CN114034480A - Flywheel vibration signal acquisition and processing device and method and electronic equipment - Google Patents
Flywheel vibration signal acquisition and processing device and method and electronic equipment Download PDFInfo
- Publication number
- CN114034480A CN114034480A CN202111315502.XA CN202111315502A CN114034480A CN 114034480 A CN114034480 A CN 114034480A CN 202111315502 A CN202111315502 A CN 202111315502A CN 114034480 A CN114034480 A CN 114034480A
- Authority
- CN
- China
- Prior art keywords
- vibration
- signal
- vibration signal
- module
- 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
Images
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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- 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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides a flywheel vibration signal acquisition and processing device, a method and electronic equipment, and relates to the technical field of signal acquisition, wherein the device comprises a plurality of acceleration sensors, a data acquisition card and an upper computer system which are connected in sequence, wherein the acceleration sensors are arranged on a flywheel body; the acceleration sensor is used for acquiring vibration data of the flywheel body and sending the vibration data to the data acquisition card; the data acquisition card is used for receiving the vibration data, performing analog-to-digital conversion on the vibration data to obtain a vibration signal and sending the vibration signal to the upper computer system; and the upper computer system is used for receiving the vibration signal and processing the vibration signal. The vibration value and the spectrum information of the flywheel can be displayed in real time, so that the vibration data of the flywheel in operation can be rapidly and efficiently obtained, and the operation state of the flywheel body can be monitored in real time.
Description
Technical Field
The invention relates to the technical field of signal acquisition, in particular to a flywheel vibration signal acquisition and processing device and method and electronic equipment.
Background
With the progress of science and technology, industrial production needs more stable manufacturing equipment, and meanwhile, stable information of equipment operation is required to be acquired in real time. In the prior art, a vibration sensor is usually required to be additionally arranged on equipment for a flywheel vibration signal acquisition and processing device, and vibration information is displayed through a vibration meter arranged on the sensor, so that the running stability of the equipment is monitored.
However, the device cannot transmit data to an upper computer system in real time, so that spectrum analysis cannot be realized, and vibration spectrum information of equipment which needs to acquire flywheel vibration signals cannot be obtained.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a flywheel vibration signal acquisition and processing apparatus, a method and an electronic device, which can effectively upload a vibration signal to an upper computer system, so that the upper computer system can perform data processing on the vibration signal, can perform real-time monitoring on an operation state of a flywheel body, and perform protection control according to the data.
In a first aspect, an embodiment of the present invention provides a flywheel vibration signal acquisition and processing device, where the device includes a plurality of acceleration sensors, a data acquisition card, and an upper computer system, which are connected in sequence, where the plurality of acceleration sensors are installed on a flywheel body; the acceleration sensor is used for acquiring vibration data of the flywheel body and sending the vibration data to the data acquisition card; the data acquisition card is used for receiving the vibration data, performing analog-to-digital conversion on the vibration data to obtain a vibration signal, and sending the vibration signal to an upper computer system; the upper computer system is used for receiving the vibration signals and processing the vibration signals.
The upper computer system comprises a filtering and noise reducing module, a spectrum analysis module and a display module; the filtering and denoising module is used for receiving the vibration signal, filtering and denoising the vibration signal, and respectively sending the vibration signal after filtering and denoising to the display module and the spectrum analysis module; the display module is used for receiving the vibration signal after filtering and denoising and displaying the vibration signal; the frequency spectrum analysis module is used for receiving the vibration signal after filtering and denoising, and carrying out fast Fourier transform transformation processing on the vibration signal to obtain a frequency spectrum signal.
The upper computer system also comprises a signal extraction module, a calculation module and a storage module; the signal extraction module is used for receiving the frequency spectrum signals, extracting the signals from the frequency spectrum signals according to a preset time interval to obtain extraction signals, and respectively sending the extraction signals to the calculation module and the storage module; the storage module is used for receiving the extraction signal and storing the extraction signal according to the preset signal characteristics; wherein the preset signal characteristics comprise time characteristics and frequency characteristics; the computing module is used for receiving the extracted signal, counting the amplitude information and the main frequency information in the extracted signal, and sending the amplitude information and the main frequency information to the storage module for storage.
The upper computer system also comprises a spectrogram drawing module; the spectrogram drawing module is used for receiving the extraction signal, drawing a spectrogram of the extraction signal to obtain a spectrogram, sending the spectrogram to the display module for displaying, and sending the spectrogram to the storage module for storing.
The spectrogram is stored in a JPG format, and the magnitude information and the dominant frequency information are stored in an xls format.
The data acquisition card is formed by integrating a plurality of analog-to-digital conversion modules, wherein the number of the analog-to-digital conversion modules is the same as that of the acceleration sensors, and each acceleration sensor is connected with the corresponding analog-to-digital conversion module on the data acquisition card.
The data acquisition card is connected with the upper computer system through a USB interface.
The spectrogram is stored in a JPG format, and the magnitude information and the dominant frequency information are stored in an xls format.
In a second aspect, an embodiment of the present invention provides a flywheel vibration signal acquisition and processing method, where the method is applied to the flywheel vibration signal acquisition and processing device, the device includes a plurality of acceleration sensors, a data acquisition card, and an upper computer system, which are connected in sequence, where the plurality of acceleration sensors are installed on a flywheel body; the method comprises the following steps: the acceleration sensor collects vibration data of the flywheel body and sends the vibration data to the data acquisition card; the data acquisition card receives vibration data, performs analog-to-digital conversion on the vibration data to obtain a vibration signal, and sends the vibration signal to an upper computer system; the upper computer system receives the vibration signal and performs signal processing on the vibration signal.
In a third aspect, an embodiment of the present invention further provides an electronic device, where the electronic device includes a processor and a memory, where the memory stores computer-executable instructions that can be executed by the processor, and the processor executes the computer-executable instructions to implement the foregoing method.
In a fourth aspect, the embodiments of the present invention also provide a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are called and executed by a processor, the computer-executable instructions cause the processor to implement the above-mentioned method.
The embodiment of the invention brings the following beneficial effects:
the embodiment of the invention provides a flywheel vibration signal acquisition and processing device, a method and electronic equipment, wherein the flywheel vibration signal acquisition and processing device comprises: the device comprises a plurality of acceleration sensors, a data acquisition card and an upper computer system which are connected in sequence, wherein the acceleration sensors are arranged on a flywheel body to acquire vibration data of the flywheel body, the vibration data are transmitted to the data acquisition card and then subjected to analog-to-digital conversion to obtain vibration signals, and the signal processing is completed by the upper computer system, so that the vibration signals can be acquired in real time and processed in the running process of the flywheel by utilizing the flywheel vibration signal acquisition and processing device, the vibration value and frequency spectrum information of the flywheel can be displayed in real time by the flywheel vibration signal acquisition and processing device, the problems that the vibration data cannot be transmitted to the upper computer system in real time in the prior art, the frequency spectrum analysis cannot be realized, the vibration frequency spectrum information of the flywheel cannot be obtained are effectively solved, and the rapid and efficient acquisition of the vibration data in the running of the flywheel can be facilitated, and monitoring the running state of the flywheel body in real time, and performing protection control according to the data.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a flywheel vibration signal acquisition and processing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper computer system according to an embodiment of the present invention;
fig. 3 is a system interface diagram of an upper computer system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another flywheel vibration signal acquisition and processing device according to an embodiment of the present invention;
FIG. 5 is a flowchart of a flywheel vibration signal acquisition and processing method according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Icon: 00-flywheel body; 10-an acceleration sensor; 20-a data acquisition card; 21-an analog-to-digital conversion module; 30-an upper computer system; 31-a filtering noise reduction module; 32-a spectral analysis module; 33-a display module; 34-a signal extraction module; 35-a calculation module; 36-a storage module; 37-spectrogram drawing module; 120-a memory; 121-a processor; 122-a bus; 123-communication interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The present embodiment provides a flywheel vibration signal collecting and processing device, wherein, referring to a schematic structural diagram of a flywheel vibration signal collecting and processing device shown in fig. 1, as shown in fig. 1, the flywheel vibration signal collecting and processing device includes: the device comprises a plurality of acceleration sensors 10, a data acquisition card 20 and an upper computer system 30 which are connected in sequence, wherein the acceleration sensors 10 are arranged on a flywheel body; the acceleration sensor 10 is used for acquiring vibration data of the flywheel body and sending the vibration data to the data acquisition card 20; the data acquisition card 20 is used for receiving the vibration data, performing analog-to-digital conversion on the vibration data to obtain a vibration signal, and sending the vibration signal to the upper computer system 30; the upper computer system 30 is used for receiving the vibration signal and processing the vibration signal.
As shown in fig. 1, 4 acceleration sensors are shown as an example for explanation, and the number of acceleration sensors may be set according to actual needs in actual use, and is not limited herein.
According to the flywheel vibration signal acquisition processing device provided by the embodiment, an acceleration sensor and a data acquisition card can be only required to be additionally arranged on the flywheel body, the original vibration data of the flywheel is received through data, the vibration data is subjected to analog-to-digital conversion processing to obtain the vibration signal, the vibration signal is transmitted to an upper computer system at a high speed, the extracted vibration value and the extracted frequency spectrum information of the flywheel can be displayed in real time, the vibration data in the running process of the flywheel can be rapidly and efficiently obtained, the running state of the flywheel body is monitored in real time, and protection control is carried out according to the data.
For easy understanding, fig. 2 shows a schematic structural diagram of an upper computer system, which includes, as shown in fig. 2, a filtering and noise reducing module 31, a spectrum analyzing module 32, and a display module 33; the filtering and denoising module 31 is configured to receive the vibration signal, perform filtering and denoising processing on the vibration signal, and send the filtered and denoised vibration signal to the display module 33 and the spectrum analysis module 32, respectively; the display module 33 is configured to receive the filtered and denoised vibration signal and display the vibration signal; the spectrum analysis module 32 is configured to receive the filtered and denoised vibration signal, and perform transform processing of fast fourier transform on the vibration signal to obtain a spectrum signal.
The filtering and noise reduction processing related to the present application may be implemented by using a limiting filtering method, a median filtering method, an arithmetic mean filtering method, a recursive mean filtering method, or the like, to filter and noise reduce the acquired vibration data, and a suitable method may be selected according to actual needs, which is not specifically limited herein.
As shown in fig. 2, the upper computer system further includes a signal extraction module 34, a calculation module 35, and a storage module 36; the signal extraction module 34 is configured to receive the spectrum signal, extract a signal from the spectrum signal according to a preset time interval to obtain an extracted signal, and send the extracted signal to the calculation module 35 and the storage module 36 respectively; the storage module 36 is configured to receive the extracted signal, and store the extracted signal according to a preset signal characteristic; the preset signal characteristics comprise time characteristics and frequency characteristics; the calculating module 35 is configured to receive the extracted signal, count amplitude information and main frequency information in the extracted signal, and send the amplitude information and the main frequency information to the storing module 36 for storage.
As shown in fig. 2, the upper computer system further includes a spectrogram drawing module 37; the spectrogram drawing module 37 is configured to receive the extracted signal, perform spectrogram drawing on the extracted signal to obtain a spectrogram, send the spectrogram to the display module 33 for display, and send the spectrogram to the storage module 36 for storage.
In this embodiment, the spectrogram is stored in a JPG format, and the amplitude information and the dominant frequency information are stored in an xls format.
In this embodiment, after the low-pass filtering and noise reduction of the vibration signal are implemented by the above-mentioned module included in the upper computer system, the main frequency and amplitude of each vibration signal are calculated by performing spectrum analysis through Fast Fourier Transform (FFT), and finally, the main frequency and amplitude are analyzed by the waveform and spectrum of the vibration displayed on the display module, and the related data are synchronously stored in the storage module.
The FFT is a fast algorithm of Discrete Fourier Transform (DFT), has a significant advantage of small calculation amount, can overcome the calculation barrier of the interconversion between the time domain and the frequency domain, has wide application in digital signal processing and the like, and is a very important algorithm in digital signal processing, so that the FFT is used for performing spectrum analysis on the filtered vibration signal in the embodiment of the present application.
For ease of understanding, fig. 3 shows a system interface diagram of an upper computer system, as shown in fig. 3, wherein the software interface is divided into an upper control area and a lower graphic display area. The top control area can be convenient for the user to control the signal extraction module, conveniently extract the vibration data of different intervals, and remark the content such as rotational speed, picture name. The recording amplitude value can also be set to record the frequency spectrum signal obtained by the frequency spectrum analysis module.
The control area is divided into a left control area on the left side of the control area and a right control area on the right side of the control area. The first row of the left control area sequentially comprises date character string display, time character string display, data record annotation display, recording time interval display, interval input setting and rotating speed record remarks from left to right, wherein the time unit of the recording time interval display is s, the interval unit of the interval input setting is Hz, the default value can be preset to 1, the data storage is represented when the rotating speed interval is 60rpm, and the rotating speed record remarks store the file name remarks according to the rotating speed;
the second row of the left control area sequentially comprises an extraction sampling starting point input setting, an extraction sampling length input setting, a sampling starting point display, an extraction sampling length display, a sampling end point display and a picture remark from left to right, wherein the sampling setting aims to extract a proper vibration signal and is calculated by spectrum analysis, a default value of the starting point input setting can be preset to 1, a default value of the extraction sampling length input setting can be preset to 150, and the picture remark stores the file name remark according to the picture;
a third row of the left control area sequentially comprises an extracted main frequency pull-down menu, an extracted main frequency display, a rotating speed display, a display sampling starting point input setting, a display sampling length input setting and an FFT data remark from left to right, wherein the unit of the rotating speed display is rpm, and the FFT data remark stores a file name remark according to FFT data;
the fourth row of the left control area sequentially comprises a main program circular display, an indicator lamp, a program stop button and an FFTHz data remark from left to right, wherein the main program circular display is used for representing the program running times, the indicator lamp is used for displaying the program running state, the display lamp is normally on when the program runs normally, and the FFTHz data remark stores a file name remark according to the FFT data and the rotating speed;
the first column of the right control area is used for recording amplitude input setting and a main frequency value of six vibration signals, wherein when the maximum amplitude exceeds the input value, the recording amplitude input setting can automatically store data;
the second column of the right control area is maximum amplitude display and the main frequency amplitude of six vibration signals;
the third column of the right control area is provided with an image recording lamp, a oscillogram recording button, an FFT line spacing and a line spacing switch from top to bottom in sequence; the line spacing has the main function of separating the frequency spectrum graphs of different paths of signals on the FFT graph;
the fourth column of the right control area is provided with a rotating speed data recording switch, an FFT graph recording button, an FFT data recording switch and an FFTHz data recording switch from top to bottom in sequence;
the fifth column of the right control area is displayed as a data storage path;
the graphic display area below the interface is divided into a left display frame and a right display frame; the left display frame is used for displaying the waveform of a vibration original signal obtained by signal extraction of the signal extraction module according to a preset time interval, the display graph is a vibration time domain waveform graph, the horizontal axis is time, the unit is s, the vertical axis is amplitude, and the unit is mm; the right display frame is used for displaying an FFT spectrogram which is subjected to fast Fourier transform and conversion processing on the vibration signal after the filtering and noise reduction by the frequency spectrum analysis module, the display graph is a frequency domain oscillogram of vibration, the horizontal axis is frequency, the unit is Hz, the vertical axis is amplitude, the unit is mm, and a signal selection pull-down menu is arranged at the upper end of the right display frame and can be used for selecting and displaying the frequency spectrum of a certain signal or all signals.
The display module in the upper computer system is used for outputting and displaying the system interface diagram of the upper computer system; and the storage module in the upper computer system is used for storing the system interface diagram content of the upper computer system.
For convenience of understanding, on the basis of fig. 1, fig. 4 shows a schematic structural diagram of another flywheel vibration signal acquisition and processing device, as shown in fig. 4, wherein the data acquisition card 20 is formed by assembling a plurality of analog-to-digital conversion modules 21, the number of the analog-to-digital conversion modules 21 is the same as that of the acceleration sensors 10, and each acceleration sensor 10 is connected to a corresponding analog-to-digital conversion module 21 on the data acquisition card 20.
As shown in fig. 4, the number of the analog-to-digital conversion modules 21 is also shown by taking 4 as an example, so as to ensure that each acceleration sensor 10 is connected with the corresponding analog-to-digital conversion module 21 for communication, and the acceleration sensors 10 are attached to different positions of the flywheel body 00 to collect vibration signals of each part of the flywheel body 00.
In actual use, the data acquisition card is connected to the upper computer system through a USB (Universal Serial Bus) interface.
The invention also provides a signal acquisition and processing method corresponding to the embodiment of the flywheel vibration signal acquisition and processing device, which is applied to the flywheel vibration signal acquisition and processing device and comprises a plurality of acceleration sensors, a data acquisition card and an upper computer system which are sequentially connected, wherein the acceleration sensors are arranged on a flywheel body; fig. 5 shows a flowchart of a flywheel vibration signal acquisition and processing method, and as shown in fig. 5, the steps of the method include:
step S501, an acceleration sensor collects vibration data of the flywheel body and sends the vibration data to the data acquisition card;
step S502, the data acquisition card receives the vibration data, performs analog-to-digital conversion on the vibration data to obtain a vibration signal, and sends the vibration signal to the upper computer system;
and S503, the upper computer system receives the vibration signal and processes the vibration signal.
The embodiment of the invention provides a flywheel vibration signal acquisition and processing device, wherein the flywheel vibration signal acquisition and processing device comprises: the device comprises a plurality of acceleration sensors, a data acquisition card and an upper computer system which are connected in sequence, wherein the acceleration sensors are arranged on a flywheel body to acquire vibration data of the flywheel body, the vibration data are transmitted to the data acquisition card and then subjected to analog-to-digital conversion to obtain vibration signals, and the signal processing is completed by the upper computer system, so that the vibration signals can be acquired in real time and processed in the running process of the flywheel by utilizing the flywheel vibration signal acquisition and processing device, the vibration value and frequency spectrum information of the flywheel can be displayed in real time by the flywheel vibration signal acquisition and processing device, the problems that the vibration data cannot be transmitted to the upper computer system in real time in the prior art, the frequency spectrum analysis cannot be realized, the vibration frequency spectrum information of the flywheel cannot be obtained are effectively solved, and the rapid and efficient acquisition of the vibration data in the running of the flywheel can be facilitated, and monitoring the running state of the flywheel body in real time, and performing protection control according to the data.
The flywheel vibration signal acquisition and processing method provided by the embodiment of the invention has the same technical characteristics as the flywheel vibration signal acquisition and processing device provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
An electronic device is further provided in the embodiment of the present application, as shown in fig. 6, which is a schematic structural diagram of the electronic device, where the electronic device includes a processor 121 and a memory 120, the memory 120 stores computer-executable instructions that can be executed by the processor 121, and the processor 121 executes the computer-executable instructions to implement the flywheel vibration signal acquisition and processing method.
In the embodiment shown in fig. 6, the electronic device further comprises a bus 122 and a communication interface 123, wherein the processor 121, the communication interface 123 and the memory 120 are connected by the bus 122.
The Memory 120 may include a high-speed Random Access Memory (RAM) and may also include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 123 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like may be used. The bus 122 may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus 122 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one double-headed arrow is shown in FIG. 6, but that does not indicate only one bus or one type of bus.
The processor 121 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 121. The Processor 121 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory, and the processor 121 reads information in the memory, and completes the steps of the flywheel vibration signal acquisition and processing method of the foregoing embodiment in combination with hardware thereof.
The embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are called and executed by a processor, the computer-executable instructions cause the processor to implement the flywheel vibration signal acquisition and processing method, and specific implementation may refer to the foregoing method embodiment, and details are not described herein again.
The method and apparatus for upgrading software and the computer program product of the electronic device provided in the embodiments of the present application include a computer-readable storage medium storing program codes, where instructions included in the program codes may be used to execute the method described in the foregoing method embodiments, and specific implementations may refer to the method embodiments and are not described herein again.
Unless specifically stated otherwise, the relative steps, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present application.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A flywheel vibration signal acquisition and processing device is characterized by comprising a plurality of acceleration sensors, a data acquisition card and an upper computer system which are connected in sequence, wherein the acceleration sensors are arranged on a flywheel body;
the acceleration sensor is used for acquiring vibration data of the flywheel body and sending the vibration data to the data acquisition card;
the data acquisition card is used for receiving the vibration data, performing analog-to-digital conversion on the vibration data to obtain a vibration signal, and sending the vibration signal to the upper computer system;
and the upper computer system is used for receiving the vibration signal and processing the vibration signal.
2. The device of claim 1, wherein the upper computer system comprises a filtering and noise reduction module, a spectrum analysis module and a display module;
the filtering and denoising module is used for receiving the vibration signal, performing filtering and denoising processing on the vibration signal, and respectively sending the vibration signal after filtering and denoising to the display module and the frequency spectrum analysis module;
the display module is used for receiving the vibration signal after filtering and denoising and displaying the vibration signal;
the frequency spectrum analysis module is used for receiving the vibration signal after filtering and denoising, and carrying out fast Fourier transform transformation processing on the vibration signal to obtain a frequency spectrum signal.
3. The device of claim 2, wherein the upper computer system further comprises a signal extraction module, a calculation module and a storage module;
the signal extraction module is used for receiving the frequency spectrum signals, extracting signals from the frequency spectrum signals according to a preset time interval to obtain extraction signals, and respectively sending the extraction signals to the calculation module and the storage module;
the storage module is used for receiving the extraction signal and storing the extraction signal according to preset signal characteristics; wherein the preset signal characteristics comprise time characteristics and frequency characteristics;
the calculation module is used for receiving the extraction signal, counting the amplitude information and the main frequency information in the extraction signal, and sending the amplitude information and the main frequency information to the storage module for storage.
4. The apparatus of claim 3, wherein the upper computer system further comprises a spectrogram plotting module;
the spectrogram drawing module is used for receiving the extraction signal, drawing a spectrogram of the extraction signal to obtain a spectrogram, sending the spectrogram to the display module for displaying, and sending the spectrogram to the storage module for storing.
5. The apparatus of claim 4, wherein the spectrogram is stored in a JPG format, and the magnitude information and the dominant frequency information are stored in an xls format.
6. The apparatus according to claim 1, wherein said data acquisition card is assembled by a plurality of analog-to-digital conversion modules, wherein the number of analog-to-digital conversion modules is the same as the number of said acceleration sensors, and each of said acceleration sensors is connected to a corresponding mode conversion module on the data acquisition card.
7. The device according to claim 1, wherein the data acquisition card is connected with the upper computer system through a USB interface.
8. A flywheel vibration signal acquisition and processing method is applied to the flywheel vibration signal acquisition and processing device of any one of claims 1 to 7, and the device comprises a plurality of acceleration sensors, a data acquisition card and an upper computer system which are connected in sequence, wherein the acceleration sensors are installed on a flywheel body; the method comprises the following steps:
the acceleration sensor collects vibration data of the flywheel body and sends the vibration data to the data acquisition card;
the data acquisition card receives the vibration data, performs analog-to-digital conversion on the vibration data to obtain a vibration signal, and sends the vibration signal to the upper computer system;
and the upper computer system receives the vibration signal and processes the vibration signal.
9. An electronic device comprising a processor and a memory, the memory storing computer-executable instructions executable by the processor, the processor executing the computer-executable instructions to implement the method of claim 8.
10. A computer-readable storage medium having stored thereon computer-executable instructions that, when invoked and executed by a processor, cause the processor to implement the method of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111315502.XA CN114034480A (en) | 2021-11-08 | 2021-11-08 | Flywheel vibration signal acquisition and processing device and method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111315502.XA CN114034480A (en) | 2021-11-08 | 2021-11-08 | Flywheel vibration signal acquisition and processing device and method and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114034480A true CN114034480A (en) | 2022-02-11 |
Family
ID=80143458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111315502.XA Pending CN114034480A (en) | 2021-11-08 | 2021-11-08 | Flywheel vibration signal acquisition and processing device and method and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114034480A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095573A (en) * | 2009-12-11 | 2011-06-15 | 上海卫星工程研究所 | State monitoring and diagnosis alarm method for mechanical component of satellite borne rotary equipment |
| CN107449508A (en) * | 2017-08-03 | 2017-12-08 | 西南大学 | Automobile vibration fault detection system and detection data analysing method |
| CN109932178A (en) * | 2019-02-01 | 2019-06-25 | 江苏大学 | A kind of multiple strand chain drive failure diagnostic system and method |
| CN111337250A (en) * | 2020-03-17 | 2020-06-26 | 广州大学 | Machine tool state fault diagnosis system and method based on virtual instrument |
| CN112504710A (en) * | 2020-11-23 | 2021-03-16 | 中铁工程装备集团有限公司 | Intelligent vibration state monitoring system and method |
-
2021
- 2021-11-08 CN CN202111315502.XA patent/CN114034480A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095573A (en) * | 2009-12-11 | 2011-06-15 | 上海卫星工程研究所 | State monitoring and diagnosis alarm method for mechanical component of satellite borne rotary equipment |
| CN107449508A (en) * | 2017-08-03 | 2017-12-08 | 西南大学 | Automobile vibration fault detection system and detection data analysing method |
| CN109932178A (en) * | 2019-02-01 | 2019-06-25 | 江苏大学 | A kind of multiple strand chain drive failure diagnostic system and method |
| CN111337250A (en) * | 2020-03-17 | 2020-06-26 | 广州大学 | Machine tool state fault diagnosis system and method based on virtual instrument |
| CN112504710A (en) * | 2020-11-23 | 2021-03-16 | 中铁工程装备集团有限公司 | Intelligent vibration state monitoring system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2985572B1 (en) | Step counting method and apparatus | |
| CN108324271B (en) | Electrocardiosignal identification method and system and electrocardiosignal monitoring equipment | |
| CN108038875B (en) | Lung ultrasonic image identification method and device | |
| KR101987225B1 (en) | Method and apparatus for measuring vr sickness | |
| WO2015087732A1 (en) | Method and system for inspecting rotary machine component by using portal terminal | |
| JP6236402B2 (en) | A system for acquiring vibration signals of rotary motors | |
| CN112967225A (en) | Automatic detection system, method, equipment and medium based on artificial intelligence | |
| CN110969092A (en) | Pulse signal denoising method and device and terminal equipment | |
| CN112665857B (en) | Rolling bearing fault diagnosis method, device, equipment and storage medium | |
| CN109241892B (en) | Instrument panel reading method, instrument panel reading device and electronic equipment | |
| CN111340079A (en) | Mechanical terminal state detection method and device and electronic equipment | |
| CN114034480A (en) | Flywheel vibration signal acquisition and processing device and method and electronic equipment | |
| CN112883765B (en) | Target movement track acquisition method and device, storage medium and electronic equipment | |
| JP2015114224A (en) | Vibration inspection system using portable terminal, and server thereof | |
| Pappa et al. | Multichannel symbolic aggregate approximation intelligent icons: Application for activity recognition | |
| CN114533080B (en) | Method and device for identifying vibration wave of electrocardiosignal data | |
| CN117345680B (en) | Ventilator detection method, ventilator detection device, computer equipment and storage medium | |
| CN110313902B (en) | Blood volume change pulse signal processing method and related device | |
| JP4952277B2 (en) | Waveform measuring device | |
| CN111329481A (en) | Physiological parameter determination method, physiological parameter determination device, physiological parameter detection equipment and medium | |
| CN117091848B (en) | Engine abnormal sound identification method, device and system based on acoustic signals | |
| CN114829895A (en) | Vibration analysis device and vibration measurement system | |
| CN109857973B (en) | Infrared data filtering method and device | |
| CN111028321A (en) | Skin detection method and device and electronic terminal | |
| CN112597974B (en) | Data analysis method and device and electronic equipment |
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 |