CN106768467A - A kind of novel metal inwall temperature measurement device and method - Google Patents
A kind of novel metal inwall temperature measurement device and method Download PDFInfo
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- CN106768467A CN106768467A CN201510824502.0A CN201510824502A CN106768467A CN 106768467 A CN106768467 A CN 106768467A CN 201510824502 A CN201510824502 A CN 201510824502A CN 106768467 A CN106768467 A CN 106768467A
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Abstract
The present invention relates to technical field of temperature measurement in metal, a kind of novel metal inwall temperature measurement device and method are specifically disclosed.Measured metal exemplar includes tested metal exemplar leading portion and tested metal exemplar back segment in the device, and both are mutually fixedly connected by kink screw thread, and sealed by being tested the plane sealing pad set between metal exemplar leading portion and tested metal exemplar back segment；Thermometric groove is provided with tested metal exemplar leading portion its right end face, the perforate on tested metal exemplar leading portion tube wall in the axial direction, and perforate is drawn along axis different length or different angles, the fibre optic temperature sensor being located in thermometric groove is set to be drawn from the perforate of tested metal exemplar leading portion axial direction, and fibre optic temperature sensor is connected through Laser Welding with the connector of Fibre Optical Sensor.The device and method, can measure the wall temperature along metal thickness direction, improve the capability of fast response of the accessibility, accuracy and tube wall temperature measurement of tube wall temperature measurement.
Description
Technical field
The invention belongs to technical field of temperature measurement in metal, and in particular to wall temperature measurement in a kind of novel metal
Device and method.
Background technology
Currently, the main method of tube wall temperature measurement is entered in row metal using paster thermal resistance or thermocouple
The temperature survey of wall or outer wall, the temperature in metal thickness direction is basic according to acquisition is calculated, and also has to use and bores
The mode in hole, thermometric, but the method are carried out by the not true of drilling depth along thickness direction arrangement thermocouple
Fixed and the uncertain of thermocouple temperature measurement contact point brings certain measured deviation, it is difficult to be metal heat fatigue point
Analysis provides accurate data.
Also, thermocouple sensor occupies certain space, be difficult to measure for relatively thin metal or
It is difficult to carry out multilayer measurement.
The content of the invention
It is an object of the invention to provide a kind of novel metal inwall temperature measurement device and method, it can overcome
The uncertainty of borehole survey, meets the requirement for metal thickness multilayer thermometric.
Technical scheme is as follows：A kind of novel metal inwall temperature measurement device, the device includes optical fiber
Temperature sensor and measured metal exemplar, wherein, before measured metal exemplar includes tested metal exemplar
Section and tested metal exemplar back segment, and both are mutually fixedly connected by kink screw thread, and by tested metal-like
The plane sealing pad set between part leading portion and tested metal exemplar back segment is sealed；In tested metal-like
Thermometric groove is provided with part leading portion its right end face, the perforate on tested metal exemplar leading portion tube wall in the axial direction,
And perforate is drawn along axis different length or different angles, makes the optical fiber sensing being located in thermometric groove
Device is drawn from the perforate of tested metal exemplar leading portion axial direction, and fibre optic temperature sensor is through Laser Welding and light
The connector of fiber sensor is connected.
Capillary, optical fiber sensing are provided with perforate in described tested metal exemplar leading portion axial direction
Device is drawn from capillary.
Described thermometric groove is the concentric circles of different radii, and lays a light for multi-measuring point in each concentric circles
Fine temperature sensor.
Described thermometric groove is Archimedian screw laying groove, sets single in Archimedian screw laying groove
Root or multifiber temperature sensor.
The groove face of described tested metal exemplar leading portion thickness direction and the hole face intersection of axial direction it is smooth and
Impulse- free robustness.
The gold consistent with pipe material is filled between described tested metal exemplar leading portion and plane sealing pad
Category powder, for fixing optical fiber, but does not change heat transfer property.
A kind of wall temperature measurement method in novel metal, the method specifically includes following steps：
Step 1, tested metal exemplar is made two sections, and is fixedly connected by kink screw thread；
Step 2, the setting thermometric groove on the end face of tested metal exemplar section；
Step 3, in tested metal exemplar fibre optic temperature sensor is set, it is thick to tested metal exemplar to realize
Spend the temperature survey in direction.
Tested metal exemplar is divided into tested metal exemplar leading portion and tested metal exemplar back segment, between the above two
It is provided with plane sealing pad, and kink screw thread by same material is sealedly and fixedly connected.
Concentric groove is provided with the end face being in contact with tested metal exemplar back segment in tested metal exemplar leading portion
Or archimedean spiral groove.
Described step 3 is concretely comprised the following steps：Fiber optic temperature is laid in the thermometric groove of tested metal exemplar to pass
Sensor, capillary is embedded with tested metal exemplar, and capillary vertically different length or different angles
Drawn at degree, the fibre optic temperature sensor in the thermometric groove that makes to be laid in is drawn from capillary, passes fiber optic temperature
Sensor is connected through Laser Welding with the connector of Fibre Optical Sensor, and at capillary extraction with tested metal exemplar
Outer wall be welded and fixed；Intrametallic fibre optic temperature sensor is tested using embedment, is realized to along metal thickness
The wall temperature in direction.
Remarkable result of the invention is：A kind of novel metal inwall temperature measurement device of the present invention and side
Method, can measure the wall temperature along metal thickness direction, improve the accessibility of tube wall temperature measurement, accuracy with
And the capability of fast response of tube wall temperature measurement.
Brief description of the drawings
Fig. 1 is the dress that a kind of novel metal inwall temperature measurement device of the present invention measures metal thickness temperature
Put structural representation；
Fig. 2 is metal end face thermometric slot structure schematic diagram to be measured in Fig. 1；
In figure：1st, fibre optic temperature sensor；2nd, capillary；3rd, Fibre Optical Sensor joint；4th, kink spiral shell
Line；5th, gasket seal；6th, it is tested metal exemplar leading portion；7th, it is tested metal exemplar back segment；8th, thermometric groove.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
Described as shown in Figure 1, Figure 2, a kind of novel metal inwall temperature measurement device, the device is passed including fiber optic temperature
Sensor 1, capillary 2, wherein, fibre optic temperature sensor 1 is the mode transmission list for being carved with polylith temperature-sensitive component
Root optical fiber, covers the temperature-sensitive component on optical fiber, and it can be with the change of temperature, and by the change of temperature
With Optical Fiber Transmission to demodulator of PM signal PM, measurable electric signal is changed into by demodulator of PM signal PM and enters collection dress
Put, realize the measurement of temperature；Measured metal exemplar includes tested metal exemplar leading portion 6 and tested metal-like
Connected by kink screw thread 4 between part back segment 7, and tested metal exemplar leading portion 6 and tested metal exemplar back segment 7
Connect, and by plane sealing pad 5 between the two, realize tested metal exemplar leading portion 6 and tested metal-like
Being tightly connected between part back segment 7, wherein, the tested its right end face of metal exemplar leading portion 6 is provided with thermometric groove 8,
Thermometric groove is the concentric circles of different radii, or Archimedian screw laying groove；For metal wall thickness 2mm
Wall temperature measurement above, a fibre optic temperature sensor for multi-measuring point 1 is laid in each concentric circles；For A Ji
Mead spirality laying groove can be used for the fibre optic temperature sensor 1 of single multi-point temperature measurement, and it is applied to various walls
Thickness, can lay multifiber to prevent the damage of individual optical fiber in archimedean spiral groove；In tested metal
Capillary 2 is embedded with, capillary 2 is different vertically along on the tested axial direction of metal exemplar leading portion 6
Drawn at length or different angles, the light in different radii concentric circles in tested metal exemplar leading portion 6
Fine temperature sensor 1, draws from capillary 2, and fibre optic temperature sensor 1 is through Laser Welding and Fibre Optical Sensor
Connector 3 be connected, and welded with the outer wall of tested metal exemplar at the extraction of capillary 2, prevent pipe
Outward leakage；Or, it is provided with the perforate of different length or different angles vertically in tested metal exemplar,
Drawn from the perforate of tested metal exemplar axial direction between fibre optic temperature sensor 1, and pass fiber optic temperature
Sensor 6 is connected with the laser welding of connector 3 of Fibre Optical Sensor；The tested thickness direction of metal exemplar leading portion 6
Groove face and axial direction hole face intersection is smooth and impulse- free robustness, be tested metal exemplar leading portion 6 and tested gold
The kink screw thread 4 being connected between category exemplar back segment 7 is consistent with tested metal material；In tested metal exemplar
Plane sealing pad 5 is set between leading portion 6 and tested metal exemplar back segment 7, and in tested metal exemplar leading portion
The filling metal dust consistent with pipe material between 6 and plane sealing pad 5, for fixing optical fiber, but simultaneously
Do not change heat transfer property.
A kind of wall temperature measurement method in novel metal, the method specifically includes following steps：
Step 1, tested metal exemplar is made two sections, and is fixedly connected by kink screw thread；
Tested metal exemplar is divided into tested metal exemplar leading portion and tested metal exemplar back segment, between the above two
It is provided with plane sealing pad, and kink screw thread by same material is sealedly and fixedly connected；
Step 2, the setting thermometric groove on the end face of tested metal exemplar section；
Concentric groove is provided with the end face being in contact with tested metal exemplar back segment in tested metal exemplar leading portion
Or archimedean spiral groove；
Step 3, in tested metal exemplar fibre optic temperature sensor is set, it is thick to tested metal exemplar to realize
Spend the temperature survey in direction；
Fibre optic temperature sensor is laid in the thermometric groove of tested metal exemplar, in tested metal exemplar embedded set
There is a capillary, and capillary is drawn at different length or different angles vertically, makes to be laid in thermometric groove
Fibre optic temperature sensor drawn from capillary, make fibre optic temperature sensor through Laser Welding and Fibre Optical Sensor
Connector is connected, and outer wall with tested metal exemplar at capillary extraction is welded and fixed；Using imbedding quilt
Intrametallic fibre optic temperature sensor is surveyed, is realized to the wall temperature along metal thickness direction.
Claims (10)
1. a kind of novel metal inwall temperature measurement device, it is characterised in that：The device includes optical fiber sensing
Device (1) and measured metal exemplar, wherein, measured metal exemplar includes tested metal exemplar leading portion (6)
With tested metal exemplar back segment (7), and both are mutually fixedly connected by kink screw thread (4), and by being tested
The plane sealing pad (5) set between metal exemplar leading portion (6) and tested metal exemplar back segment (7) enters
Row sealing；Thermometric groove (8) is provided with tested metal exemplar leading portion (6) its right end face, in tested metal-like
Perforate on part leading portion (6) tube wall in the axial direction, and perforate is along axis different length or different angles
Draw, make the fibre optic temperature sensor (1) being located in thermometric groove (8) from tested metal exemplar leading portion axial direction
The perforate in direction is drawn, and fibre optic temperature sensor (1) is through Laser Welding and the connector (3) of Fibre Optical Sensor
It is connected.
2. a kind of novel metal inwall temperature measurement device according to claim 1, it is characterised in that：Institute
Capillary (2), fibre optic temperature sensor are provided with perforate in the tested metal exemplar leading portion axial direction stated
(1) drawn from capillary (2).
3. a kind of novel metal inwall temperature measurement device according to claim 1, it is characterised in that：Institute
The thermometric groove (8) stated is the concentric circles of different radii, and lays an optical fiber for multi-measuring point in each concentric circles
Temperature sensor (1).
4. a kind of novel metal inwall temperature measurement device according to claim 1, it is characterised in that：Institute
The thermometric groove (8) stated is Archimedian screw laying groove, sets single in Archimedian screw laying groove
Or multifiber temperature sensor (1).
5. a kind of novel metal inwall temperature measurement device according to claim 1, it is characterised in that：Institute
The groove face of tested metal exemplar leading portion (6) thickness direction stated and the hole face intersection of axial direction be smooth and nothing
Burr.
6. a kind of novel metal inwall temperature measurement device according to claim 1, it is characterised in that：Institute
Filled with consistent with pipe material between the tested metal exemplar leading portion (6) stated and plane sealing pad (5)
Metal dust, for fixing optical fiber, but do not change heat transfer property.
7. a kind of wall temperature measurement method in novel metal, it is characterised in that：The method specifically includes following steps：
Step 1, tested metal exemplar is made two sections, and is fixedly connected by kink screw thread；
Step 2, the setting thermometric groove on the end face of tested metal exemplar section；
Step 3, in tested metal exemplar fibre optic temperature sensor is set, it is thick to tested metal exemplar to realize
Spend the temperature survey in direction.
8. wall temperature measurement method in a kind of novel metal according to claim 7, it is characterised in that：Institute
The step of stating 1 concretely comprises the following steps：Tested metal exemplar is divided into tested metal exemplar leading portion and tested metal
Exemplar back segment, is provided with plane sealing pad between the above two, and kink screw thread by same material is carried out
It is sealedly and fixedly connected.
9. wall temperature measurement method in a kind of novel metal according to claim 7, it is characterised in that：Institute
The step of stating 2 concretely comprises the following steps：It is in contact with tested metal exemplar back segment in tested metal exemplar leading portion
End face on be provided with concentric groove or archimedean spiral groove.
10. wall temperature measurement method in a kind of novel metal according to claim 7, it is characterised in that：
Described step 3 is concretely comprised the following steps：Fibre optic temperature sensor is laid in the thermometric groove of tested metal exemplar,
Be embedded with capillary in tested metal exemplar, and capillary vertically different length or draw at different angles
Go out, the fibre optic temperature sensor in the thermometric groove that makes to be laid in is drawn from capillary, passes through fibre optic temperature sensor
Laser Welding is connected with the connector of Fibre Optical Sensor, and at capillary extraction with the outer wall of tested metal exemplar
It is welded and fixed；Intrametallic fibre optic temperature sensor is tested using embedment, is realized to along metal thickness direction
Wall temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824502.0A CN106768467B (en) | 2015-11-24 | 2015-11-24 | A kind of metal inner surface temperature measurement device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824502.0A CN106768467B (en) | 2015-11-24 | 2015-11-24 | A kind of metal inner surface temperature measurement device and method |
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| Publication Number | Publication Date |
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| CN106768467A true CN106768467A (en) | 2017-05-31 |
| CN106768467B CN106768467B (en) | 2019-09-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008026216A (en) * | 2006-07-24 | 2008-02-07 | Ntn Corp | Inner ring temperature measuring instrument for rolling bearing |
| CN201184822Y (en) * | 2007-12-19 | 2009-01-21 | 贵阳铝镁设计研究院 | Mounting structure for surface thermal resistor on pipe |
| CN102494805A (en) * | 2011-12-31 | 2012-06-13 | 孙景文 | Detection bar used for testing different thickness temperature changes in external wall brick body |
| CN102853938A (en) * | 2012-09-18 | 2013-01-02 | 山东大学 | Engine cylinder cover parameter measuring instrument and method based on optical fiber probe |
| CN104742018A (en) * | 2015-04-09 | 2015-07-01 | 大连理工大学 | Grinding method of controlling grinding parameters |
| CN205280238U (en) * | 2015-11-24 | 2016-06-01 | 核动力运行研究所 | Novel wall temperature measures in metal device |
-
2015
- 2015-11-24 CN CN201510824502.0A patent/CN106768467B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008026216A (en) * | 2006-07-24 | 2008-02-07 | Ntn Corp | Inner ring temperature measuring instrument for rolling bearing |
| CN201184822Y (en) * | 2007-12-19 | 2009-01-21 | 贵阳铝镁设计研究院 | Mounting structure for surface thermal resistor on pipe |
| CN102494805A (en) * | 2011-12-31 | 2012-06-13 | 孙景文 | Detection bar used for testing different thickness temperature changes in external wall brick body |
| CN102853938A (en) * | 2012-09-18 | 2013-01-02 | 山东大学 | Engine cylinder cover parameter measuring instrument and method based on optical fiber probe |
| CN104742018A (en) * | 2015-04-09 | 2015-07-01 | 大连理工大学 | Grinding method of controlling grinding parameters |
| CN205280238U (en) * | 2015-11-24 | 2016-06-01 | 核动力运行研究所 | Novel wall temperature measures in metal device |
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| Publication number | Publication date |
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| CN106768467B (en) | 2019-09-17 |
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