JP2521257B2 - Combustor control device - Google Patents
Combustor control deviceInfo
- Publication number
- JP2521257B2 JP2521257B2 JP61047673A JP4767386A JP2521257B2 JP 2521257 B2 JP2521257 B2 JP 2521257B2 JP 61047673 A JP61047673 A JP 61047673A JP 4767386 A JP4767386 A JP 4767386A JP 2521257 B2 JP2521257 B2 JP 2521257B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- control device
- room temperature
- time
- set temperature
- 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
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 programme acting through electrical means, e.g. using time-delay relays
- F23N5/203—Systems for controlling combustion with a time programme 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
- 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
- F23N2225/00—Measuring
- F23N2225/08—Measuring temperature
- F23N2225/12—Measuring temperature room temperature
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】 〔産業上の利用分野〕 この発明は、温風暖房機等の燃焼機の運転を制御する
燃焼機の制御装置に関するものである。TECHNICAL FIELD The present invention relates to a combustor control device for controlling the operation of a combustor such as a hot air heater.
一般に温風暖房機は、長時間換気しなかったり、ある
いはエアーフィルターにゴミがつまって、燃焼用の空気
が不足すると、酸欠防止のため、自動的に運転を停止す
る不完全燃焼防止装置を備えており、この不完全燃焼防
止装置により使用者の安全性が確保されている。Generally, hot air heaters have an incomplete combustion prevention device that automatically stops operation to prevent oxygen deficiency when there is insufficient air for combustion due to lack of ventilation for a long time or dust in the air filter. The incomplete combustion prevention device ensures the safety of the user.
しかし、上記のような不完全燃焼防止装置を備えてい
ても、最近の建築住宅においては密閉構造に近いため
に、長時間部屋への出入りが一度もなく締め切った状態
で運転したり、あるいは、運転中に使用者が寝入ってし
まったりすると、部屋の空気がまったく換気されない状
態になり、空気中の一酸化炭素COや二酸化窒素NO2の含
有量が増大して、この含有量が規格で定められていた値
以下であれば、上記不完全燃焼装置は作動しない。However, even if it is equipped with the incomplete combustion prevention device as described above, since it is close to a closed structure in a recent building house, it can be operated in a state where it has never been in and out of the room for a long time, or, If the user falls asleep during operation, the air in the room will not be ventilated at all, and the content of carbon monoxide CO and nitrogen dioxide NO 2 in the air will increase. If the value is equal to or less than the specified value, the incomplete combustion device does not operate.
従って、一酸化炭素COや二酸化窒素NO2の含有量が比
較的大きい状況のもとで運転されることとなり、健康上
あまり好ましいものでない。Therefore, it is operated under the condition that the content of carbon monoxide CO and nitrogen dioxide NO 2 is relatively large, which is not preferable for health.
また、もし、使用者が眠ってしまったような場合には
ある程度の危険を伴う可能性もあり、安全性の点でも万
全とは言い難いものである。Further, if the user falls asleep, there is a possibility that it may be accompanied by a certain degree of danger, and it cannot be said that the safety is perfect.
この発明は上記のような問題点を解消するためになさ
れたもので、使用者の安全をより一層確保できるととも
に、身体の健康上からも極めて好ましい燃焼機の制御装
置を提供することを目的とするものである。The present invention has been made to solve the above problems, and an object of the present invention is to provide a control device for a combustor, which can further secure the safety of the user and is extremely preferable from the viewpoint of physical health. To do.
この発明に係わる燃焼機の制御装置は、運転開始後、
室内温度が最初に設定温度に達した時点より計時を開始
して所定時間を計時した後に計時を停止するタイマー回
路と、室内温度と設定温度との関係を比較判定し、前記
タイマー回路の計時中に室内温度が設定温度より下がっ
たことがあるときは、燃焼機の運転を継続させる運転継
続信号を発し、室内温度が設定温度より下がったことが
ないときは、燃焼機の運転を停止させる運転停止信号を
発する判定回路と、この判定回路からの運転継続信号ま
たは運転停止信号により前記タイマー回路の計時終了
後、燃焼を継続または停止させる運転制御装置とを備え
たものである。The control device for the combustor according to the present invention,
A timer circuit that starts timing from the time when the room temperature first reaches the set temperature and stops the time after a predetermined time is measured, and the relationship between the room temperature and the set temperature is compared and judged, and the timer circuit is measuring If the room temperature has dropped below the set temperature, the operation continuation signal to continue the operation of the combustor is issued, and if the room temperature has never dropped below the set temperature, the operation to stop the operation of the combustor A determination circuit that issues a stop signal, and an operation control device that continues or stops combustion after the timer circuit has finished measuring time based on an operation continuation signal or an operation stop signal from the determination circuit are provided.
この発明における制御装置は、タイマー回路が計時を
行っている間に、温度検出器で検出した室温が判定回路
に入力され、この間に室温が設定温度より下がる場合が
あれば、換気が行われたか、あるいは部屋への出入りが
あり、使用者が監視できる状態にあると判定して運転を
継続させ、室温が設定温度より一度も下がったことがな
ければ、部屋に誰もにないか、使用者が監視できない状
態にあると判定して、運転を停止する。In the control device according to the present invention, the room temperature detected by the temperature detector is input to the determination circuit while the timer circuit is measuring the time, and if the room temperature may fall below the set temperature during this time, is ventilation performed? Or, if there is an entry / exit to the room and the user determines that it is in a condition that can be monitored and continues operation, and if the room temperature has never dropped below the set temperature, no one is in the room Is judged to be in an unmonitorable state, and the operation is stopped.
以下、この発明の一実施例を図面を参照して説明す
る。An embodiment of the present invention will be described below with reference to the drawings.
第１図は一例として温風暖房機にこの発明を応用した
場合のブロック図を示している。FIG. 1 shows a block diagram when the present invention is applied to a warm air heater as an example.
第１図において、１は温度設定器で、暖房する部屋の
目標温度を設定する部分である。２は温度制御装置で、
温度設定器１で設定した設定温度Ｔと温度検出器３で検
出した室内温度Ｔ′との偏差量を検出し、その偏差量に
比例した出力を出す部分である。In FIG. 1, reference numeral 1 denotes a temperature setter, which is a part for setting a target temperature of a room to be heated. 2 is a temperature control device,
This is a part that detects a deviation amount between the set temperature T set by the temperature setting device 1 and the room temperature T ′ detected by the temperature detector 3 and outputs an output proportional to the deviation amount.
４は燃焼制御装置で、上記偏差量の出力に基づいて図
示しないバーナーの燃焼状態を自動的に制御する。そし
て、５は運転制御装置であり、あらかじめ定められた燃
焼プログラムにしたがって点火、燃焼及び消火のシーケ
ンス動作を進める。A combustion control device 4 automatically controls the combustion state of a burner (not shown) based on the output of the deviation amount. Reference numeral 5 denotes an operation control device, which advances the sequence operations of ignition, combustion, and extinguishing according to a predetermined combustion program.
そして、６は本発明の制御装置であり、タイマー回路
７、判定回路８および警報器９で構成している。6 is a control device of the present invention, which comprises a timer circuit 7, a determination circuit 8 and an alarm device 9.
タイマー回路７は温度設定器１で設定した設定温度Ｔ
と温度検出器３で検出した室内温度Ｔ′とが一致した時
点から計時を開始し、あらかじめ設定した所定時間、た
とえば１時間を経過するまで計時を実行するものであ
る。The timer circuit 7 has a set temperature T set by the temperature setter 1.
And the room temperature T'detected by the temperature detector 3 are coincident with each other, the clocking is started at a time point, and the clocking is executed until a predetermined time set in advance, for example, one hour has passed.
判定回路８は、温度検出器３からの検出出力を入力し
て設定温度Ｔとの比較を行うとともに、タイマー回路７
の計時時間を監視し、タイマー回路７の計時時間中に所
定の条件を満足しない場合には上記運転制御装置５に運
転停止信号を発するとともに、警報器９を動作させる回
路であり、上記タイマー回路７およびこの判定回路８は
マイクロコンピュータによって実現可能である。The determination circuit 8 inputs the detection output from the temperature detector 3 and compares it with the set temperature T, and at the same time, the timer circuit 7
Of the timer circuit 7, and when the predetermined condition is not satisfied during the time counting of the timer circuit 7, it is a circuit for issuing an operation stop signal to the operation control device 5 and operating the alarm device 9. 7 and the determination circuit 8 can be realized by a microcomputer.
次に、上記実施例の動作を第２図の温度特性図および
第３図の動作フローチャートに基づいて説明する。Next, the operation of the above embodiment will be described with reference to the temperature characteristic diagram of FIG. 2 and the operation flowchart of FIG.
まず、使用者は、温度設定器１により設定温度Ｔを定
め、次に運転スイッチ（図示しない）をオンにする。First, the user determines the set temperature T by the temperature setting device 1, and then turns on the operation switch (not shown).
この運転スイッチのオンにより動作がスタートし、運
転制御装置５は予め設定された燃焼プログラムにしたが
って点火動作その他の必要な動作を所定の順序のもとに
行い、運転を開始する。The operation starts when the operation switch is turned on, and the operation control device 5 performs the ignition operation and other necessary operations in a predetermined order in accordance with a preset combustion program, and starts the operation.
室内温度Ｔが設定温度Ｔより低い時は、燃焼動作が開
始され、そして燃焼制御装置４は室内温度Ｔ′を設定温
度Ｔまたはその近くに達するまで、比較的燃焼量を大に
して燃焼し、目標温度に達した時点からは、設定温度Ｔ
を維持できる燃焼量に落として運転を続行する。When the room temperature T is lower than the set temperature T, the combustion operation is started, and the combustion control device 4 burns with a relatively large amount of combustion until the room temperature T ′ reaches or reaches the set temperature T. From the time when the target temperature is reached, the set temperature T
The amount of combustion can be maintained to continue operation.
一方、温度検出器３で室内温度Ｔ′が設定温度Ｔに達
したことを検出すると、タイマー回路７が計時を開始す
る。タイマー回路７が所定の時間を計時する間、室内温
度Ｔ′の検出出力が判定回路８に入力され、設定温度Ｔ
との比較が行われる。On the other hand, when the temperature detector 3 detects that the room temperature T'has reached the set temperature T, the timer circuit 7 starts timing. While the timer circuit 7 measures a predetermined time, the detection output of the room temperature T'is input to the determination circuit 8 to set the set temperature T '.
Is compared with.
ここで、上述したように、燃焼制御装置４によって燃
焼量は設定温度Ｔを維持できるように制御されているの
で、何の動きもなければ、第２図中実線に示すように室
内温度Ｔ′は設定温度Ｔと一致もしくはそれより若干高
い温度にあり、下がることはない。Here, as described above, the combustion amount is controlled by the combustion control device 4 so as to maintain the set temperature T. Therefore, if there is no movement, the room temperature T'is as shown by the solid line in FIG. Is equal to or slightly higher than the set temperature T and does not decrease.
しかし、使用者が換気をしたり、あるいは部屋から出
たり、入ったりすると、冷たい空気が室内に入り込むの
で、第２図中、破線a,bにて示すように室内温度Ｔ′は
一瞬設定温度Ｔよりも降下する。However, when the user ventilates, or leaves or enters the room, cold air enters the room, so that the room temperature T ′ is momentarily set as shown by the broken lines a and b in FIG. It is lower than T.
このような室内温度Ｔ′の降下が発生すると、上記判
定回路８はこれを判定し、人の存在と監視を確認し、運
転継続の指示信号を運転制御装置５に発する。When such a drop in the room temperature T'occurs, the determination circuit 8 determines this, confirms the presence and monitoring of a person, and issues an operation continuation instruction signal to the operation control device 5.
もし、室内温度Ｔ′がタイマー回路７の計時時間中に
一度も設定温度Ｔより下がることがなかった場合には、
上記判定回路８は運転制御装置５に運転停止の信号を発
するとともに、警報器９を動作させる。If the room temperature T'has never dropped below the set temperature T during the time measured by the timer circuit 7,
The determination circuit 8 sends a signal for stopping the operation to the operation control device 5 and operates the alarm device 9.
従って、暖房機を運転したまま長時間部屋の中にいな
かったり、暖房中の部屋で使用者が寝入ってしまったよ
うなときは、所定時間の経過後、直ちに運転停止される
ので、安全であるとともに、経済的でもある。また、適
度の換気作用がないと運転が継続されないので、健康上
も好ましいものとなる。Therefore, if you are not in the room for a long time with the heater running, or if the user falls asleep in the room while heating, the operation will be stopped immediately after the elapse of a predetermined time, so it is safe. It is also economical. Further, since the operation cannot be continued unless there is a proper ventilation effect, it is preferable for health.
以上のように、この発明によれば、暖房機などの危険
をともなう燃焼機の運転を、室内温度が設定温度に最初
に達した時点から所定時間が経過するまでの間、室内温
度と設定温度との関係を比較判定して使用状況を判断
し、自動的に継続させたり、停止させるため、使用者の
いない危険な運転や監視不可能な就寝状態での連続運転
を未然に防止でき、安全性を向上することができるとと
もに、燃料の消費量も減少させることができ、省エネル
ギー効果もある。As described above, according to the present invention, the operation of the combustor with a danger such as a heating device is performed while the room temperature and the set temperature are maintained until the predetermined time elapses from the time when the room temperature first reaches the set temperature. It is possible to prevent dangerous operation without a user or continuous operation in an unmonitored sleeping state by comparing the relationship with the above to determine the usage status and automatically continue or stop it. In addition to improving fuel efficiency, it is possible to reduce fuel consumption, and there is an energy saving effect.
第１図はこの発明の一実施例を示すブロック図、第２図
は運転時間に対する室内温度の変化を示す特性図、第３
図は動作フローチャートである。 ６は制御装置、７はタイマー回路、８は判定回路であ
る。FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a characteristic diagram showing changes in indoor temperature with respect to operating time, and FIG.
The figure is an operation flowchart. Reference numeral 6 is a control device, 7 is a timer circuit, and 8 is a determination circuit.
Claims (1)
達した時点より計時を開始して所定時間を計時した後に
計時を停止するタイマー回路と、室内温度と設定温度と
の関係を比較判定し、前記タイマー回路の計時中に室内
温度が設定温度より下がったことがあるときは、燃焼機
の運転を継続させる運転継続信号を発し、室内温度が設
定温度より下がったことがないときは、燃焼機の運転を
停止させる運転停止信号を発する判定回路と、この判定
回路からの運転継続信号または運転停止信号により前記
タイマー回路の計時終了後、燃焼を継続または停止させ
る運転制御装置とを備えたことを特徴とする燃焼機の制
御装置。1. A relationship between a room temperature and a set temperature is compared with a timer circuit that starts the time when the room temperature first reaches the set temperature after the start of operation and stops the time after a predetermined time has passed. If the room temperature has fallen below the set temperature while the timer circuit is measuring the time, the operation continuation signal for continuing the operation of the combustor is issued, and if the room temperature has never dropped below the set temperature. A determination circuit that issues an operation stop signal for stopping the operation of the combustor, and an operation control device that continues or stops the combustion after the timer circuit has finished measuring time by the operation continuation signal or the operation stop signal from the determination circuit. A control device for a combustor characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61047673A JP2521257B2 (en) | 1986-03-05 | 1986-03-05 | Combustor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61047673A JP2521257B2 (en) | 1986-03-05 | 1986-03-05 | Combustor control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62206322A JPS62206322A (en) | 1987-09-10 |
| JP2521257B2 true JP2521257B2 (en) | 1996-08-07 |
Family
ID=12781787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61047673A Expired - Lifetime JP2521257B2 (en) | 1986-03-05 | 1986-03-05 | Combustor control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521257B2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621648B2 (en) * | 1974-08-07 | 1981-05-20 | ||
| JPS58181121A (en) * | 1982-03-19 | 1983-10-22 | Tohoku Metal Ind Ltd | Temperature controlling circuit provided with timer |
| JPS5952324U (en) * | 1982-09-29 | 1984-04-06 | 三洋電機株式会社 | Hot air heater control circuit |
| JPS62202934A (en) * | 1986-02-28 | 1987-09-07 | Matsushita Electric Ind Co Ltd | Controller for hot air heating apparatus of combustion type |
-
1986
- 1986-03-05 JP JP61047673A patent/JP2521257B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62206322A (en) | 1987-09-10 |
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