EP4655529A1 - Control arrangement for cooking top - Google Patents

Control arrangement for cooking top

Info

Publication number
EP4655529A1
EP4655529A1 EP24701028.3A EP24701028A EP4655529A1 EP 4655529 A1 EP4655529 A1 EP 4655529A1 EP 24701028 A EP24701028 A EP 24701028A EP 4655529 A1 EP4655529 A1 EP 4655529A1
Authority
EP
European Patent Office
Prior art keywords
rotor
control arrangement
illumination
gas
rotor device
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.)
Pending
Application number
EP24701028.3A
Other languages
German (de)
French (fr)
Inventor
Emilio Placer Maruri
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP4655529A1 publication Critical patent/EP4655529A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Definitions

  • the present invention relates to a control arrangement for a gas cooking top.
  • the control arrangement has a rotor device and an ignition switch device.
  • the rotor device is rotatable around a rotation axis between a block position and a supply position, and it is movable along the rotation axis between an idle position and an activated position.
  • the present invention also relates to a gas valve arrangement for a gas cooking top.
  • the gas valve arrangement has a valve device having a piston device and said control arrangement, wherein the rotor device is coupled with the piston device to rotationally open and close the valve device.
  • the present invention also relates to a gas cooking top having said gas valve arrangement.
  • An illumination of the control arrangement helps a user in identifying an opening state of a gas valve, for example.
  • gas cooking tops and components thereof in some applications are required to have low manufacturing costs.
  • the control arrangement has at least a rotor device, an ignition switch device, and an illumination switch device.
  • the rotor device is rotatable around a rotation axis between a block position and a supply position.
  • the rotor device is movable along the rotation axis between an idle position and an activated position.
  • the rotor device has a radial eccentricity.
  • the ignition switch device is arranged to detect when the rotor device is in the activated position.
  • the ignition switch device is configured to supply electricity to a gas ignition device when it detects that the rotor device is in the activated position.
  • the illumination switch device is arranged to detect when the radial eccentricity is in the supply position.
  • the illumination switch device is configured to supply electricity to an illumination device when it detects that the rotor device is in the supply position. Since the two functions of switching an ignition device and switching an illumination device are realized by two separate switch devices, the arrangement is simple and easily mountable. Thus, the control arrangement is cost-efficient.
  • the block position may be configured to indicate a blocked gas supply to a user.
  • the supply position may be configured to indicate a gas supply flow to a user.
  • the idle position may be configured to indicate an idle state of an ignition device to a user.
  • the activated position may be configured to indicate an igniting by the ignition device to a user.
  • the ignition switch device and the illumination switch device may both be arranged on one frame part.
  • the switch devices can be precisely positioned relative to each other.
  • This frame part preferably is a printed circuit board to combine mechanical positioning with electronic connecting in one manufacturing step.
  • the ignition switch device and the illumination switch device may be arranged in parallel to each other. This arrangement eases mounting of the parts. Being arranged in parallel to each other preferably comprises being aligned in parallel to each other and/or being oriented in the same direction.
  • the ignition switch device and the illumination switch device may both be arranged at different radii relative to the rotation axis of the rotor device.
  • the ignition switch device is located closer to the rotation axis than the illumination switch device. This way, the switch devices can be positioned reliably.
  • the ignition switch device is arranged opposite to an axial front face of the rotor device for every supply position.
  • gas can be ignited in every rotational position of the rotor device.
  • a switch device usually has at least a detection function and a switch function.
  • the detection function triggers the switch function.
  • the switch function changes a conductance of the switch device.
  • the ignition switch device and the illumination switch device may both be of the same detector type for reduced complexity.
  • the ignition switch device and the illumination switch device may both be contact sensors, capacitive sensors, and/or magnetic sensors. These detector types reliably detect a presence or absence of a body or body part, such as the rotor device, the eccentricity of the rotor device, and/or a face of the rotor device, under kitchen conditions, where a liquid or the like might in enter into the control arrangement.
  • the illumination switch device preferably is configured to switch on an electricity supply, when the radial eccentricity being a projection is not detected.
  • the illumination switch device preferably is configured to switch on an electricity supply, when the radial eccentricity being an indentation is detected.
  • the ignition switch device preferably is configured to switch on and off an electricity supply, when an approach of the rotor device is detected. Of course, other switch types may be employed.
  • the radial eccentricity is a radial projection while the illumination switch device is arranged to block a movement of the rotor device from the idle position to the activated position when the rotor is in the block position.
  • the illumination switch device is arranged to block a movement of the rotor device from the idle position to the activated position when the rotor is in the block position.
  • the rotatability of the rotor device around the axial direction and the movability of the rotor device along the axial direction may be not coupled. That is, the rotor device can be rotated around the rotation axis without a translation along the rotation axis and vice versa.
  • This configuration allows for separately mounting and/or calibrating the switch devices, which accounts for a reduced mounting complexity.
  • the rotatability and the movability may be mutually independent.
  • the control arrangement has at least one illumination device that is connected in series to the illumination switch.
  • an integrated control and illumination arrangement can be provided, which can be handled as a single unit.
  • the control arrangement may comprise a shaft device that is configured to rotationally couple the rotor device to a valve arrangement in an actuating manner.
  • the rotor device and the shaft device can be separately constructed and procured, such that each is independently adaptable to its respective attachment part(s).
  • the rotor device may comprise a shaft section that is configured to rotationally couple a rotor section having the eccentricity to a valve arrangement in an actuating manner.
  • the control arrangement may have a spring device that preloads the rotor device from the activated position towards the idle position.
  • the spring device creates a defined default position of the rotor device along the rotation axis. This configuration may be referred to as an external preload and it has the advantage that a spring property of the spring device can be independently selected.
  • the object of the invention is also solved by a gas valve arrangement for a gas cooking top comprising a valve device and the above control arrangement.
  • the valve device has a piston device.
  • the rotor device is coupled with the piston device to rotationally open and close a gas passage of the valve device. Since this gas valve arrangement has the control arrangement, is embodies its features and advantages.
  • the gas valve arrangement is configured to control a gas supply to a burner of the cooking top.
  • the piston device may be rotatably actuatable, so that no separate transmission device is needed outside of the valve device between of the rotor device and the piston device.
  • the rotor device may be preloaded by a spring device of the valve device towards the idle position.
  • the spring device creates a defined default position of the rotor device along the rotation axis. This configuration may be referred to as an internal preload and it has the advantage that a spring can be used which is already present in some valve devices.
  • the object of the invention is also solved by a gas cooking top having the above gas valve arrangement, which is fluidically connected to a gas burner. Since this gas valve arrangement has the gas valve arrangement, is embodies its features and advantages. Further possible implementations or alternative solutions of the invention also encompass combinations - that are not explicitly mentioned herein - of features described above or below with regard to the embodiments. The person skilled in the art may also add individual or isolated aspects and features to the most basic form of the invention.
  • Fig. 1 schematically illustrates an arrangement concept of a control arrangement in a top view
  • Fig. 2 schematically shows the control arrangement in a front view in the direction of an arrow "A" of Fig. 1, and in a state, where a rotor device is rotated in a block position and is translated in an idle position;
  • Fig. 3 schematically shows the control arrangement in the front view in a state, where the rotor device is rotated in a supply position and is translated in the idle position;
  • Fig. 4 schematically shows the control arrangement in the front view in a state, where the rotor device is rotated in the supply position and is translated in an activated position.
  • the Figures show an embodiment of a gas valve arrangement 10 for a gas cooking top having a control arrangement 12 for controlling a gas flow through a valve device 14.
  • the gas valve arrangement 10 further has a handle 16 and a shaft device 18.
  • the shaft device 18 connects in a rotatory manner the handle 16 with a rotor device 20 of the control arrangement 12 and with a piston device (not shown) of the valve device 14. That is, the rotor device 20 has a rotation axis 22 that also forms a rotation axis of the handle 16.
  • the control arrangement 12 has the rotor device 20, an ignition switch device 24, and an illumination switch device 26.
  • a plurality of illumination devices 28 is integrated in the control arrangement 12.
  • the illumination devices 28 preferably are light emitting diodes.
  • the illumination devices 28 may be provided with the cooking top outside of the control arrangement 12.
  • a printed circuit board 30 also is part of the control arrangement 12.
  • the printed circuit board 30 acts as a frame that supports the ignition switch device 24, the illumination switch device 26 and the plurality of illumination devices 28.
  • the printed circuit board 30 electrically connects the switches 24 and 26 to an electric power source, and it electrically connects the illumination devices 28 with the illumination switch device 26.
  • the rotor device 20 has a circular main body 32 and a projection 34, that projects radially outward from the main body 32.
  • the projection 34 is thus an example of a radial eccentricity of the rotor device 20.
  • the rotor device 20 is rotatable around the rotation axis 22 between a block position and a supply position.
  • the block position of the rotor device 20 corresponds to a position of the piston, where the piston blocks a gas passage (not shown) within the valve device 14.
  • Figs. 1 and 2 show the rotor device 20 in the block position. In the block position, the projection 32 axially overlaps with the illumination switch device 26.
  • the supply position of the rotor device 20 corresponds to a position of the piston, where the piston allows a gas flow through the gas passage within the valve device 14.
  • Figs. 3 and 4 show the rotor device 20 in the supply position.
  • the projection 32 doesn't axially overlap with the illumination switch device 26.
  • the illumination switch device 26 has a proximity sensor, for example a capacitive sensor.
  • the illumination switch device 26 detects that the rotor device 20 including the projection 34 is in the block position.
  • the illumination switch device 26 detects that the rotor device 20 including the projection 34 is in the supply position.
  • the block position and the supply position are positing ranges.
  • the block position is between 20° to 50°, especially 35° wide.
  • the illumination switch device 26 detects that the rotor device 20 is in the supply position, it switches on an electric current to the illumination devices 28.
  • the rotor device 20 movable along the rotation axis 22 between an idle position and an activated position.
  • the rotor device is depicted in the idle position
  • Fig. 4 the rotor device is depicted in the activated position.
  • the idle position of the rotor device 20 corresponds to an idle state of an ignition device (not shown) that is arranged and configured to ignite a gas flow from the valve device 14 at a gas burner (not shown) fluidically connected to the valve device 14.
  • the activated position of the rotor device 20 corresponds to an activated state of the ignition device.
  • the ignition switch device 24 has a proximity sensor, for example a capacitive sensor.
  • a proximity sensor for example a capacitive sensor.
  • the ignition switch device 24 detects that the rotor device 20 is in the activated position.
  • the front face 36 is not close to the ignition switch device 24, the ignition switch device 24 detects that the rotor device 20 is in the idle position.
  • the ignition switch device 24 detects that the position of the rotor device 20 changes to the activated position, the ignition switch device 24 switches on an electric current to the ignition device.
  • the ignition switch device 24 switches on the electric current to the ignition device while the ignition switch device 24 detects that the rotor device 20 is in the activated position.
  • a travel of the rotor device 20 from the idle position to the activated position is up to 1 cm, especially 3 to 5 mm. This travel or translation is discriminable as a change by the proximity detector of the ignition switch device between the idle position and the activated position.
  • the control arrangement 12 further has an optional spring device 38, that preferably is interposed between the printed circuit board 30 and the rotor device 20.
  • the spring device 38 preloads the rotor device 20 away from the activated position towards the idle position.
  • the Figs. 2 to 4 depict an activation process for a user to activate the gas cooking top.
  • the rotor device 20 In the state of Fig. 2, the rotor device 20 is in the block position.
  • the illumination switch device 26 detects the rotor device 20 being in the block position and does not supply electricity to the illumination devices 28.
  • the piston device blocks a gas supply to the burner.
  • the rotor device 20 is in the idle position.
  • the ignition device 24 detects the rotor device not being in the activated position and does not supply electricity to the ignition device.
  • the ignition device does not perform an ignition action.
  • a user may turn the handle 16 from the block position to the supply position.
  • the illumination switch device 26 is arranged axially adjacent to the projection 34 while the rotor device 20 is in the block position, the user cannot translate the rotor device 20 from the idle position to the activated position.
  • the rotor device 20 In the state of Fig. 3, the rotor device 20 is in the supply position.
  • the illumination switch device 26 detects the rotor device 20 being in the supply position, i.e. being not in the block position, and supplies electricity to the illumination devices 28.
  • the illumination devices 28 are illuminating a transparent case 40 of the control arrangement 12.
  • the piston allows a combustion gas to flow to the burner.
  • the rotor device 20 is in the idle position.
  • the ignition device 24 detects the rotor device not being in the activated position and does not supply electricity to the ignition device.
  • the ignition device does not perform an ignition action.
  • a combustion gas is flowing from the burner, which is ignitable.
  • the user may press the handle 16 against the preload from the spring device 38 to ignite the combustion gas.
  • the rotor device 20 In the state of Fig. 4, the rotor device 20 is in the supply position.
  • the illumination devices 28 are illuminating the case 40.
  • the piston allows the gas flow.
  • the rotor device 20 is moved into the activated position.
  • the ignition switch device 24 detects the rotor device 20 being in the activated position and supplies electricity to the ignition device, which ignites the gas flowing from the burner.
  • the user may release the handle 16, such that the rotor device 20 is returned by the spring device 38 from the activated position to the idle position while remaining in the supply position. Then, the user can re-press the handle 16 such that the rotor device 20 is returned to the supply position und the activated position.
  • the ignition switch device 24 detects the front face 36 and supplies electricity to the ignition device, such that the gas flowing from the burner can be ignited.
  • the switch devices 24, 26 preferably are of the same type and mounted at different axial heights, which reduces complexity.
  • the switch devices 24, 26 are arranged in parallel facing towards the front face 36, which is easy to mount.
  • the switch devices 24, 26 and the illumination devices 28 are mounted to and connected via the same printed circuit board 30, which again is easy to mount.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

A control arrangement (12) for a gas cooking top comprising: a rotor device (20) having a radial eccentricity (34), and being rotatable around a rotation axis (22) between a block position and a supply position, and that is movable along the rotation axis (22) between an idle position and an activated position, and an ignition switch device (24), that is arranged to detect when the rotor device (20) is in the activated position, and that is configured to supply electricity to a gas ignition device when it detects that the rotor device (20) is in the activated position, wherein the control arrangement (12) further comprises an illumination switch device (26), that is arranged to detect when the radial eccentricity (34) is in the supply position, and that is configured to supply electricity to an illumination device (28) when it detects that the rotor device (20) is in the supply position.

Description

Control arrangement for cooking top
The present invention relates to a control arrangement for a gas cooking top. The control arrangement has a rotor device and an ignition switch device. The rotor device is rotatable around a rotation axis between a block position and a supply position, and it is movable along the rotation axis between an idle position and an activated position. The present invention also relates to a gas valve arrangement for a gas cooking top. The gas valve arrangement has a valve device having a piston device and said control arrangement, wherein the rotor device is coupled with the piston device to rotationally open and close the valve device. The present invention also relates to a gas cooking top having said gas valve arrangement.
An illumination of the control arrangement helps a user in identifying an opening state of a gas valve, for example. However, gas cooking tops and components thereof in some applications are required to have low manufacturing costs.
It is one object of the present invention to provide means for cost-efficiently illuminating an opening state of a gas valve.
Accordingly, a control arrangement for a cooking top is proposed. The control arrangement has at least a rotor device, an ignition switch device, and an illumination switch device. The rotor device is rotatable around a rotation axis between a block position and a supply position. The rotor device is movable along the rotation axis between an idle position and an activated position. The rotor device has a radial eccentricity. The ignition switch device is arranged to detect when the rotor device is in the activated position. The ignition switch device is configured to supply electricity to a gas ignition device when it detects that the rotor device is in the activated position. The illumination switch device is arranged to detect when the radial eccentricity is in the supply position. The illumination switch device is configured to supply electricity to an illumination device when it detects that the rotor device is in the supply position. Since the two functions of switching an ignition device and switching an illumination device are realized by two separate switch devices, the arrangement is simple and easily mountable. Thus, the control arrangement is cost-efficient.
The block position may be configured to indicate a blocked gas supply to a user. The supply position may be configured to indicate a gas supply flow to a user. The idle position may be configured to indicate an idle state of an ignition device to a user. The activated position may be configured to indicate an igniting by the ignition device to a user.
The ignition switch device and the illumination switch device may both be arranged on one frame part. Thus, the switch devices can be precisely positioned relative to each other. This frame part preferably is a printed circuit board to combine mechanical positioning with electronic connecting in one manufacturing step.
The ignition switch device and the illumination switch device may be arranged in parallel to each other. This arrangement eases mounting of the parts. Being arranged in parallel to each other preferably comprises being aligned in parallel to each other and/or being oriented in the same direction.
The ignition switch device and the illumination switch device may both be arranged at different radii relative to the rotation axis of the rotor device. Preferably, the ignition switch device is located closer to the rotation axis than the illumination switch device. This way, the switch devices can be positioned reliably.
Preferably, the ignition switch device is arranged opposite to an axial front face of the rotor device for every supply position. Thus, gas can be ignited in every rotational position of the rotor device.
A switch device usually has at least a detection function and a switch function. The detection function triggers the switch function. The switch function changes a conductance of the switch device.
The ignition switch device and the illumination switch device may both be of the same detector type for reduced complexity. Preferably, the ignition switch device and the illumination switch device may both be contact sensors, capacitive sensors, and/or magnetic sensors. These detector types reliably detect a presence or absence of a body or body part, such as the rotor device, the eccentricity of the rotor device, and/or a face of the rotor device, under kitchen conditions, where a liquid or the like might in enter into the control arrangement.
The illumination switch device preferably is configured to switch on an electricity supply, when the radial eccentricity being a projection is not detected. The illumination switch device preferably is configured to switch on an electricity supply, when the radial eccentricity being an indentation is detected. The ignition switch device preferably is configured to switch on and off an electricity supply, when an approach of the rotor device is detected. Of course, other switch types may be employed.
Preferably, the radial eccentricity is a radial projection while the illumination switch device is arranged to block a movement of the rotor device from the idle position to the activated position when the rotor is in the block position. Thus, a user can be prevented from a maloperation of triggering an ignition device before a stable gas flow is established at a location of the ignition device. Thus, this arrangement increases an operation safety of the control arrangement in an easily mountable configuration.
The rotatability of the rotor device around the axial direction and the movability of the rotor device along the axial direction may be not coupled. That is, the rotor device can be rotated around the rotation axis without a translation along the rotation axis and vice versa. This configuration allows for separately mounting and/or calibrating the switch devices, which accounts for a reduced mounting complexity. In other words, the rotatability and the movability may be mutually independent.
The control arrangement has at least one illumination device that is connected in series to the illumination switch. Thus, an integrated control and illumination arrangement can be provided, which can be handled as a single unit.
The control arrangement may comprise a shaft device that is configured to rotationally couple the rotor device to a valve arrangement in an actuating manner. Thus, the rotor device and the shaft device can be separately constructed and procured, such that each is independently adaptable to its respective attachment part(s).
The rotor device may comprise a shaft section that is configured to rotationally couple a rotor section having the eccentricity to a valve arrangement in an actuating manner. Thus, mounting costs can be reduced.
The control arrangement may have a spring device that preloads the rotor device from the activated position towards the idle position. The spring device creates a defined default position of the rotor device along the rotation axis. This configuration may be referred to as an external preload and it has the advantage that a spring property of the spring device can be independently selected.
The object of the invention is also solved by a gas valve arrangement for a gas cooking top comprising a valve device and the above control arrangement. The valve device has a piston device. The rotor device is coupled with the piston device to rotationally open and close a gas passage of the valve device. Since this gas valve arrangement has the control arrangement, is embodies its features and advantages. The gas valve arrangement is configured to control a gas supply to a burner of the cooking top.
The piston device may be rotatably actuatable, so that no separate transmission device is needed outside of the valve device between of the rotor device and the piston device.
In the gas valve arrangement, the rotor device may be preloaded by a spring device of the valve device towards the idle position. The spring device creates a defined default position of the rotor device along the rotation axis. This configuration may be referred to as an internal preload and it has the advantage that a spring can be used which is already present in some valve devices.
The object of the invention is also solved by a gas cooking top having the above gas valve arrangement, which is fluidically connected to a gas burner. Since this gas valve arrangement has the gas valve arrangement, is embodies its features and advantages. Further possible implementations or alternative solutions of the invention also encompass combinations - that are not explicitly mentioned herein - of features described above or below with regard to the embodiments. The person skilled in the art may also add individual or isolated aspects and features to the most basic form of the invention.
Further embodiments, features and advantages of the present invention will become apparent from the subsequent description and dependent claims, taken in conjunction with the accompanying drawings, in which:
Fig. 1 schematically illustrates an arrangement concept of a control arrangement in a top view;
Fig. 2 schematically shows the control arrangement in a front view in the direction of an arrow "A" of Fig. 1, and in a state, where a rotor device is rotated in a block position and is translated in an idle position;
Fig. 3 schematically shows the control arrangement in the front view in a state, where the rotor device is rotated in a supply position and is translated in the idle position; and
Fig. 4 schematically shows the control arrangement in the front view in a state, where the rotor device is rotated in the supply position and is translated in an activated position.
In the Figures, like reference numerals designate like or functionally equivalent elements, unless otherwise indicated.
The Figures show an embodiment of a gas valve arrangement 10 for a gas cooking top having a control arrangement 12 for controlling a gas flow through a valve device 14.
The gas valve arrangement 10 further has a handle 16 and a shaft device 18. The shaft device 18 connects in a rotatory manner the handle 16 with a rotor device 20 of the control arrangement 12 and with a piston device (not shown) of the valve device 14. That is, the rotor device 20 has a rotation axis 22 that also forms a rotation axis of the handle 16.
The control arrangement 12 has the rotor device 20, an ignition switch device 24, and an illumination switch device 26.
In the shown embodiment, a plurality of illumination devices 28 is integrated in the control arrangement 12. The illumination devices 28 preferably are light emitting diodes.
However, in alternative embodiment, the illumination devices 28 may be provided with the cooking top outside of the control arrangement 12.
A printed circuit board 30 also is part of the control arrangement 12. The printed circuit board 30 acts as a frame that supports the ignition switch device 24, the illumination switch device 26 and the plurality of illumination devices 28. In addition, the printed circuit board 30 electrically connects the switches 24 and 26 to an electric power source, and it electrically connects the illumination devices 28 with the illumination switch device 26.
The rotor device 20 has a circular main body 32 and a projection 34, that projects radially outward from the main body 32. The projection 34 is thus an example of a radial eccentricity of the rotor device 20.
The rotor device 20 is rotatable around the rotation axis 22 between a block position and a supply position.
The block position of the rotor device 20 corresponds to a position of the piston, where the piston blocks a gas passage (not shown) within the valve device 14. Figs. 1 and 2 show the rotor device 20 in the block position. In the block position, the projection 32 axially overlaps with the illumination switch device 26.
The supply position of the rotor device 20 corresponds to a position of the piston, where the piston allows a gas flow through the gas passage within the valve device 14. Figs. 3 and 4 show the rotor device 20 in the supply position. In the supply position, the projection 32 doesn't axially overlap with the illumination switch device 26. The illumination switch device 26 has a proximity sensor, for example a capacitive sensor. When the projection 32 axially overlaps with the illumination switch device 26, the illumination switch device 26 detects that the rotor device 20 including the projection 34 is in the block position. When the projection 32 doesn't axially overlap with the illumination switch device 26, the illumination switch device 26 detects that the rotor device 20 including the projection 34 is in the supply position. It is clear from this description that the block position and the supply position are positing ranges. In one preferred embodiment, the block position is between 20° to 50°, especially 35° wide. While the illumination switch device 26 detects that the rotor device 20 is in the supply position, it switches on an electric current to the illumination devices 28.
The rotor device 20 movable along the rotation axis 22 between an idle position and an activated position. In Figs. 2 and 3 the rotor device is depicted in the idle position, and in Fig. 4 the rotor device is depicted in the activated position.
The idle position of the rotor device 20 corresponds to an idle state of an ignition device (not shown) that is arranged and configured to ignite a gas flow from the valve device 14 at a gas burner (not shown) fluidically connected to the valve device 14. On the other hand, the activated position of the rotor device 20 corresponds to an activated state of the ignition device.
The ignition switch device 24 has a proximity sensor, for example a capacitive sensor. When a front face 36 of the rotor device 20, which is opposite to the ignition switch device 24, is brought close to the ignition switch device 24, the ignition switch device 24 detects that the rotor device 20 is in the activated position. When the front face 36 is not close to the ignition switch device 24, the ignition switch device 24 detects that the rotor device 20 is in the idle position. When the ignition switch device 24 detects that the position of the rotor device 20 changes to the activated position, the ignition switch device 24 switches on an electric current to the ignition device. However, in an alternative embodiment, the ignition switch device 24 switches on the electric current to the ignition device while the ignition switch device 24 detects that the rotor device 20 is in the activated position.
In a preferred embodiment, a travel of the rotor device 20 from the idle position to the activated position is up to 1 cm, especially 3 to 5 mm. This travel or translation is discriminable as a change by the proximity detector of the ignition switch device between the idle position and the activated position.
The control arrangement 12 further has an optional spring device 38, that preferably is interposed between the printed circuit board 30 and the rotor device 20. The spring device 38 preloads the rotor device 20 away from the activated position towards the idle position.
The Figs. 2 to 4 depict an activation process for a user to activate the gas cooking top.
In the state of Fig. 2, the rotor device 20 is in the block position. The illumination switch device 26 detects the rotor device 20 being in the block position and does not supply electricity to the illumination devices 28. The piston device blocks a gas supply to the burner.
Further, in the state of Fig. 2, the rotor device 20 is in the idle position. The ignition device 24 detects the rotor device not being in the activated position and does not supply electricity to the ignition device. The ignition device does not perform an ignition action.
Then a user may turn the handle 16 from the block position to the supply position. However, as the illumination switch device 26 is arranged axially adjacent to the projection 34 while the rotor device 20 is in the block position, the user cannot translate the rotor device 20 from the idle position to the activated position.
In the state of Fig. 3, the rotor device 20 is in the supply position. The illumination switch device 26 detects the rotor device 20 being in the supply position, i.e. being not in the block position, and supplies electricity to the illumination devices 28. The illumination devices 28 are illuminating a transparent case 40 of the control arrangement 12. The piston allows a combustion gas to flow to the burner.
Further, in the state of Fig. 3, the rotor device 20 is in the idle position. The ignition device 24 detects the rotor device not being in the activated position and does not supply electricity to the ignition device. The ignition device does not perform an ignition action. Thus, a combustion gas is flowing from the burner, which is ignitable. Then, when the rotor device is in the supply position, the user may press the handle 16 against the preload from the spring device 38 to ignite the combustion gas.
In the state of Fig. 4, the rotor device 20 is in the supply position. The illumination devices 28 are illuminating the case 40. The piston allows the gas flow.
Further, in the state of Fig. 4, the rotor device 20 is moved into the activated position. The ignition switch device 24 detects the rotor device 20 being in the activated position and supplies electricity to the ignition device, which ignites the gas flowing from the burner.
If there should be a failure of the ignition, the user may release the handle 16, such that the rotor device 20 is returned by the spring device 38 from the activated position to the idle position while remaining in the supply position. Then, the user can re-press the handle 16 such that the rotor device 20 is returned to the supply position und the activated position. The ignition switch device 24 detects the front face 36 and supplies electricity to the ignition device, such that the gas flowing from the burner can be ignited. Thus, it is beneficial that the rotatability of the rotor device 20 around the rotation axis 22 and the movability of the rotor device 20 along the rotation axis 22 are not coupled.
Manufacturing the control arrangement 12 of this embodiment is cost-efficient: The switch devices 24, 26 preferably are of the same type and mounted at different axial heights, which reduces complexity. The switch devices 24, 26 are arranged in parallel facing towards the front face 36, which is easy to mount. The switch devices 24, 26 and the illumination devices 28 are mounted to and connected via the same printed circuit board 30, which again is easy to mount.
Although the present invention has been described in accordance with preferred embodiments, it is obvious for the person skilled in the art that modifications are possible in all embodiments.
Reference Numerals:
10 gas valve arrangement
12 control arrangement 14 valve device
16 handle
18 shaft device
20 rotor device
22 rotation axis
24 ignition switch device
26 illumination switch device
28 illumination device
30 printed circuit board
32 main body
34 projection
36 front face
38 spring device
40 transparent case
A indicator of the view of Figs. 2-4

Claims

1. A control arrangement (12) for a gas cooking top comprising: a rotor device (20), that is rotatable around a rotation axis (22) between a block position and a supply position, and that is movable along the rotation axis (22) between an idle position and an activated position, and an ignition switch device (24), that is arranged to detect when the rotor device (20) is in the activated position, and that is configured to supply electricity to a gas ignition device when it detects that the rotor device (20) is in the activated position, characterized in that the rotor device (20) has a radial eccentricity (34), and the control arrangement (12) further comprises an illumination switch device (26), that is arranged to detect when the radial eccentricity (34) is in the supply position, and that is configured to supply electricity to an illumination device (28) when it detects that the rotor device (20) is in the supply position.
2. The control arrangement (12) according to claim 1, wherein the ignition switch device (24) and the illumination switch device (26) are both arranged on one frame part (30).
3. The control arrangement (12) according to any one of the preceding claims, wherein the ignition switch device (24) and the illumination switch device (26) are arranged in parallel.
4. The control arrangement (12) according to any one of the preceding claims, wherein the ignition switch device (24) and the illumination switch device (26) are both contact sensors, capacitive sensors, and/or magnetic sensors.
5. The control arrangement (12) according to any one of the preceding claims, wherein the radial eccentricity (34) is a radial projection, and wherein the illumination switch device (26) is arranged to block a movement of the rotor device (20) from the idle position to the activated position when the rotor device (20) is in the block position.
6. The control arrangement (12) according to any one of the preceding claims, wherein the rotatability of the rotor device (20) around the rotation axis (22) and the movability of the rotor device (20) along the rotation axis (22) are not coupled.
7. The control arrangement (12) according to any one of the preceding claims, wherein the control arrangement (12) has at least one illumination device (28) that is connected in series to the illumination switch device (26).
8. A gas valve arrangement (10) for a gas cooking top comprising: a valve device (14) having a piston device, and the control arrangement (12) according to any one of the preceding claims, wherein the rotor device (20) is coupled with the piston device to rotationally open and close a gas passage of the valve device (14).
9. The gas valve (14) arrangement according to claim 8, wherein the rotor device (20) is preloaded by a spring device of the valve device (14) towards the idle position.
10. A gas cooking top having the gas valve arrangement (14) according to any one of claims 8 to 9, which is fluidically connected to a gas burner.
EP24701028.3A 2023-01-24 2024-01-22 Control arrangement for cooking top Pending EP4655529A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23382056 2023-01-24
PCT/EP2024/051377 WO2024156641A1 (en) 2023-01-24 2024-01-22 Control arrangement for cooking top

Publications (1)

Publication Number Publication Date
EP4655529A1 true EP4655529A1 (en) 2025-12-03

Family

ID=85076326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24701028.3A Pending EP4655529A1 (en) 2023-01-24 2024-01-22 Control arrangement for cooking top

Country Status (2)

Country Link
EP (1) EP4655529A1 (en)
WO (1) WO2024156641A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20091012A1 (en) * 2009-12-21 2011-06-22 Illinois Tool Works IGNITION CONTROL CHAIN FOR GAS TAPS WITH OPTICAL INDICATION OF ADVANTAGE GAS TAP OPENING, FOR COOKING APPLIANCES
US11486574B2 (en) * 2020-12-04 2022-11-01 Midea Group Co., Ltd. Gas cooking appliance with ignition position indicator

Also Published As

Publication number Publication date
WO2024156641A1 (en) 2024-08-02

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