CN212694066U

CN212694066U - Shock-resistant scintillation crystal detector

Info

Publication number: CN212694066U
Application number: CN202021444126.5U
Authority: CN
Inventors: 李国铭; 李俊谕; 刘冰; 边建盟; 张泽森; 程豪华
Original assignee: Sanhe Jingli Fangda Technology Co ltd
Current assignee: Sanhe Jingli Fangda Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-12
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an impact-resistant scintillation crystal detector in the technical field of scintillation crystal, which comprises a scintillation crystal and a photomultiplier, wherein an inner sleeve cavity is provided with a protective layer, an outer sleeve body for accommodating the scintillation crystal and the photomultiplier is arranged outside the inner sleeve, the outside of the photomultiplier is provided with a protective sleeve, the outer wall of the protective sleeve is provided with elastic telescopic rods in a circumferential equidistance, a sleeve is arranged between the arc rods, the inner cavity of the sleeve is movably inserted with a movable rod, the end part of the movable rod is fixedly connected with an impact-proof plate, and the outer wall of the movable rod is sleeved with a buffer spring, the utility model discloses an impact-resistant scintillation crystal detector which is characterized in that the protective sleeve is arranged outside the photomultiplier, the impact-proof structure consisting of the arc rod, the sleeve, the movable rod and the impact-proof plate is arranged outside the protective sleeve, the buffer spring and, thereby achieving the function of protecting the components of the scintillation crystal detector and prolonging the service life of the scintillation crystal detector.

Description

Shock-resistant scintillation crystal detector

Technical Field

The utility model relates to a scintillation crystal technical field specifically is shock-resistant scintillation crystal detector.

Background

Scintillation crystals are crystals that emit a fluorescent pulse (scintillation light) when a high-energy radiation (e.g., X-rays, gamma rays) or other radioactive particles pass through them, as a result of excitation by the radiation or particles. The scintillation crystal is widely applied to the fields of nuclear medicine imaging, high-energy physical experiments, safety inspection, industrial nondestructive inspection, space science research, nuclear exploration and the like, and is an indispensable material for related high-tech industries.

The scintillation crystal detector easily receives external impact force when the during operation, and current scintillation crystal detector lacks corresponding protecting against shock performance to lead to the easy problem that damages are easily received to the component parts of scintillation crystal detector, reduce life, for this reason, we propose shock-resistant scintillation crystal detector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impact-resistant scintillation crystal detector to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: impact-resistant scintillation crystal detector, including scintillation crystal and photomultiplier, the scintillation crystal overcoat is equipped with the inner skleeve, the inner skleeve inner chamber is equipped with the inoxidizing coating, just the outer barrel that is equipped with holding scintillation crystal and photomultiplier outside the inner skleeve, the photomultiplier outside is equipped with the protective sheath, protective sheath outer wall is circumference form equidistance and is equipped with the elastic telescopic link, the fixed grafting in elastic telescopic link both ends has the connecting axle, connecting axle one end activity is run through and is pegged graft in two sections arc pole links, and is adjacent be equipped with the sleeve pipe between the arc pole, sleeve pipe inner chamber activity is pegged graft and is had the movable rod, movable rod tip fixed connection protecting against shock board, just the movable rod outer wall cover.

Further, the protecting against shock board is the arc structure and hugs closely in outer barrel inner wall, just the protecting against shock board is the rubber slab structure, the protecting against shock board is equipped with two sets ofly in outer barrel inner chamber.

Further, the sleeve pipe is of a T-shaped pipe structure, a buffering air bag is arranged in the inner cavity of the sleeve pipe and connected with an air valve arranged on the outer wall of the arc-shaped rod through an air pipe, and an air hole is formed in the side wall of the outer cylinder body.

Furthermore, the elastic telescopic rod is tightly attached to the outer wall of the protective sleeve and is vertically provided with two groups, and the elastic telescopic rod is of a telescopic rod structure with two telescopic ends.

Further, it is adjacent with the group the contained angle between the protecting against shock board is 45, and every group the protecting against shock board all is equipped with four, four the protecting against shock board is the circumference form and locates outer barrel inner chamber.

Further, a fixing filler is filled between the outer cylinder and the protective sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design is through being equipped with the protective sheath in the photomultiplier outside to be equipped with the protecting against shock structure of compriseing arc pole, sleeve pipe, movable rod and protecting against shock board in the protective sheath outside, cooperation buffer spring and buffering gasbag can effectively offset external impact force, thereby reach the function of the component part of protection scintillation crystal detector, improved scintillation crystal detector's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic view of the shock-proof plate mounting structure of the present invention.

In the figure: 1. a scintillation crystal; 2. a photomultiplier tube; 3. a protective layer; 4. an inner sleeve; 5. an outer cylinder; 6. a protective sleeve; 7. an elastic telescopic rod; 8. a connecting shaft; 9. an arcuate bar; 10. a sleeve; 11. a movable rod; 12. an impact-resistant plate; 13. a buffer spring; 14. a buffer air bag; 15. fixing the filler; 16. and (4) an air valve.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the utility model provides an impact-resistant scintillation crystal detector, including scintillation crystal 1 and photomultiplier 2, 1 overcoat of scintillation crystal is equipped with inner skleeve 4, and the inner skleeve 4 inner chamber is equipped with inoxidizing coating 3, and inner skleeve 4 is equipped with the outer barrel 5 of holding scintillation crystal 1 and photomultiplier 2 outward, and the photomultiplier 2 outside is equipped with protective sheath 6, and protective sheath 6 is made for rubber materials, and protective sheath 6 outer wall is the circumference form equidistance and is equipped with flexible telescopic rod 7.

Please refer to fig. 2, connecting shafts 8 are fixedly inserted at two ends of the elastic telescopic rod 7, one end of each connecting shaft 8 is movably inserted into the connecting ends of the two arc rods 9, a sleeve 10 is arranged between the adjacent arc rods 9, the outer wall of the sleeve 10 is fixedly connected with the arc rods 9, a movable rod 11 is movably inserted into the inner cavity of the sleeve 10, the end part of the movable rod 11 is fixedly connected with an impact-proof plate 12, the outer wall of the movable rod 11 is sleeved with a buffer spring 13, because the impact-proof plate 12 is tightly attached to the inner wall of the outer barrel 5, when external impact force causes the deformation of the outer barrel 5, the impact force acts on the impact-proof plate 12, so that the movable rod 11 moves in the inner cavity of the sleeve 10, the impact force is offset by the cooperation.

Protecting against shock board 12 is the arc structure and hugs closely in 5 inner walls of outer barrel, and protecting against shock board 12 is the rubber slab structure, has good shock attenuation performance, and protecting against shock board 12 is equipped with two sets ofly in 5 inner chambers of outer barrel, and the position setting about being in 5 inner chambers of outer barrel.

Referring to fig. 2, the sleeve 10 is a T-shaped tube structure, and the inner cavity of the sleeve 10 is provided with a buffering air bag 14, the buffering air bag 14 is connected with an air valve 16 arranged on the outer wall of the arc rod 9 through an air tube, when the movable rod 11 moves in the inner cavity of the sleeve 10, the end part of the movable rod presses the buffering air bag 14 to provide reverse buffering resistance for the movable rod 11, so as to reduce and offset a part of impact force, and the side wall of the outer cylinder 5 is provided with an air hole.

Two sets of elastic telescopic rods 7 are perpendicularly arranged on the outer wall of the protective sleeve 6 in a clinging mode, and the elastic telescopic rods 7 are telescopic rod structures with two ends capable of being stretched.

Referring to fig. 2, the included angle between adjacent impact-resistant plates 12 in the same group is 45 °, four impact-resistant plates 12 in each group are arranged, and the four impact-resistant plates 12 are circumferentially arranged in the inner cavity of the outer cylinder 5, so that the impact forces from different directions can be conveniently responded in all directions, all-directional protection can be realized on the components of the scintillation crystal detector, and the service life of the scintillation crystal detector is prolonged.

And a fixed filler 15 is filled between the outer cylinder 5 and the protective sleeve 6, so that the shock resistance of the scintillation crystal detector is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Shock-resistant scintillation crystal detector, including scintillation crystal (1) and photomultiplier (2), its characterized in that: an inner sleeve (4) is sleeved outside the scintillation crystal (1), a protective layer (3) is arranged in the inner cavity of the inner sleeve (4), and an outer cylinder (5) for accommodating the scintillation crystal (1) and the photomultiplier (2) is arranged outside the inner sleeve (4), a protective sleeve (6) is arranged on the outer side of the photomultiplier (2), elastic telescopic rods (7) are arranged on the outer wall of the protective sleeve (6) in a circumferential equidistant manner, a connecting shaft (8) is fixedly inserted at two ends of the elastic telescopic rod (7), one end of the connecting shaft (8) is movably inserted at the connecting end of the two sections of arc-shaped rods (9) in a penetrating way, a sleeve (10) is arranged between the adjacent arc-shaped rods (9), the inner cavity of the sleeve (10) is movably inserted with a movable rod (11), the end part of the movable rod (11) is fixedly connected with an impact-proof plate (12), and a buffer spring (13) is sleeved on the outer wall of the movable rod (11).

2. The impact-resistant scintillation crystal detector of claim 1, wherein: protecting against shock board (12) are the arc structure and hug closely in outer barrel (5) inner wall, just protecting against shock board (12) are the rubber slab structure, protecting against shock board (12) are equipped with two sets ofly in outer barrel (5) inner chamber.

3. The impact-resistant scintillation crystal detector of claim 1, wherein: the sleeve (10) is of a T-shaped pipe structure, a buffering air bag (14) is arranged in the inner cavity of the sleeve (10), the buffering air bag (14) is connected with an air valve (16) arranged on the outer wall of the arc-shaped rod (9) through an air pipe, and an air hole is formed in the side wall of the outer barrel body (5).

4. The impact-resistant scintillation crystal detector of claim 1, wherein: the elastic telescopic rod (7) is tightly attached to the outer wall of the protective sleeve (6) and is vertically provided with two groups, and the elastic telescopic rod (7) is a telescopic rod structure with two telescopic ends.

5. The impact-resistant scintillation crystal detector of claim 1, wherein: it is adjacent with the group contained angle between protecting against shock board (12) is 45, and every group protecting against shock board (12) all are equipped with four, four protecting against shock board (12) are the circumference form and locate outer barrel (5) inner chamber.

6. The impact-resistant scintillation crystal detector of claim 1, wherein: and a fixed filler (15) is filled between the outer cylinder (5) and the protective sleeve (6).