CN206505728U - A kind of screening arrangement for exploring dark matter - Google Patents
A kind of screening arrangement for exploring dark matter Download PDFInfo
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- CN206505728U CN206505728U CN201720191827.4U CN201720191827U CN206505728U CN 206505728 U CN206505728 U CN 206505728U CN 201720191827 U CN201720191827 U CN 201720191827U CN 206505728 U CN206505728 U CN 206505728U
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- screen layer
- screening arrangement
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- dark matter
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Abstract
The utility model is related to nuclear radiation shield technical field, specifically related to a kind of screening arrangement for exploring dark matter, including shield shell and radioactive source, the radioactive source is arranged in shield shell, and the shield shell includes the first alloy screen layer, resin screen layer, the second alloy screen layer set gradually from inside to outside.The utility model screening arrangement it is simple in construction, it is easy to use, effectively the ray that nuclear radiation is produced can be shielded, it is ensured that various materials in screening arrangement are not by external interference, to promoting scientific research, dark matter exploration significant.
Description
Technical field
The utility model is related to nuclear radiation shield technical field, and in particular to a kind of screening arrangement of exploration dark matter.
Background technology
Nuclear radiation is referred mainly to alpha ray, β rays, gamma-rays and neutron and propagated with form of energy, from radioactive source, nature
Environment and cosmic ray etc..Tested in accelerator, industry, the use of radioactive source is directed in radiating medical, it is necessary to by effective
Shielding means reduce Radiation On Human body injury.
In the prior art, it is all leaded in most shielding materials, because the protection to radioactive ray is mainly to penetrating
The strong gamma-ray shielding protection of ability, gamma-rays is a kind of electromagnetic wave than ultraviolet wavelength much shorter, is generally split by heavy nucleus
Change, fission product decay, radiation capture, inelastic scattering, activation products decay are produced.γ photons are not charged, mutual with material
Mechanism of action is different from charged particle, mainly based on photoelectric effect, Compton effect and pair effect, occurs one with material
Secondary interaction can cause its loss largely or entirely energy.And lead is to be currently known in protective materials to penetrate for γ in addition to gold
The absorption coefficient of line most strong material, it is contemplated that the cost of lead ratio gold is much lower, is easy to the factor of processing in process of production, leads to
Often the basic protective materials of radiation proof, such as lead glass, stereotype, lead brick etc. are used as from lead.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art to fill there is provided a kind of shielding for exploring dark matter
Put, it is simple in construction, it is easy to use, effectively the ray that nuclear radiation is produced can be shielded, it is ensured that various materials are not in shield
By external interference, to promoting scientific research, dark matter to explore significant.
The purpose of this utility model is achieved through the following technical solutions：
A kind of screening arrangement for exploring dark matter, including shield shell and radioactive source, the radioactive source are arranged on shielding
In housing, the shield shell includes the first alloy screen layer, resin screen layer, the second alloy screen set gradually from inside to outside
Cover layer.
Further, the material of the first alloy screen layer is at least one of copper, tungsten, lead alloy.
Further, the first alloy screen layer is acid bronze alloy screen layer.
Further, the material of the second alloy screen layer is at least one of copper, tungsten, lead alloy.
Further, the second alloy screen layer is lead-containing alloy screen layer.
Further, the resin screen layer is polytetrafluoroethylene (PTFE) screen layer.
Further, the shield shell is uniformly piled up by shielding brick and formed, and the shielding brick is included from top to bottom successively
Acid bronze alloy screen layer, polytetrafluoroethylene (PTFE) screen layer, the lead-containing alloy screen layer of setting.
Further, the shield shell is provided with handle hole, and the screening arrangement also includes what is matched with handle hole
Shield door, the acid bronze alloy screen layer, polytetrafluoroethylene (PTFE) screen layer, lead base that the shield door includes setting gradually from bottom to top is closed
Golden screen layer.
The beneficial effects of the utility model are：The utility model screening arrangement it is simple in construction, it is easy to use, can be effectively right
The ray that nuclear radiation is produced is shielded, it is ensured that various materials in screening arrangement not by external interference, to promotion scientific research,
Dark matter is explored significant.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device；
Fig. 2 is the profile of the utility model device；
In figure, 1- shield shells, 2- handle holes, 3- shield doors, 4- the first alloy screen layers, 5- resin screen layers, 6-
Two alloy screen layers, 7- radioactive sources, 8- acid bronze alloy screen layers, 9- polytetrafluoroethylene (PTFE) screen layers, 10- lead-containing alloy screen layers.
Embodiment
The technical solution of the utility model, but protection domain of the present utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As depicted in figs. 1 and 2, a kind of screening arrangement for exploring dark matter, including shield shell 1 and radioactive source 7, it is described
Radioactive source 7 is arranged in shield shell 1, the shield shell 1 include set gradually from inside to outside the first alloy screen layer 4,
Resin screen layer 5, the second alloy screen layer 6.
Specifically, the material of the first alloy screen layer 4 is at least one of copper, tungsten, lead alloy.
Specifically, the first alloy screen layer 4 is acid bronze alloy screen layer.
Specifically, the material of the second alloy screen layer 6 is at least one of copper, tungsten, lead alloy.
Specifically, the second alloy screen layer 6 is lead-containing alloy screen layer.
Specifically, the resin screen layer 5 is polytetrafluoroethylene (PTFE) screen layer.
Specifically, the shield shell 1 is uniformly piled up by shielding brick forms, and the shielding brick includes setting successively from top to bottom
Acid bronze alloy screen layer, polytetrafluoroethylene (PTFE) screen layer, the lead-containing alloy screen layer put.
Specifically, the shield shell 1 is provided with handle hole 2, and the screening arrangement also includes what is matched with handle hole 2
Shield door 3, the shield door 3 includes acid bronze alloy screen layer 8, polytetrafluoroethylene (PTFE) screen layer 9, the lead set gradually from bottom to top
Based alloy screen layer 10.
In use, shield to be measured is put into shield shell 1, shielded by the acid bronze alloy set gradually from inside to outside
The shield shell 1 that layer, polytetrafluoroethylene (PTFE) screen layer, lead-containing alloy screen layer are constituted, you can realize what is effectively produced to nuclear radiation
Ray is shielded, it is ensured that shield to be measured is not by external interference in shield shell 1, to promoting scientific research, dark matter to explore
It is significant.
Described above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area.And this area
The change and change that personnel are carried out do not depart from spirit and scope of the present utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (8)
1. a kind of screening arrangement for exploring dark matter, it is characterised in that including shield shell and radioactive source, the radioactive source is set
Put in shield shell, the first alloy screen layer that the shield shell includes setting gradually from inside to outside, resin screen layer, the
Two alloy screen layers.
2. a kind of screening arrangement for exploring dark matter according to claim 1, it is characterised in that the first alloy screen
It is at least one of copper, tungsten, lead alloy to cover the material of layer.
3. a kind of screening arrangement for exploring dark matter according to claim 2, it is characterised in that the first alloy screen
Layer is covered for acid bronze alloy screen layer.
4. a kind of screening arrangement for exploring dark matter according to claim 1, it is characterised in that the second alloy screen
It is at least one of copper, tungsten, lead alloy to cover the material of layer.
5. a kind of screening arrangement for exploring dark matter according to claim 4, it is characterised in that the second alloy screen
Layer is covered for lead-containing alloy screen layer.
6. a kind of screening arrangement for exploring dark matter according to claim 1, it is characterised in that the resin screen layer
For polytetrafluoroethylene (PTFE) screen layer.
7. it is according to claim 1 it is a kind of explore dark matter screening arrangement, it is characterised in that the shield shell by
Shielding brick, which is uniformly piled up, to be formed, and the shielding brick includes acid bronze alloy screen layer, the polytetrafluoroethylene (PTFE) set gradually from top to bottom
Screen layer, lead-containing alloy screen layer.
8. a kind of screening arrangement for exploring dark matter according to claim 1, it is characterised in that on the shield shell
Provided with handle hole, the screening arrangement also includes the shield door that matches with handle hole, the shield door include from bottom to top according to
Acid bronze alloy screen layer, polytetrafluoroethylene (PTFE) screen layer, the lead-containing alloy screen layer of secondary setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720191827.4U CN206505728U (en) | 2017-03-01 | 2017-03-01 | A kind of screening arrangement for exploring dark matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720191827.4U CN206505728U (en) | 2017-03-01 | 2017-03-01 | A kind of screening arrangement for exploring dark matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206505728U true CN206505728U (en) | 2017-09-19 |
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ID=59840525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720191827.4U Active CN206505728U (en) | 2017-03-01 | 2017-03-01 | A kind of screening arrangement for exploring dark matter |
Country Status (1)
| Country | Link |
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| CN (1) | CN206505728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378932A (en) * | 2020-10-27 | 2021-02-19 | 国网辽宁省电力有限公司丹东供电公司 | X-ray digital imaging DR (digital radiography) live detection equipment with shielding device |
| CN114062740A (en) * | 2021-10-12 | 2022-02-18 | 北京芯可鉴科技有限公司 | Filtering device for multi-signal single-wire entering darkroom |
-
2017
- 2017-03-01 CN CN201720191827.4U patent/CN206505728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378932A (en) * | 2020-10-27 | 2021-02-19 | 国网辽宁省电力有限公司丹东供电公司 | X-ray digital imaging DR (digital radiography) live detection equipment with shielding device |
| CN112378932B (en) * | 2020-10-27 | 2023-06-30 | 国网辽宁省电力有限公司丹东供电公司 | X-ray digital imaging DR electrified detection equipment with shielding device |
| CN114062740A (en) * | 2021-10-12 | 2022-02-18 | 北京芯可鉴科技有限公司 | Filtering device for multi-signal single-wire entering darkroom |
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