JPS621484B2 - - Google Patents
Info
- Publication number
- JPS621484B2 JPS621484B2 JP56107629A JP10762981A JPS621484B2 JP S621484 B2 JPS621484 B2 JP S621484B2 JP 56107629 A JP56107629 A JP 56107629A JP 10762981 A JP10762981 A JP 10762981A JP S621484 B2 JPS621484 B2 JP S621484B2
- Authority
- JP
- Japan
- Prior art keywords
- switch
- circuit
- transistor
- purge
- post
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/20—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays
- F23N5/203—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2227/00—Ignition or checking
- F23N2227/06—Postpurge
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Description
【発明の詳細な説明】
本発明はポストパージ機能を具備した燃焼器の
燃焼制御回路に関し、特にポストパージ時の再点
火操作時にはポストパージ機能を停止する事を目
的とする。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a combustion control circuit for a combustor equipped with a post-purge function, and in particular, an object of the present invention is to stop the post-purge function during a re-ignition operation during post-purge.
ストーブ等においては燃焼停止後における蓄熱
による器具の損傷防止等を目的として、消火操作
後に所定時間送風機を回転させるポストパージ回
路を設けている。而して上記ポストパージ回路を
備えたものでは、ポストパージ時に再点火操作を
行つてもポストパージ時間が経過しないと点火動
作しないものが多く、使い勝手が悪かつた。 Stoves and the like are equipped with a post-purge circuit that rotates a blower for a predetermined period of time after extinguishing a fire, in order to prevent equipment damage due to heat accumulation after combustion has stopped. However, in many of the devices equipped with the above-mentioned post-purge circuit, even if the re-ignition operation is performed during the post-purge, the ignition operation does not occur until the post-purge time has elapsed, making them inconvenient to use.
本発明は上記の点に鑑み成したもので、以下第
１図に基づき説明する。 The present invention has been made in view of the above points, and will be explained below based on FIG. 1.
１は商用電源で、第１スイツチ２を介して対流
用フアンモータ３、直流電源４等を接続してい
る。 1 is a commercial power source, to which a convection fan motor 3, a DC power source 4, etc. are connected via a first switch 2.
又直流電源４には第２スイツチ５、トランジス
タによるスイツチング素子６を介して前記第１ス
イツチ２の後段に接続された点火器７、電磁弁８
間にリレー接点９′，１０′を各々接続した第１リ
レーRy1９、第２リレーRy2１０を各々駆動用ト
ランジスタ１１，１２を介して直列接続してい
る。上記第１、第２スイツチ２，５は操作軸等の
回転に連動して開閉され、第１スイツチ２の閉開
後第２スイツチ５が閉じ、又第２スイツチ５の開
成後第１スイツチ２が開く様に構成している。 Further, the DC power source 4 includes a second switch 5, an igniter 7 connected to the downstream side of the first switch 2 via a switching element 6 including a transistor, and a solenoid valve 8.
A first relay Ry 1 9 and a second relay Ry 2 10 with relay contacts 9' and 10' connected therebetween are connected in series via drive transistors 11 and 12, respectively. The first and second switches 2 and 5 are opened and closed in conjunction with the rotation of the operating shaft, etc. After the first switch 2 is closed and opened, the second switch 5 is closed, and after the second switch 5 is opened, the first switch 2 is closed. It is configured so that it opens.
１３は上記第１、第２リレー９，１０等に並列
接続したトランジスタ１４，１５の相互接続によ
るサイリスタ等価回路に近い回路からなる第１リ
セツト回路で、トランジスタ１５のベースを前記
駆動用トランジスタ１２のベースに接続してい
る。 Reference numeral 13 designates a first reset circuit consisting of a circuit similar to a thyristor equivalent circuit formed by interconnecting transistors 14 and 15 connected in parallel to the first and second relays 9 and 10, etc., and the base of the transistor 15 is connected to the drive transistor 12. connected to the base.
前記第２スイツチ５とスイツチング素子６間に
は炎検出回路１６、プリパージタイマ１７、安全
タイマ１８、強制点火タイマ１９を設け、炎検出
回路１６の出力はトランジスタ２０のベースを駆
動用トランジスタ１２のベースに抵抗２１を介し
て接続したトランジスタ２２のベース並びにダイ
オード２３を介して第１リセツト回路１３のトラ
ンジスタ１４のコレクタに接続し、かつ前記トラ
ンジスタ２０のコレクタは安全タイマ１８の入力
側並びに第１リセツト回路１３のトランジスタ１
５のコレクタに接続している。又安全タイマ１８
の出力は前記スイツチング素子６のベースに接続
していると共に、このベースをベースをプリパー
ジタイマ１７の出力に接続したトランジスタ２４
のコレクタに接続している。強制点火タイマ１９
の出力は前記駆動用トランジスタ１１のベースに
接続している。 A flame detection circuit 16, a prepurge timer 17, a safety timer 18, and a forced ignition timer 19 are provided between the second switch 5 and the switching element 6, and the output of the flame detection circuit 16 connects the base of the transistor 20 to the drive transistor 12. The base of a transistor 22 is connected to the base through a resistor 21 and the collector of a transistor 14 of the first reset circuit 13 is connected through a diode 23, and the collector of the transistor 20 is connected to the input side of the safety timer 18 and the first reset circuit. Transistor 1 of circuit 13
5 collector. Also safety timer 18
The output of the transistor 24 is connected to the base of the switching element 6, and the base of the transistor 24 is connected to the output of the prepurge timer 17.
is connected to the collector of Forced ignition timer 19
The output of is connected to the base of the driving transistor 11.
而して第１、第２スイツチ２，５の閉成後には
プリパージタイマ１７のハイ出力にてトランジス
タ２４をオンしてスイツチング素子６をオフしプ
リパージを行う。プリパージ時間が経過するとプ
リパージタイマ１７の出力がローとなりトランジ
スタ２４をオフしてスイツチング素子６をオンす
る。これにより強制点火タイマ１９が作動しこれ
のハイ出力にて駆動用トランジスタ１１がオンし
第１、第２リレーRy1，Ry2，９，１０に通電す
る。強制点火タイマ１９の所定時間経過によるロ
ー出力にてトランジスタ１１はオフし第１リレー
Ry1９への通電は停止するが、着火による炎検出
回路１６のロー出力にてトランジスタ２２はオフ
し、これによるトランジスタ１２のオンにて第２
リレーRy2１０への通電は継続される。そして炎
検出回路１６のロー出力にて第１リセツト回路１
３のトランジスタ１４，１５をオンしてこれをセ
ツトし、安全タイマー１８の入力をローにしこれ
の作動を停止している。 After the first and second switches 2 and 5 are closed, the high output of the prepurge timer 17 turns on the transistor 24 and turns off the switching element 6 to perform prepurge. When the prepurge time has elapsed, the output of the prepurge timer 17 becomes low, turning off the transistor 24 and turning on the switching element 6. As a result, the forced ignition timer 19 operates, and its high output turns on the driving transistor 11, energizing the first and second relays Ry 1 , Ry 2 , 9, and 10. When the forced ignition timer 19 outputs a low signal after a predetermined period of time has elapsed, the transistor 11 is turned off and the first relay is turned off.
Although the power supply to Ry 1 9 is stopped, the transistor 22 is turned off by the low output of the flame detection circuit 16 due to ignition, and the transistor 12 is turned on by this, and the second
The relay Ry 2 10 continues to be energized. Then, at the low output of the flame detection circuit 16, the first reset circuit 1 is activated.
The transistors 14 and 15 of No. 3 are turned on to set them, and the input of the safety timer 18 is made low to stop its operation.
更に前記第２スイツチ５の前段には駆動用トラ
ンジスタ２５を直列接続したポストパージリレー
Ry3２６ポストパージタイマ２７等から成るポス
トパージ回路２８と、前記第１リセツト回路１３
と同様な回路構成にトランジスタ２９，３０，３
１，３２を相互接続して成る第２リセツト回路３
３及び異常リセツト回路３４とを各々接続してい
る。そしてポストパージタイマ２７はその出力を
コレクタをダイオード３５を介して駆動用トラン
ジスタ２５のベースに接続したトランジスタ３６
のベースに接続していると共に、入力３７をベー
スを第２スイツチ５の後段に接続した電圧検出用
トランジスタ３８のコレクタにダイオード３９を
介して接続している。前記電圧検出用トランジス
タ３８のコレクタはダイオード４０を介して第２
リセツト回路３３のトランジスタ２９のコレクタ
に接続している。又このトランジスタ２９のコレ
クタはダイオード４１を介して異常リセツト回路
３４のトランジスタ３２のコレクタに接続してい
る。このコレクタは又コレクタをダイオード４２
を介してスイツチング素子６のベースに接続し、
かつベースを第１リセツト回路１３のトランジス
タ１４のコレクタ並びに炎検出回路１６のダイオ
ード２３を介した出力に接続した失火用トランジ
スタ４３のコレクタに接続している。４４はコレ
クタを第２リセツト回路３３のトランジスタ３０
のベース並びにダイオード４５，２３を介して炎
検出回路１６の出力に接続し、かつベースをプリ
パージタイマ１７の出力に接続したセツト禁止用
トランジスタで、プリパージ時にオンしてトラン
ジスタ３０をオフし該時における第２リセツト回
路３３のセツトを禁止する。異常リセツト回路３
４のトランジスタ３１のエミツタには警報用のブ
ザー４６を接続している。 Furthermore, a post purge relay in which a driving transistor 25 is connected in series is provided before the second switch 5.
A post purge circuit 28 consisting of a Ry 3 26 post purge timer 27 and the like, and the first reset circuit 13
Transistors 29, 30, 3 in the same circuit configuration as
1 and 32 are interconnected.
3 and an abnormality reset circuit 34, respectively. The post-purge timer 27 has its output connected to a transistor 36 whose collector is connected to the base of the driving transistor 25 via a diode 35.
The input 37 is connected via a diode 39 to the collector of a voltage detection transistor 38 whose base is connected to the rear stage of the second switch 5. The collector of the voltage detection transistor 38 is connected to the second transistor via a diode 40.
It is connected to the collector of the transistor 29 of the reset circuit 33. The collector of this transistor 29 is connected to the collector of a transistor 32 of an abnormality reset circuit 34 via a diode 41. This collector also has a diode 42
connected to the base of the switching element 6 via
The base of the misfire transistor 43 is connected to the collector of the transistor 14 of the first reset circuit 13 and to the output of the flame detection circuit 16 via the diode 23. 44, the collector of which is connected to the transistor 30 of the second reset circuit 33;
This transistor is connected to the output of the flame detection circuit 16 through the base and diodes 45 and 23, and the base is connected to the output of the pre-purge timer 17, and is turned on during prepurge to turn off the transistor 30 at that time. The setting of the second reset circuit 33 is prohibited. Abnormal reset circuit 3
An alarm buzzer 46 is connected to the emitter of the transistor 31 of No. 4.
従つて第２スイツチ５の閉成後におけるプリパ
ージ時には、プリパージタイマ１７のハイ出力に
てセツテ禁止用トランジスタ４４がオンして第２
リセツト回路３３のセツトを禁止する。プリパー
ジ時間が経過してプリパージタイマ１７の出力が
ローになり、かつバーナに着火されて炎検出回路
１６の出力がローの場合には上述の第１リセツト
回路１３のセツトに伴ない第２リセツト回路３３
のトランジスタ２９，３０がオンしてセツトされ
る。これにより第２リセツト回路３３より駆動用
トランジスタ２５へバイアス電流が流れるが、電
圧検出用トランジスタ３８もオンしているのでダ
イオード４２を介して上記バイアス電流は側路さ
れる。一方上記状態にて第２スイツチ５が開かれ
ると、電圧検出用トランジスタ３８がオフとなり
駆動用トランジスタ２５がオンしてポストパージ
用リレーRy3２６に通電され、第１スイツチ２に
並列接続したその接点２６′を閉じると共にポス
トパージタイマ２７が作動を開始する。 Therefore, during prepurge after closing the second switch 5, the setting prohibition transistor 44 is turned on by the high output of the prepurge timer 17, and the second switch 5 is closed.
Setting of the reset circuit 33 is prohibited. When the pre-purge time has elapsed and the output of the pre-purge timer 17 becomes low, and the burner is ignited and the output of the flame detection circuit 16 is low, the second reset is performed in accordance with the setting of the first reset circuit 13 described above. circuit 33
The transistors 29 and 30 are turned on and set. As a result, a bias current flows from the second reset circuit 33 to the drive transistor 25, but since the voltage detection transistor 38 is also turned on, the bias current is bypassed via the diode 42. On the other hand, when the second switch 5 is opened in the above state, the voltage detection transistor 38 is turned off, the driving transistor 25 is turned on, and the post-purge relay Ry 3 26 is energized. Upon closing the contact 26', the post purge timer 27 starts operating.
更に上記ポストパージ中に第１、第２スイツチ
２，５が閉じられて再点火操作が行われると、第
２スイツチ５の閉成に伴ない電圧検出用トランジ
スタ３８がオンしてポストパージタイマ２７の入
力３７をローにしこれをリセツト操作する。他の
炎検出回路１６、プリパージタイマ１７、等は第
２スイツチ５の開成によつてイニシヤルリセツト
されているので、第２スイツチ５の閉成に伴ない
所定のシーケンス動作を行う。 Furthermore, when the first and second switches 2 and 5 are closed during the post-purge to perform a re-ignition operation, the voltage detection transistor 38 is turned on as the second switch 5 is closed, and the post-purge timer 27 is turned on. The input 37 of the circuit is set low to reset it. Since the other flame detection circuits 16, pre-purge timer 17, etc. have been initialized by opening the second switch 5, they perform a predetermined sequence of operations when the second switch 5 is closed.
又失火時には炎検出回路１６の出力がハイにな
り、これによつて失火用トランジスタ４３がオン
し異常リセツト回路３４のトランジスタ３２及び
スイツチング素子６をオフして異常リセツト回路
３４をセツトし、ブザー４６を作動すると共に第
１、第２リレー９，１０への通電を停止する。そ
して失火用トランジスタ４３のオンによつてダイ
オード４１を介してトランジスタ２５のバイアス
を阻止し、これによつてポストパージ用リレー２
６をオフする。 Further, in the event of a misfire, the output of the flame detection circuit 16 becomes high, which turns on the misfire transistor 43, turns off the transistor 32 and switching element 6 of the abnormality reset circuit 34, sets the abnormality reset circuit 34, and turns on the buzzer 46. is activated, and the energization to the first and second relays 9 and 10 is stopped. Then, by turning on the misfire transistor 43, biasing of the transistor 25 is blocked via the diode 41, and thereby the post-purge relay 2 is turned on.
Turn off 6.
第２図は上記回路のタイムチヤートで各々の接
点又は回路の出力レベルに相対しており、従つて
点火操作時には第１、第２スイツチ２，５が順次
閉成され、これによつてプリパージ回路１７が作
動して安全タイマ１８、強制点火タイマ１９の出
力を無効にしてプリパージ動作が行なわれる。バ
ーナに着火されると炎検出回路１６の出力がロー
となり安全タイマ１８の出力をハイに保持すると
共に強制点火タイマ１９の終了に拘わらず第２リ
レー１０に通電して電磁弁８を開き続け定常運転
に入る。途中失火の場合には炎検出回路１６の出
力がハイとなり、安全タイマ１８の出力をローに
して第２リレー１０への通電を停止し第１、第２
スイツチ２，５が開かれる迄この状態を継続す
る。定常運転時に第１、第２スイツチ２，５が開
かれて停止操作が行われた場合には第１、第２ス
イツチ２，５が順次開かれて安全タイマ１８、炎
検出回路１６等への通電が停止されると共にポス
トパージタイマ２７が作動してポストパージリレ
ー２６に通電されポストパージが行なわれる。そ
してこのポストパージ中に第１、第２スイツチ
２，５が閉じられて再点火操作が行われると第２
スイツチ５の閉成と同時にポストパージリレー２
６への通電が停止され所定の点火動作が行われ
る。 FIG. 2 is a time chart of the above circuit, which is relative to the output level of each contact or circuit. Therefore, during ignition operation, the first and second switches 2 and 5 are closed in sequence, thereby controlling the pre-purge circuit. 17 is activated, the outputs of the safety timer 18 and the forced ignition timer 19 are invalidated, and a pre-purge operation is performed. When the burner is ignited, the output of the flame detection circuit 16 becomes low and the output of the safety timer 18 is kept high, and the second relay 10 is energized to keep the solenoid valve 8 open and steady regardless of the forced ignition timer 19 ending. Start driving. In the case of a misfire during the process, the output of the flame detection circuit 16 goes high, the output of the safety timer 18 goes low, and the energization to the second relay 10 is stopped, and the first and second
This state continues until switches 2 and 5 are opened. When the first and second switches 2 and 5 are opened during steady operation and a stop operation is performed, the first and second switches 2 and 5 are opened in sequence to control the safety timer 18, flame detection circuit 16, etc. At the same time as the energization is stopped, the post purge timer 27 is activated and the post purge relay 26 is energized to perform post purge. During this post purge, when the first and second switches 2 and 5 are closed and a re-ignition operation is performed, the second
Post purge relay 2 at the same time as switch 5 is closed.
6 is stopped, and a predetermined ignition operation is performed.
上記の様に本発明による燃焼制御装置は、ポス
トパージ用リレー接点を並列接続した第１スイツ
チの後段に、燃焼器の点滅制御を行なう点火器、
電磁弁、炎検出回路並びにフアンモータ等を接続
すると共に、第１スイツチの後段に第２スイツチ
を直列接続し、かつこの第１スイツチと第２スイ
ツチとの間にポストパージ用リレー接点を制御す
るポストパージ回路を構成し、又第２スイツチの
後段にポストパージ時第２スイツチがオンされた
時にポストパージ回路にこれのリセツト用信号を
出力するリセツト回路を設けてなるもので、ポス
トパージ中に再点火操作を行つた場合ポストパー
ジ回路の作動を停止し、ポストパージを行わせな
いことで即所定の点火動作が行え、非常に使い勝
手を良くできる。 As described above, the combustion control device according to the present invention includes an igniter that controls blinking of the combustor, and an igniter that controls blinking of the combustor, and
A solenoid valve, a flame detection circuit, a fan motor, etc. are connected, and a second switch is connected in series after the first switch, and a post-purge relay contact is controlled between the first switch and the second switch. This circuit constitutes a post-purge circuit, and is provided with a reset circuit downstream of the second switch that outputs a reset signal to the post-purge circuit when the second switch is turned on during post-purge. When a re-ignition operation is performed, the operation of the post-purge circuit is stopped, and by not performing a post-purge, the predetermined ignition operation can be performed immediately, making it extremely easy to use.
第１図は本発明による燃焼制御回路の回路図、
第２図は同じくタイムチヤートである。
２……第１スイツチ、５……第２スイツチ、１
３……第１リセツト回路、１６……炎検出回路、
２８……ポストパージ回路、３３……第２リセツ
ト回路、３４……異常リセツト回路。
FIG. 1 is a circuit diagram of a combustion control circuit according to the present invention;
Figure 2 is also a time chart. 2...First switch, 5...Second switch, 1
3...first reset circuit, 16...flame detection circuit,
28... Post purge circuit, 33... Second reset circuit, 34... Abnormality reset circuit.
Claims (1)
１スイツチの後段に、燃焼器の点滅制御を行なう
点火器、電磁弁、炎検出回路並びにフアンモータ
等を接続すると共に、前記第１スイツチの後段に
第２スイツチを直列接続し、かつこの第１スイツ
チと第２スイツチとの間に前記ポストパージ用リ
レー接点を制御するポストパージ回路を構成し、
又上記第２スイツチの後段にポストパージ時第２
スイツチがオンされた時に前記ポストパージ回路
にこれのリセツト用信号を出力するリセツト回路
を設けて成る燃焼制御回路。1. An igniter for controlling flashing of the combustor, a solenoid valve, a flame detection circuit, a fan motor, etc. are connected to the rear of the first switch in which post-purge relay contacts are connected in parallel, and a second switch is connected to the rear of the first switch. Two switches are connected in series, and a post purge circuit is configured between the first switch and the second switch to control the post purge relay contact,
Also, a second switch is installed after the second switch at the time of post purge.
A combustion control circuit comprising a reset circuit that outputs a reset signal to the post purge circuit when a switch is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56107629A JPS588919A (en) | 1981-07-09 | 1981-07-09 | Combustion control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56107629A JPS588919A (en) | 1981-07-09 | 1981-07-09 | Combustion control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS588919A JPS588919A (en) | 1983-01-19 |
| JPS621484B2 true JPS621484B2 (en) | 1987-01-13 |
Family
ID=14464024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56107629A Granted JPS588919A (en) | 1981-07-09 | 1981-07-09 | Combustion control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS588919A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240160341A (en) | 2023-05-02 | 2024-11-11 | 세메스 주식회사 | Gas supplying apparatus, gas supplying method, and substrate processing appartus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5611776Y2 (en) * | 1977-06-24 | 1981-03-17 | ||
| JPS55122067U (en) * | 1979-02-21 | 1980-08-29 |
-
1981
- 1981-07-09 JP JP56107629A patent/JPS588919A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240160341A (en) | 2023-05-02 | 2024-11-11 | 세메스 주식회사 | Gas supplying apparatus, gas supplying method, and substrate processing appartus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS588919A (en) | 1983-01-19 |
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