EP2816582B1 - Auslöser und Herstellungsverfahren eines solchen Auslösers - Google Patents

Auslöser und Herstellungsverfahren eines solchen Auslösers Download PDF

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Publication number
EP2816582B1
EP2816582B1 EP14173112.5A EP14173112A EP2816582B1 EP 2816582 B1 EP2816582 B1 EP 2816582B1 EP 14173112 A EP14173112 A EP 14173112A EP 2816582 B1 EP2816582 B1 EP 2816582B1
Authority
EP
European Patent Office
Prior art keywords
trigger
trip
case
trip unit
block
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.)
Active
Application number
EP14173112.5A
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English (en)
French (fr)
Other versions
EP2816582A1 (de
Inventor
Mickael Bertrand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Priority to PL14173112T priority Critical patent/PL2816582T3/pl
Publication of EP2816582A1 publication Critical patent/EP2816582A1/de
Application granted granted Critical
Publication of EP2816582B1 publication Critical patent/EP2816582B1/de
Active legal-status Critical Current
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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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
    • 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
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H71/1009—Interconnected mechanisms
    • 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
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7418—Adjusting both electrothermal and electromagnetic mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H2011/0075—Apparatus or processes specially adapted for the manufacture of electric switches calibrating mechanical switching properties, e.g. "snap or switch moment", by mechanically deforming a part of the switch, e.g. elongating a blade spring by puncturing it with a laser

Definitions

  • the present invention relates to a tripping device for a circuit breaker, as well as to a method of manufacturing such a release.
  • a trigger coupled to the circuit breaker to detect an electrical fault and trigger the opening of the contacts of the circuit breaker when the occurrence of this electrical fault.
  • the trigger is generally in the form of a module that can be replaced by the consumer, in order to modify the electrical properties of the circuit breaker.
  • the circuit breaker generally comprises a fixed electrical contact and a movable electrical contact between a closed position, where it is electrically connected to the fixed contact and an open position, where it is electrically isolated from the fixed contact.
  • the fixed contact is connected to a first connection terminal of the circuit breaker to the electrical installation and the movable contact is connected to a second connection terminal of the circuit breaker to the electrical installation.
  • the circuit breaker is able to open the electrical connection between the two connection terminals, for example in case of detection of an electrical fault.
  • the electric release includes a firing pin that is capable of triggering the opening of the movable contact of the circuit breaker and a pivotally mounted trigger bar sliding on a metal shaft and coupled to the firing pin.
  • the trigger bar is able to release the striker, in order to move the movable contact in the open position, the appearance of an electrical fault detected by the trigger.
  • Known triggers generally include a one-piece housing supporting all functional parts of the trigger.
  • the molding of the housing is sometimes difficult to achieve and the housing is potentially fragile, depending on the desired dimensions for the trigger.
  • To install the metal shaft in the trigger two through holes are drilled in the housing. However, it is necessary to reseal these holes once the metal shaft installed, for reasons of electrical insulation.
  • the document EP-A1-1420431 discloses a trigger adapted to be connected to a circuit breaker, which trigger comprises a first block and a second block, the first block comprising a first housing having two walls, the second block comprising a second housing and at least one sensing element of a electrical fault, each detection member being disposed inside the second housing and comprising at least one movable element comprising a contact end adapted to be moved towards a tripping member, when it detects an electrical fault, the first block and the second block are two separate blocks from each other, in that the first housing and the second housing are adapted to be mechanically assembled to each other in an assembled configuration of the trigger, each end contact is adapted to cooperate mechanically with the triggering member, so that the trigger member is it is able to trigger the circuit breaker in the assembled configuration of the trip unit, when the corresponding detection unit detects an electrical fault.
  • EP-A2-1503396 it is known to EP-A2-1503396 to have a trigger comprising a housing in two parts: a rear part that includes all the functional elements of the trigger and a front portion in the form of cover.
  • the front part is mechanically assembled with the rear part to close the case.
  • This type of trigger is relatively complex to achieve with all the functional elements included in the rear part.
  • the object of the invention is therefore to provide a trigger easy to manufacture and whose manufacturing cost is limited.
  • the subject of the invention is a trigger capable of being connected to a circuit breaker, which trigger comprises a first block and a second block, the first block comprising a first housing comprising two walls, each wall comprising a receiving through orifice. a shaft, a tripping member of the circuit breaker mechanically connected to the shaft and accessible from outside the first housing, the second block comprising a second housing and at least one electrical fault detection member, each detection being disposed within the second housing and having at least one movable element comprising a contact end, adapted to be moved towards the trigger member, when it detects an electrical fault.
  • the first block and the second block are two separate blocks from each other, while the first housing and the second housing are adapted to be mechanically assembled to one another in a configuration. assembly of the trigger, and while each contact end is adapted to cooperate mechanically with the trigger member, so that the trigger member is adapted to trigger the circuit breaker assembled configuration of the trigger, when the body of the trigger corresponding detection detects an electrical fault.
  • the trigger comprises a first and a second separate casings which each include functional elements of the trigger, which facilitates the molding of the trigger and provides an easy trigger and inexpensive to achieve.
  • a trigger 10 adapted to be connected to a multipole electric circuit breaker, not shown, comprises a first block 12 and a second block 14 assembled to one another.
  • the trip unit 10 is a tripolar trip unit comprising three poles, that is to say, capable of being connected to a three-phase circuit breaker installed on a three-phase electrical installation, not shown.
  • the width of the trigger 10, parallel to a longitudinal axis X, is between 10 mm and 300 mm, preferably between 27 mm and 108 mm depending on the number of detection members 28, that is to say in function of the number of phases.
  • the trigger 10, in assembled configuration, has a height, parallel to a vertical axis Z of assembly of the first block 12 to the second block 14, between 50 mm and 500 mm, preferably between 80 mm and 120 mm, preferably still equal to 105 mm.
  • the trigger 10 is for example a magnetic trigger.
  • Y is a transverse axis of the trigger 10.
  • the first block 12 comprises a first housing 16, a first shaft 18, also called first axis, a trigger member 20 and a first member 24 for adjusting the position of the trigger member.
  • the second block 14 comprises a second housing 26, three connection pads E1, E2, E3, adapted to receive an input current of the second block 14, also called current input terminals and forming three inputs E1, E2, E3 of the second block 14, three connection pads S1, S2, S3, adapted to deliver a current at the output of the second block 14, also called current output terminals and forming three outputs S1, S2, S3 of the second block 14, and three organs 28 for detecting an electrical fault.
  • the first housing 16 comprises two walls 30 and 32 in which are formed two through holes 34 for receiving the first shaft 18.
  • the wall 32 is located at the figure 2 by one of its edges and only one of the two through orifices 34 is visible on the figures 2 and 5 .
  • the axis of the two through orifices 34 is, for example, parallel to the longitudinal axis X and the walls 30, 32 are preferably side walls perpendicular to the longitudinal axis X.
  • first housing 16 includes a first through hole 36 adapted to receive a member, not shown, for fixing the first block 12 to the second block 14, that is to say from the first housing 16 to the second housing 26.
  • the first housing 16 also comprises a lower face 38 generally open towards the outside so that the trigger member 20 is accessible from this lower face 38.
  • the first shaft 18 is positioned parallel to the longitudinal axis X and received in the through holes 34.
  • the trigger member 20 comprises a trigger bar 39 and a striker 40.
  • the first adjustment member 24 is adapted to adjust the position of the trigger member 20, more particularly of the trigger bar 39, relative to the first shaft 18, parallel to the longitudinal axis X.
  • the first adjustment member 24 is accessible from an upper outer face 42 of the first housing 16, opposite to the lower face 38.
  • the second housing 26 defines three housings 44 suitable for accommodating the three detection members 28.
  • the second housing 26 comprises two lateral walls 46 and 48 positioned on either side of the detection members 28 and whose geometry is adapted so that the first housing 16 mechanically assembles with the second housing 26. When the first housing 16 and the second housing 26 are mechanically assembled, the trigger is in an assembled configuration.
  • the second housing 26 also includes a second hole 50 adapted to receive the fixing member of the first block 12 to the second block 14, that is to say from the first housing 16 to the second housing 26.
  • Each detection member 28 is associated with an input E1, E2, E3 and a different output S1, S2, S3.
  • the detection members 28 are able to measure the intensity of the current flowing through each pole, that is to say each of the phases.
  • each detection member 28 comprises a coil 52 controlling the trigger 10, which surrounds a movable magnetic core 54, itself mechanically associated with a movable member 56.
  • the movable member 56 comprises a rocker 58 and an element of setting 60, the rocker 58 having an end 62 of contact with the trigger bar 39.
  • Each detection member 28 comprises a second shaft 64, also called second axis, and a second member 66 for adjusting the position of the movable core 54 with respect to the control coil 52, and thus the position of the movable member 56 .
  • the trip bar 39 is integral in sliding pivot connection with the first shaft 18.
  • the trip bar 39 is common to each pole, that is to say to each phase.
  • the trigger bar 39 comprises a trigger tongue 68 and a setting tab 70 each corresponding to a different phase.
  • the trip bar 39 is adapted to retain the striker 40, when no electrical fault appears and to release the firing pin 40, the appearance of an electrical fault.
  • the striker 40 is able to cooperate with the trip bar 39 and cause the circuit breaker contacts to open, if a fault current is detected by one of the detecting members 28.
  • the side walls 46 and 48 are clean, in the assembled configuration of the release, to obstruct the through holes 34 so that the first shaft 18 is not accessible from the outside of the release via said through holes 34.
  • Each control coil 52 is able to control the displacement of the corresponding mobile core 54 as a function of the current flowing through it.
  • Each movable magnetic core 54 is mechanically connected to the corresponding movable member 56 and is adapted to cause the movement thereof.
  • Each movable core 54 is adapted to move parallel to the vertical axis Z assembly of the first 16 and the second 26 housings.
  • Each movable element 56 is rotatably connected to the corresponding second shaft 64 and is adapted to rotate around the second shaft 64 when the corresponding movable core 54 moves.
  • each movable element 56 is positioned, along the vertical axis Z, below the trigger member 20. More precisely, when the trigger 10 is in assembled configuration, each contact end 62 is facing the corresponding release tab 68.
  • each movable element 56 and the corresponding movable core 54 depends on the current flowing through the corresponding control coil 52.
  • Each rocker 58 is rotatably connected to the second shaft 64 corresponding.
  • Each adjustment element 60 is integral in rotation with the corresponding second shaft 64 and is mechanically connected to the corresponding rocker 58.
  • Each adjustment element 60 comprises a face 72 of contact with the corresponding adjustment tab 70, when the trigger is in assembled configuration.
  • Each contact end 62 is adapted to cooperate mechanically with the trigger member 20, when the corresponding detection member 28 detects an electrical fault. More specifically, in the assembled configuration of the trigger 10, each contact end 62 is able to come into contact with the corresponding trigger tongue 68, so as to actuate the trigger bar 39, when the corresponding detecting member 28 detects a defect electric.
  • Each second shaft 64 is positioned parallel to the first shaft 18.
  • Each second adjusting member 66 is a screw for fixing the position of the adjusting member 60 and the rocker 58, that is to say of the movable member 56, and therefore of the movable core 54 along the axis vertical Z.
  • Each adjustment tab 70 makes it possible to fix the position of the corresponding adjusting element 60, in the assembled configuration of the trigger 10. Indeed, the element of Adjustment 60 is clean to come, by rotation around the second shaft 64, abutting against the adjustment tab 70-corresponding.
  • Each contact face 72 comprises a portion 74 inclined relative to the first shaft 18 and the longitudinal axis X.
  • the position of the movable element 56 varies as a function of the position of the movable magnetic core 52 and the presence or absence of an electrical fault. More precisely, it suffices for a detection member 28 to detect an electrical fault on one of the phases so that the corresponding movable element 56 comes into contact with the corresponding trigger tab 68 and triggers the trip bar 39. striker 40 is then released and triggers the opening of the contacts of the circuit breaker, that is to say the tripping of the circuit breaker.
  • the first hole 36 and the second hole 50 are aligned in assembled configuration of the release 10 and are adapted to receive the fastener of the first housing 16 to the second housing 26.
  • the trip bar 39 is translated along the first shaft 18, which makes it possible simultaneously to modify the position of each adjustment tab 70, according to the X longitudinal axis.
  • This modification of the position of each adjustment tab 70 makes it possible to modify the position of the adjustment element 60 and thus of the movable element 56 and the movable core 54. Indeed, during this adjustment, the adjusting tongue 70 is translated along the inclined portion 74 which abuts against the adjustment tab 70.
  • the adjusting element thus rotates around the second shaft 64 more or less important angle, so as to abut against the adjustment tab 70.
  • the first member of setting 24 thus makes it possible to calibrate the trigger 10 and consequently adjust the position of the adjusting element 60, and by mechanical connection to adjust the position of the movable element 56 with respect to the trigger member 20.
  • a first distance D1 between the contact end 62 and the trigger member 20 is thus set, this first distance D1 being measured parallel to the displacement of the contact end 62 when an electrical fault is detected in the assembled configuration of the trigger 10.
  • the first adjustment member 24 is operable by an operator and allows to adjust the protection gauge of the trigger 10 and therefore the circuit breaker.
  • the first adjustment member 24 and the second adjustment members 66 form an adjustment device 76 able to adjust the first distance D1.
  • Each second adjustment member 66 makes it possible to fix the position of the corresponding adjustment element 60 and thus of the corresponding mobile element 56 and the corresponding mobile core 54. This is an individual adjustment per phase, made in the factory, in order to calibrate the trigger and to have the same triggering caliber for each phase, that is to say for each detection member 28. The position initial rest of the movable core 54 relative to the coil 52, along the vertical axis Z, is thus determined.
  • each second adjustment member 66 thus makes it possible to fix the position of the corresponding movable element 56 and the corresponding contact end 62 with respect to each trigger tongue 68 and to the trigger bar 39.
  • first distance D1 between the contact end 62 and the trigger member 20 is thus adjusted.
  • a trigger 110 according to a second embodiment of the invention is shown.
  • the trigger 110 is adapted to be connected to a multipole electric circuit breaker, not shown.
  • the trigger 110 comprises a first block 112 and a second block 114.
  • the trigger 110 differs from the trigger 10 of the first embodiment in that it is a magnetothermal trigger, that is to say it is capable of performing both a magnetic detection and a thermal detection of an electrical fault.
  • the first block 112 comprises a first housing 116, a first shaft 118, also called a first axis, a release member 120 and a device 124 for adjusting the position of the release member 120.
  • the second block 114 comprises a second housing 126, three connection pads E4, E5, E6, adapted to receive an input current of the second block 114, also called current input terminals and forming three inputs E4, E5, E6 of the second block 114, three connection pads, suitable for delivering an output current of the second block 114, also called current output terminals and forming three outputs of the second block 114, of which only one S4 is represented at the figure 8 , and three members 128 for detecting an electrical fault.
  • the first housing 116 comprises in a similar manner to that which has been presented for the first embodiment two walls 130 and 132 in which are formed two through holes 134 for receiving the first shaft 118, only one of which is shown in FIG. figure 9 .
  • the first housing 116 also includes a first through hole 136 adapted to receive a fastener, not shown, from the first housing 116 to the second housing 126, and a lower face 138 generally open towards the outside of the first housing 116. , the trigger member 120 is accessible from this lower face 138.
  • the first shaft 118 is positioned in the through orifices 134 and extends along the longitudinal axis X.
  • the trigger member 120 comprises a trigger bar 139 and a striker 140.
  • the adjusting device 124 comprises three movable pins 141, also called adjustment members, only one of which is shown in FIG. figure 8 .
  • the adjusting device 124 mechanically cooperates with the trigger member 120 and is adapted to fix the position of the movable pin 141, along the transverse axis Y generally parallel to the walls 130 and 132.
  • the second housing 126 defines three housings 144 adapted to accommodate the three detection members 128 of an electrical fault.
  • the second housing 126 comprises two side walls 146 and 148, positioned on both sides of the detection members 128 and whose geometry is adapted, so that the first housing 116 mechanically assembles with the second housing 126.
  • the trigger 110 is, when the first housing 116 is assembled to the second housing 126, in assembled configuration.
  • the second housing 26 also has a second hole 145 adapted to receive the fastening member of the first block 112 to the second block 114, that is to say from the first housing 116 to the second housing 126.
  • the axis of assembly of the first housing 116 to the second housing 126 is, for example, parallel to the vertical axis Z.
  • Each detection member 128 is associated with a different input E1, E2, E3 and output S4. Each detection member 128 is capable of measuring the intensity of the current flowing through the corresponding pole, that is to say associated with the phase corresponding. Each detection member 128 also comprises a first movable element 150, a second movable element 152 and a fixed magnetic block 154.
  • the trigger bar 139 is integral in rotation with the first shaft 118.
  • the trigger bar 139 is common to each pole, that is to say to each phase.
  • the trigger bar 139 comprises three trigger tongues 160 each corresponding to a different phase.
  • the trigger bar 139 is able to retain the striker 140 when no electrical fault appears and to release the firing pin 140 at the occurrence of an electrical fault.
  • the firing pin 140 is able to cooperate with the trip bar 139 and cause the circuit breaker contacts to open when a fault current is detected by one of the detection members 128.
  • the side walls 146 and 148 are clean, in the assembled configuration of the trigger 110, to obstruct the through orifices 134, so that the first shaft 118 is not accessible from the outside of the release via said through orifices 134.
  • Each first movable member 150 is a bimetallic strip capable of being deformed during the occurrence of an electrical fault and comprises a first end 162 of contact with the mobile pin 141.
  • Each second movable element 152 comprises a movable magnetic block 164 and a contact block 166 rotatably connected to a second shaft 168, also called second axis, parallel to the first shaft 118.
  • Each fixed magnetic block 154 is able to be traversed by a current when the trigger 110 is associated with the circuit breaker, which is itself connected to an electrical installation, not shown. When traversed by this current, each fixed magnetic block 154 is able to generate a magnetic field capable of influencing the position of the second movable element 152 corresponding to the corresponding fixed magnetic block 154.
  • Each first contact end 162 is adapted to be moved in contact with the mobile pin 141, when an electrical fault occurs.
  • the contact block 166 comprises a second contact end 170 able to come into contact with the corresponding trigger tab 160 when an electrical fault occurs.
  • a spring 172 connects the second housing 126 to the second movable member 152.
  • the dimensions of the spring 172 determine from which value of the magnetic field generated by the fixed magnetic block 154, the moving magnetic block 164 is moved.
  • the adjustment device 124 makes it possible to adjust a second distance D2 between the triggering member 120, in particular the moving pin 141, and the corresponding first contact end 162, measured parallel to the displacement of the first contact end 162 during the first time. occurrence of an electrical fault, in assembled configuration of the trigger 110.
  • the bimetallic strip that is to say the first corresponding mobile element 150 heats up and deforms up to come into contact with the corresponding mobile pin 141.
  • This causes a mechanical connection between the movable pin 141 corresponding and the trigger bar 139, the displacement of the trigger bar 139 which releases the striker 140.
  • the striker 140 triggers the opening of the circuit breaker contacts, that is to say - Say again the tripping of the circuit breaker.
  • the corresponding fixed magnetic member 154 When an electrical fault occurs on a phase, corresponding to a short circuit in the electrical installation, the corresponding fixed magnetic member 154 is traversed by a very high current and generates a magnetic field, so that the corresponding movable magnetic member 164 moves to contact the corresponding fixed magnetic member 154.
  • the displacement of the movable magnetic element 164 causes the displacement of the corresponding contact member 166 in rotation around the corresponding second shaft 168.
  • the corresponding second contact end 170 then comes into contact with the corresponding release tongue 160. This causes a rotation of the trigger bar 139 which releases the striker 140 and triggers the opening of the contacts of the circuit breaker.
  • the height and width of the trigger 110 are substantially identical to those of the trigger 10 of the first embodiment.
  • a method of manufacturing a trigger 10, 110 comprises the following steps.
  • a first step is to mount the striker 40, 140 in the first housing 16, 116, then mechanically connect the trip bar 39, 139 with the first shaft 18, 118, to then mount the assembly formed by the trigger bar 39, 139 and the first shaft 18, 118 in the first housing 16, 116, that is to say position the first shaft 18, 118 in the through holes 34, 134 and mechanically associate the trip bar 39, 139 with the striker 40, 140, to form the trigger member 20, 120.
  • a second step is to mount the detection member 28, 128 in the second housing 26, 126. Following the first step and the second step, there is a first housing 16, 116 and a second housing 26, 126 to be assembled.
  • a third step consists in assembling the first housing 16, 116 and second housing 26, 126, each movable element 56, 150, 152 comprising a contact end 62, 162, 170 adapted to cooperate mechanically with the body 20, 120 so that the trigger member 20, 120 triggers the opening of the contacts of the circuit breaker, in the assembled configuration of the trip unit 10, 110, when the corresponding detection unit 18, 118 detects an electrical fault. .
  • the first housing 16, 116 and the second housing 26, 126 are molded separately.
  • Having a trigger 10, 110 in two parts makes it possible to mold a first housing 16, 116 and a second housing 26, 126 separately, the two housings having generally simple shapes.
  • the first 16, 116 and second 26, 126 boxes are then inexpensive parts to achieve and whose accuracy, in terms of size, does not need to be high.
  • the fact that the trigger 10, 110 comprises a first housing 16, 116 and a second housing 26, 126 makes it easier to obtain the dimensional accuracy necessary for the operation of the release 10, 110 with a trip unit 10, 110 monobloc.
  • a fourth step following the third step consists in using each second adjustment member 66 in order to fix the position of the corresponding movable core 54 and the corresponding movable element 56 with respect to the trigger tongue. 68 corresponding. More precisely, this adjustment makes it possible to calibrate the trigger, that is to say to fix the position of the contact end 62 with respect to the tripping member 20.
  • the first distance D1 between the contact end 62 corresponding and the trigger member 20, measured parallel to the direction of movement of the contact end 62 when an electrical fault occurs, in the assembled configuration of the trigger, is set.
  • a fifth step uniting in the third step is to move each adjusting member, that is to say each movable pin 141, through the adjusting device 124 along the transverse axis Y. Then, the position of each movable pin 141 is fixed by welding once its position corresponds to the desired caliber for the trigger is fixed. Thus, the second distance D2 is fixed between the trigger member 120 and the corresponding contact end 162, measured parallel to the displacement of the contact end, when an electrical fault occurs in the assembled configuration of the trigger.
  • the first adjustment member 24 allows the customer to calibrate the trigger without disassembling the first housing 16 and the second housing 26. It thus adjusts the first distance D1 between the trip bar 39 and the movable member 56. simultaneously for each phase and thus change the caliber of the trigger.
  • the second adjusting member 66 allows individualized adjustment per phase so as to compensate for the dispersions, in terms of dimensions, during the assembly of the first housing 16 and the second housing 26. This makes it possible to have a precision of manufacture during the molding the first housing and the second housing less than in the case of the one-piece actuator of the state of the art.
  • the first housing 16, 116 and the second housing 26, 126 each comprise functional elements which simplifies the molding of the two housings compared to a one-piece solution.
  • connection between the first block 12, 112 and the second block 14, 114 is achieved through a stable mechanical assembly, such as a system of slides, stops and screws.
  • the adjusting device 124 and the first adjustment member 24 allow to adjust the protection gauge of the trigger, that is to say the circuit breaker.
  • the second block 14, 114, and more particularly the second housing 26, 126 electrically insulate the first shaft 18, 118 from the outside of the housing, while respecting the width of the final product. It is thus possible to make the through holes to mount the shaft in the first housing, and then to easily obstruct them without a complex operation or a complex structure is necessary.
  • the number of poles of the triggers presented is not limiting of the invention, that is to say that the trigger is for example alternatively a single-phase trigger. It comprises in this case a single detection member 28, 128.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Breakers (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (10)

  1. Auslöser (10; 110), der in der Lage ist, um mit einem Schutzschalter verbunden zu sein, welcher Auslöser (10; 110) aufweist einen ersten Block (12; 112) und einen zweiten Block (14; 114), wobei der erste Block (12; 112) aufweist:
    - ein erstes Gehäuse (16; 116), das zwei Wände (30, 32; 130, 132) aufweist, wobei jede Wand eine Durchgangsöffnung (34; 134) zur Aufnahme einer Achse (18; 118) aufweist,
    - ein Organ zur Auslösung (20; 120) des Auslösers, das mechanisch mit der Achse (18; 118) verbunden ist und das von der Außenseite des ersten Gehäuse (16; 116) aus zugänglich ist,
    wobei der zweite Block (14; 114) aufweist ein zweites Gehäuse (26; 126) und wenigstens ein Organ zur Detektion (28; 128) eines elektrischen Fehlers, wobei jedes Organ zur Detektion (28; 128) im Inneren des zweiten Gehäuses (26; 126) angeordnet ist und wenigstens ein bewegbares Element (56; 150; 152), das ein Kontaktende (62; 162, 170) aufweist, aufweist und das in der Lage ist, in Richtung zu dem Organ zur Auslösung (20; 120) verlagert zu werden, wenn es einen elektrischen Fehler detektiert,
    wobei der erste Block (12; 112) und der zweite Block (14; 114) zwei voneinander verschiedenen Blöcke sind, wobei das erste Gehäuse (16; 116) und das zweite Gehäuse (26; 126) in der Lage sind, in einer Zusammenbaukonfiguration des Auslösers (10; 110) mechanisch miteinander verbunden zu sein, und wobei jedes Kontaktende (62; 162, 170) in der Lage ist, mechanisch mit dem Organ zur Auslösung (20; 120) zusammenzuwirken, sodass das Organ zur Auslösung (20; 120) in der Lage ist, in der Zusammenbaukonfiguration des Auslösers (10; 110) den Schutzschalter auszulösen, wenn das korrespondierende Organ zur Detektion (28; 128) einen elektrischen Fehler detektiert.
  2. Auslöser gemäß Anspruch 1, dadurch gekennzeichnet, dass das zweite Gehäuse (26; 126) zwei laterale Wände (46, 48; 146, 148) aufweist, die in der Lage sind, in der Zusammenbaukonfiguration des Auslösers die Durchgangsöffnungen (34; 134) zu versperren, sodass die Achse (18; 118) dann nicht von der Außenseite des Auslösers her über die besagten Durchgangsöffnungen (34; 134) zugänglich ist.
  3. Auslöser gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslöser (10; 110) wenigstens eine Regelvorrichtung (76; 124) aufweist, die in der Lage ist, eine Distanz (D1; D2) zwischen dem Organ zur Auslösung (20; 120) und dem korrespondierenden Kontaktende (62; 162, 170) zu regeln, die parallel zur Verlagerung des Kontaktendes (62; 162, 170) gemessen ist während der Detektion eines elektrischen Fehlers in der Zusammenbaukonfiguration des Auslösers.
  4. Auslöser gemäß Anspruch 3, dadurch gekennzeichnet, dass die Regelvorrichtung (124) aufweist für jedes korrespondierende bewegbare Element (150) ein Regelorgan (141), welches mechanisch mit dem Organ zur Auslösung (120) zusammenwirkt und in der Lage ist, in der Zusammenbaukonfiguration des Auslösers in Richtung zu dem Kontaktende (162) oder dazu entgegengesetzt verlagert zu werden.
  5. Auslöser gemäß Anspruch 3, dadurch gekennzeichnet, dass die Regelvorrichtung (76) ein erstes Regelorgan (24) aufweist, das in der Lage ist, jedes Kontaktende (62) in Richtung zu dem Organ zur Auslösung (20) oder dazu entgegengesetzt zu verlagern, parallel zur Verlagerung des Kontaktendes (62) während der Detektion eines elektrischen Fehlers in der Zusammenbaukonfiguration des Auslösers, und dass das erste Regelorgan (24) von einer Außenseite (42) des ersten Gehäuses (16) aus zugänglich ist.
  6. Auslöser gemäß Anspruch 5, dadurch gekennzeichnet, dass die Regelvorrichtung für jedes korrespondierende bewegbare Element ein zweites Regelorgan (66) aufweist, welches in der Lage ist das korrespondierende Kontaktende (62) zu verlagern in Richtung zu dem Organ zur Auslösung (20) oder entgegengesetzt dazu, parallel zur Verlagerung des Kontaktendes (62) während der Detektion eines elektrischen Fehlers in der Zusammenbaukonfiguration des Auslösers.
  7. Auslöser gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Gehäuse (16; 116) ein erstes Loch (36; 136) aufweist, dass das zweite Gehäuse (26; 126) ein zweites Loch (50; 145) aufweist, und dass in der Zusammenbaukonfiguration des Auslösers das erste (36; 136) und das zweite (50; 145) Loch ausgerichtet sind und in der Lage sind, ein Organ zur Fixierung des ersten Gehäuses (16; 116) am zweiten Gehäuse (26; 126) auszunehmen.
  8. Verfahren zur Herstellung eines Auslösers (10; 110), der in der Lage ist, mit einem Schutzschalter verbunden zu sein, wobei der Auslöser (10; 110) einen ersten Block (12; 112) und einen zweiten Block (14; 114) aufweist, wobei der erste Block (12; 112) aufweist:
    - ein erste Gehäuse (16; 116), welches zwei Wände (30, 32; 130, 132) aufweist, wobei jede Wand eine Durchgangsöffnung (34; 134) zur Aufnahme einer Achse (18; 118) aufweist,
    - ein Organ zur Auslösung (20; 120) des Auslösers, das mechanisch mit der Achse (18; 118) verbunden ist und von der Außenseite des ersten Gehäuses (16; 116) aus zugänglich ist, wobei der zweite Block (14; 114) ein zweites Gehäuse (26; 126) und wenigstens ein Organ zur Detektion (28; 128) eines elektrischen Fehlers aufweist, wobei jedes Organ zur Detektion (28; 128) im Inneren des zweiten Gehäuses (26; 126) angeordnet ist und wenigstens ein bewegbares Element (56; 150, 152), das ein Kontaktende aufweist (62; 162, 170), aufweist, das in der Lage, um in Richtung zu dem Organ zur Auslösung (20; 120) verlagert zu werden, wenn es einen elektrischen Fehler detektiert,
    dadurch gekennzeichnet, dass das Verfahren die folgenden Schritte aufweist:
    - a) die Montage einer Baugruppe, die von der Achse (18; 118) und dem Organ zur Auslösung (20; 120) gebildet wird, im ersten Gehäuse (16; 116),
    - b) die Montage des Organs zur Detektion (28; 128) im zweiten Gehäuse (26; 126),
    - c) die Montage des ersten Gehäuses (16; 116) und des zweiten Gehäuses (26; 126), wobei das Kontaktende (62; 162, 170) in der Lage ist, mit dem Organ zur Auslösung (20; 120) mechanisch zusammenzuwirken, sodass das Organ zur Auslösung (20; 120) in der Lage ist, den Schutzschalter auszulösen, in der Zusammenbaukonfiguration des Auslösers, wenn das korrespondierende Organ zur Detektion (28; 128) einen elektrischen Fehler detektiert.
  9. Verfahren gemäß Anspruch 8, dadurch gekennzeichnet, dass vor Schritt (a) das erste (16; 116) und das zweite Gehäuse (26; 126) separat geformt werden.
  10. Verfahren gemäß den Ansprüchen 8 oder 9, dadurch gekennzeichnet, dass der Auslöser (10; 110) für jedes korrespondierende bewegbare Element (56; 150) ein Regelorgan (66; 141) aufweist und dass folgend auf den Montage-Schritt das Regelorgan verwendet wird, um den Auslöser zu kalibrieren und um eine Distanz (D1; D2) zwischen dem Organ zur Auslösung (20; 120) und dem korrespondierenden Kontaktende (62; 162) zu fixieren, welche parallel zur Verlagerung des Kontaktendes (62; 162) gemessen wird während der Detektion eines elektrischen Fehlers in der Zusammenbaukonfiguration des Auslösers.
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ES2562486T3 (es) 2016-03-04
PL2816582T3 (pl) 2016-06-30
CN104241046B (zh) 2018-08-28
MX2014007309A (es) 2014-12-19
KR20140147758A (ko) 2014-12-30
JP2015005516A (ja) 2015-01-08
US9202655B2 (en) 2015-12-01
CN104241046A (zh) 2014-12-24
RU2662733C2 (ru) 2018-07-30
FR3007573A1 (fr) 2014-12-26
JP6345498B2 (ja) 2018-06-20
US20160042887A1 (en) 2016-02-11
BR102014014343A2 (pt) 2015-06-02
BR102014014343B1 (pt) 2021-08-31
EP2816582A1 (de) 2014-12-24
US10096436B2 (en) 2018-10-09

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