JPH073149Y2 - Liquid fuel combustor - Google Patents
Liquid fuel combustorInfo
- Publication number
- JPH073149Y2 JPH073149Y2 JP1987138082U JP13808287U JPH073149Y2 JP H073149 Y2 JPH073149 Y2 JP H073149Y2 JP 1987138082 U JP1987138082 U JP 1987138082U JP 13808287 U JP13808287 U JP 13808287U JP H073149 Y2 JPH073149 Y2 JP H073149Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- liquid fuel
- fuel combustor
- carbon
- combustion
- 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
Landscapes
- Regulation And Control Of Combustion (AREA)
- Feeding And Controlling Fuel (AREA)
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は、構成部品の状態を検出する検出装置が設けら
れたポータブル石油ストーブ等の液体燃料燃焼器に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a liquid fuel combustor such as a portable oil stove provided with a detection device for detecting the state of components.
〈従来技術〉 従来の液体燃料燃焼器においては、例えば第６図に示す
如く、燃焼タンク31内の燃料量は、フロートスイツチ32
により検出されていた。<Prior Art> In a conventional liquid fuel combustor, for example, as shown in FIG. 6, the amount of fuel in the combustion tank 31 is equal to that of the float switch 32.
Was detected by.
なお、図中、33は燃焼部、34はカートリツジタンクであ
る。In the figure, 33 is a combustion part, and 34 is a cartridge storage tank.
〈考案が解決しようとする問題点〉 上記従来技術では、燃焼芯のカーボン付着状態を検出す
ることができず、故に空焼きクリーニングが必要である
旨を報知すること（空焼時期報知）ができなかつた。<Problems to be Solved by the Invention> In the above-mentioned conventional technology, it is not possible to detect the state of carbon adhering to the combustion wick, and therefore it is possible to notify that air-cleaning is necessary (air-burning time notification). Nakatsuta.
そこで、本考案は、空焼時期報知が可能となる液体燃料
燃焼器の提供を目的とする。Therefore, an object of the present invention is to provide a liquid fuel combustor capable of informing the air-burning time.
〈問題点を解決するための手段〉 本考案による問題点解決手段は、第１図〜第４図の如
く、燃焼芯25のカーボン付着状態を検出する圧力センサ
１と、該圧力センサ１の検出結果に基づき各種情報を使
用者に報知する制御装置２とが設けられ、前記圧力セン
サ１は前記燃焼芯25の厚さ方向に一定寸法だけ離間して
配置されたものである。<Means for Solving Problems> A problem solving means according to the present invention is, as shown in FIGS. 1 to 4, a pressure sensor 1 for detecting a carbon adhering state of a combustion wick 25, and a detection for the pressure sensor 1. A control device 2 for notifying the user of various information based on the result is provided, and the pressure sensor 1 is arranged in the thickness direction of the combustion wick 25 with a certain distance therebetween.
〈作用〉 上記問題点解決手段において、燃焼芯25にカーボンが付
着してその厚さが一定寸法を超えると、圧力センサ１は
カーボン付着状態を検出し、制御装置２は該圧力センサ
１の検出結果に基づいて各種情報を使用者に報知する。
そうすると、芯の空焼きクリーニングが必要である旨を
報知できる。<Operation> In the above problem solving means, when carbon adheres to the combustion wick 25 and its thickness exceeds a certain dimension, the pressure sensor 1 detects the carbon adhering state, and the control device 2 detects the pressure sensor 1. The user is notified of various information based on the result.
Then, it can be notified that the core needs to be air-baked and cleaned.
〈実施例〉 以下、本考案を、ポータブル石油ストーブに適用し、圧
力センサを空焼時期報知センサとして用いた実施例を第
１図〜第４図に基づいて説明する。第１図は本実施例液
体燃料燃焼器の空焼時期報知センサ取付部付近を示す縦
断面図、第２図は同じく内炎筒の斜視図、第３図（ａ）
は同じく新しい芯の縦断面図、第３図（ｂ）は同じく空
焼きクリーニングが必要となつた芯の縦断面図、第４図
は同じく電気回路図である。<Embodiment> An embodiment in which the present invention is applied to a portable oil stove and a pressure sensor is used as an air-fire timing notification sensor will be described below with reference to FIGS. 1 to 4. FIG. 1 is a vertical cross-sectional view showing the vicinity of the air-fueling timing notification sensor mounting portion of the liquid fuel combustor of this embodiment, FIG. 2 is a perspective view of the inner flame cylinder, and FIG. 3 (a).
Is a vertical cross-sectional view of a new core, FIG. 3 (b) is a vertical cross-sectional view of a core that also needs to be air-cleaned, and FIG. 4 is an electric circuit diagram of the same.
図示の如く、本考案液体燃料燃焼器は、第１図の如く、
内炎筒21と外炎筒24との間を燃焼芯25が上下動すること
により、燃焼器の点火または消火が行なわれる。As shown in FIG. 1, the liquid fuel combustor of the present invention is
The combustion wick 25 moves up and down between the inner flame cylinder 21 and the outer flame cylinder 24 to ignite or extinguish the combustor.
そして、前記燃焼芯25のカーボン付着状態を検出する圧
力センサ１と、該圧力センサ１の検出結果に基づき各種
情報を使用者に報知する制御装置２とが設けられてい
る。A pressure sensor 1 for detecting the carbon adhesion state of the combustion wick 25 and a control device 2 for notifying the user of various information based on the detection result of the pressure sensor 1 are provided.
前記圧力センサ１は、感圧導電性インキを用い表面に加
わる圧力の変化を抵抗値の変化に変換する素子であり、
第１図の如く、側面視Ｌ字形に折曲されたもので、第２
図の如く、内炎筒21に設けられた角孔22に取付具23を用
いて表面に凹凸のないように取付けられる。これによ
り、該圧力センサ１は、前記燃焼芯25の厚さ方向に一定
寸法だけ離間した位置に配置される。The pressure sensor 1 is an element that uses pressure-sensitive conductive ink to convert a change in pressure applied to the surface into a change in resistance value.
As shown in Fig. 1, it is bent into an L-shape when viewed from the side.
As shown in the figure, it is attached to the square hole 22 provided in the inner flame cylinder 21 by using the attachment 23 so that the surface is not uneven. As a result, the pressure sensor 1 is arranged at a position separated by a certain dimension in the thickness direction of the combustion wick 25.
また、制御装置２は、第４図の如き電気回路を有してお
り、該電気回路は、電源VccとグラウンドGNDとの間に直
列接続された抵抗R2および前記圧力センサ１の直列接続
体ならびに抵抗R3および抵抗R4の直列接続体、コンパレ
ータ26、発光ダイオード27、電流制限抵抗R5等から成
る。Further, the control device 2 has an electric circuit as shown in FIG. 4, and the electric circuit has a resistor R2 connected in series between a power source Vcc and a ground GND and a series connection body of the pressure sensor 1 and It is composed of a series connection of a resistor R3 and a resistor R4, a comparator 26, a light emitting diode 27, a current limiting resistor R5 and the like.
上記構成において、燃焼芯25は、新しい場合、第３図
（ａ）の如く、表面は平滑な形状であるが、使用するに
つれカーボン28が付着し、第３図（ｂ）の如く太つてく
る。付着したカーボン28の厚さが一定寸法以上になる
と、芯25の上下時に、カーボン28が圧力センサ１に圧力
を加えるようになり、圧力センサ１の抵抗値が減少す
る。そして、この抵抗値が一定値以下となり、コンパレ
ータ26の正入力端子26a側の電圧が負入力端子26b側の電
圧を下回ると、出力端子26cは“L"レベルとなり、発光
ダイオード27が点灯し、使用者に空焼クリーニング時期
を報知する。In the above structure, when the combustion core 25 is new, the surface has a smooth shape as shown in FIG. 3 (a), but the carbon 28 adheres as it is used and becomes thicker as shown in FIG. 3 (b). . When the thickness of the attached carbon 28 becomes a certain dimension or more, the carbon 28 applies pressure to the pressure sensor 1 when the core 25 moves up and down, and the resistance value of the pressure sensor 1 decreases. Then, when this resistance value becomes a certain value or less and the voltage on the positive input terminal 26a side of the comparator 26 becomes lower than the voltage on the negative input terminal 26b side, the output terminal 26c becomes "L" level and the light emitting diode 27 lights up, Notify the user of the dry cleaning time.
もちろん、この第４図の電気回路図は原理的なものを示
しているので、実際に製品に組込む場合、発光ダイオー
ド27の点灯を持続させるためのラツチ回路や温度補償回
路等も必要となる。Of course, since the electric circuit diagram of FIG. 4 shows the principle, a latch circuit, a temperature compensating circuit, etc. for keeping the light emitting diode 27 lit up are also required when actually incorporating it in a product.
なお、本考案は、上記実施例に限定されるものではな
く、本考案の範囲内で上記実施例に多くの修正および変
更を加え得ることは勿論である。It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.
例えば、前記制御装置２に、第５図のようなワンチツプ
型マイクロコンピユータ８を有せしめてもよい。該マイ
クロコンピユータ８は、中央処理装置（CPU）９、読み
出し専用記憶装置（ROM）10、書き込み可能記憶装置（R
AM）11、入出力装置（I/O）12等から成る。そして、該I
/O12にはアナログ／デジタル変換器（A/D変換器）13お
よび表示器14が接続され、該A/D変換器13の入力端子に
は前記圧力センサ１と抵抗R1の直列接続体の中点が接続
される。かかる構成では、カーボン28が圧力センサ１に
加えた圧力は、圧力センサ１により抵抗値に変換され、
A/D変換器13の入力端子に電圧となつて表われる。そし
て、該電圧は、A/D変換されてデジタル値となり、マイ
クロコンピユータ８に入力される。ここで、圧力センサ
１の抵抗値とカーボン28の厚さの関係に基づいてあらか
じめROM10に書込まれたプログラムに従い、カーボン28
の厚さが表示器14に表示される。For example, the control device 2 may be provided with a one-chip type microcomputer 8 as shown in FIG. The microcomputer 8 includes a central processing unit (CPU) 9, a read-only storage device (ROM) 10, and a writable storage device (R).
AM) 11, input / output device (I / O) 12, etc. And the I
An analog / digital converter (A / D converter) 13 and a display unit 14 are connected to / O12, and the input terminal of the A / D converter 13 is connected in series with the pressure sensor 1 and the resistor R1. The points are connected. In this configuration, the pressure applied by the carbon 28 to the pressure sensor 1 is converted into a resistance value by the pressure sensor 1,
It appears as a voltage at the input terminal of the A / D converter 13. Then, the voltage is A / D converted into a digital value and input to the microcomputer 8. Here, based on the relationship between the resistance value of the pressure sensor 1 and the thickness of the carbon 28, according to the program written in the ROM 10 in advance, the carbon 28
Is displayed on the display 14.
〈考案の効果〉 以上の説明から明らかな通り、本考案によると、燃焼芯
のカーボン付着状態を検出する圧力センサと、圧力セン
サの検出結果に基づき各種情報を使用者に報知する制御
装置とを設け、圧力センサを、燃焼芯の厚さ方向に一定
寸法だけ離間して配置しているので、燃焼芯に付着した
カーボンの厚さが一定寸法を超えると、圧力センサは燃
焼芯のカーボン付着状態を検出し、制御装置は該圧力セ
ンサの検出結果に基づいて芯の空焼きクリーニングが必
要である旨を報知できるといつた優れた効果がある。<Effect of Device> As is apparent from the above description, according to the present invention, the pressure sensor for detecting the carbon adhering state of the combustion core and the control device for notifying the user of various information based on the detection result of the pressure sensor are provided. Since the pressure sensor is provided with a certain distance in the thickness direction of the combustion core, if the thickness of the carbon adhering to the combustion core exceeds a certain size, the pressure sensor will show the carbon adhesion state of the combustion core. If the control device can detect that the wick cleaning is required on the basis of the detection result of the pressure sensor, an excellent effect can be obtained.
第１図は本考案実施例における液体燃料燃焼器の空焼時
期報知センサ取付部付近を示す縦断面図、第２図は同じ
く内炎筒の斜視図、第３図（ａ）は同じく新しい芯の縦
断面図、第３図（ｂ）は同じく空焼きクリーニングが必
要となつた芯の縦断面図、第４図は同じく電気回路図、
第５図は同じく制御装置の電気回路図、第６図は従来の
液体燃料燃焼器を示す縦断面図である。 1:圧力センサ、2:制御装置、25:燃焼芯、28:カーボン。FIG. 1 is a vertical cross-sectional view showing the vicinity of an air-fire timing notification sensor mounting portion of a liquid fuel combustor in an embodiment of the present invention, FIG. 2 is a perspective view of the inner flame cylinder, and FIG. 3 (a) is a new lead. FIG. 3 (b) is a vertical cross-sectional view of a core that also needs to be air-cleaned, and FIG. 4 is the same electric circuit diagram.
FIG. 5 is an electric circuit diagram of the control device, and FIG. 6 is a vertical sectional view showing a conventional liquid fuel combustor. 1: Pressure sensor, 2: Control device, 25: Combustion wick, 28: Carbon.
フロントページの続き (72)考案者 秋田 憲司 大阪府大阪市阿倍野区長池町22番22号 シ ャープ株式会社内 (56)参考文献 特開 昭61−66013（ＪＰ，Ａ) 特開 昭61−280315（ＪＰ，Ａ) 実開 昭62−18543（ＪＰ，Ｕ)Front Page Continuation (72) Kenji Akita Kenji Akita 22-22 Nagaike-cho, Abeno-ku, Osaka, Osaka (56) References JP-A 61-66013 (JP, A) JP-A 61-280315 ( JP, A) Actual development Sho 62-18543 (JP, U)
Claims (1)
センサと、該圧力センサの検出結果に基づき各種情報を
使用者に報知する制御装置とが設けられ、前記圧力セン
サは前記燃焼芯の厚さ方向に一定寸法だけ離間して配置
されたことを特徴とする液体燃料燃焼器。1. A pressure sensor for detecting a carbon adhering state of a combustion wick, and a control device for notifying a user of various information based on a detection result of the pressure sensor, wherein the pressure sensor is a thickness of the combustion wick. A liquid fuel combustor characterized in that the liquid fuel combustor is arranged with a certain distance in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987138082U JPH073149Y2 (en) | 1987-09-08 | 1987-09-08 | Liquid fuel combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987138082U JPH073149Y2 (en) | 1987-09-08 | 1987-09-08 | Liquid fuel combustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6446645U JPS6446645U (en) | 1989-03-22 |
| JPH073149Y2 true JPH073149Y2 (en) | 1995-01-30 |
Family
ID=31400090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987138082U Expired - Lifetime JPH073149Y2 (en) | 1987-09-08 | 1987-09-08 | Liquid fuel combustor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073149Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6218543U (en) * | 1985-07-18 | 1987-02-04 |
-
1987
- 1987-09-08 JP JP1987138082U patent/JPH073149Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6446645U (en) | 1989-03-22 |
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