CN206559220U - 一种便携式电力电子转换装置 - Google Patents

一种便携式电力电子转换装置 Download PDF

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CN206559220U
CN206559220U CN201720201507.2U CN201720201507U CN206559220U CN 206559220 U CN206559220 U CN 206559220U CN 201720201507 U CN201720201507 U CN 201720201507U CN 206559220 U CN206559220 U CN 206559220U
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output end
circuit
input
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tension connector
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孙小波
张志伟
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Shanghai Automotive Engineering Technology Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • B60L53/20—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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33573—Full-bridge at primary side of an isolation transformer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • 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
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    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for 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
    • Y02T90/12—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
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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Dc-Dc Converters (AREA)

Abstract

本实用新型涉及一种便携式电力电子转换装置，包括输入端高压连接器、DC‑DC变换电路、输出端切换开关、第一逆变电路、直流输出端高压连接器、交流输出端高压连接器和转换控制器，输入端高压连接器连接DC‑DC变换电路的输入端，DC‑DC变换电路的输出端通过输出端切换开关分别连接第一逆变电路的输入端和直流输出端高压连接器，第一逆变电路的输出端连接交流输出端高压连接器，转换控制器通过第一开关驱动电路连接第一逆变电路，转换控制器分别通过变压比开关控制器和第二开关驱动电路连接DC‑DC变换电路。与现有技术相比，本装置能实现不同电动汽车之间直流电和交流电两种方式充电，结构简单、高效且便于携带。

Description

一种便携式电力电子转换装置
技术领域
本实用新型涉及电力系统技术领域，尤其是涉及一种便携式电力电子转换装置。
背景技术
随着科技的发展，电动汽车以其环保节能的优势越来越受到人们的青睐，但是电动汽车充电站的数量及其配套设备建设的进度一定程度上限制了电动车行业的发展。现有的电动汽车进行充电一般有两种方式：其一，直流充电，一般俗称快充；其二，交流充电，一般俗称慢充。当电动汽车需要进行续航充电时，会找到一个可以充电的地方进行快充或者慢充，来实现续航。当电动汽车在出行中电量不足而附近没有充电站，如果能有其他的电动汽车车主伸出援手，将自己车的一部分电量传输给电量不足的车，将很方便的解决燃眉之急，然而目前没有能够直接传输两辆电动汽车电量的装置。
申请号为201320542627.0的中国专利公开了一种多功能电动汽车充电装置，包括充电桩、储能单元、双向变流器、中央控制单元、电动汽车交流充电接口及电动汽车直流充电接口，该装置将交直流充电桩一体化，能在谷电时储存电能，降低电力成本，虽然该装置体积小，布置方便，但是仍然需要选址建设，短时间内无法普及，且在户外没有供电电源的情况下不能解决电动汽车充电问题。
基于以上条件为了实现续航补给功能，提出了一种新颖的充电方式，可以实现电动汽车与电动汽车之间的相互充电，为两车互相充电提供一个路径。
实用新型内容
本实用新型的目的就是为了克服上述现有技术存在的缺陷而提供一种便携式电力电子转换装置，能实现不同电动汽车之间直流电和交流电两种方式充电，结构简单、高效且便于携带。
本实用新型的目的可以通过以下技术方案来实现：
一种便携式电力电子转换装置，用于电动汽车之间相互充电，包括输入端高压连接器、DC-DC变换电路、输出端切换开关、第一逆变电路、直流输出端高压连接器、交流输出端高压连接器和转换控制器，所述输入端高压连接器连接DC-DC变换电路的输入端，所述DC-DC变换电路的输出端通过输出端切换开关分别连接第一逆变电路的输入端和直流输出端高压连接器，所述第一逆变电路的输出端连接交流输出端高压连接器，所述转换控制器通过第一开关驱动电路连接第一逆变电路，转换控制器分别通过变压比开关控制器和第二开关驱动电路连接DC-DC变换电路。
所述DC-DC变换电路包括依次连接的第二逆变电路、调压变压器和整流电路，所述第二逆变电路的输入端连接输入端高压连接器，所述整流电路的输出端连接输出端切换开关，所述转换控制器通过变压比开关控制器连接调压变压器，转换控制器通过第二开关驱动电路连接第二逆变电路。
所述第二逆变电路采用由四个绝缘栅双极性晶体管IGBT构成的全桥逆变电路。
所述第一逆变电路采用由四个绝缘栅双极性晶体管IGBT构成的全桥逆变电路。
该装置还包括电压检测传感器和输入端开关，所述输入端高压连接器通过输入端开关连接DC-DC变换电路的输入端，所述电压检测传感器设于输入端高压连接器和输入端开关之间，所述转换控制器分别连接电压检测传感器和输入端开关。
该装置还包括第一滤波电路，所述输入端高压连接器通过第一滤波电路连接DC-DC变换电路的输入端。
该装置还包括第二滤波电路和第三滤波电路，所述输出端切换开关通过第二滤波电路连接直流输出端高压连接器，输出端切换开关通过第三滤波电路连接第一逆变电路。
所述转换控制器连接有液晶显示屏。
该装置还包括分别与转换控制器连接的计时器和工作状态显示灯。
该装置还包括高压连接线缆，所述输入端高压连接器、直流输出端高压连接器和交流输出端高压连接器分别通过一高压连接线缆连接电动汽车的充电接口。
与现有技术相比，本实用新型具有以下优点：
1.两辆电动汽车通过本装置可以实现充电续航功能，在附近没有充电站时，为电动汽车的充电提供了新的方式，让电量多的车给电量低的车充电，可替代现有的充电固定桩，方便人们出行。
2.本装置通过滤波电路、DC-DC变换电路可以将直流转换为电压更高的直流输出，在DC-DC电路之后加入逆变电路可以将直流转换为交流，可实现直流充电和交流充电两种方式，充电方式更为灵活。
3.本装置设置第二开关驱动电路和变压比开关控制器，通过转换控制器调节DC-DC变换电路中的第二逆变电路和调压变压器，从而改变装置输出电压的大小，能够满足不同型号电动汽车的充电电压要求，更具有实用性和通用性。
4.本装置在输入端设有电压检测传感器，能够实时判断输出电动汽车的电池电压，控制转换器通过判断电压检测传感器的测量值是否达到输出电的阈值来控制输入端开关，当电池电压不到阈值时，转换控制器关闭输入端开关，终止充电活动，使得充电过程更为安全可靠。
5.本装置的电路通过输出端切换开关选择不同充电方式，电路结构更为简单，装置体积小，便于携带，更容易普及使用。
6.本装置包括计时器，能够计算充电时间，该装置还包括工作状态显示灯和液晶显示屏，可以显示充电装置的工作状态，液晶显示屏能显示充电时间、输电量、输电方式等信息，方便人们了解充电情况及控制充电过程。
7.本装置还设置了多个滤波电路，以保证电动汽车之间电能交换过程中的电压的稳定。
附图说明
图1为便携式电力电子转换装置的电路连接框图；
图2为便携式电力电子转换装置实现直流充电的使用示意图；
图3为便携式电力电子转换装置实现交流充电的使用示意图；
图4为便携式电力电子转换装置中DC-DC变换电路、输出端切换开关和第一逆变电路的连接电路图；
图5为便携式电力电子转换装置在直流电充电工作时的电路原理图；
图6为便携式电力电子转换装置在交流电充电工作时的电路原理图。
图中标号：1为输入端高压连接器，2为电压检测传感器，3为输入端开关，4为第一滤波电路，5为第二逆变电路，6为调压变压器，7为整流电路，8为输出端切换开关，9为第三滤波电路，10为第二滤波电路，11为第一逆变电路，12为直流输出端高压连接器，13为交流输出端高压连接器，14为第二开关驱动电路，15为变压比开关控制器，16为转换控制器，17为第一开关驱动电路，18为DC-DC变换电路，19为A车，20为B车，21为第一快充口，22为第二快充口，23为慢充口，24为壳体，25为C车。
具体实施方式
下面结合附图和具体实施例对本实用新型进行详细说明。本实施例以本实用新型技术方案为前提进行实施，给出了详细的实施方式和具体的操作过程，但本实用新型的保护范围不限于下述的实施例。
如图1所示，一种便携式电力电子转换装置，用于电动汽车之间相互充电，包括输入端高压连接器1、DC-DC变换电路18、输出端切换开关8、第一逆变电路11、直流输出端高压连接器12、交流输出端高压连接器13和转换控制器16，输入端高压连接器1连接DC-DC变换电路18的输入端，DC-DC变换电路18的输出端通过输出端切换开关8分别连接第一逆变电路11的输入端和直流输出端高压连接器12，输出端切换开关8可以实现直流输出端高压连接器12、交流输出端高压连接器13两个输出端口的切换，同时集成有交流充电与直流充电的功能，且交流充电时共用直流充电的DC-DC变换电路18，使得整体结构更加紧凑，可降低生产成本，第一逆变电路11的输出端连接交流输出端高压连接器13，转换控制器16通过第一开关驱动电路17连接第一逆变电路11，转换控制器16分别通过变压比开关控制器15和第二开关驱动电路14连接DC-DC变换电路18，通过设置转换控制器16、变压比开关控制器15和第二开关驱动电路14，可以满足不同电动汽车的不同充电需求。
其中，DC-DC变换电路18包括依次连接的第二逆变电路5、调压变压器6和整流电路7，第二逆变电路5的输入端连接输入端高压连接器1，整流电路7的输出端连接输出端切换开关8，转换控制器16通过变压比开关控制器15连接调压变压器6，转换控制器16通过第二开关驱动电路14连接第二逆变电路5。
该装置还包括用于实现对提供电能的电动汽车充电状态检测的电压检测传感器2和输入端开关3，输入端高压连接器1通过输入端开关3连接DC-DC变换电路18的输入端，电压检测传感器2设于输入端高压连接器1和输入端开关3之间，转换控制器16分别连接电压检测传感器2和输入端开关3，当提供电能的电动汽车的剩余电量达到设定时，可以通过输入端开关3及时断开充电电路，达到保护提供电能的电动汽车的目的。
该装置还包括第一滤波电路4，输入端高压连接器1通过第一滤波电路4连接DC-DC变换电路18的输入端。
该装置还包括第二滤波电路10和第三滤波电路9，输出端切换开关8通过第二滤波电路10连接直流输出端高压连接器12，输出端切换开关8通过第三滤波电路9连接第一逆变电路11。
如图2所示，便携式电力电子转换装置的内部电路集成在壳体24内，拿取更加方便，将现有电动汽车的直流充电口作为快充口与慢充口，充电时，输送电能的A车19、便携式电力电子装置24和接受电能的B车20通过高压连接线缆连接。A车19的第一快充口21连接本装置的输入端高压连接器1，该装置的直流输出端高压连接器12连接B车20的第二快充口22，将A车19的电池E1电压升压后再给B车20电池E2充电，或者，如图3所示，该装置的交流输出端高压连接器13连接C车25的慢充口23，将A车19电池的直流电逆变成交流电后，由慢充口端口L、N给C车25充电。可以通过转换控制器16选择两种方式充电，更加灵活方便。
如图4所示，第一逆变电路11和第二逆变电路5均采用由四个绝缘栅双极性晶体管IGBT构成的全桥逆变电路。图3中开关K1-K4为输出端切换开关8，使用直流充电时K1、K2闭合，K3、K4断开，使用交流充电时K1、K2断开，K3、K4闭合。
图5所示为直流电充电方式的电路示意图。第一滤波电路4包括滤波电容C1，DC-DC变换电路18中，第二逆变电路5包括IGBT功率管Q1、Q2、Q3和Q4，调压变压器6包括变压器T1、以及变压器T1的线圈上的波段开关，该波段开关连接变压比开关控制器15，整流电路包括二极管D1、D2、D3、D4，第二滤波电路10包括电容C2。采用直流方式充电时，A车19的电池的直流高压通过电容C1滤波后再由IGBT功率管Q1、Q4和Q2、Q3交替导通驱动变压器T1的初级线圈，同时变压器T1的次级线圈产生的交流电通过二极管D1、D2、D3、D4实现全桥整流的功能，经过滤波电容C2滤波后可以给B车20的电池充直流电。转换控制器16通过变压比开关控制器15改变变压器T1的初级线圈和次级线圈的匝数比，同时，转换控制器16通过第二开关驱动电路14调节IGBT功率管Q1、Q2、Q3、Q4的占空比，来实现输出电压的调节，达到合适的电压给B车20充电的目的。该装置能够实现不同类型的电动汽车之间的不同充电，更具有广泛使用性。
图6所示为交流电的充电方式电路示意图。第三滤波电路9包括滤波电容C3和滤波电感L1，第一逆变电路11包括IGBT功率管Q5、Q6、Q7和Q8。采用交流方式充电时，A车19的电池的直流高压通过电容C1滤波后再由IGBT功率管Q1、Q4和Q2、Q3交替导通得到交流，交流经变压器T1调压，再通过二极管D1、D2、D3、D4实现全桥整流的功能。经过滤波电感L1和滤波电容C3滤波，得到直流电，此时IGBT功率管Q5、Q8和Q6、Q7交替导通来实现逆变功能，得到一个220V交流电压，该交流电压输出给C车25的慢充口23，便可以实现A车19到C车25的慢充功能，该交流电除了充电还可以给家用用电设备使用。
该装置还包括分别与转换控制器16连接的计时器和工作状态显示灯，能够给充电过程计时，并即时显示充电状态。
该装置的转换控制器16包括单片机电路，并连接有液晶显示屏，可以显示装置的工作状态及输电量等信息，方便人们控制充电过程。

Claims (10)

1.一种便携式电力电子转换装置，用于电动汽车之间相互充电，其特征在于，包括输入端高压连接器(1)、DC-DC变换电路(18)、输出端切换开关(8)、第一逆变电路(11)、直流输出端高压连接器(12)、交流输出端高压连接器(13)和转换控制器(16)，所述输入端高压连接器(1)连接DC-DC变换电路(18)的输入端，所述DC-DC变换电路(18)的输出端通过输出端切换开关(8)分别连接第一逆变电路(11)的输入端和直流输出端高压连接器(12)，所述第一逆变电路(11)的输出端连接交流输出端高压连接器(13)，所述转换控制器(16)通过第一开关驱动电路(17)连接第一逆变电路(11)，转换控制器(16)分别通过变压比开关控制器(15)和第二开关驱动电路(14)连接DC-DC变换电路(18)。
2.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，所述DC-DC变换电路(18)包括依次连接的第二逆变电路(5)、调压变压器(6)和整流电路(7)，所述第二逆变电路(5)的输入端连接输入端高压连接器(1)，所述整流电路(7)的输出端连接输出端切换开关(8)，所述转换控制器(16)通过变压比开关控制器(15)连接调压变压器(6)，转换控制器(16)通过第二开关驱动电路(14)连接第二逆变电路(5)。
3.根据权利要求2所述的一种便携式电力电子转换装置，其特征在于，所述第二逆变电路(5)采用由四个绝缘栅双极性晶体管IGBT构成的全桥逆变电路。
4.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，所述第一逆变电路(11)采用由四个绝缘栅双极性晶体管IGBT构成的全桥逆变电路。
5.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，该装置还包括电压检测传感器(2)和输入端开关(3)，所述输入端高压连接器(1)通过输入端开关(3)连接DC-DC变换电路(18)的输入端，所述电压检测传感器(2)设于输入端高压连接器(1)和输入端开关(3)之间，所述转换控制器(16)分别连接电压检测传感器(2)和输入端开关(3)。
6.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，该装置还包括第一滤波电路(4)，所述输入端高压连接器(1)通过第一滤波电路(4)连接DC-DC变换电路(18)的输入端。
7.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，该装置还包括第二滤波电路(10)和第三滤波电路(9)，所述输出端切换开关(8)通过第二滤波电路(10)连接直流输出端高压连接器(12)，输出端切换开关(8)通过第三滤波电路(9)连接第一逆变电路(11)。
8.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，所述转换控制器(16)连接有液晶显示屏。
9.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，该装置还包括分别与转换控制器(16)连接的计时器和工作状态显示灯。
10.根据权利要求1所述的一种便携式电力电子转换装置，其特征在于，该装置还包括高压连接线缆，所述输入端高压连接器(1)、直流输出端高压连接器(12)和交流输出端高压连接器(13)分别通过一高压连接线缆连接电动汽车的充电接口。
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