CN208674036U - A kind of arc-chutes for residual current circuit breaker - Google Patents
A kind of arc-chutes for residual current circuit breaker Download PDFInfo
- Publication number
- CN208674036U CN208674036U CN201821516131.5U CN201821516131U CN208674036U CN 208674036 U CN208674036 U CN 208674036U CN 201821516131 U CN201821516131 U CN 201821516131U CN 208674036 U CN208674036 U CN 208674036U
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- arc
- boss
- chutes
- circuit breaker
- current circuit
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Abstract
A kind of arc-chutes for residual current circuit breaker.Mainly solve the problems, such as that the arc-chutes arc quenching effect of present residual current circuit breaker is poor.The utility model provides a kind of arc-chutes for residual current circuit breaker, its substrate two sides is equipped with the first side plate and the second side plate, substrate middle-end is correspondingly provided with first boss and second boss, the first groove is equipped between first boss and the first side plate, it is equipped with the second groove between first boss and second boss, third groove is equipped between second boss and the second side plate, passes through the first groove, the second groove and third groove, can better elongating arc, to improve arc extinguishing ability.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, specially a kind of arc-chutes for residual current circuit breaker.
Background technique
Residual current circuit breaker is primarily adapted for use in exchange 50Hz, voltage rating 400V, the power distribution network of rated current to 800A
In network, it is used to provide people mediate contact protection, it is also possible to prevent from generating earth-fault current because of apparatus insulated damage and drawing
The fire hazard risen, and can be used to distribute the overload and short circuit of electric energy and protection circuit and power-supply device, it is alternatively arranged as route
Infrequently conversion and motor, which infrequently start, is used.
The arc-chutes arc quenching effect of present residual current circuit breaker is poor.
Utility model content
In order to overcome the shortcomings of background technique, the utility model provides a kind of arc-chutes for residual current circuit breaker,
Mainly solve the problems, such as that the arc-chutes arc quenching effect of present residual current circuit breaker is poor.
The technical scheme adopted by the utility model is
A kind of arc-chutes for residual current circuit breaker, including the first screen and the second screen, first screen and
Several arc extinguishing grid pieces are installed, the arc extinguishing grid pieces include substrate, and the substrate two sides are equipped with the first side plate between the second screen
With the second side plate, the substrate middle-end is correspondingly provided with first boss and second boss, the first boss and first side plate
Between be equipped with the first groove, between the first boss and the second boss be equipped with the second groove, the second boss and institute
It states and is equipped with third groove between the second side plate.
The height of the second boss is greater than the height of first boss.
The arc extinguishing grid pieces include identical first arc extinguishing grid pieces of structure and the second arc extinguishing grid pieces being disposed adjacent, and first goes out
The first boss of arc grid and the first boss of the second arc extinguishing grid pieces are staggered.
Several arc extinguishing grid pieces are in circular arc arrangement from top to bottom.
It further include run-on tab, arc striking piece with outward extension on the run-on tab.
First side plate is equipped with riveting block, and first screen is equipped with the riveting matched with the riveting block
Hole.
The arc extinguishing grid pieces are equipped with 9.
The beneficial effects of the utility model are: the utility model provides a kind of arc-chutes for residual current circuit breaker,
Its substrate two sides is equipped with the first side plate and the second side plate, and substrate middle-end is correspondingly provided with first boss and second boss, first boss
It is equipped with the first groove between the first side plate, the second groove, second boss and second are equipped between first boss and second boss
Third groove is equipped between side plate, by the first groove, the second groove and third groove, can better elongating arc, thus
Improve arc extinguishing ability.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the utility model one embodiment.
Fig. 2 is the sectional perspective schematic diagram of the utility model one embodiment.
Fig. 3 is the stereoscopic schematic diagram of the arc extinguishing grid pieces of the utility model one embodiment.
Fig. 4 is the stereoscopic schematic diagram of the two neighboring arc extinguishing grid pieces of the utility model one embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing: as shown, a kind of be used for residual current circuit breaker
Arc-chutes, including the first screen 1 and the second screen 2 are equipped with several arc-chutes between first screen and the second screen
Piece 3, it is characterised in that: the arc extinguishing grid pieces include substrate 31, and the substrate two sides are equipped with the first side plate 311 and the second side plate
312, the substrate middle-end is correspondingly provided with first boss 313 and second boss 314, the first boss and first side plate it
Between be equipped with the first groove 315, between the first boss and the second boss be equipped with the second groove 316, the second boss
Third groove 317 is equipped between second side plate.The utility model provides a kind of arc extinguishing for residual current circuit breaker
Room, substrate two sides are equipped with the first side plate and the second side plate, and substrate middle-end is correspondingly provided with first boss and second boss, and first is convex
It is equipped with the first groove between platform and the first side plate, the second groove, second boss and the are equipped between first boss and second boss
Third groove is equipped between two side plates, by the first groove, the second groove and third groove, can better elongating arc, from
And improve arc extinguishing ability.
In the present embodiment, as shown, the height of the second boss is greater than the height of first boss.It can be better
Elongating arc.
In the present embodiment, as shown, the arc extinguishing grid pieces include identical first arc-chute of structure being disposed adjacent
The first boss of piece 301 and the second arc extinguishing grid pieces 302, the first boss of the first arc extinguishing grid pieces and the second arc extinguishing grid pieces is staggeredly set
It sets.That is adjacent arc extinguishing grid pieces are reversely installed, and the first side plate of the first arc extinguishing grid pieces is connect with the first screen, the
Two side plates are connect with the second screen, and the first side plate of the second arc extinguishing grid pieces is connect with the second screen, the second side plate and the first screen
The ability that electric arc is cut into short electric arc is reinforced in connection.
In the present embodiment, as shown, several arc extinguishing grid pieces are in circular arc arrangement from top to bottom.Arc extinguishing grid pieces circular arc
Shape alignment placement, this circular arc arc core and shaft are concentric, equal always with arc extinguishing grid pieces distance in moving contact motion process to guarantee.
In the present embodiment, as shown, further including run-on tab 4, arc striking piece with outward extension on the run-on tab
41.Enhance striking ability, arc quenching effect is stronger.
In the present embodiment, as shown, first side plate is equipped with riveting block 3111, first screen is equipped with
The riveted holes matched with the riveting block.It is easy for installation.
In the present embodiment, as shown, the arc extinguishing grid pieces are equipped with 9.Product body is not increased at it compared to 7, old type
The high-voltage arc generated when disjunction is set to be easier to be cut into low-voltage short arc by arc extinguishing grid pieces in the case where product, to reach more
Rapid arc quenching effect.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as pair
The limitation of the utility model.Embodiment is not construed as limitations of the present invention, but any spirit based on the utility model
Improvements introduced should be all within the protection scope of the utility model.
Claims (7)
1. a kind of arc-chutes for residual current circuit breaker, including the first screen (1) and the second screen (2), the first grid
Several arc extinguishing grid pieces (3) are installed, it is characterised in that: the arc extinguishing grid pieces include substrate (31), institute between plate and the second screen
Substrate two sides are stated equipped with the first side plate (311) and the second side plate (312), the substrate middle-end is correspondingly provided with first boss (313)
With second boss (314), the first groove (315) are equipped between the first boss and first side plate, the first boss
The second groove (316) are equipped between the second boss, it is recessed that third is equipped between the second boss and second side plate
Slot (317).
2. a kind of arc-chutes for residual current circuit breaker according to claim 1, it is characterised in that: described second is convex
The height of platform is greater than the height of first boss.
3. a kind of arc-chutes for residual current circuit breaker according to claim 2, it is characterised in that: the arc-chute
Piece includes identical first arc extinguishing grid pieces (301) of structure being disposed adjacent and the second arc extinguishing grid pieces (302), the first arc extinguishing grid pieces
First boss and the first boss of the second arc extinguishing grid pieces are staggered.
4. a kind of arc-chutes for residual current circuit breaker according to claim 3, it is characterised in that: go out described in several
Arc grid is in circular arc arrangement from top to bottom.
5. a kind of arc-chutes for residual current circuit breaker according to claim 4, it is characterised in that: further include striking
Plate (4), arc striking piece (41) with outward extension on the run-on tab.
6. a kind of arc-chutes for residual current circuit breaker according to claim 5, it is characterised in that: first side
Plate is equipped with riveting block (3111), and first screen is equipped with the riveted holes matched with the riveting block.
7. a kind of arc-chutes for residual current circuit breaker according to claim 6, it is characterised in that: the arc-chute
Piece is equipped with 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516131.5U CN208674036U (en) | 2018-09-17 | 2018-09-17 | A kind of arc-chutes for residual current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516131.5U CN208674036U (en) | 2018-09-17 | 2018-09-17 | A kind of arc-chutes for residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674036U true CN208674036U (en) | 2019-03-29 |
Family
ID=65842182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821516131.5U Active CN208674036U (en) | 2018-09-17 | 2018-09-17 | A kind of arc-chutes for residual current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208674036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820568A (en) * | 2021-02-08 | 2021-05-18 | 厦门宏发开关设备有限公司 | Arc extinguish chamber structure and circuit breaker |
| WO2022181985A1 (en) * | 2021-02-26 | 2022-09-01 | 엘에스일렉트릭 (주) | Load break switch |
-
2018
- 2018-09-17 CN CN201821516131.5U patent/CN208674036U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820568A (en) * | 2021-02-08 | 2021-05-18 | 厦门宏发开关设备有限公司 | Arc extinguish chamber structure and circuit breaker |
| WO2022181985A1 (en) * | 2021-02-26 | 2022-09-01 | 엘에스일렉트릭 (주) | Load break switch |
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