EP1032245A2 - Pyrokeramisches Kochfeld versehen mit Sichereitsstufe - Google Patents

Pyrokeramisches Kochfeld versehen mit Sichereitsstufe Download PDF

Info

Publication number
EP1032245A2
EP1032245A2 EP00830117A EP00830117A EP1032245A2 EP 1032245 A2 EP1032245 A2 EP 1032245A2 EP 00830117 A EP00830117 A EP 00830117A EP 00830117 A EP00830117 A EP 00830117A EP 1032245 A2 EP1032245 A2 EP 1032245A2
Authority
EP
European Patent Office
Prior art keywords
cooktop
safety
barrier
pyroceram
temperature
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.)
Granted
Application number
EP00830117A
Other languages
English (en)
French (fr)
Other versions
EP1032245A3 (de
EP1032245B1 (de
Inventor
Ennio Mezzopera
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.)
TECNOWIND - S.P.A.
Original Assignee
Elcolux-Srl
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 Elcolux-Srl filed Critical Elcolux-Srl
Publication of EP1032245A2 publication Critical patent/EP1032245A2/de
Publication of EP1032245A3 publication Critical patent/EP1032245A3/de
Application granted granted Critical
Publication of EP1032245B1 publication Critical patent/EP1032245B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/04—Heating plates with overheat protection means

Definitions

  • the present patent application relates to a pyroceram cooktop with safety barrier.
  • the cooktop with an optical detection device - such as a small lamp, LED, etc. - that remains on (either with a fixed or flashing light) as long as the hot plate maintains a temperature that is considered as dangerous for the users.
  • an optical detection device - such as a small lamp, LED, etc. - that remains on (either with a fixed or flashing light) as long as the hot plate maintains a temperature that is considered as dangerous for the users.
  • the cooktop according to the present invention is provided with an electronic device capable of creating an invisible virtual barrier with a certain height.
  • the virtual barrier can be provided on the cooktop front edge, on various edges or on the entire perimeter.
  • the barrier is automatically activated when the user turns off the hot plate of the cooktop and remains activated until the temperature of the glass top drops to a safe level. Then, it remains off until the cooktop is used again.
  • the barrier is connected to an audible and/or visible signaller that is automatically activated as soon as the barrier is interrupted due to the interference of a kitchen tool or when the user stretches his/her hand towards the centre of the cooktop.
  • the sudden production of the audible signal determines an involuntary spontaneous reaction in the user, who instinctively tends to remove his/her from the electrical cooktop.
  • the virtual barrier can be of different types, according to the technology used: an optical barrier (by means of optoelectronic sensors, cameras, etc.) or, alternatively, a barrier obtained with infrared rays or ultrasounds.
  • the electrical cooktop (1) features an electronic device (2) capable of activating a virtual barrier (B) with length approximately equal to the front edge (1a) of the cooktop (1) when one of the hot plates is turned off.
  • the interruption of the virtual barrier (B) determines the automatic immediate activation of an audible (3) and visible (4) signaller.
  • the electronic device uses a microprocessor (not shown in the enclosed figures) interfaced with the presence sensors used to activate the virtual barrier, with a temperature sensor located in each plate of the cooktop and/or a timer and an audible and/or visible signaller.
  • the presence sensors that are used to activate the safety barrier remain in idle state, meaning that the safety barrier is not activated.
  • the microprocessor checks the temperature of that particular plate to ensure that no danger exists.
  • microprocessor determines that the temperature of the plate that has just been turned off is not dangerous, no further actions are taken.
  • the microprocessor sends the activation command for the safety virtual barrier to the presence sensors.
  • the barrier Once the barrier has been activated, its involuntary interference or interruption is interpreted by the microprocessor as an impulse for the immediate activation of the audible and/or visible signaller.
  • the microprocessor automatically deactivates the virtual barrier as soon as the temperature sensors of the plates or the timer confirm that the plate temperature has dropped under the levels that are considered dangerous for the cooktop users.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Electric Stoves And Ranges (AREA)
  • Cookers (AREA)
  • Baking, Grill, Roasting (AREA)
  • Table Devices Or Equipment (AREA)
  • Surface Treatment Of Glass (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP00830117A 1999-02-24 2000-02-18 Pyrokeramisches Kochfeld versehen mit Sichereitsstufe Expired - Lifetime EP1032245B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMC990007 1999-02-24
IT1999MC000007U IT248342Y1 (it) 1999-02-24 1999-02-24 Piano di cottura in vetroceramica con barriera protettivaantinfortunistica

Publications (3)

Publication Number Publication Date
EP1032245A2 true EP1032245A2 (de) 2000-08-30
EP1032245A3 EP1032245A3 (de) 2002-04-03
EP1032245B1 EP1032245B1 (de) 2003-12-03

Family

ID=11357629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00830117A Expired - Lifetime EP1032245B1 (de) 1999-02-24 2000-02-18 Pyrokeramisches Kochfeld versehen mit Sichereitsstufe

Country Status (5)

Country Link
EP (1) EP1032245B1 (de)
AT (1) ATE255804T1 (de)
DE (1) DE60006873T2 (de)
ES (1) ES2211495T3 (de)
IT (1) IT248342Y1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2325108A1 (es) * 2006-09-13 2009-08-25 Bsh Electrodomesticos España, S.A. Dispositivo de cocina.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816647A (en) * 1987-11-13 1989-03-28 General Electric Company Power control for appliance having a glass ceramic cooking surface
US5155338A (en) * 1990-02-19 1992-10-13 Societe Scholtes Control device for heating sources of cooking appratus
US5235159A (en) * 1988-03-25 1993-08-10 General Electric Company Control system, method of operating a heating apparatus and controlled heating apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816647A (en) * 1987-11-13 1989-03-28 General Electric Company Power control for appliance having a glass ceramic cooking surface
US5235159A (en) * 1988-03-25 1993-08-10 General Electric Company Control system, method of operating a heating apparatus and controlled heating apparatus
US5155338A (en) * 1990-02-19 1992-10-13 Societe Scholtes Control device for heating sources of cooking appratus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2325108A1 (es) * 2006-09-13 2009-08-25 Bsh Electrodomesticos España, S.A. Dispositivo de cocina.

Also Published As

Publication number Publication date
DE60006873T2 (de) 2004-10-14
EP1032245A3 (de) 2002-04-03
ATE255804T1 (de) 2003-12-15
DE60006873D1 (de) 2004-01-15
EP1032245B1 (de) 2003-12-03
ES2211495T3 (es) 2004-07-16
IT248342Y1 (it) 2003-01-28
ITMC990007U1 (it) 2000-08-24

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