CN220625586U - Environment-friendly high-temperature melt pressure sensor and transmitter - Google Patents
Environment-friendly high-temperature melt pressure sensor and transmitter Download PDFInfo
- Publication number
- CN220625586U CN220625586U CN202322393805.4U CN202322393805U CN220625586U CN 220625586 U CN220625586 U CN 220625586U CN 202322393805 U CN202322393805 U CN 202322393805U CN 220625586 U CN220625586 U CN 220625586U
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- elastic element
- threaded rod
- hollow threaded
- environment
- temperature melt
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 6
- 229910000601 superalloy Inorganic materials 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910000799 K alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910000816 inconels 718 Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Abstract
The utility model discloses an environment-friendly high-temperature melt pressure sensor and a transmitter, and particularly relates to the technical field of high-temperature melt pressure transmitters. According to the utility model, the protective connecting assembly is arranged, one part of the other end of the capillary tube and the medium filling tube and one part of the elastic element fixing piece are welded, so that the inner hole of the capillary tube is not blocked, the pressure elastic element and the elastic element fixing piece are welded, a space with a tiny gap can be formed between the pressure elastic element and the elastic element fixing piece, the pressure elastic element and the elastic element fixing piece are used as a filling medium, the diaphragm is made of nickel-based superalloy and thickened to 0.5mm, the residual stress in the processing process can be eliminated to the maximum extent, the environment-friendly function can be effectively realized, and meanwhile, the diaphragm is not easy to damage.
Description
Technical Field
The utility model relates to the technical field of high-temperature melt pressure transmitters, in particular to an environment-friendly high-temperature melt pressure sensor and a transmitter.
Background
The pressure sensor and the transducer are used for measuring the pressure of the high-temperature melt. It is composed of two parts: a sensor and a transmitter. The sensor is a part for directly contacting the molten mass and measuring the pressure. It is generally made of special materials, which are resistant to high temperatures and to attack by corrosive media. The pressure signal measured by the sensor is converted into an electrical signal. The transducer is the part that converts the electrical signal measured by the sensor into a standard signal output. It typically comprises an amplifier and a signal converter. The amplifier can enhance the weak electric signal measured by the sensor, and the signal converter converts the electric signal into a standard signal (for example, 4-20 mA or 0-10V), so that the signal is convenient to transmit and process, and is widely applied to pressure measurement and control of high-temperature fluid media of chemical fiber plastics, spinning, polyester, rubber-plastic machinery and other equipment.
However, the filling medium in the existing high-temperature melt pressure transmitter is mercury and extremely toxic, health threats exist to manufacturers and consumers, the thickness of the isolation diaphragm is only 0.12mm, and the isolation diaphragm is very fragile. The method has the advantages that strict protection is needed, the service life is not long, the pressure of a melt medium can only be measured at 400 ℃, the higher temperature required by the development of a high polymer material cannot be met, high-temperature silicone oil or sodium-potassium alloy is tried to be used as a filling medium by domestic and foreign factories, the high-temperature silicone oil has a large oil expansion coefficient at high temperature, the temperature drift of a product is large, the measured value is distorted, the maximum can only work below 280 ℃, the service life is extremely short, and the manufacturers at home and abroad have abandoned the medium. The sodium-potassium alloy has the hidden danger of inflammability and explosiveness, and once leakage occurs, the danger is great.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides an environment-friendly high-temperature melt pressure sensor and a transmitter, and aims to solve the problems in the background art.
The utility model is realized in such a way that the utility model provides the following technical scheme: the environment-friendly high-temperature melt pressure sensor and the transmitter comprise a hollow threaded rod for supporting, wherein a protective connecting assembly is arranged on the hollow threaded rod;
the protective connecting assembly comprises a shell arranged at one end of a hollow threaded rod, the hollow threaded rod is hollow, a capillary tube is arranged in the hollow threaded rod, and a diaphragm connected with the hollow threaded rod is arranged at one end, far away from the shell, of the hollow threaded rod;
the shell is detachably connected with the hollow threaded rod, and one end of the capillary tube penetrates through the hollow threaded rod and extends into the shell;
the hollow threaded rod is positioned at one end in the shell and positioned at the outer side of the capillary tube, an elastic element fixing piece is arranged at one side of the elastic element fixing piece, and a pressure elastic element is arranged at one side of the elastic element fixing piece
According to the technical scheme, one end of the diaphragm penetrates into the diaphragm and is welded on the end face, so that the inner hole of the capillary tube is not blocked, the other end of the capillary tube, one part of the medium filling tube and the elastic element fixing piece are welded, the inner hole of the capillary tube is not blocked, the pressure elastic element and the elastic element fixing piece are welded, and a space with a tiny gap can be formed between the pressure elastic element and the elastic element fixing piece and used as a filling medium;
optionally, in a possible implementation manner, the protection connection set further includes a medium filling pipe located at one end of the capillary tube, an aviation connector is disposed at one end of the casing away from the hollow threaded rod, an integrated circuit board is disposed at one side of an inner wall of the casing, the diaphragm is made of nickel-based superalloy, the diaphragm is thickened to 0.5mm, and a boss matched with the diaphragm and the capillary tube and used for welding is disposed at one end of the hollow threaded rod;
it can be seen that in the above technical scheme, the pressure elastic element can also be subjected to surface laser texturing treatment, a strain gauge is adhered, signals of the sensor are generated, the diaphragm is led into the boss of the hollow threaded rod, a micro-gap space is formed between the boss and the diaphragm, the micro-gap space is used as a filling medium, the pressure elastic element is connected with the integrated circuit board, signal transmission is performed through an aviation connector, the diaphragm is made of nickel-based superalloy, and the diaphragm is thickened to 0.5mm, so that residual stress in processing can be eliminated to the greatest extent.
The utility model has the technical effects and advantages that:
compared with the prior art, the protective connecting assembly is simple in overall design and reasonable in structure, one end of the membrane penetrates into the membrane and is welded on the end face through corresponding matching of the structures, the inner hole of the capillary is prevented from being blocked, the other end of the capillary, one of the medium filling pipe and the elastic element fixing piece is also welded, the inner hole of the capillary is prevented from being blocked, the pressure elastic element and the elastic element fixing piece are welded, and a small gap space can be formed between the pressure elastic element and the elastic element fixing piece and is used as a filling medium;
meanwhile, the pressure elastic element can be subjected to surface laser texturing treatment, a strain gauge is adhered, signals of a sensor are generated, the diaphragm is led into the boss of the hollow threaded rod, a small gap is formed between the boss and the diaphragm, the pressure elastic element is used as a filling medium, the pressure elastic element is connected with the integrated circuit board and is subjected to signal transmission through an aviation connector, the diaphragm is made of nickel-based superalloy and thickened to 0.5mm, residual stress in processing can be eliminated to the maximum extent, and the pressure elastic element has a green and environment-friendly function and is not easy to damage.
Drawings
In order to more clearly illustrate the technical solutions of the present disclosure, the drawings that need to be used in some embodiments of the present disclosure will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present disclosure, and other drawings may be obtained according to these drawings to those of ordinary skill in the art. Furthermore, the drawings in the following description may be regarded as schematic diagrams, not limiting the actual size of the products, the actual flow of the methods, the actual timing of the signals, etc. according to the embodiments of the present disclosure.
Fig. 1 is a front view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the hollow threaded rod and capillary connection of the present utility model.
Fig. 3 is a schematic view of a capillary tube, a media filled tube, an elastic element holder and a pressure elastic element according to the present utility model.
Fig. 4 is a circuit diagram of an integrated circuit board according to the present utility model.
The reference numerals are: 1. a hollow threaded rod; 2. a membrane; 3. a capillary tube; 4. a pressure elastic element; 5. a housing; 6. an aviation connector; 7. an integrated circuit board; 8. a medium filling tube; 9. an elastic element fixing piece.
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.
The environment-friendly high-temperature melt pressure sensor and the transmitter shown in the attached figures 1-4 ensure that the inner hole of the capillary tube 3 is not blocked through the protective connecting component arranged on the hollow threaded rod 1, the pressure elastic element 4 is welded with the elastic element fixing piece 9, a space with a tiny gap can be formed between the pressure elastic element 4 and the elastic element fixing piece 9, the pressure elastic element and the elastic element fixing piece are used as filling media, residual stress in processing can be eliminated to the greatest extent, the environment-friendly function can be effectively achieved, meanwhile, the pressure elastic element is not easy to damage, and the specific structure of the component is as follows;
the protective connecting assembly comprises a shell 5 arranged at one end of a hollow threaded rod 1, the hollow threaded rod 1 is hollow, a capillary tube 3 is arranged in the hollow threaded rod 1, and a diaphragm 2 connected with the hollow threaded rod 1 is arranged at one end, far away from the shell 5, of the hollow threaded rod 1;
the shell 5 is detachably connected with the hollow threaded rod 1, and one end of the capillary tube 3 penetrates through the hollow threaded rod 1 and extends into the shell 5;
the hollow threaded rod 1 is arranged at one end in the shell 5 and is arranged at the outer side of the capillary tube 3, an elastic element fixing piece 9 is arranged at one side of the elastic element fixing piece 9, and a pressure elastic element 4 is arranged at one side of the elastic element fixing piece 9
The protection coupling group still includes the medium filling pipe 8 that is located capillary 3 one end, and the one end that hollow threaded rod 1 was kept away from to casing 5 is provided with aviation connector 6, and the inner wall one side of casing 5 is provided with integrated circuit board 7, and diaphragm 2 is made by nickel base superalloy, and the diaphragm thickens to 0.5mm, and the one end of hollow threaded rod 1 is provided with and matches and be used for welded boss with diaphragm 2 and capillary 3.
When the structure is used, one end of the diaphragm 2 is penetrated into the diaphragm 2 and welded on the end face, so that the inner hole of the capillary tube 3 is not blocked, the other end of the capillary tube 3, the medium filling tube 8 and one of the parts in the elastic element fixing piece 9 are welded, so that the inner hole of the capillary tube 3 is not blocked, the pressure elastic element 4 and the elastic element fixing piece 9 are welded, and a space with a tiny gap can be formed between the pressure elastic element 4 and the elastic element fixing piece 9 to be used as a filling medium;
the pressure elastic element 4 can be used for generating signals of a sensor through surface laser texturing treatment and sticking a strain gauge, the diaphragm 2 is led into a boss of the hollow threaded rod 1, a space with a tiny gap is formed between the boss and the diaphragm 2 through welding treatment, the space is used as a filling medium, the pressure elastic element 4 is connected with the integrated circuit board 7, and the signals are transmitted through the aviation connector 6.
Meanwhile, in order to solve the problem that the isolation diaphragm is easy to break and prolong the service life, the diaphragm 2 is made of aviation material inconel718 and thickened to 0.5mm, and the manufacturing procedures of eliminating residual stress in processing to the maximum extent, forging, solution treatment, primary processing, eliminating processing stress, finishing, plating wear-resistant coating and the like can be carried out on the diaphragm.
The medium filling pipe 8 is used for filling the medium, the alloy liquid is heated and stirred, vacuumizing treatment is firstly carried out, the alloy liquid is ensured not to be contacted with air, the capillary 3 is vacuumized, and the alloy liquid is filled, so that rare gas argon is added, the rare gas argon is enabled to have certain pressure to act on the surface of the alloy liquid, the alloy liquid is enabled to be fully filled, the argon is isolated from air, and the alloy liquid is ensured not to be subjected to oxidation reaction.
The application discloses environment-friendly high temperature melt pressure sensor and transmitter, through guaranteeing that capillary 3 hole does not block up, welds pressure elastic element 4 and elastic element mounting 9, makes can form the space in a little clearance between pressure elastic element 4 and the elastic element mounting 9, uses as filling medium, can be for furthest eliminates the residual stress in the processing, can effectually play green's function, and is not fragile simultaneously.
The foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (6)
1. Environment-friendly high temperature melt pressure sensor and changer, its characterized in that: the support device comprises a hollow threaded rod (1) for supporting, wherein a protective connecting assembly is arranged on the hollow threaded rod (1);
the protective connecting assembly comprises a shell (5) arranged at one end of a hollow threaded rod (1), the hollow threaded rod (1) is hollow, a capillary tube (3) is arranged in the hollow threaded rod (1), and a diaphragm (2) connected with the hollow threaded rod (1) is arranged at one end, far away from the shell (5), of the hollow threaded rod (1);
the shell (5) is detachably connected with the hollow threaded rod (1), and one end of the capillary tube (3) penetrates through the hollow threaded rod (1) and extends into the shell (5);
the hollow threaded rod (1) is located at one end in the shell (5) and located at the outer side of the capillary tube (3) and is provided with an elastic element fixing piece (9), and one side of the elastic element fixing piece (9) is provided with a pressure elastic element (4).
2. The environment-friendly high-temperature melt pressure sensor and transmitter of claim 1, wherein: the protective connection group also comprises a medium filling pipe (8) positioned at one end of the capillary tube (3).
3. The environment-friendly high-temperature melt pressure sensor and transmitter of claim 1, wherein: one end of the shell (5) far away from the hollow threaded rod (1) is provided with an aviation connector (6).
4. The environment-friendly high-temperature melt pressure sensor and transmitter of claim 1, wherein: an integrated circuit board (7) is arranged on one side of the inner wall of the shell (5).
5. The environment-friendly high-temperature melt pressure sensor and transmitter of claim 1, wherein: the membrane (2) is made of nickel-based superalloy and is thickened to 0.5mm.
6. The environment-friendly high-temperature melt pressure sensor and transmitter of claim 1, wherein: one end of the hollow threaded rod (1) is provided with a boss which is matched with the membrane (2) and the capillary tube (3) and used for welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393805.4U CN220625586U (en) | 2023-09-05 | 2023-09-05 | Environment-friendly high-temperature melt pressure sensor and transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393805.4U CN220625586U (en) | 2023-09-05 | 2023-09-05 | Environment-friendly high-temperature melt pressure sensor and transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220625586U true CN220625586U (en) | 2024-03-19 |
Family
ID=90215693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322393805.4U Active CN220625586U (en) | 2023-09-05 | 2023-09-05 | Environment-friendly high-temperature melt pressure sensor and transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220625586U (en) |
-
2023
- 2023-09-05 CN CN202322393805.4U patent/CN220625586U/en active Active
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