TWI745543B - Battery charging system and electric vehicle charging station containing the system - Google Patents

Battery charging system and electric vehicle charging station containing the system Download PDF

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Publication number
TWI745543B
TWI745543B TW107104476A TW107104476A TWI745543B TW I745543 B TWI745543 B TW I745543B TW 107104476 A TW107104476 A TW 107104476A TW 107104476 A TW107104476 A TW 107104476A TW I745543 B TWI745543 B TW I745543B
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Taiwan
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charging
battery
module
communication
monitoring module
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TW107104476A
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Chinese (zh)
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TW201906272A (en
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海岩 林
李楠
丁習坤
田小濤
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大陸商蔚來（安徽）控股有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • 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
    • 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
    • B60L53/63—Monitoring or controlling charging stations in response to network capacity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/80—Time limits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using 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
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本發明涉及新能源汽車技術，特別涉及用於為電動汽車充電的電池充電系統和包含該系統的電動汽車充電站。按照本發明的電池充電系統包含：一個或多個電池充電單元，每個包含：充電模組，所述充電模組配置為適於對多個電池組進行充電；動力切換模組，所述動力切換模組包含多個充電通道，其中，所述多個電池組的每一個經各自對應的充電通道與所述充電模組建立充電連接；通信切換模組，所述通信切換模組包含多個通信通道，其中，所述多個電池組的每一個經各自對應的通信通道與所述充電模組建立通信連接；以及本地監控模組，所述本地監控模組配置為與每個所述電池充電單元中的動力切換模組和通信切換模組相連。The present invention relates to new energy vehicle technology, in particular to a battery charging system for charging electric vehicles and an electric vehicle charging station containing the system. The battery charging system according to the present invention includes: one or more battery charging units, each including: a charging module configured to be adapted to charge a plurality of battery packs; a power switching module, the power The switching module includes a plurality of charging channels, wherein each of the plurality of battery packs establishes a charging connection with the charging module through a respective corresponding charging channel; a communication switching module, the communication switching module includes a plurality of Communication channel, wherein each of the plurality of battery packs establishes a communication connection with the charging module via a respective corresponding communication channel; and a local monitoring module, the local monitoring module is configured to communicate with each battery The power switching module in the charging unit is connected to the communication switching module.

Description

電池充電系統和包含該系統的電動汽車充電站Battery charging system and electric vehicle charging station containing the system

本發明涉及新能源汽車技術，特別涉及用於為電動汽車充電的電池充電系統和包含該系統的電動汽車充電站。The present invention relates to new energy vehicle technology, in particular to a battery charging system for charging electric vehicles and an electric vehicle charging station containing the system.

為了大幅減少汽車的二氧化碳排放量，汽車業正在投入大量的人力和物力來研發以電力作為動力源的新型汽車，例如電動汽車。由於對環境影響相對傳統汽車較小，新能源汽車的前景被廣泛看好。然而，純電動汽車市場的普及推廣還存在不少困難。例如電池的能量補充就是一個比較突出的問題。具體而言，在新型汽車中，電池被用來存儲電能，考慮到安全性、成本和使用壽命，目前開發的電動汽車的電池能量密度並不高，這限制了其每次充電後的續航距離，因此提供經濟高效的充電資源是使新能源汽車被市場接受的重要方面。 　　目前充電站常通過擴充充電機數量的辦法來滿足日益增多的充電需求。但是這種方式存在諸多缺點，例如由於充電設備價格較貴，營運商的投資和維護成本居高不下；再者，城市土地資源的緊張也使一個充電站內擁有的充電機數量受到限制。 　　因此提供經濟高效的充電設備是市場迫切需要的。In order to significantly reduce the carbon dioxide emissions of automobiles, the automobile industry is investing a lot of manpower and material resources to develop new types of automobiles that use electricity as a power source, such as electric cars. As the environmental impact is relatively small compared with traditional cars, the prospects of new energy vehicles are widely optimistic. However, there are still many difficulties in the popularization and promotion of the pure electric vehicle market. For example, the replenishment of battery energy is a more prominent problem. Specifically, in new cars, batteries are used to store electrical energy. Considering safety, cost and service life, the battery energy density of currently developed electric cars is not high, which limits their battery life after each charge. Therefore, providing cost-effective charging resources is an important aspect of making new energy vehicles accepted by the market.　　 At present, charging stations often meet the increasing demand for charging by expanding the number of chargers. However, this method has many disadvantages. For example, due to the relatively expensive charging equipment, the operator's investment and maintenance costs remain high; in addition, the shortage of urban land resources also limits the number of chargers in a charging station.　　 Therefore, it is an urgent need for the market to provide cost-effective charging equipment.

本發明的一個目的是提供一種電池充電系統，其能夠經濟高效地提供充電資源。 　　按照本發明一個方面的電池充電系統包含： 　　一個或多個電池充電單元，每個電池充電單元包含： 　　充電模組，所述充電模組配置為適於對多個電池組進行充電； 　　動力切換模組，所述動力切換模組包含多個充電通道，其中，所述多個電池組的每一個經各自對應的充電通道與所述充電模組建立充電連接； 　　通信切換模組，所述通信切換模組包含多個通信通道，其中，所述多個電池組的每一個經各自對應的通信通道與所述充電模組建立通信連接；以及 　　本地監控模組，所述本地監控模組被配置為與每個所述電池充電單元中的動力切換模組和通信切換模組相連，並且對於每個所述電池充電單元，所述本地監控模組還被配置為當確定需結束當前被充電的電池組的充電操作時，斷開與該電池組對應的充電通道和通信通道，並且 　　使對應於多個電池組內其它需要充電的電池組的充電通道和通信通道導通。 　　優選地，在上述電池充電系統中，所述本地監控模組確保每個所述電池充電單元的充電模組在充電時僅與所述多個電池組的其中一個建立相應的充電連接和通信連接。 　　優選地，在上述電池充電系統中，所述本地監控模組借助互鎖機制確保每個所述電池充電單元的充電模組在充電時僅與所述多個電池組的其中一個建立相應的充電連接。 　　優選地，在上述電池充電系統中，進一步包含通信開出板，所述本地監控模組經所述通信開出板與各個所述電池充電單元的動力切換模組和通信切換模組相連。 　　優選地，在上述電池充電系統中，所述本地監控模組根據當前被充電的電池組的狀態資訊確定是否需要結束充電操作。 　　優選地，在上述電池充電系統中，所述本地監控模組經所述通信切換模組與電池組的電池管理系統通信以接收充電請求和電池組的狀態資訊。 　　優選地，在上述電池充電系統中，每個所述充電通道包括常開直流接觸器，所述本地監控模組通過控制所述常開直流接觸器實現對所述充電通道的通斷狀態的控制。 　　優選地，在上述電池充電系統中，每個所述電池充電單元的充電模組與電池組的電池管理系統的通信以及與所述本地監控模組的通信採用CAN匯流排協定。 　　本發明的還有一個目的是提供一種電動汽車充電站，其能夠經濟高效地提供充電資源。 　　按照本發明一個方面的電動汽車充電站包含： 　　至少一個如上所述的電池充電系統；以及 　　遠端監控模組，所述遠端監控模組配置為與所述電池充電系統的本地監控模組通信。 　　優選地，在上述電動汽車充電站中，所述遠端監控模組與所述本地監控模組的通信採用乙太網通信協定。 　　與現有技術相比，按照本發明上述各個方面的電池充電系統可以在電池組之間自動切換充電操作，因此有效提高了充電設備的利用率，從而降低充電站的投資和運營成本。此外，在充電過程中，通過確保每個電池充電單元的充電模組僅與多個電池組的其中一個建立相應的充電連接和通信連接，提高了設備營運的安全性。再者，包含遠端監控模組和本地監控模組的層級監控架構使得使用者能夠根據實際需要採用相應的監控策略。An object of the present invention is to provide a battery charging system that can provide charging resources cost-effectively and efficiently. A battery charging system according to one aspect of the present invention includes: one or more battery charging units, each battery charging unit includes: a charging module configured to be suitable for charging a plurality of battery packs; 　　 power switching mode The power switching module includes a plurality of charging channels, wherein each of the plurality of battery groups establishes a charging connection with the charging module through a respective corresponding charging channel; 　　 communication switching module, the communication switching The module includes a plurality of communication channels, wherein each of the plurality of battery packs establishes a communication connection with the charging module via a respective corresponding communication channel; and a local monitoring module, the local monitoring module is configured to It is connected to the power switching module and the communication switching module in each battery charging unit, and for each battery charging unit, the local monitoring module is also configured to end the currently charged battery when it is determined that During the charging operation of the battery pack, the charging channel and the communication channel corresponding to the battery pack are disconnected, and the charging channels and communication channels corresponding to other battery packs in the multiple battery packs that need to be charged are turned on. Preferably, in the above battery charging system, the local monitoring module ensures that the charging module of each battery charging unit only establishes a corresponding charging connection and communication connection with one of the plurality of battery packs during charging . Preferably, in the above-mentioned battery charging system, the local monitoring module uses an interlocking mechanism to ensure that the charging module of each battery charging unit only establishes a corresponding charging with one of the plurality of battery packs during charging. connect.　　 Preferably, in the above-mentioned battery charging system, a communication switch-out board is further included, and the local monitoring module is connected to the power switch module and the communication switch module of each battery charging unit via the communication switch-out board.　　 Preferably, in the above-mentioned battery charging system, the local monitoring module determines whether it is necessary to end the charging operation according to the status information of the currently charged battery pack.　　 Preferably, in the above-mentioned battery charging system, the local monitoring module communicates with the battery management system of the battery pack via the communication switching module to receive charging requests and status information of the battery pack. Preferably, in the above-mentioned battery charging system, each of the charging channels includes a normally open DC contactor, and the local monitoring module controls the on-off state of the charging channel by controlling the normally open DC contactor .　　 Preferably, in the above-mentioned battery charging system, the communication between the charging module of each battery charging unit and the battery management system of the battery pack and the communication with the local monitoring module adopt the CAN bus protocol.　　 Another object of the present invention is to provide an electric vehicle charging station that can provide charging resources cost-effectively and efficiently. An electric vehicle charging station according to one aspect of the present invention includes: 　　 at least one battery charging system as described above; and a remote monitoring module configured to communicate with a local monitoring module of the battery charging system .　　 Preferably, in the above-mentioned electric vehicle charging station, the communication between the remote monitoring module and the local monitoring module adopts an Ethernet communication protocol. "Compared with the prior art, the battery charging system according to the above aspects of the present invention can automatically switch charging operations between battery packs, thereby effectively improving the utilization of charging equipment, thereby reducing the investment and operating costs of charging stations. In addition, during the charging process, by ensuring that the charging module of each battery charging unit only establishes a corresponding charging connection and communication connection with one of the multiple battery packs, the safety of equipment operation is improved. Furthermore, the hierarchical monitoring architecture including remote monitoring modules and local monitoring modules enables users to adopt corresponding monitoring strategies according to actual needs.

下面參照其中圖示了本發明示意性實施例的附圖更為全面地說明本發明。但本發明可以按不同形式來實現，而不應解讀為僅限於本文給出的各實施例。給出的上述各實施例旨在使本文的披露全面完整，以將本發明的保護範圍更為全面地傳達給本領域技術人員。 　　在本說明書中，諸如“包含”和“包括”之類的用語表示除了具有在說明書和申請專利範圍中有直接和明確表述的單元和步驟以外，本發明的技術方案也不排除具有未被直接或明確表述的其它單元和步驟的情形。 　　諸如“第一”和“第二”之類的用語並不表示單元在時間、空間、大小等方面的順序而僅僅是作區分各單元之用。 　　需要指出的是，本說明書中所述的電動汽車包括純電動汽車和插電混合動力汽車。 　　圖1為按照本發明一個實施例的電池充電系統的示意圖。 　　如圖1所示，按照本實施例的電池充電系統10包含充電模組110、動力切換模組120、通信切換模組130和本地監控模組140。 　　在圖1所示的電池充電系統10中，充電模組110為核心部件，其例如將外部電源的交流電能轉變為直流電能以實現對電池組B1-Bn的充電。如圖1所示，充電模組110至少包含兩個通信介面以分別與電池組B1-Bn的電池管理系統(未示出)和本地監控模組140通信。 　　參見圖1，動力切換模組120位於充電模組110與電池組B1-Bn之間。特別是，動力切換模組120包含多個通斷狀態可控的開關元件，每個開關元件連接在充電模組110與多個電池組B1-Bn的其中一個之間以形成相應的充電通道，由此使得充電模組110能夠選擇性地對多個電池組B1-Bn中的任意一個進行充電或與多個電池組B1-Bn的任意一個建立充電連接。 　　再次參見圖1，通信切換模組130位於充電模組110與電池組B1-Bn之間以使充電模組110能夠選擇性地與多個電池組B1-Bn的任意一個的電池管理系統進行通信。特別是，通信切換模組130包含多個通斷狀態可控的開關元件，每個開關元件連接在充電模組110與多個電池組B1-Bn的其中一個的電池管理系統之間以形成相應的通信通道。在充電過程中，借助于所建立的與電池管理系統的通信連接，充電模組110可以獲取電池組的狀態資訊並基於狀態資訊優化充電操作。 　　優選地，上述開關元件例如可以是直流接觸器，並且更好地，可以是常開直流接觸器。 　　優選地，充電模組110與電池組B1-Bn的電池管理系統的通信採用CAN匯流排協定。 　　本地監控模組140配置為與動力切換模組120和通信切換模組130相連以控制充電通道和通信通道的通斷狀態。例如本地監控模組140可通過控制直流接觸器實現充電通道和通信通道的導通和關斷。另一方面，本地監控模組140還可與電池組B1-Bn的電池管理系統通信以接收充電請求和電池組的狀態資訊。在本實施例中，如圖1所示，本地監控模組140經通信切換模組130與電池組B1-Bn的電池管理系統通信。優選地，本地監控模組140與電池管理系統的通信採用CAN匯流排協定。 　　此外，如圖1所示，本地監控模組140還可與充電模組110和遠端監控模組160通信。優選地，本地監控模組140與充電模組110的通信採用CAN匯流排協定，而與遠端監控模組160的通信採用乙太網通信協定。 　　優選地，圖1所示的電池充電系統10還包含通信開出板150。本地監控模組140可經該通信開出板150與動力切換模組120和通信切換模組130相連，從而對充電通道和通信通道的通斷狀態進行控制。 　　優選地，在對充電通道和通信通道的通斷狀態的控制中，本地監控模組140應確保充電模組110在工作時僅與多個電池組B1-Bn的其中一個建立相應的充電連接和通信連接。更好地，本地監控模組140例如可借助互鎖機制來確保單一的充電連接。 　　在本實施例中，優選地，充電模組110可在不同的電池組B1-Bn之間實現充電操作的自動切換。 　　圖2為可應用於圖1所示實施例的充電自動切換方法的流程圖。 　　圖2所示的流程圖開始於步驟201，在該步驟中，開啟本地監控模組140和充電模組110。可選地，在本步驟中，還可以開啟遠端監控模組160以提供遠端控制功能。隨後進入步驟202，查詢本地監控模組140、遠端監控模組160和充電模組110的狀態以確定是否能夠正常運行，如果能，則進入步驟203，否則進入步驟204，生成系統異常的報警消息。 　　在步驟203，本地監控模組140以輪詢方式從電池組B1-Bn的電池管理系統接收消息。例如，如圖1所示，本地監控模組140經通信開出板150和通信切換模組130與電池組B1-Bn的電池管理系統通信以接收可能的充電請求。 　　在步驟205，本地監控模組140判斷是否接收到來自電池組B1-Bn的電池管理系統的充電請求，如果存在充電請求，則進入步驟206，否則返回步驟203。 　　在步驟206，本地監控模組140經通信開出板150與發送充電請求的電池組的電池管理系統建立通信連接並且遮罩與其它電池組的電池管理系統的通信。需要指出的是，在本步驟中，當存在多個充電請求時，本地監控模組140可以根據設定的策略確定電池組的充電順序，並且與優選度最高的電池組的電池管理系統建立通信連接。 　　隨後進入步驟207，本地監控模組140例如經通信開出板150與動力切換模組120通信，指示動力切換模組120開啟與步驟206中已經建立通信連接的電池組相對應的充電通道並且將其餘的充電通道鎖死，與此同時，本地監控模組140還例如經通信開出板150與通信切換模組130通信，指示通信切換模組130僅僅開啟與步驟206中已經建立通信連接的電池組相對應的通信通道。 Hereinafter, the present invention will be explained more fully with reference to the accompanying drawings in which exemplary embodiments of the present invention are illustrated. However, the present invention can be implemented in different forms, and should not be interpreted as being limited to the embodiments given herein. The foregoing embodiments are given to make the disclosure in this document comprehensive and complete, so as to more comprehensively convey the protection scope of the present invention to those skilled in the art. In this specification, terms such as "including" and "including" mean that in addition to units and steps that are directly and clearly stated in the specification and the scope of the patent application, the technical solution of the present invention does not exclude Or other units and steps clearly stated.　　 Terms such as "first" and "second" do not indicate the order of units in terms of time, space, size, etc., but are merely used to distinguish each unit.　　 It should be pointed out that the electric vehicles mentioned in this specification include pure electric vehicles and plug-in hybrid vehicles.　　 FIG. 1 is a schematic diagram of a battery charging system according to an embodiment of the present invention. "As shown in FIG. 1, the battery charging system 10 according to this embodiment includes a charging module 110, a power switching module 120, a communication switching module 130, and a local monitoring module 140.　　 In the battery charging system 10 shown in FIG. 1, the charging module 110 is a core component, which, for example, converts AC power from an external power source into DC power to charge the battery packs B1-Bn. As shown in FIG. 1, the charging module 110 includes at least two communication interfaces to communicate with the battery management system (not shown) of the battery packs B1-Bn and the local monitoring module 140 respectively.　　 Referring to Fig. 1, the power switching module 120 is located between the charging module 110 and the battery packs B1-Bn. In particular, the power switching module 120 includes a plurality of switch elements with controllable on and off states, and each switch element is connected between the charging module 110 and one of the plurality of battery packs B1-Bn to form a corresponding charging channel, As a result, the charging module 110 can selectively charge any one of the plurality of battery packs B1-Bn or establish a charging connection with any one of the plurality of battery packs B1-Bn. 1 again, the communication switching module 130 is located between the charging module 110 and the battery packs B1-Bn so that the charging module 110 can selectively communicate with the battery management system of any one of the plurality of battery packs B1-Bn . In particular, the communication switching module 130 includes a plurality of on-off state controllable switching elements, and each switching element is connected between the charging module 110 and the battery management system of one of the plurality of battery packs B1-Bn to form a corresponding Communication channel. During the charging process, with the help of the established communication connection with the battery management system, the charging module 110 can obtain the status information of the battery pack and optimize the charging operation based on the status information.　　 Preferably, the above-mentioned switching element may be, for example, a DC contactor, and more preferably, may be a normally open DC contactor.　　 Preferably, the communication between the charging module 110 and the battery management system of the battery packs B1-Bn adopts the CAN bus protocol. The local monitoring module 140 is configured to be connected to the power switching module 120 and the communication switching module 130 to control the on-off state of the charging channel and the communication channel. For example, the local monitoring module 140 can realize the on and off of the charging channel and the communication channel by controlling the DC contactor. On the other hand, the local monitoring module 140 can also communicate with the battery management system of the battery packs B1-Bn to receive charging requests and status information of the battery packs. In this embodiment, as shown in FIG. 1, the local monitoring module 140 communicates with the battery management system of the battery packs B1-Bn via the communication switching module 130. Preferably, the communication between the local monitoring module 140 and the battery management system adopts the CAN bus protocol.　　 In addition, as shown in FIG. 1, the local monitoring module 140 can also communicate with the charging module 110 and the remote monitoring module 160. Preferably, the communication between the local monitoring module 140 and the charging module 110 adopts the CAN bus protocol, and the communication with the remote monitoring module 160 adopts the Ethernet communication protocol.　　 Preferably, the battery charging system 10 shown in FIG. 1 further includes a communication opening board 150. The local monitoring module 140 can be connected to the power switching module 120 and the communication switching module 130 via the communication opening board 150, so as to control the on-off state of the charging channel and the communication channel. Preferably, in the control of the on-off state of the charging channel and the communication channel, the local monitoring module 140 should ensure that the charging module 110 only establishes a corresponding charging connection and charging connection with one of the multiple battery packs B1-Bn during operation. Communication connection. Preferably, the local monitoring module 140 can ensure a single charging connection by means of an interlocking mechanism, for example. "In this embodiment, preferably, the charging module 110 can realize automatic switching of charging operations between different battery packs B1-Bn.　　 FIG. 2 is a flowchart of a charging automatic switching method applicable to the embodiment shown in FIG. 1.　　 The flowchart shown in Fig. 2 starts at step 201, in which the local monitoring module 140 and the charging module 110 are turned on. Optionally, in this step, the remote monitoring module 160 can also be turned on to provide a remote control function. Then go to step 202 to query the status of the local monitoring module 140, the remote monitoring module 160, and the charging module 110 to determine whether it can operate normally, if it can, go to step 203, otherwise go to step 204, and generate a system abnormal alarm information. "In step 203, the local monitoring module 140 receives messages from the battery management systems of the battery packs B1-Bn in a polling manner. For example, as shown in FIG. 1, the local monitoring module 140 communicates with the battery management system of the battery packs B1-Bn via the communication opening board 150 and the communication switching module 130 to receive possible charging requests. "In step 205, the local monitoring module 140 determines whether a charging request from the battery management system of the battery pack B1-Bn is received, and if there is a charging request, it proceeds to step 206, otherwise returns to step 203.　　 In step 206, the local monitoring module 140 establishes a communication connection with the battery management system of the battery pack that sends the charging request via the communication opening board 150 and shields the communication with the battery management system of other battery packs. It should be pointed out that in this step, when there are multiple charging requests, the local monitoring module 140 can determine the charging sequence of the battery pack according to the set strategy, and establish a communication connection with the battery management system of the battery pack with the highest priority. . Then it proceeds to step 207, the local monitoring module 140 communicates with the power switching module 120 via the communication opening board 150, for example, instructs the power switching module 120 to open the charging channel corresponding to the battery pack that has established a communication connection in step 206, and to The remaining charging channels are locked. At the same time, the local monitoring module 140 also communicates with the communication switching module 130 via the communication opening board 150, and instructs the communication switching module 130 to only turn on the battery that has established a communication connection in step 206 The communication channel corresponding to the group.

接著進入步驟208，本地監控模組140查詢處於充電狀態下的電池組的狀態資訊。這裡所述的狀態資訊例如包括但不限於電池的SOC、溫度等。 Then, step 208 is entered, and the local monitoring module 140 queries the status information of the battery pack in the charging state. The status information mentioned here includes, but is not limited to, the SOC and temperature of the battery, for example.

隨後，在步驟209，本地監控模組140根據電池組的狀態資訊判斷對電池組的充電是否完成，如果完成，則進入步驟210，否則返回步驟208。 Subsequently, in step 209, the local monitoring module 140 determines whether the charging of the battery pack is completed according to the status information of the battery pack, if it is completed, it proceeds to step 210, otherwise returns to step 208.

在步驟210，本地監控模組140例如經通信開出板150與動力切換模組120和通信切換模組130通信，指示動力切換模組120和通信切換模組130將步驟207中導通的充電通道和通信通道切換至斷開狀態，並且取消對其它電池組的電池管理系統的遮罩。在完成步驟210之後，圖2所示的方法返回步驟203，以自動對下一個電池組進行充電。 In step 210, the local monitoring module 140 communicates with the power switching module 120 and the communication switching module 130 via the communication opening board 150, and instructs the power switching module 120 and the communication switching module 130 to connect the charging channel in step 207 And the communication channel is switched to the disconnected state, and the cover of the battery management system of other battery packs is cancelled. After completing step 210, the method shown in FIG. 2 returns to step 203 to automatically charge the next battery pack.

需要指出的是，在圖2所示的方法流程中，可選地，本地監控模組140執行的全部或部分操作也可以由遠端監控模組160來執行。 It should be pointed out that in the method flow shown in FIG. 2, optionally, all or part of the operations performed by the local monitoring module 140 may also be performed by the remote monitoring module 160.

雖然在圖1所示的實施例中，本地監控模組140僅對一個包含充電模組、動力切換模組和通信切換模組的電池充電單元的運行進行管理，但是本發明也可以拓展到本地監 控模組140對兩個或更多個電池充電單元的運行進行控制和管理的情形。 Although in the embodiment shown in FIG. 1, the local monitoring module 140 only manages the operation of a battery charging unit including a charging module, a power switching module, and a communication switching module, the present invention can also be extended to local Supervise A situation where the control module 140 controls and manages the operation of two or more battery charging units.

圖3A為按照本發明另一個實施例的電池充電系統的示意框圖。在圖3A所示的電池充電系統10中，本地監控模組140，可以同時管理多個電池充電單元的充電操作。 Fig. 3A is a schematic block diagram of a battery charging system according to another embodiment of the present invention. In the battery charging system 10 shown in FIG. 3A, the local monitoring module 140 can simultaneously manage the charging operations of multiple battery charging units.

圖3B為可應用於圖3A所示實施例的電池充電系統的電池充電單元的示意框圖。如圖3B所示，電池充電單元C1-Cn的每一個都包括充電模組110、動力切換模組120和通信切換模組130，這些模組具有與圖1和2所示實施例相同的特徵、功能和工作原理。特別是，本地監控模組140可按照與圖1和2所示實施例相同的方式控制每個電池充電單元中充電模組、動力切換模組和通信切換模組。 3B is a schematic block diagram of a battery charging unit applicable to the battery charging system of the embodiment shown in FIG. 3A. As shown in FIG. 3B, each of the battery charging units C1-Cn includes a charging module 110, a power switching module 120, and a communication switching module 130. These modules have the same features as the embodiment shown in FIGS. 1 and 2 , Function and working principle. In particular, the local monitoring module 140 can control the charging module, the power switching module, and the communication switching module in each battery charging unit in the same manner as the embodiment shown in FIGS. 1 and 2.

圖4為按照本發明另一實施例的電動汽車充電站的示意框圖。 Fig. 4 is a schematic block diagram of an electric vehicle charging station according to another embodiment of the present invention.

如圖4所示，本實施例的電動汽車充電站1包含一個或多個按照上面借助圖1-3所述實施例的電池充電系統10A-10N和遠端監控模組20，其中，遠端監控模組20被配置為與電池充電系統10A-10N中的本地監控模組通信。 As shown in FIG. 4, the electric vehicle charging station 1 of this embodiment includes one or more battery charging systems 10A-10N and remote monitoring modules 20 according to the embodiments described above with reference to FIGS. 1-3, wherein the remote The monitoring module 20 is configured to communicate with the local monitoring module in the battery charging system 10A-10N.

提供本文中提出的實施例和示例，以便最好地說明按照本技術及其特定應用的實施例，並且由此使本領域的技術人員能夠實施和使用本發明。但是，本領域的技術人員將會知道，僅為了便於說明和舉例而提供以上描述和示例。所提出的描述不是意在涵蓋本發明的各個方面或者將本發明局限於所公開的精確形式。 The embodiments and examples presented herein are provided in order to best illustrate the embodiments according to the present technology and its specific applications, and thereby enable those skilled in the art to implement and use the present invention. However, those skilled in the art will know that the above description and examples are provided only for ease of description and examples. The presented description is not intended to cover every aspect of the invention or to limit the invention to the precise form disclosed.

鑒於以上所述，本公開的範圍通過以下申請專利範圍來確定。In view of the above, the scope of the present disclosure is determined by the scope of the following patent applications.

10‧‧‧電池充電系統10A‧‧‧電池充電系統10B‧‧‧電池充電系統10N‧‧‧電池充電系統110‧‧‧充電模組120‧‧‧動力切換模組130‧‧‧通信切換模組140‧‧‧本地監控模組150‧‧‧通信開出板160‧‧‧遠端監控模組B1‧‧‧電池組B2‧‧‧電池組Bn‧‧‧電池組C1‧‧‧電池充電單元C2‧‧‧電池充電單元Cn‧‧‧電池充電單元10‧‧‧Battery charging system 10A‧‧‧Battery charging system 10B‧‧‧Battery charging system 10N‧‧‧Battery charging system 110‧‧‧Charging module 120‧‧‧Power switching module 130‧‧‧Communication switching module Group 140‧‧‧Local monitoring module 150‧‧‧Communication opening board 160‧‧‧Remote monitoring module B1‧‧‧Battery group B2‧‧‧Battery group Bn Unit C2‧‧‧Battery charging unit Cn‧‧‧Battery charging unit

本發明的上述和/或其它方面和優點將通過以下結合附圖的各個方面的描述變得更加清晰和更容易理解，附圖中相同或相似的單元採用相同的標號表示。附圖包括： 　　圖1為按照本發明一個實施例的電池充電系統的示意圖。 　　圖2為可應用於圖1所示實施例的充電自動切換方法的流程圖。 　　圖3A為按照本發明另一個實施例的電池充電系統的示意框圖。 　　圖3B為可應用於圖3A所示實施例的電池充電系統的電池充電單元的示意框圖。 　　圖4為按照本發明另一實施例的電動汽車充電站的示意框圖。The above and/or other aspects and advantages of the present invention will become clearer and easier to understand through the following description of each aspect in conjunction with the accompanying drawings. The same or similar elements in the accompanying drawings are represented by the same reference numerals. The drawings include: 　　 Figure 1 is a schematic diagram of a battery charging system according to an embodiment of the present invention.　　 FIG. 2 is a flowchart of a charging automatic switching method applicable to the embodiment shown in FIG. 1.　　 FIG. 3A is a schematic block diagram of a battery charging system according to another embodiment of the present invention.　　 FIG. 3B is a schematic block diagram of a battery charging unit applicable to the battery charging system of the embodiment shown in FIG. 3A.　　 FIG. 4 is a schematic block diagram of an electric vehicle charging station according to another embodiment of the present invention.

10‧‧‧電池充電系統 10‧‧‧Battery charging system

110‧‧‧充電模組 110‧‧‧Charging Module

120‧‧‧動力切換模組 120‧‧‧Power Switch Module

130‧‧‧通信切換模組 130‧‧‧Communication switching module

140‧‧‧本地監控模組 140‧‧‧Local Monitoring Module

150‧‧‧通信開出板 150‧‧‧Communication open board

160‧‧‧遠端監控模組 160‧‧‧Remote monitoring module

B1‧‧‧電池組 B1‧‧‧Battery Pack

B2‧‧‧電池組 B2‧‧‧Battery Pack

Bn‧‧‧電池組 Bn‧‧‧Battery Pack

Claims (10)

一種電池充電系統，其特徵在於，包含： 　　一個或多個電池充電單元，每個該電池充電單元包含： 　　充電模組，該充電模組配置為適於對多個電池組進行充電； 　　動力切換模組，該動力切換模組包含多個充電通道，其中，該多個電池組的每一個經各自對應的充電通道與該充電模組建立充電連接； 　　通信切換模組，該通信切換模組包含多個通信通道，其中，該多個電池組的每一個經各自對應的通信通道與該充電模組建立通信連接；以及 　　本地監控模組，該本地監控模組被配置為與每個該電池充電單元中的該動力切換模組和該通信切換模組相連，並且對於每個該電池充電單元，該本地監控模組還被配置為當確定需結束當前被充電的電池組的充電操作時，斷開與該電池組對應的充電通道和通信通道，並且使對應於多個電池組內其它需要充電的電池組的充電通道和通信通道導通。A battery charging system, comprising: one or more battery charging units, each battery charging unit includes: a charging module, the charging module is configured to be suitable for charging a plurality of battery packs; 　　 power switching mode The power switching module includes a plurality of charging channels, wherein each of the plurality of battery sets establishes a charging connection with the charging module through a respective corresponding charging channel; 　　 a communication switching module, the communication switching module includes a plurality of Communication channels, wherein each of the plurality of battery packs establishes a communication connection with the charging module through a respective corresponding communication channel; and a local monitoring module, the local monitoring module is configured to communicate with each battery charging unit The power switching module is connected to the communication switching module, and for each battery charging unit, the local monitoring module is also configured to disconnect when it is determined that the charging operation of the currently charged battery pack needs to be ended. The charging channel and the communication channel corresponding to the battery pack, and the charging channel and the communication channel corresponding to other battery packs that need to be charged in the plurality of battery packs are turned on. 如申請專利範圍第1項的電池充電系統，其中，該本地監控模組確保每個該電池充電單元的充電模組在充電時僅與該多個電池組的其中一個建立相應的充電連接和通信連接。For example, the battery charging system of item 1 of the scope of patent application, wherein the local monitoring module ensures that the charging module of each battery charging unit only establishes a corresponding charging connection and communication with one of the plurality of battery packs during charging connect. 如申請專利範圍第2項的電池充電系統，該本地監控模組借助互鎖機制確保每個該電池充電單元的充電模組在充電時僅與該多個電池組的其中一個建立相應的充電連接。For example, the battery charging system of the second item in the scope of patent application, the local monitoring module uses an interlocking mechanism to ensure that the charging module of each battery charging unit only establishes a corresponding charging connection with one of the multiple battery packs when charging . 如申請專利範圍第1項的電池充電系統，其中，進一步包含通信開出板，該本地監控模組經該通信開出板與各個該電池充電單元的動力切換模組和通信切換模組相連。For example, the battery charging system of the first item of the scope of patent application further includes a communication opening board, and the local monitoring module is connected to the power switching module and the communication switching module of each battery charging unit via the communication opening board. 如申請專利範圍第1項的電池充電系統，其中，該本地監控模組根據當前被充電的電池組的狀態資訊確定是否需要結束充電操作。For example, the battery charging system of the first item in the scope of patent application, wherein the local monitoring module determines whether the charging operation needs to be terminated according to the status information of the currently charged battery pack. 如申請專利範圍第5項的電池充電系統，其中，該本地監控模組經該通信切換模組與電池組的電池管理系統通信以接收充電請求和電池組的狀態資訊。For example, the battery charging system of item 5 of the scope of patent application, wherein the local monitoring module communicates with the battery management system of the battery pack via the communication switching module to receive charging requests and status information of the battery pack. 如申請專利範圍第1項的電池充電系統，其中，每個該充電通道包括常開直流接觸器，該本地監控模組通過控制該常開直流接觸器實現對該充電通道的通斷狀態的控制。For example, the battery charging system of item 1 of the scope of patent application, wherein each charging channel includes a normally open DC contactor, and the local monitoring module controls the on-off state of the charging channel by controlling the normally open DC contactor . 如申請專利範圍第6項的電池充電系統，其中，每個該電池充電單元的充電模組與電池組的電池管理系統的通信以及與該本地監控模組的通信採用CAN匯流排協定。For example, the battery charging system of item 6 of the scope of patent application, wherein the communication between the charging module of each battery charging unit and the battery management system of the battery pack and the communication with the local monitoring module adopt the CAN bus protocol. 一種電動汽車充電站，其包含： 　　至少一個如申請專利範圍第1至8項中任意一項的電池充電系統；以及 　　遠端監控模組，該遠端監控模組配置為與該電池充電系統的本地監控模組通信。An electric vehicle charging station, comprising: 　　 at least one battery charging system as in any one of items 1 to 8 in the scope of the patent application; and a remote monitoring module configured to be connected to the battery charging system Local monitoring module communication. 如申請專利範圍第9項的電動汽車充電站，其中，該遠端監控模組與該本地監控模組的通信採用乙太網通信協定。For example, the electric vehicle charging station of item 9 of the scope of patent application, wherein the communication between the remote monitoring module and the local monitoring module adopts the Ethernet communication protocol.
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