WO2013023333A1 - 双永磁工频无刷同步发电机电压信号旋转传感器 - Google Patents

双永磁工频无刷同步发电机电压信号旋转传感器 Download PDF

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Publication number
WO2013023333A1
WO2013023333A1 PCT/CN2011/001942 CN2011001942W WO2013023333A1 WO 2013023333 A1 WO2013023333 A1 WO 2013023333A1 CN 2011001942 W CN2011001942 W CN 2011001942W WO 2013023333 A1 WO2013023333 A1 WO 2013023333A1
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WO
WIPO (PCT)
Prior art keywords
rotation sensor
voltage signal
signal rotation
generator
voltage
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PCT/CN2011/001942
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English (en)
French (fr)
Inventor
梁海颜
刘强
梅昆
张光荣
蒋仁杰
魏成山
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深圳市安托山特种机械有限公司
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Publication of WO2013023333A1 publication Critical patent/WO2013023333A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/16—Synchronous generators
    • H02K19/38—Structural association of synchronous generators with exciting machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/26—Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
    • H02K11/042—Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts

Definitions

  • the invention relates to a double permanent magnet power frequency brushless synchronous generator signal rotation sensor, belonging to the technical field of generator signal transmission. Background technique
  • the traditional electric excitation power frequency brushless synchronous generator has an automatic electric regulator (AVR), which can control the terminal voltage of the generator to maintain the stability during the operation of the generator. Since the AVR of the electric excitation power frequency brushless synchronous generator is on the stator side (stationary side), there is no problem that the voltage measurement signal is sent to the AVR; the existing uncontrolled permanent magnetic power frequency brushless synchronous generator, because there is no AVR, the voltage is not adjustable and uncontrollable, so there is no problem with the transmission of voltage signals.
  • the dual permanent magnet power frequency brushless synchronous generator is a brand new permanent magnet power frequency brushless synchronous generator.
  • the AVR is on the rotating rotor. The AVR must receive the voltage signal on the stator side to get the voltage of the generator. Control to maintain the stability of the output voltage of the dual permanent magnet power frequency brushless synchronous generator. At present, the voltage signal rotation transmission device of such a function has not been seen.
  • the object of the present invention is to solve the problem that the voltage signal on the stationary stator side of the dual permanent magnet power brushless generator is transmitted to the AVR on the rotating rotor, and the rotation AVR controls the voltage of the generator terminal to maintain the output voltage of the generator. stable.
  • the invention includes: a signal rotation sensor stator core, a signal rotation sensor stator winding, a signal rotation sensor rotor core, and a signal rotation sensor rotor winding, wherein the signal rotation sensor stator core is fixed to a tail portion of the generator, and the signal is rotated
  • the stator winding of the sensor is fixed on the stator core of the signal rotation sensor, and the signal is rotated
  • the rotation sensor rotor core is disposed in a cavity of the signal rotation sensor stator core, the signal rotation sensor rotor winding is fixed on the signal rotation sensor rotor core, and the signal rotation sensor rotor core is fixed on the generator shaft.
  • the present invention adopts a structure such as a signal rotation sensor stator core, a signal rotation sensor stator winding, a signal rotation sensor rotor core, and a signal rotation sensor rotor winding, which can effectively stabilize the stator side.
  • the voltage signal is safely, reliably and accurately transmitted to the AVR on the rotating rotor to achieve AVR control of the generator voltage.
  • FIG. 1 is a positional view of a voltage signal transmission device of the present invention in a dual permanent magnet power frequency brushless synchronous generator;
  • FIG. 2 is an enlarged view of a portion A of FIG.
  • FIG. 3 is a schematic structural view of a stator signal winding 2 of a voltage signal rotation sensor and a stator winding 2 of a voltage signal rotation sensor;
  • FIG. 4 is a schematic cross-sectional view showing the stator core 1 of the voltage signal rotation sensor and the stator winding 2 of the voltage signal rotation sensor;
  • Figure 5 is a schematic view showing the structure of a voltage signal rotation sensor rotor core 3 and a voltage signal rotation sensor rotor winding 4;
  • FIG. 6 is a schematic cross-sectional view showing a rotor structure of a voltage signal rotation sensor rotor core 3 and a voltage signal rotation sensor rotor winding 4;
  • Figure 7 is a schematic view showing the structure of the signal rotation sensor stator punching piece 5;
  • Figure 8 is a schematic view showing the structure of the rotor of the signal rotation sensor rotor 6;
  • Figure 9 is a schematic diagram of the working principle of the voltage signal rotation sensor.
  • Reference numeral 11 in the figure is a generator stator, 12 is a generator rotor, and 13 is a signal rotation sensor.
  • a dual permanent magnet power frequency brushless synchronous generator voltage signal rotation sensor includes a voltage signal rotation sensor stator core 1 and a voltage signal rotation sensor stator winding 2 .
  • the voltage signal rotates the sensor rotor core 3 and the voltage signal rotation sensor rotor winding 4, the voltage signal rotation sensor stator core 1 is fixed at the tail of the generator 10, and the voltage signal rotation sensor stator winding 2 is fixed at the voltage signal rotation On the sensor stator core 1, the voltage signal rotation sensor rotor core 3 is disposed in the cavity 1-1 of the voltage signal rotation sensor stator core 1, and the voltage signal rotation sensor rotor winding 4 is fixed to the voltage signal rotation sensor On the rotor core 3, the voltage signal rotation sensor rotor core 3 is fixed to the shaft of the generator 10.
  • the voltage signal rotation sensor stator punch 5 of the present invention is uniformly distributed in twelve poles.
  • the voltage signal rotation sensor rotor punching blade 6 of the present invention is uniformly distributed in eighteen slots.
  • the working principle of the voltage signal rotation sensor of the invention is as follows:
  • the terminal voltage (or tap voltage) signal of the dual permanent magnet power frequency brushless synchronous generator is stepped down by the transformer B, rectified by the single-phase rectifier bridge, and is supplied to the voltage signal through the voltage setting potentiometer.
  • the primary winding of the sensor is excited, and the three-phase winding of the secondary side of the voltage signal rotation sensor senses the signal magnetic field and emits a three-phase voltage. After three-phase rectification, it is transmitted to the AVR as an equivalent signal; the AVR can perform automatic constant pressure automatic adjustment.
  • the dual permanent magnet power frequency brushless synchronous generator of the invention adopts the rotating AVR technology, and the voltage measurement signal needs to be transmitted from the stator to the AVR on the rotating rotor.
  • the voltage signal rotation sensor is designed to solve this problem. Voltage signal rotation transmission device.

Abstract

一种双永磁工频无刷同步发电机电压信号旋转传感器，包括电压信号旋转传感器定子铁芯（1）、电压信号旋转传感器定子绕组（2）、电压信号旋转传感器转子铁芯（3）和电压信号旋转传感器转子绕组（4）。电压信号旋转传感器定子铁芯（1）固定在发电机（10）内的尾部，电压信号旋转传感器定子绕组（2）固定在电压信号旋转传感器定子铁芯（1）上，电压信号旋转传感器转子铁芯（3）设置在电压信号旋转传感器定子铁芯（1）的空腔内，电压信号旋转传感器转子绕组（4）固定在电压信号旋转传感器转子铁芯（3）上。该电压信号旋转传感器能够实现将静止侧的电压信号传递到旋转的转子侧上，实现转子侧上的旋转AVR对发电机定子静止侧的电压控制，保持发电机输出电压恒定。

Description

双永磁工频无刷同步发电机电压信号旋转传感器 技术领域
本发明涉及一种双永磁工频无刷同步发电机信号旋转传感器， 属于发电机信号传递 技术领域。 背景技术
传统的电励磁工频无刷同步发电机均有自动电调节器 （AVR) ， 它能使发电机的端电 压得到控制， 维持发电机运行过程中的稳定。 由于电励磁工频无刷同步发电机的 AVR在定 子侧 （静止侧） ， 所以不存在电压测量信号送入 AVR中的问题； 现有的不控永磁工频无刷 同步发电机， 由于没有 AVR， 电压是不可调和不可控的， 所以也没有电压信号的传递问 题。 而双永磁工频无刷同步发电机是一种全新的永磁工频无刷同步发电机， AVR是在旋转 的转子上， AVR必须接收到定子侧的电压信号， 才能对发电机的电压进行控制， 维持双永 磁工频无刷同步发电机输出电压的稳定。 目前， 还未看到此种功能的电压信号旋转传递 装置。
发明内容
本发明的目的是为了解决双永磁工频无刷发电机中静止定子侧的电压信号如何传递 到旋转转子上的 AVR中， 实现旋转 AVR对发电机端电压的控制， 维持发电机输出电压的稳 定。
本发明的目的是通过以下技术方案实现的：
本发明包括： 信号旋转传感器定子铁芯、 信号旋转传感器定子绕组、 信号旋转传感 器转子铁芯和信号旋转传感器转子绕组， 所述信号旋转传感器定子铁芯固定在发电机内 的尾部， 所述信号旋转传感器定子绕组固定在信号旋转传感器定子铁芯上， 所述信号旋 转传感器转子铁芯设置在信号旋转传感器定子铁芯的空腔内， 所述信号旋转传感器转子 绕组固定在信号旋转传感器转子铁芯上， 信号旋转传感器转子铁芯固定在发电机的轴 上。
由上述提供的技术方案可以看出， 本发明采用了信号旋转传感器定子铁芯、 信号旋 转传感器定子绕组、 信号旋转传感器转子铁芯和信号旋转传感器转子绕组这样一种结构 形式， 能够有效静止定子侧的电压信号安全、 可靠、 准确地传递到旋转转子上的 AVR 中， 实现 AVR对发电机电压的控制。 附图说明
图 1是本发明电压信号传递装置在双永磁工频无刷同步发电机中的位置图； 图 2是图 1的 A处放大图；
图 3是电压信号旋转传感器定子铁芯 1和电压信号旋转传感器定子绕组 2的结构示意 图；
图 4是电压信号旋转传感器定子铁芯 1和电压信号旋转传感器定子绕组 2的断面结构 示意图；
图 5是电压信号旋转传感器转子铁芯 3和电压信号旋转传感器转子绕组 4的结构示意 图；
图 6是电压信号旋转传感器转子铁芯 3和电压信号旋转传感器转子绕组 4的断面结构 示意图；
图 7是信号旋转传感器定子冲片 5的结构示意图；
图 8是信号旋转传感器转子冲片 6的结构示意图；
图 9是电压信号旋转传感器工作原理示意图。
图中的附图标记 11是发电机定子， 12是发电机转子， 13是信号旋转传感器。 具体实施方式 下面将结合附图对本发明做进一步的详细说明： 本实施例在以本发明技术方案为前 提下进行实施， 给出了详细的实施方式， 但本发明的保护范围不限于下述实施例。
如图 1~图9所示， 本实施例所涉及的一种双永磁工频无刷同步发电机电压信号旋转传 感器， 包括电压信号旋转传感器定子铁芯 1、 电压信号旋转传感器定子绕组 2、 电压信号 旋转传感器转子铁芯 3和电压信号旋转传感器转子绕组 4， 所述电压信号旋转传感器定子 铁芯 1固定在发电机 10内的尾部， 所述电压信号旋转传感器定子绕组 2固定在电压信号旋 转传感器定子铁芯 1上， 所述电压信号旋转传感器转子铁芯 3设置在电压信号旋转传感器 定子铁芯 1的空腔 1-1内， 所述电压信号旋转传感器转子绕组 4固定在电压信号旋转传感器 转子铁芯 3上， 电压信号旋转传感器转子铁芯 3固定在发电机 10的轴上。
本发明的电压信号旋转传感器定子冲片 5为十二极均布。
本发明的电压信号旋转传感器转子冲片 6为十八槽均布。
本发明的电压信号旋转传感器工作原理如下：
如图 9所示， 双永磁工频无刷同步发电机的端电压 （或抽头电压） 信号经变压器 B降 压后， 经单相整流桥整流， 并经电压整定电位器输送给电压信号旋转传感器原边绕组励 磁， 电压信号旋转传感器副边三相绕组感应到此信号磁场， 发出三相电压。 经三相整流 后作为等效信号传送给 AVR; AVR即可进行自动恒压的自动调节工作。
本发明的双永磁工频无刷同步发电机采用了旋转 AVR技术， 电压测量信号需由定子 传递到旋转的转子上的 AVR中去， 电压信号旋转传感器就是为了解决此问题而设计的一 种电压信号旋转传递装置。
以上所述， 仅为本发明较佳的具体实施方式， 这些具体实施方式都是基于本发明整 体构思下的不同实现方式， 而且本发明的保护范围并不局限于此， 任何熟悉本技术领域 的技术人员在本发明揭露的技术范围内， 可轻易想到的变化或替换， 都应涵盖在本发明 的保护范围之内。 因此， 本发明的保护范围应该以权利要求书的保护范围为准。

Claims

1、 一种双永磁工频无刷同步发电机电压信号旋转传感器， 包括： 电压信号旋转传感 器定子铁芯、 电压信号旋转传感器定子绕组、 电压信号旋转传感器转子铁芯和电压信号 旋转传感器转子绕组， 其特征在于， 所述电压信号旋转传感器定子铁芯固定在发电机内 的尾部， 所述电压信号旋转传感器定子绕组固定在电压信号旋转传感器定子铁芯上， 所 述电压信号旋转传感器转子铁芯设置在电压信号旋转传感器定子铁芯的空腔内， 所述电 压信号旋转传感器转子绕组固定在电压信号旋转传感器转子铁芯上， 电压信号旋转传感 器转子铁芯固定在发电机的轴上。
PCT/CN2011/001942 2011-08-16 2011-11-22 双永磁工频无刷同步发电机电压信号旋转传感器 WO2013023333A1 (zh)

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CN201110235203.5 2011-08-16

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