CN219891094U

CN219891094U - Microscopic laser Raman spectrometer

Info

Publication number: CN219891094U
Application number: CN202321224530.5U
Authority: CN
Inventors: 李佳; 汪安; 金尚忠; 张凡利; 李剑锋
Original assignee: China Jiliang University
Current assignee: China Jiliang University
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-10-24
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a microscopic laser Raman spectrometer, which comprises a base, wherein the left side of the upper end surface of the base is provided with a laser capable of emitting laser beams, the right side of the laser is provided with a lens capable of sliding, the right side of the lens is provided with a sample table capable of placing a sample, the upper side of the sample table is provided with a microscope capable of positioning and observing the sample, the right side of the sample table is provided with a spectrometer, the front side of the spectrometer is provided with a detector capable of converting the spectrum into an electric signal for analysis.

Description

Microscopic laser Raman spectrometer

Technical Field

The utility model relates to the field of spectrometers, in particular to a micro-laser Raman spectrometer.

Background

The existing micro-laser Raman spectrometer has a complex structure and certain defects in use, when a laser is used for a test, the distance of a lens and the distance of a sample are required to be adjusted to gather light beams on the sample, so that Raman scattering is generated, and meanwhile, the sample is required to be positioned and observed through a microscope, so that the existing micro-laser Raman spectrometer is required to be replaced by the micro-laser Raman spectrometer capable of automatically adjusting the positions of the lens and the sample;

in this regard, patent publication No. CN212228741U discloses a micro-laser raman spectrometer, which includes a visible light optical path structure, a laser optical path structure, and a sample signal optical path structure; the visible light path structure comprises a visible light source, a first half-reflecting half-lens, a second half-reflecting half-lens, a first reflecting mirror, a micro objective, a first focusing lens, an optical lens and an imaging camera, wherein the micro objective is positioned below the first reflecting mirror; the laser light path structure comprises a laser and a Raman filter; the sample signal light path structure comprises a signal detector and a focusing lens group; the visible light path structure, the laser light path structure and the sample signal light path structure all share the first half-reflecting half-lens. The micro laser Raman spectrometer adopts no optical fiber coupling, can effectively reduce signal loss, and is beneficial to improving sensitivity. (ESM) the same utility model is created and the patent of the utility model is filed on the same date;

the micro laser raman spectrometer in the above case does not solve the problem that the manual adjustment of the lens and the sample position is not simple enough and not accurate enough.

Disclosure of Invention

The utility model aims to provide a micro-laser Raman spectrometer which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a microscopic laser Raman spectrometer, includes the base, base up end left side is equipped with the laser instrument that can launch laser beam, the laser instrument right side is equipped with can gliding lens, the lens right side is equipped with the sample platform that can place the sample, sample platform upside is equipped with the microscope that can fix a position and observe the sample, sample platform right side is equipped with the spectrum appearance, the spectrum appearance front side is equipped with the detector that can carry out analysis with spectral conversion to the signal of telecommunication.

The utility model provides a laser instrument, including the base, the base includes the scattering mechanism that is equipped with on the base, the scattering mechanism includes two support frames of base up end left side fixedly connected with, the laser instrument is fixed on the support frame, the first electronic slide rail of base up end fixedly connected with, power is connected with first slider in the first electronic slide rail, first slider fixedly connected with is equipped with the connecting block of lens, first electronic slide rail right side be equipped with fixedly connected with in the second electric putter of base up end, second electric putter power is connected with the second slider, sample stage fixedly connected with in second slider up end, thereby for through automatically regulated lens with the position of sample stage makes laser beam gathering that the laser instrument sent on the sample.

The utility model has the advantages of, the base includes detection mechanism who is equipped with on the base, detection mechanism includes base up end fixedly connected with is located the observation support of second electric putter department, the observation support is equipped with the observation through-hole, two fixed plates of symmetry around observation support up end fixedly connected with, the front side fixed plate fixedly connected with motor, motor power connection has the other end and the rear side the axis of rotation that the fixed plate rotated and is connected, axis of rotation fixedly connected with is located the turning block between the fixed plate, turning block fixedly connected with can fix a position and observe the microscope of sample, the spectrum appearance with be equipped with the electric wire between the detector to can be with spectral conversion to the signal of telecommunication and carry out the analysis.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can emit light beams through the laser, the lens and the sample stage, and collect the light beams on the sample placed on the sample stage through the lens so as to generate Raman scattering.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view in section A-A of FIG. 2;

FIG. 4 is a schematic view in section B-B of FIG. 2;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

FIG. 6 is a three-dimensional schematic of a scattering mechanism according to the present utility model;

FIG. 7 is a three-dimensional schematic of the detection mechanism of the present utility model.

In the figure: 100. a base; 101. a support frame; 102. a laser; 103. a first electric slide rail; 104. a lens; 105. observing a bracket; 106. a sample stage; 107. a microscope; 108. a spectrometer; 109. a detector; 110. an electric wire; 111. a second electric push rod; 112. a first slider; 113. a connecting block; 114. a second slider; 115. a rotating block; 116. a rotating shaft; 117. a fixing plate; 118. a motor; 119. observing the through hole; 120. a scattering mechanism; 121. and a detection mechanism.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1:

referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a micro laser Raman spectrometer, includes base 100, base 100 up end left side is equipped with the laser instrument 102 that can emit laser beam, laser instrument 102 right side is equipped with can gliding lens 104, lens 104 right side is equipped with the sample platform 106 that can place the sample, sample platform 106 upside is equipped with the microscope 107 that can fix a position and observe the sample, sample platform 106 right side is equipped with spectrometer 108, spectrometer 108 front side is equipped with the detector 109 that can carry out analysis with spectral conversion into the signal of telecommunication.

The base 100 comprises a scattering mechanism 120 arranged on the base 100, the scattering mechanism 120 comprises two supporting frames 101 fixedly connected to the left side of the upper end face of the base 100, the laser 102 is fixed on the supporting frames 101, the upper end face of the base 100 is fixedly connected with a first electric sliding rail 103, a first sliding block 112 is dynamically connected in the first electric sliding rail 103, the first sliding block 112 is fixedly connected with a connecting block 113 provided with a lens 104, the right side of the first electric sliding rail 103 is provided with a second electric push rod 111 fixedly connected to the upper end face of the base 100, the second electric push rod 111 is dynamically connected with a second sliding block 114, and the sample table 106 is fixedly connected to the upper end face of the second sliding block 114, so that laser beams emitted by the laser 102 are gathered on a sample by automatically adjusting the positions of the lens 104 and the sample table 106;

the base 100 includes detection mechanism 121 that is equipped with on the base 100, detection mechanism 121 includes base 100 up end fixedly connected with is located the observation support 105 of second electric putter 111 department, observation support 105 is equipped with and observes through-hole 119, two fixed plates 117 of symmetry around observation support 105 up end fixedly connected with, the front side fixed plate 117 fixedly connected with motor 118, motor 118 power is connected with the other end and rear side fixed plate 117 rotates the axis of rotation 116 of being connected, axis of rotation 116 fixedly connected with is located the turning block 115 between the fixed plate 117, turning block 115 fixedly connected with can fix a position and observe the microscope 107 of sample, be equipped with electric wire 110 between spectrum appearance 108 and the detector 109 to can be with spectral conversion to the signal of telecommunication and analyze.

Working principle:

the light is turned off firstly, then the laser 102 is started, a laser beam is emitted, the first sliding block 112 is driven to move through the first electric sliding rail 103, the connecting block 113 is driven to move, the lens 104 is driven to adjust the left and right positions, the second sliding block 114 is driven to move through the second electric push rod 111, the sample table 106 is driven to move, the position of a sample placed on the sample table 106 is adjusted, and therefore the sample is automatically irradiated with the beam.

During adjustment, the motor 118 is started to drive the rotating shaft 116 to rotate, so as to drive the rotating block 115 to rotate, so as to drive the microscope 107 to rotate, thereby positioning and observing the sample, and when the sample is irradiated by laser, raman scattering is generated, the raman scattering is collected through the spectrometer 108 to form a spectrum, and the spectrum is converted into an electric signal through the detector 109, so that analysis is performed, and parameters of the sample are obtained.

It will be apparent to those skilled in the art that various modifications and variations can be made to the disclosed embodiments. Other embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the disclosed system. It is intended that the specification and examples be considered as exemplary only, with a true scope being indicated by the following claims and their equivalents.

Claims

1. The utility model provides a micro laser Raman spectrometer, includes base (100), base (100) up end left side is equipped with laser instrument (102) that can launch laser beam, its characterized in that: the utility model discloses a laser instrument, including laser instrument (102), sample platform (106), microscope (107) that can fix a position and observe the sample are equipped with on laser instrument (102) right side, lens (104) right side is equipped with sample platform (106) that can place the sample, sample platform (106) upside is equipped with spectrum appearance (108), spectrum appearance (108) front side is equipped with detector (109) that can carry out analysis with spectral conversion into the signal of telecommunication.

2. A micro-laser raman spectrometer according to claim 1, wherein: two support frames (101) are fixedly connected to the left side of the upper end face of the base (100), and the laser (102) is fixed to the support frames (101).

3. A micro-laser raman spectrometer according to claim 2, wherein: the lens is characterized in that a first electric sliding rail (103) is fixedly connected to the upper end face of the base (100), a first sliding block (112) is dynamically connected in the first electric sliding rail (103), and a connecting block (113) provided with the lens (104) is fixedly connected to the first sliding block (112).

4. A micro-laser raman spectrometer according to claim 3, wherein: the right side of the first electric sliding rail (103) is provided with a second electric push rod (111) fixedly connected to the upper end face of the base (100), the second electric push rod (111) is in power connection with a second sliding block (114), and the sample table (106) is fixedly connected to the upper end face of the second sliding block (114).

5. A micro-laser raman spectrometer according to claim 4, wherein: the base (100) up end fixedly connected with is located survey support (105) of second electric putter (111) department, survey support (105) are equipped with survey through-hole (119).

6. A micro-laser raman spectrometer according to claim 5, wherein: the observation support (105) is characterized in that two front and back symmetrical fixing plates (117) are fixedly connected to the upper end face of the observation support (105), a motor (118) is fixedly connected to the front side of the fixing plates (117), and a rotating shaft (116) with the other end rotationally connected with the rear side of the fixing plates (117) is dynamically connected to the motor (118).

7. A micro-laser raman spectrometer according to claim 6, wherein: the rotating shaft (116) is fixedly connected with a rotating block (115) positioned between the fixed plates (117), and the rotating block (115) is fixedly connected with a microscope (107) capable of positioning and observing a sample.

8. A micro-laser raman spectrometer according to claim 7, wherein: an electric wire (110) is arranged between the spectrometer (108) and the detector (109), and the detector (109) can convert a spectrum into an electric signal for analysis.