CN206789508U - A kind of magnet coil and miniature circuit breaker - Google Patents
A kind of magnet coil and miniature circuit breaker Download PDFInfo
- Publication number
- CN206789508U CN206789508U CN201720654690.1U CN201720654690U CN206789508U CN 206789508 U CN206789508 U CN 206789508U CN 201720654690 U CN201720654690 U CN 201720654690U CN 206789508 U CN206789508 U CN 206789508U
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- China
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- magnet coil
- weld part
- yoke
- static contact
- arc
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Abstract
The utility model discloses a kind of magnet coil, and the technical scheme of use includes magnet coil, including magnet coil and sets iron core in magnet coil, and the iron core and magnet coil are installed in yoke, it is characterised in that：The yoke bottom end, which is provided with, is outward extended with weld part, and the lower surface of the upper surface of the weld part and the static contact rear end made of copper plate is welded, and the lower surface of the weld part is welded with the upper surface of quiet arc angle rear end.Advantage is as follows：Crucial electric-conductor is still connected using copper plate, but yoke is soldered to the static contact back side, both can guarantee that firm welding degree, and and can reduces interiors of products power consumption, is reduced interiors of products temperature rise and is met requirements of the national standard.
Description
Technical field
A kind of low-voltage electrical apparatus is the utility model is related to, specially a kind of miniature circuit breaker.
Background technology
Miniature circuit breaker structure includes：Operating mechanism, tripping mechanism, contact mechanism, electromagnetic system and arc extinguishing in housing
Device, the operating mechanism include handle, and the tripping mechanism includes tripping, lock, and the contact mechanism includes moving contact machine
Structure, static contact mechanism, the electromagnetic system includes magnet coil and the iron core being located in magnet coil, the iron core are arranged on
In yoke, the arc-control device includes arc-chutes, and the handle connects tripping, described magnet coil one end and wiring by connecting rod
Post connection, the other end and static contact mechanism connect, and the dynamic contact mechanism connects the double gold plaques of heat, the lock by flexible wire
Thermal tripping pull bar is set between hot double gold plaques.
To meet properties of product requirement, the material for generally selecting yoke is metallic iron, and the material selection of divide-shut brake contact
Copper plate, conductance is good, small power consumption.But on resistance welding technology, select iron to be connect with brazing, though firm welding degree is not influenceed,
But after the part of irony material is as the crucial electric-conductor in product, interiors of products power consumption increase, the temperature of itself also can be with logical
Electric duration and increased using the bigger electrical equipment of power.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of magnet coil that can reduce interiors of products power consumption and small
Type breaker.
To solve the above problems, the technical solution adopted in the utility model includes magnet coil, including magnet coil and
If the iron core in magnet coil, the iron core and magnet coil are installed in yoke, it is characterised in that：The yoke bottom end
Provided with weld part is outward extended with, the lower surface of the upper surface of the weld part and the static contact rear end made of copper plate is welded
Connect, the lower surface of the weld part is welded with the upper surface of quiet arc angle rear end.
Described magnet coil, it is characterised in that：The static contact, the rear end at quiet arc angle and the weld part of the yoke weld
After connecing, vertically bending and the leading flank at the quiet arc angle overlap for the front end of the static contact, and the front end at the quiet arc angle passes through
Arc bends the arc-chutes for stretching into miniature circuit breaker.
A kind of miniature circuit breaker, according to magnet coil described above realize, including be located in housing operating mechanism, thread off
Mechanism, contact mechanism, electromagnetic system and arc-control device, the operating mechanism include handle, and the tripping mechanism includes tripping, lock
Button, the contact mechanism include dynamic contact mechanism, static contact mechanism, and the electromagnetic system includes magnet coil and is located at electromagnetism
Iron core in coil, the iron core and magnet coil are arranged in yoke, and the arc-control device includes arc-chutes, and the handle leads to
Cross connecting rod to be connected with tripping, described magnet coil one end is connected by terminal plate with binding post, the other end and static contact mechanism connect
Connect, the dynamic contact mechanism connects the double gold plaques of heat by flexible wire, it is characterised in that：The yoke bottom end is provided with outside
Weld part is extended with, the lower surface of the upper surface of the weld part and the static contact rear end made of copper plate is welded, the weldering
Welded with the upper surface of quiet arc angle rear end the lower surface of socket part.
Described miniature circuit breaker, it is characterised in that：It is described：The static contact, rear end and the yoke at quiet arc angle
After weld part welding, vertically bending and the leading flank at the quiet arc angle overlap for the front end of the static contact, the quiet arc angle
Front end stretches into the arc-chutes of miniature circuit breaker by arc bending.
Miniature circuit breaker advantage of the present utility model is as follows：Crucial electric-conductor is still connected using copper plate, but yoke is welded
The static contact back side is connected to, both can guarantee that firm welding degree, and can reduces interiors of products power consumption, reduces interiors of products temperature rise and meets
Requirements of the national standard.
Brief description of the drawings
The utility model is described further with reference to Figure of description.
Fig. 1 is the structural representation of the utility model magnet coil；
Fig. 2 is the structural representation of the utility model miniature circuit breaker.
Embodiment
Shown in reference picture 1, magnet coil of the present utility model, including magnet coil 1 and set iron core in magnet coil 1
2, the iron core 2 and magnet coil 1 are installed in yoke 3, and the bottom end of yoke 3 is provided with and is outward extended with weld part 4, institute
The lower surface of the upper surface and the rear end of static contact 5 made of copper plate of stating weld part 4 is welded, the lower surface of the weld part 4
Welded with the upper surface of the rear end of quiet arc angle 6.
Further, after the static contact 5, the rear end at quiet arc angle 6 are welded with the weld part 4 of the yoke 3, the stationary contact
Vertically bending and the leading flank at the quiet arc angle 6 are overlapped for first 5 front end, and the front end at the quiet arc angle 6 is stretched by arc bending
Enter the arc-chutes of miniature circuit breaker.Interiors of products temperature rise drop is reduced with a step.
Shown in reference picture 2, miniature circuit breaker of the present utility model, including be located in housing operating mechanism, tripping mechanism,
Contact mechanism, electromagnetic system and arc-control device, the operating mechanism include handle 7, and the tripping mechanism includes tripping 8, lock
9, the contact mechanism includes dynamic contact mechanism 10, static contact mechanism 11, and the electromagnetic system includes magnet coil 1 and is located at
Iron core 2 in magnet coil 1, the iron core 2 and magnet coil 1 are arranged in yoke 3, and the arc-control device includes arc-chutes
13, the handle 7 is connected by connecting rod 14 with tripping 8, and described one end of magnet coil 1 is connected by terminal plate 20 and binding post 15
Connect, the other end and static contact mechanism 11 connect, the dynamic contact mechanism 10 connects hot double gold plaques 17 by flexible wire 16, described
The bottom end of yoke 3, which is provided with, is outward extended with weld part 4, the upper surface of the weld part 4 and static contact 5 made of copper plate
The lower surface welding of rear end, the lower surface of the weld part 4 is welded with the upper surface of the rear end of quiet arc angle 6.
Further, after the static contact 5, the rear end at quiet arc angle 6 are welded with the weld part 4 of the yoke 3, the stationary contact
Vertically bending and the leading flank at the quiet arc angle 6 are overlapped for first 5 front end, and the front end at the quiet arc angle 6 is stretched by arc bending
Enter the arc-chutes 13 of miniature circuit breaker.
It is upper described, any formal limitation is not done to the utility model, although the utility model is preferably to implement
Case discloses as above, but is not limited to the utility model, any person skilled in the art, is not departing from this hair
In the range of bright technical scheme, when structure and technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalence enforcement case of change, but every content without departing from technical solution of the present invention, according to the present invention technical spirit to
Any simple modification, equivalent change and modification that upper case study on implementation is made, still belongs to technical solutions of the utility model scope.
Claims (4)
1. a kind of magnet coil, including magnet coil（1）And set magnet coil（1）Interior iron core（2）, the iron core（2）And
Magnet coil（1）It is installed on yoke（3）It is interior, it is characterised in that：The yoke（3）Bottom end is provided with and is outward extended with weld part
（4）, the weld part（4）Upper surface with made of copper plate static contact（5）The lower surface welding of rear end, the weld part
（4）Lower surface and quiet arc angle（6）The upper surface welding of rear end.
2. magnet coil according to claim 1, it is characterised in that：The static contact（5）, quiet arc angle（6）Rear end with
The yoke（3）Weld part（4）After welding, the static contact（5）Front end vertically bending with the quiet arc angle（6）Front side
Face overlaps, the quiet arc angle（6）Front end the arc-chutes of miniature circuit breaker are stretched into by arc bending.
3. a kind of miniature circuit breaker, realized according to any one of the claim 1-2 magnet coils, including the behaviour being located in housing
Make mechanism, tripping mechanism, contact mechanism, electromagnetic system and arc-control device, the operating mechanism includes handle（7）, the dropout
Mechanism includes tripping（8）, lock（9）, the contact mechanism includes dynamic contact mechanism（10）, static contact mechanism（11）, the electricity
Magnetic system includes magnet coil（1）And it is located at magnet coil（1）Interior iron core（2）, the iron core（2）And magnet coil（1）
Installed in yoke（3）Interior, the arc-control device includes arc-chutes（13）, the handle（7）Pass through connecting rod（14）With tripping（8）Even
Connect, the magnet coil（1）One end passes through terminal plate（20）With binding post（15）Connection, the other end and static contact mechanism（11）Even
Connect, the dynamic contact mechanism（10）Pass through flexible wire（16）The double gold plaques of connection heat（17）, it is characterised in that：The yoke（3）
Bottom end is provided with and is outward extended with weld part（4）, the weld part（4）Upper surface with made of copper plate static contact
（5）The lower surface welding of rear end, the weld part（4）Lower surface and quiet arc angle（6）The upper surface welding of rear end.
4. miniature circuit breaker according to claim 3, it is characterised in that：It is described：The static contact（5）, quiet arc angle（6）'s
Rear end and the yoke（3）Weld part（4）After welding, the static contact（5）Front end vertically bending with the quiet arc angle（6）
Leading flank overlap, the quiet arc angle（6）Front end the arc-chutes of miniature circuit breaker are stretched into by arc bending（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654690.1U CN206789508U (en) | 2017-06-07 | 2017-06-07 | A kind of magnet coil and miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654690.1U CN206789508U (en) | 2017-06-07 | 2017-06-07 | A kind of magnet coil and miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206789508U true CN206789508U (en) | 2017-12-22 |
Family
ID=60715395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720654690.1U Active CN206789508U (en) | 2017-06-07 | 2017-06-07 | A kind of magnet coil and miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206789508U (en) |
-
2017
- 2017-06-07 CN CN201720654690.1U patent/CN206789508U/en active Active
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