CN202502964U - Over-/under-voltage tripping device of miniature circuit breaker - Google Patents
Over-/under-voltage tripping device of miniature circuit breaker Download PDFInfo
- Publication number
- CN202502964U CN202502964U CN2012201393447U CN201220139344U CN202502964U CN 202502964 U CN202502964 U CN 202502964U CN 2012201393447 U CN2012201393447 U CN 2012201393447U CN 201220139344 U CN201220139344 U CN 201220139344U CN 202502964 U CN202502964 U CN 202502964U
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- CN
- China
- Prior art keywords
- circuit breaker
- housing
- overvoltage
- miniature circuit
- pivoting part
- 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.)
- Withdrawn - After Issue
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
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Abstract
Disclosed is an over-/under-voltage tripping device of a miniature circuit breaker. With the over-/under-voltage tripping device adopted, the problem of complex structure of existing tripping devices is solved. The over-/under-voltage tripping device comprises a shell, which is internally provided with a control circuit board and a tripping actuator, wherein the tripping actuator comprises a coil rack, a movable iron core, a static iron core and a top rod; the shell is internally sleeved with a rotary member, which corresponds to the top rod and is provided with a connecting shaft, and the connecting shaft is connected with a lock catch of the circuit breaker by passing through an arc groove on the shell; and the shell is provided with a guide mechanism, which matches with the rotary member. The over-/under-voltage tripping device of the miniature circuit breaker has the beneficial effects that: an original motion mode of single rotary member rotation is created to realize circuit breaker tripping; the drive mechanism of an original tripping device is simplified, which can make the tripping device smaller in volume indirectly, the assembly difficulty is reduced, and the labor is saved; and the shell is provided with the guide mechanism, which can make the motion curve of the lock catch unique and accurate.
Description
Technical field
The utility model relates to the electric protective device field, is specifically related to a kind of overvoltage/undervoltage release of miniature circuit breaker.
Background technology
Miniature circuit breaker is meant 50/60 hertz of interchange, 230/400 volt of rated voltage, 63 amperes of low-voltage circuit breakers that use with line of rated current, is usually used in places such as industry, commerce, high level and residential houses.The occasion used miniature circuit breaker strict for voltage request all has under-voltage, over-voltage protecting function, generally is at independent under-voltage, overvoltage release of the side of miniature circuit breaker assembly unit.Described under-voltage, overvoltage release generally comprises housing; Under-voltage, overvoltage control circuit board; Dropout driver and transmission mechanism, when under-voltage or overvoltage, the dropout driver moves and through transmission mechanism snap close and tripping in the miniature circuit breaker is broken away from; Miniature circuit breaker is threaded off, and main circuit breaks off.
Existing transmission mechanism generally comprises snap close, and mixes cold-worked part, working of plastics, spring, connector etc., could accomplish the complete action of a cover like this, and miniature circuit breaker is threaded off.The cost of product is increased, and comprising the cost increase of parts, the increase of assembly difficulty makes the increase of labor strength and the attenuating greatly of operating efficiency, and because a lot of parts are arranged, the volume of release is increased greatly.
Summary of the invention
Be to solve existing tripper structure complicated problems in the background technology, the utility model provides a kind of overvoltage/undervoltage release of miniature circuit breaker of simple in structure, with low cost, stable performance.
The technical scheme of the utility model is: a kind of overvoltage/undervoltage release of miniature circuit breaker, comprise housing, and described housing comprises loam cake and base; Be provided with control circuit board and dropout driver in the housing, described control circuit board links to each other through lead with the dropout driver, and described dropout driver comprises bobbin, moving iron core, static iron core and push rod; Be arranged with pivoting part in the described housing; Described push rod is corresponding with pivoting part, and described pivoting part is provided with connecting axle, and the deep-slotted chip breaker that described connecting axle passes on the housing links to each other with the snap close of circuit breaker; Described housing is provided with guiding mechanism, and described guiding mechanism matches with pivoting part.
As a kind of improvement of the utility model, described pivoting part is provided with gap slot, the fixing guiding clamping plate that are socketed with on the described housing, the described guiding clamping plate described guiding mechanism of formation that matches with gap slot.
Another kind as the utility model improves, and is provided with a projection on the described guiding clamping plate at least.
Another kind as the utility model improves, and adopts matched in clearance between described guiding clamping plate and the pivoting part.
Another kind as the utility model improves, and described housing is provided with sleeve pipe on the axle that is arranged with lead clamping plate and pivoting part.
Another kind as the utility model improves; Described housing is provided with a plurality of storage tanks; Be provided with plug holder in the described storage tank, described plug holder one end is connected with control circuit board through lead, and the other end of said plug holder is connected with connector on the circuit breaker external wire.
Another kind as the utility model improves, and described a plurality of storage tanks all are located on the base of housing.
Another kind as the utility model improves, and described a plurality of storage tanks are located at the same side of housing.
Another kind as the utility model improves described plug holder and connector clamping mutually.
Another kind as the utility model improves, and described housing is provided with two deep-slotted chip breakers, and is symmetrically distributed on loam cake and the base.
The beneficial effect of the utility model is; Create single pivoting part and rotated the motion mode of realizing that miniature circuit breaker is threaded off; Make pivoting part drive connecting axle and do not need under the situation that other parts move together; Realization has been simplified the transmission mechanism of original release to the dropout of circuit breaker, and the indirect volume that can make release reduces.The transmission mechanism of simplifying has not only reduced the cost of product, and has reduced assembly difficulty, has practiced thrift the labour.And on housing, be provided with guiding mechanism, can make the pivoting part movement locus unique, accurate.Warp is repetition test repeatedly, and the utility model can guarantee the performance of release fully.
Description of drawings
Accompanying drawing 1 is the explosive view of the utility model.
Accompanying drawing 2 is the user mode figure of the utility model.
Accompanying drawing 3 is the structural representation of pivoting part 5 in the accompanying drawing 1.
Accompanying drawing 4 is the structural representation of guiding clamping plate 6 in the accompanying drawing 1.
Accompanying drawing 5 is the structural representation of plug holder 9 in the accompanying drawing 2.
Accompanying drawing 6 is the structural representation of connector 21 in the accompanying drawing 2.
Among the figure, housing 1, loam cake 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 the utility model embodiment is described further:
By shown in Figure 1, a kind of overvoltage/undervoltage release of miniature circuit breaker comprises housing 1; Described housing 1 comprises loam cake 11 and base 12; Be provided with control circuit board 3 and dropout driver 4 in the housing 1, described control circuit board 3 and dropout driver 4 link to each other through lead, and described dropout driver 4 comprises bobbin, moves iron core, static iron core and push rod 41; Be arranged with pivoting part 5 in the described housing 1; Described push rod 41 is corresponding with pivoting part 5, and described pivoting part 5 is provided with connecting axle 8, and the deep-slotted chip breaker 111 that described connecting axle 8 passes on the housing 1 links to each other with the snap close of circuit breaker 2; Described housing 1 is provided with guiding mechanism, and described guiding mechanism matches with pivoting part 5.When control circuit board connects 3 when receiving overvoltage and under-voltage signal; Control circuit board 3 is handled the back to trip coil transmission actuating signal; The moving iron core of tripping coil frame the inside moves under the effect of electromagnetic induction; Moving iron core promotes push rod 41 bump pivoting parts 5, pivoting part 5 is rotated, the dropout that described pivoting part 5 is realized circuit breaker 2 through connecting axle 8.The beneficial effect of the utility model is; Create single pivoting part and rotated the motion mode of realizing that miniature circuit breaker is threaded off; Make pivoting part drive connecting axle and do not need under the situation that other parts move together; Realization has been simplified the transmission mechanism of original release to the dropout of circuit breaker, and the indirect volume that can make release reduces.The transmission mechanism of simplifying has not only reduced the cost of product, and has reduced assembly difficulty, has practiced thrift the labour.And on housing, be provided with guiding mechanism, can make the pivoting part movement locus unique, accurate.Warp is repetition test repeatedly, and the utility model can guarantee the performance of release fully.
Described pivoting part 5 is provided with gap slot 51, the fixing guiding clamping plate 6 that are socketed with on the described housing 1, the described guiding clamping plate 6 described guiding mechanism of formation that matches with gap slot 51.Such architecture is simple, and is easy to process, and can make the pivoting part movement locus unique, accurate.
At least be provided with a projection 61 on the described guiding clamping plate 6.In fact preferably be provided with 61, one of two projections and be located near the rotation axis of pivoting part 5, another piece is located at the range place that pivoting part 5 can rotate.Like this structure can play the restriction pivoting part rotation, confirm the effect of the stroke of pivoting part.
Adopt matched in clearance between described guiding clamping plate 6 and the pivoting part 5.Such structure makes pivoting part to rotate flexibly.
Described housing 1 is provided with sleeve pipe 7 on the axle that is arranged with guiding clamping plate 6 and pivoting part 5.Specifically, this sleeve pipe 7 is the brass sleeve pipe, and outwards folding of one of which end forms edge 71.Such structure is more conducive to fixed guide clamping plate and pivoting part, and the setting at sleeve pipe edge also is unlikely to let sleeve pipe run out.
Described housing 1 is provided with a plurality of storage tanks 121; Be provided with plug holder 9 in the described storage tank 121; Described plug holder 9 one ends are connected with control circuit board 3 through lead, and the other end of said plug holder 9 is connected with connector 21 on circuit breaker 2 external wires.The mode that adopts plug holder to match with connector replaces on the market that the screw of routine compresses the mode of connection, makes terminal block simple and convenient, and the connection mode that matches with connector of plug holder shortcut and simple more, and is more reliable and more stable, hommization more.
Described a plurality of storage tank 121 all is located on the base 12 of housing 1, and described a plurality of storage tanks 121 are located at the same side of housing 1.Such structure is convenient to the fixing pluge seat, makes plug holder more simple when assembling, convenient.
Described plug holder 9 and connector 21 clamping mutually.Specifically, described plug holder 9 is provided with salient point 91, and described connector 21 is provided with and salient point 91 corresponding through holes 211.Such structure effectively the time connector match with plug holder, again can be when the client needs convenient plug and contact engaging and separating force better.Certainly in the utility model, also can adopt the plug holder and the connector of other mode clampings.Perhaps can adopt connector with lock, promptly insert the connector that to extract after getting well.
Described housing 1 is provided with two deep-slotted chip breakers 111, and is symmetrically distributed on loam cake 11 and the base 12.Described connecting axle 8 passes one of them deep-slotted chip breaker 111 and links to each other with circuit breaker 2, and another deep-slotted chip breaker 111 can be used for later expansion, increases extra function.
Certainly the guiding mechanism in the utility model also can be on housing 1, to be provided with gathering sill, on described pivoting part 5, is provided with and slides piece, slides piece and gathering sill and constitutes guiding mechanism jointly.
Every technical staff's notice: though the utility model is described according to above-mentioned embodiment; But the invention thought of the utility model is not limited in this utility model; The repacking of any utilization inventive concept all will be included in this patent scope of patent protection.
Claims (10)
1. the overvoltage/undervoltage release of a miniature circuit breaker; Comprise housing (1), described housing (1) comprises loam cake (11) and base (12), is provided with control circuit board (3) and dropout driver (4) in the housing (1); Described control circuit board (3) links to each other through lead with dropout driver (4); Described dropout driver (4) comprises bobbin, moving iron core, static iron core and push rod (41), and it is characterized in that: be arranged with pivoting part (5) in the described housing (1), described push rod (41) is corresponding with pivoting part (5); Described pivoting part (5) is provided with connecting axle (8); The deep-slotted chip breaker (111) that described connecting axle (8) passes on the housing (1) links to each other with the snap close of circuit breaker (2), and described housing (1) is provided with guiding mechanism, and described guiding mechanism matches with pivoting part (5).
2. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 1; It is characterized in that described pivoting part (5) is provided with gap slot (51); Described housing (1) is gone up the fixing clamping plate (6) that lead that are socketed with, and described guiding clamping plate (6) match with gap slot (51) and constitute described guiding mechanism.
3. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 2 is characterized in that being provided with at least on the described guiding clamping plate (6) projection (61).
4. according to the overvoltage/undervoltage release of claim 2 or 3 described a kind of miniature circuit breakers, it is characterized in that adopting matched in clearance between described guiding clamping plate (6) and the pivoting part (5).
5. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 2 is characterized in that described housing (1) is provided with sleeve pipe (7) on the axle that is arranged with lead clamping plate (6) and pivoting part (5).
6. 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 a plurality of storage tanks (121); Be provided with plug holder (9) in the described storage tank (121); Described plug holder (9) one ends are connected with control circuit board (3) through lead, and the other end of said plug holder (9) is connected with connector (21) on circuit breaker (2) external wire.
7. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 6 is characterized in that described a plurality of storage tank (121) all is located on the base (12) of housing (1).
8. according to the overvoltage/undervoltage release of claim 6 or 7 described a kind of miniature circuit breakers, it is characterized in that described a plurality of storage tank (121) is located at the same side of housing (1).
9. the overvoltage/undervoltage release of a kind of miniature circuit breaker according to claim 6 is characterized in that described plug holder (9) and connector (21) clamping mutually.
10. 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 loam cake (11) and the base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201393447U CN202502964U (en) | 2012-04-01 | 2012-04-01 | Over-/under-voltage tripping device of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201393447U CN202502964U (en) | 2012-04-01 | 2012-04-01 | Over-/under-voltage tripping device of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202502964U true CN202502964U (en) | 2012-10-24 |
Family
ID=47039572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201393447U Withdrawn - After Issue CN202502964U (en) | 2012-04-01 | 2012-04-01 | Over-/under-voltage tripping device of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202502964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637559A (en) * | 2012-04-01 | 2012-08-15 | 浙江天正电气股份有限公司 | Overvoltage and undervoltage tripper of small-sized breaker |
-
2012
- 2012-04-01 CN CN2012201393447U patent/CN202502964U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637559A (en) * | 2012-04-01 | 2012-08-15 | 浙江天正电气股份有限公司 | Overvoltage and undervoltage tripper of small-sized breaker |
| CN102637559B (en) * | 2012-04-01 | 2014-12-17 | 浙江天正电气股份有限公司 | Overvoltage and undervoltage tripper of small-sized breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121024 Effective date of abandoning: 20141217 |
|
| RGAV | Abandon patent right to avoid regrant |