EP2747104B1 - Appareil de commutation multipolaire - Google Patents

Appareil de commutation multipolaire Download PDF

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Publication number
EP2747104B1
EP2747104B1 EP13164572.3A EP13164572A EP2747104B1 EP 2747104 B1 EP2747104 B1 EP 2747104B1 EP 13164572 A EP13164572 A EP 13164572A EP 2747104 B1 EP2747104 B1 EP 2747104B1
Authority
EP
European Patent Office
Prior art keywords
switching device
multipole
multipole switching
state
front cover
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
EP13164572.3A
Other languages
German (de)
English (en)
Other versions
EP2747104A1 (fr
Inventor
Alex Büttner
Philipp Steinberger
Joram Masel
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.)
Woehner GmbH and Co KG Elektrotechnische Systeme
Original Assignee
Woehner GmbH and Co KG Elektrotechnische Systeme
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.)
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Publication date
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Publication of EP2747104A1 publication Critical patent/EP2747104A1/fr
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Publication of EP2747104B1 publication Critical patent/EP2747104B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/06—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using tools as locking means
    • H01H2300/066—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using tools as locking means for locking a switch in a test or an "installation" position

Definitions

  • the invention relates to a multi-pole switching device for a busbar system.
  • Busbar systems are widely used and allow switchgear to be mounted directly on the rail during installation.
  • the dimensioning of the busbar is primarily dependent on the current load.
  • the cross section of a busbar or a busbar depends not only on the current load but also on the mechanical loads and on the type of equipment connected.
  • switchgear several busbars can be laid parallel.
  • the busbars are usually made of aluminum or copper and are usually uninsulated, which simplifies the assembly of connection and switching elements.
  • Conventional multi-pole switching devices can be used to connect electrical devices to the busbar system and protect against overload by, for example, an electrical fuse is interposed to secure the electrical device. This component can be replaced by an installer if necessary.
  • Such a switching device is from the document DE 101 29 176 C1 known.
  • the invention accordingly provides a multi-pole switching device for a busbar system with a mounted on the housing of the switching device movable front cover, which in an on state of the multi-pole switching device at least one receiving unit for receiving a component, in particular a fuse, locked.
  • a fitter in a switched-on state of the multipolar switching device, a fitter does not have the possibility of replacing a component, for example an electrical fuse, and is therefore protected against touching live parts.
  • the movable front cover of the multi-pole switching device can be actuated by an operating unit which moves an existing within the housing of the multi-pole switching device shift linkage in opposite directions or the front cover such that switching contacts of the multi-pole switching device in the on state of the multi-pole Switching device are closed.
  • the multi-pole switching device covers the movable front cover of the multi-pole switching device in the on state of the multi-pole switching device access openings, which are provided for mechanical actuation of spring terminals for clamping connecting lines and / or terminal screws for tightening connection lines.
  • the multi-pole switching device moves when the spring clamp closed a web of movable front cover upon actuation of the control unit for switching the multi-pole switching device in a corresponding recess of the mechanical drive of the spring clamp, so that it is ensured that all spring terminals are closed when you turn.
  • the web may also be provided on a section, in particular a drive, of the spring-loaded terminal, and the front cover may have a corresponding recess.
  • the multi-pole switching device moves when the spring clamp terminal of the web of the movable front cover when pressing the control unit to turn on the multi-pole switching device not in the corresponding recess of the mechanical drive of the spring clamp, so switching on the multi-pole switching device is blocked and the switching device in remains switched off.
  • the movable front cover on blocking lugs which block in the on state of the multi-pole switching device actuation of the receiving units of the multi-pole switching device.
  • the receiving units may each have a blocking nose.
  • the receiving units of the multi-pole switching device in the off state of the multi-pole switching device are each movable against an associated outgoing contact to close an associated circuit, after an associated switching contact by the opposite or in the same direction to the front cover movable Shift linkage is closed.
  • the movable front portion of the movable switching device on test holes, which in the on state of the multi-pole switching device each contacting the outgoing contact with a Test pin for checking the voltage applied.
  • the switching contacts of the multi-pole switching device are each formed by a switching link connected to the switching bridge, which connects in the on state of the multi-pole switching device agna toast the respective pivotable drawer with a busbar contact of the multi-pole switching device.
  • a component in particular an electrical fuse, can be inserted into the receiving unit of the multi-pole switching device in its switched-off state.
  • a display surface is attached to the shift linkage, which visually indicates to a user the actual switching state of the multi-pole switching device regardless of the position of the operating unit and the front cover by a present in the front cover window.
  • the movable front cover has a sealing opening for sealing the multi-pole switching device.
  • the receiving unit of the multi-pole switching device is unlocked in the switched-off state of the multi-pole switching device and pulled out via a guide groove from the housing of the multi-pole switching device to a component, in particular an electrical fuse, inserted into the withdrawn, but not removable and thus captive receiving unit.
  • a compression spring or leaf spring is provided on the foot contact of the receiving unit, which provides a predetermined contact pressure between a component inserted into the receiving unit and the foot contact of the receiving unit and the inserted component and the outgoing contact of the receiving unit.
  • the multi-pole switching device from an off state by operating the control unit in the on state can only be transferred if all receiving units of the multi-pole switching device are moved to their respective outgoing contact and also all spring terminals for connecting a conductor the outgoing contact are connected.
  • the receiving unit for receiving a component is formed by a drawer into which a component, in particular an electrical fuse, can be used in the switched-off state of the multi-pole switching device.
  • the receiving unit in particular drawer, is pivotable about an axis and pulled out of the housing of the multi-pole switching device in its off state for insertion of the component.
  • the operating unit is a rocker arm.
  • the operating unit is a rotary drive.
  • Fig. 1 shows a front view of an example of a multi-pole switching device 1 for a busbar system according to the invention.
  • the multi-pole switching device 1 is in the on state after a provided on the multi-pole switching device 1 control unit 2, which is, for example, a rocker arm, has been manually pivoted to the on state.
  • This in Fig. 1 shown multi-pole switching device 1 can be mounted on several parallel busbars of a busbar system.
  • the multi-pole switching device 1 can be mounted on three parallel busbars.
  • In the assembled State is in the Fig. 1 right side of the multi-pole switching device 1 below (U) and in Fig. 1 shown left side of the multi-pole switching device 1 above (0).
  • FIG. 1 shows a front cover 3 of the multi-pole switching device 1 from above or from the front from the view of the user or mechanic.
  • the front cover 3 is located on the side facing away from the busbars side of the multi-pole switching device 1.
  • the front cover 3 is movably mounted on the housing of the switching device 1.
  • the front cover 3 can be laterally or laterally displaced in the multi-pole switching device 1 according to the invention. To reach the in Fig. 1 shown switched state of the multi-pole switching device 1 moves the front cover 3 to the left or above (0).
  • the front cover 3 moves to the right or down (U).
  • the multi-pole switching device 1 there are a plurality of receiving units 4-1, 4-2, 4-3, which are each provided for receiving a component, in particular a fuse.
  • the receiving units 4-1, 4-2, 4-3 can be, for example, drawers into which a component, in particular an electrical component, can be inserted.
  • the component may be, for example, a fuse.
  • the movable front cover 3 locks the receiving units 4-1, 4-2, 4-3 in the switched-on state of the multi-pole switching device 1, so that no components can be inserted or removed.
  • the installer does not have the opportunity to accidentally replace components, especially electrical fuses, and thus does not expose himself to the risk of a current or voltage shock.
  • the multi-pole switching device 1 is a three-pole Switching device 1, which can be mounted on three parallel current busbars.
  • the number of receiving units 4-i corresponds to the number of parallel busbars.
  • the number of poles or current busbars and the corresponding number of recording units 4-i can vary.
  • the switching device 1 may also be designed as a two-pole switching device.
  • the operating unit 2 for example, a rocker arm, operated by the operator to the multi-pole switching device 1 in an on state according to Fig. 1 to spend, moves the front cover 3 upwards and locks the receiving units 4-i, in particular drawers, for example, each using a mounted on the front cover 3 pin.
  • the movable front cover 3 of the multi-pole switching device 1 can be actuated by the operating unit 2, wherein a present within the housing of the multi-pole switching device 1 shift linkage is moved in opposite directions or the same to the front cover 3 such that switching contacts of the multi-pole switching device 1 in the on state of the multi-pole switching device 1 are closed.
  • An embodiment of such a shift linkage is in Fig. 5 shown.
  • the movable front cover 3 of the multi-pole switching device 1 access openings to the housing of the multi-pole switching device 1, which are provided for mechanical actuation of spring terminals for clamping of leads and / or terminal screws for tightening connection lines.
  • the front cover 3 access openings 5-1, 5-2, 5-3, which are moved to the left in the on state, so that the front cover 3 at these points access openings in the housing of the multi-pole switching device 1 obscured.
  • these access openings are provided for mechanical drives of spring terminals for clamping connection lines.
  • these access openings may be provided within the housing of the multi-pole switching device 1 for terminal screws for tightening connection lines.
  • the movable front cover 3 of the multi-pole switching device also test holes 6-1, 6-2, 6-3, which allow in an on state of the multi-pole switching device 1 each contacting a outgoing contact with a test pin for checking an electrical voltage applied there .
  • the front cover has a corresponding number of test holes 6-1, 6-2, 6-3, which allow contacting of an associated outgoing contact, for example with a test pin. In this way, the fitter or the operator in the switched-on state can check whether an electrical voltage U is present at the outgoing contact of the respective receiving unit 4-i or not.
  • the multi-pole switching device 1 is on the in Fig. 5 shown shift linkage 9, a display surface 17 is mounted, the indicated by a present in the front cover 3 viewing window 7 a user the actual switching state of the multi-pole switching device 1, regardless of the position of the control unit 2 and the front cover 3 optically.
  • the user is shown a correspondingly color-coded display area through the viewing window 7 of the front cover 3.
  • the movable front cover 3 preferably has blocking lugs, which in the switched-on state of the multi-pole switching device 1 block an actuation of the receiving units 4-i of the multi-pole switching device 1, as in FIGS FIGS. 10, 11, 12 shown in more detail.
  • a pin of the movable front cover 3 moves on actuation of the operating unit 2 to switch on the multi-pole switching device 1 in a corresponding recess of the mechanical drive of the spring clamp, so that the multi-pole switching device 1, the on state, as in Fig. 1 is shown, can take.
  • this can therefore only be converted from its switched-off state by actuating the operating unit 2 into the switched-on state if all receiving units 4-1, 4-2, 4-3 of the multi-pole switching device 1 are moved to their respective outgoing contact are pivoted and in addition all spring-loaded terminals for connecting a conductor to the outgoing contact are closed.
  • Fig. 2 shows that in Fig. 1 illustrated embodiment of a multi-pole switching device 1 in an off state from the front. How to get in Fig. 2 can recognize the control unit or the rocker arm 2 is pivoted to the right or bottom (U) and the multi-pole switching device 1 is in the off state.
  • the movable front cover 3 moves to the right relative to the housing of the multi-pole switching device 1.
  • the openings drive 5-1, 5-2, 5-3 within the front cover 3 fit over the access openings within the housing of the switching device 1, as in Fig. 2 shown.
  • the openings drive 5-1, 5-2, 5-3 within the front cover 3 fit over the access openings within the housing of the switching device 1, as in Fig. 2 shown.
  • the openings drive 5-1, 5-2, 5-3 within the front cover 3 fit over the access openings within the housing of the switching device 1, as in Fig. 2 shown.
  • the access openings for mechanical actuators 8-i are provided by spring terminals for clamping connection lines.
  • spring terminals for clamping connection lines One recognizes in Fig. 2 from above mechanical drives 8-1, 8-2, 8-3 of spring-loaded terminals.
  • the test holes are at least partially hidden in the illustrated embodiment, since a check of the applied voltage at the outgoing contacts is not required.
  • the visible in the viewing window 7 of the front cover 3 display area 17 shows, as in Fig. 2 shown to the user that the multipolar switching device 1 is in the off state.
  • the operating unit 2 for example, a rocker arm, on which the shift linkage 9 is coupled to the switch contacts, actuated in the OFF position, the front cover 3, which is also attached to the rocker arm 2, moved down or back.
  • This also causes the release of the required space for tilting and pulling out of the receiving units 4-1, 4-2, 4-3, for example, from drawers for electrical fuses.
  • This ensures that an actuation of the receiving units 4-i, for example fuse holders or fuse drawers, and replacement of the component is possible only in a voltage-free and safe state.
  • the mechanical drives of the spring-type terminals for the outgoing lines for the user are accessible.
  • the openings 5-1, 5-2, 5-3 in the front cover 3 are in the OFF position directly above the openings in the housing of the multi-pole switching device 1. This allows mechanical drives operated by spring clamps through the superimposed openings by the fitter become.
  • the front cover 3 is shifted so far that the openings 5 in the front cover 3 and the access openings within the housing of the switching device 1 no longer overlie each other and thus prevent accessibility to the mechanical drive of the spring terminals.
  • the receiving units 4-1, 4-2, 4-3 of the switching device 1 are unlocked and can be pulled out, for example via a guide groove from the housing of the multi-pole switching device 1 to insert a respective component in the extracted receiving unit
  • the multipolar switching device 1 for actuating the operating lever 2 in the on state according to Fig. 1 only convertible if all receiving units 4-1, 4-2, 4-3 of the multipolar switching device 1 are retracted again and moved to their respective outgoing contact or pivoted and beyond all spring terminals are closed to connect a conductor to the outgoing contact.
  • the receiving units 4-1, 4-2, 4-3 for receiving an electrical component, such as a fuse, are formed in a possible embodiment by drawers, in each of which a component in the off state of the multi-pole switching device 1 can be used.
  • the recording unit 4-i in particular drawer, preferably pivotable about an axis and for inserting the component from the housing of the multi-pole switching device 1 in the off state of the multi-pole switching device 1 can be pulled out.
  • the drawer can not be lost or the drawer is captive. After insertion of the component, the drawer can be inserted back into the housing in the off state of the multi-pole switching device 1 and then pivoted about the axis such that the drawer rests against the respective outgoing contact and thereby an electrical circuit is closed.
  • the drawers can also be pushed back into the housing and then pivoted against the respective outgoing contact.
  • the multi-pole switching device 1 As a result, errors in the installation of the devices are recognized and prevented to the multipole switching device. For example, if a fitter mistakenly forgets to close a spring-loaded terminal, the multi-pole switching device 1 can not be brought into the switched-on state. In this case, the installer has the ability to then close the spring clamp, so then switching on the multi-pole switching device is possible.
  • This embodiment has the advantage that a faulty mounting of devices to the multi-pole switching device 1 can be shown and eliminated.
  • the housing has two housing shells.
  • Fig. 3 shows a view in the multi-pole switching device 1 without the upper housing part in an on state of the multi-pole switching device 1.
  • the rocker arm 2 is pivoted counterclockwise to the left, with the front cover 3 also moves to the left and above, and thus locks the receiving units 4-i.
  • the front cover 3 moves in opposite directions to the rocker arm 2.
  • a toggle lever 10 via a rod or an elongated bracket 11 which is connected to the rocker arm 2, in opposite directions to the front cover 3 to the right or down (U) moves, with switching contacts of the multi-pole switching device 1 in the end position in the switched-state of the multi-pole switching device 1 are closed.
  • a bearing 10 a for the toggle 10 for the toggle 10.
  • FIG. 5 can recognize, are located on the shift linkage 9 switching contacts 12-1, 12-2, 12-3 to close in the on state of the multi-pole switching device 1 an associated circuit, provided that the associated component is inserted into a corresponding receiving unit 4-i and against the associated outgoing contact has been pivoted. In the in Fig. 5 illustrated embodiment, it is the switching contacts 12-1, 12-2, 12-3 to jumpers. In the switched-on state of the multi-pole switching device 1, these switching bridges connect a foot contact of the respective pivotable drawer to a busbar contact 13-1, 13-2, 13-3 of the multipolar switching device 1. To achieve the necessary Contact force is provided for each switching contact or each switching bridge 12-1, 12-2, 12-3 an associated compression spring 14-1, 14-2, 14-3, as in Fig. 5 shown.
  • Each switching bridge 12-i has two switching contacts, which are provided at the two distal ends. In the switched-on state, these contacts on the one hand make contact with a foot contact of the pivotable drawer or receiving unit 4-i and on the other hand make contact with a busbar contact 13-i, which contacts the associated busbar.
  • the return springs 15-1, 15-2 ensure a stable, self-reinforcing position of the shift linkage in the switched-on state of the multipolar switchgear 1.
  • the shift linkage 9 also contours 16-1, 16-2, 16-3, which are provided for locking the drawers in the case of welded contacts.
  • the display surface 17 is attached or formed on the shift linkage 9, which visually indicates the actual switching state of the multi-pole switching device 1 regardless of the position of the operating unit 2 and the front cover by the present in the front cover 3 viewing window.
  • each rail contact 13-i of the multi-pole switching device is preferably a compression spring 18-1, 18-2, 18-3, which is used for clearance compensation and to provide a contact force and ensures a fixed mounting of the multi-pole switching device 1 on the busbars.
  • the switching device 1 has for each rail an associated rail contact 13-i for electrical contacting of the respective rail.
  • At the in Fig. 3 illustrated embodiment is located at each rail contact 13-i of the switching device 1 integrally formed on the housing of the switching device 1 the respective rail contact 13-i opposite housing contour 19-i, which is mechanically removable for mounting the switching device 1 on a thick rail.
  • the removal of the housing contour 19-1, 19-2, 19-3 can be done with the aid of a tool respectively.
  • the molded housing contour 19-i is broken out of the housing of the switching device 1, for example by means of a screwdriver.
  • the housing contour 19-1 remains.
  • the housing contour 19-i is removed by the fitter with the aid of a screwdriver.
  • the housing contour 19-i forms a combination foot that can be broken below the support surface of a thick busbar, for example, 10 mm thickness. This ensures a clean support on the busbar.
  • a special shape of the housing contour 19-i ensures that, when the housing contour breaks out, the busbars do not come to lie on the breakout but on separate surfaces.
  • the molded housing contour 19-i is provided on a respective rail contact 13-i opposite Aufsetznase 20-i of the housing for mounting the switching device on the rail.
  • the molded housing contour is hump-shaped and has two converging webs, which are integrally formed on the rail contact 13-1 opposite Aufsetznase 20-i of the housing.
  • the housing of the switching device 1 is made of plastic.
  • the molded housing contour 19-i is then also made of plastic.
  • the multi-pole switching device 1 is spent in the off state, as in Fig. 4 shown.
  • the rocker arm 2 is rotated clockwise down or right, so that the front cover 3 is also pulled to the right.
  • the front cover 3 engages at the lower distal end in a recess 21 of a wheel 22 which is connected to the rocker arm 2.
  • the distal lower end 23 of the front cover 3 is thereby pulled down, so that the receiving units 4-i in the fully off State of the multipolar switching device 1 are unlocked.
  • the bracket 11 in particular a wire hanger, which is connected to the toggle lever 10, moves upward.
  • the bracket 11 is guided at its upper end in a further recess or a slot 25 of the Kipphebelrades 22 with degrees of freedom and is moved by the pivoting of the rocker arm 2 in the clockwise direction upwards.
  • a slot 25 In the recess 25 is a slot, which offers the wire bracket 11 during movement one degree of freedom.
  • the upwardly moving bracket 11 simultaneously attracts the toggle lever 10, so that the shift linkage 9 moves by spring force to the left or above, ie in opposite directions to the front cover 3.
  • the toggle lever 10 is based on a U-shaped portion of the shift linkage 9, as in the Figures 3 . 4 shown. How to get out Fig. 3 .
  • the toggle lever 10 provides a switching hysteresis when switching.
  • the resistance force occurring is adjustable via the leaf spring 26.
  • the leaf spring 26 provides for a reduction of the mechanical play of the rocker arm 2, resulting in a more pleasant operating experience for the user.
  • the kinematics or switching speed can be adjusted by the shape of the leaf spring 26. With the help of the specially shaped leaf spring 26, it is possible to define a specific switching point, wherein after exceeding the switching point of the shift lever 2 passes without further force into the other switching state.
  • the shift lever 2 moves independently in the final switching position, as in Fig. 3 is shown. Therefore, after exceeding the switching point, in particular in a switch-off, an operator-independent switching off of the switching device 1 by means of the elongated hole 25, the leaf spring 26, the return springs 15 and the toggle lever 10th
  • Fig. 6 shows a side view of the housing of the multi-pole switching device 1 in its off state.
  • This in Fig. 6 illustrated three-pole switching device 1 has on its underside three Aufsetznasen 20-1, 20-2, 20-3, which are provided for mounting the switching device 1 on three busbars.
  • an associated housing contour 19-i is formed on each Aufsetznase 20-i, which are mechanically removable for mounting the switching device 1 on thick rails.
  • a locking element 27 is provided for the lowest busbar at the in Fig. 6 illustrated embodiment.
  • a spacer rib 28 which protects the cover panels when snapping the device. How to get in Fig. 6 can recognize 1, wave-shaped cooling slots 29-1, 29-2, 29-3 can be located in the housing of the multi-pole switching device.
  • Fig. 7 shows a side view of the housing of the multi-pole switching device 1 in its off state from the right. This in Fig. 6 . 7 shown three-pole switching device 1 can be placed on three busbars with three phases L1, L2, L3.
  • Fig. 8 shows a view of the housing of a multi-pole switching device 1 from above.
  • Fig. 9 shows a view on the Housing of the multi-pole switching device 1 from below. How to get in Fig. 9 can recognize, an opening 30 is provided in the housing of the multi-pole switching device 1, which can serve to mount a U-lock. This is in the FIGS. 18A, 18B shown in detail. How to get in Fig.
  • the rocker arm 2 may be connected via a web 31 with the wheel 22 of the rocker arm 2, wherein in the web 31 an opening 32 is provided through which a U-shaped bracket 33 of a padlock 34 can be performed ,
  • the bracket 33 is thereby passed through both the opening 30 of the housing of the multi-pole switching device 1 and through the opening 32 of the connecting web to prevent in the illustrated embodiment, a pivoting of the rocker arm 2 from the off position to the on position.
  • Shackle lock shown can be done by the two openings and a seal in the on state.
  • the opening 30 within the housing represents a sealing opening for sealing the multipolar switching device 1.
  • the multi-pole switching device 1 can be blocked in the on state with a sealer or a padlock. Which of the two alternatives is chosen depends on the respective application.
  • Fig. 18A shows a sectional view along the section line KK in Fig. 18B with the shift lever 2 in the off state.
  • the Plombierö réelle 30 within the housing of the multi-pole switching device 1 provides additional security against incorrect operation, especially by inexperienced users or unauthorized third parties.
  • Fig. 10 shows a detailed view of a multi-pole switching device 1 from above in a region of the front cover 3, in which a receiving unit 4-i is to receive a component.
  • the receiving unit 4-i is a drawer, which in is a locked state.
  • Fig. 11 shows a sectional view along the section line HH in Fig. 10 .
  • the front cover 3 is moved upwards and locks the receiving unit 4-i by means of a corresponding blocking lug 35-i, as in FIG Fig. 11 shown.
  • the blocking lug 35-i engages in the drawer 4-i when it is switched on, so that it can not be actuated by a user.
  • Fig. 12 shows a sectional view along the section line HH in the off state of the multi-pole switching device 1, in which the front cover 3 has been moved laterally to the right or down, so that the blocking lug 35-i no longer blocks the receiving unit 4-i or drawer 4-i ,
  • the multi-pole switching device 1 can not be turned on.
  • the receiving unit or drawer locks the front cover 3.
  • the receiving unit or the drawer 4-i is unlocked and can via a guide groove 36-i, as shown in Fig. 11 can be seen, are pulled out of the housing of the multi-pole switching device 1 to insert a component in the withdrawn recording unit or drawer 4-i.
  • Fig. 11 the guide groove 36-i on two opposite guide webs, which serve to extend and insert the drawer.
  • Fig. 11 is the receiving unit or drawer 4-i shown without inserted component and you can see in the background, the ventilation slots 29-i of the housing. If a component, for example a fuse, is inserted in the drawer 4-i, this connects an in Fig. 11 illustrated outgoing contact 37-i with a foot contact.
  • the foot contact is opposite to one of the switching contacts of an associated switching bridge 12-i. Below the briefly be a compression spring to ensure good contact.
  • drawer 4-i connects attached to the shift linkage 9 Switching contact or the switching bridge 12-i the foot contact of the receiving unit 4-i with the busbar contact 13-i.
  • the circuit is closed, provided that the component used is after pivoting the drawer 4-i between the outgoing contact 37-i and the foot contact of the drawer.
  • the outgoing contact 37-i is routed via an internal cable to a connection contact to connect an electrical device.
  • this connection contact may have a spring-loaded terminal 42-i.
  • Fig. 13A shows a sectional view taken along the section line EE of Fig. 13B from the front shown drive the spring clamp.
  • the respective spring clamp 42-i open.
  • the front cover 3 is an opening 5-i, which is in the off state of the multi-pole switching device 1 directly above an access opening within the housing of the multi-pole switching device, as in Fig. 13B shown.
  • these access openings are hidden and can not be operated.
  • the access openings are not covered and accessible as in the FIGS. 13B and 14B shown.
  • the spring-type terminals 42-i are rotatable in the switched-off state of the multi-pole switching device 1 with a tool.
  • the design of the drives 39-i for the spring terminals 42-i allows in one possible embodiment, a rotation of about 95 °. With additional nubs can be ensured that the opened spring clamp 42 -i remains in a stable position. Unintentional opening is then excluded.
  • the incorporation of the drive element 39-i into a press fit may prevent vibration and rattling during operation.
  • Fig. 13A shows the drive of the tension spring clamp in the reverse direction.
  • the front cover 3 can not retract into the recess of the drive 39-i of the spring-loaded terminal 42-i, so that switching on the multi-pole switching device 1 is not possible.
  • Fig. 13C shows a sectional view taken along the section line FF of Fig. 13A with the drive of spring clip 38-i open.
  • Figs. 14A, 14B, 14C show a state in which the spring clip 42-i is closed.
  • the multi-pole switching device 1 is in the off state, as he, for example, in Fig. 2 is shown, so that the openings 5-i within the front cover 3 are congruent with access openings within the housing of the multi-pole switching device 1.
  • the spring-type terminal 42-i for the respective outgoing contact 37-i has a mechanical drive 39-i, which has, for example, a slot 40-i for attaching a screwdriver, as in FIG Fig. 13A shown. Inserted in the mechanical drive element 39-i is a metal knife 41-i, which is rotated when the screwdriver is rotated.
  • FIG. 14A shows the tension spring clamp in the closed state.
  • a pin 43-i of the front cover 3 in the mechanical drive for switching on the multi-pole switching device 1 in the mechanical drive 39-i retract the spring terminal 42-i.
  • the pin of the movable front cover 3 moves into a corresponding recess of the mechanical drive 39-i of the spring-loaded terminal 42-i when the operating unit 2 is switched on so that the multipolar switching device 1 assumes the switched-on state can.
  • the pin 43-i of the movable front cover 3 when operating the control unit 2 to turn on the multi-pole switching device 1 not in the corresponding recess of the mechanical drive 39-i retract the spring terminal 42-i retract so that switching on the multi-pole switching device 1 blocks and the switching device 1 remains in its off state. If a fitter accidentally forgets to close a spring-loaded terminal 42-i of a connected device, turning on the multi-pole switching device 1 is blocked. Only when the fitter has closed the corresponding spring-loaded terminal 42-i and thus the assembly of the device is properly completed, the multi-pole switching device 1 can be turned on.
  • Fig. 15 shows a sectional view through a multi-pole switching device 1 for a more detailed illustration of an embodiment of a usable in the multi-pole switching device 1 for each receiving unit outgoing contact 37-i.
  • the outgoing contact 37-i is at the in Fig. 15 illustrated implementation example via two current bar 44-i, 45-i connected to the tension spring clamp 42-i, in which an outgoing line or contact line can be plugged into an electrical device.
  • Fig. 15 shows similar to Fig. 14A a closed spring clamp 42-i.
  • the lower resilient part of the outgoing contact 37-i, ie the lower web 45-i ensures that the power supply is not interrupted when the receiving unit or drawer 4-i is pressed in the switched-on state of the multi-pole switching device 1.
  • Fig. 16 shows a view of an embodiment of the multi-pole switching device 1 without housing upper part and without locking element, the rocker arm 2 is moved in the on state to the off state and due to the special shape of the leaf spring 26 has just overcome a maximum force.
  • the leaf spring 26 has a hump-shaped bulge or cam 22a of the wheel 22. How to get in Fig. 16 can recognize, is the toggle lever 10 and the shift linkage 9 at this time still in the "ON" position and the wire hanger 11 runs freely in the recess of the wheel 22 of the rocker arm second
  • Fig. 17 shows a view of an embodiment of the multi-pole switching device 1 without upper housing part and without Locking element, when the shift lever 2 moves further down in the clockwise direction.
  • the toggle lever 2 is already in the off position, the shift linkage 9 moves due to the force of the return springs 15-1, 15-2 to the left or above, the wire clip 11 is pushed up and the freewheel and the slot 25th within the wheel 22 of the rocker arm 2 for movement.
  • two return springs 15-1, 15-2 are provided. In an alternative embodiment, only one return spring 15 may be provided.
  • the return springs 15-i ensure that the switching slide or the switching linkage 9 when switching off the multi-pole switching device 1 is moved in opposite directions to the front cover 3 upwards to interrupt the over the switching bridges 12-i extending current path.
  • the shape of the two toggle lever halves of the toggle lever 10 together with the return springs 15-i ensures that the mechanical system in the switched-on state of the multi-pole switching device 1 self-energizing remains in this position.
  • the bearing of the toggle lever halves and their outer diameter ensures optimized power transmission.
  • the specially shaped leaf spring 26 with the bulge 26a leads to a defined force curve when switching on and off. For each shift, a low shift force is first necessary, which increases until a maximum shift force is reached, the shift force then decreases again after exceeding the maximum shift force.
  • the leaf spring 26 holds the rocker arm 2 in the end positions, ie in the on and off state of the multi-pole switching device 1, in a stable position.
  • a freewheel in the form of an elongated hole 25 ensures that when turning off the switching device 1, the bridge contacts are not opened until the rocker arm 2 has overcome the predetermined by the leaf spring 26 point of the largest switching force. After overcoming the dead center of the toggle joints can no longer be stopped by the operator due to the slot 25 of the switch-off.
  • the return springs 15-i on the shift linkage. 9 ensure that the shift linkage 9 automatically reaches the switching position "OFF" (operator-independent switching off).
  • a flag indicator 17 formed on and integrated with the shift linkage 9 provides the operator with an independent shift position indication.
  • the multi-pole switching device 1 according to the invention is suitable for inserting components, in particular electrical fuses. Alternatively, other electrical components in the various receiving units 4-i of the multi-pole switching device 1 can be used to be connected to the respective electrical circuit. Examples of such components are coils or capacitors.
  • the multi-pole switching device 1 according to the invention offers a high degree of security for the user or the installer during assembly and when inserting components in the multi-pole switching device 1. In the switched-on state of the multi-pole switching device 1, the receiving units 4-i due to in the front cover 3 integrated locking lugs locked, so that the user has no way ever to get to the live parts.
  • the pins provided in the movable front cover 3 ensure that the multi-pole switching device 1 can only assume the switched-on state when the spring-type terminals 42-i are properly closed. Only when all receiving units 4-i of the multi-pole switching device 1 have been pivoted to their respective outgoing contact and also all spring terminals 42-i are closed to connect a conductor to the respective outgoing contact, the multi-pole switching device 1 from its off state by pressing the operating lever. 2 can be converted into the switched-on state. Therefore, the installer sets a Needles iststechnisch in a spring-type terminal 42-i of the multi-pole switching device 1, forgets However, to close the spring clamp 42-i by operating the mechanical drive 39-i, the multi-pole switching device 1 can not be brought into the on state.
  • the multi-pole switching device 1 therefore also prevents inadequate or faulty contacting of devices to the multi-pole switching device 1. If at least one contacting conductor is mounted incorrectly, switching on the entire multi-pole switching device 1 is no longer possible. Therefore, the multi-pole switching device 1 can be brought into the switched-on state only when all spring-cage terminals 42-i are properly closed.
  • the multi-pole switching device 1 as a control unit 2 via a rocker arm.
  • it can be provided as a control unit 2, a rotary drive.
  • a required pressing force can be generated by means of a pressure spring mounted under the foot contact of the receiving unit 4-i. Only with properly limited fuse holders or drawer 4-i, the switching mechanism can be moved by means of the rocker arm 2 in the on position.
  • the front cover 3 is made of a plastic. In a possible embodiment, the front cover 3 is made of a transparent plastic.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (22)

  1. Appareil de commutation multipolaire (1) destiné à un système de barre omnibus, comportant un panneau avant (3) mobile monté sur le boîtier de l'appareil de commutation et pouvant être actionné par une unité de commande (2), ledit panneau avant verrouillant, dans un état en circuit de l'appareil de commutation multipolaire (1), au moins une unité de réception (4) destinée à recevoir un composant, caractérisé en ce que, lors de l'actionnement de l'unité de commande (2) pour mettre en circuit l'appareil de commutation multipolaire (1), un tenon du panneau avant (3) mobile s'introduit dans un logement correspondant d'un entraînement mécanique (39) d'une borne à ressort (42).
  2. Appareil de commutation multipolaire selon la revendication 1,
    dans lequel le panneau avant (3) mobile de l'appareil de commutation multipolaire (1) peut être actionné par une unité de commande (2), qui déplace des tringles de manoeuvre (9) se trouvant à l'intérieur du boîtier de l'appareil de commutation multipolaire (1) dans le sens opposé ou dans le même sens par rapport au panneau avant (3) de telle manière que des contacts de commutation (12) de l'appareil de commutation multipolaire (1) sont fermés dans l'état en circuit de l'appareil de commutation multipolaire (1).
  3. Appareil de commutation multipolaire selon la revendication 1 ou 2,
    dans lequel, dans l'état en circuit de l'appareil de commutation multipolaire (1), le panneau avant (3) mobile de l'appareil de commutation multipolaire (1) cache des ouvertures d'accès, qui sont prévues pour des entraînements mécaniques (39) de bornes à ressort (42) destinés à serrer des câbles de raccordement et/ou pour des vis de raccordement destinées à visser des câbles de raccordement.
  4. Appareil de commutation multipolaire selon la revendication 3,
    dans lequel, lorsque la borne à ressort (42) est fermée, lors de l'actionnement de l'unité de commande (2) pour mettre en circuit l'appareil de commutation multipolaire (1), le tenon du panneau avant (3) mobile s'introduit dans un logement correspondant de l'entraînement mécanique (39) de la borne à ressort (42), de telle sorte que l'appareil de commutation multipolaire (1) adopte l'état en circuit.
  5. Appareil de commutation multipolaire selon la revendication 4,
    dans lequel, lorsque la borne à ressort (42) est ouverte, le tenon (43) du panneau avant (3) mobile ne s'introduit pas dans le logement correspondant de l'entraînement mécanique (39) de la borne à ressort (42) lors de l'actionnement de l'unité de commande (2) pour mettre en circuit l'appareil de commutation multipolaire (1), de telle sorte qu'une mise en circuit de l'appareil de commutation multipolaire (1) est bloquée et l'appareil de commutation (1) reste dans l'état hors circuit.
  6. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 5,
    dans lequel le panneau avant (3) mobile comporte des ergots de blocage (35) qui, dans l'état en circuit de l'appareil de commutation multipolaire (1), bloquent un actionnement des unités de réception (4) de l'appareil de commutation multipolaire (1).
  7. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 6,
    dans lequel, dans l'état hors circuit de l'appareil de commutation multipolaire (1), les unités de réception (4) de l'appareil de commutation multipolaire (1) peuvent être de déplacées respectivement contre un contact de dérivation (37) associé, afin de fermer un circuit électrique associé, après qu'un contact de commutation (12) associé a été fermé par les tringles de manoeuvre (9) mobiles dans le sens opposé ou dans le même sens par rapport au panneau avant (3).
  8. Appareil de commutation multipolaire selon la revendication 7,
    dans lequel le panneau avant (3) mobile de l'appareil de commutation multipolaire (1) comporte des trous d'inspection (6) qui, dans l'état en circuit de l'appareil de commutation multipolaire (1), permettent respectivement une connexion du contact de dérivation (37) avec une broche de test afin de vérifier la tension électrique appliquée.
  9. Appareil de commutation multipolaire selon l'une des revendications précédentes 2 à 8,
    dans lequel les contacts de commutation (12) de l'appareil de commutation multipolaire (1) sont formés respectivement par un pont de commutation relié aux tringles de manoeuvre (9), qui, dans l'état en circuit de l'appareil de commutation multipolaire (1), relie un contact de socle de l'unité de réception (4) pivotante respective à un contact de barre omnibus (13) de l'appareil de commutation multipolaire (1).
  10. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 9,
    dans lequel un composant, en particulier un fusible électrique, peut être respectivement placé dans l'unité de réception (4) de l'appareil de commutation multipolaire (1), dans l'état hors circuit de celui-ci,.
  11. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 10,
    dans lequel une surface indicatrice (17) est fixée sur les tringles de manoeuvre (9), ladite surface indicatrice indiquant à un utilisateur l'état de commutation réel de l'appareil de commutation multipolaire (1) de manière optique à travers un regard (7) disponible dans le panneau avant (3), indépendamment de la position de l'unité de commande (2) et du panneau avant (3).
  12. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 11,
    dans lequel une ouverture (30) est prévue dans le boîtier de l'appareil de commutation multipolaire (1) pour fermer l'appareil de commutation multipolaire (1).
  13. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 12,
    dans lequel, dans l'état hors circuit de l'appareil de commutation multipolaire (1), l'unité de réception (4) de l'appareil de commutation multipolaire (1) est déverrouillée et peut être tirée du boîtier de l'appareil de commutation multipolaire (1) de manière imperdable par le biais d'une rainure de guidage (36), afin de placer un composant dans l'unité de réception (4) tirée.
  14. Appareil de commutation multipolaire selon l'une des revendications précédentes 9 à 13,
    dans lequel un ressort de compression est prévu sur le contact de socle de l'unité de réception (4), ledit ressort de compression fournissant une force de pression prédéfinie entre un composant placé dans l'unité de réception (4) et le contact de socle de l'unité de réception (4) ainsi que le composant placé et le contact de dérivation (37) de l'unité de réception (4).
  15. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 14,
    dans lequel l'appareil de commutation multipolaire (1) ne peut être transféré d'un état hors circuit à l'état en circuit par l'actionnement de l'unité de commande (2) que quand toutes les unités de réception (4) de l'appareil de commutation multipolaire (1) sont déplacées jusqu'à leur contact de dérivation (37) respectif et qu'en plus toutes les bornes à ressort (42) pour le raccordement d'un conducteur au contact de dérivation sont fermées.
  16. Appareil de commutation multipolaire (1) selon l'une des revendications précédentes 1 à 15,
    dans lequel l'unité de réception (4) destinée à la réception d'un composant est formée par un tiroir, dans lequel un composant peut être placé dans l'état hors circuit de l'appareil de commutation multipolaire (1).
  17. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 16,
    dans lequel l'unité de réception (4), en particulier le tiroir, est pivotante sur un axe et peut être tirée hors du boîtier de l'appareil de commutation multipolaire (1) dans l'état hors circuit de celui-ci pour placer le composant.
  18. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 17,
    dans lequel l'unité de commande (2) est un levier à bascule ou un actionneur rotatif.
  19. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 18,
    dans lequel l'appareil de commutation (1) comporte pour chaque barre un contact de barre (13) pour la connexion électrique de la barre respective.
  20. Appareil de commutation multipolaire selon la revendication 19,
    dans lequel, sur chaque contact de barre (13) de l'appareil de commutation (1) se trouve un contour de boîtier (19) formé sur le boîtier de l'appareil de commutation et opposé au contact de barre (13) respectif, ledit contour de boîtier pouvant être retiré mécaniquement pour le placement de l'appareil de commutation (1) sur une barre épaisse.
  21. Appareil de commutation multipolaire selon l'une des revendications précédentes 1 à 20,
    dans lequel le levier à bascule (2) est fixé sur une roue (22), qui comporte une came (22a), qui, lors d'un actionnement manuel du levier à bascule (2), est déplacée sur un bombement (26a) d'un ressort plat (26) adjacent pour surmonter un maximum de force.
  22. Appareil de commutation multipolaire selon la revendication 21,
    dans lequel un trou oblong (25), dans lequel une première extrémité d'un étrier (11) est guidée, est prévu dans la roue (22), l'étrier (11) étant relié par sa deuxième extrémité à un levier à genouillère (10), qui actionne les tringles de manoeuvre (9) au moyen de ressorts de rappel (15).
EP13164572.3A 2012-12-18 2013-04-19 Appareil de commutation multipolaire Active EP2747104B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012223656.2A DE102012223656B3 (de) 2012-12-18 2012-12-18 Mehrpoliges Schaltgerät

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EP2747104A1 EP2747104A1 (fr) 2014-06-25
EP2747104B1 true EP2747104B1 (fr) 2017-08-23

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US (1) US9536681B2 (fr)
EP (1) EP2747104B1 (fr)
CN (1) CN103366984B (fr)
DE (1) DE102012223656B3 (fr)

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EP4068324A1 (fr) 2021-03-31 2022-10-05 Jean Müller GmbH Elektrotechnische Fabrik Appareil de commutation pourvu de recouvrement avant pouvant être verrouillé
EP4068322A1 (fr) 2021-03-31 2022-10-05 Jean Müller GmbH Elektrotechnische Fabrik Appareil de commutation pourvu de dispositif interrupteur à rupture brusque

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EP4068322A1 (fr) 2021-03-31 2022-10-05 Jean Müller GmbH Elektrotechnische Fabrik Appareil de commutation pourvu de dispositif interrupteur à rupture brusque

Also Published As

Publication number Publication date
DE102012223656B3 (de) 2014-04-03
US20140166450A1 (en) 2014-06-19
EP2747104A1 (fr) 2014-06-25
US9536681B2 (en) 2017-01-03
CN103366984A (zh) 2013-10-23
CN103366984B (zh) 2016-12-28

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