CN207937077U - One kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment - Google Patents
One kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment Download PDFInfo
- Publication number
- CN207937077U CN207937077U CN201820303444.6U CN201820303444U CN207937077U CN 207937077 U CN207937077 U CN 207937077U CN 201820303444 U CN201820303444 U CN 201820303444U CN 207937077 U CN207937077 U CN 207937077U
- Authority
- CN
- China
- Prior art keywords
- protective pipe
- outside protective
- insulation tube
- rhenium
- electrode
- 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.)
- Expired - Fee Related
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- DECCZIUVGMLHKQ-UHFFFAOYSA-N rhenium tungsten Chemical compound [W].[Re] DECCZIUVGMLHKQ-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 230000001590 oxidative effect Effects 0.000 title claims abstract description 15
- 230000003064 anti-oxidating effect Effects 0.000 title claims abstract description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 47
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000001681 protective effect Effects 0.000 claims abstract description 43
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 229910000679 solder Inorganic materials 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 239000000565 sealant Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 239000012671 ceramic insulating material Substances 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229940043774 zirconium oxide Drugs 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The utility model discloses one kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment, including outside protective pipe and electrode, the outside protective pipe is internally provided with insulation tube, and Wolfram rhenium heat electric couple solder joint is fixed on the left of insulation tube, it is provided with fluid sealant lid on the outside of the Wolfram rhenium heat electric couple solder joint, the inside of the insulation tube is equipped with Wolfram rhenium heat electric couple silk, and filler is filled between insulation tube and outside protective pipe, the right lateral surface of the outside protective pipe is provided with encapsulating mouth, and connection bolt is installed on the right side of encapsulating mouth, the centre of the electrode is provided with positive/negative plate, and electrode is located at the right side of connection bolt, it is welded with electrode plug on the right side of the electrode.This is carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment has stronger high temperature resistant and oxidation resistance; and the stability of thermoelectrical potential can be protected; the expensive platinum rhodium thermocouple of part value is not only may replace, but also applies also for the superhigh temperature field of certain special occasions.
Description
Technical field
The utility model is related to Thermocouples Technology field, specially one kind is carried out continuously pyrometric in an oxidizing environment
Anti-oxidation tungsten-rhenium thermo couple.
Background technology
Since thermocouple wire fusing point is high（3300℃）, electromotive force is big, high sensitivity, and temperature-potential linear relationship is good, heat
Stability is reliable, and the tungsten resource in China is abundant, and Wolfram rhenium heat electric couple price is relatively cheap, it might even be possible to part substitution noble metal
Thermocouple, so Wolfram rhenium heat electric couple becomes up-and-coming temperature-measurement material in high temperature test field.But Wolfram rhenium heat electric couple is simultaneously
The problem is that Wolfram rhenium heat electric couple easily aoxidizes, the meeting rapid oxidation especially in high temperature aerobic environment causes thermo wires crystallization disconnected
It opens, so the most important problem of Wolfram rhenium heat electric couple seeks to seal, the key of sealing is the selection of outside protective pipe, for this purpose, I
Propose it is a kind of there is stronger high temperature resistant and oxidation resistance, and the stability of thermoelectrical potential can be protected, not only may replace part
It is worth expensive platinum rhodium thermocouple, and applies also for the Wolfram rhenium heat electric couple in the superhigh temperature field of certain special occasions.
Utility model content
The purpose of this utility model is to provide one kind being carried out continuously pyrometric oxidation resistant tungsten-rhenium in an oxidizing environment
Thermocouple is easily aoxidized with solving Wolfram rhenium heat electric couple mentioned above in the background art, can be fast especially in high temperature aerobic environment
Speed oxidation, causes thermo wires to crystallize the problem of disconnecting.
To achieve the above object, the utility model provides the following technical solutions：One kind being carried out continuously height in an oxidizing environment
The anti-oxidation tungsten-rhenium thermo couple of temperature measurement, including outside protective pipe and electrode, the outside protective pipe are internally provided with insulation tube, and
It is fixed with Wolfram rhenium heat electric couple solder joint on the left of insulation tube, fluid sealant lid is provided on the outside of the Wolfram rhenium heat electric couple solder joint, it is described
The inside of insulation tube is equipped with Wolfram rhenium heat electric couple silk, and filler, the outer protection are filled between insulation tube and outside protective pipe
The right lateral surface of pipe is provided with encapsulating mouth, and connection bolt is equipped on the right side of encapsulating mouth, and the centre of the electrode is provided with just
Negative plate, and electrode is located at the right side of connection bolt, and electrode plug is welded on the right side of the electrode.
Preferably, central axes overlap between the outside protective pipe and insulation tube, and the left end of outside protective pipe is arc structure.
Preferably, the Wolfram rhenium heat electric couple solder joint constitutes sealing structure, and the central axes of fluid sealant lid by fluid sealant lid
It is located in same horizontal line with the central axes of outside protective pipe.
Preferably, the horizontal center line between the Wolfram rhenium heat electric couple silk about insulation tube is symmetrical, and Wolfram rhenium heat electric couple silk
Even thickness.
Preferably, the filler is evenly distributed between outside protective pipe and insulation tube, and outside protective pipe and insulation tube it
Between gap be connected to encapsulating mouth.
Preferably, it is fixed structure between connection bolt and the electrode, and it is spiral shell to connect between bolt and outside protective pipe
Line connects.
Compared with prior art, the utility model has the beneficial effects that：This is carried out continuously high temperature measurement in an oxidizing environment
Anti-oxidation tungsten-rhenium thermo couple there is stronger high temperature resistant and oxidation resistance, and the stability of thermoelectrical potential can be protected, not only may be used
Substitution part is worth expensive platinum rhodium thermocouple, and applies also for the superhigh temperature field of certain special occasions, outside protective pipe
Central axes overlap between insulation tube, are protected to Wolfram rhenium heat electric couple silk, and Wolfram rhenium heat electric couple solder joint is sealed with fluid sealant lid, melt
Point is high（3300℃）, electromotive force is big, high sensitivity, and temperature-potential linear relationship is good, and price is relatively cheap, Wolfram rhenium heat electric couple silk
Ensure that the normal work of Wolfram rhenium heat electric couple, filler are oxygen uptake ceramic insulating material, fully absorbs the oxygen element in pipe, ensure tungsten
Rhenium thermocouple wire and air exclusion, and do not reacted with outside protective pipe generation, double shielding completely cuts off air, electrode and outside protective pipe
Between by connect bolt be fixedly connected, ensure the normal use performance of Wolfram rhenium heat electric couple.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model external structure schematic diagram.
In figure：1, outside protective pipe, 2, insulation tube, 3, Wolfram rhenium heat electric couple solder joint, 4, fluid sealant lid, 5, Wolfram rhenium heat electric couple silk,
6, filler, 7, encapsulating mouth, 8, connection bolt, 9, electrode, 10, positive/negative plate, 11, electrode plug.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：One kind being carried out continuously high temperature side in an oxidizing environment
The anti-oxidation tungsten-rhenium thermo couple of amount, including outside protective pipe 1 and electrode 9, outside protective pipe 1 is internally provided with insulation tube 2, and insulate
The left side of pipe 2 is fixed with Wolfram rhenium heat electric couple solder joint 3, and central axes overlap between outside protective pipe 1 and insulation tube 2, and outside protective pipe 1
Left end is arc structure, and insulation tube 2 protects Wolfram rhenium heat electric couple silk 5, and the outside of Wolfram rhenium heat electric couple solder joint 3 is provided with sealing
Glue lid 4, Wolfram rhenium heat electric couple solder joint 3 constitute sealing structure, and the central axes of fluid sealant lid 4 and outside protective pipe 1 by fluid sealant lid 4
Central axes be located in same horizontal line, Wolfram rhenium heat electric couple solder joint 3 is sealed with fluid sealant lid 4, and fusing point is high（3300℃）, electromotive force
Greatly, high sensitivity, temperature-potential linear relationship is good, and price is relatively cheap, and the inside of insulation tube 2 is equipped with Wolfram rhenium heat electric couple silk
5, and filler 6 is filled between insulation tube 2 and outside protective pipe 1, in the level between Wolfram rhenium heat electric couple silk 5 about insulation tube 2
Heart line is symmetrical, and 5 even thickness of Wolfram rhenium heat electric couple silk, and Wolfram rhenium heat electric couple silk 5 ensures the normal work of Wolfram rhenium heat electric couple, filler
6 are evenly distributed between outside protective pipe 1 and insulation tube 2, and gap is connected to encapsulating mouth 7 between outside protective pipe 1 and insulation tube 2,
Filler 6 is oxygen uptake ceramic insulating material, fully absorbs the oxygen element in pipe, ensures Wolfram rhenium heat electric couple silk 5 and air exclusion, and
And do not reacted with the generation of outside protective pipe 1, double shielding completely cuts off air, and the right lateral surface of outside protective pipe 1 is provided with encapsulating mouth 7, and
The right side of encapsulating mouth 7 is equipped with connection bolt 8, and the centre of electrode 9 is provided with positive/negative plate 10, and electrode 9 is located at connection bolt 8
Right side, it is fixed structure to connect between bolt 8 and electrode 9, and is connected to be threadedly coupled between bolt 8 and outside protective pipe 1, electric
It is fixedly connected between pole 9 and outside protective pipe 1 by connecting bolt 8, ensures the normal use performance of Wolfram rhenium heat electric couple, the right side of electrode 9
Side is welded with electrode plug 11.
Operation principle：The W-Re 5- W-Res 26 of high stability are used for this kind of Wolfram rhenium heat electric couple（C-type）Thermocouple material
Material, Wolfram rhenium heat electric couple solder joint 3 are sealed with fluid sealant lid 4, and fusing point is high（3300℃）, electromotive force is big, high sensitivity, temperature-potential
Linear relationship is good, and price is relatively cheap, franchise 1.0%, the outside protective pipe 1 using tubular zirconium-oxide as Wolfram rhenium heat electric couple, outside
Filler 6 is filled with by encapsulating mouth 7 in protection pipe 1, filler 6 is oxygen uptake ceramic insulating material, fully absorbs the oxygen member in pipe
Element ensures Wolfram rhenium heat electric couple silk 5 and air exclusion, and is not reacted with the generation of outside protective pipe 1 that double shielding completely cuts off air, even
Electrode 9 is connect by connecting bolt 8 with outside protective pipe 1, ensures that the normal use performance of Wolfram rhenium heat electric couple, this thermocouple have relatively strong
High temperature resistant and oxidation resistance, and the stability of thermoelectrical potential can be protected, not only may replace the expensive platinum rhodium thermoelectricity of part value
It is even, and the superhigh temperature field of certain special occasions is applied also for, the use process of entire Wolfram rhenium heat electric couple is completed like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. one kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple, including outside protective pipe in an oxidizing environment（1）And electricity
Pole（9）, it is characterised in that：The outside protective pipe（1）Be internally provided with insulation tube（2）, and insulation tube（2）Left side be fixed with
Wolfram rhenium heat electric couple solder joint（3）, the Wolfram rhenium heat electric couple solder joint（3）Outside be provided with fluid sealant lid（4）, the insulation tube（2）
Inside Wolfram rhenium heat electric couple silk is installed（5）, and insulation tube（2）With outside protective pipe（1）Between be filled with filler（6）, described
Outside protective pipe（1）Right lateral surface be provided with encapsulating mouth（7）, and encapsulating mouth（7）Right side connection bolt is installed（8）, described
Electrode（9）Centre be provided with positive/negative plate（10）, and electrode（9）Positioned at connection bolt（8）Right side, the electrode（9）'s
Right side is welded with electrode plug（11）.
2. one kind according to claim 1 is carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment,
It is characterized in that：The outside protective pipe（1）With insulation tube（2）Between central axes overlap, and outside protective pipe（1）Left end be circular arc
Structure.
3. one kind according to claim 1 is carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment,
It is characterized in that：The Wolfram rhenium heat electric couple solder joint（3）Pass through fluid sealant lid（4）Constitute sealing structure, and fluid sealant lid（4）In
Axis and outside protective pipe（1）Central axes be located in same horizontal line.
4. one kind according to claim 1 is carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment,
It is characterized in that：The Wolfram rhenium heat electric couple silk（5）Between about insulation tube（2）Horizontal center line it is symmetrical, and Wolfram rhenium heat electric couple
Silk（5）Even thickness.
5. one kind according to claim 1 is carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment,
It is characterized in that：The filler（6）It is evenly distributed on outside protective pipe（1）With insulation tube（2）Between, and outside protective pipe（1）With
Insulation tube（2）Between gap and encapsulating mouth（7）Connection.
6. one kind according to claim 1 is carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment,
It is characterized in that：The connection bolt（8）With electrode（9）Between be fixed structure, and connect bolt（8）With outside protective pipe（1）
Between for be threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303444.6U CN207937077U (en) | 2018-03-06 | 2018-03-06 | One kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303444.6U CN207937077U (en) | 2018-03-06 | 2018-03-06 | One kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937077U true CN207937077U (en) | 2018-10-02 |
Family
ID=63653714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820303444.6U Expired - Fee Related CN207937077U (en) | 2018-03-06 | 2018-03-06 | One kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207937077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461394A (en) * | 2020-12-04 | 2021-03-09 | 中国科学院力学研究所 | High-spatial-resolution integrated construction method for thermocouple transient heat flow sensor |
| CN112697292A (en) * | 2020-12-17 | 2021-04-23 | 中国人民解放军63653部队 | Quick-response thermocouple for strong-impact dynamic load environment |
-
2018
- 2018-03-06 CN CN201820303444.6U patent/CN207937077U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461394A (en) * | 2020-12-04 | 2021-03-09 | 中国科学院力学研究所 | High-spatial-resolution integrated construction method for thermocouple transient heat flow sensor |
| CN112461394B (en) * | 2020-12-04 | 2021-06-15 | 中国科学院力学研究所 | High-spatial-resolution integrated construction method for thermocouple transient heat flow sensor |
| CN112697292A (en) * | 2020-12-17 | 2021-04-23 | 中国人民解放军63653部队 | Quick-response thermocouple for strong-impact dynamic load environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 |