CN112858395B - Radioactive material container with real-time detection function - Google Patents
Radioactive material container with real-time detection function Download PDFInfo
- Publication number
- CN112858395B CN112858395B CN202110022730.1A CN202110022730A CN112858395B CN 112858395 B CN112858395 B CN 112858395B CN 202110022730 A CN202110022730 A CN 202110022730A CN 112858395 B CN112858395 B CN 112858395B
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- Prior art keywords
- coil
- container body
- electrical interface
- radio frequency
- container
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
Abstract
The invention discloses a radioactive material container with a real-time detection function, which comprises a container body with a closed inner cavity, wherein coils distributed along the height direction are installed on the side wall of the inner side of the container body, a controller is installed outside the container body, and the controller is connected with the coils through radio frequency wires. The beneficial effects of the invention are: the state of oxidation, position change, shape change, etc. of the radioactive material can be measured under a sealed condition.
Description
Technical Field
The invention belongs to the technical field of radioactive materials, and particularly relates to a radioactive material container with a real-time detection function.
Background
To ensure the safe transport and storage of radioactive materials, the radioactive materials need to be stored in a special container with shielding function. In the prior art, the container for storing radioactive materials is usually made of heavy metal materials, and a completely closed structural design is adopted, so that the radioactive materials are extremely difficult to detect after being contained in the container. If the external detector is used for detecting from the outside, the detector is difficult to penetrate through the thick shielding layer to detect the state of the internal radioactive material, and if the detector is placed in the container, the detector is affected by long-term radiation, so that the service life of the detector is greatly reduced.
Disclosure of Invention
In view of the above, the present invention provides a radioactive material container having a real-time detection function, which can measure the oxidation, position change, shape change, and other states of a radioactive material under a sealed condition.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a radioactive material container with a real-time detection function is characterized in that: the container comprises a container body with a closed inner cavity, wherein coils distributed along the height direction are mounted on the inner side wall of the container body, a controller is mounted outside the container body, and the controller is connected with the coils through radio frequency wires.
By adopting the structure, under the condition that the container body is not opened, the states of oxidation, position change, shape change and the like of the radioactive material can be measured and evaluated through the impedance value between the coils, the frequency of uncapping sampling detection is reduced, the risk of radiation leakage is reduced, the information of the radioactive material can be detected in real time in the storage process, and the detection information is provided for the management of the radioactive material.
Preferably, the method comprises the following steps: the container body comprises a container body and a cover plate arranged at the upper end of the container body. By adopting the structure, the radioactive materials can be conveniently filled into the container body.
Preferably, the method comprises the following steps: and annular grooves are formed in the positions, corresponding to the coils, of the inner wall of the device body, and the coils are fixedly arranged in the corresponding annular grooves. The structure is adopted, so that the coil is convenient to install.
Preferably, the method comprises the following steps: the coil is a passive coil made of metal materials. By adopting the structure, the radiation resistance is strong, and the service life is long.
Preferably, the method comprises the following steps: the upper side of the cover plate is provided with an upper electrical interface, the lower side of the cover plate is provided with a lower electrical interface, the upper electrical interface is connected with the lower electrical interface through a radio frequency wire, the controller is arranged on the upper side of the cover plate and connected with the upper electrical interface, and the radio frequency wire connected with the coil is connected with the lower electrical interface.
Preferably, the method comprises the following steps: after the cover plate is buckled with the body, the lower electrical interface is communicated with the radio frequency line on the body. By adopting the structure, the installation and the use on the spot can be convenient.
Preferably, the method comprises the following steps: the radio frequency lines are distributed inside the side wall of the container body in a bending mode. By adopting the structure, radiation leakage can be effectively prevented.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the radioactive material container with the real-time detection function, the states of oxidation, position change, shape change and the like of the radioactive material can be measured and evaluated through the impedance value between the coils under the condition that the container body is not opened, the information of the radioactive material can be detected in real time in the storage process, and the detection information is provided for the management of the radioactive material.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the connection between the lower electrical interface on the lower side of the cover plate and the upper end of the body.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1, a radioactive material container with real-time detection function, a container body 1 is composed of a container body 1a and a cover plate 1b mounted on the upper end of the container body 1a, and after the cover plate 1b is fastened on the container body 1a, a closed cavity is formed inside the container body 1. An annular groove 1c is distributed on the inner side wall of the transformer body 1a along the height direction, a coil 3 with the same inner diameter as the transformer body 1a is fixedly arranged in the annular groove 1c, the coil 3 in the embodiment is a passive coil made of metal materials, a controller 2 is arranged on the upper surface of the cover plate 1b, and the controller 2 is connected with each coil 3 through a radio frequency wire a and a radio frequency wire b.
In this embodiment, three sets of coils 3 are distributed on the inner side wall of the body 1a, respectively: the first coil 3a, the second coil 3b and the third coil 3c, and the operation principle of measuring the state of the radioactive material in the container by using the three sets of coils 3 is as follows:
the method comprises the following steps: when the radioactive material is just stored in the container, the controller 2 loads an excitation signal to the corresponding coil, and measures the impedance value thereof, and the specific operation mode is as follows: the first coil 3a is excited, and the second coil 3b receives the excitation to obtain an impedance value; the first coil 3a is excited, and the third coil 3c receives the excitation signal to obtain an impedance value; the second coil 3b is excited and the third coil 3c receives it, and impedance values are obtained, and the initial state of the radioactive material is recorded by these three sets of impedance values.
Step two: during the storage, the impedance values between the first coil 3a and the second coil 3b, the first coil 3a and the third coil 3c, and the second coil 3b and the third coil 3c are periodically measured, and the state change of the material is analyzed.
With this container and through the above-described first and second steps, it is achieved that the states of oxidation, positional change, shape change, etc. of the radioactive material can be evaluated by measuring the impedance value between the coils 3 without opening the container.
For easy to assemble, the upside of apron 1b is equipped with electrical interface 5, and the downside is equipped with down electrical interface 6, goes up electrical interface 5 and is connected through radio frequency line a down between electrical interface 6, and controller 2 is connected with last electrical interface 5, and coil 3 is connected through radio frequency line b with down between electrical interface 6, promptly: the controller 2 and the coil 3 are connected through an upper electrical interface 5, a radio frequency line a, a lower electrical interface 6 and a radio frequency line b in sequence.
Further, to prevent radiation leakage, the radio frequency wires b are distributed in a curved manner in the wall of the body 1 a.
Furthermore, in order to facilitate field installation and use, the lower electrical interface 6 is connected with the radio frequency line b on the body 1a in a contact manner.
As shown in fig. 2, the lower electrical interface 6 and the radio frequency line b may also be connected by using the following connection structure: the lower electrical interface 6 comprises a first insulating sleeve 6a embedded on the lower side of the cover plate 1b, and a first electrode 6b arranged in the first insulating sleeve 6a, wherein the lower end of the first electrode 6b is provided with a connecting groove 6c, the upper end of the body 1a is embedded with a second insulating sleeve 7a, the second insulating sleeve 7a is provided with a second electrode 7b, the upper end of the second electrode 7b protrudes out of the upper end surface of the body 1a, the protruding part can be inserted into the connecting groove 6c, and the non-protruding part of the second electrode 7b is adjacent to the radio frequency line b in the body 1 a. Further, in order to ensure the effectiveness and reliability of the connection, three groups of first electrodes 6b and three groups of second electrodes 7b are arranged.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (1)
1. A radioactive material container having a real-time detection function, characterized in that: the container comprises a container body (1) with a closed inner cavity, wherein coils (3) distributed along the height direction are mounted on the side wall of the inner side of the container body (1), a controller (2) is mounted outside the container body (1), and the controller (2) is connected with the coils (3) through radio frequency wires;
the container body (1) comprises a container body (1 a) and a cover plate (1 b) installed at the upper end of the container body (1 a), and three groups of coils (3) are distributed on the inner wall of the container body (1 a);
the upper side of the cover plate (1 b) is provided with an upper electrical interface (5), the lower side of the cover plate is provided with a lower electrical interface (6), the upper electrical interface (5) is connected with the lower electrical interface (6) through a radio frequency wire, the controller (2) is arranged on the upper side of the cover plate (1 b) and is connected with the upper electrical interface (5), and the radio frequency wire connected with the coil (3) is connected with the lower electrical interface (6);
the lower electrical interface (6) comprises a first insulating sleeve (6 a) embedded on the lower side of the cover plate (1 b) and a first electrode (6 b) arranged in the first insulating sleeve (6 a), wherein the lower end of the first electrode (6 b) is provided with a connecting groove (6 c), the upper end of the body (1 a) is embedded with a second insulating sleeve (7 a), the second insulating sleeve (7 a) is provided with a second electrode (7 b), and the upper end of the second electrode (7 b) protrudes out of the upper end surface of the body (1 a) and is matched with the connecting groove (6 c); the first electrodes (6 b) and the second electrodes (7 b) are provided with three groups;
the lower end of the second electrode (7 b) is connected with the radio frequency wire in the body (1 a), and the radio frequency wire in the body (1 a) is distributed in the side wall of the body (1 a) in a bending way;
the three sets of coils (3) are a first coil (3 a), a second coil (3 b) and a third coil (3 c), respectively, and when the radioactive material is just stored in the container body (1), the first coil (3 a) is excited by the controller (2), the second coil (3 b) receives and obtains an impedance value, the first coil (3 a) is excited, the third coil (3 c) receives and obtains an impedance value, the second coil (3 b) is excited, and the third coil (3 c) receives and obtains an impedance value, and the initial state of the radioactive material is recorded by these three sets of impedance values; in the storage process, impedance values between the first coil (3 a) and the second coil (3 b), between the first coil (3 a) and the third coil (3 c), and between the second coil (3 b) and the third coil (3 c) are periodically measured, and the state change of the material is analyzed;
a ring groove (1 c) is formed in the position, corresponding to the coil (3), of the inner wall of the device body (1 a), and the coil (3) is fixedly arranged in the corresponding ring groove (1 c);
the coil (3) is a passive coil made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110022730.1A CN112858395B (en) | 2021-01-08 | 2021-01-08 | Radioactive material container with real-time detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110022730.1A CN112858395B (en) | 2021-01-08 | 2021-01-08 | Radioactive material container with real-time detection function |
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| Publication Number | Publication Date |
|---|---|
| CN112858395A CN112858395A (en) | 2021-05-28 |
| CN112858395B true CN112858395B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110022730.1A Active CN112858395B (en) | 2021-01-08 | 2021-01-08 | Radioactive material container with real-time detection function |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205752678U (en) * | 2016-06-23 | 2016-11-30 | 周继岱 | A kind of arrangements of electric connection of Christmas tree lamp |
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| US4645624A (en) * | 1982-08-30 | 1987-02-24 | Australian Atomic Energy Commission | Containment and densification of particulate material |
| US5192868A (en) * | 1991-08-07 | 1993-03-09 | Tennelec/Nucleus Inc. | Proportional counter detector |
| JPH11118994A (en) * | 1997-10-20 | 1999-04-30 | Hitachi Ltd | Melt processing device of radioactive waste |
| JP4986771B2 (en) * | 2006-08-31 | 2012-07-25 | キヤノン株式会社 | Imaging apparatus, driving method thereof, and radiation imaging system |
| CN100439879C (en) * | 2006-11-29 | 2008-12-03 | 上海辉博自动化仪表有限公司 | Non-contact type article position measuring method using auxiliary materials for replacement of radioactive source |
| BRPI0809366B8 (en) * | 2007-03-28 | 2021-05-25 | Harvard College | substantially alpha-helical polypeptide, method for manufacturing same, amino acid and pharmaceutical composition |
| JP2010009873A (en) * | 2008-06-25 | 2010-01-14 | Panasonic Electric Works Co Ltd | Electrodeless discharge lamp device and lighting fixture |
| CN102033556A (en) * | 2009-10-07 | 2011-04-27 | 陈启星 | Differential integral type control system |
| CN108089217B (en) * | 2017-11-15 | 2023-06-13 | 中国工程物理研究院激光聚变研究中心 | X-ray detector based on Michelson interferometer |
| CN108133813B (en) * | 2018-01-09 | 2023-12-29 | 常州东芝变压器有限公司 | Output-side-sleeve-free gas-insulated transformer |
| CN111708076B (en) * | 2020-06-18 | 2022-04-22 | 中国工程物理研究院激光聚变研究中心 | Multichannel intelligent BF3Neutron yield monitor |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205752678U (en) * | 2016-06-23 | 2016-11-30 | 周继岱 | A kind of arrangements of electric connection of Christmas tree lamp |
Non-Patent Citations (1)
| Title |
|---|
| 生物阻抗电磁层析成像系统研究;李小科;《中国优秀硕士学位论文全文数据库信息科技辑》;20141231(第8期);第I140-432页 * |
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| CN112858395A (en) | 2021-05-28 |
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