CN214278441U - Scintillation crystal packaging device - Google Patents
Scintillation crystal packaging device Download PDFInfo
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- CN214278441U CN214278441U CN202120203704.4U CN202120203704U CN214278441U CN 214278441 U CN214278441 U CN 214278441U CN 202120203704 U CN202120203704 U CN 202120203704U CN 214278441 U CN214278441 U CN 214278441U
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- scintillation crystal
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Abstract
The utility model discloses a scintillation crystal packaging device, which comprises a barrel with an opening at the upper part, a buffer sleeve which is annularly propped against the periphery of the inner side of the barrel, elastic pieces, a support plate, a buffer cushion and a scintillation crystal, wherein the elastic pieces are sequentially butted two by two from bottom to top and are arranged in the buffer sleeve; the elastic expansion direction of the elastic piece extends along the up-down direction, and the lower end of the elastic piece is abutted against the inner bottom surface of the barrel body; the buffer sleeve and the buffer pad are both light reflecting layers; the device also comprises a glass plate which covers the top of the scintillation crystal and the buffer sleeve, a gland which is detachably sleeved on the top of the cylinder body, and a through hole which is arranged in the gland and sleeved on the glass plate; the barrel includes cylindricality body, the connection that radially contracts inwards is at cylindricality body top and have the go-between of external screw thread, is equipped with the internal thread that is used for cooperating the external screw thread connection barrel in the gland. The utility model relates to a scintillation crystal packaging hardware, simple structure, it is sealed tight, easy dismounting can avoid the scintillation crystal broken in the use, scintillation crystal and barrel recycle.
Description
Technical Field
The utility model relates to a nuclear radiation detection technology field, in particular to scintillation crystal packaging hardware.
Background
The sodium iodide scintillation crystal detector is a kind of detector commonly used in the field of nuclear radiation detection, and the detector mainly comprises a scintillation crystal and a photomultiplier. Because the sodium iodide scintillation crystal is easy to deliquesce in the air, the sodium iodide scintillation crystal must be packaged as a detector material to isolate the contact of the sodium iodide scintillation crystal and the air; during detection, the sodium iodide scintillation crystal needs to bear certain impact, vibration and temperature change after being packaged.
In the prior art, a sodium iodide scintillation crystal is generally packaged in a mode that a metal shell is bonded with a glass window through a sealant; the technology has the problems of complex packaging operation, loose sealing, difficult disassembly, short service cycle, difficult recycling of the scintillation crystal and the metal shell, and the like.
Disclosure of Invention
The utility model aims at providing a scintillation crystal packaging hardware, simple structure, it is sealed tight, easy dismounting can avoid the scintillation crystal broken in the use, life cycle length, scintillation crystal and barrel recycle.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a scintillation crystal packaging device comprises a barrel with an opening at the upper part, a buffer sleeve annularly propped against the periphery of the inner side of the barrel, elastic pieces, a carrier plate, a buffer cushion and a scintillation crystal, wherein the elastic pieces, the carrier plate, the buffer cushion and the scintillation crystal are sequentially propped against each other two by two from bottom to top in the buffer sleeve;
the elastic telescopic direction of the elastic piece extends along the up-down direction, and the lower end of the elastic piece is abutted to the inner bottom surface of the barrel; the buffer sleeve and the buffer pad are both light reflecting layers;
the device also comprises a glass plate which covers the scintillation crystal and the top of the buffer sleeve, a gland which is detachably sleeved on the top of the cylinder body, and a through hole which is arranged in the gland and sleeved on the glass plate;
the barrel comprises a cylindrical body and a connecting ring which is radially inwards contracted and connected to the top end of the cylindrical body and is provided with an external thread, and an internal thread which is used for being matched with the external thread to be connected with the barrel is arranged in the gland.
Preferably, the glass plate is including covering the bottom of locating scintillation crystal top, the connection that radially contracts inwards the top layer of bottom upper end, the bottom support locate the scintillation crystal with between the gland and the ring support in the barrel, the top layer is worn to locate in the through-hole.
More preferably, the apparatus further comprises a sealing ring disposed between the upper surface of the substrate and the gland.
More preferably, the top layer is annularly abutted in the through hole along the circumferential direction of the top layer.
More preferably, the height of the top layer is higher than or equal to the height of the gland.
More preferably, the apparatus further comprises a buffer ring disposed between the bottom surface of the bottom layer and the scintillation crystal.
Still further preferably, the apparatus further comprises an optical couplant layer disposed between the scintillation crystal and the bottom layer and in the buffer ring.
Preferably, the cross-section of the scintillation crystal is rectangular or circular.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model relates to a scintillation crystal packaging device, which can avoid the scintillation crystal from being broken due to vibration and temperature difference in the using process by arranging an elastic piece, a buffer pad and a buffer sleeve; simple structure, it is sealed tight, easy dismounting passes through threaded connection between gland and the barrel, can realize the recycle of scintillation crystal and barrel.
Drawings
Fig. 1 is a schematic structural diagram of the device of the present invention.
Wherein: 1. a barrel; 2. a buffer sleeve; 3. an elastic member; 4. a carrier plate; 5. a cushion pad; 6. a scintillation crystal; 7. a glass plate; 71. a bottom layer; 72. a top layer; 8. a gland; 81. an annular top; 82. a cylindrical side portion; 9. a connecting ring; 10. a seal ring; 11. a buffer ring; 12. and an optical couplant layer.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, the scintillation crystal package apparatus includes a barrel 1 with an upper opening, a buffer sleeve 2 annularly abutting against the inner periphery of the barrel 1, an elastic member 3 disposed in the buffer sleeve 2 and abutting against each other from bottom to top in sequence, a carrier plate 4, a buffer pad 5, and a scintillation crystal 6.
The elastic extension direction of the elastic element 3 extends along the up-down direction, the lower end of the elastic element 3 is propped against the inner bottom surface of the cylinder body 1, and the upper end of the elastic element 3 is propped against the lower surface of the support plate 4.
In the present embodiment, the scintillation crystal 6 is a sodium iodide scintillation crystal 6, and the elastic member 3 is a spring. The number of the springs is correspondingly set according to the size of the sodium iodide scintillation crystal 6. The shape of the sodium iodide scintillation crystal 6 can be cylindrical or cubic or rectangular, and the cross section of the sodium iodide scintillation crystal is circular or rectangular.
The buffer sleeve 2 and the buffer pad 5 are both light reflecting layers. Buffer sleeve 2 and buffer pad 5 have not only played the effect of buffering scintillation crystal 6, avoid it because vibration, or the temperature difference is broken when deformation, can also avoid light to jet out from scintillation crystal 6's side and bottom surface simultaneously.
Above-mentioned scintillation crystal packaging hardware still including covering locate scintillation crystal 6 and 2 top glass boards 7 of buffer sleeve, detachable cover locate the gland 8 at barrel 1 top, set up in gland 8 and the cover locate the through-hole on glass boards 7.
The glass plate 7 comprises a bottom layer 71 covering the top of the scintillation crystal 6, and a radially inwardly extending top layer 72 attached to the upper end of the bottom layer 71. The bottom layer 71 and the top layer 72 are integrally formed, and the top layer 72 may be a cylinder or a cone with an upward taper angle. In this embodiment, the top layer 72 and the bottom layer 71 are both cylindrical, and the diameter of the top layer 72 is smaller than the diameter of the bottom layer 71.
The bottom layer 71 is disposed between the scintillation crystal 6 and the cover 8 and annularly disposed in the barrel 1, and the top layer 72 is disposed through the through hole. In the present embodiment, the top layer 72 is annularly abutted in the through hole along the circumferential direction thereof, and the outer diameter of the top layer 72 is the same as the aperture of the through hole; the height of the top layer 72 is then higher than or equal to the height of the gland 8.
The scintillation crystal packaging device further comprises a buffer ring 11 arranged between the lower surface of the bottom layer 71 and the scintillation crystal 6. Through setting up buffer ring 11 for the pressure between scintillation crystal 6 and the glass board 7 is cushioned, avoids the vibration to lead to glass board 7 and scintillation crystal 6 to extrude the breakage each other.
In the present embodiment, the above-mentioned scintillation crystal packaging apparatus further includes an optical couplant layer 12 disposed between the scintillation crystal 6 and the bottom layer 71 and located in the buffer ring 11. Through setting up optical coupling agent layer 12, not only can avoid glass board 7 to cause the scratch to scintillation crystal 6, can also fill the gap between glass board 7 and scintillation crystal 6. The optical couplant layer 12 is a light-transmitting layer.
In this embodiment, glass board 7 is window glass, supports scintillation crystal 6 tightly on glass board 7 through elastic component 3, not only can guarantee that scintillation crystal 6 passes through optical coupling agent layer 12 and the inseparable butt of glass board 7, has still played the effect of elastic buffer simultaneously, avoids scintillation crystal 6 because vibration or the difference in temperature is broken.
The scintillation crystal packaging device further comprises a sealing ring 10 arranged between the upper surface of the bottom layer 71 and the gland 8. Specifically, the annular groove is formed in the upper surface of the bottom layer 71, the sealing ring 10 is arranged in the annular groove, the top of the sealing ring 10 is abutted against the lower surface of the gland 8, and the sealing ring 10 is arranged to ensure tight and tight packaging and isolate the scintillation crystal 6 from the outside air.
The cylinder body 1 comprises a cylindrical body and a connecting ring 9 which is radially inwards contracted, is connected to the top end of the cylindrical body and is provided with an external thread, and an internal thread used for being matched with the external thread to be connected with the cylinder body 1 is arranged in the gland 8. The cylindrical body is cylindrical or square column shaped, and the connecting ring 9 is circular ring or rectangular ring.
Referring to fig. 1, the gland 8 includes an annular top portion 81 having a through hole, and a cylindrical side portion 82 having an upper end connected to an outer edge of the annular top portion 81 in a circumferential direction, and an internal thread is provided in the cylindrical side portion 82. The annular top 81 is pressed onto the bottom layer 71.
Through this setting, this packaging hardware easy dismounting unpacks gland 8 the back apart, can realize the recycle of scintillation crystal 6 and barrel 1.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. A scintillation crystal packaging apparatus, characterized by: the scintillation device comprises a cylinder with an opening at the upper part, a buffer sleeve which is annularly propped against the periphery of the inner side of the cylinder, elastic pieces which are sequentially propped against each other from bottom to top and are arranged in the buffer sleeve in pairs, a carrier plate, a buffer pad and a scintillation crystal;
the elastic telescopic direction of the elastic piece extends along the up-down direction, and the lower end of the elastic piece is abutted to the inner bottom surface of the barrel; the buffer sleeve and the buffer pad are both light reflecting layers;
the device also comprises a glass plate which covers the scintillation crystal and the top of the buffer sleeve, a gland which is detachably sleeved on the top of the cylinder body, and a through hole which is arranged in the gland and sleeved on the glass plate;
the barrel comprises a cylindrical body and a connecting ring which is radially inwards contracted and connected to the top end of the cylindrical body and is provided with an external thread, and an internal thread which is used for being matched with the external thread to be connected with the barrel is arranged in the gland.
2. The scintillation crystal packaging apparatus of claim 1, wherein: the glass plate is arranged on the bottom layer of the top of the scintillation crystal through a cover, and is connected with the top layer at the upper end of the bottom layer in a radially inward contracting mode, the bottom layer is abutted to the scintillation crystal and between the pressing covers, the top layer is abutted to the barrel, and the top layer penetrates through the through hole.
3. The scintillation crystal packaging apparatus of claim 2, wherein: the device also comprises a sealing ring arranged between the upper surface of the bottom layer and the gland.
4. The scintillation crystal packaging apparatus of claim 2, wherein: the apparatus also includes a buffer ring disposed between the bottom surface and the scintillation crystal.
5. The scintillation crystal packaging apparatus of claim 4, wherein: the apparatus also includes an optical couplant layer disposed between the scintillation crystal and the bottom layer and in the buffer ring.
6. The scintillation crystal packaging apparatus of claim 2, wherein: the top layer is annularly propped against the through hole along the circumferential direction of the top layer.
7. The scintillation crystal packaging apparatus of claim 2, wherein: the height of the top layer is higher than or equal to the height of the gland.
8. The scintillation crystal packaging apparatus of claim 1, wherein: the cross section of the scintillation crystal is rectangular or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203704.4U CN214278441U (en) | 2021-01-25 | 2021-01-25 | Scintillation crystal packaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203704.4U CN214278441U (en) | 2021-01-25 | 2021-01-25 | Scintillation crystal packaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214278441U true CN214278441U (en) | 2021-09-24 |
Family
ID=77768915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120203704.4U Active CN214278441U (en) | 2021-01-25 | 2021-01-25 | Scintillation crystal packaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214278441U (en) |
-
2021
- 2021-01-25 CN CN202120203704.4U patent/CN214278441U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230307 Address after: No. 8, Donglai Dongli Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215000 Patentee after: JIANGSU XINGTELIANG TECHNOLOGY CO.,LTD. Address before: 716000 No.6, new material high tech Industrial Park, Baota District, Yan'an City, Shaanxi Province Patentee before: Yan'an xingteliang Technology Innovation Co.,Ltd. |