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Detecting equipment and detecting method of infrasound

A detection equipment and infrasound technology, applied in the detection field, can solve the problems of poor anti-electromagnetic interference ability, performance and use limitations, and potential dangers of electrical parameter sensors, and achieve the effects of low processing accuracy, simple structure and high sensitivity

Inactive Publication Date: 2010-07-28
黄万平
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] 3. This type of electrical parameter sensor has poor anti-electromagnetic interference ability and is potentially dangerous in an inflammable and explosive environment, which greatly limits its performance and use

Method used

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  • Detecting equipment and detecting method of infrasound
  • Detecting equipment and detecting method of infrasound
  • Detecting equipment and detecting method of infrasound

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Experimental program
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Embodiment Construction

[0029] Embodiments of the present invention are described in detail below in conjunction with accompanying drawings:

[0030] Such as Figure 1 to Figure 3 As shown, an infrasound detection device includes an optical input device 1, a beam splitter 2, a reflector 3, a detection mirror 4, a light detection element 5 and a signal processing device; the detection mirror 4 is installed on the base through an infrasonic vibration ring 17 18, the detection mirror 4 is opposite to the optical input device 1, the reflection mirror 3 is opposite to the light detection element 5, and the connection line between the detection mirror 4 and the light input device 1 is perpendicular to the connection line between the reflection mirror 3 and the light detection element 5, and The connecting line between the detection mirror 4 and the optical input device 1 and the connecting line between the reflecting mirror 3 and the light detecting element 5 are at an angle of 45 degrees relative to the b...

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PUM

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Abstract

The invention discloses detecting equipment and a detecting method of infrasound. The detecting equipment comprises a light input device, a spectroscope, a reflecting mirror, a detecting mirror, a light detecting element and a signal processing device, wherein the detecting mirror is installed on a base by an infrasound vibrating ring and is opposite to the light input device; the reflecting mirror is opposite to the light detecting element; a connecting line of the detecting mirror and the light input device is perpendicular to a connecting line of the reflecting mirror and the light detecting element, and both the connecting line of the detecting mirror and the light input device and the connecting line of the reflecting mirror and the light detecting element form an angle of 45 degrees relative to the spectroscope; and the light detecting element is electrically connected with the signal processing device. The invention has simple structure, high sensitivity and strong interference resistance.

Description

technical field [0001] The invention belongs to the detection field, and in particular relates to an infrasound detection device and a detection method. Background technique [0002] Existing infrasound detection equipment mainly includes capacitive infrasound sensors and fiber optic infrasound sensors. [0003] For capacitive infrasound sensors, the disadvantages are: [0004] 1. It requires fine structure, strict design, strict material selection, especially very high machining accuracy, and the main parts require super-finishing; [0005] 2. In order to ensure long-term stability, the best insulator should be selected, and ultra-high cleanliness is also required in the system; [0006] 3. This type of electrical parameter sensor has poor anti-electromagnetic interference ability, and is potentially dangerous in an inflammable and explosive environment, which greatly limits its performance and use. [0007] For fiber optic infrasound sensors, the technical requirements ...

Claims

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Application Information

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IPC IPC(8): G01H9/00
Inventor 黄万平黄斌郑辉许湘苗林晓虹
Owner 黄万平
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