CN100449914C - Method for making brushless DC velocity measuring dynamo - Google Patents

Method for making brushless DC velocity measuring dynamo Download PDF

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Publication number
CN100449914C
CN100449914C CN 200610200986 CN200610200986A CN100449914C CN 100449914 C CN100449914 C CN 100449914C CN 200610200986 CN200610200986 CN 200610200986 CN 200610200986 A CN200610200986 A CN 200610200986A CN 100449914 C CN100449914 C CN 100449914C
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brushless dc
tachometer generator
winding
motor
stator core
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CN 200610200986
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Chinese (zh)
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CN1929266A (en
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立 杨
强 陈
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中国江南航天工业集团林泉电机厂
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Abstract

本发明公开了一种一体化无刷直流测速发电机及其制作方法,它在无刷直流电动机的定子铁心槽内同时嵌放有电动机绕组和测速发电机绕组,使无刷直流电动机和无刷直流测速发电机两者共用同样的定子铁心和同样的转子及同样的主极励磁磁钢。 The present invention discloses an integrated brushless DC tachometer generator and its production method, it is also embedded in the stator core slots to put a brushless DC motor with a motor winding and a tachometer generator winding, and the brushless DC motor brushless both share the same DC tachogenerator stator core and the rotor and the same same field of the main magnet pole. 本发明除了在定子铁心槽内增加一套测速发电机绕组外,没有附加任何其他的结构,因此大大简化了传统测速发电机组的结构,并且大大降低了制作成本;此外,本发明用电子换向替代传统的机械换向实现无刷直流电动机的电流切换和无刷直流测速发电机的电压信号切换,使电动机实现连续旋转同时使测速发电机输出正比于转速和转向的电压信号。 In addition to increasing a tachometer generator winding slots of the stator core of the present invention, the outer, not attached to any other structure, thus greatly simplifying the structure of a conventional tachometer generator, and greatly reduces production costs; In addition, the present invention is electronically commutated instead of the traditional mechanical commutation voltage switching signal to the switching currents to achieve brushless DC motor and a brushless DC tachometer generator, continuous rotation of the motor while the output of the generator speed is proportional to the speed and direction of the voltage signal. 本发明不仅具有体积小、结构简单紧凑的优点,而且还具有制作成本低、工作性能稳定的优点。 The present invention not only has a small volume, the advantage of simple and compact construction, but also has low production cost, performance and stability advantages.

Description

一体化无刷直流测速发电机及其制作方法 Integration of Brushless DC tachometer generator and its manufacturing method

技术领域: FIELD:

本发明涉及一种一体化无刷直流测速发电机及其制作方法,属于测速发电机技术领域。 The present invention relates to an integrated brushless DC tachometer generator and a manufacturing method belongs to the technical field generator speed. 背景技术: Background technique:

目前,现有技术中的测速发电机普遍采用组合式结构,即一般采用无刷电动机和有刷测速发电机进行组合形成测速发电机组,或者采用无刷电动机和交流发电机组合成测速发电机组,这种组合式结构的测速发电机组由于前者采用了有刷测速发电机,因此存在着使用寿命较短、同时可能产生火花和千扰的缺点;而后者由于其交流发电机的输出电压无法反映旋转方向,需要额外增加转向信号,因此存在着结构比较复杂,而且工作性能也不太稳定的缺 Currently, the prior art commonly used tachogenerator modular structure, i.e. generally use a brushless motor and tachogenerator brush formed by combining tachometer generators, or alternators brushless motor and tachogenerator combined into groups, which tachometer generators since the former kind of modular structure of the tachometer generator using a brush, and therefore there is a short life, but may be one thousand sparks and disadvantages of interference; and the latter due to an output voltage of the alternator can not reflect the direction of rotation It requires additional turn signal, so there is more complex structure, and performance is not very stable missing

点;此外,现有的组合式结构测速发电机组还存在着体积大、制作成本较高的问题。 Point; In addition, the modular structure of the conventional tachometer generators there is a large volume, high production cost.

发明内容: SUMMARY:

本发明的目的是:提供一种体积小、结构简单紧凑、并且制作成本较底、工作性能较稳定的一体化无刷直流测速发电机及其制作方法,以克服现有技术的不足。 Object of the present invention are: to provide a small volume, simple and compact structure, and production costs than the end, a more stable performance integrated brushless DC tachometer generator and a manufacturing method to overcome the deficiencies of the prior art. 本发明是这样实现的: The present invention is achieved:

本发明的一体化无刷直流测速发电机的制作方法为:它在无刷直流电动机的定子铁心槽内同时嵌放有电动机绕组和测速发电机绕组,使无刷直流电动机和无刷直流测速发电机两者共用同样的定子铁心和同样的转子及同样的主极励磁磁钢。 Integration of the brushless DC tachometer generator is a manufacturing method of the present invention: it is embedded while the discharge slots of the stator core of the brushless DC motor with a tachometer generator windings and the motor windings, the brushless DC motor and a brushless DC tachometer generator both share the same machine and the same stator core and rotor magnets the same field of the main pole.

采用本发明的方法制作的一种一体化无刷直流测速发电机为:它包括设有定子铁心 The present invention is a method of making an integrated brushless DC tachometer generator as: it comprises a stator core

5和转子6的无刷直流电动机,在转子6上安装有主极磁钢7,在无刷直流电动机的定子铁心5 的槽内嵌放有电动机绕组1和测速发电机绕组3,并且在无刷直流电动机的端盖8上安装有位置传感器9,在转子6上固定有跟踪磁钢10。 5 and a rotor 6 of the brushless DC motor, the rotor 6 is attached to the main pole magnet 7, the brushless DC motor of the stator core 5 embedded in a groove of the motor windings placed tachometer generator winding 3 and 1, and no brush DC motor position sensor 9 is attached to the end cap 8, the tracking magnet 10 is fixed on the rotor 6.

在无刷直流电动机的定子铁心5的槽内通过槽楔4卡固有槽绝缘体2,并且电动机绕组1和测速发电机绕组3嵌放在槽绝缘体2内。 Brushless DC motor of the stator core groove 5 of the insulator 2 by the inherent wedge card slot 4, and a motor winding and winding 3 tachogenerator insulator 2 fitted in the groove.

电动机绕组1为三相Y型绕组,测速发电机绕组3为六相绕组。 1 a three-phase motor winding is Y-winding, tachometer generator winding 3 is a six-phase winding.

位置传感器9分别输出电信号到电子换向逻辑运算电路11和电子模拟开关电路12,电子换向逻辑运算电路11输出电信号到三相桥式功率放大电路13,三相桥式功率放大电路13输出电信号到电动机绕组l;测速发电机绕组3的电信号也输入到电子模拟开关电路12,电子模拟开关电路12输出电信号到放大滤波电路14的输入端,放大滤波电路14的输出端输出直流电信号。 The position sensor 9 outputs an electric signal to the electronic exchange 12, electronic commutation logic operation circuit 11 and the electronic analog switch circuits to three-phase bridge power amplifier 11 outputs the electric signal to the logic operation circuit circuit 13, a three-phase bridge power amplifier circuit 13 outputs an electrical signal to motor windings L; tachogenerator electrical winding 3 is also inputted to the electronic analog switch circuit 12, the analog switch 12 outputs an electric signal the electronic circuitry to the input terminal of the filter amplifying circuit 14 amplifies the filtered circuit output terminal 14 DC signal.

由于采用了上述技术方案,本发明在定子铁心槽内同时嵌放电动机绕组和测速发电机绕组,将无刷直流电动机和无刷直流测速发电机两者共用定子铁心、共用主极励磁磁钢、共用位置传感器。 By adopting the technical solution of the present invention is fitted in the stator core slots while the discharge motor windings and generator windings speed, brushless DC motor, and the two brushless DC tachometer generator stator core shared, common main pole field magnet, common position sensor. 采用这种结构可以极大縮小机组的体积,除了在定子铁心槽内增加一套测速发电机绕组外,没有附加任何其他的结构,因此大大简化了传统测速发电机组的结构,并且大 With such a structure can greatly reduce the size of the unit, in addition to increasing a tachometer generator winding slots of the stator core, there is no any other additional structures, thus greatly simplifying the structure of a conventional tachometer generator, and the large

大降低了制作成本;此外,本发明用电子换向替代传统的机械换向实现无刷直流电动机的电流切换和无刷直流测速发电机的电压信号切换,使电动机实现连续旋转同时使测速发电机输出正比于转速和转向的电压信号。 Greatly reduced production costs; In addition, the present invention is electronic commutation voltage switching signal to the switching currents to achieve brushless DC motor and a brushless DC tachometer generator to replace the traditional mechanical, continuous rotation of the motor while the tachogenerator output proportional to the speed and direction of the voltage signal. 本发明的无刷直流电动机工作方式与普通无刷电动机类 Brushless DC motor according to the present invention works with the general class of the brushless motor

似,而无刷测速发电机绕组发出的是交流电,然后采用电子模拟开关根据其转向进行正电平或负电平的选通,拼接成正比于转向和转速的直流输出电压,从而实现了无接触式换 Like, while the brushless tachometer generator winding emitted alternating current, and electronic analog switches in accordance with its positive level or negative level steering gate, the splice is directly proportional to the DC output voltage and a steering speed, thereby achieving a non-contact transducers

向。 to. 因此,本发明与现有技术相比,本发明不仅具有体积小、结构简单紧凑的优点,而且还具有制作成本底、工作性能稳定的优点。 Accordingly, the present invention as compared with the prior art, the present invention not only has a small volume, the advantage of simple and compact construction, the production cost but also has a bottom, work performance and stability advantages.

附图说明- BRIEF DESCRIPTION OF -

附图l为本发明的结构示意图; BRIEF l structural diagram of the present invention;

附图2为本发明的电动机绕组和测速发电机绕组嵌放在定子铁心槽内的结构示意图; BRIEF motor winding 2 of the present invention and tachometer generator windings embedded into the stator core slot structure diagram;

附图3为本发明的控制电路原理示意框图。 The control circuit 3 of the present invention, the principle of the drawings a schematic block diagram.

具体实施方式: detailed description:

本发明的实施例:可采用在无刷直流电动机的定子铁心槽内同时嵌放有电动机绕组和测速发电机绕组方法制作一体化无刷直流测速发电机,使其无刷直流电动机和无刷直流测速发电机两者共用同样的定子铁心和同样的转子及同样的主极励磁磁钢。 Embodiments of the present invention are: to use slots of the stator core while brushless DC motor and the motor windings embedded placed tachometer generator winding method of manufacturing an integrated brushless DC tachometer generator, so that the brushless DC motor and a brushless DC both share the same tachogenerator stator core and the rotor and the same same field of the main magnet pole.

在采用本发明的方法制作一体化无刷直流测速发电机时,可采用现有的设有定子铁心5 When making an integrated brushless DC tachometer generator employed in the process of the present invention may be employed with a conventional stator core 5

和转子6的无刷直流电动机进行制作,其无刷直流电动机可采用4对极、24槽的结构,制作 And brushless DC motor rotor 6 is produced, which brushless DC motor can be four pairs of poles, the structure of the groove 24, making

时,按传统方式在转子6上安装主极磁钢7,然后在无刷直流电动机的定子铁心5的槽内嵌放上电动机绕组1和测速发电机绕组3,在无刷直流电动机的定子铁心5的槽内嵌放上电动机绕组1和测速发电机绕组3时,最好是先将电动机绕组1和测速发电机绕组3嵌放在槽绝缘体2内,然后再通过槽楔4将槽绝缘体2卡固上在无刷直流电动机的定子铁心5的槽内,最好将电动机绕组1按传统的方式绕制成三相Y型绕组,将测速发电机绕组3绕制成六相绕组,由于测速发电机不需要功率输出,只要保证工艺性,所以可选用非常细的漆包线,因此测速发电机绕组在槽内占的空间非常小,几乎可以不考虑对槽满率的影响;在无刷直流电动机的端盖8 上安装上三相位置传感器9,该三相位置传感器可采用传统的霍尔集成电路,在转子6上固定 When, in a conventional manner mounted on the main pole magnet 7 of the rotor 6 and the groove 5 is placed inline motor windings of the stator core of a brushless DC motor and tachometer generator winding 3, the stator core in a brushless DC motor when placed in the groove 5 embedded coil and motor windings tachogenerator 3, preferably 1 and the first motor winding tachometer generator winding 3 insulator 2 fitted in the groove, and then through the wedge groove 4 of the insulator 2 slots of the stator core of a brushless DC motor 5 fixed on the card, preferably the motor winding 1 wound in a conventional manner by the three-phase Y-winding, a tachometer generator winding 3 is wound in a six-phase winding, since the speed no power output of the generator, as long as manufacturability, it is possible to choose a very thin wire, so slot accounting tachometer generator winding space is very small, almost without considering the impact on the space factor; a brushless DC motor the cap 8 is mounted on the three-phase position sensor 9, the three-phase position sensor may be employed conventional Hall IC, fixed to the rotor 6

上跟踪磁钢i0,并使跟踪磁钢10在随转子6转动到位置传感器9的位置时,该位置传感器9能够感应到磁钢信号;然后将位置传感器9的输出信号分别输到一个电子换向逻辑运算电路11 和一个电子模拟开关电路12,电子换向逻辑运算电路可以选用的通用电路非常多,如摩托罗拉公司生产的mc33035型号的电路,而电子模拟开关电路可以选用的市场上的型号也较多, 但是必须选用可以双电压工作且满足输出要求的,如要求输出的最高电压范围为士12V,就必须选用工作电压在土12V以上的电路,在本实施例中选用Harri公司生产的型号为HI-548的八选一电子模拟开关电路;将电子换向逻辑运算电路ll输出的电信号接到一个常规的三相桥式功率放大电路13,并使该三相桥式功率放大电路13输出的直流电信号输到电动机绕组1; 将测速发电机绕组3的电信号也输入到电子模拟开关电 The tracking magnet i0, and the tracking magnet 10 when the rotor 6 is rotated to a position with a position sensor 9, position sensor magnet 9 can sense signal; and an output signal of the position sensor 9 are input to an electronic transducer model on the common circuit to the logic operation circuit 11 and an electronic analog switch circuit 12, the electronic commutation logic operation circuit can use very much, such as produced by Motorola Inc. mc33035 type of circuit, and the electronic analog switch circuit may be selected markets more, but must be selected to meet the dual-voltage operation and output requirements, such as the maximum required output voltage range is ± 12V, the operating voltage must be selected in the above soil circuit 12V, in the present embodiment selection Harri produced model HI-548 was selected from a eight analog electronic switching circuit; electronic transducer to a conventional three-phase bridge circuit 13 to the power amplifying electrical signals output from the logic operation circuit ll, and the three-phase bridge power amplifier 13 DC output from the signal output to the motor windings 1; the tachogenerator electrical winding 3 is also input to the electronic analog switch circuit 路12,并将电子模拟开关电路12的输出电信号接到一个放大滤波电路14的输入端,该放大滤波电路14的输出端所输出的电信号就是表示测速发电机转速的直流电信号,放大滤波电路14最好采用市场上出售的精密高速运放构造二阶有源滤波电路,这样可以达到非常好的滤波效果。 Path 12, and outputs an electrical signal to the electronic analog switch circuit 12 to one input terminal of the filter circuit 14 amplifies the electrical signal output of the filter circuit 14 amplifying the output DC electric signal is represented by the rotational speed of the tachometer generator, amplified and filtered precision circuit 14 is preferably used high-speed driving put on the market second-order active filter circuit configuration, which can achieve very good filtering effect.

本发明的工作原理为:其三相位置传感器根据定子与转子的位置关系反馈三路互差120°电角度、脉宽18(T电角度的方波电信号,该方波电信号经过电子换向逻辑运算电路运算后输出六路互差60。电角度、脉宽12(T电角度的方波电信号,这六路方波电信号控制三相桥式功率放大电路的六个功率晶体管的开关,从而使电动机三相绕组按照一定的时序工作,驱动电机转子旋转;此时,六相测速发电机绕组在旋转磁场激励下输出六路交流电信号,这六路交流电信号是具有一定宽度的平顶梯形波电信号,该平顶梯形波电信号输入到八选一电子模拟开关电路后,经过三相传感器的方波信号编码选通,在不同的时序选通六相绕组不同相的平顶部分,每时序选通宽度为6(T电角度,电机旋转一周有六个时序状态,六状态依次循环选通,从而拼接成一个直流电平,该直流电 Working principle of the invention is: its three-way three-phase position sensor feedback from the positional relationship of the stator and rotor mutual difference in electrical angle 120 °, the pulse width 18 (square wave electrical signal of the electrical angle T, the square wave electrical signal through an electronically commutated outputs the logic operation circuit 60. the arithmetic difference between each six-way electrical angle, a pulse width 12 (square wave electrical signal to an electrical angle of T, the six square wave electrical control phase bridge six power switching power transistor amplifier circuit, so that the motor phase winding work according to a certain timing, the driving motor rotor to rotate; in this case, six-phase generator winding speed outputs an alternating current signal at a six-way rotating magnetic field excitation, which is six-way flattened trapezoidal AC signal having a constant width wave electric signal after the flat-top trapezoidal wave electrical signal is input to the eight selected from an electronic analog switch circuit via a three-phase square wave signals encoded strobe sensor, at different timings gating six winding phase portions of different phases of the flat top, each timing of a strobe width is 6 (T electrical angle, the motor rotation state timing six week cycle six state sequentially gating to assemble into a DC level, the DC 经过放大滤波电路适当的放大和滤波后,即输出满足要求的反馈电机转速和转向的直流电信号。 After amplifying and filtering circuits appropriate amplification and filtering, i.e. to meet the feedback motor speed and the output of the DC steering signal required.

Claims (5)

1.一种一体化无刷直流测速发电机的制作方法,其特征在于:在无刷直流电动机的定子铁心槽内同时嵌放有电动机绕组和测速发电机绕组,使无刷直流电动机和无刷直流测速发电机两者共用同样的定子铁心和同样的转子及同样的主极励磁磁钢。 CLAIMS 1. A method of manufacturing an integrated brushless DC tachometer generator, characterized in that: the slots of the stator core while brushless DC motor embedded in motor windings and placed tachometer generator winding, and the brushless DC motor brushless both share the same DC tachogenerator stator core and the rotor and the same same field of the main magnet pole.
2 一种一体化无刷直流测速发电机,它包括设有定子铁心(5)和转子(6)的无刷直流电动机,在转子(6)上安装有主极磁钢(7),其特征在于:在无刷直流电动机的定子铁心(5)的槽内嵌放有电动机绕组(1)和测速发电机绕组(3),并且在无刷直流电动机的端盖(8)上安装有位置传感器(9),在转子(6)上固定有跟踪磁钢(10 2 an integrated brushless DC tachometer generator, brushless DC motor comprising a stator core (5) and a rotor (6) mounted on the rotor (6) has a main magnet pole (7), characterized in comprising: a stator core (5) in a brushless DC motor embedded in the groove with a discharge motor winding (1) and a tachometer generator winding (3), and the position sensor is mounted on the end cap of the brushless DC motor (8) (9), the rotor (6) is fixed to the tracking magnet (10
3 根据权利要求2所述的一体化无刷直流测速发电机,其特征在于: 在无刷直流电动机的定子铁心(5)的槽内通过槽楔(4)卡固有槽绝缘体(2),并且电动机绕组(1)和测速发电机绕组(3)嵌放在槽绝缘体(2)内。 Integration according to claim 3 of the brushless DC tachometer generator 2, characterized in that: the stator core slots (5) in the brushless DC motor by wedge (4) intrinsic card slot insulator (2), and motor winding (1) and a tachometer generator winding (3) embedded in the inner (2) the channel insulator.
4 根据权利要求2所述的一体化无刷直流测速发电机,其特征在于: 电动机绕组(1)为三相Y型绕组,测速发电机绕组(3)为六相绕组。 4 integrated according to claim 2 brushless DC tachometer generator, wherein: the motor winding (1) is a three-phase Y-type winding tachometer generator winding (3) is a six-phase winding.
5 根据权利要求2所述的一体化无刷直流测速发电机,其特征在于: 位置传感器(9)分别输出电信号到电子换向逻辑运算电路(11)和电子模拟开关电路(12 ),电子换向逻辑运算电路(11)输出电信号到三相桥式功率放大电路(13),三相桥式功率放大电路(13)输出电信号到电动机绕组(1);测速发电机绕组(3)的电信号也输入到电子模拟开关电路(12),电子模拟开关电路(12)输出电信号到放大滤波电路(14)的输入端,放大滤波电路(14)的输出端输出直流电信号。 According to claim 5 integrated brushless DC tachometer generator of claim 2, wherein: the position sensor (9) outputs the electric signals to the electronic commutation logic operation circuit (11) and the electronic analog switch circuit (12), an electronic transducer outputs an electrical signal to the logic operation circuit (11) to a three-phase bridge power amplifier (13), three-phase bridge power amplifier circuit (13) outputs an electrical signal to the motor winding (1); tachometer generator winding (3) the electrical signal is also input to the electronic analog switch circuit (12), the electronic analog switch circuit outputs an electrical signal (12) to the amplification and filter circuit (14) is input, amplifying and filtering circuit (14) of the direct current signal output terminal.
CN 200610200986 2006-10-12 2006-10-12 Method for making brushless DC velocity measuring dynamo CN100449914C (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3532510A1 (en) 1985-09-12 1987-03-19 Thalheim Tachometerbau Kg Three-phase tachogenerator
EP0548611A1 (en) 1991-12-20 1993-06-30 Licentia Patent-Verwaltungs-GmbH Electric motor with tachogenerator
CN2142202Y (en) 1992-07-28 1993-09-15 机械电子工业部西安微电机研究所 Magnetoelectric pulse speed indicating generator
CN2268337Y (en) 1996-02-17 1997-11-19 吴文达 high-power ac. arc-welding generator
CN2330104Y (en) 1998-04-28 1999-07-21 赵连义 Multifunctional three-phase asynchronous motor
CN2381061Y (en) 1998-12-09 2000-05-31 宁波东方通用电气公司西安分公司 Speed-position measuring integrated sensor for rare earth permanent-magnet brush-less dc. motor
CN1328377A (en) 2000-06-12 2001-12-26 万德明 Two-in-one dynamo-electric machine
CN200969555Y (en) 2006-10-12 2007-10-31 中国江南航天工业集团林泉电机厂 Integrated brushless DC measurement generator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3532510A1 (en) 1985-09-12 1987-03-19 Thalheim Tachometerbau Kg Three-phase tachogenerator
EP0548611A1 (en) 1991-12-20 1993-06-30 Licentia Patent-Verwaltungs-GmbH Electric motor with tachogenerator
CN2142202Y (en) 1992-07-28 1993-09-15 机械电子工业部西安微电机研究所 Magnetoelectric pulse speed indicating generator
CN2268337Y (en) 1996-02-17 1997-11-19 吴文达 high-power ac. arc-welding generator
CN2330104Y (en) 1998-04-28 1999-07-21 赵连义 Multifunctional three-phase asynchronous motor
CN2381061Y (en) 1998-12-09 2000-05-31 宁波东方通用电气公司西安分公司 Speed-position measuring integrated sensor for rare earth permanent-magnet brush-less dc. motor
CN1328377A (en) 2000-06-12 2001-12-26 万德明 Two-in-one dynamo-electric machine
CN200969555Y (en) 2006-10-12 2007-10-31 中国江南航天工业集团林泉电机厂 Integrated brushless DC measurement generator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
一种新型直流测速机-电子换向无刷直流测速发电机. 谭建成等.电气应用,第09期. 1984
新型机电一体化方波无刷直流测速发电机. 王民生.微电机,第29卷第01期. 1996

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