JP2547267Y2 - Temperature monitoring device - Google Patents
Temperature monitoring deviceInfo
- Publication number
- JP2547267Y2 JP2547267Y2 JP1990127751U JP12775190U JP2547267Y2 JP 2547267 Y2 JP2547267 Y2 JP 2547267Y2 JP 1990127751 U JP1990127751 U JP 1990127751U JP 12775190 U JP12775190 U JP 12775190U JP 2547267 Y2 JP2547267 Y2 JP 2547267Y2
- Authority
- JP
- Japan
- Prior art keywords
- spring
- temperature
- grooved sleeve
- grooved
- sleeve
- 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)
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、電力機器、配電線路装置等の導体接続部等
負過電流によって局部的に生ずる異常温度を監視する状
態に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial application field] The present invention relates to a state of monitoring an abnormal temperature locally generated by a negative overcurrent at a conductor connection portion of a power device, a distribution line device or the like.
電気エネルギーを搬送する装置や機器においては、負
荷電流によって導体に発熱を生じるが、その温度監視の
為にサーモラベル、サーモペイント等一定の温度で色彩
が変化する示温度材を貼付ける方法による上昇温度確認
の手法がとられている。In equipment and devices that transport electric energy, heat is generated in the conductor due to the load current, but the temperature rises due to the method of attaching a thermometer, thermopaint, etc., which changes color at a certain temperature to monitor the temperature. The method of temperature confirmation is taken.
しかし従来の方法では高所の色彩変化の確認が難しい
等の欠点が有った。However, the conventional method has drawbacks such as difficulty in confirming color changes at high places.
本考案は、特に充電部、盤内の狭い場所に取付けられ
た導体、MCCB端子台等の異常温度を、正確にかつ容易に
監視できる装置を開発したものである。The present invention has developed a device capable of accurately and easily monitoring abnormal temperatures, particularly of a live part, a conductor mounted in a narrow place in a panel, and an MCCB terminal block.
本考案は、所定の温度によって元の形状に回復する形
状記憶合金製リングバネにバイアスバネが積載され、か
つ、スリットが設けられて拡開、収縮が可能とされたリ
ング状のバネ組立体と、このバネ組立体が組み込まれる
溝が設けられた溝付スリーブと、この溝付スリーブの一
方に設けられた当該溝付スリーブを付勢するバネとを備
え、前記形状記憶合金製リングバネが所定温度になった
ときバイアスバネに抗して拡がることによりバネ組立体
が溝付スリーブの溝から外れて、溝付スリーブがこれを
付勢するバネにより移動するのを許容することを特徴と
する温度監視装置である。The present invention provides a ring-shaped spring assembly in which a bias spring is mounted on a shape memory alloy ring spring that recovers to an original shape at a predetermined temperature, and a slit is provided to enable expansion and contraction, A grooved sleeve provided with a groove into which the spring assembly is incorporated, and a spring provided on one of the grooved sleeves for biasing the grooved sleeve, wherein the shape memory alloy ring spring is brought to a predetermined temperature. A temperature monitoring device wherein the spring assembly is disengaged from the groove of the grooved sleeve by expanding against the bias spring when the spring becomes biased. It is.
所定の温度の変態点を有する形状記憶合金製リングバ
ネとバイアスバネを温度センサーとし、付勢バネの力に
よって移動する溝付スリーブにより、温度の異常を検知
する構造としたものである。即ち、異常温度上昇が感知
された場合、リングバネはバイアスバネに抗して外側に
拡がり、溝付スリーブの溝を外れるため、溝付スリーブ
はこれを付勢するバネにより移動するので、この溝付ス
リーブの移動により、異常温度を認識できる。A ring spring made of a shape memory alloy having a transformation point of a predetermined temperature and a bias spring are used as temperature sensors, and a grooved sleeve that is moved by the force of an urging spring detects a temperature abnormality. In other words, when an abnormal temperature rise is detected, the ring spring expands outward against the bias spring and comes out of the groove of the grooved sleeve, so that the grooved sleeve is moved by the spring for biasing the grooved sleeve. The abnormal temperature can be recognized by the movement of the sleeve.
尚、本考案の温度監視装置に、さらに、前記溝付スリ
ーブの移動方向に接触子を有するスイッチ機構と点滅ラ
ンプおよび外部警報装置と連絡する伝送回路のリード線
を設けておくと、これらにより異常温度上昇が感知され
た場合、ただちにコイルバネの駆動力が発生して接触子
が接触し、電気回路が構成されて点滅ランプが点灯して
異常を知らせると共に監視盤等と連絡する伝送回路によ
り警報を出すことができる。In addition, if the temperature monitoring device of the present invention is further provided with a switch mechanism having a contact in the moving direction of the grooved sleeve, a blinking lamp, and a lead wire of a transmission circuit for communicating with an external alarm device, abnormalities due to these are provided. When the temperature rise is detected, the driving force of the coil spring is generated immediately, the contacts come in contact, the electric circuit is formed, the blinking lamp lights up, the abnormality is notified, and the alarm is given by the transmission circuit that communicates with the monitoring panel etc. Can be put out.
また、この温度監視装置に、復帰ボタンを設けて、温
度が正常になったときにこれ押すことにより、溝付スリ
ーブを形状記憶合金製リングバネの位置に押し戻して停
止させるようにしておくと良い。Further, it is preferable that a return button be provided in the temperature monitoring device, and when the temperature becomes normal, this button is pressed to push the grooved sleeve back to the position of the ring spring made of a shape memory alloy and to stop the sleeve.
以下に本考案の実施例につき図面を参照して具体的に
説明する。Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
第１図は、本考案の一例を示す平面図、第２図は第１
図のＡ〜Ａ部の断面拡大図である。FIG. 1 is a plan view showing an example of the present invention, and FIG.
FIG. 2 is an enlarged cross-sectional view of a portion A to A in FIG.
第１図および第２図に示すように所定の温度により元
の形状に回復するNi−Ti合金などの形状記憶合金製リン
グバネ（１）とステンレス鋼などのバイアスバネ（２）
とからなるバネ組立体を黄銅などの熱伝導性の良い材料
からなる溝付スリーブ（３）へ組込み、この溝付スリー
ブの上部にプラスチックなどからなるロッド（４）を埋
込み、この溝付スリーブの移動方向に接触子（５）を付
けたスイッチ機構（６）と点滅ランプ（７）および外部
警報装置と連絡する伝送回路のリード線（８）を設ける
と共に溝付スリーブの一方にコイルバネ（９）を設け、
溝付スリーブを良熱伝導体のホルダー（10）を介してハ
ウジング（11）内に挿入して温度検知部を形成し、前記
のスイッチ機構に復帰ボタン（12）を設けたものであ。As shown in FIGS. 1 and 2, a ring spring made of a shape memory alloy such as a Ni-Ti alloy (1) and a bias spring made of a stainless steel (2) which recover their original shape at a predetermined temperature.
Is assembled into a grooved sleeve (3) made of a material having good heat conductivity such as brass, and a rod (4) made of plastic or the like is embedded in the upper part of the grooved sleeve. A switch mechanism (6) provided with a contact (5) in the moving direction, a flashing lamp (7), and a lead wire (8) of a transmission circuit communicating with an external alarm device are provided, and a coil spring (9) is provided on one of the grooved sleeves. Is established,
A grooved sleeve is inserted into a housing (11) via a good heat conductor holder (10) to form a temperature detecting portion, and the switch mechanism is provided with a return button (12).
なお前記の形状記憶合金製リングバネとバイアスバネ
とからなるバネ組立体は第３図に示すようにスリットを
設けて拡開、収縮が容易にできるようにしてある。The spring assembly comprising the shape memory alloy ring spring and the bias spring is provided with a slit as shown in FIG. 3 so that it can be easily expanded and contracted.
本考案の温度監視装置は良熱伝導体のハウジング（1
1）が感熱部となっており、付近の温度が異常に上昇す
ると、この熱はハウジング（11）、ホルダー（10）を通
じて形状記憶合金製リングバネにつたわり、リングバネ
はバイアスバネ（２）に抗して外側に拡がり溝付スリー
ブ（３）の溝を外れるため溝付スリーブは下方のコイル
バネ（９）により上方に押上げられロッド（４）が接触
子（５）を押上げて一方の接触子と接触し、スイッチ機
構（６）の回路が形成され、点滅ランプ（７）が点灯し
て温度の異常を知らせる。同時に警報装置（図示せず）
と連絡する伝送回路のリード線（８）にも電流が流れて
警報装置が働くものである。The temperature monitoring device of the present invention is a housing (1
1) is a heat sensitive part, and when the temperature in the vicinity rises abnormally, this heat is transferred to the shape memory alloy ring spring through the housing (11) and holder (10), and the ring spring resists the bias spring (2). As a result, the grooved sleeve is pushed up by the lower coil spring (9) to be disengaged from the groove of the grooved sleeve (3). And the circuit of the switch mechanism (6) is formed, and the blinking lamp (7) is turned on to notify the temperature abnormality. At the same time alarm device (not shown)
The current also flows through the lead wire (8) of the transmission circuit that communicates with the alarm, and the alarm device operates.
そして温度が正常になったとき、手動により復帰ボタ
ン（12）を下方に押して元に戻すスイッチ機構の回路が
切れるようになる。When the temperature becomes normal, the circuit of the switch mechanism for manually returning the return button (12) by pressing the return button (12) is cut off.
以上に説明したように本考案によれば、簡単な装置に
より、精度良く導電体などの異常温度を検知できるもの
で工業上顕著な効果を奏するものである。As described above, according to the present invention, an abnormal temperature of a conductor or the like can be accurately detected with a simple device, and has a remarkable industrial effect.
第１図は本考案の一実施例に係る温度監視装置の平面
図、第２図は、第１図Ａ〜Ａ部の断面拡大図、第３図は
形状記憶合金製リングバネとバイアスバネの平面図であ
る。 １…形状記憶合金製リングバネ、２…バイアスバネ、３
…溝付スリーブ、４…ロッド。FIG. 1 is a plan view of a temperature monitoring device according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view of a portion A to A in FIG. 1, and FIG. 3 is a plan view of a shape memory alloy ring spring and a bias spring. FIG. DESCRIPTION OF SYMBOLS 1 ... Shape memory alloy ring spring, 2 ... Bias spring, 3
... Slotted sleeve, 4 ... Rod.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭59−203922（ＪＰ，Ａ) 特開 昭59−203929（ＪＰ，Ａ) 特開 昭61−264704（ＪＰ，Ａ) 特開 昭63−241832（ＪＰ，Ａ) 特開 平３−255324（ＪＰ，Ａ) 実開 昭60−47975（ＪＰ，Ｕ) 実開 昭61−107096（ＪＰ，Ｕ) 実開 昭61−171146（ＪＰ，Ｕ) 実開 昭62−47842（ＪＰ，Ｕ) 実開 昭63−2347（ＪＰ，Ｕ) 実開 平１−58137（ＪＰ，Ｕ) 実公 昭35−8537（ＪＰ，Ｙ１) 実公 昭36−5835（ＪＰ，Ｙ１) ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-59-203922 (JP, A) JP-A-59-203929 (JP, A) JP-A-61-264704 (JP, A) JP-A-63-203 241832 (JP, A) JP-A-3-255324 (JP, A) JP-A-60-47975 (JP, U) JP-A-61-107096 (JP, U) JP-A-61-171146 (JP, U) Japanese Utility Model Showa 62-47842 (JP, U) Japanese Utility Model Showa 63-2347 (JP, U) Japanese Utility Model Hei 1-58137 (JP, U) Japanese Utility Model Showa 85-537 (JP, Y1) Japanese Utility Model Showa 36-5835 (JP, Y1)
Claims (1)
状記憶合金製リングバネにバイアスバネが積層され、か
つ、スリットが設けられて拡開、収縮が可能とされたリ
ング状のバネ組立体と、このバネ組立体が組み込まれる
溝が設けられた溝付スリーブと、この溝付スリーブの一
方に設けられた当該溝付スリーブを付勢するバネとを備
え、 前記形状記憶合金製リングバネが所定温度になったとき
バイアスバネに抗して拡がることによりバネ組立体が溝
付スリーブの溝から外れて、溝付スリーブがこれを付勢
するバネにより移動するのを許容することを特徴とする
温度監視装置。1. A ring-shaped spring assembly in which a bias spring is laminated on a ring spring made of a shape memory alloy which recovers an original shape at a predetermined temperature, and a slit is provided to enable expansion and contraction. A grooved sleeve provided with a groove into which the spring assembly is incorporated, and a spring provided on one of the grooved sleeves for biasing the grooved sleeve, wherein the shape memory alloy ring spring has a predetermined temperature. Temperature monitoring, wherein the spring assembly is disengaged from the groove of the grooved sleeve by expanding against the bias spring when the grooved sleeve is moved, and the grooved sleeve is allowed to move by the spring biasing the groove. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990127751U JP2547267Y2 (en) | 1990-11-30 | 1990-11-30 | Temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990127751U JP2547267Y2 (en) | 1990-11-30 | 1990-11-30 | Temperature monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485632U JPH0485632U (en) | 1992-07-24 |
| JP2547267Y2 true JP2547267Y2 (en) | 1997-09-10 |
Family
ID=31875239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990127751U Expired - Lifetime JP2547267Y2 (en) | 1990-11-30 | 1990-11-30 | Temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2547267Y2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59203922A (en) * | 1983-05-04 | 1984-11-19 | Shimadzu Corp | Flow rate and water temperature detector |
| JPH0313827Y2 (en) * | 1984-12-14 | 1991-03-28 | ||
| JPH047544Y2 (en) * | 1985-04-13 | 1992-02-27 | ||
| JPS6247842U (en) * | 1985-09-11 | 1987-03-24 | ||
| JPS632347U (en) * | 1986-06-20 | 1988-01-08 | ||
| JPS63241832A (en) * | 1987-03-30 | 1988-10-07 | 住友電気工業株式会社 | Temperature sensor |
| JPH0158137U (en) * | 1987-10-05 | 1989-04-11 |
-
1990
- 1990-11-30 JP JP1990127751U patent/JP2547267Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0485632U (en) | 1992-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |