CN209591956U - A kind of miniature circuit breaker in enhancing self-excitation magnetic field - Google Patents
A kind of miniature circuit breaker in enhancing self-excitation magnetic field Download PDFInfo
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- CN209591956U CN209591956U CN201920529884.8U CN201920529884U CN209591956U CN 209591956 U CN209591956 U CN 209591956U CN 201920529884 U CN201920529884 U CN 201920529884U CN 209591956 U CN209591956 U CN 209591956U
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- 230000002708 enhancing effect Effects 0.000 title claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 16
- 238000004080 punching Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a kind of miniature circuit breakers in enhancing self-excitation magnetic field, comprising: shell, static contact, can relative to the cephalomotor moving contact of stationary contact, arc-extinguish chamber, arc striking piece, increase magnetic part and for the terminal plate of connecting wire；Arc-extinguish chamber and terminal plate are installed to shell；Static contact, moving contact and arc-extinguish chamber are set in shell；Static contact and arc striking piece are respectively connected to the both ends of arc-extinguish chamber；Increase magnetic part connection arc striking piece and terminal plate；Arc striking piece includes: the first striking section, the second striking section and third striking section；Increasing magnetic part includes: that the first increasing magnetic section, the second increasing magnetic section and third increase magnetic section；First increasing magnetic section is connected with third striking section；Second, which increases magnetic section connection first, increases magnetic section and third increasing magnetic section；Entirety, the second increasing magnetic section and the third that first striking section, the second striking section, third striking section and the first increasing magnetic section are connected to form increase magnetic section and are arranged along clock wise spirals.The utility model is beneficial in that, can be enhanced self-excitation magnetic field, be promoted striking speed.
Description
Technical field
The utility model relates to a kind of breakers, and in particular to a kind of miniature circuit breaker in enhancing self-excitation magnetic field.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.
Traditional miniature circuit breaker, electric arc scaling loss time at the road Pao Hu is long, and arc motion speed is slow.Cross prolonged burning
Damage generates a large amount of metal vapors.Dielectric strength inside metal vapors more multi-product is lower, and easier breakdown is so as to cause electricity
Arc is restriked at the road Pao Hu again.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of miniature circuit breaker in enhancing self-excitation magnetic field, leads to
Enhancing self-excitation magnetic fields are crossed, electric arc is reduced in arc road run duration, reduces the generation of metallic vapour.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
A kind of miniature circuit breaker in enhancing self-excitation magnetic field, comprising: shell, static contact, can be cephalomotor dynamic relative to stationary contact
Contact, arc striking piece, increases magnetic part and the terminal plate for connecting wire at arc-extinguish chamber；Arc-extinguish chamber and terminal plate are installed to shell；Stationary contact
Head, moving contact and arc-extinguish chamber are set in shell；Static contact and arc striking piece are respectively connected to the both ends of arc-extinguish chamber；Increase the connection of magnetic part
Arc striking piece and terminal plate；
Arc striking piece includes: the first striking section, the second striking section and third striking section；First striking section is connected to arc-extinguish chamber；
Second striking section connects the first striking section and third striking section；Increasing magnetic part includes: that the first increasing magnetic section, the second increasing magnetic section and third increase
Magnetic section；First increasing magnetic section is connected with third striking section；Second, which increases magnetic section connection first, increases magnetic section and third increasing magnetic section；Third increases
Magnetic section is connected to terminal plate；First striking section, the second striking section, third striking section and the first increasing magnetic section are connected to form whole
Body, second increase magnetic section and third increasing magnetic section along clock wise spirals setting.
Further, third striking section is equipped with boss；First, which increases magnetic section, is equipped with for boss insertion so that arc striking piece and increasing magnetic
The groove of part connection.
Further, groove is V-shape slot.Further, boss is punching press boss.
Further, the notch of groove is upward；Increase the lower section that magnetic part is at least partially disposed at arc striking piece.
A kind of miniature circuit breaker in enhancing self-excitation magnetic field, comprising: shell, static contact, can be cephalomotor dynamic relative to stationary contact
Contact, arc striking piece, increases magnetic part and the terminal plate for connecting wire at arc-extinguish chamber；Arc-extinguish chamber and terminal plate are installed to shell；Stationary contact
Head, moving contact and arc-extinguish chamber are set in shell；Static contact and arc striking piece are respectively connected to the both ends of arc-extinguish chamber；Increase the connection of magnetic part
Arc striking piece and terminal plate；
Arc striking piece includes: along the first striking section, the second striking section along second straight line extension and the edge that first straight line extends
The linearly extended third striking section of third；First striking section is connected to arc-extinguish chamber；Second striking section connects the first striking section and the
Three striking sections；First straight line, second straight line and third straight line surround a triangle；
Increasing magnetic part includes: to increase magnetic section, along the 5th linearly extended second increasing magnetic section and edge along the 4th linearly extended first
6th linearly extended third increases magnetic section；First increasing magnetic section is connected with third striking section；Second, which increases magnetic section connection first, increases magnetic
Section and third increase magnetic section；4th straight line, the 5th straight line and the 6th straight line surround a triangle；Second increasing magnetic section is located at first and draws
In the angle region that segmental arc and the second striking section surround.
Further, third striking section is located in the angle region that the first increasing magnetic section and the second increasing magnetic section surround.
Further, third striking section is equipped with boss；First increasing magnetic section, which is equipped with, to be inserted into for boss so that arc striking piece and increasing
The groove of magnetic part connection.
Further, groove is V-shape slot.Further, boss is punching press boss.
The utility model is beneficial in that the miniature circuit breaker in the enhancing self-excitation magnetic field of offer, arc striking piece increase certainly
The design of excitation field structure, using two assembling parts formulas, assembly and fixed simplicity, the utilization rate height of part material are at low cost.In
Punching press one boss in arc striking piece junction devises V-shape slot in the corresponding position for increasing magnetic part, and assembly fixation is simple and reliable.
Increase magnetic part and is mentioned using " triangle " structure design using clock wise spirals coiling, effectively enhancing self-excitation magnetic field
Rise striking speed.
Enhancing self-excitation magnetic field structure design improves electric arc in the movement velocity in the road Pao Hu, reduces electric arc between the road Pao Hu
The scaling loss time, scaling loss generate metal vapors it is less, to be conducive to more rapidly to cool down and put out after electric arc enters arc quenching system
It goes out.
Enhancing self-excitation magnetic field structure design shortens the arcing time and reduces arc energy.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the internal structure of the miniature circuit breaker in enhancing self-excitation magnetic field；
Fig. 2 is the schematic diagram of the arc striking piece of the miniature circuit breaker in enhancing self-excitation magnetic field in Fig. 1；
Fig. 3 is the schematic diagram of the increasing magnetic part of the miniature circuit breaker in enhancing self-excitation magnetic field in Fig. 1.
Miniature circuit breaker 100, shell 10, static contact 20, moving contact 30, arc-extinguish chamber 40, arc striking piece 50, the first striking section
51, the second striking section 52, third striking section 53, boss 531, increasing magnetic part 60, first increases magnetic section 61, and groove 611, second increases magnetic section
62, third increases magnetic section 63, terminal plate 70.
Specific embodiment
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, it is a kind of enhancing self-excitation magnetic field miniature circuit breaker 100, comprising: shell 10, static contact 20,
Moving contact 30, arc striking piece 50, increases magnetic part 60 and terminal plate 70 at arc-extinguish chamber 40.
Moving contact 30 can be moved relative to static contact 20.Terminal plate 70 is used for external wire.
Arc-extinguish chamber 40 and terminal plate 70 are installed to shell 10.Static contact 20, moving contact 30 and arc-extinguish chamber 40 are set to shell
In 10.Further, arc striking piece 50 and increasing magnetic part 60 are all set in shell 10.Static contact 20 and arc striking piece 50 are respectively connected to
The both ends of arc-extinguish chamber 40.Increase magnetic part 60 and connects arc striking piece 50 and terminal plate 70.Connection can be between direct connection is also possible to
It connects in succession, specifically, arc striking piece 50, which is connected directly to, increases magnetic part 60.Increase magnetic part 60 and is indirectly connected to terminal plate 70.More specifically
For, increase magnetic part 60 by bracket and is connected to terminal plate 70.
Arc striking piece 50 includes: the first striking section 51, the second striking section 52 and third striking section 53.Arc striking piece 50 is integrally formed
As a whole.In other words, the first striking section 51, the second striking section 52 and third striking section 53 are integrally formed whole as one
Body.First striking section 51 is connected to arc-extinguish chamber 40.Second striking section 52 connects the first striking section 51 and third striking section 53.Or
It says, the first striking section 51, the second striking section 52 and third striking section 53 are sequentially connected in series.First striking section 51, the second striking section 52
It is roughly triangular with third striking section 53.
Increasing magnetic part 60 includes: that the first increasing magnetic section 61, second increases magnetic section 62 and third increasing magnetic section 63.Increase magnetic part 60 to be integrally formed
As a whole.In other words, the first increasing magnetic section 61, second increases magnetic section 62 and the third increasing integrated molding of magnetic section 63 is whole as one
Body.First increasing magnetic section 61 is connected with third striking section 53.Second, which increases the connection of magnetic section 62 first, increases magnetic section 61 and third increasing magnetic section
63.In other words, the first increasing magnetic section 61, second increases magnetic section 62 and third increases magnetic section 63 and is sequentially connected in series.First, which increases magnetic section 61, second, increases
It is roughly triangular that magnetic section 62 and third increase magnetic section 63.Third increases magnetic section 63 and is connected to terminal plate 70.Increasing magnetic part 60, which is connected serially to, to be drawn
Between arcs 50 and terminal plate 70.
First striking section 51, the second striking section 52, third striking section 53 and first increasing magnetic section 61 be connected to form entirety,
Second increases magnetic section 62 and third increasing magnetic section 63 along clock wise spirals setting.
By the increasing magnetic part 60 of the serial triangle on arc striking piece 50, using clock wise spirals coiling, effectively enhancing self-excitation
Magnetic field promotes striking speed, reduces electric arc in arc road run duration, reduces the generation of metal vapors, enter arc extinguishing conducive to electric arc
More rapidly it can cool down and extinguish after system, improve the break performance of breaker.
As a kind of specific embodiment, third striking section 53 is equipped with boss 531.Specifically, boss 531 is punching press
Boss.First, which increases magnetic section 61, is equipped with groove 611.Groove 611 and boss 531 cooperate be inserted into for boss 531 so that arc striking piece 50 and
Increase magnetic part 60 to connect.Groove 611 is V-shape slot.The notch of groove 611 is upward.Increase magnetic part 60 and is at least partially disposed at arc striking piece 50
Lower section.Facilitate boss 531 to be inserted into groove 611 from the V-type opening of a V-shape slot, realizes elastic conjunction connection.
First striking section, the second striking section and third striking section can may be camber line for straight line, can directly connect
Connecing can also be indirectly connected with.As a kind of specific embodiment, the first striking section 51, the second striking section 52 and third striking section
53 are attached by adjacent arch section between the two respectively.
First striking section 51 extends along first straight line.Second striking section 52 extends along second straight line.53 edge of third striking section
Third linear extension.First straight line, second straight line and third straight line surround a triangle.
It can may be camber line for straight line that first increasing magnetic section, the second increasing magnetic section and third, which increase magnetic section, can directly connect
Connecing can also be indirectly connected with.As a kind of specific embodiment, first, which increases magnetic section 61, second, increases magnetic section 62 and third increasing magnetic section
63 are attached by adjacent arch section between the two respectively.
First increases magnetic section 61 along the 4th linear extension.Second increases magnetic section 62 along the 5th linear extension.Third increases 63 edge of magnetic section
6th linear extension.4th straight line, the 5th straight line and the 6th straight line surround a triangle.
Specifically, the 4th straight line and third straight line parallel, third striking section 53 and first increases the fitting of magnetic section 61, conveniently draws
Arcs 50 and the connection for increasing magnetic part 60.
Second increasing magnetic section 62 is located in the angle region that the first striking section 51 and the second striking section 52 surround.Third striking section
53 are located in the angle region that the first increasing magnetic section 61 and the second increasing magnetic section 62 surround.
First striking section 51, the second striking section 52, third striking section 53, first increase magnetic section 61, second and increase magnetic section 62 and the
Three increasing magnetic sections 63 composition one are spiral-shaped.Specifically, it is bolt clockwise arrangement.Effectively enhancing self-excitation magnetic field, is promoted
Striking speed.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
Technical solution obtained, all falls in the protection scope of the utility model.
Claims (10)
1. it is a kind of enhancing self-excitation magnetic field miniature circuit breaker characterized by comprising shell, static contact, can be relative to described quiet
It touches cephalomotor moving contact, arc-extinguish chamber, arc striking piece, increase magnetic part and the terminal plate for connecting wire；The arc-extinguish chamber and described
Terminal plate is installed to the shell；The static contact, the moving contact and the arc-extinguish chamber are set in the shell；It is described quiet
Contact and the arc striking piece are respectively connected to the both ends of the arc-extinguish chamber；The increasing magnetic part connects the arc striking piece and the wiring
Plate；
The arc striking piece includes: the first striking section, the second striking section and third striking section；The first striking section is connected to described
Arc-extinguish chamber；The second striking section connects the first striking section and the third striking section；The increasing magnetic part includes: the first increasing
Magnetic section, second increase magnetic section and third increasing magnetic section；The first increasing magnetic section is connected with the third striking section；Described second increases magnetic
Section connection described first increases magnetic section and the third increases magnetic section；The third increases magnetic section and is connected to the terminal plate；Described first
Striking section, the second striking section, the third striking section and described first increase magnetic section is connected to form whole, described second
Increase magnetic section and the third increases magnetic section and is arranged along clock wise spirals.
2. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 1, which is characterized in that
The third striking section is equipped with boss；Described first, which increases magnetic section, is equipped with for boss insertion so that the arc striking piece and institute
State the groove for increasing the connection of magnetic part.
3. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 2, which is characterized in that
The groove is V-shape slot.
4. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 2, which is characterized in that
The boss is punching press boss.
5. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 2, which is characterized in that
The notch of the groove is upward；The lower section for increasing magnetic part and being at least partially disposed at the arc striking piece.
6. it is a kind of enhancing self-excitation magnetic field miniature circuit breaker characterized by comprising shell, static contact, can be relative to described quiet
It touches cephalomotor moving contact, arc-extinguish chamber, arc striking piece, increase magnetic part and the terminal plate for connecting wire；The arc-extinguish chamber and described
Terminal plate is installed to the shell；The static contact, the moving contact and the arc-extinguish chamber are set in the shell；It is described quiet
Contact and the arc striking piece are respectively connected to the both ends of the arc-extinguish chamber；The increasing magnetic part connects the arc striking piece and the wiring
Plate；
The arc striking piece includes: along the first striking section, the second striking section along second straight line extension and the edge that first straight line extends
The linearly extended third striking section of third；The first striking section is connected to the arc-extinguish chamber；The second striking section connects institute
State the first striking section and the third striking section；The first straight line, the second straight line and the third straight line surround one
Triangle；
The increasing magnetic part includes: to increase magnetic section, along the 5th linearly extended second increasing magnetic section and edge along the 4th linearly extended first
6th linearly extended third increases magnetic section；The first increasing magnetic section is connected with the third striking section；Described second increases magnetic section
It connects described first and increases magnetic section and third increasing magnetic section；4th straight line, the 5th straight line and the 6th straight line enclose
At a triangle；The second increasing magnetic section is located at the angle region that the first striking section and the second striking section surround
It is interior.
7. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 6, which is characterized in that
The third striking section is located in the angle region that the first increasing magnetic section and the second increasing magnetic section surround.
8. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 6, which is characterized in that
The third striking section is equipped with boss；It is described first increase magnetic section be equipped with for the boss be inserted into so that the arc striking piece and
The groove for increasing the connection of magnetic part.
9. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 8, which is characterized in that
The groove is V-shape slot.
10. a kind of miniature circuit breaker in enhancing self-excitation magnetic field according to claim 8, which is characterized in that
The boss is punching press boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920529884.8U CN209591956U (en) | 2019-04-18 | 2019-04-18 | A kind of miniature circuit breaker in enhancing self-excitation magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920529884.8U CN209591956U (en) | 2019-04-18 | 2019-04-18 | A kind of miniature circuit breaker in enhancing self-excitation magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209591956U true CN209591956U (en) | 2019-11-05 |
Family
ID=68346431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920529884.8U Active CN209591956U (en) | 2019-04-18 | 2019-04-18 | A kind of miniature circuit breaker in enhancing self-excitation magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209591956U (en) |
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2019
- 2019-04-18 CN CN201920529884.8U patent/CN209591956U/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 white elephant Town, Yueqing City, Wenzhou, Zhejiang. Patentee after: Zhejiang Chuangqi Electric Co.,Ltd. Address before: 325600 No. 18, Sha Hung Road, North white elephant Town, Yueqing City, Wenzhou, Zhejiang. Patentee before: ZHEJIANG CHUANGQI ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |