CN201893567U - Electric energy supply system for electric automobile - Google Patents
Electric energy supply system for electric automobile Download PDFInfo
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- CN201893567U CN201893567U CN2010205614825U CN201020561482U CN201893567U CN 201893567 U CN201893567 U CN 201893567U CN 2010205614825 U CN2010205614825 U CN 2010205614825U CN 201020561482 U CN201020561482 U CN 201020561482U CN 201893567 U CN201893567 U CN 201893567U
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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
- 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
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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Abstract
The utility model provides an electric energy supply system for an electric automobile, which is a highly intelligent electric energy supply system for the electric automobile, and comprises a power supply and distribution system, a charging system, a monitor system and a metering and billing system. The charging system comprises a direct-current charger and an alternating-current charging pile, the metering and billing system comprises a gateway meter, a direct-current meter, an alternating-current meter, a metering management machine and a billing system, and the monitor system comprises a power distribution system monitor, a charging system monitor and a monitoring center. The electric energy supply system for an electric automobile increases intelligent and automation level while realizing basic functions, realizes unattended operation or operation guarded by fewer people, and then realizes the purpose of economic, safe and high-efficient operation. The configuration scheme and the equipment selection method of the electric energy supply system for an electric automobile provide specific design reference for construction of electric automobile charging stations.
Description
Technical field
The utility model relates to the electric automobile power supply technique, relates in particular to a kind of electric car electric energy feed system.
Background technology
Electric automobile receives the very big concern of countries in the world government and car manufactures as cleaning, environment-friendly vehicle.Wherein Japan is subjected to the influence of own resource, and the research starting that drops into aspect electric vehicle development early.Japan the nineties motor corporation such as Toyota, Honda just released electric automobile and hybrid vehicle, and set up experimental electric automobile charging station in some places.The daily output of the third-largest depot of Japan is planned at the practical pure electric automobile of release in 2010 based on Tiida, and has set up the charging station of electric automobile in Japanese main cities.The US and European various countries have also launched extensive studies to the charging electric vehicle facility, German Economy portion in 2009, Chinese Ministry of Environmental Protection, Ministry of Communications etc. set up " electric automobile national development plan " jointly, target is to make the electric automobile recoverable amount reach 1,000,000 at least to the year two thousand twenty, Germany the 4th RWE Utilities Electric Co. of big bus system house and Germany wears Farnham-Mercedes and will unite and set up 500 electric automobile charging stations, for German electric automobile market development lays the foundation.As seen, external all in the construction of positive propelling electric car electric energy feed system.
China company and unit is also in the construction of positive propelling electric car electric energy feed system.For example, BYD motor corporation has built up electric automobile in Shanghai BYD research and development centre and has charged and discharged the power station; Subsequently, BYD again in Beijing, three bases such as Shenzhen, Xi'an have finished the internal electrical electrical automobile and have charged and discharged the construction in power station, and planned to build a collection of charging pile and solve the charging electric vehicle problem near master city, Shenzhen.The also positive construction of having carried out the electric car electric energy feed system of Chinese Enterprise such as Guodian Nannui Tech Co., Ltd, Xuji Power Supply Co., Ltd, special fast limited company difficult to understand.
But each company lacks electric automobile energy feed system standardization construction method for designing in process of construction, and the construction intellectuality of electric car electric energy feed system, automatization level are lower; In addition, also there is uneconomical and unsafe problem in the construction of electric automobile energy feed system.
Summary of the invention
A technical problem to be solved in the utility model provides a kind of electric car electric energy feed system, has higher automatization level.
An aspect of the present utility model provides a kind of electric car electric energy feed system, comprises power supply and distribution system, charging system, supervisory control system and metering and billing system;
Wherein, charging system comprises dc charging motor and alternating-current charging pile;
The metering and billing system comprises:
Be used for the Source of Gateway Meter that the electric weight to charging station measures;
The DC meter that is used for the metering of dc charging motor electric weight;
The AC ammeter that is used for the metering of alternating-current charging pile electric weight;
Link to each other with Source of Gateway Meter, DC meter and AC ammeter to collect from the management through quantification machine of the metrical information of Source of Gateway Meter, DC meter and AC ammeter;
Link to each other, be used to receive metrical information with the management through quantification machine, obtain the charge system that the electricity charge amount of money carries out user's charge and consumption information management according to metrical information from the management through quantification machine;
Supervisory control system comprises:
Be used to monitor the power supply-distribution system monitoring of power supply and distribution system;
Be used for the monitoring of charging system and the charging system monitoring of charging control;
Link to each other with power supply-distribution system monitoring and charging system monitoring to gather, to handle the data monitored from power supply-distribution system monitoring and charging system, carry out data exhibiting and to issue the Surveillance center of control command with the operation of monitoring charger and power supply and distribution system.
According to an embodiment of the utility model electric car electric energy feed system, power supply and distribution system comprise:
Be used to provide the electric power system of the supply of high-voltage ac power;
Link to each other, be used for the high-voltage ac power that electric power system is supplied with is changed into the transformer of low-voltage alternating current power supply with electric power system;
Link to each other with transformer, be used for distribution system from the equipment of the low-voltage alternating current power supply supply of electrical energy feed system of transformer;
Active filtering reactive power compensation device links to each other with distribution system; With
Link to each other, be used to finish the direct current operative power source that the direct current energy of circuit breaker operation mechanism and power distribution protection measure and control device is supplied with distribution system.
According to an embodiment of the utility model electric car electric energy feed system, electric power system comprises inlet wire metering cabinet, PT and lightning arrester cabinet and the outlet cabinet that connects successively.
According to an embodiment of the utility model electric car electric energy feed system, electric power system adopts 10kV power supply two-way often to supply pattern, one road 10kV power supply, one road 400V power supply standby mode or one road 400V powering mode each other.
According to an embodiment of the utility model electric car electric energy feed system, dc charging motor adopts phase control rectifier or HF switch rectification pattern; Alternating-current charging pile is one one and fills formula, two formula or wall-hanging of filling.
According to an embodiment of the utility model electric car electric energy feed system, dc charging motor comprises rectifier cabinet and direct current stake.
According to an embodiment of the utility model electric car electric energy feed system, the power supply-distribution system monitoring comprises communication manager, power distribution protection part and distribution testing control part, and power distribution protection part, distribution testing control part link to each other with communication manager respectively; Communication manager partly receives data from power distribution protection part and distribution testing control, with Surveillance center's communication interaction.
According to an embodiment of the utility model electric car electric energy feed system, power distribution protection partly adopts the inlet wire change to join Microcomputer Protection, perhaps adopts inlet wire to become switch and protects with fuse.
According to an embodiment of the utility model electric car electric energy feed system, supervisory control system also comprises the monitoring of security protection video system, and the monitoring of security protection video system links to each other with Surveillance center by network.
The electric car electric energy feed system that the utility model provides, comprise power supply and distribution system, charging system, supervisory control system and metering and billing system, realize the automatic charging of electric automobile power supply by the metering and billing system, realize the monitoring of whole charging station by supervisory control system, improved intellectuality, the automatization level of electric car electric energy feed system.
Description of drawings
Fig. 1 illustrates the structure chart of an embodiment of electric car electric energy feed system of the present utility model;
Fig. 2 illustrates the structure chart of another embodiment of electric car electric energy feed system of the present utility model;
Fig. 3 illustrates the system schematic of a charging station power supply of the present utility model and an embodiment of distribution system;
Fig. 4 illustrates the system schematic of charging station power supply of the present utility model and another embodiment of distribution system;
Fig. 5 illustrates the structure chart of an embodiment of charging system of the present utility model;
Fig. 6 illustrates the system schematic of an embodiment of metering and billing of the present utility model system;
Fig. 7 illustrates the system schematic of an embodiment of supervisory control system of the present utility model;
Fig. 8 illustrates the system schematic of another embodiment of supervisory control system of the present utility model.
Embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model wherein is described.In the accompanying drawings, identical label is represented same or analogous parts or element.
Fig. 1 illustrates the structure chart of an embodiment of electric car electric energy feed system of the present utility model.As shown in Figure 1, the electric car electric energy feed system 100 of this embodiment comprises power supply and distribution system 1, charging system 2, supervisory control system 3 and metering and billing system 4.
Power supply and distribution system 1 are mainly charging system 2 provides AC power to supply with; Power supply also can exchange or direct-current power supply for the other system in the electric car electric energy feed system 100 or equipment provide with distribution system 1.
Charging system 2 comprises dc charging motor 10 and alternating-current charging pile 11, and the AC energy that being responsible for power provides with distribution system 1 is changed, and finishes the supply to electric car electric energy.Dc charging motor 10 is for electric automobile provides direct current energy, and alternating-current charging pile 11 provides AC energy for electric motor car.By dc charging motor 10 and AC charging machine 11, charging system 2 can provide AC energy for the electric automobile with vehicle-mounted charge machine, for the electric automobile that does not possess the vehicle-mounted charge machine provides direct current energy.Charging system 2 has carried out the conversion of alternating current-direct current to the AC energy of powering and distribution system 1 provides in the direct current process is provided.
Supervisory control system 3 comprises Surveillance center 12, power supply-distribution system monitoring 13 and charging system monitoring 14.Supervisory control system 3 can be supplied with whole process and carries out complete monitoring to ensure and to monitor the reliable supply of electric energy and the real time record of information the exchange supply, ac-dc conversion, direct current of power supply and distribution system 1 and charging system 2.Power supply-distribution system monitoring 13 main monitoring power supply and distribution systems 1; The monitoring and the charging control of charging system 2 is carried out in charging system monitoring 14; The data from power supply-distribution system monitoring 13 and charging system monitoring 14 are gathered, handle, stored in Surveillance center 12, graphical man-machine interface and audio alert function are provided, the data exhibiting of gathering and issue control command is with the operation of monitoring charger and distribution system.Surveillance center 12 can be made up of server and work station, also can increase monitor workstation and number of servers as required, and these computers are interconnected by Ethernet.
Metering and billing system 4 comprises critical point ammeter 16, AC ammeter 17, DC meter 18, management through quantification machine 19 and charge system 20.Source of Gateway Meter 16 for example is configured in electric power system 5 one sides, and the electric weight of whole charging station is measured; AC ammeter 17 is used for the metering of alternating-current charging pile electric weight; DC meter 18 is used for the metering of dc charging motor electric weight; Management through quantification machine 19 collects from the metrical information of Source of Gateway Meter 16, AC ammeter 17 and DC meter 18 metrical information to be sent to charge system 20; The metrical information that charge system 20 receives from management through quantification machine 19 obtains the electricity charge amount of money according to metrical information, carries out user's charge and consumption information management.The metering and billing system is that the electric degree that each link of power supply and distribution system and charging system produces measures, and the power consumption expense is calculated and collected, thereby provide reliable assurance for the commercial operations of electric automobile charging station by charge system.
It may be noted that, in the description of this paper, " charging pile " is not that the shape to this device limits, and only be a kind of habitual appellation of continuing to use this area, device or equipment that all are realized with " charging pile " of the present utility model identical function all should belong to the scope of " charging pile " of the present utility model.
According to an embodiment of the present disclosure, dc charging motor can adopt phase control rectifier or HF switch rectification pattern.Phase control rectifier pattern single-machine capacity is big, is easy to realize big electric current, high-voltage charge, the reliability height, and technology maturation, the cost performance height for ease of maintenaince, is applicable to powerful charger.The phase control rectifier pattern has certain Harmonic Interference.HF switch rectification modular system efficient height, volume is little, and Harmonic Interference is little, can adopt multimode parallel operation mode of operation, the multimode autonomous equalizing current, at OIR, multiple-node backup work, volume is little, and the system reliability height is applicable to the charger of middle-size and small-size power.The selection method of charger for example comprises: according to the characteristic and the quantity of batteries of electric automobile group, determine maximum charging voltage, the output voltage of charger should be able to satisfy the requirement of battery pack maximum charging voltage; According to the capacity of on-vehicle battery group with to the requirement of charging rate, guaranteeing safety, reliable, do not influence under the situation of equipment operate as normal and determine maximum charging current, generally 0.2C～the 1C by battery capacity selects; The communications protocol of charger can adopt and satisfy the agreement that GB requires.The main purpose of dc charging motor is to provide direct current energy for the electric automobile that does not possess the vehicle-mounted charge machine.In the direct current process was provided, charging system had carried out the conversion of alternating current-direct current to the AC energy of powering and distribution system provides.According to an embodiment of the present disclosure, alternating-current charging pile can be divided into one one and fill formula, two formula and wall-hanging of filling.One one is filled the formula alternating-current charging pile charging inlet is provided, and is applicable to the indoor and curb parking position that traffic density is not high; One two fills alternating-current charging pile provides two charging inlets, can be applicable to the parking place that parking density is higher simultaneously for two cars charges; Wall-hanging alternating-current charging pile provides a charging inlet, is applicable to the place that ground space is crowded, periphery has fixed buildings such as wall.When alternating-current charging pile is used at outdoor environment, necessary screening rain facility need be set.Alternating-current charging pile is responsible for the electric automobile with vehicle-mounted charge machine AC energy is provided.
The allocation plan that provides concrete operability for the dc charging motor and the alternating-current charging pile of charging system in the foregoing description, the reasonable configuration charging system can be avoided the idleness of charging device overload operation or superelevation, thereby guarantees whole transformer station high-efficient operation.
Fig. 2 illustrates the structure chart of another embodiment of electric car electric energy feed system of the present utility model.For having the part of same numeral with Fig. 1 among Fig. 2, can describe referring to the correspondence among Fig. 1, for being not described in detail at this for purpose of brevity.Following emphasis is described the difference among Fig. 2.
As shown in Figure 2, in an embodiment of the utility model electric car electric energy feed system 200, power supply and distribution system 1 comprise electric power system 5, transformer 6, distribution system 7, active power filtering and reactive power compensator 8 and direct current operative power source 9.Power supply and distribution system 1 are supplied with for whole electric automobile electric energy feed system provides AC power.Wherein, electric power system 5 provides the supply of high-voltage ac power for whole electric automobile electric energy feed system; The high-voltage ac power that transformer 6 is supplied with electric power system 5 changes into low-voltage alternating current power supply; Distribution system 7 is supplied with low-voltage alternating current power supply the equipment of whole electric energy feed system; Active power filtering and reactive power compensator 8 are used to guarantee the power supply quality of power supply of distribution system 7; Direct current operative power source 9 is responsible for finishing the direct current energy supply of circuit breaker operation mechanism and power distribution protection measure and control device.
In an embodiment of the present utility model, supervisory control system 3 also comprises security protection video system monitoring 15.The example of the specific implementation of a security protection video system monitoring 15 hereinafter will be provided.
Below in conjunction with concrete example each subsystem of electric car electric energy feed system is carried out concrete description.
In one embodiment, power supply and distribution system powering mode can be selected from following 3 kinds of schemes at least: large-scale charging station can adopt 10kV power supply two-way often to supply pattern; Medium-sized charging station can adopt standby each other power supply of one road 10kV power supply, one road 400V power supply; Small-sized charging station adopts one road 400V to power.Below with reference to Fig. 3 and Fig. 4 power supply and distribution system 1 are described.
Fig. 3 illustrates the structure chart of an embodiment of charging station power supply of the present utility model and distribution system, goes for large-scale charging station.Wherein, electric power system 5 adopts the 10kV dual power supply, and the 10kV side adopts the single bus scheme mode, does not establish block switch.High-voltage board adopts the vacuum circuit-breaker intermediate switchgear cabinet, establishes inlet wire metering cabinet 21, PT and lightning arrester cabinet 22, outlet cabinet 23; 400V distribution system 7 adopts the single-trunk segmental wiring mode in the 400V side, establishes and establishes disjunction contact cabinet 26 between incoming line cabinet 24, active power filtering and reactive power compensator 8,25, two sections buses of outlet cabinet.Fig. 4 illustrates the structure chart of an embodiment of charging station distribution system of the present utility model, is applicable to medium-sized charging station.Wherein, the incoming power of electric power system 5 adopts the 10kV single service, and the 10kV side adopts the single bus scheme mode.High-voltage board adopts the vacuum circuit-breaker intermediate switchgear cabinet, when load capacity during less than 400kVA, but also the applied load switch to reduce investment.If inlet wire metering cabinet 21, PT and lightning arrester cabinet 22, outlet cabinet 23.For middle-size and small-size charging station, 400V distribution system 7 adopts two-way inlet wire (main is equipped with) in the 400V side, and the single bus scheme mode is established incoming line cabinet 24 (band metering), active power filtering and reactive power compensator 8, outlet cabinet 26, stand-by power supply incoming line cabinet 36 (band metering).Circuit breaker quantity is selected: every dc charging motor independently is provided with one tunnel outlet circuit breaker, and 4～6 alternating-current charging piles are provided with one tunnel outlet circuit breaker, and the electricity consumption loop is provided with one tunnel outlet circuit breaker in the charging station.Switch cubicle: according to the capacity of outlet circuit breaker, the outlet cabinet adopts drawout cubicle or fixed switch cubicle.Rated operational current 630A and following circuit breaker adopt common breaker of plastic casing; The circuit breaker that rated operational current 630A is above adopts frame circuit breaker.400V distribution system 7 is responsible for the AC power of 400V is supplied with whole electric energy feed system.
3 kinds of type selecting schemes targetedly in the foregoing description, can guarantee that power supply and distribution system 1 provide the alternative energy sources supply for electric automobile charging station reliably, avoid to make charging station obtain the cost optimization construction again because the instability of Alternating Current Power Supply causes the commercial operations normally of charging station.
Below transformer, active power filtering and reactive power compensator and direct current operative power source are illustrated.
Transformer 6 is responsible for the power supply that the 10kV electric power system is supplied with is changed into the AC power of 400V.For transformer 6, distribution transformer capacity (transformer distribution capacity) (S
N) main input capacity (represent with S, convert according to the power output (P) of charger), charger quantity (N), charger simultaneity factor (K according to charger in the charging station
x) and transformer optimum load rate (β
m), power factor
Decision.Installed in the charging station distribution system under the situation of active filtering reactive power compensation device,
Can reach 0.95, following algorithm is adopted in the conversion of charger capacity:
η is the charger operating efficiency, and HF switch rectification charging machine gets 0.95, and the phase control rectifier charger gets 0.85.
The transformer distribution capacity is:
Charger simultaneity factor K
xBy charger operating position and quantity decision, span 0.5～0.8.β
mFor transformer optimum load rate, get 0.8.S
eFor removing miscellaneous equipment total load capacity in the outer charging station of charger, comprise illumination, office power load etc.For reducing transformer noload losses, transformer need be selected the noncrystal transformer of dry type for use.
Active power filtering and reactive power compensator 8 are responsible for guaranteeing the power supply quality of power supply of 400V distribution system 7.In the design of electric automobile charging station, the computational methods of the capacity of active power filtering and reactive power compensator are as follows: S
MendExpression needs the capacity of compensation, K
xBe whole correction factor, need generally to select 0.5～0.8 according to Calculation results and the decision of practical measurement information summary.K
i(i=1,2,3) represent large, medium and small type charger safety factor respectively, generally get 1.05～1.20; η
i(i=1,2,3) represent the charge efficiency of large, medium and small type charger respectively; ξ
i(i=1,2,3) represent the harmonic current containing ratio (getting the maximum in the output voltage range) that large, medium and small type charger produces at ac power input end respectively; S
i(i=1,2,3) represent large, medium and small type separate unit charger power respectively; N1, N2, N3 represent the number of large, medium and small type charger respectively.Compensation capacity is:
According to the compensation capacity of determining, under the prerequisite of taking into account economy and practicality, select the capacity and the quantity of active power filtering and reactive power compensator.
Can be according to DC load capacity configuration direct current operative power source, the configuration capacity of the charging station direct current operative power source of general scale is 40AH.Direct current operative power source 9 is responsible for finishing the direct current energy supply of circuit breaker operation mechanism and power distribution protection measure and control device.
In the foregoing description transformer, active power filtering and reactive power compensator, direct current operative power source in power supply and the distribution system have been done constructive allocation plan, concrete selection method is provided.The reliable type selecting of transformer, active power filtering and reactive power compensator, direct current operative power source can effectively reduce the A.C.power loss of charging station, guarantees the Alternating Current Power Supply quality.
Fig. 5 illustrates the structure chart of an embodiment of charging system of the present utility model.As shown in Figure 5, charging system 2 comprises dc charging motor 10 and alternating-current charging pile 11 among this embodiment.Alternating-current charging pile 11 receives AC energy from outlet cabinet 25, and the output AC electric energy is the charging electric vehicle with vehicle-mounted charge machine.Dc charging motor 10 comprises rectifier cabinet 101 and direct current stake 102.Dc charging motor 10 receives AC energy from outlet cabinet 25, is converted to direct current energy through rectifier cabinet 101, is transferred to direct current stake 102, is the charging electric vehicle that does not have the vehicle-mounted charge machine by direct current stake 102 DC power outputs.
Fig. 6 illustrates the system schematic of an embodiment of metering and billing of the present utility model system.As shown in Figure 6, this metering and billing system 4 comprises Source of Gateway Meter 16, AC ammeter 17, DC meter 18, management through quantification machine 19 and charge system 20.Wherein, critical point ammeter 16 for example is configured in the 10kV side, and whole charging station expense is measured.Usually critical point ammeter 16 required precisions are higher, and configuration kilowatt-hour meter accuracy class for example is meritorious 0.5S and idle 2.0 grades, and the voltage transformer grade is 0.2 grade, and the current transformer grade is the 0.2S level; Ammeter arrives management through quantification machine 19 by RS485 real-time Transmission information.AC ammeter 17 is configured in the alternating-current charging pile 11, is used for the metering of alternating-current charging pile electric weight, and accuracy class is meritorious 0.5S level.By RS485 metrical information is passed to management through quantification machine 19.DC meter 18 is configured between dc charging motor and the electric automobile, is used for the metering of alternating-current charging pile electric weight, and accuracy class is meritorious 0.5S level.By RS485 metrical information is passed to management through quantification machine 19.Management through quantification machine 19 is configured on the measuring screen, is used to collect the kilowatt-hour meter information at full station, by communication modes such as RS485/GPRS metrical information is passed to charge system 20 and higher level's power information acquisition system/monitoring center system 600.Charge system 20 for example comprises accounting server 201 and charging work station 202, calculates the electricity charge amount of money in real time in conjunction with the charge value of metering section collection, and finishes charge and consumption information management to the user.Charge system 20 also can only comprise accounting server 201.
Fig. 7 illustrates the system schematic of an embodiment of supervisory control system of the present utility model.As shown in Figure 7, supervisory control system 3 comprises Surveillance center 12, power supply-distribution system monitoring 13, charging system monitoring 14, security protection video system monitoring 15.Surveillance center 12, power supply-distribution system monitoring 13, charging system monitoring 14 and the monitoring of security protection video system 15 link to each other by network.Supervisory control system 3 is responsible for the exchange supply, ac-dc conversion, direct current of power supply and distribution system 1 and charging system 2 are supplied with whole process and carried out complete monitoring to ensure and to monitor the reliable supply of electric energy and the real time record of information.
Surveillance center 12 mainly finishes collection, processing, storage from the charger of power supply-distribution system monitoring 13 and charging system monitoring 14 and the data of distribution system monitoring, graphical man-machine interface and audio alert function are provided, finish the data exhibiting of system and issue control command, in order to the operation of monitoring charger and distribution system.Surveillance center 12 shown in Figure 7 comprises monitoring server 121, monitor workstation 122 and the network printer 123, and monitoring server 121, monitor workstation 122 and the network printer 123 are connected by network.Surveillance center 12 also can only comprise monitoring server 121 or comprise monitoring server 121 and monitor workstation 12.Surveillance center 12 except that power distribution station monitoring SCADA function, can also provide at the charging station system such as senior application functions such as intelligent load controls, be charging station safety, reliable, the economical operation means that provide safeguard.
The monitoring function of power supply and distribution system 1 is mainly finished in power supply-distribution system monitoring 13.Power supply-distribution system monitoring 13 comprises communication manager 37, power distribution protection part 38, distribution testing control part 39, and power distribution protection part 38, distribution testing control part 39 link to each other with communication manager 37 respectively.Communication manager 37 is as the communication management device in the charging station; it is an important component part of charging station distributing monitoring system; receive data from power distribution protection part 38 and distribution testing control part 39; finish the data centralization management and the data screening of the intelligent electronic devices such as Microcomputer Protection, charger, charging pile, observing and controlling of charging station, with Surveillance center's 12 communication interactions.Communication manager 37 can also be reported to monitor data higher level's monitoring management system 700.
According to the different of a scheme of distribution system with the distribution system automation degree is required different, two kinds of Typical Disposition schemes of power distribution protection part 38 and distribution testing control part 39 are provided below.It is that the charging station that vacuum circuit-breaker and automaticity are had relatively high expectations adopts that scheme one is mainly used in 10kV side switch.In scheme one, power distribution protection partly adopts the inlet wire change to join Microcomputer Protection, possesses syllogic overcurrent protection, overload protection, low-pressure side zero-sequence current protection, overtemperature alarm or defencive functions such as tripping operation, low-voltage variation; 0.4kV the overcurrent protection function that switch adopts switch to carry.Distribution testing control partly possesses telemetry function, the remote signalling function of the position of the switch and the distant control function of important switch (10kV switch, 0.4kV service entrance switch and interconnection switch) of each electric parameter such as current/voltage at interval of distribution system.It is on-load switch that scheme two is mainly used in 10kV side switch, and the charging station that cost is lower adopts.Power distribution protection partly adopts inlet wire to become switch and protects with fuse; 0.4kV the overcurrent protection function that switch adopts switch to carry.Distribution testing control partly possesses telemetry function, the remote signalling function of the position of the switch and the distant control function of important switch (10kV switch, 0.4kV service entrance switch and interconnection switch) of each electric parameter such as current/voltage at interval of distribution system.
The charging control of charger is finished in charging system monitoring 14; Obtain battery status and operation information with vehicle-mounted BMS (BatteryManagement System, battery management system) communication; Obtain electric energy meter information, finish the interlock control of charging accounting and charging process; Send metering and billing, charger job information to dc charging motor 10 and alternating-current charging pile 11, obtain and carry out control command of sending on dc charging motor 10 and the alternating-current charging pile 11 etc.The monitoring function of charging system 2 is mainly finished in charging system monitoring 14.
Security protection video system monitoring 15 for example comprises video workstation1 51 and security protection equipment 152, be used to finish the video monitoring of electric energy feed system and the monitoring of fire-fighting, gate inhibition and circumference safety, obtain the relevant warning information of distribution system monitoring and charger by communication processor 37, in order to finish the video interlink monitoring, also can possess antitheft automatic monitoring of electric energy feed system and fire-fighting system alarm linkage function.Security protection video system monitoring 15 links to each other with Surveillance center 12 by network.
Fig. 8 illustrates the system schematic of another embodiment of supervisory control system of the present utility model.Embodiment among Fig. 8 and the difference of the embodiment among Fig. 7 are that the monitor message of alternating-current charging pile 11 is sent to Surveillance center 12 by communication manager 37.
The electric car electric energy feed system that the utility model embodiment provides, comprise power supply and distribution system, charging system, supervisory control system and metering and billing system, can be effectively provide concrete design reference for the construction of electric automobile energy feed system, electric car electric energy feed system basic function is being satisfied in the construction that makes the electric automobile energy feed system, and improved the intellectuality of electric car electric energy feed system, automatization level, further reach unmanned or the few man on duty operation, realize electric car electric energy feed system economy, safety, the purpose of efficient operation.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or with the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the utility model design is suitable for special-purpose.
Claims (11)
1. an electric car electric energy feed system is characterized in that, comprises power supply and distribution system, charging system, supervisory control system and metering and billing system; Wherein,
Described charging system comprises dc charging motor and alternating-current charging pile;
Described metering and billing system comprises:
Be used for the Source of Gateway Meter that the electric weight to charging station measures;
The DC meter that is used for the metering of described dc charging motor electric weight;
The AC ammeter that is used for the metering of described alternating-current charging pile electric weight;
Link to each other with described Source of Gateway Meter, DC meter and AC ammeter to collect from the management through quantification machine of the metrical information of described Source of Gateway Meter, described DC meter and described AC ammeter;
Link to each other, be used to receive metrical information with described management through quantification machine, obtain the charge system that the electricity charge amount of money carries out user's charge and consumption information management according to described metrical information from described management through quantification machine;
Described supervisory control system comprises:
Be used to monitor the power supply-distribution system monitoring of described power supply and distribution system;
Be used for the monitoring of described charging system and the charging system monitoring of charging control;
Link to each other with monitoring of described power supply-distribution system and the monitoring of described charging system to gather, to handle the data monitored from described power supply-distribution system monitoring and described charging system, carry out data exhibiting and to issue the Surveillance center of control command with the operation of monitoring charger and power supply and distribution system.
2. electric car electric energy feed system according to claim 1 is characterized in that, described power supply and distribution system comprise:
Be used to provide the electric power system of the supply of high-voltage ac power;
Link to each other, be used for the high-voltage ac power that described electric power system is supplied with is changed into the transformer of low-voltage alternating current power supply with described electric power system;
Link to each other with described transformer, be used for distribution system from the equipment of the low-voltage alternating current power supply supply of electrical energy feed system of described transformer;
Active filtering reactive power compensation device links to each other with described distribution system; With
Link to each other, be used to finish the direct current operative power source that the direct current energy of circuit breaker operation mechanism and power distribution protection measure and control device is supplied with described distribution system.
3. electric car electric energy feed system according to claim 2 is characterized in that, described electric power system comprises inlet wire metering cabinet, PT and lightning arrester cabinet and the outlet cabinet that connects successively.
4. electric car electric energy feed system according to claim 2 is characterized in that, described electric power system is that 10kV power supply two-way often supplies pattern, one road 10kV power supply, one road 400V power supply standby mode or one road 400V powering mode each other.
5. electric car electric energy feed system according to claim 1 is characterized in that, described dc charging motor adopts phase control rectifier or HF switch rectification pattern; Described alternating-current charging pile is one one and fills formula, two formula or wall-hanging of filling.
6. electric car electric energy feed system according to claim 1 is characterized in that, described dc charging motor comprises rectifier cabinet and direct current stake.
7. electric car electric energy feed system according to claim 1, it is characterized in that, described power supply-distribution system monitoring comprises communication manager, power distribution protection part and distribution testing control part, and described power distribution protection part, described distribution testing control part link to each other with described communication manager respectively; Described communication manager partly receives data from described power distribution protection part and described distribution testing control, with described Surveillance center communication interaction.
8. electric car electric energy feed system according to claim 7 is characterized in that, described power distribution protection partly adopts the inlet wire change to join Microcomputer Protection, perhaps adopts inlet wire to become switch and protects with fuse.
9. electric car electric energy feed system according to claim 7 is characterized in that, described distribution testing control partly possesses the telemetry function of each current/voltage at interval of distribution system, the remote signalling function and the switch distant control function of the position of the switch.
10. electric car electric energy feed system according to claim 1 is characterized in that, described supervisory control system also comprises the monitoring of security protection video system, and described security protection video system monitoring links to each other with described Surveillance center by network.
11. electric car electric energy feed system according to claim 2 is characterized in that, the high-voltage board of described electric power system adopts the vacuum circuit-breaker intermediate switchgear cabinet, perhaps adopts on-load switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205614825U CN201893567U (en) | 2010-09-30 | 2010-09-30 | Electric energy supply system for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205614825U CN201893567U (en) | 2010-09-30 | 2010-09-30 | Electric energy supply system for electric automobile |
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| CN201893567U true CN201893567U (en) | 2011-07-06 |
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| CN2010205614825U Expired - Lifetime CN201893567U (en) | 2010-09-30 | 2010-09-30 | Electric energy supply system for electric automobile |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055214A (en) * | 2010-09-30 | 2011-05-11 | 国家电网公司 | Electric energy supply system for electric vehicle |
| CN102957184A (en) * | 2011-08-09 | 2013-03-06 | 通用电气公司 | Vehicle charging stations and methods for use in charging electrically powered vehicle |
| CN103475038A (en) * | 2012-06-08 | 2013-12-25 | 凡甲电子(苏州)有限公司 | Electric power supply system |
| TWI455440B (en) * | 2011-10-27 | 2014-10-01 | Atomic Energy Council | Load management strategy under micro-grid standalone mode |
| CN106184078A (en) * | 2016-08-17 | 2016-12-07 | 杭州新时空电动汽车有限公司 | New-energy automobile intelligent voice prompt system and control method thereof |
| CN106882065A (en) * | 2017-02-07 | 2017-06-23 | 薛建仁 | A kind of integrated electric vehicular charging station |
| CN109572454A (en) * | 2018-10-17 | 2019-04-05 | 国网浙江省电力有限公司杭州供电公司 | A kind of electric car Intelligent charging station charging system |
| CN112060956A (en) * | 2020-06-20 | 2020-12-11 | 侯红年 | High-power energy-saving intelligent charging pile and charging pile installation mode |
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2010
- 2010-09-30 CN CN2010205614825U patent/CN201893567U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055214A (en) * | 2010-09-30 | 2011-05-11 | 国家电网公司 | Electric energy supply system for electric vehicle |
| CN102055214B (en) * | 2010-09-30 | 2012-09-19 | 国家电网公司 | Electric energy supply system for electric vehicle |
| CN102957184A (en) * | 2011-08-09 | 2013-03-06 | 通用电气公司 | Vehicle charging stations and methods for use in charging electrically powered vehicle |
| TWI455440B (en) * | 2011-10-27 | 2014-10-01 | Atomic Energy Council | Load management strategy under micro-grid standalone mode |
| CN103475038A (en) * | 2012-06-08 | 2013-12-25 | 凡甲电子(苏州)有限公司 | Electric power supply system |
| CN106184078A (en) * | 2016-08-17 | 2016-12-07 | 杭州新时空电动汽车有限公司 | New-energy automobile intelligent voice prompt system and control method thereof |
| CN106882065A (en) * | 2017-02-07 | 2017-06-23 | 薛建仁 | A kind of integrated electric vehicular charging station |
| CN109572454A (en) * | 2018-10-17 | 2019-04-05 | 国网浙江省电力有限公司杭州供电公司 | A kind of electric car Intelligent charging station charging system |
| CN109572454B (en) * | 2018-10-17 | 2021-04-06 | 国网浙江省电力有限公司杭州供电公司 | Charging system of intelligent charging station for electric automobile |
| CN112060956A (en) * | 2020-06-20 | 2020-12-11 | 侯红年 | High-power energy-saving intelligent charging pile and charging pile installation mode |
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