CN112382307A - Method for detecting foreign matters in classification crushing equipment, storage medium and electronic equipment - Google Patents
Method for detecting foreign matters in classification crushing equipment, storage medium and electronic equipment Download PDFInfo
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- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
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Abstract
The invention provides a foreign matter detection method for a grading crushing device, a storage medium and an electronic device, wherein the method comprises the following steps: acquiring audio information to be detected in the graded crushing equipment; framing the audio information to be tested to obtain audio characteristic quantity to be tested, wherein the audio characteristic quantity to be tested comprises a short-time zero crossing rate to be tested, a power spectrum to be tested, a rotating speed to be tested, an amplitude to be tested and a current to be tested; and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity, and judging whether foreign matters exist in the grading crushing equipment, wherein the fault audio characteristic quantity comprises a fault short-time zero-crossing rate, a fault power spectrum, a fault rotating speed, a fault amplitude and a fault current. According to the invention, the audio information to be detected in the grading crushing equipment is collected in real time, the audio information to be detected is framed to obtain the characteristic quantity of the audio to be detected, and the characteristic quantity of the audio to be detected is compared with the preset fault audio characteristic quantity, so that the foreign matter in the grading crushing equipment is automatically detected, and the accuracy and the efficiency are improved.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a foreign matter detection method for a grading crushing device, a storage medium and an electronic device.
Background
The grading crushing equipment is mainly suitable for coarse and medium-grade crushing of brittle massive materials in the industries of mines, metallurgy, chemical industry, coal mines and the like, and comprises a jaw crusher, a cone crusher, a gyratory crusher, a hammer crusher, a roller crusher, an impact crusher and the like. The grading crushing equipment mainly comprises a motor, a coupler, a speed reducer, a shaft coupling, a crushing roller assembly and other parts, wherein the motor drives the two crushing roller assemblies to rotate in opposite directions through a driving system, after materials enter a crushing cavity, the materials meeting the requirement of the granularity directly pass through, and the materials not meeting the requirement of the granularity are crushed and then discharged from a discharge port.
The pan feeding requirement in broken chamber has been decided comparatively strictly to the structural style of hierarchical crushing equipment, and mix into debris such as round steel, sleeper in the equipment operation in fields such as mining often in the material, takes place the equipment easily and breaks the tooth, mechanical accidents such as reduction case fracture have increased the equipment maintenance cost, seriously influence equipment productivity effect.
At present, in order to prevent mechanical accidents, the following methods are generally adopted to protect the grading crushing equipment:
1) manual impurity removal protection: the conveying belt for conveying the feed is set as a manual belt, and the classified crushing equipment is protected by manual impurity removal;
2) protection of the iron remover: the iron remover is arranged at the feeding position of the grading crushing equipment, feeding sundries are monitored through the iron remover in a centralized mode, the sundries are prevented from entering, and the grading crushing equipment is protected.
However, the inventor finds that the existing protection method of the grading crushing equipment has the following defects in the process of realizing the invention:
1) manual impurity removal protection: the working efficiency and the accuracy are low, the cost is high, and for sundries with larger volume, the machine needs to be stopped for removing impurities, so that the production efficiency is influenced;
2) protection of the iron remover: when the ironware is too heavy or the incoming materials are too thick and buried in the bottom layer, the impurity removal effect cannot be achieved, and mechanical accidents of the grading crushing equipment still occur.
Therefore, the existing protection method for the grading crushing equipment has the problems that the foreign matter detection accuracy is low, and the mechanical fault of the grading crushing equipment cannot be completely avoided.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a foreign matter detection method for a grading crushing device, a storage medium and an electronic device, so that the foreign matter in the grading crushing device can be automatically detected, the accuracy and the efficiency are improved, the early warning protection effect is realized, the mechanical fault of the grading crushing device is avoided, and the cost is reduced.
The technical scheme of the invention provides a foreign matter detection method for a grading crushing device, which is characterized by comprising the following steps:
acquiring audio information to be detected in the graded crushing equipment;
framing the audio information to be tested to obtain audio characteristic quantity to be tested, wherein the audio characteristic quantity to be tested comprises a short-time zero crossing rate to be tested, a power spectrum to be tested, a rotating speed to be tested, an amplitude to be tested and a current to be tested;
and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity, and judging whether foreign matters exist in the grading crushing equipment, wherein the fault audio characteristic quantity comprises a fault short-time zero-crossing rate, a fault power spectrum, a fault rotating speed, a fault amplitude and a fault current.
Further, will audio frequency characteristic quantity that awaits measuring compares with predetermined trouble audio frequency characteristic quantity, judges whether have the foreign matter in the hierarchical crushing equipment, specifically include:
and when at least two audio characteristic quantities to be detected are more than or equal to the fault audio characteristic quantity, judging that foreign matters exist in the grading crushing equipment.
Further, comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity, and judging whether foreign matters exist in the grading crushing equipment, the method further comprises the following steps:
in a preset time period, when the short-time zero crossing rate to be detected is greater than or equal to the fault short-time zero crossing rate, acquiring the number of fault frames in the short-time zero crossing rate to be detected, which is greater than or equal to the fault short-time zero crossing rate, and all the frames in the audio characteristic quantity to be detected;
calculating a fault judgment proportion according to the fault frame number and the total frame number;
and when the fault judgment proportion is larger than or equal to a preset judgment proportion threshold value, judging that foreign matters exist in the graded crushing equipment in advance.
Further, the calculating the fault determination ratio according to the number of the fault frames and the total number of the frames specifically includes:
and calculating the ratio of the fault frame number to the total frame number to obtain the fault judgment ratio.
Further, when at least two audio frequency characteristic quantities to be detected are greater than or equal to the fault audio frequency characteristic quantity, it is judged that foreign matters exist in the grading crushing equipment, and the method comprises the following steps:
when at least two audio characteristic quantities to be detected are larger than or equal to the fault audio characteristic quantity, calculating a weighted value of the audio characteristic quantities to be detected;
and when the weighted value is greater than or equal to a preset weighted value threshold value, judging that foreign matters exist in the grading crushing equipment.
Further, the weighted value is calculated by the following method:
and multiplying the audio characteristic quantity to be detected by a preset specific gravity coefficient corresponding to the audio characteristic quantity to be detected to obtain the weighted value.
Further, the audio frequency characteristic quantity to be detected is compared with a preset fault audio frequency characteristic quantity, whether foreign matters exist in the grading crushing equipment is judged, and then the method further comprises the following steps:
and when judging that foreign matters exist in the grading crushing equipment, sending an alarm signal.
The technical solution of the present invention also provides a storage medium storing computer instructions for executing all the steps of the method for detecting foreign matters in a classifying crushing apparatus as described above when a computer executes the computer instructions.
The technical solution of the present invention also provides an electronic device, including:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring audio information to be detected in the graded crushing equipment;
framing the audio information to be tested to obtain audio characteristic quantity to be tested, wherein the audio characteristic quantity to be tested comprises a short-time zero crossing rate to be tested, a power spectrum to be tested, a rotating speed to be tested, an amplitude to be tested and a current to be tested;
and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity, and judging whether foreign matters exist in the grading crushing equipment, wherein the fault audio characteristic quantity comprises a fault short-time zero-crossing rate, a fault power spectrum, a fault rotating speed, a fault amplitude and a fault current.
After adopting above-mentioned technical scheme, have following beneficial effect: the audio frequency characteristic quantity to be detected is obtained by collecting the audio frequency information to be detected in the grading crushing equipment in real time and framing the audio frequency information to be detected, whether foreign matters exist in the grading crushing equipment is judged according to the comparison between the audio frequency characteristic quantity to be detected and the preset fault audio frequency characteristic quantity, so that the foreign matters in the grading crushing equipment can be automatically detected, the accuracy and the efficiency are improved, the early warning protection effect is achieved, the mechanical fault of the grading crushing equipment is avoided, and the cost is reduced.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a flowchart illustrating a method for detecting foreign matters in a classification crushing apparatus according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for detecting foreign matters in a classification crushing apparatus according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for detecting foreign matters in a classification crushing apparatus according to a third embodiment of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an electronic device for detecting foreign matters in a classification crushing device according to a fifth embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
It is easily understood that according to the technical solution of the present invention, those skilled in the art can substitute various structures and implementation manners without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as limiting or restricting the technical aspects of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
Example one
As shown in fig. 1, fig. 1 is a flowchart of a method for detecting foreign matters in a classification crushing device according to an embodiment of the present invention, including:
step S101: acquiring audio information to be detected in the graded crushing equipment;
step S102: framing the audio information to be tested to obtain the characteristic quantity of the audio to be tested;
step S103: and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity, and judging whether foreign matters exist in the grading crushing equipment or not.
Specifically, when the graded crushing equipment starts to work, the controller executes the step S101 to control and acquire audio information to be detected in the graded crushing equipment, wherein the audio information to be detected is audio information of a feeding material in a crushing cavity acquired in real time through a sound sensor arranged at the feeding position of the crushing cavity and is transmitted to the controller; then, after acquiring the audio information to be detected, the controller executes the step S102 to frame the audio information to be detected to obtain the characteristic quantity of the audio to be detected; and finally, the controller executes the step S103 to compare the audio characteristic quantity to be detected with the preset fault audio characteristic quantity, and judges whether foreign matters exist in the grading crushing equipment or not according to the comparison result, specifically, when the audio characteristic quantity to be detected exceeds the fault audio characteristic quantity, the foreign matters exist in the grading crushing equipment, otherwise, the foreign matters do not exist in the grading crushing equipment. The audio characteristic quantity to be detected comprises a short-time zero crossing rate to be detected, a power spectrum to be detected, a rotating speed to be detected, an amplitude to be detected and a current to be detected, the fault audio characteristic quantity is obtained by framing audio information acquired by a fault sample, the fault audio characteristic quantity comprises a fault short-time zero crossing rate, a fault power spectrum, a fault rotating speed, a fault amplitude and a fault current, and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity means that the short-time zero crossing rate to be detected, the power spectrum to be detected, the rotating speed to be detected, the amplitude to be detected and the current to be detected are respectively and independently compared with the corresponding fault short-time zero crossing rate, fault power spectrum, fault rotating speed, fault amplitude and fault current, for example, the short-time zero crossing rate to be detected and the fault short-time zero crossing rate are compared, the power spectrum to be detected and the fault power spectrum are compared.
It should be noted that framing the audio information to be tested is not the essential point of the present invention, and therefore the controller may frame the audio information to be tested by using the prior art, which is not described herein again.
According to the foreign matter detection method for the grading crushing equipment, the audio information to be detected in the grading crushing equipment is collected in real time, the audio information to be detected is framed to obtain the characteristic quantity of the audio to be detected, and whether foreign matters exist in the grading crushing equipment is judged according to the comparison between the characteristic quantity of the audio to be detected and the preset fault audio characteristic quantity, so that the foreign matters in the grading crushing equipment are automatically detected, the accuracy and the efficiency are improved, an early warning protection effect is achieved, the mechanical fault of the grading crushing equipment is avoided, and the cost is reduced.
Example two
As shown in fig. 2, fig. 2 is a flowchart of a method for detecting foreign matters in a classification crushing device according to a second embodiment of the present invention, including:
step S201: acquiring audio information to be detected in the graded crushing equipment;
step S202: framing the audio information to be tested to obtain the characteristic quantity of the audio to be tested;
step S203: judging whether the short-time zero crossing rate to be detected is greater than or equal to the fault short-time zero crossing rate;
step S204: acquiring the number of fault frames in the short-time zero crossing rate which is more than or equal to the fault short-time zero crossing rate and all the frames in the audio characteristic quantity to be detected;
step S205: calculating a fault judgment proportion according to the number of fault frames and the total number of frames;
step S206: judging whether the fault judgment ratio is greater than or equal to a preset judgment ratio threshold value or not;
step S207: pre-judging that foreign matters exist in the grading crushing equipment;
step S208: judging whether at least two audio characteristic quantities to be detected are larger than or equal to the fault audio characteristic quantity or not;
step S209: foreign matters are arranged in the grading crushing equipment;
step S210: sending an alarm signal;
step S211: the classifying crushing apparatus has no foreign matter.
Specifically, in order to shorten the detection time and improve the working efficiency when no foreign matter exists in the classifying crushing equipment, after the controller executes the steps S201-S202, the controller executes the step S203 to judge whether the short-time zero-crossing rate to be detected in the preset time period is greater than or equal to the fault short-time zero-crossing rate, if the step S204-S206 is executed in sequence, the controller executes the step S206 to judge whether the fault judgment ratio is greater than or equal to the preset judgment ratio threshold value, if the step S211 is not executed, if the step S207 is executed to judge that the classifying crushing equipment has the foreign matter in advance, then executes the step S208 to judge whether at least two audio characteristic quantities to be detected in the audio characteristic quantities to be detected are greater than or equal to the fault audio characteristic quantity, if the step S211 is not executed, if the step S209-S210 is executed, the user is reminded to clear the foreign matter in the crushing cavity in time through the alarm signal, and the, the early warning and protection effects are achieved. It should be noted that the controller can also control the graded crushing equipment to stop working when sending out an alarm signal or when not receiving a foreign matter removal signal within a preset time period, so as to prevent mechanical failure.
The fault frame number refers to the number of audio frames which are greater than or equal to the fault short-time zero-crossing rate in the short-time zero-crossing rate to be detected, and all the frame numbers refer to all the frame numbers after the audio information to be detected is framed.
Preferably, the preset time period is 1 minute.
The invention provides a foreign matter detection method for a grading crushing device, which acquires audio information to be detected in the grading crushing device in real time, frames the audio information to be detected to obtain characteristic quantity of the audio to be detected, compares a short-time zero-crossing rate to be detected with a short-time zero-crossing rate of a fault in advance, and compares a fault judgment proportion with a judgment proportion threshold value to realize the purpose of judging whether foreign matters exist in the grading crushing device in advance, shortens the detection time when no foreign matters exist in the grading crushing device, improves the working efficiency, realizes alarm reminding by sending an alarm signal, further plays a role of early warning protection, realizes automatic detection of the foreign matters in the grading crushing device, improves the accuracy and the efficiency, avoids mechanical faults of the grading crushing device, and reduces the cost.
In one embodiment, in order to further improve accuracy and efficiency, the calculating the fault determination ratio according to the number of fault frames and the total number of frames specifically includes:
and calculating the ratio of the number of the fault frames to the total number of the frames to obtain a fault judgment ratio.
EXAMPLE III
On the basis of the second embodiment, in order to avoid that the amplitude to be measured and the current to be measured which are collected when a large material appears are too large to wait for measurement of the audio characteristic quantity, and misoperation is caused, the accuracy is further improved, as shown in fig. 3, the method for detecting the foreign matters in the grading crushing equipment further comprises the following steps:
step S301: judging whether at least two audio characteristic quantities to be detected are larger than or equal to the fault audio characteristic quantity or not;
step S302: multiplying the audio characteristic quantity to be measured by a preset specific gravity coefficient corresponding to the audio characteristic quantity to be measured to obtain a weighted value;
step S303: judging whether the weighted value is greater than or equal to a preset weighted value threshold value;
step S304: foreign matters are arranged in the grading crushing equipment;
step S305: there is no foreign matter in the classifying crushing equipment.
Specifically, when the controller determines that the at least two audio characteristic quantities to be measured are greater than or equal to the fault audio characteristic quantity on the basis of the second embodiment, the controller further executes step S302 to multiply the short-time zero crossing rate to be measured, the power spectrum to be measured, the rotation speed to be measured, the amplitude to be measured, and the current to be measured in the audio characteristic quantities to be measured by a preset specific gravity coefficient corresponding to the audio characteristic quantity to be measured, so as to obtain a corresponding weighted value, and if the short-time zero crossing rate to be measured is multiplied by a specific gravity coefficient corresponding to the short-time zero crossing rate to be measured, obtain a weighted value of the short-time zero crossing rate to be measured; then, step S303 is executed to determine whether the weighted value is greater than or equal to a preset weighted value threshold, if so, step S304 is executed, otherwise, step S305 is executed.
Preferably, the specific gravity coefficient of the short-time zero-crossing rate to be measured is 0.3, the specific gravity coefficient of the power spectrum to be measured is 0.3, the specific gravity coefficient of the rotating speed to be measured is 0.05, the specific gravity coefficient of the amplitude to be measured is 0.15, and the specific gravity coefficient of the current to be measured is 0.2.
Example four
A storage medium of an embodiment of the present application for storing computer instructions for performing all the steps of the method of detecting foreign matter in a classifying crushing apparatus as in any one of the method embodiments described above when the computer executes the computer instructions.
EXAMPLE five
As shown in fig. 4, fig. 4 is a schematic diagram of a hardware structure of an electronic device for detecting foreign matters in a classification crushing device according to a fifth embodiment of the present invention, including:
at least one processor 401; and the number of the first and second groups,
a memory 402 communicatively coupled to the at least one processor 401; wherein the content of the first and second substances,
the memory 402 stores instructions executable by the at least one processor 401 to cause the at least one processor 401 to:
acquiring audio information to be detected in the graded crushing equipment;
framing the audio information to be tested to obtain audio characteristic quantity to be tested, wherein the audio characteristic quantity to be tested comprises a short-time zero crossing rate, a power spectrum, amplitude and current;
and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity to judge whether foreign matters exist in the grading crushing equipment, wherein the fault audio characteristic quantity comprises a fault short-time zero-crossing rate, a fault power spectrum, a fault rotating speed, a fault amplitude and a fault current.
In fig. 4, one processor 401 is taken as an example.
The Electronic device is preferably an Electronic Control Unit (ECU).
The electronic device may further include: an input device 403 and an output device 404.
The processor 401, the memory 402, the input device 403, and the display device 304 may be connected by a bus or other means, and are illustrated as being connected by a bus.
The memory 402, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the method for detecting foreign objects in a classification crushing apparatus in the embodiment of the present application, for example, the method flows shown in fig. 1-3. The processor 401 executes various functional applications and data processing by running nonvolatile software programs, instructions, and modules stored in the memory 402, that is, implements the classification crushing apparatus foreign matter detection method in the above-described embodiment.
The memory 402 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the classifying crushing apparatus foreign matter detection method, and the like. Further, the memory 402 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory 402 may optionally include a memory remotely located from the processor 401, and these remote memories may be connected via a network to a device that performs the method of classifying a crushing apparatus foreign object detection. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 403 may receive input user clicks and generate signal inputs related to user settings and functional control of the grading crushing plant foreign matter detection method. The display device 304 may include a display screen or the like.
The method of detecting foreign matter in a classification breaking device according to any of the above-described method embodiments is performed when the one or more modules are stored in the memory 402 and when executed by the one or more processors 401.
The product can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the methods provided in the embodiments of the present application.
The electronic device of embodiments of the present invention exists in a variety of forms, including but not limited to:
(1) an Electronic Control Unit (ECU) is also called a "traveling computer" or a "vehicle-mounted computer". The digital signal processor mainly comprises a microprocessor (CPU), a memory (ROM and RAM), an input/output interface (I/O), an analog-to-digital converter (A/D), a shaping circuit, a driving circuit and other large-scale integrated circuits.
(2) Mobile communication devices, which are characterized by mobile communication capabilities and are primarily targeted at providing voice and data communications. Such terminals include smart phones (e.g., iphones), multimedia phones, functional phones, and low-end phones, among others.
(3) The ultra-mobile personal computer equipment belongs to the category of personal computers, has calculation and processing functions and generally has the characteristic of mobile internet access. Such terminals include PDA, MID, and UMPC devices, among others.
(4) Portable entertainment devices such devices may display and play multimedia content. Such devices include audio and video players (e.g., ipods), handheld game consoles, electronic books, as well as smart toys and portable car navigation devices.
(5) The server is similar to a general computer architecture, but has higher requirements on processing capability, stability, reliability, safety, expandability, manageability and the like because of the need of providing highly reliable services.
(6) And other electronic devices with data interaction functions.
Furthermore, the logic instructions in the memory 402 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a mobile terminal (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 invention. 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.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A method for detecting foreign matters in a grading crushing device is characterized by comprising the following steps:
acquiring audio information to be detected in the graded crushing equipment;
framing the audio information to be tested to obtain audio characteristic quantity to be tested, wherein the audio characteristic quantity to be tested comprises a short-time zero crossing rate to be tested, a power spectrum to be tested, a rotating speed to be tested, an amplitude to be tested and a current to be tested;
and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity, and judging whether foreign matters exist in the grading crushing equipment, wherein the fault audio characteristic quantity comprises a fault short-time zero-crossing rate, a fault power spectrum, a fault rotating speed, a fault amplitude and a fault current.
2. The method for detecting foreign matters in a classifying and crushing device according to claim 1, wherein the step of comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity to determine whether foreign matters exist in the classifying and crushing device specifically comprises the steps of:
and when at least two audio characteristic quantities to be detected are more than or equal to the fault audio characteristic quantity, judging that foreign matters exist in the grading crushing equipment.
3. The method for detecting foreign matters in a classifying and crushing device according to claim 1, wherein the step of comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity to determine whether foreign matters exist in the classifying and crushing device further comprises the steps of:
in a preset time period, when the short-time zero crossing rate to be detected is greater than or equal to the fault short-time zero crossing rate, acquiring the number of fault frames in the short-time zero crossing rate to be detected, which is greater than or equal to the fault short-time zero crossing rate, and all the frames in the audio characteristic quantity to be detected;
calculating a fault judgment proportion according to the fault frame number and the total frame number;
and when the fault judgment proportion is larger than or equal to a preset judgment proportion threshold value, judging that foreign matters exist in the graded crushing equipment in advance.
4. The method for detecting foreign matter in a classifying crushing apparatus according to claim 3, wherein the calculating of the failure determination ratio based on the number of failed frames and the total number of frames specifically includes:
and calculating the ratio of the fault frame number to the total frame number to obtain the fault judgment ratio.
5. The method for detecting foreign matters in the grading crushing equipment according to any one of claims 2 to 4, wherein when at least two audio characteristic quantities to be detected are greater than or equal to the fault audio characteristic quantity, judging that foreign matters exist in the grading crushing equipment comprises the following steps:
when at least two audio characteristic quantities to be detected are larger than or equal to the fault audio characteristic quantity, calculating a weighted value of the audio characteristic quantities to be detected;
and when the weighted value is greater than or equal to a preset weighted value threshold value, judging that foreign matters exist in the grading crushing equipment.
6. The method of detecting a foreign matter in a classifying crushing apparatus according to claim 5, wherein the weighting value is calculated by:
and multiplying the audio characteristic quantity to be detected by a preset specific gravity coefficient corresponding to the audio characteristic quantity to be detected to obtain the weighted value.
7. The method for detecting foreign matters in a classifying and crushing device according to claim 1, wherein the step of comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity to determine whether foreign matters exist in the classifying and crushing device further comprises the following steps:
and when judging that foreign matters exist in the grading crushing equipment, sending an alarm signal.
8. A storage medium, characterized in that the storage medium stores computer instructions for performing all the steps of the method of detecting foreign matter in a classifying crushing apparatus according to any one of claims 1 to 7 when the computer executes the computer instructions.
9. An electronic device for classifying crushing equipment foreign matter detection, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring audio information to be detected in the graded crushing equipment;
framing the audio information to be tested to obtain audio characteristic quantity to be tested, wherein the audio characteristic quantity to be tested comprises a short-time zero crossing rate to be tested, a power spectrum to be tested, a rotating speed to be tested, an amplitude to be tested and a current to be tested;
and comparing the audio characteristic quantity to be detected with a preset fault audio characteristic quantity, and judging whether foreign matters exist in the grading crushing equipment, wherein the fault audio characteristic quantity comprises a fault short-time zero-crossing rate, a fault power spectrum, a fault rotating speed, a fault amplitude and a fault current.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063144A (en) * | 2021-11-09 | 2022-02-18 | 北京科技大学 | Method for identifying coal rock instability precursor characteristics by using short-time zero crossing rate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538041A (en) * | 2014-12-11 | 2015-04-22 | 深圳市智美达科技有限公司 | Method and system for detecting abnormal sounds |
| US20170084292A1 (en) * | 2015-09-23 | 2017-03-23 | Samsung Electronics Co., Ltd. | Electronic device and method capable of voice recognition |
| CN108332843A (en) * | 2018-01-29 | 2018-07-27 | 国家电网公司 | A kind of noise diagnostics method of electrical equipment malfunction electric arc |
| CN110425710A (en) * | 2019-08-30 | 2019-11-08 | 盈盛智创科技(广州)有限公司 | A kind of fault detection method of air-conditioning, device, equipment and storage medium |
| CN110460809A (en) * | 2019-07-05 | 2019-11-15 | 苏宁智能终端有限公司 | A kind of vagitus method for detecting, device and intelligent camera head apparatus |
| US10706848B1 (en) * | 2018-05-01 | 2020-07-07 | Amazon Technologies, Inc. | Anomaly detection for voice controlled devices |
-
2020
- 2020-10-29 CN CN202011184248.XA patent/CN112382307A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538041A (en) * | 2014-12-11 | 2015-04-22 | 深圳市智美达科技有限公司 | Method and system for detecting abnormal sounds |
| US20170084292A1 (en) * | 2015-09-23 | 2017-03-23 | Samsung Electronics Co., Ltd. | Electronic device and method capable of voice recognition |
| CN108332843A (en) * | 2018-01-29 | 2018-07-27 | 国家电网公司 | A kind of noise diagnostics method of electrical equipment malfunction electric arc |
| US10706848B1 (en) * | 2018-05-01 | 2020-07-07 | Amazon Technologies, Inc. | Anomaly detection for voice controlled devices |
| CN110460809A (en) * | 2019-07-05 | 2019-11-15 | 苏宁智能终端有限公司 | A kind of vagitus method for detecting, device and intelligent camera head apparatus |
| CN110425710A (en) * | 2019-08-30 | 2019-11-08 | 盈盛智创科技(广州)有限公司 | A kind of fault detection method of air-conditioning, device, equipment and storage medium |
Non-Patent Citations (1)
| Title |
|---|
| 潘永泰等: "基于音频信号的破碎机故障识别技术研究", 《煤矿机械》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063144A (en) * | 2021-11-09 | 2022-02-18 | 北京科技大学 | Method for identifying coal rock instability precursor characteristics by using short-time zero crossing rate |
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