CN102638084B - The maximum power control system of charging electric vehicle - Google Patents
The maximum power control system of charging electric vehicle Download PDFInfo
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- CN102638084B CN102638084B CN201110121074.7A CN201110121074A CN102638084B CN 102638084 B CN102638084 B CN 102638084B CN 201110121074 A CN201110121074 A CN 201110121074A CN 102638084 B CN102638084 B CN 102638084B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0092—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption with use of redundant elements for safety purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/305—Communication interfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
Charging system for electric automobile of the present invention, comprising: the first circuit breaker, stops the electric power flowing into more than indoor limits value; Second circuit breaker, stops the electric power of above-mentioned inflow to apply more than limits value to electrical equipment; Test section, detects the maximum power that indoor electric appliance consumes between above-mentioned first circuit breaker and the second circuit breaker; Charging part, receives the above-mentioned maximum power value that detects and the power value reset needed for Vehicular charging by regulation communication mode.The present invention arranges test section at power lead, if and set test section transmits maximum power value by wireless (or wired) mode to the guide function controller in above-mentioned charging part, then reset PWM (DUTY) signal of leading line (control pilot wire), reset power consumption to make electric automobile.Real time monitoring of the present invention is used for the electric power of family, stably charges to vehicle for the dump power outside family, thus the power cut problem frequently occurred when solving Vehicular charging.
Description
Technical field
The present invention relates to the charging of electric automobile, the maximum power particularly relating to charging electric vehicle controls.
Background technology
Nowadays, automobile becomes the required daily necessities of common life.Automobile provides simple and efficient mobility for people, thus wide sending out popularize and occupies the critical role that we live.
But the increase of existing explosive motor automobile, because increasing the tail gas that automobile discharges, thus becomes the reason of serious environment pollution.In addition, in order to solve above-mentioned air and problem of environmental pollution, actively develop the research of the electric automobile (ElectricVehicle, EV) to the electric energy being used as clean fuel, and release the product of these technology of application.
Especially, along with the trend strengthening environment supervision and energy savings in worldwide, the demand of accumulator car without environment pollution (ElectricVehicle, EV) is increased gradually.At US and European, by formulating the universal EV of Clean Air Act obligation, and in Korea S, as the ring that low-carbon green increases, actively develop the research to green car (environmentally friendly vehicle).
In order to expand the universal of electric automobile (EV), the charging infrastructure for charging to the power supply of electric automobile must be built.Especially, because the battery capacity increasing electric automobile can cause the increase of tare, therefore, electric automobile is restricted by the distance that can travel of once charging completely.Therefore, for guaranteeing the traveling of the middle and long distance of electric automobile, must build the charging station that is connected with network of highways to charge to electric automobile whenever and wherever possible, and possessing family expenses charging device and infrastructure is also expand electric automobile (EV) universal necessary.
The charging device of electric automobile is divided into charging device and fast charge equipment at a slow speed, and fast charge equipment is installed on electric automobile special charging station.The charging station of fast charge equipment to be peak power output be more than 50kW, is directly charged to battery by supply direct current (DC) power supply, thus can complete charging within 30 minutes.
The peak power output of the charging device of charging device is below 7.7kW at a slow speed, exchanges (AC) power supply and charges to the OBC (OnBoardCharger) in vehicle, need the charging interval of about 6 ~ 8 hours by supply.
Nowadays, the power consumption of family has the trend increased gradually, and if the electric car charger at a slow speed (EVSE) of about 3 ~ 7.7kW be connected to average family power supply use, then the power consumption of family sharply will increase by more than 70%.In average family, if power consumption sharply increases by more than 70%, then because of fuse (FUSE), namely introduce the startup of circuit breaker and cause power failure.
Therefore, in the prior art, when electric automobile being charged in average family, frequently cause power failure.
Summary of the invention
The object of the present invention is to provide a kind of maximum power control system of charging electric vehicle, its real time monitoring is used for the electric power of family, stably to charge to vehicle with for the dump power outside family.
Supplementary features of the present invention and advantage are recorded in content below, and a part is wherein become clear by above-mentioned explanation or fully understood by enforcement of the present invention.Object of the present invention and other advantages, realized by the structure in the explanation that will record below and accompanying drawing and claim.
In order to achieve the above object, charging system for electric automobile of the present invention, comprising: the first circuit breaker, stops the electric power flowing into more than indoor limits value; Second circuit breaker, stops the electric power of above-mentioned inflow to apply more than limits value to electrical equipment; Test section, detects the maximum power that indoor electric appliance consumes between above-mentioned first circuit breaker and the second circuit breaker; Charging part, receives the above-mentioned maximum power value detected to reset the power value needed for Vehicular charging by regulation communication mode.
In order to achieve the above object, charging electric vehicle method of the present invention, comprises following process: the electric power that periodic measurement indoor electric appliance consumes; Above-mentioned measured power value is stored in memory and above-mentioned measured power value is compared with the maximum power value of preserving in advance; If above-mentioned measured power value is greater than the maximum power value of preserving in advance, then above-mentioned measured power value is set by new maximum power value and is wirelessly sent to charging part side; In charging part side, after the above-mentioned maximum power value of reception, reset received power capacity according to received maximum power value; By controlling pilot wire, the above-mentioned received power capacity information reset is sent to electric automobile; In electric automobile side, carry out limited charging according to above-mentioned received received power capacity information.
The present invention arranges test section 300 at power lead, if and set test section 300 transmits maximum power value by wireless (or wired) mode to the guide function controller 140 in above-mentioned charging part 100, then reset PWM (DUTY) signal of leading line (control pilot wire), reset power consumption to make electric automobile.
Real time monitoring of the present invention is used for the electric power of family, stably to charge to vehicle with for the dump power outside family, thus the power cut problem frequently occurred when solving Vehicular charging.
Accompanying drawing explanation
Fig. 1 is maximum power Control system architecture figure of the present invention;
Fig. 2 a is test section block diagram of the present invention;
Fig. 2 b is charging part block diagram of the present invention;
Fig. 3 is the integrated structure schematic diagram at a slow speed in charging system between electric automobile and charging part;
Fig. 4 is maximum power control system operational flow diagram of the present invention.
* Reference numeral *
10: introduce circuit breaker 20: the first branch breaker
30: the second branch breakers 100: charging part
110: the first Department of Communication Forces 120: protection portion
130: measurement section 140: guide function controller
150: control part 160: input part
170: efferent 180: supply of electric power portion
200: electric automobile 300: test section
310: electric power meter 320: storage unit
330: second communication portion
Embodiment
Below, by reference to the accompanying drawings present pre-ferred embodiments is described.
Fig. 1 is maximum power Control system architecture figure of the present invention.
As shown in Figure 1, the maximum power control system of charging electric vehicle of the present invention, roughly comprises and introduces circuit breaker (the first circuit breaker) 10, first branch breaker (the second circuit breaker) 20, second branch breaker (the 3rd circuit breaker) 30, test section 300, charging part 100 and electric automobile 200.
Above-mentioned first circuit breaker 10 is introducing circuit breaker, for stoping the electric power flowing into more than indoor limits value.
Above-mentioned second circuit breaker 20 stops the electric power of above-mentioned inflow to apply the branch breaker of more than limits value to electrical equipment (such as, air-conditioning, electric light, electric heater etc.).
Above-mentioned 3rd circuit breaker 30 stops the electric power of above-mentioned inflow to apply the branch breaker of more than limits value to above-mentioned charging part 100.
Above-mentioned test section 300 is between above-mentioned first circuit breaker 10 and the second circuit breaker 20 and detect the maximum power that the indoor electric appliances such as air-conditioning, electric light, electric heater consume.
Above-mentioned charging part 100 receives the above-mentioned maximum power value detected to reset the power value needed for Vehicular charging by wired or wire communication mode.In addition, by the PulseWidthModulation (DUTY) of (PILOT) signal that leads, the above-mentioned power value reset is sent to electric automobile 200, and above-mentioned electric automobile 200 is to carry out limited charging according to the electric power of said PWM (DUTY) ratio.
Fig. 2 a is test section block diagram of the present invention.
As shown in Figure 2 a, test section 300 of the present invention comprises the assemblies such as electric power meter 310, storage unit 320, Department of Communication Force (second communication portion) 300.But the assembly portion shown in Fig. 2 a is all required assembly.Above-mentioned test section 300 can be formed by than the more assembly of assembly as shown in the figure, or is made up of the assembly more less than it.
The electric power that above-mentioned electric power meter 310 periodic measurement indoor electric appliance consumes.Above-mentioned storage unit 320 preserves the power value of the above-mentioned electric power meter 310 regularly recorded.
In addition, above-mentioned Department of Communication Force 330 detects the maximum be stored in the power value of storage unit 320, i.e. maximum power value be sent to above-mentioned charging part 100.Wireless or the wire communication of transporting through between above-mentioned test section 300 and charging part 100 realizes.When communicating with communication, above-mentioned Department of Communication Force 300 can transmit according to Zigbee (IEEE802.15.4) communication protocol.In addition, when communicating with communication, above-mentioned Department of Communication Force 300 can transmit according to RS232 or RS485MODBUS communication protocol.
Fig. 2 b is charging part block diagram of the present invention, the assembly of indication device aspect.
As shown in Figure 2 b; charging part 100 of the present invention comprises the assemblies such as Department of Communication Force (the first Department of Communication Force) 110, protection portion 120, measurement section 130, guide function controller 140, control part 150, input part 160, efferent 170, supply of electric power portion 180, switched power supply (Switching-ModePowerSupply calls in the following text " SMPS ") (not shown).
But the assembly portion shown in Fig. 2 b is all required assembly.Above-mentioned charging part 100 can be formed by than the more assembly of assembly as shown in the figure, or is made up of the assembly more less than it.
Below, the assembly of charging part 100 of the present invention is described successively.
Above-mentioned Department of Communication Force 110 comprises the more than one assembly realizing the radio communication between charging part 100 and wireless communication system or the radio communication between charging part 100 and charging part 100 belonging network.Such as, Department of Communication Force 110 can comprise at least one in mobile communication module (not shown), CAN (not shown), proximity communication module (not shown).
At least one transmitting/receiving wireless signal of above-mentioned mobile communication module in mobile communication in online and base station, exterior terminal, server.At this, above-mentioned wireless signal can comprise the various forms of data in receiving and transmitting voice signal, video calling call signal or word/Multimedia Message process.Above-mentioned mobile communication module support is the radio communication (such as, WCDMA, 3G net) with the contact of higher level's operating system (such as, charging station central center etc.) or adjacent charging device.Said process has also come by above-mentioned proximity communication module.
Above-mentioned CAN for realizing the communication with electric automobile, and from electric automobile receiving status information (such as, chargeable charger type information).CAN communication is writing a Chinese character in simplified form of " ControllerAreaNetwork ", is the communication means by the multiple ECU of parallel join (ElectronicControlUnit) transceiving data.
In CAN communication, order wire has two buses, is the mode (adopting ISO11898 communication mode) of placing data and downloading use as required in order wire.CAN protocol carries out MultiMaster communication, and antijamming capability is very strong.And, communication speed fast (can reach 1Mbps), and remote (such as, the highest communication carrying out 1000 meters with 40kbps) communication can be carried out.
Above-mentioned proximity communication module is used for communicating with closely node, realize by communication protocols such as bluetooth (Bluetooth), RFID (RadioFrequencyIdentification), infrared communication (infraredDataAssociation, IrDA), UWB (UltraWideband), Zigbee (IEEE802.15.4).
Proximity communication module of the present invention carries out radio communication according to Zigbee (IEEE802.15.4) communication protocol and above-mentioned test section 300.
With the ZigBee of communication protocol IEEE802.15.4 definition, can realize low price, low electric power, be for the target developing closely low-speed wireless communication technology out with family, building and factory automation.In IEEE802.15.4, define in the ZigBeeAlliance to PHY and MAC, even define into more than MAC layer (Layer) and application Profile.
Above-mentioned proximity communication module, according to Zigbee communication agreement, receives the maximum power value transmitted from above-mentioned test section 300.In addition, proximity communication module carries out radio communication, with completing user identification or disbursement and sattlement with the RFID card reader or smart card reader being equipped on charging part 100.
Above-mentioned guide function controller 140, after receiving maximum power value from above-mentioned test section 300, resets Vehicular charging required electric power value according to received maximum power value.The above-mentioned power value reset becomes the received power capacity of Vehicular charging.
In addition, as shown in Figure 1, the above-mentioned received power capacity reset is sent to electric automobile 200 by the PulseWidthModulation (DUTY) of guiding (PILOT) signal by guide function controller 140, and electric automobile 200 is to carry out limited charging according to the electric power of said PWM (DUTY) ratio.
Above-mentioned protection portion 120 is the devices of the alternating current electrification (such as, short circuit, electric leakage etc.) preventing from likely occurring in charging part 100.In addition, except with except electrification, physical property, mechanicalness accident is also detected.If occur electricity consumption (or physical property, mechanicalness) accident, then protection portion 120 by these situation reports to control part 150, and to input part 160 emergency stop push button apply power supply, glimmer to make above-mentioned emergency stop push button.
Above-mentioned measurement section 130 is supplied to the amount of power of electric automobile when measuring charging, and measuring voltage, electric current etc.
Above-mentioned SMPS is the DC stabilization power supply being widely used in the electronic communication instruments such as electronic computer, electron exchanger and OA instrument, for the operation power supply needed for charging part 100 self.
Above-mentioned input part 160 produces the input data controlling the operation of charging part 100 according to the operation of user.Above-mentioned input part 160 can be made up of the button (keypad) for inputting numeral or word etc., button, thin film switch (domeswitch) etc.If above-mentioned efferent 170 is touch-screen, then input part 160 can be contained in efferent 170.Above-mentioned input part 160 comprises emergency stop push button.If press (push) emergency stop push button, then charging part 100 is out of service, and the supply of electric power flowing into charging part 100 will be cut off.
Above-mentioned efferent 170 is the display unit such as LCD, exports the information (amount of power such as, measured by measurement section 130) handled by charging part 100 to picture.Such as, the UI (UserInterface) relevant to the voltage, electric current, amount of power etc. handled by charging part 100 or GUI (GraphicUserInterface) is shown.
According to the implementation of above-mentioned charging part 100, can there is two or more in efferent 170.Such as, in charging part 100, multiple output picture is separated by a face and establishes or be wholely set, or is respectively arranged at mutually different faces.
Above-mentioned supply of electric power portion 180 is connected with the supply of electric power line introducing indoor with the power supply supplied needed for Vehicular charging.
Above-mentioned control part 150 links with each assembly (such as, Department of Communication Force 110, protection portion 120, measurement section 130, guide function controller 140, input part 160, efferent 170, supply of electric power portion 180, SMPS) and controls the overall operation of charging part 100.
Fig. 4 is maximum power control system operational flow diagram of the present invention.
As shown in Figure 4, test section of the present invention 300 by above-mentioned electric power meter 310 regularly (such as, one second ~ mono-is divided into the cycle) measure the electric power that indoor electric appliance consumes.(S10)
Measured power value is stored in memory 320 by above-mentioned electric power meter 310.(S20) in addition, by above-mentioned measured power value
ncompare with the maximum power value of preserving in advance.(S30) if above-mentioned measured power value
nbe greater than the maximum power value of preserving in advance, then electric power meter 310 arranges above-mentioned measured power value by new maximum power value and is sent to charging part 100 side.(S60)
If above-mentioned measured power value
nbe less than the maximum power value of preserving in advance, then the more above-mentioned measured power value of electric power meter 310
nthe power value recorded in the past
n-1.(S40 and S50) is if above-mentioned measured power value
nthe power value recorded in the past
n-1identical, by above-mentioned measured power value
nbe set to new maximum power value and be sent to charging part 100 side.(S60)
Namely, even if above-mentioned measured power value is less than the maximum power value of preserving in advance, if specified period is interior (such as before, about 20 ~ 30 minutes) power value that consumes of the indoor electric appliance variable quantity of power value that is unchanged or that consume is less than fiducial value, then and electric power meter 310 of the present invention is by above-mentioned measured power value
nbe set to new maximum power value.
Charging part 100, after receiving maximum power value from test section 300 side, resets required electric power value according to received maximum power value.That is, the received power capacity of Vehicular charging is re-set as.(S70) above-mentioned received power capacity is the optimal charge capability value that can carry out constant charge, and the numerical expression calculating received power capacity is as follows:
[numerical expression]
The maximum consumption power value of Vehicular charging received power capacity=signing capacity-indoor electric appliance
Above-mentioned signing capacity refers to the amount of power being supplied to contractor family from electricity provider (such as, Korean Electric Power Company), the amount of power of supply about 3 ~ 5kW scope.If signing capacity is 3kW, then need the introducing circuit breaker (the first circuit breaker) 10 that 20A is set.
By from be supplied to indoor amount of power (signing capacity) deduct dump power (received power capacity) after the maximum power amount that electrical equipment in family consumes for Vehicular charging time, charging part 100 stably can complete Vehicular charging without under power down mode.
Above-mentioned received power capacity need be set within the reference range of regulation in charging part 100 standard specification (StandardSpecification), if and the received power capacity utilizing above-mentioned numerical expression to calculate exceeds reference range, then the maximum of reference range is set to received power capacity.In addition, if the received power capacity calculated is less than reference range, then the minimum value of reference range is set to received power capacity.
The guide function controller 140 of above-mentioned charging part 100 is after receiving maximum power value from above-mentioned test section 300 side, the received power capacity of Vehicular charging is re-set as according to received maximum power value, and as shown in Figure 3, utilize the PWM (DUTY) of guiding (PILOT) signal to be passed to electric automobile 200 by controlling pilot wire (control leading line) the received power capacity information reset.(S80) in addition, electric automobile 200 is to carry out limited charging according to the electric power of said PWM (DUTY) ratio.(S90) Fig. 3 is integrated structure schematic diagram between electric automobile 200 and charging part 100 in charging system at a slow speed.
According to the design alteration of system, above-mentioned S70 process can be carried out at above-mentioned test section 300.In addition, according to the design alteration of system, above-mentioned test section 300 detects electric power, and said process (S20 ~ S60) can carry out in charging part 100.
Charging system for motor-driven vehicle of the present invention, is not only applicable to charging device at a slow speed, is applicable to the fast charge equipment of more than 50kW yet.
In hotel, the performance public place such as field, government organs multiple fast charge equipment is set and these charging devices are enabled simultaneously time, startup circuit breaker causes power failure by the sharp increase of electricity usage amount.Charging system for electric automobile of the present invention, also can tackle likely in hotel, performance field, government organs occur the power outage caused by fast charge equipment.
As mentioned above, guide function controller 140 of the present invention on the medium of logging program, can be realized by computer-readable coding.And computer-readable medium comprises all types of tape decks preserving the data that computer system-readable is got.
Above computer computer-readable recording medium has ROM, RAM, CD-ROM, disk, floppy disk, light data storage apparatus etc., and, also comprise the medium realized with carrier wave (such as, by the transmission of the Internet) form.Above computer also can comprise guide function controller 140.
Above-described embodiment is only in order to illustrate the present invention and unrestricted, those of ordinary skill in the art is to be understood that, can modify to the present invention, be out of shape or equivalent replacement, and not depart from the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
As mentioned above, the present invention arranges test section 300 at power lead, if and set test section 300 transmits maximum power value by wireless (or wired) mode to the guide function controller 140 in above-mentioned charging part 100, then reset PWM (DUTY) signal of leading line (control pilot wire), reset power consumption to make electric automobile.
Real time monitoring of the present invention is used for the electric power of family, stably to charge to vehicle with for the dump power outside family, thus the power cut problem frequently occurred when solving Vehicular charging.
Claims (6)
1. a charging system for electric automobile, is characterized in that, comprising:
First circuit breaker, stops the electric power flowing into more than indoor limits value;
Second circuit breaker, stops the electric power of above-mentioned inflow to apply more than limits value to electrical equipment;
Test section, detects the maximum power that indoor electric appliance consumes between above-mentioned first circuit breaker and the second circuit breaker;
Charging part, receives the above-mentioned maximum power value detected to reset the power value needed for Vehicular charging by regulation communication mode;
Wherein above-mentioned charging part comprises:
Supply of electric power portion, is connected with the power supply supplied needed for Vehicular charging with the supply of electric power line introducing indoor;
Measurement section, measures the amount of power being supplied to electric automobile;
Protection portion, the short circuit preventing from likely occurring on charging device, electric leakage electrification;
Input part, completes the input of numeral or word according to user operation;
Efferent, picture shows the amount of power measured by above-mentioned measurement section;
First Department of Communication Force, receives the maximum power value transmitted from above-mentioned test section by ZigBee communication;
Guide function controller, resets Vehicular charging required electric power value according to above-mentioned transmitted maximum power value;
Control part, links with above-mentioned supply of electric power portion, measurement section, protection portion, input part, efferent, Department of Communication Force, guide function controller and controls the overall operation of charging device.
2. charging system for electric automobile according to claim 1, is characterized in that: also comprise and stop the electric power of above-mentioned inflow to apply the 3rd circuit breaker of more than limits value to vehicle charge device.
3. charging system for electric automobile according to claim 1, is characterized in that: above-mentioned charging part receives the maximum power value of above-mentioned test section by the wire communication mode of RS232 or RS485MODBUS.
4. charging system for electric automobile according to claim 1, is characterized in that:
Above-mentioned test section, comprising:
Electric power meter, the electric power that periodic measurement indoor electric appliance consumes;
Storage unit, preserves above-mentioned measured power value;
Second communication portion, detects the maximum in above-mentioned preserved power value and is sent to above-mentioned charging part.
5. a charging electric vehicle method, comprises following process:
The electric power that periodic measurement indoor electric appliance consumes;
Above-mentioned measured power value is stored in memory and above-mentioned measured power value is compared with the maximum power value of preserving in advance;
If above-mentioned measured power value is greater than the maximum power value of preserving in advance, then above-mentioned measured power value is set by new maximum power value and is wirelessly sent to charging part side;
In charging part side, after the above-mentioned maximum power value of reception, reset received power capacity according to received maximum power value;
By controlling pilot wire, the above-mentioned received power capacity information reset is sent to electric automobile;
In electric automobile side, carry out limited charging according to above-mentioned received received power capacity information.
6. charging electric vehicle method according to claim 5, is characterized in that, also comprises following process:
If above-mentioned measured power value is less than the maximum power value of preserving in advance, then more above-mentioned measured power value and the power value that recorded in the past;
If above-mentioned measured power value is identical with the maximum power value of preserving in advance, then power value measured by above-mentioned is set to new maximum power value and is wirelessly sent to charging part side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0011986 | 2011-02-10 | ||
| KR1020110011986A KR101121228B1 (en) | 2011-02-10 | 2011-02-10 | System for controlling maximum power of electric vihicle charging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102638084A CN102638084A (en) | 2012-08-15 |
| CN102638084B true CN102638084B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110121074.7A Expired - Fee Related CN102638084B (en) | 2011-02-10 | 2011-05-11 | The maximum power control system of charging electric vehicle |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101121228B1 (en) |
| CN (1) | CN102638084B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160072982A (en) | 2014-12-16 | 2016-06-24 | 현대자동차주식회사 | Method for selecting recharging mode and recharging system for carrying out the same |
| JP6390514B2 (en) * | 2015-05-22 | 2018-09-19 | 株式会社デンソー | Power control system |
| CN105711432A (en) * | 2016-01-19 | 2016-06-29 | 刘军 | Intelligent charging control system and control method thereof |
| CN106602678A (en) * | 2017-02-28 | 2017-04-26 | 北京新能源汽车股份有限公司 | Electric automobile charging method, charging device and vehicular charger |
| CN106956605A (en) * | 2017-03-14 | 2017-07-18 | 国网天津市电力公司 | A kind of Protection control system of electric vehicle rapid charging machine |
| EP3572271B1 (en) * | 2018-05-24 | 2023-07-05 | ABB E-mobility B.V. | Electrical vehicle charging system for charging an electrical vehicle |
| JP6814233B2 (en) * | 2019-01-17 | 2021-01-13 | 本田技研工業株式会社 | Cables, power transmission / reception management systems, management devices and programs |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201742128U (en) * | 2010-07-30 | 2011-02-09 | 重庆长安汽车股份有限公司 | Charging unit for electrombile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050048010A (en) * | 2003-11-18 | 2005-05-24 | 현대자동차주식회사 | Electric vehicle charging system for using of a home electric and method thereof |
| JP4501923B2 (en) * | 2006-10-20 | 2010-07-14 | 三菱電機株式会社 | Home energy management system |
-
2011
- 2011-02-10 KR KR1020110011986A patent/KR101121228B1/en not_active IP Right Cessation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201742128U (en) * | 2010-07-30 | 2011-02-09 | 重庆长安汽车股份有限公司 | Charging unit for electrombile |
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| Publication number | Publication date |
|---|---|
| CN102638084A (en) | 2012-08-15 |
| KR101121228B1 (en) | 2012-03-23 |
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