CN220893600U - Super-temperature thermocouple measuring point - Google Patents
Super-temperature thermocouple measuring point Download PDFInfo
- Publication number
- CN220893600U CN220893600U CN202322555951.2U CN202322555951U CN220893600U CN 220893600 U CN220893600 U CN 220893600U CN 202322555951 U CN202322555951 U CN 202322555951U CN 220893600 U CN220893600 U CN 220893600U
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- CN
- China
- Prior art keywords
- thermocouple
- protective sleeve
- temperature
- measuring point
- flow
- Prior art date
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Links
- 230000001681 protective effect Effects 0.000 claims abstract description 47
- 239000004642 Polyimide Substances 0.000 claims abstract description 21
- 229920001721 polyimide Polymers 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 6
- 238000003466 welding Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000009529 body temperature measurement Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model relates to the technical field of temperature measurement and discloses an ultra-temperature thermocouple measuring point which comprises a thermocouple measuring point, wherein the thermocouple measuring point comprises a thermocouple body, a polyimide layer, a flow guide pipe, a flow guide hole, a protective sleeve I, a flow guide plate, a lead, a protective sleeve II, a fixed pipe and a supporting rod. The high-temperature thermocouple measuring point high-flow-rate gas is in front of the thermocouple body contact, the first protective sleeve and the polyimide layer are arranged to prevent the high-temperature thermocouple measuring point high-flow-rate gas from directly contacting with the thermocouple, the gas can flow through the diversion pipe firstly and the diversion hole, the local impact force is less, and meanwhile, the gas can enter the diversion hole more easily due to the arrangement of the diversion plate, so that the impact of the high-temperature high-flow-rate gas on the thermocouple body is weakened, and the service life is prolonged. And the welding position of the thermocouple body and the wire can be protected through the protective sleeve II, and meanwhile, the arrangement of the support rod and the fixed tube can lead the welding position of the wire and the thermocouple body to be difficult to bend.
Description
Technical Field
The utility model relates to the technical field of temperature measurement, in particular to an ultra-temperature thermocouple measuring point.
Background
Thermocouples are commonly used temperature measuring elements in temperature measuring instruments, which directly measure temperature and convert temperature signals into thermoelectromotive signals, which are converted into the temperature of the medium to be measured by an electrical instrument (secondary instrument). The external forms of the thermocouples are very different according to the needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are usually composed of main parts such as a hot electrode, an insulating sleeve protection tube, a junction box and the like, and are usually matched with a display instrument, a recording instrument and an electronic regulator.
The existing thermocouple is easy to be flushed by high-temperature high-flow-rate gas in the thermocouple when detecting the temperature of some equipment, so that the service life of the thermocouple is reduced.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an ultra-temperature thermocouple measuring point, which is provided with a flow guide pipe, a flow guide plate, a flow guide hole, a first protective sleeve and a polyimide layer, so that high-temperature high-flow-rate gas is prevented from directly contacting with a thermocouple before the thermocouple body contacts, the gas can be divided through the flow guide pipe through the flow guide hole firstly due to the arrangement of the first protective sleeve and the polyimide layer, the local impact force is reduced, and meanwhile, the gas can enter the flow guide hole more easily due to the arrangement of the flow guide plate, so that the impact of the high-temperature high-flow-rate gas on the thermocouple body is weakened, the service life is prolonged, and the like.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the ultra-temperature thermocouple measuring point comprises a thermocouple measuring point, wherein the thermocouple measuring point comprises a thermocouple body, a polyimide layer, a flow guide pipe, a flow guide hole, a first protective sleeve, a flow guide plate, a lead, a second protective sleeve, a fixed pipe and a supporting rod;
the thermocouple comprises a thermocouple body, and is characterized in that a guide pipe is arranged on the arc surface of the thermocouple body, a plurality of guide holes are formed in the arc surface of the guide pipe, a plurality of guide plates are arranged on the inner wall of the guide pipe, a first protective sleeve is arranged on the arc surface of the thermocouple body, and a polyimide layer is arranged on the arc surface of the first protective sleeve.
Preferably, a wire is fixedly arranged at one end of the thermocouple body, and a connector is arranged at one end of the wire.
Through above-mentioned technical scheme for can connect the connector connection terminal of wire one end, the thermocouple body can carry out temperature detection.
Preferably, a second protective sleeve is fixedly arranged at one end of the thermocouple body, the second protective sleeve covers the arc-shaped surface of the lead part, a fixed pipe is fixedly arranged on the arc-shaped surface of the lead, and the surface of the fixed pipe is fixedly connected with one end of the second protective sleeve through a supporting rod.
Through above-mentioned technical scheme for thermocouple body and wire weld and connect department accessible protective sheath two protect, the setting of bracing piece and fixed pipe can make wire and thermocouple body weld and connect the department difficult buckling simultaneously.
Preferably, the arc surface of the thermocouple body is fixedly provided with a first protective sleeve, and the arc surface of the first protective sleeve is fixedly connected with a polyimide layer.
Through above-mentioned technical scheme for the accessible protective sheath one sets up with the polyimide layer, increases the high temperature resistance of thermocouple body.
Preferably, the arc surface of the thermocouple body is fixedly provided with a flow guide pipe, the inner wall of the flow guide pipe is provided with a plurality of flow guide holes in a penetrating mode, and the outer eave of the flow guide holes in the inner wall of the flow guide pipe is fixedly provided with a flow guide plate.
Through above-mentioned technical scheme for high temperature high flow rate gas is in before thermocouple body contact, owing to the setting on protective sheath one and polyimide layer, can prevent its direct and thermocouple body contact, can earlier through the honeycomb duct, shunts through the water conservancy diversion hole, less local impact force, and the setting of deflector simultaneously can make gas get into the water conservancy diversion hole more easily, thereby makes high temperature high flow rate gas weaken the impact of thermocouple body, increase life.
Compared with the prior art, the utility model provides an ultra-temperature thermocouple measuring point, which comprises the following components
The beneficial effects are that:
1. according to the utility model, the flow guide pipe, the flow guide plate, the flow guide hole, the first protective sleeve and the polyimide layer are adopted, so that the high-temperature high-flow-rate gas is prevented from directly contacting the thermocouple due to the arrangement of the first protective sleeve and the polyimide layer before the thermocouple body contacts, the gas can flow through the flow guide pipe firstly and is split through the flow guide hole, the local impact force is less, and meanwhile, the gas can enter the flow guide hole more easily due to the arrangement of the flow guide plate, so that the impact of the high-temperature high-flow-rate gas on the thermocouple body is weakened, and the service life is prolonged.
2. According to the utility model, the welding part of the thermocouple body and the lead can be protected through the protective sleeve II, and the welding part of the lead and the thermocouple body is not easy to bend due to the arrangement of the support rod and the fixing tube.
Drawings
FIG. 1 is a schematic diagram of the front of the structure of the present utility model;
FIG. 2 is a schematic view of the bottom surface of the draft tube of the present utility model;
fig. 3 is a schematic bottom view of the structural protective sleeve of the present utility model.
Wherein: 1. thermocouple measuring points; 2. a thermocouple body; 3. a polyimide layer; 4. a flow guiding pipe; 5. a deflector aperture; 6. a first protective sleeve; 7. a deflector; 8. a wire; 9. a protective sleeve II; 10. a fixed tube; 11. and (5) supporting the rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an ultra-temperature thermocouple measuring point comprises a thermocouple measuring point 1, wherein the thermocouple measuring point 1 comprises a thermocouple body 2, a polyimide layer 3, a flow guide pipe 4, a flow guide hole 5, a first protective sleeve 6, a flow guide plate 7, a lead 8, a second protective sleeve 9, a fixed pipe 10 and a supporting rod 11;
The thermocouple body 2 arc surface is provided with honeycomb duct 4, and honeycomb duct 4 arc surface is provided with a plurality of water conservancy diversion holes 5, and honeycomb duct 4 inner wall is provided with a plurality of guide plates 7, and thermocouple body 2 arc surface is provided with protective sheath one 6, and protective sheath one 6 arc surface is provided with polyimide layer 3.
Specifically, thermocouple body 2 one end fixed mounting has wire 8, and wire 8 one end is provided with the connector. The advantage is, makes the connector connection terminal of wire 8 one end, and thermocouple body 2 can carry out temperature detection.
Specifically, thermocouple body 2 one end fixed mounting has protective sheath two 9, and protective sheath two 9 cover wire 8 part arc surface, and wire 8 arc surface fixed mounting has fixed pipe 10, and fixed pipe 10 surface passes through bracing piece 11 and protective sheath two 9 one end fixed connection. The thermocouple has the advantages that the welding position of the thermocouple body 2 and the lead wire 8 can be protected through the second protective sleeve 9, and meanwhile, the lead wire 8 and the thermocouple body 2 are not easy to bend due to the arrangement of the supporting rod 11 and the fixed tube 10.
Specifically, the arc surface of thermocouple body 2 is fixedly installed with protective sheath one 6, and protective sheath one 6 arc surface fixedly connected with one deck polyimide layer 3. The thermocouple has the advantages that the high temperature resistance of the thermocouple body 2 can be increased through the arrangement of the first protective sleeve 6 and the polyimide layer 3.
Specifically, thermocouple body 2 arc surface fixed mounting has honeycomb duct 4, and the honeycomb duct 4 inner wall runs through and is provided with a plurality of water conservancy diversion holes 5, and the outer eaves fixed mounting of water conservancy diversion hole 5 of honeycomb duct 4 inner wall has guide plate 7. The advantage is, make high temperature high flow rate gas lie in thermocouple body 2 before contacting, owing to the setting of protective sheath one 6 and polyimide layer 3, can prevent that it from directly contacting with thermocouple body 2, can earlier pass through honeycomb duct 4, shunts through water conservancy diversion hole 5, less local impact force, and the setting of deflector 7 can make gas get into water conservancy diversion hole 5 more easily simultaneously to make high temperature high flow rate gas impact attenuation to thermocouple body 2, increase life.
When the thermocouple is used, the connector of the lead 8 can be connected with a terminal, the thermocouple body 2 is used for temperature detection, high-temperature high-flow-rate gas is in front of the thermocouple body 2 in detection, the first protective sleeve 6 and the polyimide layer 3 are arranged to prevent the high-temperature high-flow-rate gas from directly contacting the thermocouple body 2, the gas can be split through the guide pipe 4 through the guide hole 5, the local impact force is less, the gas can enter the guide hole 5 more easily through the arrangement of the guide plate 7, so that the impact of the high-temperature high-flow-rate gas on the thermocouple body 2 is weakened, the service life is prolonged, the welding position of the thermocouple body 2 and the lead 8 can be protected through the second protective sleeve 9, and meanwhile, the support rod 11 and the fixing pipe 10 can enable the welding position of the lead 8 and the thermocouple body 2 to be difficult to bend.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an ultra-temperature thermocouple measurement point, includes thermocouple measurement point (1), its characterized in that: the thermocouple measuring point (1) comprises a thermocouple body (2), a polyimide layer (3), a honeycomb duct (4), a guide hole (5), a first protective sleeve (6), a guide plate (7), a lead (8), a second protective sleeve (9), a fixed pipe (10) and a supporting rod (11);
Thermocouple body (2) arc surface is provided with honeycomb duct (4), honeycomb duct (4) arc surface is provided with a plurality of water conservancy diversion holes (5), honeycomb duct (4) inner wall is provided with a plurality of guide plates (7) thermocouple body (2) arc surface is provided with protective sheath one (6), protective sheath one (6) arc surface is provided with polyimide layer (3).
2. The ultra-temperature thermocouple measurement point according to claim 1, wherein: one end of the thermocouple body (2) is fixedly provided with a wire (8), and one end of the wire (8) is provided with a connector.
3. The ultra-temperature thermocouple measurement point according to claim 1, wherein: thermocouple body (2) one end fixed mounting has protective sheath two (9), protective sheath two (9) cover wire (8) part arc surface, wire (8) arc surface fixed mounting has fixed pipe (10), fixed pipe (10) surface passes through bracing piece (11) and protective sheath two (9) one end fixed connection.
4. The ultra-temperature thermocouple measurement point according to claim 1, wherein: the thermocouple is characterized in that a first protective sleeve (6) is fixedly arranged on the arc-shaped surface of the thermocouple body (2), and a polyimide layer (3) is fixedly connected to the arc-shaped surface of the first protective sleeve (6).
5. The ultra-temperature thermocouple measurement point according to claim 1, wherein: the thermocouple is characterized in that the arc-shaped surface of the thermocouple body (2) is fixedly provided with a guide pipe (4), a plurality of guide holes (5) are formed in the inner wall of the guide pipe (4) in a penetrating mode, and a guide plate (7) is fixedly arranged on the outer eave of the guide holes (5) in the inner wall of the guide pipe (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322555951.2U CN220893600U (en) | 2023-09-20 | 2023-09-20 | Super-temperature thermocouple measuring point |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322555951.2U CN220893600U (en) | 2023-09-20 | 2023-09-20 | Super-temperature thermocouple measuring point |
Publications (1)
Publication Number | Publication Date |
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CN220893600U true CN220893600U (en) | 2024-05-03 |
Family
ID=90880109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322555951.2U Active CN220893600U (en) | 2023-09-20 | 2023-09-20 | Super-temperature thermocouple measuring point |
Country Status (1)
Country | Link |
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CN (1) | CN220893600U (en) |
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2023
- 2023-09-20 CN CN202322555951.2U patent/CN220893600U/en active Active
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