CN1163930C - Tripping device for overcurrent breaker - Google Patents
Tripping device for overcurrent breaker Download PDFInfo
- Publication number
- CN1163930C CN1163930C CNB971132631A CN97113263A CN1163930C CN 1163930 C CN1163930 C CN 1163930C CN B971132631 A CNB971132631 A CN B971132631A CN 97113263 A CN97113263 A CN 97113263A CN 1163930 C CN1163930 C CN 1163930C
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- China
- Prior art keywords
- armature
- triping
- trip gear
- holding force
- 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 - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2463—Electromagnetic mechanisms with plunger type armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/26—Electromagnetic mechanisms with windings acting in opposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electromagnets (AREA)
Abstract
The device has a release-armature (1) which actuates a switch lock (20). The armature (1) is actuated by a coil (3) through which the current to be monitored flows. The armature (1) is actuated by a magnetic armature (5) which is moved directly by the coil (3). The magnetic armature (5) is connected to the trigger armature (1) by means of at least on elastic coupling member (4) and preferably one or more auxiliary armatures (11). The trigger armature (1) is held in its rest position with a predetermined holding force, which is preferably a force generated in a mechanical manner.
Description
Technical field
The present invention relates to a kind of overcurrent release, for example the trip gear of disconnect.It comprises a control blocking mechanism and the armature of being controlled by coil of triping (trippingarmature), and monitored electric current flows through this coil.
Background technology
Overcurrent release is main, and it can only be used for the disposable process that opens circuit, and uses automatic safety device on the other hand on the one hand with fuse link (fuse links), and it can be access in again, therefore can repeatedly use.
In electric power system, said this overload protection was arranged in the supply line before supply line is divided into a plurality of circuit parallel with one another usually.Each sort circuit all has the protective device that comprises personnel protection (residual current device or similar device) and system protection (disconnect, fuse link or the like and so on).These circuit, own with regard to them, if desired, can further be divided into parallel circuit, these parallel circuits are protected with protective device equally.
In the sort circuit structure, the protective device in the supply line, circuit and parallel circuit constitute a series circuit.
If a unacceptable high electric current produces in parallel circuit, wish only to distribute to the disconnect automatic trip of this parallel circuit, therefore the parallel circuit with it disconnects from main circuit, but all upstream disconnects keep connecting, so this makes all circuit keep being connected with clean parallel circuit and main circuit.Have only when the overcurrent that produces greatly to so that no longer be disconnect of this shunt when disconnecting, more higher leveled disconnect just responds.This time delay conversion of upstream disconnect is referred to as " selectivity ".
Under the situation of fuse link, this selectivity depends on the fuse necessary energy, and this heat energy was directly proportional with the time of the quadratic sum overcurrent effect of electric current.
Generally speaking, two kinds of trip gears are set in disconnect, first kind of device be used to disconnect be a bit larger tham system nominal current and action time long overcurrent.
Second kind of device, so-called short circuit current circuit breaker has a coil that flows through monitored electric current usually, and it has a moving armature that can cause disconnection.The thrermostatic bimetal-plate that monitored electric current flows through is used for imitating and postpones.This delay is illustrated in the scope of fuse link, and depends on heat energy, therefore also depends on the size and the time of electric current.The distortion of these bimetal leafs is similar to fuse, is directly proportional with the quadratic sum time of electric current.And utilize the means of this distortion, make the time-delay conversion operations of short circuit current circuit breaker become possibility.
These bimetal leafs are such elements, and it needs accurately mechanical adjustment on the one hand, need the electrical connection that adds on the other hand.In a word, it makes the design of disconnect become quite complicated.And therefore cause functional reliability to reduce, and make difficulty more.
Summary of the invention
The purpose of this invention is to provide the sort of trip gear that selectively trips and move that a kind of beginning is mentioned.For this purpose, this trip gear has only the simple insensitive element of a small amount of installation except the breaking coil of routine.
Further purpose of the present invention provides a kind of simple as far as possible device that said holding force and selectivity can be regulated that produces, and designs the example of tripper according to the present invention, and it can be realized actually, reliable in function.These are realized by the measure of quoting in the dependent claims.
According to the present invention, a kind of trip gear of overcurrent release is provided, comprise the armature of triping control one blocking mechanism and that controlled by a coil, monitored electric current flows through coil, the armature of wherein triping can be controlled indirectly by armature, armature is directly moved by coil, and be connected with the armature of triping with at least one elastic coupling element, and have one or more auxiliary armature, and the armature of triping remains on its resting position by the holding force that can preset, and it is characterized in that, when the power that produces when overcurrent surpasses holding force, the armature of triping moves suddenly, blocking mechanism action as a result.
The time delay of conversion operations can realize that this delay scheme is more reliable on function than electricity one a hot machine solution with dynamo-electric measure or electromechanical structure.
According to first kind of scheme of the present invention, holding force can be the power that a kind of mechanical system produces.According to the present invention, this mechanical system makes that the structure of trip gear is not only firm but also compact.
About this point, holding force can be one by the stiction that produces with the contacted element of the armature of triping.
The contact pressure that changes element on the armature of triping can very easily be adjusted holding force.
According to another embodiment of the invention, it is possible producing holding force with flexible member.This flexible member, for example a quick-action spring action is on the armature of triping.
A sizable holding force can be obtained with a kind of simple mode like this, therefore a long time delay can be realized.
According to most preferred embodiment of the present invention, holding force can be a kind of magnetic force, and it is produced by at least one permanent magnet or the electromagnet that act on the armature of triping.
There is the magnetic characteristic that can predict quite exactly in such system, and is invariable with respect to the influence of surrounding environment.Therefore the trip gear time delay that practical manifestation goes out in whole lifetime that offers system is a constant.
It is very favorable acting on holding force on the armature of triping variable, because the time delay of the process of triping in this way is variable, and can be complementary with the protective device in its downstream according to the conversion equipment that the present invention is equipped with trip gear.
In this, the variation of holding force is that the function of monitored electric current is particularly advantageous.
This makes trip gear that adaptability be arranged, and the size that postpones according to short circuit current that opens circuit accordingly increases automatically.
In development of the present invention, holding force can be produced by magnet with one, an electric current that is directly proportional with monitored electric current this electromagnet of flowing through.
Above this makes the variation of the said holding force that depends on electric current with a kind of especially simply and on the function very reliable mode realize.
The further characteristics of the present invention are to constitute at least one elastic coupling element by helical spring, because the space that this element occupies is little, good elasticity is arranged simultaneously, and elasticity remain unchanged.
According to special most preferred embodiment of the present invention, the part of armature can be arranged in the inside of coil at least.
Therefore armature can move with the magnetic force of a kind of accurate predictable mode by monitored electric current.
In the development of above-mentioned most preferred embodiment, the armature of triping can be set at the inside of coil, and the armature of triping is made by nonmagnetic substance.
This makes trip gear that a quite compact mechanical dimension be arranged.
Armature can be designed to the pipe of one one end sealing, and trip armature and at least one Connection Element can be arranged in the cavity that is made of armature at least in part.
Like this, can further reduce the physical dimension of trip gear according to the present invention, trip gear mainly only depends on the size of coil now, and in addition, does not have other movable elements.
In the further improvement of the present invention scheme, the armature of triping has a servicing unit, and it passes armature, and preferably parallel with the longitudinal axis of coil.Holding force acts on the servicing unit.
Therefore the element of introducing holding force can be arranged in the coil outside, so in no case can hinder the freedom of motion of the element of coil the inside.
Description of drawings
The present invention will be described in more detail below in conjunction with accompanying drawing:
Fig. 1 is the positive cross-sectional schematic of trip gear of the present invention.
Fig. 2 is the trip gear that has an additional auxiliary armature according to Fig. 1.
Fig. 3 a, 3b have the trip gear that applies mechanical holding force element according to Fig. 1.
Fig. 4 is the front section view of a possible specified scheme of the present invention.
Fig. 5 is the front section view according to the possible scheme of trip gear another kind of the present invention.
Figure 6 shows that the scheme that has increased by two kinds of possible different circuit of trip gear according to Fig. 5.
Embodiment
Overcurrent release shown in Figure 1, for example the trip gear of disconnect has an armature 5, and it is by magnetic material, and for example iron is made.Armature 5 can directly be moved by coil 3.The electric current of flowing through coil 3 is actually monitored electric current, and may be disconnected.And the armature 1 of triping can control blocking mechanism 20, and this blocking mechanism 20 is opened the contact 21 that flows through monitored electric current.As shown in the figure, This move takes place by trip pin 2, and trip pin 2 constitutes one with the armature of triping, but selects as the another kind of this scheme, and it also can itself directly be realized by the armature 1 of triping.
If the unacceptable high overcurrent that must disconnect takes place, this device can be realized delay tripping.
Said tripping operation can be divided into two stages, will be described below.In first tripping operation stage of following the overcurrent of generation immediately, overcurrent produces a magnetic field that is proportional to said overcurrent through coil 3, and moves armature 5 to the direction of the armature 1 of triping.This moves through elastic coupling element 4 and passes to the armature 1 of triping, and the armature 1 of triping is acted on the holding force F above it
HControl temporarily remain on its resting position.Along with the continuation skew of armature 5, the stress that flexible member 4 is added in advance is increasing, and the power that the result acts on the armature 1 of triping increases.In this tripping operation stage, armature 5 and elastic coupling element are represented an oscillatory system that magnetic force encouraged that is produced by overcurrent.Armature 5 applies prestressing force to elastic coupling element and surpasses holding force F up to it
HAnd make the armature 1 of triping be offset the needed time to have produced a time delay, be the selectivity of trip gear according to the present invention from its resting position.
The power that produces when overcurrent surpasses holding force F
HSecond tripping operation stage of Shi Fasheng.At this moment, the armature 1 of triping moves suddenly, blocking mechanism 20 actions as a result.And along with the continuation of this process, the contact 21 of overcurrent protective device is opened.In this tripping operation stage, the quality of the armature 5 and the armature 1 of triping is joined together, and they represent an oscillatory system together with resetting spring 6.The same with the conventional magnetic circuit breaker that is made of coil and armature, this system's control is by the exciting force of the generation of making a concerted effort of electric current power one holding force power system.
Therefore, in a word, tripping operation is by directly being controlled armature starting by overcurrent, but since the result that armature 5 moves take place indirectly.Armature 5 can directly be moved and is connected with the armature 1 of triping with elastic coupling element 4 by coil 3.
The trip time delay mainly occurs in first tripping operation stage, and depends primarily on mechanical property and electric current power by the mobile oscillatory system of forming of the spring feature of the quality of armature, Connection Element 4 and armature.As known to, electric current power be proportional to electric current square, as a result armature 5 move equally also be proportional to electric current square, therefore postpone also to be proportional to electric current square.The time-delay mechanism of the electricity one heat operation that this and beginning are mentioned is just the same.
Though according to the present invention, with making the design of trip gear more complicated, as shown in Figure 2, can and trip at armature 5 is provided with an auxiliary armature 11 between the armature 1, also can be more than 1.These auxiliary armature 11 further mechanically interconnect by elastic coupling element 40.Armature 1 is similar with triping, holding force F
HResting position at them acts on above them.The machinery series connection of a plurality of armature causes their holding force F
HAddition has equally also increased the offset movement that armature 5 must be finished, and consequently time of delay is elongated.
Described holding force F
HCan produce by any way in principle.Fig. 3 a, 3b are depicted as the example that produces holding force with mechanical system.According to Fig. 3 a, holding force F
HBe the stiction that produces by element 8.Element 8 contacts with the armature 1 of triping, and the armature 1 of will triping is clipped among them.
According to the another kind of selection scheme of Fig. 3 b, holding force F
HBy the flexible member 9 that acts on the armature 1 of triping, for example the quick-action spring produces.This quick-action spring 9 designs spring in blocks, its two ends are clamped, and apply prestressing force in prevention armature 1 travel direction of triping.If the power that acts on above it is enough big, it will be towards the direction bending opposite with applying prestressing force, and the armature 1 of triping can be moved.
Be different from these mechanical systems and produce holding force F
HA kind of mode be the holding force that magnetic force produces, it is produced by at least one block of permanent magnet or the electromagnet that act on the armature 1 of triping.This example can be seen in Fig. 4,5,6.These figure represent can practical application different designs of the present invention.
In this case, coil 3 is arranged on the non magnetic winding skeleton 10, and the part in addition of armature 5 is disposed in the inside of coil 3.In addition, a support 23 of being made by magnetic material is set, and its major part has an annex 24 in the outside of coil 3, stretch into the coil 3 from the end near the coil 3 of blocking mechanism, support 23, armature 5, working gas gap a and a shelf attachment 24 are passed in the magnetic field that coil current produces.
This structure is equivalent to the normal design of the routine of magnetic circuit breaker.The armature 1 of triping also is arranged in the inside of coil 3.For this purpose, the armature 1 of triping must be made with for example nonmagnetic substance such as aluminium or plastics, in order that it can not move because of the magnetic force that coil 3 produces.
The armature 1 of triping has a trip pin 2, and it stretches out outside the coil 3, and is similar to mode shown in Figure 1, can be moved back into its resting position by resetting spring 6.
In order holding force to be acted on trip on the armature 1, the armature 1 of triping has a servicing unit 12, and it stretches out from armature 5, and is preferably parallel with the longitudinal axis of coil 3.This servicing unit 12 has the part that can freely enter, so power can act on it.
Servicing unit 12 is not to be absolutely necessary, and just in order to realize purpose of the present invention, makes holding force F
HCan act directly on the armature 1 of triping.Yet do like this, should be arranged in the inside of coil 3 for the required element of this purpose.For these elements must be provided with otch on armature 5, in order not influence the one-movement-freedom-degree of armature 5.
As already mentioned, holding force F in this embodiment
HProduce with magnetic device, particularly produce with permanent magnet 13.For this reason, armature 26 is fixed on the upper end of servicing unit 12.Armature 26 constitutes the magnetic circuit in the magnetic field that permanent magnet 13 produces with yoke 25 and permanent magnet 13.According to Fig. 4, yoke 25 is simultaneously as mechanically retraining permanent magnet 13.The holding force that this device produces between armature 26 and yoke 25 makes the armature 1 of triping remain on illustrated resting position.
In the said magnetic circuit that is constituted by armature 26, yoke 25 and permanent magnet 13, between armature 26 and yoke 25, air gap 27 is arranged, between permanent magnet 13 and the armature 26 air gap 28 is arranged, the size that changes air gap 27,28 can change the size of the holding force that is produced.With the length at the non magnetic liner of different-thickness between the height of for example selecting permanent magnet 13, yoke 25 and the armature 26, change yoke edge or other similar measures etc. the size of air-gap is changed.
If the generation short circuit current, the magnetic field intensity that operates among the air gap a between an armature 5 and the shelf attachment 24 will increase, and therefore the attraction that acts between armature 5 and the annex 24 also increases, its result, and armature 5 moves towards the direction of annex 24.Armature 1 is still static because trip, and armature 5 and the distance of triping between the armature just are reduced now, and spring 4 is compressed, in case pass to the holding force F of the power of the armature 1 of triping above permanent magnet 13 by spring 4
HThe time, the armature 1 of triping also is moved, and the result who moves disconnects by blocking mechanism 20.
Size apart from a, b, c and d is crucial to the described device of true(-)running.Particularly armature 5 and trip between the armature 1 apart from d must less than between armature 5 and the annex 24 apart from a, guaranteeing like this can be mobile apart from the end at armature 5, it impinges upon on the shelf attachment 24, the armature 1 operation locking mechanism 20 of triping.In addition, in the process that the armature 1 of triping moves, armature 26 necessarily can not collide winding skeleton 10 and therefore the armature 1 of triping be stopped, and this is to realize greater than distance b by distance C.
In a word, represent apart from the available following expression of the relation between a, b, c and the d: a＞b and a＞d and c＜b.
Major part and Fig. 4 according to the special most preferred embodiment of Fig. 5 are suitable.But in this case, permanent magnet 13 is formed electromagnet by winding 15 and yoke 25 and is replaced.As mentioned above, being provided with one links to each other with servicing unit 12 and constitutes the armature 26 of magnetic circuit with yoke 25.The element 14 that a separation is set is in order mechanically to retrain electromagnet.The size of distance depends on described those factors when describing Fig. 4.Say holding force F once again
HVariation can realize with the width of regulating air gap 27,28.In this case, air gap 27 is not set preferably, that is to say that armature 26 is placed on the yoke 25, and the part 25 ' of design yoke 25, the y direction along winding 15 is transportable in the inside of winding 15 for it.Holding force F
HTherefore can regulate with mechanical device.
Except useful mechanical system changes holding force F
HAbility outside, also can change holding force F with the electric current that winding 15 is flow through in change
HYet change holding force F
HThis ability do not limit the generation of magnetic force at all.Element 8 shown in Fig. 3 a also can move the pressure that consequently can change the armature 1 of triping, and therefore changes holding force F
H
If the variation of holding force is the function of monitored electric current, this is with advantageous particularly, and according to the design of Fig. 5, this is easy to realize.The electric current of winding 15 of flowing through is proportional to monitored electric current.
In order to make circuit simple as far as possible, said proportionality is the easiest realization with the overcurrent itself that flows through electromagnet winding 15.For this reason, pitch of the laps 3 and winding 15 are connected mutually, shown in the solid line 16,17 of Fig. 6; For same purpose, coil 3 and winding 15 also can be parallel with one another, see dotted line 18,19.In this case, series impedance can be connected in the circuit of winding 15, to regulate the holding force that produces.
Do although it is so and will complexity be increased, but very rational to the objective of the invention is, add an electric current that does not have direct current to be connected with monitored electric current promptly for winding 15, and if necessary, control circuit through suitable makes the variation of this electric current and monitored electric current proportional.
According to the best application places of trip gear of the present invention is to be used in the circuit breaker, but this does not hinder it to be used in the equipment of other opens overcurrent.
Claims (18)
1. the trip gear of overcurrent release, comprise the armature of triping (1) control one blocking mechanism (20) and that controlled by a coil (3), monitored electric current flows through coil (3), wherein triping armature (1) can be by armature (5) control indirectly, armature (5) is directly moved by coil (3), and be connected with the armature of triping (1) with at least one elastic coupling element (4), and have one or more auxiliary armature (11), and the armature of triping (1) is by the holding force (F that can preset
H) remain on its resting position, it is characterized in that the power that produces when overcurrent surpasses holding force (F
H) time, the armature of triping (1) moves suddenly, blocking mechanism action as a result.
2. according to the trip gear of claim 1, it is characterized in that described overcurrent release is a disconnect.
3. according to the trip gear of claim 1, it is characterized in that holding force (F
H) be a power that produces by mechanical device.
4. according to the trip gear of claim 3, it is characterized in that holding force (F
H) be a stiction, it can be by producing with the contacted element of the armature of triping (1) (8).
5. according to the trip gear of claim 3, it is characterized in that holding force (F
H) can be used as the flexible member (9) that is used on the armature of triping (1) and produce.
6. according to the trip gear of claim 5, it is characterized in that described flexible member is the quick-action spring.
7. according to the trip gear of claim 1, it is characterized in that holding force (F
H) be one by at least one permanent magnet or the electromagnet (13 that act on the armature of triping (1); 14; 15) magnetic force of Chan Shenging.
8. according to the trip gear of arbitrary claim in the claim 1 to 7, it is characterized in that acting on the holding force (F that trips on the armature (1)
H) be variable.
9. trip gear according to Claim 8 is characterized in that holding force (F
H) variation be the function of monitored electric current.
10. according to the trip gear of claim 9, it is characterized in that holding force (F
H) can produce by an electromagnet, an electric current that is proportional to monitored electric current flows through this electromagnet.
11., it is characterized in that at least one elastic coupling element (4) is made of helical spring according to the trip gear of arbitrary claim in the claim 1 to 7.
12., it is characterized in that the part of armature (5) at least is arranged on the inside of coil (3) according to the trip gear of arbitrary claim in the claim 1 to 7.
13. according to the trip gear of claim 12, the armature (1) that it is characterized in that triping also is arranged on the inside of coil, the armature of triping (1) is made of nonmagnetic substance.
14. according to the trip gear of claim 13, it is characterized in that armature (5) is designed to the pipe of one one end sealing, and the armature of triping (1) and at least one elastic coupling element (4) are at least partially disposed in the cavity by armature (5) formation.
15. according to the trip gear of claim 12, the armature (1) that it is characterized in that triping has servicing unit (12), it passes armature (5), and preferably parallel with the longitudinal axis of coil (3), holding force (F
H) act on the servicing unit (12).
16. according to the trip gear of claim 13, the armature (1) that it is characterized in that triping has servicing unit (12), it passes armature (5), and preferably parallel with the longitudinal axis of coil (3), holding force (F
H) act on the servicing unit (12).
17. according to the trip gear of claim 14, the armature (1) that it is characterized in that triping has servicing unit (12), it passes armature (5), and preferably parallel with the longitudinal axis of coil (3), holding force (F
H) act on the servicing unit (12).
18. the purposes of the trip gear of the arbitrary claim in requiring according to aforesaid right is as the short circuit current trip gear of disconnect.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1050A/96 | 1996-06-14 | ||
| AT0105096A AT405113B (en) | 1996-06-14 | 1996-06-14 | TRIP DEVICE FOR AN OVERCURRENT SWITCHING DEVICE |
| AT1050A/1996 | 1996-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1169583A CN1169583A (en) | 1998-01-07 |
| CN1163930C true CN1163930C (en) | 2004-08-25 |
Family
ID=3505507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971132631A Expired - Fee Related CN1163930C (en) | 1996-06-14 | 1997-06-13 | Tripping device for overcurrent breaker |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0813218B1 (en) |
| CN (1) | CN1163930C (en) |
| AR (1) | AR007579A1 (en) |
| AT (2) | AT405113B (en) |
| AU (1) | AU714838B2 (en) |
| DE (1) | DE59712329D1 (en) |
| ES (1) | ES2112237T3 (en) |
| GR (1) | GR980300005T1 (en) |
| HK (1) | HK1003401A1 (en) |
| IN (1) | IN191123B (en) |
| SG (1) | SG75118A1 (en) |
| TN (1) | TNSN97104A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845476B4 (en) * | 1998-10-02 | 2004-08-12 | Aeg Niederspannungstechnik Gmbh & Co Kg | Magnetic system for miniature circuit breakers |
| KR100876412B1 (en) * | 2007-07-12 | 2008-12-31 | 엘에스산전 주식회사 | Time delay output apparatus for circuit breaker |
| DE102008030822A1 (en) * | 2008-06-30 | 2010-01-07 | Robert Seuffer Gmbh & Co. Kg | Switching device with triggering device |
| DE102010041728B4 (en) * | 2010-09-30 | 2014-08-21 | Siemens Aktiengesellschaft | Magneto-mechanical actuator, switching arrangement and method for operating a magneto-mechanical actuator |
| US8729984B2 (en) * | 2011-06-06 | 2014-05-20 | Rockwell Automation Technologies, Inc. | Magnetic actuator with more than one air gap in series |
| DE102015214966A1 (en) * | 2015-08-05 | 2017-02-09 | Ellenberger & Poensgen Gmbh | breaker |
| CN105513916B (en) * | 2016-01-21 | 2018-06-29 | 首瑞（天津）电气设备有限公司 | Deferred action mechanism and breaker in breaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189617A (en) * | 1921-10-21 | 1922-12-07 | Electric Construction Co | Overload trip retarding or delaying device for electric circuit breakers or automatic switches |
| DE438518C (en) * | 1925-12-01 | 1926-12-16 | Aeg | Time relays, especially for overcurrent relays |
| GB522303A (en) * | 1939-06-08 | 1940-06-14 | Gordon Spencer Marston | Improvements in or relating to tripping devices for electric circuit breakers and switches |
| DE2348613C2 (en) * | 1973-09-27 | 1975-11-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit breakers, especially circuit breakers |
| DE2951900A1 (en) * | 1979-12-21 | 1981-07-02 | Brown, Boveri & Cie Ag, 6800 Mannheim | Overload cut=out for switch - has yoke carrying tubular or strip shaped armature support inside coil above permanent magnet |
| DE9115607U1 (en) * | 1991-12-17 | 1992-02-13 | ABB Patent GmbH, 6800 Mannheim | Circuit breaker |
-
1996
- 1996-06-14 AT AT0105096A patent/AT405113B/en not_active IP Right Cessation
-
1997
- 1997-05-10 TN TNTNSN97104A patent/TNSN97104A1/en unknown
- 1997-05-30 AT AT97890097T patent/ATE297052T1/en active
- 1997-05-30 ES ES97890097T patent/ES2112237T3/en not_active Expired - Lifetime
- 1997-05-30 EP EP97890097A patent/EP0813218B1/en not_active Expired - Lifetime
- 1997-05-30 DE DE59712329T patent/DE59712329D1/en not_active Expired - Lifetime
- 1997-05-30 AU AU23731/97A patent/AU714838B2/en not_active Ceased
- 1997-06-03 SG SG1997001900A patent/SG75118A1/en unknown
- 1997-06-05 IN IN1046CA1997 patent/IN191123B/en unknown
- 1997-06-13 CN CNB971132631A patent/CN1163930C/en not_active Expired - Fee Related
- 1997-06-13 AR ARP970102590A patent/AR007579A1/en active IP Right Grant
-
1998
- 1998-02-27 GR GR980300005T patent/GR980300005T1/en unknown
- 1998-03-24 HK HK98102474A patent/HK1003401A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TNSN97104A1 (en) | 1999-12-31 |
| HK1003401A1 (en) | 1998-10-30 |
| CN1169583A (en) | 1998-01-07 |
| AU2373197A (en) | 1997-12-18 |
| AT405113B (en) | 1999-05-25 |
| ES2112237T3 (en) | 2005-10-16 |
| ATA105096A (en) | 1998-09-15 |
| AU714838B2 (en) | 2000-01-13 |
| EP0813218B1 (en) | 2005-06-01 |
| ATE297052T1 (en) | 2005-06-15 |
| EP0813218A2 (en) | 1997-12-17 |
| SG75118A1 (en) | 2000-09-19 |
| AR007579A1 (en) | 1999-11-10 |
| IN191123B (en) | 2003-09-27 |
| ES2112237T1 (en) | 1998-04-01 |
| GR980300005T1 (en) | 1998-02-27 |
| EP0813218A3 (en) | 1998-06-17 |
| DE59712329D1 (en) | 2005-07-07 |
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