CN117307841A - Perception structure integrated flange with parameter monitoring function - Google Patents
Perception structure integrated flange with parameter monitoring function Download PDFInfo
- Publication number
- CN117307841A CN117307841A CN202311208415.3A CN202311208415A CN117307841A CN 117307841 A CN117307841 A CN 117307841A CN 202311208415 A CN202311208415 A CN 202311208415A CN 117307841 A CN117307841 A CN 117307841A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- flange
- end cover
- sealing end
- monitoring function
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 230000006870 function Effects 0.000 title claims description 20
- 230000008447 perception Effects 0.000 title claims description 6
- 239000013307 optical fiber Substances 0.000 claims abstract description 65
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 239000010453 quartz Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 239000000835 fiber Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The application belongs to the field of aircraft electromechanical sensing, and particularly relates to a sensing structure integrated flange with a parameter monitoring function. Comprising the following steps: the flange main body is provided with a central flow passage, and the side wall of the flange main body is provided with a mounting groove and a mounting through hole; the outer side of the optical fiber pressure sensor is sleeved with a first protective sleeve, the optical fiber pressure sensor is arranged in the mounting groove, and a notch of the mounting groove is provided with a first sealing end cover; one end of the first connecting wire is connected with the optical fiber pressure sensor, and the other end of the first connecting wire penetrates through the first sealing end cover to be connected with the measurement and control system; the outer side of the optical fiber temperature flow sensor is sleeved with a second protective sleeve, the optical fiber temperature flow sensor is installed in an installation through hole, and a second sealing end cover and a third sealing end cover are respectively installed at two ends of the installation through hole; one end of the second connecting wire is connected with the optical fiber temperature flow sensor, and the other end of the second connecting wire passes through the second sealing end cover or the third sealing end cover to be connected with the measurement and control system. The integrated flange can monitor thermal parameters such as temperature, pressure, flow and the like.
Description
Technical Field
The application belongs to the field of aircraft electromechanical sensing, and particularly relates to a sensing structure integrated flange with a parameter monitoring function.
Background
With the development of aviation technology, the problems of energy supply and heat dissipation are increasingly remarkable, the complexity of an aviation electromechanical system is continuously improved, fault diagnosis, health management, optionally maintenance and intelligent comprehensive control of high-reliability electromechanical equipment become hot spots of current research, and one of the bases for realizing the functions is real-time monitoring of the electromechanical equipment.
The conventional electrical sensor has complicated wiring in practical engineering application, complex packaging protection in a complex environment, and can influence the characteristics of the electromechanical component due to excessive signal transmission lines and excessive packaging structure volume.
It is therefore desirable to have a solution that overcomes or at least alleviates at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The purpose of the application is to provide a perception structure integrated flange with a parameter monitoring function, so as to solve at least one problem existing in the prior art.
The technical scheme of the application is as follows:
a perception structure integrated flange with parameter monitoring function, comprising:
the flange main body is provided with a central flow passage, the side wall of the flange main body is provided with a mounting groove and a mounting through hole, the mounting groove is communicated with the central flow passage, and the mounting through hole penetrates through the center of the central flow passage;
the optical fiber pressure sensor is sleeved with a first protective sleeve outside the optical fiber pressure sensor, the optical fiber pressure sensor is arranged in the mounting groove, and a notch of the mounting groove is provided with a first sealing end cover;
one end of the first connecting wire is connected with the optical fiber pressure sensor, and the other end of the first connecting wire penetrates through the first sealing end cover to be connected with a measurement and control system;
the optical fiber temperature flow sensor is sleeved with a second protective sleeve at the outer side of the optical fiber temperature flow sensor, the optical fiber temperature flow sensor is installed in the installation through hole, and a second sealing end cover and a third sealing end cover are respectively installed at two ends of the installation through hole;
and one end of the second connecting wire is connected with the optical fiber temperature and flow sensor, and the other end of the second connecting wire penetrates through the second sealing end cover or the third sealing end cover to be connected with the measurement and control system.
In at least one embodiment of the present application, the flange body has a regular hexagonal cross section.
In at least one embodiment of the present application, the wall surface of the central flow channel of the flange body is provided with an internal thread for connection with a pipe provided with an external thread.
In at least one embodiment of the present application, the first protection sleeve and the second protection sleeve are made of beryllium bronze.
In at least one embodiment of the present application, one end of the first protection sleeve is provided with a concave structure, one end of the first sealing end cover is provided with a convex structure, and the first protection sleeve is in fit connection with the first sealing end cover.
In at least one embodiment of the present application, the fiber optic pressure sensor includes an incident optical fiber, a reflective optical fiber, and a capillary quartz tube, the incident optical fiber and the reflective optical fiber are encapsulated inside the capillary quartz tube to form an FP cavity, and pressure is measured by a change in a cavity length of the FP cavity.
In at least one embodiment of the present application, the fiber temperature and flow sensor includes a temperature sensing fiber grating unit and a flow sensing fiber grating unit mounted on a core rod, the temperature is measured by a wavelength variation of the temperature sensing fiber grating unit, and the flow is measured by a wavelength variation of the flow sensing fiber grating unit.
The invention has at least the following beneficial technical effects:
the sensing structure integrated flange with the parameter monitoring function can realize light-weight monitoring of thermal parameters such as temperature, pressure, flow and the like; by tightly combining the optical fiber sensor with the flange structure of the common electromechanical component, the monitoring signal is not affected by electromagnetic interference, the influence on the state of fluid is small, and the reliability is high; the flange and the sensing structure are integrated, and the installation difficulty in practical application is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a sensing structure integrated flange with a parameter monitoring function according to an embodiment of the present application.
Wherein:
1-a flange body; 2-an optical fiber pressure sensor; 21-a first protective sleeve; 22-a first seal end cap; 23-a first connection line; 3-an optical fiber temperature flow sensor; 31-a second protective sleeve; 32-a second seal end cap; 33-a third seal cap; 34-a second connection line.
Detailed Description
In order to make the purposes, technical solutions and advantages of the implementation of the present application more clear, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Embodiments of the present application are described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify 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 scope of protection of the present application.
The present application is described in further detail below in conjunction with fig. 1.
The application provides a perception structure integration flange that possesses parameter monitoring function includes: flange main body 1, optical fiber pressure sensor 2 and optical fiber temperature flow sensor 3.
Specifically, as shown in fig. 1, the cross section of the flange main body 1 is regular hexagon, the flange main body 1 is provided with a central flow channel, the side wall of the flange main body 1 is provided with a mounting groove and a mounting through hole, wherein the mounting groove is communicated with the central flow channel through an upper opening of a groove wall, the mounting through hole penetrates through two side walls of the flange main body 1 which are oppositely arranged, and the mounting through hole penetrates through the center of the central flow channel.
The outside cover of the optical fiber pressure sensor 2 is provided with a first protective sleeve 21, the optical fiber pressure sensor 2 is arranged in the mounting groove of the flange main body 1, the notch of the mounting groove is plugged through the cooperation of a first sealing end cover 22 and the side wall of the flange main body 1, a through hole is formed in the first sealing end cover 22, one end of a first connecting wire 23 is connected with the optical fiber pressure sensor 2 in the mounting groove, and the other end of the first connecting wire 23 passes through the through hole in the first sealing end cover 22 and then is connected with a measurement and control system, so that a sensing signal is transmitted to the measurement and control system.
The second protective sleeve 31 is sleeved outside the optical fiber temperature flow sensor 3, the optical fiber temperature flow sensor 3 is installed in an installation through hole of the flange main body 1, two ends of the installation through hole are plugged by matching the second sealing end cover 32 and the third sealing end cover 33 with the side wall of the flange main body 1, and a through hole is formed in the second sealing end cover 32 or the third sealing end cover 33; one end of the second connecting wire 34 is connected with the optical fiber temperature flow sensor 3 in the installation through hole, and the other end of the second connecting wire passes through the through hole on the second sealing end cover 32 or the third sealing end cover 33 and then is connected with the measurement and control system, so that a sensing signal is transmitted to the measurement and control system.
In a preferred embodiment of the present application, the central flow channel wall of the flange body 1 is provided with an internal thread for connection with a pipe provided with an external thread. The integrated flange may be used for connection between electromechanical components, for example for connection between pipes, or for connection between a pipe and a fuel pump.
In the preferred embodiment of the present application, the fiber optic pressure sensor 2 and the fiber optic temperature flow sensor 3 are protected by a protective sleeve while fluid pressure, temperature, flow are transmitted to the sensor. In this embodiment, the first protection sleeve 21 and the second protection sleeve 31 are preferably made of beryllium bronze.
In the preferred embodiment of the present application, one end of the first protection sleeve 21 is provided with a concave structure, one end of the first seal end cap 22 is provided with a convex structure, and the first protection sleeve 21 is in fit connection with the first seal end cap 22.
The sensing structure integrated flange with the parameter monitoring function comprises an incidence optical fiber, a reflection optical fiber and a capillary quartz tube, wherein the incidence optical fiber and the reflection optical fiber are packaged inside the capillary quartz tube to form an FP cavity, and pressure is measured through cavity length change of the FP cavity. The optical fiber temperature and flow sensor 3 comprises a temperature sensing optical fiber grating unit and a flow sensing optical fiber grating unit which are arranged on the core rod, wherein the temperature is measured through the wavelength change of the temperature sensing optical fiber grating unit, and the flow is measured through the wavelength change of the flow sensing optical fiber grating unit.
In one embodiment of the present application, the central flow channel wall of the integrated flange is axially threaded, and the pump outlet and the pipeline are connected to two ends of the integrated flange, respectively. The optical fiber pressure sensor 2 encapsulates the incident optical fiber and the reflecting optical fiber inside the capillary quartz tube to form an FP cavity, and pressure is measured through cavity length change. The optical fiber temperature and flow sensor 3 measures the temperature and flow of the fluid simultaneously through the wavelength change of two optical fiber gratings arranged on the core rod, and monitors the thermodynamic state parameters of the fluid pumped out. The test results are shown in the following table, and the measurement range, sensitivity and precision can meet the actual application requirements.
TABLE 1
The sensing structure integrated flange with the parameter monitoring function has the advantages of small size, light weight, electromagnetic interference resistance, high precision, high reliability and the like compared with an electric sensor, and meanwhile, a plurality of optical fiber sensors aiming at different parameters can be arranged on a single optical fiber, so that the problem of complex cable arrangement is solved. The optical fiber sensor is easy to embed into the structure of the electromechanical component due to the characteristics of small volume, electric insulation and the like, the complexity of installation is reduced, and the volume is further reduced.
The sensing structure integrated flange with the parameter monitoring function can realize light-weight monitoring of thermal parameters such as temperature, pressure, flow and the like; by tightly combining the optical fiber sensor with the flange structure of the common electromechanical component, the monitoring signal is not affected by electromagnetic interference, the influence on the state of fluid is small, and the reliability is high; the flange and the sensing structure are integrated, and the installation difficulty in practical application is reduced.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a perception structure integration flange that possesses parameter monitoring function which characterized in that includes:
the flange comprises a flange main body (1), wherein the flange main body (1) is provided with a central flow passage, the side wall of the flange main body (1) is provided with a mounting groove and a mounting through hole, the mounting groove is communicated with the central flow passage, and the mounting through hole penetrates through the center of the central flow passage;
the optical fiber pressure sensor (2) is sleeved with a first protective sleeve (21) at the outer side of the optical fiber pressure sensor (2), the optical fiber pressure sensor (2) is installed in the installation groove, and a first sealing end cover (22) is installed at the notch of the installation groove;
one end of the first connecting wire (23) is connected with the optical fiber pressure sensor (2), and the other end of the first connecting wire passes through the first sealing end cover (22) to be connected with a measurement and control system;
the optical fiber temperature flow sensor (3), a second protection sleeve (31) is sleeved outside the optical fiber temperature flow sensor (3), the optical fiber temperature flow sensor (3) is installed in the installation through hole, and a second sealing end cover (32) and a third sealing end cover (33) are respectively installed at two ends of the installation through hole;
and one end of the second connecting wire (34) is connected with the optical fiber temperature flow sensor (3), and the other end of the second connecting wire passes through the second sealing end cover (32) or the third sealing end cover (33) to be connected with a measurement and control system.
2. The sensing structure integrated flange with the parameter monitoring function according to claim 1, wherein the cross section of the flange main body (1) is regular hexagon.
3. The sensing structure integrated flange with the parameter monitoring function according to claim 1, wherein the wall surface of the central flow passage of the flange main body (1) is provided with internal threads for being connected with a pipe fitting provided with external threads.
4. The sensing structure integrated flange with the parameter monitoring function according to claim 1, wherein the first protection sleeve (21) and the second protection sleeve (31) are made of beryllium bronze.
5. The sensing structure integrated flange with the parameter monitoring function according to claim 1, wherein a concave structure is arranged at one end of the first protection sleeve (21), a convex structure is arranged at one end of the first sealing end cover (22), and the first protection sleeve (21) is matched and spliced with the first sealing end cover (22).
6. The sensing structure integrated flange with the parameter monitoring function according to claim 1, wherein the optical fiber pressure sensor (2) comprises an incident optical fiber, a reflecting optical fiber and a capillary quartz tube, the incident optical fiber and the reflecting optical fiber are packaged in the capillary quartz tube to form an FP cavity, and pressure is measured through cavity length change of the FP cavity.
7. The sensing structure integrated flange with the parameter monitoring function according to claim 1, wherein the optical fiber temperature and flow sensor (3) comprises a temperature sensing optical fiber grating unit and a flow sensing optical fiber grating unit which are arranged on a core rod, the temperature is measured through the wavelength change of the temperature sensing optical fiber grating unit, and the flow is measured through the wavelength change of the flow sensing optical fiber grating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311208415.3A CN117307841A (en) | 2023-09-19 | 2023-09-19 | Perception structure integrated flange with parameter monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311208415.3A CN117307841A (en) | 2023-09-19 | 2023-09-19 | Perception structure integrated flange with parameter monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117307841A true CN117307841A (en) | 2023-12-29 |
Family
ID=89280371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311208415.3A Pending CN117307841A (en) | 2023-09-19 | 2023-09-19 | Perception structure integrated flange with parameter monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117307841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117760499A (en) * | 2024-01-02 | 2024-03-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Real-time accurate forecasting system and method for whole flood driving process of data in middle and small watershed |
-
2023
- 2023-09-19 CN CN202311208415.3A patent/CN117307841A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117760499A (en) * | 2024-01-02 | 2024-03-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Real-time accurate forecasting system and method for whole flood driving process of data in middle and small watershed |
| CN117760499B (en) * | 2024-01-02 | 2024-06-11 | 水利部交通运输部国家能源局南京水利科学研究院 | Real-time accurate forecasting system and method for whole process of flood in middle and small river basins |
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