CN106532850A - Electric vehicle charging station and electric power system - Google Patents
Electric vehicle charging station and electric power system Download PDFInfo
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- CN106532850A CN106532850A CN201611159227.6A CN201611159227A CN106532850A CN 106532850 A CN106532850 A CN 106532850A CN 201611159227 A CN201611159227 A CN 201611159227A CN 106532850 A CN106532850 A CN 106532850A
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- 238000004146 energy storage Methods 0.000 claims abstract description 82
- 238000006243 chemical reaction Methods 0.000 claims description 65
- 230000005611 electricity Effects 0.000 claims description 24
- 238000001514 detection method Methods 0.000 description 5
- 230000004899 motility Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H02J7/0027—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of new energy, particularly to an electric vehicle charging station and an electric power system. The electric vehicle charging station comprises a control apparatus, an energy storage apparatus and a charging pile, wherein the energy storage apparatus can be electrically connected with a power grid and used for storing electric energy supplied by the power grid and supplying power for the charging pile; the energy storage apparatus is electrically connected with the charging pile to form a first charging circuit; the charging pile can be electrically connected with the power grid to form a second charging circuit; and the control apparatus can be electrically connected with the energy storage apparatus, the charging pile and the power grid, and used for controlling the on and off of the first charging circuit and the second charging circuit. By controlling the on and off between the charging pile and the power grid and the energy storage apparatus through the control apparatus, the electric vehicle charging station can be adapted to different environments, namely, the control apparatus still can control the energy storage apparatus to charge the charging pile even if the power grid is in power failure or the electric vehicle charging station is disconnected from the power grid, so that the influence on the electric vehicle charging station from the power grid is effectively relieved.
Description
Technical field
The application is related to technical field of new energies, more particularly to a kind of electric motorcar charging station and power system.
Background technology
Under energetically promotion of the government to the electric motor car industry such as electric automobile, China's electric motor car industry has stepped into fast development
Phase, but the charging behavior of a large amount of electric motor car will bring considerable influence to electrical network, is directly New energy electric using existing electrical network
Automobile charges and there is certain development bottleneck.
At present, existing electric motorcar charging station uses grid type design, if grid power blackout, charging station is unable to work
Make, and the electric motorcar charging station can not be arranged on where no electrical network powers, that is to say, that the electric motorcar charging station is easy
Affected by electrical network, so as to influence whether the popularization and application of electric motor car.
The content of the invention
This application provides a kind of electric motorcar charging station and power system, this electric motorcar charging station is easy to the popularization of electric motor car
Using.
The one side of the application provides a kind of electric motorcar charging station, including：Control device, for powering and store electric energy
Energy storage device and the charging pile for charging for electric motor car,
The energy storage device can be electrically connected with electrical network, and the electric energy for electrical network is provided is stored, and is filled for described
Electric stake is powered,
The energy storage device is electrically connected with the charging pile, and to form the first charging circuit, the charging pile can be with electricity
Net electrical connection, to form the second charging circuit,
The control device is electrically connected with the energy storage device and the charging pile, and can be electrically connected with electrical network, described
Control device is used for the break-make for controlling first charging circuit and second charging circuit.
Preferably, the charging pile includes alternating-current charging pile and direct-current charging post, and the alternating-current charging pile can be with electrical network
Electrical connection,
The electric motorcar charging station also includes AC/DC conversion equipments, and the exchange connection end of the AC/DC conversion equipments can
Electrically connect with electrical network, the DC connecting end of the AC/DC conversion equipments is electrically connected with the direct-current charging post.
Preferably, the AC/DC conversion equipments are two-way AC/DC conversion equipments,
The energy storage device includes energy-storage battery, and the energy-storage battery is connected with the direct current of the two-way AC/DC conversion equipments
Connect end electrical connection.
Preferably, also including unidirectional DC/DC conversion equipments and two-way DC/DC conversion equipments,
Two DC connecting ends of unidirectional DC/DC conversion equipments direct current respectively with the two-way AC/DC conversion equipments
Connection end and direct-current charging post electrical connection,
Two DC connecting ends of two-way DC/DC conversion equipments direct current respectively with the two-way AC/DC conversion equipments
Connection end and energy-storage battery electrical connection.
Preferably, also including isolating transformer, a connection end of the isolating transformer and the AC/DC conversion equipments
The electrical connection of exchange connection end, another connection end of the isolating transformer is for electrically connecting with electrical network.
Preferably, also include the auxiliary power supply electrically connected with the control device,
The auxiliary power supply can be electrically connected with the charging pile, to form the 3rd charging circuit,
The auxiliary power supply can be electrically connected with electrical network, to form the 4th charging circuit,
The auxiliary power supply can be electrically connected with the energy storage device, to form the 5th charging circuit,
The control device is additionally operable to control the 3rd charging circuit, the 4th charging circuit and the 5th charging
The break-make of circuit.
Preferably, the auxiliary power supply includes photovoltaic power supply component and/or wind power supply component.
Preferably, also including container, the control device and the energy storage device are integrated in the container.
The another aspect of the application provides a kind of power system, and which includes：Described in electrical network, load and any of the above-described
Electric motorcar charging station, the electrical network are electrically connected with the load, to form load charging circuit.
Preferably, also include：Supervising device, the supervising device are filled with the electrical network, the load and the electric motor car
Power station electrically connects, and the supervising device is used for the current use for detecting the electrical network, the load and the electric motorcar charging station
Electricity condition, the control device for detected according to the supervising device with electricity condition control first charging circuit,
The break-make of second charging circuit and the load charging circuit.
The technical scheme that the application is provided can reach following beneficial effect：
Electric motorcar charging station provided herein, which includes the energy storage device that control device is electrically connected with the control device
And charging pile, the energy storage device can be connected with electrical network, and can store the electric energy of electrical network, and the charging pile can be with electrical network
Electrically connect with energy storage device, electric energy can be obtained from least one of electrical network and energy storage device.Specifically, the charging pile and electricity
The break-make of net and energy storage device is controlled by control device, and when electrical network is in low power consumption, the controllable electrical network of control device is straight
Charging pile charging is connected in, to be embodied as electric motor car charging, meanwhile, also can control energy storage device and the electric energy of electrical network is stored；
When electrical network is in peak of power consumption or during grid cut-off, in order to just not affect in electric motorcar charging station and same electrical network other loads
Often work, the controllable charging pile of control device are disconnected with electrical network, and control charging pile is connected with energy storage device, using energy storage device certainly
The electric energy of body storage is charged for charging pile, to be embodied as electric motor car charging.Charging pile and electrical network are controlled by control device
Break-make and energy storage device between, can make the electric motorcar charging station can adapt to different environment, even if grid power blackout or should
Electric motorcar charging station is disconnected with electrical network, and control device still can control energy storage device and charging pile is charged, and effectively alleviate electricity
Impact of the net to electric motorcar charging station, improves the use motility of electric motorcar charging station such that it is able to be neatly electric motor car
It is charged so that electric motor car can widely popularize application.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Description of the drawings
The system schematic that Fig. 1 is connected with electrical network by the electric motorcar charging station that the embodiment of the present application is provided；
The structural representation of the power system that Fig. 2 is provided by the embodiment of the present application.
Reference：
10- control devices；
11- energy storage devices；
12- direct-current charging posts；
13- alternating-current charging piles；
The two-way AC/DC conversion equipments of 14-；
The unidirectional DC/DC conversion equipments of 15-；
The two-way DC/DC conversion equipments of 16-；
17- isolating transformers；
18- photovoltaic power supply components；
181- solar panels；
The first commutators of 182-；
19- wind power supply components；
191- wind power generating sets；
The second commutators of 192-；
20- containers；
21- switch cubicles；
211- master switchs；
212- auxiliary switch；
22- foreign exchanges interface boxs；
The external DC interface casees of 23-；
24- is loaded；
3- electrical networks.
During accompanying drawing herein is merged in description and the part of this specification is constituted, show the enforcement for meeting the application
Example, and be used for explaining the principle of the application together with description.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As depicted in figs. 1 and 2, the embodiment of the present application provides a kind of electric motorcar charging station, and the electric motorcar charging station can be with
It is that electric automobile and electric motorcycle are charged, being alternatively other needs the element for charging to be charged.The electric motorcar charging station
Including control device 10, the energy storage device 11 electrically connected with the control device 10 and charging pile, the energy storage device 11 can be with electrical network 3
Connection, and the electric energy of electrical network 3 can be stored, and the charging pile can be electrically connected with electrical network 3 and energy storage device 11, Neng Goucong
At least one of electrical network 3 and energy storage device 11 obtain electric energy.
Specifically, the charging pile is controlled by control device 10 with the break-make of electrical network 3 and energy storage device 11, at electrical network 3
When low power consumption, the second charging circuit that control device 10 is can control between electrical network 3 and charging pile is connected so that the electrical network 3
Directly charge for charging pile, to be embodied as electric motor car charging, meanwhile, also can control energy storage device 11 is carried out the electric energy of electrical network 3
Storage；When electrical network 3 is in 3 power-off of peak of power consumption or electrical network, in order to not affect other in electric motorcar charging station and same electrical network 3
The normal work of load 24, the second charging circuit that control device 10 is can control between charging pile and electrical network 3 disconnect, and control is charged
Stake is connected with the first charging circuit between energy storage device 11, i.e.,：The use of the electricity that energy storage device 11 itself is stored is charging pile
It is charged, so as to be embodied as electric motor car charging.Controlled between charging pile and electrical network 3 and energy storage device 11 by control device 10
Break-make, the electric motorcar charging station can be made to can adapt to different environment, even and if electrical network 3 the power supply failed or the electric motor car charges
Stand, control device 10 still can control energy storage device 11 and charging pile is charged, and effectively alleviate 3 pairs, electrical network
The impact of electric motorcar charging station, improves the use motility of electric motorcar charging station such that it is able to neatly carry out for electric motor car
Charge so that electric motor car can widely popularize application.
Preferably, the electric motorcar charging station of the application also includes the auxiliary power supply electrically connected with control device 10, should
Auxiliary power supply can be electrically connected with charging pile, in 3 power-off of electrical network or the electric motorcar charging station in the environment without electrical network 3
When, the 3rd charging circuit that the control device 10 is can control between auxiliary power supply and charging pile electricity is connected, the auxiliary power supply
Device can be charged to charging pile, and so design further alleviates impact of the electrical network 3 to electric motorcar charging station so that the electricity
Motor-car charging station can be operated independently of electrical network 3, improve the use motility of electric motorcar charging station such that it is able to flexibly
Ground is charged for electric motor car, and expands the region that electric motorcar charging station is used, that is to say, that the electric motorcar charging station can
Where being arranged on no electrical network 3 so that electric motor car can widely popularize application.
In addition, when electrical network 3 is in peak of power consumption, control device 10 is also can control between auxiliary power supply and charging pile
The connection of the 3rd charging circuit, the second charging circuit controlled between electrical network 3 and charging pile disconnects so that the electric motorcar charging station
In the course of the work, 3 peak times of power consumption of electrical network can be avoided, it is to avoid interference of the electric motorcar charging station to electrical network 3, and avoids shadow
The normal work of other loads 24 in the same electrical network 3 of sound.
Preferably, above-mentioned auxiliary power supply can be also electrically connected with electrical network 3, can be made auxiliary when electrical network 3 is in peak of power consumption
The 4th charging circuit helped between electric supply installation and electrical network 3 is connected, and the auxiliary power supply can provide electric energy for electrical network 3, carry
The high stability of the work of electrical network 3.
Further, above-mentioned auxiliary power supply can be also electrically connected with energy storage device 11, the auxiliary power supply and energy storage
The 5th charging circuit between device 11 can be connected, and the auxiliary power supply can provide electric energy for energy storage device 11, that is to say, that
The electric energy that auxiliary power supply is provided can be stored by the energy storage device 11.
In the application, auxiliary power supply may include photovoltaic power supply component 18 and/or wind power supply component 19, can be fully sharp
With the energy of the Nature, the cost of the electric motorcar charging station can be effectively reduced, specifically, photovoltaic power supply component 18 may include the sun
Energy cell panel 181 and the first commutator 182, solar panel 181 can absorb sunlight and convert light energy into unidirectional current, and
The converting direct-current power into alternating-current power output power supply that the solar panel 181 can be produced by the first commutator 182；And/or wind-force
Power Supply Assembly 19 includes wind power generating set 191 and the second commutator 192, and the wind power generating set 191 can be converted wind energy into
Direct current energy, the converting direct-current power into alternating-current power energy that wind power generating set 191 can be produced by second commutator 192.
What deserves to be explained is, the auxiliary power supply may also include biomass energy Power Supply Assembly and rubbish Power Supply Assembly.
In the application, above-mentioned charging pile includes alternating-current charging pile 13 and direct-current charging post 12, and the alternating-current charging pile 13 can be with
Electrical network 3 is directly connected to, and can obtain AC energy and be charged for electric motor car, and direct-current charging post 12 then passes through from electrical network 3
AC (Alternating Current, exchange)/DC (Direct Current, direct current) conversion equipments are realized being electrically connected with electrical network 3
Connect, the AC energy that electrical network 3 is provided can be converted to direct current energy by the AC/DC conversion equipments, and by the direct current energy after conversion
It is delivered to direct-current charging post 12 to be charged for electric motor car.
Above-mentioned energy storage device 11 includes energy-storage battery, and the electric energy that electrical network 3 is provided can be stored by the energy-storage battery, tool
Body ground, the energy-storage battery can be realized electrically connecting by AC/DC conversion equipments and electrical network 3, and the AC/DC conversion equipments can be by electrical network 3
The AC energy of offer is converted to direct current energy, and the direct current energy after conversion can be delivered in energy-storage battery and be stored.
As the electric energy of energy-storage battery memory storage is direct current energy, therefore, direct-current charging post 12 mentioned above can be with storage
Energy battery electrical connection, wherein, when direct-current charging post 12 is charged to electric motor car, the direct-current charging post 12 can be from energy-storage battery
Middle power taking, does not directly realize the quick charge of electric motor car from 3 power taking of electrical network, while on electrical network 3 without impact.
Further, since the charging pile of the application not only includes direct-current charging post 12, alternating-current charging pile 13 is may also include, in order to
Make energy-storage battery also realize being charged alternating-current charging pile 13, above-mentioned AC/DC conversion equipments can be designed as two-way AC/
Alternating-current charging pile 13 and energy-storage battery can be electrically connected by DC conversion equipments 14, the two-way AC/DC devices, work as energy-storage battery
When being charged for alternating-current charging pile 13, the direct current energy that first can be stored itself is changed by two-way AC/DC conversion equipments 14
Into AC energy, then the AC energy is delivered at alternating-current charging pile 13, thinks that electric motor car is charged.
What deserves to be explained is, the energy-storage battery being previously mentioned can be electrically connected with electrical network 3 by AC/DC conversion equipments, and
It is also mentioned that AC/DC conversion equipments are designed as into two-way AC/DC conversion equipments 14, therefore, the energy-storage battery can not only be direct current
Charging pile 12 and alternating-current charging pile 13 are charged, and can be also that electrical network 3 provides electric energy when electrical network 3 is in peak of power consumption.
Preferably, the electric motorcar charging station also includes unidirectional DC/DC conversion equipments 15, unidirectional DC/DC conversion equipments 15
Two DC connecting ends are electrically connected with the DC connecting end and direct-current charging post 12 of two-way AC/DC conversion equipments 14 respectively, by setting
Count the unidirectional DC/DC conversion equipments 15 and the DC voltage that two-way AC/DC conversion equipments 14 are exported can be converted into direct-current charging post
DC voltage needed for 12, to ensure 12 steady operation of direct-current charging post.
Further, the electric motorcar charging station also includes two-way DC/DC conversion equipments 16, two-way DC/DC conversion equipments 16
Two DC connecting ends electrically connect with the DC connecting end and energy-storage battery of two-way AC/DC conversion equipments 14 respectively, energy storage electricity
During the storage electric energy of pond, the DC voltage that two-way AC/DC conversion equipments 14 are exported can be converted into by the two-way DC/DC conversion equipments 16
DC voltage needed for energy-storage battery, when energy-storage battery is charged, the two-way DC/DC conversion equipments 16 can be by energy-storage battery
The DC voltage of output is converted into the DC voltage needed for AC/DC conversion equipments, so as to ensure energy storage device 11 and two-way AC/DC
14 normal work of conversion equipment.
In the application, electric motorcar charging station may also include isolating transformer 17, and the isolating transformer 17 belongs to safety power supply,
One connection end and two-way AC/DC conversion equipments 14 exchange connection end electrical connection, and another connection end is for being electrically connected with electrical network 3
Connect, by arranging the isolating transformer 17, supply voltage effectively can be provided to electrical network 3 and plays a good filtration work
With so as to provide pure supply voltage to electrical equipment, and being also prevented from mutually dry between electrical network 3 and electrical equipment
Disturb.
At present, building type or canopy formula are adopted existing electric motorcar charging station, the construction period is long, and floor space is larger more, and
Can not move and move, motility not enough, affects the popularization and application and development of electric motor car, in order to solve this problem, the application
Electric motorcar charging station may also include container 20, the container 20 can be standard-sized container 20, and the electric motor car fills
The control device 10 and energy storage device 11 in power station can be integrated in container 20, and other devices of the electric motorcar charging station
May alternatively be integrated within the container 20, for example, two-way AC/DC devices, unidirectional DC/DC devices, two-way DC/DC devices etc. pass through
The system and device of electric motorcar charging station are integrated in container 20 so that the electric motorcar charging station can be moved and be moved
It is dynamic, i.e.,：The electric motorcar charging station can be charged for electric motor car as movable charging vehicle, improve the use of electric motorcar charging station
Motility, and the electric motorcar charging station avoids, using building type or canopy formula, shortening the construction period, and reducing occupation of land face
Product.According to a specific embodiment of the application, the electric motorcar charging station may also include the switch cubicle 21 in container 20,
The switch cubicle 21 is capable of achieving each device electrical connection in electrical network 3 and above-mentioned electric motorcar charging station, and specifically, the switch cubicle 21 has
One master switch 211 and multiple auxiliary switch 212, the master switch 211 pass through to connect between cable and each auxiliary switch 212, and each pair
It is connected in parallel on the cable between switch 212, the control device 10 of the electric motorcar charging station can pass through controlling switch cabinet 21
Each switch is opened or closed, to realize the on off operating mode of each device in electric motorcar charging station, for example, when electrical network 3 is in electricity consumption
When peak period or power-off, control device 10 can control master switch 211 and disconnect, and now, the electric motorcar charging station is in off-network pattern,
Then the auxiliary switch 212 that the control device 10 is can control between energy storage device 11 and/or auxiliary power supply and charging pile is closed,
To realize the connection of the charging circuit between energy storage device 11 and/or auxiliary power supply and charging pile, so as to realize that energy storage is filled
Put 11 and/or auxiliary power supply be charged for electric motor car by charging pile.
More specifically, the electric motorcar charging station may also include the foreign exchanges interface box 22 in container 20 and externally
DC interface case 23, the foreign exchanges interface box 22 can by the auxiliary power supply outside container 20, alternating-current charging pile 13 with
Other devices in switch cubicle 21 and container 20 inside container 20 are (for example：17) isolating transformer connects, and this is externally straight
Stream interface case 23 is capable of achieving the unidirectional DC/DC conversion equipments inside direct-current charging post 12 and container 20 outside container 20
Connection between 15/ energy-storage battery.
What deserves to be explained is, the connection dotted line between each component in the electric motorcar charging station in Fig. 1 represents communication connection
Line, for example：Between each component such as control device 10 and switch cubicle 21, foreign exchanges interface box 22, two-way AC-DC conversion equipments 14
Connection dotted line；Connection solid line between each component represents power rail, for example：Two-way AC-DC conversion equipments 14 with it is unidirectional
Connection solid line between each components such as DC-DC conversion equipments 15, bi-directional DC-DC conversion equipment 16, isolating transformer 14.In addition,
Four solid lines that container 20 is formed in Fig. 1 are not power rails, are intended merely to illustrate the structure of container 20, represent collection
Vanning 20 in accommodate control device 10, energy storage device 11, two-way AC-DC conversion equipments 14, Uniderectional DC-DC conversion equipment 15,
Bi-directional DC-DC conversion equipment 16, isolating transformer 17, switch cubicle 21, foreign exchanges interface box 22, external DC interface case 23.
The another aspect of the application provides a kind of power system, and which includes：Electrical network 3, load 24 and any of the above-described enforcement
Electric motorcar charging station described by example, the electrical network 3 can be electrically connected with electric motorcar charging station and load 24, can be charged for electric motor car
Stand and load 24 offer electric energy.
Preferably, the power system also includes supervising device (not shown), supervising device and electrical network 3, load 24 and
Electric motorcar charging station is electrically connected, and supervising device is used for the current electricity consumption shape for detecting electrical network 3, load 24 and electric motorcar charging station
State, control device 10 can according to supervising device detect with electricity condition control energy storage device 11 in electric motorcar charging station with
The charging circuit between charging circuit, charging pile and electrical network 3 and load 24 between charging pile is logical with the charging circuit of electrical network 3
It is disconnected.
Specifically, when supervising device detects electric motorcar charging station current exceedes 3 setting value of electrical network with electricity condition,
The charging circuit that control device 10 is can control between electrical network 3 and charging pile disconnects, and the electric motorcar charging station can pass through energy storage device
11 pairs of charging piles are charged, and do not affect electrical network 3, so as to not affect 24 normal work of load in same electrical network 3.
According to a specific embodiment of the application, the electric motorcar charging station in the power system of the application has three kinds of works
Operation mode：
Pattern one：Grid-connected mode of operation, in switch cubicle 21, master switch 211 is closed, and electric motorcar charging station is connected to electrical network 3
Together, using electrical network 3 as V/F (voltage/frequency) source, auxiliary power supply, energy storage device 11, two-way AC/DC conversion equipments 14
Worked with grid-connect mode, now, supervising device can be carried out with electricity condition to electrical network 3, load 24, the current of electric motorcar charging station
Detection, then can be allocated to power load according to the result of detection so that the scope that electric motorcar charging station is allowed in electrical network 3
Interior even running.
Pattern two：Off-network mode of operation, in switch cubicle 21, master switch 211 disconnects, and electric motorcar charging station is directly disconnected with electrical network 3
Open, using energy storage device 11 and two-way AC/DC devices as V/F sources, with off-network mode operation, auxiliary power supply is with grid-connect mode
Work, now, supervising device can be detected with electricity condition to electrical network 3, load 24, the current of electric motorcar charging station, then
Power load can be allocated according to the result of detection so that electric motorcar charging station is steadily transported in the range of electrical network 3 is allowed
OK.
Pattern three：And/off-network mode of operation, after supervising device detects electrical network 3 to have a power failure, 10 switchable cabinet of control device
In 21, master switch 211 disconnects so that electric motorcar charging station is disconnected with electrical network 3, is made with energy storage device 11 and two-way AC/DC devices 5
For V/F sources, with off-network mode operation, auxiliary power supply is worked with grid-connect mode, and now, supervising device can be to electrical network 3, load
24th, the current of electric motorcar charging station detected with electricity condition, then power load can be carried out point according to the result of detection
Match somebody with somebody so that electric motorcar charging station even running in the range of electrical network 3 is allowed.When supervising device is after detecting electrical network 3 and having electricity,
Control device 10 can control energy storage device 11 and two-way AC/DC devices are shut down, and in controlling switch cabinet 21, master switch 211 is closed, electricity
Motor-car charging station is linked together with electrical network 3, using electrical network 3 as V/F (voltage/frequency) source, auxiliary power supply, energy storage device
11st, two-way AC/DC conversion equipments 14 are worked with grid-connect mode.And supervising device can be to electrical network 3, load 24, electric motorcar charging station
It is current detected with electricity condition, then according to detection result power load can be allocated so that electric motor car fills
Power station even running in the range of electrical network 3 is allowed.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations, any modification, equivalent substitution and improvements made based on the application
Deng should be included within the protection domain of the application.
Claims (10)
1. a kind of electric motorcar charging station, it is characterised in that include：Control device, the energy storage device for powering and storing electric energy
And the charging pile for charging for electric motor car,
The energy storage device can be electrically connected with electrical network, and the electric energy for electrical network is provided is stored, and is the charging pile
Power supply,
The energy storage device is electrically connected with the charging pile, and to form the first charging circuit, the charging pile can be with electrical network electricity
Connection, to form the second charging circuit,
The control device is electrically connected with the energy storage device and the charging pile, and can be electrically connected with electrical network, the control
Device is used for the break-make for controlling first charging circuit and second charging circuit.
2. electric motorcar charging station according to claim 1, it is characterised in that
The charging pile includes alternating-current charging pile and direct-current charging post, and the alternating-current charging pile can be electrically connected with electrical network,
The electric motorcar charging station also includes AC/DC conversion equipments, and the exchange connection end of the AC/DC conversion equipments can be with electricity
Net electrical connection, the DC connecting end of the AC/DC conversion equipments are electrically connected with the direct-current charging post.
3. electric motorcar charging station according to claim 2, it is characterised in that
The AC/DC conversion equipments are two-way AC/DC conversion equipments,
The energy storage device includes energy-storage battery, the DC connecting end of the energy-storage battery and the two-way AC/DC conversion equipments
Electrical connection.
4. electric motorcar charging station according to claim 3, it is characterised in that also including unidirectional DC/DC conversion equipments and double
To DC/DC conversion equipments,
Two DC connecting ends of the unidirectional DC/DC conversion equipments are connected with the direct current of the two-way AC/DC conversion equipments respectively
End and direct-current charging post electrical connection,
Two DC connecting ends of the two-way DC/DC conversion equipments are connected with the direct current of the two-way AC/DC conversion equipments respectively
End and the energy-storage battery are electrically connected.
5. the electric motorcar charging station according to any one of claim 2 to 4, it is characterised in that also including isolating transformer,
One connection end of the isolating transformer exchanges connection end electrical connection, the isolating transformer with the AC/DC conversion equipments
Another connection end for electrically connecting with electrical network.
6. electric motorcar charging station according to any one of claim 1 to 4, it is characterised in that also include and the control
The auxiliary power supply of device electrical connection,
The auxiliary power supply can be electrically connected with the charging pile, to form the 3rd charging circuit,
The auxiliary power supply can be electrically connected with electrical network, to form the 4th charging circuit,
The auxiliary power supply can be electrically connected with the energy storage device, to form the 5th charging circuit,
The control device is additionally operable to control the 3rd charging circuit, the 4th charging circuit and the 5th charging circuit
Break-make.
7. electric motorcar charging station according to claim 6, it is characterised in that
The auxiliary power supply includes photovoltaic power supply component and/or wind power supply component.
8. electric motorcar charging station according to any one of claim 1 to 4, it is characterised in that also including container, described
Control device and the energy storage device are integrated in the container.
9. a kind of power system, it is characterised in that include：Electrical network, load and the electricity as any one of claim 1 to 8
Motor-car charging station, the electrical network are electrically connected with the load, to form load charging circuit.
10. power system according to claim 9, it is characterised in that also include：Supervising device, the supervising device with
The electrical connection of the electrical network, the load and the electric motorcar charging station, the supervising device are used to detecting the electrical network, described negative
Carry and the electric motorcar charging station current use electricity condition, the control device is for detecting according to the supervising device
The break-make of first charging circuit, second charging circuit and the load charging circuit is controlled with electricity condition.
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| CN201611159227.6A CN106532850A (en) | 2016-12-15 | 2016-12-15 | Electric vehicle charging station and electric power system |
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| CN108134419A (en) * | 2017-12-25 | 2018-06-08 | 珠海银隆电器有限公司 | A kind of charging equipment charge control system and charging equipment |
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| CN110962671A (en) * | 2019-11-25 | 2020-04-07 | 黑龙江电力调度实业有限公司 | Charging method for electric automobile |
| CN111267663A (en) * | 2020-03-18 | 2020-06-12 | 南京工程学院 | Alternating current-direct current interworked electric automobile energy storage fills electric pile based on automatic control |
| WO2021129878A1 (en) * | 2019-12-26 | 2021-07-01 | 奥动新能源汽车科技有限公司 | Charging system for swapping station or energy storage station |
| CN113306429A (en) * | 2021-07-30 | 2021-08-27 | 深圳嘉信立诚科技有限公司 | Charging system and method for new energy automobile |
| WO2022187998A1 (en) * | 2021-03-08 | 2022-09-15 | 浙江吉利控股集团有限公司 | Power supply control system and control method thereof |
| CN116845908A (en) * | 2023-09-04 | 2023-10-03 | 北京玖行智研交通科技有限公司 | New energy vehicle charging and changing control method and device |
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| CN108134419A (en) * | 2017-12-25 | 2018-06-08 | 珠海银隆电器有限公司 | A kind of charging equipment charge control system and charging equipment |
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| CN110962671A (en) * | 2019-11-25 | 2020-04-07 | 黑龙江电力调度实业有限公司 | Charging method for electric automobile |
| WO2021129878A1 (en) * | 2019-12-26 | 2021-07-01 | 奥动新能源汽车科技有限公司 | Charging system for swapping station or energy storage station |
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| WO2022187998A1 (en) * | 2021-03-08 | 2022-09-15 | 浙江吉利控股集团有限公司 | Power supply control system and control method thereof |
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| CN113306429A (en) * | 2021-07-30 | 2021-08-27 | 深圳嘉信立诚科技有限公司 | Charging system and method for new energy automobile |
| CN113306429B (en) * | 2021-07-30 | 2022-07-08 | 深圳嘉信立诚科技有限公司 | Charging system and method for new energy automobile |
| CN116845908A (en) * | 2023-09-04 | 2023-10-03 | 北京玖行智研交通科技有限公司 | New energy vehicle charging and changing control method and device |
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