Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F27/00—Details of transformers or inductances, in general
  • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
  • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
  • G01R1/22—Tong testers acting as secondary windings of current transformers
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
  • H01F38/20—Instruments transformers
  • H01F38/22—Instruments transformers for single phase ac
  • H01F38/28—Current transformers
  • H01F38/30—Constructions

Definitions

• the invention relates to a device for releasable
• Conductor is applied to the power converter housing at least partially against the surface of the conductor.
• a current conductor is usually passed through an opening provided on the current transformer housing. The attachment of the conductor to the current transformer housing takes place
• the disadvantage here is that the screws or screws must cover a relatively long path for attachment to the conductor, which is done exclusively by a purely rotational movement, which is very power consuming and time-consuming, especially with a larger number to be fixed current transformer housing on a Conductor.
• the invention is therefore based on the object, a
• the device according to the invention for fastening a current conductor to a current transformer housing has a
• Fastening element wherein the fastening element can be guided such that the fastening element in a fixed state of the conductor to the
• the fastening element is characterized in that the fastening element is designed such that it in the transfer of an unsecured state in the mounted state of the conductor to the current transformer housing a
• the current conductor can be connected to the fastening element, which is translationally movable.
• the fastening element surrounds the current transformer housing about its outer peripheral surface and is guided along the outer peripheral surface of the current transformer housing.
• the fastener is preferably in the form of a
• the fastener is doing in a certain
• Outer side surface of the current transformer housing locking means are formed, in which engages the fastener in the attached state.
• locking lugs are preferably arranged one below the other along an outer side surface of the current transformer housing, so that the
• the locking means serve that the
• Fixing element in different positions along the current transformer housing is fixed, so that the
• Fastening element can be flexibly adapted to the dimensions of the current conductor to be fastened.
• the Attachment takes place in such a way that the
• Fastening element engages in the attached state in the form of the current transformer housing locking means. Additional fasteners such as screws or threaded pins are no longer necessary.
• a lever is provided according to an advantageous embodiment of the invention on the fastener.
• the lever is preferably attached to the outside surface of the fastener facing away from the power converter housing so that a user can easily operate the lever and is easily accessible to the user.
• the lever is preferably arranged in the region of the gear, wherein by means of the lever, the gear can be blocked so that the fastener or the gear can be fixed within the locking lugs.
• the lever is rotatably mounted on a shaft. This allows the lever to be moved to an open position and a closed position.
• the lever is attached via a connecting element to the shaft.
• the connecting element can be
• the gear or locking lug is preferably designed such that it in the
• Fixing element along the desired path can lead to the current transformer housing and the gear or the latching nose can engage in the locking means for fixing the fastener.
• Outer circumferential surface of the current transformer is further preferably provided on the current transformer housing a guide rail.
• the fastening element preferably has an engagement region, which can engage in the guide rail or can embrace the guide rail, so that the fastening element can be guided along the guide rail.
• the guide rail is included
• Guide rail will be an additional guide of the
• Fastener can be prevented.
• a tilting of the fastener can thereby
• the fastener is in a on a
• the fastening element is preferably guided within the passage opening of the retaining element in such a way that it moves from the unattached state into the fastened state and vice versa
• the holding element is preferably designed in the form of a flange, which on the
• Outer peripheral surface of the current transformer housing is arranged and protrudes from this, so that the fastening element can be guided at a certain distance to the current transformer housing.
• the guidance of the fastening element within a passage opening in the retaining element allows a targeted guidance of the fastening element in the direction of Busbar, allowing a secure fixation of the
• Fastening element has locking means formed along its longitudinal axis, wherein the latching means can be latched into a hook element formed in the passage opening.
• Fixing element can be fixed to a current transformer housing.
• the hook element can be formed, for example, in the form of a web, which can engage in the latching means. Once the hook element in one of
• Locking means engages, a shift of the
• Fixing element prevents, so that the
• Fixing element can be firmly fixed in this position and thereby also a fixation of the conductor is made possible by the fastener is clamped in this position on the conductor.
• Figure 1 is a schematic representation of the device according to the invention according to a first embodiment in an unsecured state.
• FIG. 2 shows a further schematic representation of the device according to the invention shown in FIG. 1 in a fastened state
• Fig. 3 is a schematic representation of a
• Fig. 1 and 2 show a device according to the invention for attachment of a conductor 10 at one
• the conductor 10 is connected through an on the
• Fastening element 16 wherein the fastening element 16 surrounds the outer peripheral surface of the current transformer housing 12 and is guided along the outer peripheral surface of the current transformer housing 12.
• the fastener 16 is formed in the form of a ring whose shape to the
• Outer peripheral surface of the current transformer housing 12 is adjusted.
• the fastening element 16 is guided at a certain distance from the outer circumferential surface of the current transformer housing 12. Along an outside surface of the
• Current transformer housing 12 are formed a plurality of locking means 18 in the form of locking lugs, wherein the locking means 18 are arranged in a row with each other along an outer side surface of the current transformer housing 12.
• a connecting element 20 is arranged on the fastening element 16, which can engage in the latching means 18.
• a lever 22 is provided on the fastening element 16, which is rotatably mounted via the connecting element 20 on a shaft 42 to the lever 22 in an open position in which the fastening element 16 is movable, and in a closed position, in which the fastener 16 in the desired
• the connecting element 20 may be formed, for example, as a gear or have a latching element, which in dependence of
• Position of the lever 22 within the locking means 18 is movable or engages in the locking means 18 such that the fastening element 16 is fixed in this position.
• grooves are preferably arranged on the outer surface of the lever 22.
• Fig. 1 the device according to the invention is shown in a non-fixed state, wherein the
• Busbar 10 rests.
• the lever 22 is pivoted upwardly, so that the gear 20 is freely movable and can be guided along the latching means 18.
• the device according to the invention is shown in a fastened state, wherein the fastening element 16 at least partially rests on the surface of the current conductor 10.
• the lever 22 is pivoted in a position downward, in which position the gear 20 is fixed by means of the lever 22, so that the
• Fastener 16 can not be moved from this position. Only by pivoting the lever 22 back into the position in which the lever 22 is pivoted upward, the fastener 16 can be released again. As can be seen in FIGS. 1 and 2, is parallel to the
• Locking means a guide rail 24 at one
• Guide rail 24 is guided. For that are on the
• Fixing element 16 guide means 26 for example in the form of individual arm members, formed which engage in the guide rail 24 or partially engage, so that the fastening element 16 along the guide rail 24 can be performed.
• the guide means 26 are in the embodiment shown here in the form of webs
• FIG. 3 shows a device according to the invention in accordance with a second embodiment, in which a current conductor 10 is passed through a through opening 14 provided on a current transformer housing 12.
• the fastening element 32 has a plurality along its longitudinal axis 40 formed
• Locking means 34 which can be engaged in a formed on the through hole 30 hook member 36.
• the hook element 36 is preferably resilient on the
• Holding element 28 is arranged so that the locking means 34 can be guided along the hook member 36, in particular during a movement in the direction of
• Hook element 36 are deflected so that the
• Locking means 34, the hook member 36 can pass.
• the fixation of the conductor 10 via a on the Fastener 32 formed free end 38 which rests in the mounted state on the surface of the conductor 10 and thereby can clamp the conductor 10 to the current transformer housing 12.

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Mounting Components In General For Electric Apparatus (AREA)
• Transformers For Measuring Instruments (AREA)
• Clamps And Clips (AREA)
• Housings And Mounting Of Transformers (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=43640139

Family Applications (1)

Country Status (10)

Families Citing this family (4)

Citations (4)

Family Cites Families (16)

• 2009
  • 2009-12-17 DE DE102009059012A patent/DE102009059012B4/de not_active Expired - Fee Related
• 2010
  • 2010-12-17 CN CN201080055607.XA patent/CN102714085B/zh not_active Expired - Fee Related
  • 2010-12-17 WO PCT/EP2010/070073 patent/WO2011083030A1/de active Application Filing
  • 2010-12-17 EP EP10798779A patent/EP2513921A1/de not_active Withdrawn
  • 2010-12-17 RU RU2012124523/07A patent/RU2507621C1/ru not_active IP Right Cessation
  • 2010-12-17 US US13/515,070 patent/US8766757B2/en not_active Expired - Fee Related
  • 2010-12-17 CA CA2782028A patent/CA2782028A1/en not_active Abandoned
  • 2010-12-17 BR BR112012014593A patent/BR112012014593A2/pt not_active IP Right Cessation
  • 2010-12-17 MX MX2012006977A patent/MX2012006977A/es active IP Right Grant
  • 2010-12-17 JP JP2012543786A patent/JP2013514647A/ja active Pending

Patent Citations (4)

Non-Patent Citations (1)

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