JPH0268417A - Detector of residual oil quantity - Google Patents
Detector of residual oil quantityInfo
- Publication number
- JPH0268417A JPH0268417A JP21922888A JP21922888A JPH0268417A JP H0268417 A JPH0268417 A JP H0268417A JP 21922888 A JP21922888 A JP 21922888A JP 21922888 A JP21922888 A JP 21922888A JP H0268417 A JPH0268417 A JP H0268417A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- upper actuator
- actuator
- plate
- residual oil
- 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 abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 230000008602 contraction Effects 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は液体燃料燃焼装置に用いられる残油量検出装
置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a residual oil amount detection device used in a liquid fuel combustion device.
［従来の技術］
液体燃料燃焼装置に用いられる残油量検出装置は種々の
ものが考えられるが、その一つとして残油量の差による
重量の差を、弾性力を持つ板の歪みで受け、この板に取
り付けられた抵抗線歪みゲージの電気抵抗の変化により
残油量を検出するものがある。第３図はこのような従来
の残油量検出装置を説明するための斜視図、第４図はそ
の側面図で、第４図（Ａ）は貯油タンクを搭載していな
い状態、第４図（Ｂ）は液体燃料が満たされた貯油タン
クを搭載した状態を示す。各図において（１）は貯油タ
ンク、（２）は油受皿、（３ａ）は上アクチュエータ、
（３ｂ）は下アクチュエータ、（４）は歪み板、（５）
は抵抗線歪みゲージ、（６）は取付ネジ、（７）は座台
、（８ａ）は残油量検出装置全体を示す。[Prior Art] There are various types of residual oil amount detection devices used in liquid fuel combustion equipment, one of which is a device that absorbs the difference in weight due to the difference in the amount of residual oil by the distortion of an elastic plate. , there is one that detects the amount of remaining oil based on the change in electrical resistance of a resistance wire strain gauge attached to this plate. Fig. 3 is a perspective view for explaining such a conventional residual oil amount detection device, Fig. 4 is a side view thereof, Fig. 4 (A) is a state in which an oil storage tank is not mounted, Fig. 4 (B) shows a state in which an oil storage tank filled with liquid fuel is mounted. In each figure, (1) is the oil storage tank, (2) is the oil pan, (3a) is the upper actuator,
(3b) is the lower actuator, (4) is the distortion plate, (5)
1 shows a resistance wire strain gauge, (6) a mounting screw, (7) a pedestal, and (8a) the entire residual oil amount detection device.
従来の残油量検出装置は、上アクチュエータ（３ａ）の
−側面と下アクチュエータ（３ｂ）の反対側の一側面と
が歪み板（４）に固定されており、それぞれの他の側面
は第４図（Ａ）に示すようにギャップ（ａｔ）、 （ａ
２）を持つ自由側面となっていて、全体として弾性力を
持った構造となっており、歪み板（４）には抵抗線歪み
ゲージ（５）が取り付けられている。In the conventional residual oil amount detection device, the negative side of the upper actuator (3a) and the opposite side of the lower actuator (3b) are fixed to the distortion plate (4), and the other side of each is fixed to the fourth side. As shown in figure (A), the gap (at), (a
2), and has an elastic structure as a whole, and a resistance wire strain gauge (5) is attached to the strain plate (4).
ここで第４図（Ｂ）に示すように液体燃料が満たされて
いる貯油タンク＜１）が搭載されると、貯油タンク（１
）の重量負荷により全体が押し下げられ、上アクチュエ
ータ（３ａ）と下アクチュエータ（３ｂ）との自由側面
か歪み板（４）に密着し、ギャップ（ａｔ）、 （ａ２
）がなくなる。また歪み板（４）は中央付近で歪んで変
形するので、そこに取り付けられている抵抗線歪みケー
ジ（５）か伸びて電気抵抗の値を増加させる。このよう
な原理により、残油量に応じた抵抗線歪みゲージ（５）
の伸縮による電気抵抗の値の変化て残油量を検出するこ
ととしている。Here, as shown in FIG. 4(B), when the oil storage tank <1) filled with liquid fuel is mounted, the oil storage tank (1
) is pushed down as a whole by the weight load of the upper actuator (3a) and the lower actuator (3b), and the free sides of the upper actuator (3a) and the lower actuator (3b) come into close contact with the strain plate (4), and the gap (at), (a2
) will disappear. Furthermore, since the strain plate (4) is distorted and deformed near the center, the resistance wire strain cage (5) attached thereto stretches, increasing the value of electrical resistance. Based on this principle, a resistance wire strain gauge (5) that corresponds to the amount of residual oil
The amount of remaining oil is detected by the change in electrical resistance due to expansion and contraction of the oil.
また従来の残油量検出装置は、液体燃料燃焼装置に組み
込む場合、油受皿（２）の裏面に座台（７）を形成して
、この座台（７）に上アクチュエータ（３ａ）を取付ネ
ジ（６）でネジ止めしている。Furthermore, when the conventional residual oil amount detection device is incorporated into a liquid fuel combustion device, a pedestal (7) is formed on the back side of the oil pan (2), and the upper actuator (3a) is attached to this pedestal (7). It is secured with screws (6).
［発明が解決しようとする課題］
上記のような従来の残油量検出装置ては、液体燃料燃焼
装置に組み込む場合、油受皿の裏面に座台を形成して、
この座台に上アクチュエータを取付ネジでネジ止めする
こととしているので、部品点数が多くなり、且つ作業工
程が多くなるという問題点があった。[Problems to be Solved by the Invention] When the conventional residual oil amount detection device as described above is incorporated into a liquid fuel combustion device, it is necessary to form a pedestal on the back side of the oil pan.
Since the upper actuator is screwed to this pedestal with a mounting screw, there are problems in that the number of parts increases and the number of work steps increases.
この発明はかかる課題を解決するためになされたもので
、部品点数を少なくし、作業工程を簡略化することがで
きる残油量検出装置を得ることを目的としている。The present invention was made to solve this problem, and aims to provide a residual oil amount detection device that can reduce the number of parts and simplify the work process.
［課題を解決するための手段］
この発明にかかる残油量検出装置は、上アクチュエータ
を油受皿座台と一体化して形成し、油受皿を直接上アク
チュエータに配置することとした。[Means for Solving the Problems] In the residual oil amount detection device according to the present invention, the upper actuator is formed integrally with the oil pan pedestal, and the oil pan is disposed directly on the upper actuator.
［作用］
この発明においては、上アクチュエータを油受皿座台と
一体化して形成し、油受皿を直接上アクチュエータに配
置することとしたので、座台および取付ネジ、並びにネ
ジ止め作業を不要とすることができる。[Function] In this invention, the upper actuator is formed integrally with the oil pan pedestal, and the oil pan is placed directly on the upper actuator, thereby eliminating the need for a pedestal, mounting screws, and screw fixing work. be able to.
［実施例］ 以下、この発明の実施例を図について説明する。[Example] Embodiments of the present invention will be described below with reference to the drawings.
第１図はこの発明による残油量検出装置を説明するため
の斜視図、第２図はその側面図で、第２図（Ａ）は貯油
タンクを搭載していない状態、第２図（Ｂ）は液体燃料
が満たされた貯油タンクを搭載した状態を示す。各図中
第３図、第４図と同一符号は同−又は相当部分を示し、
（３）はこの発明による上アクチュエータ、（８）はこ
の発明による残油量検出装置全体を示す。Fig. 1 is a perspective view for explaining the residual oil amount detection device according to the present invention, Fig. 2 is a side view thereof, Fig. 2 (A) is a state in which no oil storage tank is mounted, Fig. ) indicates a state in which an oil storage tank filled with liquid fuel is installed. In each figure, the same reference numerals as in Figures 3 and 4 indicate the same or equivalent parts,
(3) shows the upper actuator according to the present invention, and (8) shows the entire residual oil amount detection device according to the present invention.
この発明による残油量検出装置（８）は第１図第２図に
示すように、上アクチュエータ（３）には油受皿（２）
を設置するための油受皿座台が一体化して形成されてい
る。As shown in Fig. 1 and Fig. 2, the residual oil amount detection device (8) according to the present invention has an oil pan (2) on the upper actuator (3).
An oil pan pedestal for installing the oil pan is integrally formed.
次に動作について説明する。第２図（Ｂ）に示すように
貯油タンク（１）が搭載され、この貯油タンクク１）に
液体燃料が入っている場合、その残油量に応じた重量負
荷により全体が押しＴｌすられ、歪み板（４）を変形す
ることで抵抗線歪みゲージ（５）の電気抵抗の値が変化
する。この電気抵抗の値の変化を検出することで従来の
装置と同様に残油量を検出することができる。Next, the operation will be explained. As shown in Fig. 2 (B), when an oil storage tank (1) is mounted and this oil storage tank 1) contains liquid fuel, the entire body is pushed and pushed by a weight load corresponding to the amount of remaining oil. By deforming the strain plate (4), the electrical resistance value of the resistance wire strain gauge (5) changes. By detecting this change in electrical resistance value, the amount of remaining oil can be detected in the same way as with conventional devices.
また貯油タンク（１）を油受皿（２）にセットする場合
、セットの仕方が悪いと思わぬ力が加わり、歪み板（４
）が変形し過ぎて弾性力を失い、歪み板（４）が変形し
たままになるおそれがあるが、これを防止するためにギ
ャップ（ａｔ）、 （ａ２＞の大きさを所定間隔内とし
、不用意に大きな力か加わっても、上アクチュエータ（
３）と下アクチュエータ（３ｂ）との自由側面が歪み板
（４）に密着し、これ以上変形しないような構造になっ
ている。Also, when setting the oil storage tank (1) on the oil pan (2), if the setting is incorrect, unexpected force may be applied, causing distortion of the plate (4).
) may be deformed too much and lose its elasticity, causing the strain plate (4) to remain deformed. To prevent this, the sizes of the gaps (at) and (a2> are set within a predetermined interval, Even if a large force is applied inadvertently, the upper actuator (
3) and the lower actuator (3b) are structured such that the free sides of the actuator (3b) are in close contact with the distortion plate (4) and will not deform any further.
以上のような構造の残油量検出装置（８）を液体燃料燃
焼装置に組み込む場合には、上アクチュエ−タ（３）上
部に一体として形成された油受皿座台の上に油受皿（２
）を配置するたけてよく、従来の装置のように油受皿（
２）に座台を形成し、この座台に上アクチュエータをネ
ジ止めする作業が不要となる。When incorporating the residual oil amount detection device (8) with the above structure into a liquid fuel combustion device, the oil pan (2) is placed on the oil pan pedestal that is integrally formed on the upper part of the upper actuator (3).
), and the oil pan (
2) It becomes unnecessary to form a pedestal and screw the upper actuator to this pedestal.
［発明の効果］
この発明は以上説明したとおり、上アクチュエータを油
受皿座台と一体化して形成し、油受皿を直接上アクチュ
エータに配置することとしたので、座台および取付ネジ
、並びにネジ止め作業を省略できるという効果がある。[Effects of the Invention] As explained above, in this invention, the upper actuator is formed integrally with the oil pan pedestal, and the oil pan is placed directly on the upper actuator. This has the effect of eliminating work.
第１図、第２図はそれぞれこの発明による残油量検出装
置を説明するための図、第３図、第４図はそれぞれ従来
の装置を説明するための図。
（１）は貯油タンク、〈２）は油受皿、（３）は上アク
チュエータ、（３ｂ）は下アクチュエータ、（４）は歪
み板、（５）は抵抗線歪みゲージ、（８）は残油量検出
装置全体。
なお各図中同一符号は同−又は相当部分を示すものとす
る。FIGS. 1 and 2 are diagrams for explaining a residual oil amount detection device according to the present invention, and FIGS. 3 and 4 are diagrams for explaining a conventional device, respectively. (1) is the oil storage tank, <2) is the oil pan, (3) is the upper actuator, (3b) is the lower actuator, (4) is the strain plate, (5) is the resistance wire strain gauge, and (8) is the residual oil. The entire quantity detection device. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
面に一端をこの歪み板（４）に固定して固定端とし他の
一端をこの歪み板（４）の間に小隙（ａ１）を持たせた
自由端とした上アクチュエータ（３）と、上記歪み板（
４）の裏面に上記上アクチュエータ（３）と対称的な固
定端と小隙（ａ２）を持たせた自由端とした下アクチュ
エータ（３ｂ）と、上記歪み板（４）が歪んで変形する
場合には一体となって伸縮自在に変形するようにこの歪
み板（４）に取り付けられた抵抗線歪みゲージ（５）と
で形成され、上記上アクチュエータ（３）上面に油受皿
（２）を配置し、この油受皿（２）の上面に搭載した貯
油タンク（１）の残油量を上記抵抗線歪みゲージ（５）
が残油量の変化に応じて伸縮することによる電気抵抗の
値の変化を検出することで残油量を検出する残油量検出
装置において、 上記上アクチュエータ（３）を油受皿座台と一体化して
形成し、上記油受皿（２）を直接この上アクチュエータ
（３）上に形成した油受皿座台に配置することを特徴と
する残油量検出装置。[Claims] A strained plate (4) having elastic force, and one end fixed to the surface of this strained plate (4) to serve as a fixed end, and the other end fixed to the surface of this strained plate (4). The upper actuator (3) has a free end with a small gap (a1) between the upper actuator (3) and the distortion plate (4).
4) When the lower actuator (3b) has a fixed end symmetrical to the upper actuator (3) and a free end with a small gap (a2) on the back surface of the lower actuator (3b), and the distortion plate (4) is distorted and deformed. and a resistance wire strain gauge (5) attached to this strain plate (4) so as to be elastically deformed as one body, and an oil pan (2) is arranged on the upper surface of the upper actuator (3). The amount of remaining oil in the oil storage tank (1) mounted on the top surface of this oil pan (2) is measured using the resistance wire strain gauge (5).
In a residual oil amount detection device that detects the amount of remaining oil by detecting a change in the value of electrical resistance caused by expansion and contraction in accordance with changes in the amount of remaining oil, the above-mentioned upper actuator (3) is integrated with the oil pan pedestal. A residual oil amount detecting device characterized in that the oil pan (2) is arranged directly on an oil pan pedestal formed on the upper actuator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21922888A JPH0268417A (en) | 1988-09-01 | 1988-09-01 | Detector of residual oil quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21922888A JPH0268417A (en) | 1988-09-01 | 1988-09-01 | Detector of residual oil quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268417A true JPH0268417A (en) | 1990-03-07 |
Family
ID=16732209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21922888A Pending JPH0268417A (en) | 1988-09-01 | 1988-09-01 | Detector of residual oil quantity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268417A (en) |
-
1988
- 1988-09-01 JP JP21922888A patent/JPH0268417A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1043318A (en) | Load-sensing vibration isolator | |
| EP1189045B1 (en) | Load sensor equipped with platelike strain-generating member having strain elements | |
| US4726435A (en) | Load cell weighing apparatus | |
| KR101404268B1 (en) | Highly sensitive piezoresistive element | |
| CA2113290A1 (en) | Wafer Sensing and Clamping Monitor | |
| EP1428004A2 (en) | Method and apparatus for force-based touch input | |
| CN100403552C (en) | Capacitive momentum sensor | |
| US4420054A (en) | Weighing apparatus with overload protection for off-center loading | |
| EP0531828A1 (en) | Weight sensor device | |
| EP0485553A1 (en) | Preload system for accelerometer | |
| JPH0268417A (en) | Detector of residual oil quantity | |
| CN213301541U (en) | Flange type tension sensor with overload protection | |
| CN113447170B (en) | Force detection device | |
| US4938065A (en) | Acceleration detecting device | |
| JPS6133536Y2 (en) | ||
| JP3297887B2 (en) | Capacitive sensor | |
| TW507066B (en) | Balance composed of load sensor unit with stopper mechanism | |
| JP2559540B2 (en) | Capacitive load cell | |
| JPH0439552Y2 (en) | ||
| CN216954817U (en) | Electronic scale with anti-overload use | |
| JP2004340731A (en) | Load sensor | |
| JPH031778Y2 (en) | ||
| KR20180119155A (en) | Detachable electric rice cooker | |
| JPS587307Y2 (en) | Abnormal use prevention device for load cell scales | |
| JPH0499964A (en) | Semiconductor acceleration sensor |