JPH0340739U - - Google Patents
Info
- Publication number
- JPH0340739U JPH0340739U JP10054889U JP10054889U JPH0340739U JP H0340739 U JPH0340739 U JP H0340739U JP 10054889 U JP10054889 U JP 10054889U JP 10054889 U JP10054889 U JP 10054889U JP H0340739 U JPH0340739 U JP H0340739U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- external force
- pair
- action
- permanent magnets
- 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
- 239000000696 magnetic material Substances 0.000 claims description 5
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図は本考案のスイツチ装置の実施例を示す
断面図、第２図は同上の側面図、第３図ａ乃至ｃ
は各々実施例装置の動作説明図、第４図は本考案
の他の実施例装置の側面図、第５図ａ乃至ｃは従
来装置の動作説明図である。
１……スイツチ装置、２……リードスイツチ、
４……感温磁性体、５，６……永久磁石、７，８
……固定磁性体、９……可動磁性体。
Fig. 1 is a sectional view showing an embodiment of the switch device of the present invention, Fig. 2 is a side view of the same, and Figs. 3 a to c.
4 is a side view of another embodiment of the present invention, and FIGS. 5A to 5C are explanatory diagrams of the operation of the conventional device. 1...Switch device, 2...Reed switch,
4... Temperature-sensitive magnetic material, 5, 6... Permanent magnet, 7, 8
...Fixed magnetic material, 9...Movable magnetic material.
Claims (1)
開型の接点部を形成したリードスイツチと、この
リードスイツチの接点部外周に配置した感温磁性
体と、この感温磁性体の両側に配置した一対の永
久磁石と、前記両永久磁石の外側に各々配置した
一対の固定磁性体と、外力の不作用下で前記両固
定磁性体に接触し外力の作用下で両固定磁性体か
ら離脱する可動磁性体とを有し、外力の不作用下
では前記磁性体リード片を包含しない閉磁路を、
外力の作用下では前記磁性体リード片を閉じる閉
磁路を、外力の作用下で、かつ、周囲温度の変化
時には前記動作温度を境として磁性体リード片を
開閉させる磁路を各々形成するようにしたことを
特徴とするスイツチ装置。 A reed switch in which a pair of magnetic lead pieces are partially overlapped to form a normally open contact part, a temperature-sensitive magnetic material placed around the outer periphery of the contact part of this reed switch, and both sides of this temperature-sensitive magnetic material. a pair of permanent magnets arranged on the outside of the permanent magnets, a pair of fixed magnetic bodies arranged on the outside of both the permanent magnets, and a pair of fixed magnetic bodies that come into contact with both the fixed magnetic bodies in the absence of an external force and from both the fixed magnetic bodies under the action of an external force. a movable magnetic body that detaches, and a closed magnetic circuit that does not include the magnetic lead piece when no external force is applied;
A closed magnetic path that closes the magnetic lead piece under the action of an external force is formed, and a magnetic path that opens and closes the magnetic lead piece with the operating temperature as a boundary under the action of an external force and when the ambient temperature changes. A switch device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10054889U JPH0340739U (en) | 1989-08-30 | 1989-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10054889U JPH0340739U (en) | 1989-08-30 | 1989-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340739U true JPH0340739U (en) | 1991-04-18 |
Family
ID=31649551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10054889U Pending JPH0340739U (en) | 1989-08-30 | 1989-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340739U (en) |
-
1989
- 1989-08-30 JP JP10054889U patent/JPH0340739U/ja active Pending
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