专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20140085132A1 RADAR LEVEL GAUGING USING FREQUENCY MODULATED PULSED WAVE 有权
标题翻译：使用频率调制脉冲波的雷达电平测量
公开(公告)号：US20140085132A1
公开(公告)日：2014-03-27
申请号：US13976567
申请日：2011-12-29
申请人： Anders Jirskog , Olov Edvardsson , Jan Westerling
发明人： Anders Jirskog , Olov Edvardsson , Jan Westerling
IPC分类号： G01F23/284
CPC分类号： G01F23/284 , G01S13/26 , G01S13/88
摘要： A method for measurement of a distance to a surface of a product kept in a tank method comprises transmitting a pulse train of distinct carrier wave pulses having a duration greater than 1 microsecond and shorter than 100 milliseconds, the pulse train has an average duty cycle of less than 50 percent, each pulse has a defined center frequency, selected according to a frequency scheme within a predetermined frequency range, greater than 5% of an average center frequency. The method further comprises correlating actual phase properties of received pulses with expected phase properties to provide an updated estimation of the distance.The present invention is based on transmitting a set of carrier wave pulses, each having a distinct frequency selected within a frequency range. The method is therefore referred to as a Frequency Modulated Pulsed Wave (FMPW).
摘要翻译：用于测量到保持在罐方法中的产品的表面的距离的方法包括传输具有大于1微秒且小于100毫秒的持续时间的不同载波脉冲的脉冲串，脉冲串的平均占空比为小于50％，每个脉冲具有定义的中心频率，其根据在预定频率范围内的频率方案选择，大于平均中心频率的5％。该方法还包括将接收到的脉冲的实际相位特性与期望的相位特性相关联以提供距离的更新估计。本发明基于传输一组载波波形，每组载波波形在频率范围内具有选择的不同频率。因此，该方法被称为频率调制脉冲波（FMPW）。

2. 发明授权

US07895889B2 Radar level gauge system with adaptive transmission power control 有权
标题翻译：具有自适应发射功率控制的雷达液位计系统
公开(公告)号：US07895889B2
公开(公告)日：2011-03-01
申请号：US11807984
申请日：2007-05-31
申请人： Anders Jirskog
发明人： Anders Jirskog
IPC分类号： G01F23/28
CPC分类号： G01F23/284
摘要： A radar level gauge system, for determining a filling level of a product contained in a tank, the radar level gauge system comprising a transceiver including a signal generator for generating electromagnetic signals for transmission; a transmitter branch for transmitting the electromagnetic signals; and a receiver branch for receiving electromagnetic signals. The radar level gauge system further comprises a propagation device for allowing transmitted electromagnetic signals to propagate towards a surface of the product inside the tank, where signals are reflected, and for returning reflected electromagnetic signals back from the surface of the product; processing circuitry connected to the transceiver and configured to determine the filling level based on the reflected electromagnetic signals; power sensing circuitry connected to the transceiver and configured to determine a received power level of received electromagnetic signals; and power level adjusting circuitry provided on the transmitter branch of the transceiver, connected to the power determination circuitry, and configured to adjust a transmitted power level of the transmitted electromagnetic signals in response to the determined received power level of the reflected electromagnetic signals.
摘要翻译：一种雷达液位计系统，用于确定容纳在容器中的产品的填充水平，所述雷达液位计系统包括收发器，所述收发器包括用于产生用于传输的电磁信号的信号发生器; 用于发送电磁信号的发射机分支; 以及用于接收电磁信号的接收器分支。雷达液位计系统还包括传播装置，用于允许传输的电磁信号朝向罐内的产品的表面传播，其中信号被反射，并且用于将反射的电磁信号从产品的表面返回; 连接到所述收发器并且被配置为基于所反射的电磁信号来确定所述填充水平的处理电路; 功率感测电路，连接到所述收发器并且被配置为确定接收到的电磁信号的接收功率电平; 以及功率电平调整电路，其设置在所述收发器的所述发射机分支上，连接到所述功率确定电路，并且被配置为响应于所确定的反射的电磁信号的接收功率电平来调整所发射的电磁信号的发射功率电平。

3. 发明授权

US07265558B1 Radar level gauge using elliptically or circularly polarized waves 有权
标题翻译：使用椭圆或圆偏振波的雷达液位计
公开(公告)号：US07265558B1
公开(公告)日：2007-09-04
申请号：US11543451
申请日：2006-10-05
申请人： Niklas Penndal , Anders Jirskog , Olov Edvardsson
发明人： Niklas Penndal , Anders Jirskog , Olov Edvardsson
IPC分类号： G01R27/04
CPC分类号： G01F23/284
摘要： A radar level gauge (RLG) is provided for determining a filling level of a filling material contained in a container by transmitting and receiving elliptically or circularly polarized waves. The RLG comprises: a feeding circuitry for feeding and receiving two essentially orthogonal elliptically polarized waveguide modes, one of the modes for transmission and another mode for reception; an antenna for transmitting the waveguide modes towards the filling material and for receiving reflected signals; and a waveguide to provide signals between said feeding circuitry and the antenna. Further, the feeding circuitry comprises: a microwave generating unit (TX); a microwave receiving unit (RX); at least three feeding probes being at least partly exposed to the interior of the waveguide; and a coupling circuitry for transferring and feeding signals between each feeding probe and the microwave generating unit and/or the microwave receiving unit. At least the coupling circuitry and the feeding probes are implemented on a common printed circuit board (PCB), and the printed circuit board is arranged transversely over the waveguide.
摘要翻译：提供雷达液位计（RLG），用于通过发送和接收椭圆或圆偏振波来确定容纳在容器中的填充材料的填充水平。 RLG包括：馈送电路，用于馈送和接收两个基本上正交的椭圆偏振波导模式，其中一种传输模式和另一种接收模式; 用于将波导模式朝向填充材料传输并用于接收反射信号的天线; 以及在所述馈电电路和天线之间提供信号的波导。此外，馈电电路包括：微波发生单元（TX）; 微波接收单元（RX）; 至少三个进料探针至少部分地暴露于波导的内部; 以及用于在每个馈送探针与微波产生单元和/或微波接收单元之间传送和馈送信号的耦合电路。至少耦合电路和馈电探针实现在公共印刷电路板（PCB）上，并且印刷电路板横向布置在波导上。

4. 发明授权

US06950055B2 Method and an apparatus for insulation of a radar level gauge 有权
标题翻译：一种用于雷达液位计绝缘的方法和装置
公开(公告)号：US06950055B2
公开(公告)日：2005-09-27
申请号：US10687975
申请日：2003-10-20
申请人： Kurt Olov Edvardsson , Anders Jirskog , Magnus Ohlsson
发明人： Kurt Olov Edvardsson , Anders Jirskog , Magnus Ohlsson
IPC分类号： G01F23/284 , G01S13/08
CPC分类号： G01F23/284
摘要： There is provided a radar level gauge using microwaves for measuring a level of a surface of a product in a tank, comprising an antenna for transmitting microwaves to the surface and receiving microwaves reflected by the surface, a measurement circuitry feeding said antenna through a hollow wave guide and said wave guide including at least an antenna wave guide member, at one end couplable to the antenna and at its other end having an opening in an intersection across the wave guide, wherein the radar level gauge further comprises: a dielectric barrier extending along said intersection across the opening of said antenna wave guide member for non-conductively separating said antenna wave guide member from the measurement circuitry, said dielectric barrier having a first side facing the wave guide in a direction towards the antenna wave guide member and said dielectric barrier having a second side facing a direction substantially away from said antenna wave guide member.
摘要翻译：提供了一种使用微波测量罐中产品表面水平的雷达液位计，包括用于将微波传输到表面并接收由表面反射的微波的天线，测量电路通过中空波馈送所述天线引导件和所述波导包括至少一个天线波导构件，其一端可耦合到天线，并且在另一端具有穿过波导管的相交处的开口，其中雷达液位计还包括：沿着所述交叉点穿过所述天线波导构件的开口，用于非导电地将所述天线波导构件与测量电路分离，所述介质阻挡层具有朝向天线波导构件和所述介质阻挡层的方向面向波导管的第一侧面具有面向远离所述天线波导构件的方向的第二侧。

5. 发明授权

US07924217B2 High sensitivity frequency modulated radar level gauge system 有权
标题翻译：高灵敏度调频雷达液位计系统
公开(公告)号：US07924217B2
公开(公告)日：2011-04-12
申请号：US12132114
申请日：2008-06-03
申请人： Anders Jirskog
发明人： Anders Jirskog
IPC分类号： G01S13/08 , G01S13/32 , G01F23/00 , G01S13/00
CPC分类号： G01F23/284 , G01S7/038 , G01S13/34
摘要： A radar level gauge system for determining a filling level of a product contained in a tank, comprising: a transceiver for generating, transmitting and receiving frequency-modulated electromagnetic signals; a transmitting propagating device electrically connected to the transceiver and arranged to propagate transmitted electromagnetic signals towards a surface of the product contained in the tank; and a receiving propagating device electrically connected to the transceiver and arranged to return echo signals resulting from reflections at impedance transitions encountered by the transmitted electromagnetic signals, including a surface echo signal resulting from reflection at the surface, back to the transceiver.
摘要翻译：一种用于确定容纳在容器中的产品的填充水平的雷达液位计系统，包括：用于产生，发射和接收频率调制的电磁信号的收发器; 电传输传输装置，电连接到所述收发器并被布置成将所传输的电磁信号传播到容纳在所述容器中的产品的表面; 以及接收传播装置，其电连接到所述收发器并且被布置成返回由所发射的电磁信号遇到的阻抗转变处的反射产生的回波信号，包括由所述表面处的反射产生的表面回波信号返回到所述收发器。

6. 发明授权

US07589664B2 Circuit for multifrequency band radar level gauge 有权
标题翻译：多频雷达液位计电路
公开(公告)号：US07589664B2
公开(公告)日：2009-09-15
申请号：US10518889
申请日：2003-07-08
申请人： Anders Jirskog
发明人： Anders Jirskog
IPC分类号： G01S13/08 , G01F23/284
CPC分类号： H01Q1/225 , G01F23/284 , G01S13/34 , G01S13/347 , G01S13/88 , H01Q1/22 , H01Q13/0275 , H01Q21/065
摘要： A circuit for a radar level gauge for measuring the level of the surface of a product stored in a container, wherein the gauge includes a radar for transmitting microwave signals from a multiband antenna unit towards the surface for receiving microwave signals reflected by the surface and for determining the level based on an evaluation of the time lapsed between the received and the transmitted signals and said radar operating on at least two different frequency bands. The circuit includes: a first microwave provision means for providing a microwave signal of a first frequency band having a first center frequency, a second microwave provision means for providing a microwave signal of a second frequency band having a second center frequency. The ratio between the second and the first center frequency is quantified as at least greater than 1.5:1 and preferably greater than 2:1. Switches are operated by means of a control signal for switching the circuit to operate on said first frequency band or said second frequency band.
摘要翻译：一种用于测量存储在容器中的产品的表面水平的雷达液位计的电路，其中该计量器包括用于从多频带天线单元朝向表面发送微波信号的雷达，用于接收由表面反射的微波信号，并且基于在接收到的和发送的信号之间经过的时间的评估以及在至少两个不同频带上操作的所述雷达来确定电平。该电路包括：第一微波提供装置，用于提供具有第一中心频率的第一频带的微波信号;第二微波提供装置，用于提供具有第二中心频率的第二频带的微波信号。第二和第一中心频率之间的比率被定量为至少大于1.5:1且优选大于2:1。开关通过用于切换电路以在所述第一频带或所述第二频带上操作的控制信号来操作。

7. 发明申请

US20080150789A1 Radar level gauge system 审中-公开
标题翻译：雷达液位计系统
公开(公告)号：US20080150789A1
公开(公告)日：2008-06-26
申请号：US11643311
申请日：2006-12-21
申请人： Anders Jirskog , Peter Dragen
发明人： Anders Jirskog , Peter Dragen
IPC分类号： G01S13/00
CPC分类号： G01F23/284
摘要： A radar level gauge system for determining a filling level of a filling material in a tank is disclosed. The system comprises: a wave guide arranged within the tank; a signaling unit arranged outside the tank, and comprising a transmitter for transmitting measuring signals towards the surface of the filling material in said wave guide and a receiver for receiving echo signals from the tank, wherein the transmitter is preferably arranged to provide measuring signals of a frequency below 3 GHz. Further, a coaxial cable for forwarding the measuring signals and the echo signals between the wave guide and the signaling unit is provided, wherein the coaxial cable is of a length which is at least as long as the height of the tank. By means of this radar level gauge system, it becomes relatively easy and inexpensive to replace mechanical level gauge systems, so-called “float and tape systems”.
摘要翻译：公开了一种用于确定罐中填充材料的填充水平的雷达液位计系统。该系统包括：布置在罐内的波导; 布置在储罐外部的信号单元，并且包括用于向所述波导中的填充材料的表面传送测量信号的发射器和用于从所述槽接收回波信号的接收器，其中所述发射器优选地布置成提供测量信号频率低于3 GHz。此外，提供了用于在波导和信令单元之间转发测量信号和回波信号的同轴电缆，其中同轴电缆的长度至少等于罐的高度。通过这种雷达液位计系统，更换机械液位计系统（所谓的“浮动和磁带系统”）变得相对容易和便宜。

8. 发明申请

US20060012512A1 Circuit for multifrequency band radar level gauge 有权
公开(公告)号：US20060012512A1
公开(公告)日：2006-01-19
申请号：US10518889
申请日：2003-07-08
申请人： Anders Jirskog
发明人： Anders Jirskog
IPC分类号： G01S13/08
CPC分类号： H01Q1/225 , G01F23/284 , G01S13/34 , G01S13/347 , G01S13/88 , H01Q1/22 , H01Q13/0275 , H01Q21/065
摘要： A circuit for a radar level gauge for measuring the level of the surface of a product stored in a container, wherein the gauge includes a radar for transmitting microwave signals from a multiband antenna unit towards the surface for receiving microwave signals reflected by the surface and for determining the level based on an evaluation of the time lapsed between the received and the transmitted signals and said radar operating on at least two different frequency bands. The circuit includes: a first microwave provision means for providing a microwave signal of a first frequency band having a first center frequency, a second microwave provision means for providing a microwave signal of a second frequency band having a second center frequency. The ratio between the second and the first center frequency is quantified as at least greater than 1.5:1 and preferably greater than 2:1. Switches are operated by means of a control signal for switching the circuit to operate on said first frequency band or said second frequency band.

9. 发明申请

US20050083229A1 Method and an apparatus for insulation of a radar level gauge 有权
标题翻译：一种用于雷达液位计绝缘的方法和装置
公开(公告)号：US20050083229A1
公开(公告)日：2005-04-21
申请号：US10687975
申请日：2003-10-20
申请人： Kurt Edvardsson , Anders Jirskog , Magnus Ohlsson
发明人： Kurt Edvardsson , Anders Jirskog , Magnus Ohlsson
IPC分类号： G01F23/284 , G01S13/08
CPC分类号： G01F23/284
摘要： There is provided a radar level gauge using microwaves for measuring a level of a surface of a product in a tank, comprising an antenna for transmitting microwaves to the surface and receiving microwaves reflected by the surface, a measurement circuitry feeding said antenna through a hollow wave guide and said wave guide including at least an antenna wave guide member, at one end couplable to the antenna and at its other end having an opening in an intersection across the wave guide, wherein the radar level gauge further comprising: a dielectric barrier extending along said intersection across the opening of said antenna wave guide member for non-conductively separating said antenna wave guide member from the measurement circuitry, said dielectric barrier having a first side facing the wave guide in a direction towards the antenna wave guide member and said dielectric barrier having a second side facing a direction substantially away from said antenna wave guide member.
摘要翻译：提供了一种使用微波测量罐中产品表面水平的雷达液位计，包括用于将微波传输到表面并接收由表面反射的微波的天线，测量电路通过中空波馈送所述天线引导和所述波导包括至少一个天线波导构件，其一端可耦合到所述天线，并且在其另一端具有穿过波导管的相交处的开口，其中所述雷达液位计进一步包括：沿着所述交叉点穿过所述天线波导构件的开口，用于非导电地将所述天线波导构件与测量电路分离，所述介质阻挡层具有朝向天线波导构件和所述介质阻挡层的方向面向波导管的第一侧面具有面向远离所述天线波导构件的方向的第二侧。

10. 发明授权

US08872694B2 Radar level gauging using frequency modulated pulsed wave 有权
标题翻译：雷达电平测量采用调频脉冲波
公开(公告)号：US08872694B2
公开(公告)日：2014-10-28
申请号：US12981995
申请日：2010-12-30
申请人： Olov Edvardsson , Anders Jirskog
发明人： Olov Edvardsson , Anders Jirskog
IPC分类号： G01S13/08 , G01S13/88 , H01Q1/22 , G01F23/284 , G01S13/26
CPC分类号： G01S13/88 , G01F23/284 , G01S13/26 , H01Q1/225
摘要： A method for measurement of a distance to a surface of a product kept in a tank method comprises transmitting a pulse train of distinct carrier wave pulses having a duration greater than 1 microsecond and shorter than 100 milliseconds, the pulse train has an average duty cycle of less than 50 percent, each pulse has a defined center frequency, selected according to a frequency scheme within a predetermined frequency range, greater than 5% of an average center frequency. The method further comprises correlating actual phase properties of received pulses with expected phase properties to provide an updated estimation of the distance.The present invention is based on transmitting a set of carrier wave pulses, each having a distinct frequency selected within a frequency range. The method is therefore referred to as a Frequency Modulated Pulsed Wave (FMPW).
摘要翻译：用于测量到保持在罐方法中的产品的表面的距离的方法包括传输具有大于1微秒且小于100毫秒的持续时间的不同载波脉冲的脉冲串，脉冲串的平均占空比为小于50％，每个脉冲具有定义的中心频率，其根据在预定频率范围内的频率方案选择，大于平均中心频率的5％。该方法还包括将接收到的脉冲的实际相位特性与期望的相位特性相关联以提供距离的更新估计。本发明基于传输一组载波波形，每组载波波形在频率范围内具有选择的不同频率。因此，该方法被称为频率调制脉冲波（FMPW）。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式