Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
  • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
  • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
  • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
  • F16B21/06—Releasable fastening devices with snap-action
  • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
  • F16B21/073—Releasable fastening devices with snap-action in which the socket has a resilient part the socket having a resilient part on its inside
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
  • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
  • F16B21/06—Releasable fastening devices with snap-action
  • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
  • F16B21/071—Releasable fastening devices with snap-action in which the socket has a resilient part the socket being integrally formed with a component to be fasted, e.g. a sheet, plate or strip
• • 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
  • G01R1/02—General constructional details
  • G01R1/04—Housings; Supporting members; Arrangements of terminals
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
  • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
  • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
  • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
  • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
• • 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
• • 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
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
  • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
  • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
  • G01R15/188—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers comprising rotatable parts, e.g. moving coils

Definitions

• the invention relates to a fastening element for a current sensor according to the preamble of the independent claim 1.
• Such fasteners are needed to attach a current sensor not only lying flat but also standing upright on a mounting surface can.
• the object of the invention is to reduce this effort and provide a design for a fastener with which a corresponding current sensor with the least possible effort not only lying but also standing on a mounting surface can be attached.
• An essential advantage of the invention is that the fastener has at least one, preferably two locking devices and thus with only a minimum of manual effort on the
• two fastening elements according to the invention can be inserted with their latching devices from opposite sides into the same screwed outlets of the current sensor and, in particular, lock together with their latching devices in a screwing hole belonging to the respective screw passage and thus be held on the current sensor.
• the current sensor can be mounted on the mounting surface with little effort in different orientations.
• the current sensor with its contact terminal side i. with the side on which its electrical connections are arranged, or which is at least adapted to arrange these electrical connections thereto, be arranged at right angles to the mounting surface. But it can also be aligned so that its contact terminal side is aligned parallel to the mounting surface and facing away from it.
• three different orientations for the alignment of the contact terminal side are provided, which the current sensor can assume, whereby the variants, which are each defined by a 180.degree. Rotation around a perpendicular to the mounting plane axis, not taken into account.
• the latching pin and the arrangement of a plurality of latching wings preferably have a latchable form with each other. This has the advantage that two similar fastening elements are able to lock to each other by each latching a locking pin of a fastener to the locking wings of the other fastening element.
• the preferably integrally formed fastener on the one hand at least one flange and on the other hand at least one locking device, preferably two locking devices possesses.
• the flange portion may have a foot portion for attachment to the attachment surface.
• This foot area may, for example, have a baseboard and may furthermore have at least one, preferably two, foot surfaces.
• a large mechanical contact surface is ensured with the mounting surface, which benefits the stability of the attachment.
• the flange region has at least one clamping surface.
• the baseboard, the foot surfaces and the clamping surface may adjoin one another and may also be connected to each other via stabilizing means, for example at least one stabilizing surface, for stabilizing their mutual fastening.
• stabilizing means for example at least one stabilizing surface, for stabilizing their mutual fastening.
• two stabilizing surfaces can each connect one of the two base surfaces to the clamping surface and thereby run preferably perpendicular to both the foot surface and the clamping surface, whereby a particularly high stability of the flange region is ensured.
• the foot surfaces and the baseboard of the respective fastening element are preferably in a first plane. Between this first plane and a second plane, in which the clamping surface is located, there is an angle a, which may for example be between 88 ° and 94 °, but advantageously between 90 ° and 92 °. Thus, for example, the angle ⁇ may be a right angle.
• the angle ⁇ is slightly greater than 90 °.
• the angle ⁇ is greater than 90.25 °.
• the angle ⁇ is greater than 90.5 °.
• the angle ⁇ may be greater than 90.75 °, ie, for example 91 ° or more
• the respective latching device may consist of a first holding arm and the latching pin formed thereon as well as a second holding arm and latching wings integrally formed thereon.
• the locking pin may have along its course an axis of symmetry, to which it is preferably constructed at least mirror-symmetrical. Along its axis of symmetry, its width can thus vary, at least in one particular direction. This allows, at least in this direction, either a taper, i. a latching recess, and / or a thickening of the latching pin, wherein both variants of the latching, for example between the latching wings of a further, similar fastening element, can serve.
• the latching pin may have a taper by two mutually opposite latching recesses. Furthermore, a design is conceivable in which the locking pin is even constructed rotationally symmetrical with its taper and / or thickening.
• latching wings are arranged on the second holding arm.
• latching wings may be formed to the freestanding end open, conically tapered cavity.
• the latching wings on locking lugs.
• the latching lugs may be moldings, and / or the latching lugs may also be formed, for example, in that the latching vanes are curved in accordance with each other and extend toward each other towards their open end.
• These locking lugs are suitable, for example, to engage in the latching recesses of the latching pin in order to latch it.
• Two such, in particular similar, fasteners may be mounted opposite each other by mutual locking to a current sensor, in order to fix this again on the mounting surface.
• the current sensor preferably has four fferauslässe, wherein in each of the fferauslässe a ringbohrung is arranged and in particular around each of these fferbohrept around at least three holding elements can be arranged.
• these holding elements may be essentially cuboid holding struts, which advantageously have the same spacing from the screwing bore and are ideally arranged at equidistant angular intervals around the screwing hole.
• the two holding elements can be fixed to the current sensor in that they lock together with their locking pins and latching wings in the fferbohritch each other.
• the angle ⁇ is slightly greater than 90 °, because now two oppositely attached to the current sensor ("clipped") fasteners screwed with their foot surfaces on a mounting surface, then their clamping surfaces of both Sides pressed against the current sensor and the current sensor is clamped between these two fasteners.
• the latching devices are arranged in the screw holes of the current sensor. In particular, press the locking pin and locking wing in the screw hole the current sensor in the direction of the mounting surface and thus provide additional stability.
• the latching devices of the fastening element each have a holding arm. Finally, this holding arm is located in the respective screw passage of the current sensor and is supported by its holding elements, in particular holding struts, and can additionally press the current sensor against the mounting surface at this point.
• Fig. 1 a a Befestigunselement in an oblique plan view
• FIG. 2c shows a latching pin and a latching recess in the unlatched state in an enlargement
• FIG. 3b shows the current sensor with two unlocked fastening elements
• FIGS 1 a, b, c and d show a fastener 1 in different views.
• This fastener has a flange portion 1 1 and two locking devices, namely a first locking device and a second locking device.
• the flange portion 1 1 can be seen particularly well in Fig.1. He has for attachment to a mounting surface 3 a foot area. This Foot area has a baseboard 1 1 1, which in turn is particularly well visible in Fig. 1 b, and two foot surfaces 1 16. In each of these foot surfaces 1 16, a mounting slot 1 17, for example, for screwing or otherwise attaching to the mounting surface 3, be arranged.
• the flange portion 1 1 on a clamping surface 1 12.
• Each of the two foot surfaces 16 is connected via two stabilizing surfaces 1 13 with the clamping surface 1 12.
• the stabilizing surfaces are preferably perpendicular to both the foot surfaces 1 16 and to the clamping surface 1 12, whereby a particularly high stability is ensured.
• the foot surfaces 1 16 and the baseboard 1 1 1 of the respective fastener 1 in a first plane E1.
• an angle which may advantageously be between 90 ° and 92 °.
• the angle ⁇ could be a right angle.
• the angle ⁇ is slightly greater than 90 °.
• the angle ⁇ is greater than 90.25 °.
• the angle ⁇ is greater than 90.5 °.
• the angle ⁇ may be greater than 90.75 °, e.g. 91 ° or more.
• the first latching device consists of a first holding arm 12 and the latching pin 14 integrally formed thereon.
• the second latching device consists of a second holding arm 13 and latching wings 15 formed thereon.
• the locking pin 14 has along its course an axis of symmetry, to which it is constructed essentially mirror-symmetrical. Along these This axis of symmetry tapers its width in a certain direction, whereby a latching recess 142 is formed on both sides of the latching pin 14.
• latching wings 15 are arranged.
• this latching wing 15 is a freestanding end open towards, conically tapered cavity is formed.
• the latching wings 15 latching lugs 151, which are particularly well visible in Fig.1 d.
• the latching lugs 151 may be projections, and / or the latching lugs 151 may also be formed, for example, in that the latching lobes 15 are curved in accordance with each other and extend towards each other towards their open end.
• detents 151 are adapted to engage in the recesses 142 of the latching hook 14 to lock it.
• FIG. 2a shows the two fastening elements 1, 1 ' in an SD representation, wherein it is obvious that the respective latching hook 14, 14 ' is provided for between the latching wings 15 ' , 15 of the respective other fastening element 1, 1 '. to lock.
• FIGS. 2d and 2e show the two fastening elements 1, 1 ' in a latched state. In particular, from Fig. 2e shows how the locking pin 14 'is inserted into the cavity 152 and how the locking lugs
• FIG 3a shows a corresponding current sensor 2 with a contact terminal side 21 and a second side 22 opposite thereto, as well as a third side 26 and a fourth side 27.
• the current sensor naturally has a visible front side 28 in the drawing and one in the drawing hidden back.
• the current sensor has a central core hole 25, which is provided, for example, for attaching the current sensor to a busbar.
• the current sensor 2 has at its corners four ring scrutiniser 23, 24, wherein in each of the ring mallässe 23, 24 a ringbohrung 231, 241 is arranged and in particular around each of these fferbohrened around three parallelepiped support struts 232, 242 are arranged, which advantageously the same distance to the respective fferbohrung 231, 241 and ideally are arranged at equidistant angular intervals around the fferbohrung 231, 241 around.
• the retaining arms of the fastening elements can be held in the screw lead-throughs 23, 24.
• FIG. 3b shows the current sensor 2 with the two fastening elements 1, 1 ' to be latched thereto.
• the two holding elements 1, 1 ' are fixed to the current sensor 2 in that they lock together with their latching devices in the screw passages 23 located on the flat side 22.
• the angle ⁇ shown in FIG. 1 c is slightly larger than 90 °. If the two fasteners 1, 1 ' with their foot surfaces 1 16, 1 16 ' screwed onto a flat mounting surface 3, then their clamping surfaces 1 12, 1 12 ' pressed from both sides against the current sensor 2 and the
• the latching devices of the two fastening elements 1, 1 ' are arranged in the screw passages 23 of the current sensor.
• the locking pins 14, 14 ' and latching wings 15, 15 ' press the current sensor 2 in the screw holes 23, 24 in the direction of the fastening surface 3 and thus ensure additional stability.
• the respective holding arm 12, 12 ' , 13, 13 ' in the respective screw passage 23 may be held by the holding struts 232 and then additionally presses the current sensor 2 against the mounting surface 3.
• FIG. 3 c shows a comparable arrangement, in which, however, the respective holding elements each have a latching device in a screw passage 23, which is located on the flat side 22 of the current sensor 2, and with the respective other latching device in a screw-through passage 24, the is located on the contact side 21 of the current sensor 2, are introduced.
• the current sensor 2 can be attached to the attachment surface 3 in different orientations.
• the locking devices in the ring belässen 23, 24 of the current sensor 2 are arranged.
• the locking pins 14, 14 ' and latching wings 15, 15 ' in the screw bores 231, 241 push the current sensor 2 in the direction of the fastening surface 3 and thus provide additional stability.
• the respective holding arm 12, 12 ' , 13, 13 ' held in the respective ring gutlass 23, 24 of the associated retaining struts 232, 242 and presses the
• busbar 4 extends through the core hole 25 of the current sensor 2 and at right angles to its front side 28.
• FIG. 4a shows the current sensor, which is attached on its flat side 22 with the two fastening elements 1, 1 ' to the fastening surface 3, so that its contact connection side 21 is aligned parallel to the fastening surface 3 and oriented away from it.

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Mechanical Engineering (AREA)
• Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
• Connection Of Plates (AREA)
• Clamps And Clips (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=52468865

Family Applications (1)

Country Status (6)

Families Citing this family (5)

Family Cites Families (16)

• 2014
  • 2014-03-03 DE DE102014102793.0A patent/DE102014102793B4/de active Active
• 2015
  • 2015-01-20 EP EP15703864.7A patent/EP3114361A1/de not_active Ceased
  • 2015-01-20 US US15/111,970 patent/US20160377659A1/en not_active Abandoned
  • 2015-01-20 RU RU2016138689A patent/RU2642390C1/ru active
  • 2015-01-20 CN CN201580010870.XA patent/CN106068457B/zh active Active
  • 2015-01-20 WO PCT/DE2015/100026 patent/WO2015131875A1/de active Application Filing

Non-Patent Citations (2)

Also Published As

Similar Documents

Legal Events