CN208421260U - A kind of adjustable X-ray detection system of amount of radiation - Google Patents
A kind of adjustable X-ray detection system of amount of radiation Download PDFInfo
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- CN208421260U CN208421260U CN201820526889.0U CN201820526889U CN208421260U CN 208421260 U CN208421260 U CN 208421260U CN 201820526889 U CN201820526889 U CN 201820526889U CN 208421260 U CN208421260 U CN 208421260U
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- detection system
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Abstract
The utility model discloses a kind of adjustable X-ray detection systems of amount of radiation, it includes radiographic source cavity, diaphragm and the detector set gradually along optical path direction, light-emitting window is provided on the radiographic source cavity, the front end of the detector is provided with ray probe, the diaphragm is open with adjustable diaphragm, the light-emitting window, diaphragm opening and ray probe are located on same axis, and the bottom of the diaphragm is additionally provided with the regulating device for adjusting diaphragm opening diameter.By the way that adjustable diaphragm that is open is arranged at the light-emitting window of radiographic source cavity, so that the amount of radiation of X-ray is in controllable state, and the exit direction that X-ray can be controlled by diaphragm, avoided high-intensitive X-ray defective detector, improved the safety of X-ray detection system.
Description
Technical field
The utility model relates to X-ray detection fields, in particular to set-top box and its guide-lighting light-shielding structure.
Background technique
X-ray is because its wavelength is short, energy is big, and when impinging upon on substance, only a part is absorbed by substance, most of via original
Sub- gap and penetrate, show very strong penetration capacity.The ability of X-ray penetrating material and the energy of x-ray photon are related, X
The wavelength of ray is shorter, and the energy of photon is bigger, and penetration power is stronger.The penetration power of X-ray also with the material density of testee
It is related, the different substance of density can be distinguished using this property of differential absorption.Therefore, X-ray is widely used in life
Various aspects, inspection of the screening machine to luggage are medically commonly used for fluoroscopic examination, are used to detect a flaw in industry.
In existing high-voltage technology, from radiographic source issue X-ray from all quarter direct irradiation in detected material
On body, it is unable to control the exit direction and amount of radiation of X-ray, is easy to produce leakage, causes harm to the human body or damage spy
Survey device.
Thus the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of adjustable X of amount of radiation
Ray detecting system, by the way that adjustable diaphragm that is open is arranged at the light-emitting window of radiographic source cavity, so that the amount of radiation of X-ray
In controllable state, and the exit direction of X-ray can be controlled by diaphragm, avoided high-intensitive X-ray defective detector,
Improve the safety of X-ray detection system.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of adjustable X-ray detection system of amount of radiation comprising radiographic source cavity, the light set gradually along optical path direction
Door screen and detector, light-emitting window is provided on the radiographic source cavity, and the front end of the detector is provided with ray probe, the light
Door screen has adjustable diaphragm opening, and the light-emitting window, diaphragm opening and ray probe are located on same axis, the diaphragm
Bottom is additionally provided with the regulating device for adjusting diaphragm opening diameter.
In the adjustable X-ray detection system of the amount of radiation, the diaphragm includes outer housing and inner housing, the shell
Setting one has the annulus of mounting groove between body and inner housing, is provided with several blades being hinged, institute in the mounting groove
That states several blades being hinged is centrally formed the adjustable diaphragm opening of a diameter.
In the adjustable X-ray detection system of the amount of radiation, the regulating device includes regulation handle and the adjusting
The outside of the shaft of handle connection and the gear coaxially connected with the shaft, the blade has gear ring, the gear
It is engaged with the gear ring.
In the adjustable X-ray detection system of the amount of radiation, it is additionally provided on the annulus for installing the blade
Fixing piece.
In the adjustable X-ray detection system of the amount of radiation, the blade is single layer blade, twi-tier blade or multilayer leaf
Piece.
In the adjustable X-ray detection system of the amount of radiation, the outer surface of the regulation handle is arranged with Non-slip material.
In the adjustable X-ray detection system of the amount of radiation, the quantity of the blade is at least three pieces, the fixing piece
Quantity it is identical as the quantity of the blade.
In the adjustable X-ray detection system of the amount of radiation, the fixing piece is screw.
In the adjustable X-ray detection system of the amount of radiation, the Non-slip material is rubber pad.
In the adjustable X-ray detection system of the amount of radiation, the shape of the light-emitting window is rectangle, circle or ellipse
Shape.
Compared to the prior art, the adjustable X-ray detection system of amount of radiation provided by the utility model includes along optical path side
To radiographic source cavity, diaphragm and the detector set gradually, light-emitting window is provided on the radiographic source cavity, the detector
Front end is provided with ray probe, and the diaphragm is open with adjustable diaphragm, and the light-emitting window, diaphragm opening are popped one's head in ray
On same axis, the bottom of the diaphragm is additionally provided with the regulating device for adjusting diaphragm opening diameter.By penetrating
The adjustable diaphragm of setting opening, so that the amount of radiation of X-ray is in controllable state, and can lead at the light-emitting window of line source cavity
The exit direction for crossing diaphragm control X-ray, avoided high-intensitive X-ray defective detector, improved the peace of X-ray detection system
Quan Xing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the adjustable X-ray detection system of amount of radiation provided by the utility model；
Fig. 2 is the positive structure schematic of diaphragm in the adjustable X-ray detection system of amount of radiation provided by the utility model；
Fig. 3 is the schematic perspective view of diaphragm in the adjustable X-ray detection system of amount of radiation provided by the utility model.
Specific embodiment
The adjustable X-ray detection system of a kind of amount of radiation provided by the utility model, by going out light in radiographic source cavity
The adjustable diaphragm of setting opening at mouthful so that the amount of radiation of X-ray is in controllable state, and can control X by diaphragm and penetrate
The exit direction of line avoided high-intensitive X-ray defective detector, improved the safety of X-ray detection system.
To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only practical to explain
It is novel, it is not used to limit the utility model.
Referring to Fig. 1, the adjustable X-ray detection system of amount of radiation provided by the utility model include along optical path direction successively
Radiographic source cavity 1, diaphragm 2 and the detector 3 of setting, wherein be provided with light-emitting window 11, X-ray on the radiographic source cavity 1
(as indicated by the dashed arrow in fig. 1) it is emitted by the light-emitting window 11, the shape of the light-emitting window 11 is rectangle, circle or ellipse
Circle can specifically be selected according to actual needs, and the front end of the detector 3 is provided with ray probe 31, be penetrated by described
X-ray of 31 acquisition of line probe after diaphragm 2, particularly, the diaphragm 2 has adjustable diaphragm opening 21, the light
Door screen 2 bottom be additionally provided with for adjust diaphragm be open 21 diameters regulating device 22 described in light-emitting window 11, diaphragm opening 21 in
Ray probe 31 is located on same axis.
In X-ray detection system provided by the utility model, diaphragm opening 21 is adjusted by the regulating device 22
X-ray energy at size, only diaphragm opening 21 continues to be emitted at ray probe 31, and then realizes the amount of radiation tune of X-ray
Section, and can also realize that X-ray passes through the side of diaphragm 2 by the tilt angle that setting diaphragm is open between 21 and light-emitting window 11
To avoiding high-intensitive X-ray so that the amount of radiation of X-ray and the direction by diaphragm 2 are in controllable state
Defective detector 3 or the X-ray as caused by direction is uncontrollable are revealed, and the safety of X-ray detection system is effectively increased.
Specifically, referring to Figure 2 together and Fig. 3, the diaphragm 2 includes outer housing 23 and inner housing 24, the outer housing
Setting one has the annulus 25 of mounting groove between 23 and inner housing 24, is provided with several blades being hinged in the mounting groove
26, several blades 26 being hinged are centrally formed a diameter adjustable diaphragm opening 21, i.e., the described blade 26 it is outer
Side is located in the mounting groove, several blades 26 are hinged composition with cyclic structure, and the center of the cyclic structure is then straight
The adjustable diaphragm opening 21 of diameter, by changing the diameter of diaphragm opening 21 to change the radiation that X-ray passes through diaphragm 2
Amount, and then the intensity for the X-ray that detector 3 receives is adjusted, so that x-ray radiation is in adjustable state, improve spy
The flexibility of examining system.When it is implemented, aluminium alloy, copper or stainless steel material can be used in the outer housing 23 and inner housing 24
It is process, can specifically select according to actual needs.
Preferably, the fixing piece 27 for installing the blade 26, the fixing piece 27 are additionally provided on the annulus 25
Quantity it is consistent with the quantity of blade 26, in the present embodiment, 26 quantity of blade is at least three pieces, it is ensured that can form diameter can
The diaphragm opening 21 of tune, fixed screw can be used in the fixing piece 27.
Further, it is opened in the utility model by the way that the regulating device 22 of 2 bottom of diaphragm is arranged in adjust the diaphragm
The diameter of mouth 21, the regulating device 22 (are not shown including regulation handle 221, the shaft connecting with the regulation handle 221 in figure
The gear (not shown) coaxially connected out) and with the shaft, wherein the shaft and gear are arranged in mounting groove,
The outside of the blade 26 has the gear ring (not shown) with the gear matches, and the gear is nibbled with the gear ring
It closes, when adjusting the diameter of diaphragm opening 21, shaft rotation is driven by the regulation handle 221, and then rotate with moving gear,
Since gear is engaged with gear ring, gear ring rotation with the mobile size for realizing diaphragm opening 21 of movable vane piece 26 to change
Become, the big minor adjustment of diaphragm opening 21 can be realized in the position by simply controlling to adjust handle 221, and implementation is simple and convenient
And it is at low cost.It is process when it is implemented, aluminium alloy, copper or stainless steel material can be used in the regulation handle 221, specifically
It can select according to actual needs.
Accuracy when further, in order to ensure adjusting, the outer surface of the regulation handle 221 is also arranged with anti-skidding
Part 222, the size for the control diaphragm opening 21 for enabling operator accurate, stable when carrying out diaphragm opening 21 and adjusting, into
One step improves the accuracy of X-ray detection system amount of radiation adjusting, and in the present embodiment, the Non-slip material 222 uses rubber pad.
Further, in the adjustable X-ray detection system of amount of radiation provided by the utility model, the blade 26 is single
Layer blade 26, twi-tier blade 26 or multiple layers of vanes 26, can effectively block X-ray, shape, size and the thickness of every blade 26
It is identical, it is ensured that the stability that all blades 26 are installed, wherein lead, metal or multi-layer composite materials can be used in the blade 26
Material, can specifically select according to actual needs.
In conclusion the adjustable X-ray detection system of amount of radiation provided by the utility model include along optical path direction successively
Radiographic source cavity, diaphragm and the detector of setting are provided with light-emitting window on the radiographic source cavity, and the front end of the detector is set
It is equipped with ray probe, the diaphragm is open with adjustable diaphragm, and the light-emitting window, diaphragm opening are located at same with ray probe
On one axis, the bottom of the diaphragm is additionally provided with the regulating device for adjusting diaphragm opening diameter.By in ray source chamber
The adjustable diaphragm of setting opening, so that the amount of radiation of X-ray is in controllable state, and can pass through diaphragm at the light-emitting window of body
The exit direction for controlling X-ray avoided high-intensitive X-ray defective detector, improved the safety of X-ray detection system.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (10)
1. a kind of adjustable X-ray detection system of amount of radiation, which is characterized in that including the radiographic source set gradually along optical path direction
Cavity, diaphragm and detector, light-emitting window is provided on the radiographic source cavity, and the front end of the detector is provided with ray spy
Head, the diaphragm are open with adjustable diaphragm, and the light-emitting window, diaphragm opening and ray probe are located on same axis,
The bottom of the diaphragm is additionally provided with the regulating device for adjusting diaphragm opening diameter.
2. the adjustable X-ray detection system of amount of radiation according to claim 1, which is characterized in that the diaphragm includes outer
Shell and inner housing are arranged an annulus with mounting groove, are provided in the mounting groove between the outer housing and inner housing
Several blades being hinged, several blades being hinged are centrally formed the adjustable diaphragm opening of a diameter.
3. the adjustable X-ray detection system of amount of radiation according to claim 2, which is characterized in that the regulating device packet
Include regulation handle, the shaft connecting with the regulation handle and the gear coaxially connected with the shaft, the blade it is outer
Side has gear ring, and the gear is engaged with the gear ring.
4. the adjustable X-ray detection system of amount of radiation according to claim 2, which is characterized in that also set on the annulus
It is equipped with the fixing piece for installing the blade.
5. the adjustable X-ray detection system of amount of radiation according to claim 2, which is characterized in that the blade is single layer
Blade, twi-tier blade or multiple layers of vanes.
6. the adjustable X-ray detection system of amount of radiation according to claim 3, which is characterized in that the regulation handle
Outer surface is arranged with Non-slip material.
7. the adjustable X-ray detection system of amount of radiation according to claim 4, which is characterized in that the quantity of the blade
At least three pieces, the quantity of the fixing piece are identical as the quantity of the blade.
8. the adjustable X-ray detection system of amount of radiation according to claim 4, which is characterized in that the fixing piece is spiral shell
Silk.
9. the adjustable X-ray detection system of amount of radiation according to claim 6, which is characterized in that the Non-slip material is rubber
Rubber mat.
10. the adjustable X-ray detection system of amount of radiation described in -9 any one according to claim 1, which is characterized in that described
The shape of light-emitting window is rectangle, circle or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820526889.0U CN208421260U (en) | 2018-04-13 | 2018-04-13 | A kind of adjustable X-ray detection system of amount of radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820526889.0U CN208421260U (en) | 2018-04-13 | 2018-04-13 | A kind of adjustable X-ray detection system of amount of radiation |
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| Publication Number | Publication Date |
|---|---|
| CN208421260U true CN208421260U (en) | 2019-01-22 |
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| CN201820526889.0U Active CN208421260U (en) | 2018-04-13 | 2018-04-13 | A kind of adjustable X-ray detection system of amount of radiation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761549A (en) * | 2018-04-13 | 2018-11-06 | 深圳市日联科技有限公司 | A kind of adjustable X-ray detection system of amount of radiation |
-
2018
- 2018-04-13 CN CN201820526889.0U patent/CN208421260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761549A (en) * | 2018-04-13 | 2018-11-06 | 深圳市日联科技有限公司 | A kind of adjustable X-ray detection system of amount of radiation |
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