CN219958908U - Arc extinguishing device - Google Patents
Arc extinguishing device Download PDFInfo
- Publication number
- CN219958908U CN219958908U CN202321661817.4U CN202321661817U CN219958908U CN 219958908 U CN219958908 U CN 219958908U CN 202321661817 U CN202321661817 U CN 202321661817U CN 219958908 U CN219958908 U CN 219958908U
- Authority
- CN
- China
- Prior art keywords
- arc
- arc extinguishing
- conductive sheet
- conducting strip
- extinguishing device
- 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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Links
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses an arc extinguishing device, which belongs to the technical field of breaker accessories and comprises an arc extinguishing chamber main body, wherein the arc extinguishing chamber main body comprises arc extinguishing grid sheets and arc baffles arranged on two sides of the arc extinguishing grid sheets, the two sides of the arc extinguishing grid sheets are respectively provided with a left conductive sheet and a right conductive sheet, the lower ends of the left conductive sheet and the right conductive sheet are provided with bottom plates, one side of each arc baffle is provided with a mounting plate, the arc extinguishing grid sheets consist of A, B, C sections, wherein A, C sections are smooth sections, and section B is an arc section, and the structure is more reasonable and effective.
Description
Technical Field
The utility model belongs to the technical field of breaker accessories, and particularly relates to an arc extinguishing device.
Background
The plastic case circuit breaker is a switching device applied in low voltage distribution line, which can close, load and break current under normal loop condition and can close, load and break current under abnormal loop condition in a prescribed time. When the molded case circuit breaker is opened, an arc can be generated at the contact, and if the arc is not extinguished in time, the breaking capacity of the circuit breaker can be affected.
The existing arc-extinguishing chamber is of a short structure generally, and the integral structure of the existing arc-extinguishing chamber has the defect. Therefore, it is necessary to relate to an arc extinguishing device.
Disclosure of Invention
Aiming at the problems, the utility model provides the arc extinguishing device, which has a more reasonable and effective structure.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides an arc extinguishing device, includes the explosion chamber main part, the explosion chamber main part includes the arc chute piece and sets up in the arc barrier of arc chute piece both sides, arc chute piece both sides are provided with left conducting strip and right conducting strip respectively, left side conducting strip and right conducting strip lower extreme are provided with the bottom plate, arc barrier one side is provided with the mounting panel, the arc chute piece comprises A, B, C three sections, and wherein A, C two sections are smooth section, and the B section is the circular arc section.
Preferably, the left conductive sheet and the right conductive sheet are provided with upper air outlets, and the bottom plate is provided with lower air outlets.
Preferably, two arc discharge grooves are formed in the lower end of the arc extinguishing grid piece.
Preferably, the bottom plate is provided with a folding portion, and the folding portion abuts against the lower end of the arc-shaped baffle.
Preferably, the right conducting strip extends to be arranged at the middle part of the arc extinguishing chamber main body and the lower end of the mounting plate, and the tail end of the right conducting strip is in an upturned structure.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
according to the arc extinguishing chamber, the arc extinguishing chamber body adopts a rectangular shape, the arc extinguishing grid plates are of a A, B, C three-section structure, the leveling section and the arc section are matched and matched to effectively separate the trend of an arc, the upper air outlet and the lower air outlet are arranged, wherein high-voltage arc of the leveling section is discharged from the upper air outlet, low-voltage arc of the arc section is discharged from the lower air outlet, the whole arc extinguishing chamber body structure is more reasonable, the arc striking and extinguishing effects are realized more efficiently, and the service life of the arc extinguishing chamber body is ensured.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an arc extinguishing device.
Fig. 2 is a schematic diagram of an overall structure of an arc extinguishing device.
Fig. 3 is a schematic view of a part of an arc extinguishing device.
Fig. 4 is a schematic view of an arc extinguishing grating structure of an arc extinguishing device.
Fig. 5 is a side view of an arc chute of an arc extinguishing device.
The correspondence between the reference numerals and the component names in the drawings is as follows:
10. an arc extinguishing chamber main body; 11. a left conductive sheet; 111. an upper air outlet; 12. a right conductive sheet; 13. arc extinguishing grid plates; 131. arc discharge grooves; 20. a bottom plate; 21. a lower air outlet; 30. and (3) mounting a plate.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-5, which is a schematic structural diagram of an arc extinguishing device according to a preferred embodiment of the present utility model, the embodiment includes an arc extinguishing chamber main body 10, the arc extinguishing chamber main body 10 includes arc extinguishing gate sheets 13 and arc baffles disposed at two sides of the arc extinguishing gate sheets 13, two sides of the arc extinguishing gate sheets 13 are respectively provided with a left conductive sheet 11 and a right conductive sheet 12, lower ends of the left conductive sheet 11 and the right conductive sheet 12 are provided with a bottom plate 20, one side of each arc baffle is provided with a mounting plate 30, the arc extinguishing gate sheets 13 is composed of A, B, C three sections, wherein A, C two sections are flat sections, B sections are arc sections, the arc extinguishing chamber main body 10 adopts a rectangular shape, the arc extinguishing gate sheets 13 are in a A, B, C three-section structure, the flat sections and the arc sections are matched and matched effectively separate the trend of the arc, an upper air outlet 111 and a lower air outlet 21 are provided, high-voltage arcs of the flat sections are discharged from the upper air outlet 111, low-voltage arcs of the arc extinguishing chamber main body 10 are more reasonable in structure, the functions of the arc extinguishing chamber main body 10 are more effectively realized, and the service life of the arc extinguishing chamber main body 10 is ensured.
In this embodiment, the left conductive sheet 11 and the right conductive sheet 12 are provided with an upper air outlet 111, the bottom plate 20 is provided with a lower air outlet 21, and four air outlets are respectively provided and are placed at reasonable positions, so that the functions of arc discharge and arc striking are enhanced.
In this embodiment, two arc-striking grooves 131 are provided at the lower end of the arc-extinguishing grid 13, which play an arc striking role for the arc.
In this embodiment, the bottom plate 20 is provided with a folding portion, the folding portion is abutted to the lower end of the arc-isolation plate, and an air outlet is formed on the bottom plate 20 when the assembly of the arc-extinguishing chamber main body 10 is completed, so that air outlet is more reasonable.
In this embodiment, the right conductive sheet 12 is disposed at the middle of the arc extinguishing chamber body 10 and at the lower end of the mounting plate 30 in an extending manner, and the end of the right conductive sheet 12 is in an upturned structure, so that the end of the conductive sheet upturns, thereby being more beneficial to arc striking.
The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.
Claims (5)
1. An arc-extinguishing device, which comprises a base, a plurality of arc-extinguishing plates,
the method is characterized in that:
including the explosion chamber main part, the explosion chamber main part includes the arc chute piece and sets up in the arc barrier of arc chute piece both sides, arc chute piece both sides are provided with left conducting strip and right conducting strip respectively, left side conducting strip and right conducting strip lower extreme are provided with the bottom plate, arc barrier one side is provided with the mounting panel, the arc chute piece comprises A, B, C three sections, and wherein A, C two sections are the smooth section, and the B section is the circular arc section.
2. The arc extinguishing device according to claim 1, wherein: the left conductive sheet and the right conductive sheet are provided with upper air outlets, and the bottom plate is provided with lower air outlets.
3. The arc extinguishing device according to claim 1, wherein: two arc-extinguishing grooves are formed in the lower end of the arc-extinguishing grid piece.
4. The arc extinguishing device according to claim 1, wherein: the bottom plate is provided with a folding part, and the folding part is abutted to the lower end of the flash barrier.
5. The arc extinguishing device according to claim 1, wherein: the right conducting strip extends to be arranged at the middle part of the arc extinguish chamber main body and the lower end of the mounting plate, and the tail end of the right conducting strip is in an upturned structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661817.4U CN219958908U (en) | 2023-06-28 | 2023-06-28 | Arc extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661817.4U CN219958908U (en) | 2023-06-28 | 2023-06-28 | Arc extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219958908U true CN219958908U (en) | 2023-11-03 |
Family
ID=88537372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321661817.4U Active CN219958908U (en) | 2023-06-28 | 2023-06-28 | Arc extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219958908U (en) |
-
2023
- 2023-06-28 CN CN202321661817.4U patent/CN219958908U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |