CN102637559B - Overvoltage and undervoltage tripper of small-sized breaker - Google Patents
Overvoltage and undervoltage tripper of small-sized breaker Download PDFInfo
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- CN102637559B CN102637559B CN201210097387.8A CN201210097387A CN102637559B CN 102637559 B CN102637559 B CN 102637559B CN 201210097387 A CN201210097387 A CN 201210097387A CN 102637559 B CN102637559 B CN 102637559B
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- overvoltage
- housing
- circuit breaker
- pivoting part
- miniature circuit
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Abstract
An overvoltage and undervoltage tripper of a small-sized breaker solves the problem of complicated structure of an existing tripper and comprises a casing. The casing is provided with a control circuit board and a tripping driver inside. The tripping driver comprises a coil former, a movable iron core, a fixed iron core and an ejector rod, a rotation part is sleeved inside the casing, the ejector rod corresponds to the rotation part, the rotation part is provided with a connecting shaft, the connecting shaft penetrating through an arc groove on the casing to be connected with a lock catch of the breaker, the casing is provided with a guide mechanism, and the guide mechanism is matched with the rotation part. The overvoltage and undervoltage tripper of the small-sized breaker has the advantages that the motion manner of rotation of the single rotation part is created, tripping of the breaker is realized, transmission mechanism of an original tripper is simplified, size of the tripper can be reduced indirectly, assembling difficulty is reduced, and labor is saved. Furthermore, the lock catch can move in a unique and accurate track by the aid of the guide mechanism arranged on the casing.
Description
Technical field
The present invention relates to electric protective device field, be specifically related to a kind of overvoltage/undervoltage release of miniature circuit breaker.
Background technology
Miniature circuit breaker refers to and is usually used in the places such as industry, business, high level and residential houses by the low-voltage circuit breaker that interchange 50/60 hertz, rated voltage 230/400 volt, rated current 63 amperes use with line.Having under-voltage, over-voltage protecting function for the miniature circuit breaker that the occasion that voltage request is stricter is used, is generally assembled independent under-voltage, an overvoltage release in the side of miniature circuit breaker.Described under-voltage, overvoltage release generally comprise housing, under-voltage, overvoltage control circuit board, dropout driver and transmission mechanism, when under-voltage or overvoltage, the action of dropout driver also makes the snap close in miniature circuit breaker and tripping depart from by transmission mechanism, small size breaker, main circuit disconnects.
Existing transmission mechanism generally comprises snap close, and mixes cold-worked part, working of plastics, spring, connector etc., so just can complete the action of complete set, make small size breaker.So not only make the cost of product increase, the cost comprising parts increases, and the increase of assembly difficulty makes the increase of labor strength and the attenuating greatly of operating efficiency, and owing to there being a lot of parts, also makes the volume of release greatly increase.
Summary of the invention
For solving the problem of existing tripper structure complexity in background technology, the invention provides that a kind of structure is simple, with low cost, the overvoltage/undervoltage release of the miniature circuit breaker of stable performance.
Technical scheme of the present invention is: a kind of overvoltage/undervoltage release of miniature circuit breaker, comprise housing, described housing comprises upper cover and base, control circuit board and dropout driver is provided with in housing, described control circuit board is connected by wire with dropout driver, described dropout driver comprises bobbin, dynamic iron core, static iron core and push rod, pivoting part is arranged with in described housing, described push rod is corresponding with pivoting part, described pivoting part is provided with connecting axle, described connecting axle is connected with the snap close of circuit breaker through the deep-slotted chip breaker on housing, described housing is provided with guiding mechanism, described guiding mechanism matches with pivoting part.
As a modification of the present invention, described pivoting part is provided with gap slot, fixingly on described housing is socketed with guiding clamping plate, and described guiding clamping plate match with gap slot the guiding mechanism described in forming.
Improve as another kind of the present invention, described guiding clamping plate are at least provided with one piece of projection.
Improve as another kind of the present invention, between described guiding clamping plate and pivoting part, adopt matched in clearance.
Improve as another kind of the present invention, described housing is provided with sleeve pipe on the axle being arranged with guiding clamping plate and pivoting part.
Improve as another kind of the present invention, described housing is provided with multiple storage tank, be provided with plug holder in described storage tank, described plug holder one end is connected with control circuit board by wire, and the other end of described plug holder is connected with the connector on circuit breaker external wire.
Improve as another kind of the present invention, described multiple storage tanks are all located on the base of housing.
Improve as another kind of the present invention, described multiple storage tanks are located at the same side of housing.
Improve as another kind of the present invention, described plug holder and the clamping of connector phase.
Improve as another kind of the present invention, described housing is provided with two deep-slotted chip breakers, and is symmetrically distributed on upper cover and base.
The invention has the beneficial effects as follows, create single pivoting part and rotate the motion mode realizing small size breaker, when making pivoting part drive connecting axle and not need other parts to move together, realize the dropout to circuit breaker, simplify the transmission mechanism of original release, the volume of release indirectly can be made to reduce.The transmission mechanism simplified not only reduces the cost of product, and reduces assembly difficulty, has saved labour.And guiding mechanism is provided with on housing, pivoting part movement locus can be made unique, accurate.Through repeatedly repetition test, the present invention can ensure the performance of release completely.
Accompanying drawing explanation
Accompanying drawing 1 is explosive view of the present invention.
Accompanying drawing 2 is using state figure of the present invention.
Accompanying drawing 3 is the structural representation of pivoting part 5 in accompanying drawing 1.
Accompanying drawing 4 is the structural representation of clamping plate 6 of leading in accompanying drawing 1.
Accompanying drawing 5 is the structural representation of plug holder 9 in accompanying drawing 2.
Accompanying drawing 6 is the structural representation of connector 21 in accompanying drawing 2.
In figure, housing 1, upper cover 11, deep-slotted chip breaker 111, base 12, storage tank 121, circuit breaker 2, connector 21, through hole 211, control circuit board 3, dropout driver 4, push rod 41, pivoting part 5, gap slot 51, guiding clamping plate 6, projection 61, sleeve pipe 7, edge 71, connecting axle 8, plug holder 9, salient point 91.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated:
As shown in Figure 1, a kind of overvoltage/undervoltage release of miniature circuit breaker, comprise housing 1, described housing 1 comprises upper cover 11 and base 12, control circuit board 3 and dropout driver 4 is provided with in housing 1, described control circuit board 3 is connected by wire with dropout driver 4, described dropout driver 4 comprises bobbin, dynamic iron core, static iron core and push rod 41, pivoting part 5 is arranged with in described housing 1, described push rod 41 is corresponding with pivoting part 5, described pivoting part 5 is provided with connecting axle 8, described connecting axle 8 is connected with the snap close of circuit breaker 2 through the deep-slotted chip breaker 111 on housing 1, described housing 1 is provided with guiding mechanism, described guiding mechanism matches with pivoting part 5.When control circuit board connect 3 receive overvoltage and under-voltage signal time, to trip coil transmission actuating signal after control circuit board 3 processes, dynamic iron core action under the effect of electromagnetic induction inside trip line coil, dynamic iron core promotes push rod 41 and clashes into pivoting part 5, pivoting part 5 is rotated, and described pivoting part 5 realizes the dropout to circuit breaker 2 by connecting axle 8.The invention has the beneficial effects as follows, create single pivoting part and rotate the motion mode realizing small size breaker, when making pivoting part drive connecting axle and not need other parts to move together, realize the dropout to circuit breaker, simplify the transmission mechanism of original release, the volume of release indirectly can be made to reduce.The transmission mechanism simplified not only reduces the cost of product, and reduces assembly difficulty, has saved labour.And guiding mechanism is provided with on housing, pivoting part movement locus can be made unique, accurate.Through repeatedly repetition test, the present invention can ensure the performance of release completely.
Described pivoting part 5 is provided with gap slot 51, fixingly on described housing 1 is socketed with guiding clamping plate 6, and described guiding clamping plate 6 match with gap slot 51 guiding mechanism described in forming.Such structure structure is simple, easy to process, and pivoting part movement locus can be made unique, accurate.
Described guiding clamping plate 6 are at least provided with one piece of projection 61.In fact being preferably provided with two pieces of projections 61, a piece is located near the rotation axis of pivoting part 5, and another block is located at the range place that pivoting part 5 can rotate.Like this structure can play restriction pivoting part rotation, determine the effect of the stroke of pivoting part.
Matched in clearance is adopted between described guiding clamping plate 6 and pivoting part 5.Such structure makes pivoting part to rotate flexibly.
Described housing 1 is provided with sleeve pipe 7 on the axle being arranged with guiding clamping plate 6 and pivoting part 5.Specifically, this sleeve pipe 7 is brass sleeve pipe, and outwards folding of its one end forms edge 71.Such structure is more conducive to fixed guide clamping plate and pivoting part, and the setting at sleeve pipe edge is also unlikely to allow sleeve pipe run out.
Described housing 1 is provided with multiple storage tank 121, plug holder 9 is provided with in described storage tank 121, described plug holder 9 one end is connected with control circuit board 3 by wire, and the other end of described plug holder 9 is connected with the connector 21 on circuit breaker 2 external wire.The mode adopting plug holder to match with connector replaces screw conventional on the market to compress the mode of connection, make terminal block simple and convenient, and the connection mode that plug holder matches with connector is more fast and simple, more reliable and more stable, hommization more.
Described multiple storage tanks 121 are all located on the base 12 of housing 1, and described multiple storage tanks 121 are located at the same side of housing 1.Such structure is convenient to fixing pluge seat, makes plug holder more simple when assembling, convenient.
Described plug holder 9 and the clamping of connector 21 phase.Specifically, described plug holder 9 is provided with salient point 91, and described connector 21 is provided with the through hole 211 corresponding with salient point 91.Such structure can effectively time connector match with plug holder, again can the convenient plug and contact engaging and separating force is better when client needs.Certainly plug holder and the connector of other mode clampings can also be adopted in the present invention.Or locking connector can be adopted, the connector can not extracted after being namely plugged.
Described housing 1 is provided with two deep-slotted chip breakers 111, and is symmetrically distributed on upper cover 11 and base 12.Described connecting axle 8 is connected with circuit breaker 2 through one of them deep-slotted chip breaker 111, and another deep-slotted chip breaker 111 may be used for later expansion, increases extra function.
Certainly guiding mechanism in the present invention also can be provided with gathering sill on housing 1, described pivoting part 5 is provided with and slides block, slides block and gathering sill forms guiding mechanism jointly.
Every technical staff's notice: although the present invention describes according to above-mentioned embodiment, invention thought of the present invention is not limited in this utility model, and the repacking of any utilization inventive concept all will be included in this patent scope of patent protection.
Claims (9)
1. the overvoltage/undervoltage release of a miniature circuit breaker, comprise housing (1), described housing (1) comprises upper cover (11) and base (12), control circuit board (3) and dropout driver (4) is provided with in housing (1), described control circuit board (3) is connected by wire with dropout driver (4), described dropout driver (4) comprises bobbin, dynamic iron core, static iron core and push rod (41), it is characterized in that: in described housing (1), be arranged with pivoting part (5), described push rod (41) is corresponding with pivoting part (5), described pivoting part (5) is provided with connecting axle (8), described connecting axle (8) is connected with the snap close of circuit breaker (2) through the deep-slotted chip breaker (111) on housing (1), described housing (1) is provided with guiding mechanism, described pivoting part (5) is provided with gap slot (51), what described housing (1) was above fixed is socketed with guiding clamping plate (6), described guiding clamping plate (6) match with gap slot (51) guiding mechanism described in forming, described guiding mechanism matches with pivoting part (5).
2. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 1, is characterized in that described guiding clamping plate (6) are at least provided with one piece of projection (61).
3. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 1 and 2, is characterized in that adopting matched in clearance between described guiding clamping plate (6) and pivoting part (5).
4. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 1, is characterized in that described housing (1) is provided with sleeve pipe (7) on the axle being arranged with guiding clamping plate (6) and pivoting part (5).
5. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 1, it is characterized in that described housing (1) is provided with multiple storage tank (121), plug holder (9) is provided with in described storage tank (121), described plug holder (9) one end is connected with control circuit board (3) by wire, and the other end of described plug holder (9) is connected with the connector (21) on circuit breaker (2) external wire.
6. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 5, is characterized in that described multiple storage tanks (121) are all located on the base (12) of housing (1).
7. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 5 or 6, is characterized in that described multiple storage tanks (121) are located at the same side of housing (1).
8. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 5, is characterized in that described plug holder (9) and connector (21) phase clamping.
9. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 1, is characterized in that described housing (1) is provided with two deep-slotted chip breakers (111), and is symmetrically distributed on upper cover (11) and base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097387.8A CN102637559B (en) | 2012-04-01 | 2012-04-01 | Overvoltage and undervoltage tripper of small-sized breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097387.8A CN102637559B (en) | 2012-04-01 | 2012-04-01 | Overvoltage and undervoltage tripper of small-sized breaker |
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| Publication Number | Publication Date |
|---|---|
| CN102637559A CN102637559A (en) | 2012-08-15 |
| CN102637559B true CN102637559B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210097387.8A Active CN102637559B (en) | 2012-04-01 | 2012-04-01 | Overvoltage and undervoltage tripper of small-sized breaker |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008159371A (en) * | 2006-12-22 | 2008-07-10 | Idec Corp | Circuit breaker |
| CN201689845U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Hydraulic electromagnetic breaker with free tripping function |
| CN102237228A (en) * | 2011-06-16 | 2011-11-09 | 浙江天正电气股份有限公司 | Over-voltage/under-voltage protection device of miniature circuit breaker |
| CN202076202U (en) * | 2011-06-16 | 2011-12-14 | 浙江天正电气股份有限公司 | Over/under-voltage protective device of miniature breaker |
| CN202502964U (en) * | 2012-04-01 | 2012-10-24 | 浙江天正电气股份有限公司 | Over-/under-voltage tripping device of miniature circuit breaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038098Y (en) * | 2007-05-23 | 2008-03-19 | 魏志雄 | Single-phase over-voltage safeguard electrical apparatus release |
| CN201975350U (en) * | 2011-04-25 | 2011-09-14 | 浙江天正电气股份有限公司 | Small-sized circuit breaker with function of undervoltage and overvoltage protection |
-
2012
- 2012-04-01 CN CN201210097387.8A patent/CN102637559B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008159371A (en) * | 2006-12-22 | 2008-07-10 | Idec Corp | Circuit breaker |
| CN201689845U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Hydraulic electromagnetic breaker with free tripping function |
| CN102237228A (en) * | 2011-06-16 | 2011-11-09 | 浙江天正电气股份有限公司 | Over-voltage/under-voltage protection device of miniature circuit breaker |
| CN202076202U (en) * | 2011-06-16 | 2011-12-14 | 浙江天正电气股份有限公司 | Over/under-voltage protective device of miniature breaker |
| CN202502964U (en) * | 2012-04-01 | 2012-10-24 | 浙江天正电气股份有限公司 | Over-/under-voltage tripping device of miniature circuit breaker |
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| Publication number | Publication date |
|---|---|
| CN102637559A (en) | 2012-08-15 |
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