EP2932522A1 - Schutzschalter und adapter für einen schutzschalter - Google Patents
Schutzschalter und adapter für einen schutzschalterInfo
- Publication number
- EP2932522A1 EP2932522A1 EP13805274.1A EP13805274A EP2932522A1 EP 2932522 A1 EP2932522 A1 EP 2932522A1 EP 13805274 A EP13805274 A EP 13805274A EP 2932522 A1 EP2932522 A1 EP 2932522A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection points
- circuit breaker
- contact
- circuit
- outer diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 10
- 238000005304 joining Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H01H71/08—Terminals; Connections
-
- 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
- H01H73/20—Terminals; Connections
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
-
- 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
- H01H73/22—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 having electrothermal release and no other automatic release
- H01H73/30—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 having electrothermal release and no other automatic release reset by push-button, pull-knob or slide
-
- 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
- H01H71/08—Terminals; Connections
- H01H2071/088—Terminals for switching devices which make the devices interchangeable, e.g. with fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H2085/207—Bases adapted to fuses with different end contacts or to other components, e.g. circuit breakers; intermediate adaptation pieces
-
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
- H01H85/0415—Miniature fuses cartridge type
- H01H85/0418—Miniature fuses cartridge type with ferrule type end contacts
Definitions
- the invention relates to a circuit breaker and an adapter for a circuit breaker.
- fuses are designed as fuses.
- G-fuse links Electrical devices, such as power supplies or cabinets in mechanical and plant engineering, are secured by means of so-called G-fuse links against an overcurrent, the fuses are designed as fuses.
- nimble fuse links solve even at comparatively short current peaks
- sluggish fuse links respond only at a comparatively long lasting overcurrent, for example, to allow the start of an electric motor and a current peak caused thereby without interruption of the circuit.
- the fuse After the fuse has tripped, it must be replaced and replaced with a new one to allow current to flow back into the protected circuit. Usually an undamaged such fuse is not available, which is why often an inappropriate fuse link is used. For example, a sluggish fuse is used instead of a fast fuse, which causes only insufficient re-protection of the circuit. If such a fuse should not be present, a protective shutdown by means of the fuse leads to a standstill of any existing in the circuit electrical machines for a relatively long period. Alternatively, the fuse is short-circuited by means of a wire or the like, wherein in such a procedure essentially no protection of the circuit takes place.
- further components of the circuit can be damaged or void any warranty claim on the manufacturer of the electrical machines.
- the invention has for its object to increase the reliability of a hedged by means of a G fuse circuit, and in particular to simplify the restart after a protective shutdown.
- the circuit breaker comprises two electrically conductive connection points, which are designed substantially cylindrical, and between which in particular a mechanism for protecting the circuit is arranged.
- the axes of the two cylindrical connection points are located on a common straight line and the two connection points are preferably designed substantially similar.
- the outer diameter of each of the connection points between 5.0 mm and 5.3 mm in size and the maximum distance of the connection point to each other, so the distance between the two opposing boundary surfaces of the two connection points, each forming a top surface of the cylindrical shape to each other is between 19, 0mm and 21, 0mm.
- the outer diameter is equal to 5.2mm, with a downward deviation of up to 0.2mm and an upward deviation of up to 0.1mm tolerated.
- the maximum distance is preferably 20.0mm with a tolerated deviation of up to 0.5mm in accordance with the European standard EN 60127 for fuse-links.
- each of the terminals is between 6.2mm and 6.5mm, with the outer diameter preferably equal
- 6.35mm is available with a tolerance of up to 0.1mm.
- the maximum distance between the connection points is between 30.5 mm and 33.0 mm. Conveniently, the maximum distance is 31.8mm with a tolerance of up to 0.8mm.
- the height of each of the connection points so the extension of the connection point along the respective axis between 4.0mm and 6.0mm, if the outer diameter is substantially to 5.2mm.
- the height is preferably 5.1 mm with a tolerance of 0.6 mm.
- the height is equal to a value between 5.5mm and 7.0mm.
- the height is 6.2mm with a tolerance of 0.6mm.
- connection points consist for example of a solid material or are designed in the manner of a hollow cylinder with preferably substantially circular cross-section.
- the connection points are made of a metal strip having a substantially S-shaped cross-section perpendicular to the direction of extension of the cylindrical connecting parts.
- the connection point consists of a metal strip with a width of substantially 5.1 mm and a length between 21, 0 and 23.0 mm, which is bent into the S-shape, these dimensions being for the smaller of the two outer diameters. Due to such a configuration of the respective connection point, it is possible to produce this as a comparatively inexpensive stamped and bent part, which is preferably the case. In this case, a comparatively efficient electrically conductive connection of the connection points to a possibly existing holder is ensured.
- the circuit breaker is reversibly triggered.
- the circuit breaker is arranged such that after triggering and a subsequent current flow interruption by the circuit, a reset of the circuit breaker in the conductive state is possible, ie in the state before the power interruption.
- the circuit breaker comprises a switching lock, which triggers at a predetermined current and / or voltage value within the circuit and thus interrupts the flow of current within the circuit. Due to the reversible release of the circuit breaker storage is not required to ensure after removing the leading to the interruption circumstance again a current flow.
- the slider is manually engageable in a position to convert the circuit breaker into a conductive state.
- the slide made of an electrically non-conductive material is spring-loaded and is moved at opening contacts of the circuit breaker between them due to the spring force, so that an electrical short circuit of the two contacts without a prior manual removal of the slide is not possible.
- the circuit breaker for this purpose has a manual release, which protrudes from the housing.
- the manual release it is possible to spend the slider in the original position and thus a conductive Condition of the circuit breaker.
- the electrical contact between the two contacts of the circuit breaker is made.
- it is provided to open the contacts of the circuit breaker by means of the manual release and thus to interrupt a current flow through the circuit breaker.
- it is possible by means of the circuit breaker, in particular by means of the manual release, to open or close the circuit in the manner of a conventional switch. In this way it is possible to interrupt the circuit by means of the circuit breaker to perform any repairs or maintenance related to the circuit.
- the circuit breaker has an adjustment possibility to change its reactivity.
- either the current leading to the tripping current and / or the electrical voltage is adjusted or the reaction time required for tripping is changed.
- the setting determines the tripping characteristics of the circuit breaker, for example, to mimic either a fast or a slow fuse.
- the circuit breaker comprises a fixed contact and a bimetallic element, one of which is electrically connected to one of the connection points. Further, the circuit breaker on a moving contact, which is arranged on the bimetal and in the conductive state is electrically conductively contacted with the fixed contact. Upon heating of the bimetallic element this is deformed and removes the moving contact of the fixed contact.
- the bimetallic element is designed in such a way, for example geometrically and / or by means of material selection, that below a triggering threshold value the moving contact bears against the fixed contact and thus a current flow through these two is possible.
- the bimetallic element When the threshold value is exceeded, which in particular indicates a current or voltage value, the bimetallic element is bent in such a way that the two contacts are separated from one another.
- a contact carrier is provided which carries the moving contact. In the conductive state of the contact carrier is latched to the bimetallic element and made an electrical connection between the moving and the fixed contact.
- the latching between the bimetal element and the contact carrier is released, so that the electrically conductive connection between the moving contact and the fixed contact is canceled.
- the contact carrier is spring-loaded and / or is held in the desired position by means of a latching lug of the bimetallic element in the conductive state.
- the contact carrier is pivotable and is pivoted at a transition from the conductive to the non-conductive state, which has a comparatively small footprint.
- Such a circuit breaker is preferably used as a substitution of a slow fuse.
- the circuit breaker comprises a magnetic release, this embodiment being preferably used to replace fast fuses.
- the magnetic release in particular has an electrical coil for generating a magnetic field.
- a contact spring Connected in series with the coil is suitably a contact spring which functions, for example, as a kind of switch.
- the contact spring is spring-loaded, for example by means of a coil spring or the use of a spring steel for creating the contact spring, and / or the contact spring is in operative connection to the magnetic field created by the coil.
- the contact spring is moved and an electrical contact between the two connection points of the circuit breaker is interrupted.
- the contact spring and the electric coil are flowed through by the current.
- an electrical contact made via the contact spring is interrupted, which leads to an interruption of the current flow within the coil and thus a collapse of the magnetic field.
- a further embodiment of the invention provides that the current interruption, a contact spring is used in the contact state, so if the Circuit breaker is conductive, is mechanically biased. This is realized for example by means of a separate spring or due to the production of the contact spring itself, for example, spring steel.
- the bias is such that the contact spring strives from the contact position in an open position. In other words, an opening of the circuit is caused by the bias.
- a thermal tripping element is provided which holds the contact spring despite the bias in the contact position.
- the thermal tripping element is in particular an expansion wire, ie a wire, the length of which depends on its temperature.
- the thermal tripping element is preferably flowed through by the electric current itself.
- Such an embodiment of the circuit breaker is preferably used as a substitution of a medium-term fuse.
- the adapter has two connection points, which are cylindrical and in particular similar, shaped.
- the axes of the respective connection points lie on a common axis.
- the centers of the cross sections of the two connection points overlap perpendicular to their axis, wherein the cross sections are preferably parallel to each other.
- the cross sections overlap each other.
- the cross sections themselves are advantageously substantially round. At least the outside diameter is between 5.0mm and 5.3mm, with a distance along the axis limited by the two junctions between 19.0mm and 21.0mm.
- the outer diameter of each of the connection points is equal to 5.2 mm with a tolerance of 0.1 mm and 0.2 mm is accepted upwards or downwards.
- the maximum distance is equal to 20.0mm with a tolerance of 0.5mm.
- the outer diameter is equal to 6, 2mm, 6.5mm or any intervening value.
- the maximum distance between the connection points is 30.5 mm to 33.0 mm.
- the outer diameter is equal to 6.35mm with a tolerance of 0.1 mm and the maximum distance is 31, 8mm with a deviation of up to 0.8mm is accepted.
- the adapter further includes a receptacle connector provided and adapted to be electrically contacted with a circuit breaker.
- each of the connection points which are preferably made of an electrically conductive material or at least comprise this, electrically conductively connected to a respective receiving region of the receiving connector.
- the receiving plug comprises at least two receiving areas for the electrical contact of the circuit breaker, wherein the connection points and the receiving locations can be electrically conductively connected only by means of the protective switch.
- the receiving connector includes, for example, further elements for mechanically stabilizing the circuit breaker, such. B. locking lugs, screws or the like. Conveniently, the receiving plug meets at least one standard for circuit breakers.
- the adapter By means of the adapter, it is possible to integrate a conventional circuit breaker for protection in already existing secured by a G fuse link circuits. For this, no structural changes to the circuit or any components thereof, such as a circuit board, must be made. Furthermore, a storage of G-fuse links is not required to enable the fused circuit after an overload and a consequent shutdown in a conductive state. In addition, it is possible to use a variety of different circuit breakers to protect the circuit, and thus adapt the protection to current requirements. Furthermore, with a suitable selection of the circuit breaker, it is possible to use a comparatively sharp characteristic to protect the circuit. Consequently, the number of false shutdowns is reduced, but at the same time the protective effect is increased.
- the height of each of the cylindrical connection points ie the extent along the respective axis, between 4.0mm and 6.0mm, provided that the connection points have the smaller of the two outer diameter.
- the minimum distance between the two junctions is between 7.0mm and 13.0mm, namely 21.0mm minus two times 4.0mm and 19.0mm less the 6.0mm double.
- the height of the two connection points is between 5.5mm and 7.0mm when the larger of the two is selected as the outer diameter.
- the height is equal to 5.1 mm with a deviation of up to 0.6 mm or 6.2 mm also with a tolerance of up to 0.6 mm. Due to such a choice of dimensions, the adapter thus meets the requirements of European standard EN 60127 for G fuse links.
- the receiving connector is preferably designed for receiving two tabs of the circuit breaker.
- the two receiving points are preferably formed in the manner of a slot into which the flat plug is inserted for mounting the circuit breaker.
- the two slots are aligned substantially parallel to the common axis of the connection points, at least the tabs of the circuit breaker in the mounted state to the adapter. Due to such a design of the receiving connector, the radial extent of the adapter is reduced, so its extension perpendicular to the axis of the connection points. In this way it is possible to replace comparatively close lying G fuse-links by means of the adapter and a suitable circuit breaker.
- FIG. 2 - 5 in perspective further embodiments of the circuit breaker
- Fig. 6 shows an adapter for a circuit breaker. Corresponding parts are provided with the same reference numerals in all figures.
- a first embodiment of a circuit breaker 2 is shown in perspective, wherein in Fig. 1a, a portion of a switching mechanism 4 covering part of a housing 6 is removed.
- the circuit breaker 2 is in the assembled state for securing a circuit, in particular of electrical lines and / or consumers, such. an electric motor, used against overvoltage and / or overcurrent.
- From the housing 6 projects on one of the sides of a manual release 8, by means of which the switching mechanism 4 can be actuated.
- On the side opposite the manual release 8 side of the housing 6 are two hollow cylindrical connection points 10 which are made of a bent metal strip.
- the connection points 10 is a stamped and bent part, wherein the cross section of each of the connection points 10 is configured substantially S-shaped.
- the cross section is in this case perpendicular to an axis 12, on which the two connection points 10 are located.
- the maximum distance 14 between the two connection points 10 in this case is either 20.0 mm or 31, 8 mm.
- the minimum distance 16, which is bounded by the two mutually facing boundary surfaces of the two connection points 10, is equal to 9.8 mm or 19.4 mm. Consequently, the height 18, ie the extension of the respective connection point 10 along the axis 12 is either 5.1 mm or 6.2 mm, wherein the height 18 of the two connection points 10 is the same.
- the outer diameter 20 of the two connection points 10 is either equal to 5.2 mm or 6.35 mm.
- the respective smaller values for the maximum distance 14, the height 18 and the outer diameter 20 are used for the connection points 10 either continuously.
- each of the connection points 10 has a height 18 of 5.1 mm and an outer diameter 20 of 5.2 mm, wherein the maximum distance 14 is substantially 20.0 mm.
- the height 18 is equal to 6.2mm of the outer diameter 20 is equal to a value of 6.35mm, and the maximum distance 14 is 31, 8mm.
- connection points 0 forming metal strip passes into a fixed contact 22, on the other hand arranged on a contact carrier 24 moving contact 26 is pivotally mounted.
- the substantially L-shaped contact carrier 24 is acted upon by means of two springs 28 with force and guided by means of an integrally formed on the manual release 8 guide stack 30.
- the movable contact 26 opposite the free end of the contact carrier 24 with a latching nose 32 is engaged, which is integrally formed on a bimetallic element 34.
- the bimetal 34 itself is electrically contacted with the remaining of the two connection points 10.
- the circuit breaker 2 is moved from the non-conductive state shown here into a conductive state in which an integrally formed on the guide rod 30 carrier 36, the moving contact 26 against the force applied by the two springs 28 presses against the fixed contact 22 and the two contacts 22, 26 thus electrically conductively connects.
- the bimetallic element 34 locks on the detent 32 with the contact carrier 24 and holds the contact carrier 24 in just this position.
- the operation and design of the switching mechanism 4 substantially corresponds to the previous embodiment of the circuit breaker 2, wherein the switching mechanism 4 is shown in the conductive state.
- the contact carrier 34 is held with the detent 32 of the bimetallic element 34 against the force applied by the springs 28 force.
- the fixed contact 22 and the moving contact 26 are electrically conductively contacted with each other.
- the design of the manual release 8 whose shape is essentially that of a round cylinder.
- the connection points 10 are also rotated by 90 ° about the axis 12 in comparison to the first embodiment.
- a further embodiment of the circuit breaker 2 is shown in an exploded view, wherein the components of the circuit breaker 2 are opposite to a joining direction 38 away from the connection points 10, which substantially correspond to those of the previous embodiments of the circuit breaker 2.
- the switching mechanism 4 has two receiving carrier 40, which are produced as a stamped and bent part in one piece with one of the connection points 10.
- One of the receiving carrier 40 carries the fixed contact 22 and the other a connection point 42 at which at a welding point 44, the bimetallic element 34, which carries the moving contact 26, is welded in the assembled state.
- the switching mechanism 4 further comprises a slide 46, which is acted upon by a spring 48 with force.
- the slider 46 remote from the free end 50 of the spring 48 is held by a mounting tab 52 stationary within the housing 6.
- the slider 46 has an interruption area 54 and a display area 56 which projects through an opening 58 of the housing cover 60 when the interruption area 54 is between the moving contact 26 and the fixed contact 22. Namely, when heating the bimetal 24, the moving contact 26 is removed from the fixed contact 22 due to the forces acting within the bimetallic element 24, so that the slider 46 is guided with the interruption region 54 between the two contacts due to the acting spring force.
- the manual release 8 is designed substantially U-shaped and is locked in the assembled state with a fixing spring 62.
- the manual release 8 comprises a trigger limb 64, by means of which the bimetallic element 34 can be moved away from the fixed contact 22 during a pivoting movement of the manual release 8 about the fastening spring 62. Due to the slider 46 snapping into the gap, it is thus possible to prevent an electrical connection between the two connection points 10 by means of the manual release 8, even though there is no accident.
- Fig. 3b of the circuit breaker 2 substantially corresponds to the previous embodiment.
- the slider 46 is omitted and the bimetallic element 34 aligned in the joining direction 38.
- the expansion of the switching mechanism 4 along the axis 12 is reduced, which is why this circuit breaker 2 can also be used in comparatively cramped fuse boxes.
- Fig. 4 there is shown another embodiment of the circuit breaker 2 which is used as a replacement of a fast fuse.
- the switching mechanism 4 has a magnetic release 66 with a coil 68, one end of which is connected directly to one of the recording medium 40, and the other electrical end via a contact spring 70 with the remaining of the two recording medium 40, which electrically contacts one of the connection points 10 are.
- the connection points 10 are in this case again in one piece with the respective associated receiving carrier 40.
- the coil 68 is wound around a changed by means of an adjusting screw 72 damper element by means of which the tripping characteristic of the circuit breaker 2 is variable. Further, a permanent magnet 74 is disposed within the coil 68, which is in contact with two parallel to each other made of a soft iron guide legs 76, in which the coil 68 abuts. The two guide legs 76 are arranged perpendicular to the coil 68 and bridged by means of a yoke 78, which is held against the force exerted by the permanent magnet 74 magnetic force against a force exerted by a spring 80 in contact with the guide legs 76. On the spring 80 opposite side of the yoke 78, the contact spring 70 is arranged, which is positioned by means of the manual release 8 there.
- FIG. 1a a final embodiment of the circuit breaker 2 is shown in FIG. 1a, wherein again each a receiving carrier 40 and a connection point 10 are integrally formed with each other as a stamped and bent part.
- the substantially U-shaped configured contact spring 68 is connected, preferably welded.
- the remote free end of the contact spring 68 carries the moving contact 26, which rests in the conductive state on the fixed contact formed by means of the remaining receiving carrier 40. in the Consequently, a current flows here from the one of the connection points via the associated receiving carrier, the contact spring 68, the moving contact 26 and the fixed contact 22 to the second receiving carrier 40 and the hereby integral connection point 10.
- the contact spring 68 is biased in the opening direction.
- the contact spring 68 is manufactured and / or attached to the receiving carrier 40, that on the moving contact 26 a directed away from the fixed contact 22 force prevails.
- the two contacts 22, 26 are held against this force by means of a wire 82, whose length and / or elasticity depends on its temperature. With an increased current flow, the temperature of the expansion wire 82 increases, which is also traversed by the electric current. As a result, a longitudinal expansion of the wire 82 takes place and the contact spring 68 snaps away from the fixed contact 22 in a rest position. In this case, the contact spring 68 has a curvature which is directed counter to the curvature shown.
- connection points 10 which in turn are made of a bent metal strip.
- the configuration of the connection points 10 itself corresponds to that of the connection points 10 of the circuit breaker 2 of the preceding figures.
- the height 18 is either equal to 5.1 mm or 6.2 mm
- the outer diameter 20 is equal to 5.2 mm or 6.35 mm
- the maximum distance 14 between the two connection points 10 is the same
- the adapter 84 has a receiving plug 86 with two receiving points 88.
- Each of the receiving sites 88 is electrically contacted with in each case one of the connection points 10 and designed to receive a tab 90 of a circuit breaker 2.
- one of the tabs 90 of the circuit breaker 2 is electrically contacted with one of the connection point 10 via the respective receiving point 88 in the assembled state.
- the course of the tab 90 is parallel to the axis 12, which is why the space requirement of the composite of the circuit breaker 2 under the adapter 84 is comparatively space-saving.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Fuses (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012024608.0A DE102012024608B4 (de) | 2012-12-15 | 2012-12-15 | Schutzschalter und Adapter für einen Schutzschalter |
PCT/EP2013/003492 WO2014090371A1 (de) | 2012-12-15 | 2013-11-19 | Schutzschalter und adapter für einen schutzschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2932522A1 true EP2932522A1 (de) | 2015-10-21 |
EP2932522B1 EP2932522B1 (de) | 2017-09-20 |
Family
ID=49765448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13805274.1A Active EP2932522B1 (de) | 2012-12-15 | 2013-11-19 | Schutzschalter und adapter für einen schutzschalter |
Country Status (6)
Country | Link |
---|---|
US (1) | US9552949B2 (de) |
EP (1) | EP2932522B1 (de) |
JP (1) | JP6225195B2 (de) |
CN (1) | CN104919562A (de) |
DE (2) | DE202012013004U1 (de) |
WO (1) | WO2014090371A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10566160B2 (en) | 2015-05-18 | 2020-02-18 | Gigavac, Llc | Passive triggering mechanisms for use with switching devices incorporating pyrotechnic features |
US9887055B2 (en) | 2015-05-18 | 2018-02-06 | Gigavac, Llc | Mechanical fuse device |
US11239038B2 (en) | 2015-05-18 | 2022-02-01 | Gigavac, Llc | Mechanical fuse device |
US9916939B1 (en) * | 2016-11-11 | 2018-03-13 | General Electric Company | Electrical distribution apparatus including barrier and methods of assembling same |
CN107871645B (zh) * | 2017-10-17 | 2019-05-14 | 天津航空机电有限公司 | 一种具有快速固定功能的小型装夹工具 |
JP7441605B2 (ja) * | 2018-01-02 | 2024-03-01 | ギガバック リミテッド ライアビリティ カンパニー | パイロテクニック式切断機能一体型接触器装置 |
US11443910B2 (en) | 2019-09-27 | 2022-09-13 | Gigavac, Llc | Contact levitation triggering mechanisms for use with switching devices incorporating pyrotechnic features |
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DE458967C (de) * | 1928-04-23 | Otto Fritz Dr Ing | Stecker fuer elektrische Leitungen | |
US1359298A (en) * | 1920-01-12 | 1920-11-16 | Harry E Wadsworth | Automatic electric-circuit breaker |
US1614223A (en) * | 1924-09-04 | 1927-01-11 | Otto Kuhn | Repeating electrical-circuit interrupter |
US2416358A (en) * | 1943-07-16 | 1947-02-25 | Pierce John B Foundation | Electric circuit breaker |
US2458804A (en) * | 1944-02-25 | 1949-01-11 | Sundt Edward Victor | Circuit protector |
US2474762A (en) * | 1945-05-26 | 1949-06-28 | Edward V Sundt | Circuit breaker |
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US3265835A (en) * | 1964-10-19 | 1966-08-09 | Morris B Wood | Miniature trip-free circuit breaker |
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JPS57163939A (en) * | 1981-03-31 | 1982-10-08 | Matsushita Electric Works Ltd | Solenoid relay |
DE3437802A1 (de) * | 1984-10-16 | 1986-04-17 | Horst von 2900 Oldenburg Elm | Adapter fuer hauptsicherungsautomaten |
US4635021A (en) * | 1985-06-14 | 1987-01-06 | Hsieh Teng Jui | Automatic overload tripper |
DE3610451A1 (de) * | 1986-03-27 | 1987-10-01 | Bbc Brown Boveri & Cie | Elektrisches installationsgeraet |
DE9110399U1 (de) * | 1991-08-22 | 1991-12-05 | Manske, Wolfgang, 2000 Hamburg | Anordnung zur Absicherung eines Stromkreises |
DE4406670C3 (de) * | 1994-03-01 | 1999-09-09 | Kopp Heinrich Ag | Leitungsschutzschalter |
US5471185A (en) * | 1994-12-06 | 1995-11-28 | Eaton Corporation | Electrical circuit protection devices comprising conductive liquid compositions |
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US5951328A (en) * | 1998-03-05 | 1999-09-14 | Roper, Jr.; Arthur L. | Blade-to-ferrule fuse adapter |
DE19856707A1 (de) * | 1998-12-09 | 2000-06-21 | Ellenberger & Poensgen | Schutzschalter zur Absicherung von Stromkreisen |
JP2004039373A (ja) * | 2002-07-02 | 2004-02-05 | Asahi Giken Kogyo Kk | 回路遮断器 |
DE10348864A1 (de) | 2003-10-21 | 2005-06-02 | Ellenberger & Poensgen Gmbh | Schutzschalter mit einer Bimetallschnappscheibe |
DE202004008338U1 (de) * | 2004-05-25 | 2005-10-06 | Ellenberger & Poensgen Gmbh | Schutzschalter zur Absicherung eines Stromkreises |
EP2251887B1 (de) * | 2009-05-15 | 2016-03-16 | Abb Ag | Elektromagnetische Schnellauslösevorrichtung |
-
2012
- 2012-12-15 DE DE202012013004.8U patent/DE202012013004U1/de not_active Expired - Lifetime
- 2012-12-15 DE DE102012024608.0A patent/DE102012024608B4/de not_active Expired - Fee Related
-
2013
- 2013-11-19 WO PCT/EP2013/003492 patent/WO2014090371A1/de active Application Filing
- 2013-11-19 CN CN201380065487.5A patent/CN104919562A/zh active Pending
- 2013-11-19 JP JP2015546885A patent/JP6225195B2/ja active Active
- 2013-11-19 EP EP13805274.1A patent/EP2932522B1/de active Active
-
2015
- 2015-06-15 US US14/739,523 patent/US9552949B2/en active Active
Non-Patent Citations (2)
Title |
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None * |
See also references of WO2014090371A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104919562A (zh) | 2015-09-16 |
JP2015537359A (ja) | 2015-12-24 |
US20150287563A1 (en) | 2015-10-08 |
EP2932522B1 (de) | 2017-09-20 |
US9552949B2 (en) | 2017-01-24 |
DE102012024608A1 (de) | 2014-06-18 |
DE202012013004U1 (de) | 2014-08-04 |
WO2014090371A1 (de) | 2014-06-19 |
DE102012024608B4 (de) | 2015-04-16 |
JP6225195B2 (ja) | 2017-11-01 |
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