WO2016045149A1 - 一种无刷电机的霍尔电子电路 - Google Patents

一种无刷电机的霍尔电子电路 Download PDF

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Publication number
WO2016045149A1
WO2016045149A1 PCT/CN2014/088274 CN2014088274W WO2016045149A1 WO 2016045149 A1 WO2016045149 A1 WO 2016045149A1 CN 2014088274 W CN2014088274 W CN 2014088274W WO 2016045149 A1 WO2016045149 A1 WO 2016045149A1
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hall
electronic circuit
circuit board
brushless motor
position signal
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English (en)
French (fr)
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孙海荣
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Zhongshan Broad Ocean Motor Co Ltd
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Zhongshan Broad Ocean Motor Co Ltd
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Publication of WO2016045149A1 publication Critical patent/WO2016045149A1/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors

Definitions

  • the utility model relates to a Hall electronic circuit of a brushless motor.
  • Hall circuit boards are installed in bare metal for detecting the position signal of the rotor, but different customers have different requirements for the detection signals of the rotor position. Some customers require that the rising edge of the Hall detection signal corresponds to the back EMF peak. Some customers require that the falling edge of the Hall detection signal corresponds to the back EMF peak.
  • the winding direction of the coil winding was changed to meet the customer's requirements, but If the winding direction is often changed during production, the operation is very troublesome and error-prone.
  • the current practice is to change the mounting direction of the Hall circuit board, and use the back surface of the Hall element to sense the position signal of the rotor.
  • this detection method has low reliability, and the risk of poor detection detection is large, and multiple sets of Halls are to be produced.
  • the fixing material of the circuit board material and the Hall component increases the difficulty of material maintenance.
  • the purpose of the utility model is to provide a Hall electronic circuit of a brushless motor, which is simple in structure and can be conveniently switched between the rising edge or the falling edge of the Hall detection signal corresponding to the back electromotive force peak, avoiding the use of the Hall chip reverse surface sensing. Possible undesirable phenomena to reduce the maintenance of electronic circuit boards and supporting materials.
  • a Hall electronic circuit of a brushless motor comprising an electronic circuit board, at least one Hall sensing circuit unit is disposed on the electronic circuit board, and each of the Hall sensing circuit units includes a Hall chip for The position signal of the rotor is detected.
  • the output of the Hall chip is connected with an inverter, and the Hall chip outputs the detected rotor forward position signal through the inverter.
  • the above-mentioned printed circuit on the two ends of the inverter and the electronic circuit board are provided with jacks for connecting the resistors.
  • the resistors are connected in parallel through the jacks at both ends of the inverter.
  • the number of Hall sensing circuit units described above is three.
  • the above-mentioned electronic circuit board is provided with a plurality of connection terminals, the external power supply is connected through the connection terminals, and the detected rotor position signal is outputted through the connection terminals.
  • connection terminals described above is five, including the power input terminal +5V, the first Hall signal terminal H1, the second Hall signal terminal H2, the third Hall signal terminal H3, and the ground terminal GND.
  • the resistor described above is solder mounted on an electronic circuit board.
  • the output of the Hall chip is connected with an inverter, and the Hall chip outputs the detected forward position signal of the rotor through the inverter, and the jack is provided on the printed circuit and the electronic circuit board at both ends of the inverter.
  • the resistor In connection with the resistor, when the rotor reverse position signal needs to be output, the resistor is connected in parallel to the two ends of the inverter through the jack.
  • the structure is simple, and can be conveniently switched between the rising edge or the falling edge of the Hall detection signal corresponding to the counter electromotive force peak. Avoid the use of Hall chip reverse side sensing possible defects, reduce the maintenance of electronic circuit boards and supporting materials;
  • connection terminals are arranged on the electronic circuit board, the external power supply is connected through the connection terminal, and the detected rotor position signal is outputted through the connection terminal, the structure is simple, and the connection is convenient and reliable;
  • the resistor is soldered and mounted on the electronic circuit board, and the process is simple, the operation efficiency is high, and the cost is low.
  • Figure 1 is a circuit diagram of the present invention.
  • the utility model relates to a Hall electronic circuit of a brushless motor, comprising an electronic circuit board, wherein three Hall sensing circuit units are arranged on the electronic circuit board, and each Hall sensing is performed.
  • the circuit unit includes a Hall chip for detecting a position signal of the rotor, an output terminal of the Hall chip is connected with an inverter, and the Hall chip outputs the detected rotor forward position signal through the inverter.
  • the Hall chip includes H1, H2, and H3, and the inverters include U1, U2, and U3.
  • a socket 12 is formed on the printed circuit 11 and the electronic circuit board at both ends of the inverter for connecting the resistor, and when the rotor reverse position signal needs to be output, the power is
  • the resistor is connected in parallel through the jack at both ends of the inverter.
  • the resistors include R7, R8, and R9.
  • connection terminals are disposed on the electronic circuit board, the external power supply is connected through the connection terminals, and the detected rotor position signal is outputted through the connection terminals.
  • the number of connection terminals is five, including a power input terminal +5V, a first Hall signal terminal H1, a second Hall signal terminal H2, a third Hall signal terminal H3, and a ground terminal GND.
  • Resistors R7, R8 and R9 are solder mounted on an electronic circuit board.
  • the principle of the utility model is that the Hall chips H1, H2 and H3 respectively output the detected rotor forward position signals through the inverters U1, U2 and U3, respectively, and when the rotor reverse position signal needs to be output, the resistors R7 and R8 And R9 are connected in parallel at the two ends of the inverters U1, U2 and U3 through the jack 12 respectively.
  • the structure is simple, and can be conveniently switched between the rising edge or the falling edge of the Hall detection signal corresponding to the counter electromotive force peak, avoiding the use of the Hall.
  • the reverse side of the chip senses possible defects and reduces the maintenance of electronic circuit boards and supporting materials.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Brushless Motors (AREA)

Abstract

一种无刷电机的霍尔电子电路，包括电子线路板，在电子线路板上设置有至少一个霍尔传感电路单元，所述的每个霍尔传感电路单元包括一个霍尔芯片（H1、H2、H3）用于检测转子的位置信号，霍尔芯片（H1、H2、H3）的输出端连接有反相器（U1、U2、U3），霍尔芯片（H1、H2、H3）通过反相器（U1、U2、U3）往外输出检测到的转子正向位置信号，该结构简单，能够在霍尔检测信号的上升沿或者下降沿对应反电动势波峰之间方便切换，避免使用霍尔芯片（H1、H2、H3）反面感应可能出现的不良现象，减少电子线路板和配套物料的维护。

Description

一种无刷电机的霍尔电子电路 技术领域：
本实用新型涉及一种无刷电机的霍尔电子电路。
背景技术：
现在市场需要的无刷单机(裸机)越来越多，在裸机里面安装有霍尔线路板用于检测转子的位置信号，但是不同的客户对转子位置的检测信号有着不同的要求。有些客户要求霍尔检测信号的上升沿对应反电动势波峰，有些客户要求霍尔检测信号的下降沿对应反电动势波峰，以前有的做法是通过改变线圈绕组的绕线方向以达到客户的要求，但是如果在生产中经常改变绕线方向，操作十分麻烦，而且容易出错。目前的做法都是改变霍尔线路板的安装方向，使用霍尔元件的反面感应检测转子的位置信号，但是这种检测方式可靠性低，感应检测不良的风险大，而且要生产多套霍尔线路板物料和霍尔元件配套的固定架，增加物料维护难度。
发明内容：
本实用新型的目的是提供一种无刷电机的霍尔电子电路，该结构简单，能够在霍尔检测信号的上升沿或者下降沿对应反电动势波峰之间方便切换，避免使用霍尔芯片反面感应可能出现的不良现象，减少电子线路板和配套物料的维护。
本实用新型的目的是通过下述技术方案予以实现的。
一种无刷电机的霍尔电子电路，包括电子线路板，在电子线路板上设置有至少一个霍尔传感电路单元，所述的每个霍尔传感电路单元包括一个霍尔芯片用于检测转子的位置信号，霍尔芯片的输出端连接有反相器，霍尔芯片通过反相器往外输出检测到的转子正向位置信号。
上述所述的在反相器两端的印刷线路、电子线路板上开设有插孔用于连接电阻，当需要输出转子反向位置信号，电阻通过插孔并联在反相器的两端。
上述所述的霍尔传感电路单元的数量是3个。
上述所述的在电子线路板上设置有若干连接端子，通过连接端子连接外部供电电源并且通过连接端子往外输出检测到的转子位置信号。
上述所述的连接端子的数量是5个，包括电源输入端子+5V、第一霍尔信号端子H1、第二霍尔信号端子H2、第三霍尔信号端子H3和接地端子GND。
上述所述的电阻是焊接安装在电子线路板上的。
本实用新型与现有技术相比，具有如下效果：
1)霍尔芯片的输出端连接有反相器，霍尔芯片通过反相器往外输出检测到的转子正向位置信号，在反相器两端的印刷线路、电子线路板上开设有插孔用于连接电阻，当需要输出转子反向位置信号，电阻通过插孔并联在反相器的两端，该结构简单，能够在霍尔检测信号的上升沿或者下降沿对应反电动势波峰之间方便切换，避免使用霍尔芯片反面感应可能出现的不良现象，减少电子线路板和配套物料的维护；
2)在电子线路板上设置有若干连接端子，通过连接端子连接外部供电电源并且通过连接端子往外输出检测到的转子位置信号，结构简单，连接方便、可靠；
3)电阻是焊接安装在电子线路板上的，工艺简单，操作效率高，成本低。
附图说明：
图1是本实用新型的电路图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
如图1所示，本实用新型是一种无刷电机的霍尔电子电路，包括电子线路板，在电子线路板上设置有三个霍尔传感电路单元，所述的每个霍尔传感电路单元包括一个霍尔芯片用于检测转子的位置信号，霍尔芯片的输出端连接有反相器，霍尔芯片通过反相器往外输出检测到的转子正向位置信号。霍尔芯片包括H1、H2和H3，反相器包括U1、U2和U3。在反相器两端的印刷线路11、电子线路板上开设有插孔12用于连接电阻，当需要输出转子反向位置信号，电 阻通过插孔并联在反相器的两端。所述的电阻包括R7、R8和R9。
在电子线路板上设置有若干连接端子，通过连接端子连接外部供电电源并且通过连接端子往外输出检测到的转子位置信号。连接端子的数量是5个，包括电源输入端子+5V、第一霍尔信号端子H1、第二霍尔信号端子H2、第三霍尔信号端子H3和接地端子GND。
电阻R7、R8和R9是焊接安装在电子线路板上的。
本实用新型的原理是：霍尔芯片H1、H2和H3分别通过反相器U1、U2和U 3往外输出检测到的转子正向位置信号，当需要输出转子反向位置信号，电阻R7、R8和R9分别通过插孔12并联在反相器U1、U2和U3的两端，该结构简单，能够在霍尔检测信号的上升沿或者下降沿对应反电动势波峰之间方便切换，避免使用霍尔芯片反面感应可能出现的不良现象，减少电子线路板和配套物料的维护。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (6)

  1. 一种无刷电机的霍尔电子电路，包括电子线路板，在电子线路板上设置有至少一个霍尔传感电路单元，所述的每个霍尔传感电路单元包括一个霍尔芯片用于检测转子的位置信号，其特征在于：霍尔芯片的输出端连接有反相器，霍尔芯片通过反相器往外输出检测到的转子正向位置信号。
  2. 根据权利要求1所述的一种无刷电机的霍尔电子电路，其特征在于：在反相器两端的印刷线路、电子线路板上开设有插孔用于连接电阻，当需要输出转子反向位置信号，电阻通过插孔并联在反相器的两端。
  3. 根据权利要求1或2所述的一种无刷电机的霍尔电子电路，其特征在于：所述霍尔传感电路单元的数量是3个。
  4. 根据权利要求3所述的一种无刷电机的霍尔电子电路，其特征在于：在电子线路板上设置有若干连接端子，通过连接端子连接外部供电电源并且通过连接端子往外输出检测到的转子位置信号。
  5. 根据权利要求4所述的一种无刷电机的霍尔电子电路，其特征在于：所述连接端子的数量是5个，包括电源输入端子+5V、第一霍尔信号端子H1、第二霍尔信号端子H2、第三霍尔信号端子H3和接地端子GND。
  6. 根据权利要求2所述的一种无刷电机的霍尔电子电路，其特征在于：所述的电阻是焊接安装在电子线路板上的。
PCT/CN2014/088274 2014-09-23 2014-10-10 一种无刷电机的霍尔电子电路 Ceased WO2016045149A1 (zh)

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CN115833658A (zh) * 2022-11-15 2023-03-21 珠海格力电器股份有限公司 一种基于霍尔元件的电路及该电路的控制方法

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1131479A (zh) * 1993-09-20 1996-09-18 德国汤姆逊-布朗特公司 具有多个传感器的控制电路
CN1649249A (zh) * 2004-01-29 2005-08-03 三洋电机株式会社 电机驱动装置、集成电路、电机驱动方法
CN102594231A (zh) * 2012-02-16 2012-07-18 吉林大学 用于汽车电动助力转向系统的无刷电机转子位置信号解算模块
CN203027180U (zh) * 2013-01-24 2013-06-26 王汝新 三相运行直流无刷电动机控制器
CN203434904U (zh) * 2013-09-10 2014-02-12 中国航天科技集团公司第四研究院四0一所 一种纯硬件实现的无刷直流电机驱动器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1131479A (zh) * 1993-09-20 1996-09-18 德国汤姆逊-布朗特公司 具有多个传感器的控制电路
CN1649249A (zh) * 2004-01-29 2005-08-03 三洋电机株式会社 电机驱动装置、集成电路、电机驱动方法
CN102594231A (zh) * 2012-02-16 2012-07-18 吉林大学 用于汽车电动助力转向系统的无刷电机转子位置信号解算模块
CN203027180U (zh) * 2013-01-24 2013-06-26 王汝新 三相运行直流无刷电动机控制器
CN203434904U (zh) * 2013-09-10 2014-02-12 中国航天科技集团公司第四研究院四0一所 一种纯硬件实现的无刷直流电机驱动器

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