CN219658636U - General circuit breaker shell structure of alternating current-direct current - Google Patents
General circuit breaker shell structure of alternating current-direct current Download PDFInfo
- Publication number
- CN219658636U CN219658636U CN202321226472.XU CN202321226472U CN219658636U CN 219658636 U CN219658636 U CN 219658636U CN 202321226472 U CN202321226472 U CN 202321226472U CN 219658636 U CN219658636 U CN 219658636U
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- circuit breaker
- arc
- static contact
- placing
- face
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 238000004880 explosion Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A circuit breaker shell structure for AC/DC. Mainly solves the problem that two general AC/DC mounting structures are not available in the market at present. The method is characterized in that: the inner walls of the two sides of the shell are provided with bosses (4), the static contact comprises a static contact piece (21) and an arc striking piece (22), the static contact piece is provided with a static contact (211), and one end of the arc striking piece is arranged towards the arc extinguishing chamber; a clamping groove (23) for clamping the magnetic conductive column (31) and a placing groove (24) for placing the magnetic steel (32) are formed between the static contact piece and the striking piece; the two bosses are used for placing the upper end face and/or the lower end face of the magnetic conduction column; the two bosses are used for placing the upper end face and/or the lower end face of the magnetic steel. The utility model provides an AC/DC universal circuit breaker shell structure, which can be provided with magnetic steel or a magnetic conductive column, is suitable for AC/DC requirements and has stronger universality.
Description
Technical Field
The utility model relates to the field of circuit breakers, in particular to an alternating current-direct current universal circuit breaker shell structure.
Background
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time.
Magnetic poles are often used in alternating current circuit breakers, magnetic steel is adopted in direct current circuit breakers, and a shell structure with two general mounting structures is not available in the market at present.
Disclosure of Invention
In order to overcome the defects of the background technology, the utility model provides an AC/DC universal circuit breaker shell structure, which mainly solves the problem that two AC/DC mounting structures can not be commonly used in the market at present.
The technical scheme adopted by the utility model is as follows:
the utility model provides a general circuit breaker shell structure of alternating current-direct current, includes the casing, be equipped with stationary contact and explosion chamber in the casing, the casing both sides inner wall is equipped with the boss, the stationary contact includes stationary contact and striking piece, be equipped with stationary contact on the stationary contact, striking piece one end sets up towards the explosion chamber;
a clamping groove for clamping the magnetic conduction column and a placing groove for placing magnetic steel are formed between the static contact piece and the striking piece;
the two bosses are used for placing the upper end face and/or the lower end face of the magnetic conduction column;
the two bosses are used for placing the upper end face and/or the lower end face of the magnetic steel.
The boss is provided with an arc striking groove for guiding an arc to enter the arc extinguishing chamber.
One end of the arc striking groove extends to one side of the fixed contact, and the other end of the arc striking groove extends to one side of the opening of the arc extinguishing chamber.
The placing groove is of a C-shaped structure.
The explosion chamber comprises a plurality of arc-extinguishing grid sheets, an empty slot is arranged between every two adjacent arc-extinguishing grid sheets, a plurality of positioning protrusions are arranged on the shell, and one positioning protrusion is arranged in one empty slot.
The cross section of the positioning bulge is rectangular.
The beneficial effects of the utility model are as follows: the utility model provides an AC/DC universal circuit breaker shell structure, which can be provided with magnetic steel or a magnetic conductive column, is suitable for AC/DC requirements and has stronger universality.
Drawings
Fig. 1 is an internal perspective view of an embodiment of the present utility model.
Fig. 2 is a partial perspective view of an embodiment of the present utility model.
Fig. 3 is a partial perspective view of another embodiment of the present utility model.
Fig. 4 is a partial perspective view of another embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings: as shown in the figure, the circuit breaker shell structure for AC/DC use comprises a shell 1, wherein a fixed contact 2 and an arc extinguishing chamber 3 are arranged in the shell, bosses 4 are arranged on the inner walls of two sides of the shell, the fixed contact comprises a fixed contact piece 21 and an arc striking piece 22, a fixed contact 211 is arranged on the fixed contact piece, and one end of the arc striking piece is arranged towards the arc extinguishing chamber; a clamping groove 23 for clamping the magnetic conductive column 31 and a placing groove 24 for placing the magnetic steel 32 are formed between the static contact piece and the striking piece; the two bosses are used for placing the upper end face and/or the lower end face of the magnetic conduction column; the two bosses are used for placing the upper end face and/or the lower end face of the magnetic steel. The magnet steel and magnetic conduction post can be installed alternatively, when installing magnetic conduction post, its circumference outer wall is by centre gripping groove centre gripping, and preceding terminal surface is spacing by the boss, when installing the magnet steel, puts the magnet steel in preventing the inslot, and preceding terminal surface is spacing by the boss, and this shell structure can adapt two kinds of mounting means, and the commonality is stronger. The casing is assembled by base and upper cover, all is equipped with the boss on base and the upper cover.
In this embodiment, as shown, the boss is provided with an arc striking slot 41 for guiding the arc into the arc chute. Playing a better role in striking arcs.
In this embodiment, as shown in the figure, one end of the arc striking slot extends to one side of the fixed contact, and the other end extends to one side of the opening of the arc extinguishing chamber. Such an arrangement is more advantageous for the entry of the arc into the arc chute.
In this embodiment, as shown in the figure, the placement groove has a C-shaped structure.
In this embodiment, as shown in the figure, the arc extinguishing chamber includes a plurality of arc extinguishing bars 311, a hollow groove 321 is disposed between adjacent arc extinguishing bars, a plurality of positioning protrusions 12 are disposed on the housing, and one positioning protrusion is disposed in one hollow groove. The installation is more stable.
In this embodiment, as shown in the drawing, the cross section of the positioning protrusion is rectangular. The whole structure is more stable.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.
Claims (6)
1. The utility model provides a general circuit breaker shell structure of alternating current-direct current, includes casing (1), be equipped with static contact (2) and explosion chamber (3) in the casing, its characterized in that: the inner walls of the two sides of the shell are provided with bosses (4), the static contact comprises a static contact piece (21) and an arc striking piece (22), the static contact piece is provided with a static contact (211), and one end of the arc striking piece is arranged towards the arc extinguishing chamber;
a clamping groove (23) for clamping the magnetic conductive column (31) and a placing groove (24) for placing the magnetic steel (32) are formed between the static contact piece and the striking piece;
the two bosses are used for placing the upper end face and/or the lower end face of the magnetic conduction column;
the two bosses are used for placing the upper end face and/or the lower end face of the magnetic steel.
2. An ac/dc circuit breaker housing structure according to claim 1, wherein: the boss is provided with an arc striking slot (41) for guiding an arc into the arc extinguishing chamber.
3. An ac/dc circuit breaker housing structure according to claim 2, wherein: one end of the arc striking groove extends to one side of the fixed contact, and the other end of the arc striking groove extends to one side of the opening of the arc extinguishing chamber.
4. An ac/dc circuit breaker housing structure according to claim 1, wherein: the placing groove is of a C-shaped structure.
5. An ac/dc circuit breaker housing structure according to any one of claims 1 to 4, wherein: the arc extinguishing chamber comprises a plurality of arc extinguishing grid plates (311), empty slots (321) are arranged between the adjacent arc extinguishing grid plates, a plurality of positioning protrusions (12) are arranged on the shell, and one positioning protrusion is arranged in one empty slot.
6. An ac/dc circuit breaker housing structure according to claim 5, wherein: the cross section of the positioning bulge is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226472.XU CN219658636U (en) | 2023-05-18 | 2023-05-18 | General circuit breaker shell structure of alternating current-direct current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226472.XU CN219658636U (en) | 2023-05-18 | 2023-05-18 | General circuit breaker shell structure of alternating current-direct current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219658636U true CN219658636U (en) | 2023-09-08 |
Family
ID=87860242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226472.XU Active CN219658636U (en) | 2023-05-18 | 2023-05-18 | General circuit breaker shell structure of alternating current-direct current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219658636U (en) |
-
2023
- 2023-05-18 CN CN202321226472.XU patent/CN219658636U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang. Patentee after: Zhejiang Chuangqi Electric Co.,Ltd. Address before: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang. Patentee before: ZHEJIANG CHUANGQI ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |