CN109823207A - A kind of charging system for electric automobile and its control method - Google Patents
A kind of charging system for electric automobile and its control method Download PDFInfo
- Publication number
- CN109823207A CN109823207A CN201910105487.2A CN201910105487A CN109823207A CN 109823207 A CN109823207 A CN 109823207A CN 201910105487 A CN201910105487 A CN 201910105487A CN 109823207 A CN109823207 A CN 109823207A
- Authority
- CN
- China
- Prior art keywords
- charging
- controller
- electric
- electric automobile
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
-
- 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
- Y02T90/14—Plug-in electric vehicles
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The embodiment of the present application discloses a kind of charging system for electric automobile, comprising: multiple charging subsystems and control cabinet；Controller is provided in control cabinet；Each charging subsystem includes: contactor, charging equipment, current transformer and rectification module；For connecting with AC power source, the other end is connect by service cable with charging equipment for one end of contactor；Each contactor is electrically connected with the controller, and controller is used for when electric car needs to charge, and controls corresponding contactor closure；Charging equipment includes: ammeter and supply port.Charging system for electric automobile disclosed in the embodiment of the present application solves the gamut in parking lot and charging equipment is arranged, it is obviously desirable to spend a large amount of fund, but be difficult to the technical issues of obtaining higher income.In addition, the embodiment of the present application also discloses a kind of charging system for electric automobile control method.
Description
Technical field
This application involves automobile charging technique field more particularly to a kind of charging system for electric automobile and its control methods.
Background technique
Currently, some parking lots are that convenient electric car uses, charging equipment is provided near the parking stall of part.So
And if car park areas is boundless, and the setting of charging equipment position is unreasonable, it is desirable that user searches out to be set configured with charging
Standby parking stall is more difficult.In addition, it includes that charging is set that some fuel-engined vehicles, which may occupy configuration, in the case that parking position is in short supply
Standby parking stall is difficult to stopping for charging so as to cause the user of electric car, reduces user experience.
It, can be by parking lot management personnel specially to having in order to solve the problems, such as that automobile user is inconvenient using parking stall
The special parking stall of charging equipment is managed, so that fuel-engined vehicle be avoided to occupy these parking stalls.However, this way to manage is easy
Cause fuel-engined vehicle user discontented in the case where anxiety in parking stall, to be easy to cause parking stall utilization conflict；Meanwhile it if being managed
Electric car is not parked in the special parking stall of reason, then causes the waste of management cost.
Based on this, one tradeoff property solution be, using parking lot whole parking stall lay charging equipment by the way of,
Not only it had been able to satisfy the stopping for charging demand of automobile user, but also can satisfy fuel-engined vehicle to the use demand of parking stall.However, adopting
It is with a practical problem of this method, fuel-engined vehicle is still occupied in quantity relative to electric car on the market at present
Biggish advantage, and charging equipment is arranged in gamut in parking lot, it is obviously desirable to spend a large amount of fund, be but difficult to obtain compared with
High income.
Summary of the invention
The embodiment of the present application provides a kind of charging system for electric automobile, solves the gamut setting charging in parking lot
Equipment, it is obviously desirable to spend a large amount of fund, but be difficult to the technical issues of obtaining higher income.In addition, the embodiment of the present application
Additionally provide a kind of charging system for electric automobile control method.
In view of this, the application first aspect provides a kind of charging system for electric automobile, comprising: multiple charging subsystems
And control cabinet；
Controller is provided in the control cabinet；
Each charging subsystem includes: contactor, charging equipment, current transformer and rectification module；
For connecting with AC power source, the other end is connected by service cable and the charging equipment for one end of the contactor
It connects；Each contactor is electrically connected with the controller, and the controller is used for when electric car needs to charge, control
The corresponding contactor closure；
The current transformer, for the electric current on the corresponding current supply circuit of real-time detection, and the electric current that will test is sent
To the rectification module；
The rectification module, the current rectification for detecting the current transformer is direct current signal, by the direct current
Signal is sent to the controller；
The charging equipment includes: ammeter and supply port；
The ammeter is connected in the current supply circuit, by carrying out based on rechargeable electrical energy in electric car charging
Amount；
The supply port is used to connect by charging cable with the electric car.
Preferably, the rectification module is specially full bridge rectifier.
Preferably, PWM control guiding device 100 is provided in the control cabinet；
The supply port of each charging equipment passes through corresponding relay and the PWM controls guiding device
100 connections；
The PWM control guiding device 100 is used to monitor the interaction of each charging equipment and the electric car.
Preferably, earth leakage circuit-breaker is equipped in each charging equipment；
The earth leakage circuit-breaker is connected in the current supply circuit, for disconnected when leakage current is greater than default leakage current
Open the connection of the electric car Yu the AC power source.
Preferably, serial communication is carried out between the ammeter in the controller and all charging equipments；
The controller, for obtaining the reading of all ammeters by serial communication side.
Preferably, the controller is specially single-chip microcontroller, microprocessor or programmable logic controller (PLC) PLC.
Preferably, the supply port is specially power supply base.
Preferably, the charging equipment is also configured with the charging cable, described charging cable one end be provided with it is described
Power supply base is matched for plug, and the other end is provided with vehicle plug.
Preferably, PWM control guiding device 100 is provided on the charging cable.
Preferably, the charging cable, which is accommodated in, leases in cabinet；
The cabinet door lock leased cabinet and be provided with signal control.
Preferably, further includes: total control box and divide control cabinet；
The total control box include master controller, and the sub-control case includes sub-controller；
One total control box correspond to it is multiple it is described divide control cabinet, divide control cabinet to correspond to multiple controls described in one
Case.
Preferably, the controller, is also used to receive the charge request of subscriber terminal equipment transmission, and the charge request is taken
Remaining sum and user's registration information are supplemented with money with corresponding；Judge that the corresponding electric car of the user allows according to the charge request
When being electrically charged, then charge to the electric car.
Preferably, the controller, when being also used to judge that the direct current signal is less than full of preset value, it is determined that the electricity
Electrical automobile completes charging, controls the corresponding contactor and disconnects.
Preferably, the controller is also used to receive the down time and Ti Che time of subscriber terminal equipment transmission, according to
The down time and it is described mention the vehicle time, arrange corresponding charge period to the electric car of user.
Preferably, the controller is when being also used to judge the charge period as the low power consumption period, then low according to electricity consumption
The paddy period, corresponding charging standard was deducted fees；Low power consumption period, corresponding charging standard was lower than the peak of power consumption period pair
The charging standard answered.
Preferably, the controller, for judging that the direct current signal is when the contactor is closed preset time period
It is no to be less than or equal to predetermined current, if it is, confirmation is that electric bicycle is charging, controls the contactor and disconnect.
The application second aspect provides a kind of charging system for electric automobile control method, is applied to above-mentioned first aspect and provides
Any charging system for electric automobile, comprising:
Receive charging carrier charging when real-time detection to current supply circuit on electric current；
In the preset time period of corresponding contactor closure, persistently judge whether the electric current detected is less than or waits
In predetermined current, if it is, the confirmation charging carrier is electric bicycle, Xiang Suoshu contactor issues cut-off signal.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
In the embodiment of the present application, a kind of charging system for electric automobile, including multiple charging subsystems and control are provided
Device, and in each charging subsystem, the corresponding contactor of charging equipment is electrically connected with the controller of control cabinet, that is, is realized
It is this Shen for single pile is independently arranged compared to existing charging equipment by controller to the centralized control of multiple charging equipments
Please the central controlled cost of embodiment to substantially reduce, therefore cover all around charging equipment in parking lot and also no longer need so
High cost is conducive to the universal of electric car.
In addition, in another implementation, rectification module uses full bridge rectifier, what current transformer induced
It is that alternating current can become direct current by full bridge rectifier, so that controller can be easily after input controller
It converts to virtual value, realizes the real-time monitoring to charging current.It, can be further using such current sampling circuit
Cost is reduced, so that the scheme that parking lot covers all around charging equipment is more easy to accomplish.And if using electricity on the market
Stream sampling conversion module, cost will be difficult to decline.
Due to the reduction of cost, parking lot, which covers all around charging equipment, becomes the very high scheme of feasibility, so that user
It can charge on any one parking stall, without looking for the parking stalls few in number with charging pile as before, greatly
It is big to improve user to the confidence of electric vehicle, improve the comfort level of experience.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of charging system for electric automobile provided by the embodiments of the present application；
Fig. 2 is a kind of grading control topological diagram of charging system for electric automobile provided by the embodiments of the present application；
Fig. 3 is the control guidance circuit schematic diagram of the first set-up mode provided by the embodiments of the present application；
Fig. 4 is the control guidance circuit schematic diagram of second of set-up mode provided by the embodiments of the present application；
Fig. 5 is the control guidance circuit schematic diagram of the third set-up mode provided by the embodiments of the present application；
Fig. 6 is a kind of flow chart of charging system for electric automobile control method provided by the embodiments of the present application；
Appended drawing reference: control cabinet 1, controller 10, charge subsystem 2, contactor 21, charging equipment 22, current transformer
23, rectification module 24, ammeter 41, earth leakage circuit-breaker 42, PWM control guiding device 100, relay 200.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only this
Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.
Parking position is used for convenient electric car and fuel-engined vehicle, installation electric car fills on parking stall as much as possible
The required charging equipment of electricity, first has to solve the problems, such as be how to reduce the cost of charging equipment.The embodiment of the present application provides
A kind of charging system for electric automobile that can be realized with a low cost, so that it is at high cost that parking lot, which very covers charging equipment no longer,
To the scheme being difficult to realize.
Fig. 1 be may refer to Fig. 5, wherein Fig. 1 is a kind of knot of charging system for electric automobile provided by the embodiments of the present application
Structure schematic diagram, the charging system specifically include multiple charging subsystems 2 and control cabinet 1.
Controller 10 is provided in control cabinet 1, in space can be used for the arrangement of light current connecting line.
Include 21, current transformers 23 of a contactor in one charging subsystem 2, match with current transformer 23
The rectification module 24 of conjunction and a charging equipment 22.Wherein, one end of contactor 21 with AC power source for connecting, the other end
It is connect by service cable with charging equipment 22.When contactor 21 is closed, charging equipment 22 will form access with AC power source,
Charging equipment 22 charges, and can charge to the electric car connecting with charging equipment 22.
Control for contactor 21, the embodiment of the present application is using central controlled mode, that is, makes each connect
Tentaculum 21 is electrically connected with controller 10, realizes that a controller 10 can control the energization situation of more charging equipments 22
System is for independent single pile is arranged compared to existing charging equipment 22, and centralized control so can substantially reduce entire charging
The cost of system.
In view of having various situations when electric car charging, charging current when needing to charging is monitored.For this purpose, can
Current transformer 23 to be arranged on current supply circuit, current transformer 23 can be with the electricity on current supply circuit of the real-time detection where it
Stream.In specific setting, the primary side of current transformer 23 should be arranged on current supply circuit, for example can be set in contactor
21 one end being connect with AC power source, it is of course also possible to which other positions are arranged according to the actual situation.
What is induced due to current transformer 23 is alternating current, and to the monitoring of electric current really to current effective value
Monitoring, it is therefore desirable to which alternating current is rectified into direct current signal.Specifically, rectification module 24 can be set, rectification module 24 can
It is sent to controller 10 as direct current signal, then by direct current signal using the current rectification for detecting current transformer 23, by controller
10 realize the monitoring to electric current.
To further reduce the cost, rectification module 24 can use full bridge rectifier.When alternating current is whole by full-bridge
After flowing current rectification, it can directly input to the analog signal input module of controller 10, controller 10 can be easy at this time
Complete the conversion of current effective value.Using such current sampling circuit, cost can be further reduced, so that parking lot is complete
The scheme that orientation covers charging equipment 22 is more easy to accomplish.Compared to other current sampling conversion modules on the market, cost is past
It is past high.
Charging equipment 22 has specifically included ammeter 41 and supply port.Wherein, ammeter 41 is connected in current supply circuit, is used
In the progress rechargeable electrical energy metering when electric car charges.Ammeter 41 is used to carry out metering the filling for electric car of electric energy degree
Electricity charge provides the foundation.
Ammeter 41 measures obtained electric degree number and needs to be sent to controller 10, by controller 10 according to the electric degree number got
It calculates corresponding charge and executes subsequent charging step.In specific implementation, control can be realized by way of serial communication
The connection of device 10 and ammeter 41 in each charging equipment 22 processed.
Earth leakage circuit-breaker 42 can also be set in charging equipment 22, and earth leakage circuit-breaker 42 can be connected on current supply circuit
In, play good leakage protection, i.e., when leakage current is greater than default leakage current, can disconnect electric car with exchange
The connection of power supply, to greatly improve the safety of charging.Certainly, self- recoverage insurance can also be arranged in earth leakage circuit-breaker 42.
The setting of supply port is to be attached for convenience with electric car in charging equipment 22.Specifically it is attached
When, the connection of charging equipment 22 Yu electric car can be realized using charging cable.The set-up mode of supply port has very much,
And in the embodiment of the present application, supply port specifically selects the power supply base of at low cost, reliable and readily replaceable maintenance.And specific
When implementation, power supply base can be the standard socket of 10A/16A/32A, and the charging electricity for plug can be provided with one end
Cable connection.
It should be noted that charging system for electric automobile provided by the embodiments of the present application is directed generally to electric car offer
Trickle charge service, therefore charging current requirement will not be very high, power supply base can use the ordinary appliances socket being widely used,
Reliable and at low cost Domestic electric meter 41 also can be used in ammeter 41 for measuring electric energy.Why is the technical solution of the application
For trickle charge, allowing for fast charge has detrimental effect to batteries of electric automobile, can reduce the service life of batteries of electric automobile,
Also, fast charge is larger to the impact of power grid, and a large amount of fast charge will affect the stability of power grid.And in comparison, trickle charge does not have then
The harm of above-mentioned fast charge, but its charging time needed is longer.For this purpose, charging system for electric automobile provided by the embodiments of the present application
It is mainly used in the life place such as parking lot rather than such as public place in gas station, charging station, is so to use as far as possible
Family can use the longer non-time of using cars section (such as) that it possesses time of having a rest in the evening and charge to electric car, to the greatest extent may be used
It can be reduced the longer influence to user of trickle charge time.
Further, there are many selections in the specific implementation for controller 10, for example can be single-chip microcontroller, microprocessor or can
Programmed logic controller PLC.The embodiment of the present application implementation shown in the drawings uses PLC as controller 10.
It should be noted that above-mentioned is to control more charging equipments 22 by a controller 10 is corresponding, but work as parking lot
Region is larger, when charging equipment 22 is excessive, only control by single controller 10 being easy confusion, therefore can be using more there is layer
Secondary hierarchical structure controls charging equipment 22.Fig. 2 is referred to, Fig. 2 is a kind of electronic vapour provided by the embodiments of the present application
The grading control topological diagram of vehicle charging system.Total control box can be further set after control cabinet, and total control box include total
Controller, can also further be arranged a point control cabinet, and sub-control case includes sub-controller.Wherein, a total control box correspondence is more
It is a to divide control cabinet, it may also be said to be that a master controller can correspond to multiple sub-controllers, and a point of control cabinet correspond to it is multiple
Control cabinet a, that is to say, that sub-controller can correspond to multiple controllers.By way of grading control, parking lot can be made
The control management of parking stall is more orderly.
An example is provided below to facilitate and understand, for example the parking stall in one big parking lot can be divided into three macroplates,
And each plate can go out four regions with further division, each region has corresponded to several parking stalls；In this way, then can be set pair
The master controller that inductive charging system integrally controls arrives next stage, that is, corresponds to three macroplates, then can be respectively each big
Corresponding sub-controller, then next stage is arranged in plate, and a correspondence is respectively set in each region under corresponding each macroplate again
Controller, controller corresponds to several parking stalls that can control its region.
It is easily understood that more flexible according to the actual situation can be adjusted for convenience of the hierarchical structure for controlling and being arranged
It is whole.Such as in the case where the parking stall in parking lot is more, also settable multiple master controllers in charging system.Have between controller
How body is classified the cost of resource and entirety depending on hardware device.In the present embodiment, for the specific number of master controller
Amount, the particular number of the corresponding sub-controller of each master controller, the specific number of the corresponding zone controller of each sub-controller
The particular number of amount and the corresponding charging equipment of each zone controller, is not limited, and those skilled in the art can be with
It is arranged according to actual needs.
Need to carry out the transmission or communication of signal between electric car and charging equipment 22 when interacting, for friendship between the two
It is mutually monitored, it usually needs introduce control guidance function.The realization of guiding device 100 can be controlled with PWM by controlling guidance function,
And PWM control guiding device 100 can refer to Fig. 3~Fig. 5, wherein AI+ and AI- respectively indicates control there are many set-up mode
The simulation input anode interface and simulation input cathode interface of device 10 processed.
For example, may refer to Fig. 3, a PWM is set on each charging equipment 22 and controls guiding device 100, makes one
The interaction of a PWM control guiding device 100 corresponding responsible a charging equipment 22 and electric car.But such set-up mode needs
Multiple PWM control guiding devices 100 are equipped with, cost is more high.
There are also a kind of set-up modes, may refer to Fig. 5, and PWM control guiding device 100 is arranged in charging cable, but
Setting also needs each charging cable and configures PWM control guiding device 100 in this way, and cost is still higher.
For this purpose, the embodiment of the present application, which provides one kind, is preferable to provide mode, Fig. 4 may refer to, i.e., PWM is controlled into guiding dress
100 settings are set in control cabinet 1, and connect the supply port of each charging equipment 22 with PWM control guiding device 100
It connects, certainly, is additionally provided with control switch between each charging equipment 22 and PWM control guiding device 100, control switch is specific
It can be relay 200.In this way, a PWM control guiding device 100 can correspond to multiple charging equipments 22, PWM control guiding
The outfit quantity of device 100 can decline to a great extent, so that the overall cost of charging system greatly reduces.
GBT18487.1-2015 " electric car conduction charging system part 1 General Requirement " defines electric car and fills
Four kinds of charge modes of electricity and three kinds of connection types (connection type A, B and C).The PWM control guiding dress that Fig. 3~Fig. 5 is provided
It sets in 100 three kinds of set-up modes, the set-up mode of Fig. 3 and Fig. 4 signal is applicable to charge mode 3, the setting side of Fig. 5 signal
Formula is applicable to charge mode 2.To those skilled in the art, the basic meaning and spy of charge mode 2 and charge mode 3
Point can be obtained from pertinent literature, no longer be repeated herein.
PWM controls connection type B and connection side of the working principle of guiding device 100 suitable for national standard in the present embodiment
Formula C.Wherein it is possible to judge whether vehicle plug is fully connected with vehicle socket by the resistance value between monitoring PE and CC.
Wherein S3 is normally closed switch.When not connected, switch S3 is in closed state, and CC is not connected, and the resistance value between PE and CC is nothing
Limit is big.When half-connection, S3 is in an off state, and CC has connected, and the resistance value between PE and CC is R4+RC at this time.It is fully connected
When, S3 is in closed state, and CC has connected, and the resistance value between PE and CC is RC at this time.
It can also be the mating charging cable of charging equipment 22, the charging cable of outfit should have to be set on charging equipment 22
The power supply base set is matched for plug, and the vehicle plug connecting with electric car should be arranged in its other end, certainly, vehicle
Plug can be according to allowing the model of the electric car to charge voluntarily select different specifications.
In the auxiliary plan of charging cable, it can be 22 mating charging cables of a charging equipment, be also possible to
22 mating charging cables of nigh several charging equipments.It should be noted that.Charging cable can be using the shape leased
Formula is accommodated in and leases in cabinet.It leases in cabinet and is provided with and can control the cabinet door lock opened or be latched with signal.If user needs to rent
By means of charging cable, can be applied by mobile terminal, it is verified by rear, it can remotely control and lease cabinet opening cabinet door.
Charging cable match family do not need every time charge provide charging cable for oneself, provide convenience for user.
It is understood that if the use of the vehicle that charging equipment charges being electric car, in the initial of its charging
In the stage, charging current is smaller, is then gradually increased, and when electricity is gradually filled in its battery, charging current has one again and subtracts
Small process.For example, Yangze river and Huai river IEV5 is full of after electric power, operating current is 0.09A or so；It is luxuriant come automobile complete charging after, electric current
Reach 0.4A or so.
In charging system provided by the embodiments of the present application, controller 10 be can also be used to: be filled when judging that direct current signal is less than
When full preset value, it is determined that electric car completes charging, controls corresponding contactor and disconnects.
As an example, can set preset value to 1A, i.e., after direct current signal is less than 1A, judgement is being charged electronic
Automobile has been completed to charge, and no longer needs to as its supply of electrical energy.Therefore, controller 10 is controllable at this time corresponds to the electric car institute
The contactor 21 for connecting charging equipment 22 disconnects.
In practical applications, the vehicle letter of each electric car to charge into parking lot can be acquired in advance
Breath, so that it is determined that electric current when electric car is fully charged.One can be designed according to electric current of different electric cars when fully charged
Bigger current value is as preset value, naturally it is also possible to preset value be respectively set according to different electric cars, thus by controlling
Device 10 carries out the judgement whether being full of to vehicle electricity.
In charging system for electric automobile provided by the embodiments of the present application, controller 10 can also pass through the communication with user terminal
Interaction, meets many individual demands of user's stopping for charging or provides more economical charging schedules for user.
As a kind of possible implementation, the charging that controller 10 can be also used for receiving subscriber terminal equipment transmission is asked
It asks, the charge request carrying of transmission is corresponding to supplement remaining sum and user's registration information with money；Judge that user is corresponding according to charge request
When electric car allows to be electrically charged, then charge to electric car.
It is understood that parking stall only allows certain user to use in some parking lots.Such as community parking field,
Only allow neighbours living that electric car is docked at parking stall to charge.Therefore, the use that controller 10 is carried according to charge request
Family registration information can be known and send whether the user of the charge request is neighbours living by mobile terminal.
It is understood that if user supplement with money remaining sum it is too low when, it is difficult to ensure remaining remaining sum can pay charging and order
Therefore single expense is not permitted for supplementing the charge request that Sorry, your ticket has not enough value with money.
It can be seen that only supplement remaining sum abundance in charge request with money, and the satisfactory charge request of user's registration information,
For the charge request for meeting charging requirement.Sending the user of the request, accordingly electric car allows to be electrically charged.Controller at this time
10 charging equipments that can control vehicle place parking stall charge to the electric car.
It is understood that in practical applications, the electricity consumption period can be divided into low power consumption period and peak of power consumption period.?
The low power consumption period, power demand is small, and the electricity charge are lower；In the peak of power consumption period, power demand is big, and the electricity charge are higher.User can be with
Down time and Ti Che time are sent to controller 10 by mobile terminal.Controller 10 can be also used for reception user terminal and set
The down time and Ti Che time that preparation is sent arrange corresponding according to down time and Ti Che time to the electric car of user
Charge period.
For example, the low power consumption period in a certain city is morning 00:00 to morning 07:00.User's down time is at dusk
22:00, pick-up time are morning 9:00.Obviously, if started to charge from dusk 22:00, charge period and electricity consumption
Peak period is overlapped, and user's charging expense is caused to rise.For this purpose, controller 10 can be according to down time and Ti Che time
The electric car arrangement starts to charge it from morning 00:00.If vehicle can be at full charge within 5 hours, only
User is needed to pay the electricity charge of 5 hours of low power consumption period, and if started to charge from dusk 22:00,5 hours are full of
Afterwards, user is needed to pay the electricity charge of 3 hours of the electricity charge and low power consumption period of 2 hours of peak of power consumption period.It is i.e. described
Controller 10, when being also used to judge the charge period as the low power consumption period, then according to the corresponding charge of low power consumption period
Standard is deducted fees.As it can be seen that charging system provided by the embodiments of the present application can be improved user's use by arranging charge period
The economy that charging equipment charges promotes using and promoting for charging equipment；Also, that be commonly provided in cell is little Rong
Quantitative change depressor, if electric car charges in the peak of power consumption period, transformer will be difficult to meet the requirements, and therefore, the application is implemented
By reasonably regulating and controlling the charging time in example, the charging schedules of the different electric cars different period realizes to transformer
Capacity maximally utilizes, and is equivalent to and provides charging service for more users.
Controller 10 can be also used for judging whether direct current signal is less than or waits when contactor 21 is closed preset time period
In predetermined current, if it is, confirmation is that electric bicycle is charging, control contactor is disconnected.
As an example it is supposed that preset time period is 45 seconds, predetermined current 2A, counted since 31 closing moment of contactor
When, judge whether direct current signal is less than or equal to 2A when timing 45 seconds.In practical applications, if the vehicle to charge is
Electric car, the then direct current signal acquired when normal condition is 45 seconds lower can achieve 2A or more；And if the vehicle to charge
For electric bicycle, then it will not reach 2A or more at timing 45 seconds.To according to electric car and electric bicycle in charging
The corresponding electric current of concrete property it is different, can be by setting preset time period and predetermined current, to judge pair being electrically charged
Like electric bicycle or electric car.It can be seen that charging system provided by the present application being capable of using in charging equipment
The type of vehicle being electrically charged is judged in journey in time, is electronic so as in the initial phase of charging, forbid charging equipment as early as possible
Bicycle charging, avoids the occurrence of charging accident, to guarantee the safe handling of charging equipment.
Certainly, in practical applications, can be believed according to standard, the vehicle of electric car of the charging plug of charging equipment 22
The indexs such as the battery parameter of breath and electric car specifically set the size of preset time period and predetermined current.Therefore, the present embodiment
In the specific value of preset time period and predetermined current is not limited.
By being described above it is found that charging system for electric automobile provided by the embodiments of the present application, including multiple charging subsystems
And controller, and in each charging subsystem, the corresponding contactor of charging equipment is electrically connected with the controller of control cabinet,
Exactly realize the centralized control by controller to multiple charging equipments, compared to existing charging equipment be single pile be independently arranged and
Speech, the central controlled cost of the embodiment of the present application will substantially reduce.In addition, using electric current when carrying out real-time current detection
The current sampling method of the cooperation of mutual inductor and full bridge rectifier further mitigates the cost of current sampling；Furthermore this Shen
Please the leading trickle charge mode of charging system that provides of embodiment, ammeter therein, contactor, power supply base etc. do not need to bear fast
The high current of requirement is filled, therefore can use highly developed common component in the selection of electrical component, and this
Not only durable hardly possible is bad for a little elements, very low being broken the cost replaced and safeguarded.
Therefore, the embodiment of the present application offer charging system for electric automobile, can by cleverly design and advanced theory
With with the low-down cost-effective charging for securely achieving electric car, so that charging equipment (such as charging pile) is a wide range of even
The feasibility for very covering parking lot is very high, once promoting the use of, can provide convenience for the charging of user's electric car,
And also there is great help to the popularization of electric car.Also, after parking stall is each equipped with charging pile, user also more can
The charging modes for receiving trickle charge gradually form the charging habit more friendly to the battery of electric car.
The various implementations of charging system for electric automobile based on aforementioned offer, correspondingly, the application also provides one kind
Charging system for electric automobile control method.
Referring to Fig. 6, which is a kind of flow chart of charging system for electric automobile control method provided by the embodiments of the present application.
This method is applied to any charging system for electric automobile that previous embodiment provides.
As shown in fig. 6, charging system for electric automobile control method includes:
Step 601: receive charging carrier charging when real-time detection to current supply circuit on electric current.
Step 602: in the preset time period of corresponding contactor closure, persistently judging whether the electric current detected is less than
Or it is equal to predetermined current, if so, executing step 603.
Step 603: confirmation charging carrier is electric bicycle, issues cut-off signal to contactor.
Charging system for electric automobile control method provided by the present application, controller corresponding contactor be closed it is default when
Between in section, persistently judge whether the electric current detected is less than or equal to predetermined current, if it is, confirmation charging carrier is electronic
Bicycle, therefore, in order to avoid occur fire incident, controller to contactor issue cut-off signal, disconnect contactor, stop be
Electric bicycle charging.It can be seen that charging system for electric automobile control method provided by the present application can make in charging equipment
With the type for judging charging vehicle in time in the process, guarantee the safe handling of charging equipment.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (17)
1. a kind of charging system for electric automobile characterized by comprising multiple charging subsystems and control cabinet；
Controller is provided in the control cabinet；
Each charging subsystem includes: contactor, charging equipment, current transformer and rectification module；
For connecting with AC power source, the other end is connect by service cable with the charging equipment for one end of the contactor；
Each contactor is electrically connected with the controller, and the controller is used for when electric car needs to charge, control pair
The contactor closure answered；
The current transformer, for the electric current on the corresponding current supply circuit of real-time detection, and the electric current that will test is sent to institute
State rectification module；
The rectification module, the current rectification for detecting the current transformer is direct current signal, by the direct current signal
It is sent to the controller；
The charging equipment includes: ammeter and supply port；
The ammeter is connected in the current supply circuit, for carrying out rechargeable electrical energy metering in electric car charging；
The supply port is used to connect by charging cable with the electric car.
2. charging system for electric automobile according to claim 1, which is characterized in that the rectification module is specially that full-bridge is whole
Current circuit.
3. charging system for electric automobile according to claim 1, which is characterized in that be provided with PWM control in the control cabinet
Guiding device processed；
The supply port of each charging equipment passes through corresponding relay and PWM control guiding device connects
It connects；
The PWM control guiding device is used to monitor the interaction of each charging equipment and the electric car.
4. charging system for electric automobile according to claim 1, which is characterized in that be equipped with leakage in each charging equipment
Electric protective circuit breaker；
The earth leakage circuit-breaker is connected in the current supply circuit, for disconnecting institute when leakage current is greater than default leakage current
State the connection of electric car Yu the AC power source.
5. charging system for electric automobile according to claim 1, which is characterized in that the controller and all chargings
Serial communication is carried out between ammeter in equipment；
The controller, for obtaining the reading of all ammeters by serial communication side.
6. charging system for electric automobile according to claim 1, which is characterized in that the controller be specially single-chip microcontroller,
Microprocessor or programmable logic controller (PLC) PLC.
7. charging system for electric automobile according to claim 1, which is characterized in that the supply port is specially for electric mortiser
Seat.
8. charging system for electric automobile according to claim 7, which is characterized in that the charging equipment is also configured with described
Charging cable, described charging cable one end are provided with matched for plug with the power supply base, and the other end is provided with vehicle
Plug.
9. charging system for electric automobile according to claim 8, which is characterized in that be provided with PWM on the charging cable
Control guiding device.
10. charging system for electric automobile according to claim 8, which is characterized in that the charging cable, which is accommodated in, to be leased
In cabinet；
The cabinet door lock leased cabinet and be provided with signal control.
11. charging system for electric automobile according to claim 1, which is characterized in that further include: total control box and sub-control system
Case；
The total control box include master controller, and the sub-control case includes sub-controller；
One total control box correspond to it is multiple it is described divide control cabinet, divide control cabinet to correspond to multiple control cabinets described in one.
12. -11 described in any item charging system for electric automobile according to claim 1, which is characterized in that the controller, also
For receiving the charge request of subscriber terminal equipment transmission, the charge request carrying is corresponding to supplement remaining sum and user's registration letter with money
Breath；When judging that the corresponding electric car of the user allows to be electrically charged according to the charge request, then to the electric car into
Row charging.
13. -11 described in any item charging system for electric automobile according to claim 1, which is characterized in that the controller, also
When for judging that the direct current signal is less than full of preset value, it is determined that the electric car completes charging, controls corresponding institute
State contactor disconnection.
14. -11 described in any item charging system for electric automobile according to claim 1, which is characterized in that the controller, also
For receive subscriber terminal equipment transmission down time and Ti Che time, according to the down time and it is described mention the vehicle time,
Corresponding charge period is arranged to the electric car of user.
15. -11 described in any item charging system for electric automobile according to claim 1, which is characterized in that the controller, also
When for judging the charge period for the low power consumption period, then detained according to low power consumption period corresponding charging standard
Take；Low power consumption period, corresponding charging standard was lower than peak of power consumption period corresponding charging standard.
16. -11 described in any item charging system for electric automobile according to claim 1, which is characterized in that the controller is used
In when the contactor is closed preset time period, judge whether the direct current signal is less than or equal to predetermined current, if so,
Then confirmation is that electric bicycle is charging, and controls the contactor and disconnects.
17. a kind of charging system for electric automobile control method, which is characterized in that be applied to as described in claim any one of 1-16
Charging system for electric automobile, comprising:
Receive charging carrier charging when real-time detection to current supply circuit on electric current；
In the preset time period of corresponding contactor closure, it is pre- persistently to judge whether the electric current detected is less than or equal to
If electric current, if it is, the confirmation charging carrier is electric bicycle, Xiang Suoshu contactor issues cut-off signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105487.2A CN109823207B (en) | 2019-02-01 | 2019-02-01 | electric automobile charging system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105487.2A CN109823207B (en) | 2019-02-01 | 2019-02-01 | electric automobile charging system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109823207A true CN109823207A (en) | 2019-05-31 |
| CN109823207B CN109823207B (en) | 2020-01-31 |
Family
ID=66863204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910105487.2A Active CN109823207B (en) | 2019-02-01 | 2019-02-01 | electric automobile charging system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109823207B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365073A (en) * | 2019-07-02 | 2019-10-22 | 广州灿明都科技有限责任公司 | A kind of control method for the charging circuit topology may gradually increase charging pile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204809900U (en) * | 2015-05-20 | 2015-11-25 | 高见 | Intelligence electric vehicle charging apparatus |
| CN105375569A (en) * | 2015-11-19 | 2016-03-02 | 内蒙古电力勘测设计院有限责任公司 | Bus type electric vehicle alternating current charging pile and capacity expansion method therefor |
| CN106696734A (en) * | 2016-12-17 | 2017-05-24 | 韩少茹 | Electric vehicle charging system, charging pile and electric vehicle |
| CN107985094A (en) * | 2017-11-24 | 2018-05-04 | 广州市工贸技师学院 | A kind of vehicle charge device and method |
| JP2018085889A (en) * | 2016-11-25 | 2018-05-31 | 株式会社ｈ２ワークス | Charger, charging control method and program |
| CN208101739U (en) * | 2018-03-30 | 2018-11-16 | 珠海派诺科技股份有限公司 | Electric car concentrating type alternating-current charging pile |
| CN108859819A (en) * | 2018-06-17 | 2018-11-23 | 王小安 | New-energy automobile charging system |
| CN109117975A (en) * | 2017-06-26 | 2019-01-01 | 广州灿明都科技有限责任公司 | A kind of charging management system and method for electric automobile charging pile |
-
2019
- 2019-02-01 CN CN201910105487.2A patent/CN109823207B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204809900U (en) * | 2015-05-20 | 2015-11-25 | 高见 | Intelligence electric vehicle charging apparatus |
| CN105375569A (en) * | 2015-11-19 | 2016-03-02 | 内蒙古电力勘测设计院有限责任公司 | Bus type electric vehicle alternating current charging pile and capacity expansion method therefor |
| JP2018085889A (en) * | 2016-11-25 | 2018-05-31 | 株式会社ｈ２ワークス | Charger, charging control method and program |
| CN106696734A (en) * | 2016-12-17 | 2017-05-24 | 韩少茹 | Electric vehicle charging system, charging pile and electric vehicle |
| CN109117975A (en) * | 2017-06-26 | 2019-01-01 | 广州灿明都科技有限责任公司 | A kind of charging management system and method for electric automobile charging pile |
| CN107985094A (en) * | 2017-11-24 | 2018-05-04 | 广州市工贸技师学院 | A kind of vehicle charge device and method |
| CN208101739U (en) * | 2018-03-30 | 2018-11-16 | 珠海派诺科技股份有限公司 | Electric car concentrating type alternating-current charging pile |
| CN108859819A (en) * | 2018-06-17 | 2018-11-23 | 王小安 | New-energy automobile charging system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365073A (en) * | 2019-07-02 | 2019-10-22 | 广州灿明都科技有限责任公司 | A kind of control method for the charging circuit topology may gradually increase charging pile |
| CN110365073B (en) * | 2019-07-02 | 2023-10-27 | 广州灿明都科技有限责任公司 | Control method capable of gradually increasing charging circuit topology structure of charging pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109823207B (en) | 2020-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104218644B (en) | A kind of electric automobile alternating current-direct current intelligent integral charger and control method thereof | |
| CN106114276B (en) | Intelligent electric motor car charging pile control system | |
| CN104810894B (en) | A kind of split type direct-current charging post of electric automobile, system and method | |
| WO2018064861A1 (en) | Dual-connector electric car direct current charging pile | |
| CN102891505B (en) | Charging device, Intelligent transport instrument charging system and method for operation thereof | |
| CN103762689B (en) | A kind of electric automobile alternating current-direct current combined charging control system and control method | |
| CN104283239B (en) | Onboard wireless charging system for mobile terminal | |
| CN107910906B (en) | Mobile charging method and system for electric automobile | |
| CN104283238B (en) | Onboard wireless charging system for mobile terminal | |
| CN101645612B (en) | Interstation interlock control system for transmission line close operation and reflecting ground-switch state | |
| CN106787059A (en) | A kind of charging system of electric automobile | |
| CN107696883A (en) | Electric vehicle concurrent charging method and equipment | |
| CN102280903A (en) | V2G intelligent charging and discharging system | |
| CN107895974A (en) | A kind of electric automobile energy storage mobile charging stake and system | |
| CN105322583A (en) | Electric automobile group charging device and system | |
| CN109103913B (en) | Charging and energy storage integrated system based on charging pile and working method thereof | |
| CN104377785B (en) | A kind of electric motorcar charging station and application method | |
| CN110497817A (en) | A kind of integrated form is with filling integrated high power DC charging heap control method and system | |
| CN105337331A (en) | Electromobile group charging method and system | |
| CN101976862A (en) | Charging pile system and operation strategy thereof | |
| KR101233717B1 (en) | Charging and Billing System Using Smart Connectors for Rechargeable Battery | |
| TW202141885A (en) | Ac charging system for electric vehicles | |
| CN107379979A (en) | The quick vehicle-mounted emergent charging system of Multifunctional mobile | |
| CN107444190A (en) | A kind of control guiding charging device of vertical circulating parking equipment | |
| CN109823207A (en) | A kind of charging system for electric automobile and its control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201216 Address after: Room 401, building 13, No. 159, Xianlie East Road, Guangzhou, Guangdong 510000 Patentee after: Yang Can Address before: A38, floor 133, No. 4, 6, Zidong street, Liwan District, Guangzhou City, Guangdong Province 510000 Patentee before: GUANGZHOU CANMINGDU TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210813 Address after: 510000 No. 106, Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-g024995 Patentee after: Guangzhou Chongfeng new energy Co.,Ltd. Address before: Room 401, building 13, No. 159, Xianlie East Road, Guangzhou, Guangdong 510000 Patentee before: Yang Can |
|
| TR01 | Transfer of patent right |