KR890007184Y1 - Circuit braker - Google Patents
Circuit braker Download PDFInfo
- Publication number
- KR890007184Y1 KR890007184Y1 KR2019860005046U KR860005046U KR890007184Y1 KR 890007184 Y1 KR890007184 Y1 KR 890007184Y1 KR 2019860005046 U KR2019860005046 U KR 2019860005046U KR 860005046 U KR860005046 U KR 860005046U KR 890007184 Y1 KR890007184 Y1 KR 890007184Y1
- Authority
- KR
- South Korea
- Prior art keywords
- fixed
- side pressure
- pressure reflector
- insulating barrier
- conductor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H2009/305—Means for extinguishing or preventing arc between current-carrying parts including means for screening for arc gases as protection of mechanism against hot arc gases or for keeping arc gases in the arc chamber
Landscapes
- Breakers (AREA)
Abstract
내용 없음.No content.
Description
제1도는 본원 고안의 일실시예를 나타낸 주요부의 일부 파단 측면도.Figure 1 is a partially broken side view of the main part showing an embodiment of the present invention.
제2도는 제1도의 요부 분해 사시도.2 is an exploded perspective view of the main portion of FIG.
제3도는 종래의 것을 나타낸 주요부의 일부 파단 측면도.3 is a partially broken side view of a main portion showing a conventional one.
제4도는 제3도의 요부 분해 사시도.4 is an exploded perspective view of the main portion of FIG.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 고정접촉자 1a : 고정도체1: fixed contact 1a: high conductor
1b : 고정접점 3 : 고정측 압력반사체1b: fixed contact point 3: fixed side pressure reflector
6 : 절연배리어 8a, 8b : 돌기6: insulation barrier 8a, 8b: protrusion
본원 고안은 고정측 압력반사체의 표면에 배치되어 전원측과 부하측과의 사이를 절연하는 절연배리어를 구비한 회로차단기에 관한 것이다.The present invention relates to a circuit breaker having an insulating barrier disposed on a surface of a fixed side pressure reflector and insulated between a power supply side and a load side.
종래의 이 종류의 회로차단기가 제3도, 제4도에 표시되어 있다.Conventional circuit breakers of this kind are shown in FIG. 3 and FIG.
도면에 있어서, (1)은 전원측에 접속되는 고정접촉자이며, 고정도체(1a)와 이 고정도체(1a)에 고착된 고정접점(1b)으로 구성된다.In the figure, reference numeral 1 denotes a fixed contactor connected to the power supply side, and is composed of a fixed conductor 1a and a fixed contact 1b fixed to the fixed conductor 1a.
(2)는 아아크러너, (3)은 고정접점(1b)과 아아크러너(2)를 둘러싸도록 고정도체(1a)에 배치된 고정측 압력 반사체이며, 고정도체(1a) 보다도 저항율이 높은 고저항재료에 의해 형성된다. (4)는 고정접촉자(1)에 대향해서 설치되며 또한 개폐동작시에 구동력을 받아 개폐동작하는 가동접촉자이며, 가동도체(4a)와 이 가동도체(4a)에 고착된 가동접점(4b)으로 구성된다. (5)는 가동접점(4b)의 외주를 둘러싸도록 가동도체(4a)에 배치된 가동축 압력반사체이며, 가동도체(4a)보다도 저항율이 높은 고저항재료에 의해 형성된다. (6)은 고정축 압력반사체(3)에 걸치도록 배치되어 전원측과 부하측 사이를 절연배리어이며, 고정측 압력반사체(3)에 끼워지는 오목한 부분(6a)과 가동접촉자(4)가 끼워지는 창문부(6b)를 가지고 있으며, (7)은 소호판(消弧板)이다.(2) is an arc runner, (3) is a fixed side pressure reflector arranged in the fixed conductor 1a so as to surround the fixed contact 1b and the arc runner 2, and has higher resistivity than the fixed conductor 1a. It is formed by the material. (4) is a movable contactor which is provided opposite to the fixed contactor 1 and is opened and closed by receiving a driving force during the opening and closing operation, and is a movable conductor 4a and a movable contact 4b fixed to the movable conductor 4a. It is composed. (5) is a movable shaft pressure reflector arranged on the movable conductor 4a so as to surround the outer circumference of the movable contact 4b, and is formed of a high resistance material having a higher resistivity than the movable conductor 4a. (6) is an insulating barrier disposed between the power supply side and the load side, which is arranged to span the fixed shaft pressure reflector (3), and the window into which the concave portion (6a) and the movable contactor (4) fitted to the fixed side pressure reflector (3) are fitted. It has a part 6b, and (7) is a sub arc board.
이와 같이 고정접촉자(1)에 고정측 압력반사체(3)를, 또 가동접촉자(4)에 가동측압력반사체(5)를 각기 구비한 회로차단기에서는, 아아크(A)가 고정축 압력반사체(3)와 가동측 압력반사체(5)에 의해 조여져서 아아크(A)의 단면적이 작지 않고 아아크저항은 높아지지만, 아아크 전류는 반대로 낮게 제한되어, 한류(限流)상태를 야기시킨다. 즉, 단락시에 있어서의 차단전류의 한류성능을 향상시키는 것이다.As described above, in the circuit breaker including the fixed side pressure reflector 3 on the fixed contactor 1 and the movable side pressure reflector 5 on the movable contactor 4, the arc A is the fixed shaft pressure reflector 3. ) And the movable side pressure reflector 5 are tightened to cause the arc A to have a small cross-sectional area and a high arc resistance, but the arc current is conversely low, causing a current-limiting state. That is, the current-limiting performance of the breaking current at the time of short circuit is improved.
이와같이 양 압력반사체(3),(5)를 설치함으로써 생기는 양 접촉자(1),(4)간의 높은 아아크전압에 의해 가동접촉자(4)의 기구부와 고정 접촉자(1)와의 사이, 즉 부하측과 전원측과의 사이에서 절연파괴가 생기지 않도록 절연배리어(6)를 설치해 놓았으며, 이 절연배리어(6)에 의해 상기 절연파괴를 방지해서 적정한 차단을 가능하게 하는 것이다.Thus, due to the high arc voltage between the two contactors 1 and 4 caused by the provision of the two pressure reflectors 3 and 5, between the mechanism part of the movable contactor 4 and the fixed contactor 1, that is, the load side and the power supply side. The insulating barrier 6 is provided so as not to cause breakdown between the insulating barriers. The insulating barrier 6 prevents the breakdown and enables proper blocking.
상기와같은 종래의 회로차단기에서는 고정측 압력반사체(3)의 표면이 매끄러우므로 아아크발생시에 비산하는 잘다란 도전성입자가 고정측 압력반사체(3)의 표면에 흘러서 부착하기 쉽고, 전원측과 부하측 사이에서 절연파괴가 일어난다고 하는 문제점이 있었다.In the conventional circuit breaker as described above, since the surface of the fixed-side pressure reflector 3 is smooth, fine conductive particles scattered at the time of arc generation are easy to flow on the surface of the fixed-side pressure reflector 3, and between the power supply side and the load side. There was a problem that insulation breakdown occurred.
본원 고안은 이러한 문제점을 해결하기 위해 이루어진 것으로서, 고정측 압력반사체의 표면에 대한 잘다란 도전성입자의 부착에 의한 절연파괴를 방지하여 전원측과 부하측 사이의 절연성능을 향상시킬 수 있는 회로차단기를 제공하는 것을 목적으로 한다.The present invention has been made to solve the above problems, and provides a circuit breaker that can improve the insulation performance between the power supply side and the load side by preventing the breakdown of the insulation by the attachment of fine conductive particles to the surface of the fixed side pressure reflector. For the purpose of
본원 고안에 의한 회로차단기는 고정측압력반사체에 절연배리어에 연해서 근접하는 돌기를 설치한 것이다.The circuit breaker according to the present invention has a fixed side pressure reflector provided with projections protruding to and from the insulating barrier.
본원 고안에 있어서는 절연배리어에 연해서 근접하는 돌기를 고정측 압력반사체의 표면에 설치했으므로, 절연배리어와 돌기가 겹치는 부분에는 잘다란 도전성입자는 부착하지 않으며, 또 돌기에 의해 고정측 압력반사체의 표면의 가장자리면 거리가 연장되므로, 고정측 압력반사체의 표면의 절연 성능이 향상된다.In the present invention, since projections protruding from and adjacent to the insulating barrier are provided on the surface of the fixed side pressure reflector, fine conductive particles are not attached to the portion where the insulating barrier and the projection overlap, and the projections of the surface of the fixed side pressure reflector do not adhere. Since the edge surface distance is extended, the insulation performance of the surface of the fixed side pressure reflector is improved.
제1도, 제2도는 본원 고안의 일실시예를 나타낸 것으로서, (1)-(7)은 상기 종래 장치의 것과 같다. (8a),(8b)는 절연배리어(6)를 양측에서 끼우도록 고정측 압력반사체(3)에 각기 설치한 돌기이다.1 and 2 show an embodiment of the present invention, and (1)-(7) are the same as those of the conventional apparatus. (8a) and (8b) are projections provided on the fixed side pressure reflector 3 so as to sandwich the insulating barrier 6 from both sides.
이와 같이 고정측 압력반사체(3)의 표면에 돌기(8a),(8b)를 설치해 두면, 양 돌기(8a),(8b)와 절연배리어(6)가 겹치는 부분에는 잘다란 도전성입자가 부착하지 않으며, 양 돌기(8a),(8b)에 의해 고정측 압력반사체(3)의 표면의 가장자리면 거리가 연장되므로, 고정측 압력반사체(3) 표면의 절연 성능이 향상된다.Thus, when projections 8a and 8b are provided on the surface of the fixed side pressure reflector 3, fine conductive particles do not adhere to the portions where both projections 8a and 8b and the insulating barrier 6 overlap. The distance between the edges of the surface of the fixed side pressure reflector 3 is extended by both projections 8a and 8b, so that the insulation performance of the surface of the fixed side pressure reflector 3 is improved.
상기 실시예와 같이 양 돌기(8a),(8b) 사이에 절연배리어(6)를 삽입해 두면, 절연배리어(6)의 위치결정이 용이하게 된다. 그러나, 돌기(8a),(8b)는 어느 한쪽으로라도 고정측 압력반사체(3)의 표면의 절연성능의 향상은 도모할 수 있다.If the insulating barrier 6 is inserted between the two projections 8a and 8b as in the above embodiment, positioning of the insulating barrier 6 is facilitated. However, the projections 8a and 8b can improve the insulation performance of the surface of the fixed-side pressure reflector 3 either way.
본원 고안은 이상 설명한 바와 같이, 고정측 압력반사체 표면에 절연배리어에 연해서 근접하는 돌기를 설치했으므로, 고정측 압력반사체의 표면에서의 잘다란 도전성입자의 흐름이 제한되어 부착하기가 어렵게 되며, 전원측과 부하측 사이의 절연성능이 향상한다고 하는 효과가 있다.As described above, as described above, since projections protruding from and adjacent to the insulating barrier are provided on the surface of the fixed-side pressure reflector, the flow of fine conductive particles on the surface of the fixed-side pressure reflector is limited and difficult to attach. There is an effect that the insulation performance between the load sides is improved.
Claims (2)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985098135U JPS625544U (en) | 1985-06-25 | 1985-06-25 | |
| JP85-98135 | 1985-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870001223U KR870001223U (en) | 1987-02-20 |
| KR890007184Y1 true KR890007184Y1 (en) | 1989-10-20 |
Family
ID=30965791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019860005046U KR890007184Y1 (en) | 1985-06-25 | 1986-04-16 | Circuit braker |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS625544U (en) |
| KR (1) | KR890007184Y1 (en) |
| DE (1) | DE3681352D1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2757341B2 (en) * | 1989-09-28 | 1998-05-25 | 富士電機株式会社 | Circuit breaker |
-
1985
- 1985-06-25 JP JP1985098135U patent/JPS625544U/ja active Pending
-
1986
- 1986-04-16 KR KR2019860005046U patent/KR890007184Y1/en not_active IP Right Cessation
- 1986-06-19 DE DE8686108334T patent/DE3681352D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR870001223U (en) | 1987-02-20 |
| DE3681352D1 (en) | 1991-10-17 |
| JPS625544U (en) | 1987-01-13 |
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