CN1054340A - Differential variable-frequency electric generating set - Google Patents

Differential variable-frequency electric generating set Download PDF

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Publication number
CN1054340A
CN1054340A CN 90101004 CN90101004A CN1054340A CN 1054340 A CN1054340 A CN 1054340A CN 90101004 CN90101004 CN 90101004 CN 90101004 A CN90101004 A CN 90101004A CN 1054340 A CN1054340 A CN 1054340A
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CN
China
Prior art keywords
power
generator
stator
mechanism
rotor
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Application number
CN 90101004
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Chinese (zh)
Inventor
李培基
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李培基
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Application filed by 李培基 filed Critical 李培基
Priority to CN 90101004 priority Critical patent/CN1054340A/en
Publication of CN1054340A publication Critical patent/CN1054340A/en

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Abstract

This invention relates to a constant-power variable-frequency electric generator set that is composed of power machine (three-phase asynchronous motor or internal combustion engine), low-power stepless speed variator, electromagnetic or mechanical planetary differential self-lock controller and differential variable frequency generator whose stator is controlled by differential self-lock controller to rotate in same direction as rotor. The relative speed between rotor and stator may be stepless-variable via stepless speed variator. Therefore, the current from the electric generator set is stepless-variable in frequency, which will directly be used for variable-frequency and-speed motor.

Description

本发明涉及一种变频发电机组。 The present invention relates to a frequency generator. 属于发电设备技术领域。 Belonging to the technical field of power generation equipment.

变频无级变速技术是国际上八十年代新兴的先进技术。 Frequency CVT technology is emerging on the international advanced technology eighties. 已为先进工业国家广泛采用。 It has been widely used for the advanced industrial countries. 我国已有引进並开始推广。 China has introduced and start promoting. 但是国际流行的变频电源是采用固定频率的三相交流电源通过电子元器件变频的。 However, international popular power inverter is a fixed frequency AC power source through the three-phase inverter of the electronic component. 因此元器件的质量直接影响着变频电源频率的稳定性。 Thus the quality of components directly affects the stability of frequency inverter power supply. 而且也影响电网电源频率的稳定性。 But also on the stability of the grid power frequency. 目前进口元器件价格昂贵。 At present imported components are expensive. 国产元器件质量不高。 China-made components quality is not high. 使用寿命很短,而且维修保养技术要求高。 Life is very short, high maintenance and technical requirements. 投资大,因此变频变速技术在我国全面推广还有很大的困难。 Investment, and therefore frequency transmission technology in our general promotion there is a great difficulty.

本发明的目的是提供一种差动式变频发电机组。 Object of the present invention is to provide a differential frequency generator. 可由这种发电机组发出可作无级变频的变频电源,直接供电机使用。 Such generators may be issued for stepless power inverter, the direct supply machine. 其频率和变频幅度可任意无级调节。 Amplitude and frequency conversion can be arbitrarily adjusted steplessly.

本发明的技术方案是采用机电一体化方式:分流传动技术,由动力机(包括三相异步电机)无级变速机构差动自锁控制机构和差动发电机四部分组成。 Aspect of the present invention is the use of mechatronics mode: split transmission technologies, from a prime mover (including three-phase induction motor) consisting of four parts continuously variable transmission mechanism and a differential mechanism controlling differential locking generators.

本发明的具体结构和传动联结关系如下:由动力机的输出轴端分流:用联轴器①(离合器)中心轴②使发电机的转子③与动力机的输出轴联结。 Specific structure and drive coupling relationship between the present invention are as follows: split the output shaft of the power machine: ① with the coupling (clutch) so that the central axis of the output shaft of the rotor ② ③ generator coupled with a power machine. 並作同步旋转;在动力机输出轴上另安装有无级变速器的输入件④(主动件)另用一套轴⑤套在上述中心轴外。 And for synchronous rotation; ④ the input member is attached to the other prime mover output shaft of a continuously variable transmission (active element) of another sleeve with the outer sleeve shaft ⑤ the central axis. 其一端安装有无级变速器的被动件⑥另一端安装差动自锁控制机构的输入件转臂⑦差动自锁控制机构的输出件行星齿轮⑧和差动发电机的定子⑨联结。 ⑥ The other end of the passive element is mounted at one end of a continuously variable transmission input member is mounted self-locking differential control means stator ⑨ output coupling member and the planetary gear differential generator ⑦ ⑧ self-locking differential control means of the boom. 全部机构均在同一轴线运转。 All institutions are operating in the same axis. (附图一),差动自锁控制机构是经过改装的少齿差行星机构。 (Figures a), the differential control means is self-locking differential of the planetary gear mechanism through less modified. 改装的方法是在少齿差机构的输入转臂轴承内安装有一特殊曲线的衬套。 A method of retrofitting a special liner is mounted in the curve of the small tooth number difference input tumbler bearing means. 其作用是使由发电机空子传来的力矩。 Its role is to make the torque transmitted by the generator loopholes. 所产生的作用力改变作用点的方向。 Resulting force changes the direction of the point of action. 使大部力作用在转臂轴的旋转中心。 Most force so that the rotational center axis of the boom. 从而达到其自锁作用(即其有自锁蜗轮付的单向转动作用)。 So as to achieve its self-locking effect (i.e., it has a unidirectional rotating action of the self-locking worm gear). (附图二)下面说明本发明的工作原理。 Working principle of the invention (Figure II) will be described below.

差动式发电机的转子与动力机同步。 Differential sync generator rotor and the power machine. 而发电机的定子是可以旋转的。 The stator of the generator is rotatable. 其转速受小功率无级变速器输出转速通过差动自锁控制机构的控制。 Its speed by a low-power CVT output speed differential controlled by the self-locking control mechanism. 可作无级变速。 It can be used for a continuously variable transmission. 发电机转子和定子的相对转速即受无级变速器的控制而可以作无级变速。 The relative speed of the generator rotor and stator that is controlled by a continuously variable transmission and continuously variable transmission can be made. 通过这种改变转子和定子的相对速度实现发电机的变频。 Frequency conversion by the generator rotor and the change of the relative speed of the stator.

变频发电机的定子受到转子作用有一个与其旋转方向相同的扭矩,它作用于差动自锁机构的输出件上,而差动自锁机构的齿圈固定于机座上,由于机构的自锁作用,使定子不能转动。 A stator frequency of the generator rotor by the action of a same torque to its rotational direction, which acts on the output member of the differential mechanism is self-locking, self-locking mechanism and the differential ring gear fixed to the machine bed, since the self-locking mechanism effect, the stator can not rotate. 使转子和定子的相对速度达到最高值(即动力机的转速)发电机的频率也最高。 The relative speed of the rotor and the stator of the highest value (i.e., the rotational speed of the power machine) have the highest frequency of the generator. 当需要变频时,只需开后无级变速器,无级变速器从动力机转输一个小扭矩。 When the required frequency, just after opening the continuously variable transmission, the continuously variable transmission from the prime mover transfused a small torque. 其大小等于能克服差动自锁控制机构的摩擦阻力。 Size equal overcomes the frictional resistance from the differential lock control mechanism. (齿轮齿合和轴承的磨擦阻力)。 (Frictional resistance and the bearing of the gear tooth). 差动机构即可解锁。 Differential mechanism to unlock. 发电机的定子即可按需要转速变速。 The stator of the generator as required to shift the rotational speed. 其与转子的相对速度不断减少。 The relative velocity of the rotor declining. 发电机频率也同样减少。 Generator frequency is also reduced. 其机械损失仅为机构的磨擦损失。 Its only loss of mechanical friction losses agencies.

恒功率差动式变频发电机组具有结构紧凑合理,运转平稳可靠,变频范围大,机械效率高。 Constant power differential frequency generator having compact structure, stable and reliable operation, a large frequency range, high mechanical efficiency. 无复的电子元器件的线路。 No-line electronic components. 操作和维修方便,宜多机联动更便于操作自动化,适宜于中、小型发电机组。 Easy operation and maintenance, a multi-machine interaction should be easier to automate the operation, in a suitable, small generators.

本发明专利申请是专利号码为:87202399 0 87205626 0 88106928 0号专利申请的系列申请。 The present invention patent application is a continuation of Patent Number: Application Serial No. 088,106,928 872,023,990 87,205,626 Patent Application 0.

Claims (2)

1.一种恒功率差动式变频发电机组。 A constant power differential frequency generator. 其特征在于发电机的定转子均可旋转;其转子通过中心功率轴並由联轴器(或离合器)与动力机的输出轴联结。 Characterized in that the rotor of the generator can be set rotating; its rotor by coupling (or clutch) is coupled to the output shaft through the center of the power shaft of the power machine. 与动力机同步旋转。 Synchronous rotation with the power machine. 定子与具有自锁功能的少齿差机构的输出件联结并受其控制。 The output member and the stator teeth difference less self-locking mechanism and controlled by a coupling. 少齿差机构的输入件,偏心转臂与无级变速机构的输出件联结。 Small tooth difference means the input member, and an eccentric pivot arm coupled to the output member of the continuously variable transmission mechanism. 而无级变速机构的输入件与动力机的输出轴联结并同步旋转。 The input member and the output shaft of the continuously variable transmission mechanism coupled to the power machine and rotated synchronously. 无级变速器的输出的可变转速通过少齿差自锁控制机构控制着发电机组的定子转速。 Variable output speed of the continuously variable transmission with a small self-locking differential gear control means controls the rotational speed of the stator of the generator. 使定子的转速可作无级变速。 The rotational speed of the stator can be used for a continuously variable transmission. 定子与转子同向旋转。 Co-rotating stator and the rotor. 其相对转速即为发电机组的变频机制。 Which is the relative rotational speed of the generator inverter mechanism.
2.按权力要求1的恒功率差动式变频发电机组。 2. A constant power differential frequency power generator set 1. 其特征在于具有自锁功能的少齿差控制机构的偏心转臂轴承内安装有一特殊曲线的套和偏心轴。 Wherein the inner eccentric small tooth number difference of the control mechanism of self-locking tumbler bearing sleeve is attached to the eccentric shaft and a particular curve. 这种特殊曲线的套和偏心轴供少齿差机构只能由偏心转臂带动行星轮。 This particular curve is less for the sleeve and the eccentric shaft differential gear mechanism driven only by an eccentric planetary gear boom. 而行星轮不能带动偏心转臂的单向传动机构。 And the planet gear can not drive the one-way transmission mechanism is an eccentric pivot arm.
CN 90101004 1990-02-24 1990-02-24 Differential variable-frequency electric generating set CN1054340A (en)

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CN1976180B (en) 2006-12-14 2010-05-26 天津市新源电气科技有限公司 Variable speed variable frequency pneumatic electric machine and excitation control system
CN102506135B (en) * 2005-10-28 2015-10-28 福博科知识产权有限责任公司 Electric drive
US9611921B2 (en) 2012-01-23 2017-04-04 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US9618100B2 (en) 2008-05-07 2017-04-11 Fallbrook Intellectual Property Company Llc Assemblies and methods for clamping force generation
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US9676391B2 (en) 2007-02-01 2017-06-13 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
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