公开(公告)号：EP2639560B1

公开(公告)日：2019-03-06

申请号：EP11840044.9

申请日：2011-11-02

申请人： Panasonic Corporation

发明人： FUJII, Yuji ,  OZAKI, Yukinori ,  SATOU, Masato ,  GOTOU, Hirokazu

IPC分类号： G01F1/66 ,  G01F15/18

公开(公告)号：EP1437920B1

公开(公告)日：2015-07-01

申请号：EP03705392.3

申请日：2003-02-21

申请人： Panasonic Corporation

发明人： HIROTA, Izuo ,  FUJITA, Atsushi ,  MIYAUCHI, Takahiro ,  FUJII, Yuji ,  KATAOKA, Akira ,  AIHARA, Katsuyuki ,  MAKIO, Nobuyoshi

IPC分类号： H05B6/12

CPC分类号： H05B6/1254 ,  H05B2206/022 ,  Y02B40/126

公开(公告)号：EP2653841A1

公开(公告)日：2013-10-23

申请号：EP11849578.7

申请日：2011-05-20

申请人： Panasonic Corporation

发明人： GOTOU, Hirokazu ,  NAKABAYASHI, Yuji ,  FUJII, Yuji ,  TAKEMURA, Kouichi ,  WATANABE, Aoi

IPC分类号： G01F3/22 ,  G01F15/075 ,  G01F25/00

CPC分类号： G01F3/22 ,  G01D18/00 ,  G01F15/0755 ,  G01F25/0007

摘要： A gas meter apparatus (1) of the present invention comprises a flow measuring device (5) which measures a gas flow; a measurement value calculating section (21) and a liquid crystal display section (2) which are configured to calculate an integrated value of the measured gas flow and electrically display the integrated value. Every time the measurement value calculating section (21) determines that the integrated value has reached 1 liter, it informs a light emission commanding section (22) of determination result. In response to this information, the light emission commanding section (22) causes a LED light emitting section (3) to emit light toward a sensor (7). Therefore, the gas meter apparatus (1) is able to conduct a test by a test method in which a change in the displayed integrated value of the gas flow can be known from reflected light of emitted light, even when the integrated value of the gas flow is displayed in a digital form.

摘要翻译： 本发明的燃气表装置（1）包括：测量气体流量的流量测量装置（5）; 测量值计算部分（21）和液晶显示部分（2），其被配置为计算所测量的气体流量的积分值并且电显示积分值。 每当测量值计算部（21）确定积分值达到1升时，通知发光指示部（22）判定结果。 响应于该信息，发光指令部（22）使LED发光部（3）朝向传感器（7）发光。 因此，燃气表装置（1）能够通过试验方法进行试验，即使在发出的光的反射光中可以知道所显示的气体流量积分值的变化，即使气体的积分值 流量以数字形式显示。

公开(公告)号：EP2581716A1

公开(公告)日：2013-04-17

申请号：EP11792174.2

申请日：2011-06-10

申请人： Panasonic Corporation

发明人： GOTOU, Hirokazu ,  NAKABAYASHI, Yuji ,  FUJII, Yuji ,  WATANABE, Aoi

IPC分类号： G01F1/66

CPC分类号： G01F1/667 ,  G01F1/668 ,  G01F15/022

摘要： In a flow meter device of the present invention, a control means (7) causes a temperature measuring means (8) to singly measure a temperature of a fluid. A flow compensation means (6) calculates a temperature of a fluid from a propagation time and makes compensation for the flow rate using the temperature calculated based on the propagation time in a state in which the temperature is not measured by the temperature measuring means (8). Thus, when compensation is made for the measured flow rate to derive a flow rate at a desired temperature, flow rate compensation can be implemented with high accuracy, versatility of a target fluid can be improved, and low electric power consumption can be achieved.

摘要翻译： 在本发明的流量计装置中，控制装置（7）使温度测量装置（8）单独测量流体的温度。 流量补偿装置（6）根据传播时间来计算流体的温度，并且在温度测量装置（8）未测量温度的状态下利用基于传播时间计算的温度来对流量进行补偿 ）。 因此，在对所测定的流量进行补偿而导出所希望的温度下的流量时，能够高精度地进行流量补偿，所以能够提高目标流体的通用性，并且能够实现低消耗电力。

公开(公告)号：EP2515089A1

公开(公告)日：2012-10-24

申请号：EP10837280.6

申请日：2010-12-14

申请人： Panasonic Corporation

发明人： GOTOU, Hirokazu ,  WATANABE, Aoi ,  FUJII, Yuji ,  TAKEMURA, Kouichi ,  NAKABAYASHI, Yuji

IPC分类号： G01F1/66

CPC分类号： G01F1/66

摘要： When a flow rate is equal to or more than a reference flow rate, a reference voltage is changed to a level capable of measuring stably to thereby realize the improvement of measurement accuracy at the time of a large amount of flow rate.
A flow rate determination means 14 compares a flow rate calculated by a flow rate calculation means 11 with the reference flow rate. When the calculated flow rate is larger than the reference flow rate, the reference voltage set by a reference voltage setting means 13 is changed, whereby the zero cross point can be detected stably at the portion where the degree of the influence of the change in the amplitude of the received signal is small. Thus, it is possible to provide a flow rate measuring device capable of measuring a flow rate stably with high accuracy even when a fluid flow is disturbed due to a large amount of flow rate.

摘要翻译： 当流量等于或大于参考流量时，参考电压被改变为能够稳定测量的水平，由此实现在大流量时的测量精度的提高。 流量确定装置14将由流量计算装置11计算的流量与参考流量进行比较。 在计算出的流量比基准流量大的情况下，由基准电压设定单元13设定的基准电压发生变化，能够稳定地检测零交叉点， 接收信号的幅度很小。 因此，即使在流量大的情况下流体流动受到干扰的情况下，也能够提供能够以高精度稳定地测量流量的流量测量装置。

公开(公告)号：EP2800455B1

公开(公告)日：2016-11-23

申请号：EP12863665.1

申请日：2012-09-07

申请人： Panasonic Corporation

发明人： TAKEHIRA, Takashi ,  FUJII, Yuji ,  SAWADA, Daisuke

IPC分类号： H05B6/06

CPC分类号： H05B6/065

公开(公告)号：EP2790466A1

公开(公告)日：2014-10-15

申请号：EP12855730.3

申请日：2012-09-07

申请人： Panasonic Corporation

发明人： SAWADA, Daisuke ,  FUJII, Yuji

IPC分类号： H05B6/12

CPC分类号： H05B6/065 ,  H02M5/458 ,  Y02B70/145

摘要： An induction heating device includes: a rectifying circuit (2) that rectifies an AC power supply; a smoothing capacitor (3) that smooths the rectified output to obtain a DC power supply; a first and a second inverters (11a and 11b) each composed of a heating coil (4a and 4b), a resonance capacitor (5a and 5b), and a switching element (6a, 6b, 6c, and 6d), and connected to the smoothing capacitor (3) in parallel; a first and a second oscillating circuits (7a and 7b) that supply drive signals to the switching elements (6a, 6b, 6c, and 6d); and a controller (10) that controls drive of the first and second oscillating circuits (7a and 7b). The controller (10) alternately drives the first and second oscillating circuits (7a and 7b), and controls a drive time ratio of the first and second oscillating circuits (7a and 7b) so that a power change amount generated every time the drive is switched between the first and second oscillating circuits (7a and 7b) is not more than a predetermined amount.

摘要翻译： 感应加热装置包括：对交流电源进行整流的整流电路（2） 平滑电容器（3），平滑整流输出以获得直流电源; 分别由加热线圈（4a和4b），谐振电容器（5a和5b）以及开关元件（6a，6b，6c和6d）组成的第一和第二反相器（11a和11b） 平滑电容器（3）并联; 向开关元件（6a，6b，6c和6d）提供驱动信号的第一和第二振荡电路（7a和7b）; 和控制第一和第二振荡电路（7a和7b）的驱动的控制器（10）。 控制器（10）交替地驱动第一和第二振荡电路（7a和7b），并且控制第一和第二振荡电路（7a和7b）的驱动时间比率，使得每次切换驱动时产生的功率改变量 在第一和第二振荡电路（7a和7b）之间的频率不大于预定值。

公开(公告)号：EP2696174A1

公开(公告)日：2014-02-12

申请号：EP12767854.8

申请日：2012-04-04

申请人： Panasonic Corporation

发明人： MIYATA, Hajime ,  NAKANO, Makoto ,  FUJII, Yuji ,  OZAKI, Yukinori

IPC分类号： G01F1/66

CPC分类号： G01F1/66 ,  G01F1/662 ,  G01F15/14

摘要： An ultrasonic flow rate measurement device includes a measurement channel, through which a fluid to be measured flows; and a sensor fixing casing (7) having openings formed in the measurement channel and sensor fixing cavities (10, 11) communicating with the openings. Moreover, the ultrasonic flow rate measurement device includes a pair of ultrasonic sensors contained in the sensor fixing cavities (10, 11), for measuring the flow rate of the fluid to be measured; and a flow rate measuring unit for detecting the flow rate based on an ultrasonic wave propagation time between the pair of ultrasonic sensors. Furthermore, the ultrasonic flow rate measurement device includes a suppressing member (20) formed at each of the openings, for suppressing the fluid to be measured from intruding into each of the sensor fixing cavities (10, 11), wherein the suppressing member (20) is molded integrally with the sensor fixing casing (7).

摘要翻译： 超声波流量测量装置包括测量通道，待测流体流过该测量通道; 以及具有形成在测量通道中的开口的传感器固定壳体（7）和与开口连通的传感器固定腔（10,11）。 此外，超声波流量测量装置包括一对容纳在传感器固定腔（10,11）中的超声波传感器，用于测量待测流体的流量; 以及流量测量单元，用于基于所述一对超声波传感器之间的超声波传播时间来检测流量。 此外，超声波流量测量装置包括形成在每个开口处的抑制构件（20），用于抑制待测流体侵入每个传感器固定腔（10,11），其中抑制构件（20 ）与传感器固定壳体（7）一体成型。

公开(公告)号：EP2639559A1

公开(公告)日：2013-09-18

申请号：EP11839875.9

申请日：2011-11-07

申请人： Panasonic Corporation

发明人： OZAKI, Yukinori ,  FUJII, Yuji ,  SATOU, Masato ,  GOTOU, Hirokazu ,  WATANABE, Aoi

IPC分类号： G01F1/66

CPC分类号： G01F1/662 ,  G01F1/66 ,  G01F1/667

摘要： An ultrasonic flow rate measuring device includes a flow path, a partition plate that is inserted from an aperture to partition the flow path into plural sections, an ultrasound transmission body, plural ultrasonic transducers that are provided in 5positions facing a bottom plate such that an ultrasonic wave transmitted from one of the ultrasonic transducers through the ultrasound transmission body is reflected by the bottom plate and received by the other ultrasonic transducer, a measurement circuit that measures an ultrasonic propagation time between the plurality of the ultrasonic transducers; and a calculation circuit that obtains a flow rate of the target fluid based on 10a signal from the measurement circuit.

摘要翻译： 本发明提供一种超声波流量测量装置，其特征在于，具备：流路;从开口部插入并将流路分隔为多个区域的分隔板;超声波发送体;多个超声波换能器，其以面对底板的方式设置5个， 从所述超声波振子中的一个超声波振子通过所述超声波透过体传播的波由所述底板反射，被另一个超声波振子接收;测量电路，测量所述多个超声波振子之间的超声波传播时间; 以及计算电路，其基于来自测量电路的10a信号来获得目标流体的流量。

公开(公告)号：EP2597432A1

公开(公告)日：2013-05-29

申请号：EP11809448.1

申请日：2011-07-20

申请人： Panasonic Corporation

发明人： OZAKI, Yukinori ,  FUJII, Yuji ,  MIYATA, Hajime ,  NAKANO, Makoto

IPC分类号： G01F1/66

CPC分类号： G01F1/66 ,  G01F1/662

摘要： Ultrasonic transducers (6) and (7) are attached in a direction of compressing O-ring (23) provided in a housing with flow passage. Biasing means (24) makes contact with and presses these ultrasonic transducers (6) and (7) at multiple points. Screw (25) is provided for locking this pressing means (24) to the housing. This enables the use of O-ring (23) as a sealing means. Accordingly, an in-expensive ultrasonic flowmeter that facilitates signal processing by reducing propagation of vibration of the ultrasonic transducer to the housing can be achieved.

摘要翻译： 超声波换能器（6）和（7）沿着设置在具有流动通道的壳体中的O形环（23）的压缩方向附接。 偏移装置（24）在多个点处与这些超声换能器（6）和（7）接触并按压。 提供螺钉（25）用于将该按压装置（24）锁定到壳体。 这使得能够使用O形环（23）作为密封装置。 因此，可以实现通过将超声波换能器的振动传播到壳体来促进信号处理的昂贵的超声波流量计。