CN108351248A - Diagnostic device, diagnostic system, diagnostic method and program - Google Patents
Diagnostic device, diagnostic system, diagnostic method and program Download PDFInfo
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- CN108351248A CN108351248A CN201680066037.1A CN201680066037A CN108351248A CN 108351248 A CN108351248 A CN 108351248A CN 201680066037 A CN201680066037 A CN 201680066037A CN 108351248 A CN108351248 A CN 108351248A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
Abstract
Sound acquisition unit (31) receives the input of the abnormal sound generated in image forming apparatus (20) to obtain voice signal.Frequency analysis portion (32) carries out STFT (Short Time Fourier Transform) to generate frequency spectrum Wave data to acquired voice signal.Control unit (33) shows the frequency spectrum waveform on a touchpad, and on the basis of user's touch operation, receives to the specified of the region of the signal component including abnormal sound in shown frequency spectrum waveform.It includes that frequency component in specified region carries out Fast Fourier Transform (FFT) on time-axis direction that frequency analysis portion (32), which is directed to,.Control unit (33) extracts the information in the period and frequency of abnormal sound from the analysis result of the Fast Fourier Transform (FFT) in frequency analysis portion (32).
Description
Technical field
The present invention relates to diagnostic device, diagnostic system, diagnostic method and programs.
Background technology
Patent document 1 discloses a kind of system, which includes：RAM (random access memory portion) or ROM (read-only storages
Portion), the motion and sound and microphone being stored with when image forming apparatus is operating normally, microphone detection will be from image shape
At the motion and sound generated in device.The system is examined based on the first acoustic information being stored in RAM or ROM, by microphone
The action message of the second sound information and image forming apparatus that measure, it is indicated that the abnormal area of image forming apparatus.
Patent document 2 discloses a kind of image processing apparatus, which includes：Image forming part, the image
Forming portion forms image on printed sheets；And transport unit, the transport unit transmit printed sheets.The image processing apparatus also wraps
It includes：Sound in device is converted into electric signal by sound converter section, the sound converter section；Phonetic analysis portion, the phonetic analysis portion
Analyze the electric signal converted by sound converter section and the component for obtaining each frequency；And output section, the output section are exported by sound
The component for each frequency that sound analysis portion obtains.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2007-079263 bulletins
Patent document 2：Japanese Unexamined Patent Publication 2008-290288 bulletins
Invention content
The problem to be solved in the present invention
At least one embodiment of the present invention is frequency and the week for the sound to be extracted from frequency analysis result
Phase information, the frequency analysis result indicate the time of the intensity distribution of each frequency obtained from the frequency analysis to acoustic information
Variation.
The means solved the problems, such as
[diagnostic device]
[1] at least one embodiment of the invention is a kind of diagnostic device, and the diagnostic device includes：
Acquisition unit, the acquisition unit obtain acoustic information；
First analysis portion, first analysis portion carry out TIME-FREQUENCY ANALYSIS to the acoustic information and generate frequency analysis result
Wave data, the frequency analysis result Wave data indicate the time change of the intensity distribution for each frequency；
Display unit, the display unit show the frequency analysis result Wave data；
Receiving part, the receiving part are received to the area for including frequency component in shown frequency analysis result Wave data
It specifies in domain；
Second analysis portion, second analysis portion analyze the frequency component that the region includes；And
Extraction unit, the extraction unit extract the week of the frequency component from the analysis result provided by second analysis portion
The information of phase and frequency.
[2] according to the diagnostic device described in [1], when predeterminated frequency region below be designated as include frequency component area
When domain, it is specified that receiving part can not receive this.
[3] it according to the diagnostic device described in [1], is designated as including the frequency component in predeterminated frequency region below
The region in the case of, the receiving part can not by second analysis portion carry out it is described analysis or ignorance by described
The analysis result that second analysis portion provides.
[4] according to the diagnostic device described in any one of [1] to [3], the display unit can show on a touchpad by
The frequency analysis result Wave data that first analysis portion generates, and wherein, the receiving part can be based on user
Touch operation on the touch tablet is received to the described specified of the region including the frequency component.
[5] diagnostic device according to any one of [1] to [4], the diagnostic device can also include：Communication unit, should
Communication unit carries out the communication with external device (ED)；
Sending part, the sending part is by the period for the frequency component extracted by the extraction unit and the frequency
Information be sent to the external device (ED) via the communication unit, and
Receiving part, the receiving part are received from the external device (ED) via the communication unit and are generated with by first analysis portion
The corresponding frequency analysis result of the frequency analysis result Wave data data,
Wherein, the display unit can show the frequency analysis result Wave data generated by first analysis portion
With the frequency analysis result received by the receiving part.
[diagnostic system]
[6] at least one embodiment of the invention is diagnostic system, which includes：Diagnostic device, it is described to examine
Disconnected device includes：Acquisition unit, the acquisition unit obtain acoustic information；First analysis portion, first analysis portion to the acoustic information into
Row TIME-FREQUENCY ANALYSIS simultaneously generates frequency analysis result Wave data, which indicates to be directed to each frequency
The time change of the intensity distribution of rate；Display unit, the display unit show the frequency analysis result Wave data；Receiving part, should
Receiving part is received to the specified of the region including frequency component in shown frequency analysis result Wave data；Second analysis
Portion, second analysis portion analyze the frequency component that the region includes；Extraction unit, the extraction unit is from by described second point
The period of the frequency component and the information of frequency are extracted in the analysis result that analysis portion provides；Communication unit, the communication unit carry out with
The communication of external device (ED)；First sending part, first sending part is by the institute for the frequency component extracted by the extraction unit
It states described in the period and the information of frequency is sent to the external device (ED) and receiving part via the communication unit, receiving part warp
It is received and the frequency analysis result waveform number by first analysis portion generation from the external device (ED) by the communication unit
According to the data of corresponding frequency analysis result；
And
Server unit, the server unit include：Storage part, the storage part storage pass through the sound to abnormal sound
Message breath carries out frequency analysis and the data of multiple frequency analysis results that obtain；And second sending part, when from the diagnosis
Device receive the frequency component the period and frequency information when, second sending part is from being stored in the storage part
In the multiple frequency analysis result data in selection and the period of the frequency component and the frequency that are received
The corresponding data of information, and selected data are sent to the diagnostic device.
[diagnostic method]
[7] at least one embodiment of the invention is diagnostic method, which includes：
Obtaining step obtains acoustic information；
First analytical procedure carries out TIME-FREQUENCY ANALYSIS to the acoustic information and generates frequency analysis result waveform number
According to the frequency analysis result Wave data indicates the time change of the intensity distribution of each frequency；
It shows step, shows the frequency analysis result Wave data；
Receiving step receives the finger to the region including frequency component in shown frequency analysis result Wave data
It is fixed；
Second analytical procedure, analysis include the frequency component in the region；And
Extraction step extracts period and the frequency of the frequency component from the analysis result that second analytical procedure provides
The information of rate.
[program]
[8] at least one embodiment of the invention is program, which enables a computer to execute：
Obtaining step obtains acoustic information；
First analytical procedure carries out TIME-FREQUENCY ANALYSIS to the acoustic information and generates frequency analysis result waveform number
According to the frequency analysis result Wave data indicates the time change of the intensity distribution of each frequency；
It shows step, shows the frequency analysis result Wave data；
Receiving step receives the finger to the region including frequency component in shown frequency analysis result Wave data
It is fixed；
Second analytical procedure, analysis include the frequency component in the region；And
Extraction step extracts period and the frequency of the frequency component from the analysis result that second analytical procedure provides
The information of rate.
Advantageous effect
According to the diagnostic device described in [1], it is capable of frequency and the week of the sound to be extracted from frequency analysis result
Phase information, the time of the intensity distribution of each frequency obtained from frequency analysis of the frequency analysis result instruction to acoustic information
Variation.
According to the diagnostic device described in [2], even if can prevent if when predeterminated frequency region below is mistakenly specified
The frequency for the sound only to be extracted and the extraction accuracy of cycle information.
According to the diagnostic device described in [3], even if can prevent if when predeterminated frequency region below is mistakenly specified
The frequency for the sound only to be extracted and the extraction accuracy of cycle information.
According to the diagnostic device described in [4], can be specified including the sound to be extracted by the touch operation of user
The region of frequency component.
According to the diagnostic device described in [5], user is by comparing the obtained frequency to acquired acoustic information point
Analysis result and external device (ED) record the frequency analysis about the acoustic information of device being equal with analysis object apparatus as a result,
The reason of can estimating to generate sound.
According to the diagnostic system described in [6], it is capable of frequency and the week of the sound to be extracted from frequency analysis result
Phase information, the time of the intensity distribution of each frequency obtained from frequency analysis of the frequency analysis result instruction to acoustic information
Variation.
According to the diagnostic method described in [7], it is capable of frequency and the week of the sound to be extracted from frequency analysis result
Phase information, the time of the intensity distribution of each frequency obtained from frequency analysis of the frequency analysis result instruction to acoustic information
Variation.
According to the program described in [8], it is capable of the frequency and period letter of the sound to be extracted from frequency analysis result
Breath, the time of the intensity distribution of each frequency obtained from frequency analysis of the frequency analysis result instruction to acoustic information become
Change.
Description of the drawings
[Fig. 1] Fig. 1 is the system diagram of the configuration for the abnormal sound diagnostic system for describing embodiments of the present invention.
[Fig. 2] Fig. 2 is the block diagram of the hardware configuration for the abnormal sound diagnostic device 10 for describing embodiments of the present invention.
[Fig. 3] Fig. 3 is the block diagram of the functional configuration for the abnormal sound diagnostic device 10 for describing embodiments of the present invention.
[Fig. 4] Fig. 4 is the block diagram of the functional configuration for the server unit 50 for describing embodiments of the present invention.
[Fig. 5] Fig. 5 describes the example for the information being stored in the Wave data storage part 53 of Fig. 4.
[Fig. 6] Fig. 6 is the flow chart of the operation for the abnormal sound diagnostic system for illustrating embodiments of the present invention.
[Fig. 7] Fig. 7 describes aobvious when inputting various information as model name, sequence number, mode of operation etc.
The example of the picture for the abnormal sound diagnostic device 10 shown.
[Fig. 8] Fig. 8 instantiates the concept of STFT.
[Fig. 9] Fig. 9 describes the example of the image of the frequency spectrum waveform based on the analysis result obtained by STFT.
[Figure 10] Figure 10 is described when composing waveform to user's frequence of exposure, for promoting the specified estimation of user as abnormal
The example of the picture in the region of sound.
[Figure 11] Figure 11 describes selected by user selected in the example images of frequency spectrum waveform shown in Fig. 10
The example in region 80.
[Figure 12] Figure 12 describes the analysis result example of Fast Fourier Transform (FFT).
[Figure 13] Figure 13 describes the picture example of the abnormal sound diagnostic device 10 of two frequency spectrum waveforms of display.
[Figure 14] Figure 14 is described relative to picture example shown in Figure 13, it is shown that with different abnormal sound reasons
Individual frequency composes the example images of waveform.
Specific implementation mode
Hereinafter, embodiments of the present invention be will be described in detail with reference to the accompanying drawings.
Fig. 1 is the system diagram of the configuration for the abnormal sound diagnostic system for describing embodiments of the present invention.
As shown in Figure 1, the abnormal sound diagnostic system of embodiments of the present invention includes：Such as personal computer, intelligence
Portable abnormal sound diagnostic device 10 and server unit 50 as mobile phone, tablet terminal device etc..
In addition, present invention could apply to any device, such as abnormal sound diagnostic device 10, as long as the device can be via
Communication network is connected to server unit 50.In embodiments, it is tablet terminal dress to describe abnormal sound diagnostic device 10
The example set comprising can such as obtain the microphone of voice signal and the touch of touch input can be carried out by touch tablet
The device of plate.
Abnormal sound diagnostic device 10 is schemed by managing and repairing as example used by end user, such as printer
As the attendant (maintenance personnel) of forming apparatus 20 carries.Abnormal sound diagnostic device 10 is for obtaining image forming apparatus 20
Abnormal sound (abnormal sound) signal of middle generation to carry out frequency analysis to the abnormal sound signal of acquisition, and is shown from clothes
The frequency of the frequency analysis result waveform for the past abnormal sound signal that business device device 50 obtains and the abnormal sound signal of acquisition
Rate analysis result waveform.
Abnormal sound diagnostic device 10 and server unit 50 are via Wireless LAN (local as such as Wi-Fi routers
Net) terminal 30 and Internet communication network 40 be connected to each other and send and receive information.
In addition, when abnormal sound diagnostic device 10 is portable telephone device, smart mobile phone etc., abnormal sound diagnostic device
10 and server unit 50 can be connected to each other via mobile telephone network and send and receive frequency analysis result waveform number
According to.
In the abnormal sound diagnostic system of embodiment, it is assumed that when be arranged end user location be used as object
When generating abnormal sound in the image forming apparatus 20 of electronic device, attendant carries abnormal sound diagnostic device 10 and goes to figure
As 20 location of forming apparatus.Attendant is carried out by using abnormal sound diagnostic device 10 to abnormal caused by record
The abnormal sound of sound diagnoses, to obtain abnormal sound signal, and the reason of point out abnormal sound.
In addition, technically feasible, image forming apparatus 20 is provided with the microphone etc. of sound-recording function, and different generating
It is recorded to abnormal sound by sound-recording function when Chang Shengyin.However, when doing in end user is arranged in image forming apparatus 20
Whens public room etc., for security reasons, image forming apparatus 20 is difficult to that sound-recording function is arranged.
Then, Fig. 2 shows the hardware of the abnormal sound diagnostic device 10 of the abnormal sound diagnostic system of embodiment to match
It sets.
As shown in Fig. 2, abnormal sound diagnostic device 10 includes：It is CPU 11, the memory 12 that can temporarily store data, all
The storage device 13 as flash memory, by the wireless communication with Wireless LAN terminal 30 come sending and receiving data
Input unit 15, display device 16 and microphone 17 as wireless LAN interfaces (IF) 14, such as contact sensor.It constitutes
Element is connected to each other via controlling bus 18.
The abnormal sound diagnostic device 10 of embodiment is provided with touch tablet, wherein the contact for detecting touch location
Sensor is arranged as input unit 15 in display device 16.Display and the input of user are carried out by touch tablet.
CPU 11 executes predetermined process according to the control program being stored in memory 12 or storage device 13, to control
The operation of abnormal sound diagnostic device 10.Furthermore it is possible to download control by Internet communication network 40 or mobile telephone network
Processing procedure sequence is simultaneously supplied to CPU 11.It is alternatively possible to which program to be stored in storage medium as such as CD-ROM and provide
To CPU 11.
Control program is done so that the abnormal sound diagnostic device 10 of embodiment carries out operations described below, to help to take
The reason of business personnel point out abnormal sound.
Fig. 3 is the frame of the functional configuration for the abnormal sound diagnostic device 10 for describing to be realized when executing above-mentioned control program
Figure.
As shown in figure 3, the abnormal sound diagnostic device 10 of embodiment includes：Sound acquisition unit 31, frequency analysis portion 32,
Control unit 33, voice data storage part 34, display unit 35, communication unit 36 and sound playing part 37.
Display unit 35 shows the various data controlled by control unit 33.Communication unit 36 carries out and the service as external device (ED)
The communication of device device 50.Sound playing part 37 plays what recorded voice data etc. and converting thereof into was controlled by control unit 33
Voice signal.
Sound acquisition unit 31 is wherein inputting the exception generated in the image forming apparatus 20 as analysis object apparatus
The sound of sound, and obtain voice signal.
In embodiments, sound acquisition unit 31 is described, is generated in image forming apparatus 20 wherein inputting
The sound of abnormal sound, and obtain voice signal.However, the sound is the example of sound, and the voice signal is acoustic information
Example.
Frequency analysis portion 32 carries out TIME-FREQUENCY ANALYSIS (Time-dependent Frequency to the voice signal that sound acquisition unit 31 obtains
Analysis) and frequency spectrum waveform (frequency analysis result) data are generated, which indicates acquired abnormal sound
The time change of the signal intensity profile of each frequency of signal.
Specifically, frequency analysis portion 32 carries out STFT (Fourier's changes in short-term to the voice signal that sound acquisition unit 31 obtains
Change), to generate frequency spectrum Wave data.STFT is described below.
The frequency spectrum Wave data that storing frequencies analysis portion 32 obtains in voice data storage part 34 of control unit 33, together with
Voice data.Control unit 33 shows the frequency spectrum waveform obtained by the result of STFT on the display unit 35 of touch tablet.
Hereafter, the frequency spectrum waveform shown on the display unit 35 for being used as touch tablet is tracked by finger as user
When being estimated as the touch operation in the region of the signal component of abnormal sound, for example, touch operation of the control unit 33 based on user
It receives to the specified of the region of the shown frequency spectrum waveform of the signal component including the abnormal sound.
Then, control unit 33 indicates that frequency analysis portion 32 executes Fast Fourier Transform (FFT) (1D-FFT (fast Fourier changes
Change)), for the frequency spectrum Wave data that is obtained by frequency analysis portion 32 be designated as include abnormal sound signal point
The frequency component in the region in the region of amount executes frequency analysis on time-axis direction.For this purpose, frequency analysis portion 32 is for including
Frequency component in indicating area carries out Fast Fourier Transform (FFT) on time-axis direction.
Then, control unit 33 extracts abnormal sound from the analysis result of the Fast Fourier Transform (FFT) in frequency analysis portion 32
Period and frequency information.
Include conventional dynamic always in predeterminated frequency low frequency region below in addition, even if when not generating abnormal sound
Make the signal component of sound.For this purpose, even if when predeterminated frequency region below be designated as include abnormal sound signal component
Region when, it is specified that control unit 33 may not also receive this.
In addition, control unit 33 via communication unit 36 by the information of the period of obtained abnormal sound and frequency, together with all
The type information as the model name of image forming apparatus 20 and sequence number and the operation shape for indicating image forming apparatus 20
The operational status information of state is sent to server unit 50.Operational status information can include specifically following information：Colour is beaten
Print or monochromatic printing, duplex printing or single side printing, pattern are scan pattern, printing model or copy mode, Yi Jiyao
The type of the sheet material used.In this way, control unit 33 will be from the frequency spectrum wave obtained by frequency analysis portion 32 via communication unit 36
The information that graphic data obtains is sent to server unit 50.
Server unit 50 stores the abnormal sound by being generated in the device being equal with image forming apparatus 20 to the past
The voice signal of sound carries out frequency analysis and the frequency spectrum Wave data that obtains, together with following information：Original sound data, acquisition
Method etc. when voice data the reason of the mode of operation of device, abnormal sound, for coping with abnormal sound.
It period of abnormal sound that server unit 50 is sent from abnormal sound diagnostic device 10 and is searched in the information of frequency
Rope corresponds to the pass the frequency analysis in frequency analysis portion 32 and the frequency spectrum waveform (second frequency of frequency spectrum Wave data that obtains
The waveform of analysis result) data.Frequency spectrum Wave data that server unit 50 will be seen that, together with as abnormal sound example wave
The information of the voice data of graphic data storage etc. is sent to abnormal sound diagnostic device 10.
Therefore, control unit 33 receives and the frequency point by frequency analysis portion 32 via communication unit 36 from server unit 50
The corresponding frequency spectrum Wave data of frequency spectrum Wave data of analysis and acquisition.
Control unit 33 on display unit 35 display simultaneously by the voice signal to being obtained by sound acquisition unit 31 into line frequency
Rate is analyzed and the frequency spectrum waveform obtained and the frequency spectrum waveform received from server unit 50.
In addition, in the case where sending multiple frequency spectrum Wave datas from server unit 50, control unit 33 is in display unit
It is preferentially shown on 35 very similar more with the frequency spectrum Wave data that is obtained by the frequency analysis in frequency analysis portion 32
The data of a frequency spectrum Wave data.
Then, the server unit 50 in the abnormal sound analysis system of embodiment is described with reference to the block diagram of Fig. 4
Functional configuration.
As shown in figure 4, the server unit 50 of embodiment includes：Communication unit 51, control unit 52 and Wave data are deposited
Storage portion 53.
The storage of Wave data storage part 53 by the past with the image forming apparatus 20 that is equal of analysis object apparatus
The voice signal of the abnormal sound generated in device carries out frequency analysis and multiple frequency spectrum Wave datas for obtaining.
Specifically, as shown in figure 5, the storage of Wave data storage part 53 is directed to the following information of each model：By to pre-
The voice data of the abnormal sound first obtained carries out TIME-FREQUENCY ANALYSIS and the frequency spectrum Wave data, the original sound number that obtain
According to, abnormal sound the reason of, the method etc. for coping with abnormal sound.
When the information in the period and frequency that receive abnormal sound from abnormal sound diagnostic device 10, control unit 52 is based on
The period of received abnormal sound and the information of frequency, from the multiple frequency spectrum waves being stored in Wave data storage part 53
The frequency spectrum Wave data is similar to based on the abnormal sound selection for using abnormal sound diagnostic device 10 to obtain in graphic data
Wave data.Then, selected Wave data is sent to abnormal sound diagnostic device 10 by control unit 52 via communication unit 51.
Then, the operation of the abnormal sound diagnostic system of embodiment is described with reference to the flow chart of Fig. 6.
When diagnosing the reason of abnormal sound is to point out abnormal sound using abnormal sound diagnostic device 10, such as Fig. 7 institutes
The image shown is shown, and various information as model name, sequence number, mode of operation etc. are entered (step
S101)。
Pattern is set as recording mode by abnormal sound diagnostic device 10, with by microphone 17 to having generated exception
Abnormal sound recording near 20 location of image forming apparatus of sound, to obtain voice data (step S102).
In abnormal sound diagnostic device 10, acquired voice data carries out STFT by frequency analysis portion 32, to
Generate the frequency spectrum waveform (step S103) of the time change for the signal intensity profile for indicating each frequency.
As shown in figure 8, STFT is the interior process for carrying out Fourier transformation per the of short duration time, used with being calculated according to time change
In the signal strength of each frequency component.Fig. 9 is described obtains analysis knot by the STFT shown in frequency spectrum waveform image
The waveform example of fruit.
In the example of frequency spectrum waveform shown in Fig. 9, horizontal axis indicates the time, and the longitudinal axis indicates frequency, and passes through color table
Show the intensity of each frequency.In addition, in fig.9, the difference of color is indicated by hatching pattern.In addition, Fig. 9, which is illustrated, passes through color
The case where indicating the intensity of each frequency.However, intensity can also be indicated by gray scale.
In the example of frequency spectrum waveform shown in Fig. 9, it can be seen that periodically generate the frequency of abnormal sound with specific frequency
Rate component 61.In addition, in the example of frequency spectrum waveform shown in Fig. 9, low frequency component is conventional action sound rather than abnormal sound
The frequency component of sound.
When obtaining frequency spectrum waveform as shown in Figure 9, the display frequency on display unit 35 of control unit 33 composes waveform.So
Afterwards, as shown in Figure 10, the picture of display frequency spectrum waveform is presented in control unit 33：Promote user is specified to be estimated as abnormal sound
Region.In the example in Figure 10, it can be seen that the word region of abnormal sound " please specify be considered as " is shown, to promote to use
The specified region for being estimated as abnormal sound in family.
By referring to above-mentioned display, the user for being presented for frequency spectrum waveform points out the frequency component 61 of abnormal sound, example
Such as, operating touchpad come select include the frequency component 61 of abnormal sound region.
Figure 11 describes the example in the selected region 80 selected in this way by user.In the example of fig. 11, it can see
Go out user's 70 operating touchpad of finger, using specified as selected region 80 including abnormal sound multiple frequencies point
The rectangular area of amount 61.
When specifying selected region 80 in this way, for the frequency component being included in selected region 80, frequency
Rate analysis portion 32 carries out Fast Fourier Transform (FFT) (1D-FFT) (step S104).Figure 12 describes the fast Fourier carried out in this way
The analysis result example of transformation.
In fig. 12, detection has carried out period and the frequency of the signal of the frequency component of Fast Fourier Transform (FFT), to point out
The period of abnormal sound and frequency.In addition, since abnormal sound includes overtone component etc., it is thus possible to detect multiple periods.
However, the signal strength strongest period will be detected as the period of abnormal sound.
In addition, macrocyclic signal component more than predetermined period is considered as conventional action sound or irregular cycle
Noise.Therefore, the region including macrocyclic signal component is set as judging exclusionary zone 62 and ignore to judge exclusion zone
Analysis result in domain 62.Optionally, including the region of macrocyclic signal component can not be analyzed by frequency analysis portion 32.
Further, since predeterminated frequency low-frequency signal components below are not distinguished equally from conventional action sound, so will packet
The region for including low-frequency signal components is set as judging exclusionary zone 63 and ignores the analysis result judged in exclusionary zone 63.It is optional
Ground, including the region of low-frequency signal components can not be analyzed by frequency analysis portion 32.
Abnormal sound diagnostic device 10 is by the frequency of abnormal sound obtained from the analysis result as Fast Fourier Transform (FFT)
Rate and cycle information are sent to server unit 50 (step S105) together with type information and operational status information.For example, by different
The information that the frequency of Chang Shengyin is 4kHz and the period of abnormal sound is 2.0 seconds is sent to server unit 50.
Then, the acquisition waveforms data store 53 based on received information of server unit 50 to extraction and is connect
The corresponding frequency spectrum Wave data (step S106) of collection of letters manner of breathing.
Then, server unit 50 by the frequency spectrum Wave data of extraction together with the original of original sound data, abnormal sound
The information such as cause, its countermeasure are sent to abnormal sound diagnostic device 10 (step S107).
Abnormal sound diagnostic device 10 receives the frequency spectrum Wave data (step S108) sent from server unit 50.So
Afterwards, the control unit 33 of abnormal sound diagnostic device 10 shows the frequency spectrum waveform received on display unit 35 and is obtained by STFT
The frequency spectrum waveform (step S109) obtained.
Figure 13 depicts the picture example of the abnormal sound diagnostic device 10 of the two frequency spectrum waveforms shown in this way.
In the picture example of Figure 13, it can be seen that show the frequency spectrum waveform obtained by the STFT in frequency analysis portion 32
It is shown as " the analysis result waveform of the abnormal sound of this recording ", and the frequency spectrum waveform sent from server unit 50 is shown
For " past abnormal sound data ", the reason of together with abnormal sound " photosensitive drums abrasion ".
The attendant for being desired with abnormal sound diagnosis compares two frequency spectrum waveforms and judges the abnormal sound in waveform
Whether cent amount is similar, the reason of to point out abnormal sound.
In addition, when having sent multiple frequency spectrum waveforms from server unit 50, user is tracked by touch operation in water
It square is shown as the image of the frequency spectrum waveform of " past abnormal sound data " upwards, to show that single frequency composes waveform,
As shown in figure 14.
Figure 14 depicts the frequency of the abnormal sound shown when the reason of abnormal sound is " drive system electrical fault "
Compose the example images of waveform.
In this way, when having sent multiple frequency spectrum waveforms, attendant judges the frequency spectrum of the abnormal sound this time obtained
Waveform is more similar to which frequency spectrum waveform, the reason of to point out abnormal sound.In addition, working as the reason of pointing out abnormal sound
When, other than comparison frequency composes the shape of waveform, the period of abnormal sound component and frequency etc., attendant can also listen simultaneously
The abnormal sound relatively this time obtained plays original sound data from the hair of server unit 50 with by using sound playing part 37
The corresponding sound of frequency spectrum waveform sent, the reason of then pointing out abnormal sound.
[modification]
The case where the use of abnormal sound diagnostic device 10 being tablet terminal device, describes embodiment.However, this hair
It is bright without being limited thereto, the case where other devices are used as abnormal sound diagnostic device can also be applied to.For example, if operation panel can
It is releasably installed to main body and has been inserted into the function that voice signal is communicated and obtained with server unit 50, then image is formed
The operation panel of device 20 can be used as abnormal sound diagnostic device.
In addition, by using abnormal sound diagnostic device 10 with built-in microphone 17 the case where, describes embodiment party
Formula.However, when abnormal sound diagnostic device 10 has sound-recording function, it can be by the way that sound as such as microphone be obtained
Device is connected to outside to implement the acquisition unit of voice signal.
In addition, the touch operation by user has been used to be described come specified the case where being estimated as the region of abnormal sound
Embodiment.However, the invention is not limited thereto.When be estimated as the region of abnormal sound by such as by number directly input by
It is specified to be estimated as other methods as the method for the frequency of abnormal sound (this is by pen input come the case where specifying region)
When, the present invention is equally applicable to by the method in the specified region such as mouse action.
In addition, the object apparatus analyzed using abnormal sound describes embodiment the case where being image forming apparatus.
However, the object apparatus of abnormal sound analysis is not limited to image forming apparatus.Present invention can also apply to other devices,
Because the device can make abnormal sound have periodically.
Hereinbefore, it has been described that different embodiments.However, embodiment can combine.
It, can be in addition, the disclosure is not limited to embodiment and in the case where not departing from the main points of the disclosure
Different form is realized.
The application based on submitting on December 14th, 2015 application No. is the Japanese patent application of 2015-243112, in
Appearance is incorporated herein by reference.
Reference sign
10：Abnormal sound diagnostic device
11：CPU
12：Storage part
13：Storage device
14：Wireless LAN interfaces (IF)
15：Input unit
16：Display device
17：Microphone
18：Controlling bus
20：Image forming apparatus
30：Wireless LAN terminal
31：Sound acquisition unit
32：Frequency analysis portion
33：Control unit
34：Voice data storage part
35：Display unit
36：Communication unit
37：Sound playing part
40：Internet communication network
50：Server unit
51：Communication unit
52：Control unit
53：Wave data storage part
61：The frequency component of abnormal sound
62、63：Judge exclusionary zone
70：Finger
80：Selected region
Claims (8)
1. a kind of diagnostic device, the diagnostic device include：
Acquisition unit, the acquisition unit obtain acoustic information；
First analysis portion, first analysis portion carry out TIME-FREQUENCY ANALYSIS to the acoustic information and generate frequency analysis result waveform
Data, the frequency analysis result Wave data indicate the time change of the intensity distribution for each frequency；
Display unit, the display unit show the frequency analysis result Wave data；
Receiving part, the receiving part are received to the region including frequency component in shown frequency analysis result Wave data
It is specified；
Second analysis portion, second analysis portion analyze the frequency component that the region includes；And
Extraction unit, the extraction unit extracted from the analysis result provided by second analysis portion the frequency component period and
The information of frequency.
2. diagnostic device according to claim 1, wherein be designated as including the frequency in predeterminated frequency region below
In the case of the region of rate component, the receiving part does not receive described specified.
3. diagnostic device according to claim 1, wherein be designated as including the frequency in predeterminated frequency region below
In the case of the region of rate component, the receiving part does not carry out the analysis or ignorance by institute by second analysis portion
State the analysis result that the second analysis portion provides.
4. the diagnostic device according to any one of Claim 1-3, wherein the display unit show on a touchpad by
The frequency analysis result Wave data that first analysis portion generates, and
Wherein, the receiving part is received based on touch operation of the user on the touch tablet to the institute including the frequency component
State the described specified of region.
5. diagnostic device according to any one of claims 1 to 4, the diagnostic device further include：
Communication unit, the communication unit carry out the communication with external device (ED)；
Sending part, the sending part is by the institute in the period and the frequency of the frequency component extracted by the extraction unit
It states information and is sent to the external device (ED) via the communication unit, and
Receiving part, the receiving part receive and the institute by first analysis portion generation via the communication unit from the external device (ED)
The data of the corresponding frequency analysis result of frequency analysis result Wave data are stated,
Wherein, the display unit shows the frequency analysis result Wave data generated by first analysis portion and by described
The frequency analysis result that receiving part receives.
6. a kind of diagnostic system, the diagnostic system include：
Diagnostic device, the diagnostic device include：Acquisition unit, the acquisition unit obtain acoustic information；First analysis portion, this first point
Analysis portion carries out TIME-FREQUENCY ANALYSIS to the acoustic information and generates frequency analysis result Wave data, the frequency analysis result waveform
Data indicate the time change of the intensity distribution for each frequency；Display unit, the display unit show the frequency analysis result
Wave data；Receiving part, the receiving part are received in shown frequency analysis result Wave data including frequency component
It specifies in region；Second analysis portion, second analysis portion analyze the frequency component that the region includes；Extraction unit, should
Extraction unit extracts the period of the frequency component and the information of frequency from the analysis result provided by second analysis portion；It is logical
Letter portion, the communication unit carry out the communication with external device (ED)；First sending part, first sending part will be extracted by the extraction unit
The period of the frequency component and the described information of the frequency be sent to the external device (ED) via the communication unit,
And receiving part, the receiving part receive and the institute by first analysis portion generation via the communication unit from the external device (ED)
State the data of the corresponding frequency analysis result of frequency analysis result Wave data；And
Server unit, the server unit include：Storage part, the storage part storage pass through the sound letter to abnormal sound
Breath carries out frequency analysis and the data of multiple frequency analysis results that obtain；And second sending part, when from the diagnostic device
Receive the frequency component the period and the frequency described information when, second sending part is from being stored in described deposit
It is selected in the multiple frequency analysis result data in storage portion and period of the frequency component for being received and described
The corresponding data of described information of frequency, and selected data are sent to the diagnostic device.
7. a kind of diagnostic method, the diagnostic method include：
Obtaining step obtains acoustic information；
First analytical procedure carries out TIME-FREQUENCY ANALYSIS to the acoustic information and generates frequency analysis result Wave data, institute
State the time change that frequency analysis result Wave data indicates the intensity distribution of each frequency；
It shows step, shows the frequency analysis result Wave data；
Receiving step is received to the specified of the region including frequency component in shown frequency analysis result Wave data；
Second analytical procedure, analysis include the frequency component in the region；And
Extraction step extracts from the analysis result that second analytical procedure provides period and the frequency of the frequency component
Information.
8. a kind of program, which enables a computer to execute：
Obtaining step obtains acoustic information；
First analytical procedure carries out TIME-FREQUENCY ANALYSIS to the acoustic information and generates frequency analysis result Wave data, institute
State the time change that frequency analysis result Wave data indicates the intensity distribution of each frequency；
It shows step, shows the frequency analysis result Wave data；
Receiving step is received to the specified of the region including frequency component in shown frequency analysis result Wave data；
Second analytical procedure, analysis include the frequency component in the region；And
Extraction step extracts from the analysis result that second analytical procedure provides period and the frequency of the frequency component
Information.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-243112 | 2015-12-14 | ||
| JP2015243112A JP5954604B1 (en) | 2015-12-14 | 2015-12-14 | Diagnostic device, diagnostic system and program |
| PCT/JP2016/059524 WO2017104146A1 (en) | 2015-12-14 | 2016-03-24 | Diagnostic device, diagnostic system, diagnostic method, and program |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108351248A true CN108351248A (en) | 2018-07-31 |
| CN108351248B CN108351248B (en) | 2020-10-23 |
Family
ID=56418752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680066037.1A Active CN108351248B (en) | 2015-12-14 | 2016-03-24 | Diagnostic device, diagnostic system, diagnostic method, and program |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5954604B1 (en) |
| CN (1) | CN108351248B (en) |
| AU (1) | AU2016370880A1 (en) |
| WO (1) | WO2017104146A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112513893A (en) * | 2018-08-03 | 2021-03-16 | 三菱电机株式会社 | Data analysis device, system, method, and program |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6834223B2 (en) * | 2016-07-29 | 2021-02-24 | 富士ゼロックス株式会社 | Diagnostic equipment, diagnostic systems and programs |
| JP6840971B2 (en) * | 2016-09-21 | 2021-03-10 | 富士ゼロックス株式会社 | Diagnostic equipment, diagnostic systems and programs |
| JP6822036B2 (en) * | 2016-09-21 | 2021-01-27 | 富士ゼロックス株式会社 | Diagnostic equipment, diagnostic systems and programs |
| US11158315B2 (en) | 2019-08-07 | 2021-10-26 | International Business Machines Corporation | Secure speech recognition |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108351248B (en) | 2020-10-23 |
| JP5954604B1 (en) | 2016-07-20 |
| AU2016370880A1 (en) | 2018-05-10 |
| WO2017104146A1 (en) | 2017-06-22 |
| JP2017110919A (en) | 2017-06-22 |
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