Equipment and method for detecting abnormal sound of device
A technology for equipment abnormality and sound detection, which is applied in speech analysis, instruments, alarms, etc., can solve the problems of not eliminating the difference in magnitude of sound samples, unable to distinguish abnormal sounds, and audio features are not prominent, etc., to achieve clustering Effects with remarkable effect, low misconvergence rate, and excellent audio characteristics
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Embodiment 1
[0047] This embodiment provides a specific structure of equipment for abnormal sound detection of equipment, such as figure 1 As shown in -3, a device for detecting abnormal sound of equipment includes a device main body 1, and the device main body 1 includes a front-end data collector and an edge computing container;
[0048] The front-end data collector is a device that can collect audio features and compress, transmit and store data signals. The device includes an audio collection module 2, an audio service module 3 and a storage module 4;
[0049] The edge computing container is a device that can acquire data and has computing and analysis capabilities. The device includes an arm development board 5 , a network communication module 6 , an alarm module 7 and a power supply module 8 .
[0050] Such as figure 2 and 3 As shown, the audio acquisition module 2 adopts a pickup device, which can realize high-fidelity recording operation in outdoor and long-distance environments. ...
Embodiment 2
[0058] This embodiment provides a specific use method and detection steps of a device and method for abnormal sound detection of equipment, such as Figure 4 shown, follow the steps below:
[0059] (1) Start the abnormal sound detection equipment;
[0060] (2) Abnormal sound detection equipment does not need to be close to the detected equipment, and is placed near the end of the detected equipment to trigger the starting end of the audio acquisition module 2, and the audio acquisition module 2 collects the audio data of the detected equipment in real time;
[0061] (3) adopt audio service module 3 to receive the audio data of audio collection module 2, carry out digital signal compression and transmission;
[0062] (4) Transfer the compressed digital signal to the arm development board 5 in the edge computing container; for the modeling of the application scene and noise recognition, enter the training program, the arm development board 5 trains the normal equipment operatio...
Embodiment 3
[0067] This embodiment provides real-time collection of audio data of the operating equipment through the front-end data collector, slices the audio data, analyzes the characteristics of the sliced audio data and compares the characteristics of the normal operation of the equipment in the experimental data, and accurately identifies the failure of the operating equipment Specific steps when the abnormal sound, such as Figure 5 -7 shows,
[0068] After step S3, the audio data of the operating equipment is collected in real time by the front-end data collector, and the audio data is sliced, and in step S4, the arm development board 5 is used to process the sliced data; as Figure 5-7 As shown, the specific steps of the above operation are as follows:
[0069] A. Obtain and integrate the operating sound information of the equipment to be detected, and establish an audio database.
[0070] B. Read the data in the audio database, including dividing the training-test set, sli...
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