CN101388306A - Spool carrier and yoke of an electromagnetic actuator of a protective switching device, electromagnetic actuator and protective switching device - Google Patents
Spool carrier and yoke of an electromagnetic actuator of a protective switching device, electromagnetic actuator and protective switching device Download PDFInfo
- Publication number
- CN101388306A CN101388306A CNA2008102120680A CN200810212068A CN101388306A CN 101388306 A CN101388306 A CN 101388306A CN A2008102120680 A CNA2008102120680 A CN A2008102120680A CN 200810212068 A CN200810212068 A CN 200810212068A CN 101388306 A CN101388306 A CN 101388306A
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- China
- Prior art keywords
- yoke
- bobbin
- end plate
- protuberance
- arm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2481—Electromagnetic mechanisms characterised by the coil design
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/127—Assembling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
- H01F2007/083—External yoke surrounding the coil bobbin, e.g. made of bent magnetic sheet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2463—Electromagnetic mechanisms with plunger type armatures
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Breakers (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
A coil rack (1) of a solenoid-operated circuit breaker (8) of a protective switchgear is provided with a first terminal plate (11) and a second terminal plate (12) and a hollow cylindrical main body (5) arranged therebetween for housing a coil (7), on an end side axis direction of the first terminal plate (11) and the second terminal plate (12) parallel with a longitudinal axis of the hollow cylindrical main body (5) of the coil rack (1), at least a projecting part (13) is arranged fixed to a yoke (2). The yoke (2) having a U-shaped contour of the solenoid-operated circuit breaker (8) of the protective switchgear has a basis part (20) and two arms (21, 22) arranged thereon, and a recess respectively in each arm, for penetrating a guide mandril (3), at least one groove (23) is respectively arranged on the end side of the first arm (21) and the second arm (22) of the yoke (2), for housing the projecting part (13) of the coil rack (1) in shape match. Provided is a solenoid-operated circuit breaker (8) and a protective switchgear.
Description
Technical field
The present invention relates to a kind of bobbin of electro-magnetic circuit breaker of protection switch equipment, have first end plate and second end plate and be arranged on the hollow cylinder bodily form main body that is used to hold coil between the end plate.The invention still further relates to a kind of yoke of electro-magnetic circuit breaker of protection switch equipment, have u shape profile, this yoke comprises that basic part and two are arranged on arm on the basic part and the recess in each comfortable each arm, are used to run through the guiding push rod.The invention still further relates to a kind of electro-magnetic circuit breaker and a kind of protection switch equipment with protection switch equipment of bobbin and yoke.
Background technology
Protection switch equipment can be realized contacting with the safety of electric energy.Operational failure electric current (FI) protection switch and line protection switch (so-called LS switch) help to improve fail safe at first, more and more.The FI/LS switch of combination is used for new possibility modern and comfortable electric installation based on its compact make and high functional providing.
Electro-magnetic circuit breaker is made of the coil that is wrapped on the bobbin, this coil when applying voltage with push rod within it portion's coil axis along the line quicken.Push rod produces an impulse force that affacts on the switch mechanical device.When removing voltage, push rod is pushed back its initial position by spring.The yoke closed magnetic circuit also obviously improves the power of circuit breaker thus.
The known electric magnetic circuit breaker, wherein, bobbin is presented in the yoke and keeps by unshakable in one's determination, this iron core and yoke punching press or be welded together.Iron core also guides push rod and stage clip.Push rod is guided by bobbin on a side that does not have iron core.
Disclose a kind of electromagnetism short circuit current circuit breaker by DE 197 21 591 A1, wherein coil is around ferromagnetic yoke.Yoke is at iron core that imports hollow cylinder bodily form inside pipe casing of its downside carrying, and this iron core is made by ferromagnetic material, and this sleeve pipe is twined by multiple winding.Yoke has the opening that is arranged on the casing axis respectively on side and its downside thereon.The armature of supporting guiding slidably is by upper opening in sleeve pipe (being also referred to as bobbin), and this armature is made of ferromagnetic material.At the pin that fixedly remains on the lower openings guiding of also passing through yoke on the casing axis on the armature, this pin is made of insulating material.Armature and pin are formed in the short circuit current circuit breaker when making a response with respect to the impact type armature (Schlaganker) of movable contact guiding.
In the incomplete yoke that only has two sides rather than three sides, bobbin can shifted onto on the axis direction on the iron core, perhaps when having iron core, do not insert in the yoke.At this, push rod is bearing in the bobbin in yoke and at opposite side at a side bearing.
Electro-magnetic circuit breaker shown in Figure 1, wherein bobbin 1 inserts in the opening of yoke 2.Push rod 3 passes bobbin 1 and pass yoke 2 supporting ground on another side and keeps on a side.Coil 7 is wrapped on the hollow cylinder bodily form main body 5 of bobbin 1.Push rod 3 has stage clip 6, so that after removing voltage push rod 3 is pushed back its original position again.In the time of on being assembled to yoke 2, bobbin 1 is inserted into the yoke 2 from the left side.Subsequently, push rod 3 left sides are bearing in the bobbin 1 and the right side is bearing in the yoke 2.
Another known electro-magnetic circuit breaker shown in Fig. 2.Bobbin 1 is guaranteed can not slide by unshakable in one's determination 4.Push rod 3 is bearing in the 4 neutralization coil framves 1 unshakable in one's determination.Install before the push rod 3, must be from outside punching press iron core 4, so that iron core can not drop out from yoke 2.Coil 7 is wrapped on the hollow cylinder bodily form main body 5 of bobbin 1.
Disclose a kind of coil or a kind of bobbin by JP 2257604 A2, it utilizes the protuberance that points to the bobbin longitudinal axis to be engaged in the groove of yoke, so that bobbin is fixed on the yoke.In other words, protuberance is arranged on the bobbin in the inboard of swing link guide and is engaged in the groove on the side that is arranged on the yoke arm.Bobbin such on yoke fixedly has many shortcomings.On the one hand between the arm of the end plate of bobbin and yoke, must insert the distance piece that adds, because otherwise can in the thickness of protuberance, between described two parts, have the gap, this protuberance is arranged on another end plate of bobbin.On the other hand disadvantageously, on a side of bobbin, only remain on the yoke by push rod.In other words, bobbin is with side contacts push rod in it, and this causes the frictional dissipation do not expected.Do not having under the situation of separator, protuberance or swing link guide must constitute on spring ground, and perhaps this can cause excessive tolerance or the relative motion between bobbin and yoke.
The shortcoming of this known electro-magnetic circuit breaker is the structure or the complicated assembling of complexity of the element of electro-magnetic circuit breaker.Use the assembly fee usefulness that iron core or isolated component mean extra cost and raising.In addition, in the electro-magnetic circuit breaker of prior art, push rod partly contacts bobbin, occurs frictional dissipation thus.
Summary of the invention
The objective of the invention is to propose a kind of bobbin, it for example can simply and reliably be fixed in the yoke under the situation of iron core or separator there not being other additional components.The present invention also proposes a kind of yoke, and it can be simply and fixes this type bobbin reliably, and proposes a kind of electro-magnetic circuit breaker and a kind of protection switch equipment, and electro-magnetic circuit breaker/protection switch equipment can be simply and reliably by less unit architecture.Under the situation that does not have the technology auxiliary equipment, bobbin can be assembled on the yoke especially.
According to the present invention, this purpose is by having bobbin according to the feature of independent claims 1, have yoke according to the feature of independent claims 6, having according to the electro-magnetic circuit breaker of the feature of independent claims 9 and have according to the protection switch equipment of the feature of independent claims 10 and realize.Further feature of the present invention and details are provided by dependent claims, specification and accompanying drawing.Feature and the details described explicitly with bobbin also are applicable to yoke, electro-magnetic circuit breaker and protection switch equipment simultaneously certainly, and vice versa.
According to a first aspect of the invention; this purpose realizes by the bobbin of the electro-magnetic circuit breaker of protection switch equipment; wherein this bobbin has first end plate and second end plate and is arranged on the hollow cylinder bodily form main body that is used to hold coil between the end plate; wherein; axially parallel is respectively provided to few protuberance in the longitudinal axis of the hollow cylinder bodily form main body of bobbin on first end plate and second end plate distolateral, is used for fixing on the yoke.
Such bobbin can for example simply and reliably be fixed in the yoke under the situation of iron core or separator there not being other additional parts.In addition, bobbin is fixed on the corresponding yoke with can need not too big cost.At this, will bobbin be threaded, welding, welding or punching press be on yoke.By can be simply at first end plate of bobbin and the protuberance on the second end plate end face with the bobbin form fit be hanging in the corresponding recesses of yoke.Form fit between bobbin and yoke is enough at this, because final effectively fix by the housing that to small part cover two parts of bobbin on yoke realized.Particular design by bobbin can make this bobbin be assembled to especially simply and fastly on the corresponding yoke.
Bobbin has first end plate and second end plate.Between first end plate that preferably is set parallel to each other and second end plate, be provided for holding the hollow cylinder bodily form main body of coil.On first end plate and second end plate distolateral protuberance is set like this, promptly the protuberance axially parallel is in the longitudinal axis trend of the hollow cylinder bodily form main body of bobbin.The distolateral side of representing end plate in the present invention, this side is away from corresponding another end plate.In other words, protuberance constitutes the outer end of bobbin.Thus can with the bobbin form fit be hanging in the corresponding yoke.Bobbin firmly is fixed in the yoke after hanging.Protuberance on the end face of end plate can easily insert, imports or snap onto on the yoke in the corresponding grooves.In other words, bobbin can be fixed on the yoke under the situation that does not have other parts or parts.This means that the assembly tool that need not to add is as Screw connector, fusion splicing devices, welder or the like.Bobbin snaps in from behind in its recess by protuberance and firmly is placed in its yoke under need not other fixing situation.Especially save installation time and save cost thus by this design of bobbin.
Preferably a kind of bobbin, wherein, at least one protuberance of first end plate and at least one protuberance of second end plate form pin, cylindrical pin particularly, or form the protruding nose of kayser.In other words, pin is represented the parts by the distolateral protrusion of end plate.Pin can be designed as dissimilar.So pin can have triangle, rectangle or oval-shaped cross section.Yet especially preferred is that pin has annular cross section.Pin can be a boring, can save material cost and weight thus.Preferably, protuberance (pin just) constitutes with corresponding end plate one.But can consider that also promptly protuberance is arranged on the end plate by the connection of power cooperation or material fit.So protuberance can be for example bonding or be welded on end plate distolateral.The protuberance of the protruding nose form of kayser is represented another preferred variant of protuberance.The protruding nose of kayser can be inserted into and import in the groove, also can mesh the arm of yoke simultaneously from behind, so that can realize particularly well bobbin being remained in the yoke.
According to the design of yoke, protuberance can be arranged on the distolateral diverse location of end plate.But preferably a kind of bobbin, wherein at least one protuberance of at least one protuberance of first end plate and second end plate is provided with coaxially to each other.This makes and bobbin easily can be hanging in the yoke, and this yoke has the groove of the same shape that is used to hold protuberance.So yoke can have u shape profile, wherein, is respectively arranged with arm on the end that is oppositely arranged of basic part.When on arm distolateral groove being set, the protuberance of the end plate of bobbin can easily insert or import in these grooves, realize thus bobbin on yoke easily and fixing reliably.At this, two arms of yoke are design in the same manner preferably.
The protuberance of first end plate and second end plate can be arranged on the diverse location on end plate distolateral.Preferably a kind of bobbin, wherein at least one protuberance of at least one protuberance of first end plate and second end plate is arranged on the side edge of first end plate or second end plate.When on each end face of first end plate and second end plate, at least two protuberances being set, be especially favourable.This stops bobbin possible rotation on yoke.When protuberance was arranged on side edge, bobbin can be engaged on from behind on the groove of yoke by protuberance and be suspended on reliably in the corresponding recesses of yoke.
In addition, preferably a kind of bobbin, wherein, at least one protuberance of first end plate and at least one protuberance of second end plate pass through supports support respectively.Can improve the stability of protuberance thus.Strutting piece can for example be welded on protuberance and the corresponding end face.Replacedly, strutting piece can be integrally formed with the end face and the protuberance of end plate.At this, strutting piece is arranged on the protuberance like this, and promptly it does not hinder in the groove of protuberance insertion yoke.
According to a second aspect of the invention; this purpose realizes by the yoke with u shape profile of the electro-magnetic circuit breaker of protection switch equipment; wherein; this yoke has basic part and two arms that are arranged on the basic part; have the recess in each comfortable each arm, be used to run through the guiding push rod, wherein; lack a groove at the first arm of yoke and distolateral being respectively provided to of second arm, be used for the protuberance that form fit ground holds bobbin according to a first aspect of the invention.
Such yoke can be easily and is held the bobbin of the electro-magnetic circuit breaker of protection switch equipment reliably; this bobbin has first end plate and second end plate and is arranged on the hollow cylinder bodily form main body that is used to hold coil between the end plate; wherein; axially parallel is respectively provided to few protuberance in the longitudinal axis of the hollow cylinder bodily form main body of bobbin on first end plate and second end plate distolateral, is used for fixing on the yoke.The distolateral of the first arm of yoke and second arm is the side of arm in the present invention, and this side is away from the basic part of yoke.Bobbin can be hanging in the yoke simply thus.Without any need for other instrument and auxiliary equipment bobbin is fixed in the yoke.
Arm is preferably perpendicular to the basic part of yoke.Can consider equally that in certain embodiments promptly arm is not to move towards with basic part with meeting at right angles.
In addition, preferably a kind of yoke, wherein, at least one groove of the first arm of yoke and at least one groove of second arm have semicircular base portion.This design of groove can be held the protuberance, particularly pin of the end plate of bobbin well.Pin can be placed in the semicircular groove to form fit.Propose in another preferred embodiment of yoke, the base portion of groove is ogival ground trend for example.Then, this base portion is suitable for holding the protuberance that is the ogival trend, in other words, has for example protuberance of triangular cross section.
Groove on yoke distolateral can have and remains consistent width.Groove preferably has the trend to the distolateral regional at least expansion of the arm of yoke.Groove especially preferably has the trend of expansion again of contraction earlier.In other words, the protuberance on the bobbin is also guaranteed can not drop out by the narrow location extruding when assembling thus.Groove infundibulate before narrow location constitutes, so that can simplify the importing of the protuberance of bobbin.This can realize bobbin more reliably and more quickly is fixed on the yoke.Bobbin can be simply and is snapped in reliably or import in the groove of yoke.
Yoke preferably has two grooves on each arm.The respective coil frame can utilize two protuberances separately on each end plate simply and reliably to be fixed on the yoke thus.By being engaged on from behind on the contraction flow region, bobbin no longer may move.
In another preferred embodiment of yoke, yoke can also have more than four grooves.Effective to bobbin equally.Bobbin also can have more than four protuberances.The protuberance of bobbin can also have difformity.So can consider, promptly constitute the part of pin shaped protuberance and have the part of the pin shaped protuberance of the cross section of being with corner angle with annular cross section.The design of the groove in the corresponding arm that is applicable to yoke.Groove preferably has the shape with the design complementation of protuberance, so that protuberance form fit ground is held by groove.
According to a further aspect in the invention, this purpose realizes that by the electro-magnetic circuit breaker of protection switch equipment wherein, electro-magnetic circuit breaker has bobbin and yoke, and wherein, bobbin constitutes according to aforementioned first aspect and yoke constitutes according to aforementioned second aspect.This electro-magnetic circuit breaker is very easy to assembling.In other words, the bobbin of electro-magnetic circuit breaker can be saved parts ground and is connected with yoke.Do not need the assembly tool that adds to connect so that produce.Do not need the retaining thread of yoke and bobbin to be connected, welding, welding or punching press.Yoke (groove of yoke just) and bobbin (protuberance of bobbin just) do not need spring ground to constitute so that can be connected to each other.Also can consider, promptly bobbin based on himself weight form fit be placed in the groove of yoke so that bobbin no longer may move, particularly when bobbin by the housing parts that after all needs fixedly the time.
Yoke is closed yoke based on two arm.By using closed yoke can produce enough push rod power.Bobbin with perpendicular to or almost directly snap in or import in the yoke perpendicular to the importing direction of the longitudinal axis of circuit breaker or bobbin.At this, bobbin imports yoke in the mode that at least one protuberance on each in two end plates enters at least one groove on the yoke end face.
Bobbin preferably is made of plastics, and yoke is a metal.When being set at distolateral the going up of end plate of bobbin when a plurality of protuberances, particularly pin or the protruding nose of kayser, so just obtained bobbin special accurate in locating and keeping especially reliably on yoke.
According to last aspect of the present invention, this purpose realizes that by the protection switch equipment with electro-magnetic circuit breaker wherein, electro-magnetic circuit breaker constitutes as described above.Electro-magnetic circuit breaker preferably has bobbin, this bobbin has first end plate and second end plate and is arranged on the hollow cylinder bodily form main body that is used to hold coil between the end plate, wherein, axially parallel is respectively provided to few protuberance in the longitudinal axis of the hollow cylinder bodily form main body of bobbin on first end plate and second end plate distolateral, is used for fixing on the yoke.In addition, electro-magnetic circuit breaker preferably has the yoke of u shape profile, this yoke has basic part and two arms that are arranged on the basic part, has the recess in each comfortable each arm, be used to run through the guiding push rod, wherein, on the end face of the first arm of yoke and second arm, be respectively provided to few groove, be used for the protuberance that form fit ground holds foregoing bobbin.
This protection switch equipment for example can be fault electric current (FI) protection switch or line protection switch (LS switch).In addition, protection switch equipment can be the FI/LS switch of combination.In the present invention; failure current protection switch not still with the failure current protection switch of independent of power voltage; so-called FI equipment (FI, FI group, FI/LS); and be the failure current protection switch relevant with supply voltage, so-called differential current protection switch or DI equipment (DI, DI group, LS/DI).
Preferably this protection switch equipment wherein is provided with push rod, and push rod is bearing on the arm of the yoke that u shape constitutes.In other words, push rod does not preferably pass through the bobbin self-supporting, but only supports by yoke.At this, push rod is in the parallel arm/side of 2 upper supports in yoke.The interior diameter of bobbin, the hollow main body of bobbin inboard even also do not contact push rod in other words in the disadvantageous margin of tolerance.Avoid frictional dissipation thus.At this, push rod is arranged on the yoke like this, and promptly it only guarantees can not drop out by housing parts.Yoke self does not stop push rod to drop out.
Description of drawings
Present invention will be described in detail with reference to the accompanying by embodiment now.Wherein:
Fig. 1 illustrates the electro-magnetic circuit breaker according to prior art;
Fig. 2 illustrates another electro-magnetic circuit breaker according to prior art;
Fig. 3 illustrates the sectional view of electro-magnetic circuit breaker;
Fig. 4 illustrates the perspective view that is suspended on the bobbin in the yoke;
Fig. 5 illustrates and is close to the perspective view that is suspended on the bobbin in the yoke;
Fig. 6 illustrates the perspective view that is assemblied in the bobbin in the yoke;
Fig. 7 illustrates the perspective view of bobbin;
Fig. 8 illustrates the perspective view of yoke.
Specific embodiment
Fig. 3 illustrates the longitudinal sectional drawing of the electro-magnetic circuit breaker 8 of protection switch equipment.In yoke 2 inside that are designed to u shape bobbin 1 is set.The yoke 2 of u shape has basic part 20 and two arms 21,22 that are provided with perpendicular to basic part 20 separately.Be provided with opening in arm 21,22, push rod 3 is bearing in this opening.In this design variant, push rod 3 constitutes two-piece type, wherein, and push rod spare 3a in outer push rod spare 3b surrounds.This is outside equipped with spring part 6, and it makes push rod 3 correcting actions after removing voltage.The bobbin 1 that is suspended in the yoke 2 of u shape has hollow cylinder bodily form main body 5, and coil 7 is wrapped on this main body.Bobbin 1 has end plate 11,12 separately on its end, end plate is provided with the not protuberance in Fig. 3, by this protuberance bobbin 1 is fixed on the yoke 2.
At the bobbin 1 that is suspended on shown in Fig. 4 and 6 in the yoke 2.On the arm 21,22 of yoke 2 distolateral two grooves 23 separately are set, it is used for the protuberance 13 that form fit ground holds the end plate 11,12 of bobbin 1.Protuberance 13 is arranged on end plate 11,12 distolateral.Simultaneously, protuberance 13 axially parallels are in the longitudinal axis setting of bobbin 1.Protuberance 13 has annular cross section.The base portion of the groove 23 of the arm 21,22 of yoke 2 is semicircle to be constituted, so that base portion can hold to form fit the annular protrusion 13 of end plate 11,12.The end face that groove 23 has to arm 21,22 shrinks the shape of expansion more earlier.Make the protuberance 13 of end plate 11,12 be very easy to and import reliably in the groove 23 by this funnel shaped design.Based on the protuberance 13 of bobbin 1 kayser at the contraction flow region of the groove 23 of yoke 2, bobbin 1 is placed in the groove 23 on the yoke 2 reliably.This assembling of bobbin 1 on yoke 2 can be implemented especially easily and reliably, because on the one hand without any need for extra parts, as iron core or isolated component, on the other hand can be not by instrument and auxiliary equipment, but only by realizing assembling under the situation of finger power extruding.
Fig. 5 illustrate bobbin 1 just form fit the position before fitting in the yoke 2.Protuberance 13 is arranged on the side edge of end plate 11,12.Have the protuberance 13 of pin shape and be provided with strutting piece 14 for stable.Strutting piece is arranged on the protuberance 13 like this, and promptly it does not hinder in the protuberance 13 insertion grooves 23.
The design variant of bobbin 1 shown in Figure 7.On the end of the hollow main body 5 of bobbin 1, first end plate 11 and second end plate 12 are set.First end plate 11 and second end plate 12 are set parallel to each other.13 of protuberances are parallel to the longitudinal axis trend of bobbin 1 and give prominence to from the distolateral of end plate 11,12.Unshowned coil can be wrapped on the hollow main body 5.At this, at least one other dividing plate 24 can be set, its outside with hollow main body 5 is separated at least two zones.
In Fig. 8, schematically show a kind of possible embodiment of yoke 2.Two grooves 23 are set on the end face of arm 21,22 separately, and its further groove has to the distolateral trend of expansion again of shrinking earlier.This trend is used for easily importing especially the protuberance 13 of the end plate 11,12 of bobbin 1, and the rear portion that is used to snap in its contraction flow region.First end plate 11 has with second end plate 12 compares less opening.Opening in first end plate 11 is used to support interior push rod spare 3a, as shown in Figure 3.Outer push rod spare 3b is bearing in the opening of second end plate 12.
Has the very simple compact fault-current circuit breaker of electro-magnetic circuit breaker 8 expressions of aforementioned bobbin 1 and aforementioned yoke 2 or the failure current protection switch equipment of simple non-combination; very simple compact fault-current circuit breaker is used to depend on the protection switch equipment of supply voltage, and its defencive function with combination is used for route protection and fault-current protection.Electro-magnetic circuit breaker 8 is made of the coil 5 that is wound on the bobbin 1, this coil when applying voltage with push rod 3a, 3b within it portion's coil axis along the line quicken.Push rod 3a, 3b produce the impulse force on the switch mechanical device that affacts protection switch equipment.When removing voltage, push rod 3a, 3b are pushed back its original position by spring part 6.Yoke 2 closed magnetic circuits also obviously improve the power of electro-magnetic circuit breaker 8 thus.
Realize this possibility by bobbin 1 according to the present invention and yoke 2 according to the present invention, the bobbin 1 saving parts ground that is about to electro-magnetic circuit breaker 8 is connected with yoke 2.In order to produce enough push rod power, the yoke of electro-magnetic circuit breaker is closed yoke 2.
Advantageously, push rod 3 is in the parallel arm 21,22 of 2 upper supports in yoke 2 rather than be bearing in the bobbin 1 in this electro-magnetic circuit breaker 8.The interior diameter of bobbin 1, the hollow main body 5 of bobbin 1 inboard even also do not contact push rod 3 in other words in the disadvantageous margin of tolerance.Avoid frictional dissipation thus.
The assembling of bobbin 1 on yoke 2 is easily, reliably and not need iron core.Because protuberance 13 particularly comes the separately protruding nose of kayser by whole winding frame 1, so bobbin 1 is located especially exactly and remained on well in the yoke 2.
Particularly the supporting of steel push rod 3 in steel yoke 2 is push rod power low especially friction and that maximum is provided thus.In addition, magnetic circuit only pass through thus metal and without the bobbin 1 of plastics, this may cause weakening of push rod power.
Reference identification
1 bobbin
2 yokes
3 push rods
Push rod spare and outer push rod spare in 3a, the 3b
4 iron cores
The hollow main body of 5 bobbins
6 spring parts
7 coils
8 electro-magnetic circuit breakers
11 first end plates
12 second end plates
13 protuberances
14 strutting pieces
20 basic parts
21 the first arms
22 second arms
23 grooves
24 partition members
Claims (12)
1. the bobbin (1) of the electro-magnetic circuit breaker of a protection switch equipment (8); have first end plate (11) and second end plate (12) and be arranged on described first end plate (11) and second end plate (12) between be used to hold the hollow cylinder bodily form main body (5) of coil (7); it is characterized in that; distolateral axially parallel at described first end plate (11) and second end plate (12) is respectively provided to a few protuberance (13) in the longitudinal axis of the described hollow cylinder bodily form main body (5) of described bobbin (1), is used for fixing on the yoke (2).
2. bobbin according to claim 1 (1), it is characterized in that, described at least one protuberance (13) of described first end plate (11) and described at least one protuberance (13) of described second end plate (12) form pin, particularly cylindrical pin, or form the protruding nose of kayser.
3. bobbin according to claim 1 and 2 (1) is characterized in that, described at least one protuberance (13) of described first end plate (11) and described at least one protuberance (13) of described second end plate (12) are provided with coaxially to each other.
4. according to each described bobbin (1) in the claim 1 to 3, it is characterized in that described at least one protuberance (13) of described first end plate (11) and described at least one protuberance (13) of described second end plate (12) are arranged on the side edge of described first end plate (11) or described second end plate (12).
5. according to each described bobbin (1) in the claim 1 to 4, it is characterized in that described at least one protuberance (13) of described first end plate (11) and described at least one protuberance (13) of described second end plate (12) support by strutting piece (14) respectively.
6. the yoke (2) of the electro-magnetic circuit breaker of a protection switch equipment (8); has u shape profile; comprise basic part (20) and two arms (21,22) that are arranged on the described basic part (20); has the recess in each comfortable each described arm (21,22); be used to run through guiding push rod (3); it is characterized in that; lack a groove (23) at the first arm (21) of described yoke (2) and distolateral being respectively provided to of second arm (22), described groove holds the protuberance (13) according to each described bobbin (1) of claim 1 to 5 with being used for form fit.
7. yoke according to claim 6 (2) is characterized in that, described at least one groove (23) of the described the first arm (21) of described yoke (2) and described at least one groove (23) of described second arm (22) have semicircular base portion.
8. according to claim 6 or 7 described yokes (2), it is characterized in that described at least one groove (23) of the described the first arm (21) of described yoke (2) and described at least one groove (23) of described second arm (22) have the trend to described distolateral regional at least expansion.
9. the electro-magnetic circuit breaker of a protection switch equipment (8); have bobbin (1) and yoke (2); it is characterized in that, described bobbin (1) according to each described formation in the claim 1 to 5 and described yoke (2) according to each described formation in the claim 6 to 8.
10. the protection switch equipment with electro-magnetic circuit breaker (8) is characterized in that, described electro-magnetic circuit breaker (8) is according to the described formation of claim 9.
11. protection switch equipment according to claim 10 is characterized in that, described bobbin (1) is made of plastics.
12., it is characterized in that according to claim 10 or 11 described protection switch equipment, be provided with push rod (3), described push rod is bearing on the arm (21,22) of the described yoke (2) that is designed to u shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007043869.0 | 2007-09-14 | ||
| DE102007043869.0A DE102007043869B4 (en) | 2007-09-14 | 2007-09-14 | Coil carrier and yoke of an electromagnetic release of a protective switching device, electromagnetic release and protective switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101388306A true CN101388306A (en) | 2009-03-18 |
| CN101388306B CN101388306B (en) | 2014-06-11 |
Family
ID=40130876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810212068.0A Expired - Fee Related CN101388306B (en) | 2007-09-14 | 2008-09-12 | Spool carrier and yoke of an electromagnetic actuator of a protective switching device, electromagnetic actuator and protective switching device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2037478A3 (en) |
| CN (1) | CN101388306B (en) |
| DE (1) | DE102007043869B4 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184811A (en) * | 2011-05-15 | 2011-09-14 | 邳州市国龙电器有限公司 | Electronic multi-sectional overcurrent protection device |
| CN104157522A (en) * | 2014-08-28 | 2014-11-19 | 三信国际电器上海有限公司 | Miniature circuit breaker magnetic system |
| CN106758075A (en) * | 2016-12-30 | 2017-05-31 | 无锡小天鹅股份有限公司 | The sieve box of dryer and dryer |
| CN111587465A (en) * | 2018-01-11 | 2020-08-25 | 罗伯特·博世有限公司 | Magnetic assembly for a device for handling and/or transporting, method for producing a magnetic assembly |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167337B (en) * | 2014-08-20 | 2016-04-13 | 加西亚电子电器有限公司 | A kind of electromagnetic system and miniature circuit breaker |
| CN107204696B (en) * | 2017-05-13 | 2023-09-29 | 苏州智能制造研究院有限公司 | High-frequency electromagnetic push rod |
| CN109712850B (en) * | 2017-10-25 | 2024-05-14 | 浙江正泰电器股份有限公司 | Electromagnetic release assembly |
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|---|---|---|---|---|
| US3274525A (en) * | 1964-08-28 | 1966-09-20 | Comar Electric Company | Solenoid device having a non-rotatably mounted coil bobbin |
| JPS6035216Y2 (en) * | 1979-12-12 | 1985-10-19 | ソニー株式会社 | plunger type solenoid |
| JPH02257604A (en) * | 1989-03-29 | 1990-10-18 | Mitsubishi Electric Corp | Voltage tripping device |
| FR2665017B1 (en) * | 1990-07-20 | 1994-03-11 | Telemecanique | ELECTRO MAGNET. |
| FR2682532B1 (en) * | 1991-10-14 | 1993-11-26 | Merlin Gerin | PROCESS FOR THE MANUFACTURE OF AN ELECTROMAGNETIC TRIGGER WITH AN OVER-MOLDED PERCUTTER AND A TRIGGER THUS OBTAINED. |
| EP0569652A1 (en) * | 1992-05-13 | 1993-11-18 | Hager Electro S.A. | Magnetic trip mechanism for circuit breaker, equivalent sub-assembly and circuit breakers incorporating them |
| FR2753836B1 (en) * | 1996-09-23 | 1998-10-30 | ELECTROMAGNETIC TRIGGER FOR ELECTRIC PROTECTIVE APPARATUS | |
| DE19721591A1 (en) * | 1997-05-23 | 1998-11-26 | Maier & Cie C | Current limiting switch |
| GB9819844D0 (en) * | 1998-09-12 | 1998-11-04 | Kelsey Hayes Co | Electromagnetic actuator |
| AT412926B (en) * | 2001-03-20 | 2005-08-25 | Moeller Gebaeudeautomation Kg | JOKE FOR A MAGNETIC SYSTEM OF A SHORT-CIRCUIT RELEASE DEVICE |
-
2007
- 2007-09-14 DE DE102007043869.0A patent/DE102007043869B4/en not_active Expired - Fee Related
-
2008
- 2008-08-13 EP EP08105035A patent/EP2037478A3/en not_active Withdrawn
- 2008-09-12 CN CN200810212068.0A patent/CN101388306B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184811A (en) * | 2011-05-15 | 2011-09-14 | 邳州市国龙电器有限公司 | Electronic multi-sectional overcurrent protection device |
| CN102184811B (en) * | 2011-05-15 | 2013-10-02 | 邳州市国龙电器有限公司 | Electronic multi-sectional overcurrent protection device |
| CN104157522A (en) * | 2014-08-28 | 2014-11-19 | 三信国际电器上海有限公司 | Miniature circuit breaker magnetic system |
| CN106758075A (en) * | 2016-12-30 | 2017-05-31 | 无锡小天鹅股份有限公司 | The sieve box of dryer and dryer |
| CN112900037A (en) * | 2016-12-30 | 2021-06-04 | 无锡小天鹅电器有限公司 | Clothes dryer and filter screen box thereof |
| CN112900037B (en) * | 2016-12-30 | 2023-07-14 | 无锡小天鹅电器有限公司 | Clothes dryer and filter screen box thereof |
| CN111587465A (en) * | 2018-01-11 | 2020-08-25 | 罗伯特·博世有限公司 | Magnetic assembly for a device for handling and/or transporting, method for producing a magnetic assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2037478A2 (en) | 2009-03-18 |
| DE102007043869B4 (en) | 2016-02-25 |
| EP2037478A3 (en) | 2010-08-11 |
| DE102007043869A1 (en) | 2009-04-09 |
| CN101388306B (en) | 2014-06-11 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140611 Termination date: 20200912 |