CN206236434U - Collimater, radiation-emitting device and inspection equipment - Google Patents
Collimater, radiation-emitting device and inspection equipment Download PDFInfo
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- CN206236434U CN206236434U CN201621347679.2U CN201621347679U CN206236434U CN 206236434 U CN206236434 U CN 206236434U CN 201621347679 U CN201621347679 U CN 201621347679U CN 206236434 U CN206236434 U CN 206236434U
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- collimater
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- collimating components
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- 238000007689 inspection Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 230000000644 propagated effect Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000155 isotopic effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses collimater, radiation-emitting device and inspection equipment.A kind of collimater, it is connected with the ray emitter of divergent-ray, one wherein in collimater and ray emitter is provided with protuberance, another in collimater and ray emitter sets recess, protuberance is placed in recess so that ray emitter and collimater arrangement close to each other and can be connected, ray propagates to collimater in the passage in protuberance and recess from ray emitter.
Description
Technical field
The utility model is related to technical field of radiation detection, more particularly to collimater, radiation-emitting device and inspection equipment.
Background technology
Generally, the initial ray that accelerator or isotopic source are given directly can not meet use demand, it is necessary to according to reality
Demand utilization collimater is constrained it again.Collimator design quality is directly connected to image quality and surrounding environment dosage water
It is flat, while collimater own wt and manufacturing cost are also systematic entirety, and the factor of consideration can be needed.Traditional collimater sets
Meter uses first release, the principle of rear collimation, i.e.,：First allow ray a large amount of out, shielding is then collimated again.Because ray is typically
Diverging, the design directly results in that collimater volume is excessive, while the scattered ray shielding difficulty increase that collimater itself is produced.
Existing collimater generally using the two rectangles collimation block that volume is larger, then additionally increases both wings and enters in collimater entrance and exit
Row backshield, this collimater volume is big, weight weight, is accordingly more expensive to manufacture.
Utility model content
According to one side of the present utility model, there is provided a kind of collimater, it is connected with the ray emitter of divergent-ray, its
One in middle collimater and ray emitter is provided with protuberance, and another setting in collimater and ray emitter is recessed
Portion so that protuberance can be placed in recess so that ray emitter and collimater arrangement close to each other and can be connected, ray
In passage in protuberance and recess collimater is propagated to from ray emitter.
In one embodiment, collimater includes at least two main collimating components, and at least two main collimating components are configured to
Slit is formed between at least two main collimating components is used for collimated rays, and is formed with the collimation for ray described in outgoing
Device is exported；One wherein in protuberance or recess is arranged at described at least two main collimating components.
In one embodiment, at least two main collimating components configurations are formed so that the ray wheel of collimator port outgoing
It is wide corresponding with detector arrangement is formed shape.
In one embodiment, the ray profile of collimator port outgoing is consistent with the shape that detector arrangement is formed.
In one embodiment, at least two main collimating components are configured so that part of the collimater at collimator port
The area of section of the open cross-section in part opposing rays direction gradually increases along ray exit direction.
In one embodiment, at least two main collimating components are configured to being close to for the Part portions at collimator port
Ray exiting side has inclined-plane respectively so that the opening in the opposing rays direction of Part portions of the collimater at collimator port
Cross section has the area of section gradually increased along ray exit direction.
In one embodiment, Part portions of the collimater at collimator port have the conical outlet of indent.
In one embodiment, relative to the inner side propagated near ray, the outside difference of at least two main collimating components
At least one pair of shield is set.
In one embodiment, at least two pairs shields are respectively provided with the outside of at least two main collimating components.
In one embodiment, at least two pairs shields are arranged to leaning in the outside of at least two main collimating components
Stack and overlap at the position of nearly ray emitter, and the overlap reduction between ray exit direction shield, make
The lateral dimension relative to ray exit direction for obtaining whole collimater reduces.
In one embodiment, at least two pairs shields are first pair of shield and second pair of additional mask
Part, the first shield and the second shield are close to ray emitter, and second pair of shield is arranged in first
To in shield and the second pair of length of shield is less than the first pair of length of shield.
In one embodiment, main collimating components are formed by lead or tungsten material.
In one embodiment, shield is formed by lead or tungsten material.
According to one side of the present utility model, there is provided a kind of radiation-emitting device, including collimater as the aforementioned.
According to one side of the present utility model, there is provided a kind of inspection equipment, including such as preceding radiation-emitting device, and spy
Device, wherein detector arrangement are surveyed into corresponding with the profile of the ray that radiation-emitting device is launched.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the inspection equipment of the utility model one embodiment.
Fig. 2 is the front view of the collimator port of the utility model one embodiment.
Fig. 3 (a) is the schematic cross-section of the collimater of the utility model one embodiment, and Fig. 3 (b) is circle in Fig. 3 (a)
One partial enlarged view of interior main collimating components.
Specific embodiment
Although the utility model allows various modifications and interchangeable form, its specific embodiment passes through example
Mode be shown in the drawings, and will be described herein in detail.It should be appreciated, however, that the accompanying drawing enclosed and detailed
Description is not configured to for the utility model to be restricted to disclosed concrete form, but conversely, is fallen into by enclosing to cover
All of modification, equivalents and alternative forms in the spirit and scope of the present utility model that claim is limited.Accompanying drawing is
In order to illustrate, thus draw not to scale.
Below according to brief description of the drawings according to multiple embodiments of the present utility model.
One embodiment of the present utility model provides a kind of collimater 10, is arranged in the ray emitter outlet of divergent-ray
Place, wherein in collimater 10 and ray emitter 20 is provided with protuberance 21, in collimater 10 and ray emitter 20
Another recess 11 is set so that protuberance 21 can be placed in recess 11 so that ray emitter 20 and collimater 10 can
Arrangement close to each other, ray propagates to collimater in the passage or slit in protuberance 21 and recess 11 from ray emitter 20
10。
Fig. 1 shows that wherein ray emitter 20 has protuberance 21, and collimates according to one embodiment of the present utility model
Device 10 has recess 11.In existing equipment, because the volume of ray emitter 20 and collimater 10 is all very big, actually should
Both are difficult to be close to during, setting shielding part or screen are generally required therebetween to isolate ray, it is to avoid ray
Let out at the position of both joints and cause personnel to injure, this causes whole equipment or system to take very big volume.
For the cooperation of ray emitter and collimater, device manufacturing process complexity is thus resulted in, cost increases.
And embodiment of the present utility model sets the recess 11 that protuberance 21 inserts collimater 10 on ray emitter 20,
So, although the other parts of ray emitter 20 are because the factor such as shape can not be close to collimater 10, however ray emitter
20 part, i.e. protuberance 21 are inserted into the recess 11 of collimater 10 so that ray is in protuberance 21 and recess 11
Passage propagate, ray thus will not be leaked to outside, or only a small amount of ray scattering or be leaked to its exterior.With this
The configuration mode of sample, it is possible to use simple connection or combination realize the shielding of ray, while the manufacturing cost drop of equipment
It is low, it might even be possible to be modified to realize using existing equipment.There may be between ray emitter 20 and collimater 10
Slit, that is to say, that both can not be in close contact, due to the present embodiment provide protuberance 21 and recess 11 cooperation, i.e.,
Make both not be in close contact ray also not leaking out to cause personnel to injure, it ensure that security, while giving equipment design
With the great free degree of manufacture, possesses important meaning in actual production manufacturing process.Fig. 1 is schematic diagram, part in figure
Size does not represent the size of physical unit, also, the size of all parts in Fig. 1 can be configured as needed.
In another embodiment of the present utility model (not shown), collimater 10 sets protuberance 21, ray emitter 20
Recess 11 is set.
In embodiment of the present utility model, the size of protuberance and recess does not have specific regulation, can be according to need
Will, the size of the power, ray emitter and collimater of such as ray flexibly sets the size of protuberance and recess.
According to one embodiment of the present utility model, collimater 10 includes at least two main collimating components 101, at least two
Main collimating components 101 are configured to be formed between at least two main collimating components 101 slit or passage 100 for collimated rays,
And the collimater 10 being formed with for ray described in outgoing is exported.In the present embodiment, in protuberance 21 or recess 11
It is individual to be arranged in described at least two main collimating components 101.In other embodiments, protuberance 21 or recess 11 can be arranged on
In the other parts of collimater 10, continued with collimating components.In an embodiment as illustrated in figure 3, two main collimaters 10 are set
Part.
According to one embodiment of the present utility model, the configuration of at least two main collimating components 101 is formed so that collimater
The ray profile of 10 outlet outgoing is corresponding or consistent with the shape that the arrangement of detector 30 is formed.For example, the outlet outgoing of collimater 10
Ray profile and detector 30 arrangement formed be shaped as inverted "L" shaped.In other cases, collimater 10 exports penetrating for outgoing
" I " shape that what line profile and detector 30 arrangement were formed be shaped as, " [" shape, "] " shape, " Γ " shape, " Π " shape, " ∩ " shape or other
Shape.In order to form desired ray profile, it is possible to use the main collimating components 101 of more than two.
According to one embodiment of the present utility model, at least two main collimating components 101 are configured so that collimater 10 exists
The area of section of the open cross-section in the Part portions opposing rays direction at collimator port 12 along ray exit direction gradually
Increase.As shown in figure 3, two main collimating components 101 are configured with recess at collimator port 12.For example, going out in collimater
The close ray exiting side of the Part portions at mouth 12 has inclined-plane respectively (partial enlargement is illustrated in such as Fig. 3) so that collimation
The open cross-section in the opposing rays direction of Part portions of the device 10 at collimator port 12 have along ray exit direction by
Cumulative big area of section.In one embodiment, multiple main collimating components 101 constitute collimater 10, multiple main collimating components
101 slit of composition collimater 10 or the side of ray channel 100 set inclined-plane at collimator port 12, so go out along ray
Penetrate what the area of section of the open cross-section in direction gradually increased.In another embodiment, collimater 10 is in collimator port
Part portions at 12 have the conical outlet of indent.Due to setting such opening, ray scattering phenomenon is mitigated.
According to one embodiment of the present utility model, relative to the inner side propagated near ray, at least two main collimation portions
The outside of part 101 is respectively provided with least a pair of shields 102,103.The outside difference of at least two main collimating components 101
Two pairs of shields 102,103 are set.The outside of at least two main collimating components 101 is respectively provided with least two pairs additional masks
Part 102,103.At least two pairs shields 102,103 are arranged to being close in the outside of at least two main collimating components 101
Stack and overlap at the position of ray emitter 20, and the overlap between ray exit direction shield 102,103
Reduce so that the horizontal chi relative to ray exit direction of whole collimater 10 while the shield effectiveness to ray is ensured
Very little reduction.
In one embodiment, at least two pairs shields 102,103 are first pair of shield 102 and second pair
Shield 103, the first shield 102 and the second shield 103 are close to ray emitter 20, and second pair attached
Plus shielding part 103 is arranged in first pair of shield 102 and the second pair of length of shield 103 is less than first pair
The length of shield 102.First pair of shield 102 and the second pair of thickness of shield 103 can with difference,
With identical, and can as needed be configured.
As illustrated, in the illustrated embodiment, the passage 100 for ray is constituted between two main collimating components 101,
Recess as depicted is formed at two outlets of main collimating components 101 12 (i.e. collimator port 12) place, i.e., in main collimation portion
The side near ray of part 101 forms inclined-plane, two main collimating components 101 thus form the opening for gradually expanding.That is, edge is penetrated
What the area of section of the open cross-section of line exit direction gradually increased.In one embodiment, when used for the passage 100 of ray
Cross section be circular or when square opening, the cross section at opening can form taper.In two main collimating components 101
Outside, i.e., away from the side of ray, set shield 102,103, and the setting of shield 102,103 is as schemed
Show, against the arrangement of main collimating components 101 is the first shield 102, and the second shield 103 is arranged in first and adds
On shielding part 102, the length of the length less than the first shield 102 of the second shield 103, first and second add
Shielding part 103 is all arranged near ray emitter 20.As illustrated, the first shield 102 and the second shield 103
It is arranged so that collimater 10 is gradually reduced along ray emitter 20 towards radiation exit direction volume, in other words, relative to penetrating
The cross section of the line direction of propagation is gradually reduced.By such arrangement, the volume and weight of collimater 10 can be reduced, while penetrating
The shield effectiveness of line can be ensured.
According to embodiment of the present utility model, main collimating components 101 are formed by lead or tungsten material.Shield 102,
103 are formed by lead or tungsten material.
According to one side of the present utility model, there is provided a kind of radiation-emitting device, it includes collimater as the aforementioned 10.
According to one side of the present utility model, there is provided a kind of inspection equipment, including such as preceding radiation-emitting device, and spy
Device, wherein detector arrangement are surveyed into corresponding with the profile of the ray that radiation-emitting device is launched.As illustrated, as shown in Figure 2
Inspection equipment in, ray profile is inverted "L" shaped, and detector array is classified as inverted "L" shaped so that the ray of transmitting is by corresponding detection
Device array received.
Although some embodiments of this patent general plotting have been shown and have illustrated, those of ordinary skill in the art will manage
Solution, in the case of the principle without departing substantially from this patent general plotting and spirit, can make a change to these embodiments, and this practicality is new
The scope of type is limited with claim and their equivalent.
Claims (15)
1. a kind of collimater, is connected with the ray emitter of divergent-ray, and wherein in collimater and ray emitter sets
Be equipped with protuberance, another in collimater and ray emitter sets recess so that protuberance can be placed in recess so as to
Ray emitter and collimater arrangement close to each other and can be connected, and ray is sent out in the passage in protuberance and recess from ray
Emitter propagates to collimater.
2. collimater according to claim 1, wherein collimater include at least two main collimating components, at least two main standards
Straight member is configured to be formed between at least two main collimating components slit for collimated rays, and is formed with for outgoing institute
State the collimator port of ray；One wherein in protuberance or recess is arranged at described at least two main collimating components.
3. collimater according to claim 2, the main collimating components configuration of wherein at least two is formed so that collimater goes out
The ray profile of mouth outgoing is corresponding with the shape that detector arrangement is formed.
4. collimater according to claim 3, the ray profile of wherein collimator port outgoing is formed with detector arrangement
Shape it is consistent.
5. collimater according to claim 2, the main collimating components of wherein at least two are configured so that collimater in collimation
The area of section of the open cross-section in the Part portions opposing rays direction in device exit gradually increases along ray exit direction.
6. collimater according to claim 5, the main collimating components of wherein at least two are configured at collimator port
The close ray exiting side of Part portions respectively have inclined-plane so that Part portions of the collimater at collimator port it is relative
The open cross-section of directions of rays has the area of section gradually increased along ray exit direction.
7. collimater according to claim 2, wherein Part portions of the collimater at collimator port have indent
Conical outlet.
8. collimater according to claim 2, wherein relative to the inner side propagated near ray, at least two main collimation portions
At least a pair of shields are respectively provided with the outside of part.
9. collimater according to claim 8, is respectively provided with least two pairs on the outside of the main collimating components of wherein at least two
Shield.
10. collimater according to claim 9, wherein at least two is arranged at least two main collimations to shield
Stack and overlap at the position near ray emitter in the outside of part, and between ray exit direction shield
Overlap reduce so that the lateral dimension relative to ray exit direction of whole collimater reduces.
11. collimaters according to claim 10, wherein at least two be to shield the first pair of shield and
Second pair of shield, the first shield and the second shield are close to ray emitter, second pair of additional screen
Shield is arranged in first pair of shield and the second pair of length of shield is less than the first pair of shield
Length.
12. collimaters according to claim 2, wherein main collimating components are formed by lead or tungsten material.
13. collimaters according to claim 8, wherein shield are formed by lead or tungsten material.
A kind of 14. radiation-emitting devices, including such as collimater in any one of the preceding claims wherein.
A kind of 15. inspection equipment, including radiation-emitting device as claimed in claim 14, and detector, wherein detector cloth
It is set to corresponding with the profile of the ray that radiation-emitting device is launched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621347679.2U CN206236434U (en) | 2016-12-08 | 2016-12-08 | Collimater, radiation-emitting device and inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621347679.2U CN206236434U (en) | 2016-12-08 | 2016-12-08 | Collimater, radiation-emitting device and inspection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206236434U true CN206236434U (en) | 2017-06-09 |
Family
ID=58979266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621347679.2U Withdrawn - After Issue CN206236434U (en) | 2016-12-08 | 2016-12-08 | Collimater, radiation-emitting device and inspection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206236434U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504812A (en) * | 2016-12-08 | 2017-03-15 | 清华大学 | Collimators, radiation emitters and inspection equipment |
| CN114974642A (en) * | 2022-04-26 | 2022-08-30 | 中国原子能科学研究院 | An angle-adjustable collimator and ray equipment |
-
2016
- 2016-12-08 CN CN201621347679.2U patent/CN206236434U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504812A (en) * | 2016-12-08 | 2017-03-15 | 清华大学 | Collimators, radiation emitters and inspection equipment |
| CN106504812B (en) * | 2016-12-08 | 2018-10-09 | 清华大学 | Collimator, radiation-emitting device and inspection equipment |
| US10939892B2 (en) | 2016-12-08 | 2021-03-09 | Nuctech Company Limited | Collimator, radiation emitting assembly and inspection apparatus |
| CN114974642A (en) * | 2022-04-26 | 2022-08-30 | 中国原子能科学研究院 | An angle-adjustable collimator and ray equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170609 Effective date of abandoning: 20181009 |