Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
  • H01H33/02—Details
  • H01H33/022—Details particular to three-phase circuit breakers
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
  • H01H33/02—Details
  • H01H33/42—Driving mechanisms
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
  • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
  • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle

Definitions

• the invention relates to a high voltage arrangement with a switching device.
• a high-voltage arrangement is known, for example, from German Offenlegungsschrift DE 102 19 055.
• the invention has for its object to provide a high-voltage device with a switching device, in which a switching of the switching states with the lowest possible switching energy is possible.
• the switching device comprises a transmission with two coupling rods, which are pivotable in a predetermined pivoting plane and each move an associated electrical contact element during pivoting, whereby the switching position of the switching device can be changed, wherein the switching device in a first switching position a first Connection with a second terminal and in a second switching position connects the first terminal to a third terminal and in a third switching position, the three connections unconnected, that a drive axis of a drive of the high voltage assembly is arranged perpendicular to the pivot plane of the coupling rods and that the two coupling rods such are stored, that at least one of them when adjusting the switching position of the switching device by the Drive axle, in which the drive axle of the drive passes through the pivot plane of the two coupling rods and the drive axle crosses the pivot plane of the two coupling rods, can swing through.
• a significant advantage of the high voltage arrangement according to the invention is the fact that the internal structure of the transmission enables energy-saving switching of the switching device.
• the inventive kinematics of the coupling rods namely the movement of the contact elements is positively influenced. Due to the fact that the coupling rods can pass through the drive axle region of the drive, it can be achieved, for example, that when the switching position of the switching device changes, the disengaging contact element is moved less than the switching contact element.
• Another significant advantage of the high-voltage arrangement according to the invention is that due to the fürschwauchiana or the possibility of divergence of the coupling rods through the drive axle area both the displacement of one of the electrical contact elements and the drive of the switching device can be arranged centrally in the housing of the high voltage arrangement.
• Such a central arrangement makes it possible to mount the transmission and the switching device optionally in different orientations within the housing, in that the transmission is rotated for example by 180 °, without any structural changes to the transmission or to the switching device would have to be made.
• the transmission has a first and a second gear plate, which are held by a first connecting rod and a second connecting rod parallel and spaced from each other, wherein the two connecting rods respectively are arranged perpendicular to the transmission plates and parallel to the drive axis and wherein the first connecting rod forms a first pivot bearing for the first coupling rod and the second connecting rod, a second pivot bearing for the second coupling rod. Dipping the coupling rods can be achieved particularly easily if the drive is indirectly or directly in communication with the first transmission plate and the space between the two transmission plates in the drive axle area remains free for swinging through the coupling rods.
• the first and the second connecting rods preferably have the same distance from the drive axle in order to ensure that the movement characteristic of the contact elements from the third shift position to the second shift position is identical to the movement characteristic of the contact elements from the third shift position to the first shift position.
• the drive communicates with the first gear plate to allow it to rotate about the drive axis; the second gear plate is rotated in this case by the two connecting rods with the first gear plate.
• the second gear plate is preferably connected to a coaxially to the drive axle arranged drive coupling element in connection, so that this is rotated on rotation of the first gear plate and the second gear plate.
• the drive coupling element is connected at one end to the second transmission plate and at its other end to a first transmission plate of another or second switching device of the high-voltage arrangement.
• the second switching device may for example be associated with another electrical pole of the high-voltage arrangement. In such an arrangement, a single drive with central drive axis to switch several poles of the high voltage arrangement simultaneously.
• the high voltage arrangement is two or more poles and has a switching device for each electrical pole, wherein one of the switching devices are connected to the drive and the other switching devices indirectly via upstream switching devices and upstream drive coupling elements indirectly to the drive.
• the high-voltage arrangement comprises a housing, the drive is arranged in the housing on a central axis extending through the housing center of the housing and the drive axis is perpendicular to the central axis and the displacement of one of the electrical contact elements on the central axis and parallel to this lies.
• the housing is axisymmetric, and the center axis preferably forms an axis of symmetry of the housing.
• the displacement axis or the displacement of the two electrical contact elements is preferably perpendicular to the drive axle of the drive.
• the high-voltage arrangement has a housing with a first housing opening and a second housing opening, wherein both the first and the second housing opening are adapted to selectively attach a viewing window or a ground contact terminal to them. In this embodiment, therefore, the viewing window and the ground contact terminal can be interchanged, so that the high-voltage arrangement can be easily reconfigured.
• the first housing opening and the second housing opening are opposite each other with respect to the axis of symmetry.
• the first housing opening and the second housing opening are preferably identical to allow easy replacement of the viewing window and ground contact terminal when the gear is to be mounted rotated 180 ° within the housing.
• the earthing contact terminal forms, for example, the third terminal of the high-voltage arrangement, which can be connected to the first contact by the switching device.
• the two housing openings and a viewing window inserted into one of the two housing openings are dimensioned and aligned such that through the viewing window both the position of a first electrical contact element connecting the first terminal and the second terminal can, as well as the position of a second electrical contact element, which can connect the first terminal and the third terminal to each other, is visible from the outside.
• One of the two contact elements forms, for example, a ground contact element and the other of the two contact elements, for example, a separating contact element of the switching device.
• FIG. 1 shows a first exemplary embodiment of a high-voltage arrangement according to the invention in cross section, the high-voltage arrangement having two housing openings for mounting a grounding contact terminal and a viewing window, FIG.
• FIG. 2 shows the high-voltage arrangement according to FIG. 1, wherein the mounting location of the viewing window and of the grounding contact connection in the two housing openings of the housing are interchanged,
• FIG. 3 is a simplified representation of the construction of the transmission of the high-voltage arrangement according to FIG. 1, FIG. 3 showing a view from the side,
• FIG. 4 shows another view of the transmission of the high-voltage arrangement according to FIG. 3, likewise in a simplified schematic representation
• FIG. 5 shows a second exemplary embodiment of a high-voltage arrangement according to the invention, wherein the arrangement of the viewing window is explained in more detail relative to the transmission, and wherein the first switching position of the switching device is shown,
• FIG. FIG. 6 shows the high-voltage arrangement according to FIG. 5 in the second switching position of the switching device,
• FIG. 7 shows the third switching position of the switching device of the high-voltage arrangement according to FIG. 5,
• Figure 8 is a simplified representation of the structure of the transmission of the high-voltage device according to Figure 5, wherein the third switching position of the switching device is shown, and
• Figure 9 shows a cascaded arrangement of switching devices in which one of the switching devices are directly connected to a drive and the other switching devices indirectly via drive coupling elements with the drive.
• FIG. 1 shows a high-voltage arrangement 10 in which a switching device 20 cooperates with a first terminal 30, a second terminal 40 and a third terminal 50.
• the switching device 20 has a gear 60, which is equipped with a first connecting rod 70 and a second connecting rod 80.
• the first connecting rod 70 forms a first pivot bearing for a first coupling rod 90 of the transmission 60.
• the second connecting rod 80 forms a second pivot bearing for a second coupling rod 100. Due to the pivotable mounting of the two coupling rods 90 and 100, these can be pivoted in a predetermined pivoting plane corresponding to the plane of the sheet in FIG.
• the two coupling rods 90 and 100 are each assigned a contact element, namely the first coupling rod 90, the first contact element 110 and the second coupling rod 100 the second contact element 120.
• the two contact elements 110 and 120 are displaceably mounted and can pivot when the associated coupling rod be moved along its longitudinal direction. For example, by pivoting the first coupling rod 90, the first contact element 110 can be displaced in the direction of the second connection 40, so that the first connection 30 is connected to the second connection 40.
• the second coupling rod 100 is pivoted so that the second contact element 120 is pulled away from the third terminal 50 and drawn into the housing of the transmission 60.
• the second contact element 120 can be connected to the third connection 50 by being displaced by means of the second coupling rod 100 in the direction of the third connection 50.
• the first coupling rod 90 will pull the first coupling element 110 away from the second connection 40 and pull it into the housing of the transmission 60.
• the movement of the two contact elements 110 and 120 or the pivoting movement of the two coupling rods 90 and 100 is caused by two gear plates 160 and 150, of which in Figure 1, only the upper gear plate 150 is shown.
• the lower gear plate 160 is covered in the illustration of Figure 1 by the upper gear plate 150.
• the arrangement of the two gear plates 150 and 160 relative to each other is shown in detail in Figures 3 and 4.
• the two gear plates 150 and 160 are arranged parallel to each other and have a distance from each other. They are connected by the two connecting rods 70 and 80 with each other and held by these spaced.
• the lower gear plate 160 is indirectly or directly connected to a drive 200 whose drive axis 210 is arranged perpendicular to the image plane in FIG. If the drive 200 is turned on, the lower gear plate 160 is rotated about the drive axis 210, whereby the upper transmission plate 150 shown in Figure 1 is rotated, since the two transmission plates 150 and 160 via the two connecting rods 70 and 80 and the thereby formed pivot bearings are interconnected.
• the pivotally mounted coupling rods 90 and 100 can be pivoted, whereby the contact elements 110 and 120 - as already explained - be moved.
• FIG. 3 shows schematic representations of a lateral view of the transmission 60.
• Figure 3 shows the upper gear plate 150, which is also shown in the figure 1, and in addition the lower gear plate 160.
• the connecting rod 70th that connects the transmission plate 150 with the transmission plate 160.
• the connecting rod 70 forms the pivot bearing for the first coupling rod 90, which can be pivoted in the space between the two gear plates 150 and 160.
• the drive 200 is arranged so that it exclusively engages the lower transmission plate 160 in FIG. 3 is indirectly or directly in communication. In other words, the drive 200 does not extend into the drive axle region 220 or into the spatial region between the two transmission plates 150 and 160. The space between the two transmission plates 150 and 160 is thus drive-free.
• the mechanical coupling between the two gear plates 150 and 160 is provided by the two connecting rods 70 and 80, so that upon rotation of the lower gear plate 160 about the drive axis 210 and the upper gear plate 150 is rotated accordingly. As a result of such rotation, the two connecting rods 70 and 80 are pivoted about the drive axis 210 so that the associated coupling rods 90 and 100 also pivot.
• FIG. 4 shows a different view of the transmission 60.
• both the first connecting rod 70 and the second connecting rod 80 and the associated coupling rods 90 and 100 are shown.
• the first coupling rod 90 is pivoted into the drive axle region 220 and thus crosses the drive axle 210.
• the second coupling rod 100 is pivoted out of the drive axle region 220.
• the distance between the two gear plates 150 and 160, which are arranged in parallel, at least approximately parallel, is identified in FIG. 3 by the reference symbol A.
• the high-voltage arrangement 100 has a housing 300 with a central axis 310.
• the central axis 310 extends through the center of the housing and preferably forms an axis of symmetry of the housing 300.
• the housing 300 is therefore preferably axisymmetric about the axis of symmetry 310.
• the housing 300 is equipped with two housing openings 320 and 330, which are preferably configured identically.
• the third connection 50 of the high-voltage arrangement 10 is mounted by means of a fastening element 340.
• a viewing window 350 is mounted, through which one can look into the housing 300 to check the switching state of the switching device 20.
• the two housing openings 320 and 330 are configured identically, it is possible to interchange the assembly of the third connection 50 and the installation of the viewing window 350.
• the assembly of the third connection 50 is also mounted on the housing opening 330 and the viewing window 350 on the housing opening 320.
• FIG. 2 Such mounting of the fastener 340 and the viewing window 350 is shown in FIG. It can be seen in FIG. 2 that now the third connection 50 is mounted on the housing opening 330 by means of the fastening element 340.
• the viewing window 350 is located in the housing opening 320.
• this is pivoted by 180 ° mounted by the housing 60 has been swiveled 180 ° to the drive 200 has been placed.
• Such a pivoting of the gear 60 and the switching device 20 by 180 ° is possible because namely the drive 200 and the drive shaft 210 in the middle of the housing, ie on the central axis 310, are arranged. If the drive axle 210 were arranged off-center, it would not be possible to pivot the transmission 60 in the manner described.
• the arrangement of the contact element 110 in the gear 60 is selected such that the displacement of the first contact element 110 along the
• Center axis 310 takes place.
• the displacement path .DELTA.x lies on the center axis 310.
• the corresponding arrangement of the displacement path .DELTA.x or the corresponding arrangement of the first contact element 110 likewise results in the previously described pivotability of the transmission 60 or the pivotability of the switching device 20 overall about the central axis 310 guaranteed.
• the size of the two housing openings 320 and 330 is preferably selected such that both the position of the first contact element 110 and the position of the second contact element 120 can be seen through the viewing window 350 in order to optically switch the switching position from the outside to be able to check the switching device 20.
• a preferred embodiment and arrangement of the two housing openings 320 and 330 will be explained in more detail below in connection with FIGS. 5 to 7.
• FIG. 5 shows a second exemplary embodiment of a high-voltage arrangement.
• the housing 300 has a central axis and is preferably axially symmetrical, at least substantially axisymmetric, designed so that an assembly of the viewing window 350 both the housing opening 330 and the housing opening 320 is possible.
• the viewing window 350 is mounted on the housing opening 330 and the third connection 50 is mounted on the housing opening 320.
• FIG. 5 shows a first switching position of the switching device 20 of the high-voltage arrangement 10.
• the switching device 20 connects the first connection 30 to the second connection 40, in that the switching device 20 shifts the contact element 110 in the direction of the second connection 40.
• the corresponding displacement is caused by the first coupling rod 90, which is pushed by the connecting rod 70 in the direction of the second terminal 40.
• the second contact element 120 is pulled away from the third connection 50 and drawn into the housing of the transmission 60.
• the second contact element 120 thus has no electrical contact with the third terminal 50.
• the shortened displacement of the second contact element 120 reduces the force required and thus the adjustment energy, which is required for a changeover of the switching device 20.
• the kinematics of the transmission 60 ensures that - starting from the third switching position - the wegzube Anlagende or to be separated contact element only has to be moved as far as required for a separation of the electrical connection.
• the contact element that is to produce an electrical connection is fully deflected or moved more.
• FIG. 6 shows the second switching position of the switching device 20 according to FIG. 5. It can be seen that in this second Switching the first terminal 30 is connected to the third terminal 50. Due to the electrical connection of the third terminal 50 to the housing 300 of the high-voltage arrangement 10, the third terminal 50 forms a ground terminal, whereby the first terminal 30 is earthed in the second switching position according to FIG. The second terminal 40 remains unconnected in the second switching position and, for example, potential-free.
• the kinematics provided by the gear 60 also ensures that the adjustment path of the contact element to be turned on, in this case the second contact element 120, is greater than the adjustment path of the contact element to be separated, in this case the first contact element 110 the displacement of the contact to be separated reduces as soon as it dips into the region of the housing of the transmission 60.
• FIG. 7 shows the third switching position of the switching device 20 of the high-voltage arrangement 10 according to FIG. posed.
• this third switching position the three terminals 30, 40 and 50 are unconnected.
• the resulting in such a switching position position or deflection of the two coupling rods 90 and 100 is shown in a side view again schematically in Figure 8.
• the housing of the transmission 60 has openings through which one can look into the transmission to the position of the switching device 20
• FIG. 9 shows an exemplary embodiment of a high-voltage arrangement in which three switching devices 20, 20 'and 20 "are provided for the three poles of a three-pole energy transmission device.
• Each of the switching devices 20, 20 'and 20'' has in each case a gearbox 60, 60' and 60 '', each gearbox each having two gear plates 150, 160, 150 ', 160', 150 '' and 160 '. ' Is provided.
• only the lower switching device 20 in FIG. 9 is connected directly to the drive 200 of the high-voltage arrangement 10.
• the remaining switching devices 20 'and 20 “are only indirectly connected to the drive 200, namely via drive coupling elements 400 and 400', which connect the transmissions 60, 60 'and 60" to one another.
• the mode of operation of the high-voltage arrangement according to FIG. 9 can look, for example, as follows: If the drive 200 is put into operation, the gear plate 160 of the lower gear 60 is thereby rotated, which also necessarily results in a rotation of the upper gear plate 150 of the gear 60. Since the upper gear plate 150 of the gearbox 60 is connected to the lower gear plate 160 'of the gearbox 60', this lower gear plate 160 'will also rotate as soon as the drive 200 is active. This in turn leads to a pivoting of the upper gear plate 150 'of the transmission 60' and via the second drive coupling element 400 'also to a pivoting of the two gear plates 150''and160''of the second gear 60''.
• the cascaded arrangement of the switching devices 20, 20 'and 20 "makes it possible to provide a three-pole high-voltage arrangement in which the drive 200 and the drive axis 210 are arranged in the region of the central axis 310 or the axis of symmetry of the housing 300 can.
• the drive axle 210 By arranging the drive axle 210 in the region of the center axis 310, it is possible to achieve that-assuming a corresponding configuration of the transmission 60-the transmission 60 can be mounted in different orientations within the housing 300 of the high-voltage arrangement.

Landscapes

• Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
• Transmission Devices (AREA)
• Mechanisms For Operating Contacts (AREA)
• Gas-Insulated Switchgears (AREA)
• Dc-Dc Converters (AREA)
• Electrophotography Configuration And Component (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=42732243

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Family Cites Families (16)

• 2009
  • 2009-06-23 DE DE102009030609A patent/DE102009030609A1/de not_active Withdrawn
• 2010
  • 2010-06-07 EP EP10730736A patent/EP2446455A2/de not_active Withdrawn
  • 2010-06-07 CN CN201080028054.9A patent/CN102804312B/zh not_active Expired - Fee Related
  • 2010-06-07 RU RU2012102006/07A patent/RU2540266C2/ru not_active IP Right Cessation
  • 2010-06-07 BR BRPI1012253A patent/BRPI1012253A2/pt not_active IP Right Cessation
  • 2010-06-07 US US13/380,588 patent/US8803012B2/en not_active Expired - Fee Related
  • 2010-06-07 CA CA2766330A patent/CA2766330A1/en not_active Abandoned
  • 2010-06-07 WO PCT/EP2010/057923 patent/WO2010149482A2/de active Application Filing

Non-Patent Citations (1)

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