CN209841180U - Online acoustic signal gathers and marking device - Google Patents
Online acoustic signal gathers and marking device Download PDFInfo
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- CN209841180U CN209841180U CN201920389377.9U CN201920389377U CN209841180U CN 209841180 U CN209841180 U CN 209841180U CN 201920389377 U CN201920389377 U CN 201920389377U CN 209841180 U CN209841180 U CN 209841180U
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Abstract
The utility model discloses an on-line acoustic signal acquisition and marking device, relating to the technical field of abnormal sound and abnormal sound detection; the device comprises a sensor, data acquisition equipment and a display control terminal; the sensor is arranged at the near end of a product to be detected so as to collect acoustic signals generated in the running process of the product; the acoustic signals comprise noise signals, vibration signals and voltage current signals; the data acquisition equipment is electrically connected with the sensor to acquire acoustic signals acquired by the sensor; the display control terminal is connected with the data acquisition equipment through the Ethernet so as to display a plurality of groups of acoustic signals acquired from the data acquisition equipment and mark abnormal samples in the acoustic signals; the utility model discloses utilize the acoustic sensor on-line collection to be surveyed the multiple signal of product and mark unusual sample signal, for the development of the follow-up abnormal sound intelligent detection system of product provides the data sample support behind high quality and the accurate mark.
Description
Technical Field
The utility model belongs to the technical field of abnormal sound detects, more specifically relates to an online acoustic signal gathers and marking device.
Background
The abnormal sound and abnormal sound detection is an indispensable link before various products leave a factory in the market, and once the abnormal sound and abnormal sound are generated in the product operation process, the defects of parts or assembly of the products are indicated. At present, the method of artificial auscultation is mostly adopted for detecting abnormal sounds and abnormal sounds of online products, the problems of high misjudgment rate, low efficiency and increasing production cost exist, and the method does not accord with the fundamental benefits of enterprises.
The progress and development of big data and artificial intelligence technology make abnormal sound intelligent detection system replace the manual work accurate, realize online product quality detection fast and become possible, its usable acoustics sensor on-line collection detected object's signal, according to professional acoustics test analysis method, combine machine learning technique, can realize the detection and the classification of various abnormal sound signals fast and accurately, effectively solve traditional human ear auscultation and detect the problem that the abnormal sound judgement ability is not enough. The heart of machine hearing lies in supervised machine learning techniques, which require a large amount of high quality and already labeled (from normal or abnormal products) sample data as support for model training, thereby ensuring the accuracy of the system decision results. However, most of the existing product production lines are basically not provided with a product acoustic signal automatic acquisition marking system, which is not beneficial to the development of an abnormal sound and abnormal sound intelligent detection system.
SUMMERY OF THE UTILITY MODEL
At least one defect or improvement demand to prior art, the utility model provides an online acoustic signal gathers and marking device, its utilize acoustic sensor on-line collection measurand's multiple signal and mark unusual sample signal, its aim at provides the data sample support after high quality and the accurate mark for the development of the follow-up different sound abnormal sound intelligent detection system of product.
In order to achieve the above object, according to one aspect of the present invention, an on-line acoustic signal collecting and marking device is provided, which includes a sensor, a data collecting device and a display control terminal;
the sensor is arranged at the near end of a product to be detected so as to collect acoustic signals generated in the running process of the product; the acoustic signals comprise noise signals, vibration signals and voltage current signals;
the data acquisition equipment is electrically connected with the sensor unit to acquire acoustic signals acquired by the sensor unit;
the display control terminal is connected with the data acquisition equipment through the Ethernet, and displays and marks abnormal samples in multiple groups of acoustic signals acquired from the data acquisition equipment.
Preferably, the sensor of the on-line acoustic signal collecting and marking device comprises a vibration acceleration sensor, a sound pick-up and an electric signal transmitter; the vibration acceleration sensor, the sound pick-up and the electric signal transmitter are all electrically connected with the data acquisition equipment;
the vibration acceleration sensor is placed on the surface of a product to be detected so as to acquire a vibration signal in the running process of the product; the sound pick-up is placed at the near end of a product to be detected so as to collect noise signals in the running process of the product; one end of the electric signal transmitter is connected with a power supply assembly of the product to be detected so as to collect alternating current or direct current voltage and current signals of the product, and the other end of the electric signal transmitter is connected with data acquisition equipment.
Preferably, in the on-line acoustic signal acquisition and marking device, the data acquisition device includes a dynamic signal acquisition board card and an analog input board card;
the dynamic signal acquisition board card is connected with the vibration acceleration sensor and the sound pick-up; the analog input board card is connected with the electric signal transmitter.
Preferably, the data acquisition device of the on-line acoustic signal acquisition and marking device further includes a digital input/output board card;
one end of the digital input/output board card is connected with a switch component of a product to be tested, and the other end of the digital input/output board card is connected with the dynamic signal acquisition board card and the analog input board card respectively.
Preferably, the data acquisition device of the on-line acoustic signal acquisition and marking device further includes an ethernet chassis; the dynamic signal acquisition board card, the analog input board card and the digital input/output board card are all arranged in the Ethernet case.
Preferably, the display control terminal of the online acoustic signal acquisition and marking device comprises a display, a configuration module and a memory;
the display is connected with the dynamic signal acquisition board card, the analog input board card and the digital input/output board card respectively; one end of the configuration module is connected with the dynamic signal acquisition board card, the analog input board card and the digital input/output board card respectively; the other end is connected with the memory.
Preferably, the display of the online acoustic signal collecting and marking device supports touch screen operation, or is connected with an external input device for inputting a marking instruction, so as to mark an abnormal sample.
Preferably, the sound pick-up of the on-line acoustic signal collecting and marking device comprises a bracket and a microphone fixed on the bracket.
Preferably, the display control terminal of the line acoustic signal collecting and marking device is a porphyry PPC-6120 industrial tablet computer.
Preferably, the data acquisition device of the online acoustic signal acquisition and marking device adopts an NI component.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
(1) the utility model provides a pair of online acoustic signal gathers and marking device can gather vibration, noise and current-voltage signal in the product operation process automatically, can also effectively realize the mark of unusual sample signal, whole system operation does not influence the product quality control quality, can not additionally increase present artifical quality control work load, can install additional on different product production lines to provide the data sample support after high quality and accurate mark for the development of the follow-up abnormal sound intelligent detection system of product; potential applicable objects of the system are seat slide rails, micro and special motors, engines and gearboxes in the field of automobiles, air conditioners, refrigerators, washing machines and televisions in the field of household appliances, household respirators, massage chairs and the like in the field of medical treatment, and meanwhile, various silent fans, loudspeakers and the like can be covered;
(2) the utility model provides an on-line acoustic signal acquisition and marking device, which realizes the acquisition and data storage of vibration noise and other physical quantities in the product operation process by acquiring the relevant switching value and automatically triggering; the traditional manual control is replaced by the automatic sampling triggering mode, and the automation and the intellectualization of the whole detection process are favorably realized.
Drawings
Fig. 1 is a schematic structural diagram of an on-line acoustic signal collecting and marking device provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of an on-line acoustic signal collecting and marking apparatus provided in an embodiment of the present invention; as shown in fig. 1, the on-line acoustic signal collecting and marking device includes a sensor, a data collecting device and a display control terminal;
the sensor is mainly used for collecting signals such as noise, vibration, voltage and current and the like generated in the operation process of a product; the sensor unit comprises a vibration acceleration sensor, a microphone and an electric signal transmitter;
the vibration acceleration sensor is placed on the surface of a product to be detected and used for collecting vibration signals in the running process of the product; in the embodiment, a B & K three-way vibration acceleration sensor is selected and can be replaced by other vibration acceleration sensors of the same type according to actual needs.
The microphone is arranged at the near end of a product to be detected through a bracket and is used for acquiring a noise signal in the operation process of the product; the embodiment selects the PCB type microphone for the semi-free field, and can be replaced by other microphones of the same type according to actual needs; the auxiliary bracket is mainly used for fixing and installing the microphone.
The electric signal transmitter is connected with a power supply assembly of a product to be detected and used for acquiring alternating current or direct current voltage and current signals of the product and converting the alternating current or direct current voltage and current signals into direct current voltage and current signals within the allowable amplitude range of the data acquisition equipment, so that the data acquisition system can pick the signals conveniently.
The data acquisition equipment is electrically connected with the sensor and used for acquiring the acoustic signals acquired by the sensor unit; the data acquisition equipment comprises a dynamic signal acquisition board card and an analog input board card;
the dynamic signal acquisition board card is connected with the vibration acceleration sensor and the microphone and is used for sampling vibration signals acquired by the vibration acceleration sensor and noise signals acquired by the microphone;
the analog input board card is connected with the electric signal transmitter and used for collecting direct-current voltage and current signals from the electric signal transmitter.
As a preferred preference of this embodiment, the data acquisition device further includes a digital input/output board card; the digital input/output board card is connected with a switch component of a product to be detected and is used for acquiring a switching value signal of the product to be detected; and then the dynamic signal acquisition board card and the analog input board card are controlled to execute sampling action according to the change of the switching value signal, so that automatic trigger sampling is realized. For example: when the switching value signal is changed from 0 to 1, the to-be-detected product is started to operate, at the moment, the digital input/output board card sends a control signal to trigger the dynamic signal acquisition board card to acquire vibration signals and noise signals from the vibration acceleration sensor and the microphone, and simultaneously trigger the analog input board card to acquire voltage and current signals from the electric signal transmitter; the traditional manual control is replaced by the automatic sampling triggering mode, and the automation and the intellectualization of the whole detection process are favorably realized.
The data acquisition equipment also comprises an Ethernet case; the dynamic signal acquisition board card, the analog input board card and the digital input/output board card are all arranged in the Ethernet case. In this embodiment, the hardware of the data acquisition device is implemented by using an NI component, which includes an NI cDAQ9184 chassis, an NI9234, an NI 9221, and an NI 9402; the 4-slot Ethernet CompactDAQ case is a CompactDAQ Ethernet case powered through a bus and is specially designed for a small-sized, remote or distributed sensor measurement system. The chassis may also control timing, synchronization, and data transfer between the C-series I/O module and an external host. NI9234 is a 4 passageway dynamic signal collection module, can carry out high accuracy measurement to acceleration sensor. The dynamic range of NI9234 was 102dB with integrated circuit piezoelectric (IEPE) signal conditioning at 2mA constant current for accelerometers and microphones. The 4 input channels may be sampled simultaneously at a speed of up to 51.2 kS/s. NI 9221 is an analog input module that can be used in CompactDAQ and CompactRIO systems. NI 9221 can provide 8 channels + -60V input with a sample rate of 800 kS/s. NI 9221 mainly realizes the collection of voltage, current signal. NI 9402 is a digital input/output module that can be used in any CompactDAQ and CompactRIO system, and can be configured with channel direction as input or output for each channel. Each channel transient isolation was 1000Vrms between the channel and the back plate. NI 9402 mainly enables the acquisition of switching values, thus enabling automatic trigger sampling.
The display control terminal is connected with the data acquisition equipment and is used for displaying a plurality of groups of acoustic signals acquired from the data acquisition equipment and marking abnormal samples in the acoustic signals; when the on-line product has abnormal sound, the worker can mark the abnormal sample by clicking the confirmation button on the operation interface of the display control terminal, and the product is defaulted to be normal if no operation is performed because the probability of the abnormal sound of the on-line product is low. The display and control terminal needs to support touch screen operation or be connected with external input equipment such as a keyboard and a mouse so as to realize the function of marking abnormal samples; in this embodiment, the display and control terminal selects an industrial tablet pc of the porphyry PPC-6120 model, which supports touch screen operation, and the whole hardware configuration is suitable for display and control in an industrial place.
The display control terminal comprises a display, a configuration module and a memory; the display is connected with the dynamic signal acquisition board card, the analog input board card and the digital input/output board card, mainly completes the display of the acquired signal, sets a data marking button, receives a marking instruction input from external equipment such as a keyboard, a mouse and the like, and realizes the marking of an abnormal sample; after the system runs, a test time history chart of various signals is displayed on an interface of a display in real time; one end of the configuration module is connected with the dynamic signal acquisition board card, the analog input board card and the digital input/output board card respectively; the other end is connected with a memory; the configuration module is mainly used for configuring parameters such as signal sensitivity, sampling frequency, triggering mode and the like of the data acquisition equipment, and setting the storage position of the acquired acquisition signal in the memory; the memory is mainly used for storing collected acoustic signals, supports txt/wav data format, and can store vibration signals, noise signals, voltage and current signals and switching value signals separately.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An on-line acoustic signal acquisition and marking device is characterized by comprising a sensor, a data acquisition device and a display control terminal;
the sensor is arranged at the near end of a product to be detected so as to collect acoustic signals generated in the running process of the product; the acoustic signals comprise noise signals, vibration signals and voltage current signals;
the data acquisition equipment is electrically connected with the sensor unit to acquire acoustic signals acquired by the sensor unit;
the display control terminal is connected with the data acquisition equipment and is used for displaying and marking abnormal samples in a plurality of groups of acoustic signals acquired from the data acquisition equipment.
2. The on-line acoustic signal collection and tagging device of claim 1, wherein said sensors comprise a vibration acceleration sensor, a microphone, and an electrical signal transducer; the vibration acceleration sensor, the sound pick-up and the electric signal transmitter are all electrically connected with the data acquisition equipment;
the vibration acceleration sensor is placed on the surface of a product to be detected so as to acquire a vibration signal in the running process of the product; the sound pick-up is placed at the near end of a product to be detected so as to collect noise signals in the running process of the product; one end of the electric signal transmitter is connected with a power supply assembly of the product to be detected so as to acquire alternating current or direct current voltage and current signals of the product, and the other end of the electric signal transmitter is connected with data acquisition equipment.
3. The on-line acoustic signal collection and tagging device of claim 2, wherein the data collection device comprises a dynamic signal collection board and an analog input board;
the dynamic signal acquisition board card is connected with the vibration acceleration sensor and the sound pick-up; the analog input board card is connected with the electric signal transmitter.
4. The on-line acoustic signal collection and tagging device of claim 3, wherein the data collection device further comprises a digital input output board card;
one end of the digital input/output board card is connected with a switch component of a product to be tested, and the other end of the digital input/output board card is connected with the dynamic signal acquisition board card and the analog input board card respectively.
5. The on-line acoustic signal collection and tagging device of claim 4, wherein the data collection device further comprises an ethernet chassis; the dynamic signal acquisition board card, the analog input board card and the digital input/output board card are all arranged in the Ethernet case.
6. The on-line acoustic signal collection and marking device of claim 5, wherein the display and control terminal comprises a display, a configuration module, and a memory;
the display is connected with the dynamic signal acquisition board card, the analog input board card and the digital input/output board card respectively; one end of the configuration module is connected with the dynamic signal acquisition board card, the analog input board card and the digital input/output board card respectively; the other end is connected with the memory.
7. The on-line acoustic signal collection and labeling device of claim 6, wherein the display supports touch screen operation or is connected to an external input device for inputting labeling instructions to label the abnormal sample.
8. An on-line acoustic signal collection and tagging device according to claim 2 or claim 7 wherein said microphone comprises a cradle and a microphone secured to said cradle.
9. The on-line acoustic signal collection and marking device of claim 8, wherein the display and control terminal is an industrial tablet computer.
10. The on-line acoustic signal acquisition and tagging device of claim 9, wherein said data acquisition device employs an NI component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920389377.9U CN209841180U (en) | 2019-03-22 | 2019-03-22 | Online acoustic signal gathers and marking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920389377.9U CN209841180U (en) | 2019-03-22 | 2019-03-22 | Online acoustic signal gathers and marking device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457434A (en) * | 2020-04-15 | 2020-07-28 | 宁波方太厨具有限公司 | Range hood and resonance abnormal sound eliminating method thereof |
| CN113739898A (en) * | 2021-08-27 | 2021-12-03 | 中国电子科技集团公司第十一研究所 | Detector signal acquisition system |
-
2019
- 2019-03-22 CN CN201920389377.9U patent/CN209841180U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457434A (en) * | 2020-04-15 | 2020-07-28 | 宁波方太厨具有限公司 | Range hood and resonance abnormal sound eliminating method thereof |
| CN111457434B (en) * | 2020-04-15 | 2022-05-17 | 宁波方太厨具有限公司 | Range hood and resonance abnormal sound eliminating method thereof |
| CN113739898A (en) * | 2021-08-27 | 2021-12-03 | 中国电子科技集团公司第十一研究所 | Detector signal acquisition system |
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Effective date of registration: 20200511 Address after: 315000 a40, building 4, No. 2, Lane 189, Canghai Road, high tech Zone, Ningbo City, Zhejiang Province Patentee after: Ningbo Huisheng Zhichuang Technology Co., Ltd Address before: 430205, East Lake New Technology Development Zone, Wuhan City, Hubei, No. 4, Buddha Road, three Patentee before: WUHAN YUANHAI BOCHUANG TECHNOLOGY Co.,Ltd. |