CN109029242B - Method and device for calibrating installation precision of induction synchronizer - Google Patents
Method and device for calibrating installation precision of induction synchronizer Download PDFInfo
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- CN109029242B CN109029242B CN201811148251.9A CN201811148251A CN109029242B CN 109029242 B CN109029242 B CN 109029242B CN 201811148251 A CN201811148251 A CN 201811148251A CN 109029242 B CN109029242 B CN 109029242B
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
- G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B7/312—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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Abstract
The method and the device for calibrating the installation accuracy of the induction synchronizer solve the problem of installation, installation and adjustment of the induction synchronizer, can quickly, visually and efficiently adjust the concentricity of the rotor and the stator of the induction synchronizer, ensure the output accuracy of the induction synchronizer and the performance of photoelectric reconnaissance equipment, and realize the remote accurate positioning of the photoelectric reconnaissance equipment on a ground target.
Description
Technical Field
The invention relates to the field of induction synchronizers, in particular to a method and a device for calibrating installation accuracy of an induction synchronizer.
Background
The longitude, the latitude and the geodetic altitude of the target in a geodetic coordinate system are calculated by the azimuth angle and the pitch angle of the photoelectric reconnaissance equipment pointing to the target and the distance from the target to the photoelectric equipment given by the laser range finder according to the attitude and the position information of the carrier. The angle encoder used by the photoelectric reconnaissance equipment of a certain model is an induction synchronizer, and the pointing accuracy of the output angle of the induction synchronizer directly influences the positioning accuracy of a target. The angle measurement accuracy of the induction synchronizer is high, the induction synchronizer is composed of two discs (a stator and a rotor), the angle output pointing accuracy of the induction synchronizer is directly influenced by the height of the installation concentricity of the two discs, and therefore the height of the installation concentricity of the induction synchronizer needs to be accurately measured and corrected until the design requirement is met.
Disclosure of Invention
The embodiment of the invention provides a method and a device for calibrating the installation precision of an induction synchronizer, and provides an objective and convenient method for detecting the concentricity of two disks of the induction synchronizer so as to facilitate installation and adjustment.
In a first aspect, the present invention provides a method for calibrating installation accuracy of an induction synchronizer, including:
installing a stator of an induction synchronizer on a mechanical spigot of a rotating shaft, installing a rotor of the induction synchronizer on the rotating shaft, and adjusting a gap between the rotor and the stator to a preset gap;
inputting exciting current to a stator of the induction synchronizer, inducing an electromagnetic signal generated by the stator by a rotor of the induction synchronizer, and obtaining peak value data at different angles by utilizing an output sinusoidal signal;
and rotating the rotor of the induction synchronizer at a constant speed, judging the concentricity of the rotor and the stator by detecting the change of the maximum value and the minimum value of the peak value of the sinusoidal signal at different positions, and adjusting the concentricity of the rotor and the stator in real time until the rotor and the stator are adjusted to be in a qualified area.
As an optional scheme, before inputting an excitation current to a stator of the induction synchronizer and an electromagnetic signal generated by a rotor induction stator of the induction synchronizer, and obtaining peak magnitude data at different angles by using an output sinusoidal signal, the method further includes:
and connecting the stator and the rotor of the induction synchronizer with a cable of a data acquisition module.
As an optional scheme, the inputting an excitation current to the stator of the induction synchronizer, and the rotor of the induction synchronizer inducts an electromagnetic signal generated by the stator, and obtaining peak size data at different angles by using an output sinusoidal signal includes:
the data acquisition module is powered on, the computer is started, the excitation current output by the data acquisition module drives the induction synchronizer stator, the rotor-induced sinusoidal alternating current signal is received and amplified, the angle theta is calculated, the peak value A of the amplified sinusoidal signal at different theta angles is acquired, and all data are transmitted to the computer.
As an optional scheme, the rotating the rotor of the induction synchronizer at a constant speed, determining the concentricity of the rotor and the stator by detecting the variation of the maximum value and the minimum value of the peak value of the sinusoidal signal at different positions, and adjusting the concentricity of the rotor and the stator in real time until a qualified area is adjusted includes:
and rotating the rotor for 2 weeks at a constant speed, collecting and processing data by the computer, calculating the concentricity of the installed induction synchronizer, and adjusting the concentricity of the rotor and the stator until the concentricity meets the requirement when the concentricity is not in a qualified area.
As an alternative, the concentricity requirement is less than 0.01 mm.
In a second aspect, the invention provides an induction synchronizer installation accuracy calibration device, which comprises a data acquisition module and a computer, wherein the data acquisition module comprises an output end for outputting excitation current and an input end for acquiring induction signals, the output end is electrically connected with a stator of an induction synchronizer, the input end is electrically connected with a rotor of the induction synchronizer, when calibration is performed, the computer controls the output end to output excitation current to the stator to drive the stator, the rotor generates a sinusoidal alternating current signal under the action of electromagnetic induction, the input end transmits the sinusoidal alternating current signal to the data acquisition module, the data acquisition module amplifies the sinusoidal alternating current signal, acquires data of peak values at different theta angles, transmits the data to the computer, and judges the concentricity of the rotor and the stator by detecting the change of the maximum value and the minimum value of the peak values of sinusoidal signals at different positions, and adjusting the concentricity of the rotor and the stator in real time until the qualified area is adjusted.
As an alternative, the stator of the induction synchronizer is mounted on a mechanical spigot of a rotating shaft, the rotor of the induction synchronizer is sleeved on the rotating shaft, and a preset gap is formed between the rotor and the stator.
According to the technical scheme, the embodiment of the invention has the following advantages:
the method and the device for calibrating the installation accuracy of the induction synchronizer solve the problem of installation, installation and adjustment of the induction synchronizer, can quickly, visually and efficiently adjust the concentricity of the rotor and the stator of the induction synchronizer, ensure the output accuracy of the induction synchronizer and the performance of photoelectric reconnaissance equipment, and realize the remote accurate positioning of the photoelectric reconnaissance equipment on a ground target.
Drawings
FIG. 1 is a flow chart of a method for calibrating installation accuracy of an induction synchronizer provided in an embodiment of the present invention;
fig. 2 is a structural diagram of an induction synchronizer mounting accuracy calibration apparatus provided in an embodiment of the present invention;
fig. 3 is a schematic diagram of an induction synchronizer mounting accuracy calibration device provided in the embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, the present invention provides a method for calibrating installation accuracy of an induction synchronizer, including:
s101, mounting a stator of an induction synchronizer on a mechanical spigot of a rotating shaft, mounting a rotor of the induction synchronizer on the rotating shaft, and adjusting a gap between the rotor and the stator to a preset gap, wherein the change of the electromagnetic coupling degree is influenced by the common change of the preset gap, so that the preset gap needs to be set within the range of 0.25 +/-0.05 mm;
s102, inputting exciting current to a stator of the induction synchronizer, inducing an electromagnetic signal generated by the stator by a rotor of the induction synchronizer, and obtaining peak value data at different angles by utilizing an output sinusoidal signal;
s103, rotating the rotor of the induction synchronizer at a constant speed, judging the concentricity of the rotor and the stator by detecting the change of the maximum value and the minimum value of the peak value of the sinusoidal signal at different positions, and adjusting the concentricity of the rotor and the stator in real time until the rotor and the stator are adjusted to be in a qualified area.
Before the excitation current is input to the stator of the induction synchronizer and the electromagnetic signal generated by the rotor induction stator of the induction synchronizer is utilized to obtain data of peak values at different angles, the method further comprises the following steps:
and connecting the stator and the rotor of the induction synchronizer with a cable of a data acquisition module.
Inputting exciting current for a stator of the induction synchronizer, inducing an electromagnetic signal generated by the stator by a rotor of the induction synchronizer, and obtaining peak value data under different angles by utilizing an output sinusoidal signal, wherein the peak value data comprises the following steps:
the data acquisition module is powered on, the computer is started, the excitation current output by the data acquisition module drives the induction synchronizer stator, the rotor-induced sinusoidal alternating current signal is received and amplified, the angle theta is calculated, the peak value A of the amplified sinusoidal signal at different theta angles is acquired, and all data are transmitted to the computer.
The at uniform velocity is rotatory induction synchronization ware's rotor, through detecting the change of different position sinusoidal signal peak value maximum value and peak value minimum value and judging the concentricity height of rotor and stator, adjusts the concentricity of rotor and stator in real time, and up to adjusting qualified region, include:
and rotating the rotor for 2 weeks at a constant speed, collecting and processing data by the computer, calculating the concentricity of the installed induction synchronizer, and adjusting the concentricity of the rotor and the stator until the concentricity meets the requirement when the concentricity is not in a qualified area.
In this embodiment, the concentricity is required to be less than 0.01mm, which is not limited.
Referring to fig. 2, the present invention provides an inductive synchronizer installation accuracy calibration device, which includes a data acquisition module 4 and a computer 5, wherein the inductive synchronizer structure may include a rotor 2, a stator 1, and a rotating shaft 3, the stator 1 of the inductive synchronizer is installed at a mechanical spigot of the rotating shaft 3, the rotor 2 of the inductive synchronizer is sleeved on the rotating shaft 3, a preset gap is formed between the rotor 2 and the stator 1, the data acquisition module 4 includes an output end for outputting an excitation current and an input end for acquiring an induction signal, the output end is electrically connected with the stator 1 of the inductive synchronizer, the input end is electrically connected with the rotor 2 of the inductive synchronizer, when calibration is performed, the computer 5 controls the output end to output the excitation current to the stator to drive the stator, and the rotor generates a sinusoidal alternating current signal under the action of electromagnetic induction, the input end transmits the sinusoidal alternating current signal to the data acquisition module, the data acquisition module amplifies the sinusoidal alternating current signal, acquires data of peak values at different theta angles and transmits the data to a computer, the concentricity of the rotor and the stator is judged by detecting the change of the maximum value and the minimum value of the peak values of the sinusoidal signal at different positions, and the concentricity of the rotor and the stator is adjusted in real time until the qualified area is adjusted.
Specifically, referring to fig. 3, the concentricity calibration steps of the induction synchronizer are as follows:
s301, mounting a stator 1 of the induction synchronizer on a mechanical spigot on a rotating shaft 3, wherein the mounting precision of the stator 1 is ensured by the mechanical spigot;
s302, a rotor 2 of the induction synchronizer is preliminarily installed on a rotating shaft 3, and a gap between the rotor 2 and a stator 1 is adjusted to meet requirements;
s303, connecting cables between the stator 1 and the rotor 2 of the induction synchronizer and the data acquisition module 4, and connecting cables between the acquisition module 4 and the data processing computer;
s304, the data acquisition module 4 is powered on, the computer 5 is started, the excitation current output by the data acquisition module 4 drives the stator 1 of the induction synchronizer, the sine weak signal induced by the rotor 2 is received and amplified, the angle theta is calculated, the peak value A and all data of the amplified sine signal at different theta angles are acquired and transmitted to the computer for processing;
s305, rotating the rotor for 1 week at a constant speed, collecting and processing data by the computer, calculating the concentricity after the induction synchronizer is installed, adjusting the concentricity between the rotor and the stator when the concentricity is not in a qualified area, repeating the step 5 by adopting a rotor adjusting mode generally because the stator and a rotating shaft are installed until the concentricity meets the requirement, and performing constant-speed rotation in a manual or mechanical transmission mode without limitation.
The induction synchronizer stator is excited by exciting current, the rotor induces electromagnetic signals and outputs sine alternating current signals, the phase of each alternating current signal represents angle information, if the relative motion of the rotor and the stator is concentric, the peak value of each sine signal is kept unchanged at any position of 360 degrees, and when the concentricity is worse and worse, the peak value difference of the sine signals at different positions is larger and larger. The concentricity of the rotor and the stator is judged by detecting the change of the peak value maximum value Amax and the peak value minimum value Amin of the sinusoidal signals at different positions, the concentricity of the rotor and the stator is adjusted in real time until the rotor and the stator are adjusted to a qualified area to meet the design requirement, and a concentricity phi introduction coefficient k is given by a formula phi k (Amax-Amin).
The method and the device for calibrating the installation accuracy of the induction synchronizer solve the problem of installation, installation and adjustment of the induction synchronizer, can quickly, visually and efficiently adjust the concentricity of the rotor and the stator of the induction synchronizer, ensure the output accuracy of the induction synchronizer and the performance of photoelectric reconnaissance equipment, and realize the remote accurate positioning of the photoelectric reconnaissance equipment on a ground target.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic or optical disk, or the like.
The method and the device for calibrating the installation accuracy of the induction synchronizer provided by the present invention are described in detail above, and a person skilled in the art may change the embodiments and the application ranges according to the ideas of the embodiments of the present invention.
Claims (6)
1. A method for calibrating installation accuracy of an induction synchronizer is characterized by comprising the following steps:
installing a stator of an induction synchronizer on a mechanical spigot of a rotating shaft, installing a rotor of the induction synchronizer on the rotating shaft, and adjusting a gap between the rotor and the stator to a preset gap;
inputting exciting current to a stator of the induction synchronizer, inducing an electromagnetic signal generated by the stator by a rotor of the induction synchronizer, and obtaining peak value data at different angles by utilizing an output sinusoidal signal;
the at uniform velocity is rotatory induction synchronization ware's rotor, through detecting the change of different position sinusoidal signal peak value maximum value and peak value minimum value and judging the concentricity height of rotor and stator, adjusts the concentricity of rotor and stator in real time, and up to adjusting qualified region, include: and rotating the rotor for 2 weeks at a constant speed, collecting and processing data by a computer, calculating the concentricity of the installed induction synchronizer, and adjusting the concentricity of the rotor and the stator until the concentricity meets the requirement when the concentricity is not in a qualified area.
2. The method for calibrating the installation accuracy of the induction synchronizer according to claim 1, wherein an excitation current is input to a stator of the induction synchronizer, an electromagnetic signal generated by a rotor induction stator of the induction synchronizer is used, and before the output sinusoidal signal is used for obtaining peak size data at different angles, the method further comprises:
and connecting the stator and the rotor of the induction synchronizer with a cable of a data acquisition module.
3. The method for calibrating the installation accuracy of the induction synchronizer according to claim 2, wherein an excitation current is input to a stator of the induction synchronizer, an electromagnetic signal generated by a rotor induction stator of the induction synchronizer is used for obtaining peak value size data under different angles by using an output sinusoidal signal, and the method comprises the following steps:
the data acquisition module is powered on, the computer is started, the excitation current output by the data acquisition module drives the induction synchronizer stator, the rotor-induced sinusoidal alternating current signal is received and amplified, the angle theta is calculated, the peak value A of the amplified sinusoidal signal at different theta angles is acquired, and all data are transmitted to the computer.
4. The method of claim 1, wherein the concentricity requirement is less than 0.01 mm.
5. The device for calibrating the installation accuracy of the induction synchronizer is characterized by comprising a data acquisition module and a computer, wherein the data acquisition module comprises an output end for outputting excitation current and an input end for acquiring induction signals, the output end is electrically connected with a stator of the induction synchronizer, the input end is electrically connected with a rotor of the induction synchronizer, when calibration is carried out, the computer controls the output end to output the excitation current to the stator to drive the stator, the rotor generates a sine alternating current signal under the action of electromagnetic induction, the input end transmits the sine alternating current signal to the data acquisition module, the data acquisition module amplifies the sine alternating current signal, acquires data of peak values at different theta angles, transmits the data to the computer, and judges the concentricity of the rotor and the stator by detecting the change of the peak value maximum value and the peak value minimum value of the sine signal at different positions, and adjusting the concentricity of the rotor and the stator in real time until the qualified area is adjusted.
6. The device for calibrating the installation accuracy of the induction synchronizer according to claim 5, wherein a stator of the induction synchronizer is installed at a mechanical spigot of a rotating shaft, a rotor of the induction synchronizer is sleeved on the rotating shaft, and a preset gap is formed between the rotor and the stator.
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| FR2519137A1 (en) * | 1981-12-24 | 1983-07-01 | Europ Agence Spatiale | TWO-AXIS POSITION DETECTOR FOR MAGNETIC SUSPENSION DEVICE |
| JPS59162402A (en) * | 1983-03-07 | 1984-09-13 | Hitachi Ltd | Method for measuring amount of eccentricity of rotary member of vtr cylinder |
| FR2630541B1 (en) * | 1988-04-22 | 1993-01-22 | Mecanique Magnetique Sa | INDUCTIVE SENSOR FOR RADIAL MAGNETIC BEARING |
| JPH04248348A (en) * | 1991-01-10 | 1992-09-03 | Nikkiso Co Ltd | Bearing abrasion detector for ac electric rotating machine |
| JPH09196607A (en) * | 1996-01-23 | 1997-07-31 | Chubu Electric Power Co Inc | Device for detecting central position of current distribution in conductor |
| CN1233746A (en) * | 1998-04-28 | 1999-11-03 | 丛玉良 | Method and device for test alignment of magnetic rotator of magnetic pump using external magnetism |
| SE531497C2 (en) * | 2007-07-18 | 2009-04-28 | Ap Fixturlaser Ab | Method and apparatus for measuring alignment alignment of shafts |
| CN102033210A (en) * | 2009-09-30 | 2011-04-27 | 田京涛 | Air-gap field detecting device of alternating-current generator and application thereof in state monitoring and control method of alternating-current generator |
| US8996142B2 (en) * | 2010-12-22 | 2015-03-31 | Aktiebolaget Skf | Alignment software process management |
| CN104048595A (en) * | 2014-06-27 | 2014-09-17 | 西安交通大学 | Angle misalignment fault quantitative detection system and method for rotating machine |
| CN104457557A (en) * | 2014-12-05 | 2015-03-25 | 成都飞机工业（集团）有限责任公司 | Method for detecting concentricity of clad layers of cylinder part |
| CN106524885A (en) * | 2016-10-31 | 2017-03-22 | 联合汽车电子有限公司 | Motor rotor position detection device |
| CN106643472A (en) * | 2017-02-08 | 2017-05-10 | 中国航发沈阳发动机研究所 | Measurement method of installing concentricity of engine case and rotor |
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