JP3586974B2 - Gas cooker burner - Google Patents

Gas cooker burner Download PDF

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JP3586974B2
JP3586974B2 JP14824096A JP14824096A JP3586974B2 JP 3586974 B2 JP3586974 B2 JP 3586974B2 JP 14824096 A JP14824096 A JP 14824096A JP 14824096 A JP14824096 A JP 14824096A JP 3586974 B2 JP3586974 B2 JP 3586974B2
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Prior art keywords
flame
row
burner
gas
flame port
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JPH09303719A (en
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克己 伊藤
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パロマ工業株式会社
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Description

【0001】
【産業上の利用分野】
本発明はガス調理器のバーナに関する。
【0002】
【従来の技術】
従来よりガステーブルコンロ等のガス調理器のバーナにおいては、円周上に複数の炎口を配列してガスを燃焼させる。しかし、このバーナでは、火力調節する場合に、バーナの安定した燃焼範囲内でしか火力調節を行なうことができなかった。つまり、火力を大きくしすぎるとCOが発生しやすく、火力を小さくしすぎると消火しやすいので、一般の調理性能を維持しようとすると、設計上、火力調節範囲をあまり広くとれないものであった。そのため、例えば、強火力に合わせて設計すれば弱火が得られず、逆に弱火に合わせて設計すれば強火が得られなかった。特に極めて小火力(以後とろ火と呼ぶ)まで絞りきることができなかった。それを解決するものとして、図4に示すように、中央部とその外周にそれぞれ火力の異なるバーナ(子バーナ35と親バーナ31)を複合で設けた親子バーナ30が知られている。この親子バーナ30では、中央部の子バーナ35の火炎35aが周囲の親バーナ31の火炎31aに比較して火力も弱いので、子バーナ35のみを燃焼させれば、かなり火力を絞ることができる。
【0003】
【発明が解決しようとする課題】
しかしながら、親子バーナ30では、親子の火炎31a,35aが離れているため、両火炎31a,35a間の火移りが悪い。しかも、立ち消え安全装置の熱電対36を、親子の火炎31a,35aの両方兼用で検出できる場所がないため子バーナ35の火炎35aにのみ臨ませていたので、親バーナ31の失火は検知できなかった。これをきらって親バーナ31の失火をも検知しようとすると、親バーナ31の火炎31aにも別の熱電対が必要であった。
また、最近では、バーナの中央部に過熱防止用の温度センサーを設けたタイプのバーナも知られているが、親子バーナ31では、子バーナ35が設けられているため中央部に過熱防止用の温度センサーを取り付けることがスペース的に困難である。
本発明は上記課題を解決し、火移りが良好で火力調節範囲の広いガス調理器のバーナ提供を目的とする。
【0004】
【課題を解決するための手段】
上記課題を解決する本発明の請求項1記載のガス調理器のバーナは、
円周上に複数の炎口を配列して燃料ガスと空気との混合気を燃焼する上段炎口列と、
上記上段炎口列に沿ってその下部に複数の炎口を配列した下段炎口列と、
上記上段炎口列及び下段炎口列に燃料ガスと空気との混合気を独立して供給する混合気供給手段と、
上記混合気供給手段の各炎口列への供給ガス量を無段階に調整するガス量調整手段とを備え、
上記下段炎口列を上記上段炎口列に比べて各炎口の面積を小さくして燃焼量を少なくするとともに、上記ガス量調整手段によりガス量を最大側から最小側に調整した時、上記上段炎口列の火力は強火から消火まで調節され、上記下段炎口列の火力は弱火からとろ火まで調節されるように設定されていることを要旨とする。
【0006】
上記構成を有する本発明の請求項1記載のガス調理器のバーナは、円周上に複数の炎口を配列した上段炎口列と、その下部に上段炎口列より少ない燃焼量で燃焼する下段炎口列を形成し、各炎口列へ独立して供給された混合気を燃焼させ、ガス量調整手段によりガス量を最大側から最小側に調整した時、上段炎口列の火力は強火から消火まで調節され、下段炎口列の火力は弱火からとろ火まで調節されるので、火力調節範囲が広く火移りもよい。
つまり、火力を最大にした場合には、両方の炎口列の燃焼量を最大にし、火力を最小にした場合には、上段炎口列を消火し下段炎口列をとろ火にする。従って、大火力から小火力まで調節することが可能である。
しかも、調理鍋をこのバーナ上部に載置した場合、下段炎口列が上段炎口列の下部にあって調理鍋と下段炎口列との距離が離れているので、ガス量を最小側に調整したとき、下段炎口列のみで燃焼させることにより調理鍋には極めて弱い熱量しか与えないようになる。このため、極めて小火力まで調節することが可能である。
また、点火時においては、まず一方の炎口列に点火し他方の炎口列に火移りすると同時に両炎口列の円周上の炎口全体に火移りする。個々の炎口に形成される火炎が上下左右に隣り合っているため、スムーズに火移りする。
【0008】
【実施例】
以上説明した本発明の構成・作用を一層明らかにするために、以下本発明のガス調理器のバーナの好適な実施例について図を用いて説明する。
ガステーブルコンロに使用されるバーナは、図1に示すように、ステンレス薄板をプレス成形したバーナ本体2と、そのバーナ本体2に上から載置された黄銅等の熱間鍛造品からなる略円盤状のバーナヘッド3と、ノズルや安全弁を備え燃料ガスを供給する燃料供給部10から構成される。
バーナ本体2は、独立した上下2段部屋構造で構成され、燃料供給部10より導入された燃料ガスと1次空気とを混合する上混合管4a,下混合管4bと、その下流にあって混合気を環状に分布させてからバーナヘッド3に送る環状の上混合室5a,下混合室5bとが一体となっている。このため、バーナ本体2を仕切るだけで2種類のバーナを形成でき、別体で作成する場合に比較してコストが安くできる。
上混合室5a,下混合室5bは、それぞれ上部に開口し、バーナヘッド3を上部に載置した時に、上混合室5a,下混合室5bと一体の第1均圧室8a,第2均圧室8bを形成する。この第1均圧室8a,第2均圧室8bからバーナヘッド3の周縁に設けられた上段炎口列3a,下段炎口列3bが開口する。
下混合室5bの混合気出口(バーナヘッド3との嵌合側)の中央には、円筒状の位置決めガイド9が設けられ、バーナヘッド3の中央部を嵌合する。
バーナヘッド3は、上下2段重ねで、周縁にそれぞれ多数のくし歯状の溝からなる上段炎口列3a,下段炎口列3bを、中央部に筒状の第1ガイド6a,第2ガイド6bを設ける。第1ガイド6aは、第2ガイド6bより直径が小さく第2ガイド6bの内側でバーナ本体2の位置決めガイド9に嵌合する。上段炎口列3aと下段炎口列3bの個々の炎口を比較すると、図3に示すように、下段の炎口が上段の炎口に比べて小さい。
バーナの中央部(バーナヘッド3中心)には、過熱防止用の温度センサー17が鍋1の底に当接するように設けられる。下段炎口列3bの近傍には、立ち消え検出用の熱電対18と点火用火花を放電する電極19が設けられる。
燃料供給部10は、配管11からの燃料ガスの供給路を開閉する電磁式安全弁12と、同じくその下流でスピンドル28に挿通され燃料ガスの流路を開閉するメイン弁13と、さらにその下流で通過する燃料ガス流量を調節する第1ニードル弁14a,第2ニードル弁14bと、燃料ガスをバーナ本体2へ噴出する上ノズル15a,下ノズル15bと、燃焼制御を司どるコントロール部(図示略)等から構成される。第1ニードル弁14aと第2ニードル弁14bは、図1において説明を判りやすくするために同一断面上に図示したが、お互いに干渉しないように、断面から見て手前に第2ニードル弁14bが、後部に第1ニードル弁14aが設けられる。もちろん燃料ガス流路も独立して設けられる。
第1ニードル弁14a,第2ニードル弁14bには、左右あるいは上下に操作可能な第1火力調節レバー16a,第2火力調節レバー16bが設けられる。第1ニードル弁14aは、この第1火力調節レバー16aにより全開(強火)から全閉(消火)まで調節され、第2ニードル弁14bは、第2火力調節レバー16bにより全開(弱火)から最小(とろ火)まで調節される。
【0009】
燃料ガスは、配管11より燃料供給部10を経由してバーナ本体2へと導かれる。まず、点火部(図示略)の操作によりメイン弁13が開き、続いて電磁式安全弁12が押し開かれる。さらに、燃料ガスは、それぞれの第1ニードル弁14a,第2ニードル弁14bで流量の増減が行なわれ、上ノズル15a,下ノズル15bからバーナ本体2の上混合管4a,下混合管4bへ噴出される。燃料ガスの噴出に伴って、周りの空気が燃焼用一次空気として上混合管4a,下混合管4bに取り込まれ、燃料ガスと空気の混合気が上混合室5a,下混合室5bへ送られる。上混合室5a,下混合室5bの混合気は、上部の第1均圧室8a,第2均圧室8bに充満し、上段炎口列3a,下段炎口列3bより周縁へと噴出する。上段炎口列3a,下段炎口列3bはリング状の第1火炎7a,第2火炎7bを形成する。下段炎口列3bの炎口面積を上段炎口列3aの炎口面積より小さくしているので、両者を最大火力に調整した時に、第2火炎7bは、第1火炎7aより少ない燃焼量で燃焼する。第2火炎7bには、熱電対18が臨み、燃焼状態が不良になったり失火して熱起電力が変化すると、コントロール部により電磁式安全弁12が閉じられる。
【0010】
このバーナに点火するには、バーナヘッド3より混合気を噴出させると同時に電極19を放電させて点火用火花を飛ばし、まず下段炎口列3bより噴出する混合気に点火する。点火した火炎は、すぐに隣り合った上段炎口列3aより噴出する混合気にも火移りするとともに円周上の炎口全体に火移りして、完全な第1火炎7a,第2火炎7bを形成する。この時の火移りは、バーナヘッド3が外周に放射状に上下2段の炎口列を形成し、各炎口の炎が上下左右に隣り合っているため、たいへん良好である。
また、このバーナの火力は、第1火力調節レバー16a,第2火力調節レバー16bによりそれぞれ独立して無段階に調節できる。しかも、調理鍋1より距離が遠い下段の下段炎口列3bは上段の上段炎口列3aより燃焼量が少ないので、下段の下段炎口列3bだけで燃焼させた場合は、調理鍋1には極めて弱い熱量しか与えない。そのため、図2に示すように、バーナの全体の火力調節範囲は、上段炎口列3a,下段炎口列3bの燃焼量と調節範囲を合成した広範囲にわたり、強火からとろ火まで調節できる。例えば、火力を最大にする場合には、上段炎口列3a,下段炎口列3bの燃焼量を最大にし、火力を最小にする場合には、上段炎口列3aの火炎を消火し下段炎口列3bを最小燃焼量にする。こうして極めて小燃焼量で燃焼させることが可能であるので、調理の範囲が広がって便利である。つまり、強い火力を必要とする焼きそばといった炒め物や中華料理から、とろ火を使用する煮物まで同じバーナで調理をすることができる。
なお、バーナの中央部には、筒状の第1ガイド6aを利用して過熱防止用の温度センサー17を設けることができ、調理が完了した場合や鍋1が過熱した場合に燃焼停止し便利かつ安全である。
以上本発明の実施例について説明したが、本発明はこうした実施例に何等限定されるものではなく、本発明の要旨を逸脱しない範囲において、種々なる態様で実施し得ることは勿論である。
例えば、ガス量調節手段においても、本実施例では第1火力調節レバー16a,第2火力調節レバー16bにより、それぞれ独立して無段階に調節できたが、第2火力調節レバー16bを廃止して下段炎口列3bの第2火炎7bを一定にし、第1火力調節レバー16aのみによって上段炎口列3aの第1火炎7aのみを調節し全体の火力調節をすることもできる。第2火炎7bをとろ火にしておけば、本実施例より簡易な構成で強火からとろ火まで火力調節ができる。
【0011】
【発明の効果】
以上詳述したように、本発明の請求項1記載のガス調理器のバーナは、ガス量を最大側から最小側に調整した時、上段炎口列の火力は強火から消火まで調節され、下段炎口列の火力は弱火からとろ火まで調節されるので、火力調節範囲が広く使いやすい。また、個々の炎口で形成される炎が上下左右に隣り合っているので、点火時の火移りがたいへん良好である。
しかも、下段炎口列が上段炎口列の下部にあって調理鍋と下段炎口列との距離が離れているので、ガス量を最小側に調整したとき、下段炎口列のみで燃焼させることにより調理鍋には極めて弱い熱量しか与えないようになり、極めて小火力まで調節することが可能である。この結果、例えば強い火力を必要とする中華料理から、とろ火を使用する煮物まで、色々な調理ができ使いやすい。
【図面の簡単な説明】
【図1】一実施例としてのガス調理器のバーナの概略構成図である。
【図2】火力調節レバーの動きと火力の関係を説明した図である。
【図3】炎口の側面図である。
【図4】従来例としてのガス調理器のバーナ(親子バーナ)の概略構成図である。
【符号の説明】
2 バーナ本体
3 バーナヘッド
3a 上段炎口列
3b 下段炎口列
4a 上混合管
4b 下混合管
5a 上混合室
5b 下混合室
6a 第1ガイド
6b 第2ガイド
7a 第1火炎
7b 第2火炎
8a 第1均圧室
8b 第2均圧室
9 位置決めガイド
10 燃料供給部
14a 第1ニードル弁
14b 第2ニードル弁
16a 第1火力調節レバー
16b 第2火力調節レバー
[0001]
[Industrial applications]
The present invention relates to a gas cooker burner.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, in a burner of a gas cooker such as a gas stove, a plurality of flame openings are arranged on a circumference to burn gas. However, in this burner, when adjusting the thermal power, the thermal power could only be adjusted within the stable combustion range of the burner. In other words, if the heating power is too large, CO is likely to be generated, and if the heating power is too small, it is easy to extinguish the fire. Therefore, in order to maintain general cooking performance, the heating power adjustment range cannot be taken so wide by design. . Therefore, for example, a low heat cannot be obtained if designed in accordance with high heat, and a high heat cannot be obtained if designed in accordance with low heat. In particular, it was not possible to draw down to extremely low thermal power (hereinafter referred to as low fire). As a solution to this, as shown in FIG. 4, there is known a parent-child burner 30 in which burners having different thermal powers (child burner 35 and parent burner 31) are provided in a central portion and an outer periphery thereof. In this parent-child burner 30, since the flame 35a of the child burner 35 in the central portion has a lower thermal power than the flame 31a of the surrounding parent burner 31, the combustion power can be considerably reduced by burning only the child burner 35. .
[0003]
[Problems to be solved by the invention]
However, in the parent and child burner 30, since the flames 31a and 35a of the parent and child are separated, the fire transfer between the flames 31a and 35a is poor. Moreover, since there is no place where the thermocouple 36 of the extinguishing safety device can be detected by using both the flames 31a and 35a of the parent and child, only the flame 35a of the child burner 35 is exposed. Therefore, the misfire of the parent burner 31 cannot be detected. Was. In order to detect the misfire of the parent burner 31 by ignoring this, another thermocouple is also required for the flame 31a of the parent burner 31.
Recently, a type of burner in which a temperature sensor for preventing overheating is provided at the center of the burner is also known. However, in the parent-child burner 31, a child burner 35 is provided to prevent overheating at the center. It is difficult to install a temperature sensor in terms of space.
An object of the present invention is to solve the above-mentioned problems and to provide a burner for a gas cooker that has a good heat transfer and a wide range of heat power adjustment.
[0004]
[Means for Solving the Problems]
The burner of the gas cooker according to claim 1 of the present invention which solves the above problems,
An upper row of flame ports for arranging a plurality of flame ports on the circumference and burning a mixture of fuel gas and air;
A lower flame port row in which a plurality of flame ports are arranged at a lower portion along the upper flame port row,
Mixture supply means for independently supplying a mixture of fuel gas and air to the upper flame port row and the lower flame port row;
Gas amount adjusting means for continuously adjusting the amount of gas supplied to each flame port row of the air-fuel mixture supplying means,
The lower flame port row is smaller in area of each flame port than the upper flame port row to reduce the combustion amount, and when the gas amount is adjusted from the maximum side to the minimum side by the gas amount adjusting means , The gist is that the heating power of the upper flame row is adjusted from high to extinguishing, and the heating power of the lower flame row is adjusted from low to low .
[0006]
The burner of the gas cooker according to claim 1 of the present invention having the above-described configuration burns with an upper row of flame ports in which a plurality of flame ports are arranged on a circumference and a lower amount of combustion than the upper row of flame ports below. When the lower flame row is formed and the mixture supplied independently to each flame row is burned and the gas amount is adjusted from the maximum side to the minimum side by the gas amount adjusting means , the thermal power of the upper flame row is The range is adjusted from high heat to fire extinguishing, and the heat power of the lower row of flames is adjusted from low heat to low heat, so the heat power adjustment range is wide and the heat transfer is good.
That is, when the maximum heating power, the combustion amount of both the flame opening array to maximize, when the heating power to a minimum, to simmer the lower flame port array to extinguish the upper flame port array. Therefore, it is possible to adjust from a large heating power to a small heating power.
In addition, when the cooking pot is placed on the upper part of this burner, the lower flame row is at the bottom of the upper flame row and the distance between the cooking pot and the lower flame row is far away, so the gas amount is minimized. When adjusted, the cooking pot is given only a very low calorific value by burning only the lower flame row. For this reason, it is possible to adjust even a very small heating power.
Further, at the time of ignition, first, one of the rows of flame ports is ignited, and the other of the rows of flame ports is ignited. Since the flames formed in the individual flame openings are adjacent to each other up, down, left, and right, the fire is smoothly transferred.
[0008]
【Example】
In order to further clarify the configuration and operation of the present invention described above, a preferred embodiment of a burner of a gas cooker of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, the burner used in the gas table stove is, as shown in FIG. 1, a substantially disk made of a burner main body 2 formed by pressing a thin stainless steel plate and a hot forged product such as brass placed on the burner main body 2 from above. It comprises a burner head 3 and a fuel supply unit 10 which is provided with a nozzle and a safety valve and supplies fuel gas.
The burner body 2 has an independent upper and lower two-stage chamber structure, and includes an upper mixing pipe 4a and a lower mixing pipe 4b for mixing the fuel gas introduced from the fuel supply unit 10 with the primary air, and a downstream mixing pipe. An annular upper mixing chamber 5a and a lower mixing chamber 5b which distribute the air-fuel mixture annularly and then send the mixture to the burner head 3 are integrated. For this reason, two types of burners can be formed only by partitioning the burner main body 2, and the cost can be reduced as compared with the case where the burners are formed separately.
The upper mixing chamber 5a and the lower mixing chamber 5b are respectively opened at the upper part, and when the burner head 3 is placed on the upper part, the first equalizing chamber 8a and the second equalizing chamber 8 integrated with the upper mixing chamber 5a and the lower mixing chamber 5b. The pressure chamber 8b is formed. An upper row of flame ports 3a and a lower row of flame ports 3b provided on the periphery of the burner head 3 are opened from the first pressure equalizing chamber 8a and the second pressure equalizing chamber 8b.
A cylindrical positioning guide 9 is provided at the center of the gas mixture outlet of the lower mixing chamber 5b (on the side where the burner head 3 is fitted), and the central portion of the burner head 3 is fitted.
The burner head 3 is composed of two upper and lower stages, an upper flame port row 3a and a lower flame port row 3b each having a large number of comb-shaped grooves on the peripheral edge, and a cylindrical first guide 6a and a second guide at the center. 6b is provided. The first guide 6a has a smaller diameter than the second guide 6b, and is fitted to the positioning guide 9 of the burner main body 2 inside the second guide 6b. Comparing the individual flame ports of the upper flame row 3a and the lower flame row 3b, as shown in FIG. 3, the lower flame port is smaller than the upper flame port.
At the center of the burner (the center of the burner head 3), a temperature sensor 17 for preventing overheating is provided so as to contact the bottom of the pan 1. A thermocouple 18 for extinguishing detection and an electrode 19 for discharging ignition spark are provided near the lower flame port array 3b.
The fuel supply unit 10 includes an electromagnetic safety valve 12 that opens and closes a fuel gas supply path from a pipe 11, a main valve 13 that is also inserted into a spindle 28 downstream thereof to open and close a fuel gas flow path, and further downstream thereof. A first needle valve 14a and a second needle valve 14b for adjusting the flow rate of fuel gas passing therethrough, an upper nozzle 15a and a lower nozzle 15b for jetting fuel gas to the burner main body 2, and a control unit (not shown) for controlling combustion. And so on. Although the first needle valve 14a and the second needle valve 14b are illustrated on the same cross section for easy understanding in FIG. 1, the second needle valve 14b is positioned in front of the cross section so as not to interfere with each other. The first needle valve 14a is provided at the rear. Of course, the fuel gas passage is also provided independently.
The first needle valve 14a and the second needle valve 14b are provided with a first heating power adjustment lever 16a and a second heating power adjustment lever 16b that can be operated left and right or up and down. The first needle valve 14a is adjusted from fully open (high heat) to fully closed (fire extinguishing) by the first heating power adjustment lever 16a, and the second needle valve 14b is fully opened (low heat) to the minimum (low heat) by the second heating power adjustment lever 16b. It is adjusted up to low heat.
[0009]
The fuel gas is guided from the pipe 11 to the burner main body 2 via the fuel supply unit 10. First, the main valve 13 is opened by operating an ignition unit (not shown), and then the electromagnetic safety valve 12 is pushed open. Further, the flow rate of the fuel gas is increased or decreased by the first needle valve 14a and the second needle valve 14b, and is ejected from the upper nozzle 15a and the lower nozzle 15b to the upper mixing pipe 4a and the lower mixing pipe 4b of the burner main body 2. Is done. With the ejection of the fuel gas, the surrounding air is taken into the upper mixing pipe 4a and the lower mixing pipe 4b as primary air for combustion, and the mixture of the fuel gas and the air is sent to the upper mixing chamber 5a and the lower mixing chamber 5b. . The air-fuel mixture in the upper mixing chamber 5a and the lower mixing chamber 5b fills the upper first equalizing chamber 8a and the second equalizing chamber 8b, and is ejected to the periphery from the upper flame port row 3a and the lower flame port row 3b. . The upper flame row 3a and the lower flame row 3b form a ring-shaped first flame 7a and a second flame 7b. Since the flame area of the lower flame row 3b is smaller than the flame area of the upper flame row 3a, when both are adjusted to the maximum thermal power, the second flame 7b generates a smaller amount of combustion than the first flame 7a. Burn. The thermocouple 18 faces the second flame 7b, and when the combustion state becomes poor or misfires and the thermoelectromotive force changes, the electromagnetic safety valve 12 is closed by the control unit.
[0010]
In order to ignite the burner, the air-fuel mixture is ejected from the burner head 3 and at the same time, the electrode 19 is discharged to blow off the spark for ignition. First, the air-fuel mixture ejected from the lower flame port row 3b is ignited. The ignited flame immediately transfers to the air-fuel mixture ejected from the adjacent upper flame port row 3a, and also to the entire flame port on the circumference, and complete first flame 7a and second flame 7b. To form The fire transfer at this time is very good because the burner head 3 radially forms two rows of upper and lower flame ports on the outer periphery, and the flames of the respective flame ports are vertically and horizontally adjacent.
The heating power of the burner can be independently and continuously adjusted by the first heating power adjustment lever 16a and the second heating power adjustment lever 16b. In addition, since the lower flame port row 3b, which is farther from the cooking pan 1, burns less than the upper flame port row 3a, the lower pan flame row 3b burns only in the lower flame port row 3b. Gives very little heat. Therefore, as shown in FIG. 2, the entire range of adjusting the heating power of the burner can be adjusted from a high flame to a low flame over a wide range in which the combustion amount and the adjustment range of the upper flame port row 3 a and the lower flame port row 3 b are combined. For example, when the thermal power is maximized, the amount of combustion in the upper flame row 3a and the lower flame row 3b is maximized, and when the thermal power is minimized, the flame in the upper flame row 3a is extinguished to lower the flame. The row 3b is set to the minimum combustion amount. Since it is possible to burn with a very small amount of combustion in this manner, the range of cooking is widened and convenient. In other words, it is possible to cook on the same burner from stir-fried noodles such as fried noodles and Chinese food, which require strong heat, to stewed foods using simmering fire.
At the center of the burner, a temperature sensor 17 for preventing overheating can be provided by using a cylindrical first guide 6a. When the cooking is completed or when the pot 1 is overheated, the combustion is stopped and a convenient operation is performed. And secure.
Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments at all, and it goes without saying that the present invention can be implemented in various modes without departing from the gist of the present invention .
For example, in the gas amount adjusting means, in the present embodiment, the first heating power adjustment lever 16a and the second heating power adjustment lever 16b can be independently and continuously adjusted in a stepless manner, but the second heating power adjustment lever 16b is eliminated. It is also possible to make the second flame 7b of the lower flame port row 3b constant, and adjust only the first flame 7a of the upper flame port row 3a only by the first thermal power control lever 16a to adjust the entire thermal power. If the second flame 7b is set to a low flame, the heat power can be adjusted from a high flame to a low flame with a simpler configuration than in this embodiment.
[0011]
【The invention's effect】
As described in detail above, in the burner of the gas cooking device according to the first aspect of the present invention, when the gas amount is adjusted from the maximum side to the minimum side, the heating power of the upper flame row is adjusted from high heat to fire extinguishing, Since the fire power of the row of flames is adjusted from low heat to low heat, the heat power adjustment range is wide and easy to use. In addition, since the flames formed by the individual flame openings are vertically adjacent to each other, the fire transfer at the time of ignition is very good.
In addition, since the lower flame port row is below the upper flame port row and the distance between the cooking pot and the lower flame port row is large, when the gas amount is adjusted to the minimum side, combustion is performed only in the lower flame port row. As a result, only a very small amount of heat is given to the cooking pot, and it is possible to adjust the heating power to a very small value. As a result, various cooking can be performed, for example, from Chinese cuisine requiring a high heat power to simmered food using a simmering fire, and it is easy to use.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram of a burner of a gas cooker as one embodiment.
FIG. 2 is a diagram illustrating the relationship between the movement of a heating power adjustment lever and the heating power.
FIG. 3 is a side view of a flame outlet.
FIG. 4 is a schematic configuration diagram of a burner (parent and child burner) of a gas cooking device as a conventional example.
[Explanation of symbols]
2 Burner body 3 Burner head 3a Upper row of flame ports 3b Lower row of flame ports 4a Upper mixing pipe 4b Lower mixing pipe 5a Upper mixing chamber 5b Lower mixing chamber 6a First guide 6b Second guide 7a First flame 7b Second flame 8a 1 pressure equalizing chamber 8b second pressure equalizing chamber 9 positioning guide 10 fuel supply section 14a first needle valve 14b second needle valve 16a first heating power adjustment lever 16b second heating power adjustment lever

Claims (1)

円周上に複数の炎口を配列して燃料ガスと空気との混合気を燃焼する上段炎口列と、
上記上段炎口列に沿ってその下部に複数の炎口を配列した下段炎口列と、
上記上段炎口列及び下段炎口列に燃料ガスと空気との混合気を独立して供給する混合気供給手段と、
上記混合気供給手段の各炎口列への供給ガス量を無段階に調整するガス量調整手段とを備え、
上記下段炎口列を上記上段炎口列に比べて各炎口の面積を小さくして燃焼量を少なくするとともに、上記ガス量調整手段によりガス量を最大側から最小側に調整した時、上記上段炎口列の火力は強火から消火まで調節され、上記下段炎口列の火力は弱火からとろ火まで調節されるように設定されていることを特徴とするガス調理器のバーナ。
An upper row of flame ports for arranging a plurality of flame ports on the circumference and burning a mixture of fuel gas and air;
A lower flame port row in which a plurality of flame ports are arranged at a lower portion along the upper flame port row,
Mixture supply means for independently supplying a mixture of fuel gas and air to the upper flame port row and the lower flame port row;
Gas amount adjusting means for continuously adjusting the amount of gas supplied to each flame port row of the air-fuel mixture supplying means,
The lower flame port row is smaller in area of each flame port than the upper flame port row to reduce the combustion amount, and when the gas amount is adjusted from the maximum side to the minimum side by the gas amount adjusting means , A burner for a gas cooker, wherein the heating power of the upper flame row is adjusted from high to low and the heating power of the lower flame row is adjusted from low to low .
JP14824096A 1996-05-17 1996-05-17 Gas cooker burner Expired - Lifetime JP3586974B2 (en)

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JP3586974B2 true JP3586974B2 (en) 2004-11-10

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