ES2178577B1 - CONTAINER SENSOR ON A KITCHEN PLATE, WITH A LOW FREQUENCY MEASUREMENT CIRCUIT. - Google Patents
CONTAINER SENSOR ON A KITCHEN PLATE, WITH A LOW FREQUENCY MEASUREMENT CIRCUIT.Info
- Publication number
- ES2178577B1 ES2178577B1 ES200002818A ES200002818A ES2178577B1 ES 2178577 B1 ES2178577 B1 ES 2178577B1 ES 200002818 A ES200002818 A ES 200002818A ES 200002818 A ES200002818 A ES 200002818A ES 2178577 B1 ES2178577 B1 ES 2178577B1
- Authority
- ES
- Spain
- Prior art keywords
- circuit
- low frequency
- frequency measurement
- measurement circuit
- sensor
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Electronic Switches (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
"Sensor de recipiente en una placa de cocina, con un circuito de medición a baja frecuencia". El circuito (1) sensor detecta en una placa eléctrica de cocina la presencia de un recipiente (2) en cada foco (F1-F4) de caldeo, y comprende un microcontrolador (4) y un generador (6,7) que suministran una corriente (Ig) de alta frecuencia a una respectiva espira sensora (E1-E4) y un campo magnético, y dos señales (Vr0,Vr1) de referencia máxima y mínima para todos los focos (F1-F4) obtenidas en la condición de temperatura de trabajo, y un circuito (9-13) de medición y evaluación del voltaje (Vs) producido en cada espira sensora, y un circuito (11,11'') para la demodulación en baja frecuencia dichas señales (Vs,Vr0,Vr1), y su amplificación diferencial (Vm,Vrr)."Container sensor on a cooktop, with a low frequency measurement circuit". The sensor circuit (1) detects in a kitchen electric plate the presence of a container (2) in each heat source (F1-F4), and comprises a microcontroller (4) and a generator (6,7) that supply a high frequency current (Ig) to a respective sensor loop (E1-E4) and a magnetic field, and two signals (Vr0, Vr1) of maximum and minimum reference for all the foci (F1-F4) obtained in the temperature condition of work, and a circuit (9-13) for measuring and evaluating the voltage (Vs) produced in each sensor loop, and a circuit (11.11 '') for low-frequency demodulation of said signals (Vs, Vr0, Vr1 ), and its differential amplification (Vm, Vrr).
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01500048T ATE324766T1 (en) | 2000-03-24 | 2001-02-26 | SENSOR DEVICE FOR DETECTING THE PRESENCE OF A POT ON AN ELECTRIC COOKING PLATE |
DE60119016T DE60119016T2 (en) | 2000-03-24 | 2001-02-26 | Sensor device for detecting the presence of a pot on an electric hotplate |
ES01500048T ES2259017T3 (en) | 2000-03-24 | 2001-02-26 | CONTAINER SENSOR CIRCUIT IN A KITCHEN ELECTRIC PLATE. |
EP01500048A EP1137323B1 (en) | 2000-03-24 | 2001-02-26 | Sensor circuit for detecting the presence of a pan on an electric cooking hob |
US09/798,839 US6348677B2 (en) | 2000-03-24 | 2001-03-01 | Sensor circuit for detecting the presence of a pan on an electric cooker hob |
CA 2357567 CA2357567A1 (en) | 2000-11-24 | 2001-09-21 | Sensor circuit for detecting the presence of a pan on an electric cooker hob |
PL349827A PL203580B1 (en) | 2000-11-24 | 2001-09-24 | Sensor system for detecting a metal saucepan, for the hotplate of an electric cooker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200000717A ES2164595B1 (en) | 2000-03-24 | 2000-03-24 | CIRCUIT FOR THE DETECTION OF CONTAINER IN A KITCHEN PLATE. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2178577A1 ES2178577A1 (en) | 2002-12-16 |
ES2178577B1 true ES2178577B1 (en) | 2003-09-16 |
Family
ID=8492844
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200000717A Expired - Fee Related ES2164595B1 (en) | 2000-03-24 | 2000-03-24 | CIRCUIT FOR THE DETECTION OF CONTAINER IN A KITCHEN PLATE. |
ES200002818A Expired - Fee Related ES2178577B1 (en) | 2000-03-24 | 2000-11-24 | CONTAINER SENSOR ON A KITCHEN PLATE, WITH A LOW FREQUENCY MEASUREMENT CIRCUIT. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200000717A Expired - Fee Related ES2164595B1 (en) | 2000-03-24 | 2000-03-24 | CIRCUIT FOR THE DETECTION OF CONTAINER IN A KITCHEN PLATE. |
Country Status (1)
Country | Link |
---|---|
ES (2) | ES2164595B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2618351B1 (en) | 2015-12-18 | 2018-04-06 | Bsh Electrodomésticos España, S.A. | Cooking Field Device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3711589A1 (en) * | 1987-04-06 | 1988-10-27 | Kueppersbusch | Cooking appliance |
IT1243760B (en) * | 1989-11-17 | 1994-06-23 | Eurodomestici Ind Riunite | DEVICE SUITABLE TO DETECT THE PRESENCE IN A COOKING CONTAINER FOR FOOD PLACED ON A COOKING HOB, FOR EXAMPLE IN CERAMIC GLASS. |
IT1260456B (en) * | 1992-01-28 | 1996-04-09 | Whirlpool Italia | METHOD AND DEVICE TO DETECT A POT ON A GLASS-CERAMIC HOB IN THE PRESENCE OF A BODY IN CORRESPONDENCE WITH A HEATING ELEMENT ASSOCIATED WITH THAT PLAN |
EP0620698A1 (en) * | 1993-04-13 | 1994-10-19 | Whirlpool Europe B.V. | Device for detecting the presence of a food container, such as a saucepan, dish or the like, on a glass ceramic cooking hob |
GB2320626B (en) * | 1996-12-19 | 2000-10-18 | Ceramaspeed Ltd | Cooking utensil detection method |
DE19700753C2 (en) * | 1997-01-11 | 2000-09-14 | Schott Glas | Hob with a non-metallic hotplate |
US6184501B1 (en) * | 1999-09-23 | 2001-02-06 | Cherry Gmbh | Object detection system |
-
2000
- 2000-03-24 ES ES200000717A patent/ES2164595B1/en not_active Expired - Fee Related
- 2000-11-24 ES ES200002818A patent/ES2178577B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2178577A1 (en) | 2002-12-16 |
ES2164595B1 (en) | 2003-04-01 |
ES2164595A1 (en) | 2002-02-16 |
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Legal Events
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Date of ref document: 20021216 Kind code of ref document: A1 |
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