EP2144340A1 - Verteilerkasten für die Stromversorgung eines Kochfelds - Google Patents

Verteilerkasten für die Stromversorgung eines Kochfelds Download PDF

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Publication number
EP2144340A1
EP2144340A1 EP08012380A EP08012380A EP2144340A1 EP 2144340 A1 EP2144340 A1 EP 2144340A1 EP 08012380 A EP08012380 A EP 08012380A EP 08012380 A EP08012380 A EP 08012380A EP 2144340 A1 EP2144340 A1 EP 2144340A1
Authority
EP
European Patent Office
Prior art keywords
junction box
cooking hob
recess
interior
exterior
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08012380A
Other languages
English (en)
French (fr)
Inventor
Stefan Bayerlein
Björn Leyh
Alwin Neukamm
Peter Hoffmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP08012380A priority Critical patent/EP2144340A1/de
Publication of EP2144340A1 publication Critical patent/EP2144340A1/de
Withdrawn legal-status Critical Current

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/741—Means for mounting coupling parts in openings of a panel using snap fastening means
    • H01R13/743—Means for mounting coupling parts in openings of a panel using snap fastening means integral with the housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/102—Tops, e.g. hot plates; Rings electrically heated
    • F24C15/104—Arrangements of connectors, grounding, supply wires
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • 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
    • H01R9/2491—Terminal blocks structurally associated with plugs or sockets
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders

Definitions

  • the present invention relates to a junction box for the power supply of a cooking hob according to claim 1. Further, the present invention relates to a cooking hob with at least one junction box for the power supply according to the preamble of claim 9.
  • the junction box for the power supply in particular the electric terminals should be protected against the heat generated by the heating devices.
  • the junction box comprises a double-walled casing as a protection against the heat.
  • the junction box is very broad and the distance to the heating device is relative small, so that at least the outer part of the double-walled casing becomes very hot.
  • junction boxes are insertable into a recess in a panel of the cooking hob from the exterior.
  • the assembler has to turn-over the whole cooking hob during the production process in order to fasten the junction box at the cooking hob.
  • the object of the present invention is achieved by the junction box according to claim 1.
  • junction box for the power supply of a cooking hob is provided, wherein:
  • the main idea of the present invention is the assembly of the junction box into the recess from the interior space of cooking hob and the arrangement of the terminals in the central portion of said junction box.
  • the first point simplifies the production process of the cooking hob, since the casing of the cooking hob need not to be turned-over by the assembler.
  • the second point improves the protection of the terminals against heat, since the temperature in the central portion is the lowest within the junction box.
  • the casing of the junction box is single-walled.
  • the single-walled junction box allows a smaller wide of the junction box and a bigger distance between the junction box and the neighbouring heating devices within the cooking hob.
  • the air between the junction box and the heating devices delays a heating of the terminals and contributes to the cooling of the junction box.
  • the dimensions of the junction box are adapted to the structure of the cooking hob, so that the distances between the casing of the junction box and the neighbouring heating devices are maximised.
  • the electric contact elements are arranged in a series within the junction box. This allows a relative big distance from the heating devices and contributes also to a reduced heating of the terminals.
  • the cross-section of the exterior part of the junction box is marginally smaller than the cross-section of the recess in the bottom panel or side panel. Also this feature simplifies the assembly of the junction box in the cooking hob.
  • the junction box comprises supporting elements for supporting said junction box at the edge and/or at the border of the recess.
  • the junction box comprises appendices arranged at least partially on an opposite side of the latch element, wherein at least one edge of the recess is engageable into said appendices.
  • the junction box comprises detection means for sensing the temperature of the electric terminals, in particular of the electric terminals in the interior part of said junction box.
  • the power supply for the heating devices of the cooking hob can be reduced or switched off, if the temperature of the electric terminals is too high. This is an additional feature for preventing a destruction of the junction box.
  • the object of the present invention is also achieved by the cooking hob with a junction box for the power supply according to claim 9.
  • the cooking hob comprises at least one junction box as described above.
  • the production process of the cooking hob is simplified, since the casing of the cooking hob need not to be turned-over by the assembler.
  • the protection of the terminals against heat is improved, since the temperature in the central portion is the lowest within the junction box.
  • the position and the dimensions of the junction box are adapted to the structure of the cooking hob, so that the distances between the casing of the junction box and the neighbouring heating devices are maximised.
  • the air between the junction box and the heating devices delays a heating of the terminals and contributes to the cooling of the junction box.
  • the cooking hob comprises a glass-ceramic panel forming the top side of said cooking hob.
  • a barrier is arranged between the junction box and the glass-ceramic panel in order to hold the heat off from a top side of the interior part of said junction box.
  • FIG 1 illustrates a schematic diagram of a perspective view of a cooking hob in an open state according to a preferred embodiment of the present invention.
  • the cooking hob comprises a casing with a bottom panel 12 and four side panels 14. In this open state the cooking hob is shown,without a glass-ceramic panel. Said glass-ceramic panel is provided to cover the open top side of the casing.
  • the cooking hob comprises a junction box 10, four heating devices 16 and a housing 18.
  • the heating devices 16 are radiant heating devices.
  • the housing is provided for an electric and/or electronic circuitry.
  • the heating devices 16 and the housing 18 are arranged within an interior space enclosed by the bottom panel 12 and the four side panels 14.
  • An interior part 22 of the junction box 10 is also arranged within said interior space of the cooking hob.
  • the junction box 10 includes the interior part 22 and the exterior part 24.
  • the interior part 22 is arranged within the interior space of the cooking hob.
  • the interior part 22 is further arranged above the bottom panel 12.
  • the exterior part 24 is arranged below the bottom panel 12.
  • the junction box 10 is arranged within a recess in the bottom panel 12. During assembling the cooking hob the junction box 10 is inserted from the interior space into the recess. In this example the junction box 10 is inserted into the recess top down.
  • FIG 2 illustrates a schematic diagram of a perspective view at the exterior part 24 of the junction box 10 snapped-in within the recess in the bottom panel 12 according to the preferred embodiment of the present invention.
  • the junction box 10 is snapped-in by two latch elements 20.
  • the latch elements 20 are arranged at a narrow side of the junction box 10.
  • Said exterior part 24 is closed by a cover element 36.
  • the cover element 36 includes a recess provided for a power cable.
  • FIG 3 illustrates a schematic diagram of a perspective view at the exterior part 24 of the junction box 10 in an open state according to the preferred embodiment of the present invention. Unlike FIG 2 the bottom panel 12 and the cover element 36 are not shown in FIG 3 .
  • the junction box 10 comprises a number of exterior terminals 28 inside the exterior part 24.
  • the exterior terminals 28 are arranged in a series.
  • the exterior part 24 comprises five exterior terminals 28.
  • Each of the exterior terminals 28 comprises a screw for clamping a wire.
  • the wires of a power cable are connectable to the exterior terminals 28.
  • the exterior part 24 of the junction box 10 comprises a pull relief for the power cable.
  • two lateral appendices 30 and a central appendix 32 are arranged at the junction box 10.
  • the lateral appendices 30 and the central appendix 32 extend into the opposite direction of the engagement hooks at the latch elements 20.
  • the lateral appendices 30 belong to the exterior part 24 of the junction box 10.
  • the central appendix 32 belongs to the interior part 22 of the junction box 10.
  • the lateral appendices 30 and the central appendix 32 are displaced in such a way that an edge of the panel 12 or 14 can be engaged between the lateral appendices 30 and the central appendix 32, wherein the lateral appendices 30 are arranged on the one side and the central appendix 32 is arranged on the other side of the panel 12 or 14.
  • Each flange section 34 is arranged between the interior part 22 and the exterior part 24. Each of the flange sections 34 is arranged at one of the longitudinal sides, respectively, of the junction box 10. Each flange section 34 extends between the latch element 24 and interior appendix 30.
  • a predetermined edge of said recess is engaged between the lateral appendices 30 and the central appendix 32 from the interior space of the cooking hob.
  • the lateral appendices 30 are arranged at the exterior side of said edge.
  • the central appendix 32 is arranged at the interior side of said edge.
  • the junction box 10 is pressed into the recess, in particular near the opposite narrow side of the lateral appendices 30 and the central appendix 32, so that the latch elements 20 snap-in within said recess.
  • the flange sections 34 rest against the inner side of the bottom panel 12.
  • the junction box 10 is supported within the recess by the latch elements 20, the lateral appendices 30, the central appendix 32 and the flange sections 34.
  • FIG 4 illustrates a schematic diagram of a perspective view at the interior part of the junction box 10 snapped-in within the recess of the bottom panel 12 according to the preferred embodiment of the present invention. In FIG 4 only a section of said bottom panel 12 is shown.
  • the flange sections 34 and the central appendix 32 support the junction box 10 at the interior side of the recess.
  • the engagement hooks of the latch elements 20 and the lateral appendices 30 support the junction box 10 at the exterior side of the recess.
  • a number of interior terminals 26 is arranged in series within the interior part 22 of the junction box 10. Each of said interior terminals 26 is associated with one of the exterior terminals 28. In particular, the interior terminal 26 is associated with that exterior terminal 28 having the shortest distance from said interior terminal 26. The interior terminals 26 are electrically connected to the corresponding exterior terminals 28, respectively. The interior terminals 26 are also arranged in series. The interior terminals 26 are provided for the connection to the electric and/or electronic components of the cooking hob.
  • the interior terminals 26 are arranged at a central portion within the junction box 10. In said central portion the temperature has the lowest values within the junction box 10. Further, the distance between said interior terminals 26 and the heating devices 16 beside the junction box 10 is maximised. This allows a low thermal impact.
  • the junction box 10, in particular the interior part 22 of said junction box 10, is single-walled. This allows a small size of the junction box 10 and a bigger distance to the heating devices 16 beside the junction box 10.
  • the junction box 10 according to the present invention can be inserted into the recess from the interior space of the cooking hob. Since the interior space is accessible during the whole production process, it is not necessary to turn-over the casing of the cooking hob. This allows a substantial simplification of the production process of the cooking hob.
  • the junction box 10 comprises at least one temperature sensitive element in order to sense the temperature at and/or near the terminals 26 und 28, in particular at and/or near the interior terminals 26. If the temperatures at the terminals 26 und 28 reach a dangerous value, then the power of the corresponding heating device 16 may be reduced or switched off.
  • a barrier is arranged between the junction box 10 and the glass-ceramic panel in order to hold the heat off from a top side of the junction box 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Stoves And Ranges (AREA)
EP08012380A 2008-07-09 2008-07-09 Verteilerkasten für die Stromversorgung eines Kochfelds Withdrawn EP2144340A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08012380A EP2144340A1 (de) 2008-07-09 2008-07-09 Verteilerkasten für die Stromversorgung eines Kochfelds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08012380A EP2144340A1 (de) 2008-07-09 2008-07-09 Verteilerkasten für die Stromversorgung eines Kochfelds

Publications (1)

Publication Number Publication Date
EP2144340A1 true EP2144340A1 (de) 2010-01-13

Family

ID=40044138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012380A Withdrawn EP2144340A1 (de) 2008-07-09 2008-07-09 Verteilerkasten für die Stromversorgung eines Kochfelds

Country Status (1)

Country Link
EP (1) EP2144340A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVE20110024A1 (it) * 2011-04-21 2012-10-22 Meneghetti S P A Unipersonale Piano di cottura
DE102013106849A1 (de) * 2013-07-01 2015-01-08 Miele & Cie. Kg Gargerät
CN104577585A (zh) * 2013-10-12 2015-04-29 九阳股份有限公司 适用于电磁炉的电源接头
WO2018103835A1 (en) * 2016-12-07 2018-06-14 Arcelik Anonim Sirketi Electrical connecting device for use in an electrical household appliance
CN112836303A (zh) * 2020-10-29 2021-05-25 中铁工程服务有限公司 一种盾构刀盘滚刀自动布置方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079581A (en) * 1958-02-12 1963-02-26 Jr Ferdinand Klumpp Self locking bushing
US3838505A (en) * 1973-11-02 1974-10-01 Whirlpool Co Method of forming glass-ceramic cooktop construction
DE10040601A1 (de) * 2000-08-16 2002-03-07 Fladung Gmbh Manfred Steckverbinder
DE10049751A1 (de) * 2000-10-07 2002-04-25 Aeg Hausgeraete Gmbh Spannungsversorgung für Haushaltsgeräte
WO2002061893A1 (en) * 2001-02-01 2002-08-08 Pcd Incorporated Snap-in relay socket sysetm
DE102006024739A1 (de) * 2006-05-26 2007-11-29 Electrolux Home Products Corporation N.V. Haushaltsgerät, insbesondere Haushaltsofen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079581A (en) * 1958-02-12 1963-02-26 Jr Ferdinand Klumpp Self locking bushing
US3838505A (en) * 1973-11-02 1974-10-01 Whirlpool Co Method of forming glass-ceramic cooktop construction
DE10040601A1 (de) * 2000-08-16 2002-03-07 Fladung Gmbh Manfred Steckverbinder
DE10049751A1 (de) * 2000-10-07 2002-04-25 Aeg Hausgeraete Gmbh Spannungsversorgung für Haushaltsgeräte
WO2002061893A1 (en) * 2001-02-01 2002-08-08 Pcd Incorporated Snap-in relay socket sysetm
DE102006024739A1 (de) * 2006-05-26 2007-11-29 Electrolux Home Products Corporation N.V. Haushaltsgerät, insbesondere Haushaltsofen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVE20110024A1 (it) * 2011-04-21 2012-10-22 Meneghetti S P A Unipersonale Piano di cottura
DE102013106849A1 (de) * 2013-07-01 2015-01-08 Miele & Cie. Kg Gargerät
CN104577585A (zh) * 2013-10-12 2015-04-29 九阳股份有限公司 适用于电磁炉的电源接头
WO2018103835A1 (en) * 2016-12-07 2018-06-14 Arcelik Anonim Sirketi Electrical connecting device for use in an electrical household appliance
CN112836303A (zh) * 2020-10-29 2021-05-25 中铁工程服务有限公司 一种盾构刀盘滚刀自动布置方法
CN112836303B (zh) * 2020-10-29 2023-04-14 中铁工程服务有限公司 一种盾构刀盘滚刀自动布置方法

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