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1. 发明专利

JP2004301815A Method of measuring pipe diameter using acoustic sensor 审中-公开
公开(公告)号：JP2004301815A
公开(公告)日：2004-10-28
申请号：JP2003127532
申请日：2003-03-31
申请人： Nittobo Acoustic Engineering Co Ltd , Osaka Gas Co Ltd , Seibu Gas Co Ltd , Sumitomo Metal Ind Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 住友金属工業株式会社 , 大阪瓦斯株式会社 , 日東紡音響エンジニアリング株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 西部瓦斯株式会社
发明人： NAKAJIMA HIROSHI , YAMANAKA TAKAAKI , OYAMA HIROSHI , OOHASHI SHINJI , HOSHINO IKUJI , YAGI SHUICHI , KAWAGUCHI KEIJI , KOSAKA MASAMICHI , TOYODA YASUHIRO
IPC分类号： G01B17/00
摘要： PROBLEM TO BE SOLVED: To easily and exactly measure a pipe diameter, using an acoustic sensor. SOLUTION: An electric acoustic converter for an output and an electric acoustic converter for an input are arranged in a pipe, a sound wave having a fixed energy and/or power level(s) is output from the electric acoustic converter for the output to input the output sound wave into the electric acoustic converter for the input, and the pipe diameter is found by collating a value/values of energy and/or power level(s) of the input sound wave, a value of time constitution of an impulse response shape, values of the whole band level of a frequency transmission characteristic, a specified band level thereof and a specified frequency-weighed level therein, or a value/values of a peak and/or dip frequency/frequencies of the frequency transmission characteristic with a value found preliminarily. COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2004301657A Method for measuring inner diameter of tube and apparatus therefor 审中-公开
公开(公告)号：JP2004301657A
公开(公告)日：2004-10-28
申请号：JP2003094743
申请日：2003-03-31
申请人： Osaka Gas Co Ltd , Seibu Gas Co Ltd , Sumitomo Metal Ind Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 住友金属工業株式会社 , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 西部瓦斯株式会社
发明人： ISEI YOSHIHITO , HOSHINO IKUJI , HIRAOKA SEIJI , KAWAGUCHI KEIJI , YAGI SHUICHI , KOSAKA MASAMICHI , TOYODA YASUHIRO
IPC分类号： G01B11/12
摘要： PROBLEM TO BE SOLVED: To provide a method for measuring the inner diameter of a tube which can easily measure the inner diameter of the tube, and which can be also applied to the measurement of the inner diameter of the tube having a small diameter.
SOLUTION: In the method for measuring the inner diameter of the tube, a two-dimensional imaging device 111 having the gaze along the axial direction of the tube T to be measured and a light emitting diode 112 disposed in the visual field S of the two-dimensional imaging device 111 are inserted into the tube T to be measured. The radius of curvature of the bright part other than the part corresponding to the light emitting diode 112 is calculated for the image taken by the inserted two-dimensional imaging device 111.
COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2003294573A Gas leakage position indicator 有权
标题翻译：气体泄漏位置指示器
公开(公告)号：JP2003294573A
公开(公告)日：2003-10-15
申请号：JP2002096267
申请日：2002-03-29
申请人： Japan Gas Association , Osaka Gas Co Ltd , Seibu Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 社団法人日本ガス協会 , 西部瓦斯株式会社
发明人： TAKAGI SATOSHI , KAWAGUCHI KEIJI , TAMURA MASAYUKI , SUYAMA KENJI , ISHIDA HIROSHI
IPC分类号： G01B11/00 , F17D5/02 , G01M3/02 , G01M3/38 , G01N21/35 , G01N21/3504
摘要： PROBLEM TO BE SOLVED: To provide a gas leakage position indicator capable of directly indicating a gas leakage position even from a remote location. SOLUTION: An area in which hydrocarbon 3 and the like leaks from a gas pipe 2 or the like is irradiated with an absorption infrared ray 4 and non- absorption infrared ray 5. The wavelength of the absorption infrared ray 4 is an absorption wavelength λON absorbed by the hydrocarbon 3, and the wavelength of the non-absorption infrared ray 5 is a non-absorption wavelength λOFF. Reflected light is received by a light receiving element 30, and from comparison of received light intensity by an image processing circuit 32, a concentration distribution of the hydrocarbon 3 is obtained as a leakage condition image 10 on a visualized screen 9. A leakage position calculation circuit 33 calculates a leakage position in the vicinity of a position giving a maximum hydrocarbon 3 concentration, and the leakage position 37 is indicated by visible light 35 emitted from a position indicating visible light laser 24. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供即使从远程位置也能够直接指示气体泄漏位置的气体泄漏位置指示器。解决方案：其中烃3等从气体管2等泄漏的区域被吸收红外线4和非吸收红外线5照射。吸收红外线4的波长是吸收由烃3吸收的波长λON，非吸收型红外线5的波长为非吸收波长λOFF。反射光被光接收元件30接收，并且通过图像处理电路32的接收光强度的比较，在可视化屏幕9上获得烃3的浓度分布作为泄漏条件图像10.泄漏位置计算电路33计算给出最大烃3浓度的位置附近的泄漏位置，泄漏位置37由可见光激光器24的位置发出的可见光35表示。（C）2004， JPO

4. 发明专利

JP2003294567A Gas leak visualizing and distance measuring device 审中-公开
标题翻译：气体泄漏可视化和距离测量装置
公开(公告)号：JP2003294567A
公开(公告)日：2003-10-15
申请号：JP2002096266
申请日：2002-03-29
申请人： Japan Gas Association , Osaka Gas Co Ltd , Seibu Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 社団法人日本ガス協会 , 西部瓦斯株式会社
发明人： TAKAGI SATOSHI , KAWAGUCHI KEIJI , TAMURA MASAYUKI , SUYAMA KENJI , ISHIDA HIROSHI
IPC分类号： G01N21/17 , G01M3/02 , G01M3/04 , G01N21/35 , G01N21/3504
摘要： PROBLEM TO BE SOLVED: To visualize the gas leak state even from a separated position, and to measure the distance to the leak position. SOLUTION: A region where hydrocarbons 3 leak from a gas pipe 2 or the like is irradiated with visualizing infrared rays 4 from a light emitting part 6. The visualizing infrared rays 4 include infrared rays having two wavelengths, namely, an absorption wavelength λON absorbed by the hydrocarbons and a nonabsorption wavelength λOFF. Reflected light is received by a light receiving element 30, and a concentration distribution of the hydrocarbons 3 can be acquired on a visualizing screen 9 as a leak state image 10 from comparison of the light receiving intensity by an image processing circuit 32. Distance measuring infrared rays 5 having the wavelength λL not absorbed by the hydrocarbons 3 are also irradiated from the light emitting part 6, and received by the light receiving element 30. The position where the hydrocarbon 3 concentration becomes maximum is supposed as a leak spot, and the distance to the position is measured by a distance measuring circuit 33, and can be displayed on the visualizing screen 9 as a distance display 12. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：即使从分离的位置也能够可视化气体泄漏状态，并且测量到泄漏位置的距离。解决方案：从发光部分6照射来自气体管2等的碳氢化合物3泄漏的区域，可见红外线4.可视化红外线4包括具有两个波长的红外线，即吸收波长由烃和吸收波长λOFF吸收的λON。反射光被光接收元件30接收，并且通过图像处理电路32的受光强度的比较，可以在可视化屏幕9上作为泄漏状态图像10获取碳氢化合物3的浓度分布。距离测量红外具有不被烃3吸收的波长λL的光线5也从发光部6照射并被光接收元件30接收。烃3浓度变为最大的位置被认为是泄漏点，到位置由距离测量电路33测量，并且可以作为距离显示器12显示在可视化屏幕9上。版权所有（C）2004，JPO

5. 发明专利

JP2009244208A Gas meter with gas supply monitoring function 有权
标题翻译：气体计量器与气体供应监测功能
公开(公告)号：JP2009244208A
公开(公告)日：2009-10-22
申请号：JP2008093720
申请日：2008-03-31
申请人： High Pressure Gas Safety Institute Of Japan , Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba 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 , 東邦瓦斯株式会社 , 株式会社東芝 , 高圧ガス保安協会
发明人： SUZUKI MAMORU , FUJIMOTO TATSUO , KOBAYASHI MASATOMO , NAGAI NOZOMI , KONO SACHIKO , KAWAGUCHI KEIJI , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , ASANO KAZUTAKA , IWAMOTO RYUJI , NAKAMURA HIROSUMI , OTANI TAKAHISA , HIRAYAMA YUICHI , ISHINO HITOAKI , SAKAMAKI MICHIHIKO
IPC分类号： G01F3/22 , F23N5/18 , F23N5/24
摘要： PROBLEM TO BE SOLVED: To provide a gas meter with a gas supply monitoring function capable of generating gas supply cutoff information or supply alarm information to a cooking stove in the maximumly proper state, when adding a function for generating the gas supply cutoff information or supply alarm information to a cooking stove.
SOLUTION: This gas meter with the gas supply monitoring function is equipped with a used apparatus discrimination means X2 for discriminating the kind of a gas apparatus used on the downstream side, a clocking means X4 for clocking a using time of the gas, and an information generation means 1d for generating the supply cutoff information or the supply alarm information of the gas. The used apparatus discrimination means X2 is constituted to be capable of discriminating use of a cooking stove 4 from use of a gas apparatus 4' other than the cooking stove, and is equipped with a heating power adjustment detection means X3. A using time by using the point of time of heating power adjustment as a starting point is clocked, when the cooking stove is discriminated to be used, and the heating power adjustment is detected.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了向气体计量器提供能够产生气体供应切断信息或者以最大适当状态向烹饪炉提供警报信息的气体供应监控功能，当添加产生气体供应截止功能时向烹饪炉提供信息或提供报警信息。具有气体供给监视功能的气量计配备有用于区分下游侧使用的气体装置的种类的二手装置识别装置X2，用于计时气体的使用时间的计时装置X4，以及用于产生气体的供给截止信息或供应警报信息的信息产生装置1d。所使用的装置识别装置X2构成为能够区分烹饪炉4的使用与烹饪炉以外的气体装置4'的使用，并且配备有加热功率调节检测装置X3。通过使用加热功率调整的时间点作为起点的使用时间被计时，当判别要使用的烹饪炉时，并且检测到加热功率调节。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009243838A Gas flow monitoring device 有权
标题翻译：气体流量监测装置
公开(公告)号：JP2009243838A
公开(公告)日：2009-10-22
申请号：JP2008093719
申请日：2008-03-31
申请人： High Pressure Gas Safety Institute Of Japan , Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba 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 , 東邦瓦斯株式会社 , 株式会社東芝 , 高圧ガス保安協会
发明人： SUZUKI MAMORU , TSUKAHARA YUICHI , NAGANUMA TETSUO , KOBAYASHI MASATOMO , NAGAI NOZOMI , KONO SACHIKO , KAWAGUCHI KEIJI , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , ASANO KAZUTAKA , IWAMOTO RYUJI , NAKAMURA HIROSUMI , OTANI TAKAHISA , HIRAYAMA YUICHI , ISHINO HITOAKI , SAKAMAKI MICHIHIKO
IPC分类号： F23K5/00 , G01F3/22
摘要： PROBLEM TO BE SOLVED: To provide a gas flow monitoring device, suitably using safe continuous working time in gas using facilities having a room with very high air tightness such as a basement, having a ventilator and favorably performing management in the operating status of the ventilator.
SOLUTION: In constructing the gas flow monitoring device based on the safe continuous working time, a standard safe continuous working time series, a reduced safe continuous working time series, and an extended safe continuous working time series are stored in a storage part, and one of the standard safe continuous working time series, the reduced safe continuous working time series, and the extended safe continuous working time series is selectively used as the safe continuous working time series used for monitoring in a monitoring part. The reduced safe continuous working time series is selected and used for the gas using facilities having a room with high sealing performance.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种气体流量监测装置，适当地使用具有具有非常高气密性的房间的气体使用设施中的安全连续工作时间，诸如地下室，具有通风机并且有利地在操作状态下执行管理的呼吸机。
解决方案：在安全连续工作时间的基础上构建气体流量监测装置，将标准安全连续工作时间序列，减少安全连续工作时间序列和延长安全连续工作时间序列存储在存储部分，安全连续工作时间序列之一，安全连续工作时间序列缩短，安全连续工作时间延长等作为监控部分的安全连续工作时间序列。减少安全连续工作时间序列被选择并用于具有高密封性能的房间的气体使用设施。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2013079980A Gas shut-off device, flow variation determining method by the same, and controller for gas shut-off device 有权
标题翻译：气体切断装置，其相应的流量变化确定方法和用于气体切断装置的控制器
公开(公告)号：JP2013079980A
公开(公告)日：2013-05-02
申请号：JP2013011805
申请日：2013-01-25
申请人： Tokyo Gas Co Ltd , 東京瓦斯株式会社 , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Toho Gas Co Ltd , 東邦瓦斯株式会社 , High Pressure Gas Safety Institute Of Japan , 高圧ガス保安協会 , Panasonic Corp , パナソニック株式会社 , Toshiba Toko Meter Systems Co Ltd , 東光東芝メーターシステムズ株式会社
发明人： SUZUKI MAMORU , FUJIMOTO TATSUO , KOBAYASHI KENCHI , NAGAI NOZOMI , KONO SACHIKO , KAWAGUCHI KEIJI , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , ASANO KAZUTAKA , IWAMOTO RYUJI , NAKAMURA HIROSUMI , OTANI TAKAHISA , HIRAYAMA YUICHI , ISHINO HITOAKI , MORINAGA TAKESHI , SAKAMAKI MICHIHIKO
IPC分类号： G01F3/22 , F23K5/00
摘要： PROBLEM TO BE SOLVED: To enable a safe duration time shut-off at proper timing by improving a flow variation presence/absence determining method for determining the presence or absence of substantial flow variation in a normal operation or a non-use state due to forgetting of turn-off.SOLUTION: A gas shut-off device includes a flow variation detecting section 112, a counting section 113, a flow variation presence/absence determining section 114 and a security section 116. The device thereby performs in parallel a flow variation determination processing for preventing early shut-off, a flow variation determination processing for preventing late shut-off, and a reducing-direction flow variation determination processing. In the flow variation determination processing for preventing early shut-off, the device determines on a determination condition that "flow variations equal to or greater than a flow variation minimum value occur the prescribed number of times (N times) or more. In the flow variation determination processing for preventing late shut-off, the device determines on a determination condition that "flow variation equal to or greater than an ignition flow rate minimum value occurs". In the reducing-direction flow variation determination processing, the device determines on a determination condition that "flow variations equal to or greater than a reducing-direction variation determination value occur the prescribed number of times (M times) or more within a prescribed time (X hours)."
摘要翻译：要解决的问题：通过改进用于确定在正常操作或非使用状态中是否存在实质性流量变化的流量变化存在/不存在确定方法，在适当的时机使安全持续时间关闭由于忘记了关闭。解决方案：气体切断装置包括流量变化检测部分112，计数部分113，流动变化存在/不存在确定部分114和安全部分116.因此，装置并行地执行流动变化确定处理用于防止早期关闭，用于防止后期关闭的流量变化确定处理和减少方向流动变化确定处理。在用于防止提前关闭的流量变动判定处理中，判断为“流量变化等于或大于流量变化最小值出现规定次数（N次）以上”的判定条件，在流程变更确定处理，用于防止后期关闭，所述装置在判定条件下判定为发生“流量变化等于或大于点火流量最小值”，在所述减少方向流动变化判定处理中， “规定时间（X小时）以内的规定次数（M次）以上的”流量变动等于或大于减少方向变化判定值的判定条件“。（C）2013， JPO和INPIT

8. 发明专利

JP2010197289A Leakage detection device 有权
标题翻译：泄漏检测装置
公开(公告)号：JP2010197289A
公开(公告)日：2010-09-09
申请号：JP2009044066
申请日：2009-02-26
申请人： High Pressure Gas Safety Institute Of Japan , Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Toko Meter Systems Co Ltd , 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 , 東光東芝メーターシステムズ株式会社 , 東邦瓦斯株式会社 , 高圧ガス保安協会
发明人： IWAMOTO RYUJI , NAKAMURA HIROSUMI , ASANO KAZUTAKA , OTANI TAKAHISA , KOBAYASHI MASATOMO , NAGAI NOZOMI , KONO SACHIKO , KAWAGUCHI KEIJI , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , HIRAYAMA YUICHI , ISHINO HITOAKI , MORINAGA TAKESHI , SAKAMAKI MICHIHIKO
IPC分类号： G01F3/22
摘要： PROBLEM TO BE SOLVED: To determine gas leak by discriminating between the gas leak and use of a gas apparatus by the magnitude of a flow rate change of a passing flow rate in the case of being larger than a prescribed flow rate, and to thereby improve safety and convenience in use of gas.
SOLUTION: This leakage detection device 10 includes: a leakage determination execution flow rate determination part 13 for discriminating a leakage apparatus when a flow rate value of the passing flow rate is larger than a flow rate threshold; a leakage apparatus discrimination part 14 for determining leakage of gas when the flow rate change of the gas passing flow rate is smaller than a flow rate change threshold, and determining that a gas apparatus is under use when the flow rate change is larger than the flow rate change threshold; a control part 15 for performing determination of gas cutoff or an alarm and control of communication; a storage part 16 for storing the flow rate value, an accumulated flow rate value, the flow rate change threshold of the flow rate change of the passing flow rate for determining leakage apparatus discrimination, and the flow rate threshold of the flow rate value for determining execution of flow rate determination; and a communication part 17 for communicating with a gas enterpriser when the control part 15 performs determination of gas cutoff or an alarm.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过根据大于规定流量的通过流量的流量变化的大小区分气体泄漏和气体装置的使用来确定气体泄漏，以及从而提高使用气体的安全性和便利性。解决方案：该泄漏检测装置10包括：泄漏判定执行流量确定部13，用于当流量流量值大于流量阈值时识别泄漏装置; 用于当气体通过流量的流量变化小于流量变化阈值时确定气体泄漏的泄漏装置识别部14，在流量变化大于流量时判断为使用气体装置速率变化阈值; 用于执行气体截断或报警和通信控制的确定的控制部分15; 存储部16，用于存储流量值，累积流量值，用于确定泄漏装置辨别的通过流量的流量变化的流量变化阈值以及用于确定的流量值的流量阈值执行流量测定; 以及连通部17，用于在控制部15进行气体切断或报警的判定时与气体开展者进行通信。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009243849A Gas meter with gas supply monitoring function 有权
标题翻译：气体计量器与气体供应监测功能
公开(公告)号：JP2009243849A
公开(公告)日：2009-10-22
申请号：JP2008093781
申请日：2008-03-31
申请人： High Pressure Gas Safety Institute Of Japan , Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba 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 , 東邦瓦斯株式会社 , 株式会社東芝 , 高圧ガス保安協会
发明人： KAWAGUCHI KEIJI , OKAMURA SHIGENORI , FUJII YASUHIRO , SUZUKI MAMORU , FUJIMOTO TATSUO , KOBAYASHI MASATOMO , NAGAI NOZOMI , KONO SACHIKO , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , ASANO KAZUTAKA , IWAMOTO RYUJI , NAKAMURA HIROSUMI , OTANI TAKAHISA , HIRAYAMA YUICHI , ISHINO HITOAKI , SAKAMAKI MICHIHIKO
IPC分类号： F23K5/00 , F23N5/18 , F23N5/26 , G01F3/22
摘要： PROBLEM TO BE SOLVED: To add a function of generating information of blocking gas supply to a cooking stove or supply warning information to a gas meter, and to provide the gas meter with a gas supply monitoring function generating the information in the most suitable state.
SOLUTION: The gas meter is equipped with a used instrument determination means X2 for determining the kind of a gas instrument used on the downstream side from a change pattern of gas flow rate supplied to the downstream side, and a single usage determination means X3 comprising a gas flow rate storing means m for storing the gas flow rate over time until a first time limit and a first clocking means X4a for clocking continual operation of the cooking stove. When an operating time of the cooking stove exceeds the first time limit, the single usage determination means X3 determines whether the cooking stove is used in a state of being regarded as a single usage status, based on change of the gas flow rate stored in the gas flow rate storing means m. Thus, the gas meter generates the gas supply blocking information or the supply warning information.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：向烹饪炉添加阻断气体供应信息或向燃气表供应警告信息的功能，并且向气体计量器提供最多产生信息的气体供应监控功能合适的状态。解决方案：气量计配备有用于确定从供给下游侧的气体流量的变化模式而在下游侧使用的气体仪器的种类的二手仪器确定装置X2和单个使用确定装置 X3包括用于存储一段时间内的气体流量直到第一时间限制的气体流量存储装置m和用于计时烹饪炉的连续操作的第一计时装置X4a。当烹饪炉的操作时间超过第一时间限制时，单次使用确定装置X3基于存储在烹饪炉中的气体流量的变化来确定烹饪炉是否被以被认为是单一使用状态的状态使用气体流量存储装置m。因此，燃气表产生供气阻塞信息或供应警告信息。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010008349A Gas security device 有权
标题翻译：气体安全装置
公开(公告)号：JP2010008349A
公开(公告)日：2010-01-14
申请号：JP2008170709
申请日：2008-06-30
申请人： High Pressure Gas Safety Institute Of Japan , Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba 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 , 東邦瓦斯株式会社 , 株式会社東芝 , 高圧ガス保安協会
发明人： IWAMOTO RYUJI , ASANO KAZUTAKA , NAKAMURA HIROSUMI , OTANI TAKAHISA , KOBAYASHI MASATOMO , NAGAI NOZOMI , KONO SACHIKO , KAWAGUCHI KEIJI , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , HIRAYAMA YUICHI , ISHINO HITOAKI , SAKAMAKI MICHIHIKO
IPC分类号： G01F3/22
摘要： PROBLEM TO BE SOLVED: To prevent operation of a security function such as cutoff in a normal using time range in a specific apparatus, and to allow a proper security processing to function. SOLUTION: A gas security device 10 includes an apparatus discrimination part 14 for performing apparatus discrimination from a gas flow rate measured by a flow measuring part 11 and its flow rate change characteristic, the first security function part 13 for performing security processing according to elapse of a using time set in each flow rate section, the second security function part 15 for performing security processing according to elapse of a using time set in each apparatus by using apparatus discrimination results, a flow rate change determination part 19 for determining existence of a flow rate change over a prescribed value, a cutoff valve 17 for performing a security processing, and an announcement part 18. When a specific apparatus is discriminated, the flow rate change determination part 19 changes a little a threshold for flow rate change determination, and when a flow rate change is determined by the flow rate change determination part 19, the first security function part 13 and the second security function part 15 reset count of the using time. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了防止在特定装置中正常使用时间范围内的诸如截止的安全功能的操作，并且允许适当的安全处理功能。解决方案：气体安全装置10包括：设备鉴别部分14，用于根据由流量测量部分11测量的气体流量和其流量变化特性执行装置鉴别;第一安全功能部分13，用于执行安全处理; 在每个流量部分中设置的使用时间经过第二安全功能部分15，用于通过使用装置鉴别结果根据在每个装置中设置的使用时间来执行安全处理的第二安全功能部分15，用于确定存在的流量变化确定部分19 流量变化超过规定值，用于进行安全处理的截止阀17以及通知部18.当判定出特定装置时，流量变化判定部19仅改变流量变化判定阈值并且当由流量变化确定部分19确定流量变化时，第一安全功能部分13和第二安全功能部分15复位使用时间的计数。版权所有（C）2010，JPO＆INPIT

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