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CN101536132B - Protection unit - Google Patents

Protection unit Download PDF

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Publication number
CN101536132B
CN101536132B CN2007800346506A CN200780034650A CN101536132B CN 101536132 B CN101536132 B CN 101536132B CN 2007800346506 A CN2007800346506 A CN 2007800346506A CN 200780034650 A CN200780034650 A CN 200780034650A CN 101536132 B CN101536132 B CN 101536132B
Authority
CN
China
Prior art keywords
circuit breaker
differential stage
bar
relay
protection module
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
Application number
CN2007800346506A
Other languages
Chinese (zh)
Other versions
CN101536132A (en
Inventor
丹尼斯·德克特
马蒂厄·德库姆琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hager Electro SAS filed Critical Hager Electro SAS
Publication of CN101536132A publication Critical patent/CN101536132A/en
Application granted granted Critical
Publication of CN101536132B publication Critical patent/CN101536132B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections
    • H01H71/082Connections between juxtaposed circuit breakers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20Protective 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
    • H01H83/22Protective 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
    • H01H83/226Protective 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 with differential transformer

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Protection Of Transformers (AREA)

Abstract

A protection unit comprising a differential stage (1) with a relay trip (3) and at least two independent circuit breakers (2) protecting the respective circuits, each circuit breaker (2) having its own magnetocaloric trip element and a locking portion for unlocking the differential stage (1) upon command therefrom. The input connection terminals (10, 11) of the protection unit are connected to the differential stage. The protection unit comprises an output connection terminal (12, 12 '; 13, 13 '; 14, 14 '; 15, 15 ', 16 ') for each circuit breaker. The circuit breakers are each provided with a trip mechanism (20) connected to the trip device of the differential stage and/or to the trip mechanism of at least one adjacent circuit breaker. The trip mechanism can simultaneously apply a trip action on the locking portions of the circuit breaker in response to a pulse or command from the differential stage trip.

Description

Protected location
Technical field
The present invention relates to a kind of protection module, comprise being provided with the independently differential stage of circuit breaker (differential stage) of relay Disjoncteur (relay tripper) and at least two, be used to protect various circuit.Design of the present invention is to give various electric functions are integrated in the single type assembly, is mainly used in the reduction manufacturing cost.
Background technology
The basic design relevant with a plurality of circuit breaker with differential stage comes from such fact: in many cases, these products are arranged side by side on rail bar and link together via bridge joint rod or the distribution through customization in distribution box.Thus, according to the circuit structure of many widespread adoption, be placed in the head place of a plurality of circuit breakers, the assembly itself that for example is positioned at the main switch downstream is connected to the circuit breaker of deriving to differential switch---for example the double-pole switch in phase place/neutral arrangement situation---.
Therefore, be aspect aforementioned the reducing cost the principle highly significant that they connect each other in same housing.This for example can realize at employed amount of plastic, the aspects such as splicing ear quantity that provide according to applied structure.
From same viewpoint,,, can omit the switch in the differential stage through between the sticking department that obviously is provided at relay and circuit breaker mechanical connection being provided through this combination.This connection for example has been present in some multipole differential module (differential block), between the sticking department of differential tripping relay and circuit breaker, has mechanical linkage, and it is in series worked.
Result and at any time, circuit breaker all has same working method mainly is because can not in their sticking department, there be disengaging.As a result, for example can not let other work one by one in them, even even its separate with differential switch through one or more circuit breakers.
Suppose to have differential module, all further the resetting of circuit-breaker at synchronization, this makes that any operation that is used to select one or more circuit breakers and has got rid of other all is impossible.With this hypothesis, so do not have independence in the circuit breaker, also the function of uniqueness of no use is come the possibility of protective circuit.
Summary of the invention
Among the present invention, for provide in the manufacturing benefit and with some mutualization of function or combination should be conversely the customization operations of circuit breaker through guaranteeing to be connected to differential stage at the same time realize.
For this purpose, protection module main feature of the present invention is;
The input splicing ear of-protection module is connected to differential stage;
-protection module comprises the output splicing ear that is used for each circuit breaker;
Each is provided with tripping mechanism-circuit breaker, and this mechanism is connected to the Disjoncteur of differential stage and/or is connected to the tripping mechanism of at least one adjacent circuit breaker;
-tripping mechanism can be according on the sticking department of circuit breaker, side by side applying the tripping operation action from the pulse (pulse) of the Disjoncteur of differential stage or order.
Being different from serial operation---it is described tripping mechanism parallel work-flow of the present invention about differential module.The displacement of said mechanism is controlled through the motion of the tripping relay of differential stage, and the sticking department position of not considering circuit breaker how.
According to a kind of possibility, this tripping mechanism is the bar that is positioned in each circuit breaker, and one end thereof is the displacement along a path when differential stage trips, thereby allows this end to contact with sticking department, so that with its release.
As stated, this bar distinguishes with actual sticking department, and only comprises and tripping relay and/or similar bar or the mechanical connection portion that is connected with two identical bars of the circuit breaker that is positioned at either side.In other words, it is positioned at and makes its place to the sticking department position sensing of circuit breaker.Therefore each moving lever all comprises the device of a bar that is used for being connected to differential stage or being connected to adjacent circuit breaker at least.
In order during the differential stage tripping operation, to provide circuit simultaneously to break off, what be necessary is that these jockeys are provided at the firm connection between all bars and the said relay.
According to a kind of possibility, said jockey comprises distance piece, and the connection that its each end is provided to differential stage connects or arrive the connection of the bar of adjacent circuit breaker.
Each distance piece therefore be connected between two adjacent bars or should differential stage and and next-door neighbour's circuit breaker between when connecting between connecting rod and the differential stage.
Alternatively, these jockeys can comprise the single axle of the bar of the bar that connects circuit breaker and differential trip circuit.This technical scheme is specially adapted to the single type housing when being used for protection module of the present invention, and this housing includes differential stage and circuit breaker.
Plastic material---this becomes possibility through the single housing that use is used for switch and circuit breaker except saving, and this structure has the input terminal of permission circuit breaker with simply being electrically connected the advantage of replacing, and at present, they all can not be from the external reference of housing.Between the output of differential switch and the circuit breaker to be electrically connected the user be opaque.
Protection module also can comprise housing, differential component and at least two circuit breakers that are arranged side by side---it connects through the distance piece that forms the mechanical connection between the different device.
According to preferred solution, the rotatable motion of this bar, for example near another place, end it is positioned at the control handle of circuit breaker links, and comprises the zone that is used to contact sticking department at place, an end.
The Disjoncteur of differential stage can comprise electromagnetic relay assembly, and this relay assembly is related with the tripping operation sticking department, and the independent operation of modular power source voltage is provided.
Alternatively, said Disjoncteur can comprise the relay with transmitting coil, and the operation of depending on modular power source voltage on the contrary is provided.
Both of these case is in fact corresponding to the differential apparatus that is called as electromechanical equipment and electronic equipment respectively.
Description of drawings
Referring to appended accompanying drawing, the present invention is described in more detail, wherein:
Fig. 1 has shown in the conventional equipment circuit diagram of the relevant differential switch of circuit breaker;
Fig. 2 has shown according to device circuit figure of the present invention;
Fig. 3 has schematically shown the embodiment according to protection module of the present invention;
Fig. 4 shown with the operating bar of conventional circuit breaker locking device contrast possibly insert situation and structure; With
Fig. 5 has shown the perspective view of arranging of this bar, has to be used for they distance pieces connected to one another.
Embodiment
Referring to Fig. 1; It is two-wire circuit that the conventional equipment circuit diagram is shown as in this case; Comprise differential stage (1), relay (3) and sticking department (5); This differential stage is positioned at the upper reaches of row's circuit breaker (2), this circuit breaker comprise mainly have through via the custom circuit (diagram) that has loop portions (torus) (6) thus break off the function that contact point cuts off circuit.As described, the relation of anterior differential switch (1) and a plurality of circuit breaker (2) is an electric circuit very common in distribution box, is fabricated to the modular unit that in standard trajectory, becomes registration.Differential switch (1) is usually located at one of them place, end of guide rail, and the circuit breaker of some (2) is arranged side by side with it.The maximum quantity of the circuit breaker (2) related with differential switch (1) is to be provided with by the principle of secundum legem.Thus, for example, the maximum quantity of the circuit breaker (2) related with differential switch (1) according to Hispanic standard, equals 5.
In distribution box, modular device is via bridge joint rod or through distribution be connected to each other (in two-wire circuit as shown in Figure 1, is used for phase place and another is used for neutral position).
Therefore the object of the invention is above-mentioned electric function to be combined (differential protection and to the protection of overload or short circuit); As shown in Figure 2; Through being retained in the use of switch in the differential stage (1), and through with relay (2) with the sticking department (5) of differential stage (1) being connected to circuit breaker (2)---according to possible example---.
And then, being electrically connected through said function being incorporated into simplify in the assembly, this assembly comprises single housing (4) (see figure 3).This housing (4) has been integrated differential protection assembly (1), and this assembly (1) comprises the measurement ring figure (6) that is connected to relay (3), and it can break off the sticking department of relative breaker (2) via mechanical connection portion (7) when differential fault takes place.
According to the present invention, said mechanical connection portion (7) does not prevent the customized management of circuit breaker (2).Therefore, break off when it provides the sticking department of circuit breaker, and can not disturb circuit breaker operation separately.
Fig. 3 has also shown the internal features of connecting portion (8,9), and this connecting portion allows phase place and neutral position to be connected respectively to the input of each circuit breaker (2) in the present invention.Only comprise two input splicing ears (10,11) according to the housing (4) of protection module of the present invention, be used for corresponding and the circuit breaker that is incorporated into housing (4) (2) quantity output splicing ear (12,12 '-16,16 ') become logarithm.In this case, five circuit breakers (2) are relevant with differential component (1), and therefore have ten outputs to connect connector (12,12 '-16,16 ').
In fact; When checking the structure of conventional circuit breaker; Bar of the present invention (20) (like what partly in Fig. 4, show) is completely different with it; This bar can (21) rotatablely move and locate to comprise protuberance in its other end (22) around the end, and this protuberance allows it on the tripping operation pawl of sticking department, to apply effect, this bar be positioned at circuit breaker control handle and said tripping operation pawl (tripping pawl) (17) between.This bar (2) does not disturb the concrete operation of circuit breaker, and each can be reset circuit breaker through the control handle (18) that is independent of other circuit breakers.For example the effect through the plexor member (23) on the Disjoncteur (17) does not influence said bar (20) through the circuit disconnection that electromagnetic machine (19) causes.
When the tripping operation of the relay (3) of differential stage (2), bar (20) is moved, and causes because the sticking department release that the displacement of the tripping operation pawl (17) that bring tripping operation pawl contact end (22) causes and motion contact site (24) and fixed contact (25) are separated.
The position of circuit breaker with respect to differential stage (1) do not depended in this operation.Thus, as shown in Figure 5, the bar (20) that is equipped with for each circuit breaker for example is connected to each circuit breaker via distance piece (26), and this distance piece transmits the motion to each circuit breaker, and this motion is initially beat (pulse) that is caused by relay.These distance pieces (26) are connected to different bar (20) securely to be used to transmit swing offset, and for example, they have the shape of parallelepiped sheet, and they can be inserted in the hole (27) with matched shape.This solution for example is applicable to the assembly that comprises the housing that is arranged side by side according to of the present invention.
Certainly, above-mentioned example can not be considered to restriction of the present invention.The replacement of shape and structure can be used.Thus, for example, suppose to have single housing, the use of distance piece (26) can replace with the single axle that is connected to all bars (20).

Claims (8)

1. protection module; Comprise differential stage (1); This differential stage (1) is provided with at least two individual circuit breakers (2) of relay Disjoncteur (3) and protection discrete circuit; Each circuit breaker (2) comprises its oneself magnetic thermal tripping parts and sticking department, and this sticking department allows it according to from the order of differential stage (1) and release
The input splicing ear of protection module (10,11) is connected to differential stage (1);
Protection module comprises the output splicing ear (12,12 ' that is used for each circuit breaker (2); 13,13 '; 14,14 '; 15,15 ', 16,16 ');
Each is provided with tripping mechanism (20) circuit breaker (2), and this tripping mechanism is connected to the relay Disjoncteur of differential stage (1) and/or is connected to the tripping mechanism (20) of at least one adjacent circuit breaker (2 ');
Said tripping mechanism (20) can be according to from the beating or order and on the sticking department of circuit breaker (2), side by side apply tripping operation and move of the relay Disjoncteur of differential stage (1),
It is characterized in that; Said tripping mechanism is for being arranged in the bar (20) of each circuit breaker (2); An end (22) of said bar (20) is the displacement along a path when differential stage (1) trips, thereby allows a said end (22) to contact with sticking department, so that with the sticking department release.
2. according to the described protection module of last claim, it is characterized in that each bar (20) comprises the device (26) of at least one bar (20) that is used for firmly being connected to differential stage (1) or being connected to adjacent circuit breaker (2).
3. protection module according to claim 2 is characterized in that, this device (26) comprises distance piece (26), and its each end is provided to the connection of differential stage (1) or the connection of arriving the bar (20) of adjacent circuit breaker (2).
4. protection module according to claim 2 is characterized in that, this device (26) comprises single axle, and this single axle connects the bar (20) and the differential stage (1) of circuit breaker (2).
5. protection module according to claim 4 is characterized in that, it comprises single housing (4), and this housing holds differential stage (1) and circuit breaker (2).
6. according to each described protection module in the claim 1 to 5; It is characterized in that; The rotatable motion of said bar (20), near the end (21) of each bar (20) it is positioned at the control handle (18) of circuit breaker (2) located to link, and another end (22) comprise the zone that is used to contact sticking department.
7. protection module according to claim 6 is characterized in that, the relay Disjoncteur of differential stage (1) comprises the electromagnetic relay assembly (3) related with sticking department (5), and the independent operation of the supply voltage of module is provided.
8. protection module according to claim 6 is characterized in that, the relay Disjoncteur of differential stage (1) comprises relay (3), and this relay has transmitting coil, and the operation of the supply voltage that depends on module is provided.
CN2007800346506A 2006-09-18 2007-09-18 Protection unit Expired - Fee Related CN101536132B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20060360044 EP1901328B1 (en) 2006-09-18 2006-09-18 Protection unit
EP06360044.9 2006-09-18
PCT/FR2007/001515 WO2008034972A2 (en) 2006-09-18 2007-09-18 Protection unit

Publications (2)

Publication Number Publication Date
CN101536132A CN101536132A (en) 2009-09-16
CN101536132B true CN101536132B (en) 2012-04-25

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ID=37668160

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007800346506A Expired - Fee Related CN101536132B (en) 2006-09-18 2007-09-18 Protection unit

Country Status (5)

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EP (1) EP1901328B1 (en)
CN (1) CN101536132B (en)
AU (1) AU2007298854B2 (en)
ES (1) ES2394094T3 (en)
WO (1) WO2008034972A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB597155A (en) * 1942-08-26 1948-01-20 Westinghouse Electric Int Co Improvements in or relating to electrical protective systems
FR2391549A1 (en) * 1977-05-17 1978-12-15 Elettrocondutture Water heater and washing machine protection unit - uses main disconnector in feed line and fault-current member and line protection switches with thermal and magnetic tripping
CN1054232C (en) * 1994-09-28 2000-07-05 施耐德电器工业公司 Defferential switch associated to one or more circuit protection elements such as fuse cut-guts or circuit breakers
CN1465086A (en) * 2000-05-26 2003-12-31 纳幕尔杜邦公司 Production method for plasma display unit use panel and production method for plasma display unit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20011575A1 (en) * 2001-07-23 2003-01-23 Abb Service Srl MODULAR TETRAPOLAR DIFFERENTIAL SWITCH

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB597155A (en) * 1942-08-26 1948-01-20 Westinghouse Electric Int Co Improvements in or relating to electrical protective systems
FR2391549A1 (en) * 1977-05-17 1978-12-15 Elettrocondutture Water heater and washing machine protection unit - uses main disconnector in feed line and fault-current member and line protection switches with thermal and magnetic tripping
CN1054232C (en) * 1994-09-28 2000-07-05 施耐德电器工业公司 Defferential switch associated to one or more circuit protection elements such as fuse cut-guts or circuit breakers
CN1465086A (en) * 2000-05-26 2003-12-31 纳幕尔杜邦公司 Production method for plasma display unit use panel and production method for plasma display unit

Also Published As

Publication number Publication date
AU2007298854A1 (en) 2008-03-27
EP1901328A1 (en) 2008-03-19
ES2394094T3 (en) 2013-01-17
EP1901328B1 (en) 2012-09-12
CN101536132A (en) 2009-09-16
WO2008034972A2 (en) 2008-03-27
AU2007298854B2 (en) 2011-03-17
WO2008034972A3 (en) 2008-07-10

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Granted publication date: 20120425