公开(公告)号：US20220163359A1

公开(公告)日：2022-05-26

申请号：US17434806

申请日：2020-02-27

Applicant: Kamstrup A/S

Inventor： Kasper HEMME ,  Mads Erik Lund JENSEN ,  Allan JENSEN

IPC: G01F1/66 ,  G01K7/18 ,  G01K13/02

Abstract: Utility meter for measuring thermal energy delivered to a point of consumption by a fluid supplied via a supply flow and a return flow, including a flow meter unit for measuring a supply flow rate or return flow rate of the fluid; a pair of temperature sensing probes for measuring temperatures of the supply flow and the return flow, each of the temperature sensing probes including a resistive temperature device; and a calculator device configured for executing a measuring algorithm for determining an amount of thermal energy delivered to the point of consumption over le a period of time based on flow rates and temperatures received from the flow meter unit and temperature sensing probes, respectively; wherein the calculator device is configured to detect the type of resistive temperature device included in the temperature sensing probes and to adapt the measuring algorithm according to the type of resistive temperature device.

公开(公告)号：US20220136880A1

公开(公告)日：2022-05-05

申请号：US17257605

申请日：2019-07-03

Applicant: Kamstrup A/S

Inventor： Lasse PILEGAARD ,  Kaspar Raahede AARØE ,  Kenneth Hoe BAUNSGAARD

IPC: G01F1/66

Abstract: A modular ultrasonic flow meter including a substantially watertight meter housing connected; a measurement printed circuit board including a measurement circuit communicating with one or more ultrasonic transducers, arranged in the meter housing for transmitting and receiving ultrasonic signals; and a self-contained power supply. The ultrasonic flow meter further includes a control module comprising a module housing connected with a main printed circuit board including a central processing unit, a memory circuit and a communication circuit, and a power- and communication connection is provided between the main printed circuit board of the control module and the measurement printed circuit board whereby the self-contained power supply may power the main printed circuit board and the measurement printed circuit board.

公开(公告)号：US20190033261A1

公开(公告)日：2019-01-31

申请号：US15741567

申请日：2016-07-04

Applicant: Kamstrup A/S

Inventor： Søren Tønnes Nielsen ,  Peter Schmidt Laursen ,  Jens Lykke Sørensen ,  René Gajda Kristensen ,  Martin Christian Høj Petersen

IPC: G01N29/032 ,  G01D4/00 ,  G01F1/66 ,  G01M3/24 ,  G01M3/28

Abstract: A consumption meter, e.g. a water or heat meter, for measuring a flow rate of a fluid supplied in a flow tube. First and second ultrasonic transducers are arranged at the flow tube for transmitting and receiving ultrasonic signals transmitted through the fluid and operated by a flow measurement sub-circuit for generating a signal indicative of the flow rate of the fluid. A noise measurement sub-circuit operates a sensor arranged at the flow tube for detection of acoustic signals of the flow tube, and being arranged to generate a signal indicative of a noise level of the flow tube accordingly. This sensor may comprise a separate transducer, or the sensor may be constituted by one or both of the first and second ultrasonic transducers. The consumption meter may communicate data representative of the noise level via a communication module along with data consumed amount of water, heat etc. Such consumer noise level measurement at the consumer site allows collection of noise level data to assist in locating fluid leakages in a fluid supply pipe system.

公开(公告)号：USRE47048E1

公开(公告)日：2018-09-18

申请号：US14957402

申请日：2015-12-02

Applicant: Kamstrup A/S

Inventor： Anders Skallebæk ,  Peter Schmidt Laursen ,  Søren Tønnes Nielsen

IPC: G01F1/20 ,  G01F1/66

Abstract: An ultrasound flow meter unit arranged to measure a fluid flow rate with one or more ultrasound transducers (606), and a circuit board (602) with an electronic circuit arranged to operate the ultrasound transducer(s) (106, 306). The ultrasound transducer (606), e.g. in the form of a piezo-electric element, is mechanically fixed to the circuit board (602) by a first electrically conducting fixing means which additionally serve(s) to provide an electrical connection between an electrical terminal of the transducer (606) and the electronic circuit. Hereby a functional flow measurement unit (600) is provided which can be tested prior to assembly with a flow meter housing etc. Preferably, a set of ultrasound transducers (106, 306) are soldered directly onto electrically conducting paths (631) on a surface of the circuit board (602) being in electrical connection with the electronic circuit, e.g. in a single SMT mounting process together with mounting of all other electronic components on the circuit board (602). Through-going openings (630, 640) of the circuit board (602) in the vicinity of these conducting paths (631) serve to provide thermal elasticity. A metal clip soldered to the circuit board (602) may serve to electrically connect a second electrical terminal of the transducer (606) to the electronic circuit.

公开(公告)号：US20160285588A1

公开(公告)日：2016-09-29

申请号：US15037519

申请日：2015-11-21

Applicant: KAMSTRUP A/S

Inventor： Flemming HALD ,  Rene Rørbye PEDERSEN ,  Johnny Dørken CHRISTIANSEN ,  Rasmus Melchior JACOBSEN

IPC: H04L1/00 ,  G06Q50/06 ,  G08C17/02

CPC classification number: H04L1/0041 ,  G06Q50/06 ,  G08C17/02 ,  H04L1/0002 ,  H04L1/0033 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0084 ,  H04Q9/00 ,  H04Q2209/50 ,  H04Q2209/60

Abstract: The present invention relates to a device and a system for transmitting data messages which can be received by different types of receivers. A device and system are disclosed where data transmissions are based on data messages (2) comprising two parts, a first part (20) being encoded in accordance with a communication protocol, such as the wireless MBus protocol, and a second part (21) which comprises error-correcting information for enabling a receiver device to correct errors in the data message (2), such as parity information related to turbo coding. The first part (20) forms an independent sub data message which can be received independently of the content of the second part (21). The sub data message can be received as is within a first communication range (6), and the entire data message can by virtue of the error correction information, and subsequent error correction, be received within a second longer communication range (7).

Abstract translation: 本发明涉及用于发送可由不同类型的接收机接收的数据消息的装置和系统。 公开了一种设备和系统，其中数据传输基于包括两部分的数据消息（2），第一部分（20）根据诸如无线MBus协议的通信协议进行编码，第二部分（21） 其包括用于使接收机设备能够校正数据消息（2）中的错误的纠错信息，诸如与turbo编码相关的奇偶校验信息。 第一部分（20）形成独立的子数据消息，该消息可独立于第二部分（21）的内容被接收。 可以在第一通信范围（6）内接收子数据消息，并且可以在第二较长的通信范围（7）内接收整个数据消息，借助于纠错信息和随后的纠错。

公开(公告)号：US20140318268A1

公开(公告)日：2014-10-30

申请号：US14361269

申请日：2012-11-30

Applicant: Kamstrup A/S

Inventor： Jens Lykke Sørensen ,  Paul Martin Bendixen

IPC: G01F1/66

CPC classification number: G01F1/66 ,  G01F1/662 ,  G01F1/667 ,  G01P5/245 ,  G06F17/40 ,  G06F19/00

Abstract: The invention relates to a method of operating an ultrasonic flow meter by digitally sampling received signals. Acoustic wave packets are transmitted through a measuring distance in opposite directions, and the received signals are digitized at a sampling frequency being below the Nyquist-limit of two times the signal frequency of the wave packet to generate digitized under-sampled signals 31. From the digitized under-sampled signals, the difference in propagation time along the measuring distance is determined.

Abstract translation: 本发明涉及一种通过数字采样接收信号来操作超声波流量计的方法。 声波分组在相反方向上通过测量距离传输，并且接收信号以低于波分组的信号频率的两倍的奈奎斯特极限的采样频率被数字化，以产生数字化的欠采样信号31.从 数字化欠采样信号，确定沿测量距离的传播时间差。

公开(公告)号：US12041566B2

公开(公告)日：2024-07-16

申请号：US17543641

申请日：2021-12-06

Applicant: Kamstrup A/S

Inventor： Jonas Drammestrup Poulsen ,  Kristian Stobbe

IPC: H04W24/10 ,  H04J3/06 ,  H04L43/0864 ,  H04W56/00 ,  H04W84/12

CPC classification number: H04W56/0015 ,  H04J3/0638 ,  H04L43/0864 ,  H04W24/10 ,  H04W84/12

Abstract: A stationary measuring device (7) measures or detects a value at a utility installation. The measuring device includes a low power wide area network (LPWAN) communication module configured to establish a wireless communication connection to a LPWAN for communicating data to a head-end-system (HES) (3) via the LPWAN. The LPWAN communication module is configured to: send a request for a first clock time from the measuring device to a time server; receive the first clock time from the time server in response to the request; receive a second clock time from a base station of the LPWAN; compare the first clock time and the second clock time with each other; and determine a current clock time based on the second clock time if the second clock time lies within a pre-determined range about the first clock time.

公开(公告)号：US20220214202A1

公开(公告)日：2022-07-07

申请号：US17607453

申请日：2020-05-01

Applicant: Kamstrup A/S

Inventor： Peter Schmidt LAURSEN ,  Mads ANDERSEN

IPC: G01F15/14 ,  G01F1/66 ,  G01F15/18

Abstract: Flow meter for an ultrasonic flow meter, comprising a flow tube with a through-going opening for passage of a fluid between an inlet and an outlet, comprising: a flow pipe of a first material, such as metal, extending between the inlet and the outlet, a liner of a second material, such as a polymer-based material, extending along an inner surface of the flow pipe between the inlet and the outlet, a housing providing a compartment for transducers and metering electronics wherein the housing is connected to the liner, by being mounted on an interface being an integrated part of the liner.

公开(公告)号：US20220206173A1

公开(公告)日：2022-06-30

申请号：US17558029

申请日：2021-12-21

Applicant: Kamstrup A/S

Inventor： Maria del Carmen Santa-Cruz ROLDAN

IPC: G01V1/28 ,  G01V1/00 ,  G01V1/30

Abstract: A method detects seismic events, in particular detects foreshocks for earthquake prediction. The events are detected by a plurality of sensors, wherein at least a part of a water pipe network on which the sensors are arranged is used for detection. An ultrasonic water meter to be connected to a water pipe network and an ultrasonic water meter system connected to a water pipe network are provided to detect seismic events.

公开(公告)号：US20220182955A1

公开(公告)日：2022-06-09

申请号：US17543641

申请日：2021-12-06

Applicant: Kamstrup A/S

Inventor： Jonas Drammestrup POULSEN ,  Kristian STOBBE

IPC: H04W56/00 ,  H04J3/06 ,  H04L43/0864 ,  H04W24/10

Abstract: A stationary measuring device (7) measures or detects a value at a utility installation. The measuring device includes a low power wide area network (LPWAN) communication module configured to establish a wireless communication connection to a LPWAN for communicating data to a head-end-system (HES) (3) via the LPWAN. The LPWAN communication module is configured to: send a request for a first clock time from the measuring device to a time server; receive the first clock time from the time server in response to the request; receive a second clock time from a base station of the LPWAN; compare the first clock time and the second clock time with each other; and determine a current clock time based on the second clock time if the second clock time lies within a pre-determined range about the first clock time.