JP2013105558A5 - - Google Patents
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- JP2013105558A5 JP2013105558A5 JP2011247255A JP2011247255A JP2013105558A5 JP 2013105558 A5 JP2013105558 A5 JP 2013105558A5 JP 2011247255 A JP2011247255 A JP 2011247255A JP 2011247255 A JP2011247255 A JP 2011247255A JP 2013105558 A5 JP2013105558 A5 JP 2013105558A5
- Authority
- JP
- Japan
- Prior art keywords
- bimetal
- heater
- circuit breaker
- insulating sheet
- breaker according
- 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.)
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Claims (12)
前記ヒータと前記バイメタルとを絶縁する絶縁シートが、前記ヒータと前記バイメタルとに跨って巻回され前記ヒータのその周囲の雰囲気への放熱と前記バイメタルのその周囲の雰囲気への放熱とを抑制するように前記ヒータと前記バイメタルとを覆っている
ことを特徴とする回路遮断器。 The movable contact from the fixed contact by the load current comprises a thermally activated tripping equipment constituted by a heater and the bimetal load current flows switching mechanism is driven by the curvature of the bimetal if an overcurrent state In the circuit breaker to be opened,
An insulating sheet that insulates the heater and the bimetal is wound across the heater and the bimetal, and suppresses heat radiation to the surrounding atmosphere of the heater and heat radiation to the surrounding atmosphere of the bimetal. As described above, the circuit breaker covers the heater and the bimetal.
前記ヒータはその一端が可撓銅撚り線を介して負荷側端子に接続されその他端が前記バイメタルの一端に接続され、
前記バイメタルの他端は前記固定接点に接続され、
前記負荷電流は、前記固定接点から前記バイメタルの他端へ、前記バイメタルの他端から前記バイメタルを通って前記バイメタルの一端へ、前記バイメタルの一端から前記ヒータの他端へ、前記ヒータの他端をから前記ヒータを通って前記ヒータの一端へ、前記ヒータの一端から前記可撓銅撚り線を通って前記負荷側端子へと流れ、
前記ヒータが前記負荷側端子と前記バイメタルとの間に位置して配設されている
ことを特徴とする回路遮断器。 The circuit breaker according to claim 1,
One end of the heater is connected to the load side terminal via a flexible copper stranded wire, and the other end is connected to one end of the bimetal.
The other end of the bimetal is connected to the fixed contact,
The load current flows from the fixed contact to the other end of the bimetal, from the other end of the bimetal to the one end of the bimetal through the bimetal, from one end of the bimetal to the other end of the heater, and to the other end of the heater. Through the heater to one end of the heater, from one end of the heater through the flexible copper stranded wire to the load side terminal,
The circuit breaker, wherein the heater is disposed between the load side terminal and the bimetal.
前記バイメタルの高膨張側が前記バイメタルの低膨張側と前記ヒータとの間に位置している
ことを特徴とする回路遮断器。 The circuit breaker according to claim 2,
The circuit breaker characterized in that the high expansion side of the bimetal is positioned between the low expansion side of the bimetal and the heater.
前記負荷電流が短絡電流状態となれば動作し前記駆動に応動して可動接点を固定接点から開離させる電磁引外し装置を備え、
前記電磁引外し装置が前記開閉機構部の下側に隣接して配設されると共に、前記可動接点及び前記固定接点と前記熱動引外し装置との間に位置して配設され、
前記熱動引外し装置の前記バイメタルの低膨張側が前記ヒータより前記電磁引外し装置側に位置し、前記バイメタルの高膨張側が前記バイメタルの低膨張側と前記ヒータとの間に位置している
ことを特徴とする回路遮断器。 The circuit breaker according to claim 1,
An electromagnetic trip device that operates when the load current is in a short-circuit current state and opens a movable contact from a fixed contact in response to the drive;
The electromagnetic trip device is disposed adjacent to the lower side of the opening / closing mechanism, and is disposed between the movable contact and the fixed contact and the thermal trip device,
The low expansion side of the bimetal of the thermal trip device is located closer to the electromagnetic trip device side than the heater, and the high expansion side of the bimetal is located between the low expansion side of the bimetal and the heater. Circuit breaker characterized by.
絶縁シートが一シートからなり、その一端が前記ヒータと前記バイメタルとの間に介在して前記ヒータと前記バイメタルとを絶縁し、その他端が前記ヒータと前記バイメタルとに跨って巻回され前記ヒータのその周囲の雰囲気への放熱と前記バイメタルのその周囲の雰囲気への放熱とを抑制する
ことを特徴とする回路遮断器。 In the circuit breaker as described in any one of Claims 1-4,
The insulating sheet is composed of one sheet, one end of which is interposed between the heater and the bimetal to insulate the heater and the bimetal, and the other end is wound over the heater and the bimetal. A circuit breaker that suppresses heat radiation to the surrounding atmosphere of the metal and heat radiation to the surrounding atmosphere of the bimetal.
ことを特徴とする回路遮断器。 6. The circuit breaker according to claim 5, wherein a convex portion is formed at the other end of the insulating sheet, and a notch is provided at an intermediate portion between the one end and the other end of the insulating sheet, and the convex portion. The other end of the insulating sheet wound across the heater and the bimetal is fastened to an intermediate portion of the insulating sheet. Circuit breaker to do.
前記ヒータは、前記バイメタルの一端から前記バイメタルの他端に亘って延在し、
前記ヒータは、前記延在の方向及び当該延在の方向と直角を成す幅方向の何れの方向にも前記バイメタルからはみ出さないように配設されている
ことを特徴とする回路遮断器。 The circuit breaker according to claim 5,
The heater extends from one end of the bimetal to the other end of the bimetal,
The heater circuit breaker, characterized in that in either direction in the width direction forming direction at right angles with the direction and the extending of the extending are disposed so as not to protrude from the bimetal.
前記ヒータは、その前記一端からその前記他端に亘って連続したジグザグ形状に形成されている
ことを特徴とする回路遮断器。 The circuit breaker according to claim 7,
The circuit breaker, wherein the heater is formed in a zigzag shape continuous from the one end to the other end.
前記ヒータの前記幅方向の、前記ヒータの最大幅長Ｗｈが前記バイメタルの最大幅長Ｂｈ以下である
ことを特徴とする回路遮断器。 The circuit breaker according to claim 8,
The circuit breaker characterized in that the maximum width length Wh of the heater in the width direction of the heater is equal to or less than the maximum width length Bh of the bimetal.
前記ジグザグ形状のヒータの、前記幅方向の線幅Ｗｗと前記延在の方向の線幅Ｗｌとがほぼ同一である
ことを特徴とする回路遮断器。 The circuit breaker according to claim 9,
Circuit breaker, characterized in that said heater zigzag, the width direction of the line width Ww and the extending direction of the line width Wl is approximately the same.
絶縁シートの熱伝導率が、前記ヒータの熱伝導率及び前記バイメタルの熱伝導率の何れよりも小さい
ことを特徴とする回路遮断器。 The circuit breaker according to claim 5,
The circuit breaker characterized in that the thermal conductivity of the insulating sheet is smaller than both the thermal conductivity of the heater and the thermal conductivity of the bimetal.
前記ヒータが前記絶縁シートによって前記バイメタルに固定されている
ことを特徴とする回路遮断器。 The circuit breaker according to claim 5,
The circuit breaker, wherein the heater is fixed to the bimetal by the insulating sheet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011247255A JP5812813B2 (en) | 2011-11-11 | 2011-11-11 | Circuit breaker |
| CN201210135409.5A CN103107051B (en) | 2011-11-11 | 2012-05-02 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011247255A JP5812813B2 (en) | 2011-11-11 | 2011-11-11 | Circuit breaker |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013105558A JP2013105558A (en) | 2013-05-30 |
| JP2013105558A5 true JP2013105558A5 (en) | 2014-07-24 |
| JP5812813B2 JP5812813B2 (en) | 2015-11-17 |
Family
ID=48314821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011247255A Active JP5812813B2 (en) | 2011-11-11 | 2011-11-11 | Circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5812813B2 (en) |
| CN (1) | CN103107051B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092190A (en) * | 2014-07-28 | 2014-10-08 | 中投仙能科技（苏州）有限公司 | Trigger type lithium battery physical protector based on equalization |
| JP7247796B2 (en) * | 2019-07-12 | 2023-03-29 | 富士電機機器制御株式会社 | Bimetal device, overcurrent tripping device for circuit breaker incorporating this bimetal device, and method for forming heater for bimetal device |
| CN113257643B (en) * | 2021-05-28 | 2022-02-22 | 北京北元电器有限公司 | Circuit breaking mechanism and circuit breaker with same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62136045U (en) * | 1986-02-21 | 1987-08-27 | ||
| JPS62197243U (en) * | 1986-06-05 | 1987-12-15 | ||
| JP3383550B2 (en) * | 1997-06-27 | 2003-03-04 | 松下電工株式会社 | Circuit breaker |
| JP5169721B2 (en) * | 2008-10-20 | 2013-03-27 | 三菱電機株式会社 | Circuit breaker |
| CN201323169Y (en) * | 2008-12-30 | 2009-10-07 | 德力西电气有限公司 | Thermal tripping device for plastic-shell breakers |
| JP5327038B2 (en) * | 2009-12-24 | 2013-10-30 | 三菱電機株式会社 | Circuit breaker |
| JP5631265B2 (en) * | 2011-05-31 | 2014-11-26 | 三菱電機株式会社 | Circuit breaker and its thermal trip device |
-
2011
- 2011-11-11 JP JP2011247255A patent/JP5812813B2/en active Active
-
2012
- 2012-05-02 CN CN201210135409.5A patent/CN103107051B/en active Active
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