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1. WO2020068943 - NON-INVASIVE PROCESS FLUID TEMPERATURE INDICATION

Publication Number WO/2020/068943
Publication Date 02.04.2020
International Application No. PCT/US2019/052904
International Filing Date 25.09.2019
IPC
G01K 1/14 2006.01
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
1Details of thermometers not specially adapted for particular types of thermometer
14Supports; Fastening devices; Mounting thermometers in particular locations
G01K 13/02 2006.01
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
13Adaptations of thermometers for specific purposes
02for measuring temperature of moving fluids or granular materials capable of flow
G01K 1/02 2006.01
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
1Details of thermometers not specially adapted for particular types of thermometer
02Special applications of indicating or recording means, e.g. for remote indications
CPC
G01K 1/143
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
1Details of thermometers not specially adapted for particular types of thermometer
14Supports; Fastening devices; Mounting thermometers in particular locations
143for measuring surface temperatures, e.g. of pipe walls
G01K 13/02
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
13Adaptations of thermometers for specific purposes
02for measuring temperature of moving fluids or granular materials capable of flow
G01K 17/08
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
17Measuring quantity of heat
06Measuring quantity of heat conveyed by flowing media, e.g. in heating systems
08based upon measurement of temperature difference ; or of a temperature
G01K 7/427
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
7Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat
42Circuits for reducing thermal inertia; Circuits for predicting the stationary value of temperature
427Temperature calculation based on spatial modeling, e.g. spatial inter- or extrapolation
Applicants
  • ROSEMOUNT INC [US]/[US]
Inventors
  • RUD, Jason H.
  • TRIMBLE, Steven R.
Agents
  • CHRISTENSON, Christopher
  • HOLT, Christopher
  • KELLY, Joseph
  • MALHEREK, Wesley
  • VOLKMANN, Christopher
Priority Data
16/146,15228.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) NON-INVASIVE PROCESS FLUID TEMPERATURE INDICATION
(FR) INDICATION NON INVASIVE DE TEMPÉRATURE DE FLUIDE DE TRAITEMENT
Abstract
(EN)
A process fluid temperature estimation system (200) includes a mounting assembly (202) configured to mount the process fluid temperature estimation system (200) to an external surface (116) of a process fluid conduit (100). A sensor capsule (206) has at least one temperature sensitive element (254) disposed therein. Measurement circuitry (228) is coupled to the sensor capsule (206) and configured to detect an electrical characteristic of the at least one temperature sensitive element (254) that varies with temperature and provide sensor capsule temperature information. A controller (222) is coupled to the measurement circuitry (228) and is configured to obtain a reference temperature and employ a heat transfer calculation with the reference temperature, the sensor capsule temperature information and the known thermal conductivity of the process fluid conduit to generate an estimated process fluid temperature output. The reference temperature is obtained from a reference temperature source selected from the group consisting of: a terminal temperature sensor (232), process communication, an electronics temperature sensor (234), an external ambient temperature sensor (246), and an estimation based on known thermal properties.
(FR)
L'invention concerne un système d'estimation de température de fluide de traitement (200) comprenant un ensemble de montage (202) configuré pour monter le système d'estimation de température de fluide de traitement (200) sur une surface externe (116) d'un conduit de fluide de traitement (100). Une capsule de capteur (206) comporte au moins un élément sensible à la température (254) disposé à l'intérieur de celle-ci. Un ensemble de circuits de mesure (228) est couplé à la capsule de capteur (206) et configuré pour détecter une caractéristique électrique dudit élément sensible à la température (254) au moins, qui varie en fonction de la température, et fournir des informations de température de capsule de capteur. Un dispositif de commande (222) est couplé à l'ensemble de circuits de mesure (228) et configuré pour obtenir une température de référence et mettre en oeuvre un calcul de transfert de chaleur avec la température de référence, les informations de température de capsule de capteur et la conductivité thermique connue du conduit de fluide de traitement afin de générer une sortie de température de fluide de traitement estimée. La température de référence est obtenue à partir d'une source de température de référence sélectionnée dans le groupe constitué par : un capteur de température de terminal (232), une communication de traitement, un capteur de température électronique (234), un capteur de température ambiante externe (246) et une estimation basée sur des propriétés thermiques connues.
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Latest bibliographic data on file with the International Bureau