CN113804257A - System and method for monitoring suspension state of magnetic suspension bearing or air suspension bearing - Google Patents
System and method for monitoring suspension state of magnetic suspension bearing or air suspension bearing Download PDFInfo
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- CN113804257A CN113804257A CN202111129323.7A CN202111129323A CN113804257A CN 113804257 A CN113804257 A CN 113804257A CN 202111129323 A CN202111129323 A CN 202111129323A CN 113804257 A CN113804257 A CN 113804257A
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- 239000000725 suspension Substances 0.000 title claims abstract description 46
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000005339 levitation Methods 0.000 claims description 40
- 238000006073 displacement reaction Methods 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The embodiment of the invention discloses a suspension state monitoring system and a method for a magnetic suspension bearing or an air suspension bearing, wherein the system comprises an integrated state data acquisition module, a processing module and a display module, and integrates the functions of rotor state acquisition, rotating speed acquisition, temperature acquisition, fault acquisition, axis track operation, Fourier transform operation of a rotor, display, setting, processing and storage, the integration level is high, the system is simple in structure, few in number of used components, low in cost, small in size, capable of adapting to control boxes of different sizes, high in acquisition speed and good in real-time performance.
Description
Technical Field
The embodiment of the invention relates to the technical field of mechanical automation, in particular to a system and a method for monitoring the suspension state of a magnetic suspension bearing or an air suspension bearing.
Background
Magnetic suspension bearings and air suspension bearings are increasingly used in rotary mechanical equipment such as blowers, refrigeration compressors, air compressors, MVR equipment, gas turbines, generators and the like with the progress of the times. The running state monitoring of all magnetic suspension bearings or air suspension bearings in the industry is connected to a computer end through a high-speed data line adaptive high-speed data acquisition card, and the running state, the temperature state and the automatic mechanical state of a rotor of a motor are displayed and analyzed by matching the computer end with an upper computer.
Disclosure of Invention
Therefore, the embodiment of the invention provides a system and a method for monitoring the suspension state of a magnetic suspension bearing or an air suspension bearing, so as to solve the problems of poor real-time performance, high cost, large volume, no portability and low integration level of the existing technology for monitoring the operation state of the magnetic suspension bearing or the air suspension bearing.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of embodiments of the present invention, there is provided a levitation state monitoring system for a magnetic levitation bearing or an air levitation bearing, the system comprises an integrated state data acquisition module, a processing module and a display module, the state data acquisition module is used for acquiring rotor displacement, rotating speed and running state information, can directly acquire rotor displacement or acquire rotor displacement data in a data communication mode with a suspension main control CPU or an external device, the processing module is used for processing and calculating the acquired data and displaying the processed information on the display module or directly displaying the processed information through the suspension main control CPU and the peripheral, the display module is used for displaying a real-time graph of the axis locus of the rotor, displacement and oscillogram of the rotor in each direction, a Fourier transform result graph of the rotor, the unbalance amount of the rotor, the rotating speed of the rotor and rotor fault information.
Further, the display module is an LCD black-and-white display screen, an LCD color display screen, a TFT color display screen, an OLED display screen or an LED display screen which are matched with control boxes with different sizes and have various sizes.
Further, the display module is embedded on the controller case or connected to the controller case or arranged on a mechanism outside the controller case, or connected with the controller case in a pluggable mode.
Furthermore, the system also comprises a temperature acquisition module for acquiring the environment temperature in the case, the temperature of the power amplifier and the temperature information of the power supply.
Furthermore, the display module is also used for displaying the ambient temperature in the case, the temperature of the power amplifier and the temperature information of the power supply.
Furthermore, the display module is also used for expanding self-learning setting and starting of the controller and displaying self-learning states, setting of communication protocol ID addresses, displaying version numbers, displaying chassis serial numbers, displaying running time, displaying world clocks and setting magnetic suspension control parameters.
Further, the display module comprises a touch screen device or a key control interface.
Further, the display module displays the state parameters and the setting parameters by using a nixie tube or a simple LCD liquid crystal screen.
According to a second aspect of the embodiments of the present invention, there is provided a levitation state monitoring method for a magnetic levitation bearing or an air levitation bearing, the method including:
the method comprises the steps of collecting rotor displacement, rotating speed and running state information, and directly collecting rotor displacement or obtaining rotor displacement data in a data communication mode with a suspension main control CPU or an external device;
processing and calculating the acquired data and displaying the processed information on a display module or directly displaying the processed information through a suspension main control CPU and an external device;
and displaying a real-time graph of the axis locus of the rotor, displacement and oscillograms of the rotor in all directions, a Fourier transform result graph of the rotor, the unbalance amount of the rotor, the rotating speed of the rotor and rotor fault information.
The embodiment of the invention has the following advantages:
the system comprises an integrated state data acquisition module, a processing module and a display module, integrates the functions of rotor state acquisition, rotating speed acquisition, temperature acquisition, fault acquisition, axis track operation, Fourier transform operation of a rotor, display, setting, processing and storage, has high integration level, simple structure, few used components, low cost and small volume, can be adapted to control boxes with different sizes, and has high acquisition speed and good real-time performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a suspension state monitoring system of a magnetic suspension bearing or an air suspension bearing according to embodiment 1 of the present invention;
fig. 2 is a schematic flow chart of a method for monitoring a levitation state of a magnetic levitation bearing or an air levitation bearing according to embodiment 2 of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
Example 1
As shown in fig. 1, the present embodiment proposes a levitation state monitoring system of a magnetic levitation bearing or an air levitation bearing, the system includes an integrated status data acquisition module 110, a processing module 120 and a display module 130, the state data acquisition module 110 is used for acquiring rotor displacement, rotation speed and running state information, can directly acquire rotor displacement or acquire rotor displacement data in a data communication mode with a suspension main control CPU or an external device, the processing module 120 is used for processing and calculating the acquired data and displaying the processed information on the display module 130 or directly displaying the processed information through a suspension main control CPU and peripheral devices, the display module 130 is used for displaying a real-time graph of the axis locus of the rotor, a displacement and a waveform graph of each direction of the rotor, a Fourier transform result graph of the rotor, an unbalance amount of the rotor, a rotating speed of the rotor and rotor fault information.
Further, the display module 130 is adapted to control boxes of different sizes and uses various sizes of LCD black and white display screens, LCD color display screens, TFT color display screens, OLED display screens or LED display screens.
Further, the display module 130 is embedded in the controller case or connected to the controller case or mounted on a mechanism outside the controller case, or is connected to the controller case in a pluggable manner.
Furthermore, the system also comprises a temperature acquisition module for acquiring the environment temperature in the case, the temperature of the power amplifier and the temperature information of the power supply.
Further, the display module 130 is further configured to display information of an ambient temperature in the chassis, a temperature of the power amplifier, and a temperature of the power supply.
Further, the display module 130 is further configured to extend the self-learning setting and the starting and self-learning state display of the controller, set the communication protocol ID address, display the version number, display the chassis serial number, display the running time, display the world clock, and set the magnetic levitation control parameter.
Further, the display module 130 includes a touch screen device or a key control interface.
Further, the display module 130 displays the status parameters and the setting parameters by using a digital tube or a simple LCD.
The embodiment provides a suspension state monitoring system of a magnetic suspension bearing or an air suspension bearing, which has the following characteristics:
real-time performance: the device acquires the rotor displacement through directly acquiring the rotor displacement or through a data communication mode with a suspension main control CPU or an external device, has high acquisition speed and good real-time performance, and can display the rotor running axis track and the displacement oscillogram of the rotor in each direction through the display module 130 or directly display the displacement oscillogram through the suspension main control CPU and the external device in time.
The cost is low: the device is simple in structure, few in components and low in cost.
Small volume: the volume of the device is mainly determined by the size of the display module 130, and the device can be perfectly embedded on the controller case or connected to the controller case through a connection mode or arranged on a mechanism outside the controller case and can be pulled out when not used.
The integration level is high: the device integrates the functions of rotor state acquisition, rotating speed acquisition, temperature acquisition, fault acquisition, axis locus operation, Fourier transform operation of the rotor, display, setting, processing and storage.
The display function is rich: the device can display real-time graphs of the axial locus of the rotor, displacement and oscillograms of the rotor in all directions, graphs of Fourier transform results of the rotor, unbalance quantities of the rotor, the rotating speed of the rotor, the environment temperature in a case, the temperature of a power amplifier and the temperature of a power supply
The expansion function is rich: the device expands the setting of self-learning setting and starting of the controller and the display of self-learning state, fault display, setting of communication protocol ID address, version number display, case serial number display, running time display, world clock display and magnetic suspension control parameters.
The device is convenient to control: and controlling the interface by using a touch screen device or using a key.
Display module other forms of derivative products: most of the graphic display is abandoned, and the display state parameters and the setting parameters are changed into digital tubes or simple LCD liquid crystal screens.
Example 2
In correspondence with embodiment 1 described above, as shown in fig. 2, this embodiment proposes a levitation state monitoring method for a magnetic levitation bearing or an air levitation bearing, the method including:
s210, rotor displacement, rotating speed and running state information are collected, and rotor displacement data can be directly collected or obtained in a data communication mode with a suspension main control CPU or an external device;
s220, processing and calculating the acquired data, and displaying the processed information on a display module or directly displaying the processed information through a suspension main control CPU and a peripheral;
and S230, displaying a real-time graph of the axis track of the rotor, displacement and wave patterns of each direction of the rotor, a Fourier transform result graph of the rotor, the unbalance amount of the rotor, the rotating speed of the rotor and rotor fault information.
The functions executed in the steps of the method for monitoring the levitation state of the magnetic levitation bearing or the air levitation bearing provided by the embodiment of the present invention are described in detail in embodiment 1, and therefore, redundant description is not repeated here.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a suspension state monitoring system of magnetic suspension bearing or air suspension bearing, its characterized in that, the system is including the state data acquisition module, processing module and the display module of integrated setting, state data acquisition module is used for gathering rotor displacement, rotational speed and running state information, can directly gather rotor displacement or obtain rotor displacement data through the mode with suspension master control CPU or peripheral hardware data communication, processing module is used for handling and calculating the data of gathering and will handle the information and show on display module or through suspension master control CPU and peripheral hardware direct display, display module is used for showing rotor axle center orbit real-time figure, rotor each direction displacement and oscillogram, the Fourier transform result figure of rotor, rotor unbalance amount, the rotational speed and the rotor fault information of rotor.
2. The system for monitoring the levitation state of a magnetic or air levitation bearing as recited in claim 1, wherein the display module is a black and white LCD screen, a color TFT screen, an OLED screen or an LED screen of various sizes adapted to control boxes of different sizes.
3. The system for monitoring the levitation state of a magnetic or air bearing as recited in claim 1, wherein the display module is embedded in or connected to the controller housing or mounted on a mechanism outside the controller housing, or is connected to the controller housing in a pluggable manner.
4. The system for monitoring the levitation state of a magnetic levitation bearing or an air levitation bearing as recited in claim 1, further comprising a temperature collection module for collecting the ambient temperature in the chassis, the temperature of the power amplifier and the temperature of the power supply.
5. The system for monitoring the levitation state of the magnetic levitation bearing or the air levitation bearing as recited in claim 4, wherein the display module is further configured to display the ambient temperature in the chassis, the temperature of the power amplifier and the temperature of the power supply.
6. The system for monitoring the levitation state of a magnetic levitation bearing or an air levitation bearing as recited in claim 1, wherein the display module is further configured to extend the self-learning settings and the start and self-learning status displays of the controller, the communication protocol ID address settings, the version number displays, the chassis serial number displays, the run length displays, the world clock displays, and the magnetic levitation control parameters.
7. The system for monitoring the levitation state of a magnetic or air levitation bearing as recited in claim 1, wherein the display module comprises a touch screen device or a key-operated interface.
8. The system for monitoring the levitation state of a magnetic levitation bearing or an air levitation bearing as recited in claim 1, wherein the display module displays the state parameters and the setting parameters by using a nixie tube or a simple LCD liquid crystal screen.
9. A method for monitoring a levitation state of a magnetic levitation bearing or an air levitation bearing, the method comprising:
the method comprises the steps of collecting rotor displacement, rotating speed and running state information, and directly collecting rotor displacement or obtaining rotor displacement data in a data communication mode with a suspension main control CPU or an external device;
processing and calculating the acquired data and displaying the processed information on a display module or directly displaying the processed information through a suspension main control CPU and an external device;
and displaying a real-time graph of the axis locus of the rotor, displacement and oscillograms of the rotor in all directions, a Fourier transform result graph of the rotor, the unbalance amount of the rotor, the rotating speed of the rotor and rotor fault information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111129323.7A CN113804257A (en) | 2021-09-26 | 2021-09-26 | System and method for monitoring suspension state of magnetic suspension bearing or air suspension bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111129323.7A CN113804257A (en) | 2021-09-26 | 2021-09-26 | System and method for monitoring suspension state of magnetic suspension bearing or air suspension bearing |
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| CN113804257A true CN113804257A (en) | 2021-12-17 |
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| CN202111129323.7A Pending CN113804257A (en) | 2021-09-26 | 2021-09-26 | System and method for monitoring suspension state of magnetic suspension bearing or air suspension bearing |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140056699A (en) * | 2012-10-31 | 2014-05-12 | 한국전기연구원 | Magnetically levitated transportation system for display manufacturing equipment |
| CN107271126A (en) * | 2017-05-31 | 2017-10-20 | 北京航空航天大学 | A kind of rotor modal frequency and Mode Shape online testing device based on magnetic levitation technology |
| CN108919713A (en) * | 2018-07-12 | 2018-11-30 | 珠海格力电器股份有限公司 | Magnetic suspension bearing monitoring method and device, magnetic suspension bearing monitoring host and computer readable storage medium |
| CN110779716A (en) * | 2019-11-01 | 2020-02-11 | 苏州德姆斯信息技术有限公司 | Embedded mechanical fault intelligent diagnosis equipment and diagnosis method |
| CN112983989A (en) * | 2021-03-05 | 2021-06-18 | 广东美的暖通设备有限公司 | Magnetic suspension bearing and control method and system thereof |
-
2021
- 2021-09-26 CN CN202111129323.7A patent/CN113804257A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140056699A (en) * | 2012-10-31 | 2014-05-12 | 한국전기연구원 | Magnetically levitated transportation system for display manufacturing equipment |
| CN107271126A (en) * | 2017-05-31 | 2017-10-20 | 北京航空航天大学 | A kind of rotor modal frequency and Mode Shape online testing device based on magnetic levitation technology |
| CN108919713A (en) * | 2018-07-12 | 2018-11-30 | 珠海格力电器股份有限公司 | Magnetic suspension bearing monitoring method and device, magnetic suspension bearing monitoring host and computer readable storage medium |
| CN110779716A (en) * | 2019-11-01 | 2020-02-11 | 苏州德姆斯信息技术有限公司 | Embedded mechanical fault intelligent diagnosis equipment and diagnosis method |
| CN112983989A (en) * | 2021-03-05 | 2021-06-18 | 广东美的暖通设备有限公司 | Magnetic suspension bearing and control method and system thereof |
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Application publication date: 20211217 |