JP2008107140A - Gas control device - Google Patents
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- JP2008107140A JP2008107140A JP2006288590A JP2006288590A JP2008107140A JP 2008107140 A JP2008107140 A JP 2008107140A JP 2006288590 A JP2006288590 A JP 2006288590A JP 2006288590 A JP2006288590 A JP 2006288590A JP 2008107140 A JP2008107140 A JP 2008107140A
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Abstract
Description
本発明は、ガス使用上の安全を図るガス制御装置に関するものである。 The present invention relates to a gas control device for ensuring safety in use of gas.
従来この種の制御装置では、保安事象が発生した場合に緊急通報を行うものがある（例えば特許文献１参照）。
しかしながら、従来のガス制御装置では、集中監視センターからの情報に従って個々のガス制御装置が指示に従った動作のみを実行しているため、各ガス制御装置の遮断や開栓の情報を集中監視センターに集約し、たとえば特定地域に対しての適切な対応を促すことができなかった。 However, in the conventional gas control device, each gas control device performs only the operation in accordance with the instruction according to the information from the central monitoring center. For example, it was not possible to promote appropriate responses to specific areas.
本発明のガス制御装置は上記課題を解決するために、ガス制御装置から必要に応じて必要な各種情報を集中監視センターに伝達するものである。 In order to solve the above problems, the gas control device of the present invention transmits various necessary information from the gas control device to the centralized monitoring center as required.
これによれば、集中監視センターが種々の判断を行い、種々の対応を行うことができる。 According to this, the centralized monitoring center can make various determinations and perform various responses.
本発明のガス制御装置は、必要に応じて必要な各種情報を集中監視センターに伝達するので、集中監視センターが種々の判断を行い、種々の対応を行うことができる。たとえば、集中監視センターが、特定地域から同種の情報を規定数量以上入手した場合、その特定地域全体に波及する状態であると判断してガス制御装置に指令を発してガスを遮断したりすることができる。 Since the gas control apparatus of the present invention transmits various necessary information to the centralized monitoring center as necessary, the centralized monitoring center can make various determinations and perform various responses. For example, if the centralized monitoring center obtains more than the specified amount of the same type of information from a specific area, it judges that the situation is spreading to the entire specific area and issues a command to the gas control device to shut off the gas. Can do.
第１の発明は、ガス流路を通じてガス器具へのガスの供給を遮断または開栓するガス弁と、集中監視センターとの交信を行う通信手段とを備え、前記集中監視センターからの指示に従い、前記ガス弁を制御して前記ガス器具へのガス供給を遮断または開栓するものである。 The first invention comprises a gas valve for shutting off or opening the supply of gas to the gas appliance through the gas flow path, and a communication means for communicating with the central monitoring center, in accordance with instructions from the central monitoring center, The gas valve is controlled to shut off or open the gas supply to the gas appliance.
これによれば、集中監視センターとの交信ができるので、集中監視センターからの支持に従った動作もできるし、集中監視センターに情報を伝達して適切な対応を促すこともできる。 According to this, since it is possible to communicate with the centralized monitoring center, it is possible to operate in accordance with the support from the centralized monitoring center, and it is possible to transmit information to the centralized monitoring center and promote appropriate responses.
第２の発明は、ガス流路を通じてガス器具へのガスの供給を遮断または開栓するガス弁と、地震等の震動を検知する感震手段と、集中監視センターとの交信を行う通信手段とを備え、前記感震手段が検知した信号により、前記ガス弁を制御して前記ガス器具へのガス供給を遮断した場合に、前記通信手段により前記集中監視センターに感震によるガス遮断情報を送信するものである。 A second invention includes a gas valve for shutting off or opening a gas supply to a gas appliance through a gas flow path, a seismic sensing means for detecting a vibration such as an earthquake, and a communication means for communicating with a centralized monitoring center. When the gas valve is controlled by the signal detected by the seismic means to shut off the gas supply to the gas appliance, the communication means transmits the gas cutoff information due to the seismic motion to the centralized monitoring center. To do.
これによれば、感震遮断した場合に感震遮断したことを集中監視センターに伝達できるので、集中監視センターは他のガス制御装置群の情報とともに分析して、適切な処置対応
の指令を発することができる。
According to this, since the seismic cutoff can be transmitted to the centralized monitoring center when the seismic cutoff is made, the centralized monitoring center analyzes with the information of other gas control device groups and issues an instruction for appropriate treatment. be able to.
第３の発明は、ガス流路を通じてガス器具へのガスの供給を遮断または開栓するガス弁と、前記ガス器具へのガスの供給の可否を判断するガス供給可否判断手段と、集中監視センターとの交信を行う通信手段とを備え、前記ガス供給可否判断手段が前記ガス器具へのガス供給を遮断する判断をし、前記ガス弁を制御して前記ガス器具へのガス供給を遮断した場合に、前記通信手段により前記集中監視センターにガス供給可否判断手段によるガス遮断情報を送信するものである。 According to a third aspect of the present invention, there is provided a gas valve that shuts off or opens a gas supply to a gas appliance through a gas flow path, a gas supply availability determination unit that determines whether or not to supply a gas to the gas appliance, and a centralized monitoring center A communication means for communicating with the gas supply, the gas supply availability determination means determines to cut off the gas supply to the gas appliance, and controls the gas valve to cut off the gas supply to the gas appliance. In addition, the communication means transmits gas cutoff information by the gas supply availability determination means to the centralized monitoring center.
これによれば、ガス供給可否手段によりガスを遮断した場合に、その旨を集中監視センターに伝達できるので、集中監視センターはその情報を基に適切な処置対応の指令や、需要家への連絡内容を発することができる。 According to this, when gas is shut off by means of gas supply availability, the fact can be communicated to the centralized monitoring center, so the centralized monitoring center can provide instructions for appropriate treatment based on the information and contact customers. Can emit content.
第４の発明は、ガス流路を通じてガス器具へのガスの供給を遮断または開栓するガス弁と、ガス配管内の圧力を検知する圧力検知手段と、集中監視センターとの交信を行う通信手段とを備え、前記集中監視センターから前記ガス器具へのガスの供給を遮断した後の開栓指示を受けた場合に、前記圧力検知手段が前記ガス配管の破損の有無を検知し、ガス漏れ等が無いと判断しときのみ前記ガス弁を制御して前記ガス器具へのガス供給を開栓するものである。 According to a fourth aspect of the present invention, there is provided a gas valve for shutting off or opening a gas supply to a gas appliance through a gas flow path, a pressure detecting means for detecting the pressure in the gas pipe, and a communication means for communicating with the centralized monitoring center. The pressure detection means detects whether or not the gas pipe is damaged when receiving an opening instruction after shutting off the gas supply to the gas appliance from the centralized monitoring center, and leaks gas etc. Only when it is determined that there is no gas, the gas valve is controlled to open the gas supply to the gas appliance.
これによれば、集中監視センターからの開栓支持を受けた場合に、配管漏洩検知を行って安全と判断できた時のみガスの開栓を行うので安全である。 According to this, when opening support from the centralized monitoring center is received, it is safe because the gas is opened only when pipe leakage is detected and it is determined to be safe.
第５の発明は、ガス流路を通じてガス器具へのガスの供給を遮断または開栓するガス弁と、ガス配管内の圧力を検知する圧力検知手段と、集中監視センターとの交信を行う通信手段とを備え、前記ガス器具へのガスの供給を遮断した後の開栓指示を受けた場合に、前記圧力検知手段が前記ガス配管の破損の有無を検知し、ガス漏れ等が無いと判断しときのみ前記ガス弁を制御して前記ガス器具へのガス供給を開栓して、その開栓情報を前記通信手段により前記集中監視センターに送信するものである。 According to a fifth aspect of the present invention, there is provided a gas valve for shutting off or opening a gas supply to a gas appliance through a gas flow path, a pressure detecting means for detecting the pressure in the gas pipe, and a communication means for communicating with the centralized monitoring center. And when the opening instruction is received after the gas supply to the gas appliance is shut off, the pressure detection means detects whether or not the gas pipe is damaged, and determines that there is no gas leakage or the like. Only when the gas valve is controlled to open the gas supply to the gas appliance, the opening information is transmitted to the centralized monitoring center by the communication means.
これによれば、集中監視センターからの開栓支持を受けた場合に、配管漏洩検知を行って安全と判断できて開栓を行った情報を、集中監視センターに伝達できるので、集中監視センターは各ガス制御装置からの情報を基に、ガス配管の破損状況を把握することができる。 According to this, when opening support from the centralized monitoring center is received, it is possible to detect the pipe leak and determine that it is safe and transmit the information that has been opened to the centralized monitoring center. Based on information from each gas control device, it is possible to grasp the state of breakage of the gas piping.
第６の発明は、ガス流路を通じてガス器具へのガスの供給を遮断または開栓するガス弁と、情報表示端末との通信手段とを備え、前記ガス弁を制御して前記ガス器具へのガス供給を遮断または開栓した場合に、前記情報表示端末に現在の状態を表示させるものである。 A sixth invention includes a gas valve that shuts off or opens a gas supply to the gas appliance through the gas flow path, and a communication means with the information display terminal, and controls the gas valve to supply the gas appliance to the gas appliance. When the gas supply is shut off or opened, the current state is displayed on the information display terminal.
これによれば、集中監視センターからの指示に従ってガスの遮断または開栓をしたことを、顧客に正確に速やかに伝達できるので、顧客の混乱や、問合わせによる電話等の公衆回線の混雑を回避することができる。 According to this, it is possible to accurately and promptly communicate to the customer that the gas has been shut off or opened according to the instructions from the central monitoring center, thus avoiding confusion of the customer and congestion of public lines such as telephone calls. can do.
第７の発明は、集中監視センターとの交信を行う通信手段を備え、前記集中監視センターとの通信は、無線通信で行うものである。 The seventh invention comprises communication means for communicating with the centralized monitoring center, and communication with the centralized monitoring center is performed by wireless communication.
これによれば、専用の無線通信で交信できるので、災害等のときの公衆回線をさらに混雑させることなく、適切な処置を迅速に行うことができる。 According to this, since communication can be performed by dedicated wireless communication, appropriate measures can be quickly performed without further congesting the public line in the event of a disaster or the like.
第８の発明は、通信手段は、ガス弁を内蔵したガスメータ内にガス弁制御用基板に一体的に組み込み、かつ情報表示端末装置と通信するための通信手段と、集中監視センターと通信するための通信手段を区別して設けそれぞれ着脱自在な構成としたものである。 According to an eighth aspect of the present invention, the communication means is integrated with the gas valve control board in the gas meter incorporating the gas valve, and communicates with the centralized monitoring center for communicating with the information display terminal device. The communication means are distinguished and provided so as to be detachable.
これによれば、ガスメータを設置するだけで情報表示端末装置あるいは集中監視センターとの通信が可能となるため、別途通信用アダプターをガス制御装置に接続して通信回線を確保する必要がなく、作業の手間を省くことができると共にコンパクトな設置形態を確保することができ、さらに情報表示端末装置と集中監視センターとの通信手段をコネクタ等を介して着脱自在な構成としているため、通信手段の組み合わせを選択することで通信先を自由に選択でき、用途に応じた適切な通信形態の確保を容易に行うことができる。 According to this, since communication with the information display terminal device or the centralized monitoring center is possible only by installing a gas meter, there is no need to separately connect a communication adapter to the gas control device and secure a communication line. The communication means between the information display terminal device and the centralized monitoring center is detachable via a connector, etc., so that the combination of communication means can be achieved. By selecting, it is possible to freely select a communication destination, and it is possible to easily ensure an appropriate communication form according to the application.
以下、本発明の実施の形態について、図面を参照しながら説明する。尚、この実施の形態によって本発明が限定されるものではない。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiment.
（実施の形態）
図１は、本発明によるガス制御装置とそれを含むガス制御システムを示す図である。ガス制御装置１５は、ガス弁１と、通過流量を計測する流量計測手段１６と、集中監視センターとの交信を行う通信手段２と、地震等の震動を検知する感震手段３と、ガス器具へのガスの供給の可否を判断するガス供給可否判断手段４と、ガス配管内の圧力を検知する圧力検知手段５と、情報表示端末１４との通信手段６とから構成され、それら各構成手段を１つのケース内に収納してガスメータ１７とし各家庭のガス供給管７の入り口部分に設置され、家庭内のガス器具９と単一のガス流路８で接続されている。通信手段２は無線通信可能範囲に設置されている基地局１０を介して集中監視センター１１と交信を行い、通信手段６は情報表示端末１４と通信を行う。
(Embodiment)
FIG. 1 is a diagram showing a gas control device according to the present invention and a gas control system including the same. The gas control device 15 includes a gas valve 1, a flow rate measuring means 16 for measuring a passing flow rate, a communication means 2 for communicating with a centralized monitoring center, a seismic means 3 for detecting a vibration such as an earthquake, and a gas appliance. The gas supply availability determination means 4 for determining whether or not the gas can be supplied to the gas, the pressure detection means 5 for detecting the pressure in the gas pipe, and the communication means 6 with the information display terminal 14, each of these configuration means Are housed in one case to form a gas meter 17 that is installed at the entrance of the gas supply pipe 7 of each household, and is connected to the domestic gas appliance 9 by a single gas flow path 8. The communication unit 2 communicates with the centralized monitoring center 11 via the base station 10 installed in the wireless communicable range, and the communication unit 6 communicates with the information display terminal 14.
そして、ガス制御装置１５を内蔵したガスメータ１７は図２に示すように、ガス配管の入り口側に異常時等にガス流路を遮断するガス弁１が配置され、その下流側適所のガス流路内に通過流量を計測する流量計測手段１６、例えば超音波センサが配置され、その下流に圧力検知手段５が配置されている。上記配置構成においてガス器具９が使用されガスが供給されると流量計測手段９で流量信号が検出され、検出された流量信号が制御回路１８に送られ、この制御回路１８で流量値に換算され、この流量値データでガス使用量の管理や異常流量の監視等が行われる。 As shown in FIG. 2, the gas meter 17 incorporating the gas control device 15 is provided with the gas valve 1 for shutting off the gas flow path at the inlet side of the gas pipe, and the gas flow path at an appropriate position on the downstream side thereof. A flow rate measuring means 16 for measuring the passing flow rate, for example, an ultrasonic sensor is disposed therein, and a pressure detecting means 5 is disposed downstream thereof. When the gas appliance 9 is used and gas is supplied in the above arrangement, the flow rate measuring means 9 detects a flow rate signal, and the detected flow rate signal is sent to the control circuit 18, which converts the flow rate signal into a flow rate value. The flow rate value data is used to manage gas usage and monitor abnormal flow rates.
また、制御回路１８にはガス弁２を駆動する駆動回路や、流量計測手段９及び圧力検知手段５及び感震手段３などからの各種情報でガス供給の可否を判断するガス供給可否判断手段４、さらには基地局１０を介して集中監視センター１１と各種情報を送受信する通信手段２と情報表示端末１４と通信を行う通信手段６が一体的に組み込まれて構成されており、特に通信手段２と通信手段６が区別して配置され、かつ制御回路１８とコネクタを介して着脱自在に組み込まれている。また、感震手段３の制御回路１８に一体的に搭載することでよりコンパクトなガス制御装置１５を構成することができる。 Further, the control circuit 18 includes a drive circuit for driving the gas valve 2 and a gas supply availability determination means 4 for determining whether or not the gas supply is possible based on various information from the flow rate measurement means 9, the pressure detection means 5, and the vibration sensing means 3. Further, the communication means 2 for transmitting / receiving various information to / from the centralized monitoring center 11 via the base station 10 and the communication means 6 for communicating with the information display terminal 14 are integrally incorporated. And the communication means 6 are distinguished from each other and are detachably incorporated via a control circuit 18 and a connector. Moreover, the compact gas control apparatus 15 can be comprised by mounting in the control circuit 18 of the seismic sensing means 3 integrally.
この一体化構成によりガスメータ１７を設置するだけで情報表示端末１４あるいは集中監視センター１１との通信が可能となるため、従来のように別途通信用アダプターをガス制御装置に接続して通信回線を確保する必要がなく、作業の手間を省くことができると共にコンパクトな設置形態を確保することができ、さらに情報表示端末１４と集中監視センター１１との通信手段２、６をコネクタ１９を介して着脱自在な構成としているため、通信手段２、６の組み合わせを選択することで通信先を自由に選択でき、用途に応じた適切な通信形態の確保を容易に行うことができる。 With this integrated configuration, communication with the information display terminal 14 or the centralized monitoring center 11 is possible simply by installing the gas meter 17, so that a communication adapter is separately connected to the gas control device to secure a communication line as in the past. Therefore, it is possible to save work and to secure a compact installation form. Further, the communication means 2 and 6 between the information display terminal 14 and the centralized monitoring center 11 can be freely attached and detached via a connector 19. Therefore, the communication destination can be freely selected by selecting a combination of the communication means 2 and 6, and an appropriate communication form according to the application can be easily ensured.
そして、集中監視センター１１との交信の内容は、要求機能によってさまざまではある
が、ここでは、災害による広域コントロールに関する事例で説明する。
The contents of communication with the centralized monitoring center 11 vary depending on the requested function, but here, an example regarding wide area control due to a disaster will be described.
感震手段３が振動を検知した場合、その振動の内容（強さや周波数等）がガス供給可否判断手段４に伝達され、ガス供給可否判断手段４はその振動が地震か単なる衝撃振動かを判定し、地震と判断した場合はガス導入管７とガス供給管8の間に配置されているガス弁１を閉止し、ガスの供給を遮断する。 When the seismic sensing means 3 detects a vibration, the contents (strength, frequency, etc.) of the vibration are transmitted to the gas supply availability determination means 4, and the gas supply availability determination means 4 determines whether the vibration is an earthquake or a mere impact vibration. If it is determined that there is an earthquake, the gas valve 1 disposed between the gas introduction pipe 7 and the gas supply pipe 8 is closed to cut off the gas supply.
そして、通信手段２から、無線電波で基地局１０を介して集中監視センター１１に地震の内容と感震遮断したことを伝達する。 Then, the communication means 2 transmits the contents of the earthquake and the fact that the earthquake has been cut off to the centralized monitoring center 11 via the base station 10 by radio waves.
また、通信手段６から情報表示端末１４へも地震の内容と感震遮断したことを伝達する。
集中監視センター１１は、ガス遮断装置１５からの情報だけではなく、他のガス遮断装置１２、１３等々からの情報も受け付けるので、このガス遮断装置１５からの地震による遮断の情報が正しいか誤診かを、他のガス遮断装置群からの情報を分析して判断する。
Further, the contents of the earthquake and the fact that the earthquake has been interrupted are also transmitted from the communication means 6 to the information display terminal 14.
Since the central monitoring center 11 accepts not only information from the gas shut-off device 15 but also information from other gas shut-off devices 12, 13, etc., whether the information about the shut-off by the earthquake from the gas shut-off device 15 is correct or misdiagnosed. Is determined by analyzing information from other gas shut-off device groups.
もしガス遮断装置１５の判断が正しい場合、その周辺のガス遮断装置で感震遮断していないものがあれば、安全確保のために集中監視センター１１から感震遮断していないガス遮断装置に対して遮断指令を発令する。 If the judgment of the gas shut-off device 15 is correct, if there is a gas shut-off device in the surrounding area that is not seismically shut off, the central monitoring center 11 for the gas shut-off device that has not been seismically shut off to ensure safety Issue a shut-off command.
他のガス遮断装置群からの情報に感震遮断情報が皆無の場合等は、ガス遮断装置１５の地震による遮断という判断が誤診であると判定して、集中監視センター１１はガス遮断装置１５に対して、安全を確認して開弁させる指令を発する。 If there is no seismic shut-off information in the information from other gas shut-off device groups, it is determined that the gas shut-off device 15 is shut off due to an earthquake, and the central monitoring center 11 determines On the other hand, it issues a command to open the valve after confirming safety.
基地局１０を介して開弁指令を受けたガス遮断装置１５は、ガス１弁の瞬時開閉等を行い圧力検知手段５の圧力状態を確認し、ガス配管に破損等の異常が無いと判断できたときのみ、ガス弁１を開放してガス器具９へのガスの供給を行う。 Receiving the valve opening command via the base station 10, the gas shut-off device 15 can instantaneously open and close one gas valve, check the pressure state of the pressure detecting means 5, and determine that there is no abnormality such as damage to the gas piping. The gas valve 1 is opened only when the gas is supplied to the gas appliance 9.
この時も、通信手段２から、無線電波で基地局１０を介して集中監視センター１１に安全を確認して開弁したことを伝達する。また、通信手段６から情報表示端末１４へも誤遮断した旨と開弁したことを伝達する。 Also at this time, the communication means 2 notifies the centralized monitoring center 11 that the safety has been opened via the base station 10 by radio waves. In addition, the communication means 6 also notifies the information display terminal 14 that it has been erroneously blocked and that the valve has been opened.
以上のように、本実施の形態によれば、ガス制御装置が判断して実行した内容を集中監視センターへ伝達することにより、集中監視センターがその地域全体の状況を掌握できるので、状況に応じた適切な処置対応を促すことができ、地域の安全性が向上する。 As described above, according to the present embodiment, by transmitting the contents determined and executed by the gas control device to the centralized monitoring center, the centralized monitoring center can grasp the situation of the entire region. Appropriate measures can be encouraged, and local safety is improved.
ところで、実施の形態では、地震災害の事例で説明したが、適切なセンサーをガス制御装置に配備すれば、水害や火災や防犯等々に対する対応に応用することができる。 By the way, in the embodiment, an example of an earthquake disaster has been described. However, if an appropriate sensor is provided in the gas control device, it can be applied to countermeasures against water damage, fire, crime prevention, and the like.
また、実施の形態では、災害の事例で説明したが、ガスの遮断や開放はガス工事の場合でも有効で、広域ガス工事等の場合は、需要家への告知等にこのシステムを活用すれば、郵送による通知のコストが削減でき、計画変更になった場合でも容易に内容の伝達を行うことができる。 Also, in the embodiment, the example of disaster was explained, but gas shutoff and release are effective even in the case of gas construction, and in the case of wide area gas construction, etc., if this system is used for notification to customers, etc. The cost of notification by mail can be reduced, and the contents can be easily transmitted even when the plan is changed.
また、実施の形態では、ガス制御装置と集中監視センターとの交信を無線通信で説明したが、一般公衆回線の混雑を招かない手段を使って公衆回線での交信を行っても良い。 In the embodiment, the communication between the gas control device and the centralized monitoring center has been described by wireless communication. However, the communication on the public line may be performed using a means that does not cause congestion of the general public line.
また、ガス遮断後の開弁時に安全を確認する場合、ガス器具９のコックが開いた状態であれば、ガス配管の異常かどうかの判断ができなくなるが、最近のガス器具は安全装置が装備されているのでほとんどの場合は、ガス供給が遮断して立ち消え状態になればガスコ
ックは閉じる。より確実を期待する場合は、ガス制御装置と各ガス器具との間に通信手段を設けて、ガス制御装置から各ガス器具に適切な指令を発すればよい。
Also, when checking the safety when the valve is opened after shutting off the gas, if the cock of the gas appliance 9 is in an open state, it will not be possible to judge whether the gas piping is abnormal, but recent gas appliances are equipped with safety devices. Therefore, in most cases, the gas cock closes when the gas supply is cut off and goes out. When more certainty is expected, a communication unit may be provided between the gas control device and each gas appliance, and an appropriate command may be issued from the gas control device to each gas appliance.
本発明の各種実施形態を説明したが、本発明は前記実施形態において示された事項に限定されず、明細書の記載、並びに周知の技術に基づいて、当業者がその変更・応用することも本発明の予定するところであり、保護を求める範囲に含まれる。 Although various embodiments of the present invention have been described, the present invention is not limited to the matters shown in the above-described embodiments, and those skilled in the art may modify or apply the description based on the description of the specification and well-known techniques. The present invention is intended to be included in the scope for which protection is sought.
本発明のガス制御装置によれば、集中監視センターとの連携で、より安全で利便性の良いガス環境を構築することができる。 According to the gas control device of the present invention, a safer and more convenient gas environment can be constructed in cooperation with the centralized monitoring center.
１ ガス弁
２ 通信手段
４ ガス供給可否判断手段
１１ 集中監視センター
１５ ガス制御装置
DESCRIPTION OF SYMBOLS 1 Gas valve 2 Communication means 4 Gas supply availability judgment means 11 Centralized monitoring center 15 Gas control apparatus
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006288590A JP2008107140A (en) | 2006-10-24 | 2006-10-24 | Gas control device |
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| JP2006288590A JP2008107140A (en) | 2006-10-24 | 2006-10-24 | Gas control device |
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| JP2008107140A true JP2008107140A (en) | 2008-05-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014202486A (en) * | 2013-04-01 | 2014-10-27 | 矢崎エナジーシステム株式会社 | Alarm device and control method thereof |
| JP2016070642A (en) * | 2014-10-02 | 2016-05-09 | アズビル株式会社 | Valve opening/closing control device and gas supply facility equipment |
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| JP2016070642A (en) * | 2014-10-02 | 2016-05-09 | アズビル株式会社 | Valve opening/closing control device and gas supply facility equipment |
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