Measuring rack for film dosimeter

Abstract

The utility model relates to the technical field of film dosimeter detection, in particular to a measuring rack for a film dosimeter, which comprises an absorption cell frame and a cuvette, a first light inlet and a first light outlet are symmetrically arranged on two sides of the absorption cell frame, and a cuvette accommodating cavity is arranged in the absorption cell frame. The cuvette containing cavity comprises a cavity body and a limiting cavity formed in the side end of the cavity body, a limiting elastic piece is arranged in the limiting cavity, the cuvette comprises a first rotating plate and a second rotating plate, the second rotating plate is rotationally arranged at the upper end of the first rotating plate through a torsional spring, a second light inlet is formed in the lower end of the first rotating plate in a penetrating mode, and a second light outlet is formed in the lower end of the second rotating plate. A second light outlet is formed in the lower end of the second rotating plate in a penetrating mode, and the section of the second light inlet is trapezoidal. According to the utility model, the position of the film dosimeter is absolutely stable in the measurement process, so that the obtained data is more accurate and consistent, the experiment efficiency can be improved, and the resource waste caused by duplicate sampling and measurement is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of film dosimeter detection, and relates to a measuring rack for film dosimeter. BACKGROUND

[0002] The spectrophotometer is an instrument for measuring the absorption degree of different wavelengths of light by a substance, and the optical properties of the film dosimeter will change after irradiation, and this change can be captured and quantified by the spectrophotometer, and the dose value of the film dosimeter can be calculated through the standard curve calibrated in advance.

[0003] However, the accuracy of the measurement results is highly dependent on the consistency and stability of the sample position during the measurement process, and any slight position change may cause the path of the light passing through the sample to change, thereby causing changes in the absorption or transmission light intensity, which will directly lead to deviations in the measurement data and affect the reliability of the final analysis results. In particular, when high-precision or repetitive measurements are performed, the unsecured position may lead to difficult-to-reproduce data, which may mislead the research direction or product quality control decision. The existing measuring rack cannot guarantee the absolute stability of the position of the film dosimeter during the entire measurement process. SUMMARY

[0004] The utility model discloses a kind of measuring racks for film dosimeter to solve the problems of prior art.

[0005] The utility model discloses the purpose can be realized by the following technical scheme: a kind of measuring rack for film dosimeter, comprising:

[0006] The absorption cell frame is symmetrically provided with a first light inlet and a first light outlet on both sides, and a cuvette receiving cavity is arranged inside, the cuvette receiving cavity includes a cavity and a limiting cavity arranged at the side end of the cavity, and a limiting spring is arranged in the limiting cavity.

[0007] The cuvette includes a first rotating plate and a second rotating plate, the second rotating plate is rotatably arranged on the upper end of the first rotating plate by a torsional spring, the lower end of the first rotating plate is provided with a second light inlet, the lower end of the second rotating plate is provided with a second light outlet, and the cross section of the second light inlet is trapezoidal.

[0008] Further improvement, the first rotating plate is provided with a square groove on the inner side, the second rotating plate is provided with a square protrusion on the inner side, and the square groove and the square protrusion are correspondingly arranged.

[0009] Further improvement, the lower end of the absorption cell frame is provided with a buckle.

[0010] Further improvement, the buckle is provided with two groups, one group of the buckle is arranged on both sides of the first light inlet, and the other group of the buckle is arranged on both sides of the absorption cell frame.

[0011] Further improvement, the upper end of the absorption cell frame is provided with a handle part, and the handle part is located at the upper end of the first light inlet.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1、 the utility model discloses in actual use process, absorption cell frame and cuvette are saved separately, first absorption cell frame is placed in spectrophotometer, secondly opens cuvette, places thin film dosimeter in cuvette, completes the placement, closes cuvette, places cuvette in the cavity of absorption cell frame, and is positioned to it through the limiting elastic sheet, avoids the shaking of cuvette in cuvette storage cavity, and the second light inlet of cuvette is directly opposite the first light inlet in the placement process, and the second light outlet is directly opposite the first light outlet, closes spectrophotometer after the installation of cuvette, and measures, makes the position of thin film dosimeter absolutely stable in the measurement process, makes the data obtained more accurate, consistent, can also improve experimental efficiency simultaneously, reduces the resource waste of repeated sample preparation and measurement;

[0014] 2、 the utility model discloses through the limiting elastic sheet and positions cuvette, improves the stability of equipment and simultaneously facilitates the dismounting of cuvette;

[0015] 3、 the utility model discloses through the square recess and square convex that corresponded setting realize the fixed of thin film dosimeter, improves the precision of equipment detection. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structural schematic diagram of the utility model;

[0017] Fig. 2 It is the internal structure schematic diagram of the utility model;

[0018] Fig. 3 It is the structural schematic diagram of absorption cell frame of the utility model;

[0019] Fig. 4 It is the structural schematic diagram of cuvette of the utility model;

[0020] Fig. 5 It is the structural schematic diagram when cuvette of the utility model is unfolded.

[0021] In the figure, 1, the absorption cell frame; 11, first light inlet; 12, first light outlet; 13, cuvette storage cavity; 131, cavity; 132, limiting cavity; 133, limiting spring; 14, buckle; 15, handle part; 2, cuvette; 21, first rotating plate; 211, second light inlet; 212, square groove; 22, second rotating plate; 221, second light outlet; 222, square protrusion. DETAILED DESCRIPTION

[0022] In the description of the utility model, it is explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, it is explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The embodiments and drawings are described below. Figs. 1-5 The technical scheme of the utility model is further described.

[0025] Embodiment 1

[0026] It includes:

[0027] The absorption cell frame 1 is symmetrically provided with the first light inlet 11 and the first light outlet 12 on both sides and internally provided with the cuvette storage cavity 13, the cuvette storage cavity 13 includes the cavity 131 and the limiting cavity 132 provided at the side end of the cavity 131, and the limiting spring 133 is arranged in the limiting cavity 132.

[0028] The cuvette 2 includes the first rotating plate 21 and the second rotating plate 22, the second rotating plate 22 is arranged on the upper end of the first rotating plate 21 through a torsional spring, the second light inlet 211 is arranged through the lower end of the first rotating plate 21, the second light outlet 221 is arranged through the lower end of the second rotating plate 22, and the cross section of the second light inlet 211 is trapezoidal.

[0029] As Figs. 1-5As shown, the utility model discloses in actual use process, absorption cell frame 1 and cuvette 2 are saved separately, first absorption cell frame 1 is placed in spectrophotometer, secondly opens cuvette 2, and places film dosimeter in cuvette 2, after completing placement, closes cuvette 2, and cuvette 2 is placed in the cavity 131 of absorption cell frame 1, and is positioned by spacing spring 133, avoids the shaking of cuvette 2 in cuvette storage cavity 13, during the placement process, the second light inlet 211 of cuvette 2 is directly opposite the first light inlet 11, and its second light outlet 221 is directly opposite the first light outlet 12, after completing the installation of cuvette 2, close spectrophotometer, and measure, make the position of film dosimeter absolutely stable during the measurement process, make the data obtained more accurate, consistent, can also improve experimental efficiency, reduce the resource waste brought by repeated sample preparation and measurement.

[0030] Preferably, absorption cell frame 1 and cuvette 2 adopt plastic material, effectively control cost, and simultaneously adopt split layout, facilitate daily cleaning.

[0031] As a further preferred embodiment, the first rotating plate 21 is provided with a square groove 212 on the inner side, the second rotating plate 22 is provided with a square protrusion 222 on the inner side, the square groove 212 and the square protrusion 222 are correspondingly arranged, and the film dosimeter is fixed through the correspondingly arranged square groove 212 and square protrusion 222, thereby improving the detection accuracy of the equipment.

[0032] As a further preferred embodiment, the absorption cell frame 1 is provided with buckles 14 at the lower end, the buckles 14 are provided in two groups, one group of buckles 14 is arranged on both sides of the first light inlet 11, and the other group of buckles 14 is arranged on both sides of the absorption cell frame 1, the absorption cell frame 1 is fixedly arranged in the spectrophotometer through the buckles 14, and the stability of the equipment is improved.

[0033] As a further preferred embodiment, the absorption cell frame 1 is provided with a handle portion 15 at the upper end, the handle portion 15 is located at the upper end of the first light inlet 11, and the disassembly and assembly of the absorption cell frame 1 are facilitated.

[0034] The above detailed the preferred embodiment of the utility model. It should be understood that ordinary skilled in the art can make many modifications and changes according to the conception of the utility model without creative labor. Therefore, all technical solutions obtained by logical analysis, reasoning or limited experiment on the basis of prior art according to the conception of the utility model should be within the protection scope determined by the claims.

Claims

1. A measuring frame for a thin-film dosimeter, characterized in that, include: An absorption cell frame (1) is provided with a first light inlet (11) and a first light outlet (12) symmetrically arranged on both sides of the absorption cell frame (1) and a cuvette storage cavity (13) is provided inside. The cuvette storage cavity (13) includes a cavity body (131) and a limiting cavity (132) provided on the side of the cavity body (131). A limiting spring (133) is provided in the limiting cavity (132). The cuvette (2) includes a first rotating plate (21) and a second rotating plate (22). The second rotating plate (22) is rotatably mounted on the upper end of the first rotating plate (21) by a torsion spring. A second light inlet (211) is provided through the lower end of the first rotating plate (21), and a second light outlet (221) is provided through the lower end of the second rotating plate (22). The cross-section of the second light inlet (211) is trapezoidal.

2. The measuring frame for a thin-film dosimeter according to claim 1, characterized in that, The first rotating plate (21) has a square groove (212) on its inner side, and the second rotating plate (22) has a square protrusion (222) on its inner side. The square groove (212) and the square protrusion (222) are provided in correspondence.

3. The measuring frame for a thin-film dosimeter according to claim 1, characterized in that, The lower end of the absorption pool frame (1) is provided with a buckle (14).

4. A measuring frame for a thin-film dosimeter according to claim 3, characterized in that, The buckles (14) are provided in two sets. One set of buckles (14) is provided on both sides of the first light inlet (11), and the other set of buckles (14) is provided on both sides of the absorption cell frame (1).

5. A measuring frame for a thin-film dosimeter according to claim 1, characterized in that, The upper end of the absorption cell frame (1) is provided with a handle (15), which is located at the upper end of the first light inlet (11).

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