CN202795574U - Electric automobile orderly charge control system capable of avoiding overload of power network - Google Patents
Electric automobile orderly charge control system capable of avoiding overload of power network Download PDFInfo
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- CN202795574U CN202795574U CN2012203967874U CN201220396787U CN202795574U CN 202795574 U CN202795574 U CN 202795574U CN 2012203967874 U CN2012203967874 U CN 2012203967874U CN 201220396787 U CN201220396787 U CN 201220396787U CN 202795574 U CN202795574 U CN 202795574U
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Abstract
The utility model discloses an electric automobile orderly charge control system capable of avoiding overload of a power network. The electric automobile orderly charge control system comprises a power load management system, a charge control box, a railing-type power supply pile, a vehicle-mounted power supply device and a charge management center. The power load management system used for detecting power load of a transformer in a detection area in real time and avoiding overload of the power network is arranged on the basis of an original roadside automatic charge system, management for the quantity of vehicles needing to be charged is carried out, by means of the system, the problem that the power network is overloaded and broken down caused by simultaneous charging of the vehicles at a roadside can be effectively avoided, and accordingly safety of the power network is guaranteed. The system eliminates worries of a grid company about a roadside charging mode of electric automobiles, and facilitates quick popularization of the roadside charging mode of the electric automobiles.
Description
Technical field
The utility model relates to a kind of electric automobile roadside charging controller system.
Background technology
According to car industry " 12 " planning, the coming five years, Chinese Automobile Industry will be advocated the energy-saving automobile that development comprises new-energy automobile energetically.Pure electric automobile is subject to unprecedented attention.But the convenient charging problem of electric automobile is a bottleneck of puzzlement Development of Electric Vehicles always.
At present exist some problems in the use of electric automobile, concentrate (trickle charge or fill soon) charging in the roadside such as: electric automobile, cause electric net overload easily and collapse; Traditional charging device (charging station and charging column) car owner be difficult to search, and vehicle inconvenience is stopped and used; Fast charge mode shortens battery life, etc.These problems have seriously restricted popularizing and promoting of electric automobile.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of sequential charging control system for electric vehicles of avoiding electric net overload.
The technical scheme that the invention for solving the technical problem adopts is:
Can avoid the sequential charging control system for electric vehicles of electric net overload, comprise that setting is used for the vehicle-mounted electricity getting device of power taking onboard, a plurality ofly the railing type power supply stake of supply voltage is provided and is used for controlling the electric charging controlling box of a plurality of railing types power supply stakes for electric automobile, electric charging controlling box is connected with a plurality of railing type power supply stakes, described vehicle-mounted electricity getting device comprises the vehicle-mounted charge control enclosure for the control Vehicular charging, vehicle-mounted electricity getting device is communicated by letter with electric charging controlling box by the vehicle-carrying communication interface in the vehicle-mounted charge control enclosure, described electric charging controlling box is by internet and the Charge Management center connection communication that is connected controlling charging process, wherein the power input interface of electric charging controlling box is connected to local section transformer, described section transformer is railing type power supply stake power supply by electric charging controlling box, also comprise for detecting in real time section transformer electric load, avoid the power load management system of electric net overload, described power load management system comprises the current transformer of sampling for to section transformer current and load, be used for section transformer electric load situation is examined the electric load detection module of Real-Time Monitoring, the power communication interface that is used for the management of power load module that the electric charging controlling box power load is managed and is used for communicating with electric charging controlling box, current transformer, the electric load detection module, management of power load module is connected with the power communication interface and is in succession connected.
Electric charging controlling box is connected with a plurality of railing type power supply stakes, each railing type power supply stake can be charged for an electric automobile, electric charging controlling box can be controlled the power supply state of railing type power supply stake, electric charging controlling box and the electric automobile wired or wireless communication that needs charging, and by internet and Charge Management center to center communications, the charging process of electric automobile is controlled and managed, because railing type power supply stake is to power by the section transformer of locality, therefore when charging vehicle arrives certain quantity, can increase local power load, thereby affect local electric power facility and resident's electricity consumption, restricting the development of roadside autonomous driving vehicle charging system.
For sort this problem out, power load management system is set, detect in real time section transformer electric load, and communicate by letter with electric charging controlling box and to adjust the charging control mode of electric charging controlling box, the quantity of control Vehicular charging is avoided electric net overload.
Management of power load module is in charge of the charging quantity of electric automobile, by current transformer the current conditions of section transformer is sampled, and will adopt data transmission to detect to the electric load detection module, management of power load module is known the electric load state of local section transformer by the electric load detection module.
Electric charging controlling box and the electric automobile wired or wireless communication that needs charging, obtain automobile number to be charged, report the data of vehicle to be charged to management of power load module by the power communication interface, management of power load module sends charging permission quota number according to the load condition of section transformer to electric charging controlling box, electric charging controlling box carries out Charge Management according to the quota number to each power supply stake, the quantity of control charging vehicle.
Further, when the vehicle number of application charging was counted greater than quota, electric charging controlling box divided into groups to take turns the current control charging according to quota quantities to required charging vehicle, allowed the automobile grouping of required charging take turns current charge.Allow the automobile grouping of required charging take turns current charge, can not only reduce the load of section transformer, and can avoid occurring the situation that certain automobile can not charge always, applicability and the practicality of its allocation scheme are better.
Further, electric charging controlling box has been preset the remaining quota variation range, in the process that vehicle is charging, owing to can changing, the load of section transformer causes charging quota when changing, if surpass default variation range if the charging quota changes, then quota quantities are adjusted accordingly, if change within scope, then kept original charging control.
Further, electric charging controlling box detects the battery allowance of vehicle by the vehicle-mounted charge control enclosure, if find that battery electric quantity is low, then this automobile straight taps into the row major charging, do not need in turn Charge Management, this design can be satisfied the necessary electric weight of automobilism, allows the low vehicle of electric weight preferentially charge, and its practicality is better.
In the process that vehicle charges, the load of section transformer can constantly change, allow simultaneously the quota of Vehicular charging also in continuous variation, when the charging quota changes, Vehicular charging control need to be adjusted accordingly, the numerical value that when system moves remaining quota is changed sets in advance a scope, if the variation of remaining quota surpasses preset range, start the track algorithm that slows down soon and increase, then the quota number is adjusted accordingly, namely the amplitude of the Amplitude Ratio quota number minimizing of default quota number increase is large, system can respond fast and adjust actual quota number when the quota number reduces, in order to avoid be local section transformer agency burden, and when the quota number increases the stability of energy keeping system.
When the quota number does not surpass preset range, start just value-based algorithm, it is the quota number of keeping system initial setting, change in the little situation at the remaining quota number, avoid causing system constantly to adjust because of the continuous variation of quota number, the pattern of charging control is constantly changed, increase Systems balanth.
If electric charging controlling box breaks down with communicating by letter of power load management system, then start the minimum value algorithm, the quota that is about in the time same period in the historical data table is counted minimum value as the allocation of quota number of reality.This setting can guarantee that charging system can not bring load to electrical network when electric charging controlling box breaks down with communicating by letter of power load management system, has guaranteed the normal operation of section transformer.
Further, described power load management system also comprises the power load sensor node, described power load sensor node is connected with management of power load module, and the energy-accumulating power station of system region, residential block, manufacturing enterprise and quick charge station report the power load situation by the power load sensor node to management of power load module.This design allows the quota number so that management of power load module is in time adjusted the charging of electric charging controlling box.
Further, power load management system is carried out unified monitoring, management and distribution to the power load of the manufacturing enterprise in the section, the residential block power load in the section, the quick charge station that electric automobile in the section fills in trickle charge electric charging controlling box, the section in turn in turn soon, the energy-accumulating power station in the section.The wherein electricity consumption of manufacturing enterprise, enjoy limit priority, before the powerful device start electricity consumption of manufacturing enterprise, to send to " power load management system " of section first " application and notice ", convenient " power load management system " carried out in advance the unified of electric power resource and arranged.The electricity consumption priority of residential block is inferior to manufacturing enterprise, and the electric load sensor of residential block in real time to the electric load situation of " power load management system " report residential block, makes things convenient for " power load management system " to carry out the unified of electric power resource and arranges.Electric automobile is carried out by the in turn trickle charge of quota number and is charged inferior to the residential block electricity consumption, the vehicle group of electric automobile, according to " the quota number that charging allows " of " power load management system " issue, under the unified control of electric charging controlling box, carry out in turn trickle charge charging.And the quick charge station in the section according to " charging allow quota number " of " power load management system " issue, under the unified control of the electric charging controlling box of quick charge station, fills charging to the vehicle group in turn soon.Energy-accumulating power station in the section is at the stage of night dip electricity, controlled charging; Energy-accumulating power station in the section, in peak times of power consumption, controlled discharge is incorporated into the power networks.
Further, described electric charging controlling box comprises charge control module, be used for the vehicle communication interface that communicates with vehicle, for the communication of power system module of communicating by letter with power load management system, be connected to the optical fiber access point of internet and be used for railing type power supply stake is carried out the power switch of power supply control by optical fiber, described vehicle communication interface, the communication of power system module, the optical fiber access point is connected with charge control module with power switch and is connected, the power input of described power switch is connected with the section transformer, and the power supply output terminal of power switch is connected to railing type power supply stake.Charge control module communicates with power load management system and charging vehicle respectively by communication of power system module, vehicle communication interface, allow the quota number to obtain the charging of required charging vehicle quantity and section transformer, communicate by optical fiber access point connecting Internet and Charge Management center, relevant charging is controlled and is realized in control to the charging of vehicle, and allow the quota number according to charging, and control the power supply of a plurality of railing types power supply stakes by power switch.
Further, the power communication interface in the power load management system is connected communication by GPRS network or fiber optic network with the communication of power system module.GPRS network can be utilized existing communication facilities, reduces system cost, and uses its speed of fiber optic network faster, and reliability is higher; Native system can communicate according to the different communication mode of different local uses, and its practicality and applicability are better.
Further, vehicle-mounted electricity getting device comprises for the vehicle-mounted electricity getting device, the battery case that connect railing type power supply stake and carry out power taking, is used for battery case is carried out the vehicle-mounted trickle charge charge motor of charging battery and with the vehicle-mounted charge control enclosure of controlling Vehicular charging, be provided with in the described vehicle-mounted charge control enclosure for the vehicle-carrying communication interface that is connected communication with electric charging controlling box vehicle communication interface, described vehicle-mounted electricity getting device, vehicle-mounted trickle charge charging set are connected with battery case and are in succession connected, and the vehicle-mounted charge control enclosure is connected with battery case with vehicle-mounted trickle charge charging set respectively.Described vehicle-mounted trickle charge charging set is asked in the future, and to convert direct current to be battery charging in the battery case for the alternating current of electrical equipment, and the vehicle-mounted charge control enclosure is to the control of charging of vehicle-mounted trickle charge charging set, and the vehicle-mounted charge control enclosure connects battery case and obtains battery allowance information in the battery case.
Further, described railing type power supply stake comprises controlled electrical connector receptacle and power supply pole plate, and described controlled soket is connected with the Power supply output terminal of power switch respectively with the pole plate of being connected; Described vehicle-mounted electricity getting device comprises the plug-in electrode that is complementary with controlled electrical connector receptacle and the electricity getting device electrode that is complementary with the power supply pole plate, and described plug-in electrode is connected with the electricity getting device electrode with vehicle-mounted trickle charge charge motor and is connected.Vehicle can charge by controlled soket or power supply pole plate, and its selection mode is more, and operational effect is better.
Further, described controlled electrical connector receptacle comprises for the controlled line of electric force socket that inserts power taking for the plug-in electrode, for the parking stall IC-card card reader that reads user's IC-card and for the display module that shows charged state, described controlled line of electric force socket is connected with the output terminal of power switch, described IC-card card reader and vehicle communication interface wired connection.Described IC-card card reader is used for when charging by the startup charging procedure of swiping the card, wherein IC-card is corresponding with the vehicle-mounted electricity getting device on the electric automobile, when user card punching, IC-card transfers to charge control module in the electric charging controlling box to vehicle by the vehicle-carrying communication interface for information about by the IC-card card reader, charge control module realizes the control of wheel current charge by the control power switch, be more convenient for user's use, wherein display module can be pointed out the state of charging in charging process.Wherein display module comprises the pilot lamp of red, green, yellow three kinds of colors, and when red light glimmered, representative charging or communication were broken down, the prompting driver makes relevant treatment, when green light glimmered, representative charged normal, when amber light normal when bright, representative certificate is in holding state, when amber light glimmered, representative was waiting state to be charged, can allow the driver in time obtain the charged state of electric automobile by display module, convenient for users to use, its design is more reasonable.
Further, described electric charging controlling box also comprises the zigbbe wireless communication module, described wireless communication module is connected with charge control module, described vehicle-mounted charge control enclosure comprises the zigbbe wireless communication interface, and described wireless communication interface and zigbbe wireless communication module are by the wireless connections of zigbee wireless channel.ZigBee technology be a kind of closely, low complex degree, low-power consumption, low rate, bidirectional wireless communication technology cheaply.Be mainly used in the application carrying out data transmission and periodic data, intermittent data and the transmission of low reaction time data are typically arranged between short, low in energy consumption and the various electronic equipments that transfer rate is not high of distance, employing ZigBee channel carries out radio communication can greatly reduce communications cost between electric charging controlling box and the vehicle-mounted electricity getting device.
Further, this automatic charging system is carried out the charging electricity bill control of the prepayment rechargeable card mode of " license plate number+GSM number card+database ", and namely by ID number, GSM number card of vehicle, the electricity charge prestore; This setting can allow car owner user with filling with button, and can inquire about relevant remaining sum, for fear of because economic loss that Sorry, your ticket has not enough value can not charge and cause, native system allows the charging in continuous three the interim arrearage situations of vehicle, (arrearage information, the mode of screen display and voice suggestion is notified the car owner).Based on the charge calculation of vehicle-mounted GSM number card, be conducive to carry out transregional charging operations.
Need the vehicle of charging at first to report to electric charging controlling box by the vehicle-carrying communication interface, send the information of this power supply stake by vehicle-carrying communication interface and vehicle communication interface to the vehicle electricity getting device, such as ID number, GSM number of power supply.
When railing type is powered stake when can't detect charging current, charge control module control power switch cuts off the supply of alternating current forceful electric power, " report-report flow-withdraw from " mechanism is carried out in vehicle and railing type power supply stake, and vehicle sends the information of deducting fees to electric charging controlling box and deducts fees after charging is complete.And on-the-spot supervisor personnel can find the flow of this car and the historical data of deducting fees on the net according to the number-plate number.
Further, comprise that also the direct-flow input end of described inversion unit array is connected with power switch for the inversion unit array that direct current is become alternating current, the ac output end of inversion unit array is connected with electrical network.In the time of the transformer load anxiety of section, place, under the unified control of power load management system, vehicle can by the inversion unit array toward electrical network inversion discharge, be alleviated the shortage of electric power of section, place transformer.
Preferably, the ac output end of described inversion unit array is connected with electrical network by the wave filter that is incorporated into the power networks.The electric current of input electrical network is more steady during this design, and its practicality is better.
Further, described power switch comprises communication interface switch, charge switch, discharge switch and is used for driving the switch control driving circuit of drawing together communication interface switch, charge switch, discharge switch folding condition, the folding control end electrical connection of described switch control driving circuit and communication interface switch, charge switch, discharge switch; Wherein an end of communication interface switch is connected with charge control module, one end of charge switch is connected with the power output end of section transformer, one end of discharge switch is connected with the inversion unit array, and the other end of communication interface switch, charge switch, discharge switch all is connected with the supply lines of railing type power supply stake, and the control input end of described switch control driving circuit is connected with charge control module.
Described communication interface switch, charge switch and discharge switch are subject to the driving control of switch control rotating band incoming road, wherein the control input end of switch control driving circuit is respectively equipped with three road control inputs interfaces, control respectively the communication interface switch, charge switch and discharge switch, described charge switch is responsible for connecting the supply line of section transformer and railing type power supply stake, be controlled electrical connector receptacle or the power supply pole plate of railing type charging pile, for vehicle provides power supply, discharge switch then is used for connecting railing type power supply stake and inversion unit array, be used for making the direct current on the automobile be output to electrical network, and the communication interface switch is for controlling communicating by letter of charge control module and railing type power supply stake, wherein charge control module and railing type power supply stake communicating by letter and the power supply shared line, can reduce the laying of circuit, its control mode of Cost reduction is also comparatively stable.
The beneficial effects of the utility model are: the utility model can be avoided the sequential charging control system for electric vehicles of electric net overload, be provided for the power load management system that detects in real time section transformer electric load, avoid electric net overload by the basis at original roadside automatic charging system, charging quantity to vehicle manages, utilize this system, can effectively avoid electric automobile to concentrate the problem of charging and causing the electric net overload collapse in the roadside, thereby guarantee the safety of electrical network.This For Solutions of Systems helps to promote popularizing fast of electric automobile roadside charge mode except the misgivings of grid company Development of EV roadside charge mode.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and example.
Fig. 1 is the total system principle schematic of the utility model charging control system of electric automobile.
Fig. 2 is system's schematic block diagram of the utility model charging control system of electric automobile.
Fig. 3 is the system chart of the vehicle-mounted electricity getting device of the utility model.
Fig. 4 is the principle schematic of the utility model power switch.
Fig. 5 is the connection diagram of the utility model electric charging controlling box and controlled electrical connector receptacle.
Fig. 6 is charging control main flow chart of the present utility model.
Fig. 7 is the charging control sub-process figure when the remaining quota number surpasses preset range.
Fig. 8 is the charging control sub-process figure when the remaining quota number is less than preset range.
Fig. 9 is the charging control sub-process figure when electric charging controlling box and power load management system communication failure.
Embodiment
With reference to Fig. 1-shown in Figure 4, the utility model can be avoided the sequential charging control system for electric vehicles of electric net overload, comprise that setting is used for the vehicle-mounted electricity getting device 2 of power taking onboard, a plurality ofly the railing type power supply stake 1 of supply voltage is provided and is used for controlling the electric charging controlling box 3 of a plurality of railing types power supply stakes 1 for electric automobile, electric charging controlling box 3 is connected with a plurality of railing type power supply stakes 1, described vehicle-mounted electricity getting device 2 comprises the vehicle-mounted charge control enclosure 21 for the control Vehicular charging, vehicle-mounted electricity getting device 2 is communicated by letter with electric charging controlling box 3 by the vehicle-carrying communication interface 22 in the vehicle-mounted charge control enclosure 21, described electric charging controlling box 3 is by internet and the Charge Management center 4 connection communications that are connected controlling charging process, wherein the power input interface of electric charging controlling box 3 is connected to local section transformer 5, described section transformer 5 is railing type power supply stake 1 power supply by electric charging controlling box 3, it is characterized in that: also comprise for detecting in real time section transformer 5 electric loads, avoid the power load management system 6 of electric net overload, described power load management system 6 comprises the current transformer 61 of sampling for to section transformer 5 electric currents and load, be used for transformer 5 electric load situations in section are examined the electric load detection module 62 of Real-Time Monitoring, obtain the current information of section transformer 5 by current transformer 61, and draw electric load and the power headroom of section transformer 5 according to this information analysis, the power communication interface 64 that is used for the management of power load module 63 that electric charging controlling box 3 power loads are managed and is used for communicating with electric charging controlling box 3, current transformer 61, electric load detection module 62, management of power load module 63 is connected with the power communication interface successively and is in succession connected.
Electric charging controlling box 3 is connected with a plurality of railing type power supply stakes 1, each railing type power supply stake 1 can be charged for an electric automobile, electric charging controlling box 3 can be controlled the power supply state of railing type power supply stake 1, electric charging controlling box 3 and the electric automobile wired or wireless communication that needs charging, and communicate by letter with Charge Management center 4 by the internet, the charging process of electric automobile is controlled and managed, because railing type power supply stake 1 is to power by the section transformer 5 of locality, therefore when charging vehicle arrives certain quantity, can increase local power load, thereby affect local electric power facility and resident's electricity consumption, restricting the development of roadside autonomous driving vehicle charging system.
For sort this problem out, power load management system 6 is set, detect in real time section transformer 5 electric loads, and communicate by letter with electric charging controlling box 3 and to adjust the charging control mode of electric charging controlling box 3, the quantity of control Vehicular charging is avoided electric net overload.
Management of power load module 63 is in charge of the charging quantity of electric automobile, current conditions by 61 pairs of section transformers 5 of current transformer is sampled, and will adopt data transmission to detect to electric load detection module 62, management of power load module 63 is known the electric load state of local section transformer 5 by electric load detection module 62.
Electric charging controlling box 3 and the electric automobile wired or wireless communication that needs charging, obtain automobile number to be charged, report the data of vehicle to be charged to management of power load module 63 by power communication interface 64, management of power load module 63 sends charging permission quota number according to the load condition of section transformer 5 to electric charging controlling box 3, electric charging controlling box 3 carries out Charge Management, the quantity of control charging vehicle according to the quota number to each railing type power supply stake 1.
Further, when the vehicle number of application charging was counted greater than quota, electric charging controlling box 3 divided into groups to take turns the current control charging according to quota quantities to required charging vehicle, allowed the automobile grouping of required charging take turns current charge.Allow the automobile grouping of required charging take turns current charge, can not only reduce the load of section transformer 5, and can avoid occurring the situation that certain automobile can not charge always, applicability and the practicality of its allocation scheme are better.
Further, electric charging controlling box 3 has been preset the remaining quota variation range, in the process that vehicle is charging, owing to can changing, the load of section transformer 5 causes charging quota when changing, if surpass default variation range if the charging quota changes, then quota quantities are adjusted accordingly, if change within scope, then kept original charging control.
Further, electric charging controlling box 3 detects the battery allowance of vehicle by vehicle-mounted charge control enclosure 21, if find that battery electric quantity is low, then this automobile straight taps into the row major charging, do not need in turn Charge Management, this design can be satisfied the necessary electric weight of automobilism, allows the low vehicle of electric weight preferentially charge, and its practicality is better.
In the process that vehicle charges, the load of section transformer 5 can constantly change, allow simultaneously the quota of Vehicular charging also in continuous variation, when the charging quota changes, Vehicular charging control need to be adjusted accordingly, the numerical value that when system moves remaining quota is changed sets in advance a scope, if the variation of remaining quota surpasses preset range, start the track algorithm that slows down soon and increase, then the quota number is adjusted accordingly, namely the amplitude of the Amplitude Ratio quota number minimizing of default quota number increase is large, system can respond fast and adjust actual quota number when the quota number reduces, in order to avoid be local section transformer 5 agency's burdens, and when the quota number increases the stability of energy keeping system.
When the quota number does not surpass preset range, start just value-based algorithm, it is the quota number of keeping system initial setting, change in the little situation at the remaining quota number, avoid causing system constantly to adjust because of the continuous variation of quota number, the pattern of charging control is constantly changed, increase Systems balanth.
If electric charging controlling box 3 breaks down with communicating by letter of power load management system 6, then start the minimum value algorithm, the quota that is about in the time same period in the historical data table is counted minimum value as the allocation of quota number of reality.This setting can guarantee that charging system can not bring load to electrical network when electric charging controlling box 3 breaks down with communicating by letter of power load management system 6, has guaranteed the normal operation of section transformer 5.
Further, described power load management system 6 also comprises power load sensor node 65, described power load sensor node 65 is connected with management of power load module 63, and the energy-accumulating power station of system region, residential block, manufacturing enterprise and quick charge station report the power load situation by power load sensor node 65 to management of power load module 63.This design allows the quota number so that management of power load module 63 is in time adjusted the charging of electric charging controlling box 3.
Further, the quick charge station, the energy-accumulating power station in the section that fill soon in turn in trickle charge electric charging controlling box, the section in turn of the power load of the manufacturing enterprise in 6 pairs of sections of power load management system, the residential block power load in the section, the electric automobile in the section carries out unified monitoring, management and distribution.The wherein electricity consumption of manufacturing enterprise, enjoy limit priority, before the powerful device start electricity consumption of manufacturing enterprise, to send to " power load management system 6 " of section first " application and notice ", convenient " power load management system 6 " carried out in advance the unified of electric power resource and arranged.The electricity consumption priority of residential block is inferior to manufacturing enterprise, and the electric load sensor of residential block in real time to the electric load situation of " power load management system 6 " report residential block, makes things convenient for " power load management system 6 " to carry out the unified of electric power resource and arranges.Electric automobile is carried out by the in turn trickle charge of quota number and is charged inferior to the residential block electricity consumption, the vehicle group of electric automobile, according to " the quota number that charging allows " of " power load management system 6 " issue, under the unified control of electric charging controlling box 3, carry out in turn trickle charge charging.And the quick charge station in the section according to " charging allow quota number " of " power load management system 6 " issue, under the unified control of the electric charging controlling box of quick charge station, fills charging to the vehicle group in turn soon.Energy-accumulating power station in the section is at the stage of night dip electricity, controlled charging; Energy-accumulating power station in the section, in peak times of power consumption, controlled discharge is incorporated into the power networks.
Further, described electric charging controlling box 3 comprises charge control module 31, be used for the vehicle communication interface 32 that communicates with vehicle, for the communication of power system module 33 of communicating by letter with power load management system 6, be connected to the optical fiber access point 34 of internet and be used for railing type power supply stake 1 is carried out the power switch 35 of power supply control by optical fiber, described vehicle communication interface 32, communication of power system module 33, optical fiber access point 34 is connected with power switch and is connected with charge control module 31 respectively, the power input of described power switch 35 is connected with section transformer 5, and the power supply output terminal of power switch 35 is connected to railing type power supply stake 1.Charge control module 31 communicates with power load management system 6 and charging vehicle respectively by communication of power system module 33, vehicle communication interface 32, to obtain required charging vehicle quantity and section transformer 5 charging permission quota numbers, communicate by optical fiber access point 34 connecting Internets and Charge Management center 4, relevant charging is controlled and is realized in control to the charging of vehicle, and according to charging permission quota number, and pass through the power supply that power switch 35 is controlled a plurality of railing types power supply stakes 1.
Further, the power communication interface in the power load management system 6 64 is connected communication by GPRS network or fiber optic network with communication of power system module 33.GPRS network can be utilized existing communication facilities, reduces system cost, and uses its speed of fiber optic network faster, and reliability is higher; Native system can communicate according to the different communication mode of different local uses, and its practicality and applicability are better.
Further, vehicle-mounted electricity getting device 2 comprises for connecting the railing type power supply stake 1 vehicle-mounted electricity getting device 23 that carries out power taking, battery case 24, be used for battery case 24 is carried out the vehicle-mounted trickle charge charge motor 25 of charging battery and with the vehicle-mounted charge control enclosure 21 of controlling Vehicular charging, be provided with in the described vehicle-mounted charge control enclosure 21 for the vehicle-carrying communication interface 22 that is connected communication with electric charging controlling box 3 vehicle communication interfaces 32, described vehicle-mounted electricity getting device 23, vehicle-mounted trickle charge charging set is connected with battery case successively and is in succession connected, and vehicle-mounted charge control enclosure 21 is connected with battery case 24 with vehicle-mounted trickle charge charging set respectively.Described vehicle-mounted trickle charge charging set is asked in the future, and to convert direct current to be batteries charging in the battery case 24 for the alternating current of electrical equipment, and the control of charging of 21 pairs of vehicle-mounted trickle charge charging sets of vehicle-mounted charge control enclosure, vehicle-mounted charge control enclosure 21 connects battery cases 24 and obtains battery allowance information in the battery case 24.
Further, described railing type power supply stake 1 comprises controlled electrical connector receptacle 11 and power supply pole plate 12, and described controlled electrical connector receptacle 11 is connected with the Power supply output terminal of power switch 35 respectively with the pole plate 12 of being connected; Described vehicle-mounted electricity getting device 23 comprises the plug-in electrode 231 that is complementary with controlled electrical connector receptacle 11 and the electricity getting device electrode 232 that is complementary with power supply pole plate 12, and described plug-in electrode 231 is connected with the electricity getting device electrode and is connected with vehicle-mounted trickle charge charge motor 25 respectively.Vehicle can charge by controlled electrical connector receptacle 11 or power supply pole plate 12, and its selection mode is more, and operational effect is better.
With reference to shown in Figure 5, described controlled electrical connector receptacle 11 comprises for the controlled line of electric force socket 111 that inserts power taking for plug-in electrode 231, reaches the display module 113 that is used for showing charged state for the parking stall IC-card card reader 112 that reads user's IC-card, described controlled line of electric force socket 111 is connected with the output terminal of power switch 35, described IC-card card reader 112 and vehicle communication interface 32 wired connections.Described IC-card card reader is used for when charging by the startup charging procedure of swiping the card, wherein IC-card is corresponding with the vehicle-mounted electricity getting device 2 on the electric automobile, when user card punching, IC-card transfers to charge control module 31 in the electric charging controlling box 3 to vehicle by vehicle-carrying communication interface 32 for information about by the IC-card card reader, charge control module 31 realizes the control of wheel current charge by control power switch 35, be more convenient for user's use, wherein display module 113 can be pointed out the state of charging in charging process.Wherein display module 113 comprises the pilot lamp of red, green, yellow three kinds of colors, and when red light glimmered, representative charging or communication were broken down, the prompting driver makes relevant treatment, when green light glimmered, representative charged normal, when amber light normal when bright, representative certificate is in holding state, when amber light glimmered, representative was waiting state to be charged, can allow the driver in time obtain the charged state of electric automobile by display module 113, convenient for users to use, its design is more reasonable.
Further, described electric charging controlling box 3 also comprises zigbbe wireless communication module 36, described wireless communication module 36 is connected with charge control module 31, described vehicle-mounted charge control enclosure 21 comprises zigbbe wireless communication interface 26, and described wireless communication interface 26 passes through the wireless connections of zigbee wireless channel with zigbbe wireless communication module 36.ZigBee technology be a kind of closely, low complex degree, low-power consumption, low rate, bidirectional wireless communication technology cheaply.Be mainly used in the application carrying out data transmission and periodic data, intermittent data and the transmission of low reaction time data are typically arranged between short, low in energy consumption and the various electronic equipments that transfer rate is not high of distance, employing ZigBee channel carries out radio communication can greatly reduce communications cost between electric charging controlling box 3 and the vehicle-mounted electricity getting device 2.
Further, this automatic charging system is carried out the charging electricity bill control of the prepayment rechargeable card mode of " license plate number+GSM number card+database ", and namely by ID number, GSM number card of vehicle, the electricity charge prestore; This setting can allow car owner user with filling with button, and can inquire about relevant remaining sum, for fear of because economic loss that Sorry, your ticket has not enough value can not charge and cause, native system allows the charging in continuous three the interim arrearage situations of vehicle, (arrearage information, the mode of screen display and voice suggestion is notified the car owner).Based on the charge calculation of vehicle-mounted GSM number card, be conducive to carry out transregional charging operations.
The vehicle that needs charging at first by vehicle-carrying communication interface 26 to electric charging controlling box 3 reports, send the information of this power supply stake by vehicle-carrying communication interface 26 and vehicle communication interface 32 to vehicle electricity getting device 2, such as ID number, GSM number of power supply stake.
When railing type is powered stake 1 when can't detect charging current, charge control module 31 control power switchs 35 cut off the supply of alternating current forceful electric power, " report-report flow-withdraw from " mechanism is carried out in vehicle and railing type power supply stake 1, vehicle sends the information of deducting fees to electric charging controlling box 3 and deducts fees after charging is complete.And on-the-spot supervisor personnel can find the flow of this car and the historical data of deducting fees on the net according to the number-plate number.
Further, comprise that also for the inversion unit array 7 that direct current is become alternating current, the direct-flow input end of described inversion unit array 7 is connected with power switch 35, the ac output end of inversion unit array 7 is connected with electrical network.When transformer 5 loads in section, place were nervous, under the unified control of power load management system 6, vehicle can by inversion unit array 7 toward electrical network inversion discharge, be alleviated the shortage of electric power of section, place transformer 5.
Preferably, the ac output end of described inversion unit array 7 is connected with electrical network by the wave filter 8 that is incorporated into the power networks.The electric current of input electrical network is more steady during this design, and its practicality is better.
Further, described power switch 35 comprises communication interface switch 351, charge switch 352, discharge switch 353 and is used for driving the switch control driving circuit 354 of drawing together communication interface switch 351, charge switch 352, discharge switch 353 folding conditions, the folding control end electrical connection of described switch control driving circuit 354 and communication interface switch 351, charge switch 352, discharge switch 353; Wherein an end of communication interface switch 351 is connected with charge control module 31, one end of charge switch 352 is connected with the power output end of section transformer 5, one end of discharge switch 353 is connected with inversion unit array 7, and the other end of communication interface switch 351, charge switch 352, discharge switch 353 all is connected with the supply lines of railing type power supply stake 1, and the control input end 355 of described switch control driving circuit 354 is connected with charge control module 31.
Described communication interface switch 351, charge switch 352 and discharge switch 353 are subject to the driving control of switch control rotating band incoming road, wherein the control input end 355 of switch control driving circuit 354 is respectively equipped with three road control inputs interfaces, control respectively communication interface switch 351, charge switch 352 and discharge switch 353, described charge switch 352 is responsible for connecting the supply line of section transformer 5 and railing type power supply stake 1, be controlled electrical connector receptacle 11 or the power supply pole plate 12 of railing type charging pile, for vehicle provides power supply, discharge switch 353 then is used for connecting railing type power supply stake 1 and inversion unit array 7, be used for making the direct current on the automobile be output to electrical network, and communication interface switch 351 is used for control charge control module 31 and railing type power supply 1 communicates by letter, wherein charge control module 31 and railing type power supply stake 1 communicating by letter and the power supply shared line, can reduce the laying of circuit, its control mode of Cost reduction is also comparatively stable.
With reference to Fig. 6-shown in Figure 9, concrete Charge Management control procedure of the present utility model is as follows: electric charging controlling box communicates with the vehicle that needs charging, be the tabulation of vehicle resume charging service, obtain the vehicle number M of application charging, communicate by letter with power load management system and to obtain the section transformer and distribute to the quota of electric charging controlling box and count N, if the vehicle number M of application charging counts N less than quota, then each vehicle enters charged state.
If the vehicle number M of application charging counts N greater than quota, then allow vehicle report the remaining electricity of battery, charging control is got rid of vehicle according to electricity more than the battery of vehicle, need the vehicle of artificial contact power supply then directly enter charged state if the communication module of vehicle breaks down, stop charging after Vehicular charging is full of and send out to the car owner reckoning up the bill.
If the battery allowance of vehicle to be charged is less than 30%, then this vehicle directly enters charged state, stops charging after Vehicular charging is full of and send out to the car owner reckoning up the bill.
At this moment the quota number of system spare is N ', electric charging controlling box is divided into three groups of wheel current charges that carry out every 1 hour with remaining vehicle, i.e. wherein first group of relatively regularly charging in a hour, second group continually at two state transformations of charging/wait, the 3rd group is in the state of always waiting for, more than three groups of vehicles every 1 hour by turns once, realize the wheel current charge.
Electric charging controlling box is according to the continuous variation of system's quota number, the load of section transformer can constantly change, allow simultaneously the quota of Vehicular charging also in continuous variation, when the charging quota changes, remaining quota is counted N ' and is changed, wherein to be set to reduce amplitude range be 5 to the remaining quota preset range of counting N ', the increasing degree scope is 10, if remaining quota is counted the minimizing amplitude of N ' above 5, then with the allocation of quota number of instant quota number as reality, if counting the increasing degree of N ', remaining quota surpasses 10, then with the allocation of quota number of instant quota number as reality.If remaining quota is counted N ' not in default scope, then start just value-based algorithm, confirm that namely the quota number of initial time 1 hour charging period is that actual allocated is counted K, the actual allocated number is no longer followed the tracks of the variation of the quota number in this period, keeps the relatively stable of actual allocated number.
If electric charging controlling box breaks down with communicating by letter of power load management system, then start the minimum value algorithm, soon the minimum value of the quota number of the 1 hour period of the same period in the historical data table is as the actual allocated number.
Electric charging controlling box determines that the actual allocated of vehicle counts K, if the vehicle that withdraws from charging is arranged temporarily, then charging vehicle is settled accounts and blotter temporarily.
If in charging process, have vehicle to send to withdraw from the charging application, then to the charge lump sum of the electricity charge of this vehicle, send out to the car owner by note and to reckon up the bill.
After this group Vehicular charging is reach 1 hour, to the historical data ((minimum value of the amplitude of variation of quota number, quota number, actual allocated number, quota number in 1 hour, etc.) carry out record, and be kept at the historical data table), then three groups of vehicles are rotated translative mode, the interim clearing and the blotter that carry out the electricity charge for the charging vehicle that withdraws from temporarily simultaneously.
The above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (8)
1. can avoid the sequential charging control system for electric vehicles of electric net overload, comprise that setting is used for the vehicle-mounted electricity getting device (2) of power taking onboard, a plurality ofly the railing type power supply stake (1) of supply voltage is provided and is used for controlling the electric charging controlling box (3) of a plurality of railing types power supply stakes (1) for electric automobile, electric charging controlling box (3) is connected with a plurality of railing type power supply stakes (1), described vehicle-mounted electricity getting device (2) comprises the vehicle-mounted charge control enclosure (21) for the control Vehicular charging, vehicle-mounted electricity getting device (2) is communicated by letter with electric charging controlling box (3) by the vehicle-carrying communication interface (22) in the vehicle-mounted charge control enclosure (21), described electric charging controlling box (3) is by internet and Charge Management center (4) the connection communication that is connected controlling charging process, wherein the power input interface of electric charging controlling box (3) is connected to local section transformer (5), described section transformer (5) is railing type power supply stake (1) power supply by electric charging controlling box (3), it is characterized in that: also comprise for detecting in real time section transformer (5) electric load, avoid the power load management system (6) of electric net overload, described power load management system (6) comprises the current transformer (61) of sampling for to section transformer (5) electric current and load, be used for section transformer (5) electric load situation is examined the electric load detection module (62) of Real-Time Monitoring, the power communication interface (64) that is used for the management of power load module (63) that electric charging controlling box (3) power load is managed and is used for communicating with electric charging controlling box (3), current transformer (61), electric load detection module (62), management of power load module (63) is connected 64 with the power communication interface) in succession connect successively.
2. the sequential charging control system for electric vehicles of avoiding electric net overload according to claim 1, it is characterized in that: described power load management system (6) also comprises power load sensor node (65), described power load sensor node (65) is connected with management of power load module (63), and the energy-accumulating power station of system region, residential block, manufacturing enterprise and quick charge station report the power load situation by power load sensor node (65) to management of power load module (63).
3. the sequential charging control system for electric vehicles of avoiding electric net overload according to claim 1, it is characterized in that: described electric charging controlling box (3) comprises charge control module (31), be used for the vehicle communication interface (32) that communicates with vehicle, for the communication of power system module (33) of communicating by letter with power load management system (6), be connected to the optical fiber access point (34) of internet and be used for railing type power supply stake (1) is carried out the power switch (35) of power supply control by optical fiber, described vehicle communication interface (32), communication of power system module (33), optical fiber access point (34) is connected 35 with power switch) be connected with charge control module (31) respectively, the power input of described power switch (35) is connected with section transformer (5), and the power supply output terminal of power switch (35) is connected to railing type power supply stake (1).
4. the sequential charging control system for electric vehicles of avoiding electric net overload according to claim 3 is characterized in that: the power communication interface (64) in the power load management system (6) is connected communication by GPRS network or fiber optic network with communication of power system module (33).
5. the sequential charging control system for electric vehicles of avoiding electric net overload according to claim 3, it is characterized in that: vehicle-mounted electricity getting device (2) comprises the vehicle-mounted electricity getting device (23) that carries out power taking for connecting railing type power supply stake (1), battery case (24), be used for battery case (24) is carried out the vehicle-mounted trickle charge charge motor (25) of charging battery and with the vehicle-mounted charge control enclosure (21) of controlling Vehicular charging, be provided with in the described vehicle-mounted charge control enclosure (21) for the vehicle-carrying communication interface (22) that is connected communication with electric charging controlling box (3) vehicle communication interface (32), described vehicle-mounted electricity getting device (23), vehicle-mounted trickle charge charging set is connected 24 with battery case) in succession connect successively, vehicle-mounted charge control enclosure (21) is connected with battery case (24) with vehicle-mounted trickle charge charging set respectively.
6. the sequential charging control system for electric vehicles of avoiding electric net overload according to claim 5, it is characterized in that: described railing type power supply stake (1) comprises controlled electrical connector receptacle (11) and power supply pole plate (12), and described controlled electrical connector receptacle (11) is connected with the Power supply output terminal of power switch (35) respectively with the pole plate of being connected (12); Described vehicle-mounted electricity getting device (23) comprises the plug-in electrode (231) that is complementary with controlled electrical connector receptacle (11) and the electricity getting device electrode (232) that is complementary with power supply pole plate (12), and described plug-in electrode (231) is connected 232 with the electricity getting device electrode) be connected with vehicle-mounted trickle charge charge motor (25) respectively.
7. the sequential charging control system for electric vehicles of avoiding electric net overload according to claim 3, it is characterized in that: also comprise for the inversion unit array (7) that direct current is become alternating current, the direct-flow input end of described inversion unit array (7) is connected with power switch (35), and the ac output end of inversion unit array (7) is connected with electrical network.
8. the sequential charging control system for electric vehicles of avoiding electric net overload according to claim 7, it is characterized in that: described power switch (35) comprises communication interface switch (351), charge switch (352), discharge switch (353) and be used for to drive and to draw together communication interface switch (351), charge switch (352), the switch control driving circuit (354) of discharge switch (353) folding condition, described switch control driving circuit (354) and communication interface switch (351), charge switch (352), the folding control end electrical connection of discharge switch (353); Wherein an end of communication interface switch (351) is connected with charge control module (31), one end of charge switch (352) is connected with the power output end of section transformer (5), one end of discharge switch (353) is connected with inversion unit array (7), and the other end of communication interface switch (351), charge switch (352), discharge switch (353) all is connected with the supply lines of railing type power supply stake (1), and the control input end (355) of described switch control driving circuit (354) is connected with charge control module (31).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203967874U CN202795574U (en) | 2012-08-06 | 2012-08-06 | Electric automobile orderly charge control system capable of avoiding overload of power network |
| CN201210284762.XA CN102831719B (en) | 2012-08-06 | 2012-08-06 | Orderly alternate electric vehicle charging control system capable of preventing overload of power grid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012203967874U CN202795574U (en) | 2012-08-06 | 2012-08-06 | Electric automobile orderly charge control system capable of avoiding overload of power network |
| CN201210284762.XA CN102831719B (en) | 2012-08-06 | 2012-08-06 | Orderly alternate electric vehicle charging control system capable of preventing overload of power grid |
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| CN202795574U true CN202795574U (en) | 2013-03-13 |
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| CN2012203967874U Expired - Fee Related CN202795574U (en) | 2012-08-06 | 2012-08-06 | Electric automobile orderly charge control system capable of avoiding overload of power network |
| CN201210284762.XA Expired - Fee Related CN102831719B (en) | 2012-08-06 | 2012-08-06 | Orderly alternate electric vehicle charging control system capable of preventing overload of power grid |
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| CN201210284762.XA Expired - Fee Related CN102831719B (en) | 2012-08-06 | 2012-08-06 | Orderly alternate electric vehicle charging control system capable of preventing overload of power grid |
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| CN104252743A (en) * | 2013-06-26 | 2014-12-31 | 比亚迪股份有限公司 | Charge charging method and device |
| CN108183489A (en) * | 2017-12-27 | 2018-06-19 | 中铁二院工程集团有限责任公司 | Tramcar engineering electric power system load balance control method |
| CN108270272A (en) * | 2018-02-23 | 2018-07-10 | 江苏绿城信息技术有限公司 | A kind of electric automobile charging station intelligent power regulation and control system |
| CN109066697A (en) * | 2018-08-09 | 2018-12-21 | 中铁第四勘察设计院集团有限公司 | A kind of energy storage type tramcar supply load adjusting method and system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102831719A (en) | 2012-12-19 |
| CN102831719B (en) | 2014-09-24 |
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