CN108199515A - 一种具有充电功能的电驱动系统 - Google Patents

一种具有充电功能的电驱动系统 Download PDF

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Publication number
CN108199515A
CN108199515A CN201711437440.3A CN201711437440A CN108199515A CN 108199515 A CN108199515 A CN 108199515A CN 201711437440 A CN201711437440 A CN 201711437440A CN 108199515 A CN108199515 A CN 108199515A
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Prior art keywords
motor
auxiliary winding
drive system
charge function
power drive
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CN201711437440.3A
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English (en)
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李健华
高斌泉
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Chengdu Dingxin Zhiyuan Technology Co Ltd
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Chengdu Dingxin Zhiyuan Technology Co Ltd
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Priority to CN201711437440.3A priority Critical patent/CN108199515A/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H02K3/20—Windings for salient poles for auxiliary purposes, e.g. damping or commutating
    • 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
    • H02J7/022—
    • 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
    • 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
    • Y02T10/64—Electric machine technologies 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
    • Y02T10/60—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
    • 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
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

本发明提供一种具有充电功能的电驱动系统，该系统包括电机、电机功率变换器、外部功率变换器和电能存储器，所述电机包括电机绕组，该电机上设有能与电机绕组互感的副绕组，电能存储器通过电机功率变换器与电机绕组连接，副绕组与外部功率变换器连接。本发明利用自身电机的线圈，并结合副绕组构成变压器，从而使得电动汽车可直接插接在市电上进行取电，不需要单独建设充电桩；通过在开关磁阻电机的定子上设置副绕组槽来安装副绕组，结构简单，成本很低。

Description

一种具有充电功能的电驱动系统
技术领域
本发明涉及电动汽车领域，尤其是涉及一种具有充电功能的电驱动系统。
背景技术
新能源电动汽车最主要的部件是动力电池、电动机和能量转换控制系统，而动力电池要实现快速充电、安全等高性能，是技术门槛最高、也是利润最集中的部分。
由于市电电压一般是220V，而电动汽车电池电压一般是48V或36V，因而需要对市电进行变压后才能对电池进行充电，故目前对电动汽车进行充电时，都需要单独建设充电桩。若单独建设充电桩，不仅会提高成本，也会严重影响电动汽车的推广使用。
发明内容
本发明的目的在于：针对现有技术存在的问题，提供一种具有充电功能的电驱动系统，解决现有电动汽车需要单独建设充电桩进行充电的问题。
本发明的发明目的通过以下技术方案来实现：
一种具有充电功能的电驱动系统，其特征在于，该系统包括电机、电机功率变换器、外部功率变换器和电能存储器，所述电机包括电机绕组，该电机上设有能与电机绕组互感的副绕组，电能存储器通过电机功率变换器与电机绕组连接，副绕组与外部功率变换器连接。
作为进一步的技术方案，所述电机为开关磁阻电机、永磁同步电机或磁阻同步电机。
作为进一步的技术方案，当电机为开关磁阻电机时，所述副绕组设置在其定子凸极上。
作为进一步的技术方案，开关磁阻电机的定子上设有副绕组槽。
作为进一步的技术方案，定子上至少一相的两个凸极上均设有副绕组槽。
作为进一步的技术方案，定子上相互垂直的两相的凸极上均设有副绕组槽。
作为进一步的技术方案，外部功率变换器为对称全桥电路或不对称全桥电路或半桥电路。
与现有技术相比，本发明具有以下优点：
1、利用自身电机的线圈，并结合副绕组构成变压器，从而使得电动汽车可直接插接在市电上进行取电，不需要单独建设充电桩；
2、通过在开关磁阻电机的定子上设置副绕组槽来安装副绕组，结构简单，成本很低。
附图说明
图1为本发明的结构示意图。
具体实施方式
下面结合附图和具体实施例对本发明进行详细说明。
实施例
为了方便在电动汽车进行充电时，不需要单独建设的充电桩。因而可利用电动汽车自身电机的线圈，并结合副绕组构成变压器，从而使得电动汽车可直接插接在市电上进行取电，不需要单独建设充电桩。
基于前述原理，本实施例提供一种具有充电功能的电驱动系统，参见图1，该系统包括电机、电机功率变换器、外部功率变换器和电能存储器。电机采用电动汽车自身的电机，其上设置有电机绕组1。本实施例在电机上设有能与电机绕组1互感的副绕组2。电能存储器通过电机功率变换器与电机绕组1连接，副绕组2与外部功率变换器连接。当汽车工作时，电能存储器通过电机功率变换器后给电机绕组1供电；当汽车充电时，外接市电电源通过外部功率变换器与副绕组2连接，由于副绕组与电机绕组构成变压器，相当于对市电进行变压后对电能存储器进行充电，这样就充分利用了电机绕组，且减去了汽车充电需要新增设的变压器。
外部功率变换器可采用对称全桥电路或不对称全桥电路或半桥电路。
本实施例的方案可适用于开关磁阻电机、永磁同步电机或磁阻同步电机。
当电机为开关磁阻电机时，副绕组2设置在其定子凸极3上。为了便于副绕组2的安装，如图1所示，可在电机的定子凸极3处设置副绕组槽4。根据需要，可以在定子上至少一相的两个凸极上均设置副绕组槽。若在两相设置副绕组槽，则可在，定子上相互垂直的两相的凸极上均设置副绕组槽。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，应当指出的是，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (7)

1.一种具有充电功能的电驱动系统，其特征在于，该系统包括电机、电机功率变换器、外部功率变换器和电能存储器，所述电机包括电机绕组，该电机上设有能与电机绕组互感的副绕组，电能存储器通过电机功率变换器与电机绕组连接，副绕组与外部功率变换器连接。
2.根据权利要求1所述的一种具有充电功能的电驱动系统，其特征在于，所述电机为开关磁阻电机、永磁同步电机或磁阻同步电机。
3.根据权利要求2所述的一种具有充电功能的电驱动系统，其特征在于，当电机为开关磁阻电机时，所述副绕组设置在其定子凸极上。
4.根据权利要求3所述的一种具有充电功能的电驱动系统，其特征在于，开关磁阻电机的定子上设有副绕组槽。
5.根据权利要求4所述的一种具有充电功能的电驱动系统，其特征在于，定子上至少一相的两个凸极上均设有副绕组槽。
6.根据权利要求5所述的一种具有充电功能的电驱动系统，其特征在于，定子上相互垂直的两相的凸极上均设有副绕组槽。
7.根据权利要求1所述的一种具有充电功能的电驱动系统，其特征在于，外部功率变换器为对称全桥电路或不对称全桥电路或半桥电路。
CN201711437440.3A 2017-12-26 2017-12-26 一种具有充电功能的电驱动系统 Withdrawn CN108199515A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102216112A (zh) * 2008-11-18 2011-10-12 法雷奥电机控制系统公司 用于供电和充电的组合电力设备
CN106899158A (zh) * 2017-05-08 2017-06-27 史立伟 一种电动车四相电励磁电机
CN107364367A (zh) * 2017-08-15 2017-11-21 东南大学盐城新能源汽车研究院 一种基于多励磁源电机的集成式电机驱动与车载充电系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102216112A (zh) * 2008-11-18 2011-10-12 法雷奥电机控制系统公司 用于供电和充电的组合电力设备
CN106899158A (zh) * 2017-05-08 2017-06-27 史立伟 一种电动车四相电励磁电机
CN107364367A (zh) * 2017-08-15 2017-11-21 东南大学盐城新能源汽车研究院 一种基于多励磁源电机的集成式电机驱动与车载充电系统

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Application publication date: 20180622