CN209626165U - A kind of magnetictrip - Google Patents
A kind of magnetictrip Download PDFInfo
- Publication number
- CN209626165U CN209626165U CN201920420456.1U CN201920420456U CN209626165U CN 209626165 U CN209626165 U CN 209626165U CN 201920420456 U CN201920420456 U CN 201920420456U CN 209626165 U CN209626165 U CN 209626165U
- Authority
- CN
- China
- Prior art keywords
- angle
- arc
- magnetic
- magnetic bracket
- arc angle
- 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.)
- Active
Links
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a kind of magnetictrips, including core assembly, coil, magnetic bracket and static contact, the core assembly is mounted on magnetic rack body, the coil is wrapped in outside the core assembly, the end upper surface of the static contact is connect with the coil, and lower surface is connect with magnetic bracket end；The static contact bends out arc leading angle towards the magnetic rack body；Silver point is fixedly connected on the middle part of the static contact；The magnetic rack body is equipped with the arc angle towards the arc leading angle.Compared with prior art, the utility model has the advantages that structure is simple, using effect is good, manufacturing process is simple, manufacturing cost is low etc..
Description
Technical field
The utility model relates to field of circuit breakers to be suitable for miniature circuit breaker more particularly, to a kind of magnetictrip.
Background technique
The structure of the magnetictrip of existing miniature circuit breaker is as shown in Figure 1, include core assembly 1, coil 2, magnetic branch
Frame 5 and static contact 3, core assembly are mounted on magnetic bracket, and coil 2 is wrapped in outside core assembly 1, table on the end of static contact 3
Face is connect with coil 2, and lower surface is connect with magnetic bracket 5；Static contact 3 bends out arc leading angle towards magnetic bracket 5；Silver point 4 is fixed to be connected
It is connected to the middle part of static contact.The structure of the magnetic bracket of the magnetictrip is as shown in Fig. 2, include magnetic rack body 51 and and stationary contact
Head end welding magnetic bracket end 53, the static contact of the magnetictrip away from yoke position farther out, breaking course electric arc arc
Root is jumped to from static contact arc angle there are certain difficulty in magnetic yoke, and electric arc is not easy to can smoothly enter into arc-chutes；And arc leaps are to magnetic
It is easy occur back commutation again after on yoke, causes dynamic/static contact scaling loss serious.
Utility model content
The purpose of this utility model is exactly to provide a kind of electromagnetic trip to overcome the problems of the above-mentioned prior art
Device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of magnetictrip, including core assembly, coil, magnetic bracket and static contact, the core assembly are mounted on magnetic
On rack body, the coil is wrapped in outside the core assembly, and the end upper surface of the static contact is connect with the coil,
Lower surface is connect with magnetic bracket end；The static contact bends out arc leading angle towards the magnetic rack body；Silver point is fixedly connected
In the middle part of the static contact；The magnetic rack body is equipped with the arc angle towards the arc leading angle.
The distance between arc angle end and the arc leading angle end of the static contact of the magnetic bracket are 0.5~3mm.
The angular range for the angle that the arc angle of the magnetic bracket and the arc leading angle of the static contact are formed is 120 °~180 °.
The arc angle length of the magnetic bracket is the 0.4~0.6 of the magnetic stent length, and the arc angle width of the magnetic bracket is
The 0.2~0.4 of the magnetic support width.
The arc angle length of the magnetic bracket is 5~20mm.
The arc angle width of the magnetic bracket is 2~6mm.
Angle between the arc angle of the magnetic bracket and the magnetic bracket is 5 °~60 °.
The angle of arc angle is to keep being substantially flush with static contact arc angle, according to the dimensional fits of magnetic bracket and static contact arc angle
To adjust；Arc angle length is advisable so that electric arc can be introduced into inside arc-chutes, and magnetic bracket arc angle width is unsuitable too narrow, it is too narrow
Arc ablation resistance ability can reduce during short circuit breaking.
The arc angle of the magnetic bracket is rectangular configuration.
The end of the rectangular configuration is the plate with chamfering or rounded corner.
The arc angle of the magnetic bracket is the arc angle that Sheet Metal Forming Technology is punched out.
Core assembly in the utility model is existing core assembly, which includes dynamic iron core, static iron core, pushes away
Bar, coil rack, reaction spring and clamping plate；The static iron core is fixed on the first end of the coil rack, and the first end is leaned on
Nearly contact assembly；The reaction spring covers on the push rod；From the first end of the coil rack to second end, successively are as follows:
Static iron core, push rod and reaction spring, dynamic iron core and clamping plate, the second end is far from contact assembly.
The utility model has an arc angle, magnetic bracket by stamping out an arc angle, static contact on magnetic bracket burnishing surface
The arc angle tilted after burnishing surface punching keeps concordant with static contact arc angle substantially.When to generate short circuit current in the line, electricity
Arc can be jumped on magnetic bracket easily by static contact arc angle and, to reduce the arc motion time, reduce electric arc to touching
The scaling loss of head.When in the arc angle of arc leaps to magnetic bracket, short circuit current constitutes one in magnetic bracket arc angle and magnetic rack body
A blowout coil accelerates short circuiting arc to rapidly enter inside arc-chutes, reduces the arc extinction time, promotes the disjunction of breaker
Can, the magnetic bracket in the utility model may also be referred to as magnetic yoke.
Compared with prior art, the magnetictrip manufacturing process of the utility model is simple, increases on existing magnetic bracket
A stamping procedure is added to can be obtained, manufacturing cost is low；The using effect of the utility model is good, greatly reduces phone from stationary contact
The difficulty on magnetic bracket is jumped on head, improves the movement velocity of product breaking arc.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of magnetictrip in the prior art；
Fig. 2 is the structural schematic diagram of magnetic bracket in the prior art；
Fig. 3 is the structural schematic diagram of the utility model；
Fig. 4 is the schematic view of the front view of the utility model；
Fig. 5 is the structural schematic diagram of magnetic bracket in the utility model；
Fig. 6 is the schematic view of the front view of magnetic bracket in the utility model；
Fig. 7 is the overlooking structure diagram of magnetic bracket in embodiment 1；
Fig. 8 is the overlooking structure diagram of magnetic bracket in embodiment 2；
Fig. 9 is the overlooking structure diagram of magnetic bracket in embodiment 3；
In figure, 1 is core assembly, and 2 be coil, and 21 be end turn, and 3 be static contact, and 31 be arc leading angle, and 32 be static contact
End, 4 be silver point, and 5 be magnetic bracket, and 51 be magnetic rack body, and 52 be arc angle, and 53 be magnetic bracket end, and La is arc angle length, Lb
For arc angle width, Ld is arc angle and arc leading angle threshold value, and a is the angle of arc angle and magnetic rack body, and b is arc angle and arc leading angle
Angle.
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
Embodiment 1
A kind of magnetictrip, the magnetictrip are suitable for miniature circuit breaker, and structure is as shown in figure 3, include iron core
Component 1, coil 2, magnetic bracket 5 and static contact 3, core assembly 1 are mounted on magnetic rack body 51, and coil 2 is wrapped in iron core group
Outside part 1, the upper surface of static contact end 32 and end turn 21 are welded to connect, the lower surface of static contact end 32 and magnetic bracket end
Portion 53 is welded to connect；Static contact 3 bends out arc leading angle 31 towards magnetic rack body 51；Silver point 4 is welded in the middle part of static contact 3；
Magnetic rack body 51 is equipped with the arc angle 52 towards arc leading angle 31.
The present embodiment has certain requirement to the relative position of arc angle 52 and arc leading angle 31, as shown in figure 4, arc angle and striking
Angle threshold value Ld is 0.5mm；The angle b of arc angle and arc leading angle is 180 °.
Fig. 5 is the structural schematic diagram of the magnetic bracket 5 in the present embodiment, and the arc angle 52 of magnetic bracket 5 is punched out for Sheet Metal Forming Technology
Arc angle.As shown in Figure 6 and Figure 7, the angle a of arc angle and magnetic rack body is 60 °；The arc angle length La of magnetic bracket 5 is 20mm；
The arc angle width Lb of magnetic bracket 5 is 6mm.The arc angle 52 of magnetic bracket 5 is rectangular configuration.In the present embodiment, the arc angle 52 of magnetic bracket 5
Length is the 0.6 of 5 length of magnetic bracket, and 52 width of arc angle of magnetic bracket 5 is the 0.4 of 5 width of magnetic bracket.The shape of arc angle 52 is square
Shape, as shown in Figure 7.
Core assembly in the present embodiment includes the iron core group of dynamic iron core, static iron core, coil rack, reaction spring composition
Part, using iron filings component in the prior art, which includes dynamic iron core, static iron core, push rod, coil rack, counter-force bullet
Spring and clamping plate；Static iron core is fixed on the first end of coil rack, and first end is close to head assembly out；Reaction spring covers on push rod；
From the first end of coil rack to second end, successively are as follows: static iron core, push rod and reaction spring, dynamic iron core and clamping plate, second end are remote
Separate out head assembly.
The working principle of the present embodiment are as follows: an arc angle is stamped out on magnetic yoke burnishing surface, static contact have an arc angle,
The arc angle tilted after magnetic yoke punching keeps concordant with static contact arc angle substantially.When to generate short circuit current in the line, short circuit
Electric current runs through the arc leading angle that silver point reaches static contact, and electric arc is jumped to by arc leading angle in the arc angle of magnetic bracket, short circuit electricity
After stream jumps in the arc angle of magnetic bracket, by magnetic yoke and blowout coil is constituted, short circuiting arc is accelerated to rapidly enter in arc-chutes
Portion reduces the arc extinction time, promotes the interrupting performance of breaker, the arc angle on magnetic bracket reduces the arc motion time, subtracts
Few electric arc promotes the interrupting performance of breaker to the scaling loss of contact.
The magnetictrip of the present embodiment be based on existing cor platform, the basic structure of magnetictrip compared with
Platform is consistent, and the structure of static contact is consistent compared with platform structure, on the basis of existing magnetic bracket, by increasing by one
Magnetic bracket is punched out an arc angle by stamping procedure, so that the magnetic bracket that furthers with the distance between static contact, reduces electric arc from quiet
The difficulty on magnetic bracket is jumped on contact, to improve the movement velocity of product breaking arc.
Embodiment 2
A kind of magnetictrip, as shown in figure 3, including core assembly 1, coil 2, magnetic bracket 5 and static contact 3, iron core group
Part 1 is mounted on magnetic rack body 51, and coil 2 is wrapped in outside core assembly 1, the upper surface of static contact end 32 and end turn
21 are welded to connect, and the lower surface of static contact end 32 and magnetic bracket end 53 are welded to connect；Static contact 3 is towards magnetic rack body 51
Bend out arc leading angle 31；Silver point 4 is welded in the middle part of static contact 3；Magnetic rack body 51 is equipped with the arc angle towards arc leading angle 31
52。
The present embodiment has certain requirement to the relative position of arc angle 52 and arc leading angle 31, as shown in figure 4, arc angle and striking
Angle threshold value Ld is 3mm；The angle b of arc angle and arc leading angle is 120 °.
Fig. 5 is the structural schematic diagram of the magnetic bracket 5 in the present embodiment, and the arc angle 52 of magnetic bracket 5 is punched out for Sheet Metal Forming Technology
Arc angle.As shown in Figure 6 and Figure 7, the angle a of arc angle and magnetic rack body is 5 °；Arc angle length La is 20mm；Arc angle width Lb
For 6mm.The arc angle 52 of magnetic bracket 5 is rectangular configuration.In the present embodiment, 52 length of arc angle of magnetic bracket 5 is 5 length of magnetic bracket
0.4,52 width of arc angle of magnetic bracket 5 is the 0.2 of 5 width of magnetic bracket.The shape of arc angle 52 is rectangle, and the end of the rectangle is band
There is the plate of chamfering, as shown in Figure 8.
Core assembly in the present embodiment includes the iron core group of dynamic iron core, static iron core, coil rack, reaction spring composition
Part, using iron filings component in the prior art, which includes dynamic iron core, static iron core, push rod, coil rack, counter-force bullet
Spring and clamping plate；Static iron core is fixed on the first end of coil rack, and first end is close to head assembly out；Reaction spring covers on push rod；
From the first end of coil rack to second end, successively are as follows: static iron core, push rod and reaction spring, dynamic iron core and clamping plate, second end are remote
Separate out head assembly.
Embodiment 3
A kind of magnetictrip, as shown in figure 3, including core assembly 1, coil 2, magnetic bracket 5 and static contact 3, iron core group
Part 1 is mounted on magnetic rack body 51, and coil 2 is wrapped in outside core assembly 1, the upper surface of static contact end 32 and end turn
21 are welded to connect, and the lower surface of static contact end 32 and magnetic bracket end 53 are welded to connect；Static contact 3 is towards magnetic rack body 51
Bend out arc leading angle 31；Silver point 4 is welded in the middle part of static contact 3；Magnetic rack body 51 is equipped with the arc angle towards arc leading angle 31
52。
The present embodiment has certain requirement to the relative position of arc angle 52 and arc leading angle 31, as shown in figure 4, arc angle and striking
Ld distance in angle end is 2mm；The angle b of arc angle and arc leading angle is 150 °.
Fig. 5 is the structural schematic diagram of the magnetic bracket 5 in the present embodiment, and the arc angle 52 of magnetic bracket 5 is punched out for Sheet Metal Forming Technology
Arc angle.As shown in Figure 6 and Figure 7, the angle a of arc angle and magnetic rack body is 30 °；Arc angle length La is 10mm；Arc angle width
Lb is 4mm.The arc angle 52 of magnetic bracket 5 is rectangular configuration.In the present embodiment, 52 length of arc angle of magnetic bracket 5 is 5 length of magnetic bracket
0.4,52 width of arc angle of magnetic bracket 5 is the 0.3 of 5 width of magnetic bracket.The shape of arc angle 52 is rectangle, and the end of the rectangle is
Plate with fillet, as shown in Figure 9.
Core assembly in the present embodiment includes the iron core group of dynamic iron core, static iron core, coil rack, reaction spring composition
Part, using iron filings component in the prior art, which includes dynamic iron core, static iron core, push rod, coil rack, counter-force bullet
Spring and clamping plate；Static iron core is fixed on the first end of coil rack, and first end is close to head assembly out；Reaction spring covers on push rod；
From the first end of coil rack to second end, successively are as follows: static iron core, push rod and reaction spring, dynamic iron core and clamping plate, second end are remote
Separate out head assembly.
Embodiment 4
A kind of magnetictrip, the magnetictrip are suitable for miniature circuit breaker, and structure is as shown in figure 3, include iron core
Component 1, coil 2, magnetic bracket 5 and static contact 3, core assembly 1 are mounted on magnetic rack body 51, and coil 2 is wrapped in iron core group
Outside part 1, the upper surface of static contact end 32 and end turn 21 are welded to connect, the lower surface of static contact end 32 and magnetic bracket end
Portion 53 is welded to connect；Static contact 3 bends out arc leading angle 31 towards magnetic rack body 51；Silver point 4 is welded in the middle part of static contact 3；
Magnetic rack body 51 is equipped with the arc angle 52 towards arc leading angle 31.
The present embodiment has certain requirement to the relative position of arc angle 52 and arc leading angle 31, as shown in figure 4, arc angle and striking
Angle threshold value Ld is 0.5mm；The angle b of arc angle and arc leading angle is 180 °.
Fig. 5 is the structural schematic diagram of the magnetic bracket 5 in the present embodiment, and the arc angle 52 of magnetic bracket 5 is punched out for Sheet Metal Forming Technology
Arc angle.As shown in Figure 6 and Figure 7, the angle a of arc angle and magnetic rack body is 60 °；The arc angle length La of magnetic bracket 5 is 5mm；
The arc angle width Lb of magnetic bracket 5 is 2mm.The arc angle 52 of magnetic bracket 5 is rectangular configuration.In the present embodiment, the arc angle 52 of magnetic bracket 5
Length is the 0.4 of 5 length of magnetic bracket, and 52 width of arc angle of magnetic bracket 5 is the 0.2 of 5 width of magnetic bracket.The shape of arc angle 52 is square
Shape, as shown in Figure 7.
Core assembly in the present embodiment includes the iron core group of dynamic iron core, static iron core, coil rack, reaction spring composition
Part, using iron filings component in the prior art, which includes dynamic iron core, static iron core, push rod, coil rack, counter-force bullet
Spring and clamping plate；Static iron core is fixed on the first end of coil rack, and first end is close to head assembly out；Reaction spring covers on push rod；
From the first end of coil rack to second end, successively are as follows: static iron core, push rod and reaction spring, dynamic iron core and clamping plate, second end are remote
Separate out head assembly.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (10)
1. a kind of magnetictrip, including core assembly (1), coil (2), magnetic bracket (5) and static contact (3), the iron core group
Part (1) is mounted on magnetic rack body (51), and the coil (2) is wrapped in the core assembly (1) outside, the static contact (3)
End upper surface connect with the coil (2), lower surface is connect with magnetic bracket end (53)；The static contact (3) is towards institute
It states magnetic rack body (51) and bends out arc leading angle (31)；Silver point (4) is fixedly connected on the middle part of the static contact (3)；
It is characterized in that, the magnetic rack body (51) is equipped with the arc angle (52) towards the arc leading angle (31).
2. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) is held
The distance between arc leading angle (31) end of portion and the static contact (3) is 0.5~3mm.
3. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) with
The angular range for the angle that the arc leading angle (31) of the static contact (3) is formed is 120 °~180 °.
4. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) is long
Degree is the 0.4~0.6 of magnetic bracket (5) length, and arc angle (52) width of the magnetic bracket (5) is that the magnetic bracket (5) is wide
The 0.2~0.4 of degree.
5. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) is long
Degree is 5~20mm.
6. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) is wide
Degree is 2~6mm.
7. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) with
Angle between the magnetic rack body (51) is 5 °~60 °.
8. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) is
Rectangular configuration.
9. a kind of magnetictrip according to claim 8, which is characterized in that the end of the rectangular configuration is with
The plate of angle or rounded corner.
10. a kind of magnetictrip according to claim 1, which is characterized in that the arc angle (52) of the magnetic bracket (5) is
The arc angle that Sheet Metal Forming Technology is punched out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420456.1U CN209626165U (en) | 2019-03-29 | 2019-03-29 | A kind of magnetictrip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420456.1U CN209626165U (en) | 2019-03-29 | 2019-03-29 | A kind of magnetictrip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209626165U true CN209626165U (en) | 2019-11-12 |
Family
ID=68458135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920420456.1U Active CN209626165U (en) | 2019-03-29 | 2019-03-29 | A kind of magnetictrip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209626165U (en) |
-
2019
- 2019-03-29 CN CN201920420456.1U patent/CN209626165U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205211668U (en) | Quiet spring part and magnetic latching relay with effect of buffering kinetic energy | |
| CN102044388B (en) | Static contact structure of moulded case circuit breaker | |
| CN102543603A (en) | Ultrathin minitype breaker | |
| CN209626165U (en) | A kind of magnetictrip | |
| JP2014183028A (en) | Circuit breaker | |
| CN105097364A (en) | Magnetic latching relay applying flexible static spring | |
| CN105551895B (en) | A kind of quiet spring part with buffering kinetic energy effect and its magnetic latching relay | |
| CN103871796A (en) | Magnetism enhancement and arc guide device of miniature circuit breaker and miniature circuit breaker provided with magnetism enhancement and arc guide device | |
| CN108109881B (en) | Magnetic latching relay with movable reed obliquely arranged | |
| CN209104098U (en) | Breaker | |
| CN201174362Y (en) | Small circuit breaker | |
| CN203644711U (en) | Magnetic system structure of small circuit breaker | |
| CN203826320U (en) | Magnetism-increasing and arc-guiding apparatus of miniature circuit breaker and miniature circuit breaker with magnetism-increasing and arc-guiding apparatus | |
| CN203481147U (en) | Combined relay | |
| CN202473795U (en) | Hydraulic electromagnetic circuit breaker trip | |
| CN109935500A (en) | A kind of clapper type relay suitable for heavy load | |
| CN209298034U (en) | A kind of clapper type relay suitable for heavy load | |
| CN208028002U (en) | A kind of static contact component of plug in circuit breaker | |
| CN102709130B (en) | Integrated thermomagnetic system bracket of small circuit breaker and manufacturing method thereof | |
| CN212032910U (en) | Integrated arc striking structure device of small residual current circuit breaker | |
| CN201490136U (en) | Low-pressure plastic housing type circuit breaker | |
| CN213366429U (en) | Magnetic conductive sheet capable of rapidly striking arc | |
| CN211507553U (en) | Circuit protection device with guide moving contact activity route | |
| CN209298025U (en) | A kind of arc blocking formula electromagnetic relay | |
| CN209591956U (en) | A kind of miniature circuit breaker in enhancing self-excitation magnetic field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |