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Laser vibration measurement equipment and adjusting method thereof

A technology for laser vibration measurement and equipment, which is used in measurement devices, measurement of ultrasonic/sonic/infrasonic waves, instruments, etc. problems, to achieve the effect of helping large-scale deployment and use, reducing the amount of manual operations, reducing size and weight

Active Publication Date: 2017-01-11
NINGBO SUNNY INTELLIGENT TECH CO LTD +1
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

After using a large-sized lens, the volume and weight of the entire vibrometer will increase, and it will also increase the manufacturing cost of the vibrometer itself
[0006] Aiming at the problems of large volume, weight and high cost of vibration measuring equipment in the prior art, no effective solution has been proposed so far

Method used

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  • Laser vibration measurement equipment and adjusting method thereof
  • Laser vibration measurement equipment and adjusting method thereof
  • Laser vibration measurement equipment and adjusting method thereof

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Embodiment Construction

[0050] The description of this illustrative embodiment should be taken in conjunction with the accompanying drawings, which should be considered a part of this complete specification. In the drawings, the shapes or thicknesses of the embodiments may be exaggerated and marked for simplification or convenience. Furthermore, parts of each structure in the drawings will be described separately. It should be noted that elements not shown in the drawings or described in words are forms known to those of ordinary skill in the art.

[0051] In the embodiments described below, the technical features in these embodiments will be described separately, and these features may exist independently or in combination, and the present invention is not particularly limited to preferred embodiments. The scope of the invention is defined by the claims.

[0052] According to an embodiment of the present invention, a laser vibrometer device is provided.

[0053] figure 1 is a side view of a laser...

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Abstract

The invention discloses laser vibration measurement equipment and an adjusting method thereof. The equipment comprises a first laser device, a second laser device, a third laser device and a focusing device. The focusing device comprises a plurality of lenses. Light emitted by the third laser device is transmitted along optical axes of the multiple lenses. A first light path changing device is arranged on the light emitting light path of the first laser device. A second light path changing device is arranged on the light emitting light path of the second laser device. Light emitted by the first light path changing device and the second light path changing device is parallel to light emitted by the third laser device. The focusing device is used for performing focusing on parallel light from the first and second light path changing devices and the third laser device. The distance between the light emitting light path of the third laser device and each light emitting light path in the first and second light path changing devices is a first distance. The minimum distance between the light emitting light path of the third laser and the light emitting positions of the first laser device and the second laser device is a second distance. The first distance is smaller than the second distance.

Description

technical field [0001] The invention relates to the field of laser measurement, and in particular, relates to a laser vibration measurement device and an adjustment method thereof. Background technique [0002] Vibration widely exists in various fields such as life, industrial production, and scientific research. In these fields, there is a great demand for the measurement of vibrations. Vibration measurement is divided into contact measurement and non-contact measurement. Among them, non-contact measurement will not affect the original state of vibration, and the measurement results are more accurate and reliable, which has become the development direction of vibration measurement. [0003] At present, the relatively mature non-contact vibration measurement technology is laser Doppler technology, which generally adopts a heterodyne structure. Laser vibration measurement has many advantages such as non-contact, high precision, and easy installation. It has been widely use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H9/00
CPCG01H9/00
Inventor 宋耀东杨兴宋云峰刘志方
Owner NINGBO SUNNY INTELLIGENT TECH CO LTD
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