JPH0643059A - Gas meter having built-in pressure sensor - Google Patents
Gas meter having built-in pressure sensorInfo
- Publication number
- JPH0643059A JPH0643059A JP19709392A JP19709392A JPH0643059A JP H0643059 A JPH0643059 A JP H0643059A JP 19709392 A JP19709392 A JP 19709392A JP 19709392 A JP19709392 A JP 19709392A JP H0643059 A JPH0643059 A JP H0643059A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- pressure
- flow rate
- gas meter
- pressure sensor
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は圧力センサ内蔵ガスメ
ータに係り、特にガス圧力低下による事故の発生を未然
に防ぐことのできる圧力センサ内蔵ガスメータに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas meter with a built-in pressure sensor, and more particularly to a gas meter with a built-in pressure sensor capable of preventing an accident due to a decrease in gas pressure.
【０００２】[0002]
【従来の技術】従来の圧力センサを内蔵したガスメータ
では、供給圧力が著しく低下した場合に、ガスメータに
内蔵した遮断弁を閉じ、供給設備の異常を通報する機能
を有している。図４に一般的なガス供給設備の構成を示
す。図４において、ボンベ１から供給されるガスは調整
器２により圧力が調整され、ガスメータ３に送られる。
ガスメータ３により計量されたガスは燃焼器４に供給さ
れる。2. Description of the Related Art A conventional gas meter having a built-in pressure sensor has a function of closing a shut-off valve built in the gas meter and notifying an abnormality of supply equipment when the supply pressure is significantly reduced. FIG. 4 shows the configuration of a general gas supply facility. In FIG. 4, the pressure of the gas supplied from the cylinder 1 is adjusted by the adjuster 2 and sent to the gas meter 3.
The gas measured by the gas meter 3 is supplied to the combustor 4.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら燃焼器４
が大型であったり、数が多い場合には、ボンベ１、調整
器２、ガスメータ３の供給能力が不足して供給圧が低下
することがある。この場合には燃焼器４が不完全燃焼と
なり、最悪の場合事故に至る危険があった。また調整器
２や配管の不適合などの供給設備不良がある場合にも、
同様に供給圧が低下して同様の事故が発生するおそれも
あった。However, the combustor 4
When the number is large or the number is large, the supply capacity of the cylinder 1, the regulator 2, and the gas meter 3 may be insufficient and the supply pressure may decrease. In this case, the combustor 4 is incompletely burned, which may lead to an accident in the worst case. Also, if there is a defective supply facility such as incompatibility of the regulator 2 or piping,
Similarly, the supply pressure may drop and a similar accident may occur.
【０００４】この発明は上記課題に鑑みてなされたもの
で、ガス供給能力不足か供給設備不良かを検出して警報
を発し、安全を確保することのできる圧力センサ内蔵ガ
スメータを提供することを目的とする。The present invention has been made in view of the above problems, and an object of the present invention is to provide a gas meter with a built-in pressure sensor, which can detect whether the gas supply capacity is insufficient or the supply facility is defective and issue an alarm to ensure safety. And
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、請求項１に記載のこの発明は、圧力センサを内蔵し
たガスメータにおいて、前記圧力センサが検出した前記
ガスメータ内のガス圧力が所定の圧力以下になったこと
を判別する判別手段と、前記ガスメータを通過するガス
通過流量と前記ガスメータの許容通過流量とを比較する
比較手段とを設け、前記判別手段が所定の圧力以下にな
ったことを判別したときに、ガス通過流量が許容通過流
量より大きい場合にガス供給能力不足信号を発し、ガス
通過流量が許容通過流量より小さい場合にはガス供給設
備不良信号を発する警報発生手段を設けたことを特徴と
している。In order to achieve the above object, the present invention according to claim 1 provides a gas meter having a built-in pressure sensor, wherein the gas pressure in the gas meter detected by the pressure sensor is a predetermined value. A determination means for determining that the pressure is lower than or equal to a pressure, and a comparison means for comparing the gas passage flow rate passing through the gas meter with the allowable passage flow rate of the gas meter are provided, and the determination means is equal to or lower than a predetermined pressure. If the gas passage flow rate is larger than the allowable passage flow rate, a gas supply capacity shortage signal is issued, and if the gas passage flow rate is smaller than the allowable passage flow rate, an alarm generation means is provided to issue a gas supply equipment failure signal. It is characterized by that.
【０００６】請求項２に記載のこの発明は、前記警報発
生手段が発した信号を所定の部位に送信する送信手段を
設けたことを特徴としている。According to a second aspect of the present invention, there is provided a transmitting means for transmitting the signal generated by the alarm generating means to a predetermined portion.
【０００７】[0007]
【作用】上記の構成によると、ガスメータ内のガス圧力
が所定の圧力以下になったことを判別したときに、ガス
通過流量と許容通過流量とを比較することにより、ガス
圧力の低下がガス供給能力不足によるものか、供給設備
不良によるものかを知ることができる。従ってこの警報
に基づいて早期に対処することにより、安全を確保する
ことができる。According to the above structure, when it is determined that the gas pressure in the gas meter has become lower than or equal to a predetermined pressure, the gas flow rate is compared with the allowable flow rate to reduce the gas pressure. You can know whether it is due to lack of capacity or defective supply equipment. Therefore, it is possible to ensure safety by taking an early action based on this warning.
【０００８】[0008]
【実施例】以下、この発明の圧力センサ内蔵ガスメータ
の一実施例を図面を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a gas meter with a built-in pressure sensor of the present invention will be described below with reference to the drawings.
【０００９】図１にこの発明の一実施例の構成を示す。
図１において、図４に示す従来例の部分に対応する部分
には同一の符号を付してあり、その説明は適宜省略す
る。この実施例の特徴はガスメータ３に内蔵された圧力
センサ１１の検出値が所定の圧力値以下になったことを
判別する判別手段１２と、ガスメータ３を通過するガス
通過流量と所定の許容通過流量とを比較する比較手段１
３と、警報発生手段１４と、警報発生手段１４が発した
信号をガス事業者などに送信する送信手段１５とを設け
た点にある。FIG. 1 shows the configuration of an embodiment of the present invention.
In FIG. 1, parts corresponding to those of the conventional example shown in FIG. 4 are designated by the same reference numerals, and the description thereof will be omitted as appropriate. The feature of this embodiment is that the discriminating means 12 for discriminating that the detection value of the pressure sensor 11 built in the gas meter 3 is below a predetermined pressure value, the gas passage flow rate passing through the gas meter 3 and the predetermined permissible passage flow rate. Comparison means 1 for comparing with
3, the alarm generating means 14, and the transmitting means 15 for transmitting the signal generated by the alarm generating means 14 to a gas utility or the like.
【００１０】次に図２を参照して本実施例の動作を説明
する。ステップ１０１において、ガスメータ３による計
量をスタートし、ステップ１０２において、ガスメータ
３内にガスが流れると、ステップ１０３において、圧力
センサ１１によりガス圧力を測定する。次にステップ１
０４において、判別手段１２がガス圧力が所定の圧力以
下になったことを判別したときに、ステップ１０５にお
いて、比較手段１３によりガス通過流量と許容通過流量
とを比較する。そして通過流量が許容流量以上であれ
ば、ステップ１０６において、警報発生手段１４により
供給能力不足警告信号を発する。また通過流量が許容流
量以下であれば、ステップ１０７において、警報発生手
段１４により供給設備不良警告信号を発する。これらの
信号は送信手段１５によってガス事業者などに送信さ
れ、早期に対処することにより安全を確保することがで
きる。そしてステップ１０８において処理を完了する。Next, the operation of this embodiment will be described with reference to FIG. In step 101, measurement by the gas meter 3 is started, and when gas flows in the gas meter 3 in step 102, the gas pressure is measured by the pressure sensor 11 in step 103. Next step 1
When the discriminating means 12 discriminates in 04 that the gas pressure has become equal to or lower than the predetermined pressure, in step 105, the comparing means 13 compares the gas passage flow rate with the allowable passage flow rate. If the passing flow rate is greater than or equal to the allowable flow rate, the alarm generation means 14 issues a supply capacity shortage warning signal in step 106. If the passing flow rate is less than or equal to the allowable flow rate, in step 107, the alarm generation means 14 issues a supply facility failure warning signal. These signals are transmitted to the gas utility etc. by the transmission means 15, and it is possible to ensure safety by taking an early action. Then, in step 108, the processing is completed.
【００１１】図３に代表的な調整器２のガス圧調整値の
特性を示し、所定の流量範囲内で約２３０mm Ｈ2 Ｏの
ガス圧になるように調整される。この場合判別手段１２
に設定された所定のガス圧力は約２００mm Ｈ2 Ｏとな
る。またガスメータ１１の許容通過流量はメータ最大流
量の約８０％に設定される。FIG. 3 shows the characteristic of the gas pressure adjustment value of a typical regulator 2, which is adjusted to a gas pressure of about 230 mm H 2 O within a predetermined flow rate range. In this case, the discrimination means 12
The predetermined gas pressure set at is about 200 mm H 2 O. The allowable flow rate of the gas meter 11 is set to about 80% of the maximum meter flow rate.
【００１２】この実施例によれば、ガスメータ３内のガ
ス圧力が所定値より低下したときに、その原因が燃焼器
４が大きすぎるなどによるガス供給能力不足であるか、
調整器不良や配管の不適合などによる供給設備不良であ
るかの判別を行うことができ、早期に対処して安全を確
保することができる。According to this embodiment, when the gas pressure in the gas meter 3 falls below a predetermined value, the cause is that the combustor 4 is too large, or the gas supply capacity is insufficient.
It is possible to determine whether or not there is a supply facility failure due to a regulator failure, piping incompatibility, etc., and it is possible to take an early action and ensure safety.
【００１３】[0013]
【発明の効果】以上説明したように、この発明の圧力セ
ンサ内蔵ガスメータによれば、メータ内のガス圧力が低
下したときにその原因がガス供給能力不足によるもの
か、供給設備不良によるものかを判別することができ、
早期に対処して安全を確保することができる。As described above, according to the gas meter with a built-in pressure sensor of the present invention, when the gas pressure in the meter is lowered, it is determined whether the cause is due to insufficient gas supply capacity or defective supply equipment. Can be determined,
You can deal with it early and ensure safety.
【図面の簡単な説明】[Brief description of drawings]
【図１】この発明の圧力センサ内蔵ガスメータの一実施
例を用いたガス供給設備の構成を示すブロック図。FIG. 1 is a block diagram showing a configuration of gas supply equipment using an embodiment of a gas meter with a built-in pressure sensor of the present invention.
【図２】この発明の一実施例の動作を説明するフロー
図。FIG. 2 is a flowchart illustrating the operation of the embodiment of the present invention.
【図３】図１の調整器の特性を示す線図。3 is a diagram showing characteristics of the regulator shown in FIG. 1. FIG.
【図４】従来のガス供給設備の一例の構成を示すブロッ
ク図。FIG. 4 is a block diagram showing a configuration of an example of a conventional gas supply facility.
３ ガスメータ １１ 圧力センサ １２ 判別手段 １３ 比較手段 １４ 警報発生手段 １５ 送信手段 3 Gas Meter 11 Pressure Sensor 12 Discriminating Means 13 Comparing Means 14 Alarm Generating Means 15 Sending Means
Claims (2)
て、前記圧力センサが検出した前記ガスメータ内のガス
圧力が所定の圧力以下になったことを判別する判別手段
と、前記ガスメータを通過するガス通過流量と前記ガス
メータの許容通過流量とを比較する比較手段とを設け、
前記判別手段が所定の圧力以下になったことを判別した
ときに、ガス通過流量が許容通過流量より大きい場合に
ガス供給能力不足信号を発し、ガス通過流量が許容通過
流量より小さい場合にはガス供給設備不良信号を発する
警報発生手段を設けたことを特徴とする圧力センサ内蔵
ガスメータ。1. A gas meter having a built-in pressure sensor, a judging means for judging that a gas pressure in the gas meter detected by the pressure sensor has become a predetermined pressure or less, and a gas passage flow rate passing through the gas meter. Providing a comparison means for comparing the allowable flow rate of the gas meter,
When the determination means determines that the pressure is equal to or lower than the predetermined pressure, a gas supply capacity shortage signal is issued when the gas passage flow rate is larger than the allowable passage flow rate, and when the gas passage flow rate is smaller than the allowable passage flow rate, the gas is supplied. A gas meter with a built-in pressure sensor, which is provided with an alarm generating means for issuing a supply facility failure signal.
部位に送信する送信手段を設けたことを特徴とする請求
項１記載の圧力センサ内蔵ガスメータ。2. The gas meter with a built-in pressure sensor according to claim 1, further comprising transmitting means for transmitting a signal generated by the alarm transmitting means to a predetermined portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19709392A JP2651324B2 (en) | 1992-07-23 | 1992-07-23 | Gas meter with built-in pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19709392A JP2651324B2 (en) | 1992-07-23 | 1992-07-23 | Gas meter with built-in pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0643059A true JPH0643059A (en) | 1994-02-18 |
| JP2651324B2 JP2651324B2 (en) | 1997-09-10 |
Family
ID=16368614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19709392A Expired - Fee Related JP2651324B2 (en) | 1992-07-23 | 1992-07-23 | Gas meter with built-in pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2651324B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085486A (en) * | 1994-06-15 | 1996-01-12 | Sensor Gijutsu Kenkyusho:Kk | Method of measuring gas supply pressure |
| WO2009057753A1 (en) | 2007-11-02 | 2009-05-07 | Kabushiki Kaisha Kobe Seiko Sho | Mechanism for regulating kneadability, extruder, continuous kneading machine, method for regulating kneadability and kneading method |
-
1992
- 1992-07-23 JP JP19709392A patent/JP2651324B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085486A (en) * | 1994-06-15 | 1996-01-12 | Sensor Gijutsu Kenkyusho:Kk | Method of measuring gas supply pressure |
| WO2009057753A1 (en) | 2007-11-02 | 2009-05-07 | Kabushiki Kaisha Kobe Seiko Sho | Mechanism for regulating kneadability, extruder, continuous kneading machine, method for regulating kneadability and kneading method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2651324B2 (en) | 1997-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |