CN203773063U - Hand model used for calibration of hand and foot surface contamination monitoring meter - Google Patents
Hand model used for calibration of hand and foot surface contamination monitoring meter Download PDFInfo
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- CN203773063U CN203773063U CN201320881252.0U CN201320881252U CN203773063U CN 203773063 U CN203773063 U CN 203773063U CN 201320881252 U CN201320881252 U CN 201320881252U CN 203773063 U CN203773063 U CN 203773063U
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- surface pollution
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- 238000011109 contamination Methods 0.000 title abstract description 10
- 238000012544 monitoring process Methods 0.000 title abstract description 5
- 238000000034 method Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000002285 radioactive effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000013341 scale-up Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Measurement Of Radiation (AREA)
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Abstract
The utility model discloses a hand model used for calibration of a hand and foot surface contamination monitoring meter. The hand model comprises a hand module and a hand-held module. The hand module comprises a finger model and a palm model. One end of the finger model is connected with one end of the palm model. The other end of the palm model is connected with the hand-held module. The hand model can be used for calibration of the hand and foot surface contamination monitoring meter so that the overall calibration process is more convenient and faster, the calibration process is greatly improved and simplified, and detection efficiency of the hand and foot surface contamination monitoring meter is enhanced.
Description
Technical field
The utility model relates to Radiation monitoring and guard technology field, is specifically related to a kind of hand model for the calibration of trick surface pollution monitor.
Background technology
In the place containing a large amount of hot operations, in order to prevent that radioactivity from spreading to environment, realize radioactive closed management, be generally provided with radioactivity control zone.In control zone and the outlet of closed cell, trick surface pollution monitor is installed.This instrument is the radioactive contamination of finding early personnel's hand and foot, understands pollution situation in time to determine whether take decontamination measure, and avoiding polluting may be to the key equipment of control zone external diffusion.
Trick surface pollution monitor, comprises hand and foot's detector.When foot's detector is calibrated, radioactive source can be placed directly on detector and calibrate, but for hand detector, during due to measurement, hand need to be put in instrument, not easy to operate for radioactive source when calibration, need to coordinate radioactive source to complete by some instruments, what the utility model proposed for this problem just be a kind of in the hand model of trick surface pollution monitor calibration.
Utility model content
For the defect existing in prior art, the purpose of this utility model is to provide a kind of hand model for the calibration of trick surface pollution monitor, improves the efficiency of trick surface pollution monitor calibration by this hand model.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of hand model for the calibration of trick surface pollution monitor, comprise hand module and hand held module, described hand module comprises finger model and palm model, and one end of finger model is connected with one end of palm model, and the other end of palm model is connected with hand held module.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, described hand held module is handle.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, the outer rim of described hand module is also provided with card article.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, is also provided with fastening bolt on described card article.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, the length of described hand module is 20cm, width is 12cm.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, described hand held module length is 10cm.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, described finger model is rectangular parallelepiped.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, the thickness of described finger model is 1.5cm.
Further again, a kind of hand model for the calibration of trick surface pollution monitor as above, the longitudinal cross-section of described palm model is trapezoidal, the bottom of palm model is parallel with the bottom of finger model, and the thickness of the palm model other end is greater than the thickness of its one end being connected with finger model.
Further, a kind of hand model for the calibration of trick surface pollution monitor as above, the thickness of described trapezoidal bottom surface, one end is 1.5cm, the thickness of other end bottom surface is 5cm.
The beneficial effects of the utility model are: hand model of the present utility model is for the calibration of trick surface pollution monitor, make the more convenient convenience of whole calibration process, greatly improve and simplified calibration process, improved the detection efficiency of trick surface pollution monitor.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of hand model for the calibration of trick surface pollution monitor in embodiment;
Fig. 2 is the vertical view of a kind of hand model for the calibration of trick surface pollution monitor in embodiment.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model is described in further detail.
Fig. 1 and Fig. 2 show respectively front view and the vertical view of a kind of hand model for the calibration of trick surface pollution monitor in the utility model embodiment, this hand model comprises hand module and hand held module, wherein, described hand module comprises finger model 2 and palm model 3, one end of finger model 2 is connected with one end of palm model 3, and the other end of palm model 3 is connected with hand held module.Hand held module in present embodiment is preferably handle 4.
For better fixedly radioactive source 1 when carrying out calibration experiments, the outer rim of hand module is also provided with for the fixing card article 7 of radioactive source, on card article 7, be also provided with fastening bolt 5, as shown in Figure 2, in present embodiment, card article 7 has been arranged on the three side outer rim places (except the side being connected with handle 4) of hand module, and fastening bolt 5 has been arranged on both sides.During calibration, radioactive source 1 is tightened fastening bolt 5 after filling in from hand model bottom 6, makes its edges of substrate that blocks radioactive source 1, prevents that radioactive source from use dropping.
The long 20cm of hand model in present embodiment, wide 12cm, decreased food is 10cm.Finger model 2 is rectangular parallelepiped, and the thickness of finger model 2 is 1.5cm.The longitudinal cross-section of palm model 3 is trapezoidal, and the bottom of palm model 3 is parallel with the bottom of finger model 2, and the thickness of palm model 3 other ends is greater than the thickness of its one end being connected with finger model 2, as shown in Figure 1.The thickness of the bottom surface, one end that in present embodiment, the trapezoidal and finger model 2 of palm model 3 longitudinal cross-sections is connected is 1.5cm, and the thickness of other end bottom surface is 5cm, and the variation in thickness scope that palm model 3 passes through is 1.5-5cm.
What trick surface pollution monitor was measured is the surface contamination situation of α and β, and unit provides with Bq/cm2, but in fact, detector measurement be into the α that injects detector, β particle number, measuring unit is that cps(counts p.s.).Explorer count is directly proportional to surface contamination value, exists a scale-up factor that explorer count and surface contamination value are connected, and how accurately to find this scale-up factor to realize by calibration experiments.
When the hand model in use present embodiment carries out the calibration of trick surface pollution monitor, radioactive source 1 is fixed on hand model, then hand model is stretched into instrument hand measuring contamination indoor, the surface activity of radioactive source is known, by comparing with the explorer count measuring, can obtain the surface activity response of instrument.In actual use, by explorer count, and the response of the surface activity of calibration can obtain staff's hand surface contamination situation.Hand model in present embodiment is preferably used pmma material, and density of material approaches 1g/cm3, to better simulate human hands.Because size and the density of material of hand model are close with human hands, calibration result can be reacted actual conditions really.
The processes such as the calibrating first when the large-scale nuclear facilities such as hand model Ke of the present utility model nuclear power plant uses instrument, periodic inspection, periodic inspection are used, because using in nuclear facilities of trick surface pollution monitor is very extensive, the utility model will improve and simplify its calibration process greatly, improve the accuracy of detection efficiency calibration.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technology thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (10)
1. the hand model for trick surface pollution monitor calibration, it is characterized in that, comprise hand module and hand held module, described hand module comprises finger model (2) and palm model (3), one end of finger model (2) is connected with one end of palm model (3), and the other end of palm model (3) is connected with hand held module.
2. a kind of hand model for the calibration of trick surface pollution monitor as claimed in claim 1, is characterized in that, described hand held module is handle (4).
3. a kind of hand model for the calibration of trick surface pollution monitor as claimed in claim 1, is characterized in that, the outer rim of described hand module is also provided with card article (7).
4. a kind of hand model for the calibration of trick surface pollution monitor as claimed in claim 3, is characterized in that, is also provided with fastening bolt (5) on described card article (7).
5. a kind of hand model for the calibration of trick surface pollution monitor as described in one of claim 1 to 4, is characterized in that, the length of described hand module is 20cm, and width is 12cm.
6. a kind of hand model for the calibration of trick surface pollution monitor as described in one of claim 1 to 4, is characterized in that, described hand held module length is 10cm.
7. a kind of hand model for the calibration of trick surface pollution monitor as claimed in claim 6, is characterized in that, described finger model (2) is rectangular parallelepiped.
8. a kind of hand model for the calibration of trick surface pollution monitor as claimed in claim 7, is characterized in that, the thickness of described finger model (2) is 1.5cm.
9. a kind of hand model for trick surface pollution monitor calibration as claimed in claim 8, it is characterized in that, the longitudinal cross-section of described palm model (3) is trapezoidal, the bottom of palm model (3) is parallel with the bottom of finger model (2), and the thickness of palm model (3) other end is greater than the thickness of its one end being connected with finger model (2).
10. a kind of hand model for the calibration of trick surface pollution monitor as claimed in claim 9, is characterized in that, the thickness of described trapezoidal bottom surface, one end is 1.5cm, and the thickness of other end bottom surface is 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881252.0U CN203773063U (en) | 2013-12-30 | 2013-12-30 | Hand model used for calibration of hand and foot surface contamination monitoring meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881252.0U CN203773063U (en) | 2013-12-30 | 2013-12-30 | Hand model used for calibration of hand and foot surface contamination monitoring meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773063U true CN203773063U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320881252.0U Expired - Lifetime CN203773063U (en) | 2013-12-30 | 2013-12-30 | Hand model used for calibration of hand and foot surface contamination monitoring meter |
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| CN (1) | CN203773063U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884683A (en) * | 2019-03-12 | 2019-06-14 | 苏州瑞派宁科技有限公司 | A kind of radiation detector assembly |
| CN110058289A (en) * | 2019-03-11 | 2019-07-26 | 中国辐射防护研究院 | A kind of finger ring band for hand radiation dose monitoring |
| CN110988972A (en) * | 2019-10-12 | 2020-04-10 | 中国辐射防护研究院 | High-precision three-dimensional portable surface pollution instrument calibrating device |
-
2013
- 2013-12-30 CN CN201320881252.0U patent/CN203773063U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058289A (en) * | 2019-03-11 | 2019-07-26 | 中国辐射防护研究院 | A kind of finger ring band for hand radiation dose monitoring |
| CN110058289B (en) * | 2019-03-11 | 2022-04-19 | 中国辐射防护研究院 | Ring belt for monitoring hand radiation dose |
| CN109884683A (en) * | 2019-03-12 | 2019-06-14 | 苏州瑞派宁科技有限公司 | A kind of radiation detector assembly |
| CN110988972A (en) * | 2019-10-12 | 2020-04-10 | 中国辐射防护研究院 | High-precision three-dimensional portable surface pollution instrument calibrating device |
| CN110988972B (en) * | 2019-10-12 | 2022-10-21 | 中国辐射防护研究院 | High-precision three-dimensional portable surface pollution instrument calibrating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |