WO2010139094A1 - 车用发电机的电路整合芯片 - Google Patents

车用发电机的电路整合芯片 Download PDF

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Publication number
WO2010139094A1
WO2010139094A1 PCT/CN2009/000628 CN2009000628W WO2010139094A1 WO 2010139094 A1 WO2010139094 A1 WO 2010139094A1 CN 2009000628 W CN2009000628 W CN 2009000628W WO 2010139094 A1 WO2010139094 A1 WO 2010139094A1
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WO
WIPO (PCT)
Prior art keywords
generator
circuit integration
integration chip
vehicle generator
unit
Prior art date
Application number
PCT/CN2009/000628
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English (en)
French (fr)
Inventor
余振邦
Original Assignee
朋程科技股份有限公司
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 朋程科技股份有限公司 filed Critical 朋程科技股份有限公司
Priority to PCT/CN2009/000628 priority Critical patent/WO2010139094A1/zh
Publication of WO2010139094A1 publication Critical patent/WO2010139094A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/48—Arrangements for obtaining a constant output value at varying speed of the generator, e.g. on vehicle
    • 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
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/16—Regulation of the charging current or voltage by variation of field

Definitions

  • the present invention relates to a circuit integration chip for a vehicle generator, and more particularly, to integrate a rectifier and a voltage regulator on a single chip, which is not only more practical, but also has a lower production cost, and can effectively improve reliability. Background technique
  • the generator 1 is a schematic diagram showing the operation of a voltage regulator of a typical automotive alternator.
  • the generator 1 includes a stator coil 11 and a rotor coil 12.
  • the exciting current is input to the rotor coil 12 and the rotor coil 12 is rotated by the internal combustion engine, a varying magnetic field is generated to cause the stator coil 11 to generate an alternating current.
  • the alternating current is input into the rectifier diode 2 through the input terminal 22 of the rectifier diode 2, thereby being converted into a direct current, and is connected to the high voltage terminal 41 of the battery by its output terminal 21, and the battery 4 is charged for the load on the automobile. need.
  • the voltage regulator 3 includes an adjustment circuit 31, a power transistor 32, and a diode 33.
  • the regulating circuit 31 is electrically connected to the stator coil 11 of the generator 1 for detecting the output voltage value of the generator 1, and accordingly controlling the opening or closing of the power module 32 to adjust the output voltage value of the generator.
  • the diode 33 is electrically coupled to the power transistor 32 for absorbing the surge generated by the moment the rotor current is turned off.
  • rectifier 2 and the voltage regulator 3 must be installed at the same time.
  • rectifier 2 and voltage regulator 3 are manufactured separately, have their own pins, heat sinks, and carrier, and must be packaged into a single product for use on a generator. Therefore, it is expensive to manufacture and low in power generation efficiency.
  • an object of the present invention is to provide a circuit integration chip for a vehicle generator, which integrates a rectifier and a voltage regulator on a single chip for operation of a generator, thereby reducing production cost and obtaining better performance. Power generation efficiency.
  • An object of the present invention is to provide a circuit integration chip for a vehicle generator, which integrates rectification and voltage regulation functions into a single chip, and is used for a vehicle generator to obtain a better use effect.
  • a circuit integration chip for a vehicle generator includes a rectifying unit and a voltage a regulating unit, wherein the rectifying unit is provided with a set of metal oxide semiconductor field effect transistor (MOSFET) rectifying power module and a rectifying control circuit, wherein the rectifying unit is formed with an input end and an output end, and the input end is connected to the stator coil of the generator , for converting alternating current into direct current, and then outputting direct current from the output end thereof; and the voltage regulating unit is provided with a control circuit and a power module, wherein the power module of the voltage regulating unit is electrically connected to the rotor coil of the generator to adjust The output voltage value of the transmitter.
  • MOSFET metal oxide semiconductor field effect transistor
  • Figure 1 is a schematic view showing the operation of a voltage regulator of a typical vehicle generator
  • FIG. 2 is a schematic diagram of a circuit integration chip of a vehicle generator according to an embodiment of the present invention
  • FIG. 3 is a schematic view showing the operation of a circuit integration chip of a vehicle generator according to an embodiment of the present invention.
  • FIG. 2 and 3 there is shown a schematic diagram of a circuit integration chip for a vehicle generator. As shown
  • the chip 4 includes a rectifying unit 40 and a voltage adjusting unit 42.
  • the rectifier unit 40 is provided with a set of metal oxide semiconductor field effect transistor (MOSFET) rectification power modules 46 and rectification control circuitry 48.
  • the rectifying unit 40 is formed with an input end 50 and an output end 52.
  • the input end 50 is connected to the stator coil 56 of the generator 54 for converting alternating current into direct current, and then outputting direct current from the output end 52 to the battery 58 for supply.
  • Store electricity Metal oxide semiconductor field effect transistor in this embodiment
  • the rectifier module is provided with six metal oxide semiconductor field effect transistors.
  • the voltage adjusting unit 42 is provided with a control circuit 60 and a power module 62.
  • the power module 62 of the voltage regulating unit 42 is provided with a power transistor 64 and a diode 66 connected to the power transistor 64.
  • Power transistor 64 is coupled to rotor coil 68 of generator 54 as a switch that controls the excitation current to rotor coil 68 to regulate the output voltage value of generator 54.
  • the diode 62 is connected to the power transistor 64 for absorbing the glitch generated by the moment when the rotor coil 68 is turned off.
  • Control circuit 60 is coupled to stator coil 56 of generator 54 for detecting the output voltage value of generator 54 and controlling the switching of power transistor 64 accordingly.
  • control circuit 60 of the voltage regulating unit 42 is coupled to the stator coil 56 and can receive at least one phase signal of the stator coil 56 as a basis for controlling the rotational speed of the generator 54.
  • the rectifying unit 40 and the voltage adjusting unit 42 are integrated in the single chip 4. In actual use, it only needs to be electrically connected to the outside through a set of pins, and only a single heat sink is needed for heat dissipation and a single carrier assembly package (not shown), which is more convenient in manufacturing. Further, in the rectifying unit 40, the metal oxide semiconductor field effect transistor 44 is rectified, and its energy consumption is low, so that better power generation efficiency can be obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Charge By Means Of Generators (AREA)

Description

车用发电机的电路整合芯片
技术领域
本发明涉及一种车用发电机的电路整合芯片， 更为具体地， 将整流器与电压调节 器整合于单一芯片上， 使其不但更为实用、 生产成本降低， 且可有效提高可靠性。 背景技术
图 1是示出了典型车用交流发电机的电压调节器操作的示意图。 如图 1所示， 发 电机 1包括有定子线圈 11及转子线圈 12。 当激磁电流输入转子线圈 12， 并通过内燃 引擎带动转子线圈 12转动时， 将产生一变动磁场， 使定子线圈 11产生交流电流。 该 交流电流通过整流二极管 2的输入端 22输入整流二极管 2内， 从而转换为直流电流， 并由其输出端 21连接至蓄电池的高压端 41 , 而对蓄电池 4予以充电， 以供汽车上负 载所需。
另外， 电压调节器 3包括调节电路 31、 功率晶体管 32及二极管 33。 功率晶体管
32连接至转子线圈 12， 用以提供激磁电流至转子线圈 12。调节电路 31电连接至发电 机 1的定子线圈 11， 用以检测发电机 1的输出电压值， 并据此控制功率模块 32的开 启或关闭， 以调节发电机的输出电压值。 二极管 33电连接至功率晶体管 32， 用以吸 收转子电流关闭瞬间所产生的突波。
因此， 如果要操作发电机， 必须同时安装整流器 2及电压调节器 3。 但是， 整流 器 2及电压调节器 3分别制造生产， 有其各自的引脚、 散热片及承载体， 还必须将其 封装成单一产品， 以配置于发电机上使用。 因此， 其制造成本高且发电效率低。
有鉴于此， 本发明的目的在于提供一种车用发电机的电路整合芯片， 将整流器及 电压调节器整合于单一芯片上， 以供发电机操作使用， 从而可降低生产成本并可获得 更佳的发电效率。 发明内容
本发明的目的在于提供一种车用发电机的电路整合芯片， 将整流及电压调节功能 整合于单芯片内， 使其用于车用发电机时， 得到更佳的使用效果。
为达到上述目的， 根据本发明的车用发电机的电路整合芯片包括整流单元及电压 调节单元， 其中该整流单元设有一组金属氧化物半导体场效应晶体管 （MOSFET) 整 流功率模块及整流控制电路， 该整流单元形成有输入端及输出端， 该输入端连接于该 发电机的定子线圈， 用以将交流电转换为直流电， 再将直流电由其输出端输出； 及该 电压调节单元设有控制电路及功率模块， 该电压调节单元的功率模块电连接至该发电 机的转子线圈， 以调节发电子机的输出电压值。
该芯片使用于车用发电机时， 不但其制造更为便利、 更为实用， 而且由于零件简 化， 从而可提高可靠性。
通过以下对优选实施例的详细说明， 并参考附图， 可更深入了解本发明的上述特 征及其它目的。 附图说明
图 1为典型车用发电机的电压调节器的操作示意图；
图 2为根据本发明实施例的车用发电机的电路整合芯片的示意图；
图 3为根据本发明实施例的车用发电机的电路整合芯片的操作示意图。
【主要元件符号说明】
芯片 4 整流单元 40 电压调节单元 42
金属氧化物半导体场效应晶体管整流功率模块 46 整流控制电路 48 输入端 50 输出端 52 发电机 54
定子线圈 56 蓄电池 58 控制电路 60
功率模块 62 功率晶体管 64 二极管 66
转子线圈 68 具体实施方式
结合参考图 2及图 3， 其中示出了一种车用发电机的电路整合芯片的示意图。 如图
2和 3所示， 芯片 4包括有整流单元 40及电压调节单元 42。
如图所示， 整流单元 40设有一组金属氧化物半导体场效应晶体管 （MOSFET) 整 流功率模块 46及整流控制电路 48。 整流单元 40形成有输入端 50及输出端 52， 其中， 输 入端 50连接于发电机 54的定子线圈 56， 用以将交流电转换为直流电， 再将直流电由输 出端 52输出至蓄电池 58， 以供储存电力。 本实施例中金属氧化物半导体场效应晶体管 整流模块设有六个金属氧化物半导体场效应晶体管。
另外， 电压调节单元 42设有控制电路 60及功率模块 62。 在本实施例中， 电压调节 单元 42的功率模块 62设有功率晶体管 64及连接到功率晶体管 64的二极管 66。 功率晶体 管 64连接至发电机 54的转子线圈 68， 作为控制激磁电流至转子线圈 68的开关， 以调节 发电机 54的输出电压值。 而二极管 62连接到功率晶体管 64， 用以吸收转子线圈 68电流 关闭瞬间所产生的突波。 控制电路 60连接至发电机 54的定子线圈 56， 用以检测发电机 54的输出电压值， 并依此信号控制功率晶体管 64的开关。
此外， 电压调节单元 42的控制电路 60连接至定子线圈 56, 可接收定子线圈 56的至 少一个相 (Phase)信号， 以作为控制发电机 54转速判断的依据。
如上所述， 将整流单元 40及电压调节单元 42整合于单一芯片 4内。 在实际使用时， 仅需通过一组引脚与外部电连接， 而且只需要单一散热器供其散热以及单一承载体搭 配封装使用 （图中未示出）， 从而在制造上更为便利。 另外， 在整流单元 40中， 由金 属氧化物半导体场效应晶体管 44予以整流， 其能量耗损较低， 从而可得到更佳的发电 效率。
以上所述的实施例仅仅是为了说明本发明的技术思想及特点而提出的示例， 其目 的在于使本领域技术人员能够了解本发明的内容并据以实施， 而不能理解为限制本发 明。 不脱离本发明所揭示的精神而做出的等同变化或修饰， 仍应涵盖在本发明的范围 内。

Claims

不 ϋ 要
1. 一种车用发电机的电路整合芯片， 分别电连到该发电机的转子线圏及定子线 圈， 该电路整合芯片包括：
整流单元， 其至少设有金属氧化物半导体场效应晶体管整流功率模块及整流控制 电路， 该整流单元形成有输入端及输出端， 该输入端连接到该发电机的定子线圈， 用 以将交流电转换为直流电， 再将直流电由输出端输出； 及
电压调节单元， 其设有控制电路及功率模块， 该电压调节单元的功率模块电连接 到该发电机的转子线圈， 以调节发电子机的输出电压值。
2. 如权利要求 1所述的车用发电机的电路整合芯片， 其中， 该金属氧化物半导体 场效应晶体管整流功率模块设有六个金属氧化物半导体场效应晶体管。
3. 如权利要求 1所述的车用发电机的电路整合芯片， 其中， 该整流单元的输出端 连接至蓄电池。
4. 如权利要求 1所述的车用发电机的电路整合芯片， 其中， 该电压调节单元的功 率模块设有功率晶体管及二极管。
5. 如权利要求 4所述的车用发电机的电路整合芯片， 其中， 该电压调节单元的二 极管连接至该功率晶体管， 用以吸收转子电流关闭瞬间所产生的突波。
6. 如权利要求 4所述的车用发电机的电路整合芯片， 其中， 电压调节单元的功率 晶体管连接至该发电机的转子线圈， 作为控制激磁电流至转子线圈的开关。
7. 如权利要求 1所述的车用发电机的电路整合芯片， 其中， 该电压调节单元的控 制电路连接至发电机的定子线圈， 用以检测发电机的输出电压值， 并依此信号控制该 功率晶体管的幵关。
8. 如权利要求 1所述的车用发电机的电路整合芯片， 其中， 该电压调节单元的控 制电路可接收该定子线圈的至少一个相信号， 以作为控制该发电机转速判断的依据。
PCT/CN2009/000628 2009-06-05 2009-06-05 车用发电机的电路整合芯片 WO2010139094A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831322A (en) * 1987-05-07 1989-05-16 Hitachi Ltd. Voltage regulator for charger/generator
CN2764056Y (zh) * 2004-07-13 2006-03-08 石家庄开发区银石电器有限公司 车用发电机集成防水整流调压装置
CN1309145C (zh) * 2002-03-20 2007-04-04 株式会社电装 具有转速检测装置的车辆交流发电机和其制造方法
CN2907073Y (zh) * 2006-05-31 2007-05-30 王刚 集成一体化机车开关电源
US7443143B2 (en) * 2006-10-27 2008-10-28 Mitsubishi Electric Corp. Controller of AC generator for vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831322A (en) * 1987-05-07 1989-05-16 Hitachi Ltd. Voltage regulator for charger/generator
CN1309145C (zh) * 2002-03-20 2007-04-04 株式会社电装 具有转速检测装置的车辆交流发电机和其制造方法
CN2764056Y (zh) * 2004-07-13 2006-03-08 石家庄开发区银石电器有限公司 车用发电机集成防水整流调压装置
CN2907073Y (zh) * 2006-05-31 2007-05-30 王刚 集成一体化机车开关电源
US7443143B2 (en) * 2006-10-27 2008-10-28 Mitsubishi Electric Corp. Controller of AC generator for vehicle

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