JP2013234764A - Gas cooker - Google Patents

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JP2013234764A
JP2013234764A JP2012105407A JP2012105407A JP2013234764A JP 2013234764 A JP2013234764 A JP 2013234764A JP 2012105407 A JP2012105407 A JP 2012105407A JP 2012105407 A JP2012105407 A JP 2012105407A JP 2013234764 A JP2013234764 A JP 2013234764A
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cooking container
burner
ignition
control
control board
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JP5819246B2 (en
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Tatsuya Miyamoto
達也 宮本
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Paloma Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To easily release a cooking container detection function by a release switch without complicating a configuration of a control section.SOLUTION: When an ignition/extinction button is operated by pressing, a control board is supplied with power supply at S1, and the control board is activated. Then, the control board determines whether or not a cooking container is placed on a trivet at S2. Here, if placement of the cooking container is not confirmed, ignition is prohibited at S4. After that, when turning ON of a release switch is confirmed by determination at S5, the control board releases a cooking container detection function and performs ignition control at S6.

Description

本発明は、テーブルコンロやビルトインコンロ等のガスコンロに関する。   The present invention relates to a gas stove such as a table stove and a built-in stove.

テーブルコンロやビルトインコンロ等のガスコンロにおいては、安全性の向上のために、五徳上に鍋等の調理容器が載置されているか否かを検出する調理容器検出手段を設けて、調理容器検出手段によって調理容器の載置が検出されない場合には、バーナの燃焼を禁止するようにしたものが知られている（例えば特許文献１参照）。
但し、調理容器がない状態でもバーナを燃焼させてのり等のあぶり調理が行えるように、特許文献１のガスコンロでは、調理容器検出機能を任意に解除できる解除スイッチを設けている。すなわち、解除スイッチがＯＮされると、電源を立上げて制御回路を起動させ、制御回路の解除設定部で調理容器検出機能の解除を受け付け可能とするもので、解除スイッチをＯＮした後の一定時間内で点火操作すれば、調理容器がない状態でもバーナが燃焼するようになっている。 In a gas stove such as a table stove or a built-in stove, a cooking container detection means for detecting whether a cooking container such as a pan is placed on the virtues is provided for improving safety, and the cooking container detection means When the placement of the cooking container is not detected by the above, it is known that the combustion of the burner is prohibited (see, for example, Patent Document 1).
However, the gas stove of Patent Document 1 is provided with a release switch that can arbitrarily cancel the cooking container detection function so that the burner can be burned to perform cooking such as paste even when there is no cooking container. That is, when the release switch is turned on, the power supply is turned on to start the control circuit, and the release setting unit of the control circuit can accept the release of the cooking container detection function. If the ignition operation is performed within the time, the burner is burned even when there is no cooking container.

特開２０１１−１０６７９６号公報JP 2011-107996 A

しかし、特許文献１のガスコンロにおいては、点火操作よりも先に解除スイッチをＯＮさせることで電源を立ち上げて調理容器検出機能の解除を受け付け可能とする必要がある。このため、電池電源を用いたものでは解除スイッチがＯＮされた場合に各種制御回路に電源を供給する機構が必要となり、制御基板の構成が複雑化し、コストアップを招いてしまう。また、点火操作の前に解除スイッチのＯＮを要求するため、使用者に違和感を与えるおそれもある。   However, in the gas stove of Patent Document 1, it is necessary to turn on the release switch prior to the ignition operation so that the power supply is turned on and the release of the cooking container detection function can be accepted. For this reason, in the case of using a battery power source, a mechanism for supplying power to various control circuits when the release switch is turned on is required, which complicates the configuration of the control board and increases the cost. Moreover, since the release switch is requested to be turned on before the ignition operation, the user may feel uncomfortable.

そこで、本発明は、制御部の構成を複雑化することなく、解除スイッチによる調理容器検出機能の解除を簡単に行うことができるガスコンロを提供することを目的としたものである。   Therefore, an object of the present invention is to provide a gas stove that can easily release the cooking container detection function by the release switch without complicating the configuration of the control unit.

上記目的を達成するために、請求項１に記載の発明は、点火操作によって燃料ガスが供給されるバーナと、点火操作によって電源が供給されてバーナへの点火制御を行う制御部と、バーナ上への調理容器の載置を検出する調理容器検出手段と、を備え、制御部は、電源の供給後に調理容器検出手段によって調理容器の載置が検出されない場合は、バーナの点火制御を禁止するガスコンロであって、バーナの点火制御の禁止を解除する解除スイッチを設けて、制御部は、電源の供給後のバーナの点火制御の禁止状態で解除スイッチがＯＮ操作された際に、バーナの点火制御の禁止を解除することを特徴とするものである。
請求項２に記載の発明は、請求項１の構成において、制御部は、電源の供給から所定時間経過する前に解除スイッチがＯＮ操作された際にバーナの点火制御の禁止を解除することを特徴とするものである。 In order to achieve the above object, the invention described in claim 1 includes a burner to which fuel gas is supplied by an ignition operation, a control unit that is supplied with power by an ignition operation and performs ignition control on the burner, And a control unit that prohibits ignition control of the burner when the placement of the cooking container is not detected by the cooking container detection means after the power is supplied. A gas stove that is provided with a release switch for releasing the prohibition of the burner ignition control, and the control unit performs the ignition of the burner when the release switch is turned on in the prohibition state of the burner ignition control after the power is supplied. The prohibition of control is canceled.
According to a second aspect of the present invention, in the configuration of the first aspect, the control unit cancels the prohibition of the burner ignition control when the release switch is turned ON before a predetermined time has elapsed from the supply of power. It is a feature.

請求項１に記載の発明によれば、解除スイッチによって調理容器検出機能を任意に解除できるため、使い勝手が向上する。特に、点火操作により制御部に電源が供給されてから調理容器検出機能の解除の受け付けがなされるため、制御部の構成を複雑化することがなく、解除スイッチによる調理容器検出機能の解除を簡単に行うことができる。また、点火操作の後に解除操作を行う構成とすることで、使用者に違和感を与えることもない。
請求項２に記載の発明によれば、請求項１の効果に加えて、電源の供給から所定時間経過前に解除スイッチがＯＮ操作されないとバーナの点火制御の禁止は維持されるため、安全性の向上が期待できる。 According to the first aspect of the present invention, since the cooking container detection function can be arbitrarily canceled by the release switch, the usability is improved. In particular, since the cancellation of the cooking container detection function is accepted after the power is supplied to the control unit by the ignition operation, the configuration of the control unit is not complicated, and the cancellation of the cooking container detection function by the release switch is easy. Can be done. In addition, since the release operation is performed after the ignition operation, the user does not feel uncomfortable.
According to the second aspect of the invention, in addition to the effect of the first aspect, since the prohibition of the ignition control of the burner is maintained unless the release switch is turned on before the predetermined time has elapsed since the power supply, the safety of the burner is maintained. Improvement can be expected.

ガスコンロの概略図である。It is the schematic of a gas stove. ガスコンロの動作のフローチャートである。It is a flowchart of operation | movement of a gas stove. ガスコンロの動作の変更例のフローチャートである。It is a flowchart of the example of a change of operation | movement of a gas stove.

以下、本発明の実施の形態を図面に基づいて説明する。
図１は、ガスコンロの一例を示す概略図である。このガスコンロ１において、２は器体の上部に設けられるバーナで、バーナ２上で器体の天板には、調理容器を載置可能な図示しない五徳が設けられる。
また、バーナ２へのガス通路３には、上流側からコックスイッチ４、セーフティバルブ５がそれぞれ設けられている。まずコックスイッチ４は、器体の正面に設けた図示しない点消火ボタンの押し操作に伴ってＯＮして、ＯＮ信号を制御基板１０へ出力するものである。次にセーフティバルブ５は、常態ではガス通路３を閉塞する閉弁状態にあり、点消火ボタンの押し操作に伴い、ガス通路３を開放する開弁状態に移行し、制御基板１０からの通電により開弁状態が保持されるものである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic view showing an example of a gas stove. In this gas stove 1, reference numeral 2 denotes a burner provided on the upper part of the container.
Further, the gas passage 3 to the burner 2 is provided with a cock switch 4 and a safety valve 5 from the upstream side. First, the cock switch 4 is turned on in response to a pressing operation of a fire extinguishing button (not shown) provided in front of the body, and outputs an ON signal to the control board 10. Next, the safety valve 5 is normally in a closed state in which the gas passage 3 is closed, and is moved to an open state in which the gas passage 3 is opened in accordance with the pressing operation of the fire extinguishing button. The valve open state is maintained.

さらに、ガス通路３は、セーフティバルブ５の下流側で、流路断面積が大きい第１通路６と、流路断面積が小さい第２通路７とに部分的に分岐しており、第１通路６には、第１通路６を開閉可能な第１キープソレノイドバルブ８が設けられている。この第１キープソレノイドバルブ８は、揚げ物モード等の自動火力調整を行う際に制御基板１０からの通電制御によって開閉動作するものである。
そして、第１、第２通路６，７の合流後のガス通路３には、第２キープソレノイドバルブ９が設けられている。この第２キープソレノイドバルブ９も、制御基板１０からの通電制御によってガス通路３を開閉するものである。 Further, the gas passage 3 is partially branched on the downstream side of the safety valve 5 into a first passage 6 having a large flow passage cross-sectional area and a second passage 7 having a small flow passage cross-sectional area. 6, a first keep solenoid valve 8 capable of opening and closing the first passage 6 is provided. The first keep solenoid valve 8 opens and closes by energization control from the control board 10 when performing automatic heating power adjustment such as in the deep-fried food mode.
A second keep solenoid valve 9 is provided in the gas passage 3 after joining the first and second passages 6 and 7. The second keep solenoid valve 9 also opens and closes the gas passage 3 by energization control from the control board 10.

一方、バーナ２の近傍には、熱電対１１と点火電極１２とが設けられている。熱電対１１は、バーナ２の炎によって加熱されることで発生した熱起電力を制御基板１０に出力するものである。点火電極１２は、制御基板１０によってイグナイタ１３が作動することで連続スパークしてバーナ２に点火する。
１４は、調理容器検出手段としての調理容器検出スイッチで、バーナ２の中央で上方に突出して調理容器の底面に当接する図示しないセンサ部の上下位置に応じてＯＮ／ＯＦＦする。すなわち、センサ部が上昇位置にあるとき（調理容器が五徳に載置されないとき）はＯＦＦし、センサ部が下降位置にあるとき（調理容器が五徳に載置されているとき）はＯＮして、ＯＮ信号を制御基板１０へ出力するものである。 On the other hand, a thermocouple 11 and an ignition electrode 12 are provided in the vicinity of the burner 2. The thermocouple 11 outputs a thermoelectromotive force generated by being heated by the flame of the burner 2 to the control board 10. The ignition electrode 12 continuously sparks when the igniter 13 is operated by the control board 10 and ignites the burner 2.
Reference numeral 14 denotes a cooking container detection switch as cooking container detection means, which is turned ON / OFF according to the vertical position of a sensor unit (not shown) that protrudes upward at the center of the burner 2 and contacts the bottom surface of the cooking container. That is, when the sensor unit is in the raised position (when the cooking container is not placed on the virtues), it is turned off. When the sensor unit is in the lowered position (when the cooking vessel is placed on the virtues), it is turned on. The ON signal is output to the control board 10.

制御部としての制御基板１０は、マイコンの他、各バルブの駆動回路や各スイッチの入力回路、熱電対回路やイグナイタ作動回路、電源回路等を備えた周知の構成で、乾電池１５を電源として動作する。この制御基板１０には、解除スイッチ１６と解除確認ランプ１７とが電気的に接続されている。この解除スイッチ１６と解除確認ランプ１７とは、器体の正面に設けた操作部に設けられるもので、解除スイッチ１６を押すと、ＯＮ信号が制御基板１０に入力されて、後述するように、五徳への調理容器の載置が確認されないと点火制御が禁止される調理容器検出機能が解除される。この解除の際に、制御基板１０は解除確認ランプ１７を点灯させるようになっている。１８はブザーである。   The control board 10 as a control unit has a known configuration including a microcomputer, a drive circuit for each valve, an input circuit for each switch, a thermocouple circuit, an igniter operation circuit, a power circuit, and the like, and operates with a dry battery 15 as a power source. To do. A release switch 16 and a release confirmation lamp 17 are electrically connected to the control board 10. The release switch 16 and the release confirmation lamp 17 are provided in an operation unit provided on the front of the container. When the release switch 16 is pressed, an ON signal is input to the control board 10 and, as will be described later, If it is not confirmed that the cooking container is placed on the virtues, the cooking container detection function that prohibits ignition control is canceled. At the time of the release, the control board 10 lights the release confirmation lamp 17. 18 is a buzzer.

以上の如く構成されたガスコンロ１の動作を、図２のフローチャートに基づいて説明する。
点消火ボタンが押し操作されると、まずコックスイッチ４がＯＮしてセーフティバルブ５が開弁し、Ｓ１で制御基板１０に電源が供給されて制御基板１０が立ち上がる。すると、制御基板１０は、Ｓ２で、調理容器検出スイッチ１４がＯＮしているか否か、すなわち五徳上に調理容器が載置されているか否かを判別する。ここで調理容器検出スイッチ１４のＯＮが確認されると、調理容器が載置されているとして、Ｓ３で制御基板１０は、第２キープソレノイドバルブ９を開弁させてバーナ２へ燃料ガスを供給すると共に、イグナイタ１３を作動させてバーナ２に点火する点火制御を行う。 The operation of the gas stove 1 configured as described above will be described based on the flowchart of FIG.
When the point fire extinguishing button is pushed, the cock switch 4 is first turned on and the safety valve 5 is opened. In S1, power is supplied to the control board 10 and the control board 10 is started up. Then, the control board 10 discriminate | determines whether the cooking container detection switch 14 is turned ON by S2, ie, whether the cooking container is mounted on Gotoku. If it is confirmed that the cooking container detection switch 14 is turned ON, the control board 10 opens the second keep solenoid valve 9 and supplies the fuel gas to the burner 2 in S3, assuming that the cooking container is placed. At the same time, ignition control for igniting the burner 2 by operating the igniter 13 is performed.

なお、バーナ２の点火後は、熱電対１１の熱起電力を監視して、所定の閾値以上であればセーフティバルブ５への通電を継続して開弁保持させ、熱起電力が所定の閾値を下回ると、失火が生じたとしてセーフティバルブ５への通電を停止して閉弁させ、燃料ガスの供給を遮断してバーナ２を自動消火させる。   After the burner 2 is ignited, the thermoelectromotive force of the thermocouple 11 is monitored, and if it is equal to or greater than a predetermined threshold, the energization to the safety valve 5 is continued and the valve is held open. If it falls below the threshold value, it is assumed that a misfire has occurred, the power supply to the safety valve 5 is stopped and closed, the fuel gas supply is shut off, and the burner 2 is automatically extinguished.

一方、Ｓ２の判別で調理容器検出スイッチ１４のＯＮが確認されなければ、五徳上に調理容器が載置されていないとして、第２キープソレノイドバルブ９を開弁させず、Ｓ４で点火禁止としてブザー１８を鳴動させる。
その後、Ｓ５の判別で解除スイッチ１６のＯＮが確認されると、制御基板１０は調理容器検出機能を解除して解除確認ランプ１７を点灯させる。そして、Ｓ６で制御基板１０は、第２キープソレノイドバルブ９を開弁させてバーナ２へ燃料ガスを供給すると共に、イグナイタ１３を作動させてバーナ２に点火する点火制御を行う。 On the other hand, if the ON of the cooking container detection switch 14 is not confirmed in the determination of S2, the second keeping solenoid valve 9 is not opened and the buzzer is set to prohibit ignition in S4, assuming that the cooking container is not placed on the virtues. Ring 18
Thereafter, when it is confirmed in S5 that the release switch 16 is turned on, the control board 10 releases the cooking container detection function and turns on the release confirmation lamp 17. In step S6, the control board 10 opens the second keep solenoid valve 9 to supply fuel gas to the burner 2, and performs ignition control for igniting the burner 2 by operating the igniter 13.

このように、上記形態のガスコンロ１によれば、バーナ２の点火制御の禁止を解除する解除スイッチ１６を設けて、制御基板１０は、電源の供給後のバーナ２の点火制御の禁止状態で解除スイッチ１６がＯＮ操作された際に、バーナ２の点火制御の禁止を解除することで、解除スイッチ１６によって調理容器検出機能を任意に解除できるため、使い勝手が向上する。また、点火操作により制御基板１０に電源が供給されてから調理容器検出機能の解除の受け付けがなされるため、制御基板１０の構成を複雑化することがなく、解除スイッチ１６による調理容器検出機能の解除を簡単に行うことができる。さらに、点火操作の後に解除操作を行う構成とすることで、使用者に違和感を与えることもない。   Thus, according to the gas stove 1 of the said form, the cancellation | release switch 16 which cancels prohibition of the ignition control of the burner 2 is provided, and the control board 10 cancels | releases in the prohibition state of the ignition control of the burner 2 after power supply When the switch 16 is turned on, by canceling the prohibition of the ignition control of the burner 2, the cooking container detection function can be arbitrarily canceled by the release switch 16, so that the usability is improved. In addition, since the release of the cooking container detection function is accepted after the power is supplied to the control board 10 by the ignition operation, the configuration of the control board 10 is not complicated, and the cooking container detection function of the release switch 16 is improved. Release is easy. In addition, the release operation is performed after the ignition operation, so that the user does not feel uncomfortable.

なお、上記形態では、Ｓ４での点火禁止後の任意のタイミングで解除スイッチ１６をＯＮ操作すれば、調理容器検出機能が解除されるようにしているが、図３に示すように、Ｓ５で解除スイッチ１６のＯＮが確認されると、Ｓ６において、電源ＯＮしてから所定時間経過したか否かを判別して、所定時間経過していなければ、解除確認ランプ１７を点灯させてＳ７で点火制御を実行するようにしてもよい。すなわち、ＳＳ６の判別で電源ＯＮから所定時間経過していれば、調理容器検出機能を解除することなくＳ８で点火禁止を継続するものである。
このように、図３の変更例では、制御基板１０は、電源の供給から所定時間経過する前に解除スイッチ１６がＯＮ操作された際にバーナ２の点火制御の禁止を解除するようにしたことで、安全性の向上が期待できる。 In the above embodiment, if the release switch 16 is turned ON at any timing after the ignition is prohibited in S4, the cooking container detection function is released. However, as shown in FIG. When it is confirmed that the switch 16 is turned on, in S6, it is determined whether or not a predetermined time has elapsed since the power was turned on. If the predetermined time has not elapsed, the release confirmation lamp 17 is turned on and the ignition control is performed in S7. May be executed. That is, if a predetermined time has elapsed since the power is turned on in the determination of SS6, the ignition prohibition is continued in S8 without releasing the cooking container detection function.
As described above, in the modified example of FIG. 3, the control board 10 releases the prohibition of the ignition control of the burner 2 when the release switch 16 is turned on before a predetermined time has elapsed from the supply of power. Therefore, improvement in safety can be expected.

その他、ガスコンロの各部の構成も上記形態に限らず、例えば第１キープソレノイドバルブがなく二叉に分岐する部分がないガス通路であっても本発明は適用可能であるし、解除確認ランプやブザーは省略したものであっても差し支えない。また、解除スイッチは、数秒間の長押しによって調理容器検出機能の解除がなされるようにすることもできる。   In addition, the configuration of each part of the gas stove is not limited to the above-described form. For example, the present invention can be applied to a gas passage that does not have a first keep solenoid valve and does not have a bifurcated branch. Can be omitted. The release switch can also release the cooking container detection function by long pressing for several seconds.

１・・ガスコンロ、２・・バーナ、３・・ガス通路、４・・コックスイッチ、５・・セーフティバルブ、６・・第１通路、７・・第２通路、８・・第１キープソレノイドバルブ、９・・第２キープソレノイドバルブ、１０・・制御基板、１４・・調理容器検出スイッチ、１５・・乾電池、１６・・解除スイッチ、１７・・解除確認ランプ。   1 ... Gas stove, 2 ... Burner, 3 ... Gas passage, 4 ... Cock switch, 5 ... Safety valve, 6 ... First passage, 7 ... Second passage, 8 ... First keep solenoid valve 9 .. Second keep solenoid valve 10.. Control board 14. Cooking container detection switch 15 Dry battery 16 Release switch 17 Release confirmation lamp

Claims (2)

点火操作によって燃料ガスが供給されるバーナと、
点火操作によって電源が供給されて前記バーナへの点火制御を行う制御部と、
前記バーナ上への調理容器の載置を検出する調理容器検出手段と、を備え、前記制御部は、前記電源の供給後に前記調理容器検出手段によって前記調理容器の載置が検出されない場合は、前記バーナの点火制御を禁止するガスコンロであって、
前記バーナの点火制御の禁止を解除する解除スイッチを設けて、
前記制御部は、前記電源の供給後の前記バーナの点火制御の禁止状態で前記解除スイッチがＯＮ操作された際に、前記バーナの点火制御の禁止を解除することを特徴とするガスコンロ。 A burner to which fuel gas is supplied by ignition operation;
A control unit that is supplied with power by an ignition operation and performs ignition control on the burner;
Cooking container detection means for detecting the placement of the cooking container on the burner, and when the controller does not detect the placement of the cooking container by the cooking container detection means after the power supply, A gas stove that prohibits ignition control of the burner,
Provide a release switch to release the prohibition of ignition control of the burner,
The said control part cancels prohibition of the ignition control of the said burner, when the said release switch is turned ON in the prohibition state of the ignition control of the said burner after the supply of the said power supply. 前記制御部は、前記電源の供給から所定時間経過する前に前記解除スイッチがＯＮ操作された際に前記バーナの点火制御の禁止を解除することを特徴とする請求項１に記載のガスコンロ。   2. The gas stove according to claim 1, wherein the control unit cancels prohibition of ignition control of the burner when the release switch is turned ON before a predetermined time has elapsed from the supply of the power.
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KR20160071328A (en) 2014-12-11 2016-06-21 린나이코리아 주식회사 Gas Range
KR20160142771A (en) 2015-06-03 2016-12-13 린나이코리아 주식회사 Gas range
JP2019120471A (en) * 2018-01-11 2019-07-22 株式会社パロマ Cooking stove
JP2020165596A (en) * 2019-03-29 2020-10-08 株式会社パロマ Gas stove
KR102255236B1 (en) * 2019-12-24 2021-05-25 린나이코리아 주식회사 Apparatus for Ignitor Control according to Detect of Cooking Containers of Gas Range

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JP2010185634A (en) * 2009-02-13 2010-08-26 Rinnai Corp Gas stove
JP2011106796A (en) * 2009-11-20 2011-06-02 Rinnai Corp Gas cooking stove
JP2011257021A (en) * 2010-06-07 2011-12-22 Rinnai Corp Stove burner

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JP2010185634A (en) * 2009-02-13 2010-08-26 Rinnai Corp Gas stove
JP2011106796A (en) * 2009-11-20 2011-06-02 Rinnai Corp Gas cooking stove
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Cited By (8)

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Publication number Priority date Publication date Assignee Title
KR20160071328A (en) 2014-12-11 2016-06-21 린나이코리아 주식회사 Gas Range
KR20160142771A (en) 2015-06-03 2016-12-13 린나이코리아 주식회사 Gas range
KR101799303B1 (en) * 2015-06-03 2017-11-20 린나이코리아 주식회사 Gas range
JP2019120471A (en) * 2018-01-11 2019-07-22 株式会社パロマ Cooking stove
JP7079957B2 (en) 2018-01-11 2022-06-03 株式会社パロマ Stove
JP2020165596A (en) * 2019-03-29 2020-10-08 株式会社パロマ Gas stove
JP7360662B2 (en) 2019-03-29 2023-10-13 株式会社パロマ Gas stove
KR102255236B1 (en) * 2019-12-24 2021-05-25 린나이코리아 주식회사 Apparatus for Ignitor Control according to Detect of Cooking Containers of Gas Range

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