GB2548951A - Temperature measuring device for outer wall surface of pipelines of a nuclear power plant - Google Patents
Temperature measuring device for outer wall surface of pipelines of a nuclear power plant Download PDFInfo
- Publication number
- GB2548951A GB2548951A GB1621363.9A GB201621363A GB2548951A GB 2548951 A GB2548951 A GB 2548951A GB 201621363 A GB201621363 A GB 201621363A GB 2548951 A GB2548951 A GB 2548951A
- Authority
- GB
- United Kingdom
- Prior art keywords
- measured
- thermocouple
- metal film
- pipeline
- soft metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention provides a temperature measuring device for outer wall surface of pipelines of a nuclear power plant, including: a thermocouple 10, a fixing ring 20 configured to fix the thermocouple to the pipeline to be measured 60 and a protection device configured to protect the thermocouple. The fixing ring includes a soft metal film 22 and a fastening assembly 24 arranged at two ends of the soft metal film. The thermocouple is welded on the outer wall of the soft metal film. The protection device is arranged above the thermocouple. In use, two ends of the soft metal film are connected to each other via the fastening assembly to make the soft metal film into a ring shape, and the inner wall of the soft metal film abuts tightly against an outer wall surface of the pipeline to be measured. The temperature measured by the thermocouple is the temperature of the outer wall surface of the pipeline to be measured. The fastening assembly may be provided with a compression spring to prevent slackening due to change of temperature of the pipeline to be measured. The protection device may comprise an annular protection cover 30 and support posts 40. The annular protection cover may comprise two rigid semicircles 32 connected together by fastening assembly 34.
Description
SPECIFICATION
TEMPERATURE MEASURING DEVICE FOR OUTER WALL SURFACE OF PIPELINES
OF A NUCLEAR POWER PLANT
TECHNICAL FIELD OF THE INVENTION
The present invention generally relates to temperature measuring devices of a nuclear power plant and, more particularly, relates to a temperature measuring device for outer wall surface of pipelines of a nuclear power plant.
BACKGROUND OF THE INVENTION
At present, earlier nuclear power plants at home and abroad face life extension, gradual aging of equipments and other issues. More and more countries have put forward more stringent requirements for the construction of new nuclear power plants after the Fukushima accident. Therefore, life management of nuclear power plants has become an increasingly important issue. Currently, in countries (United States, Japan, Germany, etc.) where nuclear power started earlier, optimizing the life management and ensuring the safe operation of nuclear power plants beyond design life have been the second object of nuclear power development (the first object is to ensure the safe and economical operation of a nuclear power plant within the design life). At the same time, the United States NRC proposed in 2007 that, for a new nuclear power plant, the effect of the environment on the fatigue of the metal material of power generating equipment needs to be considered in accordance with RG 1.207. The implementation rules are given in the research report NUREG/CR-6909 of NRC. It can be predicted that the application of fatigue monitoring system in nuclear power plants will become a development trend of in-service nuclear power plants and new nuclear power plants.
The fatigue of the pressure boundary pipelines and equipments in the primary circuit of a nuclear power station is mainly caused by the thermal stress arising from the metal hot and cold alternating due to the change of operating conditions. Therefore, it is a prerequisite for the fatigue analysis to accurately measure the temperature field of the inner wall surface of the primary circuit pressure boundary pipelines. At present, the temperature of the inner wall surface of the primary circuit pressure pipelines can be obtained by two ways. 1) Defining a hole in the pipeline to be measured, using a thermocouple with a casing to measure the temperature of the fluid in the pipeline to be measured, and calculating the temperature of the inner wall surface of the pipeline through thermodynamics. However, this approach requires a hole defined in the pipeline to be measured, resulting in difficulty to measure the temperature of multi-point in the cross-section. In addition, the installation and removal of the temperature measuring device are very inconvenient. More importantly, for pipelines running under high temperature and high pressure conditions, hole in the pipeline will affect safe operation the nuclear power plant and will bring the potential risk of radioactive fluid leakage. 2) Measuring the temperature of the outer wall surface of the pipeline by welding a temperature probe to the pipeline. However, the welding process will result in stress in the metal material of the pipeline to be measured, which will affect the internal stress and material uniformity of the pipeline and affect the long-term safe operation of the pipeline under high temperature and high pressure. In addition, this method also has some disadvantages, such as the temperature measuring device is difficult to be installed and the thermocouple is difficult to be replaced.
In view of the foregoing, what is needed, therefore, is to provide a temperature measuring device for outer wall surface of pipelines of a nuclear power plant which can solve the problems as discussed previously.
BRIEF SUMMARY OF VARIOUS EMBODIMENTS OF THE INVENTION
One object of the present invention is to provide a temperature measuring device for outer wall surface of pipelines of a nuclear power plant, which is convenient for disassembly and does not affect the safe operation of the nuclear power plant, so as to realize multi-point temperature measurement of a same pipeline cross section while ensure the safe operation of pipelines under high temperature and high pressure.
According to one embodiment of the present application, a temperature measuring device for outer wall surface of pipelines of a nuclear power plant includes a thermocouple, a fixing ring configured to fix the thermocouple and a protection device configured to protect the thermocouple. The fixing ring includes a soft metal film and a fastening assembly arranged at two ends of the soft metal film. The thermocouple is welded on an outer wall of the soft metal film. The protection device is arranged above the thermocouple. In use, two ends of the soft metal film are connected to each other via the fastening assembly to make the soft metal film in a ring shape. An inner wall of the soft metal film abuts tightly against an outer wall surface of the pipelines to be measured. Temperature measured by the thermocouple is the temperature of the outer wall surface of the pipeline to be measured.
Preferably, the soft metal film has a thickness of 0.5 to 1.5mm, preferably 1.0-1.5mm.
Preferably, the fastening assembly is a hook connector which can be disassembled easily.
Preferably, the fastening assembly is provided with a compression spring for preventing the soft metal film from slackening due to change of the temperature of the pipeline to be measured.
Preferably, the thermocouple is welded to the soft metal film of the fixing ring and fixed by a U-shaped clip. The thermocouple is connected to the soft metal film by welding, preferably silver welding, and the U-shaped clip is connected to the soft metal film by welding, preferably oxygen arc welding.
Preferably, number and position of the thermocouple are arranged evenly or unevenly according to requirements of the pipeline to be measured, and each location for measuring the temperature is provided with one or two thermocouples.
Preferably, the protection device includes an annular protection cover and a support post fixed on the inner wall edge of the protection cover. Inner diameter and width of the protection cover are larger than those of the fixing ring. In use, the protection cover is set around the fixing ring. Free end of the support post is supported on the outer wall surface of the pipeline to be measured with a gap being defined between the protection cover and the outer wall surface of the pipeline to be measured. The fixing ring and the thermocouple are seated in the gap between the protection cover and the pipeline to be measured.
Preferably, the protection cover includes two rigid semicircles joined by a hinge. Open ends of the two rigid semicircles are connected to each other by a fastening assembly. The support posts are uniformly fixed to inner wall edges of the two rigid semicircles.
Preferably, the fastening assembly of the protection cover is a hook connector which can be disassembled easily. The fastening assembly is formed with a compression spring for preventing the pipeline to be measured from slackening due to change of the temperature of the pipeline to be measured.
Preferably, edges of the two rigid semicircles of the protection cover are provided with hollow holes.
Preferably, the temperature measuring device includes a wire lead-out tube. The protection cover defines a wire lead-out hole. The wire lead-out tube is welded around the protection cover with one end of the wire lead-out tube aligned with the wire lead-out hole. In use, extension wire of the thermocouple is led out of the wire lead-out tube to establish an electrical connection with an external device.
Preferably, the temperature of the outer wall surface of the pipeline to be measured is the result of the temperature measured by the thermocouple deducting the systematic error introduced by the soft metal film.
Preferably, the soft metal film and the pipeline to be measured are made from same material.
Compared with the prior art, the temperature measuring device for outer wall surface of pipelines of a nuclear power plant according to the present invention can accurately measures the temperature of the outer wall surface of the pipeline to be measured without defining a hole in the pipeline or welding the pipeline to be measured. In addition, multi-point temperature measurement on any cross section of the pipeline to be measured can be carried out to realize easy disassembly and replacement of the temperature measuring device.
Other advantages and novel features will be drawn from the following detailed description of preferred embodiments with the attached drawings. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present invention and, together with a general description of the invention given above, and the detailed description of the embodiments given below, serve to explain the principles of the invention:
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 depicts an exemplary view of a temperature measuring device for outer wall surface of pipelines of a nuclear power plant according to the present invention, wherein the temperature measuring device is in a using state;
Fig. 2 depicts an expanded view of a fixing ring of the temperature measuring device for outer wall surface of pipelines of a nuclear power plant according to the present invention, wherein the temperature measuring device is formed with two thermocouples; and
Fig. 3 depicts an exemplary view of a protection device of a temperature measuring device for outer wall surface of pipelines of a nuclear power plant according to the present invention.
DETAILED DESCRIPTION OF THE INVENTION
Example embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. Like reference numerals refer to like elements throughout.
Referring to Figs.l to 3, a temperature measuring device for outer wall surface of pipelines of a nuclear power plant according to the present invention includes a thermocouple 10, a fixing ring 20 configured to fix the thermocouple 10 to the pipeline to be measured 60, a protection device configured to protect the thermocouple 10, and a wire lead-out tube 50 for drawing out an extension wire 100 of the thermocouple 10.
The fixing ring 20 includes a soft metal film 22 and a fastening assembly 24 disposed at two ends of the soft metal film 22. Two ends of the soft metal film 22 are connected together by the fastening assembly 24 to make the soft metal film 22 in a ring shape. In order to ensure the strength and desirable heat transfer performance of the fixing ring 20, the soft metal film 22 has a thickness of 0.5 to 1.5mm, preferably 1.0 to 1.5mm. The length the soft metal film 22 is set according to the outer diameter of the pipeline to be measured 60. Therefore, when the fixing ring 20 is mounted around the pipeline to be measured 60, the inner wall of soft metal film 22 abuts tightly against the outer wall surface of the pipeline to be measured 60, to ensure that the temperature of the soft metal film 22 is substantially the same as the temperature of the outer wall surface of the pipeline to be measured 60. The fastening assembly 24 preferably is a hook connector which can be disassembled easily. The fastening assembly 24 is formed with a compression spring 240 for preventing the pipeline to be measured 60 from slackening due to the change of the temperature of the pipeline to be measured 60.
The thermocouple 10 is welded to the soft metal film 22 of the fixing ring 20 and fixed by a U-shaped clip 26. Specifically, the thermocouple 10 is connected to the soft metal film 22 by welding, such as silver welding, and the U-shaped clip 26 is connected to the soft metal film 22 by welding, such as oxy-acetylene welding. The specific number and location of the thermocouples 10 are arranged in accordance with the temperature measurement requirements of the pipeline to be measured 60. According to one embodiment of the present invention, the thermocouples 10 can be arranged evenly as shown in Figs. 1 to 2, or may be arranged unevenly (for example, only the local temperature is to be measured). According to one embodiment of the present invention, dual thermocouple arrangement is employed for each location (i.e., two thermocouples 10 are disposed in each location) to increase the reliability of temperature measurement. In other embodiment of the present invention, each location for measuring the temperature is provided with one thermocouple 10.
The protection device is provided around the fixing ring 20 to protect the thermocouple 10. The protection device includes an armular protection cover 30 and a number of support posts 40 secured to the inner wall edge of the protection cover 30. The protection cover 30 includes two rigid semicircles 32 jointed by a hinge 31. Open ends of the two rigid semicircles 32 are connected to each other by the fastening assembly 34. The fastening assembly 34 is preferably a hook connector for ease disassembly. The fastening assembly 34 is provided with a compression spring, so as to avoid loosening of the protection cover 30 due to the change of the temperature of the pipeline to be measured 60. Each edge of the two rigid semicircles 32 of the protection cover 30 is provided with a hollow hole 320. One of the rigid semicircles 32 is provided with a lead-out hole 322 in a center thereof The support posts 40 are fixed to the inner wall edges of the two rigid semicircles 32 uniformly. The inner diameter and the width of the protection cover 30 are both larger than the corresponding dimensions of the fixing ring 20. The protection cover 30 is set around the fixing ring 20 and supported by the support posts 40, so as to define a gap between the protection cover 30 and the outer wall surface of the pipeline to be measured 60. The free end of the support post 40 is supported on the outer wall surface of the pipeline to be measured 60. The fixing ring 20 and the thermocouple 10 are positioned in the gap between the protection cover 30 and the pipeline to be measured 60. If the pipeline to be measured 60 needs to be thermally insulated, the protection cover 30 can also avoid the influence of the insulating material on the temperature measurement of the thermocouple 10 effectively.
The wire lead-out tube 50 is welded to a rigid semicircle 32 defining a wire lead-out hole 322. One end of the wire lead-out tube 50 is aligned with the wire lead-out hole 322. The extension wires of all the thermocouples 10 are led out of the wire lead-out tube 50 for electrical connection with external devices.
The installation procedure of the temperature measuring device for outer wall surface of pipelines of a nuclear power plant according to the present invention is detailed as following. 1) The fixing ring 20 with the thermocouple 10 equipped thereon is set around the pipeline to be measured 60. Two ends of the soft metal film 22 are connected to each other by the fastening member 24, so that the soft metal film 22 abuts tightly against the outer wall surface of the pipeline to be measured 60. Because the fastening assembly 24 is provided with a compression spring 240, the change of the temperature of the pipeline to be measured 60 does not cause the soft metal film 22 to loosen. 2) The protection cover 30 is fixed around the fixing ring 20 by the fastening assembly 34. The extension wires 100 of all the thermocouples 10 are led out of the wire lead-out tube 50 for electrical connection with the external devices. The free end of each support post 40 is supported on the outer wall surface of the pipeline to be measured 60 at two sides of the fixing ring 20. The fixing ring 20 and the thermocouple 10 are positioned in the gap between the protection cover 30 and the pipeline to be measured 60.
Because the inner wall of the fixing ring 20 abuts tightly against the outer wall surface of the pipeline to be measured 60, the temperature of the soft metal film 22 is substantially the same as the temperature of the outer wall surface of the pipeline to be measured 60. The temperature measured by the thermocouple 10 can be used as the temperature of the corresponding measuring point on the outer wall surface of the pipeline to be measured 60. Preferably, systematic error introduced by the soft metal film 22 is also taken into consideration. In this case, the temperature of corresponding measuring point on the outer wall surface of the pipeline to be measured 60 is the result of the temperature measured by the thermocouple 10 deducting the systematic error introduced by the soft metal film 22.
When the temperature measuring device for outer wall surface of pipelines of a nuclear power plant according to the present invention needs to be disassembled or replaced, the fastening assembly 34 is opened and the protection cover 30 is removed, and the fastening assembly 24 is opened and the fixing ring 20 equipped with the thermocouple 10 is removed.
According to the embodiments of the present invention, the temperature measuring device for outer wall surface of pipelines of a nuclear power plant can accurately measures the temperature of the outer wall surface of the pipelines to be measured without defining a hole in the pipeline to be measured 60 or welding the pipeline to be measured 60. In addition, it can carry out multi-point temperature measurement on any cross section of the pipeline to be measured 60 and can realize easy disassembly and replacement of the temperature measuring device.
Many modifications and other embodiments of the inventions set forth herein will come to mind to one skilled m the art to which these inventions pertain having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. Therefore, it is to be understood that the inventions are not to be limited to the specific embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims. Moreover, although the foregoing descriptions describe example embodiments, it should be appreciated that alternative embodiments without departing from the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (13)
1. A temperature measuring device for outer wall surface of pipelines of a nuclear power plant, comprising: a thermocouple, a fixing ring configured to fix the thermocouple and a protection device configured to protect the thermocouple, wherein the fixing ring comprises a soft metal film and a fastening assembly arranged at two ends of the soft metal film, the thermocouple is welded on an outer wall of the soft metal film, the protection device is arranged above the thermocouple, in use, two ends of the soft metal film are connected to each other via the fastening assembly to make the soft metal film in a ring shape, an inner wall of the soft metal film abuts tightly against an outer wall surface of the pipelines to be measured, and temperature measured by the thermocouple is used as the temperature of the outer wall surface of the pipeline to be measured.
2. The temperature measuring device of claim 1, wherein the soft metal film has a thickness of 0.5 to 1.5 mm, preferably 1.0-1.5mm.
3. The temperature measuring device of claim 1, wherein the fastening assembly is a hook connector which can be disassembled easily.
4. The temperature measuring device of claim 1, wherein the fastening assembly is provided with a compression spring for preventing the soft metal film from slackening due to change of the temperature of the pipeline to be measured.
5. The temperature measuring device of claim 1, wherein the thermocouple is welded to the soft metal film of the fixing ring and fixed by a U-shaped clip, the thermocouple is connected to the soft metal film by welding, preferably silver welding, and the U-shaped clip is connected to the soft metal film by welding, preferably oxygen arc welding.
6. The temperature measuring device of claim 1, wherein number and position of the thermocouple are arranged evenly or unevenly according to requirements of the pipeline to be measured, and each location for measuring the temperature is provided with one or two thermocouples.
7. The temperature measuring device of claim 1, wherein the protection device comprises an annular protection cover and a support post fixed on an inner wall edge of the protection cover, inner diameter and width of the protection cover are larger than those of the fixing ring, in use, the protection cover is set around the fixing ring, free end of the support post is supported on the outer wall surface of the pipeline to be measured with a gap being defined between the protection cover and the outer wall surface of the pipeline to be measured, and the fixing ring and the thermocouple are seated in the gap between the protection cover and the pipeline to be measured.
8. The temperature measuring device of claim 7, wherein the protection cover comprises two rigid semicircles joined by a hinge, open ends of the two rigid semicircles are connected to each other by a fastening assembly, and the support posts are uniformly fixed to inner wall edges of the two rigid semicircles.
9. The temperature measuring device of claim 8, wherein the fastening assembly of the protection cover is a hook connector which can be disassembled easily, and the fastening assembly is formed with a compression spring for preventing the pipeline to be measured from slackening due to change of the temperature of the pipeline to be measured.
10. The temperature measuring device of claim 8, wherein edges of the two rigid semicircles of the protection cover are provided with hollow holes.
11. The temperature measuring device of claim 7, further comprising a wire lead-out tube, wherein the protection cover defines a wire lead-out hole, the wire lead-out tube is welded around the protection cover with one end of the wire lead-out tube aligned with the wire lead-out hole, in use, extension wire of the thermocouple is led out of the wire lead-out tube to establish an electrical connection with an external device.
12. The temperature measuring device of claim 1, wherein the temperature of the outer wall surface of the pipeline to be measured is the result of the temperature measured by the thermocouple deducting the systematic error introduced by the soft metal film.
13. The temperature measuring device of claim 1, wherein the soft metal film and the pipeline to be measured are made from same material.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195391.6A CN105761767B (en) | 2016-03-31 | 2016-03-31 | Nuclear power station pipeline outside wall surface temperature measuring equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201621363D0 GB201621363D0 (en) | 2017-02-01 |
| GB2548951A true GB2548951A (en) | 2017-10-04 |
| GB2548951B GB2548951B (en) | 2020-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1621363.9A Active GB2548951B (en) | 2016-03-31 | 2016-12-15 | Temperature measuring device for outer wall surface of pipelines of a nuclear power plant |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105761767B (en) |
| GB (1) | GB2548951B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761767B (en) * | 2016-03-31 | 2017-11-17 | 中广核工程有限公司 | Nuclear power station pipeline outside wall surface temperature measuring equipment |
| CN106257248B (en) * | 2016-09-20 | 2018-11-13 | 中国核动力研究设计院 | Thermocouple detent mechanism when using thermocouple measurement round tube inner wall face temperature |
| CN106680001B (en) * | 2016-10-25 | 2019-09-17 | 核动力运行研究所 | A kind of online fatigue life monitor in branch pipe tee connection region and method |
| CN109974869A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of metal outer wall temperature measurement device |
| CN112771357A (en) * | 2018-09-28 | 2021-05-07 | 罗斯蒙特公司 | Error reduced non-invasive process fluid temperature indication |
| CN109916526A (en) * | 2019-03-11 | 2019-06-21 | 西北工业大学 | A kind of the back pin configuration and preparation method of the extraction of the ito thin film thermocouple electric signal on turbo blade |
| CN110211715B (en) * | 2019-05-27 | 2021-11-23 | 苏州热工研究院有限公司 | Pipeline fluid thermal stratification monitoring device |
| CN111141400B (en) * | 2019-12-04 | 2021-08-24 | 深圳中广核工程设计有限公司 | Method for measuring temperature of pipe wall of thermal fatigue sensitive area of bent pipe of nuclear power station |
| CN112556865A (en) * | 2020-12-09 | 2021-03-26 | 翟国强 | Water temperature detection device in boiler pipeline |
| CN115165131A (en) * | 2022-06-24 | 2022-10-11 | 山东大学 | GIS isolator contact temperature monitoring device |
| CN117079848B (en) * | 2023-10-17 | 2023-12-19 | 四川大学 | Nuclear power plant primary loop optimal temperature measurement point selection method |
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| US5170540A (en) * | 1991-07-15 | 1992-12-15 | Hans Oetiker | Adjustable screw-type clamp |
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| CN103017927A (en) * | 2012-11-28 | 2013-04-03 | 中国商用飞机有限责任公司 | Mounting method for mounting temperature thermocouple on inner surface of skin |
| KR101446137B1 (en) * | 2013-05-29 | 2014-10-06 | 한국지질자원연구원 | Thermocouple attachment apparatus with constant pressure using the elasticity of a spring |
| CN204373800U (en) * | 2015-01-19 | 2015-06-03 | 大连理工大学 | A kind of grip device measuring high-temperature pipe outside wall temperature |
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- 2016-03-31 CN CN201610195391.6A patent/CN105761767B/en active Active
- 2016-12-15 GB GB1621363.9A patent/GB2548951B/en active Active
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| DE4427181A1 (en) * | 1994-08-01 | 1996-02-08 | Siemens Ag | Thermoelement measuring head holding device |
| CN104733061A (en) * | 2015-04-01 | 2015-06-24 | 阿海珐有限公司 | Device and method used for carrying out fatigue monitoring and fatigue evaluation |
| CN105761767A (en) * | 2016-03-31 | 2016-07-13 | 中广核工程有限公司 | Measurement device for temperature of outer wall face of nuclear power station pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105761767B (en) | 2017-11-17 |
| GB2548951B (en) | 2020-12-16 |
| GB201621363D0 (en) | 2017-02-01 |
| CN105761767A (en) | 2016-07-13 |
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