Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
  • H01R9/22—Bases, e.g. strip, block, panel
  • H01R9/24—Terminal blocks
  • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
  • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
  • H01R9/2641—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in overvoltage protection
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/02—Contact members
  • H01R13/04—Pins or blades for co-operation with sockets
  • H01R13/05—Resilient pins or blades
  • H01R13/055—Resilient pins or blades co-operating with sockets having a rectangular transverse section
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
  • H01T4/00—Overvoltage arresters using spark gaps
  • H01T4/06—Mounting arrangements for a plurality of overvoltage arresters
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01C—RESISTORS
  • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
  • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H37/00—Thermally-actuated switches
  • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
  • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
  • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit

Definitions

• the invention relates to a contact arrangement for plug-in Studentsnapssabieiter, wherein at least one overvoltage protection element is located in a housing, the housing bottom is penetrated by at least two U- or V-shaped contact tab ends, further within the housing, an electrical connection between the tabs and the at least one overvoltage protection element is formed, the contact lugs are designed as flat stamped and bent parts, the housing has a rectangular cross section with two opposite narrow sides and the flat punched and bent parts at least partially extend in the respective, formed by the housing narrow side plane, according to the preamble of claim 1.
• the base part which is electrically connected to inlets and outlets of the system to be protected or the device to be protected.
• the actual overvoltage protection element is located in a plug-in part, which is held releasably and electrically connected in the lower part by a mechanical plug connection.
• a thermal separation device in the event of excessive heating of the overvoltage protection element, e.g. a varistor provided.
• the lower part or the base or base part consists of a base portion and two side portions, which together form approximately the shape of a U.
• the male part which receives the overvoltage protection element or elements consists of a housing with at least one support wall and contact lugs which penetrate the housing bottom with a respective contact lug end.
• the contact lug ends occur after the insertion of the male part in the base part with existing there, on the cross section of the contact lug ends matched contact counterparts in operative connection, so that care is taken for the necessary electrical contact.
• the terminal contacts or tabs are located on the lower narrow end faces of the housing of the male part.
• the plug contacts or contact tongue ends of the plug-in part are loop-shaped, i. Bent in a U-shape, whereby both parts of the loop are so opposite flowed through by a surge current that the resulting force action, the corresponding parts of the bracket or U-shaped plug contacts pressed apart and thus increases their contact pressure in the insertion openings in the base part.
• the contact lugs together with the contact lug ends are preferably made of a metallic sheet material via the application of a known stamping and bending technique.
• the contact lugs are designed as flat stamped and bent parts and are preferably made of a metallic material.
• the housing has a rectangular cross section with two
• a housing side is tuned or this substantially corresponds. This means that the available width of the housing after Possibility is maximally utilized for the respective section of the contact lugs.
• this section has a notch, which is bent into the region of the respective contact lug end for reinforcement.
• the width of the contact lug ends can be selected to be smaller than the width of the further sections of the contact lugs, which with respect to the separation distances in the case of a multi-row
• the reinforcement of the contact lug ends by the notching
• Bending in a surface section not only leads to improved electrical properties of the contact arrangement, but also increases the mechanical stability of the contact tab end in the region of the U- or V-shaped bend or, in the case of a J-shaped contact, the stability in the region of the shorter J-leg. This is synonymous with repeated pulling and
• At least one planar extension extends from the housing bottom in the direction of the respective one
• At least one of the contact lugs may have a J-shape, wherein the notch in the region of the longer leg of the J is realized.
• This electrical connection is preferably a soldering or welding contact.
• a reinforcement of the thickness of the material of the flat stamped and bent part can be provided in the region of the contact lug end. This can be done by cohesive
• connection can be realized with another punched-bent part in an expedient manner, this additional part can have additional functions, especially in the case of the formation of this part as an element of a thermal separation device.
• Fig. 1 is a perspective, partially broken view of a
• Overvoltage protection device comprising base part and plug-in part
• Fig. 2a is a perspective view of the contact arrangement with
• Fig. 2b is a representation similar to that of Fig. 2a, but in
• FIG. 3 shows a detailed representation of the contact arrangement according to the invention in the form of a J with reinforced contact lug end
• Fig. 4 shows a further embodiment of a contact arrangement
• Fig. 5 is a perspective view of a contact arrangement, wherein a
• Reinforcement of the thickness of the material of the flat punched-bent part is carried out by another punched-bent part, which may be part of a thermal separation device.
• FIG. 1 shows an overvoltage protection arrangement 11, comprising a base or base part 2 and a plug-in part 1.
• the plug-in part 1 contains at least one overvoltage protection element, e.g. designed as a varistor.
• the base part 2 is suitable in the embodiment shown for DIN rail mounting and has at the opposite end faces means for electrical contacting, ie for connection to a system to be protected.
• the male part 1 consists of an insulating housing with housing bottom. From the housing bottom extend in the direction of Basisistis 2 two U- or V-shaped bent tabs. 3
• Counter contact piece 4 which is located in the base or Sockeiteil 2.
• the contact arrangement according to Fig. 2a, reference numeral 10, is based on a in their shape J-shaped contact lug 3, which is realized as a punched and bent part.
• the tab end includes a longer end 9 and a shorter end 8 with both ends bent into a U-shape.
• a notch 7 according to the invention is bent into the area between the ends 8 and 9 and leads to a mechanical and electrical reinforcement.
• a flat extension 6 fills the remaining gap between sections 8 and 9. This flat extension 6 can be part of, from the bottom of the
• Housing of the male part 1 extending, are formed.
• Fig. 3 shows again the formation of the J-contact 3 with clearly recognizable notch 7, bent into the section between the short leg 8 and longer leg 9 of the tab end, wherein technologically first the notching and bending in of the part 7 and then the U-shaped bend to obtain the short leg 8 is performed.
• Fig. 4 shows another embodiment of a contact lug 31, wherein also a notch 7 is bent into the region between the short leg 8 and the long leg 9 of the contact arrangement.
• Contact arrangement 32 according to FIG. 5 is a further contact component 12
• This component 12 also made by stamping and bending, is materially connected to one of the preformed contact arrangement, wherein an integral extension 71 of the part 12 gives the desired gain in the region between the legs 8 and 9 of the contact arrangement.
• the end of the contact lug opposite the sections 8 and 9 shown in FIGS. 2 a, 2 b and 3 has a surface section 33 which is in electrical connection with the respective one located in the plug-in part 1
• Overvoltage protection element in particular by soldering is formed.

Landscapes

• Details Of Connecting Devices For Male And Female Coupling (AREA)
• Thermistors And Varistors (AREA)
• Emergency Protection Circuit Devices (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=54697596

Family Applications (1)

Country Status (6)

Cited By (10)

Families Citing this family (2)

Citations (4)

Family Cites Families (11)

• 2015
  • 2015-01-09 DE DE102015000331.3A patent/DE102015000331A1/de not_active Withdrawn
  • 2015-11-25 CN CN201580072717.XA patent/CN107112656B/zh active Active
  • 2015-11-25 ES ES15798479T patent/ES2805540T3/es active Active
  • 2015-11-25 WO PCT/EP2015/077615 patent/WO2016110360A1/de active Application Filing
  • 2015-11-25 EP EP15798479.0A patent/EP3243242B1/de active Active
  • 2015-11-25 SI SI201531248T patent/SI3243242T1/sl unknown

Patent Citations (4)

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