JPS5826224A - Detection of abnormality in measuring in fluid measuring device - Google Patents
Detection of abnormality in measuring in fluid measuring deviceInfo
- Publication number
- JPS5826224A JPS5826224A JP56124375A JP12437581A JPS5826224A JP S5826224 A JPS5826224 A JP S5826224A JP 56124375 A JP56124375 A JP 56124375A JP 12437581 A JP12437581 A JP 12437581A JP S5826224 A JPS5826224 A JP S5826224A
- Authority
- JP
- Japan
- Prior art keywords
- flowmeters
- circuit
- abnormality
- flow rate
- nozzle
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は流体計量装置（おける計量異常検出方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for detecting measurement abnormality in a fluid metering device.
流体針量装置、例えばガソリン計量機において、高速１
［（単位時間当りの給油量の多いもの）を作るには、標
準仕様の給油機に装置される標準仕様の流量針よりも高
能力の流量針を必要とする。しかし、仕様の異なる流量
針を特別に製作するのは製造コストおよび管理上望まし
くないから、標準仕様の流量針を複数値組合わせて能力
を増大させるのが値ましい。In a fluid needle metering device, such as a gasoline metering machine, high speed 1
[In order to produce a large amount of oil supplied per unit time, a flow rate needle with higher capacity than the standard flow rate needle installed in the standard specification refueling machine is required. However, since it is undesirable to specially manufacture flow rate needles with different specifications from the viewpoint of manufacturing costs and management, it is desirable to increase the capacity by combining multiple values of standard specification flow rate needles.
本発明は、同一能力の流量針を複数個備えた流体針量装
置において１流量計１発信器、または計数回路を含む計
量系統に故障ないし異常を生じたときに、これを検出す
る方法を提供したものである◇
図面を参照して爽施例な詳説する。The present invention provides a method for detecting when a failure or abnormality occurs in one flowmeter, one transmitter, or a metering system including a counting circuit in a fluid needle metering device equipped with a plurality of flow rate needles of the same capacity. ◇ A detailed explanation will be given with reference to the drawings.
１は油汲上管で下方は地下タンク（図示省略）に連通し
、上端は二本の分岐管２ａｘ２ｂに分れる。Reference numeral 1 denotes an oil pump pipe, the lower part of which communicates with an underground tank (not shown), and the upper end of which is divided into two branch pipes 2ax2b.
３は汲上管１に挿入された給油ポンプ、４はポンプ用モ
ータ、５ａｓ５ｂはそれぞれ分岐管２ａｘ２ｂに挿入さ
れた第１および第２の流量針、６ａ ｓ ６ｂはそれぞ
れ流量針５ａ、５ｂの計量値に応じた流量パルス（Ｉｊ
ｌ ｔ ）ｆ ｌ／１００リツトルに１パルス）Ｂ＆、
Ｂ’ｂを完備する第１および第２の流量パルス発信器、
７は分岐管２ａの流量計５ａの１次側と分岐管２ｂの流
量計５ｂの２次側とを連絡する連絡管、ＶａｖｂＳｖｏ
はそれぞれ分岐管２ａｓ２ｂおよび連絡管７に挿入され
た弁である。3 is the oil supply pump inserted into the pumping pipe 1, 4 is the pump motor, 5as5b is the first and second flow rate needle inserted into the branch pipe 2ax2b, respectively, and 6a s 6b is the measured value of the flow rate needles 5a and 5b, respectively. The flow rate pulse (Ij
l t )f l/1 pulse per 100 liters) B&,
first and second flow pulse transmitters, complete with B'b;
7 is a communication pipe VavbSvo that connects the primary side of the flowmeter 5a of the branch pipe 2a and the secondary side of the flowmeter 5b of the branch pipe 2b.
are valves inserted into the branch pipe 2as2b and the communication pipe 7, respectively.
分岐管２ａと２ｂは合体して送油管８となりホース（図
示省略）を介して公知の給油ノズル（図示省略）に接続
される。The branch pipes 2a and 2b are combined to form an oil supply pipe 8, which is connected to a known oil supply nozzle (not shown) via a hose (not shown).
９はノズル検知スイッチで、例えば地上設置型給油機の
ハウジングに設けたノズルケース内に起債され、ノズル
のノズルケースへの掛は外しによって動作される。ノズ
ルをノズルケースから外したとぎ、ノズル検知スイッチ
からの信号（ノズル信号）が立ち上り（Ｈとなり）、ノ
ズルをノズルケースに戻したとき、ノズル信号が立ち下
る（Ｌとなる）。Reference numeral 9 denotes a nozzle detection switch, which is installed, for example, in a nozzle case provided in the housing of a ground-mounted refueling machine, and is operated by hooking and unhooking the nozzle to the nozzle case. When the nozzle is removed from the nozzle case, the signal from the nozzle detection switch (nozzle signal) rises (becomes H), and when the nozzle is returned to the nozzle case, the nozzle signal falls (becomes L).
ノズル信号Ｈはモータ制御回路１０をしてポンプモータ
番を付勢させるとともに、第１および第２計数回路１１
ａ ％ ｌｌｂ 、加算回路１２並びに比較回路１３を
９セツトする。ノズル信ＩＬはモータ制御回路１ｏをし
てモータ４を消勢させる。The nozzle signal H causes the motor control circuit 10 to energize the pump motor number, and also causes the first and second counting circuits 11
a %llb , the adder circuit 12 and the comparator circuit 13 are set to 9. The nozzle signal IL causes the motor control circuit 1o to de-energize the motor 4.
常時は弁Ｖ５ＬｚＶｂを開ぎ、弁ＶＯを閉じておきノズ
ルをノズルケースから外しノズル筒先ヲ被給油タンクへ
挿入し給油を行なうと、給油の進行に応じてパルス発信
器６ａｘ６ｂから発信される流量パルスが針数回路１１
ａｘｌｌｂで針数される。その計数出力信号Ｏａ、Ｏｂ
は面算回路１２で加算され加算結果（給油量）の信号ｐ
は切換回路１４を経て表示器駆動回路１５に入力され、
給油量（および必要に応じて給油量Ｉｔ）が表示器１６
に表示される。このとぎ切換回路１４は切換スイッチ１
７によって加算回路１２からの信号りを表示器駆動回路
１５へ導くように設定されていＬ０針数回路１１ａ 、
１１／ｂの計数出力信［０ａＳＯｂは比較回路１３お
よび切換回路１４にも入力される。Normally, the valves V5LzVb are open and the valve VO is closed. When the nozzle is removed from the nozzle case and the nozzle tip is inserted into the tank to be refueled to perform refueling, the flow rate pulses transmitted from the pulse transmitter 6ax6b as refueling progresses. is the stitch count circuit 11
The number of stitches is determined by axllb. The counting output signals Oa, Ob
is added by the area calculation circuit 12 and the addition result (oil supply amount) signal p
is input to the display drive circuit 15 via the switching circuit 14,
The amount of refueling (and the amount of refueling It if necessary) is displayed on the display 16.
will be displayed. This toggle switching circuit 14 is a switch 1
L0 stitch count circuit 11a,
The count output signal [0aSOb of 11/b is also input to the comparison circuit 13 and the switching circuit 14.
比較回路１３は常時または一定時間毎に両伽４！ｊｏａ
とＯｂを比較し両者に一定以上の差があるときは異常検
出信号１を出力し報知器駆動回路１８をして報知ｌｌ１
１９に報知動作させる。The comparison circuit 13 outputs Ryoga4! at all times or at regular intervals. joa
and Ob are compared, and if there is a difference of more than a certain value between the two, an abnormality detection signal 1 is output, and the alarm drive circuit 18 makes an alarm ll1.
19 to perform the notification operation.
比較回路１３による比較は例えば信４ｊｏ３を基準とし
て信号Ｏｂとの比または差を求めることによって行なう
ことができる。例えば、信号Ｏａが一定値に達する毎に
（例えば１リツトル毎の）両信号ＯａとＯｂの差を求め
る。The comparison by the comparison circuit 13 can be performed, for example, by using the signal 4jo3 as a reference and determining the ratio or difference between the signal Ob and the signal Ob. For example, each time the signal Oa reaches a certain value (for example, every 1 liter), the difference between the two signals Oa and Ob is determined.
異常検出信号Ｉはモータ制御回路１０にも入力されモー
タ４を停止させる。The abnormality detection signal I is also input to the motor control circuit 10 to stop the motor 4.
そこでノズルをノズルケースに戻し、弁Ｖａ 。Then, return the nozzle to the nozzle case and close the valve Va.
ｖｂを閉じ、ｖＯを開いて流量計５ａと５ｂを連絡管７
を介して直列に接続し、切換スイッチ１７によって切換
回路１４を切換え例えば計数回路１１ａの出力Ｏａを表
示器駆動回路１５に導くようにし、ノズルをノズルケー
スから外して計数回路１１＆、１１ｂを帰零させ、ノズ
ルを操作して一定量の給油を行なう。この給油量は上記
スイッチ１４の切換え状態くよって流量計５ａによる計
量値として表示１１１６に表示される。Close vb, open vO, and connect flowmeters 5a and 5b to connecting pipe 7.
The switching circuit 14 is switched by the changeover switch 17 so that, for example, the output Oa of the counting circuit 11a is guided to the display drive circuit 15, and the nozzle is removed from the nozzle case to return the counting circuits 11&, 11b to zero. and operate the nozzle to supply a certain amount of oil. The amount of oil supplied is displayed on the display 1116 as a measured value by the flow meter 5a depending on the switching state of the switch 14.
上記一定量の給油は流量針５ａと直列に接続された流量
計５ｂによっても同じ給油量として計量されている瞥で
ある。従って、切換スイッチ１７を切換えて計りｋ回路
１妻すの計数出力信号ｏｂを表示器駆動回路１５に導い
て流量計５ｂの計量値を表示ｗ１６に表示させる。The above-mentioned fixed amount of oil supply is also measured as the same amount of oil supply by a flowmeter 5b connected in series with the flow rate needle 5a. Therefore, the changeover switch 17 is changed to guide the count output signal ob of the meter k circuit 1 to the display drive circuit 15, and the measured value of the flowmeter 5b is displayed on the display w16.
なお信号０６．、Ｏｋ）が択一的に切換回路１４を介し
て表示器駆動回路１５＃ｃ入力されるよう切換スイッチ
１フが操作されると１は切換スイッチ１７かもの信号１
によって比較回路１３は比較動作しない。Furthermore, signal 06. , Ok) is selectively input to the display drive circuit 15#c via the switching circuit 14, when the changeover switch 1F is operated, 1 becomes the signal 1 of the changeover switch 17.
Therefore, the comparison circuit 13 does not perform a comparison operation.
先の表示値（流量計５ａの計量値）と今の表示値（流量
計５ｂの計量値）との間に許容値以上の差があると、い
ずれか一方の計量系統（流量針、流量パルス発信器、計
数回路部）に故障ないし異常があると判断される◇そこ
で、基準計量ますによる計量値と各系統毎の表示器１６
における計量値とを比較することによってどの系統に異
常があるかを検出することかできる。If there is a difference greater than the allowable value between the previous display value (measurement value of flowmeter 5a) and the current display value (measurement value of flowmeter 5b), either one of the measurement systems (flow rate needle, flow rate pulse) It is judged that there is a failure or abnormality in the transmitter, counting circuit section)
It is possible to detect which system has an abnormality by comparing it with the measured value at .
上記実施例では流量計を２個すなわち２計量系統しか設
けていないが、３ＩＩ以上であってもよい。In the above embodiment, only two flowmeters, that is, two measurement systems are provided, but 3II or more flowmeters may be provided.
この場合比較回路１３はいずれか一つの系統を基準とし
その系統の計量値を他の系統の計量値と同時にまたは順
次比較することかできるように構成すればよい。In this case, the comparison circuit 13 may be configured to use any one system as a reference and compare the measured values of that system simultaneously or sequentially with the measured values of the other systems.
以上のように本発明によれば、同一能力の？ｌｌ１ｌｌ
！の計量系統を有する流体計量装置において各計量系統
の異常を簡単容易に検出することができる。As described above, according to the present invention, ? ll1ll
! In a fluid metering device having several metering systems, abnormalities in each metering system can be easily detected.
図は本発明方法を実施する装置の一例を示すプロツタ図
である。
Ｎ
１・・拳ポンプ、 ２・−・ｌンプモータ、５ａ
１５ｂ・・・流量針、
６ａ、６ｂｅ・・流量パルス発信器、
９・・・ノズル検知スイッチ、
１０−−−モータ制御回路
１１ａ％ ｌｌｂ ・・拳計敵回路、１２・争−加算
回路−１３仁・・比較回路、１４・・・切換回路、 １
５吻・・表示器駆動回路、１６・・−表示器、’
１７−・６切換スイツチ、１８・・・報知−駆動回路、
１９・・・報知器。The figure is a plotter diagram showing an example of an apparatus for carrying out the method of the present invention. N 1...Fist pump, 2...l pump motor, 5a
15b...Flow rate needle, 6a, 6be...Flow rate pulse transmitter, 9...Nozzle detection switch, 10---Motor control circuit 11a% llb...Fist meter enemy circuit, 12.Contest-addition circuit-13 Jin: Comparison circuit, 14: Switching circuit, 1
5 proboscis...display device drive circuit, 16...-display device,'
17-.6 changeover switch, 18... Alarm-drive circuit, 19... Alarm.
Claims (1)
針の計量値を加算表示するようにした流体計量装置にお
いて、前記流量針の計量値の差または比が一定値を超え
たとき、これを報知するようにしたことを特徴とする計
量異常検出方法。In a fluid measuring device in which multiple flow rate needles of the same capacity are connected and arranged in parallel and the measured values of each flow rate needle are added and displayed, when the difference or ratio of the measured values of the flow rate needles exceeds a certain value. , a measurement abnormality detection method characterized in that this is notified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56124375A JPS5826224A (en) | 1981-08-08 | 1981-08-08 | Detection of abnormality in measuring in fluid measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56124375A JPS5826224A (en) | 1981-08-08 | 1981-08-08 | Detection of abnormality in measuring in fluid measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5826224A true JPS5826224A (en) | 1983-02-16 |
| JPH0343565B2 JPH0343565B2 (en) | 1991-07-03 |
Family
ID=14883837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56124375A Granted JPS5826224A (en) | 1981-08-08 | 1981-08-08 | Detection of abnormality in measuring in fluid measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5826224A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023762U (en) * | 1983-07-25 | 1985-02-18 | 有限会社前田工機研究所 | Fluid detection device |
| JPS60236033A (en) * | 1984-05-09 | 1985-11-22 | Toshiba Corp | Measuring instrument of flow rate |
| JP2006189259A (en) * | 2004-12-28 | 2006-07-20 | Aloka Co Ltd | Method and apparatus for detecting state of piping |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5392160A (en) * | 1977-01-25 | 1978-08-12 | Omron Tateisi Electronics Co | Method of inspecting article |
-
1981
- 1981-08-08 JP JP56124375A patent/JPS5826224A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5392160A (en) * | 1977-01-25 | 1978-08-12 | Omron Tateisi Electronics Co | Method of inspecting article |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023762U (en) * | 1983-07-25 | 1985-02-18 | 有限会社前田工機研究所 | Fluid detection device |
| JPH0228453Y2 (en) * | 1983-07-25 | 1990-07-31 | ||
| JPS60236033A (en) * | 1984-05-09 | 1985-11-22 | Toshiba Corp | Measuring instrument of flow rate |
| JPH0352812B2 (en) * | 1984-05-09 | 1991-08-13 | Tokyo Shibaura Electric Co | |
| JP2006189259A (en) * | 2004-12-28 | 2006-07-20 | Aloka Co Ltd | Method and apparatus for detecting state of piping |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343565B2 (en) | 1991-07-03 |
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