CN2489331Y - Shielded body with wing for ray source - Google Patents
Shielded body with wing for ray source Download PDFInfo
- Publication number
- CN2489331Y CN2489331Y CN 01233125 CN01233125U CN2489331Y CN 2489331 Y CN2489331 Y CN 2489331Y CN 01233125 CN01233125 CN 01233125 CN 01233125 U CN01233125 U CN 01233125U CN 2489331 Y CN2489331 Y CN 2489331Y
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- CN
- China
- Prior art keywords
- size
- barricade
- shield
- band wing
- horizontal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000005855 radiation Effects 0.000 abstract description 13
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005025 nuclear technology Methods 0.000 abstract description 2
- 238000003384 imaging method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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Abstract
The utility model belongs to the application field of nuclear technology, comprising two symmetry screen walls which are arranged respectively at the two sides of a narrow bunch exit of the redial source, forming a redial bunch channel. The two symmetry screen walls of the utility model can absorb most of the stray radiation caused by the bunch exit when redial bunches pass the bunch exit of an accelerator, thus useful narrow bunches pass the narrow bunch channel. Therefore, the utility model is helpful in reducing the environmental dosage of the radiation protection area, and providing collimation function.
Description
Technical field
The utility model belongs to the Application of Nuclear Technology field, particularly radiogenic shield structural design.
Background technology
Container radiological survey X system is by high energy X, gamma-ray powerful penetration capacity, need not unpack and can see the quick check equipment of goods in the container.Ray is through the narrow constraint that goes out bundle mouthful of radiographic source device, and a part forms the useful narrow beam irradiation source of system requirements, remainder with go out a bundle mouthful collision and form a stray radiation.This part stray radiation has but increased the environmental dose in the radiation protection district to the not contribution of imaging of system.
Background technology
The purpose of this utility model is for overcoming the weak point of prior art, propose a kind of radiogenic band wing shield, it is reduced the influence of bundle mouth place stray radiation to the radiation protection district, can improving the alignment function of beam simultaneously.
A kind of radiogenic band wing shield that the utility model proposes is characterized in that, comprises two symmetrical shielding walls that are arranged on radiographic source narrow channel of bundle of rays both sides, constitutes the beam passage between these two symmetrical shielding walls.
This band wing shield can be made of two symmetrically arranged L shaped plate bodies, wherein constitutes the beam passage between the two perpendicular barricades.This width of channel requires decision by the imaging subsystem, and range of size is 3mm～100mm; Two perpendicular barricade thickness, highly, horizontal barricade above and below length, thickness determines that according to system's place shielding area size range of size is 10mm～1000mm;
The following part in the inner part of said two horizontal barricades can be the dip plane.
This band wing shield also can be made of two inverted L shaped plate bodies of symmetry, wherein constitutes the beam passage between the two horizontal barricade end faces.This width of channel L
1Require decision by the imaging subsystem, range of size is 3mm～100mm; The thickness of horizontal barricade above and below length, the two perpendicular inside and outside face length degree of barricade, horizontal barricade and perpendicular barricades determines that according to system's place shielding area size range of size is 10mm～1000mm;
It is step-like that this two horizontal barricade top forms.
The function of band wing shield of the present utility model is formed with and use the narrow beam beam from the ray 3 of the radiographic source 1 bundle mouthful 5 back parts that go out by accelerator mouth shield 2 as shown in Figure 1, remainder with go out a bundle mouthful collision formation stray radiation.Band wing shield 4 will go out the stray radiation shielding at bundle mouthful place, reduce the influence of stray radiation to the place ahead and left and right sides radiation protection district.
When the utility model can make beam go out the bundle mouth by accelerator, go out the bundle mouthful stray radiation major part that causes and absorbed by two symmetrical shielding walls, useful narrow beam beam is penetrated from the wire harness passage and is passed through, and has not only reduced the environmental dose in radiation protection zone, simultaneously, also have alignment function concurrently.
Description of drawings
Fig. 1 is a functional schematic of the present utility model.
Fig. 2 is embodiment one a concrete structure synoptic diagram of the present utility model.
Fig. 3 is embodiment two concrete structure synoptic diagram of the present utility model.
Fig. 4 is embodiment three concrete structure synoptic diagram of the present utility model.
Fig. 5 is embodiment four concrete structure synoptic diagram of the present utility model.
Embodiment
The utility model is designed four kinds of radiogenic band wing shield example structure shown in Fig. 2-5, is described in detail as follows respectively in conjunction with each figure:
Embodiment one, its structure and parameter as shown in Figure 2, this band wing shield is made of two symmetrically arranged L shaped plate bodies, wherein constitutes the beam path 10 between the two perpendicular barricades 11.Its major parameter is: the width L of this path 10
1Require decision by the imaging subsystem, be of a size of 10mm; Two perpendicular barricade 11 thickness L
2, the height L
3, horizontal barricade 12 above and below length L
4, L
6, thickness L5 determines that according to system place shielding area size size is respectively L
2=40mm, L
3=300mm, L
4=210mm, L
5=50mm, L
6=250mm; Shield height (not shown, as to be meant the width of L shaped plate body in the side view) should satisfy can cover beam, is of a size of 500mm.
Embodiment two, its structure and parameter are as shown in Figure 3, this band wing shield structure and embodiment one are basic identical, constitute by two symmetrically arranged L shaped plate bodies, wherein constitute beam passage 20 between the two perpendicular barricades 21, its difference is that the following part in the inner part of two horizontal barricades 22 is dip plane 221.Its major parameter is: the width L of this passage 20
1Require decision by the imaging subsystem, be of a size of 30mm; Two perpendicular barricade 21 thickness L
2, the height L
3, horizontal barricade 22 above and below length L
4, L
6, L
7Thickness L
5Determine that according to system's place shielding area size size is respectively L
2=80mm, L
3=600mm, L
4=450mm, L
5=100mm, L
6=320mm, L
7=300mm; Shield height (not shown, as to be meant the width of L shaped plate body in the side view) should satisfy can cover beam, and range of size is 750mm.
Embodiment three, its structure and parameter are as shown in Figure 4, this band wing shield is made of two inverted L shaped plate bodies of symmetry, wherein constitute beam passage 30 between two horizontal barricade 31 end faces, its difference is that the top formation of two horizontal barricades 31 is step-like, and its major parameter is: the width L of this passage 30
1Require decision by the imaging subsystem, be of a size of 50mm; Horizontal barricade 31 above and below length L
2, L
3, L
7, two perpendicular barricade 32 inside and outside face length degree L
4, L
6, horizontal barricade 31 and two perpendicular barricades 32 thickness L
5Determine that according to system's place shielding area size size is respectively L
2=80mm, L
3=150mm, L
4=600mm, L
5=90mm, L
6=450mm, L
7=140mm; Shield height (not shown, as to be meant the width of inverted L shaped plate body in the side view) should satisfy can cover beam, is of a size of 1600mm.
Embodiment four, its structure and parameter as shown in Figure 5, this band wing shield is made of two inverted L shaped plate bodies of symmetry, wherein constitutes beam passage 40 between two horizontal barricade 41 end faces.Its major parameter is: the width L of this passage 40
1Require decision by the imaging subsystem, be of a size of 25mm; Horizontal barricade 41 above and below length L
2, L
6, two perpendicular barricade 42 inside and outside face length degree L
5, L
3, horizontal barricade 41 and two perpendicular barricades 42 thickness L
4, L
7Determine that according to system's place shielding area size size is respectively L
2=450mm, L
3=650mm, L
4=100mm, L
5=530mm, L
6=350mm, L
7=120mm; Shield height (not shown, as to be meant the width of inverted L shaped plate body in the side view) should satisfy can cover beam, and range of size is 300mm.
Present embodiment is applied in the container check system, go out bundle mouthful additional band wing shield after, dose rate reduces significantly in the guard plot, ratio does not wait from 10%～10000%.
Claims (5)
1. a radiogenic band wing shield is characterized in that, comprises two symmetrical shielding walls that are arranged on radiographic source narrow channel of bundle of rays both sides, constitutes the beam passage between these two symmetrical shielding walls.
2. radiogenic band wing shield as claimed in claim 1 is characterized in that this band wing shield is made of two symmetrically arranged L shaped plate bodies, wherein constitutes the beam passage between the two perpendicular barricades; The range of size of this width of channel is 3mm～100mm; Two perpendicular barricade thickness, highly, the range of size of horizontal barricade above and below length, thickness is 10mm～1000mm; The range of size of shield height is 10mm～5000mm.
3. radiogenic band wing shield as claimed in claim 2 is characterized in that, the following part in the inner part of said two horizontal barricades is the dip plane.
4. radiogenic band wing shield as claimed in claim 1 is characterized in that, this band wing shield is made of two inverted L shaped plate bodies of symmetry, wherein constitutes the beam passage between the two horizontal barricade end faces; The range of size of this width of channel is 3mm～100mm; The range of size of the thickness of this horizontal barricade above and below length, the two perpendicular inside and outside face length degree of barricade, horizontal barricade and perpendicular barricades is 10mm～1000mm; The range of size of shield height is 10mm～5000mm.
5. radiogenic band wing shield as claimed in claim 4 is characterized in that, it is step-like that this two horizontal barricade top forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233125 CN2489331Y (en) | 2001-08-10 | 2001-08-10 | Shielded body with wing for ray source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233125 CN2489331Y (en) | 2001-08-10 | 2001-08-10 | Shielded body with wing for ray source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2489331Y true CN2489331Y (en) | 2002-05-01 |
Family
ID=33647039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01233125 Expired - Fee Related CN2489331Y (en) | 2001-08-10 | 2001-08-10 | Shielded body with wing for ray source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2489331Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628006A (en) * | 2015-11-06 | 2016-06-01 | 同方威视技术股份有限公司 | Collimation device and ray inspection device |
| CN105702312A (en) * | 2015-11-06 | 2016-06-22 | 同方威视技术股份有限公司 | Beam guide device and radiation checking device comprising the beam guide device |
-
2001
- 2001-08-10 CN CN 01233125 patent/CN2489331Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628006A (en) * | 2015-11-06 | 2016-06-01 | 同方威视技术股份有限公司 | Collimation device and ray inspection device |
| CN105702312A (en) * | 2015-11-06 | 2016-06-22 | 同方威视技术股份有限公司 | Beam guide device and radiation checking device comprising the beam guide device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TONGFANG WEISHI TECHNOLOGY CO., LTD., QINGHUA Free format text: CHANGE FOR CO-PATENTEE; FORMER NAME OR ADDRESS: QINGHUA UNIV. |
|
| CP01 | Change in the name or title of a patent holder |
Co-patentee after: Qinghua Tongfang Weishi Tech Co.,Ltd. Co-patentee before: Qinghua Univ. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100084 Tsinghua Yuan, Beijing, Haidian District Co-patentee after: Nuctech Company Limited Patentee after: Tsinghua University Address before: 100084 Tsinghua Yuan, Beijing, Haidian District Co-patentee before: Qinghua Tongfang Weishi Tech Co.,Ltd. Patentee before: Tsinghua University |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020501 Termination date: 20090810 |