CN213148280U

CN213148280U - Optical test frame of laser for spectrometer

Info

Publication number: CN213148280U
Application number: CN202022528967.0U
Authority: CN
Inventors: 孙嵘
Original assignee: Suzhou Xingfan Hualei Optoelectronics Technology Co ltd
Current assignee: Suzhou Xingfan Hualei Optoelectronics Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-05-07
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses an optical test jig of laser instrument for spectrum appearance sets up the carrier mirror slide of a pair of nested self-centering lens clamping jaw, through linear bearing and optical axis, transversely slides on the light path between PCB connecting portion on ring and PCB frame on the laser frame, assists pointer and length scale focus regulation, and the design is dexterous, simple structure, low in cost, practical convenient.

Description

Optical test frame of laser for spectrometer

Technical Field

The utility model relates to a laser optical test technical field, in particular to spectrum appearance is with optics test jig of laser instrument.

Background

LIBS spectrometers, also known as laser-induced breakdown spectrometers, are advanced optical analysis equipment that uses a high-energy laser light source to form high-intensity laser spots (plasma) on the surface of an analysis material to excite a sample to emit light, and then analyzes the light emission through a spectroscopic system and a detection system to obtain the composition of material elements, and are classified into a desktop type and a portable type according to size.

The portable LIBS spectrometer is precise in structure, high in technical content and high in manufacturing cost, and comprises a laser, a lens assembly, a detector, a CPU, a memory and other precise components, wherein the portable LIBS spectrometer is indispensable to detection of the laser no matter in an experimental research and development link or actual production.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an optical testing frame of a laser for a spectrometer.

In order to achieve the above object, the technical solution of the present invention is: an optical test rack of a laser for a spectrometer comprises a base, wherein the base is I-shaped, four end angles of the base are protruded to form shaft seats, two shaft seats on the same side of the long axis direction of the base are provided with openings which are opposite and are connected with optical axes, length scales are marked on the outer wall between the two shaft seats on the same side of the long axis direction of the base, a laser rack is arranged between the two shaft seats on one side of the short axis direction of the base, a PCB rack is arranged between the two shaft seats on the other side of the short axis direction of the base, a ring is arranged at the upper end of the laser rack, a pair of mirror carrying slide seats are arranged between the two optical axes in parallel, a self-centering lens clamping jaw is embedded in the opening in the middle of each mirror carrying slide seat, linear bearings are fixedly arranged in holes which are formed in the two sides of the bottom of each mirror carrying slide seat, the linear bearings are sleeved on, the central axes of the ring, the self-centering lens clamping jaw and the PCB connecting part are collinear.

Preferably, four screw connection columns are arranged on the periphery of the PCB connection part, and the four screw connection columns are distributed on four vertexes of a square.

Preferably, the lens carrying slide carriage is provided with a plurality of limiting columns in a protruding mode, the self-centering lens clamping jaw is provided with a plurality of positioning holes, and the limiting columns and the positioning holes are in one-to-one correspondence and are fixedly inserted.

Preferably, the upper end of the lens carrier sliding seat is provided with a notch, and the upper end of the self-centering lens clamping jaw protrudes out of the notch to form a shifting block.

Preferably, the pointer is arrow-shaped.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:

set up the carrier mirror slide of a pair of nested self-centering lens clamping jaw, through linear bearing and optical axis, the light path between PCB connecting portion transversely slides on ring and PCB frame on the laser frame, is assisted with pointer and length scale focus regulation, and the design is dexterous, simple structure, low in cost, practical convenient.

Drawings

Fig. 1 is a first perspective view of the present embodiment.

Fig. 2 is a perspective view ii of the present embodiment.

In the figure: 1. a base; 2. a shaft seat; 3. an optical axis; 4. length scales; 5. a laser frame; 6. a PCB frame; 7. a loop; 8. a PCB connecting part; 9. a mirror-carrying slide base; 10. self-centering a lens holding jaw; 11. a linear bearing; 12. a pointer; 13. a screw connection column; 14. a limiting column; 15. positioning holes; 16. notching; 17. and (5) shifting blocks.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

referring to fig. 1 and 2, the present embodiment is an optical test rack of a laser for a spectrometer, comprising a base 1, the base 1 is i-shaped, four corners of the base 1 are protruded to form shaft seats 2, two shaft seats 2 on the same side of the long axis direction of the base 1 are opened oppositely and connected with optical axes 3, length scales 4 are marked on the outer wall between the two shaft seats 2 on the same side of the long axis direction of the base 1, a laser frame 5 is arranged between the two shaft seats 2 on one side of the short axis direction of the base 1, a PCB frame 6 is arranged between the two shaft seats 2 on the other side, a ring 7 is arranged at the upper end of the laser frame 5, a PCB connecting portion 8 is formed at the upper end of the PCB frame 6, a pair of mirror-carrying slide seats 9 is arranged between the pair of optical axes 3 in parallel, a self-centering lens clamping jaw 10 is embedded in the opening at the middle part of the mirror-carrying slide, pointers 12 extend downwards from two sides of the lens carrying base 1 and are respectively attached to the surfaces of the length scales 4, and the central axes of the ring 7, the self-centering lens clamping jaw 10 and the PCB connecting part 8 are collinear.

Wherein:

four screw connection columns 13 are arranged on the periphery of the PCB connecting part 8, and the four screw connection columns 13 are distributed in the shape of four vertexes of a square and are used for fastening the PCB through bolt connection;

a plurality of limiting columns 14 are formed on the lens carrying slide seat 9 in a protruding mode, a plurality of positioning holes 15 are formed in the self-centering lens clamping jaw 10, the limiting columns 14 and the positioning holes 15 correspond to each other one by one and are fixedly inserted, so that the limiting is stable and limited, and the looseness is prevented;

the upper end of the lens-carrying sliding seat 9 is provided with a notch 16, and the upper end of the centering lens clamping jaw 10 protrudes out of the notch 16 to form a shifting block 17, so that the lens-carrying sliding seat is easy to separate and convenient to replace.

The pointer 12 is arrow-shaped, and the center line of the pointer 12 and the lens center clamped by the self-centering lens clamping jaw 10 are positioned in the same vertical plane.

The utility model discloses set up a pair of nested lens clamping jaw 10 from centring on the carrier slide 9, through linear bearing 11 and optical axis 3, the light path between PCB connecting portion 8 transversely slides on ring 7 and PCB frame 6 on laser frame 5, is assisted with pointer 12 and length scale 4 focus regulation, and the design is dexterous, simple structure, low in cost, practical convenient.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a spectrum appearance is with optics test jig of laser instrument which characterized in that: comprises a base (1), the base (1) is I-shaped, the four end angles of the base are all protruded to form shaft seats (2), the two shaft seats (2) on the same side of the long axis direction of the base (1) are opposite in opening and are connected with optical axes (3), length scales (4) are marked on the outer wall between the two shaft seats (2) on the same side of the long axis direction of the base (1), a laser frame (5) is arranged between the two shaft seats (2) on one side of the short axis direction of the base (1), a PCB frame (6) is arranged between the two shaft seats (2) on the other side, a ring (7) is arranged at the upper end of the laser frame (5), a PCB connecting part (8) is formed at the upper end of the PCB frame (6), a pair of mirror carrying slide seats (9) is arranged between the optical axes (3) in parallel, a self-centering lens clamping jaw (10) is embedded in the opening at the middle part of the mirror carrying slide seat (, linear bearing (11) registrate optical axis (3) and slide fixedly, all stretch out downwards and have pointer (12) to laminate a pair of length scale (4) surfaces respectively on year mirror base (1) both sides, ring (7), from centering lens clamping jaw (10) and PCB connecting portion (8) axis collineation.

2. The optical test rack of the laser used for the spectrometer as claimed in claim 1, wherein: four screw connection columns (13) are arranged on the periphery of the PCB connecting portion (8), and the four screw connection columns (13) are distributed on four vertexes of a square.

3. The optical test rack of the laser used for the spectrometer as claimed in claim 1, wherein: the lens-carrying sliding seat is characterized in that a plurality of limiting columns (14) are formed by protruding on the lens-carrying sliding seat (9), a plurality of positioning holes (15) are formed in the self-centering lens clamping jaw (10), and the limiting columns (14) and the positioning holes (15) are in one-to-one correspondence and are fixedly inserted.

4. The optical test rack of the laser used for the spectrometer as claimed in claim 1, wherein: the upper end of the lens carrying sliding seat (9) is provided with a notch (16), and the upper end of the self-centering lens clamping jaw (10) protrudes out of the notch (16) to form a shifting block (17).

5. The optical test rack of the laser used for the spectrometer as claimed in claim 1, wherein: the pointer (12) is in an arrow shape.