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Automatic focusing mechanism of Raman spectrometer

A Raman spectrometer and automatic focusing technology, applied in the field of Raman spectrometers, can solve problems such as the effect of affecting detection, and achieve the effect of stable positioning

Pending Publication Date: 2022-04-19
北京简智仪器设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using the existing Raman spectrometer, it is necessary to align the sample and ensure that the sample and the laser focus of the Raman spectrometer are in a suitable position. If the sample cannot be well aligned with the Raman laser, the detection effect will be affected.

Method used

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  • Automatic focusing mechanism of Raman spectrometer
  • Automatic focusing mechanism of Raman spectrometer
  • Automatic focusing mechanism of Raman spectrometer

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Embodiment Construction

[0022] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0023] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise specified and...

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Abstract

The invention relates to the technical field of Raman spectrometers, and discloses an automatic focusing mechanism of a Raman spectrometer, which comprises a motor bracket, a direct-current gear motor, a transmission gear rotating shaft bracket, a transmission gear, a coded disc gear, a probe, a reset detection photoelectric switch and a hole site detection photoelectric switch. According to the invention, the direct-current gear motor drives the gear transmission to realize rapid and automatic focusing of the probe; the photoelectric switch realizes accurate multi-stage positioning of the probe by detecting a positioning hole in a coded disc gear; the position of the probe is effectively limited by the selective rotation feeding groove on the motor bracket, so that the positioning is stable, and the problems that the focus of the Raman spectrometer cannot be adjusted according to different conditions and the proper position of a sample and the laser focus of the Raman spectrometer cannot be ensured in the prior art are effectively solved.

Description

technical field [0001] The invention relates to the technical field of Raman spectrometers, in particular to an automatic focusing mechanism of Raman spectrometers. Background technique [0002] In recent years, with the maturity of surface-enhanced Raman technology, Raman detection technology has been applied to more and more scenarios, especially in the fields of food detection, explosive detection, and drug raw and auxiliary materials detection. Raman detection equipment can quickly detect illegal additives, pesticide residues and veterinary drug residues in food and other illegal ingredients. As a fast detection instrument, the Raman spectrometer is more portable and can be more conveniently applied to various usage scenarios. When using the existing Raman spectrometer, it is necessary to align the sample and ensure that the sample and the laser focus of the Raman spectrometer are in a suitable position. If the sample cannot be well aligned with the Raman laser, the det...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01G01N21/65
CPCG01N21/01G01N21/65
Inventor 张吉仁刘峰段斌马建雄
Owner 北京简智仪器设备有限公司
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