Mounting base for measurement of alanine strip dosimeter

Abstract

The utility model relates to the technical field of irradiation detection, in particular to a mounting base for measurement of an alanine strip dosimeter, which comprises a mounting seat and a placement rack, the mounting seat comprises a base, an assembly seat and a limiting seat which are arranged in a penetrating manner, a first external thread is arranged above the base, a matching groove is formed in the upper end of the base, and a second external thread is arranged above the matching groove; the assembling base is slidably arranged in the base, a first limiting ring is arranged at the upper end of the assembling base, an internal thread is arranged at the lower end of the limiting base, a second limiting ring is arranged at the upper end of the limiting base, and the internal thread corresponds to the first external thread above the base. The placing frame comprises a semi-cylindrical placing frame body and a clamping pin rotationally arranged at the lower end of the placing frame body, and a clamping groove is formed between the placing frame body and the clamping pin. The alanine strip-shaped dosimeter is kept at a fixed position in the whole detection process, displacement is avoided, the detection precision during detection is improved, all the parts are independent, and maintenance and replacement are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of irradiation detection technology relates to a kind of installation pedestal for alanine strip dosimeter measurement. BACKGROUND

[0002] In the irradiation processing, if the irradiation dose is insufficient, the product will not meet its specified sterility assurance level; And irradiation dose implementation over-limit, will affect the safety of product. Therefore, the irradiation dose is a key factor in radiation processing for irradiation quality control, the appropriate dose measurement system must be selected to ensure the accuracy of the absorbed dose after product irradiation. Alanine strip dosimeter produces stable free radicals after irradiation, and the number has a significant function with absorbed dose, which is designated as reference standard level dosimeter. Alanine strip dosimeter has the advantages of wide measurement range, stability, good measurement repeatability, non-destructive measurement, good applicability and small uncertainty, which is very suitable for product absorbed dose monitoring in radiation processing.

[0003] Industrial alanine strip dosimeter for irradiation is in the form of pills, wrapped and fixed by long strip plastic. The free radical concentration in alanine dosimeter after irradiation can be measured using electron spin resonance spectrometer, which has the advantages of good accuracy and stability. In order to ensure the accuracy of the measurement results, alanine strip dosimeter needs to be kept in a fixed posture during measurement and accurately fixed in the resonance cavity of electron spin resonance spectrometer. The existing technology cannot meet this standard, which brings many inconveniences to the measurement process and reduces the efficiency and accuracy of measurement. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of installation pedestal for alanine strip dosimeter measurement to solve the problems of prior art.

[0005] The utility model discloses a kind of installation pedestal for alanine strip dosimeter measurement, which can be achieved by the following technical solutions.

[0006] The mounting seat includes a through bottom, an assembly seat and a limiting seat. The bottom is provided with a first external thread on the upper side and a matching groove on the upper end. The assembly seat is slidably arranged in the bottom and provided with a first limiting ring on the upper end. The limiting seat is provided with an internal thread on the lower end and a second limiting ring on the upper end. The internal thread is correspondingly arranged with the first external thread on the upper side of the bottom.

[0007] The placing rack includes a semi-cylindrical placing rack body and a clamping pin rotatably arranged on the lower end of the placing rack body. The clamping groove is formed between the placing rack body and the clamping pin.

[0008] Further improvement, the bottom side is provided with a second external thread, the second external thread is threadedly connected with a protective tube.

[0009] Further improvement, the bottom is internally provided with a step, the step is provided with a limiting slot, the assembly seat lower end is provided with a limiting pin, the limiting slot and the limiting pin are correspondingly arranged.

[0010] Further improvement, the bottom is externally provided with a locking ring, a plurality of mounting holes are throughly arranged on the locking ring.

[0011] Further improvement, the first matching surface is obliquely arranged on the inner side of the assembly seat upper end, the second matching surface is obliquely arranged on the upper end of the placing rack body, and the first matching surface and the second matching surface are correspondingly arranged.

[0012] Further improvement, the outer diameter of the first limiting ring is a, the inner diameter of the second limiting ring is b, and the quantity relationship a > b is met.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses in actual use process, first, the mounting seat is placed on the electron spin resonance spectrometer, second, the placing rack is installed in the mounting seat, in the installation process, the clamping pin on the placing rack is placed downward, after installation, the alanine strip dosimeter is placed in the placing rack, and is limited through the clamping groove, so that the alanine strip dosimeter is fixed in the cavity in the placing rack, keeps the fixed position in the whole detection process, and displacement does not occur, improves the detection precision when detecting.

[0015] 2、The material of the protective tube is preferably glass, and the upper end is provided with a plastic cap corresponding to the second external thread, the placing rack is protected through the protective tube, damage of the placing rack caused by knocking during movement is avoided, meanwhile, the protective tube can protect the alanine strip dosimeter of the placing rack, avoids the inclination caused by strong wind during measurement, and also plays a role in preventing dust. DRAWINGS

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

[0017] Fig. 2 It is an explosion view of the utility model;

[0018] Fig. 3 It is a sectional view of the utility model;

[0019] Fig. 4 It is a sectional view of the utility model base and assembly seat.

[0020] In the figure, 1, mounting seat; 11, base; 111, first external thread; 112, matching groove; 113, second external thread; 114, step; 1141, limiting groove; 115, locking ring; 1151, mounting hole; 12, assembly seat; 121, first limiting ring; 122, limiting pin; 123, first matching surface; 13, limiting seat; 131, internal thread; 132, second limiting ring; 2, placing rack; 21, placing rack body; 211, second matching surface; 22, clamping pin; 23, clamping groove; 3, protection tube. DETAILED DESCRIPTION

[0021] In the description of the utility model, it needs to explain, the terms '' center'', '' upper'', '' lower'', '' left'', '' right'', '' vertical'', '' horizontal'', '' internal'', '' external'' and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as the limitation of the utility model.

[0022] In the description of the utility model, it needs to explain, unless otherwise explicitly specified and limited, the terms '' installation'', '' connection'', '' connection'' should be broad sense, for example, it can be fixed connection, it can also be detachable connection, or integrally connected, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The following will be combined with the embodiment and the drawing Figs. 1-4 The technical scheme of the utility model is further described.

[0024] Example 1

[0025] A kind of installation base for alanine strip dosimeter measurement, comprising:

[0026] Mounting seat 1, the mounting seat 1 including through setting base 11, assembly seat 12 and limiting seat 13, the first external thread 111 is set on the base 11 upper and the upper end is provided with matching groove 112, the assembly seat 12 can be slidably arranged in the base 11 and the upper end is provided with first limiting ring 121, the limiting seat 13 lower end is provided with internal thread 131 and the upper end is provided with second limiting ring 132, the internal thread 131 is correspondingly arranged with the first external thread 111 on the upper side of the base 11;

[0027] Placing rack 2, the placing rack 2 includes semicylindrical placing rack body 21 and clamping pin 22 rotationally arranged at the lower end of the placing rack body 21, and the clamping groove 23 is formed between the placing rack body 21 and the clamping pin 22.

[0028] As Figs. 1-4 In actual use, first, the mounting seat 1 is placed on the electron spin resonance spectrometer, and then the placing rack 2 is installed in the mounting seat 1, in the installation process, the clamping pin 22 on the placing rack 2 is placed downward, after installation is completed, the alanine strip dosimeter is placed in the placing rack 2, and is limited through the clamping groove 23, so that the alanine strip dosimeter is fixed in the cavity in the placing rack 2, and a fixed position is kept in the whole detection process, and displacement does not occur, and the detection precision during detection is improved.

[0029] Specifically, the material of the mounting seat 1 is preferably brass, which is not easy to rust and is convenient for daily maintenance.

[0030] As a further preferred embodiment, the bottom 11 is provided with a second outer thread 113 on the lower side, and the second outer thread 113 is threadedly connected with a protective tube 3.

[0031] Specifically, the material of the protective tube 3 is preferably glass and the upper end is provided with a plastic cap corresponding to the second outer thread 113, the placing rack 2 is protected by the protective tube 3, so as to avoid damage to the placing rack 2 caused by knocking during movement, and the protective tube 3 can also protect the alanine strip dosimeter of the placing rack 2, avoid tilting due to strong wind during measurement, and also play a role in preventing dust.

[0032] As a further preferred embodiment, the bottom 11 is provided with a step 114 inside, the step 114 is provided with a limiting groove 1141, the assembly seat 12 is provided with a limiting pin 122 at the lower end, and the limiting groove 1141 and the limiting pin 122 are correspondingly arranged, so as to improve the installation precision of the equipment by cooperation of the limiting groove 1141 and the limiting pin 122.

[0033] As a further preferred embodiment, the bottom 11 is provided with a locking ring 115 on the outer side, and a plurality of mounting holes 1151 are provided through the locking ring 115.

[0034] Specifically, bolts can be arranged in the mounting holes 1151 to fix the bottom 11 on the electron spin resonance spectrometer, thereby improving the stability of the equipment.

[0035] As a further preferred embodiment, the assembly seat 12 is provided with a first matching surface 123 on the upper end inside, the placing rack body 21 is provided with a second matching surface 211 on the upper end, and the first matching surface 123 and the second matching surface 211 are correspondingly arranged.

[0036] As a further preferred embodiment, the outer diameter of the first limiting ring 121 is a, the inner diameter of the second limiting ring 132 is b, and the quantity relationship a>b is satisfied.

[0037] Specifically, the mounting hole 1151 on the base 11 is limited by the limiting seat 13, so as to avoid bolt falling due to unstable bolt connection.

[0038] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A mounting base for alanine strip dosimeter measurements, characterized by, Include: Mounting seat (1), the mounting seat (1) includes through the base (11), assembly seat (12) and limit seat (13), the first outer thread (111) is arranged above the base (11) and the upper end is provided with the matching groove (112), the assembly seat (12) is slidably arranged in the base (11) and the upper end is provided with the first limit ring (121), the limit seat (13) is provided with the inner thread (131) at the lower end and the upper end is provided with the second limit ring (132), the inner thread (131) is correspondingly arranged with the first outer thread (111) above the base (11); The placing rack (2) includes a semicylindrical placing rack body (21) and a clamping pin (22) rotatably arranged at the lower end of the placing rack body (21), and a clamping groove (23) is formed between the placing rack body (21) and the clamping pin (22).

2. A mounting base for alanine strip dosimeter measurements according to claim 1, characterized in that The lower side of the base (11) is provided with a second outer thread (113), and the second outer thread (113) is threadedly connected with a protective tube (3).

3. A mounting base for alanine strip dosimeter measurements according to claim 1, characterized in that The base (11) is internally provided with a step (114), the step (114) is provided with a limiting groove (1141), the assembly seat (12) is provided with a limiting pin (122) at the lower end, and the limiting groove (1141) is correspondingly arranged with the limiting pin (122).

4. A mounting base for alanine strip dosimeter measurements according to claim 1, characterized in that The outer side of the base (11) is provided with a locking ring (115), and a plurality of mounting holes (1151) are through arranged on the locking ring (115).

5. A mounting base for alanine strip dosimeter measurements according to claim 1, characterized in that The upper end of the assembly seat (12) is provided with a first matching surface (123) on the inner side, the upper end of the placing rack body (21) is provided with a second matching surface (211) on the inner side, and the first matching surface (123) and the second matching surface (211) are correspondingly arranged.

6. A mounting base for alanine strip dosimeter measurements according to claim 1, characterized in that The outer diameter of the first limit ring (121) is a, the inner diameter of the second limit ring (132) is b, and the quantity relationship a>b is satisfied.

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