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Raman optical equipment automatic control system

A technology of automatic control and optical equipment, applied in the direction of control/adjustment system, non-electric variable control, temperature control, etc., to achieve high maintainability, improve accuracy, and reduce personnel costs

Active Publication Date: 2022-05-20
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing control system for Raman spectroscopy detection equipment still has deficiencies in the precise control of temperature and reliable control of the motor, so it is necessary to provide a more reliable control system for Raman optical equipment

Method used

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  • Raman optical equipment automatic control system
  • Raman optical equipment automatic control system
  • Raman optical equipment automatic control system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Such as figure 1 As shown, a Raman optical equipment automation control system in this embodiment includes: a host computer 10, a power supply module 11, a master control module 13, an audible and visual alarm module 12, a laser baffle control module 14, and an attenuation sheet control module 15 , a transflective film control module 16, a temperature control module, a confocal aperture control module 18 and a shutter control module 19;

[0061] The master control module 13 is connected to the upper computer 10 through communication, the sound and light alarm module 12, the laser baffle control module 14, the attenuation sheet control module 15, the transflective sheet control module 16, the temperature control module, and the confocal aperture control module 18 And the shutter control module 19 is connected with the master control module 13 .

[0062] Wherein, the laser baffle control module 14 is used to perform closed-loop control on the position of the baffle 23, s...

Embodiment 2

[0103] In this embodiment, the control system of the present invention will be described in detail by taking the Raman optical device to detect the Raman peak intensity of the Raman carbon-hydrogen (C-H) bond in living cells as an example.

[0104] The control method of the control system of the present invention comprises the following steps:

[0105] S1. The user sets the temperature parameter to 25°C and the attenuation plate parameter to OD=0.5 through the host computer 10, and sends it to the master control chip through RS232; the master control module 13 analyzes the data sent by the host computer 10 according to the communication protocol, and passes Scheduling of the CAN bus, sending specific control instructions to each control module. The temperature control module controls the Peltier 170 to adjust the temperature after receiving the temperature parameters sent by the main control chip. The temperature sensor 172 transmits the real-time temperature to the temperatu...

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Abstract

The invention discloses an automatic control system for Raman optical equipment, comprising: a host computer, a power supply module, a master control module, an acousto-optic alarm module, a laser baffle control module, an attenuation sheet control module, a semi-transparent and semi-reflective sheet control module, Temperature control module, confocal aperture control module and shutter control module. The temperature control module of the present invention can achieve precise temperature control through the cooperation of the designed algorithm and hardware, which can prevent the detection results from being affected by the components in the Raman spectrum detection equipment due to temperature changes that make the optical path cheap, and can ensure the Raman The internal temperature of the spectral detection equipment is constant, and the stability of the optical path is improved. The invention can effectively protect the detected cells through the laser baffle control module and the attenuation sheet control module; the invention can effectively improve the quality of detection signals through the confocal small hole control module and the shutter control module.

Description

technical field [0001] The invention relates to the field of Raman imaging, in particular to an automatic control system for Raman optical equipment. Background technique [0002] Raman spectroscopy detection technology is a detection technology that uses a group of related optical components to analyze the Raman scattering spectrum of a compound at a specific excitation wavelength to obtain the molecular structure information of the compound. This detection technology can realize sample analysis without fluorescent staining and labeling, and has the advantages of fast, non-destructive and accurate. [0003] The optical components used in Raman spectroscopy detection equipment can be automatically controlled by stepping motors. The working principle of the stepper motor can convert the electrical pulse signal into the corresponding angular displacement or linear displacement. The stepper motor is a special motor for control, it cannot be directly connected to the DC power ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/20
CPCG05D23/20Y02P90/02
Inventor 何帅黄霞张礼豪刘风翔
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI