CN107703530B - Thermoluminescent card dosimeter - Google Patents
Thermoluminescent card dosimeter Download PDFInfo
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- CN107703530B CN107703530B CN201611093138.6A CN201611093138A CN107703530B CN 107703530 B CN107703530 B CN 107703530B CN 201611093138 A CN201611093138 A CN 201611093138A CN 107703530 B CN107703530 B CN 107703530B
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- tray
- positioning plate
- thermoluminescent
- dosimeter
- dose
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/10—Luminescent dosimeters
- G01T1/11—Thermo-luminescent dosimeters
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention relates to an electrically heated thermoluminescent card dosimeter for monitoring radiation dose in the field of nuclear radiation dose monitoring, which comprises an upper shell, a bottom shell, a tray, a pressing sleeve, a positioning plate and a coating film, wherein the tray is embedded between the positioning plate and the pressing sleeve, a detector is placed on the tray, the coating film covers the tray, the upper shell and the bottom shell are connected through rivets, the thermoluminescent card dosimeter has the advantages of smooth integral surface, attractive appearance, light weight, small volume, compact structure, dust and water resistance, safety and reliability, difficult damage, simple and convenient opening and good function, can realize the functions of superficial dose Hp (0.07), deep dose Hp (10), eye dose Hp (3) and energy identification multi-parameter measurement, and is suitable for measuring personal conventional dose and accident dose of X, gamma and β rays.
Description
Technical Field
The invention relates to a thermoluminescent card dosimeter in a thermoluminescent detection technology, and belongs to the technical field of radiation dose measurement.
Background
The thermoluminescent detector is a solid-state dosimeter, has the characteristics of good energy response, high sensitivity, wide dose response range, high measurement precision, light weight, small volume, small environmental influence factor and capability of measuring various rays such as X, gamma, β, neutrons and the like, and is widely applied to the fields of personal and environmental dose monitoring and the like.
The thermoluminescent dosimeter can be configured with LiF: mg, Cu, P or LiF: the pyroelectric detector (detector for short) of Mg and Ti is used for monitoring deep dose, superficial dose and eye crystal dose of radioactive workers, and the performance of the pyroelectric detector meets the requirements specified in the national standard of pyroelectric dose measuring system for personal and environmental monitoring (GB 10264-88).
At present, two heating modes, namely hot wind heating (Harshaw company in America) and infrared heating (Japan Panasonic company) are adopted in a foreign thermoluminescent automatic measuring device instrument, but the electric heating mode is provided in the application, and at present, a domestic single-channel reader adopts electric heating measurement, so that the problems of single measurement parameter, complex operation, low speed, inconvenience in management and the like exist. The application adopts an indirect electric heating mode (see 'an electric heating card thermoluminescence measurement heating device', the utility model patent application number: 201310051395.3), and well solves the problem of poor thermal contact in the prior art under the condition of satisfying multi-parameter measurement. The dosage parameters of the irradiated person can be given more quickly and accurately.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the thermoluminescent card dosimeter which has the advantages of high analysis speed, large information quantity, simple structure, low cost and good performance, and is used for measuring the personal conventional dose and the accident dose of X, gamma and β rays.
The technical scheme for solving the technical problems is as follows: the thermoluminescent card dosimeter comprises a tray, a pressing sleeve, a bottom shell, a positioning plate, an upper shell, a coating film, a detector and a fixing rivet;
the invention has the beneficial effects that:
the structure is simple and reliable, the assembly and debugging are convenient, and the device has practical significance for the popularization of the thermoluminescent technology.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the pressing sleeve pressing tray is embedded on the positioning plate.
The beneficial effect who adopts above-mentioned further scheme is, satisfying under the prerequisite of mould forming technology, guaranteed the assembly precision, ensure to the tray insulating heat-proof.
Furthermore, the positioning plate is integrally assembled with the bottom shell and the upper shell through fixing rivets after being positioned and installed.
The beneficial effect who adopts above-mentioned further scheme is, guarantees the uniformity and the fastness of whole installation.
Further, the detector is placed on the tray and is packaged on the positioning plate through the coating film.
Adopt above-mentioned further scheme's beneficial effect be, ensure that the detector is easily assembled, dampproofing and waterproofing.
Further, the bottom shell and the upper shell are both formed in a punch mode, and the information of an etching agent amount in the groove is formed in the upper surface of the upper shell in a sinking mode.
The beneficial effect who adopts above-mentioned further scheme is, ensures that drain pan and epitheca assembly precision are good, and the bulk strength is high after the cold work sclerosis, non-deformable.
Furthermore, the positioning plate is formed by compression molding of high-temperature-resistant polytetrafluoroethylene.
Further, the material of the coating film part is polyimide.
Further, the detector is a sheet-shaped LiF: mg, Cu, P detector or flake LiF: mg, Ti detector.
Further, the tray is made of metal materials.
Drawings
FIG. 1 is a schematic structural diagram of a thermoluminescent card dosimeter of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a front isometric view of FIG. 1;
FIG. 5 is a rear isometric view of FIG. 1;
in the drawings, the components represented by the respective reference numerals are listed below:
1. tray, 2, pressing sleeve, 3, bottom shell, 4, positioning plate, 5, upper shell, 6, coating film, 7, detector, 8 and fixing rivet
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and fig. 3, a thermoluminescent card dosimeter is characterized in that: comprises a tray 1, a pressing sleeve 2, a bottom shell 3, a positioning plate 4, an upper shell 5, a coating film 6, a detector 7 and a fixing rivet 8.
The pressing sleeve 2 presses the tray 1 to be embedded on the positioning plate 4.
The positioning plate 4 is integrally assembled with the bottom shell 3 and the upper shell 5 through a fixing rivet (8) after being positioned and installed
The detector 7 is placed on the tray 1 and is packaged on the positioning plate 4 through a coating film 6.
And the bottom shell 3 and the upper shell 5 are both subjected to punch forming, and the information of the etching dosimeter in the sunken groove on the upper surface of the upper shell 5 of the bottom shell 3 is obtained.
The positioning plate 5 is formed by compression molding of high-temperature-resistant polytetrafluoroethylene.
The material of the coating film 6 is polyimide.
The detector 7 is a sheet-shaped LiF: mg, Cu, P detector or flake LiF: mg, Ti detector.
The tray 1 is made of metal material.
The assembly principle of the thermoluminescent card dosimeter provided by the invention is as follows:
firstly, a tray 1 is embedded on a positioning plate 4, and a pressing sleeve 2 is additionally arranged to be assembled and formed into a whole; a detector 7 is placed in the groove of the tray 1, and the upper surface of the detector is covered with a coating film 6; the bottom shell 3, the upper shell 5 and the positioning plate 4 are assembled and fastened through the fixing rivets 8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. Thermoluminescent card dosimeter is characterized in that: comprises a tray (1), a pressing sleeve (2), a bottom shell (3), a positioning plate (4), an upper shell (5), a coating film (6), a detector (7) and a fixing rivet (8); the positioning plate (4) is provided with a through hole for placing a detector (7), the upper shell (5) is provided with a round hole corresponding to the through hole of the positioning plate (4), and the bottom shell (3) is provided with a square hole corresponding to the through hole of the positioning plate (4); the pressing sleeve (2) presses the tray (1) to be embedded on the positioning plate (4), the detector (7) is placed on the tray (1) and is packaged on the positioning plate (4) through a coating film (6), and the tray (1) is made of metal materials; the positioning plate (4) is integrally assembled with the bottom shell (3) and the upper shell (5) through a fixing rivet (8) after being positioned and installed.
2. The thermoluminescent card dosimeter of claim 1, wherein: and the bottom shell (3) and the upper shell (5) are both formed in a punch mode, and the information of an etching agent amount in a groove is formed on the upper surface of the upper shell (5) of the bottom shell (3).
3. The thermoluminescent card dosimeter of claim 1, wherein: the positioning plate (5) is formed by compression molding of high-temperature-resistant polytetrafluoroethylene.
4. The thermoluminescent card dosimeter of claim 1, wherein: the material of the coating film (6) part is polyimide.
5. The thermoluminescent card dosimeter of claim 1, wherein: the detector (7) is a flaky LiF: mg, Cu, P detector or flake LiF: mg, Ti detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093138.6A CN107703530B (en) | 2016-12-02 | 2016-12-02 | Thermoluminescent card dosimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093138.6A CN107703530B (en) | 2016-12-02 | 2016-12-02 | Thermoluminescent card dosimeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107703530A CN107703530A (en) | 2018-02-16 |
| CN107703530B true CN107703530B (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093138.6A Active CN107703530B (en) | 2016-12-02 | 2016-12-02 | Thermoluminescent card dosimeter |
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| Country | Link |
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| CN (1) | CN107703530B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594510A (en) * | 2022-02-25 | 2022-06-07 | 西北核技术研究所 | Combined type adjustable charged particle balancing body of thermoluminescent dosimeter and installation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065031A (en) * | 1988-07-07 | 1991-11-12 | The Harshaw Chemical Company | Personnel TL dosimetry method and apparatus for determination of risk related quantity |
| DE102006015499A1 (en) * | 2006-03-31 | 2007-10-04 | Radpro International Gmbh | Thermoluminescent dosimeter for determining a dose of natural and/or artificial rays uses a card-shaped element to include a laser-induced fluorescence-based detector in the area of an associated retaining device |
| CN101595397A (en) * | 2007-01-23 | 2009-12-02 | 精工精密株式会社 | Dosimeter housing |
| CN102043160A (en) * | 2010-03-12 | 2011-05-04 | 上海新漫传感技术研究发展有限公司 | Card type personal neutron dosimeter |
| CN203433120U (en) * | 2013-07-26 | 2014-02-12 | 李锦� | Thermoluminescent environment dosemeter |
| JP2014077677A (en) * | 2012-10-10 | 2014-05-01 | Panasonic Corp | Thermoluminescence dosimeter |
| CN203825203U (en) * | 2014-05-05 | 2014-09-10 | 江苏省疾病预防控制中心 | Discrimination type thermoluminescence personal dosimeter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994822B (en) * | 2013-02-16 | 2016-05-11 | 北京瑞辐特辐射测量仪器有限公司 | A kind of heater of electrical heating card thermoluminescence dosimetry |
-
2016
- 2016-12-02 CN CN201611093138.6A patent/CN107703530B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065031A (en) * | 1988-07-07 | 1991-11-12 | The Harshaw Chemical Company | Personnel TL dosimetry method and apparatus for determination of risk related quantity |
| DE102006015499A1 (en) * | 2006-03-31 | 2007-10-04 | Radpro International Gmbh | Thermoluminescent dosimeter for determining a dose of natural and/or artificial rays uses a card-shaped element to include a laser-induced fluorescence-based detector in the area of an associated retaining device |
| CN101595397A (en) * | 2007-01-23 | 2009-12-02 | 精工精密株式会社 | Dosimeter housing |
| CN102043160A (en) * | 2010-03-12 | 2011-05-04 | 上海新漫传感技术研究发展有限公司 | Card type personal neutron dosimeter |
| JP2014077677A (en) * | 2012-10-10 | 2014-05-01 | Panasonic Corp | Thermoluminescence dosimeter |
| CN203433120U (en) * | 2013-07-26 | 2014-02-12 | 李锦� | Thermoluminescent environment dosemeter |
| CN203825203U (en) * | 2014-05-05 | 2014-09-10 | 江苏省疾病预防控制中心 | Discrimination type thermoluminescence personal dosimeter |
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| Publication number | Publication date |
|---|---|
| CN107703530A (en) | 2018-02-16 |
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Address after: Room 200, building 22, No. 40, Taiping Road, Wanshou Road Street, Haidian District, Beijing 100039 Applicant after: Beijing Rui Fute radiation meter company limited Applicant after: Research support center, Academy of military medicine, Academy of Military Sciences Address before: No. 40, seat No. A, No. 40, Taiping Road, Beijing, Beijing Applicant before: Beijing Rui Fute radiation meter company limited Applicant before: Experimental Instrument Factory of Academy of Military Medical Sciences of PLA |
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