CN100511551C - Protective switch device comprising a differential current triggering device - Google Patents
Protective switch device comprising a differential current triggering device Download PDFInfo
- Publication number
- CN100511551C CN100511551C CNB2004800408123A CN200480040812A CN100511551C CN 100511551 C CN100511551 C CN 100511551C CN B2004800408123 A CNB2004800408123 A CN B2004800408123A CN 200480040812 A CN200480040812 A CN 200480040812A CN 100511551 C CN100511551 C CN 100511551C
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- CN
- China
- Prior art keywords
- protection switch
- differential current
- trip gear
- switch device
- driving lever
- 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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- 230000001681 protective effect Effects 0.000 title 1
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 2
- 240000007643 Phytolacca americana Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Images
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
- H01H71/24—Electromagnetic mechanisms
- H01H71/2463—Electromagnetic mechanisms with plunger type armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
- H01H2089/005—Multi-purpose combinations, e.g. LS/DI, LS/FI, of normal protective circuit breakers with known other forms of protection, e.g. earthfaults, differential, unbalance
-
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The aim of the invention is to integrate a differential current triggering device (8) into a line protection switch (11) while maintaining the line protection switch components (1 - 6). As a result, the differential current triggering device (8) is coupled to a bar (4) in order to actuate a trigger lever (5). The same bar (4) is used to couple a thermal triggering element (2) to the trigger lever (5).
Description
The present invention relates to a kind of protection switch device; it comprises the release lever that a master cock mechanism uses; what overcurrent release was used acts on thermal release device on this release lever by a poke rod; and the differential current trip gear that can handle described release lever equally; wherein, described differential current trip gear engages with described driving lever spare for handling described release lever.This kind protection switch device is open by FR-A-1 317 059.
LS/DI protection switch device is a composite set, wherein an integrated differential current trip gear (DI) in line protection switch (LS).This composite set can be installed in normal width for example in the single lattice unit of 18mm.
The trip gear of LS/DI protection switch device must guarantee three different dropout processes:
1. thread off for the magnetic of high surge currents and short circuit current,
2. when overcurrent, for example thread off by bimetallic heat, and
3. differential current is threaded off.
Therefore, LS/DI protection switch device has three different trip gears.Each this trip gear acts on the release lever, handles a switching mechanism by this release lever.The LS/DI protection switch device of known for example MerlinGerin or Hager company so designs; promptly; the differential current trip gear of an additionally integrated magnetic in having the line protection switch of ordinary construction, the latter acts on the release lever by the push rod of a length of guiding in the enclosure.F﹠amp; G company then adopts another kind of scheme, by this scheme, combines coaxially at the magnetic trip gear of high surge currents and short circuit current and the differential current trip gear of a magnetic.Yet these two kinds of schemes implement cost all than higher.
FR-A-1317059 discloses a kind of protection switch device, not only had been provided with one and is used for the thermal release device that overcurrent disconnects but also is provided with a differential current trip gear in this device.These two trip gears on same rod member, and disconnect contact by a release lever at the double side acting that is oppositely arranged under the dropout situation.
DE9207762U1 discloses a kind of protection switch device that is subjected to bimetallic control, and wherein, a bimetallic acts on the switch lock by a slide block under overcurrent.This slide block is have a slit tabular, is rabbeting a bimetallic element in this slit.
The objective of the invention is to a kind of line protection switch that has the differential current trip gear in being combined in of suggestion; wherein; corresponding to the line protection switch member of a simple line protection switch, combine with alap expense and differential current trip gear.
Reach by a protection switch device as claimed in claim 1 by this purpose of the present invention.
Thus, described driving lever spare can be configured as pectination, thereby can realize the mechanical engagement of a plurality of members.Particularly advantageous is that this pectination driving lever spare has three teeth, and wherein, first tooth is as the stop position of thermal release device, and second tooth is as the stop position of differential current trip gear, and the 3rd tooth is used to be engaged in the release lever.Therefore, a normally used Standard arch wire spare need only replenish a tooth by suitable spacing as driving lever spare.
By a kind of favourable mode, by protection switch device of the present invention can lattice unit sizes is for example arranged be to arrange two magnetic trip gears and an extention easily in the shell of 18mm single.Especially, can realize the housing designs that extends by protection switch device of the present invention, as on the English market in order to save the locus using in the family expenses power distribution equipment.Here, member original layout in the line protection switch part can remain unchanged, and also can keep the dropout principle that magnetic is threaded off and heat is threaded off equally.
Preferably, a magnetic trip gear of dropout usefulness when also being included in short circuit current by protection switch device of the present invention, the latter acts on the release lever by a push rod.Therefore, whole tripping mechanisms, as top illustrated, can in this protection switch device, realize by the present invention.
Thermal release device can comprise a bimetal leaf as trigger element.Therefore, simply mode realizes a kind of tripping mechanism of overcurrent.
Advantageously, the push rod that described differential current trip gear has a magnetic to promote, the latter engages with driving lever spare by a fastener.Just can use a single driving lever spare for two trip gears by this fastener.
Advantageously, described fastener has a groove, and described driving lever spare is guided in this groove when heat is threaded off.Can remove additional guiding device from thus.
In addition, fastener can be made or at least one insulating segment is arranged with insulating material, makes differential current trip gear and driving lever spare electric insulation thus.Thus, fastener can also be born insulation function except that engagement function and guidance function.The described this multi-functional characteristic of binding element helps to reduce part.
Describe the present invention in detail by accompanying drawing below, wherein:
Fig. 1 represents by representing the trip gear layout by the cross section of protection switch device of the present invention;
Fig. 2 perspective representation differential current trip gear;
The differential current trip gear push rod perspective view of Fig. 3 presentation graphs 2;
The perspective view of fastener in Fig. 4 presentation graphs 2;
Fig. 5 represents to see from another line of vision the perspective view of fastener Fig. 2; And
The perspective view of driving lever spare or camber member in Fig. 6 presentation graphs 2.
The embodiment that describes in detail below represents a kind of preferred form of implementation of the present invention.
Press the form of implementation of Fig. 1, existing line protection switch mechanism is supplemented with one and additional is used for the trip gear that differential current is threaded off.Here, all tripping function is all realized by the mechanism on a release lever, and the switching mechanism that this release lever is corresponding with connects.
The layout of each member of a LS/DI protection switch device 11 as seen from Figure 1.Stipulated magnetic trip gear 1 and be used for bimetal leaf 2 that heat threads off with and location and the design of going up the release lever 5 of two trip gears 1 of effect and 2.Described magnetic trip gear 1 acts on the release lever 5 of switching mechanism by a driving lever spare 4 that is designed to camber member by its push rod 3 and described bimetal leaf 2.The working motion 7 that is caused by trip gear 1 or 2 by release lever 5 discharges a ratchet 6, and the contact of described line protection switch device is separated.
Now, for differential current dropout another magnetic trip gear of combination in described protection switch device 11, that is differential current trip gear 8.This differential current trip gear 8 and push rod 10 thereof are connected with described release lever 5 by a fastener 9 and by described camber member 4.
Fig. 2 is used for the required element of differential current dropout with perspective representation and is in assembled state.These elements are differential current trip gear 8, fastener 9, camber member 4 and the release levers 5 that comprise push rod 10.
Described fastener 9 is made up of a latchable working of plastics that maybe can be plugged on the push rod of representing in detail among Fig. 3 10.Fastener 9 satisfies following three functions:
1. guide described dropout arch bar 4 when threading off (heat is threaded off) at bimetallic,
2. when threading off, magnetic drives described arch bar 4 by described differential current trip gear 8, and
3. metal pushrod 10 is with respect to current-carrying part (for example bimetal leaf 2) insulation, to observe leakage distance and the air-gap that requires.
In order to satisfy these functions, described fastener 9 designs have a guide groove 91, as the different view of the fastener that can see in the Figure 4 and 59 is represented.Press Fig. 2, the pectination driving lever spare 4 of expression is hooked in this groove 91 in detail in Fig. 6.Driving lever spare 4 has the first backstop position 41 to be used for the bimetallic dropout and the second backstop position 42 is used for the differential current dropout.Another tooth 43 of stop dog position 41,42 usefulness of dentation replenishes, and is engaged in the groove 51 of release lever 5 by the described driving lever spare 4 of the latter.Must be able to implement the required displacement of bimetallic dropout in described dropout with the distance between the backstop position 41 and 42 of camber member 4.
For the fixed engagement part, the anchor pole of differential current trip gear 8 or push rod 10 have a cannelure 11.This groove 11 can be accepted the wall 93 that fastener 9 faces push rod 10, drives fastener 9 thus under the situation of threading off.Fastener 9 opposed walls 92 are used to make the anchor pole of metal or push rod 10 with respect to adjacent conductive part electric insulation.
The mouth that is used for annular groove 11 in described fastener 9 walls 93 can be designed as, and allows fastener 9 to insert easily, and then, fastener 9 moves from the top down by an one shell strut rail and is fixed.The another kind of possibility that fastener 9 is fixed on the push rod 10 is, these two members are fastened togather mutually.For this reason, be designed to internal diameter at the lower region of wall 93 internal orifices less than annular groove 11.
Advantageously, by by the layout of differential current trip gear 8 of the present invention and the design of poke rod 4 and fastener 9, allow in the line protection switch part, to keep the existing dropout position and the motion of threading off.Reservation by these members and the motion of threading off can realize a kind of technical solution with low cost.In addition, avoid the additional change of member thus.Also have, the differential current trip gear is that fastener 9 engages by a unique add-on parts only, and the dropout principle of differential current trip gear can be magnetic means by traditional mode.In addition, by being that pick-and-place components can be simplified assembling with each member designs.At last, illustrated form of implementation has an advantage,, need only drive very little quality in the dropout process that is.
Claims (7)
1. protection switch device, it comprises
The release lever (5) that-manipulation one switching mechanism is used,
-one thermal release device (2) that is used for overcurrent release, it acts on the described release lever (5) by a driving lever spare (4), and
-one the differential current trip gear (8) that can handle described release lever (5) equally, described differential current trip gear (8) is bonded on the driving lever spare (4) for handling described release lever (5),
It is characterized by:
Described driving lever spare (4) is designed to pectination.
2. according to the described protection switch device of claim 1, wherein, this protection switch device has the magnetic trip gear (1) of a dropout usefulness when short circuit current, and this magnetic trip gear (1) acts on the described release lever (5) by its push rod (3).
3. according to the described protection switch device of claim 1, wherein, described thermal release device (2) comprises a bimetal leaf as trigger element.
4. according to the described protection switch device of one of claim 1 to 3, wherein, the push rod (10) that described differential current trip gear (8) has a magnetic to promote, this push rod (10) pass through a fastener (9) and engage with described driving lever spare (4).
5. according to the described protection switch device of claim 4, wherein, described fastener (9) has a groove (91), and described driving lever spare (4) is guided in this groove when heat is threaded off.
6. according to the described protection switch device of claim 4, wherein, described fastener (9) is made with insulating material or is had at least one insulating segment, makes push rod (10) and described driving lever spare (4) electric insulation of described differential current trip gear (8) thus.
7. according to claim 1 or 2 described protection switch devices; wherein; described driving lever spare (4) has three teeth (41,42,43); wherein; first tooth (41) is as the stop position of described thermal release device (2); second tooth (42) is as the stop position of described differential current trip gear (8), and the 3rd tooth (43) is used to be engaged in the described release lever (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200410004840 DE102004004840B4 (en) | 2004-01-30 | 2004-01-30 | Protection switching device with residual current release |
| DE102004004840.1 | 2004-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1906723A CN1906723A (en) | 2007-01-31 |
| CN100511551C true CN100511551C (en) | 2009-07-08 |
Family
ID=34801343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800408123A Expired - Fee Related CN100511551C (en) | 2004-01-30 | 2004-12-17 | Protective switch device comprising a differential current triggering device |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1709661B1 (en) |
| CN (1) | CN100511551C (en) |
| DE (2) | DE102004004840B4 (en) |
| WO (1) | WO2005073997A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701108A (en) * | 2015-03-26 | 2015-06-10 | 杭州泰姆电气有限公司 | Residual-current circuit breaker and releasing mechanism therefore |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20072278A1 (en) * | 2007-12-04 | 2009-06-05 | Abb Spa | AUTOMATIC SWITCH FOR LOW VOLTAGE APPLICATIONS. |
| ITMI20080329U1 (en) * | 2008-10-10 | 2010-04-11 | Abb Spa | AUTOMATIC BIPOLAR SWITCH FOR LOW VOLTAGE APPLICATIONS |
| RU2541517C2 (en) * | 2013-06-07 | 2015-02-20 | Общество с ограниченной ответственностью "ИЭК ХОЛДИНГ" | Automatic circuit breaker |
| CN104134589B (en) * | 2014-07-17 | 2016-01-20 | 正泰集团股份有限公司 | A kind of low-voltage circuit breaker with residual current trip gear |
| RU2684762C2 (en) * | 2015-12-01 | 2019-04-12 | Лун Мэнь Текнолоджи Ко., Лтд. | System of interruption of chain for chains of high and superhigh voltage |
| RU178955U1 (en) * | 2018-01-18 | 2018-04-24 | Кучеров Дмитрий Андреевич | DIFFERENTIAL CURRENT CIRCUIT BREAKER |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1317059A (en) * | 1962-03-08 | 1963-02-01 | Busch Jaeger Duerener Metall | Installation circuit breaker |
| US3116388A (en) * | 1960-12-20 | 1963-12-31 | Gen Electric | Circuit breaker trip assembly |
| US3539867A (en) * | 1968-08-26 | 1970-11-10 | Federal Pacific Electric Co | Ground-fault protection systems |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL32695C (en) * | 1930-04-01 | |||
| FR2616584B1 (en) * | 1987-06-11 | 1989-09-29 | Hager Electro | CIRCUIT BREAKER ASSEMBLY FOR CIRCUIT BREAKER OR DIFFERENTIAL CIRCUIT BREAKER |
| FR2626104B1 (en) * | 1988-01-20 | 1995-05-24 | Hager Electro | IMPROVEMENTS ON AUTOMATIC SWITCHES, ESPECIALLY DIFFERENTIAL SWITCHES AND CIRCUIT BREAKERS |
| DE9207762U1 (en) * | 1992-06-09 | 1993-10-07 | Ellenberger & Poensgen GmbH, 90518 Altdorf | Bimetal controlled circuit breaker |
| US5446431A (en) * | 1994-04-28 | 1995-08-29 | Square D Company | Ground fault module conductors and base therefor |
| JP2872950B2 (en) * | 1995-11-01 | 1999-03-24 | 日東工業株式会社 | Earth leakage breaker |
| FR2779568B1 (en) * | 1998-06-04 | 2000-07-13 | Schneider Electric Ind Sa | ELECTRICAL CUT-OFF DEVICE INCLUDING A DIFFERENTIAL TRIP DEVICE AND CIRCUIT BREAKER INCLUDING SUCH A DEVICE |
-
2004
- 2004-01-30 DE DE200410004840 patent/DE102004004840B4/en not_active Expired - Fee Related
- 2004-12-17 CN CNB2004800408123A patent/CN100511551C/en not_active Expired - Fee Related
- 2004-12-17 WO PCT/EP2004/053561 patent/WO2005073997A1/en not_active Application Discontinuation
- 2004-12-17 EP EP04804905A patent/EP1709661B1/en not_active Expired - Fee Related
- 2004-12-17 DE DE502004011191T patent/DE502004011191D1/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116388A (en) * | 1960-12-20 | 1963-12-31 | Gen Electric | Circuit breaker trip assembly |
| FR1317059A (en) * | 1962-03-08 | 1963-02-01 | Busch Jaeger Duerener Metall | Installation circuit breaker |
| US3539867A (en) * | 1968-08-26 | 1970-11-10 | Federal Pacific Electric Co | Ground-fault protection systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701108A (en) * | 2015-03-26 | 2015-06-10 | 杭州泰姆电气有限公司 | Residual-current circuit breaker and releasing mechanism therefore |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502004011191D1 (en) | 2010-07-01 |
| DE102004004840A1 (en) | 2005-08-18 |
| WO2005073997A1 (en) | 2005-08-11 |
| EP1709661B1 (en) | 2010-05-19 |
| EP1709661A1 (en) | 2006-10-11 |
| CN1906723A (en) | 2007-01-31 |
| DE102004004840B4 (en) | 2006-05-11 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20090708 Termination date: 20141217 |
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