CN110196029A - The generation method and system of shaft core position information - Google Patents
The generation method and system of shaft core position information Download PDFInfo
- Publication number
- CN110196029A CN110196029A CN201910399451.XA CN201910399451A CN110196029A CN 110196029 A CN110196029 A CN 110196029A CN 201910399451 A CN201910399451 A CN 201910399451A CN 110196029 A CN110196029 A CN 110196029A
- Authority
- CN
- China
- Prior art keywords
- rotor
- data
- orbit
- bearing
- coordinate data
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention discloses the generation methods and system of a kind of shaft core position information; it is related to technology for mechanical fault diagnosis field; main purpose is to solve the problem of existing all can not accurately determine that the positional relationship between rotor and axis can not carry out rotor and bearing monitoring promptly and accurately only by orbit of shaft center or only by shaft core position.It include: the location information for obtaining the relative motion within the bearing of sensor acquisition rotor, and static position parameter, the sensor is two displacement sensors for being configured at the same section mutually perpendicular direction of bearing, the location information that the vibration displacement for detecting the rotor generates；The orbit of shaft center coordinate data when rotor motion is calculated using the location information and static position parameter；The output image of rotor bearing relative motion shaft core position is generated according to the integration of the diameter data of the orbit of shaft center coordinate data, the bearing and the rotor.
Description
Technical field
The present invention relates to a kind of technology for mechanical fault diagnosis fields, more particularly to a kind of generation side of shaft core position information
Method and system.
Background technique
For in high-speed rotating mechanical equipment, the monitoring of rotor and bearing has become rotating machinery vibrating status monitoring
In key monitoring object.Currently, existing all can not accurately determine only by orbit of shaft center or only by shaft core position turns
Positional relationship between son and axis can not carry out monitoring promptly and accurately to rotor and bearing, reduce high-speed rotating machine vibration
The accuracy rate of fault diagnosis.
Summary of the invention
In view of this, the present invention provides the generation method and system of a kind of shaft core position information, main purpose is to solve
The existing positional relationship that all can not be accurately determined only by orbit of shaft center or only by shaft core position between rotor and axis, nothing
The problem of method carries out monitoring promptly and accurately to rotor and bearing.
According to the present invention on one side, a kind of generation method of shaft core position information is provided, comprising:
Obtain sensor acquisition the rotor location information of relative motion and static position parameter within the bearing, the biography
Sensor is two displacement sensors for being configured at the same section mutually perpendicular direction of bearing, for detecting the vibration position of the rotor
Move the location information generated；
The orbit of shaft center coordinate data when rotor motion is calculated using the location information and static position parameter；
Rotor bearing is generated according to the integration of the diameter data of the orbit of shaft center coordinate data, the bearing and the rotor
The output image of relative motion shaft core position.
Further, the static position parameter includes static clearance voltage data, sensor setting angle data, sensing
Device conversion coefficient, orbit of shaft center coordinate when calculating the rotor motion using the location information and static position parameter
Data include:
Using the static clearance voltage data and the positional information calculation Wave data, the location information includes institute
State the contact potential series value of the both direction of rotor vibration displacement generation；
Orbit of shaft center information is calculated according to the Wave data, the static clearance voltage data, sensor conversion coefficient
Contact potential series value；
The contact potential series value of the orbit of shaft center information is converted to preset according to the sensor setting angle data rotation
In coordinate system, orbit of shaft center coordinate data is obtained.
Further, described whole according to the orbit of shaft center coordinate data, the diameter data of the bearing and the rotor
Symphysis includes: at the output image of rotor bearing relative motion shaft core position
It marks bearing circular image corresponding with the diameter data of the rotor into the pre-set co-ordinate system, and draws
The shaft core position coordinate data making the orbit of shaft center coordinate data and being determined according to the orbit of shaft center coordinate data generates and turns
The output image of sub- bearing relative motion shaft core position.
Further, the method also includes:
Judge edge coordinate data of the rotor in relative movement and the edge coordinate data of the bearing are
No coincidence；
If being overlapped, send a warning message, the warning information carries the edge coordinate data of coincidence.
Further, the side of edge coordinate data and the bearing of the judgement rotor in relative movement
Before whether edge coordinate data is overlapped, the method also includes:
Determine the rotor in relative motion according to the diameter data of the rotor and the orbit of shaft center coordinate data
Edge coordinate data in the process.
According to the present invention on the other hand, a kind of generation system of shaft core position information is provided, comprising: processor, biography
Sensor,
The processor, for obtaining the location information of sensor acquisition rotor relative motion within the bearing, and it is static
Location parameter calculates the orbit of shaft center coordinate data when rotor motion using the location information and static position parameter；
Rotor bearing relative motion is generated according to the integration of the diameter data of the orbit of shaft center coordinate data, the bearing and the rotor
The output image of shaft core position；
The sensor is two displacement sensors for being configured at the same section mutually perpendicular direction of bearing, for detecting
State the location information that the vibration displacement of rotor generates.
Further, the static position parameter includes static clearance voltage data, sensor setting angle data, sensing
Device conversion coefficient,
The processor is specifically used for utilizing the static clearance voltage data and the positional information calculation waveform number
According to the location information includes the contact potential series value for the both direction that the rotor vibration displacement generates；According to the waveform number
According to, the static clearance voltage data, sensor conversion coefficient calculate orbit of shaft center information contact potential series value；According to the biography
Sensor setting angle data rotation converts the contact potential series value of the orbit of shaft center information into pre-set co-ordinate system, obtains axle center rail
Mark coordinate data.
Further, the processor, specifically for marking bearing circle corresponding with the diameter data of the rotor
Shape image draws the orbit of shaft center coordinate data and according to the orbit of shaft center coordinate data into the pre-set co-ordinate system
Determining shaft core position coordinate data generates the output image of rotor bearing relative motion shaft core position.
Further, the processor is also used to judge edge coordinate data of the rotor in relative movement
Whether it is overlapped with the edge coordinate data of the bearing；If being overlapped, send a warning message, the warning information carries coincidence
Edge coordinate data.
Further, the processor is also used to diameter data and the orbit of shaft center coordinate according to the rotor
Data determine edge coordinate data of the rotor in relative movement.
By above-mentioned technical proposal, technical solution provided in an embodiment of the present invention is at least had the advantage that
The present invention provides the generation methods and system of a kind of shaft core position information, with the prior art only by axle center rail
Mark all can not accurately determine positional relationship between rotor and axis only by shaft core position, can not carry out to rotor and bearing
Monitoring promptly and accurately is compared, and the embodiment of the present invention is turned by being mounted on bearings the orthogonal sensor acquisition in same section
The location information of sub- relative motion calculates the orbit of shaft center coordinate of rotor according to location information and static position parameter, by axle center
Trajectory coordinates, bearing and root diameter generate the output image of the shaft core position of rotor bearing relative motion, to monitor in real time
Relative positional relationship between rotor and bearing greatly strengthens the formation efficiency to shaft core position, improves the accuracy of monitoring,
To improve the accuracy rate of high-speed rotating machine vibrating failure diagnosis.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of generation method flow chart of shaft core position information provided in an embodiment of the present invention；
Fig. 2 shows a kind of sensors provided in an embodiment of the present invention to be located at bearing scheme of installation；
Fig. 3 shows a kind of orbit of shaft center output image schematic diagram provided in an embodiment of the present invention；
Fig. 4 shows the generation method flow chart of another shaft core position information provided in an embodiment of the present invention；
Fig. 5 shows a kind of angular transition schematic diagram provided in an embodiment of the present invention；
Fig. 6 shows a kind of orbit of shaft center provided in an embodiment of the present invention and draws signal map device composition block diagram；
Fig. 7 shows a kind of generation system structure diagram of shaft core position information provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
The embodiment of the invention provides a kind of generation methods of shaft core position information, as shown in Figure 1, this method comprises:
101, sensor acquisition the rotor location information of relative motion and static position parameter within the bearing are obtained.
Wherein, the sensor is two displacement sensors for being configured at the same section mutually perpendicular direction of bearing, is used for
The location information that the vibration displacement of the rotor generates is detected, i.e. displacement sensor can detecte out rotor relative to bearing movable
When displacement data, displacement data is then converted into voltage data and is exported, so that processor is calculated according to voltage data
The orbit of shaft center coordinate of rotor out.In addition, the static position parameter includes static clearance voltage data, sensor setting angle
Data, sensor conversion coefficient.The static clearance voltage data is voltage data of the rotor relative to bearing when static, described
Sensor setting angle data are established angle angle value when two displacement sensors are mounted on bearings with respect to bearing, such as Fig. 2 institute
Show, X, Y are respectively 2 sensors, and ɑ, β respectively correspond the angle with level, and the sensor conversion coefficient is displacement sensor
The transformational relation of measurement unit and parasang, the embodiment of the present invention are not specifically limited.
It should be noted that the location information of sensor acquisition is the data acquired in real time, therefore, current processor is obtained
Location information in sensor is real-time location information, the location information including different time points, and static position parameter is
Predetermined preset parameter when sensor is installed, is stored in advance in the storage location into current processor, to need
When directly acquire.
102, the orbit of shaft center number of coordinates when rotor motion is calculated using the location information and static position parameter
According to.
For the embodiment of the present invention, done rotation movement when due to rotor operation relative to bearing, and in actual industrial production,
Since the factors such as gravity influence, the corresponding axle center of the spinning motion of rotor can occur significantly inclined relative to the axle center of bearing
It moves, therefore, it is necessary to calculate orbit of shaft center coordinate data using location information and static position parameter.In the embodiment of the present invention,
Axle center is calculated by oscillating sequence x (n), the y (n) in location information and the static clearance voltage data in static position parameter
Then orbit of shaft center is drawn out according to real-time corresponding shaft core position in position.
103, rotor is generated according to the integration of the diameter data of the orbit of shaft center coordinate data, the bearing and the rotor
The output image of bearing relative motion shaft core position.
For the embodiment of the present invention, for the ease of the relative positional relationship between observation orbit of shaft center and bearing, rotor, root
The image of shaft core position is drawn, according to the diameter of orbit of shaft center coordinate data, bearing and rotor to be exported.As shown in figure 3,
It is exported in coordinate system and shows the orbit of shaft center edge coordinate after bearing edge coordinate, rotor relative movement, lower turn of stationary state
Sub- shaft core position coordinate etc..
The present invention provides a kind of generation methods of shaft core position information, with the prior art only by orbit of shaft center or only
The positional relationship between rotor and axis all can not accurately only be determined by shaft core position, rotor and bearing can not be carried out quasi- in time
True monitoring is compared, and the embodiment of the present invention is opposite by being mounted on bearings the orthogonal sensor acquisition rotor in same section
The location information of movement calculates the orbit of shaft center coordinate of rotor according to location information and static position parameter, orbit of shaft center is sat
Mark, bearing and root diameter generate the output image of the shaft core position of rotor bearing relative motion, so as to monitor in real time rotor with
Relative positional relationship between bearing greatly strengthens the formation efficiency to shaft core position, improves the accuracy of monitoring, to mention
The accuracy rate of high high-speed rotating machine vibrating failure diagnosis.
The embodiment of the invention provides the generation methods of another shaft core position information, as shown in figure 4, this method comprises:
201, sensor acquisition the rotor location information of relative motion and static position parameter within the bearing are obtained.
This step is identical as step 101 method shown in FIG. 1, and details are not described herein.
It should be noted that installing mutually perpendicular two displacement sensors near high-speed rotating mechanical slip bearing
X, Y, as shown in Fig. 2, sensor conversion coefficient is the transformational relation k of displacement sensor unit and parasang, sensor
Setting angle data are respectively α, β, then have alpha+beta=45 degree.When rotor rotates, due to the effect of oil-film force, axis floats in bearing
It rises, relative to shaft core position whirling motion, the data of X and Y is sampled with meeting the sample frequency of sampling thheorem, sampling number is
N, then the sample sequence that a certain moment obtains is respectively x (n), y (n), and the embodiment of the present invention is not specifically limited.
202, the static clearance voltage data and the positional information calculation Wave data are utilized.
For the embodiment of the present invention, convenient for accurately calculating orbit of shaft center coordinate, static clearance voltage data and position are utilized
Confidence breath calculates Wave data.Wherein, the location information includes the voltage for the both direction that the rotor vibration displacement generates
Sequential value, such as x (n), y (n), when static clearance voltage data is stationary rotor, rotor bearing bottom, gap voltage point
It Wei not xGap0、yGap0, Wave data x1(n)、y1(n) calculation method are as follows:
Wherein, due to the contact potential series value of acquisition be it is multiple, precompute the average value of contact potential series value, i.e.,For the average value of x (n), y (n), the embodiment of the present invention is not specifically limited.
203, orbit of shaft center is calculated according to the Wave data, the static clearance voltage data, sensor conversion coefficient
The contact potential series value of information.
The embodiment of the present invention, the contact potential series value x of orbit of shaft center information2(n)、y2(n) calculation method are as follows:Wherein, k is sensor
Conversion coefficient.
204, the contact potential series value of the orbit of shaft center information is converted extremely according to the sensor setting angle data rotation
In pre-set co-ordinate system, orbit of shaft center coordinate data is obtained.
For the embodiment of the present invention, by sequence x1(n)、y1(n) it in pre-set co-ordinate system, i.e., is corresponding in turn in rectangular coordinate system
Described point then obtains the Chart of axes track containing shaft core position information, it is contemplated that the installation site and rectangular co-ordinate of displacement sensor
There are angle [alpha]s for system, so coordinate system is carried out to rotate-α, then obtain and the consistent axis containing shaft core position information of actual conditions
Heart track, as shown in figure 5, transform method are as follows: x3(n)=x2(n)cosα-y2(n)sinα；y3(n)=y2(n)cosα+x2(n)
Sin α, x3(n)、y3It (n) is the sequence data after conversion angle.
It should be noted that due to need in pre-set co-ordinate system draw for axle center coordinate data, therefore, it is also desirable to
By x3(n)、y3(n) further coordinate conversion display is carried out, i.e., indicates bearing and axle journal with two circles, wherein great circle indicates axis
Diameter DPixel is held, roundlet indicates journal diameter dPixel, and rectangular coordinate system origin is on the great circle center of circle, between axle journal and bearing
Gap value is Gpix=(D-d) Pixel, actual gap value are Gμm, the two proportionate relationship s are as follows: s=Gpix/Gμm, oscillating sequence correspondence
Pixel are as follows: x4(n)=s x3(n)；y4(n)=s y3 (n).Initial position should carry out rectangular coordinate system in the bottom of great circle
Translation, it may be assumed that x5 (n)=x4 (n)；Y5 (n)=y4 (n)-Gpix/2.To sequence x5(n) and y5(n), it is closed in rectangular coordinate system
At the as Chart of axes track containing orbit of shaft center coordinate data.
205, mark bearing circular image corresponding with the diameter data of the rotor into the pre-set co-ordinate system,
And the shaft core position coordinate data drawing the orbit of shaft center coordinate data and being determined according to the orbit of shaft center coordinate data, it is raw
At the output image of rotor bearing relative motion shaft core position.
For the embodiment of the present invention, as shown in fig. 6, marking shaft to hold in pre-set co-ordinate system respectively, root diameter data
Corresponding circle, and the corresponding shaft core position of orbit of shaft center coordinate data is drawn out, to obtain output image as shown in Figure 3.
206, judge the edge coordinate number of the rotor edge coordinate data in relative movement and the bearing
According to whether being overlapped.
For the embodiment of the present invention, whether rub between rotor and bearing to monitor, then real-time judge is needed to turn
Whether the edge coordinate of son is overlapped with the edge coordinate data of bearing, if being overlapped, illustrates rotor and bearing in opposite fortune
It is touched when dynamic, friction can be generated.Wherein, it is only necessary to, which judge coordinate data, to be judged for the coincidence of edge coordinate data
In x-axis, y-axis coordinate value it is whether identical, such as judge any one group (x, y) in rotor edge coordinate data and bearing side
Whether any one group (x ', y ') in edge coordinate data be identical.
It may include: diameter data and the axis according to the rotor for the embodiment of the present invention, before step 206
Heart track coordinate data determines edge coordinate data of the rotor in relative movement.
It should be noted that whether being overlapped for the ease of accurate judgement edge coordinate data, the diameter according to rotor is needed
And orbit of shaft center coordinate data calculates rotor edge coordinate data in relative movement, according to specific calculation method
The axle center coordinate for the rotor that orbit of shaft center coordinate data is determined and the normal equation formula of circle: (x-a)2+(y-b)2=r2, meter
All edge coordinate data are calculated, the embodiment of the present invention is not specifically limited.
If 207, being overlapped, send a warning message.
For the embodiment of the present invention, in order to timely be alerted when rubbing, when rotor edge and bearing edge
It when being overlapped, sends a warning message, the warning information carries the edge coordinate data of coincidence.Wherein, warning information can
Think short message form, or mail he, the embodiment of the present invention are not specifically limited.
The present invention provides the generation method of another shaft core position information, the embodiment of the present invention is by being mounted on bearings
The location information of the same orthogonal sensor acquisition rotor relative movement in section, according to location information and static position parameter
Orbit of shaft center coordinate, bearing and root diameter are generated the axis of rotor bearing relative motion by the orbit of shaft center coordinate for calculating rotor
The output image of heart position greatly strengthens to monitor the relative positional relationship between rotor and bearing in real time to axle center position
The formation efficiency set, improves the accuracy of monitoring, to improve the accuracy rate of high-speed rotating machine vibrating failure diagnosis.
Further, as the realization to method shown in above-mentioned Fig. 1, the embodiment of the invention provides a kind of shaft core position letters
The generation system of breath, as shown in fig. 7, the system includes: processor 31, sensor 32,
The processor 31, for obtaining the location information of sensor acquisition rotor relative motion within the bearing, Yi Jijing
State location parameter calculates the orbit of shaft center number of coordinates when rotor motion using the location information and static position parameter
According to；It is opposite with the diameter data of rotor integration generation rotor bearing according to the orbit of shaft center coordinate data, the bearing
Move the output image of shaft core position；
The sensor 32 is two displacement sensors for being configured at the same section mutually perpendicular direction of bearing, for detecting
The location information that the vibration displacement of the rotor generates.
Further, the static position parameter includes static clearance voltage data, sensor setting angle data, sensing
Device conversion coefficient,
The processor 31 is specifically used for utilizing the static clearance voltage data and the positional information calculation waveform number
According to the location information includes the contact potential series value for the both direction that the rotor vibration displacement generates；According to the waveform number
According to, the static clearance voltage data, sensor conversion coefficient calculate orbit of shaft center information contact potential series value；According to the biography
Sensor setting angle data rotation converts the contact potential series value of the orbit of shaft center information into pre-set co-ordinate system, obtains axle center rail
Mark coordinate data.
Further, the processor 31, specifically for marking the bearing corresponding with the diameter data of the rotor
Circular image draws the orbit of shaft center coordinate data and according to the orbit of shaft center number of coordinates into the pre-set co-ordinate system
According to determining shaft core position coordinate data, the output image of rotor bearing relative motion shaft core position is generated.
Further, the processor 31 is also used to judge edge coordinate number of the rotor in relative movement
Whether it is overlapped according to the edge coordinate data with the bearing；If being overlapped, send a warning message, the warning information carries weight
The edge coordinate data of conjunction.
Further, the processor 31 is also used to be sat according to the diameter data of the rotor and the orbit of shaft center
Mark data determine edge coordinate data of the rotor in relative movement.
The present invention provides a kind of generation system of shaft core position information, the embodiment of the present invention is same by being mounted on bearings
The location information of the orthogonal sensor acquisition rotor relative movement in one section, according to location information and static position parameter meter
Orbit of shaft center coordinate, bearing and root diameter are generated the axle center of rotor bearing relative motion by the orbit of shaft center coordinate for calculating rotor
The output image of position greatly strengthens to monitor the relative positional relationship between rotor and bearing in real time to shaft core position
Formation efficiency, the accuracy of monitoring is improved, to improve the accuracy rate of high-speed rotating machine vibrating failure diagnosis.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all include within protection scope of the present invention.
Claims (10)
1. a kind of generation method of shaft core position information characterized by comprising
Obtain sensor acquisition the rotor location information of relative motion and static position parameter within the bearing, the sensor
For two displacement sensors for being configured at the same section mutually perpendicular direction of bearing, the vibration displacement for detecting the rotor is produced
Raw location information；
The orbit of shaft center coordinate data when rotor motion is calculated using the location information and static position parameter；
It is opposite with the diameter data of rotor integration generation rotor bearing according to the orbit of shaft center coordinate data, the bearing
Move the output image of shaft core position.
2. the method according to claim 1, wherein the static position parameter includes static clearance voltage number
According to, sensor setting angle data, sensor conversion coefficient, it is described to calculate institute using the location information and static position parameter
Orbit of shaft center coordinate data when stating rotor motion includes:
Using the static clearance voltage data and the positional information calculation Wave data, the location information includes described turns
The contact potential series value for the both direction that sub- vibration displacement generates；
The electricity of orbit of shaft center information is calculated according to the Wave data, the static clearance voltage data, sensor conversion coefficient
Press sequential value；
The contact potential series value of the orbit of shaft center information is converted to pre-set co-ordinate according to the sensor setting angle data rotation
In system, orbit of shaft center coordinate data is obtained.
3. according to the method described in claim 2, it is characterized in that, described according to the orbit of shaft center coordinate data, the axis
Holding the output image for integrating generation rotor bearing relative motion shaft core position with the diameter data of the rotor includes:
It marks bearing circular image corresponding with the diameter data of the rotor into the pre-set co-ordinate system, and draws institute
The shaft core position coordinate data stating orbit of shaft center coordinate data and being determined according to the orbit of shaft center coordinate data generates armature spindle
Hold the output image of relative motion shaft core position.
4. method according to claim 1-3, which is characterized in that the method also includes:
Judge whether edge coordinate data of the rotor in relative movement and the edge coordinate data of the bearing weigh
It closes；
If being overlapped, send a warning message, the warning information carries the edge coordinate data of coincidence.
5. according to the method described in claim 4, it is characterized in that, side of the judgement rotor in relative movement
Before whether edge coordinate data is overlapped with the edge coordinate data of the bearing, the method also includes:
Determine the rotor in relative movement according to the diameter data of the rotor and the orbit of shaft center coordinate data
In edge coordinate data.
6. a kind of generation system of shaft core position information characterized by comprising processor, sensor,
The processor, for obtaining the location information and static position of the relative motion within the bearing of sensor acquisition rotor
Parameter calculates the orbit of shaft center coordinate data when rotor motion using the location information and static position parameter；According to
The diameter data integration of the orbit of shaft center coordinate data, the bearing and the rotor generates rotor bearing relative motion axle center
The output image of position；
The sensor is two displacement sensors for being configured at the same section mutually perpendicular direction of bearing, for detecting described turn
The location information that the vibration displacement of son generates.
7. system according to claim 6, which is characterized in that the static position parameter includes static clearance voltage number
According to, sensor setting angle data, sensor conversion coefficient,
The processor is specifically used for utilizing the static clearance voltage data and the positional information calculation Wave data, institute
State the contact potential series value that location information includes the both direction that the rotor vibration displacement generates；According to the Wave data, institute
State static clearance voltage data, sensor conversion coefficient calculates the contact potential series value of orbit of shaft center information；According to the sensor
Setting angle data rotation converts the contact potential series value of the orbit of shaft center information into pre-set co-ordinate system, obtains orbit of shaft center seat
Mark data.
8. system according to claim 7, which is characterized in that
The processor, specifically for marking bearing circular image corresponding with the diameter data of the rotor to described pre-
The shaft core position for setting in coordinate system, and drawing the orbit of shaft center coordinate data and being determined according to the orbit of shaft center coordinate data
Coordinate data generates the output image of rotor bearing relative motion shaft core position.
9. according to the described in any item systems of claim 6-8, which is characterized in that
The processor is also used to judge the side of the rotor edge coordinate data in relative movement and the bearing
Whether edge coordinate data is overlapped；If being overlapped, send a warning message, the warning information carries the edge coordinate number of coincidence
According to.
10. system according to claim 9, which is characterized in that
The processor is also used to determine described turn according to the diameter data of the rotor and the orbit of shaft center coordinate data
Edge coordinate data of the son in relative movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399451.XA CN110196029A (en) | 2019-05-14 | 2019-05-14 | The generation method and system of shaft core position information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399451.XA CN110196029A (en) | 2019-05-14 | 2019-05-14 | The generation method and system of shaft core position information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110196029A true CN110196029A (en) | 2019-09-03 |
Family
ID=67752797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910399451.XA Pending CN110196029A (en) | 2019-05-14 | 2019-05-14 | The generation method and system of shaft core position information |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110196029A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453721A (en) * | 2020-11-09 | 2021-03-09 | 上海柏楚电子科技股份有限公司 | Control method, system, device, equipment and medium for pipe support |
| CN113701977A (en) * | 2021-08-30 | 2021-11-26 | 华能威海发电有限责任公司 | Method and system for measuring maximum value of relative vibration of rotor in all directions |
| CN116050030A (en) * | 2023-04-03 | 2023-05-02 | 亿昇(天津)科技有限公司 | Method, device and equipment for determining axial center position of blower rotor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000171239A (en) * | 1998-12-03 | 2000-06-23 | Ntn Corp | Rotational angle detecting device |
| CN202058148U (en) * | 2011-04-21 | 2011-11-30 | 重庆大学 | Axis track analyzer |
| CN205482837U (en) * | 2016-01-30 | 2016-08-17 | 吉林大学 | Rotating machinery is centering dynamic verification device not |
| CN206206427U (en) * | 2016-11-07 | 2017-05-31 | 珠海市和裕丰船舶设备有限公司 | One kind combination axle center |
| CN108955596A (en) * | 2018-08-13 | 2018-12-07 | 珠海格力电器股份有限公司 | Bearing axis position monitoring method and device and control device |
-
2019
- 2019-05-14 CN CN201910399451.XA patent/CN110196029A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000171239A (en) * | 1998-12-03 | 2000-06-23 | Ntn Corp | Rotational angle detecting device |
| CN202058148U (en) * | 2011-04-21 | 2011-11-30 | 重庆大学 | Axis track analyzer |
| CN205482837U (en) * | 2016-01-30 | 2016-08-17 | 吉林大学 | Rotating machinery is centering dynamic verification device not |
| CN206206427U (en) * | 2016-11-07 | 2017-05-31 | 珠海市和裕丰船舶设备有限公司 | One kind combination axle center |
| CN108955596A (en) * | 2018-08-13 | 2018-12-07 | 珠海格力电器股份有限公司 | Bearing axis position monitoring method and device and control device |
Non-Patent Citations (2)
| Title |
|---|
| 易太连等: ""曲轴轴承轴心轨迹测试及分析研究"", 《内燃机车》 * |
| 船用柴油机设计手册编辑委员会: "《船用柴油机设计手册》", 31 December 1982, "船用柴油机设计手册" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453721A (en) * | 2020-11-09 | 2021-03-09 | 上海柏楚电子科技股份有限公司 | Control method, system, device, equipment and medium for pipe support |
| CN113701977A (en) * | 2021-08-30 | 2021-11-26 | 华能威海发电有限责任公司 | Method and system for measuring maximum value of relative vibration of rotor in all directions |
| CN116050030A (en) * | 2023-04-03 | 2023-05-02 | 亿昇(天津)科技有限公司 | Method, device and equipment for determining axial center position of blower rotor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110196029A (en) | The generation method and system of shaft core position information | |
| CN109813336B (en) | Calibration method for inertia measurement unit | |
| CN103344243A (en) | Friction parameter identification method for aerial remote-sensing inertial stabilization platform | |
| CN106839968B (en) | Rotor space axis of bending test macro and its test method | |
| CN103257044A (en) | Apparatus and method for visualizing position of rotating structure with respect to stationary structure | |
| CN106872730A (en) | A kind of acceleration measurement device and method | |
| CN109798855B (en) | Calibration method and system of machine tool | |
| CN103115726A (en) | Rotating parts and components dynamic balance method based on strain | |
| CN103528514A (en) | Machine vision multi-view-field synergistic mechanism and measurement and detection device with same | |
| CN104501714A (en) | Online monitoring device and online monitoring method for eccentric azimuth angle of steam turbine rotor | |
| CN107202553B (en) | Full view scanning measurement system and its target measurement method | |
| CN105258634B (en) | The bend detection method and system of magnetic suspension bearing shaft | |
| CN1188681C (en) | Optical method of dynamic balance test for gyro rotor | |
| CN109297482A (en) | A kind of position measuring system and measurement method based on rotary encoder | |
| CN104133252B (en) | Superconductive maglev positioning device assisted by gravity gradient measurement in positioning, and positioning method | |
| CN102519671A (en) | Space position and gesture measuring device based on binocular vision and used for measuring gyroscope static balance | |
| CN205825924U (en) | Cold quick-witted off tracking of ring and revolving frame warp on-line measuring device | |
| Gao et al. | Mass imbalance measurement of incomplete spherical superconducting rotor with air suspension | |
| PENG et al. | Three-dimensional vibration measurement method for lightweight beam based on machine vision | |
| CN211318617U (en) | Device for testing internal signal of CT rotor during rotation | |
| EP4185768A1 (en) | Wind turbine system | |
| CN202329570U (en) | Device for high precisely measuring three-dimensional deformation of to-be-measured piece in high-low temperature chamber | |
| CN102519672A (en) | Monocular-principle-based six-degree-of-freedom position and attitude measuring device for measuring static balance of gyroscope | |
| CN113701977B (en) | Method and system for measuring maximum value of relative vibration of rotor in all directions | |
| CN105241385B (en) | The method for real-time measurement of object vibration displacement in inertial space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190903 |
|
| RJ01 | Rejection of invention patent application after publication |