JPS6068488U - Medium speed neutron monitor - Google Patents
Medium speed neutron monitorInfo
- Publication number
- JPS6068488U JPS6068488U JP16059783U JP16059783U JPS6068488U JP S6068488 U JPS6068488 U JP S6068488U JP 16059783 U JP16059783 U JP 16059783U JP 16059783 U JP16059783 U JP 16059783U JP S6068488 U JPS6068488 U JP S6068488U
- Authority
- JP
- Japan
- Prior art keywords
- detection member
- medium
- neutron monitor
- neutrons
- moderator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 1
- 238000005316 response function Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の中性子用フィルムバッジを用いたときの
中性子エネルギーに対する相対感度を示した曲線図、第
２図は両側に極めて薄いホウ素板を付着したプラスチッ
ク板から成る検出部材を示した図、第３図は第２図の検
出部材の拡大断面図、第４図は本考案のモニタを定置モ
＝りとして使用している状態を示した図、第５図は半球
形の減速材に検出部材を付着したモニタを示した底面図
、第６図は第５図のモニタの側面図、第７図は第５図の
モニタをベルトに装着した状態を示した斜視図、第８図
は板クリップに第５図のモニタを装着した状態を示した
側面図、第９図は第８図のモニタ付き板クリップを衣服
の胸ポケットに取り付けた状態を示した斜視図、第１０
図は種々の厚さのポリエチレン減速材を用いて中性子エ
ネルギーに対する応答関数を示したモンテカルロ計算に
よる曲線図、第１１図は加圧木型原子炉の格納容器内の
３箇所の位置Ａ、 Ｂ、 Ｃにおける中性子エネルギー
スペークトルを示した曲線図である。
１・・・・・・プラスチック板、２，２′・・・・・・
減速材、３・・・・・・ホウ素板、４・・・・・・検出
部材、５・・・・・・支持 −棒、６・・・・・・
支持台、７・・・・・・凹部、８・・・・・・ベルト用
金具、９・・・・・・板クリップ、１０．１０’・・・
・・・モニタ、１１・・・・・・ベルト、１２・・・・
・・胸ポケット。
中柱子エネルＶ−（Ｍｅｖ）
晃４図 児５８ｇ−Figure 1 is a curve diagram showing the relative sensitivity to neutron energy when using a conventional neutron film badge; Figure 2 is a diagram showing a detection member made of a plastic plate with extremely thin boron plates attached on both sides; Figure 3 is an enlarged cross-sectional view of the detection member in Figure 2, Figure 4 is a diagram showing the monitor of the present invention being used as a stationary monitor, and Figure 5 is a detection member on a hemispherical moderator. Fig. 6 is a side view of the monitor shown in Fig. 5, Fig. 7 is a perspective view showing the monitor shown in Fig. 5 attached to a belt, and Fig. 8 is a bottom view showing the monitor with parts attached. 9 is a side view showing the monitor shown in FIG. 5 attached to the clip; FIG. 9 is a perspective view showing the plate clip with monitor shown in FIG. 8 attached to the chest pocket of clothing; FIG.
The figure is a curve diagram obtained by Monte Carlo calculation showing the response function to neutron energy using polyethylene moderators of various thicknesses. Figure 11 shows three locations A, B, It is a curve diagram showing the neutron energy spectrum at C. 1...Plastic plate, 2, 2'...
Moderator, 3...Boron plate, 4...Detection member, 5...Support -rod, 6...
Support stand, 7... Recess, 8... Belt fittings, 9... Plate clip, 10.10'...
...Monitor, 11...Belt, 12...
...Chest pocket. Nakabashira Enel V-(Mev) Akira 4 figure Child 58g-
Claims (5)
にする高密度の減速材と、熱中性子に夛して感度を有す
る検出部材とを組み合わせて中速エネルギー領域の中性
子を測定する中速中性子用モニタ。(1) Medium speed that measures neutrons in the medium energy range by combining a high-density moderator that slows down neutrons in the medium energy range and turns them into thermal neutrons, and a detection member that is sensitive to thermal neutrons. Neutron monitor.
実用新案登録請求の範囲第１項記載の中速中性子用モニ
タ。(2) The intermediate speed neutron monitor according to claim 1, wherein the detection member is made of boron-containing plastic.
板ではさんだものである実用新案登録請求の範囲第１項
記載の中速中性子用モニタ。(3) The intermediate speed neutron monitor according to claim 1, wherein the detection member is a plastic plate sandwiched between boron-containing plates on both sides.
の球形のポリエチレン製の部材から成りその中心部に検
出部材が配設されている実用新案登録請求の範囲第１項
から第３項までのいずれか１つに記載の中速中性子用モ
ニタ。(4) The moderator has a radius of 2. 5C7? + to 4C7F+
A medium-speed neutron monitor according to any one of claims 1 to 3, which is made of a spherical polyethylene member and has a detection member disposed in the center thereof.
のポリエチレン製の部材から成りその最大半径面の中央
に検出部材が配設されている実用新案登録請求の範囲第
１項から第３項までのいずれか１つに記載の中速中性子
用モニタ。(5) The moderator is a hemispherical polyethylene member with a radius of 2.5cm to 4cm, and a detection member is disposed at the center of the maximum radius surface.Claims 1 to 3 of the Utility Model Registration Claims A monitor for medium-speed neutrons as described in any one of the preceding paragraphs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16059783U JPS6068488U (en) | 1983-10-19 | 1983-10-19 | Medium speed neutron monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16059783U JPS6068488U (en) | 1983-10-19 | 1983-10-19 | Medium speed neutron monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6068488U true JPS6068488U (en) | 1985-05-15 |
Family
ID=30353185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16059783U Pending JPS6068488U (en) | 1983-10-19 | 1983-10-19 | Medium speed neutron monitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6068488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991017462A1 (en) * | 1990-04-27 | 1991-11-14 | Hitachi, Ltd. | Neutron exposure dosimeter for individual use, neutron dose rate meter, neutron detector and method of producing them |
| JP2018059861A (en) * | 2016-10-07 | 2018-04-12 | 富士電機株式会社 | Radiation detection device |
-
1983
- 1983-10-19 JP JP16059783U patent/JPS6068488U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991017462A1 (en) * | 1990-04-27 | 1991-11-14 | Hitachi, Ltd. | Neutron exposure dosimeter for individual use, neutron dose rate meter, neutron detector and method of producing them |
| JP2018059861A (en) * | 2016-10-07 | 2018-04-12 | 富士電機株式会社 | Radiation detection device |
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