CN204577384U - Circuit breaker static contact - Google Patents
Circuit breaker static contact Download PDFInfo
- Publication number
- CN204577384U CN204577384U CN201520325563.8U CN201520325563U CN204577384U CN 204577384 U CN204577384 U CN 204577384U CN 201520325563 U CN201520325563 U CN 201520325563U CN 204577384 U CN204577384 U CN 204577384U
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- China
- Prior art keywords
- circuit breaker
- conducting strip
- striking piece
- output terminal
- arc striking
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Abstract
The utility model discloses a kind of circuit breaker static contact, comprise quiet conducting strip, one end of described quiet conducting strip is current enter, the other end is current output terminal, described current output terminal is provided with silver contact and arc striking piece, and described silver contact and arc striking piece are arranged on the same side of current output terminal, its technical essential is: one end of described arc striking piece and quiet conducting strip grafting, aims to provide that a kind of intensity is high, the circuit breaker static contact of saving resource.
Description
Technical field
The utility model relates to a kind of breaker assembly, and more particularly, it relates to a kind of fixed contact of circuit breaker.
Background technology
Circuit breaker is as important circuit protecting element, and wherein mainly comprise the arc quenching system for the dynamic/static contact of connecting circuit, the divide-shut brake assembly controlling to divide end and elimination electric arc, three is indispensable.
At present, (application number is the static contact structure that the Chinese patent of CN201110007148.4 discloses a kind of breaker of plastic casing) on market, it comprises that static conductive rod left end is electric current end of incoming cables, right-hand member is current outlet end and right-hand member place is bent into a bending leg left, and bending leg upper surface is connected with silver contact; Static conductive rod mid portion has a tearing notch part, and the bending left of tearing notch part forms striking grid, and striking grid is near silver contact and be positioned at the lower end of arc extinguishing grid pieces and the upper part of striking grid is parallel with arc extinguishing grid pieces; Using a part for static conductive rod as striking grid, avoid in arc control device the process of installing striking grid; With the arc extinguishing grid pieces angle parallel in arc control device after the bending of striking grid, be conducive to electric arc and enter arc control device; Iron plate can strengthen magnetic field, and to attract electric arc, arc root is jumping to from fixed contact after in striking grid, striking grid can continue to carry larger short circuit current, strengthen arc quenching effect, electric arc can be avoided in the burning of fixed contact place, ensure that circuit breaker has good connecting-disconnecting function.
Aforementioned patents disclose a kind of structure-improved of fixed contact in circuit breaker, but arc striking piece is wherein identical with the static contact structure of main flow in the market, arc striking piece and fixed contact are still and are wholely set, by being bent to form, such structure not only can have an impact to the stress distribution of fixed contact itself, causes bending place fragile especially; In the process of processing, need material arc striking piece part being reserved to quite a few, directly cause raw materials size to increase, the scrappy bulk cargo produced after punching fixed contact is more simultaneously, is unfavorable for the center improvement thought of industry energy conservation environmental protection.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide that a kind of intensity is high, the circuit breaker static contact of saving resource.
For achieving the above object, the utility model provides following technical scheme: a kind of circuit breaker static contact, comprise quiet conducting strip, one end of described quiet conducting strip is current enter, the other end is current output terminal, described current output terminal is provided with silver contact and arc striking piece, and described silver contact and arc striking piece are arranged on the same side of current output terminal, wherein: one end of described arc striking piece and quiet conducting strip grafting.
By adopting technique scheme, described arc striking piece is removably connected with quiet conducting strip, do not need to bend quiet conducting strip, thus ensure that the bulk strength of quiet conducting strip, and this arc striking piece is undertaken processing by the clout of stamping-out plate material, the scrappy material produced in the quiet conducting strip process of effective utilization processing, saving resource, greatly reduces production cost.
The utility model is set to further: described current output terminal is provided with red steel paper towards the side of arc striking piece.
By adopting technique scheme, arrange red steel paper by the side at silver contact, the high temperature effectively preventing electric arc from bringing produces oxidation, corrosion to quiet conducting strip, avoids quiet conducting strip to reduce its electrical efficiency because of the permanent impact of electric arc.
The utility model is set to further: the surrounding of described silver contact offers U-shaped hollow out, and the base of described U-shaped hollow out is towards current enter.
By adopting technique scheme, between silver contact and quiet conducting strip, separation is made by this hollow out, the current enter diffusing to quiet conducting strip from silver-colored acnode that the high temperature preventing from contact from dividing producing during end is too fast, avoids external wire therefore too fast aging, extends the useful life of circuit breaker.
The utility model is set to further: described arc striking piece is plugged between U-shaped hollow out and silver contact.
By adopting such scheme, effectively electric arc is limited between silver contact and U-shaped hollow out, thus, even if it is also on the extended line of current enter and silver contact line that electric arc produces oxidation to current output terminal, effectively reduce, avoid quiet conducting strip by the impact of arc oxidation for its electric conductivity.
The utility model is set to further: described red steel disc covers described U-shaped hollow out.
By adopting technique scheme, prevent electric arc from producing destruction through U-shaped hollow out to the housing of circuit breaker.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model circuit breaker static contact embodiment;
Fig. 2 is the exploded perspective view of the utility model circuit breaker static contact embodiment.
Accompanying drawing illustrates: 1, quiet conducting strip; 2, current enter; 3, current output terminal; 4, silver contact; 5, arc striking piece; 6, red steel paper; 7, U-shaped hollow out; 8, connection-peg; 9, jack.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model circuit breaker static contact embodiment is described further.
A kind of circuit breaker static contact, comprise quiet conducting strip 1, one end of described quiet conducting strip 1 is current enter 2, the other end is current output terminal 3, described current output terminal 3 is provided with silver contact 4 and arc striking piece 5, and described silver contact 4 and arc striking piece 5 are arranged on the same side of current output terminal 3, wherein: as shown in Figure of description 2, one end of described arc striking piece 5 arranges connection-peg 8, quiet conducting strip 1 offers jack 9, shown arc striking piece 5 is by this connection-peg 8 and jack 9 grafting on quiet conducting strip 1, and described current output terminal 3 is provided with red steel paper 6 towards the side of arc striking piece 5.
By adopting technique scheme, described arc striking piece 5 is removably connected with quiet conducting strip 1, do not need to bend quiet conducting strip 1, thus ensure that the bulk strength of quiet conducting strip 1, and this arc striking piece 5 is undertaken processing by the clout of stamping-out plate material, the scrappy material produced in quiet conducting strip 1 process of effective utilization processing, saving resource, greatly reduce production cost, also by arranging red steel paper 6 on the side of silver contact 4, the high temperature effectively preventing electric arc from bringing produces oxidation to quiet conducting strip 1, corrosion, quiet conducting strip 1 is avoided to reduce its electrical efficiency because of the permanent impact of electric arc.
Preferably, the surrounding of described silver contact 4 offers U-shaped hollow out 7, the base of described U-shaped hollow out 7 is towards current enter 2, between silver contact 4 and quiet conducting strip 1, separation is made by this hollow out, the current enter 2 diffusing to quiet conducting strip 1 from silver-colored acnode that the high temperature preventing from contact from dividing producing during end is too fast, avoid external wire therefore too fast aging, extend the useful life of circuit breaker.
The utility model additionally provides a kind of structure, described arc striking piece 5 is plugged between U-shaped hollow out 7 and silver contact 4, effectively electric arc is limited between silver contact 4 and U-shaped hollow out 7, thus, even if it is also on the extended line of current enter 2 and silver contact 4 line that electric arc produces oxidation to current output terminal 3, effectively avoid quiet conducting strip 1 by the impact of arc oxidation for its electric conductivity, preferably, described red steel disc covers described U-shaped hollow out 7, prevents electric arc from producing destruction through the housing of U-shaped hollow out 7 pairs of circuit breakers.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a circuit breaker static contact, comprise quiet conducting strip, one end of described quiet conducting strip is current enter, the other end is current output terminal, described current output terminal is provided with silver contact and arc striking piece, and described silver contact and arc striking piece are arranged on the same side of current output terminal, it is characterized in that: one end of described arc striking piece and quiet conducting strip grafting.
2. circuit breaker static contact according to claim 1, is characterized in that: described current output terminal is provided with red steel paper towards the side of arc striking piece.
3. circuit breaker static contact according to claim 2, is characterized in that: the surrounding of described silver contact offers U-shaped hollow out, and the base of described U-shaped hollow out is towards current enter.
4. circuit breaker static contact according to claim 3, is characterized in that: described arc striking piece is plugged between U-shaped hollow out and silver contact.
5. circuit breaker static contact according to claim 4, is characterized in that: described red steel disc covers described U-shaped hollow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325563.8U CN204577384U (en) | 2015-05-19 | 2015-05-19 | Circuit breaker static contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325563.8U CN204577384U (en) | 2015-05-19 | 2015-05-19 | Circuit breaker static contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204577384U true CN204577384U (en) | 2015-08-19 |
Family
ID=53869984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325563.8U Active CN204577384U (en) | 2015-05-19 | 2015-05-19 | Circuit breaker static contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204577384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799369A (en) * | 2017-11-30 | 2018-03-13 | 厦门理工学院 | The static contact component and arc quenching system of a kind of burn-out proof |
-
2015
- 2015-05-19 CN CN201520325563.8U patent/CN204577384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799369A (en) * | 2017-11-30 | 2018-03-13 | 厦门理工学院 | The static contact component and arc quenching system of a kind of burn-out proof |
| CN107799369B (en) * | 2017-11-30 | 2020-01-10 | 厦门理工学院 | Ablation-resistant static contact assembly and arc extinguishing system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |