JPS61120866U - - Google Patents
Info
- Publication number
- JPS61120866U JPS61120866U JP241685U JP241685U JPS61120866U JP S61120866 U JPS61120866 U JP S61120866U JP 241685 U JP241685 U JP 241685U JP 241685 U JP241685 U JP 241685U JP S61120866 U JPS61120866 U JP S61120866U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- reed switch
- door
- magnetic
- magnetic body
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図は本考案に係る扉開閉確認装置の実施例
を示す正面図、第２図は同側断面図、第３図はヨ
ーク外側面の磁気的中性線からの距離ｘと磁束密
度との関係を示すグラフ、第４図は距離ｘと角θ
の両者を変化させてリードスイツチの感動、開放
領域を求めたグラフである。
１……マグネツトキヤツチ、２……永久磁石、
３……ヨーク片、４……樹脂ケース、１０……リ
ードスイツチ。
Fig. 1 is a front view showing an embodiment of the door opening/closing confirmation device according to the present invention, Fig. 2 is a sectional view of the same side, and Fig. 3 shows the relationship between the distance x from the magnetic neutral line on the outer surface of the yoke and the magnetic flux density. Figure 4 is a graph showing the relationship between distance x and angle θ.
This graph shows the impression and open area of the reed switch by changing both of the above. 1...Magnetic catch, 2...Permanent magnet,
3...Yoke piece, 4...Resin case, 10...Reed switch.
Claims (1)
の両磁極面にそれぞれ配置されたヨークとを有し
ていて該ヨークの一方の端面で扉側磁性体を吸着
するマグネツトキヤツチと、前記ヨークの外側面
に対向するリードスイツチとを備え、前記扉側磁
性体吸着時の前記ヨークの前記リードスイツチに
及ぼす磁束密度が前記リードスイツチの開放値以
下であり、前記扉側磁性体離脱時の前記ヨークの
前記リードスイツチに及ぼす磁束密度を前記リー
ドスイツチの感動値以上となしたことを特徴とす
る扉開閉確認装置。 A magnetic catch that has a permanent magnet having magnetic poles formed on both end faces and a yoke disposed on both magnetic pole faces of the permanent magnet, and that attracts a door-side magnetic body with one end face of the yoke; and the yoke. a reed switch facing the outer surface of the yoke, the magnetic flux density exerted on the reed switch of the yoke when the door-side magnetic body is attracted is equal to or less than the open value of the reed switch, and when the door-side magnetic body is detached, the reed switch A door opening/closing confirmation device characterized in that the magnetic flux density exerted on the reed switch of the yoke is set to be equal to or higher than the impression value of the reed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP241685U JPS61120866U (en) | 1985-01-14 | 1985-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP241685U JPS61120866U (en) | 1985-01-14 | 1985-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61120866U true JPS61120866U (en) | 1986-07-30 |
Family
ID=30476075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP241685U Pending JPS61120866U (en) | 1985-01-14 | 1985-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61120866U (en) |
-
1985
- 1985-01-14 JP JP241685U patent/JPS61120866U/ja active Pending