, build charging
Floor space of standing is big, paddy phase utilization rate is limited, and effective carry can not be obtained by especially stopping the concentration charge efficiency of a vehicle to night
Rise, cause enterprise to set up the added cost of charging station, charging station paddy peak efficiency is low, and input construction cost and later stage is runed into
Originally maximal efficiency can not be played.
The content of the invention
It is an object of the invention to provide a kind of charging system of electric vehicle parking, it is intended to solves prior art to charging
The problem of quantitative requirement of stake is high, it is big to build charging station floor space, paddy phase utilization rate is limited, especially stops a vehicle to night
Concentrate charge efficiency not lifted effectively, cause enterprise to set up the added cost of charging station, charging station paddy peak efficiency is low,
Input construction cost and later stage operation cost can not play maximal efficiency.
The present invention is achieved in that a kind of charging system of electric vehicle parking, and the charging system includes main charging
Stake, from charging pile and some charging guns, described to be electrically connected with the main charging pile from charging pile, some charging guns are set respectively
It is placed in the main charging pile and described from charging pile, it is described to be electrically connected with the main charging pile from charging pile.
The present invention further technical scheme be：The charging system also include it is some from charging pile, it is some described from filling
Electric stake is electrically connected with a main charging pile, and some charging guns connect some described from charging pile respectively.
The present invention further technical scheme be：The charging system includes some main charging piles, when some masters fill
Electric stake be respectively electrically connected with described in one from charging pile when, some main charging pile quantity be equal to it is some described from charging pile, if
Do the main charging pile and some described connect a charging gun respectively from charging pile；When some main charging pile difference
Be electrically connected with it is one or more it is described from charging pile when, some main charging pile quantity be less than it is some described from charging pile, if
Do the main charging pile and some described connect a charging gun respectively from charging pile.
The present invention further technical scheme be：The main charging pile and from charging pile in bifurcated arrange.
The present invention further technical scheme be：The main charging pile and it is some it is described from charging pile in opposed type arrangement.
The present invention further technical scheme be：The main charging pile and some described from the L-shaped arrangement of charging pile.
The present invention further technical scheme be：Some main charging piles and it is some it is described from charging pile in including cover type
Arrangement.
The present invention further technical scheme be：The main charging pile is arranged at be electrically connected described from charging pile
Center.
The beneficial effects of the invention are as follows：The charging system being related in the present invention, flexible topology, with reference to place, car number, line
The key element feature such as road, operation, can not only efficiently be combined with day part and be charged, moreover it is possible to concentrate alleviate station, build stake, it is artificial
Etc. the solution of many pressure, cost is saved.
Brief description of the drawings
Fig. 1 is charging system front view provided in an embodiment of the present invention；
Fig. 2 is bifurcated distribution map provided in an embodiment of the present invention；
Fig. 3 is opposed type distribution map provided in an embodiment of the present invention；
Fig. 4 is cover type distribution map provided in an embodiment of the present invention；
Fig. 5 is paddy electricity utilization rate ratio chart provided in an embodiment of the present invention；
Fig. 6 is knee ratio chart provided in an embodiment of the present invention；
Fig. 7 is average daily electricity price ratio chart provided in an embodiment of the present invention；
Fig. 8 is big industrial day part electricity price ratio chart provided in an embodiment of the present invention；
Fig. 9 is actual saving schematic diagram provided in an embodiment of the present invention；
Figure 10 is charging pile demand percentage figure provided in an embodiment of the present invention；
Figure 11 is charging pile floor space requirements ratio chart provided in an embodiment of the present invention.
Embodiment
Reference：The main charging pile 2- of 1- are from charging pile 3- charging guns.
As shown in Figures 1 and 2, this charging system includes main charging pile 1, from charging pile 2 and some charging guns 3, it is described from
Charging pile 2 is electrically connected with the main charging pile 1, and some charging guns 3 are respectively arranged at the main charging pile 1 and described from filling
In electric stake 2, the present invention is using by charging pile splits into a main charging pile, one from charging, the method for mutual cooperation, to expand
The area of charging, and charging pile no longer independent partitions construction, to reduce floor space simultaneously so that can be accommodated more in parking lot
Many vehicles are charged, and charged area is combined closely with parking lot, improve efficiency.
As shown in Figures 1 and 3, the charging system also include it is some from charging pile 2, main charging pile 1 of the invention may be used also
With coordinate simultaneously it is multiple charged from charging pile 2, it is some it is described be electrically connected with from charging pile 2 with the individual main charging pile 1, if
Do the charging gun 3 and connect some described from charging pile 2 respectively, in the case where voltage allows, can directly pass through a master
Charging pile 1 drive it is multiple vehicle is charged from charging pile 2, charging system of the invention can only allow main charging pile 1 or certain
Individual to carry out charging operations from charging pile 2, when parking lot, scale is smaller, and charging vehicle is less, can use a main band of charging pile 1
Move multiple patterns from charging pile 2 to be charged, reduce installation cost and floor space, while also ensuring charge efficiency.
As shown in Fig. 1 and Fig. 4, when the parking lot that the present invention is faced is larger, when charging vehicle is more, it can use many
Individual main charging pile 1 coordinates multiple patterns from charging pile 2 to be charged, and the charging system includes some main charging piles 1, if when
Do the main charging pile 1 respectively be electrically connected with one described in from charging pile 2 when, some main quantity of charging pile 1 be equal to some institutes
State from charging pile 2, some main charging piles 1 and some described connect a charging gun 3 respectively from charging pile；When some
The main charging pile 1 be electrically connected it is one or more it is described from charging pile 2 when, some main quantity of charging pile 1 are less than
It is some described from charging pile 2, some main charging piles 1 and it is some it is described connect a charging gun 3 respectively from charging pile,
By setting up multiple main charging piles 1 with being coordinated from charging pile 2, it is possible to achieve while carrying out charging behaviour simultaneously to many automobiles
Make, it is ensured that charge efficiency.
The present invention includes following three kinds of arrangement modes by adjusting main charging pile 1 and the position relationship from charging pile 2：
As shown in Fig. 2 be bifurcated arrangement, encourage the main charging pile 1 and it is described be electrically connected with from charging pile 2, the main charging
Stake 1 and the vehicle being respectively from charging pile 2 in its vertical direction are charged, and this arrangement mode is applied to vehicle and presses car
Road arrangement stops field, singly enters the parking lot of single exit pattern, and possess the isolation strip built stake or build rifle between track.Arrangement form master
Sleeve configuration, channel-style station are directed to, branch's layout is carried out according to vehicle running lanes, advantage is that charging gun 3 covers model
Enclose larger, branch can extend according to position, it is preferred that a track can also be reserved, for the vehicle progress electricity for stopping walking
Amount supplement.
As shown in figure 3, be opposed type arrangement, the main charging pile 1 and it is some it is described be arranged in a linear from charging pile 2, institute
State main charging pile 1 and some automobiles being respectively from charging pile 2 in its vertical direction are charged, the arrangement form is applicable
In large-scale synthesis station, station area is big, and vehicle, which stops field, to be laid out with arranged type.It is advantageous that specification of layouting, charging is orderly,
Circuit bus layout is simple；In order to adapt to more different occasions, and can be by the main charging pile 1 and some described from charging
2 L-shaped arrangements of stake, to cover wider array of charging area, improve charge efficiency.
It is some described to be electrically connected with some main charging piles 1, institute from charging pile 2 as shown in figure 4, be cover type arrangement
State main charging pile 1 and described from one parking stall of each Self Matching of charging pile 2, it is adaptable to which area is big, stop the crowded station in field.Its is excellent
Gesture is to make full use of the vacant area layout charging gun 3 in station, maximizes and solves Vehicular charging in field, is relatively adapted to flexibility
Night charges, and further lifts charge efficiency by flexibility charging, saves artificial and charging interval paddy phase.
In above-mentioned several arrangement modes, in order to reduce the loss that electric energy occurs during transmission, reduction charging
Main charging pile 1, should be arranged at described from the center of charging pile 2 by cost.
Because peak times of power consumption, charging cost is higher, the present invention can be waited after parking stall is fully parked with, and wait the low power consumption phase
When Unified Set in charge, reduce charging cost, in the present invention, also reserved and stopped to walk track, when vehicle not enough power supply,
It can enter and stop to walk in track to be charged, charging is left after finishing, and other Vehicular chargings are not influenceed.
The present invention has begun to experiment on the bus of Shenzhen, makes a general survey of the cost control of above-mentioned several schemes, and the present invention exists
In the process of the comprehensive motorized in Shenzhen, indirect economic effect at least more than 2,000,000,000 can be brought for Shenzhen every year.The present invention is brought
Technological innovation, push forward the decisions work all with pioneer in the process of public transport motorized comprehensively in the future in Shenzhen or even the whole nation
With irreplaceable and indispensable, specific benefit enters following table.
Table 1 overflows economic benefit
| Project | Shenzhen bus group saves | Shenzhen's public transit trade is saved |
| Terminal cost（Wan Yuan） | 10000+ | 25600+ |
| Charging pile cost（Wan Yuan） | 43000+ | 110000+ |
| Charge labour cost（Wan Yuan） | 4950+ | 15000+ |
| Vehicular charging takes（Wan Yuan） | 17000+ | 45000+ |
| It is total（Wan Yuan） | 64950+ | 195600+ |
According to traditional charge mode, charging pile is built according to wall, and charging vehicle moves car charging in turn, operation production by charging schedules and
The restriction of course continuation mileage, must arrange charging during operating, to peak period bus dispatching rate, vehicle departure interval, traveling service quality,
And strong influence is all brought because night moves the triggered potential safety hazard of car charging, subversive shadow is brought to operation production
Ring.According to traditional charge mode, paddy phase utilization rate can only achieve 34%, thus the operating time on daytime charge period than this hair
Bright charging system is more more than 2 times, and operation production is caused to have a strong impact on.
As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the paddy electricity utilization rate of experiment station reaches 97%, and paddy phase charge efficiency reaches
70% or so, traditional charge mode stake car is compared 1 by charging average electricity price up to 0.46 yuan/degree:3 are promoted to 1:6, and in actual operation
In realize 1:6.2 more excellent proportioning, paddy phase charging pile car ratio reaches 1:5.4, it is greatly improved charge efficiency.For paddy electricity
Efficiently using being enough to reflect, the present invention gives positive service support to tradition operation production.On this basis, Shenzhen bar
190 kilometers of the average daily distance travelled of the pure electric bus of scholar group, the service efficiency of pure electric vehicle has reached the 93% of conventional bus,
And the service efficiency for initially delivering period is only 60%.The guarantee to operation production is realized, is the comprehensive motorized note of public transit trade
Enter enough confidence, the present invention is compared as follows table with traditional charge mode quality.
The good and bad contrast of table 2
| System charge mode | The charging system of electric vehicle parking |
| Characteristic：Operation yields to charging schedules, and vehicle is restricted during runing by forced charge, time consumption and energy consumption Charged to charging pile, considerable influence is brought for operation, passive state is presented in production scheduling. | Characteristic is overturned：Operation is gived top priority, charging schedules serve operation arrangement with merging with all strength, layout of suiting measures to local conditions yard is built If autonomous Design, planning are arranged net, in the case where ensureing operation, vehicle charge requirement on the spot is met, is changed from passive to active. |
| Parking lot can not make full use of, and parking at night is compact, and vehicle moves difficulty, and charging vehicle number is limited. | Car is moved without night, station area is maximally utilized, how much is the how many chargings of parking. |
| Service time can not make full use of, and night charging vehicle causes the Vehicular charging time on daytime many less, take fortune Battalion's time. | The benefit electric time on daytime is few, mends electricity using the flat peak phase is runed, does not disturb operation substantially. |
| Paddy electricity can not make full use of, and night charge volume causes paddy electricity utilization rate low less, and grid electricity fee cost is high. | Paddy electricity period all standing, the average electricity charge decline to a great extent. |
By taking the bus group of Shenzhen as an example, " internet+", RF wireless radio-frequencies, location technology are utilized, dispatching platform is integrated, it is interior
Portion's real-time monitoring, outside real-time query can be achieved multi-field（Bus, taxi, commuting touring car, public vehicles etc.）, it is many
Site（Charging pile, operation route in each charging station, net）Fine-grained management.All things considered, mainly realizes following task：
One is to realize " matching of people's car ", and effective scheduling is realized to commerial vehicle, and vehicle, which is arranged an order according to class and grade, driver arranges an order according to class and grade etc. runs instruction and pass through
Platform sends and confirmed, especially effective combination with charging instruction should meet the efficient management and control utilized to paddy electricity, meet again
Operation production is to civic service promise.
Two be to realize " matching of stake car ", and various vehicles are by information platform, and in modes such as mobile phone A PP, quickly inquiry is filled nearby
Power station stake traffic-operating period, reduces vehicle deadhead kilometres, reduces charging and waits in line, improves electrically-charging equipment service efficiency.
Three be that security control is carried out to new energy vehicle and electrically-charging equipment, and platform is believed user's information of vehicles, electrically-charging equipment
Breath is grasped comprehensively from security control aspect, and the information such as vehicle mounted dynamic battery is abnormal, electrically-charging equipment is abnormal, charging exception shifts to an earlier date
Early warning and disposal.
Four be to realize big data function of statistic analysis, to all user's energy consumption of vehicles, driving path, run time, failure
Frequency etc. carries out statistical analysis, is urban passenger OD survey and analysis, new energy vehicle technological improvement, new energy vehicle development rule
Draw, facility optimizes layout etc. and provides effective foundation.
Operation intellectuality is the management requirement proposed for facilities and equipment scale and networking layout, essentially consists in supervision car
, facility operation safety, play warning function；The matching of people's car, the matching of stake car are realized, vehicle, facility operation efficiency is improved, reaches
Fine-grained management target.
As shown in figure 9, the present invention is at present by its clear and definite technical feasibility of correlation technique mechanism.From the process of model test
With effect we it is seen that, the quick charge mode of net formula possess cloth build independently, operation guarantees, electricity consumption economy, charge efficient four
Big feature, the pattern has stronger reproducibility and operability.This is a technology having across epoch, milestone significance
Innovation, it not only overcomes the bottleneck problem of public transport station resource critical shortage, more in charging pile construction, cost of labor and ladder
The many-sides such as electricity price benefit a lot.
As shown in Figures 10 and 11, by taking the bus group of Shenzhen as an example, according to original operating mode, a charging pile charging one
Platform bus, 5717 buses press 1:3 proportioning charging piles are, it is necessary to charging pile 1785, by December, 2015, Shenzhen bus
Group only has charging pile 453, and light charging pile breach just has 1332.According to relevant departments' safety standard conversion, " 5000 ㎡'s
Public transport station can build 12 charging piles ", 5717 buses of Shenzhen bus group need the square meter of rent-seeking public transport station 370,000, by complete
The bus conservative estimation of 14000, city, public transit trade is in the square meter of whole city scope domestic demand rent-seeking station resource 970,000.This station is provided
The rare number in source is for public transit trade, for the Special Zone City of a high new development, is entirely impossible
Pseudo- proposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of charging system of electric vehicle parking, it is characterised in that the charging system includes main charging pile（1）, from filling
Electric stake（2）And some charging guns（3）, it is described from charging pile（2）It is electrically connected with the main charging pile（1）, some charging guns
（3）It is respectively arranged at the main charging pile（1）And it is described from charging pile（2）On.
2. charging system according to claim 1, it is characterised in that the charging system also includes some from charging pile
（2）, it is some described from charging pile（2）It is electrically connected with a main charging pile（1）, some charging guns（3）Connect respectively
It is some described from charging pile（2）.
3. charging system according to claim 2, it is characterised in that the charging system includes some main charging piles（1）,
When some main charging piles（1）It is each to be electrically connected with described in one from charging pile（2）When, some main charging piles（1）Quantity
It is described from charging pile equal to some（2）, some main charging piles（1）And some described connected respectively described in one from charging pile
Charging gun（3）；When some main charging piles（1）It is electrically connected one or more described from charging pile（2）When, Ruo Gansuo
State main charging pile（1）Quantity is less than some described from charging pile（2）, some main charging piles（1）And it is some described from charging
Stake connects a charging gun respectively（3）.
4. the charging system according to claim 1, it is characterised in that the main charging pile（1）And from charging pile（2）It is in
Bifurcated is arranged.
5. the charging system according to claim 2, it is characterised in that the main charging pile（1）And it is some described from filling
Electric stake（2）Arranged in opposed type.
6. the charging system according to claim 2, it is characterised in that the main charging pile（1）And it is some described from filling
Electric stake（2）L-shaped arrangement.
7. the charging system according to any one of claim 3, it is characterised in that some main charging piles（1）And if
It is dry described from charging pile（2）Arranged in cover type is included.
8. the charging system according to any one of claim 2 to 7, it is characterised in that the main charging pile（1）It is arranged at
What is be electrically connected is described from charging pile（2）Center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423067.XA CN107176048A (en) | 2017-06-07 | 2017-06-07 | A kind of charging system of electric vehicle parking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423067.XA CN107176048A (en) | 2017-06-07 | 2017-06-07 | A kind of charging system of electric vehicle parking |
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| CN110439344A (en) * | 2019-08-02 | 2019-11-12 | 重庆三峡学院 | A kind of large parking lot that electric vehicle is interacted with power grid |
| TWI822018B (en) * | 2022-04-29 | 2023-11-11 | 湛積股份有限公司 | Optimizing method for deployment of charging stations and planning system for charging stations |
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