JP5289267B2 - リードスイッチ制御装置 - Google Patents
リードスイッチ制御装置 Download PDFInfo
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- JP5289267B2 JP5289267B2 JP2009237092A JP2009237092A JP5289267B2 JP 5289267 B2 JP5289267 B2 JP 5289267B2 JP 2009237092 A JP2009237092 A JP 2009237092A JP 2009237092 A JP2009237092 A JP 2009237092A JP 5289267 B2 JP5289267 B2 JP 5289267B2
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- Prior art keywords
- reed switch
- magnetic shielding
- magnetic
- magnet
- region
- Prior art date
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- 235000014676 Phragmites communis Nutrition 0.000 title claims description 86
- 239000011521 glass Substances 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 9
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical group N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 24
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005415 magnetization Effects 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
前記磁気遮蔽部材は、帯板状に前記電極軸方向に延びる2つの磁気遮蔽部材からなり、第1の磁気遮蔽部材と第2の磁気遮蔽部材は、前記端子を挟んで反対側に設置され、かつ、前記第1と前記第2の磁気遮蔽部材それぞれの端部は、前記端子から離れてさらに電極軸方向に延びて連結部でU字形に連結されてなり、前記第1、第2磁気遮蔽部材それぞれが前記磁石からの磁束を分流する並列の磁路を構成した、ことを特徴とする。前記2つの磁気遮蔽部材は前記リードスイッチ端子の周囲に配置すれば磁束を分流する効果を持つので,一方を磁石との間に他方を磁石と遠い側においても良いし,前記リードスイッチ端子の周りに回転した他の角度で配置しても同様の効果が得られる。
3 リードスイッチ
31、32 リード片
33 ギャップ
35 端子
4 磁石
51、52、53 磁気遮蔽部材
54,55 連結部
Claims (2)
- リード片をガラス容器内に有し前記リード片に接続されて前記ガラス容器外に電極軸方向に延びる端子を備えたリードスイッチと、前記端子に沿って前記電極軸と平行に移動する磁石と、前記端子の周囲に配置されて前記磁石からの磁束が前記リードスイッチに達しないように磁束を分流する磁気遮蔽部材と、を具備するリードスイッチ制御装置において、
前記磁気遮蔽部材は、帯板状に前記電極軸方向に延びる2つの磁気遮蔽部材からなり、第1の磁気遮蔽部材と第2磁気遮蔽部材は、前記端子を挟んで反対側に設置され、かつ、前記第1と前記第2の磁気遮蔽部材それぞれの端部は、前記端子から離れてさらに電極軸方向に延びて連結部でU字形に連結されてなり、前記第1、第2磁気遮蔽部材それぞれが前記磁石からの磁束を分流する並列の磁路を構成した、ことを特徴とするリードスイッチ制御装置。 - 前記電極軸方向に延びる取り付け溝を備えたハウジングを備え、前記リードスイッチを前記ハウジングの前記取り付け溝に前記電極軸方向に沿って収納すると共に、前記2つの磁気遮蔽部材を前記U字形に連結して生じる弾性により、前記取り付け溝内部に自力で留まるようにした請求項1に記載のリードスイッチ制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009237092A JP5289267B2 (ja) | 2009-10-14 | 2009-10-14 | リードスイッチ制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009237092A JP5289267B2 (ja) | 2009-10-14 | 2009-10-14 | リードスイッチ制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011086433A JP2011086433A (ja) | 2011-04-28 |
JP5289267B2 true JP5289267B2 (ja) | 2013-09-11 |
Family
ID=44079236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009237092A Expired - Fee Related JP5289267B2 (ja) | 2009-10-14 | 2009-10-14 | リードスイッチ制御装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5289267B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080263324A1 (en) | 2006-08-10 | 2008-10-23 | Sehat Sutardja | Dynamic core switching |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52149372A (en) * | 1976-06-07 | 1977-12-12 | Fujitsu Ltd | Reed switch |
JP2008277051A (ja) * | 2007-04-26 | 2008-11-13 | Oki Sensor Device Corp | 磁気近接スイッチ |
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2009
- 2009-10-14 JP JP2009237092A patent/JP5289267B2/ja not_active Expired - Fee Related
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JP2011086433A (ja) | 2011-04-28 |
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