WO2022110897A1 - 一种永磁电机无感控制系统性能的测试装置 - Google Patents

一种永磁电机无感控制系统性能的测试装置 Download PDF

Info

Publication number
WO2022110897A1
WO2022110897A1 PCT/CN2021/111443 CN2021111443W WO2022110897A1 WO 2022110897 A1 WO2022110897 A1 WO 2022110897A1 CN 2021111443 W CN2021111443 W CN 2021111443W WO 2022110897 A1 WO2022110897 A1 WO 2022110897A1
Authority
WO
WIPO (PCT)
Prior art keywords
hall
rotor
motor
control system
permanent magnet
Prior art date
Application number
PCT/CN2021/111443
Other languages
English (en)
French (fr)
Inventor
郑帮军
杨学海
林敏�
Original Assignee
台州正立电机有限公司
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 台州正立电机有限公司 filed Critical 台州正立电机有限公司
Publication of WO2022110897A1 publication Critical patent/WO2022110897A1/zh

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system

Definitions

  • the invention belongs to the field of motor control, and relates to a device for testing the performance of a permanent magnet motor non-inductive control system.
  • the non-inductive brushless DC motor Due to the low cost and simple production process of the non-inductive brushless DC motor, it is widely used in systems with light loads such as fluids. As the core control component of the system, its performance is directly reflected in the market. Gotta compete. Therefore, it is particularly important to test and judge the performance of the control system of the motor.
  • the control principle of the brushless DC motor is mainly to control the motor current through the rotor position, and the non-inductive brushless DC motor cannot directly judge the position of the rotor. can be estimated.
  • the purpose of the present invention is to provide a test device that can judge the excellent control system by monitoring the rotor position to obtain the accuracy of the rotor position estimation in the control, aiming at the above problems existing in the prior art.
  • a test device for the performance of a non-inductive control system of a permanent magnet motor characterized in that the device comprises a Hall rotor that can be quickly installed and fixed on the shaft extension end of the outer end of the motor and a
  • the Hall stator is quickly installed on the front and rear end covers of the motor.
  • the Hall rotor includes a Hall magnet and a Hall rotor bracket.
  • the Hall magnets are distributed in the Hall rotor bracket along the circumferential direction, and N/
  • the S poles are arranged at intervals
  • the Hall stator includes a Hall stator bracket, a Hall PCB, a Hall sensor and a Hall signal lead wire.
  • the Hall rotor bracket is provided with an annular groove for installing the Hall magnet, and the Hall rotor is also provided with a ring groove for installing the Hall magnet.
  • the rotor is fastened to the pressing block on the shaft end of the motor, and the pressing block is fixedly installed on the shaft end of the motor through the locking screw.
  • the number of the Hall magnets is the same as the number of poles of the motor to be tested, and the N/S poles are alternately installed during assembly, and the Hall magnets are charged
  • the magnetic direction is axial magnetization.
  • the Hall rotor bracket is made of aluminum alloy.
  • the number of the Hall sensors is 3, and the three Hall sensors are distributed along the circumferential direction with an electrical angle of 120° adjacent to each other.
  • the Hall sensors are installed corresponding to the number of Hall magnets.
  • the Hall PCB is provided with a PCB adjustment waist-shaped hole for adjusting the Hall PCB, and the PCB adjustment waist-shaped hole is provided with Fastening screws for the Hall PCB to be fixed on the Hall stator bracket.
  • the performance testing device of the permanent magnet motor non-inductive control system obtains the accuracy of the estimation of the rotor position in the control by monitoring the rotor position, and judges the superiority of the control system, and the structure is simple. , high precision and low manufacturing cost.
  • FIG. 1 is a schematic diagram of the Hall rotor structure of the test device for the performance of the non-inductive control system of the permanent magnet motor.
  • FIG. 2 is a schematic diagram of the Hall stator structure of the test device for the performance of the non-inductive control system of the permanent magnet motor.
  • Hall rotor 1, Hall rotor; 2, Hall stator; 3, Hall magnet; 4, Hall rotor bracket; 5, pressing block; 6, annular groove; 7, locking screw; 8, Hall stator bracket ; 9, Hall PCB; 10, Hall sensor; 11, Hall signal lead wire; 12, PCB adjustment waist hole; 13, Fastening screws.
  • the test device for the performance of the non-inductive control system of the permanent magnet motor includes a Hall rotor 1 that can be quickly installed and fixed on the shaft extension end of the outer end of the motor, and a front and rear end cover that can be quickly installed on the outer end of the motor.
  • the Hall rotor 1 On the Hall stator 2, the Hall rotor 1 includes a Hall magnet 3 and a Hall rotor bracket 4. The Hall magnets 3 are distributed in the Hall rotor bracket 4 along the circumferential direction and the N/S poles are arranged at intervals.
  • the stator 2 includes a Hall stator bracket 8 , a Hall PCB 9 , a Hall sensor 10 and a Hall signal lead-out line 11 .
  • the Hall rotor 1 is installed coaxially with the motor shaft to synchronize the rotor position; the Hall stator 2 is installed on the front and rear covers of the motor to sense and output the rotor position signal.
  • the number of Hall magnets 3 should be the same as the number of motor poles, and they should be equally distributed along the circumference.
  • a mounting annular groove 6 is provided for mounting the Hall magnet 3 .
  • a Hall rotor bracket 4 and a pressure block 5 are provided. 5. Fasten and securely install the Hall rotor 1 on the motor shaft end.
  • the Hall stator 2 In order for the Hall stator 2 to sense the rotor position simply and effectively, it is provided with three Hall sensors 10 which are distributed in an electrical angle of 120° adjacent to each other in the circumferential direction, and are aligned with the three Hall magnets after installation.
  • the Hall PCB9 is provided with a waist-shaped mounting hole, and the Hall PCB9 can be adjusted in the circumferential direction in order to find out the relative position of the Hall signal and the motor back EMF.
  • a Hall stator bracket 8 is provided with features, which should be positioned concentrically through the flanges of the front and rear end covers of the motor, and fastened to the end cover with screws, and the Hall PCB9 It is installed on the Hall stator bracket 8 through the positioning hole, so as to reduce the mechanical error and more accurately reflect the position of the motor rotor.
  • the Hall rotor bracket 4 is provided with an annular groove 6 for installing the Hall magnet 3, and the Hall rotor 1 is also provided with a pressing block 5 for fastening the Hall rotor 1 on the motor shaft end,
  • the pressing block 5 is fixedly installed on the shaft end of the motor through the locking screw 7 .
  • the number of Hall magnets 3 is the same as the number of poles of the motor to be tested, and the N/S poles are alternately installed during assembly, and the magnetization direction of the Hall magnets 3 is axial magnetization.
  • the Hall rotor bracket 4 is made of aluminum alloy.
  • the number of the Hall sensors 10 is three, and the three Hall sensors 10 are distributed in an electrical angle of 120° adjacent to each other along the circumferential direction, and the three Hall sensors 10 correspond to three Hall magnets after installation.
  • the Hall PCB9 is provided with a PCB adjustment waist-shaped hole 12 for adjusting the Hall PCB9, and the PCB adjustment waist-shaped hole 12 is provided with a fastening screw 13 for the Hall PCB9 to be fixedly installed on the Hall stator bracket 8 .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)

Abstract

一种永磁电机无感控制系统性能的测试装置，包括可快速安装固定于电机外端部轴伸端的霍尔转子（1)和可快速安装于电机外部前后端盖上的霍尔定子(2)，霍尔转子（1)包括霍尔磁铁(3)和霍尔转子支架(4)，霍尔磁铁(3)沿圆周方向均分布于霍尔转子支架(4)内且N/S极间隔排布，霍尔定子(2)包括霍尔定子支架(8)、霍尔PCB(9)、霍尔传感器(10)以及霍尔信号引出线(11)。测试装置具有结构简单、判断精准且高效率的优点。

Description

一种永磁电机无感控制系统性能的测试装置 技术领域
本发明属于电机控制领域，涉及一种永磁电机无感控制系统性能的测试装置。
背景技术
目前，由于无感的无刷直流电机成本低，生产工艺简单的特点，其广泛的应用在流体类轻型负载的系统中，作为系统的核心控制元件，其性能的优劣直接体现到了产品在市场上得竞争。从而对电机的控制系统性能的测试判断显得尤为重要，无刷直流电机得控制原理主要是通过转子位置来控制电机电流，而无感的无刷直流电机是无法直接判断转子的位置，转子位置只能通过估算得到。
发明内容
本发明的目的是针对现有技术中存在的上述问题，提供了一种可通过对转子位置的监控，从而得出控制中对转子位置估算的准确性，来判断控制系统优良的测试装置。
本发明的目的可通过下列技术方案来实现：一种永磁电机无感控制系统性能的测试装置，其特征在于，该装置包括可快速安装固定于电机外端部轴伸端的霍尔转子和可快速安装于电机外部前后端盖上的霍尔定子，所述的霍尔转子包括霍尔磁铁和霍尔转子支架，所述的霍尔磁铁沿圆周方向均分布于霍尔转子支架内且N/S极间隔排布，所述的霍尔定子包括霍尔定子支架、霍尔PCB、霍尔传感器以及霍尔信号引出线。
在上述的一种永磁电机无感控制系统性能的测试装置中，所述的霍尔转子支架上设置有供霍尔磁铁安装的环形槽，所述都霍尔转子上还设置有用于将霍尔转子紧固安装于电机轴端的压块，所述的压块通过锁紧螺钉将其固定安装于电机轴端。
在上述的一种永磁电机无感控制系统性能的测试装置中，所述的霍尔磁铁数量与所测试电机极数相同，且装配时N/S极交替安装，所述的霍尔磁铁充磁方向为轴向充磁。
在上述的一种永磁电机无感控制系统性能的测试装置中，所述的霍尔转子支架为铝合金材质。
在上述的一种永磁电机无感控制系统性能的测试装置中，所述的霍尔传感器数量为3个，且3个霍尔传感器沿圆周方向相邻120°电角度分布，三个所述霍尔传感器安装后与霍尔磁铁数相对应。
在上述的一种永磁电机无感控制系统性能的测试装置中，所述的霍尔PCB上开设有用于调节霍尔PCB的PCB调整腰型孔，所述的PCB调整腰型孔上设置有供霍尔PCB固定 安装于霍尔定子支架的紧固螺钉。
与现有技术相比，本永磁电机无感控制系统性能的测试装置通过对转子位置的监控，从而得出控制中对转子位置估算的准确性的，来判断控制系统的优良，且结构简单、精准度高以及制造成本低的优点。
附图说明
图1是本永磁电机无感控制系统性能的测试装置的霍尔转子结构示意图。
图2是本永磁电机无感控制系统性能的测试装置的霍尔定子结构示意图。
图中，1、霍尔转子；2、霍尔定子；3、霍尔磁铁；4、霍尔转子支架；5、压块；6、环形槽；7、锁紧螺钉；8、霍尔定子支架；9、霍尔PCB；10、霍尔传感器；11、霍尔信号引出线；12、PCB调整腰型孔；13、紧固螺钉。
具体实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
如图1图2所示，本永磁电机无感控制系统性能的测试装置，该装置包括可快速安装固定于电机外端部轴伸端的霍尔转子1和可快速安装于电机外部前后端盖上的霍尔定子2，霍尔转子1包括霍尔磁铁3和霍尔转子支架4，霍尔磁铁3沿圆周方向均分布于霍尔转子支架4内且N/S极间隔排布，霍尔定子2包括霍尔定子支架8、霍尔PCB9、霍尔传感器10以及霍尔信号引出线11。
工作原理
霍尔转子1与电机转轴同轴安装，用来同步转子位置；霍尔定子2安装于电机前后端盖，用来感应输出转子位置信号。
为了准确同步电机转子位置，霍尔磁铁3数量应与电机极数相同，且沿圆周方向等份均布。
为了避免在电机旋转工作中，因离心力作用而飞出，设有安装环形槽6用来安装霍尔磁铁3。
为了霍尔转子1可以快速可靠的安装于电机轴伸端，设有霍尔转子支架4和压块5，将霍尔转子支架4装配于电机轴伸端后，通过锁紧螺钉7将压块5紧固并将霍尔转子1可靠的安装于电机轴端。
为了霍尔定子2可以简单有效的感应转子位置，其设有3个霍尔传感器10且沿圆周方向相邻120°电角度分布，并安装后与霍尔磁铁3数对齐。
为了直接观测霍尔信号，霍尔PCB9设有腰形安装孔，可以沿圆周方向调节霍尔PCB9，以便找出霍尔信号与电机反电势的相对位置。
为了霍尔定子2可以可靠准确的反馈转子位置，设有霍尔定子支架8包含特征，其应通过电机前后端盖凸缘做同轴心定位，用螺钉紧固于端盖上，霍尔PCB9通过定位孔安装于霍尔定子支架8，以减少机械误差，更准确的反应电机转子的位置。
优先的，霍尔转子支架4上设置有供霍尔磁铁3安装的环形槽6，所述都霍尔转子1上还设置有用于将霍尔转子1紧固安装于电机轴端的压块5，压块5通过锁紧螺钉7将其固定安装于电机轴端。
优先的，霍尔磁铁3数量与所测试电机极数相同，且装配时N/S极交替安装，所述的霍尔磁铁3充磁方向为轴向充磁。
优先的，霍尔转子支架4为铝合金材质。
优先的，霍尔传感器10数量为3个，且3个霍尔传感器10沿圆周方向相邻120°电角度分布，三个霍尔传感器10安装后与霍尔磁铁3数相对应。
优先的，霍尔PCB9上开设有用于调节霍尔PCB9的PCB调整腰型孔12，PCB调整腰型孔12上设置有供霍尔PCB9固定安装于霍尔定子支架8的紧固螺钉13。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (6)

  1. 一种永磁电机无感控制系统性能的测试装置，其特征在于，该装置包括可快速安装固定于电机外端部轴伸端的霍尔转子(1)和可快速安装于电机外部前后端盖上的霍尔定子(2)，所述的霍尔转子(1)包括霍尔磁铁(3)和霍尔转子支架(4)，所述的霍尔磁铁(3)沿圆周方向均分布于霍尔转子支架(4)内且N/S极间隔排布，所述的霍尔定子(2)包括霍尔定子支架(8)、霍尔PCB(9)、霍尔传感器(10)以及霍尔信号引出线(11)。
  2. 据权利要求1所述的一种永磁电机无感控制系统性能的测试装置，其特征在于，所述的霍尔转子支架(4)上设置有供霍尔磁铁(3)安装的环形槽(6)，所述都霍尔转子(1)上还设置有用于将霍尔转子(1)紧固安装于电机轴端的压块(5)，所述的压块(5)通过锁紧螺钉(7)将其固定安装于电机轴端。
  3. 据权利要求1所述的一种永磁电机无感控制系统性能的测试装置，其特征在于，所述的霍尔磁铁(3)数量与所测试电机极数相同，且装配时N/S极交替安装，所述的霍尔磁铁(3)充磁方向为轴向充磁。
  4. 据权利要求1所述的一种永磁电机无感控制系统性能的测试装置，其特征在于，所述的霍尔转子支架(4)为铝合金材质。
  5. 据权利要求1所述的一种永磁电机无感控制系统性能的测试装置，其特征在于，所述的霍尔传感器(10)数量为3个，且3个霍尔传感器(10)沿圆周方向相邻120°电角度分布，三个所述霍尔传感器(10)安装后与霍尔磁铁(3)数相对应。
  6. 据权利要求1所述的一种永磁电机无感控制系统性能的测试装置，其特征在于，所述的霍尔PCB(9)上开设有用于调节霍尔PCB(9)的PCB调整腰型孔(12)，所述的PCB调整腰型孔(12)上设置有供霍尔PCB(9)固定安装于霍尔定子支架(8)的紧固螺钉(13)。
PCT/CN2021/111443 2020-11-25 2021-08-09 一种永磁电机无感控制系统性能的测试装置 WO2022110897A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011338550.6A CN112363486A (zh) 2020-11-25 2020-11-25 一种永磁电机无感控制系统性能的测试装置
CN202011338550.6 2020-11-25

Publications (1)

Publication Number Publication Date
WO2022110897A1 true WO2022110897A1 (zh) 2022-06-02

Family

ID=74533891

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/111443 WO2022110897A1 (zh) 2020-11-25 2021-08-09 一种永磁电机无感控制系统性能的测试装置

Country Status (2)

Country Link
CN (1) CN112363486A (zh)
WO (1) WO2022110897A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112363486A (zh) * 2020-11-25 2021-02-12 台州正立电机有限公司 一种永磁电机无感控制系统性能的测试装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6153957A (en) * 1998-11-19 2000-11-28 Moriyama Kogyo Kabushiki Kaisha DC brushless machine
US6680553B1 (en) * 1998-11-19 2004-01-20 Kabushiki Kaisha Moric Rotating electrical apparatus
CN101071974A (zh) * 2006-05-12 2007-11-14 杨光笋 直流无刷电机霍尔器件传感器
CN201656695U (zh) * 2010-02-03 2010-11-24 山东力久特种电机有限公司 一种带编码器的电机
CN201904710U (zh) * 2010-12-22 2011-07-20 深圳市仓兴达科技有限公司 霍尔传感器无刷永磁直流电动机
CN204669191U (zh) * 2015-05-22 2015-09-23 常州鋐汇动力科技有限公司 一体化的无刷电机装置
CN105048756A (zh) * 2015-06-13 2015-11-11 德州恒力电机有限责任公司 一种可调式永磁电机转子位置检测及传感器安装装置
CN204810102U (zh) * 2015-06-13 2015-11-25 德州恒力电机有限责任公司 一种可调式永磁电机转子位置检测及传感器安装装置
CN110149031A (zh) * 2019-06-21 2019-08-20 杭州摩恩电机有限公司 一种新型永磁叉车电机及其磁场位置检测方法
CN110829736A (zh) * 2019-11-04 2020-02-21 徐州铭尊机电有限公司 霍尔安装机构
CN112363486A (zh) * 2020-11-25 2021-02-12 台州正立电机有限公司 一种永磁电机无感控制系统性能的测试装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6153957A (en) * 1998-11-19 2000-11-28 Moriyama Kogyo Kabushiki Kaisha DC brushless machine
US6680553B1 (en) * 1998-11-19 2004-01-20 Kabushiki Kaisha Moric Rotating electrical apparatus
CN101071974A (zh) * 2006-05-12 2007-11-14 杨光笋 直流无刷电机霍尔器件传感器
CN201656695U (zh) * 2010-02-03 2010-11-24 山东力久特种电机有限公司 一种带编码器的电机
CN201904710U (zh) * 2010-12-22 2011-07-20 深圳市仓兴达科技有限公司 霍尔传感器无刷永磁直流电动机
CN204669191U (zh) * 2015-05-22 2015-09-23 常州鋐汇动力科技有限公司 一体化的无刷电机装置
CN105048756A (zh) * 2015-06-13 2015-11-11 德州恒力电机有限责任公司 一种可调式永磁电机转子位置检测及传感器安装装置
CN204810102U (zh) * 2015-06-13 2015-11-25 德州恒力电机有限责任公司 一种可调式永磁电机转子位置检测及传感器安装装置
CN110149031A (zh) * 2019-06-21 2019-08-20 杭州摩恩电机有限公司 一种新型永磁叉车电机及其磁场位置检测方法
CN110829736A (zh) * 2019-11-04 2020-02-21 徐州铭尊机电有限公司 霍尔安装机构
CN112363486A (zh) * 2020-11-25 2021-02-12 台州正立电机有限公司 一种永磁电机无感控制系统性能的测试装置

Also Published As

Publication number Publication date
CN112363486A (zh) 2021-02-12

Similar Documents

Publication Publication Date Title
JP5263024B2 (ja) 回転角検出装置および回転速度検出装置
US10312839B2 (en) Brushless DC motor with control electronics motor assembly
US7893579B2 (en) Brushless electric motor
WO2022110897A1 (zh) 一种永磁电机无感控制系统性能的测试装置
WO2023131103A1 (zh) 磁轴承组件及其控制方法、控制装置、压缩机和空调器
CN111049456A (zh) 一种霍尔传感器安装偏差识别和补偿方法及装置
CN111146980B (zh) 霍尔传感器不同安装方式下的偏差识别及补偿方法
CN106643821B (zh) 一种角位置检测方法及角位移传感器
CN213457764U (zh) 一种永磁电机无感控制系统性能的测试装置
CN105467150A (zh) 一种同时测量旋转角速度、角加速度的便携式发电机
CN109450142A (zh) 一种集成磁性编码器的一体化印刷绕组电机
WO2011057727A1 (en) Position sensing method and unit
CN213367583U (zh) 外转子永磁同步伺服电机及一体式电滚筒
CN210807038U (zh) 一种无刷有Hall内转子马达
CN109742906B (zh) 一种磁编码器及其安装方法
CN205352419U (zh) 一种磁阻绝对式编码器
CN202798355U (zh) 一种双凸极电机的霍尔光栅传感器的安装结构
CN216406912U (zh) 旋转机器
CN110932483A (zh) 转子位置测量结构、电机及提高转子位置测量精度的方法
CN116222629B (zh) 一种无传感器电机驱动的多圈编码器装置及其计数方法
CN219372147U (zh) 伺服电机线路板便捷安装用端盖集成一体结构
CN117040206B (zh) 高精度伺服电机及电气设备
CN215894863U (zh) 一种电机检测工装
CN210985881U (zh) 转子位置测量结构及其电机
JP3684143B2 (ja) 永久磁石型同期モータ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21896403

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21896403

Country of ref document: EP

Kind code of ref document: A1