JPH071718Y2 - Temperature switch - Google Patents
Temperature switchInfo
- Publication number
- JPH071718Y2 JPH071718Y2 JP1589188U JP1589188U JPH071718Y2 JP H071718 Y2 JPH071718 Y2 JP H071718Y2 JP 1589188 U JP1589188 U JP 1589188U JP 1589188 U JP1589188 U JP 1589188U JP H071718 Y2 JPH071718 Y2 JP H071718Y2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- contact
- superconductor
- movable contact
- fixed contact
- 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 - Lifetime
Links
Landscapes
- Thermally Actuated Switches (AREA)
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は、超電動体の温度が臨界温度より低いか高いか
によって、マイスナー効果が発現したり消失する現象を
利用し、電気接点をON,OFFする温度スイッチに関する。[Detailed Description of the Invention] <Industrial application field> The present invention utilizes the phenomenon that the Meissner effect appears or disappears depending on whether the temperature of the supermotor is lower or higher than the critical temperature, and turns on the electrical contact. Regarding the temperature switch to turn off.
〈従来技術〉 温度スイッチとして次に示すようなものがあった。<Prior Art> The following are temperature switches.
１） バイメタルスイッチ ２） サーモスタット（温度変化による冷媒の膨脹，収
縮を利用して電気接点をON,OFFする） ３） 温度変化によるサーミスタ（又はポジスタ）の抵
抗値変化に基づいてスイッチング制御するもの。1) Bimetal switch 2) Thermostat (turns on and off electrical contacts by using expansion and contraction of refrigerant due to temperature change) 3) Switching control based on the change in resistance of the thermistor (or posistor) due to temperature change.
〈考案が解決しようとする課題〉 １） バイメタルスイッチでは温度応答性が比較的悪く
応答に時間を要する点。<Problems to be solved by the invention> 1) The temperature response of the bimetal switch is relatively poor and it takes time to respond.
２） サーモスタットは冷媒を密閉容器に封入したもの
であるので、構造が複雑で冷媒の漏洩防止に気を配らな
ければならない点。2) Since the thermostat is a refrigerant sealed in a sealed container, its structure is complicated and care must be taken to prevent leakage of the refrigerant.
３） サーミスタ（又はポジスタ）を用いるものは増幅
及び制御回路が必要なため高価となる点。3) The one using a thermistor (or posistor) is expensive because it requires an amplification and control circuit.
本考案は上記問題点の無い過電流防止器を提供せんとす
るものである。The present invention is intended to provide an overcurrent protector which does not have the above problems.
〈課題を解決するための手段〉 固定接点１と、可動接点２と、該可動接点２が固定接点
１から離れる方向の付勢力を与える付勢手段７と可動接
点側回路に配設した超電導体５と、該超電導体５のマイ
スナー効果を利用し上記付勢手段７の付勢力に抗して可
動接点２を固定接点１に接触させる磁界印加手段６とか
らなり、 超電導体５の磁界温度値を定格動作温度とする温度スイ
ッチにする。<Means for Solving the Problems> Fixed contact 1, movable contact 2, urging means 7 for applying an urging force in the direction in which movable contact 2 separates from fixed contact 1, and superconductor disposed in the movable contact side circuit. 5 and a magnetic field applying means 6 for bringing the movable contact 2 into contact with the fixed contact 1 against the biasing force of the biasing means 7 by utilizing the Meissner effect of the superconductor 5, and the magnetic field temperature value of the superconductor 5 Is a temperature switch whose rated operating temperature is.
〈作用〉 温度が超電動体の臨界温度未満のときには超電導体のマ
イスナー効果が発現し磁界印加手段の磁力により可動接
点が固定接点に接触してONとなる。<Operation> When the temperature is lower than the critical temperature of the supermotor, the Meissner effect of the superconductor appears and the magnetic force of the magnetic field applying means causes the movable contact to come into contact with the fixed contact and turn on.
そして、温度が超電導体の臨界温度以上になると、超電
導体のマイスナー効果が消失し、付勢手段の付勢力によ
り可動接点が固定接点から離れてOFFとなる。Then, when the temperature exceeds the critical temperature of the superconductor, the Meissner effect of the superconductor disappears, and the movable contact is separated from the fixed contact by the biasing force of the biasing means and is turned off.
〈実施例〉 本考案の一実施例を図面に基づき説明する。<Embodiment> An embodiment of the present invention will be described with reference to the drawings.
第１図は本考案によるON,OFF型温度スイッチの原理図で
あり、図中の１は固定接点、２は可動接点、３は支持部
４を支点として上・下に湾曲する可動接点板で、胴部に
超電動体５を配設し遊端部に可動接点２が固着されてい
る。超電導体５はイットリウム・バリウム・銅の酸化物
セラミックスからなり金属製接点板3aに一体的に取着さ
れ、臨界温度を温度スイッチの定格動作温度にしてい
る。FIG. 1 is a principle diagram of an ON / OFF type temperature switch according to the present invention. In the figure, 1 is a fixed contact, 2 is a movable contact, and 3 is a movable contact plate which bends up and down with a support 4 as a fulcrum. The super-electric body 5 is arranged on the body, and the movable contact 2 is fixed to the free end. The superconductor 5 is made of yttrium / barium / copper oxide ceramics and is integrally attached to the metal contact plate 3a to set the critical temperature to the rated operating temperature of the temperature switch.
尚、超電導体５は接点板3aの表面にスパッターによる薄
膜とか印刷法による厚膜を形成したものが好しい。又、
超電導体５は金属系のものでもよく種類を問わない。６
は超電導体５に磁界を印加する永久磁石、７は可動接点
２が固定接点１から離れる方向の付勢力を可動接点板３
に与えるコイルスプリングである。８は可動接点側端
子、９は固定接点側端子、10は切換えスイッチ用端子で
ある。The superconductor 5 is preferably formed by forming a thin film by sputtering or a thick film by a printing method on the surface of the contact plate 3a. or,
The superconductor 5 may be of metallic type and may be of any type. 6
Is a permanent magnet that applies a magnetic field to the superconductor 5, and 7 is an urging force in the direction in which the movable contact 2 separates from the fixed contact 1.
It is a coil spring to give to. Reference numeral 8 is a movable contact side terminal, 9 is a fixed contact side terminal, and 10 is a changeover switch terminal.
尚、固定接点１と可動接点２の十分なる接点圧を確保す
るように、永久磁石６の磁界の強さ，超電導体５の面
積，スプリング７の引張力を決定する必要があること勿
論である。Of course, it is necessary to determine the strength of the magnetic field of the permanent magnet 6, the area of the superconductor 5, and the tensile force of the spring 7 so as to secure a sufficient contact pressure between the fixed contact 1 and the movable contact 2. .
次に温度スイッチの動作を説明する。Next, the operation of the temperature switch will be described.
超電導体５の温度が臨界温度未満の場合には超電導体５
がマイナスー効果により永久磁石６から離れる方向に反
発力を受け、可動接点２が固定接点１と接触し端子８と
端子９とはON状態になる。When the temperature of the superconductor 5 is lower than the critical temperature, the superconductor 5
Receives a repulsive force in the direction away from the permanent magnet 6 due to the minus effect, the movable contact 2 comes into contact with the fixed contact 1, and the terminals 8 and 9 are turned on.
一方、臨界温度以上になった場合には、超電導体５がマ
イスナー効果を消失することにより永久磁石６からの反
発力が消失して、コイルスプリング７の付勢力で可動接
点２が固定接点１から離れ端子８と端子９とはOFF状態
になる。On the other hand, when the temperature exceeds the critical temperature, the superconductor 5 loses the Meissner effect, the repulsive force from the permanent magnet 6 disappears, and the movable contact 2 is moved from the fixed contact 1 by the urging force of the coil spring 7. The remote terminals 8 and 9 are turned off.
温度が再び臨界温度未満になれば超電導体５のマイスナ
ー効果が発現して永久磁石６から反発力を受け、可動接
点２と固定接点１とが接触して再び端子８と端子９とは
ON状態になる。When the temperature becomes lower than the critical temperature again, the Meissner effect of the superconductor 5 appears and the repulsive force is received from the permanent magnet 6, the movable contact 2 and the fixed contact 1 come into contact with each other, and the terminals 8 and 9 are separated from each other.
Turns on.
第２図は遮断型（OFF保持型）温度スイッチの原理図で
あり、第１図に示すものに対し、臨界温度以上の場合の
OFF状態を保持するフック機構11とその状態を解除する
リセットボタン12が付加されている点が異なる。Fig. 2 is a principle diagram of a cut-off type (OFF holding type) temperature switch.
The difference is that a hook mechanism 11 for holding the OFF state and a reset button 12 for releasing the state are added.
従って、臨界温度以上になって可動接点板３がコイルス
プリング７の付勢力で引き下げられた場合にはフック機
構11が噛み合い、端子８と端子９とのOFF状態が保持さ
れる。そしてリセットボタン12が押されてフック機構11
が解除されると、臨界温度未満の場合ON状態に復帰す
る。Therefore, when the movable contact plate 3 is pulled down by the urging force of the coil spring 7 when the temperature exceeds the critical temperature, the hook mechanism 11 engages and the OFF state of the terminals 8 and 9 is maintained. Then, the reset button 12 is pressed and the hook mechanism 11
When is released, it returns to the ON state when the temperature is below the critical temperature.
〈効果〉 本考案により、応答性が良くて安価な温度スイッチを提
供することができる。<Effect> According to the present invention, it is possible to provide an inexpensive temperature switch having good responsiveness.
第１図は本考案によるON,OFF型温度スイッチの原理図、
第２図は本考案による遮断型温度スイッチの原理図であ
る。 符号 1:固定接点、2:可動接点、3:可動接点板、5:超電導体、
6:永久磁石（磁界印加手段）、7:スプリングコイル（付
勢手段）。Fig. 1 shows the principle of the ON / OFF type temperature switch according to the present invention,
FIG. 2 is a principle view of a cut-off temperature switch according to the present invention. Code 1: Fixed contact, 2: Moving contact, 3: Moving contact plate, 5: Superconductor,
6: Permanent magnet (magnetic field applying means), 7: Spring coil (biasing means).
Claims (1)
定接点から離れる方向の付勢力を与える付勢手段と、可
動接点側回路に配設した超電導体と、該超電導体のマイ
スナー効果を利用し上記付勢手段の付勢力に抗して可動
接点を固定接点に接触させる磁界印加手段とからなり、 超電導体の臨界温度値を定格動作温度とする温度スイッ
チ。1. A fixed contact, a movable contact, an urging means for applying an urging force in a direction in which the movable contact separates from the fixed contact, a superconductor arranged in a circuit on the movable contact side, and a Meissner effect of the superconductor. And a magnetic field applying means for bringing the movable contact into contact with the fixed contact against the urging force of the urging means by using the temperature switch having the critical temperature value of the superconductor as the rated operating temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1589188U JPH071718Y2 (en) | 1988-02-09 | 1988-02-09 | Temperature switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1589188U JPH071718Y2 (en) | 1988-02-09 | 1988-02-09 | Temperature switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01121237U JPH01121237U (en) | 1989-08-17 |
| JPH071718Y2 true JPH071718Y2 (en) | 1995-01-18 |
Family
ID=31228343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1589188U Expired - Lifetime JPH071718Y2 (en) | 1988-02-09 | 1988-02-09 | Temperature switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071718Y2 (en) |
-
1988
- 1988-02-09 JP JP1589188U patent/JPH071718Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01121237U (en) | 1989-08-17 |
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