Fluorescence receiving seat structure applied to multifunctional optical analyzer

Abstract

A fluorescence receiving seat structure applied to a multifunctional optical analyzer comprises a fluorescence sample frame, a fluorescence receiving frame is arranged on the left side of the fluorescence sample frame, a sample placement hole is formed in the fluorescence sample frame, a filter mounting frame is arranged on the left side of the sample placement hole, a filter slot is formed in the filter mounting frame, and a filter is arranged in the filter slot. A filter is detachably arranged in the filter slot, a detection through hole is formed in the left side of the sample placement hole, and the detection through hole penetrates through the filter slot and is communicated with the outer side of the fluorescent sample rack; the fluorescence receiving frame comprises a receiving frame main body, a detection unit mounting hole is formed in the receiving frame main body, a receiving lens is mounted at the front end of the detection unit mounting hole, a photoresistor is mounted at the rear end of the detection unit mounting hole, and the rear end of the photoresistor is connected with a circuit board. A combined structure convenient to disassemble and assemble is adopted, internal devices of the fluorescent receiving base can be cleaned conveniently, the photoresistor and the receiving lens are positioned and fixed through built-in grooves, and it is ensured that movement of the fluorescent receiving base cannot affect the fluorescent receiving base.

Description

Technical Field

[0001] The utility model relates to the technical field of optical analysis instruments, in particular to a fluorescence receiving seat structure applied to a multifunctional optical analyzer. Background Art

[0002] Fluorescence refers to the emission of longer wavelength light by certain substances after being excited by a specific wavelength, and has the characteristics of monochromaticity and fluorescence quantum yield. Relevant information of the target substance can be obtained by detecting fluorescence. This detection method has the advantages of high sensitivity, fast detection speed and accurate analysis results, and is widely used in life sciences, chemistry, materials science and other fields.

[0003] The specific detection method is a multifunctional optical analyzer with a fluorescence intensity detection mode. It uses a light source to pass through a specific wavelength filter or a monochromator with continuously adjustable wavelength to select the wavelength required to excite the sample to excite the fluorescent group of a specific wavelength; the excited fluorescent group will release an emission light of a different wavelength, which enters the fluorescence detection unit through another filter.

[0004] However, the traditional fluorescence receiving seat has the following problems during detection:

[0005] 1) The structure of the fluorescence receiving seat is complex, and the installation of the detection device is not stable enough. The fluorescence receiving seat needs to be moved frequently, which will cause the detection device to be inaccurately positioned or even interfere with each other, thus affecting the detection accuracy;

[0006] 2) To ensure detection accuracy, the detection device needs to be cleaned frequently, and the disassembly and assembly process of the traditional fluorescence receiving seat is too complicated.

[0007] Therefore, in view of the deficiencies in the prior art, the utility model designs a fluorescence receiving seat structure applied to a multifunctional optical analyzer to solve the above problems.

[0008] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely explaining the technical solution of the utility model and facilitating the understanding of those skilled in the art. It cannot be considered that the above contents are well known to those skilled in the art simply because they are explained in the background technology of the utility model. Utility Model Content

[0009] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a fluorescence receiving seat structure applied to a multifunctional optical analyzer, which adopts an integrated fluorescence receiving frame to position and install the detection device, thereby improving the stability of the equipment.

[0010] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is to provide a fluorescence receiving seat structure applied to a multifunctional optical analyzer, including a fluorescence sample holder, a fluorescence receiving holder is provided on the left side of the fluorescence sample holder, wherein:

[0011] A sample placement hole is provided on the fluorescent sample holder, a filter mounting frame is provided on the left side of the sample placement hole, a filter slot is provided on the filter mounting frame, a filter is detachably provided in the filter slot, a detection through hole is provided on the left side of the sample placement hole, and the detection through hole passes through the filter slot and is connected to the outer side of the fluorescent sample holder;

[0012] The fluorescent receiving frame includes a receiving frame main body, on which a detection unit placement hole is provided. The detection unit placement hole is arranged opposite to the detection through hole. A receiving lens is installed at the front end of the detection unit placement hole, and a photoresistor is installed at the rear end of the detection unit placement hole. The rear end of the photoresistor is connected to a circuit board, and the circuit board is connected to the rear end of the fluorescent receiving frame.

[0013] The preferred technical solution is: an outer expansion groove is provided at the upper end of the filter slot to facilitate clamping and replacement of the filter.

[0014] The preferred technical solution is: a first limiting groove for positioning the receiving lens is provided at the front end of the detection unit placement hole, and a second limiting groove for positioning the photoresistor is provided at the rear end of the detection unit placement hole.

[0015] The preferred technical solution is: the number of sample placement holes is eight, and the eight sample placement holes are arranged in parallel.

[0016] The preferred technical solution is: letter labels for distinguishing sample placement holes are provided on the fluorescent sample rack, so as to facilitate the distinction between groups of fluorescent samples.

[0017] The preferred technical solution is: the right side of the fluorescent sample holder is also connected to an absorption light detection sample holder, which reduces the internal space occupied by the equipment and makes the instrument easier to use.

[0018] The preferred technical solution is: a positioning hole is provided on the left side of the fluorescent sample holder, a mounting hole corresponding to the positioning pin hole is provided on the fluorescent receiving holder, and the mounting hole and the positioning hole are connected by bolts to ensure accurate connection and positioning.

[0019] Due to the application of the above-mentioned technical solution, the fluorescent receiving seat structure provided by the utility model for use in a multifunctional optical analyzer adopts a combined structure that is easy to disassemble and assemble, which facilitates the cleaning of the internal components of the fluorescent receiving seat, and uses built-in grooves to position and fix the photoresistor and the receiving lens, ensuring that the movement of the fluorescent receiving seat will not affect them. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a structural schematic diagram of a fluorescence receiving seat structure of the utility model applied to a multifunctional optical analyzer;

[0021] Figure 2 for Figure 1 A cross-sectional view taken along AA in the middle;

[0022] Figure 3 It is an exploded view of the structure of the fluorescence receiving seat of the utility model applied to the multifunctional optical analyzer.

[0023] In the above drawings, 1. Fluorescence sample rack; 11. Sample placement hole; 11a. Detection through hole; 12. Filter mounting rack; 12a. Filter slot; 12b. External expansion slot; 13. Filter; 14. Letter identification; 15. Positioning hole; 2. Fluorescence receiving rack; 21. Receiving rack body; 22. Detection unit placement hole; 22a. First limit slot; 22b. Second limit slot; 23. Receiving lens; 24. Photoresistor; 24a. Circuit board; 25. Mounting hole; 3. Absorption light detection sample rack. DETAILED DESCRIPTION

[0024] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0025] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0026] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figure 1 As shown, the utility model discloses a fluorescence receiving seat structure applied to a multifunctional optical analyzer, including a fluorescence sample holder 1, a fluorescence receiving holder 2 is connected to the left side of the fluorescence sample holder 1, and an absorption light detection sample holder 3 is connected to the right side of the fluorescence sample holder 1. The main components of the utility model are described in detail below:

[0028] like Figure 1 , Figure 2 and Figure 3 As shown, eight sample placement holes 11 are provided on the fluorescent sample rack 1, and the distance between the sample placement holes 11 and the left side of the fluorescent sample rack 1 is consistent, so that the consistency of the detection conditions when multiple groups of samples are tested; a filter mounting frame 12 is provided on the left side of the sample placement hole 11, and a filter slot 12a is provided on the filter mounting frame 12. The upper end of the filter slot 12a is provided with an outer expansion groove 12b for clamping the filter 13, so as to facilitate the replacement of the filter 13; a detection through hole 11a is also provided on the left side of the sample placement hole 11, and the detection through hole 11a passes through the filter slot 12a and is connected with the fluorescent receiving rack 2, so that the fluorescence collected from the side of the sample placement hole 11 is injected into the fluorescent receiving rack 2.

[0029] like Figure 1 and Figure 2 As shown, the fluorescent sample rack 1 is provided with letter labels 14 for distinguishing the sample placement holes 11. The letter labels 14 are convenient for operators to perform classification operations and records when comparing and testing multiple groups of samples; a positioning hole 15 is provided on the left side of the fluorescent sample rack 1, and a mounting hole 25 corresponding to the positioning hole 15 is provided on the fluorescent receiving rack 2. The mounting hole 25 is connected to the positioning hole 15 by bolts, which ensures that the relative position of the fluorescent sample rack 1 and the fluorescent receiving rack 2 is stable and makes disassembly and assembly more convenient.

[0030] like Figure 1 , Figure 2 and Figure 3As shown, the fluorescent receiving frame 2 includes a receiving frame body 21, and a detection unit placement hole 22 is provided on the receiving frame body 21. The detection unit placement hole 22 is arranged opposite to the detection through hole 11a. The front end of the detection unit placement hole 22 is provided with a first limiting groove 22a for positioning the receiving lens 23, and the rear end of the detection unit placement hole 22 is provided with a second limiting groove 22b for positioning the photoresistor 24. The rear end of the photoresistor 24 is connected to a circuit board 24a, and the circuit board 24a is connected to the rear end of the fluorescent receiving frame 2.

[0031] In summary, the fluorescence receiving seat structure used in the multifunctional optical analyzer disclosed by the utility model has a simple structure, a stable connection and is easy to assemble and disassemble, and can effectively improve the accuracy and efficiency of fluorescence detection.

[0032] The above embodiment provided by the utility model is only an example of the principle and effect of the utility model, and is not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiment without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A fluorescence receiving seat structure used in a multifunctional optical analyzer, characterized in that: It comprises a fluorescent sample rack (1), wherein a fluorescent receiving rack (2) is arranged on the left side of the fluorescent sample rack (1), wherein: The fluorescent sample holder (1) is provided with a sample placement hole (11), a filter mounting frame (12) is provided on the left side of the sample placement hole (11), a filter slot (12a) is provided on the filter mounting frame (12), a filter (13) is detachably provided in the filter slot (12a), a detection through hole (11a) is provided on the left side of the sample placement hole (11), and the detection through hole (11a) passes through the filter slot (12a) and is in communication with the outer side of the fluorescent sample holder (1); The fluorescence receiving frame (2) comprises a receiving frame body (21), the receiving frame body (21) is provided with a detection unit placement hole (22), the detection unit placement hole (22) is arranged opposite to the detection through hole (11a), a receiving lens (23) is installed at the front end of the detection unit placement hole (22), a photoresistor (24) is installed at the rear end of the detection unit placement hole (22), the rear end of the photoresistor (24) is connected to a circuit board (24a), and the circuit board (24a) is connected to the rear end of the fluorescence receiving frame (2).

2. The fluorescence receiving seat structure used in a multifunctional optical analyzer according to claim 1, characterized in that: The upper end of the filter slot (12a) is provided with an outward expansion groove (12b) for facilitating clamping of the filter (13).

3. The fluorescence receiving seat structure used in a multifunctional optical analyzer according to claim 1, characterized in that: The front end of the detection unit placement hole (22) is provided with a first limiting groove (22a) for positioning the receiving lens (23), and the rear end of the detection unit placement hole (22) is provided with a second limiting groove (22b) for positioning the photoresistor (24).

4. The fluorescence receiving seat structure used in a multifunctional optical analyzer according to claim 1, characterized in that: The number of the sample placement holes (11) is eight.

5. The fluorescence receiving seat structure used in a multifunctional optical analyzer according to claim 4, characterized in that: The fluorescent sample rack (1) is provided with letter marks (14) for distinguishing the sample placement holes (11).

6. The fluorescence receiving seat structure used in a multifunctional optical analyzer according to claim 1, characterized in that: The right side of the fluorescent sample rack (1) is connected to an absorption light detection sample rack (3).

7. The fluorescence receiving seat structure used in a multifunctional optical analyzer according to claim 1, characterized in that: The left side of the fluorescent sample rack (1) is provided with a positioning hole (15), and the fluorescent receiving rack (2) is provided with a mounting hole (25) corresponding to the positioning hole (15), and the mounting hole (25) is connected to the positioning hole (15) by means of bolts.

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