CN216117336U

CN216117336U - A light-shielding structure for raman liquid detects

Info

Publication number: CN216117336U
Application number: CN202122461766.8U
Authority: CN
Inventors: 白国元; 袁丁; 吴红彦; 夏征
Original assignee: Ht Nova Co ltd
Current assignee: Ht Nova Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-22
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to the technical field of detection equipment, in particular to a light-shielding structure for Raman liquid detection. The light-shielding structure for Raman liquid detection of the present invention comprises a light-shielding shell, wherein the light-shielding shell is provided with a chamber for placing reagent bottles vertically, and the upper end of the light-shielding shell is provided with a light-shielding shell for opening or covering the The light-shielding cover on the upper part of the chamber, the lower part of one side of the light-shielding shell is provided with a detection port that communicates with the lower part of the chamber, and a lens bracket is sealed and installed at the detection port, and the lens bracket is provided with a horizontal penetration Its detection light channel is equipped with an optical lens group. Advantages: The structure design is reasonable, and it can provide a dark environment for reagents during the detection process of the handheld Raman spectrometer, so that the Raman detection can obtain a relatively simple and accurate sample spectrum.

Description

A light-shielding structure for raman liquid detects

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a light shielding structure for Raman liquid detection.

Background

In recent years, as an efficient spectrum detection technology, the raman spectrum detection technology is rapidly developed and applied in the fields of medicine detection, drug detection, jewelry identification and food safety. When liquid is detected, the liquid to be detected is filled into a reagent bottle and then detected by a Raman spectrometer. In field operation, because of the exposure to the natural environment and the refraction phenomenon of the reagent bottle to natural light, more stray light spectrums are obtained by Raman detection, the spectrum analysis of a sample is more complicated, and the obtained result is not very accurate; when the laboratory darkroom is operated, better Raman spectrum can be obtained, the detection result is more accurate, but the sample to be detected needs to be conveyed to the laboratory, so that the time and the energy are wasted, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a light shielding structure for Raman liquid detection, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a light-shading structure for raman liquid detects, includes the shading casing, has the cavity that is used for vertical reagent bottle of placing in the above-mentioned shading casing, and above-mentioned shading casing upper end is equipped with and is used for opening or covers the shading lid on above-mentioned cavity upper portion, and the detection mouth that is linked together with the lower part of above-mentioned cavity is seted up to above-mentioned shading casing one side lower part, and the department seal installation that detects has the lens support, and above-mentioned lens support is equipped with the level and runs through its detection light channel, should detect the light channel and be equipped with optical lens group in the light channel.

On the basis of the technical scheme, the utility model can be further improved as follows.

Furthermore, one end of the shading cover body is rotatably connected with one end of the upper part of the shading shell through a pin shaft, and the other end of the shading cover body can be turned over up and down to open or cover the upper part of the cavity.

Further, magnets which are mutually attached and matched are respectively arranged at the other end part of the shading cover body and the other end part of the upper part of the shading shell.

Further, the lens support is of a plate surface structure, covers the detection opening and is connected with the detection opening through a screw.

Furthermore, the optical lens group comprises a double cemented lens and a planar lens which are oppositely arranged at intervals.

Furthermore, the surface of the shading shell is provided with an anti-skid structure.

Further, the anti-skid structure is one of convex ridges, convex points and concave grains.

The utility model has the beneficial effects that: structural design is reasonable, can provide the dark environment for reagent at handheld raman spectroscopy appearance testing process for raman detection obtains comparatively simple and accurate sample spectrum.

Drawings

FIG. 1 is an exploded view of the light shielding structure for Raman liquid detection of the present invention;

FIG. 2 is a diagram illustrating the light shielding structure for Raman liquid detection according to the present invention in a state where a reagent bottle is installed;

fig. 3 is a structural schematic diagram of the assembled light shielding structure for raman liquid detection and raman spectrometer of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a light-shielding case; 2. a light-shielding cover body; 3. a lens holder; 11. a detection port; 12. an anti-slip structure; 21. a magnet; 31. detecting a light channel; 41. a double cemented mirror; 42. a planar lens.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

Example (b): as shown in fig. 1 to 3, the light shielding structure for raman liquid detection of the present embodiment includes a light shielding casing 1, a chamber for vertically placing a reagent bottle is provided in the light shielding casing 1, a light shielding cover 2 for opening or covering an upper portion of the chamber is provided at an upper end of the light shielding casing 1, a detection port 11 communicated with a lower portion of the chamber is provided at a lower portion of one side of the light shielding casing 1, a lens support 3 is hermetically installed at the detection port 11, the lens support 3 is provided with a detection optical channel 31 horizontally penetrating through the detection optical channel, and an optical lens set is installed in the detection optical channel 31.

The using process is as follows:

open shading lid 2, the reagent bottle that will be equipped with the sample is stood to be put into the cavity of shading casing 1 and is touched the end, later, close shading lid 2 for shading casing 1 is inside to form the dark ring border, next, will detect the butt joint of light channel 31 and raman detector's probe, after the butt joint is accomplished, carry out normal detection can, whole structural design is reasonable, can provide the dark ring border for reagent at handheld raman spectroscopy appearance testing process, make raman detection obtain comparatively simple and accurate sample spectrum.

It should be noted that: as shown in fig. 3, the detection light channel 31 protrudes from the light-shielding cover 2, the detection port of the raman spectrometer (denoted by a in the figure) is designed to be a concave adapted to the light-shielding cover 2, after the light-shielding cover 2 is embedded into the concave, the detection light channel 31 is butted with the probe of the raman spectrometer, and as a whole, the long axis of the detection light channel 31 and the long axis of the chamber are designed to be perpendicular to each other.

In a preferred embodiment, one end of the light-shielding cover 2 is pivotally connected to one end of the upper portion of the light-shielding housing 1 by a pin (b in the figure), and the other end thereof can be turned upside down to open or cover the upper portion of the cavity.

In this embodiment, the light-shielding cover 2 is of a flip-type assembly structure, and the upper part of the cavity can be opened or covered by the up-down flip operation, so that the operation is very simple and convenient.

More preferably, the other end of the light-shielding lid 2 and the other end of the upper part of the light-shielding case 1 are provided with magnets 21 which are attracted and engaged with each other.

In the above-mentioned scheme, after the light-shielding cover 2 is turned over downwards to cover the upper part of the cavity (i.e. the upper end opening of the light-shielding shell 1), the upper end openings of the light-shielding cover 2 and the light-shielding shell 1 can be firmly sealed by the mutual adsorption between the magnets 21, so that a relatively stable dark detection environment is created in the cavity.

Generally, the magnet 21 is designed as a columnar magnet and is mounted at a corresponding portion by fitting.

In a preferred embodiment, the lens holder 3 is a plate structure, is covered on the inspection opening 11, and is connected to the inspection opening 11 by a screw.

In this embodiment, lens support 3 imbeds in detecting mouth 11, connects compactly between the two, and the leakproofness is good, can not the printing opacity, is equipped with the screw fixation again for lens support 3's assembly is more stable, firm.

In the present embodiment, the inspection opening 11 and the lens holder 3 are each formed in a block shape.

In this embodiment, the optical lens assembly includes a double cemented lens 41 and a planar lens 42 disposed at an interval.

In a preferred embodiment, the light-shielding case 1 is provided with an anti-slip structure 12 on the surface.

In this embodiment, the anti-slip structure 12 is designed to facilitate the operator to hold the light-shielding housing 1 to install the whole device on the raman probe, so that the installation is tighter and the operation process is not easy to be out of hand.

Generally, above-mentioned anti-skidding structure 12 is one kind of protruding stupefied, bump, sunken line, and more specifically, can set up many protruding stupefied at the relative both sides surface of shading casing 1, protruding stupefied vertical extension to interval distribution, when anti-skidding structure 12 is the bump, can evenly cloth shading casing 1 surface, sunken line can adopt banding recess appearance, its distribution mode is similar with protruding stupefied distribution.

In this embodiment, a recessed texture design is used.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A light-shielding structure for Raman liquid detection, characterized in that it comprises a light-shielding casing (1), and a chamber for vertically placing a reagent bottle is provided in the light-shielding casing (1), and the light-shielding casing (1) is provided with a chamber for vertically placing reagent bottles. The upper end of the housing (1) is provided with a light-shielding cover (2) for opening or covering the upper part of the chamber, and the lower part of one side of the light-shielding housing (1) is provided with a detection device that communicates with the lower part of the chamber A port (11), a lens holder (3) is sealed and installed at the detection port (11), and the lens holder (3) is provided with a detection light channel (31) horizontally passing through it, in the detection light channel (31) Equipped with optical lens group.

2. A light-shielding structure for Raman liquid detection according to claim 1, characterized in that: one end of the light-shielding cover (2) rotates with one end of the upper part of the light-shielding shell (1) through a pin shaft connected, the other end of which can be turned upside down to open or cover the upper part of the chamber.

3. A light-shielding structure for Raman liquid detection according to claim 2, characterized in that: the other end of the light-shielding cover (2) and the other end of the upper part of the light-shielding shell (1) One end part is respectively provided with magnets (21) which are sucked and matched with each other.

4. A light-shielding structure for Raman liquid detection according to claim 1, characterized in that: the lens holder (3) is a plate structure, and is covered at the detection port (11), And it is connected with the detection port (11) through screws.

5. The light-shielding structure for Raman liquid detection according to any one of claims 1 to 4, wherein the optical lens group comprises a doublet (41) and a plane lens ( 42).

6. The light-shielding structure for Raman liquid detection according to any one of claims 1 to 4, wherein a non-slip structure (12) is provided on the surface of the light-shielding housing (1).

7 . The light-shielding structure for Raman liquid detection according to claim 6 , wherein the anti-skid structure ( 12 ) is one of embossed, convex, and concave lines. 8 .