CN101388306B - 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
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- CN101388306B CN101388306B CN200810212068.0A CN200810212068A CN101388306B CN 101388306 B CN101388306 B CN 101388306B CN 200810212068 A CN200810212068 A CN 200810212068A CN 101388306 B CN101388306 B CN 101388306B
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- end plate
- yoke
- protuberance
- bobbin
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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, there is the first end plate and the second end plate and be arranged between end plate for holding the hollow cylinder bodily form main body of coil.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 the recess in basic part and two arm and each arms of each leisure that are arranged on basic part, for running through guiding push rod.The invention still further relates to a kind of electro-magnetic circuit breaker and a kind of protection switch equipment of the protection switch equipment with bobbin and yoke.
Background technology
Protection switch equipment can be realized with the safety of electric energy and contacting.First operational failure electric current (FI) protection switch and line protection switch (so-called LS switch) contribute to improve fail safe, more and more.The FI/LS switch of combination is based on its compact make and high functional providing for the new possibilities modern times and comfortable electric installation.
Electro-magnetic circuit breaker is made up of the coil being wrapped on bobbin, and this coil accelerates push rod therein in the time applying voltage along coil axis.Push rod produces an impulse force being applied on switch machine device.In the time removing voltage, push rod is pushed back its initial position by spring.Yoke closed magnetic circuit also obviously improves the power of circuit breaker thus.
Known electric magnetic circuit breaker, wherein, bobbin is presented in yoke and keeps by iron core, 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 in a side that there is no iron core.
Disclose a kind of electromagnetism short circuit current circuit breaker by DE19721591A1, its coil is around ferromagnetic yoke.Yoke imports the iron core of hollow cylinder bodily form inside pipe casing in its of downside carrying, this iron core is made up of ferromagnetic material, and this sleeve pipe is wound around by multiple winding.Yoke has respectively the opening being arranged on casing axis on side and its downside thereon.In sleeve pipe (also referred to as bobbin), the armature of supporting is guided through upper opening slidably, and this armature is made up of ferromagnetic material.On armature, fixedly remain on the pin guiding on casing axis and by the lower openings of yoke, this pin is made up of insulating material.Armature and pin are formed in short circuit current circuit breaker while making a response with respect to the impact type armature (Schlaganker) of movable contact guiding.
Only having in the incomplete yoke of two sides instead of three sides, bobbin can be shifted onto on iron core on axis direction, or be inserted in yoke in the time there is no iron core.At this, push rod is bearing in 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 supportedly keeps through yoke 2 through bobbin 1 with on another side on a side.Coil 7 is wrapped in the hollow cylinder bodily form main body 5 of bobbin 1.Push rod 3 has stage clip 6, to push rod 3 is pushed back to its original position again after removing voltage.In the time being assembled in yoke 2, bobbin 1 is inserted into yoke 2 from left side.Subsequently, push rod 3 left sides are bearing in bobbin 1 and right side is bearing in 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 4 neutralization coil framves 1 unshakable in one's determination.Install before 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 in the hollow cylinder bodily form main body 5 of bobbin 1.
Disclose a kind of coil or a kind of bobbin by JP2257604A2, it utilizes the protuberance that points to bobbin longitudinal axis to be engaged in the groove of yoke, to bobbin is fixed in yoke.In other words, protuberance is arranged on bobbin in the inner side of swing link guide and is engaged in the groove on the side that is arranged on yoke arm.Such in yoke of bobbin fixedly has many shortcomings.Between the end plate of bobbin and the arm of yoke, must insert additional distance piece on the one hand, because otherwise can in the thickness of protuberance, between described two parts, have gap, this protuberance is arranged on another end plate of bobbin.On the other hand disadvantageously, in a side of bobbin, only remain in yoke by push rod.In other words, bobbin is with side contacts push rod in it, and this causes less desirable frictional dissipation.In the situation that there is no separator, protuberance or swing link guide must form 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 complicated structure or the complicated assembling of the element of electro-magnetic circuit breaker.Application iron core or isolated component mean the assembly fee use of extra cost and raising.In addition,, in the electro-magnetic circuit breaker of prior art,, there is frictional dissipation in ejector rod part ground contact bobbin thus.
Summary of the invention
The object of the invention is to propose a kind of bobbin, it is not having other additional components, for example, in the situation of iron core or separator, can simply and reliably be fixed in yoke.The present invention also proposes a kind of yoke, and it can simply and reliably fix this type bobbin, 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 simply He reliably be constructed by less parts.In the situation that there is no technology auxiliary equipment, bobbin can be assembled in yoke especially.
According to the present invention, this object is by having according to the bobbin of the feature of independent claims 1, have according to the yoke of 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 are also applicable to yoke, electro-magnetic circuit breaker and protection switch equipment certainly, and vice versa.
According to a first aspect of the invention; this object realizes by the bobbin of the electro-magnetic circuit breaker of protection switch equipment; wherein this bobbin has the first end plate and the second end plate and is arranged between end plate for holding the hollow cylinder bodily form main body of coil; wherein; on the first end plate and the second end plate distolateral, axially parallel is respectively provided to a few protuberance in the longitudinal axis of the hollow cylinder bodily form main body of bobbin, for being fixed to yoke.
Such bobbin can, there is no other additional parts, for example, simply and reliably be fixed in yoke in the situation of iron core or separator.In addition, bobbin can without too large cost be fixed in corresponding yoke.At this, will bobbin be threaded, welding, welding or punching press be in yoke.By the protuberance on the first end plate and the second end plate end face of bobbin can be simply by bobbin form fit be hanging in the corresponding recesses of yoke.Form fit between bobbin and yoke is enough at this, because the final housing effectively fixed by least partly cover two parts of bobbin in yoke realized.Can make this bobbin be assembled to especially simply and fastly in corresponding yoke by the particular design of bobbin.
Bobbin has the first end plate and the second end plate.Between the first end plate being preferably set parallel to each other and the second end plate, be provided for holding the hollow cylinder bodily form main body of coil.On the first end plate and the second end plate distolateral, protuberance is set like this, protuberance axially parallel is in the longitudinal axis trend of the hollow cylinder bodily form main body of bobbin.The distolateral side that represents in the present invention end plate, this side is away from corresponding another end plate.In other words, protuberance forms the outer end of bobbin.Thus can by bobbin form fit be hanging in corresponding yoke.After hanging, bobbin is firmly fixed in yoke.Protuberance on the end face of end plate can easily insert, imports or snap onto in yoke in corresponding groove.In other words, bobbin can be fixed in yoke in the situation that there is no other parts or parts.This means, without additional assembly tool, as Screw connector, fusion splicing devices, welder etc.Bobbin snaps in from behind in its recess by protuberance and is firmly placed in its yoke fixing without other in the situation that.Especially save installation time and save thus cost by this design of bobbin.
A preferably bobbin, wherein, at least one protuberance of the first end plate and at least one protuberance of the second end plate are formed as pin, particularly cylindrical pin, or be formed as the protruding nose of kayser.In other words, pin represents 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.But especially preferred is that pin has annular cross section.Pin can be boring, can save thus material cost and weight.Preferably, protuberance (namely pin) forms with corresponding end plate one.But also can consider, protuberance coordinates by power or the connection of material fit is arranged on end plate.So protuberance is can be for example bonding or be welded on end plate distolateral.The protuberance of the protruding nose form of kayser represents another preferred variant of protuberance.The protruding nose of kayser can be inserted into and import in groove, also can engage from behind the arm of yoke simultaneously, consequently can realize particularly well bobbin is remained in yoke.
According to the design of yoke, protuberance can be arranged on the distolateral diverse location of end plate.But a preferably bobbin, wherein at least one protuberance of the first end plate and at least one protuberance of the second end plate arrange coaxially to each other.This makes bobbin to be easily hanging in yoke, and this yoke has the groove of the same shape for holding protuberance.So yoke can have u shape profile, wherein, on the end being oppositely arranged of basic part, is respectively arranged with arm.In the time groove being set on arm distolateral, the protuberance of the end plate of bobbin can easily insert or import in these grooves, realize thus bobbin in yoke easily and fixing reliably.At this, two arms of yoke are design in the same manner preferably.
The protuberance of the first end plate and the second end plate can be arranged on the diverse location on end plate distolateral.A preferably bobbin, wherein at least one protuberance of the first end plate and at least one protuberance of the second end plate are arranged on the side edge of the first end plate or the second end plate.In the time at least two protuberances being set on each end face of the first end plate and the second end plate, be especially favourable.This stops bobbin possible rotation in yoke.In the time that protuberance is arranged on side edge, bobbin can be engaged on from behind on the groove of yoke and be suspended on reliably in the corresponding recesses of yoke by protuberance.
In addition, preferably a kind of bobbin, wherein, at least one protuberance of the first end plate and at least one protuberance of the second end plate pass through respectively supports support.Can improve thus the stability of protuberance.Strutting piece can for example be welded on protuberance and corresponding end face.Alternatively, strutting piece can be integrally formed with the end face of end plate and protuberance.At this, strutting piece is arranged on protuberance like this, and it does not hinder in the groove of protuberance insertion yoke.
According to a second aspect of the invention; this object 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 basic part; there is the recess in the each arm of each leisure, for running through guiding push rod, wherein; be respectively provided to a few groove the first arm of yoke and the second arm distolateral, for form fit hold the protuberance of bobbin according to a first aspect of the invention.
Such yoke can easily and reliably be held the bobbin of the electro-magnetic circuit breaker of protection switch equipment; this bobbin has the first end plate and the second end plate and is arranged between end plate for holding the hollow cylinder bodily form main body of coil; wherein; on the first end plate and the second end plate distolateral, axially parallel is respectively provided to a few protuberance in the longitudinal axis of the hollow cylinder bodily form main body of bobbin, for being fixed to yoke.The distolateral of the first arm of yoke and the 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 yoke simply thus.Without any need for other instrument and auxiliary equipment, bobbin is fixed in yoke.
Arm is preferably perpendicular to the basic part of yoke.Can consider equally in certain embodiments, arm is not to meet at right angles and move towards with basic part.
In addition, preferably a kind of yoke, wherein, at least one groove of the first arm of yoke and at least one groove of the 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 on to form fit in semicircular groove.In another preferred embodiment of yoke, propose, the base portion of groove is ogival ground trend for example.Then, this base portion is suitable for holding the protuberance that is ogival trend, in other words, has the protuberance of for example triangular cross section.
Groove on yoke distolateral can have the width that remains consistent.Groove preferably has to the trend of the distolateral at least regional expansion of the arm of yoke.Groove particularly preferably has the first contraction trend of expansion again.In other words, the protuberance on bobbin is pushed and is guaranteed thus can not drop out by narrow location in the time of assembling.Groove infundibulate before narrow location forms, so that can simplify the importing of the protuberance of bobbin.This can realize bobbin more reliably and is more quickly fixed in yoke.Bobbin can simply and reliably snap in or import in the groove of yoke.
Yoke preferably has two grooves on each arm.Corresponding bobbin can utilize two protuberances separately on each end plate simply and to be reliably fixed in yoke thus.By being engaged on from behind on 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, form the part of the pin shaped protuberance with annular cross section and there is the part of pin shaped protuberance of the cross section with corner angle.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 object realizes by the electro-magnetic circuit breaker of protection switch equipment, and wherein, electro-magnetic circuit breaker has bobbin and yoke, and wherein, bobbin forms according to aforementioned first aspect and yoke forms 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 and is connected with yoke.Do not need additional assembly tool and connect to produce.Do not need retaining thread connection, welding, welding or the punching press of yoke and bobbin.Yoke (the namely groove of yoke) and bobbin (the namely protuberance of bobbin) do not need spring and form to can be connected to each other.Also can consider, bobbin based on himself weight form fit be placed in the groove of yoke so that bobbin no longer may move, particularly in the time that bobbin is fixing by the housing parts that after all needs.
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 yoke perpendicular to the importing direction of the longitudinal axis of circuit breaker or bobbin.At this, the mode that bobbin enters at least one groove on yoke end face with at least one protuberance on each in two end plates imports yoke.
Bobbin is preferably made up of plastics, and yoke is metal.In the time that multiple protuberances, particularly pin or the protruding nose of kayser are arranged on end plate distolateral upper of bobbin, so just obtain bobbin location and keeping especially reliably especially accurately in yoke.
According to last aspect of the present invention, this object realizes by the protection switch equipment with electro-magnetic circuit breaker, and wherein, electro-magnetic circuit breaker forms as described above.Electro-magnetic circuit breaker preferably has bobbin, this bobbin has the first end plate and the second end plate and is arranged between end plate for holding the hollow cylinder bodily form main body of coil, wherein, on the first end plate and the second end plate distolateral, axially parallel is respectively provided to a few protuberance in the longitudinal axis of the hollow cylinder bodily form main body of bobbin, for being fixed to 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 basic part, there is the recess in the each arm of each leisure, be used for running through guiding push rod, wherein, on the first arm of yoke and the end face of the second arm, be respectively provided to a few groove, for form fit hold the protuberance of foregoing bobbin.
This protection switch equipment can be for example fault 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, is wherein provided with push rod, and push rod is bearing on the arm of yoke of u shape formation.In other words, push rod does not preferably pass through bobbin self-supporting, but only supports by yoke.At this, push rod is at 2 upper supports in the parallel arm/side in yoke.The interior diameter of bobbin, the inner side of the hollow main body of bobbin does not even contact push rod in the disadvantageous margin of tolerance yet in other words.Avoid thus frictional dissipation.At this, push rod is arranged in yoke like this, and it only guarantees can not drop out by housing parts.Yoke self does not stop push rod to drop out.
Brief description of the drawings
By embodiment, present invention will be described in detail with reference to the accompanying 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 yoke;
Fig. 5 illustrates and is close to the perspective view that is suspended on the bobbin in yoke;
Fig. 6 illustrates the perspective view that is assemblied in the bobbin in 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 that arrange perpendicular to basic part 20 separately 21,22.In arm 21,22, be provided with opening, push rod 3 is bearing in this opening.In this design variant, push rod 3 is configured to two-piece type, wherein, and push rod part 3a in outer push rod part 3b surrounds.This is outside equipped with spring part 6, and it makes push rod 3 correcting actions after removing voltage.The bobbin 1 being suspended in the yoke 2 of u shape has hollow cylinder bodily form main body 5, and coil 7 is wrapped in this main body.Bobbin 1 has separately end plate 11,12 on its end, is provided with the not protuberance in Fig. 3 on end plate, by this protuberance, bobbin 1 is fixed in yoke 2.
At the bobbin 1 being suspended on shown in Fig. 4 and 6 in yoke 2.On the arm 21,22 of yoke 2 distolateral, two grooves 23 are separately set, its for form fit hold the protuberance 13 of the end plate 11,12 of bobbin 1.Protuberance 13 is arranged on end plate 11,12 distolateral.Meanwhile, protuberance 13 axially parallels are in the longitudinal axis setting of bobbin 1.Protuberance 13 has annular cross section.The semicircle formation of base portion of the groove 23 of the arm 21,22 of yoke 2, thus base portion can hold to form fit the annular protrusion 13 of end plate 11,12.Groove 23 has the shape of first shrinking again expansion to the end face of arm 21,22.Make the protuberance 13 of end plate 11,12 be very easy to and import reliably in groove 23 by this funnel shaped design.Protuberance 13 based on bobbin 1 is at the kayser of the contraction flow region of the groove 23 of yoke 2, and bobbin 1 is placed in the groove 23 in yoke 2 reliably.This assembling of bobbin 1 in yoke 2 can especially easily and reliably be implemented, 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 in the situation of only pushing by finger power, realize assembling.
Fig. 5 illustrate bobbin 1 just form fit fit into yoke 2 in before position.Protuberance 13 is arranged on the side edge of end plate 11,12.There is the protuberance 13 of pin shape and be provided with strutting piece 14 for stable.Strutting piece is arranged on protuberance 13 like this, and it does not hinder protuberance 13 and inserts in groove 23.
The design variant of bobbin 1 shown in Figure 7.On the end of the hollow main body 5 of bobbin 1, the first end plate 11 and the second end plate 12 are set.The first end plate 11 and the second end plate 12 are set parallel to each other.Protuberance 13 axles 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 in hollow main body 5.At this, at least one other dividing plate 24 can be set, its outside by hollow main body 5 is separated at least two regions.
In Fig. 8, schematically show a kind of possible embodiment of yoke 2.Two grooves 23 are set separately on the end face of arm 21,22, and its further groove has to the distolateral trend of expansion again of first shrinking.This trend is used for easily importing especially the protuberance 13 of the end plate 11,12 of bobbin 1, and for snapping in the rear portion of its contraction flow region.The first end plate 11 has the little opening of comparing with the second end plate 12.Opening in the first end plate 11 is used for supporting interior push rod part 3a, as shown in Figure 3.Outer push rod part 3b is bearing in the opening of the second end plate 12.
The electro-magnetic circuit breaker 8 with aforementioned bobbin 1 and aforementioned yoke 2 represents very simple compact fault-current circuit breaker or the failure current protection switch equipment of simple non-combination; very simple compact fault-current circuit breaker is for depending on the protection switch equipment of supply voltage, and its defencive function with combination is for route protection and fault-current protection.Electro-magnetic circuit breaker 8 is made up of the coil 5 being wound on bobbin 1, and this coil accelerates push rod 3a, 3b therein in the time applying voltage along coil axis.Push rod 3a, 3b produce the impulse force on the switch machine device that is applied to protection switch equipment.In the time 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, save parts by the bobbin 1 of electro-magnetic circuit breaker 8 and be connected with yoke 2.In order to produce enough push rod power, the yoke of electro-magnetic circuit breaker is closed yoke 2.
In this electro-magnetic circuit breaker 8, advantageously, push rod 3 is at 2 upper supports in the parallel arm 21,22 in yoke 2 instead of be bearing in bobbin 1.The interior diameter of bobbin 1, the inner side of the hollow main body 5 of bobbin 1 does not even contact push rod 3 in the disadvantageous margin of tolerance yet in other words.Avoid thus frictional dissipation.
The assembling of bobbin 1 in yoke 2 is easily, reliably and not need iron core.Because protuberance 13, particularly separates the protruding nose of kayser by whole bobbin 1, so bobbin 1 is located especially exactly and remained on well in yoke 2.
Particularly the supporting of steel push rod 3 in steel yoke 2 be low especially friction and maximum push rod power 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 part and outer push rod part in 3a, 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 first arms
22 second arms
23 grooves
24 partition members
Claims (15)
1. the electro-magnetic circuit breaker of a protection switch equipment (8), there is bobbin (1) and yoke (2), it is characterized in that, described bobbin (1) there is the first end plate (11) and the second end plate (12) and be arranged on described the first end plate (11) and the second end plate (12) between for holding the hollow cylinder bodily form main body (5) of coil (7), wherein, distolateral axially parallel at described the first end plate (11) and the 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), be used for being fixed to yoke (2), and described yoke (2) has u shape profile, comprise basic part (20) and two arms (21 that are arranged on described basic part (20), 22), there is the each described arm (21 of each leisure, 22) recess in, be used for running through guiding push rod (3), wherein, at first arm (21) of described yoke (2) and the distolateral groove (23) less that is respectively provided to of the second arm (22), described groove holds described protuberance (13) for form fit ground.
2. electro-magnetic circuit breaker according to claim 1 (8), it is characterized in that, described at least one protuberance (13) of described the first end plate (11) and described at least one protuberance (13) of described the second end plate (12) are formed as pin, or are formed as the protruding nose of kayser.
3. electro-magnetic circuit breaker according to claim 1 and 2 (8), it is characterized in that, described at least one protuberance (13) of described the first end plate (11) and described at least one protuberance (13) of described the second end plate (12) arrange coaxially to each other.
4. electro-magnetic circuit breaker according to claim 1 and 2 (8), it is characterized in that, described at least one protuberance (13) of described the first end plate (11) and described at least one protuberance (13) of described the second end plate (12) are arranged on the side edge of described the first end plate (11) or described the second end plate (12).
5. electro-magnetic circuit breaker according to claim 3 (8), it is characterized in that, described at least one protuberance (13) of described the first end plate (11) and described at least one protuberance (13) of described the second end plate (12) are arranged on the side edge of described the first end plate (11) or described the second end plate (12).
6. electro-magnetic circuit breaker according to claim 1 and 2 (8), it is characterized in that, described at least one protuberance (13) of described the first end plate (11) and described at least one protuberance (13) of described the second end plate (12) support by strutting piece (14) respectively.
7. electro-magnetic circuit breaker according to claim 5 (8), it is characterized in that, described at least one protuberance (13) of described the first end plate (11) and described at least one protuberance (13) of described the second end plate (12) support by strutting piece (14) respectively.
8. electro-magnetic circuit breaker according to claim 1 and 2 (8), it is characterized in that, described at least one groove (23) of described first arm (21) of described yoke (2) and described at least one groove (23) of described the second arm (22) have semicircular base portion.
9. electro-magnetic circuit breaker according to claim 7 (8), it is characterized in that, described at least one groove (23) of described first arm (21) of described yoke (2) and described at least one groove (23) of described the second arm (22) have semicircular base portion.
10. electro-magnetic circuit breaker according to claim 1 and 2 (8), it is characterized in that, described at least one groove (23) of described first arm (21) of described yoke (2) and described at least one groove (23) of described the second arm (22) have to the trend of described distolateral at least regional expansion.
11. electro-magnetic circuit breakers according to claim 9 (8), it is characterized in that, described at least one groove (23) of described first arm (21) of described yoke (2) and described at least one groove (23) of described the second arm (22) have to the trend of described distolateral at least regional expansion.
12. electro-magnetic circuit breakers according to claim 2 (8), is characterized in that, described pin is cylindrical pin.
13. 1 kinds have the protection switch equipment of electro-magnetic circuit breaker (8), it is characterized in that, described electro-magnetic circuit breaker (8) forms according to described in any one in claim 1 to 12.
14. protection switch equipment according to claim 13, is characterized in that, described bobbin (1) is made up of plastics.
15. according to the protection switch equipment described in claim 13 or 14, it is characterized in that, is provided with push rod (3), and 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 |
|---|---|---|---|
| DE102007043869.0A 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 |
| DE102007043869.0 | 2007-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101388306A CN101388306A (en) | 2009-03-18 |
| CN101388306B true 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) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN104157522B (en) * | 2014-08-28 | 2016-10-19 | 三信国际电器上海有限公司 | A kind of miniature circuit breaker magnetic system |
| 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 |
| 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 |
| DE102018200382A1 (en) * | 2018-01-11 | 2019-07-11 | Robert Bosch Gmbh | Magnetic assembly for a setting and / or delivery unit, method for producing the magnet assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3274525A (en) * | 1964-08-28 | 1966-09-20 | Comar Electric Company | Solenoid device having a non-rotatably mounted coil bobbin |
| GB2065375A (en) * | 1979-12-12 | 1981-06-24 | Sony Corp | Plunger solenoid construction |
| CN1071531A (en) * | 1991-10-14 | 1993-04-28 | 梅兰日兰公司 | The electromagnetism tripper and the manufacture method thereof that had casting-forging method spare |
| 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 |
| US5894257A (en) * | 1996-09-23 | 1999-04-13 | Schneider Electric Sa | Electromagnetic trip for an electrical apparatus for protection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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. |
| 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3274525A (en) * | 1964-08-28 | 1966-09-20 | Comar Electric Company | Solenoid device having a non-rotatably mounted coil bobbin |
| GB2065375A (en) * | 1979-12-12 | 1981-06-24 | Sony Corp | Plunger solenoid construction |
| CN1071531A (en) * | 1991-10-14 | 1993-04-28 | 梅兰日兰公司 | The electromagnetism tripper and the manufacture method thereof that had casting-forging method spare |
| 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 |
| US5894257A (en) * | 1996-09-23 | 1999-04-13 | Schneider Electric Sa | Electromagnetic trip for an electrical apparatus for protection |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007043869B4 (en) | 2016-02-25 |
| EP2037478A2 (en) | 2009-03-18 |
| CN101388306A (en) | 2009-03-18 |
| EP2037478A3 (en) | 2010-08-11 |
| DE102007043869A1 (en) | 2009-04-09 |
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Granted publication date: 20140611 Termination date: 20200912 |