CN111122163A - Bearing fault detection system - Google Patents
Bearing fault detection system Download PDFInfo
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- CN111122163A CN111122163A CN201911406977.2A CN201911406977A CN111122163A CN 111122163 A CN111122163 A CN 111122163A CN 201911406977 A CN201911406977 A CN 201911406977A CN 111122163 A CN111122163 A CN 111122163A
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- 230000009286 beneficial effect Effects 0.000 description 2
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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
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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Abstract
The invention discloses a bearing fault detection system, which comprises a radio recorder, a wav format converter, an oscilloscope and a console, wherein the console is electrically connected with the radio recorder to realize the control on the on or off of the radio recorder, and comprises a display module and a communication module; the radio recorder comprises a microphone and a sound level meter for collecting sound data and forming sound information; the wav format converter is used for converting the sound information into a wav format file; the oscilloscope is used for converting the wav format file into a data frequency spectrum; the input module is used for inputting detection information; the communication module is used for receiving the detection information, the sound information, the wav format file and the data spectrum and sending the detection information, the sound information, the wav format file and the data spectrum to corresponding equipment; and the display module is used for receiving and displaying the data frequency spectrum and the detection information. The bearing condition in the complete machine is effectively detected and judged, and meanwhile, the volume is small, and the carrying and the use are convenient.
Description
Technical Field
The invention relates to the technical field of bearing detection, in particular to a bearing fault detection system.
Background
The bearing is used as an important component of the rotating machine, and the running state of the bearing is directly related to the quality of the machine. However, bearing faults are difficult to identify due to the limitation of the distribution position and installation of the bearings in the whole machine. At present, bearing manufacturers identify bearing faults and judge whether the bearings are good or not mainly through vibration acceleration, however, a vibration acceleration measuring instrument is heavy in whole machine and not easy to carry, and great difficulty is brought to field detection.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bearing fault detection system which can effectively detect and judge the condition of a bearing in a whole machine, and is small in size and convenient to carry and use.
The invention provides a bearing fault detection system, which comprises a radio recorder, a wav format converter, an oscilloscope and a console, wherein the console is electrically connected with the radio recorder to realize the control of the opening or closing of the radio recorder;
the radio recorder comprises a microphone and a sound level meter, wherein the microphone is used for collecting sound in the environment; the sound level meter is used for receiving the detection information, controlling the microphone to be turned on or off according to the duration information, processing sound data collected by the microphone according to the waveband information, forming sound information and sending the sound information to the console communication module;
the wav format converter is used for receiving the sound information, converting the sound information into a wav format file and sending the wav format file to the communication module;
the oscilloscope is used for receiving the wav format file, converting the wav format file into a data frequency spectrum and sending the data frequency spectrum to the communication module;
the input module is used for inputting detection information, the detection mode comprises duration information and wave band information, and the detection information is sent to the communication module and the display module;
the communication module is used for receiving the detection information, the sound information, the wav format file and the data frequency spectrum, sending the detection information to the recorder, sending the sound information to the wav format converter, sending the wav format file to the oscilloscope and sending the data frequency spectrum to the display module;
the display module is used for receiving the data frequency spectrum and the detection information and displaying the data frequency spectrum and the detection information.
The invention is further arranged that the console further comprises a processing module, and the input module is also used for inputting a target waveband and sending the target waveband to the processing module; the communication module is used for sending the data frequency spectrum to the processing module; the processing module is used for receiving the data frequency spectrum and the target wave band, positioning to a corresponding position in the data frequency spectrum according to the target wave band, amplifying and producing a target wave band diagram, sending the target wave band diagram to the display module, and the display module receives and displays the target wave band diagram.
The invention is further configured that the processing module is further configured to send the target band diagram to the input module, and the input module is further configured to receive the target band diagram and is configured to input the determination information on the target band diagram.
The beneficial effect who so sets up is: by adopting the scheme, the microphone is used for recording external audio information, namely, the microphone is used for recording sound when the microphone is close to a position where a bearing works, the detection information input by the input module can limit the recording time length through the time length information, meanwhile, the wave band for collecting the sound can be set through the wave band information, the influence of noise is effectively reduced, the use effect of the system is improved, the detection information is sent to the WAV format converter through the communication module after the sound information is collected, the WAV format converter adopts hardware equipment and can also be sent to a conversion website in a network through the communication module for direct conversion, for example, the https:// cn.office-converter.com/converter-to-WAV website is converted into a WAV format file and then sent to the oscilloscope through the communication module, the oscilloscope can adopt DASP software of the Oriental prefecture, simple operation is convenient, thereby generate the data frequency spectrum, and show at the display module, thereby the user can be swift observe the judgement, whether there is unusual peak value in observing corresponding wave band promptly, then break down if there is, it is normal not then to operate, the frequency is mostly located between low frequency position and the target wave band, explain that the bearing is in critical state, further input module sets up the target interval, processing module is according to the target wave band, the direct positioning, can observe more carefully, can mark judgement information simultaneously, avoid forgetting, whole system function is comprehensive, it is convenient to detect, and is convenient to carry, effectively detect the judgement to the bearing condition in the complete machine.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present invention.
Detailed Description
Fig. 1 discloses a bearing fault detection system, which includes a radio recorder 201, a wav format converter 202, an oscilloscope 203 and a console 1, wherein the console 1 is electrically connected to the radio recorder 201 to control the on or off of the radio recorder 201, the console 1 includes a display module 101 and a communication module 103, and the input module 102, the display module 101, the communication module 103, the oscilloscope 203, the wav format converter 202 and the radio recorder 201 are in communication connection with each other;
the recorder 201 comprises a microphone and a sound level meter, wherein the microphone is used for collecting sound in the environment; the sound level meter is used for receiving the detection information, controlling the microphone to be turned on or off according to the duration information, processing sound data collected by the microphone according to the waveband information, forming sound information and sending the sound information to the communication module 103 of the console 1;
the wav format converter 202 is configured to receive the sound information, convert the sound information into a wav format file, and send the wav format file to the communication module 103;
the oscilloscope 203 is configured to receive the wav format file, convert the wav format file into a data spectrum, and send the data spectrum to the communication module 103;
the input module 102 is configured to input detection information, where the detection mode includes duration information and band information, and send the detection information to the communication module 103 and the display module 101;
the communication module 103 is configured to receive detection information, sound information, a wav format file, and a data spectrum, send the detection information to the recorder 201, send the sound information to the wav format converter 202, send the wav format file to the oscilloscope 203, and send the data spectrum to the display module 101;
the display module 101 is configured to receive the data spectrum and the detection information, and display the data spectrum and the detection information.
The console 1 further includes a processing module 104, and the input module 102 is further configured to input a target band and send the target band to the processing module 104; the communication module 103 is configured to send the data spectrum to the processing module 104; the processing module 104 is configured to receive the data spectrum and the target band, position the data spectrum to a corresponding position according to the target band, amplify a production target band diagram, and send the target band diagram to the display module 101, where the display module 101 receives and displays the target band diagram.
The processing module 104 is further configured to send the target band diagram to the input module 102, and the input module 102 is further configured to receive the target band diagram, and is configured to input the determination information on the target band diagram.
The beneficial effect who so sets up is: by adopting the scheme, the external audio information is recorded through the microphone, namely, the sound is recorded at the position close to the bearing, the detection information input by the input module 102 can limit the recording time length through the time length information, meanwhile, the wave band for collecting the sound can be set through the wave band information, the influence of noise is effectively reduced, the use effect of the system is improved, the detection information is sent to the WAV format converter 202 through the communication module 103 after the sound information is collected, the WAV format converter 202 adopts hardware equipment and can also be sent to a conversion website in the network through the communication module 103 for direct conversion, for example, the https:// cn. office-converter. com/converter-to-WAV website is converted into a WAV format file and then sent to the oscilloscope 203 through the communication module 103, the oscilloscope 203 can adopt DASP software of east Beijing, simple operation is convenient, thereby generate the data frequency spectrum, and show at display module 101, thereby the user can be swift observe the judgement, whether there is unusual peak value in observing corresponding wave band promptly, have then break down, do not then operate normally, the frequency is mostly located between low frequency position and the target wave band, explain that the bearing is in critical state, further input module 102 sets up the target interval, processing module 104 is according to the target wave band, the direct positioning, can observe more carefully, can mark judgement information simultaneously, avoid forgetting, whole system function is comprehensive, it is convenient to detect, and is convenient to carry, effectively detect the bearing condition in the complete machine and judge.
The above-mentioned embodiments are only preferred embodiments of the present invention, and therefore, the scope of the present invention should not be limited by the above-mentioned embodiments, and therefore, equivalent changes, such as equivalent products using similar processes and similar structures, made by the claims of the present invention, are also included in the scope of the present invention.
Claims (3)
1. A bearing fault detection system is characterized in that: the control console is electrically connected with the recorder to realize the control of the opening or closing of the recorder, and comprises a display module and a communication module, wherein the input module, the display module, the communication module, the oscilloscope, the wav format converter and the recorder are respectively in communication connection;
the radio recorder comprises a microphone and a sound level meter, wherein the microphone is used for collecting sound in the environment; the sound level meter is used for receiving the detection information, controlling the microphone to be turned on or off according to the duration information, processing sound data collected by the microphone according to the waveband information, forming sound information and sending the sound information to the console communication module;
the wav format converter is used for receiving the sound information, converting the sound information into a wav format file and sending the wav format file to the communication module;
the oscilloscope is used for receiving the wav format file, converting the wav format file into a data frequency spectrum and sending the data frequency spectrum to the communication module;
the input module is used for inputting detection information, the detection mode comprises duration information and wave band information, and the detection information is sent to the communication module and the display module;
the communication module is used for receiving the detection information, the sound information, the wav format file and the data frequency spectrum, sending the detection information to the recorder, sending the sound information to the wav format converter, sending the wav format file to the oscilloscope and sending the data frequency spectrum to the display module;
the display module is used for receiving the data frequency spectrum and the detection information and displaying the data frequency spectrum and the detection information.
2. The bearing fault detection system of claim 1, wherein: the console also comprises a processing module, and the input module is also used for inputting a target waveband and sending the target waveband to the processing module; the communication module is used for sending the data frequency spectrum to the processing module; the processing module is used for receiving the data frequency spectrum and the target wave band, positioning to a corresponding position in the data frequency spectrum according to the target wave band, amplifying and producing a target wave band diagram, sending the target wave band diagram to the display module, and the display module receives and displays the target wave band diagram.
3. The bearing fault detection system of claim 2, wherein: the processing module is further configured to send the target band diagram to the input module, and the input module is further configured to receive the target band diagram and input the determination information on the target band diagram.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887606 | 2019-09-19 | ||
| CN2019108876064 | 2019-09-19 |
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| CN111122163A true CN111122163A (en) | 2020-05-08 |
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| US20020108444A1 (en) * | 2000-12-06 | 2002-08-15 | Nsk Ltd. | Apparatus and method for evaluating rotational accuracy of rolling bearing and rolling bearing evaluated by the rotational accuracy evaluation method, and apparatus and method for radial vibration of rotating body and rotation unit with rotating body evaluated by the radial vibration evaluation method |
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| CN105676267A (en) * | 2016-01-15 | 2016-06-15 | 广西大学 | Strain type rockburst early warning method based on acoustic signal spectral analysis |
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| CN106771455A (en) * | 2016-12-29 | 2017-05-31 | 福建利利普光电科技有限公司 | It is a kind of that the method that waveform details is amplified is realized on touch oscillograph |
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2019
- 2019-12-31 CN CN201911406977.2A patent/CN111122163A/en active Pending
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| US4493042A (en) * | 1979-04-16 | 1985-01-08 | Mitsubishi Denki Kabushiki Kaisha | Bearing failure judging apparatus |
| US20020108444A1 (en) * | 2000-12-06 | 2002-08-15 | Nsk Ltd. | Apparatus and method for evaluating rotational accuracy of rolling bearing and rolling bearing evaluated by the rotational accuracy evaluation method, and apparatus and method for radial vibration of rotating body and rotation unit with rotating body evaluated by the radial vibration evaluation method |
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Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Applicant after: C&U Co.,Ltd. Applicant after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Applicant before: C & U Group Ltd. Applicant before: SHANGHAI C&U GROUP Co.,Ltd. |
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Application publication date: 20200508 |