CN102714426A - Electricity feeding device and electricity feeding system using the same - Google Patents

Electricity feeding device and electricity feeding system using the same Download PDF

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Publication number
CN102714426A
CN102714426A CN2010800585937A CN201080058593A CN102714426A CN 102714426 A CN102714426 A CN 102714426A CN 2010800585937 A CN2010800585937 A CN 2010800585937A CN 201080058593 A CN201080058593 A CN 201080058593A CN 102714426 A CN102714426 A CN 102714426A
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CN
China
Prior art keywords
power
supply
electric
power supply
supply installation
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Granted
Application number
CN2010800585937A
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Chinese (zh)
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CN102714426B (en
Inventor
上野哲
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Publication of CN102714426A publication Critical patent/CN102714426A/en
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Publication of CN102714426B publication Critical patent/CN102714426B/en
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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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • B60L53/11—DC charging controlled by the charging station, e.g. mode 4
    • 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
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • 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
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/51—Photovoltaic means
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
    • H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
    • 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
    • H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Abstract

An electricity feeding device 1 comprises a feeding-connector 15 connected to an electrical automobile C having a battery 84, and receives a DC power supply from a DC power distribution board 2, and feeds a desired DC power to the electrical automobile C. The electricity feeding device 1 comprises a signal communication circuit 12 acquires feeding information relevant to a feeding voltage and a feeding current for charging the battery 84 from the electrical automobile C. The power source control circuit 11 is configured to set the feeding voltage and the feeding current fed to the electrical automobile C based on the feeding information acquired by the signal communication circuit 12. The DC/DC converter 13 feeds the feeding voltage and the feeding current set by the power source control circuit 11 to the electrical automobile C.

Description

Electric supply installation and the electric power system of using this electric supply installation
Technical field
The present invention relates generally to a kind of electric supply installation and the electric power system of using this electric supply installation.
Background technology
Past has proposed the battery charger (for example, referring to japanese kokai publication hei 8-33121) of motor vehicle.This battery charger is configured to use the AC electric power of commercial AC (interchange) power supply that is supplied to each dwelling house to use electric power as charging.The motor vehicle side disposes the AC/DC transducer that is used for the commercial AC power source conversion is become DC (direct current) power supply.When the connector of the charge cable that is disposed at the battery charger side was connected with the connector of motor vehicle side, the supplier used AC power supplies to motor vehicle.Thereby the commercial AC power supply of being supplied with converts the DC power supply to by the AC/DC transducer, and the battery to motor vehicle charges then.
Yet the described battery charger of above-mentioned document receives the supply of the commercial AC power supply that dwelling house uses, and the AC/DC transducer becomes the dc voltage of the used in battery of motor vehicle with the commercial AC power source conversion of being supplied with then, then this battery is charged.Transition loss when as a result, the AC/DC conversion takes place the motor vehicle side.In addition, although possibly there is difference in charging current according to the type of motor vehicle, battery charger can't be tackled this difference of charging current.
Summary of the invention
The purpose of this invention is to provide a kind of electric supply installation of the power conversions loss that can prevent equipment side and the electric power system of using this electric supply installation.
A kind of electric supply installation of the present invention comprises that the power supply that is connected with the equipment with battery uses connector, and said electric supply installation is used to receive the supply of direct current power and supplies with the direct current power of expectation to said equipment.In addition, said electric supply installation also comprises: the power supply information acquiring section is used for obtaining the power supply information relevant with supply current with the supply power voltage that is used for said battery is charged from said equipment; Control part is used for the power supply information obtained based on said power supply information acquiring section, and the supply power voltage and the supply current that are supplied to said equipment are set; And DC-DC converter, be used for supply power voltage that said control part is set and supply current and be supplied to said equipment.
In this structure, can realize using the electric supply installation of the DC power supply of the electric device that is supplied to premises as charge power supply.Then, equipment side need not to be provided with traditional AC/DC transducer.Therefore, compare with above-mentioned conventional example, this electric supply installation can prevent the power conversions loss of equipment side.In addition, because electric supply installation obtains the power supply information from equipment, so this electric supply installation can be supplied with and the corresponding DC electric power of institute's connection device.
In an embodiment, said equipment comprises charging circuit, and said charging circuit is used for to come said battery is charged with the corresponding charging current of charging enabling signal.The said control part of said electric supply installation exports said charging enabling signal to said equipment and controls with the charging current to said charging circuit.
In this structure, electric supply installation can utilize the charging enabling signal to control the charging current of institute's connection device, can prevent owing to overcurrent has a power failure thus.
A kind of electric power system of the present invention comprises: electric supply installation; DC power supply portion is used for supplying with direct current power to said electric supply installation; And transmitter, be used for the power supply capacity information of said DC power supply portion is sent to said electric supply installation.The power supply information that the said control part of said electric supply installation is obtained based on said power supply information acquiring section and from the power supply capacity information of the said DC power supply portion that said transmitter sends is provided with the supply power voltage and the supply current that are supplied to said equipment.Supply power voltage and supply current that said DC-DC converter is set with said control part are supplied to said equipment.
In this structure; The power supply capacity information of power supply information that control part sends based on the slave unit side and the DC power supply unit that sends from transmitter is provided with the electric power that is supplied to this equipment, thereby the electric power that is supplied to this equipment will never surpass the power supply capacity of DC power supply unit.In addition, electric power system can be supplied with and the required more approaching electric power of electric power of this equipment to this equipment.
In an embodiment, said electric power system also comprises AC power portion, and said AC power portion is used for supplying with alternating electromotive force to said electric supply installation.Said electric supply installation disposes AC/DC converter.Said AC/DC converter is used for the alternating electromotive force that said AC power portion is supplied with is converted to the direct current power of set supply power voltage of said control part and supply current, and this direct current power is supplied to said equipment.
In this structure, electric supply installation disposes the AC/DC transducer, can the AC electric power that AC power supplies portion is supplied be directly changed into DC electric power thus.Therefore, electric power system can reduce the conversion efficiency loss.In addition, electric supply installation comprises AC/DC transducer and DC/DC transducer, the electric power system that can facilitate thus.
In an embodiment, said electric power system also comprises AC power portion, and said AC power portion is used for supplying with alternating electromotive force to said electric supply installation.Said electric supply installation disposes switching part, and said switching part is used to switch to the output of said AC power portion or the output of said DC-DC converter.Said power supply information acquiring section is obtained the selection signal of the output of the output that is used to select said AC power portion or said DC-DC converter from said equipment.When receiving said selection signal from said power supply information acquiring section, said control part comes the switching of said switching part is controlled based on said selection signal, and via supply lines to said equipment supply capability.
In this structure,, can select the electric power of the equipment that is supplied to via supply lines from the DC electric power conduct that the AC electric power that AC power supplies portion is exported is perhaps exported from the DC/DC transducer owing to the switching of switching part.The electric power system that therefore, can facilitate.
A kind of electric power system of the present invention comprises: electric supply installation; DC power supply portion is used for supplying with direct current power to said electric supply installation; Control device is used for the power supply of said DC power supply portion is controlled.In addition, said electric power system also comprises: device of solar generating, and it is as power supply, and is used for supplying with direct current power to said DC power supply portion; Storage battery is used to put aside the superfluous electric power that said device of solar generating generating obtains; And AC/DC converter.Said control device confirms respectively the power supply ratio of said device of solar generating, said storage battery and said AC/DC converter based on the residual capacity of the said power supply information of sending from said electric supply installation, the generating situation of said device of solar generating, said storage battery and the power supply situation of said AC/DC converter.
In this structure, the residual capacity of the power supply information that control device sends based on slave unit, the generating situation of device of solar generating, storage battery and the power supply situation of AC/DC transducer come to confirm respectively the power supply ratio of device of solar generating, storage battery and AC/DC transducer.Thereby electric power system can be supplied to equipment with the DC electric power that can supply with this moment.
Description of drawings
Now with further explain the preferred embodiments of the present invention.To understand other features and advantages of the present invention better through following detailed description and accompanying drawing, wherein:
Figure 1A is the figure that illustrates according to the version of the electric power system of embodiments of the invention 1;
Figure 1B is the details drawing that illustrates according to the major part of the said electric power system of said embodiment 1;
Fig. 2 A is the figure that illustrates according to the version of the electric power system of embodiments of the invention 2;
Fig. 2 B is the details drawing that illustrates according to the major part of the said electric power system of said embodiment 2;
Fig. 3 A is the figure that illustrates according to the version of the electric power system of embodiments of the invention 3;
Fig. 3 B is the details drawing that illustrates according to the major part of the said electric power system of said embodiment 3;
Fig. 4 is the figure that illustrates according to the version of the electric power system of embodiments of the invention 4; And
Fig. 5 is the key diagram that is used to explain according to the charge condition of the said electric power system of said embodiment 4.
Embodiment
Below with reference to accompanying drawing each embodiment according to electric supply installation of the present invention and electric power system is described.Be used for the DC distribution system that the electric device (that is, utilizing DC electric power to carry out device driven) to premises distributes DC electric power according to electric supply installation of the present invention.This electric supply installation uses from this DC distribution system and carries out DC electric power that distribution obtains as charge power supply, supplies with the DC electric power of expecting to the motor vehicle such as fuel cell vehicle and plug-in hybrid vehicle etc. then.Then, electric power system according to the present invention comprises this electric supply installation and above-mentioned DC distribution system, and wherein this DC distribution system comprises DC distribution panelboard, AC distribution panelboard and the control device of the following stated.
Embodiment 1
Figure 1A is the figure that illustrates according to the version of the electric power system of embodiment 1.This electric power system comprises: the electric supply installation 1 that disposes with the mode adjacent with dwelling house H; DC distribution panelboard (DC power supply unit) 2, it is disposed in the dwelling house H and is used for supplying with DC electric power to electric supply installation 1; Control device 3 is used for the power supply of DC distribution panelboard 2 is controlled; And control panel 4.
Shown in Figure 1A, electric supply installation 1 comprises that signal communication circuit 12, power control circuit 11, DC/DC transducer 13, interface circuit 14 and power supply are with connector 15.Signal communication circuit 12 is configured to carry out signal communication with motor vehicle (equipment) C.Included information setting is supplied to the electric power of motor vehicle C in the signal that power control circuit 11 is configured to obtain based on signal communication circuit 12.DC/DC transducer 13 is supplied to motor vehicle C with power control circuit 11 set electric power.Interface circuit 14 is arranged between control device 3 and the signal communication circuit 12, and transfer is carried out in the two information communication to this.Power supply is installed in from the cable that electric supply installation 1 is drawn with connector 15, and is connected with the vehicle side connector 85 of motor vehicle C.In the present embodiment, the value of the dc voltage of being exported from DC/DC transducer 13 of the following stated is set to DC 300 [V].
Shown in Figure 1A, DC distribution panelboard 2 comprises DC/DC transducer 21, DC/DC transducer 22, AC/DC transducer 23, coordinates control part 24 and a plurality of DC circuit breaker 25 (Figure 1A shows six DC circuit breakers 25).The DC power conversions that DC/DC transducer 21 is supplied with storage battery 7 becomes predetermined DC electric power (for example, DC 350 [V]).The DC power conversions that DC/DC transducer 22 is supplied with device of solar generating 6 becomes predetermined DC electric power (for example, DC 350 [V]).The AC power conversions that AC/DC transducer 23 is supplied with commercial AC power supply 100 becomes predetermined DC electric power (for example, DC350 [V]).Coordinate each output of 24 pairs of transducers 21 ~ 23 of control part and coordinate and be supplied to each load.The DC electric power that to be supplied with from each transducer 21 ~ 23 is supplied to electric supply installation 1 via one of them that coordinate control part 24 and DC circuit breaker 25.
Control device 3 is configured to the DC amount of power of being exported from D C distribution panelboard 2 is controlled, and confirms the above-mentioned DC/ DC transducer 21,22 and the power supply ratio of AC/DC transducer 23 respectively.Control device 3 has the function that is used for the power supply capacity information of DC distribution panelboard 2 is sent to electric supply installation 1.Then, 1 pair of DC/DC transducer 13 of electric supply installation is controlled so that DC electric power is no more than the power supply capacity of DC distribution panelboard 2, and this DC electric power is supplied to motor vehicle C.In the present embodiment, control device 3 is corresponding to transmitter.
Control panel 4 for example comprises touch panel.Can on picture, confirm the power supply situation of DC distribution panelboard 2.In addition, can be through touch panel being operated confirm various patterns.
Shown in Figure 1A and 1B, as the power supply object motor vehicle C comprise: vehicle side connector 85, it is connected with connector 15 with the power supply of electric supply installation 1; Signal communication circuit 82; Battery 84; Charging circuit 83 is used for battery 84 is charged; And charging control circuit 81.Signal communication circuit 82 is configured to signal communication circuit 12 with electric supply installation 1 and carries out communicating by letter of information (for example, like the following stated, the power supply information relevant with supply current with the supply power voltage that is used for battery 84 is charged).The DC electric power that battery 84 savings electric supply installations 1 are supplied with (being DC300 [V] in the present embodiment).Charging control circuit 81 comes charging circuit 83 is controlled based on the above-mentioned information of being imported from signal communication circuit 82.
In the electric power system of present embodiment, send the power supply information relevant with supply current from motor vehicle C side with the supply power voltage that is used for battery 84 is charged, then in electric supply installation 1 side, signal communication circuit 12 obtains this power supply information.In addition; In electric supply installation 1; The power supply information that signal communication circuit 12 is obtained inputs to power control circuit 11; Power control circuit 11 should power supply information compares with the power supply capacity information of the DC distribution panelboard 2 that sends from control device 3 then, and supply power voltage and the supply current that is supplied to motor vehicle C is set.Power control circuit 11 comes DC/DC transducer 13 is controlled based on set supply power voltage and set supply current, is supplied to motor vehicle C with the DC electric power with expectation.For example, be under the situation of 3000 [VA] requiring the power supply capacity of DC 300 [V] and 20 [A] and DC distribution panelboard 2 from motor vehicle C side direction electric supply installation 1, electric supply installation 1 is supplied with DC300 [V] and 10 [A] to motor vehicle C.In the present embodiment, signal communication circuit 12 is corresponding to the power supply information acquiring section, and power control circuit 11 is corresponding to control part.
In addition, the electric power system of present embodiment meets SAE (Vehicle Engineering Shi Xiehui) (registered trade mark) standard, and the power control circuit 11 of electric supply installation 1 is to the charging control circuit 81 output SAE signals (charging enabling signal) of motor vehicle C.This SAE signal is the signal that is used to limit the charging current when battery 84 charged.Then, the charging circuit 83 of motor vehicle C is with the serve as reasons determined current value of duty ratio of this SAE signal of this charge-current limit.
Then, the below operation of explanation electric power system.When the power supply of electric supply installation 1 is connected with the vehicle side connector 85 of motor vehicle C with connector 15; The information of will supplying power is sent to electric supply installation 1 from motor vehicle C, and the power supply capacity information of D C distribution panelboard 2 is sent to electric supply installation 1 from control device 3.Electric supply installation 1 receives the power supply capacity information of power supply information and DC distribution panelboard 2, and should power supply information in power control circuit 11 and this power supply capacity information compare.Then, the DC electric power of supply (supply power voltage and supply current) is confirmed with the mode in the power supply capacity scope that remains on DC distribution panelboard 2.Then, 11 pairs of DC/DC transducers 13 of power control circuit are controlled, and are supplied to motor vehicle C with the DC electric power with determined supply power voltage and supply current.Then, power control circuit 11 also is sent to motor vehicle C with above-mentioned SAE signal.
On the other hand; In motor vehicle C; Supply with above-mentioned DC electric power and sent above-mentioned SAE signal; Thereby 81 pairs of charging circuits 83 of charging control circuit are controlled with following charging current battery 84 are charged then, and wherein this charging current is less than or equal to by the determined current value of the duty ratio of this SAE signal.Then, when charging was accomplished, this system for example notified the user through showing that on the picture of control panel 4 charging is accomplished.Then, learn that through this picture charging accomplishes and will supply power with connector 15 when vehicle side connector 85 removes a series of powered operation completion as the user.
As stated, in the present embodiment, can realize using and carry out DC power supply that distribution obtains electric supply installation 1 in the dwelling house H as charge power supply.Then, motor vehicle C side need not to be provided with traditional AC/DC transducer.Therefore, compare with above-mentioned conventional example, electric supply installation 1 can prevent the power conversions loss of motor vehicle C side.In addition, because the power supply information of equipment (being motor vehicle C in the present embodiment) is sent to electric supply installation 1, so electric supply installation 1 can also be supplied with and the corresponding DC electric power of institute's connection device.
In addition, in the present embodiment, owing to the SAE signal (charging enabling signal) that sends from electric supply installation 1, electric supply installation 1 can be provided with and the corresponding charging current of institute's connection device (being motor vehicle C in the present embodiment).At equipment side, charging current is restricted to set current value.Therefore, electric supply installation 1 can prevent owing to overcurrent has a power failure.
In addition, the power supply capacity information of the DC distribution panelboard 2 that sends based on the power supply information of sending from motor vehicle C side and from control device 3 of electric power system is provided with the supply capability that is supplied to motor vehicle C.Therefore, DC electric power will never surpass the power supply capacity of DC distribution panelboard 2.In addition, electric power system can be supplied with the electric power more approaching D C electric power required with motor vehicle C.
Embodiment 2
Below with reference to Fig. 2 A and 2B electric supply installation and electric power system according to embodiment 2 are described.Present embodiment 2 is that with the difference of embodiment 1 electric supply installation 1 disposes AC/DC transducer 16, and wherein the AC/DC transducer 16 AC power conversions that is used for AC distribution panelboard 5 is supplied with becomes predetermined DC electric power.Other characteristic is identical with embodiment 1 with function.Thereby, identical composed component is distributed identical Reference numeral, and omitted explanation to these composed components.
The electric power system of present embodiment comprises electric supply installation 1, DC distribution panelboard 2, control device 3, control panel 4 and AC distribution panelboard (AC power supplies portion) 5, and wherein AC distribution panelboard 5 is positioned at dwelling house H and is used for supplying with AC electric power to electric supply installation 1.
Shown in Fig. 2 A, electric supply installation 1 comprises that power control circuit 11, signal communication circuit 12, DC/DC transducer 13, interface circuit 14, power supply are with connector 15, AC/DC transducer 16 and switch (switching part) 17.The AC power conversions that AC/DC transducer 16 is supplied with AC distribution panelboard 5 becomes the set DC electric power of power control circuit 11, and this DC electric power is supplied to motor vehicle C.Switch 17 will switch to the output of DC/DC transducer 13 or the output of AC/DC transducer 16 via the electric power that supply lines L1 is supplied to motor vehicle C.For example, power control circuit 11 makes switch 17 switch to DC/DC transducer 13 or AC/DC transducer 16 according to the user via control panel 4 indicated contents.
Shown in Fig. 2 A, AC distribution panelboard 5 comprises main circuit breaker 51 and a plurality of branch circuit breaker 52 (Fig. 2 A illustrates 10 branch circuit breakers).Come to supply with AC electric power via main circuit breaker 51 and branch circuit breaker 52 to the AC/DC of electric supply installation 1 transducer 16.In addition, in the present embodiment, the power supply capacity information of DC distribution panelboard 2 and AC distribution panelboard 5 is sent to electric supply installation 1 from control device 3.
Here, in the foregoing description 1, in DC distribution panelboard 2, dispose AC/DC transducer 23, and the DC electric power that AC/DC transducer 23 is converted to is supplied to electric supply installation 1.Then, further changed by the DC/DC transducer 13 of electric supply installation 1 via the DC electric power that AC/DC transducer 23 is supplied with, conversion efficiency descends thus.Therefore, in the present embodiment, in order to prevent the conversion efficiency loss, electric supply installation 1 disposes AC/DC transducer 16, and electric power system is configured so that in electric supply installation 1, can AC electric power be directly changed into DC electric power.
Then, the below operation of explanation electric power system.At first, the user indicates to select DC/DC transducer 13 or AC/DC transducer 16 via control panel 4.Then, power control circuit 11 is according to this instruction content, makes switch 17 switch to one of them of transducer 13,16.Then, when the power supply of electric supply installation 1 was connected with the vehicle side connector 85 of motor vehicle C with connector 15, the information of will supplying power was sent to electric supply installation 1 from motor vehicle C.In addition, the power supply capacity information with DC distribution panelboard 2 (or AC distribution panelboard 5) is sent to electric supply installation 1 from control device 3.When electric supply installation 1 receives the power supply capacity information of power supply information and DC distribution panelboard 2 (or AC distribution panelboard 5), should power supply information in the power control circuit 11 of electric supply installation 1 and this power supply capacity information compare.Then, the DC electric power of supply (supply power voltage and supply current) is confirmed with the mode in the power supply capacity scope that remains on DC distribution panelboard 2 (or AC distribution panelboard 5).Then, 11 pairs of DC/DC transducers 13 of power control circuit (or AC/DC transducer 16) are controlled, and are supplied to motor vehicle C with the DC electric power with determined supply power voltage and supply current.Then, power control circuit 11 also is sent to motor vehicle C with above-mentioned SAE signal.
On the other hand; In motor vehicle C; Supply with DC electric power and sent the SAE signal; And thereby 81 pairs of charging circuits 83 of charging control circuit control with following charging current battery 84 are charged, and wherein this charging current is less than or equal to by the determined current value of the duty ratio of this SAE signal.When charging was accomplished, this system for example notified the user through showing that on the picture of control panel 4 charging is accomplished.Then, learn that through this picture charging accomplishes and will supply power with connector 15 when vehicle side connector 85 removes a series of powered operation completion as the user.
As stated, in the present embodiment, electric supply installation 1 disposes AC/DC transducer 16, and can the AC electric power that AC distribution panelboard 5 is supplied be directly changed into DC electric power.Therefore, this system can prevent the conversion efficiency loss.In addition, because this system comprises AC/DC transducer 16 and DC/DC transducer 13, the electric power system that therefore can facilitate.
Embodiment 3
Below with reference to Fig. 3 A and 3B electric supply installation and electric power system according to embodiment 3 are described.In the above embodiments 1 and embodiment 2, the electric supply installation and the electric power system that only DC electric power are supplied to motor vehicle C as supply capability have been described.As a comparison, the electric supply installation and the electric power system of present embodiment is configured, thereby switches to DC electric power or AC electric power according to the motor vehicle C1 ~ C3 that is connected.Other characteristic is identical with embodiment 2 with function.Thereby, identical composed component is distributed identical Reference numeral, and omitted explanation to these composed components.
The electric power system of present embodiment comprises electric supply installation 1, DC distribution panelboard 2, control device 3, control panel 4 and AC distribution panelboard 5.
Electric supply installation 1 comprises that power control circuit 11, signal communication circuit 12, DC/DC transducer 13, interface circuit 14, power supply are with connector 15 and switch (switching part) 17.Here, switch 17 will switch to the output of DC/DC transducer 13 or the output of AC distribution panelboard 5 via the electric power that supply lines L1 is supplied to motor vehicle C 1 ~ C3.Here, power control circuit 11 switches switch 17 according to the supply power voltage (AC voltage or dc voltage) that sends from motor vehicle C 1 ~ C3.For example, from the power supply information of sending, comprised having the selection signal that supply power voltage is the information of DC with the compatible mutually motor vehicle C 1 of DC charging and with the compatible mutually motor vehicle C 3 of AC/DC charging.Therefore, switch 17 is switched to DC/DC transducer 13 sides.From with power supply information that the compatible mutually motor vehicle C2 of AC charging sends, comprised having the selection signal that supply power voltage is the information of AC.Therefore, switch 17 is switched to AC distribution panelboard 5 sides.
Then, the below operation of explanation electric power system.In following explanation, the motor vehicle C1 of compatibility is that example is explained this system to charge mutually with DC.When the power supply of electric supply installation 1 is connected with the vehicle side connector 85 of motor vehicle C1 with connector 15; The information of will supplying power (supply power voltage and supply current) is sent to electric supply installation 1 from motor vehicle C1, and the power supply capacity information of DC distribution panelboard 2 is sent to electric supply installation 1 from control device 3.When electric supply installation 1 receives the power supply capacity information of power supply information and DC distribution panelboard 2, should power supply information in the power control circuit 11 of electric supply installation 1 and this power supply capacity information compare.Then, the DC electric power of supply (supply power voltage and supply current) is confirmed with the mode in the power supply capacity scope that remains on DC distribution panelboard 2.Then, power control circuit 11 makes switch 17 switch to DC/DC transducer 13 sides, and DC/DC transducer 13 controlled with the DC electric power with determined supply power voltage and supply current is supplied to motor vehicle C1.Then, power control circuit 11 also is sent to motor vehicle C1 with above-mentioned SAE signal.
On the other hand; In motor vehicle C1; Supply with DC electric power and sent the SAE signal; And thereby 81 pairs of charging circuits 83 of charging control circuit control with following charging current battery 84 are charged, and wherein this charging current is less than or equal to by the determined current value of the duty ratio of this SAE signal.When charging was accomplished, this system for example notified the user through showing that on the picture of control panel 4 charging is accomplished.Then, learn that through this picture charging accomplishes and will supply power with connector 15 when vehicle side connector 85 removes a series of powered operation completion as the user.
If motor vehicle is the motor vehicle C2 compatible mutually with the AC charging, then makes switch 17 switch to AC distribution panelboard 5 sides, and supply with AC electric power to motor vehicle C2.Then, this AC electric power converts predetermined DC electric power to by the AC/DC transducer (not shown) that is disposed in the motor vehicle C2, and charging circuit 83 charges to battery 84 with this DC electric power.
If motor vehicle is the motor vehicle C3 compatible mutually with AC/DC charging, then the electric power supplied with of electric supply installation 1 can be to export from AC distribution panelboard 5 or DC/DC transducer 13.Yet, consider the transition loss that is associated with conversion times, more preferably utilize DC/DC transducer 13 to supply with DC electric power.In this case, the operation of motor vehicle C3 is identical with the operation of motor vehicle C1.
As stated, in the present embodiment, because the switching of switch 17, can select AC electric power of being exported from AC distribution panelboard 5 or the DC electric power of being exported from DC/DC transducer 13, as the electric power that is supplied to motor vehicle C1 ~ C3 via supply lines L1.The electric power system that therefore, can facilitate.
Embodiment 4
Below with reference to Figure 4 and 5 electric supply installation and electric power system according to embodiment 4 are described.In the present embodiment; Control device 3 is configured to based on the generating situation of the residual capacity of the power supply information of the motor vehicle C that sends from electric supply installation 1 (supply power voltage and supply current), storage battery 7, device of solar generating 6 and the power supply situation of AC/DC transducer 23, comes to confirm respectively the power supply ratio of storage battery 7, device of solar generating 6 and AC/DC transducer 23.Then, will be supplied to electric supply installation 1 respectively with the corresponding DC electric power of determined power supply ratio.Other characteristic is identical with embodiment 1 ~ 3 with function.Thereby, identical composed component is distributed identical Reference numeral, and omitted explanation to these composed components.
The electric power system of present embodiment comprises electric supply installation 1, DC distribution panelboard 2, control device 3, control panel 4 and AC distribution panelboard 5.
The power supply information of motor vehicle C is sent to control device 3 from electric supply installation 1 via interface circuit 14.In addition, the residual capacity of storage battery 7, the generating situation of device of solar generating 6 and the power supply situation of AC/DC transducer 23 are inputed to control device 3.Control device 3 confirms respectively this three's power supply ratio based on the above-mentioned information of storage battery 7, device of solar generating 6 and AC/DC transducer 23.Then, will be supplied to electric supply installation 1 respectively from DC/ DC transducer 21,22 and AC/DC transducer 23 with the corresponding DC electric power of determined power supply ratio.
Fig. 5 illustrates the power supply example that is supplied to electric supply installation 1 from DC distribution panelboard 2.For example, under the situation that requires supply power voltage DC 300 [V] and supply current 20 [A] from motor vehicle C side direction electric supply installation 1, electric power system is described below.Then, the bar shaped of Fig. 5 (a) illustrates the electric power of being supplied with from AC/DC transducer 23 and is set to 0 situation.In this case, when the electric power of being supplied with from device of solar generating 6 is set to 2000 [VA] and when the electric power that storage battery 7 is supplied with is set to 1000 [VA], but add up to 3000 [VA] to the supply capability of motor vehicle C.Therefore, electric supply installation 1 can be supplied to motor vehicle C with the DC electric power of 300 [V] and 10 [A].
Then, the bar shaped of Fig. 5 (b) illustrates the electric power of being supplied with from AC/DC transducer 23 and device of solar generating 6 and is set to 0 situation respectively.In this case, when the electric power of being supplied with from storage battery 7 was set to 1000 [VA], electric supply installation 1 can be supplied to motor vehicle C with the DC electric power of 300 [V] and 3.3 [A].Then; Shown in the bar shaped (c) of Fig. 5; When the electric power of being supplied with from AC/DC transducer 23 and storage battery 7 is set to 1000 [VA] respectively and when the electric power that device of solar generating 6 is supplied with is set to 2000 [VA], but add up to 4000 [VA] to the supply capability of motor vehicle C.Therefore, electric supply installation 1 can be supplied to motor vehicle C with the DC electric power of 300 [V] and 13.3 [A].Then; Shown in the bar shaped (d) of Fig. 5; When the electric power of being supplied with from device of solar generating 6 and storage battery 7 is set to 0 and when the electric power that AC/DC transducer 23 is supplied with was set to 1000 [VA], electric supply installation 1 can be supplied to motor vehicle C with the DC electric power of 300 [V] and 3.3 [A] respectively.
The operation of electric power system is identical with the operation of the above embodiments 1 ~ 3, thereby has omitted the explanation to this operation.
As stated, the electric power system of present embodiment is come the power supply ratio of definite device of solar generating 6, storage battery 7 and AC/DC transducer 23 respectively based on the generating situation of the power supply information of sending from motor vehicle C, device of solar generating 6, the residual capacity of storage battery 7 and the power supply situation of AC/DC transducer 23.Therefore, this electric power system can be supplied to motor vehicle C with the supplied with DC electric power of this moment.
In the above embodiments 1 ~ 4, the equipment of having explained is the situation of motor vehicle C.Yet equipment is not limited to motor vehicle C, and equipment also can be miscellaneous equipment, as long as this equipment has battery.In addition, in embodiment 1 ~ 4, electric supply installation 1 communicates via holding wire L2 and motor vehicle C.Yet the communication form of electric power system is not limited to the communication form of embodiment 1 ~ 4.For example, replace using holding wire L2, can the signal that between electric supply installation 1 and motor vehicle C, communicates be superimposed upon the supply lines L1 that is used to supply with DC electric power.In addition, can use radio communication.
Although with reference to certain preferred embodiment the present invention has been described, those skilled in the art can not deviate from true spirit of the present invention and scope, be to carry out multiple modification and distortion under the situation of claims.

Claims (6)

1. electric supply installation comprises that the power supply that is connected with the equipment with battery uses connector, and said electric supply installation is used to receive the supply of direct current power and supplies with the direct current power of expectation to said equipment,
Said electric supply installation also comprises:
The power supply information acquiring section is used for obtaining the power supply information relevant with supply current with the supply power voltage that is used for said battery is charged from said equipment;
Control part is used for the power supply information obtained based on said power supply information acquiring section, and the supply power voltage and the supply current that are supplied to said equipment are set; And
DC-DC converter is used for supply power voltage that said control part is set and supply current and is supplied to said equipment.
2. electric supply installation according to claim 1 is characterized in that said equipment comprises charging circuit, and said charging circuit is used for coming said battery is charged with charging enabling signal corresponding charging current,
Wherein, the said control part of said electric supply installation exports said charging enabling signal to said equipment and controls with the charging current to said charging circuit.
3. electric power system comprises:
Electric supply installation according to claim 1 and 2;
DC power supply portion is used for supplying with direct current power to said electric supply installation; And
Transmitter is used for the power supply capacity information of said DC power supply portion is sent to said electric supply installation,
Wherein, The power supply information that the said control part of said electric supply installation is obtained based on said power supply information acquiring section and from the power supply capacity information of the said DC power supply portion that said transmitter sends; The supply power voltage and the supply current that are supplied to said equipment are set, and
Supply power voltage and supply current that said DC-DC converter is set with said control part are supplied to said equipment.
4. electric power system according to claim 3 is characterized in that, also comprises AC power portion, and said AC power portion is used for supplying with alternating electromotive force to said electric supply installation,
Wherein, Said electric supply installation disposes AC/DC converter; Said AC/DC converter is used for the alternating electromotive force that said AC power portion is supplied with is converted to the direct current power of set supply power voltage of said control part and supply current, and this direct current power is supplied to said equipment.
5. electric power system according to claim 3 is characterized in that, also comprises AC power portion, and said AC power portion is used for supplying with alternating electromotive force to said electric supply installation,
Wherein, said electric supply installation disposes switching part, and said switching part is used to switch to the output of said AC power portion or the output of said DC-DC converter,
Said power supply information acquiring section is obtained the selection signal of the output of the output that is used to select said AC power portion or said DC-DC converter from said equipment, and
When receiving said selection signal from said power supply information acquiring section, said control part comes the switching of said switching part is controlled based on said selection signal, and via supply lines to said equipment supply capability.
6. electric power system comprises:
Electric supply installation according to claim 1 and 2;
DC power supply portion is used for supplying with direct current power to said electric supply installation;
Control device is used for the power supply of said DC power supply portion is controlled;
Device of solar generating, it is as power supply, and is used for supplying with direct current power to said DC power supply portion;
Storage battery is used to put aside the superfluous electric power that said device of solar generating generating obtains; And
AC/DC converter,
Wherein, Said control device confirms respectively the power supply ratio of said device of solar generating, said storage battery and said AC/DC converter based on the residual capacity of the said power supply information of sending from said electric supply installation, the generating situation of said device of solar generating, said storage battery and the power supply situation of said AC/DC converter.
CN201080058593.7A 2009-12-21 2010-12-20 Electricity feeding device and electricity feeding system using the same Expired - Fee Related CN102714426B (en)

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CN102714426B (en) 2014-12-03
TW201136097A (en) 2011-10-16
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WO2011078388A1 (en) 2011-06-30
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