CN203503561U - Arc blow-out system - Google Patents
Arc blow-out system Download PDFInfo
- Publication number
- CN203503561U CN203503561U CN201320697396.0U CN201320697396U CN203503561U CN 203503561 U CN203503561 U CN 203503561U CN 201320697396 U CN201320697396 U CN 201320697396U CN 203503561 U CN203503561 U CN 203503561U
- Authority
- CN
- China
- Prior art keywords
- arc
- blow
- arc blow
- coil
- out coil
- 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.)
- Expired - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to an arc blow-out system. The arc blow-out system comprises a lower arc guide angle assembly (5), a stationary contact terminal assembly (1) and a space defined by the lower arc guide angle assembly (5) and the stationary contact terminal assembly (1), wherein an arc blow-out chamber is formed in the space. The arc blow-out system is characterized in that the arc blow-out chamber is arranged below a stationary contact of the stationary contact terminal assembly (1), an arc blow-out coil (2) is arranged in the arc blow-out chamber, an iron core (3) is further arranged in the arc blow-out coil (2), one end of the arc blow-out coil (2) is connected to the lower arc guide angle assemble (5), and the other end of the arc blow-out coil (2) is connected to the stationary contact terminal assembly (1) through a wiring terminal. The arc blow-out system solves the problems that in the prior art, because an arc blow-out coil is fixed below a movable contact terminal in a welded mode, magnetomotive force generated by the arc blow-out coil is affected, and consequently the arc blow-out coil is hard to install and maintain. According to the arc blow-out system, the arc blow-out coil (2) is connected with the lower arc guide angle assembly (5) through a connecting bolt (6) and fixed below the stationary contact terminal.
Description
Technical field
The utility model relates to a kind of arc blow-out system, belongs to power technology field.
Background technology
Contactor, for connecting at a distance, continually and its main control object of electrical equipment of disjunction AC and DC main circuit and large volume controlled circuit is motor, also can be used as controlling the electrical loads such as electroheat equipment, electric lighting, electric welding machine and capacitor group, and be widely used in electric power, distribution and electricity consumption.
Contactor, when contact disjunction, due to high electric field transmitted, heat emission and the situation such as heat is free, can produce electric arc, and the electric arc of generation is eliminated through leading arc arc-control device, because arc motion is slower, excessive to the scaling loss of contact in actual applications.
For traditional contactor above shortcomings, current common way is the disjunction region division arc blow-out system at fixed contact and moving contact, electric arc is blown to arc-control device, accelerate the motion of electric arc, the loss of minimizing to dynamic/static contact, as announced a kind of power for traction magnetic contactor arc quenching system in < < power for traction magnetic contactor arc quenching system > > of Chinese invention patent CN201332163Y, it comprises arc extinguishing box, fixed contact, moving contact, lower arc angle, blow-out coil, lining, iron-core coil, iron core, upper arc angle, pole plate, it is characterized in that: lower arc angle, upper arc angle is arranged in arc extinguishing box, one end of lower arc angle is welded with blow-out coil, iron-core coil is contained in the middle of blow-out coil, two-plate is separately fixed in the axial end of iron-core coil and iron core, fixed contact, moving contact, coil and push rod are arranged on electromagnetic contactor body.
Blow-out coil in this application is arranged under moving contact, when moving contact moves, can affect moving contact, under lead the stability of the current circuit that arc angle and blow-out coil form, the magnetomotive that blow-out coil is produced is influenced, and with lower arc angle be by being welded to connect, in installation, be difficult for to change afterwards and safeguard.
Utility model content
Technical problem to be solved in the utility model is that in prior art, blow-out coil is fixed by welding in moving contact below, the magnetomotive that causes blow-out coil to produce is influenced, and lead the problem that arc coil is not easy installation and maintenance, provide a kind of by blow-out coil by connecting bolt with under lead the arc blow-out system that arc angle assembly is connected and is fixed on fixed contact below.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of arc blow-out system, the space of leading arc angle assembly and static contact component under comprising and surrounding, in described space, be provided with arc extinguish chambers, described arc extinguish chambers is arranged on the fixed contact below of described static contact component, in described arc extinguish chambers, be provided with blow-out coil, in described blow-out coil, be also provided with iron core, described blow-out coil one end is connected to down leads arc angle assembly, and the other end is connected on described static contact component by binding post.
The end of described static contact component and described under lead between the end of arc angle assembly and have gap.
Described gap is 1mm.
The described blow-out coil number of turn is set to 35 circles.
Under described, lead arc angle assembly and be fixedly connected with arc blow-out locular wall by connecting bolt, and be connected with blow-out coil by connecting bolt.
Described connecting bolt and described binding post are arranged in arc blow-out locular wall by securing member respectively.
Described arc blow-out locular wall insulation.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) arc blow-out system described in the utility model, described arc extinguish chambers is arranged on the fixed contact below of described static contact component, in described arc extinguish chambers, be provided with blow-out coil, in described blow-out coil, be also provided with iron core, described blow-out coil one end is connected to down leads arc angle assembly, the other end is connected on described static contact component by binding post, therefore under lead arc angle assembly, blow-out coil and static contact component form a loop, described blow-out coil generation magnetic field is blown electric arc and is moved to arc control device, very large owing to disconnecting the electric current of moment at dynamic/static contact, so the magnetic field that described blow-out coil produces is very strong, make arc motion speed very fast, the loss of minimizing to equipment.
(2) arc blow-out system described in the utility model, described arc extinguish chambers is arranged on the fixed contact below of described static contact component, leads arc angle assembly under described to be fixedly connected with arc blow-out locular wall by connecting bolt, and is connected with blow-out coil by connecting bolt; Solve blow-out coil in prior art and be fixed by welding in moving contact below, the magnetomotive that causes blow-out coil to produce is influenced, and lead the problem that arc coil is not easy installation and maintenance, provide a kind of by blow-out coil by connecting bolt with under lead the arc blow-out system that arc angle assembly is connected and is fixed on fixed contact below.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the side sectional view of arc blow-out system described in the utility model;
In figure, Reference numeral is expressed as: 1-static contact component, and 2-blow-out coil, 3-iron core, 4-arc blow-out locular wall, leads arc angle assembly under 5-, 6-connecting bolt, 7-securing member, 8-binding post.
Embodiment
The specific embodiment of arc blow-out system described in the utility model is provided below.
Embodiment 1
The structure of arc blow-out system described in the utility model as shown in Figure 1, the space of leading arc angle assembly 5 and static contact component 1 under comprising and surrounding, in described space, be provided with arc extinguish chambers, described arc extinguish chambers is arranged on the fixed contact below of described static contact component 1, in described arc extinguish chambers, be provided with blow-out coil 2, in described blow-out coil 2, be also provided with iron core 3, described blow-out coil 2 one end are connected to down leads arc angle assembly 5, the other end is connected on described static contact component 1 by binding post 8, solve blow-out coil 2 in prior art and be fixed by welding in moving contact below, the magnetomotive that causes blow-out coil 2 to produce is influenced.
The moment disconnecting at static contact component 1 and moving contact, the electric current of high pressure is delivered under described and is led arc angle assembly 5 by described gap, because described blow-out coil 2 one end by connecting bolt 6 with under lead arc angle assembly 5 and be connected, the other end is connected with static contact component 1 by binding post 8, therefore under lead arc angle assembly 5, blow-out coil 2 and static contact component 1 and form a loop, electric current passes into blow-out coil 2 by loop.Iron core 3 magnetic fluxs in arc-blowing device do not reach capacity in product situation, and the magnetic potential of magnetic field intensity and coil is directly proportional,
Ｈ＝ＫＩＶ
In formula: N-coil turn
K-constant
I-loop current
H-magnetic field intensity
In order to guarantee normally to work in critical current situation, preferably coil turn is set to 35 circles, so at disjunction fault current during as rated operational current, blow-out coil 2 all can produce larger magnetic field intensity, make arc motion very fast, greatly shorten the arcing time, reduced the loss to equipment.
Embodiment 2
On the basis of the arc blow-out system described in embodiment 1, under described, leading arc angle assembly 5 is preferably fixedly connected with arc blow-out locular wall 4 by connecting bolt 6, and is connected with blow-out coil 2 by connecting bolt 6, in solution prior art by blow-out coil 2 and under lead arc angle assembly 5 and be welded to connect and cause the problem of being inconvenient to safeguard.
Described connecting bolt 6 is arranged in arc blow-out locular wall 4 by securing member 7.
Described binding post 8 is arranged in arc blow-out locular wall 4 by securing member 7, and described arc blow-out locular wall 4 adopts insulating material, preferably adopts ceramic material, and described securing member 7 adopts insulating material, preferably adopts ceramic material.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And the apparent variation of being extended out thus or change are still among protection range of the present utility model.
Claims (7)
1. an arc blow-out system, the space of leading arc angle assembly (5) and static contact component (1) under comprising and surrounding, in described space, be provided with arc extinguish chambers, it is characterized in that, described arc extinguish chambers is arranged on the fixed contact below of described static contact component (1), in described arc extinguish chambers, be provided with blow-out coil (2), in described blow-out coil (2), be also provided with iron core (3), described blow-out coil (2) one end is connected to down leads arc angle assembly (5), and the other end is connected on described static contact component (1) by binding post.
2. arc blow-out system according to claim 1, is characterized in that, the end of described static contact component (1) and described under lead between the end of arc angle assembly (5) and have gap.
3. arc blow-out system according to claim 2, is characterized in that, described gap is 1mm.
4. arc blow-out system according to claim 3, is characterized in that, the described blow-out coil number of turn is set to 35 circles.
5. according to the arc blow-out system described in claim 1 or 2 or 3 or 4, it is characterized in that, lead arc angle assembly (5) under described to be fixedly connected with arc blow-out locular wall (4) by connecting bolt (6), and be connected with blow-out coil (2) by connecting bolt (6).
6. arc blow-out system according to claim 5, is characterized in that, described connecting bolt (6) is arranged in arc blow-out locular wall (4) by securing member (7) respectively with described binding post (8).
7. arc blow-out system according to claim 6, is characterized in that, described arc blow-out locular wall (4) insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697396.0U CN203503561U (en) | 2013-11-06 | 2013-11-06 | Arc blow-out system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697396.0U CN203503561U (en) | 2013-11-06 | 2013-11-06 | Arc blow-out system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203503561U true CN203503561U (en) | 2014-03-26 |
Family
ID=50334520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320697396.0U Expired - Lifetime CN203503561U (en) | 2013-11-06 | 2013-11-06 | Arc blow-out system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203503561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098477A (en) * | 2016-08-15 | 2016-11-09 | 贵州天义电器有限责任公司 | A kind of high-voltage DC contactor of band magnetic coil arc extinguishing |
-
2013
- 2013-11-06 CN CN201320697396.0U patent/CN203503561U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098477A (en) * | 2016-08-15 | 2016-11-09 | 贵州天义电器有限责任公司 | A kind of high-voltage DC contactor of band magnetic coil arc extinguishing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |
|
| CX01 | Expiry of patent term |