JP3531038B2 - Gas light igniter - Google Patents

Gas light igniter

Info

Publication number
JP3531038B2
JP3531038B2 JP28192892A JP28192892A JP3531038B2 JP 3531038 B2 JP3531038 B2 JP 3531038B2 JP 28192892 A JP28192892 A JP 28192892A JP 28192892 A JP28192892 A JP 28192892A JP 3531038 B2 JP3531038 B2 JP 3531038B2
Authority
JP
Japan
Prior art keywords
mantle
gas
ignition
burner
anode
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.)
Expired - Lifetime
Application number
JP28192892A
Other languages
Japanese (ja)
Other versions
JPH06129639A (en
Inventor
数司 村瀬
晃 長尾
孝男 堀江
功一 西垣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toho Gas Co Ltd
Original Assignee
Toho Gas Co Ltd
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 Toho Gas Co Ltd filed Critical Toho Gas Co Ltd
Priority to JP28192892A priority Critical patent/JP3531038B2/en
Publication of JPH06129639A publication Critical patent/JPH06129639A/en
Application granted granted Critical
Publication of JP3531038B2 publication Critical patent/JP3531038B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【発明の詳細な説明】 【0001】 【産業上の利用分野】本発明は、ガス灯の点火装置に関
する。特に、火屋内に配設されるバーナが下向き(マン
トルが下向き)である場合に好適なガス灯の点火装置で
ある。 【0002】ここでは、主として、火屋内に配設される
ガスバーナが下向き(マントルも下向き)である屋外配
置用ガス灯を例に採り説明をするがこれに限られるもの
ではない。即ち、バーナが上向き(マントルも上向き)
の場合、及び、屋内設置用ガス灯、及び、携帯用ガス灯
にも本発明は適用可能である。 【0003】 【従来の技術】ガスバーナが下向き、即ちマントルも下
向きタイプの屋外設置用ガス灯の従来の一例を、図1〜
2に示す。 【0004】ベース11にポール13を介して火屋15
が取付けられ、火屋15の天井部にはマントル17が組
み込まれている。 【0005】図例においては、放射状に分岐するガス分
配管(通常鋼管製)19の先端に結合されたソケット2
1を介してバーナ23がねじ込まれて下向きに結合され
ている。そして、バーナ23の先端には、ブラケット2
5を介してマントル17が取付けられている。このと
き、マントル17は、発光液を含浸させた網目布25を
マントル枠27に取付けたものである。 【0006】そして、点火装置10は、図例の如く、陽
極棒(陽極)29の先端を、アースされているソケット
(陰極)21に向けて、両電極間で行って火花放電させ
る構成であった。なお、陽極棒29は、ガス分配管19
の先端延長上に形成されたブラケット28を介して取付
けられている。該電極間部位をソケット部位のようなバ
ーナ23の上方部位に持ってきたのは、ガス吹き出し口
に近いと、拡散混合ガスのガス/空気混合比がガス比が
高すぎて燃焼範囲内になり難いため、又は、火花放電内
に燃焼範囲内のガスがうまく滞留しないためである。 【0007】 【発明が解決しようとする課題】しかし、この構成の場
合、点火ミスがある(点火効率が余り良好でない)とい
う問題点があった。このため、点火ミスをなくすため
に、放電時間を5分間も採るケースもあり、消費電力も
嵩んだ。 【0008】本発明者らが検討した結果、バーナ23か
ら下方へ吹き出たガスは、マントル17の開口部から空
気と混合しながら上方へ拡散移動するが、点火部位での
拡散混合ガスのガス/空気混合比が安定せず、空気過剰
となり易いためであることが分かった。特に、ガスがプ
ロパン、ブタン等の空気より重いものを採用した場合、
空気過剰となる傾向は増大する。 【0009】なお、ガスバーナが上向き(マントルも上
向き)の場合、従来は、放電点火装置の両極をマントル
内に入れて点火していたが、やはり、空気混合比及びガ
ス流れが不安定で点火ミスが多かった。 【0010】本発明は、上記にかんがみて、点火ミスを
減少させることできるガス灯の点火装置を提供すること
を目的とする。 【0011】 【課題を解決するための手段】本発明のガス灯の点火装
置は、上記課題を、下記構成により解決するものであ
る。 【0012】火屋内に配設されたガスバーナからマント
ルに向かって吹き出した後の拡散混合ガスに、火花放電
により点火するための点火装置において、該点火装置の
陽極をマントルの周璧外方に、前記陽極に対応する陰極
を前記マントルの周璧内方にそれぞれ配設し、マントル
の周璧外表面側を点火部位としたことを特徴とする。 【0013】 【実施例】次に、本発明を実施例に基づいて、詳細に説
明をする。従来例と同一部分については、同一図符号を
付して、それらの説明の全部又は一部を省略する。 【0014】本実施例を適用するガス灯の火屋15の概
略構成を、図3に示す。 【0015】火屋本体32は、フレーム33に耐熱強化
ガラス板34が組み込まれて形成され、上方に排気筒3
5が取付けられ、給気孔36aを有する飾り屋根36が
被せられたものである。 【0016】そして、従来同様、火屋内に、放射状に分
岐するガス分配管(通常鋼管製)19の先端にバーナ2
3が下向きに結合されている。そして、バーナ23の先
端部にはマントル17が取付けられている。また、燃焼
の有無を検知するための熱電対(サーモカップル)37
がマントル17の直上近傍に配設され、日没・夜明けを
検知する光りセンサ−38が火屋本体32の底部に配設
されている。なお、バーナ23の先端の炎孔部23a
は、先端中心から側壁にかけて複数のスリットが放射状
に形成された構成であり、ガス拡散が円滑に行なわれる
ようになっている。 【0017】ここで、点火装置10は、先端を屈曲させ
た陽極棒(陽極)30をマントル17の周璧外方に、前
記陽極棒に対応する陰極棒(陰極)22を前記マントル
17の周璧内方にそれぞれ配設し、マントル17の周璧
外表面側を点火部位としてある。この両極間の距離は、
通常、3〜7mmとする。そして、両極間の中央位置がち
ょうどマントル17の周璧外表面位置に来るようにす
る。また、電極間の印加電圧は、13〜16kVとす
る。この電源は、通常、鉛蓄電池、ニッケルカドニウム
電池等の二次電源を変圧器で変圧して得るが、商用電源
(交流電源)でもよい。 【0018】次に上記実施例の使用態様を説明する。 【0019】日没により一定以上の暗さになったことを
光センサー38により検知して、制御装置を介して電磁
弁(図示せず)を開き、バーナ23の炎孔部23aから
ガスを吹き出させる。それと同時に、点火装置10の陽
極30と陰極22との間に電圧を印加する。すると、火
花放電は、陽極30と陰極22の間で発生し、バーナ2
3の先端部に形成されたスリット23aから出た拡散混
合ガスが点火する。 【0020】このとき、ガスはマントル17の外周表面
部位であるので、拡散混合ガスのガス濃度が安定して燃
焼条件範囲内にあり、かつ、混合ガスの流れも穏やかで
ある。従って、点火ミスは極めて少なくなる。また、放
電時間も短時間(3〜5秒)ですむ。 【0021】 【発明の作用・効果】本発明のガス灯の点火装置は、陽
極をマントルの周璧外方に、前記陽極に対応する陰極を
前記マントルの周璧内方にそれぞれ配設し、マントルの
周璧外表面側を点火部位としたことを特徴とするによ
り、下記のような作用効果を奏するものである。 【0022】このとき、ガスバーナから吹き出した後の
拡散混合ガスはマントルの外周表面部位であるので、混
合ガスの濃度が安定して燃焼範囲内にあり、ガス流れも
安定している。従って、点火ミスは極めて少なくなる、
即ち、点火効率が、従来に比して極めて良好となり、火
花放電時間も従来に比して格段に短くて済む。よって、
点火のための消費電力が少なくて済み、ガス灯の点火用
電源として電池を使用した場合、電池交換期間も長くな
り、屋外設置用ガス灯の点火用・制御用電源として、交
流電源の配線工事が不要な電池タイプを採用し易くな
る。
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas lamp ignition device. In particular, the gas lamp ignition device is suitable for a case where the burner provided in the firebox is downward (the mantle is downward). [0002] Here, an explanation will be given mainly by taking an example of an outdoor-use gas lamp in which a gas burner provided in a firebox is downward (the mantle is also downward), but the present invention is not limited to this. That is, the burner is upward (the mantle is also upward)
In addition, the present invention is applicable to the case of and the indoor-installed gas lamp and the portable gas lamp. [0003] Fig. 1 shows an example of a conventional gas lamp for outdoor installation in which a gas burner is directed downward, that is, a mantle is also directed downward.
It is shown in FIG. A firehouse 15 is attached to a base 11 via a pole 13.
The mantle 17 is incorporated in the ceiling of the firehouse 15. [0005] In the illustrated example, a socket 2 connected to the tip of a gas distribution pipe (usually made of steel pipe) 19 branched radially.
The burner 23 is screwed down via 1 and connected downward. At the end of the burner 23, a bracket 2
The mantle 17 is attached via the 5. At this time, the mantle 17 has a mesh cloth 25 impregnated with a luminescent liquid attached to a mantle frame 27. The ignition device 10 has a configuration in which the tip of an anode rod (anode) 29 is directed between a grounded socket (cathode) 21 and between the two electrodes to cause a spark discharge, as shown in the figure. Was. The anode rod 29 is connected to the gas distribution pipe 19.
Is attached via a bracket 28 formed on the extension of the tip end of the head. The reason for bringing the inter-electrode portion to an upper portion of the burner 23 such as a socket portion is that if the gas mixture is too close to the gas outlet, the gas / air mixture ratio of the diffusion mixed gas is too high and is within the combustion range. This is because it is difficult or the gas in the combustion range does not stay well in the spark discharge. However, this configuration has a problem that there is an ignition error (ignition efficiency is not so good). For this reason, in order to eliminate ignition mistakes, the discharge time may be as long as 5 minutes, and the power consumption has increased. As a result of the study by the present inventors, the gas blown downward from the burner 23 diffuses upward while mixing with air from the opening of the mantle 17. It was found that the air mixing ratio was not stable and air was apt to be excessive. In particular, if the gas used is heavier than air, such as propane or butane,
The tendency for excess air increases. In the case where the gas burner is directed upward (the mantle is also directed upward), conventionally, both poles of the discharge igniter have been placed in the mantle for ignition. There were many. SUMMARY OF THE INVENTION In view of the above, it is an object of the present invention to provide a gas lamp ignition device capable of reducing ignition errors. A gas lamp ignition device according to the present invention solves the above-mentioned problems by the following constitution. An ignition device for igniting, by spark discharge, a diffusion mixed gas blown out from a gas burner disposed in a firebox toward a mantle, wherein an anode of the ignition device is disposed outside a peripheral wall of the mantle. A cathode corresponding to the anode is disposed inside the peripheral wall of the mantle, and an outer surface side of the peripheral wall of the mantle is used as an ignition site. Next, the present invention will be described in detail based on embodiments. The same parts as those in the conventional example are denoted by the same reference numerals, and all or part of the description thereof will be omitted. FIG. 3 shows a schematic configuration of a gas lamp fire 15 to which this embodiment is applied. The fire main body 32 is formed by incorporating a heat-resistant tempered glass plate 34 into a frame 33,
5 is attached, and a decorative roof 36 having an air supply hole 36a is covered. As in the prior art, a burner 2 is attached to the tip of a gas distribution pipe (usually made of steel pipe) 19 branched radially in the firebox.
3 are connected downward. The mantle 17 is attached to the tip of the burner 23. In addition, a thermocouple (thermocouple) 37 for detecting the presence or absence of combustion is used.
A light sensor 38 for detecting sunset and dawn is provided at the bottom of the fire main body 32. The flame hole 23a at the tip of the burner 23
Has a configuration in which a plurality of slits are formed radially from the center of the tip to the side wall, so that gas diffusion can be performed smoothly. Here, the ignition device 10 includes an anode rod (anode) 30 having a bent tip outside the peripheral wall of the mantle 17 and a cathode rod (cathode) 22 corresponding to the anode rod extending around the mantle 17. They are arranged inside the walls, and the outer surface side of the peripheral wall of the mantle 17 is used as an ignition site. The distance between these poles is
Usually, it is 3 to 7 mm. Then, the center position between the two poles is exactly at the outer peripheral surface position of the mantle 17. The voltage applied between the electrodes is 13 to 16 kV. This power source is usually obtained by transforming a secondary power source such as a lead storage battery or a nickel cadmium battery with a transformer, but may be a commercial power source (AC power source). Next, the manner of use of the above embodiment will be described. When the light sensor 38 detects that the light has become darker than a certain level due to the sunset, an electromagnetic valve (not shown) is opened via the control device, and gas is blown out from the flame hole 23 a of the burner 23. Let it. At the same time, a voltage is applied between the anode 30 and the cathode 22 of the ignition device 10. Then, a spark discharge occurs between the anode 30 and the cathode 22 and the burner 2
The diffusion mixed gas that has come out of the slit 23a formed at the tip of No. 3 ignites. At this time, since the gas is located on the outer peripheral surface of the mantle 17, the gas concentration of the diffusion mixed gas is stable and within the range of the combustion conditions, and the flow of the mixed gas is gentle. Therefore, ignition errors are extremely reduced. Also, the discharge time is short (3 to 5 seconds). According to the gas lamp ignition device of the present invention, the anode is disposed outside the peripheral wall of the mantle, and the cathode corresponding to the anode is disposed inside the peripheral wall of the mantle. The following effects can be obtained by using the outer peripheral surface of the mantle as an ignition portion. At this time, since the diffusion mixed gas blown out from the gas burner is located on the outer peripheral surface of the mantle, the concentration of the mixed gas is stable within the combustion range, and the gas flow is also stable. Therefore, ignition mistakes are extremely reduced,
That is, the ignition efficiency becomes extremely good as compared with the related art, and the spark discharge time can be significantly shorter than the related art. Therefore,
The power consumption for ignition is small, and if a battery is used as a power source for ignition of a gas lamp, the battery replacement period will be longer, and wiring work of an AC power source will be used as a power source for ignition and control of a gas lamp for outdoor installation. However, it becomes easy to adopt an unnecessary battery type.

【図面の簡単な説明】 【図1】本発明を適用するガス灯の一例を示す全体図 【図2】ガス等における点火装置の一例を示す部分断面
図 【図3】本発明の一実施例である点火装置を適用したガ
ス等の火屋の概略断面図 【図4】本発明の点火装置の一実施例を示す部分断面図 【符号の説明】 10 点火装置 15 火屋 17 マントル 22 陰極棒 23 バーナ 30 陽極棒
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall view showing an example of a gas lamp to which the present invention is applied. FIG. 2 is a partial cross-sectional view showing an example of an ignition device for a gas or the like. FIG. FIG. 4 is a schematic cross-sectional view of a gas fire or the like to which the ignition device is applied. FIG. 4 is a partial cross-sectional view showing an embodiment of the ignition device of the present invention. 23 burner 30 anode rod

フロントページの続き (72)発明者 堀江 孝男 岐阜県岐阜市六条江東2丁目14番27号 (72)発明者 西垣 功一 岐阜県岐阜市南蝉1−55 (56)参考文献 実開 平5−48101(JP,U) 実開 平5−53024(JP,U) 実公 昭51−36(JP,Y1) 実公 昭43−29503(JP,Y1) (58)調査した分野(Int.Cl.7,DB名) F23Q 3/00 102 F21S 13/00 F21H 1/02 Continued on the front page (72) Inventor Takao Horie 2-14-27, Rokujokohigashi, Gifu City, Gifu Prefecture (72) Inventor Koichi Nishigaki 1-55, Nansemi, Gifu City, Gifu Prefecture (56) Reference (JP, U) JP 5-53024 (JP, U) JP, 51-36 (JP, Y1) JP, 43-29503 (JP, Y1) (58) Fields investigated (Int. Cl. 7) , DB name) F23Q 3/00 102 F21S 13/00 F21H 1/02

Claims (1)

(57)【特許請求の範囲】 【請求項1】 ガス灯の火屋内に配設されたバーナから
マントルに向かって吹き出した後の拡散混合ガスに、火
花放電により点火するための点火装置において、 該点火装置の陽極をマントルの周璧外方に、前記陽極に
対応する陰極を前記マントルの周璧内方にそれぞれ配設
し、マントルの周璧外表面側を点火部位としたことを特
徴とするガス灯の点火装置。
(57) [Claim 1] An ignition device for igniting a diffusion mixed gas blown out from a burner provided in a firebox of a gas lamp toward a mantle by spark discharge, An anode of the igniter is disposed outside a peripheral wall of the mantle, and a cathode corresponding to the anode is disposed inside a peripheral wall of the mantle, and the outer surface side of the peripheral wall of the mantle is used as an ignition portion. Gas lamp ignition device.
JP28192892A 1992-10-20 1992-10-20 Gas light igniter Expired - Lifetime JP3531038B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28192892A JP3531038B2 (en) 1992-10-20 1992-10-20 Gas light igniter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28192892A JP3531038B2 (en) 1992-10-20 1992-10-20 Gas light igniter

Publications (2)

Publication Number Publication Date
JPH06129639A JPH06129639A (en) 1994-05-13
JP3531038B2 true JP3531038B2 (en) 2004-05-24

Family

ID=17645899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28192892A Expired - Lifetime JP3531038B2 (en) 1992-10-20 1992-10-20 Gas light igniter

Country Status (1)

Country Link
JP (1) JP3531038B2 (en)

Also Published As

Publication number Publication date
JPH06129639A (en) 1994-05-13

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