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Detection signal processing device and method

A technology for detecting signals and processing methods, applied in measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve the problems of low cost and small size, achieve high reduction, simplify circuit design, and reduce costs.

Active Publication Date: 2016-02-24
SHENZHEN YATEKS OPTICAL ELECTRONICS TECH CO LTD
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to overcome the defects that the bearing detection device in the prior art cannot take into account small size, low cost and dynamic restoration of analog detection signals

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  • Detection signal processing device and method
  • Detection signal processing device and method
  • Detection signal processing device and method

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Embodiment Construction

[0068] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0069] Embodiment 1 of the present invention provides a detection signal processing device. The detection signal processing can be applied to fault detection devices of various mechanical equipment, such as a fault detection device of bearings. see figure 1 , the device includes an audio signal processing circuit 11 , a display circuit 12 , a controller 13 , an amplifier operation circuit 14 , a signal preprocessing circuit 15 and a two-channel analog switch 16 . In practical applications, the electrical components, modules, and circuits of this embodiment can be increased or decreased according ...

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Abstract

The invention relates to the technical field of bearing fault detection, in particular to a detection signal processing device and method. The method comprises the following steps: an audio processing line receives a first sensor signal; after the first sensor signal is processed, the processed first sensor signal is output to an earphone; and if a recording instruction sent from a control unit is received, the first sensor signal is sampled, and the sampled first sensor signal is converted into a digital signal, and the digital signal is sent to a control unit to be stored. When a detection device carries out real-time auscultation on a mechanical device, detection data is converted into the digital signal so as to store the digital signal by a lossless audio format, so that the digital signal can be stored in external storage devices, including an SD (Secure Digital Memory) card, a data acquisition card with large volume and high price does not need to be used, cost is lowered, and circuit design is simplified.

Description

【Technical field】 [0001] The invention relates to the technical field of bearing fault detection, in particular to a detection signal processing device and method. 【Background technique】 [0002] As modern production enters scale and automation, rolling bearings, as basic rotating machinery parts, are widely used in various fields of national production, and their operating status has a great impact on the normal operation of equipment. According to statistics, about 30% of mechanical failures in our country are caused by bearing damage every year. During the operation of bearings, due to fatigue wear, indentation, cracks, surface peeling, etc., the bearings are damaged and shock vibration occurs. Once a failure occurs, In the slightest, it will affect the work of the entire equipment, and in the severest case, it will cause personal injury. In order to better monitor the operating state of the bearing and avoid sudden failures, the existing technology usually detects the b...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/08G01H17/00
CPCG01H17/00G06F3/08
Inventor 韩骞逸陈桂东汪甜郑小蓉刘依霞朱诗晓管红全任晓晶
Owner SHENZHEN YATEKS OPTICAL ELECTRONICS TECH CO LTD
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