-
公开(公告)号:US20220074798A1
公开(公告)日:2022-03-10
申请号:US17530597
申请日:2021-11-19
Applicant: ABB Schweiz AG
Inventor: Andreas Decker , Joerg Gebhardt , Peter Ude , Juergen Horstkotte , Wilhelm Daake
Abstract: A method for testing a temperature measuring instrument is presented, where the instrument includes at least one sensor that changes its electrical resistance, and/or an electrical voltage that it produces, in response to being exposed to a change in temperature, and where the instrument is configured to be coupled to an object of interest. The method includes changing the temperature of at least one sensor by an amount that is detectable given the measurement resolution of the at least one sensor, by driving an electrical manipulation current through this sensor; obtaining one or measurement values from at least one sensor; and evaluating a state of the measuring instrument, a state of one or more of its sensors, and/or a state of a coupling to an object of interest, from the one or more measurement values.
-
公开(公告)号:US11415466B2
公开(公告)日:2022-08-16
申请号:US16828979
申请日:2020-03-25
Applicant: ABB Schweiz AG
Inventor: Peter Ude , Wilhelm Daake , Juergen Horstkotte , Guruprasad Sosale , Joerg Gebhardt , Paul Szasz , Andreas Decker
Abstract: A temperature measuring device for determining a medium temperature by a temperature of a measuring point on a surface enclosing the medium includes: at least one measuring sensor; at least one reference sensor; and a measured value processing device which is connected via a cable to the at least one measuring sensor and via a cable to the at least one reference sensor. The at least one measuring sensor and the at least one reference sensor are arranged along a main thermal connection path between the surface enclosing the medium and surroundings. The at least one measuring sensor is arranged close to the measuring point. A thermal resistance between a relevant measuring sensor and the at least one reference sensor is smaller than a thermal resistance between a relevant reference sensor and the surroundings.
-
公开(公告)号:US20200225096A1
公开(公告)日:2020-07-16
申请号:US16828979
申请日:2020-03-25
Applicant: ABB Schweiz AG
Inventor: Peter Ude , Wilhelm Daake , Juergen Horstkotte , Guruprasad Sosale , Joerg Gebhardt , Paul Szasz , Andreas Decker
Abstract: A temperature measuring device for determining a medium temperature by a temperature of a measuring point on a surface enclosing the medium includes: at least one measuring sensor; at least one reference sensor; and a measured value processing device which is connected via a cable to the at least one measuring sensor and via a cable to the at least one reference sensor. The at least one measuring sensor and the at least one reference sensor are arranged along a main thermal connection path between the surface enclosing the medium and surroundings. The at least one measuring sensor is arranged close to the measuring point. A thermal resistance between a relevant measuring sensor and the at least one reference sensor is smaller than a thermal resistance between a relevant reference sensor and the surroundings.
-
4.
公开(公告)号:US11920965B2
公开(公告)日:2024-03-05
申请号:US17013676
申请日:2020-09-07
Applicant: ABB Schweiz AG
Inventor: Joerg Gebhardt , Guruprasad Sosale , Andreas Decker , Wilhelm Daake , Juergen Horstkotte , Peter Ude , Paul Szasz , Ulf Ahrend
IPC: G01F1/688 , G01K13/02 , G01K7/42 , G01K13/024
CPC classification number: G01F1/6884 , G01K13/02 , G01K7/427 , G01K13/024
Abstract: A method for determining a temperature of a fluid flowing through a pipe section includes: determining a temperature of the pipe section; obtaining a reference temperature at a distance from a surface of the pipe section; determining a heat transfer behaviour, in particular a thermal resistance, of a boundary layer of the fluid on an inner wall of the pipe section based on at least one material property and/or at least one value of a state variable of the fluid; and determining the temperature of the fluid based on the heat transfer behaviour of the boundary layer, a heat transfer behavior, in particular a thermal resistance, of the pipe section, the temperature of the pipe section, and the reference temperature.
-
公开(公告)号:US11579026B2
公开(公告)日:2023-02-14
申请号:US17530597
申请日:2021-11-19
Applicant: ABB Schweiz AG
Inventor: Andreas Decker , Joerg Gebhardt , Peter Ude , Juergen Horstkotte , Wilhelm Daake
Abstract: A method for testing a temperature measuring instrument is presented, where the instrument includes at least one sensor that changes its electrical resistance, and/or an electrical voltage that it produces, in response to being exposed to a change in temperature, and where the instrument is configured to be coupled to an object of interest. The method includes changing the temperature of at least one sensor by an amount that is detectable given the measurement resolution of the at least one sensor, by driving an electrical manipulation current through this sensor; obtaining one or measurement values from at least one sensor; and evaluating a state of the measuring instrument, a state of one or more of its sensors, and/or a state of a coupling to an object of interest, from the one or more measurement values.
-
-
-
-