CN109580268A - A kind of product abnormal sound, abnormal sound intelligent detecting method - Google Patents
A kind of product abnormal sound, abnormal sound intelligent detecting method Download PDFInfo
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- CN109580268A CN109580268A CN201811576124.9A CN201811576124A CN109580268A CN 109580268 A CN109580268 A CN 109580268A CN 201811576124 A CN201811576124 A CN 201811576124A CN 109580268 A CN109580268 A CN 109580268A
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- circuit
- abnormal sound
- sound
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention relates to product abnormal sound, abnormal sound detection and product sound property detection fields, and in particular to a kind of product abnormal sound, abnormal sound intelligent detecting method.Including intelligent data collecting unit and host computer, it includes power circuit, processor circuit, memory circuit, clock circuit, voltage reference circuit, mould incoming interface circuit, analog-to-digital conversion adc circuit and communication interface circuit with constant current source power supply that intelligent data collecting unit, which includes hardware circuit, the hardware circuit, and the present invention solves the limitation of the traditional dependence human ear subjective judgement in sound detection field；Overcoming can only be with sound level come the limitation of simple relatively sound size；So that the evaluation index of sound is multidimensional, the various methods of Modern Signal Analysis can be used, the property of sound/abnormal sound, abnormal sound is studied from multiple angles；The present invention will be found to have great impetus to the machine failure positioning based on sound abnormal sound, abnormal sound, machine running status detection, product quality detection, product early stage hidden danger.
Description
Technical field
The present invention relates to product abnormal sound, abnormal sound detection and product sound property detection fields, and in particular to a kind of product is different
It rings, abnormal sound intelligent detecting method.
Background technique
Generated abnormal sound when product abnormal sound/abnormal sound is product work is be widely present the problem of.Abnormal sound can
The failure or defect of product itself can be derived from, it is also possible to the product operation irregularity caused by the non-normal working environment.
Almost each industry has the abnormal sound detection device of oneself.For example, application notification number is CN206378193U, entitled " speed change
The abnormal sound detection of the patent concern gearbox of case abnormal sound detection device "；Application notification number is CN206378293U, entitled " to subtract
The abnormal sound detection of the patent concern reduction gearbox of fast case abnormal sound detector "；Application notification number is CN106840372A, entitled " more
The detection of the patent concern vehicle different sound of channel abnormal sound record back method and record playback reproducer "；Application publication number is
CN108398182A, the patent concern air-conditioner outdoor unit noise specification of entitled " noise detecting system and noise measuring method "
Detection.
But there are following problems for existing abnormal sound detection device:
1, function is simple, and many abnormal sound detection devices can be only done the measurement of sound level size, can not carry out signal component etc.
The analysis of complicated algorithm；
2, real-time is poor, and the acquisition and processing of information separate, and many abnormal sound acquisition equipment can be only done adopting for abnormal signal
Collection, does not have the ability that sophisticated signal is handled in real time；
3, recall rate is low, and False Rate is high.Since traditional sensing techniques means are too simple, it cannot identify that complicated reason causes
Abnormal sound feature, so that correct decision can not be carried out.
4, it can not network, local measurement can only be carried out and the local of data saves, remotely can not be measured and be analyzed.
5, upgradability is poor, and instrumental function is just defined in the dust when leaving the factory, and user can only use instrument existing capability, nothing
Method carries out secondary development；
6, industry universal is poor, mostly customization instrument, and can only solve some specific question of some industry, when changing a field
Scape changes an industry, and instrument can not be applicable in completely.
Summary of the invention
Present invention aim to address the above problem, a kind of product abnormal sound, abnormal sound intelligent detecting method are provided.
The technical scheme adopted by the invention is as follows: a kind of product abnormal sound, abnormal sound intelligent detecting method, including intelligent acquisition list
Member and host computer, the intelligent data collecting unit include hardware circuit, the hardware circuit include power circuit, processor circuit,
Memory circuit, clock circuit, voltage reference circuit, the mould incoming interface circuit with constant current source power supply, analog-to-digital conversion adc circuit and
Communication interface circuit, the power circuit includes filter circuit and bleeder circuit, for providing work electricity to other circuit modules
Pressure；The memory circuit includes pluggable storage card, for saving intelligent data collecting unit initial data collected and meter
Calculate result；The clock circuit is processor, memory, ADC and communication interface circuit provide work clock；The voltage reference
Circuit provides accurate reference voltage for adc circuit and constant-current source circuit；The mould incoming interface circuit includes signal attenuation circuit, filter
Wave circuit, programme-controlled gain amplification, constant-current source circuit；The communication interface circuit includes 4 USB interfaces, 2 Ethernet interfaces
(RJ-45), 1 radio network interface.
The intelligent data collecting unit uses ARM+FPGA processor.
The intelligent data collecting unit has open software architecture, and the framework is based on real-time system, including signal
Three major class such as acquisition, signal analysis, deep learning；User transplants and cuts out according to demand, and selects suitable kit；Institute
Stating signal analysis tool packet has the function of time-domain analysis, spectrum analysis, High Order Analysis, statistical analysis etc..
The deep learning process includes: the audio signal in input layer input acquisition, through convolutional layer convolution, activation primitive
After activation, the pond pond Hua Ceng, the processing of full articulamentum, it is output result allocation probability with regression algorithm, finally provides output probability
Highest result.
Two ways can be used in the update of program in the intelligent data collecting unit, and one is users to lead to the program write
The USB interface deposit designated storage area of intelligent data collecting unit is crossed, intelligent data collecting unit will be automatically performed subsequent compiling, turn
Change, calling process；Another kind is that server updates application program in each intelligent data collecting unit by network.
The intelligent data collecting unit has flexible power supply mode, can both be powered using 12V to 24V DC power supply,
It can be powered using the external alternating current 220V of AC-DC conversion module matched at random.
The host computer uses server or computer, is responsible for the transmission of detection instruction, testing result summarizes and detect journey
The update of sequence.
Communication between the intelligent data collecting unit and server includes that server is instructed to intelligent data collecting unit transmission, intelligence
Acquisition unit is parsed and is executed instruction, and intelligent data collecting unit sends response and result to server.
A kind of product abnormal sound of the present invention, abnormal sound intelligent detecting method, in engine, gearbox, motor, wind
Fan, automobile, field of air conditioning are widely used.
Beneficial effects of the present invention:
The present invention is for product abnormal sound, abnormal sound detection and product sound property detection field；The present invention solves sound
The limitation of the traditional dependence human ear subjective judgement of detection field；Overcoming can only be with sound level come the office of simple relatively sound size
Limit；So that the evaluation index of sound is multidimensional, the various methods of Modern Signal Analysis can be used, study sound from multiple angles
The property of sound/abnormal sound, abnormal sound；The present invention will examine the machine failure positioning based on sound abnormal sound, abnormal sound, machine running status
It surveys, product quality detects, product early stage hidden danger is found to have great impetus.
The present invention has the characteristics that the growing of scientific instrument, represents the developing direction of the following instrument.The present invention has real
When system, can at the first time local anomaly information is responded and is handled；The present invention has hardware algorithm acceleration capacity, energy
Enough carry out the quick calculating of complicated algorithm；The present invention has open software architecture, supports the secondary development of user and to instrument
The increase and decrease of existing capability, upgradability is strong, the growing speciality with modern instrument.
Detailed description of the invention
Fig. 1 is that the hardware of intelligent data collecting unit in the present invention connects block diagram.
Fig. 2 is the software composition block diagram of intelligent data collecting unit in the present invention.
Specific embodiment
Make the explanation of a step to the present invention with reference to the accompanying drawing.
A kind of product abnormal sound, abnormal sound intelligent detecting method, including intelligent data collecting unit and host computer, the intelligent acquisition list
Member includes power circuit, processor circuit, memory circuit, clock circuit, voltage base including hardware circuit, the hardware circuit
Quasi- circuit, mould incoming interface circuit, analog-to-digital conversion adc circuit and communication interface circuit with constant current source power supply, the power circuit
Including filter circuit and bleeder circuit, for providing operating voltage to other circuit modules；The memory circuit includes that can insert
The storage card pulled out, for saving intelligent data collecting unit initial data collected and calculated result；The clock circuit is processing
Device, memory, ADC and communication interface circuit provide work clock；The voltage reference circuit is adc circuit and constant-current source circuit
Accurate reference voltage is provided；The mould incoming interface circuit includes signal attenuation circuit, filter circuit, programme-controlled gain amplification, constant current
Source circuit；The communication interface circuit includes 4 USB interfaces, 2 Ethernet interfaces (RJ-45), 1 radio network interface.
The intelligent data collecting unit uses ARM+FPGA processor.The processor includes ARM (using reduced instruction set computer
Embeded processor) and FPGA (field programmable gate array) two parts；The ARM loads Linux real time operating system
(referred to as: real-time system) can at the first time respond extraneous variation so having real-time analytic function；It is described
FPGA can achieve the purpose that data quick-processing by the hardware-accelerated of algorithm.
The intelligent data collecting unit has boundary operation ability, can complete the complicated calculations of mass data, exploitation maintenance
It is convenient；Calculating algorithm used includes two parts, and a part of algorithm operates in real-time system, and a part of algorithm operates in FPGA
In, they all use high level language, modify, is easy to maintain；Existing simultaneously a large amount of resource and open source program can be used,
Greatly reduce the difficulty of user's secondary development.
The intelligent data collecting unit has open software architecture, and the framework is based on real-time system, including signal
Three major class such as acquisition, signal analysis, deep learning；User transplants and cuts out according to demand, and selects suitable kit；Institute
Stating signal analysis tool packet has the function of time-domain analysis, spectrum analysis, High Order Analysis, statistical analysis etc..
The deep learning process includes: the audio signal in input layer input acquisition, through convolutional layer convolution, activation primitive
After activation, the pond pond Hua Ceng, the processing of full articulamentum, it is output result allocation probability with regression algorithm, finally provides output probability
Highest result.
Two ways can be used in the update of program in the intelligent data collecting unit, and one is users to lead to the program write
The USB interface deposit designated storage area of intelligent data collecting unit is crossed, intelligent data collecting unit will be automatically performed subsequent compiling, turn
Change, calling process；Another kind is that server updates application program in each intelligent data collecting unit by network.
The intelligent data collecting unit has flexible power supply mode, can both be powered using 12V to 24V DC power supply,
It can be powered using the external alternating current 220V of AC-DC conversion module matched at random.
The host computer uses server or computer, is responsible for the transmission of detection instruction, testing result summarizes and detect journey
The update of sequence.
Communication between the intelligent data collecting unit and server includes that server is instructed to intelligent data collecting unit transmission, intelligence
Acquisition unit is parsed and is executed instruction, and intelligent data collecting unit sends response and result to server.
Below by way of illustrating that fan abnormal sound tests this specific embodiment, the present invention is further elaborated.Its specific mistake
Journey is as follows:
1, fan to be measured and sonic transducer are put into silencing case, by the driving cable of the service cable of fan and sonic transducer
It is drawn from silencing case, wherein service cable is connected with external power supply, and driving cable is connect with intelligent data collecting unit.
2, sound collection program is write, fan sound is acquired；
3, the sound for collecting normal fan and abnormal fan, establishes test sample and training sample；
4, audio frequency characteristics calculation procedure (FFT, wavelet, HOS) is selected, extracts the audio of normal fan and abnormal fan
Feature；
5, machine learning model is established according to extracted audio frequency characteristics；
6, model training is carried out with training sample；
7, model measurement is carried out with test sample；
8, machine learning model is modified according to test result, and repeats step 6~step 8；
9, fan is developed according to model training result and detects program, and program is downloaded in intelligent data collecting unit；
10, intelligent data collecting unit acquires and analyzes the voice signal of fan to be detected, judgement whether providing fan normally.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of product abnormal sound, abnormal sound intelligent detecting method, it is characterised in that: described including intelligent data collecting unit and host computer
It includes power circuit, processor circuit, memory circuit, clock that intelligent data collecting unit, which includes hardware circuit, the hardware circuit,
Circuit, voltage reference circuit, mould incoming interface circuit, analog-to-digital conversion adc circuit and communication interface circuit with constant current source power supply, institute
Stating power circuit includes filter circuit and bleeder circuit, for providing operating voltage to other circuit modules；The memory electricity
Road includes pluggable storage card, for saving intelligent data collecting unit initial data collected and calculated result；The clock
Circuit is processor, memory, ADC and communication interface circuit provide work clock；The voltage reference circuit be adc circuit and
Constant-current source circuit provides accurate reference voltage；The mould incoming interface circuit includes signal attenuation circuit, filter circuit, programme-controlled gain
Amplification, constant-current source circuit；The communication interface circuit includes 4 USB interfaces, 2 Ethernet interface RJ-45,1 wireless network
Interface.
2. a kind of product abnormal sound according to claim 1, abnormal sound intelligent detecting method, it is characterised in that: the intelligence is adopted
Collect unit and uses ARM+FPGA processor.
3. a kind of product abnormal sound according to claim 1, abnormal sound intelligent detecting method, it is characterised in that: the intelligence is adopted
Collecting unit has open software architecture, and the framework is based on real-time system, including the analysis of signal acquisition, signal, depth
Three major class such as study；User transplants and cuts out according to demand, and selects suitable kit；The signal analysis tool packet tool
There are the functions such as time-domain analysis, spectrum analysis, High Order Analysis, statistical analysis.
4. a kind of product abnormal sound according to claim 3, abnormal sound intelligent detecting method, it is characterised in that: the depth
Habit process include: input layer input acquisition audio signal, through convolutional layer convolution, activation primitive activation, the pond pond Hua Ceng, entirely
After articulamentum processing, it is output result allocation probability with regression algorithm, finally provides the highest result of output probability.
5. a kind of product abnormal sound according to claim 1, abnormal sound intelligent detecting method, it is characterised in that: the intelligence is adopted
The update for collecting program in unit uses two ways, and one is the USB that the program write is passed through intelligent data collecting unit by user
Interface is stored in designated storage area, and intelligent data collecting unit will be automatically performed subsequent compiling, conversion, calling process；Another kind is
Server updates the application program in each intelligent data collecting unit by network.
6. a kind of product abnormal sound according to claim 1, abnormal sound intelligent detecting method, it is characterised in that: the intelligence is adopted
Collect unit to power using 12V to 24V DC power supply, it can also be using the external alternating current 220V of AC-DC conversion module matched at random
To power.
7. a kind of product abnormal sound according to claim 1, abnormal sound intelligent detecting method, it is characterised in that: the host computer
Using server or computer, it is responsible for the transmission of detection instruction, the update of testing result summarized and detect program.
8. a kind of product abnormal sound according to claim 7, abnormal sound intelligent detecting method, it is characterised in that: the intelligence is adopted
Communication between collection unit and server includes that server is instructed to intelligent data collecting unit transmission, and intelligent data collecting unit is parsed and executed
Instruction, intelligent data collecting unit send response and result to server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811576124.9A CN109580268A (en) | 2018-12-22 | 2018-12-22 | A kind of product abnormal sound, abnormal sound intelligent detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811576124.9A CN109580268A (en) | 2018-12-22 | 2018-12-22 | A kind of product abnormal sound, abnormal sound intelligent detecting method |
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| Publication Number | Publication Date |
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Family
ID=65930697
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110025163A (en) * | 2019-05-06 | 2019-07-19 | 上海掌门科技有限公司 | A kind of Intelligent cushion and its method for detecting sitting posture |
| CN111076809A (en) * | 2019-12-31 | 2020-04-28 | 四川长虹电器股份有限公司 | Convolutional neural network-based equipment abnormal sound identification method and system |
| CN113074967A (en) * | 2020-01-06 | 2021-07-06 | 北京谛声科技有限责任公司 | Abnormal sound detection method and device, storage medium and electronic equipment |
| CN113155271A (en) * | 2020-01-23 | 2021-07-23 | 上海擎动信息科技有限公司 | Sound vibration detection method, system, terminal and medium |
| TWI741816B (en) * | 2020-09-30 | 2021-10-01 | 鉭騏實業有限公司 | An abnormal sound testing device for a vehicle and method thereof |
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Application publication date: 20190405 |