JPH01105429A - Thermosensitive controller - Google Patents
Thermosensitive controllerInfo
- Publication number
- JPH01105429A JPH01105429A JP63119455A JP11945588A JPH01105429A JP H01105429 A JPH01105429 A JP H01105429A JP 63119455 A JP63119455 A JP 63119455A JP 11945588 A JP11945588 A JP 11945588A JP H01105429 A JPH01105429 A JP H01105429A
- Authority
- JP
- Japan
- Prior art keywords
- bimetal element
- temperature
- control device
- sensitive control
- bimetal
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7427—Adjusting only the electrothermal mechanism
- H01H71/7436—Adjusting the position (or prestrain) of the bimetal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
Landscapes
- Thermally Actuated Switches (AREA)
- Breakers (AREA)
- Temperature-Responsive Valves (AREA)
- Non-Reversible Transmitting Devices (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Vehicle Body Suspensions (AREA)
- Control Of Combustion (AREA)
- Control Of Temperature (AREA)
- Cookers (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、感温制御装置、特にバイメタル素子の動作を
利用して電気回路性の開閉を行なう感温制御装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a temperature-sensitive control device, and particularly to a temperature-sensitive control device that uses the operation of a bimetal element to open and close an electric circuit.
［従来の技術］
この種の装置には、従来、温度膨張係数が異なる２種類
の金属の細片を対にしたバイメタル素子が使用されてい
る。バイメタル素子は、一端（固定端）が固定され、他
端（自由端）が温度の変化に応して動くように設けられ
ている。バイメタル素子の温度は、周囲温度、バイメタ
ル素子を流れる電流による自己加熱、抵抗性発熱素子に
よる加熱、またはそれらの組み合せにより決まる。[Prior Art] This type of device has conventionally used a bimetal element, which is a pair of strips of two types of metals having different coefficients of thermal expansion. The bimetal element is provided so that one end (fixed end) is fixed and the other end (free end) moves in response to changes in temperature. The temperature of the bimetallic element is determined by the ambient temperature, self-heating due to current flowing through the bimetallic element, heating by a resistive heating element, or a combination thereof.
バイメタル素子の自由端には、自由端が所定の位置に移
動した時トリップ・ラッチ機構のような電気回路を開く
機構を作動させる作動部材と係合する係合部材が取り付
けられている。小さな電流しか流れない装置では、係合
部材自体を調節可能な接触端子として、通常この接触端
子が回路の固定接点に接触しており、所定の条件におい
て固定接点から離れて電気回路を開くようになっている
。Attached to the free end of the bimetallic element is an engagement member that engages an actuation member that actuates an electrical circuit opening mechanism, such as a trip latch mechanism, when the free end is moved into position. In devices where only small currents can flow, the engagement member itself is an adjustable contact terminal, which is usually in contact with a fixed contact of the circuit, and which, under predetermined conditions, moves away from the fixed contact to open the electrical circuit. It has become.
過大な電流が流れた時に作動するように設計された装置
では、バイメタル素子に接続された導電線と固定端を支
持する端子片とにより、バイメタル素子に電流が流され
る。In devices designed to operate when excessive current flows, current is passed through the bimetallic element by a conductive wire connected to the bimetallic element and a terminal strip supporting the fixed end.
第３図は、バイメタル素子を用いた従来の電流遮断器を
示す。６はハウジング、８は端子で、端子８にはハウジ
ング６の内部に延びる端子片１０が設けられている。端
子片１０にはバイメタル素子１２の一端１２ａが固定さ
れ、バイメタル素子Ｉ２の他端１２ｂには螺付きの係合
部材１６が取り付けられている。FIG. 3 shows a conventional current breaker using a bimetal element. 6 is a housing, 8 is a terminal, and the terminal 8 is provided with a terminal piece 10 extending inside the housing 6. One end 12a of a bimetal element 12 is fixed to the terminal piece 10, and a threaded engagement member 16 is attached to the other end 12b of the bimetal element I2.
バイメタル素子１２０両端の間には、可撓性の導電線１
３が溶接されている。導電線１３の他端は、遮断器の１
方の回路に接続されている（図示されていない）。A flexible conductive wire 1 is connected between both ends of the bimetal element 120.
3 is welded. The other end of the conductive wire 13 is connected to 1 of the circuit breaker.
(not shown).
バイメタル素子１２は、温度に応じて変形する。Bimetal element 12 deforms depending on temperature.
バイメタル素子１２の温度は、主として導線１３から端
子８ヘバイメタル素子１２を通って流れる電流により決
まる。電流が所定の値を越えると、発熱によりバイメタ
ル素子１２の温度が上昇し、バイメタル素子１２が固定
端１２ａのまわりに反時計方向に曲がり、係合部材１６
がトリップ・うッチ機構の作動部材１４に係合して回路
が開く。The temperature of the bimetal element 12 is determined primarily by the current flowing from the conductor 13 to the terminal 8 and through the bimetal element 12. When the current exceeds a predetermined value, the temperature of the bimetal element 12 increases due to heat generation, and the bimetal element 12 bends counterclockwise around the fixed end 12a, causing the engagement member 16 to bend.
engages the actuating member 14 of the trip/catch mechanism to open the circuit.
［発明が解決しようとする課題］
上記のような従来の遮断器には、次のような問題点があ
った。[Problems to be Solved by the Invention] The conventional circuit breaker as described above has the following problems.
（ａ）バイメタル素子１２に、係合部材１６を螺合する
ためのねし穴のタッピング（ねし立て）を行なわなけれ
はならない。(a) It is necessary to tap a tapped hole in the bimetal element 12 in order to screw the engaging member 16 into the bimetal element 12.
（ｂ）装置の設定には、ドライバによる係合部材１６の
調節（便利なものは窓穴１８を通して行なうようになっ
ている）が含まれる。この調節時にバイメタル素子１２
に力が加わり、バイメタル素子の変形が避けられない。(b) Setting up the device includes adjusting the engagement member 16 by means of a screwdriver (conveniently through aperture 18). During this adjustment, the bimetal element 12
force is applied to the bimetal element, and deformation of the bimetal element is unavoidable.
そのため所望の条件で作動するように正確に設定するこ
とが困難である。Therefore, it is difficult to accurately set the device to operate under desired conditions.
（ｃ）端子８の端子片ｌＯがバイメタル素子１２から熱
を奪うので、装置が作動する条件が変動する。(c) Since the terminal piece lO of the terminal 8 removes heat from the bimetal element 12, the conditions under which the device operates changes.
本発明は、バイメタルの設定が容易で、かつ所望の条件
で作動するように正確に設定することができる感温制御
装置を提供することを目的としている。SUMMARY OF THE INVENTION An object of the present invention is to provide a temperature-sensitive control device in which bimetallic settings are easy and can be accurately set to operate under desired conditions.
［課題を解決するための手段および作用］上記目的を達
成するために、本発明による感温制御装置は、バイメタ
ル素子の中間部すなわち両端の間を回動自在に支持し、
かつ前記回動支持点のまわりにバイメタル素子を回動さ
せる調節手段を設けたものである。[Means and operations for solving the problem] In order to achieve the above object, the temperature-sensitive control device according to the present invention rotatably supports the intermediate portion of the bimetal element, that is, between both ends,
Further, adjustment means for rotating the bimetal element around the rotation support point is provided.
前記調節手段は、バイメタル素子の一端を回動させ、そ
れによって他端をトリップ・ラッチ機構の作動部材や固
定接点に対して近づけたり遠ざけたりすることができる
ことが望ましい。また調節具をバイメタル素子に直接接
触させることなく、特にバイメタル素子を歪めたり、短
絡を引き起こしたりする恐れのある接触なしに、調節で
きることが望ましい。Preferably, the adjusting means is capable of pivoting one end of the bimetallic element, thereby moving the other end toward or away from the actuating member or fixed contact of the trip latch mechanism. It would also be desirable to be able to adjust the adjustment device without having to make direct contact with the bimetallic element, especially without contact that could distort the bimetallic element or cause a short circuit.
したがって、調節手段は、装置のハウジングに支持され
る螺条付き部材と、バイメタル素子と係合し螺条付き部
材の位置調節に応じてバイメタル素子を回動させる係合
面を有するのが望ましい。Preferably, therefore, the adjustment means includes a threaded member supported by the housing of the device and an engagement surface that engages the bimetallic element and rotates the bimetallic element in response to adjustment of the position of the threaded member.
また、前記係合面はバイメタル素子を一方向に押動する
ように係合し、ばねによりバイメタル素子をその反対方
向に付勢することにより、前記螺条付き部材の位置調節
に応じてバイメタル素子を動かすようにするのが好まし
い。Further, the engagement surface engages the bimetal element so as to push it in one direction, and the spring urges the bimetal element in the opposite direction, so that the bimetal element is moved in accordance with the position adjustment of the threaded member. It is preferable to move the .
このように本発明による感温制御装置は、バイメタル素
子を変形させることなく調節することができるので、所
望の動作条件のもとて、バイメタル素子が閉しるかまた
は開くまで、簡単にそして迅速に調節することができる
。Thus, the temperature-sensitive control device according to the invention can be adjusted without deforming the bimetallic element, so that it can be easily and quickly adjusted until the bimetallic element closes or opens under the desired operating conditions. can be adjusted to
バイメタル素子は、装置のハウジングに固定して支持手
段により回動自在に支持するのが望ましい。特に、バイ
メタル素子をナイフ・エッジの間に挟持するのが望まし
い。Preferably, the bimetal element is fixed to the housing of the device and rotatably supported by support means. In particular, it is desirable to sandwich the bimetallic element between knife edges.
本発明によれば、また、
（ａ）ハウシング、
（ｂ）ハウジング内に収容された、熱膨張係数の異なる
２種類の金属細片を対にしたバイメタル素子、
＝９−
（ｃ）ハウジング内において、バイメタル素子の一端部
の近くに配置されたトリップ・ラッチ機構の作動部材ま
たは固定接点、および（ｄ）バイメタル素子に接続され
た導電線から成り、前記バイメタル素子が、両端の間の
適宜な位置をハウジングに固定された回動支持手段によ
り回動自在に支持され、さらに前記バイメタル素子の、
前記作動部材または固定接点と反対側の端部に、バイメ
タル素子を前記回動支持手段のまわりに回動させ前記作
動部材または固定接点側の端部を作動部材または固定接
点に対して近付けたり遠ざけたりする調節手段が設けら
れた遮断器が提供される。According to the present invention, (a) a housing, (b) a bimetal element housed in the housing and made of a pair of two types of metal strips having different coefficients of thermal expansion, =9- (c) in the housing. , an actuating member or fixed contact of the trip-latch mechanism disposed proximate one end of the bimetallic element, and (d) a conductive wire connected to the bimetallic element, the bimetallic element being at a suitable position between the ends. of the bimetal element is rotatably supported by a rotation support means fixed to the housing, and
A bimetal element is rotated around the rotation support means at the end opposite to the actuating member or the fixed contact to bring the end on the actuating member or the fixed contact closer to or away from the actuating member or the fixed contact. A circuit breaker is provided which is provided with adjustment means for adjusting the circuit breaker.
［実施例］
次に本発明による感温制御装置の好ましい一実施例につ
き、図面を用いて詳細に説明する。[Embodiment] Next, a preferred embodiment of the temperature-sensitive control device according to the present invention will be described in detail with reference to the drawings.
第１図は、本発明の好ましい実施例の小型遮断器を示す
。第３図に示す従来技術の小型遮断器と同じ部品には、
同じ参照番号を使用している。FIG. 1 shows a miniature circuit breaker according to a preferred embodiment of the invention. The same parts as the conventional small circuit breaker shown in Figure 3 include:
Use the same reference number.
本実施例において、バイメタル素子１２は、その中間部
が支持手段２０にまり回動自在に支持されている。支持
手段２０は、プレスされた金属片（第２図に拡大して示
されている）で、その両側縁がハウジング６内に設けら
れた溝１９内に挿入されて固定されている。支持手段２
０には、可撓性のナイフェツジ２２が設けられており、
バイメタル素子１２はこれらのナイフェツジの間に挟持
されている。In this embodiment, the bimetal element 12 is rotatably supported by the support means 20 at its intermediate portion. The support means 20 is a pressed metal piece (shown enlarged in FIG. 2) whose side edges are inserted into grooves 19 provided in the housing 6 and fixed therein. Support means 2
0 is provided with a flexible knife 22,
A bimetal element 12 is sandwiched between these knives.
バイメタル素子１２の下端部１２ａには、調節手段２４
が係合している。調節手段２４は、一端部がハウジング
内に保持されたボス２８の穴に挿通されて摺動自在に支
持され、他端部がボス２８に対向してハウジング６に設
けられたねし穴３０に螺合する軸２６を含む。軸２６を
ドライバのような道具により回転させ、ねじ穴３０との
岬合により軸方向に移動させることができるように開口
１８が設けられている。At the lower end 12a of the bimetal element 12, an adjusting means 24 is provided.
is engaged. One end of the adjusting means 24 is inserted into a hole in a boss 28 held within the housing and is slidably supported, and the other end is screwed into a threaded hole 30 provided in the housing 6 facing the boss 28. including a mating shaft 26. An opening 18 is provided so that the shaft 26 can be rotated by a tool such as a screwdriver and moved axially by mating with a screw hole 30.
軸２６には、バイメタル素子１２に１側から係合するフ
ランジ３２が設けられている。バイメタｌＩ−
非素子１２の他側には、ばね３４が係合しており、バイ
メタル素子１２をフランジ３２に対して付勢し押圧して
いる。ばね３４の他端はボス２８に当接している。軸２
６を１方向に回転させると、フランジ３２が、ばね３４
の付勢力に抗して、バイメタル素子１２を支持手段２０
のまわりに図で反時計方向に回動させる。軸２６を反対
方向に回転させると、バイメタル素子１２は、ばね３４
に押されて時計方向に回動する。The shaft 26 is provided with a flange 32 that engages the bimetal element 12 from one side. A spring 34 is engaged with the other side of the bimetallic element 12, urging and pressing the bimetallic element 12 against the flange 32. The other end of the spring 34 is in contact with the boss 28. axis 2
6 in one direction, the flange 32
The bimetal element 12 is supported by the supporting means 20 against the urging force of
Rotate counterclockwise as shown in the figure. When shaft 26 is rotated in the opposite direction, bimetallic element 12
is pushed and rotates clockwise.
上記構成において、ボス２８の代りにねし穴を備えたナ
ツトを用い、ねじ穴３０をねし無しの穴にすることもで
きる。In the above configuration, a nut with a tapped hole may be used instead of the boss 28, and the screw hole 30 may be a hole without a tapped hole.
バイメタル素子１２０両端部には、それぞれ、柔軟性の
ある導線１３ａおよび１３ｂが溶接されている。一方の
導線１３ａは、端子８に接続されている。Flexible conducting wires 13a and 13b are welded to both ends of the bimetal element 120, respectively. One conductor 13a is connected to the terminal 8.
この遮断器において、通常の動作状態では、バイメタル
素子１２が、第１図に示す位置、すなわち端部１２ｂが
トリップ・ラッチ機構の作動部材１４から離間した位置
にある。しかしながら過負＝１２−
荷により過大な電流が流れた時には、バイメタル素子１
２を流れる電流による発熱によりバイメタル素子１２が
湾曲する。そのためバイメタル素子１２の端部１２ｂが
作動部材１４に係合し、ラッチが解除されて回路が開か
れる。In this circuit breaker, under normal operating conditions, the bimetallic element 12 is in the position shown in FIG. 1, with the end 12b spaced apart from the actuating member 14 of the trip latch mechanism. However, when excessive current flows due to overload = 12- load, bimetal element 1
The bimetal element 12 bends due to heat generated by the current flowing through the bimetal element 12. The end 12b of the bimetallic element 12 therefore engages the actuating member 14, releasing the latch and opening the circuit.
［発明の効果コ
本発明の感温制御装置は、上記のように構成されている
ので、従来技術のように、バイメタル素子１２に、係合
部材１６を取り付けるためのねし立てをする必要がなく
なる。また従来技術のようにバイメタル素子１２の一端
を端子片１０に固着しないので、端子片１０を通して熱
が逃げるのを避けることができる。さらに調節手段２４
による調節において、バイメタル素子１２に、変形を生
じさせるような力が加わらないので、バイメタル素子１
２の変形を防ぐことができる。そのため、所望の条件に
おいてトリップ・ラッチが外れるように、バイメタル素
子１２の位置を正確に調節することができる。[Effects of the Invention] Since the temperature-sensitive control device of the present invention is configured as described above, it is not necessary to erect the bimetal element 12 to attach the engaging member 16 as in the prior art. It disappears. Further, since one end of the bimetal element 12 is not fixed to the terminal piece 10 as in the prior art, heat can be prevented from escaping through the terminal piece 10. Furthermore, the adjustment means 24
During the adjustment, no force that would cause deformation is applied to the bimetal element 12.
2 deformation can be prevented. Therefore, the position of the bimetal element 12 can be precisely adjusted so that the trip latch is released under desired conditions.
なお上記実施例では、過負荷時に、バイメタル素子１２
を流れる電流による発熱によりバイメタル素子１２が湾
曲し、トリップ・ラッチが外れて回路が開くようになっ
ているが、バイメタル素子１２に電流を流さないかまた
は流れる電流の大きさを適宜に調節することにより、周
囲温度のみ、または周囲温度と電流の組み合せにより作
動するようにすることもできる。さらに上記実施例では
、バイメタル素子１２の自由端１２ｂがトリップ・ラッ
チ等の作動部材に係合して間接的に回路を開くようにな
っているが、バイメタル素子１２の自由端１’２ｂが常
時回路の固定接点に接触するようにして、所望の条件で
回路を開くようにすることもできる。Note that in the above embodiment, when overloaded, the bimetal element 12
The bimetal element 12 is bent due to the heat generated by the current flowing through the bimetal element 12, and the trip latch is released and the circuit is opened. Accordingly, it is also possible to operate based on ambient temperature alone or a combination of ambient temperature and current. Further, in the above embodiment, the free end 12b of the bimetal element 12 engages with an actuating member such as a trip latch to indirectly open the circuit, but the free end 1'2b of the bimetal element 12 is always It may also be possible to contact fixed contacts of the circuit so as to open the circuit under desired conditions.
第１図は、本発明による感温制御装置の一実施例である
遮断器の断面図である。
第１ｂ図は、バイメタル素子の支持手段の拡大図である
。
第２図は、第１図に示す遮断器の部分拡大図である。
第３図は、従来の感温遮断器の断面図である。
６・・ハウジング １２・・バイメタル素子１３ａ
、１３ｂ・・導電線
１４・・作動部材 ２ｏ・・支持手段２２・・ナ
イフ・エッジ ２４・・調節手段２６・・軸
３２・φフランジ３４・・ばねFIG. 1 is a sectional view of a circuit breaker which is an embodiment of a temperature-sensitive control device according to the present invention. FIG. 1b is an enlarged view of the support means for the bimetallic element. FIG. 2 is a partially enlarged view of the circuit breaker shown in FIG. 1. FIG. 3 is a sectional view of a conventional temperature-sensitive circuit breaker. 6. Housing 12. Bimetal element 13a
, 13b... Conductive wire 14... Operating member 2o... Supporting means 22... Knife edge 24... Adjusting means 26... Shaft
32・φflange 34・・Spring
Claims (1)
、バイメタル素子（１２）の中間部を回動自在に支持し
、かつバイメタル素子（１２）を回動支持点のまわりに
回動する調節手段（２４）を設けた感温制御装置。 ２、前記調節手段（２４）が、バイメタル素子（１２）
の一端部（１２ａ）を回動支持点のまわりに回動させ、
バイメタル素子（１２）の他端部（１２ｂ）を作動部材
（１４）もしくは固定接点に対して近づけたり遠ざけた
りする調節手段である請求項１記載の感温制御装置。 ３、バイメタル素子（１２）の前記一端部（１２ａ）を
、バイメタル素子（１２）に調節具を接触させることな
く回動させることができる請求項２記載の感温制御装置
。 ４、前記調節手段（２４）が、装置のハウジング（６）
に支持された螺条付き部材（２６）と、バイメタル素子
（１２）と係合し螺条付き部材（２６）の移動に応じて
バイメタル素子（１２）を押し動かす係合部（３２）を
備えている請求項１から３のいずれかに記載に感温制御
装置。 ５、前記係合部（３２）がバイメタル素子（１２）を一
方向に押し動かし、バイメタル素子（１２）がばね（３
４）により付勢され前記係合部（３２）に対して押圧さ
れる請求項４記載の感温制御装置。 ６、前記調節手段（２４）の全体または少なくとも一部
分が熱絶縁材から成る請求項１から４のいずれかに記載
の感温制御装置。 ７、バイメタル素子（１２）が、装置のハウジング（６
）に固定した支持手段（２０）により回動自在に支持さ
れた請求項１から６のいずれかに記載の感温制御装置。 ８、前記支持手段（２０）が、バイメタル素子（１２）
を、ナイフ・エッジ（２２）で挟持する請求項７記載の
感温制御装置。 ９、バイメタル素子（１２）に導電線（１３ａ、１３ｂ
）を接続してバイメタル素子（１２）を通して電流を流
し、バイメタル素子（１２）が周囲温度と電流の組み合
せに応じて湾曲するようにした請求項１から８のいずれ
かに記載の感温制御装置。 １０、電気回路を開閉する遮断器にして、 （ａ）ハウジング（６）、 （ｂ）ハウジング（６）内に収容された、温度膨張係数
の異なる２種類の金属の細 片を対にしたバイメタル素子（１２）、 （ｃ）ハウジング（６）内において、バイメタル素子（
１２）の一端部の近くに配 置されたトリップ・ラッチ機構の作動 部材または固定端子（１４）、および （ｄ）バイメタル素子（１２）を通して電流を流すよう
にバイメタル素子（１２） に接続された導電線（１３ａ、１３ｂ） から成り、バイメタル素子（１２）がその中間部を支持
手段（２０）により回動自在に支持され、かつバイメタ
ル素子（１２）の前記作動部材または固定端子（１４）
と反対側の端部（１２ａ）に調節手段（２６、３２、３
４）が設けられており、該調節手段（２６、３２、３４
）によりバイメタル素子（１２）が回動支持点のまわり
に回動されて作動部材または固定端子（１４）側の端部
（１２ｂ）が作動部材または固定端子（１４）に対して
近付く方向または離れる方向に回動される遮断器。[Claims] 1. A temperature-sensitive control device that senses temperature and performs control operations, rotatably supports the intermediate portion of the bimetal element (12), and rotatably supports the bimetal element (12). Temperature-sensitive control device provided with adjustment means (24) rotating around a point. 2. The adjustment means (24) is a bimetal element (12)
Rotate one end (12a) of around the rotation support point,
2. The temperature-sensitive control device according to claim 1, further comprising adjusting means for moving the other end (12b) of the bimetal element (12) closer to or farther away from the actuating member (14) or the fixed contact. 3. The temperature-sensitive control device according to claim 2, wherein the one end (12a) of the bimetal element (12) can be rotated without bringing an adjustment tool into contact with the bimetal element (12). 4. The adjustment means (24) are connected to the housing (6) of the device.
a threaded member (26) supported by the threaded member (26), and an engaging portion (32) that engages with the bimetal element (12) and pushes the bimetal element (12) in response to movement of the threaded member (26). The temperature-sensitive control device according to any one of claims 1 to 3. 5. The engaging portion (32) pushes and moves the bimetal element (12) in one direction, and the bimetal element (12)
5. The temperature-sensitive control device according to claim 4, wherein the temperature-sensitive control device is urged against the engaging portion (32). 6. The temperature-sensitive control device according to claim 1, wherein the adjusting means (24) is entirely or at least partially made of a thermally insulating material. 7. The bimetal element (12) is attached to the housing (6) of the device.
7. The temperature-sensitive control device according to claim 1, wherein the temperature-sensitive control device is rotatably supported by support means (20) fixed to the temperature-sensitive control device. 8. The support means (20) is a bimetal element (12)
The temperature-sensitive control device according to claim 7, wherein the temperature-sensitive control device is sandwiched between knife edges (22). 9. Connect the conductive wires (13a, 13b) to the bimetal element (12).
) is connected to flow an electric current through the bimetal element (12), so that the bimetal element (12) curves depending on the combination of ambient temperature and electric current. . 10. A bimetallic circuit breaker that opens and closes an electric circuit, consisting of a pair of two types of metal strips with different coefficients of thermal expansion, housed in (a) housing (6), (b) housing (6). element (12), (c) inside the housing (6), the bimetal element (
(12) an actuating member or fixed terminal (14) of the trip latch mechanism disposed near one end; and (d) an electrically conductive member connected to the bimetallic element (12) to conduct current through the bimetallic element (12). The bimetal element (12) is rotatably supported at its intermediate portion by the support means (20), and the operating member or fixed terminal (14) of the bimetal element (12)
The adjusting means (26, 32, 3
4) are provided, and the adjusting means (26, 32, 34
), the bimetal element (12) is rotated around the rotation support point so that the end (12b) on the operating member or fixed terminal (14) side approaches or moves away from the operating member or fixed terminal (14). A circuit breaker that is rotated in the direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8711794A GB2205998B (en) | 1987-05-19 | 1987-05-19 | Temperature responsive devices |
| GB8711794 | 1987-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105429A true JPH01105429A (en) | 1989-04-21 |
Family
ID=10617578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63119455A Pending JPH01105429A (en) | 1987-05-19 | 1988-05-18 | Thermosensitive controller |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0291835B1 (en) |
| JP (1) | JPH01105429A (en) |
| AT (1) | ATE86789T1 (en) |
| DE (1) | DE3878979T2 (en) |
| GB (1) | GB2205998B (en) |
| MY (1) | MY103275A (en) |
| ZA (1) | ZA883336B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2285886A (en) * | 1994-01-21 | 1995-07-26 | Square D Co | Circuit breaker |
| FR2753835B1 (en) * | 1996-09-23 | 1998-10-30 | THERMAL TRIGGERING DEVICE FOR PROTECTIVE APPARATUS | |
| FR3045931B1 (en) * | 2015-12-21 | 2017-12-22 | Schneider Electric Ind Sas | DEVICE FOR ASSEMBLING A BILAME AND A COMPONENT FORMING THE SUPPORT OF THIS BILAME AND ELECTRICAL PROTECTION APPARATUS COMPRISING IT. |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB565252A (en) * | 1943-06-02 | 1944-11-02 | Oliver Hawkes Goulstone | Improvements in snap action mechanism applicable for making and breaking electric contacts |
| GB587807A (en) * | 1945-01-13 | 1947-05-06 | Brookhirst Switchgear Ltd | Improvements in or relating to heat sensitive devices |
| GB778175A (en) * | 1954-10-15 | 1957-07-03 | Voigt & Haeffner Ag | Improvements in or relating to arrangements for heating vehicles |
| US3249720A (en) * | 1962-02-19 | 1966-05-03 | Ite Circuit Breaker Ltd | Thermal trip unit with calibrating adjustment |
| US3213243A (en) * | 1962-06-21 | 1965-10-19 | Westinghouse Electric Corp | Thermal overload relay with reset means |
| US3265832A (en) * | 1964-01-16 | 1966-08-09 | Gen Electric | Electrical control device with adjustable calibration locking means |
| US3265837A (en) * | 1964-10-22 | 1966-08-09 | Gen Electric | Electric circuit breaker provide with an improved terminal strap for mounting a bimetal element |
| US3869688A (en) * | 1974-01-24 | 1975-03-04 | Westinghouse Electric Corp | Customer adjustment switch assembly |
| US4030060A (en) * | 1976-02-26 | 1977-06-14 | Westinghouse Electric Corporation | Thermally adjustable circuit breaker |
| DE2625716C3 (en) * | 1976-06-09 | 1979-10-11 | E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen | Power control unit |
| US4630019A (en) * | 1984-09-28 | 1986-12-16 | Westinghouse Electric Corp. | Molded case circuit breaker with calibration adjusting means for a bimetal |
-
1987
- 1987-05-19 GB GB8711794A patent/GB2205998B/en not_active Expired - Fee Related
-
1988
- 1988-05-06 MY MYPI88000478A patent/MY103275A/en unknown
- 1988-05-11 DE DE8888107560T patent/DE3878979T2/en not_active Expired - Fee Related
- 1988-05-11 ZA ZA883336A patent/ZA883336B/en unknown
- 1988-05-11 AT AT88107560T patent/ATE86789T1/en not_active IP Right Cessation
- 1988-05-11 EP EP88107560A patent/EP0291835B1/en not_active Expired - Lifetime
- 1988-05-18 JP JP63119455A patent/JPH01105429A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3878979D1 (en) | 1993-04-15 |
| GB2205998A (en) | 1988-12-21 |
| MY103275A (en) | 1993-05-29 |
| GB2205998B (en) | 1991-03-13 |
| EP0291835A3 (en) | 1989-07-26 |
| GB8711794D0 (en) | 1987-06-24 |
| DE3878979T2 (en) | 1993-06-17 |
| ZA883336B (en) | 1988-11-16 |
| EP0291835A2 (en) | 1988-11-23 |
| EP0291835B1 (en) | 1993-03-10 |
| ATE86789T1 (en) | 1993-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES296548U (en) | Circuit breaker with bimetal and calibration adjusting means. | |
| US5191310A (en) | Adjustable cycling switch for electric range | |
| US2897319A (en) | Electric switch | |
| US4510479A (en) | PC-board mounted thermal breaker | |
| JP2519549B2 (en) | Heat-actuated switch | |
| US6080967A (en) | Combined user actuation and thermostat switch assembly | |
| US4642597A (en) | Overcurrent relay | |
| US4231006A (en) | Circuit breaker having a thermally responsive latching member | |
| JPH01105429A (en) | Thermosensitive controller | |
| US3239633A (en) | Narrow temperature differential thermostatic control | |
| US4164724A (en) | Bimetallic thermo-release, especially for protective motor switch | |
| US4313047A (en) | Combined thermostatic control and thermal fuse overtemperature protector for electrical heating appliances | |
| US5696479A (en) | Energy regulators | |
| US2378648A (en) | Electric switch | |
| US3309637A (en) | Circuit breaker with improved trip adjustment | |
| CA1036646A (en) | Electric circuit breaker | |
| JPH1116476A (en) | Circuit breaker | |
| US2945933A (en) | Electric circuit controlling device | |
| JPH01186528A (en) | Wiring breaker bimetal with high calibration yield | |
| US3254184A (en) | Sequential thermally responsive switch mechanism | |
| US3562688A (en) | Quick trip overload relay heaters | |
| CA1078437A (en) | Bimetal overload relay | |
| US2088443A (en) | Thermal switch | |
| US3803526A (en) | Snap acting double break switch | |
| US2492382A (en) | Resettable overload circuit breaker |