CN103545153B - Protection switch device and yoke - Google Patents

Protection switch device and yoke Download PDF

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Publication number
CN103545153B
CN103545153B CN201310292736.6A CN201310292736A CN103545153B CN 103545153 B CN103545153 B CN 103545153B CN 201310292736 A CN201310292736 A CN 201310292736A CN 103545153 B CN103545153 B CN 103545153B
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China
Prior art keywords
parts
electric arc
switch device
contact
protection switch
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CN201310292736.6A
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CN103545153A (en
Inventor
T.里格
W.菲尔林
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Siemens AG
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Siemens AG
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/36Stationary parts of magnetic circuit, e.g. yoke
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02Details
    • H01H73/18Means for extinguishing or suppressing arc
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • 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
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/24Electromagnetic mechanisms
    • H01H2071/249Electromagnetic mechanisms with part of the magnetic circuit being in the normal current path in the circuit breaker, e.g. yoke, fixed contact and arc-runner are made out of one single conductive element

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)

Abstract

The present invention relates to a kind of protection switch device, especially breakers, and with input adapter and out splice going splice, these described connectors are configured to touch together with electric wiring leads to the protection switch device.The protection switch device also has switch contact; the fixation that there is the switch contact position to be fixedly arranged touches parts and relative to its moveable mobile tactile parts; the tactile parts are constructed so as to, so as to form electric arc between parts are touched in the movement and parts are touched in the fixation when conductive switch contact is disconnected.Here, the switch contact is conductively connected by current path and the input adapter and the out splice going splice.The current path has a conductive section, the conductive section be constructed so as to and with the electric arc collective effect, so as to form the electromagnetic field of generation, the electromagnetic field interacts with the electric arc, so as to drive the electric arc far from the switch contact.The present invention significantly improves breaking capacity and the service life of protection switch device.

Description

Protection switch device and yoke
Technical field
The present invention relates to a kind of protection switch device, especially breaker, with input adapter and out splice going splice, institute It states input adapter and out splice going splice and is configured to touch together with electric wiring and lead to the protection switch device, the protection switch dress Putting also has switch contact, and the fixation that there is the switch contact position to be fixedly arranged touches parts and relative to the fixation Parts movably mobile tactile parts are touched, the tactile parts are constructed so as to, thus when conductive switch contact is disconnected described Mobile tactile parts and the fixation form electric arc between touching parts, wherein the switch contact passes through current path and the input Connector and the out splice going splice are conductively connected.
Background technology
Different protection switch devices is disclosed in the prior art:Breaker is designed exclusively for high current.Open circuit Device(So-called LS-Schalter)It is a kind of overcurrent protection applied to electronic equipment and is applied especially to low tension Net field.Power switch and breaker ensure safety cut-off during short circuit, and protect load and electrical equipment from overloading, Such as protection circuit from the excessive degree caused by the super-high-current heating and caused by damage.Power switch and breaker Especially as switch element and security element application in electric energy supply network and for the monitoring and guarantee of current loop.
For this purpose, protection switch device is conductively connected by the electric wiring of two connection terminals and current loop to be monitored It connects, with the interruptive current in respective lines when needed.There is switch contact, the switch contact tool in this protection switch device There is the fixation that position is fixedly arranged to touch parts and touch parts movably mobile tactile parts relative to the fixation.The shifting Dynamic tactile parts can be operated herein by the switching mechanism of protection switch device so that switch contact can disconnect and It is closed.In this way, when there is prespecified state, such as short circuit or overload, switch contact disconnects, so that by The current loop of monitoring and power grid separate.This protection switch device is also disclosed as being installed in series in the field of low-voltage technology Equipment.
If switch contact disconnects at the time of electric current flows through switch contact, lead to when switch contact is disconnected in fixed touch The movement of part and separation forms electric arc between touching parts.In order to eliminate these electric arcs, it is so-called that conventional protection switch device has Explosion chamber, the explosion chamber have it is multiple parallel arrangement and spaced muffler.If electric arc is driven to enter In explosion chamber, then the electric arc can be divided into multiple points of electric arcs when encountering the muffler, described to divide the electric arc then company of series connection Ground connection is burnt between single muffler.What multiple sequences were continuously electrically connected divides electric arc to together form higher arc voltage, this Electric arc has been subsequently resulted in quickly to extinguish.
The electric arc generated between fixed tactile parts and mobile tactile parts can lead to so-called contact burning herein, i.e., fixed It touches parts and mobile tactile parts will appear spillage of material, this eventually results in the damage of protection switch device, because of the contact Scaling loss can cause resistance to improve when switch contact is closed, has electric current to flow through.It should drive as quickly as possible for this reason Electric arc is entered from voltage contact area in explosion chamber.Conventional protection switch device has a so-called guide rail thus, the guide rail with One end of electric arc-explosion chamber is conductively connected.The other end of electric arc-explosion chamber touches parts conductively by fixed feeler with fixed Connection.It arranges that the guide rail to move when switch contact disconnects herein and touches parts adjacent to the guide rail.Break in switch contact Electric arc is always more long when opening, and thus increases arc voltage.Electric arc can be skipped to from mobile tactile parts from a determining arc voltage On guide rail, electric arc is fixed in fixed tactile parts between feeler and guide rail and converts and burn in other words since then.By fixed feeler with And the suitable geometry design of guide rail, electric arc are directed to electric arc-explosion chamber.
In order to which electric arc is driven quickly to enter in electric arc-explosion chamber, some protection switch devices additionally have so-called Blow-out circuit(Blasschleife).It is a kind of coil herein, is so electrically connected the coil, so that it is only in electric arc quilt It is just powered when being transformed on guide rail, to be limited in the energy loss of protection switch device in energization operation.It is arranged so as to institute herein Blow-out circuit is stated, so as to orient the electromagnetic field of generation so that give electric arc apply long-range navigation magnetic force, the long-range navigation magnetic force towards electric arc- Explosion chamber pushes electric arc.This protection switch device is for example by patent document DE 28 41 004 or by open source literature DE 33 33 792 A1 are disclosed.
Invention content
The task of the present invention is provide a kind of protection switch device, it is characterised in that smaller contact consume and therefrom The service life of raising and improved breaking capacity(Schaltleistung).
The task passes through the protection switch device according to the present invention according to independent claims and according to the present invention Yoke is addressed.Advantageous technical solution is the theme of dependent claims.
Protection switch device, especially breaker according to the present invention, it is described with input adapter and out splice going splice Input adapter and out splice going splice are configured to touch together with electric wiring leads to the protection switch device.The protection switch device Also there is switch contact, the fixation that there is the switch contact position to be fixedly arranged is touched parts and touched relative to the fixation Parts are movably mobile to touch parts, is constructed so as to the tactile parts, thus when conductive switch contact is disconnected in the shifting Dynamic tactile parts and the fixation form electric arc between touching parts.Switch contact described herein is connect by current path and the input Head and the out splice going splice are conductively connected.The current path have conductive section, the conductive section be constructed so as to and With the electric arc collective effect, so as to form the electromagnetic field of generation, the electromagnetic field interacts with the electric arc, so as to drive The electric arc is far from the switch contact.
If electric current flows through switch contact, far from fixed tactile parts when switch contact disconnects, in mobile tactile parts When generate electric arc.Electric current inside protection switch device is oriented to fixed tactile parts, and close in switch contact from input adapter The current path of parts guiding out splice going splice is touched during conjunction from the movement conductively connected with fixed tactile parts, in the area of switch contact There is conductive section in the region in domain, being namely directly adjacent to.Therefore the conductive section is current path in switch contact Region in section, or wherein the section can be arranged in the first area of current path, i.e. input adapter and solid Surely between tactile parts or it can be arranged in the second area of current path, that is, move and touch between parts and out splice going splice.It is former Then above it is also possible that corresponding conductive section had both been arranged and also has been disposed in second area in the first region.
If electric current flows through electric conductor, electromagnetic field is thus generated.In this geometrical construction conductive section, thus in galvanization In the state of generate electromagnetic field, be oriented so as to the electromagnetic field, so as to as defined in applying to electric arc, so-called long-range navigation magnetic force.Cause It is current flux, therefore long-range navigation magnetic force is applied to electricity again in the following manner for even if it is similary not connect electric arc with electric wiring On arc, i.e., so that the region of voltage contact area of the electric arc far from switch contact, i.e. fixed contact and mobile contact.In this way Electric arc can quickly be driven to enter in the explosion chamber of protection switch device and extinguished there.Thus significantly improve with It is generated from electric arc up to the duration of arc extinction relevant breaking capacity.In addition, by making electric arc only in fixed tactile parts It burns relatively briefly between mobile tactile parts, significantly reduces thus caused fixation and touch in parts and mobile tactile parts Material scaling loss, this promotes the service life for significantly improving protection switch device.In addition, thus contact material necessary to contact members is also few , so as to quite compactly construct switch contact and and then establishing protective switching device.
It is advantageously improved in scheme in one kind of protection switch device, is constructed so as to conductive section, so that described lead Parts are touched in the movement and the fixation is touched the electric arc that burns between parts and formed substantially at the time of electric section and contact disconnect The conduct current portion of upper U-shaped.
At the time of disconnection from contact at the time of electric arc is transformed into from mobile tactile parts on the guide rail of protection switch device, Electric arc burns between fixed tactile parts and mobile tactile parts.Substantially U-shaped conduct current is formed in the time range Portion, the electric arc that the conduct current portion is connected by the first side leg that the conductive section by connection is formed with by logicalnot circuit The the second side leg formed collectively constitutes.Two side legs described herein are antiparallel, it is still again square each other to be substantially parallel to each other To opposite orientation galvanization.Conductive section is arranged in the first area of current path herein, i.e. input adapter and fixation touches It is constructed so as between parts and in structure, i.e. the electric current of the fixed tactile parts of flow direction has the trend of U-shaped.In an advantageous manner, Conductive section is spatially located in relative proximity herein on switch contact and and then be located in switch contact disconnect when On the electric arc of formation, acted on obtaining power as big as possible on electric arc.Cutout can further be improved in this way to hold Amount.
It is advantageously improved in scheme in another kind, protection switch device has magnetic triggering system, the magnetic triggering system System is conductively connected with input adapter by coil and with the push rod movably supported relative to coil.The push rod exists It is directly and/or indirectly acted on switch contact under short-circuit conditions, with by the way that mobile tactile parts is made to draw far from fixed tactile parts Play the disconnection of switch contact.The magnetism triggering system has yoke thus, makes coil and fixed tactile parts by the yoke Conductively connected, wherein conductive section is configured to a part for yoke.
It is provided with magnet exciting coil and relative to the magnetic triggering system of push rod that the magnet exciting coil movably supports It is used to implement the scheme further expanded triggered in case of a short circuit in the region of protection switch device.
If short circuit current flows through, the short circuit current flowing through coil, so that the armature being connect with push rod is by line Circle attracts.In push rod impact simultaneously to mobile tactile parts or to the mobile contact that parts mechanical connection is touched with the movement On stent, so as to make it away from mobile tactile parts, to prevent described two contact members from welding.In addition pass through the motion triggers of push rod The switching mechanism of protection switch device, from there through the movement with switching mechanism mechanical couplings touch parts it is similary disconnect switch touch Head.
Make coil and mobile tactile parts conductively connected by yoke.Therefore the yoke is the first area of current path It is inside arranged to closest to the part of mobile tactile parts.The region is constructed so as in this structure so that passes through yoke from coil The current trend for flowing to fixed tactile parts is U-shaped.In this way by the current trend in the region of conductive section substantially It is oppositely oriented with the current trend that flows through electric arc.If conductive section is spatially located in relative proximity switch and touches herein On head and and then be located in when switch contact disconnects on the electric arc that is formed, then can thus be obtained on electric arc as big as possible Power acts on.
It is advantageously improved in scheme in the another kind of protection switch device, yoke bifurcated ground structure in the region of conductive section It makes and has herein there are two side leg, parts and mobile contact stent are touched at least partly so as to be moved when switch contact is closed It is arranged between two side legs of conductive section.
Conductive section is spatially arranged to the direct neighbour of the electric arc formed when switch contact disconnects in this way In near region.Therefore the electromagnetic field generated with electric arc collective effect has considerably higher field strength, thus again will be significantly larger Power be applied on electric arc, so as to drive electric arc quickly from voltage contact area towards explosion chamber move.Thus it further improves The breaking capacity of protection switch device.
It is advantageously improved in scheme in the another kind of protection switch device, mobile tactile parts are arranged in the shifting of rotatable bearing On moving contact rack, wherein the conductive section is a part for the mobile contact stent.
It substitutes conductive section construction in the first area of current path, additionally it is possible to construct in the secondth area of current path In domain, i.e. from mobile tactile path of the parts to out splice going splice.It is constructed so as in second area relative to construction exist herein Can either be alternative solution in first area can be additional aspects again.Herein it is also important that conductive section spatially phase To be neighboringly arranged on switch contact and and then be arranged on the electric arc formed when switch contact disconnects, so as to fulfill effect Power effect as big as possible on to electric arc.Breaking capacity is further improved in this way.
It is advantageously improved in scheme in the another kind of protection switch device, the conductive section and the mobile contact stent Rotatably or flexibly connect.In order to obtain power effect as well as possible on electric arc, in the second area of current path The conductive section rotatable movement of interior construction or at least flexibly connect with mobile contact stent.In this way can Optimize conductive section to the geometry of electric arc during the disconnection movement of mobile contact stent.
Be advantageously improved in scheme in the another kind of protection switch device, conductive section relative to protection switch device shell Body position regularly supports.The installation that protection switch device simplifies is ensured in this way.
Structure of magnetic yoke according to the present invention is in the protection switch device of the above-mentioned type.
Yoke according to the present invention sets the magnetism for being mounted on electic protection switching device, especially breaker herein In triggering system.The yoke has first area, and the first area constructs by the trigger winding of magnetic triggering system and uses Lead to yoke in conductively touching.This outer yoke also has second area, and the second area is touched by the switch of protection switch device The fixation of head touches parts and is configured to conductively touch logical yoke.Electric arc is generated when the switch contact of energization disconnects herein, it is described It touches parts in fixation in the first stage that electric arc first, is i.e. generated in electric arc and touches parts relative to the fixation and movably move It burns between dynamic tactile parts.The such geometrical construction of yoke according to the present invention herein, so that in the energized state, the secondth area Substantial reverse is parallelly at least partly relative to the current flux of electric arc is flowed through for current flux in domain(gegengleich) Orientation.The second area and the collective effect of electric arc flowed through by electric current generates electromagnetic field, and the field wire of the electromagnetic field is in electricity It is oriented so as in the region of arc so that be arranged so as to power, i.e. so-called long-range navigation magnetic force, the power as defined in electric arc application Electric arc leaves voltage contact area, i.e. fixed contact and the mobile contact of switch contact.Electric arc can be driven faster in this way Ground is entered in the explosion chamber of protection switch device and is extinguished there.Thus it significantly improves with being generated from electric arc up to electricity The duration relevant breaking capacity that expulsion of arc goes out.
Description of the drawings
The embodiment of the protection switch device is elaborated by attached drawing below.Wherein:
Figure 1A and 1B shows the schematic diagram of the switch contact of the protection switch device under various states;
Fig. 2A and 2B shows the schematic diagram of the magnetic triggering system of protection switch device with a variety of views;
Fig. 3 shows the schematic diagram of the yoke of magnetic triggering system.
Reference numerals list
1 protection switch device
4 fix tactile parts
Parts are touched in 5 movements
6 mobile contact stents
7 explosion chambers
8 guide rails
9 electric arcs
10 magnetic triggering systems
11 connection circuits
12 magnet exciting coils
20 yokes
21 connecting elements
22 fixed contact stents
23 feelers
24 conductive sections
25 field elements
26 openings
27 explosion chamber's plates
D rotation axis
F power
I electric currents/current flux.
Identical component is always labeled with identical reference numeral in different attached drawing diagrams.This label is suitable for institute Some attached drawing diagrams equally may recognize that corresponding component in all attached drawing diagrams.
Specific embodiment
It is shown schematically in the switch contact of the protection switch device 1 under a variety of on off states in figs. 1 a and 1b.Institute Stating switch contact has fixed tactile parts 4 and touches parts movably mobile tactile parts 5 relative to the fixation.Mobile touch is led to Part 5 is mounted on the mobile contact stent 6 in the housing that can be rotated to support on protection switch device 1.It however it may also be that will Mobile tactile parts 5 are integrated into mobile contact stent 6, so that the suitable subregion of mobile contact stent 6 is as movement Parts 5 are touched to work and collectively constitute switch contact with fixed tactile parts 4.Fixed tactile parts 4 are mounted on fixed contact stent On 22, the fixed contact stent is the component part of yoke 20.Yoke 20 has conductively connected element 21, is led by described Electric ground connecting element so that yoke 20 and magnet exciting coil 12 are conductively connected.Magnet exciting coil 20 is magnetic triggering system 10(See figure 2A and 2B)A part, the magnetism triggering system causes the disconnection of switch contact in short circuit.This outer yoke 20 has feeler (Kontakthorn)23, it is conductive by the first end of the feeler yoke 20 and the explosion chamber 7 of protection switch device 1 Ground connects.
For example, by the input adapter that can be configured to connection terminal(It is not shown)And out splice going splice(It is not shown)It will protection Switching device 1 is integrated into electric wiring to be protected.In the inside of protection switch device 1, as long as switch contact is closed, input Connector and out splice going splice are just mutually conductively connected by current path.Lead in the region of corresponding component in figs. 1 a and 1b It crosses simple arrow and the current flux I be connected by current path is shown.The first area of current path is herein from input adapter Lead to fixed tactile parts 4 by magnet exciting coil 12 and yoke 20.And the second area of current path leads to guarantor from mobile tactile parts 5 Protect the out splice going splice of switching device 1.It therefore being capable of interruptive current access by disconnecting switch contact.
It is logical to show that the protection switch device 1 with the switch contact being closed, i.e., fixed tactile parts 4 and movement are touched in figure 1A Part 5, which directly touches, to be led to, so that electric current can flow through the switch contact.In also referred to as closure-position(EIN- stellung)Position in, input adapter and out splice going splice are mutually conductively connected.If switch contact is led to by that will move to touch Part 5 is removed from fixed tactile parts 4 and is disconnected, will be in fixed tactile parts 4 as long as then switch contact is made to be powered at the time of disconnecting Electric arc 9 is formed between mobile tactile parts 5.The beginning that contact disconnects is shown in fig. ib.In the first area of this current path With conductive section 24, the conductive section construction is in yoke 20.Conductive section 24 described herein is geometrically arranged, so as to make 9 collective effect of electric arc for obtaining the conductive section and burning between fixed tactile parts 4 and mobile tactile parts 5, so as to form life Into electromagnetic field, the field wire of the electromagnetic field is directed toward in the region of switch contact substantially perpendicular to figure plane.The electricity Power F is applied on electric arc 9 and conductive section 24 by magnetic field, and the power causes described two track sections, i.e. conductive section 24 It is mutually squeezed with electric arc 9.Because 24 position of conductive section is fixedly placed in the housing of protection switch device 1, therefore is being led The power F of repulsive interaction is caused between electric section 24 and electric arc 9, drive electric arc 9 towards explosion chamber 7 far from conductive section simultaneously And and then far from switch contact.
Therefore in the description of Figure 1B it is clear that current through line connection conductive section 24 current flux I relative to With flowing through substantially parallel reversed, the i.e. substantially parallel but direction phase opposite senses of current flux I of the logicalnot circuit connection of electric arc 9 Orientation.Thus electric current substantially U-shaped in the region of switch contact is realized together with the section in the region of fixed tactile parts 4 Guide part.
If mobile tactile parts 5 continue to touch far from the fixation by the further swinging motion of mobile contact stent 6 Parts, then electric arc is jumped on so-called guide rail 8 since determining length, and the guide rail and the second end of explosion chamber 7 are led It connects electricly.Before being then directed in explosion chamber 7 in electric arc and extinguishing there, the electric arc touches first with fixed It burns between the conductively connected feeler 23 of parts 4 and guide rail 8.
The magnetic triggering system 10 of protection switch device 1 is schematically shown with multiple views in Figures 2 A and 2 B.Pass through Electrical interconnection 11 so that magnetic triggering system and the input adapter of protection switch device 1 are conductively connected, the electric connection line Road both can be structured as flexible twisted wire can also be configured to it is rigid.Connect first of circuit 11 in addition with magnet exciting coil 12 End is conductively connected.In the state of assembling completely, armature-push-rod assembly(It is not shown)It is arranged in mobile-bearing and encourages In magnetic coil 12, so that in the case where short circuit current flows through the short circuit of magnet exciting coil 12, armature is attracted to excitation wire In circle 12.The push rod being fixedly connected with armature is impacted on frizzen at this time, thus the switch of trigger protection switching device 1 Mechanism, the switching mechanism cause the disconnection of switch contact.
Another component part of magnetic triggering system 10 is yoke 20(Also see Fig. 3), the yoke is in shown embodiment In be configured to sheet metal bending part.By subregion of the construction of yoke 20 for electrical connecting element 21, yoke 20 and magnet exciting coil 12 The second end it is conductively connected.Electric current I continues through conduction from magnet exciting coil 12 by connecting element 21 in the energized state Section 24 flows to the region for being referred to as fixed contact stent 22 of yoke 20.In this region, fixed tactile parts 4 and yoke 20 It is permanently connected.When switch contact is closed, electric current continues flow through fixed tactile parts 4 and mobile tactile parts 5 and mobile contact Stent 6, the mobile contact stent are conductively connected with the out splice going splice of protection switch device 1 again.
When switch contact disconnects, electric current first flows through electric arc 9.After electric arc 9 is transformed on guide rail 8(See Figure 1A and 1B), electric current from the region for being referred to as fixed contact stent 22 of yoke 20 by feeler 23 flow direction be configured to explosion chamber's plate 27 Region, the guide rail are conductively connected with electric arc-explosion chamber 7 and conductively connected with out splice going splice with its other end with one end It connects.Explosion chamber's plate 27 is the upper end of electric arc-explosion chamber 7;The lower end of electric arc-explosion chamber 7 and guide rail 8 are conductively connected.If it drives Electric arc is made to enter in electric arc-explosion chamber 7, then by there parallel arrangement muffler by the electric arc be divided into it is multiple mutually What is be electrically connected in series divides electric arc.It is electrically connected in series due to described, increases total arc voltage always until electric arc is finally interrupted and extinguished.
Magnetic in region between electrical connecting element 21 and the fixed contact stent 22 that wherein there also is provided conductive section 24 Construct to 20 bifurcated of yoke, i.e., switch contact be closed time shift moving contact rack 6 together with the movement being disposed thereon touch parts 25 to Between two parts of the conductive section 24 of the yoke 20 constructed with being at least partially into bifurcated.Therefore it is disconnected in switch contact When the electric arc 9 that is formed and two parts of the conductive section 24 be directly adjacent to, thus for being generated with 9 collective effect of electric arc Considerably higher field strength is obtained for electromagnetic field.Thus on significantly larger long-range navigation magneticaction to electric arc 9, so as to drive electricity Arc 9 is quickly moved from voltage contact area towards explosion chamber 7.
Fig. 3 shows the schematic diagram of the yoke 20 of magnetic triggering system 10.Conductive section 24 is particularly well identified herein Region in sheet metal bending part structure and bifurcation structure.In region between electrical connecting element 21 and installation elements 25, Yoke 20 has an opening 26, and the opening is under installation condition at least partially into magnet exciting coil 12 and constructing use In receiving and guiding armature-push-rod assembly.The magnetic triggering system can compactly be constructed as far as possible in this way.
In the embodiment described with reference to the accompanying drawings, conductive section 24, which is arranged in yoke 20 and is therefore arranged in electric current, to be led to In the first area on road.It is however also possible that conductive section is arranged in the second area of current path, is touched dynamic Between first 6 and out splice going splice.This is relative to the structure of the first area of current path either alternative solution can be attached again Add scheme.Such as accordingly low mobile contact stent 6 can also be shaped, so that the conductive section of mobile contact stent 6 is opposite It oppositely orients in electric arc 9 is substantially parallel.

Claims (6)

1. protection switch device(1),
There is input adapter and out splice going splice, the input adapter and out splice going splice are configured to touch by electric wiring Lead to the protection switch device(1),
There is switch contact, parts are touched in the fixation that there is the switch contact position to be fixedly arranged(4)And relative to institute State fixed tactile parts movably mobile tactile parts(5), the tactile parts are constructed so as to, so as to be disconnected in conductive switch contact When in the movement touch parts(5)Parts are touched with the fixation(4)Between form electric arc(9),
The switch contact being wherein closed conductively is connected by current path and the input adapter and the out splice going splice It connects,
It is characterized in that,
The current path has conductive section(24), the conductive section be constructed so as to and with the electric arc(9)So Collective effect, so as to form the electromagnetic field of generation, the electromagnetic field and the electric arc(9)So interaction, so as to drive Electric arc is stated far from the switch contact, wherein the conductive section is constructed so as to so that the conductive section in contact At the time of disconnection parts are touched in the movement(5)Parts are touched with the fixation(4)Between the electric arc that burns(9)Form substantially U The conduct current portion of shape,
The protection switch device(1)With magnetic triggering system(10), it is described magnetism triggering system pass through coil(12)With The input adapter is conductively connected and with relative to coil(12)The push rod movably supported, the push rod is in short circuit In the case of be directly or indirectly applied on switch contact, with by the way that the movement is touched parts(5)It is touched from the fixation logical Part(4)The disconnection for causing the switch contact is removed, and
The magnetism triggering system(10)With yoke(20), pass through the yoke coil(12)With the fixation Touch parts(4)It is conductively connected, wherein the conductive section(24)It is configured to the yoke(20)A part,
Wherein described yoke(20)In the conductive section(24)Region in bifurcated construct and have there are two side leg, so as to So that parts are touched in the movement(5)With mobile contact stent(6)Described two are at least partially disposed at when switch contact is closed Between a side leg.
2. protection switch device described in accordance with the claim 1,
It is characterized in that,
The movement is touched parts and is arranged on the mobile contact stent of rotatable bearing, wherein the conductive section is the movement A part for contact supporting.
3. according to the protection switch device of claim 2,
It is characterized in that,
The conductive section rotatably or is flexibly connect with the mobile contact stent.
4. according to the protection switch device described in claims 1 or 2,
It is characterized in that,
The conductive section is regularly supported relative to the shell position of protection switch device.
5. protection switch device described in accordance with the claim 1,
It is characterized in that,
The protection switch device is configured to breaker.
6. yoke(20), the structure of magnetic yoke is for according to the protection switch device described in any one of claim 1 to 5(1) In.
CN201310292736.6A 2012-07-12 2013-07-12 Protection switch device and yoke Active CN103545153B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012212236.2A DE102012212236A1 (en) 2012-07-12 2012-07-12 Protection switching device and magnetic yoke
DE102012212236.2 2012-07-12

Publications (2)

Publication Number Publication Date
CN103545153A CN103545153A (en) 2014-01-29
CN103545153B true CN103545153B (en) 2018-07-10

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EP (1) EP2685482B1 (en)
CN (1) CN103545153B (en)
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