CN108168737A - Film thermocouple demarcates special isolation clamping device - Google Patents
Film thermocouple demarcates special isolation clamping device Download PDFInfo
- Publication number
- CN108168737A CN108168737A CN201810235377.3A CN201810235377A CN108168737A CN 108168737 A CN108168737 A CN 108168737A CN 201810235377 A CN201810235377 A CN 201810235377A CN 108168737 A CN108168737 A CN 108168737A
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- China
- Prior art keywords
- boiler tube
- temperature measurement
- clamp
- sliding bar
- fixed
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
-
- 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 discloses a kind of film thermocouples to demarcate special isolation clamping device, including：Boiler tube covers, and is fixed on temperature measurement stove boiler tube upper end；Stent, one end are fixed on the boiler tube closure surface, and the other end is fixedly connected with guide tube；The center for being aligned in the boiler tube closure surface is fixed at guide tube, center；Sliding bar is covered from the boiler tube and is stretched out and upper end is placed in the guide tube, and can be inserted into the length in temperature measurement stove boiler tube by changing the sliding bar and be adjusted position of the film thermocouple to be measured in the temperature measurement stove boiler tube；And clamp structure, it is fixed in the sliding bar lower end and the dynamics for clamping film thermocouple to be measured can be adjusted.And clamp structure, it is fixed in the sliding bar lower end and can adjust and slide intermediate plate position to clamp different size film thermocouples to be measured.The present invention has the characteristics of film thermocouple cold end and hot junction separation can be achieved, reduce the adverse effect that external environment stablizes temperature measurement temperature field in furnace, compensating wire is avoided to come off.
Description
Technical field
The invention belongs to temperature measurement technical fields, particularly relate to a kind of film thermocouple and demarcate special isolation clip
Hold device.
Background technology
Science and technology rapid development today, a variety of materials low-dimensional have become material science development it is important become
One of gesture, the thin-film materials of a large amount of different function have obtained more and more applications in the industrial production, and thin film thermoelectric
Even temperature sensor is exactly with the development of thin-film material technology and the novel sensor of appearance.With common aspect block type thermocouple phase
Than film thermocouple has typical two-dimensional characteristics, and thermojunction dot thickness is micro-nano magnitude, therefore, small, loud with thermal capacity
The advantages that rapid is answered, can accurately measure transient temperature variation.As film preparing technology becomes more diverse, thermocouple film
Performance characterization ever more important, the quality of performance characterization experimental reliability will be directly related to grinding for thin-film thermocouple temperature sensor
Whether system succeeds, and therefore, research film thermocouple scaling method occupies very important status in its research.At present, it senses
The calibration of device is one of domestic research hotspot about thin-film thermocouple temperature sensor.
But due to thin film sensor criteria of right and wrong temperature measuring device, in order to accurately measure the variation of transient temperature,
During developing thin film sensor, can need accurately obtain the performance of measurement point temperature to it evaluates.Thin film thermoelectric
Its cold end and hot junction need to be in different temperature fields, but its size is smaller during even calibration, realize more difficult；It is limited by film heat
Film thermocouple, must be placed on temperature measurement stove fire door when being demarcated to it by galvanic couple size, and the open loop of fire door position
Border makes temperature field easily be affected by the external environment, so as to influence the accuracy of calibration；It is repeated during hand-held calibration to pick and place behaviour
Work may lead to coming off for compensating wire.So a kind of method that can overcome the above problem is needed now.
Invention content
In view of defect present in existing calibration technique, special the invention aims to provide a kind of film thermocouple calibration
With isolation clamping device, have and film thermocouple cold end and hot junction separation can be achieved, reduce external environment to temperature measurement stove
The adverse effect that interior temperature field is stablized, the characteristics of compensating wire is avoided to come off.
To achieve these goals, technical scheme of the present invention：
A kind of film thermocouple demarcates special isolation clamping device, it is characterised in that including：
Boiler tube covers, and is fixed on temperature measurement stove boiler tube upper end；
Stent, one end are fixed on the boiler tube closure surface, and the other end is fixedly connected with guide tube；
The center for being aligned in the boiler tube closure surface is fixed at guide tube, center；
Sliding bar covers stretching from the boiler tube and upper end is placed in the guide tube, and can be by changing the cunning
Lever is inserted into the length in temperature measurement stove boiler tube to adjust film thermocouple to be measured in the temperature measurement stove boiler tube
Position；
And clamp structure, it is fixed in the sliding bar lower end and can adjust and slide intermediate plate position to clamp difference
Size film thermocouple to be measured.
Further, the boiler tube capping has：
First end face is fastened on temperature measurement stove boiler tube end face；
Second end face is inserted in temperature measurement stove boiler tube and is fitted closely with temperature measurement stove boiler tube inner wall；
And boiler tube capping through-hole, through the first end face and second end face so that the sliding bar passes through and inserts
Enter into temperature measurement stove boiler tube.
Further, it is placed with and is connected on sliding bar on boiler tube capping through-hole, to ensure temperature measurement stove burner hearth
The closure member of closure.
Further, the boiler tube capping also has：
Washer is placed in the intermediate location of the first end face and second end face.
Further, it is provided on the barrel of the guide tube in the length for determining sliding bar and being inserted into temperature measurement stove boiler tube
The positioning component of sliding bar is fixed when spending.
Further, the sliding bar upper end is provided with the movement of limit slippage bar to play the backing pin of position-limiting action.
Further, the clamp structure has：
Clamp rail is fixed in the sliding bar lower end；
Clamp distance fixing piece is fixed on the clamp rail；
Clamp distance adjustment part, by adjusting intermediate plate position is slided to clamp different size film thermocouples to be measured；
Bolt arrangement is adjusted through clamp distance fixing piece with clamp distance adjustment part and in clamp distance to conforming to
Position of the clamp distance adjustment part on the clamp rail is fixed during the clamp distance asked.
Compared with prior art, beneficial effects of the present invention：
Technical solution of the present invention enables to the cold end of clamped film thermocouple and hot junction to be in different temperature
Field is spent, overcomes the difficulty of film thermocouple microsize calibration；By using boiler tube capping and the structure of closure plate, make temperature
The border closing of degree metering ring can keep the stabilization of temperature field in furnace；In addition, calibration experiment can be completed by once clamping in it, subtract
Lack film thermocouple and picked and placeed number, avoided coming off for film thermocouple compensating wire, experiment process can be accelerated, improve experiment
Efficiency.In summary, it can be widely applied to film thermocouple calibration field.
Description of the drawings
Fig. 1 is film thermocouple calibration Special clamping device overall schematic of the present invention；
Fig. 2 is for two kinds of closure plate structure diagrams designed by different shape thermocouple；
Fig. 3 is clamp structure of the present invention；
Fig. 4 is the detail view that Γ shapes stent of the present invention is installed to temperature measurement stove boiler tube upper end.
In figure：1st, boiler tube covers, and 2, closure plate, 3, Γ shape stents, 4, guide tube, 5, trip bolt, 6, sliding bar, 7, gear
Pin, 8, boiler tube capping through-hole, 9, asbestos washer, 10, slide intermediate plate, 11, fixed intermediate plate, 12, fastening bolt, 13, clamp nut,
14th, clamp rail.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, is clearly and completely described technical scheme of the present invention, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of all other embodiments obtained, shall fall within the protection scope of the present invention.
A kind of film thermocouple calibration Special clamping device as shown in Figure 1, it is characterised in that including：
Boiler tube capping 1, is fixed on temperature measurement stove boiler tube upper end；
Γ shapes stent 3, one end are fixed on the boiler tube closure surface, and the other end is fixedly connected with guide tube 4；
The center for being aligned in the boiler tube closure surface is fixed at guide tube 4, center；
Sliding bar 6 covers stretching from the boiler tube and upper end is placed in the guide tube, and can be by changing the cunning
Lever is inserted into the length in temperature measurement stove boiler tube to adjust film thermocouple to be measured in the temperature measurement stove boiler tube
Position；
And clamp structure, it is fixed in the sliding bar lower end and can adjust and slide intermediate plate position to clamp difference
Size film thermocouple to be measured.
Further, the boiler tube capping 1 has：First end face is fastened on temperature measurement stove boiler tube end face；Second end
Face is inserted in temperature measurement stove boiler tube and is fitted closely with temperature measurement stove boiler tube inner wall；And boiler tube capping through-hole 8,
It is through the first end face and second end face so that the sliding bar passes through and is inserted into temperature measurement stove boiler tube.Into one
Step, it is placed with and is connected on sliding bar on boiler tube capping through-hole, to ensure the closing of the closure of temperature measurement stove burner hearth
Part；The closure member is two pieces of closure plates 2 being placed on the boiler tube capping through-hole 8, as shown in Fig. 2, two pieces of closings
2 shape of piece can be replaced according to film thermocouple shape.Further, the boiler tube capping also has：Washer is placed in institute
State the intermediate location of first end face and second end face；Preferably, the washer covers asbestos washer 9 using boiler tube.The present invention
The structure of boiler tube capping and closure plate is employed, closes temperature measurement furnace inner environment, reduces external environment to temperature field in furnace
Stable adverse effect, while cool and heat ends can be made to be in different temperature fields with the cold end of isolated film thermocouple and hot junction,
Overcome the difficulty of film thermocouple microsize calibration.Boiler tube envelope can be used in simultaneously for the temperature measurement stove of different inner diameters
The mode for increasing corresponding specification sleeve outside lid lower circular pipe type structure improves versatility.
Further, it is provided on the barrel of the guide tube 4 and is determining that sliding bar is inserted into temperature measurement stove boiler tube
The positioning component of sliding bar is fixed during length；The positioning component is trip bolt 5.
Further, 6 upper end of sliding bar is provided with the movement of limit slippage bar to play the backing pin 7 of position-limiting action.
Further, as shown in figure 3, the clamp structure has：
Clamp rail 14 is fixed in 6 lower end of sliding bar；
Clamp distance fixing piece is fixed on the clamp rail；
Clamp distance adjustment part, by adjusting 10 position of intermediate plate is slided to clamp different size film thermocouples to be measured；
Bolt arrangement, including fastening bolt 12 and clamp nut 13, fastening bolt 12 runs through clamp distance fixing piece
The folder is fixed with clamp distance adjustment part and when clamp distance is adjusted to satisfactory clamp distance by clamp nut 13
Hold the position on the clamp rail apart from adjustment part.
Further, the clamping force fixing piece is fixed intermediate plate 11, is provided with through-hole on the fixed intermediate plate 11, presss from both sides
Holding force degree adjustment part is fixed with fastening bolt 12, the fastening bolt 12 is passed through on fixed intermediate plate 11 thereon to slide intermediate plate 10
Through-hole, and fixed by clamp nut 13.
Specific operating process is：As shown in figure 4, when carrying out film thermocouple calibration, whole device is placed on temperature
On degree metering stove boiler tube so that the second end face of the boiler tube capping 1 is stuck in boiler tube inner wall, and asbestos washer 9 is located at boiler tube capping 1
Between temperature measurement furnace outer wall；Sliding bar 6 inside guide tube 4 is pressed closer by 5 lower end of trip bolt of 4 side of guide tube
It realizes positioning, prevents from coming off due to being provided with the backing pin 7 for preventing sliding bar 6 from coming off on sliding bar 6；Sliding bar 6 passes through boiler tube
Through-hole 8 is covered, while the lead of thermocouple covers through-hole 8 by boiler tube and draws, and by covering what is placed on through-hole 8 in boiler tube
Two pieces of closure plates 2 are stuck on sliding bar 6 to ensure the closure of burner hearth；6 lower part of sliding bar is fixed with clamp rail 14, and clamping is led
14 other end of rail is fixed with fixed intermediate plate 11, is provided with through-hole on the fixed intermediate plate 11, there is slip intermediate plate on clamp rail 14
10, it slides and fastening bolt 12 is fixed on intermediate plate 10, fastening bolt 12 passes through 10 through-hole of fixed intermediate plate, and is consolidated by clamp nut 13
It is fixed.During calibration experiment, film thermocouple sample is placed on and is slided between intermediate plate 10 and fixed intermediate plate 11, turns clamp nut 13,
Sample is fixed.The achievable film thermocouple cold end of the present invention and hot junction separation reduce external environment to warm in temperature measurement stove
The adverse effect that field is stablized is spent, reduces the characteristics of film thermocouple picks and places number, compensating wire is avoided to come off, therefore can be wide
The general film thermocouple that is applied to demarcates field.
In summary, the present invention devises a kind of film thermocouple calibration Special clamping device, is pressed from both sides by using machinery
Design is held to fix film thermocouple, enters furnace depth using the control of adjustable sliding device, improves the specification of calibration experiment
Property and preciseness, the guide tubes of Γ shape pedestal upper ends is such as passed through using sliding bar, the trip bolt locking sliding bar on guide tube passes through
The sliding bar lower part of boiler tube capping through-hole is fixed with film thermocouple clamp structure；The structure with closure plate is covered using boiler tube,
Temperature measurement furnace inner environment is closed, reduces the adverse effect that external environment stablizes temperature field in furnace, while can be isolated thin
The cold end of film thermocouple and hot junction are at different temperature fields, overcome the difficulty of film thermocouple microsize calibration,
Easy reliable clamping device is employed, reduces film thermocouple and picks and places number, avoids the de- of film thermocouple compensating wire
It falls, this method can be widely applied to film thermocouple calibration field.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of film thermocouple demarcates special isolation clamping device, it is characterised in that including：
Boiler tube covers, and is fixed on temperature measurement stove boiler tube upper end；
Stent, one end are fixed on the boiler tube closure surface, and the other end is fixedly connected with guide tube；
The center for being aligned in the boiler tube closure surface is fixed at guide tube, center；
Sliding bar covers stretching from the boiler tube and upper end is placed in the guide tube, and can be by changing the sliding bar
The length in temperature measurement stove boiler tube is inserted into adjust position of the film thermocouple to be measured in the temperature measurement stove boiler tube；
And clamp structure, it is fixed in the sliding bar lower end and can adjust and slide intermediate plate position to clamp different sizes
Film thermocouple to be measured.
2. film thermocouple according to claim 1 demarcates Special clamping device, it is characterised in that：
The boiler tube capping has：
First end face is fastened on temperature measurement stove boiler tube end face；
Second end face is inserted in temperature measurement stove boiler tube and is fitted closely with temperature measurement stove boiler tube inner wall；
And boiler tube capping through-hole, intert through the first end face and second end face for the sliding bar and partly insert
Enter into temperature measurement stove boiler tube.
3. film thermocouple according to claim 2 demarcates Special clamping device, it is characterised in that：
It is placed with and is connected on sliding bar on boiler tube capping through-hole, to ensure the closing of the closure of temperature measurement stove burner hearth
Part.
4. film thermocouple according to claim 2 demarcates Special clamping device, it is characterised in that：
The boiler tube capping also has：
Washer is placed in the intermediate location of the first end face and second end face.
5. film thermocouple according to claim 1 demarcates Special clamping device, it is characterised in that：
It is provided with to fix when determining length that sliding bar is inserted into temperature measurement stove boiler tube on the barrel of the guide tube and slide
The positioning component of bar.
6. film thermocouple according to claim 1 demarcates Special clamping device, it is characterised in that：
The sliding bar upper end is provided with the movement of limit slippage bar to play the backing pin of position-limiting action.
7. film thermocouple according to claim 1 demarcates Special clamping device, it is characterised in that：
The clamp structure has：
Clamp rail is fixed in the sliding bar lower end；
Clamp distance fixing piece is fixed on the clamp rail；
Clamp distance adjustment part, by adjusting intermediate plate position is slided to clamp different size film thermocouples to be measured；
Bolt arrangement is adjusted with clamp distance adjustment part and in clamp distance to satisfactory through clamp distance fixing piece
Position of the clamp distance adjustment part on the clamp rail is fixed during clamp distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235377.3A CN108168737B (en) | 2018-03-21 | 2018-03-21 | Special isolation clamping device for thin film thermocouple calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235377.3A CN108168737B (en) | 2018-03-21 | 2018-03-21 | Special isolation clamping device for thin film thermocouple calibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108168737A true CN108168737A (en) | 2018-06-15 |
| CN108168737B CN108168737B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810235377.3A Active CN108168737B (en) | 2018-03-21 | 2018-03-21 | Special isolation clamping device for thin film thermocouple calibration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657902A (en) * | 2019-11-15 | 2020-01-07 | 大连交通大学 | Multifunctional clamping device for calibration of sheet-shaped thin-film thermocouple sensor |
| CN112345107A (en) * | 2020-12-02 | 2021-02-09 | 中北大学 | Temperature measuring device integrated with thin film thermocouple and micro-transducer element and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657902A (en) * | 2019-11-15 | 2020-01-07 | 大连交通大学 | Multifunctional clamping device for calibration of sheet-shaped thin-film thermocouple sensor |
| CN112345107A (en) * | 2020-12-02 | 2021-02-09 | 中北大学 | Temperature measuring device integrated with thin film thermocouple and micro-transducer element and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108168737B (en) | 2023-05-26 |
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