WO2020098281A1 - 一种驱动电路控制器及电动自行车用驱动电路控制器 - Google Patents

一种驱动电路控制器及电动自行车用驱动电路控制器 Download PDF

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WO2020098281A1
WO2020098281A1 PCT/CN2019/092916 CN2019092916W WO2020098281A1 WO 2020098281 A1 WO2020098281 A1 WO 2020098281A1 CN 2019092916 W CN2019092916 W CN 2019092916W WO 2020098281 A1 WO2020098281 A1 WO 2020098281A1
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Prior art keywords
mos tube
pole
phase line
mos
tube
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PCT/CN2019/092916
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English (en)
French (fr)
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孙敏
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孙敏
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Priority to DE212019000127.0U priority Critical patent/DE212019000127U1/de
Publication of WO2020098281A1 publication Critical patent/WO2020098281A1/zh

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    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
    • 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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors

Definitions

  • the present application relates to the technical field of drive circuit controllers, in particular to a drive circuit controller and a drive circuit controller for electric bicycles.
  • the driving circuit in the prior art is composed of a large number of discrete driving devices and other components and circuit layouts, or is composed of several discrete driving chips, a number of discrete driving devices and other components and circuit layouts.
  • the drive circuit composed of a large number of discrete drive devices and some other components and circuit layouts, the discrete drive devices are relatively small, and the number is also large, and need to occupy more area in the overall PCB board.
  • the circuit layout more circuits are needed to connect all the devices together and there will be no wrong circuits and circuits that are easy to cause device damage, which makes the circuit layout structure more complicated, the process is more cumbersome, and it also improves the work of the technicians. It is very difficult; it also increases the difficulty and efficiency of work in production.
  • a drive circuit composed of several discrete drive chips, a number of discrete drive devices, and other components and circuit layouts.
  • the use of discrete drive chips replaces some discrete drive devices.
  • the number of devices has been reduced, and the circuit layout is relatively It is easier, and the use of discrete driver chips is slightly improved in all aspects compared to the use of discrete driver devices, but it also has the above problems.
  • the purpose of the present application is to solve the problems in the prior art that the drive circuit structure is complicated, the process is cumbersome, and the stability and performance of the product are poor, and a drive circuit controller for electric bicycles is proposed.
  • a drive circuit controller including a drive circuit board, a power supply and a motor, an integrated chip, a single chip, twelve MOS tubes, multiple diode devices, multiple resistance devices and multiple capacitors are soldered on the drive circuit board
  • the twelve MOS tubes are the first MOS tube, the second MOS tube, the third MOS tube, the fourth MOS tube, the fifth MOS tube, the sixth MOS tube, the seventh MOS tube, and the eighth MOS tube.
  • the ninth MOS tube, the tenth MOS tube, the eleventh MOS tube and the twelfth MOS tube, the integrated chip includes twenty pins, and the first to sixth pins of the integrated chip are respectively The pins are electrically connected, the seventh pin of the integrated chip is electrically connected to the power supply, the eighth pin of the integrated chip is grounded, and the ninth to twentieth pins of the integrated chip are respectively connected to the diode device,
  • the resistance device and the capacitor device are electrically connected, and are electrically connected to the MOS tube through the resistance device, and the controlled end of the MOS tube is electrically connected to the phase line of the motor.
  • the phase wires of the motor include U-phase wires, V-phase wires and W-phase wires.
  • the U-phase wires, V-phase wires and W-phase wires all include an upper bridge and a lower bridge.
  • the bridge includes a second MOS tube and a fifth MOS tube
  • the lower bridge of the U-phase line includes a seventh MOS tube and a tenth MOS tube
  • the upper bridge of the V-phase line includes a third MOS tube and a sixth MOS tube
  • the lower bridge of the V phase line includes an eighth MOS tube and a twelfth MOS tube
  • the upper bridge of the W phase line includes a first MOS tube and a fourth MOS tube
  • the lower bridge of the W phase line includes a ninth MOS tube and the eleventh MOS tube.
  • each of the MOS tubes includes a G pole, a D pole and an S pole, the G pole of the first MOS tube is connected to the G pole of the fourth MOS tube; the D pole of the first MOS tube is connected to the power supply phase Connection; S pole of the first MOS tube is connected to the W phase line; G pole of the second MOS tube is connected to the G pole of the fifth MOS tube; D pole of the second MOS tube is connected to the power supply; The S pole is connected to the U phase line, the G pole of the third MOS tube is connected to the V phase line; the D pole of the third MOS tube is connected to the power supply; the S pole of the third MOS tube is connected to the V phase line; The D pole of the four MOS tubes is connected to the power supply; the S pole of the fourth MOS tube is connected to the W phase line; the D pole of the fifth MOS tube is connected to the power supply; the S pole of the fifth MOS tube is connected to the U phase line ; The D pole of the sixth MOS tube is
  • a drive circuit controller for an electric bicycle using the above drive circuit controller includes a housing, a heat dissipation boss is fixedly connected to the inner side of the housing, and the drive circuit board is fixedly connected to the heat dissipation boss by bolts.
  • an insulating pad is provided between the driving circuit board and the heat dissipation boss.
  • the present application provides a driving circuit controller for electric bicycles, which has the following beneficial effects:
  • the drive circuit controller can reduce the use of components, reduce the probability of component damage, and improve the product by using a drive circuit composed of integrated chips, single chip microcomputers, MOS tubes, diode devices, resistance devices, and capacitors.
  • the stability and pass rate make the circuit layout more concise, and then the size of the drive circuit board can be smaller and more refined.
  • the parts not involved in the device are all the same as the existing technology or can be implemented by using the existing technology.
  • This application can reduce the use of components and improve the stability and pass rate of the product.
  • FIG. 1 is a partial circuit diagram of a driving circuit controller proposed in this application.
  • FIG. 2 is a partial circuit diagram of a driving circuit controller proposed in this application.
  • FIG. 3 is a schematic structural diagram of a driving circuit controller for an electric bicycle proposed in this application.
  • a driving circuit controller includes a driving circuit board 1, a power supply and a motor.
  • the power supply here generally uses a 48V battery in an electric vehicle.
  • An integrated chip 2 and a single chip are welded on the driving circuit board 1 3.
  • the twelve MOS tubes 4 are the first MOS tube, the second MOS tube, the third MOS tube, and the fourth MOS tube, respectively Tube, fifth MOS tube, sixth MOS tube, seventh MOS tube, eighth MOS tube, ninth MOS tube, tenth MOS tube, eleventh MOS tube and twelfth MOS tube, in Figure 2, respectively Expressed as V1-V12, the integrated chip 2 includes twenty pins, the first to sixth pins of the integrated chip 2 are electrically connected to the pins of the microcontroller 3, respectively, and the seventh pin of the integrated chip 2 is electrically connected to the power supply Connected, the eighth pin of the integrated chip 2 is grounded, and the ninth to twentieth pins of the integrated chip are electrically connected to the diode device, the resistance device and the capacitor device respectively, and are electrically connected to the MOS tube 4 through the resistance device, the MOS The controlled end of the tube 4 is electrically connected to the phase line of the motor.
  • the drive circuit controller uses an integrated drive method.
  • the single-chip microcomputer sends a PWM signal to the integrated chip, which converts the integrated chip and sends the signal to the MOS tube control terminal. After receiving the signal, the MOS tube controls the motor to make the motor run.
  • the phase wires of the motor include U-phase wire, V-phase wire and W-phase wire, which are represented by U, V and W in Figures 1 and 2, respectively.
  • U-phase wire, V-phase wire and W-phase wire all include upper bridge and The lower bridge
  • the upper bridge of the U phase line includes the second MOS tube and the fifth MOS tube
  • the lower bridge of the U phase line includes the seventh MOS tube and the tenth MOS tube
  • the upper bridge of the V phase line includes the third MOS tube and the first MOS tube
  • Six MOS tubes the lower bridge of the V phase line includes the eighth MOS tube and the twelfth MOS tube
  • the upper bridge of the W phase line includes the first MOS tube and the fourth MOS tube
  • the lower bridge of the W phase line includes the ninth MOS tube
  • each MOS tube 4 includes G pole, D pole and S pole, of which G pole is also called gate, S pole is also called source, D pole is also called drain, this is the prior art
  • the upper bridge of U-phase line is opened, and the upper bridge of V-phase line is opened, then the lower bridge of W-phase line is opened, and the current flows into the lower bridge of W-phase line via the upper bridge of U-phase line and V-phase line;
  • the commutation starts, Open the lower bridge of the U-phase line and the upper bridge of the W-phase line, then the current flows into the lower bridge of the U-phase line through the upper bridge of the V-phase line and the W-phase line.
  • the motor works.
  • a driving circuit controller for an electric bicycle adopting the above driving circuit includes a housing 5, a heat dissipation boss 6 is fixedly connected to the inside of the housing 5, and the drive circuit board 1 is fixedly connected to the heat dissipation boss 6 by bolts.
  • An insulating pad 7 is provided between the driving circuit board 1 and the heat dissipation boss 6.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

本申请公开了一种驱动电路控制器，包括驱动电路板、电源和电机，驱动电路板上焊接有一个集成芯片、一个单片机、十二个MOS管、多个二极管器件、多个电阻器件和多个电容器件，十二个MOS管分别为第一MOS管、第二MOS管、第三MOS管、第四MOS管、第五MOS管、第六MOS管、第七MOS管、第八MOS管、第九MOS管、第十MOS管、第十一MOS管和第十二MOS管，集成芯片包括二十个引脚，集成芯片的第一至第六引脚分别与单片机的引脚电性连接，集成芯片的第七引脚与电源电性连接，集成芯片的第八引脚接地，集成芯片的第九至第二十引脚分别与二极管器件、电阻器件和电容器件电性连接。本申请，能够减少元器件的使用，提高产品的稳定性和合格率。

Description

一种驱动电路控制器及电动自行车用驱动电路控制器 技术领域
本申请涉及驱动电路控制器技术领域，尤其涉及一种驱动电路控制器及电动自行车用驱动电路控制器。
背景技术
现有技术的驱动电路是由大量分立驱动器件和其他一些元器件以及线路布局构成，或者由数个分立驱动芯片、数量分立驱动器件和其他一些元器件以及线路布局构成。
由大量分立驱动器件和其他一些元器件以及线路布局构成的驱动电路，其分立驱动器件都是比较细小的，且数量也较多，并在整体的pcb板中需要占用更多的使用面积。在线路布局上也需要更多的线路将所有器件连贯在一起并不会出现错误的线路以及容易造成器件损坏的线路，使线路布局结构更为复杂，工艺更为繁琐同时也给技术人员工作提高了很大的难度；在生产上也无形中增加了工作难度和工作效率。另一方面大量的分立驱动器件的使用则不可避免的会有不良的器件，以及在生产过程中会产生损坏器件；而不良器件和损坏器件在生产过程中都是无法发现的，只有在生产完成后通过不断的检测才能发现，这样做出来的产品降低了产品的成品合格率，也给产线人员和检测人员增加了工作负担；不合格产品在经过不断的检测确定损坏器件，再有相关人员将损坏器件替换，再由检测人员进行检测产品是否合格，不合格则需要进一步检测确认以及替换，直至合格或直接报废。在后期的使用当中也更容易出现器件的损坏，需要人员不断的进行维护和修缮。
这样的方式不论是生产成本还是材料成本都有所提高，结构复杂，工艺也繁琐，产品的稳定性以及性能相对而言都比较差。
由数个分立驱动芯片、数量分立驱动器件和其他一些元器件以及线路布局构成的驱动电路，分立驱动芯片的使用代替了部分分立驱动器件，在器件数量上得到了有所减少，线路布局也相对轻松一点，而分立驱动芯片的使用相较于只使用分立驱动器件而言，各方面都有略提高，但同样具有上述问题。
申请内容
本申请的目的是为了解决现有技术中驱动电路结构复杂，工艺也繁琐，产品的稳定性以及性能较差的问题，而提出的一种电动自行车用驱动电路控制器。
为了实现上述目的，本申请采用了如下技术方案：
一种驱动电路控制器，包括驱动电路板、电源和电机，所述驱动电路板上焊接有一个集成芯片、一个单片机、十二个MOS管、多个二极管器件、多个电阻器件和多个电容器件，十二个所述MOS管分别为第一MOS管、第二MOS管、第三MOS管、第四MOS管、第五MOS管、第六MOS管、第七MOS管、第八MOS管、第九MOS管、第十MOS管、第十一MOS管和第十二MOS管，所述集成芯片包括二十个引脚，所述集成芯片的第一至第六引脚分别与单片机的引脚电性连接，所述集成芯片的第七引脚与电源电性连接，所述集成芯片的第八引脚接地，所述集成芯片的第九至第二十引脚分别与二极管器件、电阻器件和电容器件电性连接，且通过电阻器件与MOS管电性连接，所述MOS管的受控端与电机的相线电性连接。
优选的，所述电机的相线包括U相线、V相线和W相线，所述U相线、V相线和W相线均包括上桥和下桥，所述U相线的上桥包括第二MOS管和第五MOS管，所述U相线的下桥包括第七MOS管和第十MOS管，所述V相线的上桥包括第三MOS管和第六MOS管，所述V相线的下桥包括第八MOS管和第十二MOS管，所述W相线的上桥包括第一MOS管和第四MOS管，所述W相线的下桥包括第九MOS管和第十一MOS管。
优选的，每个所述MOS管均包括G极、D极和S极，所述第一MOS管的G极与第四MOS管的G极相连接；第一MOS管的D极与电源相连接；第一MOS管的S极与W相线连接；第二MOS管的G极与第五MOS管的G极相连接；第二MOS管的D极与电源相连接；第二MOS管的S极与U相线相连接，第三MOS管的G极与V相线相连接；第三MOS管的D极与电源相连接；第三MOS管的S极与V相线相连接；第四MOS管的D极与电源相连接；第四MOS管的S极与W相线相连接；第五MOS管的D极与电源相连接；第五MOS管的S极与U相线相连接；第六MOS管的D极与电源相连接；第六MOS管的S极与V相线相连接；第七MOS管的G极与第十MOS管的G极相连接；第七MOS管的D极与U相线相连接；第七MOS管的S极接地；第八MOS管的G极与第十二MOS管的G极相连接；第八MOS管的D极与V相线相连接；第八MOS管的S极接地；第九MOS管的G极与第十一MOS 管的G极相连接；第九MOS管的D极与W相线相连接；第九MOS管的S极接地；第十MOS管的D极与U相线相连；第十MOS管的S极接地；第十一MOS管的D极与W相线相连；第十一MOS管的S极接地；第十二MOS管的D极与V相线相连；第十二MOS管的S极接地。
一种采用上述驱动电路控制器的电动自行车用驱动电路控制器，包括外壳，所述外壳的内侧固定连接有散热凸台，所述驱动电路板通过螺栓固定连接在散热凸台上。
优选的，所述驱动电路板和散热凸台间设置有绝缘垫。
与现有技术相比，本申请提供了一种电动自行车用驱动电路控制器，具备以下有益效果：
1、该驱动电路控制器，通过采用集成芯片、单片机、MOS管、二极管器件、电阻器件和电容器件组成的驱动电路，可以减少元器件的使用，降低了元器件损坏的概率，提高了产品的稳定性和合格率，使线路布局更加简练，进而使驱动电路板的尺寸能够做到更小更精致。
该装置中未涉及部分均与现有技术相同或可采用现有技术加以实现，本申请，能够减少元器件的使用，提高产品的稳定性和合格率。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本申请的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本申请提出的一种驱动电路控制器的部分电路图；
图2为本申请提出的一种驱动电路控制器的部分电路图；
图3为本申请提出的一种电动自行车用驱动电路控制器的结构示意图。
图标：1-驱动电路板；2-集成芯片；3-单片机；4-MOS管；5-外壳；6-散热凸台；7-绝缘垫。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。
在本申请的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
参照图1-2，一种驱动电路控制器，包括驱动电路板1、电源和电机，这里的电源在电动车中一般采用48V的电池，驱动电路板1上焊接有一个集成芯片2、一个单片机3、十二个MOS管4、多个二极管器件、多个电阻器件和多个电容器件，十二个MOS管4分别为第一MOS管、第二MOS管、第三MOS管、第四MOS管、第五MOS管、第六MOS管、第七MOS管、第八MOS管、第九MOS管、第十MOS管、第十一MOS管和第十二MOS管，在图2中，分别用V1-V12表示，集成芯片2包括二十个引脚，集成芯片2的第一至第六引脚分别与单片机3的引脚电性连接，集成芯片2的第七引脚与电源电性连接，集成芯片2的第八引脚接地，集成芯片的第九至第二十引脚分别与二极管器件、电阻器件和电容器件电性连接，且通过电阻器件与MOS管4电性连接，MOS管4的受控端与电机的相线电性连接，该驱动电路控制器，采用集成驱动方式，由单片机发出PWM信号到集成芯片，集成芯片内部进行转化，把信号发送到MOS管控制端，MOS管收到信号后经过对电机的控制，使电机运转起来。
电机的相线包括U相线、V相线和W相线，在图1和图2中分别用U、V和W来表示，U相线、V相线和W相线均包括上桥和下桥，U相线的上桥包括第二MOS管和第五MOS管，U相线的下桥包括第七MOS管和第十MOS管，V相线的上桥包括第三MOS管和第六MOS管，V相线的下桥包括第八MOS管和第十二MOS管，W相线的上桥包括第一MOS管和第四MOS管，W相线的下桥包括第九MOS管和第十一MOS管，每个MOS管4均包括G极、D极和S极，其中G极又称栅极，S极又称源极，D极又称漏极，此为现有技术，第一MOS管的G极与第四MOS管的G极相连接；第一MOS管的D极与电源相连接；第一MOS管的S极与W相线连接；第二MOS管的G极与第五MOS管的G极相连接；第二MOS管的D极与电源相连接；第二MOS管的S极与U相线相连接，第三MOS管的G极与V相线相连接；第 三MOS管的D极与电源相连接；第三MOS管的S极与V相线相连接；第四MOS管的D极与电源相连接；第四MOS管的S极与W相线相连接；第五MOS管的D极与电源相连接；第五MOS管的S极与U相线相连接；第六MOS管的D极与电源相连接；第六MOS管的S极与V相线相连接；第七MOS管的G极与第十MOS管的G极相连接；第七MOS管的D极与U相线相连接；第七MOS管的S极接地；第八MOS管的G极与第十二MOS管的G极相连接；第八MOS管的D极与V相线相连接；第八MOS管的S极接地；第九MOS管的G极与第十一MOS管的G极相连接；第九MOS管的D极与W相线相连接；第九MOS管的S极接地；第十MOS管的D极与U相线相连；第十MOS管的S极接地；第十一MOS管的D极与W相线相连；第十一MOS管的S极接地；第十二MOS管的D极与V相线相连；第十二MOS管的S极接地。在工作时，U相线的上桥打开，V相线的上桥打开，则W相线的下桥打开，电流经由U相线和V相线的上桥流进W相线的下桥；当准备换相时，首先关闭W相线的下桥，及U相线的上桥，此时电路的的残余电量会经过W相线的下桥电阻电容回路自己消耗掉；换相开始时，打开U相线的下桥，W相线的上桥，则电流经过V相线和W相线的上桥流进U相线的下桥，这样循环换相，通过电机内部磁钢片来驱动电机进行工作。
参照图3，一种采用上述驱动电路的电动自行车用驱动电路控制器，包括外壳5，外壳5的内侧固定连接有散热凸台6，驱动电路板1通过螺栓固定连接在散热凸台6上，驱动电路板1和散热凸台6间设置有绝缘垫7。
以上所述，仅为本申请较佳的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，根据本申请的技术方案及其申请构思加以等同替换或改变，都应涵盖在本申请的保护范围之内。

Claims (5)

  1. 一种驱动电路控制器，包括驱动电路板(1)、电源和电机，其特征在于，所述驱动电路板(1)上焊接有一个集成芯片(2)、一个单片机(3)、十二个MOS管(4)、多个二极管器件、多个电阻器件和多个电容器件，十二个所述MOS管(4)分别为第一MOS管、第二MOS管、第三MOS管、第四MOS管、第五MOS管、第六MOS管、第七MOS管、第八MOS管、第九MOS管、第十MOS管、第十一MOS管和第十二MOS管，所述集成芯片(2)包括二十个引脚，所述集成芯片(2)的第一至第六引脚分别与单片机(3)的引脚电性连接，所述集成芯片(2)的第七引脚与电源电性连接，所述集成芯片(2)的第八引脚接地，所述集成芯片的第九至第二十引脚分别与二极管器件、电阻器件和电容器件电性连接，且通过电阻器件与MOS管(4)电性连接，所述MOS管(4)的受控端与电机的相线电性连接。
  2. 根据权利要求1所述的一种驱动电路控制器，其特征在于，所述电机的相线包括U相线、V相线和W相线，所述U相线、V相线和W相线均包括上桥和下桥，所述U相线的上桥包括第二MOS管和第五MOS管，所述U相线的下桥包括第七MOS管和第十MOS管，所述V相线的上桥包括第三MOS管和第六MOS管，所述V相线的下桥包括第八MOS管和第十二MOS管，所述W相线的上桥包括第一MOS管和第四MOS管，所述W相线的下桥包括第九MOS管和第十一MOS管。
  3. 根据权利要求2所述的一种驱动电路控制器，其特征在于，每个所述MOS管(4)均包括G极、D极和S极，所述第一MOS管的G极与第四MOS管的G极相连接；第一MOS管的D极与电源相连接；第一MOS管的S极与W相线连接；第二MOS管的G极与第五MOS管的G极相连接；第二MOS管的D极与电源相连接；第二MOS管的S极与U相线相连接，第三MOS管的G极与V相线相连接；第三MOS管的D极与电源相连接；第三MOS管的S极与V相线相连接；第四MOS管的D极与电源相连接；第四MOS管的S极与W相线相连接；第五MOS管的D极与电源相连接；第五MOS管的S极与U相线相连接；第六MOS管的D极与电源相连接；第六MOS管的S极与V相线相连接；第七MOS管的G极与第十MOS管的G极相连接；第七MOS管的D极与U相线相 连接；第七MOS管的S极接地；第八MOS管的G极与第十二MOS管的G极相连接；第八MOS管的D极与V相线相连接；第八MOS管的S极接地；第九MOS管的G极与第十一MOS管的G极相连接；第九MOS管的D极与W相线相连接；第九MOS管的S极接地；第十MOS管的D极与U相线相连；第十MOS管的S极接地；第十一MOS管的D极与W相线相连；第十一MOS管的S极接地；第十二MOS管的D极与V相线相连；第十二MOS管的S极接地。
  4. 一种采用权利要求1中所述驱动电路控制器的电动自行车用驱动电路控制器，包括外壳(5)，其特征在于，所述外壳(5)的内侧固定连接有散热凸台(6)，所述驱动电路板(1)通过螺栓固定连接在散热凸台(6)上。
  5. 根据权利要求4所述的一种电动自行车用驱动电路控制器，所述驱动电路板(1)和散热凸台(6)间设置有绝缘垫(7)。
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