JP7149458B2 - ガスメータ - Google Patents
ガスメータ Download PDFInfo
- Publication number
- JP7149458B2 JP7149458B2 JP2018207847A JP2018207847A JP7149458B2 JP 7149458 B2 JP7149458 B2 JP 7149458B2 JP 2018207847 A JP2018207847 A JP 2018207847A JP 2018207847 A JP2018207847 A JP 2018207847A JP 7149458 B2 JP7149458 B2 JP 7149458B2
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- pressure
- value
- leakage
- gas
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
- G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
- G01F3/20—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows
- G01F3/22—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows for gases
- G01F3/221—Valves therefor
-
- 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
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/005—Valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
- G01F15/063—Indicating or recording devices for remote indication using electrical means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Description
図1は、本発明の第1の実施の形態におけるガスメータの構成図を示すものである。
定値Pa(Tb)以上であれば、漏洩と判定する(S112)。
弁4の開栓や閉栓を操作する為のスイッチの組み合わせによる操作としても良い。また、予め設定された時刻に定期的に漏洩検出を開始するようにしても良い。また、通信部7に対して外部の設定器等による電文で指示する構成でもよい。更に、流量計測部2で計測される流量からガス未使用の時間帯を判断し、ガス未使用の時間帯に漏洩検出を定期的に自動で開始するようにしても良い。
次に、実施の形態2について、図5に示すフローチャート、及び、図6にコード変換テーブルを用いて説明する。なお、本実施の形態における構成は実施の形態1で用いた図1と同様であり説明は省略する。
2 流量計測部
3 圧力検出部
4 遮断弁
5 制御部
5a 漏洩検出部
6 操作部
7 通信部
8 表示部
Claims (2)
- ガスの流量を計測する流量計測部と、
ガスを遮断する遮断弁と、
ガスの圧力を検出する圧力検出部と、
前記流量計測部で計測された流量値と、前記圧力検出部で検出された圧力値とから漏洩の有無を判定する漏洩検出部と、
を備え、
前記漏洩検出部は、前記遮断弁を開栓してから所定時間経過後に計測された流量値と圧力値、及び前記遮断弁を閉栓してから所定時間後に計測された流量値と圧力値を計測し、
計測された流量値と圧力値を単独で漏洩の有無を判定できなかった場合、前記遮断弁の開栓時と閉栓時の流量値と圧力値のそれぞれの差分値を流量差分値及び圧力差分値として求め、前記流量差分値に応じて設定された圧力低下判定値と前記圧力差分値を比較して漏洩の有無を判定することを特徴とするガスメータ。 - 前記圧力低下判定値は、ガスメータが設置された建物の配管容量の範囲毎に設定されたことを特徴とする請求項1に記載のガスメータ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018207847A JP7149458B2 (ja) | 2018-11-05 | 2018-11-05 | ガスメータ |
CN201980053242.8A CN112601940A (zh) | 2018-11-05 | 2019-10-25 | 燃气表 |
EP19881698.5A EP3879239B1 (en) | 2018-11-05 | 2019-10-25 | Gas meter |
PCT/JP2019/042041 WO2020095732A1 (ja) | 2018-11-05 | 2019-10-25 | ガスメータ |
PL19881698.5T PL3879239T3 (pl) | 2018-11-05 | 2019-10-25 | Gazomierz |
ES19881698T ES2967075T3 (es) | 2018-11-05 | 2019-10-25 | Contador de gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018207847A JP7149458B2 (ja) | 2018-11-05 | 2018-11-05 | ガスメータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020076573A JP2020076573A (ja) | 2020-05-21 |
JP7149458B2 true JP7149458B2 (ja) | 2022-10-07 |
Family
ID=70612453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018207847A Active JP7149458B2 (ja) | 2018-11-05 | 2018-11-05 | ガスメータ |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3879239B1 (ja) |
JP (1) | JP7149458B2 (ja) |
CN (1) | CN112601940A (ja) |
ES (1) | ES2967075T3 (ja) |
PL (1) | PL3879239T3 (ja) |
WO (1) | WO2020095732A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11525754B2 (en) * | 2020-10-30 | 2022-12-13 | Honeywell International Inc. | Leak detection system and method |
CN113916468A (zh) * | 2021-09-29 | 2022-01-11 | 浙江威星智能仪表股份有限公司 | 一种基于超声波燃气表的微小流量燃气泄露检测方法 |
CN115560921A (zh) * | 2022-08-12 | 2023-01-03 | 荣成市宇翔实业有限公司 | 监测燃气泄漏的方法、检测安装异常的方法和燃气表 |
CN115560927B (zh) * | 2022-08-12 | 2024-05-31 | 荣成市宇翔实业有限公司 | 燃气泄漏的检测方法和燃气系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009097948A (ja) | 2007-10-16 | 2009-05-07 | Ricoh Elemex Corp | ガスメータ |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3159847B2 (ja) * | 1993-09-07 | 2001-04-23 | 東京瓦斯株式会社 | ガスメータ |
JP3075656B2 (ja) * | 1993-09-07 | 2000-08-14 | 東京瓦斯株式会社 | ガスメータ |
JP3159846B2 (ja) * | 1993-09-07 | 2001-04-23 | 東京瓦斯株式会社 | ガスメータ |
JP3334373B2 (ja) * | 1994-10-26 | 2002-10-15 | 松下電器産業株式会社 | ガス遮断装置 |
JPH08313322A (ja) | 1995-05-19 | 1996-11-29 | Matsushita Electric Ind Co Ltd | ガス漏洩検出装置 |
JP3579976B2 (ja) * | 1995-08-29 | 2004-10-20 | 松下電器産業株式会社 | 配管漏洩監視装置 |
JP3196815B2 (ja) * | 1996-03-27 | 2001-08-06 | 東京瓦斯株式会社 | ガス配管漏洩検査方法及び装置 |
JP2003050177A (ja) * | 2001-08-06 | 2003-02-21 | Tokyo Gas Co Ltd | ガス漏れ検査方法及びそれを実施するガスメータ |
JP2004132809A (ja) * | 2002-10-10 | 2004-04-30 | Ing Corporation:Kk | 微少漏洩検知方式 |
US6970808B2 (en) * | 2004-04-29 | 2005-11-29 | Kingsley E. Abhulimen | Realtime computer assisted leak detection/location reporting and inventory loss monitoring system of pipeline network systems |
JP2005331373A (ja) * | 2004-05-20 | 2005-12-02 | Tokyo Gas Co Ltd | ガスメータ |
JP5034186B2 (ja) * | 2005-08-09 | 2012-09-26 | トヨタ自動車株式会社 | 燃料電池システム、ガス漏れ検知装置、および、ガス漏れ検知方法 |
JP5143608B2 (ja) * | 2008-03-31 | 2013-02-13 | 東京瓦斯株式会社 | ガスメーター、その制御方法及び制御プログラム |
JP2008180741A (ja) | 2008-04-24 | 2008-08-07 | Matsushita Electric Ind Co Ltd | 流量計測装置 |
CA2635104A1 (en) * | 2008-07-07 | 2010-01-07 | Daniel A. Malan | Fluidic volumetric flow measuring and flow management system |
CA3007529C (en) * | 2014-08-14 | 2021-02-23 | Reliance Worldwide Corporation | Methods and apparatus for fluid flow monitoring and leak detection |
CN104197998B (zh) * | 2014-08-28 | 2017-10-10 | 南安市永腾技术咨询有限公司 | 低压损检漏型差压式流量检测装置及标定方法和测量方法 |
-
2018
- 2018-11-05 JP JP2018207847A patent/JP7149458B2/ja active Active
-
2019
- 2019-10-25 CN CN201980053242.8A patent/CN112601940A/zh active Pending
- 2019-10-25 ES ES19881698T patent/ES2967075T3/es active Active
- 2019-10-25 WO PCT/JP2019/042041 patent/WO2020095732A1/ja unknown
- 2019-10-25 PL PL19881698.5T patent/PL3879239T3/pl unknown
- 2019-10-25 EP EP19881698.5A patent/EP3879239B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009097948A (ja) | 2007-10-16 | 2009-05-07 | Ricoh Elemex Corp | ガスメータ |
Also Published As
Publication number | Publication date |
---|---|
ES2967075T3 (es) | 2024-04-25 |
PL3879239T3 (pl) | 2024-03-18 |
JP2020076573A (ja) | 2020-05-21 |
EP3879239A4 (en) | 2021-12-08 |
EP3879239A1 (en) | 2021-09-15 |
EP3879239B1 (en) | 2023-10-18 |
WO2020095732A1 (ja) | 2020-05-14 |
CN112601940A (zh) | 2021-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7149458B2 (ja) | ガスメータ | |
US20190063689A1 (en) | Leak detection device and method | |
JP5293152B2 (ja) | ガス遮断装置 | |
EP1803998B1 (en) | Gas shutoff apparatus and gas shutoff method | |
JP4770507B2 (ja) | 流体安全装置 | |
JP2008134125A (ja) | ガス遮断装置 | |
JP5428518B2 (ja) | ガス遮断装置 | |
WO2009110214A1 (ja) | 流量計測装置 | |
JP5125077B2 (ja) | ガス遮断装置 | |
JP5195566B2 (ja) | 流量計測装置及びこれを用いた流体供給システム及びプログラム | |
JP5074791B2 (ja) | ガス漏れ判別装置 | |
JP4612105B2 (ja) | 復帰安全確認方法および電子式ガスメータ | |
JP5914093B2 (ja) | ガス遮断装置 | |
JPH05273012A (ja) | マイクロフローセンサ付フルイディック式ガスメータにおける復帰漏洩検査方法 | |
JP2020187082A (ja) | ガス保安装置 | |
JP2009047363A (ja) | ガス遮断装置 | |
JP5006492B2 (ja) | ガス漏洩検知機能を備えた流量計 | |
CN115560927B (zh) | 燃气泄漏的检测方法和燃气系统 | |
JP4893523B2 (ja) | ガス遮断装置およびガス供給システム | |
JP4651784B2 (ja) | ガス遮断装置 | |
JP2008203247A (ja) | ガス遮断装置 | |
JP4296915B2 (ja) | ガス遮断装置 | |
JP6309864B2 (ja) | ガス遮断装置 | |
JP4701158B2 (ja) | ガス遮断装置 | |
JP2010019867A (ja) | 復帰安全確認方法および電子式ガスメータ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20190124 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210218 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20211109 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211217 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20220517 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220720 |
|
C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20220720 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20220727 |
|
TRDD | Decision of grant or rejection written | ||
C21 | Notice of transfer of a case for reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C21 Effective date: 20220802 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220816 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220829 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 7149458 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |