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1. 发明授权

US09423286B2 Liquid level sensing apparatus and method 有权
标题翻译：液位感测装置及方法
公开(公告)号：US09423286B2
公开(公告)日：2016-08-23
申请号：US14374272
申请日：2013-01-25
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Kentaro Nishimura , Katsumoto Nagase , Fujio Shiraishi , Yuka Takada
IPC分类号： G01F23/24 , G01F23/22 , G21C17/035 , G21C19/07
CPC分类号： G01F23/22 , G01F23/241 , G01F23/243 , G01F23/248 , G21C17/035 , G21C19/07
摘要： Provided is a apparatus for sensing a liquid level reliably based solely on an analog process even if a liquid held in a container boils, causing the liquid level to fall. A liquid level sensing apparatus includes: a probe selection unit configured to select a probe whose heater is to be activated from among the plurality of probes; an input unit configured to receive an output of the temperature sensor of the probe selected by the probe selection unit, the output being received as a temperature signal directly in the form of an analog quantity; a signal processing unit configured to output a processing signal of the temperature signal in synchronization with activation of the heater; a calculation unit configured to arithmetically process the temperature signal and the processing signal and output a result; a gas/liquid discrimination unit configured to discriminate whether the detecting point exists in a gas phase or a liquid phase based on the output result of the arithmetic processing; and a display unit configured to indicate a discrimination result produced by the gas/liquid discrimination unit.
摘要翻译：本发明提供了一种只要依靠模拟处理可靠地检测液位的装置，即使容纳在容器中的液体沸腾，导致液面下降。液位检测装置包括：探头选择单元，被配置为从多个探针中选择要加热器被激活的探针; 输入单元，被配置为接收由探头选择单元选择的探头的温度传感器的输出，所述输出作为模拟量直接的温度信号接收; 信号处理单元，被配置为与加热器的激活同步地输出温度信号的处理信号; 计算单元，被配置为对所述温度信号和所述处理信号进行算术处理并输出结果; 气体/液体鉴别单元，其被配置为基于所述算术处理的输出结果来鉴别所述检测点是否存在于气相或液相中; 以及显示单元，被配置为指示由气体/液体识别单元产生的识别结果。

2. 发明申请

US20150036778A1 REACTOR STATE MONITORING APPARATUS AND MONITORING METHOD THEREOF 审中-公开
标题翻译：反应器状态监测装置及其监测方法
公开(公告)号：US20150036778A1
公开(公告)日：2015-02-05
申请号：US14367694
申请日：2012-12-21
申请人： Kabushiki Kaisha Toshiba
发明人： Mikio Izumi , Hidehiko Kuroda , Yuka Takada , Makoto Takemura , Hiroaki Kenjyo
IPC分类号： G21C17/035 , G21C17/10 , G21C13/02
CPC分类号： G21C17/035 , G21C13/02 , G21C17/10 , G21D3/04 , G21D3/06 , Y02E30/40
摘要： A reactor state monitoring apparatus including: a first gamma ray-dose measurement device that detects and measures an atmospheric radiation dose caused by radioactive substances on a containment vessel side respective to a biological shielding wall surrounding a pressure vessel and outside the pressure vessel; a second gamma ray-dose measurement device that detects and measures a radiation dose on the pressure vessel side respective to the biological shielding wall; a fuel radiation measuring device that detects and measures a radiation dose of fuel in the pressure vessel; and a water amount evaluation device that calculates a difference between radiation doses measured by the fuel radiation measuring device and the first gamma ray-dose measurement device as a corrected fuel radiation dose, and acquires a cooling water level as a water level evaluation value, based on the radiation dose measured by the second gamma ray-dose measurement device and the corrected fuel radiation dose.
摘要翻译：一种反应器状态监测装置，包括：第一伽马射线剂量测量装置，其检测并测量由围绕压力容器的生物屏蔽壁和压力容器外部的围绕容器侧的放射性物质引起的大气辐射剂量; 第二伽马射线剂量测量装置，其检测并测量与生物屏蔽壁相对的压力容器侧上的辐射剂量; 燃料辐射测量装置，其检测并测量所述压力容器中的燃料的辐射剂量; 以及水量评估装置，其计算由燃料辐射测量装置测量的辐射剂量与第一伽马射线剂量测量装置之间的差异作为校正的燃料辐射剂量，并且基于水的评估值获取冷却水位关于由第二伽马射线剂量测量装置测量的辐射剂量和校正的燃料辐射剂量。

3. 发明申请

US20150040660A1 LIQUID LEVEL SENSING APPARATUS AND METHOD 有权
标题翻译：液位感测装置及方法
公开(公告)号：US20150040660A1
公开(公告)日：2015-02-12
申请号：US14374272
申请日：2013-01-25
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Kentaro Nishimura , Katsumoto Nagase , Fujio Shiraishi , Yuka Takada
IPC分类号： G01F23/22
CPC分类号： G01F23/22 , G01F23/241 , G01F23/243 , G01F23/248 , G21C17/035 , G21C19/07
摘要： Provided is a apparatus for sensing a liquid level reliably based solely on an analog process even if a liquid held in a container boils, causing the liquid level to fall. A liquid level sensing apparatus includes: a probe selection unit configured to select a probe whose heater is to be activated from among the plurality of probes; an input unit configured to receive an output of the temperature sensor of the probe selected by the probe selection unit, the output being received as a temperature signal directly in the form of an analog quantity; a signal processing unit configured to output a processing signal of the temperature signal in synchronization with activation of the heater; a calculation unit configured to arithmetically process the temperature signal and the processing signal and output a result; a gas/liquid discrimination unit configured to discriminate whether the detecting point exists in a gas phase or a liquid phase based on the output result of the arithmetic processing; and a display unit configured to indicate a discrimination result produced by the gas/liquid discrimination unit.
摘要翻译：本发明提供了一种只要依靠模拟处理可靠地检测液位的装置，即使容纳在容器中的液体沸腾，导致液面下降。液位检测装置包括：探头选择单元，被配置为从多个探针中选择要加热器被激活的探针; 输入单元，被配置为接收由探头选择单元选择的探头的温度传感器的输出，所述输出作为模拟量直接的温度信号接收; 信号处理单元，被配置为与加热器的激活同步地输出温度信号的处理信号; 计算单元，被配置为对所述温度信号和所述处理信号进行算术处理并输出结果; 气体/液体鉴别单元，其被配置为基于所述算术处理的输出结果来鉴别所述检测点是否存在于气相或液相中; 以及显示单元，被配置为指示由气体/液体识别单元产生的识别结果。

4. 发明授权

US10102934B2 Reactor state monitoring apparatus and monitoring method thereof 有权
公开(公告)号：US10102934B2
公开(公告)日：2018-10-16
申请号：US14367694
申请日：2012-12-21
申请人： Kabushiki Kaisha Toshiba
发明人： Mikio Izumi , Hidehiko Kuroda , Yuka Takada , Makoto Takemura , Hiroaki Kenjyo
IPC分类号： G21C17/035 , G21C13/02 , G21C17/10 , G21D3/04 , G21D3/06
摘要： A reactor state monitoring apparatus including: a first gamma ray-dose measurement device that detects and measures an atmospheric radiation dose caused by radioactive substances on a containment vessel side respective to a biological shielding wall surrounding a pressure vessel and outside the pressure vessel; a second gamma ray-dose measurement device that detects and measures a radiation dose on the pressure vessel side respective to the biological shielding wall; a fuel radiation measuring device that detects and measures a radiation dose of fuel in the pressure vessel; and a water amount evaluation device that calculates a difference between radiation doses measured by the fuel radiation measuring device and the first gamma ray-dose measurement device as a corrected fuel radiation dose, and acquires a cooling water level as a water level evaluation value, based on the radiation dose measured by the second gamma ray-dose measurement device and the corrected fuel radiation dose.

5. 发明授权

US09557208B2 Liquid level measuring apparatus, method, and program 有权
标题翻译：液位测量装置，方法和程序
公开(公告)号：US09557208B2
公开(公告)日：2017-01-31
申请号：US14369513
申请日：2012-12-27
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Hidehiko Kuroda , Naruhiko Mukai , Osamu Kawakami , Makoto Takemura , Yuka Takada , Fujio Shiraishi
IPC分类号： G01F23/28 , G01F23/296 , G21C17/035 , F01K5/02
CPC分类号： G01F23/2965 , F01K5/02 , G01F23/2961 , G01F23/2967 , G01F23/2968 , G21C17/035
摘要： Provided is a liquid level measuring technique capable of measuring a liquid level with high accuracy even if a liquid stored in a container is boiling. The liquid level measuring apparatus includes: ultrasonic sensors each configured to transmit and receive an ultrasonic wave, the ultrasonic sensors being respectively set at a plurality of positions on an outer surface of a container that stores a liquid; a transmission/reception controlling unit configured to set, as a target, any one of the ultrasonic sensors at the plurality of positions and control the transmission and reception of the ultrasonic wave of the target; an intensity detecting unit configured to detect an intensity of the ultrasonic wave that satisfies at least 2≦N (N: natural number), of the ultrasonic waves that are reflected N times on an inner surface of the container; a gas/liquid determining unit configured to determine which of the liquid and a gas a reflection point on the inner surface is in contact with, on a basis of the detected intensity of the ultrasonic wave; and a level determining unit configured to determine a liquid level of the liquid on a basis of gas/liquid determination results respectively derived by the ultrasonic sensors at the plurality of positions.
摘要翻译：本发明提供一种能够即使储存在容器中的液体沸腾也能够高精度地测量液位的液位测量技术。液位测量装置包括：超声波传感器，其被配置为发送和接收超声波，超声波传感器分别设置在存储液体的容器的外表面上的多个位置; 发送/接收控制单元，被配置为在所述多个位置设置所述超声波传感器中的任何一个作为目标，并控制所述目标的超声波的发送和接收; 强度检测单元，被配置为检测在所述容器的内表面上反射N次的超声波的至少满足2≤N（N：自然数）的超声波的强度; 气体/液体确定单元，被配置为基于检测到的超声波的强度来确定内表面中的哪一个反射点与气体接触的气体; 以及水平确定单元，其被配置为基于由多个位置处的超声波传感器分别导出的气体/液体确定结果来确定液体的液面。

6. 发明申请

US20140366626A1 LIQUID LEVEL MEASURING APPARATUS, METHOD, AND PROGRAM 有权
标题翻译：液位测量装置，方法和程序
公开(公告)号：US20140366626A1
公开(公告)日：2014-12-18
申请号：US14369513
申请日：2012-12-27
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Hidehiko Kuroda , Naruhiko Mukai , Osamu Kawakami , Makoto Takemura , Yuka Takada , Fujio Shiraishi
IPC分类号： G01F23/296
CPC分类号： G01F23/2965 , F01K5/02 , G01F23/2961 , G01F23/2967 , G01F23/2968 , G21C17/035
摘要： Provided is a liquid level measuring technique capable of measuring a liquid level with high accuracy even if a liquid stored in a container is boiling. The liquid level measuring apparatus includes: ultrasonic sensors each configured to transmit and receive an ultrasonic wave, the ultrasonic sensors being respectively set at a plurality of positions on an outer surface of a container that stores a liquid; a transmission/reception controlling unit configured to set, as a target, any one of the ultrasonic sensors at the plurality of positions and control the transmission and reception of the ultrasonic wave of the target; an intensity detecting unit configured to detect an intensity of the ultrasonic wave that satisfies at least 2≦N (N: natural number), of the ultrasonic waves that are reflected N times on an inner surface of the container; a gas/liquid determining unit configured to determine which of the liquid and a gas a reflection point on the inner surface is in contact with, on a basis of the detected intensity of the ultrasonic wave; and a level determining unit configured to determine a liquid level of the liquid on a basis of gas/liquid determination results respectively derived by the ultrasonic sensors at the plurality of positions.
摘要翻译：本发明提供一种能够即使储存在容器中的液体沸腾也能够高精度地测量液位的液位测量技术。液位测量装置包括：超声波传感器，其被配置为发送和接收超声波，超声波传感器分别设置在存储液体的容器的外表面上的多个位置; 发送/接收控制单元，被配置为在所述多个位置设置所述超声波传感器中的任何一个作为目标，并控制所述目标的超声波的发送和接收; 强度检测单元，被配置为检测在所述容器的内表面上反射N次的超声波的至少2＆lt; nlE; N（N：自然数）的超声波的强度; 气体/液体确定单元，被配置为基于检测到的超声波的强度来确定内表面中的哪一个反射点与气体接触的气体; 以及水平确定单元，其被配置为基于由多个位置处的超声波传感器分别导出的气体/液体确定结果来确定液体的液面。

7. 发明申请

US20140298903A1 WATER-LEVEL AND TEMPERATURE MEASUREMENT APPARATUS 审中-公开
标题翻译：水位和温度测量装置
公开(公告)号：US20140298903A1
公开(公告)日：2014-10-09
申请号：US14358149
申请日：2012-10-26
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Yasushi Goto , Yuka Takada , Fujio Shiraishi , Koichiro Isoda , Toshiaki Ito
IPC分类号： G01F23/24 , G01K13/00
CPC分类号： G01F23/246 , G01F22/00 , G01F23/22 , G01K1/026 , G01K7/04 , G01K13/00 , G01K15/007 , G21C17/035 , G21C17/112 , G21C19/07
摘要： The water-level and temperature measurement apparatus 10 includes monitoring devices 121, - - - , 12n that receives n water-level information and n temperature information, measures n water-levels and n temperatures, and determines whether a water-level detection function and a temperature detection function in each channel are lost or not based on electrical physical quantities, by using water-level and temperature detection devices 111, 112, 113, 114 which includes a detection unit 20 to detect water-level information and temperature information from thermocouple and heater wire, and a calculation processing device 13 that obtains at least one water-level measurement result and at least one temperature measurement result by using n water-level measurement results, n temperature measurement results, water-level detection function loss determination result in each channel, and temperature detection function loss determination result in each channel.
摘要翻译：水位和温度测量装置10包括监测装置121，...，12n，其接收n个水位信息和n个温度信息，测量n个水位和n个温度，并且确定水位检测功能和通过使用包括检测单元20的水位和温度检测装置111,112,113,114，基于电气物理量，每个通道中的温度检测功能会丢失或不失去，以检测来自热电偶的水位信息和温度信息和加热线，以及计算处理装置13，其通过使用n个水位测量结果，n个温度测量结果，水位检测功能损失确定结果来获得至少一个水位测量结果和至少一个温度测量结果每个通道和每个通道的温度检测功能损失确定结果。

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