JPS63254316A - Safety device for hot air space heater - Google Patents
Safety device for hot air space heaterInfo
- Publication number
- JPS63254316A JPS63254316A JP62090235A JP9023587A JPS63254316A JP S63254316 A JPS63254316 A JP S63254316A JP 62090235 A JP62090235 A JP 62090235A JP 9023587 A JP9023587 A JP 9023587A JP S63254316 A JPS63254316 A JP S63254316A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- hot air
- air heater
- safety device
- filter
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 13
- 238000013021 overheating Methods 0.000 abstract description 16
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Classifications
-
- 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
- F23N2225/00—Measuring
- F23N2225/08—Measuring temperature
- F23N2225/16—Measuring temperature burner temperature
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
Description
【発明の詳細な説明】
産業上の利用分野
本発明は温風暖房器の異常過熱防止やフィルター掃除警
報などの安全装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a safety device for preventing abnormal overheating of a hot-air heater and warning for filter cleaning.
従来の技術
従来の温風暖房器では過熱防止装置としてパイメダルを
応用したスイッチで異常過熱を検知し器具の運転を停止
して安全を保ち、さらにバイメタルスイッチが故障した
場合の二重安全装置として温度ヒユーズを設け、異常過
熱時には温度ヒユーズを溶断させて器具の運転を停止し
安全を確保し、ていた。Conventional technology Conventional hot air heaters use a pie medallion switch as an overheat prevention device to detect abnormal overheating and stop operation of the appliance to maintain safety.Furthermore, in the event of a bimetallic switch failure, a double safety device is used to monitor the temperature. A fuse was installed, and in the event of abnormal overheating, the temperature fuse would be blown and the equipment would stop operating to ensure safety.
また、吸気口のほこり詰り等を異常過熱する以前に使用
者に警告する）１／Ｌ／ター目詰りサインの検知装置と
して、前記の過熱防止装置とは別に、バイメタルスイッ
チやサーミヌタが使われていた。In addition to the above-mentioned overheating prevention device, a bimetal switch and therminuta are used as a detection device for the 1/L/ter clogging sign (which warns the user about dust clogging in the intake port before abnormal overheating occurs). Ta.
発明が解決しようとする問題点
一般にバイメタルスイッチの動作温度は通常運転時での
誤動作を防ぐために高温に設定されであるので緩やかな
温度上昇時には動作するまで器具は長時間異常高温にさ
らされる。またバイメタルスイッチはそれ自身の熱容量
が大きいため必ず動作上の応答遅れが有り、器具は短時
間ではあるが高温にさらされることになる。Problems to be Solved by the Invention Generally, the operating temperature of a bimetal switch is set to a high temperature to prevent malfunction during normal operation, so when the temperature rises slowly, the device is exposed to abnormally high temperatures for a long time until it operates. Furthermore, since the bimetal switch itself has a large heat capacity, there is always a delay in operational response, and the device is exposed to high temperatures for a short period of time.
さらに吸気口がほこり等で目詰りしたことを知らせるセ
ンサー（以下、フィルタ−サイン装置という）として、
前記の過熱防止装置とは別の装置を取り付けていた。こ
の様に、過熱防止装置とフィルターサイン装置を別々に
設けると、吸気口のさまざまな閉塞の仕方によって、あ
るいは装置の反応速度、取付位置等によりフィルターサ
イン装置が作動する以前に過熱防止装置が作動して器具
が停止してしまう等の問題が発生する恐れがあった。Furthermore, it is used as a sensor (hereinafter referred to as a filter sign device) to notify that the intake port is clogged with dust, etc.
A separate device was installed in addition to the overheating prevention device mentioned above. In this way, if the overheat prevention device and the filter signature device are installed separately, the overheat prevention device will be activated before the filter signature device is activated depending on various ways of blocking the intake port, reaction speed of the device, mounting position, etc. This may cause problems such as the equipment stopping.
本発明は、上記問題点を解消するものであり、器具の仏
やかな過熱にも迅速に応答して器具を停止し、器具の破
損や火災等の危険を防ぐとともに、従来のようなフィル
ターサイン装置が作動する以前に過熱防止装置が作動す
る矛循を防ぐ温風暖房器を提供することを目的とする。The present invention solves the above-mentioned problems, and quickly responds to the sudden overheating of the appliance to stop the appliance, thereby preventing damage to the appliance and dangers such as fire. It is an object of the present invention to provide a hot air heater that prevents a paradox in which an overheating prevention device is activated before the device is activated.
問題点を解決するだめの手段
上記目的を達成するために本発明の温風暖房器は、吸気
口等の閉塞により最も早く過熱される熱交換器に設置さ
れた温度検出手段と、吸気口のフィルター目詰りを知ら
せる必要のある低水準の温度設定と、過熱して器具の停
止が必要となる高水準の温度設定を各々行う温度設定手
段と、温度検出手段による温度が前記２つの設定温度に
達したことを判定する温度判定手段と、フィルター目詰
りを知らせる必要のある温度に達したと判定した温度判
定手段からの出力信号によって外部へ注意を知らせる警
報あるいは表示手段と、過熱して器具の停止が必要とな
る温度に達したと判定した温度判定手段からの出力信号
によって器具の運転を停止させる運転制御手段とを備え
た構成である。Means for Solving the Problems In order to achieve the above object, the hot air heater of the present invention includes a temperature detecting means installed in the heat exchanger which is most quickly overheated due to blockage of the intake port, etc. Temperature setting means for setting a low level temperature at which it is necessary to notify of filter clogging and a high level temperature setting at which it is necessary to stop the appliance due to overheating, and a temperature detection means for setting the temperature at the two set temperatures. a temperature determining means for determining that the temperature has reached the temperature required to notify that the filter has been clogged; an alarm or display means that alerts the outside by an output signal from the temperature determining means that determines that the temperature has reached the point at which it is necessary to notify that the filter has been clogged; This configuration includes operation control means that stops the operation of the appliance based on an output signal from the temperature determination means that determines that the temperature has reached a temperature that requires stopping.
作 用
本発明は上記した構成により、吸気口の閉塞等によって
起こる過熱を温度検出手段で検出し、温度判定手段によ
って、低い設定温度に達した場合、警報あるいは表示手
段によってフィルター目詰りを外部に知らせ、高い設定
温度に達した場合、運転制御手段によって運転を停止し
、器具の過熱による破損や、誤動作を防ぐことができる
。According to the above-described configuration, the present invention uses a temperature detection means to detect overheating caused by blockage of the intake port, etc., and when a low set temperature is reached by the temperature judgment means, an alarm or display means is used to notify the outside of the clogged filter. When the high set temperature is reached, the operation is stopped by the operation control means to prevent damage or malfunction due to overheating of the appliance.
実施例
以下本発明の一実施例について図面を参照しながら説明
する。EXAMPLE An example of the present invention will be described below with reference to the drawings.
第１図において１は外装ケース、２はバーナ、３は熱交
換器、４は温風循環用の対流ファン、５は温風用と燃焼
用の空気の吸気口、６は吸気口６に設けたフィルター、
７に温風の吹出口、８は熱電対等の温度検出手段で、熱
交換器３に設置している。９はフィルターサイン装置に
対応する低水準の温度設定手段、１０は過熱防止に対応
する高水準の温度設定手段、１１は温度検出手段８によ
って検出した温度と前記低水準と高水準の各温度設定手
段９．１０によって設定した温度を比較・判定する温度
判定手段、１２は温度判定手段の出力信号により外部に
フィルター掃除を知らせる警報手段、１３は温度判定手
段１１の出力信号により運転の停止・継続を制御する運
転制御手段である。In Figure 1, 1 is an exterior case, 2 is a burner, 3 is a heat exchanger, 4 is a convection fan for hot air circulation, 5 is an intake port for hot air and combustion air, and 6 is installed at the intake port 6. filter,
7 is a hot air outlet, and 8 is a temperature detection means such as a thermocouple, which is installed in the heat exchanger 3. Reference numeral 9 indicates a low level temperature setting means corresponding to the filter sign device, 10 indicates a high level temperature setting means corresponding to overheating prevention, and 11 indicates the temperature detected by the temperature detection means 8 and the respective temperature settings for the low level and high level. Temperature determination means for comparing and determining the temperatures set by means 9 and 10; 12 is an alarm means for informing the outside of filter cleaning by the output signal of the temperature determination means; 13 is a stop/continue operation according to the output signal of the temperature determination means 11; It is an operation control means that controls the
上記構成において、第２図の運転過程を表わすフローチ
ャートに基づいて、動作を説明する。バーナ２を燃焼し
、かつ対流ファン４を運転すると、フィルター６を介し
て吸気口５から温風用と燃焼用の空気が吸引される。そ
して、温風用の空気は熱交換器３と熱交換し、かつ燃焼
排がスと混合して温風流路を通り吹出ロアから温風とな
って吹出される。そして、温度検出手段８によって検出
された温度Ｔを低水準温度設定手段９によって設定され
た温度ＴＬ１高水準温度設定手段１０によって設定され
た温度ＴＨと各々常に温度判定手段１１に二って比較し
ている。Ｔ≧ＴＩ、となると温度判定手段１１が警報手
段１２に信号を出し、警報手段１２が作動し外部にフィ
ルター６の掃除を知らせるが、運転は継続する。更にＴ
≧ＴＨとなると温度判定手段１１が運転制御手段１３に
信号を出し、運転を停止する。In the above configuration, the operation will be explained based on the flowchart showing the operating process shown in FIG. When the burner 2 is combusted and the convection fan 4 is operated, hot air and combustion air are drawn from the intake port 5 through the filter 6. Then, the warm air exchanges heat with the heat exchanger 3, mixes with the combustion exhaust gas, passes through the hot air flow path, and is blown out from the blow-off lower as warm air. Then, the temperature T detected by the temperature detection means 8 is constantly compared with the temperature TL set by the low level temperature setting means 9 and the temperature TH set by the high level temperature setting means 10, respectively. ing. When T≧TI, the temperature determining means 11 issues a signal to the alarm means 12, which activates to inform the outside that the filter 6 needs to be cleaned, but the operation continues. Further T
When ≧TH, the temperature determination means 11 issues a signal to the operation control means 13 to stop the operation.
発明の効果
以上の実施例から明らかなように本発明は、１個の温度
検出手段で検出した温度を、フィルター目詰りを知らす
低水準の設定温度と過熱による器具運転停止を知らす高
水準の設定温度と比較してフィルター目詰りの警報ある
いは表示、そして器具の運転停止を行なうのであるから
、順序よくフィルター目詰りと器具の過熱防止を知るこ
とができ、この種安全装置として極めて有益であるとと
もに１個の温度検出手段で足りるから、その構成も簡単
にできる。Effects of the Invention As is clear from the above-described embodiments, the present invention allows the temperature detected by one temperature detection means to be set at a low level to notify of filter clogging and a high level to notify of equipment operation stoppage due to overheating. Since it compares the temperature with a warning or display of filter clogging and shuts down the operation of the equipment, it is possible to know in an orderly manner whether the filter is clogged or to prevent overheating of the equipment, which is extremely useful as a safety device of this type. Since only one temperature detection means is sufficient, its configuration can be simplified.
第１図は本発明の一実施例を示す構成図、第２図は本実
施例の運転過程を示すフローチャートである。
８・・・・・・温度検出手段、９・・・・・・低水準温
度設定手段、１０・・・・・・高水準温度設定手段、１
１・・・・・・温度判定手段、１２・・・・・・警報手
段、１３・・・・・・運転制御手段。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名ｌ
−タトツ配ケース
２−バーブ
３−一熊交で東Ｗ
４−文ｙ丸ファン
５−一跋気口
第 １ 図 ６−フィル
タ−７一−−次Ｂ口
第２図FIG. 1 is a block diagram showing one embodiment of the present invention, and FIG. 2 is a flowchart showing the operating process of this embodiment. 8...Temperature detection means, 9...Low level temperature setting means, 10...High level temperature setting means, 1
1...Temperature determination means, 12...Alarm means, 13...Operation control means. Name of agent: Patent attorney Toshio Nakao and 1 other person
- Tatotsu distribution case 2 - Barb 3 - East W at one bear intersection 4 - Bun y circle fan 5 - One wide air opening 1st Figure 6 - Filter - 7 1 - Next B opening 2nd figure
Claims (3)
風暖房器において、前記熱交換器に設置した温度検出手
段と、任意の２水準の温度を設定する温度設定手段と、
温度設定手段によって設定された２水準の温度と温度検
出手段で検出した温度を比較する温度判定手段と、フィ
ルター目詰りを知らせる必要のある低水準の温度と比較
して前記温度検出手段で検出した温度の方が高いと判定
した前記温度判定手段からの出力信号により外部へ注意
を知らせる表示あるいは警報手段と、任意に設定した高
水準の温度と比較して前記温度検出手段で検出した温度
の方が高いと判定した前記温度判定手段から出力される
信号により温風暖房器の運転を停止させる運転制御手段
を備えたことを特徴とする温風暖房器の安全装置。(1) In a hot air heater equipped with a heat generator, a heat exchanger, and a convection fan, a temperature detection means installed in the heat exchanger, a temperature setting means for setting two arbitrary levels of temperature,
temperature determining means for comparing two levels of temperature set by the temperature setting means and the temperature detected by the temperature detecting means; and a temperature determining means for comparing the temperature detected by the temperature detecting means with a low level temperature at which it is necessary to notify of filter clogging. A display or alarm means to warn the outside by an output signal from the temperature determination means which has determined that the temperature is higher, and a temperature detected by the temperature detection means by comparing it with an arbitrarily set high level temperature. 1. A safety device for a hot-air heater, comprising an operation control means for stopping the operation of the hot-air heater in response to a signal output from the temperature determining means that has determined that the temperature is high.
する熱電対を用いた特許請求の範囲第１項記載の温風暖
房器の安全装置。(2) A safety device for a hot air heater according to claim 1, which uses a thermocouple that generates an electromotive force depending on the temperature as the temperature detection means.
化するサーミスタを用いた特許請求の範囲第１項記載の
温風暖房器の安全装置。(3) A safety device for a hot air heater according to claim 1, which uses a thermistor whose electrical resistance changes depending on the temperature as the temperature detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62090235A JPS63254316A (en) | 1987-04-13 | 1987-04-13 | Safety device for hot air space heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62090235A JPS63254316A (en) | 1987-04-13 | 1987-04-13 | Safety device for hot air space heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63254316A true JPS63254316A (en) | 1988-10-21 |
Family
ID=13992830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62090235A Pending JPS63254316A (en) | 1987-04-13 | 1987-04-13 | Safety device for hot air space heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63254316A (en) |
-
1987
- 1987-04-13 JP JP62090235A patent/JPS63254316A/en active Pending
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