CN216117336U - A light-shielding structure for raman liquid detects - Google Patents
A light-shielding structure for raman liquid detects Download PDFInfo
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- CN216117336U CN216117336U CN202122461766.8U CN202122461766U CN216117336U CN 216117336 U CN216117336 U CN 216117336U CN 202122461766 U CN202122461766 U CN 202122461766U CN 216117336 U CN216117336 U CN 216117336U
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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 comprises a light shielding shell, wherein a cavity for vertically placing a reagent bottle is arranged in the light shielding shell, a light shielding cover body for opening or covering the upper part of the cavity is arranged at the upper end of the light shielding shell, a detection port communicated with the lower part of the cavity is formed in the lower part of one side of the light shielding shell, a lens support is arranged at the detection port in a sealing mode, a detection light channel horizontally penetrates through the lens support, and an optical lens group is arranged in the detection light channel. The advantages are 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.
Description
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:
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 (7)
1. A shading structure for Raman liquid detection, which is characterized in that: including shading casing (1), have the cavity that is used for vertical placing reagent bottle in shading casing (1), shading casing (1) upper end is equipped with and is used for opening or covers shading lid (2) on cavity upper portion, shading casing (1) one side lower part seted up with detection mouth (11) that the lower part of cavity is linked together, detection mouth (11) department seal installation has lens support (3), lens support (3) are equipped with level and run through its detection light channel (31), are equipped with the optics lens group in this detection light channel (31).
2. A light shielding structure for raman liquid detection according to claim 1, wherein: one end of the shading cover body (2) is rotatably connected with one end of the upper part of the shading shell body (1) 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.
3. A light shielding structure for raman liquid detection according to claim 2, wherein: and magnets (21) which are mutually adsorbed and matched are respectively arranged at the other end part of the shading cover body (2) and the other end part of the upper part of the shading shell body (1).
4. A light shielding structure for raman liquid detection according to claim 1, wherein: the lens support (3) is of a plate surface structure and is covered at the detection port (11) and connected with the detection port (11) through a screw.
5. A light shielding structure for Raman liquid detection according to any one of claims 1 to 4, wherein: the optical lens group comprises a double cemented mirror (41) and a planar lens (42) which are oppositely arranged at intervals.
6. A light shielding structure for Raman liquid detection according to any one of claims 1 to 4, wherein: the surface of the shading shell (1) is provided with an anti-skidding structure (12).
7. A light shielding structure for Raman liquid detection according to claim 6, wherein: the anti-skid structure (12) is one of convex ridges, convex points and concave grains.
Priority Applications (1)
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CN202122461766.8U CN216117336U (en) | 2021-10-13 | 2021-10-13 | A light-shielding structure for raman liquid detects |
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CN202122461766.8U CN216117336U (en) | 2021-10-13 | 2021-10-13 | A light-shielding structure for raman liquid detects |
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CN216117336U true CN216117336U (en) | 2022-03-22 |
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