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21. 发明专利

JPH08285278A GAS SAFETY DEVICE 失效
公开(公告)号：JPH08285278A
公开(公告)日：1996-11-01
申请号：JP8361195
申请日：1995-04-10
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OKAMATSU HIROSUMI , SHIRASAWA TADANORI , OTANI TAKAHISA , YOSHIDA MIHO
IPC分类号： F23N5/24 , F23K5/00 , F23N1/00 , F23N5/26
摘要： PURPOSE: To provide a gas safety device which detects the leakage of a gas internal pipe between a gas meter and a gas appliance at the terminal end in a short period of time, and sends an alarm and shuts off the gas. CONSTITUTION: A gas safety device consists of a plurality of flow rate signal generating parts 1, 2 which output a flow rate signal A in response to the flow rate of a gas, flow rate operation unit 3 which calculates an actual flow rate B when receiving the flow rate signal A, flow rate judging unit 4 which judges the consuming state of the gas when receiving the actual flow rate B and outputs a flow rate state signal C, warning/shutoff judging unit 6 which outputs a warning/shutoff signal E when receiving two signals of the flow rate state signal C and a danger detecting signal being transmitted from an outside warning device 5, alarming means 7 which warns and sends alarm when receiving the warning/shutoff signal E, and a shutoff means which shuts off a gas passage.

22. 发明专利

JP2000310400A GAS PASSAGE CUTOFF DEVICE AND PROGRAM RECORDING MEDIUM 失效
公开(公告)号：JP2000310400A
公开(公告)日：2000-11-07
申请号：JP12072199
申请日：1999-04-27
申请人： OSAKA GAS CO LTD , TOHO GAS KK , MATSUSHITA ELECTRIC IND CO LTD
发明人： IWAKAWA MEGUMI , OKADA SHUICHI , FUJIMOTO KUNIHIRO , MITSUI TATSUYA , KIMURA YUKIO , NISHIGUCHI KAZUHIRO , NAWATA TAKASHI , YOSHIDA MIHO
IPC分类号： F16K35/00 , F16K37/00 , F17D5/02 , G08C15/00 , G08C19/00 , G08C25/00
摘要： PROBLEM TO BE SOLVED: To confirm whether a gas passage is surely intercepted or not so as to secure safe cutoff processing by confirming the condition of a gas valve after the operation control for cutting off or returning the gas valve for intercepting the gas passage is conducted. SOLUTION: This gas passage cutoff device 100 includes a cutoff valve confirming means 101 disposed in a control means 150, a cutoff valve driving means 901 and a cutoff valve 854 disposed in a gas introduction path in a gas meter. First, when one of a flow sensor 851, a pressure sensor 852 or an earthquake sensor 853 detects an abnormal value, a safety deciding means 900 gives a cutoff instruction for closing the cutoff valve 854 to the cutoff valve driving means 901, and the cutoff valve driving means 901 outputs a driving signal, thereby causing the cutoff valve 854 to conduct the cutoff operation. The cutoff valve confirming means 101 confirms the operating condition of the cutoff valve 854 in the lapse of designated time since the safety deciding means 900 gives a cutoff instruction to the cutoff valve driving means 901 to be transferred as cutoff valve condition information to the safety deciding means 900.

23. 发明专利

JP2000146168A GAS METERING SHUT-OFF DEVICE 失效
公开(公告)号：JP2000146168A
公开(公告)日：2000-05-26
申请号：JP31427198
申请日：1998-11-05
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： NAWATA TAKASHI , SHIRASAWA TADANORI , OTANI TAKAHISA , YOSHIDA MIHO
IPC分类号： F23N5/24
摘要： PROBLEM TO BE SOLVED: To effectively read and interrupt reading of a meter in the case of interrupting a telephone channel caused by moving. SOLUTION: A gas metering unit 2 integrates gas flow rates detected by a gas flow detector 1 and holds a metered value. A controller 3 compares a present day and time of measuring by a timer 5 with a metering day and time held by a metered day and time holder, and generates a metering command when both coincide. The metered value held by the unit 2 is transmitted to a communicating unit 6. The transmitted metered value is held as a transmitted metered value. When a difference of the metered values of the transmitted value and the metering unit coincides with an additional gas amount held by an additional gas amount holder 32, a shut-off command is generated. The present day and time measured by the timer 5 is compare with the shut-off day and time held by the shut-off day and time holder. When the both coincide, a shut-off command is generated, and a gas shut-off valve 9 is closed by either shut-off command, and opening of the plug of the valve 9 is inhibited.

24. 发明专利

JPH08121763A GAS CIRCUIT BREAKER 失效
公开(公告)号：JPH08121763A
公开(公告)日：1996-05-17
申请号：JP26231994
申请日：1994-10-26
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OTANI TAKAHISA , SHIRASAWA TADANORI , YOSHIDA MIHO
IPC分类号： F23N5/24 , G01F3/22 , G05B9/02
摘要： PURPOSE: To acquire the health of a gas passage in an early stage by learning a pattern of a user in using gas, making use of a time zone, during which gas is not used, to once shut off the gas passage and automatically inspect at regular intervals whether gas pressure decreases or not. CONSTITUTION: When a gas pressure in a gas passage decreases below a predetermined value and a pressure decreasing signal B is outputted from a pressure detecting unit 2, a pressure judging unit 3 is caused to output a pressure judgment going signal D, and to output a shut-off alarming signal C upon receipt of a flow rate signal A from a flow rate measuring unit 1. A shut-off informing unit 4 is permitted to inform an alarm on the basis of the shut-off alarming signal C, and the gas passage is shut off. Further, detection of gas leakage is effected by detecting a time zone, during which gas is not used and any flow rate signal is not existent, in a predetermined period of time, holding the result, permitting a flow rate nonexistence learning unit 5 to output a pressure inspection demanding signal E after learning to shut off the gas passage, and causing a pressure inspecting unit 6 to inspect whether gas pressure decreases or not.

25. 发明专利

JPH08105625A GAS SHUT-OFF DEVICE 失效
公开(公告)号：JPH08105625A
公开(公告)日：1996-04-23
申请号：JP24006294
申请日：1994-10-04
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OTANI TAKAHISA , SHIRASAWA TADANORI , YOSHIDA MIHO
IPC分类号： F23N5/26 , F23N5/24
摘要： PURPOSE: To correctly recognize a voltage drop of a battery power source to improve the reliability by effecting a plurality of tests for judging a voltage drop to avoid an influence of noise, etc. CONSTITUTION: An interval timer 1 outputs voltage detecting signals A periodically, and then a voltage drop signal B when a voltage detector 2 detects a specified voltage or below. When receiving the voltage drop signal B, a divisional detection instruction device 5 divides a time interval of the voltage detecting signals A into two or more times, and outputs divisional detection signals C and then a voltage drop-notifying signal D when the voltage drop signal A is output again. A voltage drop notifying device 3 gives a warning according to the voltage drop notifying signal D and a function halt processor 4 executes a function halt process.

26. 发明专利

JPH0868679A GAS CIRCUIT BREAKER 失效
公开(公告)号：JPH0868679A
公开(公告)日：1996-03-12
申请号：JP20668294
申请日：1994-08-31
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OTANI TAKAHISA , SHIRASAWA TADANORI , YOSHIDA MIHO
IPC分类号： G01F3/22 , G01F25/00 , G08B21/00 , G08B21/16 , G08C19/00
摘要： PURPOSE: To notify the possibility of failure to the outside if the usage of gas can not be detected for a predetermined interval. CONSTITUTION: A zero flow rate period decision value communicating section 5 receives a zero flow rate period decision value D from an external communicating section through a public communication line and a zero flow rate measuring section 7 acquires an uninterrupting signal G and a flow rate decision value F. A zero flow rate signal H is delivered by making a decision that the flow rate is zero during the period of a zero flow rate period decision value E and an external communication/notifying section 8 notifies the external communicating section that the flow rate was zero during the zero flow rate decision period.

27. 发明专利

JP2000130700A GAS SHUT-OFF DEVICE 失效
公开(公告)号：JP2000130700A
公开(公告)日：2000-05-12
申请号：JP30248398
申请日：1998-10-23
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SHIRASAWA TADANORI , OTANI TAKAHISA , NAWATA TAKASHI , YOSHIDA MIHO
IPC分类号： F17D5/06 , G08B21/00 , G08B21/08 , G08B21/16
摘要： PROBLEM TO BE SOLVED: To prevent a source battery from being consumed caused by a leaking current, by detecting an abnormality caused by the leaking current. SOLUTION: Abnormal current detection parts 120, 121, 122 detect abnormal currents running through power source lines for a flow measuring part 2 and various sensor input parts 700, 701, respectively, and if any one of the abnormal current detection parts 120, 121, 122 delivers a signal indicating an abnormal current, a control part 15 checks this signal so as to issue an alarm from an alarming part 8 or to drive a valve drive part 4 in order to shut off a gas passage while informing a center of its abnormality by way of a communication part 9.

28. 发明专利

JPH08121762A GAS CIRCUIT BREAKER 失效
公开(公告)号：JPH08121762A
公开(公告)日：1996-05-17
申请号：JP26231894
申请日：1994-10-26
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OTANI TAKAHISA , SHIRASAWA TADANORI , YOSHIDA MIHO
IPC分类号： F23N5/24 , G05B9/02
摘要： PURPOSE: To secure the safety even when a gas combustion device installed outdoor is used. CONSTITUTION: An indoor and outdoor judging unit 5 receives a gas flow rate A from flow rate measuring means 1 and an outdoor combustion signal C from an outdoor combustion detecting unit 4, and branches to an indoor D and an outdoor E. A flow rate judging unit 2 outputs a shut-off alarming signal B when a gas flow rate is greater than an indoor judged value. An outdoor judging unit 6 outputs an outdoor shut-off alarming signal F when a gas flow rate is greater than an outdoor judged value. A shut-off informing unit 3 informs an alarm and shuts off a gas passage when receiving the shut-off alarming signal B or the outdoor shut-off alarming signal F.

29. 发明专利

JPH08106588A GAS SHUT-OFF DEVICE 失效
公开(公告)号：JPH08106588A
公开(公告)日：1996-04-23
申请号：JP24273094
申请日：1994-10-06
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： YOSHIDA MIHO , SHIRASAWA TADANORI , OTANI TAKAHISA , YAMAGUCHI MASAKI
IPC分类号： G01F3/22 , F16K17/36 , F16K37/00 , G08B21/00 , G08B21/10 , G08B21/16
摘要： PURPOSE: To improve the working factor of a seismoscope at the time of earthquake which detects abnormality by operating periodically the seismoscope. CONSTITUTION: This device is provided with the seismoscope 2 to detect the earthquake and output a seismic signal G, a seismic signal discriminating part 4 which judges whether the seismic signal is being outputted or not, and outputs a pseudo operating signal D to instruct the pseudo operation of the seismoscope 2 if the seismic signal G is not being outputted, and a seismoscope pseudo operating means 5 to output a seismoscope operating signal A to make the seismoscope 2 execute pseudo operation on the basis of the pseudo operating signal D. Thus, the abnormality of the seismoscope 2 can be alarm-reprorted to the outside on the basis of a seismoscope abnormality signal I outputted in the case that the seismic signal G is not received even if the seismic signal discriminating part 4 outputs the pseudo operating signal D.

30. 发明专利

JPH07280128A GAS CIRCUIT BREAKER DEVICE 失效
公开(公告)号：JPH07280128A
公开(公告)日：1995-10-27
申请号：JP7478794
申请日：1994-04-13
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SHIRASAWA TADANORI , TOKUNAMI TAKAO , OTANI TAKAHISA , YOSHIDA MIHO
IPC分类号： F16K31/06
摘要： PURPOSE:To make a device compact by using a drive circuit not requiring a special step-up circuit or transformer. CONSTITUTION:When an isolation valve 1 to open and close a gas flow passage is closed, a control section 6 actuates a forward drive circuit 2 for the prescribed time, and forward current is thereby made to flow for closing the valve 1. On the other hand, when the valve 1 is opened, the section 6 repeatedly turns on and off the circuit 2, and charges a capacitor 15 with inverse current generated when the circuit 2 cuts the forward current, by means of a charging means 3. Regarding power charged into the means 3, the control section 6 drives an inverse drive circuit 4 for the preset time and feeds inverse current, thereby opening the valve 1.

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