JPS60169014A - Burning safety device - Google Patents

Burning safety device

Info

Publication number
JPS60169014A
JPS60169014A JP59024474A JP2447484A JPS60169014A JP S60169014 A JPS60169014 A JP S60169014A JP 59024474 A JP59024474 A JP 59024474A JP 2447484 A JP2447484 A JP 2447484A JP S60169014 A JPS60169014 A JP S60169014A
Authority
JP
Japan
Prior art keywords
output
circuit
igniting
revolution
ignition
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
Application number
JP59024474A
Other languages
Japanese (ja)
Other versions
JPH0381048B2 (en
Inventor
Yuji Kondo
雄二 近藤
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.)
Rinnai Corp
Original Assignee
Rinnai Corp
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 Rinnai Corp filed Critical Rinnai Corp
Priority to JP59024474A priority Critical patent/JPS60169014A/en
Priority to KR1019840006454A priority patent/KR880000182B1/en
Publication of JPS60169014A publication Critical patent/JPS60169014A/en
Publication of JPH0381048B2 publication Critical patent/JPH0381048B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught
    • F23N3/08—Regulating air supply or draught by power-assisted systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/102—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/22—Timing network
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/04—Prepurge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/28—Ignition circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00—Flame sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • F23N2233/06—Ventilators at the air intake
    • F23N2233/08—Ventilators at the air intake with variable speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/14—Fuel valves electromagnetically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Control Of Combustion (AREA)

Abstract

PURPOSE:To prevent the device from burning stop under a gas rich condition by a method wherein a burning fan is driven by an output from an air quantity setting means, the suitable air quantity for igniting is set by said air quantity setting means at an igniting operation. CONSTITUTION:After finishing of prepurge, a number of revolution of a driving motor 7 for a burning fan 6 is decreased from the number of revolution for prepurge to the number of revolution for igniting by the output of an igniting number of revolution setting circuit 17. After the confirmation of the igniting number of revolution by an igniting number of revolution confirmation circuit 18, a transistor 29 is made ON, a contact 30a of a switch 30 is closed, a solenoid valve 4 is opened. By the igniting at this time, an output of a thermocouple 14 is increased. When the output of the thermocouple exceeds a certain value, a high level signal is outputted from an igniting detecting circuit 28, then a transistor 40 is made ON, a timer 26 is operated, a time measuring is started. The igniting number of revolution setting circuit 17 continues the operation during the setting time. Thereby, the burning stop number a gas rich condition can be prevented.

Description

【発明の詳細な説明】 本発明は、燃焼検知素子の出力に応じた燃焼用空気をバ
ーナに供給する燃焼ファンを備え、プリパージの終了後
ミ点火器及び燃料供給手段が作動するようにした燃焼器
の慾焼安全装Ｌａに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a combustion engine which is equipped with a combustion fan that supplies combustion air to a burner according to the output of a combustion detection element, and in which an igniter and a fuel supply means are activated after completion of pre-purge. Concerning the safety equipment La of the vessel.

従来この種の燃焼器は、プリバージ終了後に点火器及び
燃料供給手段が作動し点火動作を行なつた時、燃焼検知
素子の出力が得られないため、バーナに供給する燃焼用
空気の風量はプリパージの風足から次第に低下し、混合
気がガスリーンの状態から比較的速かにガスリッチの状
態になるから、その状態の転換の時点で一度は着火する
もののガスリッチの状態になって失火してしまう恐れが
あった。Conventionally, in this type of combustor, when the igniter and fuel supply means operate to perform the ignition operation after the end of the pre-purge, the output of the combustion detection element cannot be obtained, so the amount of combustion air supplied to the burner is limited to the pre-purge. As the air-fuel mixture gradually decreases from a gas-lean state to a gas-rich state relatively quickly, there is a risk that it will ignite once at the time of the change in state, but may end up in a gas-rich state and misfire. was there.

本発明は、従来のかかる不都合を無くすことをその目的
としたもので、燃焼検知素子の出力に応じた燃焼用空気
をバーナに供給する燃焼ファンを備え、プリパージの終
了後点火器及び燃料供給手段が作動するようにしたもの
において、点火に適した風ｉｔ段設定る燃焼ファンの風
量設定手段を設け、点火動作時、燃焼ファンを該風量設
定手段の出力により駆動するようにしたことを特徴とす
る。The present invention aims to eliminate such inconveniences of the conventional technology, and includes a combustion fan that supplies combustion air to a burner according to the output of a combustion detection element, and after completion of pre-purge, an igniter and a fuel supply means. The combustion fan is characterized by being provided with an air volume setting means for setting an air flow stage suitable for ignition, and during ignition operation, the combustion fan is driven by the output of the air volume setting means. do.

以下本発明の実施例を図面につき説明する。Embodiments of the present invention will be described below with reference to the drawings.

第１図は、本発明の一実施例の概略的な線図を示す。同
図において、＋１）ｆｉバーナで、該バーナＩｌ＋は比
例弁（２１，ガバナ（３１及び燃料供給手段としての電
磁弁（４）が介入された燃料通路（５）を介して燃料源
（図示せず）に接続した。（６）は燃焼ファンで、該フ
ァン１６１の駆動モータ（７）は整流回路（８）及びト
ランジスタ（９）を介して交流電源１１０１に接続し、
該トランジスタ（９）の制御極は差動増幅回路（１すに
接続し、該差動増幅回路（１１）の入力端子は駆動モー
タ（７）の回転数ヒツクアツプコイルｆ１２１　Ｋ　接
続きれた燃焼ファン（６）の回転数検知回路（１３１と
撚焼検知素子圓に接続された燃焼ファン（６）の回転数
指令回路０ωに接続してなり、燃焼検知素子０４）の出
力に応じて燃焼ファンの回転数指令回路（Ｉ５）から出
力する指令信号と燃焼ファンの回転数検知回路（１３１
の出力信号を差動増幅する差動増幅回路（印の出力でト
ランジスタ（田ｋ　ｆｔ１ｉｌ　１卸し、駆動モータ（
刀によって駆動はれる燃焼ファン（６）が燃焼検知素子
０滲の出力に応じた燃焼用空気の風量をバーナ（１）に
供給するようにした。FIG. 1 shows a schematic diagram of an embodiment of the invention. In the figure, the burner Il+ is connected to a fuel source (not shown) through a fuel passage (5) in which a proportional valve (21), a governor (31) and a solenoid valve (4) as a fuel supply means are interposed. (6) is a combustion fan, and the drive motor (7) of the fan 161 is connected to the AC power source 1101 via a rectifier circuit (8) and a transistor (9).
The control pole of the transistor (9) is connected to the differential amplifier circuit (1), and the input terminal of the differential amplifier circuit (11) is connected to the rotational speed pickup coil f121K of the drive motor (7). (6) The rotation speed detection circuit (131) is connected to the rotation speed command circuit 0ω of the combustion fan (6) connected to the twist-firing detection element circle, and the combustion fan is activated according to the output of the combustion detection element 04. The command signal output from the rotation speed command circuit (I5) and the combustion fan rotation speed detection circuit (131)
Differential amplifier circuit that differentially amplifies the output signal of
A combustion fan (6) driven by a blade supplies the burner (1) with an amount of combustion air corresponding to the output of the combustion detection element 0.

また燃焼ファンの回転数指令回路α５）には、プリバー
ジタイマ回路（１６）及び燃焼ファンの点火回転数設定
回路ｕ７１を接続してなり、該指令回路α９ｅま、プリ
パージ中には、該タイマ回路（１６）の出力信号により
プリバージ回転数指令信号を出力し、プリパージの終了
後の点火動作時には点火回転数設定回路（１７）の出力
イー号を出力し、プリパージには比例弁（２）の最大開
度に見合う風量より大きい風ｉ’ｉ、−ｔた点火動作時
には、点火に適した風量１１すなわち、比例弁（２）の
閉弁状態でバイパス流Ｊｔ１のみによる燃焼に見合う風
景よりも多く、燃焼ファン（６）の最大回転数による風
量より少ない風量をそれぞれバーナ（１）に供給するよ
うにした。The combustion fan rotation speed command circuit α5) is connected to a pre-barge timer circuit (16) and a combustion fan ignition rotation speed setting circuit u71, and during pre-purge, the timer circuit The output signal of (16) outputs a pre-barge rotation speed command signal, and when the ignition is activated after the completion of pre-purge, the output E of the ignition rotation speed setting circuit (17) is output, and for pre-purge, the maximum output of the proportional valve (2) is output. During the ignition operation, the air volume i'i, -t is larger than the air volume commensurate with the opening degree, and the air volume is 11, which is suitable for ignition, that is, it is larger than the scenery suitable for combustion with only the bypass flow Jt1 when the proportional valve (2) is closed. An air volume smaller than the air volume due to the maximum rotation speed of the combustion fan (6) is supplied to each burner (1).

４た、同図において、ａ８１は燃焼ファン（６）が前記
点火回転数になったことを確認する点火回転数確認回路
で、電磁弁（４）はプリパージの終了後燃焼ファン（（
幻の１１１転数が点火回転数になった時該回路（＋１１
９の出力信号で開弁されるようにした。（１９ｔユプリ
パージの終了後に作動する点火器、（２ＩはｉＭＡ　Ｋ
用ファンである。4. In the same figure, a81 is an ignition rotation speed confirmation circuit that confirms that the combustion fan (6) has reached the above ignition rotation speed, and a solenoid valve (4) is a circuit that confirms that the combustion fan ((
When the phantom 111 rotation speed becomes the ignition rotation speed, the circuit (+11
The valve is opened by the output signal of 9. (The igniter that operates after the completion of the 19t Upuripurge, (2I is iMA K
It is a fan for use.

第２図は第１図示のものの詳細な電気回路図を示す。FIG. 2 shows a detailed electrical circuit diagram of what is shown in FIG.

第２図において、（２ｖは強制強燃焼保持タイマで、該
タイマＱＩＪは温度調節回路（２つが作動後例えば１分
間該回路（２２１から比例弁（２）を全開する信号を出
力させるためのもの、（２３は点グく器（１１のスパー
クを検知するスパーク検知回路で、該回路（ハ）はＡＮ
Ｄグー）　（２４１に接続し、該回路（２四が作動しな
いときは温度調１６１回路シ２の出力信号で比例弁（２
）が開がれないようにした。燃焼ファン（６）の点火回
転数設定回路ａ力はトランジスタＱωを、介（−で電源
に接続し、該トランジスタ（２５１の制御極はタイマＣ
Ｌ２＋、＋の出力端子に接続し、該タイマ（２ｅｔｊ、
増幅回路（２力を介して燃焼検知素子例えば熱電対■に
接続された着火検知回路（２樽に接続し、着火したとき
タイマＱ６Ｉが作動し、所足時間経過後トランジスタ（
２艶がオンからオフに切換えられるようにした。Ｈに燃
焼ファンの真人回転数確認回路で、該回路０８１は駆動
モータ（７）の端子電圧又は回転数ピックアップコイル
（１２１の出力が点火に適した風ｈ１の回転数に対応す
る値になったときｒ４紹信号をａ１カするもので、燃料
供給手段としての電磁弁（４＋ｉユ、燃焼ファン（６）
が点火回転数になり、該確認信号でトランジスタ翰がオ
ンになり、スイッチ（７）の接点（５０ａ）が閉成され
たとき開弁されるようにした。In Fig. 2, (2v is a forced strong combustion holding timer, and the timer QIJ is a temperature control circuit (221 for outputting a signal to fully open the proportional valve (2) for one minute after activation). , (23 is a spark detection circuit that detects the spark of ignition device (11), and this circuit (c) is an AN
D goo) (connected to 241, and when the circuit (24) does not operate, the proportional valve (2
) was prevented from opening. The ignition speed setting circuit a of the combustion fan (6) connects the transistor Qω to the power supply through (-), and the control pole of the transistor (251) is connected to the timer C.
Connect to the output terminals of L2+, +, and connect the timer (2etj,
An ignition detection circuit (connected to two barrels, connected to a combustion detection element such as a thermocouple via an amplifier circuit (2), and when ignited, timer Q6I is activated, and after the required time elapses, the transistor (
2 Gloss can now be switched from on to off. H is the Masato rotation speed confirmation circuit of the combustion fan, and this circuit 081 indicates that the terminal voltage of the drive motor (7) or the rotation speed pickup coil (121) has a value corresponding to the rotation speed of the wind h1 suitable for ignition. When the r4 introduction signal is sent to the a1, the solenoid valve (4+i), combustion fan (6) as a fuel supply means is
reaches the ignition rotation speed, the transistor wire is turned on by the confirmation signal, and the valve is opened when the contact (50a) of the switch (7) is closed.

ｃ３１）は失火判定回路で、該回路（３１）が作動した
とき、トランジスタ０望をオンにしスイッチ（至）の接
点（３５ａ）を開成して電磁弁（４）を閉弁するように
した。C31) is a misfire determination circuit, and when the circuit (31) is activated, the transistor 0 is turned on, the contact (35a) of the switch (to) is opened, and the solenoid valve (4) is closed.

また点火器（１９１ｔユスイツチ＜３４１の接点（３４
ａ）を介して整流回路（８）の直流端子に接続し、該ス
イッチｃ３４１はプリパージタイマ回路θｅの出力でト
ランジスタ（ハ）がオンになったとき接点（３４ａ）が
閉成するようにした。Also, the igniter (191t switch <341 contacts (34
The switch c341 is connected to the DC terminal of the rectifier circuit (8) through a), and the contact (34a) is closed when the transistor (c) is turned on by the output of the prepurge timer circuit θe. .

１ＪｔｉＪ　ｋよトランジスタ（２９）と並列に接続さ
れ、着火検知回路（２８）の出力によりオンになるトラ
ンジスタで、該トランジスタ（至）のオンにより電磁弁
（４）の開弁を着火後保持するようにした。1JtiJ k is a transistor connected in parallel with the transistor (29) and turned on by the output of the ignition detection circuit (28), so that when the transistor (to) is turned on, the solenoid valve (4) is kept open after ignition. I made it.

次に本発明の実権例の作動を説明する。Next, the operation of a practical example of the present invention will be explained.

メインスイッチ６カを投入すると、温度調節回路（２力
の出力によりトランジスタ（ハ）がオンし、グリバージ
タイマ回路ａ０が作動を開始する。該回路（Ｉｌｉｔの
出力により回転数指令回路（Ｊ５）が作動し、燃焼ファ
ン＋６１はグリパージに適した回転数で回転し、プリパ
ージが始まる。一定時間後にプリパージタイマ回路Ｑ６
１の出力は低レベルになシプリパージが終ｒするとトラ
ンジスタ（至）がオンになり、スイッチ０勺の接点（３
４ａ）が閉成して点火器ａ１が作動する。この点火器（
１１のスパークをスパーク検知回路が検知すると、温度
調節回路（２渇が高レベルの信号を出力しているので、
ＡＮＤゲート（２４Ｊヲ介してトランジスタ（至）がオ
ンになり比例弁＋２１が全開する。プリパージが終了す
ると、前記点火回転数設定回路ａηの出力にょシ燃貌フ
ァン（６）の駆動モータ（７）ハプリパージの回転数か
ら点火回転数まで低下する。点火回転数を点火回転数設
定回路賭で確認すると、トランジスタｃ！１がオンにな
りスイッチ（至）の接点（，５０ａ）が閉成爆れて電磁
弁ｔ４１が開弁する。ここで着火すると、熱電対Ｑ４１
の出力が上昇し、その出力が一定値以上になると着火検
知回路（至）が高レベルの信号を出力し、トランジスタ
（４０がオンになりタイマ翰が作動し計時を開始する。When the main switch 6 is turned on, the temperature control circuit (transistor (c) is turned on by the output of 2 power, and the griberge timer circuit a0 starts operating. The rotation speed command circuit (J5) is turned on by the output of this circuit (Ilit). operates, combustion fan +61 rotates at a rotation speed suitable for Gripurge, and prepurge begins.After a certain period of time, prepurge timer circuit Q6
The output of switch 1 becomes low level, and when the cipher purge is completed, the transistor (to) is turned on, and the contact of switch 0 (to) is turned on.
4a) is closed and igniter a1 is activated. This igniter (
When the spark detection circuit detects the spark of No. 11, the temperature control circuit (since No. 2 is outputting a high level signal,
The transistor (to) is turned on via the AND gate (24J) and the proportional valve +21 is fully opened. When the pre-purge is completed, the output of the ignition speed setting circuit aη is the drive motor (7) of the fuel fan (6). The rotation speed of the hap re purge decreases to the ignition rotation speed.When the ignition rotation speed is checked with the ignition rotation speed setting circuit bet, the transistor c!1 turns on and the contact point (50a) of the switch (to) closes and explodes. Solenoid valve t41 opens. When ignited here, thermocouple Q41
When the output increases and the output exceeds a certain value, the ignition detection circuit (40) outputs a high-level signal, the transistor (40) turns on, and the timer is activated to start measuring time.

設定時間例えば３２秒の間、タイマ四の出力によりトラ
ンジスタ（２つがオンになっているので、前記点火回転
数設定回路（団は作動を続ける。したがって熱電対α４
の出力が一冗値（例えば４　ｍｖ　）以上にならないと
き、すなわち着火等が行なわれないとき、設定時間の間
燃焼ファン（６）ハ点火回転数で回転を続け、設定時間
を超えてなお熱電対α滲の出力が一定値以」二にならな
い場合には、点火回転数設定回路Ｕηは不作動になり燃
焼ファン（６）は点火回転数以下になるから、焔はり７
ト気味となり熱電対α滲の起電力が低下しく例えば１７
ｍｖ）、失火判定回路Ｇυが作動してトランジスタｃ３
４がオンになり、スイッチ（ハ）の接点（３５ａ）が開
成され燃焼器の作動が停止する。該設定時間の間に熱電
対（１４１の電圧か−Ｖ値以上罠なり増幅回路（５）の
出力が前記点火回転数設定回路（ｌηの出力を超えたと
きは、増幅回路（２′０の出力すなわち熱電対ａ４の出
力に応じて燃焼ファン（６）は回転する。During the set time, e.g. 32 seconds, the output of the timer 4 turns on the transistors (2), so the ignition speed setting circuit (2) continues to operate. Therefore, the thermocouple α4
When the output of the combustion fan (6) does not exceed the redundant value (for example, 4 mv), that is, when ignition is not performed, the combustion fan (6) continues to rotate at the ignition speed for a set time, and continues to generate thermoelectric power even after the set time. If the output against α does not exceed a certain value, the ignition speed setting circuit Uη becomes inactive and the combustion fan (6) becomes below the ignition speed, so that the flame
For example, 17
mv), the misfire determination circuit Gυ is activated and the transistor c3
4 is turned on, the contact (35a) of the switch (c) is opened, and the operation of the combustor is stopped. If the voltage of the thermocouple (141) exceeds the -V value during the set time, and the output of the amplifier circuit (5) exceeds the output of the ignition rotation speed setting circuit (lη, the output of the amplifier circuit (2'0) The combustion fan (6) rotates according to the output, that is, the output of the thermocouple a4.

このように本発明によるときは、プリパージ俵点火器と
燃料供給手段である電磁弁が作動し点火動作をしたとき
、燃焼ファンを風量設定手段の出力により点火に適した
風量で駆動するようにしたから、従来のようにプリパー
ジの終了後、ガスリーンからガスリッチの状態になるこ
とがなく、そのため失火する恐れがない効果を有する。In this way, according to the present invention, when the pre-purge bale igniter and the electromagnetic valve serving as the fuel supply means operate to perform the ignition operation, the combustion fan is driven at an air volume suitable for ignition by the output of the air volume setting means. Therefore, unlike in the conventional case, the state does not change from gas lean to gas rich after completion of prepurge, and therefore there is no risk of misfire.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本発明の一実鴫例の概略的な線図、第２図は
第１図示のものの電気回路図を示す。 Ｉｌ＋・・・バーナ　（２１・・・比例弁　＋４１・・
・電磁弁　（６）・・・燃焼ファン　（７）・・・駆動
モータ　０υ・・・差動増幅回路（［３１・・・回転数
検知回路　（１４１・・・熱電対　（Ｉ５）・・・回転
数指令回路　（１６）・・・プリパージタイマ回路　ａ
Ｄ・・・点火回転数設定回路　Ｑ８１・・・点火回転数
確認回路０１・・・点火器　（２（１・・・温風用ファ
ン　（２２１・・・温度調節回路FIG. 1 shows a schematic diagram of an embodiment of the invention, and FIG. 2 shows an electrical circuit diagram of the embodiment shown in FIG. Il+...Burner (21...Proportional valve +41...
・Solenoid valve (6)... Combustion fan (7)... Drive motor 0υ... Differential amplifier circuit ([31... Rotation speed detection circuit (141... Thermocouple (I5)... Rotation speed command circuit (16)...Pre-purge timer circuit a
D...Ignition rotation speed setting circuit Q81...Ignition rotation speed confirmation circuit 01...Igniter (2(1...Warm air fan (221...Temperature adjustment circuit)

Claims (1)

【特許請求の範囲】[Claims] 燃焼検知素子の出力に応じた燃焼用空気をバーナに供給
する燃焼ファンを備え、プリパージの終了後点火器及び
燃料供給手段が作動するようにしたものにおいて、点火
に適した風量を設定する燃焼ファンの風′ｊｌ設定手段
を設け、点火動作時、燃焼ファンを該風景設定手段の出
力により駆動するようにしたことを特徴とする燃焼安全
装置。A combustion fan that sets an air volume suitable for ignition in a device that is equipped with a combustion fan that supplies combustion air to a burner according to the output of a combustion detection element, and in which an igniter and fuel supply means are activated after completion of pre-purging. A combustion safety device characterized in that a wind 'jl setting means is provided, and a combustion fan is driven by the output of the scenery setting means during ignition operation.
JP59024474A 1984-02-14 1984-02-14 Burning safety device Granted JPS60169014A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59024474A JPS60169014A (en) 1984-02-14 1984-02-14 Burning safety device
KR1019840006454A KR880000182B1 (en) 1984-02-14 1984-10-17 Safety device for combustion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59024474A JPS60169014A (en) 1984-02-14 1984-02-14 Burning safety device

Publications (2)

Publication Number Publication Date
JPS60169014A true JPS60169014A (en) 1985-09-02
JPH0381048B2 JPH0381048B2 (en) 1991-12-26

Family

ID=12139159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59024474A Granted JPS60169014A (en) 1984-02-14 1984-02-14 Burning safety device

Country Status (2)

Country Link
JP (1) JPS60169014A (en)
KR (1) KR880000182B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6484020A (en) * 1987-09-26 1989-03-29 Noritz Corp Combustion control device
EP0784190A1 (en) * 1996-01-12 1997-07-16 OCEAN IDROCLIMA S.p.A. Device for optimizing the efficiency of a gas-fired heat generator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050118675A (en) * 2003-03-10 2005-12-19 가부시키가이샤 리테크 Gas combustion-controlling method and gas combustion device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620690U (en) * 1979-07-24 1981-02-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620690U (en) * 1979-07-24 1981-02-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6484020A (en) * 1987-09-26 1989-03-29 Noritz Corp Combustion control device
EP0784190A1 (en) * 1996-01-12 1997-07-16 OCEAN IDROCLIMA S.p.A. Device for optimizing the efficiency of a gas-fired heat generator

Also Published As

Publication number Publication date
JPH0381048B2 (en) 1991-12-26
KR860003467A (en) 1986-05-26
KR880000182B1 (en) 1988-03-12

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