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    • 1. 发明专利
    • Gas cutoff system
    • 气体切割系统
    • JP2007107875A
    • 2007-04-26
    • JP2006283959
    • 2006-10-18
    • Matsushita Electric Ind Co LtdToyo Gas Meter KkYazaki Corp東洋ガスメーター株式会社松下電器産業株式会社矢崎総業株式会社
    • UEKI KOICHIASANO KAZUTAKAISOBE KIMIKATSUKAWASHIMA SADAMUISONO NOBORUMORITA TOSHIKAZU
    • F23K5/00F16K17/36G01F3/22G05B9/02
    • PROBLEM TO BE SOLVED: To improve usability while securing safety when a consumer is using a gas appliance when a drop state of a battery voltage is detected.
      SOLUTION: This gas cutoff system is provided with: a battery power source means 2; a cutoff means 3; a voltage detection means 5; a voltage abnormality determination means 13 for determining that the detected voltage is abnormal when it is below a predetermined value to output a cutoff signal; a cutoff signal delay means 14 for delaying the cutoff signal until no flow is detected in outputting the cutoff signal; a voltage alarm output means 15 for outputting voltage drop alarm indication in outputting the cutoff signal; a time measuring means 7 for measuring a predetermined time when the detected voltage is below the predetermined value; a restoration means 8 for outputting a signal for restoring the cutoff means 3; a restoration prohibition means 9 for prohibiting the input of the restoration signal to output a cutoff signal to the cutoff means 3 when it is determined by the time measuring means 7 that the predetermined time has elapsed or abnormality is detected during the predetermined time measurement; and an annunciation means 4 for displaying and annunciating the voltage drop by the alarm signal from the voltage alarm determination means 14.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:当检测到电池电压的下降状态时,在消费者使用燃气器具时确保安全性的同时提高可用性。 解决方案:该气体切断系统设有:电池电源装置2; 切断装置3; 电压检测装置5; 一个电压异常确定装置13,用于在低于预定值时确定检测电压异常以输出截止信号; 截止信号延迟装置14,用于在输出截止信号时延迟截止信号,直到检测不到流量; 用于在输出截止信号时输出电压降报警指示的电压报警输出装置15; 时间测量装置7,用于当检测到的电压低于预定值时测量预定时间; 用于输出用于恢复切断装置3的信号的恢复装置8; 恢复禁止装置9,用于当由时间测量装置7确定经过预定时间或在预定时间测量期间检测到异常时,禁止输入恢复信号输出切断信号到切断装置3; 以及用于通过来自电压报警确定装置14的报警信号显示和指示电压降的通知装置4.(C)2007,JPO和INPIT
    • 2. 发明专利
    • Gas shut-off device
    • 气体切断装置
    • JP2010261746A
    • 2010-11-18
    • JP2009110902
    • 2009-04-30
    • Osaka Gas Co LtdPanasonic CorpToho Gas Co LtdTokyo Gas Co LtdToyo Gas Meter KkYazaki Corpパナソニック株式会社大阪瓦斯株式会社東京瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社矢崎総業株式会社
    • UEKI KOICHIOTANI TAKAHISANAKABAYASHI YUJIASANO KAZUTAKAKOBAYASHI MASATOMOWATANABE AKIRAKONO SACHIKOYUASA KENICHIRONAGAI NOZOMIISHIKAWA TETSUOKAWAGUCHI KEIJIFUJII YASUHIROISHIDA HIROSHISAKANO TAKAHIROYAMAURA MICHIAKIISOBE KIMIKATSUHORI FUJIOSHIMIZU HIROSHI
    • G01F1/66G01F3/22G01N27/02
    • PROBLEM TO BE SOLVED: To provide a gas shut-off device capable of shutting off a gas by detecting infiltration of water, or the like, into a flow channel or a control part in the device.
      SOLUTION: The gas shut-off device includes an amplification degree determining means 18 for determining a signal amplification degree of a flow rate detection means 8 performing flow rate detection with propagation velocity of an ultrasonic wave between vibrators 6, 7 disposed along the flow channel 4; a propagation time determination means 20 for determining the propagation time; a measurement condition setting means 16 changing a measurement condition; a flow channel inside abnormality determination means 22 for estimating water intrusion in the flow channel, when an abnormally short propagation time is detected at the amplification degree equal to or less than a lower limit determination value; a clocking means 23, activated when the amplification degree of an upper limit determination value or more is determined; a measurement ratio calculation means 24 for obtaining a ratio set at the maximum measurement condition during the clocking; an impedance estimation means 25 for estimating the abnormality of impedance between terminals of the flow rate detection means 8, when it is determined that the amplification degree is equal to or more than the upper limit determination value and the measurement ratio is equal to or more than a prescribed value; and a shut-off means 27 for shutting off the supply of gas at abnormality.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够通过检测水等的渗透而关闭气体的气体切断装置到装置中的流路或控制部中。 气体切断装置包括:放大度判定装置18,用于确定流量检测装置8的信号放大度,该流量检测装置8执行流速检测,其传播速度是沿着沿着该方向设置的振动器6,7之间的超声波 流路4; 用于确定传播时间的传播时间确定装置20; 改变测量条件的测量条件设置装置16; 当以等于或小于下限确定值的放大度检测到异常较短的传播时间时,用于估计流道中的水侵入的异常确定装置22内的流路; 当确定上限确定值或更多的放大度时激活的计时装置23; 用于获得在计时期间在最大测量条件下设定的比率的测量比率计算装置24; 用于估计流量检测装置8的端子之间的阻抗的异常的阻抗估计装置25,当确定放大度等于或大于上限确定值并且测量比等于或大于 规定值 以及用于在异常情况下关闭气体供应的切断装置27。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Ultrasonic gas meter and method for eliminating noise thereof
    • 超声波气体计及其消除噪声的方法
    • JP2011007649A
    • 2011-01-13
    • JP2009151823
    • 2009-06-26
    • Yazaki Corp矢崎総業株式会社
    • TAMITSU TOSHIFUMIISOBE KIMIKATSUYAMAURA MICHIAKIHAKAMATA AKIHIKO
    • G01F1/66G01F3/22
    • PROBLEM TO BE SOLVED: To provide an ultrasonic gas meter capable of suppressing a cost and more accurately determining an entry of water due to dew condensation, and to provide a method for eliminating noise thereof.SOLUTION: The ultrasonic gas meter includes: transducers TD1 and TD2 intermittently transmitting and receiving an ultrasonic signal in a gas passage; an amplifier 13a amplifying the received signal up to a predetermined strength; and a μCOM 14 identifying a change factor which changes an amplification degree, calculating the amplification degree based on the identified change factor as a noise component, eliminating the noise component from the amplification degree due to the amplifier 13a, and determining the occurrence of the dew condensation based on the corrected amplification degree after elimination.
    • 要解决的问题:提供一种能够抑制成本并更准确地确定由于结露引起的水进入的超声波气体计量器,并且提供一种消除其噪声的方法。解决方案:超声波燃气表包括:换能器TD1和 TD2在气体通道中间歇地发送和接收超声波信号; 将接收信号放大到预定强度的放大器13a; 以及μCOM14,其识别改变放大度的变化因子,基于所识别的变化因子计算放大度作为噪声分量,消除由于放大器13a引起的放大程度的噪声分量,并且确定露点的出现 基于消除后校正的放大度的缩合。
    • 6. 发明专利
    • Gas meter and abnormality determination method therefor
    • 气体计和异常测定方法
    • JP2010271227A
    • 2010-12-02
    • JP2009124090
    • 2009-05-22
    • Yazaki Corp矢崎総業株式会社
    • TAMITSU TOSHIFUMIFUJIMOTO TATSUOISOBE KIMIKATSU
    • G01F3/22F23K5/00
    • PROBLEM TO BE SOLVED: To provide a gas meter and an abnormality determination method therefor determining an abnormality of an instrumental error by a gas meter simple body. SOLUTION: This gas meter 40 is used for determining an abnormality of an instrumental error. The gas meter 40 includes: a used apparatus determination part 44c for determining a used gas apparatus 10; a flow rate comparison part 44d for comparing a flow rate of fuel gas measured actually in a fixed-flow rate gas apparatus 10 with a fixed-flow rate, when the gas apparatus 10 determined by the used apparatus determination part 44c is the fixed-flow rate gas apparatus 10; and an abnormality determination part 44e for determining that an instrumental error abnormality is generated in the gas meter 40, when the flow rate value of the fuel gas measured actually by the fixed-flow rate gas apparatus 10 is different from a fixed flow rate value as much as a prescribed value or more as a comparison result by the flow rate value comparison part 44d. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于通过燃气表简单体来确定仪器误差的异常的气量计和异常确定方法。

      解决方案:该气量计40用于确定仪器误差的异常。 燃气表40包括:用于确定废气装置10的二手设备确定部44c; 用于将固定流量气体装置10中实际测量的燃料气体的流量与固定流量进行比较的流量比较部44d,当由使用装置确定部44c确定的气体装置10为固定流量时 速率气体装置10; 以及当由固定流量气体装置10实际测量的燃料气体的流量值与固定流量值不同时,确定在燃气表40中产生仪器误差异常的异常判定部44e作为 作为流量值比较部44d的比较结果的规定值以上。 版权所有(C)2011,JPO&INPIT

    • 7. 发明专利
    • Restoration security verification method and electronic gas meter
    • 恢复安全验证方法和电子气体计
    • JP2010032535A
    • 2010-02-12
    • JP2009249273
    • 2009-10-29
    • Yazaki Corp矢崎総業株式会社
    • KAWASHIMA SADAMUISOBE KIMIKATSU
    • G01F3/22F23K5/00
    • PROBLEM TO BE SOLVED: To provide restoration security verification method and an electronic gas meter for sooner and more safely achieving restoration security verification.
      SOLUTION: The electronic gas meter includes a shutoff section 9 comprising an isolation valve, and restoration security verification means 1-5 and 8 to verify restoration security when opening the isolation valve based on a restoration signal input to restore gas supply after the occurrence of shutoff event. These restoration security verification means 1-5 and 8 check for the presence of flow rate immediately after restoration to set a first stability time when the above flow rate is a preset first flow rate threshold value or less, while setting a second stability time longer than the first stability time when the flow rate exceeds the preset first flow rate threshold value to verify restoration security based on the presence of leak flow rate after the first or second stability time has passed.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供恢复安全验证方法和电子气量计更快更安全地实现恢复安全验证。 解决方案:电子气量计包括一个包括隔离阀的关闭部分9和恢复安全验证装置1-5和8,用于根据输入的恢复信号来打开隔离阀时检验恢复安全性,以在 发生关闭事件。 这些恢复安全验证装置1-5和8在恢复之后立即检查流量的存在,以便在上述流量为预设的第一流量阈值或更小时设定第一稳定时间,同时设定比第 当流量超过预设的第一流量阈值时的第一稳定时间,以在第一或第二稳定时间过去之后基于泄漏流量的存在来验证恢复安全性。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Mounting structure of gas meter and peripheral apparatus
    • 气体计量器和外围设备的安装结构
    • JP2005345351A
    • 2005-12-15
    • JP2004167133
    • 2004-06-04
    • Yazaki Corp矢崎総業株式会社
    • ISOBE KIMIKATSUMATSUMOTO YASUHIROZENITANI KIYOSHIUSHIJIMA KAZUHIRO
    • G01F3/22
    • PROBLEM TO BE SOLVED: To provide a mounting structure of a gas meter and a peripheral apparatus capable of mounting easily the peripheral apparatus, and improving an appearance. SOLUTION: A pair of snap claw receiving parts 121 are provided respectively on both sides of the bottom surface of the gas meter 1. The upper surface of the peripheral apparatus 13 has the width and the depth equal to the bottom surface of the gas meter 1, and snap claws 131 to be engaged respectively with the pair of snap claw receiving parts 121 are provided respectively on both sides of the upper surface of the peripheral apparatus 13. When mounting the peripheral apparatus 13 on the gas meter 1, the pair of snap claws 131 provided on the peripheral apparatus 13 are engaged with the pair of snap claw receiving parts 121 provided on the gas meter 1. Hereby, the peripheral apparatus 13 can be mounted on the gas meter 1 easily only by snap fitting without requiring a screwing work or the like. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够容易地安装周边设备并且改善外观的燃气表和周边设备的安装结构。 解决方案:分别在燃气表1的底面的两侧设置有一对卡爪接收部121.外围装置13的上表面的宽度和深度等于 分别在周边设备13的上表面的两侧分别设置有与一对卡爪接收部121接合的卡爪131。当将周边设备13安装在燃气表1上时, 设置在周边设备13上的一对卡扣爪131与设置在燃气表1上的一对卡爪接收部121接合。因此,周边设备13可以通过卡扣配合容易地安装在燃气表1上,而不需要 螺丝工作等。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Lp gas bulk feed system
    • LP气体送料系统
    • JP2004278685A
    • 2004-10-07
    • JP2003071589
    • 2003-03-17
    • Yazaki Corp矢崎総業株式会社
    • SUZUKI KAZUOISOBE KIMIKATSU
    • F17C7/00F17C7/04F17C13/02
    • PROBLEM TO BE SOLVED: To reduce energy consumption of an LP gas bulk feed system equipped with a forced vaporizing device.
      SOLUTION: The LP gas bulk feed system comprises a bulk reservoir 1 for storing LP gas, the forced vaporizing device 2 connected to the bulk reservoir 1 through a liquid phase line A, a feed line C connected to the forced vaporizing device 2 via a regulator 4 for liquid phase, a solenoid valve 8 disposed in the feed line C, a two-stage secondary regulator 5 disposed in the feed line C on the downstream side of the solenoid valve 8, a gas phase line B of which one end is connected to the bulk reservoir 1 via a two-stage primary regulator 3 for gas phase and the other end is connected between the solenoid valve 8 and the two-stage secondary regulator 5 of the feed line C, a temperature sensor 6 for detecting temperature of the bulk reservoir 1, and a temperature controller 7 for closing the solenoid valve 8 when the detected temperature becomes a lower limit temperature or lower or opening the solenoid valve 8 when the detected temperature becomes an upper limit temperature or higher.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:降低配备有强制蒸发装置的LP气体批量进料系统的能量消耗。 解决方案:LP气体本体进料系统包括用于储存LP气体的容积储存器1,强制蒸发装置2通过液相管线A连接到大容积储存器1,连接到强制蒸发装置2的进料管线C 经由用于液相的调节器4,设置在供给管线C中的电磁阀8,设置在电磁阀8的下游侧的供给管线C中的两级二次调节器5,气相线B 端部通过用于气相的两级初级调节器3连接到容器储存器1,另一端连接在电磁阀8和进料管线C的两级二次调节器5之间,用于检测的温度传感器6 当检测到的温度变为上限温度或更低时,当检测到的温度变为下限温度或更低或打开电磁阀8时,关闭电磁阀8的温度控制器7的温度控制器7。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Gas emergency shut-off device
    • 气体紧急关闭装置
    • JP2000074239A
    • 2000-03-14
    • JP24063198
    • 1998-08-26
    • Yazaki Corp矢崎総業株式会社
    • ISOBE KIMIKATSU
    • F16K17/38
    • PROBLEM TO BE SOLVED: To provide an inexpensive gas emergency shut-off device having the low pressure loss in regular use and having a simple structure.
      SOLUTION: A pipe joint 1 having upper and lower opening parts 1b, 1c and a lateral opening part 1a perpendicular to them is provided, a ring-shaped stopper 4 formed of a low melting point metallic material is arranged on the opening part 1b, a spherical valve element 6 is locked on the stopper 4, a union collar 10 is attached to the opening part 1c, a valve seat 12 for receiving the valve element 6 is formed on the upper end opening part of the union collar 10, the opening part 1a is connected to gas piping, and the union collar 10 is connected to a gas meter. When the temperature in a gas emergency shut-off device rises in emergency such as fire, the stopper 4 is melted, the valve element 6 is dropped by its own weight and locked on the valve seat 12, and the upper end opening part of the union collar 10 is closed.
      COPYRIGHT: (C)2000,JPO
    • 要解决的问题:提供一种廉价的气体紧急切断装置,其具有常规使用的低压力损失并具有简单的结构。 解决方案:具有上下开口部分1b,1c和与它们垂直的横向开口部分1a的管接头1,在开口部分1b上设置由低熔点金属材料形成的环形止动件4, 球形阀体6被锁定在止动件4上,接合套环10安装在开口部分1c上,用于容纳阀元件6的阀座12形成在接合套环10的上端开口部分上,开口部分 1a连接到气体管道,并且联接套环10连接到气量计。 当气体紧急关闭装置中的温度在诸如火灾的紧急情况下升高时,止动器4熔化,阀元件6由其自重下落并锁定在阀座12上,并且上端开口部分 联合衣领10关闭。