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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

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。

3. 发明申请

US20140270037A1 REACTOR WATER LEVEL MEASUREMENT SYSTEM 审中-公开
标题翻译：反应器水位测量系统
公开(公告)号：US20140270037A1
公开(公告)日：2014-09-18
申请号：US14359197
申请日：2012-11-14
申请人： Kabushiki Kaisha Toshiba
发明人： Yuka Matsuo , Fujio Shiraishi , Yasushi Goto , Toshiaki Ito
IPC分类号： G21C17/035
CPC分类号： G21C17/035 , G01F23/18 , G01F23/2885
摘要： A reactor water level measurement system including: a condensation tank connected with a steam region of a pressure vessel; a reference pipe with one end connected with the condensation tank; fluctuation pipes with one end connected with the pressure vessel; pressure difference measurement type water gauges that detect the water head difference of the reference pipe and the fluctuation pipes and that are connected with the other ends of the reference pipe and the fluctuation pipes; non-pressure difference water gauges that detect the water level of the pressure vessel; and a computation device that selects a pressure difference type water gauge or a non-pressure difference type water gauge, in accordance with a condition of the containment vessel or of the pressure vessel and that indicates/records the water level of the pressure vessel based on the detection result of the selected water gauge.
摘要翻译：一种反应堆水位测量系统，包括：与压力容器的蒸汽区域连接的冷凝罐; 一端与冷凝罐相连的参考管; 波纹管一端与压力容器连接; 压力差测量型水表，用于检测参考管和波动管的水头差异，并与参考管和波动管的另一端相连; 检测压力容器水位的非压差水表; 以及计算装置，其根据所述容纳容器或所述压力容器的状态选择压差型水表或非压差型水表，并且基于所述压力容器的水位来指示/记录基于所选水位计的检测结果。

4. 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。

5. 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。

6. 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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