JPH0295141U - - Google Patents
Info
- Publication number
- JPH0295141U JPH0295141U JP252289U JP252289U JPH0295141U JP H0295141 U JPH0295141 U JP H0295141U JP 252289 U JP252289 U JP 252289U JP 252289 U JP252289 U JP 252289U JP H0295141 U JPH0295141 U JP H0295141U
- Authority
- JP
- Japan
- Prior art keywords
- reed switch
- magnet
- switch
- drive
- proximity
- 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.)
- Granted
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims description 14
- 230000004907 flux Effects 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 claims 2
- 239000002131 composite material Substances 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図は、本考案による近接スイツチの構成を
示す側面模式図。第２図ａは、第１図における駆
動磁石と補助磁石相互が遠隔位置にあるときの側
面模式図。第２図ｂは、第１図における駆動磁石
がリードスイツチの接点付近にあるときの側面模
式図。第２図ｃは、第１図における駆動磁石が補
助磁石と近接して並んだ時の側面模式図。第３図
は、従来の近接スイツチの構成を示す側面模式図
。第１表…本考案の近接スイツチの動作マージン
。第２表…従来の近接スイツチの動作マージン。
１……リードスイツチ、２……駆動磁石、３…
…補助磁石、４……（リードスイツチの）リード
引き出し線、５……（リードスイツチの）リード
、６……接点、７……（駆動磁石の移動する）軸
、８，９……合成磁束、Ｌ……リードスイツチの
縦軸とこれに平行に駆動磁石が移動する軸との軸
間距離、ＰＩ……リードスイツチの感動アンペア
タン、Ｏ……リードスイツチ動作、Ｘ……リード
スイツチ不動作。
FIG. 1 is a schematic side view showing the configuration of a proximity switch according to the present invention. FIG. 2a is a schematic side view when the drive magnet and auxiliary magnet in FIG. 1 are at remote positions. FIG. 2b is a schematic side view when the drive magnet in FIG. 1 is located near the contact point of the reed switch. FIG. 2c is a schematic side view when the driving magnet and the auxiliary magnet in FIG. 1 are arranged in close proximity. FIG. 3 is a schematic side view showing the configuration of a conventional proximity switch. Table 1: Operation margin of the proximity switch of the present invention. Table 2: Operation margin of conventional proximity switches. 1... Reed switch, 2... Drive magnet, 3...
... Auxiliary magnet, 4 ... (Reed switch) lead lead wire, 5 ... (Reed switch) lead, 6 ... Contact, 7 ... (Moving drive magnet) axis, 8, 9 ... Composite magnetic flux , L...Distance between the vertical axis of the reed switch and the axis along which the drive magnet moves parallel to this, PI...Emotional amperage tongue of the reed switch, O...Reed switch operation, X...Reed switch inoperation .
Claims (1)
の縦軸と着磁方向を平行にした駆動磁石を設けた
近接スイツチにおいて、前記リードスイツチの何
れか一方のリード引き出し線に、棒状の補助磁石
を前記駆動磁石の着磁方向と逆向きの極性に貫通
せしめて設け、前記駆動磁石がリードスイツチの
近傍を移動することにより、駆動磁石と補助磁石
との合成磁束を変化せしめてリードスイツチを駆
動させる事を特徴とする近接スイツチ。 In a proximity switch, a driving magnet is provided near the reed switch, and the magnetization direction is parallel to the vertical axis of the reed switch. The reed switch is provided with a polarity opposite to the magnetization direction of the reed switch, and when the drive magnet moves in the vicinity of the reed switch, the combined magnetic flux of the drive magnet and the auxiliary magnet is changed to drive the reed switch. Proximity switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP252289U JPH0716278Y2 (en) | 1989-01-11 | 1989-01-11 | Proximity switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP252289U JPH0716278Y2 (en) | 1989-01-11 | 1989-01-11 | Proximity switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0295141U true JPH0295141U (en) | 1990-07-30 |
| JPH0716278Y2 JPH0716278Y2 (en) | 1995-04-12 |
Family
ID=31203359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP252289U Expired - Lifetime JPH0716278Y2 (en) | 1989-01-11 | 1989-01-11 | Proximity switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716278Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200486831Y1 (en) * | 2016-12-06 | 2018-07-06 | 주식회사 케이 엠 티 | reed switch for magnetic sensor |
-
1989
- 1989-01-11 JP JP252289U patent/JPH0716278Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716278Y2 (en) | 1995-04-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |