CN210376188U - Detection device for detecting radiation dose of article - Google Patents
Detection device for detecting radiation dose of article Download PDFInfo
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- CN210376188U CN210376188U CN201920990455.0U CN201920990455U CN210376188U CN 210376188 U CN210376188 U CN 210376188U CN 201920990455 U CN201920990455 U CN 201920990455U CN 210376188 U CN210376188 U CN 210376188U
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Abstract
The utility model relates to a detection device for detecting article radiation dose, include: the detector comprises a shell, a ray emitter positioned at the top of the shell and a detector bin body positioned at the bottom of the shell; when the object to be measured is placed in the detector bin body, the ray emitter can irradiate the object to be measured so that the detector bin body receives ray beams passing through the object to be measured. Through the arrangement of the shell, the ray emitted by the ray emitter is well shielded; through the setting of ray emitter, can realize the effect of shining of X ray, through the setting through the detector storehouse body, form the receiving part, the realization that can be fine passes the receipt of the bundle of rays of measured object article to realize the effect that detects.
Description
Technical Field
The utility model relates to an irradiation processing field relates to a detection device for be used for detecting article radiation dose especially.
Background
The irradiation processing utilizes physical effect, chemical effect and biological effect of electron beam on matter to reach preset target effect, and may be used in food preservation, disinfection and sterilization of health article, disinfection and sterilization of packing material, disinfection and sterilization of cosmetics, etc.
In the field of irradiation processing, the types of the oriented goods are many, the size range of the goods package is wide, and the precise control of the irradiation dose of the goods is difficult to realize.
The current method used at home and abroad is to carry out product box opening analysis and dosimeter distribution measurement, and the method has low efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: a detection device capable of detecting a radiation dose of an article is provided.
The utility model provides a technical scheme that its technical problem adopted is: a detection apparatus for detecting a radiation dose to an article, comprising: the detector comprises a shell, a ray emitter positioned at the top of the shell and a detector bin body positioned at the bottom of the shell; wherein
When the object to be measured is placed in the detector bin body, the ray emitter can irradiate the object to be measured so that the detector bin body receives the ray beam passing through the object to be measured.
Preferably, the detector cartridge body comprises a horizontal detector set and two angle detector sets arranged in a mirror image with respect to the horizontal detector set, an
The included angle between the angle detector group and the horizontal detector group is α, which satisfies that α is more than or equal to 45 degrees and less than 180 degrees, wherein
The object to be measured can be placed above the horizontal detector group and between the two angle detector groups.
Preferably, the included angle α is 90 °.
Preferably, the ray beam central line of the ray emitter is coincident with the central line of the horizontal detector group.
Preferably, the vertical distance from the ray emitter to the center of the angle detector group is M;
the vertical distance between the center of the angle detector group and the upper surface of the horizontal detector group is N;
the ratio of M to N is 1/2-15.
Preferably, the value of M is 0.5M to 1.5M;
the value of N is 0.1m to 1 m.
Preferably, the detection device for detecting the radiation dose of the articles further comprises a conveyer belt;
the conveying belt is positioned on the upper end face of the horizontal detector group; wherein
An object to be tested is placed on the conveyor belt and can be conveyed by the conveyor belt and through the detector cartridge body.
Preferably, the radiation emitter is located at the very center of the top of the housing.
Preferably, the bottom of the shell is in threaded connection with a plurality of feet, and the heights of the feet can be adjusted
The utility model discloses a this kind of a detection device for detecting article radiation dose beneficial effect is:
1. through the arrangement of the shell, the ray emitted by the ray emitter is well shielded;
2. through the setting of ray emitter, can realize the effect of shining of X ray, through the setting through the detector storehouse body, form the receiving part, the realization that can be fine passes the receipt of the bundle of rays of measured object article to realize the effect that detects.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a detecting device for detecting radiation dose of an article according to the present invention;
fig. 2 is a schematic structural diagram of the utility model, which is used for detecting the radiation dose of the object, and the dose distribution of the object to be detected is detected by the detecting device.
In the figure: the device comprises a ray emitter 10, a ray beam 11, a shell 20, an opening 21, a detector bin body 30, an angle detector group 31, a horizontal detector group 32, a conveying belt 40, an imaging device 50, a light barrier 61, a controller 62 and an object to be measured 70.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in FIGS. 1-2,
a detection apparatus for detecting a radiation dose to an article, comprising: the detector comprises a shell 20, a ray emitter 10 positioned at the top of the shell 20 and a detector bin body 30 positioned at the bottom of the shell 20; wherein
When the object to be measured 70 is placed in the detector cartridge body 30, the ray emitter 10 can irradiate the object to be measured 70 so that the detector cartridge body 30 receives the ray beam 11 passing through the object to be measured 70.
Wherein, an opening 21 is provided on the shell 20, the detector is hidden with a ray bundle 11 which can receive the ray emitted by the ray emitter 10 and penetrate through the object 70 to be detected and generate a detection signal, and the shell 20 is a frame structure composed of sheet metal parts or steel plates.
In this embodiment, the bottom of the housing 20 is connected with a plurality of feet through threads, and the heights of the feet are adjustable. The lower margin is liftable lower margin, can adjust casing 20's relative height, and then adjusts this detection device's relative height, makes this detection device's highly satisfy multiple requirement. Specifically, be provided with more than two pilot lamps at the surface of casing 20, be qualified pilot lamp and unqualified pilot lamp respectively, wherein the colour of pilot lamp can be selected according to user's needs, whether can make the inside dose distribution condition of operator's quick identification article qualified through setting up the pilot lamp, when the device that detects the radiation dose distribution of article detects the inside degree of consistency of article qualified, the qualified pilot lamp that sets up at casing 20 surface shines, otherwise unqualified pilot lamp is bright. Simultaneously, for the safe operation of the device that further guarantee carries out the detection to the radiation dose distribution of article, be provided with the scram switch at the surface of casing 20, in order to increase the utility model discloses carry out the stability and the security of the device that detects to the radiation dose distribution of article.
Through the arrangement of the shell 20, a good shielding effect on the rays emitted in the ray emitter 10 is achieved; through the setting of ray emitter 10, can realize the effect of shining of X ray, through the setting through the detector storehouse body 30, form the receiving part, the realization that can be fine passes the receipt of bundle of rays 11 of testee 70 to the effect that realizes detecting.
In the present embodiment, the detector cartridge body 30 includes a horizontal detector array 32 and two angle detector arrays 31 arranged in mirror image with respect to the horizontal detector array 32, and the angle between the angle detector arrays 31 and the horizontal detector array 32 is α such that 45 ° ≦ α < 180 °, wherein an item of interest 70 can be placed between the two angle detector arrays 31 on the horizontal detector array 32.
Preferably, the included angle α is 90 °, and the two angle detector sets 31 and the horizontal detector set 32 together form the concave detector bin 30, so that the detector bin 30 can receive the ray bundle 11 transmitted through the object 70 to be detected, thereby improving the accuracy of detecting the distribution of the object by the device for detecting the radiation dose distribution of the object.
In the present embodiment, the central line of the ray bundle 11 of the ray emitter 10 coincides with the central line of the horizontal detector group 32. At this time, the ray emitter 10 is disposed right above the horizontal detector set 32, and the angle detector sets 31 are symmetrically disposed about the horizontal detector set 32, so that the two angle detector sets 31 can synchronously and cooperatively receive the ray bundle 11 emitted by the ray emitter 10.
The X-ray emitter 10 is an X-ray emitter 10 capable of emitting rays of various energy levels, and the X-ray emitter 10 is a fully-sealed oil-cooled box body containing a high-voltage generator and an X-ray tube. The X-ray emitter 10 can emit a first ray bundle 11 with a first energy and a second ray bundle 11 with a second energy, the first ray bundle 11 and the second ray bundle 11 jointly transmit through the object to be tested 70, optionally, the first ray bundle 11 is a high-energy X-ray bundle 11, the second ray bundle 11 is a low-energy X-ray bundle 11, wherein the ray emitter 10 is arranged on the top of the housing 20 and is opposite to the horizontal detector group 32, so that the ray bundle 11 emitted by the ray emitter 10 can rapidly pass through the object to be tested and the noise influence among the ray bundles 11 can be reduced. Wherein, directly opposite means that the ray emitter 10 is arranged on the vertical center line of the horizontal detector group 32.
As shown in fig. 2, the vertical distance from the ray emitter 10 to the center of the angle detector set 31 is M;
the vertical distance from the center of the angle detector group 31 to the upper surface of the horizontal detector group 32 is N; the ratio of M to N is 1/2-15.
Specifically, the value of M is 0.5M-1.5M; the value of N is 0.1m to 1 m.
Through the distance M between the central point of reasonable setting ray emitter 10 and angle detector group 31 in the direction of height and the distance N between the central point of angle detector group 31 in the direction of height and horizontal detector group 32 upper surface make the ray that ray emitter 10 sent more effectually pass measured object 70 and be received by the detector storehouse body 30, consequently, can avoid the unreasonable ray bundle 11 energy attenuation that leads to of detector storehouse body 30 distance more and can not pierce through measured object 70 or ray bundle 11 energy utilization low grade problem completely, and can make the detection device's of this application structure compacter reasonable. It can be understood that the values of M and N can be designed according to the user's needs, and the present invention does not limit the specific values.
The horizontal detector group 32 and the angle detector group 31 include a plurality of radiation detectors arranged adjacently in sequence, and optionally, the radiation detectors are dual-energy detectors, wherein the horizontal detector group 32 can be configured to receive the first radiation beam 11, and the angle detector group 31 can be configured to receive the second radiation beam 11. Wherein dual energy detector can effectively improve the efficiency that detector storehouse body 30 received bundle of rays 11, further improves the degree of accuracy that the device that detects the radiation dose distribution of article detected article dose distribution degree of consistency.
In this embodiment, the detecting device for detecting the radiation dose of the article further includes a conveyor belt 40; the conveying belt 40 is positioned on the upper end surface of the horizontal detector group 32; wherein an item of test 70 is placed on the conveyor belt 40 and can be conveyed by the conveyor belt 40 and through the detector cartridge body 30. The conveying belt 40 extends towards the inside of the accommodating space and away from the accommodating space from the opening 21 of the housing 20, and the object to be measured 70 is driven by the conveying belt 40 to automatically enter the accommodating space from the opening 21 and be transmitted by the ray bundle 11.
In this embodiment, the radiation emitter 10 is located at the very center of the top of the housing 20. At this time, the ray bundle 11 emitted by the ray emitter 10 is uniformly irradiated in the accommodating space of the housing 20, so that the ray bundle 11 can scan the channel in the whole housing 20, and the blind area generated by the ray bundle 11 emitted by the ray emitter 10 is reduced.
The device that detects is carried out radiation dose distribution to article further includes electric control device, sets up in accommodation space, and electric control device includes controller 62, the utility model discloses in, controller 62 comprises high pressure and pipe current control circuit and intermediate frequency isolation power supply, and controller 62 is used for controlling ray emitter 10 transmission bundle of rays 11.
The electric control device further comprises at least two light barriers 61, wherein the at least two light barriers 61 are oppositely arranged on two sides of the opening 21 so as to detect the object to be measured 70 input from the opening 21; alternatively, the number of the at least two light barriers 61 is two, and the at least two light barriers 61 are respectively disposed on two sides of the opening 21 of the housing 20, wherein one light barrier 61 emits light, and the other light barrier 61 is disposed opposite to the other light barrier 61 for receiving the light emitted from the one light barrier 61. The light barrier 61 is connected to the controller 62, the light barrier 61 can sense the object 70 to be measured and send a sensing signal to the controller 62, and the controller 62 controls the radiation emitter 10 according to the sensing signal. Specifically, when the object 70 to be measured passes through the opening 21 of the housing 20, the object 70 to be measured blocks the light emitted from one of the light barriers 61, so that the other light barrier 61 cannot receive the light signal, and at this time, the light barrier 61 sends a sensing signal to the controller 62 to sense the passing of the object to be measured.
Further, the utility model discloses an electric device still includes the power control box, and the power control box provides required electric energy for whole device that detects to the radiation dose distribution of article to the realization is controlled the running direction, the running speed of conveyer belt 40, thereby adjusts the direction and the speed that measured object 70 passes through ray emitter 10 and the detector storehouse body 30.
The utility model discloses a device that detects is carried out radiation dose distribution of article further includes imaging device 50, sets up at the 20 surfaces of casing, and imaging device 50 can discern the article dose distribution image of the 70 dose distribution degrees of consistency of corresponding measured object article according to the detection signal generation. The operator can view the imaging device 50 in real time and identify the uniformity of the dose distribution of the corresponding object 70 via the dose distribution image of the object displayed on the imaging device 50. The imaging device 50 includes a display device embedded in the outer surface of the housing 20, and optionally, the imaging device 50 is a touch screen, so that an operator can perform operations on the imaging device 50, such as zooming in or zooming out a dose distribution image of an object on the imaging device 50. Optionally, auxiliary components, such as a mouse and a keyboard, are further disposed on the housing 20, and an operation component is connected to the imaging device 50, so that an operator can adjust the dose distribution image of the object on the imaging device 50 by operating the auxiliary components.
On the other hand, the device for detecting the radiation dose distribution of the article further comprises a verifying device, the verifying device can verify the article dose distribution image on the imaging device 50, control and record the device running state for detecting the radiation dose distribution of the article, and meanwhile, the device has a corresponding data management function. The imaging device 50 performs corresponding preprocessing on the received digital signals and generates an article dose distribution image, and displays the article dose distribution image on the imaging device 50. It will be appreciated that the article dose distribution image is a black and white or color image.
The working principle of the device for detecting the radiation dose distribution of an article according to the present invention will be described in detail below.
The object to be measured 70 is placed on the conveyor belt 40, the object to be measured 70 moves synchronously with the conveyor belt 40, when the object to be measured 70 passes through the light barriers 61 arranged on both sides of the opening 21 of the housing 20, the light barriers 61 send out sensing signals to the controller 62, and the controller 62 controls the ray emitter 10 to emit ray beams 11 according to the sensing signals. When the object moves to the area of the ray bundle 11, the ray bundle 11 penetrates through the object to be measured 70 and is received by the detector bin 30, along with the continuous uniform movement of the object, the ray bundle 11 is projected through the object to be measured 70 at a uniform speed, when the object to be measured 70 completely passes through the area of the ray bundle 11, the detector bin 30 receives all the ray bundles 11 penetrating through the object to be measured 70, and at the moment, the detection of the dose distribution of the object to be measured 70 is completed.
The detector bin 30 receives the ray bundle 11 penetrating through the object 70 to generate a detection signal, and sends the detection signal to the imaging device 50, and the imaging device 50 receives the detection signal and processes the detection signal to generate a dose distribution image of the object 70.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A detector for detecting radiation dose to an article, comprising: the detector comprises a shell, a ray emitter positioned at the top of the shell and a detector bin body positioned at the bottom of the shell; wherein
When the object to be measured is placed in the detector bin body, the ray emitter can irradiate the object to be measured so that the detector bin body receives the ray beam passing through the object to be measured.
2. The detecting device for detecting the radiation dose of an article according to claim 1,
the detector bin includes a horizontal detector set and two angle detector sets arranged in mirror image with respect to the horizontal detector set, an
The included angle between the angle detector group and the horizontal detector group is α, which satisfies that α is more than or equal to 45 degrees and less than 180 degrees, wherein
The object to be measured can be placed above the horizontal detector group and between the two angle detector groups.
3. The detecting device for detecting the radiation dose of an article according to claim 2,
the included angle α is 90 °.
4. The detecting device for detecting the radiation dose of an article according to claim 2,
the ray beam center line of the ray emitter is coincident with the center line of the horizontal detector group.
5. The detecting device for detecting the radiation dose of an article according to claim 2,
the vertical distance from the ray emitter to the center of the angle detector group is M;
the vertical distance between the center of the angle detector group and the upper surface of the horizontal detector group is N;
the ratio of M to N is 1/2-15.
6. The detecting device for detecting the radiation dose of an article according to claim 5,
the value of M is 0.5M-1.5M;
the value of N is 0.1m to 1 m.
7. The detecting device for detecting the radiation dose of an article according to claim 2,
the detection device for detecting the radiation dose of the articles further comprises a conveying belt;
the conveying belt is positioned on the upper end face of the horizontal detector group; wherein
An object to be tested is placed on the conveyor belt and can be conveyed by the conveyor belt and through the detector cartridge body.
8. The detecting device for detecting the radiation dose of an article according to claim 2,
the ray emitter is located at the very center of the top of the shell.
9. The detecting device for detecting the radiation dose of an object according to any one of claims 1 to 8,
the bottom of the shell is in threaded connection with a plurality of feet, and the heights of the feet can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990455.0U CN210376188U (en) | 2019-06-27 | 2019-06-27 | Detection device for detecting radiation dose of article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990455.0U CN210376188U (en) | 2019-06-27 | 2019-06-27 | Detection device for detecting radiation dose of article |
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| Publication Number | Publication Date |
|---|---|
| CN210376188U true CN210376188U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920990455.0U Active CN210376188U (en) | 2019-06-27 | 2019-06-27 | Detection device for detecting radiation dose of article |
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| CN (1) | CN210376188U (en) |
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- 2019-06-27 CN CN201920990455.0U patent/CN210376188U/en active Active
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Address after: 213000 No. 1036, CHENFENG Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Tongwei Xinda Technology (Jiangsu) Co.,Ltd. Address before: 213000 No. 1036, CHENFENG Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: Jiangsu Tongwei Xinda Technology Co.,Ltd. |