CN109238699A - A kind of lubrication test macro of the adjustable magnetic fluid bearing of viscosity - Google Patents
A kind of lubrication test macro of the adjustable magnetic fluid bearing of viscosity Download PDFInfo
- Publication number
- CN109238699A CN109238699A CN201811224000.4A CN201811224000A CN109238699A CN 109238699 A CN109238699 A CN 109238699A CN 201811224000 A CN201811224000 A CN 201811224000A CN 109238699 A CN109238699 A CN 109238699A
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- Prior art keywords
- magnetic fluid
- module
- fluid bearing
- viscosity
- lubricating
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- 239000011553 magnetic fluid Substances 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000005461 lubrication Methods 0.000 title claims abstract description 15
- 230000001050 lubricating effect Effects 0.000 claims abstract description 28
- 238000013016 damping Methods 0.000 claims abstract description 15
- 230000003750 conditioning effect Effects 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
本发明公开了轴承润滑测试技术领域的一种粘度可调磁流体轴承的润滑测试系统，该测试系统包括安装在检测台上的磁流体轴承、润滑膜阻尼压力传感器、信号采集模块、信号调理模块、无线采集发射装置、无线接收装置以及工控机，本发明在磁流体的轴系运转过程中，相应轴承承载面上的全周润滑系数通过压力传感器感知后，有无线采集发射装置对传感器输出数据进行采集并发设至系统外部，由于无线接收装置进行数据接收后送至上位机软件进行分析处理，能够实时的测试轴承的润滑系数，并在测试过程中不会出现数据丢包和错误的现象。
The invention discloses a viscosity-adjustable magnetic fluid bearing lubrication testing system in the technical field of bearing lubrication testing. The testing system comprises a magnetic fluid bearing installed on a testing table, a lubricating film damping pressure sensor, a signal acquisition module, and a signal conditioning module. , wireless acquisition and transmitter device, wireless receiver device and industrial computer. In the present invention, during the operation of the magnetic fluid shaft system, after the full-circle lubrication coefficient on the bearing surface of the corresponding bearing is sensed by the pressure sensor, the wireless acquisition and transmitter device outputs data to the sensor. It is collected and set to the outside of the system. Since the wireless receiving device receives the data and sends it to the host computer software for analysis and processing, the lubrication coefficient of the bearing can be tested in real time, and there will be no data packet loss and errors during the test process.
Description
Technical field
The invention discloses a kind of lubrication test macro of the adjustable magnetic fluid bearing of viscosity, skill is tested in specially bearing lubrication
Art field.
Background technique
Used in Boundary Lubrication of Magnetic Fluids enables to lubricating film bearing capacity to be significantly improved in the presence of externally-applied magnetic field, and can lead to
It crosses and changes magnetic field gradient to realize the control to bearing capacity.Meanwhile in greasing, can also by adjust magnetic fields come
Magnetic fluid is set accurately to be full of lubricated surface, to realize localization continuous lubrication.Just because of above-mentioned advantage so that magnetic fluid by
It being gradually used on various rotating machineries, magnetic fluid bearing is one of them successful application examples, magnetic fluid bearing,
Bearing of the carrier fluid as lubricant medium that exactly joined magnetic retention particle realizes profit identical with common lubricant liquid in carrier fluid
When sliding effect, the suspension stability of lubricant can be made to be improved by magnetic retention particle.
Currently, the magnetic fluid bearing commodity of industrial batch not yet list, main cause is exactly that magnetic fluid bearing is also deposited
In some technological deficiencies, emphasis is concentrated mainly on bearing the heating problem, bearing capacity feature adaptability problem, outer magnetic of magnetic fluid
Field influence and regulation problem etc., this, which just needs to do for influence of the different bearing parameters to greasy property, deeply grinds
Study carefully.For this purpose, we have proposed a kind of lubrication test macros of the adjustable magnetic fluid bearing of viscosity to come into operation, to solve above-mentioned ask
Topic.
Summary of the invention
The purpose of the present invention is to provide a kind of lubrication test macros of the adjustable magnetic fluid bearing of viscosity, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of lubrication of the adjustable magnetic fluid bearing of viscosity is surveyed
Test system, the test macro include the magnetic fluid bearing being mounted on monitor station, lubricating film damping pressure sensor, signal acquisition
Module, signal conditioning module, wireless collection emitter, radio receiver and industrial personal computer；
The lubricating film damping pressure sensor is used to detect the magnetic fluid bearing shafting high speed being mounted on monitor station and transports
The operating pressure of magnetic fluid carrier fluid during turning, and acquired by the signal acquisition module；The signal acquisition module acquisition
Carrier fluid pressure signal is uploaded in the wireless collection transmitting module after the signal conditioning module carries out low-pass filtering treatment；
The wireless collection transmitting module include digital signal processor, time controller, single-chip microcontroller and radio-frequency transmissions/
Receiving module；The constant current source module of low-pass filter circuit built in the wireless collection transmitting module is responsible for damping to the lubricating film
Pressure sensor provides power supply；The time controller is for controlling the sampling time；The digital signal processor is for receiving
Collected signal, and be uploaded in the single-chip microcontroller after the signal is compressed and encoded；After the single-chip microcontroller is to compression
Signal be decoded, communicated by the radio-frequency transmissions/receiving module with the radio receiver；
Decoded signal after reception is uploaded in the industrial personal computer by the radio receiver, number built in the industrial personal computer
According to contrast module, show whether the magnetic fluid bearing lubricating coefficient interval range is optimal by the data comparison module
Change.
Preferably, the lubricating film damping pressure sensor is the piezoelectric pressure indicator of built-in IC circuit, sensitive
Degree is 7.25V/MPa, and maximum detection pressure is 6.9MPa, resonance frequency 300KHz.
Preferably, its internal magnetic fluid carrier fluid is introduced into pressure by the shell different location punching of the magnetic fluid bearing
In power table, and the lubricating film damping pressure sensor is installed at the pipeline of pressure gauge.
Preferably, the digital signal processor uses DSP2812, and 8 acquisition channels, sample frequency and sampling is arranged
Points can be arranged in upper computer software.
Preferably, the upper computer software use Labview8.6 professional version, software inhouse be integrated with to receive compression
The program that coded data is unziped it and encoded, it is soft to be transported on any computer after all background program packings processing
Row, which acquires data with curve real-time display and saves by corresponding format, to serial ports, data transmission bauds and data
Position is configured.
Preferably, the industrial personal computer also internal database, and data query port is set on the database.
Preferably, the single-chip microcontroller is by No. 5 battery power supplies of 4 section, and exports crossing current power supply by boost module, wherein boosting
Module uses ZXLD1615 boost chip, and direct current 2.5-5.5V is boosted to 28V.
Compared with prior art, the beneficial effects of the present invention are: the present invention is in the shafting operation process of magnetic fluid, accordingly
Complete cycle lubricating coefficient on loading ability of bearing face is by having wireless collection emitter to export sensor after pressure sensor senses
Data, which are acquired, concurrently to be set to exterior, is sent after carrying out data receiver due to radio receiver to upper computer software progress
Analysis processing is capable of the lubricating coefficient of real-time test bearing, and is during the test not in data packetloss and mistake
Phenomenon.
Detailed description of the invention
Fig. 1 is present system functional block diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of lubrication test system of the adjustable magnetic fluid bearing of viscosity
System, which includes the magnetic fluid bearing being mounted on monitor station, lubricating film damping pressure sensor, signal acquisition mould
Block, signal conditioning module, wireless collection emitter, radio receiver and industrial personal computer；
The lubricating film damping pressure sensor is used to detect the magnetic fluid bearing shafting high speed being mounted on monitor station and transports
The operating pressure of magnetic fluid carrier fluid during turning, and acquired by the signal acquisition module；The signal acquisition module acquisition
Carrier fluid pressure signal is uploaded in the wireless collection transmitting module after the signal conditioning module carries out low-pass filtering treatment；
The wireless collection transmitting module include digital signal processor, time controller, single-chip microcontroller and radio-frequency transmissions/
Receiving module；The constant current source module of low-pass filter circuit built in the wireless collection transmitting module is responsible for damping to the lubricating film
Pressure sensor provides power supply；The time controller is for controlling the sampling time；The digital signal processor is for receiving
Collected signal, and be uploaded in the single-chip microcontroller after the signal is compressed and encoded；After the single-chip microcontroller is to compression
Signal be decoded, communicated by the radio-frequency transmissions/receiving module with the radio receiver；
Decoded signal after reception is uploaded in the industrial personal computer by the radio receiver, number built in the industrial personal computer
According to contrast module, show whether the magnetic fluid bearing lubricating coefficient interval range is optimal by the data comparison module
Change.
Wherein, the lubricating film damping pressure sensor is the piezoelectric pressure indicator of built-in IC circuit, sensitivity
For 7.25V/MPa, maximum detection pressure is 6.9MPa, resonance frequency 300KHz, the shell difference position of the magnetic fluid bearing
Punching is set, its internal magnetic fluid carrier fluid is introduced into pressure gauge, and the lubricating film resistance is installed at the pipeline of pressure gauge
Buddhist nun's pressure sensor, the digital signal processor use DSP2812,8 acquisition channels, sample frequency and sampled point are arranged
Number can be arranged in upper computer software, and the upper computer software uses Labview8.6 professional version, and software inhouse is integrated with pair
The program that compress coding data is unziped it and encoded is received, it is soft can be in office after all background program packings processing
What run on computer, which acquires data with curve real-time display and save by corresponding format, transmits baud to serial ports, data
Rate and data bit are configured, the industrial personal computer also internal database, and data query port, institute are arranged on the database
Single-chip microcontroller is stated by No. 5 battery power supplies of 4 section, and crossing current power supply is exported by boost module, wherein boost module uses ZXLD1615
Direct current 2.5-5.5V is boosted to 28V by boost chip.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224000.4A CN109238699A (en) | 2018-10-19 | 2018-10-19 | A kind of lubrication test macro of the adjustable magnetic fluid bearing of viscosity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224000.4A CN109238699A (en) | 2018-10-19 | 2018-10-19 | A kind of lubrication test macro of the adjustable magnetic fluid bearing of viscosity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109238699A true CN109238699A (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811224000.4A Pending CN109238699A (en) | 2018-10-19 | 2018-10-19 | A kind of lubrication test macro of the adjustable magnetic fluid bearing of viscosity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238699A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004361102A (en) * | 2003-06-02 | 2004-12-24 | Ono Sokki Co Ltd | Chassis dynamometer |
| CN1647351A (en) * | 2002-02-19 | 2005-07-27 | 洛克威尔科学许可有限公司 | Electrical generator with ferrofluid bearings |
| CN102095548A (en) * | 2010-12-03 | 2011-06-15 | 西安交通大学 | All-around lubricating film pressure wireless monitoring method of liquid sliding bearing |
| CN204284455U (en) * | 2014-11-04 | 2015-04-22 | 南京工业大学 | Magnetic fluid dynamic pressure lubrication mechanical sealing device |
| CN204716758U (en) * | 2015-03-23 | 2015-10-21 | 太原科技大学 | The adjustable Used in Boundary Lubrication of Magnetic Fluids filmatic bearing of a kind of viscosity |
| JP2017133950A (en) * | 2016-01-28 | 2017-08-03 | 大豊工業株式会社 | Determination device, bearing test device, and vehicle |
| CN108444711A (en) * | 2018-05-04 | 2018-08-24 | 上海应用技术大学 | A kind of vibration test system of the adjustable magnetic fluid bearing of viscosity |
-
2018
- 2018-10-19 CN CN201811224000.4A patent/CN109238699A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1647351A (en) * | 2002-02-19 | 2005-07-27 | 洛克威尔科学许可有限公司 | Electrical generator with ferrofluid bearings |
| JP2004361102A (en) * | 2003-06-02 | 2004-12-24 | Ono Sokki Co Ltd | Chassis dynamometer |
| CN102095548A (en) * | 2010-12-03 | 2011-06-15 | 西安交通大学 | All-around lubricating film pressure wireless monitoring method of liquid sliding bearing |
| CN204284455U (en) * | 2014-11-04 | 2015-04-22 | 南京工业大学 | Magnetic fluid dynamic pressure lubrication mechanical sealing device |
| CN204716758U (en) * | 2015-03-23 | 2015-10-21 | 太原科技大学 | The adjustable Used in Boundary Lubrication of Magnetic Fluids filmatic bearing of a kind of viscosity |
| JP2017133950A (en) * | 2016-01-28 | 2017-08-03 | 大豊工業株式会社 | Determination device, bearing test device, and vehicle |
| CN108444711A (en) * | 2018-05-04 | 2018-08-24 | 上海应用技术大学 | A kind of vibration test system of the adjustable magnetic fluid bearing of viscosity |
Non-Patent Citations (1)
| Title |
|---|
| 胡瑞: "磁流微循环润滑控制理论及其磁膜特性研究", 《中国博士学位论文全文数据库 工程科技Ⅱ辑》 * |
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| 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 | ||
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Application publication date: 20190118 |