CN103531411B - A kind of miniature circuit breaker and arc-control device thereof - Google Patents
A kind of miniature circuit breaker and arc-control device thereof Download PDFInfo
- Publication number
- CN103531411B CN103531411B CN201310427162.9A CN201310427162A CN103531411B CN 103531411 B CN103531411 B CN 103531411B CN 201310427162 A CN201310427162 A CN 201310427162A CN 103531411 B CN103531411 B CN 103531411B
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- Prior art keywords
- arc
- grid pieces
- extinguishing grid
- arc extinguishing
- spark chamber
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
A kind of miniature circuit breaker and arc-control device thereof.Mainly solving electric arc in existing Arc Distinguishing Device for Circuit Breakers short in the time of staying of arc-chutes, electric arc is long for cool time；And the general riveted of grid is in arc baffle, can not well discharge arc extinguishing room pressure.It is characterized in that: described the first arc extinguishing grid pieces (1) includes being identical curved-surface structure and the first surface (11) being parallel to each other and second surface (12), forms first spark chamber (7) of curved-surface structure between first surface (11) and the second surface (12) of adjacent first arc extinguishing grid pieces of the first described arc extinguishing grid pieces.This miniature circuit breaker and arc-control device thereof add the electric arc time of staying at arc-chutes, shorten electric arc cool time, substantially increase arc extinguishing ability；Use connector to replace arc baffle, make arc suppression chamber pressure be easier to release.
Description
Technical field
The present invention relates to a kind of electric protection device, be specifically related to a kind of miniature circuit breaker and arc-control device thereof.
Background technology
It is advanced that miniature circuit breaker has structure, dependable performance, breaking capacity is strong, the feature such as small and exquisite aesthetic in appearance, make office building, the illumination of house and similar building, distribution line and the overload of equipment and short-circuit protection are used, can act also as circuit infrequently make-break operation to be used with conversion, it is mainly used in industry, business, the various places such as high level and residential houses, and arc-control device is the important component part of miniature circuit breaker arc quenching system, arc-control device is typically become with arc baffle by some arc extinguishing grid pieces groups, arc extinguishing grid pieces typically uses steel disc to make, the arc extinguishing grid pieces used now mostly is the straight tabular of level, electric arc is short in the time of staying of arc-chutes, electric arc is long for cool time, and the general riveted of grid is in arc baffle, can not well discharge arc extinguishing room pressure.
Summary of the invention
In order to overcome the deficiency of background technology, the present invention provides a kind of miniature circuit breaker and arc-control device thereof, mainly solving electric arc in existing Arc Distinguishing Device for Circuit Breakers short in the time of staying of arc-chutes, electric arc is long for cool time, it is impossible to the problem well discharging arc extinguishing room pressure.
The technical solution adopted in the present invention is: a kind of arc-control device, include the first arc extinguishing grid pieces of some intervals and parallel arrangement, the first described arc extinguishing grid pieces includes being identical curved-surface structure and the first surface being parallel to each other and second surface, forms the first spark chamber of curved-surface structure between first surface and the second surface of adjacent first arc extinguishing grid pieces of the first described arc extinguishing grid pieces.
The curved-surface structure of described first surface and second surface is waveform, and the first described spark chamber is waveform.
The first described arc extinguishing grid pieces two ends are provided with the second arc extinguishing grid pieces, and the second described arc extinguishing grid pieces is the straight tabular of level, and described first arc extinguishing grid pieces first surface or second surface and the second arc extinguishing grid pieces surface form the second spark chamber.
Described first arc extinguishing grid pieces and the second arc extinguishing grid pieces include upper surface and side respectively, first spark chamber and the second spark chamber include striking mouth and pressure release orifice, the striking mouth of the first spark chamber is positioned at the first arc quenching plate upper surface, the pressure release orifice of the first spark chamber is positioned at the side of the first arc quenching plate, and the side of the first arc quenching plate is perpendicular with the upper surface of the first arc quenching plate；The striking mouth of the second spark chamber is positioned at the second arc quenching plate upper surface, the pressure release orifice of the second spark chamber is positioned at the side of the second arc quenching plate, the side of the second arc quenching plate is perpendicular with the upper surface of the second arc quenching plate, each the first described arc extinguishing grid pieces and the second arc extinguishing grid pieces connect by being located at the connector of side, and the pressure release orifice of the first spark chamber and the second spark chamber communicates with the external world.
Described connector is provided with some installing holes, and described the first arc extinguishing grid pieces, the second arc extinguishing grid pieces side are provided with the riveted block adaptive with installing hole.
Described the first arc extinguishing grid pieces, the second arc extinguishing grid pieces side are provided with the mounting groove adaptive with connector, and described connector is embedded in mounting groove, and described riveted block is positioned at mounting groove.
A kind of miniature circuit breaker, described miniature circuit breaker includes that the first shell and second housing, the first described shell and second housing are fixing and connects, is provided with operating mechanism, tripping mechanism, arc-control device and contact system in described second housing cavity volume.
The invention has the beneficial effects as follows: add the electric arc time of staying at arc-chutes, shorten electric arc cool time, substantially increase arc extinguishing ability.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of one embodiment of the invention.
Fig. 2 be one embodiment of the invention explosive view.
Fig. 3 is the vertical section figure of the first arc extinguishing grid pieces and the second arc extinguishing grid pieces.
Fig. 4 is the scheme of installation of one embodiment of the invention.
1-the first arc extinguishing grid pieces in figure, 2-the second arc extinguishing grid pieces, 3-connector, 4-installing hole, 5-riveted block, 6-mounting groove, 7-the first spark chamber, 8-the second spark chamber, 9-upper surface, 10-pressure release orifice, 11-first surface, 12-second surface, 13-striking mouth, 14-side, 15-second housing, 151-operating mechanism, 152-tripping mechanism, 153-contact system.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
As Fig. 1 combines Fig. 2 to shown in 4, a kind of arc-control device, include the first arc extinguishing grid pieces 1 of some intervals and parallel arrangement, the first described arc extinguishing grid pieces 1 includes being identical curved-surface structure and the first surface 11 being parallel to each other and second surface 12, forms the first spark chamber 7 of curved-surface structure between first surface 11 and the second surface 12 of adjacent first arc extinguishing grid pieces of the first described arc extinguishing grid pieces.When electric arc enters arc-control device, multi-stage series short arc is cut off into by arc extinguishing grid pieces, first spark chamber 7 of curved-surface structure adds the electric arc time of staying at arc-chutes, first surface 11 and the second surface 12 of curved-surface structure add film-cooled heat, shorten electric arc cool time, substantially increase arc extinguishing ability.
As it can be seen, in the present invention, the curved-surface structure of described first surface 11 and second surface 12 is waveform, and the first described spark chamber 7 is waveform.This construction increases the electric arc time of staying at arc-chutes, shorten electric arc cool time, substantially increase arc extinguishing ability.In addition, the curved-surface structure of first surface 11 and second surface 12 can also be arc, and folding face shape etc., waveform is its optimal way, and other shapes can also the most alternately.
As shown in the figure, in the present invention, the first described arc extinguishing grid pieces 1 two ends are provided with the second arc extinguishing grid pieces 2, the second described arc extinguishing grid pieces 2 is straight tabular in level, described first arc extinguishing grid pieces first surface 11 or second surface 12 and the second arc extinguishing grid pieces surface form the second spark chamber 8, and two ends use the second arc extinguishing grid pieces 2 can prevent electric arc from assembling too much.
As shown in the figure, in the present invention, the first described arc extinguishing grid pieces 1 and the second arc extinguishing grid pieces 2 include upper surface 9 and side 14 respectively, first spark chamber 7 and the second spark chamber 8 include striking mouth 13 and pressure release orifice 10, the striking mouth 13 of the first spark chamber 7 is positioned at the first arc quenching plate upper surface 9, the pressure release orifice 10 of the first spark chamber 7 is positioned at the side 14 of the first arc quenching plate, and the side 14 of the first arc quenching plate is perpendicular with the upper surface 9 of the first arc quenching plate；The striking mouth 13 of the second spark chamber 8 is positioned at the second arc quenching plate upper surface 9；The pressure release orifice 10 of the second spark chamber 8 is positioned at the side 14 of the second arc quenching plate, the side 14 of the second arc quenching plate is perpendicular with the upper surface 9 of the second arc quenching plate, each the first described arc extinguishing grid pieces 1 and the second arc extinguishing grid pieces 2 connect by being located at the connector 3 of side 14, the pressure release orifice 10 of the first spark chamber 7 and the second spark chamber 8 communicates with the external world, makes arc suppression chamber pressure be easier to release.
As it can be seen, in the present invention, on described connector, 3 are provided with some installing holes 4, and first described arc extinguishing grid pieces the 1, second arc extinguishing grid pieces 2 side 14 is provided with and the riveted block 5 of installing hole 4 adaptation, it is simple to installing/dismounting.
As it can be seen, in the present invention, first described arc extinguishing grid pieces the 1, second arc extinguishing grid pieces 2 side 14 is provided with and the mounting groove 6 of connector 3 adaptation, described connector 3 is embedded in mounting groove 6, described riveted block 5 is positioned at mounting groove 6, can be installed in groove by connector 3, save space.Certainly, the installation of connector 3 can also be by punching, and the mode such as clamping realizes, the present embodiment use for optimal way, other mounting means can also the most optionally.
As shown in the figure, in the present invention, a kind of miniature circuit breaker, described miniature circuit breaker includes the first shell and second housing 15, the first described shell and the fixing connection of second housing 15, it is provided with operating mechanism 151 in described second housing 15 cavity volume, tripping mechanism 152, arc-control device and contact system 153, arc-control device described here is mountable to miniature circuit breaker, the chopper of other adaptations can also be installed on, all can play the effect promoting arc quenching effect.
Embodiment is not construed as limitation of the present invention, but any spiritual improvements introduced based on the present invention, all should be within protection scope of the present invention.
Claims (4)
- null1. an arc-control device，Include first arc extinguishing grid pieces (1) of some intervals and parallel arrangement，It is characterized in that: described the first arc extinguishing grid pieces (1) includes being identical curved-surface structure and the first surface (11) being parallel to each other and second surface (12)，First spark chamber (7) of curved-surface structure is formed between first surface (11) and the second surface (12) of adjacent first arc extinguishing grid pieces of the first described arc extinguishing grid pieces，The curved-surface structure of described first surface (11) and second surface (12) is waveform，And described the first spark chamber (7) is waveform，Described the first arc extinguishing grid pieces (1) two ends are provided with the second arc extinguishing grid pieces (2)，Described the second arc extinguishing grid pieces (2) is straight tabular in level，Described first arc extinguishing grid pieces first surface (11) or second surface (12) and the second arc extinguishing grid pieces surface form the second spark chamber (8)，Described first arc extinguishing grid pieces (1) and the second arc extinguishing grid pieces (2) include upper surface (9) and side (14) respectively，First spark chamber (7) and the second spark chamber (8) include striking mouth (13) and pressure release orifice (10)，The striking mouth (13) of the first spark chamber (7) is positioned at the first arc quenching plate upper surface (9)，The pressure release orifice (10) of the first spark chamber (7) is positioned at the side (14) of the first arc quenching plate，The side (14) of the first arc quenching plate is perpendicular with the upper surface of the first arc quenching plate (9)；The striking mouth (13) of the second spark chamber (8) is positioned at the second arc quenching plate upper surface (9), the pressure release orifice (10) of the second spark chamber (8) is positioned at the side (14) of the second arc quenching plate, the side (14) of the second arc quenching plate is perpendicular with the upper surface of the second arc quenching plate (9), each described the first arc extinguishing grid pieces (1) and the second arc extinguishing grid pieces (2) connect by being located at the connector (3) of side (14), and the pressure release orifice (10) of the first spark chamber (7) and the second spark chamber (8) communicates with the external world.
- Arc-control device the most according to claim 1, it is characterized in that: on described connector, (3) are provided with some installing holes (4), described the first arc extinguishing grid pieces (1), the second arc extinguishing grid pieces (2) side (14) are provided with the riveted block (5) adaptive with installing hole (4).
- Arc-control device the most according to claim 2, it is characterized in that: described the first arc extinguishing grid pieces (1), the second arc extinguishing grid pieces (2) side (14) are provided with the mounting groove (6) adaptive with connector (3), described connector (3) is embedded in mounting groove (6), and described riveted block (5) is positioned at mounting groove (6).
- 4. a miniature circuit breaker, described miniature circuit breaker includes the first shell and second housing (15), the first described shell and the fixing connection of second housing (15), it is provided with operating mechanism (151) in described second housing (15) cavity volume, tripping mechanism (152), arc-control device and contact system (153), it is characterised in that: described arc-control device is arc-control device as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310427162.9A CN103531411B (en) | 2013-09-18 | 2013-09-18 | A kind of miniature circuit breaker and arc-control device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310427162.9A CN103531411B (en) | 2013-09-18 | 2013-09-18 | A kind of miniature circuit breaker and arc-control device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103531411A CN103531411A (en) | 2014-01-22 |
| CN103531411B true CN103531411B (en) | 2016-08-03 |
Family
ID=49933342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310427162.9A Expired - Fee Related CN103531411B (en) | 2013-09-18 | 2013-09-18 | A kind of miniature circuit breaker and arc-control device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103531411B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706063B (en) * | 2017-11-15 | 2020-10-16 | 常熟开关制造有限公司(原常熟开关厂） | Novel arc extinguishing grid piece and arc extinguishing chamber thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3923317B2 (en) * | 2002-01-18 | 2007-05-30 | 寺崎電気産業株式会社 | Circuit breaker |
| CN100483601C (en) * | 2006-01-25 | 2009-04-29 | 大全集团有限公司 | Air pressure arc-extinguishing device of the breaker |
| CN201374268Y (en) * | 2009-03-12 | 2009-12-30 | 常州市尔悦电力设备有限公司 | Arc chute |
| CN201374295Y (en) * | 2009-03-30 | 2009-12-30 | 常熟开关制造有限公司(原常熟开关厂） | Low-voltage breaker |
| CN202839493U (en) * | 2012-08-28 | 2013-03-27 | 浙江天正电气股份有限公司 | Operating mechanism and miniature breaker |
| CN203434109U (en) * | 2013-09-18 | 2014-02-12 | 浙江天正电气股份有限公司 | Miniature circuit breaker and arc-extinguishing device thereof |
-
2013
- 2013-09-18 CN CN201310427162.9A patent/CN103531411B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103531411A (en) | 2014-01-22 |
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