A control device for gas appliances comprises: a manual-control element (12, 22);a circuit arrangement that includes control elements, electrical-interconnection elements, detection elements configured for detecting actuation of the manual-control element (12, 22) and supplying corresponding signals
A control device for gas appliances comprises: a manual-control element (12, 22);a circuit arrangement that includes control elements, electrical-interconnection elements, detection elements configured for detecting actuation of the manual-control element (12, 22) and supplying corresponding signals to the control elements; anda supporting structure that can be associated in a stationary way with respect to a gas tap (10), wherein the supporting structure includes a first part of stationary structure (21) that defines a housing for at least part of the circuit arrangement, the first part of structure being in particular designed for being housed within a body (3) of the gas appliance. The control elements are designed for counting the time, the circuit arrangement includes display elements (D′), and the supporting structure includes a second part of stationary structure (43, 44) associated to or projecting from the first part of structure (21) and configured for supporting the display elements (D) in a fixed or not angularly rotatable position, where in particular, in an installed condition of the device (20), the second part of structure (43, 44) projects on the outside of the body (2, 3) of the gas appliance (1).
대표청구항▼
1. A gas appliance control device, in particular for appliances that comprise at least one gas tap having a safety valve that includes an electromagnet that can be supplied via a thermo-electric generator, the control device comprising: manual-control means; andcircuit arrangement that includes: con
1. A gas appliance control device, in particular for appliances that comprise at least one gas tap having a safety valve that includes an electromagnet that can be supplied via a thermo-electric generator, the control device comprising: manual-control means; andcircuit arrangement that includes: control means;electrical-interconnection means;detection means, configured for detecting actuation of the manual-control means and supplying corresponding signals to the control means; anda supporting structure, which can be associated in a stationary way with respect to a gas tap, wherein the supporting structure includes a first part of stationary structure that defines a housing for at least part of the circuit arrangement, the first part of structure being in particular designed for being housed within a body of the gas appliance,wherein the control means are designed for counting the time and the circuit arrangement includes display means,said device being characterized in that the supporting structure includes a second part of stationary structure associated to or projecting from the first part of stationary structure and configured for housing or supporting the display means in a fixed or not angularly rotatable position, where in particular, in an installed condition of the device, the second part of structure projects on the outside of the body of the gas appliance. 2. The device according to claim 1, wherein: the manual-control means comprise first control means, that can be actuated by a user for setting a time interval;the detection means comprise first detection means, configured for detecting actuation of the first control means;the interconnection means comprise first electrical-connection means, configured for connection to an electromagnet of a safety valve, and second electrical-connection means, configured for connection to a thermo-electric generator;and wherein the control means are configured for modifying the state of an electrical connection between the first electrical-connection means and the second electrical-connection means upon expiry of the aforesaid time interval. 3. The device according to claim 1, wherein the manual-control means comprise second control means configured for mechanical connection to a control rod of the gas tap, the second control means including a knob defining a cavity, housed at least partially in which is at least one of the second part of structure and the display means, the knob being angularly rotatable with respect to the second part of structure and to the display means and preferably having a front opening or window, and wherein the detection means comprise second detection means, configured for detecting actuation of the second control means. 4. The device according to claim 3, wherein the second control means comprise a motion-transmission member for mechanical connection of the knob to said rod, the motion-transmission member including first coupling means, for coupling with said rod, and second coupling means, for coupling with respective coupling means of the knob, the motion-transmission member preferably including also third coupling means for coupling with respective coupling means of the second part of structure. 5. The device according to claim 1, wherein the control means are configured for controlling the display means for indicating at least one from among: a residual time, i.e., a time remaining until expiry of said time interval;a progressive time, i.e., a total time elapsed starting from ignition of a flame; anda condition of ignition/quenching of a flame;where in particular, the display means comprise character-display means. 6. The device according to claim 1, wherein the second part of structure supports or houses at least part of the circuit arrangement, in particular at least one of electrical-connection means of the display means, a circuit board of the circuit arrangement, and at least part of the detection means for detecting a movement of the manual-control means. 7. The device according to claim 2, wherein the first control means include a member movable in opposite directions, in particular countering elastic means that are operative for urging the movable member into a predefined position. 8. The device according to claim 2, wherein the first control means include a ring nut member operable angularly in opposite directions, countering elastic means that are operative for urging the ring nut member into a predefined intermediate angular position, in an installed condition of the device the ring nut member and a knob coupled to the gas tap being substantially coaxial and the second part of structure having at least one respective stretch passing through an axial cavity of the ring nut member. 9. The device according to claim 8, wherein the ring nut member comprises a first part associated in a stationary way to the supporting structure, a second part associated in a movable way to the first part, and elastic means operatively set between the first part and the second part, where in particular the first part has two generally opposite end regions, the second part defines two generally opposite contrast elements, and the elastic means comprise a first elastic means operatively set between one said end region and one said contrast element, and a second elastic means operatively set between the other said end region and the other said contrast element. 10. The device according to claim 7, wherein the first detection means comprise a first sensor means for detecting a rotation in a first direction of the movable or ring nut member with respect to said predefined position and a second sensor means for detecting a rotation in a second direction of the movable or ring nut member with respect to said predefined position, where in particular the movable or ring nut member has associated thereto at least one excitation element that is able to exciting the first sensor means and the second sensor means following upon a rotation of the movable or ring nut member in the first direction and in the second direction, respectively, the sensor means being preferably contactless sensors, very preferably magnetic-field sensor means. 11. The device according to claim 3, wherein the second detection means are prearranged for detecting an axial movement of the knob and are in particular contactless detection means. 12. The device according to claim 11, wherein the second detection means comprise a sensor means in a stationary position and a corresponding excitation element constrained for translating in a generally axial direction of the second part of structure, the excitation element being mechanically connected to the knob, in particular at least by way of said motion-transmission element. 13. The device according to claim 12, wherein the second part of structure comprises a guide for constraining the translation of the excitation element in said generally axial direction of the second part of structure. 14. The device according to claim 11, wherein the second detection means comprise a slider element, associated to which is an excitation element, the slider element being preferably slidably engaged in a guide and constrained to the motion-transmission member, in particular with a coupling that is designed to transfer an axial movement of the motion-transmission member to the slider element enabling at the same time rotation of the motion-transmission member with respect to the slider element. 15. The device according to claim 1, wherein the second part of structure defines an axial seat or cavity, housed within which is at least part of the circuit arrangement. 16. The device according to claim 1, wherein the first part of structure defines at least part of a passage or seat, in which there may be received a corresponding part of the gas tap. 17. The device according to claim 1, wherein the second part of structure: is configured for supporting the display means in a position generally set facing and/or coaxial to a passage of the first part of structure, in which there may be received a corresponding part of the tap and/or in a position at a distance from said passage; and/orthe second part of structure comprises at least one from among: a supporting wall for the display means, which is preferably generally parallel to a front of the first part of structure,a connection wall that extends between the first part of structure and a supporting wall for the display means,a supporting wall for the display means that is substantially set in cantilever fashion with respect to a connection wall that starts from the first part of structure. 18. A gas appliance, in particular a household appliance, comprising a control device according to claim 1, wherein the appliance comprises at least one gas tap for control of the gas supply to a burner, the appliance having a body, partially housed within which is the gas tap, the body having at least one passage at the gas tap, wherein the first part of structure of the control device is housed within the body, with the second part of structure that projects on the outside of the body through the aforesaid passage, where in particular the second part of structure:traverses and/or is at least in part housed within the aforesaid passage;extends at least in part coaxial and/or parallel to a control shaft of the gas tap; andcomprises a first axial portion that traverses the aforesaid passage and a second portion set in cantilever fashion.
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이 특허에 인용된 특허 (8)
Oberhomburg, Martin; Placer Maruri, Emilio, Control arrangement for a gas stove.
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