CN205230960U - High voltage circuit breaker permanent magnetic mechanism - Google Patents
High voltage circuit breaker permanent magnetic mechanism Download PDFInfo
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- CN205230960U CN205230960U CN201520958156.0U CN201520958156U CN205230960U CN 205230960 U CN205230960 U CN 205230960U CN 201520958156 U CN201520958156 U CN 201520958156U CN 205230960 U CN205230960 U CN 205230960U
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- iron core
- separating brake
- boss
- static iron
- dynamic
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Abstract
The utility model relates to a high voltage circuit breaker permanent magnetic mechanism, including quiet iron core, move iron core, permanent magnet and set up separating brake coil and the closing coils at both ends, move and be equipped with the actuating lever on the iron core, quiet iron core including the quiet iron core of separating brake end and the quiet iron core of end that closes a floodgate, move the iron core and be close to the quiet iron core one end surface of separating brake end and be equipped with and move the iron core boss, and adjacent move to form between the iron core boss move the iron core recess, the quiet iron core surface of separating brake end be equipped with quiet iron core boss, and form quiet iron core recess between the adjacent quiet iron core boss, quiet iron core boss forms can male cooperation relation with moving between the iron core recess, move to form between iron core boss and the quiet iron core recess male cooperation to concern. The utility model discloses an improvement to the structure of moving iron core and quiet iron core has improved separating brake power, has reduced the separating brake confining force to improved separating brake speed and combined floodgate efficiency, can reduce that permanent magnetic mechanism closes, the peak current of coil during the separating brake operation.
Description
Technical field
The utility model relates to a kind of permanent magnet mechanism of primary cut-out.
Background technology
High-voltage breaker permanent magnetic mechanism includes static iron core, dynamic iron core, permanent magnet and is arranged on switching winding and the closing coil at two ends, dynamic iron core is equipped with drive rod, static iron core includes separating brake end static iron core and the end static iron core that closes a floodgate, and controls to move iron core adhesive to separating brake static iron core or combined floodgate static iron core realize separating brake and close a floodgate by switching winding and closing coil.At present, in the circuit breaker of permanent magnet mechanism actuating, due to the reason of permanent magnet mechanism project organization, during mechanism's splitting or integrating lock operation, splitting or integrating efficiency is low, need coil to provide larger peak current could realize the operation of splitting or integrating lock, and opening velocity is lower, is difficult to the demand meeting breaker open operation.
Summary of the invention
In order to overcome the above-mentioned deficiency of prior art, the utility model provides a kind of peak current of coil when can reduce the operation of permanent magnet mechanism splitting or integrating lock and improves the high-voltage breaker permanent magnetic mechanism of opening velocity.
The technical scheme in the invention for solving the technical problem is:
A kind of high-voltage breaker permanent magnetic mechanism, comprise static iron core, dynamic iron core, permanent magnet and be arranged on switching winding and the closing coil at two ends, dynamic iron core is provided with drive rod, described static iron core includes separating brake end static iron core and the end static iron core that closes a floodgate, it is characterized in that: described dynamic iron core is provided with dynamic iron core boss near separating brake end static iron core end surface, and between adjacent dynamic iron core boss, form dynamic iron core groove, described separating brake end static iron core surface is provided with static iron core boss, and form static iron core groove between adjacent static iron core boss, the matching relationship that can insert is formed between static iron core boss and dynamic iron core groove, the dynamic matching relationship that between iron core boss and static iron core groove, formation can be inserted.
As preferably, the side of dynamic iron core boss is set to annular, and is parallel to the axis direction of dynamic iron core.
As preferably, the side of static iron core boss is set to annular, and is parallel to the axis direction of static iron core.
As preferably, move iron core boss identical with the width of static iron core boss.
Dynamic between iron core and static iron core, form the matching relationship that can mutually insert, and dynamic and static iron core boss side surfaces is annular, and this anchor ring and dynamic and static iron mandrel line parallel, object improves the magnetic line of force shunting effect of permanent magnet mechanism when gate-dividing state.When closing position, namely when dynamic iron core is pull-in on combined floodgate static iron core, if traditional permanent magnet mechanism, then dynamic air gap between iron core and separating brake end static iron core is larger, then separating brake power is difficult to improve, separating brake efficiency is lower, and the utility model is owing to have employed the annular boss cooperatively interacting and insert, under the condition not changing stroke, dynamic air gap between iron core and separating brake end static iron core significantly reduces, thus the magnetic resistance in separating brake magnetic loop is significantly reduced, when identical coil current, when magnetic resistance reduces, separating brake power just adds, thus improve opening velocity.
When open position, namely dynamic iron core is pull-in on separating brake end static iron core place, traditional dynamic iron core and separating brake end static iron core are plane and plane contact, contact area is large, the structure of the magnetic line of force is not shunted yet, separating brake confining force is very large, then the power that when closing a floodgate, needs overcome is also larger, and excessive maybe can not the combined floodgate of the electric current of closing coil is put in place.In prior art, if reduce separating brake confining force, need between dynamic iron core and separating brake end static iron core, to increase the larger material of magnetic resistance if brass pad is as liner, and the large material of magnetic resistance is as liner, magnetic resistance during permanent magnet mechanism sub-switching operation can be made to increase, thus reduce separating brake power, separating brake efficiency can be affected again.And the utility model, dynamic iron core and separating brake end static iron core insert by boss groove is staggered, the mating surface (face paralleled to the axis) inserting position axis direction can shunt most of magnetic line of force, this mating surface is perpendicular to separating brake force direction, this part magnetic line of force namely shunted can not produce separating brake confining force (separating brake confining force is at axis direction), so just greatly reduce separating brake confining force, the counter-force overcome when namely closing a floodgate reduces, the efficiency of closing a floodgate is improved, and the electric current that namely closing coil needs reduces.In addition because this construction reduces separating brake confining force, move and no longer need larger magnetic resistance liner between iron core and separating brake end static iron core, during such sub-switching operation, reduce magnetic resistance, improve separating brake power, further increase separating brake efficiency.
The beneficial effects of the utility model are: the utility model is by the improvement of the structure to dynamic iron core and static iron core, improve separating brake power, reduce separating brake confining force, thus improve opening velocity and combined floodgate efficiency, the peak current of coil during the operation of permanent magnet mechanism splitting or integrating lock can be reduced.
Accompanying drawing explanation
Fig. 1 is the generalized section of permanent magnet mechanism when open position.
Fig. 2 is the generalized section of permanent magnet mechanism when closing position.
Fig. 3 is that permanent magnet mechanism moves core structure schematic diagram.
Fig. 4 is permanent magnet mechanism static iron core structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1,2,3, 4, a kind of high-voltage breaker permanent magnetic mechanism, comprise static iron core, dynamic iron core 3, permanent magnet and be arranged on switching winding 4 and the closing coil 2 at two ends, dynamic iron core is provided with drive rod 1.Static iron core includes separating brake end static iron core 5 and the end static iron core 6 that closes a floodgate, dynamic iron core 3 is provided with the dynamic iron core boss 31 of more than one annular near separating brake end static iron core 5 end surface, namely the side of dynamic iron core boss is set to annular, and is parallel to the axis direction of dynamic iron core.Described separating brake end static iron core 5 surface is provided with the static iron core boss 51 of more than one annular, and namely the side of static iron core boss is set to annular, and is parallel to the axis direction of static iron core.
And between adjacent static iron core boss 51, be formed with the static iron core groove 52 coordinating dynamic iron core boss 31 to insert, be formed with the dynamic iron core groove 32 coordinating static iron core boss to insert between adjacent dynamic iron core boss.Dynamic iron core boss 31 is identical with the width of static iron core boss 51, can certainly be different.
Respectively can grafting mutually near separating brake end static iron core one end by separating brake end static iron core and dynamic iron core, namely dynamic iron core boss and static iron core boss are set.
When closing position, namely when dynamic iron core 3 is pull-in on and closes a floodgate end static iron core 6, if traditional permanent magnet mechanism, then dynamic air gap between iron core and separating brake end static iron core is larger, then separating brake power is difficult to improve, separating brake efficiency is lower, and the utility model is owing to have employed the annular boss cooperatively interacting and insert, under the condition not changing formation, dynamic air gap between iron core 3 and separating brake end static iron core 5 significantly reduces, thus the magnetic resistance in separating brake magnetic loop is significantly reduced, when identical coil current, separating brake power is applicable to that magnetic resistance is inversely proportional to, then when magnetic group significantly reduces, separating brake power just adds, thus improve opening velocity.
When open position, namely dynamic iron core 3 is pull-in on separating brake end static iron core 5 place, traditional dynamic iron core and separating brake end static iron core are plane and plane contact, contact area is large, the structure of the magnetic line of force is not shunted yet, separating brake confining force is very large, then the power that when closing a floodgate, needs overcome is also larger, and excessive maybe can not the combined floodgate of the electric current of closing coil is put in place.In prior art, if reduce separating brake confining force, need between dynamic iron core and separating brake end static iron core, to increase the larger material of magnetic resistance if brass pad is as liner, and the large material of magnetic resistance is as liner, magnetic resistance during permanent magnet mechanism sub-switching operation can be made to increase, thus reduce separating brake power, separating brake efficiency can be affected again.And the utility model, dynamic iron core 3 inserts by boss groove is staggered with separating brake end static iron core 5, the mating surface (face paralleled to the axis) inserting position axis direction can shunt most of magnetic line of force, this mating surface is perpendicular to separating brake force direction, this part magnetic line of force namely shunted can not produce separating brake confining force (separating brake confining force is at axis direction), so just greatly reduce separating brake confining force, the counter-force overcome when namely closing a floodgate reduces, the efficiency of closing a floodgate is improved, and the electric current that namely closing coil needs reduces.In addition because this construction reduces separating brake confining force, move and no longer need larger magnetic resistance liner between iron core and separating brake end static iron core, during such sub-switching operation, reduce magnetic resistance, improve separating brake power, further increase separating brake efficiency.
The utility model, by the improvement of the structure to dynamic iron core and static iron core, improves separating brake power, reduces separating brake confining force, thus improve opening velocity and combined floodgate efficiency, can reduce the peak current of coil during the operation of permanent magnet mechanism splitting or integrating lock.
Claims (4)
1. a high-voltage breaker permanent magnetic mechanism, comprise static iron core, dynamic iron core, permanent magnet and be arranged on switching winding and the closing coil at two ends, dynamic iron core is provided with drive rod, described static iron core includes separating brake end static iron core and the end static iron core that closes a floodgate, it is characterized in that: described dynamic iron core is provided with dynamic iron core boss near separating brake end static iron core end surface, and between adjacent dynamic iron core boss, form dynamic iron core groove, described separating brake end static iron core surface is provided with static iron core boss, and form static iron core groove between adjacent static iron core boss, the matching relationship that can insert is formed between static iron core boss and dynamic iron core groove, the dynamic matching relationship that between iron core boss and static iron core groove, formation can be inserted.
2. a kind of high-voltage breaker permanent magnetic mechanism according to claim 1, is characterized in that: the side of described dynamic iron core boss is set to annular, and is parallel to the axis direction of dynamic iron core.
3. a kind of high-voltage breaker permanent magnetic mechanism according to claim 2, is characterized in that: the side of described static iron core boss is set to annular, and is parallel to the axis direction of static iron core.
4. a kind of high-voltage breaker permanent magnetic mechanism according to claim 3, is characterized in that: described dynamic iron core boss is identical with the width of static iron core boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958156.0U CN205230960U (en) | 2015-11-27 | 2015-11-27 | High voltage circuit breaker permanent magnetic mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958156.0U CN205230960U (en) | 2015-11-27 | 2015-11-27 | High voltage circuit breaker permanent magnetic mechanism |
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| Publication Number | Publication Date |
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| CN205230960U true CN205230960U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520958156.0U Active CN205230960U (en) | 2015-11-27 | 2015-11-27 | High voltage circuit breaker permanent magnetic mechanism |
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| CN (1) | CN205230960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799359A (en) * | 2017-11-02 | 2018-03-13 | 苏州安来强电子科技有限公司 | A kind of New Magnetic Field Controlled keeps D.C. contactor |
-
2015
- 2015-11-27 CN CN201520958156.0U patent/CN205230960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799359A (en) * | 2017-11-02 | 2018-03-13 | 苏州安来强电子科技有限公司 | A kind of New Magnetic Field Controlled keeps D.C. contactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |