WO2021066762A1 - Allumeur pour cuisinière à gaz - Google Patents

Allumeur pour cuisinière à gaz Download PDF

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Publication number
WO2021066762A1
WO2021066762A1 PCT/TR2019/050825 TR2019050825W WO2021066762A1 WO 2021066762 A1 WO2021066762 A1 WO 2021066762A1 TR 2019050825 W TR2019050825 W TR 2019050825W WO 2021066762 A1 WO2021066762 A1 WO 2021066762A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
inner coil
frame
igniter according
outer frame
Prior art date
Application number
PCT/TR2019/050825
Other languages
English (en)
Inventor
Ali Erkan MAMUR
Original Assignee
Ferel Elektronik San. Ve Tic. A.S.
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 Ferel Elektronik San. Ve Tic. A.S. filed Critical Ferel Elektronik San. Ve Tic. A.S.
Priority to PCT/TR2019/050825 priority Critical patent/WO2021066762A1/fr
Priority to EP19947745.6A priority patent/EP4018128A4/fr
Publication of WO2021066762A1 publication Critical patent/WO2021066762A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q3/00—Igniters using electrically-produced sparks

Definitions

  • the present invention relates to igniter assemblies that generate spark in gas cookers to cause the gas-air mixture to ignite, in particular a lighter assembly that provides a high-voltage pulse to the igniter.
  • the gas-air mixture supplied by the burner is ignited with the help of an igniter containing a spark plug and flame is obtained.
  • the lighter converts the electricity from the mains to high voltage with the primary and secondary coil winding in its transformer and thus provides a pulse that causes the spark plug to spark.
  • the transformer is mounted to the gas cooker in an electrically insulated casing.
  • EP1469255 discloses an igniter for generating sparks at one or more burners of a gas cooker.
  • the lighter has a predetermined output terminal with a primary winding and secondary winding divided into a number of coils.
  • the coils are essentially in cylindrical symmetrical tubular form and are wound at their axially adjacent parts to an electrically insulated drum.
  • the vertically extending support members of the one-piece drum made of electrically insulating material support the corresponding terminals.
  • the coils are electrically connected to each other and are obtained without cutting in a single winding of an insulated electrically conducting wire.
  • the object of the invention is to facilitate the fixing of the coil in the igniter transformer for gas cooking appliances.
  • the invention includes an igniter for a gas cooker comprising a core of magnetic material in rod form; a primary winding extending from a connection end connected to the mains, having a first inner coil and at least one subsequent second inner coil provided across the core; an outer frame enclosing the primary winding externally and divided into thereon a first outer winding section and a second outer winding section provided in alignment with the first inner coil and the second inner coil respectively
  • the igniter comprises an inner frame on which the first inner coil and the second inner coil are coaxially wound directly from the outside and disposed inside the outer frame on the core.
  • the inner frame aligned with the first outer winding section and the second outer winding section in a precisely measured manner by previously wound the first inner coil and the second inner coil around the core facilitates mounting the outer frame
  • first inner coil is disposed end to end to a first housing and the second inner coil is disposed end to end to a second housing formed on the outer periphery of the inner frame.
  • the inner frame with primary winding on it is simply disposed inside the outer frame and when the central core penetrates, no damage or axial displacement occurs in the primary winding disposed in the housing.
  • the depth of the housing is equal to the winding height of the primary winding.
  • the housing width is equal to the diameter of the coil wire.
  • the first housing and the adjacent second housing is having a radial groove forming a front wall and a rear wall on which the first inner coil and the second inner coil rest on opposite sides respectively.
  • the inner frame With its radial groove form, the inner frame can be easily produced in one piece, for example by plastic injection.
  • the boundaries can be defined by a flange or radial protrusions instead of the groove form.
  • an intermediate channel is extending axially on the inner frame outer periphery, connecting the first housing and the second housing to each other.
  • the axial intermediate channel ensures that the one-piece coil, which is wound by extending between the first and the second housing, is embedded in the inner frame without forming a protrusion in the parts passing between the first winding and the second winding.
  • a locking element is provided at one end of the inner frame and engaging the outer frame to locks in the axial direction. With the locking element, when the inner frame is inserted axially into the hole in the outer frame, it is prevented from returning and leaving the hole by any external factor.
  • an support section is provided radially outwardly at an opposite end part opposite to the end part of the inner frame and limits its movement by abutting the outer frame from a corresponding inlet section. In this case, by passing the inner frame through the hole surrounded by the outer frame, it is ensured that it clings to the inlet section over the support section. Thus, during the driving of the inner frame into the outer frame, it is possible to stop it against axial movement in the direction of travel in the inlet section.
  • the outer diameter of the inner frame is adjusted such that to contacting the outer frame circumferentially. In this case, when the inner frame passes into the outer frame, it is secured in the radial direction. In addition, there is no need to use a radial stopper.
  • a retaining head is extending radially outwardly on the inner frame and having a slot on which the connection end is tightly engaged.
  • the retaining head holds the connection end by extending it radially outwardly, such that it conducts electricity towards the grid, for example through a circuit board.
  • the bent connection end is kept in the slit and fixed so as to facilitate assembly.
  • a retainer protrusion bends the primary winding in the form of a lower twist part at the lower part of the retaining head adjacent to the connection end.
  • the retaining protrusion creates a resistance in the pulling direction by holding the first coil from its lower twist and prevents the connection end from being dislocated by any external factor.
  • core length and inner frame length are substantially equal to each other.
  • an insulating casing is surrounding the outer frame, such that defining an inner chamber receiving the outer frame.
  • the casing allows safe use by insulating electrically conductive coils and other elements.
  • a safe structure against electric shock can be created, for example, by casting epoxy on the outer frame disposed in the inner chamber.
  • a third inner coil extending from the second inner coil is disposed at a third housing adjacent to the second housing and a separator is extending radially outwardly dividing the second housing and the third housing from each other.
  • Figure 1 is a perspective exploded illustration of a representative embodiment of the inventive gas cooker igniter.
  • a gas cooking device for example, an igniter structure with eight terminal ends (70) for use in a four-burner gas hob, is shown in an exploded perspective view.
  • a connecting pin (12) and capacitor (14) which are connected to the mains electricity via the hob (not shown) and connected to a circuit board (16), are mounted on an electronic circuit (10).
  • the mains connection to the ignition device is provided with the connection pin (12).
  • a connection end (23) of the primary winding (20) is soldered on the circuit board (16) such that it provides electrical conductivity.
  • the connection end (23) of the primary winding (20) advances in the direction of travel, on the other hand, the parallel second connection end (25), which is an integral part of and the return end of the primary winding (20), advances in the direction of rotation.
  • the primary winding (20) forms four cylindrical winding regions running in a spaced apart manner such that there is a first inner coil (22), a second inner coil (24), a third inner coil (26) and a fourth inner coil (28) in succession to each other.
  • the primary winding (20) is turned back from the upper part, that is the distal end (21) of the fourth inner coil (28) and forms the second connection end (25) parallel and adjacent to the connection end (23).
  • the primary winding (20) is bent downward after passing the first inner coil (22) and extends vertically upwards by forming a curvilinear lower twist portion (27). Then, by forming an upper bend portion (252) to form an angle of 90°, it extends parallel in manner defining the connection ends (23, 25).
  • An inner frame (30) is in an elongated drum-like form and is made of insulating plastic material.
  • the primary winding (20) is wrapped around the inner frame (30) from its outer periphery.
  • a locking element (312) in the form of a flexible claw is formed at one end part (31) of the inner frame (30).
  • the locking element (312) has an inwardly flexible structure.
  • a retaining cap (35) is formed at the opposite end.
  • the retaining head (35) is in the form of a plate extending up from the edge of the inner frame (30) and at its upper end two slots (352) parallel to each other are opened. The width of the slots (352) is adjusted so that each of the connection ends (23, 25) can engage tightly.
  • a semicircular radial retaining protrusion (354) is formed inward from the lower edge of the retaining cap (35).
  • the retaining protrusion (354) forms a bed on which it will rest on the lower bending part (27).
  • a first housing (32), a second housing (34), a third housing (36) and a fourth housing (38) are formed on the inner frame (30), radially inward with a distance with the retaining head (35) and corresponding to the windings (22, 24, 26, 28) of the primary winding (20), respectively.
  • the first housing (32) extends the width of the first inner coil (22) between a circumferential front wall (321) and an opposite circumferential rear wall (322) at a distance from it.
  • the first housing (32) and the second housing (34) are connected to each other by an axially advancing intermediate channel (342) at the upper part of the adjacent second housing (34).
  • the outgoing and return winding wire of the primary winding (20) passes through the intermediate channel (342).
  • the intermediate channel (342) runs inclined.
  • the wire in the direction of travel of the primary winding (20) can jump from the first inner coil (33) to the second inner coil (24) with a large radius winding step during winding to the inner frame (30).
  • Separator (37) in the form of a flange separates the close second housing (34) and third housing (36) from each other.
  • a ferromagnetic core (50) having a cylindrical rod structure engages into the circular hole which is surrounded by the inner frame (30).
  • An outer frame (40) made of insulating material is in the form of a drum surrounding the inner frame (30).
  • a first winding section (42), a second winding section (44), a third winding section (46) and a fourth winding section (48) corresponding to the windings (22, 24, 26, 28) of the primary winding (20) in alignment are defined.
  • Each winding section (42, 44, 46, 48) of the outer frame (40) containing annular coil winding housings is separated from each other by a separator wall in a plate-like structure.
  • each winding section (42, 44, 46, 48) legs (43) in a columnar structure extend.
  • One terminal end (70) is placed on the legs (43) from a stem portion (74).
  • Terminal ends (70) are in the form of a pin like conductive plate.
  • the stem portions (74) are in contact with a secondary winding (not shown) coiled in the corresponding winding section (42, 44, 46, 48) in a parallel pair such that it conducts electricity.
  • the retaining channel (412) is opened with a discharge on the circular front surface. The retaining channel (412) receives the locking element (312) when the inner frame (30) is placed.
  • a casing (60) produced by plastic injection has a box-like structure and delimits an inner chamber (62) with open top.
  • An assembly arrangement (64) in the form of a lock is provided on the outer parts of the casing (60) such as to be attached to the stove.
  • connection channels (66) in the form of a sheath, each carrying the connection part (72) of a terminal end (70).
  • the lower bending part (27) that engages to the retaining protrusion (354) ensures that the connection ends (23, 25) are fixed in an L-like vertical form at the opposite end part (33).
  • the inner frame (30) is mounted to the outer frame (40) by placing from the inlet section (49).
  • the support section (332) rests on the inlet section (49) from its front wall.
  • the locking element (312) engages to the retaining channel (412) from the outlet part (41) and ensures the locking of the inner frame (30) to the outer frame (40) in axial direction.
  • the retaining head (35) fits into a housing located in the inlet section (49) and prevents the radial movement of the inner frame (30) after the outer frame (40) is assembled.
  • winding housings (32, 34, 36, 38) of the inner frame (30) on which the primary winding (20) is wound and the secondary winding housings (42, 44, 46, 48) of the outer frame (40) are aligned axially.
  • the mains current connected through the connection pin (12) proceeds on the primary winding (20), to which it reaches from the connection end (23, 25), and provides high voltage pulses from the terminal ends (70) with the help of the secondary winding wound on the outer frame (40) according to the number of windings and allows the lighter to ignite with a spark plug (not shown).
  • the primary winding (20) is placed in a corresponding inner frame (30) housing (32, 34, 36, 38) with each winding (22, 24, 26, 28), during placement of the primary winding (20) on the core (50) to the inner section of the outer frame (40), displacement or axial sliding of the windings (22, 24, 26, 28) are prevented.
  • Second connection end 43 Leg Upper bend portion 44 Second winding section Third inner coil 45 Chamber Lower bend portion 46 Third winding section Fourth inner coil 48 Fourth winding section Inner frame 49 Inlet section End portion 50 Core Locking element 52 First end First housing 54 Second end Front wall 60 Casing Rear wall 62 Inner chamber Opposite end portion 64 Assembly arrangement Support section 66 Connection channel Second housing 70 Terminal end Intermediate channel 72 Connection part Retaining cap 74 Stem portion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

L'invention concerne un allumeur pour cuisinière à gaz comprenant un noyau magnétique (50) sous forme de tige ; un enroulement primaire (20) qui s'étend à partir d'une extrémité de raccordement (23) connectée au réseau, ayant une première bobine interne (22) et au moins une deuxième bobine interne ultérieure (24) disposées à travers le noyau (50) ; un cadre externe (40) qui entoure l'enroulement primaire (20) à l'extérieur et qui est divisé en une première section d'enroulement externe (42) et une deuxième section d'enroulement externe (44), respectivement disposées en alignement avec la première bobine interne (22) et la deuxième bobine interne (24). L'allumeur comprend un cadre interne (30) sur lequel la première bobine interne (22) et la deuxième bobine interne (24) sont enroulées de manière coaxiale directement à partir de l'extérieur et qui est disposé à l'intérieur du cadre externe (40) depuis l'intérieur.
PCT/TR2019/050825 2019-10-04 2019-10-04 Allumeur pour cuisinière à gaz WO2021066762A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/TR2019/050825 WO2021066762A1 (fr) 2019-10-04 2019-10-04 Allumeur pour cuisinière à gaz
EP19947745.6A EP4018128A4 (fr) 2019-10-04 2019-10-04 Allumeur pour cuisinière à gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2019/050825 WO2021066762A1 (fr) 2019-10-04 2019-10-04 Allumeur pour cuisinière à gaz

Publications (1)

Publication Number Publication Date
WO2021066762A1 true WO2021066762A1 (fr) 2021-04-08

Family

ID=75337374

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2019/050825 WO2021066762A1 (fr) 2019-10-04 2019-10-04 Allumeur pour cuisinière à gaz

Country Status (2)

Country Link
EP (1) EP4018128A4 (fr)
WO (1) WO2021066762A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110129783A1 (en) * 2009-12-01 2011-06-02 Uwe Harneit Burner with flame ring stabilization chamber
US20120282560A1 (en) * 2011-05-05 2012-11-08 General Electric Company Offset igniter assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683518A (en) * 1986-11-17 1987-07-28 R. E. Phelon Company, Inc. Ignition for oil burner
JP3445830B2 (ja) * 1994-05-13 2003-09-08 日本特殊陶業株式会社 二口用高電圧発生装置
IT1303089B1 (it) * 1998-07-28 2000-10-30 Miller Europe Spa Dispositivo accendigas elettronico.
ITTO20070215A1 (it) * 2007-03-26 2008-09-27 Itw Ind Components S R L Co N Dispositivo accendigas compatto per un elettrodomestico, in particolare un piano di cottura

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110129783A1 (en) * 2009-12-01 2011-06-02 Uwe Harneit Burner with flame ring stabilization chamber
US20120282560A1 (en) * 2011-05-05 2012-11-08 General Electric Company Offset igniter assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4018128A4 *

Also Published As

Publication number Publication date
EP4018128A1 (fr) 2022-06-29
EP4018128A4 (fr) 2023-06-28

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