Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
  • H01H31/02—Details
  • H01H31/12—Adaptation for built-in fuse
  • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
  • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
  • H01H85/545—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with pivoting fuse carrier

Definitions

• the invention is in the field of electrical switches and relates to a fuse switch disconnector with a housing, a pivotally mounted about a pivot bearing on the housing cover and at least one fuse link in which contacts of the fuse insert and their associated mating contacts are closed with the lid closed, and in which the contacts are open when the lid is open.
• Such a generic fuse switch disconnector is known for example from the document DE 196 15 859 Al.
• the fuse links are held in the lid.
• the fuses When opening (swiveling) the lid, the fuses are swiveled with the lid.
• the trained as a contact blade contacts the fuse links get out of engagement with the formed as a contact springs mating contacts.
• the quality of the shutdown behavior i. the opening process of the contacts and thus the erase behavior - depends on the speed with which the lid is opened. The separation of the contacts is thus operator-dependent.
• This has a disadvantage, for example, if such devices, which originate, for example, from different manufacturers, should be tested for their functionality or compared. In tests carried out in practice, "swift" opening procedures are first carried out by several subjects
• Averaging is used to determine a "typical” opening speed, and then the tests or comparisons are carried out with this "typical” opening speed. If, however, the fuse switch disconnector is opened too slowly, for example by the user deviating from this "typical" opening speed, during operation, then the extinguishing behavior worsens in extreme cases. like, stand the arc and / or come to rollovers, for example, from pole to pole.
• the invention is therefore based on the task of making the fuse switch disconnectors safer with regard to personal and system protection.
• the at least one fuse link is held on a movable carrier, wherein in an ON position of the carrier, the contacts are closed and in an OFF position of the carrier, the contacts are open and wherein the carrier by means of a Verklinkungs worn opposite the force of a spring in the on-position latched and at a predetermined opening angle of the lid for transferring into its OFF position is releasable.
• the separation process of the contacts is thus operator independently feasible.
• the operation of the fuse switch disconnector thus corresponds to a quasi-independent manual operation.
• the carrier may be pivotally supported on the housing, wherein the pivot bearing of the lid can also form the pivot bearing of the carrier.
• Figure 1 shows the new fuse switch disconnector with the lid closed with a schematically illustrated Verklinkungs
• the fuse switch disconnector 1 has a housing 2 and a cover 3.
• the lid 3 is a Swivel bearing 4, which is arranged stationary to the housing, pivotally.
• the housing and the cover have, in a known manner, not shown in the figures intermediate walls to form Polhuntn.
• a carrier 5 is pivotally held, which carries a fuse 6.
• the pivot bearing 4 of the lid 3 at the same time forms the pivot bearing of the carrier 5.
• the carrier 5 is in an ON position, formed in the form of a contact blade contacts 7 of the fuse links 6 are in electrical contact with mating contacts 8.
• the mating contacts 8 may be formed, for example, as Lyra prestigee.
• the fuse breaker switch has a latching device 9 which couples the carrier to the lid such that, with the lid closed, the carrier is held under the force of a first spring 10 in an ON position - in which the contacts 7, 8 are engaged - and at a given opening angle ⁇ of the cover, the carrier is transferred for transfer to an OFF position - in which the contacts 7, 8 are open (see FIG.
• the latching device 9 can be formed by a stop surface 11 of the carrier 5 and a stop 12 associated with this stop surface 11 in the form of a rotatable half-wave.
• the half wave is under the
• the carrier 5 initially remains in its ON position during the opening process of the lid 3, so that the contacts 7, 8 remain closed. Only when reaching the predetermined opening angle ⁇ of the lid 3 succeeded on the lid 3 trained driver 15 in abutment against an arm 16 of the half-wave and pivots it out of the movement path 14 of the carrier 5.
• the carrier for transferring in the illustrated in Figure 4 Release OFF position.
• the carrier In this AUS Position, the carrier is pivoted under the force of the first spring 10, wherein the contacts 7 of the fuse links 6 are pressed from the associated mating contacts 8 and thus electrically separated from each other.
• an optimum opening speed which is determined by the mass of the carrier 5 provided with the securing insert 6 and the extinguishing time to be achieved, can be selectively selected by selecting a spring with a corresponding spring force.
• Verklinkungs Pain 9 is not limited to the embodiment shown in Figures 2 to 4. Rather, any other functionally equivalent latching device can be provided.
• a rebound lock may optionally be provided.
• a means 17 for positive entrainment of each of the carrier 5 is provided with the lid 3.
• This inevitable entrainment of each of the carrier with the lid acts on exceeding the predetermined opening angle ⁇ of the lid by a predetermined value .DELTA..alpha.
• the inevitable entrainment takes place so shortly after the release (unlatching) of Carrier for transferring into its OFF position, wherein the value .DELTA..alpha. Of exceeding the predetermined opening angle .alpha. Is selected so that the positive entrainment can only take effect in the case of welded contacts.
• the transfer of the carriers 5 into their OFF position takes place according to the invention under the force of the springs 10. In this case, the inevitable entrainment no longer takes effect.
• the figures 1 to 4 are provided as means 17 for positively entrainment of the carrier 5 with the lid 3 on the one arm, hinged to the support and at the end of their free lever arm each provided with a pin 18 lever 19 and the other in the lid 3 formed, slot-like , the pins 18 associated with management contours 20 provided.
• the ends 21, 22 of each of the guide contours 20 each end stops for the associated pin 18.
• the position of the carrier 5 facing first 21 of the end stops is the value ⁇ + ⁇ of the opening angle of the lid 3, in which the zwangss-compromisingem entrainment done, given. Due to the position of the second 22 of the end stops, the OFF position of the carrier 5 in the lid 3 can be determined.

Landscapes

• Fuses (AREA)
• Switch Cases, Indication, And Locking (AREA)
• Keying Circuit Devices (AREA)
• Breakers (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=36676066

Family Applications (1)

Country Status (5)

Families Citing this family (2)

Family Cites Families (7)

• 2005
  • 2005-04-11 DE DE102005017672A patent/DE102005017672A1/de not_active Withdrawn
• 2006
  • 2006-04-11 EP EP06725709A patent/EP1869689B1/fr not_active Not-in-force
  • 2006-04-11 WO PCT/EP2006/061519 patent/WO2006108841A2/fr not_active Application Discontinuation
  • 2006-04-11 DE DE502006006243T patent/DE502006006243D1/de active Active
  • 2006-04-11 BR BRPI0610560-2A patent/BRPI0610560A2/pt not_active IP Right Cessation
  • 2006-04-11 AT AT06725709T patent/ATE459090T1/de active

Non-Patent Citations (1)

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