JP4328185B2 - 電磁石 - Google Patents
電磁石 Download PDFInfo
- Publication number
- JP4328185B2 JP4328185B2 JP2003388836A JP2003388836A JP4328185B2 JP 4328185 B2 JP4328185 B2 JP 4328185B2 JP 2003388836 A JP2003388836 A JP 2003388836A JP 2003388836 A JP2003388836 A JP 2003388836A JP 4328185 B2 JP4328185 B2 JP 4328185B2
- Authority
- JP
- Japan
- Prior art keywords
- iron core
- magnetic flux
- plunger
- electromagnet
- leg
- 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.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 71
- 230000004907 flux Effects 0.000 claims description 69
- 238000010586 diagram Methods 0.000 description 9
- 230000003111 delayed effect Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Landscapes
- Electromagnets (AREA)
Description
即ち、始動時にコイルに電圧を印加しても、コイル巻線のインダクタンスにより電流が時間的に遅れながら増加する。電磁石の吸引力は電流により発生するので、吸引力は電流より遅れながら増加する。動作開始後の吸引力増加が遅れると動作に力がなく動作速度が遅くなる。このため、電磁石の動作速度は電流の増加に、言い換えれば、コイルの巻数に依存している。
ことが望まれる用途、例えば遮断器の投入、及び遮断操作があり、最高動作速度と最低動作速度の条件の差が大きいと、巾広い条件に対応するために裕度を大きくしなければならず、大型、高コストになっていた。
前記第2鉄心4に、この第2鉄心4の内側面4Bより前記通路部8にかけて傾斜面4Cを形成すると共に、前記プランジャー7の始動開始位置を、前記通路部8と傾斜面4Cにて形成された角部4D付近としたことを特徴とする。
始動開始位置Sにプランジャー7がセットされている。この状態で、コイル10に通電すると、図3のように磁束Φ1は、下部鉄心部4−プランジャー7一中央鉄心脚部6一上部鉄心部3一側脚部5A,5B一下部鉄心部4で形成された磁気回路を流れる。また漏洩磁束Φ2が傾斜面4Cに集められており、この集められた漏洩磁東Φ2が中央鉄心脚部6に漏れている。
つまり、小電流遅延高速動作電磁石を製作できる。
2…固定鉄心
3…上部鉄心部
4…下部鉄心部
4A…下部鉄心部端面
4B…下部鉄心部内側面
4C…傾斜面
4D…角部
5A,5B…側脚部
6…中央鉄心脚部
6A…中央鉄心脚部先端部
6B…直角部
7…プランジャー
7A…上部ロッド
7B…下部ロッド
7C…貫通穴
8…通路部
10…コイル
S…始動開始位置
Claims (2)
- 第1鉄心部と第2鉄心部と、前記第1鉄心部及び第2鉄心部の間に配置された複数の側脚部と、前記側脚部間の第1鉄心部に設けられた第1鉄心部から第2鉄心部方向に伸びる中央鉄心脚部とを備えた固定鉄心と、前記中央鉄心脚部と対向する第2鉄心部に設けられた通路部内に位置し、且つ中央鉄心脚部先端部に吸引力により接離するプランジャーと、前記固定鉄心内に配置された前記プランジャーを駆動させる磁束発生手段とを有する電磁石において、
前記第2鉄心部4に、この第2鉄心部4の内側面4Bより前記通路部8にかけて傾斜面4Cを形成すると共に、前記プランジャー7の始動開始位置を、前記通路部8と傾斜面4Cにて形成された角部4D付近としたことを特徴とする電磁石。 - 前記第2鉄心部4の通路部8に、この通路部8の途中から前記中央鉄心脚部先端部側にかけて通路部8の直径よりも大とした懐部20を形成したことを特徴とする請求項1記載の電磁石。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003388836A JP4328185B2 (ja) | 2003-11-19 | 2003-11-19 | 電磁石 |
EP04018469A EP1507271A3 (en) | 2003-08-12 | 2004-08-04 | Electromagnetic device |
SG200404488A SG109556A1 (en) | 2003-08-12 | 2004-08-06 | Electromagnetic device |
KR1020040062753A KR100602053B1 (ko) | 2003-08-12 | 2004-08-10 | 전자기 장치 |
US10/914,504 US7091807B2 (en) | 2003-08-12 | 2004-08-10 | Electromagnetic device |
TW093123867A TWI277114B (en) | 2003-08-12 | 2004-08-10 | Electromagnetic device |
CNB2004100574036A CN100466117C (zh) | 2003-08-12 | 2004-08-12 | 电磁装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003388836A JP4328185B2 (ja) | 2003-11-19 | 2003-11-19 | 電磁石 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005150579A JP2005150579A (ja) | 2005-06-09 |
JP4328185B2 true JP4328185B2 (ja) | 2009-09-09 |
Family
ID=34695760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003388836A Expired - Fee Related JP4328185B2 (ja) | 2003-08-12 | 2003-11-19 | 電磁石 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4328185B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2182531B1 (en) * | 2008-10-29 | 2014-01-08 | Sauer-Danfoss ApS | Valve actuator |
JP5093081B2 (ja) * | 2008-12-08 | 2012-12-05 | 日新電機株式会社 | 電磁操作器 |
JP2010278403A (ja) * | 2009-06-01 | 2010-12-09 | Denso Corp | リニアアクチュエータ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS595941Y2 (ja) * | 1977-11-16 | 1984-02-23 | 富士電機株式会社 | ソレノイド形電磁石 |
JPS5915053Y2 (ja) * | 1978-07-26 | 1984-05-04 | 本田技研工業株式会社 | ソレノイド装置 |
JPS55107078A (en) * | 1979-02-09 | 1980-08-16 | Toshiba Corp | Electromagnetic reciprocal fluid machine |
JPS6032734Y2 (ja) * | 1980-05-09 | 1985-09-30 | シ−ケ−デイコントロ−ルズ株式会社 | ソレノイド |
JPS57155371U (ja) * | 1981-03-24 | 1982-09-29 | ||
JPH0325371Y2 (ja) * | 1985-03-06 | 1991-06-03 |
-
2003
- 2003-11-19 JP JP2003388836A patent/JP4328185B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005150579A (ja) | 2005-06-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2009036328A (ja) | リニアソレノイド | |
JP4761913B2 (ja) | 電磁アクチュエータ | |
US4940958A (en) | Polarized electromagnetic apparatus | |
KR20170009983A (ko) | 폴 피스와 플럭스 슬리브의 정렬불량에 강한 솔레노이드 | |
JP2005528874A (ja) | 増加した比例ストロークを有するフォースモータ | |
JP5124048B2 (ja) | 釈放形電磁石装置 | |
JP4328185B2 (ja) | 電磁石 | |
EP2434503B1 (en) | Magnetic actuator with a non-magnetic insert | |
US4801910A (en) | Magnetic actuating mechanism | |
JP2004519981A (ja) | 比例ソレノイド形特性を有する長ストロークリニアボイスコイルアクチュエータ | |
JP3155152B2 (ja) | 比例ソレノイド | |
JP5712419B2 (ja) | ソレノイド | |
US5317294A (en) | Electromagnetic relay | |
US6831538B2 (en) | Linear voice coil actuator as a controllable electromagnetic compression spring | |
WO2023084558A1 (ja) | ソレノイドおよび開閉器 | |
JP2005353695A (ja) | 電磁石 | |
WO2022201373A1 (ja) | 電磁アクチュエータ | |
US20100141364A1 (en) | Electromagnet for an electrical contactor | |
JPH075611Y2 (ja) | 電磁装置 | |
JP2008147128A (ja) | 電磁接触器 | |
JP4065158B2 (ja) | ソレノイド | |
JP2008270356A (ja) | ソレノイド | |
JPH0262268A (ja) | アクチュエータ | |
JP2001280531A (ja) | 電磁弁装置 | |
JP2006097734A (ja) | 電磁アクチュエータ装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060803 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20070131 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20070131 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20081218 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090106 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090225 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090407 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090421 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090526 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090612 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120619 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4328185 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130619 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130619 Year of fee payment: 4 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130619 Year of fee payment: 4 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130619 Year of fee payment: 4 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130619 Year of fee payment: 4 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130619 Year of fee payment: 4 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |