CN204857638U - Prepayment circuit breaker arc initiation device - Google Patents
Prepayment circuit breaker arc initiation device Download PDFInfo
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- CN204857638U CN204857638U CN201520588519.6U CN201520588519U CN204857638U CN 204857638 U CN204857638 U CN 204857638U CN 201520588519 U CN201520588519 U CN 201520588519U CN 204857638 U CN204857638 U CN 204857638U
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- stationary contact
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- bending
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Abstract
The utility model discloses a prepayment circuit breaker arc initiation device, which comprises an outer casing, install the electromagnetism release in the shell body, electrically conductive system, electronic controller, arc extinguishing system and tripping device, the lower part of shell body has been seted up and has been let out the nock, electrically conductive system includes the run -on plate, the wiring board, the moving contact, the contact is supported and the stationary contact pole, after buckling, the run -on plate forms two parallel portions that are parallel to each other, run -on plate department sets up to connecing the cambered surface, run -on plate one end sets up to the L shape welding boss of bending, the other end sets up the striking face for bending, striking face is fixed in the constant head tank on the shell body, after buckling, the stationary contact pole becomes a capable or U type of V, be provided with the location boss of two correspondences on the stationary contact pole, be provided with the welding silver contact on the face of buckling of stationary contact pole, the electromagnetism release fits outside the dropout iron core through the trip coil cover, the electromagnetism release inserts electronic controller through the lead wire, beneficial effect: the magnetic blow -out is effectual, and the striking is fast, is showing the breaking capacity who improves the prepayment circuit breaker.
Description
Technical field
The utility model relates to a kind of circuit breaker parts, particularly a kind of prepayment breaker arc-initiating device.
Background technology
Circuit breaker (English name: circuit-breaker, circuitbreaker) refer to the electric current that can close, carry and cut-off under normal loop condition and can close, the switching device of carrying and the electric current under cut-offfing abnormal loop condition in official hour.Circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application, and high-low pressure identification of boundaries is fuzzyyer, is called High-Voltage Electrical Appliances generally by more than 3kV.
Circuit breaker can be used to distribute electric energy; infrequently start asynchronous motor; protection is carried out to power circuit and motor etc., can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they, its function is equivalent to Fuse switch and the combination of crossing underheat relay etc.And generally do not need to change parts after disjunction fault current.At present, obtain a wide range of applications.
In electric generation, conveying, use, distribution is an extremely important link.Distribution system comprises transformer and various high and low voltage electrical equipment equipment, and low-voltage circuit breaker is then the electrical equipment that a kind of use has a large capacity and a wide range.
For the ease of controlling, prepayment breaker is used by people widely.Arc-initiating device in existing prepayment breaker, structure is sent out assorted, magnetic blow-out weak effect, and striking speed is slow, and pitch capability is poor.
Utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, provides a kind of prepayment breaker arc-initiating device.
To achieve these goals, the measure taked of the utility model:
A kind of prepayment breaker arc-initiating device, comprise shell body, in shell body, magnetictrip is installed, conducting system, electronic controller, arc quenching system and tripping mechanism, the bottom of shell body offers lets out nock, described conducting system comprises run-on tab, terminal block, moving contact, contact is supported and stationary contact bar, two parallel portion be parallel to each other are formed after run-on tab bending, run-on tab place is set to connect cambered surface, run-on tab one end is set to L shape bending welding boss, the other end is set to the arc ignition face of bending, arc ignition face is fixed in the location notch on shell body, become a V capable or U-shaped after the bending of stationary contact bar, stationary contact bar is provided with two corresponding positioning boss, the bending side of stationary contact bar is provided with welding silver contact, magnetictrip is sleeved on outside dropout iron core by tripping coil, magnetictrip is linked into electronic controller by lead-in wire,
Described arc ignition face is provided with cambered surface and plane;
Described stationary contact bar is integral type structure;
The end of described stationary contact bar is provided with a rhombus chamfering;
Described dropout iron core comprises dynamic iron core, static iron core, spring, push rod and skeleton.
The beneficial effects of the utility model: structure is simple, and magnetic blow-out is effective, striking speed is fast, significantly improves the breaking capacity of prepayment breaker.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present utility model.
Fig. 2 is conducting system structural representation of the present utility model.
Fig. 3 is run-on tab structural representation of the present utility model.
Embodiment
A kind of prepayment breaker arc-initiating device, comprise shell body 1, magnetictrip 2 is installed in shell body 1, conducting system 5, electronic controller 3, arc quenching system 4 and tripping mechanism 6, the bottom of shell body 1 offers lets out nock 120, described conducting system 5 comprises run-on tab 530, terminal block, moving contact 520, contact is supported and stationary contact bar 510, run-on tab 530 bends rear formation two parallel portion be parallel to each other, run-on tab 530 place is set to connect cambered surface 5310, run-on tab 530 one end is set to L shape bending welding boss 5330, the other end is set to the arc ignition face 5320 of bending, arc ignition face 5320 is fixed in the location notch 110 on shell body 1, it is capable or U-shaped that stationary contact bar 510 bends rear one-tenth V, stationary contact bar 510 is provided with two corresponding positioning boss, the bending side of stationary contact bar 510 is provided with welding silver contact 5120, magnetictrip 2 is sleeved on outside dropout iron core by tripping coil, magnetictrip 2 is linked into electronic controller 3 by lead-in wire.
Described arc ignition face 5320 is provided with cambered surface and plane.
Described stationary contact bar 510 is integral type structure.
The end of described stationary contact bar 510 is provided with a rhombus chamfering 5110.
Described dropout iron core comprises dynamic iron core, static iron core, spring, push rod and skeleton.
As shown in Figure 1,2 and 3, when controlling blackout in subscriber arrearage table, electronic controller 3 detects signal, after electronic controller 3 processing signals, instruction is amplified and transfer to magnetictrip 2, dropout iron core adhesive action in magnetictrip 2, tripping mechanism 6 is driven to thread off, circuit breaker interlock open circuit.Divide during deenergizing and produce electric arc, the welding silver contact 5120 of the stationary contact bar 510 of electric arc one end in conducting system 5 transfers to rhombus chamfering 5110, moving contact 520 arcing of the electric arc other end in conducting system 5, by on run-on tab 530 the cambered surface 5310 that connects cause in arc ignition face 5320, segmentation cooling is carried out again along arc ignition face 5320 fast moving to arc quenching system 4, arc is let out again by nock 120 passage of letting out on shell body 1, let out nock 120 and be provided with two, whole circuit breaking course after realizing pre-payment trip action.
Claims (5)
1. a prepayment breaker arc-initiating device, comprise shell body (1), magnetictrip (2) is installed in shell body (1), conducting system (5), electronic controller (3), arc quenching system (4) and tripping mechanism (6), the bottom of shell body (1) offers lets out nock (120), it is characterized in that: described conducting system (5) comprises run-on tab (530), terminal block, moving contact (520), contact is supported and stationary contact bar (510), two parallel portion be parallel to each other are formed after run-on tab (530) bending, run-on tab (530) place is set to connect cambered surface (5310), run-on tab (530) one end is set to L shape bending welding boss (5330), the other end is set to the arc ignition face (5320) of bending, arc ignition face (5320) is fixed in the location notch (110) on shell body (1), become a V capable or U-shaped after stationary contact bar (510) bending, stationary contact bar (510) is provided with two corresponding positioning boss, the bending side of stationary contact bar (510) is provided with welding silver contact (5120), magnetictrip (2) is sleeved on outside dropout iron core by tripping coil, magnetictrip (2) is linked into electronic controller (3) by lead-in wire.
2. a kind of prepayment breaker arc-initiating device according to claim 1, is characterized in that: described arc ignition face (5320) is provided with cambered surface and plane.
3. a kind of prepayment breaker arc-initiating device according to claim 1 and 2, is characterized in that: described stationary contact bar (510) is integral type structure.
4. a kind of prepayment breaker arc-initiating device according to claim 3, is characterized in that: the end of described stationary contact bar (510) is provided with a rhombus chamfering (5110).
5. a kind of prepayment breaker arc-initiating device according to claim 4, is characterized in that: described dropout iron core comprises dynamic iron core, static iron core, spring, push rod and skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588519.6U CN204857638U (en) | 2015-08-06 | 2015-08-06 | Prepayment circuit breaker arc initiation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588519.6U CN204857638U (en) | 2015-08-06 | 2015-08-06 | Prepayment circuit breaker arc initiation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857638U true CN204857638U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588519.6U Active CN204857638U (en) | 2015-08-06 | 2015-08-06 | Prepayment circuit breaker arc initiation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047496A (en) * | 2015-08-06 | 2015-11-11 | 浙江凯发电气股份有限公司 | Prepaid breaker arc-initiating device |
| CN108666184A (en) * | 2017-03-31 | 2018-10-16 | 温州圣普电气有限公司 | High current miniature circuit breaker |
| CN114050096A (en) * | 2021-11-11 | 2022-02-15 | 西安理工大学 | Miniature circuit breaker arc extinguishing system and have its miniature circuit breaker |
-
2015
- 2015-08-06 CN CN201520588519.6U patent/CN204857638U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047496A (en) * | 2015-08-06 | 2015-11-11 | 浙江凯发电气股份有限公司 | Prepaid breaker arc-initiating device |
| CN108666184A (en) * | 2017-03-31 | 2018-10-16 | 温州圣普电气有限公司 | High current miniature circuit breaker |
| CN108666184B (en) * | 2017-03-31 | 2023-08-15 | 温州圣普电气有限公司 | Large-current miniature circuit breaker |
| CN114050096A (en) * | 2021-11-11 | 2022-02-15 | 西安理工大学 | Miniature circuit breaker arc extinguishing system and have its miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee after: Zhejiang Kai FA Electric Co., Ltd. Address before: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee before: ZHEJIANG KAIFA ELECTRICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd. Address before: 325000 white elephant road 2-1, North white elephant Town, Yueqing, Wenzhou, Zhejiang (South Tower) Patentee before: Zhejiang Kai FA Electric Co., Ltd. |
|
| CP03 | Change of name, title or address |