CN204144181U - For the electrical switchgear of low voltage circuit - Google Patents

Abstract

A kind of electrical switchgear for low voltage circuit, comprise the main casing with multiple sections, these sections limit: the first accommodation space determining one or more electrode of contact and corresponding moving contact at least one comprising the connection that can be coupled to each other/disconnect accommodating; For accommodating the second accommodation space being connected to the driving mechanism of driving shaft to operably, driving shaft is connected to the moving contact of each pole to operably; For the 3rd accommodation space of one or more auxiliary equipment of accommodating switching device; For the protection of accommodating switching device and/or the 4th accommodation space of control unit.Switching device comprises the bracing or strutting arrangement for driving shaft, and bracing or strutting arrangement is displaceably connected to the wall of main casing, and driving shaft is connected to bracing or strutting arrangement to operably can rotate relative to wall and bracing or strutting arrangement self to make driving shaft.Switching device also comprises at least regulating driving shaft relative to the device of the position of the wall be connected with driving shaft.

Description

For the electrical switchgear of low voltage circuit

Technical field

The utility model relates to a kind of electrical switchgear, and it is preferably adopted by low voltage circuit.

Background technology

As be well known in the art, the switching device used in low voltage circuit (its at height to the application when rated voltage of 1000VAC/1500V DC)---typically is circuit breaker, automatic circuit breaker, cutter and contactor---and is as the specific part of circuit and the proper handling of load that is operationally associated with this circuit and the device that designs.

Switching device comprises one or more electrode; Each electrode comprises at least one to be determined contact and connects the corresponding moving contact for the I/O being connected to circuit to corresponding terminal.

Suitable driving mechanism activates this moving contact; Especially, the action of this driving mechanism acts on rotating driveshaft, this rotating driveshaft may be operably coupled to this moving contact in such a way: due to the rotation of rotating driveshaft, moving contact with determine contact and connect (closed switching device) or be separated (switching device of disconnection).Determine between contact with moving contact connecting/disconnecting connect occur in make the minimized mode of the impact of electric arc to configure Special electric arc chamber in or near.

By means of being positioned at the suitable joystick of front portion of circuit breaker in a manual fashion or by the protection of insertion switch device and control device (such as electronic relay), the motion of moving contact can be caused.

Switching device can be equipped with the servicing unit of all protections as mentioned above and control unit and so on, and the main task of this servicing unit is that the function can preset by means of suitable user interface device according to operator or set regulates electric switch to operate.

Switching device is also equipped with several auxiliary equipments of the realization for concrete function usually; such as, auxiliary contact, for sending the contact of the signal of the state (disconnect, closed) of switching device, spring-loaded actuator, solenoid releasing device and sensor.

The existence of these auxiliary equipments is usually directed to complicated cabling scenario, and this is from the angle of installing and be all disadvantageous with regard to the cost be associated.

Switching device comprises main housing case, and main housing case is used for its internal part, such as electrode, driving mechanism, arbitrarily protection and control unit and auxiliary equipment.

The antetheca of this housing limits by for the closed single panel being intended to the accommodation space of accommodating driving mechanism and auxiliary equipment.In this way, whenever removing closure panel, even if when doing so just in order to install or remove an auxiliary equipment, also this driving mechanism can be touched.

As be known in the art, switching device can be " fixing " or " dismountable ".In a first scenario, switching device is directly fixed to supporting construction; In the latter case, main housing case inserts in extra support housing or from extra support housing and takes out, and this extra support housing is fixed to supporting construction.

Consider dismountable switching device; when switching device is taken out from support housing, on support housing, usually realize by means of terminal board, the auxiliary equipment be arranged in main casing and/or protection and being adversely interrupted each connection of existing between control unit with the external world.This interruption at least temporarily result in the interior any information existed of loss auxiliary equipment and/or protection and control unit, afterwards when its insertion position taked again by switching device, must reconfigure or check any information of loss.In a word, regardless of the topology layout of switching device, switching device all must quick acting and reliable during operation gets involved, it must guarantee sufficient useful life, and must have firm as far as possible, compact and flexibly and can to have the structure being easy to while emulative cost carries out producing assemble and install.

Utility model content

The purpose of this utility model is that providing a kind of has the function of improvement and such switching device of feature.

This object is by such as limiting in the following claims and realizing at switching device described below.

Especially, will be described with reference to its implementation as circuit breaker below according to switching device of the present utility model, but it is not intended to the available area limiting the application by any way; Such as, can be cutter or contactor according to switching device of the present utility model.

According to the utility model, provide a kind of electrical switchgear for low voltage circuit, described electrical switchgear comprises main casing, and described main casing has:

-the first section, described first section defines the first accommodation space for one or more electrode, and each electrode in described electrode includes at least one that can be coupled to each other and/or disconnect connection and determines contact and corresponding moving contact;

-the second section, described second section defines the second accommodation space of the driving mechanism for being operatively connected to driving shaft, described driving shaft is operatively connected to the moving contact of each electrode, corresponding determine contact to be attached to by described moving contact and/or determines contact and disconnect with corresponding and connecting;

-three sections, described 3rd section defines the 3rd accommodation space of the one or more auxiliary equipments for described switching device; And

-four sections, described 4th section defines the 4th accommodation space of protection for described switching device and/or control unit;

Wherein, described switching device comprises the bracing or strutting arrangement for described driving shaft, described bracing or strutting arrangement is the mode of movement can be connected to the wall of described main casing, described driving shaft is operatively attached to described bracing or strutting arrangement, to rotate around rotation relative to described wall and described bracing or strutting arrangement, and wherein, described switching device also comprises at least regulating described driving shaft relative to the device of the position of described wall.

In certain embodiments, described bracing or strutting arrangement also comprises resilience-proof device, and described resilience-proof device is configured at described moving contact mobile to determine coordinate with described driving shaft when contact is separated and prevent described moving contact from determining contact resilience towards corresponding with corresponding.

In certain embodiments, the device for regulating is configured to regulate described driving shaft and described bracing or strutting arrangement relative to the position of described wall simultaneously.

In certain embodiments, described main casing comprises antetheca, described antetheca has at least one first setting portion of accommodation space of being suitable for closing and being limited by described second section and is suitable for closed the second setting portion by described 3rd section and described 4th accommodation space that section limits, and described first setting portion can mechanically be separated each other with described second setting portion.

In certain embodiments, described 3rd section comprises the first seat and second seat, described first seat and described second seat respectively define more than first the 3rd accommodation spaces for described auxiliary equipment and more than second the 3rd accommodation spaces, and described second setting portion comprises:

-setting framework, described setting framework at least partially defines the edge of described antetheca;

-the first closure panel and the second closure panel, described first closure panel and described second closure panel are connected to described setting framework securely and are suitable for closing the 3rd accommodation space limited by described first seat and described second seat respectively; And

-three closure panel, described 3rd closure panel is connected to described setting framework removably and is suitable for closed described 4th accommodation space.

In certain embodiments, one or more restriction cover is operatively associated with one or more in the one or more and/or described second seat in described first seat, thus makes the one or more auxiliary equipment holding positions in described auxiliary equipment.

In certain embodiments, the one or more auxiliary equipments in described auxiliary equipment are operatively positioned in described 3rd accommodation space with " instant inserted and instant using type " or " click type " mounting means.

In certain embodiments, each electrode in described electrode includes shell, and described shell is become by two and half hull shapes be linked together and at least accommodating described moving contact determining contact and correspondence.

In certain embodiments, the seat of accommodating transducer is all limited with in the shell of each electrode, described transducer comprises the first magnetic circuit of closed path, secondary winding and the second magnetic circuit, described first magnetic circuit is suitable for the leading body around described electrode, described secondary winding has the part in described first magnetic circuit at its core core place, described second magnetic circuit is structurally separated with described first magnetic circuit and is operatively associated, thus being absorbed pro rata by the value of described second magnetic circuit and described electric current self at least partially of the main magnetic flux that the electric current circulated in described leading body is produced in described first magnetic circuit.

In certain embodiments, the shell of each electrode also comprises arc chamber, and described arc chamber comprises setting body, and in described setting body, multiple run-on tab is positioned together and is provided with gasification materials element.

In certain embodiments, described driving mechanism at least comprises:

-kinematic chain, described kinematic chain has the multiple elements be operatively associated with each other, and described kinematic chain is operatively connected to described driving shaft, rotates around the rotation of described driving shaft to make described driving shaft;

-framework, described framework is suitable for supporting at least described kinematic chain; And

-one or more flexible member, the rotation be suitable for by means of described driving shaft of described one or more flexible member provides to described kinematic chain and the moving contact of each electrode is attached to corresponding determining contact and/or disconnect the energy needed for connecting with corresponding contact of determining;

The described element of described kinematic chain is operatively connected to each other by pin connection device and/or is connected to described framework.

In certain embodiments, described electrical switchgear comprises the first electric terminal plate, and described first electric terminal plate is electrically connected at least one in described protection and/or control unit and/or described one or more auxiliary equipment.

In certain embodiments, described electrical switchgear comprises additional support housing, described main casing can insert described additional support housing and/or can take out from described additional support housing, described additional support housing comprises the second electric terminal plate, and described second electric terminal plate can be operatively connected to described first electric terminal plate when described main casing inserts in described additional support housing.

In certain embodiments, the assembly of auxiliary equipment is connected to described second terminal board and at least comprises the first auxiliary equipment, described first auxiliary equipment has the first arrangements of electric connection, the second arrangements of electric connection and the 3rd arrangements of electric connection, described first arrangements of electric connection is suitable for being electrically connected to described second electric terminal plate, described second arrangements of electric connection is suitable for the corresponding intrument being electrically connected to described switching device outside, and described 3rd arrangements of electric connection is suitable for being electrically connected to the second auxiliary equipment belonging to described assembly.

Accompanying drawing explanation

This feature and benefit produce primarily of to according to the illustrative preferred but description of the circuit breaker of the form of nonexcludability of the exemplary unit by being applicable to of the present utility model, in the accompanying drawings:

-Fig. 1 is the perspective view according to circuit breaker of the present utility model;

-Fig. 2 to Fig. 6 is the partial, exploded perspective view of the circuit breaker in Fig. 1;

-Fig. 7 is exemplified with the view of a pole of the circuit breaker in assembling stage period Fig. 1;

-Fig. 8 is exemplified with three poles of the circuit breaker in assembling stage period Fig. 1;

-Fig. 9 is exemplified with three poles in the Fig. 8 when the pole of three in Fig. 8 is together with a side assembling of circuit breaker, and a side of this circuit breaker is connected to the bracing or strutting arrangement be suitable for according to the driving shaft used in circuit breaker of the present utility model;

-Figure 10 is suitable for the perspective view according to the driving shaft used in circuit breaker of the present utility model;

-Figure 11 and Figure 12 is the perspective view from being suitable in the different angles according to the driving mechanism used in circuit breaker of the present utility model;

-Figure 13 shows the exploded view of the drive mechanism elements of Figure 11 and Figure 12;

-Figure 14 shows the user interface in " thumb-acting switch " form be suitable for using together with the protection of circuit breaker of the present utility model and/or control unit;

-Figure 15 shows and is suitable for using and the protection comprised based on the user interface of display and/or control unit with together with circuit breaker of the present utility model;

-Figure 16 gives according to the protection of circuit breaker of the present utility model and/or the first visual example controlling display unit.

-Figure 17 gives according to the protection of circuit breaker of the present utility model and/or the second visual example controlling display unit;

-Figure 18 is according to the protection of circuit breaker of the present utility model and/or the 3rd visual example controlling display unit;

-Figure 19 comprises showing and is suitable at the first perspective view of the early stage example according to the transducer used in circuit breaker of the present utility model and second perspective view of such transducer when its partial shell is removed;

-Figure 19 A is the perspective view of the parts be located in Figure 19 in illustrative transducer shell;

-Figure 20 comprises showing and is suitable at the first perspective view of the second example according to the transducer used in circuit breaker of the present utility model and second perspective view of such transducer when its partial shell is removed;

-Figure 21 comprises showing and is suitable at the first perspective view of the 3rd example according to the transducer used in circuit breaker of the present utility model and second perspective view of such transducer when its housing is removed;

-Figure 22 gives the perspective view of the detachable configuration of circuit breaker shown in Figure 1, and wherein this circuit breaker is in insertion position relative to its support housing;

-Figure 23 gives the perspective view be suitable for according to the one group of auxiliary equipment used in circuit breaker of the present utility model;

-Figure 24 and Figure 25 is the partial, exploded perspective view of that group auxiliary equipment in Figure 23;

-Figure 26 gives the perspective view of the auxiliary equipment from that group auxiliary equipment shown in Figure 23;

-Figure 27 is exemplified with can in four examples according to the electric terminal used in circuit breaker of the present utility model;

-Figure 28 is exemplified with a part for the rear wall of the circuit breaker be in its Figure 22 detachably configured;

-Figure 29 gives the perspective view comprising some parts of the bracing or strutting arrangement shown in Fig. 9 that illustrate in detail according to circuit breaker of the present utility model;

-Figure 30 gives the perspective view of some that illustrate in detail in bracing or strutting arrangement parts shown in Figure 29;

-Figure 31 shows the exploded view of bracing or strutting arrangement parts shown in Figure 29;

-Figure 32 and Figure 33 shows the perspective view of the range of motion of the parts shown in Figure 31 when circuit breaker driving shaft rotates;

-Figure 34 is the sectional view of some parts according to circuit breaker of the present utility model.

Embodiment

Fig. 1 is the perspective view of the possible embodiment shown according to circuit breaker 1 of the present utility model.Particularly, to be illustrated by accompanying drawing and in the embodiment be described below, circuit breaker 1 is three-pole; Obviously, the needs of the circuit that circuit breaker 1 can insert according to this circuit breaker 1, are realized by the pole (such as one pole or four poles) of variable number.For specific heavy duty requires, these pole integrally or partly can be copied; Such as, the configuration of six poles respectively in three-phase or four circuitry phases or eight poles can be had; Can also have and add seven neutral poles for three-phase installation, wherein, this neutral pole undouble.

Once assembled, circuit breaker 1 comprises main casing 2, and for simplicity, main casing 2 will be referred to as hereinafter " housing 2 ".This housing 2 has roughly prismatic shape and comprise antetheca 3, rear wall 4, the first side wall 5, second sidewall 6, lower wall 7 and upper wall 8.

Wall 3 and wall 4 are in position respect to one another relative to circuit breaker 1, and pair of sidewalls 5,6 and paired lower wall 7 and upper wall 8 are also like this.

In example shown in Figure 1, sidewall 5,6 constitutes two sides 5 and 6 of circuit breaker 1 and is preferably made up of sheet metal.

Circuit breaker 1 can be " fixing " or " dismountable " type.

In a first scenario, housing 2 is attached to support frame (such as regulator cubicle) at rear wall 4 and/or sidewall 5,6 place.

In the latter case, housing 2 is operatively connected to another supporting construction or housing 1000, and for simplicity, it is expressed as hereinafter " housing 1000 ".

Then, housing 1000 is suitable for being attached to support frame (such as regulator cubicle).

Especially, the fetch bit that circuit breaker 1 can move to housing 1000 by effect that is manual or tracker action from " insertion " position in housing 1000 is put, wherein, at this " insertion " location point place, circuit breaker 1 is electrically connected to electric lead, put place at this fetch bit, circuit breaker 1 disconnects with electric lead and being electrically connected.

Obviously, about considered two kinds of configurations, circuit breaker 1 is located by this way: make rear wall 4 towards supporting construction and make antetheca 3 also free thus can be easy to operator to touch.

With reference to Figure 22, housing 1000 comprises: two sides 1001 and 1002, rear wall 1003, upper wall 1004 and lower walls 1005, which together define the inner space that housing 2 can be inserted therein removably.

The wall 3,4,5,6,7 and 8 of housing 2 defines the spatial accommodation of the internal part of circuit breaker 1.

Especially, housing 2 comprises first section 21 of the first accommodation space defined for electrode 20A, 20B and 20C, each electrode in electrode 20A, 20B and 20C include can in the arc chamber 80 of correspondence repeatedly connect/disconnect connect at least one determine contact 60 and a moving contact 70.Especially, contact 70 can move between open position and make position, and at this open position, contact 70 determines contact 60 electrically separated (circuit breaker 1 disconnects) with corresponding, in this make position, contact 70 is electrically coupled to determines contact 60 (circuit breaker 1 closes).

Electric terminal 17 can with for being associated with pole 20A, 20B and 20C that the phase conductor of the circuit installing circuit breaker 1 is within it electrically connected.When fixing circuit breaker 1, the rear wall 4 of electric terminal 17 from housing 2 as shown in the example in Fig. 1 to Fig. 5 is given prominence to.When detachable circuit breaker 1, the rear wall 1003 of electric terminal 17 from housing 1000 as shown in the example in Figure 28 is given prominence to.

Pole 20A, 20B occur by with the driving mechanism 98 that this moving contact 70 is operatively connected with the motion of the moving contact 70 of 20C.Especially, driving mechanism 98 occurs by means of driving shaft 53 relative to the motion of moving contact 70, and driving shaft 53 is positioned at the sidewall 5 of circuit breaker 1 in the mode that rotates around himself rotation 601 and is operatively connected with this sidewall 5 and sidewall 6 with between sidewall 6.

To make moving contact 70, due to the rotation of this driving shaft 53, the mode of movement is operatively connected to the moving contact 70 of pole 20A, 20B and 20C to driving shaft 53; Driving mechanism 98 self is operatively connected to driving shaft 53 to cause the rotation of driving shaft 53 and thus mobile contact 70.

Housing 2 also comprises: second section 22 and the 3rd section 23, and this second section 22 defines for driving mechanism 98 and the second accommodation space of driving shaft 53 of being operatively connected with this driving mechanism 98; 3rd section 23 defines the 3rd accommodation space of one or more auxiliary equipment 91A, 91B, 91C and 91D for circuit breaker 1.

Housing 2 also comprises the 4th section the 24, four section 24 and defines for according to the protection of switching device 1 of the present utility model and/or the 4th accommodation space of control unit 99.The use of switching device 1 is depended in fact in protection and/or the existence of control unit 99: when switching device 1 is used as electric lead cutter, then by default protection and/or control unit 99 and the 4th accommodation space of shell 2 keeps idle substantially.

Housing 2 preferably includes the 5th accommodation space that the 5th section the 25, five section 25 defines the manual control lever 97 for driving mechanism 98.

With regard to the normal vertical installation of circuit breaker 1, portion's section 21 of housing 2 is operationally located close to rear wall 4 between upper wall 7 and lower wall 8, and portion's section 22,23,24 and 25 is located close to antetheca 3.Portion's section 22,23 is arranged in the position be separated with upper wall 8, and portion's section 24 is located close to upper wall 8 and is positioned at above portion's section 21,22,23 and 25.Especially, portion's section 22 is positioned at the middle section of antetheca 3, and portion's section 23 is separated into two independent rooms, and each room is close to a sidewall location in two sidewalls 5,6.

Indoor first, portion's section 23 comprises the first seat (seat) 231A, 231B of locating close to sidewall 5.First seat 231A, 231B defines more than first the 3rd accommodation spaces for some auxiliary equipments; Such as, as shwon in Figures 5 and 6, the first seat 231A is suitable for putting spring loading motor 91A (" motor operation part "), and second seat 231B is suitable for accommodating one or more auxiliary contact 91B.

Indoor second, portion's section 23 advantageously comprises second seat 232A, 232B of locating close to sidewall 6.Second seat 232A, 232B define more than second the 3rd accommodation spaces for extra auxiliary equipment; Such as, as shwon in Figures 5 and 6, multiple signals that second seat 232A is suitable for the signal of accommodating one or more mode of operation for sending such as circuit breaker 1 send contact 91C, and second seat 232B is suitable for accommodating multiple releasing device 91D, the disconnection coil (BA, SOR) of such as circuit breaker 1, closing coil (BC, SCR), or under-voltage release (" low-voltage release " or UVR or MT).

Operation arrangement for section 21 to portion of portion section 25 description of housing 2 allows the free space optimization of the internal part of circuit breaker 1; Therefore circuit breaker 1 comprises the cramped construction that size significantly reduces.

Be further described in more detail below with reference to the internal part (being positioned at the corresponding accommodation space limited by section 21 to portion of the portion section 25 of housing 2) of accompanying drawing to circuit breaker 1.

Especially, with reference to figure 7 to Fig. 9, pole 20A, 20B, 20C of circuit breaker 1 constitute unit autonomous in structure, and these unit independently of one another and roughly equivalent.In fact, each in pole 20A, 20B and 20C is provided with himself shell 30, and this shell 30 has roughly prismatic shape and being realized by two and half shell 30A and 30B of insulating material.This two and half shell 30A and 30B is linked together along articulated joint, and the profile of its complementation is suitable for being assembled together to guarantee mechanical stability and the enough sealings to any gas that can produce in shell 30.Especially, the profile of joint line comprises assembling in a standardized manner and constitutes recess 4000 and the teat 5000 in the labyrinth of the escape of gas hindering electric arc to produce.As recess 4000 and corresponding teat 5000 substitute or additional, groove can be there is and be suitable for the respective male part that assembles each other in the profile of joint line.

Shell 30 holds the moving contact 70 determining contact 60 and correspondence and the arc chamber 80 of pole 20A, 20B and 20C, and this arc chamber 80 is suitable for limiting in shell 30 moving contact 70 and the space be separated of determining contact 60 can occur.

Especially, moving contact 70 to be arranged in supporting construction 130 and to be hinged to this supporting construction 130 by pin 19, and moving contact 70 can be rotated around rotation 8200; The lateral surface of shell 30 extends in the plane being approximately perpendicular to rotation 8200.

Arc chamber 80 comprises setting body 82, the element 85 this setting body 82 being provided with run-on tab 81 and being made up of gasification materials (insulating material that namely discharged deionization material when heating, that have gasification property).

With reference to figure 7, setting body 82 comprises such as upper wall 83, is extruded with the pair of sidewalls 84 faced by being spaced apart from each other also from this upper wall 83.Arc chamber 80 is arranged in shell 30, makes to determine contact 60 and occurs close to sidewall 84 with being separated of moving contact 70; For this reason, sidewall 84 is positioned at the either side place determining contact 60.

Vaporization element 85 and run-on tab 81 also insert in the space between sidewall 84 in the mode of determining the separated region between contact 60 and moving contact 70 also therefore producing amount of heat close to formation electric arc.

Especially, vaporization element 85 comprises the mechanical connecting element 86 being suitable for connecting to the corresponding connection seat 87 be limited in sidewall 84; In addition, vaporization element 85 formalizes by this way: the inner surface covering sidewall 84, is positioned at himself between these inner surfaces and run-on tab 81.

As the result of heat produced because the starting the arc (arcing) period institute releases energy, gasification materials 85 sends and can suppress the starting the arc thus accelerate to interrupt and the final deionization material reducing arc fall time and the gross energy discharged; In addition, the extinguishing gas produced is tending towards promoting electric arc towards run-on tab 81.

Vaporization element 85 contributes to preventing unsuitablely sending electric arc together with the sidewall 84 of setting body 82, thus is effectively limited in by electric arc in the region of being responsible for extinguishing.

Shell 30 has the opening 9 occupied by the upper wall 83 of arc chamber 80 at the assembly process of pole 20A, 20B, 20C; Multiple opening 10 is defined in upper wall 83.

Except arc chamber 80, shell 30 also holds the electrode 13 and 14 being electrically connected to respectively and determining contact 60 and moving contact 70.Especially, the connection between half shell 30A and 30B defines the opening 15 that can touch the surface of electrode 13 in the outside of shell 30; Shell 30 is also included in the opening 16 limited in half shell 30B, and this opening 16 also makes it possible to the surface touching electrode 14 in the outside of shell 30.

In the shell 30 of each pole in pole 20A, 20B, 20C, define the seat 240 of the transducer 700 of protection for being preferably electrically connected to circuit breaker 1 and/or control unit 99.For this reason, the groove 29 extended in the outside of half shell 30A, 30B allows the cable of transducer 700 to lead to protection and/or control unit 900.

Advantageously, with particular reference to Figure 19 A to 19B, transducer 700 comprises the first closed path magnetic circuit 710 be made up of lamination; First magnetic circuit 710 closed extend the leading body that allows to be provided with pole 20A, 20B and 20C of transducer 700 in it can by around.Such as, with reference to figure 7, transducer 700 is contained in the corresponding seat 240 of shell 30, makes its first magnetic circuit 710 around the electrode 14 of moving contact 70.

The secondary winding 712 with the function producing the secondary current being intended to be fed to protection and/or control unit 99 is wound around around a part for the first magnetic circuit 710.

Device 700 also comprises the second magnetic circuit 720, and it is preferably also made up of multiple package board; These two magnetic circuits 710 and 720 are structurally disconnected from each other and different, and pushed away together, make being blocked by the second magnetic circuit 720 at least partially of the magnetic flux of circulation in the first magnetic circuit 710.Especially, the second magnetic circuit 720 physically arranges around secondary winding 712 part being wound around secondary winding 712, and in two main region, be operatively connected to the first magnetic circuit 710, roughly contacts with each other at these two magnetic circuits of these two main region.These two attachment areas are preferably located in the end of secondary winding 712 to produce required magnetic flux bypass.

In fact, in the attachment areas between these two magnetic circuits, the first magnetic flux is blocked and experiences and departs from towards the local of the second magnetic circuit 720.When being passed to magnetic circuit 720 from magnetic circuit 710, the line of flux follows following path: in the path, and at least one component of these lines of flux causes orthogonal with the direction of package board; Therefore, at least one component orthogonal of these lines of flux turned to through the plane of the plate of these two magnetic circuits 710,720, thus overcomes the natural air gap that the break joint between the adjacent panels of each in magnetic circuit 710,720 and between magnetic circuit 710 and magnetic circuit 720 formed.This path result in effect needed for the weighting flux subtraction based on the value of primary current.

In addition, the connection between the surface of magnetic circuit 710 or 720 can---that is, make two magnetic circuits lean on each other---to realize, or realize by means of the insertion of the interface element be such as made up of diamagnetic material in a straightforward manner; This scheme contributes to the flux transmission from the first magnetic circuit to the second magnetic circuit under the high levels of current in leading body; The transmission of the flux between these two magnetic circuits is inhibit on the contrary when the electric current of appropriateness.

Especially, the electric current in leading body increases, the first magnetic flux is also tending towards being transmitted to the second magnetic circuit 720 gradually.In this way, the ratio changed with the flux that can produce along with the electric current flowed in leading body circulates by the second flux in the second magnetic circuit 720; In the second magnetic circuit 720 flux portion of flowing along with leading body in the increase of current value of circulating and increasing; Thus depart from the first magnetic circuit 710 gradually.In these two magnetic flux, only the first magnetic flux is relevant with secondary winding 712, and therefore this first magnetic flux is only depended in amperometric output.

The condition of this output is as follows: when low current flows in leading body, not to the obvious flux migration of the second magnetic circuit, means produced secondary current thus can be used for powering to protection and/or control unit 99 completely.When higher primary current, the output produced by winding is suitably reduced on the contrary, the output produced to make winding remain on protect and/or control unit 99 electrical characteristics compatibility the limit in.

With reference to illustrative three exemplary embodiments in Figure 19 to Figure 21, transducer 700 comprises the shell 714 be made up of the insulating material of all parts of accommodating transducer 700 inside; Which results in compact, firm, size to reduce and assembling is simple.

Shell 714 is realized with the second half by the first half shell 714A connecting of shell 714B, and the first half shell 714A are suitable for the accommodating seat of the internal part limiting transducer 700, and the second half shell 714B are suitable for covering the internal part be contained in half shell 714A.

The opening 716 of shell 714 allows by electrical connection that is necessary for the operation for protection and/or control unit 99, secondary winding 712.

How accompanying drawing is arranged to comprise another converter 715 (or electric current spin-off of such as Rogowski (Rogowski) transducer or a series of Hall element) around leading body by shell 714 if showing, this converter is particularly suitable for the amplitude detecting or measure electric current.In this case, opening 716 also allows the electrical connection by another converter 715.

In fact, by this scheme, power supply device 700 achieves monolithic to can directly and easily insert together with corresponding pole 20A, 20B current sensor in the seat 240 of the shell 30 of 20C.

With reference to figure 8, define in the shell 30 of each pole 20A, 20B and 20C and be suitable for allowing the opening 27 (illustrate only two in mounting rod 28 in fig. 8) by mounting rod 28.

At the assembly process of circuit breaker 1, requisite number object stacks together and between two sidewalls 5,6 (illustrate only the wall 6 in two sidewalls 5,6 in figs. 8 and 9) being assembled in circuit breaker 1, thus creates " encapsulation " or " sandwich " configuration.Especially, mounting rod 28 through each in pole 20A, 20B and 20C, thus ensure that the aligning that they are accurate and compact.In addition, bracing or strutting arrangement 2900 is for the respective lower of holding shell 30, and this contributes to keeping pole 20A, 20B and 20C to compress side by side.

In fact, the block self be made up of pole 20A, 20B and 20C of circuit breaker 1 is rendered as and is singlely roughly prismatic assembly.

With reference to figure 1, once be arranged between the sidewall 5 of shell 2 and sidewall 6 by the block of pole 20A, 20B and 20C, then the upper wall 83 of the arc chamber 80 of these pole 20A, 20B and 20C just constitutes the upper wall 8 of housing 2.

Sealing 10 in upper wall 83 allows the gas produced during the electric starting the arc to overflow from circuit breaker 1 at upper wall 8 place.

With reference to Figure 22, when detachable circuit breaker 1, the upper wall 1004 of housing 1000 comprises the grid 1006 with the slit 1007 coordinated with the sealing 10 of housing 2, thus the gas allowing pole 20A, 20B and 20C to produce is overflowed at upper wall 1004 place.

In addition, the rear portion comprising the block of pole 20A, 20B and 20C constitutes the rear wall 4 of housing 2 at least partially.

When fixing circuit breaker 1, the electric terminal 17,18 of each pole 20A, 20B and 20C is fixed to electrode 13 and 14, and these electric terminals are given prominence to from rear wall 4 as shown in Fig. 1 to Fig. 5.For this reason, electrode 13 and 14 has the hole 200 for installing respective terminal 17; In fact, terminal 17 also has the hole 201 coordinated with this some holes 200 of electrode 13 and 14, thus allows to clamp between electrode 13 and 14 and respective terminal 17 by means of screw.

With reference to illustrative exemplary embodiment in Figure 27, terminal 17 comprises base portion 18, and one or more teat 202 is laterally projecting from base portion 18.These teats 202 are suitable for being fixed to and form inner one or more distribution busbar (distributionbus bar) being provided with the phase conductor of the circuit of circuit breaker 1.

Base portion 18 is limited with and is suitable for the hole 202 of mating with the hole 201 of respective electrode 13,14 for fastening object.Especially, terminal 17 is arranged on its corresponding electrode 13,14 according to the first or second orientation relative to the rear wall 4 of housing 2.

According to this first orientation, these one or more teats 202 are arranged so that they can be connected to the busbar that level is outstanding in the compartment system having installed circuit breaker 1; When the second orientation, these one or more teats 202, relative to the first orientation half-twist degree, make it can be fixed to vertical outstanding busbar in compartment system.

With reference to Figure 28, when detachable circuit breaker 1, electrode 17 is given prominence to from the rear wall 1003 of housing 1000, and these electrodes 17 are by means of the suitable Connection Element of such as clamping terminal, are operationally electrically connected the respective electrode 13,14 of extremely 20A, 20B and 20C.

Figure 28 is exemplified with three electrodes 17 according to an example in example illustrative in Figure 27, in Figure 28, two electrodes in these three electrodes 17 are installed relative to rear wall 1003, make these two electrodes can be fixed to corresponding horizontal busbars, and remain an electrode relative to other two terminal 17 half-twists installations, make this electrode can be fixed to corresponding vertical busbar.

From front portion, the shell 30 of pole 20A, 20B and 20C has opening 11, and this opening 11 is suitable for allowing by the operation connecting elements between corresponding moving contact 70 and driving shaft 53.

The form of the connecting rod 12 that these connecting elementss are preferably made up of insulating material.Such as, with reference to figure 8 and Fig. 9, for each pole 20A, 20B and 20C, a pair connecting rod 12 is given prominence to from shell 30 through corresponding opening 11; These connecting rods 12 are hinged to (in shell 30) in the supporting construction 130 of moving contact 70 in side, and at opposite side, these connecting rods 12 are operatively connected to driving shaft 53 (being contained in the accommodation space limited by portion's section 22 of housing 2 together with corresponding drive member 98).

In this way, the front portion of the block that paired connecting rod 12 is formed from the shell 30 by stacking pole 20A, 20B and 20C is given prominence to, and driving shaft 53 is located in front portion relative to this block, operatively to connect with paired connecting rod 12.

Especially, the side 5 and 6 of circuit breaker 1 protrudes past the block of pole 20A, 20B and 20C towards antetheca 3; Opening 5200 is limited on these sides 5,6 (can see the only opening in opening 5200) in figs. 8 and 9.The opposite end of driving shaft 53 can be touched from the outside of housing 2 by opening 5200.

With reference to Figure 10, driving shaft 53 comprises the bar 54 for being attached to connecting rod 12; Especially, each in these three bars 54 illustrative to be all inserted between corresponding a pair connecting rod 12 of being associated to the pole of in pole 20A, 20B and 20C and to be connected to this corresponding a pair connecting rod 12.

In addition, also be provided with the signaling device installed or be limited on the driving shaft 53 of such as cam 55 or bar 56, this signaling device is suitable for performing the signal relevant with the state of circuit breaker 1 (such as close or disconnect) and sends function, or for recovering associate member (in such as releasing device 91D).

According to the utility model, circuit breaker 1 comprises the bracing or strutting arrangement for driving shaft 53, and this bracing or strutting arrangement represents with total Reference numeral 600 in the accompanying drawings.

With particular reference to Fig. 9 and Figure 29 to Figure 34, bracing or strutting arrangement 600 is connected to the sidewall 6 of housing 2 in movable mode.Driving shaft 53 is operatively attached to this bracing or strutting arrangement 600, and this driving shaft 53 can be rotated around the rotation 601 of himself relative to sidewall 6 and the bracing or strutting arrangement 600 of himself.

Substitute the example shown in institute's quoted figures, bracing or strutting arrangement 600 can be operatively connected to the sidewall 5 of housing 2, or can adopt more than one device 600; Such as, two devices 600 that correspondence two sides 5,6 place that can be used in housing 2 lays.

In addition, circuit breaker 1 comprises the adjusting device 620 of the position at least setting driving shaft 53 relative to sidewall 6.

According to illustrative exemplary embodiment in institute's quoted figures, support component 600 also comprises " resilience-proof device " 630, should be configured to by " resilience-proof device " 630, when these moving contact 70 driven shafts 53 activate to make moving contact 70 self with corresponding determine contact 60 be separated time, prevent moving contact 70 towards any resilience determining contact 60 with driving shaft 53 joint operation.

Adjusting device 620 preferably constructs and is operatively connected to driving shaft 53 and bracing or strutting arrangement 600, to regulate driving shaft 53 and bracing or strutting arrangement 600 relative to the position of the sidewall 6 be operatively connected with bracing or strutting arrangement 600 simultaneously.

Especially, adjusting device 620 be configured to according to this explanation as a part for bracing or strutting arrangement 600 self resilience-proof device 630 together with the position of driving shaft 53 and bracing or strutting arrangement 600 is regulated simultaneously.

Especially, bracing or strutting arrangement 600 is hinged on corresponding sidewall 6 by the hinge axes 602 substantially parallel with rotation 601, and this bracing or strutting arrangement 600 can rotate around this axis 602.

Then, as shown in Figure 34, adjusting device 620 is configured to along the mobile driving shaft 53 of axis of reference 603 (in the two directions) transverse to rotation 601, and simultaneously around hinge axes 602 rotating supporting device 600 of supportive device 600 self.

With reference to Figure 30, bracing or strutting arrangement 600 is included in the hinged setting mounting panel 610 in the side place of sidewall 6, and pin 611 is given prominence to from this setting mounting panel 610, makes pin 611 contribute to limiting hinge axes 602.

Setting mounting panel 610 comprises opening 612, inserts bearing brass 660 in opening 612; In fact, a part (can be such as the end sections of the cross section relative to the main part of driving shaft 53 with reduction) for driving shaft 53 is inserted in bearing brass 660 with minimum mechanical clearance.This bearing brass 660 defines the bearing for driving shaft 53; Thus this driving shaft 53 is supported by the bracing or strutting arrangement 600 being attached to sidewall 6, and this driving shaft 53 can rotate relative to sidewall 6 relative to bracing or strutting arrangement 600 self in bearing brass 660.

Mounting panel 610 also comprises end, such as, folds and is shaped as the upper end providing two hook portions 614,615 betwixt with break joint 616.

As illustrated in such as in Figure 29 to Figure 31, resilience-proof device 630 comprises hook plate 631, this hook plate 631 is attached to the second end of pin 611, this hook plate can be rotated around hinge axes 602 under the actuating of adjusting device 620 together with setting mounting panel 610 simultaneously, and this hook plate can be rotated around hinge axes 602 relative to mounting panel 610 under the actuating of driving shaft 53, that is, mounting panel 610 is still in its position.

In the accompanying drawing quoted in illustrative exemplary embodiment, hook plate 631 comprises the first arm 632 and the second arm 633, defines open-cavity 341 between two-arm; First arm 632 and the second arm 633 are suitable for mechanically interacting with the corresponding portion 57 (in such as Figure 10 illustrative a pair bar 57) of driving shaft 53, and in open-cavity 341, guide corresponding portion 57 when driving shaft 53 rotates, thus make moving contact 70 and determine contact 60 and be separated.

Resilience-proof device 630 also comprises the bias spring 635 between mounting panel 610 and hook plate 631; This bias spring 635 has hook to from setting mounting panel 610 towards the first end 636 of outstanding the first connecting pin 613 of hook plate 631 and hook to from hook plate 631 towards the second end 637 of outstanding the second connecting pin 638 of setting mounting panel 610.

Then, adjusting device 620 comprises adjustment screw 621, and the head 622 of this adjustment screw 621 is inserted in the break joint 616 between the first hook portion 614 and the second hook portion 615 surface facing with each other.The body 623 of screw 621 to extend in the second hook portion 615 and with threaded hole through what be limited on protuberance 640, and sidewall 6 one of protuberance 640 and housing 2 is also flatly given prominence to from the sidewall 6 of this housing 2.

In addition, adjusting device 620 comprises nut 650, and this nut 650 is connected to body 623, makes nut 650 that driving shaft 53 and whole bracing or strutting arrangement 600 are locked in obtained adjusting position.

With reference to figures 11 to Figure 13, described in more detail the driving mechanism 98 being suitable for using in circuit breaker 1.Especially, driving mechanism 98 is arranged in the corresponding accommodation space that limited by portion's section 22 of housing 2, and it operatively can be interacted with driving shaft 53.

Driving mechanism 98 comprises the framework be made up of a pair support side 310 laterally connected by communication device 4300 (such as pin, bar or distance piece).This framework is connected to the housing 2 of circuit breaker 1 by means of support 421.

This framework support is suitable for the kinematic chain being operatively connected to driving shaft 53, to make the rotation being guaranteed driving shaft by the intervention of this kinematic chain.The element realizing kinematic chain is operatively being connected each other and/or between framework by pin connection device; Such as, one or more pin that each element in the element of kinematic chain limits is hinged to the corresponding aperture limited on frame facet 310, and does not use bar or other hardwares.

Advantageously, the drive member 98 coordinated with bracing or strutting arrangement 600 also achieves the function of supporting driving shaft 53.Especially, each in the 310a of side is all limited with link 810; This end 810 is shaped as and the correspondence on its body that can insert driving shaft 53 is supported in recess 510.

Link 810 inserts corresponding support in recess 510 and defines a pair hinge, this hinge is except allowing the rotating freely of driving shaft 53, also achieve and effectively promote supporting functions, and this hinge prevents driving shaft 53 along any slip of himself rotation.

It should be noted that driving mechanism 98 except contributing to supporting driving shaft 53, even if also constitute the self supporting structure (" independently ") being separated with the structure of circuit breaker 1 and still there is stable structure.

Driving mechanism 98 comprises and is suitable for presenting the primary importance corresponding with the closure state of circuit breaker 1 and off-state and the signaling device 530 of the second place; Especially, signaling device 530 interacts to present a position in these two positions in response to the operation of the corresponding signal issue device 55,56 of itself and driving shaft 53.

Driving mechanism 98 is the stored energy formula driving mechanisms pre-seted, that is, can before close circuit breaker 1, this driving mechanism 98 must a pair spring 380 of compressible drive mechanism 98 self to store motor-driven required energy.

For this reason, driving mechanism 98 comprises spring and loads axle 390, and spring loads axle 390 and is arranged between frame facet 310 to make it rotate.The rotation that spring loads axle 390 is caused by the driving mechanism comprising manual control lever 97; Especially, bar 97 works on spring loading axle 390 by means of supporting device 940.

The rotation that spring loads axle 390 can also be caused by the spring loading motor 91A be contained in the corresponding seat 231A of housing 2 (in this case, the actuating mechanism of spring loading axle is called " motor operation equipment "-MOE).Kinematic chain for making driving shaft 53 rotate comprises the rocker arm 800 that the translating rotation being suitable for this spring being loaded axle 390 becomes the compression of spring 380.Especially, rocker arm 800 is mounted to it is swung between support side 310 by means of pair of pin 820, and rocker arm 800 comprises a pair side be horizontally connected to one another by means of the first pin 9000 and the second pin 910.

Spring 380 is connected to pin 910, and the first roller 920 and the second roller (not visible in fig. 13) be arranged on pin 9000 end on respectively be arranged on spring and load the first cam disc 890 on axle 390 and the second cam disc 950 operatively interacts.

In operation, on the first roller 920 that the predetermined rotation (such as due to the introducing of manual control lever 97 or spring loading motor 91A) that spring loads axle 390 makes cam disc 890 and 950 act on rocker arm 800 respectively and the second roller.This interaction causes the corresponding swing of the rocker arm 800 of Compress Spring 380.

Driving mechanism 98 comprises securing rod 180, and securing rod 180 is suitable for interacting to stop spring to load the rotation of axle 390 at the maximum compression point of spring 380 with the appropriate section of cam disc 890.

Driving mechanism 98 comprises the signaling device 960 for the state of spring 380, and it presents and to load diverse location corresponding to operative configuration that axle 390 (sending signal by means of the wheel 970 be arranged on axle 390) and element 830 reach with spring.When such as there being the ON-and OFF-command of self-shield and/or control unit 99, element 830 has had the task of the closed procedure forbidding driving mechanism 98.

Such as, signaling device 960 can present by three of the indicator mark relevant to the virtual condition of spring 380 positions: spring does not load, spring has loaded or spring has loaded and got out close circuit breaker 1.

The kinematic chain of driving mechanism 98 also comprises the ancon (toggle) formed by the first pair of connecting rod 330 be connected to each other by means of fulcrum pin 990 and second pair of connecting rod 340.Roller 350 is arranged on on the opposed end of rocker arm 800 operatively interactional fulcrum pin 990.

The end of this pair connecting rod 340 is operatively connected to hook portion 320, this hook portion 320 then be operatively connected to the rotating element 1011 be hinged between frame facet 310.

Such as, this pair connecting rod 340 is connected to hook portion 320 by means of first at least with the end being hinged to connecting rod 340 and the plate 1010 of second that is operatively connected to rotating element 1011.

Motor-driven period is closed at circuit breaker 1, this a pair connecting rod 330 is suitable for operatively interacting with one or more element of driving shaft 53, make this pair connecting rod 330 cause the corresponding rotation of driving shaft 53, and make this pair connecting rod 330 and pole 20A, 20B and 20C determine contact 60 and moving contact 70 is linked together.Such as, this can be connected to the center rod 54 of the driving shaft 53 shown in Figure 10 to connecting rod 330.

Close motor-driven can control by close push button 1510 (" I " or " ON ").For this reason, driving mechanism 98 comprises the closed axle 160 being hinged to side 310; By means of the effect of closed axle 160, button 1501 is suitable for the rotation causing closed axle 160.This turning effort to discharge this securing rod 180 from cam disc 890, thus causes the unexpected elongation of the spring 380 of prestrain on securing rod 180.

Elongation like this makes the correspondence causing rocker arm 800 swing, and arm 800 promotes the roller 350 of swivel pin 990 between its shaking peroid.The motive force applied by rocker arm 800 makes ancon stretch, that is, make a pair connecting rod 330 and 340 being aligned; Especially, this pair connecting rod 330 is so shifted and makes to cause transmission axle 53 around the corresponding rotation of its rotation 601.This rotation of driving shaft 53 acts on this pair connecting rod 12 of pole 20A, 20B and 20C by means of corresponding bar 54, thus causes and determine connecting between contact 60 with moving contact 70.

In order to the rotation determining the driving shaft 53 that contact 60 and moving contact 70 are linked together being caused the compression disconnecting spring 2000, disconnect spring 2000 and be such as operatively connected to axle 53 self by bar 2001, and be connected to driving mechanism 98, such as, be connected to a side in side 310.

The power be applied on transmission axle 53 by the disconnection spring 2000 compressed is discharged on rotating element 1011 by means of ancon and plate 1010.But, although circuit breaker 1 keeps in closed state, also can by preventing the rotation of element 1011 with the interactional hook portion 320 of the hook element 360 be under blocked state.With this, driving shaft 53 is stopped and all power be applied on this driving shaft 53 is all discharged in the support side 310 of framework by means of rotating element 1011.Hook element 360 is installed as and it can be rotated between frame facet 310 and rest under blocked state to stop on its rotation release shaft 1501 moved.

When the opening operation of circuit breaker 1 starts, release shaft 1501 is rotated, the support of release shaft 1501 pairs of hook elements 360 is removed.This rotation of release shaft 1501 can produce by pressing cut-off push button 1500 (" 0 " or " OFF ") or by means of the automatic intervention of one or more device (such as protection and/or control unit 99 or release coil 91D) of circuit breaker 1.

When removing the support from release shaft 1501 from hook element 360, hook element 360 rotates freely subsequently under the effect of the bias spring of himself, thus itself and hook portion 320 are departed from.

After this disengaging, both hook portion 320 and rotating element 1011 also rotate freely under disconnection spring 2000 is applied to the effect of the power on driving shaft 53.

After element 1011 rotates, plate 1010 causes the bending of ancon, thus result in this pair connecting rod 330 and 340 not being aligned.Ancon this bending determines that driving shaft 53 is corresponding to be rotated suddenly, and this causes, and pole 20A, 20B and 20C's determine being separated of contact 60 and moving contact 70, thus cut-off breaker 1.This spring 1504 moving through the framework being connected to driving mechanism 98 that ancon element is used for cut-off breaker 1 guides.

Protection and/or control unit 99 are preferably the electronic relay of requirement function and structure more or less some complexity according to application.

Such as, can adopt and can provide minimum but the protection of the simplification of enough protections of level and/or control unit 99.Such device is so-called for " ELECTRONIC COVER " and form be not in the art by likewise known (being therefore described in detail), that the electrode 13 and 14 of this device docking proximal pole 20A, 20B and 20C is laid, be suitable for intervening driving mechanism 98 and carry out electronic simulation with the effect of the magnetic brake of cut-off breaker 1 under the short-circuit conditions of danger.

In this way, take the configuration of the cutter being equipped with specific protected location according to switching device of the present utility model, the configuration of this cutter is different from the configuration that cutter well known in the prior art occurs usually.

But; be clear that; as the normal conditions of the self-action circuit breaker 1 as illustrated in institute's quoted figures, protection and/or control unit 99 device of instruction (that is, be equipped with the palp outside of user to regulate and) can be adopted to replace simple " ELECTRONIC COVER ".

Especially with reference to Figure 14, the user interface of protection and/or control unit 99 can be panel 991, and this panel 991 comprises the multiple adjusting rods 992 being commonly referred to " thumb-acting switch ", and operator can regulate protection and/or control unit 99 with this adjusting rod 922.

With reference to the protection shown in Figure 15 and/or control unit 99, it is simply visual and select the menu of self-shield and/or control unit 99, function, parameter and input or output the display 993 of data that user interface can comprise permission.

Display 993 can generate screen according to graph reduction visual form, all function menus as illustrated in figure 16.Alternately, display 993 can generate screen by the visual pattern more complicated and meticulous according to figure, all screens as shown in Figure 17, in this screen, shows the various instructions of electrical quantity measured in function menu and circuit breaker 1; Such as Figure 18 illustrate in more detail the information of measured voltage and current on display 993, wherein, and the graphic rendition adopted analogue instrument.

In order to reserve greater functionality and possibility to user, such as, about adjustment protection and/or control unit 99, display 993 will be preferably " touch-screen ".

Except display 993, the user interface of protection and/or control unit 99 can also comprise one or more communication port 994, such as USB formula connector (" USB ").

By means of previously described transducer 700 realize for the protection of and/or the electric power supply of control unit 99 and the necessary detection to electric current of such as short-circuit detecting measure.Alternately, for the protection of and/or the electric power supply of control unit 99 can by assist or external source is supplied.

In fact, protection and/or control unit 99 operates electrical quantity analysis to some such as detection by transducer 700, and when fault or malfunctioning to protect and/or the tripping coil of control unit 99 sends signal to being connected to.Protection and/or control unit 99 can preferably operatively communicate with the processing unit of the such as computer of circuit breaker 1 outside.In this external unit, programming can be used as by being provided with, load data and the software of instrument from protection and/or control unit 99 downloading data to protection and/or control unit 99.

With reference to figure 5 to Fig. 6, auxiliary equipment 91A to 91D operatively can locate according to " instant inserted and instant using type " or " click type " device in corresponding seat 231A, 231B, 232A and 232B of shell 2.This restriction means that auxiliary equipment 91A, 91B, 91C and 91D easily can install simply by they being placed in aforementioned seat 231A, 231B, 232A and 232B, and does not need extra electrical connection or mechanical connection.

For this reason, releasing device 91D preferably includes the first setting edge 901 and the first electrical contact 902, first setting edge 901 is intended to formalize with formed in the wall of corresponding seat 232B corresponding second edge 2321 mechanical attachment (by inserting mutually or snap fit), and the first electrical contact 902 is intended to electrically connect with corresponding second electrical contact 2322 being positioned at corresponding seat 232B according to plug/socket formula or socket formula.

Similarly, auxiliary contact 91B comprise the 3rd setting edge 903 and electrical connector the 904, three formalize edge 903 be intended to formalize with the corresponding 4th of the wall being positioned at seat 231B the edge 2311 mechanical attachment (by inserting mutually or snap fit).

In order to easily be arranged in its relevant seat 231A, spring loading motor 91A can advantageously comprise attachment pegs 905 and setting connection part section 906, wherein, this attachment pegs 905 is intended to mechanically insert (snap-in) in the central bracket 2313 being positioned at corresponding accommodating seat 231A, this setting connecting portion section 906 is intended to mechanically be linked together by means of the supporting walls 2313 of suitable fixture (such as, screw) with the accommodating seat defining motor 91A.

One end of the spring loading axle 390 of driving mechanism 98 is outstanding in the accommodating seat 231A of motor 91A to be connected with motor 91A in the mode corresponding with a setting wall in the setting wall 907 of motor 91A so that this spring is loaded axle 390.

Referring to figs. 1 to Fig. 6, the antetheca 3 of circuit breaker 1 comprises the first setting portion 31 and the second setting portion 32 of setting portion 32, second and is suitable for surrounding the accommodation space limited by portion's section 22 and 23 of housing 2 respectively at its antetheca 3 place.

This setting portion 31 can mechanically be separated each other with 32.

This setting portion 31,32 preferably mechanical attachment each other, makes only to remove setting portion 31 from antetheca 3 after removing setting portion 32.

This setting portion 31 realizes preferably by cover 31; Cover 31 can be connected to by means of known fixture the structure member be associated with driving mechanism 98 removably.Cover 31 such as can be connected to the supporting bracket 909 shown in Fig. 3.

Cover 31 comprises the first opening 51, and this first opening 51 is suitable for allowing directly touching manual control lever 97 and locates accommodation space within it.Without the need to removing any parts of antetheca 3, operator just can easily manual lever 97.

Cover 31 comprises the second aperture 52, this second aperture 52 is suitable for the order button 1500 and 1501 of the accommodating driving mechanism 98 of mode of any parts not needing to remove antetheca 3, and button 1500 and 1501 can protrude from antetheca 3 and these buttons can be operated by operator.

Other second apertures 52 are suitable for the signaling device 530 and 960 of accommodating driving mechanism 98, making any parts without the need to removing antetheca 3, just can see these signaling devices from the outside of circuit breaker 1 in front end.

Setting portion 32 comprises: the setting framework 325 at least partially defining the edge of antetheca 3 and the first closure panel 321 and the second closure panel 322 being connected to this setting framework 325 securely.

Closure panel 321,322 is arranged to close the accommodation space limited by seat 231A, 231B, 232A and 232B of portion's section 23 of housing 2 respectively.

Setting portion 32 thus constitute the enclosed construction that can be connected to antetheca 3 by means of known fixture (such as by means of screw or locking, snap-in or similar mechanical connection mutually) removably.

Setting framework 325 and closure panel 321,322 are arranged to define opening 324, and the cover 31 of antetheca 3 is positioned at this opening 324 when this cover 31 is in its normal operating position.

Bottom and the corresponding flank mechanical attachment of bottom being positioned at cover 31 of setting framework 325, make only to remove this cover 31 from antetheca 3 after removing the framework 325 that formalizes.

Second setting portion 32 of antetheca 3 comprises the 3rd closure panel the 323, three closure panel 323 and can be connected to setting framework 325 by means of known fixture (such as by means of screw or insert, snap-in or similar mechanical connection) removably.

Closure panel 323 is advantageously arranged to the accommodation space closed and limited by portion's section 24 of housing 2.

With reference to figure 2, when protection and/or control unit 99 are contained in the accommodation space limited by portion's section 24, then can access this protection and/or control unit 99 by means of the opening 326 limited by cover 31, closure panel 321,322 and setting framework 325.

Opening 326 is blocked by this closure panel 323 when closure panel 323 is operatively connected to setting framework 325.Closure panel 323 can be arranged to the user interface device of an overfill protection and/or control unit 99.

Preferably, in order to remain in its operating position by one or more in auxiliary equipment 91A, 91B, 91C and 91D, one or more restriction cover 96 operatively can be associated with accommodating seat 231A, 231B, 232A and 232B.Such as, in Fig. 3 to Fig. 5, restriction cover 96 and the seat 232B being intended to accommodating releasing device 91D with can the latched position of releasing device 91D with between off-position backward and the mode moved forward operationally be associated.On restriction cover 96, preferably have and limit instruction, such as word instruction, to identify the type of the releasing device 91D be contained in corresponding seat 232B.

As envisaged, the antetheca 3 of housing 2 advantageously comprises modular structure, and these those accommodation spaces allowing operator not intend to touch are isolated, thus safety standard is significantly improved.

Referring to figs. 1 to Fig. 5, corresponding to the upper wall 8 of housing 2, the upper wall 8 between the block particularly formed at pole 20A, 20B and 20C and protection and/or control unit 99 defines the first electric terminal plate 801 (" terminal board ").

Protection and/or control unit 99 and/or various auxiliary equipment 91A to 91D can be electrically connected to terminal board 801; they by means of the device swap data of terminal board 801 and circuit breaker 1 outside and/or signal and/or order, and/or can be powered by independent power supply.

With reference to Figure 22, when detachable circuit breaker 1, the upper wall 1004 corresponding to housing 1000 limits the second electric terminal plate 1100.When housing 2 inserts in housing 1000, the second terminal board 1100 can be electrically connected to first end daughter board 801.Especially, sliding contact 802 is associated with first end daughter board 801 and gives prominence to from this first end daughter board 801; Sliding contact 802 to be suitable for being inserted between the corresponding sliding contact (invisible in fig. 22) that is associated to the second terminal board 1100 and to be suitable for being connected to this corresponding sliding contact.

Be contained in process in housing 2 and/or control unit 99 and associate member 91A to 91D thus the various device that can operatively be electrically connected to outside housing 2 and/or unit be electrically connected to the second terminal board 1100.

Such as, the second terminal board 1100 defines multiple recesses 1101 of the housing 2 for auxiliary equipment to be mounted to multiple circuit breaker 1 from outside.Especially, these associate members and respective recess 1101 are arranged on the second terminal board 1100 accordingly, and each associate member preferably includes the control electronic unit of himself.

Especially, one or more recess arrangement in recess 1101 becomes to hold the assembly 400 of auxiliary equipment, (hereinafter referred to as " assembly 400 "), this assembly 400 constitutes the individual module of auxiliary equipment (hereinafter referred to as " associate member ").

Such as, with reference to Figure 23 to Figure 26, assembly 400 comprises the first associate member 400A, the second associate member 400B, the 3rd associate member 400C and the 4th associate member 400D.

The insulation crust 402A at least with lower surface 4100A, top surface 4200A and side surface 4300A is comprised with reference to Figure 24 to Figure 25, associate member 400A.Auxiliary equipment 400B, 400C and each in 400D also comprise himself insulation crust 402B, 402C and the 402D with at least one pair of relative side surface 4100B-4300B, 4100C-4300C and 4100D-4300D.

Especially, the surperficial 4100B of associate member 400B is attached to the surperficial 4300A of associate member 400A by means of the interaction between corresponding mechanical device 440A and 440B, the surperficial 4100C of associate member 400C is mechanically attached to the surperficial 4300B of associate member 400B by means of the interaction between corresponding mechanical device 460B and 440C, and the surperficial 4100D of associate member 400D is mechanically attached to the surperficial 4300C of associate member 400C by means of the interaction between corresponding device 460C and 440D.

Associate member 400A comprises mechanical connecting device 450A, and mechanical connecting device 450A corresponds to lower surface 4100A and limits, thus to the corresponding mechanical connecting device mechanical attachment limited corresponding to seat 1101.Associate member 400A is also included in the safety device 490 that seat 1101 place mechanically blocks this associate member 400A.Associate member 400A comprises arrangements of electric connection 410A and 420A of preferably plug or jack type.In Figure 23 to Figure 26, illustrative arrangements of electric connection 410A, 420A are such as female types.

Especially, arrangements of electric connection 420A to be positioned on upper surface 4200A to allow to be electrically connected to element or the parts of assembly 400 and circuit breaker 1 outside, such as, be connected to the device of communication or distribution mains.

Arrangements of electric connection 420A comprises the contact for realizing electrical bus, and auxiliary equipment 400A can receive external power by means of this electrical bus.Arrangements of electric connection 420A also comprises the communication contacts of the communication bus for realizing such as CAN (" control area net（CAN） ") bus, and auxiliary equipment 400A can by means of this communication contacts at the outside swap data of assembly 400 and circuit breaker 1 and/or signal.

Arrangements of electric connection 410A is positioned on lower surface 4100A, to allow the second terminal board 1100 being electrically connected to circuit breaker 1; These devices 410A comprises the communication contacts of the communication bus for realizing such as CAN, auxiliary equipment 400A can by means of this communication contacts be electrically connected to the protection of first end daughter board 801 and/or control unit 99 and/or auxiliary equipment 91A to 91D swap data and/or signal.

Arrangements of electric connection 410A also comprises the contact for realizing power bus, auxiliary equipment 400A can by means of this power bus to utilize in the input of arrangements of electric connection 420A can electric power to element (in such as protection and/or control unit 99 or auxiliary equipment 91A to 91D the one or more) power supply being connected to first end daughter board 801 of housing 2 inside.

Each in associate member 400A, 400B, 400C and 400D include limit according to plug or socket connection type arrangements of electric connection 430A, 410B and 430B, 410C and 430C and 410D and 430D, to allow to be connected to each other with the arrangements of electric connection of other auxiliary equipments of assembly 400.

Such as, with reference to Figure 24 to Figure 25, the arrangements of electric connection 430A based on socket is limited on the surperficial 4300A of associate member 400A, to be connected to the arrangements of electric connection 410B based on plug limited on the surperficial 4100B of associate member 400B; Arrangements of electric connection 430B based on socket is limited on surperficial 4300B, to be connected to the arrangements of electric connection based on plug limited on the surperficial 4100C of associate member 400C; Arrangements of electric connection 430C based on socket is limited on surperficial 4300C, to be connected to the arrangements of electric connection 410D based on plug limited on the surperficial 4100D of associate member 400D.

The electrical connection realized that is coupled to each other by their arrangements of electric connection 430A-410B, 430B-410C and 430C-410D between associate member 400A, 400B, 400C and 400D is configured to achieve power bus, and associate member 400A can power to other associate members 400B, 400C and 400D by being used in the power supply input at its arrangements of electric connection 420A place by means of this power bus.

In addition, electrical connection between associate member 400A, 400B, 400C and 400D is configured to achieve the communication bus of such as CAN, and associate member 400A, 400B, 400C and 400D can by means of this communication bus at the swapping data of these associate members and/or signals.

With reference to Figure 23 to Figure 25, each in associate member 400B, 400C and 400D includes additional electrical jockey 420B, 420C and 420D of plug or the socket type limited corresponding to the respective surfaces 4200B in respective housings 402B, 402C and 402D, 4200C and 4200D.This arrangements of electric connection 420B, 420C and 420D are suitable for being connected to the communication bus outside assembly 400 and circuit breaker 1, such as Ethernet, network communication protocol (MODBUS), fieldbus (PROFIBUS), communication protocol bus, each in associate member 400B, 400C and 400D all can by means of this communication bus and external device (ED) swap data and/or signal.

As illustrated in such as in Figure 23 to Figure 25, one or more in associate member 400A, 400B, 400C and 400D can comprise the corresponding visual signal issue device 480 of such as LED, visually to indicate its state.

One or more in associate member 400B, 400C and 400D can be included in microswitch not visible in Figure 23 to Figure 26, this microswitch is suitable for being operatively connected to drive member 98 accommodating in housing 2, makes this microswitch can send the disconnection of circuit breaker 1 or the signal of closure state in the insertion position of housing 1000 outside.

In addition, one or more in associate member 400B, 400C and 400D can comprise manually operated switch lever 470 (" thumb-acting switch 470).

It is particularly advantageous for being combined with the second terminal board 1100 by described assembly 400 (or have the auxiliary equipment of electronic capability).

Particularly, any intervention that the taking-up operation of taking out housing 2 from housing 1000 does not need for assembly 400, assembly 400 keeps being connected to the second terminal board 1100, thus can continuous reception electric power and can swap data and/or external signal.

This means, associate member 400A to 400D can continue process and/or remain on to take out institute before housing 2 from shell 1000 and obtain and the data stored, information and the configuration data that process, such as, protect and/or the configuration data of control unit 99.

When shell 2 is inserted into housing 1000 again, these data, information and configure auto-available.

Claims (14)

1. the electrical switchgear for low voltage circuit (1), it is characterized in that, described electrical switchgear (1) comprises main casing (2), and described main casing (2) has:

-the first section (21), described first section (21) defines the first accommodation space for one or more electrode (20A, 20B, 20C), and each electrode in described electrode includes at least one that can be coupled to each other and/or disconnect connection and determines contact (60) and corresponding moving contact (70);

-the second section (22), described second section (22) defines the second accommodation space of the driving mechanism (98) for being operatively connected to driving shaft (53), described driving shaft (53) is operatively connected to the moving contact (70) of each electrode (20A, 20B, 20C), corresponding determine contact (60) to be attached to by described moving contact and/or determines contact (60) and disconnect with corresponding and connecting;

-three sections (23), described 3rd section (23) defines the 3rd accommodation space of the one or more auxiliary equipments (91A, 91B, 91C, 91D) for described switching device; And

-four sections (24), described 4th section (24) defines the 4th accommodation space of protection for described switching device and/or control unit (99);

Wherein, described switching device comprises the bracing or strutting arrangement (600) for described driving shaft (53), described bracing or strutting arrangement (600) is the mode of movement can be connected to the wall (6) of described main casing (2), described driving shaft (53) is operatively attached to described bracing or strutting arrangement (600), to rotate around rotation (601) relative to described wall (6) and described bracing or strutting arrangement (600), and wherein, described switching device also comprises at least regulating described driving shaft (53) relative to the device (620) of the position of described wall (6).

2. electrical switchgear according to claim 1 (1), it is characterized in that, described bracing or strutting arrangement (600) also comprises resilience-proof device (630), and described resilience-proof device (630) is configured at described moving contact (70) mobile to determine coordinate with described driving shaft (53) when contact (60) is separated and prevent described moving contact (70) from determining contact (60) resilience towards corresponding with corresponding.

3. electrical switchgear according to claim 1 (1), it is characterized in that, the device (620) for regulating is configured to regulate described driving shaft (53) and described bracing or strutting arrangement (600) relative to the position of described wall (6) simultaneously.

4. electrical switchgear according to claim 1 (1), it is characterized in that, described main casing (2) comprises antetheca (3), described antetheca (3) has at least one the first setting portion (31) being suitable for closing the accommodation space limited by described second section (22) and the second setting portion (32) being suitable for closing the accommodation space limited by described 3rd section (23) and described 4th section (24), and described first setting portion (31) can mechanically be separated each other with described second setting portion (32).

5. electrical switchgear according to claim 4 (1), it is characterized in that, described 3rd section (23) comprises the first seat (231A, 231B) and second seat (232A, 232B), described first seat (231A, 231B) and described second seat (232A, 232B) respectively define more than first the 3rd accommodation spaces for described auxiliary equipment (91A, 91B, 91C, 91D) and more than second the 3rd accommodation spaces, and described second setting portion (32) comprising:

-setting framework (325), described setting framework (325) at least partially defines the edge of described antetheca (3);

-the first closure panel (321) and the second closure panel (322), described first closure panel (321) and described second closure panel (322) are connected to described setting framework (325) securely and are suitable for closing the 3rd accommodation space limited by described first seat (231A, 231B) and described second seat (232A, 232B) respectively; And

-three closure panel (323), described 3rd closure panel (323) is connected to described setting framework (325) removably and is suitable for closed described 4th accommodation space.

6. electrical switchgear according to claim 5 (1), it is characterized in that, one or more restriction cover (96) is operatively associated with one or more in the one or more and/or described second seat (232A, 232B) in described first seat (231A, 231B), thus makes the one or more auxiliary equipment holding positions in described auxiliary equipment (91A, 91B, 91C, 91D).

7. electrical switchgear according to claim 1 (1), it is characterized in that, the one or more auxiliary equipments in described auxiliary equipment (91A, 91B, 91C, 91D) are operatively positioned in described 3rd accommodation space with " instant inserted and instant using type " or " click type " mounting means.

8. electrical switchgear according to claim 1 (1), it is characterized in that, each electrode in described electrode (20A, 20B, 20C) includes shell (30), and described shell (30) is formed by two and half shells (30A, 30B) be linked together and at least accommodating described moving contact (70) determining contact (60) and correspondence.

9. electrical switchgear according to claim 8 (1), it is characterized in that, at each electrode (20A, 20B, the seat (240) of accommodating transducer (700) is all limited with in shell (30) 20C), described transducer (700) comprises first magnetic circuit (710) of closed path, secondary winding (712) and the second magnetic circuit (720), described first magnetic circuit (710) is suitable for around described electrode (20A, 20B, leading body (14) 20C), described secondary winding (712) has the part in described first magnetic circuit at its core core place, described second magnetic circuit (720) is structurally separated with described first magnetic circuit and is operatively associated, thus being absorbed pro rata by the value of described second magnetic circuit and described electric current self at least partially of the main magnetic flux that the electric current circulated in described leading body is produced in described first magnetic circuit.

10. electrical switchgear according to claim 8 (1), it is characterized in that, the shell (30) of each electrode (20A, 20B, 20C) also comprises arc chamber (80), described arc chamber (80) comprises setting body (82), in described setting body (82), multiple run-on tab (81) is positioned together and is provided with gasification materials element (85).

11. electrical switchgears according to claim 1 (1), is characterized in that, described driving mechanism (98) at least comprises:

-kinematic chain, described kinematic chain has the multiple elements be operatively associated with each other, described kinematic chain is operatively connected to described driving shaft (53), rotates around the rotation (601) of described driving shaft to make described driving shaft;

-framework (310), described framework (310) is suitable for supporting at least described kinematic chain; And

-one or more flexible member (380), the rotation be suitable for by means of described driving shaft of described one or more flexible member (380) provides to described kinematic chain and the moving contact of each electrode (20A, 20B, 20C) (70) is attached to corresponding determining contact (60) and/or disconnect the energy needed for connecting with corresponding contact (60) of determining;

The described element of described kinematic chain is operatively connected to each other by pin connection device and/or is connected to described framework.

12. electrical switchgears according to claim 1 (1); it is characterized in that; described electrical switchgear (1) comprises the first electric terminal plate (810), and described first electric terminal plate (810) is electrically connected at least one in described protection and/or control unit (99) and/or described one or more auxiliary equipment (91A, 91B, 91C, 91D).

13. electrical switchgears according to claim 12 (1), it is characterized in that, described electrical switchgear (1) comprises additional support housing (1000), described main casing (2) can insert described additional support housing (1000) and/or can take out from described additional support housing (1000), described additional support housing comprises the second electric terminal plate (1100), described second electric terminal plate (1100) can be operatively connected to described first electric terminal plate (801) when described main casing (2) insert in described additional support housing (1000).

14. electrical switchgears according to claim 13 (1), it is characterized in that, auxiliary equipment (400A, 400B, 400C, assembly (400) 400D) is connected to described second electric terminal plate (1100) and at least comprises the first auxiliary equipment (400a), described first auxiliary equipment (400a) has the first arrangements of electric connection (410A), second arrangements of electric connection (420A) and the 3rd arrangements of electric connection (430A), described first arrangements of electric connection (410A) is suitable for being electrically connected to described second electric terminal plate (1100), described second arrangements of electric connection (420A) is suitable for being electrically connected to the outside corresponding intrument of described switching device (1), described 3rd arrangements of electric connection (430A) is suitable for being electrically connected to the second auxiliary equipment (400B) belonging to described assembly (400).