CN103545153B - Protection switch device and yoke - Google Patents
Protection switch device and yoke Download PDFInfo
- 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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- parts
- electric arc
- switch device
- contact
- protection switch
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective 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
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H2071/249—Electromagnetic 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
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.
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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CN201310292736.6A Active CN103545153B (en) | 2012-07-12 | 2013-07-12 | Protection switch device and yoke |
Country Status (3)
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EP (1) | EP2685482B1 (en) |
CN (1) | CN103545153B (en) |
DE (1) | DE102012212236A1 (en) |
Families Citing this family (25)
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CN108666185B (en) * | 2017-03-31 | 2023-12-05 | 温州圣普电气有限公司 | Large-current miniature circuit breaker |
DE102017212033A1 (en) | 2017-07-13 | 2019-01-17 | Siemens Aktiengesellschaft | DC arc extinguishing device and electromechanical DC switching device |
DE102017214557A1 (en) | 2017-08-21 | 2019-02-21 | Siemens Aktiengesellschaft | Electromechanical protection device |
DE102019117802A1 (en) * | 2019-07-02 | 2021-01-07 | Johnson Electric Germany GmbH & Co. KG | Switching contact system of a switching device operated by electrical current |
DE102019220444B4 (en) | 2019-12-20 | 2021-08-05 | Siemens Aktiengesellschaft | Remote operator and parameterization procedure |
DE102020200993B4 (en) | 2020-01-28 | 2023-06-01 | Siemens Aktiengesellschaft | Remote drive arrangement with a remote drive and method |
DE102020209257A1 (en) | 2020-07-22 | 2022-01-27 | Siemens Aktiengesellschaft | Fastening device and modular installation device |
DE102020210028A1 (en) | 2020-08-07 | 2022-02-10 | Siemens Aktiengesellschaft | Operator-independent compact snap-action switch and electromechanical protective switching device |
DE102020211531A1 (en) | 2020-09-15 | 2022-03-17 | Siemens Aktiengesellschaft | Low voltage circuit breaker |
DE102020214192A1 (en) | 2020-11-11 | 2022-05-12 | Siemens Aktiengesellschaft | Combined short-circuit overload tripping device and electromechanical protective switching device |
CN112735902A (en) * | 2020-12-17 | 2021-04-30 | 滁州博格韦尔电气有限公司 | Arc extinguish chamber of high-voltage circuit breaker for rail transit vehicle control circuit |
DE102021201159A1 (en) | 2021-02-08 | 2022-08-11 | Siemens Aktiengesellschaft | Insulated housing and compact circuit breaker |
DE102021202664A1 (en) | 2021-03-18 | 2022-09-22 | Siemens Aktiengesellschaft | Compact circuit breaker |
DE102021208516A1 (en) | 2021-08-05 | 2023-02-09 | Siemens Aktiengesellschaft | Summation current transformer and residual current circuit breaker |
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DE102022204329A1 (en) | 2022-05-02 | 2023-11-02 | Siemens Aktiengesellschaft | Modular insulated housing and multi-pole modular series-mounted device |
DE102022206195A1 (en) | 2022-06-21 | 2023-12-21 | Siemens Aktiengesellschaft | Low voltage protective switching device |
DE102022207779A1 (en) | 2022-07-28 | 2024-02-08 | Siemens Aktiengesellschaft | Plug-in summation current transformer assembly, modular device and assembly method |
DE102022208674A1 (en) | 2022-08-22 | 2024-02-22 | Siemens Aktiengesellschaft | Modular, multi-pole series-mounted device |
DE102023200524B3 (en) | 2023-01-24 | 2024-05-29 | Siemens Aktiengesellschaft | Connection terminal and DIN rail device |
Citations (2)
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CN1028264C (en) * | 1992-07-02 | 1995-04-19 | 三菱电机株式会社 | Switch |
CN100468600C (en) * | 2003-11-11 | 2009-03-11 | 西门子公司 | Arc quenching system |
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DE2841004C2 (en) | 1978-09-21 | 1980-10-02 | Licentia Gmbh | Circuit breaker with additional blow loop |
DD211668A1 (en) | 1982-11-11 | 1984-07-18 | Elektroinstallation Annaberg V | CIRCUIT PROTECTION SWITCH WITH A CONTACT ASSEMBLY CONSTRUCTING A BLOW LOOP |
US4743720A (en) * | 1985-11-25 | 1988-05-10 | Matsushita Electric Works, Ltd. | Current limiting circuit interrupter |
US5583328A (en) * | 1992-07-02 | 1996-12-10 | Mitsubishi Denki Kabushiki Kaisha | High voltage switch including U-shaped, slitted stationary contact assembly with arc extinguishing/magnetic blowout features |
DE19524915C2 (en) * | 1995-07-08 | 2003-06-26 | Abb Patent Gmbh | Arc extinguishing arrangement for an electrical switch, in particular for a circuit breaker |
JP3099690B2 (en) * | 1995-08-03 | 2000-10-16 | 富士電機株式会社 | Circuit breaker |
DE29823717U1 (en) * | 1998-08-13 | 1999-10-14 | Siemens Ag | Miniature circuit breaker with arc operated blow coil |
DE10058874A1 (en) * | 2000-11-27 | 2002-03-21 | Siemens Ag | Meandering conductor coil e.g. for relay or protection switch, has folded conductor band providing self-supporting body with axial coil core reception space |
DE50309487D1 (en) * | 2003-12-22 | 2008-05-08 | Abb Schweiz Ag | Arc quenching device for circuit breaker with double break |
DE102010036215A1 (en) * | 2010-09-01 | 2012-03-01 | Siemens Aktiengesellschaft | Electrical circuit breaker |
-
2012
- 2012-07-12 DE DE102012212236.2A patent/DE102012212236A1/en not_active Withdrawn
-
2013
- 2013-04-24 EP EP13165024.4A patent/EP2685482B1/en active Active
- 2013-07-12 CN CN201310292736.6A patent/CN103545153B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1028264C (en) * | 1992-07-02 | 1995-04-19 | 三菱电机株式会社 | Switch |
CN100468600C (en) * | 2003-11-11 | 2009-03-11 | 西门子公司 | Arc quenching system |
Also Published As
Publication number | Publication date |
---|---|
EP2685482A1 (en) | 2014-01-15 |
EP2685482B1 (en) | 2017-05-31 |
DE102012212236A1 (en) | 2014-01-16 |
CN103545153A (en) | 2014-01-29 |
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