CN1003265B - Arc extinction apparatus - Google Patents
Arc extinction apparatus Download PDFInfo
- Publication number
- CN1003265B CN1003265B CN86104487A CN86104487A CN1003265B CN 1003265 B CN1003265 B CN 1003265B CN 86104487 A CN86104487 A CN 86104487A CN 86104487 A CN86104487 A CN 86104487A CN 1003265 B CN1003265 B CN 1003265B
- Authority
- CN
- China
- Prior art keywords
- arc
- electric arc
- exhaust passage
- end plate
- gas
- 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
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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
- H01H9/342—Venting arrangements for arc chutes
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
The arc-extinguishing device has a first and second exhausting passages for exhausting gas generated by the arc. The second exhausting passage improves the smooth flow of the gas.
Description
The present invention relates to arc-control device, and relate more specifically to a kind of arc-control device with current limiting characteristic of having improved.
Published, uncensored patent application has disclosed a kind of arc-control device (as shown in Figure 1) that is used for circuit breaker for clear 55-46487 number.When overload or short circuit, circuit breaker disconnects circuit by moving contact 7 is disconnected with fixed contact 5.At this moment, extend on electric arc extension board 17,18 at generation electric arc and this electric arc between contact 5 and 7.Known magnetic force makes arc motion to grid parts 12, carries out the branch arc and is suppressed.The gas that electric arc produced is discharged to the outside from arc control device 10 through the steam vent and the exhaust passage 16 of end plate 15.As shown in Figure 2, on end plate 15, be provided with steam vent 15a.
Above-mentioned known devices fails to make gas steadily to discharge, thereby causes electric arc to extend slowly.As shown in Figure 3, electric arc extension slowly reduces current limiting characteristic, and this is because electric arc extends the branch arc that slowly makes in grid parts 12 and but arc slows down.
The purpose of this invention is to provide the arc-control device that have good current limiting characteristic a kind of improved.
Pressure-responsive device according to the present invention comprises:
Make a pair of electric arc extension board of the electric arc extension that is produced between two contacts,
Be located at the grid parts that are used for the branch arc between the electric arc extension board and press down arc,
Discharge first exhaust passage of the portion gas of electric arc generation, and
Discharge second exhaust passage of the remaining gas of electric arc generation.
Fig. 1 is the sectional view of the arc-control device of routine.
Fig. 2 is illustrated in end plate used in the arc-control device of Fig. 1.
Fig. 3 is the curve of expression arc voltage and current characteristics.
Fig. 4 is the sectional view of an embodiment of embodiment arc-control device of the present invention.
Fig. 5 is the curve of the characteristic of expression arc voltage-electric current.
Fig. 6 is the sectional view of another embodiment that the arc-control device of demarcation strip is housed.
Fig. 7 A and Fig. 7 B are another embodiment that the arc-control device of guide plate is housed.
Fig. 8 is the sectional view of another embodiment with arc-control device of jut.
The cutaway view of Fig. 9 on II-II line of Fig. 8, being got.
Figure 10 is the sectional view of another embodiment of arc-control device.
The structure that embodies the most preferred embodiment of arc-control device of the present invention is elaborated with reference to Fig. 4.Circuit breaker 100 comprises the mold insulation housing 1 that breaker mechanism wherein is housed.
Breaker mechanism comprises fixed contact 5, moving contact 7, and magnetic trip gear 8A, the 8B of operating mechanism, last electric arc extension board 17, following electric arc extension board 18, grid parts 12, the end plate 15 and first exhaust passage 16, they all have known 26S Proteasome Structure and Function.This mechanism also has the exhaust bend 19 as second exhaust passage.When overload or short circuit, known magnetic trip gear 8A leans out its production and by moving contact 7 is disconnected with fixed contact 5 circuit is disconnected.Produce electric arc this moment between contact 5 and 7, this electric arc extends between electric arc extension board 17,18.Electric arc by known magnetic force to grid parts 12, and by 13 fens arcs of the stack gate of grid parts 12 with press down arc.Discharge through the interrupter of end plate 15 from arc control device 11 by the gas that electric arc produced.The gas that a part is come out from arc control device 11 is discharged to the outside of circuit breaker 100 through first exhaust passage 16 and the first air exit 16A.The gas that another part comes out from arc control device 11 is discharged to the outside of circuit breaker 100 through the exhaust bend 19 and the second air exit 19A.
In the present invention, owing to gas is discharged through first and second liang of exhaust passages, so gas can be discharged reposefully.Like this, 11 air pressure can not uprise in the arc control device, thereby electric arc is steadily extended.Because electric arc extension stably can make the branch arc and press down arc and carry out fast, electric arc extension stably can make current limiting characteristic very good.
Fig. 5 represents the characteristic curve of the arc voltage-electric current of circuit breaker shown in Figure 4.As shown in Figure 5, arc voltage rises more level and smooth than existing device.
Fig. 6 is the sectional view of another embodiment of arc-control device, in this embodiment, between first exhaust passage 16 and exhaust bend 19 demarcation strip 20 is housed.Like this, upper gas only flows to first exhaust passage 16, and lower gas only flows to exhaust bend 19, thereby can not interfere mutually.
Fig. 7 A and Fig. 7 B are the sectional view of another embodiment of arc-control device.In this embodiment, at sweep the guide plate 30 that is circular arc is housed.Guide plate 30 makes the gas smooth flow, thereby electric arc is steadily extended.
Fig. 8 is the sectional view of another embodiment of arc-control device.In this embodiment, make air-flow stably jut 40 in the sweep 19a of exhaust bend 19, form, and form than the lower but part 19b of wider width of other part height.The cutaway view of Fig. 9 on II-II line of Fig. 8, being got.As shown in Figure 9, the width D of part 19b
1The width D of other neighbour near parts
2Wide.Highly lower but part 19b wider width makes the gas smooth flow, thus electric arc is steadily extended.
Figure 10 is the sectional view of another embodiment of arc-control device.In this embodiment, jut 40 folds by the end with electric arc extension board 18 and forms.
As various embodiment had been described in detail, owing to designed second exhaust passage, arc-control device according to the present invention provided good current limiting characteristic.
Claims (34)
1, a kind of arc-control device comprises:
(a) make a pair of electric arc extension board that formed electric arc extends between two contacts;
(b) between the electric arc extension board for minute arc with press down the grid parts that arc provided;
(c) has the end plate of a plurality of steam vents;
(d) discharge first exhaust passage of a part of gas that produces by electric arc through the steam vent of above-mentioned end plate;
Its feature also comprises:
(e) discharge second exhaust passage of the remaining gas that produces by electric arc through the steam vent of above-mentioned end plate; And
(f) separate above-mentioned exhaust passage to prevent the demarcation strip of the interference between the air-flow.
2, a kind of arc-control device comprises:
(a) make a pair of electric arc extension board that formed electric arc extends between two contacts;
(b) between the electric arc extension board for minute arc with press down the grid parts that arc provided;
(c) has the end plate of a plurality of steam vents;
(d) discharge first exhaust passage of a part of gas that produces by electric arc through the steam vent of above-mentioned end plate;
Its feature also comprises:
(e) discharge second exhaust passage of the remaining gas that produces by electric arc through the steam vent of above-mentioned end plate; And
(f) above-mentioned first exhaust passage has the exhaust bend that guide plate is housed in its knee, so that make the gas smooth flow.
3, a kind of arc-control device comprises:
(a) make a pair of electric arc extension board that formed electric arc extends between two contacts;
(b) between the electric arc extension board for minute arc with press down the grid parts that arc provided;
(c) has the end plate of a plurality of steam vents;
(d) discharge first exhaust passage of a part of gas that produces by electric arc through the steam vent of above-mentioned end plate;
Its feature also comprises:
(e) discharge second exhaust passage of the remaining gas that produces by electric arc through the steam vent of above-mentioned end plate; And
(f) above-mentioned second exhaust passage has the exhaust bend that guide plate is housed in its knee, so that make the gas smooth flow.
4, a kind of arc-control device comprises:
(a) make a pair of electric arc extension board that formed electric arc extends between two contacts;
(b) between the electric arc extension board for minute arc with press down the grid parts that arc provided;
(c) has the end plate of a plurality of steam vents;
(d) discharge first exhaust passage of a part of gas that produces by electric arc through the steam vent of above-mentioned end plate;
Its feature also comprises:
(e) discharge second exhaust passage of the remaining gas that produces by electric arc through the steam vent of above-mentioned end plate; And
(f) above-mentioned second exhaust passage has one section exhaust bend, and its sweep is lower but wider width than other part height of this bending section, so that make the gas smooth flow.
5, arc-control device as claimed in claim 4, the part that it is characterized in that above-mentioned but wider width lower than adjacent part height is by forming at the formed jut of sweep.
6, arc-control device as claimed in claim 5 is characterized in that above-mentioned jut is the end that folds of electric arc extension board.
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10528885U JPS6214654U (en) | 1985-07-09 | 1985-07-09 | |
| JP15190185A JPH0654632B2 (en) | 1985-07-09 | 1985-07-09 | Extinguishing device |
| JP151902/85 | 1985-07-09 | ||
| JP15190285A JPS6212025A (en) | 1985-07-09 | 1985-07-09 | Arc extinguisher |
| JP60-105288 | 1985-07-09 | ||
| JP105288/85 | 1985-07-09 | ||
| JP105289/85 | 1985-07-09 | ||
| JP60-151901 | 1985-07-09 | ||
| JP151901/85 | 1985-07-09 | ||
| JP60-105289 | 1985-07-09 | ||
| JP10528985U JPS6214655U (en) | 1985-07-09 | 1985-07-09 | |
| JP60-151902 | 1985-07-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86104487A CN86104487A (en) | 1987-01-07 |
| CN1003265B true CN1003265B (en) | 1989-02-08 |
Family
ID=27469304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86104487A Expired CN1003265B (en) | 1985-07-09 | 1986-06-28 | Arc extinction apparatus |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1003265B (en) |
| DE (1) | DE3621165A1 (en) |
| GB (1) | GB2178596B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663458B1 (en) * | 1990-06-15 | 1996-06-07 | Merlin Gerin | MINIATURE ELECTRIC CIRCUIT BREAKER WITH CUTTING GAS EXHAUST. |
| DE4326922C1 (en) * | 1993-08-11 | 1994-11-17 | Kloeckner Moeller Gmbh | Arc chamber for electrical switchgear |
| US6037555A (en) * | 1999-01-05 | 2000-03-14 | General Electric Company | Rotary contact circuit breaker venting arrangement including current transformer |
| CN102891025B (en) * | 2011-07-22 | 2016-02-10 | 西门子公司 | A kind of switching device |
| DE102012214826A1 (en) | 2012-08-21 | 2014-02-27 | Siemens Aktiengesellschaft | switching device |
| WO2014170529A1 (en) * | 2013-04-15 | 2014-10-23 | Abb Oy | Electric switch housing |
| CN105845524B (en) * | 2016-05-31 | 2018-09-07 | 乐清市也为电气有限公司 | A kind of arc extinguishing exhaust system of miniature circuit breaker |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE511464A (en) * | 1951-05-18 | |||
| US2734970A (en) * | 1951-09-28 | 1956-02-14 | Circuit interrupters | |
| US2861152A (en) * | 1954-12-13 | 1958-11-18 | Gen Electric | Electric circuit interrupter |
| BE562665A (en) * | 1956-11-26 | |||
| US2947839A (en) * | 1957-02-28 | 1960-08-02 | Allis Chalmers Mfg Co | Arc chute having cooling and deionizing elements arranged at the exhaust end |
| US2942086A (en) * | 1957-03-06 | 1960-06-21 | Allis Chalmers Mfg Co | Chimney cooler for air circuit breakers |
| BE558044A (en) * | 1957-06-01 | |||
| US2942084A (en) * | 1957-08-30 | 1960-06-21 | Allis Chalmers Mfg Co | Circuit breaker employing perforated flue means adjacent arc runners |
| US3128359A (en) * | 1960-01-06 | 1964-04-07 | Westinghouse Electric Corp | Circuit interrupters having arc extinguishing means |
| DE7607341U1 (en) * | 1976-03-10 | 1976-08-12 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit breaker |
| JPS5546487A (en) * | 1978-09-30 | 1980-04-01 | Matsushita Electric Works Ltd | Arc extinguishing device |
| IT1129691B (en) * | 1980-01-31 | 1986-06-11 | Elettromeccanica Spa Cge Comp | RAPID EXTINGUISHING COMPLEX OF THE ELECTRIC ARC IN INTERRUPTION DEVICES SUCH AS ELECTRIC SWITCHES |
| US4511772A (en) * | 1983-05-11 | 1985-04-16 | Eaton Corporation | Arc extinguishing structure for electrical switching device |
| DE3443121A1 (en) * | 1984-11-27 | 1986-05-28 | Brown, Boveri & Cie Ag, 6800 Mannheim | ELECTRICAL CIRCUIT BREAKER |
| US4766273A (en) * | 1985-06-17 | 1988-08-23 | Eaton Corporation | High current double-break electrical contactor |
-
1986
- 1986-06-25 DE DE19863621165 patent/DE3621165A1/en not_active Ceased
- 1986-06-28 CN CN86104487A patent/CN1003265B/en not_active Expired
- 1986-06-30 GB GB8615958A patent/GB2178596B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN86104487A (en) | 1987-01-07 |
| GB2178596A (en) | 1987-02-11 |
| GB8615958D0 (en) | 1986-08-06 |
| DE3621165A1 (en) | 1987-01-22 |
| GB2178596B (en) | 1989-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |