CN112710426A - AR power station steam turbine dynamic balance method and device based on virtual reality - Google Patents
AR power station steam turbine dynamic balance method and device based on virtual reality Download PDFInfo
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- CN112710426A CN112710426A CN202011498651.XA CN202011498651A CN112710426A CN 112710426 A CN112710426 A CN 112710426A CN 202011498651 A CN202011498651 A CN 202011498651A CN 112710426 A CN112710426 A CN 112710426A
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- dynamic balance
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- weighting
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining unbalance
- G01M1/16—Determining unbalance by oscillating or rotating the body to be tested
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
Abstract
The invention relates to an AR power station steam turbine dynamic balance method and device based on virtual reality, wherein the method comprises the following steps: step 1, collecting vibration data of each bearing of a steam turbine; step 2, calculating the position of the rotor in the bearing according to the gap voltage in the vibration data, and calculating the weighted position of the dynamic balance weighting block according to the phase, the frequency and the amplitude in the vibration data; and 3, displaying the position of the turbine rotor in the bearing, and the weighting position and angle of the dynamic balance weighting block through the head-mounted display device. The invention directly displays the weighting position and the weighting angle of the dynamic balance weighting block by using the head-mounted display, realizes visual diagnosis and treats the abnormal vibration of the steam turbine, can effectively improve the dynamic balance test efficiency of the steam turbine, and greatly improves the operation stability of the steam turbine of the power station.
Description
Technical Field
The invention belongs to the technical field of vibration fault diagnosis of rotating equipment, and particularly relates to a virtual reality-based AR power station steam turbine dynamic balance method and device.
Background
Thermal power station is because the requirement of environmental protection and stability, the steam turbine is as important equipment, it can whether the safe and stable operation will be directly related to the unit can the safe and stable operation, and the steam turbine vibration is as the important index of steady operation, it is directly decided whether the unit can the safe and stable operation, long-time erosive wear appears in the steam turbine in service, further lead to the rotor quality unbalance to appear, lead to the expansion of exciting force, the vibration risees, threaten the safe and stable operation of unit, so regular carry out the dynamic balance test to the steam turbine, reduce basic vibration value, will help improving steam turbine operation stability.
Disclosure of Invention
The invention aims to provide a virtual reality-based AR power station steam turbine dynamic balance method and device, which can be used for carrying out dynamic balance on a multistage centrifugal pump through big data of the Internet so as to achieve the purpose of efficiently and accurately processing vibration faults of auxiliary machines of a power plant.
The invention provides an AR power station steam turbine dynamic balance method based on virtual reality, which comprises the following steps:
step 1, collecting vibration data of each bearing of a steam turbine;
step 2, calculating the position of the rotor in the bearing according to the gap voltage in the vibration data, and calculating the weighted position of the dynamic balance weighting block according to the phase, the frequency and the amplitude in the vibration data;
and 3, displaying the position of the turbine rotor in the bearing, and the weighting position and angle of the dynamic balance weighting block through the head-mounted display device.
The invention also provides an AR power station steam turbine dynamic balance device based on virtual reality, which comprises:
the online vibration monitoring equipment of the steam turbine is used for acquiring vibration data of each bearing of the steam turbine;
the intelligent cloud computing module is used for calculating the position of the rotor in the bearing according to the gap voltage in the vibration data and calculating the weighted position of the dynamic balance weighting block according to the phase, the frequency and the amplitude in the vibration data;
and the head-mounted display device is used for displaying the position of the turbine rotor in the bearing, and the weighting position and angle of the dynamic balance weighting block.
By means of the scheme, the AR power station steam turbine dynamic balance method and device based on virtual reality directly display the weighting position and angle of the dynamic balance weighting block by using the head-mounted display, so that the steam turbine vibration abnormity can be visually diagnosed and processed, the steam turbine dynamic balance test efficiency can be effectively improved, and the running stability of the power station steam turbine is greatly improved.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Drawings
FIG. 1 is a flow chart of the AR power station steam turbine dynamic balancing method based on virtual reality;
FIG. 2 is a schematic diagram of the AR power station turbine dynamic balancing device based on virtual reality;
FIG. 3 is a schematic view of a rotor shown in position within a bearing according to an embodiment of the present invention;
FIG. 4 is a schematic view of the weight position and weight of the dynamic balance weight in one embodiment of the present invention;
FIG. 5 is a schematic view of the floating condition of the rotor in the bearing bushes under different working conditions according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1, the embodiment provides a virtual reality-based AR power station steam turbine dynamic balancing method, including:
step S1, collecting vibration data of each bearing of the steam turbine;
step S2, calculating the position of the rotor in the bearing according to the gap voltage in the vibration data, and calculating the weighted position of the dynamic balance weight according to the phase, frequency and amplitude in the vibration data (the calculation method is a harmonic component calculation method); and the sampling samples can be expanded through a big data-based mode, fault analysis processing cases are accumulated, and the diagnosis accuracy is improved.
And step S3, displaying the position of the turbine rotor in the bearing, and the weighting position and angle of the dynamic balance weighting block through the head-mounted display device.
This AR power plant turbine dynamic balance method based on virtual reality, can acquire audio-visual turbine rotor vibration state through head-mounted display device and observe, can know the position of turbine rotor in the bearing (show rotor floating volume), and if the turbine appears the vibration unusual and need carry out the dynamic balance test to the turbine, can push dynamic balance scheme to the weight position and the angle that aggravates of dynamic balance weight of direct display dynamic balance weight of head-mounted display device direct display, realize audio-visual diagnosis, handle the turbine vibration unusual, can avoid traditional expert to go to the scene and carry out the dynamic balance test, and aggravate the position and compare fuzziness, the problem that is difficult to confirm (avoid angle and the weight of scene installation mismatch weight), can effectual improvement turbine dynamic balance test efficiency, the stability of great improvement steam turbine power plant operation.
Referring to fig. 2, this embodiment further provides a virtual reality-based AR power station steam turbine dynamic balancing apparatus, including:
the on-line vibration monitoring device 2 of the steam turbine (namely, a TSI system configured in a plant or other vibration data acquisition and monitoring systems) is used for acquiring vibration data of each bearing of the steam turbine 3 (which may also comprise a generator);
the intelligent cloud computing module is used for calculating the position of the rotor in the bearing according to the gap voltage in the vibration data and calculating the weighted position of the dynamic balance weighting block according to the phase, the frequency and the amplitude in the vibration data;
and a head-mounted display device (a head-mounted AR/VR display 1) for displaying the position of the turbine rotor in the bearing (see FIG. 3), and the weighting position and angle of the dynamic balance weighting block (weight) (see FIG. 4).
In the present embodiment, the position calculation method of the rotor in the bearing is as follows:
the displacement of the rotating shaft in the X direction and the Y direction can be respectively obtained through the gap voltage change in the X direction and the Y direction and the sensitivity of the sensor:
EX＝(X2—X1)×1000/8∠0°；
EY＝(Y2—Y1)×1000/8∠90°；
E＝EX+EY；
EX: displacement of the rotating shaft in the X direction; EY: displacement of the rotating shaft in the Y direction; e: the floating amount of the rotating shaft in the bearing; x1, X2: an X-direction gap voltage; y1, Y2: a Y-direction gap voltage; the sensor sensitivity was 8V/mm. The rotor floats in the bearing bush under different working conditions, and the figure 5 shows the condition.
The method can be used for guiding the steam turbine to operate and adjust parameters such as lubricating oil temperature and steam quantity according to the given position, slightly adjusting the position of the rotor in the bearing, improving the pressure-bearing state of an oil film and improving the safety and stability of unit vibration.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (2)
1. A virtual reality-based AR power station steam turbine dynamic balance method is characterized by comprising the following steps:
step 1, collecting vibration data of each bearing of a steam turbine;
step 2, calculating the position of the rotor in the bearing according to the gap voltage in the vibration data, and calculating the weighted position of the dynamic balance weighting block according to the phase, the frequency and the amplitude in the vibration data;
and 3, displaying the position of the turbine rotor in the bearing, and the weighting position and angle of the dynamic balance weighting block through the head-mounted display device.
2. The utility model provides a AR power station turbine dynamic balance device based on virtual reality which characterized in that includes:
the online vibration monitoring equipment of the steam turbine is used for acquiring vibration data of each bearing of the steam turbine;
the intelligent cloud computing module is used for calculating the position of the rotor in the bearing according to the gap voltage in the vibration data and calculating the weighted position of the dynamic balance weighting block according to the phase, the frequency and the amplitude in the vibration data;
and the head-mounted display device is used for displaying the position of the turbine rotor in the bearing, and the weighting position and angle of the dynamic balance weighting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498651.XA CN112710426A (en) | 2020-12-17 | 2020-12-17 | AR power station steam turbine dynamic balance method and device based on virtual reality |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498651.XA CN112710426A (en) | 2020-12-17 | 2020-12-17 | AR power station steam turbine dynamic balance method and device based on virtual reality |
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| CN112710426A true CN112710426A (en) | 2021-04-27 |
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| CN202011498651.XA Pending CN112710426A (en) | 2020-12-17 | 2020-12-17 | AR power station steam turbine dynamic balance method and device based on virtual reality |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535262A (en) * | 2015-01-20 | 2015-04-22 | 湖南科技大学 | Complete machine trial-mass-free virtual dynamic balance method for turbine machinery N+1 supporting shafting |
| JP6496061B1 (en) * | 2018-03-30 | 2019-04-03 | オークマ株式会社 | Method and apparatus for diagnosing abnormality of rolling bearing |
| CN110060356A (en) * | 2019-05-07 | 2019-07-26 | 谷东科技有限公司 | A kind of operating room dose of radiation display methods and device based on virtual reality technology |
| CN111263124A (en) * | 2020-03-26 | 2020-06-09 | 彭瑞华 | High-safety power station operation and maintenance virtual display image generation method, storage medium, virtual display server and virtual display system |
| CN111679740A (en) * | 2020-06-06 | 2020-09-18 | 西安热工研究院有限公司 | Method for carrying out remote intelligent diagnosis on power station equipment by using Augmented Reality (AR) technology |
-
2020
- 2020-12-17 CN CN202011498651.XA patent/CN112710426A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535262A (en) * | 2015-01-20 | 2015-04-22 | 湖南科技大学 | Complete machine trial-mass-free virtual dynamic balance method for turbine machinery N+1 supporting shafting |
| JP6496061B1 (en) * | 2018-03-30 | 2019-04-03 | オークマ株式会社 | Method and apparatus for diagnosing abnormality of rolling bearing |
| CN110060356A (en) * | 2019-05-07 | 2019-07-26 | 谷东科技有限公司 | A kind of operating room dose of radiation display methods and device based on virtual reality technology |
| CN111263124A (en) * | 2020-03-26 | 2020-06-09 | 彭瑞华 | High-safety power station operation and maintenance virtual display image generation method, storage medium, virtual display server and virtual display system |
| CN111679740A (en) * | 2020-06-06 | 2020-09-18 | 西安热工研究院有限公司 | Method for carrying out remote intelligent diagnosis on power station equipment by using Augmented Reality (AR) technology |
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| Title |
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| 康兴汝: "基于虚拟现实技术的电厂汽轮机设备维修模拟研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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Application publication date: 20210427 |