CN219301856U - Novel corrosion-resistant temperature and pressure integrated sensor - Google Patents
Novel corrosion-resistant temperature and pressure integrated sensor Download PDFInfo
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- CN219301856U CN219301856U CN202320353490.8U CN202320353490U CN219301856U CN 219301856 U CN219301856 U CN 219301856U CN 202320353490 U CN202320353490 U CN 202320353490U CN 219301856 U CN219301856 U CN 219301856U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model relates to a novel corrosion-resistant temperature and pressure integrated sensor, which comprises a base, wherein one side of the inside of the base is provided with an oil filling hole in advance, silicone oil is filled into the inside of the base through the oil filling hole, a steel ball is arranged above the oil filling hole, the oil filling hole is sealed by the steel ball through a welding technology, one side of the inside of the base, which is far away from the oil filling hole, is provided with a blind hole in advance, the blind hole is provided with a temperature resistor, a pin of the temperature resistor is electrically connected with an integrated circuit board, the integrated circuit board is also provided with a guide pillar which is electrically connected with the guide pillar in a soldering manner, the part of the guide pillar, which is positioned inside the base, is provided with glass, the base is connected with the guide pillar through a glass sintering technology, a pressure chip is bonded on the base, and the pressure chip is connected with the tail end of the guide pillar, which is positioned inside the silicone oil, through a set bridge wire, so as to form a complete signal transmission path.
Description
Technical Field
The utility model relates to the technical field of measurement, in particular to a novel corrosion-resistant temperature and pressure integrated sensor.
Background
In many industrial applications, real-time monitoring of the temperature and pressure values of the measured medium is required, and the measured medium is often a liquid with certain corrosiveness, and a common measurement scheme is to separately select a temperature sensor and a pressure sensor with isolation packaging, but some integration of temperature and pressure measurement into one sensor also appears, but many manufacturers directly integrate and install a standard temperature resistor at the back end of the original pressure sensor.
However, researches show that although the sensor with the structure can measure temperature and pressure values at the same time, the temperature resistor is arranged at a position far away from a measured medium, so that the temperature is measured not in real time, but is closer to the ambient temperature of the area to which the sensor belongs, and thus the accuracy and the real-time performance of temperature measurement cannot be realized.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a novel corrosion-resistant temperature and pressure integrated sensor.
In order to achieve the above purpose, the utility model provides a novel corrosion-resistant temperature and pressure integrated sensor, which comprises a base, wherein one side of the inside of the base is provided with an oil filling hole in advance, silicone oil is filled into the inside of the base through the oil filling hole, a steel ball is arranged above the oil filling hole, the steel ball is used for sealing the oil filling hole by utilizing a welding technology, one side of the inside of the base far away from the oil filling hole is provided with a blind hole in advance, the blind hole is provided with a temperature resistor, pins of the temperature resistor are electrically connected with an integrated circuit board, the integrated circuit board is also provided with a guide pillar which is electrically connected with the guide pillar in a soldering mode, the part of the guide pillar, which is positioned inside the base, is provided with glass, the base is connected with the guide pillar by adopting a glass sintering technology, a pressure chip is bonded on the base, and the pressure chip is connected with the tail end of the guide pillar, which is positioned inside the silicone oil, through a set bridge wire, so as to form a complete signal transmission circuit.
Preferably, a wave-shaped diaphragm and a diaphragm protection ring are arranged below the base, the wave-shaped diaphragm, the diaphragm protection ring and the base are welded into a whole by laser, and a welding seam is formed by laser welding.
Preferably, the corrugated membrane and the base are made of stainless steel.
Preferably, the blind hole is internally filled with heat-conducting glue, and the temperature resistor is tightly wrapped by the heat-conducting glue.
Preferably, the integrated circuit board is provided with a debugging component, and the debugging component is electrically connected with the integrated circuit board.
Preferably, the guide posts are provided in a plurality, which are uniformly distributed on the circumference of the specified diameter of the base.
Preferably, a signal output end is further mounted on one side of the integrated circuit board far away from the temperature resistor, and the signal output end is electrically connected with the integrated circuit board.
Preferably, sealing rings for blocking the measured pressure medium from entering the rear circuit are respectively arranged on two sides of the base.
Preferably, the temperature resistor is a standard temperature resistor of PT100 or PT 1000.
Preferably, the integrated circuit board is disposed on an opposite side away from the corrugated diaphragm.
Compared with the prior art, the utility model has the beneficial effects that:
measurement pressure part: the sensor is installed at peripheral hardware customer end, and pressure medium can be blocked by the sealing washer, ensures that pressure medium can not take place to leak the risk. When the waveform diaphragm senses the pressure of the medium, micro deformation is generated, and the pressure is transmitted to the pressure chip through silicone oil in the base. After the pressure chip senses pressure, an original pressure signal is transmitted to the integrated circuit board through the bonding wire communication guide post, the original pressure signal is subjected to debugging compensation through a debugging component on the integrated circuit board, and is converted into a required stable pressure signal and is transmitted out through a signal output end; temperature measurement part: because the infiltration range of the pressure medium is below the liquid level line, the position where the temperature resistor is arranged is also below the liquid level line, and the blind hole is filled with the heat-conducting glue, the base and the temperature resistor are tightly combined together, and a good heat-conducting bridge is formed. At the moment, the temperature resistor is closer to the pressure medium, and the real-time performance and the accuracy are realized on the temperature detection of the pressure medium.
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 of the present utility model, it being apparent 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 the exercise of inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of an anti-corrosion temperature and pressure integrated sensor of the utility model.
Reference numerals illustrate:
1. a wave-shaped diaphragm; 2. a diaphragm guard ring; 3. welding seams; 4. a base; 5. a seal ring; 6. a liquid level line; 7. an oil filling hole; 8. a steel ball; 9. a signal output terminal; 10. bonding wires; 11. a pressure chip; 12. silicone oil; 13. a temperature resistor; 14. an integrated circuit board; 15. a debugging component; 16. a guide post; 17. glass; 18. a blind hole; 19. and (5) heat-conducting glue.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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 fall within the scope of the utility model.
The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The terms "upper," "lower," "left," "right," "front," "rear," "side," and the like in the description and claims of the utility model or in the above-described drawings are used for relative positional description with respect to the provided drawings and are not intended to describe a particular order of actual products.
Referring to fig. 1, the embodiment of the utility model provides a novel corrosion-resistant warm-pressing integrated sensor, which comprises a base 4, a waveform diaphragm 1 and a diaphragm protection ring 2 are arranged below the base 4, the waveform diaphragm 1, the diaphragm protection ring 2 and the base 4 are welded into a whole by using laser, a welding seam 3 is formed by laser welding, and further, the waveform diaphragm 1 and the base 4 are made of stainless steel. The two sides of the base 4 are each provided with a sealing ring 5 which blocks the measured pressure medium from entering the rear circuit.
An oil filling hole 7 is formed in one side of the inside of the base 4 in advance, silicone oil 12 is filled into the inside of the base 4 through the oil filling hole 7, a steel ball 8 is arranged above the oil filling hole 7, the oil filling hole 7 is sealed through the steel ball 8 by using a welding technology, and at the moment, a completely closed space is formed inside the base 4.
A blind hole 18 is pre-arranged on one side of the inner part of the base 4 far away from the oil filling hole 7, the blind hole 18 accommodates the temperature resistor 13, the inside of the blind hole 18 is filled with heat conducting glue 19, and the temperature resistor 13 is tightly wrapped by the heat conducting glue 19. Specifically, this temperature resistor 13 can include base 4, has seted up oil filler point 7 in advance in the inside one side of base 4, pours into the inside of base 4 with silicone oil 12 through oil filler point 7, and the top of oil filler point 7 is provided with steel ball 8, utilizes welding technique to seal steel ball 8 oil filler point 7, and the inside one side of base 4 that keeps away from oil filler point 7 is pre-opened blind hole 18, and blind hole 18 holds temperature resistor 13, and temperature resistor 13's pin electric connection has integrated circuit board 14, and integrated circuit board 14 sets up in keeping away from the opposite side of wave form diaphragm 1, still installs signal output part 9 on the integrated circuit board 14 side that keeps away from temperature resistor 13, signal output part 9 with integrated circuit board 13 electric connection installs debugging subassembly 15 on the integrated circuit board 13, debugging subassembly 15 and integrated circuit board 13 electric connection. The integrated circuit board 14 is also provided with a guide post and is electrically connected with the guide post 16 in a soldering manner, the part of the guide post 16 positioned in the base 4 is provided with glass 17, the base 4 and the guide post 16 are connected by adopting a glass 17 sintering technology, the technology has the advantages of corrosion resistance, high voltage resistance, high insulativity and the like, the pressure chip 11 is adhered on the base 4, and the pressure chip 11 is connected with the tail end of the guide post 16 positioned in the silicone oil 12 through the set bonding wire 10 to form a complete signal transmission bridge circuit; the guide posts 16 are provided in plurality and uniformly distributed on the circumference of the specified diameter of the base 4; the temperature resistor 13 is a standard temperature resistor of PT100 or PT 1000. .
The novel corrosion-resistant temperature and pressure integrated sensor provided by the utility model can be used for measuring the temperature and pressure of corrosive media, and has the following working principle:
measurement pressure part: the sensor is installed at peripheral hardware customer end, and pressure medium can be blocked by sealing washer 5, ensures that pressure medium can not take place to leak the risk. When the wave diaphragm 1 senses the pressure of the medium, micro deformation is generated, and the pressure is transmitted to the pressure chip 11 through the silicone oil 12 in the base 4. After the pressure chip 11 senses pressure, an original pressure signal is transmitted to the integrated circuit board 14 through the bonding wire 10 and the guide post 16, and is subjected to debugging compensation through the debugging component 15 on the integrated circuit board 14, converted into a required stable pressure signal and transmitted out through the signal output end 9.
Temperature measurement part: because the infiltration range of the pressure medium is below the liquid level line 6, the position where the temperature resistor 13 is arranged is also below the liquid level line 6, and the blind hole 18 is filled with the heat-conducting glue 19, the base 4 and the temperature resistor 13 are tightly combined together to form a good heat-conducting bridge. At this time, the temperature resistor 13 is closer to the pressure medium, and has real-time performance and accuracy for detecting the temperature of the pressure medium.
The foregoing is merely illustrative of the present utility model and is not to be construed as limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; all equivalent structures or equivalent flow changes made by the specification and the attached drawings of the utility model or directly or indirectly applied to other related technical fields are included in the protection scope of the utility model.
Claims (10)
1. A novel corrosion-resistant warm-pressing integrated sensor is characterized in that: the novel silicone oil filling device comprises a base, wherein an oil filling hole is formed in one side of the inside of the base in advance, silicone oil is filled into the inside of the base through the oil filling hole, a steel ball is arranged above the oil filling hole, the steel ball is used for sealing the oil filling hole, a blind hole is formed in one side of the inside of the base away from the oil filling hole in advance, a temperature resistor is contained in the blind hole, pins of the temperature resistor are electrically connected with an integrated circuit board, a guide pillar is further arranged on the integrated circuit board and electrically connected with the guide pillar in a soldering tin mode, a part of the guide pillar, which is located inside the base, is provided with glass, the base and the guide pillar are connected by adopting a glass sintering technology, a pressure chip is bonded on the base, and the pressure chip is located inside the silicone oil, and the tail end of the guide pillar is connected by a set bonding wire, so that a complete signal transmission bridge is formed.
2. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 1, wherein: the wave-shaped diaphragm and the diaphragm protection ring are arranged below the base, the wave-shaped diaphragm, the diaphragm protection ring and the base are welded into a whole by laser, and a welding seam is formed by laser welding.
3. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 2, wherein: the wave-shaped diaphragm and the base are made of stainless steel materials.
4. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 1, wherein: the inside of blind hole is filled with heat conduction glue, heat conduction glue will temperature resistance closely wraps up.
5. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 1, wherein: the integrated circuit board is provided with a debugging component, and the debugging component is electrically connected with the integrated circuit board.
6. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 5, wherein: the guide posts are arranged in a plurality of ways and are uniformly distributed on the circumference of the specified diameter of the base.
7. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 6, wherein: and a signal output end is further arranged on one side of the integrated circuit board far away from the temperature resistor, and the signal output end is electrically connected with the integrated circuit board.
8. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 1, wherein: and sealing rings for blocking the measured pressure medium from entering the rear circuit are respectively arranged on two sides of the base.
9. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 1, wherein: the temperature resistor adopts a standard temperature resistor of PT100 or PT 1000.
10. The novel corrosion-resistant temperature and pressure integrated sensor according to claim 3, wherein: the integrated circuit board is disposed on an opposite side away from the corrugated diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320353490.8U CN219301856U (en) | 2023-02-16 | 2023-02-16 | Novel corrosion-resistant temperature and pressure integrated sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320353490.8U CN219301856U (en) | 2023-02-16 | 2023-02-16 | Novel corrosion-resistant temperature and pressure integrated sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219301856U true CN219301856U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320353490.8U Active CN219301856U (en) | 2023-02-16 | 2023-02-16 | Novel corrosion-resistant temperature and pressure integrated sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219301856U (en) |
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2023
- 2023-02-16 CN CN202320353490.8U patent/CN219301856U/en active Active
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