Temperature measuring device for non-invasive temperature measurement, temperature measuring system and computer program product

Patent metadata

Field	Value
Publication number	US-12429386-B2
Application number	US-202218702851-A
Country	US
Kind code	B2
Filing date	Aug 11, 2022
Priority date	Oct 22, 2021
Publication date	Sep 30, 2025
Grant date	Sep 30, 2025

Abstract

A temperature measuring system comprising temperature measuring device, a computer program product suitable for simulating an operating behavior of such a temperature measuring device, and a temperature measuring device for non-invasively measuring a temperature of a medium in a pipe includes a sensor holder and a heat coupling element configured for producing a heat conducting path from a wall of the pipe to a first temperature sensor, wherein the heat coupling element is configured for adjusting the heat conducting path in a layered structure with components composed of different materials where, alternatively or supplementarily, the heat coupling element has an arcuate profile at least sectionally for the purpose of axially reversing the heat conducting path.

First claim

The invention claimed is:

1. A temperature measuring device for non-invasively measuring a temperature of a medium in a pipe, comprising:
a first temperature sensor;
a sensor holder; and
a heat coupling element configured to produce a heat conduction path from a wall of the pipe to a first temperature sensor, said heat coupling element being configured to provide a first measured temperature value;
wherein characterized in that the heat coupling element has an arcuate profile at least sectionally for adjusting the heat conduction path to axially reverse the heat conduction path; and
wherein the axial reversal relates to an axial direction which is defined by a direction in which the pipe extends.

2. The temperature measuring device as claimed in claim 1 , wherein the heat coupling element is formed in a layered configuration with components composed of different materials for adjusting the heat conduction path.

3. The temperature measuring device as claimed in claim 2 , wherein the heat coupling element has one of a C-shaped profile, an S-shaped profile, a Z-shaped profile or a meander profile.

4. The temperature measuring device as claimed in claim 2 , wherein the temperature measuring device has a second temperature sensor.

5. The temperature measuring device as claimed in claim 1 , wherein the heat coupling element has one of a C-shaped profile, an S-shaped profile, a Z-shaped profile or a meander profile.

6. The temperature measuring device as claimed in claim 5 , wherein the temperature measuring device has a second temperature sensor.

7. The temperature measuring device as claimed in claim 1 , wherein the temperature measuring device has a second temperature sensor.

8. The temperature measuring device as claimed in claim 7 , wherein the first temperature sensor is arranged in a first axial section of the heat coupling element to acquire a first measured temperature value and the second temperature sensor is arranged in a second axial section of the heat coupling element to acquire a second measured temperature value.

9. The temperature measuring device as claimed in claim 1 , wherein the heat coupling element is at least partially made of a material which has a temperature-related thermal conductivity gradient value of up to 0.025 (W/(m*K))/° C.

10. The temperature measuring device as claimed in claim 9 , wherein the material is stainless steel.

11. The temperature measuring device as claimed in claim 1 , wherein a side of the heat coupling element facing the pipe is formed as a dovetail.

12. The temperature measuring device as claimed claim 1 , wherein a recess for passage of a fastener is formed in a region of the heat coupling element facing the pipe.

13. The temperature measuring device as claimed in claim 1 , wherein the heat coupling element has an end axial section positioned along the heat conduction path downstream of at least one of the first and second temperature sensor.

14. The temperature measuring device as claimed in claim 1 , wherein at least one of the first and second temperature sensors are installable in a radial direction of the pipe.

15. The temperature measuring device as claimed in claim 1 , wherein at least one of at the first and second temperature sensor is installable in an axial direction of the pipe.

16. A temperature measuring system, comprising:
a temperature measuring device which is coupled to an evaluation unit;
wherein the temperature measuring device is configured as claimed in claim 1 .

17. A computer program product for simulating an operational behavior of a temperature measuring device installed on a pipe for measuring a temperature of a medium located therein; wherein the temperature measuring device is configured as claimed in claim 1 and the computer program product is formed as a digital twin of the temperature measuring device.

Assignees

• Siemens Ag

Inventors

• Bierweiler Thomas
• Von Dosky Stefan
• Ens Wolfgang
• Hilsendegen Markus
• Rigoni Valentin
• Scherer Tim
• Huck Ralf

Classifications

• G01K3/14

  in respect of space · CPC title

• G01K13/02 Primary

  for measuring temperature of moving fluids or granular materials capable of flow · CPC title

• G01K1/143

  for measuring surface temperatures · CPC title

• G01K1/16 Primary

  Special arrangements for conducting heat from the object to the sensitive element · CPC title