WO2018130223A1 - 一种充电桩并机的充电桩系统及方法 - Google Patents

一种充电桩并机的充电桩系统及方法 Download PDF

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Publication number
WO2018130223A1
WO2018130223A1 PCT/CN2018/072782 CN2018072782W WO2018130223A1 WO 2018130223 A1 WO2018130223 A1 WO 2018130223A1 CN 2018072782 W CN2018072782 W CN 2018072782W WO 2018130223 A1 WO2018130223 A1 WO 2018130223A1
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WO
WIPO (PCT)
Prior art keywords
charging
socket
load
pile
power
Prior art date
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PCT/CN2018/072782
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English (en)
French (fr)
Inventor
侯仰勋
林永津
张文博
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP18739086.9A priority Critical patent/EP3561994B1/en
Publication of WO2018130223A1 publication Critical patent/WO2018130223A1/zh
Priority to US16/511,506 priority patent/US11260763B2/en

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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
    • B60L53/11—DC charging controlled by the charging station, e.g. mode 4
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—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
    • B60L53/18—Cables specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—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 converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/67—Controlling two or more charging stations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/106—Parallel operation of dc sources for load balancing, symmetrisation, or sharing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present invention relates to the field of charging technology, and in particular, to a charging pile system and method for charging a pile.
  • FIG. 1 is a technical solution of the prior art. Specifically, after the charging pile is cascaded, the high-power vehicle is charged, and the power line transmits energy and the communication line realizes the cascade of the charging pile controller. Power lines and communication lines are buried.
  • FIG. 2 is another technical solution of the prior art. Specifically, a unified charging pile power module power supply system is established in the background, and when charging the charging pile of the customer in front, the charging power module of the charging pile in the background is respectively charged. Pile charging.
  • the prior art has the following disadvantages: increasing the construction difficulty, requiring trenching, layout, and wiring in advance, the site construction period is increased, the labor cost is increased, and the power line and the communication line are buried in the ground. When there is a fault, the maintenance is difficult, and the cable itself is difficult. The cost also increases the total cost of the system.
  • Embodiments of the present invention provide a charging pile system and method for a charging pile parallel machine, which will improve an existing charging pile in a charging pile system, and interconnect the power of each existing charging pile through a charging gun, thereby solving the charging.
  • one charging pile power in the pile system is less than the load power demand, the problem of power interconnection between the charging piles cannot be performed at low cost and high efficiency.
  • a first aspect of the embodiments of the present invention provides a charging pile system for charging a pile
  • the charging pile system includes at least two charging piles, each of which is provided with a charging gun, and the charging gun is used for loading Charging, the charging gun internally includes a power line and a communication line, wherein
  • At least one charging post is further provided with a charging gun socket, one end of the charging post socket is connected with a power unit inside the charging post provided with the charging post socket, and the other end of the charging gun socket is used for connecting and inserting a charging gun of the other charging pile on the charging pile of the charging pile socket;
  • Charging guns of other charging piles in the charging pile system are inserted into the charging pile provided with the charging gun socket, so that the power output of the charging pile for charging the current load satisfies the power demand of the current load .
  • each of the charging piles is further provided with a controller, and the controller is configured to control the charging pile to perform an action, including controlling the charging pile to communicate with the load or other charging piles, charging, discharging, sending and receiving instructions;
  • the charging peg provided with the charging gun socket detects the charging gun of the other charging post and the charging gun on the charging post provided with the charging gun socket After the socket is already in the connected state, the power of the at least two charging piles connected together is output to the load.
  • the method further includes:
  • the two charging piles connected together output electrical energy for the load.
  • a plurality of the other charging piles are used to pass the respective charging guns and the one provided with the charging gun socket
  • the charging piles are connected in series.
  • the charging post provided with a charging gun socket is charged with a load and the power demand of the load is greater than a charging post provided with a charging gun socket for charging the current load.
  • the power output after determining one or more charging piles that are in the idle state closest to one of the charging piles provided with the charging gun socket for charging the current load, the one that is the closest or A plurality of charging piles in an idle state are sequentially connected in series by the respective charging guns and the one charging pile provided with the charging gun socket.
  • the charging gun socket is connected to the output end of the power unit inside the charging post through a contactor, and is connected in series with the power unit. , thereby forming a power parallel.
  • the invention provides a charging pile parallel charging pile system, which improves the existing charging pile in the charging pile system, and interconnects the power on the existing charging piles according to the power demand of the load through the charging gun. Therefore, in the case of a charging pile system in which the power of the charging pile is less than the load power requirement, the technical effect of enabling low-cost and high-efficiency power interconnection between the charging piles is realized.
  • a second aspect of the embodiments of the present invention provides a charging method for a charging pile parallel machine, wherein the charging pile system includes at least two charging piles, and each of the charging piles is provided with a charging gun, and the charging gun is used for Load charging, the charging gun internally includes a power line and a communication line, and is characterized by comprising:
  • At least one of the charging piles is provided with a charging gun socket, and the charging pile socket is connected with a power unit inside the charging pile;
  • the system issues Inserting, by the charging gun of the other charging piles in the charging pile system, an instruction to the one charging post provided with the charging gun socket, so that the power output of the one charging post for charging the current load is satisfied The power demand of the current load.
  • each of the charging piles is further provided with a controller, and the controller is configured to control the charging pile to complete various actions, including controlling charging, charging, discharging, sending and receiving commands of the charging pile and the load or other charging pile;
  • the charging post provided with a charging gun socket is charged for a load and the power demand of the load is greater than one of the settings for charging the current load.
  • the power output of the charging post of the charging gun socket after the system issues an instruction to insert the charging gun of the other charging post in the charging post system onto the one charging post provided with the charging gun socket, :
  • the two charging piles connected together output electrical energy for the load.
  • the charging post provided with a charging gun socket is charged for a load and the power demand of the load is greater than the power of the charging post provided with the charging gun socket for charging the current load.
  • the system issues an instruction to insert a charging gun of another charging post in the charging pile system onto the one charging post provided with a charging gun socket to cause the current load to be charged
  • the power output of the one charging pile meets the power requirement of the current load, and specifically includes:
  • the system issues And an instruction of sequentially connecting one or more other charging piles of the one or more other charging piles in the charging pile system through the respective charging guns and the one charging pile provided with a charging gun socket to cause the current load to be charged
  • the power output of the one charging post satisfies the power demand of the current load.
  • the charging post provided with a charging gun socket is charged for a load and the power demand of the load is greater than the power of the charging post provided with the charging gun socket for charging the current load.
  • the system issues an instruction to serially connect one or more other charging piles of the charging pile system through the respective charging guns to the one charging pile provided with the charging gun socket, include:
  • the charging post provided with a charging gun socket charges the load and the power demand of the load is greater than the power output of the charging post provided with the charging gun socket for charging the current load
  • the system After the system determines one or more charging piles that are in the idle state closest to one of the charging piles provided with the charging gun sockets for charging the current load, the system issues one or more of the closest distances in an idle state.
  • the charging piles are sequentially connected in series with the one charging post provided with the charging gun socket through respective charging guns.
  • At least one of the charging piles is provided with a charging gun socket, and the charging post socket is connected to the power unit inside the charging post, and specifically includes:
  • At least one of the charging posts is provided with a charging gun socket connected to an output end of the power unit inside the charging post and formed in series with the power unit.
  • the invention provides a charging pile parallel system or a charging pile system or method, which improves the existing charging pile in the charging pile system, and through mutual charging of the power on the existing charging piles according to the power demand of the load through the charging gun In the case where a charging pile power in the charging pile system is less than the load power demand, the technical effect of being able to perform power interconnection with high efficiency at low cost is realized.
  • FIG. 1 is a schematic view of a charging pile system of the prior art
  • FIG. 2 is a schematic view of another charging pile system of the prior art
  • FIG. 3 is a schematic diagram of a charging pile system according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another charging post system according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a charging method of a charging pile system according to an embodiment of the present invention.
  • FIG. 6 is a flow chart of another charging method of a charging post system according to an embodiment of the present invention.
  • the invention provides a charging pile system and method for a charging pile parallel machine, which improves the existing charging pile in the charging pile system, and interconnects the power of each existing charging pile through a charging gun, thereby solving the charging pile system.
  • one charging pile power is less than the load power demand, the problem of power interconnection between the charging piles cannot be performed at low cost and high efficiency.
  • a charging pile system for charging a pile includes at least two charging piles, and each of the charging piles is provided with a charging gun, A charging gun is used for charging a load, and the charging gun internally includes a power line and a communication line, wherein
  • At least one charging post is further provided with a charging gun socket, one end of the charging post socket is connected with a power unit inside the charging post provided with the charging post socket, and the other end of the charging gun socket is used for connecting and inserting a charging gun of the other charging pile on the charging pile of the charging pile socket;
  • Charging guns of other charging piles in the charging pile system are inserted into the charging pile provided with the charging gun socket, so that the power output of the charging pile for charging the current load satisfies the power demand of the current load .
  • the present embodiment improves the existing charging pile in the charging pile system by interconnecting the power on the existing charging piles according to the power demand of the load through the charging gun, so that one charging pile power in the charging pile system is less than the load.
  • the technical effect of being able to perform power interconnection at low cost and high efficiency between the respective charging posts is realized.
  • the charging post is provided with a charging gun socket, after detecting that the charging gun of the other charging post is connected to the charging gun socket on a charging post provided with the charging gun socket, And outputting the power of the at least two charging piles connected together to the load.
  • the plurality of other charging piles are used to sequentially pass the charging guns and the one charging pile provided with a charging gun socket. Connect in series.
  • the charging post is provided in a charging post provided with a charging gun socket, and the power demand of the load is greater than the power output of the charging post provided with the charging gun socket for charging the current load.
  • the closest distances after determining one or more charging piles in the idle state closest to one of the charging piles provided with the charging gun sockets for charging the current load
  • the charging piles in the idle state are sequentially connected in series with the one charging post provided with the charging gun socket through respective charging guns.
  • the charging gun socket is configured to be connected to the output end of the power unit inside the charging post through a contactor, and formed in series with the power unit, thereby forming Power is connected in parallel.
  • the charging pile system includes a charging pile 101 and a charging pile 201, specifically including a charging gun 102, a communication interface CAN103, a communication interface CAN104, a charging pile controller 105, a power line 106,
  • the charging pile power module 107, the charging pile socket 108, the charging gun 202, and other components in the charging pile 201 are charged.
  • the functions of the above units are as follows:
  • the charging pile 101 is used to supply electric energy required for the electric vehicle.
  • the charging gun 102 is configured to connect the charging pile 101 to the load.
  • the charging gun 102 is configured to perform energy transmission and communication with the electric vehicle.
  • the communication interface CAN103 is connected to the charging post controller 105 for communication between the charging post controller 105 and the electric vehicle; and is also used for communication with the charging post 201 in parallel with the charging post 101.
  • the communication interface CAN 104 is coupled to the charging gun socket 108 for communication between the series of charging piles 101 and the charging piles 201.
  • the charging pile controller 105 is configured to control the charging and discharging of the charging pile by the charging pile, and the process for controlling the charging pile 201 in parallel connected to the charging pile 101. After the series connection, the two charging piles are connected. The energy transfer and communication between the two is controlled and scheduled.
  • a power line 106 is used for energy transfer in the charging post.
  • a charging post power module 107 an AC-DC converting unit, is used to provide energy for the electric vehicle.
  • a charging gun socket 108 is disposed on the charging post 101 for providing an interface for inserting the charging gun 202 into the charging post 101 to realize charging the charging pile 101 and the charging pile Two 201 are connected in series to achieve power parallel.
  • the system works as follows: when the charging pile controller 105 of the charging post 101 detects that the output power cannot meet the power demand of the load electric vehicle, the charging controller 105 controls the execution physics. Connecting, controlling to insert the charging gun 202 into the charging post socket 108;
  • the charging pile 101 and the charging pile 201 are hand-stacked, and the charging gun 202 is inserted into the charging pile socket 108.
  • the communication interface CAN104 of the charging pile controller 105 and the communication interface CAN203 of the charging pile controller 205 are hooked together.
  • the interface CAN address is triggered for re-shooting, and the charging post controller 105 and the charging post controller 205 can respectively recognize the presence of the other party.
  • the charging pile controller 105 serves as a host, and is responsible for power allocation and scheduling;
  • the system performs insulation detection and bleed, specifically including charging the pile controller 105 to issue an insulation detection command to the charging pile controller 205, and the charging pile controller 205 controls the charging power module 207 to output an insulation detection output voltage.
  • the insulation detection voltage is reported in real time, and the 105 detects the voltage of the contactor 109 and the contactor 110 near the side of the charging post socket 108.
  • the 105 controls the charging power module to output the voltage U2 to the U1 detected by the 105.
  • the U2 and U1 satisfy the error range
  • the 105 controls the contactor 109 and the contactor 110 to close.
  • the 105 closes the charging post busbar main contactors (K1, K2).
  • GBT 18487.1-2015 Electronic Vehicle Conductive Charging System Part 1: General Requirements
  • the pile-pitch parameters are coordinated between the charging pile 101 and the charging pile 201.
  • the charging pile controller 105 distributes the current proportionally according to the charging demand according to the power of each charging pile.
  • the 105 closing contactor 109 and the contactors 110, 105 close the charging post busbar main contactors (K1, K2).
  • GBT 18487.1-2015 Electric Vehicle Conductive Charging System Part 1: General Requirements
  • the system performs energy intelligent adjustment, and specifically includes the charging pile controller 105 determining the number of currently required parallel charging piles in real time according to the demand of the vehicle. For example, when the charging pile controller 105 detects that the charging pile 101 alone can meet the charging demand of the electric vehicle. Then, the output current of the charging pile 101 is gradually increased, and the output current of the charging pile 201 is reduced in real time. When the charging pile can supply electric energy by itself, the charging pile controller 105 cuts off the contactors 109, 110. At this time, the user interface of the charging pile 201 shows that the state of the charging pile 201 is idle; charging is completed.
  • FIG. 5 is a charging method of a charging pile parallel machine according to an embodiment of the present invention, wherein the charging pile system includes at least two charging piles, and each of the charging piles is provided with a charging gun, and the charging gun For charging a load, the charging gun internally includes a power line and a communication line, including:
  • At least one of the charging piles is provided with a charging gun socket, and the charging pile socket is connected with a power unit inside the charging pile;
  • the system issues Inserting, by the charging gun of the other charging piles in the charging pile system, an instruction to the one charging post provided with the charging gun socket, so that the power output of the one charging post for charging the current load is satisfied The power demand of the current load.
  • the charging pile that is provided with a charging gun socket charges the load and the power demand of the load is greater than a power output of the charging post provided with the charging gun socket for charging the current load.
  • the two charging piles connected together output electrical energy for the load.
  • the charging pile that is provided with a charging gun socket charges the load and the power demand of the load is greater than a power output of the charging post provided with the charging gun socket for charging the current load.
  • the system issues an instruction to insert a charging gun of another charging post in the charging pile system onto the one charging post provided with a charging gun socket to cause the one of the current load to be charged
  • the power output of the charging pile satisfies the power requirement of the current load, and specifically includes:
  • the system issues And an instruction of sequentially connecting one or more other charging piles of the one or more other charging piles in the charging pile system through the respective charging guns and the one charging pile provided with a charging gun socket to cause the current load to be charged
  • the power output of the one charging post satisfies the power demand of the current load.
  • the charging pile that is provided with a charging gun socket charges the load and the power demand of the load is greater than a power output of the charging post provided with the charging gun socket for charging the current load.
  • the system sends an instruction to serially connect the one or more other charging piles of the charging pile system through the respective charging guns to the one charging pile provided with the charging gun socket, and specifically includes:
  • the charging post provided with a charging gun socket charges the load and the power demand of the load is greater than the power output of the charging post provided with the charging gun socket for charging the current load
  • the system After the system determines one or more charging piles that are in the idle state closest to one of the charging piles provided with the charging gun sockets for charging the current load, the system issues one or more of the closest distances in an idle state.
  • the charging piles are sequentially connected in series with the one charging post provided with the charging gun socket through respective charging guns.
  • At least one of the charging piles is provided with a charging gun socket, and the charging pile socket is connected to the power unit inside the charging pile, and specifically includes:
  • At least one of the charging posts is provided with a charging gun socket connected to an output end of the power unit inside the charging post and formed in series with the power unit.
  • the charging method of the charging pile parallel machine improves the existing charging pile in the charging pile system, and interconnects the power on the existing charging piles according to the power demand of the load through the charging gun, thereby charging the pile system In the case where one charging pile power is less than the load power demand, the technical effect of being able to perform power interconnection with low efficiency and high efficiency between the charging piles is realized.
  • FIG. 6 which is a flowchart of a method in the embodiment of the present invention, the method flowchart may be applied to the charging pile system of FIG. 3 or FIG. 4 .
  • the method flowchart may be applied to the charging pile system of FIG. 3 or FIG. 4 .
  • Step S601 involving a physical connection, when the charging pile controller 105 of the charging post 101 detects that the output power cannot meet the power demand of the load electric vehicle, the charging controller 105 controls to perform a physical connection, and controls the charging gun 202. Plugged into the charging post socket 108.
  • Step S602 involving the pile-stack handshake, the charging pile 101 and the charging pile 201 are hand-stacked, specifically including inserting the charging gun 202 into the charging pile socket 108, the communication interface CAN104 and the charging pile of the charging pile controller 105.
  • the communication interface CAN203 of the controller 205 is hooked up on the same CAN bus, triggering the interface CAN address for retake, and the charging post controller 105 and the charging post controller 205 can respectively recognize the existence of the other party.
  • the charging pile controller 105 serves as a host, and is responsible for power allocation and scheduling;
  • Step S603 involving a vehicle pile handshake, the electric vehicle and the charging pile 101 are hand-browed, and after the charging gun 102 is inserted into the electric vehicle, according to GBT 27930-2015 "electric vehicle non-vehicle conductive charger and battery management system" The communication protocol between the two completes the handshake, which is not detailed here.
  • Step S604 involving insulation detection and bleed, the system performs insulation detection and bleed, specifically including charging the pile controller 105 to issue an insulation detection command to the charging pile controller 205, and the charging pile controller 205 controls the charging power module.
  • 207 outputs an insulation detection output voltage
  • the 205 reports the insulation detection voltage in real time
  • the 105 detects the voltage of the contactor 109 and the contactor 110 near the side of the charging post socket 108.
  • the 105 controls the charging power module to output the voltage U2 to the U1 detected by the 105.
  • the 105 controls the contactor 109 and the contactor 110 to close.
  • the 105 closes the charging post busbar main contactors (K1, K2).
  • K1, K2 For the schematic diagram of the contactor (K1, K2) between the electric vehicle and the charging pile 101, see GBT18487.1-2015 "Electrical Vehicle Conductive Charging System Part 1: General Requirements".
  • Step S605 involving stake coordination of the piles, the pile pile parameters are coordinated between the charging pile 101 and the charging pile 201, and after the electric vehicle reports the charging demand, the charging pile controller 105 according to the charging demand, according to each charging pile Power, proportionally distributes current.
  • the 105 closing contactor 109 and the contactors 110, 105 close the charging post busbar main contactors (K1, K2).
  • GBT 18487.1-2015 Electric Vehicle Conductive Charging System Part 1: General Requirements.
  • Step S606 relating to energy transmission, the charging post controller 105 distributes the current proportionally according to the charging demand according to the power of each charging post.
  • Step S607 relating to energy intelligent adjustment
  • the system performs energy intelligent adjustment, specifically including the charging pile controller 105 determining the current number of parallel charging piles required in real time according to the demand of the electric vehicle. For example, when the charging pile controller 105 detects that the charging pile 101 alone can meet the charging demand of the electric vehicle. Then, the output current of the charging pile 101 is gradually increased, and the output current of the charging pile 201 is reduced in real time. When the charging pile can supply electric energy by itself, the charging pile controller 105 cuts off the contactors 109, 110. At this time, the user interface of the charging station 201 indicates that the state of the charging station 201 is idle.
  • step S608 the charging is completed.
  • the charging pile system charging method realizes each by connecting the power on the existing charging piles according to the power demand of the load through the charging gun, so that in the charging pile system, the power of one charging pile is less than the load power requirement.
  • the technical effect of power interconnection between the charging piles at low cost and high efficiency.

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Abstract

一种充电桩并机的充电桩系统，所述充电桩系统包括至少两个充电桩（101、201），各个所述充电桩（101、201）上设置有充电枪（102、202），所述充电枪（102、202）用于为负载充电，所述充电枪（102、202）内部包括功率线（106、206）与通信线（103、203），至少一个充电桩（101）上还设置有充电枪插口（108），所述充电枪插口（108）用于将其他充电桩（201）的充电枪（202）插入到设置有所述充电桩插口（108）的充电桩（101）上；设置有充电枪插口（108）的一个充电桩（101），在为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口（108）的充电桩（101）的功率输出的情形下，用于将所述充电桩系统中其他充电桩（201）的充电枪（202）插入到设置有充电枪插口（108）的所述充电桩（101）上，以使所述为所述当前负载充电的所述充电桩（101）的功率输出满足所述当前负载的功率需求。

Description

一种充电桩并机的充电桩系统及方法
本申请要求于2017年1月16日提交中国专利局、申请号为201710030716.X、申请名称为“一种充电桩并机的充电桩系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及充电技术领域，特别涉及一种充电桩并机的充电桩系统及方法。
背景技术
目前，在直流电动汽车市场中，以小功率轿车和大功率大巴车为主流车型。充电站建设时需要考虑同时满足不同功率等级的车型。如果将所有充电桩按照大功率设计，小功率车使用时存在资源的浪费。同时针对停车场等场景下，又存在安装空间受限，大功率充电桩的安装灵活性不足的问题。所以现有技术一般为了满足大功率车的充电需求，通过增加单机功率容量方式实现。
图1为现有技术的一种技术方案，具体地，充电桩级联后给大功率车充电，由功率线传输能量、通信线实现充电桩控制器的级联。功率线和通信线采用埋地安装的方式。图2为现有技术的另一种技术方案，具体地，在后台建立统一的充电桩功率模块供电系统，前边面对客户的充电桩充电时，后台的充电桩功率模块供电系统分别给各个充电桩充电。现有技术中存在如下缺点：增加施工难度，需要提前挖沟、布局、布线，站点建设周期增长，人力成本增加，而且功率线和通信线埋在地下，有故障时，维护困难，线缆本身的费用也增加了系统的总成本。
发明内容
本发明实施例提供一种充电桩并机的充电桩系统及方法，将对充电桩系统中的现有充电桩进行改进，将现有各个充电桩上的功率通过充电枪互连，从而解决充电桩系统中一个充电桩功率小于负载功率需求的情形下，各个充电桩之间不能够低成本高效率的进行功率互连的问题。
本发明实施例第一方面提供一种充电桩并机的充电桩系统，所述充电桩系统包括至少两个充电桩，各个所述充电桩上设置有充电枪，所述充电枪用于为负载充电，所述充电枪内部包括功率线与通信线，其特征在于，
至少一个充电桩上还设置有充电枪插口，所述充电桩插口一端与设置有所述充电桩插口的充电桩内部的功率单元相连接，所述充电枪插口另一端用于连接插入到设置有所述充电桩插口的充电桩上的其他充电桩的充电枪；
设置有充电枪插口的一个充电桩，在为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，用于将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述充电桩上，以使所述为所述当前负载充电的所述充电桩的功率输出满足所述当前负载的功率需求。
具体地，所述各个充电桩还设置有控制器，所述控制器用于控制所述充电桩执行动作，包括控制充电桩与负载或其他充电桩进行通信、充放电、收发指令各项动作；
在第一方面的一种实施方式中，所述设置有充电枪插口的一个充电桩，在检测到所述其他充电桩的充电枪与所述设置有充电枪插口的一个充电桩上的充电枪插口已经处于连接状态后，用于将所述连接起来的至少两个充电桩的功率共同输出给所述负载。
所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令之后，还包括：
所述系统获取到所述充电枪与所述充电插口已经处于连接状态的指令后，所述连接起来的两个充电桩共同为所述负载输出电能。
在一种实施方式中，所述充电桩系统中其他充电桩为多个的情形下，多个所述其他充电桩，用于通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来。
在一种实施方式中，所述在一个设置有充电枪插口的所述充电桩，在为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，用于在确定与为当前负载充电的一个所述设置有充电枪插口的充电桩距离最近的一个或多个处于空闲状态的充电桩后，发出将距离最近的一个或多个处于空闲状态的充电桩通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令。
在一种实施方式中，在一个设置有充电枪插口充电桩上，所述充电枪插口，用于与所述充电桩内部的功率单元的输出端通过接触器相连，与所述功率单元形成串联，从而形成功率并联。
本发明提供的一种充电桩并机的充电桩系统，对充电桩系统中的现有充电桩进行改进，通过将现有各个充电桩上的功率按照负载的功率需求通过充电枪进行互连，从而在充电桩系统中一个充电桩功率小于负载功率需求的情形下，实现了各个充电桩之间能够低成本高效率的进行功率互连的技术效果。
本发明实施例第二方面提供一种充电桩并机的充电方法，其中，所述充电桩系统包括至少两个充电桩，各个所述充电桩上设置有充电枪，所述充电枪用于为负载充电，所述充电枪内部包括功率线与通信线，其特征在于，包括：
至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的相连接；
在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述 当前负载的功率需求。
进一步地，所述各个充电桩还设置有控制器，所述控制器用于控制所述充电桩完成各个动作，包括控制充电桩与负载或其他充电桩进行通信、充放电、收发指令各项动作；
在本发明实施例第二方面的一种实施方式中，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令之后，还包括：
所述系统获取到所述充电枪与所述充电插口已经处于连接状态的指令后，所述连接起来的两个充电桩共同为所述负载输出电能。
在一种实施方式中，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求，具体包括：
在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中一个或多个其他充电桩的通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求。
在一种实施方式中，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中一个或多个其他充电桩的通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令，具体包括：
所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统确定与为当前负载充电的一个所述设置有充电枪插口的充电桩距离最近的一个或多个处于空闲状态的充电桩后，所述系统发出将距离最近的一个或多个处于空闲状态的充电桩通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令。
在一种实施方式中，至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的相连接，具体包括：
至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的输出端相连，与所述功率单元形成串联。
本发明提供的一种充电桩并机的充电桩系统或方法，对充电桩系统中的现有充电桩进行改进，通过将现有各个充电桩上的功率按照负载的功率需求通过充电枪进行互 连，从而在充电桩系统中一个充电桩功率小于负载功率需求的情形下，实现了各个充电桩之间能够低成本高效率的进行功率互连的技术效果。
附图说明
图1是现有技术一种充电桩系统示意图；
图2是现有技术另一种充电桩系统示意图；
图3是本发明实施例提供的一种充电桩系统示意图；
图4是本发明实施例提供的另一种充电桩系统示意图；
图5是本发明实施例提供的一种充电桩系统充电方法流程图；
图6是本发明实施例提供的另一种充电桩系统充电方法流程图。
具体实施方式
本发明提供一种充电桩并机的充电桩系统及方法，将对充电桩系统中的现有充电桩进行改进，将现有各个充电桩上的功率通过充电枪互连，从而解决充电桩系统中一个充电桩功率小于负载功率需求的情形下，各个充电桩之间不能够低成本高效率的进行功率互连的问题。
如附图3，在本发明一个实施例中，提供一种充电桩并机的充电桩系统，所述充电桩系统包括至少两个充电桩，各个所述充电桩上设置有充电枪，所述充电枪用于为负载充电，所述充电枪内部包括功率线与通信线，其特征在于，
至少一个充电桩上还设置有充电枪插口，所述充电桩插口一端与设置有所述充电桩插口的充电桩内部的功率单元相连接，所述充电枪插口另一端用于连接插入到设置有所述充电桩插口的充电桩上的其他充电桩的充电枪；
设置有充电枪插口的一个充电桩，在为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，用于将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述充电桩上，以使所述为所述当前负载充电的所述充电桩的功率输出满足所述当前负载的功率需求。
本实施例对充电桩系统中的现有充电桩进行改进，通过将现有各个充电桩上的功率按照负载的功率需求通过充电枪进行互连，从而在充电桩系统中一个充电桩功率小于负载功率需求的情形下，实现了各个充电桩之间能够低成本高效率的进行功率互连的技术效果。
可选地，所述设置有充电枪插口的一个充电桩，在检测到所述其他充电桩的充电枪与所述设置有充电枪插口的一个充电桩上的充电枪插口已经处于连接状态后，用于将所述连接起来的至少两个充电桩的功率共同输出给所述负载。
可选地，所述充电桩系统中其他充电桩为多个的情形下，所述多个其他充电桩，用于通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来。
可选地，所述在一个设置有充电枪插口的所述充电桩，在为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，用于在确定与为当前负载充电的一个所述设置有充电枪插口的充电桩距离最近的一个或多个处于空闲状态的充电桩后，发出将距离最近的一个或多个处于空闲状 态的充电桩通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令。
可选地，在一个设置有充电枪插口充电桩上，所述充电枪插口，用于与所述充电桩内部的功率单元的输出端通过接触器相连，与所述功率单元形成串联，从而形成功率并联。
具体地，如图4，在所述充电桩系统中，包括充电桩一101和充电桩二201，具体包括充电枪102、通信接口CAN103、通信接口CAN104、充电桩控制器105、功率线106、充电桩功率模块107、充电桩插座108，充电枪202以及所述充电桩二201中的其他部件。其中，上述各单元功能如下：
充电桩一101，用于提供电动汽车所需电能。
充电枪102，用于连接充电桩一101与负载，如图中负载为电动汽车的情形下，所述充电枪102用于实现与所述电动汽车进行能量传输和通信。
通信接口CAN103，与充电桩控制器105连接，用于实现充电桩控制器105与电动汽车之间进行通信；也用于与所述充电桩一101并联的充电桩二201进行通信。
通信接口CAN104，与充电枪插座108连接，用于在所述串联起来的充电桩一101和充电桩二201充电桩间进行通信。
充电桩控制器105，用于控制充电桩对负载的进行充放电，以及用于控制串联所述充电桩一101并联的充电桩二201的进程，在串联后，对所述两个充电桩之间的能量传输和通信进行控制和调度。
功率线106，用于在充电桩中进行能量传输。
充电桩功率模块107，AC-DC转换单元，用于为电动汽车提供能量。
充电枪插座108，设置在所述充电桩一101上，用于为将所述充电枪202插入到所述充电桩101提供接口，以实现将所述充电桩充电桩一101与所述充电桩二201进行串联，从而实现功率并联。
在为电动汽车充电的过程中，所述系统工作原理为：在充电桩101的充电桩控制器105探测到输出功率不能够满足负载电动汽车的功率需求时，所述充电控制器105控制执行物理连接,控制将所述充电枪202插入到充电桩插座108；
所述充电桩一101与充电桩二201进行桩桩握手,充电枪202插入到充电桩插座108，充电桩控制器105的通信接口CAN104和充电桩控制器205的通信接口CAN203，挂接在同一条CAN总线上，触发接口CAN地址进行重拍，充电桩控制器105和充电桩控制器205能够分别识别到对方的存在。此发明中由充电桩控制器105担任主机，负责功率的分配和调度；
电动汽车与所述充电桩一101进行车桩握手，将充电枪102插入到电动汽车后，根据GBT 27930-2015《电动汽车非车载传导式充电机与电池管理系统之间的通信协议》完成握手，此处不做详述；
所述系统进行绝缘检测与泄放，具体包括充电桩控制器105下发绝缘检测命令至充电桩控制器205，所述充电桩控制器205控制充电功率模块207输出绝缘检测输出电压，所述205实时上报绝缘检测电压，同时所述105检测接触器109、接触器110靠近所述充电桩插座108侧的电压。所述105检测的电压U1与所述205上报的电压 满足误差范围后，所述105控制充电功率模块输出电压U2至所述105检测到的所述U1。当所述U2和U1满足误差范围后，所述105控制接触器109和接触器110闭合。所述105闭合充电桩母排主接触器(K1、K2)。其中，电动汽车与所述充电桩一101之间的接触器(K1、K2)原理图参见，GBT 18487.1-2015《电动汽车传导充电系统第1部分：通用要求》；
所述充电桩一101和充电桩二201之间进行桩桩参数协同，电动汽车上报充电需求后，充电桩控制器105根据充电需求，按照每个充电桩的功率，按比例分配电流。并联的充电桩输出电压都满足充电条件后，105闭合接触器109和接触器110，105闭合充电桩母排主接触器(K1、K2)。电动汽车与充电桩1之间的接触器(K1、K2)原理图参见，GBT 18487.1-2015《电动汽车传导充电系统第1部分：通用要求》；能量传输，充电桩控制器105根据充电需求，按照每个充电桩的功率，按比例分配电流；
所述系统进行能量智能调节，具体包括充电桩控制器105根据车辆的需求，实时判断当前所需并联充电桩的数量。例如：当充电桩控制器105检测到，充电桩一101独自能够满足电动汽车的充电需求。则逐渐增大充电桩一101的输出电流，并实时减小充电桩二201的输出电流，当充电桩一能够独自提供电能时，则充电桩控制器105切断接触器109、110。此时，充电桩二201的用户界面显示，充电桩二201的状态为空闲；充电完成。
如图5，为本发明实施例提供的一种充电桩并机的充电方法，其中，所述充电桩系统包括至少两个充电桩，各个所述充电桩上设置有充电枪，所述充电枪用于为负载充电，所述充电枪内部包括功率线与通信线，包括：
至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的相连接；
在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求。
可选地，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令之后，还包括：
所述系统获取到所述充电枪与所述充电插口已经处于连接状态的指令后，所述连接起来的两个充电桩共同为所述负载输出电能。
可选地，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求，具体包括：
在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中一个或多个其他充电桩的通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求。
可选地，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中一个或多个其他充电桩的通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令，具体包括：
所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统确定与为当前负载充电的一个所述设置有充电枪插口的充电桩距离最近的一个或多个处于空闲状态的充电桩后，所述系统发出将距离最近的一个或多个处于空闲状态的充电桩通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令。
可选地，至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的相连接，具体包括：
至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的输出端相连，与所述功率单元形成串联。
所述充电桩并机的充电方法，对充电桩系统中的现有充电桩进行改进，通过将现有各个充电桩上的功率按照负载的功率需求通过充电枪进行互连，从而在充电桩系统中一个充电桩功率小于负载功率需求的情形下，实现了各个充电桩之间能够低成本高效率的进行功率互连的技术效果。
如图6所示，为本发明实施例中的一种方法流程图，本方法流程图可以应用于图3或图4的充电桩系统。包括:
步骤S601，涉及物理连接,在充电桩101的充电桩控制器105探测到输出功率不能够满足负载电动汽车的功率需求时，所述充电控制器105控制执行物理连接,控制将所述充电枪202插入到充电桩插座108。
步骤S602，涉及桩桩握手,所述充电桩一101与充电桩二201进行桩桩握手,具体包括将充电枪202插入到充电桩插座108后，充电桩控制器105的通信接口CAN104和充电桩控制器205的通信接口CAN203，挂接在同一条CAN总线上，触发接口CAN地址进行重拍，充电桩控制器105和充电桩控制器205能够分别识别到对方的存在。此发明中由充电桩控制器105担任主机，负责功率的分配和调度；
步骤S603，涉及车桩握手，电动汽车与所述充电桩一101进行车桩握手，将充电枪102插入到电动汽车后，根据GBT 27930-2015《电动汽车非车载传导式充电机与电池管理系统之间的通信协议》完成握手，此处不做详述。
步骤S604，涉及绝缘检测与泄放，所述系统进行绝缘检测与泄放，具体包括充电桩控制器105下发绝缘检测命令至充电桩控制器205，所述充电桩控制器205控制充电功率模块207输出绝缘检测输出电压，所述205实时上报绝缘检测电压，同时所述 105检测接触器109、接触器110靠近所述充电桩插座108侧的电压。所述105检测的电压U1与所述205上报的电压满足误差范围后，所述105控制充电功率模块输出电压U2至所述105检测到的所述U1。当所述U2和U1满足误差范围后，所述105控制接触器109和接触器110闭合。所述105闭合充电桩母排主接触器(K1、K2)。其中，电动汽车与所述充电桩一101之间的接触器(K1、K2)原理图参见，GBT18487.1-2015《电动汽车传导充电系统第1部分：通用要求》。
步骤S605，涉及桩桩参数协同，所述充电桩一101和充电桩二201之间进行桩桩参数协同，电动汽车上报充电需求后，充电桩控制器105根据充电需求，按照每个充电桩的功率，按比例分配电流。并联的充电桩输出电压都满足充电条件后，105闭合接触器109和接触器110，105闭合充电桩母排主接触器(K1、K2)。电动汽车与充电桩1之间的接触器(K1、K2)原理图参见，GBT 18487.1-2015《电动汽车传导充电系统第1部分：通用要求》。
步骤S606，涉及能量传输，充电桩控制器105根据充电需求，按照每个充电桩的功率，按比例分配电流。
步骤S607，涉及能量智能调节，所述系统进行能量智能调节，具体包括充电桩控制器105根据所述电动汽车的需求，实时判断当前所需并联充电桩的数量。例如：当充电桩控制器105检测到，充电桩一101独自能够满足电动汽车的充电需求。则逐渐增大充电桩一101的输出电流，并实时减小充电桩二201的输出电流，当充电桩一能够独自提供电能时，则充电桩控制器105切断接触器109、110。此时，充电桩二201的用户界面显示，充电桩二201的状态为空闲。
步骤S608，充电完成。
所述充电桩系统充电方法通过将现有各个充电桩上的功率按照负载的功率需求通过充电枪进行互连，从而在充电桩系统中一个充电桩功率小于负载功率需求的情形下，实现了各个充电桩之间能够低成本高效率的进行功率互连的技术效果。
本所属领域的技术人员可以清楚地了解到，本发明提供的各实施例的描述可以相互参照，为描述的方便和简洁，例如关于本发明实施例提供的各装置、设备的功能以及执行的步骤可以参照本发明方法实施例的相关描述。以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，还包括本领域技术人员做出的其他等效替换方案。

Claims (10)

  1. 一种充电桩并机的充电桩系统，所述充电桩系统包括至少两个充电桩，各个所述充电桩上设置有充电枪，所述充电枪用于为负载充电，所述充电枪内部包括功率线与通信线，其特征在于，
    至少一个充电桩上还设置有充电枪插口，所述充电桩插口一端与设置有所述充电桩插口的充电桩内部的功率单元相连接，所述充电枪插口另一端用于连接插入到设置有所述充电桩插口的充电桩上的其他充电桩的充电枪；
    设置有充电枪插口的一个充电桩，在为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，用于将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述充电桩上，以使所述为所述当前负载充电的所述充电桩的功率输出满足所述当前负载的功率需求。
  2. 根据权利要求1所述的充电桩系统，其特征在于，所述设置有充电枪插口的一个充电桩，在检测到所述其他充电桩的充电枪与所述设置有充电枪插口的一个充电桩上的充电枪插口已经处于连接状态后，用于将所述连接起来的至少两个充电桩的功率共同输出给所述负载。
  3. 根据权利要求1或2所述的充电桩系统，其特征在于，所述充电桩系统中其他充电桩为多个的情形下，多个所述其他充电桩，用于通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来。
  4. 根据权利要求3所述的充电桩系统，其特征在于，所述在一个设置有充电枪插口的所述充电桩，在为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，用于在确定与为当前负载充电的一个所述设置有充电枪插口的充电桩距离最近的一个或多个处于空闲状态的充电桩后，发出将距离最近的一个或多个处于空闲状态的充电桩通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的指令。
  5. 根据权利要求4所述所述的充电桩系统，其特征在于，在一个设置有充电枪插口充电桩上，所述充电枪插口，用于与所述充电桩内部的功率单元的输出端通过接触器相连，与所述功率单元形成串联，从而形成功率并联。
  6. 一种充电桩并机的充电方法，其中，所述充电桩系统包括至少两个充电桩，各个所充电桩上设置有充电枪，所述充电枪用于为负载充电，所述充电枪内部包括功率线与通信线，其特征在于，包括：
    至少一个充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的相连接；
    在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求。
  7. 根据权利要求6所述的方法，其特征在于，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充 电枪插口的充电桩的功率输出的情形下，将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上之后，还包括：
    获取所述充电枪与所述充电插口已经处于连接状态的指令，所述连接起来的两个充电桩共同为所述负载输出电能。
  8. 根据权利要求6或7所述的方法，其特征在于，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统发出将所述充电桩系统中其他充电桩的充电枪插入到设置有充电枪插口的所述一个充电桩上的指令，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求，具体包括：
    在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，将所述充电桩系统中一个或多个其他充电桩的通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来，以使所述为所述当前负载充电的所述一个充电桩的功率输出满足所述当前负载的功率需求。
  9. 根据权利要求8所述的方法，其特征在于，所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，将所述充电桩系统中一个或多个其他充电桩的通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来，具体包括：
    所述在一个设置有充电枪插口的所述充电桩为负载充电且所述负载的功率需求大于为当前负载充电的一个所述设置有充电枪插口的充电桩的功率输出的情形下，所述系统确定与为当前负载充电的一个所述设置有充电枪插口的充电桩距离最近的一个或多个处于空闲状态的充电桩后，将距离最近的一个或多个处于空闲状态的充电桩通过各自的充电枪与所述设置有充电枪插口的所述一个充电桩依次串联起来的。
  10. 根据权利要求9所述的方法，其特征在于，所述至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的相连接，具体包括：
    至少一个所述充电桩上设置有充电枪插口，所述充电桩插口与充电桩内部的功率单元的输出端相连，与所述功率单元形成串联，从而形成功率并联。
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