CN220366919U - High temperature resistant thermocouple - Google Patents
High temperature resistant thermocouple Download PDFInfo
- Publication number
- CN220366919U CN220366919U CN202321172236.4U CN202321172236U CN220366919U CN 220366919 U CN220366919 U CN 220366919U CN 202321172236 U CN202321172236 U CN 202321172236U CN 220366919 U CN220366919 U CN 220366919U
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- Prior art keywords
- thermocouple
- protection tube
- high temperature
- junction box
- temperature resistant
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 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
- 238000005457 optimization Methods 0.000 description 1
Classifications
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- 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
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a high temperature resistant thermocouple, which comprises a thermocouple protection tube and a junction box, wherein the thermocouple protection tube is fixed at the bottom of the junction box, one side of the junction box is fixedly penetrated with a wire outlet, the surface of the thermocouple protection tube is connected with a flange plate in a threaded manner, four sliding grooves are uniformly distributed in the flange plate, the sliding grooves are internally connected with fixing blocks in a sliding manner, and fixing holes are formed in the fixing blocks in a penetrating manner. According to the high-temperature-resistant thermocouple provided by the utility model, the fixing holes on the fixing blocks are respectively aligned with the fixing threaded holes formed in the pipeline through the fixing blocks sliding in the sliding grooves, then the flange plate is fixed on the pipeline through the screws, and the device can adapt to the pipeline fixing threaded holes with different intervals when in use through the adjustable fixing holes, so that the tightness of the thermocouple is ensured through the structural arrangement, and the service life and the overall performance of the thermocouple are ensured.
Description
Technical Field
The utility model relates to the technical field of thermocouples, in particular to a high-temperature-resistant thermocouple.
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 publication number is: the utility model provides a thermocouple of high temperature resistant of CN212779624U, includes the terminal box, the top threaded connection of terminal box has the lid, the left side intercommunication of terminal box surface has the lead-out wire sleeve pipe, the top of lid surface is provided with first bolt, the lower surface fixedly connected with terminal box has the terminal tube, the inner wall threaded connection of terminal tube has first protection tube, the right side threaded connection of terminal tube surface has the second bolt. This thermocouple of high temperature resistance has realized the protection to insulating pearl pipe and electric heat end through being provided with first protection tube and second protection tube, makes this thermocouple can normally work, avoids it to receive the damage, and first fixed cover and the fixed cover of second pass through second draw-in groove and second fixture block joint have realized the protection to flange, and flange produces the not hard up condition when avoiding long-time use, avoids influencing the use of this thermocouple.
When the device is used, the electric heating end is inserted into a pipeline needing temperature measurement and is fixedly connected with an external pipeline through the connecting flange.
However, when the present inventors embodied this device, the following drawbacks were found to exist: the fixed orifices on the above-mentioned device flange can't be adjusted, consequently can't adapt to the pipeline fixed screw hole of different intervals, and the suitability is relatively poor when using, and for this reason, this application proposes high temperature resistant thermocouple and put into use to solve the problem that exists among the above-mentioned patent.
Disclosure of Invention
Based on this, it is necessary to provide a high temperature resistant thermocouple for the above technical problem, through the fixed block of sliding in the spout inside, aim at the fixed screw hole of seting up on the pipeline respectively with the fixed orifices on the fixed block, then use the screw to fix the ring flange on the pipeline, through adjustable fixed orifices for the pipeline fixed screw hole of different intervals can be adapted to when the device is used, the suitability of hoisting device.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the high temperature resistant thermocouple specifically comprises: the thermocouple protection tube is fixed at the bottom of the junction box, one side of the junction box is fixedly provided with a wire outlet in a penetrating mode, the surface of the thermocouple protection tube is connected with a flange plate in a threaded mode, four sliding grooves are uniformly distributed in the flange plate, fixing blocks are connected in a sliding mode in the sliding grooves, and fixing holes are formed in the fixing blocks in a penetrating mode.
As a preferred implementation mode of the high-temperature-resistant thermocouple provided by the utility model, guide grooves are symmetrically formed in the sliding grooves, guide blocks are symmetrically fixed on two sides of the fixed block, and the guide blocks are respectively and slidably connected in the guide grooves.
As a preferred implementation mode of the high-temperature-resistant thermocouple provided by the utility model, the surface of the thermocouple protection tube is connected with a hexagonal nut in a threaded manner, the hexagonal nut is positioned above the flange, and a rubber gasket is arranged between the hexagonal nut and the flange.
As a preferred implementation mode of the high-temperature-resistant thermocouple provided by the utility model, the top of the junction box is connected with a top cover in a threaded manner, and an outer hexagonal screw head is fixed at the top of the top cover.
As a preferred implementation mode of the high-temperature-resistant thermocouple provided by the utility model, a limit sleeve is fixed in the wire outlet and positioned on one side close to the junction box, a hollow bolt is connected with the wire outlet at one end far away from the junction box through internal threads, and a rubber column is arranged between the hollow bolt and the limit sleeve.
As a preferred implementation mode of the high temperature resistant thermocouple provided by the utility model, the side surface of the rubber column is provided with the second inclined surface, and the first inclined surface is arranged in the hollow bolt and positioned at one end close to the rubber column.
As a preferred implementation mode of the high-temperature-resistant thermocouple provided by the utility model, a wire holder is fixed in the junction box, a high-temperature-resistant ceramic layer is fixed in the thermocouple protection tube, a hot electrode is arranged at the bottom of the inner side of the thermocouple protection tube and is positioned in the high-temperature-resistant ceramic layer, and the hot electrode is electrically connected with the wire holder.
Compared with the prior art, the utility model has the following beneficial effects:
1. through the fixed block of sliding inside the spout, aim at the fixed orifices on the fixed block respectively the fixed screw hole of seting up on the pipeline, then use the screw to fix the ring flange on the pipeline, through adjustable fixed orifices for the device can adapt to the pipeline fixed screw hole of different intervals when using, hoisting device's suitability.
2. The height of the flange plate on the thermocouple protecting pipe is adjusted by rotating the flange plate, so that the length of the thermocouple protecting pipe extending into the pipeline is adjusted, and the device can adapt to pipelines with different diameters.
3. The hexagonal nut is screwed by using the tool, so that the hexagonal nut moves towards the direction close to the flange plate, the rubber gasket is extruded, the rubber gasket is deformed when being pressed, gaps among the hexagonal nut, the flange plate and the thermocouple protection tube are filled, water seepage in the pipeline is avoided, and the use stability of the device is further improved.
4. The hollow bolt is driven to move in the direction close to the limit sleeve by screwing, so that the rubber column is extruded, deformation is caused to the rubber column, gaps between the wire outlet and the wire are filled after the rubber column is deformed, and rainwater is prevented from flowing into the junction box along the wire.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the flange plate of the present utility model;
FIG. 3 is a schematic view of the present utility model in whole section;
fig. 4 is a schematic view of the structure of the inside of the outlet of the present utility model.
The labels in the figures are illustrated below:
1. a thermocouple protection tube; 2. a junction box; 3. a top cover; 4. an outer hexagonal screw head; 5. a wire outlet; 6. a flange plate; 7. a hexagonal nut; 8. a first inclined surface; 9. a hollow bolt; 10. a guide block; 11. a fixing hole; 12. a guide groove; 13. a fixed block; 14. a rubber gasket; 15. a second inclined surface; 16. a limit sleeve; 17. a rubber column; 18. a high temperature resistant ceramic layer; 19. a chute; 20. a hot electrode; 21. and a wire holder.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As mentioned in the background art, the fixing holes on the connecting flange of the high-temperature-resistant thermocouple cannot be adjusted, so that the thermocouple cannot adapt to pipeline fixing threaded holes with different intervals, and the thermocouple is poor in applicability in use.
In order to solve the technical problem, the utility model provides a high-temperature-resistant thermocouple.
Specifically, referring to fig. 1-3, the high temperature resistant thermocouple specifically includes: the thermocouple protection tube 1 and the junction box 2, the thermocouple protection tube 1 is fixed in the bottom of the junction box 2, one side of the junction box 2 is fixedly provided with a wire outlet 5 in a penetrating mode, the surface of the thermocouple protection tube 1 is connected with a flange 6 in a threaded mode, four sliding grooves 19 are uniformly distributed in the flange 6, the inner portions of the sliding grooves 19 are slidably connected with fixing blocks 13, and fixing holes 11 are formed in the inner portions of the fixing blocks 13 in a penetrating mode.
According to the high-temperature-resistant thermocouple provided by the utility model, the fixing holes 11 on the fixing blocks 13 are respectively aligned with the fixing threaded holes formed in the pipeline by sliding the fixing blocks 13 in the sliding grooves 19, then the flange plate 6 is fixed on the pipeline by using the screws, and the device can adapt to the pipeline fixing threaded holes with different intervals when in use by the adjustable fixing holes 11, so that the applicability of the device is improved.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Referring to figures 1-2 of the drawings,
the electric heating device comprises a thermocouple protection tube 1 and a junction box 2, wherein the thermocouple protection tube 1 is fixed at the bottom of the junction box 2, one side of the junction box 2 is fixedly penetrated by a wire outlet 5, and the thermocouple protection tube 1 and the junction box 2 are particularly used for isolating an internal structure from the outside;
the surface of the thermocouple protection tube 1 is connected with a flange 6 through threads, the surface of the thermocouple protection tube 1 is connected with the surface of the thermocouple protection tube 1 through threads of the flange 6 for adjusting the length of the thermocouple protection tube 1 inserted into a pipeline, four sliding grooves 19 are uniformly distributed in the flange 6, fixing blocks 13 are slidably connected in the sliding grooves 19, fixing holes 11 are formed in the fixing blocks 13 in a penetrating mode, specifically, when the thermocouple protection tube is used, the height of the flange 6 on the thermocouple protection tube 1 is adjusted through rotating the flange 6 according to the diameter of the pipeline, so that the length of the thermocouple protection tube 1 extending into the pipeline is adjusted, the thermocouple protection tube 1 can adapt to pipelines with different diameters, when the thermocouple protection tube is fixed on the pipeline, the fixing holes 11 on the fixing blocks 13 are aligned with the fixing threaded holes formed in the pipeline respectively through sliding the fixing blocks 13, then the flange 6 is fixed on the pipeline through screws, and when the thermocouple protection tube is used, the thermocouple protection tube is adaptive to the fixing threaded holes with different distances in the pipeline through the adjustable fixing holes 11, and the applicability of the thermocouple protection tube is improved;
the inside of the sliding chute 19 is symmetrically provided with the guide grooves 12, the two sides of the fixed block 13 are symmetrically fixed with the guide blocks 10, and the guide blocks 10 are respectively and slidably connected in the guide grooves 12 for guiding and limiting the fixed block 13, so that the use stability of the device is improved;
the surface of the thermocouple protection tube 1 is connected with a hexagonal nut 7 in a threaded manner, the hexagonal nut 7 is positioned above the flange plate 6, a rubber gasket 14 is arranged between the hexagonal nut 7 and the flange plate 6, specifically, after the flange plate 6 is fixed, the hexagonal nut 7 is screwed by using a tool, so that the hexagonal nut 7 moves towards the direction close to the flange plate 6, the rubber gasket 14 is extruded, the rubber gasket 14 is deformed when being pressed, and then gaps among the hexagonal nut 7, the flange plate 6 and the thermocouple protection tube 1 are filled, water seepage in a pipeline is avoided, and the use stability of the device is further improved;
the top of the junction box 2 is in threaded connection with a top cover 3, the inside of the junction box 2 is isolated from the outside through the top cover 3, an outer hexagonal screw head 4 is fixed at the top of the top cover 3, the top cover 3 is convenient to detach and lock through the outer hexagonal screw head 4, and the portability of the device in use is improved;
the inside of terminal box 2 is fixed with wire holder 21, and the inside of thermocouple protection tube 1 is fixed with high temperature resistant ceramic layer 18, and high temperature resistant ceramic layer 18 is used for insulating between thermode 20 and thermocouple protection tube 1, and the inside bottom of thermocouple protection tube 1 is provided with thermode 20, and thermode 20 is located the inside of high temperature resistant ceramic layer 18, thermode 20 and wire holder 21 electric connection.
Example 2
Further optimization of the high temperature resistant thermocouple provided in example 1, and in particular, with reference to figures 3-4,
a limit sleeve 16 is fixed in the wire outlet 5 and positioned at one side close to the junction box 2, a hollow bolt 9 is connected with the inner thread of one end of the wire outlet 5 far away from the junction box 2, a rubber column 17 is arranged between the hollow bolt 9 and the limit sleeve 16, when the wire outlet is used, an output wire penetrates out of the limit sleeve 16, the rubber column 17 and the hollow bolt 9, the hollow bolt 9 is screwed to enable the hollow bolt 9 to move towards the direction close to the limit sleeve 16, so that the rubber column 17 is extruded, the rubber column 17 is deformed, the rubber column 17 is used for filling gaps between the wire outlet 5 and the wire after deformation, and rainwater is prevented from flowing into the junction box 2 along the wire;
the second inclined plane 15 has been seted up to the side of rubber post 17, and the first inclined plane 8 has been seted up to the inside of hollow bolt 9 and be located the one end that is close to rubber post 17 for second inclined plane 15 can warp towards the direction of output wire through second inclined plane 15 and high temperature resistant ceramic layer 18, thereby promotes the sealed effect of outlet 5.
The use process of the high-temperature-resistant thermocouple provided by the utility model is as follows:
technical principle: when the device is used, the height of the flange 6 on the thermocouple protection tube 1 is adjusted by rotating the flange 6 according to the diameter of a pipeline, so that the length of the thermocouple protection tube 1 extending into the pipeline is adjusted, when the device is fixed on the pipeline, the fixing holes 11 on the fixing blocks 13 are respectively aligned with the fixing threaded holes formed in the pipeline by sliding the fixing blocks 13 in the sliding grooves 19, then the flange 6 is fixed on the pipeline by using screws, the hexagonal nut 7 is moved towards the direction close to the flange 6 by screwing the hexagonal nut 7 by using a tool, the rubber gasket 14 is extruded, the rubber gasket 14 is deformed when being pressed, gaps among the hexagonal nut 7, the flange 6 and the thermocouple protection tube 1 are filled, the hollow bolts 9 are moved towards the direction close to the limiting sleeve 16 by screwing the hollow bolts 9, the rubber columns 17 are extruded, the rubber columns 17 are deformed, and the rubber columns 17 are used for filling gaps between the outlet 5 and the wires after being deformed.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (7)
1. The high temperature resistant thermocouple is characterized by comprising a thermocouple protection tube (1) and a junction box (2), wherein the thermocouple protection tube (1) is fixed at the bottom of the junction box (2), and a wire outlet (5) is fixedly penetrated at one side of the junction box (2);
the thermocouple protection tube is characterized in that the flange plate (6) is connected to the surface of the thermocouple protection tube (1) in a threaded mode, four sliding grooves (19) are uniformly distributed in the flange plate (6), fixing blocks (13) are connected to the sliding grooves (19) in a sliding mode, and fixing holes (11) are formed in the fixing blocks (13) in a penetrating mode.
2. The high temperature resistant thermocouple of claim 1, wherein guide grooves (12) are symmetrically formed in the sliding grooves (19), guide blocks (10) are symmetrically fixed on two sides of the fixed block (13), and the guide blocks (10) are respectively and slidably connected in the guide grooves (12).
3. The high temperature resistant thermocouple according to claim 1, wherein the surface of the thermocouple protection tube (1) is in threaded connection with a hexagonal nut (7), the hexagonal nut (7) is located above the flange plate (6), and a rubber gasket (14) is arranged between the hexagonal nut (7) and the flange plate (6).
4. The high temperature resistant thermocouple of claim 1, wherein a top cover (3) is connected to the top of the junction box (2) in a threaded manner, and an outer hexagonal screw head (4) is fixed to the top of the top cover (3).
5. The high temperature resistant thermocouple according to claim 1, wherein a limit sleeve (16) is fixed in the wire outlet (5) and positioned on one side close to the junction box (2), a hollow bolt (9) is connected to the wire outlet (5) at one end far away from the junction box (2) through internal threads, and a rubber column (17) is arranged between the hollow bolt (9) and the limit sleeve (16).
6. The high temperature resistant thermocouple of claim 5, wherein the side surface of the rubber column (17) is provided with a second inclined surface (15), and the inner part of the hollow bolt (9) is provided with a first inclined surface (8) at one end close to the rubber column (17).
7. The high temperature resistant thermocouple of claim 1, wherein a wire holder (21) is fixed inside the junction box (2), a high temperature resistant ceramic layer (18) is fixed inside the thermocouple protection tube (1), a hot electrode (20) is arranged at the bottom of the inner side of the thermocouple protection tube (1), the hot electrode (20) is positioned inside the high temperature resistant ceramic layer (18), and the hot electrode (20) is electrically connected with the wire holder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321172236.4U CN220366919U (en) | 2023-05-16 | 2023-05-16 | High temperature resistant thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321172236.4U CN220366919U (en) | 2023-05-16 | 2023-05-16 | High temperature resistant thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220366919U true CN220366919U (en) | 2024-01-19 |
Family
ID=89519836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321172236.4U Active CN220366919U (en) | 2023-05-16 | 2023-05-16 | High temperature resistant thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220366919U (en) |
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2023
- 2023-05-16 CN CN202321172236.4U patent/CN220366919U/en active Active
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