EP3580495A1 - Tap for controlling a gas burner and an electric device - Google Patents
Tap for controlling a gas burner and an electric deviceInfo
- Publication number
- EP3580495A1 EP3580495A1 EP18707975.1A EP18707975A EP3580495A1 EP 3580495 A1 EP3580495 A1 EP 3580495A1 EP 18707975 A EP18707975 A EP 18707975A EP 3580495 A1 EP3580495 A1 EP 3580495A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switches
- tap according
- tap
- rotating element
- electric
- 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
Links
- 230000004913 activation Effects 0.000 claims abstract description 20
- 230000001276 controlling effect Effects 0.000 claims abstract description 12
- 230000002596 correlated effect Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims description 28
- 230000000875 corresponding effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 description 5
- 230000003213 activating effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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
- F24C3/124—Control panels
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/0206—Combined operation of electric switch and of fluid control device
-
- 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
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/62—Contacts actuated by radial cams
Definitions
- the present invention relates to an improved tap, in particular for controlling both a gas burner and an electric or electronic apparatus.
- Gas taps to be mounted on built-in cooktops or on free standing cookers, for controlling gas burners, which are also mounted on these apparatuses, are known.
- the tap is provided for the tap to be associated with a switch, preferably a microswitch, which according to the angular position of the control knob of the tap itself, acts on the power supply of the capture hood to activate and deactivate it.
- a switch preferably a microswitch, which according to the angular position of the control knob of the tap itself, acts on the power supply of the capture hood to activate and deactivate it.
- a drawback of this known solution consists of the fact of it only allowing the capture hood to be activated or deactivated by means of controlling the gas tap, moreover without being able to correlate the suction power with the amount of gas dispensed in any manner, and therefore with the actual thermal input dispensed by the burner controlled by that tap.
- this known solution allows only two conditions (ON-OFF) of the electric/electronic apparatus operatively associated with the tap itself to be controlled and defined by means of the gas tap; in particular, such a solution allows only the activation (and therefore to have a single activation status/level) of the electric/electronic apparatus to be controlled, without however also being able to control the level/status of said activation.
- WO2008/002863 describes a solution which comprises a housing for containing a plurality of switches, positioned at different heights, and a rotor which is provided with a plurality of cams at different heights, so that each cam cooperates with one of said switches alone.
- This solution is particularly complicated to make from a construction viewpoint because it requires making seats for the switches at different heights on said housing, as well as requires the rotor to have several cams. Furthermore, in this solution, the two switches necessarily are to be installed in diametrically opposite positions and facing each other. Not lastly is the fact that this solution is configured so that each switch controls the activation-deactivation status of a corresponding electric/electronic apparatus; in essence, the two switches cooperating with the rotor act on two different electric/electronic apparatuses, thus always and only controlling the respective deactivation or activation thereof.
- a tap for controlling a gas burner and an electric/electronic apparatus as defined in claim 1 , as well as with an installation as defined in claim 31 .
- figure 1 diagrammatically shows an installation of a tap which simultaneously controls the gas which feeds a burner installed in a cooktop and a capture hood mounted over the cooktop
- figure 2 shows a perspective view of a tap according to the invention
- figure 3 shows a side view of it
- figure 4 shows it according to the section IV-IV in figure 7,
- figure 5 shows it according to the section V-V in figure 7,
- figure 6 shows it according to the section VI-VI in figure 7,
- figure 7 shows a plan view of it, in closed condition of the gas flow with the knob in position 0°
- figure 8 shows a plan view of it, with the knob in position between 75° and
- figure 9 shows a plan view of it, with the knob in position between 135° and
- figure 10 shows the wiring diagram of the circuit assembly controlled by the two switches associated with the tap.
- the gas tap 1 is configured to simultaneously control, by means of the rotation of a same knob 24, both a gas burner 14 and an electric/electronic apparatus, which preferably is operatively associated with said burner 14 and/or with the cooktop in which said burner is intended to be installed.
- tap 1 similarly to traditional gas taps, tap 1 comprises a body 2 internally provided with a cavity for housing a traditional rotating shutter 4 and conveniently also a traditional safety valve 6.
- Shutter 4 preferably has a truncated-conical shape and is accommodated in a corresponding cavity 16, preferably it also truncated-conical, which is made in body 2.
- body 2 is also involved by two openings 8, 8', one 8 of which for the connection with a feed duct 10 of the fuel gas from the network and the other 8' for the connection with a feed duct 12 of a burner 14.
- channels 18, 18' are obtained in a traditional manner in body 2, the channels putting cavity 16 for accommodating shutter 4 in communication with the two openings 8, 8'.
- shutter 4 is involved by a channel 20 in a traditional manner, which channel variously and selectively puts the two channels 18, 18' into communication with each other according to its angular position with respect to its seat 16.
- Shutter 4 is restrained to a cylindrical rod 22 which controls the rotation thereof.
- rod 22 preferably is coupled to an extension 23 thereof which exits from body 2 of the tap and is configured to be coupled to a traditional operating knob 24 of the tap according to the invention.
- this extension 23 is axially movable with respect to rod 22, but it is rotationally restrained with respect thereto.
- knob 24 may be operated both in axial movement to induce the ignition of burner 14, and in rotation to modulate the amount of gas feeding burner 14 and therefore, to regulate the circle(s) of flames generated thereby.
- the rotating element 26 is mounted in an integral manner on the extension 23 of rod 22.
- the rotating element 26 has, in plan view, a profile with a side portion 30 which is shaped or protruding with respect to the remaining side portion of the rotating element itself.
- the rotating element 26 has a single portion 30 which is shaped and/or laterally protrudes.
- the rotating element 26 overall has discoidal shape and in greater detail, has an upper surface, a lower surface and an overall cylindrical lateral surface, but involved by said shaped and/or protruding portion 30.
- a shaped and/or protruding portion 30 extends for a certain angular range related to the shape of shutter 4 and more specifically, related to the path and the position of the channels 18, 18' made in body 2 of the tap, as well as to the shape of channel 20 made in shutter 4.
- At least two switches 42, 44 - preferably two microswitches - which are configured and/or positioned at such a height whereby the respective operating buttons 46, 48 may interact - preferably coming into contact with a certain pressure - with the outer surface of the same shaped and/or protruding portion 30 of the rotating element 26.
- the respective operating buttons 46, 48 of the switches 42, 44 are positioned so as to be activated by the shaped and/or protruding portion 30 of the rotating element 26, but not by the remaining portion of the element itself not involved by that protruding portion.
- the two switches 42, 44 are arranged about the rotating element 26 so that the respective operating buttons 46, 48 are activated in sequence individually and/or simultaneously, but always by the same shaped and/or protruding portion 30 of element 26.
- This is particularly advantageous because it is sufficient for the rotating element 26 to have a single shaped and/or protruding portion 30, thus simplifying the process for making it.
- the respective operating buttons 46, 48 of the two switches 42, 44 are positioned at an angular distance which is less than the angular extension of the shaped and/or protruding portion 30 of the rotating element 26.
- the position of the two switches 42, 44 on body 2 of the tap and both the radial and angular extension of the shaped and/or protruding portion 30 of the rotating element 26 are predefined so that as the angular position of knob 24, and therefore of the rotating element 26, varies, there is or not both the activation of one or both the switches 42, 44 so as in addition to giving rise to a deactivated and resting condition (corresponding to the OFF status of both said switches), it gives rise to at least three operating conditions (defined by the ON status of the first switch 42 alone, by the ON status of both switches, and by the ON status of the second switch 44 alone, respectively) corresponding to different controls, and therefore to at least three separate activation statuses/levels of the electric or electronic apparatus 50 which preferably operatively is associated with
- tap 1 there are provided in tap 1 according to the invention, two or more switches 42, 44 and a rotating element 26, which are arranged and configured so that the switches themselves provide three or more activation output signals - which are conveniently different from one another - for the same apparatus 50 according to the activated or deactivated condition of each of said switches, which is correlated with the angular position of said knob 24.
- the switches 42, 44 provide a number of activation output signals for the electric/electronic apparatus 50, which is greater than the number of switches.
- a further switch 32 (preferably a microswitch), which operating button 34 is below the lower surface of the element itself, which thereby may operate it following the axial movement of rod 22 induced by an axial pressure on knob 24.
- the two terminals 36, 38 of said further switch 32 are connected to the circuit of an ignition spark igniter 40 associated with burner 14 so that each time knob 24 is axially pushed, thus activating switch 32, the spark igniter 40 triggers the spark which ignites burner 14.
- burner 14 is ignited only if it is fed with gas and this occurs following the rotation of knob 24 which induces a corresponding rotation of shutter 4 so as to put the channels 18 and 18' into communication with each other.
- the electric/electronic apparatus preferably is a hood 50, but may also consist of any other electric/electronic device, such as for example a series of lights with different colors, a liquid crystal display (LCD) or other.
- a hood 50 but may also consist of any other electric/electronic device, such as for example a series of lights with different colors, a liquid crystal display (LCD) or other.
- LCD liquid crystal display
- the terminals 52, 54 and 56, 58 of the two switches 42, 44 conveniently are connected to the electric circuit for powering hood 50 so that according to the angular position of knob 24, and therefore of the rotating element 26, this is powered in a different manner.
- the two switches 42, 44 for controlling hood 50 which switches are controlled by the shaped and/or protruding portion 30 of the rotating element 26.
- the invention provides for more than two switches to be applied to body 2 of the tap, in which in any case the respective activation buttons are always substantially coplanar to each other, and for these to interact, and therefore to be controlled, also by several protruding and/or shaped portions made in the rotating element 26.
- the invention advantageously provides for the two switches 42, 44 to be inserted in a control circuit of an electronic board 60 for controlling hood 50 or also of another electric/electronic apparatus associated with the gas tap so that this board 60 can process the output controls of the switches 42, 44 to generate a control signal having shape related to specific needs.
- connection between the switches 42, 44 and hood 50 or other electric/electronic apparatus is provided via wire, but the invention also provides for it to be of wireless type and different in nature, for example via Bluetooth or Wi-Fi, or with other protocol.
- hood 50 or other electric/electronic apparatus, to be powered with three possible different voltages, preferably generated by the electronic board 60 powered by three separate signals Vi, V2 and V3 through change-over contacts 62', 64' of two relays 62, 64.
- the two switches 42, 44 are each provided with two pairs of change-over contacts 42', 44' and 42", 44".
- the contacts 42', 44' are inserted in the power supply circuits of the two relays 62, 64, contacts which like contacts 42" , 44" , are depicted in inactive (resting) condition in fig. 1 0.
- hood 50 is ready to operate as soon as the tap according to the invention is operated to feed burner 14 associated therewith.
- Igniting the burner first provides an axial pressure on knob 24, which with the rotating element 26, activates switch 32 for powering the spark igniter 40 to cause it to trigger a sequence of sparks between the electrode thereof and burner 14 so that as soon as the tap is caused to rotate and controls the dispensing of the gas, the fuel m ixture ignites and generates a circle of flames.
- knob 24 So long as knob 24 has not performed a rotation of about 75°, neither of the two switches 42, 44 is activated, and therefore hood 50 remains inactive.
- the protruding portion 30 of the rotating element 26 activates the first switch 42, but it is still not capable of activating the second switch 44.
- the tap provides burner 14 with the maximum amount of gas while the switching of switch 42 activates relay 62 through contact 42' (operating); the activation of relay 62 in turn provides the electronic board 60, through contact 42" (working) and contact 64' (resting), with a signal Vi , which causes the board itself to generate the supply voltage of hood 50 at the maximum suction power.
- the tap provides the burner with a decreasing amount of gas from the maximum value to an average value.
- the rotating element 26 also activates the second switch 44, which thus activates relay 64 through contact 44' (working); the activation of the second relay 64 in turn provides the electronic board 60, through contact 42" (working) and 64' (resting), with a voltage signal V2, which causes the board itself to generate the supply voltage of hood 50 at the average suction power.
- the tap provides the burner with the minimum amount of gas and the same rotation of the knob brings the shaped and/or protruding portion 30 of the rotating element 26 to deactivate the first switch 42 but to keep activated the second switch 44.
- relay 64 alone is activated, which provides the electronic board 60, through contact 44" (working) and contact 62' (resting), with a signal V3, which causes the board itself to generate the supply voltage of hood 50 at the minimum suction power.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102017000014479A IT201700014479A1 (en) | 2017-02-09 | 2017-02-09 | GAS TAP WITH ELECTRIC APPLIANCE CONTROL DEVICE |
PCT/IB2018/050773 WO2018146607A1 (en) | 2017-02-09 | 2018-02-08 | Tap for controlling a gas burner and an electric device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3580495A1 true EP3580495A1 (en) | 2019-12-18 |
EP3580495B1 EP3580495B1 (en) | 2021-04-28 |
Family
ID=59297201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18707975.1A Active EP3580495B1 (en) | 2017-02-09 | 2018-02-08 | Tap for controlling a gas burner and an electric device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3580495B1 (en) |
ES (1) | ES2881639T3 (en) |
IT (1) | IT201700014479A1 (en) |
WO (1) | WO2018146607A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN211119552U (en) * | 2019-01-14 | 2020-07-28 | 宁波方太厨具有限公司 | Fume exhaust fan |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6843243B2 (en) * | 2002-10-11 | 2005-01-18 | General Electric Company | Motorized gas lockout valve for gas range |
US8173924B2 (en) * | 2006-06-26 | 2012-05-08 | Illinois Tool Works Inc. | Dual function switch assembly |
ITTV20060032U1 (en) * | 2006-08-01 | 2008-02-02 | Syen S R L | DEVICE FOR GAS OR ELECTRIC COOKING PLATES. |
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 |
-
2017
- 2017-02-09 IT IT102017000014479A patent/IT201700014479A1/en unknown
-
2018
- 2018-02-08 ES ES18707975T patent/ES2881639T3/en active Active
- 2018-02-08 WO PCT/IB2018/050773 patent/WO2018146607A1/en active Search and Examination
- 2018-02-08 EP EP18707975.1A patent/EP3580495B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3580495B1 (en) | 2021-04-28 |
IT201700014479A1 (en) | 2018-08-09 |
ES2881639T3 (en) | 2021-11-30 |
WO2018146607A1 (en) | 2018-08-16 |
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