CN218274005U - Radioactive source shielding device - Google Patents
Radioactive source shielding device Download PDFInfo
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- CN218274005U CN218274005U CN202222319512.7U CN202222319512U CN218274005U CN 218274005 U CN218274005 U CN 218274005U CN 202222319512 U CN202222319512 U CN 202222319512U CN 218274005 U CN218274005 U CN 218274005U
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Abstract
The application discloses a radioactive source shielding device. The radioactive source shielding device comprises a first shell and a second shell, wherein the first shell is provided with a first opening; the second shell is movably connected with the first shell; the bearing part is arranged in the first shell; the driving structure is connected with the first shell and/or the second shell; the driving structure can drive the first shell and the second shell to move relatively and open or close the first opening. According to the embodiment of the application, the first shell and the second shell are driven to move relatively through the driving structure, when the radiation source device is used, the first opening is opened, and the radiation source in the first shell releases radiation to the outside of the first shell through the first opening; when not using, close first opening, shield the radioactive source, make the radioactive source unable to the radiation of releasing outside first casing, at this in-process, can effectively reduce test personnel and radioactive source and take place the contact to reduce the health damage that the radioactive source caused to test personnel, promote the security of radioactive substance detection equipment's measurement.
Description
Technical Field
The application belongs to the technical field of radiation shielding, and particularly relates to a radioactive source shielding device.
Background
In order to detect the measurement accuracy of the radioactive substance detection equipment, the performance of the radioactive substance detection equipment needs to be tested. When the performance of the radioactive substance detection equipment is tested, the radioactive substance with standard measurement is used as a radioactive source, and the radioactive substance detection equipment is placed in a radiation environment to complete the test.
To protect the health of the test person, the radioactive source is typically placed in a shielding device and removed only when in use. At present, in the process of testing the performance of the radioactive substance detection equipment, a tester usually takes out the radioactive source from the shielding device, so that the radioactive source is changed from a shielded state to an exposed state to generate radiation outwards, and after the test is finished, the radioactive source is manually put back into the shielding device, thereby bringing potential risks to the health of the tester.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a radioactive source shielding device, with the in-process that the radioactive source changes between shielding state and exposure state, can reduce the contact of tester and radioactive source to reduce the health damage that the radioactive source caused to the tester.
The embodiment of the application provides a radioactive source shielding device, includes: a first housing having a first opening; the second shell is movably connected with the first shell; the bearing part is arranged in the first shell; the driving structure is connected with the first shell and/or the second shell; the driving structure can drive the first shell and the second shell to move relatively and open or close the first opening.
Optionally, the first housing is rotatably connected to the second housing, and the second housing moves along the circumferential direction of the first housing and opens or closes the first opening.
Optionally, the first housing includes a first plate, a second plate and a first sidewall, the first plate and the second plate are disposed opposite to each other, and the first sidewall is connected between the first plate and the second plate; the first opening is arranged on the first plate or the first side wall; the second shell is arranged on the outer side of the first shell and can cover and close the first opening or avoid to open the first opening.
Optionally, the second housing includes a third plate, a fourth plate and a second side wall, the third plate and the fourth plate are disposed opposite to each other, and the second side wall is connected between the third plate and the fourth plate; the third plate is arranged on one side of the first plate far away from the second plate, the third plate is rotatably connected with the first plate, the fourth plate is arranged on one side of the second plate far away from the first plate, and the fourth plate is rotatably connected with the second plate; the second side wall is arranged at the outer side of the first side wall; the third plate or the second side wall is provided with a second opening, the second shell can rotate relative to the first shell until the second opening is correspondingly communicated with the first opening so as to open the first opening, and the second shell can rotate relative to the first shell until the area of the second shell except the second opening corresponds to the first opening so as to close the first opening.
Optionally, the second housing is located outside the first housing and can cover the first opening, and the driving structure drives the second housing to move linearly relative to the first housing to open or close the first opening.
Optionally, the first shell is a closed box structure, the first opening is formed in a side surface of the first shell, and the second shell covers the first opening; the bearing part is positioned in the first shell, the driving structure comprises a first driver at least partially arranged in the first shell, the bearing part is connected with the first driver, and the first driver can drive the bearing part to reciprocate between the outside of the first shell and the inside of the first shell through the first opening.
Optionally, the second housing is connected to the first actuator.
Optionally, the radioactive source shielding device further includes a support, the support is disposed inside the first housing and connected to the first driver, the supporting portion and the second housing are mounted on the support, and the first driver can drive the support to drive the supporting portion and the second housing to reciprocate.
Optionally, the driving structure further includes a second driver, the second driver is disposed outside the first housing, and the second housing is connected to the second driver; the second driver can drive the second shell to cover and close the first opening or drive the second shell to be separated from the first opening so as to open the first opening.
Optionally, the second housing has a second opening, the second driver can drive the second opening of the second housing to communicate with the first opening and open the first opening, and the second driver can cover and close the first opening in a region of the second housing except the second opening.
According to the radioactive source shielding device, the first shell and the second shell are driven to move relatively through the driving structure so as to open or close the first opening, when the radioactive source shielding device is used, the first opening is opened, and the radioactive source in the first shell releases radiation to the outside of the first shell through the first opening; when not using, close first opening, shield the radiation source, make the radiation source unable normal release radiation outside first casing, at this in-process, can effectively reduce tester and radiation source and take place the contact to reduce the health harm that the radiation source caused to tester, promote radioactive substance detection equipment's measuring security.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be briefly described below, and for those skilled in the art, other drawings may be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a first radiation source shielding device provided herein;
FIG. 2 is a schematic cross-sectional view of a second radiation source-shielding device provided herein;
FIG. 3 is a schematic cross-sectional view of a third radiation source shielding device provided herein;
FIG. 4 is a schematic cross-sectional view of a fourth radiation source shielding apparatus provided herein;
fig. 5 is a schematic cross-sectional view of a fifth radiation source shielding apparatus provided in the present application.
Description of reference numerals:
1. a first housing; 11. a first opening; 12. a first plate; 13. a second plate; 14. a first side wall; 2. a second housing; 21. a second opening; 22. a third plate; 23. a fourth plate; 24. a second side wall; 3. a bearing part; 4. a drive structure; 41. a first driver; 42. a second driver; 5. and (3) a bracket.
Detailed Description
Features of various aspects and exemplary embodiments of the present application will be described in detail below, and in order to make objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative only and are not intended to be limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" comprises 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Referring to fig. 1, an embodiment of the present application provides a radioactive source shielding device, which includes a first housing 1, a second housing 2, a supporting portion 3 and a driving structure 4, where the first housing 1 is movably connected to the second housing 2, the supporting portion 3 is located in the first housing 1, a radioactive source is supported by the supporting portion 3, the first housing 1 has a first opening 11, the driving structure 4 is connected to the first housing 1 and/or the second housing 2, and the driving structure 4 can drive the first housing 1 and the second housing 2 to move relatively and open or close the first opening 11.
Wherein, the first shell 1 and the second shell 2 are both made of radiation shielding materials. When the radioactive source is a gamma radioactive source, lead can be selected as the radiation shielding material. When the radioactive source is a neutron radioactive source, the radiation shielding material can be selected from polyethylene.
Optionally, the supporting portion 3 is connected to the driving mechanism 4, and in a state that the driving mechanism 4 drives the second housing 2 to move relative to the first housing 1 so as to open the first opening 11, at least a portion of the supporting portion 3 extends from the first opening 11 to the outside of the first housing 1, so that the radioactive source is at least partially exposed to the outside of the first housing 1, so as to ensure that the radioactive source can release radiation with sufficient intensity to the outside of the first housing 1.
In some examples, as shown in fig. 1, the first housing 1 is rotationally connected to the second housing 2, and the second housing 2 moves along the circumferential direction of the first housing 1 to open or close the first opening 11.
Optionally, the first casing 1 includes a first plate 12, a second plate 13, and a first side wall 14, the first plate 12 and the second plate 13 are disposed opposite to each other, the first side wall 14 is connected between the first plate 12 and the second plate 13, and the first opening 11 is opened in the first plate 12 or the first side wall 14. The second housing 2 is disposed outside the first housing 1, and the second housing 2 can cover and close the first opening 11 or avoid opening the first opening 11. In the process that the driving structure 4 drives the first casing 1 and the second casing 2 to rotate relatively, when the second casing 2 covers the first opening 11, the first opening 11 is closed by the second casing 2, and when the second casing 2 avoids the first opening 11, the first opening 11 is opened, and the radioactive source is exposed to the outside of the first casing 1 through the first opening 11, that is, the radiation is released to the outside of the first casing 1 through the first opening 11.
Optionally, the position of the second housing 2 disposed at the first opening 11 is a solid, the driving structure 4 drives the first housing 1 and the second housing 2 to rotate relatively, so that in the process that the second housing 2 moves along the circumferential direction of the first housing 1, the second housing 2 can cover the outer side of the first opening 11 to close the first opening 11, and the radioactive source is completely shielded by the cooperation of the first housing 1 and the second housing 2; moreover, the second housing 2 can also avoid the first opening 11 to open the first opening 11, so that the radioactive source can generate radiation outwards through the first opening 11.
Optionally, as shown in fig. 1 and fig. 2, the second housing 2 is provided with a second opening 21, the driving structure 4 drives the first housing 1 and the second housing 2 to rotate relatively, so that in the process that the second housing 2 rotates along the circumferential direction of the first housing 1, the second housing 2 can rotate to a region of the second housing 2 except the second opening 21 and correspond to the first opening 11, so as to close the first opening 11, and the radioactive source is completely shielded by the cooperation between the first housing 1 and the second housing 2; and, the second casing 2 rotates relative to the first casing 1 until the second opening 21 is correspondingly communicated with the first opening 11 to open the first opening 11, so that the radioactive source generates radiation outwards through the first opening 11 and the second opening 21.
Illustratively, the second housing 2 includes a second side wall 24, a third plate 22 and a fourth plate 23, the third plate 22 and the fourth plate 23 being disposed opposite each other, and the second side wall 24 being connected between the third plate 22 and the fourth plate 23. The third plate 22 is arranged on the side of the first plate 12 far away from the second plate 13, the third plate 22 is rotatably connected with the first plate 12, the fourth plate 23 is arranged on the side of the second plate 13 far away from the first plate 12, the fourth plate 23 is rotatably connected with the second plate 13, and the second side wall 24 is arranged outside the first side wall 14.
The second opening 21 is opened in the third plate 22 or the second side wall 24, and the opening position of the second opening 21 depends on the opening position of the first opening 11. In fig. 1, the first opening 11 opens into the first plate 12, and the second opening 21 opens into the third plate 22. In fig. 2, the first opening 11 is opened in the first side wall 14 of the first housing 1, and the second opening 21 is opened in the second side wall 24 of the second housing 2.
Optionally, the driving structure 4 is a motor or an assembly of the motor and a speed reducer, and has an output shaft for outputting rotational motion, the output shaft is connected to the first casing 1 or the second casing 2, and the output shaft can drive the first casing 1 and the second casing 2 to rotate relatively.
Illustratively, the driving structure 4 is connected to the fourth plate 23 of the second housing 2, and the output shaft of the driving structure 4 is rotatably connected to the fourth plate 23 and fixedly connected to the second plate 13.
Optionally, the cross-sections of the first side wall 14 and the second side wall 24 are circular arc, circular ring or square.
In other examples, at least a portion of the second housing 2 can cover the first opening 11, and the driving structure 4 drives the second housing 2 to move linearly relative to the first housing 1 to open or close the first opening 11.
Optionally, as shown in fig. 3, the first casing 1 is a closed box structure, the first opening 11 is opened on a side surface of the first casing 1, and the second casing 2 covers the first opening 11. The driving structure 4 includes a first driver 41, at least a portion of the first driver 41 and the supporting portion 3 are both located in the first housing 1, the supporting portion 3 is connected to the first driver 41, and the first driver 41 can drive the supporting portion to move reciprocally between the outside of the first housing 1 and the inside of the first housing 1 through the first opening 11. When the first driver 41 drives the receiving portion to move from the first opening 11 to the outside of the first housing 1, the second housing 2 is jacked up, the first opening 11 is opened, and the radioactive source moves along with the receiving portion to the outside of the first housing 1 to release radiation to the outside. When the first driver 41 drives the receptacle to move from the first opening 11 to the interior of the first housing 1, the second housing 2 covers the first opening 11, the first opening 11 is closed, and the first housing 1 and the second housing 2 cooperate to shield the radioactive source.
Optionally, the second housing 2 is connected to the first driver 41, the first driver 41 drives the second housing 2 and the supporting portion 3 to move synchronously, and the radioactive source is moved back and forth between the outside of the first housing 1 and the inside of the first housing 1 through the driving structure 4, so that the second housing 2 is separated from or covers the first opening 11 synchronously.
The first actuator 41 may be a telescopic reciprocating actuator, such as a pneumatic cylinder, or a linear actuator, such as a linear die set. The first driver 41 may be disposed entirely in the first housing 1, or a part of the transmission structure may be disposed in the first housing 1, so as to reduce the space occupied by the first driver 41 in the first housing 1.
Optionally, the radiation source shielding device further includes a support 5, the support 5 is located in the first housing 1 and connected to the first driver 41, the support portion 3 and the second housing 2 are mounted on the support 5, and the first driver 41 can drive the support 5 to drive the support portion 3 and the second housing 2 to reciprocate.
Optionally, the first opening 11 is opened in the first plate 12, the first plate 12 is hinged to the first sidewall 14 through a hinge, and the first plate 12 is turned over to cover one end of the first sidewall 14. In the process of taking and placing the radioactive source or disassembling and assembling the driving structure 4, the first plate 12 can be turned over and opened, so that enough space is obtained for operation, and the operation difficulty is reduced.
Optionally, as shown in fig. 4, the driving structure 4 further includes a second driver 42, the second driver 42 is disposed outside the first casing 1, the second casing 2 is connected to the second driver 42, and the second driver 42 can drive the second casing 2 to cover and close the first opening 11, or drive the second casing 2 to separate from the first opening 11 to open the first opening 11.
Illustratively, the second housing 2 is a solid structure, the second housing 2 covers the first opening 11, and when the second housing 2 covers the first opening 11 and the second driver 42 drives the second housing 2 to translate relative to the first housing 1, the first opening 11 is in a closed state; when the second housing 2 is moved to be unable to cover the first opening 11, the first opening 11 is in an open state. At this time, the second driver 42 is in contact with the first casing 1 and the second casing 2 to drive the first casing 1 to move linearly relative to the second casing 2.
Alternatively, as shown in fig. 5, the second casing 2 is provided with a second opening 21, the second driver 42 can drive the second opening 21 of the second casing 2 to communicate with the first opening 11 and open the first opening 11, and the second driver 42 can drive the area of the second casing 2 except for the second opening 21 to cover and close the first opening 11. In the process that the second shell 2 is driven by the second driver 42 to move linearly relative to the first shell 1, the second opening 21 is communicated with the first opening 11 to open the first opening 11, and a radiation signal emitted by the radiation source can pass through the first opening 11 and the second opening 21 and is released to the outside; the second opening 21 is offset from the first opening 11, so that the solid part of the second housing 2 except the second opening 21 covers the first opening 11 to close the first opening 11, and the radioactive source is shielded by the first housing 1 and the second housing 2.
Alternatively, a first driver 41 and a second driver 42 may be used in combination, the first driver 41 being responsible for reciprocating the radiation source from the first opening 11 between the outside of the first housing 1 and the inside of the first housing 1, and the second driver 42 being responsible for opening or closing the first opening 11.
In conclusion, the first shell 1 and the second shell 2 are driven by the driving structure 4 to rotate relatively or move relatively along a straight line so as to open or close the first opening 11, when the radiation source device is used, the first opening 11 is opened, the radiation source in the first shell 1 generates radiation outwards through the first opening 11, when the radiation source device is not used, the first opening 11 is closed, the radiation source is shielded, unmanned automatic opening and closing can be realized, the process of manual participation is reduced, and the use safety is improved.
Example two
The embodiment of the application provides a radioactive source shielding system, which comprises a radioactive source shielding device and a controller, wherein the controller is connected with a driving structure 4 and used for controlling the driving structure 4 to move according to preset parameters. The preset specific parameters include, but are not limited to, a movement speed, a moving distance, a holding time of the radioactive source in the exposure state, a holding time of the radioactive source in the shielding state, and an action period of the driving structure 4, and the controller can manually control the driving structure 4 to drive the first housing 1 and the second housing 2 to perform a relative movement or a resetting action.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (10)
1. A radioactive source shielding device, comprising:
a first housing having a first opening;
the second shell is movably connected with the first shell;
the bearing part is arranged in the first shell;
a drive structure interfacing with the first housing and/or the second housing;
the driving structure can drive the first shell and the second shell to move relatively and open or close the first opening.
2. The radiation source shielding device of claim 1 wherein the first housing is rotatably coupled to the second housing, the second housing moving in a circumferential direction of the first housing and opening or closing the first opening.
3. The radiation source shielding device of claim 2 wherein the first housing includes a first plate, a second plate, and a first sidewall, the first plate disposed opposite the second plate, the first sidewall connected between the first plate and the second plate, the first plate, the second plate, and the first sidewall enclosing a closed chamber;
the first opening is formed in the first plate or the first side wall;
the second shell is arranged on the outer side of the first shell and can cover and close the first opening or avoid opening the first opening.
4. The radiation source shielding device of claim 3 wherein the second housing includes a third plate disposed opposite the fourth plate, a fourth plate, and a second sidewall connected between the third plate and the fourth plate;
the third plate is arranged on one side of the first plate, which is far away from the second plate, the third plate is rotatably connected with the first plate, the fourth plate is arranged on one side of the second plate, which is far away from the first plate, and the fourth plate is rotatably connected with the second plate; the second side wall is arranged on the outer side of the first side wall;
the third plate or the second side wall is provided with a second opening, the second shell can rotate relative to the first shell until the second opening is correspondingly communicated with the first opening so as to open the first opening, and the second shell can rotate relative to the first shell until the area of the second shell except the second opening corresponds to the first opening so as to close the first opening.
5. The radiation source shielding device of claim 1 wherein the second housing is located outside the first housing and is capable of covering the first opening, and the driving structure drives the second housing to move linearly relative to the first housing to open or close the first opening.
6. The radioactive source shielding device according to claim 5, wherein the first housing is a closed box structure, the first opening is opened on a side surface of the first housing, and the second housing covers the first opening;
the supporting part is positioned in the first shell, the driving structure comprises a first driver at least partially arranged in the first shell, the supporting part is connected with the first driver, and the first driver can drive the supporting part to move between the outside of the first shell and the inside of the first shell in a reciprocating mode through the first opening.
7. The radioactive source shielding device of claim 6, wherein the second housing interfaces with the first driver.
8. The radiation source shielding device according to claim 7, further comprising a bracket, wherein the bracket is disposed inside the first housing and connected to the first driver, the supporting portion and the second housing are mounted on the bracket, and the first driver can drive the bracket to drive the supporting portion and the second housing to reciprocate.
9. The radiation source shielding device according to claim 5 or 6, wherein the driving structure further comprises a second driver, the second driver being disposed outside the first housing, the second housing being interfaced with the second driver; the second driver can drive the second shell to cover and close the first opening or drive the second shell to be separated from the first opening so as to open the first opening.
10. The radiation source shielding device according to claim 9, wherein the second housing defines a second opening, the second driver is capable of driving the second opening of the second housing to communicate with the first opening and open the first opening, and the second driver is capable of covering and closing the first opening in an area of the second housing other than the second opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222319512.7U CN218274005U (en) | 2022-09-01 | 2022-09-01 | Radioactive source shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222319512.7U CN218274005U (en) | 2022-09-01 | 2022-09-01 | Radioactive source shielding device |
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| CN218274005U true CN218274005U (en) | 2023-01-10 |
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| CN202222319512.7U Active CN218274005U (en) | 2022-09-01 | 2022-09-01 | Radioactive source shielding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116386923A (en) * | 2023-03-24 | 2023-07-04 | 常州市大成真空技术有限公司 | Radiation shielding device of radioactive source |
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2022
- 2022-09-01 CN CN202222319512.7U patent/CN218274005U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116386923A (en) * | 2023-03-24 | 2023-07-04 | 常州市大成真空技术有限公司 | Radiation shielding device of radioactive source |
| CN116386923B (en) * | 2023-03-24 | 2024-01-16 | 常州市大成真空技术有限公司 | Radiation shielding device of radioactive source |
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