CN219737285U - Focusing mechanism of Raman spectrometer - Google Patents

Abstract

The utility model discloses a focusing mechanism of a Raman spectrometer, which comprises a base, wherein a lifting mechanism and a focusing mechanism are arranged on the base, the lifting mechanism comprises a fixed shaft fixedly connected with the base, the fixed shaft is fixedly connected with a fixed frame, the fixed frame is rotationally connected with a rotary table, the rotary table can rotate around the fixed frame to conveniently detect the periphery of an object to be detected, the surface of any angle of the object to be detected can be detected, the focusing mechanism comprises a teaching motor which is arranged, a light source, a light filter and a distance between the object to be detected can be controlled, the fixed frame is arranged, the fixed shaft can be fixed, an electromagnet can be used for conveniently and automatically focusing, the rotation of the light source can be facilitated through a designed power motor, the rotation of the light source to a proper position is facilitated, manual rotation is not needed, the device has a simple structure, manual participation is reduced, and the observation operation of people is facilitated.

Description

Focusing mechanism of Raman spectrometer

Technical Field

The utility model relates to the technical field of spectrometers, in particular to a focusing mechanism of a Raman spectrometer.

Background

With the maturity of surface enhanced Raman technology, the Raman detection technology is applied to more and more scenes, especially in the fields of food detection, explosive detection, detection of raw materials of medicines and the like, by means of simple pretreatment, a Raman detection instrument can rapidly detect illegal components such as illegal additives, pesticide residues, veterinary drug residues and the like in foods, the Raman spectrometer is used as a rapid detection instrument, is more convenient to carry, can be more conveniently applied to various use scenes, the existing Raman spectrometer needs to be aligned with a sample when being used, the sample is ensured to be suitable with the laser focus position of the Raman spectrometer, the detection effect can be influenced if the sample cannot be well aligned with the Raman laser, and according to practical application conditions, different sample use containers are different, the Raman spectrometer focus needs to be adjusted according to different conditions, so that a good detection effect is achieved.

Disclosure of Invention

The utility model aims to provide a focusing mechanism of a Raman spectrometer, which solves 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 focusing mechanism of Raman spectrometer, includes the base, be equipped with elevating system and focusing mechanism on the base, elevating system includes base fixed connection's fixed axle, fixed axle fixedly connected with fixed frame, fixed frame rotates and is connected with the carousel, the carousel can round fixed frame rotates, conveniently detects the face of any angle of surveyed the article all around to the article that is surveyed, focusing mechanism can detect the face of any angle of surveyed the article including the accent motor that is equipped with, can control light source, optical filter and to the distance between the measured object.

The lifting mechanism comprises an electromagnet fixedly connected with the fixed frame, a sliding rod is fixedly connected with the electromagnet, a spring is connected between the lifting mechanism and the sliding rod, a placing table is fixedly connected with the upper end of the sliding rod, an anti-slip pad is arranged on the placing table, and objects to be tested can be placed on the placing table.

The focusing mechanism comprises a base fixedly connected with a support, the support is fixedly connected with a power motor, and the power motor is in power connection with a power shaft.

The rotary table is characterized in that the rotary table is fixedly connected with a rotary motor, and the rotary motor is fixedly connected with a rotary shaft.

The optical filter is beneficial, pivot fixedly connected with movable plate, movable plate fixedly connected with transfers the teaching motor, transfer teaching motor power connection has the screw thread axle, screw thread axle threaded connection has the optical filter, the optical filter is in slide on the movable plate, movable plate upper end fixedly connected with fixed plate, fixed plate fixedly connected with laser instrument.

Compared with the prior art, the utility model has the beneficial effects that: the fixed frame that sets up can be fixed by the fixed axle, makes things convenient for the carousel to rotate around the fixed frame, makes things convenient for the light beam to remove on the object, can make things convenient for the reciprocates of object through the electro-magnet to make things convenient for the optimal viewing position of reaching of light, can adjust the position distance proportion of filter between object and laser instrument through the accent motor, make things convenient for automatic focusing, through the power motor of design, can make things convenient for the rotation of light source, make things convenient for the light source to rotate suitable position, do not need manual rotation, device simple structure, the operation reduces artifical the participation, make things convenient for people to observe the operation.

Drawings

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

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a schematic top view of FIG. 1;

FIG. 4 is a right side view of the schematic of FIG. 1;

FIG. 5 is a schematic diagram of the novel structure of the present application;

FIG. 6 is an enlarged partial schematic view of the adjustment portion of FIG. 1;

FIG. 7 is an enlarged schematic view of a portion of the focusing portion of FIG. 1;

fig. 8 is an enlarged partial schematic view of the lifting portion of fig. 5.

In the figure: 101. a base; 102. a drive gear; 103. a power motor; 104. a bracket; 105. a moving plate; 106. a teaching motor; 107. a fixing plate; 108. a laser; 109. a threaded shaft; 110. a light filter; 111. placing a table; 112. a fixed frame; 113. a turntable; 114. a slide bar; 115. a fixed shaft; 116. a rotating motor; 117. a rotating shaft; 118. a spring; 119. an electromagnet; 120. a power shaft; 121. a focusing mechanism; 122. and a lifting 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. 1-8, the present utility model provides a technical solution: the utility model provides a focusing mechanism of Raman spectrometer, includes base 101, be equipped with elevating system 122 and focusing mechanism 121 on the base 101, elevating system 122 includes base 101 fixed connection's fixed axle 115, fixed axle 115 fixedly connected with fixed frame 112, fixed frame 112 rotates and is connected with carousel 113, carousel 113 can round fixed frame 112 rotates, conveniently detects the face of any angle to the measured article all around, can detect the measured article, focusing mechanism 121 is including the teaching motor 106 that is equipped with, can control light source, optical filter and to the distance between the measured object.

The lifting mechanism 122 comprises an electromagnet 119 fixedly connected with the fixed frame 112, the electromagnet 119 is fixedly connected with a sliding rod 114, a spring 118 is connected between the lifting mechanism 122 and the sliding rod 114, the upper end of the sliding rod 114 is fixedly connected with a placing table 111, an anti-slip pad is arranged on the placing table 111, and a measured object can be placed on the placing table 111.

Referring to fig. 1 to 7, embodiment 2 differs from embodiment 1 in that:

the focusing mechanism 121 comprises a support 104 fixedly connected with the base 101, a power motor 103 is fixedly connected with the support 104, a power shaft 120 is connected with the power motor 103 in a power mode, a driving gear 102 is fixedly connected with the power shaft 120, the driving gear 102 is meshed with a rotary table 113, a rotary motor 116 is fixedly connected with the rotary table 113, and a rotary shaft 117 is fixedly connected with the rotary motor 116.

The rotating shaft 117 is fixedly connected with the moving plate 105, the moving plate 105 is fixedly connected with the teaching motor 106, the teaching motor 106 is dynamically connected with the threaded shaft 109, the threaded shaft 109 is in threaded connection with the optical filter 110, the optical filter 110 slides on the moving plate 105, the upper end of the moving plate 105 is fixedly connected with the fixed plate 107, and the fixed plate 107 is fixedly connected with the laser 108.

Working principle: placing an object to be measured on the placing table 111, then starting the laser 108, observing a part of the object to be measured when observing by a microscope, at this time, adjusting the light beam to focus on the observed part, starting the power motor 103, driving the power shaft 120 to rotate, driving the driving gear 102 to rotate, driving the turntable 113 to rotate, driving the rotating motor 116 to rotate, driving the rotating shaft 117 to rotate around the fixed frame 112, driving the moving plate 105 to rotate around the fixed frame 112, driving the fixed plate 107 to rotate, driving the laser 108 to rotate, and driving the optical filter 110 to rotate around the fixed frame 112;

when the object is moved to the upper end of the observation position, the electromagnet 119 is stopped, the slide bar 114 is moved upwards under the action of the spring 118, so that the placing table 111 is driven to move upwards, the light beam on the object is moved downwards, the light beam is automatically moved to the observation point, if the observation object is a part of a plane, after the moving plate 105 rotates the vertical plane, the electromagnet 119 controls the object to move upwards and downwards, and the light beam point and the observation point are in a uniform horizontal position;

then, the rotation motor 116 is started to drive the rotation shaft 117 to rotate, thereby driving the moving plate 105 to rotate, thereby enabling the fixed plate 107 to rotate, thereby driving the laser 108 to rotate, thereby driving the optical filter 110 to rotate, thereby enabling the light beam to move to the observation point, and because the distance between the observation point and the optical filter 110 and the distance between the optical filter 108 change at the moment, refocusing is needed, and then the adjustment motor 106 is started, thereby driving the threaded shaft 109 to rotate, thereby driving the optical filter 110 to move, enabling the light beam of the laser 108 to automatically focus on the observation part when the optical filter 110 finely adjusts and moves, and enabling the optical filter 110 to stop when the microscope observes the most comfortable visual angle by pressing the stop button.

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 (7)

1. A focusing mechanism of a raman spectrometer, comprising a base (101), characterized in that: the device is characterized in that a lifting mechanism (122) and a focusing mechanism (121) are arranged on the base (101), the lifting mechanism (122) comprises a fixed shaft (115) fixedly connected with the base (101), the fixed shaft (115) is fixedly connected with a fixed frame (112), the fixed frame (112) is rotationally connected with a rotary table (113), the rotary table (113) can rotate around the fixed frame (112), the periphery of an object to be detected can be conveniently detected, the surface of any angle of the object to be detected can be detected, and the focusing mechanism (121) comprises a teaching motor (106) which is arranged, and can control a light source, a light filter and the distance between the object to be detected;

lifting mechanism (122) are including fixed frame (112) fixed connection's electro-magnet (119), electro-magnet (119) fixedly connected with slide bar (114), lifting mechanism (122) with be connected with spring (118) between slide bar (114), slide bar (114) upper end fixedly connected with is put platform (111), put and be equipped with the slipmat on platform (111), put and to be surveyed the article on platform (111).

2. A focusing mechanism for a raman spectrometer according to claim 1, wherein: the focusing mechanism (121) comprises a base (101) fixedly connected with a support (104), and the support (104) is fixedly connected with a power motor (103).

3. A focusing mechanism for a raman spectrometer according to claim 2, wherein: the power motor (103) is in power connection with a power shaft (120), and the power shaft (120) is fixedly connected with a driving gear (102).

4. A focusing mechanism for a raman spectrometer according to claim 3 wherein: the rotary table (113) is fixedly connected with a rotary motor (116), and the rotary motor (116) is fixedly connected with a rotary shaft (117).

5. A focusing mechanism for a raman spectrometer according to claim 4 wherein: the rotating shaft (117) is fixedly connected with a moving plate (105).

6. A focusing mechanism for a raman spectrometer according to claim 5 wherein: the mobile plate (105) is fixedly connected with a teaching motor (106), and the teaching motor (106) is in power connection with a threaded shaft (109).

7. A focusing mechanism for a raman spectrometer according to claim 6 wherein: the optical filter (110) is connected with the threaded shaft (109) in a threaded mode, the fixed plate (107) is fixedly connected with the upper end of the movable plate (105), and the laser (108) is fixedly connected with the fixed plate (107).