CN110058289B - Ring belt for monitoring hand radiation dose - Google Patents

Ring belt for monitoring hand radiation dose Download PDF

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Publication number
CN110058289B
CN110058289B CN201910180230.3A CN201910180230A CN110058289B CN 110058289 B CN110058289 B CN 110058289B CN 201910180230 A CN201910180230 A CN 201910180230A CN 110058289 B CN110058289 B CN 110058289B
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China
Prior art keywords
finger ring
rear cover
radiation dose
band
detector
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CN201910180230.3A
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CN110058289A (en
Inventor
韦应靖
万进举
以恒冠
唐智辉
温玉萍
崔伟
冯梅
商洁
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China Institute for Radiation Protection
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China Institute for Radiation Protection
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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
    • G01T1/16—Measuring radiation intensity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/167—Measuring radioactive content of objects, e.g. contamination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments

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  • Physics & Mathematics (AREA)
  • 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 a ring belt for monitoring hand radiation dose, which comprises a ring belt and a rear cover arranged on the ring belt, wherein a thermoluminescent detector is arranged on the rear cover; one side of back lid is equipped with the detector mounting groove, and the opposite side is equipped with the bayonet socket of screwing, and the thermoluminescent detector settles in the detector mounting groove, the surface of installation department is equipped with the apron, is equipped with the preceding fenestra that corresponds with the detector mounting groove on the apron, and preceding fenestra position installation front window, front window cover are in the outside of thermoluminescent detector. The device is used for monitoring the hand radiation dose of professional radioactive workers, is light and comfortable to wear, is used for installing and measuring the thermoluminescent detectors of X, gamma, beta and neutron, and is convenient to install.

Description

Ring belt for monitoring hand radiation dose
Technical Field
The invention relates to the field of radiation monitoring, in particular to a finger ring belt for monitoring hand radiation dose.
Background
With the development of nuclear energy and the wide application of nuclear technology, radioactive workers need to operate radioactive materials in close proximity in many fields such as nuclear industry, radiology, nuclear technology application, and the like. Although the effective dose of the operator in the radiation field is reduced by taking shielding measures in many occasions, part of the work needs to be operated by hands in a close distance, such as work of loading radioactive sources in glove boxes, lengthening work in fuel element factories and the like, in the work, because the hands are in close contact with radioactive substances, the radiation dose rate generated by gamma or beta rays contacted by the hands is high, the effect of the protective articles worn by the operator on the radioactivity is not obvious, and the hands can still be irradiated by a large dose.
Especially, in places with high beta-ray energy and dosage, the radiation dosage on the hands of operators can be underestimated, the possibility of skin burn exists, and the dosage on the hands of the operators needs to be monitored to prevent skin burn caused by weak penetrating radiation.
The ring dosimeter used for monitoring the dose of hands of radioactive workers in the market at present is wide and thick, the dosimeter window is thick, the energy response to low-energy beta rays is poor, and in addition, a cover is easy to fall off after a finger ring belt of a certain dosimeter is used, so that dosimeter detection elements are lost, and personal dose data of the workers are lost. It is therefore desirable to develop a dosimeter finger cuff that is easy to wear, has good radiation response characteristics, and prevents loss of radiation detection elements.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a ring belt for monitoring the radiation dose of hands.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a ring belt for monitoring hand radiation dose comprises a ring belt, a rear cover arranged on the ring belt, a thermoluminescent detector arranged on the rear cover, an installation part arranged in the middle of the ring belt and provided with a rear cover installation opening, an inclined bulge arranged on the inner wall of the rear cover installation opening, an inverted bulge corresponding to the inclined bulge on the inner wall of the rear cover installation opening arranged on the outer wall of the rear cover, and a rear cover clamped in the rear cover installation opening;
one side of back lid is equipped with the detector mounting groove, and the opposite side is equipped with the bayonet socket of screwing, and the thermoluminescent detector is settled in the detector mounting groove, the surface of installation department is equipped with the apron, is equipped with the preceding fenestra that corresponds with the detector mounting groove on the apron, and preceding fenestra position installation front window, front window cover are in the outside of thermoluminescent detector.
Further, the front window is an aluminized polyester film, and the mass thickness of the aluminized polyester film is 1mg cm-2-4mg·cm-2。
Furthermore, the screwing bayonet is in a hexagonal shape or a straight shape or a cross shape.
Further, the finger ring belt comprises a narrow ring belt and a wide ring belt which are connected with the mounting part, and the free ends of the narrow ring belt and the wide ring belt are connected through a buckling mechanism.
Furthermore, the buckling mechanism comprises a bayonet arranged at the end part of the wide finger ring belt, a clamping bulge is arranged in the bayonet, the outer side of the wide finger ring belt is smooth, the tail end of the inner side of the wide finger ring belt is provided with sawteeth, and the inner side and the outer side of the tail end of the narrow finger ring are provided with sawteeth.
Furthermore, the finger ring belt and the mounting part are integrally formed, and the material of the finger ring belt is organic plastic.
Further, the aperture of the front window hole is smaller than that of the detector mounting groove.
The invention has the beneficial effects that: the device is used for monitoring the hand radiation dose of professional radioactive workers, is light and comfortable to wear, is used for installing and measuring the thermoluminescent detectors of X, gamma, beta and neutron, and is convenient to install.
Drawings
FIG. 1 is an assembled view of the present invention;
FIG. 2 is a first perspective view of the rear cover of the present invention;
FIG. 3 is a schematic view of a second perspective structure of the rear cover of the present invention;
FIG. 4 is a schematic view of another embodiment of the rear cover of the present invention;
FIG. 5 is a schematic view of a finger cuff of the present invention.
Detailed Description
As shown in figures 1 to 5, the ring band for monitoring the radiation dose of the hand comprises a ring band, the ring band comprises a narrow ring band 1 and a wide ring band 2, a rear cover 3 is arranged on the ring band, a thermoluminescent detector is arranged on the rear cover 3, an installation part 4 is arranged in the middle of the ring band, the ring band and the installation part are integrally formed, the ring band is made of organic plastics and has the density of 1.0-2.0 g-cm-3。
Installation department 4 has back lid installing port 5, is equipped with slope arch 6 on the inner wall of back lid installing port 5, is equipped with on the outer wall of back lid 3 with the 5 inner walls of back lid on the protruding 6 back-off arch 7 that corresponds of slope, back lid 3 stretches into 5 internal rotations of back lid installing port and through slope arch 6 and the protruding 7 meshing of back-off, the structural design of slope arch 6 and back-off arch 7 is similar to external screw thread and internal screw thread structural design.
Furthermore, one side of the rear cover 3 is provided with a detector mounting groove 8, the other side of the rear cover is provided with a screwing bayonet 9, the screwing bayonet is in a hexagonal shape or a linear shape or a cross shape, and the screwing bayonet 9 is mainly matched with a tool to complete screwing work when the rear cover is mounted;
the pyroelectric detector is arranged in the detector mounting groove 8 and can monitor the radiation dose of the hand of an operator at any time.
As the penetration thickness of the 2MeV beta particles in the organic plastic is 3.6mm, the ring belt for installing the thermoluminescent detector is required to be as thin as possible, so as to ensure that the low-energy beta rays can penetrate through the front windowThe pyroelectric infrared detector enters the pyroelectric infrared detector, a cover plate 10 is arranged on the surface of the mounting part 4, a front window hole 11 corresponding to the detector mounting groove 8 is arranged on the cover plate 10, the aperture of the front window hole 11 is smaller than that of the detector mounting groove 8, a front window 12 is arranged at the position of the front window hole 11, the front window 12 covers the outer side of the pyroelectric infrared detector, the front window 12 is an aluminum-plated polyester film, and the mass thickness of the aluminum-plated polyester film is 1 mg-cm-2-4mg·cm-2。
In order not to influence the field operation of workers, the finger ring belt worn on the fingers needs to be as thin and narrow as possible, the tightness is convenient to adjust, and the finger ring belt is not easy to fall off after being worn. The middle of the ring belt designed in the patent is of a circular structure, the thermoluminescent detector is installed, the ring belts on two sides are worn for use, the width is within the range of 3-7mm, one side of the ring belt is wider, and the other side of the ring belt is narrower. The free ends of the narrow finger ring belt 1 and the wide finger ring belt 2 are connected through a buckling mechanism.
The wide finger ring belt 2 has the length of 35-45mm, the thickness of 0.4-0.6mm and the width of 5-7 mm. The wide ring is in a concave structure from the inner side end to the inner side 25mm, the depth of the groove is 0.3-0.5mm, and the width is 5.5-6.5 mm. A rectangular bayonet 13 with the length of 4-6mm and the width of 2-4mm is arranged at the position 3-5mm inward from the outer end, in order to ensure that the narrow finger ring belt 2 is inserted into the rectangular bayonet 13 and is not easy to fall off, a clamping bulge 14 is arranged at the inner end and the outer end of the rectangular bayonet 13, the length of the lower part of the clamping bulge 14 is 3-4mm, the height of the clamping bulge is 0.5-1mm, the length of the upper part is 1-3mm, the height of the clamping bulge is 0.3-1mm, the distance from the bottom of the clamping bulge 14 to the tail end of the finger ring belt is 3-6mm, and the thickness of the clamping bulge is 0.2-0.4 mm. The wide finger ring belt 2 is smooth at the outer side, and the sawtooth 15 is arranged 20mm inwards at the inner side tail end.
The narrow finger ring belt 1 has the length of 35-50mm, the thickness of 0.3-0.5mm and the width of 3-5 mm. Band saw teeth 16 are arranged from the inward 5-8mm of the tail ends of the inner side and the outer side to the inward 25-40mm of the tail ends.
When the narrow ring belt 1 is worn, the narrow ring belt 1 is inserted into the bayonet 13 of the wide ring belt 2 from outside to inside, the finger ring belt can be hooped by clamping the clamping protrusions 14 with the saw teeth 16 on the narrow ring belt 1, and the tightness of the finger ring belt can be adjusted according to the thickness of fingers.
When the device is used, the thermoluminescent detector is placed in the dosimeter mounting groove 8 of the back cover 3, a layer of aluminized polyester film is placed in the back cover mounting opening 5 in a parallel mode, then the back cover 3 is screwed and mounted in the back cover mounting opening 5, the assembly of the thermoluminescent detector and the ring belt can be completed, and after the assembly, the finger ring belt can be worn on the fingers of an operator. The radiation dose on the hand of an operator can be monitored at any time through the pyroelectric detector.
The device is used for monitoring the hand radiation dose of professional radioactive workers, is light and comfortable to wear, is used for installing and measuring the thermoluminescent detectors of X, gamma, beta and neutron, and is convenient to install.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equally replaced; however, these modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention.

Claims (7)

1. A finger ring belt for monitoring hand radiation dose comprises a finger ring belt, a rear cover arranged on the finger ring belt, and a thermoluminescent detector arranged on the rear cover, and is characterized in that the middle part of the finger ring belt is provided with an installation part, the installation part is provided with a rear cover installation opening, the inner wall of the rear cover installation opening is provided with an inclined bulge, the outer wall of the rear cover is provided with an inverted bulge corresponding to the inclined bulge on the inner wall of the rear cover installation opening, and the rear cover is clamped in the rear cover installation opening;
one side of back lid is equipped with the detector mounting groove, and the opposite side is equipped with the bayonet socket of screwing, and the thermoluminescent detector is settled in the dosimeter mounting groove, the surface of installation department is equipped with the apron, is equipped with the preceding fenestra that corresponds with the detector mounting groove on the apron, and preceding fenestra position installation front window, front window cover are in the outside of thermoluminescent detector.
2. The ring band for hand radiation dose monitoring of claim 1, wherein the front window is an aluminized mylar film, the aluminized mylar filmThe mass thickness is 1mg cm-2-4mg·cm-2。
3. The finger ring band for monitoring radiation dose to the hand according to claim 1 or 2, wherein the screwing bayonet is hexagonal, or "I" or "cross".
4. A finger band for hand radiation dose monitoring according to claim 3, wherein the finger band comprises a narrow band and a wide band connected to the mounting portion, the free ends of the narrow and wide bands being connected by a snap-fit mechanism.
5. The finger ring band for monitoring hand radiation dose according to claim 4, wherein the locking mechanism comprises a bayonet at the end of the wide finger ring band, a locking protrusion is arranged in the bayonet, the outer side of the wide finger ring band is smooth, the inner side of the wide finger ring band is provided with saw teeth, and the inner side and the outer side of the end of the narrow finger ring band are provided with saw teeth.
6. The finger ring band for monitoring hand radiation dose according to claim 4, wherein the finger ring band is integrally formed with the mounting portion, and the material of the finger ring band is organic plastic.
7. The finger ring strap for hand radiation dose monitoring of claim 1, wherein the aperture of the front aperture is smaller than the aperture of the detector mounting slot.
CN201910180230.3A 2019-03-11 2019-03-11 Ring belt for monitoring hand radiation dose Active CN110058289B (en)

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Application Number Priority Date Filing Date Title
CN201910180230.3A CN110058289B (en) 2019-03-11 2019-03-11 Ring belt for monitoring hand radiation dose

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CN110058289A CN110058289A (en) 2019-07-26
CN110058289B true CN110058289B (en) 2022-04-19

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Citations (9)

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Publication number Priority date Publication date Assignee Title
WO2003016948A1 (en) * 2001-08-17 2003-02-27 The Secretary Of State For Defence A non-slip extremity dosimeter
JP2009133667A (en) * 2007-11-29 2009-06-18 Tokyo Electric Power Co Inc:The Portable radiation measuring apparatus
CN203178496U (en) * 2013-01-14 2013-09-04 郭勇 Personal dosimeter wearing box
CN203773063U (en) * 2013-12-30 2014-08-13 中国辐射防护研究院 Hand model used for calibration of hand and foot surface contamination monitoring meter
CN104204954A (en) * 2012-04-02 2014-12-10 Asml荷兰有限公司 Particulate contamination measurement method and apparatus
CN204945386U (en) * 2015-08-05 2016-01-06 中国辐射防护研究院 Eye lens personal dosimeter
CN206863230U (en) * 2017-06-20 2018-01-09 中国人民解放军96879部队 A kind of throwing type radiation detector assembly
CN206863231U (en) * 2017-05-26 2018-01-09 刘秋美 Medical personnel's wearable device is used in a kind of highly sensitive medical radiation detection
CN207221091U (en) * 2017-01-09 2018-04-13 兴化市医疗卫生用品有限公司 A kind of garter is prevented touching press device

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US20040217117A1 (en) * 2003-05-01 2004-11-04 Chien-Ping Lien Cover for the great water outlet of a water bag

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003016948A1 (en) * 2001-08-17 2003-02-27 The Secretary Of State For Defence A non-slip extremity dosimeter
JP2009133667A (en) * 2007-11-29 2009-06-18 Tokyo Electric Power Co Inc:The Portable radiation measuring apparatus
CN104204954A (en) * 2012-04-02 2014-12-10 Asml荷兰有限公司 Particulate contamination measurement method and apparatus
CN203178496U (en) * 2013-01-14 2013-09-04 郭勇 Personal dosimeter wearing box
CN203773063U (en) * 2013-12-30 2014-08-13 中国辐射防护研究院 Hand model used for calibration of hand and foot surface contamination monitoring meter
CN204945386U (en) * 2015-08-05 2016-01-06 中国辐射防护研究院 Eye lens personal dosimeter
CN207221091U (en) * 2017-01-09 2018-04-13 兴化市医疗卫生用品有限公司 A kind of garter is prevented touching press device
CN206863231U (en) * 2017-05-26 2018-01-09 刘秋美 Medical personnel's wearable device is used in a kind of highly sensitive medical radiation detection
CN206863230U (en) * 2017-06-20 2018-01-09 中国人民解放军96879部队 A kind of throwing type radiation detector assembly

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一些常用个人防护用品的弱贯穿辐射防护性能评价;韦应靖;《辐射防护》;20181130;第38卷(第6期);全文 *
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肢端剂量计和核设施弱贯穿辐射（主要是β辐射）的辐射防护监测;李景云;《辐射防护》;20030930;第23卷(第5期);全文 *

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