JPH0245637Y2 - - Google Patents
Info
- Publication number
- JPH0245637Y2 JPH0245637Y2 JP1982075679U JP7567982U JPH0245637Y2 JP H0245637 Y2 JPH0245637 Y2 JP H0245637Y2 JP 1982075679 U JP1982075679 U JP 1982075679U JP 7567982 U JP7567982 U JP 7567982U JP H0245637 Y2 JPH0245637 Y2 JP H0245637Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- combustor
- abnormality
- power
- oscillation
- 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
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
- F23N5/245—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electrical or electromechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
- Audible And Visible Signals (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、燃焼器における失火その他の異常を
表示する異常表示装置に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an abnormality display device that displays misfires and other abnormalities in a combustor.
（従来の技術）
従来、燃焼器においては、電源スイツチの閉成
で点灯される電源ランプとは別に常時に点灯或い
は点滅される異常表示ランプを設けて異常を表示
するを一般とする。(Prior Art) Conventionally, in a combustor, in addition to a power lamp that is turned on when a power switch is closed, an abnormality indicator lamp that is constantly lit or blinking is generally provided to indicate an abnormality.
（考案が解決しようとする課題）
したがつて、上記従来のものは、別に異常表示
ランプを設ける分だけ、部品点数が増し、配線作
業も面倒となる不都合を伴なう。(Problems to be Solved by the Invention) Therefore, the conventional device described above has the disadvantages that the number of parts increases due to the provision of a separate abnormality indicator lamp, and the wiring work is also troublesome.
（課題を解決するための手段）
本考案は、電源ランプを異常表示ランプとして
兼用し、部品点数を減少して上記従来のものの不
都合を解消した装置を提供することをその目的と
するもので、燃焼器の電源スイツチ１と電源ラン
プ２とスイツチング素子５との直列接続回路１９
と、発振回路３と、該燃焼器の異常を検知する異
常検知回路４と、該異常検知回路４からの検知信
号により該電源スイツチ１を該燃焼器の負荷回路
１２に接続する側から該電源スイツチ１を該発振
回路６に接続する側に切換わる切換スイツチ１５
とを備え、該燃焼器の正常時には該発振回路３か
らの不作動信号により該スイツチング素子５を継
続的に導通させて該電源ランプ２を点灯させ、異
常時には該発振回路３からの発振作動信号により
該スイツチング素子５を断続的に導通させて該電
源ランプ２を点滅させるようにしたことを特徴と
する。(Means for Solving the Problems) The object of the present invention is to provide a device in which the power lamp is also used as an abnormality indicator lamp, the number of parts is reduced, and the disadvantages of the above-mentioned conventional devices are eliminated. Series connection circuit 19 of combustor power switch 1, power lamp 2, and switching element 5
, an oscillation circuit 3, an abnormality detection circuit 4 that detects an abnormality in the combustor, and a detection signal from the abnormality detection circuit 4 that connects the power switch 1 to the load circuit 12 of the combustor. A changeover switch 15 that connects the switch 1 to the oscillation circuit 6
When the combustor is normal, the switching element 5 is continuously made conductive by the inactivation signal from the oscillation circuit 3 to light the power lamp 2, and when the combustor is abnormal, the oscillation activation signal is sent from the oscillation circuit 3. The present invention is characterized in that the switching element 5 is intermittently made conductive to cause the power lamp 2 to blink.
（作用）
本考案は上記構成によるもので、これによれ
ば、電源スイツチ１の閉成時、燃焼器に異常がな
ければ、切換スイツチ１５は負荷回路１２側に接
続されて該負荷回路１２への通電が行なわれると
共に、発振回路３からの不作動信号によりスイツ
チング素子５は継続的に導通して電源ランプ２の
点灯が与えられる。(Function) The present invention has the above configuration. According to this, when the power switch 1 is closed, if there is no abnormality in the combustor, the changeover switch 15 is connected to the load circuit 12 side and the changeover switch 15 is connected to the load circuit 12. At the same time, the switching element 5 is continuously turned on by the inactivation signal from the oscillation circuit 3, and the power lamp 2 is turned on.
次いで失火等の異常を生ずると、異常検知回路
４からの検知出力により切換スイツチ１５は発振
回路３側に切換接続されて該発振回路３からの発
振作動信号によりスイツチング素子５は断続的に
導通して電動ランプ２の点滅が与えられる。 Next, when an abnormality such as a misfire occurs, the changeover switch 15 is switched to the oscillation circuit 3 side by the detection output from the abnormality detection circuit 4, and the switching element 5 is intermittently made conductive by the oscillation activation signal from the oscillation circuit 3. This causes the electric lamp 2 to blink.
（実施例）
次に本考案の実施例を図面に基づいて説明す
る。(Example) Next, an example of the present invention will be described based on the drawings.
図示の実施例の異常表示装置は、燃焼器の電源
スイツチ１と電源ランプ２とスイツチング素子た
るトランジスタ５との直列接続回路１９と、発振
回路３と、該燃焼器の異常を検知する異常検知回
路４と、該異常検知回路４からの検知信号により
該電源スイツチ１を該燃焼器の負荷回路１２に接
続する側から該電源スイツチ１を該発振回路３に
接続する側に切換わる切換スイツチたるリレース
イツチ１５とを備え、該燃焼器の正常時には該発
振回路３からの不作動信号により該トランジスタ
５を継続的に導通させて該電源ランプ２を点灯さ
せ、異常時には該発振回路３からの発振作動信号
により該トランジスタ５を断続的に導通させて該
電源ランプ２を点滅させるようにしたものであ
る。 The abnormality display device of the illustrated embodiment includes a series connection circuit 19 of a combustor power switch 1, a power lamp 2, and a transistor 5 as a switching element, an oscillation circuit 3, and an abnormality detection circuit for detecting an abnormality in the combustor. 4, and a relay serving as a changeover switch that switches from the side where the power switch 1 is connected to the load circuit 12 of the combustor to the side where the power switch 1 is connected to the oscillation circuit 3 in response to a detection signal from the abnormality detection circuit 4. When the combustor is normal, the transistor 5 is continuously turned on and the power lamp 2 is lit by the inactivation signal from the oscillation circuit 3, and when the combustor is abnormal, the oscillation circuit 3 activates the oscillation. The transistor 5 is intermittently made conductive by a signal to cause the power lamp 2 to blink.
該発振回路３は、該トランジスタ５のベースに
出力端子が接続される比較器６と、該比較器６の
「＋」入力端子に基準電圧を入力する分圧回路７
と、その「−」入力端子に充電電圧を入力する第
１コンデンサ８と、該電源スイツチ１に連なる該
第１コンデンサ８の充電回路９と、該比較器６の
出力側に連なる該第１コンデンサ８の放電回路１
０と、該第１コンデンサ８の充電を制御する充電
制御回路１１とで構成され、該充電制御回路１１
と燃焼器の負荷回路１２とを前記した異常検知回
路４の検知信号でトランジスタ１３を介して導通
されるリレー１４の前記リレースイツチ１５を介
して選択的に該電源スイツチ１に続するものとし
た。 The oscillation circuit 3 includes a comparator 6 whose output terminal is connected to the base of the transistor 5, and a voltage divider circuit 7 which inputs a reference voltage to the "+" input terminal of the comparator 6.
, a first capacitor 8 that inputs a charging voltage to its "-" input terminal, a charging circuit 9 for the first capacitor 8 connected to the power switch 1, and a first capacitor connected to the output side of the comparator 6. 8 discharge circuit 1
0, and a charging control circuit 11 that controls charging of the first capacitor 8, and the charging control circuit 11
and the load circuit 12 of the combustor are selectively connected to the power switch 1 via the relay switch 15 of the relay 14 which is turned on via the transistor 13 in response to the detection signal of the abnormality detection circuit 4. .
該充電制御回路１１は、該第１コンデンサ８側
からの放電を許容するダイオード１６を介して該
第１コンデンサ８に並列接続した放電用の抵抗１
７とこれに並列の安定用の第２コンデンサ１８と
を備える。 The charging control circuit 11 includes a discharging resistor 1 connected in parallel to the first capacitor 8 via a diode 16 that allows discharge from the first capacitor 8 side.
7 and a second stabilizing capacitor 18 in parallel thereto.
次いでその作動を説明するに、電源スイツチ１
の閉成時、異常がなければ、リレースイツチ１５
は負荷回路１２側に接続されて該負荷回路１２へ
の通電が行なわれると共に、充電回路９を介して
第１コンデンサ８への充電が行なわれるが、この
場合、充電制御回路１１の抵抗１７を介しての放
電で、該第１コンデンサ８の充電電圧は比較器６
の「＋」入力端子に入力される基準電圧より低く
保持され、かくて該比較器６の出力側にはハイレ
ベルの出力が得られて、トランジスタ５の導通、
従つてこれによる電源ランプ２の点灯が与えられ
る。 Next, to explain its operation, power switch 1
When closing, if there is no abnormality, relay switch 15
is connected to the load circuit 12 side, and the load circuit 12 is energized, and the first capacitor 8 is charged via the charging circuit 9. In this case, the resistor 17 of the charging control circuit 11 is The charging voltage of the first capacitor 8 is discharged through the comparator 6.
is maintained lower than the reference voltage input to the "+" input terminal of the comparator 6, and thus a high level output is obtained on the output side of the comparator 6, and the transistor 5 becomes conductive.
Therefore, the power lamp 2 is turned on by this.
次いで失火等の異常を生ずると、異常検知回路
４からの検知出力によるリレー１４の通電でリレ
ースイツチ１５が充電制御回路１１側に切換えら
れ、負荷回路１２への通電が断たれて、発振回路
３の発振作動が与えられるもので、これを詳述す
るに、該制御回路１１のリレースイツチ１５から
の通電によれば、ダイオード１６の該制御回路１
１側の電圧は電源電圧まで上昇され、第１コンデ
ンサ８からの放電が停止されて、その充電電圧が
充電回路９を介してその充電で上昇され、これが
基準電圧を越えると比較器６の出力がローレベル
になり、トランジスタ５が非導通となつて電源ラ
ンプ２が滅灯され、同時に該第１コンデンサ８の
放電回路１０による該比較器６の出力側への放電
が行なわれ、その充電電圧の低下を生じてこれが
基準電圧を下回ると該比較器６の出力が再度ハイ
レベルに反転してトランジスタ５の導通による電
源ランプ２の点灯が与えられ、同時に放電回路１
０による放電が停止されて、該第１コンデンサ８
の充電電圧の再度の上昇を生じ、その繰返しで該
電源ランプ２の点滅が与えられる。 Next, when an abnormality such as a misfire occurs, the relay 14 is energized by the detection output from the abnormality detection circuit 4, and the relay switch 15 is switched to the charge control circuit 11 side, and the load circuit 12 is de-energized, and the oscillation circuit 3 To explain this in detail, when the relay switch 15 of the control circuit 11 is energized, the diode 16 of the control circuit 1
The voltage on the first side is increased to the power supply voltage, the discharge from the first capacitor 8 is stopped, and the charging voltage is increased by the charging through the charging circuit 9, and when this exceeds the reference voltage, the output of the comparator 6 becomes a low level, the transistor 5 becomes non-conductive, the power lamp 2 is turned off, and at the same time, the first capacitor 8 is discharged to the output side of the comparator 6 by the discharge circuit 10, and its charging voltage increases. When the voltage decreases and becomes lower than the reference voltage, the output of the comparator 6 is inverted again to high level, and the power lamp 2 is turned on by the conduction of the transistor 5, and at the same time, the discharge circuit 1 is turned on.
0 is stopped, and the first capacitor 8
The charging voltage rises again, and this repetition causes the power lamp 2 to blink.
（考案の効果）
このように本考案によるときは、異常時、切換
スイツチの負荷回路１２側から発振回路３側への
切換わりによる発振回路３からの発振作動信号に
よりスイツチング素子５を断続的に導通させて、
これに直列の電源ランプ２を点滅させ、異常の発
生を表示するようにしたので、構成が簡単な異常
表示装置を提供でき、さらに別個の異常表示ラン
プが不要となり、その分部品点数を少なくして配
線作業の簡略化を図ることができると共に、負荷
回路１２の通電が断たれるので、安全性が向上さ
れる効果を有する。(Effect of the invention) According to the invention, when an abnormality occurs, the switching element 5 is intermittently activated by the oscillation activation signal from the oscillation circuit 3 by switching from the load circuit 12 side of the changeover switch to the oscillation circuit 3 side. Make it conductive,
Since the power supply lamp 2 connected in series with this is made to blink to indicate the occurrence of an error, it is possible to provide an error display device with a simple configuration, and furthermore, a separate error indicator lamp is not required, which reduces the number of parts. This not only simplifies the wiring work, but also improves safety because the load circuit 12 is de-energized.
図面は本案装置の１例の回路図である。
１……電源スイツチ、２……電源ランプ、３…
…発振回路、４……異常検知回路、５……トラン
ジスタ（スイツチング素子）、１２……負荷回路、
１５……リレースイツチ（切換スイツチ）。
The drawing is a circuit diagram of an example of the present device. 1...Power switch, 2...Power lamp, 3...
...Oscillation circuit, 4...Abnormality detection circuit, 5...Transistor (switching element), 12...Load circuit,
15... Relay switch (changeover switch).
Claims (1)
ツチング素子５との直列接続回路１９と、発振回
路３と、該燃焼器の異常を検知する異常検知回路
４と、該異常検知回路４からの検知信号により該
電源スイツチ１を該燃焼器の負荷回路１２に接続
する側から該電源スイツチ１を該発振回路６に接
続する側に切換わる切換スイツチ１５とを備え、
該燃焼器の正常時には該発振回路３からの不作動
信号により該スイツチング素子５を継続的に導通
させて該電源ランプ２を点灯させ、異常時には該
発振回路３からの発振作動信号により該スイツチ
ング素子５を断続的に導通させて該電源ランプ２
を点滅させるようにしたことを特徴とする燃焼器
の異常表示装置。 A series connection circuit 19 of the combustor power switch 1, power lamp 2, and switching element 5, an oscillation circuit 3, an abnormality detection circuit 4 for detecting an abnormality in the combustor, and a detection signal from the abnormality detection circuit 4. and a changeover switch 15 that switches from the side where the power switch 1 is connected to the load circuit 12 of the combustor to the side where the power switch 1 is connected to the oscillation circuit 6,
When the combustor is normal, the switching element 5 is continuously turned on by the inactivation signal from the oscillation circuit 3, and the power lamp 2 is turned on.When the combustor is abnormal, the oscillation activation signal from the oscillation circuit 3 causes the switching element 5 to be turned on. 5 intermittently conducts the power lamp 2.
An abnormality display device for a combustor, characterized by blinking.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982075679U JPS58181157U (en) | 1982-05-25 | 1982-05-25 | Combustor abnormality display device |
| KR2019830004587U KR870001850Y1 (en) | 1982-05-25 | 1983-05-25 | Combustion abnormality indication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982075679U JPS58181157U (en) | 1982-05-25 | 1982-05-25 | Combustor abnormality display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58181157U JPS58181157U (en) | 1983-12-03 |
| JPH0245637Y2 true JPH0245637Y2 (en) | 1990-12-03 |
Family
ID=30085026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982075679U Granted JPS58181157U (en) | 1982-05-25 | 1982-05-25 | Combustor abnormality display device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS58181157U (en) |
| KR (1) | KR870001850Y1 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54156229A (en) * | 1978-05-30 | 1979-12-10 | Sanyo Electric Co Ltd | Combustor operation indicator |
-
1982
- 1982-05-25 JP JP1982075679U patent/JPS58181157U/en active Granted
-
1983
- 1983-05-25 KR KR2019830004587U patent/KR870001850Y1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR870001850Y1 (en) | 1987-05-16 |
| JPS58181157U (en) | 1983-12-03 |
| KR840006353U (en) | 1984-12-03 |
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