WO2022164153A1 - 충전위치 선택형 전기자동차 충전 방법 및 시스템 - Google Patents
충전위치 선택형 전기자동차 충전 방법 및 시스템 Download PDFInfo
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- WO2022164153A1 WO2022164153A1 PCT/KR2022/001219 KR2022001219W WO2022164153A1 WO 2022164153 A1 WO2022164153 A1 WO 2022164153A1 KR 2022001219 W KR2022001219 W KR 2022001219W WO 2022164153 A1 WO2022164153 A1 WO 2022164153A1
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- Prior art keywords
- charging
- power
- electric vehicle
- wire network
- operation unit
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Images
Classifications
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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
- B60L53/67—Controlling two or more charging stations
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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
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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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
- B60L53/10—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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
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- 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
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
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- 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
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/08—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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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
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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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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- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the present invention relates to a charging system for an electric vehicle capable of fixed charging or variable charging using direct current power, and more particularly, it converts alternating current power into direct current power and transfers it to a location requested by a charging person through a multi-connection switch and a wire network. It relates to a technology for charging an electric vehicle by providing the charging speed requested by the charging applicant.
- AC power when charging an electric vehicle, AC power is connected to a charger, and the charger converts AC power to AC power for slow charging and DC power for rapid charging.
- the present invention has been proposed to solve the problems of the prior art as described above.
- the present invention can be composed of a transformer and an AC/DC (AC/DC) converting system, a requested power operation unit, a relay connection wire network, and an electric wire network in a parking lot, and a transformer and an AC/DC converting system, and a requested power operation unit It is installed inside and outside a building to convert AC power into DC power and provide charging power to electric vehicles through a wire network including multiple access switches.
- AC/DC AC/DC
- the requested power operation unit selects and sends power close to the charging speed according to the charging speed requested by the charging applicant, or provides it in a variable or combination with the corresponding power, and a parking space in which an adapter is installed through a wire network including a multi-connection switch. It aims to provide charging power so that it can be charged anywhere.
- a plurality of devices including a transformer 1000, an allowable power management device 1100, an AC/DC converting system 2000, and a requested power operation unit 3000 are multiplied. This means that it can be installed in a separate space at the front end completely separate from the charging adapter 5015 in the parking area with the electric wire network including the connection switch interposed therebetween.
- the number of chargingable parking areas equipped with adapters is much larger, pursuing the concept that any D/D is not confined to a specific parking area and can be connected to an adapter in any parking area. to be.
- this aspect may be considerably limited depending on the circumstances, but in principle such a concept is pursued by the present invention.
- another key feature of the present invention is that it has a parking space with a much larger number of charging adapters 5015 compared to the number of simultaneous charging electric vehicles.
- almost all parking spaces are designed to have or have a charging adapter 5015 in the future.
- the number of simultaneous charging is 60 units, but the parking space with the charging adapter 5015 may be 500 units.
- the parking space can be arbitrarily parked regardless of whether it is an internal combustion engine vehicle or an electric vehicle, and even if the electric vehicle is fully charged, it may not be necessary to remove the vehicle from the parking space.
- An electric vehicle charging system includes a control unit for managing the overall systems; AC/DC converting system that primarily converts power received from a transformer into DC power; and a DC power delivery system that receives the DC power, determines the stabilization and charging speed of power, and supplies charging power to the electric vehicle.
- the control unit is characterized in that it includes a main control device that serves to send a notification or receive information to the terminal of the charging applicant by controlling the management and control of the overall systems, internal communication, and the customer service system.
- the control unit is characterized in that it includes an allowable wattage management device for continuously monitoring and controlling so that the electric power used for charging does not exceed the allowable electric power in the transformer.
- the control unit is characterized in that it includes an AC/DC converting system management that continuously monitors and controls the AC/DC converting system so as not to exceed the allowable power determined when converting the AC power supplied from the transformer into DC power.
- the control unit controls the current fixed DC/DC converter or the current variable DC/DC converter as a whole in order to provide the charging rate requested by the charging requester and includes a request power operation unit management that controls the variable or combination according to the charging rate. characterized.
- the control unit is characterized in that it includes a charging wire connection management for forming a charging path to a location where the electric vehicle is located at the charging speed provided by the power request operation unit.
- the control unit is characterized in that it includes a customer response system for managing member information of the charging applicant, external time zone/seasonal fee information, the diagnosis degree of the charging target vehicle, and communication with the charging applicant.
- the control unit includes charging and management of a vehicle to be charged that manages information such as the state of the battery of the vehicle to be charged, remaining battery amount, vehicle information, etc. received from the vehicle to be charged, and information such as whether a vehicle can be charged in the corresponding charging system characterized.
- the DC power delivery system is characterized in that it includes a power request operation unit for providing the charging speed of the charging applicant and a connection wire network for forming a charging path.
- the request power operation unit is a current fixed DC/DC converter or a current variable DC/DC converter for providing a charging speed, a disconnection switch for providing or blocking the requested power, a multi-connection switch for combining the requested power and a charging speed. It is characterized in that it selectively includes a request power supply wire for supply as needed.
- connection wire network may include a relay connection wire network that forms a path to supply the charging speed supplied from the power request operation unit to the wire network in the parking lot.
- connection wire network may be made of only a wire network in a parking lot including a plurality of multi-connection switches without a relay connection wire network.
- connection wire network is characterized in that it includes a multi-connection switch and wires for forming a path between the power request operation unit and the wire network in the parking lot.
- the electric wire network in the parking lot is characterized in that it includes a multi-connection switch for forming a path from the parking lot to the electric vehicle, the electric wire network, and an adapter for charging.
- An electric vehicle charging system includes an AC/DC converting system for converting AC power into DC power; a DC/DC converter connected to an output terminal of the AC/DC converting system, and a request power operation unit including a disconnection switch connected to an output terminal of each DC/DC converter; Adapters for charging installed in at least some of the parking spaces of the parking lot; a wire network capable of connecting the DC/DC converter and the charging adapters between the DC/DC converter and the charging adapters; and a multi-connection switch connected to three or more wires of the wire network in the wire network, and capable of selectively forming a connection path by connecting some wires of the three or more wires.
- the DC/DC converter, the electric wire network, and the charging adapter connected to the electric vehicle among the charging adapters are connected through the selectively formed connection path.
- the number of the charging adapters may be greater than the number of the DC/DC converters.
- the requested power operation unit may be separately provided for each AC/DC converting system.
- a plurality of requested power operation units may be included, and the plurality of requested power operation units may transmit power to each other.
- the wire network may include a plurality of separated wire networks.
- It may include a plurality of the requested power manipulator, and the charging area corresponding to each requested power manipulator may be separated.
- the charging area may include a plurality of requested power operation units, and a portion of the charging area corresponding to the plurality of requested power operation units may overlap.
- a plurality of edges capable of forming a contact point to which three or more wires are selectively connected are formed in the wire network, and the multi-connection switch may be disposed at a selected edge among the edges.
- the shape of the wire network may be a polygon, a polyhedron, or a form in which a complex thereof is connected.
- main control device is an allowable power management device, AC/DC conversion system management, current fixed or variable DC/DC converter management, and charging wire connection management functions including management of the electric wire network in the parking lot It may include more than one function.
- the allowable power management device may monitor an AC voltage and an AC current of a power input line of the AC/DC converting system, and monitor a DC voltage of a charging adapter connected to the electric vehicle.
- An electric vehicle charging system may include a main control device including a billing system, a member information management system, charging and information management functions.
- the charging adapters may be detachable from the socket of the electric wire network.
- the number of DC/DC converters may correspond to the maximum number of simultaneous charging electric vehicles.
- the charging adapters may be disposed between two multi-connection switches, respectively.
- a plurality of charging adapters may be disposed between the two multi-connection switches.
- a charging location selection type electric vehicle charging method comprises: connecting the electric vehicle to any one of the charging adapters among the charging adapters installed in the entire parking space; determining a DC/DC converter of charging power corresponding to the charging position selection type electric vehicle charging system; forming a charging line of the electric wire network up to the corresponding requested power supply line of the corresponding DC/DC converter and the corresponding charging adapter; connecting a corresponding disconnection switch of the corresponding DC/DC converter; charging the corresponding electric vehicle; terminating charging of the corresponding electric vehicle; and short-circuiting the corresponding disconnection switch of the corresponding DC/DC converter, connected to three or more wires of the wire network, and selectively forming a connection path by connecting some wires among the three or more wires
- a multi-connection switch that can do this is installed in the electric wire network, so that, by the operation of the multi-connection switch, the DC/DC converter, the electric wire network, and the charging adapter connected to the electric vehicle among the charging adapters are It may be connected through a
- One of the important features of the present invention is an adapter for charging a parking area including a transformer 1000, an allowable power management device 1100, an AC/DC converting system 2000, and a request power control unit 3000 in the present invention. (5015) is that it can be installed in a separate space at the front end completely separately.
- the number of chargingable parking areas is much larger than the number of chargers or D/Ds that are small, and the concept is pursuing the concept that any D/D can be connected to an adapter in any parking area without being exclusive to a specific parking space. to be.
- this aspect may be considerably limited depending on the circumstances, but in principle such a concept is pursued by the present invention.
- another key feature of the present invention is that it has a parking space with a much larger number of charging adapters 5015 compared to the number of electric vehicles capable of simultaneous charging.
- almost all parking spaces are designed to have or have a charging adapter 5015 in the future.
- the number of simultaneous charging is 60 units, but the parking space with the charging adapter 5015 may be 500 units.
- the parking space can be arbitrarily parked regardless of whether it is an internal combustion engine vehicle or an electric vehicle, and even if the electric vehicle is fully charged, it may not be necessary to remove the vehicle from the parking space.
- the present invention provides a transformer, an electric vehicle charging system, a control unit that manages the entire system, an AC/DC converting system that primarily converts unstable AC power received from the transformer into DC power, and a charging speed requested by the charging applicant It includes a DC power delivery system for
- the output current can be varied or the output or current fixed DC/DC converter is similar to the charging speed.
- the combination can also provide a charging rate to achieve the effect of providing a variety of charging rates.
- DC power is used according to the configuration of the DC/DC converter, but there is an advantage in that it is possible to provide various rates of rapid charging.
- charging is not only possible around the kiosk as in the prior art, but there is an advantage that it can be charged in any parking space where the electric wire network is formed in the parking lot without moving the previously parked internal combustion engine car.
- FIG. 1 is a diagram illustrating an overall system block diagram according to an embodiment of the present invention.
- FIG. 2 is an AC/DC converting system and a requested power operation unit independently configured according to an embodiment of the present invention, the AC/DC converting system and the requested power operation unit are located outside the parking lot, and the requested power operation unit and the electric wire network in the parking lot are relayed.
- It is a diagram showing a detailed system configuration diagram (a) showing a detailed configuration diagram of a system connected by a connection wire network.
- FIG. 3 is a diagram illustrating an overall system block diagram according to an embodiment of the present invention.
- FIG. 4A is a detailed system diagram showing a detailed configuration diagram of a system in which the AC/DC converting system and the requested power operation unit are independently configured according to an embodiment of the present invention, and the AC/DC converting system and the requested power operation unit are located outside the parking lot near the parking lot; It is a figure which shows (a).
- 4b is an AC/DC converting system and a requested power operation unit independently configured according to an embodiment of the present invention, and a plurality of requested power operation units are configured in one AC/DC converting system, and each requested power operation unit is capable of transmitting power to each other It is a diagram showing the detailed system configuration diagram (b) showing the detailed configuration diagram of the AC/DC converting system and the power request operation unit located outside the parking lot near the parking lot.
- 4c is an AC/DC converting system and a requested power operation unit independently configured according to an embodiment of the present invention, and several requested power operation units are separately configured in one AC/DC converting system, and the AC/DC converting system and the requested power It is a view showing the detailed system configuration diagram (c) showing the detailed configuration diagram of the system in which the operation unit is located outside the parking lot.
- 4d is another embodiment of the present invention, the AC/DC converting system and the requested power operation unit are independently configured according to the embodiment, and the AC/DC converting system, the requested power operation unit, and the relay connection wire network are outside the parking lot.
- d is a diagram showing the detailed system configuration diagram (d) showing the detailed configuration diagram of the system configured without a separate multi-connection switch for the electric wire network in the parking lot.
- 5A is a diagram illustrating a multiple access switch (a), which is an example of implementing a multiple access switch in which the number of switches is greater than the number of paths according to an embodiment of the present invention.
- 5B is a diagram illustrating a multiple access switch (b), which is an example of a multiple access switch structure in which the number of switches and the number of paths are the same according to another embodiment of the present invention.
- 5C is a diagram illustrating a multiple access switch (c) which is an example of a multiple access switch structure in which the number of switches and the number of paths are the same according to another embodiment of the present invention.
- 5D is a diagram illustrating a multiple access switch (d), which is an example of a multiple access switch structure configured to have the same number of switches and the same number of paths and to connect two lines according to another embodiment of the present invention.
- 6A is a view showing a charging adapter (a) in the case where one charging adapter is disposed on one parking surface according to an embodiment of the present invention.
- Figure 6b is a view showing a charging adapter (b) in the case where one charging adapter is disposed on several parking surfaces according to an embodiment of the present invention.
- 6c is a view showing a charging adapter (c) in the case where several charging adapters are connected between two multi-connection switches according to an embodiment of the present invention.
- 7A is one specific embodiment of the present invention. It is a diagram showing an example in which there are two requested power control units and eight chargers are independently configured in 32 parking spaces.
- FIG. 7B is a view showing an example of a configuration in which multiple access switches located on adjacent parking surfaces are bundled into one line and managed in units of multiple access switch lines in a parking space that can be parked according to the embodiment of FIG. 7A.
- FIG. 7c is a diagram illustrating an example of a configuration in which adapters or adapter storage boxes located on adjacent parking surfaces are bundled into one line and managed in units of adapters or adapter storage boxes in the parking space according to the embodiment of FIG. 7A.
- FIG. 8A is another specific embodiment. This embodiment is a view showing an example in which two request power operation units are independently configured in a parking space where electric vehicles and internal combustion engine differentials can be freely parked.
- FIG. 8B shows an example of a configuration in which multiple access switches located on adjacent parking surfaces are bundled into one line and managed in units of multiple access switch lines in a parking space where electric vehicles and internal combustion engine differentials can be freely parked according to the embodiment of FIG. 8A. It is a drawing.
- FIG. 8C is an example of a configuration in which adapters or adapter storage boxes located on adjacent parking surfaces are bundled into one line in a parking space where electric vehicles and internal combustion engine differentials can be freely parked according to the embodiment of FIG. 8A and managed in units of adapters or adapter storage lines is a diagram showing
- 9A is a diagram illustrating a flowchart (a) of an embodiment of a voltage drop compensation method according to an embodiment of the present invention.
- 9B is a flowchart (b) of another embodiment of a voltage drop compensation method according to another embodiment of the present invention.
- 9C is a view showing a flowchart (c) of another embodiment of the voltage drop compensation method according to another embodiment of the present invention.
- 9D is a diagram illustrating a flowchart (d) of another embodiment of a voltage drop compensation method according to another embodiment of the present invention.
- FIG. 10A is a diagram illustrating an AC/DC converting system (a) in which the AC/DC converting system is configured as one according to an embodiment of the present invention.
- 10B is a diagram illustrating an AC/DC converting system (b) in which a plurality of AC/DC converting systems are configured according to an embodiment of the present invention.
- 11A is a diagram illustrating a requested power operation unit (a), which is a case in which one requested power operation unit is configured in one AC/DC converting system according to an embodiment of the present invention.
- 11B is a diagram illustrating a requested power operation unit (b) in a case in which a plurality of requested power operation units are configured in one AC/DC converting system according to an embodiment of the present invention.
- 11C is a diagram illustrating a requested power operation unit c, which is a case in which each of the requested power operation units is configured in a plurality of AC/DC converting systems according to an embodiment of the present invention.
- 11D is a diagram illustrating a requested power operation unit (d) in a case in which a plurality of requested power operation units are configured and spare power of each requested power operation unit can be transmitted to each other according to an embodiment of the present invention
- 11E is a diagram illustrating a requested power operation unit f in which the AC/DC converting system according to an embodiment of the present invention is included in the requested power operation unit and configured as one.
- 12A is a DC/DC method in which the number of current fixed DC/DC converters is determined based on the number of simultaneous charging electric vehicles according to an embodiment of the present invention, and the charging speed is determined without change according to the power produced by the current fixed DC/DC converter. It is a figure which shows the structure (a) of a DC converter.
- 12b is a method in which the number of current fixed DC/DC converters is determined based on the number of simultaneous charging electric vehicles according to an embodiment of the present invention and the charging speed is determined without change according to the production power of the current fixed DC/DC converter, but some currents DC is a method that provides the requested power by combining the charging speed of the fixed current DC/DC converter and the parallel-connected DC/DC converter using a multi-connection switch according to the request of the charging applicant by additionally connecting the fixed DC/DC converter in parallel. It is a figure which shows the structure (b) of a /DC converter.
- 12c shows the charging speed by determining the number of current variable DC/DC converters based on the number of simultaneous charging electric vehicles according to an embodiment of the present invention and varying the production power of the current variable DC/DC converter according to the power requested by the charging applicant. It is a diagram showing the configuration (c) of the DC/DC converter, which is the determining method.
- DC/DC converter configuration ( d) is a diagram showing.
- 13A is a view showing the location (a) of the AC/DC converting system and the requested power control unit, illustrating the case where the AC/DC converting system and the requested power operating unit are located outside the parking lot near the parking lot according to an embodiment of the present invention.
- 13b is a view showing the location (b) of the AC/DC converting system and the requested power operation unit showing a case in which the AC/DC converting system according to an embodiment of the present invention is outside the parking lot and the requested power operation unit is in the parking lot.
- 13c is a view showing the location (c) of the AC/DC converting system and the requested power operation unit showing the case in which the AC/DC converting system and the requested power operation unit are in a parking lot according to an embodiment of the present invention.
- 14A is a diagram illustrating an example (a) of a charging area of a requesting power operation unit in which there are two requested power operation units and each charging area is separated without overlapping according to an embodiment of the present invention.
- 14B is a diagram illustrating an example (b) of a charging area of a requesting power operating unit in a case where there are two requested power operation units and the charging areas partially overlap according to an embodiment of the present invention.
- 14C is a diagram illustrating an example (c) of a charging area of a requesting power operation unit in which there are three requested power operation units and each charging area is separated without overlapping according to an embodiment of the present invention.
- 14D is a diagram illustrating an example (d) of a charging area of a requested power control unit in which there are three requested power operation units and the charging areas partially overlap according to an embodiment of the present invention.
- 14e is a diagram illustrating an example (e) of a charging area of a requesting power manipulator in a case in which there are four requested power manipulators and each charging area is separated without overlapping according to an embodiment of the present invention.
- 14f is a diagram illustrating an example (f) of a charging area of a requesting power operation unit in which there are four requested power operation units and partially overlapping charging areas according to an embodiment of the present invention.
- Figure 15a is a view showing the configuration (a) of the multi-connection switch in the electric wire network in the parking lot when the multi-connection switch is installed only on the parking surface according to an embodiment of the present invention.
- 15b is a view showing the configuration (b) of the multi-connection switch in the electric wire network in the parking lot when the multi-connection switch is installed not only on the parking surface but also on the space such as the passage according to the embodiment of the present invention.
- 16A to 16D are diagrams illustrating the number of selectable paths according to the shape of a wire network according to an embodiment of the present invention.
- 17A is a flowchart (a) of a case in which a DC/DC converter group according to an embodiment of the present invention is configured as a current fixed D/D.
- 17B is a flowchart (b) of a case in which a DC/DC converter group is configured as a current variable D/D according to another embodiment of the present invention.
- Chung Hee-ja means a person who wants to be charged
- Chung Dae-cha means a vehicle to be charged
- fixed current D/D means a fixed current DC/DC converter
- current variable D/D means a variable current DC/DC converter
- D/D means a DC/DC converter
- DC power delivery system is a name that calls both the request power control unit and the connection wire network
- connection wire network is a name that calls the relay connection wire network and the wire network in the parking lot together.
- DC power delivery system is a name that calls both the request power control unit and the connection wire network
- connection wire network is a name that calls the relay connection wire network and the wire network in the parking lot together.
- the meaning of "DC/DC converter corresponding to the maximum number of simultaneous charging electric vehicles” means that the number of D/Ds is, in principle, determined based on the number of simultaneous charging electric vehicles. For example, it is common that the number of simultaneous charging electric vehicles and the number of D/Ds are equally configured in a ratio of 1 to 1, but in another embodiment of the present invention, the number of simultaneous charging electric vehicles is higher than the number of simultaneous charging electric vehicles due to a slight difference in the system.
- the number of D/Ds may be slightly larger or slightly smaller.
- a larger number of D/Ds than the number of simultaneous charging electric vehicles can be configured for parallel connection, and as in the configuration of other embodiments 13a, 12c, and 12d
- the number of D/Ds may be greater than the number of simultaneous charging electric vehicles in order to consider additional expansion or to vary the charging speed (requested power) that Chung Hee-ja can select.
- the present invention can be set to charge power by branching power from one connection wire network to the adapter of two or three parking spaces as needed at the rear end.
- the present invention includes a possibility that the problem can be solved by a device including a diode or the like.
- the number of rechargeable electric vehicles in this case is regarded as one, not two or three.
- the concept that power is supplied through one connected wire network and disconnected by the disconnection switch of the corresponding D/D converter after charging is regarded as the number of electric vehicles that can be charged as 1.
- the number of DC/DC converters corresponding to the maximum number of simultaneous charging electric vehicles is the same, slightly less, or slightly more, preferably not exceeding 12% or more in the case of a little more.
- the overall system block diagram is a transformer 1000, an AC/DC converting system 2000, a DC power delivery system 500, a chungdaecha 9000, and Heeja Chung. It includes a screen display 9100 and a control unit 400 .
- the transformer 1000 it is denoted as the transformer 1000, but the name is a power transmission and distribution facility including a power receiving power produced by the power plant and a power distribution distributing it to the amount of power required by each customer, and a substation for substation Equipment, such as a distribution board, may include equipment necessary for the process for power reception, distribution, and voltage transformation in general.
- a substation for substation Equipment such as a distribution board
- the magnitude of the AC voltage converted by the transformer 1000 may vary depending on the magnitude of the DC voltage used in the DC power delivery system 500 using the power produced in the power plant, and the AC voltage converted in consideration of conversion efficiency, etc. size is determined
- HVDC high-voltage direct current transmission
- the transformer may not be included in the system of the present invention, and in this case, a transformer that may have been somewhere outside becomes the transformer of the present invention.
- the AC/DC converting system 2000 primarily converts AC power supplied from a transformer into DC power and supplies it.
- the power supplied to the transformer through the power plant, transmission, and distribution processes is unstable. If this unstable power source is converted into DC voltage and used immediately, unstable power is supplied and problems such as malfunction or deterioration may occur.
- the AC/DC converting system 2000 primarily converts AC power to DC power, and the converted DC power is converted into DC/DC in the request power operation unit 3000 to stabilize the power and charge the vehicle (9000). It can be used for charging.
- the DC power delivery system 500 may include a power request operation unit 3000 and a connection wire network 600 , and the connection wire network 600 includes a relay connection wire network 4000 and a wire network 5000 in the parking lot. ) can be composed of
- the request power operation unit 3000 controls the selection of D/D or the combination of D/D, setting the charging rate (requested power), etc. to provide the charging speed (requested power) of the chunghee, and the charging rate (requested power). ) to supply or release supply.
- the charging speed of Chung Hee-ja includes the speed set by consultation or announcement in advance, even if it was not requested at the time.
- the system can autonomously apply the appropriate time and charging speed according to the delivery time of Chung Hee-ja, and this can also be included in the meaning of the charging speed of Chung Hee-ja in the sense that the charging time and charging speed are determined by the action of the will of Chung Hee-ja.
- Chung Hee-ja can connect to the adapter in the parking area at 6 pm and set the departure time to 8 am the next morning.
- the charging rate is up to 90% by the time and charging rate agreed in advance with Chung Hee, for example, by the time of departure (or 30 minutes before the departure time)
- the system of the present invention can adapt to various situations according to artificial intelligence or algorithms. You will be able to adjust the charging speed and charging time while responding appropriately. In this case, too, in the present invention, it can be regarded as one of the types of the desired charging speed of Heeja Chung.
- the requested power control unit can be operated by directly receiving the wishes of Chung Hee-ja, but in a more desirable form, it can be seen that the main control device interprets the wishes of Chung Hee-ja, such as the charging speed, and is operated according to the control commands given according to the overall situation. .
- the relay connection wire network 4000 is located between the request power supply wire 3013 that supplies the charging speed (requested power) set in the request power operation unit 3000 and the wire network 5000 in the parking lot, and the charging speed (requested power) Electric power) may be used to form a path so that it can be supplied in an appropriate path to the electric wire network 5000 in the parking lot.
- the electric wire network 5000 in the parking lot may serve to provide a charging speed (requested power) by being connected to the relay connection wire network 4000 to form a charging path to the location where the charging vehicle 9000 is located.
- the electric wire network 5000 in the parking lot is similar to the relay connection wire network 4000 and may serve as a batch or arbitrarily divided.
- the charging vehicle 9000 means a vehicle to be charged, and the charging speed (requested power) requested by the Chung-hee is supplied through the requested power control unit 3000, the relay connection wire network 4000, and the electric wire network 5000 in the parking lot. do.
- the control unit 400 includes a main control device 6000, an allowable power management device 1100, an AC/DC converting system management 2100, a request power control unit management 3100, a relay connection wire network management 4100, and a parking lot. It may include a wire network management 5100 , charging and information management 8000 , and a customer service system 7000 .
- the main control device 6000 may play a role in sending and receiving notifications or sending and receiving information to the terminal of Chung-hee by controlling the management and control of overall systems for charging, internal or external communication, and the customer service system 7000. .
- various methods for wired communication or wireless communication such as PLC, CAN, LAN, LIN, Bluetooth, Zigbee, Beacon, etc. may be used.
- the allowable power management device 1100 serves to continuously monitor and control so that the power used in the charging system according to the present invention does not exceed the allowable total power of the transformer 1000 .
- it may include a facility or software, a distribution board, etc. for typically monitoring and controlling electric power.
- the allowable total power can mean the amount of power permitted by contract with an electricity supply source (Korea Electric Power, etc. in Korea) regardless of the presence of a transformer.
- the AC/DC converting system management 2100 may serve to continuously monitor and control the power supplied from the transformer 1000 so as not to exceed the power determined when the power supplied from the transformer 1000 is primarily converted to DC power.
- the AC/DC conversion system management 2100 may include equipment, software, and distribution boards for monitoring and controlling power in general.
- the AC/DC converting system management 2100 is configured for each AC/DC converting system (2010, 2020, 2030, 2040, 2050). can be monitored and controlled.
- the request power operation unit management 3100 selects D/D or determines a combination or charging speed (requested power) according to the request of the user, and controls such as supplying or blocking it, and problems such as failure or leakage current. can play a role in understanding.
- the relay connection wire network management 4100 forms a path for supplying the charging speed (requested power) set in the requested power operation unit 3000 to the electric wire network 5000 in the parking lot where the charging truck 9000 is located. After charging is complete, it can serve to release the path formation.
- the electric wire network management 5100 in the parking lot forms a route for supplying the charging speed (requested power) supplied from the relay connection wire network 4000 to the location of the charging truck 9000 and releases the route formation after charging is completed. can play a role
- the charging and information management 8000 determines whether the charging vehicle 9000 connected to information such as battery information, battery remaining amount, and vehicle information received from the charging vehicle 9000 is a vehicle that can be charged in the corresponding charging system. It can play a role such as
- the customer service system 7000 may include a billing system 7100 , a member information management system 7200 , and a vehicle diagnosis 7300 .
- a billing system 7100 may be included in the customer service system 7000 .
- a member information management system 7200 may be included in the customer service system 7000 .
- a vehicle diagnosis 7300 may be included in the customer service system 7000 .
- the billing system 7100 serves as billing information by time/season, calculating a charge according to the power used for charging, and making a payment, and the member information management system 7200 provides payment information, vehicle information, and reservation information for Chung Hee-ja. It can serve to store, etc.
- the battery charger diagnosis light 7300 may serve to store the information received from the charger and vehicle charging and information management 8000 and transmit it to the Chunghee person according to the information.
- the display 9100 of the screen display 9100 means that information transmitted from the customer service system 7000 is displayed on a terminal such as a smartphone or a computer of the customer service provider.
- FIG. 2 is an example of the overall structure from the transformer 1000 to the charging adapter 5015 where the charging vehicle 9000 is located in accordance with an embodiment of the present invention.
- 1100 an AC/DC converting system 2000 , and a DC power delivery system 500 may be included.
- the number of AC/DC converting systems 2000 of FIG. 2 may be plural.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may be configured, and the DC power delivery system 500 is first to fifth as shown in FIG. 11C .
- the first to fifth DC power delivery systems 510 , 520 , 530 , 540 and 550 may be connected to the fifth AC/DC converting system 2010 , 2020 , 2030 , 2040 , and 2050 , respectively.
- the AC/DC converting system 2000 and the DC power delivery system 500 are each configured as five in FIGS. 10A and 11C, but this is only an example according to an embodiment of the present invention, and the number may be larger or smaller.
- the /DC converting system 2010 and the first DC power delivery system 510 have been described as an example.
- a DC power source of the same size may be used as the power source, or DC power sources having different sizes may be used as needed.
- the voltage of the power source used herein may be naturally generated and used in various ways by those skilled in the art according to their needs.
- the charging standard voltage of an electric vehicle is 800V and 400V, both can be accommodated in consideration of the ratio of the two vehicles.
- the detailed structure of the first to fifth DC power delivery systems 510, 520, 530, 540, 550 of the request power operation unit 3000, the relay connection wire network 4000, and the wire network 5000 in the parking lot is It may be the same, or may be configured differently according to need.
- the requested power operation unit 3000 is the requested power operation unit (a) 3010 of FIG. 12a
- the relay connection wire network 4000 is in the form of a pyramid (the structure in which the number of wire networks increases) a) (4010)
- an implementation according to the present invention including a configuration in which the wire 900 to which the wire network 5000 in the parking lot and the relay connection wire network 4000 are connected is connected to the upper multi-connection switch line 5011 Yes.
- the charging rate (requested power) requested by Chung-hee may select a charging rate (requested power) determined by the current fixed D/D 3011 of the requested power control unit (a) 3010 .
- the charging speed (requested power) is, in principle, likely to be a different path every time it is reset through the formation of a path between the relay connection wire network (a) 4010 and the electric wire network 5010 in the first parking lot, which has a number of cases. In a much larger state, it may be supplied to the charging adapter 5015 connected to the charging vehicle 9000 .
- the current-fixed D/D 3011 of the requested power operation unit (a) 3010 may supply charging rates (requested power) of the same size, but may supply charging rates of different sizes.
- the charging speed (requested power) of each current fixed D/D 3011 may be variously determined in consideration of the situation of the corresponding parking lot at the time of installation.
- the relay connection wire network ( a) Form a path between 4010 and the electric wire network 5010 in the first parking lot, and when the work is completed, turn on the disconnection switch 3012 of the request power control unit (a) 3010 to speed the charging ( requested power).
- a device such as a DC circuit breaker for blocking the fault current may be added, and a reverse current relay, a ground fault relay, and a residual current device may be added. Devices that can prevent accidents that can be shown while using DC power, such as the like, may be additionally used.
- D/D of the requested power operation unit it is expressed as D/D of the requested power operation unit, but depending on the design advantage or situation, the D/D of the requested power operation unit is DC/AC conversion - In addition to AC/DC conversion, various design methods for DC/DC conversion or configuration may be included.
- Electricity for moving the multi-connection switch 700 used in the connection wire network 600 to set a route may use alternating current for general household use, not electricity for charging an electric vehicle in the present invention.
- the wires connected to the multiple access switch 700 have a total of six paths. can have You can form a path with top and bottom, top and left edge, top and right edge, bottom and left edge, and bottom and right edge. Basically, it forms a single route, but in some cases, if it is a non-overlapping route, there are two routes. can be formed simultaneously.
- connection wire network may be connected by triangles, hexagons, etc. continuously connected in all directions as shown in FIGS. 16A to 16D .
- it may be connected with a three-dimensional connection structure, for example, a tetrahedron or a cube.
- a tetrahedron or a cube Of course, it can be used with a slightly distorted shape as needed. Also, of course, these shapes can be mixed and used.
- the important point is that in the request power control unit 3000 with a small number of power supply lines, there is a path already in the charging vehicle 9000, which can be said to be connected randomly among various and in principle, among the charging adapters of the parking lot with a much larger number than that.
- the key is whether the number of connection paths of the multi-connection switches 700 can be sufficiently secured so that a new path can be formed without confusion with the path of the charging trucks 9000 that are connected and charged.
- the multi-connection switch 700 is installed in all or most of the corners formed by the connection wire network. However, if the number of connection paths can be sufficiently secured, the multi-connection switch 700 may not be installed at all corners, and the number of possible connections for each switch may be reduced and used.
- an adapter for charging in a parking space should be installed. Most preferably, an adapter may be installed in every parking space. Because doing so would give owners the advantage of being able to park regardless of whether they have an internal combustion engine or an electric car. In addition, if the proportion of electric vehicles continues to increase in the future, it is possible to respond only by supplementing the upper transformer, AC/DC converter, and D/D converter.
- the adapters in the parking space may be installed in the same way as 400 or 500.
- these numbers can be applied in various ways as those skilled in the art must judge the enemy by looking at the situation, depending on the proportion of electric vehicles among all vehicles, the type of use of electric vehicles, and the like. And, depending on the situation, a considerable number of adapters in the parking space may be omitted, but at least it is much more than the maximum number of simultaneous charging electric vehicles. have.
- the multi-connection switch 700 in the parking lot is installed, but if there are a number of places where there is no charging adapter 5015 as needed, or if the number of routes is sufficient, it can be directly connected through that part, and even in that case, multiple access This is because the number of connection paths of the switches 700 can be sufficiently secured.
- an electric vehicle charging system includes an AC/DC converting system 2000 and a DC power delivery system 500a.
- the electric vehicle charging system may include a charging truck 9000 , a chunghuija screen display 9100 , and a control unit 400a .
- the electric vehicle charging system may further include a transformer 1000 .
- the AC/DC converting system 2000 serves to primarily convert AC power supplied from a transformer into DC power and supply it.
- the AC/DC converting system 2000 primarily converts AC power to DC power, and the converted DC power is converted into DC/DC in the request power operation unit 3000 to stabilize the power and charge the vehicle (9000). It can be used for charging.
- the DC power delivery system 500a may be composed of a power request operation unit 3000 and an electric wire network 5000 in the parking lot,
- the DC power delivery system 500a includes a DC/DC converter 3011, 3031, etc. connected to an output terminal of the AC/DC converting system 2000, and a disconnection switch connected to an output terminal of each DC/DC converter (3012, etc.) between the request power operation unit 3000 and the DC/DC converter and the charging adapters 5015, including a wire network 5000 that can connect the DC/DC converter and the charging adapters can do.
- the charging adapters 5015 may be installed in at least some of the parking spaces 80 of the parking lot.
- the number of DC/DC converters may correspond to the maximum number of simultaneous charging electric vehicles.
- the number of the charging adapters 5015 may be greater than the number of the DC/DC converters.
- the request power operation unit 3000 controls the selection of D/D or the combination of D/D, setting the charging rate (requested power), etc. to provide the charging speed (requested power) of the chunghee, and the charging rate (requested power). ) to supply or release supply.
- the charging speed of Chung Hee-ja includes the speed set by consultation or announcement in advance, even if it was not requested at the time.
- the system can autonomously apply the appropriate time and charging speed according to the delivery time of Chung Hee-ja, and this can also be included in the meaning of the charging speed of Chung Hee-ja in the sense that the charging time and charging speed are determined by the action of the will of Chung Hee-ja.
- Chung Hee-ja may connect to the charging adapter 5015 in the parking area at 6 pm and set the departure time to 8 am the next morning.
- the charging rate is up to 90% by the time and charging rate agreed with Chung Hee in advance, for example, by the time of departure (or 30 minutes before the departure time)
- the system of the present invention can adapt to various situations according to artificial intelligence or algorithms. You will be able to adjust the charging speed and charging time while responding appropriately. In this case, too, in the present invention, it can be regarded as one of the types of charging speed desired by Heeja Chung.
- the requested power operation unit 3000 can be manipulated by directly receiving the wishes of Chung Hee-ja, but in a more desirable shape, the main control device 6000 interprets the wishes such as the charging speed (requested power) of the Chung Hee-ja to fit the overall situation. It can be seen that it is operated according to the given control command.
- the electric wire network 5000 in the parking lot may serve to provide a charging speed (requested power) by forming a charging path up to the location where the charging vehicle 9000 is located, and the charging vehicle 9000 means a vehicle to be charged.
- the charging speed (requested power) requested by Chung-hee is supplied through the requested power control unit 3000 and the electric wire network 5000 in the parking lot.
- the control unit 400a includes a main control device 6000, an allowable power management device 1100, an AC/DC converting system management 2100, a request power control unit management 3100, a wire network management 5100 in the parking lot, and a charging vehicle. It may include a charging and information management 8000 and a customer service system 7000 .
- the main control device 6000 may play a role in sending and receiving notifications or sending and receiving information to the terminal of Chung-hee by controlling the management and control of overall systems for charging, internal or external communication, and the customer service system 7000. .
- various methods for wired communication or wireless communication such as PLC, CAN, LAN, LIN, Bluetooth, Zigbee, Beacon, etc. may be used.
- the allowable power amount management device 1100 serves to continuously monitor and control so that the power used in the charging system according to the present invention does not exceed the allowable total power of the transformer 1000 .
- it may include a facility or software, a distribution board, etc. for typically monitoring and controlling electric power.
- the AC/DC converting system management 2100 may serve to continuously monitor and control the power supplied from the transformer 1000 not to exceed the power determined when the power supplied from the transformer 1000 is primarily converted to DC power, and the AC
- the /DC conversion system management 2100 may include equipment, software, or a distribution panel for monitoring and controlling power in general.
- the AC/DC converting system management 2100 is configured for each AC/DC converting system (2010, 2020, 2030, 2040, 2050). can be monitored and controlled.
- the request power operation unit management 3100 selects D/D or determines a combination or charging speed (requested power) according to the request of the user, and controls such as supplying or blocking it, and problems such as failure or leakage current. can play a role in understanding.
- the electric wire network management 5100 in the parking lot forms a path for supplying the charging speed (requested power) supplied from the requested power operation unit 3000 to the location of the charging cart 9000 and releases the path formation after charging is completed. can play a role
- the charging and information management 8000 determines whether the charging vehicle 9000 connected to information such as battery information, battery remaining amount, and vehicle information received from the charging vehicle 9000 is a vehicle capable of being charged in the corresponding charging system. It can play a role such as
- the customer service system 7000 may include a billing system 7100 , a member information management system 7200 , and a vehicle diagnosis 7300 .
- a billing system 7100 may be included in the customer service system 7000 .
- a member information management system 7200 may be included in the customer service system 7000 .
- a vehicle diagnosis 7300 may be included in the customer service system 7000 .
- the billing system 7100 serves as billing information by time/season, calculating a charge according to the power used for charging, and making a payment, and the member information management system 7200 provides payment information, vehicle information, and reservation information for Chung Hee-ja. It can serve to store, etc.
- the battery charger diagnosis light 7300 may serve to store the information received from the charger and vehicle charging and information management 8000 and transmit it to the Chunghee person according to the information.
- the display 9100 of the screen display 9100 means that information transmitted from the customer service system 7000 is displayed on a terminal such as a smartphone or a computer of the customer service provider.
- 4A is an example of the overall structure from the transformer 1000 to the charging adapter 5015 where the charging cart 9000 is located according to an embodiment of the present invention.
- the electric vehicle charging system includes the transformer 1000, the allowable power management device 1100, the AC/DC converting system 2000, and the DC power delivery system 500a. may be included.
- the pre-installed transformer can handle the power used for charging, power can be supplied by using the corresponding transformer without a separate installation, and the pre-installed transformer can handle the power used for charging If not, power may be supplied through the installation of an additional transformer 1000 .
- the AC/DC converting system 2000 of FIG. 4A may be composed of one or a plurality of units.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may be configured as shown in FIG. 10A, or may be configured as one AC/DC converting system as shown in FIG. 10B.
- Each of the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may be separately provided with the power request operation unit 3000 . That is, the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may be connected to the first to fifth requested power operation units 3010, 3020, 3030, 3040, and 3050, respectively.
- the AC/DC converting system 2000 is composed of five in FIG. 10A as an example, this is only an example according to an embodiment of the present invention, and the number may be larger or smaller.
- the DC power delivery system 500a is connected to the AC/DC converting system 2000 in a one-to-one manner, but this is only an example according to an embodiment of the present invention.
- the system 2000 may be connected one-to-many.
- Figure 4a is a first AC of the first to fifth AC / DC converting systems (2010, 2020, 2030, 2040, 2050) and the first to fifth DC power delivery systems (510a, 520a, 530a. 540a, 550a)
- the /DC converting system 2010 and the first DC power delivery system 510a have been described as examples.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may all have the same power or different amounts of power available for each system.
- the first to fifth DC power delivery systems (510a, 520a, 530a, 540a, 550a) included in each of the power request power operation unit 3000 may have the same size of DC power, and may have different sizes as needed. It can be configured using a DC power supply.
- the magnitude of the voltage in the power source used herein may be varied in the magnitude of the charging voltage of electric vehicles sold on the market, it may be configured in various ways according to the needs when constructing the system. For example, if the size of the charging voltage of the electric vehicle is 800V and 400V, it may be configured in consideration of the ratio of the number of vehicles of the electric vehicles using the two voltages.
- the detailed structures of the first to fifth DC power delivery systems 510a, 520a, 530a. 540a, 550a of each request power operation unit 3000 and the electric wire network 5000 in the parking lot are the first requested power operation unit 3010 ) and may be the same as the detailed structure of the electric wire network 5010 in the first parking lot, but may be configured differently according to need.
- FIG. 4A illustrates an electric vehicle charging system in which an AC/DC converting system and a requested power operation unit are separated according to an embodiment of the present invention.
- FIG. 4A shows a plurality of AC/DC converting systems 2000 as in the AC/DC converting system (a) of FIG. 10A, and the requested power operation unit 3000 is configured as shown in FIG. It is a diagram illustrating a case in which the requested power operation unit 3000 is configured as one in the AC/DC converting system 2000 .
- FIG. 4A shows the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 in which the requested power operation unit 3000 is separately present, and the AC/DC converting system of FIG. 13A and The first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, 2050 and the requested power operation unit 3000 are configured outside the parking lot, as in the location (a) of the requested power operation unit. it is do
- outside means a separate space other than the area of the corresponding parking lot, which can be a facility space that can separately configure the AC/DC converting system 2000 and the requested power operation unit 3000 near the parking lot. have.
- the separate space may include an area excluding the area of the parking lot in which the AC/DC converting system 2000 and the requested power operation unit 3000 are responsible for charging in the entire area of the parking lot, and there is a space separate from the parking lot. Also, it should be connected to the charging adapter 5015 through the D/D disconnection switch 3012 and the multi-connection switch 700 .
- the multi-connection switch 700 is configured on the parking surface 80 as in the configuration (a) of the multi-connection switch in the electric wire network in the parking lot of FIG. 15a, and one charging as shown in the charging adapter (a) of FIG. 6a It is an embodiment according to the present invention showing a case in which the adapter 5015 can charge one electric vehicle.
- the charging rate (requested power) requested by Chung-hee may select a charging rate (requested power) determined by the current fixed D/D 3011 of the first requested power operation unit 3010 .
- the charging speed (requested power) can be supplied to the charging adapter 5015 and the charging vehicle 9000 through various route formation in the electric wire network 5010 in the parking lot according to the current location of the charging vehicle 9000.
- the path for charging can be formed to avoid the existing path and use the shortest distance, minimum multi-connection switch 700 .
- a plurality of AC/DC converters for example, supply or cut off the DC current for charging by precisely manufacturing the AC/DC converter that is input without adding a DC/DC converter to the charger required in the present invention.
- Note can also be used by directly connecting a plurality of AC/DC converters with a power request operation unit including a disconnection switch.
- the most important point in the path forming process is to form a path capable of minimizing the voltage drop due to the length of the wire of the formed path and the number of multi-connection switches.
- the control program may calculate the voltage drop due to the wire length and the number of multiple connection switches of the paths formed through simulation when the path is formed, and select the path with the smallest voltage drop among them.
- the parking surface 80 in which a charging path is not formed may occur.
- a path can be selected so that the voltage drop is small and the additional path formation is easy.
- a recommended parking surface may be displayed, such as by installing an LED indicator light on the upper part of the parking surface 80 to make it blink.
- the charging path in order to minimize the case in which the charging path is not formed, it may be important to minimize path formation using two or more multiple access switches 700 installed on the parking surface 80 successively.
- a path is formed by continuously using the multiple access switch 700 installed on the parking surface 80, for additional charging with the corresponding charging adapter 5015 of the multiple access switch 700 used only for connection Since it may be difficult to form a path, the corresponding parking surface 80 may be difficult to charge even when an electric vehicle enters. Therefore, it is preferable to avoid continuously using the multiple access switch 700 installed on the parking surface 80 and form a charging path by well utilizing the multiple access switch 700 installed in the passage.
- the three charging path forming methods may be used independently, and depending on the number of multiple access switches 700 installed in the parking lot, two or more of the first and second methods, the first and third methods, and the three methods may be used. may be
- the first power request operation unit 3010 includes a first DC/DC converter group 41 and a disconnection switch 3012 , and the first DC/DC converter group 41 is a current fixed D/D 3011 . ) and all can supply the same size of charging speed (requested power), but can supply different sizes of charging rates.
- the charging speed (requested power) of each current fixed D/D 3011 may be variously determined in consideration of the situation of the corresponding parking lot at the time of installation.
- the current fixed type D/D 3011 of the first requested power operation unit 3010 is selected according to the determination of the main control device 6000 by the selection of the charging speed (requested power) of Chung Heeja, and the first A path of the electric wire network 5010 in the parking lot is first formed, and when the corresponding operation is completed, the disconnection connection switch 3012 of the first requested power operation unit 3010 is turned on to supply a charging speed (requested power).
- the current fixed D/D 3011 of the first DC/DC converter group 41 By configuring the current fixed D/D 3011 of the first DC/DC converter group 41 in various ways, it is possible to provide a charging speed (requested power) according to the user's choice from slow charging using DC power to fast charging. There is an advantage that it can be possible, and when the number of electric vehicles is increased, the AC/DC converting system 2000 and the requested power operation unit 3000 are additionally installed, so that the existing charging system can be expanded.
- the configuration (a) of the DC/DC converter of FIG. 12A has been described as an example in the above embodiment, this is only a configuration according to an embodiment of the present invention, and as shown in FIG. 12B, the current fixed D/D 3011 and A second DC/DC converter group 42 composed of a fixed current D/D 3022 for parallel connection, a third DC/DC converter group 43 composed of a current variable D/D 3031 as shown in FIG. 12C, As shown in FIG. 12D , the fourth DC/DC converter group 44 may be configured in which a current fixed D/D 3011 and a current variable D/D 3031 are mixed.
- a device such as a DC circuit breaker for blocking a fault current when a fault occurs when using DC power as in the present invention may be added, and DC such as a reverse current relay, a ground fault relay, and a residual current device It can be configured by additionally using devices that can prevent accidents that may occur while using power.
- Power for the operation of the multi-connection switch 700 used in the electric wire network 5010 in the first parking lot to set a route may use a general AC or DC power separately from the power for charging the electric vehicle.
- the structure of the multi-connection switch 700 used in the present invention is an example of a case in which four wires are connected to the multi-connection switch 700 when connected vertically and horizontally as shown in FIG. 5C as one embodiment. Although described, according to the shape of the wire network as shown in FIGS. 16A to 16D, more or fewer wires than four wires may be connected.
- the electric wire network 5010 in the parking lot of Figs. 16a to 16d is only an example according to an embodiment of the present invention. , may be used by mixing the above shapes.
- An important point in the charging system according to the present invention is the charging adapter 5015 installed on the parking surface 80 in a much larger number than the request power operation unit 3000 having a smaller number of power supply devices than the parking surface 80.
- the key is to be able to charge the charging truck 9000 by forming various routes according to the request of Chung Hee-ja, to form a new route without confusion with a preset route, and to be able to charge anywhere in the parking lot. .
- the number of multiple access switches 700 must be sufficiently secured so that a new path can be formed by avoiding confusion with the existing path, and the multiple access switch 700 is basically installed on the parking surface 80, and if a new If the number of multiple access switches 700 is insufficient to form a path, a multiple access switch 700 may be additionally installed at a location such as a passage other than the parking surface 80 .
- one charging adapter 5015 is installed for every parking surface 80 .
- the existing internal combustion engine vehicle can be parked anywhere without moving to charge the electric vehicle.
- the proportion of electric vehicles increases in the future, there is an advantage that it is possible to respond only by additionally installing the transformer 1000 , the AC/DC converting system 2000 , and the power request operation unit 3000 .
- the number of charging adapters 5015 installed on the parking surface 80 may be 400 or 500. However, these numbers may vary depending on the specific gravity of the electric vehicle relative to the entire parking surface 80 or the type of use, and the number of the charging adapter 5015 may be omitted or increased depending on the situation.
- the core of the present invention is that the charging adapter 5015 is installed more than the maximum number of simultaneous charging electric vehicles, so that charging can be performed on all parking surfaces 80 or any parking surface 80 in a specific area depending on the situation. it can be said
- the charging adapter 5015 when the charging adapter 5015 is connected to the charging cart 9000 and the charging end time is set, the charging adapter 5015 is connected to the multi-connection switch 700 before charging starts. It is possible to control so that electricity does not flow in the charging cart 9000 by releasing it, and the charging speed, disconnection switch 3012, etc. can be controlled in the charging system according to the present invention so that charging is completed according to the charging end time after charging is started. can
- the charging adapter 5015 is connected to the multi-connection switch 700 by disconnecting the connection to the charging adapter ( 5015) can be set so that electricity does not flow until disconnected.
- the charging completion here may set the charging rate according to the setting of the operating system and the user, for example, charging up to 80% by fast charging and completing charging.
- the present invention may mean that after being charged to 80% by DC fast charging, it is converted to AC slow charging and charging to 90% or more is completed.
- the pre-formed charging path release process is first in the switch connection of the charging adapter 5015 is released, and the The switch proceeds in the order of disconnecting the connection and disconnecting the multi-connection switch 700, and after the DC charging is sufficiently completed, by controlling the switch of the charging adapter 5015 or the adapter storage box, a separate AC power is supplied to the charging vehicle. (9000) can be supplied.
- the charging adapter 5015 can be arranged inside by configuring a separate housing on the ceiling or wall of the parking lot, inside and outside the floor, and as well as a wired adapter directly connected to the charging vehicle 9000,
- it can be configured as a module capable of wireless charging using methods such as magnetic induction, magnetic resonance, and electromagnetic waves.
- 4B is an example of an overall structure from the transformer 1000 to the charging adapter 5015 where the charging vehicle 9000 is located according to an embodiment of the present invention, and the electric vehicle charging system includes the transformer 1000 ), the allowable power management device 1100 , the AC/DC converting system 2000 , and a DC power delivery system 500a may be included.
- 4B illustrates a case in which electric power can be transmitted by being connected to an electric wire network.
- the pre-installed transformer can handle the power used for charging, power can be supplied by using the corresponding transformer without a separate installation, and the pre-installed transformer can handle the power used for charging If not, power may be supplied through the installation of an additional transformer 1000 .
- the AC/DC converting system 2000 of FIG. 4B may be configured as one or a plurality of AC/DC converting systems.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may be configured as shown in FIG. 10A, or may be configured as one AC/DC converting system as shown in FIG. 10B. .
- the AC/DC converting system 2000 is composed of five in FIG. 10A as an example, this is only an example according to an embodiment of the present invention, and the number may be larger or smaller.
- the DC power delivery system 500a is connected to the AC/DC converting system 2000 in a one-to-one manner, but this is only an example according to an embodiment of the present invention.
- the system 2000 may be connected one-to-many.
- Figure 4b is a first AC of the first to fifth AC / DC converting systems (2010, 2020, 2030, 2040, 2050) and the first to fifth DC power delivery systems (510a, 520a, 530a. 540a, 550a)
- the /DC converting system 2010 and the first DC power delivery system 510a have been described as examples.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may all have the same power or different amounts of power available for each system.
- the first to fifth DC power delivery systems (510a, 520a, 530a, 540a, 550a) included in each of the power request power operation unit 3000 may have the same size of DC power, and may have different sizes as needed. It can be configured using a DC power supply.
- the magnitude of the voltage in the power source used herein may be varied in the magnitude of the charging voltage of electric vehicles sold on the market, it may be configured in various ways according to the needs when constructing the system. For example, if the size of the charging voltage of the electric vehicle is 800V and 400V, it may be configured in consideration of the ratio of the number of vehicles of the electric vehicles using the two voltages.
- the detailed structures of the first to fifth DC power delivery systems 510a, 520a, 530a. 540a, 550a of each requested power operation unit 3000 and the electric wire network 5000 in the parking lot are the first requested power operation unit 3010 ) and may be the same as the detailed structure of the electric wire network 5010 in the first parking lot, but may be configured differently according to need.
- the electric vehicle charging system may include a plurality of requested power operation units 3000 , and the plurality of requested power operation units 3000 may transmit power to each other.
- the AC/DC converting system 2000 is composed of several like the AC/DC converting system (b) of FIG.
- the requested power operation unit 3000 is configured in plurality
- the first to fourth requested power operation units 3010, 3020, 3030, 3040) is a diagram illustrating a case in which power can be transmitted to each other.
- Figure 4b the first to fifth AC / DC converting system (2010, 2020, 2030, 2040, 2050), the power request operation unit 3000 separately exists, the AC / DC conversion system of Figure 13a and the first to fifth AC/DC converting systems (2010, 2020, 2030, 2040, 2050) and the requested power control unit 3000 are configured outside the parking lot near the parking lot, as in the position (a) of the requested power control unit is the diagram shown.
- the first to fourth requested power operation units 3010 , 3020 , 3030 , 3040 include a first DC/DC converter group 41 and a disconnection switch 3012 , and the first DC/DC converter group 41 .
- ) consists only of the current fixed type D/D 3011 and all can supply the same size of charging speed (requested power), but can supply different sizes of charging rates.
- the charging speed (requested power) of each current fixed D/D 3011 may be variously determined in consideration of the situation of the corresponding parking lot at the time of installation.
- the DC/DC converter group 40 of the first to fourth requested power operation units 3010 , 3020 , 3030 , and 3040 are all configured as the first DC/DC converter group 41 of FIG. 12A .
- the current fixed D/D 3011 of the first DC/DC converter group 41 By configuring the current fixed D/D 3011 of the first DC/DC converter group 41 in various ways, it is possible to provide a charging speed (requested power) according to the user's choice from slow charging using DC power to fast charging. There is an advantage that it can be possible, and when the number of electric vehicles is increased, the AC/DC converting system 2000 and the requested power operation unit 3000 are additionally installed, so that the existing charging system can be expanded.
- the multi-connection switch 700 is configured on the parking surface 80 as in the configuration (a) of the multi-connection switch in the electric wire network in the parking lot of FIG. 15a, and one charging is performed like the charging adapter (a) of FIG. 6a. It is an embodiment according to the present invention showing a case in which the adapter 5015 can charge one electric vehicle.
- the electric vehicle charging system is the transformer 1000 , the allowable power amount management device 1100 , the AC/DC converting system 2000 , and a DC power delivery system 500a may be included.
- Figure 4c illustrates a case in which the electric wire network is separated from each other.
- the pre-installed transformer can handle the power used for charging, power can be supplied by using the corresponding transformer without a separate installation, and the pre-installed transformer can handle the power used for charging If not, power may be supplied through the installation of an additional transformer 1000 .
- the AC/DC converting system 2000 of FIG. 4C may be configured as one or a plurality of AC/DC converting systems.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may be configured as shown in FIG. 10A, or may be configured as one AC/DC converting system as shown in FIG. 10B. .
- the AC/DC converting system 2000 is composed of five in FIG. 10A as an example, this is only an example according to an embodiment of the present invention, and the number may be larger or smaller.
- the DC power delivery system 500a is connected to the AC/DC converting system 2000 in a one-to-one manner, but this is only an example according to an embodiment of the present invention.
- the system 2000 may be connected one-to-many.
- Figure 4c is a first AC of the first to fifth AC / DC converting systems (2010, 2020, 2030, 2040, 2050) and the first to fifth DC power delivery systems (510a, 520a, 530a. 540a, 550a)
- the /DC converting system 2010 and the first DC power delivery system 510a have been described as examples.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 may all have the same power or different amounts of power available for each system.
- the first to fifth DC power delivery systems (510a, 520a, 530a, 540a, 550a) included in each of the power request power operation unit 3000 may have the same size of DC power, and may have different sizes as needed. It can be configured using a DC power supply.
- the magnitude of the voltage in the power source used herein may be varied in the magnitude of the charging voltage of electric vehicles sold on the market, it may be configured in various ways according to the needs when constructing the system. For example, if the size of the charging voltage of the electric vehicle is 800V and 400V, it may be configured in consideration of the ratio of the number of vehicles of the electric vehicles using the two voltages.
- the first to second request power operation units 3010 and 3020 include a first DC/DC converter group 41 and a disconnection switch 3012, and the first DC/DC converter group 41 is a current fixed type. It consists of only the D/D 3011 and all can supply charging rates (requested power) of the same size, but can supply charging rates of different sizes.
- the charging speed (requested power) of each current fixed D/D 3011 may be variously determined in consideration of the situation of the corresponding parking lot at the time of installation.
- the DC/DC converter group 40 of the first to second requested power operation units 3010 and 3020 are all configured as the first DC/DC converter group 4010 of FIG. 12A as an example, but this It is only a configuration according to an embodiment of the present invention, and the DC/DC converter groups 40 of each requested power operation unit 3000 may all be the same or different from each other, which may be variously determined in consideration of the situation of the corresponding parking lot at the time of installation. have.
- the current fixed D/D 3011 of the first DC/DC converter group 41 By configuring the current fixed D/D 3011 of the first DC/DC converter group 41 in various ways, it is possible to provide a charging speed (requested power) according to the user's choice from slow charging using DC power to fast charging. There is an advantage that it can be possible, and when the number of electric vehicles is increased, the AC/DC converting system 2000 and the requested power operation unit 3000 are additionally installed, so that the existing charging system can be expanded.
- the detailed structure of the first to fifth DC power delivery systems (510a, 520a, 530a. 540a, 550a) of each request power operation unit 3000 and the electric wire network 5000 in the parking lot is the first requested power operation unit 3010 ) and may be the same as the detailed structure of the electric wire network 5010 in the first parking lot, but may be configured differently according to need.
- the wire network 5000 may include a plurality of separated wire networks.
- the electric wire network 5010 in the first parking lot may include two separate electric wire networks.
- FIG. 4c shows a plurality of AC/DC converting systems 2000 as shown in the AC/DC converting system (a) of FIG.
- a plurality of the requested power operation units 3000 are configured, and unlike FIG. 4B, the first to second requested power operation units 3010 and 3020 are not able to transmit power to each other. to be.
- Figure 4c the first to fifth AC / DC converting system (2010, 2020, 2030, 2040, 2050), the power request operation unit 3000 separately exists, the AC / DC conversion system of Figure 13a and the first to fifth AC/DC converting systems (2010, 2020, 2030, 2040, 2050) and the requested power control unit 3000 are configured outside the parking lot near the parking lot, as in the position (a) of the requested power control unit is the diagram shown.
- the multi-connection switch 700 is configured on the parking surface 80 as in the configuration (a) of the multi-connection switch in the electric wire network in the parking lot of FIG. 15a, and one charging as shown in the charging adapter (a) of FIG. 6a It is an embodiment according to the present invention showing a case in which the adapter 5015 can charge one electric vehicle.
- a plurality of corners capable of forming a contact point to which three or more electric wires are selectively connected are formed in the wire network 5000 , and the multi-connection switch 700 may be disposed at a selected corner among the corners.
- the multi-connection switch 700 may be connected to three or more wires of the wire network 5000 and selectively form a connection path by connecting some wires among the three or more wires.
- FIG. 4D is similar to FIG. 4A, but as another embodiment, there is no multiple connection switch 700 in some or all of the wire network 5000 in the main window, and the route formation is a relay connection wire network 4000 located in a separate space.
- ) is a diagram showing an example of the case made in The charging adapter 5015 installed on each parking surface 80 existing in the parking space without the multi-connection switch 700 is connected to the electric wire for power supply through the formed path.
- each wire is gathered in a separate space for path formation, and each wire can be expressed in various ways, such as a multi-connection switch 700 and a relay connection wire network 4000 (or a complex distribution board, or a multi-faceted distribution board) composed of wires. there) is associated with
- the relay connection wire network 4000 forms a path from the charger to the parking surface 80 according to the request of Chung Hee-ja, and the power supplied from the request power operation unit 3000 is the route formed in the relay connection wire network 4000 . Power is supplied to the parking surface 80 by the
- the shape of the relay connection wire network 4000 may be configured in various shapes such as a rectangle, a trapezoid, and the like, and the shape depends on the shape of the space in which the relay connection wire network 4000 is installed and the configuration of multiple connection switches for path formation. may vary depending on
- 5A is a diagram illustrating an example of an implementation of the multiple access switch 700 .
- the multi-connection switch 700 controls a switch 1600 for forming a wire path, a demultiplexer 1430 for controlling the switch 1600, an LED 1440 for displaying a route in use, a demultiplexer 1430, and the like. and a controller 1420 serving to communicate with the main control device 6000 , a communication line for communication with the main control device 6000 , a power line for supplying power to the controller 1420 , and a power supply unit.
- the number of LEDs 1440 indicating the connection path may be provided corresponding to the plurality of switches 1600 .
- the wires 750 , 760 , 770 , and 780 connected from the outside to the multi-connection switch 700 are connected to the internal wires 1500 of the multi-connection switch 700 .
- Three internal wires 1510 , 1520 , 1530 ( 1550 , 1520 , 1560 ) ( 1560 , 1540 , 1510 ) ( 1530 , 1540 , 1550 ) may be connected to each of the wires 750 , 760 , 770 , and 780 .
- two switches 1600 may be disposed between the two sockets 1410 . That is, two switches 1600 may be disposed per one path 1510 , 1520 , 1530 , 1540 , 1550 , and 1560 .
- the wires 750, 760, 770, and 780 each have three paths 1510, 1520, 1530, 1550, 1520, 1560, 1560, 1540, 1510, 1530, 1540, 1550 that can be selected. It is connected to the switch 1600, therefore, depending on the state of the switches 1600 connected to each of the wires 750, 760, 770, 780, the multi-connection switch 700, the upper-lower 1520, the left -Right 1540, left-top 1510, left-bottom 1560, right-top 1530, right-bottom 1550, a total of six paths can be formed.
- two paths may be formed so as not to overlap each other, and other switches connected to wires connected when the six basic paths are formed and the three types of two paths are formed remain OFF.
- the external electric wire 750 connected to the first socket 1410a is connected to the second socket 1410b and the external electric wire 770 by a left-upper (1510) path, and a fourth through an upper-lower (1520) path. It is connected to the socket 1410d and the external electric wire 760, and is connected to the third socket 1410c and the external electric wire 780 through the right-upper 1530 path.
- the external electric wire 770 connected to the second socket 1410b is connected to the first socket 1410a and the external electric wire 750 through a left-upper 1510 path, and a third through a left-right 1540 path. It is connected to the socket 1410c and the external electric wire 780 , and is connected to the fourth socket 1410d and the external electric wire 760 through the left-lower 1560 path.
- the external electric wire 780 connected to the third socket 1410c is connected to the first socket 1410a and the external electric wire 750 by a right-upper 1530 path, and is connected to the left-right 1540 by a second path. It is connected to the socket 1410b and the external electric wire 770 , and is connected to the fourth socket 1410d and the external electric wire 760 through the right-lower 1550 path.
- the external electric wire 760 connected to the fourth socket 1410d is connected to the first socket 1410a and the external electric wire 750 through an up-down 1520 path, and a third through a right-down 1550 path. It is connected to the socket 1410c and the external electric wire 780 , and is connected to the second socket 1410b and the external electric wire 770 through the left-lower 1560 path.
- the power supply unit may be omitted, and the LED 1440 is also used to indicate the path being used, but may be omitted. have.
- communication between the multiple access switch 700 and the main control device 6000 may use various wired/wireless communications such as USART, RS232, CAN, LAN, LIN, WiFi, Bluetooth, and Zigbee as well as RS485 communication.
- wired/wireless communications such as USART, RS232, CAN, LAN, LIN, WiFi, Bluetooth, and Zigbee as well as RS485 communication.
- the switch 1600 may use EV Relays (DC Contactor) used in the charger of an electric vehicle, or a separate switch suitable for the multi-connection switch 700 may be manufactured and used, and the power request operation unit 3000 It can be selected according to the output voltage of the DC/DC converter configured in the , and the maximum output current.
- EV Relays DC Contactor
- a path is formed by controlling the multi-connection switch 700 in advance, and when the path formation is completed, the disconnection switch 3012 is turned ON to supply power and After the charging is completed, the disconnection switch 3012 is turned off and the path formation is released. Accordingly, problems such as arcs can be prevented in advance.
- two switches are used in one path 1510 , 1520 , 1530 , 1540 , 1550 , and 1560 . Accordingly, if one switch fails in a certain path, problems that may occur due to switch failure can be prevented by controlling the other switch.
- a device such as the demultiplexer 1430 may be used to control the switch 1600 .
- the multiple access switch 700 may include a plurality of demultiplexers 1430 connected to the plurality of switches 1600 by a control line and operating the switches 1600 according to the control of the controller 1420 .
- an element such as a demultiplexer 1430 may be omitted, and may be configured differently depending on elements used to implement the multiple access switch 700 .
- 5A is a road showing an embodiment according to the present invention.
- the multiple access switch 700 may be implemented in various ways.
- FIG. 5B is a diagram illustrating an example in which only switches necessary for path formation are used in the configuration of FIG. 5A.
- one switch 1600 may be disposed between the two sockets 1410 . That is, one switch 1600 may be disposed per one path 1510 , 1520 , 1530 , 1540 , 1550 , and 1560 .
- FIG. 5A shows that a switch is additionally configured in the multiple access switch 700 to prevent problems such as failure, but if a problem such as a failure is prevented or blocked when a problem occurs in a place other than the multiple access switch 700 If this is configured, as shown in FIG. 5B , the switch can be configured using only the number necessary for path formation.
- FIG. 5C is a diagram illustrating an example in which the demultiplexer 1430 is omitted from the configuration of FIG. 5B.
- the plurality of switches 1600 and the controller 1420 may be directly connected with a control line.
- the demultiplexer 1430 may be used when the I/O for controlling the switch 1600 in the controller 1420 is insufficient. If the I/O of the controller 1420 for controlling the switch 1600 is sufficient, the demultiplexer 1430 may be omitted as shown in FIG. 5C . Also, if the switch control voltage level for operating the switch 1600 is different from the I/O output voltage level of the controller 1420 , a circuit for additionally operating the switch 1600 may be configured.
- the wires connected between the sockets 1410a, 1410b, 1410c, and 1410d, the switch 1600, and the switches 1600 may be designed as PCB wires, and the magnitude of the current flowing in the wires Therefore, it can be used by directly connecting a separate wire rather than a PCB wire through soldering.
- the charging adapters 5015 may be disposed between the two multi-connection switches 700 , respectively. Also, between the two multi-connection switches 700 , a plurality of charging adapters 5015 may be disposed.
- 5D is a diagram illustrating an example of a structure of a multi-access switch configured to have the same number of switches and the same number of paths and to connect two lines according to another embodiment of the present invention.
- the plurality of switches 1600 and the controller 1420 may be directly connected with a control line.
- the magnitude of the current flowing through the multi-connection switch 700 in FIG. 13D is large, it can be configured as a separate line instead of the PCB wiring, and can reduce the contact resistance generated when the plurality of switches 1600 are connected.
- busbar type for 13D shows the inside of a multi-connection switch 700 constructed using a copper bus bar, and the arrangement is only one example according to the present invention, or a different type of material that can reduce the contact resistance other than the copper bus bar. can be configured using
- various methods of increasing the contact area by filling the space between the electric wire and the copper bus bar with a metal filler may be used.
- a method of lowering the contact resistance by instantaneously spraying lead or an alloy (amalgam, etc.) having a relatively low melting point at a high pressure into the empty space between the electric wire and the copper bar may be used.
- FIG. 6A is a diagram illustrating an example in which one charging adapter 5015 is installed on one parking surface 80 according to an embodiment of the present invention. For example, if the total number of parking surfaces 80 of a parking lot configured with a charging system according to the present invention is 500, 500 of the charging adapters 5015 may be installed.
- the number of the charging adapters 5015 may be less than the number of the parking surfaces 80 .
- 200 charging adapters 5015 may be installed. That is, the charging adapter 5015 may be configured differently depending on the situation of the corresponding parking lot when configuring the charging system according to the present invention.
- Figure 6b is a road one charging adapter 5015 showing an example when one charging adapter 5015 is installed between the two parking surfaces 80 according to an embodiment of the present invention is two parking surfaces ( 80) can be used to charge any one of the electric vehicles.
- FIG. 6b shows an example of installing one charging adapter 5015 between two parking surfaces 80, but this shows a configuration according to an embodiment of the present invention, and one charging adapter ( 5015 ) may cover a greater number of parking surfaces 80 .
- the charging adapter 5015 is connected with a single line between the two multi-connection switches 700 , but several charging adapters 5015 may be connected to each other.
- the number of the charging adapters 5015 is several, the charging adapter 5015 actually used for charging is one of them, and the other charging adapters 5015 may not be used for charging.
- the number of the charging adapters 5015 is regarded as one even if several charging adapters are provided.
- One charging trolley 9000 may be charged first, and the other charging trolley 9000 may be charged when the charging of the charging trolley 9000 is completed or the charging end time is reached. That is, even if the charging adapters 5015 are connected to all charging carts 9000, they can be charged one by one according to priority.
- the charging adapters 5015 may be provided to be detachably attached to the wire network (5000).
- the charging adapters 5015 may be detachably provided in the socket of the wire network 5000 . Heeja Chung dislikes a charging adapter that conforms to the charging protocol of her electric vehicle, and can use it by connecting it to the electric wire network 5000 .
- FIG. 7A is a diagram illustrating an example in which two requested power operation units are independently configured according to an embodiment of the present invention.
- the total number of parking surfaces 80 is 32
- the number of multi-connection switches 700 used is 60
- the first request power control unit It consists of 4 D/Ds of 3010 and 4 D/Ds of the second requested power operation unit 3020.
- the length of the electric wire used to form the electric wire network 5000 in the parking lot is about 998m, and the path to any point is
- the number of multiple access switches 700 required to form a is 4 on average, from a minimum of two to a maximum of six.
- the multi-connection switch 700 is basically installed on the parking surface, it may be additionally installed in a position such as a passage in order to increase the number of cases for forming an optimal path.
- a total of 12 multiple access switches 700 were additionally installed to form a path.
- the parking lot was composed of 2.3m X 5.0m, which is the minimum standard for general parking unit division, and 6 meters for the roadway and 0.5m for the pillar according to the perpendicular parking standard, which is only one configuration according to an embodiment of the present invention, parking lot design
- the length can be changed according to the standards at the time, and it can be designed to be larger than the minimum standard for an extended parking unit division, not the minimum standard for a general type parking unit division.
- ring Terminals crimping part inner diameter outside diameter Total length length inner diameter outside diameter 25SQ wire and ring type Use of crimp terminals 8.5mm 16mm 32mm 11.5mm 7.5mm 10mm 100SQ wire and Ring type crimp terminal 12.9mm 24mm 49.5mm 19.5mm 15.6mm 20mm 100SQ wire and Using copper busbars 20x3 mm2
- a current of 125A was supplied using a 100SQ wire and a ring-type crimp terminal in a charging system using an electric vehicle charger, and the measured voltage drop by the wire was 0.02V/m on average, and per one multi-connection switch 700 The generated voltage drop was measured to be 0.05V on average.
- a contact resistance of 0.0204 ⁇ occurs, resulting in an average measured voltage drop of 2.55V, and an average voltage drop per 25m is 3.1V. was measured with
- a 125A current was supplied using a 100SQ wire and a copper bus bar in a charging system using an electric vehicle charger, and the voltage drop by the measured wire was 0.02V/m on average, and the The voltage drop was measured to be 0.05V on average.
- a contact resistance of 0.0105 ⁇ occurs, resulting in an average voltage drop of 1.31V, and a voltage drop of 1.86V per 25m on average. was measured and the contact resistance may vary depending on the thickness of the wire and the contact area of the crimped terminal.
- the average length of the wire used for path formation is from about 0.16V to about 0.5V from a minimum of 8m to a maximum of 25m, and the voltage drop by the relay is 0.05V per unit.
- the voltage drop due to the length of the relay and the voltage drop due to the relay are measured to a level that can be sufficiently compensated.
- the parking lot may be a parking lot of a multi-family house such as an apartment or a villa, a paid/free parking lot, a public parking lot, a parking lot of a rest area, a commercial charging station, etc.
- a multi-family house such as an apartment or a villa
- a paid/free parking lot such as a public parking lot
- a parking lot of a rest area such as a commercial charging station, etc.
- renewable energy generation such as solar power generation.
- FIG. 7B is a view showing an example of a configuration in which multiple access switches 700 located on adjacent parking surfaces are bundled into one line and managed in units of multiple access switch lines according to an embodiment of the present invention.
- adjacent multiple access switches 700 are horizontal, one horizontal line is bundled into one multiple access switch line and managed.
- the multiple access switch line forms or cancels a path by controlling the multiple access switches 700 through communication with a control device (server, PC, etc.).
- a control device server, PC, etc.
- the communication method used when the multiple access switch line communicates between the multiple access switch 700 or the multiple access switch line and the control device (server, PC) is RS485, P-NET, R-NET, PLC, Various methods for wired communication or wireless communication such as CAN, LAN, LIN, Bluetooth, Zigbee, and Beacon may be used.
- FIG. 7c is a diagram illustrating an example of a configuration for managing adapters or adapter storage boxes located on adjacent parking surfaces in a single line in units of adapters or adapter storage boxes according to an embodiment of the present invention.
- adapters or adapter storage boxes are installed one by one on each parking surface.
- the adapter can be installed directly without the adapter holder, but you can install an adapter holder that includes a separate adapter.
- the adapter or adapter storage box may serve to supply or block electric power supplied from the charger through a path formed by using the multiple access switch 700 to the electric vehicle.
- the adapter or adapter storage box continuously monitors electric vehicle battery information, etc. through the communication line of the adapter connected to the electric vehicle. It continuously communicates by sending it to the control device (server, PC). If an emergency situation occurs or a separate charging stop request is received, information is exchanged with the control device (server, PC) quickly.
- adapter or adapter storage line manage with In the above adapter or adapter storage line, 4 is described, but this is only an example according to an embodiment and may be more or less.
- the communication method used when the adapter or adapter storage line communicates between the adapter or the adapter storage box or the adapter or adapter storage line and the control device (server, PC) is RS485, P-NET, R-NET, PLC, Various methods for wired communication or wireless communication such as CAN, LAN, LIN, Bluetooth, Zigbee, and Beacon may be used.
- FIG. 8A is a diagram illustrating an example in which two requested power operation units are independently configured according to an embodiment of the present invention.
- electric vehicles and internal combustion engine vehicles can be freely parked, and the total parking surface 80 is 80, and the number of multiple access switches 700 used is 116.
- 2 D/Ds of the first power request operation unit 3010, 2 D/Ds of the second power request operation unit 3020, 2 D/Ds of the third power request operation unit 3030, and a fourth request operation unit (3040) consists of two D/Ds
- the length of the electric wire used to form the electric wire network 5000 in the parking lot is about 2,315 m
- the number of multiple connection switches 700 required to form a route to an arbitrary point is average. 6, with a minimum of 2 and a maximum of 10.
- the multi-connection switch 700 is basically installed on the parking surface, it may be additionally installed in a position such as a passage in order to increase the number of cases for forming an optimal path.
- a total of 20 multiple access switches 700 were additionally installed to form a path.
- the parking lot was composed of 2.3m X 5.0m, which is the minimum standard for general parking unit division, and 6 meters for the roadway and 0.5m for the pillar according to the perpendicular parking standard, which is only one configuration according to an embodiment of the present invention, parking lot design
- the length can be changed according to the standards at the time, and it can be designed to be larger than the minimum standard for an extended parking unit division, not the minimum standard for a general type parking unit division.
- the parking lot may be a parking lot of a multi-family house such as an apartment or a villa, a paid/free parking lot, a public parking lot, a parking lot of a rest area, a commercial charging station, etc.
- a multi-family house such as an apartment or a villa
- a paid/free parking lot such as a public parking lot
- a parking lot of a rest area such as a commercial charging station, etc.
- renewable energy generation such as solar power generation.
- FIG. 8B is a view showing an example of a configuration in which multiple access switches 700 located on adjacent parking surfaces are bundled into one line and managed in units of multiple access switch lines according to an embodiment of the present invention.
- adjacent multiple access switches 700 are horizontal, one horizontal line is grouped into one multiple access switch line and managed.
- the multiple access switch line forms or cancels a path by controlling the multiple access switches 700 through communication with a control device (server, PC, etc.).
- a control device server, PC, etc.
- the communication method used when the multiple access switch line communicates between the multiple access switch 700 or the multiple access switch line and the control device (server, PC) is RS485, P-NET, R-NET, PLC, Various methods for wired communication or wireless communication such as CAN, LAN, LIN, Bluetooth, Zigbee, and Beacon may be used.
- 8C is a diagram illustrating an example of a configuration in which adapters or adapter storage boxes located on adjacent parking surfaces are bundled into one line and managed in units of adapters or adapter storage boxes according to an embodiment of the present invention.
- adapters or adapter storage boxes are installed one by one on each parking surface.
- the adapter can be installed directly without the adapter holder, but you can install an adapter holder that includes a separate adapter.
- the adapter or adapter storage box may serve to supply or block electric power supplied from the charger through a path formed by using the multiple access switch 700 to the electric vehicle.
- the adapter or adapter storage box continuously monitors electric vehicle battery information, etc. through the communication line of the adapter connected to the electric vehicle. It continuously communicates by sending it to the control device (server, PC). If an emergency situation occurs or a separate charging stop request is received, information is exchanged with the control device (server, PC) quickly.
- adapter or adapter storage line manage with In the above adapter or adapter storage line, 4 is described, but this is only an example according to an embodiment and may be more or less.
- the communication method used when the adapter or adapter storage line communicates between the adapter or the adapter storage box or the adapter or adapter storage line and the control device (server, PC) is RS485, P-NET, R-NET, PLC, Various methods for wired communication or wireless communication such as CAN, LAN, LIN, Bluetooth, Zigbee, and Beacon may be used.
- FIG. 9A is a flowchart illustrating a method of compensating for a voltage drop that varies according to path formation in the electric vehicle charging system of the present invention.
- the voltage is measured at the adapter or adapter holder.
- the measured voltage is compared with the battery voltage required for charging the connected electric vehicle, and if it is higher or lower than the battery voltage required for charging, the charger adjusts the insufficient voltage using a control device (server, PC).
- the charger is not a fixed voltage, but is configured to control the output, for example, 370V to 410V, and if the voltage measured by the adapter or adapter storage box is low, the insufficient voltage is added and supplied from the charger. If the voltage measured by the adapter or adapter storage box is high, the excess voltage is subtracted and supplied by the charger.
- 9B is a flowchart illustrating a method of compensating for a voltage drop that varies according to path formation in an electric vehicle charging system of the present invention according to another embodiment.
- a charging path is formed in the system and charging is started, information such as voltage and current of the battery is received from the electric vehicle connected to the charging adapter and compared with the battery voltage required for charging the electric vehicle, it is higher or lower than the battery voltage required for charging.
- the charger adjusts the insufficient voltage using the control device (server, PC).
- the charger is not a fixed voltage, but is configured to control the output, for example, 370V to 410V, and if the voltage received from the battery is lower than the voltage required for charging the battery, the insufficient voltage is added and supplied from the charger. If the voltage received from the battery is higher than the voltage required to charge the battery, the excess voltage is subtracted and supplied from the charger.
- 9C is a flowchart illustrating a method of compensating for a voltage drop that varies according to path formation in an electric vehicle charging system of the present invention according to another embodiment.
- the measured voltage is compared with the battery voltage required for charging the connected electric vehicle. Controlled by the charger.
- the charger is not a fixed voltage, but is configured to control the output, for example, 370V to 410V, and if the voltage measured by the adapter or adapter storage box is low, the insufficient voltage is added and supplied from the charger. If the voltage measured by the adapter or adapter storage box is high, the excess voltage is subtracted and supplied by the charger.
- FIGD is a flowchart illustrating a method of compensating for a voltage drop that varies according to path formation in an electric vehicle charging system of the present invention according to another embodiment.
- an automatic voltage regulator (AVR) is additionally configured between the transformer and the AC/DC converting system 2000. AVR) can be used to compensate for the voltage drop.
- the voltage is measured at the adapter or adapter holder.
- the measured voltage is compared with the battery voltage required for charging the connected electric vehicle, and if it is higher or lower than the battery voltage required for charging, the insufficient voltage is transmitted to the automatic voltage regulator (AVR) using a control device (server, PC).
- the automatic voltage regulator (AVR) may adjust the magnitude of the AC voltage output according to the control signal input from the control device (server, PC), and accordingly, the DC voltage converted in the AC/DC converting system 2000 .
- the magnitude and magnitude of the output voltage of the charger can be adjusted.
- the output of the charger is not a fixed voltage, for example, if the voltage output from the automatic voltage regulator (AVR) is 380V to 420V, the output voltage of the AC/DC converting system 2000 is 370V to 410V, and accordingly the output of the charger can be configured so that the output voltage of the charger can be adjusted according to the magnitude of the voltage input to the charger through the AC/DC converting system 2000 so that the variable voltage of the automatic voltage regulator (AVR) is 370V to 410V, and if the adapter Alternatively, if the voltage measured in the adapter storage box is low, the voltage is added by the insufficient voltage and supplied by the automatic voltage regulator (AVR). If the voltage measured by the adapter or adapter storage is high, the excess voltage can be subtracted and supplied by the automatic voltage regulator (AVR).
- the output voltage of the automatic voltage regulator is 380V to 420V
- the output voltage of the AC/DC converting system 2000 is 370V to 410V
- the output voltage of the charger is 370V to 410V. This is only a numerical value for explaining the present invention, and the output voltages may be changed as needed.
- a regulator A regulator
- FIG. 10A shows an example in which the AC/DC converting system 2000 consists of five first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050
- FIG. 10b is an embodiment of the present invention.
- An example of the case in which the AC/DC converting system 2000 according to the example is configured as one is shown.
- the AC/DC converting system 2000 is configured in five pieces, but more or fewer AC/DC converting systems may be configured in some cases.
- the AC/DC converting system 2000 primarily converts AC power received from the transformer 1000 into DC power to be supplied to the DC power delivery system 500a. Since the power supplied from the outside through the transformer 1000 is unstable, if it is used as it is, problems such as malfunction or deterioration may occur due to the unstable power source. However, it is not excluded that a plurality of AC/DC converting systems 2000 may be used without directly omitting the DC/DC converting system according to the development of technology.
- AC/DC converting system 2000 AC power is primarily converted to DC power, and the converted DC power is converted into DC/DC in the DC/DC converter group 40 of the request power operation unit 3000 through DC/DC conversion.
- the power supply is stabilized and can be used when charging the charging cart 9000 .
- the number of AC/DC converting systems 2000 should be equal to or smaller than the number of DC/DC converters in the DC/DC converter group 40 .
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 of FIG. 10A may all use DC power of the same size, or DC power sources of different sizes may be used as needed. .
- the first AC/DC converting system 2010 converts to DC 400V and supplies it to the first DC power delivery system 510a
- the second and third AC/DC converting systems 2020 and 2030 are DC
- the fourth and fifth AC/DC converting systems 2040 and 2050 are converted to 1000V and the fourth and fifth DC power delivery systems ( 540a, 540) can be supplied.
- the DC power of the first to fifth AC/DC converting systems (2010, 2020, 2030, 2040, 2050) is in consideration of the battery charging voltage of the charger 9000 sold in addition to the 400V, 800V and 1000V described in the above example. can be selected.
- the AC/DC converting system 2000 is the DC power delivery system 500a's request power operation unit 3000.
- the portion indicated as the DC power delivery system 500a in FIGS. 10A and 10B may be replaced with the DC/DC converter group 40 of the request power operation unit 3000 to be displayed.
- FIG. 11A shows an example of a case in which the requested power operation unit 3000 of the DC power delivery system 500a according to an embodiment of the present invention is configured as one, and FIG. 11B shows the requested power operation unit 3000 is the AC/DC converting system.
- (2000) shows an example in which five first to fifth requested power operation units 3010, 3020, 3030, 3030, 3040, and 3050 are configured in one. In the above embodiment, five are configured, but in some cases, more or fewer may be configured.
- 11c shows the first to fifth requested power operation units 3010 in the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 by the requested power operation unit 3000 according to an embodiment of the present invention.
- 3020, 3030, 3040, and 3050 are each connected one by one. In the above embodiment, five are configured and connected respectively, but more or fewer may be configured in some cases.
- the first to fifth AC/DC converting systems 2010, 2020, 2030, 2040, and 2050 have first to fifth requested power operation units 3010, 3020, 3030, 3040, and 3050, respectively, one by one.
- a plurality of requested power operation units 3000 may be connected to one AC/DC converting system 2000 like the requested power operation unit (a) of FIG. 11B .
- 11D shows an example when the first to fifth requested power operation units 3010, 3020, 3030, 3040, and 3050 can exchange power with each other. or less configurable.
- the change in the number of the requested power operation units 3000 connected to the AC/DC converting system 2000 is one of the DC power delivery system 500a, one of the requests.
- FIG. 11D it may mean that the requested power operation units 3000 belonging to one DC power delivery system 500a can exchange power with each other, but the requested power belonging to several DC power delivery systems 500a. It may also mean that the operation units 3000 can exchange power with each other.
- 11E is a diagram illustrating an AC/DC converting system and a DC/DC converter group 3200 configured as an example in which the AC/DC converting system 2000 is included in the requested power operation unit 3000 .
- the AC/DC converting system 2000 and the requested power operation unit 3000 of the detailed system configuration diagram according to the present invention of FIGS. 4A, 4B and 4C are configured as one as shown in FIG. 11E AC/DC converting system and DC/DC
- the DC converter group 3200 may be configured as one, and the number of D/Ds of the DC/DC converter group 40 and the number of disconnection switches 3012 may be one or several.
- the power request operation unit 3000 may include a current fixed D/D 3011 and a disconnection switch 3012 .
- Heeja Chung can select a charging rate (requested power) that can be provided by the current fixed D/D 3011, and the number of the current fixed D/D 3011 is the same. It may vary depending on the number of vehicles capable of simultaneous charging in the charging system according to the present invention, and the size of the charging speed (requested power) of the current fixed D/D 3011 may be the same, but may be configured differently.
- the slow speed means that the power supply speed is relatively slow.
- 20KW or 25KW can be referred to, and those skilled in the art can select variously according to the situation.
- a device such as a DC circuit breaker for blocking the fault current may be added, and a reverse current relay, a ground fault relay, and a residual current device may be added. Devices that can prevent accidents that can be shown while using DC power, such as the like, may be additionally used.
- D/D is used for DC/DC conversion in addition to AC/DC conversion after DC/DC conversion (step-up, step-down, stabilization, etc.) and DC/AC conversion (step-up or step-down) according to design advantages or circumstances. It may include various design methods or configurations.
- the current fixed D/D 3011 and the current variable D/D 3031 are separately configured within the DC/DC converter group 40 of the requested power control unit 3000 .
- the number of simultaneous charging electric vehicles is 60 and for rapid charging, 10 100 kW class D/Ds and 20 50 kW class D/Ds , assuming that there are 20 40kW-class D/Ds and 15 10kW-class D/Ds for slow charging, a total of 65 including spares, 5 100kW-class D/Ds, 20 50kW-class D/Ds, 40kW If 20 D/Ds and 15 10kW-class D/Ds are used, the power used is 2,450kW, and 60 D/Ds can be used to charge 60 electric vehicles.
- the number of simultaneous charging electric vehicles is 60 Only the land can charge 50 electric vehicles, as the allowable power cannot exceed 2,500 kW.
- a larger number of D/Ds are configured than the number of simultaneous charging electric vehicles as in the above embodiment, it may be equal to or less than the number of simultaneous charging electric vehicles depending on the amount of power used in the system.
- the above embodiment is an example of the number of simultaneous charging electric vehicles and the number of D/Ds, and is not limited to the charging speed or number of D/Ds mentioned in the above embodiment.
- the classification of fast charging and slow charging may vary depending on the standards of each country or the electric vehicle to be charged.
- Figure 12b shows the configuration (b) of the DC / DC converter
- the power request operation unit 3000 is a current fixed type D / D (3011), a current fixed type D / D (3022) for parallel connection, a disconnection switch (3012), It may be configured to include a multiple access switch (700).
- the second DC/DC converter group 42 of FIG. 12B is the current fixed D/D 3011 in FIG. 12A to compensate for the disadvantage that it can supply only the charging speed (requested power) that can be provided by the fixed current D/D 3011.
- the fixed current D/D 3022 for parallel connection to the D 3011 in parallel, more various charging rates (requested power) can be supplied through the combination of the two D/Ds.
- the charging rate (requested power) supplied from the current fixed D/D 3022 for parallel connection to the charging rate (requested power) of the current fixed D/D 3011 through the control of the multiple access switch 700 can be supplied together.
- the current fixed D/D 3011 and the current fixed D/D 3022 for parallel connection may be configured with charging rates (requested power) of various sizes, and the This combination has the advantage of being able to supply the desired charging speed (requested power) as much as possible.
- the number of the fixed current D/D 3011 and the fixed current D/D 3022 for parallel connection may vary depending on the number of vehicles capable of simultaneous charging in the charging system according to the present invention.
- the current fixed D/D 3011 of the second DC/DC converter group 42 is selected, or the current fixed D/D 3011 ) and the current fixed D/D 3022 for the parallel connection, the charging speed (requested power) requested by Chung-hee can be selected.
- an optimal path is formed from the electric wire network 5000 in the parking lot to the location of the charging truck 9000, and when the path is completed, the disconnection connection switch 3012 of the request power control unit 3000 is turned ON to charge Speed (requested power) can be supplied.
- the power request operation unit 3000 may include a current variable D/D 3031 and a disconnection switch 3012 .
- Heeja Chung can select a charging speed (requested power) within the maximum output current of the current variable D/D 3031, and By adjusting the output current, it is possible to supply the charging speed (requested power) of Chung Heeja.
- the number of the current variable D/D 3031 may vary depending on the number of vehicles capable of simultaneous charging in the charging system according to the present invention, and the advantage of being able to satisfy all of the charging speed (requested power) requested by the Chung-hee have.
- the output current of the current variable D/D 3031 varies according to the charging speed (requested power) of Heeja Chung, and the charging vehicle ( 9000), and when the formation of the path is completed, the disconnection connection switch 3012 of the requested power operation unit 3000 is turned on to supply a charging speed (requested power).
- 12D shows the configuration (d) of the DC/DC converter, and the power request operation unit 3000 is configured to include a current variable D/D 3031, a current fixed D/D 3011, and a disconnection switch 3012.
- the current fixed D/D 3011 is selected according to the charging speed (requested power) of the user to supply the charging rate (requested power), or the current variable D/D ( 3031), the charging speed (requested power) can be supplied by adjusting the output current.
- the fourth DC/DC converter group 44 has the advantage of being able to satisfy both the low-cost, fixed current D/D 3011 of FIG. 12A and the power requested by Chung-Hee, the current variable D/D of FIG. 12C ( 3031), it can be configured to satisfy the charging speed (requested power) requested by Chung-hee at a relatively low cost.
- the number of the current variable D/D 3031 and the current fixed D/D 3011 may vary depending on the number of vehicles capable of simultaneous charging in the charging system according to the present invention, and the current fixed D/D 3011 ) of the charging speed (requested power) may all have the same size, but may be configured differently.
- the current fixed D/D 3011 corresponding to the charging speed (requested power) of the fourth DC/DC converter group 44 is selected or the current variable D/D 3031 is selected. ) of the output current can be varied.
- an optimal path is formed from the electric wire network 5000 in the parking lot to the location of the charging truck 9000, and when the path is completed, the disconnection connection switch 3012 of the request power operation unit 305. is turned on. It can supply the charging speed (requested power).
- FIG. 13A is a diagram illustrating a case in which the AC/DC converting system 2000 and the power request operation unit 3000 are located outside a parking lot according to an embodiment of the present invention.
- “outside” means a separate space other than the area of the corresponding parking lot, which can be a facility space that can separately configure the AC/DC converting system 2000 and the requested power operation unit 3000 near the parking lot. have.
- the separate space may include an area excluding the area of the parking lot in which the AC/DC converting system 2000 and the requested power operation unit 3000 are responsible for charging in the entire area of the parking lot, and there is a space separate from the parking lot. it might be
- FIG. 13B is a diagram illustrating an example of a case in which the AC/DC converting system 2000 according to an embodiment of the present invention is configured outside a parking lot, and the power request operation unit 3000 is configured in an area of a parking lot responsible for charging.
- the request power operation unit 3000 may be installed using a part of the parking area or a separate facility space in the parking lot when configuring the parking lot, and may be installed in the space between the parking lot pillars as shown in FIG. 7A .
- the requested power operation unit 3000 is two, but this is only a configuration according to an embodiment of the present invention, and may be configured more or less in consideration of the maximum number of simultaneous charging units.
- FIG. 13C is a diagram illustrating an example in which the AC/DC converting system 2000 and the requested power operation unit 3000 are configured in the area of a parking lot in charge of charging according to an embodiment of the present invention.
- the AC/DC converting system 2000 and the power request operation unit 3000 may be installed using a part of the parking area or a separate facility space in the parking lot when configuring the parking lot, and may be installed in the space between the parking lot pillars as shown in FIG. 7A . may be
- the AC/DC converting system 2000 and the requested power operation unit 3000 are respectively installed in FIG. 13C
- the AC/DC converting system 2000 is included in the requested power operation unit 3000 as shown in FIG. 11E .
- the AC/DC converting system and DC/DC converter group 3200 composed of one may be installed.
- the shape of the parking lot in FIGS. 13A, 13B, and 13C is merely a shape according to an embodiment of the present invention and may vary depending on the shape of each parking lot, and in a newly constructed parking lot or a parking lot in a building, an embodiment of the present invention In order to efficiently use the charging system according to the present invention, it may be configured by designing an optimal position in advance.
- the electric vehicle charging system may include a plurality of requested power operation units 3000 , and a charging area corresponding to each requested power operation unit 3000 may be configured separately.
- the electric vehicle charging system may include a plurality of requested power operation units 3000 , and a portion of charging areas corresponding to the plurality of requested power operation units 3000 may overlap.
- FIG. 14A is a diagram illustrating a case in which there are two requested power operation units 3000 according to an embodiment of the present invention, and the charging areas 3010S and 3020S that each of the requested power operation units 3010 and 3020 are responsible for do not overlap and are separated. .
- the positions of the power request operation unit 3000 in FIG. 14A are at the top and the bottom, this is only a configuration according to an embodiment of the present invention, and may vary depending on the space or optimal location where installation is possible, such as left and right sides, corners, and the center. .
- the number of D/Ds in the requested power control unit 3000 may be configured differently depending on the expected number of electric vehicles compared to the total number of parking available in the parking lot, and the charging rates of the D/Ds may all be the same, It may be configured differently depending on the configuration. For example, not only the number of D/Ds but also the charging speed can be configured in various ways, such as 30% of D/Ds corresponding to fast charging and 10% of D/Ds capable of slow charging compared to the total number of parking spaces available. .
- the charging area 3010S in charge of the first requested power operation unit 3010 and the second requested power operation unit 3020 are in charge It may include a charging region 3020S and an overlapping charging region 90 .
- the positions of the power request operation unit 3000 in FIG. 14B are at the top and the bottom, this is only a configuration according to an embodiment of the present invention, and may vary depending on the space or optimal location in which installation is possible, such as left and right sides, corners, and the center. .
- FIG. 14B illustrates a case in which the charging area covered by the request power operation unit 3000 partially overlaps, this is only a configuration according to an exemplary embodiment of the present invention. Therefore, depending on the situation of the parking lot, the power request operation unit 3000 is installed separately, but the charging area in charge is not part of the charging area, but the entire area can be shared.
- 14c is a case in which there are three requested power operation units 3000 according to an embodiment of the present invention, and charging areas 3010S, 3020S, and 3030S that each of the requested power operation units 3010 , 3020 and 3030 are responsible for do not overlap and are separated from each other.
- all voltages used for charging in each of the requested power operation units 3000 may be configured to be the same or configured differently.
- the first power request operation unit 3010 may configure the charging voltage as 400V
- the second power request operation unit 3020 as the charging voltage as 800V
- the third power request operation unit 3030 as 1000V. This means that it can be configured in various ways according to the charging voltage of the electric vehicle, and it can be installed in consideration of this when installing the charging system according to the present invention.
- 14d is a diagram illustrating a case in which there are three requested power operation units 3000 according to an embodiment of the present invention, and charging areas 3010S, 3020S, and 3030S that each of the requested power operation units 3010, 3020, 3030 are responsible for partially overlap to be.
- the charging area 3010S in charge of the first power request operation unit 3010 and the second power request operation unit 3020 are in charge.
- the positions of the power request operation unit 3000 are at the top, left, and right, but this is only a configuration according to an embodiment of the present invention, and may vary depending on a space or an optimal location that can be installed in more various positions.
- FIG. 14d shows a case where the charging area covered by the request power operation unit 3000 overlaps only in part, this is only a configuration according to an embodiment according to the present invention, and the request power operation unit 3000 according to the situation of the parking lot. are installed separately, but the charging area in charge is not part of the charging area, but shares the entire area and can be in charge.
- FIG. 14e shows four requested power operation units 3000 according to an embodiment of the present invention, and charging areas 3010S, 3020S, 3030S, and 3040S that each of the requested power operation units 3010 , 3020 , 3030 , 3040 are responsible for do not overlap. It is a diagram showing a case of separation.
- the power request operation unit 3000 is installed at each corner, but this is only a configuration according to an embodiment of the present invention and may vary depending on a space or an optimal location where it can be installed in more various locations.
- 14f shows four requested power operation units 3000 according to an embodiment of the present invention, and charging areas 3010S, 3020S, 3030S, and 3040S that each of the requested power operation units 3010 , 3020 , 3030 , 3040 are responsible for partially overlap. It is a diagram showing a case including the area (90). In FIG. 14F , the positions of the power request operation unit 3000 are at the top, left, and right, but this is only a configuration according to an embodiment of the present invention, and may vary depending on a space or an optimal location that can be installed in more various positions.
- the case where there are two to four power request operation units 3000 is exemplified, but this is only a configuration according to an embodiment according to the present invention, and the requested power operation unit 3000 may be composed of one may or may consist of a larger number.
- the AC/DC converting system 2000 may be configured in plurality as shown in FIG. 10A or may be configured as one as shown in FIG. 10B. can This may vary depending on the number of parking surfaces 80 or the amount of power required for the power request operation unit 3000, and may be installed by calculating the optimal number when installing the charging system according to the present invention in the parking lot.
- the overlapping charging areas 90 are respectively indicated in FIGS. 14B, 14D, and 14F, this is an example according to an embodiment of the present invention.
- the shape or size of the overlapping charging region 90 may vary due to various factors, such as a location where the 5000 is connected, and the charging region overlaps the whole instead of a part.
- 15A is a diagram illustrating a case in which the multiple access switch 700 according to an embodiment of the present invention is configured only on the parking surface 80 .
- the multiple access switch 700 when configured, if there is no problem in forming a path from the request power operation unit 3000 to the parking surface 80 where the charging truck 9000 is located, the multi There is an advantage that the number of connection switches 700 can be reduced.
- FIG. 15A an example of a case in which multiple access switches 700 are installed on all parking surfaces 80 and wires are connected to all of the multiple access switches 700, but as shown in FIGS. 14A, 14C and 14E
- all multi-connection switches 700 are not connected with wires, and wires are connected or not connected depending on the charging area. It can also be configured without, the number of multiple access switches 700 should be equal to or greater than the number of adapters for charging (5015).
- FIG. 15B shows an example in which the multiple access switch 700 according to an embodiment of the present invention is additionally installed in a space other than the parking surface 80, such as a passage.
- the multi-connection switch 700 is additionally configured not only in the parking surface 80 but also in a space such as a passage, the parking where the charging vehicle 9000 is located in the request power operation unit 3000
- the voltage drop according to the length of the wire and the number of multi-connection switches 700 according to the path formation is reduced by using the same method as in FIGS. 9A, 9B, and 9C. It can be used by correcting the DC voltage suitable for the charging voltage.
- 16A to 16D are diagrams illustrating the number of selectable paths according to the shape of the electric wire network according to an embodiment of the present invention.
- 16A to 16D show examples of triangular, quadrangular, hexagonal, and hexahedral structures, but these are only examples according to an embodiment of the present invention, and various three-dimensional structures such as polygons such as pentagons or heptagons or tetrahedrons can be configured.
- an output path in which a wire corresponding to the input path is selectable is the same as the number of remaining wires except for the wire corresponding to the input path.
- x has a range of 1 or more and n-1 or less.
- FIGS. 17A and 17B show a flowchart of an electric vehicle charging method according to an embodiment of the present invention.
- the charging speed depends on the charging speed.
- the process of setting the path for D/D selection and charging according to the corresponding D/D selection process and the process of canceling the path setting for canceling the D/D selection and charging according to the charging speed may be different.
- 17A is a view of the present invention when the DC/DC converter group is the configuration (a) of the DC/DC converter of FIG. 12A including the first DC/DC converter group 41 composed only of the fixed current D/D 3011 It is a figure which shows the flowchart (a).
- the DC of FIG. 12b including the second DC/DC converter group 42 additionally configured with a fixed current D/D 3022 for parallel connection to the first DC/DC converter group 41 of FIG. 12A
- the process of combining the fixed current D/D 3011 and the fixed current D/D 3022 for parallel connection is added, and all other processes may be the same as the process of FIG. 17A. have.
- FIG. 17B is a configuration (c) of the DC/DC converter of FIG. 12C including a third DC/DC converter group 43, in which the DC/DC converter group consists only of a current variable D/D 3031. It is a diagram showing the flowchart (b), and according to the charging rate (requested power) set by Chung Hee-ja, the charging rate (requested power) can be varied and supplied within the maximum output current.
- a current fixed D/D 3011 of the first DC/DC converter group 41 of FIG. 12A and a current variable D/D 3031 of the third DC/DC converter group 4040 of FIG. 12C are provided.
- the configuration (d) of the DC/DC converter of FIG. 12d including the fourth DC/DC converter group 44 configured by mixing in an appropriate ratio is the current fixed D/D ( 3011) is added, but all other processes may be the same as the process of FIG. 17B.
- the first person In the stage of transmitting the intention to charge the system with the smartphone of the user, the first person, the person of the Chung Hee-ja, transmits the intention to charge the system, including the vehicle type, charging speed, and charging time, to the system with a smartphone. It could be a computer or the like.
- Chung Hee-ja's intention to recharge can be made through the phone, and Chung Hee-ja's intention to recharge can be transmitted simply through a password, etc. to a portal site or phone based on already registered information.
- the charging intention of Chung Hee-ja can be delivered in a way that only the charging deadline is specified and the rest of the charging method is left to the charging system to properly perform.
- the system of the present invention is beneficial to the battery of an electric vehicle by using a low power rate at night. It is possible to think of a method to complete the proper charging by 7:30 am the next day at a relatively low speed.
- the system checks whether there is a chargeable spare or not, the system checks the total amount of power being used to check if there is any chargeable power remaining. , if there is no spare, you can proceed with measuring the charging standby time of Chung Hee-ja.
- the charging completion time of the vehicles currently being charged is checked, the chunghija measures the time that the chunghija must wait for charging, and information such as the standby time and the charging speed is provided to the chunghija.
- the system proceeds to provide the location information of the charging space and parking space to the victim, and if not accepted, it is recognized as charging refusal and terminated.
- the system In the step of the system providing the charging space and the parking space location information to the Chung-hee, the system provides the information to the Chung-hee, and waits until the charging space movement of the Chung-hee is completed. It is possible to omit the system providing the charging space and parking space location information to the Chung-hee and moving the charging space of the Chung-hee.
- the system may present charging conditions such as charging rate and supplyable charging speed (requested power) for each required time during which charging is possible.
- charging conditions such as charging rate and supplyable charging speed (requested power) for each required time during which charging is possible.
- the detailed selection step is a step in which the Chung Hee makes a detailed selection when the above conditions are presented to the Chung Hee, and when the Chung Hee completes the detailed selection, the final acceptance decision step proceeds. If it is rejected, it can be recognized as charging refusal and terminated.
- the acceptance decision step is the step of confirming whether or not the faithful accept the conditions selected by the Chung-hee in the detailed selection step among the above multiple options. If the Chung-hee accepts, the next step is performed. You can proceed with the self-selection step.
- the system In the step of the system providing the charging space and the parking space location information to the Chung-hee, the system provides the information to the Chung-hee, and waits until the charging space movement of the Chung-hee is completed. If the system provides charging space and parking space location information to the victim before the system presents the charging conditions (charging rate, charging speed, charging time, etc.) This is possible.
- the step of connecting the adapter to the charging cart is the step of connecting the charging adapter 5015 to the charging cart 9000.
- information on the status of the charging vehicle is obtained (remaining battery level, battery specifications, etc.) You can proceed step by step.
- Obtaining the charging vehicle status information includes information on the remaining battery capacity from the charging vehicle 9000 connected to the charging adapter 5015, battery specification information required for battery charging, and the charging vehicle 9000 ) vehicle information can be obtained.
- the step of whether or not the charger 9000 meets the consultation requirements is a step of determining whether the information selected by the Chung Hee-ja in the detailed selection step among the various options and the charger 9000 meet the consultation requirements. Accordingly, the time taken until the charging is completed may be additionally displayed, and if the charging/balance vehicle 9000 meets the consultation requirements, the step of whether or not the waiting time is required may be performed.
- the charging vehicle 9000 does not meet the consultation requirement in the step of whether the charging vehicle 9000 meets the consultation requirement, the Chung Hee person from among the various options proceeds with a detailed selection step, and if the charging vehicle 9000 is in the present invention In the charging system according to the charging system, charging may be refused and terminated when a vehicle that cannot be charged, that is, vehicle suitability is inconsistent.
- the standby and the standby time necessary steps are repeatedly performed, and when the charging start time comes, the D/D selection according to the charging speed and the route setting process for charging are performed. can proceed.
- the process of selecting D/D according to the charging speed and setting a path for charging may vary slightly according to FIGS. 17A to 17B .
- the current fixed D/D 3011 can be selected according to the charging speed (requested power) selected by Chung Hee-ja, and in the charging wire path forming step from the electric wire network in the parking lot to the vehicle location point By controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot, it is possible to form a path for charging.
- the D/D selection according to the charging speed and the path setting process for charging are performed in parallel with the current fixed D/D 3011.
- a current fixed type D/D (3011) may be selected according to the charging rate (requested power) selected by Chung Hee-ja, or a current fixed type D/D (3011) for parallel connection with the current fixed type D/D (3011) /D 3022 is a step in which an appropriate charging speed line can be formed through the control of the multiple access switch 700 of FIG. 12B .
- the charging wire path forming step from the electric wire network in the parking lot to the vehicle location point can form a route for charging by controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot as shown in FIG. 17A .
- the charging speed (requested power) can be varied within the maximum output current of the current variable D/D according to the charging speed (requested power) selected by Chung Hee-ja, and the vehicle in the electric wire network in the parking lot
- a path for charging may be formed by controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot.
- the power requested by Chung Hee-ja is supplied as a current fixed D/D.
- the stage of availability and the stage of forming the charging line route from the electric wire network in the parking lot to the vehicle location can be performed simultaneously.
- the current fixed D/D selection step corresponding to the requested power may be proceeded. It can proceed step by step.
- the current fixed D/D 3011 may be selected according to the charging speed (requested power) selected by the Chung-hee, and the charging rate setting step in the current variable D/D is the charging selected by the Chung-hee
- the charging speed (requested power) may be varied within the maximum output current of the current variable D/D 3031 according to the speed (requested power).
- a route for charging may be formed by controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot.
- a step of confirming the adequacy of final preparation for charging may be performed.
- the D/D selected or variable or combined in the previous step is the D/D corresponding to the charging speed (requested power) requested by the Chung-hee, and in the electric wire network 5000 in the parking lot It can be checked whether the path formation for charging is completed.
- the D/D selection according to the charging speed and the path setting process step for charging can be proceeded again. You can proceed with the step of connecting to the electric wire network in the parking lot through
- the step of connecting to the electric wire network in the parking lot through the disconnection switch ON of the corresponding D/D is the charging speed ( requested power).
- Charging is carried out in the charging stage, and if it is necessary to terminate charging by checking whether or not charging needs to be terminated in the middle, such as Chung Hee-ja, it can proceed after the charging completion confirmation stage. You can proceed to the step of checking whether the charging is complete.
- the charging stage can proceed. If charging is complete, the disconnection stage from the electric wire network in the parking lot through the disconnection switch of the corresponding D/D and the charging status notification and You can proceed with steps such as payment of the charging fee.
- the disconnection connection switch 3012 of the request power control unit 3000 is turned off to release the connection with the electric wire network 5000 in the parking lot This can cut off the charging speed (requested power) supply.
- the process of deselecting D/D according to the charging speed and releasing the path setting for charging is the current fixed D/D deselection step corresponding to the requested power and the charging wire path formation release step from the electric wire network in the parking lot to the vehicle location point may proceed simultaneously.
- the step of deselecting the current fixed D/D corresponding to the requested power is a step of deselecting the fixed current D/D 3011 used for the corresponding charging, and canceling the formation of the charging wire path from the electric wire network in the parking lot to the vehicle location point
- the step includes controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot to release the path formed for charging.
- the process of releasing the D/D selection according to the charging speed and releasing the path setting for charging is performed in parallel with the current fixed D/D 3011 .
- the step of releasing the proper charging speed line formation and the step of releasing the formation of the charging wire path from the electric wire network in the parking lot to the vehicle location can be performed simultaneously.
- the step of canceling the formation of an appropriate charging speed line is the current fixed D/D 3011 or parallel It may include releasing the selection of the current fixed D/D 3022 for connection, and releasing the formation of an appropriate charging speed line through the control of the multi-connection switch 700 .
- the step of releasing the formation of the charging wire path from the electric wire network in the parking lot to the vehicle location point may include the step of releasing the route formed for charging by controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot.
- the process of canceling the D/D selection according to the charging speed and releasing the path setting for charging is the stage of canceling the charging speed setting of the used current variable D/D and the formation of the charging wire path from the electric wire network in the parking lot to the vehicle location release The steps may proceed simultaneously.
- the release step may include the step of controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot to release the route formed for charging.
- the process of releasing the D/D selection according to the charging rate and releasing the path setting for charging is performed by releasing the current variable D/D charging rate setting or the current
- the stage of deselection of the fixed D/D and the stage of forming the charging wire route from the electric wire network in the parking lot to the vehicle location can be carried out simultaneously.
- the charging rate setting of the current variable D/D 3031 used for the corresponding charging is released or the current fixed D/D used for the corresponding charging is released. It may include the step of canceling the selection of D (3011).
- the step of releasing the formation of the charging wire path from the electric wire network in the parking lot to the vehicle location point it may include the step of releasing the route formed for charging by controlling the multi-connection switch 700 of the electric wire network 5000 in the parking lot.
- the step of checking whether it is properly released may proceed, and if it is properly released, it ends, but if it is not properly released, the You can proceed again from the stage of disconnecting from the electric wire network in the parking lot through the disconnection switch OFF.
- step of notifying the charging status and paying the charging fee information such as the completion or termination of charging and the amount of power used for charging can be transmitted to the control unit 400, and the charging fee payment received from the control unit is performed, and the
- the process is merely an example according to an embodiment of the present invention, and details may vary depending on the process performed after charging is completed.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
링 | 단자 | 압착부 | ||||
내경 | 외경 | 총 길이 | 길이 | 내경 | 외경 | |
25SQ 전선과 링타입 압착단자 사용 |
8.5mm | 16mm | 32mm | 11.5mm | 7.5mm | 10mm |
100SQ 전선과 링타입 압착단자 사용 |
12.9mm | 24mm | 49.5mm | 19.5mm | 15.6mm | 20mm |
100SQ 전선과 구리 버스바 사용 |
20x3 ㎟ |
25SQ 링타입 압착단자 |
거리 | 25m | 50m | 75m | 100m | |
충전기 | DC 출력 전압 | 79.0V | 80.0V | 80.9V | 81.7V | |
DC 출력 전류 | 15.5A | 15.5A | 15.5A | 15.5A | ||
동작 모드(CC/CV) | CC | CC | CC | CC | ||
다중접속스위치 | 앞쪽 전압 | 78.19V | 78.15V | 78.06V | 78.03V | |
뒤쪽 전앞 | 78.14V | 78.09V | 78.01V | 77.99V |
100SQ 링타입 압착단자 |
거리 | 25m | 50m | 75m | 100m | |
충전기 | DC 출력 전압 | 388.4V | 391.5V | 394.7V | 397.8V | |
DC 출력 전류 | 125A | 125A | 125A | 125A | ||
동작 모드(CC/CV) | CC | CC | CC | CC | ||
다중접속스위치 | 앞쪽 전압 | 385.29V | 385.22V | 385.04V | 384.85V | |
뒤쪽 전앞 | 385.24V | 385.16V | 384.99V | 384.81V |
100SQ 구리 버스바 |
거리 | 25m | 50m | 75m | 100m | |
충전기 | DC 출력 전압 | 390.1V | 391.7V | 393.6V | 395.4V | |
DC 출력 전류 | 125A | 125A | 125A | 125A | ||
동작 모드(CC/CV) | CC | CC | CC | CC | ||
다중접속스위치 | 앞쪽 전압 | 388.25V | 388.04V | 387.52V | 387.19V | |
뒤쪽 전앞 | 388.19V | 387.99V | 387.47V | 387.14V |
Claims (19)
- 교류 전원을 직류 전원으로 변환하는 AC/DC 컨버팅 시스템;충전하는 직류전류를 공급하거나 끊어주는 단선연결 스위치를 포함하는 요청전력조작부;주차장의 주차공간들 중 적어도 일부에 설치된 충전용 어댑터들;상기 DC/DC 컨버터와 상기 충전용 어댑터들 사이에서 상기 DC/DC 컨버터와 상기 충전용 어댑터들을 연결할 수 있는 전선망; 및,상기 전선망의 3개 이상의 전선과 연결되고, 상기 3개 이상의 전선 중 일부 전선들을 연결하여 선택적으로 연결경로를 형성할 수 있는 다중접속스위치;를 포함하고,상기 다중접속스위치의 동작으로, 상기 AC/DC 컨버팅 시스템, 상기 전선망, 및, 상기 충전용 어댑터들 중에서 전기자동차와 연결된 충전용 어댑터가 상기 선택적으로 형성된 연결경로로 연결되는 충전위치 선택형 전기자동차 충전시스템.
- 상기 제1항에 있어서,상기 AC/DC 컨버팅 시스템의 출력단에 연결되는 DC/DC 컨버터를 더 포함하고, 및, 상기 단선연결 스위치를 포함하는 요청전력조작부가 각 DC/DC 컨버터의 출력단에 연결되며,상기 다중접속스위치의 동작으로, 상기 DC/DC 컨버터, 상기 전선망, 및, 상기 충전용 어댑터들 중에서 전기자동차와 연결된 충전용 어댑터가 상기 선택적으로 형성된 연결경로로 연결되는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 AC/DC 컨버터 또는 상기 DC/DC 컨버터의 개수보다 상기 충전용 어댑터의 개수가 더 많은 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 AC/DC 컨버팅 시스템마다 상기 요청전력조작부가 별개로 구비되는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 요청전력조작부를 복수개 포함하고, 상기 복수개의 요청전력조작부는 상호간에 전력을 전달할 수 있는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 요청전력조작부를 복수개 포함하고,각 요청전력조작부에 대응하는 충전 영역은 분리되어 있는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 요청전력조작부를 복수개 포함하고,복수개의 요청전력조작부에 대응하는 충전 영역은 일부가 중첩되는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 전선망에는 3개 이상의 전선이 선택적으로 연결되는 접점을 형성할 수 있는 다수의 모서리가 형성되고, 그 모서리 중 선택된 모서리에는 상기 다중접속스위치가 배치되는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 전선망의 형태가 다각형, 다면체, 혹은 그 복합체가 이어진 형태로 구성되는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,메인제어장치를 더 포함하되,상기 메인제어장치는 허용전력량관리장치, AC/DC 컨버팅 시스템 관리, 전류고정형 또는 가변형 DC/DC 컨버터 관리, 및 주차장 내 전선망 관리를 포함하는 충전 전선 연결 관리 기능 중 하나 이상의 기능을 포함하는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 허용전력량관리장치는, 상기 AC/DC 컨버팅 시스템의 전원 입력 라인의 AC 전압과 AC 전류를 모니터링하고, 상기 전기자동차와 연결된 충전용 어댑터의 DC 전압을 모니터링하는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 충전용 어댑터들은, 상기 전선망의 소켓에 탈부착 가능한 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,과금시스템, 회원정보 관리시스템, 충대차 충전 및 정보관리 기능을 포함하는 메인 제어 장치를 포함하는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 DC/DC 컨버터의 대수는 최대 동시충전 전기자동차 대수에 대응하는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 1 및 청구항 2 중 어느 한 항에 있어서,상기 충전용 어댑터들은, 각각 두 다중접속스위치 사이에 배치되는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 청구항 15에 있어서,상기 두 다중접속스위치 사이에, 복수개의 충전용 어댑터들이 배치되는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전시스템.
- 전기자동차가 전체 주차공간에 설치된 충전용 어댑터들 중에서 어느 한 충전용 어댑터에 연결되는 단계;충전위치 선택형 전기자동차 충전시스템이 해당하는 충전전력의 DC/DC 컨버터를 정하는 단계;상기 해당 DC/DC 컨버터의 해당 요청전력제공전선과 상기 해당 충전용 어댑터까지 전선망의 충전전선을 형성하는 단계;상기 해당 DC/DC 컨버터의 해당 단선연결 스위치를 연결하는 단계;상기 해당 전기자동차에 충전하는 단계;상기 해당 전기자동차의 충전을 종료하는 단계; 및상기 해당 DC/DC 컨버터의 해당 단선연결 스위치를 단락하는 단계;를 포함하고,상기 전선망의 3개 이상의 전선과 연결되고, 상기 3개 이상의 전선 중 일부 전선들을 연결하여 선택적으로 연결경로를 형성할 수 있는 다중접속스위치가 상기 전선망에 설치되어 있어서,상기 다중접속스위치의 동작으로, 상기 DC/DC 컨버터, 상기 전선망, 및, 상기 충전용 어댑터들 중에서 전기자동차와 연결된 충전용 어댑터가 상기 선택적으로 형성된 연결경로로 연결되는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전방법.
- 청구항 17에 있어서,상기 DC/DC 컨버터의 개수보다 상기 충전용 어댑터의 개수가 더 많은 것을 특징으로 하는 충전위치 선택형 전기자동차 충전방법.
- 청구항 17에 있어서,상기 해당 DC/DC 컨버터의 해당 요청전력제공전선과 상기 해당 충전용 어댑터까지 전선망의 충전전선을 해제하는 단계를 더 포함하는 것을 특징으로 하는 충전위치 선택형 전기자동차 충전방법.
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