JPH01132914A - Gas blocking apparatus - Google Patents

Gas blocking apparatus

Info

Publication number
JPH01132914A
JPH01132914A JP29104387A JP29104387A JPH01132914A JP H01132914 A JPH01132914 A JP H01132914A JP 29104387 A JP29104387 A JP 29104387A JP 29104387 A JP29104387 A JP 29104387A JP H01132914 A JPH01132914 A JP H01132914A
Authority
JP
Japan
Prior art keywords
gas
flow rate
line
signal
control part
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
Application number
JP29104387A
Other languages
Japanese (ja)
Other versions
JP2604763B2 (en
Inventor
Shinichi Nakane
伸一 中根
Takashi Uno
宇野 尚
Toru Kobayashi
徹 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP62291043A priority Critical patent/JP2604763B2/en
Publication of JPH01132914A publication Critical patent/JPH01132914A/en
Application granted granted Critical
Publication of JP2604763B2 publication Critical patent/JP2604763B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To prevent the generation of an accident, to rationalize apparatus constitution and to enhance the communication reliability, by automatically blocking a gas passage at an abnormal time and integrating a use amount while transmitting safety data and gauge examination data as signals. CONSTITUTION:A flow rate measuring means 9 emits a flow rate signal corresponding to the passing gas amount of the gas meter provided in a gas supply line and a gas safety control part 10 detects the use state of gas from said flow rate signal and judges abnormality when said use state deviates from a preset proper use condition to output a blocking signal while a blocking means 11 blocks a gas passage corresponding to the blocking signal. A gas flow rate integrating part 12 integrates the flow rate signal from the means 9 and a transmission control part 31 transmits the safety data of the control part 10 and the integration data of the integration part 12 as signals through a circuit 1 and a circuit control part 15 controls the connection with the circuit 1 or controls circuit connection change-over to one or more terminal device. By this method, constitution such that a meter part as user terminal equipment is integrated with the circuit control part is obtained and communication reliability as a system is enhanced.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、異常時にガス通路に自動的に遮断し、都市ガ
ス・プロパンガス等による爆発事故・中毒事故等の発生
を未然に防止すると共に、ガス使用料の積算を行い、前
記ガス安全情報、及び、ガス検針データを回線を通じて
信号伝送する通信機能を有したガス遮断装置に関する。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention automatically shuts off gas passages in the event of an abnormality to prevent explosions, poisoning accidents, etc. caused by city gas, propane gas, etc. The present invention relates to a gas cutoff device that has a communication function that calculates usage charges and transmits the gas safety information and gas meter reading data through a line.

従来の技術 従来のこの種のガス遮断装置は、第3図に示すように電
話回線1に回線との接続制御あるいは電話端末2とガス
遮断装置3との回線切替を制御する回線インターフェー
ス4が接続されていた。−15は回線保安器であシ、6
.7はそれぞれ電話器2及びガス遮断装置3と、前記回
線インク−フェース4との間の通信線で、回線切替によ
シミ話四線と接続され情報通信が可能とな−てぃた。8
は家屋の壁を示している。
BACKGROUND OF THE INVENTION As shown in FIG. 3, a conventional gas cutoff device of this type has a line interface 4 connected to a telephone line 1 for controlling connection to the line or switching the line between a telephone terminal 2 and a gas cutoff device 3. It had been. -15 is a line protector, 6
.. Reference numerals 7 denote communication lines between the telephone set 2 and the gas cutoff device 3, and the line ink face 4, which are connected to the four-line telephone line by line switching to enable information communication. 8
indicates the wall of a house.

この従来のガス遮断装置の構成例を第4因に示す。第3
図と同一番号のものは同じ機能を有する構成要素である
。3のガス遮断装置には、ガス供給ライン中に設けられ
たガスメータの通過ガス量に応じて信号を発する流量測
定手段9と、前記流量測定手段9から送られる流量信号
でガスの使用状態を検出しあらかじめ設定された適正使
用条件を逸脱すると異常と判断して遮断信号を出力する
ガス安全制御部10と、前記ガス安全制御部10からの
遮断信号に応じてガス通路を遮断する遮断手段11と、
前記流量測定手段9からの流量信号を積算するガス流量
積算部12と、前記回線インターフェース4との間での
信号伝送を行う第一の伝送制御部13が含壕れていた。
An example of the configuration of this conventional gas cutoff device is shown in the fourth factor. Third
Components with the same numbers as those in the drawings have the same functions. The gas cutoff device No. 3 includes a flow rate measuring means 9 that emits a signal according to the amount of gas passing through a gas meter provided in the gas supply line, and detects the usage state of the gas based on the flow rate signal sent from the flow rate measuring means 9. a gas safety control section 10 that determines that there is an abnormality if the proper usage conditions set in advance are violated and outputs a cutoff signal; and a cutoff means 11 that cuts off the gas passage in response to the cutoff signal from the gas safety control section 10. ,
A gas flow rate integrating section 12 that integrates the flow rate signal from the flow rate measuring means 9 and a first transmission control section 13 that transmits signals between the line interface 4 were included.

また、4の回線インターフェースには、ガス遮断装置3
との間の信号伝送、及び、回線を介してセンターコンビ
ュークとの間の信号伝送を行う第二の伝送制御部14と
、回線との接続制御あるいは端末器に対し回線切替を制
御する回線制御部15が含まれていた。
In addition, a gas cutoff device 3 is installed on the line interface 4.
A second transmission control unit 14 that transmits signals to and from the center communication unit via the line, and a line that controls connection with the line or controls line switching for the terminal device. A control section 15 was included.

第5図は、ガス遮断装置3の第一の伝送制御部13と、
回線インターフェース4の第二の伝送制御部14との間
の通信線及び、具体的なインターフェース回路例を示し
ているc、14の第二の伝送制御部には、電文情報を制
御するスイッチ手段16と、電流制限用の抵抗17と、
負荷抵抗18が含まれている。また、13の第一の伝送
制御部には、電文情報を制御するスイッチ手段19と、
電流制限用の抵抗20と、負荷抵抗21が含まれている
。すなわち、前記スイッチ手段16.19を各々制御す
ることによって、通信電文を伝送している。実際の回路
では、通信線から混入する電気雑音・サージ・静電気等
に耐えるための保護回路が3.4に各々設けられている
FIG. 5 shows the first transmission control section 13 of the gas cutoff device 3,
A communication line between the line interface 4 and the second transmission control section 14 and a switch means 16 for controlling the message information are provided in the second transmission control section c, 14, which shows a specific example of an interface circuit. and a current limiting resistor 17,
A load resistor 18 is included. Further, the first transmission control section 13 includes a switch means 19 for controlling telegram information;
A current limiting resistor 20 and a load resistor 21 are included. That is, the communication message is transmitted by controlling each of the switch means 16 and 19. In the actual circuit, protection circuits 3 and 4 are respectively provided to withstand electrical noise, surges, static electricity, etc. mixed in from the communication line.

第6図は、各ガスユーザーとセンター間で通信を行う集
中監視システム図を示している□3.22.24は各個
別のガスユーザーに設置された従来のガス遮断装置で、
各々の伝送情報は、4.23.25の回線インターフェ
ースを介し、電話交換設備26を中継してセンター27
のコンピュータ28に送られる。29はセンター側の回
線インターフェースである。このように、1つのセンタ
ーに対して、回線を介して何重、何千ものユーザー情報
が伝送されるのである、 発明が解決しようとする問題点 しかしながら、上記のような構成では、ガスメータ自体
の設置に加えて、回線インターフェースの取り付は工事
が必要であシ、また通信テストにおいては、回線インタ
ーフェースとセンターコンピュータ間の電話回線テスト
と、さらには、ガス遮断装置と回線インターフェース間
の通信テストを実施しなければならながったnさらに、
ガス遮断装置と回線インターフェース各々に通信のため
の伝送制御部を有しなくてはならず、実際の装置構成上
は相当な数の部品を必要とした。また、端末のガス遮断
装置とセンターコンピュータ間の通信に際して上述した
ように、電話回線以外の通信線で信号伝送を行なわなく
てはならず、伝送品質上からも前記通信線間も保証しな
ければならないという要因があ〜た。
Figure 6 shows a diagram of a centralized monitoring system that communicates between each gas user and the center. □3.22.24 is a conventional gas cutoff device installed at each individual gas user.
Each transmission information is relayed through the telephone exchange equipment 26 to the center 27 via the line interface of 4.23.25.
is sent to the computer 28 of. 29 is a line interface on the center side. In this way, thousands of pieces of user information are transmitted to one center via lines.Problems to be Solved by the InventionHowever, with the above configuration, the gas meter itself In addition to installation, installation of the line interface requires construction work, and communication tests include telephone line tests between the line interface and the center computer, and communication tests between the gas cutoff device and the line interface. In addition, it had to be carried out.
The gas cutoff device and the line interface each had to have a transmission control unit for communication, and a considerable number of parts were required in the actual device configuration. In addition, as mentioned above, when communicating between the terminal's gas cutoff device and the center computer, signals must be transmitted over communication lines other than telephone lines, and from the viewpoint of transmission quality, the communication lines must also be guaranteed. There were reasons why it wouldn't happen.

本発明はかかる従来の問題を解消するもので、端末であ
るガス遮断装置と回線インターフェースを一体化するこ
とにより、工事及び装置構成の合理化、そして、システ
ムとしての通信信頼性向上を図るガス遮断装置を提供す
ることを目的とする。
The present invention solves such conventional problems, and by integrating the gas cutoff device, which is a terminal, and the line interface, the gas cutoff device streamlines construction and equipment configuration, and improves communication reliability as a system. The purpose is to provide

問題点を解決するための手段 上記問題点を解決するために本発明のガス遮断装置は、
ガス供給ライン中に設けられたガスメータの通過ガス量
に応じて信号を発する流量測定手段と、前記流量測定手
段から送られる流量信号でガスの使用状態を検出しあら
かじめ設定された適正使用条件を逸脱すると異常と判断
して遮断信号を出力するガス安全制御部と、前記ガス安
全制御部からの遮断信号に応じてガス通路を遮断する遮
断手段と、前記流量測定手段からの流量信号を積算する
ガス流量積算部と、前記ガス安全制御部及びガス流量積
算部の各々ガス安全情報及び積算情報を回線を通じて信
号伝送する伝送制御部と、回線との接続制御あるいは1
つ以上の端末器に対し回線接続切替を制御する回線制御
部とを備えた構成である。
Means for Solving the Problems In order to solve the above problems, the gas cutoff device of the present invention has the following features:
A flow rate measuring means installed in the gas supply line emits a signal according to the amount of gas passing through the gas meter, and the flow rate signal sent from the flow rate measuring means detects the gas usage state and detects deviations from preset proper usage conditions. a gas safety control section that determines that there is an abnormality and outputs a cutoff signal, a cutoff means that cuts off the gas passage in response to the cutoff signal from the gas safety control section, and a gas that integrates the flow rate signal from the flow rate measurement means. a flow rate integration unit, a transmission control unit that transmits signals of gas safety information and integration information of the gas safety control unit and the gas flow rate integration unit through a line, and connection control with the line;
This configuration includes a line control unit that controls line connection switching for two or more terminal devices.

作   用 本発明は上記した構成によって、ガスの利用状態が設定
された適正使用条件を逸脱すれはガス安全制御部によシ
遮断手段を作動させ、ガス供給を停止するので、ガス事
故に至るの全防止できる。
According to the above-described configuration, the present invention causes the gas safety control unit to operate the cutoff means and stop the gas supply when the gas utilization state deviates from the set proper usage conditions, thereby preventing a gas accident. Totally preventable.

また、ガス流量測定手段からの信号を積算し、ガス使用
料として扱えるようにガス流量積算部が作用する。さら
に、これらのガス安全情報、すなわち、適正使用条件内
でガスが正常に使われているか、あるいは、遮断に至る
ような事由が発生したか否か等の情報、そして、メータ
検針のための積算情報を伝送制御部、回線制御部を介し
てセンターコンピュータに送るのである。
Further, a gas flow rate integrating section operates to integrate the signals from the gas flow rate measuring means and treat them as gas usage charges. Furthermore, this gas safety information, i.e., whether the gas is being used normally within proper usage conditions, or whether an event that led to a shutoff has occurred, and the total amount for meter reading. Information is sent to the center computer via the transmission control section and line control section.

実施例 以下、本発明の実施例を添付図面にもとづいて説明する
Embodiments Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.

第1図において、第4図と同一番号のものは同一機能を
有する構成要素である。ガス遮断装置30には、流量測
定手段9と、ガス安全制御部10と、遮断手段11と、
ガス流量積算部12と、回線制御部15と、伝送制御部
31が含まれている。伝送制御部31け、ガス安全制御
部12の情報、及び、ガス流量積算部10の情報を回線
1に送出したり、また、センターコンピュータから回線
を通して送られてくる情報を受信したりする。
In FIG. 1, components with the same numbers as those in FIG. 4 have the same functions. The gas cutoff device 30 includes a flow rate measuring means 9, a gas safety control section 10, a cutoff means 11,
It includes a gas flow rate integration section 12, a line control section 15, and a transmission control section 31. The transmission control section 31 sends information from the gas safety control section 12 and information from the gas flow rate integration section 10 to the line 1, and also receives information sent from the center computer through the line.

すなわち、第4図における第一の伝送制御部13と第二
の伝送制御部14間の通信を無くした構成となっている
。それ故、伝送制御部31の制御は、通信機能としては
回線を介したものだけで良く、制御負荷としては軽くな
っている。
That is, the configuration is such that communication between the first transmission control section 13 and the second transmission control section 14 in FIG. 4 is eliminated. Therefore, the transmission control unit 31 only needs to control the communication function via the line, and the control load is light.

上述したガス遮断装置は、マイクロコンピュータなどの
プログラム動作による演算や判断機能、さらには、通信
処理機能を用いれば容易に実現出来るものである。
The above-mentioned gas cutoff device can be easily realized by using a calculation and judgment function based on a program operation of a microcomputer, as well as a communication processing function.

第2図は、本発明のガス遮断装置を設置した図であり、
第3図と同一番号のものは同じ機能を有する構成要素で
ある。ガス遮断装置30は、回線保安器5と直結させて
いる。すなわち、ガス遮断装置30の回線側の出口は即
電話回線に接続しているのである。また、別の回線端末
器である電話機2へはガス遮断装置30内の回線制御部
から通信線が配されている、本構成によシ、システム構
築時にはガスユーザ一端末側では、ガスメータ、すなわ
ち、本発明のガス遮断装置の設置工事と、本装置とセン
ターコンピュータ間の通信テストだけを実施すればよい
のである。
FIG. 2 is a diagram showing the installation of the gas cutoff device of the present invention,
Components with the same numbers as those in FIG. 3 have the same functions. The gas cutoff device 30 is directly connected to the line protector 5. That is, the line-side outlet of the gas cutoff device 30 is directly connected to the telephone line. In addition, in this configuration, a communication line is arranged from the line control section in the gas cutoff device 30 to the telephone 2, which is another line terminal device.When constructing the system, the gas user terminal side is connected to the gas meter, i.e. It is only necessary to install the gas cutoff device of the present invention and to conduct a communication test between the device and the center computer.

本説明では、電話回線を通信媒体とした例を示したが、
専用回線、あるいは、電信網を用いてもシステムの実現
は可能であり、このときにも、本発明のガス遮断装置を
用いることにより、工事性。
In this explanation, we have shown an example using a telephone line as the communication medium, but
The system can also be realized using a dedicated line or a telegraph network, and even in this case, by using the gas cutoff device of the present invention, ease of construction can be achieved.

通信の信頼性等の向上が図れるのである。This makes it possible to improve the reliability of communication.

発明の効果 以上のように本発明のガス遮断装置によれば次の効果が
得られる。
Effects of the Invention As described above, the gas cutoff device of the present invention provides the following effects.

(1)  ガスユーザ一端末設備としてのメータ部と回
線制御部をメータ側で一体にした構成故に、システムと
しては通信制御部及びその媒体を無くすことが出来、全
体としての信号伝送上の品質向上、すなわち、信頼性の
向上を実現することが出来るのである。
(1) Because the meter unit and line control unit as gas user terminal equipment are integrated on the meter side, the system can eliminate the communication control unit and its medium, improving the quality of signal transmission as a whole. In other words, it is possible to improve reliability.

(2)m未設備の設置性の点からは、メータ部の設置工
事のみで良く、システム導入時の投資額も少なくて済む
ことになる。それ故、自動検針を含めたガス保卓を確立
する上で、その普及にとって非常に有用である。
(2) From the viewpoint of ease of installation for non-equipment systems, only the installation work of the meter section is required, and the amount of investment required when introducing the system can be reduced. Therefore, it is extremely useful for establishing and disseminating gas monitoring systems that include automatic meter reading.

(3)  端末装置においては、メータ部と回線インタ
ーフェース間の通信が無用になる故1回路構成上のイン
ターフェース部が無くせる上、各制御機能を一つの中枢
制御部(例、マイクロコンピュータ)にて実現すること
が可能で、合理化に連がるのである。
(3) In the terminal device, communication between the meter section and the line interface is unnecessary, so the interface section in one circuit configuration can be eliminated, and each control function can be performed by one central control section (e.g., microcomputer). This is possible and leads to rationalization.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例におけるガス遮断装置の機能
ブロック図、第2図は同装置の設置例を示す断面図、第
3図は従来のガス遮断装置の設置例を示す断面図、第4
図は従来のガス遮断装置の機能ブロック図、第5図は従
来のガス遮断装置と回線インターフェース間の通信イン
ク−7工−ス回路図、第6図は従来の集中監視システム
図である。 9・・・・・・流量測定手段、1o・・・・・・ガス安
全制御部、11・・・・・・遮断手段、12・・・・・
・ガス流量積算部、15・・・・・・回線制御部、30
・・・・・・ガス遮断装置、31・・・・・・伝送制御
部、 代理人の氏名 弁理士 中 尾 敏 男 ほか1名刀−
ガス<*装置 第1図     31−僚送制釦部 第2図 第3図 n−t*p−段 ts−g@  与す aS 第4図 第5図 3.22.24−ガス遮断g装置 423、?E−回庫インターフェース 囚−センター粥コンCユーク η−℃ンター倒回線インター フェース 第6図 あ
Fig. 1 is a functional block diagram of a gas cutoff device according to an embodiment of the present invention, Fig. 2 is a sectional view showing an installation example of the same device, and Fig. 3 is a sectional view showing an installation example of a conventional gas cutoff device. Fourth
5 is a functional block diagram of a conventional gas shutoff device, FIG. 5 is a circuit diagram of a communication circuit between a conventional gas shutoff device and a line interface, and FIG. 6 is a diagram of a conventional centralized monitoring system. 9...Flow rate measuring means, 1o...Gas safety control unit, 11...Shutoff means, 12...
・Gas flow rate integration unit, 15...Line control unit, 30
... Gas cutoff device, 31 ... Transmission control section, Name of agent: Patent attorney Toshio Nakao and one other famous sword -
Gas <* Device Fig. 1 31-Multiple transport control button Fig. 2 Fig. 3 n-t*p-stage ts-g@Give aS Fig. 4 Fig. 5 3.22.24-Gas cutoff g device 423,? E-Circuit interface prisoner-center porridge control C unit

Claims (1)

【特許請求の範囲】[Claims] ガス供給ライン中に設けられたガスメータの通過ガス量
に応じて信号を発する流量測定手段と、前記流量測定手
段から送られる流量信号でガスの使用状態を検出しあら
かじめ設定された適正使用条件を逸脱すると異常と判断
して遮断信号を出力するガス安全制御部と、前記ガス安
全制御部からの遮断信号に応じてガス通路を遮断する遮
断手段と、前記流量測定手段からの流量信号を積算する
ガス流量積算部と、前記ガス安全制御部及びガス流量積
算部の各々ガス安全情報及び積算情報を回線を通じて信
号伝送する伝送制御部と、回線との接続制御あるいは少
なくとも1つの端末器に対し回線接続切替を制御する回
線制御部から構成されたガス遮断装置。
A flow rate measuring means installed in the gas supply line emits a signal according to the amount of gas passing through the gas meter, and the flow rate signal sent from the flow rate measuring means detects the gas usage state and detects deviations from preset proper usage conditions. a gas safety control section that determines that there is an abnormality and outputs a cutoff signal, a cutoff means that cuts off the gas passage in response to the cutoff signal from the gas safety control section, and a gas that integrates the flow rate signal from the flow rate measurement means. a flow rate integration unit, a transmission control unit that transmits signals of gas safety information and integration information of the gas safety control unit and the gas flow rate integration unit through a line, and connection control with the line or line connection switching for at least one terminal device; A gas cutoff device consisting of a line control section that controls the gas.
JP62291043A 1987-11-18 1987-11-18 Gas shut-off device Expired - Lifetime JP2604763B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62291043A JP2604763B2 (en) 1987-11-18 1987-11-18 Gas shut-off device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62291043A JP2604763B2 (en) 1987-11-18 1987-11-18 Gas shut-off device

Publications (2)

Publication Number Publication Date
JPH01132914A true JPH01132914A (en) 1989-05-25
JP2604763B2 JP2604763B2 (en) 1997-04-30

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JP62291043A Expired - Lifetime JP2604763B2 (en) 1987-11-18 1987-11-18 Gas shut-off device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007206083A (en) * 1997-10-15 2007-08-16 Matsushita Electric Ind Co Ltd Gas interrupting device
CN111271607A (en) * 2020-01-19 2020-06-12 北京北方华创微电子装备有限公司 Overvoltage protection device and method for semiconductor equipment and abnormality detection method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111556A (en) * 1985-11-08 1987-05-22 Rinnai Corp Housing information transmitter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111556A (en) * 1985-11-08 1987-05-22 Rinnai Corp Housing information transmitter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007206083A (en) * 1997-10-15 2007-08-16 Matsushita Electric Ind Co Ltd Gas interrupting device
JP4552952B2 (en) * 1997-10-15 2010-09-29 パナソニック株式会社 Gas shut-off device
CN111271607A (en) * 2020-01-19 2020-06-12 北京北方华创微电子装备有限公司 Overvoltage protection device and method for semiconductor equipment and abnormality detection method

Also Published As

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